[git.ipfire.org] IPFire 2.x development tree branch, thirteen, updated. b21b0df6a666936b48592aa825fe1950d32ff21a
by git＠ipfire.org 11 Nov '12
by git＠ipfire.org 11 Nov '12
11 Nov '12
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- Log -----------------------------------------------------------------
commit b21b0df6a666936b48592aa825fe1950d32ff21a
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 23:28:52 2012 +0100
Import bash startfiles from IPFire 3.x.
commit ee11bc4e123fcf5ea1c808e6be5b9489e4ba2474
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 23:03:37 2012 +0100
collectd: Update rootfile.
commit 444b9419e23a4dbf8891b3ba9773dc43995a47bc
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 23:02:03 2012 +0100
acpid: Add initscript for acpi daemon.
-----------------------------------------------------------------------
Summary of changes:
config/bash/dot_bash_logout | 7 ++
config/bash/dot_bash_profile | 12 +++
config/bash/dot_bashrc | 12 +++
config/etc/bashrc | 116 +++++++++++++++++-------
config/etc/inputrc | 56 ++++++------
config/etc/profile | 112 +++++++++++++----------
config/profile.d/colorls.sh | 40 ++++++++
config/profile.d/dircolors.sh | 9 --
config/profile.d/extrapaths.sh | 15 ---
config/profile.d/i18n.sh | 10 ++-
config/profile.d/lang.sh | 90 ++++++++++++++++++
config/profile.d/term256.sh | 26 ++++++
config/rootfiles/common/collectd | 68 ++++++++++++++-
config/rootfiles/common/coreutils | 2 +-
config/rootfiles/common/i586/initscripts | 2 +
config/rootfiles/common/stage2 | 9 ++-
lfs/coreutils | 2 +-
lfs/initscripts | 5 +-
lfs/stage2 | 6 +-
src/initscripts/init.d/{transmission => acpid} | 31 ++++---
20 files changed, 470 insertions(+), 160 deletions(-)
create mode 100644 config/bash/dot_bash_logout
create mode 100644 config/bash/dot_bash_profile
create mode 100644 config/bash/dot_bashrc
create mode 100644 config/profile.d/colorls.sh
delete mode 100644 config/profile.d/dircolors.sh
delete mode 100644 config/profile.d/extrapaths.sh
create mode 100644 config/profile.d/lang.sh
create mode 100644 config/profile.d/term256.sh
copy src/initscripts/init.d/{transmission => acpid} (50%)
Difference in files:
diff --git a/config/bash/dot_bash_logout b/config/bash/dot_bash_logout
new file mode 100644
index 0000000..3762d94
--- /dev/null
+++ b/config/bash/dot_bash_logout
@@ -0,0 +1,7 @@
+# Begin ~/.bash_logout
+
+# Personal items to perform on logout.
+
+echo "Bye bye."
+
+# End ~/.bash_logout
diff --git a/config/bash/dot_bash_profile b/config/bash/dot_bash_profile
new file mode 100644
index 0000000..3dc099a
--- /dev/null
+++ b/config/bash/dot_bash_profile
@@ -0,0 +1,12 @@
+# .bash_profile
+
+# Get the aliases and functions
+if [ -f ~/.bashrc ]; then
+ . ~/.bashrc
+fi
+
+# User specific environment and startup programs
+
+PATH=$PATH:$HOME/bin
+
+export PATH
diff --git a/config/bash/dot_bashrc b/config/bash/dot_bashrc
new file mode 100644
index 0000000..6e6d1e1
--- /dev/null
+++ b/config/bash/dot_bashrc
@@ -0,0 +1,12 @@
+# .bashrc
+
+# User specific aliases and functions
+
+alias rm='rm -i'
+alias cp='cp -i'
+alias mv='mv -i'
+
+# Source global definitions
+if [ -f /etc/bashrc ]; then
+ . /etc/bashrc
+fi
diff --git a/config/etc/bashrc b/config/etc/bashrc
index fb0c31e..901f5d5 100644
--- a/config/etc/bashrc
+++ b/config/etc/bashrc
@@ -1,41 +1,89 @@
-# Begin /etc/bashrc
-# Written for Beyond Linux From Scratch
-# by James Robertson <jameswrobertson(a)earthlink.net>
-# updated by Bruce Dubbs <bdubbs(a)linuxfromscratch.org>
+# /etc/bashrc
-# Make sure that the terminal is set up properly for each shell
+# System wide functions and aliases
+# Environment stuff goes in /etc/profile
-if [ -f /etc/profile.d/tinker-term.sh ]; then
- source /etc/profile.d/tinker-term.sh
-fi
-
-# System wide aliases and functions.
-
-# System wide environment variables and startup programs should go into
-# /etc/profile. Personal environment variables and startup programs
-# should go into ~/.bash_profile. Personal aliases and functions should
-# go into ~/.bashrc
+# It's NOT a good idea to change this file unless you know what you
+# are doing. It's much better to create a custom.sh shell script in
+# /etc/profile.d/ to make custom changes to your environment, as this
+# will prevent the need for merging in future updates.
-# Provides a colored /bin/ls command. Used in conjunction with code in
-# /etc/profile.
-
-alias ls='ls --color=auto'
-alias ll='ls -la'
-alias which='alias | /usr/bin/which --tty-only --read-alias --show-dot --show-tilde'
+# are we an interactive shell?
+if [ "$PS1" ]; then
+ if [ -z "$PROMPT_COMMAND" ]; then
+ case $TERM in
+ xterm*)
+ if [ -e /etc/sysconfig/bash-prompt-xterm ]; then
+ PROMPT_COMMAND=/etc/sysconfig/bash-prompt-xterm
+ else
+ PROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}"'
+ fi
+ ;;
+ screen)
+ if [ -e /etc/sysconfig/bash-prompt-screen ]; then
+ PROMPT_COMMAND=/etc/sysconfig/bash-prompt-screen
+ else
+ PROMPT_COMMAND='printf "\033]0;%s@%s:%s\033\\" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}"'
+ fi
+ ;;
+ *)
+ [ -e /etc/sysconfig/bash-prompt-default ] && PROMPT_COMMAND=/etc/sysconfig/bash-prompt-default
+ ;;
+ esac
+ fi
+ # Turn on parallel history
+ shopt -s histappend
+ history -a
+ # Turn on checkwinsize
+ shopt -s checkwinsize
+ [ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@\h \W]\\$ "
+ # You might want to have e.g. tty in prompt (e.g. more virtual machines)
+ # and console windows
+ # If you want to do so, just add e.g.
+ # if [ "$PS1" ]; then
+ # PS1="[\u@\h:\l \W]\\$ "
+ # fi
+ # to your custom modification shell script in /etc/profile.d/ directory
+fi
-# Make the shell a little bit more interactive
-# to prevent the deletion of some files
-alias mv='mv -i'
-alias rm='rm -i'
-alias cp='cp -i'
+if ! shopt -q login_shell ; then # We're not a login shell
+ # Need to redefine pathmunge, it get's undefined at the end of /etc/profile
+ pathmunge () {
+ case ":${PATH}:" in
+ *:"$1":*)
+ ;;
+ *)
+ if [ "$2" = "after" ] ; then
+ PATH=$PATH:$1
+ else
+ PATH=$1:$PATH
+ fi
+ esac
+ }
-# Provides prompt for non-login shells, specifically shells started
-# in the X environment. [Review the LFS archive thread titled
-# PS1 Environment Variable for a great case study behind this script
-# addendum.]
+ # By default, we want umask to get set. This sets it for non-login shell.
+ # Current threshold for system reserved uid/gids is 200
+ # You could check uidgid reservation validity in
+ # /usr/share/doc/setup-*/uidgid file
+ if [ $UID -gt 199 ] && [ "`id -gn`" = "`id -un`" ]; then
+ umask 002
+ else
+ umask 022
+ fi
-#export PS1="\033[0m[\033[1;33m\u\033[1;37m@\033[1;32m\]\h \033[1;31m\w\033[0m]\\$ "
-export PS1="[\u@\h \w]\\$ "
-#export PS1='\u@\h:\w\$ '
+ # Only display echos from profile.d scripts if we are no login shell
+ # and interactive - otherwise just process them to set envvars
+ for i in /etc/profile.d/*.sh; do
+ if [ -r "$i" ]; then
+ if [ "$PS1" ]; then
+ . "$i"
+ else
+ . "$i" >/dev/null
+ fi
+ fi
+ done
-# End /etc/bashrc
+ unset i
+ unset -f pathmunge
+fi
+# vim:ts=4:sw=4
diff --git a/config/etc/inputrc b/config/etc/inputrc
index 7a7908c..883686c 100644
--- a/config/etc/inputrc
+++ b/config/etc/inputrc
@@ -1,42 +1,42 @@
-# Begin /etc/inputrc
+# do not bell on tab-completion
+#set bell-style none
-# Allow the command prompt to wrap to the next line
-set horizontal-scroll-mode Off
+set meta-flag on
+set input-meta on
+set convert-meta off
+set output-meta on
-# Enable 8bit input
-set meta-flag On
-set input-meta On
+# Completed names which are symbolic links to
+# directories have a slash appended.
+set mark-symlinked-directories on
-# Turns off 8th bit stripping
-set convert-meta Off
+$if mode=emacs
-# Keep the 8th bit for display
-set output-meta On
-
-# none, visible or audible
-set bell-style none
-
-# All of the following map the escape sequence of the
-# value contained inside the 1st argument to the
-# readline specific functions
-
-"\eOd": backward-word
-"\eOc": forward-word
-
-# for linux console
+# for linux console and RH/Debian xterm
"\e[1~": beginning-of-line
"\e[4~": end-of-line
-"\e[5~": beginning-of-history
-"\e[6~": end-of-history
+# commented out keymappings for pgup/pgdown to reach begin/end of history
+#"\e[5~": beginning-of-history
+#"\e[6~": end-of-history
+"\e[5~": history-search-backward
+"\e[6~": history-search-forward
"\e[3~": delete-char
"\e[2~": quoted-insert
+"\e[5C": forward-word
+"\e[5D": backward-word
+"\e[1;5C": forward-word
+"\e[1;5D": backward-word
-# for xterm
+# for rxvt
+"\e[8~": end-of-line
+"\eOc": forward-word
+"\eOd": backward-word
+
+# for non RH/Debian xterm, can't hurt for RH/DEbian xterm
"\eOH": beginning-of-line
"\eOF": end-of-line
-# for Konsole
+# for freebsd console
"\e[H": beginning-of-line
"\e[F": end-of-line
-
-# End /etc/inputrc
+$endif
diff --git a/config/etc/profile b/config/etc/profile
index 3c29219..cc63878 100644
--- a/config/etc/profile
+++ b/config/etc/profile
@@ -1,64 +1,76 @@
-# Begin /etc/profile
-# Written for Beyond Linux From Scratch
-# by James Robertson <jameswrobertson(a)earthlink.net>
-# modifications by Dagmar d'Surreal <rivyqntzne(a)pbzpnfg.arg>
+# /etc/profile
-# System wide environment variables and startup programs.
+# System wide environment and startup programs, for login setup
+# Functions and aliases go in /etc/bashrc
-# System wide aliases and functions should go in /etc/bashrc. Personal
-# environment variables and startup programs should go into
-# ~/.bash_profile. Personal aliases and functions should go into
-# ~/.bashrc.
+# It's NOT a good idea to change this file unless you know what you
+# are doing. It's much better to create a custom.sh shell script in
+# /etc/profile.d/ to make custom changes to your environment, as this
+# will prevent the need for merging in future updates.
-# Functions to help us manage paths. Second argument is the name of the
-# path variable to be modified (default: PATH)
-pathremove () {
- local IFS=':'
- local NEWPATH
- local DIR
- local PATHVARIABLE=${2:-PATH}
- for DIR in ${!PATHVARIABLE} ; do
- if [ "$DIR" != "$1" ] ; then
- NEWPATH=${NEWPATH:+$NEWPATH:}$DIR
- fi
- done
- export $PATHVARIABLE="$NEWPATH"
+pathmunge () {
+ case ":${PATH}:" in
+ *:"$1":*)
+ ;;
+ *)
+ if [ "$2" = "after" ] ; then
+ PATH=$PATH:$1
+ else
+ PATH=$1:$PATH
+ fi
+ esac
}
-pathprepend () {
- pathremove $1 $2
- local PATHVARIABLE=${2:-PATH}
- export $PATHVARIABLE="$1${!PATHVARIABLE:+:${!PATHVARIABLE}}"
-}
-
-pathappend () {
- pathremove $1 $2
- local PATHVARIABLE=${2:-PATH}
- export $PATHVARIABLE="${!PATHVARIABLE:+${!PATHVARIABLE}:}$1"
-}
+if [ -x /usr/bin/id ]; then
+ if [ -z "$EUID" ]; then
+ # ksh workaround
+ EUID=`id -u`
+ UID=`id -ru`
+ fi
+ USER="`id -un`"
+ LOGNAME=$USER
+ MAIL="/var/spool/mail/$USER"
+fi
-# Set the initial path
-export PATH=/bin:/usr/bin
+# Path manipulation
+if [ "$EUID" = "0" ]; then
+ pathmunge /usr/sbin
+ pathmunge /usr/local/sbin
+else
+ pathmunge /usr/local/sbin after
+ pathmunge /usr/sbin after
+fi
-if [ $EUID -eq 0 ] ; then
- pathappend /sbin:/usr/sbin
- unset HISTFILE
+HOSTNAME=`/usr/bin/hostname 2>/dev/null`
+HISTSIZE=1000
+if [ "$HISTCONTROL" = "ignorespace" ] ; then
+ export HISTCONTROL=ignoreboth
+else
+ export HISTCONTROL=ignoredups
fi
-# Setup some environment variables.
-export HISTSIZE=1000
-export HISTIGNORE="&:[bf]g:exit"
-export PS1="[\u@\h \w]\\$ "
-#export PS1='\u@\h:\w\$ '
+export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL
+
+# By default, we want umask to get set. This sets it for login shell
+# Current threshold for system reserved uid/gids is 200
+# You could check uidgid reservation validity in
+# /usr/share/doc/setup-*/uidgid file
+if [ $UID -gt 199 ] && [ "`id -gn`" = "`id -un`" ]; then
+ umask 002
+else
+ umask 022
+fi
-for script in /etc/profile.d/*.sh ; do
- if [ -r $script ] ; then
- . $script
+for i in /etc/profile.d/*.sh ; do
+ if [ -r "$i" ]; then
+ if [ "${-#*i}" != "$-" ]; then
+ . "$i"
+ else
+ . "$i" >/dev/null 2>&1
fi
+ fi
done
-# Now to clean up
-unset pathremove pathprepend pathappend
-
-# End /etc/profile
+unset i
+unset pathmunge
diff --git a/config/profile.d/colorls.sh b/config/profile.d/colorls.sh
new file mode 100644
index 0000000..dc5c223
--- /dev/null
+++ b/config/profile.d/colorls.sh
@@ -0,0 +1,40 @@
+# color-ls initialization
+
+#when USER_LS_COLORS defined do not override user LS_COLORS, but use them.
+if [ -z "$USER_LS_COLORS" ]; then
+
+ alias ll='ls -l' 2>/dev/null
+ alias l.='ls -d .*' 2>/dev/null
+
+
+ # Skip the rest for noninteractive shells.
+ [ -z "$PS1" ] && return
+
+ COLORS=
+
+ for colors in "$HOME/.dir_colors.$TERM" "$HOME/.dircolors.$TERM" \
+ "$HOME/.dir_colors" "$HOME/.dircolors"; do
+ [ -e "$colors" ] && COLORS="$colors" && break
+ done
+
+ [ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.256color" ] && \
+ [ "x`tty -s && tput colors 2>/dev/null`" = "x256" ] && \
+ COLORS="/etc/DIR_COLORS.256color"
+
+ if [ -z "$COLORS" ]; then
+ for colors in "/etc/DIR_COLORS.$TERM" "/etc/DIR_COLORS" ; do
+ [ -e "$colors" ] && COLORS="$colors" && break
+ done
+ fi
+
+ # Existence of $COLORS already checked above.
+ [ -n "$COLORS" ] || return
+
+ eval "`dircolors --sh "$COLORS" 2>/dev/null`"
+ [ -z "$LS_COLORS" ] && return
+ grep -qi "^COLOR.*none" $COLORS >/dev/null 2>/dev/null && return
+fi
+
+alias ll='ls -l --color=auto' 2>/dev/null
+alias l.='ls -d .* --color=auto' 2>/dev/null
+alias ls='ls --color=auto' 2>/dev/null
diff --git a/config/profile.d/dircolors.sh b/config/profile.d/dircolors.sh
deleted file mode 100644
index 873d91b..0000000
--- a/config/profile.d/dircolors.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-# Setup for /bin/ls to support color, the alias is in /etc/bashrc.
-if [ -f "/etc/dircolors" ] ; then
- eval $(dircolors -b /etc/dircolors)
-
- if [ -f "$HOME/.dircolors" ] ; then
- eval $(dircolors -b $HOME/.dircolors)
- fi
-fi
-alias ls='ls --color=auto'
diff --git a/config/profile.d/extrapaths.sh b/config/profile.d/extrapaths.sh
deleted file mode 100644
index bb8f720..0000000
--- a/config/profile.d/extrapaths.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-if [ -d /usr/local/bin ]; then
- pathprepend /usr/local/bin
-fi
-if [ -d /usr/local/sbin -a $EUID -eq 0 ]; then
- pathprepend /usr/local/sbin
-fi
-for directory in $(find /opt/*/bin -type d 2>/dev/null); do
- pathappend $directory
-done
-if [ -d ~/bin ]; then
- pathprepend ~/bin
-fi
-#if [ $EUID -gt 99 ]; then
-# pathappend .
-#fi
diff --git a/config/profile.d/i18n.sh b/config/profile.d/i18n.sh
index ac68d67..2f66e89 100644
--- a/config/profile.d/i18n.sh
+++ b/config/profile.d/i18n.sh
@@ -1,2 +1,10 @@
# Set up i18n variables
-export LANG=en_US.utf8
+
+if [ -f "/etc/sysconfig/console" ]; then
+ . /etc/sysconfig/console
+else
+ LANG=en_US.UTF-8
+fi
+
+unset KEYMAP FONT UNICODE KEYMAP_CORRECTIONS LEGACY_CHARSET
+export LANG
diff --git a/config/profile.d/lang.sh b/config/profile.d/lang.sh
new file mode 100644
index 0000000..5be62ad
--- /dev/null
+++ b/config/profile.d/lang.sh
@@ -0,0 +1,90 @@
+# /etc/profile.d/lang.sh - set i18n stuff
+
+sourced=0
+
+if [ -n "$LANG" ]; then
+ saved_lang="$LANG"
+ [ -f "$HOME/.i18n" ] && . "$HOME/.i18n" && sourced=1
+ LANG="$saved_lang"
+ unset saved_lang
+else
+ for langfile in /etc/sysconfig/i18n "$HOME/.i18n" ; do
+ [ -f $langfile ] && . $langfile && sourced=1
+ done
+fi
+
+if [ "$sourced" = 1 ]; then
+ [ -n "$LANG" ] && export LANG || unset LANG
+ [ -n "$LC_ADDRESS" ] && export LC_ADDRESS || unset LC_ADDRESS
+ [ -n "$LC_CTYPE" ] && export LC_CTYPE || unset LC_CTYPE
+ [ -n "$LC_COLLATE" ] && export LC_COLLATE || unset LC_COLLATE
+ [ -n "$LC_IDENTIFICATION" ] && export LC_IDENTIFICATION || unset LC_IDENTIFICATION
+ [ -n "$LC_MEASUREMENT" ] && export LC_MEASUREMENT || unset LC_MEASUREMENT
+ [ -n "$LC_MESSAGES" ] && export LC_MESSAGES || unset LC_MESSAGES
+ [ -n "$LC_MONETARY" ] && export LC_MONETARY || unset LC_MONETARY
+ [ -n "$LC_NAME" ] && export LC_NAME || unset LC_NAME
+ [ -n "$LC_NUMERIC" ] && export LC_NUMERIC || unset LC_NUMERIC
+ [ -n "$LC_PAPER" ] && export LC_PAPER || unset LC_PAPER
+ [ -n "$LC_TELEPHONE" ] && export LC_TELEPHONE || unset LC_TELEPHONE
+ [ -n "$LC_TIME" ] && export LC_TIME || unset LC_TIME
+ if [ -n "$LC_ALL" ]; then
+ if [ "$LC_ALL" != "$LANG" ]; then
+ export LC_ALL
+ else
+ unset LC_ALL
+ fi
+ else
+ unset LC_ALL
+ fi
+ [ -n "$LANGUAGE" ] && export LANGUAGE || unset LANGUAGE
+ [ -n "$LINGUAS" ] && export LINGUAS || unset LINGUAS
+ [ -n "$_XKB_CHARSET" ] && export _XKB_CHARSET || unset _XKB_CHARSET
+
+ consoletype=$CONSOLETYPE
+ if [ -z "$consoletype" ]; then
+ consoletype=$(/sbin/consoletype stdout)
+ fi
+
+ if [ -n "$LANG" ]; then
+ case $LANG in
+ *.utf8*|*.UTF-8*)
+ if [ "$TERM" = "linux" ]; then
+ if [ "$consoletype" = "vt" ]; then
+ case $LANG in
+ ja*) LANG=en_US.UTF-8 ;;
+ ko*) LANG=en_US.UTF-8 ;;
+ si*) LANG=en_US.UTF-8 ;;
+ zh*) LANG=en_US.UTF-8 ;;
+ ar*) LANG=en_US.UTF-8 ;;
+ fa*) LANG=en_US.UTF-8 ;;
+ he*) LANG=en_US.UTF-8 ;;
+ en_IN*) ;;
+ *_IN*) LANG=en_US.UTF-8 ;;
+ esac
+ fi
+ fi
+ ;;
+ *)
+ if [ "$TERM" = "linux" ]; then
+ if [ "$consoletype" = "vt" ]; then
+ case $LANG in
+ ja*) LANG=en_US ;;
+ ko*) LANG=en_US ;;
+ si*) LANG=en_US ;;
+ zh*) LANG=en_US ;;
+ ar*) LANG=en_US ;;
+ fa*) LANG=en_US ;;
+ he*) LANG=en_US ;;
+ en_IN*) ;;
+ *_IN*) LANG=en_US ;;
+ esac
+ fi
+ fi
+ ;;
+ esac
+ fi
+
+ unset SYSFONTACM SYSFONT consoletype
+fi
+unset sourced
+unset langfile
diff --git a/config/profile.d/term256.sh b/config/profile.d/term256.sh
new file mode 100644
index 0000000..546f67b
--- /dev/null
+++ b/config/profile.d/term256.sh
@@ -0,0 +1,26 @@
+# Enable 256 color capabilities for appropriate terminals
+
+# Set this variable in your local shell config (such as ~/.bashrc)
+# if you want remote xterms connecting to this system, to be sent 256 colors.
+# This must be set before reading global initialization such as /etc/bashrc.
+# SEND_256_COLORS_TO_REMOTE=1
+
+# Terminals with any of the following set, support 256 colors (and are local)
+local256="$COLORTERM$XTERM_VERSION$ROXTERM_ID$KONSOLE_DBUS_SESSION"
+
+if [ -n "$local256" ] || [ -n "$SEND_256_COLORS_TO_REMOTE" ]; then
+
+ case "$TERM" in
+ 'xterm') TERM=xterm-256color;;
+ 'screen') TERM=screen-256color;;
+ 'Eterm') TERM=Eterm-256color;;
+ esac
+ export TERM
+
+ if [ -n "$TERMCAP" ] && [ "$TERM" = "screen-256color" ]; then
+ TERMCAP=$(echo "$TERMCAP" | sed -e 's/Co#8/Co#256/g')
+ export TERMCAP
+ fi
+fi
+
+unset local256
diff --git a/config/rootfiles/common/collectd b/config/rootfiles/common/collectd
index e29d077..2b9fa28 100644
--- a/config/rootfiles/common/collectd
+++ b/config/rootfiles/common/collectd
@@ -2,6 +2,7 @@ etc/collectd.conf
etc/collectd.custom
etc/collectd.precache
etc/collectd.thermal
+etc/rc.d/init.d/collectd
etc/rc.d/rc0.d/K50collectd
etc/rc.d/rc3.d/S29collectd
etc/rc.d/rc6.d/K50collectd
@@ -11,136 +12,202 @@ etc/rc.d/rc6.d/K50collectd
#usr/include/collectd/client.h
#usr/include/collectd/lcc_features.h
#usr/lib/collectd
+#usr/lib/collectd/apache.a
#usr/lib/collectd/apache.la
usr/lib/collectd/apache.so
+#usr/lib/collectd/apcups.a
#usr/lib/collectd/apcups.la
usr/lib/collectd/apcups.so
+#usr/lib/collectd/ascent.a
#usr/lib/collectd/ascent.la
usr/lib/collectd/ascent.so
+#usr/lib/collectd/battery.a
#usr/lib/collectd/battery.la
usr/lib/collectd/battery.so
+#usr/lib/collectd/bind.a
#usr/lib/collectd/bind.la
usr/lib/collectd/bind.so
+#usr/lib/collectd/conntrack.a
#usr/lib/collectd/conntrack.la
usr/lib/collectd/conntrack.so
+#usr/lib/collectd/contextswitch.a
#usr/lib/collectd/contextswitch.la
usr/lib/collectd/contextswitch.so
+#usr/lib/collectd/cpu.a
#usr/lib/collectd/cpu.la
usr/lib/collectd/cpu.so
+#usr/lib/collectd/cpufreq.a
#usr/lib/collectd/cpufreq.la
usr/lib/collectd/cpufreq.so
+#usr/lib/collectd/curl.a
#usr/lib/collectd/curl.la
usr/lib/collectd/curl.so
+#usr/lib/collectd/curl_xml.a
#usr/lib/collectd/curl_xml.la
usr/lib/collectd/curl_xml.so
+#usr/lib/collectd/df.a
#usr/lib/collectd/df.la
usr/lib/collectd/df.so
+#usr/lib/collectd/disk.a
#usr/lib/collectd/disk.la
usr/lib/collectd/disk.so
+#usr/lib/collectd/dns.a
#usr/lib/collectd/dns.la
usr/lib/collectd/dns.so
+#usr/lib/collectd/email.a
#usr/lib/collectd/email.la
usr/lib/collectd/email.so
+#usr/lib/collectd/entropy.a
#usr/lib/collectd/entropy.la
usr/lib/collectd/entropy.so
+#usr/lib/collectd/exec.a
#usr/lib/collectd/exec.la
usr/lib/collectd/exec.so
+#usr/lib/collectd/filecount.a
#usr/lib/collectd/filecount.la
usr/lib/collectd/filecount.so
+#usr/lib/collectd/fscache.a
#usr/lib/collectd/fscache.la
usr/lib/collectd/fscache.so
+#usr/lib/collectd/hddtemp.a
#usr/lib/collectd/hddtemp.la
usr/lib/collectd/hddtemp.so
+#usr/lib/collectd/interface.a
#usr/lib/collectd/interface.la
usr/lib/collectd/interface.so
+#usr/lib/collectd/iptables.a
#usr/lib/collectd/iptables.la
usr/lib/collectd/iptables.so
+#usr/lib/collectd/irq.a
#usr/lib/collectd/irq.la
usr/lib/collectd/irq.so
+#usr/lib/collectd/load.a
#usr/lib/collectd/load.la
usr/lib/collectd/load.so
+#usr/lib/collectd/logfile.a
#usr/lib/collectd/logfile.la
usr/lib/collectd/logfile.so
+#usr/lib/collectd/madwifi.a
#usr/lib/collectd/madwifi.la
usr/lib/collectd/madwifi.so
+#usr/lib/collectd/match_empty_counter.a
#usr/lib/collectd/match_empty_counter.la
usr/lib/collectd/match_empty_counter.so
+#usr/lib/collectd/match_hashed.a
#usr/lib/collectd/match_hashed.la
usr/lib/collectd/match_hashed.so
+#usr/lib/collectd/match_regex.a
#usr/lib/collectd/match_regex.la
usr/lib/collectd/match_regex.so
+#usr/lib/collectd/match_timediff.a
#usr/lib/collectd/match_timediff.la
usr/lib/collectd/match_timediff.so
+#usr/lib/collectd/match_value.a
#usr/lib/collectd/match_value.la
usr/lib/collectd/match_value.so
+#usr/lib/collectd/memory.a
#usr/lib/collectd/memory.la
usr/lib/collectd/memory.so
+#usr/lib/collectd/multimeter.a
#usr/lib/collectd/multimeter.la
usr/lib/collectd/multimeter.so
+#usr/lib/collectd/network.a
#usr/lib/collectd/network.la
usr/lib/collectd/network.so
+#usr/lib/collectd/nfs.a
#usr/lib/collectd/nfs.la
usr/lib/collectd/nfs.so
+#usr/lib/collectd/ntpd.a
#usr/lib/collectd/ntpd.la
usr/lib/collectd/ntpd.so
+#usr/lib/collectd/olsrd.a
#usr/lib/collectd/olsrd.la
usr/lib/collectd/olsrd.so
+#usr/lib/collectd/openvpn.a
#usr/lib/collectd/openvpn.la
usr/lib/collectd/openvpn.so
+#usr/lib/collectd/ping.a
#usr/lib/collectd/ping.la
usr/lib/collectd/ping.so
+#usr/lib/collectd/powerdns.a
#usr/lib/collectd/powerdns.la
usr/lib/collectd/powerdns.so
+#usr/lib/collectd/processes.a
#usr/lib/collectd/processes.la
usr/lib/collectd/processes.so
+#usr/lib/collectd/protocols.a
#usr/lib/collectd/protocols.la
usr/lib/collectd/protocols.so
+#usr/lib/collectd/python.a
#usr/lib/collectd/python.la
usr/lib/collectd/python.so
+#usr/lib/collectd/rrdcached.a
#usr/lib/collectd/rrdcached.la
usr/lib/collectd/rrdcached.so
+#usr/lib/collectd/rrdtool.a
#usr/lib/collectd/rrdtool.la
usr/lib/collectd/rrdtool.so
+#usr/lib/collectd/sensors.a
#usr/lib/collectd/sensors.la
usr/lib/collectd/sensors.so
+#usr/lib/collectd/swap.a
#usr/lib/collectd/swap.la
usr/lib/collectd/swap.so
+#usr/lib/collectd/syslog.a
#usr/lib/collectd/syslog.la
usr/lib/collectd/syslog.so
+#usr/lib/collectd/table.a
#usr/lib/collectd/table.la
usr/lib/collectd/table.so
+#usr/lib/collectd/tail.a
#usr/lib/collectd/tail.la
usr/lib/collectd/tail.so
+#usr/lib/collectd/target_notification.a
#usr/lib/collectd/target_notification.la
usr/lib/collectd/target_notification.so
+#usr/lib/collectd/target_replace.a
#usr/lib/collectd/target_replace.la
usr/lib/collectd/target_replace.so
+#usr/lib/collectd/target_scale.a
#usr/lib/collectd/target_scale.la
usr/lib/collectd/target_scale.so
+#usr/lib/collectd/target_set.a
#usr/lib/collectd/target_set.la
usr/lib/collectd/target_set.so
+#usr/lib/collectd/tcpconns.a
#usr/lib/collectd/tcpconns.la
usr/lib/collectd/tcpconns.so
+#usr/lib/collectd/teamspeak2.a
#usr/lib/collectd/teamspeak2.la
usr/lib/collectd/teamspeak2.so
+#usr/lib/collectd/ted.a
#usr/lib/collectd/ted.la
usr/lib/collectd/ted.so
+#usr/lib/collectd/thermal.a
#usr/lib/collectd/thermal.la
usr/lib/collectd/thermal.so
+#usr/lib/collectd/unixsock.a
#usr/lib/collectd/unixsock.la
usr/lib/collectd/unixsock.so
+#usr/lib/collectd/uptime.a
#usr/lib/collectd/uptime.la
usr/lib/collectd/uptime.so
+#usr/lib/collectd/users.a
#usr/lib/collectd/users.la
usr/lib/collectd/users.so
+#usr/lib/collectd/uuid.a
#usr/lib/collectd/uuid.la
usr/lib/collectd/uuid.so
+#usr/lib/collectd/vmem.a
#usr/lib/collectd/vmem.la
usr/lib/collectd/vmem.so
+#usr/lib/collectd/wireless.a
#usr/lib/collectd/wireless.la
usr/lib/collectd/wireless.so
+#usr/lib/collectd/write_http.a
#usr/lib/collectd/write_http.la
usr/lib/collectd/write_http.so
+#usr/lib/libcollectdclient.a
#usr/lib/libcollectdclient.la
usr/lib/libcollectdclient.so
usr/lib/libcollectdclient.so.0
@@ -173,4 +240,3 @@ usr/share/collectd/types.db
#usr/share/man/man5/collectd.conf.5
#usr/share/man/man5/types.db.5
#var/lib/collectd
-etc/rc.d/init.d/collectd
diff --git a/config/rootfiles/common/coreutils b/config/rootfiles/common/coreutils
index 61e9106..5b55a3a 100644
--- a/config/rootfiles/common/coreutils
+++ b/config/rootfiles/common/coreutils
@@ -20,7 +20,7 @@ bin/sleep
bin/sync
bin/true
bin/uname
-etc/dircolors
+etc/DIR_COLORS
usr/bin/[
usr/bin/basename
#usr/bin/cksum
diff --git a/config/rootfiles/common/i586/initscripts b/config/rootfiles/common/i586/initscripts
index 3799487..3b384c8 100644
--- a/config/rootfiles/common/i586/initscripts
+++ b/config/rootfiles/common/i586/initscripts
@@ -3,6 +3,7 @@
etc/rc.d/helper/getdnsfromdhcpc.pl
etc/rc.d/helper/writeipac.pl
#etc/rc.d/init.d
+#etc/rc.d/init.d/acpid
#etc/rc.d/init.d/alsa
#etc/rc.d/init.d/amavisd
etc/rc.d/init.d/apache
@@ -213,6 +214,7 @@ etc/rc.d/rcsysinit.d/S30checkfs
etc/rc.d/rcsysinit.d/S40mountfs
etc/rc.d/rcsysinit.d/S45udev_retry
etc/rc.d/rcsysinit.d/S50cleanfs
+etc/rc.d/rcsysinit.d/S51acpid
etc/rc.d/rcsysinit.d/S60setclock
etc/rc.d/rcsysinit.d/S70console
etc/rc.d/rcsysinit.d/S75firstsetup
diff --git a/config/rootfiles/common/stage2 b/config/rootfiles/common/stage2
index 3d21e4e..b01290c 100644
--- a/config/rootfiles/common/stage2
+++ b/config/rootfiles/common/stage2
@@ -31,11 +31,11 @@ etc/nsswitch.conf
etc/passwd
etc/profile
#etc/profile.d
-etc/profile.d/bashrc.sh
-etc/profile.d/dircolors.sh
-etc/profile.d/extrapaths.sh
+etc/profile.d/colorls.sh
etc/profile.d/i18n.sh
+etc/profile.d/lang.sh
etc/profile.d/readline.sh
+etc/profile.d/term256.sh
etc/profile.d/umask.sh
etc/resolv.conf
etc/securetty
@@ -51,6 +51,9 @@ media/usbkey
mnt
#opt
#root
+root/.bash_logout
+root/.bash_profile
+root/.bashrc
root/ipfire
#sbin
#srv
diff --git a/lfs/coreutils b/lfs/coreutils
index c8b4d28..d0f35c2 100644
--- a/lfs/coreutils
+++ b/lfs/coreutils
@@ -109,7 +109,7 @@ ifeq "$(ROOT)" ""
mv -v /usr/bin/{head,sleep,nice} /bin
ln -sf test /bin/[
#ln -sf ../../bin/install /usr/bin
- dircolors -p > /etc/dircolors
+ dircolors -p > /etc/DIR_COLORS
else
rm /tools/bin/hostname
endif
diff --git a/lfs/initscripts b/lfs/initscripts
index 573c81e..c9ff24e 100644
--- a/lfs/initscripts
+++ b/lfs/initscripts
@@ -199,10 +199,11 @@ $(TARGET) :
ln -sf any /etc/rc.d/init.d/networking/$$i; \
done
- # ARM does not need checkfstab
+ # ARM does not need checkfstab and acpid
ifeq "$(MACHINE_TYPE)" "arm"
- rm -vf /etc/rc.d/init.d/checkfstab
+ rm -vf /etc/rc.d/init.d/{acpid,checkfstab}
else
+ ln -sf ../init.d/acpid /etc/rc.d/rcsysinit.d/S51acpid
ln -sf ../init.d/checkfstab /etc/rc.d/rcsysinit.d/S19checkfstab
endif
diff --git a/lfs/stage2 b/lfs/stage2
index 04291d6..43edd86 100644
--- a/lfs/stage2
+++ b/lfs/stage2
@@ -83,7 +83,11 @@ $(TARGET) :
[ -f $$i ] && cp $$i /etc/profile.d; \
done
chmod 755 /etc/bashrc
- ln -svf ../bashrc /etc/profile.d/bashrc.sh
+
+ # Install root's bash files.
+ for i in $(DIR_SRC)/config/bash/dot_*; do \
+ [ -f $$i ] && cp $$i /root/$$(basename $${i/dot_/\.}); \
+ done
# Scripts
for i in `find $(DIR_SRC)/src/scripts -maxdepth 1 -type f`; do \
diff --git a/src/initscripts/init.d/acpid b/src/initscripts/init.d/acpid
new file mode 100644
index 0000000..53fa7c6
--- /dev/null
+++ b/src/initscripts/init.d/acpid
@@ -0,0 +1,48 @@
+#!/bin/sh
+########################################################################
+# Begin $rc_base/init.d/acpid
+#
+# Description : ACPI daemon init script
+#
+########################################################################
+
+. /etc/sysconfig/rc
+. ${rc_functions}
+
+# ACPI daemon is only support on Intel architectures.
+case "$(uname -m)" in
+ i?86)
+ ;;
+ *)
+ exit 0
+ ;;
+esac
+
+case "${1}" in
+ start)
+ boot_mesg "Starting ACPI daemon..."
+ loadproc /usr/sbin/acpid
+ ;;
+
+ stop)
+ boot_mesg "Stopping ACPI daemon..."
+ killproc /usr/sbin/acpid
+ ;;
+
+ restart)
+ ${0} stop
+ sleep 1
+ ${0} start
+ ;;
+
+ status)
+ statusproc /usr/sbin/acpid
+ ;;
+
+ *)
+ echo "Usage: ${0} {start|stop|restart|status}"
+ exit 1
+ ;;
+esac
+
+# End $rc_base/init.d/acpid
hooks/post-receive
--
IPFire 2.x development tree
1
0
[git.ipfire.org] IPFire 2.x development tree branch, thirteen, updated. 11a2fa057198466db44225308633c2a732fd4258
by git＠ipfire.org 11 Nov '12
by git＠ipfire.org 11 Nov '12
11 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "IPFire 2.x development tree".
The branch, thirteen has been updated
via 11a2fa057198466db44225308633c2a732fd4258 (commit)
via 20010a5aab03e649f7dc3de1245cae2514a88e15 (commit)
via 5854114015c146c37031f9ec23ae32237275d6f7 (commit)
via c68e8b99df1839f664012ebc373118928a1fc727 (commit)
via c4e286993816469c9e936d2b8ac4e7cbe95df92a (commit)
via 9258abb7869443931b29685e68e78dabe301653d (commit)
via d39c3435b01da51d3d5e58d6d8d2cbd7cb2cdc51 (commit)
via c611233b40ed3a712eda671b412226af35b461fa (commit)
via b66eb296d182324c7b0f8fb7d3fa952cc42af16b (commit)
from 1d3d1bbc2b7ce6da767069ec90fd5d382fa6fd4f (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 11a2fa057198466db44225308633c2a732fd4258
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 19:12:29 2012 +0100
ppp: Package ignored CFLAGS.
commit 20010a5aab03e649f7dc3de1245cae2514a88e15
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Thu Nov 8 17:59:08 2012 +0100
ppp: Fix building PPPoE stuff with new headers.
commit 5854114015c146c37031f9ec23ae32237275d6f7
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Thu Nov 8 23:56:34 2012 +0100
Fix building e1000, e1000e and igb.
commit c68e8b99df1839f664012ebc373118928a1fc727
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Tue Nov 6 22:43:45 2012 +0100
collected: Update to 4.10.7.
commit c4e286993816469c9e936d2b8ac4e7cbe95df92a
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Tue Nov 6 22:39:54 2012 +0100
sysvinit: Update to 2.88.
Did not build with too old kernel headers.
commit 9258abb7869443931b29685e68e78dabe301653d
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Tue Nov 6 22:41:09 2012 +0100
ebtables: Update to 2.0.10-4.
commit d39c3435b01da51d3d5e58d6d8d2cbd7cb2cdc51
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Tue Nov 6 22:42:53 2012 +0100
iptables: Install pkg-config files to right directory.
commit c611233b40ed3a712eda671b412226af35b461fa
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 18:52:07 2012 +0100
Remove mc alias (which disabled UTF-8).
commit b66eb296d182324c7b0f8fb7d3fa952cc42af16b
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 18:51:17 2012 +0100
grub: Replace patches to have grub-set-default again.
-----------------------------------------------------------------------
Summary of changes:
config/etc/bashrc | 5 -
config/rootfiles/common/i586/grub | 33 +-
config/rootfiles/common/iptables | 27 +-
config/rootfiles/common/sysvinit | 3 +
config/rootfiles/packages/ebtables | 2 +
lfs/collectd | 6 +-
lfs/e1000 | 3 +-
lfs/e1000e | 3 +-
lfs/ebtables | 7 +-
lfs/grub | 7 +-
lfs/igb | 3 +-
lfs/iptables | 3 +-
lfs/ppp | 6 +-
lfs/sysvinit | 11 +-
src/patches/grub-fedora-18.patch |48870 ------------------------------------
src/patches/grub-gentoo-14.patch |16087 ++++++++++++
16 files changed, 16136 insertions(+), 48940 deletions(-)
delete mode 100644 src/patches/grub-fedora-18.patch
create mode 100644 src/patches/grub-gentoo-14.patch
Difference in files:
diff --git a/config/etc/bashrc b/config/etc/bashrc
index e35209f..fb0c31e 100644
--- a/config/etc/bashrc
+++ b/config/etc/bashrc
@@ -29,11 +29,6 @@ alias mv='mv -i'
alias rm='rm -i'
alias cp='cp -i'
-# Midnight Commander isn't compatible to UTF8.
-# So we use it in ACSII-Mode.
-
-alias mc='mc -a'
-
# Provides prompt for non-login shells, specifically shells started
# in the X environment. [Review the LFS archive thread titled
# PS1 Environment Variable for a great case study behind this script
diff --git a/config/rootfiles/common/i586/grub b/config/rootfiles/common/i586/grub
index 341d773..43084f7 100644
--- a/config/rootfiles/common/i586/grub
+++ b/config/rootfiles/common/i586/grub
@@ -4,30 +4,29 @@ boot/grub/ipfire.xpm.gz
boot/grub/stage1
boot/grub/stage2
#usr/bin/mbchk
+usr/lib/grub
+#usr/lib/grub/i386-pc
+#usr/lib/grub/i386-pc/e2fs_stage1_5
+#usr/lib/grub/i386-pc/fat_stage1_5
+#usr/lib/grub/i386-pc/ffs_stage1_5
+#usr/lib/grub/i386-pc/iso9660_stage1_5
+#usr/lib/grub/i386-pc/jfs_stage1_5
+#usr/lib/grub/i386-pc/minix_stage1_5
+#usr/lib/grub/i386-pc/reiserfs_stage1_5
+#usr/lib/grub/i386-pc/stage1
+#usr/lib/grub/i386-pc/stage2
+#usr/lib/grub/i386-pc/stage2_eltorito
+#usr/lib/grub/i386-pc/ufs2_stage1_5
+#usr/lib/grub/i386-pc/vstafs_stage1_5
+#usr/lib/grub/i386-pc/xfs_stage1_5
usr/sbin/grub
-usr/sbin/grub-crypt
usr/sbin/grub-install
usr/sbin/grub-md5-crypt
+usr/sbin/grub-set-default
usr/sbin/grub-terminfo
-usr/share/grub
-#usr/share/grub/i386-pc
-#usr/share/grub/i386-pc/e2fs_stage1_5
-#usr/share/grub/i386-pc/fat_stage1_5
-#usr/share/grub/i386-pc/ffs_stage1_5
-#usr/share/grub/i386-pc/iso9660_stage1_5
-#usr/share/grub/i386-pc/jfs_stage1_5
-#usr/share/grub/i386-pc/minix_stage1_5
-#usr/share/grub/i386-pc/reiserfs_stage1_5
-#usr/share/grub/i386-pc/stage1
-#usr/share/grub/i386-pc/stage2
-#usr/share/grub/i386-pc/stage2_eltorito
-#usr/share/grub/i386-pc/ufs2_stage1_5
-#usr/share/grub/i386-pc/vstafs_stage1_5
-#usr/share/grub/i386-pc/xfs_stage1_5
#usr/share/info/grub.info
#usr/share/info/multiboot.info
#usr/share/man/man1/mbchk.1
-#usr/share/man/man8/grub-crypt.8
#usr/share/man/man8/grub-install.8
#usr/share/man/man8/grub-md5-crypt.8
#usr/share/man/man8/grub-terminfo.8
diff --git a/config/rootfiles/common/iptables b/config/rootfiles/common/iptables
index 27c67df..af034e8e 100644
--- a/config/rootfiles/common/iptables
+++ b/config/rootfiles/common/iptables
@@ -18,12 +18,6 @@ lib/libiptc.so.0.0.0
lib/libxtables.so
lib/libxtables.so.7
lib/libxtables.so.7.0.0
-#lib/pkgconfig
-#lib/pkgconfig/libip4tc.pc
-#lib/pkgconfig/libip6tc.pc
-#lib/pkgconfig/libipq.pc
-#lib/pkgconfig/libiptc.pc
-#lib/pkgconfig/xtables.pc
lib/xtables
#lib/xtables/libip6t_HL.so
#lib/xtables/libip6t_LOG.so
@@ -155,14 +149,9 @@ sbin/xtables-multi
#usr/include/libnfnetlink/linux_nfnetlink.h
#usr/include/libnfnetlink/linux_nfnetlink_compat.h
#usr/include/linux/netfilter/Kbuild
-#usr/include/linux/netfilter/ipset
#usr/include/linux/netfilter/ipset/Kbuild
-#usr/include/linux/netfilter/ipset/ip_set.h
#usr/include/linux/netfilter/ipset/ip_set_ahash.h
-#usr/include/linux/netfilter/ipset/ip_set_bitmap.h
#usr/include/linux/netfilter/ipset/ip_set_getport.h
-#usr/include/linux/netfilter/ipset/ip_set_hash.h
-#usr/include/linux/netfilter/ipset/ip_set_list.h
#usr/include/linux/netfilter/ipset/ip_set_timeout.h
#usr/include/linux/netfilter/ipset/pfxlen.h
#usr/include/linux/netfilter/nf_conntrack_amanda.h
@@ -177,19 +166,8 @@ sbin/xtables-multi
#usr/include/linux/netfilter/nf_conntrack_sip.h
#usr/include/linux/netfilter/nf_conntrack_snmp.h
#usr/include/linux/netfilter/nf_conntrack_tftp.h
-#usr/include/linux/netfilter/xt_AUDIT.h
-#usr/include/linux/netfilter/xt_CHECKSUM.h
-#usr/include/linux/netfilter/xt_CT.h
-#usr/include/linux/netfilter/xt_IDLETIMER.h
#usr/include/linux/netfilter/xt_IMQ.h
-#usr/include/linux/netfilter/xt_TEE.h
-#usr/include/linux/netfilter/xt_addrtype.h
-#usr/include/linux/netfilter/xt_cpu.h
-#usr/include/linux/netfilter/xt_devgroup.h
-#usr/include/linux/netfilter/xt_ipvs.h
#usr/include/linux/netfilter/xt_layer7.h
-#usr/include/linux/netfilter/xt_set.h
-#usr/include/linux/netfilter/xt_socket.h
#usr/include/net/netfilter
#usr/include/net/netfilter/nf_conntrack_tuple.h
#usr/include/net/netfilter/nf_nat.h
@@ -209,8 +187,13 @@ usr/lib/libnetfilter_queue_libipq.so.1.0.0
usr/lib/libnfnetlink.so
usr/lib/libnfnetlink.so.0
usr/lib/libnfnetlink.so.0.2.0
+#usr/lib/pkgconfig/libip4tc.pc
+#usr/lib/pkgconfig/libip6tc.pc
+#usr/lib/pkgconfig/libipq.pc
+#usr/lib/pkgconfig/libiptc.pc
#usr/lib/pkgconfig/libnetfilter_queue.pc
#usr/lib/pkgconfig/libnfnetlink.pc
+#usr/lib/pkgconfig/xtables.pc
#usr/share/man/man1/iptables-xml.1
#usr/share/man/man3/ipq_create_handle.3
#usr/share/man/man3/ipq_destroy_handle.3
diff --git a/config/rootfiles/common/sysvinit b/config/rootfiles/common/sysvinit
index 8bd60ef..ede5aa5 100644
--- a/config/rootfiles/common/sysvinit
+++ b/config/rootfiles/common/sysvinit
@@ -1,6 +1,7 @@
bin/mountpoint
bin/pidof
#sbin/bootlogd
+#sbin/fstab-decode
sbin/halt
sbin/init
sbin/killall5
@@ -20,10 +21,12 @@ usr/bin/wall
#usr/share/man/man1/lastb.1
#usr/share/man/man1/mesg.1
#usr/share/man/man1/mountpoint.1
+#usr/share/man/man1/utmpdump.1
#usr/share/man/man1/wall.1
#usr/share/man/man5/initscript.5
#usr/share/man/man5/inittab.5
#usr/share/man/man8/bootlogd.8
+#usr/share/man/man8/fstab-decode.8
#usr/share/man/man8/halt.8
#usr/share/man/man8/init.8
#usr/share/man/man8/killall5.8
diff --git a/config/rootfiles/packages/ebtables b/config/rootfiles/packages/ebtables
index 65c346b..7e10eee 100644
--- a/config/rootfiles/packages/ebtables
+++ b/config/rootfiles/packages/ebtables
@@ -6,11 +6,13 @@ usr/lib/libebt_among.so
usr/lib/libebt_arp.so
usr/lib/libebt_arpreply.so
usr/lib/libebt_ip.so
+usr/lib/libebt_ip6.so
usr/lib/libebt_limit.so
usr/lib/libebt_log.so
usr/lib/libebt_mark.so
usr/lib/libebt_mark_m.so
usr/lib/libebt_nat.so
+usr/lib/libebt_nflog.so
usr/lib/libebt_pkttype.so
usr/lib/libebt_redirect.so
usr/lib/libebt_standard.so
diff --git a/lfs/collectd b/lfs/collectd
index f17879c..3d28841 100644
--- a/lfs/collectd
+++ b/lfs/collectd
@@ -25,7 +25,7 @@
include Config
PKG_NAME = collectd
-VER = 4.10.3
+VER = 4.10.7
THISAPP = collectd-$(VER)
DL_FILE = $(THISAPP).tar.bz2
@@ -44,7 +44,7 @@ objects = $(DL_FILE)
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
-$(DL_FILE)_MD5 = 5f17bfd7342af4f97f78c608f1d1eb1d
+$(DL_FILE)_MD5 = f4193fdb5002ddac8159c88032a726bc
install : $(TARGET)
@@ -77,8 +77,6 @@ $(subst %,%_MD5,$(objects)) :
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@$(PREBUILD)
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar jxf $(DIR_DL)/$(DL_FILE)
- #cd $(DIR_APP) && sed -i 's|with_libiptc="no (Linux iptables header.*|with_libiptc="yes"|g' \
- # ./configure
cd $(DIR_APP) && ./configure --prefix=/usr --localstatedir=/var \
--disable-{apple_sensors,csv,ipvs,mbmon,memcached,mysql} \
--disable-{netlink,nginx,nut,perl,serial,snmp,tape,vserver,xmms} \
diff --git a/lfs/e1000 b/lfs/e1000
index 25abe45..50e21fb 100644
--- a/lfs/e1000
+++ b/lfs/e1000
@@ -84,8 +84,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
-mv $(MODPATH)/e1000.ko \
$(MODPATH)/e1000.ko.org
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
- cd $(DIR_APP)/src && make -C /lib/modules/$(KVER)-$(VERSUFIX)/build/ \
- SUBDIRS=$(DIR_APP)/src modules
+ cd $(DIR_APP)/src && make BUILD_KERNEL=$(KVER)-$(VERSUFIX)
cd $(DIR_APP)/src && install -m 644 e1000.ko $(MODPATH)
@rm -rf $(DIR_APP)
@$(POSTBUILD)
diff --git a/lfs/e1000e b/lfs/e1000e
index 42f2638..693c054 100644
--- a/lfs/e1000e
+++ b/lfs/e1000e
@@ -84,8 +84,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
-mv $(MODPATH)/e1000e.ko \
$(MODPATH)/e1000e.ko.org
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
- cd $(DIR_APP)/src && make -C /lib/modules/$(KVER)-$(VERSUFIX)/build/ \
- SUBDIRS=$(DIR_APP)/src modules
+ cd $(DIR_APP)/src && make BUILD_KERNEL=$(KVER)-$(VERSUFIX)
cd $(DIR_APP)/src && install -m 644 e1000e.ko $(MODPATH)
@rm -rf $(DIR_APP)
@$(POSTBUILD)
diff --git a/lfs/ebtables b/lfs/ebtables
index e6cc69b..a7da349 100644
--- a/lfs/ebtables
+++ b/lfs/ebtables
@@ -24,7 +24,7 @@
include Config
-VER = 2.0.8-2
+VER = 2.0.10-4
THISAPP = ebtables-v$(VER)
DL_FILE = $(THISAPP).tar.gz
@@ -32,7 +32,7 @@ DL_FROM = $(URL_IPFIRE)
DIR_APP = $(DIR_SRC)/$(THISAPP)
TARGET = $(DIR_INFO)/$(THISAPP)
PROG = ebtables
-PAK_VER = 1
+PAK_VER = 2
DEPS = ""
@@ -44,7 +44,8 @@ objects = $(DL_FILE)
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
-$(DL_FILE)_MD5 = 66bcbcb2dcf3b981ad4e86e1720e796e
+$(DL_FILE)_MD5 = 506742a3d44b9925955425a659c1a8d0
+
install : $(TARGET)
check : $(patsubst %,$(DIR_CHK)/%,$(objects))
diff --git a/lfs/grub b/lfs/grub
index 76315fa..8d58099 100644
--- a/lfs/grub
+++ b/lfs/grub
@@ -75,18 +75,19 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
# Applying patches.
- cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grub-fedora-18.patch
+ cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grub-gentoo-14.patch
cd $(DIR_APP) && autoreconf
cd $(DIR_APP) && autoconf
# Build.
- cd $(DIR_APP) && CFLAGS="$(CFLAGS)" ./configure --prefix=/usr
+ cd $(DIR_APP) && CFLAGS="$(CFLAGS)" ./configure --prefix=/usr \
+ --disable-auto-linux-mem-opt
cd $(DIR_APP) && make $(MAKETUNING)
cd $(DIR_APP) && make install
# grub files
mkdir -vp /boot/grub
- cp -v /usr/share/grub/i386-pc/stage{1,2} /boot/grub
+ cp -v /usr/lib/grub/i386-pc/stage{1,2} /boot/grub
for i in $(DIR_SRC)/config/grub/*; do \
[ -f $$i ] && cp -f $$i /boot/grub; \
done
diff --git a/lfs/igb b/lfs/igb
index 2931881..29da8bb 100644
--- a/lfs/igb
+++ b/lfs/igb
@@ -84,8 +84,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
-mv $(MODPATH)/igb.ko \
$(MODPATH)//igb.ko.org
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
- cd $(DIR_APP)/src && make -C /lib/modules/$(KVER)-$(VERSUFIX)/build/ \
- SUBDIRS=$(DIR_APP)/src modules
+ cd $(DIR_APP)/src && make BUILD_KERNEL=$(KVER)-$(VERSUFIX)
cd $(DIR_APP)/src && install -m 644 igb.ko $(MODPATH)
@rm -rf $(DIR_APP)
@$(POSTBUILD)
diff --git a/lfs/iptables b/lfs/iptables
index 33a00e4..ceb560d 100644
--- a/lfs/iptables
+++ b/lfs/iptables
@@ -98,7 +98,8 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
cd $(DIR_APP) && ./configure --prefix=/usr --with-ksource=/usr/src/linux \
--libdir=/lib --includedir=/usr/include --enable-libipq \
--libexecdir=/lib --bindir=/sbin \
- --sbindir=/sbin --mandir=/usr/share/man
+ --sbindir=/sbin --mandir=/usr/share/man \
+ --with-pkgconfigdir=/usr/lib/pkgconfig
cd $(DIR_APP) && make $(MAKETUNING)
cd $(DIR_APP) && make install
diff --git a/lfs/ppp b/lfs/ppp
index e667b1e..5d772fc 100644
--- a/lfs/ppp
+++ b/lfs/ppp
@@ -32,6 +32,8 @@ DL_FROM = $(URL_IPFIRE)
DIR_APP = $(DIR_SRC)/$(THISAPP)
TARGET = $(DIR_INFO)/$(THISAPP)
+CFLAGS += -fno-strict-aliasing
+
###############################################################################
# Top-level Rules
###############################################################################
@@ -70,7 +72,7 @@ $(subst %,%_MD5,$(objects)) :
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@$(PREBUILD)
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
- cd $(DIR_APP) && rm -f include/pcap-int.h
+ cd $(DIR_APP) && rm -f include/pcap-int.h include/linux/if_pppol2tp.h
# cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/ppp-2.4.2-pppoatm.patch
# cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/ppp-2.4.2-pppoatm-persist.patch
# cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/ppp-2.4.1-oedod.patch
@@ -80,7 +82,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
# cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/ppp-2.4.2-close.patch
cd $(DIR_APP) && sed -i -e "s+/etc/ppp/connect-errors+/var/log/connect-errors+" pppd/pathnames.h
cd $(DIR_APP) && ./configure --prefix=/usr --disable-nls
- cd $(DIR_APP) && make $(MAKETUNING)
+ cd $(DIR_APP) && make $(MAKETUNING) CC="gcc $(CFLAGS)"
cd $(DIR_APP) && make install
cd $(DIR_APP) && make install-etcppp
touch /var/log/connect-errors
diff --git a/lfs/sysvinit b/lfs/sysvinit
index 3f16dd9..85864fd 100644
--- a/lfs/sysvinit
+++ b/lfs/sysvinit
@@ -24,10 +24,10 @@
include Config
-VER = 2.86
+VER = 2.88dsf
THISAPP = sysvinit-$(VER)
-DL_FILE = $(THISAPP).tar.gz
+DL_FILE = $(THISAPP).tar.bz2
DL_FROM = $(URL_IPFIRE)
DIR_APP = $(DIR_SRC)/$(THISAPP)
TARGET = $(DIR_INFO)/$(THISAPP)
@@ -40,7 +40,7 @@ objects = $(DL_FILE)
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
-$(DL_FILE)_MD5 = 7d5d61c026122ab791ac04c8a84db967
+$(DL_FILE)_MD5 = 6eda8a97b86e0a6f59dabbf25202aa6f
install : $(TARGET)
@@ -69,10 +69,7 @@ $(subst %,%_MD5,$(objects)) :
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@$(PREBUILD)
- @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
- cd $(DIR_APP) && cp src/init.c{,.backup}
- cd $(DIR_APP) && sed -i 's@Sending processes@& started by init@g' \
- src/init.c
+ @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
cd $(DIR_APP) && make $(MAKETUNING) -C src
cd $(DIR_APP) && make -C src install
@rm -rf $(DIR_APP)
diff --git a/src/patches/grub-fedora-18.patch b/src/patches/grub-fedora-18.patch
deleted file mode 100644
index e87c180..0000000
--- a/src/patches/grub-fedora-18.patch
+++ /dev/null
@@ -1,48870 +0,0 @@
-From: Peter Jones <pjones(a)redhat.com>"
-Date: Wed Apr 18 12:53:49 EDT 2012
-Subject: [PATCH] Changes from grub-0.97 to master
-
-This patch is a bundle of the changes between grub-0.97 and master.
-It can be reginerated from the git repository at:
-
-git://github.com/vathpela/grub-fedora.git
-
-Using the command:
-
-git diff grub-0.97 master
-
- .gitignore | 10
- ChangeLog | 48
- Makefile.am | 7
- Makefile.in | 605 ---
- acinclude.m4 | 4
- aclocal.m4 | 1061 -----
- config.h.in | 106
- configure | 7639 -----------------------------------------
- configure.in | 113
- docs/.gitignore | 3
- docs/Makefile.am | 9
- docs/Makefile.in | 770 ----
- docs/grub-crypt.8 | 39
- docs/grub-install.8 | 2
- docs/grub.8 | 2
- docs/grub.info | 370 +
- docs/grub.texi | 79
- docs/stamp-vti | 4
- docs/version.texi | 4
- efi/.gitignore | 7
- efi/Makefile.am | 76
- efi/byteswap.h | 37
- efi/dhcp.h | 133
- efi/efichainloader.c | 265 +
- efi/eficon.c | 306 +
- efi/eficore.c | 241 +
- efi/efidisk.c | 801 ++++
- efi/efidp.c | 999 +++++
- efi/efigraph.c | 1501 ++++++++
- efi/efimain.c | 129
- efi/efimisc.c | 665 +++
- efi/efimm.c | 539 ++
- efi/efiserial.c | 265 +
- efi/efitftp.c | 228 +
- efi/efiuga.c | 982 +++++
- efi/font_8x16.c | 4638 ++++++++++++++++++++++++
- efi/graphics.c | 666 +++
- efi/graphics.h | 81
- efi/grub/.gitignore | 1
- efi/grub/efi/api.h | 1716 +++++++++
- efi/grub/efi/console_control.h | 59
- efi/grub/efi/efi.h | 85
- efi/grub/efi/eficall.h | 162
- efi/grub/efi/misc.h | 60
- efi/grub/efi/time.h | 31
- efi/grub/i386/linux.h | 226 +
- efi/grub/i386/types.h | 32
- efi/grub/misc.h | 71
- efi/grub/symbol.h | 34
- efi/grub/types.h | 158
- efi/grub/x86_64/linux.h | 234 +
- efi/grub/x86_64/types.h | 32
- efi/ia32/callwrap.S | 1
- efi/ia32/callwrap.c | 131
- efi/ia32/loader/bin_to_h.c | 29
- efi/ia32/loader/linux.c | 648 +++
- efi/ia32/loader/switch.S | 118
- efi/ia32/loader/switch.h | 19
- efi/ia32/reloc.c | 79
- efi/ia32/setjmp.S | 86
- efi/pxe.c | 460 ++
- efi/pxe.h | 237 +
- efi/ugadebug.h | 201 +
- efi/x86_64/callwrap.S | 274 +
- efi/x86_64/crt0-efi.S | 63
- efi/x86_64/elf_efi.lds | 58
- efi/x86_64/loader/Makefile | 20
- efi/x86_64/loader/bin_to_h.c | 29
- efi/x86_64/loader/linux.c | 760 ++++
- efi/x86_64/loader/switch.S | 92
- efi/x86_64/loader/switch.h | 25
- efi/x86_64/reloc.c | 79
- efi/x86_64/setjmp.S | 56
- efi/xpm.c | 231 +
- efi/xpm.h | 36
- grub.spec | 438 ++
- grub/.gitignore | 2
- grub/Makefile.am | 2
- grub/Makefile.in | 445 --
- grub/asmstub.c | 194 -
- grub/efitftp.c | 34
- grub/main.c | 2
- lib/.gitignore | 2
- lib/Makefile.in | 416 --
- lib/device.c | 360 +
- makediff | 21
- netboot/.gitignore | 2
- netboot/Makefile.in | 1091 -----
- netboot/etherboot.h | 34
- netboot/main.c | 6
- netboot/misc.c | 58
- netboot/osdep.h | 24
- stage1/.gitignore | 2
- stage1/Makefile.am | 15
- stage1/Makefile.in | 433 --
- stage1/stage1.S | 4
- stage2/.gitignore | 5
- stage2/Makefile.am | 77
- stage2/Makefile.in | 3250 -----------------
- stage2/asm.S | 284 +
- stage2/boot.c | 114
- stage2/builtins.c | 1368 +++++--
- stage2/char_io.c | 609 ++-
- stage2/cmdline.c | 19
- stage2/common.c | 16
- stage2/disk_io.c | 213 -
- stage2/efistubs.c | 7
- stage2/efistubs.h | 8
- stage2/fat.h | 2
- stage2/filesys.h | 28
- stage2/fsys_ext2fs.c | 394 +-
- stage2/fsys_fat.c | 41
- stage2/fsys_iso9660.c | 8
- stage2/fsys_jfs.c | 12
- stage2/fsys_minix.c | 10
- stage2/fsys_reiserfs.c | 44
- stage2/fsys_uefi.c | 265 +
- stage2/fsys_vstafs.c | 28
- stage2/fsys_xfs.c | 22
- stage2/gpt.h | 69
- stage2/graphics.c | 573 +++
- stage2/graphics.h | 42
- stage2/gunzip.c | 15
- stage2/iso9660.h | 4
- stage2/mb_info.h | 4
- stage2/pc_slice.h | 51
- stage2/serial.c | 4
- stage2/sha256crypt.c | 723 +++
- stage2/sha512crypt.c | 795 ++++
- stage2/shared.h | 126
- stage2/smp-imps.h | 1
- stage2/stage1_5.c | 3
- stage2/stage2.c | 203 -
- stage2/start.S | 13
- stage2/term.h | 35
- stage2/tparm.c | 14
- test | 1
- util/.gitignore | 7
- util/Makefile.am | 11
- util/Makefile.in | 478 --
- util/grub-crypt.in | 80
- util/grub-install.in | 334 +
- 142 files changed, 26410 insertions(+), 17652 deletions(-)
-
-diff --git a/.gitignore b/.gitignore
-new file mode 100644
-index 0000000..3d7295a
---- /dev/null
-+++ b/.gitignore
-@@ -0,0 +1,10 @@
-+Makefile.in
-+Makefile
-+configure
-+aclocal.m4
-+autom4te.cache
-+config.h
-+config.h.in
-+config.log
-+config.status
-+stamp-h1
-diff --git a/ChangeLog b/ChangeLog
-index 0f93033..9602fb9 100644
---- a/ChangeLog
-+++ b/ChangeLog
-@@ -772,6 +772,18 @@
- DATA_LEN is less than or equal to MULTIBOOT_SEARCH.
- Reported by Neelkanth Natu <neelnatu(a)yahoo.com>.
-
-+2003-03-12 Leonid Lisovskiy <lly(a)pisem.net>
-+
-+ * lib/device.c (get_drive_geometry): grub utility didn't work
-+ due to uninitialized 'sector_size' struct geometry member.
-+ * stage1/stage1.h (GRUB_NO_DRIVE): Constant moved from
-+ stage2/shared.h and its value rolled back to 0xFF for backward
-+ compatibility with original grub.
-+ * stage1/stage1.S (boot_drive): Use GRUB_NO_DRIVE instead of
-+ constant.
-+ * stage2/bios.c (get_diskinfo): Workaround for BIOS'es that
-+ has CD-ROM drive number = last harddisk + 1.
-+
- 2003-03-10 Yoshinori K. Okuji <okuji(a)enbug.org>
-
- From Andrew Walrond <andrew(a)walrond.org>:
-@@ -816,6 +828,42 @@
- thus corrupts the stack. This is why we specify the exactly
- necessary size of 0x42 bytes.
-
-+2003-01-28 Leonid Lisovskiy <lly(a)pisem.net>
-+
-+ ISO9660 support is added.
-+
-+ * stage2/fsys_iso9660.c: New file - a lot of code stolen from
-+ GRUB/98 0.5.
-+ * stage2/iso9660.h: Likewise.
-+ * stage2/start_torito.S: New file - El Torito boot sector.
-+ * stage2/Makefile.am (noinst_HEADERS): iso9660.h added.
-+ (libgrub_a_SOURCES): fsys_iso9660.c added.
-+ (pkgdata_DATA): iso9660_stage1_5 added.
-+ (noinst_PROGRAMS): iso9660_stage1_5.exec added.
-+ * configure.in (--disable-iso9660): New option.
-+ * stage2/builtins.c (setup_func): Add item for ISO9660 into
-+ STAGE1_5_MAP.
-+ * stage2/disk_io.c (rawread): Ability to read devices with
-+ sector size other than 512 added.
-+ (fsys_table): Added entry for ISO9660.
-+ (check_and_print_mount): Don't print error when probing
-+ partition.
-+ (real_open_partition): Cleanup globals after probing.
-+ * stage2/filesys.h [FSYS_ISO9660]: Add entries for ISO9660
-+ functions.
-+ (NUM_FSYS): Added FSYS_ISO9660_NUM.
-+ * stage2/shared.h (STAGE2_ID_ISO9660_STAGE1_5): New macro.
-+ (GRUB_NO_DRIVE): New constant.
-+ (struct geometry): New member 'sector_size'.
-+ * stage2/bios.c (get_diskinfo): Request 1.xx version of
-+ int13 extensions only since higher version request can
-+ destroy El Torito emulation on some BIOS'es.
-+ (get_cdinfo): New function - get El Torito emulation parameters.
-+ * stage2/asm.S (biosdisk_int13_extensions): pass AX, instead
-+ of AH for universality, save EBX,ECX,EDX registers content to
-+ avoid data corruption in caller functions.
-+ (get_diskinfo_int13_extensions): Removed.
-+
- 2003-01-25 Yoshinori K. Okuji <okuji(a)enbug.org>
-
- From Steven Dick <ssd.gnu(a)mmae.ucf.edu>:
-diff --git a/Makefile.am b/Makefile.am
-index 63a9a4f..9bde872 100644
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -1,4 +1,9 @@
- # Do not change this order if you don't know what you are doing.
- AUTOMAKE_OPTIONS = 1.7 gnu
--SUBDIRS = netboot stage2 stage1 lib grub util docs
-+SUBDIRS = netboot stage2 stage1 lib util docs
-+if PLATFORM_EFI
-+SUBDIRS += efi
-+else
-+SUBDIRS += grub
-+endif
- EXTRA_DIST = BUGS MAINTENANCE
-diff --git a/Makefile.in b/Makefile.in
-deleted file mode 100644
-index 6652366..0000000
---- a/Makefile.in
-+++ /dev/null
-@@ -1,605 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
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-diff --git a/acinclude.m4 b/acinclude.m4
-index 368839c..1cf1d67 100644
---- a/acinclude.m4
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- grub_cv_prog_objcopy_absolute=yes
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-- if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr conftest.o -o conftest.exec]); then :
-+ if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr -Wl,--build-id=none conftest.o -o conftest.exec]); then :
- else
- AC_MSG_ERROR([${CC-cc} cannot link at address $link_addr])
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---- a/aclocal.m4
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--/* Define if there is user specified preset menu string */
--#undef PRESET_MENU_STRING
--
--/* Define to 1 if you have the ANSI C header files. */
--#undef STDC_HEADERS
--
--/* Version number of package */
--#undef VERSION
-diff --git a/configure b/configure
-deleted file mode 100755
-index 537ab89..0000000
---- a/configure
-+++ /dev/null
-@@ -1,7639 +0,0 @@
--#! /bin/sh
--# Guess values for system-dependent variables and create Makefiles.
--# Generated by GNU Autoconf 2.59 for GRUB 0.97.
--#
--# Report bugs to <bug-grub(a)gnu.org>.
--#
--# Copyright (C) 2003 Free Software Foundation, Inc.
--# This configure script is free software; the Free Software Foundation
--# gives unlimited permission to copy, distribute and modify it.
--## --------------------- ##
--## M4sh Initialization. ##
--## --------------------- ##
--
--# Be Bourne compatible
--if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-- emulate sh
-- NULLCMD=:
-- # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
-- # is contrary to our usage. Disable this feature.
-- alias -g '${1+"$@"}'='"$@"'
--elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
-- set -o posix
--fi
--DUALCASE=1; export DUALCASE # for MKS sh
--
--# Support unset when possible.
--if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-- as_unset=unset
--else
-- as_unset=false
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--
--
--# Work around bugs in pre-3.0 UWIN ksh.
--$as_unset ENV MAIL MAILPATH
--PS1='$ '
--PS2='> '
--PS4='+ '
--
--# NLS nuisances.
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-- LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-- LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-- LC_TELEPHONE LC_TIME
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-- if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-- eval $as_var=C; export $as_var
-- else
-- $as_unset $as_var
-- fi
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--
--# Required to use basename.
--if expr a : '\(a\)' >/dev/null 2>&1; then
-- as_expr=expr
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-- as_expr=false
--fi
--
--if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
-- as_basename=basename
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-- as_basename=false
--fi
--
--
--# Name of the executable.
--as_me=`$as_basename "$0" ||
--$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-- X"$0" : 'X\(//\)$' \| \
-- X"$0" : 'X\(/\)$' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X/"$0" |
-- sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
-- /^X\/\(\/\/\)$/{ s//\1/; q; }
-- /^X\/\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
--
--
--# PATH needs CR, and LINENO needs CR and PATH.
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-- chmod +x conf$$.sh
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-- PATH_SEPARATOR=:
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--
--
-- as_lineno_1=$LINENO
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-- as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
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-- # Find who we are. Look in the path if we contain no path at all
-- # relative or not.
-- case $0 in
-- *[\\/]* ) as_myself=$0 ;;
-- *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
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-- test -z "$as_dir" && as_dir=.
-- test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
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--
-- ;;
-- esac
-- # We did not find ourselves, most probably we were run as `sh COMMAND'
-- # in which case we are not to be found in the path.
-- if test "x$as_myself" = x; then
-- as_myself=$0
-- fi
-- if test ! -f "$as_myself"; then
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-- { (exit 1); exit 1; }; }
-- fi
-- case $CONFIG_SHELL in
-- '')
-- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-- /*)
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-- as_lineno_1=$LINENO
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-- as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-- test "x$as_lineno_1" != "x$as_lineno_2" &&
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-- $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
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-- CONFIG_SHELL=$as_dir/$as_base
-- export CONFIG_SHELL
-- exec "$CONFIG_SHELL" "$0" ${1+"$@"}
-- fi;;
-- esac
-- done
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--;;
-- esac
--
-- # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-- # uniformly replaced by the line number. The first 'sed' inserts a
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-- # with the numbered line, and appends trailing '-' during
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-- # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
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-- sed '=' <$as_myself |
-- sed '
-- N
-- s,$,-,
-- : loop
-- s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
-- t loop
-- s,-$,,
-- s,^['$as_cr_digits']*\n,,
-- ' >$as_me.lineno &&
-- chmod +x $as_me.lineno ||
-- { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-- { (exit 1); exit 1; }; }
--
-- # Don't try to exec as it changes $[0], causing all sort of problems
-- # (the dirname of $[0] is not the place where we might find the
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-- # Exit status is that of the last command.
-- exit
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--
--
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-- *c*,-n*) ECHO_N= ECHO_C='
--' ECHO_T=' ' ;;
-- *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-- *) ECHO_N= ECHO_C='\c' ECHO_T= ;;
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--
--if expr a : '\(a\)' >/dev/null 2>&1; then
-- as_expr=expr
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-- as_expr=false
--fi
--
--rm -f conf$$ conf$$.exe conf$$.file
--echo >conf$$.file
--if ln -s conf$$.file conf$$ 2>/dev/null; then
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-- as_ln_s='cp -p'
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--rm -f conf$$ conf$$.exe conf$$.file
--
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-- test -d ./-p && rmdir ./-p
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--
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--
--
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--'
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--
--# CDPATH.
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--
--
--# Name of the host.
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--
--exec 6>&1
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--ac_default_prefix=/usr/local
--ac_config_libobj_dir=.
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--MFLAGS=
--MAKEFLAGS=
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--: ${ac_max_here_lines=38}
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--# Identity of this package.
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--
--ac_unique_file="stage2/stage2.c"
--# Factoring default headers for most tests.
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--# include <stddef.h>
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--
--ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar build build_cpu build_vendor build_os host host_cpu host_vendor host_os MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT PERL CC ac_ct_CC CFLAGS LDFLAGS CPPFLAGS EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CCAS RANLIB ac_ct_RANLIB STAGE1_CFLAGS STAGE2_CFLAGS GRUB_CFLAGS OBJCOPY ac_ct_OBJCOPY GRUB_LIBS CPP EGREP NETBOOT_SUPPORT_T
RUE NETBOOT_SUPPORT_FALSE DISKLESS_SUPPORT_TRUE DISKLESS_SUPPORT_FALSE HERCULES_SUPPORT_TRUE HERCULES_SUPPORT_FALSE SERIAL_SUPPORT_TRUE SERIAL_SUPPORT_FALSE SERIAL_SPEED_SIMULATION_TRUE SERIAL_SPEED_SIMULATION_FALSE BUILD_EXAMPLE_KERNEL_TRUE BUILD_EXAMPLE_KERNEL_FALSE FSYS_CFLAGS NET_CFLAGS NET_EXTRAFLAGS NETBOOT_DRIVERS CCASFLAGS LIBOBJS LTLIBOBJS'
--ac_subst_files=''
--
--# Initialize some variables set by options.
--ac_init_help=
--ac_init_version=false
--# The variables have the same names as the options, with
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--cache_file=/dev/null
--exec_prefix=NONE
--no_create=
--no_recursion=
--prefix=NONE
--program_prefix=NONE
--program_suffix=NONE
--program_transform_name=s,x,x,
--silent=
--site=
--srcdir=
--verbose=
--x_includes=NONE
--x_libraries=NONE
--
--# Installation directory options.
--# These are left unexpanded so users can "make install exec_prefix=/foo"
--# and all the variables that are supposed to be based on exec_prefix
--# by default will actually change.
--# Use braces instead of parens because sh, perl, etc. also accept them.
--bindir='${exec_prefix}/bin'
--sbindir='${exec_prefix}/sbin'
--libexecdir='${exec_prefix}/libexec'
--datadir='${prefix}/share'
--sysconfdir='${prefix}/etc'
--sharedstatedir='${prefix}/com'
--localstatedir='${prefix}/var'
--libdir='${exec_prefix}/lib'
--includedir='${prefix}/include'
--oldincludedir='/usr/include'
--infodir='${prefix}/info'
--mandir='${prefix}/man'
--
--ac_prev=
--for ac_option
--do
-- # If the previous option needs an argument, assign it.
-- if test -n "$ac_prev"; then
-- eval "$ac_prev=\$ac_option"
-- ac_prev=
-- continue
-- fi
--
-- ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
--
-- # Accept the important Cygnus configure options, so we can diagnose typos.
--
-- case $ac_option in
--
-- -bindir | --bindir | --bindi | --bind | --bin | --bi)
-- ac_prev=bindir ;;
-- -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
-- bindir=$ac_optarg ;;
--
-- -build | --build | --buil | --bui | --bu)
-- ac_prev=build_alias ;;
-- -build=* | --build=* | --buil=* | --bui=* | --bu=*)
-- build_alias=$ac_optarg ;;
--
-- -cache-file | --cache-file | --cache-fil | --cache-fi \
-- | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
-- ac_prev=cache_file ;;
-- -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
-- | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
-- cache_file=$ac_optarg ;;
--
-- --config-cache | -C)
-- cache_file=config.cache ;;
--
-- -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
-- ac_prev=datadir ;;
-- -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
-- | --da=*)
-- datadir=$ac_optarg ;;
--
-- -disable-* | --disable-*)
-- ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
-- # Reject names that are not valid shell variable names.
-- expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-- { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-- { (exit 1); exit 1; }; }
-- ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-- eval "enable_$ac_feature=no" ;;
--
-- -enable-* | --enable-*)
-- ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
-- # Reject names that are not valid shell variable names.
-- expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-- { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-- { (exit 1); exit 1; }; }
-- ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-- case $ac_option in
-- *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
-- *) ac_optarg=yes ;;
-- esac
-- eval "enable_$ac_feature='$ac_optarg'" ;;
--
-- -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
-- | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
-- | --exec | --exe | --ex)
-- ac_prev=exec_prefix ;;
-- -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
-- | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
-- | --exec=* | --exe=* | --ex=*)
-- exec_prefix=$ac_optarg ;;
--
-- -gas | --gas | --ga | --g)
-- # Obsolete; use --with-gas.
-- with_gas=yes ;;
--
-- -help | --help | --hel | --he | -h)
-- ac_init_help=long ;;
-- -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
-- ac_init_help=recursive ;;
-- -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
-- ac_init_help=short ;;
--
-- -host | --host | --hos | --ho)
-- ac_prev=host_alias ;;
-- -host=* | --host=* | --hos=* | --ho=*)
-- host_alias=$ac_optarg ;;
--
-- -includedir | --includedir | --includedi | --included | --include \
-- | --includ | --inclu | --incl | --inc)
-- ac_prev=includedir ;;
-- -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
-- | --includ=* | --inclu=* | --incl=* | --inc=*)
-- includedir=$ac_optarg ;;
--
-- -infodir | --infodir | --infodi | --infod | --info | --inf)
-- ac_prev=infodir ;;
-- -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
-- infodir=$ac_optarg ;;
--
-- -libdir | --libdir | --libdi | --libd)
-- ac_prev=libdir ;;
-- -libdir=* | --libdir=* | --libdi=* | --libd=*)
-- libdir=$ac_optarg ;;
--
-- -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
-- | --libexe | --libex | --libe)
-- ac_prev=libexecdir ;;
-- -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
-- | --libexe=* | --libex=* | --libe=*)
-- libexecdir=$ac_optarg ;;
--
-- -localstatedir | --localstatedir | --localstatedi | --localstated \
-- | --localstate | --localstat | --localsta | --localst \
-- | --locals | --local | --loca | --loc | --lo)
-- ac_prev=localstatedir ;;
-- -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
-- | --localstate=* | --localstat=* | --localsta=* | --localst=* \
-- | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
-- localstatedir=$ac_optarg ;;
--
-- -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
-- ac_prev=mandir ;;
-- -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
-- mandir=$ac_optarg ;;
--
-- -nfp | --nfp | --nf)
-- # Obsolete; use --without-fp.
-- with_fp=no ;;
--
-- -no-create | --no-create | --no-creat | --no-crea | --no-cre \
-- | --no-cr | --no-c | -n)
-- no_create=yes ;;
--
-- -no-recursion | --no-recursion | --no-recursio | --no-recursi \
-- | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
-- no_recursion=yes ;;
--
-- -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
-- | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
-- | --oldin | --oldi | --old | --ol | --o)
-- ac_prev=oldincludedir ;;
-- -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
-- | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
-- | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
-- oldincludedir=$ac_optarg ;;
--
-- -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
-- ac_prev=prefix ;;
-- -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
-- prefix=$ac_optarg ;;
--
-- -program-prefix | --program-prefix | --program-prefi | --program-pref \
-- | --program-pre | --program-pr | --program-p)
-- ac_prev=program_prefix ;;
-- -program-prefix=* | --program-prefix=* | --program-prefi=* \
-- | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
-- program_prefix=$ac_optarg ;;
--
-- -program-suffix | --program-suffix | --program-suffi | --program-suff \
-- | --program-suf | --program-su | --program-s)
-- ac_prev=program_suffix ;;
-- -program-suffix=* | --program-suffix=* | --program-suffi=* \
-- | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
-- program_suffix=$ac_optarg ;;
--
-- -program-transform-name | --program-transform-name \
-- | --program-transform-nam | --program-transform-na \
-- | --program-transform-n | --program-transform- \
-- | --program-transform | --program-transfor \
-- | --program-transfo | --program-transf \
-- | --program-trans | --program-tran \
-- | --progr-tra | --program-tr | --program-t)
-- ac_prev=program_transform_name ;;
-- -program-transform-name=* | --program-transform-name=* \
-- | --program-transform-nam=* | --program-transform-na=* \
-- | --program-transform-n=* | --program-transform-=* \
-- | --program-transform=* | --program-transfor=* \
-- | --program-transfo=* | --program-transf=* \
-- | --program-trans=* | --program-tran=* \
-- | --progr-tra=* | --program-tr=* | --program-t=*)
-- program_transform_name=$ac_optarg ;;
--
-- -q | -quiet | --quiet | --quie | --qui | --qu | --q \
-- | -silent | --silent | --silen | --sile | --sil)
-- silent=yes ;;
--
-- -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
-- ac_prev=sbindir ;;
-- -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
-- | --sbi=* | --sb=*)
-- sbindir=$ac_optarg ;;
--
-- -sharedstatedir | --sharedstatedir | --sharedstatedi \
-- | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
-- | --sharedst | --shareds | --shared | --share | --shar \
-- | --sha | --sh)
-- ac_prev=sharedstatedir ;;
-- -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
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--Program names:
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-- --with-binutils=DIR search the directory DIR to find binutils
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-- CPP C preprocessor
--
--Use these variables to override the choices made by `configure' or to help
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--
--Report bugs to <bug-grub(a)gnu.org>.
--_ACEOF
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--
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--
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--/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
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--
--
--## ----------- ##
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--_ACEOF
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--
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-- *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-- ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-- esac
-- case $ac_pass in
-- 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
-- 2)
-- ac_configure_args1="$ac_configure_args1 '$ac_arg'"
-- if test $ac_must_keep_next = true; then
-- ac_must_keep_next=false # Got value, back to normal.
-- else
-- case $ac_arg in
-- *=* | --config-cache | -C | -disable-* | --disable-* \
-- | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
-- | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
-- | -with-* | --with-* | -without-* | --without-* | --x)
-- case "$ac_configure_args0 " in
-- "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
-- esac
-- ;;
-- -* ) ac_must_keep_next=true ;;
-- esac
-- fi
-- ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
-- # Get rid of the leading space.
-- ac_sep=" "
-- ;;
-- esac
-- done
--done
--$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
--$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
--
--# When interrupted or exit'd, cleanup temporary files, and complete
--# config.log. We remove comments because anyway the quotes in there
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--# WARNING: Be sure not to use single quotes in there, as some shells,
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--trap 'exit_status=$?
-- # Save into config.log some information that might help in debugging.
-- {
-- echo
--
-- cat <<\_ASBOX
--## ---------------- ##
--## Cache variables. ##
--## ---------------- ##
--_ASBOX
-- echo
-- # The following way of writing the cache mishandles newlines in values,
--{
-- (set) 2>&1 |
-- case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
-- *ac_space=\ *)
-- sed -n \
-- "s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
-- s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
-- ;;
-- *)
-- sed -n \
-- "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
-- ;;
-- esac;
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-- echo
--
-- cat <<\_ASBOX
--## ----------------- ##
--## Output variables. ##
--## ----------------- ##
--_ASBOX
-- echo
-- for ac_var in $ac_subst_vars
-- do
-- eval ac_val=$`echo $ac_var`
-- echo "$ac_var='"'"'$ac_val'"'"'"
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-- echo
--
-- if test -n "$ac_subst_files"; then
-- cat <<\_ASBOX
--## ------------- ##
--## Output files. ##
--## ------------- ##
--_ASBOX
-- echo
-- for ac_var in $ac_subst_files
-- do
-- eval ac_val=$`echo $ac_var`
-- echo "$ac_var='"'"'$ac_val'"'"'"
-- done | sort
-- echo
-- fi
--
-- if test -s confdefs.h; then
-- cat <<\_ASBOX
--## ----------- ##
--## confdefs.h. ##
--## ----------- ##
--_ASBOX
-- echo
-- sed "/^$/d" confdefs.h | sort
-- echo
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-- test "$ac_signal" != 0 &&
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-- echo "$as_me: exit $exit_status"
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-- rm -f core *.core &&
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-- exit $exit_status
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-- trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
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--ac_signal=0
--
--# confdefs.h avoids OS command line length limits that DEFS can exceed.
--rm -rf conftest* confdefs.h
--# AIX cpp loses on an empty file, so make sure it contains at least a newline.
--echo >confdefs.h
--
--# Predefined preprocessor variables.
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE_NAME "$PACKAGE_NAME"
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE_VERSION "$PACKAGE_VERSION"
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE_STRING "$PACKAGE_STRING"
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
--_ACEOF
--
--
--# Let the site file select an alternate cache file if it wants to.
--# Prefer explicitly selected file to automatically selected ones.
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-- CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
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--for ac_site_file in $CONFIG_SITE; do
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-- { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
--echo "$as_me: loading site script $ac_site_file" >&6;}
-- sed 's/^/| /' "$ac_site_file" >&5
-- . "$ac_site_file"
-- fi
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--
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-- # Some versions of bash will fail to source /dev/null (special
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-- if test -f "$cache_file"; then
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--echo "$as_me: loading cache $cache_file" >&6;}
-- case $cache_file in
-- [\\/]* | ?:[\\/]* ) . $cache_file;;
-- *) . ./$cache_file;;
-- esac
-- fi
--else
-- { echo "$as_me:$LINENO: creating cache $cache_file" >&5
--echo "$as_me: creating cache $cache_file" >&6;}
-- >$cache_file
--fi
--
--# Check that the precious variables saved in the cache have kept the same
--# value.
--ac_cache_corrupted=false
--for ac_var in `(set) 2>&1 |
-- sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
-- eval ac_old_set=\$ac_cv_env_${ac_var}_set
-- eval ac_new_set=\$ac_env_${ac_var}_set
-- eval ac_old_val="\$ac_cv_env_${ac_var}_value"
-- eval ac_new_val="\$ac_env_${ac_var}_value"
-- case $ac_old_set,$ac_new_set in
-- set,)
-- { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
--echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
-- ac_cache_corrupted=: ;;
-- ,set)
-- { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
--echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
-- ac_cache_corrupted=: ;;
-- ,);;
-- *)
-- if test "x$ac_old_val" != "x$ac_new_val"; then
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--echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-- { echo "$as_me:$LINENO: former value: $ac_old_val" >&5
--echo "$as_me: former value: $ac_old_val" >&2;}
-- { echo "$as_me:$LINENO: current value: $ac_new_val" >&5
--echo "$as_me: current value: $ac_new_val" >&2;}
-- ac_cache_corrupted=:
-- fi;;
-- esac
-- # Pass precious variables to config.status.
-- if test "$ac_new_set" = set; then
-- case $ac_new_val in
-- *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-- ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
-- *) ac_arg=$ac_var=$ac_new_val ;;
-- esac
-- case " $ac_configure_args " in
-- *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
-- *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
-- esac
-- fi
--done
--if $ac_cache_corrupted; then
-- { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
--echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-- { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
--echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-- ac_config_headers="$ac_config_headers config.h"
--
--am__api_version="1.9"
--ac_aux_dir=
--for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
-- if test -f $ac_dir/install-sh; then
-- ac_aux_dir=$ac_dir
-- ac_install_sh="$ac_aux_dir/install-sh -c"
-- break
-- elif test -f $ac_dir/install.sh; then
-- ac_aux_dir=$ac_dir
-- ac_install_sh="$ac_aux_dir/install.sh -c"
-- break
-- elif test -f $ac_dir/shtool; then
-- ac_aux_dir=$ac_dir
-- ac_install_sh="$ac_aux_dir/shtool install -c"
-- break
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-- { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
--echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;}
-- { (exit 1); exit 1; }; }
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--ac_config_guess="$SHELL $ac_aux_dir/config.guess"
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--
--# Find a good install program. We prefer a C program (faster),
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--# incompatible versions:
--# SysV /etc/install, /usr/sbin/install
--# SunOS /usr/etc/install
--# IRIX /sbin/install
--# AIX /bin/install
--# AmigaOS /C/install, which installs bootblocks on floppy discs
--# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
--# AFS /usr/afsws/bin/install, which mishandles nonexistent args
--# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
--# OS/2's system install, which has a completely different semantic
--# ./install, which can be erroneously created by make from ./install.sh.
--echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
--echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6
--if test -z "$INSTALL"; then
--if test "${ac_cv_path_install+set}" = set; then
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-- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-- /usr/ucb/* ) ;;
-- *)
-- # OSF1 and SCO ODT 3.0 have their own names for install.
-- # Don't use installbsd from OSF since it installs stuff as root
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-- for ac_prog in ginstall scoinst install; do
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-- grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
-- # AIX install. It has an incompatible calling convention.
-- :
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-- # program-specific install script used by HP pwplus--don't use.
-- :
-- else
-- ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-- break 3
-- fi
-- fi
-- done
-- done
-- ;;
--esac
--done
--
--
--fi
-- if test "${ac_cv_path_install+set}" = set; then
-- INSTALL=$ac_cv_path_install
-- else
-- # As a last resort, use the slow shell script. We don't cache a
-- # path for INSTALL within a source directory, because that will
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-- # removed, or if the path is relative.
-- INSTALL=$ac_install_sh
-- fi
--fi
--echo "$as_me:$LINENO: result: $INSTALL" >&5
--echo "${ECHO_T}$INSTALL" >&6
--
--# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
--# It thinks the first close brace ends the variable substitution.
--test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
--
--test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
--
--test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
--
--echo "$as_me:$LINENO: checking whether build environment is sane" >&5
--echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6
--# Just in case
--sleep 1
--echo timestamp > conftest.file
--# Do `set' in a subshell so we don't clobber the current shell's
--# arguments. Must try -L first in case configure is actually a
--# symlink; some systems play weird games with the mod time of symlinks
--# (eg FreeBSD returns the mod time of the symlink's containing
--# directory).
--if (
-- set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
-- if test "$*" = "X"; then
-- # -L didn't work.
-- set X `ls -t $srcdir/configure conftest.file`
-- fi
-- rm -f conftest.file
-- if test "$*" != "X $srcdir/configure conftest.file" \
-- && test "$*" != "X conftest.file $srcdir/configure"; then
--
-- # If neither matched, then we have a broken ls. This can happen
-- # if, for instance, CONFIG_SHELL is bash and it inherits a
-- # broken ls alias from the environment. This has actually
-- # happened. Such a system could not be considered "sane".
-- { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken
--alias in your environment" >&5
--echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken
--alias in your environment" >&2;}
-- { (exit 1); exit 1; }; }
-- fi
--
-- test "$2" = conftest.file
-- )
--then
-- # Ok.
-- :
--else
-- { { echo "$as_me:$LINENO: error: newly created file is older than distributed files!
--Check your system clock" >&5
--echo "$as_me: error: newly created file is older than distributed files!
--Check your system clock" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--echo "$as_me:$LINENO: result: yes" >&5
--echo "${ECHO_T}yes" >&6
--test "$program_prefix" != NONE &&
-- program_transform_name="s,^,$program_prefix,;$program_transform_name"
--# Use a double $ so make ignores it.
--test "$program_suffix" != NONE &&
-- program_transform_name="s,\$,$program_suffix,;$program_transform_name"
--# Double any \ or $. echo might interpret backslashes.
--# By default was `s,x,x', remove it if useless.
--cat <<\_ACEOF >conftest.sed
--s/[\\$]/&&/g;s/;s,x,x,$//
--_ACEOF
--program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
--rm conftest.sed
--
--# expand $ac_aux_dir to an absolute path
--am_aux_dir=`cd $ac_aux_dir && pwd`
--
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--# Use eval to expand $SHELL
--if eval "$MISSING --run true"; then
-- am_missing_run="$MISSING --run "
--else
-- am_missing_run=
-- { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5
--echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
--fi
--
--if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
-- # We used to keeping the `.' as first argument, in order to
-- # allow $(mkdir_p) to be used without argument. As in
-- # $(mkdir_p) $(somedir)
-- # where $(somedir) is conditionally defined. However this is wrong
-- # for two reasons:
-- # 1. if the package is installed by a user who cannot write `.'
-- # make install will fail,
-- # 2. the above comment should most certainly read
-- # $(mkdir_p) $(DESTDIR)$(somedir)
-- # so it does not work when $(somedir) is undefined and
-- # $(DESTDIR) is not.
-- # To support the latter case, we have to write
-- # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
-- # so the `.' trick is pointless.
-- mkdir_p='mkdir -p --'
--else
-- # On NextStep and OpenStep, the `mkdir' command does not
-- # recognize any option. It will interpret all options as
-- # directories to create, and then abort because `.' already
-- # exists.
-- for d in ./-p ./--version;
-- do
-- test -d $d && rmdir $d
-- done
-- # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
-- if test -f "$ac_aux_dir/mkinstalldirs"; then
-- mkdir_p='$(mkinstalldirs)'
-- else
-- mkdir_p='$(install_sh) -d'
-- fi
--fi
--
--for ac_prog in gawk mawk nawk awk
--do
-- # Extract the first word of "$ac_prog", so it can be a program name with args.
--set dummy $ac_prog; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_AWK+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$AWK"; then
-- ac_cv_prog_AWK="$AWK" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_AWK="$ac_prog"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--AWK=$ac_cv_prog_AWK
--if test -n "$AWK"; then
-- echo "$as_me:$LINENO: result: $AWK" >&5
--echo "${ECHO_T}$AWK" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- test -n "$AWK" && break
--done
--
--echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
--echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6
--set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,:./+-,___p_,'`
--if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.make <<\_ACEOF
--all:
-- @echo 'ac_maketemp="$(MAKE)"'
--_ACEOF
--# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
--eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=`
--if test -n "$ac_maketemp"; then
-- eval ac_cv_prog_make_${ac_make}_set=yes
--else
-- eval ac_cv_prog_make_${ac_make}_set=no
--fi
--rm -f conftest.make
--fi
--if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
-- echo "$as_me:$LINENO: result: yes" >&5
--echo "${ECHO_T}yes" >&6
-- SET_MAKE=
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
-- SET_MAKE="MAKE=${MAKE-make}"
--fi
--
--rm -rf .tst 2>/dev/null
--mkdir .tst 2>/dev/null
--if test -d .tst; then
-- am__leading_dot=.
--else
-- am__leading_dot=_
--fi
--rmdir .tst 2>/dev/null
--
--# test to see if srcdir already configured
--if test "`cd $srcdir && pwd`" != "`pwd`" &&
-- test -f $srcdir/config.status; then
-- { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
--echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--# test whether we have cygpath
--if test -z "$CYGPATH_W"; then
-- if (cygpath --version) >/dev/null 2>/dev/null; then
-- CYGPATH_W='cygpath -w'
-- else
-- CYGPATH_W=echo
-- fi
--fi
--
--
--# Define the identity of the package.
-- PACKAGE='grub'
-- VERSION='0.97'
--
--
--cat >>confdefs.h <<_ACEOF
--#define PACKAGE "$PACKAGE"
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define VERSION "$VERSION"
--_ACEOF
--
--# Some tools Automake needs.
--
--ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
--
--
--AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
--
--
--AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
--
--
--AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
--
--
--MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
--
--install_sh=${install_sh-"$am_aux_dir/install-sh"}
--
--# Installed binaries are usually stripped using `strip' when the user
--# run `make install-strip'. However `strip' might not be the right
--# tool to use in cross-compilation environments, therefore Automake
--# will honor the `STRIP' environment variable to overrule this program.
--if test "$cross_compiling" != no; then
-- if test -n "$ac_tool_prefix"; then
-- # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
--set dummy ${ac_tool_prefix}strip; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_STRIP+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$STRIP"; then
-- ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--STRIP=$ac_cv_prog_STRIP
--if test -n "$STRIP"; then
-- echo "$as_me:$LINENO: result: $STRIP" >&5
--echo "${ECHO_T}$STRIP" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$ac_cv_prog_STRIP"; then
-- ac_ct_STRIP=$STRIP
-- # Extract the first word of "strip", so it can be a program name with args.
--set dummy strip; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_STRIP"; then
-- ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_STRIP="strip"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
-- test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":"
--fi
--fi
--ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
--if test -n "$ac_ct_STRIP"; then
-- echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
--echo "${ECHO_T}$ac_ct_STRIP" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- STRIP=$ac_ct_STRIP
--else
-- STRIP="$ac_cv_prog_STRIP"
--fi
--
--fi
--INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
--
--# We need awk for the "check" target. The system "awk" is bad on
--# some platforms.
--# Always define AMTAR for backward compatibility.
--
--AMTAR=${AMTAR-"${am_missing_run}tar"}
--
--am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
--
--
--
--
--
--
--# Make sure we can run config.sub.
--$ac_config_sub sun4 >/dev/null 2>&1 ||
-- { { echo "$as_me:$LINENO: error: cannot run $ac_config_sub" >&5
--echo "$as_me: error: cannot run $ac_config_sub" >&2;}
-- { (exit 1); exit 1; }; }
--
--echo "$as_me:$LINENO: checking build system type" >&5
--echo $ECHO_N "checking build system type... $ECHO_C" >&6
--if test "${ac_cv_build+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_cv_build_alias=$build_alias
--test -z "$ac_cv_build_alias" &&
-- ac_cv_build_alias=`$ac_config_guess`
--test -z "$ac_cv_build_alias" &&
-- { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
--echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
-- { (exit 1); exit 1; }; }
--ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
-- { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_build_alias failed" >&5
--echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed" >&2;}
-- { (exit 1); exit 1; }; }
--
--fi
--echo "$as_me:$LINENO: result: $ac_cv_build" >&5
--echo "${ECHO_T}$ac_cv_build" >&6
--build=$ac_cv_build
--build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
--build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
--build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
--
--
--echo "$as_me:$LINENO: checking host system type" >&5
--echo $ECHO_N "checking host system type... $ECHO_C" >&6
--if test "${ac_cv_host+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_cv_host_alias=$host_alias
--test -z "$ac_cv_host_alias" &&
-- ac_cv_host_alias=$ac_cv_build_alias
--ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
-- { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_host_alias failed" >&5
--echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;}
-- { (exit 1); exit 1; }; }
--
--fi
--echo "$as_me:$LINENO: result: $ac_cv_host" >&5
--echo "${ECHO_T}$ac_cv_host" >&6
--host=$ac_cv_host
--host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
--host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
--host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
--
--
--
--case "$host_cpu" in
--i[3456]86) host_cpu=i386 ;;
--x86_64) host_cpu=x86_64 ;;
--*) { { echo "$as_me:$LINENO: error: unsupported CPU type" >&5
--echo "$as_me: error: unsupported CPU type" >&2;}
-- { (exit 1); exit 1; }; } ;;
--esac
--
--
--
--
--#
--# Options
--#
--
--echo "$as_me:$LINENO: checking whether to enable maintainer-specific portions of Makefiles" >&5
--echo $ECHO_N "checking whether to enable maintainer-specific portions of Makefiles... $ECHO_C" >&6
-- # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
--if test "${enable_maintainer_mode+set}" = set; then
-- enableval="$enable_maintainer_mode"
-- USE_MAINTAINER_MODE=$enableval
--else
-- USE_MAINTAINER_MODE=no
--fi;
-- echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5
--echo "${ECHO_T}$USE_MAINTAINER_MODE" >&6
--
--
--if test $USE_MAINTAINER_MODE = yes; then
-- MAINTAINER_MODE_TRUE=
-- MAINTAINER_MODE_FALSE='#'
--else
-- MAINTAINER_MODE_TRUE='#'
-- MAINTAINER_MODE_FALSE=
--fi
--
-- MAINT=$MAINTAINER_MODE_TRUE
--
--
--if test "x$enable_maintainer_mode" = xyes; then
-- # Extract the first word of "perl", so it can be a program name with args.
--set dummy perl; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_path_PERL+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- case $PERL in
-- [\\/]* | ?:[\\/]*)
-- ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
-- ;;
-- *)
-- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
-- ;;
--esac
--fi
--PERL=$ac_cv_path_PERL
--
--if test -n "$PERL"; then
-- echo "$as_me:$LINENO: result: $PERL" >&5
--echo "${ECHO_T}$PERL" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- if test -z "$PERL"; then
-- { { echo "$as_me:$LINENO: error: perl not found" >&5
--echo "$as_me: error: perl not found" >&2;}
-- { (exit 1); exit 1; }; }
-- fi
--fi
--
--# This should be checked before AC_PROG_CC
--if test "x$CFLAGS" = x; then
-- default_CFLAGS=yes
--fi
--
--if test "x$host_cpu" = xx86_64; then
-- CFLAGS="-m32 $CFLAGS"
--fi
--
--#
--# Programs
--#
--
--if test -n "$ac_tool_prefix"; then
-- # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
--set dummy ${ac_tool_prefix}gcc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$CC"; then
-- ac_cv_prog_CC="$CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_CC="${ac_tool_prefix}gcc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--CC=$ac_cv_prog_CC
--if test -n "$CC"; then
-- echo "$as_me:$LINENO: result: $CC" >&5
--echo "${ECHO_T}$CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$ac_cv_prog_CC"; then
-- ac_ct_CC=$CC
-- # Extract the first word of "gcc", so it can be a program name with args.
--set dummy gcc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_CC"; then
-- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_CC="gcc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--ac_ct_CC=$ac_cv_prog_ac_ct_CC
--if test -n "$ac_ct_CC"; then
-- echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
--echo "${ECHO_T}$ac_ct_CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- CC=$ac_ct_CC
--else
-- CC="$ac_cv_prog_CC"
--fi
--
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--if test -n "$ac_tool_prefix"; then
-- # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
--set dummy ${ac_tool_prefix}gcc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$CC"; then
-- ac_cv_prog_CC="$CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_CC="${ac_tool_prefix}gcc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--CC=$ac_cv_prog_CC
--if test -n "$CC"; then
-- echo "$as_me:$LINENO: result: $CC" >&5
--echo "${ECHO_T}$CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$ac_cv_prog_CC"; then
-- ac_ct_CC=$CC
-- # Extract the first word of "gcc", so it can be a program name with args.
--set dummy gcc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_CC"; then
-- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_CC="gcc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--ac_ct_CC=$ac_cv_prog_ac_ct_CC
--if test -n "$ac_ct_CC"; then
-- echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
--echo "${ECHO_T}$ac_ct_CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- CC=$ac_ct_CC
--else
-- CC="$ac_cv_prog_CC"
--fi
--
--if test -z "$CC"; then
-- if test -n "$ac_tool_prefix"; then
-- # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
--set dummy ${ac_tool_prefix}cc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$CC"; then
-- ac_cv_prog_CC="$CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_CC="${ac_tool_prefix}cc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--CC=$ac_cv_prog_CC
--if test -n "$CC"; then
-- echo "$as_me:$LINENO: result: $CC" >&5
--echo "${ECHO_T}$CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$ac_cv_prog_CC"; then
-- ac_ct_CC=$CC
-- # Extract the first word of "cc", so it can be a program name with args.
--set dummy cc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_CC"; then
-- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_CC="cc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--ac_ct_CC=$ac_cv_prog_ac_ct_CC
--if test -n "$ac_ct_CC"; then
-- echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
--echo "${ECHO_T}$ac_ct_CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- CC=$ac_ct_CC
--else
-- CC="$ac_cv_prog_CC"
--fi
--
--fi
--if test -z "$CC"; then
-- # Extract the first word of "cc", so it can be a program name with args.
--set dummy cc; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$CC"; then
-- ac_cv_prog_CC="$CC" # Let the user override the test.
--else
-- ac_prog_rejected=no
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
-- ac_prog_rejected=yes
-- continue
-- fi
-- ac_cv_prog_CC="cc"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--if test $ac_prog_rejected = yes; then
-- # We found a bogon in the path, so make sure we never use it.
-- set dummy $ac_cv_prog_CC
-- shift
-- if test $# != 0; then
-- # We chose a different compiler from the bogus one.
-- # However, it has the same basename, so the bogon will be chosen
-- # first if we set CC to just the basename; use the full file name.
-- shift
-- ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
-- fi
--fi
--fi
--fi
--CC=$ac_cv_prog_CC
--if test -n "$CC"; then
-- echo "$as_me:$LINENO: result: $CC" >&5
--echo "${ECHO_T}$CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$CC"; then
-- if test -n "$ac_tool_prefix"; then
-- for ac_prog in cl
-- do
-- # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
--set dummy $ac_tool_prefix$ac_prog; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$CC"; then
-- ac_cv_prog_CC="$CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--CC=$ac_cv_prog_CC
--if test -n "$CC"; then
-- echo "$as_me:$LINENO: result: $CC" >&5
--echo "${ECHO_T}$CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- test -n "$CC" && break
-- done
--fi
--if test -z "$CC"; then
-- ac_ct_CC=$CC
-- for ac_prog in cl
--do
-- # Extract the first word of "$ac_prog", so it can be a program name with args.
--set dummy $ac_prog; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_CC"; then
-- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_CC="$ac_prog"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--ac_ct_CC=$ac_cv_prog_ac_ct_CC
--if test -n "$ac_ct_CC"; then
-- echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
--echo "${ECHO_T}$ac_ct_CC" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- test -n "$ac_ct_CC" && break
--done
--
-- CC=$ac_ct_CC
--fi
--
--fi
--
--
--test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
--See \`config.log' for more details." >&5
--echo "$as_me: error: no acceptable C compiler found in \$PATH
--See \`config.log' for more details." >&2;}
-- { (exit 1); exit 1; }; }
--
--# Provide some information about the compiler.
--echo "$as_me:$LINENO:" \
-- "checking for C compiler version" >&5
--ac_compiler=`set X $ac_compile; echo $2`
--{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
-- (eval $ac_compiler --version </dev/null >&5) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }
--{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
-- (eval $ac_compiler -v </dev/null >&5) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }
--{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
-- (eval $ac_compiler -V </dev/null >&5) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }
--
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--ac_clean_files_save=$ac_clean_files
--ac_clean_files="$ac_clean_files a.out a.exe b.out"
--# Try to create an executable without -o first, disregard a.out.
--# It will help us diagnose broken compilers, and finding out an intuition
--# of exeext.
--echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
--echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
--ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
--if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
-- (eval $ac_link_default) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; then
-- # Find the output, starting from the most likely. This scheme is
--# not robust to junk in `.', hence go to wildcards (a.*) only as a last
--# resort.
--
--# Be careful to initialize this variable, since it used to be cached.
--# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
--ac_cv_exeext=
--# b.out is created by i960 compilers.
--for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out
--do
-- test -f "$ac_file" || continue
-- case $ac_file in
-- *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
-- ;;
-- conftest.$ac_ext )
-- # This is the source file.
-- ;;
-- [ab].out )
-- # We found the default executable, but exeext='' is most
-- # certainly right.
-- break;;
-- *.* )
-- ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-- # FIXME: I believe we export ac_cv_exeext for Libtool,
-- # but it would be cool to find out if it's true. Does anybody
-- # maintain Libtool? --akim.
-- export ac_cv_exeext
-- break;;
-- * )
-- break;;
-- esac
--done
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
--See \`config.log' for more details." >&5
--echo "$as_me: error: C compiler cannot create executables
--See \`config.log' for more details." >&2;}
-- { (exit 77); exit 77; }; }
--fi
--
--ac_exeext=$ac_cv_exeext
--echo "$as_me:$LINENO: result: $ac_file" >&5
--echo "${ECHO_T}$ac_file" >&6
--
--# Check the compiler produces executables we can run. If not, either
--# the compiler is broken, or we cross compile.
--echo "$as_me:$LINENO: checking whether the C compiler works" >&5
--echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
--# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
--# If not cross compiling, check that we can run a simple program.
--if test "$cross_compiling" != yes; then
-- if { ac_try='./$ac_file'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- cross_compiling=no
-- else
-- if test "$cross_compiling" = maybe; then
-- cross_compiling=yes
-- else
-- { { echo "$as_me:$LINENO: error: cannot run C compiled programs.
--If you meant to cross compile, use \`--host'.
--See \`config.log' for more details." >&5
--echo "$as_me: error: cannot run C compiled programs.
--If you meant to cross compile, use \`--host'.
--See \`config.log' for more details." >&2;}
-- { (exit 1); exit 1; }; }
-- fi
-- fi
--fi
--echo "$as_me:$LINENO: result: yes" >&5
--echo "${ECHO_T}yes" >&6
--
--rm -f a.out a.exe conftest$ac_cv_exeext b.out
--ac_clean_files=$ac_clean_files_save
--# Check the compiler produces executables we can run. If not, either
--# the compiler is broken, or we cross compile.
--echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
--echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
--echo "$as_me:$LINENO: result: $cross_compiling" >&5
--echo "${ECHO_T}$cross_compiling" >&6
--
--echo "$as_me:$LINENO: checking for suffix of executables" >&5
--echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; then
-- # If both `conftest.exe' and `conftest' are `present' (well, observable)
--# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
--# work properly (i.e., refer to `conftest.exe'), while it won't with
--# `rm'.
--for ac_file in conftest.exe conftest conftest.*; do
-- test -f "$ac_file" || continue
-- case $ac_file in
-- *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
-- *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-- export ac_cv_exeext
-- break;;
-- * ) break;;
-- esac
--done
--else
-- { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
--See \`config.log' for more details." >&5
--echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
--See \`config.log' for more details." >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--rm -f conftest$ac_cv_exeext
--echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
--echo "${ECHO_T}$ac_cv_exeext" >&6
--
--rm -f conftest.$ac_ext
--EXEEXT=$ac_cv_exeext
--ac_exeext=$EXEEXT
--echo "$as_me:$LINENO: checking for suffix of object files" >&5
--echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
--if test "${ac_cv_objext+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.o conftest.obj
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; then
-- for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
-- case $ac_file in
-- *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;
-- *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
-- break;;
-- esac
--done
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
--See \`config.log' for more details." >&5
--echo "$as_me: error: cannot compute suffix of object files: cannot compile
--See \`config.log' for more details." >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--rm -f conftest.$ac_cv_objext conftest.$ac_ext
--fi
--echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
--echo "${ECHO_T}$ac_cv_objext" >&6
--OBJEXT=$ac_cv_objext
--ac_objext=$OBJEXT
--echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
--echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
--if test "${ac_cv_c_compiler_gnu+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--#ifndef __GNUC__
-- choke me
--#endif
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_compiler_gnu=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_compiler_gnu=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--ac_cv_c_compiler_gnu=$ac_compiler_gnu
--
--fi
--echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
--echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
--GCC=`test $ac_compiler_gnu = yes && echo yes`
--ac_test_CFLAGS=${CFLAGS+set}
--ac_save_CFLAGS=$CFLAGS
--CFLAGS="-g"
--echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
--echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
--if test "${ac_cv_prog_cc_g+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_prog_cc_g=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_prog_cc_g=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--fi
--echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
--echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
--if test "$ac_test_CFLAGS" = set; then
-- CFLAGS=$ac_save_CFLAGS
--elif test $ac_cv_prog_cc_g = yes; then
-- if test "$GCC" = yes; then
-- CFLAGS="-g -O2"
-- else
-- CFLAGS="-g"
-- fi
--else
-- if test "$GCC" = yes; then
-- CFLAGS="-O2"
-- else
-- CFLAGS=
-- fi
--fi
--echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
--echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
--if test "${ac_cv_prog_cc_stdc+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_cv_prog_cc_stdc=no
--ac_save_CC=$CC
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <stdarg.h>
--#include <stdio.h>
--#include <sys/types.h>
--#include <sys/stat.h>
--/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
--struct buf { int x; };
--FILE * (*rcsopen) (struct buf *, struct stat *, int);
--static char *e (p, i)
-- char **p;
-- int i;
--{
-- return p[i];
--}
--static char *f (char * (*g) (char **, int), char **p, ...)
--{
-- char *s;
-- va_list v;
-- va_start (v,p);
-- s = g (p, va_arg (v,int));
-- va_end (v);
-- return s;
--}
--
--/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
-- function prototypes and stuff, but not '\xHH' hex character constants.
-- These don't provoke an error unfortunately, instead are silently treated
-- as 'x'. The following induces an error, until -std1 is added to get
-- proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
-- array size at least. It's necessary to write '\x00'==0 to get something
-- that's true only with -std1. */
--int osf4_cc_array ['\x00' == 0 ? 1 : -1];
--
--int test (int i, double x);
--struct s1 {int (*f) (int a);};
--struct s2 {int (*f) (double a);};
--int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
--int argc;
--char **argv;
--int
--main ()
--{
--return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
-- ;
-- return 0;
--}
--_ACEOF
--# Don't try gcc -ansi; that turns off useful extensions and
--# breaks some systems' header files.
--# AIX -qlanglvl=ansi
--# Ultrix and OSF/1 -std1
--# HP-UX 10.20 and later -Ae
--# HP-UX older versions -Aa -D_HPUX_SOURCE
--# SVR4 -Xc -D__EXTENSIONS__
--for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
--do
-- CC="$ac_save_CC $ac_arg"
-- rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_prog_cc_stdc=$ac_arg
--break
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--fi
--rm -f conftest.err conftest.$ac_objext
--done
--rm -f conftest.$ac_ext conftest.$ac_objext
--CC=$ac_save_CC
--
--fi
--
--case "x$ac_cv_prog_cc_stdc" in
-- x|xno)
-- echo "$as_me:$LINENO: result: none needed" >&5
--echo "${ECHO_T}none needed" >&6 ;;
-- *)
-- echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
--echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
-- CC="$CC $ac_cv_prog_cc_stdc" ;;
--esac
--
--# Some people use a C++ compiler to compile C. Since we use `exit',
--# in C++ we need to declare it. In case someone uses the same compiler
--# for both compiling C and C++ we need to have the C++ compiler decide
--# the declaration of exit, since it's the most demanding environment.
--cat >conftest.$ac_ext <<_ACEOF
--#ifndef __cplusplus
-- choke me
--#endif
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- for ac_declaration in \
-- '' \
-- 'extern "C" void std::exit (int) throw (); using std::exit;' \
-- 'extern "C" void std::exit (int); using std::exit;' \
-- 'extern "C" void exit (int) throw ();' \
-- 'extern "C" void exit (int);' \
-- 'void exit (int);'
--do
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--$ac_declaration
--#include <stdlib.h>
--int
--main ()
--{
--exit (42);
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- :
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--continue
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--$ac_declaration
--int
--main ()
--{
--exit (42);
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
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--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- undef_flag=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--undef_flag=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-- CPPFLAGS="$saved_CPPFLAGS"
--
--fi
--echo "$as_me:$LINENO: result: $undef_flag" >&5
--echo "${ECHO_T}$undef_flag" >&6
--
--# The options `-falign-*' are supported by gcc 3.0 or later.
--# Probably it is sufficient to only check for -falign-loops.
--echo "$as_me:$LINENO: checking whether -falign-loops works" >&5
--echo $ECHO_N "checking whether -falign-loops works... $ECHO_C" >&6
--if test "${falign_loop_flag+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--
-- saved_CPPFLAGS="$CPPFLAGS"
-- CPPFLAGS="-falign-loops=1"
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- falign_loop_flag=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--falign_loop_flag=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-- CPPFLAGS="$saved_CPPFLAGS"
--
--fi
--echo "$as_me:$LINENO: result: $falign_loop_flag" >&5
--echo "${ECHO_T}$falign_loop_flag" >&6
--
--# Force no alignment to save space.
--if test "x$falign_loop_flag" = xyes; then
-- CPPFLAGS="$CPPFLAGS -falign-jumps=1 -falign-loops=1 -falign-functions=1"
--else
-- CPPFLAGS="$CPPFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
--fi
--
--if test "x$undef_flag" = xyes; then
-- CPPFLAGS="$CPPFLAGS -Wundef"
--fi
--
--if test "x$with_binutils" != x; then
-- # Extract the first word of "objcopy", so it can be a program name with args.
--set dummy objcopy; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_path_OBJCOPY+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- case $OBJCOPY in
-- [\\/]* | ?:[\\/]*)
-- ac_cv_path_OBJCOPY="$OBJCOPY" # Let the user override the test with a path.
-- ;;
-- *)
-- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--as_dummy=""$with_binutils:$PATH""
--for as_dir in $as_dummy
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_path_OBJCOPY="$as_dir/$ac_word$ac_exec_ext"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
-- ;;
--esac
--fi
--OBJCOPY=$ac_cv_path_OBJCOPY
--
--if test -n "$OBJCOPY"; then
-- echo "$as_me:$LINENO: result: $OBJCOPY" >&5
--echo "${ECHO_T}$OBJCOPY" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--else
-- if test -n "$ac_tool_prefix"; then
-- # Extract the first word of "${ac_tool_prefix}objcopy", so it can be a program name with args.
--set dummy ${ac_tool_prefix}objcopy; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_OBJCOPY+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$OBJCOPY"; then
-- ac_cv_prog_OBJCOPY="$OBJCOPY" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_OBJCOPY="${ac_tool_prefix}objcopy"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--OBJCOPY=$ac_cv_prog_OBJCOPY
--if test -n "$OBJCOPY"; then
-- echo "$as_me:$LINENO: result: $OBJCOPY" >&5
--echo "${ECHO_T}$OBJCOPY" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
--fi
--if test -z "$ac_cv_prog_OBJCOPY"; then
-- ac_ct_OBJCOPY=$OBJCOPY
-- # Extract the first word of "objcopy", so it can be a program name with args.
--set dummy objcopy; ac_word=$2
--echo "$as_me:$LINENO: checking for $ac_word" >&5
--echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
--if test "${ac_cv_prog_ac_ct_OBJCOPY+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if test -n "$ac_ct_OBJCOPY"; then
-- ac_cv_prog_ac_ct_OBJCOPY="$ac_ct_OBJCOPY" # Let the user override the test.
--else
--as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
--for as_dir in $PATH
--do
-- IFS=$as_save_IFS
-- test -z "$as_dir" && as_dir=.
-- for ac_exec_ext in '' $ac_executable_extensions; do
-- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-- ac_cv_prog_ac_ct_OBJCOPY="objcopy"
-- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-- break 2
-- fi
--done
--done
--
--fi
--fi
--ac_ct_OBJCOPY=$ac_cv_prog_ac_ct_OBJCOPY
--if test -n "$ac_ct_OBJCOPY"; then
-- echo "$as_me:$LINENO: result: $ac_ct_OBJCOPY" >&5
--echo "${ECHO_T}$ac_ct_OBJCOPY" >&6
--else
-- echo "$as_me:$LINENO: result: no" >&5
--echo "${ECHO_T}no" >&6
--fi
--
-- OBJCOPY=$ac_ct_OBJCOPY
--else
-- OBJCOPY="$ac_cv_prog_OBJCOPY"
--fi
--
--fi
--
--# Defined in acinclude.m4.
--
--echo "$as_me:$LINENO: checking if C symbols get an underscore after compilation" >&5
--echo $ECHO_N "checking if C symbols get an underscore after compilation... $ECHO_C" >&6
--if test "${grub_cv_asm_uscore+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat > conftest.c <<\EOF
--int
--func (int *list)
--{
-- *list = 0;
-- return *list;
--}
--EOF
--
--if { ac_try='${CC-cc} ${CFLAGS} -S conftest.c'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } && test -s conftest.s; then
-- true
--else
-- { { echo "$as_me:$LINENO: error: ${CC-cc} failed to produce assembly code" >&5
--echo "$as_me: error: ${CC-cc} failed to produce assembly code" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--if grep _func conftest.s >/dev/null 2>&1; then
-- grub_cv_asm_uscore=yes
--else
-- grub_cv_asm_uscore=no
--fi
--
--rm -f conftest*
--fi
--
--
--if test "x$grub_cv_asm_uscore" = xyes; then
--
--cat >>confdefs.h <<_ACEOF
--#define HAVE_ASM_USCORE $grub_cv_asm_uscore
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_asm_uscore" >&5
--echo "${ECHO_T}$grub_cv_asm_uscore" >&6
--
--echo "$as_me:$LINENO: checking whether ${OBJCOPY} works for absolute addresses" >&5
--echo $ECHO_N "checking whether ${OBJCOPY} works for absolute addresses... $ECHO_C" >&6
--if test "${grub_cv_prog_objcopy_absolute+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat > conftest.c <<\EOF
--void
--cmain (void)
--{
-- *((int *) 0x1000) = 2;
--}
--EOF
--
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } && test -s conftest.o; then :
--else
-- { { echo "$as_me:$LINENO: error: ${CC-cc} cannot compile C source code" >&5
--echo "$as_me: error: ${CC-cc} cannot compile C source code" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--grub_cv_prog_objcopy_absolute=yes
--for link_addr in 2000 8000 7C00; do
-- if { ac_try='${CC-cc} ${CFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr conftest.o -o conftest.exec'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then :
-- else
-- { { echo "$as_me:$LINENO: error: ${CC-cc} cannot link at address $link_addr" >&5
--echo "$as_me: error: ${CC-cc} cannot link at address $link_addr" >&2;}
-- { (exit 1); exit 1; }; }
-- fi
-- if { ac_try='${OBJCOPY-objcopy} -O binary conftest.exec conftest'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then :
-- else
-- { { echo "$as_me:$LINENO: error: ${OBJCOPY-objcopy} cannot create binary files" >&5
--echo "$as_me: error: ${OBJCOPY-objcopy} cannot create binary files" >&2;}
-- { (exit 1); exit 1; }; }
-- fi
-- if test ! -f conftest.old || { ac_try='cmp -s conftest.old conftest'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- mv -f conftest conftest.old
-- else
-- grub_cv_prog_objcopy_absolute=no
-- break
-- fi
--done
--rm -f conftest*
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_prog_objcopy_absolute" >&5
--echo "${ECHO_T}$grub_cv_prog_objcopy_absolute" >&6
--if test "x$grub_cv_prog_objcopy_absolute" != xyes; then
-- { { echo "$as_me:$LINENO: error: GRUB requires a working absolute objcopy; upgrade your binutils" >&5
--echo "$as_me: error: GRUB requires a working absolute objcopy; upgrade your binutils" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--
--echo "$as_me:$LINENO: checking whether addr32 must be in the same line as the instruction" >&5
--echo $ECHO_N "checking whether addr32 must be in the same line as the instruction... $ECHO_C" >&6
--if test "${grub_cv_asm_prefix_requirement+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat > conftest.s <<\EOF
-- .code16
--l1: addr32 movb %al, l1
--EOF
--
--if { ac_try='${CC-cc} ${CFLAGS} -c conftest.s'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } && test -s conftest.o; then
-- grub_cv_asm_prefix_requirement=yes
--else
-- grub_cv_asm_prefix_requirement=no
--fi
--
--rm -f conftest*
--fi
--
--
--if test "x$grub_cv_asm_prefix_requirement" = xyes; then
-- grub_tmp_addr32="addr32"
-- grub_tmp_data32="data32"
--else
-- grub_tmp_addr32="addr32;"
-- grub_tmp_data32="data32;"
--fi
--
--
--cat >>confdefs.h <<_ACEOF
--#define ADDR32 $grub_tmp_addr32
--_ACEOF
--
--
--cat >>confdefs.h <<_ACEOF
--#define DATA32 $grub_tmp_data32
--_ACEOF
--
--
--echo "$as_me:$LINENO: result: $grub_cv_asm_prefix_requirement" >&5
--echo "${ECHO_T}$grub_cv_asm_prefix_requirement" >&6
--
--
--
--echo "$as_me:$LINENO: checking for .code16 addr32 assembler support" >&5
--echo $ECHO_N "checking for .code16 addr32 assembler support... $ECHO_C" >&6
--if test "${grub_cv_asm_addr32+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat > conftest.s.in <<\EOF
-- .code16
--l1: @ADDR32@ movb %al, l1
--EOF
--
--if test "x$grub_cv_asm_prefix_requirement" = xyes; then
-- sed -e s/@ADDR32@/addr32/ < conftest.s.in > conftest.s
--else
-- sed -e s/@ADDR32@/addr32\;/ < conftest.s.in > conftest.s
--fi
--
--if { ac_try='${CC-cc} ${CFLAGS} -c conftest.s'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } && test -s conftest.o; then
-- grub_cv_asm_addr32=yes
--else
-- grub_cv_asm_addr32=no
--fi
--
--rm -f conftest*
--fi
--
--
--echo "$as_me:$LINENO: result: $grub_cv_asm_addr32" >&5
--echo "${ECHO_T}$grub_cv_asm_addr32" >&6
--if test "x$grub_cv_asm_addr32" != xyes; then
-- { { echo "$as_me:$LINENO: error: GRUB requires GAS .code16 addr32 support; upgrade your binutils" >&5
--echo "$as_me: error: GRUB requires GAS .code16 addr32 support; upgrade your binutils" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--
--echo "$as_me:$LINENO: checking whether an absolute indirect call/jump must not be prefixed with an asterisk" >&5
--echo $ECHO_N "checking whether an absolute indirect call/jump must not be prefixed with an asterisk... $ECHO_C" >&6
--if test "${grub_cv_asm_absolute_without_asterisk+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat > conftest.s <<\EOF
-- lcall *(offset)
--offset:
-- .long 0
-- .word 0
--EOF
--
--if { ac_try='${CC-cc} ${CFLAGS} -c conftest.s'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } && test -s conftest.o; then
-- grub_cv_asm_absolute_without_asterisk=no
--else
-- grub_cv_asm_absolute_without_asterisk=yes
--fi
--
--rm -f conftest*
--fi
--
--
--if test "x$grub_cv_asm_absolute_without_asterisk" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define ABSOLUTE_WITHOUT_ASTERISK 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_asm_absolute_without_asterisk" >&5
--echo "${ECHO_T}$grub_cv_asm_absolute_without_asterisk" >&6
--
--
--echo "$as_me:$LINENO: checking if start is defined by the compiler" >&5
--echo $ECHO_N "checking if start is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_start_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl start")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_start_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_start_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_start_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_START_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_start_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_start_symbol" >&6
--
--
--echo "$as_me:$LINENO: checking if _start is defined by the compiler" >&5
--echo $ECHO_N "checking if _start is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_uscore_start_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl _start")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_uscore_start_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_uscore_start_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_uscore_start_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_USCORE_START_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_uscore_start_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_uscore_start_symbol" >&6
--
--if test "x$grub_cv_check_start_symbol" != "xyes" \
-- -a "x$grub_cv_check_uscore_start_symbol" != "xyes"; then
-- { { echo "$as_me:$LINENO: error: Neither start nor _start is defined" >&5
--echo "$as_me: error: Neither start nor _start is defined" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--
--echo "$as_me:$LINENO: checking if __bss_start is defined by the compiler" >&5
--echo $ECHO_N "checking if __bss_start is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_uscore_uscore_bss_start_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl __bss_start")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_uscore_uscore_bss_start_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_uscore_uscore_bss_start_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_USCORE_USCORE_BSS_START_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_uscore_uscore_bss_start_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_uscore_uscore_bss_start_symbol" >&6
--
--
--echo "$as_me:$LINENO: checking if _edata is defined by the compiler" >&5
--echo $ECHO_N "checking if _edata is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_uscore_edata_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl _edata")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_uscore_edata_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_uscore_edata_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_uscore_edata_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_USCORE_EDATA_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_uscore_edata_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_uscore_edata_symbol" >&6
--
--
--echo "$as_me:$LINENO: checking if edata is defined by the compiler" >&5
--echo $ECHO_N "checking if edata is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_edata_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl edata")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_edata_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_edata_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_edata_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_EDATA_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_edata_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_edata_symbol" >&6
--
--if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" != "xyes" \
-- -a "x$grub_cv_check_uscore_edata_symbol" != "xyes" \
-- -a "x$grub_cv_check_edata_symbol" != "xyes"; then
-- { { echo "$as_me:$LINENO: error: None of __bss_start, _edata, edata defined" >&5
--echo "$as_me: error: None of __bss_start, _edata, edata defined" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--
--echo "$as_me:$LINENO: checking if end is defined by the compiler" >&5
--echo $ECHO_N "checking if end is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_end_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl end")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_end_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_end_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_end_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_END_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_end_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_end_symbol" >&6
--
--
--echo "$as_me:$LINENO: checking if _end is defined by the compiler" >&5
--echo $ECHO_N "checking if _end is defined by the compiler... $ECHO_C" >&6
--if test "${grub_cv_check_uscore_end_symbol+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--int
--main ()
--{
--asm ("incl _end")
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- grub_cv_check_uscore_end_symbol=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--grub_cv_check_uscore_end_symbol=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--fi
--
--
--if test "x$grub_cv_check_uscore_end_symbol" = xyes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_USCORE_END_SYMBOL 1
--_ACEOF
--
--fi
--
--echo "$as_me:$LINENO: result: $grub_cv_check_uscore_end_symbol" >&5
--echo "${ECHO_T}$grub_cv_check_uscore_end_symbol" >&6
--
--if test "x$grub_cv_check_end_symbol" != "xyes" \
-- -a "x$grub_cv_check_uscore_end_symbol" != "xyes"; then
-- { { echo "$as_me:$LINENO: error: Neither end nor _end is defined" >&5
--echo "$as_me: error: Neither end nor _end is defined" >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--# Check for curses libraries.
--
--# Check whether --with-curses or --without-curses was given.
--if test "${with_curses+set}" = set; then
-- withval="$with_curses"
--
--fi;
--
--# Get the filename or the whole disk and open it.
--# Known to work on NetBSD.
--echo "$as_me:$LINENO: checking for opendisk in -lutil" >&5
--echo $ECHO_N "checking for opendisk in -lutil... $ECHO_C" >&6
--if test "${ac_cv_lib_util_opendisk+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_check_lib_save_LIBS=$LIBS
--LIBS="-lutil $LIBS"
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--/* Override any gcc2 internal prototype to avoid an error. */
--#ifdef __cplusplus
--extern "C"
--#endif
--/* We use char because int might match the return type of a gcc2
-- builtin and then its argument prototype would still apply. */
--char opendisk ();
--int
--main ()
--{
--opendisk ();
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_lib_util_opendisk=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_lib_util_opendisk=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--LIBS=$ac_check_lib_save_LIBS
--fi
--echo "$as_me:$LINENO: result: $ac_cv_lib_util_opendisk" >&5
--echo "${ECHO_T}$ac_cv_lib_util_opendisk" >&6
--if test $ac_cv_lib_util_opendisk = yes; then
-- GRUB_LIBS="$GRUB_LIBS -lutil"
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_OPENDISK 1
--_ACEOF
--
--fi
--
--
--# Unless the user specify --without-curses, check for curses.
--if test "x$with_curses" != "xno"; then
-- echo "$as_me:$LINENO: checking for wgetch in -lncurses" >&5
--echo $ECHO_N "checking for wgetch in -lncurses... $ECHO_C" >&6
--if test "${ac_cv_lib_ncurses_wgetch+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_check_lib_save_LIBS=$LIBS
--LIBS="-lncurses $LIBS"
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--/* Override any gcc2 internal prototype to avoid an error. */
--#ifdef __cplusplus
--extern "C"
--#endif
--/* We use char because int might match the return type of a gcc2
-- builtin and then its argument prototype would still apply. */
--char wgetch ();
--int
--main ()
--{
--wgetch ();
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_lib_ncurses_wgetch=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_lib_ncurses_wgetch=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--LIBS=$ac_check_lib_save_LIBS
--fi
--echo "$as_me:$LINENO: result: $ac_cv_lib_ncurses_wgetch" >&5
--echo "${ECHO_T}$ac_cv_lib_ncurses_wgetch" >&6
--if test $ac_cv_lib_ncurses_wgetch = yes; then
-- GRUB_LIBS="$GRUB_LIBS -lncurses"
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_LIBCURSES 1
--_ACEOF
--
--else
-- echo "$as_me:$LINENO: checking for wgetch in -lcurses" >&5
--echo $ECHO_N "checking for wgetch in -lcurses... $ECHO_C" >&6
--if test "${ac_cv_lib_curses_wgetch+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- ac_check_lib_save_LIBS=$LIBS
--LIBS="-lcurses $LIBS"
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--
--/* Override any gcc2 internal prototype to avoid an error. */
--#ifdef __cplusplus
--extern "C"
--#endif
--/* We use char because int might match the return type of a gcc2
-- builtin and then its argument prototype would still apply. */
--char wgetch ();
--int
--main ()
--{
--wgetch ();
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_lib_curses_wgetch=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_lib_curses_wgetch=no
--fi
--rm -f conftest.err conftest.$ac_objext \
-- conftest$ac_exeext conftest.$ac_ext
--LIBS=$ac_check_lib_save_LIBS
--fi
--echo "$as_me:$LINENO: result: $ac_cv_lib_curses_wgetch" >&5
--echo "${ECHO_T}$ac_cv_lib_curses_wgetch" >&6
--if test $ac_cv_lib_curses_wgetch = yes; then
-- GRUB_LIBS="$GRUB_LIBS -lcurses"
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_LIBCURSES 1
--_ACEOF
--
--fi
--
--fi
--
--fi
--
--
--
--# Check for headers.
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
--echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
--# On Suns, sometimes $CPP names a directory.
--if test -n "$CPP" && test -d "$CPP"; then
-- CPP=
--fi
--if test -z "$CPP"; then
-- if test "${ac_cv_prog_CPP+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- # Double quotes because CPP needs to be expanded
-- for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-- do
-- ac_preproc_ok=false
--for ac_c_preproc_warn_flag in '' yes
--do
-- # Use a header file that comes with gcc, so configuring glibc
-- # with a fresh cross-compiler works.
-- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-- # <limits.h> exists even on freestanding compilers.
-- # On the NeXT, cc -E runs the code through the compiler's parser,
-- # not just through cpp. "Syntax error" is here to catch this case.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
-- Syntax error
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } >/dev/null; then
-- if test -s conftest.err; then
-- ac_cpp_err=$ac_c_preproc_warn_flag
-- ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-- else
-- ac_cpp_err=
-- fi
--else
-- ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-- :
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
-- # Broken: fails on valid input.
--continue
--fi
--rm -f conftest.err conftest.$ac_ext
--
-- # OK, works on sane cases. Now check whether non-existent headers
-- # can be detected and how.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <ac_nonexistent.h>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } >/dev/null; then
-- if test -s conftest.err; then
-- ac_cpp_err=$ac_c_preproc_warn_flag
-- ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-- else
-- ac_cpp_err=
-- fi
--else
-- ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-- # Broken: success on invalid input.
--continue
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
-- # Passes both tests.
--ac_preproc_ok=:
--break
--fi
--rm -f conftest.err conftest.$ac_ext
--
--done
--# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
--rm -f conftest.err conftest.$ac_ext
--if $ac_preproc_ok; then
-- break
--fi
--
-- done
-- ac_cv_prog_CPP=$CPP
--
--fi
-- CPP=$ac_cv_prog_CPP
--else
-- ac_cv_prog_CPP=$CPP
--fi
--echo "$as_me:$LINENO: result: $CPP" >&5
--echo "${ECHO_T}$CPP" >&6
--ac_preproc_ok=false
--for ac_c_preproc_warn_flag in '' yes
--do
-- # Use a header file that comes with gcc, so configuring glibc
-- # with a fresh cross-compiler works.
-- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-- # <limits.h> exists even on freestanding compilers.
-- # On the NeXT, cc -E runs the code through the compiler's parser,
-- # not just through cpp. "Syntax error" is here to catch this case.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
-- Syntax error
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } >/dev/null; then
-- if test -s conftest.err; then
-- ac_cpp_err=$ac_c_preproc_warn_flag
-- ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-- else
-- ac_cpp_err=
-- fi
--else
-- ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-- :
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
-- # Broken: fails on valid input.
--continue
--fi
--rm -f conftest.err conftest.$ac_ext
--
-- # OK, works on sane cases. Now check whether non-existent headers
-- # can be detected and how.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <ac_nonexistent.h>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } >/dev/null; then
-- if test -s conftest.err; then
-- ac_cpp_err=$ac_c_preproc_warn_flag
-- ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-- else
-- ac_cpp_err=
-- fi
--else
-- ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-- # Broken: success on invalid input.
--continue
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
-- # Passes both tests.
--ac_preproc_ok=:
--break
--fi
--rm -f conftest.err conftest.$ac_ext
--
--done
--# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
--rm -f conftest.err conftest.$ac_ext
--if $ac_preproc_ok; then
-- :
--else
-- { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
--See \`config.log' for more details." >&5
--echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
--See \`config.log' for more details." >&2;}
-- { (exit 1); exit 1; }; }
--fi
--
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--
--
--echo "$as_me:$LINENO: checking for egrep" >&5
--echo $ECHO_N "checking for egrep... $ECHO_C" >&6
--if test "${ac_cv_prog_egrep+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-- then ac_cv_prog_egrep='grep -E'
-- else ac_cv_prog_egrep='egrep'
-- fi
--fi
--echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
--echo "${ECHO_T}$ac_cv_prog_egrep" >&6
-- EGREP=$ac_cv_prog_egrep
--
--
--echo "$as_me:$LINENO: checking for ANSI C header files" >&5
--echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
--if test "${ac_cv_header_stdc+set}" = set; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <stdlib.h>
--#include <stdarg.h>
--#include <string.h>
--#include <float.h>
--
--int
--main ()
--{
--
-- ;
-- return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_cv_header_stdc=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_header_stdc=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--
--if test $ac_cv_header_stdc = yes; then
-- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <string.h>
--
--_ACEOF
--if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-- $EGREP "memchr" >/dev/null 2>&1; then
-- :
--else
-- ac_cv_header_stdc=no
--fi
--rm -f conftest*
--
--fi
--
--if test $ac_cv_header_stdc = yes; then
-- # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <stdlib.h>
--
--_ACEOF
--if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-- $EGREP "free" >/dev/null 2>&1; then
-- :
--else
-- ac_cv_header_stdc=no
--fi
--rm -f conftest*
--
--fi
--
--if test $ac_cv_header_stdc = yes; then
-- # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-- if test "$cross_compiling" = yes; then
-- :
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <ctype.h>
--#if ((' ' & 0x0FF) == 0x020)
--# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
--# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
--#else
--# define ISLOWER(c) \
-- (('a' <= (c) && (c) <= 'i') \
-- || ('j' <= (c) && (c) <= 'r') \
-- || ('s' <= (c) && (c) <= 'z'))
--# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
--#endif
--
--#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
--int
--main ()
--{
-- int i;
-- for (i = 0; i < 256; i++)
-- if (XOR (islower (i), ISLOWER (i))
-- || toupper (i) != TOUPPER (i))
-- exit(2);
-- exit (0);
--}
--_ACEOF
--rm -f conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-- (eval $ac_link) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- :
--else
-- echo "$as_me: program exited with status $ac_status" >&5
--echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--( exit $ac_status )
--ac_cv_header_stdc=no
--fi
--rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
--fi
--fi
--fi
--echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
--echo "${ECHO_T}$ac_cv_header_stdc" >&6
--if test $ac_cv_header_stdc = yes; then
--
--cat >>confdefs.h <<\_ACEOF
--#define STDC_HEADERS 1
--_ACEOF
--
--fi
--
--# On IRIX 5.3, sys/types and inttypes.h are conflicting.
--
--
--
--
--
--
--
--
--
--for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-- inttypes.h stdint.h unistd.h
--do
--as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
--echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--$ac_includes_default
--
--#include <$ac_header>
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- eval "$as_ac_Header=yes"
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--eval "$as_ac_Header=no"
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
--if test `eval echo '${'$as_ac_Header'}'` = yes; then
-- cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
--_ACEOF
--
--fi
--
--done
--
--
--
--
--
--
--
--for ac_header in string.h strings.h ncurses/curses.h ncurses.h curses.h
--do
--as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-- echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
--else
-- # Is the header compilable?
--echo "$as_me:$LINENO: checking $ac_header usability" >&5
--echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--$ac_includes_default
--#include <$ac_header>
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-- (eval $ac_compile) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } &&
-- { ac_try='test -z "$ac_c_werror_flag"
-- || test ! -s conftest.err'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; } &&
-- { ac_try='test -s conftest.$ac_objext'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-- (eval $ac_try) 2>&5
-- ac_status=$?
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); }; }; then
-- ac_header_compiler=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_header_compiler=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
--echo "${ECHO_T}$ac_header_compiler" >&6
--
--# Is the header present?
--echo "$as_me:$LINENO: checking $ac_header presence" >&5
--echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h. */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h. */
--#include <$ac_header>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-- ac_status=$?
-- grep -v '^ *+' conftest.er1 >conftest.err
-- rm -f conftest.er1
-- cat conftest.err >&5
-- echo "$as_me:$LINENO: \$? = $ac_status" >&5
-- (exit $ac_status); } >/dev/null; then
-- if test -s conftest.err; then
-- ac_cpp_err=$ac_c_preproc_warn_flag
-- ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-- else
-- ac_cpp_err=
-- fi
--else
-- ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-- ac_header_preproc=yes
--else
-- echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
-- ac_header_preproc=no
--fi
--rm -f conftest.err conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
--echo "${ECHO_T}$ac_header_preproc" >&6
--
--# So? What about this header?
--case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-- yes:no: )
-- { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
--echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-- ac_header_preproc=yes
-- ;;
-- no:yes:* )
-- { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
--echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
--echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
--echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
--echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-- { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
--echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-- (
-- cat <<\_ASBOX
--## ------------------------------- ##
--## Report this to bug-grub(a)gnu.org ##
--## ------------------------------- ##
--_ASBOX
-- ) |
-- sed "s/^/$as_me: WARNING: /" >&2
-- ;;
--esac
--echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-- echo $ECHO_N "(cached) $ECHO_C" >&6
--else
-- eval "$as_ac_Header=\$ac_header_preproc"
--fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
--
--fi
--if test `eval echo '${'$as_ac_Header'}'` = yes; then
-- cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
--_ACEOF
--
--fi
--
--done
--
--
--# Check for user options.
--
--# filesystems support.
--# Check whether --enable-ext2fs or --disable-ext2fs was given.
--if test "${enable_ext2fs+set}" = set; then
-- enableval="$enable_ext2fs"
--
--fi;
--
--if test x"$enable_ext2fs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_EXT2FS=1"
--fi
--
--# Check whether --enable-fat or --disable-fat was given.
--if test "${enable_fat+set}" = set; then
-- enableval="$enable_fat"
--
--fi;
--
--if test x"$enable_fat" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_FAT=1"
--fi
--
--# Check whether --enable-ffs or --disable-ffs was given.
--if test "${enable_ffs+set}" = set; then
-- enableval="$enable_ffs"
--
--fi;
--
--if test x"$enable_ffs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_FFS=1"
--fi
--
--# Check whether --enable-ufs2 or --disable-ufs2 was given.
--if test "${enable_ufs2+set}" = set; then
-- enableval="$enable_ufs2"
--
--fi;
--
--if test x"$enable_ufs2" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_UFS2=1"
--fi
--
--# Check whether --enable-minix or --disable-minix was given.
--if test "${enable_minix+set}" = set; then
-- enableval="$enable_minix"
--
--fi;
--
--if test x"$enable_minix" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_MINIX=1"
--fi
--
--# Check whether --enable-reiserfs or --disable-reiserfs was given.
--if test "${enable_reiserfs+set}" = set; then
-- enableval="$enable_reiserfs"
--
--fi;
--
--if test x"$enable_reiserfs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_REISERFS=1"
--fi
--
--# Check whether --enable-vstafs or --disable-vstafs was given.
--if test "${enable_vstafs+set}" = set; then
-- enableval="$enable_vstafs"
--
--fi;
--
--if test x"$enable_vstafs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_VSTAFS=1"
--fi
--
--# Check whether --enable-jfs or --disable-jfs was given.
--if test "${enable_jfs+set}" = set; then
-- enableval="$enable_jfs"
--
--fi;
--
--if test x"$enable_jfs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_JFS=1"
--fi
--
--# Check whether --enable-xfs or --disable-xfs was given.
--if test "${enable_xfs+set}" = set; then
-- enableval="$enable_xfs"
--
--fi;
--
--if test x"$enable_xfs" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_XFS=1"
--fi
--
--# Check whether --enable-iso9660 or --disable-iso9660 was given.
--if test "${enable_iso9660+set}" = set; then
-- enableval="$enable_iso9660"
--
--fi;
--
--if test x"$enable_iso9660" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_ISO9660=1"
--fi
--
--
--# Check whether --enable-gunzip or --disable-gunzip was given.
--if test "${enable_gunzip+set}" = set; then
-- enableval="$enable_gunzip"
--
--fi;
--
--if test x"$enable_gunzip" = xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DNO_DECOMPRESSION=1"
--fi
--
--# Check whether --enable-md5-password or --disable-md5-password was given.
--if test "${enable_md5_password+set}" = set; then
-- enableval="$enable_md5_password"
--
--fi;
--if test "x$enable_md5_password" != xno; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DUSE_MD5_PASSWORDS=1"
--fi
--
--# Check whether --enable-packet-retransmission or --disable-packet-retransmission was given.
--if test "${enable_packet_retransmission+set}" = set; then
-- enableval="$enable_packet_retransmission"
--
--fi;
--if test "x$enable_packet_retransmission" != xno; then
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DCONGESTED=1"
--fi
--
--# Check whether --enable-pci-direct or --disable-pci-direct was given.
--if test "${enable_pci_direct+set}" = set; then
-- enableval="$enable_pci_direct"
--
--fi;
--if test "x$enable_pci_direct" = xyes; then
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DCONFIG_PCI_DIRECT=1"
--fi
--
--# Check whether --enable-3c509 or --disable-3c509 was given.
--if test "${enable_3c509+set}" = set; then
-- enableval="$enable_3c509"
--
--fi;
--if test "x$enable_3c509" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C509"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c509.o"
--fi
--
--# Check whether --enable-3c529 or --disable-3c529 was given.
--if test "${enable_3c529+set}" = set; then
-- enableval="$enable_3c529"
--
--fi;
--if test "x$enable_3c529" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C529=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c529.o"
--fi
--
--# Check whether --enable-3c595 or --disable-3c595 was given.
--if test "${enable_3c595+set}" = set; then
-- enableval="$enable_3c595"
--
--fi;
--if test "x$enable_3c595" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C595=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c595.o"
--fi
--
--# Check whether --enable-3c90x or --disable-3c90x was given.
--if test "${enable_3c90x+set}" = set; then
-- enableval="$enable_3c90x"
--
--fi;
--if test "x$enable_3c90x" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C90X=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c90x.o"
--fi
--
--# Check whether --enable-cs89x0 or --disable-cs89x0 was given.
--if test "${enable_cs89x0+set}" = set; then
-- enableval="$enable_cs89x0"
--
--fi;
--if test "x$enable_cs89x0" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_CS89X0=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS cs89x0.o"
--fi
--
--# Check whether --enable-davicom or --disable-davicom was given.
--if test "${enable_davicom+set}" = set; then
-- enableval="$enable_davicom"
--
--fi;
--if test "x$enable_davicom" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_DAVICOM=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS davicom.o"
--fi
--
--# Check whether --enable-depca or --disable-depca was given.
--if test "${enable_depca+set}" = set; then
-- enableval="$enable_depca"
--
--fi;
--if test "x$enable_depca" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_DEPCA=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS depca.o"
--fi
--
--# Check whether --enable-eepro or --disable-eepro was given.
--if test "${enable_eepro+set}" = set; then
-- enableval="$enable_eepro"
--
--fi;
--if test "x$enable_eepro" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_EEPRO=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS eepro.o"
--fi
--
--# Check whether --enable-eepro100 or --disable-eepro100 was given.
--if test "${enable_eepro100+set}" = set; then
-- enableval="$enable_eepro100"
--
--fi;
--if test "x$enable_eepro100" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_EEPRO100=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS eepro100.o"
--fi
--
--# Check whether --enable-epic100 or --disable-epic100 was given.
--if test "${enable_epic100+set}" = set; then
-- enableval="$enable_epic100"
--
--fi;
--if test "x$enable_epic100" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_EPIC100=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS epic100.o"
--fi
--
--# Check whether --enable-3c507 or --disable-3c507 was given.
--if test "${enable_3c507+set}" = set; then
-- enableval="$enable_3c507"
--
--fi;
--if test "x$enable_3c507" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C507=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c507.o"
--fi
--
--# Check whether --enable-exos205 or --disable-exos205 was given.
--if test "${enable_exos205+set}" = set; then
-- enableval="$enable_exos205"
--
--fi;
--if test "x$enable_exos205" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_EXOS205=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS exos205.o"
--fi
--
--# Check whether --enable-ni5210 or --disable-ni5210 was given.
--if test "${enable_ni5210+set}" = set; then
-- enableval="$enable_ni5210"
--
--fi;
--if test "x$enable_ni5210" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NI5210=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ni5210.o"
--fi
--
--# Check whether --enable-lance or --disable-lance was given.
--if test "${enable_lance+set}" = set; then
-- enableval="$enable_lance"
--
--fi;
--if test "x$enable_lance" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_LANCE=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS lance.o"
--fi
--
--# Check whether --enable-ne2100 or --disable-ne2100 was given.
--if test "${enable_ne2100+set}" = set; then
-- enableval="$enable_ne2100"
--
--fi;
--if test "x$enable_ne2100" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NE2100=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ne2100.o"
--fi
--
--# Check whether --enable-ni6510 or --disable-ni6510 was given.
--if test "${enable_ni6510+set}" = set; then
-- enableval="$enable_ni6510"
--
--fi;
--if test "x$enable_ni6510" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NI6510=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ni6510.o"
--fi
--
--# Check whether --enable-natsemi or --disable-natsemi was given.
--if test "${enable_natsemi+set}" = set; then
-- enableval="$enable_natsemi"
--
--fi;
--if test "x$enable_natsemi" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NATSEMI=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS natsemi.o"
--fi
--
--# Check whether --enable-ni5010 or --disable-ni5010 was given.
--if test "${enable_ni5010+set}" = set; then
-- enableval="$enable_ni5010"
--
--fi;
--if test "x$enable_ni5010" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NI5010=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ni5010.o"
--fi
--
--# Check whether --enable-3c503 or --disable-3c503 was given.
--if test "${enable_3c503+set}" = set; then
-- enableval="$enable_3c503"
--
--fi;
--if test "x$enable_3c503" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_3C503=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS 3c503.o"
--fi
--
--# Check whether --enable-ne or --disable-ne was given.
--if test "${enable_ne+set}" = set; then
-- enableval="$enable_ne"
--
--fi;
--if test "x$enable_ne" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NE=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ne.o"
--fi
--
--# Check whether --enable-ns8390 or --disable-ns8390 was given.
--if test "${enable_ns8390+set}" = set; then
-- enableval="$enable_ns8390"
--
--fi;
--if test "x$enable_ns8390" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_NS8390=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS ns8390.o"
--fi
--
--# Check whether --enable-wd or --disable-wd was given.
--if test "${enable_wd+set}" = set; then
-- enableval="$enable_wd"
--
--fi;
--if test "x$enable_wd" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_WD=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS wd.o"
--fi
--
--# Check whether --enable-otulip or --disable-otulip was given.
--if test "${enable_otulip+set}" = set; then
-- enableval="$enable_otulip"
--
--fi;
--if test "x$enable_otulip" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_OTULIP=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS otulip.o"
--fi
--
--# Check whether --enable-rtl8139 or --disable-rtl8139 was given.
--if test "${enable_rtl8139+set}" = set; then
-- enableval="$enable_rtl8139"
--
--fi;
--if test "x$enable_rtl8139" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_RTL8139=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS rtl8139.o"
--fi
--
--# Check whether --enable-sis900 or --disable-sis900 was given.
--if test "${enable_sis900+set}" = set; then
-- enableval="$enable_sis900"
--
--fi;
--if test "x$enable_sis900" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_SIS900=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS sis900.o"
--fi
--
--# Check whether --enable-sk-g16 or --disable-sk-g16 was given.
--if test "${enable_sk_g16+set}" = set; then
-- enableval="$enable_sk_g16"
--
--fi;
--if test "x$enable_sk_g16" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_SK_G16=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS sk_g16.o"
--fi
--
--# Check whether --enable-smc9000 or --disable-smc9000 was given.
--if test "${enable_smc9000+set}" = set; then
-- enableval="$enable_smc9000"
--
--fi;
--if test "x$enable_smc9000" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_SMC9000=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS smc9000.o"
--fi
--
--# Check whether --enable-tiara or --disable-tiara was given.
--if test "${enable_tiara+set}" = set; then
-- enableval="$enable_tiara"
--
--fi;
--if test "x$enable_tiara" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_TIARA=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS tiara.o"
--fi
--
--# Check whether --enable-tulip or --disable-tulip was given.
--if test "${enable_tulip+set}" = set; then
-- enableval="$enable_tulip"
--
--fi;
--if test "x$enable_tulip" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_TULIP=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS tulip.o"
--fi
--
--# Check whether --enable-via-rhine or --disable-via-rhine was given.
--if test "${enable_via_rhine+set}" = set; then
-- enableval="$enable_via_rhine"
--
--fi;
--if test "x$enable_via_rhine" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_VIA_RHINE=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS via_rhine.o"
--fi
--
--# Check whether --enable-w89c840 or --disable-w89c840 was given.
--if test "${enable_w89c840+set}" = set; then
-- enableval="$enable_w89c840"
--
--fi;
--if test "x$enable_w89c840" = xyes; then
-- NET_CFLAGS="$NET_CFLAGS -DINCLUDE_W89C840=1"
-- NETBOOT_DRIVERS="$NETBOOT_DRIVERS w89c840.o"
--fi
--
--
--
--if test "x$NET_CFLAGS" != x; then
-- NETBOOT_SUPPORT_TRUE=
-- NETBOOT_SUPPORT_FALSE='#'
--else
-- NETBOOT_SUPPORT_TRUE='#'
-- NETBOOT_SUPPORT_FALSE=
--fi
--
--if test "x$NET_CFLAGS" != x; then
-- FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_TFTP=1"
--fi
--
--# Check whether --enable-3c503-shmem or --disable-3c503-shmem was given.
--if test "${enable_3c503_shmem+set}" = set; then
-- enableval="$enable_3c503_shmem"
--
--fi;
--if test "x$enable_3c503_shmem" = xyes; then
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DT503_SHMEM=1"
--fi
--
--# Check whether --enable-3c503-aui or --disable-3c503-aui was given.
--if test "${enable_3c503_aui+set}" = set; then
-- enableval="$enable_3c503_aui"
--
--fi;
--if test "x$enable_3c503_aui" = xyes; then
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DT503_AUI=1"
--fi
--
--# Check whether --enable-compex-rl2000-fix or --disable-compex-rl2000-fix was given.
--if test "${enable_compex_rl2000_fix+set}" = set; then
-- enableval="$enable_compex_rl2000_fix"
--
--fi;
--if test "x$enable_compex_rl2000_fix" = xyes; then
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DCOMPEX_RL2000_FIX=1"
--fi
--
--# Check whether --enable-smc9000-scan or --disable-smc9000-scan was given.
--if test "${enable_smc9000_scan+set}" = set; then
-- enableval="$enable_smc9000_scan"
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DSMC9000_SCAN=$enable_smc9000_scan"
--fi;
--
--# Check whether --enable-ne-scan or --disable-ne-scan was given.
--if test "${enable_ne_scan+set}" = set; then
-- enableval="$enable_ne_scan"
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DNE_SCAN=$enable_ne_scan"
--else
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DNE_SCAN=0x280,0x300,0x320,0x340"
--fi;
--
--# Check whether --enable-wd-default-mem or --disable-wd-default-mem was given.
--if test "${enable_wd_default_mem+set}" = set; then
-- enableval="$enable_wd_default_mem"
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DWD_DEFAULT_MEM=$enable_wd_default_mem"
--else
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DWD_DEFAULT_MEM=0xCC000"
--fi;
--
--# Check whether --enable-cs-scan or --disable-cs-scan was given.
--if test "${enable_cs_scan+set}" = set; then
-- enableval="$enable_cs_scan"
-- NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DCS_SCAN=$enable_cs_scan"
--fi;
--
--# Check whether --enable-diskless or --disable-diskless was given.
--if test "${enable_diskless+set}" = set; then
-- enableval="$enable_diskless"
--
--fi;
--
--
--if test "x$enable_diskless" = xyes; then
-- DISKLESS_SUPPORT_TRUE=
-- DISKLESS_SUPPORT_FALSE='#'
--else
-- DISKLESS_SUPPORT_TRUE='#'
-- DISKLESS_SUPPORT_FALSE=
--fi
--
--
--# Check whether --enable-hercules or --disable-hercules was given.
--if test "${enable_hercules+set}" = set; then
-- enableval="$enable_hercules"
--
--fi;
--
--
--if test "x$enable_hercules" != xno; then
-- HERCULES_SUPPORT_TRUE=
-- HERCULES_SUPPORT_FALSE='#'
--else
-- HERCULES_SUPPORT_TRUE='#'
-- HERCULES_SUPPORT_FALSE=
--fi
--
--
--# Check whether --enable-serial or --disable-serial was given.
--if test "${enable_serial+set}" = set; then
-- enableval="$enable_serial"
--
--fi;
--
--
--if test "x$enable_serial" != xno; then
-- SERIAL_SUPPORT_TRUE=
-- SERIAL_SUPPORT_FALSE='#'
--else
-- SERIAL_SUPPORT_TRUE='#'
-- SERIAL_SUPPORT_FALSE=
--fi
--
--
--# Check whether --enable-serial-speed-simulation or --disable-serial-speed-simulation was given.
--if test "${enable_serial_speed_simulation+set}" = set; then
-- enableval="$enable_serial_speed_simulation"
--
--fi;
--
--
--if test "x$enable_serial_speed_simulation" = xyes; then
-- SERIAL_SPEED_SIMULATION_TRUE=
-- SERIAL_SPEED_SIMULATION_FALSE='#'
--else
-- SERIAL_SPEED_SIMULATION_TRUE='#'
-- SERIAL_SPEED_SIMULATION_FALSE=
--fi
--
--
--# Sanity check.
--if test "x$enable_diskless" = xyes; then
-- if test "x$NET_CFLAGS" = x; then
-- { { echo "$as_me:$LINENO: error: You must enable at least one network driver" >&5
--echo "$as_me: error: You must enable at least one network driver" >&2;}
-- { (exit 1); exit 1; }; }
-- fi
--fi
--
--# Check whether --enable-preset-menu or --disable-preset-menu was given.
--if test "${enable_preset_menu+set}" = set; then
-- enableval="$enable_preset_menu"
--
--fi;
--if test "x$enable_preset_menu" = x; then
-- :
--else
-- if test -r $enable_preset_menu; then
--
--# Because early versions of GNU sed 3.x are too buggy, use a C program
--# instead of shell commands. *sigh*
--cat >conftest.c <<\EOF
--#include <stdio.h>
--
--int
--main (void)
--{
-- int c;
--
-- while ((c = getchar ()) != EOF)
-- {
-- switch (c)
-- {
-- case '\n':
-- fputs ("\\n", stdout);
-- break;
-- case '\r':
-- fputs ("\\r", stdout);
-- break;
-- case '\\':
-- fputs ("\\\\", stdout);
-- break;
-- case '"':
-- fputs ("\\\"", stdout);
-- break;
-- default:
-- putchar (c);
-- }
-- }
--
-- return 0;
--}
--EOF
--
--if { ac_try='${CC-cc} ${CFLAGS} conftest.c -o conftest'
-- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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-- { { echo "$as_me:$LINENO: error: ${CC-cc} failed to produce an executable file" >&5
--echo "$as_me: error: ${CC-cc} failed to produce an executable file" >&2;}
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--
--
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--_ACEOF
--
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--
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--
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--
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--
--
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--
--
--# Check whether --enable-auto-linux-mem-opt or --disable-auto-linux-mem-opt was given.
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--
--cat >>confdefs.h <<\_ACEOF
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--_ACEOF
--
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--
--
--
--
--
--
--CCASFLAGS='$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)'
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--
--
-- ac_config_files="$ac_config_files Makefile stage1/Makefile stage2/Makefile docs/Makefile lib/Makefile util/Makefile grub/Makefile netboot/Makefile util/grub-image util/grub-install util/grub-md5-crypt util/grub-terminfo util/grub-set-default"
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--# This file is a shell script that caches the results of configure
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--#
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--_ACEOF
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--echo "$as_me: error: conditional \"MAINTAINER_MODE\" was never defined.
--Usually this means the macro was only invoked conditionally." >&2;}
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--Usually this means the macro was only invoked conditionally." >&5
--echo "$as_me: error: conditional \"DISKLESS_SUPPORT\" was never defined.
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--Usually this means the macro was only invoked conditionally." >&5
--echo "$as_me: error: conditional \"BUILD_EXAMPLE_KERNEL\" was never defined.
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-- { (exit 1); exit 1; }; }
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--
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-- # is contrary to our usage. Disable this feature.
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--
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-- LC_TELEPHONE LC_TIME
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--
--
--# Name of the executable.
--as_me=`$as_basename "$0" ||
--$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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-- sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
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--
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--
--ac_cs_usage="\
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--
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--cat >>$CONFIG_STATUS <<\_ACEOF
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-- --debug | --d* | -d )
-- debug=: ;;
-- --file | --fil | --fi | --f )
-- $ac_shift
-- CONFIG_FILES="$CONFIG_FILES $ac_optarg"
-- ac_need_defaults=false;;
-- --header | --heade | --head | --hea )
-- $ac_shift
-- CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
-- ac_need_defaults=false;;
-- -q | -quiet | --quiet | --quie | --qui | --qu | --q \
-- | -silent | --silent | --silen | --sile | --sil | --si | --s)
-- ac_cs_silent=: ;;
--
-- # This is an error.
-- -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
--Try \`$0 --help' for more information." >&5
--echo "$as_me: error: unrecognized option: $1
--Try \`$0 --help' for more information." >&2;}
-- { (exit 1); exit 1; }; } ;;
--
-- *) ac_config_targets="$ac_config_targets $1" ;;
--
-- esac
-- shift
--done
--
--ac_configure_extra_args=
--
--if $ac_cs_silent; then
-- exec 6>/dev/null
-- ac_configure_extra_args="$ac_configure_extra_args --silent"
--fi
--
--_ACEOF
--cat >>$CONFIG_STATUS <<_ACEOF
--if \$ac_cs_recheck; then
-- echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-- exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
--fi
--
--_ACEOF
--
--cat >>$CONFIG_STATUS <<_ACEOF
--#
--# INIT-COMMANDS section.
--#
--
--AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
--
--_ACEOF
--
--
--
--cat >>$CONFIG_STATUS <<\_ACEOF
--for ac_config_target in $ac_config_targets
--do
-- case "$ac_config_target" in
-- # Handling of arguments.
-- "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-- "stage1/Makefile" ) CONFIG_FILES="$CONFIG_FILES stage1/Makefile" ;;
-- "stage2/Makefile" ) CONFIG_FILES="$CONFIG_FILES stage2/Makefile" ;;
-- "docs/Makefile" ) CONFIG_FILES="$CONFIG_FILES docs/Makefile" ;;
-- "lib/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
-- "util/Makefile" ) CONFIG_FILES="$CONFIG_FILES util/Makefile" ;;
-- "grub/Makefile" ) CONFIG_FILES="$CONFIG_FILES grub/Makefile" ;;
-- "netboot/Makefile" ) CONFIG_FILES="$CONFIG_FILES netboot/Makefile" ;;
-- "util/grub-image" ) CONFIG_FILES="$CONFIG_FILES util/grub-image" ;;
-- "util/grub-install" ) CONFIG_FILES="$CONFIG_FILES util/grub-install" ;;
-- "util/grub-md5-crypt" ) CONFIG_FILES="$CONFIG_FILES util/grub-md5-crypt" ;;
-- "util/grub-terminfo" ) CONFIG_FILES="$CONFIG_FILES util/grub-terminfo" ;;
-- "util/grub-set-default" ) CONFIG_FILES="$CONFIG_FILES util/grub-set-default" ;;
-- "depfiles" ) CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
-- "config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
-- *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
--echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-- { (exit 1); exit 1; }; };;
-- esac
--done
--
--# If the user did not use the arguments to specify the items to instantiate,
--# then the envvar interface is used. Set only those that are not.
--# We use the long form for the default assignment because of an extremely
--# bizarre bug on SunOS 4.1.3.
--if $ac_need_defaults; then
-- test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
-- test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
-- test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
--fi
--
--# Have a temporary directory for convenience. Make it in the build tree
--# simply because there is no reason to put it here, and in addition,
--# creating and moving files from /tmp can sometimes cause problems.
--# Create a temporary directory, and hook for its removal unless debugging.
--$debug ||
--{
-- trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
-- trap '{ (exit 1); exit 1; }' 1 2 13 15
--}
--
--# Create a (secure) tmp directory for tmp files.
--
--{
-- tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
-- test -n "$tmp" && test -d "$tmp"
--} ||
--{
-- tmp=./confstat$$-$RANDOM
-- (umask 077 && mkdir $tmp)
--} ||
--{
-- echo "$me: cannot create a temporary directory in ." >&2
-- { (exit 1); exit 1; }
--}
--
--_ACEOF
--
--cat >>$CONFIG_STATUS <<_ACEOF
--
--#
--# CONFIG_FILES section.
--#
--
--# No need to generate the scripts if there are no CONFIG_FILES.
--# This happens for instance when ./config.status config.h
--if test -n "\$CONFIG_FILES"; then
-- # Protect against being on the right side of a sed subst in config.status.
-- sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
-- s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
--s,@SHELL@,$SHELL,;t t
--s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
--s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
--s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
--s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
--s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
--s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
--s,@exec_prefix@,$exec_prefix,;t t
--s,@prefix@,$prefix,;t t
--s,@program_transform_name@,$program_transform_name,;t t
--s,@bindir@,$bindir,;t t
--s,@sbindir@,$sbindir,;t t
--s,@libexecdir@,$libexecdir,;t t
--s,@datadir@,$datadir,;t t
--s,@sysconfdir@,$sysconfdir,;t t
--s,@sharedstatedir@,$sharedstatedir,;t t
--s,@localstatedir@,$localstatedir,;t t
--s,@libdir@,$libdir,;t t
--s,@includedir@,$includedir,;t t
--s,@oldincludedir@,$oldincludedir,;t t
--s,@infodir@,$infodir,;t t
--s,@mandir@,$mandir,;t t
--s,@build_alias@,$build_alias,;t t
--s,@host_alias@,$host_alias,;t t
--s,@target_alias@,$target_alias,;t t
--s,@DEFS@,$DEFS,;t t
--s,@ECHO_C@,$ECHO_C,;t t
--s,@ECHO_N@,$ECHO_N,;t t
--s,@ECHO_T@,$ECHO_T,;t t
--s,@LIBS@,$LIBS,;t t
--s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
--s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
--s,@INSTALL_DATA@,$INSTALL_DATA,;t t
--s,@CYGPATH_W@,$CYGPATH_W,;t t
--s,@PACKAGE@,$PACKAGE,;t t
--s,@VERSION@,$VERSION,;t t
--s,@ACLOCAL@,$ACLOCAL,;t t
--s,@AUTOCONF@,$AUTOCONF,;t t
--s,@AUTOMAKE@,$AUTOMAKE,;t t
--s,@AUTOHEADER@,$AUTOHEADER,;t t
--s,@MAKEINFO@,$MAKEINFO,;t t
--s,@install_sh@,$install_sh,;t t
--s,@STRIP@,$STRIP,;t t
--s,@ac_ct_STRIP@,$ac_ct_STRIP,;t t
--s,@INSTALL_STRIP_PROGRAM@,$INSTALL_STRIP_PROGRAM,;t t
--s,@mkdir_p@,$mkdir_p,;t t
--s,@AWK@,$AWK,;t t
--s,@SET_MAKE@,$SET_MAKE,;t t
--s,@am__leading_dot@,$am__leading_dot,;t t
--s,@AMTAR@,$AMTAR,;t t
--s,@am__tar@,$am__tar,;t t
--s,@am__untar@,$am__untar,;t t
--s,@build@,$build,;t t
--s,@build_cpu@,$build_cpu,;t t
--s,@build_vendor@,$build_vendor,;t t
--s,@build_os@,$build_os,;t t
--s,@host@,$host,;t t
--s,@host_cpu@,$host_cpu,;t t
--s,@host_vendor@,$host_vendor,;t t
--s,@host_os@,$host_os,;t t
--s,@MAINTAINER_MODE_TRUE@,$MAINTAINER_MODE_TRUE,;t t
--s,@MAINTAINER_MODE_FALSE@,$MAINTAINER_MODE_FALSE,;t t
--s,@MAINT@,$MAINT,;t t
--s,@PERL@,$PERL,;t t
--s,@CC@,$CC,;t t
--s,@ac_ct_CC@,$ac_ct_CC,;t t
--s,@CFLAGS@,$CFLAGS,;t t
--s,@LDFLAGS@,$LDFLAGS,;t t
--s,@CPPFLAGS@,$CPPFLAGS,;t t
--s,@EXEEXT@,$EXEEXT,;t t
--s,@OBJEXT@,$OBJEXT,;t t
--s,@DEPDIR@,$DEPDIR,;t t
--s,@am__include@,$am__include,;t t
--s,@am__quote@,$am__quote,;t t
--s,@AMDEP_TRUE@,$AMDEP_TRUE,;t t
--s,@AMDEP_FALSE@,$AMDEP_FALSE,;t t
--s,@AMDEPBACKSLASH@,$AMDEPBACKSLASH,;t t
--s,@CCDEPMODE@,$CCDEPMODE,;t t
--s,@am__fastdepCC_TRUE@,$am__fastdepCC_TRUE,;t t
--s,@am__fastdepCC_FALSE@,$am__fastdepCC_FALSE,;t t
--s,@CCAS@,$CCAS,;t t
--s,@RANLIB@,$RANLIB,;t t
--s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
--s,@STAGE1_CFLAGS@,$STAGE1_CFLAGS,;t t
--s,@STAGE2_CFLAGS@,$STAGE2_CFLAGS,;t t
--s,@GRUB_CFLAGS@,$GRUB_CFLAGS,;t t
--s,@OBJCOPY@,$OBJCOPY,;t t
--s,@ac_ct_OBJCOPY@,$ac_ct_OBJCOPY,;t t
--s,@GRUB_LIBS@,$GRUB_LIBS,;t t
--s,@CPP@,$CPP,;t t
--s,@EGREP@,$EGREP,;t t
--s,@NETBOOT_SUPPORT_TRUE@,$NETBOOT_SUPPORT_TRUE,;t t
--s,@NETBOOT_SUPPORT_FALSE@,$NETBOOT_SUPPORT_FALSE,;t t
--s,@DISKLESS_SUPPORT_TRUE@,$DISKLESS_SUPPORT_TRUE,;t t
--s,@DISKLESS_SUPPORT_FALSE@,$DISKLESS_SUPPORT_FALSE,;t t
--s,@HERCULES_SUPPORT_TRUE@,$HERCULES_SUPPORT_TRUE,;t t
--s,@HERCULES_SUPPORT_FALSE@,$HERCULES_SUPPORT_FALSE,;t t
--s,@SERIAL_SUPPORT_TRUE@,$SERIAL_SUPPORT_TRUE,;t t
--s,@SERIAL_SUPPORT_FALSE@,$SERIAL_SUPPORT_FALSE,;t t
--s,@SERIAL_SPEED_SIMULATION_TRUE@,$SERIAL_SPEED_SIMULATION_TRUE,;t t
--s,@SERIAL_SPEED_SIMULATION_FALSE@,$SERIAL_SPEED_SIMULATION_FALSE,;t t
--s,@BUILD_EXAMPLE_KERNEL_TRUE@,$BUILD_EXAMPLE_KERNEL_TRUE,;t t
--s,@BUILD_EXAMPLE_KERNEL_FALSE@,$BUILD_EXAMPLE_KERNEL_FALSE,;t t
--s,@FSYS_CFLAGS@,$FSYS_CFLAGS,;t t
--s,@NET_CFLAGS@,$NET_CFLAGS,;t t
--s,@NET_EXTRAFLAGS@,$NET_EXTRAFLAGS,;t t
--s,@NETBOOT_DRIVERS@,$NETBOOT_DRIVERS,;t t
--s,@CCASFLAGS@,$CCASFLAGS,;t t
--s,@LIBOBJS@,$LIBOBJS,;t t
--s,@LTLIBOBJS@,$LTLIBOBJS,;t t
--CEOF
--
--_ACEOF
--
-- cat >>$CONFIG_STATUS <<\_ACEOF
-- # Split the substitutions into bite-sized pieces for seds with
-- # small command number limits, like on Digital OSF/1 and HP-UX.
-- ac_max_sed_lines=48
-- ac_sed_frag=1 # Number of current file.
-- ac_beg=1 # First line for current file.
-- ac_end=$ac_max_sed_lines # Line after last line for current file.
-- ac_more_lines=:
-- ac_sed_cmds=
-- while $ac_more_lines; do
-- if test $ac_beg -gt 1; then
-- sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-- else
-- sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-- fi
-- if test ! -s $tmp/subs.frag; then
-- ac_more_lines=false
-- else
-- # The purpose of the label and of the branching condition is to
-- # speed up the sed processing (if there are no `@' at all, there
-- # is no need to browse any of the substitutions).
-- # These are the two extra sed commands mentioned above.
-- (echo ':t
-- /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
-- if test -z "$ac_sed_cmds"; then
-- ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
-- else
-- ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
-- fi
-- ac_sed_frag=`expr $ac_sed_frag + 1`
-- ac_beg=$ac_end
-- ac_end=`expr $ac_end + $ac_max_sed_lines`
-- fi
-- done
-- if test -z "$ac_sed_cmds"; then
-- ac_sed_cmds=cat
-- fi
--fi # test -n "$CONFIG_FILES"
--
--_ACEOF
--cat >>$CONFIG_STATUS <<\_ACEOF
--for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
-- # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-- case $ac_file in
-- - | *:- | *:-:* ) # input from stdin
-- cat >$tmp/stdin
-- ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-- *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-- * ) ac_file_in=$ac_file.in ;;
-- esac
--
-- # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
-- ac_dir=`(dirname "$ac_file") 2>/dev/null ||
--$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$ac_file" : 'X\(//\)[^/]' \| \
-- X"$ac_file" : 'X\(//\)$' \| \
-- X"$ac_file" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$ac_file" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- { if $as_mkdir_p; then
-- mkdir -p "$ac_dir"
-- else
-- as_dir="$ac_dir"
-- as_dirs=
-- while test ! -d "$as_dir"; do
-- as_dirs="$as_dir $as_dirs"
-- as_dir=`(dirname "$as_dir") 2>/dev/null ||
--$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$as_dir" : 'X\(//\)[^/]' \| \
-- X"$as_dir" : 'X\(//\)$' \| \
-- X"$as_dir" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$as_dir" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- done
-- test ! -n "$as_dirs" || mkdir $as_dirs
-- fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
--echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-- { (exit 1); exit 1; }; }; }
--
-- ac_builddir=.
--
--if test "$ac_dir" != .; then
-- ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-- # A "../" for each directory in $ac_dir_suffix.
-- ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
--else
-- ac_dir_suffix= ac_top_builddir=
--fi
--
--case $srcdir in
-- .) # No --srcdir option. We are building in place.
-- ac_srcdir=.
-- if test -z "$ac_top_builddir"; then
-- ac_top_srcdir=.
-- else
-- ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-- fi ;;
-- [\\/]* | ?:[\\/]* ) # Absolute path.
-- ac_srcdir=$srcdir$ac_dir_suffix;
-- ac_top_srcdir=$srcdir ;;
-- *) # Relative path.
-- ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-- ac_top_srcdir=$ac_top_builddir$srcdir ;;
--esac
--
--# Do not use `cd foo && pwd` to compute absolute paths, because
--# the directories may not exist.
--case `pwd` in
--.) ac_abs_builddir="$ac_dir";;
--*)
-- case "$ac_dir" in
-- .) ac_abs_builddir=`pwd`;;
-- [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-- *) ac_abs_builddir=`pwd`/"$ac_dir";;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_top_builddir=${ac_top_builddir}.;;
--*)
-- case ${ac_top_builddir}. in
-- .) ac_abs_top_builddir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-- *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_srcdir=$ac_srcdir;;
--*)
-- case $ac_srcdir in
-- .) ac_abs_srcdir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-- *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_top_srcdir=$ac_top_srcdir;;
--*)
-- case $ac_top_srcdir in
-- .) ac_abs_top_srcdir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-- *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-- esac;;
--esac
--
--
-- case $INSTALL in
-- [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
-- *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
-- esac
--
-- if test x"$ac_file" != x-; then
-- { echo "$as_me:$LINENO: creating $ac_file" >&5
--echo "$as_me: creating $ac_file" >&6;}
-- rm -f "$ac_file"
-- fi
-- # Let's still pretend it is `configure' which instantiates (i.e., don't
-- # use $as_me), people would be surprised to read:
-- # /* config.h. Generated by config.status. */
-- if test x"$ac_file" = x-; then
-- configure_input=
-- else
-- configure_input="$ac_file. "
-- fi
-- configure_input=$configure_input"Generated from `echo $ac_file_in |
-- sed 's,.*/,,'` by configure."
--
-- # First look for the input files in the build tree, otherwise in the
-- # src tree.
-- ac_file_inputs=`IFS=:
-- for f in $ac_file_in; do
-- case $f in
-- -) echo $tmp/stdin ;;
-- [\\/$]*)
-- # Absolute (can't be DOS-style, as IFS=:)
-- test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
--echo "$as_me: error: cannot find input file: $f" >&2;}
-- { (exit 1); exit 1; }; }
-- echo "$f";;
-- *) # Relative
-- if test -f "$f"; then
-- # Build tree
-- echo "$f"
-- elif test -f "$srcdir/$f"; then
-- # Source tree
-- echo "$srcdir/$f"
-- else
-- # /dev/null tree
-- { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
--echo "$as_me: error: cannot find input file: $f" >&2;}
-- { (exit 1); exit 1; }; }
-- fi;;
-- esac
-- done` || { (exit 1); exit 1; }
--_ACEOF
--cat >>$CONFIG_STATUS <<_ACEOF
-- sed "$ac_vpsub
--$extrasub
--_ACEOF
--cat >>$CONFIG_STATUS <<\_ACEOF
--:t
--/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
--s,@configure_input@,$configure_input,;t t
--s,@srcdir@,$ac_srcdir,;t t
--s,@abs_srcdir@,$ac_abs_srcdir,;t t
--s,@top_srcdir@,$ac_top_srcdir,;t t
--s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
--s,@builddir@,$ac_builddir,;t t
--s,@abs_builddir@,$ac_abs_builddir,;t t
--s,@top_builddir@,$ac_top_builddir,;t t
--s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
--s,@INSTALL@,$ac_INSTALL,;t t
--" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
-- rm -f $tmp/stdin
-- if test x"$ac_file" != x-; then
-- mv $tmp/out $ac_file
-- else
-- cat $tmp/out
-- rm -f $tmp/out
-- fi
--
--done
--_ACEOF
--cat >>$CONFIG_STATUS <<\_ACEOF
--
--#
--# CONFIG_HEADER section.
--#
--
--# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
--# NAME is the cpp macro being defined and VALUE is the value it is being given.
--#
--# ac_d sets the value in "#define NAME VALUE" lines.
--ac_dA='s,^\([ ]*\)#\([ ]*define[ ][ ]*\)'
--ac_dB='[ ].*$,\1#\2'
--ac_dC=' '
--ac_dD=',;t'
--# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
--ac_uA='s,^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
--ac_uB='$,\1#\2define\3'
--ac_uC=' '
--ac_uD=',;t'
--
--for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
-- # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-- case $ac_file in
-- - | *:- | *:-:* ) # input from stdin
-- cat >$tmp/stdin
-- ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-- *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-- * ) ac_file_in=$ac_file.in ;;
-- esac
--
-- test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
--echo "$as_me: creating $ac_file" >&6;}
--
-- # First look for the input files in the build tree, otherwise in the
-- # src tree.
-- ac_file_inputs=`IFS=:
-- for f in $ac_file_in; do
-- case $f in
-- -) echo $tmp/stdin ;;
-- [\\/$]*)
-- # Absolute (can't be DOS-style, as IFS=:)
-- test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
--echo "$as_me: error: cannot find input file: $f" >&2;}
-- { (exit 1); exit 1; }; }
-- # Do quote $f, to prevent DOS paths from being IFS'd.
-- echo "$f";;
-- *) # Relative
-- if test -f "$f"; then
-- # Build tree
-- echo "$f"
-- elif test -f "$srcdir/$f"; then
-- # Source tree
-- echo "$srcdir/$f"
-- else
-- # /dev/null tree
-- { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
--echo "$as_me: error: cannot find input file: $f" >&2;}
-- { (exit 1); exit 1; }; }
-- fi;;
-- esac
-- done` || { (exit 1); exit 1; }
-- # Remove the trailing spaces.
-- sed 's/[ ]*$//' $ac_file_inputs >$tmp/in
--
--_ACEOF
--
--# Transform confdefs.h into two sed scripts, `conftest.defines' and
--# `conftest.undefs', that substitutes the proper values into
--# config.h.in to produce config.h. The first handles `#define'
--# templates, and the second `#undef' templates.
--# And first: Protect against being on the right side of a sed subst in
--# config.status. Protect against being in an unquoted here document
--# in config.status.
--rm -f conftest.defines conftest.undefs
--# Using a here document instead of a string reduces the quoting nightmare.
--# Putting comments in sed scripts is not portable.
--#
--# `end' is used to avoid that the second main sed command (meant for
--# 0-ary CPP macros) applies to n-ary macro definitions.
--# See the Autoconf documentation for `clear'.
--cat >confdef2sed.sed <<\_ACEOF
--s/[\\&,]/\\&/g
--s,[\\$`],\\&,g
--t clear
--: clear
--s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*\)\(([^)]*)\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
--t end
--s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
--: end
--_ACEOF
--# If some macros were called several times there might be several times
--# the same #defines, which is useless. Nevertheless, we may not want to
--# sort them, since we want the *last* AC-DEFINE to be honored.
--uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines
--sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs
--rm -f confdef2sed.sed
--
--# This sed command replaces #undef with comments. This is necessary, for
--# example, in the case of _POSIX_SOURCE, which is predefined and required
--# on some systems where configure will not decide to define it.
--cat >>conftest.undefs <<\_ACEOF
--s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
--_ACEOF
--
--# Break up conftest.defines because some shells have a limit on the size
--# of here documents, and old seds have small limits too (100 cmds).
--echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
--echo ' if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
--echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
--echo ' :' >>$CONFIG_STATUS
--rm -f conftest.tail
--while grep . conftest.defines >/dev/null
--do
-- # Write a limited-size here document to $tmp/defines.sed.
-- echo ' cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
-- # Speed up: don't consider the non `#define' lines.
-- echo '/^[ ]*#[ ]*define/!b' >>$CONFIG_STATUS
-- # Work around the forget-to-reset-the-flag bug.
-- echo 't clr' >>$CONFIG_STATUS
-- echo ': clr' >>$CONFIG_STATUS
-- sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS
-- echo 'CEOF
-- sed -f $tmp/defines.sed $tmp/in >$tmp/out
-- rm -f $tmp/in
-- mv $tmp/out $tmp/in
--' >>$CONFIG_STATUS
-- sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail
-- rm -f conftest.defines
-- mv conftest.tail conftest.defines
--done
--rm -f conftest.defines
--echo ' fi # grep' >>$CONFIG_STATUS
--echo >>$CONFIG_STATUS
--
--# Break up conftest.undefs because some shells have a limit on the size
--# of here documents, and old seds have small limits too (100 cmds).
--echo ' # Handle all the #undef templates' >>$CONFIG_STATUS
--rm -f conftest.tail
--while grep . conftest.undefs >/dev/null
--do
-- # Write a limited-size here document to $tmp/undefs.sed.
-- echo ' cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
-- # Speed up: don't consider the non `#undef'
-- echo '/^[ ]*#[ ]*undef/!b' >>$CONFIG_STATUS
-- # Work around the forget-to-reset-the-flag bug.
-- echo 't clr' >>$CONFIG_STATUS
-- echo ': clr' >>$CONFIG_STATUS
-- sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS
-- echo 'CEOF
-- sed -f $tmp/undefs.sed $tmp/in >$tmp/out
-- rm -f $tmp/in
-- mv $tmp/out $tmp/in
--' >>$CONFIG_STATUS
-- sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail
-- rm -f conftest.undefs
-- mv conftest.tail conftest.undefs
--done
--rm -f conftest.undefs
--
--cat >>$CONFIG_STATUS <<\_ACEOF
-- # Let's still pretend it is `configure' which instantiates (i.e., don't
-- # use $as_me), people would be surprised to read:
-- # /* config.h. Generated by config.status. */
-- if test x"$ac_file" = x-; then
-- echo "/* Generated by configure. */" >$tmp/config.h
-- else
-- echo "/* $ac_file. Generated by configure. */" >$tmp/config.h
-- fi
-- cat $tmp/in >>$tmp/config.h
-- rm -f $tmp/in
-- if test x"$ac_file" != x-; then
-- if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
-- { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
--echo "$as_me: $ac_file is unchanged" >&6;}
-- else
-- ac_dir=`(dirname "$ac_file") 2>/dev/null ||
--$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$ac_file" : 'X\(//\)[^/]' \| \
-- X"$ac_file" : 'X\(//\)$' \| \
-- X"$ac_file" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$ac_file" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- { if $as_mkdir_p; then
-- mkdir -p "$ac_dir"
-- else
-- as_dir="$ac_dir"
-- as_dirs=
-- while test ! -d "$as_dir"; do
-- as_dirs="$as_dir $as_dirs"
-- as_dir=`(dirname "$as_dir") 2>/dev/null ||
--$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$as_dir" : 'X\(//\)[^/]' \| \
-- X"$as_dir" : 'X\(//\)$' \| \
-- X"$as_dir" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$as_dir" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- done
-- test ! -n "$as_dirs" || mkdir $as_dirs
-- fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
--echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-- { (exit 1); exit 1; }; }; }
--
-- rm -f $ac_file
-- mv $tmp/config.h $ac_file
-- fi
-- else
-- cat $tmp/config.h
-- rm -f $tmp/config.h
-- fi
--# Compute $ac_file's index in $config_headers.
--_am_stamp_count=1
--for _am_header in $config_headers :; do
-- case $_am_header in
-- $ac_file | $ac_file:* )
-- break ;;
-- * )
-- _am_stamp_count=`expr $_am_stamp_count + 1` ;;
-- esac
--done
--echo "timestamp for $ac_file" >`(dirname $ac_file) 2>/dev/null ||
--$as_expr X$ac_file : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X$ac_file : 'X\(//\)[^/]' \| \
-- X$ac_file : 'X\(//\)$' \| \
-- X$ac_file : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X$ac_file |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`/stamp-h$_am_stamp_count
--done
--_ACEOF
--cat >>$CONFIG_STATUS <<\_ACEOF
--
--#
--# CONFIG_COMMANDS section.
--#
--for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue
-- ac_dest=`echo "$ac_file" | sed 's,:.*,,'`
-- ac_source=`echo "$ac_file" | sed 's,[^:]*:,,'`
-- ac_dir=`(dirname "$ac_dest") 2>/dev/null ||
--$as_expr X"$ac_dest" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$ac_dest" : 'X\(//\)[^/]' \| \
-- X"$ac_dest" : 'X\(//\)$' \| \
-- X"$ac_dest" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$ac_dest" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- { if $as_mkdir_p; then
-- mkdir -p "$ac_dir"
-- else
-- as_dir="$ac_dir"
-- as_dirs=
-- while test ! -d "$as_dir"; do
-- as_dirs="$as_dir $as_dirs"
-- as_dir=`(dirname "$as_dir") 2>/dev/null ||
--$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$as_dir" : 'X\(//\)[^/]' \| \
-- X"$as_dir" : 'X\(//\)$' \| \
-- X"$as_dir" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$as_dir" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- done
-- test ! -n "$as_dirs" || mkdir $as_dirs
-- fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
--echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-- { (exit 1); exit 1; }; }; }
--
-- ac_builddir=.
--
--if test "$ac_dir" != .; then
-- ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-- # A "../" for each directory in $ac_dir_suffix.
-- ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
--else
-- ac_dir_suffix= ac_top_builddir=
--fi
--
--case $srcdir in
-- .) # No --srcdir option. We are building in place.
-- ac_srcdir=.
-- if test -z "$ac_top_builddir"; then
-- ac_top_srcdir=.
-- else
-- ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-- fi ;;
-- [\\/]* | ?:[\\/]* ) # Absolute path.
-- ac_srcdir=$srcdir$ac_dir_suffix;
-- ac_top_srcdir=$srcdir ;;
-- *) # Relative path.
-- ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-- ac_top_srcdir=$ac_top_builddir$srcdir ;;
--esac
--
--# Do not use `cd foo && pwd` to compute absolute paths, because
--# the directories may not exist.
--case `pwd` in
--.) ac_abs_builddir="$ac_dir";;
--*)
-- case "$ac_dir" in
-- .) ac_abs_builddir=`pwd`;;
-- [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-- *) ac_abs_builddir=`pwd`/"$ac_dir";;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_top_builddir=${ac_top_builddir}.;;
--*)
-- case ${ac_top_builddir}. in
-- .) ac_abs_top_builddir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-- *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_srcdir=$ac_srcdir;;
--*)
-- case $ac_srcdir in
-- .) ac_abs_srcdir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-- *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-- esac;;
--esac
--case $ac_abs_builddir in
--.) ac_abs_top_srcdir=$ac_top_srcdir;;
--*)
-- case $ac_top_srcdir in
-- .) ac_abs_top_srcdir=$ac_abs_builddir;;
-- [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-- *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-- esac;;
--esac
--
--
-- { echo "$as_me:$LINENO: executing $ac_dest commands" >&5
--echo "$as_me: executing $ac_dest commands" >&6;}
-- case $ac_dest in
-- depfiles ) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
-- # Strip MF so we end up with the name of the file.
-- mf=`echo "$mf" | sed -e 's/:.*$//'`
-- # Check whether this is an Automake generated Makefile or not.
-- # We used to match only the files named `Makefile.in', but
-- # some people rename them; so instead we look at the file content.
-- # Grep'ing the first line is not enough: some people post-process
-- # each Makefile.in and add a new line on top of each file to say so.
-- # So let's grep whole file.
-- if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
-- dirpart=`(dirname "$mf") 2>/dev/null ||
--$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$mf" : 'X\(//\)[^/]' \| \
-- X"$mf" : 'X\(//\)$' \| \
-- X"$mf" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$mf" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- else
-- continue
-- fi
-- # Extract the definition of DEPDIR, am__include, and am__quote
-- # from the Makefile without running `make'.
-- DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
-- test -z "$DEPDIR" && continue
-- am__include=`sed -n 's/^am__include = //p' < "$mf"`
-- test -z "am__include" && continue
-- am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-- # When using ansi2knr, U may be empty or an underscore; expand it
-- U=`sed -n 's/^U = //p' < "$mf"`
-- # Find all dependency output files, they are included files with
-- # $(DEPDIR) in their names. We invoke sed twice because it is the
-- # simplest approach to changing $(DEPDIR) to its actual value in the
-- # expansion.
-- for file in `sed -n "
-- s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-- sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
-- # Make sure the directory exists.
-- test -f "$dirpart/$file" && continue
-- fdir=`(dirname "$file") 2>/dev/null ||
--$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$file" : 'X\(//\)[^/]' \| \
-- X"$file" : 'X\(//\)$' \| \
-- X"$file" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$file" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- { if $as_mkdir_p; then
-- mkdir -p $dirpart/$fdir
-- else
-- as_dir=$dirpart/$fdir
-- as_dirs=
-- while test ! -d "$as_dir"; do
-- as_dirs="$as_dir $as_dirs"
-- as_dir=`(dirname "$as_dir") 2>/dev/null ||
--$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-- X"$as_dir" : 'X\(//\)[^/]' \| \
-- X"$as_dir" : 'X\(//\)$' \| \
-- X"$as_dir" : 'X\(/\)' \| \
-- . : '\(.\)' 2>/dev/null ||
--echo X"$as_dir" |
-- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-- /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-- /^X\(\/\/\)$/{ s//\1/; q; }
-- /^X\(\/\).*/{ s//\1/; q; }
-- s/.*/./; q'`
-- done
-- test ! -n "$as_dirs" || mkdir $as_dirs
-- fi || { { echo "$as_me:$LINENO: error: cannot create directory $dirpart/$fdir" >&5
--echo "$as_me: error: cannot create directory $dirpart/$fdir" >&2;}
-- { (exit 1); exit 1; }; }; }
--
-- # echo "creating $dirpart/$file"
-- echo '# dummy' > "$dirpart/$file"
-- done
--done
-- ;;
-- esac
--done
--_ACEOF
--
--cat >>$CONFIG_STATUS <<\_ACEOF
--
--{ (exit 0); exit 0; }
--_ACEOF
--chmod +x $CONFIG_STATUS
--ac_clean_files=$ac_clean_files_save
--
--
--# configure is writing to config.log, and then calls config.status.
--# config.status does its own redirection, appending to config.log.
--# Unfortunately, on DOS this fails, as config.log is still kept open
--# by configure, so config.status won't be able to write to it; its
--# output is simply discarded. So we exec the FD to /dev/null,
--# effectively closing config.log, so it can be properly (re)opened and
--# appended to by config.status. When coming back to configure, we
--# need to make the FD available again.
--if test "$no_create" != yes; then
-- ac_cs_success=:
-- ac_config_status_args=
-- test "$silent" = yes &&
-- ac_config_status_args="$ac_config_status_args --quiet"
-- exec 5>/dev/null
-- $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
-- exec 5>>config.log
-- # Use ||, not &&, to avoid exiting from the if with $? = 1, which
-- # would make configure fail if this is the last instruction.
-- $ac_cs_success || { (exit 1); exit 1; }
--fi
--
-diff --git a/configure.ac b/configure.in
-similarity index 86%
-rename from configure.ac
-rename to configure.in
-index bb9e1d9..e5970af 100644
---- a/configure.ac
-+++ b/configure.in
-@@ -29,6 +29,65 @@ esac
- AC_SUBST(host_cpu)
- AC_SUBST(host_vendor)
-
-+# Specify the platform (such as firmware).
-+AC_ARG_WITH([platform],
-+ AS_HELP_STRING([--with-platform=PLATFORM],
-+ [select the host platform [[guessed]]]))
-+
-+# Guess the platform if not specified.
-+if test "x$with_platform" = x; then
-+ case "$host_cpu"-"$host_vendor" in
-+ i386-*) platform=pc ;;
-+ x86_64-*) platform=pc ;;
-+ *) AC_MSG_ERROR([unsupported machine type $host_cpu-$host_vendor]) ;;
-+ esac
-+else
-+ platform="$with_platform"
-+fi
-+
-+# Sanity check.
-+case "$host_cpu"-"$platform" in
-+ i386-pc) ;;
-+ i386-efi) ;;
-+ x86_64-pc) ;;
-+ x86_64-efi) ;;
-+ *) AC_MSG_ERROR([unsupported machine type "$host_cpu"-"$platform"]) ;;
-+esac
-+
-+if test "x$platform" = xefi; then
-+ case "$host_cpu" in
-+ i386) EFI_ARCH=ia32 ;;
-+ x86_64) EFI_ARCH=x86_64 ;;
-+ *) AC_MSG_ERROR([unsupported machine type "$host_cpu"]) ;;
-+ esac
-+ AC_SUBST(EFI_ARCH)
-+fi
-+
-+gnuefi_path=${libdir}/gnuefi
-+gnuefi_crt0=${gnuefi_path}/crt0-efi-${EFI_ARCH}.o
-+if ! test -f $gnuefi_crt0 ; then
-+ gnuefi_crt0=crt0-efi.o
-+fi
-+GNUEFI_CRT0=${gnuefi_crt0}
-+AC_SUBST(GNUEFI_CRT0)
-+gnuefi_lds=${gnuefi_path}/elf_${EFI_ARCH}_efi.lds
-+if ! test -f $gnuefi_lds ; then
-+ gnuefi_lds=${EFI_ARCH}/elf_efi.lds
-+fi
-+GNUEFI_LDS=${gnuefi_lds}
-+AC_SUBST(GNUEFI_LDS)
-+LIBGNUEFI=${libdir}/libgnuefi.a
-+AC_SUBST(LIBGNUEFI)
-+LIBEFI=${libdir}/libefi.a
-+AC_SUBST(LIBEFI)
-+
-+AC_SUBST(platform)
-+AM_CONDITIONAL(PLATFORM_EFI, test "x$platform" = xefi)
-+
-+if test "x$platform" = xefi; then
-+ AC_DEFINE(PLATFORM_EFI, 1, [Define if you run on EFI platform.])
-+fi
-+
- #
- # Options
- #
-@@ -46,7 +105,7 @@ if test "x$CFLAGS" = x; then
- default_CFLAGS=yes
- fi
-
--if test "x$host_cpu" = xx86_64; then
-+if test "x$platform" = xpc -a "x$host_cpu" = xx86_64; then
- CFLAGS="-m32 $CFLAGS"
- fi
-
-@@ -63,6 +122,8 @@ dnl Because recent automake complains about AS, set it here.
- CCAS="$CC"
- AC_SUBST(CCAS)
-
-+_AM_DEPENDENCIES(CCAS)
-+
- AC_ARG_WITH(binutils,
- [ --with-binutils=DIR search the directory DIR to find binutils])
-
-@@ -114,6 +175,20 @@ if test "x$ac_cv_prog_gcc" = xyes; then
- fi
- fi
- fi
-+STAGE2_CFLAGS="$STAGE2_CFLAGS -isystem `$CC -print-file-name=include`"
-+
-+LIBGCC=$(gcc $CFLAGS -static-libgcc -print-libgcc-file-name)
-+AC_SUBST(LIBGCC)
-+
-+LOADER_LDFLAGS="-Wl,--build-id=none ${LIBGCC}"
-+AC_SUBST(LOADER_LDFLAGS)
-+
-+if test "x$platform" = xefi; then
-+ STAGE2_CFLAGS="$STAGE2_CFLAGS -fpic -fshort-wchar -fno-strict-aliasing -fno-merge-constants -fno-reorder-functions"
-+ if test "x$EFI_ARCH" = xx86_64; then
-+ STAGE2_CFLAGS="$STAGE2_CFLAGS -DEFI_FUNCTION_WRAPPER"
-+ fi
-+fi
-
- AC_SUBST(STAGE1_CFLAGS)
- AC_SUBST(STAGE2_CFLAGS)
-@@ -159,9 +234,12 @@ fi
-
- # Defined in acinclude.m4.
- grub_ASM_USCORE
--grub_PROG_OBJCOPY_ABSOLUTE
--if test "x$grub_cv_prog_objcopy_absolute" != xyes; then
-- AC_MSG_ERROR([GRUB requires a working absolute objcopy; upgrade your binutils])
-+
-+if test "x$platform" != xefi; then
-+ grub_PROG_OBJCOPY_ABSOLUTE
-+ if test "x$grub_cv_prog_objcopy_absolute" != xyes; then
-+ AC_MSG_ERROR([GRUB requires a working absolute objcopy; upgrade your binutils])
-+ fi
- fi
-
- grub_ASM_PREFIX_REQUIREMENT
-@@ -207,9 +285,9 @@ AC_CHECK_LIB(util, opendisk, [GRUB_LIBS="$GRUB_LIBS -lutil"
-
- # Unless the user specify --without-curses, check for curses.
- if test "x$with_curses" != "xno"; then
-- AC_CHECK_LIB(ncurses, wgetch, [GRUB_LIBS="$GRUB_LIBS -lncurses"
-+ AC_CHECK_LIB(ncurses, wgetch, [GRUB_LIBS="$GRUB_LIBS -Wl,-Bstatic -lncurses -ltinfo -Wl,-Bdynamic"
- AC_DEFINE(HAVE_LIBCURSES, 1, [Define if you have a curses library])],
-- [AC_CHECK_LIB(curses, wgetch, [GRUB_LIBS="$GRUB_LIBS -lcurses"
-+ [AC_CHECK_LIB(curses, wgetch, [GRUB_LIBS="$GRUB_LIBS -Wl,-Bstatic -lcurses -Wl,-Bdynamic"
- AC_DEFINE(HAVE_LIBCURSES, 1, [Define if you have a curses library])])])
- fi
-
-@@ -595,9 +673,18 @@ AC_ARG_ENABLE(diskless,
- [ --enable-diskless enable diskless support])
- AM_CONDITIONAL(DISKLESS_SUPPORT, test "x$enable_diskless" = xyes)
-
-+dnl Graphical splashscreen support
-+AC_ARG_ENABLE(graphics,
-+ [ --disable-graphics disable graphics terminal support])
-+AM_CONDITIONAL(GRAPHICS_SUPPORT, test "x$enable_graphics" != xno)
-+
- dnl Hercules terminal
--AC_ARG_ENABLE(hercules,
-- [ --disable-hercules disable hercules terminal support])
-+if test "x$platform" = xefi; then
-+ enable_hercules=no
-+else
-+ AC_ARG_ENABLE(hercules,
-+ [ --disable-hercules disable hercules terminal support])
-+fi
- AM_CONDITIONAL(HERCULES_SUPPORT, test "x$enable_hercules" != xno)
-
- dnl Serial terminal
-@@ -662,9 +749,13 @@ AC_SUBST(CCASFLAGS)
-
-
- dnl Output.
-+if test "x$platform" = xefi; then
-+ AC_CONFIG_FILES([efi/Makefile])
-+ AC_CONFIG_LINKS([efi/grub/cpu:efi/grub/$host_cpu])
-+fi
- AC_CONFIG_FILES([Makefile stage1/Makefile stage2/Makefile \
- docs/Makefile lib/Makefile util/Makefile \
-- grub/Makefile netboot/Makefile util/grub-image \
-- util/grub-install util/grub-md5-crypt \
-- util/grub-terminfo util/grub-set-default])
-+ grub/Makefile netboot/Makefile util/grub-crypt \
-+ util/grub-image util/grub-install util/grub-md5-crypt \
-+ util/grub-terminfo])
- AC_OUTPUT
-diff --git a/docs/.gitignore b/docs/.gitignore
-new file mode 100644
-index 0000000..e440faf
---- /dev/null
-+++ b/docs/.gitignore
-@@ -0,0 +1,3 @@
-+Makefile.in
-+Makefile
-+.deps
-diff --git a/docs/Makefile.am b/docs/Makefile.am
-index db99e2d..fe6b22b 100644
---- a/docs/Makefile.am
-+++ b/docs/Makefile.am
-@@ -2,7 +2,8 @@ info_TEXINFOS = grub.texi multiboot.texi
- grub_TEXINFOS = internals.texi
- EXAMPLES = boot.S kernel.c multiboot.h
- multiboot_TEXINFOS = boot.S.texi kernel.c.texi multiboot.h.texi
--man_MANS = grub.8 mbchk.1 grub-install.8 grub-md5-crypt.8 grub-terminfo.8
-+man_MANS = grub.8 mbchk.1 grub-crypt.8 grub-install.8 grub-md5-crypt.8 \
-+ grub-terminfo.8
- HELP2MAN = help2man
- SRC2TEXI = src2texi
- noinst_SCRIPTS = $(HELP2MAN) $(SRC2TEXI)
-@@ -51,6 +52,12 @@ $(srcdir)/mbchk.1: ../util/mbchk $(srcdir)/$(HELP2MAN)
- --name="check the format of a Multiboot kernel" \
- --section=1 --output=$@ $<
-
-+$(srcdir)/grub-crypt.8: ../util/grub-crypt $(srcdir)/$(HELP2MAN)
-+ chmod 755 $<
-+ $(PERL) $(srcdir)/$(HELP2MAN) \
-+ --name="Encrypt a password" \
-+ --section=8 --output=$@ $<
-+
- $(srcdir)/grub-md5-crypt.8: ../util/grub-md5-crypt $(srcdir)/$(HELP2MAN)
- chmod 755 $<
- $(PERL) $(srcdir)/$(HELP2MAN) \
-diff --git a/docs/Makefile.in b/docs/Makefile.in
-deleted file mode 100644
-index 3e2de4b..0000000
---- a/docs/Makefile.in
-+++ /dev/null
-@@ -1,770 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--
--SOURCES = $(kernel_SOURCES)
--
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--top_srcdir = @top_srcdir@
--VPATH = @srcdir@
--pkgdatadir = $(datadir)/@PACKAGE@
--pkglibdir = $(libdir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
--INSTALL = @INSTALL@
--install_sh_DATA = $(install_sh) -c -m 644
--install_sh_PROGRAM = $(install_sh) -c
--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
--transform = $(program_transform_name)
--NORMAL_INSTALL = :
--PRE_INSTALL = :
--POST_INSTALL = :
--NORMAL_UNINSTALL = :
--PRE_UNINSTALL = :
--POST_UNINSTALL = :
--build_triplet = @build@
--host_triplet = @host@
--EXTRA_PROGRAMS = kernel$(EXEEXT)
--@BUILD_EXAMPLE_KERNEL_TRUE@noinst_PROGRAMS = kernel$(EXEEXT)
--subdir = docs
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-- texinfo.tex
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--TEXINFOS = grub.texi multiboot.texi
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--NROFF = nroff
--MANS = $(man_MANS)
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--CTAGS = ctags
--DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
--ACLOCAL = @ACLOCAL@
--AMDEP_FALSE = @AMDEP_FALSE@
--AMDEP_TRUE = @AMDEP_TRUE@
--AMTAR = @AMTAR@
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--AUTOHEADER = @AUTOHEADER@
--AUTOMAKE = @AUTOMAKE@
--AWK = @AWK@
--BUILD_EXAMPLE_KERNEL_FALSE = @BUILD_EXAMPLE_KERNEL_FALSE@
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--CC = @CC@
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--CCDEPMODE = @CCDEPMODE@
--CFLAGS = @CFLAGS@
--CPP = @CPP@
--CPPFLAGS = @CPPFLAGS@
--CYGPATH_W = @CYGPATH_W@
--DEFS = @DEFS@
--DEPDIR = @DEPDIR@
--DISKLESS_SUPPORT_FALSE = @DISKLESS_SUPPORT_FALSE@
--DISKLESS_SUPPORT_TRUE = @DISKLESS_SUPPORT_TRUE@
--ECHO_C = @ECHO_C@
--ECHO_N = @ECHO_N@
--ECHO_T = @ECHO_T@
--EGREP = @EGREP@
--EXEEXT = @EXEEXT@
--FSYS_CFLAGS = @FSYS_CFLAGS@
--GRUB_CFLAGS = @GRUB_CFLAGS@
--GRUB_LIBS = @GRUB_LIBS@
--HERCULES_SUPPORT_FALSE = @HERCULES_SUPPORT_FALSE@
--HERCULES_SUPPORT_TRUE = @HERCULES_SUPPORT_TRUE@
--INSTALL_DATA = @INSTALL_DATA@
--INSTALL_PROGRAM = @INSTALL_PROGRAM@
--INSTALL_SCRIPT = @INSTALL_SCRIPT@
--INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
--LDFLAGS = @LDFLAGS@
--LIBOBJS = @LIBOBJS@
--LIBS = @LIBS@
--LTLIBOBJS = @LTLIBOBJS@
--MAINT = @MAINT@
--MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
--MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
--MAKEINFO = @MAKEINFO@
--NETBOOT_DRIVERS = @NETBOOT_DRIVERS@
--NETBOOT_SUPPORT_FALSE = @NETBOOT_SUPPORT_FALSE@
--NETBOOT_SUPPORT_TRUE = @NETBOOT_SUPPORT_TRUE@
--NET_CFLAGS = @NET_CFLAGS@
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--PACKAGE_STRING = @PACKAGE_STRING@
--PACKAGE_TARNAME = @PACKAGE_TARNAME@
--PACKAGE_VERSION = @PACKAGE_VERSION@
--PATH_SEPARATOR = @PATH_SEPARATOR@
--PERL = @PERL@
--RANLIB = @RANLIB@
--SERIAL_SPEED_SIMULATION_FALSE = @SERIAL_SPEED_SIMULATION_FALSE@
--SERIAL_SPEED_SIMULATION_TRUE = @SERIAL_SPEED_SIMULATION_TRUE@
--SERIAL_SUPPORT_FALSE = @SERIAL_SUPPORT_FALSE@
--SERIAL_SUPPORT_TRUE = @SERIAL_SUPPORT_TRUE@
--SET_MAKE = @SET_MAKE@
--SHELL = @SHELL@
--STAGE1_CFLAGS = @STAGE1_CFLAGS@
--STAGE2_CFLAGS = @STAGE2_CFLAGS@
--STRIP = @STRIP@
--VERSION = @VERSION@
--ac_ct_CC = @ac_ct_CC@
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--ac_ct_RANLIB = @ac_ct_RANLIB@
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--am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
--am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
--am__include = @am__include@
--am__leading_dot = @am__leading_dot@
--am__quote = @am__quote@
--am__tar = @am__tar@
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--build_vendor = @build_vendor@
--datadir = @datadir@
--exec_prefix = @exec_prefix@
--host = @host@
--host_alias = @host_alias@
--host_cpu = @host_cpu@
--host_os = @host_os@
--host_vendor = @host_vendor@
--includedir = @includedir@
--infodir = @infodir@
--install_sh = @install_sh@
--libdir = @libdir@
--libexecdir = @libexecdir@
--localstatedir = @localstatedir@
--mandir = @mandir@
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--sysconfdir = @sysconfdir@
--target_alias = @target_alias@
--info_TEXINFOS = grub.texi multiboot.texi
--grub_TEXINFOS = internals.texi
--EXAMPLES = boot.S kernel.c multiboot.h
--multiboot_TEXINFOS = boot.S.texi kernel.c.texi multiboot.h.texi
--man_MANS = grub.8 mbchk.1 grub-install.8 grub-md5-crypt.8 grub-terminfo.8
--HELP2MAN = help2man
--SRC2TEXI = src2texi
--noinst_SCRIPTS = $(HELP2MAN) $(SRC2TEXI)
--@BUILD_EXAMPLE_KERNEL_TRUE@kernel_SOURCES = $(EXAMPLES)
--@BUILD_EXAMPLE_KERNEL_TRUE@kernel_CFLAGS = -fno-builtin -nostdinc -O -g -Wall \
--@BUILD_EXAMPLE_KERNEL_TRUE@ -imacros $(top_builddir)/config.h
--
--@BUILD_EXAMPLE_KERNEL_TRUE@kernel_LDFLAGS = -nostdlib -Wl,-N -Wl,-Ttext -Wl,100000
--EXTRA_DIST = menu.lst $(man_MANS) $(noinst_SCRIPTS) \
-- $(EXAMPLES) $(multiboot_TEXINFOS)
--
--CLEANFILES = $(noinst_PROGRAMS)
--all: all-am
--
--.SUFFIXES:
--.SUFFIXES: .S .c .dvi .html .info .o .obj .pdf .ps .texi
--$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
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-- && exit 0; \
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-- echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu docs/Makefile'; \
-- cd $(top_srcdir) && \
-- $(AUTOMAKE) --gnu docs/Makefile
--.PRECIOUS: Makefile
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-- $(LINK) $(kernel_LDFLAGS) $(kernel_OBJECTS) $(kernel_LDADD) $(LIBS)
--
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-- if $(MAKEINFOHTML) $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) \
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-- rm -rf $@; \
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-- else \
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-- exit 1; \
-- fi
--$(srcdir)/grub.info: grub.texi $(srcdir)/version.texi $(grub_TEXINFOS)
--grub.dvi: grub.texi $(srcdir)/version.texi $(grub_TEXINFOS)
--grub.pdf: grub.texi $(srcdir)/version.texi $(grub_TEXINFOS)
--grub.html: grub.texi $(srcdir)/version.texi $(grub_TEXINFOS)
--$(srcdir)/version.texi: @MAINTAINER_MODE_TRUE@ $(srcdir)/stamp-vti
--$(srcdir)/stamp-vti: grub.texi $(top_srcdir)/configure
-- @(dir=.; test -f ./grub.texi || dir=$(srcdir); \
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--
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--@MAINTAINER_MODE_TRUE@ chmod 755 $<
--@MAINTAINER_MODE_TRUE@ $(PERL) $(srcdir)/$(HELP2MAN) \
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--# Tell versions [3.59,3.63) of GNU make to not export all variables.
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-diff --git a/docs/grub-crypt.8 b/docs/grub-crypt.8
-new file mode 100644
-index 0000000..eb132d7
---- /dev/null
-+++ b/docs/grub-crypt.8
-@@ -0,0 +1,39 @@
-+.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
-+.TH GRUB-CRYPT "1" "January 2010" "grub-crypt (GNU GRUB 0.97)" FSF
-+.SH NAME
-+grub-crypt \- manual page for grub-crypt (GNU GRUB 0.97)
-+.SH SYNOPSIS
-+.B grub-crypt
-+[\fIOPTION\fR]...
-+.SH DESCRIPTION
-+Encrypt a password.
-+.TP
-+\fB\-h\fR, \fB\-\-help\fR
-+Print this message and exit
-+.TP
-+\fB\-v\fR, \fB\-\-version\fR
-+Print the version information and exit
-+.TP
-+\fB\-\-md5\fR
-+Use MD5 to encrypt the password
-+.TP
-+\fB\-\-sha\-256\fR
-+Use SHA-256 to encrypt the password
-+.TP
-+\fB\-\-sha\-512\fR
-+Use SHA-512 to encrypt the password (default)
-+.SH "REPORTING BUGS"
-+Report bugs to <bug-grub(a)gnu.org>.
-+EOF
-+.SH "SEE ALSO"
-+The full documentation for
-+.B grub-crypt
-+is maintained as a Texinfo manual. If the
-+.B info
-+and
-+.B grub-crypt
-+programs are properly installed at your site, the command
-+.IP
-+.B info grub-crypt
-+.PP
-+should give you access to the complete manual.
-diff --git a/docs/grub-install.8 b/docs/grub-install.8
-index ac588a3..accff22 100644
---- a/docs/grub-install.8
-+++ b/docs/grub-install.8
-@@ -30,6 +30,8 @@ BIOS
- .TP
- \fB\-\-recheck\fR
- probe a device map even if it already exists
-+
-+This option is unreliable and its use is strongly discouraged.
- .PP
- INSTALL_DEVICE can be a GRUB device name or a system device filename.
- .PP
-diff --git a/docs/grub.8 b/docs/grub.8
-index 92149f7..7a087d6 100644
---- a/docs/grub.8
-+++ b/docs/grub.8
-@@ -15,7 +15,7 @@ turn on batch mode for non-interactive use
- specify stage2 boot_drive [default=0x0]
- .TP
- \fB\-\-config\-file\fR=\fIFILE\fR
--specify stage2 config_file [default=/boot/grub/menu.lst]
-+specify stage2 config_file [default=/boot/grub/grub.conf]
- .TP
- \fB\-\-device\-map\fR=\fIFILE\fR
- use the device map file FILE
-diff --git a/docs/grub.info b/docs/grub.info
-index f48783c..7692f31 100644
---- a/docs/grub.info
-+++ b/docs/grub.info
-@@ -1,5 +1,4 @@
--This is ../../docs/grub.info, produced by makeinfo version 4.8 from
--../../docs/grub.texi.
-+This is grub.info, produced by makeinfo version 4.9 from grub.texi.
-
- INFO-DIR-SECTION Kernel
- START-INFO-DIR-ENTRY
-@@ -1147,7 +1146,7 @@ your OS. There's a solution to that - GRUB provides a menu interface
- (*note Menu interface::) from which you can select an item (using arrow
- keys) that will do everything to boot an OS.
-
-- To enable the menu, you need a configuration file, `menu.lst' under
-+ To enable the menu, you need a configuration file, `grub.conf' under
- the boot directory. We'll analyze an example file.
-
- The file first contains some general settings, the menu interface
-@@ -1693,12 +1692,12 @@ There are two ways to specify files, by "absolute file name" and by
-
- An absolute file name resembles a Unix absolute file name, using `/'
- for the directory separator (not `\' as in DOS). One example is
--`(hd0,0)/boot/grub/menu.lst'. This means the file `/boot/grub/menu.lst'
--in the first partition of the first hard disk. If you omit the device
--name in an absolute file name, GRUB uses GRUB's "root device"
--implicitly. So if you set the root device to, say, `(hd1,0)' by the
--command `root' (*note root::), then `/boot/kernel' is the same as
--`(hd1,0)/boot/kernel'.
-+`(hd0,0)/boot/grub/grub.conf'. This means the file
-+`/boot/grub/grub.conf' in the first partition of the first hard disk.
-+If you omit the device name in an absolute file name, GRUB uses GRUB's
-+"root device" implicitly. So if you set the root device to, say,
-+`(hd1,0)' by the command `root' (*note root::), then `/boot/kernel' is
-+the same as `(hd1,0)/boot/kernel'.
-
-
- File: grub.info, Node: Block list syntax, Prev: File name syntax, Up: Filesystem
-@@ -2023,6 +2022,7 @@ Commands usable anywhere in the menu and in the command-line.
- * rarp:: Initialize a network device via RARP
- * serial:: Set up a serial device
- * setkey:: Configure the key map
-+* splashimage:: Use a splash image
- * terminal:: Choose a terminal
- * terminfo:: Define escape sequences for a terminal
- * tftpserver:: Specify a TFTP server
-@@ -2258,7 +2258,7 @@ File: grub.info, Node: serial, Next: setkey, Prev: rarp, Up: General command
- support. See also *Note Serial terminal::.
-
-
--File: grub.info, Node: setkey, Next: terminal, Prev: serial, Up: General commands
-+File: grub.info, Node: setkey, Next: splashimage, Prev: serial, Up: General commands
-
- 13.2.13 setkey
- --------------
-@@ -2384,9 +2384,20 @@ File: grub.info, Node: setkey, Next: terminal, Prev: serial, Up: General com
- ` '
-
-
--File: grub.info, Node: terminal, Next: terminfo, Prev: setkey, Up: General commands
-+File: grub.info, Node: splashimage, Next: terminal, Prev: setkey, Up: General commands
-
--13.2.14 terminal
-+13.2.14 splashimage
-+-------------------
-+
-+ -- Command: splashimage file
-+ Select an image to use as the background image. This should be
-+ specified using normal GRUB device naming syntax. The format of
-+ the file is a gzipped xpm which is 640x480 with a 14 color palette.
-+
-+
-+File: grub.info, Node: terminal, Next: terminfo, Prev: splashimage, Up: General commands
-+
-+13.2.15 terminal
- ----------------
-
- -- Command: terminal [`--dumb'] [`--no-echo'] [`--no-edit']
-@@ -2421,7 +2432,7 @@ File: grub.info, Node: terminal, Next: terminfo, Prev: setkey, Up: General c
-
- File: grub.info, Node: terminfo, Next: tftpserver, Prev: terminal, Up: General commands
-
--13.2.15 terminfo
-+13.2.16 terminfo
- ----------------
-
- -- Command: terminfo `--name=name' `--cursor-address=seq'
-@@ -2439,7 +2450,7 @@ File: grub.info, Node: terminfo, Next: tftpserver, Prev: terminal, Up: Gener
-
- File: grub.info, Node: tftpserver, Next: unhide, Prev: terminfo, Up: General commands
-
--13.2.16 tftpserver
-+13.2.17 tftpserver
- ------------------
-
- -- Command: tftpserver ipaddr
-@@ -2454,7 +2465,7 @@ File: grub.info, Node: tftpserver, Next: unhide, Prev: terminfo, Up: General
-
- File: grub.info, Node: unhide, Prev: tftpserver, Up: General commands
-
--13.2.17 unhide
-+13.2.18 unhide
- --------------
-
- -- Command: unhide partition
-@@ -3405,9 +3416,9 @@ calls with UNIX system calls and libc functions.
- grub shell just ignores this option.
-
- `--config-file=FILE'
-- Read the configuration file FILE instead of `/boot/grub/menu.lst'.
-- The format is the same as the normal GRUB syntax. See *Note
-- Filesystem::, for more information.
-+ Read the configuration file FILE instead of
-+ `/boot/grub/grub.conf'. The format is the same as the normal GRUB
-+ syntax. See *Note Filesystem::, for more information.
-
- `--boot-drive=DRIVE'
- Set the stage2 BOOT_DRIVE to DRIVE. This argument should be an
-@@ -3551,8 +3562,9 @@ name.
-
- `--recheck'
- Recheck the device map, even if `/boot/grub/device.map' already
-- exists. You should use this option whenever you add/remove a disk
-- into/from your computer.
-+ exists.
-+
-+ This option is unreliable and its use is strongly discouraged.
-
-
- File: grub.info, Node: Invoking grub-md5-crypt, Next: Invoking grub-terminfo, Prev: Invoking grub-install, Up: Top
-@@ -4279,6 +4291,7 @@ Index
- * serial: serial. (line 9)
- * setkey: setkey. (line 7)
- * setup: setup. (line 8)
-+* splashimage: splashimage. (line 7)
- * terminal: terminal. (line 9)
- * terminfo: terminfo. (line 9)
- * testload: testload. (line 7)
-@@ -4293,163 +4306,164 @@ Index
-
-
- Tag Table:
--Node: Top1487
--Node: Introduction3266
--Node: Overview3643
--Node: Overview-Footnotes5865
--Ref: Overview-Footnote-15926
--Node: History6087
--Node: Features7208
--Node: Features-Footnotes12976
--Ref: Features-Footnote-113037
--Node: Role of a boot loader13182
--Node: Role of a boot loader-Footnotes14520
--Ref: Role of a boot loader-Footnote-114607
--Node: Naming convention14686
--Node: Installation17621
--Node: Creating a GRUB boot floppy19363
--Node: Installing GRUB natively20181
--Node: Installing GRUB natively-Footnotes22461
--Ref: Installing GRUB natively-Footnote-122554
--Node: Installing GRUB using grub-install22739
--Node: Making a GRUB bootable CD-ROM25685
--Node: Making a GRUB bootable CD-ROM-Footnotes27730
--Ref: Making a GRUB bootable CD-ROM-Footnote-127833
--Node: Booting27908
--Node: General boot methods28363
--Node: Loading an operating system directly29104
--Node: Chain-loading30408
--Node: Chain-loading-Footnotes31718
--Ref: Chain-loading-Footnote-131789
--Node: OS-specific notes31861
--Node: GNU/Hurd32237
--Node: GNU/Linux32856
--Node: FreeBSD34104
--Node: NetBSD34617
--Node: OpenBSD35275
--Node: DOS/Windows35475
--Node: SCO UnixWare37301
--Node: QNX37719
--Node: Making your system robust37969
--Node: Booting once-only39294
--Node: Booting fallback systems41219
--Node: Configuration44066
--Node: Network48495
--Node: General usage of network support48989
--Node: General usage of network support-Footnotes50850
--Ref: General usage of network support-Footnote-150959
--Node: Diskless51027
--Node: Serial terminal53211
--Node: Preset Menu55444
--Node: Security57812
--Node: Images60620
--Node: Filesystem63131
--Node: Device syntax63814
--Node: File name syntax65308
--Node: Block list syntax66051
--Node: Interface66784
--Node: Command-line interface67661
--Node: Command-line interface-Footnotes69602
--Ref: Command-line interface-Footnote-169691
--Node: Menu interface69786
--Node: Menu entry editor70796
--Node: Hidden menu interface71875
--Node: Commands72452
--Node: Menu-specific commands73029
--Node: default74200
--Node: fallback74678
--Node: hiddenmenu75229
--Node: timeout75717
--Node: title75995
--Node: General commands76266
--Node: bootp77579
--Node: color78058
--Node: device79532
--Node: dhcp80104
--Node: hide80689
--Node: ifconfig81066
--Node: pager81642
--Node: partnew81976
--Node: parttype82412
--Node: password82779
--Node: rarp83598
--Node: serial83899
--Node: setkey85172
--Node: terminal87341
--Node: terminfo88878
--Node: tftpserver89565
--Node: unhide90111
--Node: Command-line and menu entry commands90486
--Node: blocklist93017
--Node: boot93259
--Node: cat93580
--Node: chainloader93884
--Node: cmp94500
--Node: configfile95051
--Node: debug95265
--Node: displayapm95649
--Node: displaymem95860
--Node: embed96562
--Node: embed-Footnotes97096
--Ref: embed-Footnote-197151
--Node: find97208
--Node: fstest97588
--Node: geometry98273
--Node: halt98885
--Node: help99212
--Node: impsprobe99833
--Node: initrd100232
--Node: install100571
--Node: install-Footnotes103415
--Ref: install-Footnote-1103474
--Node: ioprobe103571
--Node: kernel103896
--Node: lock105016
--Node: makeactive105591
--Node: map105903
--Node: md5crypt106470
--Node: module106817
--Node: modulenounzip107394
--Node: pause107687
--Node: quit108101
--Node: reboot108377
--Node: read108558
--Node: root108800
--Node: rootnoverify109677
--Node: savedefault110232
--Node: setup111208
--Node: testload112274
--Node: testvbe112884
--Node: uppermem113255
--Node: vbeprobe113837
--Node: Troubleshooting114220
--Node: Stage1 errors114758
--Node: Stage1.5 errors116135
--Node: Stage2 errors116573
--Node: Invoking the grub shell124033
--Node: Basic usage124786
--Node: Installation under UNIX127073
--Node: Device map128748
--Node: Invoking grub-install129896
--Node: Invoking grub-md5-crypt131484
--Node: Invoking grub-terminfo132133
--Node: Invoking grub-set-default132899
--Node: Invoking mbchk134700
--Node: Obtaining and Building GRUB135214
--Node: Reporting bugs136631
--Node: Future139435
--Node: Internals139926
--Node: Memory map141149
--Node: Embedded data142627
--Node: Filesystem interface144644
--Node: Command interface148077
--Node: Bootstrap tricks149392
--Node: I/O ports detection151541
--Node: Memory detection151813
--Node: Low-level disk I/O152105
--Node: MBR152374
--Node: Partition table152571
--Node: Submitting patches152844
--Node: Index154332
-+Node: Top1465
-+Node: Introduction3244
-+Node: Overview3621
-+Node: Overview-Footnotes5843
-+Ref: Overview-Footnote-15904
-+Node: History6065
-+Node: Features7186
-+Node: Features-Footnotes12954
-+Ref: Features-Footnote-113015
-+Node: Role of a boot loader13160
-+Node: Role of a boot loader-Footnotes14498
-+Ref: Role of a boot loader-Footnote-114585
-+Node: Naming convention14664
-+Node: Installation17599
-+Node: Creating a GRUB boot floppy19341
-+Node: Installing GRUB natively20159
-+Node: Installing GRUB natively-Footnotes22439
-+Ref: Installing GRUB natively-Footnote-122532
-+Node: Installing GRUB using grub-install22717
-+Node: Making a GRUB bootable CD-ROM25663
-+Node: Making a GRUB bootable CD-ROM-Footnotes27708
-+Ref: Making a GRUB bootable CD-ROM-Footnote-127811
-+Node: Booting27886
-+Node: General boot methods28341
-+Node: Loading an operating system directly29082
-+Node: Chain-loading30386
-+Node: Chain-loading-Footnotes31696
-+Ref: Chain-loading-Footnote-131767
-+Node: OS-specific notes31839
-+Node: GNU/Hurd32215
-+Node: GNU/Linux32834
-+Node: FreeBSD34082
-+Node: NetBSD34595
-+Node: OpenBSD35253
-+Node: DOS/Windows35453
-+Node: SCO UnixWare37279
-+Node: QNX37697
-+Node: Making your system robust37947
-+Node: Booting once-only39272
-+Node: Booting fallback systems41197
-+Node: Configuration44044
-+Node: Network48474
-+Node: General usage of network support48968
-+Node: General usage of network support-Footnotes50829
-+Ref: General usage of network support-Footnote-150938
-+Node: Diskless51006
-+Node: Serial terminal53190
-+Node: Preset Menu55423
-+Node: Security57791
-+Node: Images60599
-+Node: Filesystem63110
-+Node: Device syntax63793
-+Node: File name syntax65287
-+Node: Block list syntax66032
-+Node: Interface66765
-+Node: Command-line interface67642
-+Node: Command-line interface-Footnotes69583
-+Ref: Command-line interface-Footnote-169672
-+Node: Menu interface69767
-+Node: Menu entry editor70777
-+Node: Hidden menu interface71856
-+Node: Commands72433
-+Node: Menu-specific commands73010
-+Node: default74181
-+Node: fallback74659
-+Node: hiddenmenu75210
-+Node: timeout75698
-+Node: title75976
-+Node: General commands76247
-+Node: bootp77611
-+Node: color78090
-+Node: device79564
-+Node: dhcp80136
-+Node: hide80721
-+Node: ifconfig81098
-+Node: pager81674
-+Node: partnew82008
-+Node: parttype82444
-+Node: password82811
-+Node: rarp83630
-+Node: serial83931
-+Node: setkey85204
-+Node: splashimage87376
-+Node: terminal87754
-+Node: terminfo89296
-+Node: tftpserver89983
-+Node: unhide90529
-+Node: Command-line and menu entry commands90904
-+Node: blocklist93435
-+Node: boot93677
-+Node: cat93998
-+Node: chainloader94302
-+Node: cmp94918
-+Node: configfile95469
-+Node: debug95683
-+Node: displayapm96067
-+Node: displaymem96278
-+Node: embed96980
-+Node: embed-Footnotes97514
-+Ref: embed-Footnote-197569
-+Node: find97626
-+Node: fstest98006
-+Node: geometry98691
-+Node: halt99303
-+Node: help99630
-+Node: impsprobe100251
-+Node: initrd100650
-+Node: install100989
-+Node: install-Footnotes103833
-+Ref: install-Footnote-1103892
-+Node: ioprobe103989
-+Node: kernel104314
-+Node: lock105434
-+Node: makeactive106009
-+Node: map106321
-+Node: md5crypt106888
-+Node: module107235
-+Node: modulenounzip107812
-+Node: pause108105
-+Node: quit108519
-+Node: reboot108795
-+Node: read108976
-+Node: root109218
-+Node: rootnoverify110095
-+Node: savedefault110650
-+Node: setup111626
-+Node: testload112692
-+Node: testvbe113302
-+Node: uppermem113673
-+Node: vbeprobe114255
-+Node: Troubleshooting114638
-+Node: Stage1 errors115176
-+Node: Stage1.5 errors116553
-+Node: Stage2 errors116991
-+Node: Invoking the grub shell124451
-+Node: Basic usage125204
-+Node: Installation under UNIX127492
-+Node: Device map129167
-+Node: Invoking grub-install130315
-+Node: Invoking grub-md5-crypt131884
-+Node: Invoking grub-terminfo132533
-+Node: Invoking grub-set-default133299
-+Node: Invoking mbchk135100
-+Node: Obtaining and Building GRUB135614
-+Node: Reporting bugs137031
-+Node: Future139835
-+Node: Internals140326
-+Node: Memory map141549
-+Node: Embedded data143027
-+Node: Filesystem interface145044
-+Node: Command interface148477
-+Node: Bootstrap tricks149792
-+Node: I/O ports detection151941
-+Node: Memory detection152213
-+Node: Low-level disk I/O152505
-+Node: MBR152774
-+Node: Partition table152971
-+Node: Submitting patches153244
-+Node: Index154732
-
- End Tag Table
-diff --git a/docs/grub.texi b/docs/grub.texi
-index 51d330a..5fd324d 100644
---- a/docs/grub.texi
-+++ b/docs/grub.texi
-@@ -21,6 +21,7 @@
- @dircategory Kernel
- @direntry
- * GRUB: (grub). The GRand Unified Bootloader
-+* grub-crypt: (grub)Invoking grub-crypt. Encrypt a password
- * grub-install: (grub)Invoking grub-install. Install GRUB on your drive
- * grub-md5-crypt: (grub)Invoking grub-md5-crypt. Encrypt a password
- in MD5 format
-@@ -115,8 +116,9 @@ This edition documents version @value{VERSION}.
- * Commands:: The list of available builtin commands
- * Troubleshooting:: Error messages produced by GRUB
- * Invoking the grub shell:: How to use the grub shell
-+* Invoking grub-crypt:: How to generate an encrypted password
- * Invoking grub-install:: How to use the GRUB installer
--* Invoking grub-md5-crypt:: How to generate a cryptic password
-+* Invoking grub-md5-crypt:: How to generate an MD5-encrypted password
- * Invoking grub-terminfo:: How to generate a terminfo command
- * Invoking grub-set-default:: How to set a default boot entry
- * Invoking mbchk:: How to use the Multiboot checker
-@@ -1265,7 +1267,7 @@ OS. There's a solution to that - GRUB provides a menu interface
- keys) that will do everything to boot an OS.
-
- To enable the menu, you need a configuration file,
--(a)file{menu.lst} under the boot directory. We'll analyze an example
-+(a)file{grub.conf} under the boot directory. We'll analyze an example
- file.
-
- The file first contains some general settings, the menu interface
-@@ -1685,27 +1687,17 @@ run the command @command{password} in your configuration file
- (@pxref{password}), like this:
-
- @example
--password --md5 PASSWORD
-+password --encrypted PASSWORD
- @end example
-
- If this is specified, GRUB disallows any interactive control, until you
- press the key @key{p} and enter a correct password. The option
--@option{--md5} tells GRUB that @samp{PASSWORD} is in MD5 format. If it
-+@option{--encrypted} tells GRUB that @samp{PASSWORD} is encrypted format. If it
- is omitted, GRUB assumes the @samp{PASSWORD} is in clear text.
-
--You can encrypt your password with the command @command{md5crypt}
--(@pxref{md5crypt}). For example, run the grub shell (@pxref{Invoking the
--grub shell}), and enter your password:
--
--@example
--@group
--grub> md5crypt
--Password: **********
--Encrypted: $1$U$JK7xFegdxWH6VuppCUSIb.
--@end group
--@end example
--
--Then, cut and paste the encrypted password to your configuration file.
-+You can encrypt your password with the program @command{grub-crypt}
-+(@pxref{Invoking grub-crypt}). Then, cut and paste the encrypted password to
-+your configuration file.
-
- Also, you can specify an optional argument to @command{password}. See
- this example:
-@@ -1882,8 +1874,8 @@ There are two ways to specify files, by @dfn{absolute file name} and by
-
- An absolute file name resembles a Unix absolute file name, using
- @samp{/} for the directory separator (not @samp{\} as in DOS). One
--example is @samp{(hd0,0)/boot/grub/menu.lst}. This means the file
--(a)file{/boot/grub/menu.lst} in the first partition of the first hard
-+example is @samp{(hd0,0)/boot/grub/grub.conf}. This means the file
-+(a)file{/boot/grub/grub.conf} in the first partition of the first hard
- disk. If you omit the device name in an absolute file name, GRUB uses
- GRUB's @dfn{root device} implicitly. So if you set the root device to,
- say, @samp{(hd1,0)} by the command @command{root} (@pxref{root}), then
-@@ -2199,6 +2191,7 @@ Commands usable anywhere in the menu and in the command-line.
- * rarp:: Initialize a network device via RARP
- * serial:: Set up a serial device
- * setkey:: Configure the key map
-+* splashimage:: Use a splash image
- * terminal:: Choose a terminal
- * terminfo:: Define escape sequences for a terminal
- * tftpserver:: Specify a TFTP server
-@@ -2398,7 +2391,7 @@ is the new partition type and must be a number in the range 0-0xff.
- @node password
- @subsection password
-
--@deffn Command password [@option{--md5}] passwd [new-config-file]
-+@deffn Command password [@option{--md5}] [@option{--encrypted}] passwd [new-config-file]
- If used in the first section of a menu file, disable all interactive
- editing control (menu entry editor and command-line) and entries
- protected by the command @command{lock}. If the password @var{passwd} is
-@@ -2408,7 +2401,9 @@ specified. Otherwise, GRUB will just unlock the privileged instructions.
- You can also use this command in the script section, in which case it
- will ask for the password, before continuing. The option
- @option{--md5} tells GRUB that @var{passwd} is encrypted with
--@command{md5crypt} (@pxref{md5crypt}).
-+@command{md5crypt} (@pxref{md5crypt}), the option @option{--encrypted}
-+tells GRUB that @var{passwd} is using one of the crypt formats (GRUB currently
-+supports MD5, SHA-256 and SHA-512 encryption).
- @end deffn
-
-
-@@ -2578,6 +2573,16 @@ character each of the symbols corresponds:
- @end deffn
-
-
-+@node splashimage
-+@subsection splashimage
-+
-+@deffn Command splashimage file
-+Select an image to use as the background image. This should be
-+specified using normal GRUB device naming syntax. The format of the
-+file is a gzipped xpm which is 640x480 with a 14 color palette.
-+@end deffn
-+
-+
- @node terminal
- @subsection terminal
-
-@@ -3542,7 +3547,7 @@ ignores this option.
-
- @item --config-file=@var{file}
- Read the configuration file @var{file} instead of
--(a)file{/boot/grub/menu.lst}. The format is the same as the normal GRUB
-+(a)file{/boot/grub/grub.conf}. The format is the same as the normal GRUB
- syntax. See @ref{Filesystem}, for more information.
-
- @item --boot-drive=@var{drive}
-@@ -3653,6 +3658,31 @@ comments in the file if needed, as the grub shell assumes that a line is
- just a comment if the first character is @samp{#}.
-
-
-+@node Invoking grub-crypt
-+@chapter Invoking grub-crypt
-+
-+The program @command{grub-crypt} encrypts a password in one of the specified
-+formats. Passwords encrypted by this program can be used with the
-+command @command{password} (@pxref{password}).
-+
-+@command{grub-crypt} accepts the following options:
-+
-+@table @option
-+@item --help
-+Print a summary of the command-line options and exit.
-+
-+@item --version
-+Print the version information and exit.
-+
-+@item --md5
-+Use MD5 for password encryption.
-+@item --sha-256
-+Use SHA-256 for password encryption.
-+@item --sha-512
-+Use SHA-512 for password encryption. This is the default.
-+@end table
-+
-+
- @node Invoking grub-install
- @chapter Invoking grub-install
-
-@@ -3702,8 +3732,9 @@ Use @var{file} as the grub shell. You can append arbitrary options to
-
- @item --recheck
- Recheck the device map, even if @file{/boot/grub/device.map} already
--exists. You should use this option whenever you add/remove a disk
--into/from your computer.
-+exists.
-+
-+This option is unreliable and its use is strongly discouraged.
- @end table
-
-
-diff --git a/docs/stamp-vti b/docs/stamp-vti
-index b97de24..eb5144d 100644
---- a/docs/stamp-vti
-+++ b/docs/stamp-vti
-@@ -1,4 +1,4 @@
--@set UPDATED 8 May 2005
--@set UPDATED-MONTH May 2005
-+@set UPDATED 7 August 2007
-+@set UPDATED-MONTH August 2007
- @set EDITION 0.97
- @set VERSION 0.97
-diff --git a/docs/version.texi b/docs/version.texi
-index b97de24..eb5144d 100644
---- a/docs/version.texi
-+++ b/docs/version.texi
-@@ -1,4 +1,4 @@
--@set UPDATED 8 May 2005
--@set UPDATED-MONTH May 2005
-+@set UPDATED 7 August 2007
-+@set UPDATED-MONTH August 2007
- @set EDITION 0.97
- @set VERSION 0.97
-diff --git a/efi/.gitignore b/efi/.gitignore
-new file mode 100644
-index 0000000..a0e4294
---- /dev/null
-+++ b/efi/.gitignore
-@@ -0,0 +1,7 @@
-+.deps
-+Makefile.in
-+Makefile
-+*.a
-+*.o
-+*.so
-+*.efi
-diff --git a/efi/Makefile.am b/efi/Makefile.am
-new file mode 100644
-index 0000000..1d5bd15
---- /dev/null
-+++ b/efi/Makefile.am
-@@ -0,0 +1,76 @@
-+
-+pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
-+pkgdatadir = $(datadir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
-+
-+if PLATFORM_EFI
-+
-+if NETBOOT_SUPPORT
-+NETBOOT_FLAGS = -I$(top_srcdir)/netboot -DSUPPORT_NETBOOT=1
-+else
-+NETBOOT_FLAGS =
-+endif
-+
-+if SERIAL_SUPPORT
-+SERIAL_FLAGS = -DSUPPORT_SERIAL=1
-+else
-+SERIAL_FLAGS =
-+endif
-+
-+if HERCULES_SUPPORT
-+HERCULES_FLAGS = -DSUPPORT_HERCULES=1
-+else
-+HERCULES_FLAGS =
-+endif
-+
-+if GRAPHICS_SUPPORT
-+GRAPHICS_FLAGS = -DSUPPORT_GRAPHICS=1
-+else
-+GRAPHICS_FLAGS =
-+endif
-+
-+GRUBEFI_FORMAT = efi-app-$(EFI_ARCH)
-+GRUBSO_LD_SCRIPT = @GNUEFI_LDS@
-+GRUBSO_LD_FLAGS = -T $(GRUBSO_LD_SCRIPT) -nostdlib -shared -Bsymbolic
-+
-+GRUBSO_OBJS = efimain.o
-+GRUBSO_LIBS = @GNUEFI_CRT0@ $(top_srcdir)/stage2/libstage2.a \
-+ libgrubefi.a @LIBGCC@
-+
-+if NETBOOT_SUPPORT
-+GRUBSO_LIBS += $(top_srcdir)/netboot/libdrivers.a
-+endif
-+
-+pkgdata_DATA = grub.efi
-+
-+grub.efi: grub.so
-+ $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \
-+ -j .rela -j .reloc --target=$(GRUBEFI_FORMAT) $^ $@
-+
-+grub.so: $(GRUBSO_OBJS) $(GRUBSO_LIBS) @LIBGNUEFI@
-+ $(LD) -o $@ $(GRUBSO_LD_FLAGS) $^
-+ echo '-------------- unresolved symbols ---------------------'
-+ ! nm $@ | grep -iw u
-+ echo '-------------------------------------------------------'
-+
-+crt0-efi.o: $(EFI_ARCH)/crt0-efi.S
-+ $(CC) -o $@ -c $(libgrubefi_a_CFLAGS) $^
-+
-+efimain.o: efimain.c
-+ $(CC) -o $@ -c $(libgrubefi_a_CFLAGS) $^
-+
-+clean-local:
-+ -rm -rf grub.so grub.efi
-+
-+RELOC_FLAGS = $(STAGE2_CFLAGS) -I$(top_srcdir)/stage1 \
-+ -I$(top_srcdir)/lib -I. -I$(top_srcdir) -I$(top_srcdir)/stage2 \
-+ -fno-builtin $(NETBOOT_FLAGS) $(SERIAL_FLAGS) \
-+ $(HERCULES_FLAGS) $(GRAPHICS_FLAGS)
-+
-+noinst_LIBRARIES = libgrubefi.a
-+libgrubefi_a_SOURCES = $(EFI_ARCH)/callwrap.S eficore.c efimm.c efimisc.c \
-+ eficon.c efidisk.c graphics.c efigraph.c efiuga.c efidp.c \
-+ font_8x16.c efiserial.c $(EFI_ARCH)/loader/linux.c efichainloader.c \
-+ xpm.c pxe.c efitftp.c
-+libgrubefi_a_CFLAGS = $(RELOC_FLAGS) -nostdinc
-+
-+endif
-diff --git a/efi/byteswap.h b/efi/byteswap.h
-new file mode 100644
-index 0000000..5a057c4
---- /dev/null
-+++ b/efi/byteswap.h
-@@ -0,0 +1,37 @@
-+#ifndef BYTESWAP_H
-+#define BYTESWAP_H 1
-+
-+#if defined(__i386__)
-+#define LITTLE_ENDIAN 1
-+#elif defined(__x86_64__)
-+#define LITTLE_ENDIAN 1
-+#else
-+#error endian not defined
-+#endif
-+
-+#define bswap_16(x) \
-+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
-+
-+#define bswap_32(x) \
-+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
-+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
-+
-+static inline grub_efi_uint16_t htons(grub_efi_uint16_t hostshort)
-+{
-+#ifdef LITTLE_ENDIAN
-+ return bswap_16(hostshort);
-+#else
-+ return hostshort;
-+#endif
-+}
-+
-+static inline grub_efi_uint32_t htonl(grub_efi_uint32_t hostshort)
-+{
-+#ifdef LITTLE_ENDIAN
-+ return bswap_32(hostshort);
-+#else
-+ return hostshort;
-+#endif
-+}
-+
-+#endif /* BYTESWAP_H */
-diff --git a/efi/dhcp.h b/efi/dhcp.h
-new file mode 100644
-index 0000000..a82a522
---- /dev/null
-+++ b/efi/dhcp.h
-@@ -0,0 +1,133 @@
-+#ifndef DHCP_H
-+#define DHCP_H 1
-+
-+#include "pxe.h"
-+
-+#define EFI_DHCP4_PROTOCOL_GUID \
-+{ 0x8a219718, 0x4ef5, 0x4761, {0x91,0xc8,0xc0,0xf0,0x4b,0xda,0x9e,0x56} }
-+static grub_efi_guid_t DHCP4Protocol = EFI_DHCP4_PROTOCOL_GUID;
-+
-+#define EFI_DHCP4_SERVICE_BINDING_PROTOCOL_GUID \
-+{ 0x9d9a39d8, 0xbd42, 0x4a73, {0xa4,0xd5,0x8e,0xe9,0x4b,0xe1,0x13,0x80} }
-+static grub_efi_guid_t DHCP4SbProtocol = EFI_DHCP4_SERVICE_BINDING_PROTOCOL_GUID;
-+
-+#define EFI_PXE_DHCP4_PROTOCOL_GUID \
-+{ 0x03c4e624, 0xac28, 0x11d3, {0x9a,0x2d,0x00,0x90,0x29,0x3f,0xc1,0x4d} }
-+static grub_efi_guid_t PxeDHCP4Protocol = EFI_PXE_DHCP4_PROTOCOL_GUID;
-+
-+
-+typedef EFI_STATUS (*EFI_DHCP4_GET_MODE_DATA)();
-+typedef EFI_STATUS (*EFI_DHCP4_CONFIGURE)();
-+typedef EFI_STATUS (*EFI_DHCP4_START)();
-+typedef EFI_STATUS (*EFI_DHCP4_RENEW_REBIND)();
-+typedef EFI_STATUS (*EFI_DHCP4_RELEASE)();
-+typedef EFI_STATUS (*EFI_DHCP4_STOP)();
-+typedef EFI_STATUS (*EFI_DHCP4_BUILD)();
-+typedef EFI_STATUS (*EFI_DHCP4_TRANSMIT_RECIEVE)();
-+typedef EFI_STATUS (*EFI_DHCP4_PARSE)();
-+
-+typedef struct _EFI_DHCP4_PROTOCOL {
-+ EFI_DHCP4_GET_MODE_DATA GetModeData;
-+ EFI_DHCP4_CONFIGURE Configure;
-+ EFI_DHCP4_START Start;
-+ EFI_DHCP4_RENEW_REBIND RenewRebind;
-+ EFI_DHCP4_RELEASE Release;
-+ EFI_DHCP4_STOP Stop;
-+ EFI_DHCP4_BUILD Build;
-+ EFI_DHCP4_TRANSMIT_RECIEVE TransmitReceive;
-+ EFI_DHCP4_PARSE Parse;
-+} EFI_DHCP4_PROTOCOL;
-+
-+typedef enum {
-+ Dhcp4Stopped,
-+ Dhcp4Init,
-+ Dhcp4Selecting,
-+ Dhcp4Requesting,
-+ Dhcp4Bound,
-+ Dhcp4Renewing,
-+ Dhcp4Rebinding,
-+ Dhcp4InitReboot,
-+ Dhcp4Rebooting,
-+} EFI_DHCP4_STATE;
-+
-+typedef enum {
-+ Dhcp4SendDiscover = 0x1,
-+ Dhcp4RcvdOffer,
-+ Dhcp4SelectOffer,
-+ Dhcp4SendRequest,
-+ Dhcp4RcvdAck,
-+ Dhcp4RcvdNak,
-+ Dhcp4SendDecline,
-+ Dhcp4BoundCompleted,
-+ Dhcp4EnterRenewing,
-+ Dhcp4EnterRebinding,
-+ Dhcp4AddressLost,
-+ Dhcp4Fail,
-+} EFI_DHCP4_EVENT;
-+
-+typedef struct {
-+ grub_efi_uint8_t OpCode;
-+ grub_efi_uint8_t HwType;
-+ grub_efi_uint8_t HwAddrLen;
-+ grub_efi_uint8_t Hops;
-+ grub_efi_uint32_t xid;
-+ grub_efi_uint16_t Seconds;
-+ grub_efi_uint16_t reserved;
-+ EFI_IPv4_ADDRESS ClientAddr;
-+ EFI_IPv4_ADDRESS YourAddr;
-+ EFI_IPv4_ADDRESS ServerAddr;
-+ EFI_IPv4_ADDRESS GatewayAddr;
-+ grub_efi_uint8_t ClientHwAddr[16];
-+ char ServerName[64];
-+ char BootFileName[128];
-+} EFI_DHCP4_HEADER;
-+
-+typedef struct {
-+ grub_efi_uint32_t Size;
-+ grub_efi_uint32_t Length;
-+ struct {
-+ EFI_DHCP4_HEADER Header;
-+ grub_efi_uint32_t Magik;
-+ grub_efi_uint8_t option[];
-+ } Dhcp4;
-+} EFI_DHCP4_PACKET;
-+
-+typedef struct {
-+ grub_efi_uint8_t OpCode;
-+ grub_efi_uint8_t Length;
-+ grub_efi_uint8_t Data[1];
-+} EFI_DHCP4_PACKET_OPTION;
-+
-+typedef EFI_STATUS (*EFI_DHCP4_CALLBACK) (
-+ EFI_DHCP4_PROTOCOL *This,
-+ void *Context,
-+ EFI_DHCP4_STATE CurrentState,
-+ EFI_DHCP4_EVENT Dhcp4Event,
-+ EFI_DHCP4_PACKET *Packet,
-+ EFI_DHCP4_PACKET **NewPacket);
-+
-+typedef struct {
-+ grub_efi_uint32_t DiscoverTryCount;
-+ grub_efi_uint32_t *DiscoverTimeout;
-+ grub_efi_uint32_t RequestTryCount;
-+ grub_efi_uint32_t *RequestTimeout;
-+ EFI_IPv4_ADDRESS ClientAddress;
-+ EFI_DHCP4_CALLBACK Dhcp4Callback;
-+ void *CallbackContext;
-+ grub_efi_uint32_t OptionCount;
-+ EFI_DHCP4_PACKET_OPTION **OptionList;
-+} EFI_DHCP4_CONFIG_DATA;
-+
-+typedef struct {
-+ EFI_DHCP4_STATE State;
-+ EFI_DHCP4_CONFIG_DATA ConfigData;
-+ EFI_IPv4_ADDRESS ClientAddress;
-+ EFI_MAC_ADDRESS ClientMacAddress;
-+ EFI_IPv4_ADDRESS ServerAddress;
-+ EFI_IPv4_ADDRESS RouterAddress;
-+ EFI_IPv4_ADDRESS SubnetMask;
-+ grub_efi_uint32_t LeaseTime;
-+ EFI_DHCP4_PACKET *ReplyPacket;
-+} EFI_DHCP4_MODE_DATA;
-+
-+#endif /* DHCP_H */
-diff --git a/efi/efichainloader.c b/efi/efichainloader.c
-new file mode 100644
-index 0000000..016636c
---- /dev/null
-+++ b/efi/efichainloader.c
-@@ -0,0 +1,265 @@
-+/* efichainloader.c - boot another boot loader */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2004,2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+
-+#define grub_file_size() filemax
-+
-+static grub_efi_physical_address_t address;
-+static grub_efi_uintn_t pages;
-+static grub_efi_device_path_t *file_path;
-+static grub_efi_handle_t image_handle;
-+
-+static int
-+grub_chainloader_unload (void)
-+{
-+ grub_efi_boot_services_t *b;
-+
-+ b = grub_efi_system_table->boot_services;
-+ Call_Service_1 (b->unload_image, image_handle);
-+ Call_Service_2 (b->free_pages, address, pages);
-+ grub_free (file_path);
-+
-+ return 0;
-+}
-+
-+static int
-+grub_chainloader_boot (void)
-+{
-+ grub_efi_boot_services_t *b;
-+ grub_efi_status_t status;
-+ grub_efi_uintn_t exit_data_size = 0;
-+ grub_efi_char16_t *exit_data = NULL;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_3 (b->start_image, image_handle,
-+ &exit_data_size, &exit_data);
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ if (exit_data)
-+ {
-+ char *buf;
-+
-+ buf = grub_malloc (exit_data_size * 4 + 1);
-+ if (buf)
-+ {
-+ *grub_utf16_to_utf8 ((grub_uint8_t *) buf,
-+ exit_data, exit_data_size) = 0;
-+
-+ grub_printf (buf);
-+ grub_free (buf);
-+ }
-+ else
-+ grub_printf ("unknown error\n");
-+ }
-+ errnum = ERR_UNRECOGNIZED;
-+ }
-+
-+ if (exit_data)
-+ Call_Service_1 (b->free_pool, exit_data);
-+
-+ grub_chainloader_unload ();
-+
-+ return 0;
-+}
-+
-+static void
-+copy_file_path (grub_efi_file_path_device_path_t *fp,
-+ const char *str, grub_efi_uint16_t len)
-+{
-+ grub_efi_char16_t *p;
-+ grub_efi_uint16_t size;
-+
-+ fp->header.type = GRUB_EFI_MEDIA_DEVICE_PATH_TYPE;
-+ fp->header.subtype = GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE;
-+ size = len * sizeof (grub_efi_char16_t) + sizeof (*fp);
-+ fp->header.length[0] = (grub_efi_uint8_t) (size & 0xff);
-+ fp->header.length[1] = (grub_efi_uint8_t) (size >> 8);
-+ for (p = fp->path_name; len > 0; len--, p++, str++)
-+ {
-+ *p = (grub_efi_char16_t) (*str == '/' ? '\\' : *str);
-+ }
-+}
-+
-+static grub_efi_device_path_t *
-+make_file_path (const char *filename)
-+{
-+ char *dir_start;
-+ char *dir_end;
-+ grub_size_t size;
-+ grub_efi_device_path_t *d;
-+
-+ dir_start = grub_strchr (filename, ')');
-+ if (! dir_start)
-+ dir_start = (char *) filename;
-+ else
-+ dir_start++;
-+
-+ dir_end = grub_strrchr (dir_start, '/');
-+ if (! dir_end)
-+ {
-+ errnum = ERR_BAD_FILENAME;
-+ grub_printf ("invalid EFI file path");
-+ return 0;
-+ }
-+
-+ size = 0;
-+ file_path = grub_malloc ((grub_strlen (dir_start) + 1)
-+ * sizeof (grub_efi_char16_t)
-+ + sizeof (grub_efi_file_path_device_path_t) * 2);
-+ if (! file_path)
-+ return 0;
-+
-+ /* Fill the file path for the directory. */
-+ d = (grub_efi_device_path_t *) file_path;
-+
-+ if (dir_end - dir_start)
-+ {
-+ copy_file_path ((grub_efi_file_path_device_path_t *) d,
-+ dir_start, dir_end - dir_start);
-+ d = GRUB_EFI_NEXT_DEVICE_PATH (d);
-+ /* Fill the file path for the file. */
-+ copy_file_path ((grub_efi_file_path_device_path_t *) d,
-+ dir_end + 1, grub_strlen (dir_end + 1));
-+ }
-+ else
-+ {
-+ /* Fill the file path for the file. */
-+ copy_file_path ((grub_efi_file_path_device_path_t *) d,
-+ dir_end, grub_strlen (dir_end));
-+ }
-+
-+ /* Fill the end of device path nodes. */
-+ d = GRUB_EFI_NEXT_DEVICE_PATH (d);
-+ d->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ d->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+ d->length[0] = sizeof (*d);
-+ d->length[1] = 0;
-+
-+ return file_path;
-+}
-+
-+int
-+grub_chainloader (char *filename)
-+{
-+ grub_ssize_t size;
-+ grub_efi_status_t status;
-+ grub_efi_boot_services_t *b;
-+ grub_efi_handle_t dev_handle = 0;
-+ grub_efi_loaded_image_t *loaded_image;
-+
-+ /* Initialize some global variables. */
-+ address = 0xffffffff;
-+ image_handle = 0;
-+
-+ b = grub_efi_system_table->boot_services;
-+
-+ if (! grub_open (filename))
-+ goto fail1;
-+
-+ dev_handle = grub_efidisk_get_current_bdev_handle ();
-+ if (! dev_handle)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("not a valid root device\n");
-+ goto fail;
-+ }
-+
-+ file_path = make_file_path (filename);
-+ if (! file_path)
-+ goto fail;
-+
-+ grub_printf ("file path: ");
-+ grub_efi_print_device_path (file_path);
-+
-+ size = grub_file_size ();
-+ pages = (((grub_efi_uintn_t) size + ((1 << 12) - 1)) >> 12);
-+
-+ status = Call_Service_4 (b->allocate_pages, GRUB_EFI_ALLOCATE_ANY_PAGES,
-+ GRUB_EFI_LOADER_CODE, pages, &address);
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("cannot allocate %u pages", pages);
-+ goto fail;
-+ }
-+
-+ if (grub_read ((void *) ((grub_addr_t) address), size) != size)
-+ {
-+ if (errnum == ERR_NONE)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("too small");
-+ }
-+ goto fail;
-+ }
-+
-+ status = Call_Service_6 (b->load_image, 0, grub_efi_image_handle, file_path,
-+ (void *) ((grub_addr_t) address), size,
-+ &image_handle);
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ if (status == GRUB_EFI_OUT_OF_RESOURCES)
-+ grub_printf ("out of resources");
-+ else
-+ grub_printf ("cannot load image");
-+
-+ goto fail;
-+ }
-+
-+ /* LoadImage does not set a device handler when the image is
-+ loaded from memory, so it is necessary to set it explicitly here.
-+ This is a mess. */
-+ loaded_image = grub_efi_get_loaded_image (image_handle);
-+ if (! loaded_image)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("no loaded image available");
-+ goto fail;
-+ }
-+ loaded_image->device_handle = dev_handle;
-+
-+ grub_close ();
-+ return KERNEL_TYPE_CHAINLOADER;
-+
-+ fail:
-+ grub_close ();
-+ fail1:
-+ if (address)
-+ b->free_pages (address, pages);
-+
-+ return KERNEL_TYPE_NONE;
-+}
-+
-+/* calls for direct boot-loader chaining */
-+void
-+chain_stage1 (unsigned long segment, unsigned long offset,
-+ unsigned long part_table_addr)
-+{
-+ grub_chainloader_boot ();
-+ for (;;);
-+}
-diff --git a/efi/eficon.c b/efi/eficon.c
-new file mode 100644
-index 0000000..037f050
---- /dev/null
-+++ b/efi/eficon.c
-@@ -0,0 +1,306 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+#include <term.h>
-+
-+static int
-+grub_console_standard_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_YELLOW,
-+ GRUB_EFI_BACKGROUND_BLACK);
-+static int
-+grub_console_normal_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_LIGHTGRAY,
-+ GRUB_EFI_BACKGROUND_BLACK);
-+static int
-+grub_console_highlight_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_BLACK,
-+ GRUB_EFI_BACKGROUND_LIGHTGRAY);
-+
-+static int read_key = -1;
-+
-+void
-+console_putchar (int c)
-+{
-+ grub_efi_char16_t str[2];
-+ grub_efi_simple_text_output_interface_t *o;
-+
-+ o = grub_efi_system_table->con_out;
-+
-+ switch (c)
-+ {
-+ case DISP_LEFT:
-+ c = '<';
-+ break;
-+
-+ case DISP_UP:
-+ c = '^';
-+ break;
-+
-+ case DISP_RIGHT:
-+ c = '>';
-+ break;
-+
-+ case DISP_DOWN:
-+ c = 'v';
-+ break;
-+
-+ case DISP_HORIZ:
-+ c = '-';
-+ break;
-+
-+ case DISP_VERT:
-+ c = '|';
-+ break;
-+
-+ case DISP_UL:
-+ case DISP_UR:
-+ case DISP_LL:
-+ case DISP_LR:
-+ c = '+';
-+ break;
-+ }
-+
-+ /* For now, do not try to use a surrogate pair. */
-+ if (c > 0xffff)
-+ c = '?';
-+
-+ str[0] = (grub_efi_char16_t) (c & 0xffff);
-+ str[1] = 0;
-+
-+ /* Should this test be cached? */
-+ if (c > 0x7f && Call_Service_2 (o->test_string, o, str) != GRUB_EFI_SUCCESS)
-+ return;
-+
-+ Call_Service_2 (o->output_string, o, str);
-+}
-+
-+int
-+console_checkkey (void)
-+{
-+ grub_efi_simple_input_interface_t *i;
-+ grub_efi_input_key_t key;
-+ grub_efi_status_t status;
-+
-+ if (read_key >= 0)
-+ return 1;
-+
-+ i = grub_efi_system_table->con_in;
-+ status = Call_Service_2 (i->read_key_stroke ,i, &key);
-+#if 0
-+ switch (status)
-+ {
-+ case GRUB_EFI_SUCCESS:
-+ {
-+ int xy;
-+
-+ xy = console_getxy ();
-+ console_gotoxy (0, 0);
-+ grub_printf ("scan_code=%x,unicode_char=%x ",
-+ (unsigned) key.scan_code,
-+ (unsigned) key.unicode_char);
-+ console_gotoxy (xy >> 8, xy & 0xff);
-+ }
-+ break;
-+
-+ case GRUB_EFI_NOT_READY:
-+ grub_printf ("not ready ");
-+ break;
-+
-+ default:
-+ grub_printf ("device error ");
-+ break;
-+ }
-+#endif
-+
-+ if (status == GRUB_EFI_SUCCESS)
-+ {
-+ switch (key.scan_code)
-+ {
-+ case 0x00:
-+ read_key = key.unicode_char;
-+ break;
-+ case 0x01:
-+ read_key = 16;
-+ break;
-+ case 0x02:
-+ read_key = 14;
-+ break;
-+ case 0x03:
-+ read_key = 6;
-+ break;
-+ case 0x04:
-+ read_key = 2;
-+ break;
-+ case 0x05:
-+ read_key = 1;
-+ break;
-+ case 0x06:
-+ read_key = 5;
-+ break;
-+ case 0x07:
-+ break;
-+ case 0x08:
-+ read_key = 4;
-+ break;
-+ case 0x09:
-+ break;
-+ case 0x0a:
-+ break;
-+ case 0x17:
-+ read_key = '\e';
-+ break;
-+ default:
-+ break;
-+ }
-+ }
-+
-+ return read_key;
-+}
-+
-+int
-+console_getkey (void)
-+{
-+ grub_efi_simple_input_interface_t *i;
-+ grub_efi_boot_services_t *b;
-+ grub_efi_uintn_t index;
-+ grub_efi_status_t status;
-+ int key;
-+
-+ if (read_key >= 0)
-+ {
-+ key = read_key;
-+ read_key = -1;
-+ return key;
-+ }
-+
-+ i = grub_efi_system_table->con_in;
-+ b = grub_efi_system_table->boot_services;
-+
-+ do
-+ {
-+ status = Call_Service_3 (b->wait_for_event , 1, &(i->wait_for_key), &index);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return -1;
-+
-+ console_checkkey ();
-+ }
-+ while (read_key < 0);
-+
-+ key = read_key;
-+ read_key = -1;
-+ return key;
-+}
-+
-+int
-+console_keystatus (void)
-+{
-+ /* Doesn't look like EFI can support this... */
-+ return 0;
-+}
-+
-+int
-+console_getxy (void)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+
-+ o = grub_efi_system_table->con_out;
-+ return ((o->mode->cursor_column << 8) | o->mode->cursor_row);
-+}
-+
-+void
-+console_gotoxy (int x, int y)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+
-+ o = grub_efi_system_table->con_out;
-+ Call_Service_3 (o->set_cursor_position , o, x, y);
-+}
-+
-+void
-+console_cls (void)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+ grub_efi_int32_t orig_attr;
-+
-+ o = grub_efi_system_table->con_out;
-+ orig_attr = o->mode->attribute;
-+ Call_Service_2 (o->set_attributes, o, GRUB_EFI_BACKGROUND_BLACK);
-+ Call_Service_1 (o->clear_screen , o);
-+ Call_Service_2 (o->set_attributes , o, orig_attr);
-+}
-+
-+void
-+console_setcolorstate (color_state state)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+
-+ o = grub_efi_system_table->con_out;
-+
-+ switch (state) {
-+ case COLOR_STATE_STANDARD:
-+ Call_Service_2 (o->set_attributes, o, grub_console_standard_color);
-+ break;
-+ case COLOR_STATE_NORMAL:
-+ Call_Service_2 (o->set_attributes, o, grub_console_normal_color);
-+ break;
-+ case COLOR_STATE_HIGHLIGHT:
-+ Call_Service_2 (o->set_attributes, o, grub_console_highlight_color);
-+ break;
-+ default:
-+ break;
-+ }
-+}
-+
-+void
-+console_setcolor (int normal_color, int highlight_color)
-+{
-+ grub_console_normal_color = normal_color;
-+ grub_console_highlight_color = highlight_color;
-+}
-+
-+int
-+console_setcursor (int on)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+
-+ o = grub_efi_system_table->con_out;
-+ Call_Service_2 (o->enable_cursor, o, on);
-+ return on;
-+}
-+
-+void
-+grub_console_init (void)
-+{
-+ /* FIXME: it is necessary to consider the case where no console control
-+ is present but the default is already in text mode. */
-+ if (! grub_efi_set_text_mode (1))
-+ {
-+ grub_printf ("cannot set text mode");
-+ return;
-+ }
-+}
-+
-+void
-+grub_console_fini (void)
-+{
-+}
-diff --git a/efi/eficore.c b/efi/eficore.c
-new file mode 100644
-index 0000000..8abea7d
---- /dev/null
-+++ b/efi/eficore.c
-@@ -0,0 +1,241 @@
-+/* eficore.c - generic EFI support */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <config.h>
-+#include <grub/misc.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/eficall.h>
-+#include <grub/efi/console_control.h>
-+#include <grub/efi/time.h>
-+
-+#include <shared.h>
-+
-+/* The handle of GRUB itself. Filled in by the startup code. */
-+grub_efi_handle_t grub_efi_image_handle;
-+
-+/* The pointer to a system table. Filled in by the startup code. */
-+grub_efi_system_table_t *grub_efi_system_table;
-+
-+static grub_efi_guid_t console_control_guid = GRUB_EFI_CONSOLE_CONTROL_GUID;
-+static grub_efi_guid_t loaded_image_guid = GRUB_EFI_LOADED_IMAGE_GUID;
-+static grub_efi_guid_t device_path_guid = GRUB_EFI_DEVICE_PATH_GUID;
-+
-+/* temporary, until we're using gnu-efi's include files --pjones */
-+extern int setjmp(grub_jmp_buf env);
-+int grub_setjmp(grub_jmp_buf env)
-+{
-+ return setjmp(env);
-+}
-+
-+extern void longjmp(grub_jmp_buf env, int val);
-+void grub_longjmp(grub_jmp_buf env, int val)
-+{
-+ longjmp(env, val);
-+}
-+
-+grub_efi_status_t
-+grub_efi_locate_device_path (grub_efi_guid_t *protocol,
-+ grub_efi_device_path_t **dp,
-+ grub_efi_handle_t *handle)
-+{
-+ return Call_Service_3(
-+ grub_efi_system_table->boot_services->locate_device_path,
-+ protocol, dp, handle);
-+}
-+
-+grub_efi_status_t
-+grub_efi_locate_handle_buffer (grub_efi_locate_search_type_t search_type,
-+ grub_efi_guid_t *protocol,
-+ void *search_key,
-+ grub_efi_uintn_t *no_handles,
-+ grub_efi_handle_t **buffer)
-+{
-+ return Call_Service_5(
-+ grub_efi_system_table->boot_services->locate_handle_buffer,
-+ search_type, protocol, search_key, no_handles, buffer);
-+}
-+
-+void *
-+grub_efi_locate_protocol (grub_efi_guid_t *protocol, void *registration)
-+{
-+ void *interface;
-+ grub_efi_status_t status;
-+
-+ status = Call_Service_3 (grub_efi_system_table->boot_services->locate_protocol,
-+ protocol,
-+ registration,
-+ &interface);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ return interface;
-+}
-+
-+/* Return the array of handles which meet the requirement. If successful,
-+ the number of handles is stored in NUM_HANDLES. The array is allocated
-+ from the heap. */
-+grub_efi_handle_t *
-+grub_efi_locate_handle (grub_efi_locate_search_type_t search_type,
-+ grub_efi_guid_t *protocol,
-+ void *search_key,
-+ grub_efi_uintn_t *num_handles)
-+{
-+ grub_efi_boot_services_t *b;
-+ grub_efi_status_t status;
-+ grub_efi_handle_t *buffer;
-+ grub_efi_uintn_t buffer_size = 8 * sizeof (grub_efi_handle_t);
-+
-+ buffer = grub_malloc (buffer_size);
-+ if (! buffer)
-+ return 0;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_5 (b->locate_handle, search_type, protocol,
-+ search_key, &buffer_size, buffer);
-+ if (status == GRUB_EFI_BUFFER_TOO_SMALL)
-+ {
-+ grub_free (buffer);
-+ buffer = grub_malloc (buffer_size);
-+ if (! buffer)
-+ return 0;
-+
-+ status = Call_Service_5 (b->locate_handle, search_type, protocol,
-+ search_key, &buffer_size, buffer);
-+ }
-+
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ grub_free (buffer);
-+ return 0;
-+ }
-+
-+ *num_handles = buffer_size / sizeof (grub_efi_handle_t);
-+ return buffer;
-+}
-+
-+void *
-+grub_efi_open_protocol (grub_efi_handle_t handle,
-+ grub_efi_guid_t *protocol,
-+ grub_efi_uint32_t attributes)
-+{
-+ grub_efi_boot_services_t *b;
-+ grub_efi_status_t status;
-+ void *interface;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_6 ( b->open_protocol,
-+ handle,
-+ protocol,
-+ &interface,
-+ grub_efi_image_handle,
-+ 0,
-+ attributes);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ return interface;
-+}
-+
-+int
-+grub_efi_set_text_mode (int on)
-+{
-+ grub_efi_console_control_protocol_t *c;
-+ grub_efi_screen_mode_t mode, new_mode;
-+
-+ c = grub_efi_locate_protocol (&console_control_guid, 0);
-+ if (! c)
-+ /* No console control protocol instance available, assume it is
-+ already in text mode. */
-+ return 1;
-+
-+ if (Call_Service_4 (c->get_mode , c, &mode, 0, 0) != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ new_mode = on ? GRUB_EFI_SCREEN_TEXT : GRUB_EFI_SCREEN_GRAPHICS;
-+ if (mode != new_mode)
-+ if (Call_Service_2 (c->set_mode , c, new_mode) != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ return 1;
-+}
-+
-+void
-+grub_efi_stall (grub_efi_uintn_t microseconds)
-+{
-+ Call_Service_1 (grub_efi_system_table->boot_services->stall , microseconds);
-+}
-+
-+grub_efi_loaded_image_t *
-+grub_efi_get_loaded_image (grub_efi_handle_t image_handle)
-+{
-+ return grub_efi_open_protocol (image_handle,
-+ &loaded_image_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+}
-+
-+void
-+grub_exit (void)
-+{
-+ grub_efi_fini ();
-+ Call_Service_4(grub_efi_system_table->boot_services->exit,
-+ grub_efi_image_handle,
-+ GRUB_EFI_SUCCESS,
-+ 0,
-+ 0 );
-+ for (;;);
-+}
-+
-+int
-+grub_efi_exit_boot_services (grub_efi_uintn_t map_key)
-+{
-+ grub_efi_boot_services_t *b;
-+ grub_efi_status_t status;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_2 (b->exit_boot_services ,
-+ grub_efi_image_handle,
-+ map_key);
-+ return status == GRUB_EFI_SUCCESS;
-+}
-+
-+grub_uint32_t
-+grub_get_rtc (void)
-+{
-+ grub_efi_time_t time;
-+ grub_efi_runtime_services_t *r;
-+
-+ r = grub_efi_system_table->runtime_services;
-+ if (Call_Service_2(r->get_time , &time, 0) != GRUB_EFI_SUCCESS)
-+ /* What is possible in this case? */
-+ return 0;
-+
-+ return (((time.minute * 60 + time.second) * 1000
-+ + time.nanosecond / 1000000)
-+ * GRUB_TICKS_PER_SECOND / 1000);
-+}
-+
-+grub_efi_device_path_t *
-+grub_efi_get_device_path (grub_efi_handle_t handle)
-+{
-+ return grub_efi_open_protocol (handle, &device_path_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+}
-+
-diff --git a/efi/efidisk.c b/efi/efidisk.c
-new file mode 100644
-index 0000000..6a505f3
---- /dev/null
-+++ b/efi/efidisk.c
-@@ -0,0 +1,801 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/types.h>
-+#include <grub/misc.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+
-+struct grub_efidisk_data
-+{
-+ grub_efi_handle_t handle;
-+ grub_efi_device_path_t *device_path;
-+ grub_efi_device_path_t *last_device_path;
-+ grub_efi_block_io_t *block_io;
-+ grub_efi_disk_io_t *disk_io;
-+ struct grub_efidisk_data *next;
-+};
-+
-+/* GUIDs. */
-+static grub_efi_guid_t disk_io_guid = GRUB_EFI_DISK_IO_GUID;
-+static grub_efi_guid_t block_io_guid = GRUB_EFI_BLOCK_IO_GUID;
-+static grub_efi_guid_t device_path_from_text_guid = GRUB_EFI_DEVICE_PATH_FROM_TEXT_GUID;
-+
-+static struct grub_efidisk_data *fd_devices;
-+static struct grub_efidisk_data *hd_devices;
-+static struct grub_efidisk_data *cd_devices;
-+
-+static int get_device_sector_bits(struct grub_efidisk_data *device);
-+static int get_device_sector_size(struct grub_efidisk_data *device);
-+static struct grub_efidisk_data *get_device_from_drive (int drive);
-+
-+static struct grub_efidisk_data *
-+make_devices (void)
-+{
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_handle_t *handles;
-+ grub_efi_handle_t *handle;
-+ struct grub_efidisk_data *devices = 0;
-+
-+ /* Find handles which support the disk io interface. */
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, &disk_io_guid,
-+ 0, &num_handles);
-+ if (! handles)
-+ return 0;
-+
-+ /* Make a linked list of devices. */
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ grub_efi_device_path_t *dp;
-+ grub_efi_device_path_t *ldp;
-+ struct grub_efidisk_data *d;
-+ grub_efi_block_io_t *bio;
-+ grub_efi_disk_io_t *dio;
-+
-+ dp = grub_efi_get_device_path (*handle);
-+ if (! dp)
-+ continue;
-+
-+ ldp = find_last_device_path (dp);
-+ if (! ldp)
-+ /* This is empty. Why? */
-+ continue;
-+
-+ bio = grub_efi_open_protocol (*handle, &block_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+ dio = grub_efi_open_protocol (*handle, &disk_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+ if (! bio || ! dio)
-+ /* This should not happen... Why? */
-+ continue;
-+
-+ d = grub_malloc (sizeof (*d));
-+ if (! d)
-+ {
-+ /* Uggh. */
-+ grub_free (handles);
-+ return 0;
-+ }
-+
-+ d->handle = *handle;
-+ d->device_path = dp;
-+ d->last_device_path = ldp;
-+ d->block_io = bio;
-+ d->disk_io = dio;
-+ d->next = devices;
-+ devices = d;
-+ }
-+
-+ grub_free (handles);
-+
-+ return devices;
-+}
-+
-+static int
-+iterate_child_devices (struct grub_efidisk_data *devices,
-+ struct grub_efidisk_data *d,
-+ int (*hook) (struct grub_efidisk_data *child))
-+{
-+ struct grub_efidisk_data *p;
-+
-+ for (p = devices; p; p = p->next)
-+ {
-+ grub_efi_device_path_t *dp, *ldp;
-+
-+ dp = duplicate_device_path (p->device_path);
-+ if (! dp)
-+ return 0;
-+
-+ ldp = find_last_device_path (dp);
-+ ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+ ldp->length[0] = sizeof (*ldp);
-+ ldp->length[1] = 0;
-+
-+ if (compare_device_paths (dp, d->device_path) == 0)
-+ if (hook (p))
-+ {
-+ grub_free (dp);
-+ return 1;
-+ }
-+
-+ grub_free (dp);
-+ }
-+
-+ return 0;
-+}
-+
-+/* Add a device into a list of devices in an ascending order. */
-+static void
-+add_device (struct grub_efidisk_data **devices, struct grub_efidisk_data *d)
-+{
-+ struct grub_efidisk_data **p;
-+ struct grub_efidisk_data *n;
-+
-+ for (p = devices; *p; p = &((*p)->next))
-+ {
-+ int ret;
-+
-+ ret = compare_device_paths (find_last_device_path ((*p)->device_path),
-+ find_last_device_path (d->device_path));
-+ if (ret == 0)
-+ ret = compare_device_paths ((*p)->device_path,
-+ d->device_path);
-+ if (ret == 0)
-+ return;
-+ else if (ret > 0)
-+ break;
-+ }
-+
-+ n = grub_malloc (sizeof (*n));
-+ if (! n)
-+ return;
-+
-+ grub_memcpy (n, d, sizeof (*n));
-+ n->next = (*p);
-+ (*p) = n;
-+}
-+
-+/* Name the devices. */
-+static void
-+name_devices (struct grub_efidisk_data *devices)
-+{
-+ struct grub_efidisk_data *d;
-+
-+ /* Let's see what can be added more. */
-+ for (d = devices; d; d = d->next)
-+ {
-+ grub_efi_device_path_t *dp;
-+ grub_efi_block_io_media_t *m;
-+
-+ dp = d->last_device_path;
-+ if (! dp)
-+ continue;
-+
-+ m = d->block_io->media;
-+ if (GRUB_EFI_DEVICE_PATH_TYPE(dp) == GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE)
-+ {
-+ /* XXX FIXME this won't work if we see write-protected disks with
-+ * 4k sectors */
-+ if (m->read_only && m->block_size > 0x200)
-+ {
-+ add_device (&cd_devices, d);
-+ } else
-+ {
-+ add_device (&hd_devices, d);
-+ }
-+ }
-+ if (GRUB_EFI_DEVICE_PATH_TYPE(dp) == GRUB_EFI_ACPI_DEVICE_PATH_TYPE)
-+ {
-+ add_device (&fd_devices, d);
-+ }
-+ }
-+}
-+
-+static void
-+free_devices (struct grub_efidisk_data *devices)
-+{
-+ struct grub_efidisk_data *p, *q;
-+
-+ for (p = devices; p; p = q)
-+ {
-+ q = p->next;
-+ grub_free (p);
-+ }
-+}
-+
-+/* Enumerate all disks to name devices. */
-+static void
-+enumerate_disks (void)
-+{
-+ struct grub_efidisk_data *devices;
-+
-+ devices = make_devices ();
-+ if (! devices)
-+ return;
-+
-+ name_devices (devices);
-+ free_devices (devices);
-+}
-+
-+static struct grub_efidisk_data *
-+get_device (struct grub_efidisk_data *devices, int num)
-+{
-+ struct grub_efidisk_data *d;
-+
-+ for (d = devices; d && num; d = d->next, num--)
-+ ;
-+
-+ if (num == 0)
-+ return d;
-+
-+ return 0;
-+}
-+
-+static int
-+grub_efidisk_read (struct grub_efidisk_data *d, grub_disk_addr_t sector,
-+ grub_size_t size, char *buf)
-+{
-+ /* For now, use the disk io interface rather than the block io's. */
-+ grub_efi_disk_io_t *dio;
-+ grub_efi_block_io_t *bio;
-+ grub_efi_status_t status;
-+ grub_efi_uint64_t sector_size = get_device_sector_size(d);
-+
-+ dio = d->disk_io;
-+ bio = d->block_io;
-+
-+ status = Call_Service_5 (dio->read,
-+ dio, bio->media->media_id,
-+ sector * sector_size,
-+ size * sector_size,
-+ buf);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return -1;
-+
-+ return 0;
-+}
-+
-+static int
-+grub_efidisk_write (struct grub_efidisk_data *d, grub_disk_addr_t sector,
-+ grub_size_t size, const char *buf)
-+{
-+ /* For now, use the disk io interface rather than the block io's. */
-+ grub_efi_disk_io_t *dio;
-+ grub_efi_block_io_t *bio;
-+ grub_efi_status_t status;
-+ grub_efi_uint64_t sector_size = get_device_sector_size(d);
-+
-+ dio = d->disk_io;
-+ bio = d->block_io;
-+
-+ grub_dprintf ("efidisk",
-+ "writing 0x%x sectors at the sector 0x%x to ??\n",
-+ (unsigned) size, (unsigned int) sector);
-+
-+ status = Call_Service_5 (dio->write ,
-+ dio, bio->media->media_id,
-+ sector * sector_size,
-+ size * sector_size,
-+ (void *) buf);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return -1;
-+
-+ return 0;
-+}
-+
-+void
-+grub_efidisk_init (void)
-+{
-+ enumerate_disks ();
-+}
-+
-+void
-+grub_efidisk_fini (void)
-+{
-+ free_devices (fd_devices);
-+ free_devices (hd_devices);
-+ free_devices (cd_devices);
-+}
-+
-+static int
-+get_device_sector_size(struct grub_efidisk_data *device)
-+{
-+ return device->block_io->media->block_size;
-+}
-+
-+int
-+get_sector_size(int drive)
-+{
-+ struct grub_efidisk_data *device = get_device_from_drive(drive);
-+ return get_device_sector_size(device);
-+}
-+
-+/*
-+ * ffz = Find First Zero in word. Undefined if no zero exists,
-+ * so code should check against ~0UL first..
-+ */
-+static __inline__ unsigned int
-+ffz (unsigned int word)
-+{
-+ __asm__ ("bsfl %1,%0"
-+: "=r" (word)
-+: "r" (~word));
-+ return word;
-+}
-+#define log2(n) ffz(~(n))
-+
-+static int
-+get_device_sector_bits(struct grub_efidisk_data *device)
-+{
-+ int sector_size = get_device_sector_size(device);
-+ return log2(sector_size);
-+}
-+
-+int
-+get_sector_bits(int drive)
-+{
-+ int sector_size = get_sector_size(drive);
-+ return log2(sector_size);
-+}
-+
-+static struct grub_efidisk_data *
-+get_device_from_drive (int drive)
-+{
-+#ifdef SUPPORT_NETBOOT
-+ /* Not supported */
-+ if (drive == NETWORK_DRIVE)
-+ return NULL;
-+#endif
-+ if (drive == GRUB_INVALID_DRIVE)
-+ return NULL;
-+ if (drive == cdrom_drive)
-+ return get_device (cd_devices, 0);
-+ /* Hard disk */
-+ if (drive & 0x80)
-+ return get_device (hd_devices, drive - 0x80);
-+ /* Floppy disk */
-+ else
-+ return get_device (fd_devices, drive);
-+}
-+
-+/* Low-level disk I/O. Our stubbed version just returns a file
-+ descriptor, not the actual geometry. */
-+int
-+get_diskinfo (int drive, struct geometry *geometry)
-+{
-+ struct grub_efidisk_data *d;
-+
-+ d = get_device_from_drive (drive);
-+ if (!d)
-+ return -1;
-+ geometry->total_sectors = d->block_io->media->last_block+1;
-+ geometry->sector_size = d->block_io->media->block_size;
-+ geometry->flags = BIOSDISK_FLAG_LBA_EXTENSION;
-+ geometry->sectors = 63;
-+ if (geometry->total_sectors / 63 < 255)
-+ geometry->heads = 1;
-+ else
-+ geometry->heads = 255;
-+ geometry->cylinders = geometry->total_sectors / 63 / geometry->heads;
-+ return 0;
-+}
-+
-+int
-+biosdisk (int subfunc, int drive, struct geometry *geometry,
-+ int sector, int nsec, int segment)
-+{
-+ char *buf;
-+ struct grub_efidisk_data *d;
-+ int ret;
-+
-+ d = get_device_from_drive (drive);
-+ if (!d)
-+ return -1;
-+ buf = (char *) ((unsigned long) segment << 4);
-+ switch (subfunc)
-+ {
-+ case BIOSDISK_READ:
-+ ret = grub_efidisk_read (d, sector, nsec, buf);
-+ break;
-+ case BIOSDISK_WRITE:
-+ ret = grub_efidisk_write (d, sector, nsec, buf);
-+ break;
-+ default:
-+ return -1;
-+ }
-+
-+ return 0;
-+}
-+
-+/* Some utility functions to map GRUB devices with EFI devices. */
-+grub_efi_handle_t
-+grub_efidisk_get_current_bdev_handle (void)
-+{
-+ struct grub_efidisk_data *d;
-+
-+ d = get_device_from_drive (current_drive);
-+ if (d == NULL)
-+ return NULL;
-+
-+ if (current_drive == GRUB_INVALID_DRIVE)
-+ return NULL;
-+
-+ if (current_drive == cdrom_drive)
-+ return d->handle;
-+
-+ if (! (current_drive & 0x80))
-+ return d->handle;
-+ /* If this is the whole disk, just return its own data. */
-+ else if (current_partition == 0xFFFFFF)
-+ return d->handle;
-+ /* Otherwise, we must query the corresponding device to the firmware. */
-+ else
-+ {
-+ struct grub_efidisk_data *devices;
-+ grub_efi_handle_t handle = 0;
-+ auto int find_partition (struct grub_efidisk_data *c);
-+
-+ int find_partition (struct grub_efidisk_data *c)
-+ {
-+ grub_efi_hard_drive_device_path_t hd;
-+
-+ grub_memcpy (&hd, c->last_device_path, sizeof (hd));
-+
-+ if ((GRUB_EFI_DEVICE_PATH_TYPE (c->last_device_path)
-+ == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE)
-+ && (GRUB_EFI_DEVICE_PATH_SUBTYPE (c->last_device_path)
-+ == GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE)
-+ && (part_start == hd.partition_start))
-+ {
-+ handle = c->handle;
-+ return 1;
-+ }
-+
-+ return 0;
-+ }
-+
-+ devices = make_devices ();
-+ iterate_child_devices (devices, d, find_partition);
-+ free_devices (devices);
-+
-+ if (handle != 0)
-+ return handle;
-+ }
-+
-+ return 0;
-+}
-+
-+int
-+grub_get_drive_partition_from_bdev_handle (grub_efi_handle_t handle,
-+ unsigned long *drive,
-+ unsigned long *partition)
-+{
-+ grub_efi_device_path_t *dp, *dp1;
-+ struct grub_efidisk_data *d, *devices;
-+ int drv;
-+ unsigned long part;
-+ grub_efi_hard_drive_device_path_t hd;
-+ int found;
-+ int part_type, part_entry;
-+ unsigned long partition_start, partition_len, part_offset, part_extoffset;
-+ unsigned long gpt_offset;
-+ int gpt_count, gpt_size;
-+ auto int find_bdev (struct grub_efidisk_data *c);
-+
-+ int find_bdev (struct grub_efidisk_data *c)
-+ {
-+ if (! compare_device_paths (c->device_path, dp))
-+ {
-+ grub_memcpy (&hd, c->last_device_path, sizeof (hd));
-+ found = 1;
-+ return 1;
-+ }
-+ return 0;
-+ }
-+
-+ dp = grub_efi_get_device_path (handle);
-+ if (! dp)
-+ return 0;
-+
-+ dp1 = dp;
-+ while (1)
-+ {
-+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (dp1);
-+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE(dp1);
-+ grub_efi_uint16_t len = GRUB_EFI_DEVICE_PATH_LENGTH (dp);
-+
-+ if (type == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE &&
-+ subtype == GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE)
-+ {
-+ dp1->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ dp1->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+ dp1->length[0] = 4;
-+ dp1->length[1] = 0;
-+ }
-+
-+ if (type == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE &&
-+ subtype == GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE)
-+ {
-+ grub_efi_hard_drive_device_path_t temp_hd;
-+ grub_memcpy (&temp_hd, dp1, len);
-+ if (temp_hd.signature_type == 0 && temp_hd.mbr_type >= 0x10) {
-+ /*
-+ * Apple Parttion Map CDs appear as hard drives with non-spec
-+ * partition type fields. Fix them up.
-+ */
-+ dp1->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ dp1->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+ dp1->length[0] = 4;
-+ dp1->length[1] = 0;
-+ }
-+ }
-+
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp1))
-+ break;
-+
-+ dp1 = GRUB_EFI_NEXT_DEVICE_PATH(dp1);
-+ }
-+
-+ drv = 0;
-+ for (d = fd_devices; d; d = d->next, drv++)
-+ {
-+ if (! compare_device_paths (d->device_path, dp))
-+ {
-+ *partition = 0xFFFFFF;
-+ *drive = drv;
-+ return 1;
-+ }
-+ }
-+
-+ drv = cdrom_drive;
-+ if (cd_devices && ! compare_device_paths (cd_devices->device_path, dp))
-+ {
-+ *partition = 0xFFFFFF;
-+ *drive = drv;
-+ return 1;
-+ }
-+
-+ drv = 0x80;
-+ for (d = hd_devices; d; d = d->next, drv++)
-+ {
-+ if (! compare_device_paths (d->device_path, dp))
-+ {
-+ *partition = 0xFFFFFF;
-+ *drive = drv;
-+ return 1;
-+ }
-+ }
-+
-+ devices = make_devices ();
-+
-+ drv = 0x80;
-+ found = 0;
-+ for (d = hd_devices; d; d = d->next, drv++)
-+ {
-+ iterate_child_devices (devices, d, find_bdev);
-+ if (found)
-+ break;
-+ }
-+
-+ free_devices (devices);
-+
-+ if (! found)
-+ return 0;
-+
-+ char buf[get_sector_size(drv)];
-+ part = 0xFFFFFF;
-+ while (next_partition (drv, 0, &part, &part_type,
-+ &partition_start, &partition_len,
-+ &part_offset, &part_entry,
-+ &part_extoffset, &gpt_offset, &gpt_count,
-+ &gpt_size, buf))
-+ {
-+ if (part_type
-+ && partition_start == hd.partition_start)
-+ {
-+ *drive = drv;
-+ *partition = part;
-+ return 1;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+int
-+check_device (const char *device)
-+{
-+ grub_efi_device_path_t *dp;
-+
-+ dp = device_path_from_utf8(device);
-+ if (dp == NULL)
-+ return 0;
-+
-+ grub_free(dp);
-+ return 1;
-+}
-+
-+static void
-+swap_devices (struct grub_efidisk_data *d0,
-+ struct grub_efidisk_data *d1)
-+{
-+ struct grub_efidisk_data tmp;
-+
-+ if (!d0 || !d1)
-+ return;
-+
-+ memcpy(&tmp, d1, sizeof(*d1));
-+
-+ memcpy(&d0->handle, &d1->handle, sizeof(d1->handle));
-+ d0->device_path = d1->device_path;
-+ d0->last_device_path = d1->last_device_path;
-+ d0->block_io = d1->block_io;
-+ d0->disk_io = d1->disk_io;
-+
-+ memcpy(d1->handle, tmp.handle, sizeof(tmp.handle));
-+ d1->device_path = tmp.device_path;
-+ d1->last_device_path = tmp.last_device_path;
-+ d1->block_io = tmp.block_io;
-+ d1->disk_io = tmp.disk_io;
-+}
-+
-+static int
-+compare_hd_device_paths(grub_efi_hard_drive_device_path_t *hd0,
-+ grub_efi_hard_drive_device_path_t *hd1)
-+{
-+ grub_efi_uint64_t x;
-+ int sigsize;
-+
-+ if ((x = hd1->partition_number - hd0->partition_number))
-+ return x;
-+
-+ if ((x = hd1->partition_start - hd0->partition_start))
-+ return x;
-+
-+
-+ if ((x = hd1->partition_size - hd0->partition_size))
-+ return x;
-+
-+ if ((x = hd1->signature_type - hd0->signature_type))
-+ return x;
-+
-+ switch (hd0->signature_type)
-+ {
-+ case 1:
-+ sigsize = 4;
-+ break;
-+ case 2:
-+ sigsize = 16;
-+ break;
-+ default:
-+ sigsize = 0;
-+ break;
-+ }
-+ x = grub_memcmp((char *)hd0->partition_signature,
-+ (char *)hd1->partition_signature, sigsize);
-+ return x;
-+}
-+
-+static grub_efi_device_path_t *
-+get_parent_of_disk(grub_efi_device_path_t *hd)
-+{
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_handle_t *handles;
-+ grub_efi_handle_t *handle;
-+ grub_efi_device_path_t *ret;
-+
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL,
-+ &simple_file_system_guid,
-+ 0, &num_handles);
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ grub_efi_device_path_t *fsdp, *hddp;
-+
-+ fsdp = grub_efi_get_device_path (*handle);
-+ if (!fsdp)
-+ continue;
-+ hddp = find_last_device_path(fsdp);
-+
-+ if (compare_hd_device_paths((grub_efi_hard_drive_device_path_t *)hddp,
-+ (grub_efi_hard_drive_device_path_t *)hd) == 0)
-+ {
-+ grub_efi_device_path_t *p;
-+ ret = duplicate_device_path((grub_efi_device_path_t *)fsdp);
-+ if (!ret)
-+ return NULL;
-+ for (p = ret; ; p = GRUB_EFI_NEXT_DEVICE_PATH(p))
-+ {
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH(p))
-+ break;
-+ if ((GRUB_EFI_DEVICE_PATH_TYPE(p) ==
-+ GRUB_EFI_MEDIA_DEVICE_PATH_TYPE)
-+ && (GRUB_EFI_DEVICE_PATH_SUBTYPE(p) ==
-+ GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE))
-+ {
-+ p->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ p->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+ p->length[0] = 4;
-+ p->length[1] = 0;
-+ break;
-+ }
-+ }
-+ return ret;
-+ }
-+ }
-+ return NULL;
-+}
-+
-+void
-+assign_device_name (int drive, const char *device)
-+{
-+ grub_efi_device_path_t *dp0, *dp1;
-+ struct grub_efidisk_data *devices;
-+ struct grub_efidisk_data *d, *d0 = NULL, *d1 = NULL;
-+ int n = -1;
-+
-+ dp0 = device_path_from_utf8(device);
-+ if (!dp0)
-+ return;
-+
-+ dp1 = get_parent_of_disk(dp0);
-+ grub_free(dp0);
-+ if (!dp1)
-+ return;
-+
-+ if (drive & 0x80)
-+ {
-+ drive -= 0x80;
-+ devices = hd_devices;
-+ }
-+ else
-+ {
-+ devices = cd_devices;
-+ drive -= 0x100;
-+ }
-+
-+ for (d = devices; d; d = d->next)
-+ {
-+ if (!d->device_path)
-+ continue;
-+
-+ if (++n == drive)
-+ d0 = d;
-+
-+ int x;
-+ if (!(x = compare_device_paths(dp1, d->device_path)))
-+ d1 = d;
-+
-+ if (d0 && d1)
-+ {
-+ /* if they're the same node, that just means it's already at
-+ * the right position. */
-+ if (d0 != d1)
-+ {
-+ swap_devices(d0, d1);
-+ grub_free(dp1);
-+ return;
-+ }
-+ }
-+ }
-+ grub_free(dp1);
-+}
-diff --git a/efi/efidp.c b/efi/efidp.c
-new file mode 100644
-index 0000000..d8ca03d
---- /dev/null
-+++ b/efi/efidp.c
-@@ -0,0 +1,999 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2010 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/types.h>
-+#include <grub/misc.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+
-+/* Duplicate a device path. */
-+grub_efi_device_path_t *
-+duplicate_device_path (const grub_efi_device_path_t *dp)
-+{
-+ grub_efi_device_path_t *p;
-+ grub_size_t total_size = 0;
-+
-+ for (p = (grub_efi_device_path_t *) dp;
-+ ;
-+ p = GRUB_EFI_NEXT_DEVICE_PATH (p))
-+ {
-+ total_size += GRUB_EFI_DEVICE_PATH_LENGTH (p);
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (p))
-+ break;
-+ }
-+
-+ p = grub_malloc (total_size);
-+ if (! p)
-+ return 0;
-+
-+ grub_memcpy (p, dp, total_size);
-+ return p;
-+}
-+
-+/* Return the device path node right before the end node. */
-+grub_efi_device_path_t *
-+find_last_device_path (const grub_efi_device_path_t *dp)
-+{
-+ grub_efi_device_path_t *next, *p;
-+
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp))
-+ return 0;
-+
-+ for (p = (grub_efi_device_path_t *) dp, next = GRUB_EFI_NEXT_DEVICE_PATH (p);
-+ ! GRUB_EFI_END_ENTIRE_DEVICE_PATH (next);
-+ p = next, next = GRUB_EFI_NEXT_DEVICE_PATH (next))
-+ ;
-+
-+ return p;
-+}
-+
-+/* Return the parent device path node. Must be freed */
-+grub_efi_device_path_t *
-+find_parent_device_path (const grub_efi_device_path_t *dp)
-+{
-+ grub_efi_device_path_t *final, *dup;
-+
-+ dup = duplicate_device_path(dp);
-+ final = find_last_device_path(dup);
-+
-+ final->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
-+ final->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-+
-+ return dup;
-+}
-+
-+/* Compare device paths. */
-+int
-+compare_device_paths (const grub_efi_device_path_t *dp1,
-+ const grub_efi_device_path_t *dp2)
-+{
-+ if (! dp1 || ! dp2)
-+ /* Return non-zero. */
-+ return 1;
-+
-+ while (1)
-+ {
-+ grub_efi_uint8_t type1, type2;
-+ grub_efi_uint8_t subtype1, subtype2;
-+ grub_efi_uint16_t len1, len2;
-+ int ret;
-+
-+ type1 = GRUB_EFI_DEVICE_PATH_TYPE (dp1);
-+ type2 = GRUB_EFI_DEVICE_PATH_TYPE (dp2);
-+
-+ if (type1 != type2)
-+ return (int) type2 - (int) type1;
-+
-+ subtype1 = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp1);
-+ subtype2 = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp2);
-+
-+ if (subtype1 != subtype2)
-+ return (int) subtype1 - (int) subtype2;
-+
-+ len1 = GRUB_EFI_DEVICE_PATH_LENGTH (dp1);
-+ len2 = GRUB_EFI_DEVICE_PATH_LENGTH (dp2);
-+
-+ if (len1 != len2)
-+ return (int) len1 - (int) len2;
-+
-+ ret = grub_memcmp ((char *)dp1, (char *)dp2, len1);
-+ if (ret != 0)
-+ return ret;
-+
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp1))
-+ break;
-+
-+ dp1 = (grub_efi_device_path_t *) ((char *) dp1 + len1);
-+ dp2 = (grub_efi_device_path_t *) ((char *) dp2 + len2);
-+ }
-+
-+ return 0;
-+}
-+
-+/* Print the chain of Device Path nodes. This is mainly for debugging. */
-+void
-+grub_efi_print_device_path (grub_efi_device_path_t *dp)
-+{
-+ while (1)
-+ {
-+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (dp);
-+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp);
-+ grub_efi_uint16_t len = GRUB_EFI_DEVICE_PATH_LENGTH (dp);
-+
-+ switch (type)
-+ {
-+ case GRUB_EFI_END_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE:
-+ grub_printf ("/EndEntire\n");
-+ //grub_putchar ('\n');
-+ break;
-+ case GRUB_EFI_END_THIS_DEVICE_PATH_SUBTYPE:
-+ grub_printf ("/EndThis\n");
-+ //grub_putchar ('\n');
-+ break;
-+ default:
-+ grub_printf ("/EndUnknown(%x)\n", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ case GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_PCI_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_pci_device_path_t pci;
-+ grub_memcpy (&pci, dp, len);
-+ grub_printf ("/PCI(%x,%x)",
-+ (unsigned) pci.function, (unsigned) pci.device);
-+ }
-+ break;
-+ case GRUB_EFI_PCCARD_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_pccard_device_path_t pccard;
-+ grub_memcpy (&pccard, dp, len);
-+ grub_printf ("/PCCARD(%x)",
-+ (unsigned) pccard.function);
-+ }
-+ break;
-+ case GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_memory_mapped_device_path_t mmapped;
-+ grub_memcpy (&mmapped, dp, len);
-+ grub_printf ("/MMap(%x,%llx,%llx)",
-+ (unsigned) mmapped.memory_type,
-+ mmapped.start_address,
-+ mmapped.end_address);
-+ }
-+ break;
-+ case GRUB_EFI_VENDOR_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_vendor_device_path_t vendor;
-+ grub_memcpy (&vendor, dp, sizeof (vendor));
-+ grub_printf ("/Vendor(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
-+ (unsigned) vendor.vendor_guid.data1,
-+ (unsigned) vendor.vendor_guid.data2,
-+ (unsigned) vendor.vendor_guid.data3,
-+ (unsigned) vendor.vendor_guid.data4[0],
-+ (unsigned) vendor.vendor_guid.data4[1],
-+ (unsigned) vendor.vendor_guid.data4[2],
-+ (unsigned) vendor.vendor_guid.data4[3],
-+ (unsigned) vendor.vendor_guid.data4[4],
-+ (unsigned) vendor.vendor_guid.data4[5],
-+ (unsigned) vendor.vendor_guid.data4[6],
-+ (unsigned) vendor.vendor_guid.data4[7]);
-+ }
-+ break;
-+ case GRUB_EFI_CONTROLLER_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_controller_device_path_t controller;
-+ grub_memcpy (&controller, dp, len);
-+ grub_printf ("/Ctrl(%x)",
-+ (unsigned) controller.controller_number);
-+ }
-+ break;
-+ default:
-+ grub_printf ("/UnknownHW(%x)", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ case GRUB_EFI_ACPI_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_ACPI_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_acpi_device_path_t acpi;
-+ grub_memcpy (&acpi, dp, len);
-+ grub_printf ("/ACPI(%x,%x)",
-+ (unsigned) acpi.hid,
-+ (unsigned) acpi.uid);
-+ }
-+ break;
-+ case GRUB_EFI_EXPANDED_ACPI_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_expanded_acpi_device_path_t eacpi;
-+ grub_memcpy (&eacpi, dp, sizeof (eacpi));
-+ grub_printf ("/ACPI(");
-+
-+ if (GRUB_EFI_EXPANDED_ACPI_HIDSTR (dp)[0] == '\0')
-+ grub_printf ("%x,", (unsigned) eacpi.hid);
-+ else
-+ grub_printf ("%s,", GRUB_EFI_EXPANDED_ACPI_HIDSTR (dp));
-+
-+ if (GRUB_EFI_EXPANDED_ACPI_UIDSTR (dp)[0] == '\0')
-+ grub_printf ("%x,", (unsigned) eacpi.uid);
-+ else
-+ grub_printf ("%s,", GRUB_EFI_EXPANDED_ACPI_UIDSTR (dp));
-+
-+ if (GRUB_EFI_EXPANDED_ACPI_CIDSTR (dp)[0] == '\0')
-+ grub_printf ("%x)", (unsigned) eacpi.cid);
-+ else
-+ grub_printf ("%s)", GRUB_EFI_EXPANDED_ACPI_CIDSTR (dp));
-+ }
-+ break;
-+ default:
-+ grub_printf ("/UnknownACPI(%x)", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ case GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_ATAPI_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_atapi_device_path_t atapi;
-+ grub_memcpy (&atapi, dp, len);
-+ grub_printf ("/ATAPI(%x,%x,%x)",
-+ (unsigned) atapi.primary_secondary,
-+ (unsigned) atapi.slave_master,
-+ (unsigned) atapi.lun);
-+ }
-+ break;
-+ case GRUB_EFI_SCSI_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_scsi_device_path_t scsi;
-+ grub_memcpy (&scsi, dp, len);
-+ grub_printf ("/SCSI(%x,%x)",
-+ (unsigned) scsi.pun,
-+ (unsigned) scsi.lun);
-+ }
-+ break;
-+ case GRUB_EFI_FIBRE_CHANNEL_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_fibre_channel_device_path_t fc;
-+ grub_memcpy (&fc, dp, len);
-+ grub_printf ("/FibreChannel(%llx,%llx)",
-+ fc.wwn, fc.lun);
-+ }
-+ break;
-+ case GRUB_EFI_1394_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_1394_device_path_t firewire;
-+ grub_memcpy (&firewire, dp, len);
-+ grub_printf ("/1394(%llx)", firewire.guid);
-+ }
-+ break;
-+ case GRUB_EFI_USB_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_usb_device_path_t usb;
-+ grub_memcpy (&usb, dp, len);
-+ grub_printf ("/USB(%x,%x)",
-+ (unsigned) usb.parent_port_number,
-+ (unsigned) usb.interface);
-+ }
-+ break;
-+ case GRUB_EFI_USB_CLASS_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_usb_class_device_path_t usb_class;
-+ grub_memcpy (&usb_class, dp, len);
-+ grub_printf ("/USBClass(%x,%x,%x,%x,%x)",
-+ (unsigned) usb_class.vendor_id,
-+ (unsigned) usb_class.product_id,
-+ (unsigned) usb_class.device_class,
-+ (unsigned) usb_class.device_subclass,
-+ (unsigned) usb_class.device_protocol);
-+ }
-+ break;
-+ case GRUB_EFI_I2O_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_i2o_device_path_t i2o;
-+ grub_memcpy (&i2o, dp, len);
-+ grub_printf ("/I2O(%x)", (unsigned) i2o.tid);
-+ }
-+ break;
-+ case GRUB_EFI_MAC_ADDRESS_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_mac_address_device_path_t mac;
-+ grub_memcpy (&mac, dp, len);
-+ grub_printf ("/MacAddr(%x:%x:%x:%x:%x:%x,%x)",
-+ (unsigned) mac.mac_address[0],
-+ (unsigned) mac.mac_address[1],
-+ (unsigned) mac.mac_address[2],
-+ (unsigned) mac.mac_address[3],
-+ (unsigned) mac.mac_address[4],
-+ (unsigned) mac.mac_address[5],
-+ (unsigned) mac.if_type);
-+ }
-+ break;
-+ case GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_ipv4_device_path_t ipv4;
-+ grub_memcpy (&ipv4, dp, len);
-+ grub_printf ("/IPv4(%u.%u.%u.%u,%u.%u.%u.%u,%u,%u,%x,%x)",
-+ (unsigned) ipv4.local_ip_address[0],
-+ (unsigned) ipv4.local_ip_address[1],
-+ (unsigned) ipv4.local_ip_address[2],
-+ (unsigned) ipv4.local_ip_address[3],
-+ (unsigned) ipv4.remote_ip_address[0],
-+ (unsigned) ipv4.remote_ip_address[1],
-+ (unsigned) ipv4.remote_ip_address[2],
-+ (unsigned) ipv4.remote_ip_address[3],
-+ (unsigned) ipv4.local_port,
-+ (unsigned) ipv4.remote_port,
-+ (unsigned) ipv4.protocol,
-+ (unsigned) ipv4.static_ip_address);
-+ }
-+ break;
-+ case GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_ipv6_device_path_t ipv6;
-+ grub_memcpy (&ipv6, dp, len);
-+ grub_printf ("/IPv6(%x:%x:%x:%x:%x:%x:%x:%x,%x:%x:%x:%x:%x:%x:%x:%x,%u,%u,%x,%x)",
-+ (unsigned) ipv6.local_ip_address[0],
-+ (unsigned) ipv6.local_ip_address[1],
-+ (unsigned) ipv6.local_ip_address[2],
-+ (unsigned) ipv6.local_ip_address[3],
-+ (unsigned) ipv6.local_ip_address[4],
-+ (unsigned) ipv6.local_ip_address[5],
-+ (unsigned) ipv6.local_ip_address[6],
-+ (unsigned) ipv6.local_ip_address[7],
-+ (unsigned) ipv6.remote_ip_address[0],
-+ (unsigned) ipv6.remote_ip_address[1],
-+ (unsigned) ipv6.remote_ip_address[2],
-+ (unsigned) ipv6.remote_ip_address[3],
-+ (unsigned) ipv6.remote_ip_address[4],
-+ (unsigned) ipv6.remote_ip_address[5],
-+ (unsigned) ipv6.remote_ip_address[6],
-+ (unsigned) ipv6.remote_ip_address[7],
-+ (unsigned) ipv6.local_port,
-+ (unsigned) ipv6.remote_port,
-+ (unsigned) ipv6.protocol,
-+ (unsigned) ipv6.static_ip_address);
-+ }
-+ break;
-+ case GRUB_EFI_INFINIBAND_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_infiniband_device_path_t ib;
-+ grub_memcpy (&ib, dp, len);
-+ grub_printf ("/InfiniBand(%x,%llx,%llx,%llx)",
-+ (unsigned) ib.port_gid[0], /* XXX */
-+ ib.remote_id,
-+ ib.target_port_id,
-+ ib.device_id);
-+ }
-+ break;
-+ case GRUB_EFI_UART_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_uart_device_path_t uart;
-+ grub_memcpy (&uart, dp, len);
-+ grub_printf ("/UART(%llu,%u,%x,%x)",
-+ uart.baud_rate,
-+ uart.data_bits,
-+ uart.parity,
-+ uart.stop_bits);
-+ }
-+ break;
-+ case GRUB_EFI_VENDOR_MESSAGING_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_vendor_messaging_device_path_t vendor;
-+ grub_memcpy (&vendor, dp, sizeof (vendor));
-+ grub_printf ("/Vendor(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
-+ (unsigned) vendor.vendor_guid.data1,
-+ (unsigned) vendor.vendor_guid.data2,
-+ (unsigned) vendor.vendor_guid.data3,
-+ (unsigned) vendor.vendor_guid.data4[0],
-+ (unsigned) vendor.vendor_guid.data4[1],
-+ (unsigned) vendor.vendor_guid.data4[2],
-+ (unsigned) vendor.vendor_guid.data4[3],
-+ (unsigned) vendor.vendor_guid.data4[4],
-+ (unsigned) vendor.vendor_guid.data4[5],
-+ (unsigned) vendor.vendor_guid.data4[6],
-+ (unsigned) vendor.vendor_guid.data4[7]);
-+ }
-+ break;
-+ default:
-+ grub_printf ("/UnknownMessaging(%x)", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ case GRUB_EFI_MEDIA_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_hard_drive_device_path_t hd;
-+ grub_memcpy (&hd, dp, len);
-+ grub_printf ("/HD(%u,%llx,%llx,%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
-+ hd.partition_number,
-+ hd.partition_start,
-+ hd.partition_size,
-+ (unsigned) hd.partition_signature[3],
-+ (unsigned) hd.partition_signature[2],
-+ (unsigned) hd.partition_signature[1],
-+ (unsigned) hd.partition_signature[0],
-+ (unsigned) hd.partition_signature[5],
-+ (unsigned) hd.partition_signature[4],
-+ (unsigned) hd.partition_signature[7],
-+ (unsigned) hd.partition_signature[6],
-+ (unsigned) hd.partition_signature[9],
-+ (unsigned) hd.partition_signature[8],
-+ (unsigned) hd.partition_signature[10],
-+ (unsigned) hd.partition_signature[11],
-+ (unsigned) hd.partition_signature[12],
-+ (unsigned) hd.partition_signature[13],
-+ (unsigned) hd.partition_signature[14],
-+ (unsigned) hd.partition_signature[15]);
-+ }
-+ break;
-+ case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_cdrom_device_path_t cd;
-+ grub_memcpy (&cd, dp, len);
-+ grub_printf ("/CD(%u,%llx,%llx)",
-+ cd.boot_entry,
-+ cd.partition_start,
-+ cd.partition_size);
-+ }
-+ break;
-+ case GRUB_EFI_VENDOR_MEDIA_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_vendor_media_device_path_t vendor;
-+ grub_memcpy (&vendor, dp, sizeof (vendor));
-+ grub_printf ("/Vendor(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
-+ (unsigned) vendor.vendor_guid.data1,
-+ (unsigned) vendor.vendor_guid.data2,
-+ (unsigned) vendor.vendor_guid.data3,
-+ (unsigned) vendor.vendor_guid.data4[0],
-+ (unsigned) vendor.vendor_guid.data4[1],
-+ (unsigned) vendor.vendor_guid.data4[2],
-+ (unsigned) vendor.vendor_guid.data4[3],
-+ (unsigned) vendor.vendor_guid.data4[4],
-+ (unsigned) vendor.vendor_guid.data4[5],
-+ (unsigned) vendor.vendor_guid.data4[6],
-+ (unsigned) vendor.vendor_guid.data4[7]);
-+ }
-+ break;
-+ case GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_file_path_device_path_t *fp;
-+ grub_uint8_t buf[(len - 4) * 2 + 1];
-+ fp = (grub_efi_file_path_device_path_t *) dp;
-+ *grub_utf16_to_utf8 (buf, fp->path_name,
-+ (len - 4) / sizeof (grub_efi_char16_t))
-+ = '\0';
-+ grub_printf ("/File(%s)", buf);
-+ }
-+ break;
-+ case GRUB_EFI_PROTOCOL_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_protocol_device_path_t proto;
-+ grub_memcpy (&proto, dp, sizeof (proto));
-+ grub_printf ("/Protocol(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
-+ (unsigned) proto.guid.data1,
-+ (unsigned) proto.guid.data2,
-+ (unsigned) proto.guid.data3,
-+ (unsigned) proto.guid.data4[0],
-+ (unsigned) proto.guid.data4[1],
-+ (unsigned) proto.guid.data4[2],
-+ (unsigned) proto.guid.data4[3],
-+ (unsigned) proto.guid.data4[4],
-+ (unsigned) proto.guid.data4[5],
-+ (unsigned) proto.guid.data4[6],
-+ (unsigned) proto.guid.data4[7]);
-+ }
-+ break;
-+ default:
-+ grub_printf ("/UnknownMedia(%x)", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ case GRUB_EFI_BIOS_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_BIOS_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_bios_device_path_t bios;
-+ grub_memcpy (&bios, dp, sizeof (bios));
-+ grub_printf ("/BIOS(%x,%x,%s)",
-+ (unsigned) bios.device_type,
-+ (unsigned) bios.status_flags,
-+ (char *) (dp + 1));
-+ }
-+ break;
-+ default:
-+ grub_printf ("/UnknownBIOS(%x)", (unsigned) subtype);
-+ break;
-+ }
-+ break;
-+
-+ default:
-+ grub_printf ("/UnknownType(%x,%x)\n",
-+ (unsigned) type,
-+ (unsigned) subtype);
-+ return;
-+ break;
-+ }
-+
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp))
-+ break;
-+
-+ dp = (grub_efi_device_path_t *) ((char *) dp + len);
-+ }
-+}
-+
-+static inline int
-+dpname_matches(char *str, char *candidate)
-+{
-+ grub_size_t clen = grub_strlen(candidate);
-+ char scratch[clen + 2];
-+ int rc;
-+
-+ grub_strncpy(scratch, candidate, clen);
-+ scratch[clen+1] = '\0';
-+ if (scratch[clen-1] == '$')
-+ {
-+ scratch[--clen] = '\0';
-+ rc = !grub_strncasecmp(str, scratch, clen);
-+ return rc;
-+ }
-+
-+ grub_strncpy(scratch+clen, "(", 2);
-+ clen = grub_strlen(scratch);
-+ rc = !grub_strncasecmp(str, scratch, clen);
-+ return rc;
-+}
-+
-+static void
-+finish_param_parse(char *pos, char **end, char *tmp)
-+{
-+ if (!pos || !end || !tmp)
-+ return;
-+
-+ if (*end)
-+ **end = *tmp;
-+}
-+
-+static char *
-+get_next_param(char *pos, char **end, char *tmp)
-+{
-+ char *comma = NULL;
-+ char *openparen = NULL;
-+ char *closeparen = NULL;
-+
-+ if (!pos || !end || !tmp)
-+ return NULL;
-+
-+ if (*end)
-+ **end = *tmp;
-+
-+ openparen = grub_strchr(pos, '(');
-+ if (openparen && *openparen)
-+ {
-+ pos = grub_strnchr(openparen + 1, ' ');
-+ comma = grub_strchr(pos, ',');
-+ closeparen = grub_strchr(pos, ')');
-+
-+ if (comma && *comma)
-+ {
-+ *tmp = *comma;
-+ *comma = '\0';
-+ *end = comma;
-+ }
-+ else if (closeparen && *closeparen)
-+ {
-+ *tmp = *closeparen;
-+ *closeparen = '\0';
-+ *end = closeparen;
-+ }
-+ return pos;
-+ }
-+
-+ comma = grub_strchr(pos, ',');
-+ if (comma && *comma)
-+ {
-+ pos = grub_strnchr(comma + 1, ' ');
-+ comma = grub_strchr(pos, ',');
-+ closeparen = grub_strchr(pos, ')');
-+
-+ if (comma && *comma)
-+ {
-+ *tmp = *comma;
-+ *comma = '\0';
-+ *end = comma;
-+ }
-+ else if (closeparen && *closeparen)
-+ {
-+ *tmp = *closeparen;
-+ *closeparen = '\0';
-+ *end = closeparen;
-+ }
-+ return pos;
-+ }
-+
-+ closeparen = grub_strchr(pos, ')');
-+ if (closeparen && *closeparen)
-+ pos = grub_strnchr(closeparen + 1, ' ');
-+
-+ return pos;
-+}
-+
-+struct generic_device_path
-+ {
-+ grub_efi_uint8_t type;
-+ grub_efi_uint8_t subtype;
-+ grub_efi_uint16_t length;
-+ } __attribute__((packed));
-+
-+struct hd_media_device_path
-+ {
-+ grub_efi_uint8_t type;
-+ grub_efi_uint8_t subtype;
-+ grub_efi_uint16_t length;
-+ grub_efi_uint32_t partition;
-+ grub_efi_uint64_t startlba;
-+ grub_efi_uint64_t size;
-+ grub_efi_uint8_t signature[16];
-+ grub_efi_uint8_t mbr_type;
-+ grub_efi_uint8_t signature_type;
-+ } __attribute__((packed));
-+
-+static inline int
-+parse_device_path_component(const char *orig_str, void *data)
-+{
-+ int orig_str_len = strlen(orig_str) + 1;
-+ char str[orig_str_len];
-+ char tmp;
-+ char *pos = str;
-+ int ret = 0;
-+
-+ grub_strcpy(str, orig_str);
-+ if (dpname_matches(str, "pci"))
-+ {
-+ }
-+ else if (dpname_matches(str, "pccard"))
-+ {
-+ }
-+ else if (dpname_matches(str, "mmap"))
-+ {
-+ }
-+ else if (dpname_matches(str, "ctrl"))
-+ {
-+ }
-+ else if (dpname_matches(str, "acpi"))
-+ {
-+ }
-+ /* XXX what about _ADR? */
-+ /* messaging device paths */
-+ else if (dpname_matches(str, "atapi"))
-+ {
-+ }
-+ else if (dpname_matches(str, "scsi"))
-+ {
-+ }
-+ else if (dpname_matches(str, "fibrechannel"))
-+ {
-+ }
-+ else if (dpname_matches(str, "1394"))
-+ {
-+ }
-+ else if (dpname_matches(str, "usb"))
-+ {
-+ }
-+ else if (dpname_matches(str, "sata"))
-+ {
-+ }
-+ /* XXX what about usb-wwid */
-+ /* XXX what about lun */
-+ else if (dpname_matches(str, "usbclass"))
-+ {
-+ }
-+ else if (dpname_matches(str, "i2o"))
-+ {
-+ }
-+ else if (dpname_matches(str, "macaddr"))
-+ {
-+ }
-+ else if (dpname_matches(str, "ipv4"))
-+ {
-+ }
-+ else if (dpname_matches(str, "ipv6"))
-+ {
-+ }
-+ /* XXX what about vlan */
-+ else if (dpname_matches(str, "infiniband"))
-+ {
-+ }
-+ else if (dpname_matches(str, "uart"))
-+ {
-+ }
-+ else if (dpname_matches(str, "uartflowctrl"))
-+ {
-+ }
-+ else if (dpname_matches(str, "sas"))
-+ {
-+ }
-+ else if (dpname_matches(str, "iscsi"))
-+ {
-+ }
-+ /* media device paths */
-+ else if (dpname_matches(str, "hd"))
-+ {
-+ /* these look roughly like:
-+ * HD(Partition,Type,Signature,Start, Size)
-+ * but:
-+ * - type may be optional. 1 or "MBR" means MBR. 2 or "GPT" means GPT.
-+ * - start and size are optional
-+ * - there can be random spaces
-+ */
-+ struct hd_media_device_path hddp;
-+ unsigned long tmpul;
-+ char *end = NULL, c;
-+ char tmps[19] = "0x";
-+ char *tmpsp;
-+
-+ ret = 42;
-+
-+ hddp.type = GRUB_EFI_MEDIA_DEVICE_PATH_TYPE;
-+ hddp.subtype = GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE;
-+ hddp.length = ret;
-+
-+ //pos += grub_strcspn(pos, '(');
-+ pos = get_next_param(pos, &end, &c);
-+ if (!*pos)
-+ {
-+broken_hd:
-+ finish_param_parse(pos, &end, &c);
-+ return 0;
-+ }
-+ grub_strncpy(tmps+2, pos, 16);
-+ tmps[18] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ hddp.partition = tmpul;
-+
-+ pos = get_next_param(pos, &end, &c);
-+ if (!*pos)
-+ goto broken_hd;
-+ grub_strcpy(tmps+2, pos);
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ hddp.startlba = tmpul;
-+
-+ pos = get_next_param(pos, &end, &c);
-+ if (!*pos)
-+ goto broken_hd;
-+ grub_strcpy(tmps+2, pos);
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ hddp.size = tmpul;
-+
-+ pos = get_next_param(pos, &end, &c);
-+ if (!*pos)
-+ goto broken_hd;
-+ if (!grub_strcmp(pos, "None"))
-+ {
-+ hddp.signature_type = 0;
-+ grub_memset(hddp.signature, '\0', sizeof(hddp.signature));
-+ }
-+ else if (grub_strnlen(pos, 36) == 8)
-+ {
-+ grub_efi_uint32_t tmpu32;
-+ grub_strncpy(tmps+2, pos, 8);
-+ tmps[10] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu32 = tmpul;
-+ hddp.signature_type = 1;
-+ grub_memcpy(hddp.signature, &tmpu32, sizeof(tmpu32));
-+ }
-+ else if (grub_strnlen(pos, 36) == 36)
-+ {
-+ grub_efi_uint32_t tmpu32;
-+ grub_efi_uint16_t tmpu16;
-+ grub_efi_uint8_t tmpu8;
-+
-+ grub_strncpy(tmps+2, pos, 8);
-+ tmps[10] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu32 = tmpul;
-+ grub_memcpy(hddp.signature, &tmpu32, sizeof(tmpu32));
-+
-+ grub_strncpy(tmps+2, pos+9, 4);
-+ tmps[6] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu16 = tmpul;
-+ grub_memcpy(hddp.signature + 4, &tmpu16, sizeof(tmpu16));
-+
-+ grub_strncpy(tmps+2, pos+14, 4);
-+ tmps[6] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu16 = tmpul;
-+ grub_memcpy(hddp.signature + 6, &tmpu16, sizeof(tmpu16));
-+
-+ /* these are displayed like a u16, but they're a u8. thanks. */
-+ grub_strncpy(tmps+2, pos+19, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 8, &tmpu8, sizeof(tmpu8));
-+ grub_strncpy(tmps+2, pos+21, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 9, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+24, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 10, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+26, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 11, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+28, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 12, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+30, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 13, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+32, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 14, &tmpu8, sizeof(tmpu8));
-+
-+ grub_strncpy(tmps+2, pos+34, 2);
-+ tmps[4] = '\0';
-+ tmpsp = tmps;
-+ safe_parse_maxulong(&tmpsp, &tmpul);
-+ tmpu8 = tmpul;
-+ grub_memcpy(hddp.signature + 15, &tmpu8, sizeof(tmpu8));
-+
-+ hddp.signature_type = 2;
-+ }
-+ else
-+ goto broken_hd;
-+
-+ hddp.mbr_type = hddp.signature_type;
-+
-+ if (data)
-+ grub_memcpy(data, &hddp, sizeof(hddp));
-+ }
-+ else if (dpname_matches(str, "cd"))
-+ {
-+ }
-+ else if (dpname_matches(str, "file"))
-+ {
-+ }
-+ else if (dpname_matches(str, "protocol"))
-+ {
-+ }
-+ /* what about piwg firmware file? */
-+ /* what about piwg firmware volume? */
-+ /* what about relative offset media */
-+ else if (dpname_matches(str, "bios"))
-+ {
-+ }
-+ /* This is the end beautiful friend */
-+ else if (dpname_matches(str, "EndEntire$"))
-+ {
-+ struct generic_device_path gdp = {
-+ .type = GRUB_EFI_END_DEVICE_PATH_TYPE,
-+ .subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE,
-+ .length = 4
-+ };
-+ ret = 4;
-+ if (data)
-+ grub_memmove(data, &gdp, sizeof(gdp));
-+ }
-+ else if (dpname_matches(str, "EndThis$"))
-+ {
-+ struct generic_device_path gdp = {
-+ .type = GRUB_EFI_END_DEVICE_PATH_TYPE,
-+ .subtype = GRUB_EFI_END_THIS_DEVICE_PATH_SUBTYPE,
-+ .length = 4
-+ };
-+ ret = 4;
-+ if (data)
-+ grub_memmove(data, &gdp, sizeof(gdp));
-+ }
-+ else if (dpname_matches(str, "EndUnknown$"))
-+ {
-+ struct generic_device_path gdp = {
-+ .type = GRUB_EFI_END_DEVICE_PATH_TYPE,
-+ .subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE,
-+ .length = 4
-+ };
-+ ret = 4;
-+ if (data)
-+ grub_memmove(data, &gdp, sizeof(gdp));
-+ }
-+ /* handle anything we didn't recognize */
-+ else if (dpname_matches(str, "vendor"))
-+ {
-+ /* needs to handle:
-+ * 1) hw vendor
-+ * 2) messaging vendor
-+ * 3) media vendor
-+ */
-+ }
-+ else
-+ {
-+ }
-+
-+ return ret;
-+}
-+
-+grub_efi_device_path_t *
-+device_path_from_utf8 (const char *device)
-+{
-+ grub_size_t device_len;
-+ grub_efi_device_path_t *dp = NULL;
-+
-+ device_len = parse_device_path_component(device, dp);
-+ device_len += parse_device_path_component("EndEntire", dp);
-+ dp = grub_malloc(device_len);
-+ if (!dp)
-+ return NULL;
-+ device_len = parse_device_path_component(device, dp);
-+ device_len += parse_device_path_component("EndEntire",
-+ (void *)((unsigned long)dp + device_len));
-+
-+
-+ return dp;
-+}
-diff --git a/efi/efigraph.c b/efi/efigraph.c
-new file mode 100644
-index 0000000..6905e07
---- /dev/null
-+++ b/efi/efigraph.c
-@@ -0,0 +1,1501 @@
-+/* efigraph.c - EFI "graphics output" support for GRUB/EFI */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright 2007 Red Hat, Inc.
-+ * Copyright (C) 2007 Intel Corp.
-+ * Copyright (C) 2001,2002 Red Hat, Inc.
-+ * Portions copyright (C) 2000 Conectiva, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <term.h>
-+#include <shared.h>
-+#include <graphics.h>
-+
-+#include "graphics.h"
-+#include "xpm.h"
-+
-+#define dbgdelay(_f, _l) ({\
-+ if (debug_graphics) { \
-+ do { \
-+ grub_efi_stall(1000); \
-+ } while (console_getkey() < 0); \
-+ } \
-+ })
-+
-+#define dprintf(format, args...) ({ \
-+ if (debug_graphics) { \
-+ struct term_entry *_tt = current_term; \
-+ current_term = term_table; \
-+ grub_printf(format, ##args); \
-+ current_term = _tt; \
-+ } \
-+ })
-+
-+struct grub_pixel_info
-+{
-+ char depth_bits;
-+ char depth_bytes;
-+ unsigned char red_size;
-+ unsigned char red_pos;
-+ unsigned char green_size;
-+ unsigned char green_pos;
-+ unsigned char blue_size;
-+ unsigned char blue_pos;
-+ unsigned char reserved_size;
-+ unsigned char reserved_pos;
-+ int line_length;
-+};
-+
-+typedef struct grub_pixel_info grub_pixel_info_t;
-+
-+
-+static grub_efi_guid_t graphics_output_guid = GRUB_EFI_GRAPHICS_OUTPUT_GUID;
-+static grub_efi_guid_t pci_io_guid = GRUB_EFI_PCI_IO_GUID;
-+
-+#ifndef MIN
-+#define MIN(x,y) ( ((x) < (y)) ? (x) : (y))
-+#endif
-+#ifndef MAX
-+#define MAX(x,y) ( ((x) < (y)) ? (y) : (x))
-+#endif
-+
-+#define pixel_equal(x,y) ((x).bgrr.red == (y).bgrr.red && \
-+ (x).bgrr.green == (y).bgrr.green && \
-+ (x).bgrr.blue == (y).bgrr.blue && \
-+ (x).bgrr.reserved == (y).bgrr.reserved)
-+
-+struct video_mode {
-+ grub_efi_uint32_t number;
-+ grub_efi_uintn_t size;
-+ grub_efi_graphics_output_mode_information_t *info;
-+};
-+
-+#define MAX_PALETTE 16
-+struct eg {
-+ struct graphics_backend *backend;
-+ grub_efi_graphics_output_t *output_intf;
-+ struct video_mode **modes;
-+ int max_mode;
-+ grub_efi_uint32_t text_mode;
-+ grub_efi_uint32_t graphics_mode;
-+ grub_pixel_info_t pixel_info;
-+ enum { TEXT, GRAPHICS } current_mode;
-+
-+ position_t screen_size;
-+ position_t screen_pos;
-+
-+ struct bltbuf *background;
-+
-+ grub_efi_graphics_output_pixel_t palette[MAX_PALETTE + 1];
-+};
-+
-+#define RGB(r,g,b) { .bgrr.red = r, .bgrr.green = g, .bgrr.blue = b }
-+
-+static grub_efi_graphics_output_pixel_t cga_colors[] = {
-+ RGB(0x00,0x00,0x00), // 0 Black
-+ RGB(0x7f,0x00,0x00), // 1 Dark Red
-+ RGB(0x00,0x7f,0x00), // 2 Dark Green
-+ RGB(0x7f,0x7f,0x00), // 3 Dark Yellow
-+ RGB(0x00,0x00,0x7f), // 4 Dark Blue
-+ RGB(0x7f,0x00,0x7f), // 5 Dark Magenta
-+ RGB(0x00,0x7f,0x7f), // 6 Dark Cyan
-+ RGB(0xc0,0xc0,0xc0), // 7 Light Grey
-+ RGB(0x7f,0x7f,0x7f), // 8 Dark Grey
-+ RGB(0xff,0x00,0x00), // 9 Red
-+ RGB(0x00,0xff,0x00), // 10 Green
-+ RGB(0xff,0xff,0x00), // 11 Yellow
-+ RGB(0x00,0x00,0xff), // 12 Blue
-+ RGB(0xff,0x00,0xff), // 13 Magenta
-+ RGB(0x00,0xff,0xff), // 14 Cyan
-+ RGB(0xff,0xff,0xff), // 15 White
-+ RGB(0xff,0xff,0xff), // 16 Also white ;)
-+};
-+
-+static const int n_cga_colors = sizeof (cga_colors) / sizeof (cga_colors[0]);
-+
-+static void
-+find_bits (unsigned long mask, unsigned char *first,
-+ unsigned char* len)
-+{
-+ unsigned char bit_pos = 0, bit_len = 0;
-+ *first =0;
-+ *len = 0;
-+ if (mask == 0)
-+ return;
-+ while (! (mask & 0x1)) {
-+ mask = mask >> 1;
-+ bit_pos++;
-+ }
-+ while (mask & 0x1) {
-+ mask = mask >> 1;
-+ bit_len++;
-+ }
-+ *first = bit_pos;
-+ *len = bit_len;
-+}
-+
-+static grub_efi_graphics_output_mode_information_t *
-+get_graphics_mode_info_for_mode(struct eg *eg, int mode)
-+{
-+ int i;
-+
-+ for (i = 0; i < eg->max_mode; i++) {
-+ if (eg->modes[i] == NULL)
-+ continue;
-+ if (eg->modes[i]->number == mode)
-+ return eg->modes[i]->info;
-+ }
-+ return NULL;
-+}
-+
-+static grub_efi_graphics_output_mode_information_t *
-+get_graphics_mode_info(struct eg *eg)
-+{
-+ return get_graphics_mode_info_for_mode(eg, eg->graphics_mode);
-+}
-+
-+static void
-+print_mode_info(struct video_mode *mode)
-+{
-+ grub_efi_graphics_output_mode_information_t *info = mode->info;
-+ dprintf("mode %d (%dx%d, pitch %d, ",
-+ mode->number,
-+ info->horizontal_resolution,
-+ info->vertical_resolution,
-+ info->pixels_per_scan_line);
-+ switch(info->pixel_format) {
-+ case GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR:
-+ dprintf("rgbr 8bpc");
-+ break;
-+ case GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR:
-+ dprintf("bgrr 8bpc");
-+ break;
-+ case GRUB_EFI_PIXEL_BIT_MASK:
-+ dprintf("bitmask color");
-+ break;
-+ case GRUB_EFI_PIXEL_BLT_ONLY:
-+ dprintf("blt only");
-+ break;
-+ }
-+ dprintf(")\n");
-+ if (info->pixel_format == GRUB_EFI_PIXEL_BIT_MASK) {
-+ dprintf("red: %08x green: %08x blue: %08x res: %08x\n",
-+ info->pixel_information.red_mask,
-+ info->pixel_information.green_mask,
-+ info->pixel_information.blue_mask,
-+ info->pixel_information.reserved_mask);
-+ }
-+}
-+
-+static void
-+set_kernel_params(struct graphics_backend *backend,
-+ struct linux_kernel_params *params)
-+{
-+ struct eg *eg;
-+
-+ if (!backend || !backend->priv)
-+ return;
-+
-+ eg = backend->priv;
-+ grub_efi_graphics_output_t *gop_intf = NULL;
-+ grub_efi_graphics_output_mode_t *gop_mode = NULL;
-+ grub_efi_status_t efi_status = GRUB_EFI_SUCCESS;
-+ grub_efi_graphics_output_mode_information_t *gop_info = NULL;
-+ grub_efi_uintn_t size;
-+
-+ gop_intf = grub_efi_locate_protocol (&graphics_output_guid, NULL);
-+ if (gop_intf == NULL)
-+ return;
-+
-+ gop_mode = gop_intf->mode;
-+
-+ efi_status = Call_Service_4 (gop_intf->query_mode,
-+ gop_intf, gop_mode->mode, &size, &gop_info);
-+
-+
-+ if (efi_status == GRUB_EFI_SUCCESS) {
-+ /* No VBE on EFI. */
-+ params->lfb_width = gop_info->horizontal_resolution;
-+ params->lfb_height = gop_info->vertical_resolution;
-+ params->lfb_base = gop_mode->frame_buffer_base;
-+ params->lfb_size = gop_mode->frame_buffer_size;
-+ params->lfb_pages = 1;
-+ params->vesapm_segment = 0;
-+ params->vesapm_offset = 0;
-+ params->vesa_attrib = 0;
-+ if (gop_info->pixel_format == GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR) {
-+ params->lfb_depth = 32;
-+ params->red_mask_size = 8;
-+ params->red_field_pos = 0;
-+ params->green_mask_size = 8;
-+ params->green_field_pos = 8;
-+ params->blue_mask_size = 8;
-+ params->blue_field_pos = 16;
-+ params->reserved_mask_size = 8;
-+ params->reserved_field_pos = 24;
-+ params->lfb_line_len = gop_info->pixels_per_scan_line * 4;
-+ } else if (gop_info->pixel_format ==
-+ GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR) {
-+ params->lfb_depth = 32;
-+ params->red_mask_size = 8;
-+ params->red_field_pos = 16;
-+ params->green_mask_size = 8;
-+ params->green_field_pos = 8;
-+ params->blue_mask_size = 8;
-+ params->blue_field_pos = 0;
-+ params->reserved_mask_size = 8;
-+ params->reserved_field_pos = 24;
-+ params->lfb_line_len = gop_info->pixels_per_scan_line * 4;
-+ } else if (gop_info->pixel_format == GRUB_EFI_PIXEL_BIT_MASK) {
-+ find_bits (gop_info->pixel_information.red_mask,
-+ ¶ms->red_field_pos, ¶ms->red_mask_size);
-+ find_bits (gop_info->pixel_information.green_mask,
-+ ¶ms->green_field_pos, ¶ms->green_mask_size);
-+ find_bits (gop_info->pixel_information.blue_mask,
-+ ¶ms->blue_field_pos, ¶ms->blue_mask_size);
-+ find_bits (gop_info->pixel_information.reserved_mask,
-+ ¶ms->reserved_field_pos, ¶ms->reserved_mask_size);
-+ params->lfb_depth = params->red_mask_size
-+ + params->green_mask_size
-+ + params->blue_mask_size
-+ + params->reserved_mask_size;
-+ params->lfb_line_len =
-+ (gop_info->pixels_per_scan_line * params->lfb_depth) / 8;
-+ } else {
-+ params->lfb_depth = 4;
-+ params->red_mask_size = 0;
-+ params->red_field_pos = 0;
-+ params->green_mask_size = 0;
-+ params->green_field_pos = 0;
-+ params->blue_mask_size = 0;
-+ params->blue_field_pos = 0;
-+ params->reserved_mask_size = 0;
-+ params->reserved_field_pos = 0;
-+ params->lfb_line_len = params->lfb_width / 2;
-+ }
-+#if 0
-+ params->video_cursor_x = 0;
-+ params->video_cursor_y = 0;
-+ params->video_page = 0;
-+ params->video_mode = 0;
-+ params->video_width = 0;
-+ params->video_ega_bx = 0;
-+ params->video_height = 0;
-+ params->have_vga = 0x70;
-+ params->font_size = 0;
-+#else
-+ params->video_cursor_x = grub_efi_system_table->con_out->mode->cursor_column;
-+ params->video_cursor_y = grub_efi_system_table->con_out->mode->cursor_row;
-+ params->video_page = 0; /* ??? */
-+ params->video_mode = grub_efi_system_table->con_out->mode->mode;
-+ params->video_width = (grub_console_getwh () >> 8);
-+ params->video_ega_bx = 0;
-+ params->video_height = (grub_console_getwh () & 0xff);
-+ params->have_vga = VIDEO_TYPE_EFI;
-+ params->font_size = 16; /* XXX */
-+#endif
-+ }
-+}
-+
-+static void
-+pixel_to_rgb(grub_efi_graphics_output_pixel_t *pixel,
-+ int *red, int *green, int *blue)
-+{
-+ *red = pixel->bgrr.red;
-+ *green = pixel->bgrr.green;
-+ *blue = pixel->bgrr.blue;
-+}
-+
-+static void
-+rgb_to_pixel(int red, int green, int blue,
-+ grub_efi_graphics_output_pixel_t *pixel)
-+{
-+ pixel->bgrr.red = red;
-+ pixel->bgrr.green = green;
-+ pixel->bgrr.blue = blue;
-+}
-+
-+static void
-+position_to_phys(struct eg *eg, position_t *virt, position_t *phys)
-+{
-+ phys->x = virt->x + eg->screen_pos.x;
-+ phys->y = virt->y + eg->screen_pos.y;
-+}
-+
-+static int
-+abs_paddr(struct eg *eg, position_t *virt)
-+{
-+ position_t phys;
-+ position_to_phys(eg, virt, &phys);
-+ return phys.x + phys.y * eg->screen_size.x;
-+}
-+
-+struct bltbuf {
-+ grub_efi_uintn_t width;
-+ grub_efi_uintn_t height;
-+ grub_efi_graphics_output_pixel_t pixbuf[];
-+};
-+
-+static struct bltbuf *alloc_bltbuf(grub_efi_uintn_t width,
-+ grub_efi_uintn_t height)
-+{
-+ struct bltbuf *buf = NULL;
-+ grub_efi_uintn_t pixbuf_size = width * height *
-+ sizeof (grub_efi_graphics_output_pixel_t);
-+
-+ if (!(buf = grub_malloc(sizeof(buf->width) + sizeof(buf->height) +
-+ pixbuf_size)))
-+ return NULL;
-+
-+ buf->width = width;
-+ buf->height = height;
-+ grub_memset(buf->pixbuf, '\0', pixbuf_size);
-+ return buf;
-+}
-+
-+
-+static void
-+hw_blt_pos_to_screen_pos(struct eg *eg, struct bltbuf *bltbuf,
-+ position_t *bltpos, position_t *bltsz, position_t *pos)
-+{
-+ position_t phys;
-+
-+ position_to_phys(eg, pos, &phys);
-+
-+ Call_Service_10(eg->output_intf->blt, eg->output_intf, (void *)bltbuf->pixbuf,
-+ GRUB_EFI_BLT_BUFFER_TO_VIDEO,
-+ bltpos->x, bltpos->y,
-+ phys.x, phys.y,
-+ bltsz->x, bltsz->y,
-+ 0);
-+}
-+
-+static void
-+blt_pos_to_screen_pos(struct eg *eg, struct bltbuf *bltbuf,
-+ position_t *bltpos, position_t *bltsz, position_t *pos)
-+{
-+ grub_efi_graphics_output_mode_information_t *info = get_graphics_mode_info(eg);
-+ grub_efi_graphics_output_pixel_t *pixel;
-+ position_t phys;
-+ const int pxlstride = info->pixels_per_scan_line;
-+ const int bytestride = pxlstride * sizeof (*pixel);
-+
-+ position_to_phys(eg, pos, &phys);
-+
-+ if (info->pixel_format == GRUB_EFI_PIXEL_BLT_ONLY || 1) {
-+ hw_blt_pos_to_screen_pos(eg, bltbuf, bltpos, bltsz, pos);
-+#if 0
-+ } else if (info->pixel_format == GRUB_EFI_PIXEL_BIT_MASK) {
-+ int y;
-+ grub_pixel_info_t *pinfo = &eg->pixel_info;
-+ const int maxpixels =
-+ MIN(info->horizontal_resolution - pos->x, bltsz->x);
-+
-+ for (y = bltpos->y; y < bltpos->y + bltsz->y; y++, phys.y++) {
-+ char raw_pixels[maxpixels * pinfo->depth_bytes];
-+ char *fb = (char *)(unsigned long)eg->output_intf->mode->frame_buffer_base;
-+ int x;
-+
-+ pixel = (void *)&bltbuf->pixbuf[y * bltbuf->width + bltpos->x];
-+ fb += phys.y * pinfo->line_length + phys.x * pinfo->depth_bytes;
-+
-+ for (x = 0; x < maxpixels; x++) {
-+ char depth_bytes = pinfo->depth_bytes;
-+ char *raw_pixel = raw_pixels + x * depth_bytes;
-+
-+ int red, green, blue, color;
-+ char *colorp;
-+
-+#if 0
-+ red = pixel[x].bgrr.red & 0x3f;
-+ green = pixel[x].bgrr.green & 0x3f;
-+ blue = pixel[x].bgrr.blue & 0x3f;
-+ red = red * ((1 << pinfo->red_size) - 1) / 0x3f;
-+ green = green * ((1 << pinfo->green_size) - 1) / 0x3f;
-+ blue = blue * ((1 << pinfo->blue_size) - 1) / 0x3f;
-+#else
-+ red = pixel[x].bgrr.red;
-+ green = pixel[x].bgrr.green;
-+ blue = pixel[x].bgrr.blue;
-+
-+ red >>= 8 - pinfo->red_size;
-+ green >>= 8 - pinfo->green_size;
-+ blue >>= 8 - pinfo->blue_size;
-+#endif
-+
-+ color = (red << pinfo->red_pos) |
-+ (green << pinfo->green_pos) |
-+ (blue << pinfo->blue_pos);
-+ colorp = (void *)&color;
-+ while (depth_bytes--)
-+ *raw_pixel++ = *colorp++;
-+ }
-+ memmove(fb, raw_pixels, maxpixels * pinfo->depth_bytes);
-+ }
-+#endif
-+ } else {
-+ int y;
-+ grub_pixel_info_t *pinfo = &eg->pixel_info;
-+ const int maxpixels =
-+ MIN(info->horizontal_resolution - pos->x, bltsz->x);
-+
-+ //char *line = &fb[phys.y * bytestride + phys.x * sizeof(*pixel)];
-+ for (y = bltpos->y; y < bltpos->y + bltsz->y; y++, phys.y++) {
-+ char raw_pixels[maxpixels * sizeof(*pixel)];
-+ char *fb = (char *)(unsigned long)eg->output_intf->mode->frame_buffer_base;
-+ int x;
-+
-+ pixel = (void *)&bltbuf->pixbuf[y * bltbuf->width + bltpos->x];
-+ fb += phys.y * pinfo->line_length + phys.x * pinfo->depth_bytes;
-+
-+ if (info->pixel_format == GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR) {
-+ memmove(raw_pixels, pixel, maxpixels * sizeof (*pixel));
-+ continue;
-+ } else if (info->pixel_format==GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR) {
-+ grub_efi_graphics_output_pixel_t shadow[maxpixels];
-+ for (x = 0; x < maxpixels; x++) {
-+ shadow[x].rgbr.red = pixel[x].bgrr.red;
-+ shadow[x].rgbr.green = pixel[x].bgrr.green;
-+ shadow[x].rgbr.blue = pixel[x].bgrr.blue;
-+ }
-+
-+ memmove(raw_pixels, shadow, maxpixels * sizeof (*pixel));
-+ } else if (info->pixel_format == GRUB_EFI_PIXEL_BIT_MASK) {
-+ for (x = 0; x < maxpixels; x++) {
-+ char depth_bytes = pinfo->depth_bytes;
-+ char *raw_pixel = raw_pixels + x * depth_bytes;
-+
-+ int red, green, blue, color;
-+ char *colorp;
-+
-+#if 0
-+ red = pixel[x].bgrr.red & 0x3f;
-+ green = pixel[x].bgrr.green & 0x3f;
-+ blue = pixel[x].bgrr.blue & 0x3f;
-+ red = red * ((1 << pinfo->red_size) - 1) / 0x3f;
-+ green = green * ((1 << pinfo->green_size) - 1) / 0x3f;
-+ blue = blue * ((1 << pinfo->blue_size) - 1) / 0x3f;
-+#else
-+ red = pixel[x].bgrr.red;
-+ green = pixel[x].bgrr.green;
-+ blue = pixel[x].bgrr.blue;
-+
-+ red >>= 8 - pinfo->red_size;
-+ green >>= 8 - pinfo->green_size;
-+ blue >>= 8 - pinfo->blue_size;
-+#endif
-+
-+ color = (red << pinfo->red_pos) |
-+ (green << pinfo->green_pos) |
-+ (blue << pinfo->blue_pos);
-+ colorp = (void *)&color;
-+ while (depth_bytes--)
-+ *raw_pixel++ = *colorp++;
-+ }
-+ }
-+ memmove(fb, raw_pixels, maxpixels * pinfo->depth_bytes);
-+ }
-+ }
-+}
-+
-+static void
-+blt_to_screen(struct eg *eg, struct bltbuf *bltbuf)
-+{
-+#if 0
-+ position_t addr = {0, 0};
-+
-+ position_to_phys(eg, &addr, &addr);
-+
-+ Call_Service_10(eg->output_intf->blt, eg->output_intf, bltbuf->pixbuf,
-+ GRUB_EFI_BLT_BUFFER_TO_VIDEO,
-+ 0, 0,
-+ addr.x, addr.y,
-+ bltbuf->width, bltbuf->height,
-+ 0);
-+#else
-+ const int pxlstride = eg->output_intf->mode->info->pixels_per_scan_line;
-+ position_t bltsz, bltpos = { 0, 0 }, pos = { 0, 0 };
-+ bltsz.x = MIN(bltbuf->width, pxlstride);
-+ bltsz.y = MIN(bltbuf->height, eg->output_intf->mode->info->vertical_resolution);
-+
-+ blt_pos_to_screen_pos(eg, bltbuf, &bltpos, &bltsz, &pos);
-+#endif
-+}
-+
-+static void
-+blt_to_screen_pos(struct eg *eg, struct bltbuf *bltbuf, position_t *pos)
-+{
-+ position_t bltpos = {0, 0};
-+ position_t bltsz = { bltbuf->width, bltbuf->height };
-+ blt_pos_to_screen_pos(eg, bltbuf, &bltpos, &bltsz, pos);
-+}
-+
-+static int
-+save_video_mode(struct eg *eg, struct video_mode *mode)
-+{
-+ grub_efi_status_t status;
-+
-+
-+
-+ status = Call_Service_4(eg->output_intf->query_mode, eg->output_intf,
-+ mode->number, &mode->size, &mode->info);
-+ return status == GRUB_EFI_SUCCESS;
-+}
-+
-+static void
-+get_screen_size(struct graphics_backend *backend, position_t *size)
-+{
-+ struct eg *eg = backend->priv;
-+ grub_efi_graphics_output_mode_information_t *info;
-+
-+ info = get_graphics_mode_info(eg);
-+
-+ size->x = info->horizontal_resolution;
-+ size->y = info->vertical_resolution;
-+}
-+
-+static void
-+bltbuf_set_pixel(struct bltbuf *bltbuf, position_t *pos,
-+ grub_efi_graphics_output_pixel_t *pixel)
-+{
-+ if (pos->x < 0 || pos->x >= bltbuf->width)
-+ return;
-+ if (pos->x < 0 || pos->y >= bltbuf->height)
-+ return;
-+ grub_memmove(&bltbuf->pixbuf[pos->x + pos->y * bltbuf->width], pixel,
-+ sizeof *pixel);
-+}
-+
-+static void
-+bltbuf_get_pixel(struct bltbuf *bltbuf, position_t *pos,
-+ grub_efi_graphics_output_pixel_t *pixel)
-+{
-+ if (bltbuf && pos->x < bltbuf->width && pos->y < bltbuf->height) {
-+ grub_memmove(pixel, &bltbuf->pixbuf[pos->x + pos->y * bltbuf->width],
-+ sizeof *pixel);
-+ } else {
-+ pixel->bgrr.red = 0x00;
-+ pixel->bgrr.green = 0x00;
-+ pixel->bgrr.blue = 0x00;
-+ }
-+}
-+
-+static void
-+bltbuf_set_pixel_rgb(struct bltbuf *bltbuf, position_t *pos,
-+ int red, int green, int blue)
-+{
-+ grub_efi_graphics_output_pixel_t pixel;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ bltbuf_set_pixel(bltbuf, pos, &pixel);
-+}
-+
-+static void
-+bltbuf_set_pixel_idx(struct eg *eg, struct bltbuf *bltbuf,
-+ position_t *pos, int idx)
-+{
-+ bltbuf_set_pixel(bltbuf, pos, &eg->palette[idx]);
-+}
-+
-+static void
-+bltbuf_get_pixel_idx(struct bltbuf *bltbuf, position_t *pos, int *idx)
-+{
-+ grub_efi_graphics_output_pixel_t pixel;
-+
-+ rgb_to_pixel(0, 0, 0, &pixel);
-+ bltbuf_get_pixel(bltbuf, pos, &pixel);
-+ for (*idx = 0; *idx < 16; (*idx)++) {
-+ if (pixel_equal(cga_colors[*idx], pixel))
-+ break;
-+ }
-+}
-+
-+static struct bltbuf *
-+xpm_to_bltbuf(struct xpm *xpm)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ position_t pos;
-+
-+ if (!(bltbuf = alloc_bltbuf(xpm->width, xpm->height)))
-+ return NULL;
-+
-+ for (pos.y = 0; pos.y < xpm->height; pos.y++) {
-+ for (pos.x = 0; pos.x < xpm->width; pos.x++) {
-+ xpm_pixel_t xpl;
-+ unsigned char idx;
-+
-+ idx = xpm_get_pixel_idx(xpm, pos.x, pos.y);
-+ xpm_get_idx(xpm, idx, &xpl);
-+
-+ bltbuf_set_pixel_rgb(bltbuf, &pos, xpl.red, xpl.green, xpl.blue);
-+ }
-+ }
-+
-+ return bltbuf;
-+}
-+
-+static void
-+cursor(struct graphics_backend *backend, int set)
-+{
-+ struct eg *eg;
-+ int ch, invert;
-+ unsigned short *text;
-+ position_t fpos, screensz;
-+ int offset;
-+
-+ eg = backend->priv;
-+
-+ if (set && !graphics_get_scroll())
-+ return;
-+
-+ text = graphics_get_text_buf();
-+ graphics_get_font_position(&fpos);
-+ graphics_get_screen_rowscols(&screensz);
-+
-+ offset = fpos.y * screensz.x + fpos.x;
-+
-+ if (set)
-+ text[offset] |= 0x0200;
-+
-+ graphics_clbl(fpos.x, fpos.y, 1, 1, 1);
-+
-+ if (set)
-+ text[offset] &= 0xfdff;
-+}
-+
-+static void blank(struct graphics_backend *backend);
-+
-+static void
-+reset_screen_geometry(struct graphics_backend *backend)
-+{
-+ struct eg *eg = backend->priv;
-+ struct xpm *xpm = graphics_get_splash_xpm();
-+ grub_efi_graphics_output_mode_information_t *info;
-+ position_t screensz;
-+
-+ info = get_graphics_mode_info(eg);
-+
-+ if (xpm) {
-+ eg->screen_pos.x =
-+ (info->horizontal_resolution - xpm->width) / 2;
-+ eg->screen_pos.y =
-+ (info->vertical_resolution - xpm->height) / 2;
-+ } else {
-+ eg->screen_pos.x = 0;
-+ eg->screen_pos.y = 0;
-+ }
-+
-+ blank(backend);
-+ graphics_get_screen_rowscols(&screensz);
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 0);
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 1);
-+}
-+
-+static void
-+setxy(struct graphics_backend *backend, position_t *pos)
-+{
-+ position_t fpos;
-+
-+ fpos.x = pos->x;
-+ fpos.y = pos->y;
-+ graphics_set_font_position(&fpos);
-+}
-+
-+static void
-+eg_getxy(struct graphics_backend *backend, position_t *pos)
-+{
-+ graphics_get_font_position(pos);
-+}
-+
-+static void
-+draw_pixel(struct graphics_backend *backend, position_t *pos, pixel_t *pixel)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ grub_efi_graphics_output_pixel_t *eup = (grub_efi_graphics_output_pixel_t *)pixel;
-+
-+ bltbuf = alloc_bltbuf(1,1);
-+ if (!bltbuf)
-+ return;
-+
-+ grub_memmove(&bltbuf->pixbuf[0], eup, sizeof (*eup));
-+
-+ blt_to_screen_pos(backend->priv, bltbuf, pos);
-+
-+ grub_free(bltbuf);
-+}
-+
-+static pixel_t *
-+get_pixel_idx(struct graphics_backend *backend, int idx)
-+{
-+ static grub_efi_graphics_output_pixel_t pixel;
-+ struct eg *eg = backend->priv;
-+ if (idx < 0 || idx > MAX_PALETTE)
-+ return NULL;
-+ pixel.bgrr.red = eg->palette[idx].bgrr.red;
-+ pixel.bgrr.green = eg->palette[idx].bgrr.green;
-+ pixel.bgrr.blue = eg->palette[idx].bgrr.blue;
-+ return (pixel_t *)&pixel;
-+}
-+
-+static pixel_t *
-+get_pixel_rgb(struct graphics_backend *backend, int red, int green, int blue)
-+{
-+ static grub_efi_graphics_output_pixel_t pixel;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ return &pixel;
-+}
-+
-+static void
-+set_palette(struct graphics_backend *backend, int idx,
-+ int red, int green, int blue)
-+{
-+ grub_efi_graphics_output_pixel_t pixel;
-+ struct eg *eg = backend->priv;
-+
-+ if (idx > MAX_PALETTE)
-+ return;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ grub_memmove(&eg->palette[idx], &pixel, sizeof pixel);
-+}
-+
-+static void
-+blank(struct graphics_backend *backend)
-+{
-+ struct eg *eg = backend->priv;
-+ struct bltbuf *bltbuf;
-+ position_t pos = {0, 0};
-+ grub_efi_graphics_output_mode_information_t *info;
-+ grub_efi_uintn_t x, y, i, j;
-+ unsigned char r = 0 ,g = 0;
-+
-+ info = get_graphics_mode_info(eg);
-+ x = info->horizontal_resolution;
-+ y = info->vertical_resolution;
-+
-+ if (x == 0 || y == 0)
-+ return;
-+
-+ bltbuf = alloc_bltbuf(x, y);
-+ for (j = 0; j < y; j++) {
-+ if (debug_graphics && j % 16 == 0) {
-+ g = g == 0 ? 7 : 0;
-+ r = g == 0 ? 7 : 0;
-+ }
-+ for (i = 0; i < x; i++) {
-+ if (debug_graphics && i % 16 == 0) {
-+ g = g == 0 ? 7 : 0;
-+ r = g == 0 ? 7 : 0;
-+ }
-+ pos.x = i;
-+ pos.y = j;
-+ bltbuf_set_pixel_rgb(bltbuf, &pos, r * 16, g * 16, 0x0);
-+ }
-+ }
-+
-+ blt_to_screen(eg, bltbuf);
-+
-+ grub_free(bltbuf);
-+}
-+
-+
-+static void
-+draw_white_box(struct graphics_backend *backend)
-+{
-+ struct eg *eg = backend->priv;
-+ struct bltbuf *bltbuf;
-+ position_t pos = {0, 0}, bltpos = {0, 0}, bltsz = {100,100};
-+
-+ bltbuf = alloc_bltbuf(bltsz.x, bltsz.y);
-+ for (pos.y = 0; pos.y < bltsz.y; pos.y++) {
-+ for (pos.x = 0; pos.x < bltsz.x; pos.x++) {
-+ bltbuf_set_pixel_rgb(bltbuf, &pos, 0xff, 0xff, 0xff);
-+ }
-+ }
-+
-+ blt_pos_to_screen_pos(eg, bltbuf, &bltpos, &bltsz, &pos);
-+
-+#if 0
-+ Call_Service_10(eg->output_intf->blt, eg->output_intf, bltbuf->pixbuf,
-+ GRUB_EFI_BLT_BUFFER_TO_VIDEO, 0, 0, 100, 100, x, y, 0);
-+#endif
-+
-+ grub_free(bltbuf);
-+}
-+
-+static void
-+bltbuf_cp_bl(struct bltbuf *d, position_t dpos,
-+ struct bltbuf *s, position_t spos)
-+{
-+ grub_efi_graphics_output_pixel_t *dp, *sp;
-+
-+ const int xavail = MAX(0, s ? s->width - spos.x : 0);
-+ const int xtotal = MAX(0, d->width - dpos.x);
-+ const int xcp = MAX(0, MIN(xtotal, xavail));
-+ const int xcl = MAX(0, xtotal - xcp);
-+
-+ const int yavail = MAX(0, s ? s->height - spos.y : 0);
-+ const int ytotal = MAX(0, d->height - dpos.y);
-+ const int ycp = MAX(0, MIN(ytotal, yavail));
-+ const int ycl = MAX(0, ytotal - ycp);
-+
-+ int y, x;
-+
-+ for (y = 0; y < ytotal; y++) {
-+ dp = &d->pixbuf[(dpos.y + y) * d->width + dpos.x];
-+
-+ if (y < yavail) {
-+ sp = &s->pixbuf[(spos.y + y) * s->width + spos.x];
-+ memmove(dp, sp, xcp * sizeof (*dp));
-+ dp = &d->pixbuf[(dpos.y + y) * d->width + dpos.x + xcp];
-+ memset(dp, '\0', xcl * sizeof (*dp));
-+ } else {
-+ memset(dp, '\0', xtotal * sizeof (*dp));
-+ }
-+ }
-+}
-+
-+/* copy a region the size of bltbuf from the background into bltbuf,
-+ * starting at offset bgpos
-+ */
-+static void
-+bltbuf_draw_bg(struct graphics_backend *backend, struct bltbuf *bltbuf,
-+ position_t bgpos)
-+{
-+ struct eg *eg = backend->priv;
-+ position_t blpos = { 0, 0 };
-+
-+ bltbuf_cp_bl(bltbuf, blpos, eg->background, bgpos);
-+}
-+
-+static void
-+dbg_dump_palette(struct graphics_backend *backend)
-+{
-+ struct eg *eg;
-+ int i;
-+ if (!backend || !backend->priv)
-+ return;
-+ eg = backend->priv;
-+ if (!eg->palette)
-+ return;
-+}
-+
-+static int
-+is_shadow_pixel(position_t screensz, position_t textpos, position_t bitpos,
-+ position_t fontsz)
-+{
-+ unsigned short *text = graphics_get_text_buf();
-+ const unsigned char *glyph;
-+ position_t glyphpos = { textpos.x, textpos.y };
-+ position_t glyphbit = { bitpos.x, bitpos.y };
-+ unsigned short ch;
-+
-+ if (glyphbit.x == 0) {
-+ glyphbit.x = fontsz.x;
-+ glyphpos.x--;
-+ }
-+ if (glyphbit.y == 0) {
-+ glyphbit.y = fontsz.y;
-+ glyphpos.y--;
-+ }
-+ glyphbit.x--;
-+ glyphbit.y--;
-+
-+ if (glyphpos.x < 0 || glyphpos.y < 0)
-+ return 0;
-+
-+ ch = text[glyphpos.y * screensz.x + glyphpos.x] & 0xff;
-+ glyph = font8x16 + (ch << 4);
-+ return glyph[glyphbit.y] & (1 << ((fontsz.x-1) - glyphbit.x));
-+}
-+
-+static void
-+bltbuf_draw_character(struct graphics_backend *backend,
-+ struct bltbuf *bltbuf, /* the bltbuf to draw into */
-+ position_t target, /* the position in the bltbuf to draw to */
-+ position_t fontsz, /* the size of the font, in pixels */
-+ position_t charpos, /* the position of the character in the text
-+ screen buffer */
-+ position_t screensz, /* the size of the screen in characters */
-+ unsigned short ch /* the character to draw, plus flags */
-+ )
-+{
-+ struct eg *eg = backend->priv;
-+ position_t blpos;
-+ position_t glyphpos;
-+
-+ blpos.y = target.y;
-+ for (glyphpos.y = 0; glyphpos.y < fontsz.y; glyphpos.y++, blpos.y++) {
-+ blpos.x = target.x;
-+ for (glyphpos.x = 0; glyphpos.x < fontsz.x; glyphpos.x++, blpos.x++) {
-+ int invert = (ch & 0x0100) != 0;
-+ int set = (ch & 0x0200) != 0;
-+ const unsigned char *glyph = font8x16 + ((ch & 0xff) << 4);
-+ int bit = glyph[glyphpos.y] & (1 << ((fontsz.x-1) - glyphpos.x));
-+ int idx = -1;
-+
-+ if (!set) {
-+ if (invert)
-+ idx = bit ? 0 : 15;
-+ else if (bit)
-+ idx = 15;
-+
-+ if (idx == -1) {
-+ if (is_shadow_pixel(screensz, charpos, glyphpos, fontsz) ||
-+ !eg->background)
-+ idx = invert ? 15 : 0;
-+ }
-+ } else {
-+ idx = bit ? 0 : 15;
-+ }
-+
-+ if (idx != -1)
-+ bltbuf_set_pixel_idx(eg, bltbuf, &blpos, idx);
-+ }
-+ }
-+}
-+
-+static void
-+bltbuf_draw_text(struct graphics_backend *backend,
-+ struct bltbuf *bltbuf, /* the buffer to draw into */
-+ position_t screensz, /* the size of the screen in characters */
-+ position_t fontsz, /* the size of the font in pixels */
-+ position_t txtpos, /* the position of the text on the screen
-+ (in characters) */
-+ position_t txtsz /* the size of the block to fill in
-+ (in characters) */
-+ )
-+{
-+ struct eg *eg = backend->priv;
-+ unsigned short *text = graphics_get_text_buf();
-+ position_t charpos;
-+
-+ for (charpos.y = txtpos.y; charpos.y < txtpos.y + txtsz.y; charpos.y++) {
-+ for (charpos.x = txtpos.x; charpos.x < txtpos.x + txtsz.x; charpos.x++){
-+ int offset = charpos.y * screensz.x + charpos.x;
-+ position_t blpos = { (charpos.x-txtpos.x)*fontsz.x,
-+ (charpos.y-txtpos.y)*fontsz.y };
-+
-+ bltbuf_draw_character(backend, bltbuf, blpos, fontsz, charpos,
-+ screensz, text[offset]);
-+ }
-+ }
-+}
-+
-+static void
-+clbl(struct graphics_backend *backend, int col, int row, int width, int height,
-+ int draw_text)
-+{
-+ struct eg *eg = backend->priv;
-+ struct xpm *xpm;
-+
-+ struct bltbuf *bltbuf;
-+ position_t fontsz, blpos, blsz, screensz;
-+ unsigned short *text;
-+
-+// blank(backend);
-+//
-+ xpm = graphics_get_splash_xpm();
-+ if (xpm && !eg->background)
-+ eg->background = xpm_to_bltbuf(xpm);
-+
-+ graphics_get_screen_rowscols(&screensz);
-+ width = MIN(width, screensz.x - col);
-+ height = MIN(height, screensz.y - row);
-+ graphics_get_font_size(&fontsz);
-+
-+ blsz.x = width * fontsz.x;
-+ blsz.y = height * fontsz.y;
-+
-+ bltbuf = alloc_bltbuf(blsz.x, blsz.y);
-+ if (!bltbuf)
-+ return;
-+
-+ blsz.x = col * fontsz.x;
-+ blsz.y = row * fontsz.y;
-+
-+ text = graphics_get_text_buf();
-+ bltbuf_draw_bg(backend, bltbuf, blsz);
-+
-+ if (draw_text) {
-+ blsz.x = width;
-+ blsz.y = height;
-+ blpos.x = col;
-+ blpos.y = row;
-+
-+ bltbuf_draw_text(backend, bltbuf, screensz, fontsz, blpos, blsz);
-+ }
-+
-+ blpos.x = col * fontsz.x;
-+ blpos.y = row * fontsz.y;
-+
-+ blt_to_screen_pos(eg, bltbuf, &blpos);
-+}
-+
-+static void
-+setup_cga_palette(struct eg *eg)
-+{
-+ rgb_to_pixel(0x00,0x00,0x00, &eg->palette[0]); // 0 Black
-+ rgb_to_pixel(0x7f,0x00,0x00, &eg->palette[1]); // 1 Dark Red
-+ rgb_to_pixel(0x00,0x7f,0x00, &eg->palette[2]); // 2 Dark Green
-+ rgb_to_pixel(0x7f,0x7f,0x00, &eg->palette[3]); // 3 Dark Yellow
-+ rgb_to_pixel(0x00,0x00,0x7f, &eg->palette[4]); // 4 Dark Blue
-+ rgb_to_pixel(0x7f,0x00,0x7f, &eg->palette[5]); // 5 Dark Magenta
-+ rgb_to_pixel(0x00,0x7f,0x7f, &eg->palette[6]); // 6 Dark Cyan
-+ rgb_to_pixel(0xc0,0xc0,0xc0, &eg->palette[7]); // 7 Light Grey
-+ rgb_to_pixel(0x7f,0x7f,0x7f, &eg->palette[8]); // 8 Dark Grey
-+ rgb_to_pixel(0xff,0x00,0x00, &eg->palette[9]); // 9 Red
-+ rgb_to_pixel(0x00,0xff,0x00, &eg->palette[10]); // 10 Green
-+ rgb_to_pixel(0xff,0xff,0x00, &eg->palette[11]); // 11 Yellow
-+ rgb_to_pixel(0x00,0x00,0xff, &eg->palette[12]); // 12 Blue
-+ rgb_to_pixel(0xff,0x00,0xff, &eg->palette[13]); // 13 Magenta
-+ rgb_to_pixel(0x00,0xff,0xff, &eg->palette[14]); // 14 Cyan
-+ rgb_to_pixel(0xff,0xff,0xff, &eg->palette[15]); // 15 White
-+ rgb_to_pixel(0xff,0xff,0xff, &eg->palette[16]); // 16 Also white ;)
-+}
-+
-+static grub_efi_status_t
-+set_video_mode(struct eg *eg, int mode)
-+{
-+ grub_efi_status_t efi_status;
-+ efi_status = Call_Service_2(eg->output_intf->set_mode, eg->output_intf, mode);
-+ return efi_status;
-+}
-+
-+static void disable(struct graphics_backend *backend)
-+{
-+ struct eg *eg;
-+
-+ if (!backend)
-+ return;
-+
-+ eg = backend->priv;
-+ if (!eg || eg->current_mode != GRAPHICS)
-+ return;
-+
-+#if 0
-+ blank(backend);
-+
-+ set_video_mode(eg, eg->text_mode);
-+ grub_efi_set_text_mode(1);
-+#endif
-+ eg->current_mode = TEXT;
-+}
-+
-+static int
-+fill_pixel_info (grub_pixel_info_t *pixel_info,
-+ grub_efi_graphics_output_mode_information_t *mode_info)
-+{
-+ if (mode_info->pixel_format == GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR)
-+ {
-+ pixel_info->depth_bits = 32;
-+ pixel_info->depth_bytes = 4;
-+ pixel_info->red_size = 8;
-+ pixel_info->red_pos = 0;
-+ pixel_info->green_size = 8;
-+ pixel_info->green_pos = 8;
-+ pixel_info->blue_size = 8;
-+ pixel_info->blue_pos = 16;
-+ pixel_info->reserved_size = 8;
-+ pixel_info->reserved_pos = 24;
-+ pixel_info->line_length = mode_info->pixels_per_scan_line * 4;
-+ }
-+ else if (mode_info->pixel_format == GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR)
-+ {
-+ pixel_info->depth_bits = 32;
-+ pixel_info->depth_bytes = 4;
-+ pixel_info->red_size = 8;
-+ pixel_info->red_pos = 16;
-+ pixel_info->green_size = 8;
-+ pixel_info->green_pos = 8;
-+ pixel_info->blue_size = 8;
-+ pixel_info->blue_pos = 0;
-+ pixel_info->reserved_size = 8;
-+ pixel_info->reserved_pos = 24;
-+ pixel_info->line_length = mode_info->pixels_per_scan_line * 4;
-+ }
-+ else if (mode_info->pixel_format == GRUB_EFI_PIXEL_BIT_MASK)
-+ {
-+ find_bits (mode_info->pixel_information.red_mask,
-+ &pixel_info->red_pos, &pixel_info->red_size);
-+ find_bits (mode_info->pixel_information.green_mask,
-+ &pixel_info->green_pos, &pixel_info->green_size);
-+ find_bits (mode_info->pixel_information.blue_mask,
-+ &pixel_info->blue_pos, &pixel_info->blue_size);
-+ find_bits (mode_info->pixel_information.reserved_mask,
-+ &pixel_info->reserved_pos, &pixel_info->reserved_size);
-+ pixel_info->depth_bits = pixel_info->red_size + pixel_info->green_size +
-+ pixel_info->blue_size + pixel_info->reserved_size;
-+ pixel_info->depth_bytes = (pixel_info->depth_bits + 7) / 8;
-+ pixel_info->line_length = mode_info->pixels_per_scan_line *
-+ pixel_info->depth_bytes;
-+ }
-+ else
-+ return 0;
-+ return 1;
-+}
-+
-+/* 1 = prefer a
-+ * 0 = prefer neither
-+ * -1 = prefer b
-+ */
-+static int
-+modecmp_helper(struct eg *eg, struct video_mode *amode, struct video_mode *bmode)
-+{
-+ grub_efi_graphics_output_mode_information_t *a = amode->info;
-+ grub_efi_graphics_output_mode_information_t *b = bmode->info;
-+
-+ if (a != NULL && b == NULL)
-+ return 1;
-+ if (a == NULL && b == NULL)
-+ return 0;
-+ if (a == NULL && b != NULL)
-+ return -1;
-+
-+#if 0
-+ if (amode->number == eg->graphics_mode && bmode->number != eg->graphics_mode)
-+ return 1;
-+ if (amode->number == eg->graphics_mode && bmode->number == eg->graphics_mode)
-+ return 0;
-+ if (amode->number != eg->graphics_mode && bmode->number == eg->graphics_mode)
-+ return -1;
-+#endif
-+
-+
-+ /* kernel doesn't deal with blt only modes, so prefer against them. */
-+ if (a->pixel_format != GRUB_EFI_PIXEL_BLT_ONLY &&
-+ b->pixel_format == GRUB_EFI_PIXEL_BLT_ONLY)
-+ return 1;
-+ if (b->pixel_format != GRUB_EFI_PIXEL_BLT_ONLY &&
-+ a->pixel_format == GRUB_EFI_PIXEL_BLT_ONLY)
-+ return -1;
-+
-+ /* XXX PJFIX there's something wrong with what we're passing to the
-+ * kernel for stride in the bgrr/rgbr modes, and I haven't figured out
-+ * just what yet, so for now, prefer bitmask modes.
-+ */
-+ if (a->pixel_format == GRUB_EFI_PIXEL_BIT_MASK &&
-+ b->pixel_format != GRUB_EFI_PIXEL_BIT_MASK)
-+ return 1;
-+ if (a->pixel_format != GRUB_EFI_PIXEL_BIT_MASK &&
-+ b->pixel_format == GRUB_EFI_PIXEL_BIT_MASK)
-+ return -1;
-+
-+ if (a->pixel_format == GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR &&
-+ b->pixel_format != GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR)
-+ return 1;
-+ if (a->pixel_format != GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR &&
-+ b->pixel_format == GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR)
-+ return -1;
-+
-+ if (a->pixel_format == GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR &&
-+ b->pixel_format != GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR)
-+ return 1;
-+ if (a->pixel_format != GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR &&
-+ b->pixel_format == GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR)
-+ return -1;
-+
-+ if (a->horizontal_resolution > b->horizontal_resolution &&
-+ a->vertical_resolution > b->vertical_resolution)
-+ return 1;
-+ if (a->horizontal_resolution < b->horizontal_resolution &&
-+ a->vertical_resolution < b->vertical_resolution)
-+ return -1;
-+ return 0;
-+}
-+
-+static int
-+modecmp(struct eg *eg, struct video_mode *amode, struct video_mode *bmode)
-+{
-+ int rc;
-+#if 0
-+ grub_efi_graphics_output_mode_information_t *a = amode->info;
-+ grub_efi_graphics_output_mode_information_t *b = bmode->info;
-+#endif
-+ rc = modecmp_helper(eg, amode, bmode);
-+#if 0
-+ grub_printf("comparing nodes:\n");
-+ print_mode_info(amode);
-+ print_mode_info(bmode);
-+ if (rc > 0)
-+ grub_printf("result: a > b\n");
-+ else if (rc < 0)
-+ grub_printf("result: a < b\n");
-+ else
-+ grub_printf("result: a == b\n");
-+
-+ //dbgdelay(__FILE__, __LINE__);
-+#endif
-+ return rc;
-+}
-+
-+static void
-+modeswap(struct video_mode *amode, struct video_mode *bmode)
-+{
-+ struct video_mode tmp;
-+
-+ memcpy(&tmp, amode, sizeof (tmp));
-+ memcpy(amode, bmode, sizeof (tmp));
-+ memcpy(bmode, &tmp, sizeof(tmp));
-+}
-+
-+static void
-+sort_modes(struct eg *eg, int p, int r)
-+{
-+ struct video_mode **modes = eg->modes;
-+
-+ int i, j;
-+ for (i = 0; i < eg->max_mode; i++) {
-+ for (j = i + 1; j < eg->max_mode; j++) {
-+ if (modecmp(eg, modes[j], modes[i]) < 0)
-+ modeswap(modes[j], modes[i]);
-+ }
-+ }
-+}
-+
-+static int
-+try_enable(struct graphics_backend *backend)
-+{
-+ struct eg *eg = backend->priv;
-+ grub_efi_status_t efi_status = GRUB_EFI_UNSUPPORTED;
-+ int i;
-+
-+ if (eg->text_mode == 0xffffffff) {
-+ grub_efi_set_text_mode(1);
-+ eg->text_mode = eg->output_intf->mode->mode;
-+ }
-+
-+ if (eg->graphics_mode == 0xffffffff) {
-+ grub_efi_graphics_output_mode_information_t *info;
-+
-+ if (!graphics_alloc_text_buf())
-+ return 0;
-+
-+ grub_efi_set_text_mode(0);
-+ eg->graphics_mode = eg->output_intf->mode->mode;
-+ grub_efi_set_text_mode(1);
-+#if 0
-+ dprintf("graphics mode is %d\n", eg->graphics_mode);
-+ /* this is okay here because we haven't sorted yet.*/
-+ print_mode_info(eg->modes[eg->graphics_mode]);
-+ dprintf("text mode is %d\n", eg->text_mode);
-+ print_mode_info(eg->modes[eg->text_mode]);
-+#endif
-+
-+ sort_modes(eg, 0, eg->max_mode-1);
-+
-+#if 0
-+ for (i = eg->max_mode - 1; i >= 0; i--)
-+ print_mode_info(eg->modes[i]);
-+ dbgdelay(__FILE__, __LINE__);
-+#endif
-+
-+ efi_status = GRUB_EFI_UNSUPPORTED;
-+
-+ for (i = eg->max_mode - 1; i >= 0; i--) {
-+ if (!eg->modes[i])
-+ continue;
-+
-+ info = eg->modes[i]->info;
-+
-+#if 0
-+ if (info->pixel_format != GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR &&
-+ info->pixel_format != GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR &&
-+ info->pixel_format != GRUB_EFI_PIXEL_BIT_MASK) {
-+ continue;
-+ }
-+#endif
-+
-+ grub_efi_set_text_mode(0);
-+ efi_status = set_video_mode(eg, eg->modes[i]->number);
-+ if (efi_status == GRUB_EFI_SUCCESS) {
-+#if 0
-+ grub_efi_set_text_mode(1);
-+ dprintf("switched to mode %d successfully\n",
-+ eg->modes[i]->number);
-+ dbgdelay(__FILE__,__LINE__);
-+ grub_efi_set_text_mode(0);
-+#endif
-+ eg->graphics_mode = eg->modes[i]->number;
-+ fill_pixel_info(&eg->pixel_info, info);
-+ break;
-+ } else {
-+#if 0
-+ set_video_mode(eg, eg->text_mode);
-+ grub_efi_set_text_mode(1);
-+ dprintf("return code was %d\n", efi_status);
-+#endif
-+ }
-+ }
-+ if (efi_status != GRUB_EFI_SUCCESS) {
-+#if 1
-+ grub_efi_set_text_mode(1);
-+ set_video_mode(eg, eg->text_mode);
-+#endif
-+ return 0;
-+ }
-+
-+ }
-+
-+ eg->current_mode = GRAPHICS;
-+ return 1;
-+}
-+
-+static int
-+enable(struct graphics_backend *backend)
-+{
-+ struct eg *eg = backend->priv;
-+ int i;
-+
-+ if (eg) {
-+ if (eg->current_mode == GRAPHICS) {
-+ return 1;
-+ }
-+ } else {
-+ grub_efi_status_t efi_status;
-+ grub_efi_handle_t *handle, *handles;
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_pci_io_t *pci_proto;
-+
-+ if (!(eg = grub_malloc(sizeof (*eg))))
-+ return 0;
-+
-+ grub_memset(eg, '\0', sizeof (*eg));
-+
-+ eg->backend = backend;
-+ eg->current_mode = TEXT;
-+
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL,
-+ &graphics_output_guid,
-+ NULL, &num_handles);
-+
-+ if (!num_handles || !handles)
-+ goto fail;
-+
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ pci_proto = grub_efi_open_protocol (*handle, &pci_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (!pci_proto)
-+ continue;
-+
-+ eg->output_intf = grub_efi_open_protocol (*handle,
-+ &graphics_output_guid, GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (eg->output_intf)
-+ {
-+ grub_efi_setup_gfx_pci(*handle);
-+ break;
-+ }
-+ }
-+
-+ grub_free(handles);
-+
-+ if (!eg->output_intf)
-+ eg->output_intf = grub_efi_locate_protocol(&graphics_output_guid, NULL);
-+
-+ if (!eg->output_intf)
-+ goto fail;
-+
-+ eg->text_mode = eg->graphics_mode = 0xffffffff;
-+
-+ eg->max_mode = eg->output_intf->mode->max_mode;
-+ eg->modes = grub_malloc(eg->max_mode * sizeof (void *));
-+ if (!eg->modes)
-+ goto fail;
-+ memset(eg->modes, '\0', eg->max_mode * sizeof (void *));
-+
-+ for (i = 0; i < eg->max_mode; i++) {
-+ eg->modes[i] = grub_malloc(sizeof *(eg->modes[0]));
-+ if (!eg->modes[i])
-+ goto fail;
-+ memset(eg->modes[i], '\0', sizeof *(eg->modes[0]));
-+ eg->modes[i]->number = i;
-+
-+ efi_status = Call_Service_4(eg->output_intf->query_mode,
-+ eg->output_intf, i, &eg->modes[i]->size,
-+ &eg->modes[i]->info);
-+ if (efi_status == GRUB_EFI_NOT_STARTED) {
-+ /* The firmware didn't turn on GRAPHICS_OUTPUT_PROTOCOL, so
-+ * try to do so ourselves. Thanks, Intel. */
-+ set_video_mode(eg, eg->output_intf->mode->mode);
-+ efi_status = Call_Service_4(eg->output_intf->query_mode,
-+ eg->output_intf, i, &eg->modes[i]->size,
-+ &eg->modes[i]->info);
-+ }
-+ if (efi_status != GRUB_EFI_SUCCESS) {
-+ grub_free(eg->modes[i]);
-+ eg->modes[i] = NULL;
-+ //eg->max_mode = i;
-+ break;
-+ }
-+ }
-+
-+ backend->priv = eg;
-+ setup_cga_palette(eg);
-+ for (i = 0; i < n_cga_colors; i++) {
-+ eg->palette[i].bgrr.red = cga_colors[i].bgrr.red;
-+ eg->palette[i].bgrr.green = cga_colors[i].bgrr.green;
-+ eg->palette[i].bgrr.blue = cga_colors[i].bgrr.blue;
-+ }
-+ }
-+
-+ if (try_enable(backend)) {
-+ reset_screen_geometry(backend);
-+ return 1;
-+ }
-+
-+fail:
-+ backend->priv = NULL;
-+ if (eg->modes) {
-+ for (i = 0; i < eg->max_mode; i++) {
-+ if (eg->modes[i])
-+ grub_free(eg->modes[i]);
-+ }
-+ grub_free(eg->modes);
-+ }
-+ grub_free(eg);
-+ return 0;
-+}
-+
-+struct graphics_backend eg_backend = {
-+ .name = "eg",
-+ .enable = enable,
-+ .disable = disable,
-+ .set_kernel_params = set_kernel_params,
-+ .clbl = clbl,
-+ .set_palette = set_palette,
-+ .get_pixel_idx = get_pixel_idx,
-+ .get_pixel_rgb = get_pixel_rgb,
-+ .draw_pixel = draw_pixel,
-+ .reset_screen_geometry = reset_screen_geometry,
-+ .get_screen_size = get_screen_size,
-+ .getxy = eg_getxy,
-+ .setxy = setxy,
-+ .gotoxy = NULL,
-+ .cursor = cursor,
-+};
-+
-+#endif /* SUPPORT_GRAPHICS */
-diff --git a/efi/efimain.c b/efi/efimain.c
-new file mode 100644
-index 0000000..e1a1e66
---- /dev/null
-+++ b/efi/efimain.c
-@@ -0,0 +1,129 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2007 Intel Corp.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-+ * MA 02110-1301, USA.
-+ */
-+
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/misc.h>
-+#include <grub/misc.h>
-+
-+#include <shared.h>
-+#include <efistubs.h>
-+
-+#include "pxe.h"
-+
-+#define GRUB_SCRATCH_MEM_PAGES (GRUB_SCRATCH_MEM_SIZE >> 12)
-+
-+/* Emulation requirements. */
-+void *grub_scratch_mem = NULL;
-+
-+#define LOW_STACK_SIZE 0x100000
-+#define LOW_STACK_PAGES (LOW_STACK_SIZE >> 12)
-+static void *low_stack, *real_stack;
-+
-+extern int grub_test_pxe(grub_efi_loaded_image_t *loaded_image);
-+
-+static void
-+real_main (void)
-+{
-+ grub_efi_loaded_image_t *loaded_image;
-+ char *path_name = NULL;
-+
-+ loaded_image = grub_efi_get_loaded_image (grub_efi_image_handle);
-+
-+ path_name = grub_efi_pxe_get_config_path(loaded_image);
-+
-+ if (path_name) {
-+ network_ready = 1;
-+
-+ grub_set_config_file (path_name);
-+ grub_free (path_name);
-+ } else {
-+ grub_get_drive_partition_from_bdev_handle (loaded_image->device_handle,
-+ &boot_drive,
-+ &install_partition);
-+ path_name = grub_efi_file_path_to_path_name (loaded_image->file_path);
-+
-+ if (path_name)
-+ {
-+ grub_set_config_file (path_name);
-+ grub_free (path_name);
-+ }
-+
-+ grub_load_saved_default (loaded_image->device_handle);
-+ }
-+
-+ init_bios_info ();
-+ while (console_getkey() < 0)
-+ grub_efi_stall(1000);
-+}
-+
-+grub_efi_status_t
-+efi_main (grub_efi_handle_t image_handle, grub_efi_system_table_t *sys_tab)
-+{
-+ grub_efi_image_handle = image_handle;
-+ grub_efi_system_table = sys_tab;
-+ grub_efi_init ();
-+
-+ grub_scratch_mem = grub_efi_allocate_pages (0, GRUB_SCRATCH_MEM_PAGES);
-+ if (! grub_scratch_mem)
-+ {
-+ grub_printf ("Failed to allocate scratch mem!\n");
-+ return GRUB_EFI_OUT_OF_RESOURCES;
-+ }
-+
-+ /* If current stack reside in memory region > 2G, switch stack to a
-+ memory region < 2G */
-+ if ((unsigned long)&image_handle >= 0x80000000UL)
-+ {
-+ low_stack = grub_efi_allocate_pages (0, LOW_STACK_PAGES);
-+ if (! low_stack)
-+ {
-+ grub_printf("Failed to allocate low memory stack!\n");
-+ return GRUB_EFI_OUT_OF_RESOURCES;
-+ }
-+
-+#ifdef __x86_64__
-+ asm volatile ("movq %%rsp, %0\n\tmovq %1, %%rsp\n"
-+ : "=&r" (real_stack) : "r" (low_stack+LOW_STACK_SIZE));
-+#else
-+ asm volatile ("movl %%esp, %0\n\tmovl %1, %%esp\n"
-+ : "=&r" (real_stack) : "r" (low_stack+LOW_STACK_SIZE));
-+#endif
-+ }
-+
-+ real_main ();
-+
-+ if (real_stack) {
-+#ifdef __x86_64__
-+ asm volatile ("movq %0, %%rsp\n" : : "r" (real_stack));
-+#else
-+ asm volatile ("movl %0, %%esp\n" : : "r" (real_stack));
-+#endif
-+
-+ grub_efi_free_pages ((grub_efi_physical_address_t)(unsigned long) low_stack,
-+ LOW_STACK_PAGES);
-+ }
-+
-+ grub_efi_free_pages ((grub_efi_physical_address_t)(unsigned long)grub_scratch_mem,
-+ GRUB_SCRATCH_MEM_PAGES);
-+ grub_efi_fini ();
-+
-+ return GRUB_EFI_SUCCESS;
-+}
-diff --git a/efi/efimisc.c b/efi/efimisc.c
-new file mode 100644
-index 0000000..480ba25
---- /dev/null
-+++ b/efi/efimisc.c
-@@ -0,0 +1,665 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-+ * MA 02110-1301, USA.
-+ */
-+
-+#include <config.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/time.h>
-+#include <grub/efi/misc.h>
-+#include <grub/misc.h>
-+
-+#include <shared.h>
-+
-+unsigned long install_partition = 0x20000;
-+unsigned long boot_drive = 0x80;
-+int saved_entryno = 0;
-+char version_string[] = VERSION;
-+char config_file[128] = "/boot/grub/menu.lst";
-+unsigned short io_map[IO_MAP_SIZE];
-+struct apm_info apm_bios_info;
-+/* The key map. */
-+unsigned short bios_key_map[KEY_MAP_SIZE + 1];
-+unsigned short ascii_key_map[KEY_MAP_SIZE + 1];
-+
-+void
-+grub_efi_init (void)
-+{
-+ /* First of all, initialize the console so that GRUB can display
-+ messages. */
-+ grub_console_init ();
-+ /* Initialize the memory management system. */
-+ grub_efi_mm_init ();
-+ grub_efidisk_init ();
-+}
-+
-+void
-+grub_efi_fini (void)
-+{
-+ grub_efidisk_fini ();
-+ grub_efi_mm_fini ();
-+ grub_console_fini ();
-+}
-+
-+void *
-+grub_malloc (grub_size_t size)
-+{
-+ return grub_efi_allocate_pool (size);
-+}
-+
-+void
-+grub_free (void *p)
-+{
-+ grub_efi_free_pool (p);
-+}
-+
-+char *
-+grub_stpcpy (char *dest, const char *src)
-+{
-+ char *d = dest;
-+ const char *s = src;
-+
-+ do
-+ *d++ = *s;
-+ while (*s++ != '\0');
-+
-+ return d - 1;
-+}
-+
-+void
-+grub_fatal (const char *fmt, ...)
-+{
-+ va_list ap;
-+
-+ va_start (ap, fmt);
-+ grub_vsprintf (NULL, fmt, ap);
-+ va_end (ap);
-+
-+ grub_exit ();
-+}
-+
-+void
-+grub_real_dprintf (const char *file, const int line, const char *condition,
-+ const char *fmt, ...)
-+{
-+ va_list args;
-+
-+ if (! debug)
-+ return;
-+
-+ grub_printf ("%s:%d: ", file, line);
-+ va_start (args, fmt);
-+ grub_vsprintf (0, fmt, args);
-+ va_end (args);
-+}
-+
-+grub_size_t
-+grub_utf8_char_len(grub_uint8_t ch)
-+{
-+ return ((0xe5000000 >> ((ch >> 3) & 0x1e)) & 3) + 1;
-+}
-+
-+#define UTF8_SHIFT_AND_MASK(unicode, byte) (unicode)<<=6; (unicode) |= (0x3f & (byte))
-+
-+/* convert utf8 to utf32 */
-+grub_uint32_t
-+grub_utf8_to_utf32(const grub_uint8_t *src, grub_size_t length)
-+{
-+ grub_uint32_t unicode;
-+
-+ switch (length)
-+ {
-+ case 1:
-+ return src[0];
-+ case 2:
-+ unicode = src[0] & 0x1f;
-+ UTF8_SHIFT_AND_MASK(unicode, src[1]);
-+ return unicode;
-+ case 3:
-+ unicode = src[0] & 0x0f;
-+ UTF8_SHIFT_AND_MASK(unicode, src[1]);
-+ UTF8_SHIFT_AND_MASK(unicode, src[2]);
-+ return unicode;
-+ case 4:
-+ unicode = src[0] & 0x07;
-+ UTF8_SHIFT_AND_MASK(unicode, src[1]);
-+ UTF8_SHIFT_AND_MASK(unicode, src[2]);
-+ UTF8_SHIFT_AND_MASK(unicode, src[3]);
-+ return unicode;
-+ default:
-+ return 0xffff;
-+ }
-+}
-+
-+/* convert utf8 to utf16 */
-+void
-+grub_utf8_to_utf16(const grub_uint8_t *src, grub_size_t srclen,
-+ grub_uint16_t *dst, grub_size_t dstlen)
-+{
-+ const grub_uint8_t *end = src + srclen;
-+ grub_efi_char16_t *dstend = dst + dstlen;
-+
-+ while (src < end && dst < dstend)
-+ {
-+ grub_size_t len = grub_utf8_char_len(*src);
-+ /* get the utf32 codepoint */
-+ grub_uint32_t codepoint = grub_utf8_to_utf32(src, len);
-+
-+ /* convert that codepoint to utf16 codepoints */
-+ if (codepoint <= 0xffff)
-+ {
-+ /* it's a single utf16 character */
-+ *dst++ = (grub_efi_char16_t) codepoint;
-+ }
-+ else
-+ {
-+ /* it's multiple utf16 characters, with surrogate pairs */
-+ codepoint = codepoint - 0x10000;
-+ *dst++ = (grub_efi_char16_t) ((codepoint >> 10) + 0xd800);
-+ *dst++ = (grub_efi_char16_t) ((codepoint & 0x3ff) + 0xdc00);
-+ }
-+
-+ src += len;
-+ }
-+
-+ if (dst < dstend)
-+ *dst = 0;
-+}
-+
-+/* Convert UTF-16 to UTF-8. */
-+grub_uint8_t *
-+grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
-+ grub_size_t size)
-+{
-+ grub_uint32_t code_high = 0;
-+
-+ while (size--)
-+ {
-+ grub_uint32_t code = *src++;
-+
-+ if (code_high)
-+ {
-+ if (code >= 0xDC00 && code <= 0xDFFF)
-+ {
-+ /* Surrogate pair. */
-+ code = ((code_high - 0xD800) << 12) + (code - 0xDC00) + 0x10000;
-+
-+ *dest++ = (code >> 18) | 0xF0;
-+ *dest++ = ((code >> 12) & 0x3F) | 0x80;
-+ *dest++ = ((code >> 6) & 0x3F) | 0x80;
-+ *dest++ = (code & 0x3F) | 0x80;
-+ }
-+ else
-+ {
-+ /* Error... */
-+ *dest++ = '?';
-+ }
-+
-+ code_high = 0;
-+ }
-+ else
-+ {
-+ if (code <= 0x007F)
-+ *dest++ = code;
-+ else if (code <= 0x07FF)
-+ {
-+ *dest++ = (code >> 6) | 0xC0;
-+ *dest++ = (code & 0x3F) | 0x80;
-+ }
-+ else if (code >= 0xD800 && code <= 0xDBFF)
-+ {
-+ code_high = code;
-+ continue;
-+ }
-+ else if (code >= 0xDC00 && code <= 0xDFFF)
-+ {
-+ /* Error... */
-+ *dest++ = '?';
-+ }
-+ else
-+ {
-+ *dest++ = (code >> 16) | 0xE0;
-+ *dest++ = ((code >> 12) & 0x3F) | 0x80;
-+ *dest++ = (code & 0x3F) | 0x80;
-+ }
-+ }
-+ }
-+
-+ return dest;
-+}
-+
-+/* low-level timing info */
-+int
-+getrtsecs (void)
-+{
-+ return grub_get_rtc() / GRUB_TICKS_PER_SECOND;
-+}
-+
-+void
-+grub_reboot (void)
-+{
-+ grub_efi_runtime_services_t *r;
-+
-+ r = grub_efi_system_table->runtime_services;
-+ Call_Service_4 (r->reset_system, GRUB_EFI_RESET_COLD,
-+ GRUB_EFI_SUCCESS, 0, NULL);
-+ for (;;);
-+}
-+
-+void
-+grub_halt (int no_apm)
-+{
-+ grub_efi_runtime_services_t *r;
-+
-+ r = grub_efi_system_table->runtime_services;
-+ Call_Service_4 (r->reset_system, GRUB_EFI_RESET_SHUTDOWN,
-+ GRUB_EFI_SUCCESS, 0, NULL);
-+ for (;;);
-+}
-+
-+void
-+stop (void)
-+{
-+ grub_exit ();
-+}
-+
-+/* booting a multiboot executable */
-+void
-+multi_boot (int start, int mb_info)
-+{
-+ stop ();
-+}
-+
-+/* sets it to linear or wired A20 operation */
-+void
-+gateA20 (int linear)
-+{
-+}
-+
-+/* Set up the int15 handler. */
-+void
-+set_int15_handler (void)
-+{
-+}
-+
-+/* Restore the original int15 handler. */
-+void
-+unset_int15_handler (void)
-+{
-+}
-+
-+/* Copy MAP to the drive map and set up the int13 handler. */
-+void
-+set_int13_handler (unsigned short *map)
-+{
-+}
-+
-+/* Get the ROM configuration table. */
-+unsigned long
-+get_rom_config_table (void)
-+{
-+ return 0;
-+}
-+
-+/* Get APM BIOS information. */
-+void
-+get_apm_info (void)
-+{
-+ /* Nothing to do in the simulator. */
-+}
-+
-+void
-+stop_floppy (void)
-+{
-+ /* NOTUSED */
-+}
-+
-+char *
-+grub_strndup (const char *s, int n)
-+{
-+ int l = grub_strnlen(s, n);
-+ char *new = grub_malloc(l + 1);
-+
-+ if (new == NULL)
-+ return NULL;
-+
-+ new[l] = '\0';
-+ return grub_strncpy(new, s, l);
-+}
-+
-+int
-+safe_parse_maxulong (char **str_ptr, unsigned long *myulong_ptr)
-+{
-+ char *ptr = *str_ptr;
-+ unsigned long myulong = 0;
-+ unsigned int mult = 10, found = 0;
-+
-+ /*
-+ * Is this a hex number?
-+ */
-+ if (*ptr == '0' && tolower (*(ptr + 1)) == 'x')
-+ {
-+ ptr += 2;
-+ mult = 16;
-+ }
-+
-+ while (1)
-+ {
-+ /* A bit tricky. This below makes use of the equivalence:
-+ (A >= B && A <= C) <=> ((A - B) <= (C - B))
-+ when C > B and A is unsigned. */
-+ unsigned int digit;
-+
-+ digit = tolower (*ptr) - '0';
-+ if (digit > 9)
-+ {
-+ digit -= 'a' - '0';
-+ if (mult == 10 || digit > 5)
-+ break;
-+ digit += 10;
-+ }
-+
-+ found = 1;
-+ if (myulong > ((~0UL - digit) / mult))
-+ {
-+ errnum = ERR_NUMBER_OVERFLOW;
-+ return 0;
-+ }
-+ myulong = (myulong * mult) + digit;
-+ ptr++;
-+ }
-+
-+ if (!found)
-+ {
-+ errnum = ERR_NUMBER_PARSING;
-+ return 0;
-+ }
-+
-+ *str_ptr = ptr;
-+ *myulong_ptr = myulong;
-+
-+ return 1;
-+}
-+
-+int
-+currticks (void)
-+{
-+ return grub_get_rtc ();
-+}
-+
-+static char *
-+fix_path_name (char *path_name)
-+{
-+ char *p1, *p2;
-+
-+ p1 = path_name;
-+ p2 = p1 + 1;
-+ if (*p1 == '\\')
-+ *p1 = '/';
-+ while (*p1)
-+ {
-+ switch (*p2)
-+ {
-+ case '\0':
-+ *++p1 = *p2;
-+ break;
-+ case '.':
-+ if (*p1 == '/' && *(p2+1) == '\\')
-+ p2 += 2;
-+ else
-+ *++p1=*p2++;
-+ break;
-+ case '\\':
-+ if (*p1 == '/')
-+ p2++;
-+ else
-+ *++p1 = '/';
-+ break;
-+ default:
-+ *++p1=*p2++;
-+ break;
-+ }
-+ }
-+ return path_name;
-+}
-+
-+char *
-+grub_efi_file_path_to_path_name (grub_efi_device_path_t *file_path)
-+{
-+ char *str;
-+ grub_efi_uint32_t str_len = 16;
-+ grub_efi_uint32_t str_pos = 0;
-+
-+ str = grub_malloc (str_len);
-+ if (! str)
-+ return NULL;
-+ str[0] = '\0';
-+
-+ while (1)
-+ {
-+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (file_path);
-+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (file_path);
-+ grub_efi_uint16_t len = GRUB_EFI_DEVICE_PATH_LENGTH (file_path);
-+
-+ switch (type)
-+ {
-+ case GRUB_EFI_MEDIA_DEVICE_PATH_TYPE:
-+ switch (subtype)
-+ {
-+ case GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE:
-+ {
-+ grub_efi_file_path_device_path_t *fp;
-+ grub_uint8_t buf[(len - 4) * 2 + 2];
-+ grub_uint32_t path_name_len;
-+ char *tmp_str;
-+
-+ fp = (grub_efi_file_path_device_path_t *) file_path;
-+ *grub_utf16_to_utf8 (buf, fp->path_name,
-+ (len - 4) / sizeof (grub_efi_char16_t))
-+ = '\0';
-+ path_name_len = strlen ((char *)buf) + 1;
-+ if ((str_len - str_pos) <= path_name_len)
-+ {
-+ do
-+ str_len *= 2;
-+ while ((str_len - str_pos) <= path_name_len);
-+ tmp_str = grub_malloc (str_len);
-+ if (tmp_str == NULL)
-+ goto fail;
-+ grub_memmove (tmp_str, str, str_pos);
-+ grub_free (str);
-+ str = tmp_str;
-+ }
-+ str[str_pos] = '\\';
-+ strcpy (str + str_pos + 1, (char *)buf);
-+ str_pos += path_name_len;
-+ }
-+ break;
-+ default:
-+ break;
-+ }
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (file_path))
-+ break;
-+
-+ file_path = (grub_efi_device_path_t *) ((char *) file_path + len);
-+ }
-+ return fix_path_name (str);
-+
-+ fail:
-+ grub_free (str);
-+ return NULL;
-+}
-+
-+#define DEFAULT_SAVED_DEFAULT_FILE_NAME "grub.default"
-+#define DEFAULT_CONFIG_FILE_NAME "grub.conf"
-+
-+static char saved_default_file[128] = "/boot/grub/grub.default";
-+
-+void
-+grub_set_config_file (char *path_name)
-+{
-+ char *dir_end;
-+ grub_uint32_t path_name_len;
-+
-+ path_name_len = strlen (path_name);
-+ if (path_name_len > 4
-+ && path_name[path_name_len - 4] == '.'
-+ && grub_tolower (path_name[path_name_len - 3]) == 'e'
-+ && grub_tolower (path_name[path_name_len - 2]) == 'f'
-+ && grub_tolower (path_name[path_name_len - 1]) == 'i')
-+ {
-+ /* Bigger than buffer of config_file */
-+ if (path_name_len + 1 > 127)
-+ return;
-+ grub_memmove (config_file, path_name, path_name_len - 4);
-+ grub_strcpy (config_file + path_name_len - 4, ".conf");
-+ /* Bigger than buffer of default file */
-+ if (path_name_len + 4 > 127)
-+ return;
-+ grub_memmove (saved_default_file, path_name, path_name_len - 4);
-+ grub_strcpy (saved_default_file + path_name_len - 4, ".default");
-+ return;
-+ }
-+ dir_end = grub_strrchr (path_name, '/');
-+ if (! dir_end)
-+ {
-+ grub_strcpy (config_file, DEFAULT_CONFIG_FILE_NAME);
-+ grub_strcpy (saved_default_file, DEFAULT_SAVED_DEFAULT_FILE_NAME);
-+ return;
-+ }
-+ if (strlen(dir_end) == 1) {
-+ path_name_len = dir_end + 1 - path_name;
-+ if (path_name_len + sizeof (DEFAULT_CONFIG_FILE_NAME) > 128)
-+ return;
-+ grub_memmove (config_file, path_name, path_name_len);
-+ grub_strcpy (config_file + path_name_len, DEFAULT_CONFIG_FILE_NAME);
-+ } else {
-+ grub_memmove (config_file, path_name, path_name_len+1);
-+ }
-+ if (path_name_len + sizeof (DEFAULT_SAVED_DEFAULT_FILE_NAME) > 128)
-+ return;
-+ path_name_len = dir_end + 1 - path_name;
-+ grub_memmove (saved_default_file, path_name, path_name_len);
-+ grub_strcpy (saved_default_file + path_name_len,
-+ DEFAULT_SAVED_DEFAULT_FILE_NAME);
-+}
-+
-+grub_efi_guid_t simple_file_system_guid = GRUB_EFI_SIMPLE_FILE_SYSTEM_GUID;
-+
-+static grub_efi_file_t *
-+simple_open_file(grub_efi_handle_t dev_handle,
-+ char *file_name,
-+ int for_write)
-+{
-+ grub_efi_simple_file_system_t *file_system;
-+ grub_efi_file_t *root;
-+ grub_efi_file_t *file = NULL;
-+ grub_efi_status_t status;
-+ grub_efi_char16_t *file_name_w = NULL;
-+ grub_efi_char16_t *chp_w;
-+ grub_efi_uint64_t open_mode;
-+
-+ file_system = grub_efi_open_protocol (dev_handle,
-+ &simple_file_system_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+ if (! file_system)
-+ return NULL;
-+ status = Call_Service_2 (file_system->open_volume, file_system, &root);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return NULL;
-+ file_name_w = grub_malloc (2 * strlen(file_name) + 2);
-+ if (! file_name_w)
-+ goto done;
-+ for (chp_w = file_name_w; *file_name; chp_w++, file_name++)
-+ if (*file_name == '/')
-+ *chp_w = '\\';
-+ else
-+ *chp_w = *file_name;
-+ *chp_w = '\0';
-+ open_mode = for_write ? GRUB_EFI_FILE_MODE_READ | GRUB_EFI_FILE_MODE_WRITE \
-+ | GRUB_EFI_FILE_MODE_CREATE : GRUB_EFI_FILE_MODE_READ;
-+ status = Call_Service_5 (root->open, root, &file, file_name_w,
-+ open_mode, 0);
-+ done:
-+ if (file_name_w)
-+ grub_free (file_name_w);
-+ Call_Service_1 (root->close, root);
-+ return file;
-+}
-+
-+void
-+grub_load_saved_default (grub_efi_handle_t dev_handle)
-+{
-+ grub_efi_file_t *file;
-+ char buf[16];
-+ char *ptr = buf;
-+ grub_efi_status_t status;
-+ int val;
-+ grub_efi_uintn_t buf_size = sizeof(buf);
-+
-+ file = simple_open_file (dev_handle, saved_default_file, 0);
-+ if (! file)
-+ return;
-+ status = Call_Service_3 (file->read, file, &buf_size, buf);
-+ if (status != GRUB_EFI_SUCCESS)
-+ goto done;
-+ if (buf_size >= sizeof(buf))
-+ buf_size = sizeof(buf) - 1;
-+ buf[buf_size] = '\0';
-+ if (safe_parse_maxint (&ptr, &val))
-+ saved_entryno = val;
-+ done:
-+ Call_Service_1 (file->close, file);
-+}
-+
-+int
-+grub_save_saved_default (int new_default)
-+{
-+ grub_efi_loaded_image_t *loaded_image;
-+ grub_efi_file_t *file;
-+ char buf[16];
-+ grub_efi_status_t status;
-+ grub_efi_uintn_t buf_size;
-+ int ret = 0;
-+
-+ loaded_image = grub_efi_get_loaded_image (grub_efi_image_handle);
-+ file = simple_open_file (loaded_image->device_handle,
-+ saved_default_file, 1);
-+ if (! file)
-+ {
-+ errnum = ERR_FILE_NOT_FOUND;
-+ return 1;
-+ }
-+ sprintf (buf, "%d", new_default);
-+ buf_size = strlen (buf);
-+ status = Call_Service_3 (file->write, file, &buf_size, buf);
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ errnum = ERR_WRITE;
-+ ret = 1;
-+ goto done;
-+ }
-+ done:
-+ Call_Service_1 (file->close, file);
-+ return ret;
-+}
-diff --git a/efi/efimm.c b/efi/efimm.c
-new file mode 100644
-index 0000000..836188d
---- /dev/null
-+++ b/efi/efimm.c
-@@ -0,0 +1,539 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-+ * MA 02110-1301, USA.
-+ */
-+
-+#include <config.h>
-+#include <grub/misc.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+
-+#define NEXT_MEMORY_DESCRIPTOR(desc, size) \
-+ ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
-+
-+#define BYTES_TO_PAGES(bytes) ((bytes) >> 12)
-+#define PAGES_TO_BYTES(pages) ((pages) << 12)
-+
-+/* Global variables used to store memory map, its size, and the number of
-+ * pages allocated for the buffer. */
-+void *mmap_buf;
-+grub_efi_uintn_t mmap_size;
-+grub_efi_uintn_t mmap_pages;
-+
-+/* Maintain the list of allocated pages. */
-+struct allocated_page
-+{
-+ grub_efi_physical_address_t addr;
-+ grub_efi_uint64_t num_pages;
-+};
-+
-+#define ALLOCATED_PAGES_SIZE 0x1000
-+#define MAX_ALLOCATED_PAGES \
-+ (ALLOCATED_PAGES_SIZE / sizeof (struct allocated_page))
-+
-+static struct allocated_page *allocated_pages = 0;
-+
-+/* The minimum and maximum heap size for GRUB itself. */
-+#define MIN_HEAP_SIZE 0x100000
-+#define MAX_HEAP_SIZE (16 * 0x100000)
-+
-+
-+void *
-+grub_efi_allocate_pool (grub_efi_uintn_t size)
-+{
-+ grub_efi_status_t status;
-+ void *p;
-+ grub_efi_boot_services_t *b;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_3(b->allocate_pool, GRUB_EFI_LOADER_DATA, size, &p);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return NULL;
-+
-+ return p;
-+}
-+
-+void
-+grub_efi_free_pool (void *buffer)
-+{
-+ grub_efi_boot_services_t *b;
-+
-+ b = grub_efi_system_table->boot_services;
-+ Call_Service_1(b->free_pool, buffer);
-+}
-+
-+void *
-+grub_efi_allocate_anypages(grub_efi_uintn_t pages)
-+{
-+ grub_efi_boot_services_t *b;
-+ grub_efi_status_t status;
-+ grub_efi_physical_address_t address;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_4 (b->allocate_pages,
-+ GRUB_EFI_ALLOCATE_ANY_PAGES,
-+ GRUB_EFI_LOADER_DATA,
-+ pages,
-+ &address);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ if (allocated_pages)
-+ {
-+ unsigned i;
-+
-+ for (i = 0; i < MAX_ALLOCATED_PAGES; i++)
-+ if (allocated_pages[i].addr == 0)
-+ {
-+ allocated_pages[i].addr = address;
-+ allocated_pages[i].num_pages = pages;
-+ break;
-+ }
-+
-+ if (i == MAX_ALLOCATED_PAGES)
-+ {
-+ grub_printf ("too many page allocations");
-+ return NULL;
-+ }
-+ }
-+
-+ return (void *) ((grub_addr_t) address);
-+
-+}
-+
-+/* Allocate pages. Return the pointer to the first of allocated pages. */
-+static void *
-+grub_efi_allocate_pages_real (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages,
-+ grub_efi_memory_type_t memtype)
-+{
-+ grub_efi_allocate_type_t type;
-+ grub_efi_status_t status;
-+ grub_efi_boot_services_t *b;
-+
-+ /* Limit the memory access to less than 2GB to avoid 64bit
-+ * compatible problem of grub */
-+ if (address > 0x7fffffff)
-+ return 0;
-+
-+ if (address == 0)
-+ {
-+ type = GRUB_EFI_ALLOCATE_MAX_ADDRESS;
-+ address = 0x7fffffff;
-+ }
-+ else
-+ type = GRUB_EFI_ALLOCATE_ADDRESS;
-+
-+ b = grub_efi_system_table->boot_services;
-+ status = Call_Service_4 (b->allocate_pages, type,
-+ memtype, pages, &address);
-+
-+ if (status != GRUB_EFI_SUCCESS)
-+ {
-+ /* EFI_NOT_FOUND means the region was unavailable, which means we can
-+ probably just use it. This is only for hacks to start with */
-+ if (memtype == GRUB_EFI_RUNTIME_SERVICES_DATA &&
-+ status == GRUB_EFI_NOT_FOUND)
-+ return (void *) ((grub_addr_t) address);
-+ else
-+ return 0;
-+ }
-+
-+ if (address == 0)
-+ {
-+ /* Uggh, the address 0 was allocated... This is too annoying,
-+ so reallocate another one. */
-+ address = 0x7fffffff;
-+ status = Call_Service_4 (b->allocate_pages,
-+ type, GRUB_EFI_LOADER_DATA, pages, &address);
-+ grub_efi_free_pages (0, pages);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+ }
-+
-+ /* We don't want to free anything we've allocated for runtime */
-+ if (allocated_pages && memtype != GRUB_EFI_RUNTIME_SERVICES_DATA)
-+ {
-+ unsigned i;
-+
-+ for (i = 0; i < MAX_ALLOCATED_PAGES; i++)
-+ if (allocated_pages[i].addr == 0)
-+ {
-+ allocated_pages[i].addr = address;
-+ allocated_pages[i].num_pages = pages;
-+ break;
-+ }
-+
-+ if (i == MAX_ALLOCATED_PAGES)
-+ {
-+ grub_printf ("too many page allocations");
-+ return NULL;
-+ }
-+ }
-+
-+ return (void *) ((grub_addr_t) address);
-+}
-+
-+void *
-+grub_efi_allocate_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages)
-+
-+{
-+ return grub_efi_allocate_pages_real(address, pages, GRUB_EFI_LOADER_DATA);
-+}
-+
-+void *
-+grub_efi_allocate_runtime_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages)
-+
-+{
-+ return grub_efi_allocate_pages_real(address, pages,
-+ GRUB_EFI_RUNTIME_SERVICES_DATA);
-+}
-+/* Free pages starting from ADDRESS. */
-+void
-+grub_efi_free_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages)
-+{
-+ grub_efi_boot_services_t *b;
-+
-+ if (allocated_pages
-+ && ((grub_efi_physical_address_t) ((grub_addr_t) allocated_pages)
-+ != address))
-+ {
-+ unsigned i;
-+
-+ for (i = 0; i < MAX_ALLOCATED_PAGES; i++)
-+ if (allocated_pages[i].addr == address)
-+ {
-+ allocated_pages[i].addr = 0;
-+ break;
-+ }
-+ }
-+
-+ b = grub_efi_system_table->boot_services;
-+ Call_Service_2 (b->free_pages ,address, pages);
-+}
-+
-+/* Get the memory map as defined in the EFI spec. Return 1 if successful,
-+ return 0 if partial, or return -1 if an error occurs.
-+
-+ This function will allocate memory for (global) mmap_buf if there isn't
-+ already a buffer allocated, and will free & reallocate if it needs to
-+ be larger. */
-+
-+int
-+grub_efi_get_memory_map (grub_efi_uintn_t *map_key,
-+ grub_efi_uintn_t *descriptor_size,
-+ grub_efi_uint32_t *descriptor_version)
-+{
-+ grub_efi_status_t status;
-+ grub_efi_boot_services_t *b;
-+ grub_efi_uintn_t key;
-+ grub_efi_uint32_t version;
-+ grub_efi_uintn_t tmp_mmap_size;
-+
-+ /* Allow some parameters to be missing. */
-+ if (! map_key)
-+ map_key = &key;
-+ if (! descriptor_version)
-+ descriptor_version = &version;
-+
-+ while (1)
-+ {
-+ b = grub_efi_system_table->boot_services;
-+ tmp_mmap_size = PAGES_TO_BYTES(mmap_pages);
-+ status = Call_Service_5 (b->get_memory_map,
-+ &tmp_mmap_size, mmap_buf, map_key,
-+ descriptor_size, descriptor_version);
-+ if (status == GRUB_EFI_SUCCESS)
-+ {
-+ mmap_size = tmp_mmap_size;
-+ return 1;
-+ }
-+ else if (status != GRUB_EFI_BUFFER_TOO_SMALL)
-+ return -1;
-+
-+ /* we need a larger buffer */
-+ if (mmap_buf)
-+ grub_efi_free_pages ((grub_addr_t) mmap_buf, mmap_pages);
-+
-+ /* get 1 more page than we need, just in case */
-+ mmap_pages = BYTES_TO_PAGES(tmp_mmap_size + 4095) + 1;
-+ mmap_buf = grub_efi_allocate_pages (0, mmap_pages);
-+ if (! mmap_buf)
-+ {
-+ mmap_pages = 0;
-+ grub_printf ("cannot allocate memory for memory map");
-+ return -1;
-+ }
-+ }
-+}
-+
-+#define MMAR_DESC_LENGTH 20
-+
-+/*
-+ * Add a memory region to the kernel e820 map.
-+ *
-+ * Convert EFI memory map to E820 map for the operating system
-+ * This code is based on a Linux kernel patch submitted by Edgar Hucek
-+ */
-+static void
-+add_memory_region (struct e820_entry *e820_map,
-+ int *e820_nr_map,
-+ unsigned long long start,
-+ unsigned long long size,
-+ unsigned int type)
-+{
-+ int x = *e820_nr_map;
-+ static unsigned long long estart = 0ULL;
-+ static unsigned long esize = 0L;
-+ static unsigned int etype = -1;
-+ static int merge = 0;
-+
-+ /* merge adjacent regions of same type */
-+ if ((x > 0) && e820_map[x-1].addr + e820_map[x-1].size == start
-+ && e820_map[x-1].type == type)
-+ {
-+ e820_map[x-1].size += size;
-+ estart = e820_map[x-1].addr;
-+ esize = e820_map[x-1].size;
-+ etype = e820_map[x-1].type;
-+ merge++;
-+ return;
-+ }
-+
-+ /* fill up to E820_MAX */
-+ if ( x < E820_MAX )
-+ {
-+ e820_map[x].addr = start;
-+ e820_map[x].size = size;
-+ e820_map[x].type = type;
-+ (*e820_nr_map)++;
-+ merge=0;
-+ return;
-+ }
-+
-+ /* different type means another region didn't fit */
-+ /* or same type, but there's a hole */
-+ if (etype != type || (estart + esize) != start)
-+ {
-+ merge = 0;
-+ estart = start;
-+ esize = size;
-+ etype = type;
-+ return;
-+ }
-+
-+ /* same type and no hole, merge it */
-+ estart += esize;
-+ esize += size;
-+ merge++;
-+}
-+
-+/*
-+ * Make a e820 memory map
-+ */
-+void
-+e820_map_from_efi_map (struct e820_entry *e820_map,
-+ int *e820_nr_map,
-+ grub_efi_memory_descriptor_t *memory_map,
-+ grub_efi_uintn_t desc_size,
-+ grub_efi_uintn_t memory_map_size)
-+{
-+ grub_efi_memory_descriptor_t *desc;
-+ unsigned long long start = 0;
-+ unsigned long long end = 0;
-+ unsigned long long size = 0;
-+ grub_efi_memory_descriptor_t *memory_map_end;
-+
-+ memory_map_end = NEXT_MEMORY_DESCRIPTOR (memory_map, memory_map_size);
-+ *e820_nr_map = 0;
-+ for (desc = memory_map;
-+ desc < memory_map_end;
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ switch (desc->type)
-+ {
-+ case GRUB_EFI_ACPI_RECLAIM_MEMORY:
-+ add_memory_region (e820_map, e820_nr_map,
-+ desc->physical_start, desc->num_pages << 12,
-+ E820_ACPI);
-+ break;
-+ case GRUB_EFI_RUNTIME_SERVICES_CODE:
-+ case GRUB_EFI_RUNTIME_SERVICES_DATA:
-+ case GRUB_EFI_RESERVED_MEMORY_TYPE:
-+ case GRUB_EFI_MEMORY_MAPPED_IO:
-+ case GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE:
-+ case GRUB_EFI_UNUSABLE_MEMORY:
-+ case GRUB_EFI_PAL_CODE:
-+ add_memory_region (e820_map, e820_nr_map,
-+ desc->physical_start, desc->num_pages << 12,
-+ E820_RESERVED);
-+ break;
-+ case GRUB_EFI_LOADER_CODE:
-+ case GRUB_EFI_LOADER_DATA:
-+ case GRUB_EFI_BOOT_SERVICES_CODE:
-+ case GRUB_EFI_BOOT_SERVICES_DATA:
-+ case GRUB_EFI_CONVENTIONAL_MEMORY:
-+ start = desc->physical_start;
-+ size = desc->num_pages << 12;
-+ end = start + size;
-+ if (start < 0x100000ULL && end > 0xA0000ULL)
-+ {
-+ if (start < 0xA0000ULL)
-+ add_memory_region (e820_map, e820_nr_map,
-+ start, 0xA0000ULL-start,
-+ E820_RAM);
-+ if (end <= 0x100000ULL)
-+ continue;
-+ start = 0x100000ULL;
-+ size = end - start;
-+ }
-+ add_memory_region (e820_map, e820_nr_map,
-+ start, size, E820_RAM);
-+ break;
-+ case GRUB_EFI_ACPI_MEMORY_NVS:
-+ add_memory_region (e820_map, e820_nr_map,
-+ desc->physical_start, desc->num_pages << 12,
-+ E820_NVS);
-+ break;
-+ }
-+ }
-+}
-+
-+static void
-+update_e820_map (struct e820_entry *e820_map,
-+ int *e820_nr_map)
-+{
-+ grub_efi_uintn_t desc_size;
-+
-+ if (grub_efi_get_memory_map (0, &desc_size, 0) < 0)
-+ {
-+ grub_printf ("cannot get memory map");
-+ return;
-+ }
-+
-+ e820_map_from_efi_map (e820_map, e820_nr_map,
-+ mmap_buf, desc_size, mmap_size);
-+}
-+
-+/* Simulated memory sizes. */
-+#define EXTENDED_MEMSIZE (3 * 1024 * 1024) /* 3MB */
-+#define CONVENTIONAL_MEMSIZE (640 * 1024) /* 640kB */
-+
-+int
-+get_code_end (void)
-+{
-+ /* Just return a little area for simulation. */
-+ return BOOTSEC_LOCATION + (60 * 1024);
-+}
-+
-+/* memory probe routines */
-+int
-+get_memsize (int type)
-+{
-+ if (! type)
-+ return CONVENTIONAL_MEMSIZE >> 10;
-+ else
-+ return EXTENDED_MEMSIZE >> 10;
-+}
-+
-+/* get_eisamemsize() : return packed EISA memory map, lower 16 bits is
-+ * memory between 1M and 16M in 1K parts, upper 16 bits is
-+ * memory above 16M in 64K parts. If error, return -1.
-+ */
-+int
-+get_eisamemsize (void)
-+{
-+ return (EXTENDED_MEMSIZE >> 10);
-+}
-+
-+static int grub_e820_nr_map;
-+static struct e820_entry grub_e820_map[E820_MAX];
-+
-+/* Fetch the next entry in the memory map and return the continuation
-+ value. DESC is a pointer to the descriptor buffer, and CONT is the
-+ previous continuation value (0 to get the first entry in the
-+ map). */
-+int
-+get_mmap_entry (struct mmar_desc *desc, int cont)
-+{
-+ if (cont < 0 || cont >= grub_e820_nr_map)
-+ {
-+ /* Should not happen. */
-+ desc->desc_len = 0;
-+ }
-+ else
-+ {
-+ struct e820_entry *entry;
-+ /* Copy the entry. */
-+ desc->desc_len = MMAR_DESC_LENGTH;
-+ entry = &grub_e820_map[cont++];
-+ desc->addr = entry->addr;
-+ desc->length = entry->size;
-+ desc->type = entry->type;
-+
-+ /* If the next entry exists, return the index. */
-+ if (cont < grub_e820_nr_map)
-+ return cont;
-+ }
-+
-+ return 0;
-+}
-+
-+void
-+grub_efi_mm_init (void)
-+{
-+ /* First of all, allocate pages to maintain allocations. */
-+ allocated_pages
-+ = grub_efi_allocate_pages (0, BYTES_TO_PAGES (ALLOCATED_PAGES_SIZE));
-+ if (! allocated_pages)
-+ {
-+ grub_printf ("cannot allocate memory");
-+ return;
-+ }
-+
-+ grub_memset (allocated_pages, 0, ALLOCATED_PAGES_SIZE);
-+
-+ update_e820_map (grub_e820_map, &grub_e820_nr_map);
-+}
-+
-+void
-+grub_efi_mm_fini (void)
-+{
-+ if (allocated_pages)
-+ {
-+ unsigned i;
-+
-+ for (i = 0; i < MAX_ALLOCATED_PAGES; i++)
-+ {
-+ struct allocated_page *p;
-+
-+ p = allocated_pages + i;
-+ if (p->addr != 0)
-+ grub_efi_free_pages ((grub_addr_t) p->addr, p->num_pages);
-+ }
-+
-+ grub_efi_free_pages ((grub_addr_t) allocated_pages,
-+ BYTES_TO_PAGES (ALLOCATED_PAGES_SIZE));
-+ }
-+}
-diff --git a/efi/efinic.c b/efi/efinic.c
-new file mode 100644
-index 0000000..e69de29
-diff --git a/efi/efiserial.c b/efi/efiserial.c
-new file mode 100644
-index 0000000..32898a9
---- /dev/null
-+++ b/efi/efiserial.c
-@@ -0,0 +1,265 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2007 Intel Corp.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifdef SUPPORT_SERIAL
-+
-+#include <grub/types.h>
-+#include <grub/misc.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <shared.h>
-+#include <serial.h>
-+#include <term.h>
-+
-+struct grub_efiserial_data
-+{
-+ grub_efi_handle_t handle;
-+ grub_efi_serial_io_t *serial_io;
-+ struct grub_efiserial_data *next;
-+};
-+
-+/* GUIDs. */
-+static grub_efi_guid_t serial_io_guid = GRUB_EFI_SERIAL_IO_GUID;
-+
-+static grub_efi_serial_io_t *serial_device = NULL;
-+
-+static struct grub_efiserial_data *
-+make_devices (void)
-+{
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_handle_t *handles;
-+ grub_efi_handle_t *handle;
-+ struct grub_efiserial_data *devices = 0;
-+
-+ /* Find handles which support the serial io interface. */
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, &serial_io_guid,
-+ 0, &num_handles);
-+ if (! handles)
-+ return 0;
-+
-+ /* Make a linked list of devices. */
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ struct grub_efiserial_data *s;
-+ grub_efi_serial_io_t *sio;
-+
-+ sio = grub_efi_open_protocol (*handle, &serial_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+ if (! sio)
-+ /* This should not happen... Why? */
-+ continue;
-+
-+ s = grub_malloc (sizeof (*s));
-+ if (! s)
-+ {
-+ /* Uggh. */
-+ grub_free (handles);
-+ return 0;
-+ }
-+
-+ s->handle = *handle;
-+ s->serial_io = sio;
-+ s->next = devices;
-+ devices = s;
-+ }
-+
-+ grub_free (handles);
-+
-+ return devices;
-+}
-+
-+static void
-+free_devices (struct grub_efiserial_data *devices)
-+{
-+ struct grub_efiserial_data *p, *q;
-+
-+ for (p = devices; p; p = q)
-+ {
-+ q = p->next;
-+ grub_free (p);
-+ }
-+}
-+
-+static struct grub_efiserial_data *
-+get_device (struct grub_efiserial_data *devices, int num)
-+{
-+ struct grub_efiserial_data *s;
-+
-+ for (s = devices; s && num; s = s->next, num--)
-+ ;
-+
-+ if (num == 0)
-+ return s;
-+
-+ return 0;
-+}
-+
-+/* Fetch a key from a serial device. */
-+int
-+serial_hw_fetch (void)
-+{
-+ grub_efi_status_t status;
-+ char buf[1];
-+ grub_efi_uintn_t buf_siz = sizeof (buf);
-+ grub_efi_uint32_t control;
-+
-+ if (! serial_device)
-+ return -1;
-+
-+ status = Call_Service_2 (serial_device->get_control_bits, serial_device, &control);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return -1;
-+ if (control & GRUB_EFI_SERIAL_INPUT_BUFFER_EMPTY)
-+ return -1;
-+ status = Call_Service_3 (serial_device->read, serial_device, &buf_siz, buf);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return -1;
-+
-+ return buf[0];
-+}
-+
-+/* Put a character to a serial device. */
-+void
-+serial_hw_put (int c)
-+{
-+ grub_efi_status_t status;
-+ char ch = c;
-+ grub_efi_uintn_t buf_size = sizeof (ch);
-+
-+ if (! serial_device)
-+ return;
-+
-+ status = Call_Service_3 (serial_device->write, serial_device, &buf_size, &ch);
-+}
-+
-+void
-+serial_hw_delay (void)
-+{
-+}
-+
-+/* Get the port number of the unit UNIT, the port number is same as
-+ serial port unit number in EFI. */
-+unsigned short
-+serial_hw_get_port (int unit)
-+{
-+ return unit;
-+}
-+
-+static inline grub_efi_uint8_t
-+efi_data_bits_from_8250_LCR (int word_len)
-+{
-+ switch (word_len & 0x3)
-+ {
-+ case 0:
-+ return 5;
-+ case 1:
-+ return 6;
-+ case 2:
-+ return 7;
-+ case 3:
-+ return 8;
-+ default:
-+ return 0;
-+ }
-+}
-+
-+static inline grub_efi_stop_bits_t
-+efi_stop_bits_from_8250_LCR (int stop_bit_len)
-+{
-+ switch (stop_bit_len & 0x4)
-+ {
-+ case 0x0:
-+ return GRUB_EFI_ONE_STOP_BIT;
-+ case 0x4:
-+ return GRUB_EFI_TWO_STOP_BITS;
-+ default:
-+ return GRUB_EFI_DEFAULT_STOP_BITS;
-+ }
-+}
-+
-+static inline grub_efi_parity_t
-+efi_parity_from_8250_LCR (int parity_8250)
-+{
-+ if (! (parity_8250 & 0x8))
-+ return GRUB_EFI_NO_PARITY;
-+
-+ switch (parity_8250 & 0x30)
-+ {
-+ case 0x00:
-+ return GRUB_EFI_ODD_PARITY;
-+ case 0x10:
-+ return GRUB_EFI_EVEN_PARITY;
-+ case 0x20:
-+ return GRUB_EFI_MARK_PARITY;
-+ case 0x30:
-+ return GRUB_EFI_SPACE_PARITY;
-+ default:
-+ return GRUB_EFI_DEFAULT_PARITY;
-+ }
-+}
-+
-+/* Initialize a serial device. In EFI, PORT is used to assign
-+ serial port unit number. */
-+int
-+serial_hw_init (unsigned short port, unsigned int speed,
-+ int word_len, int parity, int stop_bit_len)
-+{
-+ grub_efi_serial_io_t *sio;
-+ struct grub_efiserial_data *devices, *s;
-+ grub_efi_parity_t efi_parity;
-+ grub_efi_stop_bits_t efi_stop_bits;
-+ grub_efi_uint8_t efi_data_bits;
-+ grub_efi_status_t status;
-+ int i;
-+
-+ devices = make_devices ();
-+ s = get_device (devices, port);
-+ if (!s)
-+ return 0;
-+ sio = s->serial_io;
-+ free_devices (devices);
-+
-+ efi_data_bits = efi_data_bits_from_8250_LCR (word_len);
-+ efi_parity = efi_parity_from_8250_LCR (parity);
-+ efi_stop_bits = efi_stop_bits_from_8250_LCR (stop_bit_len);
-+
-+ status = Call_Service_1 (sio->reset, sio);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ status = Call_Service_7 (sio->set_attributes, sio, speed, 0, 0,
-+ efi_parity, efi_data_bits, efi_stop_bits);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ serial_device = sio;
-+ /* Get rid of TERM_NEED_INIT from the serial terminal. */
-+ for (i = 0; term_table[i].name; i++)
-+ if (grub_strcmp (term_table[i].name, "serial") == 0)
-+ {
-+ term_table[i].flags &= ~TERM_NEED_INIT;
-+ break;
-+ }
-+
-+ return 1;
-+}
-+
-+#endif /* SUPPORT_SERIAL */
-diff --git a/efi/efitftp.c b/efi/efitftp.c
-new file mode 100644
-index 0000000..ba6918f
---- /dev/null
-+++ b/efi/efitftp.c
-@@ -0,0 +1,228 @@
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/misc.h>
-+#include <grub/misc.h>
-+
-+#include <shared.h>
-+#include <filesys.h>
-+#include "pxe.h"
-+
-+struct tftp_info tftp_info = {
-+ .LoadedImage = NULL,
-+ .Pxe = NULL,
-+ .ServerIp = NULL,
-+ .BasePath = NULL
-+};
-+
-+/*
-+ * CLIENT MAC ADDR: 00 15 17 4C E6 74
-+ * CLIENT IP: 10.16.52.158 MASK: 255.255.255.0 DHCP IP: 10.16.52.16
-+ * GATEWAY IP: 10.16.52.254
-+ *
-+ * TSize.Running LoadFile()
-+ *
-+ * TFTP.status: 5
-+ * got to grub_efi_pxe_get_config_path
-+ * SiAddr: 10.16.52.16
-+ * BootpHwAddr: 00:15:17:4c:e6:74:00:00:00:00:00:00:00:00:00:00
-+ * BootpSrvName:
-+ * BootpBootFile: X86PC/UNDI/pxelinux/bootx64.efi
-+ */
-+
-+static grub_efi_status_t tftp_get_file_size_defective_buffer_fallback(
-+ char *Filename,
-+ grub_efi_uintn_t *Size)
-+{
-+ EFI_PXE_BASE_CODE_TFTP_OPCODE OpCode = EFI_PXE_BASE_CODE_TFTP_READ_FILE;
-+ char *Buffer = NULL;
-+ grub_efi_boolean_t Overwrite = 0;
-+ grub_efi_boolean_t DontUseBuffer = 0;
-+ grub_efi_uint64_t BufferSize = 4096;
-+ grub_efi_uintn_t BlockSize = 512;
-+ grub_efi_status_t rc = GRUB_EFI_BUFFER_TOO_SMALL;
-+ char *FullPath = NULL;
-+
-+ while (rc == GRUB_EFI_BUFFER_TOO_SMALL) {
-+ char *NewBuffer;
-+
-+ if (Buffer) {
-+ grub_free(Buffer);
-+ Buffer = NULL;
-+ }
-+ BufferSize *= 2;
-+ NewBuffer = grub_malloc(BufferSize);
-+ if (!NewBuffer)
-+ return GRUB_EFI_OUT_OF_RESOURCES;
-+ Buffer = NewBuffer;
-+
-+ if (tftp_info.BasePath) {
-+ int PathSize = 0;
-+ PathSize = strlen(tftp_info.BasePath) + 2 +
-+ strlen(Filename);
-+ FullPath = grub_malloc(PathSize);
-+ grub_sprintf(FullPath, "%s/%s", tftp_info.BasePath,
-+ Filename);
-+ } else {
-+ FullPath = grub_malloc(strlen(Filename));
-+ strcpy(FullPath, Filename);
-+ }
-+
-+ rc = Call_Service_10(tftp_info.Pxe->Mtftp, tftp_info.Pxe,
-+ OpCode, Buffer, Overwrite, &BufferSize, &BlockSize,
-+ tftp_info.ServerIp, FullPath, NULL, DontUseBuffer);
-+ if (rc == GRUB_EFI_SUCCESS || rc == GRUB_EFI_BUFFER_TOO_SMALL)
-+ *Size = BufferSize;
-+ }
-+ grub_free(FullPath);
-+ grub_free(Buffer);
-+ return rc;
-+}
-+
-+grub_efi_status_t tftp_get_file_size(
-+ char *Filename,
-+ grub_efi_uintn_t *Size)
-+{
-+ EFI_PXE_BASE_CODE_TFTP_OPCODE OpCode = EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE;
-+ char Buffer[8192];
-+ grub_efi_boolean_t Overwrite = 0;
-+ grub_efi_boolean_t DontUseBuffer = 0;
-+ grub_efi_uint64_t BufferSize = 8192;
-+ grub_efi_uintn_t BlockSize = 512;
-+ grub_efi_status_t rc;
-+ char *FullPath = NULL;
-+
-+ if (tftp_info.BasePath) {
-+ int PathSize = 0;
-+ PathSize = strlen(tftp_info.BasePath) + 2 + strlen(Filename);
-+ FullPath = grub_malloc(PathSize);
-+ grub_sprintf(FullPath, "%s/%s", tftp_info.BasePath, Filename);
-+ } else {
-+ FullPath = grub_malloc(strlen(Filename));
-+ strcpy(FullPath, Filename);
-+ }
-+
-+ rc = Call_Service_10(tftp_info.Pxe->Mtftp, tftp_info.Pxe, OpCode,
-+ Buffer, Overwrite, &BufferSize, &BlockSize, tftp_info.ServerIp,
-+ FullPath, NULL, DontUseBuffer);
-+ if (rc == GRUB_EFI_BUFFER_TOO_SMALL)
-+ rc = tftp_get_file_size_defective_buffer_fallback(Filename, Size);
-+ if (rc == GRUB_EFI_SUCCESS)
-+ *Size = BufferSize;
-+ grub_free(FullPath);
-+ return rc;
-+}
-+
-+static grub_efi_status_t tftp_read_file(
-+ char *Filename,
-+ char *Buffer,
-+ grub_efi_uint64_t BufferSize)
-+{
-+ EFI_PXE_BASE_CODE_TFTP_OPCODE OpCode = EFI_PXE_BASE_CODE_TFTP_READ_FILE;
-+ grub_efi_boolean_t Overwrite = 0;
-+ grub_efi_boolean_t DontUseBuffer = 0;
-+ grub_efi_uintn_t BlockSize = 512;
-+ grub_efi_status_t rc;
-+ char *FullPath = NULL;
-+
-+ if (tftp_info.BasePath) {
-+ int PathSize = 0;
-+ PathSize = strlen(tftp_info.BasePath) + 2 + strlen(Filename);
-+ FullPath = grub_malloc(PathSize);
-+ grub_sprintf(FullPath, "%s/%s", tftp_info.BasePath, Filename);
-+ } else {
-+ FullPath = grub_malloc(strlen(Filename));
-+ strcpy(FullPath, Filename);
-+ }
-+
-+ rc = Call_Service_10(tftp_info.Pxe->Mtftp, tftp_info.Pxe, OpCode,
-+ Buffer, Overwrite, &BufferSize, &BlockSize, tftp_info.ServerIp,
-+ FullPath, NULL, DontUseBuffer);
-+ grub_free(FullPath);
-+ return rc;
-+}
-+
-+int
-+efi_tftp_mount (void)
-+{
-+ if (current_drive != NETWORK_DRIVE) {
-+ return 0;
-+ }
-+ return 1;
-+}
-+
-+int
-+efi_tftp_read (char *addr, int size)
-+{
-+ int rc;
-+
-+ if (tftp_info.LastPath == NULL) {
-+ grub_printf(" = 0 (no path known)\n");
-+ return 0;
-+ }
-+ if (tftp_info.Buffer == NULL) {
-+ grub_printf(" = 0 (no file open)\n");
-+ return 0;
-+ }
-+ if (filemax == -1) {
-+ grub_printf(" = 0 (file not found)\n");
-+ return 0;
-+ }
-+ if (filepos == 0) {
-+ rc = tftp_read_file(tftp_info.LastPath, tftp_info.Buffer,
-+ filemax);
-+ }
-+
-+ grub_memmove(addr, tftp_info.Buffer+filepos, size);
-+ filepos += size;
-+
-+ return size;
-+}
-+
-+int
-+efi_tftp_dir (char *dirname)
-+{
-+ int rc;
-+ int ch;
-+ grub_efi_uintn_t size;
-+ int len;
-+ char *name;
-+
-+ ch = nul_terminate(dirname);
-+ len = strlen(dirname);
-+
-+ name = grub_malloc(len + 1);
-+ grub_memmove(name, dirname, len);
-+ name[len] = '\0';
-+ dirname[len] = ch;
-+
-+#if 0
-+ if (print_possibilities)
-+ return 1;
-+#endif
-+
-+ filemax = -1;
-+
-+ rc = tftp_get_file_size(name, &size);
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ tftp_info.LastPath = grub_malloc(strlen(name) + 1);
-+ sprintf(tftp_info.LastPath, "%s", name);
-+ filemax = size;
-+ filepos = 0;
-+
-+ tftp_info.Buffer = grub_malloc(filemax);
-+
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+void
-+efi_tftp_close (void)
-+{
-+ filepos = 0;
-+ filemax = -1;
-+ grub_free(tftp_info.LastPath);
-+ tftp_info.LastPath = NULL;
-+ grub_free(tftp_info.Buffer);
-+ tftp_info.Buffer = NULL;
-+}
-diff --git a/efi/efiuga.c b/efi/efiuga.c
-new file mode 100644
-index 0000000..b27500b
---- /dev/null
-+++ b/efi/efiuga.c
-@@ -0,0 +1,982 @@
-+/* efiuga.c - "univeral graphics adapter" support for GRUB/EFI */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright 2007 Red Hat, Inc.
-+ * Copyright (C) 2007 Intel Corp.
-+ * Copyright (C) 2001,2002 Red Hat, Inc.
-+ * Portions copyright (C) 2000 Conectiva, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/misc.h>
-+
-+#include <term.h>
-+#include <shared.h>
-+#include <graphics.h>
-+
-+#include "graphics.h"
-+#include "xpm.h"
-+
-+static grub_efi_guid_t draw_guid = GRUB_EFI_UGA_DRAW_GUID;
-+static grub_efi_guid_t pci_io_guid = GRUB_EFI_PCI_IO_GUID;
-+
-+#if 0
-+#define UGA
-+#include "ugadebug.h"
-+#endif
-+
-+#ifndef MIN
-+#define MIN(x,y) ( ((x) < (y)) ? (x) : (y))
-+#endif
-+#ifndef MAX
-+#define MAX(x,y) ( ((x) < (y)) ? (y) : (x))
-+#endif
-+
-+#define pixel_equal(x,y) ((x).red == (y).red && \
-+ (x).green == (y).green && \
-+ (x).blue == (y).blue)
-+
-+struct video_mode {
-+ grub_efi_uint32_t horizontal_resolution;
-+ grub_efi_uint32_t vertical_resolution;
-+ grub_efi_uint32_t color_depth;
-+ grub_efi_uint32_t refresh_rate;
-+};
-+
-+static void
-+xpnd_6_to_8(grub_efi_uga_pixel_t *pixel)
-+{
-+ if (!((pixel->red | pixel->green | pixel->blue) & 0xc0)) {
-+ pixel->red <<= 2;
-+ pixel->red |= ((pixel->red & 0xc0) >> 6);
-+ pixel->red &= 0xff;
-+ pixel->green <<= 2;
-+ pixel->green |= ((pixel->green & 0xc0) >> 6);
-+ pixel->green &= 0xff;
-+ pixel->blue <<= 2;
-+ pixel->blue |= ((pixel->blue & 0xc0) >> 6);
-+ pixel->blue &= 0xff;
-+ }
-+}
-+
-+
-+
-+#define MAX_PALETTE 16
-+struct uga {
-+ grub_efi_uga_draw_t *draw_intf;
-+ struct video_mode graphics_mode;
-+ struct video_mode text_mode;
-+ enum { TEXT, GRAPHICS } current_mode;
-+
-+ position_t screen_size;
-+ position_t screen_pos;
-+
-+ struct bltbuf *background;
-+
-+ grub_efi_uga_pixel_t palette[MAX_PALETTE + 1];
-+};
-+
-+#define RGB(r,g,b) { .red = r, .green = g, .blue = b }
-+
-+static grub_efi_uga_pixel_t cga_colors[] = {
-+ RGB(0x00,0x00,0x00), // 0 Black
-+ RGB(0x7f,0x00,0x00), // 1 Dark Red
-+ RGB(0x00,0x7f,0x00), // 2 Dark Green
-+ RGB(0x7f,0x7f,0x00), // 3 Dark Yellow
-+ RGB(0x00,0x00,0x7f), // 4 Dark Blue
-+ RGB(0x7f,0x00,0x7f), // 5 Dark Magenta
-+ RGB(0x00,0x7f,0x7f), // 6 Dark Cyan
-+ RGB(0xc0,0xc0,0xc0), // 7 Light Grey
-+ RGB(0x7f,0x7f,0x7f), // 8 Dark Grey
-+ RGB(0xff,0x00,0x00), // 9 Red
-+ RGB(0x00,0xff,0x00), // 10 Green
-+ RGB(0xff,0xff,0x00), // 11 Yellow
-+ RGB(0x00,0x00,0xff), // 12 Blue
-+ RGB(0xff,0x00,0xff), // 13 Magenta
-+ RGB(0x00,0xff,0xff), // 14 Cyan
-+ RGB(0xff,0xff,0xff), // 15 White
-+ RGB(0xff,0xff,0xff), // 16 Also white ;)
-+};
-+
-+static const int n_cga_colors = sizeof (cga_colors) / sizeof (cga_colors[0]);
-+
-+static void
-+set_kernel_params(struct graphics_backend *backend,
-+ struct linux_kernel_params *params)
-+{
-+ struct uga *uga;
-+
-+ if (!backend || !backend->priv)
-+ return;
-+
-+ uga = backend->priv;
-+
-+ params->lfb_width = uga->graphics_mode.horizontal_resolution;
-+ params->lfb_height = uga->graphics_mode.vertical_resolution;
-+ params->lfb_depth = 32;
-+ params->red_mask_size = 8;
-+ params->red_field_pos = 16;
-+ params->green_mask_size = 8;
-+ params->green_field_pos = 8;
-+ params->blue_mask_size = 8;
-+ params->blue_field_pos = 0;
-+ params->reserved_mask_size = 8;
-+ params->reserved_field_pos = 24;
-+ params->have_vga = VIDEO_TYPE_EFI;
-+}
-+
-+static void
-+pixel_to_rgb(grub_efi_uga_pixel_t *pixel, int *red, int *green, int *blue)
-+{
-+ *red = pixel->red;
-+ *green = pixel->green;
-+ *blue = pixel->blue;
-+}
-+
-+static void
-+rgb_to_pixel(int red, int green, int blue, grub_efi_uga_pixel_t *pixel)
-+{
-+ pixel->red = red;
-+ pixel->green = green;
-+ pixel->blue = blue;
-+}
-+
-+static void
-+position_to_phys(struct uga *uga, position_t *virt, position_t *phys)
-+{
-+ phys->x = virt->x + uga->screen_pos.x;
-+ phys->y = virt->y + uga->screen_pos.y;
-+}
-+
-+static int
-+abs_paddr(struct uga *uga, position_t *virt)
-+{
-+ position_t phys;
-+ position_to_phys(uga, virt, &phys);
-+ return phys.x + phys.y * uga->screen_size.x;
-+}
-+
-+struct bltbuf {
-+ grub_efi_uintn_t width;
-+ grub_efi_uintn_t height;
-+ grub_efi_uga_pixel_t pixbuf[];
-+};
-+
-+static struct bltbuf *alloc_bltbuf(grub_efi_uintn_t width,
-+ grub_efi_uintn_t height)
-+{
-+ struct bltbuf *buf = NULL;
-+ grub_efi_uintn_t pixbuf_size = width * height *
-+ sizeof (grub_efi_uga_pixel_t);
-+
-+ if (!(buf = grub_malloc(sizeof(buf->width) + sizeof(buf->height) +
-+ pixbuf_size)))
-+ return NULL;
-+
-+ buf->width = width;
-+ buf->height = height;
-+ grub_memset(buf->pixbuf, '\0', pixbuf_size);
-+ return buf;
-+}
-+
-+static void
-+blt_to_screen(struct uga *uga, struct bltbuf *bltbuf)
-+{
-+ position_t addr = {0, 0};
-+
-+ position_to_phys(uga, &addr, &addr);
-+
-+ Call_Service_10(uga->draw_intf->blt, uga->draw_intf, bltbuf->pixbuf,
-+ EfiUgaBltBufferToVideo,
-+ 0, 0,
-+ addr.x, addr.y,
-+ bltbuf->width, bltbuf->height,
-+ 0);
-+}
-+
-+static void
-+blt_pos_to_screen_pos(struct uga *uga, struct bltbuf *bltbuf,
-+ position_t *bltpos, position_t *bltsz, position_t *pos)
-+{
-+ position_t phys;
-+
-+ position_to_phys(uga, pos, &phys);
-+
-+ Call_Service_10(uga->draw_intf->blt, uga->draw_intf, bltbuf->pixbuf,
-+ EfiUgaBltBufferToVideo,
-+ bltpos->x, bltpos->y,
-+ phys.x, phys.y,
-+ bltsz->x, bltsz->y,
-+ 0);
-+}
-+
-+static void
-+blt_to_screen_pos(struct uga *uga, struct bltbuf *bltbuf, position_t *pos)
-+{
-+ position_t bltpos = {0, 0};
-+ position_t bltsz = { bltbuf->width, bltbuf->height };
-+ blt_pos_to_screen_pos(uga, bltbuf, &bltpos, &bltsz, pos);
-+}
-+
-+static int
-+blt_from_screen_pos(struct uga *uga, struct bltbuf **retbuf,
-+ position_t *pos, position_t *size)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ position_t phys;
-+
-+ if (!retbuf)
-+ return 0;
-+
-+ if (*retbuf)
-+ grub_free(*retbuf);
-+
-+ bltbuf = alloc_bltbuf(size->x, size->y);
-+ if (!bltbuf)
-+ return 0;
-+
-+ position_to_phys(uga, pos, &phys);
-+
-+ Call_Service_10(uga->draw_intf->blt, uga->draw_intf, bltbuf->pixbuf,
-+ EfiUgaVideoToBltBuffer,
-+ phys.x, phys.y,
-+ 0, 0,
-+ size->x, size->y, 0);
-+ *retbuf = bltbuf;
-+ return 1;
-+}
-+
-+static int
-+save_video_mode(struct uga *uga, struct video_mode *mode)
-+{
-+ grub_efi_status_t status;
-+
-+ status = Call_Service_5(uga->draw_intf->get_mode, uga->draw_intf,
-+ &mode->horizontal_resolution, &mode->vertical_resolution,
-+ &mode->color_depth, &mode->refresh_rate);
-+ return status == GRUB_EFI_SUCCESS;
-+}
-+
-+static grub_efi_status_t
-+set_video_mode(struct uga *uga, struct video_mode *mode)
-+{
-+ grub_efi_status_t status;
-+
-+ status = Call_Service_5(uga->draw_intf->set_mode, uga->draw_intf,
-+ mode->horizontal_resolution,
-+ mode->vertical_resolution,
-+ mode->color_depth,
-+ mode->refresh_rate);
-+ return status;
-+}
-+
-+static int
-+cmp_video_modes(struct video_mode *vm0, struct video_mode *vm1)
-+{
-+ if (vm0->horizontal_resolution == vm1->horizontal_resolution &&
-+ vm0->vertical_resolution == vm1->vertical_resolution)
-+ return 0;
-+ if (vm0->horizontal_resolution >= vm1->horizontal_resolution &&
-+ vm0->vertical_resolution >= vm1->vertical_resolution)
-+ return 1;
-+ return -1;
-+}
-+
-+static int
-+blt_from_screen(struct uga *uga, struct bltbuf **retbuf)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ position_t pos = {0 ,0};
-+ position_t size = {
-+ .x = uga->graphics_mode.horizontal_resolution,
-+ .y = uga->graphics_mode.vertical_resolution
-+ };
-+
-+ return blt_from_screen_pos(uga, retbuf, &pos, &size);
-+}
-+
-+static void
-+bltbuf_set_pixel(struct bltbuf *bltbuf, position_t *pos,
-+ grub_efi_uga_pixel_t *pixel)
-+{
-+ if (pos->x < 0 || pos->x >= bltbuf->width)
-+ return;
-+ if (pos->x < 0 || pos->y >= bltbuf->height)
-+ return;
-+ grub_memmove(&bltbuf->pixbuf[pos->x + pos->y * bltbuf->width], pixel,
-+ sizeof *pixel);
-+}
-+
-+static void
-+bltbuf_get_pixel(struct bltbuf *bltbuf, position_t *pos,
-+ grub_efi_uga_pixel_t *pixel)
-+{
-+ if (bltbuf && pos->x < bltbuf->width && pos->y < bltbuf->height) {
-+ grub_memmove(pixel, &bltbuf->pixbuf[pos->x + pos->y * bltbuf->width],
-+ sizeof *pixel);
-+ } else {
-+ pixel->red = 0x00;
-+ pixel->green = 0x00;
-+ pixel->blue = 0x00;
-+ }
-+}
-+
-+static void
-+bltbuf_set_pixel_rgb(struct bltbuf *bltbuf, position_t *pos,
-+ int red, int green, int blue)
-+{
-+ grub_efi_uga_pixel_t pixel;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ bltbuf_set_pixel(bltbuf, pos, &pixel);
-+}
-+
-+static void
-+bltbuf_set_pixel_idx(struct uga *uga, struct bltbuf *bltbuf,
-+ position_t *pos, int idx)
-+{
-+ bltbuf_set_pixel(bltbuf, pos, &uga->palette[idx]);
-+}
-+
-+static void
-+bltbuf_get_pixel_idx(struct bltbuf *bltbuf, position_t *pos, int *idx)
-+{
-+ grub_efi_uga_pixel_t pixel;
-+
-+ rgb_to_pixel(0, 0, 0, &pixel);
-+ bltbuf_get_pixel(bltbuf, pos, &pixel);
-+ for (*idx = 0; *idx < 16; (*idx)++) {
-+ if (pixel_equal(cga_colors[*idx], pixel))
-+ break;
-+ }
-+}
-+
-+static struct bltbuf *
-+xpm_to_bltbuf(struct xpm *xpm)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ position_t pos;
-+
-+ if (!(bltbuf = alloc_bltbuf(xpm->width, xpm->height)))
-+ return NULL;
-+
-+ for (pos.y = 0; pos.y < xpm->height; pos.y++) {
-+ for (pos.x = 0; pos.x < xpm->width; pos.x++) {
-+ xpm_pixel_t xpl;
-+ unsigned char idx;
-+
-+ idx = xpm_get_pixel_idx(xpm, pos.x, pos.y);
-+ xpm_get_idx(xpm, idx, &xpl);
-+
-+ bltbuf_set_pixel_rgb(bltbuf, &pos, xpl.red, xpl.green, xpl.blue);
-+ }
-+ }
-+
-+ return bltbuf;
-+}
-+
-+static void
-+cursor(struct graphics_backend *backend, int set)
-+{
-+ struct uga *uga;
-+ int ch, invert;
-+ unsigned short *text;
-+ position_t fpos, screensz;
-+ int offset;
-+
-+ uga = backend->priv;
-+
-+ if (set && !graphics_get_scroll())
-+ return;
-+
-+ text = graphics_get_text_buf();
-+ graphics_get_font_position(&fpos);
-+ graphics_get_screen_rowscols(&screensz);
-+
-+ offset = fpos.y * screensz.x + fpos.x;
-+
-+ if (set)
-+ text[offset] |= 0x200;
-+
-+ graphics_clbl(fpos.x, fpos.y, 1, 1, 1);
-+
-+ if (set)
-+ text[offset] &= 0xfdff;
-+}
-+
-+static void blank(struct graphics_backend *backend);
-+
-+static void
-+reset_screen_geometry(struct graphics_backend *backend)
-+{
-+ struct uga *uga = backend->priv;
-+ struct xpm *xpm = graphics_get_splash_xpm();
-+ position_t screensz = { .x = 640, .y = 480 };
-+
-+ if (xpm) {
-+ screensz.x = xpm->width;
-+ screensz.y = xpm->height;
-+ }
-+
-+ uga->screen_pos.x =
-+ (uga->graphics_mode.horizontal_resolution - screensz.x) / 2;
-+ uga->screen_pos.y =
-+ (uga->graphics_mode.vertical_resolution - screensz.y) / 2;
-+
-+ blank(backend);
-+ graphics_get_screen_rowscols(&screensz);
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 0);
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 1);
-+}
-+
-+static void
-+get_screen_size(struct graphics_backend *backend, position_t *size)
-+{
-+ struct uga *uga = backend->priv;
-+ size->x = uga->graphics_mode.horizontal_resolution;
-+ size->y = uga->graphics_mode.vertical_resolution;
-+}
-+
-+static void
-+setxy(struct graphics_backend *backend, position_t *pos)
-+{
-+ position_t fpos;
-+
-+ fpos.x = pos->x;
-+ fpos.y = pos->y;
-+ graphics_set_font_position(&fpos);
-+}
-+
-+static void
-+uga_getxy(struct graphics_backend *backend, position_t *pos)
-+{
-+ graphics_get_font_position(pos);
-+}
-+
-+static void
-+draw_pixel(struct graphics_backend *backend, position_t *pos, pixel_t *pixel)
-+{
-+ struct bltbuf *bltbuf = NULL;
-+ grub_efi_uga_pixel_t *eup = (grub_efi_uga_pixel_t *)pixel;
-+
-+ bltbuf = alloc_bltbuf(1,1);
-+ if (!bltbuf)
-+ return;
-+
-+ grub_memmove(&bltbuf->pixbuf[0], eup, sizeof (*eup));
-+
-+ blt_to_screen_pos(backend->priv, bltbuf, pos);
-+
-+ grub_free(bltbuf);
-+}
-+
-+static pixel_t *
-+get_pixel_idx(struct graphics_backend *backend, int idx)
-+{
-+ static grub_efi_uga_pixel_t pixel;
-+ struct uga *uga = backend->priv;
-+ if (idx < 0 || idx > MAX_PALETTE)
-+ return NULL;
-+ pixel.red = uga->palette[idx].red;
-+ pixel.green = uga->palette[idx].green;
-+ pixel.blue = uga->palette[idx].blue;
-+ return (pixel_t *)&pixel;
-+}
-+
-+static pixel_t *
-+get_pixel_rgb(struct graphics_backend *backend, int red, int green, int blue)
-+{
-+ static grub_efi_uga_pixel_t pixel;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ return &pixel;
-+}
-+
-+static void
-+set_palette(struct graphics_backend *backend, int idx,
-+ int red, int green, int blue)
-+{
-+ grub_efi_uga_pixel_t pixel;
-+ struct uga *uga = backend->priv;
-+
-+ if (idx > MAX_PALETTE)
-+ return;
-+ rgb_to_pixel(red, green, blue, &pixel);
-+ grub_memmove(&uga->palette[idx], &pixel, sizeof pixel);
-+}
-+
-+static void
-+blank(struct graphics_backend *backend)
-+{
-+ struct uga *uga = backend->priv;
-+ struct bltbuf *bltbuf;
-+ position_t pos = {0, 0};
-+ grub_efi_uintn_t x, y, i, j;
-+ unsigned char r = 0 ,g = 0;
-+
-+ x = uga->graphics_mode.horizontal_resolution;
-+ y = uga->graphics_mode.vertical_resolution;
-+
-+ if (x == 0 || y == 0)
-+ return;
-+
-+ bltbuf = alloc_bltbuf(x, y);
-+ for (j = 0; j < y; j++) {
-+ if (debug_graphics && j % 16 == 0) {
-+ g = g == 0 ? 7 : 0;
-+ r = g == 0 ? 7 : 0;
-+ }
-+ for (i = 0; i < x; i++) {
-+ if (debug_graphics && i % 16 == 0) {
-+ g = g == 0 ? 7 : 0;
-+ r = g == 0 ? 7 : 0;
-+ }
-+ pos.x = i;
-+ pos.y = j;
-+ bltbuf_set_pixel_rgb(bltbuf, &pos, r * 16, g * 16, 0x0);
-+ }
-+ }
-+
-+ Call_Service_10(uga->draw_intf->blt, uga->draw_intf, bltbuf->pixbuf,
-+ EfiUgaBltBufferToVideo, 0, 0, 0, 0, x, y, 0);
-+
-+ grub_free(bltbuf);
-+}
-+
-+static void
-+bltbuf_cp_bl(struct bltbuf *d, position_t dpos,
-+ struct bltbuf *s, position_t spos)
-+{
-+ grub_efi_uga_pixel_t *dp, *sp;
-+
-+ const int xavail = MAX(0, s ? s->width - spos.x : 0);
-+ const int xtotal = MAX(0, d->width - dpos.x);
-+ const int xcp = MAX(0, MIN(xtotal, xavail));
-+ const int xcl = MAX(0, xtotal - xcp);
-+
-+ const int yavail = MAX(0, s ? s->height - spos.y : 0);
-+ const int ytotal = MAX(0, d->height - dpos.y);
-+ const int ycp = MAX(0, MIN(ytotal, yavail));
-+ const int ycl = MAX(0, ytotal - ycp);
-+
-+ int y, x;
-+
-+ for (y = 0; y < ytotal; y++) {
-+ dp = &d->pixbuf[(dpos.y + y) * d->width + dpos.x];
-+
-+ if (y < yavail) {
-+ sp = &s->pixbuf[(spos.y + y) * s->width + spos.x];
-+ memmove(dp, sp, xcp * sizeof (*dp));
-+ dp = &d->pixbuf[(dpos.y + y) * d->width + dpos.x + xcp];
-+ memset(dp, '\0', xcl * sizeof (*dp));
-+ } else {
-+ memset(dp, '\0', xtotal * sizeof (*dp));
-+ }
-+ }
-+}
-+
-+/* copy a region the size of bltbuf from the background into bltbuf,
-+ * starting at offset bgpos
-+ */
-+static void
-+bltbuf_draw_bg(struct graphics_backend *backend, struct bltbuf *bltbuf,
-+ position_t bgpos)
-+{
-+ struct uga *uga = backend->priv;
-+ position_t blpos = { 0, 0 };
-+
-+ bltbuf_cp_bl(bltbuf, blpos, uga->background, bgpos);
-+}
-+
-+static void
-+dbg_dump_palette(struct graphics_backend *backend)
-+{
-+ struct uga *uga;
-+ int i;
-+ if (!backend || !backend->priv)
-+ return;
-+ uga = backend->priv;
-+ if (!uga->palette)
-+ return;
-+}
-+
-+static int
-+is_shadow_pixel(position_t screensz, position_t textpos, position_t bitpos,
-+ position_t fontsz)
-+{
-+ unsigned short *text = graphics_get_text_buf();
-+ const unsigned char *glyph;
-+ position_t glyphpos = { textpos.x, textpos.y };
-+ position_t glyphbit = { bitpos.x, bitpos.y };
-+ unsigned short ch;
-+
-+ if (glyphbit.x == 0) {
-+ glyphbit.x = fontsz.x;
-+ glyphpos.x--;
-+ }
-+ if (glyphbit.y == 0) {
-+ glyphbit.y = fontsz.y;
-+ glyphpos.y--;
-+ }
-+ glyphbit.x--;
-+ glyphbit.y--;
-+
-+ if (glyphpos.x < 0 || glyphpos.y < 0)
-+ return 0;
-+
-+ ch = text[glyphpos.y * screensz.x + glyphpos.x] & 0xff;
-+ glyph = font8x16 + (ch << 4);
-+ return glyph[glyphbit.y] & (1 << ((fontsz.x-1) - glyphbit.x));
-+}
-+
-+static void
-+bltbuf_draw_character(struct graphics_backend *backend,
-+ struct bltbuf *bltbuf, /* the bltbuf to draw into */
-+ position_t target, /* the position in the bltbuf to draw to */
-+ position_t fontsz, /* the size of the font, in pixels */
-+ position_t charpos, /* the position of the character in the text
-+ screen buffer */
-+ position_t screensz, /* the size of the screen in characters */
-+ unsigned short ch /* the character to draw, plus flags */
-+ )
-+{
-+ struct uga *uga = backend->priv;
-+ position_t blpos;
-+ position_t glyphpos;
-+
-+ blpos.y = target.y;
-+ for (glyphpos.y = 0; glyphpos.y < fontsz.y; glyphpos.y++, blpos.y++) {
-+ blpos.x = target.x;
-+ for (glyphpos.x = 0; glyphpos.x < fontsz.x; glyphpos.x++, blpos.x++) {
-+ int invert = (ch & 0x0100) != 0;
-+ int set = (ch & 0x0200) != 0;
-+ const unsigned char *glyph = font8x16 + ((ch & 0xff) << 4);
-+ int bit = glyph[glyphpos.y] & (1 << ((fontsz.x-1) - glyphpos.x));
-+ int idx = -1;
-+
-+ if (!set) {
-+ if (invert)
-+ idx = bit ? 0 : 15;
-+ else if (bit)
-+ idx = 15;
-+
-+ if (idx == -1) {
-+ if (is_shadow_pixel(screensz, charpos, glyphpos, fontsz) ||
-+ !uga->background)
-+ idx = invert ? 15 : 0;
-+ }
-+ } else {
-+ idx = bit ? 0 : 15;
-+ }
-+
-+ if (idx != -1)
-+ bltbuf_set_pixel_idx(uga, bltbuf, &blpos, idx);
-+ }
-+ }
-+}
-+
-+static void
-+bltbuf_draw_text(struct graphics_backend *backend,
-+ struct bltbuf *bltbuf, /* the buffer to draw into */
-+ position_t screensz, /* the size of the screen in characters */
-+ position_t fontsz, /* the size of the font in pixels */
-+ position_t txtpos, /* the position of the text on the screen
-+ (in characters) */
-+ position_t txtsz /* the size of the block to fill in
-+ (in characters) */
-+ )
-+{
-+ struct uga *uga = backend->priv;
-+ unsigned short *text = graphics_get_text_buf();
-+ position_t charpos;
-+
-+ for (charpos.y = txtpos.y; charpos.y < txtpos.y + txtsz.y; charpos.y++) {
-+ for (charpos.x = txtpos.x; charpos.x < txtpos.x + txtsz.x; charpos.x++){
-+ int offset = charpos.y * screensz.x + charpos.x;
-+ position_t blpos = { (charpos.x-txtpos.x)*fontsz.x,
-+ (charpos.y-txtpos.y)*fontsz.y };
-+
-+ bltbuf_draw_character(backend, bltbuf, blpos, fontsz, charpos,
-+ screensz, text[offset]);
-+ }
-+ }
-+}
-+
-+static void
-+clbl(struct graphics_backend *backend, int col, int row, int width, int height,
-+ int draw_text)
-+{
-+ struct uga *uga = backend->priv;
-+ struct xpm *xpm;
-+
-+ struct bltbuf *bltbuf;
-+ position_t fontsz, blpos, blsz, screensz;
-+ unsigned short *text;
-+
-+// blank(backend);
-+//
-+ xpm = graphics_get_splash_xpm();
-+ if (xpm && !uga->background)
-+ uga->background = xpm_to_bltbuf(xpm);
-+
-+ graphics_get_screen_rowscols(&screensz);
-+ width = MIN(width, screensz.x - col);
-+ height = MIN(height, screensz.y - row);
-+ graphics_get_font_size(&fontsz);
-+
-+ blsz.x = width * fontsz.x;
-+ blsz.y = height * fontsz.y;
-+
-+ bltbuf = alloc_bltbuf(blsz.x, blsz.y);
-+ if (!bltbuf)
-+ return;
-+
-+ blsz.x = col * fontsz.x;
-+ blsz.y = row * fontsz.y;
-+
-+ text = graphics_get_text_buf();
-+ bltbuf_draw_bg(backend, bltbuf, blsz);
-+
-+ if (draw_text) {
-+ blsz.x = width;
-+ blsz.y = height;
-+ blpos.x = col;
-+ blpos.y = row;
-+
-+ bltbuf_draw_text(backend, bltbuf, screensz, fontsz, blpos, blsz);
-+ }
-+
-+ blpos.x = col * fontsz.x;
-+ blpos.y = row * fontsz.y;
-+
-+ blt_to_screen_pos(uga, bltbuf, &blpos);
-+}
-+
-+static void
-+setup_cga_palette(void)
-+{
-+/*
-+ * Nov 27 15:53:19 <pjones> ping?
-+ * Nov 27 15:54:13 <ajax> pong?
-+ * Nov 27 15:54:16 <pjones> say I've got a color channel in 6 bits, and it's
-+ * stored in an 8-bit value. let's call it white.
-+ * now let's say I've got hardware with 8 bits per
-+ * channel that I'm blitting to. What's the right
-+ * way to expand 0x3f to 0xff?
-+ * Nov 27 15:55:17 <pjones> (my naive idea, which I haven't tried yet, is
-+ * "x <<= 2; if (x) x |= 3;")
-+ * Nov 27 15:55:35 <ajax> no.
-+ * Nov 27 15:55:43 <pjones> yeah, figured I'd ask instead of doing that.
-+ * Nov 27 15:56:15 <ajax> x <<= 2; x |= ((x & 0xc0) >> 6);
-+ */
-+ int i;
-+ for (i = 0; i < n_cga_colors; i++) {
-+ grub_efi_uga_pixel_t *pixel = &cga_colors[i];
-+
-+ if ((pixel->red | pixel->green | pixel->blue) & 0xc0)
-+ continue;
-+ pixel->red <<= 2;
-+ pixel->red |= ((pixel->red & 0xc0) >> 6);
-+ pixel->red &= 0xff;
-+ pixel->green <<= 2;
-+ pixel->green |= ((pixel->green & 0xc0) >> 6);
-+ pixel->green &= 0xff;
-+ pixel->blue <<= 2;
-+ pixel->blue |= ((pixel->blue & 0xc0) >> 6);
-+ pixel->blue &= 0xff;
-+ }
-+}
-+
-+static int
-+try_enable(struct graphics_backend *backend)
-+{
-+ struct uga *uga = backend->priv;
-+ struct video_mode modes[] = {
-+ { 1440, 900, 32, 60 },
-+ { 640, 480, 32, 60 },
-+ { 800, 600, 32, 60 },
-+ { 640, 480, 16, 60 },
-+ { 800, 600, 16, 60 },
-+ { 640, 480, 8, 60 },
-+ { 800, 600, 8, 60 }
-+ };
-+ struct video_mode mode;
-+ position_t font_size;
-+ int i;
-+
-+ if (uga->text_mode.horizontal_resolution == 0) {
-+ grub_efi_set_text_mode(1);
-+ save_video_mode(uga, &uga->text_mode);
-+ }
-+
-+ if (uga->graphics_mode.horizontal_resolution == 0) {
-+ grub_efi_set_text_mode(0);
-+ save_video_mode(uga, &uga->graphics_mode);
-+
-+ if (cmp_video_modes(&uga->graphics_mode, &modes[0]) >= 0) {
-+ uga->current_mode = GRAPHICS;
-+ graphics_alloc_text_buf();
-+ return 1;
-+ }
-+ for (i = 0; i < sizeof (modes) / sizeof (modes[0]); i++) {
-+ set_video_mode(uga, &modes[i]);
-+ save_video_mode(uga, &mode);
-+ if (!cmp_video_modes(&modes[i], &mode)) {
-+ grub_memmove(&uga->graphics_mode, &mode, sizeof (mode));
-+ uga->current_mode = GRAPHICS;
-+ graphics_alloc_text_buf();
-+ return 1;
-+ }
-+ }
-+ set_video_mode(uga, &uga->graphics_mode);
-+ save_video_mode(uga, &mode);
-+ if (!cmp_video_modes(&uga->graphics_mode, &mode)) {
-+ uga->current_mode = GRAPHICS;
-+ graphics_alloc_text_buf();
-+ return 1;
-+ }
-+ grub_efi_set_text_mode(1);
-+ return 0;
-+ }
-+ set_video_mode(uga, &uga->graphics_mode);
-+
-+ uga->current_mode = GRAPHICS;
-+ return 1;
-+}
-+
-+static int
-+enable(struct graphics_backend *backend)
-+{
-+ struct uga *uga = backend->priv;
-+ grub_efi_handle_t *handle, *handles;
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_pci_io_t *pci_proto;
-+ int i;
-+
-+ if (uga) {
-+ if (uga->current_mode == GRAPHICS) {
-+ return 1;
-+ }
-+ } else {
-+ if (!(uga = grub_malloc(sizeof (*uga)))) {
-+ return 0;
-+ }
-+ grub_memset(uga, '\0', sizeof (*uga));
-+
-+ uga->current_mode = TEXT;
-+
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL,
-+ &draw_guid, NULL, &num_handles);
-+
-+ if (!num_handles || !handles)
-+ {
-+ grub_free(uga);
-+ return 0;
-+ }
-+
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ pci_proto = grub_efi_open_protocol (*handle, &pci_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (!pci_proto)
-+ continue;
-+
-+ uga->draw_intf = grub_efi_open_protocol (*handle, &draw_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (uga->draw_intf)
-+ {
-+ grub_efi_setup_gfx_pci(*handle);
-+ break;
-+ }
-+ }
-+
-+ grub_free(handles);
-+
-+ if (!uga->draw_intf)
-+ uga->draw_intf = grub_efi_locate_protocol(&draw_guid, NULL);
-+
-+ if (!uga->draw_intf) {
-+ grub_free(uga);
-+ return 0;
-+ }
-+ grub_memset(&uga->graphics_mode, '\0', sizeof (uga->graphics_mode));
-+ grub_memset(&uga->text_mode, '\0', sizeof (uga->text_mode));
-+ backend->priv = uga;
-+
-+ setup_cga_palette();
-+ for (i = 0; i < n_cga_colors; i++) {
-+ uga->palette[i].red = cga_colors[i].red;
-+ uga->palette[i].green = cga_colors[i].green;
-+ uga->palette[i].blue = cga_colors[i].blue;
-+ }
-+ }
-+
-+ if (try_enable(backend)) {
-+ reset_screen_geometry(backend);
-+ return 1;
-+ }
-+
-+ backend->priv = NULL;
-+ grub_free(uga);
-+ return 0;
-+}
-+
-+static void disable(struct graphics_backend *backend)
-+{
-+ struct uga *uga;
-+
-+ if (!backend)
-+ return;
-+
-+ uga = backend->priv;
-+ if (!uga || uga->current_mode != GRAPHICS)
-+ return;
-+
-+#if 0
-+ blank(backend);
-+
-+ set_video_mode(uga, &uga->text_mode);
-+ grub_efi_set_text_mode(1);
-+#endif
-+ uga->current_mode = TEXT;
-+}
-+
-+struct graphics_backend uga_backend = {
-+ .name = "uga",
-+ .enable = enable,
-+ .disable = disable,
-+ .set_kernel_params = set_kernel_params,
-+ .clbl = clbl,
-+ .set_palette = set_palette,
-+ .get_pixel_idx = get_pixel_idx,
-+ .get_pixel_rgb = get_pixel_rgb,
-+ .draw_pixel = draw_pixel,
-+ .reset_screen_geometry = reset_screen_geometry,
-+ .get_screen_size = get_screen_size,
-+ .getxy = uga_getxy,
-+ .setxy = setxy,
-+ .gotoxy = NULL,
-+ .cursor = cursor,
-+};
-+
-+#endif /* SUPPORT_GRAPHICS */
-diff --git a/efi/font_8x16.c b/efi/font_8x16.c
-new file mode 100644
-index 0000000..94829ec
---- /dev/null
-+++ b/efi/font_8x16.c
-@@ -0,0 +1,4638 @@
-+/* font_8x16.c - 8x16 font for GRUB/EFI */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copied from Linux kernel drivers/video/console/font_8x16.c,
-+ * which is generated by cpi2fnt.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+#define FONTDATAMAX 4096
-+
-+const unsigned char font8x16[FONTDATAMAX] = {
-+
-+ /* 0 0x00 '^@' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 1 0x01 '^A' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x81, /* 10000001 */
-+ 0xa5, /* 10100101 */
-+ 0x81, /* 10000001 */
-+ 0x81, /* 10000001 */
-+ 0xbd, /* 10111101 */
-+ 0x99, /* 10011001 */
-+ 0x81, /* 10000001 */
-+ 0x81, /* 10000001 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 2 0x02 '^B' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0xff, /* 11111111 */
-+ 0xdb, /* 11011011 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xc3, /* 11000011 */
-+ 0xe7, /* 11100111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 3 0x03 '^C' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x6c, /* 01101100 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0x7c, /* 01111100 */
-+ 0x38, /* 00111000 */
-+ 0x10, /* 00010000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 4 0x04 '^D' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x7c, /* 01111100 */
-+ 0xfe, /* 11111110 */
-+ 0x7c, /* 01111100 */
-+ 0x38, /* 00111000 */
-+ 0x10, /* 00010000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 5 0x05 '^E' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0xe7, /* 11100111 */
-+ 0xe7, /* 11100111 */
-+ 0xe7, /* 11100111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 6 0x06 '^F' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x7e, /* 01111110 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 7 0x07 '^G' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 8 0x08 '^H' */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xe7, /* 11100111 */
-+ 0xc3, /* 11000011 */
-+ 0xc3, /* 11000011 */
-+ 0xe7, /* 11100111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+
-+ /* 9 0x09 '^I' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x42, /* 01000010 */
-+ 0x42, /* 01000010 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 10 0x0a '^J' */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xc3, /* 11000011 */
-+ 0x99, /* 10011001 */
-+ 0xbd, /* 10111101 */
-+ 0xbd, /* 10111101 */
-+ 0x99, /* 10011001 */
-+ 0xc3, /* 11000011 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+
-+ /* 11 0x0b '^K' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1e, /* 00011110 */
-+ 0x0e, /* 00001110 */
-+ 0x1a, /* 00011010 */
-+ 0x32, /* 00110010 */
-+ 0x78, /* 01111000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 12 0x0c '^L' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 13 0x0d '^M' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3f, /* 00111111 */
-+ 0x33, /* 00110011 */
-+ 0x3f, /* 00111111 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x70, /* 01110000 */
-+ 0xf0, /* 11110000 */
-+ 0xe0, /* 11100000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 14 0x0e '^N' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7f, /* 01111111 */
-+ 0x63, /* 01100011 */
-+ 0x7f, /* 01111111 */
-+ 0x63, /* 01100011 */
-+ 0x63, /* 01100011 */
-+ 0x63, /* 01100011 */
-+ 0x63, /* 01100011 */
-+ 0x67, /* 01100111 */
-+ 0xe7, /* 11100111 */
-+ 0xe6, /* 11100110 */
-+ 0xc0, /* 11000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 15 0x0f '^O' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xdb, /* 11011011 */
-+ 0x3c, /* 00111100 */
-+ 0xe7, /* 11100111 */
-+ 0x3c, /* 00111100 */
-+ 0xdb, /* 11011011 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 16 0x10 '^P' */
-+ 0x00, /* 00000000 */
-+ 0x80, /* 10000000 */
-+ 0xc0, /* 11000000 */
-+ 0xe0, /* 11100000 */
-+ 0xf0, /* 11110000 */
-+ 0xf8, /* 11111000 */
-+ 0xfe, /* 11111110 */
-+ 0xf8, /* 11111000 */
-+ 0xf0, /* 11110000 */
-+ 0xe0, /* 11100000 */
-+ 0xc0, /* 11000000 */
-+ 0x80, /* 10000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 17 0x11 '^Q' */
-+ 0x00, /* 00000000 */
-+ 0x02, /* 00000010 */
-+ 0x06, /* 00000110 */
-+ 0x0e, /* 00001110 */
-+ 0x1e, /* 00011110 */
-+ 0x3e, /* 00111110 */
-+ 0xfe, /* 11111110 */
-+ 0x3e, /* 00111110 */
-+ 0x1e, /* 00011110 */
-+ 0x0e, /* 00001110 */
-+ 0x06, /* 00000110 */
-+ 0x02, /* 00000010 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 18 0x12 '^R' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 19 0x13 '^S' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 20 0x14 '^T' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7f, /* 01111111 */
-+ 0xdb, /* 11011011 */
-+ 0xdb, /* 11011011 */
-+ 0xdb, /* 11011011 */
-+ 0x7b, /* 01111011 */
-+ 0x1b, /* 00011011 */
-+ 0x1b, /* 00011011 */
-+ 0x1b, /* 00011011 */
-+ 0x1b, /* 00011011 */
-+ 0x1b, /* 00011011 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 21 0x15 '^U' */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0x60, /* 01100000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x0c, /* 00001100 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 22 0x16 '^V' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 23 0x17 '^W' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 24 0x18 '^X' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 25 0x19 '^Y' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 26 0x1a '^Z' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0xfe, /* 11111110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 27 0x1b '^[' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xfe, /* 11111110 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 28 0x1c '^\' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 29 0x1d '^]' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x28, /* 00101000 */
-+ 0x6c, /* 01101100 */
-+ 0xfe, /* 11111110 */
-+ 0x6c, /* 01101100 */
-+ 0x28, /* 00101000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 30 0x1e '^^' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x38, /* 00111000 */
-+ 0x7c, /* 01111100 */
-+ 0x7c, /* 01111100 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 31 0x1f '^_' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0x7c, /* 01111100 */
-+ 0x7c, /* 01111100 */
-+ 0x38, /* 00111000 */
-+ 0x38, /* 00111000 */
-+ 0x10, /* 00010000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 32 0x20 ' ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 33 0x21 '!' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 34 0x22 '"' */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x24, /* 00100100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 35 0x23 '#' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0xfe, /* 11111110 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0xfe, /* 11111110 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 36 0x24 '$' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc2, /* 11000010 */
-+ 0xc0, /* 11000000 */
-+ 0x7c, /* 01111100 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x86, /* 10000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 37 0x25 '%' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc2, /* 11000010 */
-+ 0xc6, /* 11000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc6, /* 11000110 */
-+ 0x86, /* 10000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 38 0x26 '&' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 39 0x27 ''' */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 40 0x28 '(' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 41 0x29 ')' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 42 0x2a '*' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0xff, /* 11111111 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 43 0x2b '+' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 44 0x2c ',' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 45 0x2d '-' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 46 0x2e '.' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 47 0x2f '/' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x02, /* 00000010 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0x80, /* 10000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 48 0x30 '0' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 49 0x31 '1' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x38, /* 00111000 */
-+ 0x78, /* 01111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 50 0x32 '2' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 51 0x33 '3' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x3c, /* 00111100 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 52 0x34 '4' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x0c, /* 00001100 */
-+ 0x1c, /* 00011100 */
-+ 0x3c, /* 00111100 */
-+ 0x6c, /* 01101100 */
-+ 0xcc, /* 11001100 */
-+ 0xfe, /* 11111110 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x1e, /* 00011110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 53 0x35 '5' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xfc, /* 11111100 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 54 0x36 '6' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xfc, /* 11111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 55 0x37 '7' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 56 0x38 '8' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 57 0x39 '9' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7e, /* 01111110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 58 0x3a ':' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 59 0x3b ';' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 60 0x3c '<' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x06, /* 00000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 61 0x3d '=' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 62 0x3e '>' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 63 0x3f '?' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 64 0x40 '@' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xde, /* 11011110 */
-+ 0xde, /* 11011110 */
-+ 0xde, /* 11011110 */
-+ 0xdc, /* 11011100 */
-+ 0xc0, /* 11000000 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 65 0x41 'A' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 66 0x42 'B' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfc, /* 11111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0xfc, /* 11111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 67 0x43 'C' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0xc2, /* 11000010 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc2, /* 11000010 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 68 0x44 'D' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xf8, /* 11111000 */
-+ 0x6c, /* 01101100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x6c, /* 01101100 */
-+ 0xf8, /* 11111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 69 0x45 'E' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x66, /* 01100110 */
-+ 0x62, /* 01100010 */
-+ 0x68, /* 01101000 */
-+ 0x78, /* 01111000 */
-+ 0x68, /* 01101000 */
-+ 0x60, /* 01100000 */
-+ 0x62, /* 01100010 */
-+ 0x66, /* 01100110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 70 0x46 'F' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x66, /* 01100110 */
-+ 0x62, /* 01100010 */
-+ 0x68, /* 01101000 */
-+ 0x78, /* 01111000 */
-+ 0x68, /* 01101000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xf0, /* 11110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 71 0x47 'G' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0xc2, /* 11000010 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xde, /* 11011110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x66, /* 01100110 */
-+ 0x3a, /* 00111010 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 72 0x48 'H' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 73 0x49 'I' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 74 0x4a 'J' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1e, /* 00011110 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 75 0x4b 'K' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xe6, /* 11100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x6c, /* 01101100 */
-+ 0x78, /* 01111000 */
-+ 0x78, /* 01111000 */
-+ 0x6c, /* 01101100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0xe6, /* 11100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 76 0x4c 'L' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xf0, /* 11110000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x62, /* 01100010 */
-+ 0x66, /* 01100110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 77 0x4d 'M' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xee, /* 11101110 */
-+ 0xfe, /* 11111110 */
-+ 0xfe, /* 11111110 */
-+ 0xd6, /* 11010110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 78 0x4e 'N' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xe6, /* 11100110 */
-+ 0xf6, /* 11110110 */
-+ 0xfe, /* 11111110 */
-+ 0xde, /* 11011110 */
-+ 0xce, /* 11001110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 79 0x4f 'O' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 80 0x50 'P' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfc, /* 11111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xf0, /* 11110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 81 0x51 'Q' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xd6, /* 11010110 */
-+ 0xde, /* 11011110 */
-+ 0x7c, /* 01111100 */
-+ 0x0c, /* 00001100 */
-+ 0x0e, /* 00001110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 82 0x52 'R' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfc, /* 11111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x6c, /* 01101100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0xe6, /* 11100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 83 0x53 'S' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x60, /* 01100000 */
-+ 0x38, /* 00111000 */
-+ 0x0c, /* 00001100 */
-+ 0x06, /* 00000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 84 0x54 'T' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x5a, /* 01011010 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 85 0x55 'U' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 86 0x56 'V' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x10, /* 00010000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 87 0x57 'W' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xfe, /* 11111110 */
-+ 0xee, /* 11101110 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 88 0x58 'X' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x7c, /* 01111100 */
-+ 0x38, /* 00111000 */
-+ 0x38, /* 00111000 */
-+ 0x7c, /* 01111100 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 89 0x59 'Y' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 90 0x5a 'Z' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0x86, /* 10000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc2, /* 11000010 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 91 0x5b '[' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 92 0x5c '\' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x80, /* 10000000 */
-+ 0xc0, /* 11000000 */
-+ 0xe0, /* 11100000 */
-+ 0x70, /* 01110000 */
-+ 0x38, /* 00111000 */
-+ 0x1c, /* 00011100 */
-+ 0x0e, /* 00001110 */
-+ 0x06, /* 00000110 */
-+ 0x02, /* 00000010 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 93 0x5d ']' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 94 0x5e '^' */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 95 0x5f '_' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 96 0x60 '`' */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 97 0x61 'a' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 98 0x62 'b' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xe0, /* 11100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x78, /* 01111000 */
-+ 0x6c, /* 01101100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 99 0x63 'c' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 100 0x64 'd' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1c, /* 00011100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x3c, /* 00111100 */
-+ 0x6c, /* 01101100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 101 0x65 'e' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 102 0x66 'f' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1c, /* 00011100 */
-+ 0x36, /* 00110110 */
-+ 0x32, /* 00110010 */
-+ 0x30, /* 00110000 */
-+ 0x78, /* 01111000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 103 0x67 'g' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x7c, /* 01111100 */
-+ 0x0c, /* 00001100 */
-+ 0xcc, /* 11001100 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 104 0x68 'h' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xe0, /* 11100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x6c, /* 01101100 */
-+ 0x76, /* 01110110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0xe6, /* 11100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 105 0x69 'i' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 106 0x6a 'j' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x00, /* 00000000 */
-+ 0x0e, /* 00001110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+
-+ /* 107 0x6b 'k' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xe0, /* 11100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x66, /* 01100110 */
-+ 0x6c, /* 01101100 */
-+ 0x78, /* 01111000 */
-+ 0x78, /* 01111000 */
-+ 0x6c, /* 01101100 */
-+ 0x66, /* 01100110 */
-+ 0xe6, /* 11100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 108 0x6c 'l' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 109 0x6d 'm' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xec, /* 11101100 */
-+ 0xfe, /* 11111110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 110 0x6e 'n' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xdc, /* 11011100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 111 0x6f 'o' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 112 0x70 'p' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xdc, /* 11011100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xf0, /* 11110000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 113 0x71 'q' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x7c, /* 01111100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x1e, /* 00011110 */
-+ 0x00, /* 00000000 */
-+
-+ /* 114 0x72 'r' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xdc, /* 11011100 */
-+ 0x76, /* 01110110 */
-+ 0x66, /* 01100110 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xf0, /* 11110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 115 0x73 's' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0x60, /* 01100000 */
-+ 0x38, /* 00111000 */
-+ 0x0c, /* 00001100 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 116 0x74 't' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0xfc, /* 11111100 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x36, /* 00110110 */
-+ 0x1c, /* 00011100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 117 0x75 'u' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 118 0x76 'v' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 119 0x77 'w' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xd6, /* 11010110 */
-+ 0xfe, /* 11111110 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 120 0x78 'x' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x38, /* 00111000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 121 0x79 'y' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7e, /* 01111110 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0xf8, /* 11111000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 122 0x7a 'z' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xcc, /* 11001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 123 0x7b '{' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x0e, /* 00001110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x70, /* 01110000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x0e, /* 00001110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 124 0x7c '|' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 125 0x7d '}' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x70, /* 01110000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x0e, /* 00001110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 126 0x7e '~' */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 127 0x7f '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 128 0x80 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0xc2, /* 11000010 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc2, /* 11000010 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 129 0x81 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 130 0x82 '' */
-+ 0x00, /* 00000000 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 131 0x83 '' */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 132 0x84 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 133 0x85 '
' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 134 0x86 '' */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 135 0x87 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x18, /* 00011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 136 0x88 '' */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 137 0x89 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 138 0x8a '' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 139 0x8b '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 140 0x8c '' */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 141 0x8d '' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 142 0x8e '' */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 143 0x8f '' */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 144 0x90 '' */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x66, /* 01100110 */
-+ 0x62, /* 01100010 */
-+ 0x68, /* 01101000 */
-+ 0x78, /* 01111000 */
-+ 0x68, /* 01101000 */
-+ 0x62, /* 01100010 */
-+ 0x66, /* 01100110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 145 0x91 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xec, /* 11101100 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x7e, /* 01111110 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0x6e, /* 01101110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 146 0x92 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3e, /* 00111110 */
-+ 0x6c, /* 01101100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xfe, /* 11111110 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xce, /* 11001110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 147 0x93 '' */
-+ 0x00, /* 00000000 */
-+ 0x10, /* 00010000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 148 0x94 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 149 0x95 '' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 150 0x96 '' */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x78, /* 01111000 */
-+ 0xcc, /* 11001100 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 151 0x97 '' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 152 0x98 '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7e, /* 01111110 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x78, /* 01111000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 153 0x99 '' */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 154 0x9a '' */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 155 0x9b '' */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 156 0x9c '' */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x64, /* 01100100 */
-+ 0x60, /* 01100000 */
-+ 0xf0, /* 11110000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xe6, /* 11100110 */
-+ 0xfc, /* 11111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 157 0x9d '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 158 0x9e '' */
-+ 0x00, /* 00000000 */
-+ 0xf8, /* 11111000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xf8, /* 11111000 */
-+ 0xc4, /* 11000100 */
-+ 0xcc, /* 11001100 */
-+ 0xde, /* 11011110 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 159 0x9f '' */
-+ 0x00, /* 00000000 */
-+ 0x0e, /* 00001110 */
-+ 0x1b, /* 00011011 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xd8, /* 11011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 160 0xa0 ' ' */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0x0c, /* 00001100 */
-+ 0x7c, /* 01111100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 161 0xa1 '¡' */
-+ 0x00, /* 00000000 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 162 0xa2 '¢' */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 163 0xa3 '£' */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x00, /* 00000000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 164 0xa4 '€' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x00, /* 00000000 */
-+ 0xdc, /* 11011100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 165 0xa5 '¥' */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x00, /* 00000000 */
-+ 0xc6, /* 11000110 */
-+ 0xe6, /* 11100110 */
-+ 0xf6, /* 11110110 */
-+ 0xfe, /* 11111110 */
-+ 0xde, /* 11011110 */
-+ 0xce, /* 11001110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 166 0xa6 'Š' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x3e, /* 00111110 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 167 0xa7 '§' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 168 0xa8 'š' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x7c, /* 01111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 169 0xa9 '©' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 170 0xaa 'ª' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 171 0xab '«' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0xe0, /* 11100000 */
-+ 0x62, /* 01100010 */
-+ 0x66, /* 01100110 */
-+ 0x6c, /* 01101100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xdc, /* 11011100 */
-+ 0x86, /* 10000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x3e, /* 00111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 172 0xac '¬' */
-+ 0x00, /* 00000000 */
-+ 0x60, /* 01100000 */
-+ 0xe0, /* 11100000 */
-+ 0x62, /* 01100010 */
-+ 0x66, /* 01100110 */
-+ 0x6c, /* 01101100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x66, /* 01100110 */
-+ 0xce, /* 11001110 */
-+ 0x9a, /* 10011010 */
-+ 0x3f, /* 00111111 */
-+ 0x06, /* 00000110 */
-+ 0x06, /* 00000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 173 0xad '' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 174 0xae '®' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x36, /* 00110110 */
-+ 0x6c, /* 01101100 */
-+ 0xd8, /* 11011000 */
-+ 0x6c, /* 01101100 */
-+ 0x36, /* 00110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 175 0xaf '¯' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xd8, /* 11011000 */
-+ 0x6c, /* 01101100 */
-+ 0x36, /* 00110110 */
-+ 0x6c, /* 01101100 */
-+ 0xd8, /* 11011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 176 0xb0 '°' */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+ 0x11, /* 00010001 */
-+ 0x44, /* 01000100 */
-+
-+ /* 177 0xb1 '±' */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+ 0x55, /* 01010101 */
-+ 0xaa, /* 10101010 */
-+
-+ /* 178 0xb2 '²' */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+ 0xdd, /* 11011101 */
-+ 0x77, /* 01110111 */
-+
-+ /* 179 0xb3 '³' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 180 0xb4 'Ž' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 181 0xb5 'µ' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 182 0xb6 '¶' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xf6, /* 11110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 183 0xb7 '·' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 184 0xb8 'ž' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 185 0xb9 '¹' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xf6, /* 11110110 */
-+ 0x06, /* 00000110 */
-+ 0xf6, /* 11110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 186 0xba 'º' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 187 0xbb '»' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x06, /* 00000110 */
-+ 0xf6, /* 11110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 188 0xbc 'Œ' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xf6, /* 11110110 */
-+ 0x06, /* 00000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 189 0xbd 'œ' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 190 0xbe 'Ÿ' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 191 0xbf '¿' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xf8, /* 11111000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 192 0xc0 'À' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 193 0xc1 'Á' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 194 0xc2 'Â' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 195 0xc3 'Ã' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 196 0xc4 'Ä' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 197 0xc5 'Å' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xff, /* 11111111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 198 0xc6 'Æ' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 199 0xc7 'Ç' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x37, /* 00110111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 200 0xc8 'È' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x37, /* 00110111 */
-+ 0x30, /* 00110000 */
-+ 0x3f, /* 00111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 201 0xc9 'É' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3f, /* 00111111 */
-+ 0x30, /* 00110000 */
-+ 0x37, /* 00110111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 202 0xca 'Ê' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xf7, /* 11110111 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 203 0xcb 'Ë' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0xf7, /* 11110111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 204 0xcc 'Ì' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x37, /* 00110111 */
-+ 0x30, /* 00110000 */
-+ 0x37, /* 00110111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 205 0xcd 'Í' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 206 0xce 'Î' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xf7, /* 11110111 */
-+ 0x00, /* 00000000 */
-+ 0xf7, /* 11110111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 207 0xcf 'Ï' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 208 0xd0 'Ð' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 209 0xd1 'Ñ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 210 0xd2 'Ò' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 211 0xd3 'Ó' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x3f, /* 00111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 212 0xd4 'Ô' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 213 0xd5 'Õ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 214 0xd6 'Ö' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x3f, /* 00111111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 215 0xd7 '×' */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0xff, /* 11111111 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+
-+ /* 216 0xd8 'Ø' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xff, /* 11111111 */
-+ 0x18, /* 00011000 */
-+ 0xff, /* 11111111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 217 0xd9 'Ù' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xf8, /* 11111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 218 0xda 'Ú' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1f, /* 00011111 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 219 0xdb 'Û' */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+
-+ /* 220 0xdc 'Ü' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+
-+ /* 221 0xdd 'Ý' */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+ 0xf0, /* 11110000 */
-+
-+ /* 222 0xde 'Þ' */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+ 0x0f, /* 00001111 */
-+
-+ /* 223 0xdf 'ß' */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0xff, /* 11111111 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 224 0xe0 'à' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xdc, /* 11011100 */
-+ 0x76, /* 01110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 225 0xe1 'á' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x78, /* 01111000 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xcc, /* 11001100 */
-+ 0xd8, /* 11011000 */
-+ 0xcc, /* 11001100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xcc, /* 11001100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 226 0xe2 'â' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0xc0, /* 11000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 227 0xe3 'ã' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 228 0xe4 'ä' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 229 0xe5 'å' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 230 0xe6 'æ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x7c, /* 01111100 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 231 0xe7 'ç' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 232 0xe8 'è' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 233 0xe9 'é' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xfe, /* 11111110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 234 0xea 'ê' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0xee, /* 11101110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 235 0xeb 'ë' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1e, /* 00011110 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x3e, /* 00111110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x66, /* 01100110 */
-+ 0x3c, /* 00111100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 236 0xec 'ì' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0xdb, /* 11011011 */
-+ 0xdb, /* 11011011 */
-+ 0xdb, /* 11011011 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 237 0xed 'í' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x03, /* 00000011 */
-+ 0x06, /* 00000110 */
-+ 0x7e, /* 01111110 */
-+ 0xdb, /* 11011011 */
-+ 0xdb, /* 11011011 */
-+ 0xf3, /* 11110011 */
-+ 0x7e, /* 01111110 */
-+ 0x60, /* 01100000 */
-+ 0xc0, /* 11000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 238 0xee 'î' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x1c, /* 00011100 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x7c, /* 01111100 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x1c, /* 00011100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 239 0xef 'ï' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7c, /* 01111100 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0xc6, /* 11000110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 240 0xf0 'ð' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0xfe, /* 11111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 241 0xf1 'ñ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x7e, /* 01111110 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 242 0xf2 'ò' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x06, /* 00000110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 243 0xf3 'ó' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x30, /* 00110000 */
-+ 0x60, /* 01100000 */
-+ 0x30, /* 00110000 */
-+ 0x18, /* 00011000 */
-+ 0x0c, /* 00001100 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 244 0xf4 'ô' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x0e, /* 00001110 */
-+ 0x1b, /* 00011011 */
-+ 0x1b, /* 00011011 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+
-+ /* 245 0xf5 'õ' */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0xd8, /* 11011000 */
-+ 0x70, /* 01110000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 246 0xf6 'ö' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 247 0xf7 '÷' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x00, /* 00000000 */
-+ 0x76, /* 01110110 */
-+ 0xdc, /* 11011100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 248 0xf8 'ø' */
-+ 0x00, /* 00000000 */
-+ 0x38, /* 00111000 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x38, /* 00111000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 249 0xf9 'ù' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 250 0xfa 'ú' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x18, /* 00011000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 251 0xfb 'û' */
-+ 0x00, /* 00000000 */
-+ 0x0f, /* 00001111 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0x0c, /* 00001100 */
-+ 0xec, /* 11101100 */
-+ 0x6c, /* 01101100 */
-+ 0x6c, /* 01101100 */
-+ 0x3c, /* 00111100 */
-+ 0x1c, /* 00011100 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 252 0xfc 'ü' */
-+ 0x00, /* 00000000 */
-+ 0x6c, /* 01101100 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x36, /* 00110110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 253 0xfd 'ý' */
-+ 0x00, /* 00000000 */
-+ 0x3c, /* 00111100 */
-+ 0x66, /* 01100110 */
-+ 0x0c, /* 00001100 */
-+ 0x18, /* 00011000 */
-+ 0x32, /* 00110010 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 254 0xfe 'þ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x7e, /* 01111110 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+ /* 255 0xff 'ÿ' */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+ 0x00, /* 00000000 */
-+
-+};
-+
-+#endif
-diff --git a/efi/graphics.c b/efi/graphics.c
-new file mode 100644
-index 0000000..eb98d8a
---- /dev/null
-+++ b/efi/graphics.c
-@@ -0,0 +1,666 @@
-+#ifdef SUPPORT_GRAPHICS
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include <term.h>
-+#include <shared.h>
-+#include <graphics.h>
-+
-+#include "graphics.h"
-+
-+#if 0
-+#include "ugadebug.h"
-+#endif
-+
-+int foreground = 0x00ffffff, background = 0;
-+int graphics_inited = 0;
-+
-+/* Convert a character which is a hex digit to the appropriate integer */
-+int
-+hex (int v)
-+{
-+ if (v >= 'A' && v <= 'F')
-+ return (v - 'A' + 10);
-+ if (v >= 'a' && v <= 'f')
-+ return (v - 'a' + 10);
-+ return (v - '0');
-+}
-+
-+grub_uint16_t
-+grub_console_getwh (void)
-+{
-+ grub_efi_simple_text_output_interface_t *o;
-+ grub_efi_uintn_t columns, rows;
-+
-+ o = grub_efi_system_table->con_out;
-+ if (Call_Service_4 (o->query_mode , o, o->mode->mode, &columns, &rows)
-+ != GRUB_EFI_SUCCESS)
-+ {
-+ /* Why does this fail? */
-+ columns = 80;
-+ rows = 25;
-+ }
-+
-+ return ((columns << 8) | rows);
-+}
-+
-+extern struct graphics_backend uga_backend;
-+extern struct graphics_backend eg_backend;
-+
-+static struct graphics_backend *backends[] = {
-+ &eg_backend,
-+ &uga_backend,
-+ NULL
-+};
-+static struct graphics_backend *backend;
-+
-+struct graphics {
-+ int scroll;
-+ int fontx;
-+ int fonty;
-+
-+ int standard_color;
-+ int normal_color;
-+ int highlight_color;
-+ int current_color;
-+ color_state color_state;
-+
-+ char splashpath[64];
-+ struct xpm *splashimage;
-+
-+ unsigned short *text;
-+};
-+
-+static grub_efi_guid_t device_path_guid = GRUB_EFI_DEVICE_PATH_GUID;
-+static grub_efi_guid_t pci_io_guid = GRUB_EFI_PCI_IO_GUID;
-+static grub_efi_guid_t pci_root_io_guid = GRUB_EFI_PCI_ROOT_IO_GUID;
-+
-+static void
-+grub_efi_configure_pci(grub_efi_handle_t handle)
-+{
-+ grub_efi_device_path_t *path, *parent;
-+ grub_efi_handle_t parent_handle;
-+ grub_efi_pci_io_t *pci_proto;
-+ grub_efi_pci_root_io_t *pci_root_proto;
-+ grub_efi_status_t status;
-+
-+ path = grub_efi_get_device_path(handle);
-+ parent = find_parent_device_path(path);
-+
-+ if (!parent)
-+ return;
-+
-+ status = grub_efi_locate_device_path (&device_path_guid, &parent,
-+ &parent_handle);
-+ if (status != GRUB_EFI_SUCCESS)
-+ return;
-+
-+ pci_proto = grub_efi_open_protocol (parent_handle, &pci_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ pci_root_proto = grub_efi_open_protocol (parent_handle, &pci_root_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+
-+ if (pci_proto || pci_root_proto)
-+ {
-+ if (pci_proto)
-+ {
-+ Call_Service_4 (pci_proto->attributes, pci_proto,
-+ grub_efi_pci_io_attribute_operation_enable,
-+ GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY |
-+ GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_IO |
-+ GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO, NULL);
-+
-+ grub_efi_configure_pci (parent_handle);
-+ }
-+ else
-+ {
-+ grub_uint8_t value = 0x33;
-+ grub_uint16_t vendor;
-+
-+ Call_Service_5 (pci_root_proto->pci.read, pci_root_proto,
-+ grub_efi_pci_io_width_uint16, 0x00, 1, &vendor);
-+
-+ if (vendor == 0x8086) {
-+ Call_Service_5 (pci_root_proto->pci.write, pci_root_proto,
-+ grub_efi_pci_io_width_uint8, 0x91, 1, &value);
-+ Call_Service_5 (pci_root_proto->pci.write, pci_root_proto,
-+ grub_efi_pci_io_width_uint8, 0x92, 1, &value);
-+ }
-+ }
-+ }
-+ grub_free(parent);
-+}
-+
-+void
-+grub_efi_setup_gfx_pci(grub_efi_handle_t handle)
-+{
-+ grub_efi_uint64_t romsize;
-+ grub_efi_uint16_t *header;
-+ void *vrom;
-+ grub_efi_pci_io_t *pci_proto;
-+
-+ pci_proto = grub_efi_open_protocol (handle, &pci_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (!pci_proto)
-+ return;
-+
-+ romsize = pci_proto->rom_size;
-+
-+ if (!romsize || romsize > 65536 || !pci_proto->rom_image)
-+ return;
-+
-+ /* Copy the ROM */
-+ vrom = grub_efi_allocate_runtime_pages(0xc0000, 16);
-+
-+ if (!vrom)
-+ return;
-+
-+ header = vrom;
-+
-+ if (*header == 0xaa55)
-+ return;
-+
-+ grub_efi_configure_pci(handle);
-+
-+ grub_memcpy(vrom, pci_proto->rom_image, romsize);
-+}
-+
-+void
-+graphics_set_kernel_params(struct linux_kernel_params *params)
-+{
-+ params->video_cursor_x = grub_efi_system_table->con_out->mode->cursor_column;
-+ params->video_cursor_y = grub_efi_system_table->con_out->mode->cursor_row;
-+ params->video_page = 0; /* ??? */
-+ params->video_mode = grub_efi_system_table->con_out->mode->mode;
-+ params->video_width = (grub_console_getwh () >> 8);
-+ params->video_ega_bx = 0;
-+ params->video_height = (grub_console_getwh () & 0xff);
-+ params->have_vga = 0;
-+ params->font_size = 16; /* XXX */
-+
-+ /* No VBE. */
-+ params->lfb_width = 0;
-+ params->lfb_height = 0;
-+ params->lfb_depth = 0;
-+ params->lfb_base = 0;
-+ params->lfb_size = 0;
-+ params->lfb_line_len = 0;
-+ params->red_mask_size = 0;
-+ params->red_field_pos = 0;
-+ params->green_mask_size = 0;
-+ params->green_field_pos = 0;
-+ params->blue_mask_size = 0;
-+ params->blue_field_pos = 0;
-+ params->reserved_mask_size = 0;
-+ params->reserved_field_pos = 0;
-+ params->vesapm_segment = 0;
-+ params->vesapm_offset = 0;
-+ params->lfb_pages = 0;
-+ params->vesa_attrib = 0;
-+
-+ if (backend && backend->set_kernel_params)
-+ backend->set_kernel_params(backend, params);
-+}
-+
-+int
-+graphics_alloc_text_buf(void)
-+{
-+ if (backend) {
-+ struct graphics *graphics = backend->graphics;
-+ position_t screen_size;
-+
-+ if (graphics->text) {
-+ grub_free(graphics->text);
-+ graphics->text = NULL;
-+ }
-+ graphics_get_screen_rowscols(&screen_size);
-+ graphics->text = grub_malloc(screen_size.x
-+ * screen_size.y
-+ * sizeof (graphics->text[0]));
-+ if (graphics->text) {
-+ int x, y;
-+ for (y = 0; y < screen_size.y; y++)
-+ for (x = 0; x < screen_size.x; x++)
-+ graphics->text[y * screen_size.x + x] = ' ';
-+ return 1;
-+ }
-+ }
-+ return 0;
-+}
-+
-+unsigned short *
-+graphics_get_text_buf(void)
-+{
-+ return backend ? backend->graphics->text : NULL;
-+ return NULL;
-+}
-+
-+int
-+graphics_get_screen_rowscols(position_t *size)
-+{
-+#if 0
-+ if (backend && backend->get_screen_size) {
-+ backend->get_screen_size(backend, size);
-+ size->x >>= 3;
-+ size->y >>= 4;
-+ return 1;
-+ }
-+ size->x = -1;
-+ size->y = -1;
-+ return 0;
-+#else
-+ size->x = 80;
-+ size->y = 30;
-+ return 1;
-+#endif
-+}
-+
-+int
-+graphics_get_scroll(void)
-+{
-+ return backend ? backend->graphics->scroll : 1;
-+}
-+
-+void
-+graphics_set_palette(int idx, int red, int green, int blue)
-+{
-+ if (backend && backend->set_palette) {
-+ backend->set_palette(backend, idx, red, green, blue);
-+ backend->set_palette(backend, 0, 0x00, 0x00, 0x00);
-+ backend->set_palette(backend, 15, 0xff, 0xff, 0xff);
-+ backend->set_palette(backend, 16, 0x00, 0x00, 0x00);
-+ }
-+}
-+
-+static char splashpath[64] = "";
-+
-+static void
-+graphics_set_splash_helper(void)
-+{
-+ if (backend) {
-+ struct xpm *xpm = NULL;
-+
-+ if (backend->graphics->splashimage)
-+ xpm_free(backend->graphics->splashimage);
-+
-+ if (splashpath[0])
-+ xpm = xpm_open(splashpath);
-+
-+ if (xpm) {
-+ backend->graphics->splashimage = xpm;
-+ grub_strcpy(backend->graphics->splashpath, splashpath);
-+ } else {
-+ backend->graphics->splashimage = NULL;
-+ backend->graphics->splashpath[0] = '\0';
-+ }
-+ backend->reset_screen_geometry(backend);
-+ }
-+}
-+
-+void
-+graphics_set_splash(char *s)
-+{
-+ if (s && s[0] != '\0')
-+ grub_strcpy(splashpath, s);
-+ else
-+ splashpath[0] = '\0';
-+ graphics_set_splash_helper();
-+}
-+
-+char *
-+graphics_get_splash(void)
-+{
-+ if (backend)
-+ return backend->graphics->splashpath;
-+ if (splashpath[0] != '\0')
-+ return splashpath;
-+ return NULL;
-+}
-+
-+struct xpm *
-+graphics_get_splash_xpm(void)
-+{
-+ if (backend)
-+ return backend->graphics->splashimage;
-+ return NULL;
-+}
-+
-+void
-+graphics_putchar(int ch)
-+{
-+ struct graphics *graphics;
-+ position_t screensz;
-+ int offset;
-+
-+ void *old_term = current_term;
-+
-+ if (!backend)
-+ return;
-+
-+ graphics = backend->graphics;
-+ graphics_get_screen_rowscols(&screensz);
-+
-+ ch &= 0xff;
-+
-+ graphics_cursor(0);
-+
-+ if (ch == '\n') {
-+ if (graphics->fonty + 1 < screensz.y) {
-+ graphics_setxy(graphics->fontx, graphics->fonty + 1);
-+ } else
-+ graphics_scroll();
-+ graphics_cursor(1);
-+ return;
-+ } else if (ch == '\r') {
-+ graphics_setxy(0, graphics->fonty);
-+ graphics_cursor(1);
-+ return;
-+ }
-+
-+ graphics_cursor(0);
-+
-+ offset = graphics->fontx + graphics->fonty * screensz.x;
-+ graphics->text[offset] = ch;
-+ graphics->text[offset] &= 0x00ff;
-+ if (graphics->current_color & 0xf0)
-+ graphics->text[offset] |= 0x100;
-+
-+ graphics_cursor(0);
-+
-+ if ((graphics->fontx + 1) >= screensz.x) {
-+ graphics_setxy(0, graphics->fonty);
-+ if (graphics->fonty + 1 < screensz.y)
-+ graphics_setxy(0, graphics->fonty + 1);
-+ else
-+ graphics_scroll();
-+ } else {
-+ graphics_setxy(graphics->fontx + 1, graphics->fonty);
-+ }
-+
-+ graphics_cursor(1);
-+}
-+
-+void
-+graphics_set_font_position(position_t *pos)
-+{
-+ if (backend) {
-+ backend->graphics->fontx = pos->x;
-+ backend->graphics->fonty = pos->y;
-+ }
-+}
-+
-+void
-+graphics_get_font_position(position_t *pos)
-+{
-+ if (backend) {
-+ pos->x = backend->graphics->fontx;
-+ pos->y = backend->graphics->fonty;
-+ return;
-+ }
-+ pos->x = -1;
-+ pos->y = -1;
-+}
-+
-+void
-+graphics_get_font_size(position_t *size)
-+{
-+ size->x = 8;
-+ size->y = 16;
-+}
-+
-+void
-+graphics_setxy(int x, int y)
-+{
-+ if (!backend)
-+ return;
-+
-+ if (backend->setxy) {
-+ position_t pos = {x, y};
-+ backend->setxy(backend, &pos);
-+ return;
-+ }
-+}
-+
-+int
-+graphics_getxy(void)
-+{
-+ int ret = 0;
-+ if (backend) {
-+ if (backend->getxy) {
-+ position_t pos;
-+ backend->getxy(backend, &pos);
-+ ret = ((pos.x & 0xff) << 8) | (pos.y & 0xff);
-+ } else {
-+ ret = ((backend->graphics->fontx & 0xff) << 8) | (backend->graphics->fonty & 0xff);
-+ }
-+ }
-+ return ret;
-+}
-+
-+void
-+graphics_scroll (void)
-+{
-+ struct graphics *graphics;
-+ position_t screensz;
-+ int i;
-+ unsigned short *text;
-+ int linesz;
-+
-+ if (!backend)
-+ return;
-+
-+ graphics = backend->graphics;
-+
-+ /* we don't want to scroll recursively... that would be bad */
-+ if (!graphics->scroll)
-+ return;
-+ graphics->scroll = 0;
-+ graphics_get_screen_rowscols(&screensz);
-+
-+ text = graphics_get_text_buf();
-+ linesz = screensz.x * sizeof (text[0]);
-+ for (i = 1; i < screensz.y; i++) {
-+ unsigned short *prev = &text[(i-1) * screensz.x];
-+ unsigned short *this = prev + screensz.x;
-+
-+ memmove(prev, this, linesz);
-+ prev = this;
-+ this += screensz.x;
-+ }
-+ graphics_setxy(0, screensz.y - 1);
-+ for (i = 0; i < screensz.x; i++) {
-+ graphics_putchar(' ');
-+ //text[(screensz.y-1) + i] = ' ';
-+ }
-+
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 1);
-+ graphics_setxy(0, screensz.y - 1);
-+ graphics->scroll = 1;
-+}
-+
-+void
-+graphics_cursor(int set)
-+{
-+ if (backend && backend->cursor)
-+ backend->cursor(backend, set);
-+}
-+
-+void
-+graphics_gotoxy(int x, int y)
-+{
-+ position_t pos = {x,y};
-+ if (backend) {
-+ if (backend->gotoxy) {
-+ backend->gotoxy(backend, &pos);
-+ } else {
-+ graphics_cursor(0);
-+ graphics_setxy(x, y);
-+ graphics_cursor(1);
-+ }
-+ }
-+}
-+
-+void
-+graphics_cls(void)
-+{
-+ int x = 0, y = 0, xy;
-+ unsigned short *text;
-+ position_t screensz;
-+
-+ graphics_get_screen_rowscols(&screensz);
-+ text = graphics_get_text_buf();
-+ for (y = 0; y < screensz.y; y++)
-+ for (x = 0; x < screensz.x; x++)
-+ text[x + y * screensz.x] = ' ';
-+
-+ if (backend) {
-+ //int xy = graphics_getxy();
-+
-+ graphics_clbl(0, 0, screensz.x, screensz.y, 0);
-+ //graphics_gotoxy(xy & 0xf0 >> 8, xy & 0xf);
-+ graphics_gotoxy(0, 0);
-+ }
-+}
-+
-+void
-+graphics_clbl(int col, int row, int width, int height, int draw_text)
-+{
-+ if (backend) {
-+ int x = 0, y = 0, xy;
-+ unsigned short *text;
-+ position_t screensz;
-+
-+ graphics_get_screen_rowscols(&screensz);
-+
-+#if 0
-+ xy = graphics_getxy();
-+#endif
-+ if (backend->clbl) {
-+ backend->clbl(backend, col, row, width, height, draw_text);
-+ } else {
-+ for (y = 0; y < screensz.y; y++) {
-+ for (x = 0; x < screensz.x; x++) {
-+ graphics_setxy(x, y);
-+ graphics_cursor(0);
-+ }
-+ }
-+ }
-+#if 0
-+ graphics_gotoxy(xy >> 8, xy & 0xf);
-+#endif
-+ }
-+}
-+
-+void
-+graphics_setcolorstate (color_state state)
-+{
-+ struct graphics *graphics;
-+ if (!backend)
-+ return;
-+
-+ graphics = backend->graphics;
-+
-+ switch (state) {
-+ case COLOR_STATE_STANDARD:
-+ graphics->current_color = graphics->standard_color;
-+ break;
-+ case COLOR_STATE_NORMAL:
-+ graphics->current_color = graphics->normal_color;
-+ break;
-+ case COLOR_STATE_HIGHLIGHT:
-+ graphics->current_color = graphics->highlight_color;
-+ break;
-+ default:
-+ graphics->current_color = graphics->standard_color;
-+ break;
-+ }
-+
-+ graphics->color_state = state;
-+}
-+
-+void
-+graphics_setcolor (int normal_color, int highlight_color)
-+{
-+ backend->graphics->normal_color = normal_color;
-+ backend->graphics->highlight_color = highlight_color;
-+
-+ graphics_setcolorstate (backend->graphics->color_state);
-+}
-+
-+int
-+graphics_setcursor(int on)
-+{
-+ /* FIXME: we don't have a cursor in graphics */
-+ return 0;
-+}
-+
-+int
-+graphics_init(void)
-+{
-+ struct graphics *graphics;
-+ int i;
-+
-+ if (graphics_inited)
-+ return 1;
-+
-+ if (backend) {
-+ if (backend->enable(backend)) {
-+ graphics_inited = 1;
-+ graphics_set_splash_helper();
-+ return 1;
-+ }
-+ return 0;
-+ }
-+
-+ graphics = grub_malloc(sizeof (*graphics));
-+ if (!graphics)
-+ return 0;
-+
-+ grub_memset(graphics, '\0', sizeof (*graphics));
-+
-+ graphics->scroll = 1;
-+ graphics->fontx = 0;
-+ graphics->fonty = 0;
-+
-+ graphics->standard_color = A_NORMAL;
-+ graphics->normal_color = A_NORMAL;
-+ graphics->highlight_color = A_REVERSE;
-+ graphics->current_color = A_NORMAL;
-+ graphics->color_state = COLOR_STATE_STANDARD;
-+
-+ grub_memset(graphics->splashpath, '\0', sizeof (graphics->splashpath));
-+
-+ for(i = 0; backends[i] != NULL; i++) {
-+ backend = backends[i];
-+ backend->graphics = graphics;
-+ if (backend->enable(backend)) {
-+ graphics_inited = 1;
-+ graphics_set_splash_helper();
-+ return 1;
-+ }
-+ backend->graphics = NULL;
-+ }
-+ current_term = term_table;
-+ grub_free(graphics->text);
-+ grub_free(graphics);
-+ return 0;
-+}
-+
-+void
-+graphics_end(void)
-+{
-+ if (backend && graphics_inited) {
-+ graphics_inited = 0;
-+ backend->disable(backend);
-+ }
-+}
-+
-+#endif /* SUPPORT_GRAPHICS */
-diff --git a/efi/graphics.h b/efi/graphics.h
-new file mode 100644
-index 0000000..ecf9e0e
---- /dev/null
-+++ b/efi/graphics.h
-@@ -0,0 +1,81 @@
-+#ifndef GRUB_EFI_GRAPHICS_H
-+#define GRUB_EFI_GRAPHICS_H
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+#include <term.h>
-+#include "xpm.h"
-+
-+#define VIDEO_TYPE_EFI 0x70
-+
-+typedef void pixel_t;
-+struct graphics;
-+
-+struct position {
-+ int x;
-+ int y;
-+};
-+typedef struct position position_t;
-+
-+extern void grub_efi_setup_gfx_pci (grub_efi_handle_t handle);
-+
-+extern grub_uint16_t grub_console_getwh (void);
-+extern void graphics_set_kernel_params(struct linux_kernel_params *params);
-+extern void graphics_set_font_position(position_t *pos);
-+extern void graphics_get_font_position(position_t *pos);
-+extern void graphics_get_font_size(position_t *size);
-+extern int graphics_get_screen_rowscols(position_t *size);
-+extern int graphics_alloc_text_buf(void);
-+extern unsigned short *graphics_get_text_buf(void);
-+
-+extern int graphics_get_scroll(void);
-+
-+extern char *graphics_get_splash(void);
-+extern void graphics_setxy(int x, int y);
-+extern void graphics_cls(void);
-+extern void graphics_clbl(int x, int y, int width, int height, int draw_text);
-+extern void graphics_setcolorstate (color_state state);
-+extern void graphics_setcolor (int normal_color, int highlight_color);
-+extern int graphics_setcursor(int on);
-+extern int graphics_init(void);
-+extern void graphics_end(void);
-+extern struct xpm *graphics_get_splash_xpm(void);
-+extern void graphics_cursor(int set);
-+extern void graphics_scroll(void);
-+
-+struct graphics_backend {
-+ char *name;
-+ struct graphics *graphics;
-+ void *priv;
-+
-+ int (*enable)(struct graphics_backend *backend);
-+ void (*disable)(struct graphics_backend *backend);
-+
-+ void (*set_kernel_params)(struct graphics_backend *backend,
-+ struct linux_kernel_params *params);
-+
-+ void (*clbl)(struct graphics_backend *backend, int col, int row,
-+ int width, int height,
-+ int draw_text);
-+
-+ void (*set_palette)(struct graphics_backend *backend,
-+ int idx, int red, int green, int blue);
-+ pixel_t *(*get_pixel_idx)(struct graphics_backend *backend, int idx);
-+ pixel_t *(*get_pixel_rgb)(struct graphics_backend *backend,
-+ int red, int green, int blue);
-+ void (*draw_pixel)(struct graphics_backend *backend,
-+ position_t *pos, pixel_t *pixel);
-+
-+ void (*reset_screen_geometry)(struct graphics_backend *backend);
-+ void (*get_screen_size)(struct graphics_backend *backend, position_t *size);
-+ void (*getxy)(struct graphics_backend *backend, position_t *pos);
-+ void (*setxy)(struct graphics_backend *backend, position_t *pos);
-+ void (*gotoxy)(struct graphics_backend *backend, position_t *pos);
-+ void (*cursor)(struct graphics_backend *backend, int set);
-+// void (*putchar)(struct graphics_backend *backend, int ch);
-+};
-+
-+extern const unsigned char font8x16[];
-+
-+#endif /* SUPPORT_GRAPHCIS */
-+#endif /* GRUB_EFI_GRAPHICS_H */
-diff --git a/efi/grub/.gitignore b/efi/grub/.gitignore
-new file mode 100644
-index 0000000..40a991e
---- /dev/null
-+++ b/efi/grub/.gitignore
-@@ -0,0 +1 @@
-+cpu
-diff --git a/efi/grub/efi/api.h b/efi/grub/efi/api.h
-new file mode 100644
-index 0000000..81a0b3f
---- /dev/null
-+++ b/efi/grub/efi/api.h
-@@ -0,0 +1,1716 @@
-+/* efi.h - declare EFI types and functions */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_EFI_API_HEADER
-+#define GRUB_EFI_API_HEADER 1
-+
-+#include <grub/types.h>
-+#include <grub/efi/eficall.h>
-+
-+/* For consistency and safety, we name the EFI-defined types differently.
-+ All names are transformed into lower case, _t appended, and
-+ grub_efi_ prepended. */
-+
-+/* Constants. */
-+#define GRUB_EFI_EVT_TIMER 0x80000000
-+#define GRUB_EFI_EVT_RUNTIME 0x40000000
-+#define GRUB_EFI_EVT_RUNTIME_CONTEXT 0x20000000
-+#define GRUB_EFI_EVT_NOTIFY_WAIT 0x00000100
-+#define GRUB_EFI_EVT_NOTIFY_SIGNAL 0x00000200
-+#define GRUB_EFI_EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201
-+#define GRUB_EFI_EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202
-+
-+#define GRUB_EFI_TPL_APPLICATION 4
-+#define GRUB_EFI_TPL_CALLBACK 8
-+#define GRUB_EFI_TPL_NOTIFY 16
-+#define GRUB_EFI_TPL_HIGH_LEVEL 31
-+
-+#define GRUB_EFI_MEMORY_UC 0x0000000000000001
-+#define GRUB_EFI_MEMORY_WC 0x0000000000000002
-+#define GRUB_EFI_MEMORY_WT 0x0000000000000004
-+#define GRUB_EFI_MEMORY_WB 0x0000000000000008
-+#define GRUB_EFI_MEMORY_UCE 0x0000000000000010
-+#define GRUB_EFI_MEMORY_WP 0x0000000000001000
-+#define GRUB_EFI_MEMORY_RP 0x0000000000002000
-+#define GRUB_EFI_MEMORY_XP 0x0000000000004000
-+#define GRUB_EFI_MEMORY_RUNTIME 0x8000000000000000
-+
-+#define GRUB_EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
-+#define GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
-+#define GRUB_EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
-+#define GRUB_EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
-+#define GRUB_EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
-+#define GRUB_EFI_OPEN_PROTOCOL_BY_EXCLUSIVE 0x00000020
-+
-+#define GRUB_EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
-+#define GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
-+#define GRUB_EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
-+
-+#define GRUB_EFI_TIME_ADJUST_DAYLIGHT 0x01
-+#define GRUB_EFI_TIME_IN_DAYLIGHT 0x02
-+
-+#define GRUB_EFI_UNSPECIFIED_TIMEZONE 0x07FF
-+
-+#define GRUB_EFI_OPTIONAL_PTR 0x00000001
-+
-+#define GRUB_EFI_PCI_IO_GUID \
-+ { 0x4cf5b200, 0x68b8, 0x4ca5, \
-+ { 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a } \
-+ }
-+
-+#define GRUB_EFI_PCI_ROOT_IO_GUID \
-+ { 0x2F707EBB, 0x4A1A, 0x11d4, \
-+ { 0x9A, 0x38, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D } \
-+ }
-+
-+#define GRUB_EFI_LOADED_IMAGE_GUID \
-+ { 0x5b1b31a1, 0x9562, 0x11d2, \
-+ { 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
-+ }
-+
-+#define GRUB_EFI_DISK_IO_GUID \
-+ { 0xce345171, 0xba0b, 0x11d2, \
-+ { 0x8e, 0x4f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
-+ }
-+
-+#define GRUB_EFI_BLOCK_IO_GUID \
-+ { 0x964e5b21, 0x6459, 0x11d2, \
-+ { 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
-+ }
-+
-+#define GRUB_EFI_DEVICE_PATH_GUID \
-+ { 0x09576e91, 0x6d3f, 0x11d2, \
-+ { 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
-+ }
-+
-+#define GRUB_EFI_DEVICE_PATH_FROM_TEXT_GUID \
-+ { 0x05c99a21, 0xc70f, 0x4ad2, \
-+ { 0x8a, 0x5f, 0x35, 0xdf, 0x33, 0x43, 0xf5, 0x1e } \
-+ }
-+
-+#define GRUB_EFI_GRAPHICS_OUTPUT_GUID \
-+ { 0x9042a9de, 0x23dc, 0x4a38, \
-+ { 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a } \
-+ }
-+
-+#define GRUB_EFI_UGA_DRAW_GUID \
-+ { 0x982c298b, 0xf4fa, 0x41cb, \
-+ { 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 } \
-+ }
-+
-+#define GRUB_EFI_UGA_IO_GUID \
-+ { 0x61a4d49e, 0x6f68, 0x4f1b, \
-+ { 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 } \
-+ }
-+
-+#define GRUB_EFI_SIMPLE_FILE_SYSTEM_GUID \
-+ { 0x964e5b22, 0x6459, 0x11d2, \
-+ { 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
-+ }
-+
-+#define GRUB_EFI_SERIAL_IO_GUID \
-+ { 0xbb25cf6f, 0xf1d4, 0x11d2, \
-+ { 0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3F, 0xc1, 0xfd } \
-+ }
-+
-+/* Enumerations. */
-+enum grub_efi_timer_delay
-+{
-+ GRUB_EFI_TIMER_CANCEL,
-+ GRUB_EFI_TIMER_PERIODIC,
-+ GRUB_EFI_TIMER_RELATIVE
-+};
-+typedef enum grub_efi_timer_delay grub_efi_timer_delay_t;
-+
-+enum grub_efi_allocate_type
-+{
-+ GRUB_EFI_ALLOCATE_ANY_PAGES,
-+ GRUB_EFI_ALLOCATE_MAX_ADDRESS,
-+ GRUB_EFI_ALLOCATE_ADDRESS,
-+ GRUB_EFI_MAX_ALLOCATION_TYPE
-+};
-+typedef enum grub_efi_allocate_type grub_efi_allocate_type_t;
-+
-+enum grub_efi_memory_type
-+{
-+ GRUB_EFI_RESERVED_MEMORY_TYPE,
-+ GRUB_EFI_LOADER_CODE,
-+ GRUB_EFI_LOADER_DATA,
-+ GRUB_EFI_BOOT_SERVICES_CODE,
-+ GRUB_EFI_BOOT_SERVICES_DATA,
-+ GRUB_EFI_RUNTIME_SERVICES_CODE,
-+ GRUB_EFI_RUNTIME_SERVICES_DATA,
-+ GRUB_EFI_CONVENTIONAL_MEMORY,
-+ GRUB_EFI_UNUSABLE_MEMORY,
-+ GRUB_EFI_ACPI_RECLAIM_MEMORY,
-+ GRUB_EFI_ACPI_MEMORY_NVS,
-+ GRUB_EFI_MEMORY_MAPPED_IO,
-+ GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE,
-+ GRUB_EFI_PAL_CODE,
-+ GRUB_EFI_MAX_MEMORY_TYPE
-+};
-+typedef enum grub_efi_memory_type grub_efi_memory_type_t;
-+
-+enum grub_efi_interface_type
-+{
-+ GRUB_EFI_NATIVE_INTERFACE
-+};
-+typedef enum grub_efi_interface_type grub_efi_interface_type_t;
-+
-+enum grub_efi_locate_search_type
-+{
-+ GRUB_EFI_ALL_HANDLES,
-+ GRUB_EFI_BY_REGISTER_NOTIFY,
-+ GRUB_EFI_BY_PROTOCOL
-+};
-+typedef enum grub_efi_locate_search_type grub_efi_locate_search_type_t;
-+
-+enum grub_efi_reset_type
-+{
-+ GRUB_EFI_RESET_COLD,
-+ GRUB_EFI_RESET_WARM,
-+ GRUB_EFI_RESET_SHUTDOWN
-+};
-+typedef enum grub_efi_reset_type grub_efi_reset_type_t;
-+
-+/* Types. */
-+typedef char grub_efi_boolean_t;
-+typedef long grub_efi_intn_t;
-+typedef unsigned long grub_efi_uintn_t;
-+typedef grub_int8_t grub_efi_int8_t;
-+typedef grub_uint8_t grub_efi_uint8_t;
-+typedef grub_int16_t grub_efi_int16_t;
-+typedef grub_uint16_t grub_efi_uint16_t;
-+typedef grub_int32_t grub_efi_int32_t;
-+typedef grub_uint32_t grub_efi_uint32_t;
-+typedef grub_int64_t grub_efi_int64_t;
-+typedef grub_uint64_t grub_efi_uint64_t;
-+typedef grub_uint8_t grub_efi_char8_t;
-+typedef grub_uint16_t grub_efi_char16_t;
-+
-+typedef grub_efi_intn_t grub_efi_status_t;
-+
-+#define GRUB_EFI_ERROR_CODE(value) \
-+ ((1L << (sizeof (grub_efi_status_t) * 8 - 1)) | (value))
-+
-+#define GRUB_EFI_WARNING_CODE(value) (value)
-+
-+#define GRUB_EFI_SUCCESS 0
-+
-+#define GRUB_EFI_LOAD_ERROR GRUB_EFI_ERROR_CODE (1)
-+#define GRUB_EFI_INVALID_PARAMETER GRUB_EFI_ERROR_CODE (2)
-+#define GRUB_EFI_UNSUPPORTED GRUB_EFI_ERROR_CODE (3)
-+#define GRUB_EFI_BAD_BUFFER_SIZE GRUB_EFI_ERROR_CODE (4)
-+#define GRUB_EFI_BUFFER_TOO_SMALL GRUB_EFI_ERROR_CODE (5)
-+#define GRUB_EFI_NOT_READY GRUB_EFI_ERROR_CODE (6)
-+#define GRUB_EFI_DEVICE_ERROR GRUB_EFI_ERROR_CODE (7)
-+#define GRUB_EFI_WRITE_PROTECTED GRUB_EFI_ERROR_CODE (8)
-+#define GRUB_EFI_OUT_OF_RESOURCES GRUB_EFI_ERROR_CODE (9)
-+#define GRUB_EFI_VOLUME_CORRUPTED GRUB_EFI_ERROR_CODE (10)
-+#define GRUB_EFI_VOLUME_FULL GRUB_EFI_ERROR_CODE (11)
-+#define GRUB_EFI_NO_MEDIA GRUB_EFI_ERROR_CODE (12)
-+#define GRUB_EFI_MEDIA_CHANGED GRUB_EFI_ERROR_CODE (13)
-+#define GRUB_EFI_NOT_FOUND GRUB_EFI_ERROR_CODE (14)
-+#define GRUB_EFI_ACCESS_DENIED GRUB_EFI_ERROR_CODE (15)
-+#define GRUB_EFI_NO_RESPONSE GRUB_EFI_ERROR_CODE (16)
-+#define GRUB_EFI_NO_MAPPING GRUB_EFI_ERROR_CODE (17)
-+#define GRUB_EFI_TIMEOUT GRUB_EFI_ERROR_CODE (18)
-+#define GRUB_EFI_NOT_STARTED GRUB_EFI_ERROR_CODE (19)
-+#define GRUB_EFI_ALREADY_STARTED GRUB_EFI_ERROR_CODE (20)
-+#define GRUB_EFI_ABORTED GRUB_EFI_ERROR_CODE (21)
-+#define GRUB_EFI_ICMP_ERROR GRUB_EFI_ERROR_CODE (22)
-+#define GRUB_EFI_TFTP_ERROR GRUB_EFI_ERROR_CODE (23)
-+#define GRUB_EFI_PROTOCOL_ERROR GRUB_EFI_ERROR_CODE (24)
-+#define GRUB_EFI_INCOMPATIBLE_VERSION GRUB_EFI_ERROR_CODE (25)
-+#define GRUB_EFI_SECURITY_VIOLATION GRUB_EFI_ERROR_CODE (26)
-+#define GRUB_EFI_CRC_ERROR GRUB_EFI_ERROR_CODE (27)
-+
-+#define GRUB_EFI_WARN_UNKNOWN_GLYPH GRUB_EFI_WARNING_CODE (1)
-+#define GRUB_EFI_WARN_DELETE_FAILURE GRUB_EFI_WARNING_CODE (2)
-+#define GRUB_EFI_WARN_WRITE_FAILURE GRUB_EFI_WARNING_CODE (3)
-+#define GRUB_EFI_WARN_BUFFER_TOO_SMALL GRUB_EFI_WARNING_CODE (4)
-+
-+typedef void *grub_efi_handle_t;
-+typedef void *grub_efi_event_t;
-+typedef grub_efi_uint64_t grub_efi_lba_t;
-+typedef grub_efi_uintn_t grub_efi_tpl_t;
-+typedef grub_uint8_t grub_efi_mac_address_t[32];
-+typedef grub_uint8_t grub_efi_ipv4_address_t[4];
-+typedef grub_uint16_t grub_efi_ipv6_address_t[8];
-+typedef grub_uint8_t grub_efi_ip_address_t[8] __attribute__ ((aligned (4)));
-+typedef grub_efi_uint64_t grub_efi_physical_address_t;
-+typedef grub_efi_uint64_t grub_efi_virtual_address_t;
-+
-+struct grub_efi_guid
-+{
-+ grub_uint32_t data1;
-+ grub_uint16_t data2;
-+ grub_uint16_t data3;
-+ grub_uint8_t data4[8];
-+} __attribute__ ((aligned (8)));
-+typedef struct grub_efi_guid grub_efi_guid_t;
-+
-+/* XXX although the spec does not specify the padding, this actually
-+ must have the padding! */
-+struct grub_efi_memory_descriptor
-+{
-+ grub_efi_uint32_t type;
-+ grub_efi_uint32_t padding;
-+ grub_efi_physical_address_t physical_start;
-+ grub_efi_virtual_address_t virtual_start;
-+ grub_efi_uint64_t num_pages;
-+ grub_efi_uint64_t attribute;
-+};
-+typedef struct grub_efi_memory_descriptor grub_efi_memory_descriptor_t;
-+
-+/* Device Path definitions. */
-+struct grub_efi_device_path
-+{
-+ grub_efi_uint8_t type;
-+ grub_efi_uint8_t subtype;
-+ grub_efi_uint8_t length[2];
-+};
-+typedef struct grub_efi_device_path grub_efi_device_path_t;
-+/* XXX EFI does not define EFI_DEVICE_PATH_PROTOCOL but uses it.
-+ It seems to be identical to EFI_DEVICE_PATH. */
-+typedef struct grub_efi_device_path grub_efi_device_path_protocol_t;
-+
-+#define GRUB_EFI_DEVICE_PATH_TYPE(dp) ((dp)->type & 0x7f)
-+#define GRUB_EFI_DEVICE_PATH_SUBTYPE(dp) ((dp)->subtype)
-+#define GRUB_EFI_DEVICE_PATH_LENGTH(dp) \
-+ ((dp)->length[0] | ((grub_efi_uint16_t) ((dp)->length[1]) << 8))
-+
-+/* The End of Device Path nodes. */
-+#define GRUB_EFI_END_DEVICE_PATH_TYPE (0xff & 0x7f)
-+
-+#define GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff
-+#define GRUB_EFI_END_THIS_DEVICE_PATH_SUBTYPE 0x01
-+
-+#define GRUB_EFI_END_ENTIRE_DEVICE_PATH(dp) \
-+ (GRUB_EFI_DEVICE_PATH_TYPE (dp) == GRUB_EFI_END_DEVICE_PATH_TYPE \
-+ && (GRUB_EFI_DEVICE_PATH_SUBTYPE (dp) \
-+ == GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE))
-+
-+#define GRUB_EFI_NEXT_DEVICE_PATH(dp) \
-+ ((grub_efi_device_path_t *) ((char *) (dp) \
-+ + GRUB_EFI_DEVICE_PATH_LENGTH (dp)))
-+
-+/* Hardware Device Path. */
-+#define GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE 1
-+
-+#define GRUB_EFI_PCI_DEVICE_PATH_SUBTYPE 1
-+
-+struct grub_efi_pci_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint8_t function;
-+ grub_efi_uint8_t device;
-+};
-+typedef struct grub_efi_pci_device_path grub_efi_pci_device_path_t;
-+
-+#define GRUB_EFI_PCCARD_DEVICE_PATH_SUBTYPE 2
-+
-+struct grub_efi_pccard_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint8_t function;
-+};
-+typedef struct grub_efi_pccard_device_path grub_efi_pccard_device_path_t;
-+
-+#define GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE 3
-+
-+struct grub_efi_memory_mapped_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_memory_type_t memory_type;
-+ grub_efi_physical_address_t start_address;
-+ grub_efi_physical_address_t end_address;
-+};
-+typedef struct grub_efi_memory_mapped_device_path
-+ grub_efi_memory_mapped_device_path_t;
-+
-+#define GRUB_EFI_VENDOR_DEVICE_PATH_SUBTYPE 4
-+
-+struct grub_efi_vendor_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_guid_t vendor_guid;
-+ grub_efi_uint8_t vendor_defined_data[0];
-+};
-+typedef struct grub_efi_vendor_device_path grub_efi_vendor_device_path_t;
-+
-+#define GRUB_EFI_CONTROLLER_DEVICE_PATH_SUBTYPE 5
-+
-+struct grub_efi_controller_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t controller_number;
-+};
-+typedef struct grub_efi_controller_device_path
-+ grub_efi_controller_device_path_t;
-+
-+/* ACPI Device Path. */
-+#define GRUB_EFI_ACPI_DEVICE_PATH_TYPE 2
-+
-+#define GRUB_EFI_ACPI_DEVICE_PATH_SUBTYPE 1
-+
-+struct grub_efi_acpi_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t hid;
-+ grub_efi_uint32_t uid;
-+};
-+typedef struct grub_efi_acpi_device_path grub_efi_acpi_device_path_t;
-+
-+#define GRUB_EFI_EXPANDED_ACPI_DEVICE_PATH_SUBTYPE 2
-+
-+struct grub_efi_expanded_acpi_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t hid;
-+ grub_efi_uint32_t uid;
-+ grub_efi_uint32_t cid;
-+ char hidstr[1];
-+};
-+typedef struct grub_efi_expanded_acpi_device_path
-+ grub_efi_expanded_acpi_device_path_t;
-+
-+#define GRUB_EFI_EXPANDED_ACPI_HIDSTR(dp) \
-+ (((grub_efi_expanded_acpi_device_path_t *) dp)->hidstr)
-+#define GRUB_EFI_EXPANDED_ACPI_UIDSTR(dp) \
-+ (GRUB_EFI_EXPANDED_ACPI_HIDSTR(dp) \
-+ + grub_strlen (GRUB_EFI_EXPANDED_ACPI_HIDSTR(dp)) + 1)
-+#define GRUB_EFI_EXPANDED_ACPI_CIDSTR(dp) \
-+ (GRUB_EFI_EXPANDED_ACPI_UIDSTR(dp) \
-+ + grub_strlen (GRUB_EFI_EXPANDED_ACPI_UIDSTR(dp)) + 1)
-+
-+/* Messaging Device Path. */
-+#define GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE 3
-+
-+#define GRUB_EFI_ATAPI_DEVICE_PATH_SUBTYPE 1
-+
-+struct grub_efi_atapi_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint8_t primary_secondary;
-+ grub_efi_uint8_t slave_master;
-+ grub_efi_uint16_t lun;
-+};
-+typedef struct grub_efi_atapi_device_path grub_efi_atapi_device_path_t;
-+
-+#define GRUB_EFI_SCSI_DEVICE_PATH_SUBTYPE 2
-+
-+struct grub_efi_scsi_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint16_t pun;
-+ grub_efi_uint16_t lun;
-+};
-+typedef struct grub_efi_scsi_device_path grub_efi_scsi_device_path_t;
-+
-+#define GRUB_EFI_FIBRE_CHANNEL_DEVICE_PATH_SUBTYPE 3
-+
-+struct grub_efi_fibre_channel_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t reserved;
-+ grub_efi_uint64_t wwn;
-+ grub_efi_uint64_t lun;
-+};
-+typedef struct grub_efi_fibre_channel_device_path
-+ grub_efi_fibre_channel_device_path_t;
-+
-+#define GRUB_EFI_1394_DEVICE_PATH_SUBTYPE 4
-+
-+struct grub_efi_1394_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t reserved;
-+ grub_efi_uint64_t guid;
-+};
-+typedef struct grub_efi_1394_device_path grub_efi_1394_device_path_t;
-+
-+#define GRUB_EFI_USB_DEVICE_PATH_SUBTYPE 5
-+
-+struct grub_efi_usb_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint8_t parent_port_number;
-+ grub_efi_uint8_t interface;
-+};
-+typedef struct grub_efi_usb_device_path grub_efi_usb_device_path_t;
-+
-+#define GRUB_EFI_USB_CLASS_DEVICE_PATH_SUBTYPE 15
-+
-+struct grub_efi_usb_class_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint16_t vendor_id;
-+ grub_efi_uint16_t product_id;
-+ grub_efi_uint8_t device_class;
-+ grub_efi_uint8_t device_subclass;
-+ grub_efi_uint8_t device_protocol;
-+};
-+typedef struct grub_efi_usb_class_device_path
-+ grub_efi_usb_class_device_path_t;
-+
-+#define GRUB_EFI_I2O_DEVICE_PATH_SUBTYPE 6
-+
-+struct grub_efi_i2o_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t tid;
-+};
-+typedef struct grub_efi_i2o_device_path grub_efi_i2o_device_path_t;
-+
-+#define GRUB_EFI_MAC_ADDRESS_DEVICE_PATH_SUBTYPE 11
-+
-+struct grub_efi_mac_address_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_mac_address_t mac_address;
-+ grub_efi_uint8_t if_type;
-+};
-+typedef struct grub_efi_mac_address_device_path
-+ grub_efi_mac_address_device_path_t;
-+
-+#define GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE 12
-+
-+struct grub_efi_ipv4_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_ipv4_address_t local_ip_address;
-+ grub_efi_ipv4_address_t remote_ip_address;
-+ grub_efi_uint16_t local_port;
-+ grub_efi_uint16_t remote_port;
-+ grub_efi_uint16_t protocol;
-+ grub_efi_uint8_t static_ip_address;
-+};
-+typedef struct grub_efi_ipv4_device_path grub_efi_ipv4_device_path_t;
-+
-+#define GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE 13
-+
-+struct grub_efi_ipv6_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_ipv6_address_t local_ip_address;
-+ grub_efi_ipv6_address_t remote_ip_address;
-+ grub_efi_uint16_t local_port;
-+ grub_efi_uint16_t remote_port;
-+ grub_efi_uint16_t protocol;
-+ grub_efi_uint8_t static_ip_address;
-+};
-+typedef struct grub_efi_ipv6_device_path grub_efi_ipv6_device_path_t;
-+
-+#define GRUB_EFI_INFINIBAND_DEVICE_PATH_SUBTYPE 9
-+
-+struct grub_efi_infiniband_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t resource_flags;
-+ grub_efi_uint8_t port_gid[16];
-+ grub_efi_uint64_t remote_id;
-+ grub_efi_uint64_t target_port_id;
-+ grub_efi_uint64_t device_id;
-+};
-+typedef struct grub_efi_infiniband_device_path
-+ grub_efi_infiniband_device_path_t;
-+
-+#define GRUB_EFI_UART_DEVICE_PATH_SUBTYPE 14
-+
-+struct grub_efi_uart_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t reserved;
-+ grub_efi_uint64_t baud_rate;
-+ grub_efi_uint8_t data_bits;
-+ grub_efi_uint8_t parity;
-+ grub_efi_uint8_t stop_bits;
-+};
-+typedef struct grub_efi_uart_device_path grub_efi_uart_device_path_t;
-+
-+#define GRUB_EFI_VENDOR_MESSAGING_DEVICE_PATH_SUBTYPE 10
-+
-+struct grub_efi_vendor_messaging_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_guid_t vendor_guid;
-+ grub_efi_uint8_t vendor_defined_data[0];
-+};
-+typedef struct grub_efi_vendor_messaging_device_path
-+ grub_efi_vendor_messaging_device_path_t;
-+
-+/* Media Device Path. */
-+#define GRUB_EFI_MEDIA_DEVICE_PATH_TYPE 4
-+
-+#define GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE 1
-+
-+struct grub_efi_hard_drive_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t partition_number;
-+ grub_efi_lba_t partition_start;
-+ grub_efi_lba_t partition_size;
-+ grub_efi_uint8_t partition_signature[16];
-+ grub_efi_uint8_t mbr_type;
-+ grub_efi_uint8_t signature_type;
-+};
-+typedef struct grub_efi_hard_drive_device_path
-+ grub_efi_hard_drive_device_path_t;
-+
-+#define GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE 2
-+
-+struct grub_efi_cdrom_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint32_t boot_entry;
-+ grub_efi_lba_t partition_start;
-+ grub_efi_lba_t partition_size;
-+};
-+typedef struct grub_efi_cdrom_device_path grub_efi_cdrom_device_path_t;
-+
-+#define GRUB_EFI_VENDOR_MEDIA_DEVICE_PATH_SUBTYPE 3
-+
-+struct grub_efi_vendor_media_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_guid_t vendor_guid;
-+ grub_efi_uint8_t vendor_defined_data[0];
-+};
-+typedef struct grub_efi_vendor_media_device_path
-+ grub_efi_vendor_media_device_path_t;
-+
-+#define GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE 4
-+
-+struct grub_efi_file_path_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_char16_t path_name[0];
-+};
-+typedef struct grub_efi_file_path_device_path
-+ grub_efi_file_path_device_path_t;
-+
-+#define GRUB_EFI_PROTOCOL_DEVICE_PATH_SUBTYPE 5
-+
-+struct grub_efi_protocol_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_guid_t guid;
-+};
-+typedef struct grub_efi_protocol_device_path grub_efi_protocol_device_path_t;
-+
-+/* BIOS Boot Specification Device Path. */
-+#define GRUB_EFI_BIOS_DEVICE_PATH_TYPE 5
-+
-+#define GRUB_EFI_BIOS_DEVICE_PATH_SUBTYPE 1
-+
-+struct grub_efi_bios_device_path
-+{
-+ grub_efi_device_path_t header;
-+ grub_efi_uint16_t device_type;
-+ grub_efi_uint16_t status_flags;
-+ char description[0];
-+};
-+typedef struct grub_efi_bios_device_path grub_efi_bios_device_path_t;
-+
-+struct grub_efi_device_path_from_text
-+{
-+ grub_efi_device_path_t * (*convert_text_to_device_node) (const grub_efi_char16_t *text_device_node);
-+ grub_efi_device_path_t * (*convert_text_to_device_path) (const grub_efi_char16_t *text_device_path);
-+};
-+typedef struct grub_efi_device_path_from_text grub_efi_device_path_from_text_t;
-+
-+struct grub_efi_open_protocol_information_entry
-+{
-+ grub_efi_handle_t agent_handle;
-+ grub_efi_handle_t controller_handle;
-+ grub_efi_uint32_t attributes;
-+ grub_efi_uint32_t open_count;
-+};
-+typedef struct grub_efi_open_protocol_information_entry
-+ grub_efi_open_protocol_information_entry_t;
-+
-+struct grub_efi_time
-+{
-+ grub_efi_uint16_t year;
-+ grub_efi_uint8_t month;
-+ grub_efi_uint8_t day;
-+ grub_efi_uint8_t hour;
-+ grub_efi_uint8_t minute;
-+ grub_efi_uint8_t second;
-+ grub_efi_uint8_t pad1;
-+ grub_efi_uint32_t nanosecond;
-+ grub_efi_int16_t time_zone;
-+ grub_efi_uint8_t daylight;
-+ grub_efi_uint8_t pad2;
-+};
-+typedef struct grub_efi_time grub_efi_time_t;
-+
-+struct grub_efi_time_capabilities
-+{
-+ grub_efi_uint32_t resolution;
-+ grub_efi_uint32_t accuracy;
-+ grub_efi_boolean_t sets_to_zero;
-+};
-+typedef struct grub_efi_time_capabilities grub_efi_time_capabilities_t;
-+
-+struct grub_efi_input_key
-+{
-+ grub_efi_uint16_t scan_code;
-+ grub_efi_char16_t unicode_char;
-+};
-+typedef struct grub_efi_input_key grub_efi_input_key_t;
-+
-+struct grub_efi_simple_text_output_mode
-+{
-+ grub_efi_int32_t max_mode;
-+ grub_efi_int32_t mode;
-+ grub_efi_int32_t attribute;
-+ grub_efi_int32_t cursor_column;
-+ grub_efi_int32_t cursor_row;
-+ grub_efi_boolean_t cursor_visible;
-+};
-+typedef struct grub_efi_simple_text_output_mode
-+ grub_efi_simple_text_output_mode_t;
-+
-+/* Tables. */
-+struct grub_efi_table_header
-+{
-+ grub_efi_uint64_t signature;
-+ grub_efi_uint32_t revision;
-+ grub_efi_uint32_t header_size;
-+ grub_efi_uint32_t crc32;
-+ grub_efi_uint32_t reserved;
-+};
-+typedef struct grub_efi_table_header grub_efi_table_header_t;
-+
-+struct grub_efi_boot_services
-+{
-+ grub_efi_table_header_t hdr;
-+
-+ grub_efi_tpl_t (*raise_tpl) (grub_efi_tpl_t new_tpl);
-+
-+ void (*restore_tpl) (grub_efi_tpl_t old_tpl);
-+
-+ grub_efi_status_t
-+ (*allocate_pages) (grub_efi_allocate_type_t type,
-+ grub_efi_memory_type_t memory_type,
-+ grub_efi_uintn_t pages,
-+ grub_efi_physical_address_t * memory);
-+
-+ grub_efi_status_t
-+ (*free_pages) (grub_efi_physical_address_t memory,
-+ grub_efi_uintn_t pages);
-+
-+ grub_efi_status_t
-+ (*get_memory_map) (grub_efi_uintn_t * memory_map_size,
-+ grub_efi_memory_descriptor_t * memory_map,
-+ grub_efi_uintn_t * map_key,
-+ grub_efi_uintn_t * descriptor_size,
-+ grub_efi_uint32_t * descriptor_version);
-+
-+ grub_efi_status_t
-+ (*allocate_pool) (grub_efi_memory_type_t pool_type,
-+ grub_efi_uintn_t size, void **buffer);
-+
-+ grub_efi_status_t (*free_pool) (void *buffer);
-+
-+ grub_efi_status_t
-+ (*create_event) (grub_efi_uint32_t type,
-+ grub_efi_tpl_t notify_tpl,
-+ void (*notify_function) (grub_efi_event_t event,
-+ void *context),
-+ void *notify_context, grub_efi_event_t * event);
-+
-+ grub_efi_status_t
-+ (*set_timer) (grub_efi_event_t event,
-+ grub_efi_timer_delay_t type,
-+ grub_efi_uint64_t trigger_time);
-+
-+ grub_efi_status_t
-+ (*wait_for_event) (grub_efi_uintn_t num_events,
-+ grub_efi_event_t * event, grub_efi_uintn_t * index);
-+
-+ grub_efi_status_t (*signal_event) (grub_efi_event_t event);
-+
-+ grub_efi_status_t (*close_event) (grub_efi_event_t event);
-+
-+ grub_efi_status_t (*check_event) (grub_efi_event_t event);
-+
-+ grub_efi_status_t
-+ (*install_protocol_interface) (grub_efi_handle_t * handle,
-+ grub_efi_guid_t * protocol,
-+ grub_efi_interface_type_t interface_type,
-+ void *interface);
-+
-+ grub_efi_status_t
-+ (*reinstall_protocol_interface) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ void *old_interface, void *new_inteface);
-+
-+ grub_efi_status_t
-+ (*uninstall_protocol_interface) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ void *interface);
-+
-+ grub_efi_status_t
-+ (*handle_protocol) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol, void **interface);
-+
-+ void *reserved;
-+
-+ grub_efi_status_t
-+ (*register_protocol_notify) (grub_efi_guid_t * protocol,
-+ grub_efi_event_t event, void **registration);
-+
-+ grub_efi_status_t
-+ (*locate_handle) (grub_efi_locate_search_type_t search_type,
-+ grub_efi_guid_t * protocol,
-+ void *search_key,
-+ grub_efi_uintn_t * buffer_size,
-+ grub_efi_handle_t * buffer);
-+
-+ grub_efi_status_t
-+ (*locate_device_path) (grub_efi_guid_t * protocol,
-+ grub_efi_device_path_t ** device_path,
-+ grub_efi_handle_t * device);
-+
-+ grub_efi_status_t
-+ (*install_configuration_table) (grub_efi_guid_t * guid, void *table);
-+
-+ grub_efi_status_t
-+ (*load_image) (grub_efi_boolean_t boot_policy,
-+ grub_efi_handle_t parent_image_handle,
-+ grub_efi_device_path_t * file_path,
-+ void *source_buffer,
-+ grub_efi_uintn_t source_size,
-+ grub_efi_handle_t * image_handle);
-+
-+ grub_efi_status_t
-+ (*start_image) (grub_efi_handle_t image_handle,
-+ grub_efi_uintn_t * exit_data_size,
-+ grub_efi_char16_t ** exit_data);
-+
-+ grub_efi_status_t
-+ (*exit) (grub_efi_handle_t image_handle,
-+ grub_efi_status_t exit_status,
-+ grub_efi_uintn_t exit_data_size,
-+ grub_efi_char16_t * exit_data) __attribute__ ((noreturn));
-+
-+ grub_efi_status_t (*unload_image) (grub_efi_handle_t image_handle);
-+
-+ grub_efi_status_t
-+ (*exit_boot_services) (grub_efi_handle_t image_handle,
-+ grub_efi_uintn_t map_key);
-+
-+ grub_efi_status_t (*get_next_monotonic_count) (grub_efi_uint64_t * count);
-+
-+ grub_efi_status_t (*stall) (grub_efi_uintn_t microseconds);
-+
-+ grub_efi_status_t
-+ (*set_watchdog_timer) (grub_efi_uintn_t timeout,
-+ grub_efi_uint64_t watchdog_code,
-+ grub_efi_uintn_t data_size,
-+ grub_efi_char16_t * watchdog_data);
-+
-+ grub_efi_status_t
-+ (*connect_controller) (grub_efi_handle_t controller_handle,
-+ grub_efi_handle_t * driver_image_handle,
-+ grub_efi_device_path_protocol_t *
-+ remaining_device_path,
-+ grub_efi_boolean_t recursive);
-+
-+ grub_efi_status_t
-+ (*disconnect_controller) (grub_efi_handle_t controller_handle,
-+ grub_efi_handle_t driver_image_handle,
-+ grub_efi_handle_t child_handle);
-+
-+ grub_efi_status_t
-+ (*open_protocol) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ void **interface,
-+ grub_efi_handle_t agent_handle,
-+ grub_efi_handle_t controller_handle,
-+ grub_efi_uint32_t attributes);
-+
-+ grub_efi_status_t
-+ (*close_protocol) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ grub_efi_handle_t agent_handle,
-+ grub_efi_handle_t controller_handle);
-+
-+ grub_efi_status_t
-+ (*open_protocol_information) (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ grub_efi_open_protocol_information_entry_t
-+ ** entry_buffer,
-+ grub_efi_uintn_t * entry_count);
-+
-+ grub_efi_status_t
-+ (*protocols_per_handle) (grub_efi_handle_t handle,
-+ grub_efi_guid_t *** protocol_buffer,
-+ grub_efi_uintn_t * protocol_buffer_count);
-+
-+ grub_efi_status_t
-+ (*locate_handle_buffer) (grub_efi_locate_search_type_t search_type,
-+ grub_efi_guid_t * protocol,
-+ void *search_key,
-+ grub_efi_uintn_t * no_handles,
-+ grub_efi_handle_t ** buffer);
-+
-+ grub_efi_status_t
-+ (*locate_protocol) (grub_efi_guid_t * protocol,
-+ void *registration, void **interface);
-+
-+ grub_efi_status_t
-+ (*install_multiple_protocol_interfaces) (grub_efi_handle_t * handle, ...);
-+
-+ grub_efi_status_t
-+ (*uninstall_multiple_protocol_interfaces) (grub_efi_handle_t handle, ...);
-+
-+ grub_efi_status_t
-+ (*calculate_crc32) (void *data,
-+ grub_efi_uintn_t data_size,
-+ grub_efi_uint32_t * crc32);
-+
-+ void (*copy_mem) (void *destination, void *source, grub_efi_uintn_t length);
-+
-+ void
-+ (*set_mem) (void *buffer, grub_efi_uintn_t size, grub_efi_uint8_t value);
-+};
-+typedef struct grub_efi_boot_services grub_efi_boot_services_t;
-+
-+struct grub_efi_runtime_services
-+{
-+ grub_efi_table_header_t hdr;
-+
-+ grub_efi_status_t
-+ (*get_time) (grub_efi_time_t * time,
-+ grub_efi_time_capabilities_t * capabilities);
-+
-+ grub_efi_status_t (*set_time) (grub_efi_time_t * time);
-+
-+ grub_efi_status_t
-+ (*get_wakeup_time) (grub_efi_boolean_t * enabled,
-+ grub_efi_boolean_t * pending, grub_efi_time_t * time);
-+
-+ grub_efi_status_t
-+ (*set_wakeup_time) (grub_efi_boolean_t enabled, grub_efi_time_t * time);
-+
-+ grub_efi_status_t
-+ (*set_virtual_address_map) (grub_efi_uintn_t memory_map_size,
-+ grub_efi_uintn_t descriptor_size,
-+ grub_efi_uint32_t descriptor_version,
-+ grub_efi_memory_descriptor_t * virtual_map);
-+
-+ grub_efi_status_t
-+ (*convert_pointer) (grub_efi_uintn_t debug_disposition, void **address);
-+
-+ grub_efi_status_t
-+ (*get_variable) (grub_efi_char16_t * variable_name,
-+ grub_efi_guid_t * vendor_guid,
-+ grub_efi_uint32_t * attributes,
-+ grub_efi_uintn_t * data_size, void *data);
-+
-+ grub_efi_status_t
-+ (*get_next_variable_name) (grub_efi_uintn_t * variable_name_size,
-+ grub_efi_char16_t * variable_name,
-+ grub_efi_guid_t * vendor_guid);
-+
-+ grub_efi_status_t
-+ (*set_variable) (grub_efi_char16_t * variable_name,
-+ grub_efi_guid_t * vendor_guid,
-+ grub_efi_uint32_t attributes,
-+ grub_efi_uintn_t data_size, void *data);
-+
-+ grub_efi_status_t
-+ (*get_next_high_monotonic_count) (grub_efi_uint32_t * high_count);
-+
-+ void
-+ (*reset_system) (grub_efi_reset_type_t reset_type,
-+ grub_efi_status_t reset_status,
-+ grub_efi_uintn_t data_size,
-+ grub_efi_char16_t * reset_data);
-+};
-+typedef struct grub_efi_runtime_services grub_efi_runtime_services_t;
-+
-+struct grub_efi_configuration_table
-+{
-+ grub_efi_guid_t vendor_guid;
-+ void *vendor_table;
-+};
-+typedef struct grub_efi_configuration_table grub_efi_configuration_table_t;
-+
-+struct grub_efi_simple_input_interface
-+{
-+ grub_efi_status_t
-+ (*reset) (struct grub_efi_simple_input_interface * this,
-+ grub_efi_boolean_t extended_verification);
-+
-+ grub_efi_status_t
-+ (*read_key_stroke) (struct grub_efi_simple_input_interface * this,
-+ grub_efi_input_key_t * key);
-+
-+ grub_efi_event_t wait_for_key;
-+};
-+typedef struct grub_efi_simple_input_interface
-+ grub_efi_simple_input_interface_t;
-+
-+struct grub_efi_simple_text_output_interface
-+{
-+ grub_efi_status_t
-+ (*reset) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_boolean_t extended_verification);
-+
-+ grub_efi_status_t
-+ (*output_string) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_char16_t * string);
-+
-+ grub_efi_status_t
-+ (*test_string) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_char16_t * string);
-+
-+ grub_efi_status_t
-+ (*query_mode) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_uintn_t mode_number,
-+ grub_efi_uintn_t * columns, grub_efi_uintn_t * rows);
-+
-+ grub_efi_status_t
-+ (*set_mode) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_uintn_t mode_number);
-+
-+ grub_efi_status_t
-+ (*set_attributes) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_uintn_t attribute);
-+
-+ grub_efi_status_t
-+ (*clear_screen) (struct grub_efi_simple_text_output_interface * this);
-+
-+ grub_efi_status_t
-+ (*set_cursor_position) (struct grub_efi_simple_text_output_interface *
-+ this, grub_efi_uintn_t column,
-+ grub_efi_uintn_t row);
-+
-+ grub_efi_status_t
-+ (*enable_cursor) (struct grub_efi_simple_text_output_interface * this,
-+ grub_efi_boolean_t visible);
-+
-+ grub_efi_simple_text_output_mode_t *mode;
-+};
-+typedef struct grub_efi_simple_text_output_interface
-+ grub_efi_simple_text_output_interface_t;
-+
-+#define GRUB_EFI_BLACK 0x00
-+#define GRUB_EFI_BLUE 0x01
-+#define GRUB_EFI_GREEN 0x02
-+#define GRUB_EFI_CYAN 0x03
-+#define GRUB_EFI_RED 0x04
-+#define GRUB_EFI_MAGENTA 0x05
-+#define GRUB_EFI_BROWN 0x06
-+#define GRUB_EFI_LIGHTGRAY 0x07
-+#define GRUB_EFI_BRIGHT 0x08
-+#define GRUB_EFI_DARKGRAY 0x08
-+#define GRUB_EFI_LIGHTBLUE 0x09
-+#define GRUB_EFI_LIGHTGREEN 0x0A
-+#define GRUB_EFI_LIGHTCYAN 0x0B
-+#define GRUB_EFI_LIGHTRED 0x0C
-+#define GRUB_EFI_LIGHTMAGENTA 0x0D
-+#define GRUB_EFI_YELLOW 0x0E
-+#define GRUB_EFI_WHITE 0x0F
-+
-+#define GRUB_EFI_BACKGROUND_BLACK 0x00
-+#define GRUB_EFI_BACKGROUND_BLUE 0x10
-+#define GRUB_EFI_BACKGROUND_GREEN 0x20
-+#define GRUB_EFI_BACKGROUND_CYAN 0x30
-+#define GRUB_EFI_BACKGROUND_RED 0x40
-+#define GRUB_EFI_BACKGROUND_MAGENTA 0x50
-+#define GRUB_EFI_BACKGROUND_BROWN 0x60
-+#define GRUB_EFI_BACKGROUND_LIGHTGRAY 0x70
-+
-+#define GRUB_EFI_TEXT_ATTR(fg, bg) ((fg) | ((bg)))
-+
-+struct grub_efi_system_table
-+{
-+ grub_efi_table_header_t hdr;
-+ grub_efi_char16_t *firmware_vendor;
-+ grub_efi_uint32_t firmware_revision;
-+ grub_efi_handle_t console_in_handler;
-+ grub_efi_simple_input_interface_t *con_in;
-+ grub_efi_handle_t console_out_handler;
-+ grub_efi_simple_text_output_interface_t *con_out;
-+ grub_efi_handle_t standard_error_handle;
-+ grub_efi_simple_text_output_interface_t *std_err;
-+ grub_efi_runtime_services_t *runtime_services;
-+ grub_efi_boot_services_t *boot_services;
-+ grub_efi_uintn_t num_table_entries;
-+ grub_efi_configuration_table_t *configuration_table;
-+};
-+typedef struct grub_efi_system_table grub_efi_system_table_t;
-+
-+struct grub_efi_loaded_image
-+{
-+ grub_efi_uint32_t revision;
-+ grub_efi_handle_t parent_handle;
-+ grub_efi_system_table_t *system_table;
-+
-+ grub_efi_handle_t device_handle;
-+ grub_efi_device_path_t *file_path;
-+ void *reserved;
-+
-+ grub_efi_uint32_t load_options_size;
-+ void *load_options;
-+
-+ void *image_base;
-+ grub_efi_uint64_t image_size;
-+ grub_efi_memory_type_t image_code_type;
-+ grub_efi_memory_type_t image_data_type;
-+
-+ grub_efi_status_t (*unload) (grub_efi_handle_t image_handle);
-+};
-+typedef struct grub_efi_loaded_image grub_efi_loaded_image_t;
-+
-+struct grub_efi_disk_io
-+{
-+ grub_efi_uint64_t revision;
-+ grub_efi_status_t (*read) (struct grub_efi_disk_io * this,
-+ grub_efi_uint32_t media_id,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uintn_t buffer_size, void *buffer);
-+ grub_efi_status_t (*write) (struct grub_efi_disk_io * this,
-+ grub_efi_uint32_t media_id,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uintn_t buffer_size, void *buffer);
-+};
-+typedef struct grub_efi_disk_io grub_efi_disk_io_t;
-+
-+struct grub_efi_block_io_media
-+{
-+ grub_efi_uint32_t media_id;
-+ grub_efi_boolean_t removable_media;
-+ grub_efi_boolean_t media_present;
-+ grub_efi_boolean_t logical_partition;
-+ grub_efi_boolean_t read_only;
-+ grub_efi_boolean_t write_caching;
-+ grub_efi_uint8_t pad[3];
-+ grub_efi_uint32_t block_size;
-+ grub_efi_uint32_t io_align;
-+ grub_efi_uint8_t pad2[4];
-+ grub_efi_lba_t last_block;
-+};
-+typedef struct grub_efi_block_io_media grub_efi_block_io_media_t;
-+
-+struct grub_efi_block_io
-+{
-+ grub_efi_uint64_t revision;
-+ grub_efi_block_io_media_t *media;
-+ grub_efi_status_t (*reset) (struct grub_efi_block_io * this,
-+ grub_efi_boolean_t extended_verification);
-+ grub_efi_status_t (*read_blocks) (struct grub_efi_block_io * this,
-+ grub_efi_uint32_t media_id,
-+ grub_efi_lba_t lba,
-+ grub_efi_uintn_t buffer_size,
-+ void *buffer);
-+ grub_efi_status_t (*write_blocks) (struct grub_efi_block_io * this,
-+ grub_efi_uint32_t media_id,
-+ grub_efi_lba_t lba,
-+ grub_efi_uintn_t buffer_size,
-+ void *buffer);
-+ grub_efi_status_t (*flush_blocks) (struct grub_efi_block_io * this);
-+};
-+typedef struct grub_efi_block_io grub_efi_block_io_t;
-+
-+struct grub_efi_pixel_bitmask
-+{
-+ grub_efi_uint32_t red_mask;
-+ grub_efi_uint32_t green_mask;
-+ grub_efi_uint32_t blue_mask;
-+ grub_efi_uint32_t reserved_mask;
-+};
-+typedef struct grub_efi_pixel_bitmask grub_efi_pixel_bitmask_t;
-+
-+enum grub_efi_graphics_pixel_format
-+{
-+ GRUB_EFI_PIXEL_RGBR_8BIT_PER_COLOR,
-+ GRUB_EFI_PIXEL_BGRR_8BIT_PER_COLOR,
-+ GRUB_EFI_PIXEL_BIT_MASK,
-+ GRUB_EFI_PIXEL_BLT_ONLY,
-+};
-+typedef enum grub_efi_graphics_pixel_format grub_efi_graphics_pixel_format_t;
-+
-+struct grub_efi_graphics_output_mode_information
-+{
-+ grub_efi_uint32_t version;
-+ grub_efi_uint32_t horizontal_resolution;
-+ grub_efi_uint32_t vertical_resolution;
-+ grub_efi_graphics_pixel_format_t pixel_format;
-+ grub_efi_pixel_bitmask_t pixel_information;
-+ grub_efi_uint32_t pixels_per_scan_line;
-+};
-+typedef struct grub_efi_graphics_output_mode_information
-+ grub_efi_graphics_output_mode_information_t;
-+
-+struct grub_efi_graphics_output_bgrr_pixel
-+{
-+ grub_efi_uint8_t blue;
-+ grub_efi_uint8_t green;
-+ grub_efi_uint8_t red;
-+ grub_efi_uint8_t reserved;
-+};
-+typedef struct grub_efi_graphics_output_bgrr_pixel
-+ grub_efi_graphics_output_bgrr_pixel_t;
-+typedef struct grub_efi_graphics_output_bgrr_pixel
-+ grub_efi_graphics_output_blt_pixel_t;
-+typedef struct grub_efi_graphics_output_bgrr_pixel
-+ grub_efi_uga_pixel_t;
-+
-+struct grub_efi_graphics_output_rgbr_pixel
-+{
-+ grub_efi_uint8_t red;
-+ grub_efi_uint8_t green;
-+ grub_efi_uint8_t blue;
-+ grub_efi_uint8_t reserved;
-+};
-+typedef struct grub_efi_graphics_output_rgbr_pixel
-+ grub_efi_graphics_output_rgbr_pixel_t;
-+
-+union grub_efi_graphics_output_pixel
-+{
-+ grub_efi_graphics_output_rgbr_pixel_t rgbr;
-+ grub_efi_graphics_output_bgrr_pixel_t bgrr;
-+ grub_efi_uint32_t raw;
-+};
-+typedef union grub_efi_graphics_output_pixel
-+ grub_efi_graphics_output_pixel_t;
-+
-+enum grub_efi_graphics_output_blt_operation
-+{
-+ GRUB_EFI_BLT_VIDEO_FILL,
-+ GRUB_EFI_BLT_VIDEO_TO_BLT_BUFFER,
-+ GRUB_EFI_BLT_BUFFER_TO_VIDEO,
-+ GRUB_EFI_BLT_VIDEO_TO_VIDEO,
-+};
-+typedef enum grub_efi_graphics_output_blt_operation
-+ grub_efi_graphics_output_blt_operation_t;
-+
-+struct grub_efi_graphics_output_mode
-+{
-+ grub_efi_uint32_t max_mode;
-+ grub_efi_uint32_t mode;
-+ grub_efi_graphics_output_mode_information_t *info;
-+ grub_efi_uintn_t size_of_info;
-+ grub_efi_physical_address_t frame_buffer_base;
-+ grub_efi_uintn_t frame_buffer_size;
-+};
-+typedef struct grub_efi_graphics_output_mode grub_efi_graphics_output_mode_t;
-+
-+struct grub_efi_graphics_output
-+{
-+ grub_efi_status_t (*query_mode) (struct grub_efi_graphics_output * this,
-+ grub_efi_uint32_t mode_number,
-+ grub_efi_uintn_t * size_of_info,
-+ grub_efi_graphics_output_mode_information_t
-+ ** info);
-+ grub_efi_status_t (*set_mode) (struct grub_efi_graphics_output * this,
-+ grub_efi_uint32_t mode_number);
-+
-+ grub_efi_status_t (*blt) (struct grub_efi_graphics_output * this,
-+ grub_efi_graphics_output_blt_pixel_t * blt_buffer,
-+ grub_efi_graphics_output_blt_operation_t
-+ blt_operation, grub_efi_uintn_t src_x,
-+ grub_efi_uintn_t src_y, grub_efi_uintn_t dest_x,
-+ grub_efi_uintn_t dest_y, grub_efi_uintn_t width,
-+ grub_efi_uintn_t height, grub_efi_uintn_t delta);
-+ grub_efi_graphics_output_mode_t *mode;
-+};
-+typedef struct grub_efi_graphics_output grub_efi_graphics_output_t;
-+
-+typedef enum {
-+ EfiUgaVideoFill,
-+ EfiUgaVideoToBltBuffer,
-+ EfiUgaBltBufferToVideo,
-+ EfiUgaVideoToVideo,
-+ EfiUgaBltMax
-+} grub_efi_uga_blt_operation_t;
-+
-+typedef enum {
-+ grub_efi_pci_io_width_uint8,
-+ grub_efi_pci_io_width_uint16,
-+ grub_efi_pci_io_width_uint32,
-+ grub_efi_pci_io_width_uint64,
-+ grub_efi_pci_io_width_fifo_uint8,
-+ grub_efi_pci_io_width_fifo_uint16,
-+ grub_efi_pci_io_width_fifo_uint32,
-+ grub_efi_pci_io_width_fifo_uint64,
-+ grub_efi_pci_io_width_fill_uint8,
-+ grub_efi_pci_io_width_fill_uint16,
-+ grub_efi_pci_io_width_fill_uint32,
-+ grub_efi_pci_io_width_fill_uint64,
-+ grub_efi_pci_io_width_maximum
-+} grub_efi_pci_io_width;
-+
-+struct grub_efi_pci_io;
-+
-+typedef struct
-+{
-+ grub_efi_status_t(*read) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint8_t bar_index,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+ grub_efi_status_t(*write) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint8_t bar_index,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+} grub_efi_pci_io_access_t;
-+
-+typedef struct
-+{
-+ grub_efi_status_t( *read) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint32_t offset,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+ grub_efi_status_t( *write) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint32_t offset,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+} grub_efi_pci_io_config_access_t;
-+
-+typedef enum {
-+ grub_efi_pci_io_operation_bus_masterread,
-+ grub_efi_pci_io_operation_bus_masterwrite,
-+ grub_efi_pci_io_operation_bus_master_common_buffer,
-+ grub_efi_pci_io_operation_maximum
-+} grub_efi_pci_io_operation_t;
-+
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_IO 0x0100
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000
-+#define GRUB_EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000
-+
-+typedef enum {
-+ grub_efi_pci_io_attribute_operation_get,
-+ grub_efi_pci_io_attribute_operation_set,
-+ grub_efi_pci_io_attribute_operation_enable,
-+ grub_efi_pci_io_attribute_operation_disable,
-+ grub_efi_pci_io_attribute_operation_supported,
-+ grub_efi_pci_io_attribute_operation_maximum
-+} grub_efi_pci_io_attribute_operation_t;
-+
-+struct grub_efi_pci_io {
-+ grub_efi_status_t (*poll_mem) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint8_t bar_ndex,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uint64_t mask,
-+ grub_efi_uint64_t value,
-+ grub_efi_uint64_t delay,
-+ grub_efi_uint64_t *result);
-+ grub_efi_status_t (*poll_io) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width Width,
-+ grub_efi_uint8_t bar_index,
-+ grub_efi_uint64_t offset,
-+ grub_efi_uint64_t mask,
-+ grub_efi_uint64_t value,
-+ grub_efi_uint64_t delay,
-+ grub_efi_uint64_t *result);
-+ grub_efi_pci_io_access_t mem;
-+ grub_efi_pci_io_access_t io;
-+ grub_efi_pci_io_config_access_t pci;
-+ grub_efi_status_t (*copy_mem) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint8_t dest_bar_index,
-+ grub_efi_uint64_t dest_offset,
-+ grub_efi_uint8_t src_bar_index,
-+ grub_efi_uint64_t src_offset,
-+ grub_efi_uintn_t count);
-+ grub_efi_status_t (*map) ( struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_operation_t operation,
-+ void *host_address,
-+ grub_efi_uintn_t *number_of_bytes,
-+ grub_efi_uint64_t *device_address,
-+ void **mapping);
-+ grub_efi_status_t (*unmap) (struct grub_efi_pci_io *this,
-+ void *mapping);
-+ grub_efi_status_t (*allocate_buffer) (struct grub_efi_pci_io *this,
-+ grub_efi_allocate_type_t type,
-+ grub_efi_memory_type_t memory_type,
-+ grub_efi_uintn_t pages,
-+ void **host_address,
-+ grub_efi_uint64_t attributes);
-+ grub_efi_status_t (*free_buffer) (struct grub_efi_pci_io *this,
-+ grub_efi_allocate_type_t type,
-+ grub_efi_memory_type_t memory_type,
-+ grub_efi_uintn_t pages,
-+ void **host_address,
-+ grub_efi_uint64_t attributes);
-+ grub_efi_status_t (*flush) (struct grub_efi_pci_io *this);
-+ grub_efi_status_t (*get_location) (struct grub_efi_pci_io *this,
-+ grub_efi_uintn_t *segment_number,
-+ grub_efi_uintn_t *bus_number,
-+ grub_efi_uintn_t *device_number,
-+ grub_efi_uintn_t *function_number);
-+ grub_efi_status_t (*attributes) (struct grub_efi_pci_io *this,
-+ grub_efi_pci_io_attribute_operation_t operation,
-+ grub_efi_uint64_t attributes,
-+ grub_efi_uint64_t *result);
-+ grub_efi_status_t (*get_bar_attributes) (struct grub_efi_pci_io *this,
-+ grub_efi_uint8_t bar_index,
-+ grub_efi_uint64_t *supports,
-+ void **resources);
-+ grub_efi_status_t (*set_bar_attributes) (struct grub_efi_pci_io *this,
-+ grub_efi_uint64_t attributes,
-+ grub_efi_uint8_t bar_index,
-+ grub_efi_uint64_t *offset,
-+ grub_efi_uint64_t *length);
-+ grub_efi_uint64_t rom_size;
-+ void *rom_image;
-+};
-+typedef struct grub_efi_pci_io grub_efi_pci_io_t;
-+
-+struct grub_efi_pci_root_io;
-+
-+typedef struct
-+{
-+ grub_efi_status_t(*read) (struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint64_t address,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+ grub_efi_status_t(*write) (struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint64_t address,
-+ grub_efi_uintn_t count,
-+ void *buffer);
-+} grub_efi_pci_root_io_access_t;
-+
-+typedef enum {
-+ grub_efi_pci_root_io_operation_bus_master_read,
-+ grub_efi_pci_root_io_operation_bus_master_write,
-+ grub_efi_pci_root_io_operation_bus_master_common_buffer,
-+ grub_efi_pci_root_io_operation_bus_master_read_64,
-+ grub_efi_pci_root_io_operation_bus_master_write_64,
-+ grub_efi_pci_root_io_operation_bus_master_common_buffer_64,
-+ grub_efi_pci_root_io_operation_maximum
-+} grub_efi_pci_root_io_operation_t;
-+
-+struct grub_efi_pci_root_io {
-+ grub_efi_handle_t parent;
-+ grub_efi_status_t (*poll_mem) (struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint64_t address,
-+ grub_efi_uint64_t mask,
-+ grub_efi_uint64_t value,
-+ grub_efi_uint64_t delay,
-+ grub_efi_uint64_t *result);
-+ grub_efi_status_t (*poll_io) (struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_io_width Width,
-+ grub_efi_uint64_t address,
-+ grub_efi_uint64_t mask,
-+ grub_efi_uint64_t value,
-+ grub_efi_uint64_t delay,
-+ grub_efi_uint64_t *result);
-+ grub_efi_pci_root_io_access_t mem;
-+ grub_efi_pci_root_io_access_t io;
-+ grub_efi_pci_root_io_access_t pci;
-+ grub_efi_status_t (*copy_mem) (struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_io_width width,
-+ grub_efi_uint64_t dest_offset,
-+ grub_efi_uint64_t src_offset,
-+ grub_efi_uintn_t count);
-+ grub_efi_status_t (*map) ( struct grub_efi_pci_root_io *this,
-+ grub_efi_pci_root_io_operation_t operation,
-+ void *host_address,
-+ grub_efi_uintn_t *number_of_bytes,
-+ grub_efi_uint64_t *device_address,
-+ void **mapping);
-+ grub_efi_status_t (*unmap) (struct grub_efi_pci_root_io *this,
-+ void *mapping);
-+ grub_efi_status_t (*allocate_buffer) (struct grub_efi_pci_root_io *this,
-+ grub_efi_allocate_type_t type,
-+ grub_efi_memory_type_t memory_type,
-+ grub_efi_uintn_t pages,
-+ void **host_address,
-+ grub_efi_uint64_t attributes);
-+ grub_efi_status_t (*free_buffer) (struct grub_efi_pci_root_io *this,
-+ grub_efi_uintn_t pages,
-+ void **host_address);
-+ grub_efi_status_t (*flush) (struct grub_efi_pci_root_io *this);
-+ grub_efi_status_t (*get_attributes) (struct grub_efi_pci_root_io *this,
-+ grub_efi_uint64_t *supports,
-+ void **resources);
-+ grub_efi_status_t (*set_attributes) (struct grub_efi_pci_root_io *this,
-+ grub_efi_uint64_t attributes,
-+ grub_efi_uint64_t *offset,
-+ grub_efi_uint64_t *length);
-+ grub_efi_status_t (*configuration) (struct grub_efi_pci_root_io *this,
-+ void **resources);
-+};
-+
-+typedef struct grub_efi_pci_root_io grub_efi_pci_root_io_t;
-+
-+struct grub_efi_uga_draw
-+{
-+ grub_efi_status_t (*get_mode) (struct grub_efi_uga_draw * this,
-+ grub_efi_uint32_t *horizontal_resolution,
-+ grub_efi_uint32_t *vertical_resolution,
-+ grub_efi_uint32_t *color_depth,
-+ grub_efi_uint32_t *refresh_rate);
-+ grub_efi_status_t (*set_mode) (struct grub_efi_uga_draw * this,
-+ grub_efi_uint32_t horizontal_resolution,
-+ grub_efi_uint32_t vertical_resolution,
-+ grub_efi_uint32_t color_depth,
-+ grub_efi_uint32_t refresh_rate);
-+ grub_efi_status_t (*blt) (struct grub_efi_uga_draw * this,
-+ grub_efi_uga_pixel_t *blt_buffer,
-+ grub_efi_uga_blt_operation_t blt_operation,
-+ grub_efi_uintn_t source_x,
-+ grub_efi_uintn_t source_y,
-+ grub_efi_uintn_t destination_x,
-+ grub_efi_uintn_t destination_y,
-+ grub_efi_uintn_t width,
-+ grub_efi_uintn_t height,
-+ grub_efi_uintn_t delta);
-+};
-+typedef struct grub_efi_uga_draw grub_efi_uga_draw_t;
-+
-+typedef grub_uint32_t grub_uga_status_t;
-+
-+typedef enum {
-+ UgaDtParentBus = 1,
-+ UgaDtGraphicsController,
-+ UgaDtOutputController,
-+ UgaDtOutputPort,
-+ UgaDtOther
-+} grub_uga_device_type_t;
-+
-+typedef grub_efi_uint32_t grub_uga_device_id_t;
-+
-+struct grub_uga_device_data {
-+ grub_uga_device_type_t device_type;
-+ grub_uga_device_id_t device_id;
-+ grub_efi_uint32_t device_context_size;
-+ grub_efi_uint32_t shared_context_size;
-+};
-+typedef struct grub_uga_device_data grub_uga_device_data_t;
-+
-+struct grub_uga_device {
-+ void *device_context;
-+ void *shared_context;
-+ void *runtime_context;
-+ struct grub_uga_device *parent_device;
-+ void *bus_io_services;
-+ void *stdio_services;
-+ grub_uga_device_data_t device_data;
-+};
-+typedef struct grub_uga_device grub_uga_device_t;
-+
-+typedef enum {
-+ UgaIoGetVersion = 1,
-+ UgaIoGetChildDevice,
-+ UgaIoStartDevice,
-+ UgaIoStopDevice,
-+ UgaIoFlushDevice,
-+ UgaIoResetDevice,
-+ UgaIoGetDeviceState,
-+ UgaIoSetDeviceState,
-+ UgaIoSetPowerState,
-+ UgaIoGetMemoryConfiguration,
-+ UgaIoSetVideoMode,
-+ UgaIoCopyRectangle,
-+ UgaIoGetEdidSegment,
-+ UgaIoDeviceChannelOpen,
-+ UgaIoDeviceChannelClose,
-+ UgaIoDeviceChannelRead,
-+ UgaIoDeviceChannelWrite,
-+ UgaIoGetPersistentDataSize,
-+ UgaIoGetPersistentData,
-+ UgaIoSetPersistentData,
-+ UgaIoGetDevicePropertySize,
-+ UgaIoGetDeviceProperty,
-+ UgaIoBtPrivateInterface
-+} grub_uga_io_request_code_t;
-+
-+struct grub_uga_io_request {
-+ grub_uga_io_request_code_t io_request_code;
-+ void *in_buffer;
-+ grub_efi_uint64_t in_buffer_size;
-+ grub_efi_uint64_t bytes_returned;
-+};
-+typedef struct grub_uga_io_request grub_uga_io_request_t;
-+
-+struct grub_efi_uga_io
-+{
-+ grub_efi_status_t (*create_device) (struct grub_efi_uga_io * this,
-+ grub_uga_device_t *parent_device,
-+ grub_uga_device_data_t *device_data,
-+ void *runtime_context,
-+ grub_uga_device_t **device);
-+ grub_efi_status_t (*delete_device) (struct grub_efi_uga_io * this,
-+ grub_uga_device_t *device);
-+ grub_uga_status_t (*dispatch_service) (grub_uga_device_t *device,
-+ grub_uga_io_request_t *io_request);
-+};
-+typedef struct grub_efi_uga_io grub_efi_uga_io_t;
-+
-+/* XXX PJFIX add uga driver handoff stuff */
-+
-+// File Open Modes
-+#define GRUB_EFI_FILE_MODE_READ 0x0000000000000001ULL
-+#define GRUB_EFI_FILE_MODE_WRITE 0x0000000000000002ULL
-+#define GRUB_EFI_FILE_MODE_CREATE 0x8000000000000000ULL
-+
-+// File Attributes
-+#define GRUB_EFI_FILE_READ_ONLY 0x0000000000000001ULL
-+#define GRUB_EFI_FILE_HIDDEN 0x0000000000000002ULL
-+#define GRUB_EFI_FILE_SYSTEM 0x0000000000000004ULL
-+#define GRUB_EFI_FILE_RESERVED 0x0000000000000008ULL
-+#define GRUB_EFI_FILE_DIRECTORY 0x0000000000000010ULL
-+#define GRUB_EFI_FILE_ARCHIVE 0x0000000000000020ULL
-+#define GRUB_EFI_FILE_VALID_ATTR 0x0000000000000037ULL
-+
-+struct grub_efi_file
-+{
-+ grub_efi_uint64_t revision;
-+ grub_efi_status_t (*open) (struct grub_efi_file * this,
-+ struct grub_efi_file ** new_handle,
-+ grub_efi_char16_t * file_name,
-+ grub_efi_uint64_t open_mode,
-+ grub_efi_uint64_t attributes);
-+ grub_efi_status_t (*close) (struct grub_efi_file * this);
-+ grub_efi_status_t (*delete) (struct grub_efi_file * this);
-+ grub_efi_status_t (*read) (struct grub_efi_file * this,
-+ grub_efi_uintn_t * buffer_size,
-+ void * buffer);
-+ grub_efi_status_t (*write) (struct grub_efi_file * this,
-+ grub_efi_uintn_t * buffer_size,
-+ void * buffer);
-+ grub_efi_status_t (*get_position) (struct grub_efi_file * this,
-+ grub_efi_uint64_t * position);
-+ grub_efi_status_t (*set_position) (struct grub_efi_file * this,
-+ grub_efi_uint64_t position);
-+ grub_efi_status_t (*get_info) (struct grub_efi_file * this,
-+ grub_efi_guid_t * information_type,
-+ grub_efi_uintn_t * buffer_size,
-+ void * buffer);
-+ grub_efi_status_t (*set_info) (struct grub_efi_file * this,
-+ grub_efi_guid_t * information_type,
-+ grub_efi_uintn_t buffer_size,
-+ void * buffer);
-+ grub_efi_status_t (*flush) (struct grub_efi_file * this);
-+};
-+typedef struct grub_efi_file grub_efi_file_t;
-+
-+struct grub_efi_simple_file_system
-+{
-+ grub_efi_uint64_t revision;
-+ grub_efi_status_t (*open_volume) (struct grub_efi_simple_file_system * this,
-+ grub_efi_file_t ** root);
-+};
-+typedef struct grub_efi_simple_file_system grub_efi_simple_file_system_t;
-+
-+struct grub_efi_serial_io_mode
-+{
-+ grub_efi_uint32_t control_mask;
-+ grub_efi_uint32_t timeout;
-+ grub_efi_uint64_t baud_rate;
-+ grub_efi_uint32_t receive_fifo_depth;
-+ grub_efi_uint32_t data_bits;
-+ grub_efi_uint32_t parity;
-+ grub_efi_uint32_t stop_bits;
-+};
-+typedef struct grub_efi_serial_io_mode grub_efi_serial_io_mode_t;
-+
-+enum grub_efi_parity
-+{
-+ GRUB_EFI_DEFAULT_PARITY,
-+ GRUB_EFI_NO_PARITY,
-+ GRUB_EFI_EVEN_PARITY,
-+ GRUB_EFI_ODD_PARITY,
-+ GRUB_EFI_MARK_PARITY,
-+ GRUB_EFI_SPACE_PARITY
-+};
-+typedef enum grub_efi_parity grub_efi_parity_t;
-+
-+enum grub_efi_stop_bits
-+{
-+ GRUB_EFI_DEFAULT_STOP_BITS,
-+ GRUB_EFI_ONE_STOP_BIT,
-+ GRUB_EFI_ONE_FIVE_STOP_BITS,
-+ GRUB_EFI_TWO_STOP_BITS
-+};
-+typedef enum grub_efi_stop_bits grub_efi_stop_bits_t;
-+
-+#define GRUB_EFI_SERIAL_CLEAR_TO_SEND 0x0010
-+#define GRUB_EFI_SERIAL_DATA_SET_READY 0x0020
-+#define GRUB_EFI_SERIAL_RING_INDICATE 0x0040
-+#define GRUB_EFI_SERIAL_CARRIER_DETECT 0x0080
-+#define GRUB_EFI_SERIAL_REQUEST_TO_SEND 0x0002
-+#define GRUB_EFI_SERIAL_DATA_TERMINAL_READY 0x0001
-+#define GRUB_EFI_SERIAL_INPUT_BUFFER_EMPTY 0x0100
-+#define GRUB_EFI_SERIAL_OUTPUT_BUFFER_EMPTY 0x0200
-+#define GRUB_EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE 0x1000
-+#define GRUB_EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE 0x2000
-+#define GRUB_EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE 0x4000
-+
-+struct grub_efi_serial_io
-+{
-+ grub_efi_uint32_t revision;
-+ grub_efi_status_t (*reset) (struct grub_efi_serial_io * this);
-+ grub_efi_status_t (*set_attributes) (struct grub_efi_serial_io * this,
-+ grub_efi_uint64_t baud_rate,
-+ grub_efi_uint32_t receive_fifo_depth,
-+ grub_efi_uint32_t timeout,
-+ grub_efi_parity_t parity,
-+ grub_efi_uint8_t data_bits,
-+ grub_efi_stop_bits_t stop_bits);
-+ grub_efi_status_t (*set_control_bits) (struct grub_efi_serial_io * this,
-+ grub_efi_uint32_t control);
-+ grub_efi_status_t (*get_control_bits) (struct grub_efi_serial_io * this,
-+ grub_efi_uint32_t * control);
-+ grub_efi_status_t (*write) (struct grub_efi_serial_io * this,
-+ grub_efi_uintn_t * buffer_size,
-+ void * buffer);
-+ grub_efi_status_t (*read) (struct grub_efi_serial_io * this,
-+ grub_efi_uintn_t * buffer_size,
-+ void * buffer);
-+ grub_efi_serial_io_mode_t *mode;
-+};
-+typedef struct grub_efi_serial_io grub_efi_serial_io_t;
-+
-+#endif /* ! GRUB_EFI_API_HEADER */
-diff --git a/efi/grub/efi/console_control.h b/efi/grub/efi/console_control.h
-new file mode 100644
-index 0000000..ffc4305
---- /dev/null
-+++ b/efi/grub/efi/console_control.h
-@@ -0,0 +1,59 @@
-+/* console_control.h - definitions of the console control protocol */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+/* The console control protocol is not a part of the EFI spec,
-+ but defined in Intel's Sample Implementation. */
-+
-+#ifndef GRUB_EFI_CONSOLE_CONTROL_HEADER
-+#define GRUB_EFI_CONSOLE_CONTROL_HEADER 1
-+
-+#define GRUB_EFI_CONSOLE_CONTROL_GUID \
-+ { 0xf42f7782, 0x12e, 0x4c12, \
-+ { 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21 } \
-+ }
-+
-+enum grub_efi_screen_mode
-+{
-+ GRUB_EFI_SCREEN_TEXT,
-+ GRUB_EFI_SCREEN_GRAPHICS,
-+ GRUB_EFI_SCREEN_TEXT_MAX_VALUE
-+};
-+typedef enum grub_efi_screen_mode grub_efi_screen_mode_t;
-+
-+struct grub_efi_console_control_protocol
-+{
-+ grub_efi_status_t
-+ (*get_mode) (struct grub_efi_console_control_protocol * this,
-+ grub_efi_screen_mode_t * mode,
-+ grub_efi_boolean_t * uga_exists,
-+ grub_efi_boolean_t * std_in_locked);
-+
-+ grub_efi_status_t
-+ (*set_mode) (struct grub_efi_console_control_protocol * this,
-+ grub_efi_screen_mode_t mode);
-+
-+ grub_efi_status_t
-+ (*lock_std_in) (struct grub_efi_console_control_protocol * this,
-+ grub_efi_char16_t * password);
-+};
-+typedef struct grub_efi_console_control_protocol
-+ grub_efi_console_control_protocol_t;
-+
-+#endif /* ! GRUB_EFI_CONSOLE_CONTROL_HEADER */
-diff --git a/efi/grub/efi/efi.h b/efi/grub/efi/efi.h
-new file mode 100644
-index 0000000..301f9d9
---- /dev/null
-+++ b/efi/grub/efi/efi.h
-@@ -0,0 +1,85 @@
-+/* efi.h - declare variables and functions for EFI support */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_EFI_EFI_HEADER
-+#define GRUB_EFI_EFI_HEADER 1
-+
-+#include <grub/types.h>
-+#include <grub/efi/api.h>
-+
-+/* Functions. */
-+grub_efi_status_t
-+grub_efi_locate_device_path (grub_efi_guid_t *protocol,
-+ grub_efi_device_path_t **dp,
-+ grub_efi_handle_t *handle);
-+grub_efi_status_t
-+grub_efi_locate_handle_buffer (grub_efi_locate_search_type_t search_type,
-+ grub_efi_guid_t *protocol,
-+ void *search_key,
-+ grub_efi_uintn_t *no_handles,
-+ grub_efi_handle_t **buffer);
-+void *grub_efi_locate_protocol (grub_efi_guid_t * protocol,
-+ void *registration);
-+grub_efi_handle_t *grub_efi_locate_handle (grub_efi_locate_search_type_t
-+ search_type,
-+ grub_efi_guid_t * protocol,
-+ void *search_key,
-+ grub_efi_uintn_t * num_handles);
-+void *grub_efi_open_protocol (grub_efi_handle_t handle,
-+ grub_efi_guid_t * protocol,
-+ grub_efi_uint32_t attributes);
-+int grub_efi_set_text_mode (int on);
-+void grub_efi_stall (grub_efi_uintn_t microseconds);
-+void *grub_efi_allocate_pool (grub_efi_uintn_t size);
-+void grub_efi_free_pool (void *buffer);
-+void *grub_efi_allocate_anypages (grub_efi_uintn_t pages);
-+void *grub_efi_allocate_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages);
-+void *grub_efi_allocate_runtime_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages);
-+void
-+grub_efi_free_pages (grub_efi_physical_address_t address,
-+ grub_efi_uintn_t pages);
-+int
-+grub_efi_get_memory_map (grub_efi_uintn_t * map_key,
-+ grub_efi_uintn_t * descriptor_size,
-+ grub_efi_uint32_t * descriptor_version);
-+grub_efi_loaded_image_t *grub_efi_get_loaded_image (grub_efi_handle_t
-+ image_handle);
-+void grub_efi_print_device_path (grub_efi_device_path_t * dp);
-+char *grub_efi_get_filename (grub_efi_device_path_t * dp);
-+grub_efi_device_path_t *grub_efi_get_device_path (grub_efi_handle_t handle);
-+int grub_efi_exit_boot_services (grub_efi_uintn_t map_key);
-+
-+void grub_efi_mm_init (void);
-+void grub_efi_mm_fini (void);
-+void grub_efi_init (void);
-+void grub_efi_fini (void);
-+void grub_efi_set_prefix (void);
-+
-+/* Variables. */
-+extern void *mmap_buf;
-+extern grub_efi_uintn_t mmap_size;
-+extern grub_efi_uintn_t mmap_pages;
-+
-+extern grub_efi_system_table_t *grub_efi_system_table;
-+extern grub_efi_handle_t grub_efi_image_handle;
-+
-+#endif /* ! GRUB_EFI_EFI_HEADER */
-diff --git a/efi/grub/efi/eficall.h b/efi/grub/efi/eficall.h
-new file mode 100644
-index 0000000..2e79e04
---- /dev/null
-+++ b/efi/grub/efi/eficall.h
-@@ -0,0 +1,162 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef _EFI_CALL_INCLUDE_
-+#define _EFI_CALL_INCLUDE_ 1
-+
-+#include <grub/types.h>
-+
-+#ifndef __x86_64__
-+#ifdef EFI_FUNCTION_WRAPPER
-+#undef EFI_FUNCTION_WRAPPER
-+#endif
-+#endif
-+
-+#ifdef EFI_FUNCTION_WRAPPER
-+typedef long EFI_STATUS;
-+
-+EFI_STATUS x64_call0 (unsigned long func);
-+EFI_STATUS x64_call1 (unsigned long func, unsigned long a);
-+EFI_STATUS x64_call2 (unsigned long func, unsigned long a, unsigned long b);
-+EFI_STATUS x64_call3 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c);
-+EFI_STATUS x64_call4 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c, unsigned long d);
-+EFI_STATUS x64_call5 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e);
-+EFI_STATUS x64_call6 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e, unsigned long f);
-+EFI_STATUS x64_call7 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e,
-+ unsigned long f, unsigned long g);
-+EFI_STATUS x64_call8 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e,
-+ unsigned long f, unsigned long g,
-+ unsigned long h);
-+EFI_STATUS x64_call9 (unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e,
-+ unsigned long f, unsigned long g,
-+ unsigned long h, unsigned long i);
-+EFI_STATUS x64_call10(unsigned long func, unsigned long a,
-+ unsigned long b, unsigned long c,
-+ unsigned long d, unsigned long e,
-+ unsigned long f, unsigned long g,
-+ unsigned long h, unsigned long i,
-+ unsigned long j);
-+
-+#define Call_Service(func) x64_call0((unsigned long)func)
-+
-+#define Call_Service_1(func,a) x64_call1((unsigned long)func, \
-+ (unsigned long)a)
-+
-+#define Call_Service_2(func,a,b) x64_call2((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b)
-+
-+#define Call_Service_3(func,a,b,c) x64_call3((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c)
-+
-+#define Call_Service_4(func,a,b,c,d) x64_call4((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d)
-+
-+#define Call_Service_5(func,a,b,c,d,e) x64_call5((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e)
-+
-+#define Call_Service_6(func,a,b,c,d,e,f) x64_call6((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e, \
-+ (unsigned long)f)
-+
-+#define Call_Service_7(func,a,b,c,d,e,f,g) x64_call7((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e, \
-+ (unsigned long)f, \
-+ (unsigned long)g)
-+
-+#define Call_Service_8(func,a,b,c,d,e,f,g,h) x64_call8((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e, \
-+ (unsigned long)f, \
-+ (unsigned long)g, \
-+ (unsigned long)h)
-+
-+#define Call_Service_9(func,a,b,c,d,e,f,g,h,i) x64_call9((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e, \
-+ (unsigned long)f, \
-+ (unsigned long)g, \
-+ (unsigned long)h, \
-+ (unsigned long)i)
-+
-+#define Call_Service_10(func,a,b,c,d,e,f,g,h,i,j) \
-+ x64_call10((unsigned long)func, \
-+ (unsigned long)a, \
-+ (unsigned long)b, \
-+ (unsigned long)c, \
-+ (unsigned long)d, \
-+ (unsigned long)e, \
-+ (unsigned long)f, \
-+ (unsigned long)g, \
-+ (unsigned long)h, \
-+ (unsigned long)i, \
-+ (unsigned long)j)
-+
-+#else
-+
-+typedef long EFI_STATUS;
-+#define Call_Service(func) func()
-+#define Call_Service_1(func,a) func(a)
-+#define Call_Service_2(func,a,b) func(a,b)
-+#define Call_Service_3(func,a,b,c) func(a,b,c)
-+#define Call_Service_4(func,a,b,c,d) func(a,b,c,d)
-+#define Call_Service_5(func,a,b,c,d,e) func(a,b,c,d,e)
-+#define Call_Service_6(func,a,b,c,d,e,f) func(a,b,c,d,e,f)
-+#define Call_Service_7(func,a,b,c,d,e,f,g) func(a,b,c,d,e,f,g)
-+#define Call_Service_8(func,a,b,c,d,e,f,g,h) func(a,b,c,d,e,f,g,h)
-+#define Call_Service_9(func,a,b,c,d,e,f,g,h,i) func(a,b,c,d,e,f,g,h,i)
-+#define Call_Service_10(func,a,b,c,d,e,f,g,h,i,j) func(a,b,c,d,e,f,g,h,i,j)
-+#endif
-+
-+#endif
-diff --git a/efi/grub/efi/misc.h b/efi/grub/efi/misc.h
-new file mode 100644
-index 0000000..e06a2fb
---- /dev/null
-+++ b/efi/grub/efi/misc.h
-@@ -0,0 +1,60 @@
-+/* misc.h - prototypes for misc EFI functions */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2003,2005,2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_EFI_MISC_HEADER
-+#define GRUB_EFI_MISC_HEADER 1
-+
-+struct e820_entry;
-+void e820_map_from_efi_map (struct e820_entry *e820_map,
-+ int *e820_nr_map,
-+ grub_efi_memory_descriptor_t *memory_map,
-+ grub_efi_uintn_t desc_size,
-+ grub_efi_uintn_t memory_map_size);
-+
-+/* Initialize the console system. */
-+void grub_console_init (void);
-+/* Finish the console system. */
-+void grub_console_fini (void);
-+
-+void grub_efidisk_init (void);
-+void grub_efidisk_fini (void);
-+grub_efi_handle_t grub_efidisk_get_current_bdev_handle (void);
-+int grub_get_drive_partition_from_bdev_handle (grub_efi_handle_t handle,
-+ unsigned long *drive,
-+ unsigned long *partition);
-+
-+char *grub_efi_file_path_to_path_name (grub_efi_device_path_t *file_path);
-+void grub_load_saved_default (grub_efi_handle_t dev_handle);
-+
-+grub_efi_device_path_t *
-+find_last_device_path (const grub_efi_device_path_t *dp);
-+grub_efi_device_path_t *
-+find_parent_device_path (const grub_efi_device_path_t *dp);
-+grub_efi_device_path_t *
-+duplicate_device_path (const grub_efi_device_path_t *dp);
-+int
-+compare_device_paths (const grub_efi_device_path_t *dp1,
-+ const grub_efi_device_path_t *dp2);
-+grub_efi_device_path_t *
-+device_path_from_utf8 (const char *device);
-+
-+extern grub_efi_guid_t simple_file_system_guid;
-+
-+#endif /* ! GRUB_EFI_MISC_HEADER */
-diff --git a/efi/grub/efi/net.h b/efi/grub/efi/net.h
-new file mode 100644
-index 0000000..e69de29
-diff --git a/efi/grub/efi/time.h b/efi/grub/efi/time.h
-new file mode 100644
-index 0000000..55bfe68
---- /dev/null
-+++ b/efi/grub/efi/time.h
-@@ -0,0 +1,31 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-+ * MA 02110-1301, USA.
-+ */
-+
-+#ifndef GRUB_EFI_TIME_HEADER
-+#define GRUB_EFI_TIME_HEADER 1
-+
-+#include <grub/symbol.h>
-+
-+#define GRUB_TICKS_PER_SECOND 18
-+
-+/* Return the real time in ticks. */
-+grub_uint32_t grub_get_rtc (void);
-+
-+#endif /* ! GRUB_EFI_TIME_HEADER */
-diff --git a/efi/grub/i386/linux.h b/efi/grub/i386/linux.h
-new file mode 100644
-index 0000000..1545a7a
---- /dev/null
-+++ b/efi/grub/i386/linux.h
-@@ -0,0 +1,226 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_LINUX_MACHINE_HEADER
-+#define GRUB_LINUX_MACHINE_HEADER 1
-+
-+#define GRUB_LINUX_MAGIC_SIGNATURE 0x53726448 /* "HdrS" */
-+#define GRUB_LINUX_DEFAULT_SETUP_SECTS 4
-+#define GRUB_LINUX_FLAG_CAN_USE_HEAP 0x80
-+#define GRUB_LINUX_INITRD_MAX_ADDRESS 0x37FFFFFF
-+#define GRUB_LINUX_MAX_SETUP_SECTS 64
-+#define GRUB_LINUX_BOOT_LOADER_TYPE 0x72
-+#define GRUB_LINUX_HEAP_END_OFFSET (0x9000 - 0x200)
-+
-+#define GRUB_LINUX_BZIMAGE_ADDR 0x100000
-+#define GRUB_LINUX_ZIMAGE_ADDR 0x10000
-+#define GRUB_LINUX_OLD_REAL_MODE_ADDR 0x90000
-+#define GRUB_LINUX_SETUP_STACK 0x9000
-+
-+#define GRUB_LINUX_FLAG_BIG_KERNEL 0x1
-+
-+/* Linux's video mode selection support. Actually I hate it! */
-+#define GRUB_LINUX_VID_MODE_NORMAL 0xFFFF
-+#define GRUB_LINUX_VID_MODE_EXTENDED 0xFFFE
-+#define GRUB_LINUX_VID_MODE_ASK 0xFFFD
-+
-+#define GRUB_LINUX_CL_OFFSET 0x9000
-+#define GRUB_LINUX_CL_END_OFFSET 0x90FF
-+#define GRUB_LINUX_SETUP_MOVE_SIZE 0x9100
-+#define GRUB_LINUX_CL_MAGIC 0xA33F
-+
-+#if 0
-+#define GRUB_LINUX_EFI_SIGNATURE_X64 \
-+ ('4' << 24 | '6' << 16 | 'L' << 8 | 'E')
-+#else
-+#define GRUB_LINUX_EFI_SIGNATURE_X64 \
-+ ('L' << 24 | 'I' << 16 | 'F' << 8 | 'E')
-+#endif
-+
-+#ifndef ASM_FILE
-+
-+/* For the Linux/i386 boot protocol version 2.07. */
-+struct grub_linux_kernel_header
-+{
-+ grub_uint8_t setup_sects; /* The size of the setup in sectors */
-+ grub_uint16_t root_flags; /* If the root is mounted readonly */
-+ grub_uint32_t syssize; /* obsolete */
-+ grub_uint16_t ram_size; /* obsolete */
-+ grub_uint16_t vid_mode; /* Video mode control */
-+ grub_uint16_t root_dev; /* Default root device number */
-+ grub_uint16_t boot_flag; /* 0xAA55 magic number */
-+ grub_uint8_t jump_ins; /* Jump instruction */
-+ grub_uint8_t jump_off; /* Jump offset */
-+ grub_uint32_t header; /* Magic signature "HdrS" */
-+ grub_uint16_t version; /* Boot protocol version supported */
-+ grub_uint32_t realmode_swtch; /* Boot loader hook */
-+ grub_uint16_t start_sys; /* The load-low segment (obsolete) */
-+ grub_uint16_t kernel_version; /* Points to kernel version string */
-+ grub_uint8_t type_of_loader; /* Boot loader identifier */
-+ grub_uint8_t loadflags; /* Boot protocol option flags */
-+ grub_uint16_t setup_move_size;/* Move to high memory size */
-+ grub_uint32_t code32_start; /* Boot loader hook */
-+ grub_uint32_t ramdisk_image; /* initrd load address */
-+ grub_uint32_t ramdisk_size; /* initrd size */
-+ grub_uint32_t bootsect_kludge;/* obsolete */
-+ grub_uint16_t heap_end_ptr; /* Free memory after setup end */
-+ grub_uint16_t pad1; /* Unused */
-+ grub_uint32_t cmd_line_ptr; /* Points to the kernel command line */
-+ grub_uint32_t initrd_addr_max;/* Highest address for initrd */
-+ grub_uint32_t kernel_alignment;
-+ grub_uint8_t relocatable_kernel;
-+ grub_uint8_t pad2[3];
-+ grub_uint32_t hardware_subarch;
-+ grub_uint64_t hardware_subarch_data;
-+} __attribute__ ((packed));
-+
-+/* Boot parameters for Linux based on 2.6.12. This is used by the setup
-+ sectors of Linux, and must be simulated by GRUB on EFI, because
-+ the setup sectors depend on BIOS. */
-+struct linux_kernel_params
-+{
-+ grub_uint8_t video_cursor_x; /* 0 */
-+ grub_uint8_t video_cursor_y;
-+
-+ grub_uint16_t ext_mem; /* 2 */
-+
-+ grub_uint16_t video_page; /* 4 */
-+ grub_uint8_t video_mode; /* 6 */
-+ grub_uint8_t video_width; /* 7 */
-+
-+ grub_uint8_t padding1[0xa - 0x8];
-+
-+ grub_uint16_t video_ega_bx; /* a */
-+
-+ grub_uint8_t padding2[0xe - 0xc];
-+
-+ grub_uint8_t video_height; /* e */
-+ grub_uint8_t have_vga; /* f */
-+ grub_uint16_t font_size; /* 10 */
-+
-+ grub_uint16_t lfb_width; /* 12 */
-+ grub_uint16_t lfb_height; /* 14 */
-+ grub_uint16_t lfb_depth; /* 16 */
-+ grub_uint32_t lfb_base; /* 18 */
-+ grub_uint32_t lfb_size; /* 1c */
-+
-+ grub_uint16_t cl_magic; /* 20 */
-+ grub_uint16_t cl_offset;
-+
-+ grub_uint16_t lfb_line_len; /* 24 */
-+ grub_uint8_t red_mask_size; /* 26 */
-+ grub_uint8_t red_field_pos;
-+ grub_uint8_t green_mask_size;
-+ grub_uint8_t green_field_pos;
-+ grub_uint8_t blue_mask_size;
-+ grub_uint8_t blue_field_pos;
-+ grub_uint8_t reserved_mask_size;
-+ grub_uint8_t reserved_field_pos;
-+ grub_uint16_t vesapm_segment; /* 2e */
-+ grub_uint16_t vesapm_offset; /* 30 */
-+ grub_uint16_t lfb_pages; /* 32 */
-+ grub_uint16_t vesa_attrib; /* 34 */
-+
-+ grub_uint8_t padding3[0x40 - 0x36];
-+
-+ grub_uint16_t apm_version; /* 40 */
-+ grub_uint16_t apm_code_segment; /* 42 */
-+ grub_uint32_t apm_entry; /* 44 */
-+ grub_uint16_t apm_16bit_code_segment; /* 48 */
-+ grub_uint16_t apm_data_segment; /* 4a */
-+ grub_uint16_t apm_flags; /* 4c */
-+ grub_uint32_t apm_code_len; /* 4e */
-+ grub_uint16_t apm_data_len; /* 52 */
-+
-+ grub_uint8_t padding4[0x60 - 0x54];
-+
-+ grub_uint32_t ist_signature; /* 60 */
-+ grub_uint32_t ist_command; /* 64 */
-+ grub_uint32_t ist_event; /* 68 */
-+ grub_uint32_t ist_perf_level; /* 6c */
-+
-+ grub_uint8_t padding5[0x80 - 0x70];
-+
-+ grub_uint8_t hd0_drive_info[0x10]; /* 80 */
-+ grub_uint8_t hd1_drive_info[0x10]; /* 90 */
-+ grub_uint16_t rom_config_len; /* a0 */
-+
-+ grub_uint8_t padding6[0x1b8 - 0xa2];
-+
-+ union {
-+ struct {
-+ grub_uint32_t padding7_1; /* 0x1b8 */
-+ grub_uint32_t padding7_2; /* 0x1bc */
-+
-+ grub_uint32_t efi_signature; /* 1c0 */
-+ grub_uint32_t efi_system_table; /* 1c4 */
-+ grub_uint32_t efi_mem_desc_size; /* 1c8 */
-+ grub_uint32_t efi_mem_desc_version; /* 1cc */
-+ grub_uint32_t efi_mmap; /* 1d0 */
-+ grub_uint32_t efi_mmap_size; /* 1d4 */
-+ grub_uint32_t efi_system_table_hi; /* 1d8 */
-+ grub_uint32_t efi_mmap_hi; /* 1dc */
-+ } dunno;
-+ struct {
-+ grub_uint32_t efi_system_table; /* 1b8 */
-+
-+ grub_uint32_t padding7_1; /* 0x1bc */
-+
-+ grub_uint32_t efi_signature; /* 1c0 */
-+ grub_uint32_t efi_mem_desc_size; /* 1c4 */
-+ grub_uint32_t efi_mem_desc_version; /* 1c8 */
-+ grub_uint32_t efi_mmap_size; /* 1cc */
-+ grub_uint32_t efi_mmap; /* 1d0 */
-+
-+ grub_uint8_t padding7_2[0x1e0 - 0x1d4]; /* 1d4 */
-+ } version_0204;
-+ struct {
-+ grub_uint32_t padding7_1; /* 0x1b8 */
-+ grub_uint32_t padding7_2; /* 0x1bc */
-+ grub_uint32_t padding7_3; /* 0x1c0 */
-+ grub_uint32_t efi_system_table; /* 0x1c4 */
-+ grub_uint32_t efi_mem_desc_size; /* 0x1c8 */
-+ grub_uint32_t efi_mem_desc_version; /* 0x1cc */
-+ grub_uint32_t efi_mmap; /* 0x1d0 */
-+ grub_uint32_t efi_mmap_size; /* 0x1d4 */
-+ grub_uint8_t padding7_4[0x1e0 - 0x1d8]; /* 0x1d8 */
-+ } version_0206;
-+ };
-+
-+ grub_uint32_t alt_mem; /* 1e0 */
-+
-+ grub_uint8_t padding8[0x1e8 - 0x1e4]; /* 1e4 */
-+
-+ grub_uint8_t e820_nr_map; /* 1e8 */
-+ grub_uint8_t eddbuf_entries; /* 1e9 */
-+ grub_uint8_t edd_mbr_sig_buf_entries; /* 1ea */
-+
-+ grub_uint8_t padding9[0x1f1 - 0x1eb];
-+
-+ struct grub_linux_kernel_header hdr; /* 0x1f1 */
-+
-+ grub_uint8_t padding10[0x2d0-0x1f1-sizeof(struct grub_linux_kernel_header)];
-+
-+ grub_uint8_t e820_map[2560]; /* 0x2d0 */
-+
-+ grub_uint8_t padding11[0x1000 - 0xcd0];
-+} __attribute__ ((packed));
-+#endif /* ! ASM_FILE */
-+
-+#endif /* ! GRUB_LINUX_MACHINE_HEADER */
-diff --git a/efi/grub/i386/types.h b/efi/grub/i386/types.h
-new file mode 100644
-index 0000000..ec4174e
---- /dev/null
-+++ b/efi/grub/i386/types.h
-@@ -0,0 +1,32 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_TYPES_CPU_HEADER
-+#define GRUB_TYPES_CPU_HEADER 1
-+
-+/* The size of void *. */
-+#define GRUB_TARGET_SIZEOF_VOID_P 4
-+
-+/* The size of long. */
-+#define GRUB_TARGET_SIZEOF_LONG 4
-+
-+/* x64_64 is little-endian. */
-+#undef GRUB_TARGET_WORDS_BIGENDIAN
-+
-+#endif /* ! GRUB_TYPES_CPU_HEADER */
-diff --git a/efi/grub/misc.h b/efi/grub/misc.h
-new file mode 100644
-index 0000000..5ef2226
---- /dev/null
-+++ b/efi/grub/misc.h
-@@ -0,0 +1,71 @@
-+/* misc.h - prototypes for misc functions */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2003,2005,2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_MISC_HEADER
-+#define GRUB_MISC_HEADER 1
-+
-+#include <stdarg.h>
-+#include <grub/types.h>
-+
-+#define grub_dprintf(condition, fmt, args...) \
-+ grub_real_dprintf(__FILE__, __LINE__, condition, fmt, ## args)
-+
-+char *grub_stpcpy (char *dest, const char *src);
-+void grub_real_dprintf (const char *file,
-+ const int line,
-+ const char *condition,
-+ const char *fmt, ...)
-+ __attribute__ ((format (printf, 4, 5)));
-+void grub_exit (void) __attribute__ ((noreturn));
-+void grub_abort (void) __attribute__ ((noreturn));
-+void grub_fatal (const char *fmt, ...) __attribute__ ((noreturn));
-+grub_size_t grub_utf8_char_len(grub_uint8_t ch);
-+grub_uint32_t grub_utf8_to_utf32(const grub_uint8_t *src, grub_size_t length);
-+void grub_utf8_to_utf16(const grub_uint8_t *src, grub_size_t srclen,
-+ grub_uint16_t *dst, grub_size_t dstlen);
-+grub_uint8_t *grub_utf16_to_utf8 (grub_uint8_t * dest,
-+ grub_uint16_t * src, grub_size_t size);
-+
-+void *grub_malloc (grub_size_t size);
-+void grub_free (void *ptr);
-+
-+char *grub_strndup (const char *s, int n);
-+#define strndup grub_strndup
-+
-+int safe_parse_maxulong (char **str_ptr, unsigned long *myulong_ptr);
-+
-+#define E820_RAM 1
-+#define E820_RESERVED 2
-+#define E820_ACPI 3
-+#define E820_NVS 4
-+#define E820_EXEC_CODE 5
-+#define E820_MAX 128
-+
-+struct e820_entry
-+{
-+ grub_uint64_t addr; /* start of memory segment */
-+ grub_uint64_t size; /* size of memory segment */
-+ grub_uint32_t type; /* type of memory segment */
-+} __attribute__ ((packed));
-+
-+int grub_load_linux (char *kernel, char *arg);
-+int grub_load_initrd (char *initrd);
-+
-+#endif /* ! GRUB_MISC_HEADER */
-diff --git a/efi/grub/symbol.h b/efi/grub/symbol.h
-new file mode 100644
-index 0000000..5204c54
---- /dev/null
-+++ b/efi/grub/symbol.h
-@@ -0,0 +1,34 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 1999,2000,2001,2002,2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_SYMBOL_HEADER
-+#define GRUB_SYMBOL_HEADER 1
-+
-+#include <config.h>
-+
-+/* Add an underscore to a C symbol in assembler code if needed. */
-+#ifdef HAVE_ASM_USCORE
-+# define EXT_C(sym) _ ## sym
-+#else
-+# define EXT_C(sym) sym
-+#endif
-+
-+#define FUNCTION(x) .globl EXT_C(x) ; .type EXT_C(x), "function" ; EXT_C(x):
-+
-+#endif /* ! GRUB_SYMBOL_HEADER */
-diff --git a/efi/grub/types.h b/efi/grub/types.h
-new file mode 100644
-index 0000000..173adb4
---- /dev/null
-+++ b/efi/grub/types.h
-@@ -0,0 +1,158 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2005,2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_TYPES_HEADER
-+#define GRUB_TYPES_HEADER 1
-+
-+#include <config.h>
-+#include <grub/cpu/types.h>
-+
-+#define UNUSED __attribute__ ((unused))
-+
-+#ifdef GRUB_UTIL
-+# define GRUB_CPU_SIZEOF_VOID_P SIZEOF_VOID_P
-+# define GRUB_CPU_SIZEOF_LONG SIZEOF_LONG
-+# ifdef WORDS_BIGENDIAN
-+# define GRUB_CPU_WORDS_BIGENDIAN 1
-+# else
-+# undef GRUB_CPU_WORDS_BIGENDIAN
-+# endif
-+#else /* ! GRUB_UTIL */
-+# define GRUB_CPU_SIZEOF_VOID_P GRUB_TARGET_SIZEOF_VOID_P
-+# define GRUB_CPU_SIZEOF_LONG GRUB_TARGET_SIZEOF_LONG
-+# ifdef GRUB_TARGET_WORDS_BIGENDIAN
-+# define GRUB_CPU_WORDS_BIGENDIAN 1
-+# else
-+# undef GRUB_CPU_WORDS_BIGENDIAN
-+# endif
-+#endif /* ! GRUB_UTIL */
-+
-+#if GRUB_CPU_SIZEOF_VOID_P != GRUB_CPU_SIZEOF_LONG
-+# error "This architecture is not supported because sizeof(void *) != sizeof(long)"
-+#endif
-+
-+#if GRUB_CPU_SIZEOF_VOID_P != 4 && GRUB_CPU_SIZEOF_VOID_P != 8
-+# error "This architecture is not supported because sizeof(void *) != 4 and sizeof(void *) != 8"
-+#endif
-+
-+/* Define various wide integers. */
-+typedef signed char grub_int8_t;
-+typedef short grub_int16_t;
-+typedef int grub_int32_t;
-+#if GRUB_CPU_SIZEOF_VOID_P == 8
-+typedef long grub_int64_t;
-+#else
-+typedef long long grub_int64_t;
-+#endif
-+
-+typedef unsigned char grub_uint8_t;
-+typedef unsigned short grub_uint16_t;
-+typedef unsigned grub_uint32_t;
-+#if GRUB_CPU_SIZEOF_VOID_P == 8
-+typedef unsigned long grub_uint64_t;
-+#else
-+typedef unsigned long long grub_uint64_t;
-+#endif
-+
-+/* Misc types. */
-+#if GRUB_TARGET_SIZEOF_VOID_P == 8
-+typedef grub_uint64_t grub_target_addr_t;
-+typedef grub_uint64_t grub_target_off_t;
-+typedef grub_uint64_t grub_target_size_t;
-+typedef grub_int64_t grub_target_ssize_t;
-+#else
-+typedef grub_uint32_t grub_target_addr_t;
-+typedef grub_uint32_t grub_target_off_t;
-+typedef grub_uint32_t grub_target_size_t;
-+typedef grub_int32_t grub_target_ssize_t;
-+#endif
-+
-+typedef unsigned long grub_addr_t;
-+#if GRUB_CPU_SIZEOF_VOID_P == 8
-+typedef grub_uint64_t grub_size_t;
-+typedef grub_int64_t grub_ssize_t;
-+#else
-+typedef grub_uint32_t grub_size_t;
-+typedef grub_int32_t grub_ssize_t;
-+#endif
-+
-+/* The type for representing a file offset. */
-+typedef grub_uint64_t grub_off_t;
-+
-+/* The type for representing a disk block address. */
-+typedef grub_uint64_t grub_disk_addr_t;
-+
-+/* Byte-orders. */
-+#define grub_swap_bytes16(x) \
-+({ \
-+ grub_uint16_t _x = (x); \
-+ (grub_uint16_t) ((_x << 8) | (_x >> 8)); \
-+})
-+
-+#define grub_swap_bytes32(x) \
-+({ \
-+ grub_uint32_t _x = (x); \
-+ (grub_uint32_t) ((_x << 24) \
-+ | ((_x & (grub_uint32_t) 0xFF00UL) << 8) \
-+ | ((_x & (grub_uint32_t) 0xFF0000UL) >> 8) \
-+ | (_x >> 24)); \
-+})
-+
-+#define grub_swap_bytes64(x) \
-+({ \
-+ grub_uint64_t _x = (x); \
-+ (grub_uint64_t) ((_x << 56) \
-+ | ((_x & (grub_uint64_t) 0xFF00ULL) << 40) \
-+ | ((_x & (grub_uint64_t) 0xFF0000ULL) << 24) \
-+ | ((_x & (grub_uint64_t) 0xFF000000ULL) << 8) \
-+ | ((_x & (grub_uint64_t) 0xFF00000000ULL) >> 8) \
-+ | ((_x & (grub_uint64_t) 0xFF0000000000ULL) >> 24) \
-+ | ((_x & (grub_uint64_t) 0xFF000000000000ULL) >> 40) \
-+ | (_x >> 56)); \
-+})
-+
-+#ifdef GRUB_CPU_WORDS_BIGENDIAN
-+# define grub_cpu_to_le16(x) grub_swap_bytes16(x)
-+# define grub_cpu_to_le32(x) grub_swap_bytes32(x)
-+# define grub_cpu_to_le64(x) grub_swap_bytes64(x)
-+# define grub_le_to_cpu16(x) grub_swap_bytes16(x)
-+# define grub_le_to_cpu32(x) grub_swap_bytes32(x)
-+# define grub_le_to_cpu64(x) grub_swap_bytes64(x)
-+# define grub_cpu_to_be16(x) ((grub_uint16_t) (x))
-+# define grub_cpu_to_be32(x) ((grub_uint32_t) (x))
-+# define grub_cpu_to_be64(x) ((grub_uint64_t) (x))
-+# define grub_be_to_cpu16(x) ((grub_uint16_t) (x))
-+# define grub_be_to_cpu32(x) ((grub_uint32_t) (x))
-+# define grub_be_to_cpu64(x) ((grub_uint64_t) (x))
-+#else /* ! WORDS_BIGENDIAN */
-+# define grub_cpu_to_le16(x) ((grub_uint16_t) (x))
-+# define grub_cpu_to_le32(x) ((grub_uint32_t) (x))
-+# define grub_cpu_to_le64(x) ((grub_uint64_t) (x))
-+# define grub_le_to_cpu16(x) ((grub_uint16_t) (x))
-+# define grub_le_to_cpu32(x) ((grub_uint32_t) (x))
-+# define grub_le_to_cpu64(x) ((grub_uint64_t) (x))
-+# define grub_cpu_to_be16(x) grub_swap_bytes16(x)
-+# define grub_cpu_to_be32(x) grub_swap_bytes32(x)
-+# define grub_cpu_to_be64(x) grub_swap_bytes64(x)
-+# define grub_be_to_cpu16(x) grub_swap_bytes16(x)
-+# define grub_be_to_cpu32(x) grub_swap_bytes32(x)
-+# define grub_be_to_cpu64(x) grub_swap_bytes64(x)
-+#endif /* ! WORDS_BIGENDIAN */
-+
-+#endif /* ! GRUB_TYPES_HEADER */
-diff --git a/efi/grub/x86_64/linux.h b/efi/grub/x86_64/linux.h
-new file mode 100644
-index 0000000..4e81ca6
---- /dev/null
-+++ b/efi/grub/x86_64/linux.h
-@@ -0,0 +1,234 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_LINUX_MACHINE_HEADER
-+#define GRUB_LINUX_MACHINE_HEADER 1
-+
-+#define GRUB_LINUX_MAGIC_SIGNATURE 0x53726448 /* "HdrS" */
-+#define GRUB_LINUX_DEFAULT_SETUP_SECTS 4
-+#define GRUB_LINUX_FLAG_CAN_USE_HEAP 0x80
-+#define GRUB_LINUX_INITRD_MAX_ADDRESS 0x37FFFFFF
-+#define GRUB_LINUX_MAX_SETUP_SECTS 64
-+#define GRUB_LINUX_BOOT_LOADER_TYPE 0x72
-+#define GRUB_LINUX_HEAP_END_OFFSET (0x9000 - 0x200)
-+
-+#define GRUB_LINUX_BZIMAGE_ADDR 0x100000
-+#define GRUB_LINUX_ZIMAGE_ADDR 0x10000
-+#define GRUB_LINUX_OLD_REAL_MODE_ADDR 0x90000
-+#define GRUB_LINUX_SETUP_STACK 0x9000
-+
-+#define GRUB_LINUX_FLAG_BIG_KERNEL 0x1
-+
-+/* Linux's video mode selection support. Actually I hate it! */
-+#define GRUB_LINUX_VID_MODE_NORMAL 0xFFFF
-+#define GRUB_LINUX_VID_MODE_EXTENDED 0xFFFE
-+#define GRUB_LINUX_VID_MODE_ASK 0xFFFD
-+
-+#define GRUB_LINUX_CL_OFFSET 0x9000
-+#define GRUB_LINUX_CL_END_OFFSET 0x90FF
-+#define GRUB_LINUX_SETUP_MOVE_SIZE 0x9100
-+#define GRUB_LINUX_CL_MAGIC 0xA33F
-+
-+#if 0
-+#define GRUB_LINUX_EFI_SIGNATURE_X64 \
-+ ('4' << 24 | '6' << 16 | 'L' << 8 | 'E')
-+#else
-+#define GRUB_LINUX_EFI_SIGNATURE_X64 \
-+ ('L' << 24 | 'I' << 16 | 'F' << 8 | 'E')
-+#endif
-+
-+#ifndef ASM_FILE
-+
-+/* For the Linux/i386 boot protocol version 2.07. */
-+struct grub_linux_kernel_header
-+{
-+ grub_uint8_t setup_sects; /* The size of the setup in sectors */
-+ grub_uint16_t root_flags; /* If the root is mounted readonly */
-+ grub_uint32_t syssize; /* obsolete */
-+ grub_uint16_t ram_size; /* obsolete */
-+ grub_uint16_t vid_mode; /* Video mode control */
-+ grub_uint16_t root_dev; /* Default root device number */
-+ grub_uint16_t boot_flag; /* 0xAA55 magic number */
-+ grub_uint8_t jump_ins; /* Jump instruction */
-+ grub_uint8_t jump_off; /* Jump offset */
-+ grub_uint32_t header; /* Magic signature "HdrS" */
-+ grub_uint16_t version; /* Boot protocol version supported */
-+ grub_uint32_t realmode_swtch; /* Boot loader hook */
-+ grub_uint16_t start_sys; /* The load-low segment (obsolete) */
-+ grub_uint16_t kernel_version; /* Points to kernel version string */
-+ grub_uint8_t type_of_loader; /* Boot loader identifier */
-+ grub_uint8_t loadflags; /* Boot protocol option flags */
-+ grub_uint16_t setup_move_size;/* Move to high memory size */
-+ grub_uint32_t code32_start; /* Boot loader hook */
-+ grub_uint32_t ramdisk_image; /* initrd load address */
-+ grub_uint32_t ramdisk_size; /* initrd size */
-+ grub_uint32_t bootsect_kludge;/* obsolete */
-+ grub_uint16_t heap_end_ptr; /* Free memory after setup end */
-+ grub_uint16_t pad1; /* Unused */
-+ grub_uint32_t cmd_line_ptr; /* Points to the kernel command line */
-+ grub_uint32_t initrd_addr_max;/* Highest address for initrd */
-+ grub_uint32_t kernel_alignment;
-+ grub_uint8_t relocatable_kernel;
-+ grub_uint8_t min_alignment;
-+ grub_uint8_t pad2[2];
-+ grub_uint32_t cmdline_size;
-+ grub_uint32_t hardware_subarch;
-+ grub_uint64_t hardware_subarch_data;
-+ grub_uint32_t payload_offset;
-+ grub_uint32_t payload_length;
-+ grub_uint64_t setup_data;
-+ grub_uint64_t pref_address;
-+ grub_uint32_t init_size;
-+} __attribute__ ((packed));
-+
-+/* Boot parameters for Linux based on 2.6.12. This is used by the setup
-+ sectors of Linux, and must be simulated by GRUB on EFI, because
-+ the setup sectors depend on BIOS. */
-+struct linux_kernel_params
-+{
-+ grub_uint8_t video_cursor_x; /* 0 */
-+ grub_uint8_t video_cursor_y;
-+
-+ grub_uint16_t ext_mem; /* 2 */
-+
-+ grub_uint16_t video_page; /* 4 */
-+ grub_uint8_t video_mode; /* 6 */
-+ grub_uint8_t video_width; /* 7 */
-+
-+ grub_uint8_t padding1[0xa - 0x8];
-+
-+ grub_uint16_t video_ega_bx; /* a */
-+
-+ grub_uint8_t padding2[0xe - 0xc];
-+
-+ grub_uint8_t video_height; /* e */
-+ grub_uint8_t have_vga; /* f */
-+ grub_uint16_t font_size; /* 10 */
-+
-+ grub_uint16_t lfb_width; /* 12 */
-+ grub_uint16_t lfb_height; /* 14 */
-+ grub_uint16_t lfb_depth; /* 16 */
-+ grub_uint32_t lfb_base; /* 18 */
-+ grub_uint32_t lfb_size; /* 1c */
-+
-+ grub_uint16_t cl_magic; /* 20 */
-+ grub_uint16_t cl_offset;
-+
-+ grub_uint16_t lfb_line_len; /* 24 */
-+ grub_uint8_t red_mask_size; /* 26 */
-+ grub_uint8_t red_field_pos;
-+ grub_uint8_t green_mask_size;
-+ grub_uint8_t green_field_pos;
-+ grub_uint8_t blue_mask_size;
-+ grub_uint8_t blue_field_pos;
-+ grub_uint8_t reserved_mask_size;
-+ grub_uint8_t reserved_field_pos;
-+ grub_uint16_t vesapm_segment; /* 2e */
-+ grub_uint16_t vesapm_offset; /* 30 */
-+ grub_uint16_t lfb_pages; /* 32 */
-+ grub_uint16_t vesa_attrib; /* 34 */
-+ grub_uint32_t capabilities; /* 36 */
-+
-+ grub_uint8_t padding3[0x40 - 0x3a];
-+
-+ grub_uint16_t apm_version; /* 40 */
-+ grub_uint16_t apm_code_segment; /* 42 */
-+ grub_uint32_t apm_entry; /* 44 */
-+ grub_uint16_t apm_16bit_code_segment; /* 48 */
-+ grub_uint16_t apm_data_segment; /* 4a */
-+ grub_uint16_t apm_flags; /* 4c */
-+ grub_uint32_t apm_code_len; /* 4e */
-+ grub_uint16_t apm_data_len; /* 52 */
-+
-+ grub_uint8_t padding4[0x60 - 0x54];
-+
-+ grub_uint32_t ist_signature; /* 60 */
-+ grub_uint32_t ist_command; /* 64 */
-+ grub_uint32_t ist_event; /* 68 */
-+ grub_uint32_t ist_perf_level; /* 6c */
-+
-+ grub_uint8_t padding5[0x80 - 0x70];
-+
-+ grub_uint8_t hd0_drive_info[0x10]; /* 80 */
-+ grub_uint8_t hd1_drive_info[0x10]; /* 90 */
-+ grub_uint16_t rom_config_len; /* a0 */
-+
-+ grub_uint8_t padding6[0x1b8 - 0xa2];
-+
-+ union {
-+ struct {
-+ grub_uint32_t padding7_1; /* 0x1b8 */
-+ grub_uint32_t padding7_2; /* 0x1bc */
-+
-+ grub_uint32_t efi_signature; /* 1c0 */
-+ grub_uint32_t efi_system_table; /* 1c4 */
-+ grub_uint32_t efi_mem_desc_size; /* 1c8 */
-+ grub_uint32_t efi_mem_desc_version; /* 1cc */
-+ grub_uint32_t efi_mmap; /* 1d0 */
-+ grub_uint32_t efi_mmap_size; /* 1d4 */
-+ grub_uint32_t efi_system_table_hi; /* 1d8 */
-+ grub_uint32_t efi_mmap_hi; /* 1dc */
-+ } dunno;
-+ struct {
-+ grub_uint32_t efi_system_table; /* 1b8 */
-+
-+ grub_uint32_t padding7_1; /* 0x1bc */
-+
-+ grub_uint32_t efi_signature; /* 1c0 */
-+ grub_uint32_t efi_mem_desc_size; /* 1c4 */
-+ grub_uint32_t efi_mem_desc_version; /* 1c8 */
-+ grub_uint32_t efi_mmap_size; /* 1cc */
-+ grub_uint32_t efi_mmap; /* 1d0 */
-+
-+ grub_uint8_t padding7_2[0x1e0 - 0x1d4]; /* 1d4 */
-+ } version_0204;
-+ struct {
-+ grub_uint32_t padding7_1; /* 0x1b8 */
-+ grub_uint32_t padding7_2; /* 0x1bc */
-+ grub_uint32_t padding7_3; /* 0x1c0 */
-+ grub_uint32_t efi_system_table; /* 0x1c4 */
-+ grub_uint32_t efi_mem_desc_size; /* 0x1c8 */
-+ grub_uint32_t efi_mem_desc_version; /* 0x1cc */
-+ grub_uint32_t efi_mmap; /* 0x1d0 */
-+ grub_uint32_t efi_mmap_size; /* 0x1d4 */
-+ grub_uint8_t padding7_4[0x1e0 - 0x1d8]; /* 0x1d8 */
-+ } version_0206;
-+ };
-+
-+ grub_uint32_t alt_mem; /* 1e0 */
-+
-+ grub_uint8_t padding8[0x1e8 - 0x1e4]; /* 1e4 */
-+
-+ grub_uint8_t e820_nr_map; /* 1e8 */
-+ grub_uint8_t eddbuf_entries; /* 1e9 */
-+ grub_uint8_t edd_mbr_sig_buf_entries; /* 1ea */
-+
-+ grub_uint8_t padding9[0x1f1 - 0x1eb];
-+
-+ struct grub_linux_kernel_header hdr; /* 0x1f1 */
-+
-+ grub_uint8_t padding10[0x2d0-0x1f1-sizeof(struct grub_linux_kernel_header)];
-+
-+ grub_uint8_t e820_map[2560]; /* 0x2d0 */
-+
-+ grub_uint8_t padding11[0x1000 - 0xcd0];
-+} __attribute__ ((packed));
-+#endif /* ! ASM_FILE */
-+
-+#endif /* ! GRUB_LINUX_MACHINE_HEADER */
-diff --git a/efi/grub/x86_64/types.h b/efi/grub/x86_64/types.h
-new file mode 100644
-index 0000000..0c077f6
---- /dev/null
-+++ b/efi/grub/x86_64/types.h
-@@ -0,0 +1,32 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2006 Free Software Foundation, Inc.
-+ *
-+ * GRUB is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with GRUB; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRUB_TYPES_CPU_HEADER
-+#define GRUB_TYPES_CPU_HEADER 1
-+
-+/* The size of void *. */
-+#define GRUB_TARGET_SIZEOF_VOID_P 8
-+
-+/* The size of long. */
-+#define GRUB_TARGET_SIZEOF_LONG 8
-+
-+/* x64_64 is little-endian. */
-+#undef GRUB_TARGET_WORDS_BIGENDIAN
-+
-+#endif /* ! GRUB_TYPES_CPU_HEADER */
-diff --git a/efi/ia32/callwrap.S b/efi/ia32/callwrap.S
-new file mode 100644
-index 0000000..50d737f
---- /dev/null
-+++ b/efi/ia32/callwrap.S
-@@ -0,0 +1 @@
-+/* This file is a stub for ia32 building */
-diff --git a/efi/ia32/callwrap.c b/efi/ia32/callwrap.c
-new file mode 100644
-index 0000000..56df899
---- /dev/null
-+++ b/efi/ia32/callwrap.c
-@@ -0,0 +1,131 @@
-+
-+#define ENTRY(name) \
-+ ".globl " #name ";" \
-+ ".align 16;" \
-+ #name ":"
-+
-+asm(
-+ENTRY(i386_call0)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $8, %esp \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call1)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $20, %esp \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call2)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $16, %esp \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call3)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $12, %esp \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call4)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $8, %esp \n"
-+ "pushl 24(%ebp) \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call5)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $20, %esp \n"
-+ "pushl 28(%ebp) \n"
-+ "pushl 24(%ebp) \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_64_call5)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $12, %esp \n"
-+ "pushl 36(%ebp) \n"
-+ "pushl 32(%ebp) \n"
-+ "pushl 28(%ebp) \n"
-+ "pushl 24(%ebp) \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+
-+asm(
-+ENTRY(i386_call6)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $16, %esp \n"
-+ "pushl 32(%ebp) \n"
-+ "pushl 28(%ebp) \n"
-+ "pushl 24(%ebp) \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-+
-+asm(
-+ENTRY(i386_call7)
-+ "pushl %ebp \n"
-+ "movl %esp,%ebp \n"
-+ "subl $12, %esp \n"
-+ "pushl 36(%ebp) \n"
-+ "pushl 32(%ebp) \n"
-+ "pushl 28(%ebp) \n"
-+ "pushl 24(%ebp) \n"
-+ "pushl 20(%ebp) \n"
-+ "pushl 16(%ebp) \n"
-+ "pushl 12(%ebp) \n"
-+ "call *8(%ebp) \n"
-+ "leave \n"
-+ "ret \n"
-+ );
-diff --git a/efi/ia32/loader/bin_to_h.c b/efi/ia32/loader/bin_to_h.c
-new file mode 100644
-index 0000000..4cff104
---- /dev/null
-+++ b/efi/ia32/loader/bin_to_h.c
-@@ -0,0 +1,29 @@
-+#include <stdio.h>
-+#include <stdlib.h>
-+
-+int
-+main (void)
-+{
-+ unsigned n = 0;
-+ int c;
-+
-+ printf ("unsigned char switch_image[] = {\n");
-+
-+ while ((c = getchar ()) != EOF)
-+ {
-+ printf("0x%02x,%s",
-+ c & 0xFF,
-+ (++n & 0x07) ? " " : "\n");
-+ }
-+
-+ if (n & 0x07)
-+ {
-+ printf("\n");
-+ }
-+
-+ printf("};\n"
-+ "int switch_size = sizeof switch_image;\n");
-+
-+ return 0;
-+}
-+
-diff --git a/efi/ia32/loader/linux.c b/efi/ia32/loader/linux.c
-new file mode 100644
-index 0000000..d795d28
---- /dev/null
-+++ b/efi/ia32/loader/linux.c
-@@ -0,0 +1,648 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include "switch.h"
-+
-+#include <shared.h>
-+
-+#include "graphics.h"
-+
-+#define grub_file_size() filemax
-+
-+#define NEXT_MEMORY_DESCRIPTOR(desc, size) \
-+ ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
-+
-+#define PTR_HI(x) ((grub_uint32_t) ((unsigned long long)((unsigned long)(x)) >> 32))
-+
-+#ifndef SECTOR_SIZE
-+#define SECTOR_SIZE 0x200
-+#endif /* defined(SECTOR_SIZE) */
-+#ifndef SECTOR_BITS
-+#define SECTOR_BITS 9
-+#endif /* defined(SECTOR_BITS) */
-+
-+static unsigned long linux_mem_size;
-+static int loaded;
-+static void *real_mode_mem;
-+static void *prot_mode_mem;
-+static void *initrd_mem;
-+static grub_efi_uintn_t real_mode_pages;
-+static grub_efi_uintn_t prot_mode_pages;
-+static grub_efi_uintn_t initrd_pages;
-+static grub_efi_guid_t graphics_output_guid = GRUB_EFI_GRAPHICS_OUTPUT_GUID;
-+
-+static inline grub_size_t
-+page_align (grub_size_t size)
-+{
-+ return (size + (1 << 12) - 1) & (~((1 << 12) - 1));
-+}
-+
-+static void
-+free_pages (void)
-+{
-+ if (real_mode_mem)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) real_mode_mem, real_mode_pages);
-+ real_mode_mem = 0;
-+ }
-+
-+ if (prot_mode_mem)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) prot_mode_mem, prot_mode_pages);
-+ prot_mode_mem = 0;
-+ }
-+
-+ if (initrd_mem)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) initrd_mem, initrd_pages);
-+ initrd_mem = 0;
-+ }
-+
-+ if (mmap_buf)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) mmap_buf, mmap_pages);
-+ mmap_buf = 0;
-+ }
-+}
-+
-+/* Allocate pages for the real mode code and the protected mode code
-+ for linux as well as a memory map buffer. */
-+static int
-+allocate_pages (grub_size_t real_size, grub_size_t prot_size)
-+{
-+ grub_efi_uintn_t desc_size;
-+ grub_efi_memory_descriptor_t *mmap_end;
-+ grub_efi_memory_descriptor_t *desc;
-+ grub_efi_physical_address_t addr;
-+
-+ /* Make sure that each size is aligned to a page boundary. */
-+ real_size = page_align (real_size + SECTOR_SIZE);
-+ prot_size = page_align (prot_size);
-+
-+ grub_dprintf ("linux", "real_size = %x, prot_size = %x, mmap_size = %x\n",
-+ (unsigned int) real_size, (unsigned int) prot_size,
-+ (unsigned int) mmap_size);
-+
-+ /* Calculate the number of pages; Combine the real mode code with
-+ the memory map buffer for simplicity. */
-+ real_mode_pages = (real_size >> 12);
-+ prot_mode_pages = (prot_size >> 12);
-+
-+ /* Initialize the memory pointers with NULL for convenience. */
-+ real_mode_mem = 0;
-+ prot_mode_mem = 0;
-+
-+ if (grub_efi_get_memory_map (0, &desc_size, 0) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ addr = 0;
-+ mmap_end = NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
-+ /* First, find free pages for the real mode code
-+ and the memory map buffer. */
-+ for (desc = mmap_buf;
-+ desc < mmap_end;
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY
-+ && desc->num_pages >= real_mode_pages)
-+ {
-+ grub_efi_physical_address_t physical_end;
-+
-+ physical_end = desc->physical_start + (desc->num_pages << 12);
-+
-+ grub_dprintf ("linux", "physical_start = %x, physical_end = %x\n",
-+ (unsigned) desc->physical_start,
-+ (unsigned) physical_end);
-+ addr = physical_end - real_size;
-+ if (addr < 0x10000)
-+ continue;
-+
-+ grub_dprintf ("linux", "trying to allocate %u pages at %x\n",
-+ (unsigned) real_mode_pages, (unsigned) addr);
-+ real_mode_mem = grub_efi_allocate_pages (addr, real_mode_pages);
-+ if (! real_mode_mem)
-+ grub_fatal ("cannot allocate pages");
-+
-+ desc->num_pages -= real_mode_pages;
-+ break;
-+ }
-+ }
-+
-+ if (! real_mode_mem)
-+ {
-+ grub_printf ("cannot allocate real mode pages");
-+ errnum = ERR_WONT_FIT;
-+ goto fail;
-+ }
-+
-+ /* Next, find free pages for the protected mode code. */
-+ /* XXX what happens if anything is using this address? */
-+ prot_mode_mem = grub_efi_allocate_pages (0x100000, prot_mode_pages);
-+ if (! prot_mode_mem)
-+ grub_fatal("Cannot allocate pages for VMLINUZ");
-+
-+ return 1;
-+
-+ fail:
-+ free_pages ();
-+ return 0;
-+}
-+
-+/* do some funky stuff, then boot linux */
-+void
-+linux_boot (void)
-+{
-+ grub_printf ("zImage is not supported under EFI.\n");
-+ for (;;);
-+}
-+
-+#ifndef __x86_64__
-+struct {
-+ unsigned short limit;
-+ unsigned int base;
-+} __attribute__ ((packed))
-+ gdt_addr = { 0x800, 0x94000 },
-+ idt_addr = { 0, 0 };
-+
-+unsigned short init_gdt[] = {
-+ /* gdt[0]: dummy */
-+ 0, 0, 0, 0,
-+
-+ /* gdt[1]: unused */
-+ 0, 0, 0, 0,
-+
-+ /* gdt[2]: code */
-+ 0xFFFF, /* 4Gb - (0x100000*0x1000 = 4Gb) */
-+ 0x0000, /* base address=0 */
-+ 0x9A00, /* code read/exec */
-+ 0x00CF, /* granularity=4096, 386 (+5th nibble of limit) */
-+
-+ /* gdt[3]: data */
-+ 0xFFFF, /* 4Gb - (0x100000*0x1000 = 4Gb) */
-+ 0x0000, /* base address=0 */
-+ 0x9200, /* data read/write */
-+ 0x00CF, /* granularity=4096, 386 (+5th nibble of limit) */
-+};
-+#endif
-+
-+void
-+big_linux_boot (void)
-+{
-+ struct linux_kernel_params *params;
-+ struct grub_linux_kernel_header *lh;
-+ grub_efi_uintn_t map_key;
-+ grub_efi_uintn_t desc_size;
-+ grub_efi_uint32_t desc_version;
-+ int e820_nr_map;
-+ int i;
-+
-+ params = real_mode_mem;
-+
-+ graphics_set_kernel_params (params);
-+
-+ if (grub_efi_get_memory_map (&map_key, &desc_size, &desc_version) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ /* Pass e820 memmap. */
-+ e820_map_from_efi_map ((struct e820_entry *) params->e820_map, &e820_nr_map,
-+ mmap_buf, desc_size, mmap_size);
-+ params->e820_nr_map = e820_nr_map;
-+
-+ grub_dprintf(__func__,"got to ExitBootServices...\n");
-+ if (! grub_efi_exit_boot_services (map_key))
-+ grub_fatal ("cannot exit boot services");
-+ /* Note that no boot services are available from here. */
-+
-+ lh = ¶ms->hdr;
-+ /* Pass EFI parameters. */
-+ if (grub_le_to_cpu16 (lh->version) >= 0x0206) {
-+ params->version_0206.efi_mem_desc_size = desc_size;
-+ params->version_0206.efi_mem_desc_version = desc_version;
-+ params->version_0206.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->version_0206.efi_mmap_size = mmap_size;
-+ } else if (grub_le_to_cpu16 (lh->version) >= 0x0204) {
-+ params->version_0204.efi_mem_desc_size = desc_size;
-+ params->version_0204.efi_mem_desc_version = desc_version;
-+ params->version_0204.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->version_0204.efi_mmap_size = mmap_size;
-+ } else /* dunno */ {
-+ params->dunno.efi_mem_desc_size = desc_size;
-+ params->dunno.efi_mem_desc_version = desc_version;
-+ params->dunno.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->dunno.efi_mmap_size = mmap_size;
-+ params->dunno.efi_mmap_hi = PTR_HI(mmap_buf);
-+ }
-+
-+#ifdef __x86_64__
-+ /* copy our real mode transition code to 0x700 */
-+ memcpy ((void *) 0x700, switch_image, switch_size);
-+ asm volatile ( "mov $0x700, %%rdi" : :);
-+
-+ /* Pass parameters. */
-+ asm volatile ("mov %0, %%rsi" : : "m" (real_mode_mem));
-+ asm volatile ("movl %0, %%ebx" : : "m" (params->hdr.code32_start));
-+
-+ /* Enter Linux, switch from 64-bit long mode
-+ * to 32-bit protect mode, this code end address
-+ * must not exceed 0x1000, because linux kernel bootstrap
-+ * code will flush this area
-+ */
-+ asm volatile ( "jmp *%%rdi" : :);
-+#else
-+
-+ asm volatile ( "cli" : : );
-+
-+ grub_memset((void *)gdt_addr.base, gdt_addr.limit, 0);
-+ grub_memcpy((void *)gdt_addr.base, init_gdt, sizeof (init_gdt));
-+
-+ if (0) {
-+ /* copy our real mode transition code to 0x7C00 */
-+ memcpy ((void *) 0x7C00, switch_image, switch_size);
-+ asm volatile ( "mov $0x7C00, %%ebx" : : );
-+ asm volatile ( "jmp *%%ebx" : : );
-+ } else {
-+
-+ /* load descriptor table pointers */
-+ // asm volatile ( "lidt %0" : : "m" (idt_addr) );
-+ asm volatile ( "lgdt %0" : : "m" (gdt_addr) );
-+
-+ /*
-+ * ebx := 0 (%%TBD - do not know why, yet)
-+ * ecx := kernel entry point
-+ * esi := address of boot sector and setup data
-+ */
-+
-+ asm volatile ( "movl %0, %%esi" : : "m" (real_mode_mem) );
-+ asm volatile ( "movl %0, %%ecx" : : "m" (params->hdr.code32_start) );
-+ asm volatile ( "xorl %%ebx, %%ebx" : : );
-+
-+ /*
-+ * Jump to kernel entry point.
-+ */
-+
-+ asm volatile ( "jmp *%%ecx" : : );
-+ }
-+#endif
-+
-+ /* Never reach here. */
-+ for (;;);
-+}
-+
-+int
-+grub_load_linux (char *kernel, char *arg)
-+{
-+ struct grub_linux_kernel_header *lh;
-+ struct linux_kernel_params *params;
-+ static struct linux_kernel_params params_buf;
-+ grub_uint8_t setup_sects;
-+ grub_size_t real_size, prot_size;
-+ grub_ssize_t len;
-+ char *dest;
-+
-+ if (kernel == NULL)
-+ {
-+ errnum = ERR_BAD_FILENAME;
-+ grub_printf ("no kernel specified");
-+ goto fail1;
-+ }
-+
-+ if (! grub_open (kernel))
-+ goto fail1;
-+
-+ if (grub_read ((char *) ¶ms_buf, sizeof (params_buf))
-+ != sizeof (params_buf))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_close();
-+ grub_printf ("cannot read the linux header");
-+ goto fail;
-+ }
-+
-+ lh = ¶ms_buf.hdr;
-+
-+ if (lh->boot_flag != grub_cpu_to_le16 (0xaa55))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_close();
-+ grub_printf ("invalid magic number: %x", lh->boot_flag);
-+ goto fail;
-+ }
-+
-+ /* EFI support is quite new, so reject old versions. */
-+ if (lh->header != grub_cpu_to_le32 (GRUB_LINUX_MAGIC_SIGNATURE)
-+ || grub_le_to_cpu16 (lh->version) < 0x0203)
-+ {
-+ grub_close();
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("too old version");
-+ goto fail;
-+ }
-+
-+ /* I'm not sure how to support zImage on EFI. */
-+ if (! (lh->loadflags & GRUB_LINUX_FLAG_BIG_KERNEL))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("zImage is not supported");
-+ goto fail;
-+ }
-+
-+ setup_sects = lh->setup_sects;
-+
-+ real_size = 0x1000 + grub_strlen(arg);
-+ prot_size = grub_file_size () - (setup_sects << SECTOR_BITS) - SECTOR_SIZE;
-+
-+ if (! allocate_pages (real_size, prot_size))
-+ goto fail;
-+
-+ /* XXX Linux assumes that only elilo can boot Linux on EFI!!! */
-+ lh->type_of_loader = 0x50;
-+
-+ lh->cmd_line_ptr = (grub_uint32_t) (unsigned long) real_mode_mem + 0x1000;
-+
-+ lh->heap_end_ptr = LINUX_HEAP_END_OFFSET;
-+ lh->loadflags |= LINUX_FLAG_CAN_USE_HEAP;
-+
-+ lh->ramdisk_image = 0;
-+ lh->ramdisk_size = 0;
-+
-+ grub_memset(real_mode_mem, 0, real_size);
-+
-+ params = (struct linux_kernel_params *) real_mode_mem;
-+
-+ grub_memmove(¶ms->hdr, lh, 0x202 + lh->jump_off - 0x1f1);
-+
-+ params->cl_magic = GRUB_LINUX_CL_MAGIC;
-+ params->cl_offset = 0x1000;
-+
-+ /* These are not needed to be precise, because Linux uses these values
-+ only to raise an error when the decompression code cannot find good
-+ space. */
-+ params->ext_mem = ((32 * 0x100000) >> 10);
-+ params->alt_mem = ((32 * 0x100000) >> 10);
-+
-+ /* No APM on EFI. */
-+ params->apm_version = 0;
-+ params->apm_code_segment = 0;
-+ params->apm_entry = 0;
-+ params->apm_16bit_code_segment = 0;
-+ params->apm_data_segment = 0;
-+ params->apm_flags = 0;
-+ params->apm_code_len = 0;
-+ params->apm_data_len = 0;
-+
-+ /* XXX is there any way to use SpeedStep on EFI? */
-+ params->ist_signature = 0;
-+ params->ist_command = 0;
-+ params->ist_event = 0;
-+ params->ist_perf_level = 0;
-+
-+ /* Let the kernel probe the information. */
-+ grub_memset (params->hd0_drive_info, 0, sizeof (params->hd0_drive_info));
-+ grub_memset (params->hd1_drive_info, 0, sizeof (params->hd1_drive_info));
-+
-+ /* No MCA on EFI. */
-+ params->rom_config_len = 0;
-+
-+ if (grub_le_to_cpu16 (lh->version) >= 0x0206) {
-+ grub_memcpy(¶ms->version_0204.efi_signature, "EL32", 4);
-+ params->version_0206.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ } else if (grub_le_to_cpu16 (lh->version) >= 0x0204) {
-+ grub_memcpy(¶ms->version_0204.efi_signature, "EFIL", 4);
-+ params->version_0204.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ } else /* dunno */ {
-+ params->dunno.efi_signature = GRUB_LINUX_EFI_SIGNATURE_X64;
-+ params->dunno.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ params->dunno.efi_system_table_hi = PTR_HI(grub_efi_system_table);
-+ }
-+ /* The other EFI parameters are filled when booting. */
-+
-+ /* No EDD */
-+ params->eddbuf_entries = 0;
-+ params->edd_mbr_sig_buf_entries = 0;
-+
-+ /* XXX there is no way to know if the kernel really supports EFI. */
-+ grub_printf ("[Linux-EFI, setup=0x%x, size=0x%x]\n", (unsigned int)real_size,
-+ (unsigned int)prot_size);
-+
-+ /* Check the mem= option to limit memory used for initrd. */
-+ {
-+ char *mem;
-+
-+ mem = grub_strstr (arg, "mem=");
-+ if (mem)
-+ {
-+ char *value = mem + 4;
-+
-+ safe_parse_maxulong (&value, &linux_mem_size);
-+ switch (errnum)
-+ {
-+ case ERR_NUMBER_OVERFLOW:
-+ /* If an overflow occurs, use the maximum address for
-+ initrd instead. This is good, because MAXINT is
-+ greater than LINUX_INITRD_MAX_ADDRESS. */
-+ linux_mem_size = LINUX_INITRD_MAX_ADDRESS;
-+ errnum = ERR_NONE;
-+ break;
-+
-+ case ERR_NONE:
-+ {
-+ int shift = 0;
-+
-+ switch (grub_tolower (*value))
-+ {
-+ case 'g':
-+ shift += 10;
-+ case 'm':
-+ shift += 10;
-+ case 'k':
-+ shift += 10;
-+ default:
-+ break;
-+ }
-+
-+ /* Check an overflow. */
-+ if (linux_mem_size > (~0UL >> shift))
-+ linux_mem_size = 0;
-+ else
-+ linux_mem_size <<= shift;
-+ }
-+ break;
-+
-+ default:
-+ linux_mem_size = 0;
-+ errnum = ERR_NONE;
-+ break;
-+ }
-+ }
-+ else
-+ linux_mem_size = 0;
-+ }
-+
-+ dest = grub_stpcpy ((char *) real_mode_mem + 0x1000, skip_to(0, arg));
-+
-+ grub_seek ((setup_sects << SECTOR_BITS) + SECTOR_SIZE);
-+ len = prot_size;
-+ if (grub_read ((char *) GRUB_LINUX_BZIMAGE_ADDR, len) != len)
-+ grub_printf ("Couldn't read file");
-+
-+ if (errnum == ERR_NONE)
-+ {
-+ loaded = 1;
-+ }
-+
-+ fail:
-+
-+ grub_close ();
-+
-+ fail1:
-+
-+ if (errnum != ERR_NONE)
-+ {
-+ loaded = 0;
-+ }
-+ return errnum ? KERNEL_TYPE_NONE : KERNEL_TYPE_BIG_LINUX;
-+}
-+
-+int
-+grub_load_initrd (char *initrd)
-+{
-+ grub_ssize_t size;
-+ grub_addr_t addr_min, addr_max;
-+ grub_addr_t addr;
-+ grub_efi_uintn_t map_key;
-+ grub_efi_memory_descriptor_t *mmap_end;
-+ grub_efi_memory_descriptor_t *desc;
-+ grub_efi_memory_descriptor_t tdesc;
-+ grub_efi_uintn_t desc_size;
-+ grub_efi_uint32_t desc_version;
-+ struct linux_kernel_params *params;
-+
-+ if (initrd == NULL)
-+ {
-+ errnum = ERR_BAD_FILENAME;
-+ grub_printf ("No module specified");
-+ goto fail1;
-+ }
-+
-+ if (! loaded)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("You need to load the kernel first.");
-+ goto fail1;
-+ }
-+
-+ if (! grub_open (initrd))
-+ goto fail1;
-+
-+ size = grub_file_size ();
-+ initrd_pages = (page_align (size) >> 12);
-+
-+ params = (struct linux_kernel_params *) real_mode_mem;
-+ grub_dprintf(__func__, "initrd_pages: %lu\n", initrd_pages);
-+
-+ addr_max = grub_cpu_to_le32 (params->hdr.initrd_addr_max);
-+ if (linux_mem_size != 0 && linux_mem_size < addr_max)
-+ addr_max = linux_mem_size;
-+ addr_max &= ~((1 << 12)-1);
-+
-+ /* Linux 2.3.xx has a bug in the memory range check, so avoid
-+ the last page.
-+ Linux 2.2.xx has a bug in the memory range check, which is
-+ worse than that of Linux 2.3.xx, so avoid the last 64kb. */
-+ //addr_max -= 0x10000;
-+
-+ /* Usually, the compression ratio is about 50%. */
-+ addr_min = (grub_addr_t) prot_mode_mem + ((prot_mode_pages * 3) << 12);
-+ grub_dprintf(__func__, "prot_mode_mem=%p prot_mode_pages=%lu\n", prot_mode_mem, prot_mode_pages);
-+
-+ /* Find the highest address to put the initrd. */
-+ if (grub_efi_get_memory_map (&map_key, &desc_size, &desc_version) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ mmap_end = NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
-+ addr = 0;
-+ for (desc = mmap_buf;
-+ desc < mmap_end;
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ if (desc->type != GRUB_EFI_CONVENTIONAL_MEMORY)
-+ continue;
-+ memcpy(&tdesc, desc, sizeof (tdesc));
-+ if (tdesc.physical_start < addr_min
-+ && tdesc.num_pages > ((addr_min - tdesc.physical_start) >> 12))
-+ {
-+ tdesc.num_pages -= ((addr_min - tdesc.physical_start) >> 12);
-+ tdesc.physical_start = addr_min;
-+ }
-+
-+ grub_dprintf(__func__, "desc = {type=%d,ps=0x%llx,vs=0x%llx,sz=%llu,attr=%llu}\n", desc->type, (unsigned long long)desc->physical_start, (unsigned long long)desc->virtual_start, (unsigned long long)desc->num_pages, (unsigned long long)desc->attribute);
-+ if (tdesc.physical_start >= addr_min
-+ && tdesc.physical_start + page_align (size) <= addr_max
-+ && tdesc.num_pages >= initrd_pages)
-+ {
-+ grub_efi_physical_address_t physical_end;
-+
-+ physical_end = tdesc.physical_start + (tdesc.num_pages << 12);
-+ if (physical_end > addr_max)
-+ physical_end = addr_max;
-+
-+ if (physical_end <= 0x7fffffffUL && physical_end > addr)
-+ addr = physical_end - page_align (size);
-+ }
-+ }
-+
-+ if (addr == 0)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("no free pages available");
-+ goto fail;
-+ }
-+
-+ initrd_mem = grub_efi_allocate_pages (addr, initrd_pages);
-+ if (! initrd_mem)
-+ grub_fatal ("cannot allocate pages: %x@%x", (unsigned)initrd_pages,
-+ (unsigned)addr);
-+
-+ if (grub_read (initrd_mem, size) != size)
-+ {
-+ grub_printf ("Couldn't read file");
-+ goto fail;
-+ }
-+
-+ grub_printf (" [Initrd, addr=0x%x, size=0x%x]\n", (unsigned int) addr,
-+ (unsigned int) size);
-+
-+ params->hdr.ramdisk_image = addr;
-+ params->hdr.ramdisk_size = size;
-+
-+ fail:
-+ grub_close ();
-+ fail1:
-+ return !errnum;
-+}
-diff --git a/efi/ia32/loader/switch.S b/efi/ia32/loader/switch.S
-new file mode 100644
-index 0000000..14142e9
---- /dev/null
-+++ b/efi/ia32/loader/switch.S
-@@ -0,0 +1,118 @@
-+#
-+# Switch from protected mode to real mode and jump to setup.S
-+# image located at %cx:0.
-+#
-+# This module must be placed into physical memory at 0:7C00h.
-+# EFI has some real mode thunking code at 2000:0h.
-+#
-+# Processor and non-maskable interrupts should be disabled
-+# before control is passed to this module.
-+#
-+
-+.global _start
-+
-+.code32
-+.text
-+_start:
-+ #
-+ # Load identity mapped GDT & real mode IDT.
-+ # Add 7C00h to the addresses since this is linked to start
-+ # at 0h and it is being placed at 7C00h.
-+ #
-+
-+ lgdt %cs:gdt_48 + 0x7C00
-+ lidt %cs:idt_48 + 0x7C00
-+
-+ #
-+ # Turn off PG bit in CR0 and set CR3 to zero.
-+ #
-+
-+ movl %cr0, %eax
-+ andl $0x7FFFFFFF, %eax
-+ movl %eax, %cr0
-+
-+ xorl %eax, %eax
-+ movl %eax, %cr3
-+
-+ #
-+ # Reload CS.
-+ # Now we add 7B00h because we need to force the segment
-+ # address and selector to be the same.
-+ #
-+
-+ .byte 0xEA
-+ .long pm_reload + 0x7B00
-+ .word 0x10
-+
-+pm_reload:
-+
-+.code16
-+
-+ #
-+ # Reload DS, ES, FS, GS & SS.
-+ #
-+
-+ movw $0x18, %ax
-+ movw %ax, %ds
-+ movw %ax, %es
-+ movw %ax, %fs
-+ movw %ax, %gs
-+ movw %ax, %ss
-+
-+ #
-+ # Switch to real mode. Clear PE bit in CR0.
-+ #
-+
-+ movl %cr0, %eax
-+ andl $0xFFFFFFFE, %eax
-+ movl %eax, %cr0
-+
-+ #
-+ # Reload CS.
-+ #
-+
-+ .byte 0xEA
-+ .word rm_reload + 0x7C00
-+ .word 0
-+
-+rm_reload:
-+
-+ #
-+ # Reload SS & SP.
-+ #
-+
-+ xorw %ax, %ax
-+ movw %ax, %ss
-+ movw $0x7BFE, %sp
-+
-+ #
-+ # Start running setup.S
-+ #
-+
-+ .byte 0xEA
-+ .word 0
-+ .word 0x9020
-+
-+ #
-+ # GDT & IDT stuff for switching into real mode.
-+ #
-+
-+gdt: .word 0, 0, 0, 0 # unused (00h)
-+ .word 0, 0, 0, 0 # dummy (08h)
-+ .word 0xFFFF, 0x100 # code (10h)
-+ .word 0x9A00, 0
-+ .word 0xFFFF, 0x180 # data (18h)
-+ .word 0x9200, 0
-+
-+gdt_48: .word 0x08 * 0x400
-+ .long gdt + 0x7C00
-+
-+idt_48: .word 0x400
-+ .long 0
-+
-+ #
-+ # Be careful not to exceed 1F0h or the the bootsect.S
-+ # parameters will be lost!
-+ #
-+
-+.end
-diff --git a/efi/ia32/loader/switch.h b/efi/ia32/loader/switch.h
-new file mode 100644
-index 0000000..4e18dde
---- /dev/null
-+++ b/efi/ia32/loader/switch.h
-@@ -0,0 +1,19 @@
-+unsigned char switch_image[] = {
-+0x2e, 0x0f, 0x01, 0x15, 0x6f, 0x7c, 0x00, 0x00,
-+0x2e, 0x0f, 0x01, 0x1d, 0x75, 0x7c, 0x00, 0x00,
-+0x0f, 0x20, 0xc0, 0x25, 0xff, 0xff, 0xff, 0x7f,
-+0x0f, 0x22, 0xc0, 0x31, 0xc0, 0x0f, 0x22, 0xd8,
-+0xea, 0x27, 0x7b, 0x00, 0x00, 0x10, 0x00, 0xb8,
-+0x18, 0x00, 0x8e, 0xd8, 0x8e, 0xc0, 0x8e, 0xe0,
-+0x8e, 0xe8, 0x8e, 0xd0, 0x0f, 0x20, 0xc0, 0x66,
-+0x83, 0xe0, 0xfe, 0x0f, 0x22, 0xc0, 0xea, 0x43,
-+0x7c, 0x00, 0x00, 0x31, 0xc0, 0x8e, 0xd0, 0xbc,
-+0xfe, 0x7b, 0xea, 0x00, 0x00, 0x20, 0x90, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
-+0xff, 0x00, 0x01, 0x00, 0x9a, 0x00, 0x00, 0xff,
-+0xff, 0x80, 0x01, 0x00, 0x92, 0x00, 0x00, 0x00,
-+0x20, 0x4f, 0x7c, 0x00, 0x00, 0x00, 0x04, 0x00,
-+0x00, 0x00, 0x00,
-+};
-+int switch_size = sizeof switch_image;
-diff --git a/efi/ia32/reloc.c b/efi/ia32/reloc.c
-new file mode 100644
-index 0000000..72db0f6
---- /dev/null
-+++ b/efi/ia32/reloc.c
-@@ -0,0 +1,79 @@
-+/* reloc_x86_64.c - position independent x86_64 ELF shared object relocator
-+ Copyright (C) 1999 Hewlett-Packard Co.
-+ Contributed by David Mosberger <davidm(a)hpl.hp.com>.
-+ Copyright (C) 2005 Intel Co.
-+ Contributed by Fenghua Yu <fenghua.yu(a)intel.com>.
-+
-+ This file is part of GNU-EFI, the GNU EFI development environment.
-+
-+ GNU EFI is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License as published by
-+ the Free Software Foundation; either version 2, or (at your option)
-+ any later version.
-+
-+ GNU EFI is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ GNU General Public License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with GNU EFI; see the file COPYING. If not, write to the Free
-+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-+ 02111-1307, USA. */
-+
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <link.h>
-+
-+grub_efi_status_t _relocate (long ldbase, ElfW(Dyn) *dyn,
-+ grub_efi_handle_t image_handle,
-+ grub_efi_system_table_t *sys_tab)
-+{
-+ //extern EFI_STATUS efi_main (EFI_HANDLE, EFI_SYSTEM_TABLE *);
-+ long relsz = 0, relent = 0;
-+ ElfW(Rel) *rel = 0;
-+ unsigned long *addr;
-+ int i;
-+
-+ for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
-+ switch (dyn[i].d_tag) {
-+ case DT_REL:
-+ rel = (ElfW(Rel)*) ((long) dyn[i].d_un.d_ptr + ldbase);
-+ break;
-+
-+ case DT_RELSZ:
-+ relsz = dyn[i].d_un.d_val;
-+ break;
-+
-+ case DT_RELENT:
-+ relent = dyn[i].d_un.d_val;
-+ break;
-+
-+ default:
-+ continue;
-+ }
-+ }
-+
-+ if (!rel || relent == 0){
-+ return GRUB_EFI_LOAD_ERROR;
-+ }
-+ while (relsz > 0) {
-+ /* apply the relocs */
-+ switch (ELF64_R_TYPE (rel->r_info)) {
-+ case R_386_NONE:
-+ break;
-+
-+ case R_386_RELATIVE:
-+ addr = (unsigned long *) (ldbase + rel->r_offset);
-+ *addr += ldbase;
-+ break;
-+
-+ default:
-+ break;
-+ }
-+ rel = (ElfW(Rel)*) ((char *) rel + relent);
-+ relsz -= relent;
-+ }
-+ return GRUB_EFI_SUCCESS;
-+}
-+
-diff --git a/efi/ia32/setjmp.S b/efi/ia32/setjmp.S
-new file mode 100644
-index 0000000..38c33af
---- /dev/null
-+++ b/efi/ia32/setjmp.S
-@@ -0,0 +1,86 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2000 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+/* This is stolen from libc/x86/setjmp.S in the OSKit */
-+/*
-+ * Mach Operating System
-+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
-+ * All Rights Reserved.
-+ *
-+ * Permission to use, copy, modify and distribute this software and its
-+ * documentation is hereby granted, provided that both the copyright
-+ * notice and this permission notice appear in all copies of the
-+ * software, derivative works or modified versions, and any portions
-+ * thereof, and that both notices appear in supporting documentation.
-+ *
-+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
-+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
-+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
-+ *
-+ * Carnegie Mellon requests users of this software to return to
-+ *
-+ * Software Distribution Coordinator or Software.Distribution(a)CS.CMU.EDU
-+ * School of Computer Science
-+ * Carnegie Mellon University
-+ * Pittsburgh PA 15213-3890
-+ *
-+ * any improvements or extensions that they make and grant Carnegie Mellon
-+ * the rights to redistribute these changes.
-+ */
-+/*
-+ * C library -- _setjmp, _longjmp
-+ *
-+ * _longjmp(a,v)
-+ * will generate a "return(v)" from
-+ * the last call to
-+ * _setjmp(a)
-+ * by restoring registers from the stack,
-+ * The previous signal state is NOT restored.
-+ *
-+ */
-+#include <grub/symbol.h>
-+
-+ .file "setjmp.S"
-+
-+ .text
-+
-+FUNCTION(grub_setjmp)
-+ movl 4(%esp), %ecx /* fetch buffer */
-+ movl %ebx, 0(%ecx)
-+ movl %esi, 4(%ecx)
-+ movl %edi, 8(%ecx)
-+ movl %ebp, 12(%ecx) /* save frame pointer of caller */
-+ popl %edx
-+ movl %esp, 16(%ecx) /* save stack pointer of caller */
-+ movl %edx, 20(%ecx) /* save pc of caller */
-+ xorl %eax, %eax
-+ jmp *%edx
-+
-+FUNCTION(grub_longjmp)
-+ movl 8(%esp), %eax /* return(v) */
-+ movl 4(%esp), %ecx /* fetch buffer */
-+ movl 0(%ecx), %ebx
-+ movl 4(%ecx), %esi
-+ movl 8(%ecx), %edi
-+ movl 12(%ecx), %ebp
-+ movl 16(%ecx), %esp
-+ orl %eax, %eax
-+ jnz 0f
-+ incl %eax
-+0: jmp *20(%ecx) /* done, return.... */
-diff --git a/efi/pxe.c b/efi/pxe.c
-new file mode 100644
-index 0000000..59f0d0d
---- /dev/null
-+++ b/efi/pxe.c
-@@ -0,0 +1,460 @@
-+
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/misc.h>
-+#include <grub/misc.h>
-+
-+#include <shared.h>
-+#include <stddef.h>
-+
-+#include "pxe.h"
-+#include "dhcp.h"
-+
-+/* Search path is:
-+ *
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/1902dcf5-7190-d811-bbd6-6ef21c690030
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/01-00-30-6e-f2-1c-69
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A103437
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A10343
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A1034
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A103
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A10
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A1
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0A
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/0
-+ * X86PC/UNDI/pxelinux/pxelinux.cfg/default
-+ *
-+ * The paths we get from uefi are like:
-+ * .BootBootFile: X86PC/UNDI/pxelinux/bootx64.efi
-+ * .BootCiAddr: 0.0.0.0
-+ * .BootYiAddr: 10.16.52.158
-+ * .BootSiAddr: 10.16.52.16
-+ */
-+
-+typedef struct {
-+ char *options;
-+ EFI_DHCP4_PACKET_OPTION *current_option;
-+} dhcp_option_parser;
-+
-+static void dhcp_option_parser_reset(dhcp_option_parser *parser,
-+ EFI_PXE_BASE_CODE_PACKET *packet)
-+{
-+ char *addr;
-+
-+ addr = (char *)packet;
-+ addr += offsetof(EFI_PXE_BASE_CODE_DHCPV4_PACKET, DhcpOptions);
-+ parser->current_option = (void *)addr;
-+ parser->options = (void *)addr;
-+}
-+
-+static int dhcp_option_parser_next(dhcp_option_parser *parser,
-+ EFI_DHCP4_PACKET_OPTION **option)
-+{
-+ char *current_option;
-+ if (parser->current_option->OpCode == 255) {
-+ *option = NULL;
-+ return 0;
-+ }
-+ current_option = (char *)parser->current_option;
-+ current_option += 2 + parser->current_option->Length;
-+ parser->current_option = (EFI_DHCP4_PACKET_OPTION *)current_option;
-+
-+ *option = parser->current_option;
-+ return 1;
-+}
-+
-+#define DHCPMAGIK "\x63\x82\x53\x63"
-+
-+static int get_dhcp_client_id(EFI_PXE_BASE_CODE_PACKET *packet, uuid_t *uuid)
-+{
-+ dhcp_option_parser parser;
-+ EFI_DHCP4_PACKET_OPTION *option;
-+
-+ dhcp_option_parser_reset(&parser, packet);
-+
-+ if (memcmp((char *)&packet->Dhcpv4.DhcpMagik, DHCPMAGIK, 4))
-+ return 0;
-+
-+ while (dhcp_option_parser_next(&parser, &option)) {
-+ int i;
-+ char data[option->Length];
-+
-+ if (option->OpCode != 97)
-+ continue;
-+
-+ if (option->Length != 17)
-+ continue;
-+
-+ memcpy(data, option->Data, option->Length);
-+ if (data[0] != 0)
-+ continue;
-+
-+ /* 97[17]: 009cfe245ed0c8bd45a79f54ea5fbd3d97
-+ * ^^^^^^^^^^^^ uint8_t[]
-+ * ^^ uint8_t
-+ * ^^ uint8_t
-+ * ^^^^ BE uint16_t
-+ * ^^^^ BE uint16_t
-+ * ^^^^^^^^ BE uint32_t
-+ * ^^ "type". 0 means UUID.
-+ */
-+ memcpy(uuid, data+1, 16);
-+ uuid->time_low = htonl(uuid->time_low);
-+ uuid->time_mid = htons(uuid->time_mid);
-+ uuid->time_hi_ver = htons(uuid->time_hi_ver);
-+
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+#if 0
-+static void grub_dump_dhcp_options(EFI_PXE_BASE_CODE_PACKET *packet)
-+{
-+ dhcp_option_parser parser;
-+ EFI_DHCP4_PACKET_OPTION *option;
-+ char hex[] = "0123456789abcdef";
-+ int i;
-+ int j = 0;
-+
-+ dhcp_option_parser_reset(&parser, packet);
-+
-+ if (memcmp((char *)&packet->Dhcpv4.DhcpMagik, DHCPMAGIK, 4))
-+ return;
-+
-+ /* 54[4]: a0014301
-+ * 51[4]: 00004506
-+ * 1[4]: ffffff00
-+ * 3[4]: a00143ef
-+ * 6[8]: a001ff20a001ff30
-+ * 15[48]: 96e6374716c6c6e226f637e2275646861647e236f6d60226f637e2275646861647e236f6d602275646861647e236f6d6
-+ * 28[4]: a00143ff
-+ * 40[10]: 275646861647e236f6d6
-+ * 41[8]: a001ff20a001ff30
-+ * 58[4]: 0000a203
-+ * 59[4]: 0000944d
-+ * this is the one we want:
-+ * 97[17]: 009cfe245ed0c8bd45a79f54ea5fbd3d97
-+ * ^^^^^^^^^^^^ in order
-+ * ^^
-+ * ^^
-+ * ^^^^ out of order
-+ * ^^^^ out of order
-+ * ^^^^^^^^ out of order
-+ * ^^ "type". 0 means UUID.
-+ * 255[0]:
-+ */
-+ while (dhcp_option_parser_next(&parser, &option)) {
-+ char data[option->Length + 1];
-+
-+ memcpy(data, option->Data, option->Length);
-+ data[option->Length] = '\0';
-+
-+ grub_printf("%d[%d]: ", option->OpCode, option->Length);
-+ for (i = 0; i < option->Length; i++) {
-+ grub_printf("%c%c", hex[data[i] & 0xf],
-+ hex[(data[i] & 0xf0) >> 4]);
-+ }
-+ printf("\n");
-+ }
-+
-+}
-+
-+void grub_print_dhcp_info(grub_efi_loaded_image_t *loaded_image)
-+{
-+ EFI_PXE_BASE_CODE *pxe = NULL;
-+ EFI_PXE_BASE_CODE_PACKET *packet;
-+
-+ grub_printf("got to %s\n", __func__);
-+
-+ pxe = grub_efi_locate_protocol(&PxeBaseCodeProtocol, NULL);
-+ if (pxe == NULL)
-+ return;
-+
-+ printf("DhcpDiscover options:\n");
-+ packet = (EFI_PXE_BASE_CODE_PACKET *)&pxe->Mode->DhcpDiscover.Dhcpv4;
-+ grub_dump_dhcp_options(packet);
-+
-+ printf("DhcpAck options:\n");
-+ packet = (EFI_PXE_BASE_CODE_PACKET *)&pxe->Mode->DhcpAck.Dhcpv4;
-+ grub_dump_dhcp_options(packet);
-+
-+ printf("PxeDiscover options:\n");
-+ packet = (EFI_PXE_BASE_CODE_PACKET *)&pxe->Mode->PxeDiscover.Dhcpv4;
-+ grub_dump_dhcp_options(packet);
-+
-+ printf("PxeReply options:\n");
-+ packet = (EFI_PXE_BASE_CODE_PACKET *)&pxe->Mode->PxeReply.Dhcpv4;
-+ grub_dump_dhcp_options(packet);
-+
-+#if 0
-+ printf("pxe->Mode->DhcpAck.Dhcpv4: \n");
-+ printf("\t.BootSrvName: %s\n", pxe->Mode->DhcpAck.Dhcpv4.BootpSrvName);
-+ printf("\t.BootBootFile: %s\n", pxe->Mode->DhcpAck.Dhcpv4.BootpBootFile);
-+ printf("\t.BootCiAddr: %d.%d.%d.%d\n",
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpCiAddr[0],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpCiAddr[1],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpCiAddr[2],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpCiAddr[3]);
-+ printf("\t.BootYiAddr: %d.%d.%d.%d\n",
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpYiAddr[0],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpYiAddr[1],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpYiAddr[2],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpYiAddr[3]);
-+ printf("\t.BootSiAddr: %d.%d.%d.%d\n",
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpSiAddr[0],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpSiAddr[1],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpSiAddr[2],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpSiAddr[3]);
-+ printf("\t.BootGiAddr: %d.%d.%d.%d\n",
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpGiAddr[0],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpGiAddr[1],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpGiAddr[2],
-+ pxe->Mode->DhcpAck.Dhcpv4.BootpGiAddr[3]);
-+ }
-+ printf("\n");
-+#endif
-+
-+
-+}
-+#endif
-+
-+static void icmp_print_error(EFI_PXE_BASE_CODE *pxe)
-+{
-+ EFI_PXE_BASE_CODE_ICMP_ERROR *err = &pxe->Mode->IcmpError;
-+ int i;
-+ //char hex[] = "0123456789abcdef";
-+
-+ printf("icmp error\n");
-+ printf("type: %d code: %d\n", err->Type, err->Code);
-+ printf("data: \n");
-+ for(i = 0; i < 464; i+=16) {
-+ int x;
-+ for (x = i; x < i+4; x++)
-+ printf("%02x ", err->Data[x]);
-+ printf(" ");
-+ for (x = i+4; x < i+8; x++)
-+ printf("%02x ", err->Data[x]);
-+ printf(" ");
-+ printf(" ");
-+ for (x = i+8; x < i+12; x++)
-+ printf("%02x ", err->Data[x]);
-+ printf(" ");
-+ for (x = i+12; x < i+16; x++)
-+ printf("%02x ", err->Data[x]);
-+ printf("\n");
-+ }
-+}
-+
-+static int grub_efi_pxe_check_for_file(
-+ EFI_PXE_BASE_CODE *pxe,
-+ EFI_IP_ADDRESS *ServerIp,
-+ char *BootpBootFile,
-+ char *configname,
-+ char **returnpath)
-+{
-+ size_t bplen = strlen(BootpBootFile);
-+ char *Filename = grub_malloc(24 + bplen + 40);
-+ char *lastslash = Filename + bplen;
-+ grub_efi_uintn_t size;
-+ int i;
-+ EFI_STATUS rc;
-+ char Buffer[8192];
-+
-+ memcpy(Filename, BootpBootFile, bplen);
-+
-+ for (i = 0; i < bplen; i++) {
-+ if (Filename[i] == '/')
-+ lastslash = Filename + i;
-+ }
-+ if (*lastslash) {
-+ *lastslash++ = '/';
-+ *lastslash = '\0';
-+ }
-+
-+ sprintf(lastslash, configname);
-+
-+ printf("tftp://%d.%d.%d.%d/%s\n",
-+ ServerIp->v4.Addr[0], ServerIp->v4.Addr[1],
-+ ServerIp->v4.Addr[2], ServerIp->v4.Addr[3],
-+ Filename);
-+
-+ rc = tftp_get_file_size(Filename, &size);
-+ if (rc == GRUB_EFI_ICMP_ERROR)
-+ icmp_print_error(pxe);
-+
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ *returnpath = Filename;
-+ return size;
-+ }
-+ grub_free(Filename);
-+ return 0;
-+}
-+
-+static void get_pxe_server(EFI_PXE_BASE_CODE *pxe, EFI_IP_ADDRESS **Address)
-+{
-+ EFI_IP_ADDRESS *tmp = grub_malloc(sizeof *tmp);
-+ if (tmp) {
-+ memset(tmp, '\0', sizeof (*tmp));
-+ memcpy(&tmp->Addr[0], pxe->Mode->DhcpAck.Dhcpv4.BootpSiAddr, 4);
-+ *Address = tmp;
-+ }
-+}
-+
-+static char *get_pxe_file_dir(EFI_PXE_BASE_CODE *pxe)
-+{
-+ char *FileDir = NULL;
-+ char *DirEnd = NULL;
-+ char *BootpBootFile;
-+ size_t bplen;
-+
-+ BootpBootFile = pxe->Mode->DhcpAck.Dhcpv4.BootpBootFile;
-+ bplen = strlen(BootpBootFile);
-+ FileDir = grub_malloc(bplen + 1);
-+ memcpy(FileDir, BootpBootFile, bplen);
-+ FileDir[bplen] = '\0';
-+
-+ DirEnd = grub_strrchr(FileDir, '/');
-+ if (!DirEnd)
-+ DirEnd = FileDir;
-+
-+ *DirEnd = '\0';
-+
-+ return FileDir;
-+}
-+
-+static void set_pxe_info(grub_efi_loaded_image_t *LoadedImage,
-+ EFI_PXE_BASE_CODE *pxe)
-+{
-+ tftp_info.LoadedImage = LoadedImage;
-+ tftp_info.Pxe = pxe;
-+ get_pxe_server(pxe, &tftp_info.ServerIp);
-+ tftp_info.BasePath = get_pxe_file_dir(pxe);
-+}
-+
-+char *grub_efi_pxe_get_config_path(grub_efi_loaded_image_t *LoadedImage)
-+{
-+ EFI_PXE_BASE_CODE *pxe = NULL;
-+ EFI_IP_ADDRESS ServerIp;
-+ char *FileName = NULL;
-+ EFI_PXE_BASE_CODE_DHCPV4_PACKET *packet;
-+ uuid_t uuid;
-+ grub_efi_uintn_t FileSize = 0;
-+ grub_efi_status_t rc = GRUB_EFI_SUCCESS;
-+ char *ConfigPath = NULL;
-+ char hex[] = "0123456789ABCDEF";
-+ char hexip[9];
-+ int hexiplen;
-+
-+ grub_efi_handle_t *handle, *handles;
-+ grub_efi_uintn_t num_handles;
-+
-+ handles = grub_efi_locate_handle(GRUB_EFI_BY_PROTOCOL,
-+ &PxeBaseCodeProtocol,
-+ NULL, &num_handles);
-+
-+ if (!handles)
-+ return NULL;
-+
-+ for (handle = handles; num_handles--; handle++) {
-+ pxe = grub_efi_open_protocol(*handle, &PxeBaseCodeProtocol,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+ if (!pxe || !pxe->Mode)
-+ continue;
-+ if (pxe->Mode->Started && pxe->Mode->DhcpAckReceived)
-+ break;
-+ }
-+ grub_free(handles);
-+
-+ if (!pxe)
-+ return NULL;
-+
-+ set_pxe_info(LoadedImage, pxe);
-+
-+ FileName = grub_malloc(strlen("1902dcf5-7190-d811-bbd6-6ef21c690030"));
-+
-+ packet = &pxe->Mode->DhcpDiscover.Dhcpv4;
-+
-+ if (get_dhcp_client_id((EFI_PXE_BASE_CODE_PACKET *)packet, &uuid)) {
-+
-+ uuid.time_mid = 0x0011;
-+ sprintf(FileName,
-+ "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
-+ uuid.time_low, uuid.time_mid, uuid.time_hi_ver,
-+ uuid.clock_seq_hi, uuid.clock_seq_low,
-+ uuid.node[0], uuid.node[1], uuid.node[2],
-+ uuid.node[3], uuid.node[4], uuid.node[5]);
-+
-+ rc = tftp_get_file_size(FileName, &FileSize);
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ char *ReturnFile = grub_malloc(strlen("(nd)/") +
-+ strlen(FileName) + 1);
-+ sprintf(ReturnFile, "(nd)/%s", FileName);
-+ grub_free(FileName);
-+ //sprintf(tftp_info.LastPath, FileName);
-+ return ReturnFile;
-+ }
-+ }
-+
-+ packet = &pxe->Mode->DhcpAck.Dhcpv4;
-+
-+ if (!memcmp(packet->BootpHwAddr + 6, "\x00\x00\x00\x00\x00"
-+ "\x00\x00\x00\x00\x00", 10) &&
-+ memcmp(packet->BootpHwAddr, "\x00\x00\x00\x00\x00\x00",
-+ 6)) {
-+ char mac[21];
-+ sprintf(mac, "01-%c%c-%c%c-%c%c-%c%c-%c%c-%c%c",
-+ hex[(packet->BootpHwAddr[0] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[0] & 0xf],
-+ hex[(packet->BootpHwAddr[1] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[1] & 0xf],
-+ hex[(packet->BootpHwAddr[2] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[2] & 0xf],
-+ hex[(packet->BootpHwAddr[3] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[3] & 0xf],
-+ hex[(packet->BootpHwAddr[4] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[4] & 0xf],
-+ hex[(packet->BootpHwAddr[5] & 0xf0) >> 4],
-+ hex[packet->BootpHwAddr[5] & 0xf]);
-+
-+ rc = tftp_get_file_size(mac, &FileSize);
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ char *ReturnFile = grub_malloc(strlen("(nd)/") +
-+ strlen(mac) + 1);
-+ sprintf(ReturnFile, "(nd)/%s", mac);
-+ return ReturnFile;
-+ }
-+
-+ }
-+
-+ sprintf(hexip, "%c%c%c%c%c%c%c%c",
-+ hex[(packet->BootpYiAddr[0] & 0xf0) >> 4],
-+ hex[packet->BootpYiAddr[0] & 0xf],
-+ hex[(packet->BootpYiAddr[1] & 0xf0) >> 4],
-+ hex[packet->BootpYiAddr[1] & 0xf],
-+ hex[(packet->BootpYiAddr[2] & 0xf0) >> 4],
-+ hex[packet->BootpYiAddr[2] & 0xf],
-+ hex[(packet->BootpYiAddr[3] & 0xf0) >> 4],
-+ hex[packet->BootpYiAddr[3] & 0xf]);
-+
-+ for (hexiplen = strlen(hexip); hexiplen > 0; hexiplen--)
-+ {
-+ hexip[hexiplen] = '\0';
-+ rc = tftp_get_file_size(hexip, &FileSize);
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ char *ReturnFile = grub_malloc(strlen("(nd)/") +
-+ strlen(hexip) + 1);
-+ sprintf(ReturnFile, "(nd)/%s", hexip);
-+ return ReturnFile;
-+ }
-+ }
-+
-+ rc = tftp_get_file_size("efidefault", &FileSize);
-+ if (rc == GRUB_EFI_SUCCESS) {
-+ char *ReturnFile = grub_malloc(strlen("(nd)/efidefault")+1);
-+ sprintf(ReturnFile, "(nd)/efidefault");
-+ return ReturnFile;
-+ }
-+
-+ return NULL;
-+}
-diff --git a/efi/pxe.h b/efi/pxe.h
-new file mode 100644
-index 0000000..0a68007
---- /dev/null
-+++ b/efi/pxe.h
-@@ -0,0 +1,237 @@
-+#ifndef PXE_H
-+#define PXE_H 1
-+
-+#include "byteswap.h"
-+
-+extern char *grub_efi_pxe_get_config_path(grub_efi_loaded_image_t *LoadedImage);
-+extern void grub_print_dhcp_info(grub_efi_loaded_image_t *loaded_image);
-+extern char *grub_efi_pxe_path_to_path_name(void);
-+
-+
-+#define EFI_PXE_BASE_CODE_PROTOCOL \
-+ { 0x03c4e603, 0xac28, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
-+static grub_efi_guid_t PxeBaseCodeProtocol = EFI_PXE_BASE_CODE_PROTOCOL;
-+
-+struct _EFI_PXE_BASE_CODE;
-+
-+typedef enum {
-+ EFI_PXE_BASE_CODE_TFTP_FIRST,
-+ EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE,
-+ EFI_PXE_BASE_CODE_TFTP_READ_FILE,
-+ EFI_PXE_BASE_CODE_TFTP_WRITE_FILE,
-+ EFI_PXE_BASE_CODE_TFTP_READ_DIRECTORY,
-+ EFI_PXE_BASE_CODE_MTFTP_GET_FILE_SIZE,
-+ EFI_PXE_BASE_CODE_MTFTP_READ_FILE,
-+ EFI_PXE_BASE_CODE_MTFTP_READ_DIRECTORY,
-+ EFI_PXE_BASE_CODE_MTFTP_LAST
-+} EFI_PXE_BASE_CODE_TFTP_OPCODE;
-+
-+typedef struct {
-+ grub_efi_uint8_t Addr[4];
-+} EFI_IPv4_ADDRESS;
-+
-+typedef struct {
-+ grub_efi_uint8_t Addr[16];
-+} EFI_IPv6_ADDRESS;
-+
-+typedef struct {
-+ grub_efi_uint8_t Addr[32];
-+} EFI_MAC_ADDRESS;
-+
-+typedef union {
-+ grub_efi_uint32_t Addr[4];
-+ EFI_IPv4_ADDRESS v4;
-+ EFI_IPv6_ADDRESS v6;
-+} EFI_IP_ADDRESS;
-+
-+typedef grub_efi_uint16_t EFI_PXE_BASE_CODE_UDP_PORT;
-+
-+typedef struct {
-+ EFI_IP_ADDRESS MCastIp;
-+ EFI_PXE_BASE_CODE_UDP_PORT CPort;
-+ EFI_PXE_BASE_CODE_UDP_PORT SPort;
-+ grub_efi_uint16_t ListenTimeout;
-+ grub_efi_uint16_t TransmitTimeout;
-+} EFI_PXE_BASE_CODE_MTFTP_INFO;
-+
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_MTFTP)(
-+ struct _EFI_PXE_BASE_CODE *This,
-+ EFI_PXE_BASE_CODE_TFTP_OPCODE Operation,
-+ void *BufferPtr,
-+ grub_efi_boolean_t Overwrite,
-+ grub_efi_uint64_t *BufferSize,
-+ grub_efi_uintn_t *BlockSize,
-+ EFI_IP_ADDRESS *ServerIp,
-+ grub_efi_uint8_t *Filename,
-+ EFI_PXE_BASE_CODE_MTFTP_INFO *Info,
-+ grub_efi_boolean_t DontUseBuffer);
-+
-+typedef struct {
-+ grub_efi_uint8_t BootpOpcode;
-+ grub_efi_uint8_t BootpHwType;
-+ grub_efi_uint8_t BootpHwAddrLen;
-+ grub_efi_uint8_t BootpGateHops;
-+ grub_efi_uint32_t BootpIdent;
-+ grub_efi_uint16_t BootpSeconds;
-+ grub_efi_uint16_t BootpFlags;
-+ grub_efi_uint8_t BootpCiAddr[4];
-+ grub_efi_uint8_t BootpYiAddr[4];
-+ grub_efi_uint8_t BootpSiAddr[4];
-+ grub_efi_uint8_t BootpGiAddr[4];
-+ grub_efi_uint8_t BootpHwAddr[16];
-+ grub_efi_uint8_t BootpSrvName[64];
-+ grub_efi_uint8_t BootpBootFile[128];
-+ grub_efi_uint32_t DhcpMagik;
-+ grub_efi_uint8_t DhcpOptions[56];
-+} EFI_PXE_BASE_CODE_DHCPV4_PACKET;
-+
-+// TBD in EFI v1.1
-+//typedef struct {
-+// grub_efi_uint8_t reserved;
-+//} EFI_PXE_BASE_CODE_DHCPV6_PACKET;
-+
-+typedef union {
-+ grub_efi_uint8_t Raw[1472];
-+ EFI_PXE_BASE_CODE_DHCPV4_PACKET Dhcpv4;
-+// EFI_PXE_BASE_CODE_DHCPV6_PACKET Dhcpv6;
-+} EFI_PXE_BASE_CODE_PACKET;
-+
-+typedef struct {
-+ grub_efi_uint8_t Type;
-+ grub_efi_uint8_t Code;
-+ grub_efi_uint16_t Checksum;
-+ union {
-+ grub_efi_uint32_t reserved;
-+ grub_efi_uint32_t Mtu;
-+ grub_efi_uint32_t Pointer;
-+ struct {
-+ grub_efi_uint16_t Identifier;
-+ grub_efi_uint16_t Sequence;
-+ } Echo;
-+ } u;
-+ grub_efi_uint8_t Data[494];
-+} EFI_PXE_BASE_CODE_ICMP_ERROR;
-+
-+typedef struct {
-+ grub_efi_uint8_t ErrorCode;
-+ grub_efi_char8_t ErrorString[127];
-+} EFI_PXE_BASE_CODE_TFTP_ERROR;
-+
-+
-+#define EFI_PXE_BASE_CODE_MAX_IPCNT 8
-+typedef struct {
-+ grub_efi_uint8_t Filters;
-+ grub_efi_uint8_t IpCnt;
-+ grub_efi_uint16_t reserved;
-+ EFI_IP_ADDRESS IpList[EFI_PXE_BASE_CODE_MAX_IPCNT];
-+} EFI_PXE_BASE_CODE_IP_FILTER;
-+
-+#define EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP 0x0001
-+#define EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST 0x0002
-+#define EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS 0x0004
-+#define EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST 0x0008
-+
-+typedef struct {
-+ EFI_IP_ADDRESS IpAddr;
-+ EFI_MAC_ADDRESS MacAddr;
-+} EFI_PXE_BASE_CODE_ARP_ENTRY;
-+
-+typedef struct {
-+ EFI_IP_ADDRESS IpAddr;
-+ EFI_IP_ADDRESS SubnetMask;
-+ EFI_IP_ADDRESS GwAddr;
-+} EFI_PXE_BASE_CODE_ROUTE_ENTRY;
-+
-+#define EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES 8
-+#define EFI_PXE_BASE_CODE_MAX_ROUTE_ENTRIES 8
-+
-+typedef struct {
-+ grub_efi_boolean_t Started;
-+ grub_efi_boolean_t Ipv6Available;
-+ grub_efi_boolean_t Ipv6Supported;
-+ grub_efi_boolean_t UsingIpv6;
-+ grub_efi_boolean_t BisSupported;
-+ grub_efi_boolean_t BisDetected;
-+ grub_efi_boolean_t AutoArp;
-+ grub_efi_boolean_t SendGUID;
-+ grub_efi_boolean_t DhcpDiscoverValid;
-+ grub_efi_boolean_t DhcpAckReceived;
-+ grub_efi_boolean_t ProxyOfferReceived;
-+ grub_efi_boolean_t PxeDiscoverValid;
-+ grub_efi_boolean_t PxeReplyReceived;
-+ grub_efi_boolean_t PxeBisReplyReceived;
-+ grub_efi_boolean_t IcmpErrorReceived;
-+ grub_efi_boolean_t TftpErrorReceived;
-+ grub_efi_boolean_t MakeCallbacks;
-+ grub_efi_uint8_t TTL;
-+ grub_efi_uint8_t ToS;
-+ EFI_IP_ADDRESS StationIp;
-+ EFI_IP_ADDRESS SubnetMask;
-+ EFI_PXE_BASE_CODE_PACKET DhcpDiscover;
-+ EFI_PXE_BASE_CODE_PACKET DhcpAck;
-+ EFI_PXE_BASE_CODE_PACKET ProxyOffer;
-+ EFI_PXE_BASE_CODE_PACKET PxeDiscover;
-+ EFI_PXE_BASE_CODE_PACKET PxeReply;
-+ EFI_PXE_BASE_CODE_PACKET PxeBisReply;
-+ EFI_PXE_BASE_CODE_IP_FILTER IpFilter;
-+ grub_efi_uint32_t ArpCacheEntries;
-+ EFI_PXE_BASE_CODE_ARP_ENTRY ArpCache[EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES];
-+ grub_efi_uint32_t RouteTableEntries;
-+ EFI_PXE_BASE_CODE_ROUTE_ENTRY RouteTable[EFI_PXE_BASE_CODE_MAX_ROUTE_ENTRIES];
-+ EFI_PXE_BASE_CODE_ICMP_ERROR IcmpError;
-+ EFI_PXE_BASE_CODE_TFTP_ERROR TftpError;
-+} EFI_PXE_BASE_CODE_MODE;
-+
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_START)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_STOP)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_DHCP)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_DISCOVER)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_UDP_WRITE)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_UDP_READ)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_SET_IP_FILTER)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_ARP)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_SET_PARAMETERS)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_SET_STATION_IP)();
-+typedef EFI_STATUS (*EFI_PXE_BASE_CODE_SET_PACKETS)();
-+
-+typedef struct _EFI_PXE_BASE_CODE{
-+ grub_efi_uint64_t Revision;
-+ EFI_PXE_BASE_CODE_START Start;
-+ EFI_PXE_BASE_CODE_STOP Stop;
-+ EFI_PXE_BASE_CODE_DHCP Dhcp;
-+ EFI_PXE_BASE_CODE_DISCOVER Discover;
-+ EFI_PXE_BASE_CODE_MTFTP Mtftp;
-+ EFI_PXE_BASE_CODE_UDP_WRITE UdpWrite;
-+ EFI_PXE_BASE_CODE_UDP_READ UdpRead;
-+ EFI_PXE_BASE_CODE_SET_IP_FILTER SetIpFilter;
-+ EFI_PXE_BASE_CODE_ARP Arp;
-+ EFI_PXE_BASE_CODE_SET_PARAMETERS SetParameters;
-+ EFI_PXE_BASE_CODE_SET_STATION_IP SetStationIp;
-+ EFI_PXE_BASE_CODE_SET_PACKETS SetPackets;
-+ EFI_PXE_BASE_CODE_MODE *Mode;
-+} EFI_PXE_BASE_CODE;
-+
-+typedef struct {
-+ grub_efi_uint32_t time_low;
-+ grub_efi_uint16_t time_mid;
-+ grub_efi_uint16_t time_hi_ver;
-+ grub_efi_uint8_t clock_seq_hi;
-+ grub_efi_uint8_t clock_seq_low;
-+ grub_efi_uint8_t node[6];
-+} uuid_t;
-+
-+struct tftp_info {
-+ grub_efi_loaded_image_t *LoadedImage;
-+ EFI_PXE_BASE_CODE *Pxe;
-+ EFI_IP_ADDRESS *ServerIp;
-+ char *BasePath;
-+ char *LastPath;
-+ char *Buffer;
-+};
-+
-+extern struct tftp_info tftp_info;
-+extern grub_efi_status_t tftp_get_file_size(
-+ char *Filename,
-+ grub_efi_uintn_t *Size);
-+
-+#endif /* PXE_H */
-diff --git a/efi/ugadebug.h b/efi/ugadebug.h
-new file mode 100644
-index 0000000..f461c8b
---- /dev/null
-+++ b/efi/ugadebug.h
-@@ -0,0 +1,201 @@
-+#ifndef UGA_DEBUG_H
-+#define UGA_DEBUG_H
-+
-+extern void dc(char *file, int line);
-+extern void gm(char *file, int line, char *fmt, ...);
-+
-+#ifdef UGA
-+
-+extern const unsigned char font8x16[];
-+
-+extern grub_efi_guid_t draw_guid;
-+
-+static void *tmp_term;
-+
-+#define SCREEN_WIDTH 80
-+
-+#define LINE_SIZE_X ( 8 * 100 )
-+#define LINE_START_X(x) (1280 + (x))
-+#define LINE_END_X(x) (LINE_START_X(0) + LINE_SIZE_X - 1)
-+
-+#define POS_X(x) (LINE_START_X(x) + (8 * (x)))
-+
-+#define LINE_SIZE_Y 16
-+#define LINE_START_Y(y) ((y) * LINE_SIZE_Y)
-+#define LINE_END_Y(y) ( (((y)+1) * LINE_SIZE_Y ) - 1)
-+
-+#define POS_Y(y) LINE_START_Y(y)
-+
-+#define FIRST_LINE 0
-+#define LAST_LINE 75
-+
-+#define format_ascii(buf, val, is_hex, is_cap) ({ \
-+ int _n = sizeof ((buf)) - 2; \
-+ typeof(val) _nval = (val); \
-+ int _negative = 0; \
-+ int _mult = is_hex ? 16 : 10; \
-+ char _a = is_cap ? 'A' : 'a'; \
-+ grub_memset((buf), '\0', sizeof ((buf))); \
-+ if (!(_nval > 0LL)) \
-+ _negative = 1; \
-+ if (_nval == 0LL) \
-+ _negative = 0; \
-+ if (_negative) \
-+ _nval = (_nval ^ -1); \
-+ do { \
-+ int _dig = _nval % _mult; \
-+ (buf)[_n--] = ((_dig > 9) ? _dig + _a - 10 : '0'+_dig); \
-+ } while (_nval /= _mult); \
-+ if (_negative) \
-+ (buf)[_n--] = '-'; \
-+ _mult = 0; \
-+ _n++; \
-+ while (_n < sizeof ((buf))) \
-+ (buf)[_mult++] = (buf)[_n++]; \
-+ if (_negative && _mult > 1) \
-+ ((buf)[_mult-2])++; \
-+ })
-+
-+static grub_efi_uga_draw_t *debug_draw_intf;
-+static void debug_putchar(int i, int j, int ch)
-+{
-+ grub_efi_uga_pixel_t pixbuf[8 * 16];
-+ grub_efi_uga_pixel_t black = { .red = 0x00, .green = 0x00, .blue = 0x00 },
-+ white = { .red = 0xff, .green = 0xff, .blue = 0xff };
-+ const unsigned char *pat;
-+ int x, y;
-+
-+ if (!debug_draw_intf)
-+ debug_draw_intf = grub_efi_locate_protocol(&draw_guid, NULL);
-+ if (!debug_draw_intf)
-+ return;
-+
-+ pat = font8x16 + (ch << 4);
-+
-+ for (y = 0; y < 16; y++) {
-+ for (x = 0; x < 8; x++) {
-+ int bit = pat[y] & (1 << (7 - x));
-+
-+ grub_memmove(&pixbuf[x + y * 8], bit ? &white : &black,
-+ sizeof (pixbuf[0]));
-+ }
-+ }
-+
-+ Call_Service_10(debug_draw_intf->blt, debug_draw_intf, pixbuf,
-+ EfiUgaBltBufferToVideo,
-+ 0, 0,
-+ POS_X(i), POS_Y(j),
-+ 8, 16,
-+ 0);
-+
-+}
-+
-+static void dputs(const char *s)
-+{
-+ static int row = -1;
-+ int col = 89;
-+ return;
-+
-+ if (s && *s) {
-+ do {
-+ if (col > 190) {
-+ row++;
-+ col = 89;
-+ }
-+ if (row > 50) {
-+ row = 0;
-+ col = 89;
-+ }
-+ col++;
-+
-+ if (*s == '\n') {
-+ col = 1;
-+ row++;
-+ } else {
-+ debug_putchar(col, row, *s);
-+ }
-+ } while (*(++s));
-+ }
-+ row++;
-+}
-+
-+static int dbg_row = 0;
-+static int dbg_col = 0;
-+
-+static void dbg_scroll(int new_dbg_col)
-+{
-+ grub_efi_uga_pixel_t black[1] ={{.red = 0x00, .green = 0x00, .blue = 0x00}};
-+
-+ if (dbg_row == LAST_LINE) {
-+ dbg_col = new_dbg_col;
-+ Call_Service_10(debug_draw_intf->blt, debug_draw_intf, NULL,
-+ EfiUgaVideoToVideo,
-+ 640, LINE_START_Y(1),
-+ 640, LINE_START_Y(0),
-+ LINE_SIZE_X, LINE_END_Y(LAST_LINE)+1,
-+ 0);
-+ Call_Service_10(debug_draw_intf->blt, debug_draw_intf, black,
-+ EfiUgaVideoFill,
-+ 0, 0,
-+ 640, LINE_START_Y(LAST_LINE),
-+ LINE_END_X(SCREEN_WIDTH)+1, LINE_END_Y(LAST_LINE)+1,
-+ 0);
-+ } else {
-+ dbg_row++;
-+ dbg_col = new_dbg_col;
-+ }
-+// grub_efi_stall(1000000);
-+}
-+
-+static void dc_backend(char *file, int line)
-+{
-+ char linebuf[9] = " ";
-+ int pos;
-+
-+ linebuf[8] = '\0';
-+
-+ format_ascii(linebuf, line, 0, 0);
-+ for (dbg_col=0, pos=0; linebuf[pos]; dbg_col++, pos++)
-+ debug_putchar(dbg_col, dbg_row, linebuf[pos]);
-+
-+ for (dbg_col=5, pos=0; file[pos]; dbg_col++, pos++) {
-+ if (dbg_col > 15)
-+ dbg_scroll(0);
-+
-+ debug_putchar(dbg_col, dbg_row, file[pos]);
-+ }
-+}
-+
-+void dc(char *file, int line)
-+{
-+ dc_backend(file, line);
-+ dbg_scroll(0);
-+}
-+
-+void
-+gm(char *file, int line, char *fmt, ...)
-+{
-+ va_list ap;
-+ char buf[1024]="";
-+ int pos;
-+
-+ va_start(ap, fmt);
-+ grub_vsprintf(buf, fmt, ap);
-+ va_end(ap);
-+
-+ dc_backend(file, line);
-+ for (dbg_col=16, pos=0; buf[pos]; dbg_col++, pos++) {
-+ if (buf[pos] == '\n')
-+ continue;
-+ if (dbg_col > SCREEN_WIDTH-1)
-+ dbg_scroll(16);
-+ debug_putchar(dbg_col, dbg_row, buf[pos]);
-+ }
-+ dbg_scroll(0);
-+}
-+
-+#define dm() ({ tmp_term = current_term; current_term = term_table; grub_dprintf(__func__, "got here\n"); current_term = tmp_term; })
-+
-+#endif
-+
-+#endif /* UGA_DEBUG_H */
-diff --git a/efi/x86_64/callwrap.S b/efi/x86_64/callwrap.S
-new file mode 100644
-index 0000000..f574ad0
---- /dev/null
-+++ b/efi/x86_64/callwrap.S
-@@ -0,0 +1,274 @@
-+/*
-+ * Function calling ABI conversion from Linux to EFI for x86_64
-+ *
-+ * Copyright (C) 2007 Intel Corp
-+ * Bibo Mao <bibo.mao(a)intel.com>
-+ * Huang Ying <ying.huang(a)intel.com>
-+ */
-+
-+/*
-+ * EFI calling conventions are documented at:
-+ * http://msdn.microsoft.com/en-us/library/ms235286%28v=vs.80%29.aspx
-+ * ELF calling conventions are documented at:
-+ * http://www.x86-64.org/documentation/abi.pdf
-+ *
-+ * Basically here are the conversion rules:
-+ * a) our function pointer is in %rdi
-+ * b) ELF gives us 8-byte aligned %rsp, so we need to pad out to 16-byte
-+ * alignment.
-+ * c) inside each call thunker, we can only adjust the stack by
-+ * multiples of 16 bytes. "offset" below refers to however much
-+ * we allocate inside a thunker.
-+ * d) rsi through r8 (elf) aka rcx through r9 (ms) require stack space
-+ * on the MS side even though it's not getting used at all.
-+ * e) arguments are as follows: (elf -> ms)
-+ * 1) rdi -> rcx (32 saved)
-+ * 2) rsi -> rdx (32 saved)
-+ * 3) rdx -> r8 ( 32 saved)
-+ * 4) rcx -> r9 (32 saved)
-+ * 5) r8 -> 32(%rsp) (48 saved)
-+ * 6) r9 -> 40(%rsp) (48 saved)
-+ * 7) pad+offset+0(%rsp) -> 48(%rsp) (64 saved)
-+ * 8) pad+offset+8(%rsp) -> 56(%rsp) (64 saved)
-+ * 9) pad+offset+16(%rsp) -> 64(%rsp) (80 saved)
-+ * 10) pad+offset+24(%rsp) -> 72(%rsp) (80 saved)
-+ * 11) pad+offset+32(%rsp) -> 80(%rsp) (96 saved)
-+ * 12) pad+offset+40(%rsp) -> 88(%rsp) (96 saved)
-+ * f) because the first argument we recieve in a thunker is actually the
-+ * function to be called, arguments are offset as such:
-+ * 0) rdi -> caller
-+ * 1) rsi -> rcx (32 saved)
-+ * 2) rdx -> rdx (32 saved)
-+ * 3) rcx -> r8 (32 saved)
-+ * 4) r8 -> r9 (32 saved)
-+ * 5) r9 -> 32(%rsp) (48 saved)
-+ * 6) pad+offset+0(%rsp) -> 40(%rsp) (48 saved)
-+ * 7) pad+offset+8(%rsp) -> 48(%rsp) (64 saved)
-+ * 8) pad+offset+16(%rsp) -> 56(%rsp) (64 saved)
-+ * 9) pad+offset+24(%rsp) -> 64(%rsp) (80 saved)
-+ * 10) pad+offset+32(%rsp) -> 72(%rsp) (80 saved)
-+ * 11) pad+offset+40(%rsp) -> 80(%rsp) (96 saved)
-+ * 12) pad+offset+48(%rsp) -> 88(%rsp) (96 saved)
-+ * e) arguments need to be moved in opposite order to avoid clobbering
-+ * f) pad_stack leaves the amount of padding it added in %r11 for functions
-+ * to use
-+ * g) efi -> elf calls don't need to pad the stack, because the 16-byte
-+ * alignment is also always 8-byte aligned.
-+ */
-+
-+#define ENTRY(name) \
-+ .globl name; \
-+ name:
-+
-+#define out(val) \
-+ push %rax ; \
-+ mov val, %rax ; \
-+ out %al, $128 ; \
-+ pop %rax
-+
-+#define pad_stack \
-+ subq $8, %rsp ; /* must be a multiple of 16 - sizeof(%rip) */ \
-+ /* stash some handy integers */ \
-+ mov $0x8, %rax ; \
-+ mov $0x10, %r10 ; \
-+ /* see if we need padding */ \
-+ and %rsp, %rax ; \
-+ /* store the pad amount in %r11 */ \
-+ cmovnz %rax, %r11 ; \
-+ cmovz %r10, %r11 ; \
-+ /* insert the padding */ \
-+ subq %r11, %rsp ; \
-+ /* add the $8 we saved above in %r11 */ \
-+ addq $8, %r11 ; \
-+ /* store the pad amount */ \
-+ mov %r11, (%rsp) ; \
-+ /* compensate for %rip being stored on the stack by call */ \
-+ addq $8, %r11
-+
-+#define unpad_stack \
-+ /* fetch the pad amount we saved (%r11 has been clobbered) */ \
-+ mov (%rsp), %r11 ; \
-+ /* remove the padding */ \
-+ addq %r11, %rsp
-+
-+ENTRY(x64_call0)
-+ pad_stack
-+ subq $32, %rsp
-+ call *%rdi
-+ addq $32, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call1)
-+ pad_stack
-+ subq $32, %rsp
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $32, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call2)
-+ pad_stack
-+ subq $32, %rsp
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $32, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call3)
-+ pad_stack
-+ subq $32, %rsp
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $32, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call4)
-+ pad_stack
-+ subq $32, %rsp
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $32, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call5)
-+ pad_stack
-+ subq $48, %rsp
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $48, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call6)
-+ pad_stack
-+ subq $48, %rsp
-+ addq $48, %r11
-+ addq %rsp, %r11
-+ mov (%r11), %rax
-+ mov %rax, 40(%rsp)
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $48, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call7)
-+ pad_stack
-+ subq $64, %rsp
-+ addq $64, %r11
-+ addq $8, %r11
-+ addq %rsp, %r11
-+ mov (%r11), %rax
-+ mov %rax, 48(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 40(%rsp)
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $64, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call8)
-+ pad_stack
-+ subq $64, %rsp
-+ addq $64, %r11
-+ addq $16, %r11
-+ addq %rsp, %r11
-+ mov (%r11), %rax
-+ mov %rax, 56(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 48(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 40(%rsp)
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $64, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call9)
-+ pad_stack
-+ subq $80, %rsp
-+ addq $80, %r11
-+ addq $24, %r11
-+ addq %rsp, %r11
-+ mov (%r11), %rax
-+ mov %rax, 64(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 56(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 48(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 40(%rsp)
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $80, %rsp
-+ unpad_stack
-+ ret
-+
-+ENTRY(x64_call10)
-+ pad_stack
-+ subq $80, %rsp
-+ addq $80, %r11
-+ addq $32, %r11
-+ addq %rsp, %r11
-+ mov (%r11), %rax
-+ mov %rax, 72(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 64(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 56(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 48(%rsp)
-+ subq $8, %r11
-+ mov (%r11), %rax
-+ mov %rax, 40(%rsp)
-+ mov %r9, 32(%rsp)
-+ mov %r8, %r9
-+ mov %rcx, %r8
-+ /* mov %rdx, %rdx */
-+ mov %rsi, %rcx
-+ call *%rdi
-+ addq $80, %rsp
-+ unpad_stack
-+ ret
-diff --git a/efi/x86_64/crt0-efi.S b/efi/x86_64/crt0-efi.S
-new file mode 100644
-index 0000000..8667694
---- /dev/null
-+++ b/efi/x86_64/crt0-efi.S
-@@ -0,0 +1,63 @@
-+/* crt0-efi-x86_64.S - x86_64 EFI startup code.
-+ Copyright (C) 1999 Hewlett-Packard Co.
-+ Contributed by David Mosberger <davidm(a)hpl.hp.com>.
-+ Copyright (C) 2005 Intel Co.
-+ Contributed by Fenghua Yu <fenghua.yu(a)intel.com>.
-+
-+ This file is part of GNU-EFI, the GNU EFI development environment.
-+
-+ GNU EFI is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License as published by
-+ the Free Software Foundation; either version 2, or (at your option)
-+ any later version.
-+
-+ GNU EFI is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ GNU General Public License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with GNU EFI; see the file COPYING. If not, write to the Free
-+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-+ 02111-1307, USA. */
-+
-+ .text
-+ .align 4
-+
-+ .globl _start
-+_start:
-+ subq $8, %rsp
-+ pushq %rcx
-+ pushq %rdx
-+
-+0:
-+ lea ImageBase(%rip), %rdi
-+ lea _DYNAMIC(%rip), %rsi
-+
-+ popq %rcx
-+ popq %rdx
-+ pushq %rcx
-+ pushq %rdx
-+ call _relocate
-+
-+ popq %rdi
-+ popq %rsi
-+
-+ call efi_main
-+ addq $8, %rsp
-+
-+.exit:
-+ ret
-+
-+ // hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
-+
-+ .data
-+dummy: .long 0
-+
-+#define IMAGE_REL_ABSOLUTE 0
-+ .section .reloc, "a"
-+label1:
-+ .long dummy-label1 // Page RVA
-+ .long 10 // Block Size (2*4+2)
-+ .word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
-+
-diff --git a/efi/x86_64/elf_efi.lds b/efi/x86_64/elf_efi.lds
-new file mode 100644
-index 0000000..18a9ab9
---- /dev/null
-+++ b/efi/x86_64/elf_efi.lds
-@@ -0,0 +1,58 @@
-+OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
-+OUTPUT_ARCH(i386:x86-64)
-+ENTRY(_start)
-+SECTIONS
-+{
-+ . = 0;
-+ ImageBase = .;
-+ .hash : { *(.hash) } /* this MUST come first! */
-+ . = ALIGN(4096);
-+ .eh_frame :
-+ {
-+ *(.eh_frame)
-+ }
-+ . = ALIGN(4096);
-+ .text :
-+ {
-+ *(.text)
-+ }
-+ .reloc :
-+ {
-+ *(.reloc)
-+ }
-+ . = ALIGN(4096);
-+ .data :
-+ {
-+ *(.rodata*)
-+ *(.got.plt)
-+ *(.got)
-+ *(.data*)
-+ *(.sdata)
-+ /* the EFI loader doesn't seem to like a .bss section, so we stick
-+ it all into .data: */
-+ *(.sbss)
-+ *(.scommon)
-+ *(.dynbss)
-+ *(.bss)
-+ *(COMMON)
-+ *(.rel.local)
-+ }
-+ . = ALIGN(4096);
-+ .dynamic : { *(.dynamic) }
-+ . = ALIGN(4096);
-+ .rela :
-+ {
-+ *(.rela.data*)
-+ *(.rela.got)
-+ *(.rela.stab)
-+ }
-+ . = ALIGN(4096);
-+ .dynsym : { *(.dynsym) }
-+ . = ALIGN(4096);
-+ .dynstr : { *(.dynstr) }
-+ . = ALIGN(4096);
-+ .ignored.reloc :
-+ {
-+ *(.rela.reloc)
-+ }
-+}
-diff --git a/efi/x86_64/loader/Makefile b/efi/x86_64/loader/Makefile
-new file mode 100644
-index 0000000..0d8b888
---- /dev/null
-+++ b/efi/x86_64/loader/Makefile
-@@ -0,0 +1,20 @@
-+
-+all : switch.h
-+
-+bin_to_h: bin_to_h.c
-+ $(CC) $(CFLAGS) -o $@ $<
-+
-+switch.h : switch.bin bin_to_h
-+ ./bin_to_h < $< > $@
-+
-+switch.bin : switch
-+ objcopy -O binary $< $@
-+
-+switch : switch.o
-+ ld.bfd -Ttext-segment=0x688 --init _start -o $@ $<
-+
-+switch.o : switch.S
-+ as -march=generic64 -defsym _start=0 -o $@ $<
-+
-+clean :
-+ @rm -vf switch.o switch switch.bin switch.h bin_to_h
-diff --git a/efi/x86_64/loader/bin_to_h.c b/efi/x86_64/loader/bin_to_h.c
-new file mode 100644
-index 0000000..4cff104
---- /dev/null
-+++ b/efi/x86_64/loader/bin_to_h.c
-@@ -0,0 +1,29 @@
-+#include <stdio.h>
-+#include <stdlib.h>
-+
-+int
-+main (void)
-+{
-+ unsigned n = 0;
-+ int c;
-+
-+ printf ("unsigned char switch_image[] = {\n");
-+
-+ while ((c = getchar ()) != EOF)
-+ {
-+ printf("0x%02x,%s",
-+ c & 0xFF,
-+ (++n & 0x07) ? " " : "\n");
-+ }
-+
-+ if (n & 0x07)
-+ {
-+ printf("\n");
-+ }
-+
-+ printf("};\n"
-+ "int switch_size = sizeof switch_image;\n");
-+
-+ return 0;
-+}
-+
-diff --git a/efi/x86_64/loader/linux.c b/efi/x86_64/loader/linux.c
-new file mode 100644
-index 0000000..49a668e
---- /dev/null
-+++ b/efi/x86_64/loader/linux.c
-@@ -0,0 +1,760 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/misc.h>
-+#include <grub/types.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+
-+#include "switch.h"
-+
-+#include <shared.h>
-+
-+#include "graphics.h"
-+
-+#define grub_file_size() filemax
-+
-+#define NEXT_MEMORY_DESCRIPTOR(desc, size) \
-+ ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
-+
-+#define PTR_HI(x) ((grub_uint32_t) ((unsigned long long)((unsigned long)(x)) >> 32))
-+
-+#ifndef SECTOR_SIZE
-+#define SECTOR_SIZE 0x200
-+#endif /* defined(SECTOR_SIZE) */
-+#ifndef SECTOR_BITS
-+#define SECTOR_BITS 9
-+#endif /* defined(SECTOR_BITS) */
-+
-+static unsigned long linux_mem_size;
-+static int loaded;
-+static void *real_mode_mem;
-+static void *prot_mode_mem;
-+static grub_size_t prot_kernel_size;
-+static void *initrd_mem;
-+static grub_efi_uintn_t real_mode_pages;
-+static grub_efi_uintn_t prot_mode_pages;
-+static grub_efi_uintn_t initrd_pages;
-+static grub_efi_guid_t graphics_output_guid = GRUB_EFI_GRAPHICS_OUTPUT_GUID;
-+
-+static inline grub_size_t
-+page_align (grub_size_t size)
-+{
-+ return (size + (1 << 12) - 1) & (~((1 << 12) - 1));
-+}
-+
-+static void
-+free_pages (void)
-+{
-+ if (real_mode_mem)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) real_mode_mem, real_mode_pages);
-+ real_mode_mem = 0;
-+ }
-+
-+ if (initrd_mem)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) initrd_mem, initrd_pages);
-+ initrd_mem = 0;
-+ }
-+
-+ if (mmap_buf)
-+ {
-+ grub_efi_free_pages ((grub_addr_t) mmap_buf, mmap_pages);
-+ mmap_buf = 0;
-+ }
-+}
-+
-+/* Allocate pages for the real mode code and the protected mode code
-+ for linux as well as a memory map buffer. */
-+static int
-+allocate_pages (grub_size_t real_size, grub_size_t prot_size)
-+{
-+ grub_efi_uintn_t desc_size;
-+ grub_efi_memory_descriptor_t *mmap_end;
-+ grub_efi_memory_descriptor_t *desc;
-+ grub_efi_physical_address_t addr;
-+
-+ /* Make sure that each size is aligned to a page boundary. */
-+ real_size = page_align (real_size + SECTOR_SIZE);
-+ prot_size = page_align (prot_size);
-+
-+ grub_dprintf ("linux", "real_size = %x, prot_size = %x, mmap_size = %x\n",
-+ (unsigned int) real_size, (unsigned int) prot_size,
-+ (unsigned int) mmap_size);
-+
-+ /* Calculate the number of pages; Combine the real mode code with
-+ the memory map buffer for simplicity. */
-+ real_mode_pages = (real_size >> 12);
-+ prot_mode_pages = (prot_size >> 12);
-+
-+ /* Initialize the memory pointers with NULL for convenience. */
-+ real_mode_mem = 0;
-+ prot_mode_mem = 0;
-+
-+ if (grub_efi_get_memory_map (0, &desc_size, 0) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ addr = 0;
-+ mmap_end = NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
-+ /* First, find free pages for the real mode code
-+ and the memory map buffer. */
-+ for (desc = mmap_buf;
-+ desc < mmap_end;
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY
-+ && desc->num_pages >= real_mode_pages)
-+ {
-+ grub_efi_physical_address_t physical_end;
-+
-+ physical_end = desc->physical_start + (desc->num_pages << 12);
-+
-+ grub_dprintf ("linux", "physical_start = %x, physical_end = %x\n",
-+ (unsigned) desc->physical_start,
-+ (unsigned) physical_end);
-+ addr = physical_end - real_size;
-+ if (addr < 0x100000)
-+ continue;
-+
-+ /* the kernel wants this address to be under 1 gig.*/
-+ if (desc->physical_start > 0x40000000 - real_size)
-+ continue;
-+
-+ if (addr > 0x40000000 - real_size)
-+ addr = 0x40000000 - real_size;
-+
-+ grub_dprintf ("linux", "trying to allocate %u pages at %x\n",
-+ (unsigned) real_mode_pages, (unsigned) addr);
-+ real_mode_mem = grub_efi_allocate_pages (addr, real_mode_pages);
-+ if (! real_mode_mem)
-+ grub_fatal ("cannot allocate pages");
-+
-+ desc->num_pages -= real_mode_pages;
-+ break;
-+ }
-+ }
-+
-+ if (! real_mode_mem)
-+ {
-+ grub_printf ("cannot allocate real mode pages");
-+ errnum = ERR_WONT_FIT;
-+ goto fail;
-+ }
-+
-+ grub_printf("Trying to allocate %u pages for VMLINUZ\n",
-+ (unsigned) prot_mode_pages);
-+ prot_mode_mem = grub_efi_allocate_anypages(prot_mode_pages);
-+
-+ if (!prot_mode_mem)
-+ grub_fatal("Cannot allocate pages for VMLINUZ");
-+ grub_printf("Got pages at %p\n", prot_mode_mem);
-+
-+ return 1;
-+
-+ fail:
-+ free_pages ();
-+ return 0;
-+}
-+
-+/* do some funky stuff, then boot linux */
-+void
-+linux_boot (void)
-+{
-+ grub_printf ("zImage is not supported under EFI.\n");
-+ for (;;);
-+}
-+
-+static void
-+grub_efi_disable_network (void)
-+{
-+ grub_efi_guid_t pci_io_guid = GRUB_EFI_PCI_IO_GUID;
-+ grub_efi_pci_io_t *pci_proto;
-+ grub_efi_uintn_t num_handles;
-+ grub_efi_handle_t *handle, *handles;
-+
-+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL,
-+ &pci_io_guid,
-+ NULL, &num_handles);
-+ if (!handles || !num_handles)
-+ return;
-+
-+ for (handle = handles; num_handles--; handle++)
-+ {
-+ grub_efi_uint8_t class, pos, id, pm = 0;
-+ grub_efi_uint16_t pm_state, vendor;
-+ int ttl = 48;
-+
-+ pci_proto = grub_efi_open_protocol (*handle, &pci_io_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (!pci_proto)
-+ continue;
-+
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint8, 0x0b, 1, &class);
-+
-+ /* Not a network device */
-+ if (class != 0x02)
-+ continue;
-+
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint16, 0x00, 1, &vendor);
-+
-+ /* Not a Broadcom */
-+ if (vendor != 0x14e4)
-+ continue;
-+
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint16, 0x2c, 1, &vendor);
-+
-+ /* Not an Apple */
-+ if (vendor != 0x106b)
-+ continue;
-+
-+ pos = 0x34;
-+
-+ /* Find the power management registers */
-+ while (ttl--)
-+ {
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint8, pos, 1, &pos);
-+
-+ if (pos < 0x40)
-+ break;
-+
-+ pos &= ~3;
-+
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint8, pos, 1, &id);
-+
-+ if (id == 0xff)
-+ break;
-+
-+ if (id == 0x01)
-+ {
-+ pm = pos;
-+ break;
-+ }
-+
-+ pos += 1;
-+ }
-+
-+ if (pm)
-+ {
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint16, pm + 4, 1, &pm_state);
-+
-+ pm_state &= ~0x03;
-+ pm_state |= 0x03;
-+
-+ /* Set to D3 */
-+
-+ Call_Service_5 (pci_proto->pci.write, pci_proto,
-+ grub_efi_pci_io_width_uint16, pm + 4, 1, &pm_state);
-+
-+ Call_Service_5 (pci_proto->pci.read, pci_proto,
-+ grub_efi_pci_io_width_uint16, pm + 4, 1,
-+ &pm_state);
-+ }
-+ }
-+}
-+
-+void
-+big_linux_boot (void)
-+{
-+ struct linux_kernel_params *params;
-+ struct grub_linux_kernel_header *lh;
-+ grub_efi_uintn_t map_key;
-+ grub_efi_uintn_t desc_size;
-+ grub_efi_uint32_t desc_version;
-+ int e820_nr_map;
-+
-+ params = real_mode_mem;
-+
-+ graphics_set_kernel_params (params);
-+
-+ if (grub_efi_get_memory_map (&map_key, &desc_size, &desc_version) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ /* Pass e820 memmap. */
-+ e820_map_from_efi_map ((struct e820_entry *) params->e820_map, &e820_nr_map,
-+ mmap_buf, desc_size, mmap_size);
-+ params->e820_nr_map = e820_nr_map;
-+
-+ grub_efi_disable_network();
-+
-+ if (! grub_efi_exit_boot_services (map_key))
-+ grub_fatal ("cannot exit boot services");
-+
-+ /* Note that no boot services are available from here. */
-+
-+ /* copy vmlinuz image to hdr.code32_start */
-+ memcpy ((char *)(unsigned long)(params->hdr.code32_start), (char *)prot_mode_mem,
-+ prot_kernel_size);
-+ /* copy switch image */
-+ memcpy ((void *) 0x700, switch_image, switch_size);
-+
-+ lh = ¶ms->hdr;
-+ /* Pass EFI parameters. */
-+ if (grub_le_to_cpu16 (lh->version) >= 0x0206) {
-+ params->version_0206.efi_mem_desc_size = desc_size;
-+ params->version_0206.efi_mem_desc_version = desc_version;
-+ params->version_0206.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->version_0206.efi_mmap_size = mmap_size;
-+ } else if (grub_le_to_cpu16 (lh->version) >= 0x0204) {
-+ params->version_0204.efi_mem_desc_size = desc_size;
-+ params->version_0204.efi_mem_desc_version = desc_version;
-+ params->version_0204.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->version_0204.efi_mmap_size = mmap_size;
-+ } else /* dunno */ {
-+ params->dunno.efi_mem_desc_size = desc_size;
-+ params->dunno.efi_mem_desc_version = desc_version;
-+ params->dunno.efi_mmap = (grub_uint32_t) (unsigned long) mmap_buf;
-+ params->dunno.efi_mmap_size = mmap_size;
-+ params->dunno.efi_mmap_hi = PTR_HI(mmap_buf);
-+ }
-+
-+#ifdef __x86_64__
-+ /* Pass parameters. */
-+ asm volatile ("mov %0, %%rsi" : : "m" (real_mode_mem));
-+ asm volatile ("movl %0, %%ebx" : : "m" (params->hdr.code32_start));
-+
-+ /* Enter Linux, switch from 64-bit long mode
-+ * to 32-bit protect mode, this code end address
-+ * must not exceed 0x1000, because linux kernel bootstrap
-+ * code will flush this area
-+ */
-+ asm volatile ( "mov $0x700, %%rdi" : :);
-+ asm volatile ( "jmp *%%rdi" : :);
-+#else
-+ /* Pass parameters. */
-+ asm volatile ("mov %0, %%esi" : : "m" (real_mode_mem));
-+ asm volatile ("movl %0, %%ebx" : : "m" (params->hdr.code32_start));
-+
-+ /* Enter Linux, switch from 64-bit long mode
-+ * to 32-bit protect mode, this code end address
-+ * must not exceed 0x1000, because linux kernel bootstrap
-+ * code will flush this area
-+ */
-+ asm volatile ( "mov $0x700, %%edi" : :);
-+ asm volatile ( "jmp *%%edi" : :);
-+#endif
-+
-+ /* Never reach here. */
-+ for (;;);
-+}
-+
-+int
-+grub_load_linux (char *kernel, char *arg)
-+{
-+ struct grub_linux_kernel_header *lh;
-+ struct linux_kernel_params *params;
-+ static struct linux_kernel_params params_buf;
-+ grub_uint8_t setup_sects;
-+ grub_size_t real_size, prot_size;
-+ grub_uint64_t kernel_base, kernel_length, kernel_pages;
-+ grub_ssize_t len;
-+ char *dest;
-+ int align, min_alignment;
-+ int relocatable = 0;
-+
-+ if (kernel == NULL)
-+ {
-+ errnum = ERR_BAD_FILENAME;
-+ grub_printf ("no kernel specified");
-+ goto fail1;
-+ }
-+
-+ if (! grub_open (kernel))
-+ goto fail1;
-+
-+ if (grub_read ((char *) ¶ms_buf, sizeof (params_buf))
-+ != sizeof (params_buf))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("cannot read the linux header");
-+ goto fail;
-+ }
-+
-+ lh = ¶ms_buf.hdr;
-+
-+ if (lh->boot_flag != grub_cpu_to_le16 (0xaa55))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("invalid magic number: %x", lh->boot_flag);
-+ goto fail;
-+ }
-+
-+ /* EFI support is quite new, so reject old versions. */
-+ if (lh->header != grub_cpu_to_le32 (GRUB_LINUX_MAGIC_SIGNATURE)
-+ || grub_le_to_cpu16 (lh->version) < 0x0203)
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("too old version");
-+ goto fail;
-+ }
-+
-+ /* I'm not sure how to support zImage on EFI. */
-+ if (! (lh->loadflags & GRUB_LINUX_FLAG_BIG_KERNEL))
-+ {
-+ errnum = ERR_EXEC_FORMAT;
-+ grub_printf ("zImage is not supported");
-+ goto fail;
-+ }
-+
-+ setup_sects = lh->setup_sects;
-+
-+ real_size = 0x1000 + grub_strlen(arg);
-+ prot_size = grub_file_size () - (setup_sects << SECTOR_BITS) - SECTOR_SIZE;
-+ prot_kernel_size = prot_size;
-+
-+ if (! allocate_pages (real_size, prot_size))
-+ goto fail;
-+
-+ /* XXX Linux assumes that only elilo can boot Linux on EFI!!! */
-+ lh->type_of_loader = 0x50;
-+
-+ lh->cmd_line_ptr = (grub_uint32_t) (unsigned long) real_mode_mem + 0x1000;
-+ lh->ramdisk_image = 0;
-+ lh->ramdisk_size = 0;
-+
-+ grub_memset(real_mode_mem, 0, real_size);
-+
-+ params = (struct linux_kernel_params *) real_mode_mem;
-+
-+ grub_memmove(¶ms->hdr, lh, 0x202 + lh->jump_off - 0x1f1);
-+
-+ params->cl_magic = GRUB_LINUX_CL_MAGIC;
-+ params->cl_offset = 0x1000;
-+
-+ /* These are not needed to be precise, because Linux uses these values
-+ only to raise an error when the decompression code cannot find good
-+ space. */
-+ params->ext_mem = ((32 * 0x100000) >> 10);
-+ params->alt_mem = ((32 * 0x100000) >> 10);
-+
-+ /* No APM on EFI. */
-+ params->apm_version = 0;
-+ params->apm_code_segment = 0;
-+ params->apm_entry = 0;
-+ params->apm_16bit_code_segment = 0;
-+ params->apm_data_segment = 0;
-+ params->apm_flags = 0;
-+ params->apm_code_len = 0;
-+ params->apm_data_len = 0;
-+
-+ /* XXX is there any way to use SpeedStep on EFI? */
-+ params->ist_signature = 0;
-+ params->ist_command = 0;
-+ params->ist_event = 0;
-+ params->ist_perf_level = 0;
-+
-+ /* Let the kernel probe the information. */
-+ grub_memset (params->hd0_drive_info, 0, sizeof (params->hd0_drive_info));
-+ grub_memset (params->hd1_drive_info, 0, sizeof (params->hd1_drive_info));
-+
-+ /* No MCA on EFI. */
-+ params->rom_config_len = 0;
-+
-+ if (grub_le_to_cpu16 (lh->version) >= 0x0206) {
-+ grub_memcpy(¶ms->version_0204.efi_signature, "EL64", 4);
-+ params->version_0206.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ } else if (grub_le_to_cpu16 (lh->version) >= 0x0204) {
-+ grub_memcpy(¶ms->version_0204.efi_signature, "EFIL", 4);
-+ params->version_0204.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ } else /* dunno */ {
-+ params->dunno.efi_signature = GRUB_LINUX_EFI_SIGNATURE_X64;
-+ params->dunno.efi_system_table = \
-+ (grub_uint32_t) (unsigned long) grub_efi_system_table;
-+ params->dunno.efi_system_table_hi = PTR_HI(grub_efi_system_table);
-+ }
-+ /* The other EFI parameters are filled when booting. */
-+
-+ /* No EDD */
-+ params->eddbuf_entries = 0;
-+ params->edd_mbr_sig_buf_entries = 0;
-+
-+ /* XXX there is no way to know if the kernel really supports EFI. */
-+ grub_printf ("[Linux-EFI, setup=0x%x, size=0x%x]\n", (unsigned int)real_size,
-+ (unsigned int)prot_size);
-+
-+ /* Check the mem= option to limit memory used for initrd. */
-+ {
-+ char *mem;
-+
-+ mem = grub_strstr (arg, "mem=");
-+ if (mem)
-+ {
-+ char *value = mem + 4;
-+
-+ safe_parse_maxulong (&value, &linux_mem_size);
-+ switch (errnum)
-+ {
-+ case ERR_NUMBER_OVERFLOW:
-+ /* If an overflow occurs, use the maximum address for
-+ initrd instead. This is good, because MAXINT is
-+ greater than LINUX_INITRD_MAX_ADDRESS. */
-+ linux_mem_size = LINUX_INITRD_MAX_ADDRESS;
-+ errnum = ERR_NONE;
-+ break;
-+
-+ case ERR_NONE:
-+ {
-+ int shift = 0;
-+
-+ switch (grub_tolower (*value))
-+ {
-+ case 'g':
-+ shift += 10;
-+ case 'm':
-+ shift += 10;
-+ case 'k':
-+ shift += 10;
-+ default:
-+ break;
-+ }
-+
-+ /* Check an overflow. */
-+ if (linux_mem_size > (~0UL >> shift))
-+ linux_mem_size = 0;
-+ else
-+ linux_mem_size <<= shift;
-+ }
-+ break;
-+
-+ default:
-+ linux_mem_size = 0;
-+ errnum = ERR_NONE;
-+ break;
-+ }
-+ }
-+ else
-+ linux_mem_size = 0;
-+ }
-+
-+ dest = grub_stpcpy ((char *) real_mode_mem + 0x1000, skip_to(0, arg));
-+
-+ grub_seek ((setup_sects << SECTOR_BITS) + SECTOR_SIZE);
-+ len = prot_size;
-+ if (grub_read ((char *)prot_mode_mem, len) != len)
-+ grub_printf ("Couldn't read file");
-+
-+ if (lh->version >= 0x205) {
-+ for (align = lh->min_alignment; align < 32; align++) {
-+ if (lh->kernel_alignment & (1 << align)) {
-+ break;
-+ }
-+ }
-+ relocatable = lh->relocatable_kernel;
-+ }
-+
-+ if (lh->version >= 0x20a) {
-+ kernel_base = lh->pref_address;
-+ kernel_length = lh->init_size;
-+ min_alignment = lh->min_alignment;
-+ } else {
-+ kernel_base = lh->code32_start;
-+ kernel_length = prot_kernel_size;
-+ min_alignment = 0;
-+ }
-+
-+ kernel_pages = (kernel_length + 4095) >> 12;
-+
-+ /* Attempt to allocate address space for the kernel */
-+ kernel_base = (grub_uint64_t)grub_efi_allocate_pages(kernel_base, kernel_pages);
-+
-+ if (!kernel_base && relocatable) {
-+ grub_efi_memory_descriptor_t *desc;
-+ grub_efi_memory_descriptor_t tdesc;
-+ grub_efi_uintn_t desc_size;
-+
-+ if (grub_efi_get_memory_map (0, &desc_size, 0) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ while (align >= min_alignment) {
-+ for (desc = mmap_buf;
-+ desc < NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ grub_uint64_t addr;
-+ grub_uint64_t alignval = (1 << align) - 1;
-+
-+ if (desc->type != GRUB_EFI_CONVENTIONAL_MEMORY)
-+ continue;
-+
-+ memcpy(&tdesc, desc, sizeof(tdesc));
-+
-+ addr = (tdesc.physical_start + alignval) & ~(alignval);
-+
-+ if ((addr + kernel_length) >
-+ (tdesc.physical_start + (tdesc.num_pages << 12)))
-+ continue;
-+
-+ kernel_base = (grub_uint64_t)grub_efi_allocate_pages(addr, kernel_pages);
-+
-+ if (kernel_base) {
-+ lh->kernel_alignment = 1 << align;
-+ break;
-+ }
-+ }
-+ align--;
-+ if (kernel_base)
-+ break;
-+ }
-+ }
-+
-+ if (!kernel_base) {
-+ grub_printf("Failed to allocate kernel memory");
-+ errnum = ERR_UNRECOGNIZED;
-+ goto fail;
-+ }
-+
-+ lh->code32_start = kernel_base;
-+
-+ if (errnum == ERR_NONE)
-+ {
-+ loaded = 1;
-+ }
-+
-+ fail:
-+
-+ grub_close ();
-+
-+ fail1:
-+
-+ if (errnum != ERR_NONE)
-+ {
-+ loaded = 0;
-+ }
-+ return errnum ? KERNEL_TYPE_NONE : KERNEL_TYPE_BIG_LINUX;
-+}
-+
-+int
-+grub_load_initrd (char *initrd)
-+{
-+ grub_ssize_t size;
-+ grub_addr_t addr_min, addr_max;
-+ grub_addr_t addr;
-+ grub_efi_memory_descriptor_t *desc;
-+ grub_efi_memory_descriptor_t tdesc;
-+ grub_efi_uintn_t desc_size;
-+ struct linux_kernel_params *params;
-+
-+ if (initrd == NULL)
-+ {
-+ errnum = ERR_BAD_FILENAME;
-+ grub_printf ("No module specified");
-+ goto fail1;
-+ }
-+
-+ if (! loaded)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("You need to load the kernel first.");
-+ goto fail1;
-+ }
-+
-+ if (! grub_open (initrd))
-+ goto fail1;
-+
-+ size = grub_file_size ();
-+ initrd_pages = (page_align (size) >> 12);
-+
-+ params = (struct linux_kernel_params *) real_mode_mem;
-+ grub_dprintf(__func__, "initrd_pages: %lu\n", initrd_pages);
-+
-+ addr_max = grub_cpu_to_le32 (params->hdr.initrd_addr_max);
-+ if (linux_mem_size != 0 && linux_mem_size < addr_max)
-+ addr_max = linux_mem_size;
-+ addr_max &= ~((1 << 12)-1);
-+
-+ /* Usually, the compression ratio is about 50%. */
-+ addr_min = 0;
-+
-+ /* Find the highest address to put the initrd. */
-+ grub_dprintf(__func__, "addr_min: 0x%lx addr_max: 0x%lx mmap_size: %lu\n", addr_min, addr_max, mmap_size);
-+ if (grub_efi_get_memory_map (0, &desc_size, 0) <= 0)
-+ grub_fatal ("cannot get memory map");
-+
-+ addr = 0;
-+ for (desc = mmap_buf;
-+ desc < NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
-+ desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
-+ {
-+ if (desc->type != GRUB_EFI_CONVENTIONAL_MEMORY)
-+ continue;
-+ memcpy(&tdesc, desc, sizeof (tdesc));
-+ if (tdesc.physical_start < addr_min
-+ && tdesc.num_pages > ((addr_min - tdesc.physical_start) >> 12))
-+ {
-+ tdesc.num_pages -= ((addr_min - tdesc.physical_start) >> 12);
-+ tdesc.physical_start = addr_min;
-+ }
-+
-+ grub_dprintf(__func__, "desc = {type=%d,ps=0x%llx,vs=0x%llx,sz=%llu,attr=%llu}\n", desc->type, (unsigned long long)desc->physical_start, (unsigned long long)desc->virtual_start, (unsigned long long)desc->num_pages, (unsigned long long)desc->attribute);
-+ if (tdesc.physical_start >= addr_min
-+ && tdesc.physical_start + page_align (size) <= addr_max
-+ && tdesc.num_pages >= initrd_pages)
-+ {
-+ grub_efi_physical_address_t physical_end;
-+
-+ physical_end = tdesc.physical_start + (tdesc.num_pages << 12);
-+ if (physical_end > addr_max)
-+ physical_end = addr_max;
-+
-+ if (physical_end <= 0x7fffffffUL && physical_end > addr)
-+ addr = physical_end - page_align (size);
-+ }
-+ }
-+
-+ if (addr == 0)
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ grub_printf ("no free pages available");
-+ goto fail;
-+ }
-+
-+ initrd_mem = grub_efi_allocate_pages (addr, initrd_pages);
-+ if (! initrd_mem)
-+ grub_fatal ("cannot allocate pages: %x@%x", (unsigned)initrd_pages,
-+ (unsigned)addr);
-+
-+ if (grub_read (initrd_mem, size) != size)
-+ {
-+ grub_printf ("Couldn't read file");
-+ goto fail;
-+ }
-+
-+ grub_printf (" [Initrd, addr=0x%x, size=0x%x]\n", (unsigned int) addr,
-+ (unsigned int) size);
-+
-+ params->hdr.ramdisk_image = addr;
-+ params->hdr.ramdisk_size = size;
-+ params->hdr.root_dev = 0x0100; /* XXX */
-+
-+ fail:
-+ grub_close ();
-+ fail1:
-+ return !errnum;
-+}
-diff --git a/efi/x86_64/loader/switch.S b/efi/x86_64/loader/switch.S
-new file mode 100644
-index 0000000..d0d8dca
---- /dev/null
-+++ b/efi/x86_64/loader/switch.S
-@@ -0,0 +1,92 @@
-+#
-+# Switch from protected mode to real mode and jump to setup.S
-+# image located at %cx:0.
-+#
-+# This module must be placed into physical memory at 0:7C00h.
-+# EFI has some real mode thunking code at 2000:0h.
-+#
-+# Processor and non-maskable interrupts should be disabled
-+# before control is passed to this module.
-+#
-+
-+#define __KERNEL_CS 0x38
-+#define MSR_EFER 0xc0000080
-+#define _EFER_LME 8 /* Long mode enable */
-+
-+.global _start
-+
-+.text
-+_start:
-+ #
-+ # Load identity mapped GDT & real mode IDT.
-+ # Add 7C00h to the addresses since this is linked to start
-+ # at 0h and it is being placed at 7C00h.
-+ #
-+
-+ # fixme here EFI bios cs segment is 0x38
-+ # switch to IA32e compatible mode
-+ # esi point to kernel parameter
-+ # ebx point to kernel entry point
-+.code64
-+ cli
-+ cld
-+ lgdt gdt_64
-+ lidt idt_64
-+ ljmp *exit_ia32e
-+
-+ /* switch to IA32e compatible mode */
-+.code32
-+mode32:
-+ #
-+ # Turn off PG bit in CR0 and set CR3 to zero.
-+ #
-+ movl %cr0, %eax
-+ andl $0x7FFFFFFF, %eax
-+ movl %eax, %cr0
-+
-+ /* Setup EFER (Extended Feature Enable Register) */
-+ nop
-+ nop
-+ movl $0xc0000080, %ecx
-+ rdmsr
-+ /* Enable Long Mode */
-+ andl $0xFFFFFEFF, %eax
-+ /* Make changes effective */
-+ wrmsr
-+
-+ /* Disable PAE */
-+ xorl %eax, %eax
-+ movl %eax, %cr4
-+
-+ jmp 2f
-+2:
-+ jmp *%ebx
-+//jmp to kernel entry
-+
-+.align 8
-+exit_ia32e:
-+ .long mode32
-+ .long 0x10
-+
-+gdt_64: .word 0x08 * 9 -1
-+ .quad gdt
-+
-+ .word 0, 0, 0
-+idt_64: .word 0
-+ .quad 0
-+ #
-+ # GDT & IDT stuff for switching into 32 bit protected mode.
-+ #
-+ .word 0,0,0
-+gdt:
-+ .quad 0x0000000000000000 /* NULL descriptor 0*/
-+ .quad 0x0 /* unused 0x08 */
-+ .quad 0x00cf9a000000ffff /* __KERNEL_CS 0x10 */
-+ .quad 0x00cf92000000ffff /* __KERNEL_DS 0x18 */
-+ .quad 0x00cf92000000ffff
-+ .quad 0x00cf92000000ffff
-+ .quad 0x00cf92000000ffff
-+ .quad 0x00cf9a000000ffff /* __KERNEL32_CS 0x38*/
-+ .quad 0 /* unused */
-+.end
-+
-diff --git a/efi/x86_64/loader/switch.h b/efi/x86_64/loader/switch.h
-new file mode 100644
-index 0000000..b5dc39a
---- /dev/null
-+++ b/efi/x86_64/loader/switch.h
-@@ -0,0 +1,25 @@
-+unsigned char switch_image[] = {
-+0xfa, 0xfc, 0x0f, 0x01, 0x14, 0x25, 0x48, 0x07,
-+0x00, 0x00, 0x0f, 0x01, 0x1c, 0x25, 0x58, 0x07,
-+0x00, 0x00, 0xff, 0x2c, 0x25, 0x40, 0x07, 0x00,
-+0x00, 0x0f, 0x20, 0xc0, 0x25, 0xff, 0xff, 0xff,
-+0x7f, 0x0f, 0x22, 0xc0, 0x90, 0x90, 0xb9, 0x80,
-+0x00, 0x00, 0xc0, 0x0f, 0x32, 0x25, 0xff, 0xfe,
-+0xff, 0xff, 0x0f, 0x30, 0x31, 0xc0, 0x0f, 0x22,
-+0xe0, 0xeb, 0x00, 0xff, 0xe3, 0x8d, 0x76, 0x00,
-+0x19, 0x07, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
-+0x47, 0x00, 0x68, 0x07, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00,
-+0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00,
-+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+};
-+int switch_size = sizeof switch_image;
-diff --git a/efi/x86_64/reloc.c b/efi/x86_64/reloc.c
-new file mode 100644
-index 0000000..b53eb63
---- /dev/null
-+++ b/efi/x86_64/reloc.c
-@@ -0,0 +1,79 @@
-+/* reloc_x86_64.c - position independent x86_64 ELF shared object relocator
-+ Copyright (C) 1999 Hewlett-Packard Co.
-+ Contributed by David Mosberger <davidm(a)hpl.hp.com>.
-+ Copyright (C) 2005 Intel Co.
-+ Contributed by Fenghua Yu <fenghua.yu(a)intel.com>.
-+
-+ This file is part of GNU-EFI, the GNU EFI development environment.
-+
-+ GNU EFI is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License as published by
-+ the Free Software Foundation; either version 2, or (at your option)
-+ any later version.
-+
-+ GNU EFI is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ GNU General Public License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with GNU EFI; see the file COPYING. If not, write to the Free
-+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-+ 02111-1307, USA. */
-+
-+#include <grub/efi/efi.h>
-+#include <grub/efi/api.h>
-+#include <link.h>
-+
-+grub_efi_status_t _relocate (long ldbase, ElfW(Dyn) *dyn,
-+ grub_efi_handle_t image_handle,
-+ grub_efi_system_table_t *sys_tab)
-+{
-+ //extern EFI_STATUS efi_main (EFI_HANDLE, EFI_SYSTEM_TABLE *);
-+ long relsz = 0, relent = 0;
-+ ElfW(Rel) *rel = 0;
-+ unsigned long *addr;
-+ int i;
-+
-+ for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
-+ switch (dyn[i].d_tag) {
-+ case DT_RELA:
-+ rel = (ElfW(Rel)*) ((long) dyn[i].d_un.d_ptr + ldbase);
-+ break;
-+
-+ case DT_RELASZ:
-+ relsz = dyn[i].d_un.d_val;
-+ break;
-+
-+ case DT_RELAENT:
-+ relent = dyn[i].d_un.d_val;
-+ break;
-+
-+ default:
-+ break;
-+ }
-+ }
-+
-+ if (!rel || relent == 0){
-+ return GRUB_EFI_LOAD_ERROR;
-+ }
-+ while (relsz > 0) {
-+ /* apply the relocs */
-+ switch (ELF64_R_TYPE (rel->r_info)) {
-+ case R_X86_64_NONE:
-+ break;
-+
-+ case R_X86_64_RELATIVE:
-+ addr = (unsigned long *) (ldbase + rel->r_offset);
-+ *addr += ldbase;
-+ break;
-+
-+ default:
-+ break;
-+ }
-+ rel = (ElfW(Rel)*) ((char *) rel + relent);
-+ relsz -= relent;
-+ }
-+ return GRUB_EFI_SUCCESS;
-+}
-+
-diff --git a/efi/x86_64/setjmp.S b/efi/x86_64/setjmp.S
-new file mode 100644
-index 0000000..e042a14
---- /dev/null
-+++ b/efi/x86_64/setjmp.S
-@@ -0,0 +1,56 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2003 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include <grub/symbol.h>
-+
-+ .file "setjmp.S"
-+
-+ .text
-+
-+/*
-+ * int grub_setjmp (grub_jmp_buf env)
-+ */
-+FUNCTION(grub_setjmp)
-+ pop %rsi /* Return address, and adjust the stack */
-+ xor %rax, %rax
-+ movq %rbx, 0(%rdi) /* RBX */
-+ movq %rsp, 8(%rdi) /* RSP */
-+ push %rsi
-+ movq %rbp, 16(%rdi) /* RBP */
-+ movq %r12, 24(%rdi) /* R12 */
-+ movq %r13, 32(%rdi) /* R13 */
-+ movq %r14, 40(%rdi) /* R14 */
-+ movq %r15, 48(%rdi) /* R15 */
-+ movq %rsi, 56(%rdi) /* RSI */
-+ ret
-+
-+/*
-+ * int grub_longjmp (grub_jmp_buf env, int val)
-+ */
-+FUNCTION(grub_longjmp)
-+ movl %esi, %eax
-+ movq (%rdi), %rbx
-+ movq 8(%rdi), %rsp
-+ movq 16(%rdi), %rbp
-+ movq 24(%rdi), %r12
-+ movq 32(%rdi), %r13
-+ movq 40(%rdi), %r14
-+ movq 48(%rdi), %r15
-+ jmp *56(%rdi)
-+
-diff --git a/efi/xpm.c b/efi/xpm.c
-new file mode 100644
-index 0000000..085a10c
---- /dev/null
-+++ b/efi/xpm.c
-@@ -0,0 +1,231 @@
-+
-+#if defined(SUPPORT_GRAPHICS) || defined(PLATFORM_EFI) || 1
-+
-+#include <grub/efi/api.h>
-+#include <grub/efi/efi.h>
-+#include <grub/misc.h>
-+
-+#include "xpm.h"
-+
-+unsigned char
-+xpm_get_pixel_idx(struct xpm *xpm, int x, int y)
-+{
-+ if (x < 0 || x >= xpm->width)
-+ return -1;
-+ if (y < 0 || y >= xpm->width)
-+ return -1;
-+ return xpm->image[x + (y * xpm->width)];
-+}
-+
-+void
-+xpm_set_pixel_idx(struct xpm *xpm, int x, int y, unsigned char idx)
-+{
-+ xpm->image[y * xpm->width + x] = idx;
-+}
-+
-+void
-+xpm_get_idx(struct xpm *xpm, unsigned char idx, xpm_pixel_t *pixel)
-+{
-+ xpm_pixel_t *xpl;
-+ if (!pixel)
-+ return;
-+ if (idx >= xpm->colors) {
-+ pixel->red = pixel->green = pixel->blue = 0;
-+ return;
-+ }
-+ xpl = &xpm->palette[idx];
-+ memcpy(pixel, xpl, sizeof (*pixel));
-+// pixel->red = xpl->red;
-+// pixel->green = xpl->green;
-+// pixel->blue = xpl->blue;
-+}
-+
-+int
-+xpm_get_pixel(struct xpm *xpm, int x, int y, xpm_pixel_t *pixel)
-+{
-+ unsigned char idx;
-+ idx = xpm_get_pixel_idx(xpm, x, y);
-+ xpm_get_idx(xpm, idx, pixel);
-+ return 1;
-+}
-+
-+static int
-+hex_to_int(int v)
-+{
-+ if (v >= 'A' && v <= 'F')
-+ return (v - 'A' + 10);
-+ if (v >= 'a' && v <= 'f')
-+ return (v - 'a' + 10);
-+ return (v - '0');
-+}
-+
-+struct xpm *
-+xpm_open(char *path)
-+{
-+ char c, prev, target[]="/* XPM */\n", base;
-+ char buf[32];
-+ int pos = 0;
-+ unsigned int i, idx, len, x, y;
-+ unsigned char pal[XPM_MAX_COLORS];
-+ struct xpm *xpm;
-+
-+ xpm = grub_malloc(sizeof (*xpm));
-+ if (!xpm)
-+ return NULL;
-+
-+ if (!grub_open(path)) {
-+ grub_free(xpm);
-+ grub_printf("grub_open(\"%s\") failed\n", path);
-+ return NULL;
-+ }
-+
-+ grub_memset(xpm, '\0', sizeof (*xpm));
-+
-+ prev = '\n';
-+ c = 0;
-+ do {
-+ if (grub_read(&c, 1) != 1) {
-+ grub_printf("grub_read() failed\n");
-+ grub_free(xpm);
-+ grub_close();
-+ return NULL;
-+ }
-+ if ((pos == 0 && prev == '\n') || pos > 0) {
-+ if (c == target[pos])
-+ pos++;
-+ else
-+ pos = 0;
-+ }
-+ prev = c;
-+ } while (target[pos]);
-+
-+ /* parse info */
-+ while (grub_read(&c, 1)) {
-+ if (c == '"')
-+ break;
-+ }
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ i = 0;
-+ xpm->width = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ xpm->width = xpm->width * 10 + c - '0';
-+ else
-+ break;
-+ }
-+ if (xpm->width > XPM_MAX_WIDTH) {
-+ grub_printf("xpm->width (%d) was greater than XPM_MAX_WIDTH (%d)\n",
-+ xpm->width, XPM_MAX_WIDTH);
-+ grub_free(xpm);
-+ grub_close();
-+ return NULL;
-+ }
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ xpm->height = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ xpm->height = xpm->height * 10 + c - '0';
-+ else
-+ break;
-+ }
-+ if (xpm->height > XPM_MAX_HEIGHT) {
-+ grub_printf("xpm->height (%d) was greater than XPM_MAX_HEIGHT (%d)\n",
-+ xpm->height, XPM_MAX_HEIGHT);
-+ grub_free(xpm);
-+ grub_close();
-+ return NULL;
-+ }
-+
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ xpm->colors = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ xpm->colors = xpm->colors * 10 + c - '0';
-+ else
-+ break;
-+ }
-+
-+ base = 0;
-+ while (grub_read(&c, 1) && c != '"')
-+ ;
-+
-+ /* palette */
-+ for (i = 0, idx = 1; i < xpm->colors; i++) {
-+ len = 0;
-+
-+ while (grub_read(&c, 1) && c != '"')
-+ ;
-+ grub_read(&c, 1); /* char */
-+ base = c;
-+ grub_read(buf, 4); /* \t c # */
-+
-+ while (grub_read(&c, 1) && c != '"') {
-+ if (len < sizeof(buf))
-+ buf[len++] = c;
-+ }
-+
-+ if (len == 6 && idx < xpm->colors) {
-+ unsigned char r, g, b;
-+
-+ r = (hex_to_int(buf[0]) << 4) | hex_to_int(buf[1]);
-+ g = (hex_to_int(buf[2]) << 4) | hex_to_int(buf[3]);
-+ b = (hex_to_int(buf[4]) << 4) | hex_to_int(buf[5]);
-+
-+ pal[idx] = base;
-+ xpm->palette[idx].red = r;
-+ xpm->palette[idx].green = g;
-+ xpm->palette[idx].blue = b;
-+ ++idx;
-+ }
-+ }
-+
-+ /* parse xpm data */
-+ x = y = 0;
-+ while (y < xpm->height) {
-+ xpm_pixel_t *pixel = NULL;
-+ while (1) {
-+ if (!grub_read(&c, 1)) {
-+ grub_printf("%s %s:%d grub_read() failed\n", __FILE__, __func__, __LINE__);
-+ grub_free(xpm);
-+ grub_close();
-+ return NULL;
-+ }
-+ if (c == '"')
-+ break;
-+ }
-+
-+ while (grub_read(&c, 1) && c != '"') {
-+ unsigned char *iaddr = NULL;
-+ for (i = 1; i < xpm->colors; i++)
-+ if (pal[i] == c) {
-+ idx = i;
-+ break;
-+ }
-+
-+ xpm_set_pixel_idx(xpm, x, y, idx);
-+
-+ if (++x >= xpm->width) {
-+ x = 0;
-+
-+ ++y;
-+ }
-+ }
-+ }
-+ grub_close();
-+ return xpm;
-+}
-+
-+void
-+xpm_free(struct xpm *xpm)
-+{
-+ grub_free(xpm);
-+}
-+
-+
-+#endif /* SUPPORT_GRAPHICS || PLATFORM_EFI */
-diff --git a/efi/xpm.h b/efi/xpm.h
-new file mode 100644
-index 0000000..258abc1
---- /dev/null
-+++ b/efi/xpm.h
-@@ -0,0 +1,36 @@
-+#ifndef GRUB_XPM_H
-+#define GRUB_XPM_H
-+
-+#include <shared.h>
-+
-+#define XPM_MAX_COLORS 31
-+#define XPM_MAX_WIDTH 640
-+#define XPM_MAX_HEIGHT 480
-+
-+struct xpm_pixel {
-+ unsigned char reserved;
-+ unsigned char red;
-+ unsigned char green;
-+ unsigned char blue;
-+};
-+typedef struct xpm_pixel xpm_pixel_t;
-+
-+struct xpm {
-+ int colors;
-+ xpm_pixel_t palette[32];
-+
-+ int width;
-+ int height;
-+ unsigned char image[XPM_MAX_WIDTH * XPM_MAX_HEIGHT];
-+};
-+
-+extern struct xpm *xpm_open(char *path);
-+extern void xpm_free(struct xpm *xpm);
-+
-+extern unsigned char xpm_get_pixel_idx(struct xpm *xpm, int x, int y);
-+extern void xpm_set_pixel_idx(struct xpm *xpm, int x, int y, unsigned char idx);
-+extern int xpm_get_pixel(struct xpm *xpm, int x, int y, xpm_pixel_t *pixel);
-+
-+extern void xpm_get_idx(struct xpm *xpm, unsigned char idx, xpm_pixel_t *pixel);
-+
-+#endif /* GRUB_XPM_H */
-diff --git a/grub.spec b/grub.spec
-new file mode 100644
-index 0000000..7e5982d
---- /dev/null
-+++ b/grub.spec
-@@ -0,0 +1,438 @@
-+Name: grub
-+Version: 0.97
-+Release: 20%{?dist}
-+Summary: GRUB - the Grand Unified Boot Loader.
-+Group: System Environment/Base
-+License: GPLv2+
-+
-+ExclusiveArch: i386 x86_64
-+BuildRequires: binutils >= 2.9.1.0.23, ncurses-devel, ncurses-static, texinfo
-+BuildRequires: autoconf /usr/lib/crt1.o automake
-+PreReq: /sbin/install-info
-+Requires: mktemp
-+Requires: /usr/bin/cmp
-+Requires: system-logos
-+BuildRoot: %{_tmppath}/%{name}-%{version}-root
-+
-+URL: http://www.gnu.org/software/%{name}/
-+Source0: ftp://alpha.gnu.org/gnu/%{name}/%{name}-%{version}.tar.gz
-+Patch0: grub-fedora-9.patch
-+
-+%description
-+GRUB (Grand Unified Boot Loader) is an experimental boot loader
-+capable of booting into most free operating systems - Linux, FreeBSD,
-+NetBSD, GNU Mach, and others as well as most commercial operating
-+systems.
-+
-+%prep
-+%setup -q
-+%patch0 -p1 -b .fedora-9
-+
-+%build
-+autoreconf
-+autoconf
-+GCCVERS=$(gcc --version | head -1 | cut -d\ -f3 | cut -d. -f1)
-+CFLAGS="-Os -g -fno-strict-aliasing -Wall -Werror -Wno-shadow -Wno-unused"
-+if [ "$GCCVERS" == "4" ]; then
-+ CFLAGS="$CFLAGS -Wno-pointer-sign"
-+fi
-+export CFLAGS
-+%ifarch x86_64
-+%configure --sbindir=/sbin --disable-auto-linux-mem-opt --datarootdir=%{_datadir} --with-platform=efi
-+make
-+rm -fr $RPM_BUILD_ROOT
-+%makeinstall sbindir=${RPM_BUILD_ROOT}/sbin
-+mv ${RPM_BUILD_ROOT}/sbin/grub ${RPM_BUILD_ROOT}/sbin/grub-efi
-+make clean
-+autoreconf
-+autoconf
-+CFLAGS="$CFLAGS -static"
-+export CFLAGS
-+%endif
-+%configure --sbindir=/sbin --disable-auto-linux-mem-opt --datarootdir=%{_datadir}
-+make
-+
-+%install
-+%makeinstall sbindir=${RPM_BUILD_ROOT}/sbin
-+mkdir -p ${RPM_BUILD_ROOT}/boot/grub
-+
-+rm -f ${RPM_BUILD_ROOT}/%{_infodir}/dir
-+
-+%clean
-+rm -fr $RPM_BUILD_ROOT
-+
-+%post
-+if [ "$1" = 1 ]; then
-+ /sbin/install-info --info-dir=%{_infodir} %{_infodir}/grub.info.gz || :
-+ /sbin/install-info --info-dir=%{_infodir} %{_infodir}/multiboot.info.gz || :
-+fi
-+
-+%preun
-+if [ "$1" = 0 ] ;then
-+ /sbin/install-info --delete --info-dir=%{_infodir} %{_infodir}/grub.info.gz || :
-+ /sbin/install-info --delete --info-dir=%{_infodir} %{_infodir}/multiboot.info.gz || :
-+fi
-+
-+%files
-+%defattr(-,root,root)
-+%doc AUTHORS ChangeLog NEWS README COPYING TODO docs/menu.lst
-+/boot/grub
-+/sbin/grub
-+/sbin/grub-install
-+/sbin/grub-terminfo
-+/sbin/grub-md5-crypt
-+%{_bindir}/mbchk
-+%{_infodir}/grub*
-+%{_infodir}/multiboot*
-+%{_mandir}/man*/*
-+%{_datadir}/grub
-+%ifarch x86_64
-+/sbin/grub-efi
-+%endif
-+
-+%changelog
-+* Mon Nov 05 2007 Peter Jones <pjones(a)redhat.com> - 0.97-20
-+- Add EFI support from Intel on x86_64
-+
-+* Thu Sep 20 2007 Peter Jones <pjones(a)redhat.com> - 0.97-19
-+- Fix dmraid detection on Intel (isw) controllers in grub-install .
-+
-+* Wed Aug 22 2007 Peter Jones <pjones(a)redhat.com> - 0.97-18
-+- Fix license tag.
-+
-+* Mon Aug 20 2007 Peter Jones <pjones(a)redhat.com> - 0.97-17
-+- Use --build-id=none instead of stripping out the build-id notes in the
-+ first and second stage loaders.
-+
-+* Tue Aug 7 2007 Peter Jones <pjones(a)redhat.com> - 0.97-16
-+- Add ext[23] large inode support (patch from Eric Sandeen)
-+- Fix auto* breakage that happened when we switched from autoreconf to autoconf
-+- Move to original tarball + patch generated from git
-+
-+* Mon Jul 16 2007 Peter Jones <pjones(a)redhat.com> - 0.97-15
-+- Support booting from GPT
-+
-+* Fri Feb 23 2007 Bill Nottingham <notting(a)redhat.com> - 0.97-14
-+- fix scriplet errors when installed with --nodocs
-+- coax grub into building (-ltinfo, autoconf instead of autoreconf)
-+
-+* Sun Oct 01 2006 Jesse Keating <jkeating(a)redhat.com> - 0.97-13
-+- rebuilt for unwind info generation, broken in gcc-4.1.1-21
-+
-+* Thu Sep 21 2006 Peter Jones <pjones(a)redhat.com> - 0.97-12
-+- Reenable patch 505, which fixes #116311
-+
-+* Tue Aug 15 2006 Peter Jones <pjones(a)redhat.com> - 0.97-11
-+- Disable patch 505 (#164497)
-+
-+* Wed Aug 2 2006 Peter Jones <pjones(a)redhat.com> - 0.97-10
-+- Fix grub-install for multipath
-+
-+* Wed Jul 12 2006 Jesse Keating <jkeating(a)redhat.com> - 0.97-9.1
-+- rebuild
-+
-+* Fri Jul 7 2006 Peter Jones <pjones(a)redhat.com> - 0.97-9
-+- fix broken error reporting from helper functions
-+
-+* Mon Jun 12 2006 Peter Jones <pjones(a)redhat.com> - 0.97-8
-+- Fix BIOS keyboard handler to use extended keyboard interrupts, so the
-+ Mac Mini works.
-+
-+* Mon Jun 5 2006 Jesse Keating <jkeating(a)redhat.com> - 0.97-7
-+- Added BuildRequires on a 32bit library
-+
-+* Sat May 27 2006 Peter Jones <pjones(a)redhat.com> - 0.97-6
-+- Fix mactel keyboard problems, patch from Juergen Keil, forwarded by Linus.
-+
-+* Mon Mar 13 2006 Peter Jones <pjones(a)redhat.com> - 0.97-5
-+- Fix merge error for "bootonce" patch (broken in 0.95->0.97 update)
-+- Get rid of the 0.97 "default" stuff, since it conflicts with our working
-+ method.
-+
-+* Mon Mar 9 2006 Peter Jones <pjones(a)redhat.com> - 0.97-4
-+- Fix running "install" multiple times on the same fs in the same invocation
-+ of grub. (bz #158426 , patch from lxo(a)redhat.com)
-+
-+* Mon Feb 13 2006 Peter Jones <pjones(a)redhat.com> - 0.97-3
-+- fix partition names on dmraid
-+
-+* Tue Feb 07 2006 Jesse Keating <jkeating(a)redhat.com> - 0.97-2.1
-+- rebuilt for new gcc4.1 snapshot and glibc changes
-+
-+* Fri Jan 13 2006 Peter Jones <pjones(a)redhat.com> - 0.97-2
-+- add dmraid support
-+
-+* Wed Dec 14 2005 Peter Jones <pjones(a)redhat.com> - 0.97-1
-+- update to grub 0.97
-+
-+* Mon Dec 5 2005 Peter Jones <pjones(a)redhat.com> - 0.95-17
-+- fix configure conftest.c bugs
-+- add -Wno-unused to defeat gcc41 "unused" checking when there are aliases.
-+
-+* Mon Aug 1 2005 Peter Jones <pjones(a)redhat.com> - 0.95-16
-+- minor fix to the --recheck fix.
-+
-+* Mon Jul 25 2005 Peter Jones <pjones(a)redhat.com> 0.95-15
-+- Make "grub-install --recheck" warn the user about how bad it is,
-+ and keep a backup file, which it reverts to upon detecting some errors.
-+
-+* Wed Jul 6 2005 Peter Jones <pjones(a)redhat.com> 0.95-14
-+- Fix changelog to be UTF-8
-+
-+* Thu May 19 2005 Peter Jones <pjones(a)redhat.com> 0.95-13
-+- Make the spec work with gcc3 and gcc4, so people can test on existing
-+ installations.
-+- don't treat i2o like a cciss device, since its partition names aren't done
-+ that way. (#158158)
-+
-+* Wed Mar 16 2005 Peter Jones <pjones(a)redhat.com> 0.95-12
-+- Make installing on a partition work again when not using raid
-+
-+* Thu Mar 3 2005 Peter Jones <pjones(a)redhat.com> 0.95-11
-+- Make it build with gcc4
-+
-+* Sun Feb 20 2005 Peter Jones <pjones(a)redhat.com> 0.95-10
-+- Always install in MBR for raid1 /boot/
-+
-+* Sun Feb 20 2005 Peter Jones <pjones(a)redhat.com> 0.95-9
-+- Always use full path for mdadm in grub-install
-+
-+* Tue Feb 8 2005 Peter Jones <pjones(a)redhat.com> 0.95-8
-+- Mark the simulation stack executable
-+- Eliminate the use of inline functions in stage2/builtins.c
-+
-+* Wed Jan 11 2005 Peter Jones <pjones(a)redhat.com> 0.95-7
-+- Make grub ignore everything before the XPM header in the splash image,
-+ fixing #143879
-+- If the boot splash image is missing, use console mode instead
-+ of graphics mode.
-+- Don't print out errors using the graphics terminal code if we're not
-+ actually in graphics mode.
-+
-+* Mon Jan 3 2005 Peter Jones <pjones(a)redhat.com> 0.95-6
-+- reworked much of how the RAID1 support in grub-install works. This version
-+ does not require all the devices in the raid to be listed in device.map,
-+ as long as you specify a physical device or partition rather than an md
-+ device. It should also work with a windows dual-boot on the first partition.
-+
-+* Fri Dec 17 2004 Peter Jones <pjones(a)redhat.com> 0.95-5
-+- added support for RAID1 devices to grub-install, partly based on a
-+ patch from David Knierim. (#114690)
-+
-+* Tue Nov 30 2004 Jeremy Katz <katzj(a)redhat.com> 0.95-4
-+- add patch from upstream CVS to handle sparse files on ext[23]
-+- make geometry detection a little bit more robust/correct
-+- use O_DIRECT when reading/writing from devices. use aligned buffers as
-+ needed for read/write (#125808)
-+- actually apply the i2o patch
-+- detect cciss/cpqarray devices better (#123249)
-+
-+* Thu Sep 30 2004 Jeremy Katz <katzj(a)redhat.com> - 0.95-3
-+- don't act on the keypress for the menu (#134029)
-+
-+* Mon Jun 28 2004 Jeremy Katz <katzj(a)redhat.com> - 0.95-2
-+- add patch from Nicholas Miell to make hiddenmenu work more
-+ nicely with splashimage mode (#126764)
-+
-+* Fri Jun 18 2004 Jeremy Katz <katzj(a)redhat.com> - 0.95-1
-+- update to 0.95
-+- drop emd patch, E-MD isn't making forward progress upstream
-+- fix static build for x86_64 (#121095)
-+
-+* Tue Jun 15 2004 Elliot Lee <sopwith(a)redhat.com>
-+- rebuilt
-+
-+* Wed Jun 9 2004 Jeremy Katz <katzj(a)redhat.com>
-+- require system-logos (#120837)
-+
-+* Fri Jun 4 2004 Jeremy Katz <katzj(a)redhat.com>
-+- buildrequire automake (#125326)
-+
-+* Thu May 06 2004 Warren Togami <wtogami(a)redhat.com> - 0.94-5
-+- i2o patch from Markus Lidel
-+
-+* Wed Apr 14 2004 Jeremy Katz <katzj(a)redhat.com> - 0.94-4
-+- read geometry off of the disk since HDIO_GETGEO doesn't actually
-+ return correct data with a 2.6 kernel
-+
-+* Fri Mar 12 2004 Jeremy Katz <katzj(a)redhat.com>
-+- add texinfo buildrequires (#118146)
-+
-+* Wed Feb 25 2004 Jeremy Katz <katzj(a)redhat.com> 0.94-3
-+- don't use initrd_max_address
-+
-+* Fri Feb 13 2004 Elliot Lee <sopwith(a)redhat.com> 0.94-2
-+- rebuilt
-+
-+* Thu Feb 12 2004 Jeremy Katz <katzj(a)redhat.com> 0.94-1
-+- update to 0.94, patch merging and updating as necessary
-+
-+* Sat Jan 3 2004 Jeremy Katz <katzj(a)redhat.com> 0.93-8
-+- new bootonce patch from Padraig Brady so that you don't lose
-+ the old default (#112775)
-+
-+* Mon Nov 24 2003 Jeremy Katz <katzj(a)redhat.com>
-+- add ncurses-devel as a buildrequires (#110732)
-+
-+* Tue Oct 14 2003 Jeremy Katz <katzj(a)redhat.com> 0.93-7
-+- rebuild
-+
-+* Wed Jul 2 2003 Jeremy Katz <katzj(a)redhat.com>
-+- Requires: /usr/bin/cmp (#98325)
-+
-+* Thu May 22 2003 Jeremy Katz <katzj(a)redhat.com> 0.93-6
-+- add patch from upstream to fix build with gcc 3.3
-+
-+* Wed Apr 2 2003 Jeremy Katz <katzj(a)redhat.com> 0.93-5
-+- add patch to fix support for serial terminfo (#85595)
-+
-+* Wed Jan 22 2003 Tim Powers <timp(a)redhat.com>
-+- rebuilt
-+
-+* Fri Jan 17 2003 Jeremy Katz <katzj(a)redhat.com> 0.93-3
-+- add patch from HJ Lu to support large disks (#80980, #63848)
-+- add patch to make message when ending edit clearer (#53846)
-+
-+* Sun Dec 29 2002 Jeremy Katz <katzj(a)redhat.com> 0.93-2
-+- add a patch to reset the terminal type to console before doing 'boot' from
-+ the command line (#61069)
-+
-+* Sat Dec 28 2002 Jeremy Katz <katzj(a)redhat.com> 0.93-1
-+- update to 0.93
-+- update configfile patch
-+- graphics patch rework to fit in as a terminal type as present in 0.93
-+- use CFLAGS="-Os -g"
-+- patch configure.in to allow building if host_cpu=x86_64, include -m32 in
-+ CFLAGS if building on x86_64
-+- link glibc static on x86_64 to not require glibc32
-+- include multiboot info pages
-+- drop obsolete patches, reorder remaining patches into some semblance of order
-+
-+* Thu Sep 5 2002 Jeremy Katz <katzj(a)redhat.com> 0.92-7
-+- splashscreen is in redhat-logos now
-+
-+* Tue Sep 3 2002 Jeremy Katz <katzj(a)redhat.com> 0.92-6
-+- update splashscreen again
-+
-+* Mon Sep 2 2002 Jeremy Katz <katzj(a)redhat.com> 0.92-5
-+- update splashscreen
-+
-+* Fri Jun 21 2002 Tim Powers <timp(a)redhat.com> 0.92-4
-+- automated rebuild
-+
-+* Thu May 23 2002 Tim Powers <timp(a)redhat.com> 0.92-3
-+- automated rebuild
-+
-+* Fri May 3 2002 Jeremy Katz <katzj(a)redhat.com> 0.92-2
-+- add patch from Grant Edwards to make vga16 + serial happier (#63491)
-+
-+* Wed May 1 2002 Jeremy Katz <katzj(a)redhat.com> 0.92-1
-+- update to 0.92
-+- back to autoreconf
-+- make it work with automake 1.6/autoconf 2.53
-+- use "-falign-jumps=1 -falign-loops=1 -falign-functions=1" instead of
-+ "-malign-jumps=1 -malign-loops=1 -malign-functions=1" to not use
-+ deprecated gcc options
-+
-+* Tue Apr 9 2002 Jeremy Katz <katzj(a)redhat.com> 0.91-4
-+- new splash screen
-+
-+* Fri Mar 8 2002 Jeremy Katz <katzj(a)redhat.com> 0.91-3
-+- include patch from Denis Kitzmen to fix typo causing several options to
-+ never be defined (in upstream CVS)
-+- include patch from upstream CVS to make displaymem always use hex for
-+ consistency
-+- add patch from GRUB mailing list from Keir Fraser to add a --once flag to
-+ savedefault function so that you can have the equivalent of lilo -R
-+ functionality (use 'savedefault --default=N --once' from the grub shell)
-+- back to autoconf
-+
-+* Sun Jan 27 2002 Jeremy Katz <katzj(a)redhat.com>
-+- change to use $grubdir instead of /boot/grub in the symlink patch (#58771)
-+
-+* Fri Jan 25 2002 Jeremy Katz <katzj(a)redhat.com> 0.91-2
-+- don't ifdef out the auto memory passing, use the configure flag instead
-+- add a patch so that grub respects mem= from the kernel command line when
-+ deciding where to place the initrd (#52558)
-+
-+* Mon Jan 21 2002 Jeremy Katz <katzj(a)redhat.com> 0.91-1
-+- update to 0.91 final
-+- add documentation on splashimage param (#51609)
-+
-+* Wed Jan 2 2002 Jeremy Katz <katzj(a)redhat.com> 0.91-0.20020102cvs
-+- update to current CVS snapshot to fix some of the hangs on boot related
-+ to LBA probing (#57503, #55868, and others)
-+
-+* Fri Dec 21 2001 Erik Troan <ewt(a)redhat.com> 0.90-14
-+- fixed append patch to not require arguments to begin with
-+- changed to autoreconf from autoconf
-+
-+* Wed Oct 31 2001 Jeremy Katz <katzj(a)redhat.com> 0.90-13
-+- include additional patch from Erich to add sync calls in grub-install to
-+ work around updated images not being synced to disk
-+- fix segfault in grub shell if 'password --md5' is used without specifying
-+ a password (#55008)
-+
-+* Fri Oct 26 2001 Jeremy Katz <katzj(a)redhat.com> 0.90-12
-+- Include Erich Boleyn <erich(a)uruk.org>'s patch to disconnect from the
-+ BIOS after APM operations. Should fix #54375
-+
-+* Wed Sep 12 2001 Erik Troan <ewt(a)redhat.com>
-+- added patch for 'a' option in grub boot menu
-+
-+* Wed Sep 5 2001 Jeremy Katz <katzj(a)redhat.com> 0.90-11
-+- grub-install: if /boot/grub/grub.conf doesn't exist but /boot/grub/menu.lst
-+ does, create a symlink
-+
-+* Fri Aug 24 2001 Jeremy Katz <katzj(a)redhat.com>
-+- pull in patch from upstream CVS to fix md5crypt in grub shell (#52220)
-+- use mktemp in grub-install to avoid tmp races
-+
-+* Fri Aug 3 2001 Jeremy Katz <katzj(a)redhat.com>
-+- link curses statically (#49519)
-+
-+* Thu Aug 2 2001 Jeremy Katz <katzj(a)redhat.com>
-+- fix segfault with using the serial device before initialization (#50219)
-+
-+* Thu Jul 19 2001 Jeremy Katz <katzj(a)redhat.com>
-+- add --copy-only flag to grub-install
-+
-+* Thu Jul 19 2001 Jeremy Katz <katzj(a)redhat.com>
-+- copy files in grub-install prior to device probe
-+
-+* Thu Jul 19 2001 Jeremy Katz <katzj(a)redhat.com>
-+- original images don't go in /boot and then grub-install does the right
-+ thing
-+
-+* Thu Jul 19 2001 Jeremy Katz <katzj(a)redhat.com>
-+- fix the previous patch
-+- put the password prompt in the proper location
-+
-+* Thu Jul 19 2001 Jeremy Katz <katzj(a)redhat.com>
-+- reset the screen when the countdown is cancelled so text will disappear
-+ in vga16 mode
-+
-+* Mon Jul 16 2001 Jeremy Katz <katzj(a)redhat.com>
-+- change configfile defaults to grub.conf
-+
-+* Sun Jul 15 2001 Jeremy Katz <katzj(a)redhat.com>
-+- updated to grub 0.90 final
-+
-+* Fri Jul 6 2001 Matt Wilson <msw(a)redhat.com>
-+- modifed splash screen to a nice shade of blue
-+
-+* Tue Jul 3 2001 Matt Wilson <msw(a)redhat.com>
-+- added a first cut at a splash screen
-+
-+* Sun Jul 1 2001 Nalin Dahyabhai <nalin(a)redhat.com>
-+- fix datadir mismatch between build and install phases
-+
-+* Mon Jun 25 2001 Jeremy Katz <katzj(a)redhat.com>
-+- update to current CVS
-+- forward port VGA16 patch from Paulo César Pereira de
-+ Andrade <pcpa(a)conectiva.com.br>
-+- add patch for cciss, ida, and rd raid controllers
-+- don't pass mem= to the kernel
-+
-+* Wed May 23 2001 Erik Troan <ewt(a)redhat.com>
-+- initial build for Red Hat
-diff --git a/grub/.gitignore b/grub/.gitignore
-new file mode 100644
-index 0000000..5d89f6d
---- /dev/null
-+++ b/grub/.gitignore
-@@ -0,0 +1,2 @@
-+Makefile.in
-+.deps
-diff --git a/grub/Makefile.am b/grub/Makefile.am
-index 7eb2eaa..d4353f7 100644
---- a/grub/Makefile.am
-+++ b/grub/Makefile.am
-@@ -15,5 +15,5 @@ AM_CPPFLAGS = -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
-
- AM_CFLAGS = $(GRUB_CFLAGS)
-
--grub_SOURCES = main.c asmstub.c
-+grub_SOURCES = main.c asmstub.c efitftp.c
- grub_LDADD = ../stage2/libgrub.a ../lib/libcommon.a $(GRUB_LIBS)
-diff --git a/grub/Makefile.in b/grub/Makefile.in
-deleted file mode 100644
-index 136c38f..0000000
---- a/grub/Makefile.in
-+++ /dev/null
-@@ -1,445 +0,0 @@
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--
--installcheck: installcheck-am
--install-strip:
-- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-- `test -z '$(STRIP)' || \
-- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
--mostlyclean-generic:
--
--clean-generic:
--
--distclean-generic:
-- -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
--
--maintainer-clean-generic:
-- @echo "This command is intended for maintainers to use"
-- @echo "it deletes files that may require special tools to rebuild."
--clean: clean-am
--
--clean-am: clean-generic clean-sbinPROGRAMS mostlyclean-am
--
--distclean: distclean-am
-- -rm -rf ./$(DEPDIR)
-- -rm -f Makefile
--distclean-am: clean-am distclean-compile distclean-generic \
-- distclean-tags
--
--dvi: dvi-am
--
--dvi-am:
--
--html: html-am
--
--info: info-am
--
--info-am:
--
--install-data-am:
--
--install-exec-am: install-sbinPROGRAMS
--
--install-info: install-info-am
--
--install-man:
--
--installcheck-am:
--
--maintainer-clean: maintainer-clean-am
-- -rm -rf ./$(DEPDIR)
-- -rm -f Makefile
--maintainer-clean-am: distclean-am maintainer-clean-generic
--
--mostlyclean: mostlyclean-am
--
--mostlyclean-am: mostlyclean-compile mostlyclean-generic
--
--pdf: pdf-am
--
--pdf-am:
--
--ps: ps-am
--
--ps-am:
--
--uninstall-am: uninstall-info-am uninstall-sbinPROGRAMS
--
--.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
-- clean-sbinPROGRAMS ctags distclean distclean-compile \
-- distclean-generic distclean-tags distdir dvi dvi-am html \
-- html-am info info-am install install-am install-data \
-- install-data-am install-exec install-exec-am install-info \
-- install-info-am install-man install-sbinPROGRAMS install-strip \
-- installcheck installcheck-am installdirs maintainer-clean \
-- maintainer-clean-generic mostlyclean mostlyclean-compile \
-- mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
-- uninstall-am uninstall-info-am uninstall-sbinPROGRAMS
--
--# Tell versions [3.59,3.63) of GNU make to not export all variables.
--# Otherwise a system limit (for SysV at least) may be exceeded.
--.NOEXPORT:
-diff --git a/grub/asmstub.c b/grub/asmstub.c
-index ab95b4b..818be75 100644
---- a/grub/asmstub.c
-+++ b/grub/asmstub.c
-@@ -42,6 +42,7 @@ int grub_stage2 (void);
- #include <sys/time.h>
- #include <termios.h>
- #include <signal.h>
-+#include <sys/mman.h>
-
- #ifdef __linux__
- # include <sys/ioctl.h> /* ioctl */
-@@ -53,6 +54,9 @@ int grub_stage2 (void);
- # ifndef BLKFLSBUF
- # define BLKFLSBUF _IO (0x12,97) /* flush buffer cache */
- # endif /* ! BLKFLSBUF */
-+# ifndef O_DIRECT
-+# define O_DIRECT 040000
-+# endif /* ! O_DIRECT */
- #endif /* __linux__ */
-
- /* We want to prevent any circularararity in our stubs, as well as
-@@ -71,7 +75,7 @@ unsigned long install_partition = 0x20000;
- unsigned long boot_drive = 0;
- int saved_entryno = 0;
- char version_string[] = VERSION;
--char config_file[128] = "/boot/grub/menu.lst"; /* FIXME: arbitrary */
-+char config_file[128] = "/boot/grub/grub.conf"; /* FIXME: arbitrary */
- unsigned long linux_text_len = 0;
- char *linux_data_tmp_addr = 0;
- char *linux_data_real_addr = 0;
-@@ -79,7 +83,7 @@ unsigned short io_map[IO_MAP_SIZE];
- struct apm_info apm_bios_info;
-
- /* Emulation requirements. */
--char *grub_scratch_mem = 0;
-+void *grub_scratch_mem = 0;
-
- struct geometry *disks = 0;
-
-@@ -103,14 +107,73 @@ static char *serial_device = 0;
- static unsigned int serial_speed;
- #endif /* SIMULATE_SLOWNESS_OF_SERIAL */
-
-+#ifdef GRUB_UTIL
-+int get_sector_size (int drive)
-+{
-+ return 0x200;
-+}
-+int get_sector_bits (int drive)
-+{
-+ return 9;
-+}
-+#endif /* GRUB_UTIL */
-+
-+/* This allocates page-aligned storage of the specified size, which must be
-+ * a multiple of the page size as determined by calling sysconf(_SC_PAGESIZE)
-+ */
-+#ifdef __linux__
-+static void *
-+grub_mmap_alloc(size_t len)
-+{
-+ int mmap_flags = MAP_ANONYMOUS|MAP_PRIVATE|MAP_EXECUTABLE;
-+
-+#ifdef MAP_32BIT
-+ mmap_flags |= MAP_32BIT;
-+#endif
-+ /* Mark the simulated stack executable, as GCC uses stack trampolines
-+ * to implement nested functions. */
-+ return mmap(NULL, len, PROT_READ|PROT_WRITE|PROT_EXEC, mmap_flags, -1, 0);
-+}
-+#else /* !defined(__linux__) */
-+static void *
-+grub_mmap_alloc(size_t len)
-+{
-+ int fd = 0, offset = 0, ret = 0;
-+ void *pa = MAP_FAILED;
-+ char template[] = "/tmp/grub_mmap_alloc_XXXXXX";
-+ errno_t e;
-+
-+ fd = mkstemp(template);
-+ if (fd < 0)
-+ return pa;
-+
-+ unlink(template);
-+
-+ ret = ftruncate(fd, len);
-+ if (ret < 0)
-+ return pa;
-+
-+ /* Mark the simulated stack executable, as GCC uses stack trampolines
-+ * to implement nested functions. */
-+ pa = mmap(NULL, len, PROT_READ|PROT_WRITE|PROT_EXEC,
-+ MAP_PRIVATE|MAP_EXECUTABLE, fd, offset);
-+
-+ e = errno;
-+ close(fd);
-+ errno = e;
-+ return pa;
-+}
-+#endif /* defined(__linux__) */
-+
- /* The main entry point into this mess. */
- int
- grub_stage2 (void)
- {
- /* These need to be static, because they survive our stack transitions. */
- static int status = 0;
-- static char *realstack;
-- char *scratch, *simstack;
-+ static void *realstack;
-+ void *simstack_alloc_base, *simstack;
-+ size_t simstack_size, page_size;
- int i;
-
- auto void doit (void);
-@@ -120,8 +183,13 @@ grub_stage2 (void)
- void doit (void)
- {
- /* Make sure our stack lives in the simulated memory area. */
-+#ifdef __x86_64
-+ asm volatile ("movq %%rsp, %0\n\tmovq %1, %%rsp\n"
-+ : "=&r" (realstack) : "r" (simstack));
-+#else
- asm volatile ("movl %%esp, %0\n\tmovl %1, %%esp\n"
- : "=&r" (realstack) : "r" (simstack));
-+#endif
-
- /* Do a setjmp here for the stop command. */
- if (! setjmp (env_for_exit))
-@@ -138,13 +206,43 @@ grub_stage2 (void)
- }
-
- /* Replace our stack before we use any local variables. */
-+#ifdef __x86_64
-+ asm volatile ("movq %0, %%rsp\n" : : "r" (realstack));
-+#else
- asm volatile ("movl %0, %%esp\n" : : "r" (realstack));
-+#endif
- }
-
- assert (grub_scratch_mem == 0);
-- scratch = malloc (0x100000 + EXTENDED_MEMSIZE + 15);
-- assert (scratch);
-- grub_scratch_mem = (char *) ((((int) scratch) >> 4) << 4);
-+
-+ /* Allocate enough pages for 0x100000 + EXTENDED_SIZE + 15, and
-+ * make sure the memory is aligned to a multiple of the system's
-+ * page size */
-+ page_size = sysconf (_SC_PAGESIZE);
-+ simstack_size = ( 0x100000 + EXTENDED_MEMSIZE + 15);
-+ if (simstack_size % page_size)
-+ {
-+ /* If we're not on a page_size boundary, round up to the next one */
-+ simstack_size &= ~(page_size-1);
-+ simstack_size += page_size;
-+ }
-+
-+ /* Add one for a PROT_NONE boundary page at each end. */
-+ simstack_size += 2 * page_size;
-+
-+ simstack_alloc_base = grub_mmap_alloc(simstack_size);
-+ assert (simstack_alloc_base != MAP_FAILED);
-+
-+ /* mark pages above and below our simstack area as innaccessable.
-+ * If the implementation we're using doesn't support that, then the
-+ * new protection modes are undefined. It's safe to just ignore
-+ * them, though. It'd be nice if we knew that we'd get a SEGV for
-+ * touching the area, but that's all. it'd be nice to have. */
-+ mprotect (simstack_alloc_base, page_size, PROT_NONE);
-+ mprotect ((void *)((unsigned long)simstack_alloc_base +
-+ simstack_size - page_size), page_size, PROT_NONE);
-+
-+ grub_scratch_mem = (void *)((unsigned long)simstack_alloc_base + page_size);
-
- /* FIXME: simulate the memory holes using mprot, if available. */
-
-@@ -217,7 +315,7 @@ grub_stage2 (void)
- device_map = 0;
- free (disks);
- disks = 0;
-- free (scratch);
-+ munmap(simstack_alloc_base, simstack_size);
- grub_scratch_mem = 0;
-
- if (serial_device)
-@@ -699,6 +797,13 @@ console_getkey (void)
- return console_translate_key (c);
- }
-
-+/* returns modifier status */
-+int
-+console_keystatus (void)
-+{
-+ return 0;
-+}
-+
- /* returns packed values, LSB+1 is x, LSB is y */
- int
- console_getxy (void)
-@@ -766,7 +871,7 @@ get_diskinfo (int drive, struct geometry *geometry)
- {
- /* The unpartitioned device name: /dev/XdX */
- char *devname = device_map[drive];
-- char buf[512];
-+ char * buf, * buf_unaligned;
-
- if (! devname)
- return -1;
-@@ -777,13 +882,13 @@ get_diskinfo (int drive, struct geometry *geometry)
-
- /* Open read/write, or read-only if that failed. */
- if (! read_only)
-- disks[drive].flags = open (devname, O_RDWR);
-+ disks[drive].flags = open (devname, O_RDWR | O_DIRECT);
-
- if (disks[drive].flags == -1)
- {
- if (read_only || errno == EACCES || errno == EROFS || errno == EPERM)
- {
-- disks[drive].flags = open (devname, O_RDONLY);
-+ disks[drive].flags = open (devname, O_RDONLY | O_DIRECT);
- if (disks[drive].flags == -1)
- {
- assign_device_name (drive, 0);
-@@ -797,6 +902,10 @@ get_diskinfo (int drive, struct geometry *geometry)
- }
- }
-
-+ buf_unaligned = malloc((512 * sizeof(char)) + 4095);
-+ buf = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
-+ (~(4096-1)));
-+
- /* Attempt to read the first sector. */
- if (read (disks[drive].flags, buf, 512) != 512)
- {
-@@ -808,6 +917,7 @@ get_diskinfo (int drive, struct geometry *geometry)
-
- if (disks[drive].flags != -1)
- get_drive_geometry (&disks[drive], device_map, drive);
-+ free(buf_unaligned);
- }
-
- if (disks[drive].flags == -1)
-@@ -829,24 +939,34 @@ static int
- nread (int fd, char *buf, size_t len)
- {
- int size = len;
-+ char * buf_unaligned, * buff, * obuff;
-+ int ret;
-+
-+ buf_unaligned = malloc((len * sizeof(char)) + 4095);
-+ obuff = buff = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
-+ (~(4096-1)));
-+
-
- while (len)
- {
-- int ret = read (fd, buf, len);
-+ ret = read (fd, buff, len);
-
- if (ret <= 0)
- {
- if (errno == EINTR)
- continue;
- else
-- return ret;
-+ break;
- }
-
- len -= ret;
-- buf += ret;
-+ buff += ret;
- }
-
-- return size;
-+ if (!len) ret = size;
-+
-+ buf = memcpy(buf, obuff, size);
-+ return ret;
- }
-
- /* Write LEN bytes from BUF to FD. Return less than or equal to zero if an
-@@ -855,10 +975,18 @@ static int
- nwrite (int fd, char *buf, size_t len)
- {
- int size = len;
-+ char * buf_unaligned, * buff;
-+
-+ buf_unaligned = malloc((len * sizeof(char)) + 4095);
-+ buff = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
-+ (~(4096-1)));
-
- while (len)
- {
-- int ret = write (fd, buf, len);
-+ int ret;
-+
-+ memcpy(buff, buf, len);
-+ ret = write (fd, buff, len);
-
- if (ret <= 0)
- {
-@@ -946,20 +1074,20 @@ biosdisk (int subfunc, int drive, struct geometry *geometry,
- _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
- loff_t *, res, uint, wh);
-
-- offset = (loff_t) sector * (loff_t) SECTOR_SIZE;
-+ offset = (loff_t) sector * (loff_t) get_sector_size(drive);
- if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET))
- return -1;
- }
- #else
- {
-- off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
-+ off_t offset = (off_t) sector * (off_t) get_sector_size(drive);
-
- if (lseek (fd, offset, SEEK_SET) != offset)
- return -1;
- }
- #endif
-
-- buf = (char *) (segment << 4);
-+ buf = (char *) (unsigned long) (segment << 4);
-
- switch (subfunc)
- {
-@@ -971,13 +1099,13 @@ biosdisk (int subfunc, int drive, struct geometry *geometry,
- sectors that are read together with the MBR in one read. It
- should only remap the MBR, so we split the read in two
- parts. -jochen */
-- if (nread (fd, buf, SECTOR_SIZE) != SECTOR_SIZE)
-+ if (nread (fd, buf, get_sector_size(drive)) != get_sector_size(drive))
- return -1;
-- buf += SECTOR_SIZE;
-+ buf += get_sector_size(drive);
- nsec--;
- }
- #endif
-- if (nread (fd, buf, nsec * SECTOR_SIZE) != nsec * SECTOR_SIZE)
-+ if (nread (fd, buf, nsec * get_sector_size(drive)) != nsec * get_sector_size(drive))
- return -1;
- break;
-
-@@ -987,10 +1115,10 @@ biosdisk (int subfunc, int drive, struct geometry *geometry,
- grub_printf ("Write %d sectors starting from %d sector"
- " to drive 0x%x (%s)\n",
- nsec, sector, drive, device_map[drive]);
-- hex_dump (buf, nsec * SECTOR_SIZE);
-+ hex_dump (buf, nsec * get_sector_size(drive));
- }
- if (! read_only)
-- if (nwrite (fd, buf, nsec * SECTOR_SIZE) != nsec * SECTOR_SIZE)
-+ if (nwrite (fd, buf, nsec * get_sector_size(drive)) != nsec * get_sector_size(drive))
- return -1;
- break;
-
-@@ -1273,3 +1401,21 @@ hercules_setcursor (int on)
- {
- return 1;
- }
-+
-+int
-+grub_load_linux (char *kernel, char *arg)
-+{
-+ return 0;
-+}
-+
-+int
-+grub_load_initrd (char *initrd)
-+{
-+ return 0;
-+}
-+
-+int
-+grub_chainloader (char *filename)
-+{
-+ return 0;
-+}
-diff --git a/grub/efitftp.c b/grub/efitftp.c
-new file mode 100644
-index 0000000..5355dec
---- /dev/null
-+++ b/grub/efitftp.c
-@@ -0,0 +1,34 @@
-+#include <shared.h>
-+#include <filesys.h>
-+
-+int efi_tftp_mount (void);
-+int efi_tftp_read (char *buf, int len);
-+int efi_tftp_dir (char *dirname);
-+void efi_tftp_close (void);
-+
-+int
-+efi_tftp_mount (void)
-+{
-+ grub_printf("non-efi efi_tftp_mount()\n");
-+ return 0;
-+}
-+
-+int
-+efi_tftp_read (char *addr, int size)
-+{
-+ grub_printf ("non-efi efi_tftp_read (0x%x, %d)\n", (long) addr, size);
-+ return 0;
-+}
-+
-+int
-+efi_tftp_dir (char *dirname)
-+{
-+ grub_printf ("non-efi efi_ftp_dir (%s)\n", dirname);
-+ return 0;
-+}
-+
-+void
-+efi_tftp_close (void)
-+{
-+ grub_printf ("non-efi efi_tftp_close ()\n");
-+}
-diff --git a/grub/main.c b/grub/main.c
-index dfe847e..6083641 100644
---- a/grub/main.c
-+++ b/grub/main.c
-@@ -140,7 +140,7 @@ main (int argc, char **argv)
- program_name = argv[0];
- default_boot_drive = boot_drive;
- default_install_partition = install_partition;
-- if (config_file)
-+ if (config_file[0])
- default_config_file = config_file;
- else
- default_config_file = "NONE";
-diff --git a/lib/.gitignore b/lib/.gitignore
-new file mode 100644
-index 0000000..5d89f6d
---- /dev/null
-+++ b/lib/.gitignore
-@@ -0,0 +1,2 @@
-+Makefile.in
-+.deps
-diff --git a/lib/Makefile.in b/lib/Makefile.in
-deleted file mode 100644
-index 3dae206..0000000
---- a/lib/Makefile.in
-+++ /dev/null
-@@ -1,416 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--SOURCES = $(libcommon_a_SOURCES)
--
--srcdir = @srcdir@
--top_srcdir = @top_srcdir@
--VPATH = @srcdir@
--pkgdatadir = $(datadir)/@PACKAGE@
--pkglibdir = $(libdir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
--INSTALL = @INSTALL@
--install_sh_DATA = $(install_sh) -c -m 644
--install_sh_PROGRAM = $(install_sh) -c
--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
--transform = $(program_transform_name)
--NORMAL_INSTALL = :
--PRE_INSTALL = :
--POST_INSTALL = :
--NORMAL_UNINSTALL = :
--PRE_UNINSTALL = :
--POST_UNINSTALL = :
--build_triplet = @build@
--host_triplet = @host@
--subdir = lib
--DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
--ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
--am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
-- $(top_srcdir)/configure.ac
--am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-- $(ACLOCAL_M4)
--mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
--CONFIG_HEADER = $(top_builddir)/config.h
--CONFIG_CLEAN_FILES =
--LIBRARIES = $(noinst_LIBRARIES)
--AR = ar
--ARFLAGS = cru
--libcommon_a_AR = $(AR) $(ARFLAGS)
--libcommon_a_LIBADD =
--am_libcommon_a_OBJECTS = getopt.$(OBJEXT) getopt1.$(OBJEXT) \
-- device.$(OBJEXT)
--libcommon_a_OBJECTS = $(am_libcommon_a_OBJECTS)
--DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
--depcomp = $(SHELL) $(top_srcdir)/depcomp
--am__depfiles_maybe = depfiles
--COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
--CCLD = $(CC)
--LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
--SOURCES = $(libcommon_a_SOURCES)
--DIST_SOURCES = $(libcommon_a_SOURCES)
--ETAGS = etags
--CTAGS = ctags
--DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
--ACLOCAL = @ACLOCAL@
--AMDEP_FALSE = @AMDEP_FALSE@
--AMDEP_TRUE = @AMDEP_TRUE@
--AMTAR = @AMTAR@
--AUTOCONF = @AUTOCONF@
--AUTOHEADER = @AUTOHEADER@
--AUTOMAKE = @AUTOMAKE@
--AWK = @AWK@
--BUILD_EXAMPLE_KERNEL_FALSE = @BUILD_EXAMPLE_KERNEL_FALSE@
--BUILD_EXAMPLE_KERNEL_TRUE = @BUILD_EXAMPLE_KERNEL_TRUE@
--CC = @CC@
--CCAS = @CCAS@
--CCASFLAGS = @CCASFLAGS@
--CCDEPMODE = @CCDEPMODE@
--CFLAGS = @CFLAGS@
--CPP = @CPP@
--CPPFLAGS = @CPPFLAGS@
--CYGPATH_W = @CYGPATH_W@
--DEFS = @DEFS@
--DEPDIR = @DEPDIR@
--DISKLESS_SUPPORT_FALSE = @DISKLESS_SUPPORT_FALSE@
--DISKLESS_SUPPORT_TRUE = @DISKLESS_SUPPORT_TRUE@
--ECHO_C = @ECHO_C@
--ECHO_N = @ECHO_N@
--ECHO_T = @ECHO_T@
--EGREP = @EGREP@
--EXEEXT = @EXEEXT@
--FSYS_CFLAGS = @FSYS_CFLAGS@
--GRUB_CFLAGS = @GRUB_CFLAGS@
--GRUB_LIBS = @GRUB_LIBS@
--HERCULES_SUPPORT_FALSE = @HERCULES_SUPPORT_FALSE@
--HERCULES_SUPPORT_TRUE = @HERCULES_SUPPORT_TRUE@
--INSTALL_DATA = @INSTALL_DATA@
--INSTALL_PROGRAM = @INSTALL_PROGRAM@
--INSTALL_SCRIPT = @INSTALL_SCRIPT@
--INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
--LDFLAGS = @LDFLAGS@
--LIBOBJS = @LIBOBJS@
--LIBS = @LIBS@
--LTLIBOBJS = @LTLIBOBJS@
--MAINT = @MAINT@
--MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
--MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
--MAKEINFO = @MAKEINFO@
--NETBOOT_DRIVERS = @NETBOOT_DRIVERS@
--NETBOOT_SUPPORT_FALSE = @NETBOOT_SUPPORT_FALSE@
--NETBOOT_SUPPORT_TRUE = @NETBOOT_SUPPORT_TRUE@
--NET_CFLAGS = @NET_CFLAGS@
--NET_EXTRAFLAGS = @NET_EXTRAFLAGS@
--OBJCOPY = @OBJCOPY@
--OBJEXT = @OBJEXT@
--PACKAGE = @PACKAGE@
--PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
--PACKAGE_NAME = @PACKAGE_NAME@
--PACKAGE_STRING = @PACKAGE_STRING@
--PACKAGE_TARNAME = @PACKAGE_TARNAME@
--PACKAGE_VERSION = @PACKAGE_VERSION@
--PATH_SEPARATOR = @PATH_SEPARATOR@
--PERL = @PERL@
--RANLIB = @RANLIB@
--SERIAL_SPEED_SIMULATION_FALSE = @SERIAL_SPEED_SIMULATION_FALSE@
--SERIAL_SPEED_SIMULATION_TRUE = @SERIAL_SPEED_SIMULATION_TRUE@
--SERIAL_SUPPORT_FALSE = @SERIAL_SUPPORT_FALSE@
--SERIAL_SUPPORT_TRUE = @SERIAL_SUPPORT_TRUE@
--SET_MAKE = @SET_MAKE@
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-- mkid -fID $$unique
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--
--TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
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--# Tell versions [3.59,3.63) of GNU make to not export all variables.
--# Otherwise a system limit (for SysV at least) may be exceeded.
--.NOEXPORT:
-diff --git a/lib/device.c b/lib/device.c
-index d0663b3..50540bc 100644
---- a/lib/device.c
-+++ b/lib/device.c
-@@ -36,6 +36,9 @@
- #include <limits.h>
- #include <stdarg.h>
-
-+#define SECTOR_SIZE 0x200
-+#define SECTOR_BITS 9
-+
- #ifdef __linux__
- # if !defined(__GLIBC__) || \
- ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1)))
-@@ -131,6 +134,152 @@ get_kfreebsd_version ()
- #include <shared.h>
- #include <device.h>
-
-+#if defined(__linux__)
-+/* The 2.6 kernel has removed all of the geometry handling for IDE drives
-+ * that did fixups for LBA, etc. This means that the geometry we get
-+ * with the ioctl has a good chance of being wrong. So, we get to
-+ * also know about partition tables and try to read what the geometry
-+ * is there. *grumble* Very closely based on code from cfdisk
-+ */
-+static void get_kernel_geometry(int fd, long long *cyl, int *heads, int *sectors) {
-+ struct hd_geometry hdg;
-+
-+ if (ioctl (fd, HDIO_GETGEO, &hdg))
-+ return;
-+
-+ *cyl = hdg.cylinders;
-+ *heads = hdg.heads;
-+ *sectors = hdg.sectors;
-+}
-+
-+struct partition {
-+ unsigned char boot_ind; /* 0x80 - active */
-+ unsigned char head; /* starting head */
-+ unsigned char sector; /* starting sector */
-+ unsigned char cyl; /* starting cylinder */
-+ unsigned char sys_ind; /* What partition type */
-+ unsigned char end_head; /* end head */
-+ unsigned char end_sector; /* end sector */
-+ unsigned char end_cyl; /* end cylinder */
-+ unsigned char start4[4]; /* starting sector counting from 0 */
-+ unsigned char size4[4]; /* nr of sectors in partition */
-+};
-+
-+#define ALIGNMENT 2
-+typedef union {
-+ struct {
-+ unsigned char align[ALIGNMENT];
-+ unsigned char b[SECTOR_SIZE];
-+ } c;
-+ struct {
-+ unsigned char align[ALIGNMENT];
-+ unsigned char buffer[0x1BE];
-+ struct partition part[4];
-+ unsigned char magicflag[2];
-+ } p;
-+} partition_table;
-+
-+#define PART_TABLE_FLAG0 0x55
-+#define PART_TABLE_FLAG1 0xAA
-+
-+static void
-+get_partition_table_geometry(partition_table *bufp, long long *cyl, int *heads,
-+ int *sectors) {
-+ struct partition *p;
-+ int i,h,s,hh,ss;
-+ int first = 1;
-+ int bad = 0;
-+
-+ if (bufp->p.magicflag[0] != PART_TABLE_FLAG0 ||
-+ bufp->p.magicflag[1] != PART_TABLE_FLAG1) {
-+ /* Matthew Wilcox: slightly friendlier version of
-+ fatal(_("Bad signature on partition table"), 3);
-+ */
-+ fprintf(stderr, "Unknown partition table signature\n");
-+ return;
-+ }
-+
-+ hh = ss = 0;
-+ for (i=0; i<4; i++) {
-+ p = &(bufp->p.part[i]);
-+ if (p->sys_ind != 0) {
-+ h = p->end_head + 1;
-+ s = (p->end_sector & 077);
-+ if (first) {
-+ hh = h;
-+ ss = s;
-+ first = 0;
-+ } else if (hh != h || ss != s)
-+ bad = 1;
-+ }
-+ }
-+
-+ if (!first && !bad) {
-+ *heads = hh;
-+ *sectors = ss;
-+ }
-+}
-+
-+static long long my_lseek (unsigned int fd, long long offset,
-+ unsigned int origin)
-+{
-+#if defined(__linux__) && (!defined(__GLIBC__) || \
-+ ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
-+ /* Maybe libc doesn't have large file support. */
-+ loff_t offset, result;
-+ static int _llseek (uint filedes, ulong hi, ulong lo,
-+ loff_t *res, uint wh);
-+ _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
-+ loff_t *, res, uint, wh);
-+
-+ if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET) < 0)
-+ return (long long) -1;
-+ return result;
-+#else
-+ return lseek(fd, offset, SEEK_SET);
-+#endif
-+}
-+
-+static void get_linux_geometry (int fd, struct geometry *geom) {
-+ long long kern_cyl = 0; int kern_head = 0, kern_sectors = 0;
-+ long long pt_cyl = 0; int pt_head = 0, pt_sectors = 0;
-+ partition_table bufp;
-+ char *buff, *buf_unaligned;
-+
-+ buf_unaligned = malloc(sizeof(partition_table) + 4095);
-+ buff = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
-+ (~(4096-1)));
-+
-+ get_kernel_geometry(fd, &kern_cyl, &kern_head, &kern_sectors);
-+
-+ if (my_lseek (fd, 0*SECTOR_SIZE, SEEK_SET) < 0) {
-+ fprintf(stderr, "Unable to seek");
-+ }
-+
-+ if (read(fd, buff, SECTOR_SIZE) == SECTOR_SIZE) {
-+ memcpy(bufp.c.b, buff, SECTOR_SIZE);
-+ get_partition_table_geometry(&bufp, &pt_cyl, &pt_head, &pt_sectors);
-+ } else {
-+ fprintf(stderr, "Unable to read partition table: %s\n", strerror(errno));
-+ }
-+
-+ if (pt_head && pt_sectors) {
-+ int cyl_size;
-+
-+ geom->heads = pt_head;
-+ geom->sectors = pt_sectors;
-+ cyl_size = pt_head * pt_sectors;
-+ geom->cylinders = geom->total_sectors/cyl_size;
-+ } else {
-+ geom->heads = kern_head;
-+ geom->sectors = kern_sectors;
-+ geom->cylinders = kern_cyl;
-+ }
-+
-+ return;
-+}
-+#endif
-+
- /* Get the geometry of a drive DRIVE. */
- void
- get_drive_geometry (struct geometry *geom, char **map, int drive)
-@@ -151,21 +300,16 @@ get_drive_geometry (struct geometry *geom, char **map, int drive)
- #if defined(__linux__)
- /* Linux */
- {
-- struct hd_geometry hdg;
- unsigned long nr;
--
-- if (ioctl (fd, HDIO_GETGEO, &hdg))
-- goto fail;
-
- if (ioctl (fd, BLKGETSIZE, &nr))
- goto fail;
-
- /* Got the geometry, so save it. */
-- geom->cylinders = hdg.cylinders;
-- geom->heads = hdg.heads;
-- geom->sectors = hdg.sectors;
- geom->total_sectors = nr;
--
-+ get_linux_geometry(fd, geom);
-+ if (!geom->heads && !geom->cylinders && !geom->sectors)
-+ goto fail;
- goto success;
- }
-
-@@ -403,10 +547,27 @@ get_dac960_disk_name (char *name, int controller, int drive)
- }
-
- static void
-+get_cciss_disk_name (char * name, int controller, int drive)
-+{
-+ sprintf (name, "/dev/cciss/c%dd%d", controller, drive);
-+}
-+
-+static void
-+get_cpqarray_disk_name (char * name, int controller, int drive)
-+{
-+ sprintf (name, "/dev/ida/c%dd%d", controller, drive);
-+}
-+static void
- get_ataraid_disk_name (char *name, int unit)
- {
- sprintf (name, "/dev/ataraid/d%c", unit + '0');
- }
-+
-+static void
-+get_i2o_disk_name (char *name, int unit)
-+{
-+ sprintf (name, "/dev/i2o/hd%c", unit + 'a');
-+}
- #endif
-
- /* Check if DEVICE can be read. If an error occurs, return zero,
-@@ -490,27 +651,24 @@ check_device (const char *device)
- }
-
- /* Read mapping information from FP, and write it to MAP. */
-+static void rdm_show_error (const char *map_file, int no, const char *msg)
-+{
-+ fprintf (stderr, "%s:%d: error: %s\n", map_file, no, msg);
-+}
-+
-+static void rdm_show_warning (const char *map_file,int no, const char *msg, ...)
-+{
-+ va_list ap;
-+
-+ va_start (ap, msg);
-+ fprintf (stderr, "%s:%d: warning: ", map_file, no);
-+ vfprintf (stderr, msg, ap);
-+ va_end (ap);
-+}
-+
- static int
- read_device_map (FILE *fp, char **map, const char *map_file)
- {
-- auto void show_error (int no, const char *msg);
-- auto void show_warning (int no, const char *msg, ...);
--
-- auto void show_error (int no, const char *msg)
-- {
-- fprintf (stderr, "%s:%d: error: %s\n", map_file, no, msg);
-- }
--
-- auto void show_warning (int no, const char *msg, ...)
-- {
-- va_list ap;
--
-- va_start (ap, msg);
-- fprintf (stderr, "%s:%d: warning: ", map_file, no);
-- vfprintf (stderr, msg, ap);
-- va_end (ap);
-- }
--
- /* If there is the device map file, use the data in it instead of
- probing devices. */
- char buf[1024]; /* XXX */
-@@ -540,14 +698,14 @@ read_device_map (FILE *fp, char **map, const char *map_file)
-
- if (*ptr != '(')
- {
-- show_error (line_number, "No open parenthesis found");
-+ rdm_show_error (map_file, line_number, "No open parenthesis found");
- return 0;
- }
-
- ptr++;
- if ((*ptr != 'f' && *ptr != 'h') || *(ptr + 1) != 'd')
- {
-- show_error (line_number, "Bad drive name");
-+ rdm_show_error (map_file, line_number, "Bad drive name");
- return 0;
- }
-
-@@ -558,12 +716,12 @@ read_device_map (FILE *fp, char **map, const char *map_file)
- drive = strtoul (ptr, &ptr, 10);
- if (drive < 0)
- {
-- show_error (line_number, "Bad device number");
-+ rdm_show_error (map_file, line_number, "Bad device number");
- return 0;
- }
- else if (drive > 127)
- {
-- show_warning (line_number,
-+ rdm_show_warning (map_file, line_number,
- "Ignoring %cd%d due to a BIOS limitation",
- is_floppy ? 'f' : 'h', drive);
- continue;
-@@ -574,7 +732,7 @@ read_device_map (FILE *fp, char **map, const char *map_file)
-
- if (*ptr != ')')
- {
-- show_error (line_number, "No close parenthesis found");
-+ rdm_show_error (map_file, line_number, "No close parenthesis found");
- return 0;
- }
-
-@@ -585,7 +743,7 @@ read_device_map (FILE *fp, char **map, const char *map_file)
-
- if (! *ptr)
- {
-- show_error (line_number, "No filename found");
-+ rdm_show_error (map_file, line_number, "No filename found");
- return 0;
- }
-
-@@ -598,7 +756,7 @@ read_device_map (FILE *fp, char **map, const char *map_file)
- /* Multiple entries for a given drive is not allowed. */
- if (map[drive])
- {
-- show_error (line_number, "Duplicated entry found");
-+ rdm_show_error (map_file, line_number, "Duplicated entry found");
- return 0;
- }
-
-@@ -782,7 +940,7 @@ init_device_map (char ***map, const char *map_file, int floppy_disks)
-
- for (controller = 0; controller < 8; controller++)
- {
-- for (drive = 0; drive < 15; drive++)
-+ for (drive = 0; drive < 32; drive++)
- {
- char name[24];
-
-@@ -801,6 +959,90 @@ init_device_map (char ***map, const char *map_file, int floppy_disks)
- }
- }
- }
-+
-+ /* I2O disks. */
-+ for (i = 0; i < 8; i++)
-+ {
-+ char name[16];
-+
-+ get_i2o_disk_name (name, i);
-+ if (check_device (name))
-+ {
-+ (*map)[num_hd + 0x80] = strdup (name);
-+ assert ((*map)[num_hd + 0x80]);
-+
-+ /* If the device map file is opened, write the map. */
-+ if (fp)
-+ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
-+
-+ num_hd++;
-+ }
-+ }
-+
-+#endif /* __linux__ */
-+
-+#ifdef __linux__
-+ /* This is for cciss - we have
-+ /dev/cciss/c<controller>d<logical drive>p<partition>.
-+
-+ cciss driver currently supports up to 8 controllers, 16 logical
-+ drives, and 7 partitions. */
-+ {
-+ int controller, drive;
-+
-+ for (controller = 0; controller < 8; controller++)
-+ {
-+ for (drive = 0; drive < 16; drive++)
-+ {
-+ char name[24];
-+
-+ get_cciss_disk_name (name, controller, drive);
-+ if (check_device (name))
-+ {
-+ (*map)[num_hd + 0x80] = strdup (name);
-+ assert ((*map)[num_hd + 0x80]);
-+
-+ /* If the device map file is opened, write the map. */
-+ if (fp)
-+ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
-+
-+ num_hd++;
-+ }
-+ }
-+ }
-+ }
-+#endif /* __linux__ */
-+
-+#ifdef __linux__
-+ /* This is for cpqarray - we have
-+ /dev/ida/c<controller>d<logical drive>p<partition>.
-+
-+ cpqarray driver currently supports up to 8 controllers, 16 logical
-+ drives, and 15 partitions. */
-+ {
-+ int controller, drive;
-+
-+ for (controller = 0; controller < 8; controller++)
-+ {
-+ for (drive = 0; drive < 15; drive++)
-+ {
-+ char name[24];
-+
-+ get_cpqarray_disk_name (name, controller, drive);
-+ if (check_device (name))
-+ {
-+ (*map)[num_hd + 0x80] = strdup (name);
-+ assert ((*map)[num_hd + 0x80]);
-+
-+ /* If the device map file is opened, write the map. */
-+ if (fp)
-+ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
-+
-+ num_hd++;
-+ }
-+ }
-+ }
-+ }
- #endif /* __linux__ */
-
- /* OK, close the device map file if opened. */
-@@ -844,6 +1086,7 @@ write_to_partition (char **map, int drive, int partition,
- {
- char dev[PATH_MAX]; /* XXX */
- int fd;
-+ off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
-
- if ((partition & 0x00FF00) != 0x00FF00)
- {
-@@ -861,44 +1104,35 @@ write_to_partition (char **map, int drive, int partition,
- if (strcmp (dev + strlen(dev) - 5, "/disc") == 0)
- strcpy (dev + strlen(dev) - 5, "/part");
- }
-- sprintf (dev + strlen(dev), "%d", ((partition >> 16) & 0xFF) + 1);
-+
-+ sprintf (dev + strlen(dev), "%s%d",
-+ /* Compaq smart and others */
-+ (strncmp(dev, "/dev/ida/", 9) == 0 ||
-+ strncmp(dev, "/dev/ataraid/", 13) == 0 ||
-+ strncmp(dev, "/dev/mapper/", 12) == 0 ||
-+ strncmp(dev, "/dev/md", 7) == 0 ||
-+ strncmp(dev, "/dev/cciss/", 11) == 0 ||
-+ strncmp(dev, "/dev/rd/", 8) == 0) ? "p" : "",
-+ ((partition >> 16) & 0xFF) + 1);
-
- /* Open the partition. */
- fd = open (dev, O_RDWR);
- if (fd < 0)
- {
-+ /* No partition file, pass thru and not worry about
-+ * cache inconsistency. */
-+ if (errno == ENOENT)
-+ return -1;
- errnum = ERR_NO_PART;
- return 0;
- }
--
--#if defined(__linux__) && (!defined(__GLIBC__) || \
-- ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
-- /* Maybe libc doesn't have large file support. */
-- {
-- loff_t offset, result;
-- static int _llseek (uint filedes, ulong hi, ulong lo,
-- loff_t *res, uint wh);
-- _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
-- loff_t *, res, uint, wh);
--
-- offset = (loff_t) sector * (loff_t) SECTOR_SIZE;
-- if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET))
-- {
-- errnum = ERR_DEV_VALUES;
-- return 0;
-- }
-- }
--#else
-- {
-- off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
-
-- if (lseek (fd, offset, SEEK_SET) != offset)
-- {
-- errnum = ERR_DEV_VALUES;
-- return 0;
-- }
-- }
--#endif
-+
-+ if (my_lseek(fd, offset, SEEK_SET) != offset)
-+ {
-+ errnum = ERR_DEV_VALUES;
-+ return 0;
-+ }
-
- if (write (fd, buf, size * SECTOR_SIZE) != (size * SECTOR_SIZE))
- {
-diff --git a/makediff b/makediff
-new file mode 100755
-index 0000000..a82b448
---- /dev/null
-+++ b/makediff
-@@ -0,0 +1,21 @@
-+#!/bin/bash
-+(
-+cat << EOF
-+From: Peter Jones <pjones(a)redhat.com>"
-+Date: $(date)
-+Subject: [PATCH] Changes from grub-0.97 to master
-+
-+This patch is a bundle of the changes between grub-0.97 and master.
-+It can be reginerated from the git repository at:
-+
-+git://github.com/vathpela/grub-fedora.git
-+
-+Using the command:
-+
-+git diff grub-0.97 master
-+
-+EOF
-+git diff grub-0.97 master | diffstat -p1
-+echo
-+git diff grub-0.97 master
-+) | cat
-diff --git a/netboot/.gitignore b/netboot/.gitignore
-new file mode 100644
-index 0000000..5d89f6d
---- /dev/null
-+++ b/netboot/.gitignore
-@@ -0,0 +1,2 @@
-+Makefile.in
-+.deps
-diff --git a/netboot/Makefile.in b/netboot/Makefile.in
-deleted file mode 100644
-index 75ac299..0000000
---- a/netboot/Makefile.in
-+++ /dev/null
-@@ -1,1091 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--SOURCES = $(libdrivers_a_SOURCES) $(EXTRA_libdrivers_a_SOURCES)
--
--srcdir = @srcdir@
--top_srcdir = @top_srcdir@
--VPATH = @srcdir@
--pkgdatadir = $(datadir)/@PACKAGE@
--pkglibdir = $(libdir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
--INSTALL = @INSTALL@
--install_sh_DATA = $(install_sh) -c -m 644
--install_sh_PROGRAM = $(install_sh) -c
--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
--transform = $(program_transform_name)
--NORMAL_INSTALL = :
--PRE_INSTALL = :
--POST_INSTALL = :
--NORMAL_UNINSTALL = :
--PRE_UNINSTALL = :
--POST_UNINSTALL = :
--build_triplet = @build@
--host_triplet = @host@
--subdir = netboot
--DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
--ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
--am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
-- $(top_srcdir)/configure.ac
--am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-- $(ACLOCAL_M4)
--mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
--CONFIG_HEADER = $(top_builddir)/config.h
--CONFIG_CLEAN_FILES =
--LIBRARIES = $(noinst_LIBRARIES)
--AR = ar
--ARFLAGS = cru
--libdrivers_a_AR = $(AR) $(ARFLAGS)
--am_libdrivers_a_OBJECTS = libdrivers_a-config.$(OBJEXT) \
-- libdrivers_a-fsys_tftp.$(OBJEXT) libdrivers_a-main.$(OBJEXT) \
-- libdrivers_a-misc.$(OBJEXT) libdrivers_a-pci.$(OBJEXT) \
-- libdrivers_a-timer.$(OBJEXT)
--libdrivers_a_OBJECTS = $(am_libdrivers_a_OBJECTS)
--DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
--depcomp = $(SHELL) $(top_srcdir)/depcomp
--am__depfiles_maybe = depfiles
--COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
--CCLD = $(CC)
--LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
--SOURCES = $(libdrivers_a_SOURCES) $(EXTRA_libdrivers_a_SOURCES)
--DIST_SOURCES = $(libdrivers_a_SOURCES) $(EXTRA_libdrivers_a_SOURCES)
--ETAGS = etags
--CTAGS = ctags
--DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
--ACLOCAL = @ACLOCAL@
--AMDEP_FALSE = @AMDEP_FALSE@
--AMDEP_TRUE = @AMDEP_TRUE@
--AMTAR = @AMTAR@
--AUTOCONF = @AUTOCONF@
--AUTOHEADER = @AUTOHEADER@
--AUTOMAKE = @AUTOMAKE@
--AWK = @AWK@
--BUILD_EXAMPLE_KERNEL_FALSE = @BUILD_EXAMPLE_KERNEL_FALSE@
--BUILD_EXAMPLE_KERNEL_TRUE = @BUILD_EXAMPLE_KERNEL_TRUE@
--CC = @CC@
--CCAS = @CCAS@
--CCASFLAGS = @CCASFLAGS@
--CCDEPMODE = @CCDEPMODE@
--CFLAGS = @CFLAGS@
--CPP = @CPP@
--CPPFLAGS = @CPPFLAGS@
--CYGPATH_W = @CYGPATH_W@
--DEFS = @DEFS@
--DEPDIR = @DEPDIR@
--DISKLESS_SUPPORT_FALSE = @DISKLESS_SUPPORT_FALSE@
--DISKLESS_SUPPORT_TRUE = @DISKLESS_SUPPORT_TRUE@
--ECHO_C = @ECHO_C@
--ECHO_N = @ECHO_N@
--ECHO_T = @ECHO_T@
--EGREP = @EGREP@
--EXEEXT = @EXEEXT@
--FSYS_CFLAGS = @FSYS_CFLAGS@
--GRUB_CFLAGS = @GRUB_CFLAGS@
--GRUB_LIBS = @GRUB_LIBS@
--HERCULES_SUPPORT_FALSE = @HERCULES_SUPPORT_FALSE@
--HERCULES_SUPPORT_TRUE = @HERCULES_SUPPORT_TRUE@
--INSTALL_DATA = @INSTALL_DATA@
--INSTALL_PROGRAM = @INSTALL_PROGRAM@
--INSTALL_SCRIPT = @INSTALL_SCRIPT@
--INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
--LDFLAGS = @LDFLAGS@
--LIBOBJS = @LIBOBJS@
--LIBS = @LIBS@
--LTLIBOBJS = @LTLIBOBJS@
--MAINT = @MAINT@
--MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
--MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
--MAKEINFO = @MAKEINFO@
--NETBOOT_DRIVERS = @NETBOOT_DRIVERS@
--NETBOOT_SUPPORT_FALSE = @NETBOOT_SUPPORT_FALSE@
--NETBOOT_SUPPORT_TRUE = @NETBOOT_SUPPORT_TRUE@
--NET_CFLAGS = @NET_CFLAGS@
--NET_EXTRAFLAGS = @NET_EXTRAFLAGS@
--OBJCOPY = @OBJCOPY@
--OBJEXT = @OBJEXT@
--PACKAGE = @PACKAGE@
--PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
--PACKAGE_NAME = @PACKAGE_NAME@
--PACKAGE_STRING = @PACKAGE_STRING@
--PACKAGE_TARNAME = @PACKAGE_TARNAME@
--PACKAGE_VERSION = @PACKAGE_VERSION@
--PATH_SEPARATOR = @PATH_SEPARATOR@
--PERL = @PERL@
--RANLIB = @RANLIB@
--SERIAL_SPEED_SIMULATION_FALSE = @SERIAL_SPEED_SIMULATION_FALSE@
--SERIAL_SPEED_SIMULATION_TRUE = @SERIAL_SPEED_SIMULATION_TRUE@
--SERIAL_SUPPORT_FALSE = @SERIAL_SUPPORT_FALSE@
--SERIAL_SUPPORT_TRUE = @SERIAL_SUPPORT_TRUE@
--SET_MAKE = @SET_MAKE@
--SHELL = @SHELL@
--STAGE1_CFLAGS = @STAGE1_CFLAGS@
--STAGE2_CFLAGS = @STAGE2_CFLAGS@
--STRIP = @STRIP@
--VERSION = @VERSION@
--ac_ct_CC = @ac_ct_CC@
--ac_ct_OBJCOPY = @ac_ct_OBJCOPY@
--ac_ct_RANLIB = @ac_ct_RANLIB@
--ac_ct_STRIP = @ac_ct_STRIP@
--am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
--am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
--am__include = @am__include@
--am__leading_dot = @am__leading_dot@
--am__quote = @am__quote@
--am__tar = @am__tar@
--am__untar = @am__untar@
--bindir = @bindir@
--build = @build@
--build_alias = @build_alias@
--build_cpu = @build_cpu@
--build_os = @build_os@
--build_vendor = @build_vendor@
--datadir = @datadir@
--exec_prefix = @exec_prefix@
--host = @host@
--host_alias = @host_alias@
--host_cpu = @host_cpu@
--host_os = @host_os@
--host_vendor = @host_vendor@
--includedir = @includedir@
--infodir = @infodir@
--install_sh = @install_sh@
--libdir = @libdir@
--libexecdir = @libexecdir@
--localstatedir = @localstatedir@
--mandir = @mandir@
--mkdir_p = @mkdir_p@
--oldincludedir = @oldincludedir@
--prefix = @prefix@
--program_transform_name = @program_transform_name@
--sbindir = @sbindir@
--sharedstatedir = @sharedstatedir@
--sysconfdir = @sysconfdir@
--target_alias = @target_alias@
--
--# For <shared.h> and <stage1.h>.
--INCLUDES = -I$(top_srcdir)/stage2 -I$(top_srcdir)/stage1
--@NETBOOT_SUPPORT_FALSE@LIBDRIVERS =
--
--# Don't build the netboot support by default.
--@NETBOOT_SUPPORT_TRUE@LIBDRIVERS = libdrivers.a
--noinst_LIBRARIES = $(LIBDRIVERS)
--libdrivers_a_SOURCES = cards.h config.c etherboot.h \
-- fsys_tftp.c linux-asm-io.h linux-asm-string.h \
-- main.c misc.c nic.h osdep.h pci.c pci.h timer.c timer.h
--
--EXTRA_libdrivers_a_SOURCES = 3c509.c 3c509.h 3c595.c 3c595.h 3c90x.c \
-- cs89x0.c cs89x0.h davicom.c depca.c eepro.c eepro100.c \
-- epic100.c epic100.h fa311.c i82586.c lance.c natsemi.c \
-- ni5010.c ns8390.c ns8390.h otulip.c otulip.h rtl8139.c \
-- sis900.c sis900.h sk_g16.c sk_g16.h smc9000.c smc9000.h \
-- tiara.c tlan.c tulip.c via-rhine.c w89c840.c
--
--libdrivers_a_CFLAGS = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- -DFSYS_TFTP=1 $(NET_CFLAGS) $(NET_EXTRAFLAGS)
--
--# Filled by configure.
--libdrivers_a_LIBADD = @NETBOOT_DRIVERS@
--libdrivers_a_DEPENDENCIES = $(libdrivers_a_LIBADD)
--EXTRA_DIST = README.netboot 3c90x.txt cs89x0.txt sis900.txt tulip.txt
--
--# These below are several special rules for the device drivers.
--# We cannot use a simple rule for them...
--
--# What objects are derived from a driver?
--3c509_drivers = 3c509.o 3c529.o
--3c595_drivers = 3c595.o
--3c90x_drivers = 3c90x.o
--cs89x0_drivers = cs89x0.o
--davicom_drivers = davicom.o
--depca_drivers = depca.o
--eepro_drivers = eepro.o
--eepro100_drivers = eepro100.o
--epic100_drivers = epic100.o
--#fa311_drivers = fa311.o
--i82586_drivers = 3c507.o exos205.o ni5210.o
--lance_drivers = lance.o ne2100.o ni6510.o
--natsemi_drivers = natsemi.o
--ni5010_drivers = ni5010.o
--ns8390_drivers = 3c503.o ne.o ns8390.o wd.o
--otulip_drivers = otulip.o
--rtl8139_drivers = rtl8139.o
--sis900_drivers = sis900.o
--sk_g16_drivers = sk_g16.o
--smc9000_drivers = smc9000.o
--tiara_drivers = tiara.o
--#tlan_drivers = tlan.o
--tulip_drivers = tulip.o
--via_rhine_drivers = via_rhine.o
--w89c840_drivers = w89c840.o
--
--# Per-object flags.
--3c509_o_CFLAGS = -DINCLUDE_3C509=1
--3c529_o_CFLAGS = -DINCLUDE_3C529=1
--3c595_o_CFLAGS = -DINCLUDE_3C595=1
--3c90x_o_CFLAGS = -DINCLUDE_3C90X=1
--cs89x0_o_CFLAGS = -DINCLUDE_CS89X0=1
--davicom_o_CFLAGS = -DINCLUDE_DAVICOM=1
--depca_o_CFLAGS = -DINCLUDE_DEPCA=1
--eepro_o_CFLAGS = -DINCLUDE_EEPRO=1
--eepro100_o_CFLAGS = -DINCLUDE_EEPRO100=1
--epic100_o_CFLAGS = -DINCLUDE_EPIC100=1
--#fa311_o_CFLAGS = -DINCLUDE_FA311=1
--3c507_o_CFLAGS = -DINCLUDE_3C507=1
--exos205_o_CFLAGS = -DINCLUDE_EXOS205=1
--ni5210_o_CFLAGS = -DINCLUDE_NI5210=1
--lance_o_CFLAGS = -DINCLUDE_LANCE=1
--ne2100_o_CFLAGS = -DINCLUDE_NE2100=1
--ni6510_o_CFLAGS = -DINCLUDE_NI6510=1
--natsemi_o_CFLAGS = -DINCLUDE_NATSEMI=1
--ni5010_o_CFLAGS = -DINCLUDE_NI5010=1
--3c503_o_CFLAGS = -DINCLUDE_3C503=1
--ne_o_CFLAGS = -DINCLUDE_NE=1
--ns8390_o_CFLAGS = -DINCLUDE_NS8390=1
--wd_o_CFLAGS = -DINCLUDE_WD=1
--otulip_o_CFLAGS = -DINCLUDE_OTULIP=1
--rtl8139_o_CFLAGS = -DINCLUDE_RTL8139=1
--sis900_o_CFLAGS = -DINCLUDE_SIS900=1
--sk_g16_o_CFLAGS = -DINCLUDE_SK_G16=1
--smc9000_o_CFLAGS = -DINCLUDE_SMC9000=1
--tiara_o_CFLAGS = -DINCLUDE_TIARA=1
--#tlan_o_CFLAGS = -DINCLUDE_TLAN=1
--tulip_o_CFLAGS = -DINCLUDE_TULIP=1
--via_rhine_o_CFLAGS = -DINCLUDE_VIA_RHINE=1
--w89c840_o_CFLAGS = -DINCLUDE_W89C840=1
--all: all-am
--
--.SUFFIXES:
--.SUFFIXES: .c .o .obj
--$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
-- @for dep in $?; do \
-- case '$(am__configure_deps)' in \
-- *$$dep*) \
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-- && exit 0; \
-- exit 1;; \
-- esac; \
-- done; \
-- echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu netboot/Makefile'; \
-- cd $(top_srcdir) && \
-- $(AUTOMAKE) --gnu netboot/Makefile
--.PRECIOUS: Makefile
--Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-- @case '$?' in \
-- *config.status*) \
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-- *) \
-- echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-- cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
-- esac;
--
--$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--
--$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--
--clean-noinstLIBRARIES:
-- -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
--libdrivers.a: $(libdrivers_a_OBJECTS) $(libdrivers_a_DEPENDENCIES)
-- -rm -f libdrivers.a
-- $(libdrivers_a_AR) libdrivers.a $(libdrivers_a_OBJECTS) $(libdrivers_a_LIBADD)
-- $(RANLIB) libdrivers.a
--
--mostlyclean-compile:
-- -rm -f *.$(OBJEXT)
--
--distclean-compile:
-- -rm -f *.tab.c
--
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-3c509.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-3c595.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-3c90x.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-config.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-cs89x0.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-davicom.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-depca.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-eepro.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-eepro100.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-epic100.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-fa311.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-fsys_tftp.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-i82586.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-lance.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-main.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-misc.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-natsemi.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-ni5010.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-ns8390.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-otulip.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-pci.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-rtl8139.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libdrivers_a-sis900.Po@am__quote@
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--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libdrivers_a-tiara.Tpo" "$(DEPDIR)/libdrivers_a-tiara.Po"; else rm -f "$(DEPDIR)/libdrivers_a-tiara.Tpo"; exit 1; fi
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='tiara.c' object='libdrivers_a-tiara.obj' libtool=no @AMDEPBACKSLASH@
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--
--libdrivers_a-tlan.o: tlan.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libdrivers_a_CFLAGS) $(CFLAGS) -MT libdrivers_a-tlan.o -MD -MP -MF "$(DEPDIR)/libdrivers_a-tlan.Tpo" -c -o libdrivers_a-tlan.o `test -f 'tlan.c' || echo '$(srcdir)/'`tlan.c; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libdrivers_a-tlan.Tpo" "$(DEPDIR)/libdrivers_a-tlan.Po"; else rm -f "$(DEPDIR)/libdrivers_a-tlan.Tpo"; exit 1; fi
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='tlan.c' object='libdrivers_a-tlan.o' libtool=no @AMDEPBACKSLASH@
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--
--libdrivers_a-tlan.obj: tlan.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libdrivers_a_CFLAGS) $(CFLAGS) -MT libdrivers_a-tlan.obj -MD -MP -MF "$(DEPDIR)/libdrivers_a-tlan.Tpo" -c -o libdrivers_a-tlan.obj `if test -f 'tlan.c'; then $(CYGPATH_W) 'tlan.c'; else $(CYGPATH_W) '$(srcdir)/tlan.c'; fi`; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libdrivers_a-tlan.Tpo" "$(DEPDIR)/libdrivers_a-tlan.Po"; else rm -f "$(DEPDIR)/libdrivers_a-tlan.Tpo"; exit 1; fi
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='tlan.c' object='libdrivers_a-tlan.obj' libtool=no @AMDEPBACKSLASH@
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--
--libdrivers_a-tulip.o: tulip.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libdrivers_a_CFLAGS) $(CFLAGS) -MT libdrivers_a-tulip.o -MD -MP -MF "$(DEPDIR)/libdrivers_a-tulip.Tpo" -c -o libdrivers_a-tulip.o `test -f 'tulip.c' || echo '$(srcdir)/'`tulip.c; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libdrivers_a-tulip.Tpo" "$(DEPDIR)/libdrivers_a-tulip.Po"; else rm -f "$(DEPDIR)/libdrivers_a-tulip.Tpo"; exit 1; fi
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--
--libdrivers_a-tulip.obj: tulip.c
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--
--libdrivers_a-via-rhine.o: via-rhine.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libdrivers_a_CFLAGS) $(CFLAGS) -MT libdrivers_a-via-rhine.o -MD -MP -MF "$(DEPDIR)/libdrivers_a-via-rhine.Tpo" -c -o libdrivers_a-via-rhine.o `test -f 'via-rhine.c' || echo '$(srcdir)/'`via-rhine.c; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libdrivers_a-via-rhine.Tpo" "$(DEPDIR)/libdrivers_a-via-rhine.Po"; else rm -f "$(DEPDIR)/libdrivers_a-via-rhine.Tpo"; exit 1; fi
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--libdrivers_a-w89c840.o: w89c840.c
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--libdrivers_a-w89c840.obj: w89c840.c
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--$(3c595_drivers): 3c595.c 3c595.h
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-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
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-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(cs89x0_drivers): cs89x0.c cs89x0.h
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-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(davicom_drivers): davicom.c
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-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(depca_drivers): depca.c
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-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(eepro_drivers): eepro.c
--$(eepro_drivers): %.o: eepro.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(eepro100_drivers): eepro100.c
--$(eepro100_drivers): %.o: eepro100.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(epic100_drivers): epic100.c epic100.h
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-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--#$(fa311_drivers): fa311.c
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--
--$(i82586_drivers): i82586.c
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-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(lance_drivers): lance.c
--$(lance_drivers): %.o: lance.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(natsemi_drivers): natsemi.c
--$(natsemi_drivers): %.o: natsemi.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(ni5010_drivers): ni5010.c
--$(ni5010_drivers): %.o: ni5010.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(ns8390_drivers): ns8390.c ns8390.h
--$(ns8390_drivers): %.o: ns8390.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(otulip_drivers): otulip.c otulip.h
--$(otulip_drivers): %.o: otulip.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(rtl8139_drivers): rtl8139.c
--$(rtl8139_drivers): %.o: rtl8139.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(sis900_drivers): sis900.c
--$(sis900_drivers): %.o: sis900.c sis900.h
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(sk_g16_drivers): sk_g16.c sk_g16.h
--$(sk_g16_drivers): %.o: sk_g16.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(smc9000_drivers): smc9000.c smc9000.h
--$(smc9000_drivers): %.o: smc9000.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(tiara_drivers): tiara.c
--$(tiara_drivers): %.o: tiara.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--#$(tlan_drivers): tlan.c
--#$(tlan_drivers): %.o: tlan.c
--# $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
--# $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(tulip_drivers): tulip.c
--$(tulip_drivers): %.o: tulip.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(via_rhine_drivers): via-rhine.c
--$(via_rhine_drivers): %.o: via-rhine.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--
--$(w89c840_drivers): w89c840.c
--$(w89c840_drivers): %.o: w89c840.c
-- $(COMPILE) $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NET_EXTRAFLAGS) $($(basename $@)_o_CFLAGS) -o $@ -c $<
--# Tell versions [3.59,3.63) of GNU make to not export all variables.
--# Otherwise a system limit (for SysV at least) may be exceeded.
--.NOEXPORT:
-diff --git a/netboot/etherboot.h b/netboot/etherboot.h
-index 74ca16f..9c02b25 100644
---- a/netboot/etherboot.h
-+++ b/netboot/etherboot.h
-@@ -246,7 +246,7 @@ Author: Martin Renters
-
- typedef struct
- {
-- unsigned long s_addr;
-+ unsigned int s_addr;
- }
- in_addr;
-
-@@ -302,7 +302,7 @@ struct bootp_t
- char bp_htype;
- char bp_hlen;
- char bp_hops;
-- unsigned long bp_xid;
-+ unsigned int bp_xid;
- unsigned short bp_secs;
- unsigned short unused;
- in_addr bp_ciaddr;
-@@ -411,25 +411,25 @@ struct rpc_t
-
- struct
- {
-- long id;
-- long type;
-- long rpcvers;
-- long prog;
-- long vers;
-- long proc;
-- long data[1];
-+ int id;
-+ int type;
-+ int rpcvers;
-+ int prog;
-+ int vers;
-+ int proc;
-+ int data[1];
- }
- call;
-
- struct
- {
-- long id;
-- long type;
-- long rstatus;
-- long verifier;
-- long v2;
-- long astatus;
-- long data[1];
-+ int id;
-+ int type;
-+ int rstatus;
-+ int verifier;
-+ int v2;
-+ int astatus;
-+ int data[1];
- }
- reply;
- }
-@@ -531,9 +531,7 @@ extern int ip_abort;
- extern int network_ready;
- extern struct rom_info rom;
- extern struct arptable_t arptable[MAX_ARP];
--extern struct bootpd_t bootp_data;
- #define BOOTP_DATA_ADDR (&bootp_data)
--extern unsigned char *end_of_rfc1533;
-
- /* config.c */
- extern struct nic nic;
-diff --git a/netboot/main.c b/netboot/main.c
-index 82759b6..b8ba920 100644
---- a/netboot/main.c
-+++ b/netboot/main.c
-@@ -53,9 +53,9 @@ int network_ready = 0;
- struct rom_info rom;
-
- static int vendorext_isvalid;
--static unsigned long netmask;
-+static unsigned int netmask;
- static struct bootpd_t bootp_data;
--static unsigned long xid;
-+static unsigned int xid;
- static unsigned char *end_of_rfc1533 = NULL;
-
- #ifndef NO_DHCP_SUPPORT
-@@ -773,7 +773,7 @@ await_reply (int type, int ival, void *ptr, int timeout)
- if (nic.packetlen >= ETH_HLEN + sizeof (struct arprequest)
- && ptype == ARP)
- {
-- unsigned long tmp;
-+ unsigned int tmp;
-
- arpreply = (struct arprequest *) &nic.packet[ETH_HLEN];
-
-diff --git a/netboot/misc.c b/netboot/misc.c
-index 28614fd..6ea9a8e 100644
---- a/netboot/misc.c
-+++ b/netboot/misc.c
-@@ -21,6 +21,7 @@
-
- #define GRUB 1
- #include <etherboot.h>
-+#include <stdarg.h>
-
- void
- sleep (int secs)
-@@ -71,9 +72,10 @@ PRINTF and friends
- Note: width specification not supported
- **************************************************************************/
- static int
--etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
-+etherboot_vsprintf (char *buf, const char *fmt, va_list args)
- {
- char *p, *s;
-+ int n;
-
- s = buf;
- for ( ; *fmt != '\0'; ++fmt)
-@@ -86,7 +88,7 @@ etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
-
- if (*++fmt == 's')
- {
-- for (p = (char *) *dp++; *p != '\0'; p++)
-+ for (p = va_arg (args, char *); *p != '\0'; p++)
- buf ? *s++ = *p : grub_putchar (*p);
- }
- else
-@@ -120,46 +122,44 @@ etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
- */
- if ((*fmt | 0x20) == 'x')
- {
-- /* With x86 gcc, sizeof(long) == sizeof(int) */
-- const long *lp = (const long *) dp;
-- long h = *lp++;
- int ncase = (*fmt & 0x20);
-+
-+ n = va_arg (args, int);
-
-- dp = (const int *) lp;
- if (alt)
- {
- *q++ = '0';
- *q++ = 'X' | ncase;
- }
- for (; shift >= 0; shift -= 4)
-- *q++ = "0123456789ABCDEF"[(h >> shift) & 0xF] | ncase;
-+ *q++ = "0123456789ABCDEF"[(n >> shift) & 0xF] | ncase;
- }
- else if (*fmt == 'd')
- {
-- int i = *dp++;
- char *r;
--
-- if (i < 0)
-+
-+ n = va_arg (args, int);
-+ if (n < 0)
- {
- *q++ = '-';
-- i = -i;
-+ n = -n;
- }
-
- p = q; /* save beginning of digits */
- do
- {
-- *q++ = '0' + (i % 10);
-- i /= 10;
-+ *q++ = '0' + (n % 10);
-+ n /= 10;
- }
-- while (i);
-+ while (n);
-
- /* reverse digits, stop in middle */
- r = q; /* don't alter q */
- while (--r > p)
- {
-- i = *r;
-+ n = *r;
- *r = *p;
-- *p++ = i;
-+ *p++ = n;
- }
- }
- else if (*fmt == '@')
-@@ -167,14 +167,12 @@ etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
- unsigned char *r;
- union
- {
-- long l;
-+ int l;
- unsigned char c[4];
- }
- u;
-- const long *lp = (const long *) dp;
-
-- u.l = *lp++;
-- dp = (const int *) lp;
-+ u.l = va_arg (args, int);
-
- for (r = &u.c[0]; r < &u.c[4]; ++r)
- q += etherboot_sprintf (q, "%d.", *r);
-@@ -184,15 +182,15 @@ etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
- else if (*fmt == '!')
- {
- char *r;
-- p = (char *) *dp++;
--
-+
-+ p = va_arg (args, char *);
- for (r = p + ETH_ALEN; p < r; ++p)
- q += etherboot_sprintf (q, "%hhX:", *p);
-
- --q;
- }
- else if (*fmt == 'c')
-- *q++ = *dp++;
-+ *q++ = va_arg (args, int);
- else
- *q++ = *fmt;
-
-@@ -211,13 +209,23 @@ etherboot_vsprintf (char *buf, const char *fmt, const int *dp)
- int
- etherboot_sprintf (char *buf, const char *fmt, ...)
- {
-- return etherboot_vsprintf (buf, fmt, ((const int *) &fmt) + 1);
-+ va_list ap;
-+ int ret;
-+
-+ va_start (ap, fmt);
-+ ret = etherboot_vsprintf (buf, fmt, ap);
-+ va_end (ap);
-+ return ret;
- }
-
- void
- etherboot_printf (const char *fmt, ...)
- {
-- (void) etherboot_vsprintf (0, fmt, ((const int *) &fmt) + 1);
-+ va_list ap;
-+
-+ va_start (ap, fmt);
-+ (void) etherboot_vsprintf (0, fmt, ap);
-+ va_end (ap);
- }
-
- int
-diff --git a/netboot/osdep.h b/netboot/osdep.h
-index 57218bf..881141b 100644
---- a/netboot/osdep.h
-+++ b/netboot/osdep.h
-@@ -21,10 +21,10 @@
- #elif defined(__LITTLE_ENDIAN)
- # if !defined(__constant_htonl)
- # define __constant_htonl(x) \
-- ((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
-- (((unsigned long int)(x) & 0x0000ff00U) << 8) | \
-- (((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
-- (((unsigned long int)(x) & 0xff000000U) >> 24)))
-+ ((unsigned int)((((unsigned int)(x) & 0x000000ffU) << 24) | \
-+ (((unsigned int)(x) & 0x0000ff00U) << 8) | \
-+ (((unsigned int)(x) & 0x00ff0000U) >> 8) | \
-+ (((unsigned int)(x) & 0xff000000U) >> 24)))
- # endif
- # if !defined(__constant_htons)
- # define __constant_htons(x) \
-@@ -36,11 +36,11 @@
- #endif
-
- #define ntohl(x) \
--(__builtin_constant_p(x) ? \
-+(__builtin_constant_p((unsigned int)x) ? \
- __constant_htonl((x)) : \
- __swap32(x))
- #define htonl(x) \
--(__builtin_constant_p(x) ? \
-+(__builtin_constant_p((unsigned int)x) ? \
- __constant_htonl((x)) : \
- __swap32(x))
- #define ntohs(x) \
-@@ -52,21 +52,29 @@
- __constant_htons((x)) : \
- __swap16(x))
-
--static inline unsigned long int __swap32(unsigned long int x)
-+static inline unsigned int __swap32(unsigned int x)
- {
-+#ifdef PLATFORM_EFI
-+ __asm__("bswapl %0" : "=r" (x) : "0" (x));
-+#else
- __asm__("xchgb %b0,%h0\n\t"
- "rorl $16,%0\n\t"
- "xchgb %b0,%h0"
- : "=q" (x)
- : "0" (x));
-+#endif
- return x;
- }
-
- static inline unsigned short int __swap16(unsigned short int x)
- {
-+#ifdef PLATFORM_EFI
-+ return __constant_htons(x);
-+#else
- __asm__("xchgb %b0,%h0"
- : "=q" (x)
- : "0" (x));
-+#endif
- return x;
- }
-
-@@ -76,7 +84,7 @@ static inline unsigned short int __swap16(unsigned short int x)
-
- #include "linux-asm-io.h"
-
--typedef unsigned long Address;
-+typedef unsigned int Address;
-
- /* ANSI prototyping macro */
- #ifdef __STDC__
-diff --git a/stage1/.gitignore b/stage1/.gitignore
-new file mode 100644
-index 0000000..5d89f6d
---- /dev/null
-+++ b/stage1/.gitignore
-@@ -0,0 +1,2 @@
-+Makefile.in
-+.deps
-diff --git a/stage1/Makefile.am b/stage1/Makefile.am
-index 0afc285..cbae397 100644
---- a/stage1/Makefile.am
-+++ b/stage1/Makefile.am
-@@ -1,11 +1,14 @@
--pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
--nodist_pkglib_DATA = stage1
--
--CLEANFILES = $(nodist_pkglib_DATA)
-+pkgdatadir = $(datadir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
-
- # We can't use builtins or standard includes.
- AM_CCASFLAGS = $(STAGE1_CFLAGS) -fno-builtin -nostdinc
--LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
-+LDFLAGS = $(LOADER_LDFLAGS) -nostdlib -Wl,-N,-Ttext,7C00
-+
-+if !PLATFORM_EFI
-+
-+nodist_pkgdata_DATA = stage1
-+
-+CLEANFILES = $(nodist_pkgdata_DATA)
-
- noinst_PROGRAMS = stage1.exec
- stage1_exec_SOURCES = stage1.S stage1.h
-@@ -13,3 +16,5 @@ stage1_exec_SOURCES = stage1.S stage1.h
- SUFFIXES = .exec
- .exec:
- $(OBJCOPY) -O binary $< $@
-+
-+endif
-diff --git a/stage1/Makefile.in b/stage1/Makefile.in
-deleted file mode 100644
-index 7134bdf..0000000
---- a/stage1/Makefile.in
-+++ /dev/null
-@@ -1,433 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--
--SOURCES = $(stage1_exec_SOURCES)
--
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--top_srcdir = @top_srcdir@
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--pkgdatadir = $(datadir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
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-- $(top_srcdir)/configure.ac
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-- $(ACLOCAL_M4)
--mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
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--am_stage1_exec_OBJECTS = stage1.$(OBJEXT)
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--COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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--INSTALL_DATA = @INSTALL_DATA@
--INSTALL_PROGRAM = @INSTALL_PROGRAM@
--INSTALL_SCRIPT = @INSTALL_SCRIPT@
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--LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
--LIBOBJS = @LIBOBJS@
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--MAINT = @MAINT@
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--STAGE1_CFLAGS = @STAGE1_CFLAGS@
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--VERSION = @VERSION@
--ac_ct_CC = @ac_ct_CC@
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--build_cpu = @build_cpu@
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--sysconfdir = @sysconfdir@
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-- $(LINK) $(stage1_exec_LDFLAGS) $(stage1_exec_OBJECTS) $(stage1_exec_LDADD) $(LIBS)
--
--mostlyclean-compile:
-- -rm -f *.$(OBJEXT)
--
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--
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-- if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-- f=$(am__strip_dir) \
-- echo " $(nodist_pkglibDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(pkglibdir)/$$f'"; \
-- $(nodist_pkglibDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(pkglibdir)/$$f"; \
-- done
--
--uninstall-nodist_pkglibDATA:
-- @$(NORMAL_UNINSTALL)
-- @list='$(nodist_pkglib_DATA)'; for p in $$list; do \
-- f=$(am__strip_dir) \
-- echo " rm -f '$(DESTDIR)$(pkglibdir)/$$f'"; \
-- rm -f "$(DESTDIR)$(pkglibdir)/$$f"; \
-- done
--
--ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- mkid -fID $$unique
--tags: TAGS
--
--TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
-- test -n "$$unique" || unique=$$empty_fix; \
-- $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-- $$tags $$unique; \
-- fi
--ctags: CTAGS
--CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- test -z "$(CTAGS_ARGS)$$tags$$unique" \
-- || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-- $$tags $$unique
--
--GTAGS:
-- here=`$(am__cd) $(top_builddir) && pwd` \
-- && cd $(top_srcdir) \
-- && gtags -i $(GTAGS_ARGS) $$here
--
--distclean-tags:
-- -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
--
--distdir: $(DISTFILES)
-- @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
-- topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
-- list='$(DISTFILES)'; for file in $$list; do \
-- case $$file in \
-- $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
-- $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
-- esac; \
-- if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
-- dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
-- if test "$$dir" != "$$file" && test "$$dir" != "."; then \
-- dir="/$$dir"; \
-- $(mkdir_p) "$(distdir)$$dir"; \
-- else \
-- dir=''; \
-- fi; \
-- if test -d $$d/$$file; then \
-- if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-- cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
-- fi; \
-- cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
-- else \
-- test -f $(distdir)/$$file \
-- || cp -p $$d/$$file $(distdir)/$$file \
-- || exit 1; \
-- fi; \
-- done
--check-am: all-am
--check: check-am
--all-am: Makefile $(PROGRAMS) $(DATA)
--installdirs:
-- for dir in "$(DESTDIR)$(pkglibdir)"; do \
-- test -z "$$dir" || $(mkdir_p) "$$dir"; \
-- done
--install: install-am
--install-exec: install-exec-am
--install-data: install-data-am
--uninstall: uninstall-am
--
--install-am: all-am
-- @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
--
--installcheck: installcheck-am
--install-strip:
-- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-- `test -z '$(STRIP)' || \
-- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
--mostlyclean-generic:
--
--clean-generic:
-- -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
--
--distclean-generic:
-- -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
--
--maintainer-clean-generic:
-- @echo "This command is intended for maintainers to use"
-- @echo "it deletes files that may require special tools to rebuild."
--clean: clean-am
--
--clean-am: clean-generic clean-noinstPROGRAMS mostlyclean-am
--
--distclean: distclean-am
-- -rm -f Makefile
--distclean-am: clean-am distclean-compile distclean-generic \
-- distclean-tags
--
--dvi: dvi-am
--
--dvi-am:
--
--html: html-am
--
--info: info-am
--
--info-am:
--
--install-data-am:
--
--install-exec-am: install-nodist_pkglibDATA
--
--install-info: install-info-am
--
--install-man:
--
--installcheck-am:
--
--maintainer-clean: maintainer-clean-am
-- -rm -f Makefile
--maintainer-clean-am: distclean-am maintainer-clean-generic
--
--mostlyclean: mostlyclean-am
--
--mostlyclean-am: mostlyclean-compile mostlyclean-generic
--
--pdf: pdf-am
--
--pdf-am:
--
--ps: ps-am
--
--ps-am:
--
--uninstall-am: uninstall-info-am uninstall-nodist_pkglibDATA
--
--.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
-- clean-noinstPROGRAMS ctags distclean distclean-compile \
-- distclean-generic distclean-tags distdir dvi dvi-am html \
-- html-am info info-am install install-am install-data \
-- install-data-am install-exec install-exec-am install-info \
-- install-info-am install-man install-nodist_pkglibDATA \
-- install-strip installcheck installcheck-am installdirs \
-- maintainer-clean maintainer-clean-generic mostlyclean \
-- mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
-- tags uninstall uninstall-am uninstall-info-am \
-- uninstall-nodist_pkglibDATA
--
--.exec:
-- $(OBJCOPY) -O binary $< $@
--# Tell versions [3.59,3.63) of GNU make to not export all variables.
--# Otherwise a system limit (for SysV at least) may be exceeded.
--.NOEXPORT:
-diff --git a/stage1/stage1.S b/stage1/stage1.S
-index 985963d..3a896be 100644
---- a/stage1/stage1.S
-+++ b/stage1/stage1.S
-@@ -31,6 +31,8 @@
-
- /* Print message string */
- #define MSG(x) movw $ABS(x), %si; call message
-+ /* Print verbose message string */
-+#define VMSG(x)
-
- /* XXX: binutils-2.9.1.0.x doesn't produce a short opcode for this. */
- #define MOV_MEM_TO_AL(x) .byte 0xa0; .word x
-@@ -151,7 +153,7 @@ real_start:
- pushw %dx
-
- /* print a notification message on the screen */
-- MSG(notification_string)
-+ VMSG(notification_string)
-
- /* do not probe LBA if the drive is a floppy */
- testb $STAGE1_BIOS_HD_FLAG, %dl
-diff --git a/stage2/.gitignore b/stage2/.gitignore
-new file mode 100644
-index 0000000..e0480a0
---- /dev/null
-+++ b/stage2/.gitignore
-@@ -0,0 +1,5 @@
-+Makefile.in
-+Makefile
-+.deps
-+*.a
-+*.o
-diff --git a/stage2/Makefile.am b/stage2/Makefile.am
-index f8e6d42..04ff165 100644
---- a/stage2/Makefile.am
-+++ b/stage2/Makefile.am
-@@ -7,19 +7,23 @@ noinst_HEADERS = apic.h defs.h dir.h disk_inode.h disk_inode_ffs.h \
- fat.h filesys.h freebsd.h fs.h hercules.h i386-elf.h \
- imgact_aout.h iso9660.h jfs.h mb_header.h mb_info.h md5.h \
- nbi.h pc_slice.h serial.h shared.h smp-imps.h term.h \
-- terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h
-+ terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h graphics.h gpt.h
- EXTRA_DIST = setjmp.S apm.S $(noinst_SCRIPTS)
-
- # For <stage1.h>.
--INCLUDES = -I$(top_srcdir)/stage1
-+INCLUDES = -I$(top_srcdir)/stage1 -I$(top_srcdir)/efi
-
- # The library for /sbin/grub.
-+if PLATFORM_EFI
-+noinst_LIBRARIES = libgrub.a libstage2.a
-+else
- noinst_LIBRARIES = libgrub.a
-+endif
- libgrub_a_SOURCES = boot.c builtins.c char_io.c cmdline.c common.c \
- disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \
-- fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_ufs2.c \
-- fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c stage2.c \
-- terminfo.c tparm.c
-+ fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_uefi.c fsys_ufs2.c \
-+ fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c sha256crypt.c \
-+ sha512crypt.c stage2.c terminfo.c tparm.c graphics.c efistubs.c
- libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \
- -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
- -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \
-@@ -27,12 +31,14 @@ libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \
- -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1
-
- # Stage 2 and Stage 1.5's.
--pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
-+pkgdatadir = $(datadir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
-+
-+if !PLATFORM_EFI
-
- EXTRA_PROGRAMS = nbloader.exec pxeloader.exec diskless.exec
-
- if DISKLESS_SUPPORT
--pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
-+pkgdata_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
- ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
- reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5 \
- nbgrub pxegrub
-@@ -43,7 +49,7 @@ noinst_PROGRAMS = pre_stage2.exec start.exec start_eltorito.exec \
- reiserfs_stage1_5.exec ufs2_stage1_5.exec vstafs_stage1_5.exec \
- xfs_stage1_5.exec nbloader.exec pxeloader.exec diskless.exec
- else
--pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
-+pkgdata_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
- ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
- reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5
- noinst_DATA = pre_stage2 start start_eltorito
-@@ -55,11 +61,13 @@ noinst_PROGRAMS = pre_stage2.exec start.exec start_eltorito.exec \
- endif
- MOSTLYCLEANFILES = $(noinst_PROGRAMS)
-
--PRE_STAGE2_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8200
--START_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8000
--NBLOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,0
--PXELOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
--START_ELTORITO_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
-+endif
-+
-+PRE_STAGE2_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8200 $(LOADER_LDFLAGS)
-+START_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8000 $(LOADER_LDFLAGS)
-+NBLOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,0 $(LOADER_LDFLAGS)
-+PXELOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00 $(LOADER_LDFLAGS)
-+START_ELTORITO_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00 $(LOADER_LDFLAGS)
-
- if NETBOOT_SUPPORT
- NETBOOT_FLAGS = -I$(top_srcdir)/netboot -DSUPPORT_NETBOOT=1
-@@ -79,10 +87,25 @@ else
- HERCULES_FLAGS =
- endif
-
-+if GRAPHICS_SUPPORT
-+GRAPHICS_FLAGS = -DSUPPORT_GRAPHICS=1
-+else
-+GRAPHICS_FLAGS =
-+endif
-+
- STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS)
-+ $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS) $(GRAPHICS_FLAGS)
-+
-+libstage2_a_SOURCES = boot.c builtins.c char_io.c cmdline.c common.c \
-+ disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \
-+ fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_uefi.c fsys_ufs2.c \
-+ fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c sha256crypt.c \
-+ sha512crypt.c stage2.c terminfo.c tparm.c efistubs.c
-+libstage2_a_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
-
--STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000
-+if !PLATFORM_EFI
-+
-+STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000 $(LOADER_LDFLAGS)
- STAGE1_5_COMPILE = $(STAGE2_COMPILE) -DNO_DECOMPRESSION=1 -DSTAGE1_5=1
-
- # For stage2 target.
-@@ -90,13 +113,15 @@ pre_stage2_exec_SOURCES = asm.S bios.c boot.c builtins.c char_io.c \
- cmdline.c common.c console.c disk_io.c fsys_ext2fs.c \
- fsys_fat.c fsys_ffs.c fsys_iso9660.c fsys_jfs.c fsys_minix.c \
- fsys_reiserfs.c fsys_ufs2.c fsys_vstafs.c fsys_xfs.c gunzip.c \
-- hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c
-+ hercules.c md5.c serial.c smp-imps.c sha256crypt.c sha512crypt.c \
-+ stage2.c terminfo.c tparm.c graphics.c
- pre_stage2_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
- pre_stage2_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
- pre_stage2_exec_LDFLAGS = $(PRE_STAGE2_LINK)
-
-+pre_stage2_exec_LDADD = @LIBGCC@
- if NETBOOT_SUPPORT
--pre_stage2_exec_LDADD = ../netboot/libdrivers.a
-+pre_stage2_exec_LDADD += ../netboot/libdrivers.a
- endif
-
- if DISKLESS_SUPPORT
-@@ -105,7 +130,7 @@ else
- BUILT_SOURCES = stage2_size.h
- endif
-
--CLEANFILES = $(pkglib_DATA) $(noinst_DATA) $(BUILT_SOURCES)
-+CLEANFILES = $(pkgdata_DATA) $(noinst_DATA) $(BUILT_SOURCES)
-
- stage2_size.h: pre_stage2
- -rm -f stage2_size.h
-@@ -115,6 +140,7 @@ stage2_size.h: pre_stage2
- start_exec_SOURCES = start.S
- start_exec_CCASFLAGS = $(STAGE2_COMPILE)
- start_exec_LDFLAGS = $(START_LINK)
-+start_exec_LDADD = @LIBGCC@
-
- # XXX: automake doesn't provide a way to specify dependencies for object
- # files explicitly, so we must write this by a general Makefile scheme.
-@@ -129,6 +155,7 @@ stage2: pre_stage2 start
- start_eltorito_exec_SOURCES = start_eltorito.S
- start_eltorito_exec_CCASFLAGS = $(STAGE2_COMPILE)
- start_eltorito_exec_LDFLAGS = $(START_ELTORITO_LINK)
-+start_eltorito_exec_LDADD = @LIBGCC@
-
- start_eltorito_exec-start.$(OBJEXT): stage2_size.h
-
-@@ -144,6 +171,7 @@ e2fs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
- e2fs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
- -DNO_BLOCK_FILES=1
- e2fs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+e2fs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For fat_stage1_5 target.
- fat_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-@@ -153,6 +181,7 @@ fat_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
- fat_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
- -DNO_BLOCK_FILES=1
- fat_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+fat_stage1_5_exec_LDADD = @LIBGCC@
-
- # For ffs_stage1_5 target.
- ffs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-@@ -162,6 +191,7 @@ ffs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
- ffs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
- -DNO_BLOCK_FILES=1
- ffs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+ffs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For ufs2_stage1_5 target.
- ufs2_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-@@ -171,6 +201,7 @@ ufs2_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
- ufs2_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
- -DNO_BLOCK_FILES=1
- ufs2_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+ufs2_stage1_5_exec_LDADD = @LIBGCC@
-
- # For minix_stage1_5 target.
- minix_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-@@ -180,6 +211,7 @@ minix_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
- minix_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
- -DNO_BLOCK_FILES=1
- minix_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+minix_stage1_5_exec_LDADD = @LIBGCC@
-
- # For reiserfs_stage1_5 target.
- reiserfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-@@ -189,6 +221,7 @@ reiserfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
- reiserfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
- -DNO_BLOCK_FILES=1
- reiserfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+reiserfs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For vstafs_stage1_5 target.
- vstafs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-@@ -198,6 +231,7 @@ vstafs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
- vstafs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
- -DNO_BLOCK_FILES=1
- vstafs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+vstafs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For jfs_stage1_5 target.
- jfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-@@ -207,6 +241,7 @@ jfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
- jfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
- -DNO_BLOCK_FILES=1
- jfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+jfs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For xfs_stage1_5 target.
- xfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-@@ -216,6 +251,7 @@ xfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
- xfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
- -DNO_BLOCK_FILES=1
- xfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+xfs_stage1_5_exec_LDADD = @LIBGCC@
-
- # For iso9660_stage1_5 target.
- iso9660_stage1_5_exec_SOURCES = start_eltorito.S asm.S common.c char_io.c \
-@@ -225,6 +261,7 @@ iso9660_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
- iso9660_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
- -DNO_BLOCK_FILES=1
- iso9660_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
-+iso9660_stage1_5_exec_LDADD = @LIBGCC@
-
- # For diskless target.
- diskless_exec_SOURCES = $(pre_stage2_exec_SOURCES)
-@@ -233,7 +270,7 @@ diskless_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
- diskless_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
- -DSUPPORT_DISKLESS=1
- diskless_exec_LDFLAGS = $(PRE_STAGE2_LINK)
--diskless_exec_LDADD = ../netboot/libdrivers.a
-+diskless_exec_LDADD = ../netboot/libdrivers.a @LIBGCC@
-
- diskless_size.h: diskless
- -rm -f $@
-@@ -270,3 +307,5 @@ pxegrub: pxeloader diskless
- SUFFIXES = .exec
- .exec:
- $(OBJCOPY) -O binary $< $@
-+
-+endif
-diff --git a/stage2/Makefile.in b/stage2/Makefile.in
-deleted file mode 100644
-index d0062bd..0000000
---- a/stage2/Makefile.in
-+++ /dev/null
-@@ -1,3250 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--
--
--
--
--SOURCES = $(libgrub_a_SOURCES) $(diskless_exec_SOURCES) $(e2fs_stage1_5_exec_SOURCES) $(fat_stage1_5_exec_SOURCES) $(ffs_stage1_5_exec_SOURCES) $(iso9660_stage1_5_exec_SOURCES) $(jfs_stage1_5_exec_SOURCES) $(minix_stage1_5_exec_SOURCES) $(nbloader_exec_SOURCES) $(pre_stage2_exec_SOURCES) $(pxeloader_exec_SOURCES) $(reiserfs_stage1_5_exec_SOURCES) $(start_exec_SOURCES) $(start_eltorito_exec_SOURCES) $(ufs2_stage1_5_exec_SOURCES) $(vstafs_stage1_5_exec_SOURCES) $(xfs_stage1_5_exec_SOURCES)
--
--srcdir = @srcdir@
--top_srcdir = @top_srcdir@
--VPATH = @srcdir@
--pkgdatadir = $(datadir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
--INSTALL = @INSTALL@
--install_sh_DATA = $(install_sh) -c -m 644
--install_sh_PROGRAM = $(install_sh) -c
--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
--transform = $(program_transform_name)
--NORMAL_INSTALL = :
--PRE_INSTALL = :
--POST_INSTALL = :
--NORMAL_UNINSTALL = :
--PRE_UNINSTALL = :
--POST_UNINSTALL = :
--build_triplet = @build@
--host_triplet = @host@
--EXTRA_PROGRAMS = nbloader.exec$(EXEEXT) pxeloader.exec$(EXEEXT) \
-- diskless.exec$(EXEEXT)
--@DISKLESS_SUPPORT_FALSE@noinst_PROGRAMS = pre_stage2.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ start.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ start_eltorito.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ e2fs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ fat_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ ffs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ iso9660_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ jfs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ minix_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ reiserfs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ ufs2_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ vstafs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_FALSE@ xfs_stage1_5.exec$(EXEEXT)
--@DISKLESS_SUPPORT_TRUE@noinst_PROGRAMS = pre_stage2.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ start.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ start_eltorito.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ e2fs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ fat_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ ffs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ iso9660_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ jfs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ minix_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ reiserfs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ ufs2_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ vstafs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ xfs_stage1_5.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ nbloader.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ pxeloader.exec$(EXEEXT) \
--@DISKLESS_SUPPORT_TRUE@ diskless.exec$(EXEEXT)
--subdir = stage2
--DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
-- $(srcdir)/Makefile.in
--ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
--am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
-- $(top_srcdir)/configure.ac
--am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-- $(ACLOCAL_M4)
--mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
--CONFIG_HEADER = $(top_builddir)/config.h
--CONFIG_CLEAN_FILES =
--LIBRARIES = $(noinst_LIBRARIES)
--AR = ar
--ARFLAGS = cru
--libgrub_a_AR = $(AR) $(ARFLAGS)
--libgrub_a_LIBADD =
--am_libgrub_a_OBJECTS = libgrub_a-boot.$(OBJEXT) \
-- libgrub_a-builtins.$(OBJEXT) libgrub_a-char_io.$(OBJEXT) \
-- libgrub_a-cmdline.$(OBJEXT) libgrub_a-common.$(OBJEXT) \
-- libgrub_a-disk_io.$(OBJEXT) libgrub_a-fsys_ext2fs.$(OBJEXT) \
-- libgrub_a-fsys_fat.$(OBJEXT) libgrub_a-fsys_ffs.$(OBJEXT) \
-- libgrub_a-fsys_iso9660.$(OBJEXT) libgrub_a-fsys_jfs.$(OBJEXT) \
-- libgrub_a-fsys_minix.$(OBJEXT) \
-- libgrub_a-fsys_reiserfs.$(OBJEXT) \
-- libgrub_a-fsys_ufs2.$(OBJEXT) libgrub_a-fsys_vstafs.$(OBJEXT) \
-- libgrub_a-fsys_xfs.$(OBJEXT) libgrub_a-gunzip.$(OBJEXT) \
-- libgrub_a-md5.$(OBJEXT) libgrub_a-serial.$(OBJEXT) \
-- libgrub_a-stage2.$(OBJEXT) libgrub_a-terminfo.$(OBJEXT) \
-- libgrub_a-tparm.$(OBJEXT)
--libgrub_a_OBJECTS = $(am_libgrub_a_OBJECTS)
--PROGRAMS = $(noinst_PROGRAMS)
--am__objects_1 = diskless_exec-asm.$(OBJEXT) \
-- diskless_exec-bios.$(OBJEXT) diskless_exec-boot.$(OBJEXT) \
-- diskless_exec-builtins.$(OBJEXT) \
-- diskless_exec-char_io.$(OBJEXT) \
-- diskless_exec-cmdline.$(OBJEXT) diskless_exec-common.$(OBJEXT) \
-- diskless_exec-console.$(OBJEXT) \
-- diskless_exec-disk_io.$(OBJEXT) \
-- diskless_exec-fsys_ext2fs.$(OBJEXT) \
-- diskless_exec-fsys_fat.$(OBJEXT) \
-- diskless_exec-fsys_ffs.$(OBJEXT) \
-- diskless_exec-fsys_iso9660.$(OBJEXT) \
-- diskless_exec-fsys_jfs.$(OBJEXT) \
-- diskless_exec-fsys_minix.$(OBJEXT) \
-- diskless_exec-fsys_reiserfs.$(OBJEXT) \
-- diskless_exec-fsys_ufs2.$(OBJEXT) \
-- diskless_exec-fsys_vstafs.$(OBJEXT) \
-- diskless_exec-fsys_xfs.$(OBJEXT) \
-- diskless_exec-gunzip.$(OBJEXT) \
-- diskless_exec-hercules.$(OBJEXT) diskless_exec-md5.$(OBJEXT) \
-- diskless_exec-serial.$(OBJEXT) \
-- diskless_exec-smp-imps.$(OBJEXT) \
-- diskless_exec-stage2.$(OBJEXT) \
-- diskless_exec-terminfo.$(OBJEXT) diskless_exec-tparm.$(OBJEXT)
--am_diskless_exec_OBJECTS = $(am__objects_1)
--diskless_exec_OBJECTS = $(am_diskless_exec_OBJECTS)
--diskless_exec_DEPENDENCIES = ../netboot/libdrivers.a
--am_e2fs_stage1_5_exec_OBJECTS = e2fs_stage1_5_exec-start.$(OBJEXT) \
-- e2fs_stage1_5_exec-asm.$(OBJEXT) \
-- e2fs_stage1_5_exec-common.$(OBJEXT) \
-- e2fs_stage1_5_exec-char_io.$(OBJEXT) \
-- e2fs_stage1_5_exec-disk_io.$(OBJEXT) \
-- e2fs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- e2fs_stage1_5_exec-fsys_ext2fs.$(OBJEXT) \
-- e2fs_stage1_5_exec-bios.$(OBJEXT)
--e2fs_stage1_5_exec_OBJECTS = $(am_e2fs_stage1_5_exec_OBJECTS)
--e2fs_stage1_5_exec_LDADD = $(LDADD)
--am_fat_stage1_5_exec_OBJECTS = fat_stage1_5_exec-start.$(OBJEXT) \
-- fat_stage1_5_exec-asm.$(OBJEXT) \
-- fat_stage1_5_exec-common.$(OBJEXT) \
-- fat_stage1_5_exec-char_io.$(OBJEXT) \
-- fat_stage1_5_exec-disk_io.$(OBJEXT) \
-- fat_stage1_5_exec-stage1_5.$(OBJEXT) \
-- fat_stage1_5_exec-fsys_fat.$(OBJEXT) \
-- fat_stage1_5_exec-bios.$(OBJEXT)
--fat_stage1_5_exec_OBJECTS = $(am_fat_stage1_5_exec_OBJECTS)
--fat_stage1_5_exec_LDADD = $(LDADD)
--am_ffs_stage1_5_exec_OBJECTS = ffs_stage1_5_exec-start.$(OBJEXT) \
-- ffs_stage1_5_exec-asm.$(OBJEXT) \
-- ffs_stage1_5_exec-common.$(OBJEXT) \
-- ffs_stage1_5_exec-char_io.$(OBJEXT) \
-- ffs_stage1_5_exec-disk_io.$(OBJEXT) \
-- ffs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- ffs_stage1_5_exec-fsys_ffs.$(OBJEXT) \
-- ffs_stage1_5_exec-bios.$(OBJEXT)
--ffs_stage1_5_exec_OBJECTS = $(am_ffs_stage1_5_exec_OBJECTS)
--ffs_stage1_5_exec_LDADD = $(LDADD)
--am_iso9660_stage1_5_exec_OBJECTS = \
-- iso9660_stage1_5_exec-start_eltorito.$(OBJEXT) \
-- iso9660_stage1_5_exec-asm.$(OBJEXT) \
-- iso9660_stage1_5_exec-common.$(OBJEXT) \
-- iso9660_stage1_5_exec-char_io.$(OBJEXT) \
-- iso9660_stage1_5_exec-disk_io.$(OBJEXT) \
-- iso9660_stage1_5_exec-stage1_5.$(OBJEXT) \
-- iso9660_stage1_5_exec-fsys_iso9660.$(OBJEXT) \
-- iso9660_stage1_5_exec-bios.$(OBJEXT)
--iso9660_stage1_5_exec_OBJECTS = $(am_iso9660_stage1_5_exec_OBJECTS)
--iso9660_stage1_5_exec_LDADD = $(LDADD)
--am_jfs_stage1_5_exec_OBJECTS = jfs_stage1_5_exec-start.$(OBJEXT) \
-- jfs_stage1_5_exec-asm.$(OBJEXT) \
-- jfs_stage1_5_exec-common.$(OBJEXT) \
-- jfs_stage1_5_exec-char_io.$(OBJEXT) \
-- jfs_stage1_5_exec-disk_io.$(OBJEXT) \
-- jfs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- jfs_stage1_5_exec-fsys_jfs.$(OBJEXT) \
-- jfs_stage1_5_exec-bios.$(OBJEXT)
--jfs_stage1_5_exec_OBJECTS = $(am_jfs_stage1_5_exec_OBJECTS)
--jfs_stage1_5_exec_LDADD = $(LDADD)
--am_minix_stage1_5_exec_OBJECTS = minix_stage1_5_exec-start.$(OBJEXT) \
-- minix_stage1_5_exec-asm.$(OBJEXT) \
-- minix_stage1_5_exec-common.$(OBJEXT) \
-- minix_stage1_5_exec-char_io.$(OBJEXT) \
-- minix_stage1_5_exec-disk_io.$(OBJEXT) \
-- minix_stage1_5_exec-stage1_5.$(OBJEXT) \
-- minix_stage1_5_exec-fsys_minix.$(OBJEXT) \
-- minix_stage1_5_exec-bios.$(OBJEXT)
--minix_stage1_5_exec_OBJECTS = $(am_minix_stage1_5_exec_OBJECTS)
--minix_stage1_5_exec_LDADD = $(LDADD)
--am_nbloader_exec_OBJECTS = nbloader_exec-nbloader.$(OBJEXT)
--nbloader_exec_OBJECTS = $(am_nbloader_exec_OBJECTS)
--nbloader_exec_LDADD = $(LDADD)
--am_pre_stage2_exec_OBJECTS = pre_stage2_exec-asm.$(OBJEXT) \
-- pre_stage2_exec-bios.$(OBJEXT) pre_stage2_exec-boot.$(OBJEXT) \
-- pre_stage2_exec-builtins.$(OBJEXT) \
-- pre_stage2_exec-char_io.$(OBJEXT) \
-- pre_stage2_exec-cmdline.$(OBJEXT) \
-- pre_stage2_exec-common.$(OBJEXT) \
-- pre_stage2_exec-console.$(OBJEXT) \
-- pre_stage2_exec-disk_io.$(OBJEXT) \
-- pre_stage2_exec-fsys_ext2fs.$(OBJEXT) \
-- pre_stage2_exec-fsys_fat.$(OBJEXT) \
-- pre_stage2_exec-fsys_ffs.$(OBJEXT) \
-- pre_stage2_exec-fsys_iso9660.$(OBJEXT) \
-- pre_stage2_exec-fsys_jfs.$(OBJEXT) \
-- pre_stage2_exec-fsys_minix.$(OBJEXT) \
-- pre_stage2_exec-fsys_reiserfs.$(OBJEXT) \
-- pre_stage2_exec-fsys_ufs2.$(OBJEXT) \
-- pre_stage2_exec-fsys_vstafs.$(OBJEXT) \
-- pre_stage2_exec-fsys_xfs.$(OBJEXT) \
-- pre_stage2_exec-gunzip.$(OBJEXT) \
-- pre_stage2_exec-hercules.$(OBJEXT) \
-- pre_stage2_exec-md5.$(OBJEXT) pre_stage2_exec-serial.$(OBJEXT) \
-- pre_stage2_exec-smp-imps.$(OBJEXT) \
-- pre_stage2_exec-stage2.$(OBJEXT) \
-- pre_stage2_exec-terminfo.$(OBJEXT) \
-- pre_stage2_exec-tparm.$(OBJEXT)
--pre_stage2_exec_OBJECTS = $(am_pre_stage2_exec_OBJECTS)
--@NETBOOT_SUPPORT_TRUE@pre_stage2_exec_DEPENDENCIES = \
--@NETBOOT_SUPPORT_TRUE@ ../netboot/libdrivers.a
--am_pxeloader_exec_OBJECTS = pxeloader_exec-pxeloader.$(OBJEXT)
--pxeloader_exec_OBJECTS = $(am_pxeloader_exec_OBJECTS)
--pxeloader_exec_LDADD = $(LDADD)
--am_reiserfs_stage1_5_exec_OBJECTS = \
-- reiserfs_stage1_5_exec-start.$(OBJEXT) \
-- reiserfs_stage1_5_exec-asm.$(OBJEXT) \
-- reiserfs_stage1_5_exec-common.$(OBJEXT) \
-- reiserfs_stage1_5_exec-char_io.$(OBJEXT) \
-- reiserfs_stage1_5_exec-disk_io.$(OBJEXT) \
-- reiserfs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- reiserfs_stage1_5_exec-fsys_reiserfs.$(OBJEXT) \
-- reiserfs_stage1_5_exec-bios.$(OBJEXT)
--reiserfs_stage1_5_exec_OBJECTS = $(am_reiserfs_stage1_5_exec_OBJECTS)
--reiserfs_stage1_5_exec_LDADD = $(LDADD)
--am_start_exec_OBJECTS = start_exec-start.$(OBJEXT)
--start_exec_OBJECTS = $(am_start_exec_OBJECTS)
--start_exec_LDADD = $(LDADD)
--am_start_eltorito_exec_OBJECTS = \
-- start_eltorito_exec-start_eltorito.$(OBJEXT)
--start_eltorito_exec_OBJECTS = $(am_start_eltorito_exec_OBJECTS)
--start_eltorito_exec_LDADD = $(LDADD)
--am_ufs2_stage1_5_exec_OBJECTS = ufs2_stage1_5_exec-start.$(OBJEXT) \
-- ufs2_stage1_5_exec-asm.$(OBJEXT) \
-- ufs2_stage1_5_exec-common.$(OBJEXT) \
-- ufs2_stage1_5_exec-char_io.$(OBJEXT) \
-- ufs2_stage1_5_exec-disk_io.$(OBJEXT) \
-- ufs2_stage1_5_exec-stage1_5.$(OBJEXT) \
-- ufs2_stage1_5_exec-fsys_ufs2.$(OBJEXT) \
-- ufs2_stage1_5_exec-bios.$(OBJEXT)
--ufs2_stage1_5_exec_OBJECTS = $(am_ufs2_stage1_5_exec_OBJECTS)
--ufs2_stage1_5_exec_LDADD = $(LDADD)
--am_vstafs_stage1_5_exec_OBJECTS = \
-- vstafs_stage1_5_exec-start.$(OBJEXT) \
-- vstafs_stage1_5_exec-asm.$(OBJEXT) \
-- vstafs_stage1_5_exec-common.$(OBJEXT) \
-- vstafs_stage1_5_exec-char_io.$(OBJEXT) \
-- vstafs_stage1_5_exec-disk_io.$(OBJEXT) \
-- vstafs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- vstafs_stage1_5_exec-fsys_vstafs.$(OBJEXT) \
-- vstafs_stage1_5_exec-bios.$(OBJEXT)
--vstafs_stage1_5_exec_OBJECTS = $(am_vstafs_stage1_5_exec_OBJECTS)
--vstafs_stage1_5_exec_LDADD = $(LDADD)
--am_xfs_stage1_5_exec_OBJECTS = xfs_stage1_5_exec-start.$(OBJEXT) \
-- xfs_stage1_5_exec-asm.$(OBJEXT) \
-- xfs_stage1_5_exec-common.$(OBJEXT) \
-- xfs_stage1_5_exec-char_io.$(OBJEXT) \
-- xfs_stage1_5_exec-disk_io.$(OBJEXT) \
-- xfs_stage1_5_exec-stage1_5.$(OBJEXT) \
-- xfs_stage1_5_exec-fsys_xfs.$(OBJEXT) \
-- xfs_stage1_5_exec-bios.$(OBJEXT)
--xfs_stage1_5_exec_OBJECTS = $(am_xfs_stage1_5_exec_OBJECTS)
--xfs_stage1_5_exec_LDADD = $(LDADD)
--SCRIPTS = $(noinst_SCRIPTS)
--DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
--depcomp = $(SHELL) $(top_srcdir)/depcomp
--am__depfiles_maybe = depfiles
--CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
--COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
--CCLD = $(CC)
--LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
--SOURCES = $(libgrub_a_SOURCES) $(diskless_exec_SOURCES) \
-- $(e2fs_stage1_5_exec_SOURCES) $(fat_stage1_5_exec_SOURCES) \
-- $(ffs_stage1_5_exec_SOURCES) $(iso9660_stage1_5_exec_SOURCES) \
-- $(jfs_stage1_5_exec_SOURCES) $(minix_stage1_5_exec_SOURCES) \
-- $(nbloader_exec_SOURCES) $(pre_stage2_exec_SOURCES) \
-- $(pxeloader_exec_SOURCES) $(reiserfs_stage1_5_exec_SOURCES) \
-- $(start_exec_SOURCES) $(start_eltorito_exec_SOURCES) \
-- $(ufs2_stage1_5_exec_SOURCES) $(vstafs_stage1_5_exec_SOURCES) \
-- $(xfs_stage1_5_exec_SOURCES)
--DIST_SOURCES = $(libgrub_a_SOURCES) $(diskless_exec_SOURCES) \
-- $(e2fs_stage1_5_exec_SOURCES) $(fat_stage1_5_exec_SOURCES) \
-- $(ffs_stage1_5_exec_SOURCES) $(iso9660_stage1_5_exec_SOURCES) \
-- $(jfs_stage1_5_exec_SOURCES) $(minix_stage1_5_exec_SOURCES) \
-- $(nbloader_exec_SOURCES) $(pre_stage2_exec_SOURCES) \
-- $(pxeloader_exec_SOURCES) $(reiserfs_stage1_5_exec_SOURCES) \
-- $(start_exec_SOURCES) $(start_eltorito_exec_SOURCES) \
-- $(ufs2_stage1_5_exec_SOURCES) $(vstafs_stage1_5_exec_SOURCES) \
-- $(xfs_stage1_5_exec_SOURCES)
--am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
--am__vpath_adj = case $$p in \
-- $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
-- *) f=$$p;; \
-- esac;
--am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
--am__installdirs = "$(DESTDIR)$(pkglibdir)"
--pkglibDATA_INSTALL = $(INSTALL_DATA)
--DATA = $(noinst_DATA) $(pkglib_DATA)
--HEADERS = $(noinst_HEADERS)
--ETAGS = etags
--CTAGS = ctags
--DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
--
--# Stage 2 and Stage 1.5's.
--pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
--ACLOCAL = @ACLOCAL@
--AMDEP_FALSE = @AMDEP_FALSE@
--AMDEP_TRUE = @AMDEP_TRUE@
--AMTAR = @AMTAR@
--AUTOCONF = @AUTOCONF@
--AUTOHEADER = @AUTOHEADER@
--AUTOMAKE = @AUTOMAKE@
--AWK = @AWK@
--BUILD_EXAMPLE_KERNEL_FALSE = @BUILD_EXAMPLE_KERNEL_FALSE@
--BUILD_EXAMPLE_KERNEL_TRUE = @BUILD_EXAMPLE_KERNEL_TRUE@
--CC = @CC@
--CCAS = @CCAS@
--CCASFLAGS = @CCASFLAGS@
--CCDEPMODE = @CCDEPMODE@
--CFLAGS = @CFLAGS@
--CPP = @CPP@
--CPPFLAGS = @CPPFLAGS@
--CYGPATH_W = @CYGPATH_W@
--DEFS = @DEFS@
--DEPDIR = @DEPDIR@
--DISKLESS_SUPPORT_FALSE = @DISKLESS_SUPPORT_FALSE@
--DISKLESS_SUPPORT_TRUE = @DISKLESS_SUPPORT_TRUE@
--ECHO_C = @ECHO_C@
--ECHO_N = @ECHO_N@
--ECHO_T = @ECHO_T@
--EGREP = @EGREP@
--EXEEXT = @EXEEXT@
--FSYS_CFLAGS = @FSYS_CFLAGS@
--GRUB_CFLAGS = @GRUB_CFLAGS@
--GRUB_LIBS = @GRUB_LIBS@
--HERCULES_SUPPORT_FALSE = @HERCULES_SUPPORT_FALSE@
--HERCULES_SUPPORT_TRUE = @HERCULES_SUPPORT_TRUE@
--INSTALL_DATA = @INSTALL_DATA@
--INSTALL_PROGRAM = @INSTALL_PROGRAM@
--INSTALL_SCRIPT = @INSTALL_SCRIPT@
--INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
--LDFLAGS = @LDFLAGS@
--LIBOBJS = @LIBOBJS@
--LIBS = @LIBS@
--LTLIBOBJS = @LTLIBOBJS@
--MAINT = @MAINT@
--MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
--MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
--MAKEINFO = @MAKEINFO@
--NETBOOT_DRIVERS = @NETBOOT_DRIVERS@
--NETBOOT_SUPPORT_FALSE = @NETBOOT_SUPPORT_FALSE@
--NETBOOT_SUPPORT_TRUE = @NETBOOT_SUPPORT_TRUE@
--NET_CFLAGS = @NET_CFLAGS@
--NET_EXTRAFLAGS = @NET_EXTRAFLAGS@
--OBJCOPY = @OBJCOPY@
--OBJEXT = @OBJEXT@
--PACKAGE = @PACKAGE@
--PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
--PACKAGE_NAME = @PACKAGE_NAME@
--PACKAGE_STRING = @PACKAGE_STRING@
--PACKAGE_TARNAME = @PACKAGE_TARNAME@
--PACKAGE_VERSION = @PACKAGE_VERSION@
--PATH_SEPARATOR = @PATH_SEPARATOR@
--PERL = @PERL@
--RANLIB = @RANLIB@
--SERIAL_SPEED_SIMULATION_FALSE = @SERIAL_SPEED_SIMULATION_FALSE@
--SERIAL_SPEED_SIMULATION_TRUE = @SERIAL_SPEED_SIMULATION_TRUE@
--SERIAL_SUPPORT_FALSE = @SERIAL_SUPPORT_FALSE@
--SERIAL_SUPPORT_TRUE = @SERIAL_SUPPORT_TRUE@
--SET_MAKE = @SET_MAKE@
--SHELL = @SHELL@
--STAGE1_CFLAGS = @STAGE1_CFLAGS@
--STAGE2_CFLAGS = @STAGE2_CFLAGS@
--STRIP = @STRIP@
--VERSION = @VERSION@
--ac_ct_CC = @ac_ct_CC@
--ac_ct_OBJCOPY = @ac_ct_OBJCOPY@
--ac_ct_RANLIB = @ac_ct_RANLIB@
--ac_ct_STRIP = @ac_ct_STRIP@
--am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
--am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
--am__include = @am__include@
--am__leading_dot = @am__leading_dot@
--am__quote = @am__quote@
--am__tar = @am__tar@
--am__untar = @am__untar@
--bindir = @bindir@
--build = @build@
--build_alias = @build_alias@
--build_cpu = @build_cpu@
--build_os = @build_os@
--build_vendor = @build_vendor@
--datadir = @datadir@
--exec_prefix = @exec_prefix@
--host = @host@
--host_alias = @host_alias@
--host_cpu = @host_cpu@
--host_os = @host_os@
--host_vendor = @host_vendor@
--includedir = @includedir@
--infodir = @infodir@
--install_sh = @install_sh@
--libdir = @libdir@
--libexecdir = @libexecdir@
--localstatedir = @localstatedir@
--mandir = @mandir@
--mkdir_p = @mkdir_p@
--oldincludedir = @oldincludedir@
--prefix = @prefix@
--program_transform_name = @program_transform_name@
--sbindir = @sbindir@
--sharedstatedir = @sharedstatedir@
--sysconfdir = @sysconfdir@
--target_alias = @target_alias@
--
--# For test target.
--TESTS = size_test
--noinst_SCRIPTS = $(TESTS)
--
--# For dist target.
--noinst_HEADERS = apic.h defs.h dir.h disk_inode.h disk_inode_ffs.h \
-- fat.h filesys.h freebsd.h fs.h hercules.h i386-elf.h \
-- imgact_aout.h iso9660.h jfs.h mb_header.h mb_info.h md5.h \
-- nbi.h pc_slice.h serial.h shared.h smp-imps.h term.h \
-- terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h
--
--EXTRA_DIST = setjmp.S apm.S $(noinst_SCRIPTS)
--
--# For <stage1.h>.
--INCLUDES = -I$(top_srcdir)/stage1
--
--# The library for /sbin/grub.
--noinst_LIBRARIES = libgrub.a
--libgrub_a_SOURCES = boot.c builtins.c char_io.c cmdline.c common.c \
-- disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \
-- fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_ufs2.c \
-- fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c stage2.c \
-- terminfo.c tparm.c
--
--libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \
-- -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
-- -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \
-- -DFSYS_UFS2=1 -DFSYS_VSTAFS=1 -DFSYS_XFS=1 \
-- -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1
--
--@DISKLESS_SUPPORT_FALSE@pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
--@DISKLESS_SUPPORT_FALSE@ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
--@DISKLESS_SUPPORT_FALSE@ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5
--
--@DISKLESS_SUPPORT_TRUE@pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
--@DISKLESS_SUPPORT_TRUE@ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
--@DISKLESS_SUPPORT_TRUE@ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5 \
--@DISKLESS_SUPPORT_TRUE@ nbgrub pxegrub
--
--@DISKLESS_SUPPORT_FALSE@noinst_DATA = pre_stage2 start start_eltorito
--@DISKLESS_SUPPORT_TRUE@noinst_DATA = pre_stage2 start start_eltorito nbloader pxeloader diskless
--MOSTLYCLEANFILES = $(noinst_PROGRAMS)
--PRE_STAGE2_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8200
--START_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8000
--NBLOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,0
--PXELOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
--START_ELTORITO_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
--@NETBOOT_SUPPORT_FALSE@NETBOOT_FLAGS =
--@NETBOOT_SUPPORT_TRUE@NETBOOT_FLAGS = -I$(top_srcdir)/netboot -DSUPPORT_NETBOOT=1
--@SERIAL_SUPPORT_FALSE@SERIAL_FLAGS =
--@SERIAL_SUPPORT_TRUE@SERIAL_FLAGS = -DSUPPORT_SERIAL=1
--@HERCULES_SUPPORT_FALSE@HERCULES_FLAGS =
--@HERCULES_SUPPORT_TRUE@HERCULES_FLAGS = -DSUPPORT_HERCULES=1
--STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
-- $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS)
--
--STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000
--STAGE1_5_COMPILE = $(STAGE2_COMPILE) -DNO_DECOMPRESSION=1 -DSTAGE1_5=1
--
--# For stage2 target.
--pre_stage2_exec_SOURCES = asm.S bios.c boot.c builtins.c char_io.c \
-- cmdline.c common.c console.c disk_io.c fsys_ext2fs.c \
-- fsys_fat.c fsys_ffs.c fsys_iso9660.c fsys_jfs.c fsys_minix.c \
-- fsys_reiserfs.c fsys_ufs2.c fsys_vstafs.c fsys_xfs.c gunzip.c \
-- hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c
--
--pre_stage2_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
--pre_stage2_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
--pre_stage2_exec_LDFLAGS = $(PRE_STAGE2_LINK)
--@NETBOOT_SUPPORT_TRUE@pre_stage2_exec_LDADD = ../netboot/libdrivers.a
--@DISKLESS_SUPPORT_FALSE@BUILT_SOURCES = stage2_size.h
--@DISKLESS_SUPPORT_TRUE@BUILT_SOURCES = stage2_size.h diskless_size.h
--CLEANFILES = $(pkglib_DATA) $(noinst_DATA) $(BUILT_SOURCES)
--start_exec_SOURCES = start.S
--start_exec_CCASFLAGS = $(STAGE2_COMPILE)
--start_exec_LDFLAGS = $(START_LINK)
--start_eltorito_exec_SOURCES = start_eltorito.S
--start_eltorito_exec_CCASFLAGS = $(STAGE2_COMPILE)
--start_eltorito_exec_LDFLAGS = $(START_ELTORITO_LINK)
--
--# For e2fs_stage1_5 target.
--e2fs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-- stage1_5.c fsys_ext2fs.c bios.c
--
--e2fs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
-- -DNO_BLOCK_FILES=1
--
--e2fs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
-- -DNO_BLOCK_FILES=1
--
--e2fs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For fat_stage1_5 target.
--fat_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-- stage1_5.c fsys_fat.c bios.c
--
--fat_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
-- -DNO_BLOCK_FILES=1
--
--fat_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
-- -DNO_BLOCK_FILES=1
--
--fat_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For ffs_stage1_5 target.
--ffs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-- stage1_5.c fsys_ffs.c bios.c
--
--ffs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
-- -DNO_BLOCK_FILES=1
--
--ffs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
-- -DNO_BLOCK_FILES=1
--
--ffs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For ufs2_stage1_5 target.
--ufs2_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-- stage1_5.c fsys_ufs2.c bios.c
--
--ufs2_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
-- -DNO_BLOCK_FILES=1
--
--ufs2_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
-- -DNO_BLOCK_FILES=1
--
--ufs2_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For minix_stage1_5 target.
--minix_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
-- stage1_5.c fsys_minix.c bios.c
--
--minix_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
-- -DNO_BLOCK_FILES=1
--
--minix_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
-- -DNO_BLOCK_FILES=1
--
--minix_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For reiserfs_stage1_5 target.
--reiserfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-- disk_io.c stage1_5.c fsys_reiserfs.c bios.c
--
--reiserfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
-- -DNO_BLOCK_FILES=1
--
--reiserfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
-- -DNO_BLOCK_FILES=1
--
--reiserfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For vstafs_stage1_5 target.
--vstafs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-- disk_io.c stage1_5.c fsys_vstafs.c bios.c
--
--vstafs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
-- -DNO_BLOCK_FILES=1
--
--vstafs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
-- -DNO_BLOCK_FILES=1
--
--vstafs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For jfs_stage1_5 target.
--jfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-- disk_io.c stage1_5.c fsys_jfs.c bios.c
--
--jfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
-- -DNO_BLOCK_FILES=1
--
--jfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
-- -DNO_BLOCK_FILES=1
--
--jfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For xfs_stage1_5 target.
--xfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
-- disk_io.c stage1_5.c fsys_xfs.c bios.c
--
--xfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
-- -DNO_BLOCK_FILES=1
--
--xfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
-- -DNO_BLOCK_FILES=1
--
--xfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For iso9660_stage1_5 target.
--iso9660_stage1_5_exec_SOURCES = start_eltorito.S asm.S common.c char_io.c \
-- disk_io.c stage1_5.c fsys_iso9660.c bios.c
--
--iso9660_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
-- -DNO_BLOCK_FILES=1
--
--iso9660_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
-- -DNO_BLOCK_FILES=1
--
--iso9660_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
--
--# For diskless target.
--diskless_exec_SOURCES = $(pre_stage2_exec_SOURCES)
--diskless_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
-- -DSUPPORT_DISKLESS=1
--
--diskless_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
-- -DSUPPORT_DISKLESS=1
--
--diskless_exec_LDFLAGS = $(PRE_STAGE2_LINK)
--diskless_exec_LDADD = ../netboot/libdrivers.a
--
--# For nbloader target.
--nbloader_exec_SOURCES = nbloader.S
--nbloader_exec_CCASFLAGS = $(STAGE2_COMPILE)
--nbloader_exec_LDFLAGS = $(NBLOADER_LINK)
--
--# For pxeloader target.
--pxeloader_exec_SOURCES = pxeloader.S
--pxeloader_exec_CCASFLAGS = $(STAGE2_COMPILE)
--pxeloader_exec_LDFLAGS = $(PXELOADER_LINK)
--
--# General rule for making a raw binary.
--SUFFIXES = .exec
--all: $(BUILT_SOURCES)
-- $(MAKE) $(AM_MAKEFLAGS) all-am
--
--.SUFFIXES:
--.SUFFIXES: .exec .S .c .o .obj
--$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
-- @for dep in $?; do \
-- case '$(am__configure_deps)' in \
-- *$$dep*) \
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-- && exit 0; \
-- exit 1;; \
-- esac; \
-- done; \
-- echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu stage2/Makefile'; \
-- cd $(top_srcdir) && \
-- $(AUTOMAKE) --gnu stage2/Makefile
--.PRECIOUS: Makefile
--Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-- @case '$?' in \
-- *config.status*) \
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-- *) \
-- echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-- cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
-- esac;
--
--$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--
--$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
-- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
--
--clean-noinstLIBRARIES:
-- -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
--libgrub.a: $(libgrub_a_OBJECTS) $(libgrub_a_DEPENDENCIES)
-- -rm -f libgrub.a
-- $(libgrub_a_AR) libgrub.a $(libgrub_a_OBJECTS) $(libgrub_a_LIBADD)
-- $(RANLIB) libgrub.a
--
--clean-noinstPROGRAMS:
-- -test -z "$(noinst_PROGRAMS)" || rm -f $(noinst_PROGRAMS)
--diskless.exec$(EXEEXT): $(diskless_exec_OBJECTS) $(diskless_exec_DEPENDENCIES)
-- @rm -f diskless.exec$(EXEEXT)
-- $(LINK) $(diskless_exec_LDFLAGS) $(diskless_exec_OBJECTS) $(diskless_exec_LDADD) $(LIBS)
--e2fs_stage1_5.exec$(EXEEXT): $(e2fs_stage1_5_exec_OBJECTS) $(e2fs_stage1_5_exec_DEPENDENCIES)
-- @rm -f e2fs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(e2fs_stage1_5_exec_LDFLAGS) $(e2fs_stage1_5_exec_OBJECTS) $(e2fs_stage1_5_exec_LDADD) $(LIBS)
--fat_stage1_5.exec$(EXEEXT): $(fat_stage1_5_exec_OBJECTS) $(fat_stage1_5_exec_DEPENDENCIES)
-- @rm -f fat_stage1_5.exec$(EXEEXT)
-- $(LINK) $(fat_stage1_5_exec_LDFLAGS) $(fat_stage1_5_exec_OBJECTS) $(fat_stage1_5_exec_LDADD) $(LIBS)
--ffs_stage1_5.exec$(EXEEXT): $(ffs_stage1_5_exec_OBJECTS) $(ffs_stage1_5_exec_DEPENDENCIES)
-- @rm -f ffs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(ffs_stage1_5_exec_LDFLAGS) $(ffs_stage1_5_exec_OBJECTS) $(ffs_stage1_5_exec_LDADD) $(LIBS)
--iso9660_stage1_5.exec$(EXEEXT): $(iso9660_stage1_5_exec_OBJECTS) $(iso9660_stage1_5_exec_DEPENDENCIES)
-- @rm -f iso9660_stage1_5.exec$(EXEEXT)
-- $(LINK) $(iso9660_stage1_5_exec_LDFLAGS) $(iso9660_stage1_5_exec_OBJECTS) $(iso9660_stage1_5_exec_LDADD) $(LIBS)
--jfs_stage1_5.exec$(EXEEXT): $(jfs_stage1_5_exec_OBJECTS) $(jfs_stage1_5_exec_DEPENDENCIES)
-- @rm -f jfs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(jfs_stage1_5_exec_LDFLAGS) $(jfs_stage1_5_exec_OBJECTS) $(jfs_stage1_5_exec_LDADD) $(LIBS)
--minix_stage1_5.exec$(EXEEXT): $(minix_stage1_5_exec_OBJECTS) $(minix_stage1_5_exec_DEPENDENCIES)
-- @rm -f minix_stage1_5.exec$(EXEEXT)
-- $(LINK) $(minix_stage1_5_exec_LDFLAGS) $(minix_stage1_5_exec_OBJECTS) $(minix_stage1_5_exec_LDADD) $(LIBS)
--nbloader.exec$(EXEEXT): $(nbloader_exec_OBJECTS) $(nbloader_exec_DEPENDENCIES)
-- @rm -f nbloader.exec$(EXEEXT)
-- $(LINK) $(nbloader_exec_LDFLAGS) $(nbloader_exec_OBJECTS) $(nbloader_exec_LDADD) $(LIBS)
--pre_stage2.exec$(EXEEXT): $(pre_stage2_exec_OBJECTS) $(pre_stage2_exec_DEPENDENCIES)
-- @rm -f pre_stage2.exec$(EXEEXT)
-- $(LINK) $(pre_stage2_exec_LDFLAGS) $(pre_stage2_exec_OBJECTS) $(pre_stage2_exec_LDADD) $(LIBS)
--pxeloader.exec$(EXEEXT): $(pxeloader_exec_OBJECTS) $(pxeloader_exec_DEPENDENCIES)
-- @rm -f pxeloader.exec$(EXEEXT)
-- $(LINK) $(pxeloader_exec_LDFLAGS) $(pxeloader_exec_OBJECTS) $(pxeloader_exec_LDADD) $(LIBS)
--reiserfs_stage1_5.exec$(EXEEXT): $(reiserfs_stage1_5_exec_OBJECTS) $(reiserfs_stage1_5_exec_DEPENDENCIES)
-- @rm -f reiserfs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(reiserfs_stage1_5_exec_LDFLAGS) $(reiserfs_stage1_5_exec_OBJECTS) $(reiserfs_stage1_5_exec_LDADD) $(LIBS)
--start.exec$(EXEEXT): $(start_exec_OBJECTS) $(start_exec_DEPENDENCIES)
-- @rm -f start.exec$(EXEEXT)
-- $(LINK) $(start_exec_LDFLAGS) $(start_exec_OBJECTS) $(start_exec_LDADD) $(LIBS)
--start_eltorito.exec$(EXEEXT): $(start_eltorito_exec_OBJECTS) $(start_eltorito_exec_DEPENDENCIES)
-- @rm -f start_eltorito.exec$(EXEEXT)
-- $(LINK) $(start_eltorito_exec_LDFLAGS) $(start_eltorito_exec_OBJECTS) $(start_eltorito_exec_LDADD) $(LIBS)
--ufs2_stage1_5.exec$(EXEEXT): $(ufs2_stage1_5_exec_OBJECTS) $(ufs2_stage1_5_exec_DEPENDENCIES)
-- @rm -f ufs2_stage1_5.exec$(EXEEXT)
-- $(LINK) $(ufs2_stage1_5_exec_LDFLAGS) $(ufs2_stage1_5_exec_OBJECTS) $(ufs2_stage1_5_exec_LDADD) $(LIBS)
--vstafs_stage1_5.exec$(EXEEXT): $(vstafs_stage1_5_exec_OBJECTS) $(vstafs_stage1_5_exec_DEPENDENCIES)
-- @rm -f vstafs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(vstafs_stage1_5_exec_LDFLAGS) $(vstafs_stage1_5_exec_OBJECTS) $(vstafs_stage1_5_exec_LDADD) $(LIBS)
--xfs_stage1_5.exec$(EXEEXT): $(xfs_stage1_5_exec_OBJECTS) $(xfs_stage1_5_exec_DEPENDENCIES)
-- @rm -f xfs_stage1_5.exec$(EXEEXT)
-- $(LINK) $(xfs_stage1_5_exec_LDFLAGS) $(xfs_stage1_5_exec_OBJECTS) $(xfs_stage1_5_exec_LDADD) $(LIBS)
--
--mostlyclean-compile:
-- -rm -f *.$(OBJEXT)
--
--distclean-compile:
-- -rm -f *.tab.c
--
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-bios.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-boot.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-builtins.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-char_io.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-cmdline.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-common.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-console.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-disk_io.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_ext2fs.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_fat.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_ffs.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_iso9660.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_jfs.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_minix.Po@am__quote@
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/diskless_exec-fsys_reiserfs.Po@am__quote@
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--
--.S.o:
-- $(CCASCOMPILE) -c $<
--
--.S.obj:
-- $(CCASCOMPILE) -c `$(CYGPATH_W) '$<'`
--
--diskless_exec-asm.o: asm.S
-- $(CCAS) $(diskless_exec_CCASFLAGS) $(CCASFLAGS) -c -o diskless_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--diskless_exec-asm.obj: asm.S
-- $(CCAS) $(diskless_exec_CCASFLAGS) $(CCASFLAGS) -c -o diskless_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--e2fs_stage1_5_exec-start.o: start.S
-- $(CCAS) $(e2fs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o e2fs_stage1_5_exec-start.o `test -f 'start.S' || echo '$(srcdir)/'`start.S
--
--e2fs_stage1_5_exec-start.obj: start.S
-- $(CCAS) $(e2fs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o e2fs_stage1_5_exec-start.obj `if test -f 'start.S'; then $(CYGPATH_W) 'start.S'; else $(CYGPATH_W) '$(srcdir)/start.S'; fi`
--
--e2fs_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(e2fs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o e2fs_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--e2fs_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(e2fs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o e2fs_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--fat_stage1_5_exec-start.o: start.S
-- $(CCAS) $(fat_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o fat_stage1_5_exec-start.o `test -f 'start.S' || echo '$(srcdir)/'`start.S
--
--fat_stage1_5_exec-start.obj: start.S
-- $(CCAS) $(fat_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o fat_stage1_5_exec-start.obj `if test -f 'start.S'; then $(CYGPATH_W) 'start.S'; else $(CYGPATH_W) '$(srcdir)/start.S'; fi`
--
--fat_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(fat_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o fat_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--fat_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(fat_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o fat_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--ffs_stage1_5_exec-start.o: start.S
-- $(CCAS) $(ffs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o ffs_stage1_5_exec-start.o `test -f 'start.S' || echo '$(srcdir)/'`start.S
--
--ffs_stage1_5_exec-start.obj: start.S
-- $(CCAS) $(ffs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o ffs_stage1_5_exec-start.obj `if test -f 'start.S'; then $(CYGPATH_W) 'start.S'; else $(CYGPATH_W) '$(srcdir)/start.S'; fi`
--
--ffs_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(ffs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o ffs_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--ffs_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(ffs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o ffs_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--iso9660_stage1_5_exec-start_eltorito.o: start_eltorito.S
-- $(CCAS) $(iso9660_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o iso9660_stage1_5_exec-start_eltorito.o `test -f 'start_eltorito.S' || echo '$(srcdir)/'`start_eltorito.S
--
--iso9660_stage1_5_exec-start_eltorito.obj: start_eltorito.S
-- $(CCAS) $(iso9660_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o iso9660_stage1_5_exec-start_eltorito.obj `if test -f 'start_eltorito.S'; then $(CYGPATH_W) 'start_eltorito.S'; else $(CYGPATH_W) '$(srcdir)/start_eltorito.S'; fi`
--
--iso9660_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(iso9660_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o iso9660_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--iso9660_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(iso9660_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o iso9660_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--jfs_stage1_5_exec-start.o: start.S
-- $(CCAS) $(jfs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o jfs_stage1_5_exec-start.o `test -f 'start.S' || echo '$(srcdir)/'`start.S
--
--jfs_stage1_5_exec-start.obj: start.S
-- $(CCAS) $(jfs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o jfs_stage1_5_exec-start.obj `if test -f 'start.S'; then $(CYGPATH_W) 'start.S'; else $(CYGPATH_W) '$(srcdir)/start.S'; fi`
--
--jfs_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(jfs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o jfs_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--jfs_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(jfs_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o jfs_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--minix_stage1_5_exec-start.o: start.S
-- $(CCAS) $(minix_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o minix_stage1_5_exec-start.o `test -f 'start.S' || echo '$(srcdir)/'`start.S
--
--minix_stage1_5_exec-start.obj: start.S
-- $(CCAS) $(minix_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o minix_stage1_5_exec-start.obj `if test -f 'start.S'; then $(CYGPATH_W) 'start.S'; else $(CYGPATH_W) '$(srcdir)/start.S'; fi`
--
--minix_stage1_5_exec-asm.o: asm.S
-- $(CCAS) $(minix_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o minix_stage1_5_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
--minix_stage1_5_exec-asm.obj: asm.S
-- $(CCAS) $(minix_stage1_5_exec_CCASFLAGS) $(CCASFLAGS) -c -o minix_stage1_5_exec-asm.obj `if test -f 'asm.S'; then $(CYGPATH_W) 'asm.S'; else $(CYGPATH_W) '$(srcdir)/asm.S'; fi`
--
--nbloader_exec-nbloader.o: nbloader.S
-- $(CCAS) $(nbloader_exec_CCASFLAGS) $(CCASFLAGS) -c -o nbloader_exec-nbloader.o `test -f 'nbloader.S' || echo '$(srcdir)/'`nbloader.S
--
--nbloader_exec-nbloader.obj: nbloader.S
-- $(CCAS) $(nbloader_exec_CCASFLAGS) $(CCASFLAGS) -c -o nbloader_exec-nbloader.obj `if test -f 'nbloader.S'; then $(CYGPATH_W) 'nbloader.S'; else $(CYGPATH_W) '$(srcdir)/nbloader.S'; fi`
--
--pre_stage2_exec-asm.o: asm.S
-- $(CCAS) $(pre_stage2_exec_CCASFLAGS) $(CCASFLAGS) -c -o pre_stage2_exec-asm.o `test -f 'asm.S' || echo '$(srcdir)/'`asm.S
--
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--
--xfs_stage1_5_exec-bios.o: bios.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(xfs_stage1_5_exec_CFLAGS) $(CFLAGS) -MT xfs_stage1_5_exec-bios.o -MD -MP -MF "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo" -c -o xfs_stage1_5_exec-bios.o `test -f 'bios.c' || echo '$(srcdir)/'`bios.c; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo" "$(DEPDIR)/xfs_stage1_5_exec-bios.Po"; else rm -f "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo"; exit 1; fi
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='bios.c' object='xfs_stage1_5_exec-bios.o' libtool=no @AMDEPBACKSLASH@
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
--@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(xfs_stage1_5_exec_CFLAGS) $(CFLAGS) -c -o xfs_stage1_5_exec-bios.o `test -f 'bios.c' || echo '$(srcdir)/'`bios.c
--
--xfs_stage1_5_exec-bios.obj: bios.c
--@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(xfs_stage1_5_exec_CFLAGS) $(CFLAGS) -MT xfs_stage1_5_exec-bios.obj -MD -MP -MF "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo" -c -o xfs_stage1_5_exec-bios.obj `if test -f 'bios.c'; then $(CYGPATH_W) 'bios.c'; else $(CYGPATH_W) '$(srcdir)/bios.c'; fi`; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo" "$(DEPDIR)/xfs_stage1_5_exec-bios.Po"; else rm -f "$(DEPDIR)/xfs_stage1_5_exec-bios.Tpo"; exit 1; fi
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='bios.c' object='xfs_stage1_5_exec-bios.obj' libtool=no @AMDEPBACKSLASH@
--@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
--@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(xfs_stage1_5_exec_CFLAGS) $(CFLAGS) -c -o xfs_stage1_5_exec-bios.obj `if test -f 'bios.c'; then $(CYGPATH_W) 'bios.c'; else $(CYGPATH_W) '$(srcdir)/bios.c'; fi`
--uninstall-info-am:
--install-pkglibDATA: $(pkglib_DATA)
-- @$(NORMAL_INSTALL)
-- test -z "$(pkglibdir)" || $(mkdir_p) "$(DESTDIR)$(pkglibdir)"
-- @list='$(pkglib_DATA)'; for p in $$list; do \
-- if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-- f=$(am__strip_dir) \
-- echo " $(pkglibDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(pkglibdir)/$$f'"; \
-- $(pkglibDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(pkglibdir)/$$f"; \
-- done
--
--uninstall-pkglibDATA:
-- @$(NORMAL_UNINSTALL)
-- @list='$(pkglib_DATA)'; for p in $$list; do \
-- f=$(am__strip_dir) \
-- echo " rm -f '$(DESTDIR)$(pkglibdir)/$$f'"; \
-- rm -f "$(DESTDIR)$(pkglibdir)/$$f"; \
-- done
--
--ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- mkid -fID $$unique
--tags: TAGS
--
--TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
-- test -n "$$unique" || unique=$$empty_fix; \
-- $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-- $$tags $$unique; \
-- fi
--ctags: CTAGS
--CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-- unique=`for i in $$list; do \
-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-- done | \
-- $(AWK) ' { files[$$0] = 1; } \
-- END { for (i in files) print i; }'`; \
-- test -z "$(CTAGS_ARGS)$$tags$$unique" \
-- || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-- $$tags $$unique
--
--GTAGS:
-- here=`$(am__cd) $(top_builddir) && pwd` \
-- && cd $(top_srcdir) \
-- && gtags -i $(GTAGS_ARGS) $$here
--
--distclean-tags:
-- -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
--
--check-TESTS: $(TESTS)
-- @failed=0; all=0; xfail=0; xpass=0; skip=0; \
-- srcdir=$(srcdir); export srcdir; \
-- list='$(TESTS)'; \
-- if test -n "$$list"; then \
-- for tst in $$list; do \
-- if test -f ./$$tst; then dir=./; \
-- elif test -f $$tst; then dir=; \
-- else dir="$(srcdir)/"; fi; \
-- if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
-- all=`expr $$all + 1`; \
-- case " $(XFAIL_TESTS) " in \
-- *" $$tst "*) \
-- xpass=`expr $$xpass + 1`; \
-- failed=`expr $$failed + 1`; \
-- echo "XPASS: $$tst"; \
-- ;; \
-- *) \
-- echo "PASS: $$tst"; \
-- ;; \
-- esac; \
-- elif test $$? -ne 77; then \
-- all=`expr $$all + 1`; \
-- case " $(XFAIL_TESTS) " in \
-- *" $$tst "*) \
-- xfail=`expr $$xfail + 1`; \
-- echo "XFAIL: $$tst"; \
-- ;; \
-- *) \
-- failed=`expr $$failed + 1`; \
-- echo "FAIL: $$tst"; \
-- ;; \
-- esac; \
-- else \
-- skip=`expr $$skip + 1`; \
-- echo "SKIP: $$tst"; \
-- fi; \
-- done; \
-- if test "$$failed" -eq 0; then \
-- if test "$$xfail" -eq 0; then \
-- banner="All $$all tests passed"; \
-- else \
-- banner="All $$all tests behaved as expected ($$xfail expected failures)"; \
-- fi; \
-- else \
-- if test "$$xpass" -eq 0; then \
-- banner="$$failed of $$all tests failed"; \
-- else \
-- banner="$$failed of $$all tests did not behave as expected ($$xpass unexpected passes)"; \
-- fi; \
-- fi; \
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-- if test "$$skip" -ne 0; then \
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-- test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
-- dashes="$$skipped"; \
-- fi; \
-- report=""; \
-- if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
-- report="Please report to $(PACKAGE_BUGREPORT)"; \
-- test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
-- dashes="$$report"; \
-- fi; \
-- dashes=`echo "$$dashes" | sed s/./=/g`; \
-- echo "$$dashes"; \
-- echo "$$banner"; \
-- test -z "$$skipped" || echo "$$skipped"; \
-- test -z "$$report" || echo "$$report"; \
-- echo "$$dashes"; \
-- test "$$failed" -eq 0; \
-- else :; fi
--
--distdir: $(DISTFILES)
-- @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
-- topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
-- list='$(DISTFILES)'; for file in $$list; do \
-- case $$file in \
-- $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
-- $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
-- esac; \
-- if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
-- dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
-- if test "$$dir" != "$$file" && test "$$dir" != "."; then \
-- dir="/$$dir"; \
-- $(mkdir_p) "$(distdir)$$dir"; \
-- else \
-- dir=''; \
-- fi; \
-- if test -d $$d/$$file; then \
-- if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-- cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
-- fi; \
-- cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
-- else \
-- test -f $(distdir)/$$file \
-- || cp -p $$d/$$file $(distdir)/$$file \
-- || exit 1; \
-- fi; \
-- done
--check-am: all-am
-- $(MAKE) $(AM_MAKEFLAGS) check-TESTS
--check: $(BUILT_SOURCES)
-- $(MAKE) $(AM_MAKEFLAGS) check-am
--all-am: Makefile $(LIBRARIES) $(PROGRAMS) $(SCRIPTS) $(DATA) \
-- $(HEADERS)
--installdirs:
-- for dir in "$(DESTDIR)$(pkglibdir)"; do \
-- test -z "$$dir" || $(mkdir_p) "$$dir"; \
-- done
--install: $(BUILT_SOURCES)
-- $(MAKE) $(AM_MAKEFLAGS) install-am
--install-exec: install-exec-am
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--install-am: all-am
-- @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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--installcheck: installcheck-am
--install-strip:
-- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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-- `test -z '$(STRIP)' || \
-- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
--mostlyclean-generic:
-- -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
--
--clean-generic:
-- -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
--
--distclean-generic:
-- -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
--
--maintainer-clean-generic:
-- @echo "This command is intended for maintainers to use"
-- @echo "it deletes files that may require special tools to rebuild."
-- -test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
--clean: clean-am
--
--clean-am: clean-generic clean-noinstLIBRARIES clean-noinstPROGRAMS \
-- mostlyclean-am
--
--distclean: distclean-am
-- -rm -rf ./$(DEPDIR)
-- -rm -f Makefile
--distclean-am: clean-am distclean-compile distclean-generic \
-- distclean-tags
--
--dvi: dvi-am
--
--dvi-am:
--
--html: html-am
--
--info: info-am
--
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--
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--
--install-info: install-info-am
--
--install-man:
--
--installcheck-am:
--
--maintainer-clean: maintainer-clean-am
-- -rm -rf ./$(DEPDIR)
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--mostlyclean-am: mostlyclean-compile mostlyclean-generic
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--pdf-am:
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-- distdir dvi dvi-am html html-am info info-am install \
-- install-am install-data install-data-am install-exec \
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-- mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
-- ps ps-am tags uninstall uninstall-am uninstall-info-am \
-- uninstall-pkglibDATA
--
--
--stage2_size.h: pre_stage2
-- -rm -f stage2_size.h
-- set dummy `ls -l pre_stage2`; \
-- echo "#define STAGE2_SIZE $$6" > stage2_size.h
--
--# XXX: automake doesn't provide a way to specify dependencies for object
--# files explicitly, so we must write this by a general Makefile scheme.
--# If automake change the naming scheme for per-executable objects, this
--# will be broken.
--start_exec-start.$(OBJEXT): stage2_size.h
--
--stage2: pre_stage2 start
-- -rm -f stage2
-- cat start pre_stage2 > stage2
--
--start_eltorito_exec-start.$(OBJEXT): stage2_size.h
--
--stage2_eltorito: pre_stage2 start_eltorito
-- -rm -f stage2_eltorito
-- cat start_eltorito pre_stage2 > stage2_eltorito
--
--diskless_size.h: diskless
-- -rm -f $@
-- set dummy `ls -l $^`; \
-- echo "#define DISKLESS_SIZE $$6" > $@
--
--# XXX: See the comment for start_exec-start.o.
--nbloader_exec-nbloader.$(OBJEXT): diskless_size.h
--
--# For nbgrub target.
--nbgrub: nbloader diskless
-- -rm -f $@
-- cat $^ > $@
--
--# XXX: See the comment for start_exec-start.o.
--pxeloader_exec-pxeloader.$(OBJEXT): diskless_size.h
--
--# For pxegrub target.
--pxegrub: pxeloader diskless
-- -rm -f $@
-- cat $^ > $@
--.exec:
-- $(OBJCOPY) -O binary $< $@
--# Tell versions [3.59,3.63) of GNU make to not export all variables.
--# Otherwise a system limit (for SysV at least) may be exceeded.
--.NOEXPORT:
-diff --git a/stage2/asm.S b/stage2/asm.S
-index 34b6e7d..5c4dd5e 100644
---- a/stage2/asm.S
-+++ b/stage2/asm.S
-@@ -98,7 +98,7 @@ VARIABLE(version_string)
- .string VERSION
- VARIABLE(config_file)
- #ifndef STAGE1_5
-- .string "/boot/grub/menu.lst"
-+ .string "/boot/grub/grub.conf"
- #else /* STAGE1_5 */
- .long 0xffffffff
- .string "/boot/grub/stage2"
-@@ -1622,36 +1622,78 @@ ENTRY(set_vbe_mode)
- */
-
- ENTRY(gateA20)
-+ pushl %ebx
-+ pushl %edx
-+ call testA20
-+ jnz 1f
-+ call A20_BIOS
-+ call testA20
-+ jnz 1f
-+ call A20_PORT92
-+ call testA20
-+ jnz 1f
-+ call A20_KBDCTL
-+ call testA20
-+ jnz 1f
-+ movl $0,%eax
-+ jmp 2f
-+1:
-+ movl $-1,%eax
-+2:
-+ popl %edx
-+ popl %ebx
-+ ret
-+
-+testA20:
-+ movl 0x500,%eax
-+ movl 0x100500,%ebx
-+ notl %eax
-+ movl %eax,0x100500
-+ cmpl %eax,0x500
-+ pushfl
-+ movl %ebx,0x100500
-+ notl %eax
-+ movl %eax,0x500
-+ popfl
-+ ret
-+
-+A20_BIOS:
- /* first, try a BIOS call */
-- pushl %ebp
-- movl 8(%esp), %edx
-
- call EXT_C(prot_to_real)
-
- .code16
-- movw $0x2400, %ax
-- testw %dx, %dx
-- jz 1f
-- incw %ax
-+ movw $0x2401, %ax
- 1: stc
- int $0x15
-- jnc 2f
--
-- /* set non-zero if failed */
-- movb $1, %ah
--
-- /* save the status */
--2: movb %ah, %dl
-
- DATA32 call EXT_C(real_to_prot)
- .code32
-+ ret
-
-- popl %ebp
-- testb %dl, %dl
-- jnz 3f
-+A20_PORT92:
-+ /*
-+ * try to switch gateA20 using PORT92, the "Fast A20 and Init"
-+ * register
-+ */
-+ mov $0x92, %dx
-+ inb %dx, %al
-+ /* skip the port92 code if it's unimplemented (read returns 0xff) */
-+ cmpb $0xff, %al
-+ jz 6f
-+
-+ /* set bit1, the ALT_A20_GATE bit */
-+ orb $2, %al
-+ /* and $0xfd, %al */
-+
-+ /* clear the INIT_NOW bit; don't accidently reset the machine */
-+ and $0xfe, %al
-+ outb %al, %dx
-+6:
- ret
-
--3: /* use keyboard controller */
-+A20_KBDCTL:
-+ /* use keyboard controller */
- pushl %eax
-
- call gloop1
-@@ -1665,11 +1707,7 @@ gloopint1:
- jnz gloopint1
-
- movb $KB_OUTPUT_MASK, %al
-- cmpb $0, 0x8(%esp)
-- jz gdoit
--
- orb $KB_A20_ENABLE, %al
--gdoit:
- outb $K_RDWR
-
- call gloop1
-@@ -1994,8 +2032,25 @@ ENTRY(console_getkey)
- call EXT_C(prot_to_real)
- .code16
-
-+.again:
-+ mov $0x11, %ah /* poll kbd */
- int $0x16
-
-+ jz .again
-+#if 0
-+/* XXX handle serial here? -- pj */
-+ jnz .kbd
-+#endif
-+.kbd:
-+ mov $0x10, %ah
-+ int $0x16
-+ cmp $0xe0, %al
-+ jnz .not_ext
-+ xor %al, %al
-+.not_ext:
-+ and %al, %al
-+ jz .func_key
-+.func_key:
- movw %ax, %dx /* real_to_prot uses %eax */
- call translate_keycode
- call remap_ascii_char
-@@ -2003,7 +2058,7 @@ ENTRY(console_getkey)
- DATA32 call EXT_C(real_to_prot)
- .code32
-
-- movw %dx, %ax
-+ mov %dx, %ax
-
- pop %ebp
- ret
-@@ -2029,7 +2084,7 @@ ENTRY(console_checkkey)
- call EXT_C(prot_to_real) /* enter real mode */
- .code16
-
-- movb $0x1, %ah
-+ movb $0x11, %ah
- int $0x16
-
- DATA32 jz notpending
-@@ -2051,6 +2106,37 @@ pending:
- pop %ebp
- ret
-
-+
-+/*
-+ * int console_keystatus (void)
-+ * BIOS call "INT 16H Function 02H" to get keyboard modifier status
-+ * Call with %ah = 0x2
-+ * Return: %al = keyboard state:
-+ * bit 3: alt key down
-+ * bit 2: ctrl key down
-+ * bit 1: left shift key down
-+ * bit 0: right shift key down
-+ */
-+ENTRY(console_keystatus)
-+ push %ebp
-+
-+ call EXT_C(prot_to_real)
-+ .code16
-+
-+ movb $0x12, %ah
-+ int $0x16
-+ movw %ax, %dx
-+
-+ DATA32 call EXT_C(real_to_prot)
-+ .code32
-+
-+ movw %dx, %ax
-+
-+ /* Mask out numlock, capslock and insert state. */
-+ andl $0x0f0f, %eax
-+ pop %ebp
-+ ret
-+
-
- /*
- * int console_getxy (void)
-@@ -2216,6 +2302,156 @@ ENTRY(console_setcursor)
- pop %ebx
- pop %ebp
- ret
-+
-+/* graphics mode functions */
-+#ifdef SUPPORT_GRAPHICS
-+VARIABLE(cursorX)
-+.word 0
-+VARIABLE(cursorY)
-+.word 0
-+VARIABLE(cursorCount)
-+.word 0
-+VARIABLE(cursorBuf)
-+.byte 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-+
-+
-+/*
-+ * int set_videomode(mode)
-+ * BIOS call "INT 10H Function 0h" to set video mode
-+ * Call with %ah = 0x0
-+ * %al = video mode
-+ * Returns old videomode.
-+ */
-+ENTRY(set_videomode)
-+ push %ebp
-+ push %ebx
-+ push %ecx
-+
-+ movb 0x10(%esp), %cl
-+
-+ call EXT_C(prot_to_real)
-+ .code16
-+
-+ xorw %bx, %bx
-+ movb $0xf, %ah
-+ int $0x10 /* Get Current Video mode */
-+ movb %al, %ch
-+ xorb %ah, %ah
-+ movb %cl, %al
-+ int $0x10 /* Set Video mode */
-+
-+ DATA32 call EXT_C(real_to_prot)
-+ .code32
-+
-+ xorb %ah, %ah
-+ movb %ch, %al
-+
-+ pop %ecx
-+ pop %ebx
-+ pop %ebp
-+ ret
-+
-+
-+/*
-+ * unsigned char * graphics_get_font()
-+ * BIOS call "INT 10H Function 11h" to set font
-+ * Call with %ah = 0x11
-+ */
-+ENTRY(graphics_get_font)
-+ push %ebp
-+ push %ebx
-+ push %ecx
-+ push %edx
-+
-+ call EXT_C(prot_to_real)
-+ .code16
-+
-+ movw $0x1130, %ax
-+ movb $6, %bh /* font 8x16 */
-+ int $0x10
-+ movw %bp, %dx
-+ movw %es, %cx
-+
-+ DATA32 call EXT_C(real_to_prot)
-+ .code32
-+
-+ xorl %eax, %eax
-+ movw %cx, %ax
-+ shll $4, %eax
-+ movw %dx, %ax
-+
-+ pop %edx
-+ pop %ecx
-+ pop %ebx
-+ pop %ebp
-+ ret
-+
-+
-+
-+/*
-+ * graphics_set_palette(index, red, green, blue)
-+ * BIOS call "INT 10H Function 10h" to set individual dac register
-+ * Call with %ah = 0x10
-+ * %bx = register number
-+ * %ch = new value for green (0-63)
-+ * %cl = new value for blue (0-63)
-+ * %dh = new value for red (0-63)
-+ */
-+
-+ENTRY(graphics_set_palette)
-+ push %ebp
-+ push %eax
-+ push %ebx
-+ push %ecx
-+ push %edx
-+
-+ movw $0x3c8, %bx /* address write mode register */
-+
-+ /* wait vertical retrace */
-+
-+ movw $0x3da, %dx
-+l1b: inb %dx, %al /* wait vertical active display */
-+ test $8, %al
-+ jnz l1b
-+
-+l2b: inb %dx, %al /* wait vertical retrace */
-+ test $8, %al
-+ jnz l2b
-+
-+ mov %bx, %dx
-+ movb 0x18(%esp), %al /* index */
-+ outb %al, %dx
-+ inc %dx
-+
-+ movb 0x1c(%esp), %al /* red */
-+ outb %al, %dx
-+
-+ movb 0x20(%esp), %al /* green */
-+ outb %al, %dx
-+
-+ movb 0x24(%esp), %al /* blue */
-+ outb %al, %dx
-+
-+ movw 0x18(%esp), %bx
-+
-+ call EXT_C(prot_to_real)
-+ .code16
-+
-+ movb %bl, %bh
-+ movw $0x1000, %ax
-+ int $0x10
-+
-+ DATA32 call EXT_C(real_to_prot)
-+ .code32
-+
-+ pop %edx
-+ pop %ecx
-+ pop %ebx
-+ pop %eax
-+ pop %ebp
-+ ret
-+
-+#endif /* SUPPORT_GRAPHICS */
-
- /*
- * getrtsecs()
-diff --git a/stage2/boot.c b/stage2/boot.c
-index 4185d23..e30daf8 100644
---- a/stage2/boot.c
-+++ b/stage2/boot.c
-@@ -25,10 +25,14 @@
- #include "imgact_aout.h"
- #include "i386-elf.h"
-
-+#ifndef PLATFORM_EFI
- static int cur_addr;
-+#endif
- entry_func entry_addr;
-+#ifndef PLATFORM_EFI
- static struct mod_list mll[99];
- static int linux_mem_size;
-+#endif
-
- /*
- * The next two functions, 'load_image' and 'load_module', are the building
-@@ -40,6 +44,9 @@ kernel_t
- load_image (char *kernel, char *arg, kernel_t suggested_type,
- unsigned long load_flags)
- {
-+#ifdef PLATFORM_EFI
-+ return grub_load_linux (kernel, arg);
-+#else
- int len, i, exec_type = 0, align_4k = 1;
- entry_func real_entry_addr = 0;
- kernel_t type = KERNEL_TYPE_NONE;
-@@ -221,6 +228,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- {
- int big_linux = 0;
- int setup_sects = lh->setup_sects;
-+ int cmdline_size = 0xff;
-
- if (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0200)
- {
-@@ -248,6 +256,14 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- lh->cl_offset = LINUX_CL_OFFSET;
- lh->setup_move_size = LINUX_SETUP_MOVE_SIZE;
- }
-+
-+ if (lh->version >= 0x0206)
-+ {
-+ cmdline_size = lh->cmdline_size;
-+ if (cmdline_size > (LINUX_CL_END_OFFSET - LINUX_CL_OFFSET))
-+ cmdline_size = LINUX_CL_END_OFFSET - LINUX_CL_OFFSET;
-+ }
-+
- }
- else
- {
-@@ -265,7 +281,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- setup_sects = LINUX_DEFAULT_SETUP_SECTS;
-
- data_len = setup_sects << 9;
-- text_len = filemax - data_len - SECTOR_SIZE;
-+ text_len = filemax - data_len - get_sector_size(current_drive);
-
- linux_data_tmp_addr = (char *) LINUX_BZIMAGE_ADDR + text_len;
-
-@@ -280,8 +296,12 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- errnum = ERR_WONT_FIT;
- else
- {
-- grub_printf (" [Linux-%s, setup=0x%x, size=0x%x]\n",
-- (big_linux ? "bzImage" : "zImage"), data_len, text_len);
-+ grub_verbose_printf (" [Linux-%s, setup=0x%x, size=0x%x]\n",
-+ (big_linux ? "bzImage" : "zImage"),
-+ data_len, text_len);
-+
-+ if (silent_grub)
-+ lh->vid_mode = 0x0f04;
-
- /* Video mode selection support. What a mess! */
- /* NOTE: Even the word "mess" is not still enough to
-@@ -375,14 +395,15 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
-
- /* It is possible that DATA_LEN + SECTOR_SIZE is greater than
- MULTIBOOT_SEARCH, so the data may have been read partially. */
-- if (data_len + SECTOR_SIZE <= MULTIBOOT_SEARCH)
-+ if (data_len + get_sector_size(current_drive) <= MULTIBOOT_SEARCH)
- grub_memmove (linux_data_tmp_addr, buffer,
-- data_len + SECTOR_SIZE);
-+ data_len + get_sector_size(current_drive));
- else
- {
- grub_memmove (linux_data_tmp_addr, buffer, MULTIBOOT_SEARCH);
- grub_read (linux_data_tmp_addr + MULTIBOOT_SEARCH,
-- data_len + SECTOR_SIZE - MULTIBOOT_SEARCH);
-+ data_len + get_sector_size(current_drive)
-+ - MULTIBOOT_SEARCH);
- }
-
- if (lh->header != LINUX_MAGIC_SIGNATURE ||
-@@ -404,7 +425,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- char *src = skip_to (0, arg);
- char *dest = linux_data_tmp_addr + LINUX_CL_OFFSET;
-
-- while (dest < linux_data_tmp_addr + LINUX_CL_END_OFFSET && *src)
-+ while (dest < linux_data_tmp_addr + LINUX_CL_OFFSET + cmdline_size && *src)
- *(dest++) = *(src++);
-
- /* Old Linux kernels have problems determining the amount of
-@@ -425,7 +446,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- if (! grub_strstr (arg, "mem=")
- && ! (load_flags & KERNEL_LOAD_NO_MEM_OPTION)
- && lh->version < 0x0203 /* kernel version < 2.4.18 */
-- && dest + 15 < linux_data_tmp_addr + LINUX_CL_END_OFFSET)
-+ && dest + 15 < linux_data_tmp_addr + LINUX_CL_OFFSET + cmdline_size)
- {
- *dest++ = ' ';
- *dest++ = 'm';
-@@ -441,7 +462,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- }
-
- /* offset into file */
-- grub_seek (data_len + SECTOR_SIZE);
-+ grub_seek (data_len + get_sector_size(current_drive));
-
- cur_addr = (int) linux_data_tmp_addr + LINUX_SETUP_MOVE_SIZE;
- grub_read ((char *) LINUX_BZIMAGE_ADDR, text_len);
-@@ -487,7 +508,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- mbi.syms.a.addr = 0;
- mbi.syms.a.pad = 0;
-
-- printf (" [%s-%s", str2, str);
-+ verbose_printf (" [%s-%s", str2, str);
-
- str = "";
-
-@@ -496,7 +517,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- if (flags & MULTIBOOT_AOUT_KLUDGE)
- str = "-and-data";
-
-- printf (", loadaddr=0x%x, text%s=0x%x", cur_addr, str, text_len);
-+ verbose_printf (", loadaddr=0x%x, text%s=0x%x", cur_addr, str, text_len);
-
- /* read text, then read data */
- if (grub_read ((char *) RAW_ADDR (cur_addr), text_len) == text_len)
-@@ -509,9 +530,9 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- if (align_4k)
- cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
- else
-- printf (", C");
-+ verbose_printf (", C");
-
-- printf (", data=0x%x", data_len);
-+ verbose_printf (", data=0x%x", data_len);
-
- if ((grub_read ((char *) RAW_ADDR (cur_addr), data_len)
- != data_len)
-@@ -525,7 +546,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- memset ((char *) RAW_ADDR (cur_addr), 0, bss_len);
- cur_addr += bss_len;
-
-- printf (", bss=0x%x", bss_len);
-+ verbose_printf (", bss=0x%x", bss_len);
- }
- }
- else if (!errnum)
-@@ -545,7 +566,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- *((int *) RAW_ADDR (cur_addr)) = pu.aout->a_syms;
- cur_addr += sizeof (int);
-
-- printf (", symtab=0x%x", pu.aout->a_syms);
-+ verbose_printf (", symtab=0x%x", pu.aout->a_syms);
-
- if (grub_read ((char *) RAW_ADDR (cur_addr), pu.aout->a_syms)
- == pu.aout->a_syms)
-@@ -562,7 +583,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
-
- i -= sizeof (int);
-
-- printf (", strtab=0x%x", i);
-+ verbose_printf (", strtab=0x%x", i);
-
- symtab_err = (grub_read ((char *) RAW_ADDR (cur_addr), i)
- != i);
-@@ -576,7 +597,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
-
- if (symtab_err)
- {
-- printf ("(bad)");
-+ verbose_printf ("(bad)");
- cur_addr = orig_addr;
- mbi.syms.a.tabsize = 0;
- mbi.syms.a.strsize = 0;
-@@ -630,7 +651,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- /* mark memory as used */
- if (cur_addr < memaddr + memsiz)
- cur_addr = memaddr + memsiz;
-- printf (", <0x%x:0x%x:0x%x>", memaddr, filesiz,
-+ verbose_printf (", <0x%x:0x%x:0x%x>", memaddr, filesiz,
- memsiz - filesiz);
- /* increment number of segments */
- loaded++;
-@@ -676,7 +697,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- shdr = (Elf32_Shdr *) mbi.syms.e.addr;
- cur_addr += tab_size;
-
-- printf (", shtab=0x%x", cur_addr);
-+ verbose_printf (", shtab=0x%x", cur_addr);
-
- for (i = 0; i < mbi.syms.e.num; i++)
- {
-@@ -718,7 +739,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
-
- if (symtab_err)
- {
-- printf ("(bad)");
-+ verbose_printf ("(bad)");
- mbi.syms.e.num = 0;
- mbi.syms.e.size = 0;
- mbi.syms.e.addr = 0;
-@@ -733,7 +754,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
-
- if (! errnum)
- {
-- grub_printf (", entry=0x%x]\n", (unsigned) entry_addr);
-+ grub_verbose_printf (", entry=0x%x]\n", (unsigned) entry_addr);
-
- /* If the entry address is physically different from that of the ELF
- header, correct it here. */
-@@ -756,8 +777,10 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
- }
-
- return type;
-+#endif
- }
-
-+#ifndef PLATFORM_EFI
- int
- load_module (char *module, char *arg)
- {
-@@ -776,7 +799,7 @@ load_module (char *module, char *arg)
- return 0;
- }
-
-- printf (" [Multiboot-module @ 0x%x, 0x%x bytes]\n", cur_addr, len);
-+ verbose_printf (" [Multiboot-module @ 0x%x, 0x%x bytes]\n", cur_addr, len);
-
- /* these two simply need to be set if any modules are loaded at all */
- mbi.flags |= MB_INFO_MODS;
-@@ -794,11 +817,19 @@ load_module (char *module, char *arg)
- grub_close ();
- return 1;
- }
-+#endif
-
- int
- load_initrd (char *initrd)
- {
-- int len;
-+#ifdef PLATFORM_EFI
-+#ifndef NO_DECOMPRESSION
-+ no_decompression = 1;
-+#endif
-+ return grub_load_initrd (initrd);
-+#else
-+ int len, next_addr;
-+ char *singleimage, *pos;
- unsigned long moveto;
- unsigned long max_addr;
- struct linux_kernel_header *lh
-@@ -807,16 +838,24 @@ load_initrd (char *initrd)
- #ifndef NO_DECOMPRESSION
- no_decompression = 1;
- #endif
--
-- if (! grub_open (initrd))
-- goto fail;
-+ len = 0;
-+ next_addr = cur_addr;
-
-- len = grub_read ((char *) cur_addr, -1);
-- if (! len)
-- {
-- grub_close ();
-- goto fail;
-- }
-+ /* loop over all initrd images and concatenate them in memory */
-+ singleimage = strtok_r(initrd," \t",&pos);
-+ while (singleimage) {
-+ if (! grub_open (singleimage))
-+ continue;
-+
-+ len += grub_read ((char *) next_addr, -1);
-+ grub_close ();
-+
-+ next_addr = cur_addr + len;
-+ singleimage = strtok_r(NULL," \t",&pos);
-+ }
-+
-+ if (!len)
-+ goto fail;
-
- if (linux_mem_size)
- moveto = linux_mem_size;
-@@ -824,8 +863,12 @@ load_initrd (char *initrd)
- moveto = (mbi.mem_upper + 0x400) << 10;
-
- moveto = (moveto - len) & 0xfffff000;
-+#if 0
- max_addr = (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0203
- ? lh->initrd_addr_max : LINUX_INITRD_MAX_ADDRESS);
-+#else
-+ max_addr = LINUX_INITRD_MAX_ADDRESS;
-+#endif
- if (moveto + len >= max_addr)
- moveto = (max_addr - len) & 0xfffff000;
-
-@@ -836,13 +879,12 @@ load_initrd (char *initrd)
- moveto -= 0x10000;
- memmove ((void *) RAW_ADDR (moveto), (void *) cur_addr, len);
-
-- printf (" [Linux-initrd @ 0x%x, 0x%x bytes]\n", moveto, len);
-+ verbose_printf (" [Linux-initrd @ 0x%x, 0x%x bytes]\n", moveto, len);
-
- /* FIXME: Should check if the kernel supports INITRD. */
- lh->ramdisk_image = RAW_ADDR (moveto);
- lh->ramdisk_size = len;
-
-- grub_close ();
-
- fail:
-
-@@ -851,9 +893,11 @@ load_initrd (char *initrd)
- #endif
-
- return ! errnum;
-+#endif
- }
-
-
-+#ifndef PLATFORM_EFI
- #ifdef GRUB_UTIL
- /* Dummy function to fake the *BSD boot. */
- static void
-@@ -1018,3 +1062,5 @@ bsd_boot (kernel_t type, int bootdev, char *arg)
- extended_memory, mbi.mem_lower);
- }
- }
-+#endif
-+
-diff --git a/stage2/builtins.c b/stage2/builtins.c
-index 3e08a86..b95b181 100644
---- a/stage2/builtins.c
-+++ b/stage2/builtins.c
-@@ -56,6 +56,9 @@ static int bootdev;
- /* True when the debug mode is turned on, and false
- when it is turned off. */
- int debug = 0;
-+int debug_graphics = 0;
-+/* Print what we're booting */
-+int grub_verbose = 0;
- /* The default entry. */
- int default_entry = 0;
- /* The fallback entry. */
-@@ -117,6 +120,27 @@ check_password (char *entered, char* expected, password_t type)
- case PASSWORD_MD5:
- return check_md5_password (entered, expected);
- #endif
-+
-+ case PASSWORD_ENCRYPTED:
-+ if (grub_memcmp (expected, "$1$", 3) == 0)
-+ return check_md5_password (entered, expected);
-+ else if (grub_memcmp (expected, "$5$", 3) == 0)
-+ {
-+ char *hashed;
-+
-+ hashed = sha256_crypt (entered, expected);
-+ return hashed == NULL || strcmp (expected, hashed);
-+ }
-+ else if (grub_memcmp (expected, "$6$", 3) == 0)
-+ {
-+ char *hashed;
-+
-+ hashed = sha512_crypt (entered, expected);
-+ return hashed == NULL || strcmp (expected, hashed);
-+ }
-+ else
-+ return strcmp (entered, expected);
-+
- default:
- /* unsupported password type: be secure */
- return 1;
-@@ -131,62 +155,98 @@ disk_read_print_func (int sector, int offset, int length)
- }
-
-
-+/* blocklist_read_helper nee disk_read_blocklist_func was a nested
-+ * function, to which pointers were taken and exposed globally. Even
-+ * in the GNU-C nested functions extension, they have local linkage,
-+ * and aren't guaranteed to be accessable *at all* outside of their
-+ * containing scope.
-+ *
-+ * Above and beyond all of that, the variables within blocklist_func_context
-+ * are originally local variables, with local (not even static) linkage,
-+ * from within blocklist_func. These were each referenced by
-+ * disk_read_blocklist_func, which is only called from other functions
-+ * through a globally scoped pointer.
-+ *
-+ * The documentation in GCC actually uses the words "all hell will break
-+ * loose" to describe this scenario.
-+ *
-+ * Also, "start_sector" was also used uninitialized, but gcc doesn't warn
-+ * about it (possibly because of the scoping madness?)
-+ */
-+
-+static struct {
-+ int start_sector;
-+ int num_sectors;
-+ int num_entries;
-+ int last_length;
-+} blocklist_func_context = {
-+ .start_sector = 0,
-+ .num_sectors = 0,
-+ .num_entries = 0,
-+ .last_length = 0
-+};
-+
-+/* Collect contiguous blocks into one entry as many as possible,
-+ and print the blocklist notation on the screen. */
-+static void
-+blocklist_read_helper (int sector, int offset, int length)
-+{
-+ int *start_sector = &blocklist_func_context.start_sector;
-+ int *num_sectors = &blocklist_func_context.num_sectors;
-+ int *num_entries = &blocklist_func_context.num_entries;
-+ int *last_length = &blocklist_func_context.last_length;
-+ int sector_size = get_sector_size(current_drive);
-+
-+ if (*num_sectors > 0)
-+ {
-+ if (*start_sector + *num_sectors == sector
-+ && offset == 0 && *last_length == sector_size)
-+ {
-+ *num_sectors++;
-+ *last_length = length;
-+ return;
-+ }
-+ else
-+ {
-+ if (*last_length == sector_size)
-+ grub_printf ("%s%d+%d", *num_entries ? "," : "",
-+ *start_sector - part_start, *num_sectors);
-+ else if (*num_sectors > 1)
-+ grub_printf ("%s%d+%d,%d[0-%d]", *num_entries ? "," : "",
-+ *start_sector - part_start, *num_sectors-1,
-+ *start_sector + *num_sectors-1 - part_start,
-+ *last_length);
-+ else
-+ grub_printf ("%s%d[0-%d]", *num_entries ? "," : "",
-+ *start_sector - part_start, *last_length);
-+ *num_entries++;
-+ *num_sectors = 0;
-+ }
-+ }
-+
-+ if (offset > 0)
-+ {
-+ grub_printf("%s%d[%d-%d]", *num_entries ? "," : "",
-+ sector-part_start, offset, offset+length);
-+ *num_entries++;
-+ }
-+ else
-+ {
-+ *start_sector = sector;
-+ *num_sectors = 1;
-+ *last_length = length;
-+ }
-+}
-+
- /* blocklist */
- static int
- blocklist_func (char *arg, int flags)
- {
- char *dummy = (char *) RAW_ADDR (0x100000);
-- int start_sector;
-- int num_sectors = 0;
-- int num_entries = 0;
-- int last_length = 0;
-
-- auto void disk_read_blocklist_func (int sector, int offset, int length);
--
-- /* Collect contiguous blocks into one entry as many as possible,
-- and print the blocklist notation on the screen. */
-- auto void disk_read_blocklist_func (int sector, int offset, int length)
-- {
-- if (num_sectors > 0)
-- {
-- if (start_sector + num_sectors == sector
-- && offset == 0 && last_length == SECTOR_SIZE)
-- {
-- num_sectors++;
-- last_length = length;
-- return;
-- }
-- else
-- {
-- if (last_length == SECTOR_SIZE)
-- grub_printf ("%s%d+%d", num_entries ? "," : "",
-- start_sector - part_start, num_sectors);
-- else if (num_sectors > 1)
-- grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "",
-- start_sector - part_start, num_sectors-1,
-- start_sector + num_sectors-1 - part_start,
-- last_length);
-- else
-- grub_printf ("%s%d[0-%d]", num_entries ? "," : "",
-- start_sector - part_start, last_length);
-- num_entries++;
-- num_sectors = 0;
-- }
-- }
--
-- if (offset > 0)
-- {
-- grub_printf("%s%d[%d-%d]", num_entries ? "," : "",
-- sector-part_start, offset, offset+length);
-- num_entries++;
-- }
-- else
-- {
-- start_sector = sector;
-- num_sectors = 1;
-- last_length = length;
-- }
-- }
-+ int *start_sector = &blocklist_func_context.start_sector;
-+ int *num_sectors = &blocklist_func_context.num_sectors;
-+ int *num_entries = &blocklist_func_context.num_entries;
-
- /* Open the file. */
- if (! grub_open (arg))
-@@ -206,15 +266,15 @@ blocklist_func (char *arg, int flags)
- grub_printf (")");
-
- /* Read in the whole file to DUMMY. */
-- disk_read_hook = disk_read_blocklist_func;
-+ disk_read_hook = blocklist_read_helper;
- if (! grub_read (dummy, -1))
- goto fail;
-
- /* The last entry may not be printed yet. Don't check if it is a
- * full sector, since it doesn't matter if we read too much. */
-- if (num_sectors > 0)
-- grub_printf ("%s%d+%d", num_entries ? "," : "",
-- start_sector - part_start, num_sectors);
-+ if (*num_sectors > 0)
-+ grub_printf ("%s%d+%d", *num_entries ? "," : "",
-+ *start_sector - part_start, *num_sectors);
-
- grub_printf ("\n");
-
-@@ -237,12 +297,25 @@ static struct builtin builtin_blocklist =
- static int
- boot_func (char *arg, int flags)
- {
-+ struct term_entry *prev_term = current_term;
- /* Clear the int15 handler if we can boot the kernel successfully.
- This assumes that the boot code never fails only if KERNEL_TYPE is
- not KERNEL_TYPE_NONE. Is this assumption is bad? */
- if (kernel_type != KERNEL_TYPE_NONE)
- unset_int15_handler ();
-
-+ /* if our terminal needed initialization, we should shut it down
-+ * before booting the kernel, but we want to save what it was so
-+ * we can come back if needed */
-+ if (current_term->shutdown)
-+ {
-+ (*current_term->shutdown)();
-+ current_term = term_table; /* assumption: console is first */
-+ }
-+
-+ if (silent_grub)
-+ setcursor(0);
-+
- #ifdef SUPPORT_NETBOOT
- /* Shut down the networking. */
- cleanup_net ();
-@@ -250,11 +323,13 @@ boot_func (char *arg, int flags)
-
- switch (kernel_type)
- {
-+#ifndef PLATFORM_EFI
- case KERNEL_TYPE_FREEBSD:
- case KERNEL_TYPE_NETBSD:
- /* *BSD */
- bsd_boot (kernel_type, bootdev, (char *) mbi.cmdline);
- break;
-+#endif
-
- case KERNEL_TYPE_LINUX:
- /* Linux */
-@@ -296,16 +371,25 @@ boot_func (char *arg, int flags)
- chain_stage1 (0, BOOTSEC_LOCATION, boot_part_addr);
- break;
-
-+#ifndef PLATFORM_EFI
- case KERNEL_TYPE_MULTIBOOT:
- /* Multiboot */
- multi_boot ((int) entry_addr, (int) &mbi);
- break;
-+#endif
-
- default:
- errnum = ERR_BOOT_COMMAND;
- return 1;
- }
-
-+ /* if we get back here, we should go back to what our term was before */
-+ current_term = prev_term;
-+ if (current_term->startup)
-+ /* if our terminal fails to initialize, fall back to console since
-+ * it should always work */
-+ if ((*current_term->startup)() == 0)
-+ current_term = term_table; /* we know that console is first */
- return 0;
- }
-
-@@ -402,6 +486,10 @@ static struct builtin builtin_cat =
- static int
- chainloader_func (char *arg, int flags)
- {
-+#ifdef PLATFORM_EFI
-+ kernel_type = grub_chainloader(arg);
-+ return kernel_type == KERNEL_TYPE_NONE;
-+#else
- int force = 0;
- char *file = arg;
-
-@@ -458,6 +546,7 @@ chainloader_func (char *arg, int flags)
- errnum = ERR_NONE;
-
- return 0;
-+#endif
- }
-
- static struct builtin builtin_chainloader =
-@@ -564,89 +653,88 @@ static struct builtin builtin_cmp =
- /* Set new colors used for the menu interface. Support two methods to
- specify a color name: a direct integer representation and a symbolic
- color name. An example of the latter is "blink-light-gray/blue". */
--static int
--color_func (char *arg, int flags)
--{
-- char *normal;
-- char *highlight;
-- int new_normal_color;
-- int new_highlight_color;
-- static char *color_list[16] =
-- {
-- "black",
-- "blue",
-- "green",
-- "cyan",
-- "red",
-- "magenta",
-- "brown",
-- "light-gray",
-- "dark-gray",
-- "light-blue",
-- "light-green",
-- "light-cyan",
-- "light-red",
-- "light-magenta",
-- "yellow",
-- "white"
-- };
-+static const char * const color_list[16] =
-+{
-+ "black",
-+ "blue",
-+ "green",
-+ "cyan",
-+ "red",
-+ "magenta",
-+ "brown",
-+ "light-gray",
-+ "dark-gray",
-+ "light-blue",
-+ "light-green",
-+ "light-cyan",
-+ "light-red",
-+ "light-magenta",
-+ "yellow",
-+ "white"
-+};
-
-- auto int color_number (char *str);
-+/* Convert the color name STR into the magical number. */
-+static int color_number (char *str)
-+{
-+ char *ptr;
-+ int i;
-+ int color = 0;
-
-- /* Convert the color name STR into the magical number. */
-- auto int color_number (char *str)
-- {
-- char *ptr;
-- int i;
-- int color = 0;
--
-- /* Find the separator. */
-- for (ptr = str; *ptr && *ptr != '/'; ptr++)
-- ;
-+ /* Find the separator. */
-+ for (ptr = str; *ptr && *ptr != '/'; ptr++)
-+ ;
-
-- /* If not found, return -1. */
-- if (! *ptr)
-- return -1;
-+ /* If not found, return -1. */
-+ if (! *ptr)
-+ return -1;
-
-- /* Terminate the string STR. */
-- *ptr++ = 0;
-+ /* Terminate the string STR. */
-+ *ptr++ = 0;
-
-- /* If STR contains the prefix "blink-", then set the `blink' bit
-- in COLOR. */
-- if (substring ("blink-", str) <= 0)
-- {
-- color = 0x80;
-- str += 6;
-- }
--
-- /* Search for the color name. */
-- for (i = 0; i < 16; i++)
-- if (grub_strcmp (color_list[i], str) == 0)
-- {
-- color |= i;
-- break;
-- }
-+ /* If STR contains the prefix "blink-", then set the `blink' bit
-+ in COLOR. */
-+ if (substring ("blink-", str) <= 0)
-+ {
-+ color = 0x80;
-+ str += 6;
-+ }
-+
-+ /* Search for the color name. */
-+ for (i = 0; i < 16; i++)
-+ if (grub_strcmp (color_list[i], str) == 0)
-+ {
-+ color |= i;
-+ break;
-+ }
-
-- if (i == 16)
-- return -1;
-+ if (i == 16)
-+ return -1;
-
-- str = ptr;
-- nul_terminate (str);
-+ str = ptr;
-+ nul_terminate (str);
-
-- /* Search for the color name. */
-- for (i = 0; i < 8; i++)
-- if (grub_strcmp (color_list[i], str) == 0)
-- {
-- color |= i << 4;
-- break;
-- }
-+ /* Search for the color name. */
-+ for (i = 0; i < 8; i++)
-+ if (grub_strcmp (color_list[i], str) == 0)
-+ {
-+ color |= i << 4;
-+ break;
-+ }
-
-- if (i == 8)
-- return -1;
-+ if (i == 8)
-+ return -1;
-+
-+ return color;
-+}
-+
-+static int
-+color_func (char *arg, int flags)
-+{
-+ char *normal;
-+ char *highlight;
-+ int new_normal_color;
-+ int new_highlight_color;
-
-- return color;
-- }
--
- normal = arg;
- highlight = skip_to (0, arg);
-
-@@ -690,7 +778,6 @@ static struct builtin builtin_color =
- " But only the first eight names can be used for BG. You can prefix"
- " \"blink-\" to FG if you want a blinking foreground color."
- };
--
-
- /* configfile */
- static int
-@@ -737,14 +824,18 @@ static struct builtin builtin_configfile =
- static int
- debug_func (char *arg, int flags)
- {
-- if (debug)
-+ int *whichdebug = &debug;
-+ if (arg && !strcmp(arg, "--graphics"))
-+ whichdebug = &debug_graphics;
-+
-+ if (*whichdebug)
- {
-- debug = 0;
-+ *whichdebug = 0;
- grub_printf (" Debug mode is turned off\n");
- }
- else
- {
-- debug = 1;
-+ *whichdebug = 1;
- grub_printf (" Debug mode is turned on\n");
- }
-
-@@ -755,17 +846,61 @@ static struct builtin builtin_debug =
- {
- "debug",
- debug_func,
-- BUILTIN_CMDLINE,
-+ BUILTIN_CMDLINE | BUILTIN_MENU,
- "debug",
- "Turn on/off the debug mode."
- };
-
-
-+/* verbose */
-+static int
-+verbose_func (char *arg, int flags)
-+{
-+ if (grub_verbose)
-+ {
-+ grub_verbose = 0;
-+ grub_printf (" Verbose mode is turned off\n");
-+ }
-+ else
-+ {
-+ grub_verbose = 1;
-+ grub_printf (" Verbose mode is turned on\n");
-+ }
-+
-+ return 0;
-+}
-+
-+static struct builtin builtin_verbose =
-+{
-+ "verbose",
-+ verbose_func,
-+ BUILTIN_CMDLINE | BUILTIN_MENU,
-+ "verbose",
-+ "Turn on/off verbose output."
-+};
-+
-+
-+#if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) && !defined(PLATFORM_EFI)
-+static int savedefault_helper(int);
-+#endif
- /* default */
- static int
- default_func (char *arg, int flags)
- {
- #ifndef SUPPORT_DISKLESS
-+#ifndef GRUB_UTIL
-+#ifndef PLATFORM_EFI
-+ /* Has a forced once-only default been specified? */
-+ if ((saved_entryno & STAGE2_ONCEONLY_ENTRY) != 0)
-+ {
-+ int old_defaults=saved_entryno & ~STAGE2_ONCEONLY_ENTRY;
-+ grub_timeout = 0;
-+ default_entry = old_defaults >> 8;
-+ savedefault_helper(old_defaults & 0xff);
-+ return 0;
-+ }
-+#endif
-+#endif
- if (grub_strcmp (arg, "saved") == 0)
- {
- default_entry = saved_entryno;
-@@ -792,7 +927,7 @@ static struct builtin builtin_default =
- };
-
-
--#ifdef GRUB_UTIL
-+#if defined(GRUB_UTIL) || defined(PLATFORM_EFI)
- /* device */
- static int
- device_func (char *arg, int flags)
-@@ -800,16 +935,17 @@ device_func (char *arg, int flags)
- char *drive = arg;
- char *device;
-
-- /* Get the drive number from DRIVE. */
-- if (! set_device (drive))
-- return 1;
--
- /* Get the device argument. */
- device = skip_to (0, drive);
--
-+
-+ nul_terminate (drive);
- /* Terminate DEVICE. */
- nul_terminate (device);
-
-+ /* Get the drive number from DRIVE. */
-+ if (! set_device (drive))
-+ return 1;
-+
- if (! *device || ! check_device (device))
- {
- errnum = ERR_FILE_NOT_FOUND;
-@@ -817,7 +953,7 @@ device_func (char *arg, int flags)
- }
-
- assign_device_name (current_drive, device);
--
-+
- return 0;
- }
-
-@@ -828,9 +964,20 @@ static struct builtin builtin_device =
- BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
- "device DRIVE DEVICE",
- "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command"
-- " can be used only in the grub shell."
-+ " can be used only in the grub shell and in EFI."
- };
--#endif /* GRUB_UTIL */
-+#endif /* defined(GRUB_UTIL) || defined(PLATFORM_EFI) */
-+#ifdef PLATFORM_EFI
-+static struct builtin builtin_efimap =
-+{
-+ "efimap",
-+ device_func,
-+ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-+ "efimap DRIVE DEVICE",
-+ "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command"
-+ " can be used only in EFI."
-+};
-+#endif /* PLATFORM_EFI */
-
-
- #ifdef SUPPORT_NETBOOT
-@@ -852,6 +999,139 @@ static struct builtin builtin_dhcp =
- };
- #endif /* SUPPORT_NETBOOT */
-
-+static int terminal_func (char *arg, int flags);
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+static int splashimage_func(char *arg, int flags) {
-+ char splashimage[64];
-+ int i;
-+
-+ /* filename can only be 64 characters due to our buffer size */
-+ if (strlen(arg) > 63)
-+ return 1;
-+ if (flags == BUILTIN_CMDLINE) {
-+ if (!grub_open(arg))
-+ return 1;
-+ grub_close();
-+ }
-+
-+ strcpy(splashimage, arg);
-+
-+ /* get rid of TERM_NEED_INIT from the graphics terminal. */
-+ for (i = 0; term_table[i].name; i++) {
-+ if (grub_strcmp (term_table[i].name, "graphics") == 0) {
-+ term_table[i].flags &= ~TERM_NEED_INIT;
-+ break;
-+ }
-+ }
-+
-+ graphics_set_splash(splashimage);
-+
-+ if (flags == BUILTIN_CMDLINE && graphics_inited) {
-+ graphics_end();
-+ graphics_init();
-+ graphics_cls();
-+ }
-+
-+ /* FIXME: should we be explicitly switching the terminal as a
-+ * side effect here? */
-+ terminal_func("graphics", flags);
-+
-+ return 0;
-+}
-+
-+static struct builtin builtin_splashimage =
-+{
-+ "splashimage",
-+ splashimage_func,
-+ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
-+ "splashimage FILE",
-+ "Load FILE as the background image when in graphics mode."
-+};
-+
-+
-+/* foreground */
-+static int
-+foreground_func(char *arg, int flags)
-+{
-+ if (grub_strlen(arg) == 6) {
-+ int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2;
-+ int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2;
-+ int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2;
-+
-+ foreground = (r << 16) | (g << 8) | b;
-+ if (graphics_inited)
-+ graphics_set_palette(15, r, g, b);
-+
-+ return (0);
-+ }
-+
-+ return (1);
-+}
-+
-+static struct builtin builtin_foreground =
-+{
-+ "foreground",
-+ foreground_func,
-+ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
-+ "foreground RRGGBB",
-+ "Sets the foreground color when in graphics mode."
-+ "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal."
-+};
-+
-+
-+/* background */
-+static int
-+background_func(char *arg, int flags)
-+{
-+ if (grub_strlen(arg) == 6) {
-+ int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2;
-+ int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2;
-+ int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2;
-+
-+ background = (r << 16) | (g << 8) | b;
-+ if (graphics_inited)
-+ graphics_set_palette(0, r, g, b);
-+ return (0);
-+ }
-+
-+ return (1);
-+}
-+
-+static struct builtin builtin_background =
-+{
-+ "background",
-+ background_func,
-+ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
-+ "background RRGGBB",
-+ "Sets the background color when in graphics mode."
-+ "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal."
-+};
-+
-+#endif /* SUPPORT_GRAPHICS */
-+
-+
-+/* clear */
-+static int
-+clear_func()
-+{
-+ if (current_term->cls)
-+ current_term->cls();
-+
-+ return 0;
-+}
-+
-+static struct builtin builtin_clear =
-+{
-+ "clear",
-+ clear_func,
-+ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-+ "clear",
-+ "Clear the screen"
-+};
-+
-+#ifndef PLATFORM_EFI
-
- /* displayapm */
- static int
-@@ -893,6 +1173,7 @@ static struct builtin builtin_displayapm =
- "displayapm",
- "Display APM BIOS information."
- };
-+#endif /* !PLATFORM_EFI */
-
-
- /* displaymem */
-@@ -912,11 +1193,11 @@ displaymem_func (char *arg, int flags)
- if (mbi.flags & MB_INFO_MEM_MAP)
- {
- struct AddrRangeDesc *map = (struct AddrRangeDesc *) mbi.mmap_addr;
-- int end_addr = mbi.mmap_addr + mbi.mmap_length;
-+ unsigned long end_addr = mbi.mmap_addr + mbi.mmap_length;
-
- grub_printf (" [Address Range Descriptor entries "
- "immediately follow (values are 64-bit)]\n");
-- while (end_addr > (int) map)
-+ while (end_addr > (unsigned long) map)
- {
- char *str;
-
-@@ -924,15 +1205,10 @@ displaymem_func (char *arg, int flags)
- str = "Usable RAM";
- else
- str = "Reserved";
-- grub_printf (" %s: Base Address: 0x%x X 4GB + 0x%x,\n"
-- " Length: 0x%x X 4GB + 0x%x bytes\n",
-- str,
-- (unsigned long) (map->BaseAddr >> 32),
-- (unsigned long) (map->BaseAddr & 0xFFFFFFFF),
-- (unsigned long) (map->Length >> 32),
-- (unsigned long) (map->Length & 0xFFFFFFFF));
--
-- map = ((struct AddrRangeDesc *) (((int) map) + 4 + map->size));
-+ grub_printf (" %s: Base Address: 0x%lx Length: 0x%lx bytes\n",
-+ str, map->BaseAddr, map->Length);
-+
-+ map = ((struct AddrRangeDesc *) (((unsigned long) map) + 4 + map->size));
- }
- }
-
-@@ -1009,6 +1285,7 @@ static struct builtin builtin_dump =
- };
- #endif /* GRUB_UTIL */
-
-+#ifndef PLATFORM_EFI
-
- static char embed_info[32];
- /* embed */
-@@ -1143,6 +1420,7 @@ static struct builtin builtin_embed =
- " is a drive, or in the \"bootloader\" area if DEVICE is a FFS partition."
- " Print the number of sectors which STAGE1_5 occupies if successful."
- };
-+#endif /* ! PLATFORM_EFI */
-
-
- /* fallback */
-@@ -1230,17 +1508,19 @@ find_func (char *arg, int flags)
- }
-
- /* Hard disks. */
-- for (drive = 0x80; drive < 0x88; drive++)
-+ for (drive = 0x80; drive < (0x80 + MAX_HD_NUM); drive++)
- {
- unsigned long part = 0xFFFFFF;
-- unsigned long start, len, offset, ext_offset;
-- int type, entry;
-- char buf[SECTOR_SIZE];
-+ unsigned long start, len, offset, ext_offset, gpt_offset;
-+ int type, entry, gpt_count, gpt_size;
-+ int sector_size = get_sector_size(drive);
-+ char buf[sector_size];
-
- current_drive = drive;
- while (next_partition (drive, 0xFFFFFF, &part, &type,
- &start, &len, &offset, &entry,
-- &ext_offset, buf))
-+ &ext_offset, &gpt_offset,
-+ &gpt_count, &gpt_size, buf))
- {
- if (type != PC_SLICE_TYPE_NONE
- && ! IS_PC_SLICE_TYPE_BSD (type)
-@@ -1301,6 +1581,59 @@ static struct builtin builtin_find =
- "Search for the filename FILENAME in all of partitions and print the list of"
- " the devices which contain the file."
- };
-+
-+/* findiso */
-+
-+/* Search for an ISO 9660 partition. */
-+static int
-+findiso_func (char *arg, int flags)
-+{
-+ unsigned long drive;
-+ unsigned long tmp_drive = saved_drive;
-+ unsigned long tmp_partition = saved_partition;
-+
-+ /* Hard disks. */
-+ for (drive = 0x80; drive < 0x89; drive++)
-+ {
-+ unsigned long part = 0xFFFFFF;
-+
-+ if (drive == 0x88)
-+ drive = 0x100;
-+
-+ current_drive = drive;
-+ current_partition = part;
-+
-+ if (open_device ())
-+ {
-+ char *type = get_fsys_type();
-+ if (!grub_strcmp(type, "iso9660"))
-+ {
-+ saved_drive = current_drive;
-+ saved_partition = current_partition;
-+ errnum = ERR_NONE;
-+ return 0;
-+ }
-+ }
-+
-+ /* We want to ignore any error here. */
-+ errnum = ERR_NONE;
-+ }
-+
-+ saved_drive = tmp_drive;
-+ saved_partition = tmp_partition;
-+
-+ errnum = ERR_FILE_NOT_FOUND;
-+ return 1;
-+}
-+
-+static struct builtin builtin_findiso =
-+{
-+ "findiso",
-+ findiso_func,
-+ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-+ "findiso FILENAME",
-+ "Set root to the first device with a valid ISO 9660 filesystem."
-+};
-
-
- /* fstest */
-@@ -1679,6 +2012,7 @@ static struct builtin builtin_ifconfig =
- };
- #endif /* SUPPORT_NETBOOT */
-
-+#ifndef PLATFORM_EFI
-
- /* impsprobe */
- static int
-@@ -1706,6 +2040,7 @@ static struct builtin builtin_impsprobe =
- " configuration table and boot the various CPUs which are found into"
- " a tight loop."
- };
-+#endif /* ! PLATFORM_EFI */
-
-
- /* initrd */
-@@ -1738,8 +2073,82 @@ static struct builtin builtin_initrd =
- " appropriate parameters in the Linux setup area in memory."
- };
-
-+#ifndef PLATFORM_EFI
-
- /* install */
-+static struct {
-+ int saved_sector;
-+ int installaddr;
-+ int installlist;
-+ int last_length;
-+ char *stage2_first_buffer;
-+} install_func_context = {
-+ .saved_sector = 0,
-+ .installaddr = 0,
-+ .installlist = 0,
-+ .last_length = SECTOR_SIZE,
-+ .stage2_first_buffer = NULL,
-+};
-+
-+/* Save the first sector of Stage2 in STAGE2_SECT. */
-+/* Formerly disk_read_savesect_func with local scope inside install_func */
-+static void
-+install_savesect_helper(int sector, int offset, int length)
-+{
-+ if (debug)
-+ printf ("[%d]", sector);
-+
-+ /* ReiserFS has files which sometimes contain data not aligned
-+ on sector boundaries. Returning an error is better than
-+ silently failing. */
-+ if (offset != 0 || length != SECTOR_SIZE)
-+ errnum = ERR_UNALIGNED;
-+
-+ install_func_context.saved_sector = sector;
-+}
-+
-+/* Write SECTOR to INSTALLLIST, and update INSTALLADDR and INSTALLSECT. */
-+/* Formerly disk_read_blocklist_func with local scope inside install_func */
-+static void
-+install_blocklist_helper (int sector, int offset, int length)
-+{
-+ int *installaddr = &install_func_context.installaddr;
-+ int *installlist = &install_func_context.installlist;
-+ char **stage2_first_buffer = &install_func_context.stage2_first_buffer;
-+ /* Was the last sector full? */
-+ int *last_length = &install_func_context.last_length;
-+
-+ if (debug)
-+ printf("[%d]", sector);
-+
-+ if (offset != 0 || *last_length != SECTOR_SIZE)
-+ {
-+ /* We found a non-sector-aligned data block. */
-+ errnum = ERR_UNALIGNED;
-+ return;
-+ }
-+
-+ *last_length = length;
-+
-+ if (*((unsigned long *) (*installlist - 4))
-+ + *((unsigned short *) *installlist) != sector
-+ || *installlist == (int) *stage2_first_buffer + SECTOR_SIZE + 4)
-+ {
-+ *installlist -= 8;
-+
-+ if (*((unsigned long *) (*installlist - 8)))
-+ errnum = ERR_WONT_FIT;
-+ else
-+ {
-+ *((unsigned short *) (*installlist + 2)) = (*installaddr >> 4);
-+ *((unsigned long *) (*installlist - 4)) = sector;
-+ }
-+ }
-+
-+ *((unsigned short *) *installlist) += 1;
-+ *installaddr += 512;
-+}
-+
- static int
- install_func (char *arg, int flags)
- {
-@@ -1747,8 +2156,12 @@ install_func (char *arg, int flags)
- char *stage1_buffer = (char *) RAW_ADDR (0x100000);
- char *stage2_buffer = stage1_buffer + SECTOR_SIZE;
- char *old_sect = stage2_buffer + SECTOR_SIZE;
-- char *stage2_first_buffer = old_sect + SECTOR_SIZE;
-- char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE;
-+ /* stage2_first_buffer used to be defined as:
-+ * char *stage2_first_buffer = old_sect + SECTOR_SIZE; */
-+ char **stage2_first_buffer = &install_func_context.stage2_first_buffer;
-+ /* and stage2_second_buffer was:
-+ * char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE; */
-+ char *stage2_second_buffer = old_sect + SECTOR_SIZE + SECTOR_SIZE;
- /* XXX: Probably SECTOR_SIZE is reasonable. */
- char *config_filename = stage2_second_buffer + SECTOR_SIZE;
- char *dummy = config_filename + SECTOR_SIZE;
-@@ -1757,10 +2170,11 @@ install_func (char *arg, int flags)
- int src_drive, src_partition, src_part_start;
- int i;
- struct geometry dest_geom, src_geom;
-- int saved_sector;
-+ int *saved_sector = &install_func_context.saved_sector;
- int stage2_first_sector, stage2_second_sector;
- char *ptr;
-- int installaddr, installlist;
-+ int *installaddr = &install_func_context.installaddr;
-+ int *installlist = &install_func_context.installlist;
- /* Point to the location of the name of a configuration file in Stage 2. */
- char *config_file_location;
- /* If FILE is a Stage 1.5? */
-@@ -1769,68 +2183,18 @@ install_func (char *arg, int flags)
- int is_open = 0;
- /* If LBA is forced? */
- int is_force_lba = 0;
-- /* Was the last sector full? */
-- int last_length = SECTOR_SIZE;
-+ int *last_length = &install_func_context.last_length;
-
-+ /* Reset state. */
-+ *last_length = SECTOR_SIZE;
-+
-+ *stage2_first_buffer = old_sect + SECTOR_SIZE;
- #ifdef GRUB_UTIL
- /* If the Stage 2 is in a partition mounted by an OS, this will store
- the filename under the OS. */
- char *stage2_os_file = 0;
- #endif /* GRUB_UTIL */
-
-- auto void disk_read_savesect_func (int sector, int offset, int length);
-- auto void disk_read_blocklist_func (int sector, int offset, int length);
--
-- /* Save the first sector of Stage2 in STAGE2_SECT. */
-- auto void disk_read_savesect_func (int sector, int offset, int length)
-- {
-- if (debug)
-- printf ("[%d]", sector);
--
-- /* ReiserFS has files which sometimes contain data not aligned
-- on sector boundaries. Returning an error is better than
-- silently failing. */
-- if (offset != 0 || length != SECTOR_SIZE)
-- errnum = ERR_UNALIGNED;
--
-- saved_sector = sector;
-- }
--
-- /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and
-- INSTALLSECT. */
-- auto void disk_read_blocklist_func (int sector, int offset, int length)
-- {
-- if (debug)
-- printf("[%d]", sector);
--
-- if (offset != 0 || last_length != SECTOR_SIZE)
-- {
-- /* We found a non-sector-aligned data block. */
-- errnum = ERR_UNALIGNED;
-- return;
-- }
--
-- last_length = length;
--
-- if (*((unsigned long *) (installlist - 4))
-- + *((unsigned short *) installlist) != sector
-- || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4)
-- {
-- installlist -= 8;
--
-- if (*((unsigned long *) (installlist - 8)))
-- errnum = ERR_WONT_FIT;
-- else
-- {
-- *((unsigned short *) (installlist + 2)) = (installaddr >> 4);
-- *((unsigned long *) (installlist - 4)) = sector;
-- }
-- }
--
-- *((unsigned short *) installlist) += 1;
-- installaddr += 512;
-- }
--
- /* First, check the GNU-style long option. */
- while (1)
- {
-@@ -1862,10 +2226,10 @@ install_func (char *arg, int flags)
- addr = skip_to (0, file);
-
- /* Get the installation address. */
-- if (! safe_parse_maxint (&addr, &installaddr))
-+ if (! safe_parse_maxint (&addr, installaddr))
- {
- /* ADDR is not specified. */
-- installaddr = 0;
-+ *installaddr = 0;
- ptr = addr;
- errnum = 0;
- }
-@@ -1961,17 +2325,17 @@ install_func (char *arg, int flags)
- = 0x9090;
-
- /* Read the first sector of Stage 2. */
-- disk_read_hook = disk_read_savesect_func;
-- if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE)
-+ disk_read_hook = install_savesect_helper;
-+ if (grub_read (*stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE)
- goto fail;
-
-- stage2_first_sector = saved_sector;
-+ stage2_first_sector = *saved_sector;
-
- /* Read the second sector of Stage 2. */
- if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE)
- goto fail;
-
-- stage2_second_sector = saved_sector;
-+ stage2_second_sector = *saved_sector;
-
- /* Check for the version of Stage 2. */
- if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS))
-@@ -1987,27 +2351,27 @@ install_func (char *arg, int flags)
-
- /* If INSTALLADDR is not specified explicitly in the command-line,
- determine it by the Stage 2 id. */
-- if (! installaddr)
-+ if (! *installaddr)
- {
- if (! is_stage1_5)
- /* Stage 2. */
-- installaddr = 0x8000;
-+ *installaddr = 0x8000;
- else
- /* Stage 1.5. */
-- installaddr = 0x2000;
-+ *installaddr = 0x2000;
- }
-
- *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR))
- = stage2_first_sector;
- *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS))
-- = installaddr;
-+ = *installaddr;
- *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT))
-- = installaddr >> 4;
-+ = *installaddr >> 4;
-
-- i = (int) stage2_first_buffer + SECTOR_SIZE - 4;
-+ i = (int) *stage2_first_buffer + SECTOR_SIZE - 4;
- while (*((unsigned long *) i))
- {
-- if (i < (int) stage2_first_buffer
-+ if (i < (int) *stage2_first_buffer
- || (*((int *) (i - 4)) & 0x80000000)
- || *((unsigned short *) i) >= 0xA00
- || *((short *) (i + 2)) == 0)
-@@ -2021,13 +2385,13 @@ install_func (char *arg, int flags)
- i -= 8;
- }
-
-- installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4;
-- installaddr += SECTOR_SIZE;
-+ *installlist = (int) *stage2_first_buffer + SECTOR_SIZE + 4;
-+ *installaddr += SECTOR_SIZE;
-
- /* Read the whole of Stage2 except for the first sector. */
- grub_seek (SECTOR_SIZE);
-
-- disk_read_hook = disk_read_blocklist_func;
-+ disk_read_hook = install_blocklist_helper;
- if (! grub_read (dummy, -1))
- goto fail;
-
-@@ -2110,7 +2474,7 @@ install_func (char *arg, int flags)
- /* Skip the first sector. */
- grub_seek (SECTOR_SIZE);
-
-- disk_read_hook = disk_read_savesect_func;
-+ disk_read_hook = install_savesect_helper;
- if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE)
- goto fail;
-
-@@ -2180,7 +2544,7 @@ install_func (char *arg, int flags)
- else
- #endif /* GRUB_UTIL */
- {
-- if (! devwrite (saved_sector - part_start, 1, stage2_buffer))
-+ if (! devwrite (*saved_sector - part_start, 1, stage2_buffer))
- goto fail;
- }
- }
-@@ -2202,7 +2566,7 @@ install_func (char *arg, int flags)
- goto fail;
- }
-
-- if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
-+ if (fwrite (*stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
- {
- fclose (fp);
- errnum = ERR_WRITE;
-@@ -2229,7 +2593,7 @@ install_func (char *arg, int flags)
- goto fail;
-
- if (! devwrite (stage2_first_sector - src_part_start, 1,
-- stage2_first_buffer))
-+ *stage2_first_buffer))
- goto fail;
-
- if (! devwrite (stage2_second_sector - src_part_start, 1,
-@@ -2322,6 +2686,7 @@ static struct builtin builtin_ioprobe =
- "ioprobe DRIVE",
- "Probe I/O ports used for the drive DRIVE."
- };
-+#endif /* ! PLATFORM_EFI */
-
-
- /* kernel */
-@@ -2456,6 +2821,7 @@ static struct builtin builtin_makeactive =
- " This command is limited to _primary_ PC partitions on a hard disk."
- };
-
-+#ifndef PLATFORM_EFI
-
- /* map */
- /* Map FROM_DRIVE to TO_DRIVE. */
-@@ -2519,6 +2885,7 @@ static struct builtin builtin_map =
- " when you chain-load some operating systems, such as DOS, if such an"
- " OS resides at a non-first drive."
- };
-+#endif /* ! PLATFORM_EFI */
-
-
- #ifdef USE_MD5_PASSWORDS
-@@ -2579,6 +2946,7 @@ static struct builtin builtin_md5crypt =
- };
- #endif /* USE_MD5_PASSWORDS */
-
-+#ifndef PLATFORM_EFI
-
- /* module */
- static int
-@@ -2656,6 +3024,7 @@ static struct builtin builtin_modulenounzip =
- "The same as `module', except that automatic decompression is"
- " disabled."
- };
-+#endif /* !PLATFORM_EFI */
-
-
- /* pager [on|off] */
-@@ -2698,7 +3067,6 @@ partnew_func (char *arg, int flags)
- int start_cl, start_ch, start_dh;
- int end_cl, end_ch, end_dh;
- int entry;
-- char mbr[512];
-
- /* Convert a LBA address to a CHS address in the INT 13 format. */
- auto void lba_to_chs (int lba, int *cl, int *ch, int *dh);
-@@ -2729,6 +3097,9 @@ partnew_func (char *arg, int flags)
- return 1;
- }
-
-+ int sector_size = get_sector_size(current_drive);
-+ char mbr[sector_size];
-+
- /* The partition must a primary partition. */
- if ((current_partition >> 16) > 3
- || (current_partition & 0xFFFF) != 0xFFFF)
-@@ -2762,7 +3133,7 @@ partnew_func (char *arg, int flags)
- return 1;
-
- /* Read the MBR. */
-- if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr))
-+ if (! rawread (current_drive, 0, 0, sector_size, mbr))
- return 1;
-
- /* Check if the new partition will fit in the disk. */
-@@ -2815,9 +3186,8 @@ parttype_func (char *arg, int flags)
- {
- int new_type;
- unsigned long part = 0xFFFFFF;
-- unsigned long start, len, offset, ext_offset;
-- int entry, type;
-- char mbr[512];
-+ unsigned long start, len, offset, ext_offset, gpt_offset;
-+ int entry, type, gpt_count, gpt_size;
-
- /* Get the drive and the partition. */
- if (! set_device (arg))
-@@ -2829,6 +3199,9 @@ parttype_func (char *arg, int flags)
- errnum = ERR_BAD_ARGUMENT;
- return 1;
- }
-+
-+ int sector_size = get_sector_size(current_drive);
-+ char mbr[sector_size];
-
- /* The partition must be a PC slice. */
- if ((current_partition >> 16) == 0xFF
-@@ -2853,8 +3226,15 @@ parttype_func (char *arg, int flags)
- /* Look for the partition. */
- while (next_partition (current_drive, 0xFFFFFF, &part, &type,
- &start, &len, &offset, &entry,
-- &ext_offset, mbr))
-+ &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
- {
-+ /* The partition may not be a GPT partition. */
-+ if (gpt_offset != 0)
-+ {
-+ errnum = ERR_BAD_ARGUMENT;
-+ return 1;
-+ }
-+
- if (part == current_partition)
- {
- /* Found. */
-@@ -2900,6 +3280,11 @@ password_func (char *arg, int flags)
- arg = skip_to (0, arg);
- }
- #endif
-+ else if (grub_memcmp (arg, "--encrypted", 5) == 0)
-+ {
-+ type = PASSWORD_ENCRYPTED;
-+ arg = skip_to (0, arg);
-+ }
- if (grub_memcmp (arg, "--", 2) == 0)
- {
- type = PASSWORD_UNSUPPORTED;
-@@ -2947,7 +3332,7 @@ static struct builtin builtin_password =
- "password",
- password_func,
- BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO,
-- "password [--md5] PASSWD [FILE]",
-+ "password [--md5|--encrypted] PASSWD [FILE]",
- "If used in the first section of a menu file, disable all"
- " interactive editing control (menu entry editor and"
- " command line). If the password PASSWD is entered, it loads the"
-@@ -2956,7 +3341,8 @@ static struct builtin builtin_password =
- " instructions. You can also use it in the script section, in"
- " which case it will ask for the password, before continueing."
- " The option --md5 tells GRUB that PASSWD is encrypted with"
-- " md5crypt."
-+ " md5crypt, --encrypted that PASSWD is encrypted (with algorithm"
-+ " specified in PASSWD: supported is md5, sha-256, sha-512)."
- };
-
-
-@@ -2982,8 +3368,8 @@ static struct builtin builtin_pause =
- "Print MESSAGE, then wait until a key is pressed."
- };
-
-+#if defined (GRUB_UTIL) || defined (PLATFORM_EFI)
-
--#ifdef GRUB_UTIL
- /* quit */
- static int
- quit_func (char *arg, int flags)
-@@ -3002,7 +3388,7 @@ static struct builtin builtin_quit =
- "quit",
- "Exit from the GRUB shell."
- };
--#endif /* GRUB_UTIL */
-+#endif /* defined (GRUB_UTIL) || defined (PLATFORM_EFI) */
-
-
- #ifdef SUPPORT_NETBOOT
-@@ -3165,7 +3551,8 @@ real_root_func (char *arg, int attempt_mount)
- return 1;
-
- /* Print the type of the filesystem. */
-- print_fsys_type ();
-+ if (grub_verbose)
-+ print_fsys_type ();
- }
-
- return 0;
-@@ -3217,146 +3604,181 @@ static struct builtin builtin_rootnoverify =
- };
-
-
--/* savedefault */
-+
-+#if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) && !defined(PLATFORM_EFI)
-+/* Write specified default entry number into stage2 file. */
- static int
--savedefault_func (char *arg, int flags)
-+savedefault_helper(int new_default)
- {
--#if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL)
-- unsigned long tmp_drive = saved_drive;
-- unsigned long tmp_partition = saved_partition;
-- char *default_file = (char *) DEFAULT_FILE_BUF;
-- char buf[10];
-- char sect[SECTOR_SIZE];
-- int entryno;
-- int sector_count = 0;
-- int saved_sectors[2];
-- int saved_offsets[2];
-- int saved_lengths[2];
--
-- /* Save sector information about at most two sectors. */
-- auto void disk_read_savesect_func (int sector, int offset, int length);
-- void disk_read_savesect_func (int sector, int offset, int length)
-- {
-- if (sector_count < 2)
-- {
-- saved_sectors[sector_count] = sector;
-- saved_offsets[sector_count] = offset;
-- saved_lengths[sector_count] = length;
-- }
-- sector_count++;
-- }
--
-- /* This command is only useful when you boot an entry from the menu
-- interface. */
-- if (! (flags & BUILTIN_SCRIPT))
-+ char buffer[512];
-+ int *entryno_ptr;
-+
-+ /* Get the geometry of the boot drive (i.e. the disk which contains
-+ this stage2). */
-+ if (get_diskinfo (boot_drive, &buf_geom))
- {
-- errnum = ERR_UNRECOGNIZED;
-+ errnum = ERR_NO_DISK;
- return 1;
- }
-
-- /* Determine a saved entry number. */
-- if (*arg)
-+ /* Load the second sector of this stage2. */
-+ if (! rawread (boot_drive, install_second_sector, 0, SECTOR_SIZE, buffer))
- {
-- if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0)
-- {
-- int i;
-- int index = 0;
--
-- for (i = 0; i < MAX_FALLBACK_ENTRIES; i++)
-- {
-- if (fallback_entries[i] < 0)
-- break;
-- if (fallback_entries[i] == current_entryno)
-- {
-- index = i + 1;
-- break;
-- }
-- }
--
-- if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0)
-- {
-- /* This is the last. */
-- errnum = ERR_BAD_ARGUMENT;
-- return 1;
-- }
-+ return 1;
-+ }
-
-- entryno = fallback_entries[index];
-- }
-- else if (! safe_parse_maxint (&arg, &entryno))
-- return 1;
-+ /* Sanity check. */
-+ if (buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2
-+ || *((short *) (buffer + STAGE2_VER_MAJ_OFFS)) != COMPAT_VERSION)
-+ {
-+ errnum = ERR_BAD_VERSION;
-+ return 1;
- }
-- else
-- entryno = current_entryno;
-+
-+ entryno_ptr = (int *) (buffer + STAGE2_SAVED_ENTRYNO);
-
-- /* Open the default file. */
-- saved_drive = boot_drive;
-- saved_partition = install_partition;
-- if (grub_open (default_file))
-+ /* Check if the saved entry number differs from current entry number. */
-+ if (*entryno_ptr != new_default)
- {
-- int len;
-+ /* Overwrite the saved entry number. */
-+ *entryno_ptr = new_default;
-
-- disk_read_hook = disk_read_savesect_func;
-- len = grub_read (buf, sizeof (buf));
-- disk_read_hook = 0;
-- grub_close ();
-+ /* Save the image in the disk. */
-+ if (! rawwrite (boot_drive, install_second_sector, buffer))
-+ return 1;
-
-- if (len != sizeof (buf))
-- {
-- /* This is too small. Do not modify the file manually, please! */
-- errnum = ERR_READ;
-- goto fail;
-- }
-+ /* Clear the cache. */
-+ buf_track = -1;
-+ }
-
-- if (sector_count > 2)
-- {
-- /* Is this possible?! Too fragmented! */
-- errnum = ERR_FSYS_CORRUPT;
-- goto fail;
-- }
--
-- /* Set up a string to be written. */
-- grub_memset (buf, '\n', sizeof (buf));
-- grub_sprintf (buf, "%d", entryno);
--
-- if (saved_lengths[0] < sizeof (buf))
-- {
-- /* The file is anchored to another file and the first few bytes
-- are spanned in two sectors. Uggh... */
-- if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE,
-- sect))
-- goto fail;
-- grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]);
-- if (! rawwrite (current_drive, saved_sectors[0], sect))
-- goto fail;
-+ return 0;
-+}
-+#endif
-
-- if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE,
-- sect))
-- goto fail;
-- grub_memmove (sect + saved_offsets[1],
-- buf + saved_lengths[0],
-- sizeof (buf) - saved_lengths[0]);
-- if (! rawwrite (current_drive, saved_sectors[1], sect))
-- goto fail;
-- }
-+#if !defined(SUPPORT_DISKLESS) && defined(GRUB_UTIL)
-+#define SECTOR_SIZE 0x200
-+/*
-+ * Full implementation of new `savedefault' for GRUB shell.
-+ * XXX This needs fixing for stage2 files which aren't accessible
-+ * through a mounted filesystem.
-+ */
-+static int
-+savedefault_shell(char *arg, int flags)
-+{
-+ char *stage2_os_file = "/boot/grub/stage2"; /* Default filename */
-+ FILE *fp;
-+ char buffer[512];
-+ int *entryno_ptr;
-+ int new_default = 0;
-+ int old_default = 0;
-+
-+ while (1)
-+ {
-+ if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0)
-+ {
-+ stage2_os_file = arg + sizeof ("--stage2=") - 1;
-+ arg = skip_to (0, arg);
-+ nul_terminate (stage2_os_file);
-+ }
-+ else if (grub_memcmp ("--default=", arg, sizeof ("--default=") - 1) == 0)
-+ {
-+ char *p = arg + sizeof ("--default=") - 1;
-+ if (! safe_parse_maxint (&p, &new_default))
-+ return 1;
-+ arg = skip_to (0, arg);
-+ }
-+ else if (grub_memcmp ("--once", arg, sizeof ("--once") - 1) == 0)
-+ {
-+ new_default <<= 8;
-+ new_default |= STAGE2_ONCEONLY_ENTRY;
-+ arg = skip_to (0, arg);
-+ }
- else
-- {
-- /* This is a simple case. It fits into a single sector. */
-- if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE,
-- sect))
-- goto fail;
-- grub_memmove (sect + saved_offsets[0], buf, sizeof (buf));
-- if (! rawwrite (current_drive, saved_sectors[0], sect))
-- goto fail;
-- }
-+ break;
-+ }
-
-- /* Clear the cache. */
-- buf_track = -1;
-+ if (! (fp = fopen(stage2_os_file, "r+")))
-+ {
-+ errnum = ERR_FILE_NOT_FOUND;
-+ return 1;
-+ }
-+
-+ if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0)
-+ {
-+ fclose (fp);
-+ errnum = ERR_BAD_VERSION;
-+ return 1;
-+ }
-+
-+ if (fread (buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
-+ {
-+ fclose (fp);
-+ errnum = ERR_READ;
-+ return 1;
- }
-
-- fail:
-- saved_drive = tmp_drive;
-- saved_partition = tmp_partition;
-- return errnum;
-+ /* Sanity check. */
-+ if (buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2
-+ || *((short *) (buffer + STAGE2_VER_MAJ_OFFS)) != COMPAT_VERSION)
-+ {
-+ errnum = ERR_BAD_VERSION;
-+ return 1;
-+ }
-+
-+ entryno_ptr = (int *) (buffer + STAGE2_SAVED_ENTRYNO);
-+ if (new_default & STAGE2_ONCEONLY_ENTRY)
-+ {
-+ old_default=*entryno_ptr;
-+ *entryno_ptr = new_default + (old_default & 0xFF);
-+ }
-+ else
-+ {
-+ *entryno_ptr = new_default;
-+ }
-+
-+ if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0)
-+ {
-+ fclose (fp);
-+ errnum = ERR_BAD_VERSION;
-+ return 1;
-+ }
-+
-+ if (fwrite (buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
-+ {
-+ fclose (fp);
-+ errnum = ERR_WRITE;
-+ return 1;
-+ }
-+
-+ (void)fflush (fp);
-+ fclose (fp);
-+ return 0;
-+}
-+#undef SECTOR_SIZE
-+#endif
-+
-+/* savedefault */
-+static int
-+savedefault_func (char *arg, int flags)
-+{
-+#if !defined(SUPPORT_DISKLESS)
-+#if !defined(GRUB_UTIL)
-+#if !defined(PLATFORM_EFI)
-+ /* This command is only useful when you boot an entry from the menu
-+ interface. */
-+ if (! (flags & BUILTIN_SCRIPT))
-+ {
-+ errnum = ERR_UNRECOGNIZED;
-+ return 1;
-+ }
-+
-+ return savedefault_helper(current_entryno);
-+#else /* defined(PLATFORM_EFI) */
-+ return grub_save_saved_default (current_entryno);
-+#endif
-+#else /* defined(GRUB_UTIL) */
-+ return savedefault_shell(arg, flags);
-+#endif
- #else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */
- errnum = ERR_UNRECOGNIZED;
- return 1;
-@@ -3368,10 +3790,14 @@ static struct builtin builtin_savedefault =
- "savedefault",
- savedefault_func,
- BUILTIN_CMDLINE,
-- "savedefault [NUM | `fallback']",
-- "Save the current entry as the default boot entry if no argument is"
-- " specified. If a number is specified, this number is saved. If"
-- " `fallback' is used, next fallback entry is saved."
-+#ifdef GRUB_UTIL
-+ "savedefault [--stage2=STAGE2_FILE] [--default=DEFAULT] [--once]",
-+ "Save DEFAULT as the default boot entry in STAGE2_FILE. If '--once'"
-+ " is specified, the default is reset after the next reboot."
-+#else
-+ "savedefault",
-+ "Save the current entry as the default boot entry."
-+#endif
- };
-
-
-@@ -3527,6 +3953,7 @@ static struct builtin builtin_serial =
- };
- #endif /* SUPPORT_SERIAL */
-
-+#ifndef PLATFORM_EFI
-
- /* setkey */
- struct keysym
-@@ -3612,50 +4039,47 @@ static struct keysym keysym_table[] =
- {"delete", 0, 0x7f, 0, 0x53}
- };
-
--static int
--setkey_func (char *arg, int flags)
-+static int find_key_code (char *key)
- {
-- char *to_key, *from_key;
-- int to_code, from_code;
-- int map_in_interrupt = 0;
--
-- auto int find_key_code (char *key);
-- auto int find_ascii_code (char *key);
--
-- auto int find_key_code (char *key)
-- {
-- int i;
-+ int i;
-
-- for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
-- {
-- if (keysym_table[i].unshifted_name &&
-- grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
-- return keysym_table[i].keycode;
-- else if (keysym_table[i].shifted_name &&
-- grub_strcmp (key, keysym_table[i].shifted_name) == 0)
-- return keysym_table[i].keycode;
-- }
--
-- return 0;
-+ for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
-+ {
-+ if (keysym_table[i].unshifted_name &&
-+ grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
-+ return keysym_table[i].keycode;
-+ else if (keysym_table[i].shifted_name &&
-+ grub_strcmp (key, keysym_table[i].shifted_name) == 0)
-+ return keysym_table[i].keycode;
- }
-
-- auto int find_ascii_code (char *key)
-+ return 0;
-+}
-+
-+static int find_ascii_code (char *key)
-+{
-+ int i;
-+
-+ for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
- {
-- int i;
--
-- for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
-- {
-- if (keysym_table[i].unshifted_name &&
-- grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
-- return keysym_table[i].unshifted_ascii;
-- else if (keysym_table[i].shifted_name &&
-- grub_strcmp (key, keysym_table[i].shifted_name) == 0)
-- return keysym_table[i].shifted_ascii;
-- }
--
-- return 0;
-+ if (keysym_table[i].unshifted_name &&
-+ grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
-+ return keysym_table[i].unshifted_ascii;
-+ else if (keysym_table[i].shifted_name &&
-+ grub_strcmp (key, keysym_table[i].shifted_name) == 0)
-+ return keysym_table[i].shifted_ascii;
- }
-
-+ return 0;
-+}
-+
-+static int
-+setkey_func (char *arg, int flags)
-+{
-+ char *to_key, *from_key;
-+ int to_code, from_code;
-+ int map_in_interrupt = 0;
-+
- to_key = arg;
- from_key = skip_to (0, to_key);
-
-@@ -3830,15 +4254,15 @@ setup_func (char *arg, int flags)
- {
- char tmp[16];
- grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF);
-- grub_strncat (device, tmp, 256);
-+ grub_strncat (device, tmp, 16);
- }
- if ((partition & 0x00FF00) != 0x00FF00)
- {
- char tmp[16];
- grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF));
-- grub_strncat (device, tmp, 256);
-+ grub_strncat (device, tmp, 16);
- }
-- grub_strncat (device, ")", 256);
-+ grub_strncat (device, ")", 16);
- }
-
- int embed_stage1_5 (char *stage1_5, int drive, int partition)
-@@ -3973,7 +4397,7 @@ setup_func (char *arg, int flags)
-
- /* The prefix was determined. */
- grub_sprintf (stage2, "%s%s", prefix, "/stage2");
-- grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst");
-+ grub_sprintf (config_filename, "%s%s", prefix, "/grub.conf");
- *real_config_filename = 0;
-
- /* Check if stage2 exists. */
-@@ -4083,9 +4507,26 @@ static struct builtin builtin_setup =
- " partition where GRUB images reside, specify the option `--stage2'"
- " to tell GRUB the file name under your OS."
- };
-+#endif /* ! PLATFORM_EFI */
-+
-+
-+static int
-+silent_func (char *arg, int flags)
-+{
-+ silent_grub = 1;
-+ return 0;
-+}
-+
-+static struct builtin builtin_silent =
-+{
-+ "silent",
-+ silent_func,
-+ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-+ "grub will attempt to avoid printing anything to the screen"
-+};
-
-
--#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
-+#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS)
- /* terminal */
- static int
- terminal_func (char *arg, int flags)
-@@ -4244,17 +4685,21 @@ terminal_func (char *arg, int flags)
- end:
- current_term = term_table + default_term;
- current_term->flags = term_flags;
--
-+
- if (lines)
- max_lines = lines;
- else
-- /* 24 would be a good default value. */
-- max_lines = 24;
--
-+ max_lines = current_term->max_lines;
-+
- /* If the interface is currently the command-line,
- restart it to repaint the screen. */
-- if (current_term != prev_term && (flags & BUILTIN_CMDLINE))
-+ if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){
-+ if (prev_term->shutdown)
-+ prev_term->shutdown();
-+ if (current_term->startup)
-+ current_term->startup();
- grub_longjmp (restart_cmdline_env, 0);
-+ }
-
- return 0;
- }
-@@ -4264,7 +4709,7 @@ static struct builtin builtin_terminal =
- "terminal",
- terminal_func,
- BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-- "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules]",
-+ "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]",
- "Select a terminal. When multiple terminals are specified, wait until"
- " you push any key to continue. If both console and serial are specified,"
- " the terminal to which you input a key first will be selected. If no"
-@@ -4276,7 +4721,7 @@ static struct builtin builtin_terminal =
- " seconds. The option --lines specifies the maximum number of lines."
- " The option --silent is used to suppress messages."
- };
--#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
-+#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */
-
-
- #ifdef SUPPORT_SERIAL
-@@ -4462,6 +4907,7 @@ static struct builtin builtin_testload =
- " step is to try loading a kernel."
- };
-
-+#ifndef PLATFORM_EFI
-
- /* testvbe MODE */
- static int
-@@ -4566,6 +5012,7 @@ static struct builtin builtin_testvbe =
- "testvbe MODE",
- "Test the VBE mode MODE. Hit any key to return."
- };
-+#endif /* !PLATFORM_EFI */
-
-
- #ifdef SUPPORT_NETBOOT
-@@ -4598,6 +5045,15 @@ static struct builtin builtin_tftpserver =
- static int
- timeout_func (char *arg, int flags)
- {
-+ /* One-shot default shenanigans -- don't piss around with the menu! */
-+ if (grub_timeout != -1)
-+ return 0;
-+ if ((saved_entryno & STAGE2_ONCEONLY_ENTRY) != 0)
-+ {
-+ grub_timeout = 0;
-+ return 0;
-+ }
-+
- if (! safe_parse_maxint (&arg, &grub_timeout))
- return 1;
-
-@@ -4661,6 +5117,7 @@ static struct builtin builtin_unhide =
- " partition type code."
- };
-
-+#ifndef PLATFORM_EFI
-
- /* uppermem */
- static int
-@@ -4790,11 +5247,34 @@ static struct builtin builtin_vbeprobe =
- "Probe VBE information. If the mode number MODE is specified, show only"
- " the information about only the mode."
- };
--
-+#endif /* ! PLATFORM_EFI */
-+
-+
-+/* version */
-+static int
-+version_func (char *arg, int flags)
-+{
-+ grub_printf ("\n GNU GRUB version %s (%dK lower / %dK upper memory)\n\n",
-+ version_string, mbi.mem_lower, mbi.mem_upper);
-+ return 0;
-+}
-+
-+static struct builtin builtin_version =
-+{
-+ "version",
-+ version_func,
-+ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
-+ "version",
-+ "Display grub version."
-+};
-+
-
- /* The table of builtin commands. Sorted in dictionary order. */
- struct builtin *builtin_table[] =
- {
-+#ifdef SUPPORT_GRAPHICS
-+ &builtin_background,
-+#endif
- &builtin_blocklist,
- &builtin_boot,
- #ifdef SUPPORT_NETBOOT
-@@ -4802,25 +5282,37 @@ struct builtin *builtin_table[] =
- #endif /* SUPPORT_NETBOOT */
- &builtin_cat,
- &builtin_chainloader,
-+ &builtin_clear,
- &builtin_cmp,
- &builtin_color,
- &builtin_configfile,
- &builtin_debug,
- &builtin_default,
--#ifdef GRUB_UTIL
-+#if defined(GRUB_UTIL) || defined(PLATFORM_EFI)
- &builtin_device,
--#endif /* GRUB_UTIL */
-+#endif /* defined(GRUB_UTIL) || defined(PLATFORM_EFI) */
- #ifdef SUPPORT_NETBOOT
- &builtin_dhcp,
- #endif /* SUPPORT_NETBOOT */
-+#ifndef PLATFORM_EFI
- &builtin_displayapm,
-+#endif
- &builtin_displaymem,
- #ifdef GRUB_UTIL
- &builtin_dump,
- #endif /* GRUB_UTIL */
-+#ifdef PLATFORM_EFI
-+ &builtin_efimap,
-+#endif
-+#ifndef PLATFORM_EFI
- &builtin_embed,
-+#endif
- &builtin_fallback,
- &builtin_find,
-+ &builtin_findiso,
-+#ifdef SUPPORT_GRAPHICS
-+ &builtin_foreground,
-+#endif
- &builtin_fstest,
- &builtin_geometry,
- &builtin_halt,
-@@ -4830,27 +5322,35 @@ struct builtin *builtin_table[] =
- #ifdef SUPPORT_NETBOOT
- &builtin_ifconfig,
- #endif /* SUPPORT_NETBOOT */
-+#ifndef PLATFORM_EFI
- &builtin_impsprobe,
-+#endif
- &builtin_initrd,
-+#ifndef PLATFORM_EFI
- &builtin_install,
- &builtin_ioprobe,
-+#endif
- &builtin_kernel,
- &builtin_lock,
- &builtin_makeactive,
-+#ifndef PLATFORM_EFI
- &builtin_map,
-+#endif
- #ifdef USE_MD5_PASSWORDS
- &builtin_md5crypt,
- #endif /* USE_MD5_PASSWORDS */
-+#ifndef PLATFORM_EFI
- &builtin_module,
- &builtin_modulenounzip,
-+#endif
- &builtin_pager,
- &builtin_partnew,
- &builtin_parttype,
- &builtin_password,
- &builtin_pause,
--#ifdef GRUB_UTIL
-+#if defined(GRUB_UTIL) || defined(PLATFORM_EFI)
- &builtin_quit,
--#endif /* GRUB_UTIL */
-+#endif /* defined(GRUB_UTIL) || defined(PLATFORM_EFI) */
- #ifdef SUPPORT_NETBOOT
- &builtin_rarp,
- #endif /* SUPPORT_NETBOOT */
-@@ -4862,23 +5362,35 @@ struct builtin *builtin_table[] =
- #ifdef SUPPORT_SERIAL
- &builtin_serial,
- #endif /* SUPPORT_SERIAL */
-+#ifndef PLATFORM_EFI
- &builtin_setkey,
- &builtin_setup,
--#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
-+#endif
-+ &builtin_silent,
-+#ifdef SUPPORT_GRAPHICS
-+ &builtin_splashimage,
-+#endif /* SUPPORT_GRAPHICS */
-+#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS)
- &builtin_terminal,
--#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
-+#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */
- #ifdef SUPPORT_SERIAL
- &builtin_terminfo,
- #endif /* SUPPORT_SERIAL */
- &builtin_testload,
-+#ifndef PLATFORM_EFI
- &builtin_testvbe,
-+#endif
- #ifdef SUPPORT_NETBOOT
- &builtin_tftpserver,
- #endif /* SUPPORT_NETBOOT */
- &builtin_timeout,
- &builtin_title,
- &builtin_unhide,
-+#ifndef PLATFORM_EFI
- &builtin_uppermem,
- &builtin_vbeprobe,
-+#endif
-+ &builtin_verbose,
-+ &builtin_version,
- 0
- };
-diff --git a/stage2/char_io.c b/stage2/char_io.c
-index c86c240..073201a 100644
---- a/stage2/char_io.c
-+++ b/stage2/char_io.c
-@@ -35,29 +35,37 @@ struct term_entry term_table[] =
- {
- "console",
- 0,
-+ 24,
- console_putchar,
- console_checkkey,
- console_getkey,
-+ console_keystatus,
- console_getxy,
- console_gotoxy,
- console_cls,
- console_setcolorstate,
- console_setcolor,
-- console_setcursor
-+ console_setcursor,
-+ 0,
-+ 0
- },
- #ifdef SUPPORT_SERIAL
- {
- "serial",
- /* A serial device must be initialized. */
- TERM_NEED_INIT,
-+ 24,
- serial_putchar,
- serial_checkkey,
- serial_getkey,
-+ 0,
- serial_getxy,
- serial_gotoxy,
- serial_cls,
- serial_setcolorstate,
- 0,
-+ 0,
-+ 0,
- 0
- },
- #endif /* SUPPORT_SERIAL */
-@@ -65,17 +73,39 @@ struct term_entry term_table[] =
- {
- "hercules",
- 0,
-+ 24,
- hercules_putchar,
- console_checkkey,
- console_getkey,
-+ console_keystatus,
- hercules_getxy,
- hercules_gotoxy,
- hercules_cls,
- hercules_setcolorstate,
- hercules_setcolor,
-- hercules_setcursor
-+ hercules_setcursor,
-+ 0,
-+ 0
- },
- #endif /* SUPPORT_HERCULES */
-+#ifdef SUPPORT_GRAPHICS
-+ { "graphics",
-+ TERM_NEED_INIT, /* flags */
-+ 30, /* number of lines */
-+ graphics_putchar, /* putchar */
-+ console_checkkey, /* checkkey */
-+ console_getkey, /* getkey */
-+ console_keystatus, /* keystatus */
-+ graphics_getxy, /* getxy */
-+ graphics_gotoxy, /* gotoxy */
-+ graphics_cls, /* cls */
-+ graphics_setcolorstate, /* setcolorstate */
-+ graphics_setcolor, /* setcolor */
-+ graphics_setcursor, /* nocursor */
-+ graphics_init, /* initialize */
-+ graphics_end /* shutdown */
-+ },
-+#endif /* SUPPORT_GRAPHICS */
- /* This must be the last entry. */
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
- };
-@@ -101,16 +131,16 @@ print_error (void)
- }
-
- char *
--convert_to_ascii (char *buf, int c,...)
-+convert_to_ascii (char *buf, int c, unsigned int num)
- {
-- unsigned long num = *((&c) + 1), mult = 10;
-+ unsigned int mult = 10;
- char *ptr = buf;
-
- #ifndef STAGE1_5
- if (c == 'x' || c == 'X')
- mult = 16;
-
-- if ((num & 0x80000000uL) && c == 'd')
-+ if ((int) num < 0 && c == 'd')
- {
- num = (~num) + 1;
- *(ptr++) = '-';
-@@ -149,87 +179,266 @@ grub_putstr (const char *str)
- grub_putchar (*str++);
- }
-
--void
--grub_printf (const char *format,...)
-+static void write_char(char **str, char c, int *count)
- {
-- int *dataptr = (int *) &format;
-- char c, str[16];
--
-- dataptr++;
--
-- while ((c = *(format++)) != 0)
-- {
-- if (c != '%')
-- grub_putchar (c);
-- else
-- switch (c = *(format++))
-- {
--#ifndef STAGE1_5
-- case 'd':
-- case 'x':
-- case 'X':
--#endif
-- case 'u':
-- *convert_to_ascii (str, c, *((unsigned long *) dataptr++)) = 0;
-- grub_putstr (str);
-- break;
--
--#ifndef STAGE1_5
-- case 'c':
-- grub_putchar ((*(dataptr++)) & 0xff);
-- break;
-+ if (str && *str)
-+ *(*str)++ = c;
-+ else
-+ putchar(c);
-+ (*count)++;
-+}
-
-- case 's':
-- grub_putstr ((char *) *(dataptr++));
-- break;
--#endif
-- }
-+static void write_str(char **str, char *s, int *count)
-+{
-+ if (s) {
-+ while (*s)
-+ write_char(str, *s++, count);
-+ } else {
-+ write_str(str, "(nil)", count);
- }
- }
-
--#ifndef STAGE1_5
-+#define format_ascii(buf, val, is_hex, is_cap, num_pad_chars) ({ \
-+ int _n = sizeof ((buf)) - 2; \
-+ typeof(val) _nval = (val); \
-+ int _negative = 0; \
-+ int _mult = is_hex ? 16 : 10; \
-+ char _a = is_cap ? 'A' : 'a'; \
-+ int _pad = num_pad_chars; \
-+ char hex[] = "0123456789abcdef"; \
-+ memset((buf), '\0', sizeof ((buf))); \
-+ if (!(_nval > 0LL)) \
-+ _negative = 1; \
-+ if (_nval == 0LL) \
-+ _negative = 0; \
-+ if (_negative) \
-+ _nval = (_nval ^ -1); \
-+ do { \
-+ int _dig = _nval % _mult; \
-+ (buf)[_n--] = ((_dig > 9) ? _dig + _a - 10 : '0'+_dig); \
-+ if (_pad > 0) _pad--; \
-+ } while (_nval /= _mult); \
-+ while (_pad--) \
-+ (buf)[_n--] = '0'; \
-+ if (_negative) \
-+ (buf)[_n--] = '-'; \
-+ _mult = 0; \
-+ _n++; \
-+ while (_n < sizeof ((buf))) \
-+ (buf)[_mult++] = (buf)[_n++]; \
-+ if (_negative && _mult > 1) \
-+ ((buf)[_mult-2])++; \
-+ })
-+
- int
--grub_sprintf (char *buffer, const char *format, ...)
-+grub_vsprintf (char *str, const char *fmt, va_list args)
- {
-- /* XXX hohmuth
-- ugly hack -- should unify with printf() */
-- int *dataptr = (int *) &format;
-- char c, *ptr, str[16];
-- char *bp = buffer;
--
-- dataptr++;
--
-- while ((c = *format++) != 0)
-- {
-- if (c != '%')
-- *bp++ = c; /* putchar(c); */
-- else
-- switch (c = *(format++))
-- {
-- case 'd': case 'u': case 'x':
-- *convert_to_ascii (str, c, *((unsigned long *) dataptr++)) = 0;
--
-- ptr = str;
-+ char c;
-+ char buf[40];
-+ int pos = 0;
-+
-+ int count = 0;
-+
-+ char *str_arg;
-+ int int_arg;
-+ unsigned char uchar_arg;
-+ unsigned ushort_arg;
-+ unsigned int uint_arg;
-+ signed long long_arg;
-+ unsigned long ulong_arg;
-+ signed long long longlong_arg;
-+ unsigned long long ulonglong_arg;
-+
-+ c = *fmt++;
-+ if (!c)
-+ return 0;
-+
-+ int is_fmt = 0, is_long = 0, is_signed = 1, is_cap = 0, is_zero_padded = 0;
-+ int num_pad_chars = 0;
-+ int restart = 1;
-+ do {
-+ if (restart) {
-+ restart = 0;
-+ is_fmt = 0;
-+ is_long = 0;
-+ is_cap = 0;
-+ is_signed = 1;
-+ is_zero_padded = 0;
-+ num_pad_chars = 0;
-+ buf[0] = '\0';
-+ pos = 0;
-+ }
-+
-+ if (!is_fmt) {
-+ if (c == '%') {
-+ is_fmt = 1;
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ continue;
-+ } else {
-+ write_char(&str, c, &count);
-+ continue;
-+ }
-+ }
-+
-+ /* below here we only ever hit when is_fmt is 1 */
-+ switch (c) {
-+ /* first, modifiers */
-+ case '%':
-+ if (pos != 0)
-+ write_str(&str, buf, &count);
-+ write_char(&str, c, &count);
-+ restart = 1;
-+ continue;
-+ case '0':
-+ if (!is_zero_padded) {
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ is_zero_padded++;
-+ continue;
-+ }
-+ case '1':
-+ case '2':
-+ case '3':
-+ case '4':
-+ case '5':
-+ case '6':
-+ case '7':
-+ case '8':
-+ case '9':
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ num_pad_chars *= 10;
-+ num_pad_chars += c - '0';
-+ continue;
-+ case 'l':
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ is_long++;
-+ continue;
-+ case 'L':
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ is_long = 2;
-+ continue;
-+
-+ /* below here are things we actually have to print */
-+ case 'c':
-+ int_arg = va_arg(args, int) & 0xff;
-+ if (int_arg == 0) {
-+ char *tmp_str = "\\x00";
-+ write_str(&tmp_str, buf, &count);
-+ } else {
-+ write_char(&str, int_arg, &count);
-+ }
-+ restart = 1;
-+ continue;
-+ case 'd':
-+ if (is_long == 0) {
-+ int_arg = va_arg(args, signed int);
-+ format_ascii(buf, int_arg, 0, 0, 0);
-+ } else if (is_long == 1) {
-+ long_arg = va_arg(args, signed long);
-+ format_ascii(buf, long_arg, 0, 0, 0);
-+ } else {
-+ longlong_arg = va_arg(args, signed long long);
-+ format_ascii(buf, longlong_arg, 0, 0, 0);
-+ }
-+ write_str(&str, buf, &count);
-+ restart = 1;
-+ continue;
-+ case 's':
-+ str_arg = va_arg(args, char *);
-+ write_str(&str, str_arg, &count);
-+ restart = 1;
-+ continue;
-+ case 'u':
-+ case 'U':
-+ if (is_long == 0) {
-+ uint_arg = va_arg(args, unsigned int);
-+ format_ascii(buf, uint_arg, 0, 0, 0);
-+ } else if (is_long == 1) {
-+ ulong_arg = va_arg(args, unsigned long);
-+ format_ascii(buf, ulong_arg, 0, 0, 0);
-+ } else {
-+ ulonglong_arg = va_arg(args, unsigned long long);
-+ format_ascii(buf, ulonglong_arg, 0, 0, 0);
-+ }
-+ write_str(&str, buf, &count);
-+ restart = 1;
-+ continue;
-+ case 'P':
-+ is_cap = 1;
-+ case 'p':
-+ ulong_arg = va_arg(args, unsigned long);
-+ is_zero_padded = 1;
-+ format_ascii(buf, ulong_arg, 1, is_cap, sizeof(ulong_arg));
-+ write_str(&str, is_cap ? "0X" : "0x", &count);
-+ write_str(&str, buf, &count);
-+ restart = 1;
-+ continue;
-+ case 'X':
-+ is_cap = 1;
-+ case 'x':
-+ if (num_pad_chars == 2) {
-+ int i;
-+ char hex[] = "0123456789abcdef";
-+ uint_arg = va_arg(args, unsigned int);
-+ uchar_arg = uint_arg & 0xff;
-+ format_ascii(buf, uchar_arg, 1, is_cap, num_pad_chars);
-+ } else if (num_pad_chars == 4) {
-+ uint_arg = va_arg(args, unsigned int);
-+ ushort_arg = uint_arg & 0xffff;
-+ format_ascii(buf, ushort_arg, 1, is_cap, num_pad_chars);
-+ } else if (is_long == 0) {
-+ uint_arg = va_arg(args, unsigned int);
-+ format_ascii(buf, uint_arg, 1, is_cap, num_pad_chars);
-+ } else if (is_long == 1) {
-+ ulong_arg = va_arg(args, unsigned long);
-+ format_ascii(buf, ulong_arg, 1, is_cap, num_pad_chars);
-+ } else {
-+ ulonglong_arg = va_arg(args, unsigned long long);
-+ format_ascii(buf, ulonglong_arg, 1, is_cap, num_pad_chars);
-+ }
-+ write_str(&str, buf, &count);
-+ restart = 1;
-+ continue;
-+ default:
-+ buf[pos++] = c;
-+ buf[pos] = '\0';
-+ write_str(&str, buf, &count);
-+ restart = 1;
-+ continue;
-+ }
-+ } while ((c = *fmt++));
-+
-+ if (str)
-+ *str = '\0';
-+ return count;
-+}
-
-- while (*ptr)
-- *bp++ = *(ptr++); /* putchar(*(ptr++)); */
-- break;
-+void
-+grub_printf (char *fmt, ...)
-+{
-+ va_list ap;
-
-- case 'c': *bp++ = (*(dataptr++))&0xff;
-- /* putchar((*(dataptr++))&0xff); */
-- break;
-+ va_start (ap, fmt);
-+ grub_vsprintf (0, fmt, ap);
-+ va_end (ap);
-+}
-
-- case 's':
-- ptr = (char *) (*(dataptr++));
-+#ifndef STAGE1_5
-+int
-+grub_sprintf (char *str, const char *fmt, ...)
-+{
-+ va_list ap;
-+ int ret;
-
-- while ((c = *ptr++) != 0)
-- *bp++ = c; /* putchar(c); */
-- break;
-- }
-- }
-+ va_start (ap, fmt);
-+ ret = grub_vsprintf (str, fmt, ap);
-+ va_end (ap);
-
-- *bp = 0;
-- return bp - buffer;
-+ return ret;
- }
-
-
-@@ -898,7 +1107,6 @@ safe_parse_maxint (char **str_ptr, int *myint_ptr)
- }
- #endif /* STAGE1_5 */
-
--#if !defined(STAGE1_5) || defined(FSYS_FAT)
- int
- grub_tolower (int c)
- {
-@@ -907,7 +1115,6 @@ grub_tolower (int c)
-
- return c;
- }
--#endif /* ! STAGE1_5 || FSYS_FAT */
-
- int
- grub_isspace (int c)
-@@ -1004,6 +1211,16 @@ checkkey (void)
- {
- return current_term->checkkey ();
- }
-+
-+/* Return keyboard modifier status. */
-+int
-+keystatus (void)
-+{
-+ if (current_term->keystatus)
-+ return current_term->keystatus ();
-+ else
-+ return 0;
-+}
- #endif /* ! STAGE1_5 */
-
- /* Display an ASCII character. */
-@@ -1046,13 +1263,15 @@ grub_putchar (int c)
- the following grub_printf call will print newlines. */
- count_lines = -1;
-
-+ grub_printf("\n");
- if (current_term->setcolorstate)
- current_term->setcolorstate (COLOR_STATE_HIGHLIGHT);
-
-- grub_printf ("\n[Hit return to continue]");
-+ grub_printf ("[Hit return to continue]");
-
- if (current_term->setcolorstate)
- current_term->setcolorstate (COLOR_STATE_NORMAL);
-+
-
- do
- {
-@@ -1090,7 +1309,7 @@ void
- cls (void)
- {
- /* If the terminal is dumb, there is no way to clean the terminal. */
-- if (current_term->flags & TERM_DUMB)
-+ if (current_term->flags & TERM_DUMB)
- grub_putchar ('\n');
- else
- current_term->cls ();
-@@ -1125,6 +1344,26 @@ substring (const char *s1, const char *s2)
- return 1;
- }
-
-+int
-+subcasestring (const char *s1, const char *s2)
-+{
-+ while (tolower(*s1) == tolower(*s2))
-+ {
-+ /* The strings match exactly. */
-+ if (! *(s1++))
-+ return 0;
-+ s2 ++;
-+ }
-+
-+ /* S1 is a substring of S2. */
-+ if (*s1 == 0)
-+ return -1;
-+
-+ /* S1 isn't a substring. */
-+ return 1;
-+}
-+
-+
- #ifndef STAGE1_5
- /* Terminate the string STR with NUL. */
- int
-@@ -1172,41 +1411,180 @@ grub_strlen (const char *str)
-
- return len;
- }
--#endif /* ! STAGE1_5 */
-
-+/* this function "borrowed" from dietlibc */
- int
--memcheck (int addr, int len)
-+grub_strspn(const char *s, const char *accept)
- {
--#ifdef GRUB_UTIL
-- auto int start_addr (void);
-- auto int end_addr (void);
--
-- auto int start_addr (void)
-+ int l=0;
-+ int a=1,i,al=grub_strlen(accept);
-+
-+ while((a)&&(*s))
-+ {
-+ for(a=i=0;(!a)&&(i<al);i++)
-+ if (*s==accept[i]) a=1;
-+ if (a) l++;
-+ s++;
-+ }
-+ return l;
-+}
-+
-+/* this function "borrowed" from dietlibc */
-+int
-+grub_strcspn(const char *s, const char *reject)
-+{
-+ int l=0;
-+ int a=1,i,al=grub_strlen(reject);
-+
-+ while((a)&&(*s))
-+ {
-+ for(i=0;(a)&&(i<al);i++)
-+ if (*s==reject[i]) a=0;
-+ if (a) l++;
-+ s++;
-+ }
-+ return l;
-+}
-+
-+/* this function "borrowed" from dietlibc */
-+char *
-+grub_strtok_r(char *s, const char *delim, char **ptrptr) {
-+ char *tmp=0;
-+
-+ if (s==0) s=*ptrptr;
-+ s+=grub_strspn(s,delim); /* overread leading delimiter */
-+ if (*s) {
-+ tmp=s;
-+ s+=grub_strcspn(s,delim);
-+ if (*s) *s++=0; /* not the end ? => terminate it */
-+ }
-+ *ptrptr=s;
-+ return tmp;
-+}
-+
-+char *
-+grub_strchr (const char *s, int c)
-+{
-+ while (*s)
- {
-- int ret;
-+ if (*s == c)
-+ return (char *) s;
-+ s++;
-+ }
-+
-+ return 0;
-+}
-+
-+char *
-+grub_strnchr (const char *s, int c)
-+{
-+ while (*s)
-+ {
-+ if (*s != c)
-+ return (char *) s;
-+ s++;
-+ }
-+
-+ return 0;
-+}
-+
-+char *
-+grub_strrchr (const char *s, int c)
-+{
-+ char *p = 0;
-+
-+ while (*s)
-+ {
-+ if (*s == c)
-+ p = (char *) s;
-+ s++;
-+ }
-+
-+ return p;
-+}
-+
-+int
-+grub_strnlen (const char *s, int n)
-+{
-+ int i;
-+
-+ if (n == 0)
-+ return 0;
-+
-+ for (i = 0; s[i] != '\0' && i < n; i++)
-+ ;
-+ return i;
-+}
-+
-+char *
-+grub_strncpy(char *new, const char *s, int n)
-+{
-+ int i;
-+
-+ for (i = 0; s[i] != '\0' && i < n; i++)
-+ new[i] = s[i];
-+ return new;
-+}
-+
-+int
-+grub_strncasecmp(const char *s0, const char *s1, int n)
-+{
-+ int c0, c1;
-+
-+ if (s0 == s1 || n == 0)
-+ return 0;
-+
-+ do {
-+ c0 = *s0 & ~0x20;
-+ c1 = *s1 & ~0x20;
-+
-+ if (--n == 0 || c0 == '\0')
-+ break;
-+
-+ *s0++;
-+ *s1++;
-+ } while (c0 == c1);
-+
-+ return (c0 > c1 ? 1 : c0 < c1 ? -1 : 0);
-+}
-+
-+#endif /* ! STAGE1_5 */
-+
-+#ifdef GRUB_UTIL
-+static int memcheck_start_addr (void)
-+{
-+ int ret;
- # if defined(HAVE_START_SYMBOL)
-- asm volatile ("movl $start, %0" : "=a" (ret));
-+ asm volatile ("movl $start, %0" : "=a" (ret));
- # elif defined(HAVE_USCORE_START_SYMBOL)
-- asm volatile ("movl $_start, %0" : "=a" (ret));
-+ asm volatile ("movl $_start, %0" : "=a" (ret));
- # endif
-- return ret;
-- }
-+ return ret;
-+}
-
-- auto int end_addr (void)
-- {
-- int ret;
-+static int memcheck_end_addr (void)
-+{
-+ int ret;
- # if defined(HAVE_END_SYMBOL)
-- asm volatile ("movl $end, %0" : "=a" (ret));
-+ asm volatile ("movl $end, %0" : "=a" (ret));
- # elif defined(HAVE_USCORE_END_SYMBOL)
-- asm volatile ("movl $_end, %0" : "=a" (ret));
-+ asm volatile ("movl $_end, %0" : "=a" (ret));
- # endif
-- return ret;
-- }
-+ return ret;
-+}
-+#endif /* GRUB_UTIL */
-
-- if (start_addr () <= addr && end_addr () > addr + len)
-+int
-+memcheck (int addr, int len)
-+{
-+#ifdef GRUB_UTIL
-+ if (memcheck_start_addr () <= addr && memcheck_end_addr () > addr + len)
- return ! errnum;
- #endif /* GRUB_UTIL */
-
-+#ifdef PLATFORM_EFI
-+ return 1;
-+#else
- if ((addr < RAW_ADDR (0x1000))
- || (addr < RAW_ADDR (0x100000)
- && RAW_ADDR (mbi.mem_lower * 1024) < (addr + len))
-@@ -1215,12 +1593,23 @@ memcheck (int addr, int len)
- errnum = ERR_WONT_FIT;
-
- return ! errnum;
-+#endif
-+}
-+
-+void
-+grub_memcpy(void *dest, const void *src, int len)
-+{
-+ int i;
-+ register char *d = (char*)dest, *s = (char*)src;
-+
-+ for (i = 0; i < len; i++)
-+ d[i] = s[i];
- }
-
- void *
- grub_memmove (void *to, const void *from, int len)
- {
-- if (memcheck ((int) to, len))
-+ if (memcheck ((unsigned long) to, len))
- {
- /* This assembly code is stolen from
- linux-2.2.2/include/asm-i386/string.h. This is not very fast
-@@ -1258,7 +1647,7 @@ grub_memset (void *start, int c, int len)
- {
- char *p = start;
-
-- if (memcheck ((int) start, len))
-+ if (memcheck ((unsigned long) start, len))
- {
- while (len -- > 0)
- *p ++ = c;
-@@ -1274,6 +1663,26 @@ grub_strcpy (char *dest, const char *src)
- grub_memmove (dest, src, grub_strlen (src) + 1);
- return dest;
- }
-+
-+char *
-+grub_stpncpy (char *dest, const char *src, int n)
-+{
-+ char *res;
-+
-+ res = NULL;
-+ while (n != 0) {
-+ *dest = *src;
-+ if (*src != 0)
-+ src++;
-+ else if (res == NULL)
-+ res = dest;
-+ dest++;
-+ n--;
-+ }
-+ if (res == NULL)
-+ res = dest;
-+ return res;
-+}
- #endif /* ! STAGE1_5 */
-
- #ifndef GRUB_UTIL
-diff --git a/stage2/cmdline.c b/stage2/cmdline.c
-index a6ee309..cb41eda 100644
---- a/stage2/cmdline.c
-+++ b/stage2/cmdline.c
-@@ -48,12 +48,17 @@ skip_to (int after_equal, char *cmdline)
-
- /* Print a helpful message for the command-line interface. */
- void
--print_cmdline_message (int forever)
-+print_cmdline_message (int type)
- {
- printf (" [ Minimal BASH-like line editing is supported. For the first word, TAB\n"
- " lists possible command completions. Anywhere else TAB lists the possible\n"
-- " completions of a device/filename.%s ]\n",
-- (forever ? "" : " ESC at any time exits."));
-+ " completions of a device/filename.");
-+ if (type == CMDLINE_NORMAL_MODE)
-+ printf(" ESC at any time exits.");
-+ if (type == CMDLINE_EDIT_MODE)
-+ printf(" ESC at any time cancels. ENTER \n"
-+ " at any time accepts your changes.");
-+ printf("]\n");
- }
-
- /* Find the builtin whose command name is COMMAND and return the
-@@ -128,7 +133,7 @@ enter_cmdline (char *heap, int forever)
- print_network_configuration ();
- grub_putchar ('\n');
- #endif
-- print_cmdline_message (forever);
-+ print_cmdline_message (forever ? CMDLINE_FOREVER_MODE : CMDLINE_NORMAL_MODE);
-
- while (1)
- {
-@@ -215,7 +220,7 @@ run_script (char *script, char *heap)
- while (*cur_entry++)
- ;
-
-- grub_memmove (heap, old_entry, (int) cur_entry - (int) old_entry);
-+ grub_memmove (heap, old_entry, cur_entry - old_entry);
- if (! *heap)
- {
- /* If there is no more command in SCRIPT... */
-@@ -232,12 +237,12 @@ run_script (char *script, char *heap)
- builtin = find_command (heap);
- if (! builtin)
- {
-- grub_printf ("%s\n", old_entry);
-+ grub_verbose_printf ("%s\n", old_entry);
- continue;
- }
-
- if (! (builtin->flags & BUILTIN_NO_ECHO))
-- grub_printf ("%s\n", old_entry);
-+ grub_verbose_printf ("%s\n", old_entry);
-
- /* If BUILTIN cannot be run in the command-line, skip it. */
- if (! (builtin->flags & BUILTIN_CMDLINE))
-diff --git a/stage2/common.c b/stage2/common.c
-index 09f9e31..e96bec2 100644
---- a/stage2/common.c
-+++ b/stage2/common.c
-@@ -32,7 +32,7 @@
- struct multiboot_info mbi;
- unsigned long saved_drive;
- unsigned long saved_partition;
--unsigned long cdrom_drive;
-+unsigned long cdrom_drive = 0x100;
- #ifndef STAGE1_5
- unsigned long saved_mem_upper;
-
-@@ -114,7 +114,7 @@ mmap_avail_at (unsigned long bottom)
- {
- for (cont = 0, addr = mbi.mmap_addr;
- addr < mbi.mmap_addr + mbi.mmap_length;
-- addr += *((unsigned long *) addr) + 4)
-+ addr += *((unsigned int *) addr) + 4)
- {
- struct AddrRangeDesc *desc = (struct AddrRangeDesc *) addr;
-
-@@ -183,11 +183,11 @@ init_bios_info (void)
- cont = get_mmap_entry ((void *) addr, cont);
-
- /* If the returned buffer's length is zero, quit. */
-- if (! *((unsigned long *) addr))
-+ if (! *((unsigned int *) addr))
- break;
-
-- mbi.mmap_length += *((unsigned long *) addr) + 4;
-- addr += *((unsigned long *) addr) + 4;
-+ mbi.mmap_length += *((unsigned int *) addr) + 4;
-+ addr += *((unsigned int *) addr) + 4;
- }
- while (cont);
-
-@@ -207,7 +207,7 @@ init_bios_info (void)
- /* Find the maximum available address. Ignore any memory holes. */
- for (max_addr = 0, addr = mbi.mmap_addr;
- addr < mbi.mmap_addr + mbi.mmap_length;
-- addr += *((unsigned long *) addr) + 4)
-+ addr += *((unsigned int *) addr) + 4)
- {
- struct AddrRangeDesc *desc = (struct AddrRangeDesc *) addr;
-
-@@ -322,6 +322,9 @@ init_bios_info (void)
-
- /* Set cdrom drive. */
- {
-+#ifdef PLATFORM_EFI
-+ cdrom_drive = 0x100;
-+#else
- struct geometry geom;
-
- /* Get the geometry. */
-@@ -330,6 +333,7 @@ init_bios_info (void)
- cdrom_drive = GRUB_INVALID_DRIVE;
- else
- cdrom_drive = boot_drive;
-+#endif
- }
-
- /* Start main routine here. */
-diff --git a/stage2/disk_io.c b/stage2/disk_io.c
-index b9bc526..f3fed0e 100644
---- a/stage2/disk_io.c
-+++ b/stage2/disk_io.c
-@@ -21,12 +21,17 @@
-
- #include <shared.h>
- #include <filesys.h>
-+#include <gpt.h>
-
- #ifdef SUPPORT_NETBOOT
- # define GRUB 1
- # include <etherboot.h>
- #endif
-
-+#ifdef PLATFORM_EFI
-+#include "efistubs.h"
-+#endif
-+
- #ifdef GRUB_UTIL
- # include <device.h>
- #endif
-@@ -48,6 +53,9 @@ int fsmax;
- struct fsys_entry fsys_table[NUM_FSYS + 1] =
- {
- /* TFTP should come first because others don't handle net device. */
-+# ifdef PLATFORM_EFI
-+ {"efitftp", efi_tftp_mount, efi_tftp_read, efi_tftp_dir, efi_tftp_close, 0},
-+# endif
- # ifdef FSYS_TFTP
- {"tftp", tftp_mount, tftp_read, tftp_dir, tftp_close, 0},
- # endif
-@@ -75,6 +83,9 @@ struct fsys_entry fsys_table[NUM_FSYS + 1] =
- # ifdef FSYS_UFS2
- {"ufs2", ufs2_mount, ufs2_read, ufs2_dir, 0, ufs2_embed},
- # endif
-+# ifdef PLATFORM_EFI
-+ {"uefi", uefi_mount, uefi_read, uefi_dir, uefi_close, 0},
-+# endif
- # ifdef FSYS_ISO9660
- {"iso9660", iso9660_mount, iso9660_read, iso9660_dir, 0, 0},
- # endif
-@@ -127,8 +138,8 @@ struct geometry buf_geom;
- int filepos;
- int filemax;
-
--static inline unsigned long
--log2 (unsigned long word)
-+static inline unsigned int
-+grub_log2 (unsigned int word)
- {
- asm volatile ("bsfl %1,%0"
- : "=r" (word)
-@@ -140,7 +151,7 @@ int
- rawread (int drive, int sector, int byte_offset, int byte_len, char *buf)
- {
- int slen, sectors_per_vtrack;
-- int sector_size_bits = log2 (buf_geom.sector_size);
-+ int sector_size_bits = grub_log2 (buf_geom.sector_size);
-
- if (byte_len <= 0)
- return 1;
-@@ -163,7 +174,7 @@ rawread (int drive, int sector, int byte_offset, int byte_len, char *buf)
- }
- buf_drive = drive;
- buf_track = -1;
-- sector_size_bits = log2 (buf_geom.sector_size);
-+ sector_size_bits = grub_log2 (buf_geom.sector_size);
- }
-
- /* Make sure that SECTOR is valid. */
-@@ -297,7 +308,7 @@ devread (int sector, int byte_offset, int byte_len, char *buf)
- * Check partition boundaries
- */
- if (sector < 0
-- || ((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS))
-+ || ((sector + ((byte_offset + byte_len - 1) >> get_sector_bits(current_drive)))
- >= part_length))
- {
- errnum = ERR_OUTSIDE_PART;
-@@ -307,8 +318,8 @@ devread (int sector, int byte_offset, int byte_len, char *buf)
- /*
- * Get the read to the beginning of a partition.
- */
-- sector += byte_offset >> SECTOR_BITS;
-- byte_offset &= SECTOR_SIZE - 1;
-+ sector += byte_offset >> get_sector_bits(current_drive);
-+ byte_offset &= get_sector_size(current_drive) - 1;
-
- #if !defined(STAGE1_5)
- if (disk_read_hook && debug)
-@@ -347,7 +358,7 @@ rawwrite (int drive, int sector, char *buf)
- sector = 1;
- }
-
-- memmove ((char *) SCRATCHADDR, buf, SECTOR_SIZE);
-+ memmove ((char *) SCRATCHADDR, buf, get_sector_size(drive));
- if (biosdisk (BIOSDISK_WRITE, drive, &buf_geom,
- sector, 1, SCRATCHSEG))
- {
-@@ -373,23 +384,23 @@ devwrite (int sector, int sector_count, char *buf)
- embed a Stage 1.5 into a partition instead of a MBR, use system
- calls directly instead of biosdisk, because of the bug in
- Linux. *sigh* */
-- return write_to_partition (device_map, current_drive, current_partition,
-- sector, sector_count, buf);
-+ int ret;
-+ ret = write_to_partition (device_map, current_drive, current_partition,
-+ sector, sector_count, buf);
-+ if (ret != -1)
-+ return ret;
- }
-- else
- #endif /* GRUB_UTIL && __linux__ */
-- {
-- int i;
--
-- for (i = 0; i < sector_count; i++)
-- {
-- if (! rawwrite (current_drive, part_start + sector + i,
-- buf + (i << SECTOR_BITS)))
-- return 0;
-+ int i;
-
-- }
-- return 1;
-- }
-+ for (i = 0; i < sector_count; i++)
-+ {
-+ if (! rawwrite (current_drive, part_start + sector + i,
-+ buf + (i << get_sector_bits(current_drive))))
-+ return 0;
-+
-+ }
-+ return 1;
- }
-
- static int
-@@ -400,7 +411,7 @@ sane_partition (void)
- return 1;
-
- if (!(current_partition & 0xFF000000uL)
-- && ((current_drive & 0xFFFFFF7F) < 8
-+ && ((current_drive & 0xFFFFFF7F) < MAX_HD_NUM
- || current_drive == cdrom_drive)
- && (current_partition & 0xFF) == 0xFF
- && ((current_partition & 0xFF00) == 0xFF00
-@@ -458,7 +469,7 @@ make_saved_active (void)
- }
-
- /* Read the MBR in the scratch space. */
-- if (! rawread (saved_drive, 0, 0, SECTOR_SIZE, mbr))
-+ if (! rawread (saved_drive, 0, 0, get_sector_size(saved_drive), mbr))
- return 0;
-
- /* If the partition is an extended partition, setting the active
-@@ -502,8 +513,8 @@ int
- set_partition_hidden_flag (int hidden)
- {
- unsigned long part = 0xFFFFFF;
-- unsigned long start, len, offset, ext_offset;
-- int entry, type;
-+ unsigned long start, len, offset, ext_offset, gpt_offset;
-+ int entry, type, gpt_count, gpt_size;
- char mbr[512];
-
- /* The drive must be a hard disk. */
-@@ -524,8 +535,15 @@ set_partition_hidden_flag (int hidden)
- /* Look for the partition. */
- while (next_partition (current_drive, 0xFFFFFF, &part, &type,
- &start, &len, &offset, &entry,
-- &ext_offset, mbr))
-- {
-+ &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
-+ {
-+ /* The partition may not be a GPT partition. */
-+ if (gpt_offset != 0)
-+ {
-+ errnum = ERR_BAD_ARGUMENT;
-+ return 1;
-+ }
-+
- if (part == current_partition)
- {
- /* Found. */
-@@ -577,11 +595,14 @@ next_partition (unsigned long drive, unsigned long dest,
- unsigned long *partition, int *type,
- unsigned long *start, unsigned long *len,
- unsigned long *offset, int *entry,
-- unsigned long *ext_offset, char *buf)
-+ unsigned long *ext_offset,
-+ unsigned long *gpt_offset, int *gpt_count,
-+ int *gpt_size, char *buf)
- {
- /* Forward declarations. */
- auto int next_bsd_partition (void);
- auto int next_pc_slice (void);
-+ auto int next_gpt_slice(void);
-
- /* Get next BSD partition in current PC slice. */
- int next_bsd_partition (void)
-@@ -601,7 +622,7 @@ next_partition (unsigned long drive, unsigned long dest,
-
- /* Read the BSD label. */
- if (! rawread (drive, *start + BSD_LABEL_SECTOR,
-- 0, SECTOR_SIZE, buf))
-+ 0, get_sector_size(drive), buf))
- return 0;
-
- /* Check if it is valid. */
-@@ -656,7 +677,7 @@ next_partition (unsigned long drive, unsigned long dest,
- }
-
- /* Read the MBR or the boot sector of the extended partition. */
-- if (! rawread (drive, *offset, 0, SECTOR_SIZE, buf))
-+ if (! rawread (drive, *offset, 0, get_sector_size(drive), buf))
- return 0;
-
- /* Check if it is valid. */
-@@ -666,6 +687,42 @@ next_partition (unsigned long drive, unsigned long dest,
- return 0;
- }
-
-+ /* If this is a GPT partition table, read it as such. */
-+ if (*entry == -1 && *offset == 0 &&
-+ (PC_SLICE_TYPE (buf, 0) == PC_SLICE_TYPE_GPT ||
-+ PC_SLICE_TYPE (buf, 0) == PC_SLICE_TYPE_NONE))
-+ {
-+ struct grub_gpt_header *hdr = (struct grub_gpt_header *) buf;
-+
-+ /* Read in the GPT Partition table header. */
-+ if (! rawread (drive, 1, 0, get_sector_size(drive), buf))
-+ return 0;
-+
-+ if (hdr->magic == GPT_HEADER_MAGIC && hdr->version == 0x10000)
-+ {
-+ /* Let gpt_offset point to the first entry in the GPT
-+ partition table. This can also be used by callers of
-+ next_partition to determine if a entry comes from a
-+ GPT partition table or not. */
-+ *gpt_offset = hdr->partitions;
-+ *gpt_count = hdr->maxpart;
-+ *gpt_size = hdr->partentry_size;
-+
-+ return next_gpt_slice();
-+ }
-+ else
-+ {
-+ /* This is not a valid header for a GPT partition table.
-+ Re-read the MBR or the boot sector of the extended
-+ partition. */
-+ if (! rawread (drive, *offset, 0, get_sector_size(drive), buf))
-+ return 0;
-+ }
-+ }
-+
-+ /* Not a GPT partition. */
-+ *gpt_offset = 0;
-+
- /* Increase the entry number. */
- (*entry)++;
-
-@@ -710,6 +767,43 @@ next_partition (unsigned long drive, unsigned long dest,
- return 1;
- }
-
-+ /* Get the next GPT slice. */
-+ int next_gpt_slice (void)
-+ {
-+ struct grub_gpt_partentry *gptentry = (struct grub_gpt_partentry *) buf;
-+ /* Make GPT partitions show up as PC slices. */
-+ int pc_slice_no = (*partition & 0xFF0000) >> 16;
-+
-+ /* If this is the first time... */
-+ if (pc_slice_no == 0xFF)
-+ {
-+ pc_slice_no = -1;
-+ *entry = -1;
-+ }
-+
-+ do {
-+ (*entry)++;
-+
-+ if (*entry >= *gpt_count)
-+ {
-+ errnum = ERR_NO_PART;
-+ return 0;
-+ }
-+ /* Read in the GPT Partition table entry. */
-+ if (! rawread (drive, (*gpt_offset) + GPT_ENTRY_SECTOR (drive, *gpt_size, *entry), GPT_ENTRY_INDEX (drive, *gpt_size, *entry), *gpt_size, buf))
-+ return 0;
-+ } while (! (gptentry->type1 && gptentry->type2));
-+
-+ pc_slice_no++;
-+ *start = gptentry->start;
-+ *len = gptentry->end - gptentry->start + 1;
-+ *type = PC_SLICE_TYPE_EXT2FS;
-+ *entry = pc_slice_no;
-+ *partition = (*entry << 16) | 0xFFFF;
-+
-+ return 1;
-+ }
-+
- /* Start the body of this function. */
-
- #ifndef STAGE1_5
-@@ -717,6 +811,9 @@ next_partition (unsigned long drive, unsigned long dest,
- return 0;
- #endif
-
-+ if (*partition != 0xFFFFFF && *gpt_offset != 0)
-+ return next_gpt_slice ();
-+
- /* If previous partition is a BSD partition or a PC slice which
- contains BSD partitions... */
- if ((*partition != 0xFFFFFF && IS_PC_SLICE_TYPE_BSD (*type & 0xff))
-@@ -755,8 +852,11 @@ real_open_partition (int flags)
- unsigned long dest_partition = current_partition;
- unsigned long part_offset;
- unsigned long ext_offset;
-+ unsigned long gpt_offset;
-+ int gpt_count;
-+ int gpt_size;
- int entry;
-- char buf[SECTOR_SIZE];
-+ char buf[4096];
- int bsd_part, pc_slice;
-
- /* For simplicity. */
-@@ -766,7 +866,8 @@ real_open_partition (int flags)
- int ret = next_partition (current_drive, dest_partition,
- ¤t_partition, ¤t_slice,
- &part_start, &part_length,
-- &part_offset, &entry, &ext_offset, buf);
-+ &part_offset, &entry, &ext_offset,
-+ &gpt_offset, &gpt_count, &gpt_size, buf);
- bsd_part = (current_partition >> 8) & 0xFF;
- pc_slice = current_partition >> 16;
- return ret;
-@@ -926,6 +1027,17 @@ open_partition (void)
- return real_open_partition (0);
- }
-
-+#if !defined(PLATFORM_EFI) && !defined(GRUB_UTIL)
-+int get_sector_size (int drive)
-+{
-+ return SECTOR_SIZE;
-+}
-+int get_sector_bits (int drive)
-+{
-+ return SECTOR_BITS;
-+}
-+#endif /* !defined(PLATFORM_EFI) && !defined(GRUB_UTIL) */
-+
-
- #ifndef STAGE1_5
- /* XX used for device completion in 'set_device' and 'print_completions' */
-@@ -978,7 +1090,7 @@ set_device (char *device)
- if (*device != ',' && *device != ')')
- {
- char ch = *device;
--#ifdef SUPPORT_NETBOOT
-+#if defined(SUPPORT_NETBOOT) || defined(PLATFORM_EFI)
- if (*device == 'f' || *device == 'h'
- || (*device == 'n' && network_ready)
- || (*device == 'c' && cdrom_drive != GRUB_INVALID_DRIVE))
-@@ -1002,14 +1114,14 @@ set_device (char *device)
-
- if ((*device == 'f'
- || *device == 'h'
--#ifdef SUPPORT_NETBOOT
-+#if defined(SUPPORT_NETBOOT) || defined(PLATFORM_EFI)
- || (*device == 'n' && network_ready)
- #endif
- || (*device == 'c' && cdrom_drive != GRUB_INVALID_DRIVE))
- && (device += 2, (*(device - 1) != 'd')))
- errnum = ERR_NUMBER_PARSING;
--
--#ifdef SUPPORT_NETBOOT
-+
-+#if defined(SUPPORT_NETBOOT) || defined(PLATFORM_EFI)
- if (ch == 'n' && network_ready)
- current_drive = NETWORK_DRIVE;
- else
-@@ -1131,7 +1243,7 @@ set_bootdev (int hdbias)
- if ((saved_drive & 0x80) && cur_part_addr)
- {
- if (rawread (saved_drive, cur_part_offset,
-- 0, SECTOR_SIZE, (char *) SCRATCHADDR))
-+ 0, get_sector_size(saved_drive), (char *) SCRATCHADDR))
- {
- char *dst, *src;
-
-@@ -1243,6 +1355,12 @@ setup_part (char *filename)
-
-
- #ifndef STAGE1_5
-+char *
-+get_fsys_type (void)
-+{
-+ return fsys_table[fsys_type].name;
-+}
-+
- /*
- * This prints the filesystem type or gives relevant information.
- */
-@@ -1376,7 +1494,7 @@ print_completions (int is_filename, int is_completion)
-
- if (!ptr
- || *(ptr-1) != 'd'
--#ifdef SUPPORT_NETBOOT
-+#if defined(SUPPORT_NETBOOT) || defined(PLATFORM_EFI)
- || *(ptr-2) != 'n'
- #endif /* SUPPORT_NETBOOT */
- || *(ptr-2) != 'c')
-@@ -1385,7 +1503,7 @@ print_completions (int is_filename, int is_completion)
- i < (ptr && (*(ptr-1) == 'd' && *(ptr-2) == 'f') ? 1:2);
- i++)
- {
-- for (j = 0; j < 8; j++)
-+ for (j = 0; j < MAX_HD_NUM; j++)
- {
- disk_no = (i * 0x80) + j;
- if ((disk_choice || disk_no == current_drive)
-@@ -1407,7 +1525,7 @@ print_completions (int is_filename, int is_completion)
- || (*(ptr-1) == 'd' && *(ptr-2) == 'c')))
- print_a_completion ("cd");
-
--# ifdef SUPPORT_NETBOOT
-+# if defined(SUPPORT_NETBOOT) || defined(PLATFORM_EFI)
- if (network_ready
- && (disk_choice || NETWORK_DRIVE == current_drive)
- && (!ptr
-@@ -1596,7 +1714,7 @@ grub_open (char *filename)
-
- BLK_BLKLENGTH (list_addr) = tmp;
-
-- filemax += (tmp * SECTOR_SIZE);
-+ filemax += (tmp * get_sector_size(current_drive));
- list_addr += BLK_BLKLIST_INC_VAL;
-
- if (*ptr != ',')
-@@ -1673,6 +1791,7 @@ grub_read (char *buf, int len)
- if (block_file)
- {
- int size, off, ret = 0;
-+ int sector_size = get_sector_size(current_drive);
-
- while (len && !errnum)
- {
-@@ -1687,10 +1806,10 @@ grub_read (char *buf, int len)
- /* run BLK_CUR_FILEPOS up to filepos */
- while (filepos > BLK_CUR_FILEPOS)
- {
-- if ((filepos - (BLK_CUR_FILEPOS & ~(SECTOR_SIZE - 1)))
-- >= SECTOR_SIZE)
-+ if ((filepos - (BLK_CUR_FILEPOS & ~(sector_size - 1)))
-+ >= sector_size)
- {
-- BLK_CUR_FILEPOS += SECTOR_SIZE;
-+ BLK_CUR_FILEPOS += sector_size;
- BLK_CUR_BLKNUM++;
-
- if (BLK_CUR_BLKNUM >= BLK_BLKLENGTH (BLK_CUR_BLKLIST))
-@@ -1703,9 +1822,9 @@ grub_read (char *buf, int len)
- BLK_CUR_FILEPOS = filepos;
- }
-
-- off = filepos & (SECTOR_SIZE - 1);
-+ off = filepos & (sector_size - 1);
- size = ((BLK_BLKLENGTH (BLK_CUR_BLKLIST) - BLK_CUR_BLKNUM)
-- * SECTOR_SIZE) - off;
-+ * sector_size) - off;
- if (size > len)
- size = len;
-
-diff --git a/stage2/efistubs.c b/stage2/efistubs.c
-new file mode 100644
-index 0000000..29b086a
---- /dev/null
-+++ b/stage2/efistubs.c
-@@ -0,0 +1,7 @@
-+
-+#include "shared.h"
-+#include "efistubs.h"
-+
-+#if defined(PLATFORM_EFI)
-+int network_ready = 0;
-+#endif /* defined(PLATFORM_EFI) */
-diff --git a/stage2/efistubs.h b/stage2/efistubs.h
-new file mode 100644
-index 0000000..97e407d
---- /dev/null
-+++ b/stage2/efistubs.h
-@@ -0,0 +1,8 @@
-+#ifndef EFISTUBS_H
-+#define EFISTUBS_H 1
-+
-+#if defined(PLATFORM_EFI)
-+extern int network_ready;
-+#endif /* defined(PLATFORM_EFI) */
-+
-+#endif /* EFISTUBS_H */
-diff --git a/stage2/fat.h b/stage2/fat.h
-index 7fed6ba..f154eed 100644
---- a/stage2/fat.h
-+++ b/stage2/fat.h
-@@ -92,7 +92,7 @@ struct fat_bpb {
- #define FAT_DIRENTRY_FIRST_CLUSTER(entry) \
- ((*((unsigned short *) (entry+26)))+(*((unsigned short *) (entry+20)) << 16))
- #define FAT_DIRENTRY_FILELENGTH(entry) \
-- (*((unsigned long *) (entry+28)))
-+ (*((unsigned int *) (entry+28)))
-
- #define FAT_LONGDIR_ID(entry) \
- (*((unsigned char *) (entry)))
-diff --git a/stage2/filesys.h b/stage2/filesys.h
-index bbad8b9..79e5f1f 100644
---- a/stage2/filesys.h
-+++ b/stage2/filesys.h
-@@ -40,6 +40,16 @@ int ufs2_embed (int *start_sector, int needed_sectors);
- #define FSYS_UFS2_NUM 0
- #endif
-
-+#ifdef PLATFORM_EFI
-+#define FSYS_UEFI_NUM 1
-+int uefi_mount (void);
-+int uefi_read (char *buf, int len);
-+int uefi_dir (char *dirname);
-+void uefi_close (void);
-+#else
-+#define FSYS_UEFI_NUM 0
-+#endif
-+
- #ifdef FSYS_FAT
- #define FSYS_FAT_NUM 1
- int fat_mount (void);
-@@ -115,6 +125,17 @@ void tftp_close (void);
- #define FSYS_TFTP_NUM 0
- #endif
-
-+#ifdef PLATFORM_EFI
-+#define FSYS_EFI_TFTP_NUM 1
-+int efi_tftp_mount (void);
-+int efi_tftp_read (char *buf, int len);
-+int efi_tftp_dir (char *dirname);
-+void efi_tftp_close (void);
-+#else
-+#define FSYS_EFI_TFTP_NUM 0
-+#endif
-+
-+
- #ifdef FSYS_ISO9660
- #define FSYS_ISO9660_NUM 1
- int iso9660_mount (void);
-@@ -128,7 +149,8 @@ int iso9660_dir (char *dirname);
- #define NUM_FSYS \
- (FSYS_FFS_NUM + FSYS_FAT_NUM + FSYS_EXT2FS_NUM + FSYS_MINIX_NUM \
- + FSYS_REISERFS_NUM + FSYS_VSTAFS_NUM + FSYS_JFS_NUM + FSYS_XFS_NUM \
-- + FSYS_TFTP_NUM + FSYS_ISO9660_NUM + FSYS_UFS2_NUM)
-+ + FSYS_TFTP_NUM + FSYS_EFI_TFTP_NUM + FSYS_ISO9660_NUM + FSYS_UFS2_NUM \
-+ + FSYS_UEFI_NUM)
- #endif
-
- /* defines for the block filesystem info area */
-@@ -137,8 +159,8 @@ int iso9660_dir (char *dirname);
- #define BLK_CUR_BLKLIST (*((int*)(FSYS_BUF+4)))
- #define BLK_CUR_BLKNUM (*((int*)(FSYS_BUF+8)))
- #define BLK_MAX_ADDR (FSYS_BUF+0x7FF9)
--#define BLK_BLKSTART(l) (*((int*)l))
--#define BLK_BLKLENGTH(l) (*((int*)(l+4)))
-+#define BLK_BLKSTART(l) (*((int*)(unsigned long)l))
-+#define BLK_BLKLENGTH(l) (*((int*)(unsigned long)(l+4)))
- #define BLK_BLKLIST_START (FSYS_BUF+12)
- #define BLK_BLKLIST_INC_VAL 8
- #endif /* NO_BLOCK_FILES */
-diff --git a/stage2/fsys_ext2fs.c b/stage2/fsys_ext2fs.c
-index 560048f..01386d1 100644
---- a/stage2/fsys_ext2fs.c
-+++ b/stage2/fsys_ext2fs.c
-@@ -25,7 +25,7 @@
- static int mapblock1, mapblock2;
-
- /* sizes are always in bytes, BLOCK values are always in DEV_BSIZE (sectors) */
--#define DEV_BSIZE 512
-+#define DEV_BSIZE get_sector_size(current_drive)
-
- /* include/linux/fs.h */
- #define BLOCK_SIZE 1024 /* initial block size for superblock read */
-@@ -33,6 +33,7 @@ static int mapblock1, mapblock2;
- #define WHICH_SUPER 1
- /* kind of from fs/ext2/super.c */
- #define SBLOCK (WHICH_SUPER * BLOCK_SIZE / DEV_BSIZE) /* = 2 */
-+#define SBOFF ((WHICH_SUPER * BLOCK_SIZE) % DEV_BSIZE)
-
- /* include/asm-i386/types.h */
- typedef __signed__ char __s8;
-@@ -41,6 +42,7 @@ typedef __signed__ short __s16;
- typedef unsigned short __u16;
- typedef __signed__ int __s32;
- typedef unsigned int __u32;
-+typedef unsigned long long __u64;
-
- /*
- * Constants relative to the data blocks, from ext2_fs.h
-@@ -51,7 +53,7 @@ typedef unsigned int __u32;
- #define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1)
- #define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1)
-
--/* include/linux/ext2_fs.h */
-+/* lib/ext2fs/ext2_fs.h from e2fsprogs */
- struct ext2_super_block
- {
- __u32 s_inodes_count; /* Inodes count */
-@@ -61,9 +63,9 @@ struct ext2_super_block
- __u32 s_free_inodes_count; /* Free inodes count */
- __u32 s_first_data_block; /* First Data Block */
- __u32 s_log_block_size; /* Block size */
-- __s32 s_log_frag_size; /* Fragment size */
-+ __s32 s_obso_log_frag_size; /* Obsoleted Fragment size */
- __u32 s_blocks_per_group; /* # Blocks per group */
-- __u32 s_frags_per_group; /* # Fragments per group */
-+ __u32 s_obso_frags_per_group; /* Obsoleted Fragments per group */
- __u32 s_inodes_per_group; /* # Inodes per group */
- __u32 s_mtime; /* Mount time */
- __u32 s_wtime; /* Write time */
-@@ -72,17 +74,76 @@ struct ext2_super_block
- __u16 s_magic; /* Magic signature */
- __u16 s_state; /* File system state */
- __u16 s_errors; /* Behaviour when detecting errors */
-- __u16 s_pad;
-+ __u16 s_minor_rev_level; /* minor revision level */
- __u32 s_lastcheck; /* time of last check */
- __u32 s_checkinterval; /* max. time between checks */
- __u32 s_creator_os; /* OS */
- __u32 s_rev_level; /* Revision level */
- __u16 s_def_resuid; /* Default uid for reserved blocks */
- __u16 s_def_resgid; /* Default gid for reserved blocks */
-- __u32 s_reserved[235]; /* Padding to the end of the block */
-- };
--
--struct ext2_group_desc
-+ /*
-+ * These fields are for EXT2_DYNAMIC_REV superblocks only.
-+ *
-+ * Note: the difference between the compatible feature set and
-+ * the incompatible feature set is that if there is a bit set
-+ * in the incompatible feature set that the kernel doesn't
-+ * know about, it should refuse to mount the filesystem.
-+ *
-+ * e2fsck's requirements are more strict; if it doesn't know
-+ * about a feature in either the compatible or incompatible
-+ * feature set, it must abort and not try to meddle with
-+ * things it doesn't understand...
-+ */
-+ __u32 s_first_ino; /* First non-reserved inode */
-+ __u16 s_inode_size; /* size of inode structure */
-+ __u16 s_block_group_nr; /* block group # of this superblock */
-+ __u32 s_feature_compat; /* compatible feature set */
-+ __u32 s_feature_incompat; /* incompatible feature set */
-+ __u32 s_feature_ro_compat; /* readonly-compatible feature set */
-+ __u8 s_uuid[16]; /* 128-bit uuid for volume */
-+ char s_volume_name[16]; /* volume name */
-+ char s_last_mounted[64]; /* directory where last mounted */
-+ __u32 s_algorithm_usage_bitmap; /* For compression */
-+ /*
-+ * Performance hints. Directory preallocation should only
-+ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on.
-+ */
-+ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
-+ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
-+ __u16 s_reserved_gdt_blocks;/* Per group table for online growth */
-+ /*
-+ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set.
-+ */
-+ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
-+ __u32 s_journal_inum; /* inode number of journal file */
-+ __u32 s_journal_dev; /* device number of journal file */
-+ __u32 s_last_orphan; /* start of list of inodes to delete */
-+ __u32 s_hash_seed[4]; /* HTREE hash seed */
-+ __u8 s_def_hash_version; /* Default hash version to use */
-+ __u8 s_jnl_backup_type; /* Default type of journal backup */
-+ __u16 s_desc_size; /* size of group descriptor */
-+ __u32 s_default_mount_opts;
-+ __u32 s_first_meta_bg; /* First metablock group */
-+ __u32 s_mkfs_time; /* When the filesystem was created */
-+ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */
-+ /* 64bit desc support valid if EXT4_FEATURE_INCOMPAT_64BIT */
-+ __u32 s_blocks_count_hi; /* Blocks count */
-+ __u32 s_r_blocks_count_hi; /* Reserved blocks count */
-+ __u32 s_free_blocks_count_hi; /* Free blocks count */
-+ __u16 s_min_extra_isize; /* All inodes have at least # bytes */
-+ __u16 s_max_extra_isize; /* New inodes should reverve # bytes */
-+ __u32 s_flags; /* Miscellaneous flags */
-+ __u16 s_raid_stride; /* Raid stride */
-+ __u16 s_mmp_interval; /* # seconds to wait MMP checking */
-+ __u64 s_mmp_block; /* Block for multi-mount protection */
-+ __u32 s_raid_stripe_width; /* Blocks on all data disks (N*stride)*/
-+ __u8 s_log_groups_per_flex;/* FLEX_BG group size*/
-+ __u8 s_reserved_char_pad;
-+ __u16 s_reserved_pad;
-+ __u32 s_reserved[162]; /* Padding to the end of the block */
-+};
-+
-+struct ext4_group_desc
- {
- __u32 bg_block_bitmap; /* Blocks bitmap block */
- __u32 bg_inode_bitmap; /* Inodes bitmap block */
-@@ -90,8 +151,18 @@ struct ext2_group_desc
- __u16 bg_free_blocks_count; /* Free blocks count */
- __u16 bg_free_inodes_count; /* Free inodes count */
- __u16 bg_used_dirs_count; /* Directories count */
-- __u16 bg_pad;
-- __u32 bg_reserved[3];
-+ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */
-+ __u32 bg_reserved[2]; /* Likely block/inode bitmap checksum */
-+ __u16 bg_itable_unused; /* Unused inodes count */
-+ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */
-+ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */
-+ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */
-+ __u32 bg_inode_table_hi; /* Inodes table block MSB */
-+ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */
-+ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */
-+ __u16 bg_used_dirs_count_hi; /* Directories count MSB */
-+ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */
-+ __u32 bg_reserved2[3];
- };
-
- struct ext2_inode
-@@ -129,22 +200,22 @@ struct ext2_inode
- __u32 i_block[EXT2_N_BLOCKS]; /* 40: Pointers to blocks */
- __u32 i_version; /* File version (for NFS) */
- __u32 i_file_acl; /* File ACL */
-- __u32 i_dir_acl; /* Directory ACL */
-- __u32 i_faddr; /* Fragment address */
-+ __u32 i_size_high;
-+ __u32 i_obso_faddr; /* Obsoleted fragment address */
- union
- {
- struct
- {
-- __u8 l_i_frag; /* Fragment number */
-- __u8 l_i_fsize; /* Fragment size */
-- __u16 i_pad1;
-- __u32 l_i_reserved2[2];
-+ __u16 l_i_blocks_high; /* were l_i_reserved1 */
-+ __u16 l_i_file_acl_high;
-+ __u16 l_i_uid_high; /* these 2 fields */
-+ __u16 l_i_gid_high; /* were reserved2[0] */
-+ __u32 l_i_reserved2;
- }
- linux2;
- struct
- {
-- __u8 h_i_frag; /* Fragment number */
-- __u8 h_i_fsize; /* Fragment size */
-+ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
- __u16 h_i_mode_high;
- __u16 h_i_uid_high;
- __u16 h_i_gid_high;
-@@ -153,16 +224,36 @@ struct ext2_inode
- hurd2;
- struct
- {
-- __u8 m_i_frag; /* Fragment number */
-- __u8 m_i_fsize; /* Fragment size */
-- __u16 m_pad1;
-+ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
-+ __u16 m_i_file_acl_high;
- __u32 m_i_reserved2[2];
- }
- masix2;
- }
- osd2; /* OS dependent 2 */
-+ __u16 i_extra_isize;
-+ __u16 i_pad1;
-+ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */
-+ __u32 i_mtime_extra; /* extra Modification time(nsec << 2 | epoch) */
-+ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */
-+ __u32 i_crtime; /* File Creation time */
-+ __u32 i_crtime_extra; /* extra FileCreationtime (nsec << 2 | epoch) */
-+ __u32 i_version_hi; /* high 32 bits for 64-bit version */
- };
-
-+#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */
-+#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 /* grub not supported*/
-+#define EXT4_FEATURE_INCOMPAT_MMP 0x0100
-+#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
-+
-+#define EXT4_HAS_INCOMPAT_FEATURE(sb,mask) \
-+ ( sb->s_feature_incompat & mask )
-+
-+#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
-+#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
-+
-+#define EXT4_MIN_DESC_SIZE 32
-+
- /* linux/limits.h */
- #define NAME_MAX 255 /* # chars in a file name */
-
-@@ -180,6 +271,57 @@ struct ext2_dir_entry
- char name[EXT2_NAME_LEN]; /* File name */
- };
-
-+/* linux/ext4_fs_extents.h */
-+/* This is the extent on-disk structure.
-+ * It's used at the bottom of the tree.
-+ */
-+struct ext4_extent
-+ {
-+ __u32 ee_block; /* first logical block extent covers */
-+ __u16 ee_len; /* number of blocks covered by extent */
-+ __u16 ee_start_hi; /* high 16 bits of physical block */
-+ __u32 ee_start_lo; /* low 32 bits of physical block */
-+ };
-+
-+/*
-+ * This is index on-disk structure.
-+ * It's used at all the levels except the bottom.
-+ */
-+struct ext4_extent_idx
-+ {
-+ __u32 ei_block; /* index covers logical blocks from 'block' */
-+ __u32 ei_leaf_lo; /* pointer to the physical block of the next *
-+ * level. leaf or next index could be there */
-+ __u16 ei_leaf_hi; /* high 16 bits of physical block */
-+ __u16 ei_unused;
-+ };
-+
-+/*
-+ * Each block (leaves and indexes), even inode-stored has header.
-+ */
-+struct ext4_extent_header
-+ {
-+ __u16 eh_magic; /* probably will support different formats */
-+ __u16 eh_entries; /* number of valid entries */
-+ __u16 eh_max; /* capacity of store in entries */
-+ __u16 eh_depth; /* has tree real underlying blocks? */
-+ __u32 eh_generation; /* generation of the tree */
-+ };
-+
-+#define EXT4_EXT_MAGIC (0xf30a)
-+#define EXT_FIRST_EXTENT(__hdr__) \
-+ ((struct ext4_extent *) (((char *) (__hdr__)) + \
-+ sizeof(struct ext4_extent_header)))
-+#define EXT_FIRST_INDEX(__hdr__) \
-+ ((struct ext4_extent_idx *) (((char *) (__hdr__)) + \
-+ sizeof(struct ext4_extent_header)))
-+#define EXT_LAST_EXTENT(__hdr__) \
-+ (EXT_FIRST_EXTENT((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1)
-+#define EXT_LAST_INDEX(__hdr__) \
-+ (EXT_FIRST_INDEX((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1)
-+
-+
-+
- /* linux/ext2fs.h */
- /*
- * EXT2_DIR_PAD defines the directory entries boundaries
-@@ -206,25 +348,37 @@ struct ext2_dir_entry
- ((struct ext2_super_block *)(FSYS_BUF))
- #define GROUP_DESC \
- ((struct ext2_group_desc *) \
-- ((int)SUPERBLOCK + sizeof(struct ext2_super_block)))
-+ ((unsigned long)SUPERBLOCK + sizeof(struct ext2_super_block)))
- #define INODE \
-- ((struct ext2_inode *)((int)GROUP_DESC + EXT2_BLOCK_SIZE(SUPERBLOCK)))
-+ ((struct ext2_inode *)((unsigned long)GROUP_DESC + EXT2_BLOCK_SIZE(SUPERBLOCK)))
- #define DATABLOCK1 \
-- ((int)((int)INODE + sizeof(struct ext2_inode)))
-+ ((unsigned long)INODE + sizeof(struct ext2_inode))
- #define DATABLOCK2 \
-- ((int)((int)DATABLOCK1 + EXT2_BLOCK_SIZE(SUPERBLOCK)))
-+ ((unsigned long)DATABLOCK1 + EXT2_BLOCK_SIZE(SUPERBLOCK))
-
- /* linux/ext2_fs.h */
- #define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32))
- #define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s)))
-
-+#define EXT2_INODE_SIZE(s) (SUPERBLOCK->s_inode_size)
-+#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s))
-+
- /* linux/ext2_fs.h */
- #define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
- /* kind of from ext2/super.c */
- #define EXT2_BLOCK_SIZE(s) (1 << EXT2_BLOCK_SIZE_BITS(s))
- /* linux/ext2fs.h */
-+/* sizeof(struct ext2_group_desc) is changed in ext4
-+ * in kernel code, ext2/3 uses sizeof(struct ext2_group_desc) to calculate
-+ * number of desc per block, while ext4 uses superblock->s_desc_size in stead
-+ * superblock->s_desc_size is not available in ext2/3
-+ * */
-+#define EXT2_DESC_SIZE(s) \
-+ (EXT4_HAS_INCOMPAT_FEATURE(s,EXT4_FEATURE_INCOMPAT_64BIT)? \
-+ s->s_desc_size : EXT4_MIN_DESC_SIZE)
- #define EXT2_DESC_PER_BLOCK(s) \
-- (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc))
-+ (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s))
-+
- /* linux/stat.h */
- #define S_IFMT 00170000
- #define S_IFLNK 0120000
-@@ -239,8 +393,8 @@ struct ext2_dir_entry
- * ffz = Find First Zero in word. Undefined if no zero exists,
- * so code should check against ~0UL first..
- */
--static __inline__ unsigned long
--ffz (unsigned long word)
-+static __inline__ unsigned int
-+ffz (unsigned int word)
- {
- __asm__ ("bsfl %1,%0"
- : "=r" (word)
-@@ -260,7 +414,7 @@ ext2fs_mount (void)
- && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_EXT2FS))
- && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_OTHER)))
- || part_length < (SBLOCK + (sizeof (struct ext2_super_block) / DEV_BSIZE))
-- || !devread (SBLOCK, 0, sizeof (struct ext2_super_block),
-+ || !devread (SBLOCK, SBOFF, sizeof (struct ext2_super_block),
- (char *) SUPERBLOCK)
- || SUPERBLOCK->s_magic != EXT2_SUPER_MAGIC)
- retval = 0;
-@@ -276,7 +430,7 @@ ext2_rdfsb (int fsblock, int buffer)
- printf ("fsblock %d buffer %d\n", fsblock, buffer);
- #endif /* E2DEBUG */
- return devread (fsblock * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), 0,
-- EXT2_BLOCK_SIZE (SUPERBLOCK), (char *) buffer);
-+ EXT2_BLOCK_SIZE (SUPERBLOCK), (char *) (unsigned long) buffer);
- }
-
- /* from
-@@ -386,6 +540,122 @@ ext2fs_block_map (int logical_block)
- [logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)];
- }
-
-+/* extent binary search index
-+ * find closest index in the current level extent tree
-+ * kind of from ext4_ext_binsearch_idx in ext4/extents.c
-+ */
-+static struct ext4_extent_idx*
-+ext4_ext_binsearch_idx(struct ext4_extent_header* eh, int logical_block)
-+{
-+ struct ext4_extent_idx *r, *l, *m;
-+ l = EXT_FIRST_INDEX(eh) + 1;
-+ r = EXT_LAST_INDEX(eh);
-+ while (l <= r)
-+ {
-+ m = l + (r - l) / 2;
-+ if (logical_block < m->ei_block)
-+ r = m - 1;
-+ else
-+ l = m + 1;
-+ }
-+ return (struct ext4_extent_idx*)(l - 1);
-+}
-+
-+/* extent binary search
-+ * find closest extent in the leaf level
-+ * kind of from ext4_ext_binsearch in ext4/extents.c
-+ */
-+static struct ext4_extent*
-+ext4_ext_binsearch(struct ext4_extent_header* eh, int logical_block)
-+{
-+ struct ext4_extent *r, *l, *m;
-+ l = EXT_FIRST_EXTENT(eh) + 1;
-+ r = EXT_LAST_EXTENT(eh);
-+ while (l <= r)
-+ {
-+ m = l + (r - l) / 2;
-+ if (logical_block < m->ee_block)
-+ r = m - 1;
-+ else
-+ l = m + 1;
-+ }
-+ return (struct ext4_extent*)(l - 1);
-+}
-+
-+/* Maps extents enabled logical block into physical block via an inode.
-+ * EXT4_HUGE_FILE_FL should be checked before calling this.
-+ */
-+static int
-+ext4fs_block_map (int logical_block)
-+{
-+ struct ext4_extent_header *eh;
-+ struct ext4_extent *ex, *extent;
-+ struct ext4_extent_idx *ei, *index;
-+ int depth;
-+ int i;
-+
-+#ifdef E2DEBUG
-+ unsigned char *i;
-+ for (i = (unsigned char *) INODE;
-+ i < ((unsigned char *) INODE + sizeof (struct ext2_inode));
-+ i++)
-+ {
-+ printf ("%c", "0123456789abcdef"[*i >> 4]);
-+ printf ("%c", "0123456789abcdef"[*i % 16]);
-+ if (!((i + 1 - (unsigned char *) INODE) % 16))
-+ {
-+ printf ("\n");
-+ }
-+ else
-+ {
-+ printf (" ");
-+ }
-+ }
-+ printf ("logical block %d\n", logical_block);
-+#endif /* E2DEBUG */
-+ eh = (struct ext4_extent_header*)INODE->i_block;
-+ if (eh->eh_magic != EXT4_EXT_MAGIC)
-+ {
-+ errnum = ERR_FSYS_CORRUPT;
-+ return -1;
-+ }
-+ while((depth = eh->eh_depth) != 0)
-+ { /* extent index */
-+ if (eh->eh_magic != EXT4_EXT_MAGIC)
-+ {
-+ errnum = ERR_FSYS_CORRUPT;
-+ return -1;
-+ }
-+ ei = ext4_ext_binsearch_idx(eh, logical_block);
-+ if (ei->ei_leaf_hi)
-+ {/* 64bit physical block number not supported */
-+ errnum = ERR_FILELENGTH;
-+ return -1;
-+ }
-+ if (!ext2_rdfsb(ei->ei_leaf_lo, DATABLOCK1))
-+ {
-+ errnum = ERR_FSYS_CORRUPT;
-+ return -1;
-+ }
-+ eh = (struct ext4_extent_header*)DATABLOCK1;
-+ }
-+
-+ /* depth==0, we come to the leaf */
-+ ex = ext4_ext_binsearch(eh, logical_block);
-+ if (ex->ee_start_hi)
-+ {/* 64bit physical block number not supported */
-+ errnum = ERR_FILELENGTH;
-+ return -1;
-+ }
-+ if ((ex->ee_block + ex->ee_len) < logical_block)
-+ {
-+ errnum = ERR_FSYS_CORRUPT;
-+ return -1;
-+ }
-+ return ex->ee_start_lo + logical_block - ex->ee_block;
-+
-+}
-+
- /* preconditions: all preconds of ext2fs_block_map */
- int
- ext2fs_read (char *buf, int len)
-@@ -420,6 +690,11 @@ ext2fs_read (char *buf, int len)
- /* find the (logical) block component of our location */
- logical_block = filepos >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK);
- offset = filepos & (EXT2_BLOCK_SIZE (SUPERBLOCK) - 1);
-+ /* map extents enabled logical block number to physical fs on-disk block number */
-+ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS)
-+ && INODE->i_flags & EXT4_EXTENTS_FL)
-+ map = ext4fs_block_map (logical_block);
-+ else
- map = ext2fs_block_map (logical_block);
- #ifdef E2DEBUG
- printf ("map=%d\n", map);
-@@ -504,7 +779,7 @@ ext2fs_dir (char *dirname)
- int desc; /* index within that group */
- int ino_blk; /* fs pointer of the inode's information */
- int str_chk = 0; /* used to hold the results of a string compare */
-- struct ext2_group_desc *gdp;
-+ struct ext4_group_desc *ext4_gdp;
- struct ext2_inode *raw_inode; /* inode info corresponding to current_ino */
-
- char linkbuf[PATH_MAX]; /* buffer for following symbolic links */
-@@ -546,18 +821,25 @@ ext2fs_dir (char *dirname)
- #endif /* E2DEBUG */
- if (!ext2_rdfsb (
- (WHICH_SUPER + group_desc + SUPERBLOCK->s_first_data_block),
-- (int) GROUP_DESC))
-+ (unsigned long) GROUP_DESC))
- {
- return 0;
- }
-- gdp = GROUP_DESC;
-- ino_blk = gdp[desc].bg_inode_table +
-+ ext4_gdp = (struct ext4_group_desc *)( (__u8*)GROUP_DESC +
-+ desc * EXT2_DESC_SIZE(SUPERBLOCK));
-+ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK, EXT4_FEATURE_INCOMPAT_64BIT)
-+ && (! ext4_gdp->bg_inode_table_hi))
-+ {/* 64bit itable not supported */
-+ errnum = ERR_FILELENGTH;
-+ return -1;
-+ }
-+ ino_blk = ext4_gdp->bg_inode_table +
- (((current_ino - 1) % (SUPERBLOCK->s_inodes_per_group))
-- >> log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)));
-+ >> log2 (EXT2_INODES_PER_BLOCK (SUPERBLOCK)));
- #ifdef E2DEBUG
- printf ("inode table fsblock=%d\n", ino_blk);
- #endif /* E2DEBUG */
-- if (!ext2_rdfsb (ino_blk, (int) INODE))
-+ if (!ext2_rdfsb (ino_blk, (unsigned long) INODE))
- {
- return 0;
- }
-@@ -565,13 +847,12 @@ ext2fs_dir (char *dirname)
- /* reset indirect blocks! */
- mapblock2 = mapblock1 = -1;
-
-- raw_inode = INODE +
-- ((current_ino - 1)
-- & (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode) - 1));
-+ raw_inode = (struct ext2_inode *)((char *)INODE +
-+ ((current_ino - 1) & (EXT2_INODES_PER_BLOCK (SUPERBLOCK) - 1)) *
-+ EXT2_INODE_SIZE (SUPERBLOCK));
- #ifdef E2DEBUG
- printf ("ipb=%d, sizeof(inode)=%d\n",
-- (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)),
-- sizeof (struct ext2_inode));
-+ EXT2_INODES_PER_BLOCK (SUPERBLOCK), EXT2_INODE_SIZE (SUPERBLOCK));
- printf ("inode=%x, raw_inode=%x\n", INODE, raw_inode);
- printf ("offset into inode table block=%d\n", (int) raw_inode - (int) INODE);
- for (i = (unsigned char *) INODE; i <= (unsigned char *) raw_inode;
-@@ -629,7 +910,10 @@ ext2fs_dir (char *dirname)
- }
- linkbuf[filemax + len] = '\0';
-
-- /* Read the symlink data. */
-+ /* Read the symlink data.
-+ * Slow symlink is extents enabled
-+ * But since grub_read invokes ext2fs_read, nothing to change here
-+ */
- if (! ext2_is_fast_symlink ())
- {
- /* Read the necessary blocks, and reset the file pointer. */
-@@ -640,7 +924,9 @@ ext2fs_dir (char *dirname)
- }
- else
- {
-- /* Copy the data directly from the inode. */
-+ /* Copy the data directly from the inode.
-+ * Fast symlink is not extents enabled
-+ */
- len = filemax;
- memmove (linkbuf, (char *) INODE->i_block, len);
- }
-@@ -674,6 +960,13 @@ ext2fs_dir (char *dirname)
- errnum = ERR_BAD_FILETYPE;
- return 0;
- }
-+ /* if file is too large, just stop and report an error*/
-+ if ( (INODE->i_flags & EXT4_HUGE_FILE_FL) && !(INODE->i_size_high))
-+ {
-+ /* file too large, stop reading */
-+ errnum = ERR_FILELENGTH;
-+ return 0;
-+ }
-
- filemax = (INODE->i_size);
- return 1;
-@@ -728,17 +1021,28 @@ ext2fs_dir (char *dirname)
- }
-
- /* else, find the (logical) block component of our location */
-+ /* ext4 logical block number the same as ext2/3 */
- blk = loc >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK);
-
- /* we know which logical block of the directory entry we are looking
- for, now we have to translate that to the physical (fs) block on
- the disk */
-+ /* map extents enabled logical block number to physical fs on-disk block number */
-+ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS)
-+ && INODE->i_flags & EXT4_EXTENTS_FL)
-+ map = ext4fs_block_map (blk);
-+ else
- map = ext2fs_block_map (blk);
- #ifdef E2DEBUG
- printf ("fs block=%d\n", map);
- #endif /* E2DEBUG */
- mapblock2 = -1;
-- if ((map < 0) || !ext2_rdfsb (map, DATABLOCK2))
-+ if (map < 0)
-+ {
-+ *rest = ch;
-+ return 0;
-+ }
-+ if (!ext2_rdfsb (map, DATABLOCK2))
- {
- errnum = ERR_FSYS_CORRUPT;
- *rest = ch;
-diff --git a/stage2/fsys_fat.c b/stage2/fsys_fat.c
-index f40e658..f1157f4 100644
---- a/stage2/fsys_fat.c
-+++ b/stage2/fsys_fat.c
-@@ -49,13 +49,13 @@ struct fat_superblock
- /* pointer(s) into filesystem info buffer for DOS stuff */
- #define FAT_SUPER ( (struct fat_superblock *) \
- ( FSYS_BUF + 32256) )/* 512 bytes long */
--#define FAT_BUF ( FSYS_BUF + 30208 ) /* 4 sector FAT buffer */
--#define NAME_BUF ( FSYS_BUF + 29184 ) /* Filename buffer (833 bytes) */
-+#define FAT_BUF ( FSYS_BUF + 28160 ) /* 4 sector FAT buffer */
-+#define NAME_BUF ( FSYS_BUF + 27136 ) /* Filename buffer (833 bytes) */
-
--#define FAT_CACHE_SIZE 2048
-+#define FAT_CACHE_SIZE 4096
-
--static __inline__ unsigned long
--log2 (unsigned long word)
-+static __inline__ unsigned int
-+grub_log2 (unsigned int word)
- {
- __asm__ ("bsfl %1,%0"
- : "=r" (word)
-@@ -68,9 +68,12 @@ fat_mount (void)
- {
- struct fat_bpb bpb;
- __u32 magic, first_fat;
-+ int sector_size;
-
- /* Check partition type for harddisk */
- if (((current_drive & 0x80) || (current_slice != 0))
-+ && (current_slice != PC_SLICE_TYPE_EXT2FS)
-+ && (current_slice != PC_SLICE_TYPE_LINUX_RAID)
- && ! IS_PC_SLICE_TYPE_FAT (current_slice)
- && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_MSDOS)))
- return 0;
-@@ -79,14 +82,16 @@ fat_mount (void)
- if (! devread (0, 0, sizeof (bpb), (char *) &bpb))
- return 0;
-
-+ sector_size = get_sector_size(current_drive);
-+
- /* Check if the number of sectors per cluster is zero here, to avoid
- zero division. */
- if (bpb.sects_per_clust == 0)
- return 0;
-
-- FAT_SUPER->sectsize_bits = log2 (FAT_CVT_U16 (bpb.bytes_per_sect));
-+ FAT_SUPER->sectsize_bits = grub_log2 (FAT_CVT_U16 (bpb.bytes_per_sect));
- FAT_SUPER->clustsize_bits
-- = FAT_SUPER->sectsize_bits + log2 (bpb.sects_per_clust);
-+ = FAT_SUPER->sectsize_bits + grub_log2 (bpb.sects_per_clust);
-
- /* Fill in info about super block */
- FAT_SUPER->num_sectors = FAT_CVT_U16 (bpb.short_sectors)
-@@ -106,7 +111,7 @@ fat_mount (void)
- FAT_SUPER->data_offset =
- FAT_SUPER->root_offset
- + ((FAT_SUPER->root_max - 1) >> FAT_SUPER->sectsize_bits) + 1;
-- FAT_SUPER->num_clust =
-+ FAT_SUPER->num_clust =
- 2 + ((FAT_SUPER->num_sectors - FAT_SUPER->data_offset)
- / bpb.sects_per_clust);
- FAT_SUPER->sects_per_clust = bpb.sects_per_clust;
-@@ -153,11 +158,11 @@ fat_mount (void)
- /* Now do some sanity checks */
-
- if (FAT_CVT_U16(bpb.bytes_per_sect) != (1 << FAT_SUPER->sectsize_bits)
-- || FAT_CVT_U16(bpb.bytes_per_sect) != SECTOR_SIZE
-+ || FAT_CVT_U16(bpb.bytes_per_sect) != sector_size
- || bpb.sects_per_clust != (1 << (FAT_SUPER->clustsize_bits
- - FAT_SUPER->sectsize_bits))
- || FAT_SUPER->num_clust <= 2
-- || (FAT_SUPER->fat_size * FAT_SUPER->num_clust / (2 * SECTOR_SIZE)
-+ || (FAT_SUPER->fat_size * FAT_SUPER->num_clust / (2 * sector_size)
- > FAT_SUPER->fat_length))
- return 0;
-
-@@ -201,6 +206,7 @@ fat_read (char *buf, int len)
- int offset;
- int ret = 0;
- int size;
-+ int sector_size = get_sector_size(current_drive);
-
- if (FAT_SUPER->file_cluster < 0)
- {
-@@ -236,10 +242,10 @@ fat_read (char *buf, int len)
- if (cached_pos < 0 ||
- (cached_pos + FAT_SUPER->fat_size) > 2*FAT_CACHE_SIZE)
- {
-- FAT_SUPER->cached_fat = (fat_entry & ~(2*SECTOR_SIZE - 1));
-+ FAT_SUPER->cached_fat = (fat_entry & ~(2*sector_size - 1));
- cached_pos = (fat_entry - FAT_SUPER->cached_fat);
- sector = FAT_SUPER->fat_offset
-- + FAT_SUPER->cached_fat / (2*SECTOR_SIZE);
-+ + FAT_SUPER->cached_fat / (2*sector_size);
- if (!devread (sector, 0, FAT_CACHE_SIZE, (char*) FAT_BUF))
- return 0;
- }
-@@ -257,6 +263,8 @@ fat_read (char *buf, int len)
- return ret;
- if (next_cluster < 2 || next_cluster >= FAT_SUPER->num_clust)
- {
-+ grub_printf("next_cluster: %d FAT_SUPER->num_clust: %d\n",
-+ next_cluster, FAT_SUPER->num_clust);
- errnum = ERR_FSYS_CORRUPT;
- return 0;
- }
-@@ -340,7 +348,8 @@ fat_dir (char *dirname)
- /* Directories don't have a file size */
- filemax = MAXINT;
-
-- for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++);
-+ for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++)
-+ *rest = tolower(*rest);
-
- *rest = 0;
-
-@@ -432,7 +441,7 @@ fat_dir (char *dirname)
- goto print_filename;
- # endif /* STAGE1_5 */
-
-- if (substring (dirname, filename) == 0)
-+ if (subcasestring (dirname, filename) == 0)
- break;
- }
- }
-@@ -459,7 +468,7 @@ fat_dir (char *dirname)
- if (do_possibilities)
- {
- print_filename:
-- if (substring (dirname, filename) <= 0)
-+ if (subcasestring (dirname, filename) <= 0)
- {
- if (print_possibilities > 0)
- print_possibilities = -print_possibilities;
-@@ -469,7 +478,7 @@ fat_dir (char *dirname)
- }
- # endif /* STAGE1_5 */
-
-- if (substring (dirname, filename) == 0)
-+ if (subcasestring (dirname, filename) == 0)
- break;
- }
-
-diff --git a/stage2/fsys_iso9660.c b/stage2/fsys_iso9660.c
-index 90e4aa8..858238b 100644
---- a/stage2/fsys_iso9660.c
-+++ b/stage2/fsys_iso9660.c
-@@ -56,8 +56,8 @@ struct iso_inode_info {
- #define NAME_BUF ((unsigned char *)(FSYS_BUF + 8192))
-
-
--static inline unsigned long
--log2 (unsigned long word)
-+static inline unsigned int
-+grub_log2 (unsigned int word)
- {
- asm volatile ("bsfl %1,%0"
- : "=r" (word)
-@@ -68,7 +68,7 @@ log2 (unsigned long word)
- static int
- iso9660_devread (int sector, int byte_offset, int byte_len, char *buf)
- {
-- unsigned short sector_size_lg2 = log2(buf_geom.sector_size);
-+ unsigned short sector_size_lg2 = grub_log2(buf_geom.sector_size);
-
- /*
- * We have to use own devread() function since BIOS return wrong geometry
-@@ -81,8 +81,6 @@ iso9660_devread (int sector, int byte_offset, int byte_len, char *buf)
- if (byte_len <= 0)
- return 1;
-
-- sector += (byte_offset >> sector_size_lg2);
-- byte_offset &= (buf_geom.sector_size - 1);
- asm volatile ("shl%L0 %1,%0"
- : "=r"(sector)
- : "Ic"((int8_t)(ISO_SECTOR_BITS - sector_size_lg2)),
-diff --git a/stage2/fsys_jfs.c b/stage2/fsys_jfs.c
-index 307f836..d63b1de 100644
---- a/stage2/fsys_jfs.c
-+++ b/stage2/fsys_jfs.c
-@@ -207,19 +207,20 @@ int
- jfs_mount (void)
- {
- struct jfs_superblock super;
-+ int sector_bits = get_sector_bits(current_drive);
-
-- if (part_length < MINJFS >> SECTOR_BITS
-- || !devread (SUPER1_OFF >> SECTOR_BITS, 0,
-+ if (part_length < MINJFS >> sector_bits
-+ || !devread (SUPER1_OFF >> sector_bits, 0,
- sizeof(struct jfs_superblock), (char *)&super)
- || (super.s_magic != JFS_MAGIC)
-- || !devread ((AITBL_OFF >> SECTOR_BITS) + FILESYSTEM_I,
-+ || !devread ((AITBL_OFF >> sector_bits) + FILESYSTEM_I,
- 0, DISIZE, (char*)fileset)) {
- return 0;
- }
-
- jfs.bsize = super.s_bsize;
- jfs.l2bsize = super.s_l2bsize;
-- jfs.bdlog = jfs.l2bsize - SECTOR_BITS;
-+ jfs.bdlog = jfs.l2bsize - sector_bits;
-
- return 1;
- }
-@@ -387,9 +388,10 @@ int
- jfs_embed (int *start_sector, int needed_sectors)
- {
- struct jfs_superblock super;
-+ int sector_bits = get_sector_bits(current_drive);
-
- if (needed_sectors > 63
-- || !devread (SUPER1_OFF >> SECTOR_BITS, 0,
-+ || !devread (SUPER1_OFF >> sector_bits, 0,
- sizeof (struct jfs_superblock),
- (char *)&super)
- || (super.s_magic != JFS_MAGIC)) {
-diff --git a/stage2/fsys_minix.c b/stage2/fsys_minix.c
-index 5c76796..175ecf2 100644
---- a/stage2/fsys_minix.c
-+++ b/stage2/fsys_minix.c
-@@ -138,11 +138,11 @@ struct minix_dir_entry {
- #define SUPERBLOCK \
- ((struct minix_super_block *)(FSYS_BUF))
- #define INODE \
-- ((struct minix_inode *)((int) SUPERBLOCK + BLOCK_SIZE))
-+ ((struct minix_inode *)((unsigned long) SUPERBLOCK + BLOCK_SIZE))
- #define DATABLOCK1 \
-- ((int)((int)INODE + sizeof(struct minix_inode)))
-+ ((unsigned long)INODE + sizeof(struct minix_inode))
- #define DATABLOCK2 \
-- ((int)((int)DATABLOCK1 + BLOCK_SIZE))
-+ ((unsigned long)DATABLOCK1 + BLOCK_SIZE)
-
- /* linux/stat.h */
- #define S_IFMT 00170000
-@@ -193,7 +193,7 @@ static int
- minix_rdfsb (int fsblock, int buffer)
- {
- return devread (fsblock * (BLOCK_SIZE / DEV_BSIZE), 0,
-- BLOCK_SIZE, (char *) buffer);
-+ BLOCK_SIZE, (char *) (unsigned long) buffer);
- }
-
- /* Maps LOGICAL_BLOCK (the file offset divided by the blocksize) into
-@@ -336,7 +336,7 @@ minix_dir (char *dirname)
-
- ino_blk = (2 + SUPERBLOCK->s_imap_blocks + SUPERBLOCK->s_zmap_blocks
- + (current_ino - 1) / MINIX_INODES_PER_BLOCK);
-- if (! minix_rdfsb (ino_blk, (int) INODE))
-+ if (! minix_rdfsb (ino_blk, (unsigned long) INODE))
- return 0;
-
- /* reset indirect blocks! */
-diff --git a/stage2/fsys_reiserfs.c b/stage2/fsys_reiserfs.c
-index 93ec5f8..f46fcb2 100644
---- a/stage2/fsys_reiserfs.c
-+++ b/stage2/fsys_reiserfs.c
-@@ -292,7 +292,6 @@ struct reiserfs_de_head
-
- /* The size of the node cache */
- #define FSYSREISER_CACHE_SIZE 24*1024
--#define FSYSREISER_MIN_BLOCKSIZE SECTOR_SIZE
- #define FSYSREISER_MAX_BLOCKSIZE FSYSREISER_CACHE_SIZE / 3
-
- /* Info about currently opened file */
-@@ -341,19 +340,19 @@ struct fsys_reiser_info
- /* The cached s+tree blocks in FSYS_BUF, see below
- * for a more detailed description.
- */
--#define ROOT ((char *) ((int) FSYS_BUF))
-+#define ROOT ((char *) ((unsigned long) FSYS_BUF))
- #define CACHE(i) (ROOT + ((i) << INFO->fullblocksize_shift))
- #define LEAF CACHE (DISK_LEAF_NODE_LEVEL)
-
- #define BLOCKHEAD(cache) ((struct block_head *) cache)
--#define ITEMHEAD ((struct item_head *) ((int) LEAF + BLKH_SIZE))
--#define KEY(cache) ((struct key *) ((int) cache + BLKH_SIZE))
-+#define ITEMHEAD ((struct item_head *) ((unsigned long) LEAF + BLKH_SIZE))
-+#define KEY(cache) ((struct key *) ((unsigned long) cache + BLKH_SIZE))
- #define DC(cache) ((struct disk_child *) \
-- ((int) cache + BLKH_SIZE + KEY_SIZE * nr_item))
-+ ((unsigned long) cache + BLKH_SIZE + KEY_SIZE * nr_item))
- /* The fsys_reiser_info block.
- */
- #define INFO \
-- ((struct fsys_reiser_info *) ((int) FSYS_BUF + FSYSREISER_CACHE_SIZE))
-+ ((struct fsys_reiser_info *) ((unsigned long) FSYS_BUF + FSYSREISER_CACHE_SIZE))
- /*
- * The journal cache. For each transaction it contains the number of
- * blocks followed by the real block numbers of this transaction.
-@@ -366,8 +365,8 @@ struct fsys_reiser_info
- #define JOURNAL_END ((__u32 *) (FSYS_BUF + FSYS_BUFLEN))
-
-
--static __inline__ unsigned long
--log2 (unsigned long word)
-+static __inline__ unsigned int
-+grub_log2 (unsigned int word)
- {
- __asm__ ("bsfl %1,%0"
- : "=r" (word)
-@@ -569,9 +568,11 @@ int
- reiserfs_mount (void)
- {
- struct reiserfs_super_block super;
-- int superblock = REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS;
-+ int sector_bits = get_sector_bits(current_drive);
-+ int sector_size = get_sector_size(current_drive);
-+ int superblock = REISERFS_DISK_OFFSET_IN_BYTES >> sector_bits;
-
-- if (part_length < superblock + (sizeof (super) >> SECTOR_BITS)
-+ if (part_length < superblock + (sizeof (super) >> sector_bits)
- || ! devread (superblock, 0, sizeof (struct reiserfs_super_block),
- (char *) &super)
- || (substring (REISER3FS_SUPER_MAGIC_STRING, super.s_magic) > 0
-@@ -582,8 +583,8 @@ reiserfs_mount (void)
- <= REISERFS_DISK_OFFSET_IN_BYTES))
- {
- /* Try old super block position */
-- superblock = REISERFS_OLD_DISK_OFFSET_IN_BYTES >> SECTOR_BITS;
-- if (part_length < superblock + (sizeof (super) >> SECTOR_BITS)
-+ superblock = REISERFS_OLD_DISK_OFFSET_IN_BYTES >> sector_bits;
-+ if (part_length < superblock + (sizeof (super) >> sector_bits)
- || ! devread (superblock, 0, sizeof (struct reiserfs_super_block),
- (char *) &super))
- return 0;
-@@ -594,7 +595,7 @@ reiserfs_mount (void)
- {
- /* pre journaling super block ? */
- if (substring (REISERFS_SUPER_MAGIC_STRING,
-- (char*) ((int) &super + 20)) > 0)
-+ (char*) ((unsigned long) &super + 20)) > 0)
- return 0;
-
- super.s_blocksize = REISERFS_OLD_BLOCKSIZE;
-@@ -609,8 +610,8 @@ reiserfs_mount (void)
-
- INFO->version = super.s_version;
- INFO->blocksize = super.s_blocksize;
-- INFO->fullblocksize_shift = log2 (super.s_blocksize);
-- INFO->blocksize_shift = INFO->fullblocksize_shift - SECTOR_BITS;
-+ INFO->fullblocksize_shift = grub_log2 (super.s_blocksize);
-+ INFO->blocksize_shift = INFO->fullblocksize_shift - sector_bits;
- INFO->cached_slots =
- (FSYSREISER_CACHE_SIZE >> INFO->fullblocksize_shift) - 1;
-
-@@ -622,9 +623,9 @@ reiserfs_mount (void)
- /* Clear node cache. */
- memset (INFO->blocks, 0, sizeof (INFO->blocks));
-
-- if (super.s_blocksize < FSYSREISER_MIN_BLOCKSIZE
-+ if (super.s_blocksize < get_sector_size(current_drive)
- || super.s_blocksize > FSYSREISER_MAX_BLOCKSIZE
-- || (SECTOR_SIZE << INFO->blocksize_shift) != super.s_blocksize)
-+ || (sector_size << INFO->blocksize_shift) != super.s_blocksize)
- return 0;
-
- /* Initialize journal code. If something fails we end with zero
-@@ -1215,9 +1216,10 @@ int
- reiserfs_embed (int *start_sector, int needed_sectors)
- {
- struct reiserfs_super_block super;
-+ int sector_bits = get_sector_bits(current_drive);
- int num_sectors;
--
-- if (! devread (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS, 0,
-+
-+ if (! devread (REISERFS_DISK_OFFSET_IN_BYTES >> sector_bits, 0,
- sizeof (struct reiserfs_super_block), (char *) &super))
- return 0;
-
-@@ -1229,9 +1231,9 @@ reiserfs_embed (int *start_sector, int needed_sectors)
- * the journal log */
- super.s_journal_block * super.s_blocksize
- > REISERFS_DISK_OFFSET_IN_BYTES))
-- num_sectors = (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS) - 1;
-+ num_sectors = (REISERFS_DISK_OFFSET_IN_BYTES >> sector_bits) - 1;
- else
-- num_sectors = (REISERFS_OLD_DISK_OFFSET_IN_BYTES >> SECTOR_BITS) - 1;
-+ num_sectors = (REISERFS_OLD_DISK_OFFSET_IN_BYTES >> sector_bits) - 1;
-
- return (needed_sectors <= num_sectors);
- }
-diff --git a/stage2/fsys_uefi.c b/stage2/fsys_uefi.c
-new file mode 100644
-index 0000000..58b7050
---- /dev/null
-+++ b/stage2/fsys_uefi.c
-@@ -0,0 +1,265 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2001 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#include "shared.h"
-+#include "filesys.h"
-+
-+#ifdef PLATFORM_EFI
-+#undef GRUB_UTIL
-+
-+#include <grub/types.h>
-+#include <grub/misc.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/misc.h>
-+#include <grub/efi/api.h>
-+
-+static grub_efi_simple_file_system_t *file_system;
-+static grub_efi_guid_t fsinfo_guid = GRUB_EFI_DEVICE_PATH_GUID;
-+grub_efi_file_t *root = NULL;
-+grub_efi_file_t *file = NULL;
-+
-+typedef struct {
-+ grub_efi_uint64_t size;
-+ grub_efi_uint64_t filesize;
-+ grub_efi_uint64_t physicalsize;
-+ grub_efi_time_t createtime;
-+ grub_efi_time_t accesstime;
-+ grub_efi_time_t modifytime;
-+ grub_efi_uint64_t attribute;
-+ grub_efi_char16_t filename[];
-+} grub_efi_file_info_t;
-+
-+int
-+uefi_mount (void)
-+{
-+ grub_efi_handle_t dev_handle = grub_efidisk_get_current_bdev_handle();
-+ grub_efi_status_t status;
-+
-+ if (!dev_handle)
-+ return 0;
-+
-+ file_system = grub_efi_open_protocol (dev_handle, &simple_file_system_guid,
-+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-+
-+ if (!file_system)
-+ return 0;
-+
-+ status = Call_Service_2 (file_system->open_volume, file_system, &root);
-+
-+ if (status != GRUB_EFI_SUCCESS)
-+ return 0;
-+
-+ return 1;
-+}
-+
-+int
-+uefi_dir (char *dirname)
-+{
-+ grub_efi_status_t status;
-+ grub_efi_char16_t *file_name_w = NULL;
-+ grub_efi_char16_t *dir_name_w = NULL;
-+ grub_efi_file_info_t *fileinfo = NULL;
-+ grub_efi_uintn_t buffersize = 0;
-+ grub_efi_file_t *directory = NULL;
-+ int i, dirlen = 0, ret = 0;
-+
-+ file_name_w = grub_malloc (2 * strlen(dirname) + 2);
-+ if (!file_name_w)
-+ goto done;
-+
-+ for (i=0; i<strlen(dirname); i++) {
-+ file_name_w[i] = dirname[i];
-+ if (file_name_w[i] == '/') {
-+ file_name_w[i] = '\\';
-+ dirlen = i;
-+ }
-+ }
-+
-+ file_name_w[i] = '\0';
-+
-+ status = Call_Service_5 (root->open, root, &file, file_name_w,
-+ GRUB_EFI_FILE_MODE_READ, 0);
-+
-+ if (status != GRUB_EFI_SUCCESS)
-+ goto done;
-+
-+ if (dirname[i-1] == '/') {
-+ if (print_possibilities)
-+ grub_printf("\n");
-+
-+ while (1) {
-+ int filenamelen;
-+
-+ status = Call_Service_3 (file->read, file, &buffersize, fileinfo);
-+
-+ if (status == GRUB_EFI_BUFFER_TOO_SMALL) {
-+ fileinfo = grub_malloc(buffersize);
-+ continue;
-+ } else if (status) {
-+ goto done;
-+ } else if (buffersize == 0) {
-+ ret = 1;
-+ if (print_possibilities)
-+ grub_printf("\n");
-+ goto done;
-+ }
-+
-+ filenamelen = fileinfo->size - sizeof(*fileinfo);
-+
-+ if (print_possibilities) {
-+ for (i=0; i<filenamelen/2; i++)
-+ grub_printf("%c", (char)fileinfo->filename[i]);
-+ }
-+ grub_printf(" ");
-+ }
-+ } else {
-+ char *data = NULL;
-+ dir_name_w = grub_malloc (2 * dirlen + 2);
-+ if (!dir_name_w)
-+ goto done;
-+
-+ for (i=0; i<dirlen; i++)
-+ dir_name_w[i] = file_name_w[i];
-+
-+ dir_name_w[i] = '\0';
-+
-+ status = Call_Service_5 (root->open, root, &directory, dir_name_w,
-+ GRUB_EFI_FILE_MODE_READ, 0);
-+
-+ while (1) {
-+ int filenamelen;
-+ int invalid = 0;
-+
-+ status = Call_Service_3 (directory->read, directory, &buffersize, fileinfo);
-+
-+ if (status == GRUB_EFI_BUFFER_TOO_SMALL) {
-+ fileinfo = grub_malloc(buffersize);
-+ continue;
-+ } else if (status) {
-+ goto done;
-+ } else if (buffersize == 0) {
-+ goto done;
-+ }
-+
-+ filenamelen = fileinfo->size - sizeof(*fileinfo);
-+
-+ if (filenamelen != ((strlen(dirname) - dirlen) * 2))
-+ continue;
-+
-+ for (i=0; i<filenamelen/2; i++) {
-+ if (fileinfo->filename[i] != file_name_w[i + dirlen + 1]) {
-+ if (fileinfo->filename[i] > 0xff ||
-+ (grub_tolower(fileinfo->filename[i]) !=
-+ grub_tolower(file_name_w[i + dirlen + 1])))
-+ invalid = 1;
-+ }
-+ }
-+
-+ if (!invalid)
-+ break;
-+ }
-+
-+ if (fileinfo->filesize < 256 && fileinfo->filesize > 3)
-+ {
-+ data = grub_malloc(fileinfo->filesize);
-+ filepos = 0;
-+
-+ uefi_read(data, fileinfo->filesize);
-+
-+ /*
-+ * UEFI doesn't really support symlinks. Apple's UEFI driver exposes
-+ * them as files containing the path of the target. This provides
-+ * hacky support in the absence of a real driver.
-+ */
-+ if (data[0] == '.' && data[1] == '.' && data[2] == '/')
-+ {
-+ int j;
-+ char *tmpdir = grub_malloc(dirlen + fileinfo->filesize);
-+
-+ for (j=0; j<dirlen+1; j++)
-+ tmpdir[j] = dirname[j];
-+ for (j=0; j<fileinfo->filesize; j++)
-+ tmpdir[j+dirlen+1] = data[j];
-+ tmpdir[j+dirlen+1] = '\0';
-+
-+ /* Open the new file */
-+ ret = uefi_dir(tmpdir);
-+ grub_free (tmpdir);
-+ grub_free (data);
-+ goto done;
-+ }
-+ }
-+
-+ if (data)
-+ grub_free(data);
-+ ret = 1;
-+ filemax = fileinfo->filesize;
-+ filepos = 0;
-+ }
-+
-+ done:
-+ if (fileinfo)
-+ grub_free (fileinfo);
-+ if (dir_name_w)
-+ grub_free (dir_name_w);
-+ if (file_name_w)
-+ grub_free (file_name_w);
-+
-+ return ret;
-+}
-+
-+void
-+uefi_close (void)
-+{
-+ grub_efi_status_t status = 0;
-+
-+ if (file)
-+ status = Call_Service_1 (file->close, file);
-+
-+ file = NULL;
-+}
-+
-+int
-+uefi_read (char *addr, int len)
-+{
-+ grub_efi_status_t status;
-+ grub_efi_uintn_t length = len;
-+
-+ errnum = 0;
-+
-+ status = Call_Service_2 (file->set_position, file, filepos);
-+
-+ if (status != GRUB_EFI_SUCCESS)
-+ goto out;
-+
-+ status = Call_Service_3 (file->read, file, &length, addr);
-+
-+ len = length;
-+
-+ if (status == GRUB_EFI_SUCCESS) {
-+ filepos += len;
-+ return len;
-+ }
-+
-+ out:
-+ errnum = ERR_FILE_NOT_FOUND;
-+
-+ return 0;
-+}
-+#endif
-diff --git a/stage2/fsys_vstafs.c b/stage2/fsys_vstafs.c
-index a116717..652e784 100644
---- a/stage2/fsys_vstafs.c
-+++ b/stage2/fsys_vstafs.c
-@@ -30,8 +30,8 @@ static struct dir_entry *vstafs_nextdir (void);
-
-
- #define FIRST_SECTOR ((struct first_sector *) FSYS_BUF)
--#define FILE_INFO ((struct fs_file *) (int) FIRST_SECTOR + 8192)
--#define DIRECTORY_BUF ((struct dir_entry *) (int) FILE_INFO + 512)
-+#define FILE_INFO ((struct fs_file *) (unsigned long) FIRST_SECTOR + 8192)
-+#define DIRECTORY_BUF ((struct dir_entry *) (unsigned long) FILE_INFO + 512)
-
- #define ROOT_SECTOR 1
-
-@@ -186,35 +186,35 @@ vstafs_dir (char *dirname)
- int
- vstafs_read (char *addr, int len)
- {
-- struct alloc *a;
-+ struct alloc *al;
- int size, ret = 0, offset, curr_len = 0;
-- int curr_ext;
-+ int this_ext;
- char extent;
- int ext_size;
- char *curr_pos;
-
- get_file_info (f_sector);
- size = FILE_INFO->len-VSTAFS_START_DATA;
-- a = FILE_INFO->blocks;
-+ al = FILE_INFO->blocks;
-
- if (filepos > 0)
- {
-- if (filepos < a[0].a_len * 512 - VSTAFS_START_DATA)
-+ if (filepos < al[0].a_len * 512 - VSTAFS_START_DATA)
- {
- offset = filepos + VSTAFS_START_DATA;
- extent = 0;
-- curr_len = a[0].a_len * 512 - offset - filepos;
-+ curr_len = al[0].a_len * 512 - offset - filepos;
- }
- else
- {
-- ext_size = a[0].a_len * 512 - VSTAFS_START_DATA;
-+ ext_size = al[0].a_len * 512 - VSTAFS_START_DATA;
- offset = filepos - ext_size;
- extent = 1;
- do
- {
- curr_len -= ext_size;
- offset -= ext_size;
-- ext_size = a[extent+1].a_len * 512;
-+ ext_size = al[extent+1].a_len * 512;
- }
- while (extent < FILE_INFO->extents && offset>ext_size);
- }
-@@ -223,16 +223,16 @@ vstafs_read (char *addr, int len)
- {
- offset = VSTAFS_START_DATA;
- extent = 0;
-- curr_len = a[0].a_len * 512 - offset;
-+ curr_len = al[0].a_len * 512 - offset;
- }
-
- curr_pos = addr;
- if (curr_len > len)
- curr_len = len;
-
-- for (curr_ext=extent;
-- curr_ext < FILE_INFO->extents;
-- curr_len = a[curr_ext].a_len * 512, curr_pos += curr_len, curr_ext++)
-+ for (this_ext=extent;
-+ this_ext < FILE_INFO->extents;
-+ curr_len = al[this_ext].a_len * 512, curr_pos += curr_len, this_ext++)
- {
- ret += curr_len;
- size -= curr_len;
-@@ -242,7 +242,7 @@ vstafs_read (char *addr, int len)
- curr_len += size;
- }
-
-- devread (a[curr_ext].a_start,offset, curr_len, curr_pos);
-+ devread (al[this_ext].a_start,offset, curr_len, curr_pos);
- offset = 0;
- }
-
-diff --git a/stage2/fsys_xfs.c b/stage2/fsys_xfs.c
-index 76c4c13..226e343 100644
---- a/stage2/fsys_xfs.c
-+++ b/stage2/fsys_xfs.c
-@@ -97,19 +97,23 @@ ino2offset (xfs_ino_t ino)
- return ino & XFS_INO_MASK(XFS_INO_OFFSET_BITS);
- }
-
--static inline __const__ xfs_uint16_t
--le16 (xfs_uint16_t x)
-+static inline xfs_uint16_t __attribute__((__const__))
-+le16 (xfs_uint16_t x)
- {
-+#if 1
-+ return ((x & 0xff00) >> 8) | ((x & 0xff) << 8);
-+#else
- __asm__("xchgb %b0,%h0" \
- : "=q" (x) \
- : "0" (x)); \
- return x;
-+#endif
- }
-
--static inline __const__ xfs_uint32_t
-+static inline xfs_uint32_t __attribute__((__const__))
- le32 (xfs_uint32_t x)
- {
--#if 0
-+#if 1
- /* 386 doesn't have bswap. */
- __asm__("bswap %0" : "=r" (x) : "0" (x));
- #else
-@@ -122,7 +126,7 @@ le32 (xfs_uint32_t x)
- return x;
- }
-
--static inline __const__ xfs_uint64_t
-+static inline xfs_uint64_t __attribute__((__const__))
- le64 (xfs_uint64_t x)
- {
- xfs_uint32_t h = x >> 32;
-@@ -187,12 +191,12 @@ fsb2daddr (xfs_fsblock_t fsbno)
- }
-
- #undef offsetof
--#define offsetof(t,m) ((int)&(((t *)0)->m))
-+#define offsetof(t,m) __builtin_offsetof(t, m)
-
--static inline int
-+static inline xfs_uint64_t
- btroot_maxrecs (void)
- {
-- int tmp = icore.di_forkoff ? (icore.di_forkoff << 3) : xfs.isize;
-+ xfs_uint64_t tmp = icore.di_forkoff ? (icore.di_forkoff << 3) : xfs.isize;
-
- return (tmp - sizeof(xfs_bmdr_block_t) - offsetof(xfs_dinode_t, di_u)) /
- (sizeof (xfs_bmbt_key_t) + sizeof (xfs_bmbt_ptr_t));
-@@ -465,7 +469,7 @@ xfs_mount (void)
-
- xfs.bsize = le32 (super.sb_blocksize);
- xfs.blklog = super.sb_blocklog;
-- xfs.bdlog = xfs.blklog - SECTOR_BITS;
-+ xfs.bdlog = xfs.blklog - get_sector_bits(current_drive);
- xfs.rootino = le64 (super.sb_rootino);
- xfs.isize = le16 (super.sb_inodesize);
- xfs.agblocks = le32 (super.sb_agblocks);
-diff --git a/stage2/gpt.h b/stage2/gpt.h
-new file mode 100644
-index 0000000..ad6d8f1
---- /dev/null
-+++ b/stage2/gpt.h
-@@ -0,0 +1,69 @@
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002,2005,2006 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef _GPT_H
-+#define _GPT_H
-+
-+typedef signed char grub_int8_t;
-+typedef signed short grub_int16_t;
-+typedef signed int grub_int32_t;
-+typedef signed long long int grub_int64_t;
-+typedef unsigned char grub_uint8_t;
-+typedef unsigned short grub_uint16_t;
-+typedef unsigned int grub_uint32_t;
-+typedef unsigned long long int grub_uint64_t;
-+
-+struct grub_gpt_header
-+{
-+ grub_uint64_t magic;
-+ grub_uint32_t version;
-+ grub_uint32_t headersize;
-+ grub_uint32_t crc32;
-+ grub_uint32_t unused1;
-+ grub_uint64_t primary;
-+ grub_uint64_t backup;
-+ grub_uint64_t start;
-+ grub_uint64_t end;
-+ grub_uint8_t guid[16];
-+ grub_uint64_t partitions;
-+ grub_uint32_t maxpart;
-+ grub_uint32_t partentry_size;
-+ grub_uint32_t partentry_crc32;
-+} __attribute__ ((packed));
-+
-+struct grub_gpt_partentry
-+{
-+ grub_uint64_t type1;
-+ grub_uint64_t type2;
-+ grub_uint8_t guid[16];
-+ grub_uint64_t start;
-+ grub_uint64_t end;
-+ grub_uint8_t attrib;
-+ char name[72];
-+} __attribute__ ((packed));
-+
-+#define GPT_HEADER_MAGIC 0x5452415020494645ULL
-+
-+#define GPT_ENTRY_SECTOR(drive,size,entry) \
-+ ((((entry) * (size) + 1) & ~(get_sector_size(drive) - 1)) \
-+ >> get_sector_bits(drive))
-+#define GPT_ENTRY_INDEX(drive, size,entry) \
-+ ((((entry) * (size) + 1) & (get_sector_size(drive) - 1)) - 1)
-+
-+#endif /* _GPT_H */
-diff --git a/stage2/graphics.c b/stage2/graphics.c
-new file mode 100644
-index 0000000..81109ae
---- /dev/null
-+++ b/stage2/graphics.c
-@@ -0,0 +1,573 @@
-+/* graphics.c - graphics mode support for GRUB */
-+/* Implemented as a terminal type by Jeremy Katz <katzj(a)redhat.com> based
-+ * on a patch by Paulo César Pereira de Andrade <pcpa(a)conectiva.com.br>
-+ */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2001,2002 Red Hat, Inc.
-+ * Portions copyright (C) 2000 Conectiva, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+
-+
-+#ifdef SUPPORT_GRAPHICS
-+
-+#include <term.h>
-+#include <shared.h>
-+#include <graphics.h>
-+
-+int saved_videomode;
-+unsigned char *font8x16;
-+
-+int graphics_inited = 0;
-+static char splashimage[64];
-+
-+#define VSHADOW VSHADOW1
-+unsigned char VSHADOW1[38400];
-+unsigned char VSHADOW2[38400];
-+unsigned char VSHADOW4[38400];
-+unsigned char VSHADOW8[38400];
-+
-+/* constants to define the viewable area */
-+const int x0 = 0;
-+const int x1 = 80;
-+const int y0 = 0;
-+const int y1 = 30;
-+
-+/* text buffer has to be kept around so that we can write things as we
-+ * scroll and the like */
-+unsigned short text[80 * 30];
-+
-+/* why do these have to be kept here? */
-+int foreground = (63 << 16) | (63 << 8) | (63), background = 0, border = 0;
-+
-+/* current position */
-+static int fontx = 0;
-+static int fonty = 0;
-+
-+/* global state so that we don't try to recursively scroll or cursor */
-+static int no_scroll = 0;
-+
-+/* color state */
-+static int graphics_standard_color = A_NORMAL;
-+static int graphics_normal_color = A_NORMAL;
-+static int graphics_highlight_color = A_REVERSE;
-+static int graphics_current_color = A_NORMAL;
-+static color_state graphics_color_state = COLOR_STATE_STANDARD;
-+
-+
-+/* graphics local functions */
-+static void graphics_setxy(int col, int row);
-+static void graphics_scroll(void);
-+
-+/* FIXME: where do these really belong? */
-+static inline void outb(unsigned short port, unsigned char val)
-+{
-+ __asm __volatile ("outb %0,%1"::"a" (val), "d" (port));
-+}
-+
-+static void MapMask(int value) {
-+ outb(0x3c4, 2);
-+ outb(0x3c5, value);
-+}
-+
-+/* bit mask register */
-+static void BitMask(int value) {
-+ outb(0x3ce, 8);
-+ outb(0x3cf, value);
-+}
-+
-+
-+
-+/* Set the splash image */
-+void graphics_set_splash(char *splashfile) {
-+ grub_strcpy(splashimage, splashfile);
-+}
-+
-+/* Get the current splash image */
-+char *graphics_get_splash(void) {
-+ return splashimage;
-+}
-+
-+/* Initialize a vga16 graphics display with the palette based off of
-+ * the image in splashimage. If the image doesn't exist, leave graphics
-+ * mode. */
-+int graphics_init()
-+{
-+ if (!read_image(splashimage)) {
-+ current_term = term_table;
-+ grub_printf("failed to read image\n");
-+ return 0;
-+ }
-+
-+ font8x16 = (unsigned char*)graphics_get_font();
-+
-+ graphics_inited = 1;
-+
-+ /* make sure that the highlight color is set correctly */
-+ graphics_highlight_color = ((graphics_normal_color >> 4) |
-+ ((graphics_normal_color & 0xf) << 4));
-+
-+ return 1;
-+}
-+
-+/* Leave graphics mode */
-+void graphics_end(void)
-+{
-+ if (graphics_inited) {
-+ set_videomode(saved_videomode);
-+ graphics_inited = 0;
-+ }
-+}
-+
-+/* Print ch on the screen. Handle any needed scrolling or the like */
-+void graphics_putchar(int ch) {
-+ ch &= 0xff;
-+
-+ graphics_cursor(0);
-+
-+ if (ch == '\n') {
-+ if (fonty + 1 < y1)
-+ graphics_setxy(fontx, fonty + 1);
-+ else
-+ graphics_scroll();
-+ graphics_cursor(1);
-+ return;
-+ } else if (ch == '\r') {
-+ graphics_setxy(x0, fonty);
-+ graphics_cursor(1);
-+ return;
-+ }
-+
-+ graphics_cursor(0);
-+
-+ text[fonty * 80 + fontx] = ch;
-+ text[fonty * 80 + fontx] &= 0x00ff;
-+ if (graphics_current_color & 0xf0)
-+ text[fonty * 80 + fontx] |= 0x100;
-+
-+ graphics_cursor(0);
-+
-+ if ((fontx + 1) >= x1) {
-+ graphics_setxy(x0, fonty);
-+ if (fonty + 1 < y1)
-+ graphics_setxy(x0, fonty + 1);
-+ else
-+ graphics_scroll();
-+ } else {
-+ graphics_setxy(fontx + 1, fonty);
-+ }
-+
-+ graphics_cursor(1);
-+}
-+
-+/* get the current location of the cursor */
-+int graphics_getxy(void) {
-+ return (fontx << 8) | fonty;
-+}
-+
-+void graphics_gotoxy(int x, int y) {
-+ graphics_cursor(0);
-+
-+ graphics_setxy(x, y);
-+
-+ graphics_cursor(1);
-+}
-+
-+void graphics_cls(void) {
-+ int i;
-+ unsigned char *mem, *s1, *s2, *s4, *s8;
-+
-+ graphics_cursor(0);
-+ graphics_gotoxy(x0, y0);
-+
-+ mem = (unsigned char*)VIDEOMEM;
-+ s1 = (unsigned char*)VSHADOW1;
-+ s2 = (unsigned char*)VSHADOW2;
-+ s4 = (unsigned char*)VSHADOW4;
-+ s8 = (unsigned char*)VSHADOW8;
-+
-+ for (i = 0; i < 80 * 30; i++)
-+ text[i] = ' ';
-+ graphics_cursor(1);
-+
-+ BitMask(0xff);
-+
-+ /* plano 1 */
-+ MapMask(1);
-+ grub_memcpy(mem, s1, 38400);
-+
-+ /* plano 2 */
-+ MapMask(2);
-+ grub_memcpy(mem, s2, 38400);
-+
-+ /* plano 3 */
-+ MapMask(4);
-+ grub_memcpy(mem, s4, 38400);
-+
-+ /* plano 4 */
-+ MapMask(8);
-+ grub_memcpy(mem, s8, 38400);
-+
-+ MapMask(15);
-+
-+}
-+
-+void graphics_setcolorstate (color_state state) {
-+ switch (state) {
-+ case COLOR_STATE_STANDARD:
-+ graphics_current_color = graphics_standard_color;
-+ break;
-+ case COLOR_STATE_NORMAL:
-+ graphics_current_color = graphics_normal_color;
-+ break;
-+ case COLOR_STATE_HIGHLIGHT:
-+ graphics_current_color = graphics_highlight_color;
-+ break;
-+ default:
-+ graphics_current_color = graphics_standard_color;
-+ break;
-+ }
-+
-+ graphics_color_state = state;
-+}
-+
-+void graphics_setcolor (int normal_color, int highlight_color) {
-+ graphics_normal_color = normal_color;
-+ graphics_highlight_color = highlight_color;
-+
-+ graphics_setcolorstate (graphics_color_state);
-+}
-+
-+int graphics_setcursor (int on) {
-+ /* FIXME: we don't have a cursor in graphics */
-+ return 0;
-+}
-+
-+/* Open the file, and search for a valid XPM header. Return 1 if one is found,
-+ * leaving the current position as the start of the next line. Else,
-+ * return 0.
-+ */
-+static int xpm_open(char *s) {
-+ char buf, prev, target[]="/* XPM */\n";
-+ int pos=0;
-+
-+ if (!grub_open(s))
-+ return 0;
-+
-+ prev='\n';
-+ buf=0;
-+ do {
-+ if (grub_read(&buf, 1) != 1) {
-+ grub_close();
-+ return 0;
-+ }
-+ if ((pos == 0 && prev == '\n') || pos > 0) {
-+ if (buf == target[pos])
-+ pos++;
-+ else
-+ pos=0;
-+ }
-+ prev=buf;
-+ } while (target[pos]);
-+ return 1;
-+}
-+
-+/* Read in the splashscreen image and set the palette up appropriately.
-+ * Format of splashscreen is an xpm (can be gzipped) with 16 colors and
-+ * 640x480. */
-+int read_image(char *s)
-+{
-+ char buf[32], pal[16];
-+ unsigned char c, base, mask, *s1, *s2, *s4, *s8;
-+ unsigned i, len, idx, colors, x, y, width, height;
-+
-+ if (!xpm_open(s))
-+ return 0;
-+
-+ saved_videomode = set_videomode(0x12);
-+
-+ /* parse info */
-+ while (grub_read(&c, 1)) {
-+ if (c == '"')
-+ break;
-+ }
-+
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ i = 0;
-+ width = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ width = width * 10 + c - '0';
-+ else
-+ break;
-+ }
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ height = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ height = height * 10 + c - '0';
-+ else
-+ break;
-+ }
-+ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
-+ ;
-+
-+ colors = c - '0';
-+ while (grub_read(&c, 1)) {
-+ if (c >= '0' && c <= '9')
-+ colors = colors * 10 + c - '0';
-+ else
-+ break;
-+ }
-+
-+ base = 0;
-+ while (grub_read(&c, 1) && c != '"')
-+ ;
-+
-+ /* palette */
-+ for (i = 0, idx = 1; i < colors; i++) {
-+ len = 0;
-+
-+ while (grub_read(&c, 1) && c != '"')
-+ ;
-+ grub_read(&c, 1); /* char */
-+ base = c;
-+ grub_read(buf, 4); /* \t c # */
-+
-+ while (grub_read(&c, 1) && c != '"') {
-+ if (len < sizeof(buf))
-+ buf[len++] = c;
-+ }
-+
-+ if (len == 6 && idx < 15) {
-+ int r = ((hex(buf[0]) << 4) | hex(buf[1])) >> 2;
-+ int g = ((hex(buf[2]) << 4) | hex(buf[3])) >> 2;
-+ int b = ((hex(buf[4]) << 4) | hex(buf[5])) >> 2;
-+
-+ pal[idx] = base;
-+ graphics_set_palette(idx, r, g, b);
-+ ++idx;
-+ }
-+ }
-+
-+ x = y = len = 0;
-+
-+ s1 = (unsigned char*)VSHADOW1;
-+ s2 = (unsigned char*)VSHADOW2;
-+ s4 = (unsigned char*)VSHADOW4;
-+ s8 = (unsigned char*)VSHADOW8;
-+
-+ for (i = 0; i < 38400; i++)
-+ s1[i] = s2[i] = s4[i] = s8[i] = 0;
-+
-+ /* parse xpm data */
-+ while (y < height) {
-+ while (1) {
-+ if (!grub_read(&c, 1)) {
-+ grub_close();
-+ return 0;
-+ }
-+ if (c == '"')
-+ break;
-+ }
-+
-+ while (grub_read(&c, 1) && c != '"') {
-+ for (i = 1; i < 15; i++)
-+ if (pal[i] == c) {
-+ c = i;
-+ break;
-+ }
-+
-+ mask = 0x80 >> (x & 7);
-+ if (c & 1)
-+ s1[len + (x >> 3)] |= mask;
-+ if (c & 2)
-+ s2[len + (x >> 3)] |= mask;
-+ if (c & 4)
-+ s4[len + (x >> 3)] |= mask;
-+ if (c & 8)
-+ s8[len + (x >> 3)] |= mask;
-+
-+ if (++x >= 640) {
-+ x = 0;
-+
-+ if (y < 480)
-+ len += 80;
-+ ++y;
-+ }
-+ }
-+ }
-+
-+ grub_close();
-+
-+ graphics_set_palette(0, (background >> 16), (background >> 8) & 63,
-+ background & 63);
-+ graphics_set_palette(15, (foreground >> 16), (foreground >> 8) & 63,
-+ foreground & 63);
-+ graphics_set_palette(0x11, (border >> 16), (border >> 8) & 63,
-+ border & 63);
-+
-+ return 1;
-+}
-+
-+
-+/* Convert a character which is a hex digit to the appropriate integer */
-+int hex(int v)
-+{
-+ if (v >= 'A' && v <= 'F')
-+ return (v - 'A' + 10);
-+ if (v >= 'a' && v <= 'f')
-+ return (v - 'a' + 10);
-+ return (v - '0');
-+}
-+
-+
-+/* move the graphics cursor location to col, row */
-+static void graphics_setxy(int col, int row) {
-+ if (col >= x0 && col < x1) {
-+ fontx = col;
-+ cursorX = col << 3;
-+ }
-+ if (row >= y0 && row < y1) {
-+ fonty = row;
-+ cursorY = row << 4;
-+ }
-+}
-+
-+/* scroll the screen */
-+static void graphics_scroll(void) {
-+ int i, j;
-+
-+ /* we don't want to scroll recursively... that would be bad */
-+ if (no_scroll)
-+ return;
-+ no_scroll = 1;
-+
-+ /* move everything up a line */
-+ for (j = y0 + 1; j < y1; j++) {
-+ graphics_gotoxy(x0, j - 1);
-+ for (i = x0; i < x1; i++) {
-+ graphics_putchar(text[j * 80 + i]);
-+ }
-+ }
-+
-+ /* last line should be blank */
-+ graphics_gotoxy(x0, y1 - 1);
-+ for (i = x0; i < x1; i++)
-+ graphics_putchar(' ');
-+ graphics_setxy(x0, y1 - 1);
-+
-+ no_scroll = 0;
-+}
-+
-+
-+void graphics_cursor(int set) {
-+ unsigned char *pat, *mem, *ptr, chr[16 << 2];
-+ int i, ch, invert, offset;
-+
-+ if (set && no_scroll)
-+ return;
-+
-+ offset = cursorY * 80 + fontx;
-+ ch = text[fonty * 80 + fontx] & 0xff;
-+ invert = (text[fonty * 80 + fontx] & 0xff00) != 0;
-+ pat = font8x16 + (ch << 4);
-+
-+ mem = (unsigned char*)VIDEOMEM + offset;
-+
-+ if (!set) {
-+ for (i = 0; i < 16; i++) {
-+ unsigned char mask = pat[i];
-+
-+ if (!invert) {
-+ chr[i ] = ((unsigned char*)VSHADOW1)[offset];
-+ chr[16 + i] = ((unsigned char*)VSHADOW2)[offset];
-+ chr[32 + i] = ((unsigned char*)VSHADOW4)[offset];
-+ chr[48 + i] = ((unsigned char*)VSHADOW8)[offset];
-+
-+ /* FIXME: if (shade) */
-+ if (1) {
-+ if (ch == DISP_VERT || ch == DISP_LL ||
-+ ch == DISP_UR || ch == DISP_LR) {
-+ unsigned char pmask = ~(pat[i] >> 1);
-+
-+ chr[i ] &= pmask;
-+ chr[16 + i] &= pmask;
-+ chr[32 + i] &= pmask;
-+ chr[48 + i] &= pmask;
-+ }
-+ if (i > 0 && ch != DISP_VERT) {
-+ unsigned char pmask = ~(pat[i - 1] >> 1);
-+
-+ chr[i ] &= pmask;
-+ chr[16 + i] &= pmask;
-+ chr[32 + i] &= pmask;
-+ chr[48 + i] &= pmask;
-+ if (ch == DISP_HORIZ || ch == DISP_UR || ch == DISP_LR) {
-+ pmask = ~pat[i - 1];
-+
-+ chr[i ] &= pmask;
-+ chr[16 + i] &= pmask;
-+ chr[32 + i] &= pmask;
-+ chr[48 + i] &= pmask;
-+ }
-+ }
-+ }
-+ chr[i ] |= mask;
-+ chr[16 + i] |= mask;
-+ chr[32 + i] |= mask;
-+ chr[48 + i] |= mask;
-+
-+ offset += 80;
-+ }
-+ else {
-+ chr[i ] = ~mask;
-+ chr[16 + i] = ~mask;
-+ chr[32 + i] = ~mask;
-+ chr[48 + i] = ~mask;
-+ }
-+ }
-+ }
-+ else {
-+ MapMask(15);
-+ ptr = mem;
-+ for (i = 0; i < 16; i++, ptr += 80) {
-+ cursorBuf[i] = pat[i];
-+ *ptr = ~pat[i];
-+ }
-+ return;
-+ }
-+
-+ offset = 0;
-+ for (i = 1; i < 16; i <<= 1, offset += 16) {
-+ int j;
-+
-+ MapMask(i);
-+ ptr = mem;
-+ for (j = 0; j < 16; j++, ptr += 80)
-+ *ptr = chr[j + offset];
-+ }
-+
-+ MapMask(15);
-+}
-+
-+#endif /* SUPPORT_GRAPHICS */
-diff --git a/stage2/graphics.h b/stage2/graphics.h
-new file mode 100644
-index 0000000..a4cd9e8
---- /dev/null
-+++ b/stage2/graphics.h
-@@ -0,0 +1,42 @@
-+/* graphics.h - graphics console interface */
-+/*
-+ * GRUB -- GRand Unified Bootloader
-+ * Copyright (C) 2002 Free Software Foundation, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+
-+#ifndef GRAPHICS_H
-+#define GRAPHICS_H
-+
-+/* magic constant */
-+#define VIDEOMEM 0xA0000
-+
-+/* function prototypes */
-+char *graphics_get_splash(void);
-+
-+int read_image(char *s);
-+void graphics_cursor(int set);
-+
-+/* function prototypes for asm functions */
-+void * graphics_get_font();
-+void graphics_set_palette(int idx, int red, int green, int blue);
-+void set_int1c_handler();
-+void unset_int1c_handler();
-+
-+extern short cursorX, cursorY;
-+extern char cursorBuf[16];
-+
-+#endif /* GRAPHICS_H */
-diff --git a/stage2/gunzip.c b/stage2/gunzip.c
-index 8835089..45a2312 100644
---- a/stage2/gunzip.c
-+++ b/stage2/gunzip.c
-@@ -141,7 +141,7 @@ static int gzip_filepos;
- static int gzip_filemax;
- static int gzip_fsmax;
- static int saved_filepos;
--static unsigned long gzip_crc;
-+static unsigned int gzip_crc;
-
- /* internal extra variables for use of inflate code */
- static int block_type;
-@@ -169,7 +169,14 @@ linalloc (int size)
- static void
- reset_linalloc (void)
- {
-+#ifdef PLATFORM_EFI
-+ unsigned int top = (mbi.mem_upper << 10) + 0x100000;
-+ if (top > GRUB_SCRATCH_MEM_SIZE)
-+ top = GRUB_SCRATCH_MEM_SIZE;
-+ linalloc_topaddr = RAW_ADDR (top);
-+#else
- linalloc_topaddr = RAW_ADDR ((mbi.mem_upper << 10) + 0x100000);
-+#endif
- }
-
-
-@@ -253,7 +260,7 @@ bad_field (int len)
-
- typedef unsigned char uch;
- typedef unsigned short ush;
--typedef unsigned long ulg;
-+typedef unsigned int ulg;
-
- /*
- * Window Size
-@@ -316,8 +323,8 @@ gunzip_test_header (void)
- return 0;
- }
-
-- gzip_crc = *((unsigned long *) buf);
-- gzip_fsmax = gzip_filemax = *((unsigned long *) (buf + 4));
-+ gzip_crc = *((unsigned int *) buf);
-+ gzip_fsmax = gzip_filemax = *((unsigned int *) (buf + 4));
-
- initialize_tables ();
-
-diff --git a/stage2/iso9660.h b/stage2/iso9660.h
-index 4a6a8cc..c311ecf 100644
---- a/stage2/iso9660.h
-+++ b/stage2/iso9660.h
-@@ -73,11 +73,11 @@ typedef union {
-
- typedef struct __iso_16bit {
- u_int16_t l, b;
--} iso_16bit_t __attribute__ ((packed));
-+} iso_16bit_t;
-
- typedef struct __iso_32bit {
- u_int32_t l, b;
--} iso_32bit_t __attribute__ ((packed));
-+} iso_32bit_t;
-
- typedef u_int8_t iso_date_t[7];
-
-diff --git a/stage2/mb_info.h b/stage2/mb_info.h
-index 1e1e63b..3a8dcfb 100644
---- a/stage2/mb_info.h
-+++ b/stage2/mb_info.h
-@@ -44,10 +44,10 @@ struct mod_list
-
- struct AddrRangeDesc
- {
-- unsigned long size;
-+ unsigned int size;
- unsigned long long BaseAddr;
- unsigned long long Length;
-- unsigned long Type;
-+ unsigned int Type;
-
- /* unspecified optional padding... */
- } __attribute__ ((packed));
-diff --git a/stage2/pc_slice.h b/stage2/pc_slice.h
-index a38d97f..2206e82 100644
---- a/stage2/pc_slice.h
-+++ b/stage2/pc_slice.h
-@@ -38,50 +38,50 @@
- */
-
- #define PC_MBR_CHECK_SIG(mbr_ptr) \
-- ( *( (unsigned short *) (((int) mbr_ptr) + PC_MBR_SIG_OFFSET) ) \
-+ ( *( (unsigned short *) (((unsigned long) mbr_ptr) + PC_MBR_SIG_OFFSET) ) \
- == PC_MBR_SIGNATURE )
-
- #define PC_MBR_SIG(mbr_ptr) \
-- ( *( (unsigned short *) (((int) mbr_ptr) + PC_MBR_SIG_OFFSET) ) )
-+ ( *( (unsigned short *) (((unsigned long) mbr_ptr) + PC_MBR_SIG_OFFSET) ) )
-
- #define PC_SLICE_FLAG(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET \
- + (part << 4)) ) )
-
- #define PC_SLICE_HEAD(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 1 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 1 \
- + (part << 4)) ) )
-
- #define PC_SLICE_SEC(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 2 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 2 \
- + (part << 4)) ) )
-
- #define PC_SLICE_CYL(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 3 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 3 \
- + (part << 4)) ) )
-
- #define PC_SLICE_TYPE(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 4 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 4 \
- + (part << 4)) ) )
-
- #define PC_SLICE_EHEAD(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 5 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 5 \
- + (part << 4)) ) )
-
- #define PC_SLICE_ESEC(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 6 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 6 \
- + (part << 4)) ) )
-
- #define PC_SLICE_ECYL(mbr_ptr, part) \
-- ( *( (unsigned char *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 7 \
-+ ( *( (unsigned char *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 7 \
- + (part << 4)) ) )
-
- #define PC_SLICE_START(mbr_ptr, part) \
-- ( *( (unsigned long *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 8 \
-+ ( *( (unsigned int *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 8 \
- + (part << 4)) ) )
-
- #define PC_SLICE_LENGTH(mbr_ptr, part) \
-- ( *( (unsigned long *) (((int) mbr_ptr) + PC_SLICE_OFFSET + 12 \
-+ ( *( (unsigned int *) (((unsigned long) mbr_ptr) + PC_SLICE_OFFSET + 12 \
- + (part << 4)) ) )
-
-
-@@ -115,6 +115,8 @@
- #define PC_SLICE_TYPE_LINUX_EXTENDED 0x85
- #define PC_SLICE_TYPE_VSTAFS 0x9e
- #define PC_SLICE_TYPE_DELL_UTIL 0xde
-+#define PC_SLICE_TYPE_GPT 0xee
-+#define PC_SLICE_TYPE_EFI 0xef
- #define PC_SLICE_TYPE_LINUX_RAID 0xfd
-
-
-@@ -129,7 +131,8 @@
- || _type == PC_SLICE_TYPE_FAT16_LBA \
- || _type == PC_SLICE_TYPE_FAT32 \
- || _type == PC_SLICE_TYPE_FAT32_LBA \
-- || _type == PC_SLICE_TYPE_DELL_UTIL; })
-+ || _type == PC_SLICE_TYPE_DELL_UTIL \
-+ || _type == PC_SLICE_TYPE_EFI; })
-
- #define IS_PC_SLICE_TYPE_EXTENDED(type) \
- (((type) == PC_SLICE_TYPE_EXTENDED) \
-@@ -177,40 +180,40 @@
- */
-
- #define BSD_LABEL_CHECK_MAG(l_ptr) \
-- ( *( (unsigned long *) (((int) l_ptr) + BSD_LABEL_MAG_OFFSET) ) \
-- == ( (unsigned long) BSD_LABEL_MAGIC ) )
-+ ( *( (unsigned int *) (((unsigned long) l_ptr) + BSD_LABEL_MAG_OFFSET) ) \
-+ == ( (unsigned int) BSD_LABEL_MAGIC ) )
-
- #define BSD_LABEL_MAG(l_ptr) \
-- ( *( (unsigned long *) (((int) l_ptr) + BSD_LABEL_MAG_OFFSET) ) )
-+ ( *( (unsigned int *) (((unsigned long) l_ptr) + BSD_LABEL_MAG_OFFSET) ) )
-
- #define BSD_LABEL_DTYPE(l_ptr) \
-- ( *( (unsigned short *) (((int) l_ptr) + BSD_LABEL_MAG_OFFSET + 4) ) )
-+ ( *( (unsigned short *) (((unsigned long) l_ptr) + BSD_LABEL_MAG_OFFSET + 4) ) )
-
- #define BSD_LABEL_NPARTS(l_ptr) \
-- ( *( (unsigned short *) (((int) l_ptr) + BSD_LABEL_NPARTS_OFFSET) ) )
-+ ( *( (unsigned short *) (((unsigned long) l_ptr) + BSD_LABEL_NPARTS_OFFSET) ) )
-
- #define BSD_PART_LENGTH(l_ptr, part) \
-- ( *( (unsigned long *) (((int) l_ptr) + BSD_PART_OFFSET \
-+ ( *( (unsigned int *) (((unsigned long) l_ptr) + BSD_PART_OFFSET \
- + (part << 4)) ) )
-
- #define BSD_PART_START(l_ptr, part) \
-- ( *( (unsigned long *) (((int) l_ptr) + BSD_PART_OFFSET + 4 \
-+ ( *( (unsigned int *) (((unsigned long) l_ptr) + BSD_PART_OFFSET + 4 \
- + (part << 4)) ) )
-
- #define BSD_PART_FRAG_SIZE(l_ptr, part) \
-- ( *( (unsigned long *) (((int) l_ptr) + BSD_PART_OFFSET + 8 \
-+ ( *( (unsigned int *) (((unsigned long) l_ptr) + BSD_PART_OFFSET + 8 \
- + (part << 4)) ) )
-
- #define BSD_PART_TYPE(l_ptr, part) \
-- ( *( (unsigned char *) (((int) l_ptr) + BSD_PART_OFFSET + 12 \
-+ ( *( (unsigned char *) (((unsigned long) l_ptr) + BSD_PART_OFFSET + 12 \
- + (part << 4)) ) )
-
- #define BSD_PART_FRAGS_PER_BLOCK(l_ptr, part) \
-- ( *( (unsigned char *) (((int) l_ptr) + BSD_PART_OFFSET + 13 \
-+ ( *( (unsigned char *) (((unsigned long) l_ptr) + BSD_PART_OFFSET + 13 \
- + (part << 4)) ) )
-
- #define BSD_PART_EXTRA(l_ptr, part) \
-- ( *( (unsigned short *) (((int) l_ptr) + BSD_PART_OFFSET + 14 \
-+ ( *( (unsigned short *) (((unsigned long) l_ptr) + BSD_PART_OFFSET + 14 \
- + (part << 4)) ) )
-
-
-diff --git a/stage2/serial.c b/stage2/serial.c
-index 16c376f..37b9532 100644
---- a/stage2/serial.c
-+++ b/stage2/serial.c
-@@ -37,7 +37,7 @@ static int keep_track = 1;
-
- /* Hardware-dependent definitions. */
-
--#ifndef GRUB_UTIL
-+#if ! defined (GRUB_UTIL) && ! defined (PLATFORM_EFI)
- /* The structure for speed vs. divisor. */
- struct divisor
- {
-@@ -187,7 +187,7 @@ serial_hw_init (unsigned short port, unsigned int speed,
-
- return 1;
- }
--#endif /* ! GRUB_UTIL */
-+#endif /* ! defined (GRUB_UTIL) && ! defined (PLATFORM_EFI) */
-
-
- /* Generic definitions. */
-diff --git a/stage2/sha256crypt.c b/stage2/sha256crypt.c
-new file mode 100644
-index 0000000..db168a2
---- /dev/null
-+++ b/stage2/sha256crypt.c
-@@ -0,0 +1,723 @@
-+/* SHA256-based Unix crypt implementation.
-+ Released into the Public Domain by Ulrich Drepper <drepper(a)redhat.com>.
-+ Adapted for grub by Miloslav Trmac <mitr(a)redhat.com>. */
-+
-+#include <stdbool.h>
-+#include <stddef.h>
-+
-+#include <shared.h>
-+
-+typedef unsigned int uint32_t;
-+typedef size_t uintptr_t;
-+#define alloca(SIZE) (__builtin_alloca (SIZE))
-+#define MIN(A, B) ((A) < (B) ? (A) : (B))
-+#define MAX(A, B) ((A) > (B) ? (A) : (B))
-+
-+/* Structure to save state of computation between the single steps. */
-+struct sha256_ctx
-+{
-+ uint32_t H[8];
-+
-+ uint32_t total[2];
-+ uint32_t buflen;
-+ char buffer[128]; /* NB: always correctly aligned for uint32_t. */
-+};
-+
-+
-+#if 1 /* __BYTE_ORDER == __LITTLE_ENDIAN */
-+# define SWAP(n) \
-+ (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
-+#else
-+# define SWAP(n) (n)
-+#endif
-+
-+
-+/* This array contains the bytes used to pad the buffer to the next
-+ 64-byte boundary. (FIPS 180-2:5.1.1) */
-+static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
-+
-+
-+/* Constants for SHA256 from FIPS 180-2:4.2.2. */
-+static const uint32_t K[64] =
-+ {
-+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-+ };
-+
-+
-+/* Process LEN bytes of BUFFER, accumulating context into CTX.
-+ It is assumed that LEN % 64 == 0. */
-+static void
-+sha256_process_block (const void *buffer, size_t len, struct sha256_ctx *ctx)
-+{
-+ const uint32_t *words = buffer;
-+ size_t nwords = len / sizeof (uint32_t);
-+ uint32_t a = ctx->H[0];
-+ uint32_t b = ctx->H[1];
-+ uint32_t c = ctx->H[2];
-+ uint32_t d = ctx->H[3];
-+ uint32_t e = ctx->H[4];
-+ uint32_t f = ctx->H[5];
-+ uint32_t g = ctx->H[6];
-+ uint32_t h = ctx->H[7];
-+
-+ /* First increment the byte count. FIPS 180-2 specifies the possible
-+ length of the file up to 2^64 bits. Here we only compute the
-+ number of bytes. Do a double word increment. */
-+ ctx->total[0] += len;
-+ if (ctx->total[0] < len)
-+ ++ctx->total[1];
-+
-+ /* Process all bytes in the buffer with 64 bytes in each round of
-+ the loop. */
-+ while (nwords > 0)
-+ {
-+ uint32_t W[64];
-+ uint32_t a_save = a;
-+ uint32_t b_save = b;
-+ uint32_t c_save = c;
-+ uint32_t d_save = d;
-+ uint32_t e_save = e;
-+ uint32_t f_save = f;
-+ uint32_t g_save = g;
-+ uint32_t h_save = h;
-+ unsigned int t;
-+
-+ /* Operators defined in FIPS 180-2:4.1.2. */
-+#define Ch(x, y, z) ((x & y) ^ (~x & z))
-+#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-+#define S0(x) (CYCLIC (x, 2) ^ CYCLIC (x, 13) ^ CYCLIC (x, 22))
-+#define S1(x) (CYCLIC (x, 6) ^ CYCLIC (x, 11) ^ CYCLIC (x, 25))
-+#define R0(x) (CYCLIC (x, 7) ^ CYCLIC (x, 18) ^ (x >> 3))
-+#define R1(x) (CYCLIC (x, 17) ^ CYCLIC (x, 19) ^ (x >> 10))
-+
-+ /* It is unfortunate that C does not provide an operator for
-+ cyclic rotation. Hope the C compiler is smart enough. */
-+#define CYCLIC(w, s) ((w >> s) | (w << (32 - s)))
-+
-+ /* Compute the message schedule according to FIPS 180-2:6.2.2 step 2. */
-+ for (t = 0; t < 16; ++t)
-+ {
-+ W[t] = SWAP (*words);
-+ ++words;
-+ }
-+ for (t = 16; t < 64; ++t)
-+ W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16];
-+
-+ /* The actual computation according to FIPS 180-2:6.2.2 step 3. */
-+ for (t = 0; t < 64; ++t)
-+ {
-+ uint32_t T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t];
-+ uint32_t T2 = S0 (a) + Maj (a, b, c);
-+ h = g;
-+ g = f;
-+ f = e;
-+ e = d + T1;
-+ d = c;
-+ c = b;
-+ b = a;
-+ a = T1 + T2;
-+ }
-+
-+ /* Add the starting values of the context according to FIPS 180-2:6.2.2
-+ step 4. */
-+ a += a_save;
-+ b += b_save;
-+ c += c_save;
-+ d += d_save;
-+ e += e_save;
-+ f += f_save;
-+ g += g_save;
-+ h += h_save;
-+
-+ /* Prepare for the next round. */
-+ nwords -= 16;
-+ }
-+
-+ /* Put checksum in context given as argument. */
-+ ctx->H[0] = a;
-+ ctx->H[1] = b;
-+ ctx->H[2] = c;
-+ ctx->H[3] = d;
-+ ctx->H[4] = e;
-+ ctx->H[5] = f;
-+ ctx->H[6] = g;
-+ ctx->H[7] = h;
-+}
-+
-+
-+/* Initialize structure containing state of computation.
-+ (FIPS 180-2:5.3.2) */
-+static void
-+sha256_init_ctx (struct sha256_ctx *ctx)
-+{
-+ ctx->H[0] = 0x6a09e667;
-+ ctx->H[1] = 0xbb67ae85;
-+ ctx->H[2] = 0x3c6ef372;
-+ ctx->H[3] = 0xa54ff53a;
-+ ctx->H[4] = 0x510e527f;
-+ ctx->H[5] = 0x9b05688c;
-+ ctx->H[6] = 0x1f83d9ab;
-+ ctx->H[7] = 0x5be0cd19;
-+
-+ ctx->total[0] = ctx->total[1] = 0;
-+ ctx->buflen = 0;
-+}
-+
-+
-+/* Process the remaining bytes in the internal buffer and the usual
-+ prolog according to the standard and write the result to RESBUF.
-+
-+ IMPORTANT: On some systems it is required that RESBUF is correctly
-+ aligned for a 32 bits value. */
-+static void *
-+sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf)
-+{
-+ /* Take yet unprocessed bytes into account. */
-+ uint32_t bytes = ctx->buflen;
-+ size_t pad;
-+ unsigned int i;
-+
-+ /* Now count remaining bytes. */
-+ ctx->total[0] += bytes;
-+ if (ctx->total[0] < bytes)
-+ ++ctx->total[1];
-+
-+ pad = bytes >= 56 ? 64 + 56 - bytes : 56 - bytes;
-+ memcpy (&ctx->buffer[bytes], fillbuf, pad);
-+
-+ /* Put the 64-bit file length in *bits* at the end of the buffer. */
-+ *(uint32_t *) &ctx->buffer[bytes + pad + 4] = SWAP (ctx->total[0] << 3);
-+ *(uint32_t *) &ctx->buffer[bytes + pad] = SWAP ((ctx->total[1] << 3) |
-+ (ctx->total[0] >> 29));
-+
-+ /* Process last bytes. */
-+ sha256_process_block (ctx->buffer, bytes + pad + 8, ctx);
-+
-+ /* Put result from CTX in first 32 bytes following RESBUF. */
-+ for (i = 0; i < 8; ++i)
-+ ((uint32_t *) resbuf)[i] = SWAP (ctx->H[i]);
-+
-+ return resbuf;
-+}
-+
-+
-+static void
-+sha256_process_bytes (const void *buffer, size_t len, struct sha256_ctx *ctx)
-+{
-+ /* When we already have some bits in our internal buffer concatenate
-+ both inputs first. */
-+ if (ctx->buflen != 0)
-+ {
-+ size_t left_over = ctx->buflen;
-+ size_t add = 128 - left_over > len ? len : 128 - left_over;
-+
-+ memcpy (&ctx->buffer[left_over], buffer, add);
-+ ctx->buflen += add;
-+
-+ if (ctx->buflen > 64)
-+ {
-+ sha256_process_block (ctx->buffer, ctx->buflen & ~63, ctx);
-+
-+ ctx->buflen &= 63;
-+ /* The regions in the following copy operation cannot overlap. */
-+ memcpy (ctx->buffer, &ctx->buffer[(left_over + add) & ~63],
-+ ctx->buflen);
-+ }
-+
-+ buffer = (const char *) buffer + add;
-+ len -= add;
-+ }
-+
-+ /* Process available complete blocks. */
-+ if (len >= 64)
-+ {
-+/* To check alignment gcc has an appropriate operator. Other
-+ compilers don't. */
-+#if __GNUC__ >= 2
-+# define UNALIGNED_P(p) (((uintptr_t) p) % __alignof__ (uint32_t) != 0)
-+#else
-+# define UNALIGNED_P(p) (((uintptr_t) p) % sizeof (uint32_t) != 0)
-+#endif
-+ if (UNALIGNED_P (buffer))
-+ while (len > 64)
-+ {
-+ sha256_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
-+ buffer = (const char *) buffer + 64;
-+ len -= 64;
-+ }
-+ else
-+ {
-+ sha256_process_block (buffer, len & ~63, ctx);
-+ buffer = (const char *) buffer + (len & ~63);
-+ len &= 63;
-+ }
-+ }
-+
-+ /* Move remaining bytes into internal buffer. */
-+ if (len > 0)
-+ {
-+ size_t left_over = ctx->buflen;
-+
-+ memcpy (&ctx->buffer[left_over], buffer, len);
-+ left_over += len;
-+ if (left_over >= 64)
-+ {
-+ sha256_process_block (ctx->buffer, 64, ctx);
-+ left_over -= 64;
-+ memcpy (ctx->buffer, &ctx->buffer[64], left_over);
-+ }
-+ ctx->buflen = left_over;
-+ }
-+}
-+
-+
-+/* Define our magic string to mark salt for SHA256 "encryption"
-+ replacement. */
-+static const char sha256_salt_prefix[] = "$5$";
-+
-+/* Prefix for optional rounds specification. */
-+static const char sha256_rounds_prefix[] = "rounds=";
-+
-+/* Maximum salt string length. */
-+#define SALT_LEN_MAX 16
-+/* Default number of rounds if not explicitly specified. */
-+#define ROUNDS_DEFAULT 5000
-+/* Minimum number of rounds. */
-+#define ROUNDS_MIN 1000
-+/* Maximum number of rounds. */
-+#define ROUNDS_MAX 999999999
-+
-+/* Table with characters for base64 transformation. */
-+static const char b64t[64] =
-+"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-+
-+
-+static char *
-+sha256_crypt_r (const char *key, const char *salt, char *buffer, int buflen)
-+{
-+ unsigned char alt_result[32]
-+ __attribute__ ((__aligned__ (__alignof__ (uint32_t))));
-+ unsigned char temp_result[32]
-+ __attribute__ ((__aligned__ (__alignof__ (uint32_t))));
-+ struct sha256_ctx ctx;
-+ struct sha256_ctx alt_ctx;
-+ size_t salt_len;
-+ size_t key_len;
-+ size_t cnt;
-+ char *cp;
-+ char *copied_key = NULL;
-+ char *copied_salt = NULL;
-+ char *p_bytes;
-+ char *s_bytes;
-+ /* Default number of rounds. */
-+ size_t rounds = ROUNDS_DEFAULT;
-+ bool rounds_custom = false;
-+
-+ /* Find beginning of salt string. The prefix should normally always
-+ be present. Just in case it is not. */
-+ if (grub_memcmp (sha256_salt_prefix, salt,
-+ sizeof (sha256_salt_prefix) - 1) == 0)
-+ /* Skip salt prefix. */
-+ salt += sizeof (sha256_salt_prefix) - 1;
-+
-+ if (grub_memcmp (salt, sha256_rounds_prefix,
-+ sizeof (sha256_rounds_prefix) - 1) == 0)
-+ {
-+ const char *num = salt + sizeof (sha256_rounds_prefix) - 1;
-+ char *endp = (char *)num;
-+ int srounds = 0;
-+ if (*endp == '0' && tolower (endp[1]) == 'x')
-+ /* This would be interpreted as hexadecimal by safe_parse_maxint(). */
-+ endp++;
-+ else
-+ /* On error, endp and srounds is not changed. */
-+ safe_parse_maxint(&endp, &srounds);
-+ if (*endp == '$')
-+ {
-+ salt = endp + 1;
-+ rounds = MAX (ROUNDS_MIN, MIN (srounds, ROUNDS_MAX));
-+ rounds_custom = true;
-+ }
-+ }
-+
-+ salt_len = MIN (strcspn (salt, "$"), SALT_LEN_MAX);
-+ key_len = strlen (key);
-+
-+ if ((key - (char *) 0) % __alignof__ (uint32_t) != 0)
-+ {
-+ char *tmp = (char *) alloca (key_len + __alignof__ (uint32_t));
-+ key = copied_key =
-+ memcpy (tmp + __alignof__ (uint32_t)
-+ - (tmp - (char *) 0) % __alignof__ (uint32_t),
-+ key, key_len);
-+ }
-+
-+ if ((salt - (char *) 0) % __alignof__ (uint32_t) != 0)
-+ {
-+ char *tmp = (char *) alloca (salt_len + __alignof__ (uint32_t));
-+ salt = copied_salt =
-+ memcpy (tmp + __alignof__ (uint32_t)
-+ - (tmp - (char *) 0) % __alignof__ (uint32_t),
-+ salt, salt_len);
-+ }
-+
-+ /* Prepare for the real work. */
-+ sha256_init_ctx (&ctx);
-+
-+ /* Add the key string. */
-+ sha256_process_bytes (key, key_len, &ctx);
-+
-+ /* The last part is the salt string. This must be at most 16
-+ characters and it ends at the first `$' character (for
-+ compatibility with existing implementations). */
-+ sha256_process_bytes (salt, salt_len, &ctx);
-+
-+
-+ /* Compute alternate SHA256 sum with input KEY, SALT, and KEY. The
-+ final result will be added to the first context. */
-+ sha256_init_ctx (&alt_ctx);
-+
-+ /* Add key. */
-+ sha256_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Add salt. */
-+ sha256_process_bytes (salt, salt_len, &alt_ctx);
-+
-+ /* Add key again. */
-+ sha256_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Now get result of this (32 bytes) and add it to the other
-+ context. */
-+ sha256_finish_ctx (&alt_ctx, alt_result);
-+
-+ /* Add for any character in the key one byte of the alternate sum. */
-+ for (cnt = key_len; cnt > 32; cnt -= 32)
-+ sha256_process_bytes (alt_result, 32, &ctx);
-+ sha256_process_bytes (alt_result, cnt, &ctx);
-+
-+ /* Take the binary representation of the length of the key and for every
-+ 1 add the alternate sum, for every 0 the key. */
-+ for (cnt = key_len; cnt > 0; cnt >>= 1)
-+ if ((cnt & 1) != 0)
-+ sha256_process_bytes (alt_result, 32, &ctx);
-+ else
-+ sha256_process_bytes (key, key_len, &ctx);
-+
-+ /* Create intermediate result. */
-+ sha256_finish_ctx (&ctx, alt_result);
-+
-+ /* Start computation of P byte sequence. */
-+ sha256_init_ctx (&alt_ctx);
-+
-+ /* For every character in the password add the entire password. */
-+ for (cnt = 0; cnt < key_len; ++cnt)
-+ sha256_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Finish the digest. */
-+ sha256_finish_ctx (&alt_ctx, temp_result);
-+
-+ /* Create byte sequence P. */
-+ cp = p_bytes = alloca (key_len);
-+ for (cnt = key_len; cnt >= 32; cnt -= 32)
-+ {
-+ memcpy (cp, temp_result, 32);
-+ cp += 32;
-+ }
-+ memcpy (cp, temp_result, cnt);
-+
-+ /* Start computation of S byte sequence. */
-+ sha256_init_ctx (&alt_ctx);
-+
-+ /* For every character in the password add the entire password. */
-+ for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt)
-+ sha256_process_bytes (salt, salt_len, &alt_ctx);
-+
-+ /* Finish the digest. */
-+ sha256_finish_ctx (&alt_ctx, temp_result);
-+
-+ /* Create byte sequence S. */
-+ cp = s_bytes = alloca (salt_len);
-+ for (cnt = salt_len; cnt >= 32; cnt -= 32)
-+ {
-+ memcpy (cp, temp_result, 32);
-+ cp += 32;
-+ }
-+ memcpy (cp, temp_result, cnt);
-+
-+ /* Repeatedly run the collected hash value through SHA256 to burn
-+ CPU cycles. */
-+ for (cnt = 0; cnt < rounds; ++cnt)
-+ {
-+ /* New context. */
-+ sha256_init_ctx (&ctx);
-+
-+ /* Add key or last result. */
-+ if ((cnt & 1) != 0)
-+ sha256_process_bytes (p_bytes, key_len, &ctx);
-+ else
-+ sha256_process_bytes (alt_result, 32, &ctx);
-+
-+ /* Add salt for numbers not divisible by 3. */
-+ if (cnt % 3 != 0)
-+ sha256_process_bytes (s_bytes, salt_len, &ctx);
-+
-+ /* Add key for numbers not divisible by 7. */
-+ if (cnt % 7 != 0)
-+ sha256_process_bytes (p_bytes, key_len, &ctx);
-+
-+ /* Add key or last result. */
-+ if ((cnt & 1) != 0)
-+ sha256_process_bytes (alt_result, 32, &ctx);
-+ else
-+ sha256_process_bytes (p_bytes, key_len, &ctx);
-+
-+ /* Create intermediate result. */
-+ sha256_finish_ctx (&ctx, alt_result);
-+ }
-+
-+ /* Now we can construct the result string. It consists of three
-+ parts. */
-+ cp = stpncpy (buffer, sha256_salt_prefix, MAX (0, buflen));
-+ buflen -= sizeof (sha256_salt_prefix) - 1;
-+
-+ if (rounds_custom)
-+ {
-+ char sbuf[64];
-+ grub_sprintf (sbuf, "%s%llu$", sha256_rounds_prefix,
-+ (unsigned long long)rounds);
-+ size_t n = strlen (sbuf);
-+ memcpy (cp, sbuf, MIN (MAX (0, buflen), n));
-+ cp += n;
-+ buflen -= n;
-+ }
-+
-+ cp = stpncpy (cp, salt, MIN ((size_t) MAX (0, buflen), salt_len));
-+ buflen -= MIN ((size_t) MAX (0, buflen), salt_len);
-+
-+ if (buflen > 0)
-+ {
-+ *cp++ = '$';
-+ --buflen;
-+ }
-+
-+#define b64_from_24bit(B2, B1, B0, N) \
-+ do { \
-+ unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
-+ int n = (N); \
-+ while (n-- > 0 && buflen > 0) \
-+ { \
-+ *cp++ = b64t[w & 0x3f]; \
-+ --buflen; \
-+ w >>= 6; \
-+ } \
-+ } while (0)
-+
-+ b64_from_24bit (alt_result[0], alt_result[10], alt_result[20], 4);
-+ b64_from_24bit (alt_result[21], alt_result[1], alt_result[11], 4);
-+ b64_from_24bit (alt_result[12], alt_result[22], alt_result[2], 4);
-+ b64_from_24bit (alt_result[3], alt_result[13], alt_result[23], 4);
-+ b64_from_24bit (alt_result[24], alt_result[4], alt_result[14], 4);
-+ b64_from_24bit (alt_result[15], alt_result[25], alt_result[5], 4);
-+ b64_from_24bit (alt_result[6], alt_result[16], alt_result[26], 4);
-+ b64_from_24bit (alt_result[27], alt_result[7], alt_result[17], 4);
-+ b64_from_24bit (alt_result[18], alt_result[28], alt_result[8], 4);
-+ b64_from_24bit (alt_result[9], alt_result[19], alt_result[29], 4);
-+ b64_from_24bit (0, alt_result[31], alt_result[30], 3);
-+ if (buflen <= 0)
-+ buffer = NULL;
-+ else
-+ *cp = '\0'; /* Terminate the string. */
-+
-+ /* Clear the buffer for the intermediate result so that people
-+ attaching to processes or reading core dumps cannot get any
-+ information. We do it in this way to clear correct_words[]
-+ inside the SHA256 implementation as well. */
-+ sha256_init_ctx (&ctx);
-+ sha256_finish_ctx (&ctx, alt_result);
-+ memset (temp_result, '\0', sizeof (temp_result));
-+ memset (p_bytes, '\0', key_len);
-+ memset (s_bytes, '\0', salt_len);
-+ memset (&ctx, '\0', sizeof (ctx));
-+ memset (&alt_ctx, '\0', sizeof (alt_ctx));
-+ if (copied_key != NULL)
-+ memset (copied_key, '\0', key_len);
-+ if (copied_salt != NULL)
-+ memset (copied_salt, '\0', salt_len);
-+
-+ return buffer;
-+}
-+
-+
-+/* This entry point is equivalent to the `crypt' function in Unix
-+ libcs. */
-+char *
-+sha256_crypt (const char *key, const char *salt)
-+{
-+ static char buffer[sizeof (sha256_salt_prefix) - 1
-+ + sizeof (sha256_rounds_prefix) + 9 + 1
-+ + 256 + 1 + 43 + 1]; /* 256 bytes for salt */
-+ int needed = (sizeof (sha256_salt_prefix) - 1
-+ + sizeof (sha256_rounds_prefix) + 9 + 1
-+ + strlen (salt) + 1 + 43 + 1);
-+
-+ if (sizeof (buffer) < needed)
-+ return NULL;
-+
-+ return sha256_crypt_r (key, salt, buffer, sizeof (buffer));
-+}
-+
-+
-+#ifdef TEST
-+static const struct
-+{
-+ const char *input;
-+ const char result[32];
-+} tests[] =
-+ {
-+ /* Test vectors from FIPS 180-2: appendix B.1. */
-+ { "abc",
-+ "\xba\x78\x16\xbf\x8f\x01\xcf\xea\x41\x41\x40\xde\x5d\xae\x22\x23"
-+ "\xb0\x03\x61\xa3\x96\x17\x7a\x9c\xb4\x10\xff\x61\xf2\x00\x15\xad" },
-+ /* Test vectors from FIPS 180-2: appendix B.2. */
-+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
-+ "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
-+ "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
-+ /* Test vectors from the NESSIE project. */
-+ { "",
-+ "\xe3\xb0\xc4\x42\x98\xfc\x1c\x14\x9a\xfb\xf4\xc8\x99\x6f\xb9\x24"
-+ "\x27\xae\x41\xe4\x64\x9b\x93\x4c\xa4\x95\x99\x1b\x78\x52\xb8\x55" },
-+ { "a",
-+ "\xca\x97\x81\x12\xca\x1b\xbd\xca\xfa\xc2\x31\xb3\x9a\x23\xdc\x4d"
-+ "\xa7\x86\xef\xf8\x14\x7c\x4e\x72\xb9\x80\x77\x85\xaf\xee\x48\xbb" },
-+ { "message digest",
-+ "\xf7\x84\x6f\x55\xcf\x23\xe1\x4e\xeb\xea\xb5\xb4\xe1\x55\x0c\xad"
-+ "\x5b\x50\x9e\x33\x48\xfb\xc4\xef\xa3\xa1\x41\x3d\x39\x3c\xb6\x50" },
-+ { "abcdefghijklmnopqrstuvwxyz",
-+ "\x71\xc4\x80\xdf\x93\xd6\xae\x2f\x1e\xfa\xd1\x44\x7c\x66\xc9\x52"
-+ "\x5e\x31\x62\x18\xcf\x51\xfc\x8d\x9e\xd8\x32\xf2\xda\xf1\x8b\x73" },
-+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
-+ "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
-+ "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
-+ { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
-+ "\xdb\x4b\xfc\xbd\x4d\xa0\xcd\x85\xa6\x0c\x3c\x37\xd3\xfb\xd8\x80"
-+ "\x5c\x77\xf1\x5f\xc6\xb1\xfd\xfe\x61\x4e\xe0\xa7\xc8\xfd\xb4\xc0" },
-+ { "123456789012345678901234567890123456789012345678901234567890"
-+ "12345678901234567890",
-+ "\xf3\x71\xbc\x4a\x31\x1f\x2b\x00\x9e\xef\x95\x2d\xd8\x3c\xa8\x0e"
-+ "\x2b\x60\x02\x6c\x8e\x93\x55\x92\xd0\xf9\xc3\x08\x45\x3c\x81\x3e" }
-+ };
-+#define ntests (sizeof (tests) / sizeof (tests[0]))
-+
-+
-+static const struct
-+{
-+ const char *salt;
-+ const char *input;
-+ const char *expected;
-+} tests2[] =
-+{
-+ { "$5$saltstring", "Hello world!",
-+ "$5$saltstring$5B8vYYiY.CVt1RlTTf8KbXBH3hsxY/GNooZaBBGWEc5" },
-+ { "$5$rounds=10000$saltstringsaltstring", "Hello world!",
-+ "$5$rounds=10000$saltstringsaltst$3xv.VbSHBb41AL9AvLeujZkZRBAwqFMz2."
-+ "opqey6IcA" },
-+ { "$5$rounds=5000$toolongsaltstring", "This is just a test",
-+ "$5$rounds=5000$toolongsaltstrin$Un/5jzAHMgOGZ5.mWJpuVolil07guHPvOW8"
-+ "mGRcvxa5" },
-+ { "$5$rounds=1400$anotherlongsaltstring",
-+ "a very much longer text to encrypt. This one even stretches over more"
-+ "than one line.",
-+ "$5$rounds=1400$anotherlongsalts$Rx.j8H.h8HjEDGomFU8bDkXm3XIUnzyxf12"
-+ "oP84Bnq1" },
-+ { "$5$rounds=77777$short",
-+ "we have a short salt string but not a short password",
-+ "$5$rounds=77777$short$JiO1O3ZpDAxGJeaDIuqCoEFysAe1mZNJRs3pw0KQRd/" },
-+ { "$5$rounds=123456$asaltof16chars..", "a short string",
-+ "$5$rounds=123456$asaltof16chars..$gP3VQ/6X7UUEW3HkBn2w1/Ptq2jxPyzV/"
-+ "cZKmF/wJvD" },
-+ { "$5$rounds=10$roundstoolow", "the minimum number is still observed",
-+ "$5$rounds=1000$roundstoolow$yfvwcWrQ8l/K0DAWyuPMDNHpIVlTQebY9l/gL97"
-+ "2bIC" },
-+};
-+#define ntests2 (sizeof (tests2) / sizeof (tests2[0]))
-+
-+
-+int
-+sha256_test (void)
-+{
-+ struct sha256_ctx ctx;
-+ char sum[32];
-+ int result = 0;
-+ int cnt, i;
-+
-+ for (cnt = 0; cnt < (int) ntests; ++cnt)
-+ {
-+ sha256_init_ctx (&ctx);
-+ sha256_process_bytes (tests[cnt].input, strlen (tests[cnt].input), &ctx);
-+ sha256_finish_ctx (&ctx, sum);
-+ if (memcmp (tests[cnt].result, sum, 32) != 0)
-+ {
-+ printf ("test %d run %d failed\n", cnt, 1);
-+ result = 1;
-+ }
-+
-+ sha256_init_ctx (&ctx);
-+ for (i = 0; tests[cnt].input[i] != '\0'; ++i)
-+ sha256_process_bytes (&tests[cnt].input[i], 1, &ctx);
-+ sha256_finish_ctx (&ctx, sum);
-+ if (memcmp (tests[cnt].result, sum, 32) != 0)
-+ {
-+ printf ("test %d run %d failed\n", cnt, 2);
-+ result = 1;
-+ }
-+ }
-+
-+ /* Test vector from FIPS 180-2: appendix B.3. */
-+ char buf[1000];
-+ memset (buf, 'a', sizeof (buf));
-+ sha256_init_ctx (&ctx);
-+ for (i = 0; i < 1000; ++i)
-+ sha256_process_bytes (buf, sizeof (buf), &ctx);
-+ sha256_finish_ctx (&ctx, sum);
-+ static const char expected[32] =
-+ "\xcd\xc7\x6e\x5c\x99\x14\xfb\x92\x81\xa1\xc7\xe2\x84\xd7\x3e\x67"
-+ "\xf1\x80\x9a\x48\xa4\x97\x20\x0e\x04\x6d\x39\xcc\xc7\x11\x2c\xd0";
-+ if (memcmp (expected, sum, 32) != 0)
-+ {
-+ printf ("test %d failed\n", cnt);
-+ result = 1;
-+ }
-+
-+ for (cnt = 0; cnt < ntests2; ++cnt)
-+ {
-+ char *cp = sha256_crypt (tests2[cnt].input, tests2[cnt].salt);
-+
-+ if (strcmp (cp, tests2[cnt].expected) != 0)
-+ {
-+ printf ("test %d: expected \"%s\", got \"%s\"\n",
-+ cnt, tests2[cnt].expected, cp);
-+ result = 1;
-+ }
-+ }
-+
-+ if (result == 0)
-+ printf ("all tests OK\n");
-+
-+ return result;
-+}
-+#endif
-diff --git a/stage2/sha512crypt.c b/stage2/sha512crypt.c
-new file mode 100644
-index 0000000..ff6cd26
---- /dev/null
-+++ b/stage2/sha512crypt.c
-@@ -0,0 +1,795 @@
-+/* SHA512-based Unix crypt implementation.
-+ Released into the Public Domain by Ulrich Drepper <drepper(a)redhat.com>.
-+ Adapted for grub by Miloslav Trmac <mitr(a)redhat.com>. */
-+
-+#include <stdbool.h>
-+#include <stddef.h>
-+
-+#include <shared.h>
-+
-+typedef unsigned long long uint64_t;
-+typedef size_t uintptr_t;
-+#define alloca(SIZE) (__builtin_alloca (SIZE))
-+#define UINT64_C(X) X ## ULL
-+#define MIN(a, b) ((a) < (b) ? (a) : (b))
-+#define MAX(a, b) ((a) > (b) ? (a) : (b))
-+
-+/* Structure to save state of computation between the single steps. */
-+struct sha512_ctx
-+{
-+ uint64_t H[8];
-+
-+ uint64_t total[2];
-+ uint64_t buflen;
-+ char buffer[256]; /* NB: always correctly aligned for uint64_t. */
-+};
-+
-+
-+#if 1 /* __BYTE_ORDER == __LITTLE_ENDIAN */
-+# define SWAP(n) \
-+ (((n) << 56) \
-+ | (((n) & 0xff00) << 40) \
-+ | (((n) & 0xff0000) << 24) \
-+ | (((n) & 0xff000000) << 8) \
-+ | (((n) >> 8) & 0xff000000) \
-+ | (((n) >> 24) & 0xff0000) \
-+ | (((n) >> 40) & 0xff00) \
-+ | ((n) >> 56))
-+#else
-+# define SWAP(n) (n)
-+#endif
-+
-+
-+/* This array contains the bytes used to pad the buffer to the next
-+ 64-byte boundary. (FIPS 180-2:5.1.2) */
-+static const unsigned char fillbuf[128] = { 0x80, 0 /* , 0, 0, ... */ };
-+
-+
-+/* Constants for SHA512 from FIPS 180-2:4.2.3. */
-+static const uint64_t K[80] =
-+ {
-+ UINT64_C (0x428a2f98d728ae22), UINT64_C (0x7137449123ef65cd),
-+ UINT64_C (0xb5c0fbcfec4d3b2f), UINT64_C (0xe9b5dba58189dbbc),
-+ UINT64_C (0x3956c25bf348b538), UINT64_C (0x59f111f1b605d019),
-+ UINT64_C (0x923f82a4af194f9b), UINT64_C (0xab1c5ed5da6d8118),
-+ UINT64_C (0xd807aa98a3030242), UINT64_C (0x12835b0145706fbe),
-+ UINT64_C (0x243185be4ee4b28c), UINT64_C (0x550c7dc3d5ffb4e2),
-+ UINT64_C (0x72be5d74f27b896f), UINT64_C (0x80deb1fe3b1696b1),
-+ UINT64_C (0x9bdc06a725c71235), UINT64_C (0xc19bf174cf692694),
-+ UINT64_C (0xe49b69c19ef14ad2), UINT64_C (0xefbe4786384f25e3),
-+ UINT64_C (0x0fc19dc68b8cd5b5), UINT64_C (0x240ca1cc77ac9c65),
-+ UINT64_C (0x2de92c6f592b0275), UINT64_C (0x4a7484aa6ea6e483),
-+ UINT64_C (0x5cb0a9dcbd41fbd4), UINT64_C (0x76f988da831153b5),
-+ UINT64_C (0x983e5152ee66dfab), UINT64_C (0xa831c66d2db43210),
-+ UINT64_C (0xb00327c898fb213f), UINT64_C (0xbf597fc7beef0ee4),
-+ UINT64_C (0xc6e00bf33da88fc2), UINT64_C (0xd5a79147930aa725),
-+ UINT64_C (0x06ca6351e003826f), UINT64_C (0x142929670a0e6e70),
-+ UINT64_C (0x27b70a8546d22ffc), UINT64_C (0x2e1b21385c26c926),
-+ UINT64_C (0x4d2c6dfc5ac42aed), UINT64_C (0x53380d139d95b3df),
-+ UINT64_C (0x650a73548baf63de), UINT64_C (0x766a0abb3c77b2a8),
-+ UINT64_C (0x81c2c92e47edaee6), UINT64_C (0x92722c851482353b),
-+ UINT64_C (0xa2bfe8a14cf10364), UINT64_C (0xa81a664bbc423001),
-+ UINT64_C (0xc24b8b70d0f89791), UINT64_C (0xc76c51a30654be30),
-+ UINT64_C (0xd192e819d6ef5218), UINT64_C (0xd69906245565a910),
-+ UINT64_C (0xf40e35855771202a), UINT64_C (0x106aa07032bbd1b8),
-+ UINT64_C (0x19a4c116b8d2d0c8), UINT64_C (0x1e376c085141ab53),
-+ UINT64_C (0x2748774cdf8eeb99), UINT64_C (0x34b0bcb5e19b48a8),
-+ UINT64_C (0x391c0cb3c5c95a63), UINT64_C (0x4ed8aa4ae3418acb),
-+ UINT64_C (0x5b9cca4f7763e373), UINT64_C (0x682e6ff3d6b2b8a3),
-+ UINT64_C (0x748f82ee5defb2fc), UINT64_C (0x78a5636f43172f60),
-+ UINT64_C (0x84c87814a1f0ab72), UINT64_C (0x8cc702081a6439ec),
-+ UINT64_C (0x90befffa23631e28), UINT64_C (0xa4506cebde82bde9),
-+ UINT64_C (0xbef9a3f7b2c67915), UINT64_C (0xc67178f2e372532b),
-+ UINT64_C (0xca273eceea26619c), UINT64_C (0xd186b8c721c0c207),
-+ UINT64_C (0xeada7dd6cde0eb1e), UINT64_C (0xf57d4f7fee6ed178),
-+ UINT64_C (0x06f067aa72176fba), UINT64_C (0x0a637dc5a2c898a6),
-+ UINT64_C (0x113f9804bef90dae), UINT64_C (0x1b710b35131c471b),
-+ UINT64_C (0x28db77f523047d84), UINT64_C (0x32caab7b40c72493),
-+ UINT64_C (0x3c9ebe0a15c9bebc), UINT64_C (0x431d67c49c100d4c),
-+ UINT64_C (0x4cc5d4becb3e42b6), UINT64_C (0x597f299cfc657e2a),
-+ UINT64_C (0x5fcb6fab3ad6faec), UINT64_C (0x6c44198c4a475817)
-+ };
-+
-+
-+/* Process LEN bytes of BUFFER, accumulating context into CTX.
-+ It is assumed that LEN % 128 == 0. */
-+static void
-+sha512_process_block (const void *buffer, size_t len, struct sha512_ctx *ctx)
-+{
-+ const uint64_t *words = buffer;
-+ size_t nwords = len / sizeof (uint64_t);
-+ uint64_t a = ctx->H[0];
-+ uint64_t b = ctx->H[1];
-+ uint64_t c = ctx->H[2];
-+ uint64_t d = ctx->H[3];
-+ uint64_t e = ctx->H[4];
-+ uint64_t f = ctx->H[5];
-+ uint64_t g = ctx->H[6];
-+ uint64_t h = ctx->H[7];
-+
-+ /* First increment the byte count. FIPS 180-2 specifies the possible
-+ length of the file up to 2^128 bits. Here we only compute the
-+ number of bytes. Do a double word increment. */
-+ ctx->total[0] += len;
-+ if (ctx->total[0] < len)
-+ ++ctx->total[1];
-+
-+ /* Process all bytes in the buffer with 128 bytes in each round of
-+ the loop. */
-+ while (nwords > 0)
-+ {
-+ uint64_t W[80];
-+ uint64_t a_save = a;
-+ uint64_t b_save = b;
-+ uint64_t c_save = c;
-+ uint64_t d_save = d;
-+ uint64_t e_save = e;
-+ uint64_t f_save = f;
-+ uint64_t g_save = g;
-+ uint64_t h_save = h;
-+ unsigned int t;
-+
-+ /* Operators defined in FIPS 180-2:4.1.2. */
-+#define Ch(x, y, z) ((x & y) ^ (~x & z))
-+#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-+#define S0(x) (CYCLIC (x, 28) ^ CYCLIC (x, 34) ^ CYCLIC (x, 39))
-+#define S1(x) (CYCLIC (x, 14) ^ CYCLIC (x, 18) ^ CYCLIC (x, 41))
-+#define R0(x) (CYCLIC (x, 1) ^ CYCLIC (x, 8) ^ (x >> 7))
-+#define R1(x) (CYCLIC (x, 19) ^ CYCLIC (x, 61) ^ (x >> 6))
-+
-+ /* It is unfortunate that C does not provide an operator for
-+ cyclic rotation. Hope the C compiler is smart enough. */
-+#define CYCLIC(w, s) ((w >> s) | (w << (64 - s)))
-+
-+ /* Compute the message schedule according to FIPS 180-2:6.3.2 step 2. */
-+ for (t = 0; t < 16; ++t)
-+ {
-+ W[t] = SWAP (*words);
-+ ++words;
-+ }
-+ for (t = 16; t < 80; ++t)
-+ W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16];
-+
-+ /* The actual computation according to FIPS 180-2:6.3.2 step 3. */
-+ for (t = 0; t < 80; ++t)
-+ {
-+ uint64_t T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t];
-+ uint64_t T2 = S0 (a) + Maj (a, b, c);
-+ h = g;
-+ g = f;
-+ f = e;
-+ e = d + T1;
-+ d = c;
-+ c = b;
-+ b = a;
-+ a = T1 + T2;
-+ }
-+
-+ /* Add the starting values of the context according to FIPS 180-2:6.3.2
-+ step 4. */
-+ a += a_save;
-+ b += b_save;
-+ c += c_save;
-+ d += d_save;
-+ e += e_save;
-+ f += f_save;
-+ g += g_save;
-+ h += h_save;
-+
-+ /* Prepare for the next round. */
-+ nwords -= 16;
-+ }
-+
-+ /* Put checksum in context given as argument. */
-+ ctx->H[0] = a;
-+ ctx->H[1] = b;
-+ ctx->H[2] = c;
-+ ctx->H[3] = d;
-+ ctx->H[4] = e;
-+ ctx->H[5] = f;
-+ ctx->H[6] = g;
-+ ctx->H[7] = h;
-+}
-+
-+
-+/* Initialize structure containing state of computation.
-+ (FIPS 180-2:5.3.3) */
-+static void
-+sha512_init_ctx (struct sha512_ctx *ctx)
-+{
-+ ctx->H[0] = UINT64_C (0x6a09e667f3bcc908);
-+ ctx->H[1] = UINT64_C (0xbb67ae8584caa73b);
-+ ctx->H[2] = UINT64_C (0x3c6ef372fe94f82b);
-+ ctx->H[3] = UINT64_C (0xa54ff53a5f1d36f1);
-+ ctx->H[4] = UINT64_C (0x510e527fade682d1);
-+ ctx->H[5] = UINT64_C (0x9b05688c2b3e6c1f);
-+ ctx->H[6] = UINT64_C (0x1f83d9abfb41bd6b);
-+ ctx->H[7] = UINT64_C (0x5be0cd19137e2179);
-+
-+ ctx->total[0] = ctx->total[1] = 0;
-+ ctx->buflen = 0;
-+}
-+
-+
-+/* Process the remaining bytes in the internal buffer and the usual
-+ prolog according to the standard and write the result to RESBUF.
-+
-+ IMPORTANT: On some systems it is required that RESBUF is correctly
-+ aligned for a 32 bits value. */
-+static void *
-+sha512_finish_ctx (struct sha512_ctx *ctx, void *resbuf)
-+{
-+ /* Take yet unprocessed bytes into account. */
-+ uint64_t bytes = ctx->buflen;
-+ size_t pad;
-+ unsigned int i;
-+
-+ /* Now count remaining bytes. */
-+ ctx->total[0] += bytes;
-+ if (ctx->total[0] < bytes)
-+ ++ctx->total[1];
-+
-+ pad = bytes >= 112 ? 128 + 112 - bytes : 112 - bytes;
-+ memcpy (&ctx->buffer[bytes], fillbuf, pad);
-+
-+ /* Put the 128-bit file length in *bits* at the end of the buffer. */
-+ *(uint64_t *) &ctx->buffer[bytes + pad + 8] = SWAP (ctx->total[0] << 3);
-+ *(uint64_t *) &ctx->buffer[bytes + pad] = SWAP ((ctx->total[1] << 3) |
-+ (ctx->total[0] >> 61));
-+
-+ /* Process last bytes. */
-+ sha512_process_block (ctx->buffer, bytes + pad + 16, ctx);
-+
-+ /* Put result from CTX in first 64 bytes following RESBUF. */
-+ for (i = 0; i < 8; ++i)
-+ ((uint64_t *) resbuf)[i] = SWAP (ctx->H[i]);
-+
-+ return resbuf;
-+}
-+
-+
-+static void
-+sha512_process_bytes (const void *buffer, size_t len, struct sha512_ctx *ctx)
-+{
-+ /* When we already have some bits in our internal buffer concatenate
-+ both inputs first. */
-+ if (ctx->buflen != 0)
-+ {
-+ size_t left_over = ctx->buflen;
-+ size_t add = 256 - left_over > len ? len : 256 - left_over;
-+
-+ memcpy (&ctx->buffer[left_over], buffer, add);
-+ ctx->buflen += add;
-+
-+ if (ctx->buflen > 128)
-+ {
-+ sha512_process_block (ctx->buffer, ctx->buflen & ~127, ctx);
-+
-+ ctx->buflen &= 127;
-+ /* The regions in the following copy operation cannot overlap. */
-+ memcpy (ctx->buffer, &ctx->buffer[(left_over + add) & ~127],
-+ ctx->buflen);
-+ }
-+
-+ buffer = (const char *) buffer + add;
-+ len -= add;
-+ }
-+
-+ /* Process available complete blocks. */
-+ if (len >= 128)
-+ {
-+/* To check alignment gcc has an appropriate operator. Other
-+ compilers don't. */
-+# if __GNUC__ >= 2
-+# define UNALIGNED_P(p) (((uintptr_t) p) % __alignof__ (uint64_t) != 0)
-+# else
-+# define UNALIGNED_P(p) (((uintptr_t) p) % sizeof (uint64_t) != 0)
-+# endif
-+ if (UNALIGNED_P (buffer))
-+ while (len > 128)
-+ {
-+ sha512_process_block (memcpy (ctx->buffer, buffer, 128), 128,
-+ ctx);
-+ buffer = (const char *) buffer + 128;
-+ len -= 128;
-+ }
-+ else
-+ {
-+ sha512_process_block (buffer, len & ~127, ctx);
-+ buffer = (const char *) buffer + (len & ~127);
-+ len &= 127;
-+ }
-+ }
-+
-+ /* Move remaining bytes into internal buffer. */
-+ if (len > 0)
-+ {
-+ size_t left_over = ctx->buflen;
-+
-+ memcpy (&ctx->buffer[left_over], buffer, len);
-+ left_over += len;
-+ if (left_over >= 128)
-+ {
-+ sha512_process_block (ctx->buffer, 128, ctx);
-+ left_over -= 128;
-+ memcpy (ctx->buffer, &ctx->buffer[128], left_over);
-+ }
-+ ctx->buflen = left_over;
-+ }
-+}
-+
-+
-+/* Define our magic string to mark salt for SHA512 "encryption"
-+ replacement. */
-+static const char sha512_salt_prefix[] = "$6$";
-+
-+/* Prefix for optional rounds specification. */
-+static const char sha512_rounds_prefix[] = "rounds=";
-+
-+/* Maximum salt string length. */
-+#define SALT_LEN_MAX 16
-+/* Default number of rounds if not explicitly specified. */
-+#define ROUNDS_DEFAULT 5000
-+/* Minimum number of rounds. */
-+#define ROUNDS_MIN 1000
-+/* Maximum number of rounds. */
-+#define ROUNDS_MAX 999999999
-+
-+/* Table with characters for base64 transformation. */
-+static const char b64t[64] =
-+"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-+
-+
-+static char *
-+sha512_crypt_r (const char *key, const char *salt, char *buffer, int buflen)
-+{
-+ unsigned char alt_result[64]
-+ __attribute__ ((__aligned__ (__alignof__ (uint64_t))));
-+ unsigned char temp_result[64]
-+ __attribute__ ((__aligned__ (__alignof__ (uint64_t))));
-+ struct sha512_ctx ctx;
-+ struct sha512_ctx alt_ctx;
-+ size_t salt_len;
-+ size_t key_len;
-+ size_t cnt;
-+ char *cp;
-+ char *copied_key = NULL;
-+ char *copied_salt = NULL;
-+ char *p_bytes;
-+ char *s_bytes;
-+ /* Default number of rounds. */
-+ size_t rounds = ROUNDS_DEFAULT;
-+ bool rounds_custom = false;
-+
-+ /* Find beginning of salt string. The prefix should normally always
-+ be present. Just in case it is not. */
-+ if (grub_memcmp (sha512_salt_prefix, salt,
-+ sizeof (sha512_salt_prefix) - 1) == 0)
-+ /* Skip salt prefix. */
-+ salt += sizeof (sha512_salt_prefix) - 1;
-+
-+ if (grub_memcmp (salt, sha512_rounds_prefix,
-+ sizeof (sha512_rounds_prefix) - 1) == 0)
-+ {
-+ const char *num = salt + sizeof (sha512_rounds_prefix) - 1;
-+ char *endp = (char *)num;
-+ int srounds = 0;
-+ if (*endp == '0' && tolower (endp[1]) == 'x')
-+ /* This would be interpreted as hexadecimal by safe_parse_maxint(). */
-+ endp++;
-+ else
-+ /* On error, endp and srounds is not changed. */
-+ safe_parse_maxint(&endp, &srounds);
-+ if (*endp == '$')
-+ {
-+ salt = endp + 1;
-+ rounds = MAX (ROUNDS_MIN, MIN (srounds, ROUNDS_MAX));
-+ rounds_custom = true;
-+ }
-+ }
-+
-+ salt_len = MIN (strcspn (salt, "$"), SALT_LEN_MAX);
-+ key_len = strlen (key);
-+
-+ if ((key - (char *) 0) % __alignof__ (uint64_t) != 0)
-+ {
-+ char *tmp = (char *) alloca (key_len + __alignof__ (uint64_t));
-+ key = copied_key =
-+ memcpy (tmp + __alignof__ (uint64_t)
-+ - (tmp - (char *) 0) % __alignof__ (uint64_t),
-+ key, key_len);
-+ }
-+
-+ if ((salt - (char *) 0) % __alignof__ (uint64_t) != 0)
-+ {
-+ char *tmp = (char *) alloca (salt_len + __alignof__ (uint64_t));
-+ salt = copied_salt =
-+ memcpy (tmp + __alignof__ (uint64_t)
-+ - (tmp - (char *) 0) % __alignof__ (uint64_t),
-+ salt, salt_len);
-+ }
-+
-+ /* Prepare for the real work. */
-+ sha512_init_ctx (&ctx);
-+
-+ /* Add the key string. */
-+ sha512_process_bytes (key, key_len, &ctx);
-+
-+ /* The last part is the salt string. This must be at most 16
-+ characters and it ends at the first `$' character (for
-+ compatibility with existing implementations). */
-+ sha512_process_bytes (salt, salt_len, &ctx);
-+
-+
-+ /* Compute alternate SHA512 sum with input KEY, SALT, and KEY. The
-+ final result will be added to the first context. */
-+ sha512_init_ctx (&alt_ctx);
-+
-+ /* Add key. */
-+ sha512_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Add salt. */
-+ sha512_process_bytes (salt, salt_len, &alt_ctx);
-+
-+ /* Add key again. */
-+ sha512_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Now get result of this (64 bytes) and add it to the other
-+ context. */
-+ sha512_finish_ctx (&alt_ctx, alt_result);
-+
-+ /* Add for any character in the key one byte of the alternate sum. */
-+ for (cnt = key_len; cnt > 64; cnt -= 64)
-+ sha512_process_bytes (alt_result, 64, &ctx);
-+ sha512_process_bytes (alt_result, cnt, &ctx);
-+
-+ /* Take the binary representation of the length of the key and for every
-+ 1 add the alternate sum, for every 0 the key. */
-+ for (cnt = key_len; cnt > 0; cnt >>= 1)
-+ if ((cnt & 1) != 0)
-+ sha512_process_bytes (alt_result, 64, &ctx);
-+ else
-+ sha512_process_bytes (key, key_len, &ctx);
-+
-+ /* Create intermediate result. */
-+ sha512_finish_ctx (&ctx, alt_result);
-+
-+ /* Start computation of P byte sequence. */
-+ sha512_init_ctx (&alt_ctx);
-+
-+ /* For every character in the password add the entire password. */
-+ for (cnt = 0; cnt < key_len; ++cnt)
-+ sha512_process_bytes (key, key_len, &alt_ctx);
-+
-+ /* Finish the digest. */
-+ sha512_finish_ctx (&alt_ctx, temp_result);
-+
-+ /* Create byte sequence P. */
-+ cp = p_bytes = alloca (key_len);
-+ for (cnt = key_len; cnt >= 64; cnt -= 64)
-+ {
-+ memcpy (cp, temp_result, 64);
-+ cp += 64;
-+ }
-+ memcpy (cp, temp_result, cnt);
-+
-+ /* Start computation of S byte sequence. */
-+ sha512_init_ctx (&alt_ctx);
-+
-+ /* For every character in the password add the entire password. */
-+ for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt)
-+ sha512_process_bytes (salt, salt_len, &alt_ctx);
-+
-+ /* Finish the digest. */
-+ sha512_finish_ctx (&alt_ctx, temp_result);
-+
-+ /* Create byte sequence S. */
-+ cp = s_bytes = alloca (salt_len);
-+ for (cnt = salt_len; cnt >= 64; cnt -= 64)
-+ {
-+ memcpy (cp, temp_result, 64);
-+ cp += 64;
-+ }
-+ memcpy (cp, temp_result, cnt);
-+
-+ /* Repeatedly run the collected hash value through SHA512 to burn
-+ CPU cycles. */
-+ for (cnt = 0; cnt < rounds; ++cnt)
-+ {
-+ /* New context. */
-+ sha512_init_ctx (&ctx);
-+
-+ /* Add key or last result. */
-+ if ((cnt & 1) != 0)
-+ sha512_process_bytes (p_bytes, key_len, &ctx);
-+ else
-+ sha512_process_bytes (alt_result, 64, &ctx);
-+
-+ /* Add salt for numbers not divisible by 3. */
-+ if (cnt % 3 != 0)
-+ sha512_process_bytes (s_bytes, salt_len, &ctx);
-+
-+ /* Add key for numbers not divisible by 7. */
-+ if (cnt % 7 != 0)
-+ sha512_process_bytes (p_bytes, key_len, &ctx);
-+
-+ /* Add key or last result. */
-+ if ((cnt & 1) != 0)
-+ sha512_process_bytes (alt_result, 64, &ctx);
-+ else
-+ sha512_process_bytes (p_bytes, key_len, &ctx);
-+
-+ /* Create intermediate result. */
-+ sha512_finish_ctx (&ctx, alt_result);
-+ }
-+
-+ /* Now we can construct the result string. It consists of three
-+ parts. */
-+ cp = stpncpy (buffer, sha512_salt_prefix, MAX (0, buflen));
-+ buflen -= sizeof (sha512_salt_prefix) - 1;
-+
-+ if (rounds_custom)
-+ {
-+ char sbuf[64];
-+ grub_sprintf (sbuf, "%s%llu$", sha512_rounds_prefix,
-+ (unsigned long long)rounds);
-+ size_t n = strlen (sbuf);
-+ memcpy (cp, sbuf, MIN (MAX (0, buflen), n));
-+ cp += n;
-+ buflen -= n;
-+ }
-+
-+ cp = stpncpy (cp, salt, MIN ((size_t) MAX (0, buflen), salt_len));
-+ buflen -= MIN ((size_t) MAX (0, buflen), salt_len);
-+
-+ if (buflen > 0)
-+ {
-+ *cp++ = '$';
-+ --buflen;
-+ }
-+
-+#define b64_from_24bit(B2, B1, B0, N) \
-+ do { \
-+ unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
-+ int n = (N); \
-+ while (n-- > 0 && buflen > 0) \
-+ { \
-+ *cp++ = b64t[w & 0x3f]; \
-+ --buflen; \
-+ w >>= 6; \
-+ } \
-+ } while (0)
-+
-+ b64_from_24bit (alt_result[0], alt_result[21], alt_result[42], 4);
-+ b64_from_24bit (alt_result[22], alt_result[43], alt_result[1], 4);
-+ b64_from_24bit (alt_result[44], alt_result[2], alt_result[23], 4);
-+ b64_from_24bit (alt_result[3], alt_result[24], alt_result[45], 4);
-+ b64_from_24bit (alt_result[25], alt_result[46], alt_result[4], 4);
-+ b64_from_24bit (alt_result[47], alt_result[5], alt_result[26], 4);
-+ b64_from_24bit (alt_result[6], alt_result[27], alt_result[48], 4);
-+ b64_from_24bit (alt_result[28], alt_result[49], alt_result[7], 4);
-+ b64_from_24bit (alt_result[50], alt_result[8], alt_result[29], 4);
-+ b64_from_24bit (alt_result[9], alt_result[30], alt_result[51], 4);
-+ b64_from_24bit (alt_result[31], alt_result[52], alt_result[10], 4);
-+ b64_from_24bit (alt_result[53], alt_result[11], alt_result[32], 4);
-+ b64_from_24bit (alt_result[12], alt_result[33], alt_result[54], 4);
-+ b64_from_24bit (alt_result[34], alt_result[55], alt_result[13], 4);
-+ b64_from_24bit (alt_result[56], alt_result[14], alt_result[35], 4);
-+ b64_from_24bit (alt_result[15], alt_result[36], alt_result[57], 4);
-+ b64_from_24bit (alt_result[37], alt_result[58], alt_result[16], 4);
-+ b64_from_24bit (alt_result[59], alt_result[17], alt_result[38], 4);
-+ b64_from_24bit (alt_result[18], alt_result[39], alt_result[60], 4);
-+ b64_from_24bit (alt_result[40], alt_result[61], alt_result[19], 4);
-+ b64_from_24bit (alt_result[62], alt_result[20], alt_result[41], 4);
-+ b64_from_24bit (0, 0, alt_result[63], 2);
-+
-+ if (buflen <= 0)
-+ buffer = NULL;
-+ else
-+ *cp = '\0'; /* Terminate the string. */
-+
-+ /* Clear the buffer for the intermediate result so that people
-+ attaching to processes or reading core dumps cannot get any
-+ information. We do it in this way to clear correct_words[]
-+ inside the SHA512 implementation as well. */
-+ sha512_init_ctx (&ctx);
-+ sha512_finish_ctx (&ctx, alt_result);
-+ memset (temp_result, '\0', sizeof (temp_result));
-+ memset (p_bytes, '\0', key_len);
-+ memset (s_bytes, '\0', salt_len);
-+ memset (&ctx, '\0', sizeof (ctx));
-+ memset (&alt_ctx, '\0', sizeof (alt_ctx));
-+ if (copied_key != NULL)
-+ memset (copied_key, '\0', key_len);
-+ if (copied_salt != NULL)
-+ memset (copied_salt, '\0', salt_len);
-+
-+ return buffer;
-+}
-+
-+
-+/* This entry point is equivalent to the `crypt' function in Unix
-+ libcs. */
-+char *
-+sha512_crypt (const char *key, const char *salt)
-+{
-+ /* We don't want to have an arbitrary limit in the size of the
-+ password. We can compute an upper bound for the size of the
-+ result in advance and so we can prepare the buffer we pass to
-+ `sha512_crypt_r'. */
-+ static char buffer[sizeof (sha512_salt_prefix) - 1
-+ + sizeof (sha512_rounds_prefix) + 9 + 1
-+ + 256 + 1 + 86 + 1]; /* 256 bytes for salt */
-+ int needed = (sizeof (sha512_salt_prefix) - 1
-+ + sizeof (sha512_rounds_prefix) + 9 + 1
-+ + strlen (salt) + 1 + 86 + 1);
-+
-+ if (sizeof (buffer) < needed)
-+ return NULL;
-+
-+ return sha512_crypt_r (key, salt, buffer, sizeof (buffer));
-+}
-+
-+
-+#ifdef TEST
-+static const struct
-+{
-+ const char *input;
-+ const char result[64];
-+} tests[] =
-+ {
-+ /* Test vectors from FIPS 180-2: appendix C.1. */
-+ { "abc",
-+ "\xdd\xaf\x35\xa1\x93\x61\x7a\xba\xcc\x41\x73\x49\xae\x20\x41\x31"
-+ "\x12\xe6\xfa\x4e\x89\xa9\x7e\xa2\x0a\x9e\xee\xe6\x4b\x55\xd3\x9a"
-+ "\x21\x92\x99\x2a\x27\x4f\xc1\xa8\x36\xba\x3c\x23\xa3\xfe\xeb\xbd"
-+ "\x45\x4d\x44\x23\x64\x3c\xe8\x0e\x2a\x9a\xc9\x4f\xa5\x4c\xa4\x9f" },
-+ /* Test vectors from FIPS 180-2: appendix C.2. */
-+ { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
-+ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
-+ "\x8e\x95\x9b\x75\xda\xe3\x13\xda\x8c\xf4\xf7\x28\x14\xfc\x14\x3f"
-+ "\x8f\x77\x79\xc6\xeb\x9f\x7f\xa1\x72\x99\xae\xad\xb6\x88\x90\x18"
-+ "\x50\x1d\x28\x9e\x49\x00\xf7\xe4\x33\x1b\x99\xde\xc4\xb5\x43\x3a"
-+ "\xc7\xd3\x29\xee\xb6\xdd\x26\x54\x5e\x96\xe5\x5b\x87\x4b\xe9\x09" },
-+ /* Test vectors from the NESSIE project. */
-+ { "",
-+ "\xcf\x83\xe1\x35\x7e\xef\xb8\xbd\xf1\x54\x28\x50\xd6\x6d\x80\x07"
-+ "\xd6\x20\xe4\x05\x0b\x57\x15\xdc\x83\xf4\xa9\x21\xd3\x6c\xe9\xce"
-+ "\x47\xd0\xd1\x3c\x5d\x85\xf2\xb0\xff\x83\x18\xd2\x87\x7e\xec\x2f"
-+ "\x63\xb9\x31\xbd\x47\x41\x7a\x81\xa5\x38\x32\x7a\xf9\x27\xda\x3e" },
-+ { "a",
-+ "\x1f\x40\xfc\x92\xda\x24\x16\x94\x75\x09\x79\xee\x6c\xf5\x82\xf2"
-+ "\xd5\xd7\xd2\x8e\x18\x33\x5d\xe0\x5a\xbc\x54\xd0\x56\x0e\x0f\x53"
-+ "\x02\x86\x0c\x65\x2b\xf0\x8d\x56\x02\x52\xaa\x5e\x74\x21\x05\x46"
-+ "\xf3\x69\xfb\xbb\xce\x8c\x12\xcf\xc7\x95\x7b\x26\x52\xfe\x9a\x75" },
-+ { "message digest",
-+ "\x10\x7d\xbf\x38\x9d\x9e\x9f\x71\xa3\xa9\x5f\x6c\x05\x5b\x92\x51"
-+ "\xbc\x52\x68\xc2\xbe\x16\xd6\xc1\x34\x92\xea\x45\xb0\x19\x9f\x33"
-+ "\x09\xe1\x64\x55\xab\x1e\x96\x11\x8e\x8a\x90\x5d\x55\x97\xb7\x20"
-+ "\x38\xdd\xb3\x72\xa8\x98\x26\x04\x6d\xe6\x66\x87\xbb\x42\x0e\x7c" },
-+ { "abcdefghijklmnopqrstuvwxyz",
-+ "\x4d\xbf\xf8\x6c\xc2\xca\x1b\xae\x1e\x16\x46\x8a\x05\xcb\x98\x81"
-+ "\xc9\x7f\x17\x53\xbc\xe3\x61\x90\x34\x89\x8f\xaa\x1a\xab\xe4\x29"
-+ "\x95\x5a\x1b\xf8\xec\x48\x3d\x74\x21\xfe\x3c\x16\x46\x61\x3a\x59"
-+ "\xed\x54\x41\xfb\x0f\x32\x13\x89\xf7\x7f\x48\xa8\x79\xc7\xb1\xf1" },
-+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
-+ "\x20\x4a\x8f\xc6\xdd\xa8\x2f\x0a\x0c\xed\x7b\xeb\x8e\x08\xa4\x16"
-+ "\x57\xc1\x6e\xf4\x68\xb2\x28\xa8\x27\x9b\xe3\x31\xa7\x03\xc3\x35"
-+ "\x96\xfd\x15\xc1\x3b\x1b\x07\xf9\xaa\x1d\x3b\xea\x57\x78\x9c\xa0"
-+ "\x31\xad\x85\xc7\xa7\x1d\xd7\x03\x54\xec\x63\x12\x38\xca\x34\x45" },
-+ { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
-+ "\x1e\x07\xbe\x23\xc2\x6a\x86\xea\x37\xea\x81\x0c\x8e\xc7\x80\x93"
-+ "\x52\x51\x5a\x97\x0e\x92\x53\xc2\x6f\x53\x6c\xfc\x7a\x99\x96\xc4"
-+ "\x5c\x83\x70\x58\x3e\x0a\x78\xfa\x4a\x90\x04\x1d\x71\xa4\xce\xab"
-+ "\x74\x23\xf1\x9c\x71\xb9\xd5\xa3\xe0\x12\x49\xf0\xbe\xbd\x58\x94" },
-+ { "123456789012345678901234567890123456789012345678901234567890"
-+ "12345678901234567890",
-+ "\x72\xec\x1e\xf1\x12\x4a\x45\xb0\x47\xe8\xb7\xc7\x5a\x93\x21\x95"
-+ "\x13\x5b\xb6\x1d\xe2\x4e\xc0\xd1\x91\x40\x42\x24\x6e\x0a\xec\x3a"
-+ "\x23\x54\xe0\x93\xd7\x6f\x30\x48\xb4\x56\x76\x43\x46\x90\x0c\xb1"
-+ "\x30\xd2\xa4\xfd\x5d\xd1\x6a\xbb\x5e\x30\xbc\xb8\x50\xde\xe8\x43" }
-+ };
-+#define ntests (sizeof (tests) / sizeof (tests[0]))
-+
-+
-+static const struct
-+{
-+ const char *salt;
-+ const char *input;
-+ const char *expected;
-+} tests2[] =
-+{
-+ { "$6$saltstring", "Hello world!",
-+ "$6$saltstring$svn8UoSVapNtMuq1ukKS4tPQd8iKwSMHWjl/O817G3uBnIFNjnQJu"
-+ "esI68u4OTLiBFdcbYEdFCoEOfaS35inz1" },
-+ { "$6$rounds=10000$saltstringsaltstring", "Hello world!",
-+ "$6$rounds=10000$saltstringsaltst$OW1/O6BYHV6BcXZu8QVeXbDWra3Oeqh0sb"
-+ "HbbMCVNSnCM/UrjmM0Dp8vOuZeHBy/YTBmSK6H9qs/y3RnOaw5v." },
-+ { "$6$rounds=5000$toolongsaltstring", "This is just a test",
-+ "$6$rounds=5000$toolongsaltstrin$lQ8jolhgVRVhY4b5pZKaysCLi0QBxGoNeKQ"
-+ "zQ3glMhwllF7oGDZxUhx1yxdYcz/e1JSbq3y6JMxxl8audkUEm0" },
-+ { "$6$rounds=1400$anotherlongsaltstring",
-+ "a very much longer text to encrypt. This one even stretches over more"
-+ "than one line.",
-+ "$6$rounds=1400$anotherlongsalts$POfYwTEok97VWcjxIiSOjiykti.o/pQs.wP"
-+ "vMxQ6Fm7I6IoYN3CmLs66x9t0oSwbtEW7o7UmJEiDwGqd8p4ur1" },
-+ { "$6$rounds=77777$short",
-+ "we have a short salt string but not a short password",
-+ "$6$rounds=77777$short$WuQyW2YR.hBNpjjRhpYD/ifIw05xdfeEyQoMxIXbkvr0g"
-+ "ge1a1x3yRULJ5CCaUeOxFmtlcGZelFl5CxtgfiAc0" },
-+ { "$6$rounds=123456$asaltof16chars..", "a short string",
-+ "$6$rounds=123456$asaltof16chars..$BtCwjqMJGx5hrJhZywWvt0RLE8uZ4oPwc"
-+ "elCjmw2kSYu.Ec6ycULevoBK25fs2xXgMNrCzIMVcgEJAstJeonj1" },
-+ { "$6$rounds=10$roundstoolow", "the minimum number is still observed",
-+ "$6$rounds=1000$roundstoolow$kUMsbe306n21p9R.FRkW3IGn.S9NPN0x50YhH1x"
-+ "hLsPuWGsUSklZt58jaTfF4ZEQpyUNGc0dqbpBYYBaHHrsX." },
-+};
-+#define ntests2 (sizeof (tests2) / sizeof (tests2[0]))
-+
-+
-+int
-+sha512_test (void)
-+{
-+ struct sha512_ctx ctx;
-+ char sum[64];
-+ int result = 0;
-+ int cnt, i;
-+
-+ for (cnt = 0; cnt < (int) ntests; ++cnt)
-+ {
-+ sha512_init_ctx (&ctx);
-+ sha512_process_bytes (tests[cnt].input, strlen (tests[cnt].input), &ctx);
-+ sha512_finish_ctx (&ctx, sum);
-+ if (memcmp (tests[cnt].result, sum, 64) != 0)
-+ {
-+ printf ("test %d run %d failed\n", cnt, 1);
-+ result = 1;
-+ }
-+
-+ sha512_init_ctx (&ctx);
-+ for (i = 0; tests[cnt].input[i] != '\0'; ++i)
-+ sha512_process_bytes (&tests[cnt].input[i], 1, &ctx);
-+ sha512_finish_ctx (&ctx, sum);
-+ if (memcmp (tests[cnt].result, sum, 64) != 0)
-+ {
-+ printf ("test %d run %d failed\n", cnt, 2);
-+ result = 1;
-+ }
-+ }
-+
-+ /* Test vector from FIPS 180-2: appendix C.3. */
-+ char buf[1000];
-+ memset (buf, 'a', sizeof (buf));
-+ sha512_init_ctx (&ctx);
-+ for (i = 0; i < 1000; ++i)
-+ sha512_process_bytes (buf, sizeof (buf), &ctx);
-+ sha512_finish_ctx (&ctx, sum);
-+ static const char expected[64] =
-+ "\xe7\x18\x48\x3d\x0c\xe7\x69\x64\x4e\x2e\x42\xc7\xbc\x15\xb4\x63"
-+ "\x8e\x1f\x98\xb1\x3b\x20\x44\x28\x56\x32\xa8\x03\xaf\xa9\x73\xeb"
-+ "\xde\x0f\xf2\x44\x87\x7e\xa6\x0a\x4c\xb0\x43\x2c\xe5\x77\xc3\x1b"
-+ "\xeb\x00\x9c\x5c\x2c\x49\xaa\x2e\x4e\xad\xb2\x17\xad\x8c\xc0\x9b";
-+ if (memcmp (expected, sum, 64) != 0)
-+ {
-+ printf ("test %d failed\n", cnt);
-+ result = 1;
-+ }
-+
-+ for (cnt = 0; cnt < ntests2; ++cnt)
-+ {
-+ char *cp = sha512_crypt (tests2[cnt].input, tests2[cnt].salt);
-+
-+ if (strcmp (cp, tests2[cnt].expected) != 0)
-+ {
-+ printf ("test %d: expected \"%s\", got \"%s\"\n",
-+ cnt, tests2[cnt].expected, cp);
-+ result = 1;
-+ }
-+ }
-+
-+ if (result == 0)
-+ printf ("all tests OK\n");
-+
-+ return result;
-+}
-+#endif
-diff --git a/stage2/shared.h b/stage2/shared.h
-index 77eef11..b56b44b 100644
---- a/stage2/shared.h
-+++ b/stage2/shared.h
-@@ -35,9 +35,10 @@
- #endif
-
- /* Maybe redirect memory requests through grub_scratch_mem. */
--#ifdef GRUB_UTIL
--extern char *grub_scratch_mem;
--# define RAW_ADDR(x) ((x) + (int) grub_scratch_mem)
-+#if defined(GRUB_UTIL) || defined(PLATFORM_EFI)
-+#define GRUB_SCRATCH_MEM_SIZE 0x400000
-+extern void *grub_scratch_mem;
-+# define RAW_ADDR(x) ((x) + (unsigned long) grub_scratch_mem)
- # define RAW_SEG(x) (RAW_ADDR ((x) << 4) >> 4)
- #else
- # define RAW_ADDR(x) (x)
-@@ -56,15 +57,15 @@ extern char *grub_scratch_mem;
- #define NEW_HEAPSIZE 1500
-
- /* 512-byte scratch area */
--#define SCRATCHADDR RAW_ADDR (0x77e00)
--#define SCRATCHSEG RAW_SEG (0x77e0)
-+#define SCRATCHADDR RAW_ADDR (0x77000)
-+#define SCRATCHSEG RAW_SEG (0x7700)
-
- /*
-- * This is the location of the raw device buffer. It is 31.5K
-+ * This is the location of the raw device buffer. It is 28K
- * in size.
- */
-
--#define BUFFERLEN 0x7e00
-+#define BUFFERLEN 0x7000
- #define BUFFERADDR RAW_ADDR (0x70000)
- #define BUFFERSEG RAW_SEG (0x7000)
-
-@@ -79,6 +80,8 @@ extern char *grub_scratch_mem;
- #define BIOSDISK_FLAG_LBA_EXTENSION 0x1
- #define BIOSDISK_FLAG_CDROM 0x2
-
-+#define MAX_HD_NUM 128
-+
- /*
- * This is the filesystem (not raw device) buffer.
- * It is 32K in size, do not overrun!
-@@ -127,7 +130,7 @@ extern char *grub_scratch_mem;
- #define MENU_BUFLEN (0x8000 + PASSWORD_BUF - MENU_BUF)
-
- /* The size of the drive map. */
--#define DRIVE_MAP_SIZE 8
-+#define DRIVE_MAP_SIZE 128
-
- /* The size of the key map. */
- #define KEY_MAP_SIZE 128
-@@ -160,16 +163,18 @@ extern char *grub_scratch_mem;
- #define LINUX_VID_MODE_ASK 0xFFFD
-
- #define LINUX_CL_OFFSET 0x9000
--#define LINUX_CL_END_OFFSET 0x90FF
--#define LINUX_SETUP_MOVE_SIZE 0x9100
-+#define LINUX_CL_END_OFFSET 0x97FF
-+#define LINUX_SETUP_MOVE_SIZE 0x9800
- #define LINUX_CL_MAGIC 0xA33F
-
- /*
- * General disk stuff
- */
-
-+#ifndef PLATFORM_EFI
- #define SECTOR_SIZE 0x200
- #define SECTOR_BITS 9
-+#endif /* PLATFORM_EFI */
- #define BIOS_FLAG_FIXED_DISK 0x80
-
- #define BOOTSEC_LOCATION RAW_ADDR (0x7C00)
-@@ -200,6 +205,8 @@ extern char *grub_scratch_mem;
- #define STAGE2_FORCE_LBA 0x11
- #define STAGE2_VER_STR_OFFS 0x12
-
-+#define STAGE2_ONCEONLY_ENTRY 0x10000
-+
- /* Stage 2 identifiers */
- #define STAGE2_ID_STAGE2 0
- #define STAGE2_ID_FFS_STAGE1_5 1
-@@ -360,7 +367,7 @@ extern char *grub_scratch_mem;
- #define memcpy grub_memmove /* we don't need a separate memcpy */
- #define memset grub_memset
- #define isspace grub_isspace
--#define printf grub_printf
-+#define printf(format...) grub_printf(format)
- #define sprintf grub_sprintf
- #undef putchar
- #define putchar grub_putchar
-@@ -371,14 +378,24 @@ extern char *grub_scratch_mem;
- #define tolower grub_tolower
- #define strlen grub_strlen
- #define strcpy grub_strcpy
-+#define stpncpy grub_stpncpy
-+#define strspn grub_strspn
-+#define strcspn grub_strcspn
-+#define strtok_r grub_strtok_r
-+#define strchr grub_strchr
-+#define strrchr grub_strrchr
-+#define strnchr grub_strnchr
-+#define strncpy grub_strncpy
-+#define strncasecmp grub_strncasecmp
- #endif /* WITHOUT_LIBC_STUBS */
-
--
- #ifndef ASM_FILE
- /*
- * Below this should be ONLY defines and other constructs for C code.
- */
-
-+#include <stdarg.h>
-+
- /* multiboot stuff */
-
- #include "mb_header.h"
-@@ -400,30 +417,33 @@ struct linux_kernel_header
- unsigned short root_dev; /* Default root device number */
- unsigned short boot_flag; /* 0xAA55 magic number */
- unsigned short jump; /* Jump instruction */
-- unsigned long header; /* Magic signature "HdrS" */
-+ unsigned int header; /* Magic signature "HdrS" */
- unsigned short version; /* Boot protocol version supported */
-- unsigned long realmode_swtch; /* Boot loader hook */
-- unsigned long start_sys; /* Points to kernel version string */
-+ unsigned int realmode_swtch; /* Boot loader hook */
-+ unsigned int start_sys; /* Points to kernel version string */
- unsigned char type_of_loader; /* Boot loader identifier */
- unsigned char loadflags; /* Boot protocol option flags */
- unsigned short setup_move_size; /* Move to high memory size */
-- unsigned long code32_start; /* Boot loader hook */
-- unsigned long ramdisk_image; /* initrd load address */
-- unsigned long ramdisk_size; /* initrd size */
-- unsigned long bootsect_kludge; /* obsolete */
-+ unsigned int code32_start; /* Boot loader hook */
-+ unsigned int ramdisk_image; /* initrd load address */
-+ unsigned int ramdisk_size; /* initrd size */
-+ unsigned int bootsect_kludge; /* obsolete */
- unsigned short heap_end_ptr; /* Free memory after setup end */
- unsigned short pad1; /* Unused */
- char *cmd_line_ptr; /* Points to the kernel command line */
-- unsigned long initrd_addr_max; /* The highest address of initrd */
-+ unsigned int initrd_addr_max; /* The highest address of initrd */
-+ unsigned int kernel_alignment; /* Physical addr alignment required for kernel */
-+ unsigned int relocatable_kernel; /* Whether kernel is relocatable or not */
-+ unsigned int cmdline_size; /* Maximum size of the kernel command line */
- } __attribute__ ((packed));
-
- /* Memory map address range descriptor used by GET_MMAP_ENTRY. */
- struct mmar_desc
- {
-- unsigned long desc_len; /* Size of this descriptor. */
-+ unsigned int desc_len; /* Size of this descriptor. */
- unsigned long long addr; /* Base address. */
- unsigned long long length; /* Length in bytes. */
-- unsigned long type; /* Type of address range. */
-+ unsigned int type; /* Type of address range. */
- } __attribute__ ((packed));
-
- /* VBE controller information. */
-@@ -600,6 +620,7 @@ typedef enum
- {
- PASSWORD_PLAIN,
- PASSWORD_MD5,
-+ PASSWORD_ENCRYPTED,
- PASSWORD_UNSUPPORTED
- }
- password_t;
-@@ -627,8 +648,16 @@ extern void (*disk_read_func) (int, int, int);
- #ifndef STAGE1_5
- /* The flag for debug mode. */
- extern int debug;
-+extern int debug_graphics;
- #endif /* STAGE1_5 */
-
-+/* Verbose mode flag. */
-+extern int grub_verbose;
-+#define verbose_printf(format...) \
-+ do { if (grub_verbose) printf(format); } while (0)
-+#define grub_verbose_printf(format...) \
-+ do { if (grub_verbose) grub_printf(format); } while (0)
-+
- extern unsigned long current_drive;
- extern unsigned long current_partition;
-
-@@ -666,6 +695,8 @@ extern struct geometry buf_geom;
- extern int filepos;
- extern int filemax;
-
-+extern int silent_grub;
-+
- /*
- * Common BIOS/boot data.
- */
-@@ -804,11 +835,17 @@ int getkey (void);
- available. */
- int checkkey (void);
-
-+/* Return keyboard modifier status. */
-+int
-+keystatus (void);
-+
- /* Low-level disk I/O */
- int get_diskinfo (int drive, struct geometry *geometry);
- int biosdisk (int subfunc, int drive, struct geometry *geometry,
- int sector, int nsec, int segment);
- void stop_floppy (void);
-+int get_sector_size (int drive);
-+int get_sector_bits (int drive);
-
- /* Command-line interface functions. */
- #ifndef STAGE1_5
-@@ -860,17 +897,25 @@ void init_builtins (void);
- void init_config (void);
- char *skip_to (int after_equal, char *cmdline);
- struct builtin *find_command (char *command);
--void print_cmdline_message (int forever);
- void enter_cmdline (char *heap, int forever);
- int run_script (char *script, char *heap);
-+
-+/* the flags for the cmdline message */
-+#define CMDLINE_FOREVER_MODE 0x0
-+#define CMDLINE_NORMAL_MODE 0x1
-+#define CMDLINE_EDIT_MODE 0x2
-+
-+void print_cmdline_message (int type);
- #endif
-
- /* C library replacement functions with identical semantics. */
--void grub_printf (const char *format,...);
-+int grub_vsprintf (char *str, const char *fmt, va_list args);
-+void grub_printf (char *format,...);
- int grub_sprintf (char *buffer, const char *format, ...);
- int grub_tolower (int c);
- int grub_isspace (int c);
- int grub_strncat (char *s1, const char *s2, int n);
-+void grub_memcpy(void *dest, const void *src, int len);
- void *grub_memmove (void *to, const void *from, int len);
- void *grub_memset (void *start, int c, int len);
- int grub_strncat (char *s1, const char *s2, int n);
-@@ -879,9 +924,19 @@ int grub_memcmp (const char *s1, const char *s2, int n);
- int grub_strcmp (const char *s1, const char *s2);
- int grub_strlen (const char *str);
- char *grub_strcpy (char *dest, const char *src);
-+char *grub_stpncpy (char *dest, const char *src, int n);
-+int grub_strspn(const char *s, const char *accept);
-+int grub_strcspn(const char *s, const char *reject);
-+char *grub_strtok_r(char *s, const char *delim, char **ptrptr);
-+char *grub_strchr (const char *s, int c);
-+char *grub_strrchr (const char *s, int c);
-+char *grub_strnchr (const char *s, int c);
-+int grub_strnlen (const char *s, int n);
-+char *grub_strncpy (char *new, const char *s, int n);
-+int grub_strncasecmp(const char *s0, const char *s1, int n);
-
- #ifndef GRUB_UTIL
--typedef unsigned long grub_jmp_buf[6];
-+typedef unsigned long grub_jmp_buf[8];
- #else
- /* In the grub shell, use the libc jmp_buf instead. */
- # include <setjmp.h>
-@@ -904,10 +959,11 @@ extern grub_jmp_buf restart_cmdline_env;
- /* misc */
- void init_page (void);
- void print_error (void);
--char *convert_to_ascii (char *buf, int c, ...);
-+char *convert_to_ascii (char *buf, int c, unsigned int num);
- int get_cmdline (char *prompt, char *cmdline, int maxlen,
- int echo_char, int history);
- int substring (const char *s1, const char *s2);
-+int subcasestring (const char *s1, const char *s2);
- int nul_terminate (char *str);
- int get_based_digit (int c, int base);
- int safe_parse_maxint (char **str_ptr, int *myint_ptr);
-@@ -934,7 +990,9 @@ int next_partition (unsigned long drive, unsigned long dest,
- unsigned long *partition, int *type,
- unsigned long *start, unsigned long *len,
- unsigned long *offset, int *entry,
-- unsigned long *ext_offset, char *buf);
-+ unsigned long *ext_offset,
-+ unsigned long *gpt_offset, int *gpt_count,
-+ int *gpt_size, char *buf);
-
- /* Sets device to the one represented by the SAVED_* parameters. */
- int make_saved_active (void);
-@@ -962,6 +1020,8 @@ int dir (char *dirname);
-
- int set_bootdev (int hdbias);
-
-+char *get_fsys_type (void);
-+
- /* Display statistics on the current active device. */
- void print_fsys_type (void);
-
-@@ -987,10 +1047,22 @@ int load_module (char *module, char *arg);
- int load_initrd (char *initrd);
-
- int check_password(char *entered, char* expected, password_t type);
-+
-+char *sha256_crypt (const char *key, const char *salt);
-+char *sha512_crypt (const char *key, const char *salt);
- #endif
-
- void init_bios_info (void);
-
-+#ifdef PLATFORM_EFI
-+void grub_set_config_file (char *path_name);
-+int grub_save_saved_default (int new_default);
-+extern int check_device (const char *device);
-+extern void assign_device_name (int drive, const char *device);
-+#endif
-+int grub_load_linux (char *kernel, char *arg);
-+int grub_load_initrd (char *initrd);
-+int grub_chainloader (char *filename);
- #endif /* ASM_FILE */
-
- #endif /* ! GRUB_SHARED_HEADER */
-diff --git a/stage2/smp-imps.h b/stage2/smp-imps.h
-index c0fdce3..bae9b77 100644
---- a/stage2/smp-imps.h
-+++ b/stage2/smp-imps.h
-@@ -196,7 +196,6 @@ struct imps_interrupt
-
- int imps_probe (void);
-
--
- /*
- * Defines that use variables
- */
-diff --git a/stage2/stage1_5.c b/stage2/stage1_5.c
-index 5c45d4c..c2d9632 100644
---- a/stage2/stage1_5.c
-+++ b/stage2/stage1_5.c
-@@ -30,7 +30,8 @@ disk_read_savesect_func (int sector, int offset, int length)
- void
- cmain (void)
- {
-- grub_printf ("\n\nGRUB loading, please wait...\n");
-+ if (0)
-+ grub_printf ("\n\nGRUB loading, please wait...\n");
-
- /*
- * Here load the true second-stage boot-loader.
-diff --git a/stage2/stage2.c b/stage2/stage2.c
-index 4dbf6f5..cca4332 100644
---- a/stage2/stage2.c
-+++ b/stage2/stage2.c
-@@ -22,6 +22,8 @@
-
- grub_jmp_buf restart_env;
-
-+int silent_grub = 0;
-+
- #if defined(PRESET_MENU_STRING) || defined(SUPPORT_DISKLESS)
-
- # if defined(PRESET_MENU_STRING)
-@@ -233,6 +235,10 @@ run_menu (char *menu_entries, char *config_entries, int num_entries,
- {
- int c, time1, time2 = -1, first_entry = 0;
- char *cur_entry = 0;
-+ struct term_entry *prev_term = NULL;
-+
-+ if (grub_verbose)
-+ cls();
-
- /*
- * Main loop for menu UI.
-@@ -254,18 +260,33 @@ restart:
- interface. */
- if (grub_timeout < 0)
- show_menu = 1;
--
-+
- /* If SHOW_MENU is false, don't display the menu until ESC is pressed. */
- if (! show_menu)
- {
-+ /* Don't show the "Booting in blah seconds message" if the timeout is 0 */
-+ int print_message = grub_timeout != 0;
-+
- /* Get current time. */
- while ((time1 = getrtsecs ()) == 0xFF)
- ;
-
-+ if (print_message)
-+ grub_printf("\rPress any key to enter the menu\n\n\n");
-+
- while (1)
- {
-- /* Check if ESC is pressed. */
-- if (checkkey () != -1 && ASCII_CHAR (getkey ()) == '\e')
-+ /* Check if any key is pressed */
-+ if (checkkey () != -1)
-+ {
-+ grub_timeout = -1;
-+ show_menu = 1;
-+ getkey ();
-+ break;
-+ }
-+
-+ /* See if a modifier key is held down. */
-+ if (keystatus () != 0)
- {
- grub_timeout = -1;
- show_menu = 1;
-@@ -287,8 +308,10 @@ restart:
- grub_timeout--;
-
- /* Print a message. */
-- grub_printf ("\rPress `ESC' to enter the menu... %d ",
-- grub_timeout);
-+ if (print_message)
-+ grub_printf ("\rBooting %s in %d seconds...",
-+ get_entry(menu_entries, first_entry + entryno, 0),
-+ grub_timeout);
- }
- }
- }
-@@ -319,7 +342,8 @@ restart:
- if (config_entries)
- printf ("\
- Press enter to boot the selected OS, \'e\' to edit the\n\
-- commands before booting, or \'c\' for a command-line.");
-+ commands before booting, \'a\' to modify the kernel arguments\n\
-+ before booting, or \'c\' for a command-line.");
- else
- printf ("\
- Press \'b\' to boot, \'e\' to edit the selected command in the\n\
-@@ -514,7 +538,7 @@ restart:
- if (c == 'O')
- {
- grub_memmove (cur_entry + 2, cur_entry,
-- ((int) heap) - ((int) cur_entry));
-+ heap - cur_entry);
-
- cur_entry[0] = ' ';
- cur_entry[1] = 0;
-@@ -530,8 +554,8 @@ restart:
- 0);
-
- grub_memmove (cur_entry, ptr,
-- ((int) heap) - ((int) ptr));
-- heap -= (((int) ptr) - ((int) cur_entry));
-+ heap - ptr);
-+ heap -= ptr - cur_entry;
-
- num_entries--;
-
-@@ -655,7 +679,7 @@ restart:
- else
- {
- cls ();
-- print_cmdline_message (0);
-+ print_cmdline_message (CMDLINE_EDIT_MODE);
-
- new_heap = heap + NEW_HEAPSIZE + 1;
-
-@@ -681,7 +705,7 @@ restart:
-
- /* align rest of commands properly */
- grub_memmove (cur_entry + j, cur_entry + i,
-- (int) heap - ((int) cur_entry + i));
-+ (unsigned long) heap - ((unsigned long) cur_entry + i));
-
- /* copy command to correct area */
- grub_memmove (cur_entry, new_heap, j);
-@@ -697,6 +721,98 @@ restart:
- enter_cmdline (heap, 0);
- goto restart;
- }
-+ if (config_entries && c == 'a')
-+ {
-+ int new_num_entries = 0, i = 0, j;
-+ int needs_padding, amount;
-+ char *new_heap;
-+ char * entries;
-+ char * entry_copy;
-+ char * append_line;
-+ char * start;
-+
-+ entry_copy = new_heap = heap;
-+ cur_entry = get_entry (config_entries, first_entry + entryno,
-+ 1);
-+
-+ do
-+ {
-+ while ((*(new_heap++) = cur_entry[i++]) != 0);
-+ new_num_entries++;
-+ }
-+ while (config_entries && cur_entry[i]);
-+
-+ /* this only needs to be done if config_entries is non-NULL,
-+ but it doesn't hurt to do it always */
-+ *(new_heap++) = 0;
-+
-+ new_heap = heap + NEW_HEAPSIZE + 1;
-+
-+ entries = entry_copy;
-+ while (*entries)
-+ {
-+ if ((strstr(entries, "kernel") == entries) &&
-+ isspace(entries[6]))
-+ break;
-+
-+ while (*entries) entries++;
-+ entries++;
-+ }
-+
-+ if (!*entries)
-+ goto restart;
-+
-+ start = entries + 6;
-+
-+ /* skip the white space */
-+ while (*start && isspace(*start)) start++;
-+ /* skip the kernel name */
-+ while (*start && !isspace(*start)) start++;
-+
-+ /* skip the white space */
-+ needs_padding = (!*start || !isspace(*start));
-+ while (*start && isspace(*start)) start++;
-+
-+ append_line = new_heap;
-+ grub_strcpy(append_line, start);
-+
-+ cls();
-+ print_cmdline_message (CMDLINE_EDIT_MODE);
-+
-+ if (get_cmdline(PACKAGE " append> ",
-+ append_line, NEW_HEAPSIZE + 1,
-+ 0, 1))
-+ goto restart;
-+
-+ /* have new args; append_line points to the
-+ new args and start points to the old
-+ args */
-+
-+ i = grub_strlen(start);
-+ j = grub_strlen(append_line);
-+
-+ if (i > (j + needs_padding))
-+ amount = i;
-+ else
-+ amount = j + needs_padding;
-+
-+ /* align rest of commands properly */
-+ memmove (start + j + needs_padding, start + i,
-+ ((unsigned long) append_line) - ((unsigned long) start) - (amount));
-+
-+ if (needs_padding)
-+ *start = ' ';
-+
-+ /* copy command to correct area */
-+ memmove (start + needs_padding, append_line, j);
-+
-+ /* set up this entry to boot */
-+ config_entries = NULL;
-+ cur_entry = entry_copy;
-+ heap = new_heap;
-+
-+ break;
-+ }
- #ifdef GRUB_UTIL
- if (c == 'q')
- {
-@@ -712,16 +828,31 @@ restart:
-
- boot_entry:
-
-- cls ();
-- setcursor (1);
-+ if (grub_verbose || show_menu)
-+ {
-+ cls ();
-+ setcursor (1);
-+ }
-+ /* if our terminal needed initialization, we should shut it down
-+ * before booting the kernel, but we want to save what it was so
-+ * we can come back if needed */
-+ prev_term = current_term;
-+ if (current_term->shutdown)
-+ {
-+ (*current_term->shutdown)();
-+ current_term = term_table; /* assumption: console is first */
-+ }
-+
-+ if (silent_grub)
-+ setcursor(0);
-
- while (1)
- {
- if (config_entries)
-- printf (" Booting \'%s\'\n\n",
-+ verbose_printf (" Booting \'%s\'\n\n",
- get_entry (menu_entries, first_entry + entryno, 0));
- else
-- printf (" Booting command-list\n\n");
-+ verbose_printf (" Booting command-list\n\n");
-
- if (! cur_entry)
- cur_entry = get_entry (config_entries, first_entry + entryno, 1);
-@@ -748,6 +879,13 @@ restart:
- break;
- }
-
-+ /* if we get back here, we should go back to what our term was before */
-+ current_term = prev_term;
-+ if (current_term->startup)
-+ /* if our terminal fails to initialize, fall back to console since
-+ * it should always work */
-+ if ((*current_term->startup)() == 0)
-+ current_term = term_table; /* we know that console is first */
- show_menu = 1;
- goto restart;
- }
-@@ -867,38 +1005,8 @@ cmain (void)
- if (use_config_file)
- #endif /* GRUB_UTIL */
- {
-- char *default_file = (char *) DEFAULT_FILE_BUF;
- int i;
--
-- /* Get a saved default entry if possible. */
-- saved_entryno = 0;
-- *default_file = 0;
-- grub_strncat (default_file, config_file, DEFAULT_FILE_BUFLEN);
-- for (i = grub_strlen(default_file); i >= 0; i--)
-- if (default_file[i] == '/')
-- {
-- i++;
-- break;
-- }
-- default_file[i] = 0;
-- grub_strncat (default_file + i, "default", DEFAULT_FILE_BUFLEN - i);
-- if (grub_open (default_file))
-- {
-- char buf[10]; /* This is good enough. */
-- char *p = buf;
-- int len;
--
-- len = grub_read (buf, sizeof (buf));
-- if (len > 0)
-- {
-- buf[sizeof (buf) - 1] = 0;
-- safe_parse_maxint (&p, &saved_entryno);
-- }
-
-- grub_close ();
-- }
-- errnum = ERR_NONE;
--
- do
- {
- /* STATE 0: Before any title command.
-@@ -1050,11 +1158,16 @@ cmain (void)
- while (is_preset);
- }
-
-+ /* go ahead and make sure the terminal is setup */
-+ if (current_term->startup)
-+ (*current_term->startup)();
-+
- if (! num_entries)
- {
- /* If no acceptable config file, goto command-line, starting
- heap from where the config entries would have been stored
- if there were any. */
-+ grub_verbose = 1;
- enter_cmdline (config_entries, 1);
- }
- else
-diff --git a/stage2/start.S b/stage2/start.S
-index 9a7d504..7a6652f 100644
---- a/stage2/start.S
-+++ b/stage2/start.S
-@@ -39,6 +39,9 @@
-
- /* Print message string */
- #define MSG(x) movw $ABS(x), %si; call message
-+
-+ /* Print verbose message string */
-+#define VMSG(x)
-
- .file "start.S"
-
-@@ -67,9 +70,9 @@ _start:
-
- /* print a notification message on the screen */
- pushw %si
-- MSG(notification_string)
-+ VMSG(notification_string)
- popw %si
--
-+
- /* this sets up for the first run through "bootloop" */
- movw $ABS(firstlist - BOOTSEC_LISTSIZE), %di
-
-@@ -291,9 +294,9 @@ copy_buffer:
- movsb /* this runs the actual copy */
-
- /* restore addressing regs and print a dot with correct DS
-- (MSG modifies SI, which is saved, and unused AX and BX) */
-+ (VMSG modifies SI, which is saved, and unused AX and BX) */
- popw %ds
-- MSG(notification_step)
-+ VMSG(notification_step)
- popa
-
- /* check if finished with this dataset */
-@@ -310,7 +313,7 @@ copy_buffer:
-
- bootit:
- /* print a newline */
-- MSG(notification_done)
-+ VMSG(notification_done)
- popw %dx /* this makes sure %dl is our "boot" drive */
- #ifdef STAGE1_5
- ljmp $0, $0x2200
-diff --git a/stage2/term.h b/stage2/term.h
-index 8261c7c..803de58 100644
---- a/stage2/term.h
-+++ b/stage2/term.h
-@@ -54,18 +54,28 @@ typedef enum
- /* Set when the terminal needs to be initialized. */
- #define TERM_NEED_INIT (1 << 16)
-
-+/* Bitmasks for modifier keys returned by term->keystatus(). */
-+#define TERM_STATUS_ALT (1 << 3)
-+#define TERM_STATUS_CTRL (1 << 2)
-+#define TERM_STATUS_LEFT_SHIFT (1 << 1)
-+#define TERM_STATUS_RIGHT_SHIFT (1 << 0)
-+
- struct term_entry
- {
- /* The name of a terminal. */
- const char *name;
- /* The feature flags defined above. */
- unsigned long flags;
-+ /* Default for maximum number of lines if not specified */
-+ unsigned short max_lines;
- /* Put a character. */
- void (*putchar) (int c);
- /* Check if any input character is available. */
- int (*checkkey) (void);
- /* Get a character. */
- int (*getkey) (void);
-+ /* Get keyboard modifier status. */
-+ int (*keystatus) (void);
- /* Get the cursor position. The return value is ((X << 8) | Y). */
- int (*getxy) (void);
- /* Go to the position (X, Y). */
-@@ -79,6 +89,11 @@ struct term_entry
- void (*setcolor) (int normal_color, int highlight_color);
- /* Turn on/off the cursor. */
- int (*setcursor) (int on);
-+
-+ /* function to start a terminal */
-+ int (*startup) (void);
-+ /* function to use to shutdown a terminal */
-+ void (*shutdown) (void);
- };
-
- /* This lists up available terminals. */
-@@ -96,6 +111,7 @@ void console_putchar (int c);
- #ifndef STAGE1_5
- int console_checkkey (void);
- int console_getkey (void);
-+int console_keystatus (void);
- int console_getxy (void);
- void console_gotoxy (int x, int y);
- void console_cls (void);
-@@ -124,4 +140,23 @@ void hercules_setcolor (int normal_color, int highlight_color);
- int hercules_setcursor (int on);
- #endif
-
-+#ifdef SUPPORT_GRAPHICS
-+extern int foreground, background, border, graphics_inited;
-+
-+void graphics_set_splash(char *splashfile);
-+int set_videomode (int mode);
-+void graphics_putchar (int c);
-+int graphics_getxy(void);
-+void graphics_gotoxy(int x, int y);
-+void graphics_cls(void);
-+void graphics_setcolorstate (color_state state);
-+void graphics_setcolor (int normal_color, int highlight_color);
-+int graphics_setcursor (int on);
-+int graphics_init(void);
-+void graphics_end(void);
-+
-+int hex(int v);
-+void graphics_set_palette(int idx, int red, int green, int blue);
-+#endif /* SUPPORT_GRAPHICS */
-+
- #endif /* ! GRUB_TERM_HEADER */
-diff --git a/stage2/tparm.c b/stage2/tparm.c
-index ff78d53..408b284 100644
---- a/stage2/tparm.c
-+++ b/stage2/tparm.c
-@@ -320,7 +320,7 @@ parse_format(const char *s, char *format, int *len)
- #define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
-
- static inline char *
--tparam_internal(const char *string, int *dataptr)
-+tparam_internal(const char *string, va_list args)
- {
- #define NUM_VARS 26
- char *p_is_s[9];
-@@ -461,9 +461,9 @@ tparam_internal(const char *string, int *dataptr)
- * a char* and an int may not be the same size on the stack.
- */
- if (p_is_s[i] != 0) {
-- p_is_s[i] = (char *)(*(dataptr++));
-+ p_is_s[i] = va_arg (args, char *);
- } else {
-- param[i] = (int)(*(dataptr++));
-+ param[i] = va_arg (args, int);
- }
- }
-
-@@ -716,11 +716,11 @@ char *
- grub_tparm(const char *string,...)
- {
- char *result;
-- int *dataptr = (int *) &string;
-+ va_list ap;
-
-- dataptr++;
--
-- result = tparam_internal(string, dataptr);
-+ va_start (ap, string);
-+ result = tparam_internal(string, ap);
-+ va_end(ap);
-
- return result;
- }
-diff --git a/test b/test
-new file mode 100644
-index 0000000..b182379
---- /dev/null
-+++ b/test
-@@ -0,0 +1 @@
-+fo of fo
-diff --git a/util/.gitignore b/util/.gitignore
-new file mode 100644
-index 0000000..6687356
---- /dev/null
-+++ b/util/.gitignore
-@@ -0,0 +1,7 @@
-+Makefile.in
-+Makefile
-+.deps
-+grub-image
-+grub-install
-+grub-md5-crypt
-+grub-terminfo
-diff --git a/util/Makefile.am b/util/Makefile.am
-index 2e04711..fa545b1 100644
---- a/util/Makefile.am
-+++ b/util/Makefile.am
-@@ -1,6 +1,7 @@
-+if !PLATFORM_EFI
-+
- bin_PROGRAMS = mbchk
--sbin_SCRIPTS = grub-install grub-md5-crypt grub-terminfo \
-- grub-set-default
-+sbin_SCRIPTS = grub-install grub-md5-crypt grub-terminfo grub-crypt
- noinst_SCRIPTS = grub-image mkbimage
-
- EXTRA_DIST = mkbimage
-@@ -10,3 +11,9 @@ AM_CFLAGS = -I$(top_srcdir)/lib -I$(top_srcdir)/docs
-
- mbchk_SOURCES = mbchk.c
- mbchk_LDADD = ../lib/libcommon.a
-+
-+else
-+
-+sbin_SCRIPTS = grub-md5-crypt grub-terminfo grub-crypt
-+
-+endif
-diff --git a/util/Makefile.in b/util/Makefile.in
-deleted file mode 100644
-index e700cf7..0000000
---- a/util/Makefile.in
-+++ /dev/null
-@@ -1,478 +0,0 @@
--# Makefile.in generated by automake 1.9.4 from Makefile.am.
--# @configure_input@
--
--# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
--# 2003, 2004 Free Software Foundation, Inc.
--# This Makefile.in is free software; the Free Software Foundation
--# gives unlimited permission to copy and/or distribute it,
--# with or without modifications, as long as this notice is preserved.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
--# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
--# PARTICULAR PURPOSE.
--
--@SET_MAKE@
--
--
--SOURCES = $(mbchk_SOURCES)
--
--srcdir = @srcdir@
--top_srcdir = @top_srcdir@
--VPATH = @srcdir@
--pkgdatadir = $(datadir)/@PACKAGE@
--pkglibdir = $(libdir)/@PACKAGE@
--pkgincludedir = $(includedir)/@PACKAGE@
--top_builddir = ..
--am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
--INSTALL = @INSTALL@
--install_sh_DATA = $(install_sh) -c -m 644
--install_sh_PROGRAM = $(install_sh) -c
--install_sh_SCRIPT = $(install_sh) -c
--INSTALL_HEADER = $(INSTALL_DATA)
--transform = $(program_transform_name)
--NORMAL_INSTALL = :
--PRE_INSTALL = :
--POST_INSTALL = :
--NORMAL_UNINSTALL = :
--PRE_UNINSTALL = :
--POST_UNINSTALL = :
--build_triplet = @build@
--host_triplet = @host@
--bin_PROGRAMS = mbchk$(EXEEXT)
--subdir = util
--DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
-- $(srcdir)/grub-image.in $(srcdir)/grub-install.in \
-- $(srcdir)/grub-md5-crypt.in $(srcdir)/grub-set-default.in \
-- $(srcdir)/grub-terminfo.in
--ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
--am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
-- $(top_srcdir)/configure.ac
--am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-- $(ACLOCAL_M4)
--mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
--CONFIG_HEADER = $(top_builddir)/config.h
--CONFIG_CLEAN_FILES = grub-image grub-install grub-md5-crypt \
-- grub-terminfo grub-set-default
--am__installdirs = "$(DESTDIR)$(bindir)" "$(DESTDIR)$(sbindir)"
--binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
--PROGRAMS = $(bin_PROGRAMS)
--am_mbchk_OBJECTS = mbchk.$(OBJEXT)
--mbchk_OBJECTS = $(am_mbchk_OBJECTS)
--mbchk_DEPENDENCIES = ../lib/libcommon.a
--sbinSCRIPT_INSTALL = $(INSTALL_SCRIPT)
--SCRIPTS = $(noinst_SCRIPTS) $(sbin_SCRIPTS)
--DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
--depcomp = $(SHELL) $(top_srcdir)/depcomp
--am__depfiles_maybe = depfiles
--COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
--CCLD = $(CC)
--LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
--SOURCES = $(mbchk_SOURCES)
--DIST_SOURCES = $(mbchk_SOURCES)
--ETAGS = etags
--CTAGS = ctags
--DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
--ACLOCAL = @ACLOCAL@
--AMDEP_FALSE = @AMDEP_FALSE@
--AMDEP_TRUE = @AMDEP_TRUE@
--AMTAR = @AMTAR@
--AUTOCONF = @AUTOCONF@
--AUTOHEADER = @AUTOHEADER@
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-- grub-set-default
--
--noinst_SCRIPTS = grub-image mkbimage
--EXTRA_DIST = mkbimage
--
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--install-binPROGRAMS: $(bin_PROGRAMS)
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-- ; then \
-- f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
-- echo " $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
-- $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
-- else :; fi; \
-- done
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-- @$(NORMAL_UNINSTALL)
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-- f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
-- echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
-- rm -f "$(DESTDIR)$(bindir)/$$f"; \
-- done
--
--clean-binPROGRAMS:
-- -test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
--mbchk$(EXEEXT): $(mbchk_OBJECTS) $(mbchk_DEPENDENCIES)
-- @rm -f mbchk$(EXEEXT)
-- $(LINK) $(mbchk_LDFLAGS) $(mbchk_OBJECTS) $(mbchk_LDADD) $(LIBS)
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-- if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
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-- echo " $(sbinSCRIPT_INSTALL) '$$d$$p' '$(DESTDIR)$(sbindir)/$$f'"; \
-- $(sbinSCRIPT_INSTALL) "$$d$$p" "$(DESTDIR)$(sbindir)/$$f"; \
-- else :; fi; \
-- done
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-- f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
-- echo " rm -f '$(DESTDIR)$(sbindir)/$$f'"; \
-- rm -f "$(DESTDIR)$(sbindir)/$$f"; \
-- done
--
--mostlyclean-compile:
-- -rm -f *.$(OBJEXT)
--
--distclean-compile:
-- -rm -f *.tab.c
--
--@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbchk.Po@am__quote@
--
--.c.o:
--@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
--@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
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-- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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-- END { for (i in files) print i; }'`; \
-- mkid -fID $$unique
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--
--TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
-- $(TAGS_FILES) $(LISP)
-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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-- tags=; \
-- here=`pwd`; \
-- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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--# Tell versions [3.59,3.63) of GNU make to not export all variables.
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-diff --git a/util/grub-crypt.in b/util/grub-crypt.in
-new file mode 100644
-index 0000000..e8783c8
---- /dev/null
-+++ b/util/grub-crypt.in
-@@ -0,0 +1,80 @@
-+#! /usr/bin/python
-+
-+'''Generate encrypted passwords for GRUB.'''
-+
-+import crypt
-+import getopt
-+import getpass
-+import sys
-+
-+def usage():
-+ '''Output usage message to stderr and exit.'''
-+ print >> sys.stderr, 'Usage: grub-crypt [OPTION]...'
-+ print >> sys.stderr, 'Try `$progname --help\' for more information.'
-+ sys.exit(1)
-+
-+def gen_salt():
-+ '''Generate a random salt.'''
-+ ret = ''
-+ with open('/dev/urandom', 'rb') as urandom:
-+ while True:
-+ byte = urandom.read(1)
-+ if byte in ('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
-+ './0123456789'):
-+ ret += byte
-+ if len(ret) == 16:
-+ break
-+ return ret
-+
-+def main():
-+ '''Top level.'''
-+ crypt_type = '$6$' # SHA-256
-+ try:
-+ opts, args = getopt.getopt(sys.argv[1:], 'hv',
-+ ('help', 'version', 'md5', 'sha-256',
-+ 'sha-512'))
-+ except getopt.GetoptError, err:
-+ print >> sys.stderr, str(err)
-+ usage()
-+ if args:
-+ print >> sys.stderr, 'Unexpected argument `%s\'' % (args[0],)
-+ usage()
-+ for (opt, _) in opts:
-+ if opt in ('-h', '--help'):
-+ print (
-+'''Usage: grub-crypt [OPTION]...
-+Encrypt a password.
-+
-+ -h, --help Print this message and exit
-+ -v, --version Print the version information and exit
-+ --md5 Use MD5 to encrypt the password
-+ --sha-256 Use SHA-256 to encrypt the password
-+ --sha-512 Use SHA-512 to encrypt the password (default)
-+
-+Report bugs to <bug-grub(a)gnu.org>.
-+EOF''')
-+ sys.exit(0)
-+ elif opt in ('-v', '--version'):
-+ print 'grub-crypt (GNU GRUB @VERSION@)'
-+ sys.exit(0)
-+ elif opt == '--md5':
-+ crypt_type = '$1$'
-+ elif opt == '--sha-256':
-+ crypt_type = '$5$'
-+ elif opt == '--sha-512':
-+ crypt_type = '$6$'
-+ else:
-+ assert False, 'Unhandled option'
-+ password = getpass.getpass('Password: ')
-+ password2 = getpass.getpass('Retype password: ')
-+ if not password:
-+ print >> sys.stderr, 'Empty password is not permitted.'
-+ sys.exit(1)
-+ if password != password2:
-+ print >> sys.stderr, 'Sorry, passwords do not match.'
-+ sys.exit(1)
-+ salt = crypt_type + gen_salt()
-+ print crypt.crypt(password, salt)
-+
-+if __name__ == '__main__':
-+ main()
-diff --git a/util/grub-install.in b/util/grub-install.in
-index 2e598b0..12539b8 100644
---- a/util/grub-install.in
-+++ b/util/grub-install.in
-@@ -21,34 +21,36 @@
- prefix=@prefix@
- exec_prefix=@exec_prefix@
- sbindir=@sbindir@
--libdir=@libdir@
-+datadir=@datadir@
- PACKAGE=@PACKAGE@
- VERSION=@VERSION@
- host_cpu=@host_cpu@
- host_os=@host_os@
- host_vendor=@host_vendor@
--pkglibdir=${libdir}/${PACKAGE}/${host_cpu}-${host_vendor}
-+pkgdatadir=${datadir}/${PACKAGE}/${host_cpu}-${host_vendor}
-
- grub_shell=${sbindir}/grub
--grub_set_default=${sbindir}/grub-set-default
--log_file=/tmp/grub-install.log.$$
--img_file=/tmp/grub-install.img.$$
-+mdadm=${sbindir}/mdadm
-+log_file=${TMPDIR:-/tmp}/grub-install.log.$$
-+img_file=${TMPDIR:-/tmp}/grub-install.img.$$
- rootdir=
- grub_prefix=/boot/grub
-
-+install_drives=
- install_device=
- no_floppy=
- force_lba=
- recheck=no
- debug=no
-+justcopy=no
-
- # look for secure tempfile creation wrappers on this platform
- if test -x /bin/tempfile; then
- mklog="/bin/tempfile --prefix=grub"
- mkimg="/bin/tempfile --prefix=grub"
- elif test -x /bin/mktemp; then
-- mklog="/bin/mktemp /tmp/grub-install.log.XXXXXX"
-- mkimg="/bin/mktemp /tmp/grub-install.img.XXXXXX"
-+ mklog="/bin/mktemp ${TMPDIR:-/tmp}/grub-install.log.XXXXXX"
-+ mkimg="/bin/mktemp ${TMPDIR:-/tmp}/grub-install.img.XXXXXX"
- else
- mklog=""
- mkimg=""
-@@ -70,6 +72,8 @@ Install GRUB on your drive.
- --force-lba force GRUB to use LBA mode even for a buggy
- BIOS
- --recheck probe a device map even if it already exists
-+ This flag is unreliable and its use is
-+ strongly discouraged.
-
- INSTALL_DEVICE can be a GRUB device name or a system device filename.
-
-@@ -96,17 +100,28 @@ convert () {
- # Break the device name into the disk part and the partition part.
- case "$host_os" in
- linux*)
-- tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \
-+ tmp_disk=`echo "$1" | grep -v '/mapper/control$' |
-+ grep -v '/mapper/[[:alnum:]]\+-[[:alnum:]]\+$' | uniq |
-+ sed -e 's%\([shv]d[a-z]\)[0-9]*$%\1%' \
- -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \
- -e 's%\(fd[0-9]*\)$%\1%' \
- -e 's%/part[0-9]*$%/disc%' \
-- -e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
-- tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \
-+ -e 's%\(c[0-7]d[0-9]*\).*$%\1%' \
-+ -e 's%\(/mapper/[[:alpha:]]\+[[:digit:]]\+\)p[[:digit:]]\+$%\1%' \
-+ -e 's%\(/mapper/isw_[[:alpha:]_]\+[[:alpha:]]\+[[:digit:]]\+\)p[[:digit:]]\+$%\1%' \
-+ -e 's%\(/mapper/[[:alpha:]]\+_[[:alpha:]]\+\)[[:digit:]]\+$%\1%'`
-+ tmp_part=`echo "$1" | grep -v '/mapper/control$' |
-+ grep -v '/mapper/[[:alnum:]]\+-[[:alnum:]]\+$' | uniq |
-+ sed -e 's%.*/[shv]d[a-z]\([0-9]*\)$%\1%' \
- -e 's%.*d[0-9]*p%%' \
- -e 's%.*/fd[0-9]*$%%' \
- -e 's%.*/floppy/[0-9]*$%%' \
- -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
-- -e 's%.*c[0-7]d[0-9]*p%%'`
-+ -e 's%.*c[0-7]d[0-9]*p%%' \
-+ -e 's%.*/mapper/[[:alpha:]]\+[[:digit:]]\+p\([[:digit:]]\+\)$%\1%' \
-+ -e 's%.*/mapper/isw_[[:alpha:]_]\+[[:alpha:]]\+[[:digit:]]\+p\([[:digit:]]\+\)$%\1%' \
-+ -e 's%.*/mapper/[[:alpha:]]\+_[[:alpha:]]\+\([[:digit:]]\+\)$%\1%' |
-+ grep -v '.*/mapper/.*'`
- ;;
- gnu*)
- tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'`
-@@ -196,7 +211,7 @@ resolve_symlink () {
- while test -L $tmp_fname; do
- tmp_new_fname=`ls -al $tmp_fname | sed -n 's%.*-> \(.*\)%\1%p'`
- if test -z "$tmp_new_fname"; then
-- echo "Unrecognized ls output" 2>&1
-+ echo "Unrecognized ls output" 1>&2
- exit 1
- fi
-
-@@ -211,6 +226,80 @@ resolve_symlink () {
- echo "$tmp_fname"
- }
-
-+# Usage: is_raid1_device devicename
-+# Returns 0 if devicename is a raid1 md device, 1 if it is not.
-+is_raid1_device () {
-+ case "$host_os" in
-+ linux*)
-+ level=`$mdadm --query --detail $1 2>/dev/null | \
-+ awk '/Raid Level :/ {print $4}'`
-+ if [ "$level" = "raid1" ]; then
-+ return 0
-+ fi
-+ ;;
-+ esac
-+ return 1
-+}
-+
-+# Usage: find_real_devs device
-+# Returns space separated list of devices for linux if device is
-+# a raid1 device. In all other cases, the provided value is returned.
-+find_real_devs () {
-+ source_device=$1
-+ case "$host_os" in
-+ linux*)
-+ if is_raid1_device $source_device ; then
-+ list=""
-+ for device in `$mdadm --query --detail "${source_device}" | \
-+ awk '/\/dev\/[^(md)]/ {print $7}'` ; do
-+ list="$list $device"
-+ done
-+ echo $list
-+ return 0
-+ fi
-+ ;;
-+ esac
-+ echo $source_device
-+ return 0
-+}
-+
-+# Usage: stat_device file
-+# Find major:minor of a device node.
-+stat_device() {
-+ majmin=`stat -c "%t:%T" "$1" 2>/dev/null`
-+ if test -z "$majmin"; then
-+ echo "Could not find device for $1" 1>&2
-+ exit 1
-+ fi
-+
-+ echo "$majmin"
-+}
-+
-+# Usage: find_mapper_device file
-+# Find a file in /dev/mapper with the same major:minor as the specified node.
-+find_mapper_device() {
-+ if [ -b "$1" ]; then
-+ dev="$1"
-+ else
-+ mntpnt=`echo "$1" | sed 's,/,\\\\/,g'`
-+ dev=`awk '($2 ~ /'$mntpnt'/) { print $1 }' /etc/mtab`
-+ fi
-+ if test -z "$dev"; then
-+ echo "Could not find device for $1" 1>&2
-+ exit 1
-+ fi
-+
-+ majmin=`stat_device $dev`
-+ for x in /dev/mapper/* ; do
-+ devmajmin=`stat_device "$x"`
-+ if [ "$majmin" == "$devmajmin" ]; then
-+ echo "$x"
-+ return 0
-+ fi
-+ done
-+ return 1
-+}
-+
- # Usage: find_device file
- # Find block device on which the file resides.
- find_device () {
-@@ -219,15 +308,55 @@ find_device () {
- tmp_fname=`df $1/ | sed -n 's%.*\(/dev/[^ ]*\).*%\1%p'`
-
- if test -z "$tmp_fname"; then
-- echo "Could not find device for $1" 2>&1
-+ echo "Could not find device for $1" 1>&2
- exit 1
- fi
-
-- tmp_fname=`resolve_symlink $tmp_fname`
-+ ret_fname=`resolve_symlink $tmp_fname` || exit 1
-+ tmp_fname=`find_mapper_device $ret_fname`
-+ if test -n "$tmp_fname"; then
-+ ret_fname="$tmp_fname"
-+ fi
-+
-+ echo "$ret_fname"
-+ return 0
-+}
-+
-+copy_images() {
-+ # Copy the GRUB images to the GRUB directory.
-+ for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do
-+ rm -f $file || exit 1
-+ done
-+ for file in \
-+ ${pkgdatadir}/stage1 ${pkgdatadir}/stage2 ${pkgdatadir}/*stage1_5; do
-+ cp -f $file ${grubdir} 1>&2 || exit 1
-+ done
-+}
-+
-+
-+dump_boot_block () {
-+ sync
-+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
-+dump ${root_drive}${tmp} ${img_file}
-+quit
-+EOF
-+}
-+
-+
-+install_boot_block () {
-+ # Before all invocations of the grub shell, call sync to make sure
-+ # the raw device is in sync with any bufferring in filesystems.
-+ sync
-
-- echo "$tmp_fname"
-+ # Now perform the installation.
-+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >>$log_file
-+root $1
-+setup $force_lba --stage2=$grubdir/stage2 --prefix=$grub_prefix $2
-+quit
-+EOF
- }
-
-+
- # Check the arguments.
- for option in "$@"; do
- case "$option" in
-@@ -247,6 +376,8 @@ for option in "$@"; do
- force_lba="--force-lba" ;;
- --recheck)
- recheck=yes ;;
-+ --just-copy)
-+ justcopy=yes ;;
- # This is an undocumented feature...
- --debug)
- debug=yes ;;
-@@ -265,12 +396,6 @@ for option in "$@"; do
- esac
- done
-
--if test "x$install_device" = x; then
-- echo "install_device not specified." 1>&2
-- usage
-- exit 1
--fi
--
- # If the debugging feature is enabled, print commands.
- if test $debug = yes; then
- set -x
-@@ -293,6 +418,26 @@ esac
- grubdir=${bootdir}/grub
- device_map=${grubdir}/device.map
-
-+if [ "$recheck" == "yes" ]; then
-+ if grep 'mapper' ${device_map} >/dev/null; then
-+ echo 'grub-install does not support reprobing of device.map when' 1>&2
-+ echo 'using a device-mapper based boot device.' 1>&2
-+ exit 1
-+ fi
-+fi
-+
-+# if they just want the images copied, copy the images and then exit
-+if test $justcopy = yes; then
-+ copy_images
-+ exit 0
-+fi
-+
-+if test "x$install_device" = x; then
-+ echo "install_device not specified." 1>&2
-+ usage
-+ exit 1
-+fi
-+
- # Check if GRUB is installed.
- # This is necessary, because the user can specify "grub --read-only".
- set $grub_shell dummy
-@@ -303,17 +448,17 @@ else
- exit 1
- fi
-
--if test -f "$pkglibdir/stage1"; then
-+if test -f "$pkgdatadir/stage1"; then
- :
- else
-- echo "${pkglibdir}/stage1: Not found." 1>&2
-+ echo "${pkgdatadir}/stage1: Not found." 1>&2
- exit 1
- fi
-
--if test -f "$pkglibdir/stage2"; then
-+if test -f "$pkgdatadir/stage2"; then
- :
- else
-- echo "${pkglibdir}/stage2: Not found." 1>&2
-+ echo "${pkgdatadir}/stage2: Not found." 1>&2
- exit 1
- fi
-
-@@ -324,9 +469,11 @@ fi
- test -d "$bootdir" || mkdir "$bootdir" || exit 1
- test -d "$grubdir" || mkdir "$grubdir" || exit 1
-
-+copy_images
-+
- # If --recheck is specified, remove the device map, if present.
- if test $recheck = yes; then
-- rm -f $device_map
-+ mv $device_map ${device_map}.backup
- fi
-
- # Create the device map file if it is not present.
-@@ -336,6 +483,10 @@ else
- # Create a safe temporary file.
- test -n "$mklog" && log_file=`$mklog`
-
-+ # Before all invocations of the grub shell, call sync to make sure
-+ # the raw device is in sync with any bufferring in filesystems.
-+ sync
-+
- $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
- quit
- EOF
-@@ -351,34 +502,60 @@ fi
- tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \
- | sort | uniq -d | sed -n 1p`
- if test -n "$tmp"; then
-- echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2
-+ echo "The drive $tmp is defined multiple times in the new device map." 1>&2
-+ if test $recheck = yes; then
-+ echo "Reverting to backed up copy." 1>&2
-+ mv ${device_map}.backup $device_map
-+ fi
-+ exit 1
-+fi
-+
-+# Make sure device.map has at least one hd device
-+grep -q "^(hd[0-9]\+)" $device_map
-+if [ "x$?" != "x0" ]; then
-+ echo "No suitable drive was found in the generated device map." 1>&2
-+ if test $recheck = yes; then
-+ echo "Reverting to backed up copy." 1>&2
-+ mv ${device_map}.backup $device_map
-+ fi
- exit 1
- fi
-
- # Check for INSTALL_DEVICE.
- case "$install_device" in
- /dev/*)
-- install_device=`resolve_symlink "$install_device"`
-- install_drive=`convert "$install_device"`
-- # I don't know why, but some shells wouldn't die if exit is
-- # called in a function.
-- if test "x$install_drive" = x; then
-+ install_device=`resolve_symlink "$install_device"` || exit 1
-+ for install_drive in `find_real_devs $install_device` ; do
-+ install_drive=`convert $install_drive` || exit 1
-+ if is_raid1_device $install_device; then
-+ install_drive=`echo $install_drive | sed 's/,[0-9]*)/)/'`
-+ fi
-+ if [ "x$install_drive" = "x" ]; then
-+ exit 1
-+ fi
-+ install_drives="${install_drives} ${install_drive}"
-+ done
-+ unset install_drive
-+
-+ if test "x$install_drives" = x ; then
- exit 1
- fi ;;
- \([hf]d[0-9]*\))
-- install_drive="$install_device" ;;
-+ install_drives="$install_device" ;;
- [hf]d[0-9]*)
- # The GRUB format with no parenthesis.
-- install_drive="($install_device)" ;;
-+ install_drives="($install_device)" ;;
- *)
- echo "Format of install_device not recognized." 1>&2
- usage
- exit 1 ;;
- esac
-
-+unset install_device
-+
- # Get the root drive.
--root_device=`find_device ${rootdir}`
--bootdir_device=`find_device ${bootdir}`
-+root_device=`find_device ${rootdir}` || exit 1
-+bootdir_device=`find_device ${bootdir}` || exit 1
-
- # Check if the boot directory is in the same device as the root directory.
- if test "x$root_device" != "x$bootdir_device"; then
-@@ -387,15 +564,8 @@ if test "x$root_device" != "x$bootdir_device"; then
- grub_prefix="/grub"
- fi
-
--# Convert the root device to a GRUB drive.
--root_drive=`convert "$root_device"`
--if test "x$root_drive" = x; then
-- exit 1
--fi
--
--# Check if the root directory exists in the same device as the grub
--# directory.
--grubdir_device=`find_device ${grubdir}`
-+# Check if the root directory exists in the same device as the grub directory.
-+grubdir_device=`find_device ${grubdir}` || exit 1
-
- if test "x$grubdir_device" != "x$root_device"; then
- # For now, cannot deal with this situation.
-@@ -406,61 +576,71 @@ EOF
- exit 1
- fi
-
--# Copy the GRUB images to the GRUB directory.
--for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do
-- rm -f $file || exit 1
--done
--for file in \
-- ${pkglibdir}/stage1 ${pkglibdir}/stage2 ${pkglibdir}/*stage1_5; do
-- cp -f $file ${grubdir} || exit 1
--done
--
--# Make a default file.
--${grub_set_default} --root-directory=${rootdir} default
--
- # Make sure that GRUB reads the same images as the host OS.
- test -n "$mkimg" && img_file=`$mkimg`
- test -n "$mklog" && log_file=`$mklog`
-
-+# There's not a real root device, so just pick the first
-+if is_raid1_device $root_device ; then
-+ root_device=`find_real_devs $root_device | awk '{print $1}'`
-+fi
-+
-+# Convert the root deviceto a GRUB drive.
-+root_drive=`convert "$root_device"` || exit 1
-+if [ "x$root_drive" = x ]; then
-+ exit 1
-+fi
-+
- for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do
- count=5
- tmp=`echo $file | sed "s|^${grubdir}|${grub_prefix}|"`
- while test $count -gt 0; do
-- $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
--dump ${root_drive}${tmp} ${img_file}
--quit
--EOF
-- if grep "Error [0-9]*: " $log_file >/dev/null; then
-- :
-- elif cmp $file $img_file >/dev/null; then
-- break
-- fi
-- sleep 1
-- count=`expr $count - 1`
-+ dump_boot_block $root_drive $img_file
-+ if grep "Error [0-9]*: " $log_file >/dev/null; then
-+ :
-+ else
-+ # Use sha1sum instead of cmp to avoid a dependency on diffutils.
-+ sha1=`sha1sum $file | cut -d' ' -f 1`
-+ sha2=`sha1sum $img_file | cut -d' ' -f 1`
-+ if test -f $file -a -f $img_file -a "$sha1" = "$sha2"; then
-+ break
-+ fi
-+ fi
-+ sleep 1
-+ count=`expr $count - 1`
- done
- if test $count -eq 0; then
-- echo "The file $file not read correctly." 1>&2
-- exit 1
-+ echo "The file $file not read correctly." 1>&2
-+ exit 1
- fi
- done
-
- rm -f $img_file
- rm -f $log_file
-
-+if ! test -e ${grubdir}/grub.conf ; then
-+ test -e ${grubdir}/menu.lst && ln -s ./menu.lst ${grubdir}/grub.conf
-+fi
-+
- # Create a safe temporary file.
- test -n "$mklog" && log_file=`$mklog`
-
--# Now perform the installation.
--$grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
--root $root_drive
--setup $force_lba --stage2=$grubdir/stage2 --prefix=$grub_prefix $install_drive
--quit
--EOF
-+for install_drive in $install_drives; do
-+ # Convert the root deviceto a GRUB drive.
-+ root_drive=`convert "$root_device"` || exit 1
-+ if [ "x$root_drive" = x ]; then
-+ exit 1
-+ fi
-+ install_boot_block $root_drive $install_drive
-+done
-
--if grep "Error [0-9]*: " $log_file >/dev/null || test $debug = yes; then
-+if grep "Error [0-9]*: " $log_file >/dev/null ; then
- cat $log_file 1>&2
- exit 1
- fi
-+if test $debug = yes; then
-+ cat $log_file 1>&2
-+fi
-
- rm -f $log_file
-
diff --git a/src/patches/grub-gentoo-14.patch b/src/patches/grub-gentoo-14.patch
new file mode 100644
index 0000000..d2bb959
--- /dev/null
+++ b/src/patches/grub-gentoo-14.patch
@@ -0,0 +1,16087 @@
+diff -Nur grub-0.97/acinclude.m4 grub-0.97-patched/acinclude.m4
+--- grub-0.97/acinclude.m4 2004-04-27 22:48:06.000000000 +0200
++++ grub-0.97-patched/acinclude.m4 2012-11-11 17:07:12.710729053 +0100
+@@ -57,7 +57,7 @@
+ fi
+ grub_cv_prog_objcopy_absolute=yes
+ for link_addr in 2000 8000 7C00; do
+- if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr conftest.o -o conftest.exec]); then :
++ if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} ${LDFLAGS} -nostdlib -Wl,-N -Wl,-Ttext -Wl,$link_addr conftest.o -o conftest.exec]); then :
+ else
+ AC_MSG_ERROR([${CC-cc} cannot link at address $link_addr])
+ fi
+diff -Nur grub-0.97/ChangeLog grub-0.97-patched/ChangeLog
+--- grub-0.97/ChangeLog 2005-05-08 04:47:02.000000000 +0200
++++ grub-0.97-patched/ChangeLog 2012-11-11 17:07:12.708728989 +0100
+@@ -1,3 +1,127 @@
++2008-05-20 Robert Millan <rmh(a)aybabtu.com>
++
++ * netboot/cs89x0.c: Fix license violation.
++ * netboot/cs89x0.h: Likewise.
++
++2008-04-10 Pavel Roskin <proski(a)gnu.org>
++
++ * configure.ac: Always use "_cv_" in cache variables for
++ compatibility with Autoconf 2.62.
++
++2008-03-28 Robert Millan <rmh(a)aybabtu.com>
++
++ Surpass 1 TiB disk addressing limit. Note: there are no plans to handle
++ the 2 TiB disk limit in GRUB Legacy, since that would need considerable
++ rework. If you have >2TiB disks, use GRUB 2 instead.
++
++ * grub/asmstub.c (biosdisk): Add unsigned qualifier to `sector'.
++ * stage2/bios.c (biosdisk): Likewise.
++ * stage2/disk_io.c (rawread, devread, rawwrite, devwrite): Likewise.
++ * stage2/shared.h (rawread, devread, rawwrite, devwrite): Likewise.
++ * lib/device.c (get_drive_geometry): Replace BLKGETSIZE with
++ BLKGETSIZE64.
++
++2007-10-29 Pavel Roskin <proski(a)gnu.org>
++
++ * configure.ac: Test if '--build-id=none' is supported by the
++ linker and add it to LDFLAGS if possible. Build ID causes
++ objcopy to generate huge binary files.
++ * aclocal.m4 (grub_PROG_OBJCOPY_ABSOLUTE): Use LDFLAGS when
++ linking, so that build ID doesn't break the test.
++ * stage1/Makefile.am: Preserve LDFLAGS, use stage1_exec_LDFLAGS.
++
++2007-02-22 Pavel Roskin <proski(a)gnu.org>
++
++ * stage2/iso9660.h: Remove unnecessary packed attributes.
++
++2007-02-22 Robert Millan <rmh(a)aybabtu.com>
++
++ * util/mkbimage: Update my email address, and remove my name from
++ some places where unnecessary credit is given.
++
++2006-09-10 Pavel Roskin <proski(a)gnu.org>
++
++ * netboot/natsemi.c: Fix compile error with gcc 4.1.1. Cast
++ cannot make a variable volatile - it should be declared as such.
++ * netboot/sis900.c: Likewise.
++
++2006-09-08 Pavel Roskin <proski(a)gnu.org>
++
++ * netboot/etherboot.h: Remove incorrect extern declarations of
++ the variables later declared static. Move BOOTP_DATA_ADDR ...
++ * netboot/main.c: ... here. Eliminate end_of_rfc1533 - it's
++ write-only.
++
++2006-06-24 Yoshinori K. Okuji <okuji(a)enbug.org>
++
++ * docs/grub.texi: Changed the license term to the GNU Free
++ Documentation License 1.2.
++
++ * docs/multiboot.texi: Reformatted to show the license term
++ and the version number explicitly.
++
++ * docs/fdl.texi: New file.
++
++ * docs/Makefile.am (grub_TEXINFOS): Added fdl.texi.
++
++2006-06-24 Robert Millan <robertmh(a)gnu.org>
++
++ * lib/device.c (write_to_partition): /dev/ataraid/ and /dev/rd/
++ partitions have a "p" prefix. Add it.
++
++2006-06-24 Robert Millan <robertmh(a)gnu.org>
++
++ * lib/device.c (get_i2o_disk_name): New function.
++ (init_device_map) [__linux__]: Add support for I2O devices.
++
++2006-05-02 Pavel Roskin <proski(a)gnu.org>
++
++ * stage2/stage2.c (run_menu): Fix "savedefault" to save only top
++ level menu positions. Remember current position when calling a
++ submenu. Don't recalculate it when booting from a submenu.
++
++ * grub/main.c (main): Make sure the boot drive number doesn't
++ exceed 255.
++
++2006-05-02 Vesa Jaaskelainen <chaac(a)nic.fi>
++
++ * stage2/shared.h (vbe_mode): Back ported aligment fix from GRUB 2
++ to GRUB Legacy. Problem reported by Gerardo Richarte.
++
++2006-04-23 Robert Millan <robertmh(a)gnu.org>
++
++ * grub/asmstub.c (get_diskinfo): Optimize sysctl routine.
++
++2006-04-20 Robert Millan <robertmh(a)gnu.org>
++
++ Fixes for kernel of FreeBSD:
++ * grub/asmstub.c (get_diskinfo): Toggle "kern.geom.debugflags" sysctl
++ before opening a device for writing.
++ * util/grub-install.in: Devices don't have this "r" prefix anymore.
++
++2006-04-16 Yoshinori K. Okuji <okuji(a)enbug.org>
++
++ * docs/multiboot.texi: Correct the offset of address
++ fields. Reported by Jeroen Dekkers.
++
++2006-03-21 Yoshinori K. Okuji <okuji(a)enbug.org>
++
++ * stage2/builtins.c (setup_func): Specify the size of DEVICE to
++ grub_strncat instead of a strange number 256. Reported by Vitaly
++ Fertman <vitaly(a)namesys.com>.
++
++2005-09-29 Yoshinori K. Okuji <okuji(a)enbug.org>
++
++ * docs/multiboot.texi: Fix a bug in the byte order of
++ boot_device. I hope this won't affect any OS image.
++ Increased the version number to 0.6.94.
++
++2005-09-28 Yoshinori K. Okuji <okuji(a)enbug.org>
++
++ * stage2/boot.c (load_image): Even if an OS image is an ELF
++ object, use the a.out kludge if MULTIBOOT_AOUT_KLUDGE is
++ specified.
++
+ 2005-05-08 Yoshinori K. Okuji <okuji(a)enbug.org>
+
+ * configure.ac (AC_INIT): Upgraded to 0.97.
+diff -Nur grub-0.97/configure.ac grub-0.97-patched/configure.ac
+--- grub-0.97/configure.ac 2005-05-08 04:36:03.000000000 +0200
++++ grub-0.97-patched/configure.ac 2012-11-11 17:07:12.752730394 +0100
+@@ -21,8 +21,12 @@
+ AC_CANONICAL_HOST
+
+ case "$host_cpu" in
+-i[[3456]]86) host_cpu=i386 ;;
+-x86_64) host_cpu=x86_64 ;;
++i[[3456]]86)
++ STAGE_MARCH="-march=$host_cpu"
++ host_cpu=i386 ;;
++x86_64)
++ STAGE_MARCH="-march=i686"
++ host_cpu=x86_64 ;;
+ *) AC_MSG_ERROR([unsupported CPU type]) ;;
+ esac
+
+@@ -56,12 +60,7 @@
+
+ AC_CHECK_TOOL(CC, gcc)
+ AC_PROG_CC
+-# We need this for older versions of Autoconf.
+-_AM_DEPENDENCIES(CC)
+-
+-dnl Because recent automake complains about AS, set it here.
+-CCAS="$CC"
+-AC_SUBST(CCAS)
++AM_PROG_AS
+
+ AC_ARG_WITH(binutils,
+ [ --with-binutils=DIR search the directory DIR to find binutils])
+@@ -86,13 +85,13 @@
+ fi
+ STAGE1_CFLAGS="-O2"
+ GRUB_CFLAGS="-O2"
+- AC_CACHE_CHECK([whether optimization for size works], size_flag, [
++ AC_CACHE_CHECK([whether optimization for size works], grub_cv_cc_Os, [
+ saved_CFLAGS=$CFLAGS
+ CFLAGS="-Os -g"
+- AC_TRY_COMPILE(, , size_flag=yes, size_flag=no)
++ AC_TRY_COMPILE(, , grub_cv_cc_Os=yes, grub_cv_cc_Os=no)
+ CFLAGS=$saved_CFLAGS
+ ])
+- if test "x$size_flag" = xyes; then
++ if test "x$grub_cv_cc_Os" = xyes; then
+ STAGE2_CFLAGS="-Os"
+ else
+ STAGE2_CFLAGS="-O2 -fno-strength-reduce -fno-unroll-loops"
+@@ -100,21 +99,38 @@
+ # OpenBSD has a GCC extension for protecting applications from
+ # stack smashing attacks, but GRUB doesn't want this feature.
+ AC_CACHE_CHECK([whether gcc has -fno-stack-protector],
+- no_stack_protector_flag, [
++ grub_cv_cc_no_stack_protector, [
+ saved_CFLAGS=$CFLAGS
+ CFLAGS="-fno-stack-protector"
+ AC_TRY_COMPILE(,
+ ,
+- no_stack_protector_flag=yes,
+- no_stack_protector_flag=no)
++ grub_cv_cc_no_stack_protector=yes,
++ grub_cv_cc_no_stack_protector=no)
+ CFLAGS=$saved_CFLAGS
+ ])
+- if test "x$no_stack_protector_flag" = xyes; then
++ if test "x$grub_cv_cc_no_stack_protector" = xyes; then
+ STAGE2_CFLAGS="$STAGE2_CFLAGS -fno-stack-protector"
+ fi
++ # Position Independent Executables, but GRUB doesn't want this feature.
++ AC_CACHE_CHECK([whether gcc has -fPIE on as default], grub_cv_cc_fpie, [
++ AC_TRY_COMPILE(,[
++ #if ! defined (__PIC__) || ! defined (__PIE__)
++ #error
++ #endif
++ ],
++ grub_cv_cc_fpie=yes,
++ grub_cv_cc_fpie=no)
++ ])
++ if test "x$grub_cv_cc_fpie" = xyes; then
++ STAGE1_CFLAGS="$STAGE1_CFLAGS -nopie"
++ STAGE2_CFLAGS="$STAGE2_CFLAGS -nopie"
++ fi
+ fi
+ fi
+
++STAGE1_CFLAGS="$STAGE1_CFLAGS -fno-strict-aliasing $STAGE_MARCH"
++STAGE2_CFLAGS="$STAGE2_CFLAGS -fno-strict-aliasing $STAGE_MARCH"
++GRUB_CFLAGS="$GRUB_CFLAGS -fno-strict-aliasing"
+ AC_SUBST(STAGE1_CFLAGS)
+ AC_SUBST(STAGE2_CFLAGS)
+ AC_SUBST(GRUB_CFLAGS)
+@@ -123,33 +139,44 @@
+ CPPFLAGS="$CPPFLAGS -Wall -Wmissing-prototypes -Wunused -Wshadow"
+ CPPFLAGS="$CPPFLAGS -Wpointer-arith"
+
+-AC_CACHE_CHECK([whether -Wundef works], undef_flag, [
++AC_CACHE_CHECK([whether -Wundef works], grub_cv_cc_Wundef, [
+ saved_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="-Wundef"
+- AC_TRY_COMPILE(, , undef_flag=yes, undef_flag=no)
++ AC_TRY_COMPILE(, , grub_cv_cc_Wundef=yes, grub_cv_cc_Wundef=no)
+ CPPFLAGS="$saved_CPPFLAGS"
+ ])
+
+ # The options `-falign-*' are supported by gcc 3.0 or later.
+ # Probably it is sufficient to only check for -falign-loops.
+-AC_CACHE_CHECK([whether -falign-loops works], [falign_loop_flag], [
++AC_CACHE_CHECK([whether -falign-loops works], [grub_cv_cc_falign_loop], [
+ saved_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="-falign-loops=1"
+- AC_TRY_COMPILE(, , [falign_loop_flag=yes], [falign_loop_flag=no])
++ AC_TRY_COMPILE(, , [grub_cv_cc_falign_loop=yes], [grub_cv_cc_falign_loop=no])
+ CPPFLAGS="$saved_CPPFLAGS"
+ ])
+
+ # Force no alignment to save space.
+-if test "x$falign_loop_flag" = xyes; then
++if test "x$grub_cv_cc_falign_loop" = xyes; then
+ CPPFLAGS="$CPPFLAGS -falign-jumps=1 -falign-loops=1 -falign-functions=1"
+ else
+ CPPFLAGS="$CPPFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
+ fi
+
+-if test "x$undef_flag" = xyes; then
++if test "x$grub_cv_cc_Wundef" = xyes; then
+ CPPFLAGS="$CPPFLAGS -Wundef"
+ fi
+
++# Check if build ID can be disabled in the linker
++AC_MSG_CHECKING([whether linker accepts `--build-id=none'])
++save_LDFLAGS="$LDFLAGS"
++LDFLAGS="$LDFLAGS -Wl,--build-id=none"
++AC_TRY_LINK(, , build_id_flag=yes, build_id_flag=no)
++AC_MSG_RESULT([$build_id_flag])
++LDFLAGS="$save_LDFLAGS"
++if test "x$build_id_flag" = xyes; then
++ LDFLAGS="$LDFLAGS -Wl,--build-id=none"
++fi
++
+ if test "x$with_binutils" != x; then
+ dnl AC_PATH_TOOL(OBJCOPY, objcopy, , "$with_binutils:$PATH")
+ AC_PATH_PROG(OBJCOPY, objcopy, , "$with_binutils:$PATH")
+@@ -595,6 +622,11 @@
+ [ --enable-diskless enable diskless support])
+ AM_CONDITIONAL(DISKLESS_SUPPORT, test "x$enable_diskless" = xyes)
+
++dnl Graphical splashscreen support
++AC_ARG_ENABLE(graphics,
++ [ --disable-graphics disable graphics terminal support])
++AM_CONDITIONAL(GRAPHICS_SUPPORT, test "x$enable_graphics" != xno)
++
+ dnl Hercules terminal
+ AC_ARG_ENABLE(hercules,
+ [ --disable-hercules disable hercules terminal support])
+diff -Nur grub-0.97/docs/fdl.texi grub-0.97-patched/docs/fdl.texi
+--- grub-0.97/docs/fdl.texi 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/docs/fdl.texi 2012-11-11 17:07:12.712729117 +0100
+@@ -0,0 +1,452 @@
++
++@node GNU Free Documentation License
++@appendixsec GNU Free Documentation License
++
++@cindex FDL, GNU Free Documentation License
++@center Version 1.2, November 2002
++
++@display
++Copyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc.
++51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
++
++Everyone is permitted to copy and distribute verbatim copies
++of this license document, but changing it is not allowed.
++@end display
++
++@enumerate 0
++@item
++PREAMBLE
++
++The purpose of this License is to make a manual, textbook, or other
++functional and useful document @dfn{free} in the sense of freedom: to
++assure everyone the effective freedom to copy and redistribute it,
++with or without modifying it, either commercially or noncommercially.
++Secondarily, this License preserves for the author and publisher a way
++to get credit for their work, while not being considered responsible
++for modifications made by others.
++
++This License is a kind of ``copyleft'', which means that derivative
++works of the document must themselves be free in the same sense. It
++complements the GNU General Public License, which is a copyleft
++license designed for free software.
++
++We have designed this License in order to use it for manuals for free
++software, because free software needs free documentation: a free
++program should come with manuals providing the same freedoms that the
++software does. But this License is not limited to software manuals;
++it can be used for any textual work, regardless of subject matter or
++whether it is published as a printed book. We recommend this License
++principally for works whose purpose is instruction or reference.
++
++@item
++APPLICABILITY AND DEFINITIONS
++
++This License applies to any manual or other work, in any medium, that
++contains a notice placed by the copyright holder saying it can be
++distributed under the terms of this License. Such a notice grants a
++world-wide, royalty-free license, unlimited in duration, to use that
++work under the conditions stated herein. The ``Document'', below,
++refers to any such manual or work. Any member of the public is a
++licensee, and is addressed as ``you''. You accept the license if you
++copy, modify or distribute the work in a way requiring permission
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++
++A ``Modified Version'' of the Document means any work containing the
++Document or a portion of it, either copied verbatim, or with
++modifications and/or translated into another language.
++
++A ``Secondary Section'' is a named appendix or a front-matter section
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++
++The ``Invariant Sections'' are certain Secondary Sections whose titles
++are designated, as being those of Invariant Sections, in the notice
++that says that the Document is released under this License. If a
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++
++The ``Cover Texts'' are certain short passages of text that are listed,
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++
++A ``Transparent'' copy of the Document means a machine-readable copy,
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++
++The ``Title Page'' means, for a printed book, the title page itself,
++plus such following pages as are needed to hold, legibly, the material
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++
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++
++@item
++VERBATIM COPYING
++
++You may copy and distribute the Document in any medium, either
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++@item
++COPYING IN QUANTITY
++
++If you publish printed copies (or copies in media that commonly have
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++
++@item
++MODIFICATIONS
++
++You may copy and distribute a Modified Version of the Document under
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++
++@enumerate A
++@item
++Use in the Title Page (and on the covers, if any) a title distinct
++from that of the Document, and from those of previous versions
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++
++@item
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++Modified Version, as the publisher.
++
++@item
++Preserve all the copyright notices of the Document.
++
++@item
++Add an appropriate copyright notice for your modifications
++adjacent to the other copyright notices.
++
++@item
++Include, immediately after the copyright notices, a license notice
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++
++@item
++Preserve in that license notice the full lists of Invariant Sections
++and required Cover Texts given in the Document's license notice.
++
++@item
++Include an unaltered copy of this License.
++
++@item
++Preserve the section Entitled ``History'', Preserve its Title, and add
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++
++@item
++Preserve the network location, if any, given in the Document for
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++
++@item
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++
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++Delete any section Entitled ``Endorsements''. Such a section
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++@item
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++to conflict in title with any Invariant Section.
++
++@item
++Preserve any Warranty Disclaimers.
++@end enumerate
++
++If the Modified Version includes new front-matter sections or
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++nothing but endorsements of your Modified Version by various
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++been approved by an organization as the authoritative definition of a
++standard.
++
++You may add a passage of up to five words as a Front-Cover Text, and a
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++you may not add another; but you may replace the old one, on explicit
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++
++The author(s) and publisher(s) of the Document do not by this License
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++imply endorsement of any Modified Version.
++
++@item
++COMBINING DOCUMENTS
++
++You may combine the Document with other documents released under this
++License, under the terms defined in section 4 above for modified
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++Invariant Sections of all of the original documents, unmodified, and
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++license notice, and that you preserve all their Warranty Disclaimers.
++
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++multiple identical Invariant Sections may be replaced with a single
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++Make the same adjustment to the section titles in the list of
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++
++In the combination, you must combine any sections Entitled ``History''
++in the various original documents, forming one section Entitled
++``History''; likewise combine any sections Entitled ``Acknowledgements'',
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++sections Entitled ``Endorsements.''
++
++@item
++COLLECTIONS OF DOCUMENTS
++
++You may make a collection consisting of the Document and other documents
++released under this License, and replace the individual copies of this
++License in the various documents with a single copy that is included in
++the collection, provided that you follow the rules of this License for
++verbatim copying of each of the documents in all other respects.
++
++You may extract a single document from such a collection, and distribute
++it individually under this License, provided you insert a copy of this
++License into the extracted document, and follow this License in all
++other respects regarding verbatim copying of that document.
++
++@item
++AGGREGATION WITH INDEPENDENT WORKS
++
++A compilation of the Document or its derivatives with other separate
++and independent documents or works, in or on a volume of a storage or
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++When the Document is included in an aggregate, this License does not
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++derivative works of the Document.
++
++If the Cover Text requirement of section 3 is applicable to these
++copies of the Document, then if the Document is less than one half of
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++electronic equivalent of covers if the Document is in electronic form.
++Otherwise they must appear on printed covers that bracket the whole
++aggregate.
++
++@item
++TRANSLATION
++
++Translation is considered a kind of modification, so you may
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++Replacing Invariant Sections with translations requires special
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++translation of this License, and all the license notices in the
++Document, and any Warranty Disclaimers, provided that you also include
++the original English version of this License and the original versions
++of those notices and disclaimers. In case of a disagreement between
++the translation and the original version of this License or a notice
++or disclaimer, the original version will prevail.
++
++If a section in the Document is Entitled ``Acknowledgements'',
++``Dedications'', or ``History'', the requirement (section 4) to Preserve
++its Title (section 1) will typically require changing the actual
++title.
++
++@item
++TERMINATION
++
++You may not copy, modify, sublicense, or distribute the Document except
++as expressly provided for under this License. Any other attempt to
++copy, modify, sublicense or distribute the Document is void, and will
++automatically terminate your rights under this License. However,
++parties who have received copies, or rights, from you under this
++License will not have their licenses terminated so long as such
++parties remain in full compliance.
++
++@item
++FUTURE REVISIONS OF THIS LICENSE
++
++The Free Software Foundation may publish new, revised versions
++of the GNU Free Documentation License from time to time. Such new
++versions will be similar in spirit to the present version, but may
++differ in detail to address new problems or concerns. See
++@uref{http://www.gnu.org/copyleft/}.
++
++Each version of the License is given a distinguishing version number.
++If the Document specifies that a particular numbered version of this
++License ``or any later version'' applies to it, you have the option of
++following the terms and conditions either of that specified version or
++of any later version that has been published (not as a draft) by the
++Free Software Foundation. If the Document does not specify a version
++number of this License, you may choose any version ever published (not
++as a draft) by the Free Software Foundation.
++@end enumerate
++
++@page
++@appendixsubsec ADDENDUM: How to use this License for your documents
++
++To use this License in a document you have written, include a copy of
++the License in the document and put the following copyright and
++license notices just after the title page:
++
++@smallexample
++@group
++ Copyright (C) @var{year} @var{your name}.
++ Permission is granted to copy, distribute and/or modify this document
++ under the terms of the GNU Free Documentation License, Version 1.2
++ or any later version published by the Free Software Foundation;
++ with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
++ Texts. A copy of the license is included in the section entitled ``GNU
++ Free Documentation License''.
++@end group
++@end smallexample
++
++If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
++replace the ``with...Texts.'' line with this:
++
++@smallexample
++@group
++ with the Invariant Sections being @var{list their titles}, with
++ the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
++ being @var{list}.
++@end group
++@end smallexample
++
++If you have Invariant Sections without Cover Texts, or some other
++combination of the three, merge those two alternatives to suit the
++situation.
++
++If your document contains nontrivial examples of program code, we
++recommend releasing these examples in parallel under your choice of
++free software license, such as the GNU General Public License,
++to permit their use in free software.
++
++@c Local Variables:
++@c ispell-local-pdict: "ispell-dict"
++@c End:
++
+diff -Nur grub-0.97/docs/grub.8 grub-0.97-patched/docs/grub.8
+--- grub-0.97/docs/grub.8 2005-05-08 04:48:56.000000000 +0200
++++ grub-0.97-patched/docs/grub.8 2012-11-11 17:07:12.715729211 +0100
+@@ -1,5 +1,5 @@
+ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
+-.TH GRUB "8" "May 2005" "grub (GNU GRUB 0.97)" FSF
++.TH GRUB "8" "June 2006" "grub (GNU GRUB 0.97)" FSF
+ .SH NAME
+ grub \- the grub shell
+ .SH SYNOPSIS
+diff -Nur grub-0.97/docs/grub.8.additions grub-0.97-patched/docs/grub.8.additions
+--- grub-0.97/docs/grub.8.additions 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/docs/grub.8.additions 2012-11-11 17:07:12.702728798 +0100
+@@ -0,0 +1,3 @@
++[SEE ALSO]
++.BR update-grub (8),
++.BR grub-install (8).
+diff -Nur grub-0.97/docs/grub-install.8 grub-0.97-patched/docs/grub-install.8
+--- grub-0.97/docs/grub-install.8 2005-05-08 04:48:56.000000000 +0200
++++ grub-0.97-patched/docs/grub-install.8 2012-11-11 17:07:12.713729149 +0100
+@@ -1,5 +1,5 @@
+ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
+-.TH GRUB-INSTALL "8" "May 2005" "grub-install (GNU GRUB 0.97)" FSF
++.TH GRUB-INSTALL "8" "June 2006" "grub-install (GNU GRUB 0.97)" FSF
+ .SH NAME
+ grub-install \- install GRUB on your drive
+ .SH SYNOPSIS
+diff -Nur grub-0.97/docs/grub-install.8.additions grub-0.97-patched/docs/grub-install.8.additions
+--- grub-0.97/docs/grub-install.8.additions 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/docs/grub-install.8.additions 2012-11-11 17:07:12.703728829 +0100
+@@ -0,0 +1,3 @@
++[SEE ALSO]
++.BR grub (8),
++.BR update-grub (8).
+diff -Nur grub-0.97/docs/grub-md5-crypt.8 grub-0.97-patched/docs/grub-md5-crypt.8
+--- grub-0.97/docs/grub-md5-crypt.8 2005-05-08 04:48:56.000000000 +0200
++++ grub-0.97-patched/docs/grub-md5-crypt.8 2012-11-11 17:07:12.713729149 +0100
+@@ -1,5 +1,5 @@
+ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
+-.TH GRUB-MD5-CRYPT "8" "May 2005" "grub-md5-crypt (GNU GRUB )" FSF
++.TH GRUB-MD5-CRYPT "8" "June 2006" "grub-md5-crypt (GNU GRUB )" FSF
+ .SH NAME
+ grub-md5-crypt \- Encrypt a password in MD5 format
+ .SH SYNOPSIS
+diff -Nur grub-0.97/docs/grub-terminfo.8 grub-0.97-patched/docs/grub-terminfo.8
+--- grub-0.97/docs/grub-terminfo.8 2005-05-08 04:48:56.000000000 +0200
++++ grub-0.97-patched/docs/grub-terminfo.8 2012-11-11 17:07:12.714729180 +0100
+@@ -1,5 +1,5 @@
+ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
+-.TH GRUB-TERMINFO "8" "May 2005" "grub-terminfo (GNU GRUB 0.97)" FSF
++.TH GRUB-TERMINFO "8" "June 2006" "grub-terminfo (GNU GRUB 0.97)" FSF
+ .SH NAME
+ grub-terminfo \- Generate a terminfo command from a terminfo name
+ .SH SYNOPSIS
+diff -Nur grub-0.97/docs/grub.texi grub-0.97-patched/docs/grub.texi
+--- grub-0.97/docs/grub.texi 2005-05-08 04:59:59.000000000 +0200
++++ grub-0.97-patched/docs/grub.texi 2012-11-11 17:07:12.717729276 +0100
+@@ -2,22 +2,41 @@
+ @c -*-texinfo-*-
+ @c %**start of header
+ @setfilename grub.info
+-@settitle GRUB Manual
+-@c %**end of header
+-
+ @include version.texi
+-
++@settitle GNU GRUB Manual @value{VERSION}
+ @c Unify all our little indices for now.
+ @syncodeindex fn cp
+ @syncodeindex vr cp
+ @syncodeindex ky cp
+ @syncodeindex pg cp
+ @syncodeindex tp cp
++@c %**end of header
+
+ @footnotestyle separate
+ @paragraphindent 3
+ @finalout
+
++@copying
++This manual is for GNU GRUB (version @value{VERSION},
++@value{UPDATED}).
++
++Copyright @copyright{} 1999,2000,2001,2002,2004,2006 Free Software Foundation, Inc.
++
++@quotation
++Permission is granted to copy, distribute and/or modify this document
++under the terms of the GNU Free Documentation License, Version 1.2 or
++any later version published by the Free Software Foundation; with no
++Invariant Sections, with the Front-Cover Texts being ``A GNU Manual,''
++and with the Back-Cover Texts as in (a) below. A copy of the
++license is included in the section entitled ``GNU Free Documentation
++License.''
++
++(a) The FSF's Back-Cover Text is: ``You have freedom to copy and modify
++this GNU Manual, like GNU software. Copies published by the Free
++Software Foundation raise funds for GNU development.''
++@end quotation
++@end copying
++
+ @dircategory Kernel
+ @direntry
+ * GRUB: (grub). The GRand Unified Bootloader
+@@ -34,53 +53,16 @@
+
+ @setchapternewpage odd
+
+-@ifinfo
+-Copyright @copyright{} 1999,2000,2001,2002,2004 Free Software Foundation, Inc.
+-
+-Permission is granted to make and distribute verbatim copies of
+-this manual provided the copyright notice and this permission notice
+-are preserved on all copies.
+-
+-@ignore
+-Permission is granted to process this file through TeX and print the
+-results, provided the printed document carries a copying permission
+-notice identical to this one except for the removal of this paragraph
+-(this paragraph not being relevant to the printed manual).
+-
+-@end ignore
+-
+-Permission is granted to copy and distribute modified versions of this
+-manual under the conditions for verbatim copying, provided also that
+-the entire resulting derived work is distributed under the terms of a
+-permission notice identical to this one.
+-
+-Permission is granted to copy and distribute translations of this manual
+-into another language, under the above conditions for modified versions.
+-@end ifinfo
+-
+ @titlepage
+ @sp 10
+-@title the GRUB manual
++@title the GNU GRUB manual
+ @subtitle The GRand Unified Bootloader, version @value{VERSION}, @value{UPDATED}.
+ @author Gordon Matzigkeit
+ @author Yoshinori K. Okuji
+ @c The following two commands start the copyright page.
+ @page
+ @vskip 0pt plus 1filll
+-Copyright @copyright{} 1999,2000,2001,2002,2004 Free Software Foundation, Inc.
+-
+-Permission is granted to make and distribute verbatim copies of
+-this manual provided the copyright notice and this permission notice
+-are preserved on all copies.
+-Permission is granted to copy and distribute modified versions of this
+-manual under the conditions for verbatim copying, provided that the entire
+-resulting derived work is distributed under the terms of a permission
+-notice identical to this one.
+-
+-Permission is granted to copy and distribute translations of this manual
+-into another language, under the above conditions for modified versions,
+-except that this permission notice may be stated in a translation approved
+-by Free Software Foundation.
++@insertcopying
+ @end titlepage
+
+ @c Output the table of contents at the beginning.
+@@ -91,12 +73,14 @@
+
+ @ifnottex
+ @node Top
+-@top GRUB manual
++@top GNU GRUB manual
+
+ This is the documentation of GNU GRUB, the GRand Unified Bootloader,
+ a flexible and powerful boot loader program for @sc{pc}s.
+
+ This edition documents version @value{VERSION}.
++
++@insertcopying
+ @end ifnottex
+
+ @menu
+@@ -124,6 +108,7 @@
+ * Reporting bugs:: Where you should send a bug report
+ * Future:: Some future plans on GRUB
+ * Internals:: Hacking GRUB
++* Copying This Manual:: Copying This Manual
+ * Index::
+ @end menu
+
+@@ -3965,6 +3950,16 @@
+ @include internals.texi
+
+
++@node Copying This Manual
++@appendix Copying This Manual
++
++@menu
++* GNU Free Documentation License:: License for copying this manual.
++@end menu
++
++@include fdl.texi
++
++
+ @node Index
+ @unnumbered Index
+
+diff -Nur grub-0.97/docs/help2man grub-0.97-patched/docs/help2man
+--- grub-0.97/docs/help2man 2003-07-09 13:45:36.000000000 +0200
++++ grub-0.97-patched/docs/help2man 2012-11-11 17:07:12.701728766 +0100
+@@ -455,7 +455,9 @@
+ $include{$sect} .= <<EOT;
+ The full documentation for
+ .B $program
+-is maintained as a Texinfo manual. If the
++is maintained as a Texinfo manual in the
++.B grub-doc
++package. If the
+ .B info
+ and
+ .B $program
+diff -Nur grub-0.97/docs/Makefile.am grub-0.97-patched/docs/Makefile.am
+--- grub-0.97/docs/Makefile.am 2003-07-09 13:45:35.000000000 +0200
++++ grub-0.97-patched/docs/Makefile.am 2012-11-11 17:07:12.711729085 +0100
+@@ -1,5 +1,5 @@
+ info_TEXINFOS = grub.texi multiboot.texi
+-grub_TEXINFOS = internals.texi
++grub_TEXINFOS = internals.texi fdl.texi
+ EXAMPLES = boot.S kernel.c multiboot.h
+ multiboot_TEXINFOS = boot.S.texi kernel.c.texi multiboot.h.texi
+ man_MANS = grub.8 mbchk.1 grub-install.8 grub-md5-crypt.8 grub-terminfo.8
+@@ -37,14 +37,14 @@
+ $(SHELL) $(srcdir)/$(SRC2TEXI) $(srcdir) $< $@
+
+ if MAINTAINER_MODE
+-$(srcdir)/grub.8: ../grub/grub $(srcdir)/$(HELP2MAN)
++$(srcdir)/grub.8: ../grub/grub $(srcdir)/$(HELP2MAN) $(srcdir)/grub.8.additions
+ $(PERL) $(srcdir)/$(HELP2MAN) --name="the grub shell" \
+- --section=8 --output=$@ $<
++ --section=8 --include=$@.additions --output=$@ $<
+
+-$(srcdir)/grub-install.8: ../util/grub-install $(srcdir)/$(HELP2MAN)
++$(srcdir)/grub-install.8: ../util/grub-install $(srcdir)/$(HELP2MAN) $(srcdir)/grub-install.8.additions
+ chmod 755 $<
+ $(PERL) $(srcdir)/$(HELP2MAN) --name="install GRUB on your drive" \
+- --section=8 --output=$@ $<
++ --section=8 --include=$@.additions --output=$@ $<
+
+ $(srcdir)/mbchk.1: ../util/mbchk $(srcdir)/$(HELP2MAN)
+ $(PERL) $(srcdir)/$(HELP2MAN) \
+diff -Nur grub-0.97/docs/mbchk.1 grub-0.97-patched/docs/mbchk.1
+--- grub-0.97/docs/mbchk.1 2005-05-08 04:48:56.000000000 +0200
++++ grub-0.97-patched/docs/mbchk.1 2012-11-11 17:07:12.717729276 +0100
+@@ -1,5 +1,5 @@
+ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
+-.TH MBCHK "1" "May 2005" "mbchk (GNU GRUB 0.97)" FSF
++.TH MBCHK "1" "June 2006" "mbchk (GNU GRUB 0.97)" FSF
+ .SH NAME
+ mbchk \- check the format of a Multiboot kernel
+ .SH SYNOPSIS
+diff -Nur grub-0.97/docs/menu.lst grub-0.97-patched/docs/menu.lst
+--- grub-0.97/docs/menu.lst 2004-05-11 14:11:17.000000000 +0200
++++ grub-0.97-patched/docs/menu.lst 2012-11-11 17:07:07.225553829 +0100
+@@ -11,6 +11,9 @@
+ # Fallback to the second entry.
+ fallback 1
+
++# Splash image to show behind grub.
++splashimage=(hd0,0)/boot/grub/splash.xpm.gz
++
+ # For booting GNU/Hurd
+ title GNU/Hurd
+ root (hd0,0)
+@@ -23,6 +26,11 @@
+ kernel /vmlinuz root=/dev/hdb1
+ #initrd /initrd.img
+
++# For booting Gentoo with the static rescue shell
++title Gentoo (rescue shell)
++root (hd1,0)
++kernel /vmlinuz root=/dev/hdb1 init=/bin/bb
++
+ # For booting GNU/kFreeBSD
+ title GNU/kFreeBSD
+ root (hd0,2,a)
+diff -Nur grub-0.97/docs/menu.lst.orig grub-0.97-patched/docs/menu.lst.orig
+--- grub-0.97/docs/menu.lst.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/docs/menu.lst.orig 2004-05-11 14:11:17.000000000 +0200
+@@ -0,0 +1,82 @@
++#
++# Sample boot menu configuration file
++#
++
++# Boot automatically after 30 secs.
++timeout 30
++
++# By default, boot the first entry.
++default 0
++
++# Fallback to the second entry.
++fallback 1
++
++# For booting GNU/Hurd
++title GNU/Hurd
++root (hd0,0)
++kernel /boot/gnumach.gz root=hd0s1
++module /boot/serverboot.gz
++
++# For booting GNU/Linux
++title GNU/Linux
++root (hd1,0)
++kernel /vmlinuz root=/dev/hdb1
++#initrd /initrd.img
++
++# For booting GNU/kFreeBSD
++title GNU/kFreeBSD
++root (hd0,2,a)
++kernel /boot/loader.gz
++
++# For booting GNU/kNetBSD
++title GNU/kNetBSD
++root (hd0,2,a)
++kernel --type=netbsd /boot/knetbsd.gz
++
++# For booting Mach (getting kernel from floppy)
++title Utah Mach4 multiboot
++root (hd0,2)
++pause Insert the diskette now!!
++kernel (fd0)/boot/kernel root=hd0s3
++module (fd0)/boot/bootstrap
++
++# For booting FreeBSD
++title FreeBSD
++root (hd0,2,a)
++kernel /boot/loader
++
++# For booting NetBSD
++title NetBSD
++root (hd0,2,a)
++kernel --type=netbsd /netbsd
++
++# For booting OpenBSD
++title OpenBSD
++root (hd0,2,a)
++kernel --type=netbsd /bsd
++
++# For booting OS/2
++title OS/2
++root (hd0,1)
++makeactive
++# chainload OS/2 bootloader from the first sector
++chainloader +1
++# This is similar to "chainload", but loads a specific file
++#chainloader /boot/chain.os2
++
++# For booting Windows NT or Windows95
++title Windows NT / Windows 95 boot menu
++rootnoverify (hd0,0)
++makeactive
++chainloader +1
++# For loading DOS if Windows NT is installed
++# chainload /bootsect.dos
++
++# For installing GRUB into the hard disk
++title Install GRUB into the hard disk
++root (hd0,0)
++setup (hd0)
++
++# Change the colors.
++title Change the colors
++color light-green/brown blink-red/blue
+diff -Nur grub-0.97/docs/multiboot.texi grub-0.97-patched/docs/multiboot.texi
+--- grub-0.97/docs/multiboot.texi 2003-07-09 13:45:36.000000000 +0200
++++ grub-0.97-patched/docs/multiboot.texi 2012-11-11 17:07:12.718729309 +0100
+@@ -1,32 +1,28 @@
+ \input texinfo @c -*-texinfo-*-
+-@c -*-texinfo-*-
+ @c %**start of header
+ @setfilename multiboot.info
+-@settitle Multiboot Specification
+-@c %**end of header
+-
++@set VERSION 0.6.95
++@settitle Multiboot Specification version @value{VERSION}
+ @c Unify all our little indices for now.
+ @syncodeindex fn cp
+ @syncodeindex vr cp
+ @syncodeindex ky cp
+ @syncodeindex pg cp
+ @syncodeindex tp cp
++@c %**end of header
+
+ @footnotestyle separate
+ @paragraphindent 3
+ @finalout
+
++@copying
++Copyright @copyright{} 1995,96 Bryan Ford <baford@@cs.utah.edu>
+
+-@dircategory Kernel
+-@direntry
+-* Multiboot Specification: (multiboot). Multiboot Specification.
+-@end direntry
++Copyright @copyright{} 1995,96 Erich Stefan Boleyn <erich@@uruk.org>
+
+-@ifinfo
+-Copyright @copyright{} 1995, 96 Bryan Ford <baford@@cs.utah.edu>
+-Copyright @copyright{} 1995, 96 Erich Stefan Boleyn <erich@@uruk.org>
+-Copyright @copyright{} 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
++Copyright @copyright{} 1999,2000,2001,2002,2005,2006 Free Software Foundation, Inc.
+
++@quotation
+ Permission is granted to make and distribute verbatim copies of
+ this manual provided the copyright notice and this permission notice
+ are preserved on all copies.
+@@ -36,7 +32,6 @@
+ results, provided the printed document carries a copying permission
+ notice identical to this one except for the removal of this paragraph
+ (this paragraph not being relevant to the printed manual).
+-
+ @end ignore
+
+ Permission is granted to copy and distribute modified versions of this
+@@ -45,31 +40,23 @@
+ permission notice identical to this one.
+
+ Permission is granted to copy and distribute translations of this manual
+-into another language, under the above conditions for modified versions.
+-@end ifinfo
++into another language, under the above conditions for modified
++versions.
++@end quotation
++@end copying
++
++@dircategory Kernel
++@direntry
++* Multiboot Specification: (multiboot). Multiboot Specification.
++@end direntry
+
+ @titlepage
+ @sp 10
+-@title The Multiboot Specification
++@title The Multiboot Specification version @value{VERSION}
+ @author Yoshinori K. Okuji, Bryan Ford, Erich Stefan Boleyn, Kunihiro Ishiguro
+ @page
+-
+ @vskip 0pt plus 1filll
+-Copyright @copyright{} 1995, 96 Bryan Ford <baford@@cs.utah.edu>
+-Copyright @copyright{} 1995, 96 Erich Stefan Boleyn <erich@@uruk.org>
+-Copyright @copyright{} 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+-
+-Permission is granted to make and distribute verbatim copies of
+-this manual provided the copyright notice and this permission notice
+-are preserved on all copies.
+-
+-Permission is granted to copy and distribute modified versions of this
+-manual under the conditions for verbatim copying, provided also that
+-the entire resulting derived work is distributed under the terms of a
+-permission notice identical to this one.
+-
+-Permission is granted to copy and distribute translations of this manual
+-into another language, under the above conditions for modified versions.
++@insertcopying
+ @end titlepage
+
+ @finalout
+@@ -80,7 +67,9 @@
+ @top Multiboot Specification
+
+ This file documents Multiboot Specification, the proposal for the boot
+-sequence standard. This edition documents version 0.6.93.
++sequence standard. This edition documents version @value{VERSION}.
++
++@insertcopying
+ @end ifnottex
+
+ @menu
+@@ -426,7 +415,7 @@
+ kernel.
+
+ If bit 16 in the @samp{flags} word is set, then the fields at offsets
+-8-24 in the Multiboot header are valid, and the boot loader should use
++12-28 in the Multiboot header are valid, and the boot loader should use
+ them instead of the fields in the actual executable header to calculate
+ where to load the OS image. This information does not need to be
+ provided if the kernel image is in @sc{elf} format, but it @emph{must}
+@@ -677,7 +666,7 @@
+ @example
+ @group
+ +-------+-------+-------+-------+
+-| drive | part1 | part2 | part3 |
++| part3 | part2 | part1 | drive |
+ +-------+-------+-------+-------+
+ @end group
+ @end example
+@@ -1197,6 +1186,17 @@
+ @item
+ The maintainer changes to the GNU GRUB maintainer team
+ @email{bug-grub@@gnu.org}, from Bryan Ford and Erich Stefan Boleyn.
++
++@item
++The byte order of the @samp{boot_device} in Multiboot information is
++reversed. This was a mistake.
++
++@item
++The offset of the address fields were wrong.
++
++@item
++The format is adapted to a newer Texinfo, and the version number is
++specified more explicitly in the title.
+ @end itemize
+
+ @item 0.6
+diff -Nur grub-0.97/grub/asmstub.c grub-0.97-patched/grub/asmstub.c
+--- grub-0.97/grub/asmstub.c 2005-02-16 21:45:14.000000000 +0100
++++ grub-0.97-patched/grub/asmstub.c 2012-11-11 17:07:12.719729342 +0100
+@@ -42,6 +42,7 @@
+ #include <sys/time.h>
+ #include <termios.h>
+ #include <signal.h>
++#include <sys/mman.h>
+
+ #ifdef __linux__
+ # include <sys/ioctl.h> /* ioctl */
+@@ -55,6 +56,10 @@
+ # endif /* ! BLKFLSBUF */
+ #endif /* __linux__ */
+
++#if defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
++# include <sys/sysctl.h>
++#endif
++
+ /* We want to prevent any circularararity in our stubs, as well as
+ libc name clashes. */
+ #define WITHOUT_LIBC_STUBS 1
+@@ -79,7 +84,7 @@
+ struct apm_info apm_bios_info;
+
+ /* Emulation requirements. */
+-char *grub_scratch_mem = 0;
++void *grub_scratch_mem = 0;
+
+ struct geometry *disks = 0;
+
+@@ -103,14 +108,62 @@
+ static unsigned int serial_speed;
+ #endif /* SIMULATE_SLOWNESS_OF_SERIAL */
+
++/* This allocates page-aligned storage of the specified size, which must be
++ * a multiple of the page size as determined by calling sysconf(_SC_PAGESIZE)
++ */
++#ifdef __linux__
++static void *
++grub_mmap_alloc(size_t len)
++{
++ int mmap_flags = MAP_ANONYMOUS|MAP_PRIVATE;
++
++#ifdef MAP_32BIT
++ mmap_flags |= MAP_32BIT;
++#endif
++ /* Mark the simulated stack executable, as GCC uses stack trampolines
++ * to implement nested functions. */
++ return mmap(NULL, len, PROT_READ|PROT_WRITE|PROT_EXEC, mmap_flags, -1, 0);
++}
++#else /* !defined(__linux__) */
++static void *
++grub_mmap_alloc(size_t len)
++{
++ int fd = 0, offset = 0, ret = 0;
++ void *pa = MAP_FAILED;
++ char template[] = "/tmp/grub_mmap_alloc_XXXXXX";
++ int e;
++
++ fd = mkstemp(template);
++ if (fd < 0)
++ return pa;
++
++ unlink(template);
++
++ ret = ftruncate(fd, len);
++ if (ret < 0)
++ return pa;
++
++ /* Mark the simulated stack executable, as GCC uses stack trampolines
++ * to implement nested functions. */
++ pa = mmap(NULL, len, PROT_READ|PROT_WRITE|PROT_EXEC,
++ MAP_PRIVATE, fd, offset);
++
++ e = errno;
++ close(fd);
++ errno = e;
++ return pa;
++}
++#endif /* defined(__linux__) */
++
+ /* The main entry point into this mess. */
+ int
+ grub_stage2 (void)
+ {
+ /* These need to be static, because they survive our stack transitions. */
+ static int status = 0;
+- static char *realstack;
+- char *scratch, *simstack;
++ static void *realstack;
++ void *simstack_alloc_base, *simstack;
++ size_t simstack_size, page_size;
+ int i;
+
+ auto void doit (void);
+@@ -142,9 +195,35 @@
+ }
+
+ assert (grub_scratch_mem == 0);
+- scratch = malloc (0x100000 + EXTENDED_MEMSIZE + 15);
+- assert (scratch);
+- grub_scratch_mem = (char *) ((((int) scratch) >> 4) << 4);
++
++ /* Allocate enough pages for 0x100000 + EXTENDED_SIZE + 15, and
++ * make sure the memory is aligned to a multiple of the system's
++ * page size */
++ page_size = sysconf (_SC_PAGESIZE);
++ simstack_size = ( 0x100000 + EXTENDED_MEMSIZE + 15);
++ if (simstack_size % page_size)
++ {
++ /* If we're not on a page_size boundary, round up to the next one */
++ simstack_size &= ~(page_size-1);
++ simstack_size += page_size;
++ }
++
++ /* Add one for a PROT_NONE boundary page at each end. */
++ simstack_size += 2 * page_size;
++
++ simstack_alloc_base = grub_mmap_alloc(simstack_size);
++ assert (simstack_alloc_base != MAP_FAILED);
++
++ /* mark pages above and below our simstack area as innaccessable.
++ * If the implementation we're using doesn't support that, then the
++ * new protection modes are undefined. It's safe to just ignore
++ * them, though. It'd be nice if we knew that we'd get a SEGV for
++ * touching the area, but that's all. it'd be nice to have. */
++ mprotect (simstack_alloc_base, page_size, PROT_NONE);
++ mprotect ((void *)((unsigned long)simstack_alloc_base +
++ simstack_size - page_size), page_size, PROT_NONE);
++
++ grub_scratch_mem = (void *)((unsigned long)simstack_alloc_base + page_size);
+
+ /* FIXME: simulate the memory holes using mprot, if available. */
+
+@@ -217,7 +296,7 @@
+ device_map = 0;
+ free (disks);
+ disks = 0;
+- free (scratch);
++ munmap(simstack_alloc_base, simstack_size);
+ grub_scratch_mem = 0;
+
+ if (serial_device)
+@@ -777,7 +856,39 @@
+
+ /* Open read/write, or read-only if that failed. */
+ if (! read_only)
+- disks[drive].flags = open (devname, O_RDWR);
++ {
++/* By default, kernel of FreeBSD does not allow overwriting MBR */
++#if defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
++#define GEOM_SYSCTL "kern.geom.debugflags"
++ int old_flags, flags;
++ size_t sizeof_int = sizeof (int);
++
++ if (sysctlbyname (GEOM_SYSCTL, &old_flags, &sizeof_int, NULL, 0) != 0)
++ grub_printf ("failed to get " GEOM_SYSCTL "sysctl: %s\n", strerror (errno));
++
++ if ((old_flags & 0x10) == 0)
++ {
++ /* "allow foot shooting", see geom(4) */
++ flags = old_flags | 0x10;
++
++ if (sysctlbyname (GEOM_SYSCTL, NULL, NULL, &flags, sizeof (int)) != 0)
++ {
++ flags = old_flags;
++ grub_printf ("failed to set " GEOM_SYSCTL "sysctl: %s\n", strerror (errno));
++ }
++ }
++ else
++ flags = old_flags;
++#endif
++ disks[drive].flags = open (devname, O_RDWR);
++#if defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
++ if (flags != old_flags)
++ {
++ if (sysctlbyname (GEOM_SYSCTL, NULL, NULL, &old_flags, sizeof (int)) != 0)
++ grub_printf ("failed to set " GEOM_SYSCTL "sysctl: %s\n", strerror (errno));
++ }
++#endif
++ }
+
+ if (disks[drive].flags == -1)
+ {
+@@ -926,7 +1037,7 @@
+
+ int
+ biosdisk (int subfunc, int drive, struct geometry *geometry,
+- int sector, int nsec, int segment)
++ unsigned int sector, int nsec, int segment)
+ {
+ char *buf;
+ int fd = geometry->flags;
+diff -Nur grub-0.97/grub/asmstub.c.orig grub-0.97-patched/grub/asmstub.c.orig
+--- grub-0.97/grub/asmstub.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/grub/asmstub.c.orig 2005-02-16 21:45:14.000000000 +0100
+@@ -0,0 +1,1275 @@
++/* asmstub.c - a version of shared_src/asm.S that works under Unix */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 1999,2000,2001,2002,2004 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++/* Try to use glibc's transparant LFS support. */
++#define _LARGEFILE_SOURCE 1
++/* lseek becomes synonymous with lseek64. */
++#define _FILE_OFFSET_BITS 64
++
++/* Simulator entry point. */
++int grub_stage2 (void);
++
++#include <stdlib.h>
++#include <string.h>
++#include <ctype.h>
++#include <assert.h>
++#include <stdio.h>
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <fcntl.h>
++#include <time.h>
++#include <errno.h>
++#include <string.h>
++#include <unistd.h>
++#include <setjmp.h>
++#include <sys/time.h>
++#include <termios.h>
++#include <signal.h>
++
++#ifdef __linux__
++# include <sys/ioctl.h> /* ioctl */
++# if !defined(__GLIBC__) || \
++ ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1)))
++/* Maybe libc doesn't have large file support. */
++# include <linux/unistd.h> /* _llseek */
++# endif /* (GLIBC < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR < 1)) */
++# ifndef BLKFLSBUF
++# define BLKFLSBUF _IO (0x12,97) /* flush buffer cache */
++# endif /* ! BLKFLSBUF */
++#endif /* __linux__ */
++
++/* We want to prevent any circularararity in our stubs, as well as
++ libc name clashes. */
++#define WITHOUT_LIBC_STUBS 1
++#include <shared.h>
++#include <device.h>
++#include <serial.h>
++#include <term.h>
++
++/* Simulated memory sizes. */
++#define EXTENDED_MEMSIZE (3 * 1024 * 1024) /* 3MB */
++#define CONVENTIONAL_MEMSIZE (640 * 1024) /* 640kB */
++
++unsigned long install_partition = 0x20000;
++unsigned long boot_drive = 0;
++int saved_entryno = 0;
++char version_string[] = VERSION;
++char config_file[128] = "/boot/grub/menu.lst"; /* FIXME: arbitrary */
++unsigned long linux_text_len = 0;
++char *linux_data_tmp_addr = 0;
++char *linux_data_real_addr = 0;
++unsigned short io_map[IO_MAP_SIZE];
++struct apm_info apm_bios_info;
++
++/* Emulation requirements. */
++char *grub_scratch_mem = 0;
++
++struct geometry *disks = 0;
++
++/* The map between BIOS drives and UNIX device file names. */
++char **device_map = 0;
++
++/* The jump buffer for exiting correctly. */
++static jmp_buf env_for_exit;
++
++/* The current color for console. */
++int console_current_color = A_NORMAL;
++
++/* The file descriptor for a serial device. */
++static int serial_fd = -1;
++
++/* The file name of a serial device. */
++static char *serial_device = 0;
++
++#ifdef SIMULATE_SLOWNESS_OF_SERIAL
++/* The speed of a serial device. */
++static unsigned int serial_speed;
++#endif /* SIMULATE_SLOWNESS_OF_SERIAL */
++
++/* The main entry point into this mess. */
++int
++grub_stage2 (void)
++{
++ /* These need to be static, because they survive our stack transitions. */
++ static int status = 0;
++ static char *realstack;
++ char *scratch, *simstack;
++ int i;
++
++ auto void doit (void);
++
++ /* We need a nested function so that we get a clean stack frame,
++ regardless of how the code is optimized. */
++ void doit (void)
++ {
++ /* Make sure our stack lives in the simulated memory area. */
++ asm volatile ("movl %%esp, %0\n\tmovl %1, %%esp\n"
++ : "=&r" (realstack) : "r" (simstack));
++
++ /* Do a setjmp here for the stop command. */
++ if (! setjmp (env_for_exit))
++ {
++ /* Actually enter the generic stage2 code. */
++ status = 0;
++ init_bios_info ();
++ }
++ else
++ {
++ /* If ERRNUM is non-zero, then set STATUS to non-zero. */
++ if (errnum)
++ status = 1;
++ }
++
++ /* Replace our stack before we use any local variables. */
++ asm volatile ("movl %0, %%esp\n" : : "r" (realstack));
++ }
++
++ assert (grub_scratch_mem == 0);
++ scratch = malloc (0x100000 + EXTENDED_MEMSIZE + 15);
++ assert (scratch);
++ grub_scratch_mem = (char *) ((((int) scratch) >> 4) << 4);
++
++ /* FIXME: simulate the memory holes using mprot, if available. */
++
++ assert (disks == 0);
++ disks = malloc (NUM_DISKS * sizeof (*disks));
++ assert (disks);
++ /* Initialize DISKS. */
++ for (i = 0; i < NUM_DISKS; i++)
++ disks[i].flags = -1;
++
++ if (! init_device_map (&device_map, device_map_file, floppy_disks))
++ return 1;
++
++ /* Check some invariants. */
++ assert ((SCRATCHSEG << 4) == SCRATCHADDR);
++ assert ((BUFFERSEG << 4) == BUFFERADDR);
++ assert (BUFFERADDR + BUFFERLEN == SCRATCHADDR);
++ assert (FSYS_BUF % 16 == 0);
++ assert (FSYS_BUF + FSYS_BUFLEN == BUFFERADDR);
++
++#ifdef HAVE_LIBCURSES
++ /* Get into char-at-a-time mode. */
++ if (use_curses)
++ {
++ initscr ();
++ cbreak ();
++ noecho ();
++ nonl ();
++ scrollok (stdscr, TRUE);
++ keypad (stdscr, TRUE);
++ wtimeout (stdscr, 100);
++ signal (SIGWINCH, SIG_IGN);
++ }
++#endif
++
++ /* Make sure that actual writing is done. */
++ sync ();
++
++ /* Set our stack, and go for it. */
++ simstack = (char *) PROTSTACKINIT;
++ doit ();
++
++ /* I don't know if this is necessary really. */
++ sync ();
++
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ endwin ();
++#endif
++
++ /* Close off the file descriptors we used. */
++ for (i = 0; i < NUM_DISKS; i ++)
++ if (disks[i].flags != -1)
++ {
++#ifdef __linux__
++ /* In Linux, invalidate the buffer cache. In other OSes, reboot
++ is one of the solutions... */
++ ioctl (disks[i].flags, BLKFLSBUF, 0);
++#else
++# warning "In your operating system, the buffer cache will not be flushed."
++#endif
++ close (disks[i].flags);
++ }
++
++ if (serial_fd >= 0)
++ close (serial_fd);
++
++ /* Release memory. */
++ restore_device_map (device_map);
++ device_map = 0;
++ free (disks);
++ disks = 0;
++ free (scratch);
++ grub_scratch_mem = 0;
++
++ if (serial_device)
++ free (serial_device);
++ serial_device = 0;
++
++ /* Ahh... at last we're ready to return to caller. */
++ return status;
++}
++
++/* Assign DRIVE to a device name DEVICE. */
++void
++assign_device_name (int drive, const char *device)
++{
++ /* If DRIVE is already assigned, free it. */
++ if (device_map[drive])
++ free (device_map[drive]);
++
++ /* If the old one is already opened, close it. */
++ if (disks[drive].flags != -1)
++ {
++ close (disks[drive].flags);
++ disks[drive].flags = -1;
++ }
++
++ /* Assign DRIVE to DEVICE. */
++ if (! device)
++ device_map[drive] = 0;
++ else
++ device_map[drive] = strdup (device);
++}
++
++void
++stop (void)
++{
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ endwin ();
++#endif
++
++ /* Jump to doit. */
++ longjmp (env_for_exit, 1);
++}
++
++void
++grub_reboot (void)
++{
++ stop ();
++}
++
++void
++grub_halt (int no_apm)
++{
++ stop ();
++}
++
++/* calls for direct boot-loader chaining */
++void
++chain_stage1 (unsigned long segment, unsigned long offset,
++ unsigned long part_table_addr)
++{
++ stop ();
++}
++
++
++void
++chain_stage2 (unsigned long segment, unsigned long offset, int second_sector)
++{
++ stop ();
++}
++
++
++/* do some funky stuff, then boot linux */
++void
++linux_boot (void)
++{
++ stop ();
++}
++
++
++/* For bzImage kernels. */
++void
++big_linux_boot (void)
++{
++ stop ();
++}
++
++
++/* booting a multiboot executable */
++void
++multi_boot (int start, int mb_info)
++{
++ stop ();
++}
++
++/* sets it to linear or wired A20 operation */
++void
++gateA20 (int linear)
++{
++ /* Nothing to do in the simulator. */
++}
++
++/* Set up the int15 handler. */
++void
++set_int15_handler (void)
++{
++ /* Nothing to do in the simulator. */
++}
++
++/* Restore the original int15 handler. */
++void
++unset_int15_handler (void)
++{
++ /* Nothing to do in the simulator. */
++}
++
++/* The key map. */
++unsigned short bios_key_map[KEY_MAP_SIZE + 1];
++unsigned short ascii_key_map[KEY_MAP_SIZE + 1];
++
++/* Copy MAP to the drive map and set up the int13 handler. */
++void
++set_int13_handler (unsigned short *map)
++{
++ /* Nothing to do in the simulator. */
++}
++
++int
++get_code_end (void)
++{
++ /* Just return a little area for simulation. */
++ return BOOTSEC_LOCATION + (60 * 1024);
++}
++
++
++/* memory probe routines */
++int
++get_memsize (int type)
++{
++ if (! type)
++ return CONVENTIONAL_MEMSIZE >> 10;
++ else
++ return EXTENDED_MEMSIZE >> 10;
++}
++
++
++/* get_eisamemsize() : return packed EISA memory map, lower 16 bits is
++ * memory between 1M and 16M in 1K parts, upper 16 bits is
++ * memory above 16M in 64K parts. If error, return -1.
++ */
++int
++get_eisamemsize (void)
++{
++ return (EXTENDED_MEMSIZE >> 10);
++}
++
++
++#define MMAR_DESC_TYPE_AVAILABLE 1 /* available to OS */
++#define MMAR_DESC_TYPE_RESERVED 2 /* not available */
++#define MMAR_DESC_TYPE_ACPI_RECLAIM 3 /* usable by OS after reading ACPI */
++#define MMAR_DESC_TYPE_ACPI_NVS 4 /* required to save between NVS sessions */
++
++#define MMAR_DESC_LENGTH 20
++
++/* Fetch the next entry in the memory map and return the continuation
++ value. DESC is a pointer to the descriptor buffer, and CONT is the
++ previous continuation value (0 to get the first entry in the
++ map). */
++int
++get_mmap_entry (struct mmar_desc *desc, int cont)
++{
++ /* Record the memory map statically. */
++ static struct mmar_desc desc_table[] =
++ {
++ /* The conventional memory. */
++ {
++ MMAR_DESC_LENGTH,
++ 0,
++ CONVENTIONAL_MEMSIZE,
++ MMAR_DESC_TYPE_AVAILABLE
++ },
++ /* BIOS RAM and ROM (such as video memory). */
++ {
++ MMAR_DESC_LENGTH,
++ CONVENTIONAL_MEMSIZE,
++ 0x100000 - CONVENTIONAL_MEMSIZE,
++ MMAR_DESC_TYPE_RESERVED
++ },
++ /* The extended memory. */
++ {
++ MMAR_DESC_LENGTH,
++ 0x100000,
++ EXTENDED_MEMSIZE,
++ MMAR_DESC_TYPE_AVAILABLE
++ }
++ };
++
++ int num = sizeof (desc_table) / sizeof (*desc_table);
++
++ if (cont < 0 || cont >= num)
++ {
++ /* Should not happen. */
++ desc->desc_len = 0;
++ }
++ else
++ {
++ /* Copy the entry. */
++ *desc = desc_table[cont++];
++
++ /* If the next entry exists, return the index. */
++ if (cont < num)
++ return cont;
++ }
++
++ return 0;
++}
++
++/* Track the int13 handler. */
++void
++track_int13 (int drive)
++{
++ /* Nothing to do in the simulator. */
++}
++
++/* Get the ROM configuration table. */
++unsigned long
++get_rom_config_table (void)
++{
++ return 0;
++}
++
++/* Get APM BIOS information. */
++void
++get_apm_info (void)
++{
++ /* Nothing to do in the simulator. */
++}
++
++/* Get VBE controller information. */
++int
++get_vbe_controller_info (struct vbe_controller *controller)
++{
++ /* Always fails. */
++ return 0;
++}
++
++/* Get VBE mode information. */
++int
++get_vbe_mode_info (int mode_number, struct vbe_mode *mode)
++{
++ /* Always fails. */
++ return 0;
++}
++
++/* Set VBE mode. */
++int
++set_vbe_mode (int mode_number)
++{
++ /* Always fails. */
++ return 0;
++}
++
++/* low-level timing info */
++int
++getrtsecs (void)
++{
++ /* FIXME: exact value is not important, so just return time_t for now. */
++ return time (0);
++}
++
++int
++currticks (void)
++{
++ struct timeval tv;
++ long csecs;
++ int ticks_per_csec, ticks_per_usec;
++
++ /* Note: 18.2 ticks/sec. */
++
++ /* Get current time. */
++ gettimeofday (&tv, 0);
++
++ /* Compute centiseconds. */
++ csecs = tv.tv_sec / 10;
++
++ /* Ticks per centisecond. */
++ ticks_per_csec = csecs * 182;
++
++ /* Ticks per microsecond. */
++ ticks_per_usec = (((tv.tv_sec - csecs * 10) * 1000000 + tv.tv_usec)
++ * 182 / 10000000);
++
++ /* Sum them. */
++ return ticks_per_csec + ticks_per_usec;
++}
++
++/* displays an ASCII character. IBM displays will translate some
++ characters to special graphical ones */
++void
++console_putchar (int c)
++{
++ /* Curses doesn't have VGA fonts. */
++ switch (c)
++ {
++ case DISP_UL:
++ c = ACS_ULCORNER;
++ break;
++ case DISP_UR:
++ c = ACS_URCORNER;
++ break;
++ case DISP_LL:
++ c = ACS_LLCORNER;
++ break;
++ case DISP_LR:
++ c = ACS_LRCORNER;
++ break;
++ case DISP_HORIZ:
++ c = ACS_HLINE;
++ break;
++ case DISP_VERT:
++ c = ACS_VLINE;
++ break;
++ case DISP_LEFT:
++ c = ACS_LARROW;
++ break;
++ case DISP_RIGHT:
++ c = ACS_RARROW;
++ break;
++ case DISP_UP:
++ c = ACS_UARROW;
++ break;
++ case DISP_DOWN:
++ c = ACS_DARROW;
++ break;
++ default:
++ break;
++ }
++
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ {
++ /* In ncurses, a newline is treated badly, so we emulate it in our
++ own way. */
++ if (c == '\n')
++ {
++ int x, y;
++
++ getyx (stdscr, y, x);
++ if (y + 1 == LINES)
++ scroll (stdscr);
++ else
++ move (y + 1, x);
++ }
++ else if (isprint (c))
++ {
++ int x, y;
++
++ getyx (stdscr, y, x);
++ if (x + 1 == COLS)
++ {
++ console_putchar ('\r');
++ console_putchar ('\n');
++ }
++ addch (c | console_current_color);
++ }
++ else
++ {
++ addch (c);
++ }
++
++#ifdef REFRESH_IMMEDIATELY
++ refresh ();
++#endif
++ }
++ else
++#endif
++ {
++ /* CR is not used in Unix. */
++ if (c != '\r')
++ putchar (c);
++ }
++}
++
++/* The store for ungetch simulation. This is necessary, because
++ ncurses-1.9.9g is still used in the world and its ungetch is
++ completely broken. */
++#ifdef HAVE_LIBCURSES
++static int save_char = ERR;
++#endif
++
++static int
++console_translate_key (int c)
++{
++ switch (c)
++ {
++ case KEY_LEFT:
++ return 2;
++ case KEY_RIGHT:
++ return 6;
++ case KEY_UP:
++ return 16;
++ case KEY_DOWN:
++ return 14;
++ case KEY_DC:
++ return 4;
++ case KEY_BACKSPACE:
++ return 8;
++ case KEY_HOME:
++ return 1;
++ case KEY_END:
++ return 5;
++ case KEY_PPAGE:
++ return 7;
++ case KEY_NPAGE:
++ return 3;
++ default:
++ break;
++ }
++
++ return c;
++}
++
++/* like 'getkey', but doesn't wait, returns -1 if nothing available */
++int
++console_checkkey (void)
++{
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ {
++ int c;
++
++ /* Check for SAVE_CHAR. This should not be true, because this
++ means checkkey is called twice continuously. */
++ if (save_char != ERR)
++ return save_char;
++
++ c = getch ();
++ /* If C is not ERR, then put it back in the input queue. */
++ if (c != ERR)
++ save_char = c;
++ return console_translate_key (c);
++ }
++#endif
++
++ /* Just pretend they hit the space bar, then read the real key when
++ they call getkey. */
++ return ' ';
++}
++
++/* returns packed BIOS/ASCII code */
++int
++console_getkey (void)
++{
++ int c;
++
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ {
++ /* If checkkey has already got a character, then return it. */
++ if (save_char != ERR)
++ {
++ c = save_char;
++ save_char = ERR;
++ return console_translate_key (c);
++ }
++
++ wtimeout (stdscr, -1);
++ c = getch ();
++ wtimeout (stdscr, 100);
++ }
++ else
++#endif
++ c = getchar ();
++
++ /* Quit if we get EOF. */
++ if (c == -1)
++ stop ();
++
++ return console_translate_key (c);
++}
++
++/* returns packed values, LSB+1 is x, LSB is y */
++int
++console_getxy (void)
++{
++ int y, x;
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ getyx (stdscr, y, x);
++ else
++#endif
++ y = x = 0;
++ return (x << 8) | (y & 0xff);
++}
++
++void
++console_gotoxy (int x, int y)
++{
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ move (y, x);
++#endif
++}
++
++/* low-level character I/O */
++void
++console_cls (void)
++{
++#ifdef HAVE_LIBCURSES
++ if (use_curses)
++ clear ();
++#endif
++}
++
++void
++console_setcolorstate (color_state state)
++{
++ console_current_color =
++ (state == COLOR_STATE_HIGHLIGHT) ? A_REVERSE : A_NORMAL;
++}
++
++void
++console_setcolor (int normal_color, int highlight_color)
++{
++ /* Nothing to do. */
++}
++
++int
++console_setcursor (int on)
++{
++ return 1;
++}
++
++/* Low-level disk I/O. Our stubbed version just returns a file
++ descriptor, not the actual geometry. */
++int
++get_diskinfo (int drive, struct geometry *geometry)
++{
++ /* FIXME: this function is truly horrid. We try opening the device,
++ then severely abuse the GEOMETRY->flags field to pass a file
++ descriptor to biosdisk. Thank God nobody's looking at this comment,
++ or my reputation would be ruined. --Gord */
++
++ /* See if we have a cached device. */
++ if (disks[drive].flags == -1)
++ {
++ /* The unpartitioned device name: /dev/XdX */
++ char *devname = device_map[drive];
++ char buf[512];
++
++ if (! devname)
++ return -1;
++
++ if (verbose)
++ grub_printf ("Attempt to open drive 0x%x (%s)\n",
++ drive, devname);
++
++ /* Open read/write, or read-only if that failed. */
++ if (! read_only)
++ disks[drive].flags = open (devname, O_RDWR);
++
++ if (disks[drive].flags == -1)
++ {
++ if (read_only || errno == EACCES || errno == EROFS || errno == EPERM)
++ {
++ disks[drive].flags = open (devname, O_RDONLY);
++ if (disks[drive].flags == -1)
++ {
++ assign_device_name (drive, 0);
++ return -1;
++ }
++ }
++ else
++ {
++ assign_device_name (drive, 0);
++ return -1;
++ }
++ }
++
++ /* Attempt to read the first sector. */
++ if (read (disks[drive].flags, buf, 512) != 512)
++ {
++ close (disks[drive].flags);
++ disks[drive].flags = -1;
++ assign_device_name (drive, 0);
++ return -1;
++ }
++
++ if (disks[drive].flags != -1)
++ get_drive_geometry (&disks[drive], device_map, drive);
++ }
++
++ if (disks[drive].flags == -1)
++ return -1;
++
++#ifdef __linux__
++ /* In Linux, invalidate the buffer cache, so that left overs
++ from other program in the cache are flushed and seen by us */
++ ioctl (disks[drive].flags, BLKFLSBUF, 0);
++#endif
++
++ *geometry = disks[drive];
++ return 0;
++}
++
++/* Read LEN bytes from FD in BUF. Return less than or equal to zero if an
++ error occurs, otherwise return LEN. */
++static int
++nread (int fd, char *buf, size_t len)
++{
++ int size = len;
++
++ while (len)
++ {
++ int ret = read (fd, buf, len);
++
++ if (ret <= 0)
++ {
++ if (errno == EINTR)
++ continue;
++ else
++ return ret;
++ }
++
++ len -= ret;
++ buf += ret;
++ }
++
++ return size;
++}
++
++/* Write LEN bytes from BUF to FD. Return less than or equal to zero if an
++ error occurs, otherwise return LEN. */
++static int
++nwrite (int fd, char *buf, size_t len)
++{
++ int size = len;
++
++ while (len)
++ {
++ int ret = write (fd, buf, len);
++
++ if (ret <= 0)
++ {
++ if (errno == EINTR)
++ continue;
++ else
++ return ret;
++ }
++
++ len -= ret;
++ buf += ret;
++ }
++
++ return size;
++}
++
++/* Dump BUF in the format of hexadecimal numbers. */
++static void
++hex_dump (void *buf, size_t size)
++{
++ /* FIXME: How to determine which length is readable? */
++#define MAX_COLUMN 70
++
++ /* use unsigned char for numerical computations */
++ unsigned char *ptr = buf;
++ /* count the width of the line */
++ int column = 0;
++ /* how many bytes written */
++ int count = 0;
++
++ while (size > 0)
++ {
++ /* high 4 bits */
++ int hi = *ptr >> 4;
++ /* low 4 bits */
++ int low = *ptr & 0xf;
++
++ /* grub_printf does not handle prefix number, such as %2x, so
++ format the number by hand... */
++ grub_printf ("%x%x", hi, low);
++ column += 2;
++ count++;
++ ptr++;
++ size--;
++
++ /* Insert space or newline with the interval 4 bytes. */
++ if (size != 0 && (count % 4) == 0)
++ {
++ if (column < MAX_COLUMN)
++ {
++ grub_printf (" ");
++ column++;
++ }
++ else
++ {
++ grub_printf ("\n");
++ column = 0;
++ }
++ }
++ }
++
++ /* Add a newline at the end for readability. */
++ grub_printf ("\n");
++}
++
++int
++biosdisk (int subfunc, int drive, struct geometry *geometry,
++ int sector, int nsec, int segment)
++{
++ char *buf;
++ int fd = geometry->flags;
++
++ /* Get the file pointer from the geometry, and make sure it matches. */
++ if (fd == -1 || fd != disks[drive].flags)
++ return BIOSDISK_ERROR_GEOMETRY;
++
++ /* Seek to the specified location. */
++#if defined(__linux__) && (!defined(__GLIBC__) || \
++ ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
++ /* Maybe libc doesn't have large file support. */
++ {
++ loff_t offset, result;
++ static int _llseek (uint filedes, ulong hi, ulong lo,
++ loff_t *res, uint wh);
++ _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
++ loff_t *, res, uint, wh);
++
++ offset = (loff_t) sector * (loff_t) SECTOR_SIZE;
++ if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET))
++ return -1;
++ }
++#else
++ {
++ off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
++
++ if (lseek (fd, offset, SEEK_SET) != offset)
++ return -1;
++ }
++#endif
++
++ buf = (char *) (segment << 4);
++
++ switch (subfunc)
++ {
++ case BIOSDISK_READ:
++#ifdef __linux__
++ if (sector == 0 && nsec > 1)
++ {
++ /* Work around a bug in linux's ez remapping. Linux remaps all
++ sectors that are read together with the MBR in one read. It
++ should only remap the MBR, so we split the read in two
++ parts. -jochen */
++ if (nread (fd, buf, SECTOR_SIZE) != SECTOR_SIZE)
++ return -1;
++ buf += SECTOR_SIZE;
++ nsec--;
++ }
++#endif
++ if (nread (fd, buf, nsec * SECTOR_SIZE) != nsec * SECTOR_SIZE)
++ return -1;
++ break;
++
++ case BIOSDISK_WRITE:
++ if (verbose)
++ {
++ grub_printf ("Write %d sectors starting from %d sector"
++ " to drive 0x%x (%s)\n",
++ nsec, sector, drive, device_map[drive]);
++ hex_dump (buf, nsec * SECTOR_SIZE);
++ }
++ if (! read_only)
++ if (nwrite (fd, buf, nsec * SECTOR_SIZE) != nsec * SECTOR_SIZE)
++ return -1;
++ break;
++
++ default:
++ grub_printf ("unknown subfunc %d\n", subfunc);
++ break;
++ }
++
++ return 0;
++}
++
++
++void
++stop_floppy (void)
++{
++ /* NOTUSED */
++}
++
++/* Fetch a key from a serial device. */
++int
++serial_hw_fetch (void)
++{
++ fd_set fds;
++ struct timeval to;
++ char c;
++
++ /* Wait only for the serial device. */
++ FD_ZERO (&fds);
++ FD_SET (serial_fd, &fds);
++
++ to.tv_sec = 0;
++ to.tv_usec = 0;
++
++ if (select (serial_fd + 1, &fds, 0, 0, &to) > 0)
++ {
++ if (nread (serial_fd, &c, 1) != 1)
++ stop ();
++
++ return c;
++ }
++
++ return -1;
++}
++
++/* Put a character to a serial device. */
++void
++serial_hw_put (int c)
++{
++ char ch = (char) c;
++
++ if (nwrite (serial_fd, &ch, 1) != 1)
++ stop ();
++}
++
++void
++serial_hw_delay (void)
++{
++#ifdef SIMULATE_SLOWNESS_OF_SERIAL
++ struct timeval otv, tv;
++
++ gettimeofday (&otv, 0);
++
++ while (1)
++ {
++ long delta;
++
++ gettimeofday (&tv, 0);
++ delta = tv.tv_usec - otv.tv_usec;
++ if (delta < 0)
++ delta += 1000000;
++
++ if (delta >= 1000000 / (serial_speed >> 3))
++ break;
++ }
++#endif /* SIMULATE_SLOWNESS_OF_SERIAL */
++}
++
++static speed_t
++get_termios_speed (int speed)
++{
++ switch (speed)
++ {
++ case 2400: return B2400;
++ case 4800: return B4800;
++ case 9600: return B9600;
++ case 19200: return B19200;
++ case 38400: return B38400;
++#ifdef B57600
++ case 57600: return B57600;
++#endif
++#ifdef B115200
++ case 115200: return B115200;
++#endif
++ }
++
++ return B0;
++}
++
++/* Get the port number of the unit UNIT. In the grub shell, this doesn't
++ make sense. */
++unsigned short
++serial_hw_get_port (int unit)
++{
++ return 0;
++}
++
++/* Initialize a serial device. In the grub shell, PORT is unused. */
++int
++serial_hw_init (unsigned short port, unsigned int speed,
++ int word_len, int parity, int stop_bit_len)
++{
++ struct termios termios;
++ speed_t termios_speed;
++ int i;
++
++ /* Check if the file name is specified. */
++ if (! serial_device)
++ return 0;
++
++ /* If a serial device is already opened, close it first. */
++ if (serial_fd >= 0)
++ close (serial_fd);
++
++ /* Open the device file. */
++ serial_fd = open (serial_device,
++ O_RDWR | O_NOCTTY
++#if defined(O_SYNC)
++ /* O_SYNC is used in Linux (and some others?). */
++ | O_SYNC
++#elif defined(O_FSYNC)
++ /* O_FSYNC is used in FreeBSD. */
++ | O_FSYNC
++#endif
++ );
++ if (serial_fd < 0)
++ return 0;
++
++ /* Get the termios parameters. */
++ if (tcgetattr (serial_fd, &termios))
++ goto fail;
++
++ /* Raw mode. */
++ cfmakeraw (&termios);
++
++ /* Set the speed. */
++ termios_speed = get_termios_speed (speed);
++ if (termios_speed == B0)
++ goto fail;
++
++ cfsetispeed (&termios, termios_speed);
++ cfsetospeed (&termios, termios_speed);
++
++ /* Set the word length. */
++ termios.c_cflag &= ~CSIZE;
++ switch (word_len)
++ {
++ case UART_5BITS_WORD:
++ termios.c_cflag |= CS5;
++ break;
++ case UART_6BITS_WORD:
++ termios.c_cflag |= CS6;
++ break;
++ case UART_7BITS_WORD:
++ termios.c_cflag |= CS7;
++ break;
++ case UART_8BITS_WORD:
++ termios.c_cflag |= CS8;
++ break;
++ default:
++ goto fail;
++ }
++
++ /* Set the parity. */
++ switch (parity)
++ {
++ case UART_NO_PARITY:
++ termios.c_cflag &= ~PARENB;
++ break;
++ case UART_ODD_PARITY:
++ termios.c_cflag |= PARENB;
++ termios.c_cflag |= PARODD;
++ break;
++ case UART_EVEN_PARITY:
++ termios.c_cflag |= PARENB;
++ termios.c_cflag &= ~PARODD;
++ break;
++ default:
++ goto fail;
++ }
++
++ /* Set the length of stop bit. */
++ switch (stop_bit_len)
++ {
++ case UART_1_STOP_BIT:
++ termios.c_cflag &= ~CSTOPB;
++ break;
++ case UART_2_STOP_BITS:
++ termios.c_cflag |= CSTOPB;
++ break;
++ default:
++ goto fail;
++ }
++
++ /* Set the parameters. */
++ if (tcsetattr (serial_fd, TCSANOW, &termios))
++ goto fail;
++
++#ifdef SIMULATE_SLOWNESS_OF_SERIAL
++ serial_speed = speed;
++#endif /* SIMUATE_SLOWNESS_OF_SERIAL */
++
++ /* Get rid of the flag TERM_NEED_INIT from the serial terminal. */
++ for (i = 0; term_table[i].name; i++)
++ {
++ if (strcmp (term_table[i].name, "serial") == 0)
++ {
++ term_table[i].flags &= ~(TERM_NEED_INIT);
++ break;
++ }
++ }
++
++ return 1;
++
++ fail:
++ close (serial_fd);
++ serial_fd = -1;
++ return 0;
++}
++
++/* Set the file name of a serial device (or a pty device). This is a
++ function specific to the grub shell. */
++void
++serial_set_device (const char *device)
++{
++ if (serial_device)
++ free (serial_device);
++
++ serial_device = strdup (device);
++}
++
++/* There is no difference between console and hercules in the grub shell. */
++void
++hercules_putchar (int c)
++{
++ console_putchar (c);
++}
++
++int
++hercules_getxy (void)
++{
++ return console_getxy ();
++}
++
++void
++hercules_gotoxy (int x, int y)
++{
++ console_gotoxy (x, y);
++}
++
++void
++hercules_cls (void)
++{
++ console_cls ();
++}
++
++void
++hercules_setcolorstate (color_state state)
++{
++ console_setcolorstate (state);
++}
++
++void
++hercules_setcolor (int normal_color, int highlight_color)
++{
++ console_setcolor (normal_color, highlight_color);
++}
++
++int
++hercules_setcursor (int on)
++{
++ return 1;
++}
+diff -Nur grub-0.97/grub/main.c grub-0.97-patched/grub/main.c
+--- grub-0.97/grub/main.c 2003-07-09 13:45:36.000000000 +0200
++++ grub-0.97-patched/grub/main.c 2012-11-11 17:07:12.720729374 +0100
+@@ -32,6 +32,7 @@
+ #define WITHOUT_LIBC_STUBS 1
+ #include <shared.h>
+ #include <term.h>
++#include <device.h>
+
+ char *program_name = 0;
+ int use_config_file = 1;
+@@ -140,10 +141,7 @@
+ program_name = argv[0];
+ default_boot_drive = boot_drive;
+ default_install_partition = install_partition;
+- if (config_file)
+- default_config_file = config_file;
+- else
+- default_config_file = "NONE";
++ default_config_file = config_file;
+
+ /* Parse command-line options. */
+ do
+@@ -192,6 +190,12 @@
+ perror ("strtoul");
+ exit (1);
+ }
++ if (boot_drive >= NUM_DISKS)
++ {
++ fprintf (stderr, "boot_drive should be from 0 to %d\n",
++ NUM_DISKS - 1);
++ exit (1);
++ }
+ break;
+
+ case OPT_NO_CONFIG_FILE:
+diff -Nur grub-0.97/grub/main.c.orig grub-0.97-patched/grub/main.c.orig
+--- grub-0.97/grub/main.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/grub/main.c.orig 2003-07-09 13:45:36.000000000 +0200
+@@ -0,0 +1,265 @@
++/* main.c - experimental GRUB stage2 that runs under Unix */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 1999,2000,2001,2002 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++/* Simulator entry point. */
++int grub_stage2 (void);
++
++#include <stdio.h>
++#include <getopt.h>
++#include <unistd.h>
++#include <string.h>
++#include <stdlib.h>
++#include <limits.h>
++#include <setjmp.h>
++
++#define WITHOUT_LIBC_STUBS 1
++#include <shared.h>
++#include <term.h>
++
++char *program_name = 0;
++int use_config_file = 1;
++int use_preset_menu = 0;
++#ifdef HAVE_LIBCURSES
++int use_curses = 1;
++#else
++int use_curses = 0;
++#endif
++int verbose = 0;
++int read_only = 0;
++int floppy_disks = 1;
++char *device_map_file = 0;
++static int default_boot_drive;
++static int default_install_partition;
++static char *default_config_file;
++
++#define OPT_HELP -2
++#define OPT_VERSION -3
++#define OPT_HOLD -4
++#define OPT_CONFIG_FILE -5
++#define OPT_INSTALL_PARTITION -6
++#define OPT_BOOT_DRIVE -7
++#define OPT_NO_CONFIG_FILE -8
++#define OPT_NO_CURSES -9
++#define OPT_BATCH -10
++#define OPT_VERBOSE -11
++#define OPT_READ_ONLY -12
++#define OPT_PROBE_SECOND_FLOPPY -13
++#define OPT_NO_FLOPPY -14
++#define OPT_DEVICE_MAP -15
++#define OPT_PRESET_MENU -16
++#define OPT_NO_PAGER -17
++#define OPTSTRING ""
++
++static struct option longopts[] =
++{
++ {"batch", no_argument, 0, OPT_BATCH},
++ {"boot-drive", required_argument, 0, OPT_BOOT_DRIVE},
++ {"config-file", required_argument, 0, OPT_CONFIG_FILE},
++ {"device-map", required_argument, 0, OPT_DEVICE_MAP},
++ {"help", no_argument, 0, OPT_HELP},
++ {"hold", optional_argument, 0, OPT_HOLD},
++ {"install-partition", required_argument, 0, OPT_INSTALL_PARTITION},
++ {"no-config-file", no_argument, 0, OPT_NO_CONFIG_FILE},
++ {"no-curses", no_argument, 0, OPT_NO_CURSES},
++ {"no-floppy", no_argument, 0, OPT_NO_FLOPPY},
++ {"no-pager", no_argument, 0, OPT_NO_PAGER},
++ {"preset-menu", no_argument, 0, OPT_PRESET_MENU},
++ {"probe-second-floppy", no_argument, 0, OPT_PROBE_SECOND_FLOPPY},
++ {"read-only", no_argument, 0, OPT_READ_ONLY},
++ {"verbose", no_argument, 0, OPT_VERBOSE},
++ {"version", no_argument, 0, OPT_VERSION},
++ {0},
++};
++
++
++static void
++usage (int status)
++{
++ if (status)
++ fprintf (stderr, "Try ``grub --help'' for more information.\n");
++ else
++ printf ("\
++Usage: grub [OPTION]...\n\
++\n\
++Enter the GRand Unified Bootloader command shell.\n\
++\n\
++ --batch turn on batch mode for non-interactive use\n\
++ --boot-drive=DRIVE specify stage2 boot_drive [default=0x%x]\n\
++ --config-file=FILE specify stage2 config_file [default=%s]\n\
++ --device-map=FILE use the device map file FILE\n\
++ --help display this message and exit\n\
++ --hold wait until a debugger will attach\n\
++ --install-partition=PAR specify stage2 install_partition [default=0x%x]\n\
++ --no-config-file do not use the config file\n\
++ --no-curses do not use curses\n\
++ --no-floppy do not probe any floppy drive\n\
++ --no-pager do not use internal pager\n\
++ --preset-menu use the preset menu\n\
++ --probe-second-floppy probe the second floppy drive\n\
++ --read-only do not write anything to devices\n\
++ --verbose print verbose messages\n\
++ --version print version information and exit\n\
++\n\
++Report bugs to <bug-grub(a)gnu.org>.\n\
++",
++ default_boot_drive, default_config_file,
++ default_install_partition);
++
++ exit (status);
++}
++
++
++int
++main (int argc, char **argv)
++{
++ int c;
++ int hold = 0;
++
++ /* First of all, call sync so that all in-core data is scheduled to be
++ actually written to disks. This is very important because GRUB does
++ not use ordinary stdio interface but raw devices. */
++ sync ();
++
++ program_name = argv[0];
++ default_boot_drive = boot_drive;
++ default_install_partition = install_partition;
++ if (config_file)
++ default_config_file = config_file;
++ else
++ default_config_file = "NONE";
++
++ /* Parse command-line options. */
++ do
++ {
++ c = getopt_long (argc, argv, OPTSTRING, longopts, 0);
++ switch (c)
++ {
++ case EOF:
++ /* Fall through the bottom of the loop. */
++ break;
++
++ case OPT_HELP:
++ usage (0);
++ break;
++
++ case OPT_VERSION:
++ printf ("grub (GNU GRUB " VERSION ")\n");
++ exit (0);
++ break;
++
++ case OPT_HOLD:
++ if (! optarg)
++ hold = -1;
++ else
++ hold = atoi (optarg);
++ break;
++
++ case OPT_CONFIG_FILE:
++ strncpy (config_file, optarg, 127); /* FIXME: arbitrary */
++ config_file[127] = '\0';
++ break;
++
++ case OPT_INSTALL_PARTITION:
++ install_partition = strtoul (optarg, 0, 0);
++ if (install_partition == ULONG_MAX)
++ {
++ perror ("strtoul");
++ exit (1);
++ }
++ break;
++
++ case OPT_BOOT_DRIVE:
++ boot_drive = strtoul (optarg, 0, 0);
++ if (boot_drive == ULONG_MAX)
++ {
++ perror ("strtoul");
++ exit (1);
++ }
++ break;
++
++ case OPT_NO_CONFIG_FILE:
++ use_config_file = 0;
++ break;
++
++ case OPT_NO_CURSES:
++ use_curses = 0;
++ break;
++
++ case OPT_NO_PAGER:
++ use_pager = 0;
++ break;
++
++ case OPT_BATCH:
++ /* This is the same as "--no-config-file --no-curses --no-pager". */
++ use_config_file = 0;
++ use_curses = 0;
++ use_pager = 0;
++ break;
++
++ case OPT_READ_ONLY:
++ read_only = 1;
++ break;
++
++ case OPT_VERBOSE:
++ verbose = 1;
++ break;
++
++ case OPT_NO_FLOPPY:
++ floppy_disks = 0;
++ break;
++
++ case OPT_PROBE_SECOND_FLOPPY:
++ floppy_disks = 2;
++ break;
++
++ case OPT_DEVICE_MAP:
++ device_map_file = strdup (optarg);
++ break;
++
++ case OPT_PRESET_MENU:
++ use_preset_menu = 1;
++ break;
++
++ default:
++ usage (1);
++ }
++ }
++ while (c != EOF);
++
++ /* Wait until the HOLD variable is cleared by an attached debugger. */
++ if (hold && verbose)
++ printf ("Run \"gdb %s %d\", and set HOLD to zero.\n",
++ program_name, (int) getpid ());
++ while (hold)
++ {
++ if (hold > 0)
++ hold--;
++
++ sleep (1);
++ }
++
++ /* If we don't have curses (!HAVE_LIBCURSES or --no-curses or
++ --batch) put terminal to dumb for better handling of line i/o */
++ if (! use_curses)
++ current_term->flags = TERM_NO_EDIT | TERM_DUMB;
++
++ /* Transfer control to the stage2 simulator. */
++ exit (grub_stage2 ());
++}
+diff -Nur grub-0.97/lib/device.c grub-0.97-patched/lib/device.c
+--- grub-0.97/lib/device.c 2005-03-28 01:14:25.000000000 +0200
++++ grub-0.97-patched/lib/device.c 2012-11-11 17:07:12.748730268 +0100
+@@ -69,9 +69,9 @@
+ # ifndef CDROM_GET_CAPABILITY
+ # define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */
+ # endif /* ! CDROM_GET_CAPABILITY */
+-# ifndef BLKGETSIZE
+-# define BLKGETSIZE _IO(0x12,96) /* return device size */
+-# endif /* ! BLKGETSIZE */
++# ifndef BLKGETSIZE64
++# define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size */
++# endif /* ! BLKGETSIZE64 */
+ #endif /* __linux__ */
+
+ /* Use __FreeBSD_kernel__ instead of __FreeBSD__ for compatibility with
+@@ -131,6 +131,152 @@
+ #include <shared.h>
+ #include <device.h>
+
++#if defined(__linux__)
++/* The 2.6 kernel has removed all of the geometry handling for IDE drives
++ * that did fixups for LBA, etc. This means that the geometry we get
++ * with the ioctl has a good chance of being wrong. So, we get to
++ * also know about partition tables and try to read what the geometry
++ * is there. *grumble* Very closely based on code from cfdisk
++ */
++static void get_kernel_geometry(int fd, long long *cyl, int *heads, int *sectors) {
++ struct hd_geometry hdg;
++
++ if (ioctl (fd, HDIO_GETGEO, &hdg))
++ return;
++
++ *cyl = hdg.cylinders;
++ *heads = hdg.heads;
++ *sectors = hdg.sectors;
++}
++
++struct partition {
++ unsigned char boot_ind; /* 0x80 - active */
++ unsigned char head; /* starting head */
++ unsigned char sector; /* starting sector */
++ unsigned char cyl; /* starting cylinder */
++ unsigned char sys_ind; /* What partition type */
++ unsigned char end_head; /* end head */
++ unsigned char end_sector; /* end sector */
++ unsigned char end_cyl; /* end cylinder */
++ unsigned char start4[4]; /* starting sector counting from 0 */
++ unsigned char size4[4]; /* nr of sectors in partition */
++};
++
++#define ALIGNMENT 2
++typedef union {
++ struct {
++ unsigned char align[ALIGNMENT];
++ unsigned char b[SECTOR_SIZE];
++ } c;
++ struct {
++ unsigned char align[ALIGNMENT];
++ unsigned char buffer[0x1BE];
++ struct partition part[4];
++ unsigned char magicflag[2];
++ } p;
++} partition_table;
++
++#define PART_TABLE_FLAG0 0x55
++#define PART_TABLE_FLAG1 0xAA
++
++static void
++get_partition_table_geometry(partition_table *bufp, long long *cyl, int *heads,
++ int *sectors) {
++ struct partition *p;
++ int i,h,s,hh,ss;
++ int first = 1;
++ int bad = 0;
++
++ if (bufp->p.magicflag[0] != PART_TABLE_FLAG0 ||
++ bufp->p.magicflag[1] != PART_TABLE_FLAG1) {
++ /* Matthew Wilcox: slightly friendlier version of
++ fatal(_("Bad signature on partition table"), 3);
++ */
++ fprintf(stderr, "Unknown partition table signature\n");
++ return;
++ }
++
++ hh = ss = 0;
++ for (i=0; i<4; i++) {
++ p = &(bufp->p.part[i]);
++ if (p->sys_ind != 0) {
++ h = p->end_head + 1;
++ s = (p->end_sector & 077);
++ if (first) {
++ hh = h;
++ ss = s;
++ first = 0;
++ } else if (hh != h || ss != s)
++ bad = 1;
++ }
++ }
++
++ if (!first && !bad) {
++ *heads = hh;
++ *sectors = ss;
++ }
++}
++
++static long long my_lseek (unsigned int fd, long long offset,
++ unsigned int origin)
++{
++#if defined(__linux__) && (!defined(__GLIBC__) || \
++ ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
++ /* Maybe libc doesn't have large file support. */
++ loff_t offset, result;
++ static int _llseek (uint filedes, ulong hi, ulong lo,
++ loff_t *res, uint wh);
++ _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
++ loff_t *, res, uint, wh);
++
++ if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET) < 0)
++ return (long long) -1;
++ return result;
++#else
++ return lseek(fd, offset, SEEK_SET);
++#endif
++}
++
++static void get_linux_geometry (int fd, struct geometry *geom) {
++ long long kern_cyl = 0; int kern_head = 0, kern_sectors = 0;
++ long long pt_cyl = 0; int pt_head = 0, pt_sectors = 0;
++ partition_table bufp;
++ char *buff, *buf_unaligned;
++
++ buf_unaligned = malloc(sizeof(partition_table) + 4095);
++ buff = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
++ (~(4096-1)));
++
++ get_kernel_geometry(fd, &kern_cyl, &kern_head, &kern_sectors);
++
++ if (my_lseek (fd, 0*SECTOR_SIZE, SEEK_SET) < 0) {
++ fprintf(stderr, "Unable to seek");
++ }
++
++ if (read(fd, buff, SECTOR_SIZE) == SECTOR_SIZE) {
++ memcpy(bufp.c.b, buff, SECTOR_SIZE);
++ get_partition_table_geometry(&bufp, &pt_cyl, &pt_head, &pt_sectors);
++ } else {
++ fprintf(stderr, "Unable to read partition table: %s\n", strerror(errno));
++ }
++
++ if (pt_head && pt_sectors) {
++ int cyl_size;
++
++ geom->heads = pt_head;
++ geom->sectors = pt_sectors;
++ cyl_size = pt_head * pt_sectors;
++ geom->cylinders = geom->total_sectors/cyl_size;
++ } else {
++ geom->heads = kern_head;
++ geom->sectors = kern_sectors;
++ geom->cylinders = kern_cyl;
++ }
++
++ return;
++}
++#endif
++
+ /* Get the geometry of a drive DRIVE. */
+ void
+ get_drive_geometry (struct geometry *geom, char **map, int drive)
+@@ -151,20 +297,16 @@
+ #if defined(__linux__)
+ /* Linux */
+ {
+- struct hd_geometry hdg;
+- unsigned long nr;
++ unsigned long long nr;
+
+- if (ioctl (fd, HDIO_GETGEO, &hdg))
+- goto fail;
+-
+- if (ioctl (fd, BLKGETSIZE, &nr))
++ if (ioctl (fd, BLKGETSIZE64, &nr))
+ goto fail;
+
+ /* Got the geometry, so save it. */
+- geom->cylinders = hdg.cylinders;
+- geom->heads = hdg.heads;
+- geom->sectors = hdg.sectors;
+- geom->total_sectors = nr;
++ get_linux_geometry(fd, geom);
++ if (!geom->heads && !geom->cylinders && !geom->sectors)
++ goto fail;
++ geom->total_sectors = nr / 512;
+
+ goto success;
+ }
+@@ -403,10 +545,28 @@
+ }
+
+ static void
++get_cciss_disk_name (char *name, int controller, int drive)
++{
++ sprintf (name, "/dev/cciss/c%dd%d", controller, drive);
++}
++
++static void
++get_ida_disk_name (char *name, int controller, int drive)
++{
++ sprintf (name, "/dev/ida/c%dd%d", controller, drive);
++}
++
++static void
+ get_ataraid_disk_name (char *name, int unit)
+ {
+ sprintf (name, "/dev/ataraid/d%c", unit + '0');
+ }
++
++static void
++get_i2o_disk_name (char *name, char unit)
++{
++ sprintf (name, "/dev/i2o/hd%c", unit);
++}
+ #endif
+
+ /* Check if DEVICE can be read. If an error occurs, return zero,
+@@ -801,6 +961,97 @@
+ }
+ }
+ }
++
++ /* This is for I2O - we have /dev/i2o/hd<logical drive><partition> */
++ {
++ int unit;
++
++ for (unit = 'a'; unit < 'f'; unit++)
++ {
++ char name[24];
++
++ get_i2o_disk_name (name, unit);
++ if (check_device (name))
++ {
++ (*map)[num_hd + 0x80] = strdup (name);
++ assert ((*map)[num_hd + 0x80]);
++
++ /* If the device map file is opened, write the map. */
++ if (fp)
++ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
++
++ num_hd++;
++ }
++ }
++ }
++
++ /* This is for CCISS, its like the DAC960 - we have
++ /dev/cciss/<controller>d<logical drive>p<partition>
++
++ It currently supports up to 3 controllers, 10 logical volumes
++ and 10 partitions
++
++ Code gratuitously copied from DAC960 above.
++ Horms <horms(a)verge.net.au> 23rd July 2004
++ */
++ {
++ int controller, drive;
++
++ for (controller = 0; controller < 2; controller++)
++ {
++ for (drive = 0; drive < 9; drive++)
++ {
++ char name[24];
++
++ get_cciss_disk_name (name, controller, drive);
++ if (check_device (name))
++ {
++ (*map)[num_hd + 0x80] = strdup (name);
++ assert ((*map)[num_hd + 0x80]);
++
++ /* If the device map file is opened, write the map. */
++ if (fp)
++ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
++
++ num_hd++;
++ }
++ }
++ }
++ }
++
++ /* This is for Compaq Smart Array, its like the DAC960 - we have
++ /dev/ida/<controller>d<logical drive>p<partition>
++
++ It currently supports up to 3 controllers, 10 logical volumes
++ and 15 partitions
++
++ Code gratuitously copied from DAC960 above.
++ Piotr Roszatycki <dexter(a)debian.org>
++ */
++ {
++ int controller, drive;
++
++ for (controller = 0; controller < 2; controller++)
++ {
++ for (drive = 0; drive < 9; drive++)
++ {
++ char name[24];
++
++ get_ida_disk_name (name, controller, drive);
++ if (check_device (name))
++ {
++ (*map)[num_hd + 0x80] = strdup (name);
++ assert ((*map)[num_hd + 0x80]);
++
++ /* If the device map file is opened, write the map. */
++ if (fp)
++ fprintf (fp, "(hd%d)\t%s\n", num_hd, name);
++
++ num_hd++;
++ }
++ }
++ }
++ }
+ #endif /* __linux__ */
+
+ /* OK, close the device map file if opened. */
+@@ -844,6 +1095,7 @@
+ {
+ char dev[PATH_MAX]; /* XXX */
+ int fd;
++ off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
+
+ if ((partition & 0x00FF00) != 0x00FF00)
+ {
+@@ -861,6 +1113,14 @@
+ if (strcmp (dev + strlen(dev) - 5, "/disc") == 0)
+ strcpy (dev + strlen(dev) - 5, "/part");
+ }
++ else
++ {
++ if ((strncmp (dev, "/dev/ataraid/", 13) == 0) ||
++ (strncmp (dev, "/dev/ida/", 9) == 0) ||
++ (strncmp (dev, "/dev/cciss/", 11) == 0) ||
++ (strncmp (dev, "/dev/rd/", 8) == 0))
++ strcpy (dev + strlen(dev), "p");
++ }
+ sprintf (dev + strlen(dev), "%d", ((partition >> 16) & 0xFF) + 1);
+
+ /* Open the partition. */
+@@ -870,35 +1130,13 @@
+ errnum = ERR_NO_PART;
+ return 0;
+ }
+-
+-#if defined(__linux__) && (!defined(__GLIBC__) || \
+- ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
+- /* Maybe libc doesn't have large file support. */
+- {
+- loff_t offset, result;
+- static int _llseek (uint filedes, ulong hi, ulong lo,
+- loff_t *res, uint wh);
+- _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
+- loff_t *, res, uint, wh);
+
+- offset = (loff_t) sector * (loff_t) SECTOR_SIZE;
+- if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET))
+- {
+- errnum = ERR_DEV_VALUES;
+- return 0;
+- }
+- }
+-#else
+- {
+- off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
+
+- if (lseek (fd, offset, SEEK_SET) != offset)
+- {
+- errnum = ERR_DEV_VALUES;
+- return 0;
+- }
+- }
+-#endif
++ if (my_lseek(fd, offset, SEEK_SET) != offset)
++ {
++ errnum = ERR_DEV_VALUES;
++ return 0;
++ }
+
+ if (write (fd, buf, size * SECTOR_SIZE) != (size * SECTOR_SIZE))
+ {
+diff -Nur grub-0.97/netboot/cs89x0.c grub-0.97-patched/netboot/cs89x0.c
+--- grub-0.97/netboot/cs89x0.c 2003-07-09 13:45:37.000000000 +0200
++++ grub-0.97-patched/netboot/cs89x0.c 2012-11-11 17:07:12.722729437 +0100
+@@ -1,3 +1,21 @@
++/**
++ Per an email message from Russ Nelson <nelson(a)crynwr.com> on
++ 18 March 2008 this file is now licensed under GPL Version 2.
++
++ From: Russ Nelson <nelson(a)crynwr.com>
++ Date: Tue, 18 Mar 2008 12:42:00 -0400
++ Subject: Re: [Etherboot-developers] cs89x0 driver in etherboot
++ -- quote from email
++ As copyright holder, if I say it doesn't conflict with the GPL,
++ then it doesn't conflict with the GPL.
++
++ However, there's no point in causing people's brains to overheat,
++ so yes, I grant permission for the code to be relicensed under the
++ GPLv2. Please make sure that this change in licensing makes its
++ way upstream. -russ
++ -- quote from email
++**/
++
+ /* cs89x0.c: A Crystal Semiconductor CS89[02]0 driver for etherboot. */
+ /*
+ Permission is granted to distribute the enclosed cs89x0.[ch] driver
+diff -Nur grub-0.97/netboot/cs89x0.h grub-0.97-patched/netboot/cs89x0.h
+--- grub-0.97/netboot/cs89x0.h 2003-07-09 13:45:37.000000000 +0200
++++ grub-0.97-patched/netboot/cs89x0.h 2012-11-11 17:07:12.723729469 +0100
+@@ -1,3 +1,21 @@
++/**
++ Per an email message from Russ Nelson <nelson(a)crynwr.com> on
++ 18 March 2008 this file is now licensed under GPL Version 2.
++
++ From: Russ Nelson <nelson(a)crynwr.com>
++ Date: Tue, 18 Mar 2008 12:42:00 -0400
++ Subject: Re: [Etherboot-developers] cs89x0 driver in etherboot
++ -- quote from email
++ As copyright holder, if I say it doesn't conflict with the GPL,
++ then it doesn't conflict with the GPL.
++
++ However, there's no point in causing people's brains to overheat,
++ so yes, I grant permission for the code to be relicensed under the
++ GPLv2. Please make sure that this change in licensing makes its
++ way upstream. -russ
++ -- quote from email
++**/
++
+ /* Copyright, 1988-1992, Russell Nelson, Crynwr Software
+
+ This program is free software; you can redistribute it and/or modify
+diff -Nur grub-0.97/netboot/etherboot.h grub-0.97-patched/netboot/etherboot.h
+--- grub-0.97/netboot/etherboot.h 2003-07-09 13:45:37.000000000 +0200
++++ grub-0.97-patched/netboot/etherboot.h 2012-11-11 17:07:12.723729469 +0100
+@@ -531,9 +531,6 @@
+ extern int network_ready;
+ extern struct rom_info rom;
+ extern struct arptable_t arptable[MAX_ARP];
+-extern struct bootpd_t bootp_data;
+-#define BOOTP_DATA_ADDR (&bootp_data)
+-extern unsigned char *end_of_rfc1533;
+
+ /* config.c */
+ extern struct nic nic;
+diff -Nur grub-0.97/netboot/main.c grub-0.97-patched/netboot/main.c
+--- grub-0.97/netboot/main.c 2004-05-21 00:19:33.000000000 +0200
++++ grub-0.97-patched/netboot/main.c 2012-11-11 17:07:12.724729500 +0100
+@@ -56,7 +56,8 @@
+ static unsigned long netmask;
+ static struct bootpd_t bootp_data;
+ static unsigned long xid;
+-static unsigned char *end_of_rfc1533 = NULL;
++
++#define BOOTP_DATA_ADDR (&bootp_data)
+
+ #ifndef NO_DHCP_SUPPORT
+ #endif /* NO_DHCP_SUPPORT */
+@@ -83,7 +84,9 @@
+ RFC2132_MAX_SIZE,2, /* request as much as we can */
+ ETH_MAX_MTU / 256, ETH_MAX_MTU % 256,
+ RFC2132_PARAM_LIST, 4, RFC1533_NETMASK, RFC1533_GATEWAY,
+- RFC1533_HOSTNAME, RFC1533_EXTENSIONPATH
++ RFC1533_HOSTNAME, RFC1533_EXTENSIONPATH,
++ /* Vendor class identifier */
++ RFC2132_VENDOR_CLASS_ID, 10, 'G', 'R', 'U', 'B', 'C', 'l', 'i', 'e', 'n', 't',
+ };
+
+ static const unsigned char dhcprequest[] =
+@@ -103,6 +106,8 @@
+ /* Etherboot vendortags */
+ RFC1533_VENDOR_MAGIC,
+ RFC1533_VENDOR_CONFIGFILE,
++ /* Vendor class identifier */
++ RFC2132_VENDOR_CLASS_ID, 10, 'G', 'R', 'U', 'B', 'C', 'l', 'i', 'e', 'n', 't',
+ };
+
+ #endif /* ! NO_DHCP_SUPPORT */
+@@ -701,7 +706,7 @@
+ "adcw %%ax,%0\n\t" /* add carry of previous iteration */
+ "loop 1b\n\t"
+ "adcw $0,%0" /* add carry of last iteration */
+- : "=b" (*sum), "=S"(start), "=c"(len)
++ : "=r" (*sum), "=S"(start), "=c"(len)
+ : "0"(*sum), "1"(start), "2"(len)
+ : "ax", "cc"
+ );
+@@ -967,7 +972,6 @@
+
+ if (block == 0)
+ {
+- end_of_rfc1533 = NULL;
+ vendorext_isvalid = 0;
+
+ if (grub_memcmp (p, rfc1533_cookie, 4))
+@@ -1021,7 +1025,7 @@
+ }
+ else if (c == RFC1533_END)
+ {
+- end_of_rfc1533 = endp = p;
++ endp = p;
+ continue;
+ }
+ else if (c == RFC1533_NETMASK)
+diff -Nur grub-0.97/netboot/natsemi.c grub-0.97-patched/netboot/natsemi.c
+--- grub-0.97/netboot/natsemi.c 2003-07-09 13:45:38.000000000 +0200
++++ grub-0.97-patched/netboot/natsemi.c 2012-11-11 17:07:12.724729500 +0100
+@@ -608,7 +608,7 @@
+ const char *p) /* Packet */
+ {
+ u32 status, to, nstype;
+- u32 tx_status;
++ volatile u32 tx_status;
+
+ /* Stop the transmitter */
+ outl(TxOff, ioaddr + ChipCmd);
+@@ -647,7 +647,7 @@
+
+ to = currticks() + TX_TIMEOUT;
+
+- while ((((volatile u32) tx_status=txd.cmdsts) & OWN) && (currticks() < to))
++ while (((tx_status=txd.cmdsts) & OWN) && (currticks() < to))
+ /* wait */ ;
+
+ if (currticks() >= to) {
+diff -Nur grub-0.97/netboot/pci.c grub-0.97-patched/netboot/pci.c
+--- grub-0.97/netboot/pci.c 2003-07-09 13:45:38.000000000 +0200
++++ grub-0.97-patched/netboot/pci.c 2012-11-11 17:07:07.227553894 +0100
+@@ -105,13 +105,16 @@
+
+ save_flags(flags);
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+- "lcall (%%edi)"
++ "lcall (%%edi)\n\t"
+ #else
+- "lcall *(%%edi)"
++ "lcall *(%%edi)\n\t"
+ #endif
++ "movl %%ebx, %1\n\t" /* capture what was in %ebx */
++ "popl %%ebx\n\t" /* restore %ebx */
+ : "=a" (return_code),
+- "=b" (address),
++ "=r" (address),
+ "=c" (length),
+ "=d" (entry)
+ : "0" (service),
+@@ -141,18 +144,21 @@
+
+ save_flags(flags);
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=c" (*value),
+ "=a" (ret)
+ : "1" (PCIBIOS_READ_CONFIG_BYTE),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -168,18 +174,21 @@
+
+ save_flags(flags);
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=c" (*value),
+ "=a" (ret)
+ : "1" (PCIBIOS_READ_CONFIG_WORD),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -195,18 +204,21 @@
+
+ save_flags(flags);
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=c" (*value),
+ "=a" (ret)
+ : "1" (PCIBIOS_READ_CONFIG_DWORD),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -222,18 +234,21 @@
+
+ save_flags(flags); cli();
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=a" (ret)
+ : "0" (PCIBIOS_WRITE_CONFIG_BYTE),
+ "c" (value),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -249,18 +264,21 @@
+
+ save_flags(flags); cli();
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=a" (ret)
+ : "0" (PCIBIOS_WRITE_CONFIG_WORD),
+ "c" (value),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -276,18 +294,21 @@
+
+ save_flags(flags); cli();
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
++ "movl %3, %%ebx\n\t" /* put the value into ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%esi)\n\t"
+ #else
+ "lcall *(%%esi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "popl %%ebx\n\t" /* restore %ebx */
++ "xor %%ah, %%ah\n\t"
+ "1:"
+ : "=a" (ret)
+ : "0" (PCIBIOS_WRITE_CONFIG_DWORD),
+ "c" (value),
+- "b" (bx),
++ "r" (bx),
+ "D" ((long) where),
+ "S" (&pci_indirect));
+ restore_flags(flags);
+@@ -308,20 +329,22 @@
+
+ save_flags(flags);
+ __asm__(
++ "pushl %%ebx\n\t" /* save %ebx */
+ #ifdef ABSOLUTE_WITHOUT_ASTERISK
+ "lcall (%%edi)\n\t"
+ #else
+ "lcall *(%%edi)\n\t"
+ #endif
+ "jc 1f\n\t"
+- "xor %%ah, %%ah\n"
++ "xor %%ah, %%ah\n\t"
+ "1:\tshl $8, %%eax\n\t"
+- "movw %%bx, %%ax"
++ "movw %%bx, %%ax\n\t"
++ "popl %%ebx\n\t" /* restore %ebx */
+ : "=d" (signature),
+ "=a" (pack)
+ : "1" (PCIBIOS_PCI_BIOS_PRESENT),
+ "D" (&pci_indirect)
+- : "bx", "cx");
++ : "cx");
+ restore_flags(flags);
+
+ present_status = (pack >> 16) & 0xff;
+diff -Nur grub-0.97/netboot/sis900.c grub-0.97-patched/netboot/sis900.c
+--- grub-0.97/netboot/sis900.c 2003-07-09 13:45:38.000000000 +0200
++++ grub-0.97-patched/netboot/sis900.c 2012-11-11 17:07:12.725729531 +0100
+@@ -901,7 +901,7 @@
+ const char *p) /* Packet */
+ {
+ u32 status, to, nstype;
+- u32 tx_status;
++ volatile u32 tx_status;
+
+ /* Stop the transmitter */
+ outl(TxDIS, ioaddr + cr);
+@@ -940,7 +940,7 @@
+
+ to = currticks() + TX_TIMEOUT;
+
+- while ((((volatile u32) tx_status=txd.cmdsts) & OWN) && (currticks() < to))
++ while (((tx_status=txd.cmdsts) & OWN) && (currticks() < to))
+ /* wait */ ;
+
+ if (currticks() >= to) {
+diff -Nur grub-0.97/stage1/Makefile.am grub-0.97-patched/stage1/Makefile.am
+--- grub-0.97/stage1/Makefile.am 2004-07-16 13:44:56.000000000 +0200
++++ grub-0.97-patched/stage1/Makefile.am 2012-11-11 17:07:12.747730236 +0100
+@@ -1,11 +1,11 @@
+-pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
+-nodist_pkglib_DATA = stage1
++stagedir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
++nodist_stage_DATA = stage1
+
+-CLEANFILES = $(nodist_pkglib_DATA)
++CLEANFILES = $(nodist_stage_DATA)
+
+ # We can't use builtins or standard includes.
+ AM_CCASFLAGS = $(STAGE1_CFLAGS) -fno-builtin -nostdinc
+-LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
++stage1_exec_LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
+
+ noinst_PROGRAMS = stage1.exec
+ stage1_exec_SOURCES = stage1.S stage1.h
+diff -Nur grub-0.97/stage2/asm.S grub-0.97-patched/stage2/asm.S
+--- grub-0.97/stage2/asm.S 2004-06-19 18:55:22.000000000 +0200
++++ grub-0.97-patched/stage2/asm.S 2012-11-11 17:07:03.850446017 +0100
+@@ -1651,7 +1651,29 @@
+ jnz 3f
+ ret
+
+-3: /* use keyboard controller */
++3: /*
++ * try to switch gateA20 using PORT92, the "Fast A20 and Init"
++ * register
++ */
++ mov $0x92, %dx
++ inb %dx, %al
++ /* skip the port92 code if it's unimplemented (read returns 0xff) */
++ cmpb $0xff, %al
++ jz 6f
++
++ /* set or clear bit1, the ALT_A20_GATE bit */
++ movb 4(%esp), %ah
++ testb %ah, %ah
++ jz 4f
++ orb $2, %al
++ jmp 5f
++4: and $0xfd, %al
++
++ /* clear the INIT_NOW bit don't accidently reset the machine */
++5: and $0xfe, %al
++ outb %al, %dx
++
++6: /* use keyboard controller */
+ pushl %eax
+
+ call gloop1
+@@ -1661,9 +1683,12 @@
+
+ gloopint1:
+ inb $K_STATUS
++ cmpb $0xff, %al
++ jz gloopint1_done
+ andb $K_IBUF_FUL, %al
+ jnz gloopint1
+
++gloopint1_done:
+ movb $KB_OUTPUT_MASK, %al
+ cmpb $0, 0x8(%esp)
+ jz gdoit
+@@ -1684,6 +1709,8 @@
+
+ gloop1:
+ inb $K_STATUS
++ cmpb $0xff, %al
++ jz gloop2ret
+ andb $K_IBUF_FUL, %al
+ jnz gloop1
+
+@@ -1991,6 +2018,11 @@
+ ENTRY(console_getkey)
+ push %ebp
+
++wait_for_key:
++ call EXT_C(console_checkkey)
++ incl %eax
++ jz wait_for_key
++
+ call EXT_C(prot_to_real)
+ .code16
+
+@@ -2216,6 +2248,156 @@
+ pop %ebx
+ pop %ebp
+ ret
++
++/* graphics mode functions */
++#ifdef SUPPORT_GRAPHICS
++VARIABLE(cursorX)
++.word 0
++VARIABLE(cursorY)
++.word 0
++VARIABLE(cursorCount)
++.word 0
++VARIABLE(cursorBuf)
++.byte 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
++
++
++/*
++ * int set_videomode(mode)
++ * BIOS call "INT 10H Function 0h" to set video mode
++ * Call with %ah = 0x0
++ * %al = video mode
++ * Returns old videomode.
++ */
++ENTRY(set_videomode)
++ push %ebp
++ push %ebx
++ push %ecx
++
++ movb 0x10(%esp), %cl
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ xorw %bx, %bx
++ movb $0xf, %ah
++ int $0x10 /* Get Current Video mode */
++ movb %al, %ch
++ xorb %ah, %ah
++ movb %cl, %al
++ int $0x10 /* Set Video mode */
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ xorb %ah, %ah
++ movb %ch, %al
++
++ pop %ecx
++ pop %ebx
++ pop %ebp
++ ret
++
++
++/*
++ * unsigned char * graphics_get_font()
++ * BIOS call "INT 10H Function 11h" to set font
++ * Call with %ah = 0x11
++ */
++ENTRY(graphics_get_font)
++ push %ebp
++ push %ebx
++ push %ecx
++ push %edx
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ movw $0x1130, %ax
++ movb $6, %bh /* font 8x16 */
++ int $0x10
++ movw %bp, %dx
++ movw %es, %cx
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ xorl %eax, %eax
++ movw %cx, %ax
++ shll $4, %eax
++ movw %dx, %ax
++
++ pop %edx
++ pop %ecx
++ pop %ebx
++ pop %ebp
++ ret
++
++
++
++/*
++ * graphics_set_palette(index, red, green, blue)
++ * BIOS call "INT 10H Function 10h" to set individual dac register
++ * Call with %ah = 0x10
++ * %bx = register number
++ * %ch = new value for green (0-63)
++ * %cl = new value for blue (0-63)
++ * %dh = new value for red (0-63)
++ */
++
++ENTRY(graphics_set_palette)
++ push %ebp
++ push %eax
++ push %ebx
++ push %ecx
++ push %edx
++
++ movw $0x3c8, %bx /* address write mode register */
++
++ /* wait vertical retrace */
++
++ movw $0x3da, %dx
++l1b: inb %dx, %al /* wait vertical active display */
++ test $8, %al
++ jnz l1b
++
++l2b: inb %dx, %al /* wait vertical retrace */
++ test $8, %al
++ jnz l2b
++
++ mov %bx, %dx
++ movb 0x18(%esp), %al /* index */
++ outb %al, %dx
++ inc %dx
++
++ movb 0x1c(%esp), %al /* red */
++ outb %al, %dx
++
++ movb 0x20(%esp), %al /* green */
++ outb %al, %dx
++
++ movb 0x24(%esp), %al /* blue */
++ outb %al, %dx
++
++ movw 0x18(%esp), %bx
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ movb %bl, %bh
++ movw $0x1000, %ax
++ int $0x10
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ pop %edx
++ pop %ecx
++ pop %ebx
++ pop %eax
++ pop %ebp
++ ret
++
++#endif /* SUPPORT_GRAPHICS */
+
+ /*
+ * getrtsecs()
+diff -Nur grub-0.97/stage2/bios.c grub-0.97-patched/stage2/bios.c
+--- grub-0.97/stage2/bios.c 2004-03-27 17:34:04.000000000 +0100
++++ grub-0.97-patched/stage2/bios.c 2012-11-11 17:07:12.751730363 +0100
+@@ -47,7 +47,7 @@
+ return the error number. Otherwise, return 0. */
+ int
+ biosdisk (int read, int drive, struct geometry *geometry,
+- int sector, int nsec, int segment)
++ unsigned int sector, int nsec, int segment)
+ {
+ int err;
+
+@@ -60,7 +60,18 @@
+ unsigned short blocks;
+ unsigned long buffer;
+ unsigned long long block;
+- } __attribute__ ((packed)) dap;
++
++ /* This structure is passed in the stack. A buggy BIOS could write
++ * garbage data to the tail of the struct and hang the machine. So
++ * we need this protection. - Tinybit
++ */
++ unsigned char dummy[16];
++ } __attribute__ ((packed)) *dap;
++
++ /* Even the above protection is not enough to avoid stupid actions by
++ * buggy BIOSes. So we do it in the 0040:0000 segment. - Tinybit
++ */
++ dap = (struct disk_address_packet *)0x580;
+
+ /* XXX: Don't check the geometry by default, because some buggy
+ BIOSes don't return the number of total sectors correctly,
+@@ -72,15 +83,15 @@
+
+ /* FIXME: sizeof (DAP) must be 0x10. Should assert that the compiler
+ can't add any padding. */
+- dap.length = sizeof (dap);
+- dap.block = sector;
+- dap.blocks = nsec;
+- dap.reserved = 0;
++ dap->length = 0x10;
++ dap->block = sector;
++ dap->blocks = nsec;
++ dap->reserved = 0;
+ /* This is undocumented part. The address is formated in
+ SEGMENT:ADDRESS. */
+- dap.buffer = segment << 16;
++ dap->buffer = segment << 16;
+
+- err = biosdisk_int13_extensions ((read + 0x42) << 8, drive, &dap);
++ err = biosdisk_int13_extensions ((read + 0x42) << 8, drive, dap);
+
+ /* #undef NO_INT13_FALLBACK */
+ #ifndef NO_INT13_FALLBACK
+diff -Nur grub-0.97/stage2/boot.c grub-0.97-patched/stage2/boot.c
+--- grub-0.97/stage2/boot.c 2004-03-30 13:44:08.000000000 +0200
++++ grub-0.97-patched/stage2/boot.c 2012-11-11 17:07:12.727729596 +0100
+@@ -1,7 +1,7 @@
+ /* boot.c - load and bootstrap a kernel */
+ /*
+ * GRUB -- GRand Unified Bootloader
+- * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
++ * Copyright (C) 1999,2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+@@ -96,7 +96,7 @@
+ lh = (struct linux_kernel_header *) buffer;
+
+ /* ELF loading supported if multiboot, FreeBSD and NetBSD. */
+- if ((type == KERNEL_TYPE_MULTIBOOT
++ if (((type == KERNEL_TYPE_MULTIBOOT && ! (flags & MULTIBOOT_AOUT_KLUDGE))
+ || pu.elf->e_ident[EI_OSABI] == ELFOSABI_FREEBSD
+ || grub_strcmp (pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0
+ || suggested_type == KERNEL_TYPE_NETBSD)
+@@ -241,7 +241,7 @@
+ }
+
+ if (lh->version >= 0x0202)
+- lh->cmd_line_ptr = linux_data_real_addr + LINUX_CL_OFFSET;
++ lh->cmd_line_ptr = linux_data_real_addr + LINUX_CL_0202_PRM_OFFSET;
+ else
+ {
+ lh->cl_magic = LINUX_CL_MAGIC;
+@@ -407,6 +407,15 @@
+ while (dest < linux_data_tmp_addr + LINUX_CL_END_OFFSET && *src)
+ *(dest++) = *(src++);
+
++ {
++ char *src = skip_to (0, arg);
++ char *dest = linux_data_tmp_addr + LINUX_CL_0202_PRM_OFFSET;
++
++ while (dest < linux_data_tmp_addr + LINUX_CL_0202_PRM_END_OFFSET && *src)
++ *(dest++) = *(src++);
++ *dest = 0;
++ }
++
+ /* Old Linux kernels have problems determining the amount of
+ the available memory. To work around this problem, we add
+ the "mem" option to the kernel command line. This has its
+@@ -824,8 +833,11 @@
+ moveto = (mbi.mem_upper + 0x400) << 10;
+
+ moveto = (moveto - len) & 0xfffff000;
+- max_addr = (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0203
+- ? lh->initrd_addr_max : LINUX_INITRD_MAX_ADDRESS);
++ max_addr = LINUX_INITRD_MAX_ADDRESS;
++ if (lh->header == LINUX_MAGIC_SIGNATURE &&
++ lh->version >= 0x0203 &&
++ lh->initrd_addr_max < max_addr)
++ max_addr = lh->initrd_addr_max;
+ if (moveto + len >= max_addr)
+ moveto = (max_addr - len) & 0xfffff000;
+
+diff -Nur grub-0.97/stage2/boot.c.orig grub-0.97-patched/stage2/boot.c.orig
+--- grub-0.97/stage2/boot.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/boot.c.orig 2004-03-30 13:44:08.000000000 +0200
+@@ -0,0 +1,1020 @@
++/* boot.c - load and bootstrap a kernel */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++
++#include "shared.h"
++
++#include "freebsd.h"
++#include "imgact_aout.h"
++#include "i386-elf.h"
++
++static int cur_addr;
++entry_func entry_addr;
++static struct mod_list mll[99];
++static int linux_mem_size;
++
++/*
++ * The next two functions, 'load_image' and 'load_module', are the building
++ * blocks of the multiboot loader component. They handle essentially all
++ * of the gory details of loading in a bootable image and the modules.
++ */
++
++kernel_t
++load_image (char *kernel, char *arg, kernel_t suggested_type,
++ unsigned long load_flags)
++{
++ int len, i, exec_type = 0, align_4k = 1;
++ entry_func real_entry_addr = 0;
++ kernel_t type = KERNEL_TYPE_NONE;
++ unsigned long flags = 0, text_len = 0, data_len = 0, bss_len = 0;
++ char *str = 0, *str2 = 0;
++ struct linux_kernel_header *lh;
++ union
++ {
++ struct multiboot_header *mb;
++ struct exec *aout;
++ Elf32_Ehdr *elf;
++ }
++ pu;
++ /* presuming that MULTIBOOT_SEARCH is large enough to encompass an
++ executable header */
++ unsigned char buffer[MULTIBOOT_SEARCH];
++
++ /* sets the header pointer to point to the beginning of the
++ buffer by default */
++ pu.aout = (struct exec *) buffer;
++
++ if (!grub_open (kernel))
++ return KERNEL_TYPE_NONE;
++
++ if (!(len = grub_read (buffer, MULTIBOOT_SEARCH)) || len < 32)
++ {
++ grub_close ();
++
++ if (!errnum)
++ errnum = ERR_EXEC_FORMAT;
++
++ return KERNEL_TYPE_NONE;
++ }
++
++ for (i = 0; i < len; i++)
++ {
++ if (MULTIBOOT_FOUND ((int) (buffer + i), len - i))
++ {
++ flags = ((struct multiboot_header *) (buffer + i))->flags;
++ if (flags & MULTIBOOT_UNSUPPORTED)
++ {
++ grub_close ();
++ errnum = ERR_BOOT_FEATURES;
++ return KERNEL_TYPE_NONE;
++ }
++ type = KERNEL_TYPE_MULTIBOOT;
++ str2 = "Multiboot";
++ break;
++ }
++ }
++
++ /* Use BUFFER as a linux kernel header, if the image is Linux zImage
++ or bzImage. */
++ lh = (struct linux_kernel_header *) buffer;
++
++ /* ELF loading supported if multiboot, FreeBSD and NetBSD. */
++ if ((type == KERNEL_TYPE_MULTIBOOT
++ || pu.elf->e_ident[EI_OSABI] == ELFOSABI_FREEBSD
++ || grub_strcmp (pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0
++ || suggested_type == KERNEL_TYPE_NETBSD)
++ && len > sizeof (Elf32_Ehdr)
++ && BOOTABLE_I386_ELF ((*((Elf32_Ehdr *) buffer))))
++ {
++ if (type == KERNEL_TYPE_MULTIBOOT)
++ entry_addr = (entry_func) pu.elf->e_entry;
++ else
++ entry_addr = (entry_func) (pu.elf->e_entry & 0xFFFFFF);
++
++ if (entry_addr < (entry_func) 0x100000)
++ errnum = ERR_BELOW_1MB;
++
++ /* don't want to deal with ELF program header at some random
++ place in the file -- this generally won't happen */
++ if (pu.elf->e_phoff == 0 || pu.elf->e_phnum == 0
++ || ((pu.elf->e_phoff + (pu.elf->e_phentsize * pu.elf->e_phnum))
++ >= len))
++ errnum = ERR_EXEC_FORMAT;
++ str = "elf";
++
++ if (type == KERNEL_TYPE_NONE)
++ {
++ /* At the moment, there is no way to identify a NetBSD ELF
++ kernel, so rely on the suggested type by the user. */
++ if (suggested_type == KERNEL_TYPE_NETBSD)
++ {
++ str2 = "NetBSD";
++ type = suggested_type;
++ }
++ else
++ {
++ str2 = "FreeBSD";
++ type = KERNEL_TYPE_FREEBSD;
++ }
++ }
++ }
++ else if (flags & MULTIBOOT_AOUT_KLUDGE)
++ {
++ pu.mb = (struct multiboot_header *) (buffer + i);
++ entry_addr = (entry_func) pu.mb->entry_addr;
++ cur_addr = pu.mb->load_addr;
++ /* first offset into file */
++ grub_seek (i - (pu.mb->header_addr - cur_addr));
++
++ /* If the load end address is zero, load the whole contents. */
++ if (! pu.mb->load_end_addr)
++ pu.mb->load_end_addr = cur_addr + filemax;
++
++ text_len = pu.mb->load_end_addr - cur_addr;
++ data_len = 0;
++
++ /* If the bss end address is zero, assume that there is no bss area. */
++ if (! pu.mb->bss_end_addr)
++ pu.mb->bss_end_addr = pu.mb->load_end_addr;
++
++ bss_len = pu.mb->bss_end_addr - pu.mb->load_end_addr;
++
++ if (pu.mb->header_addr < pu.mb->load_addr
++ || pu.mb->load_end_addr <= pu.mb->load_addr
++ || pu.mb->bss_end_addr < pu.mb->load_end_addr
++ || (pu.mb->header_addr - pu.mb->load_addr) > i)
++ errnum = ERR_EXEC_FORMAT;
++
++ if (cur_addr < 0x100000)
++ errnum = ERR_BELOW_1MB;
++
++ pu.aout = (struct exec *) buffer;
++ exec_type = 2;
++ str = "kludge";
++ }
++ else if (len > sizeof (struct exec) && !N_BADMAG ((*(pu.aout))))
++ {
++ entry_addr = (entry_func) pu.aout->a_entry;
++
++ if (type == KERNEL_TYPE_NONE)
++ {
++ /*
++ * If it doesn't have a Multiboot header, then presume
++ * it is either a FreeBSD or NetBSD executable. If so,
++ * then use a magic number of normal ordering, ZMAGIC to
++ * determine if it is FreeBSD.
++ *
++ * This is all because freebsd and netbsd seem to require
++ * masking out some address bits... differently for each
++ * one... plus of course we need to know which booting
++ * method to use.
++ */
++ entry_addr = (entry_func) ((int) entry_addr & 0xFFFFFF);
++
++ if (buffer[0] == 0xb && buffer[1] == 1)
++ {
++ type = KERNEL_TYPE_FREEBSD;
++ cur_addr = (int) entry_addr;
++ str2 = "FreeBSD";
++ }
++ else
++ {
++ type = KERNEL_TYPE_NETBSD;
++ cur_addr = (int) entry_addr & 0xF00000;
++ if (N_GETMAGIC ((*(pu.aout))) != NMAGIC)
++ align_4k = 0;
++ str2 = "NetBSD";
++ }
++ }
++
++ /* first offset into file */
++ grub_seek (N_TXTOFF (*(pu.aout)));
++ text_len = pu.aout->a_text;
++ data_len = pu.aout->a_data;
++ bss_len = pu.aout->a_bss;
++
++ if (cur_addr < 0x100000)
++ errnum = ERR_BELOW_1MB;
++
++ exec_type = 1;
++ str = "a.out";
++ }
++ else if (lh->boot_flag == BOOTSEC_SIGNATURE
++ && lh->setup_sects <= LINUX_MAX_SETUP_SECTS)
++ {
++ int big_linux = 0;
++ int setup_sects = lh->setup_sects;
++
++ if (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0200)
++ {
++ big_linux = (lh->loadflags & LINUX_FLAG_BIG_KERNEL);
++ lh->type_of_loader = LINUX_BOOT_LOADER_TYPE;
++
++ /* Put the real mode part at as a high location as possible. */
++ linux_data_real_addr
++ = (char *) ((mbi.mem_lower << 10) - LINUX_SETUP_MOVE_SIZE);
++ /* But it must not exceed the traditional area. */
++ if (linux_data_real_addr > (char *) LINUX_OLD_REAL_MODE_ADDR)
++ linux_data_real_addr = (char *) LINUX_OLD_REAL_MODE_ADDR;
++
++ if (lh->version >= 0x0201)
++ {
++ lh->heap_end_ptr = LINUX_HEAP_END_OFFSET;
++ lh->loadflags |= LINUX_FLAG_CAN_USE_HEAP;
++ }
++
++ if (lh->version >= 0x0202)
++ lh->cmd_line_ptr = linux_data_real_addr + LINUX_CL_OFFSET;
++ else
++ {
++ lh->cl_magic = LINUX_CL_MAGIC;
++ lh->cl_offset = LINUX_CL_OFFSET;
++ lh->setup_move_size = LINUX_SETUP_MOVE_SIZE;
++ }
++ }
++ else
++ {
++ /* Your kernel is quite old... */
++ lh->cl_magic = LINUX_CL_MAGIC;
++ lh->cl_offset = LINUX_CL_OFFSET;
++
++ setup_sects = LINUX_DEFAULT_SETUP_SECTS;
++
++ linux_data_real_addr = (char *) LINUX_OLD_REAL_MODE_ADDR;
++ }
++
++ /* If SETUP_SECTS is not set, set it to the default (4). */
++ if (! setup_sects)
++ setup_sects = LINUX_DEFAULT_SETUP_SECTS;
++
++ data_len = setup_sects << 9;
++ text_len = filemax - data_len - SECTOR_SIZE;
++
++ linux_data_tmp_addr = (char *) LINUX_BZIMAGE_ADDR + text_len;
++
++ if (! big_linux
++ && text_len > linux_data_real_addr - (char *) LINUX_ZIMAGE_ADDR)
++ {
++ grub_printf (" linux 'zImage' kernel too big, try 'make bzImage'\n");
++ errnum = ERR_WONT_FIT;
++ }
++ else if (linux_data_real_addr + LINUX_SETUP_MOVE_SIZE
++ > RAW_ADDR ((char *) (mbi.mem_lower << 10)))
++ errnum = ERR_WONT_FIT;
++ else
++ {
++ grub_printf (" [Linux-%s, setup=0x%x, size=0x%x]\n",
++ (big_linux ? "bzImage" : "zImage"), data_len, text_len);
++
++ /* Video mode selection support. What a mess! */
++ /* NOTE: Even the word "mess" is not still enough to
++ represent how wrong and bad the Linux video support is,
++ but I don't want to hear complaints from Linux fanatics
++ any more. -okuji */
++ {
++ char *vga;
++
++ /* Find the substring "vga=". */
++ vga = grub_strstr (arg, "vga=");
++ if (vga)
++ {
++ char *value = vga + 4;
++ int vid_mode;
++
++ /* Handle special strings. */
++ if (substring ("normal", value) < 1)
++ vid_mode = LINUX_VID_MODE_NORMAL;
++ else if (substring ("ext", value) < 1)
++ vid_mode = LINUX_VID_MODE_EXTENDED;
++ else if (substring ("ask", value) < 1)
++ vid_mode = LINUX_VID_MODE_ASK;
++ else if (safe_parse_maxint (&value, &vid_mode))
++ ;
++ else
++ {
++ /* ERRNUM is already set inside the function
++ safe_parse_maxint. */
++ grub_close ();
++ return KERNEL_TYPE_NONE;
++ }
++
++ lh->vid_mode = vid_mode;
++ }
++ }
++
++ /* Check the mem= option to limit memory used for initrd. */
++ {
++ char *mem;
++
++ mem = grub_strstr (arg, "mem=");
++ if (mem)
++ {
++ char *value = mem + 4;
++
++ safe_parse_maxint (&value, &linux_mem_size);
++ switch (errnum)
++ {
++ case ERR_NUMBER_OVERFLOW:
++ /* If an overflow occurs, use the maximum address for
++ initrd instead. This is good, because MAXINT is
++ greater than LINUX_INITRD_MAX_ADDRESS. */
++ linux_mem_size = LINUX_INITRD_MAX_ADDRESS;
++ errnum = ERR_NONE;
++ break;
++
++ case ERR_NONE:
++ {
++ int shift = 0;
++
++ switch (grub_tolower (*value))
++ {
++ case 'g':
++ shift += 10;
++ case 'm':
++ shift += 10;
++ case 'k':
++ shift += 10;
++ default:
++ break;
++ }
++
++ /* Check an overflow. */
++ if (linux_mem_size > (MAXINT >> shift))
++ linux_mem_size = LINUX_INITRD_MAX_ADDRESS;
++ else
++ linux_mem_size <<= shift;
++ }
++ break;
++
++ default:
++ linux_mem_size = 0;
++ errnum = ERR_NONE;
++ break;
++ }
++ }
++ else
++ linux_mem_size = 0;
++ }
++
++ /* It is possible that DATA_LEN + SECTOR_SIZE is greater than
++ MULTIBOOT_SEARCH, so the data may have been read partially. */
++ if (data_len + SECTOR_SIZE <= MULTIBOOT_SEARCH)
++ grub_memmove (linux_data_tmp_addr, buffer,
++ data_len + SECTOR_SIZE);
++ else
++ {
++ grub_memmove (linux_data_tmp_addr, buffer, MULTIBOOT_SEARCH);
++ grub_read (linux_data_tmp_addr + MULTIBOOT_SEARCH,
++ data_len + SECTOR_SIZE - MULTIBOOT_SEARCH);
++ }
++
++ if (lh->header != LINUX_MAGIC_SIGNATURE ||
++ lh->version < 0x0200)
++ /* Clear the heap space. */
++ grub_memset (linux_data_tmp_addr + ((setup_sects + 1) << 9),
++ 0,
++ (64 - setup_sects - 1) << 9);
++
++ /* Copy command-line plus memory hack to staging area.
++ NOTE: Linux has a bug that it doesn't handle multiple spaces
++ between two options and a space after a "mem=" option isn't
++ removed correctly so the arguments to init could be like
++ {"init", "", "", NULL}. This affects some not-very-clever
++ shells. Thus, the code below does a trick to avoid the bug.
++ That is, copy "mem=XXX" to the end of the command-line, and
++ avoid to copy spaces unnecessarily. Hell. */
++ {
++ char *src = skip_to (0, arg);
++ char *dest = linux_data_tmp_addr + LINUX_CL_OFFSET;
++
++ while (dest < linux_data_tmp_addr + LINUX_CL_END_OFFSET && *src)
++ *(dest++) = *(src++);
++
++ /* Old Linux kernels have problems determining the amount of
++ the available memory. To work around this problem, we add
++ the "mem" option to the kernel command line. This has its
++ own drawbacks because newer kernels can determine the
++ memory map more accurately. Boot protocol 2.03, which
++ appeared in Linux 2.4.18, provides a pointer to the kernel
++ version string, so we could check it. But since kernel
++ 2.4.18 and newer are known to detect memory reliably, boot
++ protocol 2.03 already implies that the kernel is new
++ enough. The "mem" option is added if neither of the
++ following conditions is met:
++ 1) The "mem" option is already present.
++ 2) The "kernel" command is used with "--no-mem-option".
++ 3) GNU GRUB is configured not to pass the "mem" option.
++ 4) The kernel supports boot protocol 2.03 or newer. */
++ if (! grub_strstr (arg, "mem=")
++ && ! (load_flags & KERNEL_LOAD_NO_MEM_OPTION)
++ && lh->version < 0x0203 /* kernel version < 2.4.18 */
++ && dest + 15 < linux_data_tmp_addr + LINUX_CL_END_OFFSET)
++ {
++ *dest++ = ' ';
++ *dest++ = 'm';
++ *dest++ = 'e';
++ *dest++ = 'm';
++ *dest++ = '=';
++
++ dest = convert_to_ascii (dest, 'u', (extended_memory + 0x400));
++ *dest++ = 'K';
++ }
++
++ *dest = 0;
++ }
++
++ /* offset into file */
++ grub_seek (data_len + SECTOR_SIZE);
++
++ cur_addr = (int) linux_data_tmp_addr + LINUX_SETUP_MOVE_SIZE;
++ grub_read ((char *) LINUX_BZIMAGE_ADDR, text_len);
++
++ if (errnum == ERR_NONE)
++ {
++ grub_close ();
++
++ /* Sanity check. */
++ if (suggested_type != KERNEL_TYPE_NONE
++ && ((big_linux && suggested_type != KERNEL_TYPE_BIG_LINUX)
++ || (! big_linux && suggested_type != KERNEL_TYPE_LINUX)))
++ {
++ errnum = ERR_EXEC_FORMAT;
++ return KERNEL_TYPE_NONE;
++ }
++
++ /* Ugly hack. */
++ linux_text_len = text_len;
++
++ return big_linux ? KERNEL_TYPE_BIG_LINUX : KERNEL_TYPE_LINUX;
++ }
++ }
++ }
++ else /* no recognizable format */
++ errnum = ERR_EXEC_FORMAT;
++
++ /* return if error */
++ if (errnum)
++ {
++ grub_close ();
++ return KERNEL_TYPE_NONE;
++ }
++
++ /* fill the multiboot info structure */
++ mbi.cmdline = (int) arg;
++ mbi.mods_count = 0;
++ mbi.mods_addr = 0;
++ mbi.boot_device = (current_drive << 24) | current_partition;
++ mbi.flags &= ~(MB_INFO_MODS | MB_INFO_AOUT_SYMS | MB_INFO_ELF_SHDR);
++ mbi.syms.a.tabsize = 0;
++ mbi.syms.a.strsize = 0;
++ mbi.syms.a.addr = 0;
++ mbi.syms.a.pad = 0;
++
++ printf (" [%s-%s", str2, str);
++
++ str = "";
++
++ if (exec_type) /* can be loaded like a.out */
++ {
++ if (flags & MULTIBOOT_AOUT_KLUDGE)
++ str = "-and-data";
++
++ printf (", loadaddr=0x%x, text%s=0x%x", cur_addr, str, text_len);
++
++ /* read text, then read data */
++ if (grub_read ((char *) RAW_ADDR (cur_addr), text_len) == text_len)
++ {
++ cur_addr += text_len;
++
++ if (!(flags & MULTIBOOT_AOUT_KLUDGE))
++ {
++ /* we have to align to a 4K boundary */
++ if (align_4k)
++ cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
++ else
++ printf (", C");
++
++ printf (", data=0x%x", data_len);
++
++ if ((grub_read ((char *) RAW_ADDR (cur_addr), data_len)
++ != data_len)
++ && !errnum)
++ errnum = ERR_EXEC_FORMAT;
++ cur_addr += data_len;
++ }
++
++ if (!errnum)
++ {
++ memset ((char *) RAW_ADDR (cur_addr), 0, bss_len);
++ cur_addr += bss_len;
++
++ printf (", bss=0x%x", bss_len);
++ }
++ }
++ else if (!errnum)
++ errnum = ERR_EXEC_FORMAT;
++
++ if (!errnum && pu.aout->a_syms
++ && pu.aout->a_syms < (filemax - filepos))
++ {
++ int symtab_err, orig_addr = cur_addr;
++
++ /* we should align to a 4K boundary here for good measure */
++ if (align_4k)
++ cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
++
++ mbi.syms.a.addr = cur_addr;
++
++ *((int *) RAW_ADDR (cur_addr)) = pu.aout->a_syms;
++ cur_addr += sizeof (int);
++
++ printf (", symtab=0x%x", pu.aout->a_syms);
++
++ if (grub_read ((char *) RAW_ADDR (cur_addr), pu.aout->a_syms)
++ == pu.aout->a_syms)
++ {
++ cur_addr += pu.aout->a_syms;
++ mbi.syms.a.tabsize = pu.aout->a_syms;
++
++ if (grub_read ((char *) &i, sizeof (int)) == sizeof (int))
++ {
++ *((int *) RAW_ADDR (cur_addr)) = i;
++ cur_addr += sizeof (int);
++
++ mbi.syms.a.strsize = i;
++
++ i -= sizeof (int);
++
++ printf (", strtab=0x%x", i);
++
++ symtab_err = (grub_read ((char *) RAW_ADDR (cur_addr), i)
++ != i);
++ cur_addr += i;
++ }
++ else
++ symtab_err = 1;
++ }
++ else
++ symtab_err = 1;
++
++ if (symtab_err)
++ {
++ printf ("(bad)");
++ cur_addr = orig_addr;
++ mbi.syms.a.tabsize = 0;
++ mbi.syms.a.strsize = 0;
++ mbi.syms.a.addr = 0;
++ }
++ else
++ mbi.flags |= MB_INFO_AOUT_SYMS;
++ }
++ }
++ else
++ /* ELF executable */
++ {
++ unsigned loaded = 0, memaddr, memsiz, filesiz;
++ Elf32_Phdr *phdr;
++
++ /* reset this to zero for now */
++ cur_addr = 0;
++
++ /* scan for program segments */
++ for (i = 0; i < pu.elf->e_phnum; i++)
++ {
++ phdr = (Elf32_Phdr *)
++ (pu.elf->e_phoff + ((int) buffer)
++ + (pu.elf->e_phentsize * i));
++ if (phdr->p_type == PT_LOAD)
++ {
++ /* offset into file */
++ grub_seek (phdr->p_offset);
++ filesiz = phdr->p_filesz;
++
++ if (type == KERNEL_TYPE_FREEBSD || type == KERNEL_TYPE_NETBSD)
++ memaddr = RAW_ADDR (phdr->p_paddr & 0xFFFFFF);
++ else
++ memaddr = RAW_ADDR (phdr->p_paddr);
++
++ memsiz = phdr->p_memsz;
++ if (memaddr < RAW_ADDR (0x100000))
++ errnum = ERR_BELOW_1MB;
++
++ /* If the memory range contains the entry address, get the
++ physical address here. */
++ if (type == KERNEL_TYPE_MULTIBOOT
++ && (unsigned) entry_addr >= phdr->p_vaddr
++ && (unsigned) entry_addr < phdr->p_vaddr + memsiz)
++ real_entry_addr = (entry_func) ((unsigned) entry_addr
++ + memaddr - phdr->p_vaddr);
++
++ /* make sure we only load what we're supposed to! */
++ if (filesiz > memsiz)
++ filesiz = memsiz;
++ /* mark memory as used */
++ if (cur_addr < memaddr + memsiz)
++ cur_addr = memaddr + memsiz;
++ printf (", <0x%x:0x%x:0x%x>", memaddr, filesiz,
++ memsiz - filesiz);
++ /* increment number of segments */
++ loaded++;
++
++ /* load the segment */
++ if (memcheck (memaddr, memsiz)
++ && grub_read ((char *) memaddr, filesiz) == filesiz)
++ {
++ if (memsiz > filesiz)
++ memset ((char *) (memaddr + filesiz), 0, memsiz - filesiz);
++ }
++ else
++ break;
++ }
++ }
++
++ if (! errnum)
++ {
++ if (! loaded)
++ errnum = ERR_EXEC_FORMAT;
++ else
++ {
++ /* Load ELF symbols. */
++ Elf32_Shdr *shdr = NULL;
++ int tab_size, sec_size;
++ int symtab_err = 0;
++
++ mbi.syms.e.num = pu.elf->e_shnum;
++ mbi.syms.e.size = pu.elf->e_shentsize;
++ mbi.syms.e.shndx = pu.elf->e_shstrndx;
++
++ /* We should align to a 4K boundary here for good measure. */
++ if (align_4k)
++ cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
++
++ tab_size = pu.elf->e_shentsize * pu.elf->e_shnum;
++
++ grub_seek (pu.elf->e_shoff);
++ if (grub_read ((char *) RAW_ADDR (cur_addr), tab_size)
++ == tab_size)
++ {
++ mbi.syms.e.addr = cur_addr;
++ shdr = (Elf32_Shdr *) mbi.syms.e.addr;
++ cur_addr += tab_size;
++
++ printf (", shtab=0x%x", cur_addr);
++
++ for (i = 0; i < mbi.syms.e.num; i++)
++ {
++ /* This section is a loaded section,
++ so we don't care. */
++ if (shdr[i].sh_addr != 0)
++ continue;
++
++ /* This section is empty, so we don't care. */
++ if (shdr[i].sh_size == 0)
++ continue;
++
++ /* Align the section to a sh_addralign bits boundary. */
++ cur_addr = ((cur_addr + shdr[i].sh_addralign) &
++ - (int) shdr[i].sh_addralign);
++
++ grub_seek (shdr[i].sh_offset);
++
++ sec_size = shdr[i].sh_size;
++
++ if (! (memcheck (cur_addr, sec_size)
++ && (grub_read ((char *) RAW_ADDR (cur_addr),
++ sec_size)
++ == sec_size)))
++ {
++ symtab_err = 1;
++ break;
++ }
++
++ shdr[i].sh_addr = cur_addr;
++ cur_addr += sec_size;
++ }
++ }
++ else
++ symtab_err = 1;
++
++ if (mbi.syms.e.addr < RAW_ADDR(0x10000))
++ symtab_err = 1;
++
++ if (symtab_err)
++ {
++ printf ("(bad)");
++ mbi.syms.e.num = 0;
++ mbi.syms.e.size = 0;
++ mbi.syms.e.addr = 0;
++ mbi.syms.e.shndx = 0;
++ cur_addr = 0;
++ }
++ else
++ mbi.flags |= MB_INFO_ELF_SHDR;
++ }
++ }
++ }
++
++ if (! errnum)
++ {
++ grub_printf (", entry=0x%x]\n", (unsigned) entry_addr);
++
++ /* If the entry address is physically different from that of the ELF
++ header, correct it here. */
++ if (real_entry_addr)
++ entry_addr = real_entry_addr;
++ }
++ else
++ {
++ putchar ('\n');
++ type = KERNEL_TYPE_NONE;
++ }
++
++ grub_close ();
++
++ /* Sanity check. */
++ if (suggested_type != KERNEL_TYPE_NONE && suggested_type != type)
++ {
++ errnum = ERR_EXEC_FORMAT;
++ return KERNEL_TYPE_NONE;
++ }
++
++ return type;
++}
++
++int
++load_module (char *module, char *arg)
++{
++ int len;
++
++ /* if we are supposed to load on 4K boundaries */
++ cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000;
++
++ if (!grub_open (module))
++ return 0;
++
++ len = grub_read ((char *) cur_addr, -1);
++ if (! len)
++ {
++ grub_close ();
++ return 0;
++ }
++
++ printf (" [Multiboot-module @ 0x%x, 0x%x bytes]\n", cur_addr, len);
++
++ /* these two simply need to be set if any modules are loaded at all */
++ mbi.flags |= MB_INFO_MODS;
++ mbi.mods_addr = (int) mll;
++
++ mll[mbi.mods_count].cmdline = (int) arg;
++ mll[mbi.mods_count].mod_start = cur_addr;
++ cur_addr += len;
++ mll[mbi.mods_count].mod_end = cur_addr;
++ mll[mbi.mods_count].pad = 0;
++
++ /* increment number of modules included */
++ mbi.mods_count++;
++
++ grub_close ();
++ return 1;
++}
++
++int
++load_initrd (char *initrd)
++{
++ int len;
++ unsigned long moveto;
++ unsigned long max_addr;
++ struct linux_kernel_header *lh
++ = (struct linux_kernel_header *) (cur_addr - LINUX_SETUP_MOVE_SIZE);
++
++#ifndef NO_DECOMPRESSION
++ no_decompression = 1;
++#endif
++
++ if (! grub_open (initrd))
++ goto fail;
++
++ len = grub_read ((char *) cur_addr, -1);
++ if (! len)
++ {
++ grub_close ();
++ goto fail;
++ }
++
++ if (linux_mem_size)
++ moveto = linux_mem_size;
++ else
++ moveto = (mbi.mem_upper + 0x400) << 10;
++
++ moveto = (moveto - len) & 0xfffff000;
++ max_addr = (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0203
++ ? lh->initrd_addr_max : LINUX_INITRD_MAX_ADDRESS);
++ if (moveto + len >= max_addr)
++ moveto = (max_addr - len) & 0xfffff000;
++
++ /* XXX: Linux 2.3.xx has a bug in the memory range check, so avoid
++ the last page.
++ XXX: Linux 2.2.xx has a bug in the memory range check, which is
++ worse than that of Linux 2.3.xx, so avoid the last 64kb. *sigh* */
++ moveto -= 0x10000;
++ memmove ((void *) RAW_ADDR (moveto), (void *) cur_addr, len);
++
++ printf (" [Linux-initrd @ 0x%x, 0x%x bytes]\n", moveto, len);
++
++ /* FIXME: Should check if the kernel supports INITRD. */
++ lh->ramdisk_image = RAW_ADDR (moveto);
++ lh->ramdisk_size = len;
++
++ grub_close ();
++
++ fail:
++
++#ifndef NO_DECOMPRESSION
++ no_decompression = 0;
++#endif
++
++ return ! errnum;
++}
++
++
++#ifdef GRUB_UTIL
++/* Dummy function to fake the *BSD boot. */
++static void
++bsd_boot_entry (int flags, int bootdev, int sym_start, int sym_end,
++ int mem_upper, int mem_lower)
++{
++ stop ();
++}
++#endif
++
++
++/*
++ * All "*_boot" commands depend on the images being loaded into memory
++ * correctly, the variables in this file being set up correctly, and
++ * the root partition being set in the 'saved_drive' and 'saved_partition'
++ * variables.
++ */
++
++
++void
++bsd_boot (kernel_t type, int bootdev, char *arg)
++{
++ char *str;
++ int clval = 0, i;
++ struct bootinfo bi;
++
++#ifdef GRUB_UTIL
++ entry_addr = (entry_func) bsd_boot_entry;
++#else
++ stop_floppy ();
++#endif
++
++ while (*(++arg) && *arg != ' ');
++ str = arg;
++ while (*str)
++ {
++ if (*str == '-')
++ {
++ while (*str && *str != ' ')
++ {
++ if (*str == 'C')
++ clval |= RB_CDROM;
++ if (*str == 'a')
++ clval |= RB_ASKNAME;
++ if (*str == 'b')
++ clval |= RB_HALT;
++ if (*str == 'c')
++ clval |= RB_CONFIG;
++ if (*str == 'd')
++ clval |= RB_KDB;
++ if (*str == 'D')
++ clval |= RB_MULTIPLE;
++ if (*str == 'g')
++ clval |= RB_GDB;
++ if (*str == 'h')
++ clval |= RB_SERIAL;
++ if (*str == 'm')
++ clval |= RB_MUTE;
++ if (*str == 'r')
++ clval |= RB_DFLTROOT;
++ if (*str == 's')
++ clval |= RB_SINGLE;
++ if (*str == 'v')
++ clval |= RB_VERBOSE;
++ str++;
++ }
++ continue;
++ }
++ str++;
++ }
++
++ if (type == KERNEL_TYPE_FREEBSD)
++ {
++ clval |= RB_BOOTINFO;
++
++ bi.bi_version = BOOTINFO_VERSION;
++
++ *arg = 0;
++ while ((--arg) > (char *) MB_CMDLINE_BUF && *arg != '/');
++ if (*arg == '/')
++ bi.bi_kernelname = arg + 1;
++ else
++ bi.bi_kernelname = 0;
++
++ bi.bi_nfs_diskless = 0;
++ bi.bi_n_bios_used = 0; /* this field is apparently unused */
++
++ for (i = 0; i < N_BIOS_GEOM; i++)
++ {
++ struct geometry geom;
++
++ /* XXX Should check the return value. */
++ get_diskinfo (i + 0x80, &geom);
++ /* FIXME: If HEADS or SECTORS is greater than 255, then this will
++ break the geometry information. That is a drawback of BSD
++ but not of GRUB. */
++ bi.bi_bios_geom[i] = (((geom.cylinders - 1) << 16)
++ + (((geom.heads - 1) & 0xff) << 8)
++ + (geom.sectors & 0xff));
++ }
++
++ bi.bi_size = sizeof (struct bootinfo);
++ bi.bi_memsizes_valid = 1;
++ bi.bi_bios_dev = saved_drive;
++ bi.bi_basemem = mbi.mem_lower;
++ bi.bi_extmem = extended_memory;
++
++ if (mbi.flags & MB_INFO_AOUT_SYMS)
++ {
++ bi.bi_symtab = mbi.syms.a.addr;
++ bi.bi_esymtab = mbi.syms.a.addr + 4
++ + mbi.syms.a.tabsize + mbi.syms.a.strsize;
++ }
++#if 0
++ else if (mbi.flags & MB_INFO_ELF_SHDR)
++ {
++ /* FIXME: Should check if a symbol table exists and, if exists,
++ pass the table to BI. */
++ }
++#endif
++ else
++ {
++ bi.bi_symtab = 0;
++ bi.bi_esymtab = 0;
++ }
++
++ /* call entry point */
++ (*entry_addr) (clval, bootdev, 0, 0, 0, ((int) (&bi)));
++ }
++ else
++ {
++ /*
++ * We now pass the various bootstrap parameters to the loaded
++ * image via the argument list.
++ *
++ * This is the official list:
++ *
++ * arg0 = 8 (magic)
++ * arg1 = boot flags
++ * arg2 = boot device
++ * arg3 = start of symbol table (0 if not loaded)
++ * arg4 = end of symbol table (0 if not loaded)
++ * arg5 = transfer address from image
++ * arg6 = transfer address for next image pointer
++ * arg7 = conventional memory size (640)
++ * arg8 = extended memory size (8196)
++ *
++ * ...in actuality, we just pass the parameters used by the kernel.
++ */
++
++ /* call entry point */
++ unsigned long end_mark;
++
++ if (mbi.flags & MB_INFO_AOUT_SYMS)
++ end_mark = (mbi.syms.a.addr + 4
++ + mbi.syms.a.tabsize + mbi.syms.a.strsize);
++ else
++ /* FIXME: it should be mbi.syms.e.size. */
++ end_mark = 0;
++
++ (*entry_addr) (clval, bootdev, 0, end_mark,
++ extended_memory, mbi.mem_lower);
++ }
++}
+diff -Nur grub-0.97/stage2/builtins.c grub-0.97-patched/stage2/builtins.c
+--- grub-0.97/stage2/builtins.c 2005-02-15 22:58:23.000000000 +0100
++++ grub-0.97-patched/stage2/builtins.c 2012-11-11 17:07:12.729729661 +0100
+@@ -131,63 +131,98 @@
+ }
+
+
++/* blocklist_read_helper nee disk_read_blocklist_func was a nested
++ * function, to which pointers were taken and exposed globally. Even
++ * in the GNU-C nested functions extension, they have local linkage,
++ * and aren't guaranteed to be accessable *at all* outside of their
++ * containing scope.
++ *
++ * Above and beyond all of that, the variables within blocklist_func_context
++ * are originally local variables, with local (not even static) linkage,
++ * from within blocklist_func. These were each referenced by
++ * disk_read_blocklist_func, which is only called from other functions
++ * through a globally scoped pointer.
++ *
++ * The documentation in GCC actually uses the words "all hell will break
++ * loose" to describe this scenario.
++ *
++ * Also, "start_sector" was also used uninitialized, but gcc doesn't warn
++ * about it (possibly because of the scoping madness?)
++ */
++
++static struct {
++ int start_sector;
++ int num_sectors;
++ int num_entries;
++ int last_length;
++} blocklist_func_context = {
++ .start_sector = 0,
++ .num_sectors = 0,
++ .num_entries = 0,
++ .last_length = 0
++};
++
++/* Collect contiguous blocks into one entry as many as possible,
++ and print the blocklist notation on the screen. */
++static void
++blocklist_read_helper (int sector, int offset, int length)
++{
++ int *start_sector = &blocklist_func_context.start_sector;
++ int *num_sectors = &blocklist_func_context.num_sectors;
++ int *num_entries = &blocklist_func_context.num_entries;
++ int *last_length = &blocklist_func_context.last_length;
++
++ if (*num_sectors > 0)
++ {
++ if (*start_sector + *num_sectors == sector
++ && offset == 0 && *last_length == SECTOR_SIZE)
++ {
++ *num_sectors++;
++ *last_length = length;
++ return;
++ }
++ else
++ {
++ if (*last_length == SECTOR_SIZE)
++ grub_printf ("%s%d+%d", *num_entries ? "," : "",
++ *start_sector - part_start, *num_sectors);
++ else if (*num_sectors > 1)
++ grub_printf ("%s%d+%d,%d[0-%d]", *num_entries ? "," : "",
++ *start_sector - part_start, *num_sectors-1,
++ *start_sector + *num_sectors-1 - part_start,
++ *last_length);
++ else
++ grub_printf ("%s%d[0-%d]", *num_entries ? "," : "",
++ *start_sector - part_start, *last_length);
++ *num_entries++;
++ *num_sectors = 0;
++ }
++ }
++
++ if (offset > 0)
++ {
++ grub_printf("%s%d[%d-%d]", *num_entries ? "," : "",
++ sector-part_start, offset, offset+length);
++ *num_entries++;
++ }
++ else
++ {
++ *start_sector = sector;
++ *num_sectors = 1;
++ *last_length = length;
++ }
++}
++
+ /* blocklist */
+ static int
+ blocklist_func (char *arg, int flags)
+ {
+ char *dummy = (char *) RAW_ADDR (0x100000);
+- int start_sector;
+- int num_sectors = 0;
+- int num_entries = 0;
+- int last_length = 0;
+
+- auto void disk_read_blocklist_func (int sector, int offset, int length);
++ int *start_sector = &blocklist_func_context.start_sector;
++ int *num_sectors = &blocklist_func_context.num_sectors;
++ int *num_entries = &blocklist_func_context.num_entries;
+
+- /* Collect contiguous blocks into one entry as many as possible,
+- and print the blocklist notation on the screen. */
+- auto void disk_read_blocklist_func (int sector, int offset, int length)
+- {
+- if (num_sectors > 0)
+- {
+- if (start_sector + num_sectors == sector
+- && offset == 0 && last_length == SECTOR_SIZE)
+- {
+- num_sectors++;
+- last_length = length;
+- return;
+- }
+- else
+- {
+- if (last_length == SECTOR_SIZE)
+- grub_printf ("%s%d+%d", num_entries ? "," : "",
+- start_sector - part_start, num_sectors);
+- else if (num_sectors > 1)
+- grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "",
+- start_sector - part_start, num_sectors-1,
+- start_sector + num_sectors-1 - part_start,
+- last_length);
+- else
+- grub_printf ("%s%d[0-%d]", num_entries ? "," : "",
+- start_sector - part_start, last_length);
+- num_entries++;
+- num_sectors = 0;
+- }
+- }
+-
+- if (offset > 0)
+- {
+- grub_printf("%s%d[%d-%d]", num_entries ? "," : "",
+- sector-part_start, offset, offset+length);
+- num_entries++;
+- }
+- else
+- {
+- start_sector = sector;
+- num_sectors = 1;
+- last_length = length;
+- }
+- }
+-
+ /* Open the file. */
+ if (! grub_open (arg))
+ return 1;
+@@ -206,15 +241,15 @@
+ grub_printf (")");
+
+ /* Read in the whole file to DUMMY. */
+- disk_read_hook = disk_read_blocklist_func;
++ disk_read_hook = blocklist_read_helper;
+ if (! grub_read (dummy, -1))
+ goto fail;
+
+ /* The last entry may not be printed yet. Don't check if it is a
+ * full sector, since it doesn't matter if we read too much. */
+- if (num_sectors > 0)
+- grub_printf ("%s%d+%d", num_entries ? "," : "",
+- start_sector - part_start, num_sectors);
++ if (*num_sectors > 0)
++ grub_printf ("%s%d+%d", *num_entries ? "," : "",
++ *start_sector - part_start, *num_sectors);
+
+ grub_printf ("\n");
+
+@@ -852,6 +887,138 @@
+ };
+ #endif /* SUPPORT_NETBOOT */
+
++static int terminal_func (char *arg, int flags);
++
++#ifdef SUPPORT_GRAPHICS
++
++static int splashimage_func(char *arg, int flags) {
++ char splashimage[64];
++ int i;
++
++ /* filename can only be 64 characters due to our buffer size */
++ if (strlen(arg) > 63)
++ return 1;
++ if (flags == BUILTIN_CMDLINE) {
++ if (!grub_open(arg))
++ return 1;
++ grub_close();
++ }
++
++ strcpy(splashimage, arg);
++
++ /* get rid of TERM_NEED_INIT from the graphics terminal. */
++ for (i = 0; term_table[i].name; i++) {
++ if (grub_strcmp (term_table[i].name, "graphics") == 0) {
++ term_table[i].flags &= ~TERM_NEED_INIT;
++ break;
++ }
++ }
++
++ graphics_set_splash(splashimage);
++
++ if (flags == BUILTIN_CMDLINE && graphics_inited) {
++ graphics_end();
++ graphics_init();
++ graphics_cls();
++ }
++
++ /* FIXME: should we be explicitly switching the terminal as a
++ * side effect here? */
++ terminal_func("graphics", flags);
++
++ return 0;
++}
++
++static struct builtin builtin_splashimage =
++{
++ "splashimage",
++ splashimage_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "splashimage FILE",
++ "Load FILE as the background image when in graphics mode."
++};
++
++
++/* foreground */
++static int
++foreground_func(char *arg, int flags)
++{
++ if (grub_strlen(arg) == 6) {
++ int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2;
++ int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2;
++ int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2;
++
++ foreground = (r << 16) | (g << 8) | b;
++ if (graphics_inited)
++ graphics_set_palette(15, r, g, b);
++
++ return (0);
++ }
++
++ return (1);
++}
++
++static struct builtin builtin_foreground =
++{
++ "foreground",
++ foreground_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "foreground RRGGBB",
++ "Sets the foreground color when in graphics mode."
++ "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal."
++};
++
++
++/* background */
++static int
++background_func(char *arg, int flags)
++{
++ if (grub_strlen(arg) == 6) {
++ int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2;
++ int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2;
++ int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2;
++
++ background = (r << 16) | (g << 8) | b;
++ if (graphics_inited)
++ graphics_set_palette(0, r, g, b);
++ return (0);
++ }
++
++ return (1);
++}
++
++static struct builtin builtin_background =
++{
++ "background",
++ background_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "background RRGGBB",
++ "Sets the background color when in graphics mode."
++ "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal."
++};
++
++#endif /* SUPPORT_GRAPHICS */
++
++
++/* clear */
++static int
++clear_func()
++{
++ if (current_term->cls)
++ current_term->cls();
++
++ return 0;
++}
++
++static struct builtin builtin_clear =
++{
++ "clear",
++ clear_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "clear",
++ "Clear the screen"
++};
++
+
+ /* displayapm */
+ static int
+@@ -1233,14 +1400,15 @@
+ for (drive = 0x80; drive < 0x88; drive++)
+ {
+ unsigned long part = 0xFFFFFF;
+- unsigned long start, len, offset, ext_offset;
+- int type, entry;
++ unsigned long start, len, offset, ext_offset, gpt_offset;
++ int type, entry, gpt_count, gpt_size;
+ char buf[SECTOR_SIZE];
+
+ current_drive = drive;
+ while (next_partition (drive, 0xFFFFFF, &part, &type,
+ &start, &len, &offset, &entry,
+- &ext_offset, buf))
++ &ext_offset, &gpt_offset,
++ &gpt_count, &gpt_size, buf))
+ {
+ if (type != PC_SLICE_TYPE_NONE
+ && ! IS_PC_SLICE_TYPE_BSD (type)
+@@ -1740,6 +1908,77 @@
+
+
+ /* install */
++static struct {
++ int saved_sector;
++ int installaddr;
++ int installlist;
++ char *stage2_first_buffer;
++} install_func_context = {
++ .saved_sector = 0,
++ .installaddr = 0,
++ .installlist = 0,
++ .stage2_first_buffer = NULL,
++};
++
++/* Save the first sector of Stage2 in STAGE2_SECT. */
++/* Formerly disk_read_savesect_func with local scope inside install_func */
++static void
++install_savesect_helper(int sector, int offset, int length)
++{
++ if (debug)
++ printf ("[%d]", sector);
++
++ /* ReiserFS has files which sometimes contain data not aligned
++ on sector boundaries. Returning an error is better than
++ silently failing. */
++ if (offset != 0 || length != SECTOR_SIZE)
++ errnum = ERR_UNALIGNED;
++
++ install_func_context.saved_sector = sector;
++}
++
++/* Write SECTOR to INSTALLLIST, and update INSTALLADDR and INSTALLSECT. */
++/* Formerly disk_read_blocklist_func with local scope inside install_func */
++static void
++install_blocklist_helper (int sector, int offset, int length)
++{
++ int *installaddr = &install_func_context.installaddr;
++ int *installlist = &install_func_context.installlist;
++ char **stage2_first_buffer = &install_func_context.stage2_first_buffer;
++ /* Was the last sector full? */
++ static int last_length = SECTOR_SIZE;
++
++ if (debug)
++ printf("[%d]", sector);
++
++ if (offset != 0 || last_length != SECTOR_SIZE)
++ {
++ /* We found a non-sector-aligned data block. */
++ errnum = ERR_UNALIGNED;
++ return;
++ }
++
++ last_length = length;
++
++ if (*((unsigned long *) (*installlist - 4))
++ + *((unsigned short *) *installlist) != sector
++ || *installlist == (int) *stage2_first_buffer + SECTOR_SIZE + 4)
++ {
++ *installlist -= 8;
++
++ if (*((unsigned long *) (*installlist - 8)))
++ errnum = ERR_WONT_FIT;
++ else
++ {
++ *((unsigned short *) (*installlist + 2)) = (*installaddr >> 4);
++ *((unsigned long *) (*installlist - 4)) = sector;
++ }
++ }
++
++ *((unsigned short *) *installlist) += 1;
++ *installaddr += 512;
++}
++
+ static int
+ install_func (char *arg, int flags)
+ {
+@@ -1747,8 +1986,12 @@
+ char *stage1_buffer = (char *) RAW_ADDR (0x100000);
+ char *stage2_buffer = stage1_buffer + SECTOR_SIZE;
+ char *old_sect = stage2_buffer + SECTOR_SIZE;
+- char *stage2_first_buffer = old_sect + SECTOR_SIZE;
+- char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE;
++ /* stage2_first_buffer used to be defined as:
++ * char *stage2_first_buffer = old_sect + SECTOR_SIZE; */
++ char **stage2_first_buffer = &install_func_context.stage2_first_buffer;
++ /* and stage2_second_buffer was:
++ * char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE; */
++ char *stage2_second_buffer = old_sect + SECTOR_SIZE + SECTOR_SIZE;
+ /* XXX: Probably SECTOR_SIZE is reasonable. */
+ char *config_filename = stage2_second_buffer + SECTOR_SIZE;
+ char *dummy = config_filename + SECTOR_SIZE;
+@@ -1757,10 +2000,11 @@
+ int src_drive, src_partition, src_part_start;
+ int i;
+ struct geometry dest_geom, src_geom;
+- int saved_sector;
++ int *saved_sector = &install_func_context.saved_sector;
+ int stage2_first_sector, stage2_second_sector;
+ char *ptr;
+- int installaddr, installlist;
++ int *installaddr = &install_func_context.installaddr;
++ int *installlist = &install_func_context.installlist;
+ /* Point to the location of the name of a configuration file in Stage 2. */
+ char *config_file_location;
+ /* If FILE is a Stage 1.5? */
+@@ -1769,67 +2013,13 @@
+ int is_open = 0;
+ /* If LBA is forced? */
+ int is_force_lba = 0;
+- /* Was the last sector full? */
+- int last_length = SECTOR_SIZE;
+-
++
++ *stage2_first_buffer = old_sect + SECTOR_SIZE;
+ #ifdef GRUB_UTIL
+ /* If the Stage 2 is in a partition mounted by an OS, this will store
+ the filename under the OS. */
+ char *stage2_os_file = 0;
+ #endif /* GRUB_UTIL */
+-
+- auto void disk_read_savesect_func (int sector, int offset, int length);
+- auto void disk_read_blocklist_func (int sector, int offset, int length);
+-
+- /* Save the first sector of Stage2 in STAGE2_SECT. */
+- auto void disk_read_savesect_func (int sector, int offset, int length)
+- {
+- if (debug)
+- printf ("[%d]", sector);
+-
+- /* ReiserFS has files which sometimes contain data not aligned
+- on sector boundaries. Returning an error is better than
+- silently failing. */
+- if (offset != 0 || length != SECTOR_SIZE)
+- errnum = ERR_UNALIGNED;
+-
+- saved_sector = sector;
+- }
+-
+- /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and
+- INSTALLSECT. */
+- auto void disk_read_blocklist_func (int sector, int offset, int length)
+- {
+- if (debug)
+- printf("[%d]", sector);
+-
+- if (offset != 0 || last_length != SECTOR_SIZE)
+- {
+- /* We found a non-sector-aligned data block. */
+- errnum = ERR_UNALIGNED;
+- return;
+- }
+-
+- last_length = length;
+-
+- if (*((unsigned long *) (installlist - 4))
+- + *((unsigned short *) installlist) != sector
+- || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4)
+- {
+- installlist -= 8;
+-
+- if (*((unsigned long *) (installlist - 8)))
+- errnum = ERR_WONT_FIT;
+- else
+- {
+- *((unsigned short *) (installlist + 2)) = (installaddr >> 4);
+- *((unsigned long *) (installlist - 4)) = sector;
+- }
+- }
+-
+- *((unsigned short *) installlist) += 1;
+- installaddr += 512;
+- }
+
+ /* First, check the GNU-style long option. */
+ while (1)
+@@ -1862,10 +2052,10 @@
+ addr = skip_to (0, file);
+
+ /* Get the installation address. */
+- if (! safe_parse_maxint (&addr, &installaddr))
++ if (! safe_parse_maxint (&addr, installaddr))
+ {
+ /* ADDR is not specified. */
+- installaddr = 0;
++ *installaddr = 0;
+ ptr = addr;
+ errnum = 0;
+ }
+@@ -1961,17 +2151,17 @@
+ = 0x9090;
+
+ /* Read the first sector of Stage 2. */
+- disk_read_hook = disk_read_savesect_func;
+- if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE)
++ disk_read_hook = install_savesect_helper;
++ if (grub_read (*stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE)
+ goto fail;
+
+- stage2_first_sector = saved_sector;
++ stage2_first_sector = *saved_sector;
+
+ /* Read the second sector of Stage 2. */
+ if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE)
+ goto fail;
+
+- stage2_second_sector = saved_sector;
++ stage2_second_sector = *saved_sector;
+
+ /* Check for the version of Stage 2. */
+ if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS))
+@@ -1987,27 +2177,27 @@
+
+ /* If INSTALLADDR is not specified explicitly in the command-line,
+ determine it by the Stage 2 id. */
+- if (! installaddr)
++ if (! *installaddr)
+ {
+ if (! is_stage1_5)
+ /* Stage 2. */
+- installaddr = 0x8000;
++ *installaddr = 0x8000;
+ else
+ /* Stage 1.5. */
+- installaddr = 0x2000;
++ *installaddr = 0x2000;
+ }
+
+ *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR))
+ = stage2_first_sector;
+ *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS))
+- = installaddr;
++ = *installaddr;
+ *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT))
+- = installaddr >> 4;
++ = *installaddr >> 4;
+
+- i = (int) stage2_first_buffer + SECTOR_SIZE - 4;
++ i = (int) *stage2_first_buffer + SECTOR_SIZE - 4;
+ while (*((unsigned long *) i))
+ {
+- if (i < (int) stage2_first_buffer
++ if (i < (int) *stage2_first_buffer
+ || (*((int *) (i - 4)) & 0x80000000)
+ || *((unsigned short *) i) >= 0xA00
+ || *((short *) (i + 2)) == 0)
+@@ -2021,13 +2211,13 @@
+ i -= 8;
+ }
+
+- installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4;
+- installaddr += SECTOR_SIZE;
++ *installlist = (int) *stage2_first_buffer + SECTOR_SIZE + 4;
++ *installaddr += SECTOR_SIZE;
+
+ /* Read the whole of Stage2 except for the first sector. */
+ grub_seek (SECTOR_SIZE);
+
+- disk_read_hook = disk_read_blocklist_func;
++ disk_read_hook = install_blocklist_helper;
+ if (! grub_read (dummy, -1))
+ goto fail;
+
+@@ -2110,7 +2300,7 @@
+ /* Skip the first sector. */
+ grub_seek (SECTOR_SIZE);
+
+- disk_read_hook = disk_read_savesect_func;
++ disk_read_hook = install_savesect_helper;
+ if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE)
+ goto fail;
+
+@@ -2180,7 +2370,7 @@
+ else
+ #endif /* GRUB_UTIL */
+ {
+- if (! devwrite (saved_sector - part_start, 1, stage2_buffer))
++ if (! devwrite (*saved_sector - part_start, 1, stage2_buffer))
+ goto fail;
+ }
+ }
+@@ -2202,7 +2392,7 @@
+ goto fail;
+ }
+
+- if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
++ if (fwrite (*stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
+ {
+ fclose (fp);
+ errnum = ERR_WRITE;
+@@ -2229,7 +2419,7 @@
+ goto fail;
+
+ if (! devwrite (stage2_first_sector - src_part_start, 1,
+- stage2_first_buffer))
++ *stage2_first_buffer))
+ goto fail;
+
+ if (! devwrite (stage2_second_sector - src_part_start, 1,
+@@ -2815,8 +3005,8 @@
+ {
+ int new_type;
+ unsigned long part = 0xFFFFFF;
+- unsigned long start, len, offset, ext_offset;
+- int entry, type;
++ unsigned long start, len, offset, ext_offset, gpt_offset;
++ int entry, type, gpt_count, gpt_size;
+ char mbr[512];
+
+ /* Get the drive and the partition. */
+@@ -2853,8 +3043,15 @@
+ /* Look for the partition. */
+ while (next_partition (current_drive, 0xFFFFFF, &part, &type,
+ &start, &len, &offset, &entry,
+- &ext_offset, mbr))
++ &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
+ {
++ /* The partition may not be a GPT partition. */
++ if (gpt_offset != 0)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
+ if (part == current_partition)
+ {
+ /* Found. */
+@@ -3830,15 +4027,15 @@
+ {
+ char tmp[16];
+ grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF);
+- grub_strncat (device, tmp, 256);
++ grub_strncat (device, tmp, sizeof (device));
+ }
+ if ((partition & 0x00FF00) != 0x00FF00)
+ {
+ char tmp[16];
+ grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF));
+- grub_strncat (device, tmp, 256);
++ grub_strncat (device, tmp, sizeof (device));
+ }
+- grub_strncat (device, ")", 256);
++ grub_strncat (device, ")", sizeof (device));
+ }
+
+ int embed_stage1_5 (char *stage1_5, int drive, int partition)
+@@ -4085,7 +4282,7 @@
+ };
+
+
+-#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
++#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS)
+ /* terminal */
+ static int
+ terminal_func (char *arg, int flags)
+@@ -4244,17 +4441,21 @@
+ end:
+ current_term = term_table + default_term;
+ current_term->flags = term_flags;
+-
++
+ if (lines)
+ max_lines = lines;
+ else
+- /* 24 would be a good default value. */
+- max_lines = 24;
+-
++ max_lines = current_term->max_lines;
++
+ /* If the interface is currently the command-line,
+ restart it to repaint the screen. */
+- if (current_term != prev_term && (flags & BUILTIN_CMDLINE))
++ if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){
++ if (prev_term->shutdown)
++ prev_term->shutdown();
++ if (current_term->startup)
++ current_term->startup();
+ grub_longjmp (restart_cmdline_env, 0);
++ }
+
+ return 0;
+ }
+@@ -4264,7 +4465,7 @@
+ "terminal",
+ terminal_func,
+ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
+- "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules]",
++ "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]",
+ "Select a terminal. When multiple terminals are specified, wait until"
+ " you push any key to continue. If both console and serial are specified,"
+ " the terminal to which you input a key first will be selected. If no"
+@@ -4276,7 +4477,7 @@
+ " seconds. The option --lines specifies the maximum number of lines."
+ " The option --silent is used to suppress messages."
+ };
+-#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
++#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */
+
+
+ #ifdef SUPPORT_SERIAL
+@@ -4795,6 +4996,9 @@
+ /* The table of builtin commands. Sorted in dictionary order. */
+ struct builtin *builtin_table[] =
+ {
++#ifdef SUPPORT_GRAPHICS
++ &builtin_background,
++#endif
+ &builtin_blocklist,
+ &builtin_boot,
+ #ifdef SUPPORT_NETBOOT
+@@ -4802,6 +5006,7 @@
+ #endif /* SUPPORT_NETBOOT */
+ &builtin_cat,
+ &builtin_chainloader,
++ &builtin_clear,
+ &builtin_cmp,
+ &builtin_color,
+ &builtin_configfile,
+@@ -4821,6 +5026,9 @@
+ &builtin_embed,
+ &builtin_fallback,
+ &builtin_find,
++#ifdef SUPPORT_GRAPHICS
++ &builtin_foreground,
++#endif
+ &builtin_fstest,
+ &builtin_geometry,
+ &builtin_halt,
+@@ -4864,9 +5072,12 @@
+ #endif /* SUPPORT_SERIAL */
+ &builtin_setkey,
+ &builtin_setup,
+-#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
++#ifdef SUPPORT_GRAPHICS
++ &builtin_splashimage,
++#endif /* SUPPORT_GRAPHICS */
++#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS)
+ &builtin_terminal,
+-#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
++#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */
+ #ifdef SUPPORT_SERIAL
+ &builtin_terminfo,
+ #endif /* SUPPORT_SERIAL */
+diff -Nur grub-0.97/stage2/builtins.c.orig grub-0.97-patched/stage2/builtins.c.orig
+--- grub-0.97/stage2/builtins.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/builtins.c.orig 2005-02-15 22:58:23.000000000 +0100
+@@ -0,0 +1,4884 @@
++/* builtins.c - the GRUB builtin commands */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++/* Include stdio.h before shared.h, because we can't define
++ WITHOUT_LIBC_STUBS here. */
++#ifdef GRUB_UTIL
++# include <stdio.h>
++#endif
++
++#include <shared.h>
++#include <filesys.h>
++#include <term.h>
++
++#ifdef SUPPORT_NETBOOT
++# define GRUB 1
++# include <etherboot.h>
++#endif
++
++#ifdef SUPPORT_SERIAL
++# include <serial.h>
++# include <terminfo.h>
++#endif
++
++#ifdef GRUB_UTIL
++# include <device.h>
++#else /* ! GRUB_UTIL */
++# include <apic.h>
++# include <smp-imps.h>
++#endif /* ! GRUB_UTIL */
++
++#ifdef USE_MD5_PASSWORDS
++# include <md5.h>
++#endif
++
++/* The type of kernel loaded. */
++kernel_t kernel_type;
++/* The boot device. */
++static int bootdev;
++/* True when the debug mode is turned on, and false
++ when it is turned off. */
++int debug = 0;
++/* The default entry. */
++int default_entry = 0;
++/* The fallback entry. */
++int fallback_entryno;
++int fallback_entries[MAX_FALLBACK_ENTRIES];
++/* The number of current entry. */
++int current_entryno;
++/* The address for Multiboot command-line buffer. */
++static char *mb_cmdline;
++/* The password. */
++char *password;
++/* The password type. */
++password_t password_type;
++/* The flag for indicating that the user is authoritative. */
++int auth = 0;
++/* The timeout. */
++int grub_timeout = -1;
++/* Whether to show the menu or not. */
++int show_menu = 1;
++/* The BIOS drive map. */
++static unsigned short bios_drive_map[DRIVE_MAP_SIZE + 1];
++
++/* Prototypes for allowing straightfoward calling of builtins functions
++ inside other functions. */
++static int configfile_func (char *arg, int flags);
++
++/* Initialize the data for builtins. */
++void
++init_builtins (void)
++{
++ kernel_type = KERNEL_TYPE_NONE;
++ /* BSD and chainloading evil hacks! */
++ bootdev = set_bootdev (0);
++ mb_cmdline = (char *) MB_CMDLINE_BUF;
++}
++
++/* Initialize the data for the configuration file. */
++void
++init_config (void)
++{
++ default_entry = 0;
++ password = 0;
++ fallback_entryno = -1;
++ fallback_entries[0] = -1;
++ grub_timeout = -1;
++}
++
++/* Check a password for correctness. Returns 0 if password was
++ correct, and a value != 0 for error, similarly to strcmp. */
++int
++check_password (char *entered, char* expected, password_t type)
++{
++ switch (type)
++ {
++ case PASSWORD_PLAIN:
++ return strcmp (entered, expected);
++
++#ifdef USE_MD5_PASSWORDS
++ case PASSWORD_MD5:
++ return check_md5_password (entered, expected);
++#endif
++ default:
++ /* unsupported password type: be secure */
++ return 1;
++ }
++}
++
++/* Print which sector is read when loading a file. */
++static void
++disk_read_print_func (int sector, int offset, int length)
++{
++ grub_printf ("[%d,%d,%d]", sector, offset, length);
++}
++
++
++/* blocklist */
++static int
++blocklist_func (char *arg, int flags)
++{
++ char *dummy = (char *) RAW_ADDR (0x100000);
++ int start_sector;
++ int num_sectors = 0;
++ int num_entries = 0;
++ int last_length = 0;
++
++ auto void disk_read_blocklist_func (int sector, int offset, int length);
++
++ /* Collect contiguous blocks into one entry as many as possible,
++ and print the blocklist notation on the screen. */
++ auto void disk_read_blocklist_func (int sector, int offset, int length)
++ {
++ if (num_sectors > 0)
++ {
++ if (start_sector + num_sectors == sector
++ && offset == 0 && last_length == SECTOR_SIZE)
++ {
++ num_sectors++;
++ last_length = length;
++ return;
++ }
++ else
++ {
++ if (last_length == SECTOR_SIZE)
++ grub_printf ("%s%d+%d", num_entries ? "," : "",
++ start_sector - part_start, num_sectors);
++ else if (num_sectors > 1)
++ grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "",
++ start_sector - part_start, num_sectors-1,
++ start_sector + num_sectors-1 - part_start,
++ last_length);
++ else
++ grub_printf ("%s%d[0-%d]", num_entries ? "," : "",
++ start_sector - part_start, last_length);
++ num_entries++;
++ num_sectors = 0;
++ }
++ }
++
++ if (offset > 0)
++ {
++ grub_printf("%s%d[%d-%d]", num_entries ? "," : "",
++ sector-part_start, offset, offset+length);
++ num_entries++;
++ }
++ else
++ {
++ start_sector = sector;
++ num_sectors = 1;
++ last_length = length;
++ }
++ }
++
++ /* Open the file. */
++ if (! grub_open (arg))
++ return 1;
++
++ /* Print the device name. */
++ grub_printf ("(%cd%d",
++ (current_drive & 0x80) ? 'h' : 'f',
++ current_drive & ~0x80);
++
++ if ((current_partition & 0xFF0000) != 0xFF0000)
++ grub_printf (",%d", (current_partition >> 16) & 0xFF);
++
++ if ((current_partition & 0x00FF00) != 0x00FF00)
++ grub_printf (",%c", 'a' + ((current_partition >> 8) & 0xFF));
++
++ grub_printf (")");
++
++ /* Read in the whole file to DUMMY. */
++ disk_read_hook = disk_read_blocklist_func;
++ if (! grub_read (dummy, -1))
++ goto fail;
++
++ /* The last entry may not be printed yet. Don't check if it is a
++ * full sector, since it doesn't matter if we read too much. */
++ if (num_sectors > 0)
++ grub_printf ("%s%d+%d", num_entries ? "," : "",
++ start_sector - part_start, num_sectors);
++
++ grub_printf ("\n");
++
++ fail:
++ disk_read_hook = 0;
++ grub_close ();
++ return errnum;
++}
++
++static struct builtin builtin_blocklist =
++{
++ "blocklist",
++ blocklist_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "blocklist FILE",
++ "Print the blocklist notation of the file FILE."
++};
++
++/* boot */
++static int
++boot_func (char *arg, int flags)
++{
++ /* Clear the int15 handler if we can boot the kernel successfully.
++ This assumes that the boot code never fails only if KERNEL_TYPE is
++ not KERNEL_TYPE_NONE. Is this assumption is bad? */
++ if (kernel_type != KERNEL_TYPE_NONE)
++ unset_int15_handler ();
++
++#ifdef SUPPORT_NETBOOT
++ /* Shut down the networking. */
++ cleanup_net ();
++#endif
++
++ switch (kernel_type)
++ {
++ case KERNEL_TYPE_FREEBSD:
++ case KERNEL_TYPE_NETBSD:
++ /* *BSD */
++ bsd_boot (kernel_type, bootdev, (char *) mbi.cmdline);
++ break;
++
++ case KERNEL_TYPE_LINUX:
++ /* Linux */
++ linux_boot ();
++ break;
++
++ case KERNEL_TYPE_BIG_LINUX:
++ /* Big Linux */
++ big_linux_boot ();
++ break;
++
++ case KERNEL_TYPE_CHAINLOADER:
++ /* Chainloader */
++
++ /* Check if we should set the int13 handler. */
++ if (bios_drive_map[0] != 0)
++ {
++ int i;
++
++ /* Search for SAVED_DRIVE. */
++ for (i = 0; i < DRIVE_MAP_SIZE; i++)
++ {
++ if (! bios_drive_map[i])
++ break;
++ else if ((bios_drive_map[i] & 0xFF) == saved_drive)
++ {
++ /* Exchage SAVED_DRIVE with the mapped drive. */
++ saved_drive = (bios_drive_map[i] >> 8) & 0xFF;
++ break;
++ }
++ }
++
++ /* Set the handler. This is somewhat dangerous. */
++ set_int13_handler (bios_drive_map);
++ }
++
++ gateA20 (0);
++ boot_drive = saved_drive;
++ chain_stage1 (0, BOOTSEC_LOCATION, boot_part_addr);
++ break;
++
++ case KERNEL_TYPE_MULTIBOOT:
++ /* Multiboot */
++ multi_boot ((int) entry_addr, (int) &mbi);
++ break;
++
++ default:
++ errnum = ERR_BOOT_COMMAND;
++ return 1;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_boot =
++{
++ "boot",
++ boot_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "boot",
++ "Boot the OS/chain-loader which has been loaded."
++};
++
++
++#ifdef SUPPORT_NETBOOT
++/* bootp */
++static int
++bootp_func (char *arg, int flags)
++{
++ int with_configfile = 0;
++
++ if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1)
++ == 0)
++ {
++ with_configfile = 1;
++ arg = skip_to (0, arg);
++ }
++
++ if (! bootp ())
++ {
++ if (errnum == ERR_NONE)
++ errnum = ERR_DEV_VALUES;
++
++ return 1;
++ }
++
++ /* Notify the configuration. */
++ print_network_configuration ();
++
++ /* XXX: this can cause an endless loop, but there is no easy way to
++ detect such a loop unfortunately. */
++ if (with_configfile)
++ configfile_func (config_file, flags);
++
++ return 0;
++}
++
++static struct builtin builtin_bootp =
++{
++ "bootp",
++ bootp_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "bootp [--with-configfile]",
++ "Initialize a network device via BOOTP. If the option `--with-configfile'"
++ " is given, try to load a configuration file specified by the 150 vendor"
++ " tag."
++};
++#endif /* SUPPORT_NETBOOT */
++
++
++/* cat */
++static int
++cat_func (char *arg, int flags)
++{
++ char c;
++
++ if (! grub_open (arg))
++ return 1;
++
++ while (grub_read (&c, 1))
++ {
++ /* Because running "cat" with a binary file can confuse the terminal,
++ print only some characters as they are. */
++ if (grub_isspace (c) || (c >= ' ' && c <= '~'))
++ grub_putchar (c);
++ else
++ grub_putchar ('?');
++ }
++
++ grub_close ();
++ return 0;
++}
++
++static struct builtin builtin_cat =
++{
++ "cat",
++ cat_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "cat FILE",
++ "Print the contents of the file FILE."
++};
++
++
++/* chainloader */
++static int
++chainloader_func (char *arg, int flags)
++{
++ int force = 0;
++ char *file = arg;
++
++ /* If the option `--force' is specified? */
++ if (substring ("--force", arg) <= 0)
++ {
++ force = 1;
++ file = skip_to (0, arg);
++ }
++
++ /* Open the file. */
++ if (! grub_open (file))
++ {
++ kernel_type = KERNEL_TYPE_NONE;
++ return 1;
++ }
++
++ /* Read the first block. */
++ if (grub_read ((char *) BOOTSEC_LOCATION, SECTOR_SIZE) != SECTOR_SIZE)
++ {
++ grub_close ();
++ kernel_type = KERNEL_TYPE_NONE;
++
++ /* This below happens, if a file whose size is less than 512 bytes
++ is loaded. */
++ if (errnum == ERR_NONE)
++ errnum = ERR_EXEC_FORMAT;
++
++ return 1;
++ }
++
++ /* If not loading it forcibly, check for the signature. */
++ if (! force
++ && (*((unsigned short *) (BOOTSEC_LOCATION + BOOTSEC_SIG_OFFSET))
++ != BOOTSEC_SIGNATURE))
++ {
++ grub_close ();
++ errnum = ERR_EXEC_FORMAT;
++ kernel_type = KERNEL_TYPE_NONE;
++ return 1;
++ }
++
++ grub_close ();
++ kernel_type = KERNEL_TYPE_CHAINLOADER;
++
++ /* XXX: Windows evil hack. For now, only the first five letters are
++ checked. */
++ if (IS_PC_SLICE_TYPE_FAT (current_slice)
++ && ! grub_memcmp ((char *) BOOTSEC_LOCATION + BOOTSEC_BPB_SYSTEM_ID,
++ "MSWIN", 5))
++ *((unsigned long *) (BOOTSEC_LOCATION + BOOTSEC_BPB_HIDDEN_SECTORS))
++ = part_start;
++
++ errnum = ERR_NONE;
++
++ return 0;
++}
++
++static struct builtin builtin_chainloader =
++{
++ "chainloader",
++ chainloader_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "chainloader [--force] FILE",
++ "Load the chain-loader FILE. If --force is specified, then load it"
++ " forcibly, whether the boot loader signature is present or not."
++};
++
++
++/* This function could be used to debug new filesystem code. Put a file
++ in the new filesystem and the same file in a well-tested filesystem.
++ Then, run "cmp" with the files. If no output is obtained, probably
++ the code is good, otherwise investigate what's wrong... */
++/* cmp FILE1 FILE2 */
++static int
++cmp_func (char *arg, int flags)
++{
++ /* The filenames. */
++ char *file1, *file2;
++ /* The addresses. */
++ char *addr1, *addr2;
++ int i;
++ /* The size of the file. */
++ int size;
++
++ /* Get the filenames from ARG. */
++ file1 = arg;
++ file2 = skip_to (0, arg);
++ if (! *file1 || ! *file2)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* Terminate the filenames for convenience. */
++ nul_terminate (file1);
++ nul_terminate (file2);
++
++ /* Read the whole data from FILE1. */
++ addr1 = (char *) RAW_ADDR (0x100000);
++ if (! grub_open (file1))
++ return 1;
++
++ /* Get the size. */
++ size = filemax;
++ if (grub_read (addr1, -1) != size)
++ {
++ grub_close ();
++ return 1;
++ }
++
++ grub_close ();
++
++ /* Read the whole data from FILE2. */
++ addr2 = addr1 + size;
++ if (! grub_open (file2))
++ return 1;
++
++ /* Check if the size of FILE2 is equal to the one of FILE2. */
++ if (size != filemax)
++ {
++ grub_printf ("Differ in size: 0x%x [%s], 0x%x [%s]\n",
++ size, file1, filemax, file2);
++ grub_close ();
++ return 0;
++ }
++
++ if (! grub_read (addr2, -1))
++ {
++ grub_close ();
++ return 1;
++ }
++
++ grub_close ();
++
++ /* Now compare ADDR1 with ADDR2. */
++ for (i = 0; i < size; i++)
++ {
++ if (addr1[i] != addr2[i])
++ grub_printf ("Differ at the offset %d: 0x%x [%s], 0x%x [%s]\n",
++ i, (unsigned) addr1[i], file1,
++ (unsigned) addr2[i], file2);
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_cmp =
++{
++ "cmp",
++ cmp_func,
++ BUILTIN_CMDLINE,
++ "cmp FILE1 FILE2",
++ "Compare the file FILE1 with the FILE2 and inform the different values"
++ " if any."
++};
++
++
++/* color */
++/* Set new colors used for the menu interface. Support two methods to
++ specify a color name: a direct integer representation and a symbolic
++ color name. An example of the latter is "blink-light-gray/blue". */
++static int
++color_func (char *arg, int flags)
++{
++ char *normal;
++ char *highlight;
++ int new_normal_color;
++ int new_highlight_color;
++ static char *color_list[16] =
++ {
++ "black",
++ "blue",
++ "green",
++ "cyan",
++ "red",
++ "magenta",
++ "brown",
++ "light-gray",
++ "dark-gray",
++ "light-blue",
++ "light-green",
++ "light-cyan",
++ "light-red",
++ "light-magenta",
++ "yellow",
++ "white"
++ };
++
++ auto int color_number (char *str);
++
++ /* Convert the color name STR into the magical number. */
++ auto int color_number (char *str)
++ {
++ char *ptr;
++ int i;
++ int color = 0;
++
++ /* Find the separator. */
++ for (ptr = str; *ptr && *ptr != '/'; ptr++)
++ ;
++
++ /* If not found, return -1. */
++ if (! *ptr)
++ return -1;
++
++ /* Terminate the string STR. */
++ *ptr++ = 0;
++
++ /* If STR contains the prefix "blink-", then set the `blink' bit
++ in COLOR. */
++ if (substring ("blink-", str) <= 0)
++ {
++ color = 0x80;
++ str += 6;
++ }
++
++ /* Search for the color name. */
++ for (i = 0; i < 16; i++)
++ if (grub_strcmp (color_list[i], str) == 0)
++ {
++ color |= i;
++ break;
++ }
++
++ if (i == 16)
++ return -1;
++
++ str = ptr;
++ nul_terminate (str);
++
++ /* Search for the color name. */
++ for (i = 0; i < 8; i++)
++ if (grub_strcmp (color_list[i], str) == 0)
++ {
++ color |= i << 4;
++ break;
++ }
++
++ if (i == 8)
++ return -1;
++
++ return color;
++ }
++
++ normal = arg;
++ highlight = skip_to (0, arg);
++
++ new_normal_color = color_number (normal);
++ if (new_normal_color < 0 && ! safe_parse_maxint (&normal, &new_normal_color))
++ return 1;
++
++ /* The second argument is optional, so set highlight_color
++ to inverted NORMAL_COLOR. */
++ if (! *highlight)
++ new_highlight_color = ((new_normal_color >> 4)
++ | ((new_normal_color & 0xf) << 4));
++ else
++ {
++ new_highlight_color = color_number (highlight);
++ if (new_highlight_color < 0
++ && ! safe_parse_maxint (&highlight, &new_highlight_color))
++ return 1;
++ }
++
++ if (current_term->setcolor)
++ current_term->setcolor (new_normal_color, new_highlight_color);
++
++ return 0;
++}
++
++static struct builtin builtin_color =
++{
++ "color",
++ color_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "color NORMAL [HIGHLIGHT]",
++ "Change the menu colors. The color NORMAL is used for most"
++ " lines in the menu, and the color HIGHLIGHT is used to highlight the"
++ " line where the cursor points. If you omit HIGHLIGHT, then the"
++ " inverted color of NORMAL is used for the highlighted line."
++ " The format of a color is \"FG/BG\". FG and BG are symbolic color names."
++ " A symbolic color name must be one of these: black, blue, green,"
++ " cyan, red, magenta, brown, light-gray, dark-gray, light-blue,"
++ " light-green, light-cyan, light-red, light-magenta, yellow and white."
++ " But only the first eight names can be used for BG. You can prefix"
++ " \"blink-\" to FG if you want a blinking foreground color."
++};
++
++
++/* configfile */
++static int
++configfile_func (char *arg, int flags)
++{
++ char *new_config = config_file;
++
++ /* Check if the file ARG is present. */
++ if (! grub_open (arg))
++ return 1;
++
++ grub_close ();
++
++ /* Copy ARG to CONFIG_FILE. */
++ while ((*new_config++ = *arg++) != 0)
++ ;
++
++#ifdef GRUB_UTIL
++ /* Force to load the configuration file. */
++ use_config_file = 1;
++#endif
++
++ /* Make sure that the user will not be authoritative. */
++ auth = 0;
++
++ /* Restart cmain. */
++ grub_longjmp (restart_env, 0);
++
++ /* Never reach here. */
++ return 0;
++}
++
++static struct builtin builtin_configfile =
++{
++ "configfile",
++ configfile_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "configfile FILE",
++ "Load FILE as the configuration file."
++};
++
++
++/* debug */
++static int
++debug_func (char *arg, int flags)
++{
++ if (debug)
++ {
++ debug = 0;
++ grub_printf (" Debug mode is turned off\n");
++ }
++ else
++ {
++ debug = 1;
++ grub_printf (" Debug mode is turned on\n");
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_debug =
++{
++ "debug",
++ debug_func,
++ BUILTIN_CMDLINE,
++ "debug",
++ "Turn on/off the debug mode."
++};
++
++
++/* default */
++static int
++default_func (char *arg, int flags)
++{
++#ifndef SUPPORT_DISKLESS
++ if (grub_strcmp (arg, "saved") == 0)
++ {
++ default_entry = saved_entryno;
++ return 0;
++ }
++#endif /* SUPPORT_DISKLESS */
++
++ if (! safe_parse_maxint (&arg, &default_entry))
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_default =
++{
++ "default",
++ default_func,
++ BUILTIN_MENU,
++#if 0
++ "default [NUM | `saved']",
++ "Set the default entry to entry number NUM (if not specified, it is"
++ " 0, the first entry) or the entry number saved by savedefault."
++#endif
++};
++
++
++#ifdef GRUB_UTIL
++/* device */
++static int
++device_func (char *arg, int flags)
++{
++ char *drive = arg;
++ char *device;
++
++ /* Get the drive number from DRIVE. */
++ if (! set_device (drive))
++ return 1;
++
++ /* Get the device argument. */
++ device = skip_to (0, drive);
++
++ /* Terminate DEVICE. */
++ nul_terminate (device);
++
++ if (! *device || ! check_device (device))
++ {
++ errnum = ERR_FILE_NOT_FOUND;
++ return 1;
++ }
++
++ assign_device_name (current_drive, device);
++
++ return 0;
++}
++
++static struct builtin builtin_device =
++{
++ "device",
++ device_func,
++ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "device DRIVE DEVICE",
++ "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command"
++ " can be used only in the grub shell."
++};
++#endif /* GRUB_UTIL */
++
++
++#ifdef SUPPORT_NETBOOT
++/* dhcp */
++static int
++dhcp_func (char *arg, int flags)
++{
++ /* For now, this is an alias for bootp. */
++ return bootp_func (arg, flags);
++}
++
++static struct builtin builtin_dhcp =
++{
++ "dhcp",
++ dhcp_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "dhcp",
++ "Initialize a network device via DHCP."
++};
++#endif /* SUPPORT_NETBOOT */
++
++
++/* displayapm */
++static int
++displayapm_func (char *arg, int flags)
++{
++ if (mbi.flags & MB_INFO_APM_TABLE)
++ {
++ grub_printf ("APM BIOS information:\n"
++ " Version: 0x%x\n"
++ " 32-bit CS: 0x%x\n"
++ " Offset: 0x%x\n"
++ " 16-bit CS: 0x%x\n"
++ " 16-bit DS: 0x%x\n"
++ " 32-bit CS length: 0x%x\n"
++ " 16-bit CS length: 0x%x\n"
++ " 16-bit DS length: 0x%x\n",
++ (unsigned) apm_bios_info.version,
++ (unsigned) apm_bios_info.cseg,
++ apm_bios_info.offset,
++ (unsigned) apm_bios_info.cseg_16,
++ (unsigned) apm_bios_info.dseg_16,
++ (unsigned) apm_bios_info.cseg_len,
++ (unsigned) apm_bios_info.cseg_16_len,
++ (unsigned) apm_bios_info.dseg_16_len);
++ }
++ else
++ {
++ grub_printf ("No APM BIOS found or probe failed\n");
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_displayapm =
++{
++ "displayapm",
++ displayapm_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "displayapm",
++ "Display APM BIOS information."
++};
++
++
++/* displaymem */
++static int
++displaymem_func (char *arg, int flags)
++{
++ if (get_eisamemsize () != -1)
++ grub_printf (" EISA Memory BIOS Interface is present\n");
++ if (get_mmap_entry ((void *) SCRATCHADDR, 0) != 0
++ || *((int *) SCRATCHADDR) != 0)
++ grub_printf (" Address Map BIOS Interface is present\n");
++
++ grub_printf (" Lower memory: %uK, "
++ "Upper memory (to first chipset hole): %uK\n",
++ mbi.mem_lower, mbi.mem_upper);
++
++ if (mbi.flags & MB_INFO_MEM_MAP)
++ {
++ struct AddrRangeDesc *map = (struct AddrRangeDesc *) mbi.mmap_addr;
++ int end_addr = mbi.mmap_addr + mbi.mmap_length;
++
++ grub_printf (" [Address Range Descriptor entries "
++ "immediately follow (values are 64-bit)]\n");
++ while (end_addr > (int) map)
++ {
++ char *str;
++
++ if (map->Type == MB_ARD_MEMORY)
++ str = "Usable RAM";
++ else
++ str = "Reserved";
++ grub_printf (" %s: Base Address: 0x%x X 4GB + 0x%x,\n"
++ " Length: 0x%x X 4GB + 0x%x bytes\n",
++ str,
++ (unsigned long) (map->BaseAddr >> 32),
++ (unsigned long) (map->BaseAddr & 0xFFFFFFFF),
++ (unsigned long) (map->Length >> 32),
++ (unsigned long) (map->Length & 0xFFFFFFFF));
++
++ map = ((struct AddrRangeDesc *) (((int) map) + 4 + map->size));
++ }
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_displaymem =
++{
++ "displaymem",
++ displaymem_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "displaymem",
++ "Display what GRUB thinks the system address space map of the"
++ " machine is, including all regions of physical RAM installed."
++};
++
++
++/* dump FROM TO */
++#ifdef GRUB_UTIL
++static int
++dump_func (char *arg, int flags)
++{
++ char *from, *to;
++ FILE *fp;
++ char c;
++
++ from = arg;
++ to = skip_to (0, arg);
++ if (! *from || ! *to)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ nul_terminate (from);
++ nul_terminate (to);
++
++ if (! grub_open (from))
++ return 1;
++
++ fp = fopen (to, "w");
++ if (! fp)
++ {
++ errnum = ERR_WRITE;
++ return 1;
++ }
++
++ while (grub_read (&c, 1))
++ if (fputc (c, fp) == EOF)
++ {
++ errnum = ERR_WRITE;
++ fclose (fp);
++ return 1;
++ }
++
++ if (fclose (fp) == EOF)
++ {
++ errnum = ERR_WRITE;
++ return 1;
++ }
++
++ grub_close ();
++ return 0;
++}
++
++static struct builtin builtin_dump =
++ {
++ "dump",
++ dump_func,
++ BUILTIN_CMDLINE,
++ "dump FROM TO",
++ "Dump the contents of the file FROM to the file TO. FROM must be"
++ " a GRUB file and TO must be an OS file."
++ };
++#endif /* GRUB_UTIL */
++
++
++static char embed_info[32];
++/* embed */
++/* Embed a Stage 1.5 in the first cylinder after MBR or in the
++ bootloader block in a FFS. */
++static int
++embed_func (char *arg, int flags)
++{
++ char *stage1_5;
++ char *device;
++ char *stage1_5_buffer = (char *) RAW_ADDR (0x100000);
++ int len, size;
++ int sector;
++
++ stage1_5 = arg;
++ device = skip_to (0, stage1_5);
++
++ /* Open a Stage 1.5. */
++ if (! grub_open (stage1_5))
++ return 1;
++
++ /* Read the whole of the Stage 1.5. */
++ len = grub_read (stage1_5_buffer, -1);
++ grub_close ();
++
++ if (errnum)
++ return 1;
++
++ size = (len + SECTOR_SIZE - 1) / SECTOR_SIZE;
++
++ /* Get the device where the Stage 1.5 will be embedded. */
++ set_device (device);
++ if (errnum)
++ return 1;
++
++ if (current_partition == 0xFFFFFF)
++ {
++ /* Embed it after the MBR. */
++
++ char mbr[SECTOR_SIZE];
++ char ezbios_check[2*SECTOR_SIZE];
++ int i;
++
++ /* Open the partition. */
++ if (! open_partition ())
++ return 1;
++
++ /* No floppy has MBR. */
++ if (! (current_drive & 0x80))
++ {
++ errnum = ERR_DEV_VALUES;
++ return 1;
++ }
++
++ /* Read the MBR of CURRENT_DRIVE. */
++ if (! rawread (current_drive, PC_MBR_SECTOR, 0, SECTOR_SIZE, mbr))
++ return 1;
++
++ /* Sanity check. */
++ if (! PC_MBR_CHECK_SIG (mbr))
++ {
++ errnum = ERR_BAD_PART_TABLE;
++ return 1;
++ }
++
++ /* Check if the disk can store the Stage 1.5. */
++ for (i = 0; i < 4; i++)
++ if (PC_SLICE_TYPE (mbr, i) && PC_SLICE_START (mbr, i) - 1 < size)
++ {
++ errnum = ERR_NO_DISK_SPACE;
++ return 1;
++ }
++
++ /* Check for EZ-BIOS signature. It should be in the third
++ * sector, but due to remapping it can appear in the second, so
++ * load and check both.
++ */
++ if (! rawread (current_drive, 1, 0, 2 * SECTOR_SIZE, ezbios_check))
++ return 1;
++
++ if (! memcmp (ezbios_check + 3, "AERMH", 5)
++ || ! memcmp (ezbios_check + 512 + 3, "AERMH", 5))
++ {
++ /* The space after the MBR is used by EZ-BIOS which we must
++ * not overwrite.
++ */
++ errnum = ERR_NO_DISK_SPACE;
++ return 1;
++ }
++
++ sector = 1;
++ }
++ else
++ {
++ /* Embed it in the bootloader block in the filesystem. */
++ int start_sector;
++
++ /* Open the partition. */
++ if (! open_device ())
++ return 1;
++
++ /* Check if the current slice supports embedding. */
++ if (fsys_table[fsys_type].embed_func == 0
++ || ! fsys_table[fsys_type].embed_func (&start_sector, size))
++ {
++ errnum = ERR_DEV_VALUES;
++ return 1;
++ }
++
++ sector = part_start + start_sector;
++ }
++
++ /* Clear the cache. */
++ buf_track = -1;
++
++ /* Now perform the embedding. */
++ if (! devwrite (sector - part_start, size, stage1_5_buffer))
++ return 1;
++
++ grub_printf (" %d sectors are embedded.\n", size);
++ grub_sprintf (embed_info, "%d+%d", sector - part_start, size);
++ return 0;
++}
++
++static struct builtin builtin_embed =
++{
++ "embed",
++ embed_func,
++ BUILTIN_CMDLINE,
++ "embed STAGE1_5 DEVICE",
++ "Embed the Stage 1.5 STAGE1_5 in the sectors after MBR if DEVICE"
++ " is a drive, or in the \"bootloader\" area if DEVICE is a FFS partition."
++ " Print the number of sectors which STAGE1_5 occupies if successful."
++};
++
++
++/* fallback */
++static int
++fallback_func (char *arg, int flags)
++{
++ int i = 0;
++
++ while (*arg)
++ {
++ int entry;
++ int j;
++
++ if (! safe_parse_maxint (&arg, &entry))
++ return 1;
++
++ /* Remove duplications to prevent infinite looping. */
++ for (j = 0; j < i; j++)
++ if (entry == fallback_entries[j])
++ break;
++ if (j != i)
++ continue;
++
++ fallback_entries[i++] = entry;
++ if (i == MAX_FALLBACK_ENTRIES)
++ break;
++
++ arg = skip_to (0, arg);
++ }
++
++ if (i < MAX_FALLBACK_ENTRIES)
++ fallback_entries[i] = -1;
++
++ fallback_entryno = (i == 0) ? -1 : 0;
++
++ return 0;
++}
++
++static struct builtin builtin_fallback =
++{
++ "fallback",
++ fallback_func,
++ BUILTIN_MENU,
++#if 0
++ "fallback NUM...",
++ "Go into unattended boot mode: if the default boot entry has any"
++ " errors, instead of waiting for the user to do anything, it"
++ " immediately starts over using the NUM entry (same numbering as the"
++ " `default' command). This obviously won't help if the machine"
++ " was rebooted by a kernel that GRUB loaded."
++#endif
++};
++
++
++/* find */
++/* Search for the filename ARG in all of partitions. */
++static int
++find_func (char *arg, int flags)
++{
++ char *filename = arg;
++ unsigned long drive;
++ unsigned long tmp_drive = saved_drive;
++ unsigned long tmp_partition = saved_partition;
++ int got_file = 0;
++
++ /* Floppies. */
++ for (drive = 0; drive < 8; drive++)
++ {
++ current_drive = drive;
++ current_partition = 0xFFFFFF;
++
++ if (open_device ())
++ {
++ saved_drive = current_drive;
++ saved_partition = current_partition;
++ if (grub_open (filename))
++ {
++ grub_close ();
++ grub_printf (" (fd%d)\n", drive);
++ got_file = 1;
++ }
++ }
++
++ errnum = ERR_NONE;
++ }
++
++ /* Hard disks. */
++ for (drive = 0x80; drive < 0x88; drive++)
++ {
++ unsigned long part = 0xFFFFFF;
++ unsigned long start, len, offset, ext_offset;
++ int type, entry;
++ char buf[SECTOR_SIZE];
++
++ current_drive = drive;
++ while (next_partition (drive, 0xFFFFFF, &part, &type,
++ &start, &len, &offset, &entry,
++ &ext_offset, buf))
++ {
++ if (type != PC_SLICE_TYPE_NONE
++ && ! IS_PC_SLICE_TYPE_BSD (type)
++ && ! IS_PC_SLICE_TYPE_EXTENDED (type))
++ {
++ current_partition = part;
++ if (open_device ())
++ {
++ saved_drive = current_drive;
++ saved_partition = current_partition;
++ if (grub_open (filename))
++ {
++ int bsd_part = (part >> 8) & 0xFF;
++ int pc_slice = part >> 16;
++
++ grub_close ();
++
++ if (bsd_part == 0xFF)
++ grub_printf (" (hd%d,%d)\n",
++ drive - 0x80, pc_slice);
++ else
++ grub_printf (" (hd%d,%d,%c)\n",
++ drive - 0x80, pc_slice, bsd_part + 'a');
++
++ got_file = 1;
++ }
++ }
++ }
++
++ /* We want to ignore any error here. */
++ errnum = ERR_NONE;
++ }
++
++ /* next_partition always sets ERRNUM in the last call, so clear
++ it. */
++ errnum = ERR_NONE;
++ }
++
++ saved_drive = tmp_drive;
++ saved_partition = tmp_partition;
++
++ if (got_file)
++ {
++ errnum = ERR_NONE;
++ return 0;
++ }
++
++ errnum = ERR_FILE_NOT_FOUND;
++ return 1;
++}
++
++static struct builtin builtin_find =
++{
++ "find",
++ find_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "find FILENAME",
++ "Search for the filename FILENAME in all of partitions and print the list of"
++ " the devices which contain the file."
++};
++
++
++/* fstest */
++static int
++fstest_func (char *arg, int flags)
++{
++ if (disk_read_hook)
++ {
++ disk_read_hook = NULL;
++ printf (" Filesystem tracing is now off\n");
++ }
++ else
++ {
++ disk_read_hook = disk_read_print_func;
++ printf (" Filesystem tracing is now on\n");
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_fstest =
++{
++ "fstest",
++ fstest_func,
++ BUILTIN_CMDLINE,
++ "fstest",
++ "Toggle filesystem test mode."
++};
++
++
++/* geometry */
++static int
++geometry_func (char *arg, int flags)
++{
++ struct geometry geom;
++ char *msg;
++ char *device = arg;
++#ifdef GRUB_UTIL
++ char *ptr;
++#endif
++
++ /* Get the device number. */
++ set_device (device);
++ if (errnum)
++ return 1;
++
++ /* Check for the geometry. */
++ if (get_diskinfo (current_drive, &geom))
++ {
++ errnum = ERR_NO_DISK;
++ return 1;
++ }
++
++ /* Attempt to read the first sector, because some BIOSes turns out not
++ to support LBA even though they set the bit 0 in the support
++ bitmap, only after reading something actually. */
++ if (biosdisk (BIOSDISK_READ, current_drive, &geom, 0, 1, SCRATCHSEG))
++ {
++ errnum = ERR_READ;
++ return 1;
++ }
++
++#ifdef GRUB_UTIL
++ ptr = skip_to (0, device);
++ if (*ptr)
++ {
++ char *cylinder, *head, *sector, *total_sector;
++ int num_cylinder, num_head, num_sector, num_total_sector;
++
++ cylinder = ptr;
++ head = skip_to (0, cylinder);
++ sector = skip_to (0, head);
++ total_sector = skip_to (0, sector);
++ if (! safe_parse_maxint (&cylinder, &num_cylinder)
++ || ! safe_parse_maxint (&head, &num_head)
++ || ! safe_parse_maxint (§or, &num_sector))
++ return 1;
++
++ disks[current_drive].cylinders = num_cylinder;
++ disks[current_drive].heads = num_head;
++ disks[current_drive].sectors = num_sector;
++
++ if (safe_parse_maxint (&total_sector, &num_total_sector))
++ disks[current_drive].total_sectors = num_total_sector;
++ else
++ disks[current_drive].total_sectors
++ = num_cylinder * num_head * num_sector;
++ errnum = 0;
++
++ geom = disks[current_drive];
++ buf_drive = -1;
++ }
++#endif /* GRUB_UTIL */
++
++#ifdef GRUB_UTIL
++ msg = device_map[current_drive];
++#else
++ if (geom.flags & BIOSDISK_FLAG_LBA_EXTENSION)
++ msg = "LBA";
++ else
++ msg = "CHS";
++#endif
++
++ grub_printf ("drive 0x%x: C/H/S = %d/%d/%d, "
++ "The number of sectors = %d, %s\n",
++ current_drive,
++ geom.cylinders, geom.heads, geom.sectors,
++ geom.total_sectors, msg);
++ real_open_partition (1);
++
++ return 0;
++}
++
++static struct builtin builtin_geometry =
++{
++ "geometry",
++ geometry_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "geometry DRIVE [CYLINDER HEAD SECTOR [TOTAL_SECTOR]]",
++ "Print the information for a drive DRIVE. In the grub shell, you can"
++ " set the geometry of the drive arbitrarily. The number of the cylinders,"
++ " the one of the heads, the one of the sectors and the one of the total"
++ " sectors are set to CYLINDER, HEAD, SECTOR and TOTAL_SECTOR,"
++ " respectively. If you omit TOTAL_SECTOR, then it will be calculated based"
++ " on the C/H/S values automatically."
++};
++
++
++/* halt */
++static int
++halt_func (char *arg, int flags)
++{
++ int no_apm;
++
++ no_apm = (grub_memcmp (arg, "--no-apm", 8) == 0);
++ grub_halt (no_apm);
++
++ /* Never reach here. */
++ return 1;
++}
++
++static struct builtin builtin_halt =
++{
++ "halt",
++ halt_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "halt [--no-apm]",
++ "Halt your system. If APM is avaiable on it, turn off the power using"
++ " the APM BIOS, unless you specify the option `--no-apm'."
++};
++
++
++/* help */
++#define MAX_SHORT_DOC_LEN 39
++#define MAX_LONG_DOC_LEN 66
++
++static int
++help_func (char *arg, int flags)
++{
++ int all = 0;
++
++ if (grub_memcmp (arg, "--all", sizeof ("--all") - 1) == 0)
++ {
++ all = 1;
++ arg = skip_to (0, arg);
++ }
++
++ if (! *arg)
++ {
++ /* Invoked with no argument. Print the list of the short docs. */
++ struct builtin **builtin;
++ int left = 1;
++
++ for (builtin = builtin_table; *builtin != 0; builtin++)
++ {
++ int len;
++ int i;
++
++ /* If this cannot be used in the command-line interface,
++ skip this. */
++ if (! ((*builtin)->flags & BUILTIN_CMDLINE))
++ continue;
++
++ /* If this doesn't need to be listed automatically and "--all"
++ is not specified, skip this. */
++ if (! all && ! ((*builtin)->flags & BUILTIN_HELP_LIST))
++ continue;
++
++ len = grub_strlen ((*builtin)->short_doc);
++ /* If the length of SHORT_DOC is too long, truncate it. */
++ if (len > MAX_SHORT_DOC_LEN - 1)
++ len = MAX_SHORT_DOC_LEN - 1;
++
++ for (i = 0; i < len; i++)
++ grub_putchar ((*builtin)->short_doc[i]);
++
++ for (; i < MAX_SHORT_DOC_LEN; i++)
++ grub_putchar (' ');
++
++ if (! left)
++ grub_putchar ('\n');
++
++ left = ! left;
++ }
++
++ /* If the last entry was at the left column, no newline was printed
++ at the end. */
++ if (! left)
++ grub_putchar ('\n');
++ }
++ else
++ {
++ /* Invoked with one or more patterns. */
++ do
++ {
++ struct builtin **builtin;
++ char *next_arg;
++
++ /* Get the next argument. */
++ next_arg = skip_to (0, arg);
++
++ /* Terminate ARG. */
++ nul_terminate (arg);
++
++ for (builtin = builtin_table; *builtin; builtin++)
++ {
++ /* Skip this if this is only for the configuration file. */
++ if (! ((*builtin)->flags & BUILTIN_CMDLINE))
++ continue;
++
++ if (substring (arg, (*builtin)->name) < 1)
++ {
++ char *doc = (*builtin)->long_doc;
++
++ /* At first, print the name and the short doc. */
++ grub_printf ("%s: %s\n",
++ (*builtin)->name, (*builtin)->short_doc);
++
++ /* Print the long doc. */
++ while (*doc)
++ {
++ int len = grub_strlen (doc);
++ int i;
++
++ /* If LEN is too long, fold DOC. */
++ if (len > MAX_LONG_DOC_LEN)
++ {
++ /* Fold this line at the position of a space. */
++ for (len = MAX_LONG_DOC_LEN; len > 0; len--)
++ if (doc[len - 1] == ' ')
++ break;
++ }
++
++ grub_printf (" ");
++ for (i = 0; i < len; i++)
++ grub_putchar (*doc++);
++ grub_putchar ('\n');
++ }
++ }
++ }
++
++ arg = next_arg;
++ }
++ while (*arg);
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_help =
++{
++ "help",
++ help_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "help [--all] [PATTERN ...]",
++ "Display helpful information about builtin commands. Not all commands"
++ " aren't shown without the option `--all'."
++};
++
++
++/* hiddenmenu */
++static int
++hiddenmenu_func (char *arg, int flags)
++{
++ show_menu = 0;
++ return 0;
++}
++
++static struct builtin builtin_hiddenmenu =
++{
++ "hiddenmenu",
++ hiddenmenu_func,
++ BUILTIN_MENU,
++#if 0
++ "hiddenmenu",
++ "Hide the menu."
++#endif
++};
++
++
++/* hide */
++static int
++hide_func (char *arg, int flags)
++{
++ if (! set_device (arg))
++ return 1;
++
++ if (! set_partition_hidden_flag (1))
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_hide =
++{
++ "hide",
++ hide_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "hide PARTITION",
++ "Hide PARTITION by setting the \"hidden\" bit in"
++ " its partition type code."
++};
++
++
++#ifdef SUPPORT_NETBOOT
++/* ifconfig */
++static int
++ifconfig_func (char *arg, int flags)
++{
++ char *svr = 0, *ip = 0, *gw = 0, *sm = 0;
++
++ if (! eth_probe ())
++ {
++ grub_printf ("No ethernet card found.\n");
++ errnum = ERR_DEV_VALUES;
++ return 1;
++ }
++
++ while (*arg)
++ {
++ if (! grub_memcmp ("--server=", arg, sizeof ("--server=") - 1))
++ svr = arg + sizeof("--server=") - 1;
++ else if (! grub_memcmp ("--address=", arg, sizeof ("--address=") - 1))
++ ip = arg + sizeof ("--address=") - 1;
++ else if (! grub_memcmp ("--gateway=", arg, sizeof ("--gateway=") - 1))
++ gw = arg + sizeof ("--gateway=") - 1;
++ else if (! grub_memcmp ("--mask=", arg, sizeof("--mask=") - 1))
++ sm = arg + sizeof ("--mask=") - 1;
++ else
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ arg = skip_to (0, arg);
++ }
++
++ if (! ifconfig (ip, sm, gw, svr))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ print_network_configuration ();
++ return 0;
++}
++
++static struct builtin builtin_ifconfig =
++{
++ "ifconfig",
++ ifconfig_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "ifconfig [--address=IP] [--gateway=IP] [--mask=MASK] [--server=IP]",
++ "Configure the IP address, the netmask, the gateway and the server"
++ " address or print current network configuration."
++};
++#endif /* SUPPORT_NETBOOT */
++
++
++/* impsprobe */
++static int
++impsprobe_func (char *arg, int flags)
++{
++#ifdef GRUB_UTIL
++ /* In the grub shell, we cannot probe IMPS. */
++ errnum = ERR_UNRECOGNIZED;
++ return 1;
++#else /* ! GRUB_UTIL */
++ if (!imps_probe ())
++ printf (" No MPS information found or probe failed\n");
++
++ return 0;
++#endif /* ! GRUB_UTIL */
++}
++
++static struct builtin builtin_impsprobe =
++{
++ "impsprobe",
++ impsprobe_func,
++ BUILTIN_CMDLINE,
++ "impsprobe",
++ "Probe the Intel Multiprocessor Specification 1.1 or 1.4"
++ " configuration table and boot the various CPUs which are found into"
++ " a tight loop."
++};
++
++
++/* initrd */
++static int
++initrd_func (char *arg, int flags)
++{
++ switch (kernel_type)
++ {
++ case KERNEL_TYPE_LINUX:
++ case KERNEL_TYPE_BIG_LINUX:
++ if (! load_initrd (arg))
++ return 1;
++ break;
++
++ default:
++ errnum = ERR_NEED_LX_KERNEL;
++ return 1;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_initrd =
++{
++ "initrd",
++ initrd_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "initrd FILE [ARG ...]",
++ "Load an initial ramdisk FILE for a Linux format boot image and set the"
++ " appropriate parameters in the Linux setup area in memory."
++};
++
++
++/* install */
++static int
++install_func (char *arg, int flags)
++{
++ char *stage1_file, *dest_dev, *file, *addr;
++ char *stage1_buffer = (char *) RAW_ADDR (0x100000);
++ char *stage2_buffer = stage1_buffer + SECTOR_SIZE;
++ char *old_sect = stage2_buffer + SECTOR_SIZE;
++ char *stage2_first_buffer = old_sect + SECTOR_SIZE;
++ char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE;
++ /* XXX: Probably SECTOR_SIZE is reasonable. */
++ char *config_filename = stage2_second_buffer + SECTOR_SIZE;
++ char *dummy = config_filename + SECTOR_SIZE;
++ int new_drive = GRUB_INVALID_DRIVE;
++ int dest_drive, dest_partition, dest_sector;
++ int src_drive, src_partition, src_part_start;
++ int i;
++ struct geometry dest_geom, src_geom;
++ int saved_sector;
++ int stage2_first_sector, stage2_second_sector;
++ char *ptr;
++ int installaddr, installlist;
++ /* Point to the location of the name of a configuration file in Stage 2. */
++ char *config_file_location;
++ /* If FILE is a Stage 1.5? */
++ int is_stage1_5 = 0;
++ /* Must call grub_close? */
++ int is_open = 0;
++ /* If LBA is forced? */
++ int is_force_lba = 0;
++ /* Was the last sector full? */
++ int last_length = SECTOR_SIZE;
++
++#ifdef GRUB_UTIL
++ /* If the Stage 2 is in a partition mounted by an OS, this will store
++ the filename under the OS. */
++ char *stage2_os_file = 0;
++#endif /* GRUB_UTIL */
++
++ auto void disk_read_savesect_func (int sector, int offset, int length);
++ auto void disk_read_blocklist_func (int sector, int offset, int length);
++
++ /* Save the first sector of Stage2 in STAGE2_SECT. */
++ auto void disk_read_savesect_func (int sector, int offset, int length)
++ {
++ if (debug)
++ printf ("[%d]", sector);
++
++ /* ReiserFS has files which sometimes contain data not aligned
++ on sector boundaries. Returning an error is better than
++ silently failing. */
++ if (offset != 0 || length != SECTOR_SIZE)
++ errnum = ERR_UNALIGNED;
++
++ saved_sector = sector;
++ }
++
++ /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and
++ INSTALLSECT. */
++ auto void disk_read_blocklist_func (int sector, int offset, int length)
++ {
++ if (debug)
++ printf("[%d]", sector);
++
++ if (offset != 0 || last_length != SECTOR_SIZE)
++ {
++ /* We found a non-sector-aligned data block. */
++ errnum = ERR_UNALIGNED;
++ return;
++ }
++
++ last_length = length;
++
++ if (*((unsigned long *) (installlist - 4))
++ + *((unsigned short *) installlist) != sector
++ || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4)
++ {
++ installlist -= 8;
++
++ if (*((unsigned long *) (installlist - 8)))
++ errnum = ERR_WONT_FIT;
++ else
++ {
++ *((unsigned short *) (installlist + 2)) = (installaddr >> 4);
++ *((unsigned long *) (installlist - 4)) = sector;
++ }
++ }
++
++ *((unsigned short *) installlist) += 1;
++ installaddr += 512;
++ }
++
++ /* First, check the GNU-style long option. */
++ while (1)
++ {
++ if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0)
++ {
++ is_force_lba = 1;
++ arg = skip_to (0, arg);
++ }
++#ifdef GRUB_UTIL
++ else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0)
++ {
++ stage2_os_file = arg + sizeof ("--stage2=") - 1;
++ arg = skip_to (0, arg);
++ nul_terminate (stage2_os_file);
++ }
++#endif /* GRUB_UTIL */
++ else
++ break;
++ }
++
++ stage1_file = arg;
++ dest_dev = skip_to (0, stage1_file);
++ if (*dest_dev == 'd')
++ {
++ new_drive = 0;
++ dest_dev = skip_to (0, dest_dev);
++ }
++ file = skip_to (0, dest_dev);
++ addr = skip_to (0, file);
++
++ /* Get the installation address. */
++ if (! safe_parse_maxint (&addr, &installaddr))
++ {
++ /* ADDR is not specified. */
++ installaddr = 0;
++ ptr = addr;
++ errnum = 0;
++ }
++ else
++ ptr = skip_to (0, addr);
++
++#ifndef NO_DECOMPRESSION
++ /* Do not decompress Stage 1 or Stage 2. */
++ no_decompression = 1;
++#endif
++
++ /* Read Stage 1. */
++ is_open = grub_open (stage1_file);
++ if (! is_open
++ || ! grub_read (stage1_buffer, SECTOR_SIZE) == SECTOR_SIZE)
++ goto fail;
++
++ /* Read the old sector from DEST_DEV. */
++ if (! set_device (dest_dev)
++ || ! open_partition ()
++ || ! devread (0, 0, SECTOR_SIZE, old_sect))
++ goto fail;
++
++ /* Store the information for the destination device. */
++ dest_drive = current_drive;
++ dest_partition = current_partition;
++ dest_geom = buf_geom;
++ dest_sector = part_start;
++
++ /* Copy the possible DOS BPB, 59 bytes at byte offset 3. */
++ grub_memmove (stage1_buffer + BOOTSEC_BPB_OFFSET,
++ old_sect + BOOTSEC_BPB_OFFSET,
++ BOOTSEC_BPB_LENGTH);
++
++ /* If for a hard disk, copy the possible MBR/extended part table. */
++ if (dest_drive & 0x80)
++ grub_memmove (stage1_buffer + STAGE1_WINDOWS_NT_MAGIC,
++ old_sect + STAGE1_WINDOWS_NT_MAGIC,
++ STAGE1_PARTEND - STAGE1_WINDOWS_NT_MAGIC);
++
++ /* Check for the version and the signature of Stage 1. */
++ if (*((short *)(stage1_buffer + STAGE1_VER_MAJ_OFFS)) != COMPAT_VERSION
++ || (*((unsigned short *) (stage1_buffer + BOOTSEC_SIG_OFFSET))
++ != BOOTSEC_SIGNATURE))
++ {
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ /* This below is not true any longer. But should we leave this alone? */
++
++ /* If DEST_DRIVE is a floppy, Stage 2 must have the iteration probe
++ routine. */
++ if (! (dest_drive & 0x80)
++ && (*((unsigned char *) (stage1_buffer + BOOTSEC_PART_OFFSET)) == 0x80
++ || stage1_buffer[BOOTSEC_PART_OFFSET] == 0))
++ {
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ grub_close ();
++
++ /* Open Stage 2. */
++ is_open = grub_open (file);
++ if (! is_open)
++ goto fail;
++
++ src_drive = current_drive;
++ src_partition = current_partition;
++ src_part_start = part_start;
++ src_geom = buf_geom;
++
++ if (! new_drive)
++ new_drive = src_drive;
++ else if (src_drive != dest_drive)
++ grub_printf ("Warning: the option `d' was not used, but the Stage 1 will"
++ " be installed on a\ndifferent drive than the drive where"
++ " the Stage 2 resides.\n");
++
++ /* Set the boot drive. */
++ *((unsigned char *) (stage1_buffer + STAGE1_BOOT_DRIVE)) = new_drive;
++
++ /* Set the "force LBA" flag. */
++ *((unsigned char *) (stage1_buffer + STAGE1_FORCE_LBA)) = is_force_lba;
++
++ /* If DEST_DRIVE is a hard disk, enable the workaround, which is
++ for buggy BIOSes which don't pass boot drive correctly. Instead,
++ they pass 0x00 or 0x01 even when booted from 0x80. */
++ if (dest_drive & BIOS_FLAG_FIXED_DISK)
++ /* Replace the jmp (2 bytes) with double nop's. */
++ *((unsigned short *) (stage1_buffer + STAGE1_BOOT_DRIVE_CHECK))
++ = 0x9090;
++
++ /* Read the first sector of Stage 2. */
++ disk_read_hook = disk_read_savesect_func;
++ if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE)
++ goto fail;
++
++ stage2_first_sector = saved_sector;
++
++ /* Read the second sector of Stage 2. */
++ if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE)
++ goto fail;
++
++ stage2_second_sector = saved_sector;
++
++ /* Check for the version of Stage 2. */
++ if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS))
++ != COMPAT_VERSION)
++ {
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ /* Check for the Stage 2 id. */
++ if (stage2_second_buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2)
++ is_stage1_5 = 1;
++
++ /* If INSTALLADDR is not specified explicitly in the command-line,
++ determine it by the Stage 2 id. */
++ if (! installaddr)
++ {
++ if (! is_stage1_5)
++ /* Stage 2. */
++ installaddr = 0x8000;
++ else
++ /* Stage 1.5. */
++ installaddr = 0x2000;
++ }
++
++ *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR))
++ = stage2_first_sector;
++ *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS))
++ = installaddr;
++ *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT))
++ = installaddr >> 4;
++
++ i = (int) stage2_first_buffer + SECTOR_SIZE - 4;
++ while (*((unsigned long *) i))
++ {
++ if (i < (int) stage2_first_buffer
++ || (*((int *) (i - 4)) & 0x80000000)
++ || *((unsigned short *) i) >= 0xA00
++ || *((short *) (i + 2)) == 0)
++ {
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ *((int *) i) = 0;
++ *((int *) (i - 4)) = 0;
++ i -= 8;
++ }
++
++ installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4;
++ installaddr += SECTOR_SIZE;
++
++ /* Read the whole of Stage2 except for the first sector. */
++ grub_seek (SECTOR_SIZE);
++
++ disk_read_hook = disk_read_blocklist_func;
++ if (! grub_read (dummy, -1))
++ goto fail;
++
++ disk_read_hook = 0;
++
++ /* Find a string for the configuration filename. */
++ config_file_location = stage2_second_buffer + STAGE2_VER_STR_OFFS;
++ while (*(config_file_location++))
++ ;
++
++ /* Set the "force LBA" flag for Stage2. */
++ *((unsigned char *) (stage2_second_buffer + STAGE2_FORCE_LBA))
++ = is_force_lba;
++
++ if (*ptr == 'p')
++ {
++ *((long *) (stage2_second_buffer + STAGE2_INSTALLPART))
++ = src_partition;
++ if (is_stage1_5)
++ {
++ /* Reset the device information in FILE if it is a Stage 1.5. */
++ unsigned long device = 0xFFFFFFFF;
++
++ grub_memmove (config_file_location, (char *) &device,
++ sizeof (device));
++ }
++
++ ptr = skip_to (0, ptr);
++ }
++
++ if (*ptr)
++ {
++ grub_strcpy (config_filename, ptr);
++ nul_terminate (config_filename);
++
++ if (! is_stage1_5)
++ /* If it is a Stage 2, just copy PTR to CONFIG_FILE_LOCATION. */
++ grub_strcpy (config_file_location, ptr);
++ else
++ {
++ char *real_config;
++ unsigned long device;
++
++ /* Translate the external device syntax to the internal device
++ syntax. */
++ if (! (real_config = set_device (ptr)))
++ {
++ /* The Stage 2 PTR does not contain the device name, so
++ use the root device instead. */
++ errnum = ERR_NONE;
++ current_drive = saved_drive;
++ current_partition = saved_partition;
++ real_config = ptr;
++ }
++
++ if (current_drive == src_drive)
++ {
++ /* If the drive where the Stage 2 resides is the same as
++ the one where the Stage 1.5 resides, do not embed the
++ drive number. */
++ current_drive = GRUB_INVALID_DRIVE;
++ }
++
++ device = (current_drive << 24) | current_partition;
++ grub_memmove (config_file_location, (char *) &device,
++ sizeof (device));
++ grub_strcpy (config_file_location + sizeof (device),
++ real_config);
++ }
++
++ /* If a Stage 1.5 is used, then we need to modify the Stage2. */
++ if (is_stage1_5)
++ {
++ char *real_config_filename = skip_to (0, ptr);
++
++ is_open = grub_open (config_filename);
++ if (! is_open)
++ goto fail;
++
++ /* Skip the first sector. */
++ grub_seek (SECTOR_SIZE);
++
++ disk_read_hook = disk_read_savesect_func;
++ if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE)
++ goto fail;
++
++ disk_read_hook = 0;
++ grub_close ();
++ is_open = 0;
++
++ /* Sanity check. */
++ if (*(stage2_buffer + STAGE2_STAGE2_ID) != STAGE2_ID_STAGE2)
++ {
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ /* Set the "force LBA" flag for Stage2. */
++ *(stage2_buffer + STAGE2_FORCE_LBA) = is_force_lba;
++
++ /* If REAL_CONFIG_FILENAME is specified, copy it to the Stage2. */
++ if (*real_config_filename)
++ {
++ /* Specified */
++ char *location;
++
++ /* Find a string for the configuration filename. */
++ location = stage2_buffer + STAGE2_VER_STR_OFFS;
++ while (*(location++))
++ ;
++
++ /* Copy the name. */
++ grub_strcpy (location, real_config_filename);
++ }
++
++ /* Write it to the disk. */
++ buf_track = -1;
++
++#ifdef GRUB_UTIL
++ /* In the grub shell, access the Stage 2 via the OS filesystem
++ service, if possible. */
++ if (stage2_os_file)
++ {
++ FILE *fp;
++
++ fp = fopen (stage2_os_file, "r+");
++ if (! fp)
++ {
++ errnum = ERR_FILE_NOT_FOUND;
++ goto fail;
++ }
++
++ if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0)
++ {
++ fclose (fp);
++ errnum = ERR_BAD_VERSION;
++ goto fail;
++ }
++
++ if (fwrite (stage2_buffer, 1, SECTOR_SIZE, fp)
++ != SECTOR_SIZE)
++ {
++ fclose (fp);
++ errnum = ERR_WRITE;
++ goto fail;
++ }
++
++ fclose (fp);
++ }
++ else
++#endif /* GRUB_UTIL */
++ {
++ if (! devwrite (saved_sector - part_start, 1, stage2_buffer))
++ goto fail;
++ }
++ }
++ }
++
++ /* Clear the cache. */
++ buf_track = -1;
++
++ /* Write the modified sectors of Stage2 to the disk. */
++#ifdef GRUB_UTIL
++ if (! is_stage1_5 && stage2_os_file)
++ {
++ FILE *fp;
++
++ fp = fopen (stage2_os_file, "r+");
++ if (! fp)
++ {
++ errnum = ERR_FILE_NOT_FOUND;
++ goto fail;
++ }
++
++ if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
++ {
++ fclose (fp);
++ errnum = ERR_WRITE;
++ goto fail;
++ }
++
++ if (fwrite (stage2_second_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE)
++ {
++ fclose (fp);
++ errnum = ERR_WRITE;
++ goto fail;
++ }
++
++ fclose (fp);
++ }
++ else
++#endif /* GRUB_UTIL */
++ {
++ /* The first. */
++ current_drive = src_drive;
++ current_partition = src_partition;
++
++ if (! open_partition ())
++ goto fail;
++
++ if (! devwrite (stage2_first_sector - src_part_start, 1,
++ stage2_first_buffer))
++ goto fail;
++
++ if (! devwrite (stage2_second_sector - src_part_start, 1,
++ stage2_second_buffer))
++ goto fail;
++ }
++
++ /* Write the modified sector of Stage 1 to the disk. */
++ current_drive = dest_drive;
++ current_partition = dest_partition;
++ if (! open_partition ())
++ goto fail;
++
++ devwrite (0, 1, stage1_buffer);
++
++ fail:
++ if (is_open)
++ grub_close ();
++
++ disk_read_hook = 0;
++
++#ifndef NO_DECOMPRESSION
++ no_decompression = 0;
++#endif
++
++ return errnum;
++}
++
++static struct builtin builtin_install =
++{
++ "install",
++ install_func,
++ BUILTIN_CMDLINE,
++ "install [--stage2=STAGE2_FILE] [--force-lba] STAGE1 [d] DEVICE STAGE2 [ADDR] [p] [CONFIG_FILE] [REAL_CONFIG_FILE]",
++ "Install STAGE1 on DEVICE, and install a blocklist for loading STAGE2"
++ " as a Stage 2. If the option `d' is present, the Stage 1 will always"
++ " look for the disk where STAGE2 was installed, rather than using"
++ " the booting drive. The Stage 2 will be loaded at address ADDR, which"
++ " will be determined automatically if you don't specify it. If"
++ " the option `p' or CONFIG_FILE is present, then the first block"
++ " of Stage 2 is patched with new values of the partition and name"
++ " of the configuration file used by the true Stage 2 (for a Stage 1.5,"
++ " this is the name of the true Stage 2) at boot time. If STAGE2 is a Stage"
++ " 1.5 and REAL_CONFIG_FILE is present, then the Stage 2 CONFIG_FILE is"
++ " patched with the configuration filename REAL_CONFIG_FILE."
++ " If the option `--force-lba' is specified, disable some sanity checks"
++ " for LBA mode. If the option `--stage2' is specified, rewrite the Stage"
++ " 2 via your OS's filesystem instead of the raw device."
++};
++
++
++/* ioprobe */
++static int
++ioprobe_func (char *arg, int flags)
++{
++#ifdef GRUB_UTIL
++
++ errnum = ERR_UNRECOGNIZED;
++ return 1;
++
++#else /* ! GRUB_UTIL */
++
++ unsigned short *port;
++
++ /* Get the drive number. */
++ set_device (arg);
++ if (errnum)
++ return 1;
++
++ /* Clean out IO_MAP. */
++ grub_memset ((char *) io_map, 0, IO_MAP_SIZE * sizeof (unsigned short));
++
++ /* Track the int13 handler. */
++ track_int13 (current_drive);
++
++ /* Print out the result. */
++ for (port = io_map; *port != 0; port++)
++ grub_printf (" 0x%x", (unsigned int) *port);
++
++ return 0;
++
++#endif /* ! GRUB_UTIL */
++}
++
++static struct builtin builtin_ioprobe =
++{
++ "ioprobe",
++ ioprobe_func,
++ BUILTIN_CMDLINE,
++ "ioprobe DRIVE",
++ "Probe I/O ports used for the drive DRIVE."
++};
++
++
++/* kernel */
++static int
++kernel_func (char *arg, int flags)
++{
++ int len;
++ kernel_t suggested_type = KERNEL_TYPE_NONE;
++ unsigned long load_flags = 0;
++
++#ifndef AUTO_LINUX_MEM_OPT
++ load_flags |= KERNEL_LOAD_NO_MEM_OPTION;
++#endif
++
++ /* Deal with GNU-style long options. */
++ while (1)
++ {
++ /* If the option `--type=TYPE' is specified, convert the string to
++ a kernel type. */
++ if (grub_memcmp (arg, "--type=", 7) == 0)
++ {
++ arg += 7;
++
++ if (grub_memcmp (arg, "netbsd", 6) == 0)
++ suggested_type = KERNEL_TYPE_NETBSD;
++ else if (grub_memcmp (arg, "freebsd", 7) == 0)
++ suggested_type = KERNEL_TYPE_FREEBSD;
++ else if (grub_memcmp (arg, "openbsd", 7) == 0)
++ /* XXX: For now, OpenBSD is identical to NetBSD, from GRUB's
++ point of view. */
++ suggested_type = KERNEL_TYPE_NETBSD;
++ else if (grub_memcmp (arg, "linux", 5) == 0)
++ suggested_type = KERNEL_TYPE_LINUX;
++ else if (grub_memcmp (arg, "biglinux", 8) == 0)
++ suggested_type = KERNEL_TYPE_BIG_LINUX;
++ else if (grub_memcmp (arg, "multiboot", 9) == 0)
++ suggested_type = KERNEL_TYPE_MULTIBOOT;
++ else
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++ /* If the `--no-mem-option' is specified, don't pass a Linux's mem
++ option automatically. If the kernel is another type, this flag
++ has no effect. */
++ else if (grub_memcmp (arg, "--no-mem-option", 15) == 0)
++ load_flags |= KERNEL_LOAD_NO_MEM_OPTION;
++ else
++ break;
++
++ /* Try the next. */
++ arg = skip_to (0, arg);
++ }
++
++ len = grub_strlen (arg);
++
++ /* Reset MB_CMDLINE. */
++ mb_cmdline = (char *) MB_CMDLINE_BUF;
++ if (len + 1 > MB_CMDLINE_BUFLEN)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++
++ /* Copy the command-line to MB_CMDLINE. */
++ grub_memmove (mb_cmdline, arg, len + 1);
++ kernel_type = load_image (arg, mb_cmdline, suggested_type, load_flags);
++ if (kernel_type == KERNEL_TYPE_NONE)
++ return 1;
++
++ mb_cmdline += len + 1;
++ return 0;
++}
++
++static struct builtin builtin_kernel =
++{
++ "kernel",
++ kernel_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "kernel [--no-mem-option] [--type=TYPE] FILE [ARG ...]",
++ "Attempt to load the primary boot image from FILE. The rest of the"
++ " line is passed verbatim as the \"kernel command line\". Any modules"
++ " must be reloaded after using this command. The option --type is used"
++ " to suggest what type of kernel to be loaded. TYPE must be either of"
++ " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and"
++ " \"multiboot\". The option --no-mem-option tells GRUB not to pass a"
++ " Linux's mem option automatically."
++};
++
++
++/* lock */
++static int
++lock_func (char *arg, int flags)
++{
++ if (! auth && password)
++ {
++ errnum = ERR_PRIVILEGED;
++ return 1;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_lock =
++{
++ "lock",
++ lock_func,
++ BUILTIN_CMDLINE,
++ "lock",
++ "Break a command execution unless the user is authenticated."
++};
++
++
++/* makeactive */
++static int
++makeactive_func (char *arg, int flags)
++{
++ if (! make_saved_active ())
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_makeactive =
++{
++ "makeactive",
++ makeactive_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "makeactive",
++ "Set the active partition on the root disk to GRUB's root device."
++ " This command is limited to _primary_ PC partitions on a hard disk."
++};
++
++
++/* map */
++/* Map FROM_DRIVE to TO_DRIVE. */
++static int
++map_func (char *arg, int flags)
++{
++ char *to_drive;
++ char *from_drive;
++ unsigned long to, from;
++ int i;
++
++ to_drive = arg;
++ from_drive = skip_to (0, arg);
++
++ /* Get the drive number for TO_DRIVE. */
++ set_device (to_drive);
++ if (errnum)
++ return 1;
++ to = current_drive;
++
++ /* Get the drive number for FROM_DRIVE. */
++ set_device (from_drive);
++ if (errnum)
++ return 1;
++ from = current_drive;
++
++ /* Search for an empty slot in BIOS_DRIVE_MAP. */
++ for (i = 0; i < DRIVE_MAP_SIZE; i++)
++ {
++ /* Perhaps the user wants to override the map. */
++ if ((bios_drive_map[i] & 0xff) == from)
++ break;
++
++ if (! bios_drive_map[i])
++ break;
++ }
++
++ if (i == DRIVE_MAP_SIZE)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++
++ if (to == from)
++ /* If TO is equal to FROM, delete the entry. */
++ grub_memmove ((char *) &bios_drive_map[i], (char *) &bios_drive_map[i + 1],
++ sizeof (unsigned short) * (DRIVE_MAP_SIZE - i));
++ else
++ bios_drive_map[i] = from | (to << 8);
++
++ return 0;
++}
++
++static struct builtin builtin_map =
++{
++ "map",
++ map_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "map TO_DRIVE FROM_DRIVE",
++ "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary"
++ " when you chain-load some operating systems, such as DOS, if such an"
++ " OS resides at a non-first drive."
++};
++
++
++#ifdef USE_MD5_PASSWORDS
++/* md5crypt */
++static int
++md5crypt_func (char *arg, int flags)
++{
++ char crypted[36];
++ char key[32];
++ unsigned int seed;
++ int i;
++ const char *const seedchars =
++ "./0123456789ABCDEFGHIJKLMNOPQRST"
++ "UVWXYZabcdefghijklmnopqrstuvwxyz";
++
++ /* First create a salt. */
++
++ /* The magical prefix. */
++ grub_memset (crypted, 0, sizeof (crypted));
++ grub_memmove (crypted, "$1$", 3);
++
++ /* Create the length of a salt. */
++ seed = currticks ();
++
++ /* Generate a salt. */
++ for (i = 0; i < 8 && seed; i++)
++ {
++ /* FIXME: This should be more random. */
++ crypted[3 + i] = seedchars[seed & 0x3f];
++ seed >>= 6;
++ }
++
++ /* A salt must be terminated with `$', if it is less than 8 chars. */
++ crypted[3 + i] = '$';
++
++#ifdef DEBUG_MD5CRYPT
++ grub_printf ("salt = %s\n", crypted);
++#endif
++
++ /* Get a password. */
++ grub_memset (key, 0, sizeof (key));
++ get_cmdline ("Password: ", key, sizeof (key) - 1, '*', 0);
++
++ /* Crypt the key. */
++ make_md5_password (key, crypted);
++
++ grub_printf ("Encrypted: %s\n", crypted);
++ return 0;
++}
++
++static struct builtin builtin_md5crypt =
++{
++ "md5crypt",
++ md5crypt_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "md5crypt",
++ "Generate a password in MD5 format."
++};
++#endif /* USE_MD5_PASSWORDS */
++
++
++/* module */
++static int
++module_func (char *arg, int flags)
++{
++ int len = grub_strlen (arg);
++
++ switch (kernel_type)
++ {
++ case KERNEL_TYPE_MULTIBOOT:
++ if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++ grub_memmove (mb_cmdline, arg, len + 1);
++ if (! load_module (arg, mb_cmdline))
++ return 1;
++ mb_cmdline += len + 1;
++ break;
++
++ case KERNEL_TYPE_LINUX:
++ case KERNEL_TYPE_BIG_LINUX:
++ if (! load_initrd (arg))
++ return 1;
++ break;
++
++ default:
++ errnum = ERR_NEED_MB_KERNEL;
++ return 1;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_module =
++{
++ "module",
++ module_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "module FILE [ARG ...]",
++ "Load a boot module FILE for a Multiboot format boot image (no"
++ " interpretation of the file contents is made, so users of this"
++ " command must know what the kernel in question expects). The"
++ " rest of the line is passed as the \"module command line\", like"
++ " the `kernel' command."
++};
++
++
++/* modulenounzip */
++static int
++modulenounzip_func (char *arg, int flags)
++{
++ int ret;
++
++#ifndef NO_DECOMPRESSION
++ no_decompression = 1;
++#endif
++
++ ret = module_func (arg, flags);
++
++#ifndef NO_DECOMPRESSION
++ no_decompression = 0;
++#endif
++
++ return ret;
++}
++
++static struct builtin builtin_modulenounzip =
++{
++ "modulenounzip",
++ modulenounzip_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "modulenounzip FILE [ARG ...]",
++ "The same as `module', except that automatic decompression is"
++ " disabled."
++};
++
++
++/* pager [on|off] */
++static int
++pager_func (char *arg, int flags)
++{
++ /* If ARG is empty, toggle the flag. */
++ if (! *arg)
++ use_pager = ! use_pager;
++ else if (grub_memcmp (arg, "on", 2) == 0)
++ use_pager = 1;
++ else if (grub_memcmp (arg, "off", 3) == 0)
++ use_pager = 0;
++ else
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ grub_printf (" Internal pager is now %s\n", use_pager ? "on" : "off");
++ return 0;
++}
++
++static struct builtin builtin_pager =
++{
++ "pager",
++ pager_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "pager [FLAG]",
++ "Toggle pager mode with no argument. If FLAG is given and its value"
++ " is `on', turn on the mode. If FLAG is `off', turn off the mode."
++};
++
++
++/* partnew PART TYPE START LEN */
++static int
++partnew_func (char *arg, int flags)
++{
++ int new_type, new_start, new_len;
++ int start_cl, start_ch, start_dh;
++ int end_cl, end_ch, end_dh;
++ int entry;
++ char mbr[512];
++
++ /* Convert a LBA address to a CHS address in the INT 13 format. */
++ auto void lba_to_chs (int lba, int *cl, int *ch, int *dh);
++ void lba_to_chs (int lba, int *cl, int *ch, int *dh)
++ {
++ int cylinder, head, sector;
++
++ sector = lba % buf_geom.sectors + 1;
++ head = (lba / buf_geom.sectors) % buf_geom.heads;
++ cylinder = lba / (buf_geom.sectors * buf_geom.heads);
++
++ if (cylinder >= buf_geom.cylinders)
++ cylinder = buf_geom.cylinders - 1;
++
++ *cl = sector | ((cylinder & 0x300) >> 2);
++ *ch = cylinder & 0xFF;
++ *dh = head;
++ }
++
++ /* Get the drive and the partition. */
++ if (! set_device (arg))
++ return 1;
++
++ /* The drive must be a hard disk. */
++ if (! (current_drive & 0x80))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* The partition must a primary partition. */
++ if ((current_partition >> 16) > 3
++ || (current_partition & 0xFFFF) != 0xFFFF)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ entry = current_partition >> 16;
++
++ /* Get the new partition type. */
++ arg = skip_to (0, arg);
++ if (! safe_parse_maxint (&arg, &new_type))
++ return 1;
++
++ /* The partition type is unsigned char. */
++ if (new_type > 0xFF)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* Get the new partition start. */
++ arg = skip_to (0, arg);
++ if (! safe_parse_maxint (&arg, &new_start))
++ return 1;
++
++ /* Get the new partition length. */
++ arg = skip_to (0, arg);
++ if (! safe_parse_maxint (&arg, &new_len))
++ return 1;
++
++ /* Read the MBR. */
++ if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr))
++ return 1;
++
++ /* Check if the new partition will fit in the disk. */
++ if (new_start + new_len > buf_geom.total_sectors)
++ {
++ errnum = ERR_GEOM;
++ return 1;
++ }
++
++ /* Store the partition information in the MBR. */
++ lba_to_chs (new_start, &start_cl, &start_ch, &start_dh);
++ lba_to_chs (new_start + new_len - 1, &end_cl, &end_ch, &end_dh);
++
++ PC_SLICE_FLAG (mbr, entry) = 0;
++ PC_SLICE_HEAD (mbr, entry) = start_dh;
++ PC_SLICE_SEC (mbr, entry) = start_cl;
++ PC_SLICE_CYL (mbr, entry) = start_ch;
++ PC_SLICE_TYPE (mbr, entry) = new_type;
++ PC_SLICE_EHEAD (mbr, entry) = end_dh;
++ PC_SLICE_ESEC (mbr, entry) = end_cl;
++ PC_SLICE_ECYL (mbr, entry) = end_ch;
++ PC_SLICE_START (mbr, entry) = new_start;
++ PC_SLICE_LENGTH (mbr, entry) = new_len;
++
++ /* Make sure that the MBR has a valid signature. */
++ PC_MBR_SIG (mbr) = PC_MBR_SIGNATURE;
++
++ /* Write back the MBR to the disk. */
++ buf_track = -1;
++ if (! rawwrite (current_drive, 0, mbr))
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_partnew =
++{
++ "partnew",
++ partnew_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "partnew PART TYPE START LEN",
++ "Create a primary partition at the starting address START with the"
++ " length LEN, with the type TYPE. START and LEN are in sector units."
++};
++
++
++/* parttype PART TYPE */
++static int
++parttype_func (char *arg, int flags)
++{
++ int new_type;
++ unsigned long part = 0xFFFFFF;
++ unsigned long start, len, offset, ext_offset;
++ int entry, type;
++ char mbr[512];
++
++ /* Get the drive and the partition. */
++ if (! set_device (arg))
++ return 1;
++
++ /* The drive must be a hard disk. */
++ if (! (current_drive & 0x80))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* The partition must be a PC slice. */
++ if ((current_partition >> 16) == 0xFF
++ || (current_partition & 0xFFFF) != 0xFFFF)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* Get the new partition type. */
++ arg = skip_to (0, arg);
++ if (! safe_parse_maxint (&arg, &new_type))
++ return 1;
++
++ /* The partition type is unsigned char. */
++ if (new_type > 0xFF)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ /* Look for the partition. */
++ while (next_partition (current_drive, 0xFFFFFF, &part, &type,
++ &start, &len, &offset, &entry,
++ &ext_offset, mbr))
++ {
++ if (part == current_partition)
++ {
++ /* Found. */
++
++ /* Set the type to NEW_TYPE. */
++ PC_SLICE_TYPE (mbr, entry) = new_type;
++
++ /* Write back the MBR to the disk. */
++ buf_track = -1;
++ if (! rawwrite (current_drive, offset, mbr))
++ return 1;
++
++ /* Succeed. */
++ return 0;
++ }
++ }
++
++ /* The partition was not found. ERRNUM was set by next_partition. */
++ return 1;
++}
++
++static struct builtin builtin_parttype =
++{
++ "parttype",
++ parttype_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "parttype PART TYPE",
++ "Change the type of the partition PART to TYPE."
++};
++
++
++/* password */
++static int
++password_func (char *arg, int flags)
++{
++ int len;
++ password_t type = PASSWORD_PLAIN;
++
++#ifdef USE_MD5_PASSWORDS
++ if (grub_memcmp (arg, "--md5", 5) == 0)
++ {
++ type = PASSWORD_MD5;
++ arg = skip_to (0, arg);
++ }
++#endif
++ if (grub_memcmp (arg, "--", 2) == 0)
++ {
++ type = PASSWORD_UNSUPPORTED;
++ arg = skip_to (0, arg);
++ }
++
++ if ((flags & (BUILTIN_CMDLINE | BUILTIN_SCRIPT)) != 0)
++ {
++ /* Do password check! */
++ char entered[32];
++
++ /* Wipe out any previously entered password */
++ entered[0] = 0;
++ get_cmdline ("Password: ", entered, 31, '*', 0);
++
++ nul_terminate (arg);
++ if (check_password (entered, arg, type) != 0)
++ {
++ errnum = ERR_PRIVILEGED;
++ return 1;
++ }
++ }
++ else
++ {
++ len = grub_strlen (arg);
++
++ /* PASSWORD NUL NUL ... */
++ if (len + 2 > PASSWORD_BUFLEN)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++
++ /* Copy the password and clear the rest of the buffer. */
++ password = (char *) PASSWORD_BUF;
++ grub_memmove (password, arg, len);
++ grub_memset (password + len, 0, PASSWORD_BUFLEN - len);
++ password_type = type;
++ }
++ return 0;
++}
++
++static struct builtin builtin_password =
++{
++ "password",
++ password_func,
++ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO,
++ "password [--md5] PASSWD [FILE]",
++ "If used in the first section of a menu file, disable all"
++ " interactive editing control (menu entry editor and"
++ " command line). If the password PASSWD is entered, it loads the"
++ " FILE as a new config file and restarts the GRUB Stage 2. If you"
++ " omit the argument FILE, then GRUB just unlocks privileged"
++ " instructions. You can also use it in the script section, in"
++ " which case it will ask for the password, before continueing."
++ " The option --md5 tells GRUB that PASSWD is encrypted with"
++ " md5crypt."
++};
++
++
++/* pause */
++static int
++pause_func (char *arg, int flags)
++{
++ printf("%s\n", arg);
++
++ /* If ESC is returned, then abort this entry. */
++ if (ASCII_CHAR (getkey ()) == 27)
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_pause =
++{
++ "pause",
++ pause_func,
++ BUILTIN_CMDLINE | BUILTIN_NO_ECHO,
++ "pause [MESSAGE ...]",
++ "Print MESSAGE, then wait until a key is pressed."
++};
++
++
++#ifdef GRUB_UTIL
++/* quit */
++static int
++quit_func (char *arg, int flags)
++{
++ stop ();
++
++ /* Never reach here. */
++ return 0;
++}
++
++static struct builtin builtin_quit =
++{
++ "quit",
++ quit_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "quit",
++ "Exit from the GRUB shell."
++};
++#endif /* GRUB_UTIL */
++
++
++#ifdef SUPPORT_NETBOOT
++/* rarp */
++static int
++rarp_func (char *arg, int flags)
++{
++ if (! rarp ())
++ {
++ if (errnum == ERR_NONE)
++ errnum = ERR_DEV_VALUES;
++
++ return 1;
++ }
++
++ /* Notify the configuration. */
++ print_network_configuration ();
++ return 0;
++}
++
++static struct builtin builtin_rarp =
++{
++ "rarp",
++ rarp_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "rarp",
++ "Initialize a network device via RARP."
++};
++#endif /* SUPPORT_NETBOOT */
++
++
++static int
++read_func (char *arg, int flags)
++{
++ int addr;
++
++ if (! safe_parse_maxint (&arg, &addr))
++ return 1;
++
++ grub_printf ("Address 0x%x: Value 0x%x\n",
++ addr, *((unsigned *) RAW_ADDR (addr)));
++ return 0;
++}
++
++static struct builtin builtin_read =
++{
++ "read",
++ read_func,
++ BUILTIN_CMDLINE,
++ "read ADDR",
++ "Read a 32-bit value from memory at address ADDR and"
++ " display it in hex format."
++};
++
++
++/* reboot */
++static int
++reboot_func (char *arg, int flags)
++{
++ grub_reboot ();
++
++ /* Never reach here. */
++ return 1;
++}
++
++static struct builtin builtin_reboot =
++{
++ "reboot",
++ reboot_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "reboot",
++ "Reboot your system."
++};
++
++
++/* Print the root device information. */
++static void
++print_root_device (void)
++{
++ if (saved_drive == NETWORK_DRIVE)
++ {
++ /* Network drive. */
++ grub_printf (" (nd):");
++ }
++ else if (saved_drive & 0x80)
++ {
++ /* Hard disk drive. */
++ grub_printf (" (hd%d", saved_drive - 0x80);
++
++ if ((saved_partition & 0xFF0000) != 0xFF0000)
++ grub_printf (",%d", saved_partition >> 16);
++
++ if ((saved_partition & 0x00FF00) != 0x00FF00)
++ grub_printf (",%c", ((saved_partition >> 8) & 0xFF) + 'a');
++
++ grub_printf ("):");
++ }
++ else
++ {
++ /* Floppy disk drive. */
++ grub_printf (" (fd%d):", saved_drive);
++ }
++
++ /* Print the filesystem information. */
++ current_partition = saved_partition;
++ current_drive = saved_drive;
++ print_fsys_type ();
++}
++
++static int
++real_root_func (char *arg, int attempt_mount)
++{
++ int hdbias = 0;
++ char *biasptr;
++ char *next;
++
++ /* If ARG is empty, just print the current root device. */
++ if (! *arg)
++ {
++ print_root_device ();
++ return 0;
++ }
++
++ /* Call set_device to get the drive and the partition in ARG. */
++ next = set_device (arg);
++ if (! next)
++ return 1;
++
++ /* Ignore ERR_FSYS_MOUNT. */
++ if (attempt_mount)
++ {
++ if (! open_device () && errnum != ERR_FSYS_MOUNT)
++ return 1;
++ }
++ else
++ {
++ /* This is necessary, because the location of a partition table
++ must be set appropriately. */
++ if (open_partition ())
++ {
++ set_bootdev (0);
++ if (errnum)
++ return 1;
++ }
++ }
++
++ /* Clear ERRNUM. */
++ errnum = 0;
++ saved_partition = current_partition;
++ saved_drive = current_drive;
++
++ if (attempt_mount)
++ {
++ /* BSD and chainloading evil hacks !! */
++ biasptr = skip_to (0, next);
++ safe_parse_maxint (&biasptr, &hdbias);
++ errnum = 0;
++ bootdev = set_bootdev (hdbias);
++ if (errnum)
++ return 1;
++
++ /* Print the type of the filesystem. */
++ print_fsys_type ();
++ }
++
++ return 0;
++}
++
++static int
++root_func (char *arg, int flags)
++{
++ return real_root_func (arg, 1);
++}
++
++static struct builtin builtin_root =
++{
++ "root",
++ root_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "root [DEVICE [HDBIAS]]",
++ "Set the current \"root device\" to the device DEVICE, then"
++ " attempt to mount it to get the partition size (for passing the"
++ " partition descriptor in `ES:ESI', used by some chain-loaded"
++ " bootloaders), the BSD drive-type (for booting BSD kernels using"
++ " their native boot format), and correctly determine "
++ " the PC partition where a BSD sub-partition is located. The"
++ " optional HDBIAS parameter is a number to tell a BSD kernel"
++ " how many BIOS drive numbers are on controllers before the current"
++ " one. For example, if there is an IDE disk and a SCSI disk, and your"
++ " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."
++};
++
++
++/* rootnoverify */
++static int
++rootnoverify_func (char *arg, int flags)
++{
++ return real_root_func (arg, 0);
++}
++
++static struct builtin builtin_rootnoverify =
++{
++ "rootnoverify",
++ rootnoverify_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "rootnoverify [DEVICE [HDBIAS]]",
++ "Similar to `root', but don't attempt to mount the partition. This"
++ " is useful for when an OS is outside of the area of the disk that"
++ " GRUB can read, but setting the correct root device is still"
++ " desired. Note that the items mentioned in `root' which"
++ " derived from attempting the mount will NOT work correctly."
++};
++
++
++/* savedefault */
++static int
++savedefault_func (char *arg, int flags)
++{
++#if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL)
++ unsigned long tmp_drive = saved_drive;
++ unsigned long tmp_partition = saved_partition;
++ char *default_file = (char *) DEFAULT_FILE_BUF;
++ char buf[10];
++ char sect[SECTOR_SIZE];
++ int entryno;
++ int sector_count = 0;
++ int saved_sectors[2];
++ int saved_offsets[2];
++ int saved_lengths[2];
++
++ /* Save sector information about at most two sectors. */
++ auto void disk_read_savesect_func (int sector, int offset, int length);
++ void disk_read_savesect_func (int sector, int offset, int length)
++ {
++ if (sector_count < 2)
++ {
++ saved_sectors[sector_count] = sector;
++ saved_offsets[sector_count] = offset;
++ saved_lengths[sector_count] = length;
++ }
++ sector_count++;
++ }
++
++ /* This command is only useful when you boot an entry from the menu
++ interface. */
++ if (! (flags & BUILTIN_SCRIPT))
++ {
++ errnum = ERR_UNRECOGNIZED;
++ return 1;
++ }
++
++ /* Determine a saved entry number. */
++ if (*arg)
++ {
++ if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0)
++ {
++ int i;
++ int index = 0;
++
++ for (i = 0; i < MAX_FALLBACK_ENTRIES; i++)
++ {
++ if (fallback_entries[i] < 0)
++ break;
++ if (fallback_entries[i] == current_entryno)
++ {
++ index = i + 1;
++ break;
++ }
++ }
++
++ if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0)
++ {
++ /* This is the last. */
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ entryno = fallback_entries[index];
++ }
++ else if (! safe_parse_maxint (&arg, &entryno))
++ return 1;
++ }
++ else
++ entryno = current_entryno;
++
++ /* Open the default file. */
++ saved_drive = boot_drive;
++ saved_partition = install_partition;
++ if (grub_open (default_file))
++ {
++ int len;
++
++ disk_read_hook = disk_read_savesect_func;
++ len = grub_read (buf, sizeof (buf));
++ disk_read_hook = 0;
++ grub_close ();
++
++ if (len != sizeof (buf))
++ {
++ /* This is too small. Do not modify the file manually, please! */
++ errnum = ERR_READ;
++ goto fail;
++ }
++
++ if (sector_count > 2)
++ {
++ /* Is this possible?! Too fragmented! */
++ errnum = ERR_FSYS_CORRUPT;
++ goto fail;
++ }
++
++ /* Set up a string to be written. */
++ grub_memset (buf, '\n', sizeof (buf));
++ grub_sprintf (buf, "%d", entryno);
++
++ if (saved_lengths[0] < sizeof (buf))
++ {
++ /* The file is anchored to another file and the first few bytes
++ are spanned in two sectors. Uggh... */
++ if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE,
++ sect))
++ goto fail;
++ grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]);
++ if (! rawwrite (current_drive, saved_sectors[0], sect))
++ goto fail;
++
++ if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE,
++ sect))
++ goto fail;
++ grub_memmove (sect + saved_offsets[1],
++ buf + saved_lengths[0],
++ sizeof (buf) - saved_lengths[0]);
++ if (! rawwrite (current_drive, saved_sectors[1], sect))
++ goto fail;
++ }
++ else
++ {
++ /* This is a simple case. It fits into a single sector. */
++ if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE,
++ sect))
++ goto fail;
++ grub_memmove (sect + saved_offsets[0], buf, sizeof (buf));
++ if (! rawwrite (current_drive, saved_sectors[0], sect))
++ goto fail;
++ }
++
++ /* Clear the cache. */
++ buf_track = -1;
++ }
++
++ fail:
++ saved_drive = tmp_drive;
++ saved_partition = tmp_partition;
++ return errnum;
++#else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */
++ errnum = ERR_UNRECOGNIZED;
++ return 1;
++#endif /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */
++}
++
++static struct builtin builtin_savedefault =
++{
++ "savedefault",
++ savedefault_func,
++ BUILTIN_CMDLINE,
++ "savedefault [NUM | `fallback']",
++ "Save the current entry as the default boot entry if no argument is"
++ " specified. If a number is specified, this number is saved. If"
++ " `fallback' is used, next fallback entry is saved."
++};
++
++
++#ifdef SUPPORT_SERIAL
++/* serial */
++static int
++serial_func (char *arg, int flags)
++{
++ unsigned short port = serial_hw_get_port (0);
++ unsigned int speed = 9600;
++ int word_len = UART_8BITS_WORD;
++ int parity = UART_NO_PARITY;
++ int stop_bit_len = UART_1_STOP_BIT;
++
++ /* Process GNU-style long options.
++ FIXME: We should implement a getopt-like function, to avoid
++ duplications. */
++ while (1)
++ {
++ if (grub_memcmp (arg, "--unit=", sizeof ("--unit=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--unit=") - 1;
++ int unit;
++
++ if (! safe_parse_maxint (&p, &unit))
++ return 1;
++
++ if (unit < 0 || unit > 3)
++ {
++ errnum = ERR_DEV_VALUES;
++ return 1;
++ }
++
++ port = serial_hw_get_port (unit);
++ }
++ else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--speed=") - 1;
++ int num;
++
++ if (! safe_parse_maxint (&p, &num))
++ return 1;
++
++ speed = (unsigned int) num;
++ }
++ else if (grub_memcmp (arg, "--port=", sizeof ("--port=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--port=") - 1;
++ int num;
++
++ if (! safe_parse_maxint (&p, &num))
++ return 1;
++
++ port = (unsigned short) num;
++ }
++ else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--word=") - 1;
++ int len;
++
++ if (! safe_parse_maxint (&p, &len))
++ return 1;
++
++ switch (len)
++ {
++ case 5: word_len = UART_5BITS_WORD; break;
++ case 6: word_len = UART_6BITS_WORD; break;
++ case 7: word_len = UART_7BITS_WORD; break;
++ case 8: word_len = UART_8BITS_WORD; break;
++ default:
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++ else if (grub_memcmp (arg, "--stop=", sizeof ("--stop=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--stop=") - 1;
++ int len;
++
++ if (! safe_parse_maxint (&p, &len))
++ return 1;
++
++ switch (len)
++ {
++ case 1: stop_bit_len = UART_1_STOP_BIT; break;
++ case 2: stop_bit_len = UART_2_STOP_BITS; break;
++ default:
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++ else if (grub_memcmp (arg, "--parity=", sizeof ("--parity=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--parity=") - 1;
++
++ if (grub_memcmp (p, "no", sizeof ("no") - 1) == 0)
++ parity = UART_NO_PARITY;
++ else if (grub_memcmp (p, "odd", sizeof ("odd") - 1) == 0)
++ parity = UART_ODD_PARITY;
++ else if (grub_memcmp (p, "even", sizeof ("even") - 1) == 0)
++ parity = UART_EVEN_PARITY;
++ else
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++# ifdef GRUB_UTIL
++ /* In the grub shell, don't use any port number but open a tty
++ device instead. */
++ else if (grub_memcmp (arg, "--device=", sizeof ("--device=") - 1) == 0)
++ {
++ char *p = arg + sizeof ("--device=") - 1;
++ char dev[256]; /* XXX */
++ char *q = dev;
++
++ while (*p && ! grub_isspace (*p))
++ *q++ = *p++;
++
++ *q = 0;
++ serial_set_device (dev);
++ }
++# endif /* GRUB_UTIL */
++ else
++ break;
++
++ arg = skip_to (0, arg);
++ }
++
++ /* Initialize the serial unit. */
++ if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_serial =
++{
++ "serial",
++ serial_func,
++ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]",
++ "Initialize a serial device. UNIT is a digit that specifies which serial"
++ " device is used (e.g. 0 == COM1). If you need to specify the port number,"
++ " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
++ " PARITY is the type of parity, which is one of `no', `odd' and `even'."
++ " STOP is the length of stop bit(s). The option --device can be used only"
++ " in the grub shell, which specifies the file name of a tty device. The"
++ " default values are COM1, 9600, 8N1."
++};
++#endif /* SUPPORT_SERIAL */
++
++
++/* setkey */
++struct keysym
++{
++ char *unshifted_name; /* the name in unshifted state */
++ char *shifted_name; /* the name in shifted state */
++ unsigned char unshifted_ascii; /* the ascii code in unshifted state */
++ unsigned char shifted_ascii; /* the ascii code in shifted state */
++ unsigned char keycode; /* keyboard scancode */
++};
++
++/* The table for key symbols. If the "shifted" member of an entry is
++ NULL, the entry does not have shifted state. */
++static struct keysym keysym_table[] =
++{
++ {"escape", 0, 0x1b, 0, 0x01},
++ {"1", "exclam", '1', '!', 0x02},
++ {"2", "at", '2', '@', 0x03},
++ {"3", "numbersign", '3', '#', 0x04},
++ {"4", "dollar", '4', '$', 0x05},
++ {"5", "percent", '5', '%', 0x06},
++ {"6", "caret", '6', '^', 0x07},
++ {"7", "ampersand", '7', '&', 0x08},
++ {"8", "asterisk", '8', '*', 0x09},
++ {"9", "parenleft", '9', '(', 0x0a},
++ {"0", "parenright", '0', ')', 0x0b},
++ {"minus", "underscore", '-', '_', 0x0c},
++ {"equal", "plus", '=', '+', 0x0d},
++ {"backspace", 0, '\b', 0, 0x0e},
++ {"tab", 0, '\t', 0, 0x0f},
++ {"q", "Q", 'q', 'Q', 0x10},
++ {"w", "W", 'w', 'W', 0x11},
++ {"e", "E", 'e', 'E', 0x12},
++ {"r", "R", 'r', 'R', 0x13},
++ {"t", "T", 't', 'T', 0x14},
++ {"y", "Y", 'y', 'Y', 0x15},
++ {"u", "U", 'u', 'U', 0x16},
++ {"i", "I", 'i', 'I', 0x17},
++ {"o", "O", 'o', 'O', 0x18},
++ {"p", "P", 'p', 'P', 0x19},
++ {"bracketleft", "braceleft", '[', '{', 0x1a},
++ {"bracketright", "braceright", ']', '}', 0x1b},
++ {"enter", 0, '\n', 0, 0x1c},
++ {"control", 0, 0, 0, 0x1d},
++ {"a", "A", 'a', 'A', 0x1e},
++ {"s", "S", 's', 'S', 0x1f},
++ {"d", "D", 'd', 'D', 0x20},
++ {"f", "F", 'f', 'F', 0x21},
++ {"g", "G", 'g', 'G', 0x22},
++ {"h", "H", 'h', 'H', 0x23},
++ {"j", "J", 'j', 'J', 0x24},
++ {"k", "K", 'k', 'K', 0x25},
++ {"l", "L", 'l', 'L', 0x26},
++ {"semicolon", "colon", ';', ':', 0x27},
++ {"quote", "doublequote", '\'', '"', 0x28},
++ {"backquote", "tilde", '`', '~', 0x29},
++ {"shift", 0, 0, 0, 0x2a},
++ {"backslash", "bar", '\\', '|', 0x2b},
++ {"z", "Z", 'z', 'Z', 0x2c},
++ {"x", "X", 'x', 'X', 0x2d},
++ {"c", "C", 'c', 'C', 0x2e},
++ {"v", "V", 'v', 'V', 0x2f},
++ {"b", "B", 'b', 'B', 0x30},
++ {"n", "N", 'n', 'N', 0x31},
++ {"m", "M", 'm', 'M', 0x32},
++ {"comma", "less", ',', '<', 0x33},
++ {"period", "greater", '.', '>', 0x34},
++ {"slash", "question", '/', '?', 0x35},
++ {"alt", 0, 0, 0, 0x38},
++ {"space", 0, ' ', 0, 0x39},
++ {"capslock", 0, 0, 0, 0x3a},
++ {"F1", 0, 0, 0, 0x3b},
++ {"F2", 0, 0, 0, 0x3c},
++ {"F3", 0, 0, 0, 0x3d},
++ {"F4", 0, 0, 0, 0x3e},
++ {"F5", 0, 0, 0, 0x3f},
++ {"F6", 0, 0, 0, 0x40},
++ {"F7", 0, 0, 0, 0x41},
++ {"F8", 0, 0, 0, 0x42},
++ {"F9", 0, 0, 0, 0x43},
++ {"F10", 0, 0, 0, 0x44},
++ /* Caution: do not add NumLock here! we cannot deal with it properly. */
++ {"delete", 0, 0x7f, 0, 0x53}
++};
++
++static int
++setkey_func (char *arg, int flags)
++{
++ char *to_key, *from_key;
++ int to_code, from_code;
++ int map_in_interrupt = 0;
++
++ auto int find_key_code (char *key);
++ auto int find_ascii_code (char *key);
++
++ auto int find_key_code (char *key)
++ {
++ int i;
++
++ for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
++ {
++ if (keysym_table[i].unshifted_name &&
++ grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
++ return keysym_table[i].keycode;
++ else if (keysym_table[i].shifted_name &&
++ grub_strcmp (key, keysym_table[i].shifted_name) == 0)
++ return keysym_table[i].keycode;
++ }
++
++ return 0;
++ }
++
++ auto int find_ascii_code (char *key)
++ {
++ int i;
++
++ for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
++ {
++ if (keysym_table[i].unshifted_name &&
++ grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
++ return keysym_table[i].unshifted_ascii;
++ else if (keysym_table[i].shifted_name &&
++ grub_strcmp (key, keysym_table[i].shifted_name) == 0)
++ return keysym_table[i].shifted_ascii;
++ }
++
++ return 0;
++ }
++
++ to_key = arg;
++ from_key = skip_to (0, to_key);
++
++ if (! *to_key)
++ {
++ /* If the user specifies no argument, reset the key mappings. */
++ grub_memset (bios_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short));
++ grub_memset (ascii_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short));
++
++ return 0;
++ }
++ else if (! *from_key)
++ {
++ /* The user must specify two arguments or zero argument. */
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ nul_terminate (to_key);
++ nul_terminate (from_key);
++
++ to_code = find_ascii_code (to_key);
++ from_code = find_ascii_code (from_key);
++ if (! to_code || ! from_code)
++ {
++ map_in_interrupt = 1;
++ to_code = find_key_code (to_key);
++ from_code = find_key_code (from_key);
++ if (! to_code || ! from_code)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++
++ if (map_in_interrupt)
++ {
++ int i;
++
++ /* Find an empty slot. */
++ for (i = 0; i < KEY_MAP_SIZE; i++)
++ {
++ if ((bios_key_map[i] & 0xff) == from_code)
++ /* Perhaps the user wants to overwrite the map. */
++ break;
++
++ if (! bios_key_map[i])
++ break;
++ }
++
++ if (i == KEY_MAP_SIZE)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++
++ if (to_code == from_code)
++ /* If TO is equal to FROM, delete the entry. */
++ grub_memmove ((char *) &bios_key_map[i],
++ (char *) &bios_key_map[i + 1],
++ sizeof (unsigned short) * (KEY_MAP_SIZE - i));
++ else
++ bios_key_map[i] = (to_code << 8) | from_code;
++
++ /* Ugly but should work. */
++ unset_int15_handler ();
++ set_int15_handler ();
++ }
++ else
++ {
++ int i;
++
++ /* Find an empty slot. */
++ for (i = 0; i < KEY_MAP_SIZE; i++)
++ {
++ if ((ascii_key_map[i] & 0xff) == from_code)
++ /* Perhaps the user wants to overwrite the map. */
++ break;
++
++ if (! ascii_key_map[i])
++ break;
++ }
++
++ if (i == KEY_MAP_SIZE)
++ {
++ errnum = ERR_WONT_FIT;
++ return 1;
++ }
++
++ if (to_code == from_code)
++ /* If TO is equal to FROM, delete the entry. */
++ grub_memmove ((char *) &ascii_key_map[i],
++ (char *) &ascii_key_map[i + 1],
++ sizeof (unsigned short) * (KEY_MAP_SIZE - i));
++ else
++ ascii_key_map[i] = (to_code << 8) | from_code;
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_setkey =
++{
++ "setkey",
++ setkey_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "setkey [TO_KEY FROM_KEY]",
++ "Change the keyboard map. The key FROM_KEY is mapped to the key TO_KEY."
++ " A key must be an alphabet, a digit, or one of these: escape, exclam,"
++ " at, numbersign, dollar, percent, caret, ampersand, asterisk, parenleft,"
++ " parenright, minus, underscore, equal, plus, backspace, tab, bracketleft,"
++ " braceleft, bracketright, braceright, enter, control, semicolon, colon,"
++ " quote, doublequote, backquote, tilde, shift, backslash, bar, comma,"
++ " less, period, greater, slash, question, alt, space, capslock, FX (X"
++ " is a digit), and delete. If no argument is specified, reset key"
++ " mappings."
++};
++
++
++/* setup */
++static int
++setup_func (char *arg, int flags)
++{
++ /* Point to the string of the installed drive/partition. */
++ char *install_ptr;
++ /* Point to the string of the drive/parition where the GRUB images
++ reside. */
++ char *image_ptr;
++ unsigned long installed_drive, installed_partition;
++ unsigned long image_drive, image_partition;
++ unsigned long tmp_drive, tmp_partition;
++ char stage1[64];
++ char stage2[64];
++ char config_filename[64];
++ char real_config_filename[64];
++ char cmd_arg[256];
++ char device[16];
++ char *buffer = (char *) RAW_ADDR (0x100000);
++ int is_force_lba = 0;
++ char *stage2_arg = 0;
++ char *prefix = 0;
++
++ auto int check_file (char *file);
++ auto void sprint_device (int drive, int partition);
++ auto int embed_stage1_5 (char * stage1_5, int drive, int partition);
++
++ /* Check if the file FILE exists like Autoconf. */
++ int check_file (char *file)
++ {
++ int ret;
++
++ grub_printf (" Checking if \"%s\" exists... ", file);
++ ret = grub_open (file);
++ if (ret)
++ {
++ grub_close ();
++ grub_printf ("yes\n");
++ }
++ else
++ grub_printf ("no\n");
++
++ return ret;
++ }
++
++ /* Construct a device name in DEVICE. */
++ void sprint_device (int drive, int partition)
++ {
++ grub_sprintf (device, "(%cd%d",
++ (drive & 0x80) ? 'h' : 'f',
++ drive & ~0x80);
++ if ((partition & 0xFF0000) != 0xFF0000)
++ {
++ char tmp[16];
++ grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF);
++ grub_strncat (device, tmp, 256);
++ }
++ if ((partition & 0x00FF00) != 0x00FF00)
++ {
++ char tmp[16];
++ grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF));
++ grub_strncat (device, tmp, 256);
++ }
++ grub_strncat (device, ")", 256);
++ }
++
++ int embed_stage1_5 (char *stage1_5, int drive, int partition)
++ {
++ /* We install GRUB into the MBR, so try to embed the
++ Stage 1.5 in the sectors right after the MBR. */
++ sprint_device (drive, partition);
++ grub_sprintf (cmd_arg, "%s %s", stage1_5, device);
++
++ /* Notify what will be run. */
++ grub_printf (" Running \"embed %s\"... ", cmd_arg);
++
++ embed_func (cmd_arg, flags);
++ if (! errnum)
++ {
++ /* Construct the blocklist representation. */
++ grub_sprintf (buffer, "%s%s", device, embed_info);
++ grub_printf ("succeeded\n");
++ return 1;
++ }
++ else
++ {
++ grub_printf ("failed (this is not fatal)\n");
++ return 0;
++ }
++ }
++
++ struct stage1_5_map {
++ char *fsys;
++ char *name;
++ };
++ struct stage1_5_map stage1_5_map[] =
++ {
++ {"ext2fs", "/e2fs_stage1_5"},
++ {"fat", "/fat_stage1_5"},
++ {"ufs2", "/ufs2_stage1_5"},
++ {"ffs", "/ffs_stage1_5"},
++ {"iso9660", "/iso9660_stage1_5"},
++ {"jfs", "/jfs_stage1_5"},
++ {"minix", "/minix_stage1_5"},
++ {"reiserfs", "/reiserfs_stage1_5"},
++ {"vstafs", "/vstafs_stage1_5"},
++ {"xfs", "/xfs_stage1_5"}
++ };
++
++ tmp_drive = saved_drive;
++ tmp_partition = saved_partition;
++
++ /* Check if the user specifies --force-lba. */
++ while (1)
++ {
++ if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0)
++ {
++ is_force_lba = 1;
++ arg = skip_to (0, arg);
++ }
++ else if (grub_memcmp ("--prefix=", arg, sizeof ("--prefix=") - 1) == 0)
++ {
++ prefix = arg + sizeof ("--prefix=") - 1;
++ arg = skip_to (0, arg);
++ nul_terminate (prefix);
++ }
++#ifdef GRUB_UTIL
++ else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0)
++ {
++ stage2_arg = arg;
++ arg = skip_to (0, arg);
++ nul_terminate (stage2_arg);
++ }
++#endif /* GRUB_UTIL */
++ else
++ break;
++ }
++
++ install_ptr = arg;
++ image_ptr = skip_to (0, install_ptr);
++
++ /* Make sure that INSTALL_PTR is valid. */
++ set_device (install_ptr);
++ if (errnum)
++ return 1;
++
++ installed_drive = current_drive;
++ installed_partition = current_partition;
++
++ /* Mount the drive pointed by IMAGE_PTR. */
++ if (*image_ptr)
++ {
++ /* If the drive/partition where the images reside is specified,
++ get the drive and the partition. */
++ set_device (image_ptr);
++ if (errnum)
++ return 1;
++ }
++ else
++ {
++ /* If omitted, use SAVED_PARTITION and SAVED_DRIVE. */
++ current_drive = saved_drive;
++ current_partition = saved_partition;
++ }
++
++ image_drive = saved_drive = current_drive;
++ image_partition = saved_partition = current_partition;
++
++ /* Open it. */
++ if (! open_device ())
++ goto fail;
++
++ /* Check if stage1 exists. If the user doesn't specify the option
++ `--prefix', attempt /boot/grub and /grub. */
++ /* NOTE: It is dangerous to run this command without `--prefix' in the
++ grub shell, since that affects `--stage2'. */
++ if (! prefix)
++ {
++ prefix = "/boot/grub";
++ grub_sprintf (stage1, "%s%s", prefix, "/stage1");
++ if (! check_file (stage1))
++ {
++ errnum = ERR_NONE;
++ prefix = "/grub";
++ grub_sprintf (stage1, "%s%s", prefix, "/stage1");
++ if (! check_file (stage1))
++ goto fail;
++ }
++ }
++ else
++ {
++ grub_sprintf (stage1, "%s%s", prefix, "/stage1");
++ if (! check_file (stage1))
++ goto fail;
++ }
++
++ /* The prefix was determined. */
++ grub_sprintf (stage2, "%s%s", prefix, "/stage2");
++ grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst");
++ *real_config_filename = 0;
++
++ /* Check if stage2 exists. */
++ if (! check_file (stage2))
++ goto fail;
++
++ {
++ char *fsys = fsys_table[fsys_type].name;
++ int i;
++ int size = sizeof (stage1_5_map) / sizeof (stage1_5_map[0]);
++
++ /* Iterate finding the same filesystem name as FSYS. */
++ for (i = 0; i < size; i++)
++ if (grub_strcmp (fsys, stage1_5_map[i].fsys) == 0)
++ {
++ /* OK, check if the Stage 1.5 exists. */
++ char stage1_5[64];
++
++ grub_sprintf (stage1_5, "%s%s", prefix, stage1_5_map[i].name);
++ if (check_file (stage1_5))
++ {
++ if (embed_stage1_5 (stage1_5,
++ installed_drive, installed_partition)
++ || embed_stage1_5 (stage1_5,
++ image_drive, image_partition))
++ {
++ grub_strcpy (real_config_filename, config_filename);
++ sprint_device (image_drive, image_partition);
++ grub_sprintf (config_filename, "%s%s", device, stage2);
++ grub_strcpy (stage2, buffer);
++ }
++ }
++ errnum = 0;
++ break;
++ }
++ }
++
++ /* Construct a string that is used by the command "install" as its
++ arguments. */
++ sprint_device (installed_drive, installed_partition);
++
++#if 1
++ /* Don't embed a drive number unnecessarily. */
++ grub_sprintf (cmd_arg, "%s%s%s%s %s%s %s p %s %s",
++ is_force_lba? "--force-lba " : "",
++ stage2_arg? stage2_arg : "",
++ stage2_arg? " " : "",
++ stage1,
++ (installed_drive != image_drive) ? "d " : "",
++ device,
++ stage2,
++ config_filename,
++ real_config_filename);
++#else /* NOT USED */
++ /* This code was used, because we belived some BIOSes had a problem
++ that they didn't pass a booting drive correctly. It turned out,
++ however, stage1 could trash a booting drive when checking LBA support,
++ because some BIOSes modified the register %dx in INT 13H, AH=48H.
++ So it becamed unclear whether GRUB should use a pre-defined booting
++ drive or not. If the problem still exists, it would be necessary to
++ switch back to this code. */
++ grub_sprintf (cmd_arg, "%s%s%s%s d %s %s p %s %s",
++ is_force_lba? "--force-lba " : "",
++ stage2_arg? stage2_arg : "",
++ stage2_arg? " " : "",
++ stage1,
++ device,
++ stage2,
++ config_filename,
++ real_config_filename);
++#endif /* NOT USED */
++
++ /* Notify what will be run. */
++ grub_printf (" Running \"install %s\"... ", cmd_arg);
++
++ /* Make sure that SAVED_DRIVE and SAVED_PARTITION are identical
++ with IMAGE_DRIVE and IMAGE_PARTITION, respectively. */
++ saved_drive = image_drive;
++ saved_partition = image_partition;
++
++ /* Run the command. */
++ if (! install_func (cmd_arg, flags))
++ grub_printf ("succeeded\nDone.\n");
++ else
++ grub_printf ("failed\n");
++
++ fail:
++ saved_drive = tmp_drive;
++ saved_partition = tmp_partition;
++ return errnum;
++}
++
++static struct builtin builtin_setup =
++{
++ "setup",
++ setup_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "setup [--prefix=DIR] [--stage2=STAGE2_FILE] [--force-lba] INSTALL_DEVICE [IMAGE_DEVICE]",
++ "Set up the installation of GRUB automatically. This command uses"
++ " the more flexible command \"install\" in the backend and installs"
++ " GRUB into the device INSTALL_DEVICE. If IMAGE_DEVICE is specified,"
++ " then find the GRUB images in the device IMAGE_DEVICE, otherwise"
++ " use the current \"root device\", which can be set by the command"
++ " \"root\". If you know that your BIOS should support LBA but GRUB"
++ " doesn't work in LBA mode, specify the option `--force-lba'."
++ " If you install GRUB under the grub shell and you cannot unmount the"
++ " partition where GRUB images reside, specify the option `--stage2'"
++ " to tell GRUB the file name under your OS."
++};
++
++
++#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
++/* terminal */
++static int
++terminal_func (char *arg, int flags)
++{
++ /* The index of the default terminal in TERM_TABLE. */
++ int default_term = -1;
++ struct term_entry *prev_term = current_term;
++ int to = -1;
++ int lines = 0;
++ int no_message = 0;
++ unsigned long term_flags = 0;
++ /* XXX: Assume less than 32 terminals. */
++ unsigned long term_bitmap = 0;
++
++ /* Get GNU-style long options. */
++ while (1)
++ {
++ if (grub_memcmp (arg, "--dumb", sizeof ("--dumb") - 1) == 0)
++ term_flags |= TERM_DUMB;
++ else if (grub_memcmp (arg, "--no-echo", sizeof ("--no-echo") - 1) == 0)
++ /* ``--no-echo'' implies ``--no-edit''. */
++ term_flags |= (TERM_NO_ECHO | TERM_NO_EDIT);
++ else if (grub_memcmp (arg, "--no-edit", sizeof ("--no-edit") - 1) == 0)
++ term_flags |= TERM_NO_EDIT;
++ else if (grub_memcmp (arg, "--timeout=", sizeof ("--timeout=") - 1) == 0)
++ {
++ char *val = arg + sizeof ("--timeout=") - 1;
++
++ if (! safe_parse_maxint (&val, &to))
++ return 1;
++ }
++ else if (grub_memcmp (arg, "--lines=", sizeof ("--lines=") - 1) == 0)
++ {
++ char *val = arg + sizeof ("--lines=") - 1;
++
++ if (! safe_parse_maxint (&val, &lines))
++ return 1;
++
++ /* Probably less than four is meaningless.... */
++ if (lines < 4)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++ }
++ else if (grub_memcmp (arg, "--silent", sizeof ("--silent") - 1) == 0)
++ no_message = 1;
++ else
++ break;
++
++ arg = skip_to (0, arg);
++ }
++
++ /* If no argument is specified, show current setting. */
++ if (! *arg)
++ {
++ grub_printf ("%s%s%s%s\n",
++ current_term->name,
++ current_term->flags & TERM_DUMB ? " (dumb)" : "",
++ current_term->flags & TERM_NO_EDIT ? " (no edit)" : "",
++ current_term->flags & TERM_NO_ECHO ? " (no echo)" : "");
++ return 0;
++ }
++
++ while (*arg)
++ {
++ int i;
++ char *next = skip_to (0, arg);
++
++ nul_terminate (arg);
++
++ for (i = 0; term_table[i].name; i++)
++ {
++ if (grub_strcmp (arg, term_table[i].name) == 0)
++ {
++ if (term_table[i].flags & TERM_NEED_INIT)
++ {
++ errnum = ERR_DEV_NEED_INIT;
++ return 1;
++ }
++
++ if (default_term < 0)
++ default_term = i;
++
++ term_bitmap |= (1 << i);
++ break;
++ }
++ }
++
++ if (! term_table[i].name)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ arg = next;
++ }
++
++ /* If multiple terminals are specified, wait until the user pushes any
++ key on one of the terminals. */
++ if (term_bitmap & ~(1 << default_term))
++ {
++ int time1, time2 = -1;
++
++ /* XXX: Disable the pager. */
++ count_lines = -1;
++
++ /* Get current time. */
++ while ((time1 = getrtsecs ()) == 0xFF)
++ ;
++
++ /* Wait for a key input. */
++ while (to)
++ {
++ int i;
++
++ for (i = 0; term_table[i].name; i++)
++ {
++ if (term_bitmap & (1 << i))
++ {
++ if (term_table[i].checkkey () >= 0)
++ {
++ (void) term_table[i].getkey ();
++ default_term = i;
++
++ goto end;
++ }
++ }
++ }
++
++ /* Prompt the user, once per sec. */
++ if ((time1 = getrtsecs ()) != time2 && time1 != 0xFF)
++ {
++ if (! no_message)
++ {
++ /* Need to set CURRENT_TERM to each of selected
++ terminals. */
++ for (i = 0; term_table[i].name; i++)
++ if (term_bitmap & (1 << i))
++ {
++ current_term = term_table + i;
++ grub_printf ("\rPress any key to continue.\n");
++ }
++
++ /* Restore CURRENT_TERM. */
++ current_term = prev_term;
++ }
++
++ time2 = time1;
++ if (to > 0)
++ to--;
++ }
++ }
++ }
++
++ end:
++ current_term = term_table + default_term;
++ current_term->flags = term_flags;
++
++ if (lines)
++ max_lines = lines;
++ else
++ /* 24 would be a good default value. */
++ max_lines = 24;
++
++ /* If the interface is currently the command-line,
++ restart it to repaint the screen. */
++ if (current_term != prev_term && (flags & BUILTIN_CMDLINE))
++ grub_longjmp (restart_cmdline_env, 0);
++
++ return 0;
++}
++
++static struct builtin builtin_terminal =
++{
++ "terminal",
++ terminal_func,
++ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules]",
++ "Select a terminal. When multiple terminals are specified, wait until"
++ " you push any key to continue. If both console and serial are specified,"
++ " the terminal to which you input a key first will be selected. If no"
++ " argument is specified, print current setting. The option --dumb"
++ " specifies that your terminal is dumb, otherwise, vt100-compatibility"
++ " is assumed. If you specify --no-echo, input characters won't be echoed."
++ " If you specify --no-edit, the BASH-like editing feature will be disabled."
++ " If --timeout is present, this command will wait at most for SECS"
++ " seconds. The option --lines specifies the maximum number of lines."
++ " The option --silent is used to suppress messages."
++};
++#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
++
++
++#ifdef SUPPORT_SERIAL
++static int
++terminfo_func (char *arg, int flags)
++{
++ struct terminfo term;
++
++ if (*arg)
++ {
++ struct
++ {
++ const char *name;
++ char *var;
++ }
++ options[] =
++ {
++ {"--name=", term.name},
++ {"--cursor-address=", term.cursor_address},
++ {"--clear-screen=", term.clear_screen},
++ {"--enter-standout-mode=", term.enter_standout_mode},
++ {"--exit-standout-mode=", term.exit_standout_mode}
++ };
++
++ grub_memset (&term, 0, sizeof (term));
++
++ while (*arg)
++ {
++ int i;
++ char *next = skip_to (0, arg);
++
++ nul_terminate (arg);
++
++ for (i = 0; i < sizeof (options) / sizeof (options[0]); i++)
++ {
++ const char *name = options[i].name;
++ int len = grub_strlen (name);
++
++ if (! grub_memcmp (arg, name, len))
++ {
++ grub_strcpy (options[i].var, ti_unescape_string (arg + len));
++ break;
++ }
++ }
++
++ if (i == sizeof (options) / sizeof (options[0]))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return errnum;
++ }
++
++ arg = next;
++ }
++
++ if (term.name[0] == 0 || term.cursor_address[0] == 0)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return errnum;
++ }
++
++ ti_set_term (&term);
++ }
++ else
++ {
++ /* No option specifies printing out current settings. */
++ ti_get_term (&term);
++
++ grub_printf ("name=%s\n",
++ ti_escape_string (term.name));
++ grub_printf ("cursor_address=%s\n",
++ ti_escape_string (term.cursor_address));
++ grub_printf ("clear_screen=%s\n",
++ ti_escape_string (term.clear_screen));
++ grub_printf ("enter_standout_mode=%s\n",
++ ti_escape_string (term.enter_standout_mode));
++ grub_printf ("exit_standout_mode=%s\n",
++ ti_escape_string (term.exit_standout_mode));
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_terminfo =
++{
++ "terminfo",
++ terminfo_func,
++ BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "terminfo [--name=NAME --cursor-address=SEQ [--clear-screen=SEQ]"
++ " [--enter-standout-mode=SEQ] [--exit-standout-mode=SEQ]]",
++
++ "Define the capabilities of your terminal. Use this command to"
++ " define escape sequences, if it is not vt100-compatible."
++ " You may use \\e for ESC and ^X for a control character."
++ " If no option is specified, the current settings are printed."
++};
++#endif /* SUPPORT_SERIAL */
++
++
++/* testload */
++static int
++testload_func (char *arg, int flags)
++{
++ int i;
++
++ kernel_type = KERNEL_TYPE_NONE;
++
++ if (! grub_open (arg))
++ return 1;
++
++ disk_read_hook = disk_read_print_func;
++
++ /* Perform filesystem test on the specified file. */
++ /* Read whole file first. */
++ grub_printf ("Whole file: ");
++
++ grub_read ((char *) RAW_ADDR (0x100000), -1);
++
++ /* Now compare two sections of the file read differently. */
++
++ for (i = 0; i < 0x10ac0; i++)
++ {
++ *((unsigned char *) RAW_ADDR (0x200000 + i)) = 0;
++ *((unsigned char *) RAW_ADDR (0x300000 + i)) = 1;
++ }
++
++ /* First partial read. */
++ grub_printf ("\nPartial read 1: ");
++
++ grub_seek (0);
++ grub_read ((char *) RAW_ADDR (0x200000), 0x7);
++ grub_read ((char *) RAW_ADDR (0x200007), 0x100);
++ grub_read ((char *) RAW_ADDR (0x200107), 0x10);
++ grub_read ((char *) RAW_ADDR (0x200117), 0x999);
++ grub_read ((char *) RAW_ADDR (0x200ab0), 0x10);
++ grub_read ((char *) RAW_ADDR (0x200ac0), 0x10000);
++
++ /* Second partial read. */
++ grub_printf ("\nPartial read 2: ");
++
++ grub_seek (0);
++ grub_read ((char *) RAW_ADDR (0x300000), 0x10000);
++ grub_read ((char *) RAW_ADDR (0x310000), 0x10);
++ grub_read ((char *) RAW_ADDR (0x310010), 0x7);
++ grub_read ((char *) RAW_ADDR (0x310017), 0x10);
++ grub_read ((char *) RAW_ADDR (0x310027), 0x999);
++ grub_read ((char *) RAW_ADDR (0x3109c0), 0x100);
++
++ grub_printf ("\nHeader1 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n",
++ *((int *) RAW_ADDR (0x200000)),
++ *((int *) RAW_ADDR (0x200004)),
++ *((int *) RAW_ADDR (0x200008)),
++ *((int *) RAW_ADDR (0x20000c)));
++
++ grub_printf ("Header2 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n",
++ *((int *) RAW_ADDR (0x300000)),
++ *((int *) RAW_ADDR (0x300004)),
++ *((int *) RAW_ADDR (0x300008)),
++ *((int *) RAW_ADDR (0x30000c)));
++
++ for (i = 0; i < 0x10ac0; i++)
++ if (*((unsigned char *) RAW_ADDR (0x200000 + i))
++ != *((unsigned char *) RAW_ADDR (0x300000 + i)))
++ break;
++
++ grub_printf ("Max is 0x10ac0: i=0x%x, filepos=0x%x\n", i, filepos);
++ disk_read_hook = 0;
++ grub_close ();
++ return 0;
++}
++
++static struct builtin builtin_testload =
++{
++ "testload",
++ testload_func,
++ BUILTIN_CMDLINE,
++ "testload FILE",
++ "Read the entire contents of FILE in several different ways and"
++ " compares them, to test the filesystem code. The output is somewhat"
++ " cryptic, but if no errors are reported and the final `i=X,"
++ " filepos=Y' reading has X and Y equal, then it is definitely"
++ " consistent, and very likely works correctly subject to a"
++ " consistent offset error. If this test succeeds, then a good next"
++ " step is to try loading a kernel."
++};
++
++
++/* testvbe MODE */
++static int
++testvbe_func (char *arg, int flags)
++{
++ int mode_number;
++ struct vbe_controller controller;
++ struct vbe_mode mode;
++
++ if (! *arg)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ if (! safe_parse_maxint (&arg, &mode_number))
++ return 1;
++
++ /* Preset `VBE2'. */
++ grub_memmove (controller.signature, "VBE2", 4);
++
++ /* Detect VBE BIOS. */
++ if (get_vbe_controller_info (&controller) != 0x004F)
++ {
++ grub_printf (" VBE BIOS is not present.\n");
++ return 0;
++ }
++
++ if (controller.version < 0x0200)
++ {
++ grub_printf (" VBE version %d.%d is not supported.\n",
++ (int) (controller.version >> 8),
++ (int) (controller.version & 0xFF));
++ return 0;
++ }
++
++ if (get_vbe_mode_info (mode_number, &mode) != 0x004F
++ || (mode.mode_attributes & 0x0091) != 0x0091)
++ {
++ grub_printf (" Mode 0x%x is not supported.\n", mode_number);
++ return 0;
++ }
++
++ /* Now trip to the graphics mode. */
++ if (set_vbe_mode (mode_number | (1 << 14)) != 0x004F)
++ {
++ grub_printf (" Switching to Mode 0x%x failed.\n", mode_number);
++ return 0;
++ }
++
++ /* Draw something on the screen... */
++ {
++ unsigned char *base_buf = (unsigned char *) mode.phys_base;
++ int scanline = controller.version >= 0x0300
++ ? mode.linear_bytes_per_scanline : mode.bytes_per_scanline;
++ /* FIXME: this assumes that any depth is a modulo of 8. */
++ int bpp = mode.bits_per_pixel / 8;
++ int width = mode.x_resolution;
++ int height = mode.y_resolution;
++ int x, y;
++ unsigned color = 0;
++
++ /* Iterate drawing on the screen, until the user hits any key. */
++ while (checkkey () == -1)
++ {
++ for (y = 0; y < height; y++)
++ {
++ unsigned char *line_buf = base_buf + scanline * y;
++
++ for (x = 0; x < width; x++)
++ {
++ unsigned char *buf = line_buf + bpp * x;
++ int i;
++
++ for (i = 0; i < bpp; i++, buf++)
++ *buf = (color >> (i * 8)) & 0xff;
++ }
++
++ color++;
++ }
++ }
++
++ /* Discard the input. */
++ getkey ();
++ }
++
++ /* Back to the default text mode. */
++ if (set_vbe_mode (0x03) != 0x004F)
++ {
++ /* Why?! */
++ grub_reboot ();
++ }
++
++ return 0;
++}
++
++static struct builtin builtin_testvbe =
++{
++ "testvbe",
++ testvbe_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "testvbe MODE",
++ "Test the VBE mode MODE. Hit any key to return."
++};
++
++
++#ifdef SUPPORT_NETBOOT
++/* tftpserver */
++static int
++tftpserver_func (char *arg, int flags)
++{
++ if (! *arg || ! ifconfig (0, 0, 0, arg))
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
++ print_network_configuration ();
++ return 0;
++}
++
++static struct builtin builtin_tftpserver =
++{
++ "tftpserver",
++ tftpserver_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "tftpserver IPADDR",
++ "Override the TFTP server address."
++};
++#endif /* SUPPORT_NETBOOT */
++
++
++/* timeout */
++static int
++timeout_func (char *arg, int flags)
++{
++ if (! safe_parse_maxint (&arg, &grub_timeout))
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_timeout =
++{
++ "timeout",
++ timeout_func,
++ BUILTIN_MENU,
++#if 0
++ "timeout SEC",
++ "Set a timeout, in SEC seconds, before automatically booting the"
++ " default entry (normally the first entry defined)."
++#endif
++};
++
++
++/* title */
++static int
++title_func (char *arg, int flags)
++{
++ /* This function is not actually used at least currently. */
++ return 0;
++}
++
++static struct builtin builtin_title =
++{
++ "title",
++ title_func,
++ BUILTIN_TITLE,
++#if 0
++ "title [NAME ...]",
++ "Start a new boot entry, and set its name to the contents of the"
++ " rest of the line, starting with the first non-space character."
++#endif
++};
++
++
++/* unhide */
++static int
++unhide_func (char *arg, int flags)
++{
++ if (! set_device (arg))
++ return 1;
++
++ if (! set_partition_hidden_flag (0))
++ return 1;
++
++ return 0;
++}
++
++static struct builtin builtin_unhide =
++{
++ "unhide",
++ unhide_func,
++ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "unhide PARTITION",
++ "Unhide PARTITION by clearing the \"hidden\" bit in its"
++ " partition type code."
++};
++
++
++/* uppermem */
++static int
++uppermem_func (char *arg, int flags)
++{
++ if (! safe_parse_maxint (&arg, (int *) &mbi.mem_upper))
++ return 1;
++
++ mbi.flags &= ~MB_INFO_MEM_MAP;
++ return 0;
++}
++
++static struct builtin builtin_uppermem =
++{
++ "uppermem",
++ uppermem_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "uppermem KBYTES",
++ "Force GRUB to assume that only KBYTES kilobytes of upper memory are"
++ " installed. Any system address range maps are discarded."
++};
++
++
++/* vbeprobe */
++static int
++vbeprobe_func (char *arg, int flags)
++{
++ struct vbe_controller controller;
++ unsigned short *mode_list;
++ int mode_number = -1;
++
++ auto unsigned long vbe_far_ptr_to_linear (unsigned long);
++
++ unsigned long vbe_far_ptr_to_linear (unsigned long ptr)
++ {
++ unsigned short seg = (ptr >> 16);
++ unsigned short off = (ptr & 0xFFFF);
++
++ return (seg << 4) + off;
++ }
++
++ if (*arg)
++ {
++ if (! safe_parse_maxint (&arg, &mode_number))
++ return 1;
++ }
++
++ /* Set the signature to `VBE2', to obtain VBE 3.0 information. */
++ grub_memmove (controller.signature, "VBE2", 4);
++
++ if (get_vbe_controller_info (&controller) != 0x004F)
++ {
++ grub_printf (" VBE BIOS is not present.\n");
++ return 0;
++ }
++
++ /* Check the version. */
++ if (controller.version < 0x0200)
++ {
++ grub_printf (" VBE version %d.%d is not supported.\n",
++ (int) (controller.version >> 8),
++ (int) (controller.version & 0xFF));
++ return 0;
++ }
++
++ /* Print some information. */
++ grub_printf (" VBE version %d.%d\n",
++ (int) (controller.version >> 8),
++ (int) (controller.version & 0xFF));
++
++ /* Iterate probing modes. */
++ for (mode_list
++ = (unsigned short *) vbe_far_ptr_to_linear (controller.video_mode);
++ *mode_list != 0xFFFF;
++ mode_list++)
++ {
++ struct vbe_mode mode;
++
++ if (get_vbe_mode_info (*mode_list, &mode) != 0x004F)
++ continue;
++
++ /* Skip this, if this is not supported or linear frame buffer
++ mode is not support. */
++ if ((mode.mode_attributes & 0x0081) != 0x0081)
++ continue;
++
++ if (mode_number == -1 || mode_number == *mode_list)
++ {
++ char *model;
++ switch (mode.memory_model)
++ {
++ case 0x00: model = "Text"; break;
++ case 0x01: model = "CGA graphics"; break;
++ case 0x02: model = "Hercules graphics"; break;
++ case 0x03: model = "Planar"; break;
++ case 0x04: model = "Packed pixel"; break;
++ case 0x05: model = "Non-chain 4, 256 color"; break;
++ case 0x06: model = "Direct Color"; break;
++ case 0x07: model = "YUV"; break;
++ default: model = "Unknown"; break;
++ }
++
++ grub_printf (" 0x%x: %s, %ux%ux%u\n",
++ (unsigned) *mode_list,
++ model,
++ (unsigned) mode.x_resolution,
++ (unsigned) mode.y_resolution,
++ (unsigned) mode.bits_per_pixel);
++
++ if (mode_number != -1)
++ break;
++ }
++ }
++
++ if (mode_number != -1 && mode_number != *mode_list)
++ grub_printf (" Mode 0x%x is not found or supported.\n", mode_number);
++
++ return 0;
++}
++
++static struct builtin builtin_vbeprobe =
++{
++ "vbeprobe",
++ vbeprobe_func,
++ BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
++ "vbeprobe [MODE]",
++ "Probe VBE information. If the mode number MODE is specified, show only"
++ " the information about only the mode."
++};
++
++
++/* The table of builtin commands. Sorted in dictionary order. */
++struct builtin *builtin_table[] =
++{
++ &builtin_blocklist,
++ &builtin_boot,
++#ifdef SUPPORT_NETBOOT
++ &builtin_bootp,
++#endif /* SUPPORT_NETBOOT */
++ &builtin_cat,
++ &builtin_chainloader,
++ &builtin_cmp,
++ &builtin_color,
++ &builtin_configfile,
++ &builtin_debug,
++ &builtin_default,
++#ifdef GRUB_UTIL
++ &builtin_device,
++#endif /* GRUB_UTIL */
++#ifdef SUPPORT_NETBOOT
++ &builtin_dhcp,
++#endif /* SUPPORT_NETBOOT */
++ &builtin_displayapm,
++ &builtin_displaymem,
++#ifdef GRUB_UTIL
++ &builtin_dump,
++#endif /* GRUB_UTIL */
++ &builtin_embed,
++ &builtin_fallback,
++ &builtin_find,
++ &builtin_fstest,
++ &builtin_geometry,
++ &builtin_halt,
++ &builtin_help,
++ &builtin_hiddenmenu,
++ &builtin_hide,
++#ifdef SUPPORT_NETBOOT
++ &builtin_ifconfig,
++#endif /* SUPPORT_NETBOOT */
++ &builtin_impsprobe,
++ &builtin_initrd,
++ &builtin_install,
++ &builtin_ioprobe,
++ &builtin_kernel,
++ &builtin_lock,
++ &builtin_makeactive,
++ &builtin_map,
++#ifdef USE_MD5_PASSWORDS
++ &builtin_md5crypt,
++#endif /* USE_MD5_PASSWORDS */
++ &builtin_module,
++ &builtin_modulenounzip,
++ &builtin_pager,
++ &builtin_partnew,
++ &builtin_parttype,
++ &builtin_password,
++ &builtin_pause,
++#ifdef GRUB_UTIL
++ &builtin_quit,
++#endif /* GRUB_UTIL */
++#ifdef SUPPORT_NETBOOT
++ &builtin_rarp,
++#endif /* SUPPORT_NETBOOT */
++ &builtin_read,
++ &builtin_reboot,
++ &builtin_root,
++ &builtin_rootnoverify,
++ &builtin_savedefault,
++#ifdef SUPPORT_SERIAL
++ &builtin_serial,
++#endif /* SUPPORT_SERIAL */
++ &builtin_setkey,
++ &builtin_setup,
++#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES)
++ &builtin_terminal,
++#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */
++#ifdef SUPPORT_SERIAL
++ &builtin_terminfo,
++#endif /* SUPPORT_SERIAL */
++ &builtin_testload,
++ &builtin_testvbe,
++#ifdef SUPPORT_NETBOOT
++ &builtin_tftpserver,
++#endif /* SUPPORT_NETBOOT */
++ &builtin_timeout,
++ &builtin_title,
++ &builtin_unhide,
++ &builtin_uppermem,
++ &builtin_vbeprobe,
++ 0
++};
+diff -Nur grub-0.97/stage2/char_io.c grub-0.97-patched/stage2/char_io.c
+--- grub-0.97/stage2/char_io.c 2005-02-01 21:51:23.000000000 +0100
++++ grub-0.97-patched/stage2/char_io.c 2012-11-11 17:06:52.556085241 +0100
+@@ -35,6 +35,7 @@
+ {
+ "console",
+ 0,
++ 24,
+ console_putchar,
+ console_checkkey,
+ console_getkey,
+@@ -43,13 +44,16 @@
+ console_cls,
+ console_setcolorstate,
+ console_setcolor,
+- console_setcursor
++ console_setcursor,
++ 0,
++ 0
+ },
+ #ifdef SUPPORT_SERIAL
+ {
+ "serial",
+ /* A serial device must be initialized. */
+ TERM_NEED_INIT,
++ 24,
+ serial_putchar,
+ serial_checkkey,
+ serial_getkey,
+@@ -58,6 +62,8 @@
+ serial_cls,
+ serial_setcolorstate,
+ 0,
++ 0,
++ 0,
+ 0
+ },
+ #endif /* SUPPORT_SERIAL */
+@@ -65,6 +71,7 @@
+ {
+ "hercules",
+ 0,
++ 24,
+ hercules_putchar,
+ console_checkkey,
+ console_getkey,
+@@ -73,9 +80,28 @@
+ hercules_cls,
+ hercules_setcolorstate,
+ hercules_setcolor,
+- hercules_setcursor
++ hercules_setcursor,
++ 0,
++ 0
+ },
+ #endif /* SUPPORT_HERCULES */
++#ifdef SUPPORT_GRAPHICS
++ { "graphics",
++ TERM_NEED_INIT, /* flags */
++ 30, /* number of lines */
++ graphics_putchar, /* putchar */
++ console_checkkey, /* checkkey */
++ console_getkey, /* getkey */
++ graphics_getxy, /* getxy */
++ graphics_gotoxy, /* gotoxy */
++ graphics_cls, /* cls */
++ graphics_setcolorstate, /* setcolorstate */
++ graphics_setcolor, /* setcolor */
++ graphics_setcursor, /* nocursor */
++ graphics_init, /* initialize */
++ graphics_end /* shutdown */
++ },
++#endif /* SUPPORT_GRAPHICS */
+ /* This must be the last entry. */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ };
+@@ -1046,13 +1072,15 @@
+ the following grub_printf call will print newlines. */
+ count_lines = -1;
+
++ grub_printf("\n");
+ if (current_term->setcolorstate)
+ current_term->setcolorstate (COLOR_STATE_HIGHLIGHT);
+
+- grub_printf ("\n[Hit return to continue]");
++ grub_printf ("[Hit return to continue]");
+
+ if (current_term->setcolorstate)
+ current_term->setcolorstate (COLOR_STATE_NORMAL);
++
+
+ do
+ {
+@@ -1090,7 +1118,7 @@
+ cls (void)
+ {
+ /* If the terminal is dumb, there is no way to clean the terminal. */
+- if (current_term->flags & TERM_DUMB)
++ if (current_term->flags & TERM_DUMB)
+ grub_putchar ('\n');
+ else
+ current_term->cls ();
+@@ -1174,37 +1202,62 @@
+ }
+ #endif /* ! STAGE1_5 */
+
++#ifdef GRUB_UTIL
++# ifdef __PIC__
++# if defined(HAVE_START_SYMBOL) && defined(HAVE_END_SYMBOL)
++ extern char start[];
++ extern char end[];
++# elif defined(HAVE_USCORE_START_SYMBOL) && defined (HAVE_USCORE_END_SYMBOL)
++ extern char _start[];
++ extern char _end[];
++# endif
++# endif
++#endif
+ int
+-memcheck (int addr, int len)
++memcheck (unsigned long addr, unsigned long len)
+ {
+ #ifdef GRUB_UTIL
+- auto int start_addr (void);
+- auto int end_addr (void);
++# ifdef __PIC__
++# if defined(HAVE_START_SYMBOL) && defined(HAVE_END_SYMBOL)
++ if (start <= addr && end > addr + len)
++ return ! errnum;
++# elif defined(HAVE_USCORE_START_SYMBOL) && defined (HAVE_USCORE_END_SYMBOL)
++ if (_start <= addr && _end > addr + len)
++ return ! errnum;
++# endif
++# else /* __PIC__ */
++ auto unsigned long start_addr (void);
++ auto unsigned long end_addr (void);
+
+- auto int start_addr (void)
++ auto unsigned long start_addr (void)
+ {
+- int ret;
+-# if defined(HAVE_START_SYMBOL)
++ unsigned long ret;
++# if defined(HAVE_START_SYMBOL)
+ asm volatile ("movl $start, %0" : "=a" (ret));
+-# elif defined(HAVE_USCORE_START_SYMBOL)
++# elif defined(HAVE_USCORE_START_SYMBOL)
+ asm volatile ("movl $_start, %0" : "=a" (ret));
+-# endif
++# else
++ erk! /* function would return undefined data in this case - barf */
++# endif
+ return ret;
+ }
+
+- auto int end_addr (void)
++ auto unsigned long end_addr (void)
+ {
+- int ret;
+-# if defined(HAVE_END_SYMBOL)
++ unsigned long ret;
++# if defined(HAVE_END_SYMBOL)
+ asm volatile ("movl $end, %0" : "=a" (ret));
+-# elif defined(HAVE_USCORE_END_SYMBOL)
++# elif defined(HAVE_USCORE_END_SYMBOL)
+ asm volatile ("movl $_end, %0" : "=a" (ret));
+-# endif
++# else
++ erk! /* function would return undefined data in this case - barf */
++# endif
+ return ret;
+ }
+
+ if (start_addr () <= addr && end_addr () > addr + len)
+ return ! errnum;
++# endif /* __PIC__ */
+ #endif /* GRUB_UTIL */
+
+ if ((addr < RAW_ADDR (0x1000))
+@@ -1217,10 +1270,20 @@
+ return ! errnum;
+ }
+
++void
++grub_memcpy(void *dest, const void *src, int len)
++{
++ int i;
++ register char *d = (char*)dest, *s = (char*)src;
++
++ for (i = 0; i < len; i++)
++ d[i] = s[i];
++}
++
+ void *
+ grub_memmove (void *to, const void *from, int len)
+ {
+- if (memcheck ((int) to, len))
++ if (memcheck ((unsigned long) to, len))
+ {
+ /* This assembly code is stolen from
+ linux-2.2.2/include/asm-i386/string.h. This is not very fast
+@@ -1258,7 +1321,7 @@
+ {
+ char *p = start;
+
+- if (memcheck ((int) start, len))
++ if (memcheck ((unsigned long) start, len))
+ {
+ while (len -- > 0)
+ *p ++ = c;
+diff -Nur grub-0.97/stage2/char_io.c.orig grub-0.97-patched/stage2/char_io.c.orig
+--- grub-0.97/stage2/char_io.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/char_io.c.orig 2005-02-01 21:51:23.000000000 +0100
+@@ -0,0 +1,1283 @@
++/* char_io.c - basic console input and output */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 1999,2000,2001,2002,2004 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#include <shared.h>
++#include <term.h>
++
++#ifdef SUPPORT_HERCULES
++# include <hercules.h>
++#endif
++
++#ifdef SUPPORT_SERIAL
++# include <serial.h>
++#endif
++
++#ifndef STAGE1_5
++struct term_entry term_table[] =
++ {
++ {
++ "console",
++ 0,
++ console_putchar,
++ console_checkkey,
++ console_getkey,
++ console_getxy,
++ console_gotoxy,
++ console_cls,
++ console_setcolorstate,
++ console_setcolor,
++ console_setcursor
++ },
++#ifdef SUPPORT_SERIAL
++ {
++ "serial",
++ /* A serial device must be initialized. */
++ TERM_NEED_INIT,
++ serial_putchar,
++ serial_checkkey,
++ serial_getkey,
++ serial_getxy,
++ serial_gotoxy,
++ serial_cls,
++ serial_setcolorstate,
++ 0,
++ 0
++ },
++#endif /* SUPPORT_SERIAL */
++#ifdef SUPPORT_HERCULES
++ {
++ "hercules",
++ 0,
++ hercules_putchar,
++ console_checkkey,
++ console_getkey,
++ hercules_getxy,
++ hercules_gotoxy,
++ hercules_cls,
++ hercules_setcolorstate,
++ hercules_setcolor,
++ hercules_setcursor
++ },
++#endif /* SUPPORT_HERCULES */
++ /* This must be the last entry. */
++ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
++ };
++
++/* This must be console. */
++struct term_entry *current_term = term_table;
++
++int max_lines = 24;
++int count_lines = -1;
++int use_pager = 1;
++#endif
++
++void
++print_error (void)
++{
++ if (errnum > ERR_NONE && errnum < MAX_ERR_NUM)
++#ifndef STAGE1_5
++ /* printf("\7\n %s\n", err_list[errnum]); */
++ printf ("\nError %u: %s\n", errnum, err_list[errnum]);
++#else /* STAGE1_5 */
++ printf ("Error %u\n", errnum);
++#endif /* STAGE1_5 */
++}
++
++char *
++convert_to_ascii (char *buf, int c,...)
++{
++ unsigned long num = *((&c) + 1), mult = 10;
++ char *ptr = buf;
++
++#ifndef STAGE1_5
++ if (c == 'x' || c == 'X')
++ mult = 16;
++
++ if ((num & 0x80000000uL) && c == 'd')
++ {
++ num = (~num) + 1;
++ *(ptr++) = '-';
++ buf++;
++ }
++#endif
++
++ do
++ {
++ int dig = num % mult;
++ *(ptr++) = ((dig > 9) ? dig + 'a' - 10 : '0' + dig);
++ }
++ while (num /= mult);
++
++ /* reorder to correct direction!! */
++ {
++ char *ptr1 = ptr - 1;
++ char *ptr2 = buf;
++ while (ptr1 > ptr2)
++ {
++ int tmp = *ptr1;
++ *ptr1 = *ptr2;
++ *ptr2 = tmp;
++ ptr1--;
++ ptr2++;
++ }
++ }
++
++ return ptr;
++}
++
++void
++grub_putstr (const char *str)
++{
++ while (*str)
++ grub_putchar (*str++);
++}
++
++void
++grub_printf (const char *format,...)
++{
++ int *dataptr = (int *) &format;
++ char c, str[16];
++
++ dataptr++;
++
++ while ((c = *(format++)) != 0)
++ {
++ if (c != '%')
++ grub_putchar (c);
++ else
++ switch (c = *(format++))
++ {
++#ifndef STAGE1_5
++ case 'd':
++ case 'x':
++ case 'X':
++#endif
++ case 'u':
++ *convert_to_ascii (str, c, *((unsigned long *) dataptr++)) = 0;
++ grub_putstr (str);
++ break;
++
++#ifndef STAGE1_5
++ case 'c':
++ grub_putchar ((*(dataptr++)) & 0xff);
++ break;
++
++ case 's':
++ grub_putstr ((char *) *(dataptr++));
++ break;
++#endif
++ }
++ }
++}
++
++#ifndef STAGE1_5
++int
++grub_sprintf (char *buffer, const char *format, ...)
++{
++ /* XXX hohmuth
++ ugly hack -- should unify with printf() */
++ int *dataptr = (int *) &format;
++ char c, *ptr, str[16];
++ char *bp = buffer;
++
++ dataptr++;
++
++ while ((c = *format++) != 0)
++ {
++ if (c != '%')
++ *bp++ = c; /* putchar(c); */
++ else
++ switch (c = *(format++))
++ {
++ case 'd': case 'u': case 'x':
++ *convert_to_ascii (str, c, *((unsigned long *) dataptr++)) = 0;
++
++ ptr = str;
++
++ while (*ptr)
++ *bp++ = *(ptr++); /* putchar(*(ptr++)); */
++ break;
++
++ case 'c': *bp++ = (*(dataptr++))&0xff;
++ /* putchar((*(dataptr++))&0xff); */
++ break;
++
++ case 's':
++ ptr = (char *) (*(dataptr++));
++
++ while ((c = *ptr++) != 0)
++ *bp++ = c; /* putchar(c); */
++ break;
++ }
++ }
++
++ *bp = 0;
++ return bp - buffer;
++}
++
++
++void
++init_page (void)
++{
++ cls ();
++
++ grub_printf ("\n GNU GRUB version %s (%dK lower / %dK upper memory)\n\n",
++ version_string, mbi.mem_lower, mbi.mem_upper);
++}
++
++/* The number of the history entries. */
++static int num_history = 0;
++
++/* Get the NOth history. If NO is less than zero or greater than or
++ equal to NUM_HISTORY, return NULL. Otherwise return a valid string. */
++static char *
++get_history (int no)
++{
++ if (no < 0 || no >= num_history)
++ return 0;
++
++ return (char *) HISTORY_BUF + MAX_CMDLINE * no;
++}
++
++/* Add CMDLINE to the history buffer. */
++static void
++add_history (const char *cmdline, int no)
++{
++ grub_memmove ((char *) HISTORY_BUF + MAX_CMDLINE * (no + 1),
++ (char *) HISTORY_BUF + MAX_CMDLINE * no,
++ MAX_CMDLINE * (num_history - no));
++ grub_strcpy ((char *) HISTORY_BUF + MAX_CMDLINE * no, cmdline);
++ if (num_history < HISTORY_SIZE)
++ num_history++;
++}
++
++static int
++real_get_cmdline (char *prompt, char *cmdline, int maxlen,
++ int echo_char, int readline)
++{
++ /* This is a rather complicated function. So explain the concept.
++
++ A command-line consists of ``section''s. A section is a part of the
++ line which may be displayed on the screen, but a section is never
++ displayed with another section simultaneously.
++
++ Each section is basically 77 or less characters, but the exception
++ is the first section, which is 78 or less characters, because the
++ starting point is special. See below.
++
++ The first section contains a prompt and a command-line (or the
++ first part of a command-line when it is too long to be fit in the
++ screen). So, in the first section, the number of command-line
++ characters displayed is 78 minus the length of the prompt (or
++ less). If the command-line has more characters, `>' is put at the
++ position 78 (zero-origin), to inform the user of the hidden
++ characters.
++
++ Other sections always have `<' at the first position, since there
++ is absolutely a section before each section. If there is a section
++ after another section, this section consists of 77 characters and
++ `>' at the last position. The last section has 77 or less
++ characters and doesn't have `>'.
++
++ Each section other than the last shares some characters with the
++ previous section. This region is called ``margin''. If the cursor
++ is put at the magin which is shared by the first section and the
++ second, the first section is displayed. Otherwise, a displayed
++ section is switched to another section, only if the cursor is put
++ outside that section. */
++
++ /* XXX: These should be defined in shared.h, but I leave these here,
++ until this code is freezed. */
++#define CMDLINE_WIDTH 78
++#define CMDLINE_MARGIN 10
++
++ int xpos, lpos, c, section;
++ /* The length of PROMPT. */
++ int plen;
++ /* The length of the command-line. */
++ int llen;
++ /* The index for the history. */
++ int history = -1;
++ /* The working buffer for the command-line. */
++ char *buf = (char *) CMDLINE_BUF;
++ /* The kill buffer. */
++ char *kill_buf = (char *) KILL_BUF;
++
++ /* Nested function definitions for code simplicity. */
++
++ /* The forward declarations of nested functions are prefixed
++ with `auto'. */
++ auto void cl_refresh (int full, int len);
++ auto void cl_backward (int count);
++ auto void cl_forward (int count);
++ auto void cl_insert (const char *str);
++ auto void cl_delete (int count);
++ auto void cl_init (void);
++
++ /* Move the cursor backward. */
++ void cl_backward (int count)
++ {
++ lpos -= count;
++
++ /* If the cursor is in the first section, display the first section
++ instead of the second. */
++ if (section == 1 && plen + lpos < CMDLINE_WIDTH)
++ cl_refresh (1, 0);
++ else if (xpos - count < 1)
++ cl_refresh (1, 0);
++ else
++ {
++ xpos -= count;
++
++ if (current_term->flags & TERM_DUMB)
++ {
++ int i;
++
++ for (i = 0; i < count; i++)
++ grub_putchar ('\b');
++ }
++ else
++ gotoxy (xpos, getxy () & 0xFF);
++ }
++ }
++
++ /* Move the cursor forward. */
++ void cl_forward (int count)
++ {
++ lpos += count;
++
++ /* If the cursor goes outside, scroll the screen to the right. */
++ if (xpos + count >= CMDLINE_WIDTH)
++ cl_refresh (1, 0);
++ else
++ {
++ xpos += count;
++
++ if (current_term->flags & TERM_DUMB)
++ {
++ int i;
++
++ for (i = lpos - count; i < lpos; i++)
++ {
++ if (! echo_char)
++ grub_putchar (buf[i]);
++ else
++ grub_putchar (echo_char);
++ }
++ }
++ else
++ gotoxy (xpos, getxy () & 0xFF);
++ }
++ }
++
++ /* Refresh the screen. If FULL is true, redraw the full line, otherwise,
++ only LEN characters from LPOS. */
++ void cl_refresh (int full, int len)
++ {
++ int i;
++ int start;
++ int pos = xpos;
++
++ if (full)
++ {
++ /* Recompute the section number. */
++ if (lpos + plen < CMDLINE_WIDTH)
++ section = 0;
++ else
++ section = ((lpos + plen - CMDLINE_WIDTH)
++ / (CMDLINE_WIDTH - 1 - CMDLINE_MARGIN) + 1);
++
++ /* From the start to the end. */
++ len = CMDLINE_WIDTH;
++ pos = 0;
++ grub_putchar ('\r');
++
++ /* If SECTION is the first section, print the prompt, otherwise,
++ print `<'. */
++ if (section == 0)
++ {
++ grub_printf ("%s", prompt);
++ len -= plen;
++ pos += plen;
++ }
++ else
++ {
++ grub_putchar ('<');
++ len--;
++ pos++;
++ }
++ }
++
++ /* Compute the index to start writing BUF and the resulting position
++ on the screen. */
++ if (section == 0)
++ {
++ int offset = 0;
++
++ if (! full)
++ offset = xpos - plen;
++
++ start = 0;
++ xpos = lpos + plen;
++ start += offset;
++ }
++ else
++ {
++ int offset = 0;
++
++ if (! full)
++ offset = xpos - 1;
++
++ start = ((section - 1) * (CMDLINE_WIDTH - 1 - CMDLINE_MARGIN)
++ + CMDLINE_WIDTH - plen - CMDLINE_MARGIN);
++ xpos = lpos + 1 - start;
++ start += offset;
++ }
++
++ /* Print BUF. If ECHO_CHAR is not zero, put it instead. */
++ for (i = start; i < start + len && i < llen; i++)
++ {
++ if (! echo_char)
++ grub_putchar (buf[i]);
++ else
++ grub_putchar (echo_char);
++
++ pos++;
++ }
++
++ /* Fill up the rest of the line with spaces. */
++ for (; i < start + len; i++)
++ {
++ grub_putchar (' ');
++ pos++;
++ }
++
++ /* If the cursor is at the last position, put `>' or a space,
++ depending on if there are more characters in BUF. */
++ if (pos == CMDLINE_WIDTH)
++ {
++ if (start + len < llen)
++ grub_putchar ('>');
++ else
++ grub_putchar (' ');
++
++ pos++;
++ }
++
++ /* Back to XPOS. */
++ if (current_term->flags & TERM_DUMB)
++ {
++ for (i = 0; i < pos - xpos; i++)
++ grub_putchar ('\b');
++ }
++ else
++ gotoxy (xpos, getxy () & 0xFF);
++ }
++
++ /* Initialize the command-line. */
++ void cl_init (void)
++ {
++ /* Distinguish us from other lines and error messages! */
++ grub_putchar ('\n');
++
++ /* Print full line and set position here. */
++ cl_refresh (1, 0);
++ }
++
++ /* Insert STR to BUF. */
++ void cl_insert (const char *str)
++ {
++ int l = grub_strlen (str);
++
++ if (llen + l < maxlen)
++ {
++ if (lpos == llen)
++ grub_memmove (buf + lpos, str, l + 1);
++ else
++ {
++ grub_memmove (buf + lpos + l, buf + lpos, llen - lpos + 1);
++ grub_memmove (buf + lpos, str, l);
++ }
++
++ llen += l;
++ lpos += l;
++ if (xpos + l >= CMDLINE_WIDTH)
++ cl_refresh (1, 0);
++ else if (xpos + l + llen - lpos > CMDLINE_WIDTH)
++ cl_refresh (0, CMDLINE_WIDTH - xpos);
++ else
++ cl_refresh (0, l + llen - lpos);
++ }
++ }
++
++ /* Delete COUNT characters in BUF. */
++ void cl_delete (int count)
++ {
++ grub_memmove (buf + lpos, buf + lpos + count, llen - count + 1);
++ llen -= count;
++
++ if (xpos + llen + count - lpos > CMDLINE_WIDTH)
++ cl_refresh (0, CMDLINE_WIDTH - xpos);
++ else
++ cl_refresh (0, llen + count - lpos);
++ }
++
++ plen = grub_strlen (prompt);
++ llen = grub_strlen (cmdline);
++
++ if (maxlen > MAX_CMDLINE)
++ {
++ maxlen = MAX_CMDLINE;
++ if (llen >= MAX_CMDLINE)
++ {
++ llen = MAX_CMDLINE - 1;
++ cmdline[MAX_CMDLINE] = 0;
++ }
++ }
++ lpos = llen;
++ grub_strcpy (buf, cmdline);
++
++ cl_init ();
++
++ while ((c = ASCII_CHAR (getkey ())) != '\n' && c != '\r')
++ {
++ /* If READLINE is non-zero, handle readline-like key bindings. */
++ if (readline)
++ {
++ switch (c)
++ {
++ case 9: /* TAB lists completions */
++ {
++ int i;
++ /* POS points to the first space after a command. */
++ int pos = 0;
++ int ret;
++ char *completion_buffer = (char *) COMPLETION_BUF;
++ int equal_pos = -1;
++ int is_filename;
++
++ /* Find the first word. */
++ while (buf[pos] == ' ')
++ pos++;
++ while (buf[pos] && buf[pos] != '=' && buf[pos] != ' ')
++ pos++;
++
++ is_filename = (lpos > pos);
++
++ /* Find the position of the equal character after a
++ command, and replace it with a space. */
++ for (i = pos; buf[i] && buf[i] != ' '; i++)
++ if (buf[i] == '=')
++ {
++ equal_pos = i;
++ buf[i] = ' ';
++ break;
++ }
++
++ /* Find the position of the first character in this
++ word. */
++ for (i = lpos; i > 0 && buf[i - 1] != ' '; i--)
++ ;
++
++ /* Invalidate the cache, because the user may exchange
++ removable disks. */
++ buf_drive = -1;
++
++ /* Copy this word to COMPLETION_BUFFER and do the
++ completion. */
++ grub_memmove (completion_buffer, buf + i, lpos - i);
++ completion_buffer[lpos - i] = 0;
++ ret = print_completions (is_filename, 1);
++ errnum = ERR_NONE;
++
++ if (ret >= 0)
++ {
++ /* Found, so insert COMPLETION_BUFFER. */
++ cl_insert (completion_buffer + lpos - i);
++
++ if (ret > 0)
++ {
++ /* There are more than one candidates, so print
++ the list. */
++ grub_putchar ('\n');
++ print_completions (is_filename, 0);
++ errnum = ERR_NONE;
++ }
++ }
++
++ /* Restore the command-line. */
++ if (equal_pos >= 0)
++ buf[equal_pos] = '=';
++
++ if (ret)
++ cl_init ();
++ }
++ break;
++ case 1: /* C-a go to beginning of line */
++ cl_backward (lpos);
++ break;
++ case 5: /* C-e go to end of line */
++ cl_forward (llen - lpos);
++ break;
++ case 6: /* C-f forward one character */
++ if (lpos < llen)
++ cl_forward (1);
++ break;
++ case 2: /* C-b backward one character */
++ if (lpos > 0)
++ cl_backward (1);
++ break;
++ case 21: /* C-u kill to beginning of line */
++ if (lpos == 0)
++ break;
++ /* Copy the string being deleted to KILL_BUF. */
++ grub_memmove (kill_buf, buf, lpos);
++ kill_buf[lpos] = 0;
++ {
++ /* XXX: Not very clever. */
++
++ int count = lpos;
++
++ cl_backward (lpos);
++ cl_delete (count);
++ }
++ break;
++ case 11: /* C-k kill to end of line */
++ if (lpos == llen)
++ break;
++ /* Copy the string being deleted to KILL_BUF. */
++ grub_memmove (kill_buf, buf + lpos, llen - lpos + 1);
++ cl_delete (llen - lpos);
++ break;
++ case 25: /* C-y yank the kill buffer */
++ cl_insert (kill_buf);
++ break;
++ case 16: /* C-p fetch the previous command */
++ {
++ char *p;
++
++ if (history < 0)
++ /* Save the working buffer. */
++ grub_strcpy (cmdline, buf);
++ else if (grub_strcmp (get_history (history), buf) != 0)
++ /* If BUF is modified, add it into the history list. */
++ add_history (buf, history);
++
++ history++;
++ p = get_history (history);
++ if (! p)
++ {
++ history--;
++ break;
++ }
++
++ grub_strcpy (buf, p);
++ llen = grub_strlen (buf);
++ lpos = llen;
++ cl_refresh (1, 0);
++ }
++ break;
++ case 14: /* C-n fetch the next command */
++ {
++ char *p;
++
++ if (history < 0)
++ {
++ break;
++ }
++ else if (grub_strcmp (get_history (history), buf) != 0)
++ /* If BUF is modified, add it into the history list. */
++ add_history (buf, history);
++
++ history--;
++ p = get_history (history);
++ if (! p)
++ p = cmdline;
++
++ grub_strcpy (buf, p);
++ llen = grub_strlen (buf);
++ lpos = llen;
++ cl_refresh (1, 0);
++ }
++ break;
++ }
++ }
++
++ /* ESC, C-d and C-h are always handled. Actually C-d is not
++ functional if READLINE is zero, as the cursor cannot go
++ backward, but that's ok. */
++ switch (c)
++ {
++ case 27: /* ESC immediately return 1 */
++ return 1;
++ case 4: /* C-d delete character under cursor */
++ if (lpos == llen)
++ break;
++ cl_delete (1);
++ break;
++ case 8: /* C-h backspace */
++# ifdef GRUB_UTIL
++ case 127: /* also backspace */
++# endif
++ if (lpos > 0)
++ {
++ cl_backward (1);
++ cl_delete (1);
++ }
++ break;
++ default: /* insert printable character into line */
++ if (c >= ' ' && c <= '~')
++ {
++ char str[2];
++
++ str[0] = c;
++ str[1] = 0;
++ cl_insert (str);
++ }
++ }
++ }
++
++ grub_putchar ('\n');
++
++ /* If ECHO_CHAR is NUL, remove the leading spaces. */
++ lpos = 0;
++ if (! echo_char)
++ while (buf[lpos] == ' ')
++ lpos++;
++
++ /* Copy the working buffer to CMDLINE. */
++ grub_memmove (cmdline, buf + lpos, llen - lpos + 1);
++
++ /* If the readline-like feature is turned on and CMDLINE is not
++ empty, add it into the history list. */
++ if (readline && lpos < llen)
++ add_history (cmdline, 0);
++
++ return 0;
++}
++
++/* Don't use this with a MAXLEN greater than 1600 or so! The problem
++ is that GET_CMDLINE depends on the everything fitting on the screen
++ at once. So, the whole screen is about 2000 characters, minus the
++ PROMPT, and space for error and status lines, etc. MAXLEN must be
++ at least 1, and PROMPT and CMDLINE must be valid strings (not NULL
++ or zero-length).
++
++ If ECHO_CHAR is nonzero, echo it instead of the typed character. */
++int
++get_cmdline (char *prompt, char *cmdline, int maxlen,
++ int echo_char, int readline)
++{
++ int old_cursor;
++ int ret;
++
++ old_cursor = setcursor (1);
++
++ /* Because it is hard to deal with different conditions simultaneously,
++ less functional cases are handled here. Assume that TERM_NO_ECHO
++ implies TERM_NO_EDIT. */
++ if (current_term->flags & (TERM_NO_ECHO | TERM_NO_EDIT))
++ {
++ char *p = cmdline;
++ int c;
++
++ /* Make sure that MAXLEN is not too large. */
++ if (maxlen > MAX_CMDLINE)
++ maxlen = MAX_CMDLINE;
++
++ /* Print only the prompt. The contents of CMDLINE is simply discarded,
++ even if it is not empty. */
++ grub_printf ("%s", prompt);
++
++ /* Gather characters until a newline is gotten. */
++ while ((c = ASCII_CHAR (getkey ())) != '\n' && c != '\r')
++ {
++ /* Return immediately if ESC is pressed. */
++ if (c == 27)
++ {
++ setcursor (old_cursor);
++ return 1;
++ }
++
++ /* Printable characters are added into CMDLINE. */
++ if (c >= ' ' && c <= '~')
++ {
++ if (! (current_term->flags & TERM_NO_ECHO))
++ grub_putchar (c);
++
++ /* Preceding space characters must be ignored. */
++ if (c != ' ' || p != cmdline)
++ *p++ = c;
++ }
++ }
++
++ *p = 0;
++
++ if (! (current_term->flags & TERM_NO_ECHO))
++ grub_putchar ('\n');
++
++ setcursor (old_cursor);
++ return 0;
++ }
++
++ /* Complicated features are left to real_get_cmdline. */
++ ret = real_get_cmdline (prompt, cmdline, maxlen, echo_char, readline);
++ setcursor (old_cursor);
++ return ret;
++}
++
++int
++safe_parse_maxint (char **str_ptr, int *myint_ptr)
++{
++ char *ptr = *str_ptr;
++ int myint = 0;
++ int mult = 10, found = 0;
++
++ /*
++ * Is this a hex number?
++ */
++ if (*ptr == '0' && tolower (*(ptr + 1)) == 'x')
++ {
++ ptr += 2;
++ mult = 16;
++ }
++
++ while (1)
++ {
++ /* A bit tricky. This below makes use of the equivalence:
++ (A >= B && A <= C) <=> ((A - B) <= (C - B))
++ when C > B and A is unsigned. */
++ unsigned int digit;
++
++ digit = tolower (*ptr) - '0';
++ if (digit > 9)
++ {
++ digit -= 'a' - '0';
++ if (mult == 10 || digit > 5)
++ break;
++ digit += 10;
++ }
++
++ found = 1;
++ if (myint > ((MAXINT - digit) / mult))
++ {
++ errnum = ERR_NUMBER_OVERFLOW;
++ return 0;
++ }
++ myint = (myint * mult) + digit;
++ ptr++;
++ }
++
++ if (!found)
++ {
++ errnum = ERR_NUMBER_PARSING;
++ return 0;
++ }
++
++ *str_ptr = ptr;
++ *myint_ptr = myint;
++
++ return 1;
++}
++#endif /* STAGE1_5 */
++
++#if !defined(STAGE1_5) || defined(FSYS_FAT)
++int
++grub_tolower (int c)
++{
++ if (c >= 'A' && c <= 'Z')
++ return (c + ('a' - 'A'));
++
++ return c;
++}
++#endif /* ! STAGE1_5 || FSYS_FAT */
++
++int
++grub_isspace (int c)
++{
++ switch (c)
++ {
++ case ' ':
++ case '\t':
++ case '\r':
++ case '\n':
++ return 1;
++ default:
++ break;
++ }
++
++ return 0;
++}
++
++#if !defined(STAGE1_5) || defined(FSYS_ISO9660)
++int
++grub_memcmp (const char *s1, const char *s2, int n)
++{
++ while (n)
++ {
++ if (*s1 < *s2)
++ return -1;
++ else if (*s1 > *s2)
++ return 1;
++ s1++;
++ s2++;
++ n--;
++ }
++
++ return 0;
++}
++#endif /* ! STAGE1_5 || FSYS_ISO9660 */
++
++#ifndef STAGE1_5
++int
++grub_strncat (char *s1, const char *s2, int n)
++{
++ int i = -1;
++
++ while (++i < n && s1[i] != 0);
++
++ while (i < n && (s1[i++] = *(s2++)) != 0);
++
++ s1[n - 1] = 0;
++
++ if (i >= n)
++ return 0;
++
++ s1[i] = 0;
++
++ return 1;
++}
++#endif /* ! STAGE1_5 */
++
++/* XXX: This below is an evil hack. Certainly, we should change the
++ strategy to determine what should be defined and what shouldn't be
++ defined for each image. For example, it would be better to create
++ a static library supporting minimal standard C functions and link
++ each image with the library. Complicated things should be left to
++ computer, definitely. -okuji */
++#if !defined(STAGE1_5) || defined(FSYS_VSTAFS)
++int
++grub_strcmp (const char *s1, const char *s2)
++{
++ while (*s1 || *s2)
++ {
++ if (*s1 < *s2)
++ return -1;
++ else if (*s1 > *s2)
++ return 1;
++ s1 ++;
++ s2 ++;
++ }
++
++ return 0;
++}
++#endif /* ! STAGE1_5 || FSYS_VSTAFS */
++
++#ifndef STAGE1_5
++/* Wait for a keypress and return its code. */
++int
++getkey (void)
++{
++ return current_term->getkey ();
++}
++
++/* Check if a key code is available. */
++int
++checkkey (void)
++{
++ return current_term->checkkey ();
++}
++#endif /* ! STAGE1_5 */
++
++/* Display an ASCII character. */
++void
++grub_putchar (int c)
++{
++ if (c == '\n')
++ grub_putchar ('\r');
++#ifndef STAGE1_5
++ else if (c == '\t' && current_term->getxy)
++ {
++ int n;
++
++ n = 8 - ((current_term->getxy () >> 8) & 3);
++ while (n--)
++ grub_putchar (' ');
++
++ return;
++ }
++#endif /* ! STAGE1_5 */
++
++#ifdef STAGE1_5
++
++ /* In Stage 1.5, only the normal console is supported. */
++ console_putchar (c);
++
++#else /* ! STAGE1_5 */
++
++ if (c == '\n')
++ {
++ /* Internal `more'-like feature. */
++ if (count_lines >= 0)
++ {
++ count_lines++;
++ if (count_lines >= max_lines - 2)
++ {
++ int tmp;
++
++ /* It's important to disable the feature temporarily, because
++ the following grub_printf call will print newlines. */
++ count_lines = -1;
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_HIGHLIGHT);
++
++ grub_printf ("\n[Hit return to continue]");
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_NORMAL);
++
++ do
++ {
++ tmp = ASCII_CHAR (getkey ());
++ }
++ while (tmp != '\n' && tmp != '\r');
++ grub_printf ("\r \r");
++
++ /* Restart to count lines. */
++ count_lines = 0;
++ return;
++ }
++ }
++ }
++
++ current_term->putchar (c);
++
++#endif /* ! STAGE1_5 */
++}
++
++#ifndef STAGE1_5
++void
++gotoxy (int x, int y)
++{
++ current_term->gotoxy (x, y);
++}
++
++int
++getxy (void)
++{
++ return current_term->getxy ();
++}
++
++void
++cls (void)
++{
++ /* If the terminal is dumb, there is no way to clean the terminal. */
++ if (current_term->flags & TERM_DUMB)
++ grub_putchar ('\n');
++ else
++ current_term->cls ();
++}
++
++int
++setcursor (int on)
++{
++ if (current_term->setcursor)
++ return current_term->setcursor (on);
++
++ return 1;
++}
++#endif /* ! STAGE1_5 */
++
++int
++substring (const char *s1, const char *s2)
++{
++ while (*s1 == *s2)
++ {
++ /* The strings match exactly. */
++ if (! *(s1++))
++ return 0;
++ s2 ++;
++ }
++
++ /* S1 is a substring of S2. */
++ if (*s1 == 0)
++ return -1;
++
++ /* S1 isn't a substring. */
++ return 1;
++}
++
++#ifndef STAGE1_5
++/* Terminate the string STR with NUL. */
++int
++nul_terminate (char *str)
++{
++ int ch;
++
++ while (*str && ! grub_isspace (*str))
++ str++;
++
++ ch = *str;
++ *str = 0;
++ return ch;
++}
++
++char *
++grub_strstr (const char *s1, const char *s2)
++{
++ while (*s1)
++ {
++ const char *ptr, *tmp;
++
++ ptr = s1;
++ tmp = s2;
++
++ while (*tmp && *ptr == *tmp)
++ ptr++, tmp++;
++
++ if (tmp > s2 && ! *tmp)
++ return (char *) s1;
++
++ s1++;
++ }
++
++ return 0;
++}
++
++int
++grub_strlen (const char *str)
++{
++ int len = 0;
++
++ while (*str++)
++ len++;
++
++ return len;
++}
++#endif /* ! STAGE1_5 */
++
++int
++memcheck (int addr, int len)
++{
++#ifdef GRUB_UTIL
++ auto int start_addr (void);
++ auto int end_addr (void);
++
++ auto int start_addr (void)
++ {
++ int ret;
++# if defined(HAVE_START_SYMBOL)
++ asm volatile ("movl $start, %0" : "=a" (ret));
++# elif defined(HAVE_USCORE_START_SYMBOL)
++ asm volatile ("movl $_start, %0" : "=a" (ret));
++# endif
++ return ret;
++ }
++
++ auto int end_addr (void)
++ {
++ int ret;
++# if defined(HAVE_END_SYMBOL)
++ asm volatile ("movl $end, %0" : "=a" (ret));
++# elif defined(HAVE_USCORE_END_SYMBOL)
++ asm volatile ("movl $_end, %0" : "=a" (ret));
++# endif
++ return ret;
++ }
++
++ if (start_addr () <= addr && end_addr () > addr + len)
++ return ! errnum;
++#endif /* GRUB_UTIL */
++
++ if ((addr < RAW_ADDR (0x1000))
++ || (addr < RAW_ADDR (0x100000)
++ && RAW_ADDR (mbi.mem_lower * 1024) < (addr + len))
++ || (addr >= RAW_ADDR (0x100000)
++ && RAW_ADDR (mbi.mem_upper * 1024) < ((addr - 0x100000) + len)))
++ errnum = ERR_WONT_FIT;
++
++ return ! errnum;
++}
++
++void *
++grub_memmove (void *to, const void *from, int len)
++{
++ if (memcheck ((int) to, len))
++ {
++ /* This assembly code is stolen from
++ linux-2.2.2/include/asm-i386/string.h. This is not very fast
++ but compact. */
++ int d0, d1, d2;
++
++ if (to < from)
++ {
++ asm volatile ("cld\n\t"
++ "rep\n\t"
++ "movsb"
++ : "=&c" (d0), "=&S" (d1), "=&D" (d2)
++ : "0" (len),"1" (from),"2" (to)
++ : "memory");
++ }
++ else
++ {
++ asm volatile ("std\n\t"
++ "rep\n\t"
++ "movsb\n\t"
++ "cld"
++ : "=&c" (d0), "=&S" (d1), "=&D" (d2)
++ : "0" (len),
++ "1" (len - 1 + (const char *) from),
++ "2" (len - 1 + (char *) to)
++ : "memory");
++ }
++ }
++
++ return errnum ? NULL : to;
++}
++
++void *
++grub_memset (void *start, int c, int len)
++{
++ char *p = start;
++
++ if (memcheck ((int) start, len))
++ {
++ while (len -- > 0)
++ *p ++ = c;
++ }
++
++ return errnum ? NULL : start;
++}
++
++#ifndef STAGE1_5
++char *
++grub_strcpy (char *dest, const char *src)
++{
++ grub_memmove (dest, src, grub_strlen (src) + 1);
++ return dest;
++}
++#endif /* ! STAGE1_5 */
++
++#ifndef GRUB_UTIL
++# undef memcpy
++/* GCC emits references to memcpy() for struct copies etc. */
++void *memcpy (void *dest, const void *src, int n) __attribute__ ((alias ("grub_memmove")));
++#endif
+diff -Nur grub-0.97/stage2/common.c grub-0.97-patched/stage2/common.c
+--- grub-0.97/stage2/common.c 2004-03-27 17:25:44.000000000 +0100
++++ grub-0.97-patched/stage2/common.c 2012-11-11 17:06:52.558085305 +0100
+@@ -142,7 +142,8 @@
+ init_bios_info (void)
+ {
+ #ifndef STAGE1_5
+- unsigned long cont, memtmp, addr;
++ unsigned long memtmp, addr;
++ volatile unsigned long cont;
+ int drive;
+ #endif
+
+diff -Nur grub-0.97/stage2/disk_io.c grub-0.97-patched/stage2/disk_io.c
+--- grub-0.97/stage2/disk_io.c 2004-05-23 18:35:24.000000000 +0200
++++ grub-0.97-patched/stage2/disk_io.c 2012-11-11 17:07:12.740730013 +0100
+@@ -21,6 +21,7 @@
+
+ #include <shared.h>
+ #include <filesys.h>
++#include <gpt.h>
+
+ #ifdef SUPPORT_NETBOOT
+ # define GRUB 1
+@@ -137,7 +138,7 @@
+ }
+
+ int
+-rawread (int drive, int sector, int byte_offset, int byte_len, char *buf)
++rawread (int drive, unsigned int sector, int byte_offset, int byte_len, char *buf)
+ {
+ int slen, sectors_per_vtrack;
+ int sector_size_bits = log2 (buf_geom.sector_size);
+@@ -261,7 +262,7 @@
+ */
+ if (disk_read_func)
+ {
+- int sector_num = sector;
++ unsigned int sector_num = sector;
+ int length = buf_geom.sector_size - byte_offset;
+ if (length > size)
+ length = size;
+@@ -291,7 +292,7 @@
+
+
+ int
+-devread (int sector, int byte_offset, int byte_len, char *buf)
++devread (unsigned int sector, int byte_offset, int byte_len, char *buf)
+ {
+ /*
+ * Check partition boundaries
+@@ -330,7 +331,7 @@
+
+ #ifndef STAGE1_5
+ int
+-rawwrite (int drive, int sector, char *buf)
++rawwrite (int drive, unsigned int sector, char *buf)
+ {
+ if (sector == 0)
+ {
+@@ -363,7 +364,7 @@
+ }
+
+ int
+-devwrite (int sector, int sector_count, char *buf)
++devwrite (unsigned int sector, int sector_count, char *buf)
+ {
+ #if defined(GRUB_UTIL) && defined(__linux__)
+ if (current_partition != 0xFFFFFF
+@@ -502,8 +503,8 @@
+ set_partition_hidden_flag (int hidden)
+ {
+ unsigned long part = 0xFFFFFF;
+- unsigned long start, len, offset, ext_offset;
+- int entry, type;
++ unsigned long start, len, offset, ext_offset, gpt_offset;
++ int entry, type, gpt_count, gpt_size;
+ char mbr[512];
+
+ /* The drive must be a hard disk. */
+@@ -524,8 +525,15 @@
+ /* Look for the partition. */
+ while (next_partition (current_drive, 0xFFFFFF, &part, &type,
+ &start, &len, &offset, &entry,
+- &ext_offset, mbr))
++ &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
+ {
++ /* The partition may not be a GPT partition. */
++ if (gpt_offset != 0)
++ {
++ errnum = ERR_BAD_ARGUMENT;
++ return 1;
++ }
++
+ if (part == current_partition)
+ {
+ /* Found. */
+@@ -577,11 +585,14 @@
+ unsigned long *partition, int *type,
+ unsigned long *start, unsigned long *len,
+ unsigned long *offset, int *entry,
+- unsigned long *ext_offset, char *buf)
++ unsigned long *ext_offset,
++ unsigned long *gpt_offset, int *gpt_count,
++ int *gpt_size, char *buf)
+ {
+ /* Forward declarations. */
+ auto int next_bsd_partition (void);
+ auto int next_pc_slice (void);
++ auto int next_gpt_slice(void);
+
+ /* Get next BSD partition in current PC slice. */
+ int next_bsd_partition (void)
+@@ -666,6 +677,40 @@
+ return 0;
+ }
+
++ /* If this is a GPT partition table, read it as such. */
++ if (*entry == -1 && *offset == 0 && PC_SLICE_TYPE (buf, 0) == PC_SLICE_TYPE_GPT)
++ {
++ struct grub_gpt_header *hdr = (struct grub_gpt_header *) buf;
++
++ /* Read in the GPT Partition table header. */
++ if (! rawread (drive, 1, 0, SECTOR_SIZE, buf))
++ return 0;
++
++ if (hdr->magic == GPT_HEADER_MAGIC && hdr->version == 0x10000)
++ {
++ /* Let gpt_offset point to the first entry in the GPT
++ partition table. This can also be used by callers of
++ next_partition to determine if a entry comes from a
++ GPT partition table or not. */
++ *gpt_offset = hdr->partitions;
++ *gpt_count = hdr->maxpart;
++ *gpt_size = hdr->partentry_size;
++
++ return next_gpt_slice();
++ }
++ else
++ {
++ /* This is not a valid header for a GPT partition table.
++ Re-read the MBR or the boot sector of the extended
++ partition. */
++ if (! rawread (drive, *offset, 0, SECTOR_SIZE, buf))
++ return 0;
++ }
++ }
++
++ /* Not a GPT partition. */
++ *gpt_offset = 0;
++
+ /* Increase the entry number. */
+ (*entry)++;
+
+@@ -710,6 +755,43 @@
+ return 1;
+ }
+
++ /* Get the next GPT slice. */
++ int next_gpt_slice (void)
++ {
++ struct grub_gpt_partentry *gptentry = (struct grub_gpt_partentry *) buf;
++ /* Make GPT partitions show up as PC slices. */
++ int pc_slice_no = (*partition & 0xFF0000) >> 16;
++
++ /* If this is the first time... */
++ if (pc_slice_no == 0xFF)
++ {
++ pc_slice_no = -1;
++ *entry = -1;
++ }
++
++ do {
++ (*entry)++;
++
++ if (*entry >= *gpt_count)
++ {
++ errnum = ERR_NO_PART;
++ return 0;
++ }
++ /* Read in the GPT Partition table entry. */
++ if (! rawread (drive, (*gpt_offset) + GPT_ENTRY_SECTOR (*gpt_size, *entry), GPT_ENTRY_INDEX (*gpt_size, *entry), *gpt_size, buf))
++ return 0;
++ } while (! (gptentry->type1 && gptentry->type2));
++
++ pc_slice_no++;
++ *start = gptentry->start;
++ *len = gptentry->end - gptentry->start + 1;
++ *type = PC_SLICE_TYPE_EXT2FS;
++ *entry = pc_slice_no;
++ *partition = (*entry << 16) | 0xFFFF;
++
++ return 1;
++ }
++
+ /* Start the body of this function. */
+
+ #ifndef STAGE1_5
+@@ -717,6 +799,9 @@
+ return 0;
+ #endif
+
++ if (*partition != 0xFFFFFF && *gpt_offset != 0)
++ return next_gpt_slice ();
++
+ /* If previous partition is a BSD partition or a PC slice which
+ contains BSD partitions... */
+ if ((*partition != 0xFFFFFF && IS_PC_SLICE_TYPE_BSD (*type & 0xff))
+@@ -746,6 +831,8 @@
+ #ifndef STAGE1_5
+ static unsigned long cur_part_offset;
+ static unsigned long cur_part_addr;
++static unsigned long cur_part_start;
++static int cur_part_entry;
+ #endif
+
+ /* Open a partition. */
+@@ -755,6 +842,9 @@
+ unsigned long dest_partition = current_partition;
+ unsigned long part_offset;
+ unsigned long ext_offset;
++ unsigned long gpt_offset;
++ int gpt_count;
++ int gpt_size;
+ int entry;
+ char buf[SECTOR_SIZE];
+ int bsd_part, pc_slice;
+@@ -766,7 +856,8 @@
+ int ret = next_partition (current_drive, dest_partition,
+ ¤t_partition, ¤t_slice,
+ &part_start, &part_length,
+- &part_offset, &entry, &ext_offset, buf);
++ &part_offset, &entry, &ext_offset,
++ &gpt_offset, &gpt_count, &gpt_size, buf);
+ bsd_part = (current_partition >> 8) & 0xFF;
+ pc_slice = current_partition >> 16;
+ return ret;
+@@ -800,7 +891,12 @@
+
+ /* If this is the whole disk, return here. */
+ if (! flags && current_partition == 0xFFFFFF)
+- return 1;
++ {
++#ifndef STAGE1_5
++ cur_part_offset = 0;
++#endif /* ! STAGE1_5 */
++ return 1;
++ }
+
+ if (flags)
+ dest_partition = 0xFFFFFF;
+@@ -815,6 +911,8 @@
+
+ cur_part_offset = part_offset;
+ cur_part_addr = BOOT_PART_TABLE + (entry << 4);
++ cur_part_start = part_start;
++ cur_part_entry = entry;
+ #endif /* ! STAGE1_5 */
+
+ /* If this is a valid partition... */
+@@ -1142,6 +1240,7 @@
+ src = (char *) SCRATCHADDR + BOOTSEC_PART_OFFSET;
+ while (dst < (char *) BOOT_PART_TABLE + BOOTSEC_PART_LENGTH)
+ *dst++ = *src++;
++ PC_SLICE_START (BOOT_PART_TABLE - PC_SLICE_OFFSET, cur_part_entry) = cur_part_start;
+
+ /* Set the active flag of the booted partition. */
+ for (i = 0; i < 4; i++)
+diff -Nur grub-0.97/stage2/fsys_ext2fs.c grub-0.97-patched/stage2/fsys_ext2fs.c
+--- grub-0.97/stage2/fsys_ext2fs.c 2004-08-08 20:19:18.000000000 +0200
++++ grub-0.97-patched/stage2/fsys_ext2fs.c 2012-11-11 17:07:12.750730331 +0100
+@@ -41,6 +41,7 @@
+ typedef unsigned short __u16;
+ typedef __signed__ int __s32;
+ typedef unsigned int __u32;
++typedef unsigned long long __u64;
+
+ /*
+ * Constants relative to the data blocks, from ext2_fs.h
+@@ -61,9 +62,9 @@
+ __u32 s_free_inodes_count; /* Free inodes count */
+ __u32 s_first_data_block; /* First Data Block */
+ __u32 s_log_block_size; /* Block size */
+- __s32 s_log_frag_size; /* Fragment size */
++ __s32 s_obso_log_frag_size; /* Obsoleted Fragment size */
+ __u32 s_blocks_per_group; /* # Blocks per group */
+- __u32 s_frags_per_group; /* # Fragments per group */
++ __u32 s_obso_frags_per_group; /* Obsoleted Fragments per group */
+ __u32 s_inodes_per_group; /* # Inodes per group */
+ __u32 s_mtime; /* Mount time */
+ __u32 s_wtime; /* Write time */
+@@ -72,17 +73,62 @@
+ __u16 s_magic; /* Magic signature */
+ __u16 s_state; /* File system state */
+ __u16 s_errors; /* Behaviour when detecting errors */
+- __u16 s_pad;
++ __u16 s_minor_rev_level; /* minor revision level */
+ __u32 s_lastcheck; /* time of last check */
+ __u32 s_checkinterval; /* max. time between checks */
+ __u32 s_creator_os; /* OS */
+ __u32 s_rev_level; /* Revision level */
+ __u16 s_def_resuid; /* Default uid for reserved blocks */
+ __u16 s_def_resgid; /* Default gid for reserved blocks */
+- __u32 s_reserved[235]; /* Padding to the end of the block */
++ /*
++ * These fields are for EXT2_DYNAMIC_REV superblocks only.
++ *
++ * Note: the difference between the compatible feature set and
++ * the incompatible feature set is that if there is a bit set
++ * in the incompatible feature set that the kernel doesn't
++ * know about, it should refuse to mount the filesystem.
++ *
++ * e2fsck's requirements are more strict; if it doesn't know
++ * about a feature in either the compatible or incompatible
++ * feature set, it must abort and not try to meddle with
++ * things it doesn't understand...
++ */
++ __u32 s_first_ino; /* First non-reserved inode */
++ __u16 s_inode_size; /* size of inode structure */
++ __u16 s_block_group_nr; /* block group # of this superblock */
++ __u32 s_feature_compat; /* compatible feature set */
++ __u32 s_feature_incompat; /* incompatible feature set */
++ __u32 s_feature_ro_compat; /* readonly-compatible feature set */
++ __u8 s_uuid[16]; /* 128-bit uuid for volume */
++ char s_volume_name[16]; /* volume name */
++ char s_last_mounted[64]; /* directory where last mounted */
++ __u32 s_algorithm_usage_bitmap; /* For compression */
++ /*
++ * Performance hints. Directory preallocation should only
++ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on.
++ */
++ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
++ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
++ __u16 s_reserved_gdt_blocks;/* Per group table for online growth */
++ /*
++ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set.
++ */
++ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
++ __u32 s_journal_inum; /* inode number of journal file */
++ __u32 s_journal_dev; /* device number of journal file */
++ __u32 s_last_orphan; /* start of list of inodes to delete */
++ __u32 s_hash_seed[4]; /* HTREE hash seed */
++ __u8 s_def_hash_version; /* Default hash version to use */
++ __u8 s_jnl_backup_type; /* Default type of journal backup */
++ __u16 s_desc_size; /* size of group descriptor */
++ __u32 s_default_mount_opts;
++ __u32 s_first_meta_bg; /* First metablock group */
++ __u32 s_mkfs_time; /* When the filesystem was created */
++ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */
++ __u32 s_reserved[172]; /* Padding to the end of the block */
+ };
+
+-struct ext2_group_desc
++struct ext4_group_desc
+ {
+ __u32 bg_block_bitmap; /* Blocks bitmap block */
+ __u32 bg_inode_bitmap; /* Inodes bitmap block */
+@@ -90,8 +136,18 @@
+ __u16 bg_free_blocks_count; /* Free blocks count */
+ __u16 bg_free_inodes_count; /* Free inodes count */
+ __u16 bg_used_dirs_count; /* Directories count */
+- __u16 bg_pad;
+- __u32 bg_reserved[3];
++ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */
++ __u32 bg_reserved[2]; /* Likely block/inode bitmap checksum */
++ __u16 bg_itable_unused; /* Unused inodes count */
++ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */
++ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */
++ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */
++ __u32 bg_inode_table_hi; /* Inodes table block MSB */
++ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */
++ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */
++ __u16 bg_used_dirs_count_hi; /* Directories count MSB */
++ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */
++ __u32 bg_reserved2[3];
+ };
+
+ struct ext2_inode
+@@ -129,22 +185,22 @@
+ __u32 i_block[EXT2_N_BLOCKS]; /* 40: Pointers to blocks */
+ __u32 i_version; /* File version (for NFS) */
+ __u32 i_file_acl; /* File ACL */
+- __u32 i_dir_acl; /* Directory ACL */
+- __u32 i_faddr; /* Fragment address */
++ __u32 i_size_high;
++ __u32 i_obso_faddr; /* Obsoleted fragment address */
+ union
+ {
+ struct
+ {
+- __u8 l_i_frag; /* Fragment number */
+- __u8 l_i_fsize; /* Fragment size */
+- __u16 i_pad1;
+- __u32 l_i_reserved2[2];
++ __u16 l_i_blocks_high; /* were l_i_reserved1 */
++ __u16 l_i_file_acl_high;
++ __u16 l_i_uid_high; /* these 2 fields */
++ __u16 l_i_gid_high; /* were reserved2[0] */
++ __u32 l_i_reserved2;
+ }
+ linux2;
+ struct
+ {
+- __u8 h_i_frag; /* Fragment number */
+- __u8 h_i_fsize; /* Fragment size */
++ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
+ __u16 h_i_mode_high;
+ __u16 h_i_uid_high;
+ __u16 h_i_gid_high;
+@@ -153,16 +209,36 @@
+ hurd2;
+ struct
+ {
+- __u8 m_i_frag; /* Fragment number */
+- __u8 m_i_fsize; /* Fragment size */
+- __u16 m_pad1;
++ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
++ __u16 m_i_file_acl_high;
+ __u32 m_i_reserved2[2];
+ }
+ masix2;
+ }
+ osd2; /* OS dependent 2 */
++ __u16 i_extra_isize;
++ __u16 i_pad1;
++ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */
++ __u32 i_mtime_extra; /* extra Modification time(nsec << 2 | epoch) */
++ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */
++ __u32 i_crtime; /* File Creation time */
++ __u32 i_crtime_extra; /* extra FileCreationtime (nsec << 2 | epoch) */
++ __u32 i_version_hi; /* high 32 bits for 64-bit version */
+ };
+
++#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */
++#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 /* grub not supported*/
++#define EXT4_FEATURE_INCOMPAT_MMP 0x0100
++#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
++
++#define EXT4_HAS_INCOMPAT_FEATURE(sb,mask) \
++ ( sb->s_feature_incompat & mask )
++
++#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
++#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
++
++#define EXT4_MIN_DESC_SIZE 32
++
+ /* linux/limits.h */
+ #define NAME_MAX 255 /* # chars in a file name */
+
+@@ -180,6 +256,57 @@
+ char name[EXT2_NAME_LEN]; /* File name */
+ };
+
++/* linux/ext4_fs_extents.h */
++/* This is the extent on-disk structure.
++ * It's used at the bottom of the tree.
++ */
++struct ext4_extent
++ {
++ __u32 ee_block; /* first logical block extent covers */
++ __u16 ee_len; /* number of blocks covered by extent */
++ __u16 ee_start_hi; /* high 16 bits of physical block */
++ __u32 ee_start_lo; /* low 32 bits of physical block */
++ };
++
++/*
++ * This is index on-disk structure.
++ * It's used at all the levels except the bottom.
++ */
++struct ext4_extent_idx
++ {
++ __u32 ei_block; /* index covers logical blocks from 'block' */
++ __u32 ei_leaf_lo; /* pointer to the physical block of the next *
++ * level. leaf or next index could be there */
++ __u16 ei_leaf_hi; /* high 16 bits of physical block */
++ __u16 ei_unused;
++ };
++
++/*
++ * Each block (leaves and indexes), even inode-stored has header.
++ */
++struct ext4_extent_header
++ {
++ __u16 eh_magic; /* probably will support different formats */
++ __u16 eh_entries; /* number of valid entries */
++ __u16 eh_max; /* capacity of store in entries */
++ __u16 eh_depth; /* has tree real underlying blocks? */
++ __u32 eh_generation; /* generation of the tree */
++ };
++
++#define EXT4_EXT_MAGIC (0xf30a)
++#define EXT_FIRST_EXTENT(__hdr__) \
++ ((struct ext4_extent *) (((char *) (__hdr__)) + \
++ sizeof(struct ext4_extent_header)))
++#define EXT_FIRST_INDEX(__hdr__) \
++ ((struct ext4_extent_idx *) (((char *) (__hdr__)) + \
++ sizeof(struct ext4_extent_header)))
++#define EXT_LAST_EXTENT(__hdr__) \
++ (EXT_FIRST_EXTENT((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1)
++#define EXT_LAST_INDEX(__hdr__) \
++ (EXT_FIRST_INDEX((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1)
++
++
++
+ /* linux/ext2fs.h */
+ /*
+ * EXT2_DIR_PAD defines the directory entries boundaries
+@@ -218,13 +345,30 @@
+ #define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32))
+ #define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s)))
+
++#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */
++#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */
++#define EXT2_GOOD_OLD_INODE_SIZE 128
++#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \
++ EXT2_GOOD_OLD_INODE_SIZE : \
++ (s)->s_inode_size)
++#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s))
++
+ /* linux/ext2_fs.h */
+ #define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
+ /* kind of from ext2/super.c */
+ #define EXT2_BLOCK_SIZE(s) (1 << EXT2_BLOCK_SIZE_BITS(s))
+ /* linux/ext2fs.h */
++/* sizeof(struct ext2_group_desc) is changed in ext4
++ * in kernel code, ext2/3 uses sizeof(struct ext2_group_desc) to calculate
++ * number of desc per block, while ext4 uses superblock->s_desc_size in stead
++ * superblock->s_desc_size is not available in ext2/3
++ * */
++#define EXT2_DESC_SIZE(s) \
++ (EXT4_HAS_INCOMPAT_FEATURE(s,EXT4_FEATURE_INCOMPAT_64BIT)? \
++ s->s_desc_size : EXT4_MIN_DESC_SIZE)
+ #define EXT2_DESC_PER_BLOCK(s) \
+- (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc))
++ (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s))
++
+ /* linux/stat.h */
+ #define S_IFMT 00170000
+ #define S_IFLNK 0120000
+@@ -386,6 +530,122 @@
+ [logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)];
+ }
+
++/* extent binary search index
++ * find closest index in the current level extent tree
++ * kind of from ext4_ext_binsearch_idx in ext4/extents.c
++ */
++static struct ext4_extent_idx*
++ext4_ext_binsearch_idx(struct ext4_extent_header* eh, int logical_block)
++{
++ struct ext4_extent_idx *r, *l, *m;
++ l = EXT_FIRST_INDEX(eh) + 1;
++ r = EXT_LAST_INDEX(eh);
++ while (l <= r)
++ {
++ m = l + (r - l) / 2;
++ if (logical_block < m->ei_block)
++ r = m - 1;
++ else
++ l = m + 1;
++ }
++ return (struct ext4_extent_idx*)(l - 1);
++}
++
++/* extent binary search
++ * find closest extent in the leaf level
++ * kind of from ext4_ext_binsearch in ext4/extents.c
++ */
++static struct ext4_extent*
++ext4_ext_binsearch(struct ext4_extent_header* eh, int logical_block)
++{
++ struct ext4_extent *r, *l, *m;
++ l = EXT_FIRST_EXTENT(eh) + 1;
++ r = EXT_LAST_EXTENT(eh);
++ while (l <= r)
++ {
++ m = l + (r - l) / 2;
++ if (logical_block < m->ee_block)
++ r = m - 1;
++ else
++ l = m + 1;
++ }
++ return (struct ext4_extent*)(l - 1);
++}
++
++/* Maps extents enabled logical block into physical block via an inode.
++ * EXT4_HUGE_FILE_FL should be checked before calling this.
++ */
++static int
++ext4fs_block_map (int logical_block)
++{
++ struct ext4_extent_header *eh;
++ struct ext4_extent *ex, *extent;
++ struct ext4_extent_idx *ei, *index;
++ int depth;
++ int i;
++
++#ifdef E2DEBUG
++ unsigned char *i;
++ for (i = (unsigned char *) INODE;
++ i < ((unsigned char *) INODE + sizeof (struct ext2_inode));
++ i++)
++ {
++ printf ("%c", "0123456789abcdef"[*i >> 4]);
++ printf ("%c", "0123456789abcdef"[*i % 16]);
++ if (!((i + 1 - (unsigned char *) INODE) % 16))
++ {
++ printf ("\n");
++ }
++ else
++ {
++ printf (" ");
++ }
++ }
++ printf ("logical block %d\n", logical_block);
++#endif /* E2DEBUG */
++ eh = (struct ext4_extent_header*)INODE->i_block;
++ if (eh->eh_magic != EXT4_EXT_MAGIC)
++ {
++ errnum = ERR_FSYS_CORRUPT;
++ return -1;
++ }
++ while((depth = eh->eh_depth) != 0)
++ { /* extent index */
++ if (eh->eh_magic != EXT4_EXT_MAGIC)
++ {
++ errnum = ERR_FSYS_CORRUPT;
++ return -1;
++ }
++ ei = ext4_ext_binsearch_idx(eh, logical_block);
++ if (ei->ei_leaf_hi)
++ {/* 64bit physical block number not supported */
++ errnum = ERR_FILELENGTH;
++ return -1;
++ }
++ if (!ext2_rdfsb(ei->ei_leaf_lo, DATABLOCK1))
++ {
++ errnum = ERR_FSYS_CORRUPT;
++ return -1;
++ }
++ eh = (struct ext4_extent_header*)DATABLOCK1;
++ }
++
++ /* depth==0, we come to the leaf */
++ ex = ext4_ext_binsearch(eh, logical_block);
++ if (ex->ee_start_hi)
++ {/* 64bit physical block number not supported */
++ errnum = ERR_FILELENGTH;
++ return -1;
++ }
++ if ((ex->ee_block + ex->ee_len) < logical_block)
++ {
++ errnum = ERR_FSYS_CORRUPT;
++ return -1;
++ }
++ return ex->ee_start_lo + logical_block - ex->ee_block;
++
++}
++
+ /* preconditions: all preconds of ext2fs_block_map */
+ int
+ ext2fs_read (char *buf, int len)
+@@ -420,6 +680,11 @@
+ /* find the (logical) block component of our location */
+ logical_block = filepos >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK);
+ offset = filepos & (EXT2_BLOCK_SIZE (SUPERBLOCK) - 1);
++ /* map extents enabled logical block number to physical fs on-dick block number */
++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS)
++ && INODE->i_flags & EXT4_EXTENTS_FL)
++ map = ext4fs_block_map (logical_block);
++ else
+ map = ext2fs_block_map (logical_block);
+ #ifdef E2DEBUG
+ printf ("map=%d\n", map);
+@@ -504,7 +769,7 @@
+ int desc; /* index within that group */
+ int ino_blk; /* fs pointer of the inode's information */
+ int str_chk = 0; /* used to hold the results of a string compare */
+- struct ext2_group_desc *gdp;
++ struct ext4_group_desc *ext4_gdp;
+ struct ext2_inode *raw_inode; /* inode info corresponding to current_ino */
+
+ char linkbuf[PATH_MAX]; /* buffer for following symbolic links */
+@@ -550,10 +815,17 @@
+ {
+ return 0;
+ }
+- gdp = GROUP_DESC;
+- ino_blk = gdp[desc].bg_inode_table +
++ ext4_gdp = (struct ext4_group_desc *)( (__u8*)GROUP_DESC +
++ desc * EXT2_DESC_SIZE(SUPERBLOCK));
++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK, EXT4_FEATURE_INCOMPAT_64BIT)
++ && (! ext4_gdp->bg_inode_table_hi))
++ {/* 64bit itable not supported */
++ errnum = ERR_FILELENGTH;
++ return -1;
++ }
++ ino_blk = ext4_gdp->bg_inode_table +
+ (((current_ino - 1) % (SUPERBLOCK->s_inodes_per_group))
+- >> log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)));
++ >> log2 (EXT2_INODES_PER_BLOCK (SUPERBLOCK)));
+ #ifdef E2DEBUG
+ printf ("inode table fsblock=%d\n", ino_blk);
+ #endif /* E2DEBUG */
+@@ -565,13 +837,12 @@
+ /* reset indirect blocks! */
+ mapblock2 = mapblock1 = -1;
+
+- raw_inode = INODE +
+- ((current_ino - 1)
+- & (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode) - 1));
++ raw_inode = (struct ext2_inode *)((char *)INODE +
++ ((current_ino - 1) & (EXT2_INODES_PER_BLOCK (SUPERBLOCK) - 1)) *
++ EXT2_INODE_SIZE (SUPERBLOCK));
+ #ifdef E2DEBUG
+ printf ("ipb=%d, sizeof(inode)=%d\n",
+- (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)),
+- sizeof (struct ext2_inode));
++ EXT2_INODES_PER_BLOCK (SUPERBLOCK), EXT2_INODE_SIZE (SUPERBLOCK));
+ printf ("inode=%x, raw_inode=%x\n", INODE, raw_inode);
+ printf ("offset into inode table block=%d\n", (int) raw_inode - (int) INODE);
+ for (i = (unsigned char *) INODE; i <= (unsigned char *) raw_inode;
+@@ -629,7 +900,10 @@
+ }
+ linkbuf[filemax + len] = '\0';
+
+- /* Read the symlink data. */
++ /* Read the symlink data.
++ * Slow symlink is extents enabled
++ * But since grub_read invokes ext2fs_read, nothing to change here
++ * */
+ if (! ext2_is_fast_symlink ())
+ {
+ /* Read the necessary blocks, and reset the file pointer. */
+@@ -640,7 +914,9 @@
+ }
+ else
+ {
+- /* Copy the data directly from the inode. */
++ /* Copy the data directly from the inode.
++ * Fast symlink is not extents enabled
++ * */
+ len = filemax;
+ memmove (linkbuf, (char *) INODE->i_block, len);
+ }
+@@ -674,6 +950,13 @@
+ errnum = ERR_BAD_FILETYPE;
+ return 0;
+ }
++ /* if file is too large, just stop and report an error*/
++ if ( (INODE->i_flags & EXT4_HUGE_FILE_FL) && !(INODE->i_size_high))
++ {
++ /* file too large, stop reading */
++ errnum = ERR_FILELENGTH;
++ return 0;
++ }
+
+ filemax = (INODE->i_size);
+ return 1;
+@@ -728,17 +1011,28 @@
+ }
+
+ /* else, find the (logical) block component of our location */
++ /* ext4 logical block number the same as ext2/3 */
+ blk = loc >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK);
+
+ /* we know which logical block of the directory entry we are looking
+ for, now we have to translate that to the physical (fs) block on
+ the disk */
++ /* map extents enabled logical block number to physical fs on-dick block number */
++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS)
++ && INODE->i_flags & EXT4_EXTENTS_FL)
++ map = ext4fs_block_map (blk);
++ else
+ map = ext2fs_block_map (blk);
+ #ifdef E2DEBUG
+ printf ("fs block=%d\n", map);
+ #endif /* E2DEBUG */
+ mapblock2 = -1;
+- if ((map < 0) || !ext2_rdfsb (map, DATABLOCK2))
++ if (map < 0)
++ {
++ *rest = ch;
++ return 0;
++ }
++ if (!ext2_rdfsb (map, DATABLOCK2))
+ {
+ errnum = ERR_FSYS_CORRUPT;
+ *rest = ch;
+diff -Nur grub-0.97/stage2/gpt.h grub-0.97-patched/stage2/gpt.h
+--- grub-0.97/stage2/gpt.h 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/gpt.h 2012-11-11 17:07:12.697728638 +0100
+@@ -0,0 +1,68 @@
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 2002,2005,2006 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#ifndef _GPT_H
++#define _GPT_H
++
++typedef signed char grub_int8_t;
++typedef signed short grub_int16_t;
++typedef signed int grub_int32_t;
++typedef signed long long int grub_int64_t;
++typedef unsigned char grub_uint8_t;
++typedef unsigned short grub_uint16_t;
++typedef unsigned int grub_uint32_t;
++typedef unsigned long long int grub_uint64_t;
++
++struct grub_gpt_header
++{
++ grub_uint64_t magic;
++ grub_uint32_t version;
++ grub_uint32_t headersize;
++ grub_uint32_t crc32;
++ grub_uint32_t unused1;
++ grub_uint64_t primary;
++ grub_uint64_t backup;
++ grub_uint64_t start;
++ grub_uint64_t end;
++ grub_uint8_t guid[16];
++ grub_uint64_t partitions;
++ grub_uint32_t maxpart;
++ grub_uint32_t partentry_size;
++ grub_uint32_t partentry_crc32;
++} __attribute__ ((packed));
++
++struct grub_gpt_partentry
++{
++ grub_uint64_t type1;
++ grub_uint64_t type2;
++ grub_uint8_t guid[16];
++ grub_uint64_t start;
++ grub_uint64_t end;
++ grub_uint8_t attrib;
++ char name[72];
++} __attribute__ ((packed));
++
++#define GPT_HEADER_MAGIC 0x5452415020494645UL
++
++#define GPT_ENTRY_SECTOR(size,entry) \
++ ((((entry) * (size) + 1) & ~(SECTOR_SIZE - 1)) >> SECTOR_BITS)
++#define GPT_ENTRY_INDEX(size,entry) \
++ ((((entry) * (size) + 1) & (SECTOR_SIZE - 1)) - 1)
++
++#endif /* _GPT_H */
+diff -Nur grub-0.97/stage2/graphics.c grub-0.97-patched/stage2/graphics.c
+--- grub-0.97/stage2/graphics.c 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/graphics.c 2012-11-11 17:06:33.320470847 +0100
+@@ -0,0 +1,563 @@
++/* graphics.c - graphics mode support for GRUB */
++/* Implemented as a terminal type by Jeremy Katz <katzj(a)redhat.com> based
++ * on a patch by Paulo César Pereira de Andrade <pcpa(a)conectiva.com.br>
++ */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 2001,2002 Red Hat, Inc.
++ * Portions copyright (C) 2000 Conectiva, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++
++
++#ifdef SUPPORT_GRAPHICS
++
++#include <term.h>
++#include <shared.h>
++#include <graphics.h>
++
++int saved_videomode;
++unsigned char *font8x16;
++
++int graphics_inited = 0;
++static char splashimage[64];
++
++#define VSHADOW VSHADOW1
++unsigned char VSHADOW1[38400];
++unsigned char VSHADOW2[38400];
++unsigned char VSHADOW4[38400];
++unsigned char VSHADOW8[38400];
++
++/* constants to define the viewable area */
++const int x0 = 0;
++const int x1 = 80;
++const int y0 = 0;
++const int y1 = 30;
++
++/* text buffer has to be kept around so that we can write things as we
++ * scroll and the like */
++unsigned short text[80 * 30];
++
++/* why do these have to be kept here? */
++int foreground = (63 << 16) | (63 << 8) | (63), background = 0, border = 0;
++
++/* current position */
++static int fontx = 0;
++static int fonty = 0;
++
++/* global state so that we don't try to recursively scroll or cursor */
++static int no_scroll = 0;
++
++/* color state */
++static int graphics_standard_color = A_NORMAL;
++static int graphics_normal_color = A_NORMAL;
++static int graphics_highlight_color = A_REVERSE;
++static int graphics_current_color = A_NORMAL;
++static color_state graphics_color_state = COLOR_STATE_STANDARD;
++
++
++/* graphics local functions */
++static void graphics_setxy(int col, int row);
++static void graphics_scroll();
++
++/* FIXME: where do these really belong? */
++static inline void outb(unsigned short port, unsigned char val)
++{
++ __asm __volatile ("outb %0,%1"::"a" (val), "d" (port));
++}
++
++static void MapMask(int value) {
++ outb(0x3c4, 2);
++ outb(0x3c5, value);
++}
++
++/* bit mask register */
++static void BitMask(int value) {
++ outb(0x3ce, 8);
++ outb(0x3cf, value);
++}
++
++
++
++/* Set the splash image */
++void graphics_set_splash(char *splashfile) {
++ grub_strcpy(splashimage, splashfile);
++}
++
++/* Get the current splash image */
++char *graphics_get_splash(void) {
++ return splashimage;
++}
++
++/* Initialize a vga16 graphics display with the palette based off of
++ * the image in splashimage. If the image doesn't exist, leave graphics
++ * mode. */
++int graphics_init()
++{
++ if(!grub_file_exists(splashimage)) {
++ return 0;
++ }
++
++ if (!graphics_inited) {
++ saved_videomode = set_videomode(0x12);
++ }
++
++ if (!read_image(splashimage)) {
++ set_videomode(saved_videomode);
++ grub_printf("failed to read image\n");
++ return 0;
++ }
++
++ font8x16 = (unsigned char*)graphics_get_font();
++
++ graphics_inited = 1;
++
++ /* make sure that the highlight color is set correctly */
++ graphics_highlight_color = ((graphics_normal_color >> 4) |
++ ((graphics_normal_color & 0xf) << 4));
++
++ return 1;
++}
++
++/* Leave graphics mode */
++void graphics_end(void)
++{
++ if (graphics_inited) {
++ set_videomode(saved_videomode);
++ graphics_inited = 0;
++ }
++}
++
++/* Print ch on the screen. Handle any needed scrolling or the like */
++void graphics_putchar(int ch) {
++ ch &= 0xff;
++
++ graphics_cursor(0);
++
++ if (ch == '\n') {
++ if (fonty + 1 < y1)
++ graphics_setxy(fontx, fonty + 1);
++ else
++ graphics_scroll();
++ graphics_cursor(1);
++ return;
++ } else if (ch == '\r') {
++ graphics_setxy(x0, fonty);
++ graphics_cursor(1);
++ return;
++ }
++
++ graphics_cursor(0);
++
++ text[fonty * 80 + fontx] = ch;
++ text[fonty * 80 + fontx] &= 0x00ff;
++ if (graphics_current_color & 0xf0)
++ text[fonty * 80 + fontx] |= 0x100;
++
++ graphics_cursor(0);
++
++ if ((fontx + 1) >= x1) {
++ graphics_setxy(x0, fonty);
++ if (fonty + 1 < y1)
++ graphics_setxy(x0, fonty + 1);
++ else
++ graphics_scroll();
++ } else {
++ graphics_setxy(fontx + 1, fonty);
++ }
++
++ graphics_cursor(1);
++}
++
++/* get the current location of the cursor */
++int graphics_getxy(void) {
++ return (fontx << 8) | fonty;
++}
++
++void graphics_gotoxy(int x, int y) {
++ graphics_cursor(0);
++
++ graphics_setxy(x, y);
++
++ graphics_cursor(1);
++}
++
++void graphics_cls(void) {
++ int i;
++ unsigned char *mem, *s1, *s2, *s4, *s8;
++
++ graphics_cursor(0);
++ graphics_gotoxy(x0, y0);
++
++ mem = (unsigned char*)VIDEOMEM;
++ s1 = (unsigned char*)VSHADOW1;
++ s2 = (unsigned char*)VSHADOW2;
++ s4 = (unsigned char*)VSHADOW4;
++ s8 = (unsigned char*)VSHADOW8;
++
++ for (i = 0; i < 80 * 30; i++)
++ text[i] = ' ';
++ graphics_cursor(1);
++
++ BitMask(0xff);
++
++ /* plano 1 */
++ MapMask(1);
++ grub_memcpy(mem, s1, 38400);
++
++ /* plano 2 */
++ MapMask(2);
++ grub_memcpy(mem, s2, 38400);
++
++ /* plano 3 */
++ MapMask(4);
++ grub_memcpy(mem, s4, 38400);
++
++ /* plano 4 */
++ MapMask(8);
++ grub_memcpy(mem, s8, 38400);
++
++ MapMask(15);
++
++}
++
++void graphics_setcolorstate (color_state state) {
++ switch (state) {
++ case COLOR_STATE_STANDARD:
++ graphics_current_color = graphics_standard_color;
++ break;
++ case COLOR_STATE_NORMAL:
++ graphics_current_color = graphics_normal_color;
++ break;
++ case COLOR_STATE_HIGHLIGHT:
++ graphics_current_color = graphics_highlight_color;
++ break;
++ default:
++ graphics_current_color = graphics_standard_color;
++ break;
++ }
++
++ graphics_color_state = state;
++}
++
++void graphics_setcolor (int normal_color, int highlight_color) {
++ graphics_normal_color = normal_color;
++ graphics_highlight_color = highlight_color;
++
++ graphics_setcolorstate (graphics_color_state);
++}
++
++void graphics_setcursor (int on) {
++ /* FIXME: we don't have a cursor in graphics */
++ return;
++}
++
++/* Read in the splashscreen image and set the palette up appropriately.
++ * Format of splashscreen is an xpm (can be gzipped) with 16 colors and
++ * 640x480. */
++int read_image(char *s)
++{
++ char buf[32], pal[16];
++ unsigned char c, base, mask, *s1, *s2, *s4, *s8;
++ unsigned i, len, idx, colors, x, y, width, height;
++
++ if (!grub_open(s))
++ return 0;
++
++ /* read header */
++ if (!grub_read((char*)&buf, 10) || grub_memcmp(buf, "/* XPM */\n", 10)) {
++ grub_close();
++ return 0;
++ }
++
++ /* parse info */
++ while (grub_read(&c, 1)) {
++ if (c == '"')
++ break;
++ }
++
++ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
++ ;
++
++ i = 0;
++ width = c - '0';
++ while (grub_read(&c, 1)) {
++ if (c >= '0' && c <= '9')
++ width = width * 10 + c - '0';
++ else
++ break;
++ }
++ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
++ ;
++
++ height = c - '0';
++ while (grub_read(&c, 1)) {
++ if (c >= '0' && c <= '9')
++ height = height * 10 + c - '0';
++ else
++ break;
++ }
++ while (grub_read(&c, 1) && (c == ' ' || c == '\t'))
++ ;
++
++ colors = c - '0';
++ while (grub_read(&c, 1)) {
++ if (c >= '0' && c <= '9')
++ colors = colors * 10 + c - '0';
++ else
++ break;
++ }
++
++ base = 0;
++ while (grub_read(&c, 1) && c != '"')
++ ;
++
++ /* palette */
++ for (i = 0, idx = 1; i < colors; i++) {
++ len = 0;
++
++ while (grub_read(&c, 1) && c != '"')
++ ;
++ grub_read(&c, 1); /* char */
++ base = c;
++ grub_read(buf, 4); /* \t c # */
++
++ while (grub_read(&c, 1) && c != '"') {
++ if (len < sizeof(buf))
++ buf[len++] = c;
++ }
++
++ if (len == 6 && idx < 15) {
++ int r = ((hex(buf[0]) << 4) | hex(buf[1])) >> 2;
++ int g = ((hex(buf[2]) << 4) | hex(buf[3])) >> 2;
++ int b = ((hex(buf[4]) << 4) | hex(buf[5])) >> 2;
++
++ pal[idx] = base;
++ graphics_set_palette(idx, r, g, b);
++ ++idx;
++ }
++ }
++
++ x = y = len = 0;
++
++ s1 = (unsigned char*)VSHADOW1;
++ s2 = (unsigned char*)VSHADOW2;
++ s4 = (unsigned char*)VSHADOW4;
++ s8 = (unsigned char*)VSHADOW8;
++
++ for (i = 0; i < 38400; i++)
++ s1[i] = s2[i] = s4[i] = s8[i] = 0;
++
++ /* parse xpm data */
++ while (y < height) {
++ while (1) {
++ if (!grub_read(&c, 1)) {
++ grub_close();
++ return 0;
++ }
++ if (c == '"')
++ break;
++ }
++
++ while (grub_read(&c, 1) && c != '"') {
++ for (i = 1; i < 15; i++)
++ if (pal[i] == c) {
++ c = i;
++ break;
++ }
++
++ mask = 0x80 >> (x & 7);
++ if (c & 1)
++ s1[len + (x >> 3)] |= mask;
++ if (c & 2)
++ s2[len + (x >> 3)] |= mask;
++ if (c & 4)
++ s4[len + (x >> 3)] |= mask;
++ if (c & 8)
++ s8[len + (x >> 3)] |= mask;
++
++ if (++x >= 640) {
++ x = 0;
++
++ if (y < 480)
++ len += 80;
++ ++y;
++ }
++ }
++ }
++
++ grub_close();
++
++ graphics_set_palette(0, (background >> 16), (background >> 8) & 63,
++ background & 63);
++ graphics_set_palette(15, (foreground >> 16), (foreground >> 8) & 63,
++ foreground & 63);
++ graphics_set_palette(0x11, (border >> 16), (border >> 8) & 63,
++ border & 63);
++
++ return 1;
++}
++
++
++/* Convert a character which is a hex digit to the appropriate integer */
++int hex(int v)
++{
++ if (v >= 'A' && v <= 'F')
++ return (v - 'A' + 10);
++ if (v >= 'a' && v <= 'f')
++ return (v - 'a' + 10);
++ return (v - '0');
++}
++
++
++/* move the graphics cursor location to col, row */
++static void graphics_setxy(int col, int row) {
++ if (col >= x0 && col < x1) {
++ fontx = col;
++ cursorX = col << 3;
++ }
++ if (row >= y0 && row < y1) {
++ fonty = row;
++ cursorY = row << 4;
++ }
++}
++
++/* scroll the screen */
++static void graphics_scroll() {
++ int i, j;
++
++ /* we don't want to scroll recursively... that would be bad */
++ if (no_scroll)
++ return;
++ no_scroll = 1;
++
++ /* move everything up a line */
++ for (j = y0 + 1; j < y1; j++) {
++ graphics_gotoxy(x0, j - 1);
++ for (i = x0; i < x1; i++) {
++ graphics_putchar(text[j * 80 + i]);
++ }
++ }
++
++ /* last line should be blank */
++ graphics_gotoxy(x0, y1 - 1);
++ for (i = x0; i < x1; i++)
++ graphics_putchar(' ');
++ graphics_setxy(x0, y1 - 1);
++
++ no_scroll = 0;
++}
++
++
++void graphics_cursor(int set) {
++ unsigned char *pat, *mem, *ptr, chr[16 << 2];
++ int i, ch, invert, offset;
++
++ if (set && no_scroll)
++ return;
++
++ offset = cursorY * 80 + fontx;
++ ch = text[fonty * 80 + fontx] & 0xff;
++ invert = (text[fonty * 80 + fontx] & 0xff00) != 0;
++ pat = font8x16 + (ch << 4);
++
++ mem = (unsigned char*)VIDEOMEM + offset;
++
++ if (!set) {
++ for (i = 0; i < 16; i++) {
++ unsigned char mask = pat[i];
++
++ if (!invert) {
++ chr[i ] = ((unsigned char*)VSHADOW1)[offset];
++ chr[16 + i] = ((unsigned char*)VSHADOW2)[offset];
++ chr[32 + i] = ((unsigned char*)VSHADOW4)[offset];
++ chr[48 + i] = ((unsigned char*)VSHADOW8)[offset];
++
++ /* FIXME: if (shade) */
++ if (1) {
++ if (ch == DISP_VERT || ch == DISP_LL ||
++ ch == DISP_UR || ch == DISP_LR) {
++ unsigned char pmask = ~(pat[i] >> 1);
++
++ chr[i ] &= pmask;
++ chr[16 + i] &= pmask;
++ chr[32 + i] &= pmask;
++ chr[48 + i] &= pmask;
++ }
++ if (i > 0 && ch != DISP_VERT) {
++ unsigned char pmask = ~(pat[i - 1] >> 1);
++
++ chr[i ] &= pmask;
++ chr[16 + i] &= pmask;
++ chr[32 + i] &= pmask;
++ chr[48 + i] &= pmask;
++ if (ch == DISP_HORIZ || ch == DISP_UR || ch == DISP_LR) {
++ pmask = ~pat[i - 1];
++
++ chr[i ] &= pmask;
++ chr[16 + i] &= pmask;
++ chr[32 + i] &= pmask;
++ chr[48 + i] &= pmask;
++ }
++ }
++ }
++ chr[i ] |= mask;
++ chr[16 + i] |= mask;
++ chr[32 + i] |= mask;
++ chr[48 + i] |= mask;
++
++ offset += 80;
++ }
++ else {
++ chr[i ] = mask;
++ chr[16 + i] = mask;
++ chr[32 + i] = mask;
++ chr[48 + i] = mask;
++ }
++ }
++ }
++ else {
++ MapMask(15);
++ ptr = mem;
++ for (i = 0; i < 16; i++, ptr += 80) {
++ cursorBuf[i] = pat[i];
++ *ptr = ~pat[i];
++ }
++ return;
++ }
++
++ offset = 0;
++ for (i = 1; i < 16; i <<= 1, offset += 16) {
++ int j;
++
++ MapMask(i);
++ ptr = mem;
++ for (j = 0; j < 16; j++, ptr += 80)
++ *ptr = chr[j + offset];
++ }
++
++ MapMask(15);
++}
++
++int grub_file_exists(char *s) {
++ if (!grub_open(s))
++ return 0;
++ grub_close();
++ return 1;
++}
++
++#endif /* SUPPORT_GRAPHICS */
+diff -Nur grub-0.97/stage2/graphics.h grub-0.97-patched/stage2/graphics.h
+--- grub-0.97/stage2/graphics.h 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/graphics.h 2012-11-11 17:06:33.321470879 +0100
+@@ -0,0 +1,45 @@
++/* graphics.h - graphics console interface */
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 2002 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#ifndef GRAPHICS_H
++#define GRAPHICS_H
++
++/* magic constant */
++#define VIDEOMEM 0xA0000
++
++/* function prototypes */
++char *graphics_get_splash(void);
++
++int read_image(char *s);
++void graphics_cursor(int set);
++
++/* function prototypes for asm functions */
++void * graphics_get_font();
++void graphics_set_palette(int idx, int red, int green, int blue);
++void set_int1c_handler();
++void unset_int1c_handler();
++
++/* Only to check for safe opening before we start */
++int grub_file_exists(char *s);
++
++extern short cursorX, cursorY;
++extern char cursorBuf[16];
++
++#endif /* GRAPHICS_H */
+diff -Nur grub-0.97/stage2/iso9660.h grub-0.97-patched/stage2/iso9660.h
+--- grub-0.97/stage2/iso9660.h 2004-03-27 17:02:38.000000000 +0100
++++ grub-0.97-patched/stage2/iso9660.h 2012-11-11 17:07:12.740730013 +0100
+@@ -73,11 +73,11 @@
+
+ typedef struct __iso_16bit {
+ u_int16_t l, b;
+-} iso_16bit_t __attribute__ ((packed));
++} iso_16bit_t;
+
+ typedef struct __iso_32bit {
+ u_int32_t l, b;
+-} iso_32bit_t __attribute__ ((packed));
++} iso_32bit_t;
+
+ typedef u_int8_t iso_date_t[7];
+
+diff -Nur grub-0.97/stage2/Makefile.am grub-0.97-patched/stage2/Makefile.am
+--- grub-0.97/stage2/Makefile.am 2005-02-02 21:37:35.000000000 +0100
++++ grub-0.97-patched/stage2/Makefile.am 2012-11-11 17:07:12.747730236 +0100
+@@ -7,7 +7,7 @@
+ fat.h filesys.h freebsd.h fs.h hercules.h i386-elf.h \
+ imgact_aout.h iso9660.h jfs.h mb_header.h mb_info.h md5.h \
+ nbi.h pc_slice.h serial.h shared.h smp-imps.h term.h \
+- terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h
++ terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h graphics.h
+ EXTRA_DIST = setjmp.S apm.S $(noinst_SCRIPTS)
+
+ # For <stage1.h>.
+@@ -19,20 +19,20 @@
+ disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \
+ fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_ufs2.c \
+ fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c stage2.c \
+- terminfo.c tparm.c
+-libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \
++ terminfo.c tparm.c graphics.c
++libgrub_a_CFLAGS = $(GRUB_CFLAGS) -fno-stack-protector -I$(top_srcdir)/lib \
+ -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
+ -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \
+ -DFSYS_UFS2=1 -DFSYS_VSTAFS=1 -DFSYS_XFS=1 \
+ -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1
+
+ # Stage 2 and Stage 1.5's.
+-pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
++stagedir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
+
+ EXTRA_PROGRAMS = nbloader.exec pxeloader.exec diskless.exec
+
+ if DISKLESS_SUPPORT
+-pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
++stage_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
+ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
+ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5 \
+ nbgrub pxegrub
+@@ -43,7 +43,7 @@
+ reiserfs_stage1_5.exec ufs2_stage1_5.exec vstafs_stage1_5.exec \
+ xfs_stage1_5.exec nbloader.exec pxeloader.exec diskless.exec
+ else
+-pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
++stage_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
+ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
+ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5
+ noinst_DATA = pre_stage2 start start_eltorito
+@@ -79,8 +79,14 @@
+ HERCULES_FLAGS =
+ endif
+
+-STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
+- $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS)
++if GRAPHICS_SUPPORT
++GRAPHICS_FLAGS = -DSUPPORT_GRAPHICS=1
++else
++GRAPHICS_FLAGS =
++endif
++
++STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-reorder-functions -fno-builtin -nostdinc \
++ $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS) $(GRAPHICS_FLAGS)
+
+ STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000
+ STAGE1_5_COMPILE = $(STAGE2_COMPILE) -DNO_DECOMPRESSION=1 -DSTAGE1_5=1
+@@ -90,7 +96,8 @@
+ cmdline.c common.c console.c disk_io.c fsys_ext2fs.c \
+ fsys_fat.c fsys_ffs.c fsys_iso9660.c fsys_jfs.c fsys_minix.c \
+ fsys_reiserfs.c fsys_ufs2.c fsys_vstafs.c fsys_xfs.c gunzip.c \
+- hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c
++ hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c \
++ graphics.c
+ pre_stage2_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
+ pre_stage2_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
+ pre_stage2_exec_LDFLAGS = $(PRE_STAGE2_LINK)
+@@ -105,7 +112,7 @@
+ BUILT_SOURCES = stage2_size.h
+ endif
+
+-CLEANFILES = $(pkglib_DATA) $(noinst_DATA) $(BUILT_SOURCES)
++CLEANFILES = $(stage_DATA) $(noinst_DATA) $(BUILT_SOURCES)
+
+ stage2_size.h: pre_stage2
+ -rm -f stage2_size.h
+diff -Nur grub-0.97/stage2/Makefile.am.orig grub-0.97-patched/stage2/Makefile.am.orig
+--- grub-0.97/stage2/Makefile.am.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/Makefile.am.orig 2005-02-02 21:37:35.000000000 +0100
+@@ -0,0 +1,272 @@
++# For test target.
++TESTS = size_test
++noinst_SCRIPTS = $(TESTS)
++
++# For dist target.
++noinst_HEADERS = apic.h defs.h dir.h disk_inode.h disk_inode_ffs.h \
++ fat.h filesys.h freebsd.h fs.h hercules.h i386-elf.h \
++ imgact_aout.h iso9660.h jfs.h mb_header.h mb_info.h md5.h \
++ nbi.h pc_slice.h serial.h shared.h smp-imps.h term.h \
++ terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h
++EXTRA_DIST = setjmp.S apm.S $(noinst_SCRIPTS)
++
++# For <stage1.h>.
++INCLUDES = -I$(top_srcdir)/stage1
++
++# The library for /sbin/grub.
++noinst_LIBRARIES = libgrub.a
++libgrub_a_SOURCES = boot.c builtins.c char_io.c cmdline.c common.c \
++ disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \
++ fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_ufs2.c \
++ fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c stage2.c \
++ terminfo.c tparm.c
++libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \
++ -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
++ -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \
++ -DFSYS_UFS2=1 -DFSYS_VSTAFS=1 -DFSYS_XFS=1 \
++ -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1
++
++# Stage 2 and Stage 1.5's.
++pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
++
++EXTRA_PROGRAMS = nbloader.exec pxeloader.exec diskless.exec
++
++if DISKLESS_SUPPORT
++pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
++ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
++ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5 \
++ nbgrub pxegrub
++noinst_DATA = pre_stage2 start start_eltorito nbloader pxeloader diskless
++noinst_PROGRAMS = pre_stage2.exec start.exec start_eltorito.exec \
++ e2fs_stage1_5.exec fat_stage1_5.exec ffs_stage1_5.exec \
++ iso9660_stage1_5.exec jfs_stage1_5.exec minix_stage1_5.exec \
++ reiserfs_stage1_5.exec ufs2_stage1_5.exec vstafs_stage1_5.exec \
++ xfs_stage1_5.exec nbloader.exec pxeloader.exec diskless.exec
++else
++pkglib_DATA = stage2 stage2_eltorito e2fs_stage1_5 fat_stage1_5 \
++ ffs_stage1_5 iso9660_stage1_5 jfs_stage1_5 minix_stage1_5 \
++ reiserfs_stage1_5 ufs2_stage1_5 vstafs_stage1_5 xfs_stage1_5
++noinst_DATA = pre_stage2 start start_eltorito
++noinst_PROGRAMS = pre_stage2.exec start.exec start_eltorito.exec \
++ e2fs_stage1_5.exec fat_stage1_5.exec ffs_stage1_5.exec \
++ iso9660_stage1_5.exec jfs_stage1_5.exec minix_stage1_5.exec \
++ reiserfs_stage1_5.exec ufs2_stage1_5.exec vstafs_stage1_5.exec \
++ xfs_stage1_5.exec
++endif
++MOSTLYCLEANFILES = $(noinst_PROGRAMS)
++
++PRE_STAGE2_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8200
++START_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,8000
++NBLOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,0
++PXELOADER_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
++START_ELTORITO_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,7C00
++
++if NETBOOT_SUPPORT
++NETBOOT_FLAGS = -I$(top_srcdir)/netboot -DSUPPORT_NETBOOT=1
++else
++NETBOOT_FLAGS =
++endif
++
++if SERIAL_SUPPORT
++SERIAL_FLAGS = -DSUPPORT_SERIAL=1
++else
++SERIAL_FLAGS =
++endif
++
++if HERCULES_SUPPORT
++HERCULES_FLAGS = -DSUPPORT_HERCULES=1
++else
++HERCULES_FLAGS =
++endif
++
++STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \
++ $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS)
++
++STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000
++STAGE1_5_COMPILE = $(STAGE2_COMPILE) -DNO_DECOMPRESSION=1 -DSTAGE1_5=1
++
++# For stage2 target.
++pre_stage2_exec_SOURCES = asm.S bios.c boot.c builtins.c char_io.c \
++ cmdline.c common.c console.c disk_io.c fsys_ext2fs.c \
++ fsys_fat.c fsys_ffs.c fsys_iso9660.c fsys_jfs.c fsys_minix.c \
++ fsys_reiserfs.c fsys_ufs2.c fsys_vstafs.c fsys_xfs.c gunzip.c \
++ hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c
++pre_stage2_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
++pre_stage2_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS)
++pre_stage2_exec_LDFLAGS = $(PRE_STAGE2_LINK)
++
++if NETBOOT_SUPPORT
++pre_stage2_exec_LDADD = ../netboot/libdrivers.a
++endif
++
++if DISKLESS_SUPPORT
++BUILT_SOURCES = stage2_size.h diskless_size.h
++else
++BUILT_SOURCES = stage2_size.h
++endif
++
++CLEANFILES = $(pkglib_DATA) $(noinst_DATA) $(BUILT_SOURCES)
++
++stage2_size.h: pre_stage2
++ -rm -f stage2_size.h
++ set dummy `ls -l pre_stage2`; \
++ echo "#define STAGE2_SIZE $$6" > stage2_size.h
++
++start_exec_SOURCES = start.S
++start_exec_CCASFLAGS = $(STAGE2_COMPILE)
++start_exec_LDFLAGS = $(START_LINK)
++
++# XXX: automake doesn't provide a way to specify dependencies for object
++# files explicitly, so we must write this by a general Makefile scheme.
++# If automake change the naming scheme for per-executable objects, this
++# will be broken.
++start_exec-start.$(OBJEXT): stage2_size.h
++
++stage2: pre_stage2 start
++ -rm -f stage2
++ cat start pre_stage2 > stage2
++
++start_eltorito_exec_SOURCES = start_eltorito.S
++start_eltorito_exec_CCASFLAGS = $(STAGE2_COMPILE)
++start_eltorito_exec_LDFLAGS = $(START_ELTORITO_LINK)
++
++start_eltorito_exec-start.$(OBJEXT): stage2_size.h
++
++stage2_eltorito: pre_stage2 start_eltorito
++ -rm -f stage2_eltorito
++ cat start_eltorito pre_stage2 > stage2_eltorito
++
++# For e2fs_stage1_5 target.
++e2fs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
++ stage1_5.c fsys_ext2fs.c bios.c
++e2fs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
++ -DNO_BLOCK_FILES=1
++e2fs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_EXT2FS=1 \
++ -DNO_BLOCK_FILES=1
++e2fs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For fat_stage1_5 target.
++fat_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
++ stage1_5.c fsys_fat.c bios.c
++fat_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
++ -DNO_BLOCK_FILES=1
++fat_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FAT=1 \
++ -DNO_BLOCK_FILES=1
++fat_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For ffs_stage1_5 target.
++ffs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
++ stage1_5.c fsys_ffs.c bios.c
++ffs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
++ -DNO_BLOCK_FILES=1
++ffs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_FFS=1 \
++ -DNO_BLOCK_FILES=1
++ffs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For ufs2_stage1_5 target.
++ufs2_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
++ stage1_5.c fsys_ufs2.c bios.c
++ufs2_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
++ -DNO_BLOCK_FILES=1
++ufs2_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_UFS2=1 \
++ -DNO_BLOCK_FILES=1
++ufs2_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For minix_stage1_5 target.
++minix_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c disk_io.c \
++ stage1_5.c fsys_minix.c bios.c
++minix_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
++ -DNO_BLOCK_FILES=1
++minix_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_MINIX=1 \
++ -DNO_BLOCK_FILES=1
++minix_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For reiserfs_stage1_5 target.
++reiserfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
++ disk_io.c stage1_5.c fsys_reiserfs.c bios.c
++reiserfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
++ -DNO_BLOCK_FILES=1
++reiserfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_REISERFS=1 \
++ -DNO_BLOCK_FILES=1
++reiserfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For vstafs_stage1_5 target.
++vstafs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
++ disk_io.c stage1_5.c fsys_vstafs.c bios.c
++vstafs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
++ -DNO_BLOCK_FILES=1
++vstafs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_VSTAFS=1 \
++ -DNO_BLOCK_FILES=1
++vstafs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For jfs_stage1_5 target.
++jfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
++ disk_io.c stage1_5.c fsys_jfs.c bios.c
++jfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
++ -DNO_BLOCK_FILES=1
++jfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_JFS=1 \
++ -DNO_BLOCK_FILES=1
++jfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For xfs_stage1_5 target.
++xfs_stage1_5_exec_SOURCES = start.S asm.S common.c char_io.c \
++ disk_io.c stage1_5.c fsys_xfs.c bios.c
++xfs_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
++ -DNO_BLOCK_FILES=1
++xfs_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_XFS=1 \
++ -DNO_BLOCK_FILES=1
++xfs_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For iso9660_stage1_5 target.
++iso9660_stage1_5_exec_SOURCES = start_eltorito.S asm.S common.c char_io.c \
++ disk_io.c stage1_5.c fsys_iso9660.c bios.c
++iso9660_stage1_5_exec_CFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
++ -DNO_BLOCK_FILES=1
++iso9660_stage1_5_exec_CCASFLAGS = $(STAGE1_5_COMPILE) -DFSYS_ISO9660=1 \
++ -DNO_BLOCK_FILES=1
++iso9660_stage1_5_exec_LDFLAGS = $(STAGE1_5_LINK)
++
++# For diskless target.
++diskless_exec_SOURCES = $(pre_stage2_exec_SOURCES)
++diskless_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
++ -DSUPPORT_DISKLESS=1
++diskless_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) \
++ -DSUPPORT_DISKLESS=1
++diskless_exec_LDFLAGS = $(PRE_STAGE2_LINK)
++diskless_exec_LDADD = ../netboot/libdrivers.a
++
++diskless_size.h: diskless
++ -rm -f $@
++ set dummy `ls -l $^`; \
++ echo "#define DISKLESS_SIZE $$6" > $@
++
++# For nbloader target.
++nbloader_exec_SOURCES = nbloader.S
++nbloader_exec_CCASFLAGS = $(STAGE2_COMPILE)
++nbloader_exec_LDFLAGS = $(NBLOADER_LINK)
++
++# XXX: See the comment for start_exec-start.o.
++nbloader_exec-nbloader.$(OBJEXT): diskless_size.h
++
++# For nbgrub target.
++nbgrub: nbloader diskless
++ -rm -f $@
++ cat $^ > $@
++
++# For pxeloader target.
++pxeloader_exec_SOURCES = pxeloader.S
++pxeloader_exec_CCASFLAGS = $(STAGE2_COMPILE)
++pxeloader_exec_LDFLAGS = $(PXELOADER_LINK)
++
++# XXX: See the comment for start_exec-start.o.
++pxeloader_exec-pxeloader.$(OBJEXT): diskless_size.h
++
++# For pxegrub target.
++pxegrub: pxeloader diskless
++ -rm -f $@
++ cat $^ > $@
++
++# General rule for making a raw binary.
++SUFFIXES = .exec
++.exec:
++ $(OBJCOPY) -O binary $< $@
+diff -Nur grub-0.97/stage2/pc_slice.h grub-0.97-patched/stage2/pc_slice.h
+--- grub-0.97/stage2/pc_slice.h 2003-07-09 13:45:53.000000000 +0200
++++ grub-0.97-patched/stage2/pc_slice.h 2012-11-11 17:07:12.698728671 +0100
+@@ -115,6 +115,7 @@
+ #define PC_SLICE_TYPE_LINUX_EXTENDED 0x85
+ #define PC_SLICE_TYPE_VSTAFS 0x9e
+ #define PC_SLICE_TYPE_DELL_UTIL 0xde
++#define PC_SLICE_TYPE_GPT 0xee
+ #define PC_SLICE_TYPE_LINUX_RAID 0xfd
+
+
+diff -Nur grub-0.97/stage2/shared.h grub-0.97-patched/stage2/shared.h
+--- grub-0.97/stage2/shared.h 2004-06-19 18:40:09.000000000 +0200
++++ grub-0.97-patched/stage2/shared.h 2012-11-11 17:07:12.741730044 +0100
+@@ -36,8 +36,8 @@
+
+ /* Maybe redirect memory requests through grub_scratch_mem. */
+ #ifdef GRUB_UTIL
+-extern char *grub_scratch_mem;
+-# define RAW_ADDR(x) ((x) + (int) grub_scratch_mem)
++extern void *grub_scratch_mem;
++# define RAW_ADDR(x) ((x) + (unsigned long) grub_scratch_mem)
+ # define RAW_SEG(x) (RAW_ADDR ((x) << 4) >> 4)
+ #else
+ # define RAW_ADDR(x) (x)
+@@ -161,7 +161,9 @@
+
+ #define LINUX_CL_OFFSET 0x9000
+ #define LINUX_CL_END_OFFSET 0x90FF
+-#define LINUX_SETUP_MOVE_SIZE 0x9100
++#define LINUX_CL_0202_PRM_OFFSET 0x9500
++#define LINUX_CL_0202_PRM_END_OFFSET 0x9FFF
++#define LINUX_SETUP_MOVE_SIZE 0xA000
+ #define LINUX_CL_MAGIC 0xA33F
+
+ /*
+@@ -499,7 +501,11 @@
+ unsigned char linear_reserved_field_position;
+ unsigned long max_pixel_clock;
+
+- unsigned char reserved3[189];
++ /* Reserved field to make structure to be 256 bytes long, VESA BIOS
++ Extension 3.0 Specification says to reserve 189 bytes here but
++ that doesn't make structure to be 256 bytes. So additional one is
++ added here. */
++ unsigned char reserved3[189 + 1];
+ } __attribute__ ((packed));
+
+
+@@ -807,7 +813,7 @@
+ /* Low-level disk I/O */
+ int get_diskinfo (int drive, struct geometry *geometry);
+ int biosdisk (int subfunc, int drive, struct geometry *geometry,
+- int sector, int nsec, int segment);
++ unsigned int sector, int nsec, int segment);
+ void stop_floppy (void);
+
+ /* Command-line interface functions. */
+@@ -871,6 +877,7 @@
+ int grub_tolower (int c);
+ int grub_isspace (int c);
+ int grub_strncat (char *s1, const char *s2, int n);
++void grub_memcpy(void *dest, const void *src, int len);
+ void *grub_memmove (void *to, const void *from, int len);
+ void *grub_memset (void *start, int c, int len);
+ int grub_strncat (char *s1, const char *s2, int n);
+@@ -911,7 +918,7 @@
+ int nul_terminate (char *str);
+ int get_based_digit (int c, int base);
+ int safe_parse_maxint (char **str_ptr, int *myint_ptr);
+-int memcheck (int start, int len);
++int memcheck (unsigned long start, unsigned long len);
+ void grub_putstr (const char *str);
+
+ #ifndef NO_DECOMPRESSION
+@@ -920,10 +927,10 @@
+ int gunzip_read (char *buf, int len);
+ #endif /* NO_DECOMPRESSION */
+
+-int rawread (int drive, int sector, int byte_offset, int byte_len, char *buf);
+-int devread (int sector, int byte_offset, int byte_len, char *buf);
+-int rawwrite (int drive, int sector, char *buf);
+-int devwrite (int sector, int sector_len, char *buf);
++int rawread (int drive, unsigned int sector, int byte_offset, int byte_len, char *buf);
++int devread (unsigned int sector, int byte_offset, int byte_len, char *buf);
++int rawwrite (int drive, unsigned int sector, char *buf);
++int devwrite (unsigned int sector, int sector_len, char *buf);
+
+ /* Parse a device string and initialize the global parameters. */
+ char *set_device (char *device);
+@@ -934,7 +941,9 @@
+ unsigned long *partition, int *type,
+ unsigned long *start, unsigned long *len,
+ unsigned long *offset, int *entry,
+- unsigned long *ext_offset, char *buf);
++ unsigned long *ext_offset,
++ unsigned long *gpt_offset, int *gpt_count,
++ int *gpt_size, char *buf);
+
+ /* Sets device to the one represented by the SAVED_* parameters. */
+ int make_saved_active (void);
+diff -Nur grub-0.97/stage2/size_test grub-0.97-patched/stage2/size_test
+--- grub-0.97/stage2/size_test 2004-05-14 21:30:52.000000000 +0200
++++ grub-0.97-patched/stage2/size_test 2012-11-11 17:06:52.554085177 +0100
+@@ -36,9 +36,9 @@
+ }
+
+ # The bootloader area of a FFS partition is 14 sectors.
+-check ffs_stage1_5 7168
+-
+-check ufs2_stage1_5 7168
++#check ffs_stage1_5 7168
++#
++#check ufs2_stage1_5 7168
+
+ # Stage 1.5 can be installed in the sectors immediately after MBR in the
+ # first cylinder, so the size is (63 - 1) sectors.
+diff -Nur grub-0.97/stage2/stage2.c grub-0.97-patched/stage2/stage2.c
+--- grub-0.97/stage2/stage2.c 2005-03-19 18:51:57.000000000 +0100
++++ grub-0.97-patched/stage2/stage2.c 2012-11-11 17:07:12.742730076 +0100
+@@ -233,6 +233,7 @@
+ {
+ int c, time1, time2 = -1, first_entry = 0;
+ char *cur_entry = 0;
++ struct term_entry *prev_term = NULL;
+
+ /*
+ * Main loop for menu UI.
+@@ -651,7 +652,10 @@
+ *(new_heap++) = 0;
+
+ if (config_entries)
+- run_menu (heap, NULL, new_num_entries, new_heap, 0);
++ {
++ current_entryno = first_entry + entryno;
++ run_menu (heap, NULL, new_num_entries, new_heap, 0);
++ }
+ else
+ {
+ cls ();
+@@ -714,6 +718,15 @@
+
+ cls ();
+ setcursor (1);
++ /* if our terminal needed initialization, we should shut it down
++ * before booting the kernel, but we want to save what it was so
++ * we can come back if needed */
++ prev_term = current_term;
++ if (current_term->shutdown)
++ {
++ (*current_term->shutdown)();
++ current_term = term_table; /* assumption: console is first */
++ }
+
+ while (1)
+ {
+@@ -727,7 +740,8 @@
+ cur_entry = get_entry (config_entries, first_entry + entryno, 1);
+
+ /* Set CURRENT_ENTRYNO for the command "savedefault". */
+- current_entryno = first_entry + entryno;
++ if (config_entries)
++ current_entryno = first_entry + entryno;
+
+ if (run_script (cur_entry, heap))
+ {
+@@ -748,6 +762,13 @@
+ break;
+ }
+
++ /* if we get back here, we should go back to what our term was before */
++ current_term = prev_term;
++ if (current_term->startup)
++ /* if our terminal fails to initialize, fall back to console since
++ * it should always work */
++ if ((*current_term->startup)() == 0)
++ current_term = term_table; /* we know that console is first */
+ show_menu = 1;
+ goto restart;
+ }
+@@ -1050,6 +1071,10 @@
+ while (is_preset);
+ }
+
++ /* go ahead and make sure the terminal is setup */
++ if (current_term->startup)
++ (*current_term->startup)();
++
+ if (! num_entries)
+ {
+ /* If no acceptable config file, goto command-line, starting
+diff -Nur grub-0.97/stage2/stage2.c.orig grub-0.97-patched/stage2/stage2.c.orig
+--- grub-0.97/stage2/stage2.c.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/stage2/stage2.c.orig 2005-03-19 18:51:57.000000000 +0100
+@@ -0,0 +1,1067 @@
++/*
++ * GRUB -- GRand Unified Bootloader
++ * Copyright (C) 2000,2001,2002,2004,2005 Free Software Foundation, Inc.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#include <shared.h>
++#include <term.h>
++
++grub_jmp_buf restart_env;
++
++#if defined(PRESET_MENU_STRING) || defined(SUPPORT_DISKLESS)
++
++# if defined(PRESET_MENU_STRING)
++static const char *preset_menu = PRESET_MENU_STRING;
++# elif defined(SUPPORT_DISKLESS)
++/* Execute the command "bootp" automatically. */
++static const char *preset_menu = "bootp\n";
++# endif /* SUPPORT_DISKLESS */
++
++static int preset_menu_offset;
++
++static int
++open_preset_menu (void)
++{
++#ifdef GRUB_UTIL
++ /* Unless the user explicitly requests to use the preset menu,
++ always opening the preset menu fails in the grub shell. */
++ if (! use_preset_menu)
++ return 0;
++#endif /* GRUB_UTIL */
++
++ preset_menu_offset = 0;
++ return preset_menu != 0;
++}
++
++static int
++read_from_preset_menu (char *buf, int maxlen)
++{
++ int len = grub_strlen (preset_menu + preset_menu_offset);
++
++ if (len > maxlen)
++ len = maxlen;
++
++ grub_memmove (buf, preset_menu + preset_menu_offset, len);
++ preset_menu_offset += len;
++
++ return len;
++}
++
++static void
++close_preset_menu (void)
++{
++ /* Disable the preset menu. */
++ preset_menu = 0;
++}
++
++#else /* ! PRESET_MENU_STRING && ! SUPPORT_DISKLESS */
++
++#define open_preset_menu() 0
++#define read_from_preset_menu(buf, maxlen) 0
++#define close_preset_menu()
++
++#endif /* ! PRESET_MENU_STRING && ! SUPPORT_DISKLESS */
++
++static char *
++get_entry (char *list, int num, int nested)
++{
++ int i;
++
++ for (i = 0; i < num; i++)
++ {
++ do
++ {
++ while (*(list++));
++ }
++ while (nested && *(list++));
++ }
++
++ return list;
++}
++
++/* Print an entry in a line of the menu box. */
++static void
++print_entry (int y, int highlight, char *entry)
++{
++ int x;
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_NORMAL);
++
++ if (highlight && current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_HIGHLIGHT);
++
++ gotoxy (2, y);
++ grub_putchar (' ');
++ for (x = 3; x < 75; x++)
++ {
++ if (*entry && x <= 72)
++ {
++ if (x == 72)
++ grub_putchar (DISP_RIGHT);
++ else
++ grub_putchar (*entry++);
++ }
++ else
++ grub_putchar (' ');
++ }
++ gotoxy (74, y);
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_STANDARD);
++}
++
++/* Print entries in the menu box. */
++static void
++print_entries (int y, int size, int first, int entryno, char *menu_entries)
++{
++ int i;
++
++ gotoxy (77, y + 1);
++
++ if (first)
++ grub_putchar (DISP_UP);
++ else
++ grub_putchar (' ');
++
++ menu_entries = get_entry (menu_entries, first, 0);
++
++ for (i = 0; i < size; i++)
++ {
++ print_entry (y + i + 1, entryno == i, menu_entries);
++
++ while (*menu_entries)
++ menu_entries++;
++
++ if (*(menu_entries - 1))
++ menu_entries++;
++ }
++
++ gotoxy (77, y + size);
++
++ if (*menu_entries)
++ grub_putchar (DISP_DOWN);
++ else
++ grub_putchar (' ');
++
++ gotoxy (74, y + entryno + 1);
++}
++
++static void
++print_entries_raw (int size, int first, char *menu_entries)
++{
++ int i;
++
++#define LINE_LENGTH 67
++
++ for (i = 0; i < LINE_LENGTH; i++)
++ grub_putchar ('-');
++ grub_putchar ('\n');
++
++ for (i = first; i < size; i++)
++ {
++ /* grub's printf can't %02d so ... */
++ if (i < 10)
++ grub_putchar (' ');
++ grub_printf ("%d: %s\n", i, get_entry (menu_entries, i, 0));
++ }
++
++ for (i = 0; i < LINE_LENGTH; i++)
++ grub_putchar ('-');
++ grub_putchar ('\n');
++
++#undef LINE_LENGTH
++}
++
++
++static void
++print_border (int y, int size)
++{
++ int i;
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_NORMAL);
++
++ gotoxy (1, y);
++
++ grub_putchar (DISP_UL);
++ for (i = 0; i < 73; i++)
++ grub_putchar (DISP_HORIZ);
++ grub_putchar (DISP_UR);
++
++ i = 1;
++ while (1)
++ {
++ gotoxy (1, y + i);
++
++ if (i > size)
++ break;
++
++ grub_putchar (DISP_VERT);
++ gotoxy (75, y + i);
++ grub_putchar (DISP_VERT);
++
++ i++;
++ }
++
++ grub_putchar (DISP_LL);
++ for (i = 0; i < 73; i++)
++ grub_putchar (DISP_HORIZ);
++ grub_putchar (DISP_LR);
++
++ if (current_term->setcolorstate)
++ current_term->setcolorstate (COLOR_STATE_STANDARD);
++}
++
++static void
++run_menu (char *menu_entries, char *config_entries, int num_entries,
++ char *heap, int entryno)
++{
++ int c, time1, time2 = -1, first_entry = 0;
++ char *cur_entry = 0;
++
++ /*
++ * Main loop for menu UI.
++ */
++
++restart:
++ /* Dumb terminal always use all entries for display
++ invariant for TERM_DUMB: first_entry == 0 */
++ if (! (current_term->flags & TERM_DUMB))
++ {
++ while (entryno > 11)
++ {
++ first_entry++;
++ entryno--;
++ }
++ }
++
++ /* If the timeout was expired or wasn't set, force to show the menu
++ interface. */
++ if (grub_timeout < 0)
++ show_menu = 1;
++
++ /* If SHOW_MENU is false, don't display the menu until ESC is pressed. */
++ if (! show_menu)
++ {
++ /* Get current time. */
++ while ((time1 = getrtsecs ()) == 0xFF)
++ ;
++
++ while (1)
++ {
++ /* Check if ESC is pressed. */
++ if (checkkey () != -1 && ASCII_CHAR (getkey ()) == '\e')
++ {
++ grub_timeout = -1;
++ show_menu = 1;
++ break;
++ }
++
++ /* If GRUB_TIMEOUT is expired, boot the default entry. */
++ if (grub_timeout >=0
++ && (time1 = getrtsecs ()) != time2
++ && time1 != 0xFF)
++ {
++ if (grub_timeout <= 0)
++ {
++ grub_timeout = -1;
++ goto boot_entry;
++ }
++
++ time2 = time1;
++ grub_timeout--;
++
++ /* Print a message. */
++ grub_printf ("\rPress `ESC' to enter the menu... %d ",
++ grub_timeout);
++ }
++ }
++ }
++
++ /* Only display the menu if the user wants to see it. */
++ if (show_menu)
++ {
++ init_page ();
++ setcursor (0);
++
++ if (current_term->flags & TERM_DUMB)
++ print_entries_raw (num_entries, first_entry, menu_entries);
++ else
++ print_border (3, 12);
++
++ grub_printf ("\n\
++ Use the %c and %c keys to select which entry is highlighted.\n",
++ DISP_UP, DISP_DOWN);
++
++ if (! auth && password)
++ {
++ printf ("\
++ Press enter to boot the selected OS or \'p\' to enter a\n\
++ password to unlock the next set of features.");
++ }
++ else
++ {
++ if (config_entries)
++ printf ("\
++ Press enter to boot the selected OS, \'e\' to edit the\n\
++ commands before booting, or \'c\' for a command-line.");
++ else
++ printf ("\
++ Press \'b\' to boot, \'e\' to edit the selected command in the\n\
++ boot sequence, \'c\' for a command-line, \'o\' to open a new line\n\
++ after (\'O\' for before) the selected line, \'d\' to remove the\n\
++ selected line, or escape to go back to the main menu.");
++ }
++
++ if (current_term->flags & TERM_DUMB)
++ grub_printf ("\n\nThe selected entry is %d ", entryno);
++ else
++ print_entries (3, 12, first_entry, entryno, menu_entries);
++ }
++
++ /* XX using RT clock now, need to initialize value */
++ while ((time1 = getrtsecs()) == 0xFF);
++
++ while (1)
++ {
++ /* Initialize to NULL just in case... */
++ cur_entry = NULL;
++
++ if (grub_timeout >= 0 && (time1 = getrtsecs()) != time2 && time1 != 0xFF)
++ {
++ if (grub_timeout <= 0)
++ {
++ grub_timeout = -1;
++ break;
++ }
++
++ /* else not booting yet! */
++ time2 = time1;
++
++ if (current_term->flags & TERM_DUMB)
++ grub_printf ("\r Entry %d will be booted automatically in %d seconds. ",
++ entryno, grub_timeout);
++ else
++ {
++ gotoxy (3, 22);
++ grub_printf ("The highlighted entry will be booted automatically in %d seconds. ",
++ grub_timeout);
++ gotoxy (74, 4 + entryno);
++ }
++
++ grub_timeout--;
++ }
++
++ /* Check for a keypress, however if TIMEOUT has been expired
++ (GRUB_TIMEOUT == -1) relax in GETKEY even if no key has been
++ pressed.
++ This avoids polling (relevant in the grub-shell and later on
++ in grub if interrupt driven I/O is done). */
++ if (checkkey () >= 0 || grub_timeout < 0)
++ {
++ /* Key was pressed, show which entry is selected before GETKEY,
++ since we're comming in here also on GRUB_TIMEOUT == -1 and
++ hang in GETKEY */
++ if (current_term->flags & TERM_DUMB)
++ grub_printf ("\r Highlighted entry is %d: ", entryno);
++
++ c = ASCII_CHAR (getkey ());
++
++ if (grub_timeout >= 0)
++ {
++ if (current_term->flags & TERM_DUMB)
++ grub_putchar ('\r');
++ else
++ gotoxy (3, 22);
++ printf (" ");
++ grub_timeout = -1;
++ fallback_entryno = -1;
++ if (! (current_term->flags & TERM_DUMB))
++ gotoxy (74, 4 + entryno);
++ }
++
++ /* We told them above (at least in SUPPORT_SERIAL) to use
++ '^' or 'v' so accept these keys. */
++ if (c == 16 || c == '^')
++ {
++ if (current_term->flags & TERM_DUMB)
++ {
++ if (entryno > 0)
++ entryno--;
++ }
++ else
++ {
++ if (entryno > 0)
++ {
++ print_entry (4 + entryno, 0,
++ get_entry (menu_entries,
++ first_entry + entryno,
++ 0));
++ entryno--;
++ print_entry (4 + entryno, 1,
++ get_entry (menu_entries,
++ first_entry + entryno,
++ 0));
++ }
++ else if (first_entry > 0)
++ {
++ first_entry--;
++ print_entries (3, 12, first_entry, entryno,
++ menu_entries);
++ }
++ }
++ }
++ else if ((c == 14 || c == 'v')
++ && first_entry + entryno + 1 < num_entries)
++ {
++ if (current_term->flags & TERM_DUMB)
++ entryno++;
++ else
++ {
++ if (entryno < 11)
++ {
++ print_entry (4 + entryno, 0,
++ get_entry (menu_entries,
++ first_entry + entryno,
++ 0));
++ entryno++;
++ print_entry (4 + entryno, 1,
++ get_entry (menu_entries,
++ first_entry + entryno,
++ 0));
++ }
++ else if (num_entries > 12 + first_entry)
++ {
++ first_entry++;
++ print_entries (3, 12, first_entry, entryno, menu_entries);
++ }
++ }
++ }
++ else if (c == 7)
++ {
++ /* Page Up */
++ first_entry -= 12;
++ if (first_entry < 0)
++ {
++ entryno += first_entry;
++ first_entry = 0;
++ if (entryno < 0)
++ entryno = 0;
++ }
++ print_entries (3, 12, first_entry, entryno, menu_entries);
++ }
++ else if (c == 3)
++ {
++ /* Page Down */
++ first_entry += 12;
++ if (first_entry + entryno + 1 >= num_entries)
++ {
++ first_entry = num_entries - 12;
++ if (first_entry < 0)
++ first_entry = 0;
++ entryno = num_entries - first_entry - 1;
++ }
++ print_entries (3, 12, first_entry, entryno, menu_entries);
++ }
++
++ if (config_entries)
++ {
++ if ((c == '\n') || (c == '\r') || (c == 6))
++ break;
++ }
++ else
++ {
++ if ((c == 'd') || (c == 'o') || (c == 'O'))
++ {
++ if (! (current_term->flags & TERM_DUMB))
++ print_entry (4 + entryno, 0,
++ get_entry (menu_entries,
++ first_entry + entryno,
++ 0));
++
++ /* insert after is almost exactly like insert before */
++ if (c == 'o')
++ {
++ /* But `o' differs from `O', since it may causes
++ the menu screen to scroll up. */
++ if (entryno < 11 || (current_term->flags & TERM_DUMB))
++ entryno++;
++ else
++ first_entry++;
++
++ c = 'O';
++ }
++
++ cur_entry = get_entry (menu_entries,
++ first_entry + entryno,
++ 0);
++
++ if (c == 'O')
++ {
++ grub_memmove (cur_entry + 2, cur_entry,
++ ((int) heap) - ((int) cur_entry));
++
++ cur_entry[0] = ' ';
++ cur_entry[1] = 0;
++
++ heap += 2;
++
++ num_entries++;
++ }
++ else if (num_entries > 0)
++ {
++ char *ptr = get_entry(menu_entries,
++ first_entry + entryno + 1,
++ 0);
++
++ grub_memmove (cur_entry, ptr,
++ ((int) heap) - ((int) ptr));
++ heap -= (((int) ptr) - ((int) cur_entry));
++
++ num_entries--;
++
++ if (entryno >= num_entries)
++ entryno--;
++ if (first_entry && num_entries < 12 + first_entry)
++ first_entry--;
++ }
++
++ if (current_term->flags & TERM_DUMB)
++ {
++ grub_printf ("\n\n");
++ print_entries_raw (num_entries, first_entry,
++ menu_entries);
++ grub_printf ("\n");
++ }
++ else
++ print_entries (3, 12, first_entry, entryno, menu_entries);
++ }
++
++ cur_entry = menu_entries;
++ if (c == 27)
++ return;
++ if (c == 'b')
++ break;
++ }
++
++ if (! auth && password)
++ {
++ if (c == 'p')
++ {
++ /* Do password check here! */
++ char entered[32];
++ char *pptr = password;
++
++ if (current_term->flags & TERM_DUMB)
++ grub_printf ("\r ");
++ else
++ gotoxy (1, 21);
++
++ /* Wipe out the previously entered password */
++ grub_memset (entered, 0, sizeof (entered));
++ get_cmdline (" Password: ", entered, 31, '*', 0);
++
++ while (! isspace (*pptr) && *pptr)
++ pptr++;
++
++ /* Make sure that PASSWORD is NUL-terminated. */
++ *pptr++ = 0;
++
++ if (! check_password (entered, password, password_type))
++ {
++ char *new_file = config_file;
++ while (isspace (*pptr))
++ pptr++;
++
++ /* If *PPTR is NUL, then allow the user to use
++ privileged instructions, otherwise, load
++ another configuration file. */
++ if (*pptr != 0)
++ {
++ while ((*(new_file++) = *(pptr++)) != 0)
++ ;
++
++ /* Make sure that the user will not have
++ authority in the next configuration. */
++ auth = 0;
++ return;
++ }
++ else
++ {
++ /* Now the user is superhuman. */
++ auth = 1;
++ goto restart;
++ }
++ }
++ else
++ {
++ grub_printf ("Failed!\n Press any key to continue...");
++ getkey ();
++ goto restart;
++ }
++ }
++ }
++ else
++ {
++ if (c == 'e')
++ {
++ int new_num_entries = 0, i = 0;
++ char *new_heap;
++
++ if (config_entries)
++ {
++ new_heap = heap;
++ cur_entry = get_entry (config_entries,
++ first_entry + entryno,
++ 1);
++ }
++ else
++ {
++ /* safe area! */
++ new_heap = heap + NEW_HEAPSIZE + 1;
++ cur_entry = get_entry (menu_entries,
++ first_entry + entryno,
++ 0);
++ }
++
++ do
++ {
++ while ((*(new_heap++) = cur_entry[i++]) != 0);
++ new_num_entries++;
++ }
++ while (config_entries && cur_entry[i]);
++
++ /* this only needs to be done if config_entries is non-NULL,
++ but it doesn't hurt to do it always */
++ *(new_heap++) = 0;
++
++ if (config_entries)
++ run_menu (heap, NULL, new_num_entries, new_heap, 0);
++ else
++ {
++ cls ();
++ print_cmdline_message (0);
++
++ new_heap = heap + NEW_HEAPSIZE + 1;
++
++ saved_drive = boot_drive;
++ saved_partition = install_partition;
++ current_drive = GRUB_INVALID_DRIVE;
++
++ if (! get_cmdline (PACKAGE " edit> ", new_heap,
++ NEW_HEAPSIZE + 1, 0, 1))
++ {
++ int j = 0;
++
++ /* get length of new command */
++ while (new_heap[j++])
++ ;
++
++ if (j < 2)
++ {
++ j = 2;
++ new_heap[0] = ' ';
++ new_heap[1] = 0;
++ }
++
++ /* align rest of commands properly */
++ grub_memmove (cur_entry + j, cur_entry + i,
++ (int) heap - ((int) cur_entry + i));
++
++ /* copy command to correct area */
++ grub_memmove (cur_entry, new_heap, j);
++
++ heap += (j - i);
++ }
++ }
++
++ goto restart;
++ }
++ if (c == 'c')
++ {
++ enter_cmdline (heap, 0);
++ goto restart;
++ }
++#ifdef GRUB_UTIL
++ if (c == 'q')
++ {
++ /* The same as ``quit''. */
++ stop ();
++ }
++#endif
++ }
++ }
++ }
++
++ /* Attempt to boot an entry. */
++
++ boot_entry:
++
++ cls ();
++ setcursor (1);
++
++ while (1)
++ {
++ if (config_entries)
++ printf (" Booting \'%s\'\n\n",
++ get_entry (menu_entries, first_entry + entryno, 0));
++ else
++ printf (" Booting command-list\n\n");
++
++ if (! cur_entry)
++ cur_entry = get_entry (config_entries, first_entry + entryno, 1);
++
++ /* Set CURRENT_ENTRYNO for the command "savedefault". */
++ current_entryno = first_entry + entryno;
++
++ if (run_script (cur_entry, heap))
++ {
++ if (fallback_entryno >= 0)
++ {
++ cur_entry = NULL;
++ first_entry = 0;
++ entryno = fallback_entries[fallback_entryno];
++ fallback_entryno++;
++ if (fallback_entryno >= MAX_FALLBACK_ENTRIES
++ || fallback_entries[fallback_entryno] < 0)
++ fallback_entryno = -1;
++ }
++ else
++ break;
++ }
++ else
++ break;
++ }
++
++ show_menu = 1;
++ goto restart;
++}
++
++
++static int
++get_line_from_config (char *cmdline, int maxlen, int read_from_file)
++{
++ int pos = 0, literal = 0, comment = 0;
++ char c; /* since we're loading it a byte at a time! */
++
++ while (1)
++ {
++ if (read_from_file)
++ {
++ if (! grub_read (&c, 1))
++ break;
++ }
++ else
++ {
++ if (! read_from_preset_menu (&c, 1))
++ break;
++ }
++
++ /* Skip all carriage returns. */
++ if (c == '\r')
++ continue;
++
++ /* Replace tabs with spaces. */
++ if (c == '\t')
++ c = ' ';
++
++ /* The previous is a backslash, then... */
++ if (literal)
++ {
++ /* If it is a newline, replace it with a space and continue. */
++ if (c == '\n')
++ {
++ c = ' ';
++
++ /* Go back to overwrite a backslash. */
++ if (pos > 0)
++ pos--;
++ }
++
++ literal = 0;
++ }
++
++ /* translate characters first! */
++ if (c == '\\' && ! literal)
++ literal = 1;
++
++ if (comment)
++ {
++ if (c == '\n')
++ comment = 0;
++ }
++ else if (! pos)
++ {
++ if (c == '#')
++ comment = 1;
++ else if ((c != ' ') && (c != '\n'))
++ cmdline[pos++] = c;
++ }
++ else
++ {
++ if (c == '\n')
++ break;
++
++ if (pos < maxlen)
++ cmdline[pos++] = c;
++ }
++ }
++
++ cmdline[pos] = 0;
++
++ return pos;
++}
++
++
++/* This is the starting function in C. */
++void
++cmain (void)
++{
++ int config_len, menu_len, num_entries;
++ char *config_entries, *menu_entries;
++ char *kill_buf = (char *) KILL_BUF;
++
++ auto void reset (void);
++ void reset (void)
++ {
++ count_lines = -1;
++ config_len = 0;
++ menu_len = 0;
++ num_entries = 0;
++ config_entries = (char *) mbi.drives_addr + mbi.drives_length;
++ menu_entries = (char *) MENU_BUF;
++ init_config ();
++ }
++
++ /* Initialize the environment for restarting Stage 2. */
++ grub_setjmp (restart_env);
++
++ /* Initialize the kill buffer. */
++ *kill_buf = 0;
++
++ /* Never return. */
++ for (;;)
++ {
++ int is_opened, is_preset;
++
++ reset ();
++
++ /* Here load the configuration file. */
++
++#ifdef GRUB_UTIL
++ if (use_config_file)
++#endif /* GRUB_UTIL */
++ {
++ char *default_file = (char *) DEFAULT_FILE_BUF;
++ int i;
++
++ /* Get a saved default entry if possible. */
++ saved_entryno = 0;
++ *default_file = 0;
++ grub_strncat (default_file, config_file, DEFAULT_FILE_BUFLEN);
++ for (i = grub_strlen(default_file); i >= 0; i--)
++ if (default_file[i] == '/')
++ {
++ i++;
++ break;
++ }
++ default_file[i] = 0;
++ grub_strncat (default_file + i, "default", DEFAULT_FILE_BUFLEN - i);
++ if (grub_open (default_file))
++ {
++ char buf[10]; /* This is good enough. */
++ char *p = buf;
++ int len;
++
++ len = grub_read (buf, sizeof (buf));
++ if (len > 0)
++ {
++ buf[sizeof (buf) - 1] = 0;
++ safe_parse_maxint (&p, &saved_entryno);
++ }
++
++ grub_close ();
++ }
++ errnum = ERR_NONE;
++
++ do
++ {
++ /* STATE 0: Before any title command.
++ STATE 1: In a title command.
++ STATE >1: In a entry after a title command. */
++ int state = 0, prev_config_len = 0, prev_menu_len = 0;
++ char *cmdline;
++
++ /* Try the preset menu first. This will succeed at most once,
++ because close_preset_menu disables the preset menu. */
++ is_opened = is_preset = open_preset_menu ();
++ if (! is_opened)
++ {
++ is_opened = grub_open (config_file);
++ errnum = ERR_NONE;
++ }
++
++ if (! is_opened)
++ break;
++
++ /* This is necessary, because the menu must be overrided. */
++ reset ();
++
++ cmdline = (char *) CMDLINE_BUF;
++ while (get_line_from_config (cmdline, NEW_HEAPSIZE,
++ ! is_preset))
++ {
++ struct builtin *builtin;
++
++ /* Get the pointer to the builtin structure. */
++ builtin = find_command (cmdline);
++ errnum = 0;
++ if (! builtin)
++ /* Unknown command. Just skip now. */
++ continue;
++
++ if (builtin->flags & BUILTIN_TITLE)
++ {
++ char *ptr;
++
++ /* the command "title" is specially treated. */
++ if (state > 1)
++ {
++ /* The next title is found. */
++ num_entries++;
++ config_entries[config_len++] = 0;
++ prev_menu_len = menu_len;
++ prev_config_len = config_len;
++ }
++ else
++ {
++ /* The first title is found. */
++ menu_len = prev_menu_len;
++ config_len = prev_config_len;
++ }
++
++ /* Reset the state. */
++ state = 1;
++
++ /* Copy title into menu area. */
++ ptr = skip_to (1, cmdline);
++ while ((menu_entries[menu_len++] = *(ptr++)) != 0)
++ ;
++ }
++ else if (! state)
++ {
++ /* Run a command found is possible. */
++ if (builtin->flags & BUILTIN_MENU)
++ {
++ char *arg = skip_to (1, cmdline);
++ (builtin->func) (arg, BUILTIN_MENU);
++ errnum = 0;
++ }
++ else
++ /* Ignored. */
++ continue;
++ }
++ else
++ {
++ char *ptr = cmdline;
++
++ state++;
++ /* Copy config file data to config area. */
++ while ((config_entries[config_len++] = *ptr++) != 0)
++ ;
++ }
++ }
++
++ if (state > 1)
++ {
++ /* Finish the last entry. */
++ num_entries++;
++ config_entries[config_len++] = 0;
++ }
++ else
++ {
++ menu_len = prev_menu_len;
++ config_len = prev_config_len;
++ }
++
++ menu_entries[menu_len++] = 0;
++ config_entries[config_len++] = 0;
++ grub_memmove (config_entries + config_len, menu_entries,
++ menu_len);
++ menu_entries = config_entries + config_len;
++
++ /* Make sure that all fallback entries are valid. */
++ if (fallback_entryno >= 0)
++ {
++ for (i = 0; i < MAX_FALLBACK_ENTRIES; i++)
++ {
++ if (fallback_entries[i] < 0)
++ break;
++ if (fallback_entries[i] >= num_entries)
++ {
++ grub_memmove (fallback_entries + i,
++ fallback_entries + i + 1,
++ ((MAX_FALLBACK_ENTRIES - i - 1)
++ * sizeof (int)));
++ i--;
++ }
++ }
++
++ if (fallback_entries[0] < 0)
++ fallback_entryno = -1;
++ }
++ /* Check if the default entry is present. Otherwise reset
++ it to fallback if fallback is valid, or to DEFAULT_ENTRY
++ if not. */
++ if (default_entry >= num_entries)
++ {
++ if (fallback_entryno >= 0)
++ {
++ default_entry = fallback_entries[0];
++ fallback_entryno++;
++ if (fallback_entryno >= MAX_FALLBACK_ENTRIES
++ || fallback_entries[fallback_entryno] < 0)
++ fallback_entryno = -1;
++ }
++ else
++ default_entry = 0;
++ }
++
++ if (is_preset)
++ close_preset_menu ();
++ else
++ grub_close ();
++ }
++ while (is_preset);
++ }
++
++ if (! num_entries)
++ {
++ /* If no acceptable config file, goto command-line, starting
++ heap from where the config entries would have been stored
++ if there were any. */
++ enter_cmdline (config_entries, 1);
++ }
++ else
++ {
++ /* Run menu interface. */
++ run_menu (menu_entries, config_entries, num_entries,
++ menu_entries + menu_len, default_entry);
++ }
++ }
++}
+diff -Nur grub-0.97/stage2/term.h grub-0.97-patched/stage2/term.h
+--- grub-0.97/stage2/term.h 2003-07-09 13:45:53.000000000 +0200
++++ grub-0.97-patched/stage2/term.h 2012-11-11 17:06:33.311470556 +0100
+@@ -60,6 +60,8 @@
+ const char *name;
+ /* The feature flags defined above. */
+ unsigned long flags;
++ /* Default for maximum number of lines if not specified */
++ unsigned short max_lines;
+ /* Put a character. */
+ void (*putchar) (int c);
+ /* Check if any input character is available. */
+@@ -79,6 +81,11 @@
+ void (*setcolor) (int normal_color, int highlight_color);
+ /* Turn on/off the cursor. */
+ int (*setcursor) (int on);
++
++ /* function to start a terminal */
++ int (*startup) (void);
++ /* function to use to shutdown a terminal */
++ void (*shutdown) (void);
+ };
+
+ /* This lists up available terminals. */
+@@ -124,4 +131,23 @@
+ int hercules_setcursor (int on);
+ #endif
+
++#ifdef SUPPORT_GRAPHICS
++extern int foreground, background, border, graphics_inited;
++
++void graphics_set_splash(char *splashfile);
++int set_videomode (int mode);
++void graphics_putchar (int c);
++int graphics_getxy(void);
++void graphics_gotoxy(int x, int y);
++void graphics_cls(void);
++void graphics_setcolorstate (color_state state);
++void graphics_setcolor (int normal_color, int highlight_color);
++void graphics_setcursor (int on);
++int graphics_init(void);
++void graphics_end(void);
++
++int hex(int v);
++void graphics_set_palette(int idx, int red, int green, int blue);
++#endif /* SUPPORT_GRAPHICS */
++
+ #endif /* ! GRUB_TERM_HEADER */
+diff -Nur grub-0.97/THANKS grub-0.97-patched/THANKS
+--- grub-0.97/THANKS 2005-05-08 04:17:43.000000000 +0200
++++ grub-0.97-patched/THANKS 2012-11-11 17:07:12.709729021 +0100
+@@ -121,3 +121,4 @@
+ Yedidyah Bar-David <didi(a)post.tau.ac.il>
+ Yury V. Umanets <umka(a)namesys.com>
+ Yuri Zaporogets <yuriz(a)ukr.net>
++Vitaly Fertman <vitaly(a)namesys.com>
+diff -Nur grub-0.97/util/grub-install.in grub-0.97-patched/util/grub-install.in
+--- grub-0.97/util/grub-install.in 2004-07-24 20:57:31.000000000 +0200
++++ grub-0.97-patched/util/grub-install.in 2012-11-11 17:07:12.748730268 +0100
+@@ -96,24 +96,27 @@
+ # Break the device name into the disk part and the partition part.
+ case "$host_os" in
+ linux*)
+- tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \
++ tmp_disk=`echo "$1" | sed -e 's%\([shv]d[a-z]\)[0-9]*$%\1%' \
+ -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \
+ -e 's%\(fd[0-9]*\)$%\1%' \
+ -e 's%/part[0-9]*$%/disc%' \
+- -e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
+- tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \
++ -e 's%\(c[0-7]d[0-9]*\).*$%\1%' \
++ -e 's%\(e[0-9]\.[0-9]*\).*$%\1%'`
++ tmp_part=`echo "$1" | sed -e 's%.*/[shv]d[a-z]\([0-9]*\)$%\1%' \
+ -e 's%.*d[0-9]*p%%' \
+ -e 's%.*/fd[0-9]*$%%' \
+ -e 's%.*/floppy/[0-9]*$%%' \
+ -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
+- -e 's%.*c[0-7]d[0-9]*p%%'`
++ -e 's%.*c[0-7]d[0-9]*p*%%' \
++ -e 's%.*e[0-9]\.[0-9]*p%%' \
++ -e 's%.*e[0-9]\.[0-9]*\$%%'`
+ ;;
+ gnu*)
+ tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'`
+ tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;;
+ freebsd* | kfreebsd*-gnu)
+- tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%r\1%' \
+- | sed 's%r\{0,1\}\(da[0-9]*\).*$%r\1%'`
++ tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \
++ | sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'`
+ tmp_part=`echo "$1" \
+ | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \
+ | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"`
+@@ -131,7 +134,7 @@
+
+ # Get the drive name.
+ tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \
+- | sed 's%.*\(([hf]d[0-9][a-g0-9,]*)\).*%\1%'`
++ | sed 's%.*\(([hf]d[0-9][a-z0-9,]*)\).*%\1%'`
+
+ # If not found, print an error message and exit.
+ if test "x$tmp_drive" = x; then
+@@ -148,13 +151,13 @@
+ gnu*)
+ if echo $tmp_part | grep "^s" >/dev/null; then
+ tmp_pc_slice=`echo $tmp_part \
+- | sed "s%s\([0-9]*\)[a-g]*$%\1%"`
++ | sed "s%s\([0-9]*\)[a-z]*$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
+ fi
+- if echo $tmp_part | grep "[a-g]$" >/dev/null; then
++ if echo $tmp_part | grep "[a-z]$" >/dev/null; then
+ tmp_bsd_partition=`echo "$tmp_part" \
+- | sed "s%[^a-g]*\([a-g]\)$%\1%"`
++ | sed "s%[^a-z]*\([a-z]\)$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,$tmp_bsd_partition)%"`
+ fi
+@@ -336,6 +339,10 @@
+ # Create a safe temporary file.
+ test -n "$mklog" && log_file=`$mklog`
+
++ # Before all invocations of the grub shell, call sync to make sure
++ # the raw device is in sync with any bufferring in filesystems.
++ sync
++
+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
+ quit
+ EOF
+@@ -450,6 +457,10 @@
+ # Create a safe temporary file.
+ test -n "$mklog" && log_file=`$mklog`
+
++# Before all invocations of the grub shell, call sync to make sure
++# the raw device is in sync with any bufferring in filesystems.
++sync
++
+ # Now perform the installation.
+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
+ root $root_drive
+diff -Nur grub-0.97/util/grub-install.in.orig grub-0.97-patched/util/grub-install.in.orig
+--- grub-0.97/util/grub-install.in.orig 1970-01-01 01:00:00.000000000 +0100
++++ grub-0.97-patched/util/grub-install.in.orig 2004-07-24 20:57:31.000000000 +0200
+@@ -0,0 +1,477 @@
++#! /bin/sh
++
++# Install GRUB on your drive.
++# Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
++#
++# This file is free software; you can redistribute it and/or modify it
++# under the terms of the GNU General Public License as published by
++# the Free Software Foundation; either version 2 of the License, or
++# (at your option) any later version.
++#
++# This program is distributed in the hope that it will be useful, but
++# WITHOUT ANY WARRANTY; without even the implied warranty of
++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++# General Public License for more details.
++#
++# You should have received a copy of the GNU General Public License
++# along with this program; if not, write to the Free Software
++# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++
++# Initialize some variables.
++prefix=@prefix@
++exec_prefix=@exec_prefix@
++sbindir=@sbindir@
++libdir=@libdir@
++PACKAGE=@PACKAGE@
++VERSION=@VERSION@
++host_cpu=@host_cpu@
++host_os=@host_os@
++host_vendor=@host_vendor@
++pkglibdir=${libdir}/${PACKAGE}/${host_cpu}-${host_vendor}
++
++grub_shell=${sbindir}/grub
++grub_set_default=${sbindir}/grub-set-default
++log_file=/tmp/grub-install.log.$$
++img_file=/tmp/grub-install.img.$$
++rootdir=
++grub_prefix=/boot/grub
++
++install_device=
++no_floppy=
++force_lba=
++recheck=no
++debug=no
++
++# look for secure tempfile creation wrappers on this platform
++if test -x /bin/tempfile; then
++ mklog="/bin/tempfile --prefix=grub"
++ mkimg="/bin/tempfile --prefix=grub"
++elif test -x /bin/mktemp; then
++ mklog="/bin/mktemp /tmp/grub-install.log.XXXXXX"
++ mkimg="/bin/mktemp /tmp/grub-install.img.XXXXXX"
++else
++ mklog=""
++ mkimg=""
++fi
++
++# Usage: usage
++# Print the usage.
++usage () {
++ cat <<EOF
++Usage: grub-install [OPTION] install_device
++Install GRUB on your drive.
++
++ -h, --help print this message and exit
++ -v, --version print the version information and exit
++ --root-directory=DIR install GRUB images under the directory DIR
++ instead of the root directory
++ --grub-shell=FILE use FILE as the grub shell
++ --no-floppy do not probe any floppy drive
++ --force-lba force GRUB to use LBA mode even for a buggy
++ BIOS
++ --recheck probe a device map even if it already exists
++
++INSTALL_DEVICE can be a GRUB device name or a system device filename.
++
++grub-install copies GRUB images into the DIR/boot directory specfied by
++--root-directory, and uses the grub shell to install grub into the boot
++sector.
++
++Report bugs to <bug-grub(a)gnu.org>.
++EOF
++}
++
++# Usage: convert os_device
++# Convert an OS device to the corresponding GRUB drive.
++# This part is OS-specific.
++convert () {
++ # First, check if the device file exists.
++ if test -e "$1"; then
++ :
++ else
++ echo "$1: Not found or not a block device." 1>&2
++ exit 1
++ fi
++
++ # Break the device name into the disk part and the partition part.
++ case "$host_os" in
++ linux*)
++ tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \
++ -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \
++ -e 's%\(fd[0-9]*\)$%\1%' \
++ -e 's%/part[0-9]*$%/disc%' \
++ -e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
++ tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \
++ -e 's%.*d[0-9]*p%%' \
++ -e 's%.*/fd[0-9]*$%%' \
++ -e 's%.*/floppy/[0-9]*$%%' \
++ -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
++ -e 's%.*c[0-7]d[0-9]*p%%'`
++ ;;
++ gnu*)
++ tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'`
++ tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;;
++ freebsd* | kfreebsd*-gnu)
++ tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%r\1%' \
++ | sed 's%r\{0,1\}\(da[0-9]*\).*$%r\1%'`
++ tmp_part=`echo "$1" \
++ | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \
++ | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"`
++ ;;
++ netbsd* | knetbsd*-gnu)
++ tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \
++ | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'`
++ tmp_part=`echo "$1" \
++ | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"`
++ ;;
++ *)
++ echo "grub-install does not support your OS yet." 1>&2
++ exit 1 ;;
++ esac
++
++ # Get the drive name.
++ tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \
++ | sed 's%.*\(([hf]d[0-9][a-g0-9,]*)\).*%\1%'`
++
++ # If not found, print an error message and exit.
++ if test "x$tmp_drive" = x; then
++ echo "$1 does not have any corresponding BIOS drive." 1>&2
++ exit 1
++ fi
++
++ if test "x$tmp_part" != x; then
++ # If a partition is specified, we need to translate it into the
++ # GRUB's syntax.
++ case "$host_os" in
++ linux*)
++ echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;;
++ gnu*)
++ if echo $tmp_part | grep "^s" >/dev/null; then
++ tmp_pc_slice=`echo $tmp_part \
++ | sed "s%s\([0-9]*\)[a-g]*$%\1%"`
++ tmp_drive=`echo "$tmp_drive" \
++ | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
++ fi
++ if echo $tmp_part | grep "[a-g]$" >/dev/null; then
++ tmp_bsd_partition=`echo "$tmp_part" \
++ | sed "s%[^a-g]*\([a-g]\)$%\1%"`
++ tmp_drive=`echo "$tmp_drive" \
++ | sed "s%)%,$tmp_bsd_partition)%"`
++ fi
++ echo "$tmp_drive" ;;
++ freebsd* | kfreebsd*-gnu)
++ if echo $tmp_part | grep "^s" >/dev/null; then
++ tmp_pc_slice=`echo $tmp_part \
++ | sed "s%s\([0-9]*\)[a-h]*$%\1%"`
++ tmp_drive=`echo "$tmp_drive" \
++ | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
++ fi
++ if echo $tmp_part | grep "[a-h]$" >/dev/null; then
++ tmp_bsd_partition=`echo "$tmp_part" \
++ | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"`
++ tmp_drive=`echo "$tmp_drive" \
++ | sed "s%)%,$tmp_bsd_partition)%"`
++ fi
++ echo "$tmp_drive" ;;
++ netbsd* | knetbsd*-gnu)
++ if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then
++ tmp_bsd_partition=`echo "$tmp_part" \
++ | sed "s%\([a-p]\)$%\1%"`
++ tmp_drive=`echo "$tmp_drive" \
++ | sed "s%)%,$tmp_bsd_partition)%"`
++ fi
++ echo "$tmp_drive" ;;
++ esac
++ else
++ # If no partition is specified, just print the drive name.
++ echo "$tmp_drive"
++ fi
++}
++
++# Usage: resolve_symlink file
++# Find the real file/device that file points at
++resolve_symlink () {
++ tmp_fname=$1
++ # Resolve symlinks
++ while test -L $tmp_fname; do
++ tmp_new_fname=`ls -al $tmp_fname | sed -n 's%.*-> \(.*\)%\1%p'`
++ if test -z "$tmp_new_fname"; then
++ echo "Unrecognized ls output" 2>&1
++ exit 1
++ fi
++
++ # Convert relative symlinks
++ case $tmp_new_fname in
++ /*) tmp_fname="$tmp_new_fname"
++ ;;
++ *) tmp_fname="`echo $tmp_fname | sed 's%/[^/]*$%%'`/$tmp_new_fname"
++ ;;
++ esac
++ done
++ echo "$tmp_fname"
++}
++
++# Usage: find_device file
++# Find block device on which the file resides.
++find_device () {
++ # For now, this uses the program `df' to get the device name, but is
++ # this really portable?
++ tmp_fname=`df $1/ | sed -n 's%.*\(/dev/[^ ]*\).*%\1%p'`
++
++ if test -z "$tmp_fname"; then
++ echo "Could not find device for $1" 2>&1
++ exit 1
++ fi
++
++ tmp_fname=`resolve_symlink $tmp_fname`
++
++ echo "$tmp_fname"
++}
++
++# Check the arguments.
++for option in "$@"; do
++ case "$option" in
++ -h | --help)
++ usage
++ exit 0 ;;
++ -v | --version)
++ echo "grub-install (GNU GRUB ${VERSION})"
++ exit 0 ;;
++ --root-directory=*)
++ rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
++ --grub-shell=*)
++ grub_shell=`echo "$option" | sed 's/--grub-shell=//'` ;;
++ --no-floppy)
++ no_floppy="--no-floppy" ;;
++ --force-lba)
++ force_lba="--force-lba" ;;
++ --recheck)
++ recheck=yes ;;
++ # This is an undocumented feature...
++ --debug)
++ debug=yes ;;
++ -*)
++ echo "Unrecognized option \`$option'" 1>&2
++ usage
++ exit 1
++ ;;
++ *)
++ if test "x$install_device" != x; then
++ echo "More than one install_devices?" 1>&2
++ usage
++ exit 1
++ fi
++ install_device="${option}" ;;
++ esac
++done
++
++if test "x$install_device" = x; then
++ echo "install_device not specified." 1>&2
++ usage
++ exit 1
++fi
++
++# If the debugging feature is enabled, print commands.
++if test $debug = yes; then
++ set -x
++fi
++
++# Initialize these directories here, since ROOTDIR was initialized.
++case "$host_os" in
++netbsd* | openbsd*)
++ # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub
++ # instead of /boot/grub.
++ grub_prefix=/grub
++ bootdir=${rootdir}
++ ;;
++*)
++ # Use /boot/grub by default.
++ bootdir=${rootdir}/boot
++ ;;
++esac
++
++grubdir=${bootdir}/grub
++device_map=${grubdir}/device.map
++
++# Check if GRUB is installed.
++# This is necessary, because the user can specify "grub --read-only".
++set $grub_shell dummy
++if test -f "$1"; then
++ :
++else
++ echo "$1: Not found." 1>&2
++ exit 1
++fi
++
++if test -f "$pkglibdir/stage1"; then
++ :
++else
++ echo "${pkglibdir}/stage1: Not found." 1>&2
++ exit 1
++fi
++
++if test -f "$pkglibdir/stage2"; then
++ :
++else
++ echo "${pkglibdir}/stage2: Not found." 1>&2
++ exit 1
++fi
++
++# Don't check for *stage1_5, because it is not fatal even if any
++# Stage 1.5 does not exist.
++
++# Create the GRUB directory if it is not present.
++test -d "$bootdir" || mkdir "$bootdir" || exit 1
++test -d "$grubdir" || mkdir "$grubdir" || exit 1
++
++# If --recheck is specified, remove the device map, if present.
++if test $recheck = yes; then
++ rm -f $device_map
++fi
++
++# Create the device map file if it is not present.
++if test -f "$device_map"; then
++ :
++else
++ # Create a safe temporary file.
++ test -n "$mklog" && log_file=`$mklog`
++
++ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
++quit
++EOF
++ if grep "Error [0-9]*: " $log_file >/dev/null; then
++ cat $log_file 1>&2
++ exit 1
++ fi
++
++ rm -f $log_file
++fi
++
++# Make sure that there is no duplicated entry.
++tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \
++ | sort | uniq -d | sed -n 1p`
++if test -n "$tmp"; then
++ echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2
++ exit 1
++fi
++
++# Check for INSTALL_DEVICE.
++case "$install_device" in
++/dev/*)
++ install_device=`resolve_symlink "$install_device"`
++ install_drive=`convert "$install_device"`
++ # I don't know why, but some shells wouldn't die if exit is
++ # called in a function.
++ if test "x$install_drive" = x; then
++ exit 1
++ fi ;;
++\([hf]d[0-9]*\))
++ install_drive="$install_device" ;;
++[hf]d[0-9]*)
++ # The GRUB format with no parenthesis.
++ install_drive="($install_device)" ;;
++*)
++ echo "Format of install_device not recognized." 1>&2
++ usage
++ exit 1 ;;
++esac
++
++# Get the root drive.
++root_device=`find_device ${rootdir}`
++bootdir_device=`find_device ${bootdir}`
++
++# Check if the boot directory is in the same device as the root directory.
++if test "x$root_device" != "x$bootdir_device"; then
++ # Perhaps the user has a separate boot partition.
++ root_device=$bootdir_device
++ grub_prefix="/grub"
++fi
++
++# Convert the root device to a GRUB drive.
++root_drive=`convert "$root_device"`
++if test "x$root_drive" = x; then
++ exit 1
++fi
++
++# Check if the root directory exists in the same device as the grub
++# directory.
++grubdir_device=`find_device ${grubdir}`
++
++if test "x$grubdir_device" != "x$root_device"; then
++ # For now, cannot deal with this situation.
++ cat <<EOF 1>&2
++You must set the root directory by the option --root-directory, because
++$grubdir does not exist in the root device $root_device.
++EOF
++ exit 1
++fi
++
++# Copy the GRUB images to the GRUB directory.
++for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do
++ rm -f $file || exit 1
++done
++for file in \
++ ${pkglibdir}/stage1 ${pkglibdir}/stage2 ${pkglibdir}/*stage1_5; do
++ cp -f $file ${grubdir} || exit 1
++done
++
++# Make a default file.
++${grub_set_default} --root-directory=${rootdir} default
++
++# Make sure that GRUB reads the same images as the host OS.
++test -n "$mkimg" && img_file=`$mkimg`
++test -n "$mklog" && log_file=`$mklog`
++
++for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do
++ count=5
++ tmp=`echo $file | sed "s|^${grubdir}|${grub_prefix}|"`
++ while test $count -gt 0; do
++ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
++dump ${root_drive}${tmp} ${img_file}
++quit
++EOF
++ if grep "Error [0-9]*: " $log_file >/dev/null; then
++ :
++ elif cmp $file $img_file >/dev/null; then
++ break
++ fi
++ sleep 1
++ count=`expr $count - 1`
++ done
++ if test $count -eq 0; then
++ echo "The file $file not read correctly." 1>&2
++ exit 1
++ fi
++done
++
++rm -f $img_file
++rm -f $log_file
++
++# Create a safe temporary file.
++test -n "$mklog" && log_file=`$mklog`
++
++# Now perform the installation.
++$grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
++root $root_drive
++setup $force_lba --stage2=$grubdir/stage2 --prefix=$grub_prefix $install_drive
++quit
++EOF
++
++if grep "Error [0-9]*: " $log_file >/dev/null || test $debug = yes; then
++ cat $log_file 1>&2
++ exit 1
++fi
++
++rm -f $log_file
++
++# Prompt the user to check if the device map is correct.
++echo "Installation finished. No error reported."
++echo "This is the contents of the device map $device_map."
++echo "Check if this is correct or not. If any of the lines is incorrect,"
++echo "fix it and re-run the script \`grub-install'."
++echo
++
++cat $device_map
++
++# Bye.
++exit 0
+diff -Nur grub-0.97/util/mkbimage grub-0.97-patched/util/mkbimage
+--- grub-0.97/util/mkbimage 2004-07-24 20:57:31.000000000 +0200
++++ grub-0.97-patched/util/mkbimage 2012-11-11 17:07:12.744730138 +0100
+@@ -1,7 +1,7 @@
+ #!/bin/sh
+ # MaKe a Bootable IMAGE --- 1.44, 2.88 and El Torito no-emulation mode
+ # C) 2001,2002,2003 Thierry Laronde <tlaronde(a)polynum.org>
+-# C) 2001,2002,2003 Robert Millan <robertmh(a)gnu.org>
++# C) 2001,2002,2003 Robert Millan <rmh(a)aybabtu.com>
+
+
+ # This program is free software; you can redistribute it and/or modify
+@@ -94,15 +94,13 @@
+ display Version information and exit
+
+ Copyright (c) 2001,2002,2003 Thierry Laronde <tlaronde(a)polynum.org>.
+-Copyright (c) 2001,2002 Robert Millan <zeratul2(a)wanadoo.es>.
+ GPLed."
+
+ version="mkbimage $version_number
+
+-Written by Thierry Laronde and Robert Millan.
++Written by Thierry Laronde.
+
+ Copyright (c) 2001,2002,2003 Thierry Laronde <tlaronde(a)polynum.org>.
+-Copyright (c) 2001,2002,2003 Robert Millan <zeratul2(a)wanadoo.es>.
+
+ This is free software under the GPL version 2 or later; see the source for
+ copying conditions. There is NO warranty, not even for MERCHANTABILITY or
hooks/post-receive
--
IPFire 2.x development tree
1
0
[git.ipfire.org] IPFire 3.x development tree branch, master, updated. 588b9cc28b5515f1d8f862b18f538586b9051ed1
by git＠ipfire.org 11 Nov '12
by git＠ipfire.org 11 Nov '12
11 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "IPFire 3.x development tree".
The branch, master has been updated
via 588b9cc28b5515f1d8f862b18f538586b9051ed1 (commit)
via a11f51364d2f59e51bed2f6a318da304f1464aed (commit)
via 8f4a16b593b8c5b2f3d312d3248c9ca98f964fa3 (commit)
from 7c69f2c242898e586dc77e79bcfb1ea225e7fd30 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 588b9cc28b5515f1d8f862b18f538586b9051ed1
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 14:31:15 2012 +0100
gnutls: Update to 3.1.4.
Requires up-to-date versions of p11-kit and libtasn1.
commit a11f51364d2f59e51bed2f6a318da304f1464aed
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 14:30:55 2012 +0100
libtasn1: Update to 3.0.
commit 8f4a16b593b8c5b2f3d312d3248c9ca98f964fa3
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 14:30:42 2012 +0100
p11-kit: Update to 0.14.
-----------------------------------------------------------------------
Summary of changes:
gnutls/gnutls.nm | 8 ++++----
libtasn1/libtasn1.nm | 4 ++--
p11-kit/p11-kit.nm | 2 +-
3 files changed, 7 insertions(+), 7 deletions(-)
Difference in files:
diff --git a/gnutls/gnutls.nm b/gnutls/gnutls.nm
index 4371149..d634615 100644
--- a/gnutls/gnutls.nm
+++ b/gnutls/gnutls.nm
@@ -4,7 +4,7 @@
###############################################################################
name = gnutls
-version = 3.1.3
+version = 3.1.4
release = 1
groups = System/Libraries
@@ -27,11 +27,11 @@ build
gettext
guile-devel
libgcrypt-devel
- libtasn1-devel
+ libtasn1-devel >= 3.0
lzo-devel
nettle-devel >= 2.5
perl
- p11-kit-devel >= 0.4
+ p11-kit-devel >= 0.14
readline-devel
zlib-devel
end
@@ -55,7 +55,7 @@ packages
package %{name}
requires
nettle >= 2.5
- p11-kit >= 0.4
+ p11-kit >= 0.14
end
end
diff --git a/libtasn1/libtasn1.nm b/libtasn1/libtasn1.nm
index b130a59..eda7e9f 100644
--- a/libtasn1/libtasn1.nm
+++ b/libtasn1/libtasn1.nm
@@ -4,7 +4,7 @@
###############################################################################
name = libtasn1
-version = 2.9
+version = 3.0
release = 1
groups = System/Libraries
@@ -17,7 +17,7 @@ description
be found at http://www.gnu.org/software/gnutls and http://www.gnutls.org.
end
-source_dl =
+source_dl = http://ftp.gnu.org/gnu/libtasn1/
build
requires
diff --git a/p11-kit/p11-kit.nm b/p11-kit/p11-kit.nm
index 6280201..16b754e 100644
--- a/p11-kit/p11-kit.nm
+++ b/p11-kit/p11-kit.nm
@@ -4,7 +4,7 @@
###############################################################################
name = p11-kit
-version = 0.7
+version = 0.14
release = 1
groups = System/Libraries
hooks/post-receive
--
IPFire 3.x development tree
1
0
[git.ipfire.org] IPFire 3.x development tree branch, master, updated. 7c69f2c242898e586dc77e79bcfb1ea225e7fd30
by git＠ipfire.org 11 Nov '12
by git＠ipfire.org 11 Nov '12
11 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "IPFire 3.x development tree".
The branch, master has been updated
via 7c69f2c242898e586dc77e79bcfb1ea225e7fd30 (commit)
from c1ee9eb8538197f4b4fcb053104bcecaa5080ab4 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 7c69f2c242898e586dc77e79bcfb1ea225e7fd30
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sun Nov 11 14:29:28 2012 +0100
kernel: Update to 3.6.6.
-----------------------------------------------------------------------
Summary of changes:
kernel/config-arm-generic | 30 +-
kernel/config-armv5tel-kirkwood | 10 +
kernel/config-armv7hl-omap | 44 +-
kernel/config-generic | 219 +-
kernel/config-i686-default | 10 +-
kernel/config-i686-legacy | 11 +-
kernel/config-x86-generic | 17 +-
kernel/config-x86_64-default | 13 +-
kernel/kernel.nm | 109 +-
...h => grsecurity-2.9.1-3.6.6-201211072001.patch} |15786 +++++++++++---------
10 files changed, 8909 insertions(+), 7340 deletions(-)
rename kernel/patches/{grsecurity-2.9.1-3.5.3-201209062131.patch => grsecurity-2.9.1-3.6.6-201211072001.patch} (86%)
Difference in files:
diff --git a/kernel/config-arm-generic b/kernel/config-arm-generic
index f51241e..e2e484c 100644
--- a/kernel/config-arm-generic
+++ b/kernel/config-arm-generic
@@ -15,8 +15,6 @@ CONFIG_BROKEN_ON_SMP=y
# IRQ subsystem
#
CONFIG_HARDIRQS_SW_RESEND=y
-CONFIG_IRQ_DOMAIN=y
-# CONFIG_IRQ_DOMAIN_DEBUG is not set
CONFIG_KTIME_SCALAR=y
#
@@ -26,6 +24,11 @@ CONFIG_TINY_RCU=y
CONFIG_PERF_USE_VMALLOC=y
#
+# Kernel Performance Events And Counters
+#
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+
+#
# GCOV-based kernel profiling
#
CONFIG_LBDAF=y
@@ -38,6 +41,7 @@ CONFIG_LBDAF=y
#
# System Type
#
+# CONFIG_ARCH_SOCFPGA is not set
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
CONFIG_ARCH_VERSATILE=y
@@ -60,6 +64,7 @@ CONFIG_ARCH_VERSATILE=y
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_MVEBU is not set
# CONFIG_ARCH_DOVE is not set
# CONFIG_ARCH_KIRKWOOD is not set
# CONFIG_ARCH_LPC32XX is not set
@@ -98,6 +103,7 @@ CONFIG_ARCH_VERSATILE=y
CONFIG_ARCH_VERSATILE_PB=y
CONFIG_MACH_VERSATILE_AB=y
CONFIG_MACH_VERSATILE_DT=y
+CONFIG_PLAT_VERSATILE_CLOCK=y
CONFIG_PLAT_VERSATILE_CLCD=y
CONFIG_PLAT_VERSATILE_FPGA_IRQ=y
CONFIG_PLAT_VERSATILE_FPGA_IRQ_NR=4
@@ -224,6 +230,7 @@ CONFIG_BPF_JIT=y
# Generic Driver Options
#
# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CMA is not set
CONFIG_DTC=y
CONFIG_OF=y
@@ -321,6 +328,7 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=m
# CONFIG_HVC_DCC is not set
CONFIG_HW_RANDOM_ATMEL=m
+CONFIG_HW_RANDOM_EXYNOS=m
#
# PC SMBus host controller drivers
@@ -335,6 +343,7 @@ CONFIG_I2C_SIS630=m
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE_PLATFORM is not set
+CONFIG_I2C_NOMADIK=m
CONFIG_I2C_VERSATILE=m
#
@@ -371,12 +380,12 @@ CONFIG_OF_GPIO=y
# CONFIG_MFD_TC6393XB is not set
#
-# Customize TV tuners
+# Media drivers
#
CONFIG_VIDEOBUF2_DMA_CONTIG=m
#
-# Miscelaneous helper chips
+# Webcam and/or TV USB devices
#
CONFIG_VIDEO_CAFE_CCIC=m
# CONFIG_VIDEO_SH_MOBILE_CSI2 is not set
@@ -416,6 +425,7 @@ CONFIG_FB_ARMCLCD=m
CONFIG_SND_ARM=y
CONFIG_SND_ARMAACI=m
CONFIG_SND_SOC=m
+CONFIG_SND_DESIGNWARE_I2S=m
CONFIG_SND_SOC_I2C_AND_SPI=m
# CONFIG_SND_SOC_ALL_CODECS is not set
CONFIG_SND_SIMPLE_CARD=m
@@ -442,6 +452,11 @@ CONFIG_MMC_DW_PCI=m
# CONFIG_LEDS_RENESAS_TPU is not set
#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_EDAC is not set
+
+#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_PL030=m
@@ -455,6 +470,12 @@ CONFIG_RTC_DRV_PL031=m
CONFIG_PL330_DMA=y
#
+# Microsoft Hyper-V guest support
+#
+CONFIG_ZRAM=m
+# CONFIG_ZRAM_DEBUG is not set
+
+#
# Android
#
CONFIG_CLKDEV_LOOKUP=y
@@ -463,6 +484,7 @@ CONFIG_CLKDEV_LOOKUP=y
# Hardware Spinlock drivers
#
CONFIG_CLKSRC_MMIO=y
+CONFIG_OF_IOMMU=y
#
# Pseudo filesystems
diff --git a/kernel/config-armv5tel-kirkwood b/kernel/config-armv5tel-kirkwood
index 12e6cac..1d5972a 100644
--- a/kernel/config-armv5tel-kirkwood
+++ b/kernel/config-armv5tel-kirkwood
@@ -25,6 +25,9 @@ CONFIG_MACH_DREAMPLUG_DT=y
CONFIG_MACH_ICONNECT_DT=y
CONFIG_MACH_DLINK_KIRKWOOD_DT=y
CONFIG_MACH_IB62X0_DT=y
+CONFIG_MACH_TS219_DT=y
+CONFIG_MACH_GOFLEXNET_DT=y
+CONFIG_MACH_LSXL_DT=y
CONFIG_MACH_TS219=y
CONFIG_MACH_TS41X=y
CONFIG_MACH_DOCKSTAR=y
@@ -58,6 +61,13 @@ CONFIG_CACHE_FEROCEON_L2=y
CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH=y
#
+# Boot options
+#
+CONFIG_ARM_ATAG_DTB_COMPAT=y
+CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y
+# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set
+
+#
# Power management options
#
# CONFIG_ARM_CPU_SUSPEND is not set
diff --git a/kernel/config-armv7hl-omap b/kernel/config-armv7hl-omap
index 9b73127..3948792 100644
--- a/kernel/config-armv7hl-omap
+++ b/kernel/config-armv7hl-omap
@@ -35,15 +35,14 @@ CONFIG_ARCH_OMAP=y
#
# TI OMAP Common Features
#
-CONFIG_ARCH_OMAP_OTG=y
# CONFIG_ARCH_OMAP1 is not set
CONFIG_ARCH_OMAP2PLUS=y
#
# OMAP Feature Selections
#
-CONFIG_OMAP_SMARTREFLEX=y
-CONFIG_OMAP_SMARTREFLEX_CLASS3=y
+CONFIG_POWER_AVS_OMAP=y
+CONFIG_POWER_AVS_OMAP_CLASS3=y
CONFIG_OMAP_RESET_CLOCKS=y
CONFIG_OMAP_MUX=y
# CONFIG_OMAP_MUX_DEBUG is not set
@@ -61,9 +60,11 @@ CONFIG_MACH_OMAP_GENERIC=y
# TI OMAP2/3/4 Specific Features
#
CONFIG_ARCH_OMAP2PLUS_TYPICAL=y
+CONFIG_SOC_HAS_OMAP2_SDRC=y
# CONFIG_ARCH_OMAP2 is not set
CONFIG_ARCH_OMAP3=y
CONFIG_ARCH_OMAP4=y
+CONFIG_SOC_OMAP5=y
CONFIG_SOC_OMAP3430=y
CONFIG_SOC_TI81XX=y
CONFIG_SOC_AM33XX=y
@@ -76,7 +77,7 @@ CONFIG_OMAP_PACKAGE_CBS=y
#
# OMAP Board Type
#
-CONFIG_MACH_OMAP3_BEAGLE=y
+
CONFIG_MACH_DEVKIT8000=y
CONFIG_MACH_OMAP_LDP=y
CONFIG_MACH_OMAP3530_LV_SOM=y
@@ -86,7 +87,7 @@ CONFIG_MACH_OMAP3EVM=y
CONFIG_MACH_OMAP3517EVM=y
CONFIG_MACH_CRANEBOARD=y
CONFIG_MACH_OMAP3_PANDORA=y
-CONFIG_MACH_OMAP3_TOUCHBOOK=y
+CONFIG_MACH_TOUCHBOOK=y
CONFIG_MACH_OMAP_3430SDP=y
CONFIG_MACH_NOKIA_RM680=y
CONFIG_MACH_NOKIA_RX51=y
@@ -172,6 +173,7 @@ CONFIG_SCHED_SMT=y
CONFIG_NR_CPUS=2
CONFIG_HOTPLUG_CPU=y
CONFIG_LOCAL_TIMERS=y
+CONFIG_ARCH_NR_GPIO=512
CONFIG_HZ=128
# CONFIG_THUMB2_KERNEL is not set
CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
@@ -182,6 +184,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
# CPU Frequency scaling
#
# CONFIG_CPU_FREQ is not set
+CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED=y
#
# At least one emulation must be selected
@@ -212,7 +215,6 @@ CONFIG_XPS=y
# Generic Driver Options
#
CONFIG_REGMAP_I2C=y
-# CONFIG_CMA is not set
CONFIG_MTD=y
CONFIG_MTD_TESTS=m
# CONFIG_MTD_REDBOOT_PARTS is not set
@@ -361,6 +363,7 @@ CONFIG_I2C=y
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
+# CONFIG_I2C_NOMADIK is not set
CONFIG_I2C_OMAP=y
#
@@ -402,6 +405,8 @@ CONFIG_OMAP_WATCHDOG=y
#
CONFIG_MFD_CORE=y
# CONFIG_MFD_88PM860X is not set
+# CONFIG_MFD_88PM800 is not set
+# CONFIG_MFD_88PM805 is not set
# CONFIG_HTC_I2CPLD is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS65910 is not set
@@ -417,11 +422,12 @@ CONFIG_TWL6040_CORE=y
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX77686 is not set
# CONFIG_MFD_MAX77693 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_MAX8997 is not set
# CONFIG_MFD_MAX8998 is not set
-# CONFIG_MFD_S5M_CORE is not set
+# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X_I2C is not set
# CONFIG_MFD_WM8350_I2C is not set
@@ -446,6 +452,7 @@ CONFIG_REGULATOR_GPIO=y
# CONFIG_REGULATOR_MAX8952 is not set
# CONFIG_REGULATOR_LP3971 is not set
# CONFIG_REGULATOR_LP3972 is not set
+CONFIG_REGULATOR_LP872X=y
CONFIG_REGULATOR_TPS62360=m
# CONFIG_REGULATOR_TPS65023 is not set
# CONFIG_REGULATOR_TPS6507X is not set
@@ -453,15 +460,11 @@ CONFIG_REGULATOR_TPS65090=m
CONFIG_REGULATOR_TWL4030=y
#
-# Miscelaneous helper chips
+# Webcam and/or TV USB devices
#
# CONFIG_VIDEO_VPFE_CAPTURE is not set
CONFIG_VIDEO_OMAP2_VOUT_VRFB=y
CONFIG_VIDEO_OMAP2_VOUT=m
-
-#
-# Texas Instruments WL128x FM driver (ST based)
-#
# CONFIG_TTPCI_EEPROM is not set
#
@@ -525,7 +528,6 @@ CONFIG_USB_OHCI_HCD_OMAP3=y
# OTG and related infrastructure
#
CONFIG_USB_GPIO_VBUS=y
-# CONFIG_ISP1301_OMAP is not set
CONFIG_TWL4030_USB=y
CONFIG_TWL6030_USB=y
CONFIG_MMC=y
@@ -559,6 +561,12 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
# CONFIG_RTC_DRV_TWL4030 is not set
#
+# DMA Devices
+#
+CONFIG_DMA_OMAP=y
+CONFIG_DMA_VIRTUAL_CHANNELS=m
+
+#
# DMA Clients
#
CONFIG_VIRTIO=m
@@ -578,6 +586,9 @@ CONFIG_DRM_OMAP_NUM_CRTCS=1
#
# Android
#
+CONFIG_OMAP_BANDGAP=m
+CONFIG_OMAP4_THERMAL=y
+CONFIG_OMAP5_THERMAL=y
CONFIG_HWSPINLOCK=m
#
@@ -592,6 +603,11 @@ CONFIG_HWSPINLOCK_OMAP=m
CONFIG_TI_EMIF=m
#
+# File systems
+#
+CONFIG_DCACHE_WORD_ACCESS=y
+
+#
# Pseudo filesystems
#
# CONFIG_JFFS2_FS is not set
@@ -602,8 +618,8 @@ CONFIG_TI_EMIF=m
CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_RCU_CPU_STALL_INFO is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
-# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
CONFIG_OC_ETM=y
+# CONFIG_PID_IN_CONTEXTIDR is not set
#
# Non-executable pages
diff --git a/kernel/config-generic b/kernel/config-generic
index a2b2e3b..94f4834 100644
--- a/kernel/config-generic
+++ b/kernel/config-generic
@@ -56,6 +56,8 @@ CONFIG_HAVE_GENERIC_HARDIRQS=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_IRQ_DOMAIN=y
+# CONFIG_IRQ_DOMAIN_DEBUG is not set
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -81,10 +83,7 @@ CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
-CONFIG_CGROUP_MEM_RES_CTLR=y
-CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
-# CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED is not set
-CONFIG_CGROUP_MEM_RES_CTLR_KMEM=y
+# CONFIG_MEMCG is not set
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
@@ -98,7 +97,6 @@ CONFIG_IPC_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
-CONFIG_MM_OWNER=y
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
@@ -284,6 +282,7 @@ CONFIG_PM=y
#
# shared options
#
+# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
#
# Memory power savings
@@ -355,6 +354,7 @@ CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
+CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -448,6 +448,8 @@ CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
+CONFIG_NF_CT_NETLINK_HELPER=m
+CONFIG_NETFILTER_NETLINK_QUEUE_CT=y
CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XTABLES=y
@@ -630,7 +632,7 @@ CONFIG_IP_NF_ARP_MANGLE=m
#
CONFIG_NF_DEFRAG_IPV6=m
CONFIG_NF_CONNTRACK_IPV6=m
-CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
CONFIG_IP6_NF_MATCH_FRAG=m
@@ -758,6 +760,7 @@ CONFIG_NET_EMATCH_NBYTE=m
CONFIG_NET_EMATCH_U32=m
CONFIG_NET_EMATCH_META=m
CONFIG_NET_EMATCH_TEXT=m
+CONFIG_NET_EMATCH_IPSET=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
@@ -805,6 +808,7 @@ CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
CONFIG_BT_HCIUART_ATH3K=y
CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIUART_3WIRE=y
CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_BT_HCIBFUSB=m
@@ -829,7 +833,6 @@ CONFIG_CFG80211_DEFAULT_PS=y
CONFIG_CFG80211_DEBUGFS=y
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
-CONFIG_WIRELESS_EXT_SYSFS=y
CONFIG_LIB80211=m
CONFIG_LIB80211_CRYPT_WEP=m
CONFIG_LIB80211_CRYPT_CCMP=m
@@ -844,6 +847,7 @@ CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
CONFIG_MAC80211_DEBUGFS=y
+# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
# CONFIG_WIMAX is not set
CONFIG_RFKILL=m
@@ -953,7 +957,6 @@ CONFIG_EEPROM_93CX6=m
CONFIG_CB710_CORE=m
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
-# CONFIG_IWMC3200TOP is not set
#
# Texas Instruments shared transport line discipline
@@ -994,7 +997,6 @@ CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_SCAN_ASYNC=y
-CONFIG_SCSI_WAIT_SCAN=m
#
# SCSI Transports
@@ -1474,6 +1476,7 @@ CONFIG_CICADA_PHY=m
CONFIG_VITESSE_PHY=m
CONFIG_SMSC_PHY=m
CONFIG_BROADCOM_PHY=m
+CONFIG_BCM87XX_PHY=m
CONFIG_ICPLUS_PHY=m
CONFIG_REALTEK_PHY=m
CONFIG_NATIONAL_PHY=m
@@ -1624,7 +1627,6 @@ CONFIG_IWL3945=m
#
# CONFIG_IWLEGACY_DEBUG is not set
# CONFIG_IWLEGACY_DEBUGFS is not set
-# CONFIG_IWM is not set
CONFIG_LIBERTAS=m
CONFIG_LIBERTAS_USB=m
CONFIG_LIBERTAS_SDIO=m
@@ -1649,6 +1651,7 @@ CONFIG_RT2800PCI=m
CONFIG_RT2800PCI_RT33XX=y
CONFIG_RT2800PCI_RT35XX=y
CONFIG_RT2800PCI_RT53XX=y
+CONFIG_RT2800PCI_RT3290=y
CONFIG_RT2500USB=m
CONFIG_RT73USB=m
CONFIG_RT2800USB=m
@@ -1676,6 +1679,7 @@ CONFIG_WL_TI=y
CONFIG_WL1251=m
CONFIG_WL1251_SDIO=m
CONFIG_WL12XX=m
+CONFIG_WL18XX=m
CONFIG_WLCORE=m
CONFIG_WLCORE_SDIO=m
CONFIG_WL12XX_PLATFORM_DATA=y
@@ -2082,6 +2086,8 @@ CONFIG_GPIO_SYSFS=y
#
# PCI GPIO expanders:
#
+# CONFIG_GPIO_BT8XX is not set
+# CONFIG_GPIO_AMD8111 is not set
# CONFIG_GPIO_ML_IOH is not set
# CONFIG_GPIO_RDC321X is not set
@@ -2122,6 +2128,7 @@ CONFIG_W1_SLAVE_DS2433_CRC=y
CONFIG_W1_SLAVE_DS2760=m
CONFIG_W1_SLAVE_DS2780=m
CONFIG_W1_SLAVE_DS2781=m
+CONFIG_W1_SLAVE_DS28E04=m
CONFIG_W1_SLAVE_BQ27000=m
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
@@ -2140,6 +2147,7 @@ CONFIG_POWER_SUPPLY=y
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_CHARGER_SMB347 is not set
+CONFIG_POWER_AVS=y
CONFIG_HWMON=y
CONFIG_HWMON_VID=m
# CONFIG_HWMON_DEBUG_CHIP is not set
@@ -2171,6 +2179,7 @@ CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_GL518SM=m
CONFIG_SENSORS_GL520SM=m
# CONFIG_SENSORS_GPIO_FAN is not set
+CONFIG_SENSORS_HIH6130=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
CONFIG_SENSORS_IT87=m
@@ -2315,6 +2324,7 @@ CONFIG_MFD_LM3533=m
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65217 is not set
# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_ARIZONA_I2C is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_MFD_MC13XXX_I2C is not set
# CONFIG_ABX500_CORE is not set
@@ -2331,22 +2341,28 @@ CONFIG_MEDIA_SUPPORT=m
#
# Multimedia core support
#
+CONFIG_MEDIA_CAMERA_SUPPORT=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+CONFIG_MEDIA_RC_SUPPORT=y
CONFIG_MEDIA_CONTROLLER=y
CONFIG_VIDEO_DEV=m
CONFIG_VIDEO_V4L2_COMMON=m
CONFIG_VIDEO_V4L2_SUBDEV_API=y
CONFIG_DVB_CORE=m
CONFIG_DVB_NET=y
-CONFIG_VIDEO_MEDIA=m
#
-# Multimedia drivers
+# Media drivers
#
CONFIG_VIDEO_SAA7146=m
CONFIG_VIDEO_SAA7146_VV=m
CONFIG_RC_CORE=m
-CONFIG_LIRC=m
# CONFIG_RC_MAP is not set
+CONFIG_RC_DECODERS=y
+CONFIG_LIRC=m
+CONFIG_IR_LIRC_CODEC=m
CONFIG_IR_NEC_DECODER=m
CONFIG_IR_RC5_DECODER=m
CONFIG_IR_RC6_DECODER=m
@@ -2355,29 +2371,20 @@ CONFIG_IR_SONY_DECODER=m
CONFIG_IR_RC5_SZ_DECODER=m
CONFIG_IR_SANYO_DECODER=m
CONFIG_IR_MCE_KBD_DECODER=m
-CONFIG_IR_LIRC_CODEC=m
+CONFIG_RC_DEVICES=y
# CONFIG_RC_ATI_REMOTE is not set
CONFIG_IR_IMON=m
CONFIG_IR_MCEUSB=m
CONFIG_IR_REDRAT3=m
CONFIG_IR_STREAMZAP=m
+CONFIG_IR_IGUANA=m
CONFIG_RC_LOOPBACK=m
CONFIG_IR_GPIO_CIR=m
CONFIG_MEDIA_ATTACH=y
-CONFIG_MEDIA_TUNER=m
-CONFIG_MEDIA_TUNER_CUSTOMISE=y
-
-#
-# Customize TV tuners
-#
CONFIG_MEDIA_TUNER_SIMPLE=m
-CONFIG_MEDIA_TUNER_TDA8290=m
CONFIG_MEDIA_TUNER_TDA827X=m
CONFIG_MEDIA_TUNER_TDA18271=m
CONFIG_MEDIA_TUNER_TDA9887=m
-CONFIG_MEDIA_TUNER_TEA5761=m
-CONFIG_MEDIA_TUNER_TEA5767=m
-CONFIG_MEDIA_TUNER_MT20XX=m
CONFIG_MEDIA_TUNER_MT2060=m
CONFIG_MEDIA_TUNER_MT2063=m
CONFIG_MEDIA_TUNER_MT2266=m
@@ -2402,7 +2409,6 @@ CONFIG_VIDEOBUF_DMA_SG=m
CONFIG_VIDEOBUF_VMALLOC=m
CONFIG_VIDEOBUF_DMA_CONTIG=m
CONFIG_VIDEOBUF_DVB=m
-CONFIG_VIDEO_BTCX=m
CONFIG_VIDEO_TVEEPROM=m
CONFIG_VIDEO_TUNER=m
CONFIG_VIDEOBUF2_CORE=m
@@ -2417,54 +2423,30 @@ CONFIG_VIDEO_IR_I2C=m
#
# Audio decoders, processors and mixers
#
-CONFIG_VIDEO_TVAUDIO=m
-CONFIG_VIDEO_TDA7432=m
-CONFIG_VIDEO_TDA9840=m
-CONFIG_VIDEO_TEA6415C=m
-CONFIG_VIDEO_TEA6420=m
CONFIG_VIDEO_MSP3400=m
-CONFIG_VIDEO_CS5345=m
-CONFIG_VIDEO_CS53L32A=m
-CONFIG_VIDEO_WM8775=m
-CONFIG_VIDEO_WM8739=m
-CONFIG_VIDEO_VP27SMPX=m
#
# RDS decoders
#
-CONFIG_VIDEO_SAA6588=m
#
# Video decoders
#
CONFIG_VIDEO_ADV7180=m
-CONFIG_VIDEO_BT819=m
-CONFIG_VIDEO_BT856=m
-CONFIG_VIDEO_BT866=m
-CONFIG_VIDEO_KS0127=m
-CONFIG_VIDEO_SAA7110=m
CONFIG_VIDEO_SAA711X=m
CONFIG_VIDEO_TVP5150=m
-CONFIG_VIDEO_VPX3220=m
#
# Video and audio decoders
#
-CONFIG_VIDEO_SAA717X=m
-CONFIG_VIDEO_CX25840=m
#
# MPEG video encoders
#
-CONFIG_VIDEO_CX2341X=m
#
# Video encoders
#
-CONFIG_VIDEO_SAA7127=m
-CONFIG_VIDEO_SAA7185=m
-CONFIG_VIDEO_ADV7170=m
-CONFIG_VIDEO_ADV7175=m
#
# Camera sensor devices
@@ -2479,16 +2461,16 @@ CONFIG_VIDEO_MT9V011=m
#
# Video improvement chips
#
-CONFIG_VIDEO_UPD64031A=m
-CONFIG_VIDEO_UPD64083=m
#
# Miscelaneous helper chips
#
-CONFIG_VIDEO_M52790=m
# CONFIG_VIDEO_VIVI is not set
CONFIG_V4L_USB_DRIVERS=y
-CONFIG_VIDEO_AU0828=m
+
+#
+# Webcam devices
+#
CONFIG_USB_VIDEO_CLASS=m
CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
CONFIG_USB_GSPCA=m
@@ -2538,23 +2520,6 @@ CONFIG_USB_GSPCA_VC032X=m
CONFIG_USB_GSPCA_VICAM=m
CONFIG_USB_GSPCA_XIRLINK_CIT=m
CONFIG_USB_GSPCA_ZC3XX=m
-CONFIG_VIDEO_PVRUSB2=m
-CONFIG_VIDEO_PVRUSB2_SYSFS=y
-CONFIG_VIDEO_PVRUSB2_DVB=y
-# CONFIG_VIDEO_PVRUSB2_DEBUGIFC is not set
-CONFIG_VIDEO_HDPVR=m
-CONFIG_VIDEO_EM28XX=m
-CONFIG_VIDEO_EM28XX_ALSA=m
-CONFIG_VIDEO_EM28XX_DVB=m
-CONFIG_VIDEO_EM28XX_RC=m
-CONFIG_VIDEO_TLG2300=m
-CONFIG_VIDEO_CX231XX=m
-CONFIG_VIDEO_CX231XX_RC=y
-CONFIG_VIDEO_CX231XX_ALSA=m
-CONFIG_VIDEO_CX231XX_DVB=m
-# CONFIG_VIDEO_TM6000 is not set
-CONFIG_VIDEO_USBVISION=m
-# CONFIG_USB_SN9C102 is not set
CONFIG_USB_PWC=m
# CONFIG_USB_PWC_DEBUG is not set
CONFIG_USB_PWC_INPUT_EVDEV=y
@@ -2562,38 +2527,15 @@ CONFIG_VIDEO_CPIA2=m
CONFIG_USB_ZR364XX=m
CONFIG_USB_STKWEBCAM=m
CONFIG_USB_S2255=m
-CONFIG_V4L_PCI_DRIVERS=y
-CONFIG_VIDEO_BT848=m
-CONFIG_VIDEO_BT848_DVB=y
-CONFIG_VIDEO_CX18=m
-CONFIG_VIDEO_CX18_ALSA=m
-CONFIG_VIDEO_CX23885=m
-# CONFIG_MEDIA_ALTERA_CI is not set
-# CONFIG_VIDEO_CX25821 is not set
-CONFIG_VIDEO_CX88=m
-CONFIG_VIDEO_CX88_ALSA=m
-CONFIG_VIDEO_CX88_BLACKBIRD=m
-CONFIG_VIDEO_CX88_DVB=m
-CONFIG_VIDEO_CX88_VP3054=m
-CONFIG_VIDEO_CX88_MPEG=m
-CONFIG_VIDEO_HEXIUM_GEMINI=m
-CONFIG_VIDEO_HEXIUM_ORION=m
-CONFIG_VIDEO_IVTV=m
-CONFIG_VIDEO_FB_IVTV=m
-CONFIG_VIDEO_MXB=m
-CONFIG_VIDEO_SAA7134=m
-CONFIG_VIDEO_SAA7134_ALSA=m
-CONFIG_VIDEO_SAA7134_RC=y
-CONFIG_VIDEO_SAA7134_DVB=m
-CONFIG_VIDEO_SAA7164=m
-CONFIG_VIDEO_ZORAN=m
-CONFIG_VIDEO_ZORAN_DC30=m
-CONFIG_VIDEO_ZORAN_ZR36060=m
-CONFIG_VIDEO_ZORAN_BUZ=m
-CONFIG_VIDEO_ZORAN_DC10=m
-CONFIG_VIDEO_ZORAN_LML33=m
-CONFIG_VIDEO_ZORAN_LML33R10=m
-CONFIG_VIDEO_ZORAN_AVS6EYES=m
+# CONFIG_USB_SN9C102 is not set
+
+#
+# Webcam and/or TV USB devices
+#
+CONFIG_VIDEO_EM28XX=m
+CONFIG_VIDEO_EM28XX_ALSA=m
+CONFIG_VIDEO_EM28XX_DVB=m
+CONFIG_VIDEO_EM28XX_RC=m
# CONFIG_V4L_ISA_PARPORT_DRIVERS is not set
CONFIG_V4L_PLATFORM_DRIVERS=y
CONFIG_VIDEO_TIMBERDALE=m
@@ -2615,25 +2557,6 @@ CONFIG_SOC_CAMERA_OV9640=m
CONFIG_SOC_CAMERA_OV9740=m
CONFIG_V4L_MEM2MEM_DRIVERS=y
# CONFIG_VIDEO_MEM2MEM_TESTDEV is not set
-CONFIG_RADIO_ADAPTERS=y
-CONFIG_RADIO_SI470X=y
-CONFIG_USB_SI470X=m
-CONFIG_I2C_SI470X=m
-CONFIG_USB_MR800=m
-CONFIG_USB_DSBR=m
-CONFIG_RADIO_MAXIRADIO=m
-CONFIG_I2C_SI4713=m
-CONFIG_RADIO_SI4713=m
-CONFIG_USB_KEENE=m
-# CONFIG_RADIO_TEA5764 is not set
-# CONFIG_RADIO_SAA7706H is not set
-# CONFIG_RADIO_TEF6862 is not set
-CONFIG_RADIO_WL1273=m
-
-#
-# Texas Instruments WL128x FM driver (ST based)
-#
-# CONFIG_RADIO_WL128X is not set
CONFIG_DVB_MAX_ADAPTERS=8
CONFIG_DVB_DYNAMIC_MINORS=y
CONFIG_DVB_CAPTURE_DRIVERS=y
@@ -2713,7 +2636,6 @@ CONFIG_DVB_B2C2_FLEXCOP_USB=m
#
# Supported BT878 Adapters
#
-CONFIG_DVB_BT8XX=m
#
# Supported Pluto2 Adapters
@@ -2756,11 +2678,6 @@ CONFIG_DVB_NGENE=m
#
# Supported DVB Frontends
#
-CONFIG_DVB_FE_CUSTOMISE=y
-
-#
-# Customise DVB Frontends
-#
#
# Multistandard (satellite) frontends
@@ -2779,10 +2696,8 @@ CONFIG_DVB_TDA18271C2DD=m
#
# DVB-S (satellite) frontends
#
-CONFIG_DVB_CX24110=m
CONFIG_DVB_CX24123=m
CONFIG_DVB_MT312=m
-CONFIG_DVB_ZL10036=m
CONFIG_DVB_ZL10039=m
CONFIG_DVB_S5H1420=m
CONFIG_DVB_STV0288=m
@@ -2808,10 +2723,8 @@ CONFIG_DVB_TDA10071=m
# DVB-T (terrestrial) frontends
#
CONFIG_DVB_SP8870=m
-CONFIG_DVB_SP887X=m
CONFIG_DVB_CX22700=m
CONFIG_DVB_CX22702=m
-CONFIG_DVB_S5H1432=m
CONFIG_DVB_DRXD=m
CONFIG_DVB_L64781=m
CONFIG_DVB_TDA1004X=m
@@ -2822,14 +2735,11 @@ CONFIG_DVB_DIB3000MB=m
CONFIG_DVB_DIB3000MC=m
CONFIG_DVB_DIB7000M=m
CONFIG_DVB_DIB7000P=m
-CONFIG_DVB_DIB9000=m
-CONFIG_DVB_TDA10048=m
CONFIG_DVB_AF9013=m
CONFIG_DVB_EC100=m
-CONFIG_DVB_HD29L2=m
-CONFIG_DVB_STV0367=m
CONFIG_DVB_CXD2820R=m
CONFIG_DVB_RTL2830=m
+CONFIG_DVB_RTL2832=m
#
# DVB-C (cable) frontends
@@ -2843,16 +2753,9 @@ CONFIG_DVB_STV0297=m
# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
#
CONFIG_DVB_NXT200X=m
-CONFIG_DVB_OR51211=m
-CONFIG_DVB_OR51132=m
CONFIG_DVB_BCM3510=m
CONFIG_DVB_LGDT330X=m
CONFIG_DVB_LGDT3305=m
-CONFIG_DVB_LG2160=m
-CONFIG_DVB_S5H1409=m
-CONFIG_DVB_AU8522=m
-CONFIG_DVB_AU8522_DTV=m
-CONFIG_DVB_AU8522_V4L=m
CONFIG_DVB_S5H1411=m
#
@@ -2860,7 +2763,6 @@ CONFIG_DVB_S5H1411=m
#
CONFIG_DVB_S921=m
CONFIG_DVB_DIB8000=m
-CONFIG_DVB_MB86A20S=m
#
# Digital terrestrial only tuners/PLL
@@ -2873,17 +2775,13 @@ CONFIG_DVB_TUNER_DIB0090=m
# SEC control devices for DVB-S
#
CONFIG_DVB_LNBP21=m
-CONFIG_DVB_LNBP22=m
-CONFIG_DVB_ISL6405=m
CONFIG_DVB_ISL6421=m
CONFIG_DVB_ISL6423=m
CONFIG_DVB_A8293=m
-CONFIG_DVB_LGS8GL5=m
CONFIG_DVB_LGS8GXX=m
CONFIG_DVB_ATBM8830=m
CONFIG_DVB_TDA665x=m
CONFIG_DVB_IX2505V=m
-CONFIG_DVB_IT913X_FE=m
CONFIG_DVB_M88RS2000=m
CONFIG_DVB_AF9033=m
@@ -2912,6 +2810,7 @@ CONFIG_DRM_MGA=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_VMWGFX=m
+# CONFIG_DRM_VMWGFX_FBCON is not set
CONFIG_DRM_UDL=m
CONFIG_DRM_AST=m
CONFIG_DRM_MGAG200=m
@@ -3172,6 +3071,7 @@ CONFIG_AC97_BUS=m
CONFIG_HID=y
# CONFIG_HID_BATTERY_STRENGTH is not set
CONFIG_HIDRAW=y
+# CONFIG_UHID is not set
CONFIG_HID_GENERIC=m
#
@@ -3199,6 +3099,7 @@ CONFIG_HID_GYRATION=m
CONFIG_HID_TWINHAN=m
CONFIG_HID_KENSINGTON=y
CONFIG_HID_LCPOWER=m
+CONFIG_HID_LENOVO_TPKBD=m
CONFIG_HID_LOGITECH=y
CONFIG_HID_LOGITECH_DJ=m
# CONFIG_LOGITECH_FF is not set
@@ -3499,13 +3400,16 @@ CONFIG_LEDS_PCA9633=m
# CONFIG_LEDS_BD2802 is not set
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_TCA6507=m
+CONFIG_LEDS_LM3556=m
CONFIG_LEDS_OT200=m
+CONFIG_LEDS_BLINKM=m
CONFIG_LEDS_TRIGGERS=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGER_TIMER=m
+CONFIG_LEDS_TRIGGER_ONESHOT=m
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_LEDS_TRIGGER_BACKLIGHT=m
CONFIG_LEDS_TRIGGER_GPIO=m
@@ -3650,6 +3554,7 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_VT6655 is not set
# CONFIG_VT6656 is not set
# CONFIG_DX_SEP is not set
+CONFIG_ZSMALLOC=m
# CONFIG_FB_SM7XX is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_FB_XGI is not set
@@ -3673,6 +3578,7 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_USB_WPAN_HCD is not set
# CONFIG_IPACK_BUS is not set
# CONFIG_WIMAX_GDM72XX is not set
+# CONFIG_CSR_WIFI is not set
#
# Hardware Spinlock drivers
@@ -3692,6 +3598,7 @@ CONFIG_VIRT_DRIVERS=y
CONFIG_MEMORY=y
# CONFIG_IIO is not set
# CONFIG_VME_BUS is not set
+# CONFIG_PWM is not set
#
# Firmware Drivers
@@ -3811,6 +3718,8 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_QNX6FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_PSTORE=y
+# CONFIG_PSTORE_CONSOLE is not set
+# CONFIG_PSTORE_FTRACE is not set
# CONFIG_PSTORE_RAM is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
@@ -3818,10 +3727,11 @@ CONFIG_PSTORE=y
CONFIG_ORE=m
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=m
-CONFIG_NFS_V2=y
-CONFIG_NFS_V3=y
+CONFIG_NFS_V2=m
+CONFIG_NFS_V3=m
CONFIG_NFS_V3_ACL=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
+# CONFIG_NFS_SWAP is not set
CONFIG_NFS_V4_1=y
CONFIG_PNFS_FILE_LAYOUT=m
CONFIG_PNFS_BLOCK=m
@@ -3978,6 +3888,7 @@ CONFIG_BOOT_PRINTK_DELAY=y
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_LKDTM is not set
+# CONFIG_NOTIFIER_ERROR_INJECTION is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_NOP_TRACER=y
@@ -4009,7 +3920,6 @@ CONFIG_FUNCTION_PROFILER=y
CONFIG_FTRACE_MCOUNT_RECORD=y
# CONFIG_FTRACE_STARTUP_TEST is not set
CONFIG_RING_BUFFER_BENCHMARK=m
-# CONFIG_FIREWIRE_OHCI_REMOTE_DMA is not set
# CONFIG_BUILD_DOCSRC is not set
CONFIG_DYNAMIC_DEBUG=y
# CONFIG_DMA_API_DEBUG is not set
@@ -4107,9 +4017,9 @@ CONFIG_GRKERNSEC_CHROOT_MOUNT=y
CONFIG_GRKERNSEC_CHROOT_DOUBLE=y
CONFIG_GRKERNSEC_CHROOT_PIVOT=y
CONFIG_GRKERNSEC_CHROOT_CHDIR=y
-CONFIG_GRKERNSEC_CHROOT_CHMOD=y
+# CONFIG_GRKERNSEC_CHROOT_CHMOD is not set
CONFIG_GRKERNSEC_CHROOT_FCHDIR=y
-CONFIG_GRKERNSEC_CHROOT_MKNOD=y
+# CONFIG_GRKERNSEC_CHROOT_MKNOD is not set
CONFIG_GRKERNSEC_CHROOT_SHMAT=y
CONFIG_GRKERNSEC_CHROOT_UNIX=y
CONFIG_GRKERNSEC_CHROOT_FINDTASK=y
@@ -4302,6 +4212,8 @@ CONFIG_BINARY_PRINTF=y
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IO=y
CONFIG_CRC_CCITT=m
@@ -4345,6 +4257,7 @@ CONFIG_HAS_DMA=y
CONFIG_CHECK_SIGNATURE=y
CONFIG_DQL=y
CONFIG_NLATTR=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_AVERAGE=y
CONFIG_CORDIC=m
# CONFIG_DDR is not set
diff --git a/kernel/config-i686-default b/kernel/config-i686-default
index 31014ae..ad335e1 100644
--- a/kernel/config-i686-default
+++ b/kernel/config-i686-default
@@ -19,6 +19,11 @@ CONFIG_KTIME_SCALAR=y
CONFIG_RCU_FANOUT=32
#
+# Kernel Performance Events And Counters
+#
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+
+#
# GCOV-based kernel profiling
#
CONFIG_LBDAF=y
@@ -208,12 +213,12 @@ CONFIG_GEODE_WDT=m
# CONFIG_SBC7240_WDT is not set
#
-# Customize TV tuners
+# Media drivers
#
CONFIG_VIDEOBUF2_DMA_CONTIG=m
#
-# Miscelaneous helper chips
+# Webcam and/or TV USB devices
#
CONFIG_VIDEO_CAFE_CCIC=m
@@ -260,7 +265,6 @@ CONFIG_CLKSRC_I8253=y
# Kernel hacking
#
# CONFIG_DEBUG_HIGHMEM is not set
-# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
CONFIG_DOUBLEFAULT=y
#
diff --git a/kernel/config-i686-legacy b/kernel/config-i686-legacy
index 61a5487..b7416f2 100644
--- a/kernel/config-i686-legacy
+++ b/kernel/config-i686-legacy
@@ -1,11 +1,5 @@
#
-# IRQ subsystem
-#
-CONFIG_IRQ_DOMAIN=y
-# CONFIG_IRQ_DOMAIN_DEBUG is not set
-
-#
# Processor type and features
#
# CONFIG_XEN_PRIVILEGED_GUEST is not set
@@ -121,6 +115,11 @@ CONFIG_FB_SYS_FOPS=m
CONFIG_XO1_RFKILL=m
#
+# Hardware Spinlock drivers
+#
+CONFIG_OF_IOMMU=y
+
+#
# Non-executable pages
#
CONFIG_PAX_KERNEXEC=y
diff --git a/kernel/config-x86-generic b/kernel/config-x86-generic
index f9ad22f..71624c5 100644
--- a/kernel/config-x86-generic
+++ b/kernel/config-x86-generic
@@ -42,6 +42,7 @@ CONFIG_TREE_RCU=y
CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_FANOUT_EXACT is not set
CONFIG_RCU_FAST_NO_HZ=y
+# CONFIG_CGROUP_HUGETLB is not set
CONFIG_PCSPKR_PLATFORM=y
#
@@ -129,6 +130,7 @@ CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_MEMORY_ISOLATION=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
@@ -499,7 +501,7 @@ CONFIG_XEN_WDT=m
CONFIG_MFD_CS5535=m
#
-# Multimedia drivers
+# Media drivers
#
CONFIG_IR_ENE=m
CONFIG_IR_ITE_CIR=m
@@ -508,9 +510,8 @@ CONFIG_IR_NUVOTON=m
CONFIG_IR_WINBOND_CIR=m
#
-# Miscelaneous helper chips
+# Webcam and/or TV USB devices
#
-CONFIG_VIDEO_MEYE=m
CONFIG_VIDEO_VIA_CAMERA=m
#
@@ -616,6 +617,7 @@ CONFIG_EDAC=y
#
# Reporting subsystems
#
+# CONFIG_EDAC_LEGACY_SYSFS is not set
# CONFIG_EDAC_DEBUG is not set
CONFIG_EDAC_DECODE_MCE=m
CONFIG_EDAC_MCE_INJ=m
@@ -642,6 +644,7 @@ CONFIG_PCH_DMA=m
# DMA Clients
#
CONFIG_DCA=m
+# CONFIG_VFIO is not set
#
# Microsoft Hyper-V guest support
@@ -670,8 +673,6 @@ CONFIG_XEN_ACPI_PROCESSOR=m
# CONFIG_SLICOSS is not set
# CONFIG_COMEDI is not set
# CONFIG_ZRAM is not set
-# CONFIG_ZCACHE is not set
-CONFIG_ZSMALLOC=m
# CONFIG_ACPI_QUICKSTART is not set
#
@@ -771,7 +772,6 @@ CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_RCU_CPU_STALL_INFO is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
-# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_FTRACE_SYSCALLS=y
# CONFIG_UPROBE_EVENT is not set
@@ -782,6 +782,7 @@ CONFIG_EARLY_PRINTK=y
CONFIG_DEBUG_STACKOVERFLOW=y
# CONFIG_X86_PTDUMP is not set
CONFIG_DEBUG_NX_TEST=m
+# CONFIG_DEBUG_TLBFLUSH is not set
# CONFIG_IOMMU_STRESS is not set
CONFIG_IO_DELAY_TYPE_0X80=0
CONFIG_IO_DELAY_TYPE_0XED=1
@@ -847,6 +848,8 @@ CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
# Crypto core or helper
#
CONFIG_CRYPTO_PCRYPT=m
+CONFIG_CRYPTO_ABLK_HELPER_X86=y
+CONFIG_CRYPTO_GLUE_HELPER_X86=m
#
# Digest
@@ -877,8 +880,6 @@ CONFIG_VHOST_NET=m
#
# Library routines
#
-CONFIG_GENERIC_STRNCPY_FROM_USER=y
-CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_ALLOCATOR=y
diff --git a/kernel/config-x86_64-default b/kernel/config-x86_64-default
index 1fa32df..5a6a0ab 100644
--- a/kernel/config-x86_64-default
+++ b/kernel/config-x86_64-default
@@ -12,8 +12,6 @@ CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -
#
# IRQ subsystem
#
-CONFIG_IRQ_DOMAIN=y
-# CONFIG_IRQ_DOMAIN_DEBUG is not set
CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_GENERIC_TIME_VSYSCALL=y
@@ -25,6 +23,7 @@ CONFIG_RCU_FANOUT=64
#
# Kernel Performance Events And Counters
#
+CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
#
@@ -134,7 +133,7 @@ CONFIG_SGI_IOC4=m
CONFIG_GPIO_LANGWELL=y
#
-# Miscelaneous helper chips
+# Webcam and/or TV USB devices
#
# CONFIG_VIDEO_CAFE_CCIC is not set
@@ -146,6 +145,11 @@ CONFIG_EDAC_AMD64=m
CONFIG_EDAC_SBRIDGE=m
#
+# Xen driver support
+#
+# CONFIG_XEN_MCE_LOG is not set
+
+#
# Hardware Spinlock drivers
#
CONFIG_AMD_IOMMU=y
@@ -161,7 +165,6 @@ CONFIG_QUOTACTL_COMPAT=y
# Kernel hacking
#
CONFIG_FUNCTION_GRAPH_TRACER=y
-CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
# CONFIG_IOMMU_DEBUG is not set
#
@@ -188,5 +191,7 @@ CONFIG_CRYPTO_BLOWFISH_X86_64=m
CONFIG_CRYPTO_CAMELLIA_X86_64=m
CONFIG_CRYPTO_SALSA20_X86_64=m
CONFIG_CRYPTO_SERPENT_SSE2_X86_64=m
+CONFIG_CRYPTO_SERPENT_AVX_X86_64=m
CONFIG_CRYPTO_TWOFISH_X86_64=m
CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=m
+CONFIG_CRYPTO_TWOFISH_AVX_X86_64=m
diff --git a/kernel/kernel.nm b/kernel/kernel.nm
index 5ff9ba3..b572424 100644
--- a/kernel/kernel.nm
+++ b/kernel/kernel.nm
@@ -4,8 +4,8 @@
###############################################################################
name = kernel
-version = 3.5.3
-release = 0.1
+version = 3.6.6
+release = 1
thisapp = linux-%{version}
maintainer = Michael Tremer <michael.tremer(a)ipfire.org>
@@ -36,7 +36,7 @@ build
requires
asciidoc
- binutils >= 2.22.52.0.3-2
+ binutils >= 2.23.51.0.3-3
binutils-devel
bison
elfutils-devel
@@ -45,25 +45,24 @@ build
gettext
ncurses-devel
net-tools
+ newt-devel
+ pciutils-devel
perl
python-devel
+ slang-devel
xmlto
/sbin/depmod
end
- tools_cpupower_requires
- newt-devel
- pciutils-devel
- slang-devel
+ # i686 needs librmi for cpupower.
+ if "%{DISTRO_ARCH}" == "i686"
+ requires += liblrmi-devel
end
# A list of kernels to build.
kernels =
- # Should we build cpupower?
- build_cpupower = 1
-
# Arguments that are passed to the kernel build command.
kernel_build_flags =
@@ -96,9 +95,6 @@ build
kernel_arch = arm
kernel_image = arch/%{kernel_arch}/boot/zImage
- # ARM does not support cpupower.
- build_cpupower = 0
-
# http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/091404.html
kernel_build_flags = KALLSYMS_EXTRA_PASS=1
end
@@ -109,9 +105,6 @@ build
kernel_arch = arm
kernel_image = arch/%{kernel_arch}/boot/zImage
-
- # ARM does not support cpupower.
- build_cpupower = 0
end
# Build default kernel.
@@ -134,11 +127,6 @@ build
kernels += omap
end
- # Add tools' build requirements if build is requested.
- if "%{build_cpupower}" == "1"
- requires += %{tools_cpupower_requires}
- end
-
prepare_cmds
rm -f %{DIR_APP}/localversion-grsec
@@ -236,51 +224,51 @@ build
esac
# Create an empty settings file for dracut
- mkdir -pv %{BUILDROOT}/etc/ld.so.conf.d
+ mkdir -p %{BUILDROOT}/etc/ld.so.conf.d
echo "# Placeholder file, no vDSO hwcap entries used in this kernel." \
> %{BUILDROOT}/etc/ld.so.conf.d/kernel-${fullversion}.conf
# And now the scary looking part.
#
# Recreate source and build links.
- rm -vf %{BUILDROOT}/usr/lib/modules/${fullversion}/{build,source}
- mkdir -pv %{BUILDROOT}/usr/lib/modules/${fullversion}/build
- ln -svf build %{BUILDROOT}/usr/lib/modules/${fullversion}/source
+ rm -f %{BUILDROOT}/usr/lib/modules/${fullversion}/{build,source}
+ mkdir -p %{BUILDROOT}/usr/lib/modules/${fullversion}/build
+ ln -sf build %{BUILDROOT}/usr/lib/modules/${fullversion}/source
# Create dirs for extra modules.
- mkdir -pv %{BUILDROOT}/usr/lib/modules/${fullversion}/extra
+ mkdir -p %{BUILDROOT}/usr/lib/modules/${fullversion}/extra
- cp -v --parents $(find -type f -name "Makefile*" -o -name "Kconfig*") \
+ cp --parents $(find -type f -name "Makefile*" -o -name "Kconfig*") \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build
- cp -v Module.symvers System.map \
+ cp Module.symvers System.map \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build
- rm -vrf %{BUILDROOT}/usr/lib/modules/${fullversion}/build/{Documentation,scripts,include}
+ rm -rf %{BUILDROOT}/usr/lib/modules/${fullversion}/build/{Documentation,scripts,include}
- cp -v .config %{BUILDROOT}/usr/lib/modules/${fullversion}/build
- cp -va scripts %{BUILDROOT}/usr/lib/modules/${fullversion}/build
+ cp .config %{BUILDROOT}/usr/lib/modules/${fullversion}/build
+ cp -a scripts %{BUILDROOT}/usr/lib/modules/${fullversion}/build
find %{BUILDROOT}/usr/lib/modules/${fullversion}/build/scripts -name "*.o" \
-exec rm -vf {} \;
- cp -va --parents arch/%{kernel_arch}/include \
+ cp -a --parents arch/%{kernel_arch}/include \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build
- cp -va include %{BUILDROOT}/usr/lib/modules/${fullversion}/build/include
+ cp -a include %{BUILDROOT}/usr/lib/modules/${fullversion}/build/include
# Make sure we can build external modules.
touch -r %{BUILDROOT}/usr/lib/modules/${fullversion}/build/Makefile \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build/include/linux/version.h
touch -r %{BUILDROOT}/usr/lib/modules/${fullversion}/build/.config \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build/autoconf.h
- cp -v %{BUILDROOT}/usr/lib/modules/${fullversion}/build/.config \
+ cp %{BUILDROOT}/usr/lib/modules/${fullversion}/build/.config \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build/include/config/auto.conf
find %{BUILDROOT}/usr/lib/modules/${fullversion} -name "*.ko" -type f | \
xargs chmod u+x
# Move all development files to /usr/src.
- mkdir -pv %{BUILDROOT}/usr/src/kernels
- mv -v %{BUILDROOT}/usr/lib/modules/${fullversion}/build \
+ mkdir -p %{BUILDROOT}/usr/src/kernels
+ mv %{BUILDROOT}/usr/lib/modules/${fullversion}/build \
%{BUILDROOT}/usr/src/kernels/${fullversion}
- ln -svf ../../../src/kernels/${fullversion} \
+ ln -sf ../../../src/kernels/${fullversion} \
%{BUILDROOT}/usr/lib/modules/${fullversion}/build
find %{BUILDROOT}/usr/src/kernels -name ".*.cmd" -exec rm -f {} \;
@@ -292,13 +280,17 @@ build
# Build tools.
# cpupower
- if [ "%{build_cpupower}" = "1" ]; then
- chmod +x tools/power/cpupower/utils/version-gen.sh
- make -C tools/power/cpupower CPUFREQ_BENCH=false %{PARALLELISMFLAGS}
-
- cd tools/power/cpupower/debug/i386
- make %{PARALLELISMFLAGS} centrino-decode powernow-k8-decode
- cd -
+ chmod +x tools/power/cpupower/utils/version-gen.sh
+ make -C tools/power/cpupower CPUFREQ_BENCH=false %{PARALLELISMFLAGS}
+
+ if [ "%{DISTRO_ARCH}" = "x86_64" ]; then
+ pushd tools/power/cpupower/debug/x86_64
+ make %{MAKETUNING}
+ popd
+ elif [ "%{DISTRO_ARCH}" = "i686" ]; then
+ pushd tools/power/cpupower/debug/i386
+ make %{MAKETUNING}
+ popd
fi
end
@@ -325,18 +317,29 @@ build
# Install tools.
make -C tools/perf DESTDIR=%{BUILDROOT} WERROR=0 \
HAVE_CPLUS_DEMANGLE=1 prefix=/usr perfexecdir=lib/perf-core \
- install install-man
+ install install-man install-python_ext
# cpupower
- if [ "%{build_cpupower}" = "1" ]; then
- make -C tools/power/cpupower DESTDIR=%{BUILDROOT} libdir=%{libdir} \
- mandir=%{mandir} CPUFREQ_BENCH=false install
- cd tools/power/cpupower/debug/i386
- install -m 755 centrino-decode %{BUILDROOT}/usr/bin/centrino-decode
- install -m 755 powernow-k8-decode %{BUILDROOT}/usr/bin/powernow-k8-decode
- cd -
- chmod 0755 %{BUILDROOT}%{libdir}/libcpupower.so*
+ make -C tools/power/cpupower DESTDIR=%{BUILDROOT} libdir=%{libdir} \
+ mandir=%{mandir} CPUFREQ_BENCH=false install
+
+ if [ "%{DISTRO_ARCH}" = "x86_64" ]; then
+ pushd tools/power/cpupower/debug/x86_64
+ install -m 755 centrino-decode \
+ %{BUILDROOT}/usr/bin/centrino-decode
+ install -m 755 powernow-k8-decode \
+ %{BUILDROOT}/usr/bin/powernow-k8-decode
+ popd
+ elif [ "%{DISTRO_ARCH}" = "i686" ]; then
+ pushd tools/power/cpupower/debug/i386
+ install -m 755 centrino-decode \
+ %{BUILDROOT}/usr/bin/centrino-decode
+ install -m 755 powernow-k8-decode \
+ %{BUILDROOT}/usr/bin/powernow-k8-decode
+ popd
fi
+
+ chmod 0755 %{BUILDROOT}%{libdir}/libcpupower.so*
end
end
diff --git a/kernel/patches/grsecurity-2.9.1-3.5.3-201209062131.patch b/kernel/patches/grsecurity-2.9.1-3.5.3-201209062131.patch
deleted file mode 100644
index 07e504b..0000000
--- a/kernel/patches/grsecurity-2.9.1-3.5.3-201209062131.patch
+++ /dev/null
@@ -1,88351 +0,0 @@
-diff --git a/Documentation/dontdiff b/Documentation/dontdiff
-index b4a898f..cd023f2 100644
---- a/Documentation/dontdiff
-+++ b/Documentation/dontdiff
-@@ -2,9 +2,11 @@
- *.aux
- *.bin
- *.bz2
-+*.c.[012]*.*
- *.cis
- *.cpio
- *.csp
-+*.dbg
- *.dsp
- *.dvi
- *.elf
-@@ -14,6 +16,7 @@
- *.gcov
- *.gen.S
- *.gif
-+*.gmo
- *.grep
- *.grp
- *.gz
-@@ -48,14 +51,17 @@
- *.tab.h
- *.tex
- *.ver
-+*.vim
- *.xml
- *.xz
- *_MODULES
-+*_reg_safe.h
- *_vga16.c
- *~
- \#*#
- *.9
--.*
-+.[^g]*
-+.gen*
- .*.d
- .mm
- 53c700_d.h
-@@ -69,6 +75,7 @@ Image
- Module.markers
- Module.symvers
- PENDING
-+PERF*
- SCCS
- System.map*
- TAGS
-@@ -80,6 +87,7 @@ aic7*seq.h*
- aicasm
- aicdb.h*
- altivec*.c
-+ashldi3.S
- asm-offsets.h
- asm_offsets.h
- autoconf.h*
-@@ -92,19 +100,24 @@ bounds.h
- bsetup
- btfixupprep
- build
-+builtin-policy.h
- bvmlinux
- bzImage*
- capability_names.h
- capflags.c
- classlist.h*
-+clut_vga16.c
-+common-cmds.h
- comp*.log
- compile.h*
- conf
- config
- config-*
- config_data.h*
-+config.c
- config.mak
- config.mak.autogen
-+config.tmp
- conmakehash
- consolemap_deftbl.c*
- cpustr.h
-@@ -115,9 +128,11 @@ devlist.h*
- dnotify_test
- docproc
- dslm
-+dtc-lexer.lex.c
- elf2ecoff
- elfconfig.h*
- evergreen_reg_safe.h
-+exception_policy.conf
- fixdep
- flask.h
- fore200e_mkfirm
-@@ -125,12 +140,15 @@ fore200e_pca_fw.c*
- gconf
- gconf.glade.h
- gen-devlist
-+gen-kdb_cmds.c
- gen_crc32table
- gen_init_cpio
- generated
- genheaders
- genksyms
- *_gray256.c
-+hash
-+hid-example
- hpet_example
- hugepage-mmap
- hugepage-shm
-@@ -145,7 +163,7 @@ int32.c
- int4.c
- int8.c
- kallsyms
--kconfig
-+kern_constants.h
- keywords.c
- ksym.c*
- ksym.h*
-@@ -153,7 +171,7 @@ kxgettext
- lkc_defs.h
- lex.c
- lex.*.c
--linux
-+lib1funcs.S
- logo_*.c
- logo_*_clut224.c
- logo_*_mono.c
-@@ -164,14 +182,15 @@ machtypes.h
- map
- map_hugetlb
- maui_boot.h
--media
- mconf
-+mdp
- miboot*
- mk_elfconfig
- mkboot
- mkbugboot
- mkcpustr
- mkdep
-+mkpiggy
- mkprep
- mkregtable
- mktables
-@@ -188,6 +207,8 @@ oui.c*
- page-types
- parse.c
- parse.h
-+parse-events*
-+pasyms.h
- patches*
- pca200e.bin
- pca200e_ecd.bin2
-@@ -197,6 +218,7 @@ perf-archive
- piggyback
- piggy.gzip
- piggy.S
-+pmu-*
- pnmtologo
- ppc_defs.h*
- pss_boot.h
-@@ -206,7 +228,10 @@ r200_reg_safe.h
- r300_reg_safe.h
- r420_reg_safe.h
- r600_reg_safe.h
-+realmode.lds
-+realmode.relocs
- recordmcount
-+regdb.c
- relocs
- rlim_names.h
- rn50_reg_safe.h
-@@ -216,8 +241,11 @@ series
- setup
- setup.bin
- setup.elf
-+size_overflow_hash.h
- sImage
-+slabinfo
- sm_tbl*
-+sortextable
- split-include
- syscalltab.h
- tables.c
-@@ -227,6 +255,7 @@ tftpboot.img
- timeconst.h
- times.h*
- trix_boot.h
-+user_constants.h
- utsrelease.h*
- vdso-syms.lds
- vdso.lds
-@@ -238,13 +267,17 @@ vdso32.lds
- vdso32.so.dbg
- vdso64.lds
- vdso64.so.dbg
-+vdsox32.lds
-+vdsox32-syms.lds
- version.h*
- vmImage
- vmlinux
- vmlinux-*
- vmlinux.aout
- vmlinux.bin.all
-+vmlinux.bin.bz2
- vmlinux.lds
-+vmlinux.relocs
- vmlinuz
- voffset.h
- vsyscall.lds
-@@ -252,9 +285,11 @@ vsyscall_32.lds
- wanxlfw.inc
- uImage
- unifdef
-+utsrelease.h
- wakeup.bin
- wakeup.elf
- wakeup.lds
- zImage*
- zconf.hash.c
-+zconf.lex.c
- zoffset.h
-diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
-index a92c5eb..7530459 100644
---- a/Documentation/kernel-parameters.txt
-+++ b/Documentation/kernel-parameters.txt
-@@ -2051,6 +2051,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
- the specified number of seconds. This is to be used if
- your oopses keep scrolling off the screen.
-
-+ pax_nouderef [X86] disables UDEREF. Most likely needed under certain
-+ virtualization environments that don't cope well with the
-+ expand down segment used by UDEREF on X86-32 or the frequent
-+ page table updates on X86-64.
-+
-+ pax_softmode= 0/1 to disable/enable PaX softmode on boot already.
-+
- pcbit= [HW,ISDN]
-
- pcd. [PARIDE]
-diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
-index 13d6166..8c235b6 100644
---- a/Documentation/sysctl/fs.txt
-+++ b/Documentation/sysctl/fs.txt
-@@ -163,16 +163,22 @@ This value can be used to query and set the core dump mode for setuid
- or otherwise protected/tainted binaries. The modes are
-
- 0 - (default) - traditional behaviour. Any process which has changed
-- privilege levels or is execute only will not be dumped
-+ privilege levels or is execute only will not be dumped.
- 1 - (debug) - all processes dump core when possible. The core dump is
- owned by the current user and no security is applied. This is
- intended for system debugging situations only. Ptrace is unchecked.
-+ This is insecure as it allows regular users to examine the memory
-+ contents of privileged processes.
- 2 - (suidsafe) - any binary which normally would not be dumped is dumped
-- readable by root only. This allows the end user to remove
-- such a dump but not access it directly. For security reasons
-- core dumps in this mode will not overwrite one another or
-- other files. This mode is appropriate when administrators are
-- attempting to debug problems in a normal environment.
-+ anyway, but only if the "core_pattern" kernel sysctl is set to
-+ either a pipe handler or a fully qualified path. (For more details
-+ on this limitation, see CVE-2006-2451.) This mode is appropriate
-+ when administrators are attempting to debug problems in a normal
-+ environment, and either have a core dump pipe handler that knows
-+ to treat privileged core dumps with care, or specific directory
-+ defined for catching core dumps. If a core dump happens without
-+ a pipe handler or fully qualifid path, a message will be emitted
-+ to syslog warning about the lack of a correct setting.
-
- ==============================================================
-
-diff --git a/Makefile b/Makefile
-index c901aae..0f96503 100644
---- a/Makefile
-+++ b/Makefile
-@@ -241,8 +241,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
-
- HOSTCC = gcc
- HOSTCXX = g++
--HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer
--HOSTCXXFLAGS = -O2
-+HOSTCFLAGS = -Wall -W -Wmissing-prototypes -Wstrict-prototypes -Wno-unused-parameter -Wno-missing-field-initializers -O2 -fomit-frame-pointer -fno-delete-null-pointer-checks
-+HOSTCLFAGS += $(call cc-option, -Wno-empty-body)
-+HOSTCXXFLAGS = -O2 -Wall -W -fno-delete-null-pointer-checks
-
- # Decide whether to build built-in, modular, or both.
- # Normally, just do built-in.
-@@ -404,8 +405,8 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
- # Rules shared between *config targets and build targets
-
- # Basic helpers built in scripts/
--PHONY += scripts_basic
--scripts_basic:
-+PHONY += scripts_basic gcc-plugins
-+scripts_basic: gcc-plugins
- $(Q)$(MAKE) $(build)=scripts/basic
- $(Q)rm -f .tmp_quiet_recordmcount
-
-@@ -561,6 +562,60 @@ else
- KBUILD_CFLAGS += -O2
- endif
-
-+ifndef DISABLE_PAX_PLUGINS
-+PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)")
-+ifneq ($(PLUGINCC),)
-+ifndef DISABLE_PAX_CONSTIFY_PLUGIN
-+ifndef CONFIG_UML
-+CONSTIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/constify_plugin.so -DCONSTIFY_PLUGIN
-+endif
-+endif
-+ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+STACKLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/stackleak_plugin.so -DSTACKLEAK_PLUGIN
-+STACKLEAK_PLUGIN_CFLAGS += -fplugin-arg-stackleak_plugin-track-lowest-sp=100
-+endif
-+ifdef CONFIG_KALLOCSTAT_PLUGIN
-+KALLOCSTAT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kallocstat_plugin.so
-+endif
-+ifdef CONFIG_PAX_KERNEXEC_PLUGIN
-+KERNEXEC_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kernexec_plugin.so
-+KERNEXEC_PLUGIN_CFLAGS += -fplugin-arg-kernexec_plugin-method=$(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD) -DKERNEXEC_PLUGIN
-+KERNEXEC_PLUGIN_AFLAGS := -DKERNEXEC_PLUGIN
-+endif
-+ifdef CONFIG_CHECKER_PLUGIN
-+ifeq ($(call cc-ifversion, -ge, 0406, y), y)
-+CHECKER_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/checker_plugin.so -DCHECKER_PLUGIN
-+endif
-+endif
-+COLORIZE_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/colorize_plugin.so
-+ifdef CONFIG_PAX_SIZE_OVERFLOW
-+SIZE_OVERFLOW_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/size_overflow_plugin.so -DSIZE_OVERFLOW_PLUGIN
-+endif
-+ifdef CONFIG_PAX_LATENT_ENTROPY
-+LATENT_ENTROPY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/latent_entropy_plugin.so -DLATENT_ENTROPY_PLUGIN
-+endif
-+GCC_PLUGINS_CFLAGS := $(CONSTIFY_PLUGIN_CFLAGS) $(STACKLEAK_PLUGIN_CFLAGS) $(KALLOCSTAT_PLUGIN_CFLAGS)
-+GCC_PLUGINS_CFLAGS += $(KERNEXEC_PLUGIN_CFLAGS) $(CHECKER_PLUGIN_CFLAGS) $(COLORIZE_PLUGIN_CFLAGS)
-+GCC_PLUGINS_CFLAGS += $(SIZE_OVERFLOW_PLUGIN_CFLAGS) $(LATENT_ENTROPY_PLUGIN_CFLAGS)
-+GCC_PLUGINS_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS)
-+export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN
-+ifeq ($(KBUILD_EXTMOD),)
-+gcc-plugins:
-+ $(Q)$(MAKE) $(build)=tools/gcc
-+else
-+gcc-plugins: ;
-+endif
-+else
-+gcc-plugins:
-+ifeq ($(call cc-ifversion, -ge, 0405, y), y)
-+ $(error Your gcc installation does not support plugins. If the necessary headers for plugin support are missing, they should be installed. On Debian, apt-get install gcc-<ver>-plugin-dev. If you choose to ignore this error and lessen the improvements provided by this patch, re-run make with the DISABLE_PAX_PLUGINS=y argument.))
-+else
-+ $(Q)echo "warning, your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least"
-+endif
-+ $(Q)echo "PAX_MEMORY_STACKLEAK and other features will be less secure"
-+endif
-+endif
-+
- include $(srctree)/arch/$(SRCARCH)/Makefile
-
- ifdef CONFIG_READABLE_ASM
-@@ -715,7 +770,7 @@ export mod_strip_cmd
-
-
- ifeq ($(KBUILD_EXTMOD),)
--core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
-+core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/
-
- vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
- $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
-@@ -762,6 +817,8 @@ endif
-
- # The actual objects are generated when descending,
- # make sure no implicit rule kicks in
-+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
- $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
-
- # Handle descending into subdirectories listed in $(vmlinux-dirs)
-@@ -771,7 +828,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
- # Error messages still appears in the original language
-
- PHONY += $(vmlinux-dirs)
--$(vmlinux-dirs): prepare scripts
-+$(vmlinux-dirs): gcc-plugins prepare scripts
- $(Q)$(MAKE) $(build)=$@
-
- # Store (new) KERNELRELASE string in include/config/kernel.release
-@@ -815,6 +872,7 @@ prepare0: archprepare FORCE
- $(Q)$(MAKE) $(build)=.
-
- # All the preparing..
-+prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
- prepare: prepare0
-
- # Generate some files
-@@ -922,6 +980,8 @@ all: modules
- # using awk while concatenating to the final file.
-
- PHONY += modules
-+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
- modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
- $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
- @$(kecho) ' Building modules, stage 2.';
-@@ -937,7 +997,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
-
- # Target to prepare building external modules
- PHONY += modules_prepare
--modules_prepare: prepare scripts
-+modules_prepare: gcc-plugins prepare scripts
-
- # Target to install modules
- PHONY += modules_install
-@@ -994,7 +1054,7 @@ CLEAN_DIRS += $(MODVERDIR)
- MRPROPER_DIRS += include/config usr/include include/generated \
- arch/*/include/generated
- MRPROPER_FILES += .config .config.old .version .old_version \
-- include/linux/version.h \
-+ include/linux/version.h tools/gcc/size_overflow_hash.h\
- Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
-
- # clean - Delete most, but leave enough to build external modules
-@@ -1032,6 +1092,7 @@ distclean: mrproper
- \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
- -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
- -o -name '.*.rej' \
-+ -o -name '.*.rej' -o -name '*.so' \
- -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
- -type f -print | xargs rm -f
-
-@@ -1192,6 +1253,8 @@ PHONY += $(module-dirs) modules
- $(module-dirs): crmodverdir $(objtree)/Module.symvers
- $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
-
-+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
- modules: $(module-dirs)
- @$(kecho) ' Building modules, stage 2.';
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
-@@ -1326,17 +1389,21 @@ else
- target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
- endif
-
--%.s: %.c prepare scripts FORCE
-+%.s: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+%.s: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
-+%.s: %.c gcc-plugins prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
- %.i: %.c prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
--%.o: %.c prepare scripts FORCE
-+%.o: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+%.o: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
-+%.o: %.c gcc-plugins prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
- %.lst: %.c prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
--%.s: %.S prepare scripts FORCE
-+%.s: %.S gcc-plugins prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
--%.o: %.S prepare scripts FORCE
-+%.o: %.S gcc-plugins prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
- %.symtypes: %.c prepare scripts FORCE
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
-@@ -1346,11 +1413,15 @@ endif
- $(cmd_crmodverdir)
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
- $(build)=$(build-dir)
--%/: prepare scripts FORCE
-+%/: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+%/: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
-+%/: gcc-plugins prepare scripts FORCE
- $(cmd_crmodverdir)
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
- $(build)=$(build-dir)
--%.ko: prepare scripts FORCE
-+%.ko: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
-+%.ko: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
-+%.ko: gcc-plugins prepare scripts FORCE
- $(cmd_crmodverdir)
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
- $(build)=$(build-dir) $(@:.ko=.o)
-diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
-index 3bb7ffe..347a54c 100644
---- a/arch/alpha/include/asm/atomic.h
-+++ b/arch/alpha/include/asm/atomic.h
-@@ -250,6 +250,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
- #define atomic_dec(v) atomic_sub(1,(v))
- #define atomic64_dec(v) atomic64_sub(1,(v))
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #define smp_mb__before_atomic_dec() smp_mb()
- #define smp_mb__after_atomic_dec() smp_mb()
- #define smp_mb__before_atomic_inc() smp_mb()
-diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
-index ad368a9..fbe0f25 100644
---- a/arch/alpha/include/asm/cache.h
-+++ b/arch/alpha/include/asm/cache.h
-@@ -4,19 +4,19 @@
- #ifndef __ARCH_ALPHA_CACHE_H
- #define __ARCH_ALPHA_CACHE_H
-
-+#include <linux/const.h>
-
- /* Bytes per L1 (data) cache line. */
- #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
--# define L1_CACHE_BYTES 64
- # define L1_CACHE_SHIFT 6
- #else
- /* Both EV4 and EV5 are write-through, read-allocate,
- direct-mapped, physical.
- */
--# define L1_CACHE_BYTES 32
- # define L1_CACHE_SHIFT 5
- #endif
-
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-
- #endif
-diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h
-index 968d999..d36b2df 100644
---- a/arch/alpha/include/asm/elf.h
-+++ b/arch/alpha/include/asm/elf.h
-@@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
-
- #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28)
-+#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19)
-+#endif
-+
- /* $0 is set by ld.so to a pointer to a function which might be
- registered using atexit. This provides a mean for the dynamic
- linker to call DT_FINI functions for shared libraries that have
-diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
-index bc2a0da..8ad11ee 100644
---- a/arch/alpha/include/asm/pgalloc.h
-+++ b/arch/alpha/include/asm/pgalloc.h
-@@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
- pgd_set(pgd, pmd);
- }
-
-+static inline void
-+pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
-+{
-+ pgd_populate(mm, pgd, pmd);
-+}
-+
- extern pgd_t *pgd_alloc(struct mm_struct *mm);
-
- static inline void
-diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
-index 81a4342..348b927 100644
---- a/arch/alpha/include/asm/pgtable.h
-+++ b/arch/alpha/include/asm/pgtable.h
-@@ -102,6 +102,17 @@ struct vm_area_struct;
- #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS)
- #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
- #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE)
-+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
-+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
-+#else
-+# define PAGE_SHARED_NOEXEC PAGE_SHARED
-+# define PAGE_COPY_NOEXEC PAGE_COPY
-+# define PAGE_READONLY_NOEXEC PAGE_READONLY
-+#endif
-+
- #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE)
-
- #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x))
-diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
-index 2fd00b7..cfd5069 100644
---- a/arch/alpha/kernel/module.c
-+++ b/arch/alpha/kernel/module.c
-@@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab,
-
- /* The small sections were sorted to the end of the segment.
- The following should definitely cover them. */
-- gp = (u64)me->module_core + me->core_size - 0x8000;
-+ gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000;
- got = sechdrs[me->arch.gotsecindex].sh_addr;
-
- for (i = 0; i < n; i++) {
-diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
-index 98a1036..fb54ccf 100644
---- a/arch/alpha/kernel/osf_sys.c
-+++ b/arch/alpha/kernel/osf_sys.c
-@@ -1312,7 +1312,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
- /* At this point: (!vma || addr < vma->vm_end). */
- if (limit - len < addr)
- return -ENOMEM;
-- if (!vma || addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- return addr;
- addr = vma->vm_end;
- vma = vma->vm_next;
-@@ -1348,6 +1348,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- merely specific addresses, but regions of memory -- perhaps
- this feature should be incorporated into all ports? */
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit);
- if (addr != (unsigned long) -ENOMEM)
-@@ -1355,8 +1359,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- }
-
- /* Next, try allocating at TASK_UNMAPPED_BASE. */
-- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE),
-- len, limit);
-+ addr = arch_get_unmapped_area_1 (PAGE_ALIGN(current->mm->mmap_base), len, limit);
-+
- if (addr != (unsigned long) -ENOMEM)
- return addr;
-
-diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
-index 5eecab1..609abc0 100644
---- a/arch/alpha/mm/fault.c
-+++ b/arch/alpha/mm/fault.c
-@@ -53,6 +53,124 @@ __load_new_mm_context(struct mm_struct *next_mm)
- __reload_thread(pcb);
- }
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+/*
-+ * PaX: decide what to do with offenders (regs->pc = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ * 2 when patched PLT trampoline was detected
-+ * 3 when unpatched PLT trampoline was detected
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ int err;
-+
-+ do { /* PaX: patched PLT emulation #1 */
-+ unsigned int ldah, ldq, jmp;
-+
-+ err = get_user(ldah, (unsigned int *)regs->pc);
-+ err |= get_user(ldq, (unsigned int *)(regs->pc+4));
-+ err |= get_user(jmp, (unsigned int *)(regs->pc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
-+ (ldq & 0xFFFF0000U) == 0xA77B0000U &&
-+ jmp == 0x6BFB0000U)
-+ {
-+ unsigned long r27, addr;
-+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
-+ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL;
-+
-+ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
-+ err = get_user(r27, (unsigned long *)addr);
-+ if (err)
-+ break;
-+
-+ regs->r27 = r27;
-+ regs->pc = r27;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #2 */
-+ unsigned int ldah, lda, br;
-+
-+ err = get_user(ldah, (unsigned int *)regs->pc);
-+ err |= get_user(lda, (unsigned int *)(regs->pc+4));
-+ err |= get_user(br, (unsigned int *)(regs->pc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
-+ (lda & 0xFFFF0000U) == 0xA77B0000U &&
-+ (br & 0xFFE00000U) == 0xC3E00000U)
-+ {
-+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL;
-+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
-+ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL;
-+
-+ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
-+ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: unpatched PLT emulation */
-+ unsigned int br;
-+
-+ err = get_user(br, (unsigned int *)regs->pc);
-+
-+ if (!err && (br & 0xFFE00000U) == 0xC3800000U) {
-+ unsigned int br2, ldq, nop, jmp;
-+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver;
-+
-+ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
-+ err = get_user(br2, (unsigned int *)addr);
-+ err |= get_user(ldq, (unsigned int *)(addr+4));
-+ err |= get_user(nop, (unsigned int *)(addr+8));
-+ err |= get_user(jmp, (unsigned int *)(addr+12));
-+ err |= get_user(resolver, (unsigned long *)(addr+16));
-+
-+ if (err)
-+ break;
-+
-+ if (br2 == 0xC3600000U &&
-+ ldq == 0xA77B000CU &&
-+ nop == 0x47FF041FU &&
-+ jmp == 0x6B7B0000U)
-+ {
-+ regs->r28 = regs->pc+4;
-+ regs->r27 = addr+16;
-+ regs->pc = resolver;
-+ return 3;
-+ }
-+ }
-+ } while (0);
-+#endif
-+
-+ return 1;
-+}
-+
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 5; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-
- /*
- * This routine handles page faults. It determines the address,
-@@ -130,8 +248,29 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
- good_area:
- si_code = SEGV_ACCERR;
- if (cause < 0) {
-- if (!(vma->vm_flags & VM_EXEC))
-+ if (!(vma->vm_flags & VM_EXEC)) {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc)
-+ goto bad_area;
-+
-+ up_read(&mm->mmap_sem);
-+ switch (pax_handle_fetch_fault(regs)) {
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ case 2:
-+ case 3:
-+ return;
-+#endif
-+
-+ }
-+ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp());
-+ do_group_exit(SIGKILL);
-+#else
- goto bad_area;
-+#endif
-+
-+ }
- } else if (!cause) {
- /* Allow reads even for write-only mappings */
- if (!(vma->vm_flags & (VM_READ | VM_WRITE)))
-diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
-index c79f61f..9ac0642 100644
---- a/arch/arm/include/asm/atomic.h
-+++ b/arch/arm/include/asm/atomic.h
-@@ -17,17 +17,35 @@
- #include <asm/barrier.h>
- #include <asm/cmpxchg.h>
-
-+#ifdef CONFIG_GENERIC_ATOMIC64
-+#include <asm-generic/atomic64.h>
-+#endif
-+
- #define ATOMIC_INIT(i) { (i) }
-
- #ifdef __KERNEL__
-
-+#define _ASM_EXTABLE(from, to) \
-+" .pushsection __ex_table,\"a\"\n"\
-+" .align 3\n" \
-+" .long " #from ", " #to"\n" \
-+" .popsection"
-+
- /*
- * On ARM, ordinary assignment (str instruction) doesn't clear the local
- * strex/ldrex monitor on some implementations. The reason we can use it for
- * atomic_set() is the clrex or dummy strex done on every exception return.
- */
- #define atomic_read(v) (*(volatile int *)&(v)->counter)
-+static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
-+{
-+ return v->counter;
-+}
- #define atomic_set(v,i) (((v)->counter) = (i))
-+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
-+{
-+ v->counter = i;
-+}
-
- #if __LINUX_ARM_ARCH__ >= 6
-
-@@ -42,6 +60,35 @@ static inline void atomic_add(int i, atomic_t *v)
- int result;
-
- __asm__ __volatile__("@ atomic_add\n"
-+"1: ldrex %1, [%3]\n"
-+" adds %0, %1, %4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strex %1, %0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "Ir" (i)
-+ : "cc");
-+}
-+
-+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ unsigned long tmp;
-+ int result;
-+
-+ __asm__ __volatile__("@ atomic_add_unchecked\n"
- "1: ldrex %0, [%3]\n"
- " add %0, %0, %4\n"
- " strex %1, %0, [%3]\n"
-@@ -60,6 +107,42 @@ static inline int atomic_add_return(int i, atomic_t *v)
- smp_mb();
-
- __asm__ __volatile__("@ atomic_add_return\n"
-+"1: ldrex %1, [%3]\n"
-+" adds %0, %1, %4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+" mov %0, %1\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strex %1, %0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "Ir" (i)
-+ : "cc");
-+
-+ smp_mb();
-+
-+ return result;
-+}
-+
-+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ unsigned long tmp;
-+ int result;
-+
-+ smp_mb();
-+
-+ __asm__ __volatile__("@ atomic_add_return_unchecked\n"
- "1: ldrex %0, [%3]\n"
- " add %0, %0, %4\n"
- " strex %1, %0, [%3]\n"
-@@ -80,6 +163,35 @@ static inline void atomic_sub(int i, atomic_t *v)
- int result;
-
- __asm__ __volatile__("@ atomic_sub\n"
-+"1: ldrex %1, [%3]\n"
-+" subs %0, %1, %4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strex %1, %0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "Ir" (i)
-+ : "cc");
-+}
-+
-+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ unsigned long tmp;
-+ int result;
-+
-+ __asm__ __volatile__("@ atomic_sub_unchecked\n"
- "1: ldrex %0, [%3]\n"
- " sub %0, %0, %4\n"
- " strex %1, %0, [%3]\n"
-@@ -98,11 +210,25 @@ static inline int atomic_sub_return(int i, atomic_t *v)
- smp_mb();
-
- __asm__ __volatile__("@ atomic_sub_return\n"
--"1: ldrex %0, [%3]\n"
--" sub %0, %0, %4\n"
-+"1: ldrex %1, [%3]\n"
-+" subs %0, %1, %4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+" mov %0, %1\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
- " strex %1, %0, [%3]\n"
- " teq %1, #0\n"
- " bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
- : "r" (&v->counter), "Ir" (i)
- : "cc");
-@@ -134,6 +260,28 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
- return oldval;
- }
-
-+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new)
-+{
-+ unsigned long oldval, res;
-+
-+ smp_mb();
-+
-+ do {
-+ __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n"
-+ "ldrex %1, [%3]\n"
-+ "mov %0, #0\n"
-+ "teq %1, %4\n"
-+ "strexeq %0, %5, [%3]\n"
-+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
-+ : "r" (&ptr->counter), "Ir" (old), "r" (new)
-+ : "cc");
-+ } while (res);
-+
-+ smp_mb();
-+
-+ return oldval;
-+}
-+
- static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
- {
- unsigned long tmp, tmp2;
-@@ -167,7 +315,17 @@ static inline int atomic_add_return(int i, atomic_t *v)
-
- return val;
- }
-+
-+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ return atomic_add_return(i, v);
-+}
-+
- #define atomic_add(i, v) (void) atomic_add_return(i, v)
-+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ (void) atomic_add_return(i, v);
-+}
-
- static inline int atomic_sub_return(int i, atomic_t *v)
- {
-@@ -182,6 +340,10 @@ static inline int atomic_sub_return(int i, atomic_t *v)
- return val;
- }
- #define atomic_sub(i, v) (void) atomic_sub_return(i, v)
-+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ (void) atomic_sub_return(i, v);
-+}
-
- static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
- {
-@@ -197,6 +359,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
- return ret;
- }
-
-+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
-+{
-+ return atomic_cmpxchg(v, old, new);
-+}
-+
- static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
- {
- unsigned long flags;
-@@ -209,6 +376,10 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
- #endif /* __LINUX_ARM_ARCH__ */
-
- #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
-+{
-+ return xchg(&v->counter, new);
-+}
-
- static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- {
-@@ -221,11 +392,27 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- }
-
- #define atomic_inc(v) atomic_add(1, v)
-+static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
-+{
-+ atomic_add_unchecked(1, v);
-+}
- #define atomic_dec(v) atomic_sub(1, v)
-+static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
-+{
-+ atomic_sub_unchecked(1, v);
-+}
-
- #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
-+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
-+{
-+ return atomic_add_return_unchecked(1, v) == 0;
-+}
- #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
- #define atomic_inc_return(v) (atomic_add_return(1, v))
-+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
-+{
-+ return atomic_add_return_unchecked(1, v);
-+}
- #define atomic_dec_return(v) (atomic_sub_return(1, v))
- #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-
-@@ -241,6 +428,14 @@ typedef struct {
- u64 __aligned(8) counter;
- } atomic64_t;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef struct {
-+ u64 __aligned(8) counter;
-+} atomic64_unchecked_t;
-+#else
-+typedef atomic64_t atomic64_unchecked_t;
-+#endif
-+
- #define ATOMIC64_INIT(i) { (i) }
-
- static inline u64 atomic64_read(const atomic64_t *v)
-@@ -256,6 +451,19 @@ static inline u64 atomic64_read(const atomic64_t *v)
- return result;
- }
-
-+static inline u64 atomic64_read_unchecked(atomic64_unchecked_t *v)
-+{
-+ u64 result;
-+
-+ __asm__ __volatile__("@ atomic64_read_unchecked\n"
-+" ldrexd %0, %H0, [%1]"
-+ : "=&r" (result)
-+ : "r" (&v->counter), "Qo" (v->counter)
-+ );
-+
-+ return result;
-+}
-+
- static inline void atomic64_set(atomic64_t *v, u64 i)
- {
- u64 tmp;
-@@ -270,6 +478,20 @@ static inline void atomic64_set(atomic64_t *v, u64 i)
- : "cc");
- }
-
-+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, u64 i)
-+{
-+ u64 tmp;
-+
-+ __asm__ __volatile__("@ atomic64_set_unchecked\n"
-+"1: ldrexd %0, %H0, [%2]\n"
-+" strexd %0, %3, %H3, [%2]\n"
-+" teq %0, #0\n"
-+" bne 1b"
-+ : "=&r" (tmp), "=Qo" (v->counter)
-+ : "r" (&v->counter), "r" (i)
-+ : "cc");
-+}
-+
- static inline void atomic64_add(u64 i, atomic64_t *v)
- {
- u64 result;
-@@ -278,6 +500,36 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
- __asm__ __volatile__("@ atomic64_add\n"
- "1: ldrexd %0, %H0, [%3]\n"
- " adds %0, %0, %4\n"
-+" adcs %H0, %H0, %H4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strexd %1, %0, %H0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "r" (i)
-+ : "cc");
-+}
-+
-+static inline void atomic64_add_unchecked(u64 i, atomic64_unchecked_t *v)
-+{
-+ u64 result;
-+ unsigned long tmp;
-+
-+ __asm__ __volatile__("@ atomic64_add_unchecked\n"
-+"1: ldrexd %0, %H0, [%3]\n"
-+" adds %0, %0, %4\n"
- " adc %H0, %H0, %H4\n"
- " strexd %1, %0, %H0, [%3]\n"
- " teq %1, #0\n"
-@@ -289,12 +541,49 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
-
- static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
- {
-- u64 result;
-- unsigned long tmp;
-+ u64 result, tmp;
-
- smp_mb();
-
- __asm__ __volatile__("@ atomic64_add_return\n"
-+"1: ldrexd %1, %H1, [%3]\n"
-+" adds %0, %1, %4\n"
-+" adcs %H0, %H1, %H4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+" mov %0, %1\n"
-+" mov %H0, %H1\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strexd %1, %0, %H0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "r" (i)
-+ : "cc");
-+
-+ smp_mb();
-+
-+ return result;
-+}
-+
-+static inline u64 atomic64_add_return_unchecked(u64 i, atomic64_unchecked_t *v)
-+{
-+ u64 result;
-+ unsigned long tmp;
-+
-+ smp_mb();
-+
-+ __asm__ __volatile__("@ atomic64_add_return_unchecked\n"
- "1: ldrexd %0, %H0, [%3]\n"
- " adds %0, %0, %4\n"
- " adc %H0, %H0, %H4\n"
-@@ -318,6 +607,36 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
- __asm__ __volatile__("@ atomic64_sub\n"
- "1: ldrexd %0, %H0, [%3]\n"
- " subs %0, %0, %4\n"
-+" sbcs %H0, %H0, %H4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
-+" strexd %1, %0, %H0, [%3]\n"
-+" teq %1, #0\n"
-+" bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
-+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
-+ : "r" (&v->counter), "r" (i)
-+ : "cc");
-+}
-+
-+static inline void atomic64_sub_unchecked(u64 i, atomic64_unchecked_t *v)
-+{
-+ u64 result;
-+ unsigned long tmp;
-+
-+ __asm__ __volatile__("@ atomic64_sub_unchecked\n"
-+"1: ldrexd %0, %H0, [%3]\n"
-+" subs %0, %0, %4\n"
- " sbc %H0, %H0, %H4\n"
- " strexd %1, %0, %H0, [%3]\n"
- " teq %1, #0\n"
-@@ -329,18 +648,32 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
-
- static inline u64 atomic64_sub_return(u64 i, atomic64_t *v)
- {
-- u64 result;
-- unsigned long tmp;
-+ u64 result, tmp;
-
- smp_mb();
-
- __asm__ __volatile__("@ atomic64_sub_return\n"
--"1: ldrexd %0, %H0, [%3]\n"
--" subs %0, %0, %4\n"
--" sbc %H0, %H0, %H4\n"
-+"1: ldrexd %1, %H1, [%3]\n"
-+" subs %0, %1, %4\n"
-+" sbcs %H0, %H1, %H4\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+" mov %0, %1\n"
-+" mov %H0, %H1\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
- " strexd %1, %0, %H0, [%3]\n"
- " teq %1, #0\n"
- " bne 1b"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+"\n4:\n"
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
- : "r" (&v->counter), "r" (i)
- : "cc");
-@@ -374,6 +707,30 @@ static inline u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old, u64 new)
- return oldval;
- }
-
-+static inline u64 atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, u64 old, u64 new)
-+{
-+ u64 oldval;
-+ unsigned long res;
-+
-+ smp_mb();
-+
-+ do {
-+ __asm__ __volatile__("@ atomic64_cmpxchg_unchecked\n"
-+ "ldrexd %1, %H1, [%3]\n"
-+ "mov %0, #0\n"
-+ "teq %1, %4\n"
-+ "teqeq %H1, %H4\n"
-+ "strexdeq %0, %5, %H5, [%3]"
-+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
-+ : "r" (&ptr->counter), "r" (old), "r" (new)
-+ : "cc");
-+ } while (res);
-+
-+ smp_mb();
-+
-+ return oldval;
-+}
-+
- static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new)
- {
- u64 result;
-@@ -397,21 +754,34 @@ static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new)
-
- static inline u64 atomic64_dec_if_positive(atomic64_t *v)
- {
-- u64 result;
-- unsigned long tmp;
-+ u64 result, tmp;
-
- smp_mb();
-
- __asm__ __volatile__("@ atomic64_dec_if_positive\n"
--"1: ldrexd %0, %H0, [%3]\n"
--" subs %0, %0, #1\n"
--" sbc %H0, %H0, #0\n"
-+"1: ldrexd %1, %H1, [%3]\n"
-+" subs %0, %1, #1\n"
-+" sbcs %H0, %H1, #0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+" mov %0, %1\n"
-+" mov %H0, %H1\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
- " teq %H0, #0\n"
--" bmi 2f\n"
-+" bmi 4f\n"
- " strexd %1, %0, %H0, [%3]\n"
- " teq %1, #0\n"
- " bne 1b\n"
--"2:"
-+"4:\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
- : "r" (&v->counter)
- : "cc");
-@@ -434,13 +804,25 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
- " teq %0, %5\n"
- " teqeq %H0, %H5\n"
- " moveq %1, #0\n"
--" beq 2f\n"
-+" beq 4f\n"
- " adds %0, %0, %6\n"
--" adc %H0, %H0, %H6\n"
-+" adcs %H0, %H0, %H6\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" bvc 3f\n"
-+"2: bkpt 0xf103\n"
-+"3:\n"
-+#endif
-+
- " strexd %2, %0, %H0, [%4]\n"
- " teq %2, #0\n"
- " bne 1b\n"
--"2:"
-+"4:\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ _ASM_EXTABLE(2b, 4b)
-+#endif
-+
- : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter)
- : "r" (&v->counter), "r" (u), "r" (a)
- : "cc");
-@@ -453,10 +835,13 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
-
- #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
- #define atomic64_inc(v) atomic64_add(1LL, (v))
-+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v))
- #define atomic64_inc_return(v) atomic64_add_return(1LL, (v))
-+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1LL, (v))
- #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
- #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0)
- #define atomic64_dec(v) atomic64_sub(1LL, (v))
-+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v))
- #define atomic64_dec_return(v) atomic64_sub_return(1LL, (v))
- #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
-diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
-index 75fe66b..2255c86 100644
---- a/arch/arm/include/asm/cache.h
-+++ b/arch/arm/include/asm/cache.h
-@@ -4,8 +4,10 @@
- #ifndef __ASMARM_CACHE_H
- #define __ASMARM_CACHE_H
-
-+#include <linux/const.h>
-+
- #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- /*
- * Memory returned by kmalloc() may be used for DMA, so we must make
-diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
-index e4448e1..7bc86b7 100644
---- a/arch/arm/include/asm/cacheflush.h
-+++ b/arch/arm/include/asm/cacheflush.h
-@@ -108,7 +108,7 @@ struct cpu_cache_fns {
- void (*dma_unmap_area)(const void *, size_t, int);
-
- void (*dma_flush_range)(const void *, const void *);
--};
-+} __no_const;
-
- /*
- * Select the calling method
-diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
-index 7eb18c1..e38b6d2 100644
---- a/arch/arm/include/asm/cmpxchg.h
-+++ b/arch/arm/include/asm/cmpxchg.h
-@@ -102,6 +102,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
-
- #define xchg(ptr,x) \
- ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-+#define xchg_unchecked(ptr,x) \
-+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
- #include <asm-generic/cmpxchg-local.h>
-
-diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
-index 38050b1..9d90e8b 100644
---- a/arch/arm/include/asm/elf.h
-+++ b/arch/arm/include/asm/elf.h
-@@ -116,7 +116,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
-+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-+
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE 0x00008000UL
-+
-+#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
-+#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
-+#endif
-
- /* When the program starts, a1 contains a pointer to a function to be
- registered with atexit, as per the SVR4 ABI. A value of 0 means we
-@@ -126,8 +133,4 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
- extern void elf_set_personality(const struct elf32_hdr *);
- #define SET_PERSONALITY(ex) elf_set_personality(&(ex))
-
--struct mm_struct;
--extern unsigned long arch_randomize_brk(struct mm_struct *mm);
--#define arch_randomize_brk arch_randomize_brk
--
- #endif
-diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
-index e51b1e8..32a3113 100644
---- a/arch/arm/include/asm/kmap_types.h
-+++ b/arch/arm/include/asm/kmap_types.h
-@@ -21,6 +21,7 @@ enum km_type {
- KM_L1_CACHE,
- KM_L2_CACHE,
- KM_KDB,
-+ KM_CLEARPAGE,
- KM_TYPE_NR
- };
-
-diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
-index 53426c6..c7baff3 100644
---- a/arch/arm/include/asm/outercache.h
-+++ b/arch/arm/include/asm/outercache.h
-@@ -35,7 +35,7 @@ struct outer_cache_fns {
- #endif
- void (*set_debug)(unsigned long);
- void (*resume)(void);
--};
-+} __no_const;
-
- #ifdef CONFIG_OUTER_CACHE
-
-diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
-index ecf9019..b71d9a1 100644
---- a/arch/arm/include/asm/page.h
-+++ b/arch/arm/include/asm/page.h
-@@ -114,7 +114,7 @@ struct cpu_user_fns {
- void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
- void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
- unsigned long vaddr, struct vm_area_struct *vma);
--};
-+} __no_const;
-
- #ifdef MULTI_USER
- extern struct cpu_user_fns cpu_user;
-diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
-index 943504f..bf8d667 100644
---- a/arch/arm/include/asm/pgalloc.h
-+++ b/arch/arm/include/asm/pgalloc.h
-@@ -43,6 +43,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE));
- }
-
-+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
-+{
-+ pud_populate(mm, pud, pmd);
-+}
-+
- #else /* !CONFIG_ARM_LPAE */
-
- /*
-@@ -51,6 +56,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); })
- #define pmd_free(mm, pmd) do { } while (0)
- #define pud_populate(mm,pmd,pte) BUG()
-+#define pud_populate_kernel(mm,pmd,pte) BUG()
-
- #endif /* CONFIG_ARM_LPAE */
-
-diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
-index af7b0bd..6750a8c 100644
---- a/arch/arm/include/asm/thread_info.h
-+++ b/arch/arm/include/asm/thread_info.h
-@@ -148,6 +148,12 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
- #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
- #define TIF_SYSCALL_TRACE 8
- #define TIF_SYSCALL_AUDIT 9
-+
-+/* within 8 bits of TIF_SYSCALL_TRACE
-+ to meet flexible second operand requirements
-+*/
-+#define TIF_GRSEC_SETXID 10
-+
- #define TIF_POLLING_NRFLAG 16
- #define TIF_USING_IWMMXT 17
- #define TIF_MEMDIE 18 /* is terminating due to OOM killer */
-@@ -163,9 +169,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
- #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
- #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT)
- #define _TIF_SECCOMP (1 << TIF_SECCOMP)
-+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
-
- /* Checks for any syscall work in entry-common.S */
--#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
-+#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
-+ _TIF_GRSEC_SETXID)
-
- /*
- * Change these and you break ASM code in entry-common.S
-diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
-index 71f6536..602f279 100644
---- a/arch/arm/include/asm/uaccess.h
-+++ b/arch/arm/include/asm/uaccess.h
-@@ -22,6 +22,8 @@
- #define VERIFY_READ 0
- #define VERIFY_WRITE 1
-
-+extern void check_object_size(const void *ptr, unsigned long n, bool to);
-+
- /*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
-@@ -387,8 +389,23 @@ do { \
-
-
- #ifdef CONFIG_MMU
--extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n);
--extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n);
-+extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n);
-+extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n);
-+
-+static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n)
-+{
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+ return ___copy_from_user(to, from, n);
-+}
-+
-+static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n)
-+{
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
-+ return ___copy_to_user(to, from, n);
-+}
-+
- extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n);
- extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
- extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n);
-@@ -403,6 +420,9 @@ extern unsigned long __must_check __strnlen_user(const char __user *s, long n);
-
- static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- if (access_ok(VERIFY_READ, from, n))
- n = __copy_from_user(to, from, n);
- else /* security hole - plug it */
-@@ -412,6 +432,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u
-
- static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- if (access_ok(VERIFY_WRITE, to, n))
- n = __copy_to_user(to, from, n);
- return n;
-diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
-index b57c75e..ed2d6b2 100644
---- a/arch/arm/kernel/armksyms.c
-+++ b/arch/arm/kernel/armksyms.c
-@@ -94,8 +94,8 @@ EXPORT_SYMBOL(__strncpy_from_user);
- #ifdef CONFIG_MMU
- EXPORT_SYMBOL(copy_page);
-
--EXPORT_SYMBOL(__copy_from_user);
--EXPORT_SYMBOL(__copy_to_user);
-+EXPORT_SYMBOL(___copy_from_user);
-+EXPORT_SYMBOL(___copy_to_user);
- EXPORT_SYMBOL(__clear_user);
-
- EXPORT_SYMBOL(__get_user_1);
-diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
-index 693b744..e684262 100644
---- a/arch/arm/kernel/process.c
-+++ b/arch/arm/kernel/process.c
-@@ -28,7 +28,6 @@
- #include <linux/tick.h>
- #include <linux/utsname.h>
- #include <linux/uaccess.h>
--#include <linux/random.h>
- #include <linux/hw_breakpoint.h>
- #include <linux/cpuidle.h>
-
-@@ -256,9 +255,10 @@ void machine_power_off(void)
- machine_shutdown();
- if (pm_power_off)
- pm_power_off();
-+ BUG();
- }
-
--void machine_restart(char *cmd)
-+__noreturn void machine_restart(char *cmd)
- {
- machine_shutdown();
-
-@@ -501,12 +501,6 @@ unsigned long get_wchan(struct task_struct *p)
- return 0;
- }
-
--unsigned long arch_randomize_brk(struct mm_struct *mm)
--{
-- unsigned long range_end = mm->brk + 0x02000000;
-- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
--}
--
- #ifdef CONFIG_MMU
- /*
- * The vectors page is always readable from user space for the
-diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
-index 14e3826..d832d89 100644
---- a/arch/arm/kernel/ptrace.c
-+++ b/arch/arm/kernel/ptrace.c
-@@ -907,10 +907,19 @@ long arch_ptrace(struct task_struct *child, long request,
- return ret;
- }
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern void gr_delayed_cred_worker(void);
-+#endif
-+
- asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
- {
- unsigned long ip;
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- if (why)
- audit_syscall_exit(regs);
- else
-diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
-index e15d83b..8c466dd 100644
---- a/arch/arm/kernel/setup.c
-+++ b/arch/arm/kernel/setup.c
-@@ -112,13 +112,13 @@ struct processor processor __read_mostly;
- struct cpu_tlb_fns cpu_tlb __read_mostly;
- #endif
- #ifdef MULTI_USER
--struct cpu_user_fns cpu_user __read_mostly;
-+struct cpu_user_fns cpu_user __read_only;
- #endif
- #ifdef MULTI_CACHE
--struct cpu_cache_fns cpu_cache __read_mostly;
-+struct cpu_cache_fns cpu_cache __read_only;
- #endif
- #ifdef CONFIG_OUTER_CACHE
--struct outer_cache_fns outer_cache __read_mostly;
-+struct outer_cache_fns outer_cache __read_only;
- EXPORT_SYMBOL(outer_cache);
- #endif
-
-diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
-index c7cae6b..e1e523c 100644
---- a/arch/arm/kernel/traps.c
-+++ b/arch/arm/kernel/traps.c
-@@ -264,6 +264,8 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt
-
- static DEFINE_RAW_SPINLOCK(die_lock);
-
-+extern void gr_handle_kernel_exploit(void);
-+
- /*
- * This function is protected against re-entrancy.
- */
-@@ -296,6 +298,9 @@ void die(const char *str, struct pt_regs *regs, int err)
- panic("Fatal exception in interrupt");
- if (panic_on_oops)
- panic("Fatal exception");
-+
-+ gr_handle_kernel_exploit();
-+
- if (ret != NOTIFY_STOP)
- do_exit(SIGSEGV);
- }
-diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
-index 66a477a..bee61d3 100644
---- a/arch/arm/lib/copy_from_user.S
-+++ b/arch/arm/lib/copy_from_user.S
-@@ -16,7 +16,7 @@
- /*
- * Prototype:
- *
-- * size_t __copy_from_user(void *to, const void *from, size_t n)
-+ * size_t ___copy_from_user(void *to, const void *from, size_t n)
- *
- * Purpose:
- *
-@@ -84,11 +84,11 @@
-
- .text
-
--ENTRY(__copy_from_user)
-+ENTRY(___copy_from_user)
-
- #include "copy_template.S"
-
--ENDPROC(__copy_from_user)
-+ENDPROC(___copy_from_user)
-
- .pushsection .fixup,"ax"
- .align 0
-diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S
-index 6ee2f67..d1cce76 100644
---- a/arch/arm/lib/copy_page.S
-+++ b/arch/arm/lib/copy_page.S
-@@ -10,6 +10,7 @@
- * ASM optimised string functions
- */
- #include <linux/linkage.h>
-+#include <linux/const.h>
- #include <asm/assembler.h>
- #include <asm/asm-offsets.h>
- #include <asm/cache.h>
-diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
-index d066df6..df28194 100644
---- a/arch/arm/lib/copy_to_user.S
-+++ b/arch/arm/lib/copy_to_user.S
-@@ -16,7 +16,7 @@
- /*
- * Prototype:
- *
-- * size_t __copy_to_user(void *to, const void *from, size_t n)
-+ * size_t ___copy_to_user(void *to, const void *from, size_t n)
- *
- * Purpose:
- *
-@@ -88,11 +88,11 @@
- .text
-
- ENTRY(__copy_to_user_std)
--WEAK(__copy_to_user)
-+WEAK(___copy_to_user)
-
- #include "copy_template.S"
-
--ENDPROC(__copy_to_user)
-+ENDPROC(___copy_to_user)
- ENDPROC(__copy_to_user_std)
-
- .pushsection .fixup,"ax"
-diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
-index 025f742..8432b08 100644
---- a/arch/arm/lib/uaccess_with_memcpy.c
-+++ b/arch/arm/lib/uaccess_with_memcpy.c
-@@ -104,7 +104,7 @@ out:
- }
-
- unsigned long
--__copy_to_user(void __user *to, const void *from, unsigned long n)
-+___copy_to_user(void __user *to, const void *from, unsigned long n)
- {
- /*
- * This test is stubbed out of the main function above to keep
-diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
-index f261cd2..4ae63fb 100644
---- a/arch/arm/mach-kirkwood/common.c
-+++ b/arch/arm/mach-kirkwood/common.c
-@@ -128,7 +128,7 @@ static void clk_gate_fn_disable(struct clk_hw *hw)
- clk_gate_ops.disable(hw);
- }
-
--static struct clk_ops clk_gate_fn_ops;
-+static clk_ops_no_const clk_gate_fn_ops;
-
- static struct clk __init *clk_register_gate_fn(struct device *dev,
- const char *name,
-diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
-index 2c5d0ed..7d9099c 100644
---- a/arch/arm/mach-omap2/board-n8x0.c
-+++ b/arch/arm/mach-omap2/board-n8x0.c
-@@ -594,7 +594,7 @@ static int n8x0_menelaus_late_init(struct device *dev)
- }
- #endif
-
--static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
-+static struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = {
- .late_init = n8x0_menelaus_late_init,
- };
-
-diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
-index c3bd834..e81ef02 100644
---- a/arch/arm/mm/fault.c
-+++ b/arch/arm/mm/fault.c
-@@ -174,6 +174,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
- }
- #endif
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (fsr & FSR_LNX_PF) {
-+ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp);
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- tsk->thread.address = addr;
- tsk->thread.error_code = fsr;
- tsk->thread.trap_no = 14;
-@@ -397,6 +404,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
- }
- #endif /* CONFIG_MMU */
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 20; i++) {
-+ unsigned char c;
-+ if (get_user(c, (__force unsigned char __user *)pc+i))
-+ printk(KERN_CONT "?? ");
-+ else
-+ printk(KERN_CONT "%02x ", c);
-+ }
-+ printk("\n");
-+
-+ printk(KERN_ERR "PAX: bytes at SP-4: ");
-+ for (i = -1; i < 20; i++) {
-+ unsigned long c;
-+ if (get_user(c, (__force unsigned long __user *)sp+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08lx ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- /*
- * First Level Translation Fault Handler
- *
-@@ -574,6 +608,20 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
- const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr);
- struct siginfo info;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+ if (fsr_fs(ifsr) == 2) {
-+ unsigned int bkpt;
-+
-+ if (!probe_kernel_address((unsigned int *)addr, bkpt) && bkpt == 0xe12f1073) {
-+ current->thread.error_code = ifsr;
-+ current->thread.trap_no = 0;
-+ pax_report_refcount_overflow(regs);
-+ fixup_exception(regs);
-+ return;
-+ }
-+ }
-+#endif
-+
- if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
- return;
-
-diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
-index ce8cb19..3ec539d 100644
---- a/arch/arm/mm/mmap.c
-+++ b/arch/arm/mm/mmap.c
-@@ -93,6 +93,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- if (len > TASK_SIZE)
- return -ENOMEM;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- if (do_align)
- addr = COLOUR_ALIGN(addr, pgoff);
-@@ -100,15 +104,14 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
- if (len > mm->cached_hole_size) {
-- start_addr = addr = mm->free_area_cache;
-+ start_addr = addr = mm->free_area_cache;
- } else {
-- start_addr = addr = mm->mmap_base;
-- mm->cached_hole_size = 0;
-+ start_addr = addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
- }
-
- full_search:
-@@ -124,14 +127,14 @@ full_search:
- * Start a new search - just in case we missed
- * some holes.
- */
-- if (start_addr != TASK_UNMAPPED_BASE) {
-- start_addr = addr = TASK_UNMAPPED_BASE;
-+ if (start_addr != mm->mmap_base) {
-+ start_addr = addr = mm->mmap_base;
- mm->cached_hole_size = 0;
- goto full_search;
- }
- return -ENOMEM;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -266,10 +269,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
-
- if (mmap_is_legacy()) {
- mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base(random_factor);
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-diff --git a/arch/arm/plat-orion/include/plat/addr-map.h b/arch/arm/plat-orion/include/plat/addr-map.h
-index fd556f7..af2e7d2 100644
---- a/arch/arm/plat-orion/include/plat/addr-map.h
-+++ b/arch/arm/plat-orion/include/plat/addr-map.h
-@@ -26,7 +26,7 @@ struct orion_addr_map_cfg {
- value in bridge_virt_base */
- void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
- const int win);
--};
-+} __no_const;
-
- /*
- * Information needed to setup one address mapping.
-diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
-index 71a6827..e7fbc23 100644
---- a/arch/arm/plat-samsung/include/plat/dma-ops.h
-+++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
-@@ -43,7 +43,7 @@ struct samsung_dma_ops {
- int (*started)(unsigned ch);
- int (*flush)(unsigned ch);
- int (*stop)(unsigned ch);
--};
-+} __no_const;
-
- extern void *samsung_dmadev_get_ops(void);
- extern void *s3c_dma_get_ops(void);
-diff --git a/arch/arm/plat-samsung/include/plat/ehci.h b/arch/arm/plat-samsung/include/plat/ehci.h
-index 5f28cae..3d23723 100644
---- a/arch/arm/plat-samsung/include/plat/ehci.h
-+++ b/arch/arm/plat-samsung/include/plat/ehci.h
-@@ -14,7 +14,7 @@
- struct s5p_ehci_platdata {
- int (*phy_init)(struct platform_device *pdev, int type);
- int (*phy_exit)(struct platform_device *pdev, int type);
--};
-+} __no_const;
-
- extern void s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd);
-
-diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h
-index c3a58a1..78fbf54 100644
---- a/arch/avr32/include/asm/cache.h
-+++ b/arch/avr32/include/asm/cache.h
-@@ -1,8 +1,10 @@
- #ifndef __ASM_AVR32_CACHE_H
- #define __ASM_AVR32_CACHE_H
-
-+#include <linux/const.h>
-+
- #define L1_CACHE_SHIFT 5
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- /*
- * Memory returned by kmalloc() may be used for DMA, so we must make
-diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h
-index 3b3159b..425ea94 100644
---- a/arch/avr32/include/asm/elf.h
-+++ b/arch/avr32/include/asm/elf.h
-@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t;
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
-+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE 0x00001000UL
-+
-+#define PAX_DELTA_MMAP_LEN 15
-+#define PAX_DELTA_STACK_LEN 15
-+#endif
-
- /* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. This could be done in user space,
-diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h
-index b7f5c68..556135c 100644
---- a/arch/avr32/include/asm/kmap_types.h
-+++ b/arch/avr32/include/asm/kmap_types.h
-@@ -22,7 +22,8 @@ D(10) KM_IRQ0,
- D(11) KM_IRQ1,
- D(12) KM_SOFTIRQ0,
- D(13) KM_SOFTIRQ1,
--D(14) KM_TYPE_NR
-+D(14) KM_CLEARPAGE,
-+D(15) KM_TYPE_NR
- };
-
- #undef D
-diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
-index f7040a1..db9f300 100644
---- a/arch/avr32/mm/fault.c
-+++ b/arch/avr32/mm/fault.c
-@@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap)
-
- int exception_trace = 1;
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 20; i++) {
-+ unsigned char c;
-+ if (get_user(c, (unsigned char *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%02x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- /*
- * This routine handles page faults. It determines the address and the
- * problem, and then passes it off to one of the appropriate routines.
-@@ -156,6 +173,16 @@ bad_area:
- up_read(&mm->mmap_sem);
-
- if (user_mode(regs)) {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
-+ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) {
-+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp);
-+ do_group_exit(SIGKILL);
-+ }
-+ }
-+#endif
-+
- if (exception_trace && printk_ratelimit())
- printk("%s%s[%d]: segfault at %08lx pc %08lx "
- "sp %08lx ecr %lu\n",
-diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
-index 568885a..f8008df 100644
---- a/arch/blackfin/include/asm/cache.h
-+++ b/arch/blackfin/include/asm/cache.h
-@@ -7,6 +7,7 @@
- #ifndef __ARCH_BLACKFIN_CACHE_H
- #define __ARCH_BLACKFIN_CACHE_H
-
-+#include <linux/const.h>
- #include <linux/linkage.h> /* for asmlinkage */
-
- /*
-@@ -14,7 +15,7 @@
- * Blackfin loads 32 bytes for cache
- */
- #define L1_CACHE_SHIFT 5
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-
- #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
-diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h
-index aea2718..3639a60 100644
---- a/arch/cris/include/arch-v10/arch/cache.h
-+++ b/arch/cris/include/arch-v10/arch/cache.h
-@@ -1,8 +1,9 @@
- #ifndef _ASM_ARCH_CACHE_H
- #define _ASM_ARCH_CACHE_H
-
-+#include <linux/const.h>
- /* Etrax 100LX have 32-byte cache-lines. */
--#define L1_CACHE_BYTES 32
- #define L1_CACHE_SHIFT 5
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #endif /* _ASM_ARCH_CACHE_H */
-diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
-index 7caf25d..ee65ac5 100644
---- a/arch/cris/include/arch-v32/arch/cache.h
-+++ b/arch/cris/include/arch-v32/arch/cache.h
-@@ -1,11 +1,12 @@
- #ifndef _ASM_CRIS_ARCH_CACHE_H
- #define _ASM_CRIS_ARCH_CACHE_H
-
-+#include <linux/const.h>
- #include <arch/hwregs/dma.h>
-
- /* A cache-line is 32 bytes. */
--#define L1_CACHE_BYTES 32
- #define L1_CACHE_SHIFT 5
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define __read_mostly __attribute__((__section__(".data..read_mostly")))
-
-diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
-index b86329d..6709906 100644
---- a/arch/frv/include/asm/atomic.h
-+++ b/arch/frv/include/asm/atomic.h
-@@ -186,6 +186,16 @@ static inline void atomic64_dec(atomic64_t *v)
- #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter))
- #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter))
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
- {
- int c, old;
-diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h
-index 2797163..c2a401d 100644
---- a/arch/frv/include/asm/cache.h
-+++ b/arch/frv/include/asm/cache.h
-@@ -12,10 +12,11 @@
- #ifndef __ASM_CACHE_H
- #define __ASM_CACHE_H
-
-+#include <linux/const.h>
-
- /* bytes per L1 cache line */
- #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT)
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
- #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
-diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h
-index f8e16b2..c73ff79 100644
---- a/arch/frv/include/asm/kmap_types.h
-+++ b/arch/frv/include/asm/kmap_types.h
-@@ -23,6 +23,7 @@ enum km_type {
- KM_IRQ1,
- KM_SOFTIRQ0,
- KM_SOFTIRQ1,
-+ KM_CLEARPAGE,
- KM_TYPE_NR
- };
-
-diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c
-index 385fd30..6c3d97e 100644
---- a/arch/frv/mm/elf-fdpic.c
-+++ b/arch/frv/mm/elf-fdpic.c
-@@ -73,8 +73,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- if (addr) {
- addr = PAGE_ALIGN(addr);
- vma = find_vma(current->mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
- goto success;
- }
-
-@@ -89,7 +88,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- for (; vma; vma = vma->vm_next) {
- if (addr > limit)
- break;
-- if (addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- goto success;
- addr = vma->vm_end;
- }
-@@ -104,7 +103,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- for (; vma; vma = vma->vm_next) {
- if (addr > limit)
- break;
-- if (addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- goto success;
- addr = vma->vm_end;
- }
-diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h
-index c635028..6d9445a 100644
---- a/arch/h8300/include/asm/cache.h
-+++ b/arch/h8300/include/asm/cache.h
-@@ -1,8 +1,10 @@
- #ifndef __ARCH_H8300_CACHE_H
- #define __ARCH_H8300_CACHE_H
-
-+#include <linux/const.h>
-+
- /* bytes per L1 cache line */
--#define L1_CACHE_BYTES 4
-+#define L1_CACHE_BYTES _AC(4,UL)
-
- /* m68k-elf-gcc 2.95.2 doesn't like these */
-
-diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h
-index 0f01de2..d37d309 100644
---- a/arch/hexagon/include/asm/cache.h
-+++ b/arch/hexagon/include/asm/cache.h
-@@ -21,9 +21,11 @@
- #ifndef __ASM_CACHE_H
- #define __ASM_CACHE_H
-
-+#include <linux/const.h>
-+
- /* Bytes per L1 cache line */
--#define L1_CACHE_SHIFT (5)
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_SHIFT 5
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define __cacheline_aligned __aligned(L1_CACHE_BYTES)
- #define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
-diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
-index 6e6fe18..a6ae668 100644
---- a/arch/ia64/include/asm/atomic.h
-+++ b/arch/ia64/include/asm/atomic.h
-@@ -208,6 +208,16 @@ atomic64_add_negative (__s64 i, atomic64_t *v)
- #define atomic64_inc(v) atomic64_add(1, (v))
- #define atomic64_dec(v) atomic64_sub(1, (v))
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- /* Atomic operations are already serializing */
- #define smp_mb__before_atomic_dec() barrier()
- #define smp_mb__after_atomic_dec() barrier()
-diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h
-index 988254a..e1ee885 100644
---- a/arch/ia64/include/asm/cache.h
-+++ b/arch/ia64/include/asm/cache.h
-@@ -1,6 +1,7 @@
- #ifndef _ASM_IA64_CACHE_H
- #define _ASM_IA64_CACHE_H
-
-+#include <linux/const.h>
-
- /*
- * Copyright (C) 1998-2000 Hewlett-Packard Co
-@@ -9,7 +10,7 @@
-
- /* Bytes per L1 (data) cache line. */
- #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #ifdef CONFIG_SMP
- # define SMP_CACHE_SHIFT L1_CACHE_SHIFT
-diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
-index b5298eb..67c6e62 100644
---- a/arch/ia64/include/asm/elf.h
-+++ b/arch/ia64/include/asm/elf.h
-@@ -42,6 +42,13 @@
- */
- #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
-+#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
-+#endif
-+
- #define PT_IA_64_UNWIND 0x70000001
-
- /* IA-64 relocations: */
-diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
-index 96a8d92..617a1cf 100644
---- a/arch/ia64/include/asm/pgalloc.h
-+++ b/arch/ia64/include/asm/pgalloc.h
-@@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
- pgd_val(*pgd_entry) = __pa(pud);
- }
-
-+static inline void
-+pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
-+{
-+ pgd_populate(mm, pgd_entry, pud);
-+}
-+
- static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
- {
- return quicklist_alloc(0, GFP_KERNEL, NULL);
-@@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
- pud_val(*pud_entry) = __pa(pmd);
- }
-
-+static inline void
-+pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
-+{
-+ pud_populate(mm, pud_entry, pmd);
-+}
-+
- static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
- {
- return quicklist_alloc(0, GFP_KERNEL, NULL);
-diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
-index 815810c..d60bd4c 100644
---- a/arch/ia64/include/asm/pgtable.h
-+++ b/arch/ia64/include/asm/pgtable.h
-@@ -12,7 +12,7 @@
- * David Mosberger-Tang <davidm(a)hpl.hp.com>
- */
-
--
-+#include <linux/const.h>
- #include <asm/mman.h>
- #include <asm/page.h>
- #include <asm/processor.h>
-@@ -142,6 +142,17 @@
- #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
- #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
- #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX)
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW)
-+# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
-+# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
-+#else
-+# define PAGE_SHARED_NOEXEC PAGE_SHARED
-+# define PAGE_READONLY_NOEXEC PAGE_READONLY
-+# define PAGE_COPY_NOEXEC PAGE_COPY
-+#endif
-+
- #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX)
- #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX)
- #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX)
-diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
-index 54ff557..70c88b7 100644
---- a/arch/ia64/include/asm/spinlock.h
-+++ b/arch/ia64/include/asm/spinlock.h
-@@ -71,7 +71,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
- unsigned short *p = (unsigned short *)&lock->lock + 1, tmp;
-
- asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
-- ACCESS_ONCE(*p) = (tmp + 2) & ~1;
-+ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1;
- }
-
- static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock)
-diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
-index 449c8c0..432a3d2 100644
---- a/arch/ia64/include/asm/uaccess.h
-+++ b/arch/ia64/include/asm/uaccess.h
-@@ -257,7 +257,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
- const void *__cu_from = (from); \
- long __cu_len = (n); \
- \
-- if (__access_ok(__cu_to, __cu_len, get_fs())) \
-+ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) \
- __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
- __cu_len; \
- })
-@@ -269,7 +269,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
- long __cu_len = (n); \
- \
- __chk_user_ptr(__cu_from); \
-- if (__access_ok(__cu_from, __cu_len, get_fs())) \
-+ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) \
- __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \
- __cu_len; \
- })
-diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
-index 24603be..948052d 100644
---- a/arch/ia64/kernel/module.c
-+++ b/arch/ia64/kernel/module.c
-@@ -307,8 +307,7 @@ plt_target (struct plt_entry *plt)
- void
- module_free (struct module *mod, void *module_region)
- {
-- if (mod && mod->arch.init_unw_table &&
-- module_region == mod->module_init) {
-+ if (mod && mod->arch.init_unw_table && module_region == mod->module_init_rx) {
- unw_remove_unwind_table(mod->arch.init_unw_table);
- mod->arch.init_unw_table = NULL;
- }
-@@ -494,15 +493,39 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
- }
-
- static inline int
-+in_init_rx (const struct module *mod, uint64_t addr)
-+{
-+ return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx;
-+}
-+
-+static inline int
-+in_init_rw (const struct module *mod, uint64_t addr)
-+{
-+ return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw;
-+}
-+
-+static inline int
- in_init (const struct module *mod, uint64_t addr)
- {
-- return addr - (uint64_t) mod->module_init < mod->init_size;
-+ return in_init_rx(mod, addr) || in_init_rw(mod, addr);
-+}
-+
-+static inline int
-+in_core_rx (const struct module *mod, uint64_t addr)
-+{
-+ return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx;
-+}
-+
-+static inline int
-+in_core_rw (const struct module *mod, uint64_t addr)
-+{
-+ return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw;
- }
-
- static inline int
- in_core (const struct module *mod, uint64_t addr)
- {
-- return addr - (uint64_t) mod->module_core < mod->core_size;
-+ return in_core_rx(mod, addr) || in_core_rw(mod, addr);
- }
-
- static inline int
-@@ -685,7 +708,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
- break;
-
- case RV_BDREL:
-- val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core);
-+ if (in_init_rx(mod, val))
-+ val -= (uint64_t) mod->module_init_rx;
-+ else if (in_init_rw(mod, val))
-+ val -= (uint64_t) mod->module_init_rw;
-+ else if (in_core_rx(mod, val))
-+ val -= (uint64_t) mod->module_core_rx;
-+ else if (in_core_rw(mod, val))
-+ val -= (uint64_t) mod->module_core_rw;
- break;
-
- case RV_LTV:
-@@ -820,15 +850,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
- * addresses have been selected...
- */
- uint64_t gp;
-- if (mod->core_size > MAX_LTOFF)
-+ if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF)
- /*
- * This takes advantage of fact that SHF_ARCH_SMALL gets allocated
- * at the end of the module.
- */
-- gp = mod->core_size - MAX_LTOFF / 2;
-+ gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2;
- else
-- gp = mod->core_size / 2;
-- gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
-+ gp = (mod->core_size_rx + mod->core_size_rw) / 2;
-+ gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8);
- mod->arch.gp = gp;
- DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp);
- }
-diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
-index d9439ef..b9a4303 100644
---- a/arch/ia64/kernel/sys_ia64.c
-+++ b/arch/ia64/kernel/sys_ia64.c
-@@ -43,6 +43,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
- if (REGION_NUMBER(addr) == RGN_HPAGE)
- addr = 0;
- #endif
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ addr = mm->free_area_cache;
-+ else
-+#endif
-+
- if (!addr)
- addr = mm->free_area_cache;
-
-@@ -61,14 +68,14 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
- for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
- /* At this point: (!vma || addr < vma->vm_end). */
- if (TASK_SIZE - len < addr || RGN_MAP_LIMIT - len < REGION_OFFSET(addr)) {
-- if (start_addr != TASK_UNMAPPED_BASE) {
-+ if (start_addr != mm->mmap_base) {
- /* Start a new search --- just in case we missed some holes. */
-- addr = TASK_UNMAPPED_BASE;
-+ addr = mm->mmap_base;
- goto full_search;
- }
- return -ENOMEM;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /* Remember the address where we stopped this search: */
- mm->free_area_cache = addr + len;
- return addr;
-diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
-index 0ccb28f..8992469 100644
---- a/arch/ia64/kernel/vmlinux.lds.S
-+++ b/arch/ia64/kernel/vmlinux.lds.S
-@@ -198,7 +198,7 @@ SECTIONS {
- /* Per-cpu data: */
- . = ALIGN(PERCPU_PAGE_SIZE);
- PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
-- __phys_per_cpu_start = __per_cpu_load;
-+ __phys_per_cpu_start = per_cpu_load;
- /*
- * ensure percpu data fits
- * into percpu page size
-diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
-index 02d29c2..ea893df 100644
---- a/arch/ia64/mm/fault.c
-+++ b/arch/ia64/mm/fault.c
-@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address)
- return pte_present(pte);
- }
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 8; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- void __kprobes
- ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *regs)
- {
-@@ -145,9 +162,23 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
- mask = ( (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
- | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT));
-
-- if ((vma->vm_flags & mask) != mask)
-+ if ((vma->vm_flags & mask) != mask) {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) {
-+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip)
-+ goto bad_area;
-+
-+ up_read(&mm->mmap_sem);
-+ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12);
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- goto bad_area;
-
-+ }
-+
- /*
- * If for any reason at all we couldn't handle the fault, make
- * sure we exit gracefully rather than endlessly redo the
-diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
-index 5ca674b..e0e1b70 100644
---- a/arch/ia64/mm/hugetlbpage.c
-+++ b/arch/ia64/mm/hugetlbpage.c
-@@ -171,7 +171,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
- /* At this point: (!vmm || addr < vmm->vm_end). */
- if (REGION_OFFSET(addr) + len > RGN_MAP_LIMIT)
- return -ENOMEM;
-- if (!vmm || (addr + len) <= vmm->vm_start)
-+ if (check_heap_stack_gap(vmm, addr, len))
- return addr;
- addr = ALIGN(vmm->vm_end, HPAGE_SIZE);
- }
-diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
-index 0eab454..bd794f2 100644
---- a/arch/ia64/mm/init.c
-+++ b/arch/ia64/mm/init.c
-@@ -120,6 +120,19 @@ ia64_init_addr_space (void)
- vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
- vma->vm_end = vma->vm_start + PAGE_SIZE;
- vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) {
-+ vma->vm_flags &= ~VM_EXEC;
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (current->mm->pax_flags & MF_PAX_MPROTECT)
-+ vma->vm_flags &= ~VM_MAYEXEC;
-+#endif
-+
-+ }
-+#endif
-+
- vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
- down_write(¤t->mm->mmap_sem);
- if (insert_vm_struct(current->mm, vma)) {
-diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h
-index 40b3ee9..8c2c112 100644
---- a/arch/m32r/include/asm/cache.h
-+++ b/arch/m32r/include/asm/cache.h
-@@ -1,8 +1,10 @@
- #ifndef _ASM_M32R_CACHE_H
- #define _ASM_M32R_CACHE_H
-
-+#include <linux/const.h>
-+
- /* L1 cache line size */
- #define L1_CACHE_SHIFT 4
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #endif /* _ASM_M32R_CACHE_H */
-diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
-index 82abd15..d95ae5d 100644
---- a/arch/m32r/lib/usercopy.c
-+++ b/arch/m32r/lib/usercopy.c
-@@ -14,6 +14,9 @@
- unsigned long
- __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- prefetch(from);
- if (access_ok(VERIFY_WRITE, to, n))
- __copy_user(to,from,n);
-@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
- unsigned long
- __generic_copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- prefetchw(to);
- if (access_ok(VERIFY_READ, from, n))
- __copy_user_zeroing(to,from,n);
-diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
-index 0395c51..5f26031 100644
---- a/arch/m68k/include/asm/cache.h
-+++ b/arch/m68k/include/asm/cache.h
-@@ -4,9 +4,11 @@
- #ifndef __ARCH_M68K_CACHE_H
- #define __ARCH_M68K_CACHE_H
-
-+#include <linux/const.h>
-+
- /* bytes per L1 cache line */
- #define L1_CACHE_SHIFT 4
--#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
-
-diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
-index 4efe96a..60e8699 100644
---- a/arch/microblaze/include/asm/cache.h
-+++ b/arch/microblaze/include/asm/cache.h
-@@ -13,11 +13,12 @@
- #ifndef _ASM_MICROBLAZE_CACHE_H
- #define _ASM_MICROBLAZE_CACHE_H
-
-+#include <linux/const.h>
- #include <asm/registers.h>
-
- #define L1_CACHE_SHIFT 5
- /* word-granular cache in microblaze */
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-
-diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
-index 3f4c5cb..3439c6e 100644
---- a/arch/mips/include/asm/atomic.h
-+++ b/arch/mips/include/asm/atomic.h
-@@ -21,6 +21,10 @@
- #include <asm/cmpxchg.h>
- #include <asm/war.h>
-
-+#ifdef CONFIG_GENERIC_ATOMIC64
-+#include <asm-generic/atomic64.h>
-+#endif
-+
- #define ATOMIC_INIT(i) { (i) }
-
- /*
-@@ -765,6 +769,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
- */
- #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #endif /* CONFIG_64BIT */
-
- /*
-diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
-index b4db69f..8f3b093 100644
---- a/arch/mips/include/asm/cache.h
-+++ b/arch/mips/include/asm/cache.h
-@@ -9,10 +9,11 @@
- #ifndef _ASM_CACHE_H
- #define _ASM_CACHE_H
-
-+#include <linux/const.h>
- #include <kmalloc.h>
-
- #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define SMP_CACHE_SHIFT L1_CACHE_SHIFT
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
-index 455c0ac..ad65fbe 100644
---- a/arch/mips/include/asm/elf.h
-+++ b/arch/mips/include/asm/elf.h
-@@ -372,13 +372,16 @@ extern const char *__elf_platform;
- #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
- #endif
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#endif
-+
- #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
- struct linux_binprm;
- extern int arch_setup_additional_pages(struct linux_binprm *bprm,
- int uses_interp);
-
--struct mm_struct;
--extern unsigned long arch_randomize_brk(struct mm_struct *mm);
--#define arch_randomize_brk arch_randomize_brk
--
- #endif /* _ASM_ELF_H */
-diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h
-index c1f6afa..38cc6e9 100644
---- a/arch/mips/include/asm/exec.h
-+++ b/arch/mips/include/asm/exec.h
-@@ -12,6 +12,6 @@
- #ifndef _ASM_EXEC_H
- #define _ASM_EXEC_H
-
--extern unsigned long arch_align_stack(unsigned long sp);
-+#define arch_align_stack(x) ((x) & ~0xfUL)
-
- #endif /* _ASM_EXEC_H */
-diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
-index da9bd7d..91aa7ab 100644
---- a/arch/mips/include/asm/page.h
-+++ b/arch/mips/include/asm/page.h
-@@ -98,7 +98,7 @@ extern void copy_user_highpage(struct page *to, struct page *from,
- #ifdef CONFIG_CPU_MIPS32
- typedef struct { unsigned long pte_low, pte_high; } pte_t;
- #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
-- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
-+ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; })
- #else
- typedef struct { unsigned long long pte; } pte_t;
- #define pte_val(x) ((x).pte)
-diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
-index 881d18b..cea38bc 100644
---- a/arch/mips/include/asm/pgalloc.h
-+++ b/arch/mips/include/asm/pgalloc.h
-@@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- {
- set_pud(pud, __pud((unsigned long)pmd));
- }
-+
-+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
-+{
-+ pud_populate(mm, pud, pmd);
-+}
- #endif
-
- /*
-diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
-index ca97e0e..cd08920 100644
---- a/arch/mips/include/asm/thread_info.h
-+++ b/arch/mips/include/asm/thread_info.h
-@@ -111,6 +111,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
- #define TIF_32BIT_ADDR 23 /* 32-bit address space (o32/n32) */
- #define TIF_FPUBOUND 24 /* thread bound to FPU-full CPU set */
- #define TIF_LOAD_WATCH 25 /* If set, load watch registers */
-+/* li takes a 32bit immediate */
-+#define TIF_GRSEC_SETXID 29 /* update credentials on syscall entry/exit */
- #define TIF_SYSCALL_TRACE 31 /* syscall trace active */
-
- #ifdef CONFIG_MIPS32_O32
-@@ -134,15 +136,18 @@ register struct thread_info *__current_thread_info __asm__("$28");
- #define _TIF_32BIT_ADDR (1<<TIF_32BIT_ADDR)
- #define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
- #define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
-+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
-+
-+#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID)
-
- /* work to do in syscall_trace_leave() */
--#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
-+#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID)
-
- /* work to do on interrupt/exception return */
- #define _TIF_WORK_MASK (0x0000ffef & \
- ~(_TIF_SECCOMP | _TIF_SYSCALL_AUDIT))
- /* work to do on any return to u-space */
--#define _TIF_ALLWORK_MASK (0x8000ffff & ~_TIF_SECCOMP)
-+#define _TIF_ALLWORK_MASK ((0x8000ffff & ~_TIF_SECCOMP) | _TIF_GRSEC_SETXID)
-
- #endif /* __KERNEL__ */
-
-diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
-index 9fdd8bc..4bd7f1a 100644
---- a/arch/mips/kernel/binfmt_elfn32.c
-+++ b/arch/mips/kernel/binfmt_elfn32.c
-@@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
- #undef ELF_ET_DYN_BASE
- #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#endif
-+
- #include <asm/processor.h>
- #include <linux/module.h>
- #include <linux/elfcore.h>
-diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
-index ff44823..97f8906 100644
---- a/arch/mips/kernel/binfmt_elfo32.c
-+++ b/arch/mips/kernel/binfmt_elfo32.c
-@@ -52,6 +52,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
- #undef ELF_ET_DYN_BASE
- #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
-+#endif
-+
- #include <asm/processor.h>
-
- /*
-diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
-index e9a5fd7..378809a 100644
---- a/arch/mips/kernel/process.c
-+++ b/arch/mips/kernel/process.c
-@@ -480,15 +480,3 @@ unsigned long get_wchan(struct task_struct *task)
- out:
- return pc;
- }
--
--/*
-- * Don't forget that the stack pointer must be aligned on a 8 bytes
-- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI.
-- */
--unsigned long arch_align_stack(unsigned long sp)
--{
-- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
-- sp -= get_random_int() & ~PAGE_MASK;
--
-- return sp & ALMASK;
--}
-diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
-index 4812c6d..2069554 100644
---- a/arch/mips/kernel/ptrace.c
-+++ b/arch/mips/kernel/ptrace.c
-@@ -528,6 +528,10 @@ static inline int audit_arch(void)
- return arch;
- }
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern void gr_delayed_cred_worker(void);
-+#endif
-+
- /*
- * Notification of system call entry/exit
- * - triggered by current->work.syscall_trace
-@@ -537,6 +541,11 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
- /* do the secure computing check first */
- secure_computing_strict(regs->regs[2]);
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- if (!(current->ptrace & PT_PTRACED))
- goto out;
-
-diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
-index a632bc1..0b77c7c 100644
---- a/arch/mips/kernel/scall32-o32.S
-+++ b/arch/mips/kernel/scall32-o32.S
-@@ -52,7 +52,7 @@ NESTED(handle_sys, PT_SIZE, sp)
-
- stack_done:
- lw t0, TI_FLAGS($28) # syscall tracing enabled?
-- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
-+ li t1, _TIF_SYSCALL_WORK
- and t0, t1
- bnez t0, syscall_trace_entry # -> yes
-
-diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
-index 3b5a5e9..e1ee86d 100644
---- a/arch/mips/kernel/scall64-64.S
-+++ b/arch/mips/kernel/scall64-64.S
-@@ -54,7 +54,7 @@ NESTED(handle_sys64, PT_SIZE, sp)
-
- sd a3, PT_R26(sp) # save a3 for syscall restarting
-
-- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
-+ li t1, _TIF_SYSCALL_WORK
- LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
- and t0, t1, t0
- bnez t0, syscall_trace_entry
-diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
-index 6be6f70..1859577 100644
---- a/arch/mips/kernel/scall64-n32.S
-+++ b/arch/mips/kernel/scall64-n32.S
-@@ -53,7 +53,7 @@ NESTED(handle_sysn32, PT_SIZE, sp)
-
- sd a3, PT_R26(sp) # save a3 for syscall restarting
-
-- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
-+ li t1, _TIF_SYSCALL_WORK
- LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
- and t0, t1, t0
- bnez t0, n32_syscall_trace_entry
-diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
-index 5422855..74e63a3 100644
---- a/arch/mips/kernel/scall64-o32.S
-+++ b/arch/mips/kernel/scall64-o32.S
-@@ -81,7 +81,7 @@ NESTED(handle_sys, PT_SIZE, sp)
- PTR 4b, bad_stack
- .previous
-
-- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
-+ li t1, _TIF_SYSCALL_WORK
- LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
- and t0, t1, t0
- bnez t0, trace_a_syscall
-diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
-index c14f6df..537e729 100644
---- a/arch/mips/mm/fault.c
-+++ b/arch/mips/mm/fault.c
-@@ -27,6 +27,23 @@
- #include <asm/highmem.h> /* For VMALLOC_END */
- #include <linux/kdebug.h>
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 5; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- /*
- * This routine handles page faults. It determines the address,
- * and the problem, and then passes it off to one of the appropriate
-diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
-index 302d779..7d35bf8 100644
---- a/arch/mips/mm/mmap.c
-+++ b/arch/mips/mm/mmap.c
-@@ -95,6 +95,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
- do_color_align = 1;
-
- /* requesting a specific address */
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- if (do_color_align)
- addr = COLOUR_ALIGN(addr, pgoff);
-@@ -102,8 +107,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vmm, addr, len))
- return addr;
- }
-
-@@ -118,7 +122,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
- /* At this point: (!vma || addr < vma->vm_end). */
- if (TASK_SIZE - len < addr)
- return -ENOMEM;
-- if (!vma || addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vmm, addr, len))
- return addr;
- addr = vma->vm_end;
- if (do_color_align)
-@@ -145,7 +149,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
- /* make sure it can fit in the remaining address space */
- if (likely(addr > len)) {
- vma = find_vma(mm, addr - len);
-- if (!vma || addr <= vma->vm_start) {
-+ if (check_heap_stack_gap(vmm, addr - len, len))
- /* cache the address as a hint for next time */
- return mm->free_area_cache = addr - len;
- }
-@@ -165,7 +169,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (likely(!vma || addr + len <= vma->vm_start)) {
-+ if (check_heap_stack_gap(vmm, addr, len)) {
- /* cache the address as a hint for next time */
- return mm->free_area_cache = addr;
- }
-@@ -242,30 +246,3 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- mm->unmap_area = arch_unmap_area_topdown;
- }
- }
--
--static inline unsigned long brk_rnd(void)
--{
-- unsigned long rnd = get_random_int();
--
-- rnd = rnd << PAGE_SHIFT;
-- /* 8MB for 32bit, 256MB for 64bit */
-- if (TASK_IS_32BIT_ADDR)
-- rnd = rnd & 0x7ffffful;
-- else
-- rnd = rnd & 0xffffffful;
--
-- return rnd;
--}
--
--unsigned long arch_randomize_brk(struct mm_struct *mm)
--{
-- unsigned long base = mm->brk;
-- unsigned long ret;
--
-- ret = PAGE_ALIGN(base + brk_rnd());
--
-- if (ret < mm->brk)
-- return mm->brk;
--
-- return ret;
--}
-diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h
-index 967d144..db12197 100644
---- a/arch/mn10300/proc-mn103e010/include/proc/cache.h
-+++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h
-@@ -11,12 +11,14 @@
- #ifndef _ASM_PROC_CACHE_H
- #define _ASM_PROC_CACHE_H
-
-+#include <linux/const.h>
-+
- /* L1 cache */
-
- #define L1_CACHE_NWAYS 4 /* number of ways in caches */
- #define L1_CACHE_NENTRIES 256 /* number of entries in each way */
--#define L1_CACHE_BYTES 16 /* bytes per entry */
- #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
- #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */
-
- #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
-diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
-index bcb5df2..84fabd2 100644
---- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
-+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
-@@ -16,13 +16,15 @@
- #ifndef _ASM_PROC_CACHE_H
- #define _ASM_PROC_CACHE_H
-
-+#include <linux/const.h>
-+
- /*
- * L1 cache
- */
- #define L1_CACHE_NWAYS 4 /* number of ways in caches */
- #define L1_CACHE_NENTRIES 128 /* number of entries in each way */
--#define L1_CACHE_BYTES 32 /* bytes per entry */
- #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
- #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */
-
- #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
-diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h
-index 4ce7a01..449202a 100644
---- a/arch/openrisc/include/asm/cache.h
-+++ b/arch/openrisc/include/asm/cache.h
-@@ -19,11 +19,13 @@
- #ifndef __ASM_OPENRISC_CACHE_H
- #define __ASM_OPENRISC_CACHE_H
-
-+#include <linux/const.h>
-+
- /* FIXME: How can we replace these with values from the CPU...
- * they shouldn't be hard-coded!
- */
-
--#define L1_CACHE_BYTES 16
- #define L1_CACHE_SHIFT 4
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #endif /* __ASM_OPENRISC_CACHE_H */
-diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
-index 6c6defc..d30653d 100644
---- a/arch/parisc/include/asm/atomic.h
-+++ b/arch/parisc/include/asm/atomic.h
-@@ -229,6 +229,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
-
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #endif /* !CONFIG_64BIT */
-
-
-diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
-index 47f11c7..3420df2 100644
---- a/arch/parisc/include/asm/cache.h
-+++ b/arch/parisc/include/asm/cache.h
-@@ -5,6 +5,7 @@
- #ifndef __ARCH_PARISC_CACHE_H
- #define __ARCH_PARISC_CACHE_H
-
-+#include <linux/const.h>
-
- /*
- * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have
-@@ -15,13 +16,13 @@
- * just ruin performance.
- */
- #ifdef CONFIG_PA20
--#define L1_CACHE_BYTES 64
- #define L1_CACHE_SHIFT 6
- #else
--#define L1_CACHE_BYTES 32
- #define L1_CACHE_SHIFT 5
- #endif
-
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-+
- #ifndef __ASSEMBLY__
-
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
-index 19f6cb1..6c78cf2 100644
---- a/arch/parisc/include/asm/elf.h
-+++ b/arch/parisc/include/asm/elf.h
-@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */
-
- #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE 0x10000UL
-+
-+#define PAX_DELTA_MMAP_LEN 16
-+#define PAX_DELTA_STACK_LEN 16
-+#endif
-+
- /* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. This could be done in user space,
- but it's not easy, and we've already done it here. */
-diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
-index fc987a1..6e068ef 100644
---- a/arch/parisc/include/asm/pgalloc.h
-+++ b/arch/parisc/include/asm/pgalloc.h
-@@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
- (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT));
- }
-
-+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
-+{
-+ pgd_populate(mm, pgd, pmd);
-+}
-+
- static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
- {
- pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT,
-@@ -93,6 +98,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
- #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
- #define pmd_free(mm, x) do { } while (0)
- #define pgd_populate(mm, pmd, pte) BUG()
-+#define pgd_populate_kernel(mm, pmd, pte) BUG()
-
- #endif
-
-diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
-index ee99f23..802b0a1 100644
---- a/arch/parisc/include/asm/pgtable.h
-+++ b/arch/parisc/include/asm/pgtable.h
-@@ -212,6 +212,17 @@ struct vm_area_struct;
- #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED)
- #define PAGE_COPY PAGE_EXECREAD
- #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED)
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED)
-+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
-+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
-+#else
-+# define PAGE_SHARED_NOEXEC PAGE_SHARED
-+# define PAGE_COPY_NOEXEC PAGE_COPY
-+# define PAGE_READONLY_NOEXEC PAGE_READONLY
-+#endif
-+
- #define PAGE_KERNEL __pgprot(_PAGE_KERNEL)
- #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC)
- #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX)
-diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
-index 4ba2c93..f5e3974 100644
---- a/arch/parisc/include/asm/uaccess.h
-+++ b/arch/parisc/include/asm/uaccess.h
-@@ -251,10 +251,10 @@ static inline unsigned long __must_check copy_from_user(void *to,
- const void __user *from,
- unsigned long n)
- {
-- int sz = __compiletime_object_size(to);
-+ size_t sz = __compiletime_object_size(to);
- int ret = -EFAULT;
-
-- if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
-+ if (likely(sz == (size_t)-1 || !__builtin_constant_p(n) || sz >= n))
- ret = __copy_from_user(to, from, n);
- else
- copy_from_user_overflow();
-diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
-index 5e34ccf..672bc9c 100644
---- a/arch/parisc/kernel/module.c
-+++ b/arch/parisc/kernel/module.c
-@@ -98,16 +98,38 @@
-
- /* three functions to determine where in the module core
- * or init pieces the location is */
-+static inline int in_init_rx(struct module *me, void *loc)
-+{
-+ return (loc >= me->module_init_rx &&
-+ loc < (me->module_init_rx + me->init_size_rx));
-+}
-+
-+static inline int in_init_rw(struct module *me, void *loc)
-+{
-+ return (loc >= me->module_init_rw &&
-+ loc < (me->module_init_rw + me->init_size_rw));
-+}
-+
- static inline int in_init(struct module *me, void *loc)
- {
-- return (loc >= me->module_init &&
-- loc <= (me->module_init + me->init_size));
-+ return in_init_rx(me, loc) || in_init_rw(me, loc);
-+}
-+
-+static inline int in_core_rx(struct module *me, void *loc)
-+{
-+ return (loc >= me->module_core_rx &&
-+ loc < (me->module_core_rx + me->core_size_rx));
-+}
-+
-+static inline int in_core_rw(struct module *me, void *loc)
-+{
-+ return (loc >= me->module_core_rw &&
-+ loc < (me->module_core_rw + me->core_size_rw));
- }
-
- static inline int in_core(struct module *me, void *loc)
- {
-- return (loc >= me->module_core &&
-- loc <= (me->module_core + me->core_size));
-+ return in_core_rx(me, loc) || in_core_rw(me, loc);
- }
-
- static inline int in_local(struct module *me, void *loc)
-@@ -373,13 +395,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
- }
-
- /* align things a bit */
-- me->core_size = ALIGN(me->core_size, 16);
-- me->arch.got_offset = me->core_size;
-- me->core_size += gots * sizeof(struct got_entry);
-+ me->core_size_rw = ALIGN(me->core_size_rw, 16);
-+ me->arch.got_offset = me->core_size_rw;
-+ me->core_size_rw += gots * sizeof(struct got_entry);
-
-- me->core_size = ALIGN(me->core_size, 16);
-- me->arch.fdesc_offset = me->core_size;
-- me->core_size += fdescs * sizeof(Elf_Fdesc);
-+ me->core_size_rw = ALIGN(me->core_size_rw, 16);
-+ me->arch.fdesc_offset = me->core_size_rw;
-+ me->core_size_rw += fdescs * sizeof(Elf_Fdesc);
-
- me->arch.got_max = gots;
- me->arch.fdesc_max = fdescs;
-@@ -397,7 +419,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
-
- BUG_ON(value == 0);
-
-- got = me->module_core + me->arch.got_offset;
-+ got = me->module_core_rw + me->arch.got_offset;
- for (i = 0; got[i].addr; i++)
- if (got[i].addr == value)
- goto out;
-@@ -415,7 +437,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
- #ifdef CONFIG_64BIT
- static Elf_Addr get_fdesc(struct module *me, unsigned long value)
- {
-- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset;
-+ Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset;
-
- if (!value) {
- printk(KERN_ERR "%s: zero OPD requested!\n", me->name);
-@@ -433,7 +455,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
-
- /* Create new one */
- fdesc->addr = value;
-- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset;
-+ fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
- return (Elf_Addr)fdesc;
- }
- #endif /* CONFIG_64BIT */
-@@ -845,7 +867,7 @@ register_unwind_table(struct module *me,
-
- table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr;
- end = table + sechdrs[me->arch.unwind_section].sh_size;
-- gp = (Elf_Addr)me->module_core + me->arch.got_offset;
-+ gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
-
- DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n",
- me->arch.unwind_section, table, end, gp);
-diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
-index c9b9322..02d8940 100644
---- a/arch/parisc/kernel/sys_parisc.c
-+++ b/arch/parisc/kernel/sys_parisc.c
-@@ -43,7 +43,7 @@ static unsigned long get_unshared_area(unsigned long addr, unsigned long len)
- /* At this point: (!vma || addr < vma->vm_end). */
- if (TASK_SIZE - len < addr)
- return -ENOMEM;
-- if (!vma || addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- return addr;
- addr = vma->vm_end;
- }
-@@ -79,7 +79,7 @@ static unsigned long get_shared_area(struct address_space *mapping,
- /* At this point: (!vma || addr < vma->vm_end). */
- if (TASK_SIZE - len < addr)
- return -ENOMEM;
-- if (!vma || addr + len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- return addr;
- addr = DCACHE_ALIGN(vma->vm_end - offset) + offset;
- if (addr < vma->vm_end) /* handle wraparound */
-@@ -98,7 +98,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
- if (flags & MAP_FIXED)
- return addr;
- if (!addr)
-- addr = TASK_UNMAPPED_BASE;
-+ addr = current->mm->mmap_base;
-
- if (filp) {
- addr = get_shared_area(filp->f_mapping, addr, len, pgoff);
-diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
-index 45ba99f..8e22c33 100644
---- a/arch/parisc/kernel/traps.c
-+++ b/arch/parisc/kernel/traps.c
-@@ -732,9 +732,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
-
- down_read(¤t->mm->mmap_sem);
- vma = find_vma(current->mm,regs->iaoq[0]);
-- if (vma && (regs->iaoq[0] >= vma->vm_start)
-- && (vma->vm_flags & VM_EXEC)) {
--
-+ if (vma && (regs->iaoq[0] >= vma->vm_start)) {
- fault_address = regs->iaoq[0];
- fault_space = regs->iasq[0];
-
-diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
-index 18162ce..94de376 100644
---- a/arch/parisc/mm/fault.c
-+++ b/arch/parisc/mm/fault.c
-@@ -15,6 +15,7 @@
- #include <linux/sched.h>
- #include <linux/interrupt.h>
- #include <linux/module.h>
-+#include <linux/unistd.h>
-
- #include <asm/uaccess.h>
- #include <asm/traps.h>
-@@ -52,7 +53,7 @@ DEFINE_PER_CPU(struct exception_data, exception_data);
- static unsigned long
- parisc_acctyp(unsigned long code, unsigned int inst)
- {
-- if (code == 6 || code == 16)
-+ if (code == 6 || code == 7 || code == 16)
- return VM_EXEC;
-
- switch (inst & 0xf0000000) {
-@@ -138,6 +139,116 @@ parisc_acctyp(unsigned long code, unsigned int inst)
- }
- #endif
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+/*
-+ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ * 2 when rt_sigreturn trampoline was detected
-+ * 3 when unpatched PLT trampoline was detected
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ int err;
-+
-+ do { /* PaX: unpatched PLT emulation */
-+ unsigned int bl, depwi;
-+
-+ err = get_user(bl, (unsigned int *)instruction_pointer(regs));
-+ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4));
-+
-+ if (err)
-+ break;
-+
-+ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) {
-+ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12;
-+
-+ err = get_user(ldw, (unsigned int *)addr);
-+ err |= get_user(bv, (unsigned int *)(addr+4));
-+ err |= get_user(ldw2, (unsigned int *)(addr+8));
-+
-+ if (err)
-+ break;
-+
-+ if (ldw == 0x0E801096U &&
-+ bv == 0xEAC0C000U &&
-+ ldw2 == 0x0E881095U)
-+ {
-+ unsigned int resolver, map;
-+
-+ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8));
-+ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12));
-+ if (err)
-+ break;
-+
-+ regs->gr[20] = instruction_pointer(regs)+8;
-+ regs->gr[21] = map;
-+ regs->gr[22] = resolver;
-+ regs->iaoq[0] = resolver | 3UL;
-+ regs->iaoq[1] = regs->iaoq[0] + 4;
-+ return 3;
-+ }
-+ }
-+ } while (0);
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+
-+#ifndef CONFIG_PAX_EMUSIGRT
-+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
-+ return 1;
-+#endif
-+
-+ do { /* PaX: rt_sigreturn emulation */
-+ unsigned int ldi1, ldi2, bel, nop;
-+
-+ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs));
-+ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4));
-+ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8));
-+ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12));
-+
-+ if (err)
-+ break;
-+
-+ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) &&
-+ ldi2 == 0x3414015AU &&
-+ bel == 0xE4008200U &&
-+ nop == 0x08000240U)
-+ {
-+ regs->gr[25] = (ldi1 & 2) >> 1;
-+ regs->gr[20] = __NR_rt_sigreturn;
-+ regs->gr[31] = regs->iaoq[1] + 16;
-+ regs->sr[0] = regs->iasq[1];
-+ regs->iaoq[0] = 0x100UL;
-+ regs->iaoq[1] = regs->iaoq[0] + 4;
-+ regs->iasq[0] = regs->sr[2];
-+ regs->iasq[1] = regs->sr[2];
-+ return 2;
-+ }
-+ } while (0);
-+#endif
-+
-+ return 1;
-+}
-+
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 5; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- int fixup_exception(struct pt_regs *regs)
- {
- const struct exception_table_entry *fix;
-@@ -192,8 +303,33 @@ good_area:
-
- acc_type = parisc_acctyp(code,regs->iir);
-
-- if ((vma->vm_flags & acc_type) != acc_type)
-+ if ((vma->vm_flags & acc_type) != acc_type) {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) &&
-+ (address & ~3UL) == instruction_pointer(regs))
-+ {
-+ up_read(&mm->mmap_sem);
-+ switch (pax_handle_fetch_fault(regs)) {
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ case 3:
-+ return;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ case 2:
-+ return;
-+#endif
-+
-+ }
-+ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]);
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- goto bad_area;
-+ }
-
- /*
- * If for any reason at all we couldn't handle the fault, make
-diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
-index da29032..f76c24c 100644
---- a/arch/powerpc/include/asm/atomic.h
-+++ b/arch/powerpc/include/asm/atomic.h
-@@ -522,6 +522,16 @@ static __inline__ long atomic64_inc_not_zero(atomic64_t *v)
- return t1;
- }
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #endif /* __powerpc64__ */
-
- #endif /* __KERNEL__ */
-diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
-index 9e495c9..b6878e5 100644
---- a/arch/powerpc/include/asm/cache.h
-+++ b/arch/powerpc/include/asm/cache.h
-@@ -3,6 +3,7 @@
-
- #ifdef __KERNEL__
-
-+#include <linux/const.h>
-
- /* bytes per L1 cache line */
- #if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
-@@ -22,7 +23,7 @@
- #define L1_CACHE_SHIFT 7
- #endif
-
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
-
-diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
-index 3bf9cca..e7457d0 100644
---- a/arch/powerpc/include/asm/elf.h
-+++ b/arch/powerpc/include/asm/elf.h
-@@ -178,8 +178,19 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--extern unsigned long randomize_et_dyn(unsigned long base);
--#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000))
-+#define ELF_ET_DYN_BASE (0x20000000)
-+
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (0x10000000UL)
-+
-+#ifdef __powerpc64__
-+#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28)
-+#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28)
-+#else
-+#define PAX_DELTA_MMAP_LEN 15
-+#define PAX_DELTA_STACK_LEN 15
-+#endif
-+#endif
-
- /*
- * Our registers are always unsigned longs, whether we're a 32 bit
-@@ -274,9 +285,6 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
- (0x7ff >> (PAGE_SHIFT - 12)) : \
- (0x3ffff >> (PAGE_SHIFT - 12)))
-
--extern unsigned long arch_randomize_brk(struct mm_struct *mm);
--#define arch_randomize_brk arch_randomize_brk
--
- #endif /* __KERNEL__ */
-
- /*
-diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h
-index 8196e9c..d83a9f3 100644
---- a/arch/powerpc/include/asm/exec.h
-+++ b/arch/powerpc/include/asm/exec.h
-@@ -4,6 +4,6 @@
- #ifndef _ASM_POWERPC_EXEC_H
- #define _ASM_POWERPC_EXEC_H
-
--extern unsigned long arch_align_stack(unsigned long sp);
-+#define arch_align_stack(x) ((x) & ~0xfUL)
-
- #endif /* _ASM_POWERPC_EXEC_H */
-diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h
-index bca8fdc..61e9580 100644
---- a/arch/powerpc/include/asm/kmap_types.h
-+++ b/arch/powerpc/include/asm/kmap_types.h
-@@ -27,6 +27,7 @@ enum km_type {
- KM_PPC_SYNC_PAGE,
- KM_PPC_SYNC_ICACHE,
- KM_KDB,
-+ KM_CLEARPAGE,
- KM_TYPE_NR
- };
-
-diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
-index d4a7f64..451de1c 100644
---- a/arch/powerpc/include/asm/mman.h
-+++ b/arch/powerpc/include/asm/mman.h
-@@ -44,7 +44,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot)
- }
- #define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot)
-
--static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-+static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags)
- {
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
- }
-diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
-index f072e97..b436dee 100644
---- a/arch/powerpc/include/asm/page.h
-+++ b/arch/powerpc/include/asm/page.h
-@@ -220,8 +220,9 @@ extern long long virt_phys_offset;
- * and needs to be executable. This means the whole heap ends
- * up being executable.
- */
--#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
-- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-+#define VM_DATA_DEFAULT_FLAGS32 \
-+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
-+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
- #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-@@ -249,6 +250,9 @@ extern long long virt_phys_offset;
- #define is_kernel_addr(x) ((x) >= PAGE_OFFSET)
- #endif
-
-+#define ktla_ktva(addr) (addr)
-+#define ktva_ktla(addr) (addr)
-+
- /*
- * Use the top bit of the higher-level page table entries to indicate whether
- * the entries we point to contain hugepages. This works because we know that
-diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
-index fed85e6..da5c71b 100644
---- a/arch/powerpc/include/asm/page_64.h
-+++ b/arch/powerpc/include/asm/page_64.h
-@@ -146,15 +146,18 @@ do { \
- * stack by default, so in the absence of a PT_GNU_STACK program header
- * we turn execute permission off.
- */
--#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
-- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-+#define VM_STACK_DEFAULT_FLAGS32 \
-+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
-+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
- #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-+#ifndef CONFIG_PAX_PAGEEXEC
- #define VM_STACK_DEFAULT_FLAGS \
- (is_32bit_task() ? \
- VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
-+#endif
-
- #include <asm-generic/getorder.h>
-
-diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
-index 292725c..f87ae14 100644
---- a/arch/powerpc/include/asm/pgalloc-64.h
-+++ b/arch/powerpc/include/asm/pgalloc-64.h
-@@ -50,6 +50,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
- #ifndef CONFIG_PPC_64K_PAGES
-
- #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD)
-+#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD))
-
- static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
- {
-@@ -67,6 +68,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- pud_set(pud, (unsigned long)pmd);
- }
-
-+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
-+{
-+ pud_populate(mm, pud, pmd);
-+}
-+
- #define pmd_populate(mm, pmd, pte_page) \
- pmd_populate_kernel(mm, pmd, page_address(pte_page))
- #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte))
-@@ -76,6 +82,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- #else /* CONFIG_PPC_64K_PAGES */
-
- #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd)
-+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
-
- static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
- pte_t *pte)
-diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
-index 2e0e411..7899c68 100644
---- a/arch/powerpc/include/asm/pgtable.h
-+++ b/arch/powerpc/include/asm/pgtable.h
-@@ -2,6 +2,7 @@
- #define _ASM_POWERPC_PGTABLE_H
- #ifdef __KERNEL__
-
-+#include <linux/const.h>
- #ifndef __ASSEMBLY__
- #include <asm/processor.h> /* For TASK_SIZE */
- #include <asm/mmu.h>
-diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h
-index 4aad413..85d86bf 100644
---- a/arch/powerpc/include/asm/pte-hash32.h
-+++ b/arch/powerpc/include/asm/pte-hash32.h
-@@ -21,6 +21,7 @@
- #define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */
- #define _PAGE_USER 0x004 /* usermode access allowed */
- #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */
-+#define _PAGE_EXEC _PAGE_GUARDED
- #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */
- #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */
- #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */
-diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
-index 360585d..c3930ef 100644
---- a/arch/powerpc/include/asm/reg.h
-+++ b/arch/powerpc/include/asm/reg.h
-@@ -212,6 +212,7 @@
- #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
- #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
- #define DSISR_NOHPTE 0x40000000 /* no translation found */
-+#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */
- #define DSISR_PROTFAULT 0x08000000 /* protection fault */
- #define DSISR_ISSTORE 0x02000000 /* access was a store */
- #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
-diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
-index 68831e9..379c695 100644
---- a/arch/powerpc/include/asm/thread_info.h
-+++ b/arch/powerpc/include/asm/thread_info.h
-@@ -91,12 +91,14 @@ static inline struct thread_info *current_thread_info(void)
- #define TIF_PERFMON_CTXSW 6 /* perfmon needs ctxsw calls */
- #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
- #define TIF_SINGLESTEP 8 /* singlestepping active */
--#define TIF_MEMDIE 9 /* is terminating due to OOM killer */
- #define TIF_SECCOMP 10 /* secure computing */
- #define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */
- #define TIF_NOERROR 12 /* Force successful syscall return */
- #define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
- #define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */
-+#define TIF_MEMDIE 16 /* is terminating due to OOM killer */
-+/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */
-+#define TIF_GRSEC_SETXID 9 /* update credentials on syscall entry/exit */
-
- /* as above, but as bit values */
- #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-@@ -113,8 +115,10 @@ static inline struct thread_info *current_thread_info(void)
- #define _TIF_NOERROR (1<<TIF_NOERROR)
- #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
- #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
-+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
- #define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
-- _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
-+ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \
-+ _TIF_GRSEC_SETXID)
-
- #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
- _TIF_NOTIFY_RESUME)
-diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
-index 17bb40c..353c98b 100644
---- a/arch/powerpc/include/asm/uaccess.h
-+++ b/arch/powerpc/include/asm/uaccess.h
-@@ -13,6 +13,8 @@
- #define VERIFY_READ 0
- #define VERIFY_WRITE 1
-
-+extern void check_object_size(const void *ptr, unsigned long n, bool to);
-+
- /*
- * The fs value determines whether argument validity checking should be
- * performed or not. If get_fs() == USER_DS, checking is performed, with
-@@ -329,52 +331,6 @@ do { \
- extern unsigned long __copy_tofrom_user(void __user *to,
- const void __user *from, unsigned long size);
-
--#ifndef __powerpc64__
--
--static inline unsigned long copy_from_user(void *to,
-- const void __user *from, unsigned long n)
--{
-- unsigned long over;
--
-- if (access_ok(VERIFY_READ, from, n))
-- return __copy_tofrom_user((__force void __user *)to, from, n);
-- if ((unsigned long)from < TASK_SIZE) {
-- over = (unsigned long)from + n - TASK_SIZE;
-- return __copy_tofrom_user((__force void __user *)to, from,
-- n - over) + over;
-- }
-- return n;
--}
--
--static inline unsigned long copy_to_user(void __user *to,
-- const void *from, unsigned long n)
--{
-- unsigned long over;
--
-- if (access_ok(VERIFY_WRITE, to, n))
-- return __copy_tofrom_user(to, (__force void __user *)from, n);
-- if ((unsigned long)to < TASK_SIZE) {
-- over = (unsigned long)to + n - TASK_SIZE;
-- return __copy_tofrom_user(to, (__force void __user *)from,
-- n - over) + over;
-- }
-- return n;
--}
--
--#else /* __powerpc64__ */
--
--#define __copy_in_user(to, from, size) \
-- __copy_tofrom_user((to), (from), (size))
--
--extern unsigned long copy_from_user(void *to, const void __user *from,
-- unsigned long n);
--extern unsigned long copy_to_user(void __user *to, const void *from,
-- unsigned long n);
--extern unsigned long copy_in_user(void __user *to, const void __user *from,
-- unsigned long n);
--
--#endif /* __powerpc64__ */
--
- static inline unsigned long __copy_from_user_inatomic(void *to,
- const void __user *from, unsigned long n)
- {
-@@ -398,6 +354,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
- if (ret == 0)
- return 0;
- }
-+
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+
- return __copy_tofrom_user((__force void __user *)to, from, n);
- }
-
-@@ -424,6 +384,10 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
- if (ret == 0)
- return 0;
- }
-+
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
-+
- return __copy_tofrom_user(to, (__force const void __user *)from, n);
- }
-
-@@ -441,6 +405,92 @@ static inline unsigned long __copy_to_user(void __user *to,
- return __copy_to_user_inatomic(to, from, size);
- }
-
-+#ifndef __powerpc64__
-+
-+static inline unsigned long __must_check copy_from_user(void *to,
-+ const void __user *from, unsigned long n)
-+{
-+ unsigned long over;
-+
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (access_ok(VERIFY_READ, from, n)) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+ return __copy_tofrom_user((__force void __user *)to, from, n);
-+ }
-+ if ((unsigned long)from < TASK_SIZE) {
-+ over = (unsigned long)from + n - TASK_SIZE;
-+ if (!__builtin_constant_p(n - over))
-+ check_object_size(to, n - over, false);
-+ return __copy_tofrom_user((__force void __user *)to, from,
-+ n - over) + over;
-+ }
-+ return n;
-+}
-+
-+static inline unsigned long __must_check copy_to_user(void __user *to,
-+ const void *from, unsigned long n)
-+{
-+ unsigned long over;
-+
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (access_ok(VERIFY_WRITE, to, n)) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
-+ return __copy_tofrom_user(to, (__force void __user *)from, n);
-+ }
-+ if ((unsigned long)to < TASK_SIZE) {
-+ over = (unsigned long)to + n - TASK_SIZE;
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n - over, true);
-+ return __copy_tofrom_user(to, (__force void __user *)from,
-+ n - over) + over;
-+ }
-+ return n;
-+}
-+
-+#else /* __powerpc64__ */
-+
-+#define __copy_in_user(to, from, size) \
-+ __copy_tofrom_user((to), (from), (size))
-+
-+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
-+{
-+ if ((long)n < 0 || n > INT_MAX)
-+ return n;
-+
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+
-+ if (likely(access_ok(VERIFY_READ, from, n)))
-+ n = __copy_from_user(to, from, n);
-+ else
-+ memset(to, 0, n);
-+ return n;
-+}
-+
-+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
-+{
-+ if ((long)n < 0 || n > INT_MAX)
-+ return n;
-+
-+ if (likely(access_ok(VERIFY_WRITE, to, n))) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
-+ n = __copy_to_user(to, from, n);
-+ }
-+ return n;
-+}
-+
-+extern unsigned long copy_in_user(void __user *to, const void __user *from,
-+ unsigned long n);
-+
-+#endif /* __powerpc64__ */
-+
- extern unsigned long __clear_user(void __user *addr, unsigned long size);
-
- static inline unsigned long clear_user(void __user *addr, unsigned long size)
-diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
-index 7215cc2..a9730c1 100644
---- a/arch/powerpc/kernel/exceptions-64e.S
-+++ b/arch/powerpc/kernel/exceptions-64e.S
-@@ -661,6 +661,7 @@ storage_fault_common:
- std r14,_DAR(r1)
- std r15,_DSISR(r1)
- addi r3,r1,STACK_FRAME_OVERHEAD
-+ bl .save_nvgprs
- mr r4,r14
- mr r5,r15
- ld r14,PACA_EXGEN+EX_R14(r13)
-@@ -669,8 +670,7 @@ storage_fault_common:
- cmpdi r3,0
- bne- 1f
- b .ret_from_except_lite
--1: bl .save_nvgprs
-- mr r5,r3
-+1: mr r5,r3
- addi r3,r1,STACK_FRAME_OVERHEAD
- ld r4,_DAR(r1)
- bl .bad_page_fault
-diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
-index 1c06d29..c2a339b 100644
---- a/arch/powerpc/kernel/exceptions-64s.S
-+++ b/arch/powerpc/kernel/exceptions-64s.S
-@@ -888,10 +888,10 @@ handle_page_fault:
- 11: ld r4,_DAR(r1)
- ld r5,_DSISR(r1)
- addi r3,r1,STACK_FRAME_OVERHEAD
-+ bl .save_nvgprs
- bl .do_page_fault
- cmpdi r3,0
- beq+ 12f
-- bl .save_nvgprs
- mr r5,r3
- addi r3,r1,STACK_FRAME_OVERHEAD
- lwz r4,_DAR(r1)
-diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
-index 2e3200c..72095ce 100644
---- a/arch/powerpc/kernel/module_32.c
-+++ b/arch/powerpc/kernel/module_32.c
-@@ -162,7 +162,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
- me->arch.core_plt_section = i;
- }
- if (!me->arch.core_plt_section || !me->arch.init_plt_section) {
-- printk("Module doesn't contain .plt or .init.plt sections.\n");
-+ printk("Module %s doesn't contain .plt or .init.plt sections.\n", me->name);
- return -ENOEXEC;
- }
-
-@@ -192,11 +192,16 @@ static uint32_t do_plt_call(void *location,
-
- DEBUGP("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location);
- /* Init, or core PLT? */
-- if (location >= mod->module_core
-- && location < mod->module_core + mod->core_size)
-+ if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) ||
-+ (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw))
- entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr;
-- else
-+ else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) ||
-+ (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw))
- entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr;
-+ else {
-+ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name);
-+ return ~0UL;
-+ }
-
- /* Find this entry, or if that fails, the next avail. entry */
- while (entry->jump[0]) {
-diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
-index 710f400..d00ebe6 100644
---- a/arch/powerpc/kernel/process.c
-+++ b/arch/powerpc/kernel/process.c
-@@ -681,8 +681,8 @@ void show_regs(struct pt_regs * regs)
- * Lookup NIP late so we have the best change of getting the
- * above info out without failing
- */
-- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip);
-- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link);
-+ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip);
-+ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link);
- #endif
- show_stack(current, (unsigned long *) regs->gpr[1]);
- if (!user_mode(regs))
-@@ -1189,10 +1189,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
- newsp = stack[0];
- ip = stack[STACK_FRAME_LR_SAVE];
- if (!firstframe || ip != lr) {
-- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
-+ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip);
- #ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if ((ip == rth || ip == mrth) && curr_frame >= 0) {
-- printk(" (%pS)",
-+ printk(" (%pA)",
- (void *)current->ret_stack[curr_frame].ret);
- curr_frame--;
- }
-@@ -1212,7 +1212,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
- struct pt_regs *regs = (struct pt_regs *)
- (sp + STACK_FRAME_OVERHEAD);
- lr = regs->link;
-- printk("--- Exception: %lx at %pS\n LR = %pS\n",
-+ printk("--- Exception: %lx at %pA\n LR = %pA\n",
- regs->trap, (void *)regs->nip, (void *)lr);
- firstframe = 1;
- }
-@@ -1254,58 +1254,3 @@ void __ppc64_runlatch_off(void)
- mtspr(SPRN_CTRLT, ctrl);
- }
- #endif /* CONFIG_PPC64 */
--
--unsigned long arch_align_stack(unsigned long sp)
--{
-- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
-- sp -= get_random_int() & ~PAGE_MASK;
-- return sp & ~0xf;
--}
--
--static inline unsigned long brk_rnd(void)
--{
-- unsigned long rnd = 0;
--
-- /* 8MB for 32bit, 1GB for 64bit */
-- if (is_32bit_task())
-- rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT)));
-- else
-- rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT)));
--
-- return rnd << PAGE_SHIFT;
--}
--
--unsigned long arch_randomize_brk(struct mm_struct *mm)
--{
-- unsigned long base = mm->brk;
-- unsigned long ret;
--
--#ifdef CONFIG_PPC_STD_MMU_64
-- /*
-- * If we are using 1TB segments and we are allowed to randomise
-- * the heap, we can put it above 1TB so it is backed by a 1TB
-- * segment. Otherwise the heap will be in the bottom 1TB
-- * which always uses 256MB segments and this may result in a
-- * performance penalty.
-- */
-- if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T))
-- base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T);
--#endif
--
-- ret = PAGE_ALIGN(base + brk_rnd());
--
-- if (ret < mm->brk)
-- return mm->brk;
--
-- return ret;
--}
--
--unsigned long randomize_et_dyn(unsigned long base)
--{
-- unsigned long ret = PAGE_ALIGN(base + brk_rnd());
--
-- if (ret < base)
-- return base;
--
-- return ret;
--}
-diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
-index c10fc28..c4ef063 100644
---- a/arch/powerpc/kernel/ptrace.c
-+++ b/arch/powerpc/kernel/ptrace.c
-@@ -1660,6 +1660,10 @@ long arch_ptrace(struct task_struct *child, long request,
- return ret;
- }
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern void gr_delayed_cred_worker(void);
-+#endif
-+
- /*
- * We must return the syscall number to actually look up in the table.
- * This can be -1L to skip running any syscall at all.
-@@ -1670,6 +1674,11 @@ long do_syscall_trace_enter(struct pt_regs *regs)
-
- secure_computing_strict(regs->gpr[0]);
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- if (test_thread_flag(TIF_SYSCALL_TRACE) &&
- tracehook_report_syscall_entry(regs))
- /*
-@@ -1704,6 +1713,11 @@ void do_syscall_trace_leave(struct pt_regs *regs)
- {
- int step;
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- audit_syscall_exit(regs);
-
- if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
-diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
-index 8b4c049..dcd6ef3 100644
---- a/arch/powerpc/kernel/signal_32.c
-+++ b/arch/powerpc/kernel/signal_32.c
-@@ -852,7 +852,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
- /* Save user registers on the stack */
- frame = &rt_sf->uc.uc_mcontext;
- addr = frame;
-- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) {
-+ if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
- if (save_user_regs(regs, frame, 0, 1))
- goto badframe;
- regs->link = current->mm->context.vdso_base + vdso32_rt_sigtramp;
-diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
-index d183f87..1867f1a 100644
---- a/arch/powerpc/kernel/signal_64.c
-+++ b/arch/powerpc/kernel/signal_64.c
-@@ -430,7 +430,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info,
- current->thread.fpscr.val = 0;
-
- /* Set up to return from userspace. */
-- if (vdso64_rt_sigtramp && current->mm->context.vdso_base) {
-+ if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
- regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp;
- } else {
- err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]);
-diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
-index f2496f2..4e3cc47 100644
---- a/arch/powerpc/kernel/syscalls.c
-+++ b/arch/powerpc/kernel/syscalls.c
-@@ -107,11 +107,11 @@ long ppc64_personality(unsigned long personality)
- long ret;
-
- if (personality(current->personality) == PER_LINUX32
-- && personality == PER_LINUX)
-- personality = PER_LINUX32;
-+ && personality(personality) == PER_LINUX)
-+ personality = (personality & ~PER_MASK) | PER_LINUX32;
- ret = sys_personality(personality);
-- if (ret == PER_LINUX32)
-- ret = PER_LINUX;
-+ if (personality(ret) == PER_LINUX32)
-+ ret = (ret & ~PER_MASK) | PER_LINUX;
- return ret;
- }
- #endif
-diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
-index 1589723..cefe690 100644
---- a/arch/powerpc/kernel/traps.c
-+++ b/arch/powerpc/kernel/traps.c
-@@ -133,6 +133,8 @@ static unsigned __kprobes long oops_begin(struct pt_regs *regs)
- return flags;
- }
-
-+extern void gr_handle_kernel_exploit(void);
-+
- static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
- int signr)
- {
-@@ -182,6 +184,9 @@ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
- panic("Fatal exception in interrupt");
- if (panic_on_oops)
- panic("Fatal exception");
-+
-+ gr_handle_kernel_exploit();
-+
- do_exit(signr);
- }
-
-diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
-index 9eb5b9b..e45498a 100644
---- a/arch/powerpc/kernel/vdso.c
-+++ b/arch/powerpc/kernel/vdso.c
-@@ -34,6 +34,7 @@
- #include <asm/firmware.h>
- #include <asm/vdso.h>
- #include <asm/vdso_datapage.h>
-+#include <asm/mman.h>
-
- #include "setup.h"
-
-@@ -218,7 +219,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- vdso_base = VDSO32_MBASE;
- #endif
-
-- current->mm->context.vdso_base = 0;
-+ current->mm->context.vdso_base = ~0UL;
-
- /* vDSO has a problem and was disabled, just don't "enable" it for the
- * process
-@@ -238,7 +239,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- vdso_base = get_unmapped_area(NULL, vdso_base,
- (vdso_pages << PAGE_SHIFT) +
- ((VDSO_ALIGNMENT - 1) & PAGE_MASK),
-- 0, 0);
-+ 0, MAP_PRIVATE | MAP_EXECUTABLE);
- if (IS_ERR_VALUE(vdso_base)) {
- rc = vdso_base;
- goto fail_mmapsem;
-diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c
-index 5eea6f3..5d10396 100644
---- a/arch/powerpc/lib/usercopy_64.c
-+++ b/arch/powerpc/lib/usercopy_64.c
-@@ -9,22 +9,6 @@
- #include <linux/module.h>
- #include <asm/uaccess.h>
-
--unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
--{
-- if (likely(access_ok(VERIFY_READ, from, n)))
-- n = __copy_from_user(to, from, n);
-- else
-- memset(to, 0, n);
-- return n;
--}
--
--unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
--{
-- if (likely(access_ok(VERIFY_WRITE, to, n)))
-- n = __copy_to_user(to, from, n);
-- return n;
--}
--
- unsigned long copy_in_user(void __user *to, const void __user *from,
- unsigned long n)
- {
-@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from,
- return n;
- }
-
--EXPORT_SYMBOL(copy_from_user);
--EXPORT_SYMBOL(copy_to_user);
- EXPORT_SYMBOL(copy_in_user);
-
-diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
-index 08ffcf5..a0ab912 100644
---- a/arch/powerpc/mm/fault.c
-+++ b/arch/powerpc/mm/fault.c
-@@ -32,6 +32,10 @@
- #include <linux/perf_event.h>
- #include <linux/magic.h>
- #include <linux/ratelimit.h>
-+#include <linux/slab.h>
-+#include <linux/pagemap.h>
-+#include <linux/compiler.h>
-+#include <linux/unistd.h>
-
- #include <asm/firmware.h>
- #include <asm/page.h>
-@@ -68,6 +72,33 @@ static inline int notify_page_fault(struct pt_regs *regs)
- }
- #endif
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+/*
-+ * PaX: decide what to do with offenders (regs->nip = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+ return 1;
-+}
-+
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 5; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int __user *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- /*
- * Check whether the instruction at regs->nip is a store using
- * an update addressing form which will update r1.
-@@ -215,7 +246,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
- * indicate errors in DSISR but can validly be set in SRR1.
- */
- if (trap == 0x400)
-- error_code &= 0x48200000;
-+ error_code &= 0x58200000;
- else
- is_write = error_code & DSISR_ISSTORE;
- #else
-@@ -366,7 +397,7 @@ good_area:
- * "undefined". Of those that can be set, this is the only
- * one which seems bad.
- */
-- if (error_code & 0x10000000)
-+ if (error_code & DSISR_GUARDED)
- /* Guarded storage error. */
- goto bad_area;
- #endif /* CONFIG_8xx */
-@@ -381,7 +412,7 @@ good_area:
- * processors use the same I/D cache coherency mechanism
- * as embedded.
- */
-- if (error_code & DSISR_PROTFAULT)
-+ if (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))
- goto bad_area;
- #endif /* CONFIG_PPC_STD_MMU */
-
-@@ -463,6 +494,23 @@ bad_area:
- bad_area_nosemaphore:
- /* User mode accesses cause a SIGSEGV */
- if (user_mode(regs)) {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
-+#ifdef CONFIG_PPC_STD_MMU
-+ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) {
-+#else
-+ if (is_exec && regs->nip == address) {
-+#endif
-+ switch (pax_handle_fetch_fault(regs)) {
-+ }
-+
-+ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]);
-+ do_group_exit(SIGKILL);
-+ }
-+ }
-+#endif
-+
- _exception(SIGSEGV, regs, code, address);
- return 0;
- }
-diff --git a/arch/powerpc/mm/mmap_64.c b/arch/powerpc/mm/mmap_64.c
-index 67a42ed..1c7210c 100644
---- a/arch/powerpc/mm/mmap_64.c
-+++ b/arch/powerpc/mm/mmap_64.c
-@@ -91,10 +91,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- */
- if (mmap_is_legacy()) {
- mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base();
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
-index 73709f7..6b90313 100644
---- a/arch/powerpc/mm/slice.c
-+++ b/arch/powerpc/mm/slice.c
-@@ -98,7 +98,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr,
- if ((mm->task_size - len) < addr)
- return 0;
- vma = find_vma(mm, addr);
-- return (!vma || (addr + len) <= vma->vm_start);
-+ return check_heap_stack_gap(vma, addr, len);
- }
-
- static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice)
-@@ -256,7 +256,7 @@ full_search:
- addr = _ALIGN_UP(addr + 1, 1ul << SLICE_HIGH_SHIFT);
- continue;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -313,10 +313,14 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
- }
- }
-
-- addr = mm->mmap_base;
-- while (addr > len) {
-+ if (mm->mmap_base < len)
-+ addr = -ENOMEM;
-+ else
-+ addr = mm->mmap_base - len;
-+
-+ while (!IS_ERR_VALUE(addr)) {
- /* Go down by chunk size */
-- addr = _ALIGN_DOWN(addr - len, 1ul << pshift);
-+ addr = _ALIGN_DOWN(addr, 1ul << pshift);
-
- /* Check for hit with different page size */
- mask = slice_range_to_mask(addr, len);
-@@ -336,7 +340,7 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (!vma || (addr + len) <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /* remember the address as a hint for next time */
- if (use_cache)
- mm->free_area_cache = addr;
-@@ -348,7 +352,7 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = vma->vm_start;
-+ addr = skip_heap_stack_gap(vma, len);
- }
-
- /*
-@@ -426,6 +430,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
- if (fixed && addr > (mm->task_size - len))
- return -EINVAL;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP))
-+ addr = 0;
-+#endif
-+
- /* If hint, make sure it matches our alignment restrictions */
- if (!fixed && addr) {
- addr = _ALIGN_UP(addr, 1ul << pshift);
-diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
-index 748347b..81bc6c7 100644
---- a/arch/s390/include/asm/atomic.h
-+++ b/arch/s390/include/asm/atomic.h
-@@ -326,6 +326,16 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
- #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0)
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #define smp_mb__before_atomic_dec() smp_mb()
- #define smp_mb__after_atomic_dec() smp_mb()
- #define smp_mb__before_atomic_inc() smp_mb()
-diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
-index 2a30d5a..5e5586f 100644
---- a/arch/s390/include/asm/cache.h
-+++ b/arch/s390/include/asm/cache.h
-@@ -11,8 +11,10 @@
- #ifndef __ARCH_S390_CACHE_H
- #define __ARCH_S390_CACHE_H
-
--#define L1_CACHE_BYTES 256
-+#include <linux/const.h>
-+
- #define L1_CACHE_SHIFT 8
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
- #define NET_SKB_PAD 32
-
- #define __read_mostly __attribute__((__section__(".data..read_mostly")))
-diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
-index 06151e6..598f9a5 100644
---- a/arch/s390/include/asm/elf.h
-+++ b/arch/s390/include/asm/elf.h
-@@ -161,8 +161,14 @@ extern unsigned int vdso_enabled;
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--extern unsigned long randomize_et_dyn(unsigned long base);
--#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2))
-+#define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2)
-+
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
-+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
-+#endif
-
- /* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. */
-@@ -182,7 +188,8 @@ extern char elf_platform[];
- #define ELF_PLATFORM (elf_platform)
-
- #ifndef CONFIG_64BIT
--#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
-+#define SET_PERSONALITY(ex) \
-+ set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
- #else /* CONFIG_64BIT */
- #define SET_PERSONALITY(ex) \
- do { \
-@@ -210,7 +217,4 @@ struct linux_binprm;
- #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
- int arch_setup_additional_pages(struct linux_binprm *, int);
-
--extern unsigned long arch_randomize_brk(struct mm_struct *mm);
--#define arch_randomize_brk arch_randomize_brk
--
- #endif
-diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h
-index c4a93d6..4d2a9b4 100644
---- a/arch/s390/include/asm/exec.h
-+++ b/arch/s390/include/asm/exec.h
-@@ -7,6 +7,6 @@
- #ifndef __ASM_EXEC_H
- #define __ASM_EXEC_H
-
--extern unsigned long arch_align_stack(unsigned long sp);
-+#define arch_align_stack(x) ((x) & ~0xfUL)
-
- #endif /* __ASM_EXEC_H */
-diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
-index 1f3a79b..44d7f9c 100644
---- a/arch/s390/include/asm/uaccess.h
-+++ b/arch/s390/include/asm/uaccess.h
-@@ -241,6 +241,10 @@ static inline unsigned long __must_check
- copy_to_user(void __user *to, const void *from, unsigned long n)
- {
- might_fault();
-+
-+ if ((long)n < 0)
-+ return n;
-+
- if (access_ok(VERIFY_WRITE, to, n))
- n = __copy_to_user(to, from, n);
- return n;
-@@ -266,6 +270,9 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
- static inline unsigned long __must_check
- __copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- if (__builtin_constant_p(n) && (n <= 256))
- return uaccess.copy_from_user_small(n, from, to);
- else
-@@ -297,10 +304,14 @@ __compiletime_warning("copy_from_user() buffer size is not provably correct")
- static inline unsigned long __must_check
- copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-- unsigned int sz = __compiletime_object_size(to);
-+ size_t sz = __compiletime_object_size(to);
-
- might_fault();
-- if (unlikely(sz != -1 && sz < n)) {
-+
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (unlikely(sz != (size_t)-1 && sz < n)) {
- copy_from_user_overflow();
- return n;
- }
-diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
-index dfcb343..eda788a 100644
---- a/arch/s390/kernel/module.c
-+++ b/arch/s390/kernel/module.c
-@@ -161,11 +161,11 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
-
- /* Increase core size by size of got & plt and set start
- offsets for got and plt. */
-- me->core_size = ALIGN(me->core_size, 4);
-- me->arch.got_offset = me->core_size;
-- me->core_size += me->arch.got_size;
-- me->arch.plt_offset = me->core_size;
-- me->core_size += me->arch.plt_size;
-+ me->core_size_rw = ALIGN(me->core_size_rw, 4);
-+ me->arch.got_offset = me->core_size_rw;
-+ me->core_size_rw += me->arch.got_size;
-+ me->arch.plt_offset = me->core_size_rx;
-+ me->core_size_rx += me->arch.plt_size;
- return 0;
- }
-
-@@ -242,7 +242,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- if (info->got_initialized == 0) {
- Elf_Addr *gotent;
-
-- gotent = me->module_core + me->arch.got_offset +
-+ gotent = me->module_core_rw + me->arch.got_offset +
- info->got_offset;
- *gotent = val;
- info->got_initialized = 1;
-@@ -266,7 +266,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- else if (r_type == R_390_GOTENT ||
- r_type == R_390_GOTPLTENT)
- *(unsigned int *) loc =
-- (val + (Elf_Addr) me->module_core - loc) >> 1;
-+ (val + (Elf_Addr) me->module_core_rw - loc) >> 1;
- else if (r_type == R_390_GOT64 ||
- r_type == R_390_GOTPLT64)
- *(unsigned long *) loc = val;
-@@ -280,7 +280,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */
- if (info->plt_initialized == 0) {
- unsigned int *ip;
-- ip = me->module_core + me->arch.plt_offset +
-+ ip = me->module_core_rx + me->arch.plt_offset +
- info->plt_offset;
- #ifndef CONFIG_64BIT
- ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */
-@@ -305,7 +305,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- val - loc + 0xffffUL < 0x1ffffeUL) ||
- (r_type == R_390_PLT32DBL &&
- val - loc + 0xffffffffULL < 0x1fffffffeULL)))
-- val = (Elf_Addr) me->module_core +
-+ val = (Elf_Addr) me->module_core_rx +
- me->arch.plt_offset +
- info->plt_offset;
- val += rela->r_addend - loc;
-@@ -327,7 +327,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- case R_390_GOTOFF32: /* 32 bit offset to GOT. */
- case R_390_GOTOFF64: /* 64 bit offset to GOT. */
- val = val + rela->r_addend -
-- ((Elf_Addr) me->module_core + me->arch.got_offset);
-+ ((Elf_Addr) me->module_core_rw + me->arch.got_offset);
- if (r_type == R_390_GOTOFF16)
- *(unsigned short *) loc = val;
- else if (r_type == R_390_GOTOFF32)
-@@ -337,7 +337,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
- break;
- case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */
- case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */
-- val = (Elf_Addr) me->module_core + me->arch.got_offset +
-+ val = (Elf_Addr) me->module_core_rw + me->arch.got_offset +
- rela->r_addend - loc;
- if (r_type == R_390_GOTPC)
- *(unsigned int *) loc = val;
-diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
-index 60055ce..ee4b252 100644
---- a/arch/s390/kernel/process.c
-+++ b/arch/s390/kernel/process.c
-@@ -316,39 +316,3 @@ unsigned long get_wchan(struct task_struct *p)
- }
- return 0;
- }
--
--unsigned long arch_align_stack(unsigned long sp)
--{
-- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
-- sp -= get_random_int() & ~PAGE_MASK;
-- return sp & ~0xf;
--}
--
--static inline unsigned long brk_rnd(void)
--{
-- /* 8MB for 32bit, 1GB for 64bit */
-- if (is_32bit_task())
-- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT;
-- else
-- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT;
--}
--
--unsigned long arch_randomize_brk(struct mm_struct *mm)
--{
-- unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd());
--
-- if (ret < mm->brk)
-- return mm->brk;
-- return ret;
--}
--
--unsigned long randomize_et_dyn(unsigned long base)
--{
-- unsigned long ret = PAGE_ALIGN(base + brk_rnd());
--
-- if (!(current->flags & PF_RANDOMIZE))
-- return base;
-- if (ret < base)
-- return base;
-- return ret;
--}
-diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
-index a64fe53..5c66963 100644
---- a/arch/s390/mm/mmap.c
-+++ b/arch/s390/mm/mmap.c
-@@ -92,10 +92,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- */
- if (mmap_is_legacy()) {
- mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base();
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-@@ -174,10 +186,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- */
- if (mmap_is_legacy()) {
- mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = s390_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base();
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = s390_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
-index ae3d59f..f65f075 100644
---- a/arch/score/include/asm/cache.h
-+++ b/arch/score/include/asm/cache.h
-@@ -1,7 +1,9 @@
- #ifndef _ASM_SCORE_CACHE_H
- #define _ASM_SCORE_CACHE_H
-
-+#include <linux/const.h>
-+
- #define L1_CACHE_SHIFT 4
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #endif /* _ASM_SCORE_CACHE_H */
-diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
-index f9f3cd5..58ff438 100644
---- a/arch/score/include/asm/exec.h
-+++ b/arch/score/include/asm/exec.h
-@@ -1,6 +1,6 @@
- #ifndef _ASM_SCORE_EXEC_H
- #define _ASM_SCORE_EXEC_H
-
--extern unsigned long arch_align_stack(unsigned long sp);
-+#define arch_align_stack(x) (x)
-
- #endif /* _ASM_SCORE_EXEC_H */
-diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
-index 2707023..1c2a3b7 100644
---- a/arch/score/kernel/process.c
-+++ b/arch/score/kernel/process.c
-@@ -159,8 +159,3 @@ unsigned long get_wchan(struct task_struct *task)
-
- return task_pt_regs(task)->cp0_epc;
- }
--
--unsigned long arch_align_stack(unsigned long sp)
--{
-- return sp;
--}
-diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
-index ef9e555..331bd29 100644
---- a/arch/sh/include/asm/cache.h
-+++ b/arch/sh/include/asm/cache.h
-@@ -9,10 +9,11 @@
- #define __ASM_SH_CACHE_H
- #ifdef __KERNEL__
-
-+#include <linux/const.h>
- #include <linux/init.h>
- #include <cpu/cache.h>
-
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define __read_mostly __attribute__((__section__(".data..read_mostly")))
-
-diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
-index afeb710..d1d1289 100644
---- a/arch/sh/mm/mmap.c
-+++ b/arch/sh/mm/mmap.c
-@@ -74,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
-
-@@ -106,7 +105,7 @@ full_search:
- }
- return -ENOMEM;
- }
-- if (likely(!vma || addr + len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -157,8 +156,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
-
-@@ -179,7 +177,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- /* make sure it can fit in the remaining address space */
- if (likely(addr > len)) {
- vma = find_vma(mm, addr-len);
-- if (!vma || addr <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr - len, len)) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr-len);
- }
-@@ -188,18 +186,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- if (unlikely(mm->mmap_base < len))
- goto bottomup;
-
-- addr = mm->mmap_base-len;
-- if (do_colour_align)
-- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
-+ addr = mm->mmap_base - len;
-
- do {
-+ if (do_colour_align)
-+ addr = COLOUR_ALIGN_DOWN(addr, pgoff);
- /*
- * Lookup failure means no vma is above this address,
- * else if new region fits below vma->vm_start,
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (likely(!vma || addr+len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr);
- }
-@@ -209,10 +207,8 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = vma->vm_start-len;
-- if (do_colour_align)
-- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
-- } while (likely(len < vma->vm_start));
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- bottomup:
- /*
-diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
-index ce35a1c..2e7b8f9 100644
---- a/arch/sparc/include/asm/atomic_64.h
-+++ b/arch/sparc/include/asm/atomic_64.h
-@@ -14,18 +14,40 @@
- #define ATOMIC64_INIT(i) { (i) }
-
- #define atomic_read(v) (*(volatile int *)&(v)->counter)
-+static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
-+{
-+ return v->counter;
-+}
- #define atomic64_read(v) (*(volatile long *)&(v)->counter)
-+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
-+{
-+ return v->counter;
-+}
-
- #define atomic_set(v, i) (((v)->counter) = i)
-+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
-+{
-+ v->counter = i;
-+}
- #define atomic64_set(v, i) (((v)->counter) = i)
-+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
-+{
-+ v->counter = i;
-+}
-
- extern void atomic_add(int, atomic_t *);
-+extern void atomic_add_unchecked(int, atomic_unchecked_t *);
- extern void atomic64_add(long, atomic64_t *);
-+extern void atomic64_add_unchecked(long, atomic64_unchecked_t *);
- extern void atomic_sub(int, atomic_t *);
-+extern void atomic_sub_unchecked(int, atomic_unchecked_t *);
- extern void atomic64_sub(long, atomic64_t *);
-+extern void atomic64_sub_unchecked(long, atomic64_unchecked_t *);
-
- extern int atomic_add_ret(int, atomic_t *);
-+extern int atomic_add_ret_unchecked(int, atomic_unchecked_t *);
- extern long atomic64_add_ret(long, atomic64_t *);
-+extern long atomic64_add_ret_unchecked(long, atomic64_unchecked_t *);
- extern int atomic_sub_ret(int, atomic_t *);
- extern long atomic64_sub_ret(long, atomic64_t *);
-
-@@ -33,13 +55,29 @@ extern long atomic64_sub_ret(long, atomic64_t *);
- #define atomic64_dec_return(v) atomic64_sub_ret(1, v)
-
- #define atomic_inc_return(v) atomic_add_ret(1, v)
-+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
-+{
-+ return atomic_add_ret_unchecked(1, v);
-+}
- #define atomic64_inc_return(v) atomic64_add_ret(1, v)
-+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
-+{
-+ return atomic64_add_ret_unchecked(1, v);
-+}
-
- #define atomic_sub_return(i, v) atomic_sub_ret(i, v)
- #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v)
-
- #define atomic_add_return(i, v) atomic_add_ret(i, v)
-+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ return atomic_add_ret_unchecked(i, v);
-+}
- #define atomic64_add_return(i, v) atomic64_add_ret(i, v)
-+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v)
-+{
-+ return atomic64_add_ret_unchecked(i, v);
-+}
-
- /*
- * atomic_inc_and_test - increment and test
-@@ -50,6 +88,10 @@ extern long atomic64_sub_ret(long, atomic64_t *);
- * other cases.
- */
- #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
-+{
-+ return atomic_inc_return_unchecked(v) == 0;
-+}
- #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
-
- #define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0)
-@@ -59,25 +101,60 @@ extern long atomic64_sub_ret(long, atomic64_t *);
- #define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0)
-
- #define atomic_inc(v) atomic_add(1, v)
-+static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
-+{
-+ atomic_add_unchecked(1, v);
-+}
- #define atomic64_inc(v) atomic64_add(1, v)
-+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
-+{
-+ atomic64_add_unchecked(1, v);
-+}
-
- #define atomic_dec(v) atomic_sub(1, v)
-+static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
-+{
-+ atomic_sub_unchecked(1, v);
-+}
- #define atomic64_dec(v) atomic64_sub(1, v)
-+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
-+{
-+ atomic64_sub_unchecked(1, v);
-+}
-
- #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0)
- #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
-
- #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
-+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
-+{
-+ return cmpxchg(&v->counter, old, new);
-+}
- #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
-+{
-+ return xchg(&v->counter, new);
-+}
-
- static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- {
-- int c, old;
-+ int c, old, new;
- c = atomic_read(v);
- for (;;) {
-- if (unlikely(c == (u)))
-+ if (unlikely(c == u))
- break;
-- old = atomic_cmpxchg((v), c, c + (a));
-+
-+ asm volatile("addcc %2, %0, %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "tvs %%icc, 6\n"
-+#endif
-+
-+ : "=r" (new)
-+ : "0" (c), "ir" (a)
-+ : "cc");
-+
-+ old = atomic_cmpxchg(v, c, new);
- if (likely(old == c))
- break;
- c = old;
-@@ -88,20 +165,35 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- #define atomic64_cmpxchg(v, o, n) \
- ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
- #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
-+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new)
-+{
-+ return xchg(&v->counter, new);
-+}
-
- static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
- {
-- long c, old;
-+ long c, old, new;
- c = atomic64_read(v);
- for (;;) {
-- if (unlikely(c == (u)))
-+ if (unlikely(c == u))
- break;
-- old = atomic64_cmpxchg((v), c, c + (a));
-+
-+ asm volatile("addcc %2, %0, %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "tvs %%xcc, 6\n"
-+#endif
-+
-+ : "=r" (new)
-+ : "0" (c), "ir" (a)
-+ : "cc");
-+
-+ old = atomic64_cmpxchg(v, c, new);
- if (likely(old == c))
- break;
- c = old;
- }
-- return c != (u);
-+ return c != u;
- }
-
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
-index 5bb6991..5c2132e 100644
---- a/arch/sparc/include/asm/cache.h
-+++ b/arch/sparc/include/asm/cache.h
-@@ -7,10 +7,12 @@
- #ifndef _SPARC_CACHE_H
- #define _SPARC_CACHE_H
-
-+#include <linux/const.h>
-+
- #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-
- #define L1_CACHE_SHIFT 5
--#define L1_CACHE_BYTES 32
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #ifdef CONFIG_SPARC32
- #define SMP_CACHE_BYTES_SHIFT 5
-diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
-index 2d4d755..81b6662 100644
---- a/arch/sparc/include/asm/elf_32.h
-+++ b/arch/sparc/include/asm/elf_32.h
-@@ -114,6 +114,13 @@ typedef struct {
-
- #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE 0x10000UL
-+
-+#define PAX_DELTA_MMAP_LEN 16
-+#define PAX_DELTA_STACK_LEN 16
-+#endif
-+
- /* This yields a mask that user programs can use to figure out what
- instruction set this cpu supports. This can NOT be done in userspace
- on Sparc. */
-diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
-index 7df8b7f..4946269 100644
---- a/arch/sparc/include/asm/elf_64.h
-+++ b/arch/sparc/include/asm/elf_64.h
-@@ -180,6 +180,13 @@ typedef struct {
- #define ELF_ET_DYN_BASE 0x0000010000000000UL
- #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
-
-+#ifdef CONFIG_PAX_ASLR
-+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL)
-+
-+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28)
-+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29)
-+#endif
-+
- extern unsigned long sparc64_elf_hwcap;
- #define ELF_HWCAP sparc64_elf_hwcap
-
-diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
-index e5b169b46..e90b4fa 100644
---- a/arch/sparc/include/asm/pgalloc_32.h
-+++ b/arch/sparc/include/asm/pgalloc_32.h
-@@ -46,6 +46,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
- }
-
- #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
-+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD))
-
- static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
- unsigned long address)
-diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
-index 40b2d7a..22a665b 100644
---- a/arch/sparc/include/asm/pgalloc_64.h
-+++ b/arch/sparc/include/asm/pgalloc_64.h
-@@ -26,6 +26,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
- }
-
- #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
-+#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD))
-
- static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
- {
-diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
-index cbbbed5..0983069 100644
---- a/arch/sparc/include/asm/pgtable_32.h
-+++ b/arch/sparc/include/asm/pgtable_32.h
-@@ -50,6 +50,9 @@ extern unsigned long calc_highpages(void);
- #define PAGE_SHARED SRMMU_PAGE_SHARED
- #define PAGE_COPY SRMMU_PAGE_COPY
- #define PAGE_READONLY SRMMU_PAGE_RDONLY
-+#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC
-+#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC
-+#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC
- #define PAGE_KERNEL SRMMU_PAGE_KERNEL
-
- /* Top-level page directory */
-@@ -61,18 +64,18 @@ extern unsigned long ptr_in_current_pgd;
-
- /* xwr */
- #define __P000 PAGE_NONE
--#define __P001 PAGE_READONLY
--#define __P010 PAGE_COPY
--#define __P011 PAGE_COPY
-+#define __P001 PAGE_READONLY_NOEXEC
-+#define __P010 PAGE_COPY_NOEXEC
-+#define __P011 PAGE_COPY_NOEXEC
- #define __P100 PAGE_READONLY
- #define __P101 PAGE_READONLY
- #define __P110 PAGE_COPY
- #define __P111 PAGE_COPY
-
- #define __S000 PAGE_NONE
--#define __S001 PAGE_READONLY
--#define __S010 PAGE_SHARED
--#define __S011 PAGE_SHARED
-+#define __S001 PAGE_READONLY_NOEXEC
-+#define __S010 PAGE_SHARE_NOEXEC
-+#define __S011 PAGE_SHARE_NOEXEC
- #define __S100 PAGE_READONLY
- #define __S101 PAGE_READONLY
- #define __S110 PAGE_SHARED
-diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
-index 79da178..c2eede8 100644
---- a/arch/sparc/include/asm/pgtsrmmu.h
-+++ b/arch/sparc/include/asm/pgtsrmmu.h
-@@ -115,6 +115,11 @@
- SRMMU_EXEC | SRMMU_REF)
- #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \
- SRMMU_EXEC | SRMMU_REF)
-+
-+#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF)
-+#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
-+#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
-+
- #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \
- SRMMU_DIRTY | SRMMU_REF)
-
-diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
-index 9689176..63c18ea 100644
---- a/arch/sparc/include/asm/spinlock_64.h
-+++ b/arch/sparc/include/asm/spinlock_64.h
-@@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla
-
- /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
-
--static void inline arch_read_lock(arch_rwlock_t *lock)
-+static inline void arch_read_lock(arch_rwlock_t *lock)
- {
- unsigned long tmp1, tmp2;
-
- __asm__ __volatile__ (
- "1: ldsw [%2], %0\n"
- " brlz,pn %0, 2f\n"
--"4: add %0, 1, %1\n"
-+"4: addcc %0, 1, %1\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" tvs %%icc, 6\n"
-+#endif
-+
- " cas [%2], %0, %1\n"
- " cmp %0, %1\n"
- " bne,pn %%icc, 1b\n"
-@@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_rwlock_t *lock)
- " .previous"
- : "=&r" (tmp1), "=&r" (tmp2)
- : "r" (lock)
-- : "memory");
-+ : "memory", "cc");
- }
-
--static int inline arch_read_trylock(arch_rwlock_t *lock)
-+static inline int arch_read_trylock(arch_rwlock_t *lock)
- {
- int tmp1, tmp2;
-
-@@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
- "1: ldsw [%2], %0\n"
- " brlz,a,pn %0, 2f\n"
- " mov 0, %0\n"
--" add %0, 1, %1\n"
-+" addcc %0, 1, %1\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" tvs %%icc, 6\n"
-+#endif
-+
- " cas [%2], %0, %1\n"
- " cmp %0, %1\n"
- " bne,pn %%icc, 1b\n"
-@@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
- return tmp1;
- }
-
--static void inline arch_read_unlock(arch_rwlock_t *lock)
-+static inline void arch_read_unlock(arch_rwlock_t *lock)
- {
- unsigned long tmp1, tmp2;
-
- __asm__ __volatile__(
- "1: lduw [%2], %0\n"
--" sub %0, 1, %1\n"
-+" subcc %0, 1, %1\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+" tvs %%icc, 6\n"
-+#endif
-+
- " cas [%2], %0, %1\n"
- " cmp %0, %1\n"
- " bne,pn %%xcc, 1b\n"
-@@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock)
- : "memory");
- }
-
--static void inline arch_write_lock(arch_rwlock_t *lock)
-+static inline void arch_write_lock(arch_rwlock_t *lock)
- {
- unsigned long mask, tmp1, tmp2;
-
-@@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock)
- : "memory");
- }
-
--static void inline arch_write_unlock(arch_rwlock_t *lock)
-+static inline void arch_write_unlock(arch_rwlock_t *lock)
- {
- __asm__ __volatile__(
- " stw %%g0, [%0]"
-@@ -186,7 +201,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock)
- : "memory");
- }
-
--static int inline arch_write_trylock(arch_rwlock_t *lock)
-+static inline int arch_write_trylock(arch_rwlock_t *lock)
- {
- unsigned long mask, tmp1, tmp2, result;
-
-diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
-index e6cd224..3a71793 100644
---- a/arch/sparc/include/asm/thread_info_32.h
-+++ b/arch/sparc/include/asm/thread_info_32.h
-@@ -49,6 +49,8 @@ struct thread_info {
- unsigned long w_saved;
-
- struct restart_block restart_block;
-+
-+ unsigned long lowest_stack;
- };
-
- /*
-diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
-index cfa8c38..13f30d3 100644
---- a/arch/sparc/include/asm/thread_info_64.h
-+++ b/arch/sparc/include/asm/thread_info_64.h
-@@ -63,6 +63,8 @@ struct thread_info {
- struct pt_regs *kern_una_regs;
- unsigned int kern_una_insn;
-
-+ unsigned long lowest_stack;
-+
- unsigned long fpregs[0] __attribute__ ((aligned(64)));
- };
-
-@@ -193,10 +195,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
- #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
- /* flag bit 6 is available */
- #define TIF_32BIT 7 /* 32-bit binary */
--/* flag bit 8 is available */
-+#define TIF_GRSEC_SETXID 8 /* update credentials on syscall entry/exit */
- #define TIF_SECCOMP 9 /* secure computing */
- #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
- #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
-+
- /* NOTE: Thread flags >= 12 should be ones we have no interest
- * in using in assembly, else we can't use the mask as
- * an immediate value in instructions such as andcc.
-@@ -215,12 +218,18 @@ register struct thread_info *current_thread_info_reg asm("g6");
- #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
- #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
- #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
-+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
-
- #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
- _TIF_DO_NOTIFY_RESUME_MASK | \
- _TIF_NEED_RESCHED)
- #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
-
-+#define _TIF_WORK_SYSCALL \
-+ (_TIF_SYSCALL_TRACE | _TIF_SECCOMP | _TIF_SYSCALL_AUDIT | \
-+ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
-+
-+
- /*
- * Thread-synchronous status.
- *
-diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
-index 0167d26..9acd8ed 100644
---- a/arch/sparc/include/asm/uaccess.h
-+++ b/arch/sparc/include/asm/uaccess.h
-@@ -1,5 +1,13 @@
- #ifndef ___ASM_SPARC_UACCESS_H
- #define ___ASM_SPARC_UACCESS_H
-+
-+#ifdef __KERNEL__
-+#ifndef __ASSEMBLY__
-+#include <linux/types.h>
-+extern void check_object_size(const void *ptr, unsigned long n, bool to);
-+#endif
-+#endif
-+
- #if defined(__sparc__) && defined(__arch64__)
- #include <asm/uaccess_64.h>
- #else
-diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
-index 53a28dd..50c38c3 100644
---- a/arch/sparc/include/asm/uaccess_32.h
-+++ b/arch/sparc/include/asm/uaccess_32.h
-@@ -250,27 +250,46 @@ extern unsigned long __copy_user(void __user *to, const void __user *from, unsig
-
- static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
- {
-- if (n && __access_ok((unsigned long) to, n))
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (n && __access_ok((unsigned long) to, n)) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
- return __copy_user(to, (__force void __user *) from, n);
-- else
-+ } else
- return n;
- }
-
- static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
-+
- return __copy_user(to, (__force void __user *) from, n);
- }
-
- static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-- if (n && __access_ok((unsigned long) from, n))
-+ if ((long)n < 0)
-+ return n;
-+
-+ if (n && __access_ok((unsigned long) from, n)) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
- return __copy_user((__force void __user *) to, from, n);
-- else
-+ } else
- return n;
- }
-
- static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- return __copy_user((__force void __user *) to, from, n);
- }
-
-diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
-index 7c831d8..d440ca7 100644
---- a/arch/sparc/include/asm/uaccess_64.h
-+++ b/arch/sparc/include/asm/uaccess_64.h
-@@ -10,6 +10,7 @@
- #include <linux/compiler.h>
- #include <linux/string.h>
- #include <linux/thread_info.h>
-+#include <linux/kernel.h>
- #include <asm/asi.h>
- #include <asm/spitfire.h>
- #include <asm-generic/uaccess-unaligned.h>
-@@ -214,8 +215,15 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
- static inline unsigned long __must_check
- copy_from_user(void *to, const void __user *from, unsigned long size)
- {
-- unsigned long ret = ___copy_from_user(to, from, size);
-+ unsigned long ret;
-
-+ if ((long)size < 0 || size > INT_MAX)
-+ return size;
-+
-+ if (!__builtin_constant_p(size))
-+ check_object_size(to, size, false);
-+
-+ ret = ___copy_from_user(to, from, size);
- if (unlikely(ret))
- ret = copy_from_user_fixup(to, from, size);
-
-@@ -231,8 +239,15 @@ extern unsigned long copy_to_user_fixup(void __user *to, const void *from,
- static inline unsigned long __must_check
- copy_to_user(void __user *to, const void *from, unsigned long size)
- {
-- unsigned long ret = ___copy_to_user(to, from, size);
-+ unsigned long ret;
-
-+ if ((long)size < 0 || size > INT_MAX)
-+ return size;
-+
-+ if (!__builtin_constant_p(size))
-+ check_object_size(from, size, true);
-+
-+ ret = ___copy_to_user(to, from, size);
- if (unlikely(ret))
- ret = copy_to_user_fixup(to, from, size);
- return ret;
-diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
-index 6cf591b..b49e65a 100644
---- a/arch/sparc/kernel/Makefile
-+++ b/arch/sparc/kernel/Makefile
-@@ -3,7 +3,7 @@
- #
-
- asflags-y := -ansi
--ccflags-y := -Werror
-+#ccflags-y := -Werror
-
- extra-y := head_$(BITS).o
-
-diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
-index cb36e82..1c1462f 100644
---- a/arch/sparc/kernel/process_32.c
-+++ b/arch/sparc/kernel/process_32.c
-@@ -126,14 +126,14 @@ void show_regs(struct pt_regs *r)
-
- printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
- r->psr, r->pc, r->npc, r->y, print_tainted());
-- printk("PC: <%pS>\n", (void *) r->pc);
-+ printk("PC: <%pA>\n", (void *) r->pc);
- printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
- r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3],
- r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]);
- printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
- r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11],
- r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]);
-- printk("RPC: <%pS>\n", (void *) r->u_regs[15]);
-+ printk("RPC: <%pA>\n", (void *) r->u_regs[15]);
-
- printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
- rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3],
-@@ -168,7 +168,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
- rw = (struct reg_window32 *) fp;
- pc = rw->ins[7];
- printk("[%08lx : ", pc);
-- printk("%pS ] ", (void *) pc);
-+ printk("%pA ] ", (void *) pc);
- fp = rw->ins[6];
- } while (++count < 16);
- printk("\n");
-diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
-index aff0c72..9067b39 100644
---- a/arch/sparc/kernel/process_64.c
-+++ b/arch/sparc/kernel/process_64.c
-@@ -179,14 +179,14 @@ static void show_regwindow(struct pt_regs *regs)
- printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n",
- rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]);
- if (regs->tstate & TSTATE_PRIV)
-- printk("I7: <%pS>\n", (void *) rwk->ins[7]);
-+ printk("I7: <%pA>\n", (void *) rwk->ins[7]);
- }
-
- void show_regs(struct pt_regs *regs)
- {
- printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
- regs->tpc, regs->tnpc, regs->y, print_tainted());
-- printk("TPC: <%pS>\n", (void *) regs->tpc);
-+ printk("TPC: <%pA>\n", (void *) regs->tpc);
- printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n",
- regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
- regs->u_regs[3]);
-@@ -199,7 +199,7 @@ void show_regs(struct pt_regs *regs)
- printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n",
- regs->u_regs[12], regs->u_regs[13], regs->u_regs[14],
- regs->u_regs[15]);
-- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]);
-+ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]);
- show_regwindow(regs);
- show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]);
- }
-@@ -284,7 +284,7 @@ void arch_trigger_all_cpu_backtrace(void)
- ((tp && tp->task) ? tp->task->pid : -1));
-
- if (gp->tstate & TSTATE_PRIV) {
-- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n",
-+ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n",
- (void *) gp->tpc,
- (void *) gp->o7,
- (void *) gp->i7,
-diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
-index 484daba..0674139 100644
---- a/arch/sparc/kernel/ptrace_64.c
-+++ b/arch/sparc/kernel/ptrace_64.c
-@@ -1057,6 +1057,10 @@ long arch_ptrace(struct task_struct *child, long request,
- return ret;
- }
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern void gr_delayed_cred_worker(void);
-+#endif
-+
- asmlinkage int syscall_trace_enter(struct pt_regs *regs)
- {
- int ret = 0;
-@@ -1064,6 +1068,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
- /* do the secure computing check first */
- secure_computing_strict(regs->u_regs[UREG_G1]);
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- if (test_thread_flag(TIF_SYSCALL_TRACE))
- ret = tracehook_report_syscall_entry(regs);
-
-@@ -1084,6 +1093,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
-
- asmlinkage void syscall_trace_leave(struct pt_regs *regs)
- {
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- audit_syscall_exit(regs);
-
- if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
-diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
-index 0c9b31b..7cb7aee 100644
---- a/arch/sparc/kernel/sys_sparc_32.c
-+++ b/arch/sparc/kernel/sys_sparc_32.c
-@@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- if (len > TASK_SIZE - PAGE_SIZE)
- return -ENOMEM;
- if (!addr)
-- addr = TASK_UNMAPPED_BASE;
-+ addr = current->mm->mmap_base;
-
- if (flags & MAP_SHARED)
- addr = COLOUR_ALIGN(addr);
-@@ -65,7 +65,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- /* At this point: (!vmm || addr < vmm->vm_end). */
- if (TASK_SIZE - PAGE_SIZE - len < addr)
- return -ENOMEM;
-- if (!vmm || addr + len <= vmm->vm_start)
-+ if (check_heap_stack_gap(vmm, addr, len))
- return addr;
- addr = vmm->vm_end;
- if (flags & MAP_SHARED)
-diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
-index 275f74f..81bf5b8 100644
---- a/arch/sparc/kernel/sys_sparc_64.c
-+++ b/arch/sparc/kernel/sys_sparc_64.c
-@@ -124,7 +124,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- /* We do not accept a shared mapping if it would violate
- * cache aliasing constraints.
- */
-- if ((flags & MAP_SHARED) &&
-+ if ((filp || (flags & MAP_SHARED)) &&
- ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
- return -EINVAL;
- return addr;
-@@ -139,6 +139,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- if (filp || (flags & MAP_SHARED))
- do_color_align = 1;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- if (do_color_align)
- addr = COLOUR_ALIGN(addr, pgoff);
-@@ -146,15 +150,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (task_size - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
-
- if (len > mm->cached_hole_size) {
-- start_addr = addr = mm->free_area_cache;
-+ start_addr = addr = mm->free_area_cache;
- } else {
-- start_addr = addr = TASK_UNMAPPED_BASE;
-+ start_addr = addr = mm->mmap_base;
- mm->cached_hole_size = 0;
- }
-
-@@ -174,14 +177,14 @@ full_search:
- vma = find_vma(mm, VA_EXCLUDE_END);
- }
- if (unlikely(task_size < addr)) {
-- if (start_addr != TASK_UNMAPPED_BASE) {
-- start_addr = addr = TASK_UNMAPPED_BASE;
-+ if (start_addr != mm->mmap_base) {
-+ start_addr = addr = mm->mmap_base;
- mm->cached_hole_size = 0;
- goto full_search;
- }
- return -ENOMEM;
- }
-- if (likely(!vma || addr + len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -215,7 +218,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- /* We do not accept a shared mapping if it would violate
- * cache aliasing constraints.
- */
-- if ((flags & MAP_SHARED) &&
-+ if ((filp || (flags & MAP_SHARED)) &&
- ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
- return -EINVAL;
- return addr;
-@@ -236,8 +239,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- addr = PAGE_ALIGN(addr);
-
- vma = find_vma(mm, addr);
-- if (task_size - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
-
-@@ -258,7 +260,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- /* make sure it can fit in the remaining address space */
- if (likely(addr > len)) {
- vma = find_vma(mm, addr-len);
-- if (!vma || addr <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr - len, len)) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr-len);
- }
-@@ -267,18 +269,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- if (unlikely(mm->mmap_base < len))
- goto bottomup;
-
-- addr = mm->mmap_base-len;
-- if (do_color_align)
-- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
-+ addr = mm->mmap_base - len;
-
- do {
-+ if (do_color_align)
-+ addr = COLOUR_ALIGN_DOWN(addr, pgoff);
- /*
- * Lookup failure means no vma is above this address,
- * else if new region fits below vma->vm_start,
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (likely(!vma || addr+len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr);
- }
-@@ -288,10 +290,8 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = vma->vm_start-len;
-- if (do_color_align)
-- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
-- } while (likely(len < vma->vm_start));
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- bottomup:
- /*
-@@ -390,6 +390,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- gap == RLIM_INFINITY ||
- sysctl_legacy_va_layout) {
- mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
-@@ -402,6 +408,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
- gap = (task_size / 6 * 5);
-
- mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor);
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
-index 1d7e274..b39c527 100644
---- a/arch/sparc/kernel/syscalls.S
-+++ b/arch/sparc/kernel/syscalls.S
-@@ -62,7 +62,7 @@ sys32_rt_sigreturn:
- #endif
- .align 32
- 1: ldx [%g6 + TI_FLAGS], %l5
-- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
-+ andcc %l5, _TIF_WORK_SYSCALL, %g0
- be,pt %icc, rtrap
- nop
- call syscall_trace_leave
-@@ -179,7 +179,7 @@ linux_sparc_syscall32:
-
- srl %i5, 0, %o5 ! IEU1
- srl %i2, 0, %o2 ! IEU0 Group
-- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
-+ andcc %l0, _TIF_WORK_SYSCALL, %g0
- bne,pn %icc, linux_syscall_trace32 ! CTI
- mov %i0, %l5 ! IEU1
- call %l7 ! CTI Group brk forced
-@@ -202,7 +202,7 @@ linux_sparc_syscall:
-
- mov %i3, %o3 ! IEU1
- mov %i4, %o4 ! IEU0 Group
-- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
-+ andcc %l0, _TIF_WORK_SYSCALL, %g0
- bne,pn %icc, linux_syscall_trace ! CTI Group
- mov %i0, %l5 ! IEU0
- 2: call %l7 ! CTI Group brk forced
-@@ -226,7 +226,7 @@ ret_sys_call:
-
- cmp %o0, -ERESTART_RESTARTBLOCK
- bgeu,pn %xcc, 1f
-- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
-+ andcc %l0, _TIF_WORK_SYSCALL, %l6
- 80:
- /* System call success, clear Carry condition code. */
- andn %g3, %g2, %g3
-@@ -241,7 +241,7 @@ ret_sys_call:
- /* System call failure, set Carry condition code.
- * Also, get abs(errno) to return to the process.
- */
-- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
-+ andcc %l0, _TIF_WORK_SYSCALL, %l6
- sub %g0, %o0, %o0
- or %g3, %g2, %g3
- stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
-diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
-index a5785ea..405c5f7 100644
---- a/arch/sparc/kernel/traps_32.c
-+++ b/arch/sparc/kernel/traps_32.c
-@@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc)
- #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
- #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
-
-+extern void gr_handle_kernel_exploit(void);
-+
- void die_if_kernel(char *str, struct pt_regs *regs)
- {
- static int die_counter;
-@@ -76,15 +78,17 @@ void die_if_kernel(char *str, struct pt_regs *regs)
- count++ < 30 &&
- (((unsigned long) rw) >= PAGE_OFFSET) &&
- !(((unsigned long) rw) & 0x7)) {
-- printk("Caller[%08lx]: %pS\n", rw->ins[7],
-+ printk("Caller[%08lx]: %pA\n", rw->ins[7],
- (void *) rw->ins[7]);
- rw = (struct reg_window32 *)rw->ins[6];
- }
- }
- printk("Instruction DUMP:");
- instruction_dump ((unsigned long *) regs->pc);
-- if(regs->psr & PSR_PS)
-+ if(regs->psr & PSR_PS) {
-+ gr_handle_kernel_exploit();
- do_exit(SIGKILL);
-+ }
- do_exit(SIGSEGV);
- }
-
-diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
-index 3b05e66..6ea2917 100644
---- a/arch/sparc/kernel/traps_64.c
-+++ b/arch/sparc/kernel/traps_64.c
-@@ -75,7 +75,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
- i + 1,
- p->trapstack[i].tstate, p->trapstack[i].tpc,
- p->trapstack[i].tnpc, p->trapstack[i].tt);
-- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc);
-+ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc);
- }
- }
-
-@@ -95,6 +95,12 @@ void bad_trap(struct pt_regs *regs, long lvl)
-
- lvl -= 0x100;
- if (regs->tstate & TSTATE_PRIV) {
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ if (lvl == 6)
-+ pax_report_refcount_overflow(regs);
-+#endif
-+
- sprintf(buffer, "Kernel bad sw trap %lx", lvl);
- die_if_kernel(buffer, regs);
- }
-@@ -113,11 +119,16 @@ void bad_trap(struct pt_regs *regs, long lvl)
- void bad_trap_tl1(struct pt_regs *regs, long lvl)
- {
- char buffer[32];
--
-+
- if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs,
- 0, lvl, SIGTRAP) == NOTIFY_STOP)
- return;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+ if (lvl == 6)
-+ pax_report_refcount_overflow(regs);
-+#endif
-+
- dump_tl1_traplog((struct tl1_traplog *)(regs + 1));
-
- sprintf (buffer, "Bad trap %lx at tl>0", lvl);
-@@ -1141,7 +1152,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
- regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
- printk("%s" "ERROR(%d): ",
- (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id());
-- printk("TPC<%pS>\n", (void *) regs->tpc);
-+ printk("TPC<%pA>\n", (void *) regs->tpc);
- printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n",
- (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
- (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,
-@@ -1748,7 +1759,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
- smp_processor_id(),
- (type & 0x1) ? 'I' : 'D',
- regs->tpc);
-- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc);
-+ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc);
- panic("Irrecoverable Cheetah+ parity error.");
- }
-
-@@ -1756,7 +1767,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
- smp_processor_id(),
- (type & 0x1) ? 'I' : 'D',
- regs->tpc);
-- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc);
-+ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc);
- }
-
- struct sun4v_error_entry {
-@@ -1963,9 +1974,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
-
- printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
- regs->tpc, tl);
-- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc);
-+ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc);
- printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
-- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n",
-+ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n",
- (void *) regs->u_regs[UREG_I7]);
- printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
- "pte[%lx] error[%lx]\n",
-@@ -1987,9 +1998,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
-
- printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
- regs->tpc, tl);
-- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc);
-+ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc);
- printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
-- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n",
-+ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n",
- (void *) regs->u_regs[UREG_I7]);
- printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
- "pte[%lx] error[%lx]\n",
-@@ -2195,13 +2206,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
- fp = (unsigned long)sf->fp + STACK_BIAS;
- }
-
-- printk(" [%016lx] %pS\n", pc, (void *) pc);
-+ printk(" [%016lx] %pA\n", pc, (void *) pc);
- #ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if ((pc + 8UL) == (unsigned long) &return_to_handler) {
- int index = tsk->curr_ret_stack;
- if (tsk->ret_stack && index >= graph) {
- pc = tsk->ret_stack[index - graph].ret;
-- printk(" [%016lx] %pS\n", pc, (void *) pc);
-+ printk(" [%016lx] %pA\n", pc, (void *) pc);
- graph++;
- }
- }
-@@ -2226,6 +2237,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
- return (struct reg_window *) (fp + STACK_BIAS);
- }
-
-+extern void gr_handle_kernel_exploit(void);
-+
- void die_if_kernel(char *str, struct pt_regs *regs)
- {
- static int die_counter;
-@@ -2254,7 +2267,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
- while (rw &&
- count++ < 30 &&
- kstack_valid(tp, (unsigned long) rw)) {
-- printk("Caller[%016lx]: %pS\n", rw->ins[7],
-+ printk("Caller[%016lx]: %pA\n", rw->ins[7],
- (void *) rw->ins[7]);
-
- rw = kernel_stack_up(rw);
-@@ -2267,8 +2280,10 @@ void die_if_kernel(char *str, struct pt_regs *regs)
- }
- user_instruction_dump ((unsigned int __user *) regs->tpc);
- }
-- if (regs->tstate & TSTATE_PRIV)
-+ if (regs->tstate & TSTATE_PRIV) {
-+ gr_handle_kernel_exploit();
- do_exit(SIGKILL);
-+ }
- do_exit(SIGSEGV);
- }
- EXPORT_SYMBOL(die_if_kernel);
-diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
-index f81d038..e7a4680 100644
---- a/arch/sparc/kernel/unaligned_64.c
-+++ b/arch/sparc/kernel/unaligned_64.c
-@@ -278,7 +278,7 @@ static void log_unaligned(struct pt_regs *regs)
- static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
-
- if (__ratelimit(&ratelimit)) {
-- printk("Kernel unaligned access at TPC[%lx] %pS\n",
-+ printk("Kernel unaligned access at TPC[%lx] %pA\n",
- regs->tpc, (void *) regs->tpc);
- }
- }
-diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
-index dff4096..bd9a388 100644
---- a/arch/sparc/lib/Makefile
-+++ b/arch/sparc/lib/Makefile
-@@ -2,7 +2,7 @@
- #
-
- asflags-y := -ansi -DST_DIV0=0x02
--ccflags-y := -Werror
-+#ccflags-y := -Werror
-
- lib-$(CONFIG_SPARC32) += ashrdi3.o
- lib-$(CONFIG_SPARC32) += memcpy.o memset.o
-diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S
-index 4d502da..527c48d 100644
---- a/arch/sparc/lib/atomic_64.S
-+++ b/arch/sparc/lib/atomic_64.S
-@@ -17,7 +17,12 @@
- ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: lduw [%o1], %g1
-- add %g1, %o0, %g7
-+ addcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %icc, 6
-+#endif
-+
- cas [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %icc, BACKOFF_LABEL(2f, 1b)
-@@ -27,10 +32,28 @@ ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic_add)
-
-+ENTRY(atomic_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: lduw [%o1], %g1
-+ add %g1, %o0, %g7
-+ cas [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %icc, 2f
-+ nop
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic_add_unchecked)
-+
- ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: lduw [%o1], %g1
-- sub %g1, %o0, %g7
-+ subcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %icc, 6
-+#endif
-+
- cas [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %icc, BACKOFF_LABEL(2f, 1b)
-@@ -40,10 +63,28 @@ ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic_sub)
-
-+ENTRY(atomic_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: lduw [%o1], %g1
-+ sub %g1, %o0, %g7
-+ cas [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %icc, 2f
-+ nop
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic_sub_unchecked)
-+
- ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: lduw [%o1], %g1
-- add %g1, %o0, %g7
-+ addcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %icc, 6
-+#endif
-+
- cas [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %icc, BACKOFF_LABEL(2f, 1b)
-@@ -53,10 +94,29 @@ ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic_add_ret)
-
-+ENTRY(atomic_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: lduw [%o1], %g1
-+ addcc %g1, %o0, %g7
-+ cas [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %icc, 2f
-+ add %g7, %o0, %g7
-+ sra %g7, 0, %o0
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic_add_ret_unchecked)
-+
- ENTRY(atomic_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: lduw [%o1], %g1
-- sub %g1, %o0, %g7
-+ subcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %icc, 6
-+#endif
-+
- cas [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %icc, BACKOFF_LABEL(2f, 1b)
-@@ -69,7 +129,12 @@ ENDPROC(atomic_sub_ret)
- ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: ldx [%o1], %g1
-- add %g1, %o0, %g7
-+ addcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %xcc, 6
-+#endif
-+
- casx [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
-@@ -79,10 +144,28 @@ ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic64_add)
-
-+ENTRY(atomic64_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: ldx [%o1], %g1
-+ addcc %g1, %o0, %g7
-+ casx [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %xcc, 2f
-+ nop
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic64_add_unchecked)
-+
- ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: ldx [%o1], %g1
-- sub %g1, %o0, %g7
-+ subcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %xcc, 6
-+#endif
-+
- casx [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
-@@ -92,10 +175,28 @@ ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic64_sub)
-
-+ENTRY(atomic64_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: ldx [%o1], %g1
-+ subcc %g1, %o0, %g7
-+ casx [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %xcc, 2f
-+ nop
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic64_sub_unchecked)
-+
- ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: ldx [%o1], %g1
-- add %g1, %o0, %g7
-+ addcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %xcc, 6
-+#endif
-+
- casx [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
-@@ -105,10 +206,29 @@ ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
- 2: BACKOFF_SPIN(%o2, %o3, 1b)
- ENDPROC(atomic64_add_ret)
-
-+ENTRY(atomic64_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
-+ BACKOFF_SETUP(%o2)
-+1: ldx [%o1], %g1
-+ addcc %g1, %o0, %g7
-+ casx [%o1], %g1, %g7
-+ cmp %g1, %g7
-+ bne,pn %xcc, 2f
-+ add %g7, %o0, %g7
-+ mov %g7, %o0
-+ retl
-+ nop
-+2: BACKOFF_SPIN(%o2, %o3, 1b)
-+ENDPROC(atomic64_add_ret_unchecked)
-+
- ENTRY(atomic64_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */
- BACKOFF_SETUP(%o2)
- 1: ldx [%o1], %g1
-- sub %g1, %o0, %g7
-+ subcc %g1, %o0, %g7
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ tvs %xcc, 6
-+#endif
-+
- casx [%o1], %g1, %g7
- cmp %g1, %g7
- bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
-diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
-index 3b31218..345c609 100644
---- a/arch/sparc/lib/ksyms.c
-+++ b/arch/sparc/lib/ksyms.c
-@@ -109,12 +109,18 @@ EXPORT_SYMBOL(__downgrade_write);
-
- /* Atomic counter implementation. */
- EXPORT_SYMBOL(atomic_add);
-+EXPORT_SYMBOL(atomic_add_unchecked);
- EXPORT_SYMBOL(atomic_add_ret);
-+EXPORT_SYMBOL(atomic_add_ret_unchecked);
- EXPORT_SYMBOL(atomic_sub);
-+EXPORT_SYMBOL(atomic_sub_unchecked);
- EXPORT_SYMBOL(atomic_sub_ret);
- EXPORT_SYMBOL(atomic64_add);
-+EXPORT_SYMBOL(atomic64_add_unchecked);
- EXPORT_SYMBOL(atomic64_add_ret);
-+EXPORT_SYMBOL(atomic64_add_ret_unchecked);
- EXPORT_SYMBOL(atomic64_sub);
-+EXPORT_SYMBOL(atomic64_sub_unchecked);
- EXPORT_SYMBOL(atomic64_sub_ret);
-
- /* Atomic bit operations. */
-diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
-index 30c3ecc..736f015 100644
---- a/arch/sparc/mm/Makefile
-+++ b/arch/sparc/mm/Makefile
-@@ -2,7 +2,7 @@
- #
-
- asflags-y := -ansi
--ccflags-y := -Werror
-+#ccflags-y := -Werror
-
- obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o
- obj-y += fault_$(BITS).o
-diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
-index f46cf6b..cc0666bae 100644
---- a/arch/sparc/mm/fault_32.c
-+++ b/arch/sparc/mm/fault_32.c
-@@ -21,6 +21,9 @@
- #include <linux/perf_event.h>
- #include <linux/interrupt.h>
- #include <linux/kdebug.h>
-+#include <linux/slab.h>
-+#include <linux/pagemap.h>
-+#include <linux/compiler.h>
-
- #include <asm/page.h>
- #include <asm/pgtable.h>
-@@ -177,6 +180,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
- return safe_compute_effective_address(regs, insn);
- }
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+#ifdef CONFIG_PAX_DLRESOLVE
-+static void pax_emuplt_close(struct vm_area_struct *vma)
-+{
-+ vma->vm_mm->call_dl_resolve = 0UL;
-+}
-+
-+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-+{
-+ unsigned int *kaddr;
-+
-+ vmf->page = alloc_page(GFP_HIGHUSER);
-+ if (!vmf->page)
-+ return VM_FAULT_OOM;
-+
-+ kaddr = kmap(vmf->page);
-+ memset(kaddr, 0, PAGE_SIZE);
-+ kaddr[0] = 0x9DE3BFA8U; /* save */
-+ flush_dcache_page(vmf->page);
-+ kunmap(vmf->page);
-+ return VM_FAULT_MAJOR;
-+}
-+
-+static const struct vm_operations_struct pax_vm_ops = {
-+ .close = pax_emuplt_close,
-+ .fault = pax_emuplt_fault
-+};
-+
-+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
-+{
-+ int ret;
-+
-+ INIT_LIST_HEAD(&vma->anon_vma_chain);
-+ vma->vm_mm = current->mm;
-+ vma->vm_start = addr;
-+ vma->vm_end = addr + PAGE_SIZE;
-+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
-+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-+ vma->vm_ops = &pax_vm_ops;
-+
-+ ret = insert_vm_struct(current->mm, vma);
-+ if (ret)
-+ return ret;
-+
-+ ++current->mm->total_vm;
-+ return 0;
-+}
-+#endif
-+
-+/*
-+ * PaX: decide what to do with offenders (regs->pc = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ * 2 when patched PLT trampoline was detected
-+ * 3 when unpatched PLT trampoline was detected
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ int err;
-+
-+ do { /* PaX: patched PLT emulation #1 */
-+ unsigned int sethi1, sethi2, jmpl;
-+
-+ err = get_user(sethi1, (unsigned int *)regs->pc);
-+ err |= get_user(sethi2, (unsigned int *)(regs->pc+4));
-+ err |= get_user(jmpl, (unsigned int *)(regs->pc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
-+ (sethi2 & 0xFFC00000U) == 0x03000000U &&
-+ (jmpl & 0xFFFFE000U) == 0x81C06000U)
-+ {
-+ unsigned int addr;
-+
-+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
-+ addr = regs->u_regs[UREG_G1];
-+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
-+ regs->pc = addr;
-+ regs->npc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #2 */
-+ unsigned int ba;
-+
-+ err = get_user(ba, (unsigned int *)regs->pc);
-+
-+ if (err)
-+ break;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
-+ unsigned int addr;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U)
-+ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
-+ else
-+ addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
-+ regs->pc = addr;
-+ regs->npc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #3 */
-+ unsigned int sethi, bajmpl, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->pc);
-+ err |= get_user(bajmpl, (unsigned int *)(regs->pc+4));
-+ err |= get_user(nop, (unsigned int *)(regs->pc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned int addr;
-+
-+ addr = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G1] = addr;
-+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
-+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
-+ else
-+ addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
-+ regs->pc = addr;
-+ regs->npc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: unpatched PLT emulation step 1 */
-+ unsigned int sethi, ba, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->pc);
-+ err |= get_user(ba, (unsigned int *)(regs->pc+4));
-+ err |= get_user(nop, (unsigned int *)(regs->pc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned int addr, save, call;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U)
-+ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
-+ else
-+ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
-+
-+ err = get_user(save, (unsigned int *)addr);
-+ err |= get_user(call, (unsigned int *)(addr+4));
-+ err |= get_user(nop, (unsigned int *)(addr+8));
-+ if (err)
-+ break;
-+
-+#ifdef CONFIG_PAX_DLRESOLVE
-+ if (save == 0x9DE3BFA8U &&
-+ (call & 0xC0000000U) == 0x40000000U &&
-+ nop == 0x01000000U)
-+ {
-+ struct vm_area_struct *vma;
-+ unsigned long call_dl_resolve;
-+
-+ down_read(¤t->mm->mmap_sem);
-+ call_dl_resolve = current->mm->call_dl_resolve;
-+ up_read(¤t->mm->mmap_sem);
-+ if (likely(call_dl_resolve))
-+ goto emulate;
-+
-+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-+
-+ down_write(¤t->mm->mmap_sem);
-+ if (current->mm->call_dl_resolve) {
-+ call_dl_resolve = current->mm->call_dl_resolve;
-+ up_write(¤t->mm->mmap_sem);
-+ if (vma)
-+ kmem_cache_free(vm_area_cachep, vma);
-+ goto emulate;
-+ }
-+
-+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
-+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
-+ up_write(¤t->mm->mmap_sem);
-+ if (vma)
-+ kmem_cache_free(vm_area_cachep, vma);
-+ return 1;
-+ }
-+
-+ if (pax_insert_vma(vma, call_dl_resolve)) {
-+ up_write(¤t->mm->mmap_sem);
-+ kmem_cache_free(vm_area_cachep, vma);
-+ return 1;
-+ }
-+
-+ current->mm->call_dl_resolve = call_dl_resolve;
-+ up_write(¤t->mm->mmap_sem);
-+
-+emulate:
-+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
-+ regs->pc = call_dl_resolve;
-+ regs->npc = addr+4;
-+ return 3;
-+ }
-+#endif
-+
-+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
-+ if ((save & 0xFFC00000U) == 0x05000000U &&
-+ (call & 0xFFFFE000U) == 0x85C0A000U &&
-+ nop == 0x01000000U)
-+ {
-+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G2] = addr + 4;
-+ addr = (save & 0x003FFFFFU) << 10;
-+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
-+ regs->pc = addr;
-+ regs->npc = addr+4;
-+ return 3;
-+ }
-+ }
-+ } while (0);
-+
-+ do { /* PaX: unpatched PLT emulation step 2 */
-+ unsigned int save, call, nop;
-+
-+ err = get_user(save, (unsigned int *)(regs->pc-4));
-+ err |= get_user(call, (unsigned int *)regs->pc);
-+ err |= get_user(nop, (unsigned int *)(regs->pc+4));
-+ if (err)
-+ break;
-+
-+ if (save == 0x9DE3BFA8U &&
-+ (call & 0xC0000000U) == 0x40000000U &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2);
-+
-+ regs->u_regs[UREG_RETPC] = regs->pc;
-+ regs->pc = dl_resolve;
-+ regs->npc = dl_resolve+4;
-+ return 3;
-+ }
-+ } while (0);
-+#endif
-+
-+ return 1;
-+}
-+
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 8; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
- int text_fault)
- {
-@@ -248,6 +522,24 @@ good_area:
- if (!(vma->vm_flags & VM_WRITE))
- goto bad_area;
- } else {
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) {
-+ up_read(&mm->mmap_sem);
-+ switch (pax_handle_fetch_fault(regs)) {
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ case 2:
-+ case 3:
-+ return;
-+#endif
-+
-+ }
-+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]);
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- /* Allow reads even for write-only mappings */
- if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
- goto bad_area;
-diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
-index 1fe0429..8dd5dd5 100644
---- a/arch/sparc/mm/fault_64.c
-+++ b/arch/sparc/mm/fault_64.c
-@@ -21,6 +21,9 @@
- #include <linux/kprobes.h>
- #include <linux/kdebug.h>
- #include <linux/percpu.h>
-+#include <linux/slab.h>
-+#include <linux/pagemap.h>
-+#include <linux/compiler.h>
-
- #include <asm/page.h>
- #include <asm/pgtable.h>
-@@ -74,7 +77,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
- printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
- regs->tpc);
- printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
-- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]);
-+ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]);
- printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
- dump_stack();
- unhandled_fault(regs->tpc, current, regs);
-@@ -272,6 +275,466 @@ static void noinline __kprobes bogus_32bit_fault_address(struct pt_regs *regs,
- show_regs(regs);
- }
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+#ifdef CONFIG_PAX_DLRESOLVE
-+static void pax_emuplt_close(struct vm_area_struct *vma)
-+{
-+ vma->vm_mm->call_dl_resolve = 0UL;
-+}
-+
-+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-+{
-+ unsigned int *kaddr;
-+
-+ vmf->page = alloc_page(GFP_HIGHUSER);
-+ if (!vmf->page)
-+ return VM_FAULT_OOM;
-+
-+ kaddr = kmap(vmf->page);
-+ memset(kaddr, 0, PAGE_SIZE);
-+ kaddr[0] = 0x9DE3BFA8U; /* save */
-+ flush_dcache_page(vmf->page);
-+ kunmap(vmf->page);
-+ return VM_FAULT_MAJOR;
-+}
-+
-+static const struct vm_operations_struct pax_vm_ops = {
-+ .close = pax_emuplt_close,
-+ .fault = pax_emuplt_fault
-+};
-+
-+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
-+{
-+ int ret;
-+
-+ INIT_LIST_HEAD(&vma->anon_vma_chain);
-+ vma->vm_mm = current->mm;
-+ vma->vm_start = addr;
-+ vma->vm_end = addr + PAGE_SIZE;
-+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
-+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-+ vma->vm_ops = &pax_vm_ops;
-+
-+ ret = insert_vm_struct(current->mm, vma);
-+ if (ret)
-+ return ret;
-+
-+ ++current->mm->total_vm;
-+ return 0;
-+}
-+#endif
-+
-+/*
-+ * PaX: decide what to do with offenders (regs->tpc = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ * 2 when patched PLT trampoline was detected
-+ * 3 when unpatched PLT trampoline was detected
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ int err;
-+
-+ do { /* PaX: patched PLT emulation #1 */
-+ unsigned int sethi1, sethi2, jmpl;
-+
-+ err = get_user(sethi1, (unsigned int *)regs->tpc);
-+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
-+ (sethi2 & 0xFFC00000U) == 0x03000000U &&
-+ (jmpl & 0xFFFFE000U) == 0x81C06000U)
-+ {
-+ unsigned long addr;
-+
-+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
-+ addr = regs->u_regs[UREG_G1];
-+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #2 */
-+ unsigned int ba;
-+
-+ err = get_user(ba, (unsigned int *)regs->tpc);
-+
-+ if (err)
-+ break;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
-+ unsigned long addr;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U)
-+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
-+ else
-+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #3 */
-+ unsigned int sethi, bajmpl, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long addr;
-+
-+ addr = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G1] = addr;
-+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
-+ addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
-+ else
-+ addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #4 */
-+ unsigned int sethi, mov1, call, mov2;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(mov1, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(call, (unsigned int *)(regs->tpc+8));
-+ err |= get_user(mov2, (unsigned int *)(regs->tpc+12));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ mov1 == 0x8210000FU &&
-+ (call & 0xC0000000U) == 0x40000000U &&
-+ mov2 == 0x9E100001U)
-+ {
-+ unsigned long addr;
-+
-+ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC];
-+ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #5 */
-+ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
-+ err |= get_user(or1, (unsigned int *)(regs->tpc+12));
-+ err |= get_user(or2, (unsigned int *)(regs->tpc+16));
-+ err |= get_user(sllx, (unsigned int *)(regs->tpc+20));
-+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24));
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+28));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ (sethi1 & 0xFFC00000U) == 0x03000000U &&
-+ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
-+ (or1 & 0xFFFFE000U) == 0x82106000U &&
-+ (or2 & 0xFFFFE000U) == 0x8A116000U &&
-+ sllx == 0x83287020U &&
-+ jmpl == 0x81C04005U &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long addr;
-+
-+ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
-+ regs->u_regs[UREG_G1] <<= 32;
-+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
-+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: patched PLT emulation #6 */
-+ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
-+ err |= get_user(sllx, (unsigned int *)(regs->tpc+12));
-+ err |= get_user(or, (unsigned int *)(regs->tpc+16));
-+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20));
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+24));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ (sethi1 & 0xFFC00000U) == 0x03000000U &&
-+ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
-+ sllx == 0x83287020U &&
-+ (or & 0xFFFFE000U) == 0x8A116000U &&
-+ jmpl == 0x81C04005U &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long addr;
-+
-+ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G1] <<= 32;
-+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU);
-+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: unpatched PLT emulation step 1 */
-+ unsigned int sethi, ba, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(ba, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long addr;
-+ unsigned int save, call;
-+ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl;
-+
-+ if ((ba & 0xFFC00000U) == 0x30800000U)
-+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
-+ else
-+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ err = get_user(save, (unsigned int *)addr);
-+ err |= get_user(call, (unsigned int *)(addr+4));
-+ err |= get_user(nop, (unsigned int *)(addr+8));
-+ if (err)
-+ break;
-+
-+#ifdef CONFIG_PAX_DLRESOLVE
-+ if (save == 0x9DE3BFA8U &&
-+ (call & 0xC0000000U) == 0x40000000U &&
-+ nop == 0x01000000U)
-+ {
-+ struct vm_area_struct *vma;
-+ unsigned long call_dl_resolve;
-+
-+ down_read(¤t->mm->mmap_sem);
-+ call_dl_resolve = current->mm->call_dl_resolve;
-+ up_read(¤t->mm->mmap_sem);
-+ if (likely(call_dl_resolve))
-+ goto emulate;
-+
-+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-+
-+ down_write(¤t->mm->mmap_sem);
-+ if (current->mm->call_dl_resolve) {
-+ call_dl_resolve = current->mm->call_dl_resolve;
-+ up_write(¤t->mm->mmap_sem);
-+ if (vma)
-+ kmem_cache_free(vm_area_cachep, vma);
-+ goto emulate;
-+ }
-+
-+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
-+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
-+ up_write(¤t->mm->mmap_sem);
-+ if (vma)
-+ kmem_cache_free(vm_area_cachep, vma);
-+ return 1;
-+ }
-+
-+ if (pax_insert_vma(vma, call_dl_resolve)) {
-+ up_write(¤t->mm->mmap_sem);
-+ kmem_cache_free(vm_area_cachep, vma);
-+ return 1;
-+ }
-+
-+ current->mm->call_dl_resolve = call_dl_resolve;
-+ up_write(¤t->mm->mmap_sem);
-+
-+emulate:
-+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
-+ regs->tpc = call_dl_resolve;
-+ regs->tnpc = addr+4;
-+ return 3;
-+ }
-+#endif
-+
-+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
-+ if ((save & 0xFFC00000U) == 0x05000000U &&
-+ (call & 0xFFFFE000U) == 0x85C0A000U &&
-+ nop == 0x01000000U)
-+ {
-+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G2] = addr + 4;
-+ addr = (save & 0x003FFFFFU) << 10;
-+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 3;
-+ }
-+
-+ /* PaX: 64-bit PLT stub */
-+ err = get_user(sethi1, (unsigned int *)addr);
-+ err |= get_user(sethi2, (unsigned int *)(addr+4));
-+ err |= get_user(or1, (unsigned int *)(addr+8));
-+ err |= get_user(or2, (unsigned int *)(addr+12));
-+ err |= get_user(sllx, (unsigned int *)(addr+16));
-+ err |= get_user(add, (unsigned int *)(addr+20));
-+ err |= get_user(jmpl, (unsigned int *)(addr+24));
-+ err |= get_user(nop, (unsigned int *)(addr+28));
-+ if (err)
-+ break;
-+
-+ if ((sethi1 & 0xFFC00000U) == 0x09000000U &&
-+ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
-+ (or1 & 0xFFFFE000U) == 0x88112000U &&
-+ (or2 & 0xFFFFE000U) == 0x8A116000U &&
-+ sllx == 0x89293020U &&
-+ add == 0x8A010005U &&
-+ jmpl == 0x89C14000U &&
-+ nop == 0x01000000U)
-+ {
-+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
-+ regs->u_regs[UREG_G4] <<= 32;
-+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
-+ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4];
-+ regs->u_regs[UREG_G4] = addr + 24;
-+ addr = regs->u_regs[UREG_G5];
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 3;
-+ }
-+ }
-+ } while (0);
-+
-+#ifdef CONFIG_PAX_DLRESOLVE
-+ do { /* PaX: unpatched PLT emulation step 2 */
-+ unsigned int save, call, nop;
-+
-+ err = get_user(save, (unsigned int *)(regs->tpc-4));
-+ err |= get_user(call, (unsigned int *)regs->tpc);
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+4));
-+ if (err)
-+ break;
-+
-+ if (save == 0x9DE3BFA8U &&
-+ (call & 0xC0000000U) == 0x40000000U &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ dl_resolve &= 0xFFFFFFFFUL;
-+
-+ regs->u_regs[UREG_RETPC] = regs->tpc;
-+ regs->tpc = dl_resolve;
-+ regs->tnpc = dl_resolve+4;
-+ return 3;
-+ }
-+ } while (0);
-+#endif
-+
-+ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */
-+ unsigned int sethi, ba, nop;
-+
-+ err = get_user(sethi, (unsigned int *)regs->tpc);
-+ err |= get_user(ba, (unsigned int *)(regs->tpc+4));
-+ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
-+
-+ if (err)
-+ break;
-+
-+ if ((sethi & 0xFFC00000U) == 0x03000000U &&
-+ (ba & 0xFFF00000U) == 0x30600000U &&
-+ nop == 0x01000000U)
-+ {
-+ unsigned long addr;
-+
-+ addr = (sethi & 0x003FFFFFU) << 10;
-+ regs->u_regs[UREG_G1] = addr;
-+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
-+
-+ if (test_thread_flag(TIF_32BIT))
-+ addr &= 0xFFFFFFFFUL;
-+
-+ regs->tpc = addr;
-+ regs->tnpc = addr+4;
-+ return 2;
-+ }
-+ } while (0);
-+
-+#endif
-+
-+ return 1;
-+}
-+
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ unsigned long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 8; i++) {
-+ unsigned int c;
-+ if (get_user(c, (unsigned int *)pc+i))
-+ printk(KERN_CONT "???????? ");
-+ else
-+ printk(KERN_CONT "%08x ", c);
-+ }
-+ printk("\n");
-+}
-+#endif
-+
- asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
- {
- struct mm_struct *mm = current->mm;
-@@ -343,6 +806,29 @@ retry:
- if (!vma)
- goto bad_area;
-
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ /* PaX: detect ITLB misses on non-exec pages */
-+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address &&
-+ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB))
-+ {
-+ if (address != regs->tpc)
-+ goto good_area;
-+
-+ up_read(&mm->mmap_sem);
-+ switch (pax_handle_fetch_fault(regs)) {
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ case 2:
-+ case 3:
-+ return;
-+#endif
-+
-+ }
-+ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS));
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- /* Pure DTLB misses do not tell us whether the fault causing
- * load/store/atomic was a write or not, it only says that there
- * was no match. So in such a case we (carefully) read the
-diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
-index 07e1453..0a7d9e9 100644
---- a/arch/sparc/mm/hugetlbpage.c
-+++ b/arch/sparc/mm/hugetlbpage.c
-@@ -67,7 +67,7 @@ full_search:
- }
- return -ENOMEM;
- }
-- if (likely(!vma || addr + len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -106,7 +106,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- /* make sure it can fit in the remaining address space */
- if (likely(addr > len)) {
- vma = find_vma(mm, addr-len);
-- if (!vma || addr <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr - len, len)) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr-len);
- }
-@@ -115,16 +115,17 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- if (unlikely(mm->mmap_base < len))
- goto bottomup;
-
-- addr = (mm->mmap_base-len) & HPAGE_MASK;
-+ addr = mm->mmap_base - len;
-
- do {
-+ addr &= HPAGE_MASK;
- /*
- * Lookup failure means no vma is above this address,
- * else if new region fits below vma->vm_start,
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (likely(!vma || addr+len <= vma->vm_start)) {
-+ if (likely(check_heap_stack_gap(vma, addr, len))) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr);
- }
-@@ -134,8 +135,8 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = (vma->vm_start-len) & HPAGE_MASK;
-- } while (likely(len < vma->vm_start));
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- bottomup:
- /*
-@@ -181,8 +182,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
- if (addr) {
- addr = ALIGN(addr, HPAGE_SIZE);
- vma = find_vma(mm, addr);
-- if (task_size - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
- if (mm->get_unmapped_area == arch_get_unmapped_area)
-diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h
-index f4500c6..889656c 100644
---- a/arch/tile/include/asm/atomic_64.h
-+++ b/arch/tile/include/asm/atomic_64.h
-@@ -143,6 +143,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
-
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- /* Atomic dec and inc don't implement barrier, so provide them if needed. */
- #define smp_mb__before_atomic_dec() smp_mb()
- #define smp_mb__after_atomic_dec() smp_mb()
-diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h
-index 392e533..536b092 100644
---- a/arch/tile/include/asm/cache.h
-+++ b/arch/tile/include/asm/cache.h
-@@ -15,11 +15,12 @@
- #ifndef _ASM_TILE_CACHE_H
- #define _ASM_TILE_CACHE_H
-
-+#include <linux/const.h>
- #include <arch/chip.h>
-
- /* bytes per L1 data cache line */
- #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE()
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- /* bytes per L2 cache line */
- #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE()
-diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
-index 9ab078a..d6635c2 100644
---- a/arch/tile/include/asm/uaccess.h
-+++ b/arch/tile/include/asm/uaccess.h
-@@ -403,9 +403,9 @@ static inline unsigned long __must_check copy_from_user(void *to,
- const void __user *from,
- unsigned long n)
- {
-- int sz = __compiletime_object_size(to);
-+ size_t sz = __compiletime_object_size(to);
-
-- if (likely(sz == -1 || sz >= n))
-+ if (likely(sz == (size_t)-1 || sz >= n))
- n = _copy_from_user(to, from, n);
- else
- copy_from_user_overflow();
-diff --git a/arch/um/Makefile b/arch/um/Makefile
-index 0970910..13adb57a 100644
---- a/arch/um/Makefile
-+++ b/arch/um/Makefile
-@@ -62,6 +62,10 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
- $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
- $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include
-
-+ifdef CONSTIFY_PLUGIN
-+USER_CFLAGS += $(CONSTIFY_PLUGIN) -fplugin-arg-constify_plugin-no-constify
-+endif
-+
- #This will adjust *FLAGS accordingly to the platform.
- include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
-
-diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h
-index 19e1bdd..3665b77 100644
---- a/arch/um/include/asm/cache.h
-+++ b/arch/um/include/asm/cache.h
-@@ -1,6 +1,7 @@
- #ifndef __UM_CACHE_H
- #define __UM_CACHE_H
-
-+#include <linux/const.h>
-
- #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
- # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
-@@ -12,6 +13,6 @@
- # define L1_CACHE_SHIFT 5
- #endif
-
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #endif
-diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h
-index 6c03acd..a5e0215 100644
---- a/arch/um/include/asm/kmap_types.h
-+++ b/arch/um/include/asm/kmap_types.h
-@@ -23,6 +23,7 @@ enum km_type {
- KM_IRQ1,
- KM_SOFTIRQ0,
- KM_SOFTIRQ1,
-+ KM_CLEARPAGE,
- KM_TYPE_NR
- };
-
-diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
-index 7cfc3ce..cbd1a58 100644
---- a/arch/um/include/asm/page.h
-+++ b/arch/um/include/asm/page.h
-@@ -14,6 +14,9 @@
- #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
- #define PAGE_MASK (~(PAGE_SIZE-1))
-
-+#define ktla_ktva(addr) (addr)
-+#define ktva_ktla(addr) (addr)
-+
- #ifndef __ASSEMBLY__
-
- struct page;
-diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
-index 0032f92..cd151e0 100644
---- a/arch/um/include/asm/pgtable-3level.h
-+++ b/arch/um/include/asm/pgtable-3level.h
-@@ -58,6 +58,7 @@
- #define pud_present(x) (pud_val(x) & _PAGE_PRESENT)
- #define pud_populate(mm, pud, pmd) \
- set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
-+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
-
- #ifdef CONFIG_64BIT
- #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
-diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
-index ccb9a9d..cc425bb 100644
---- a/arch/um/kernel/process.c
-+++ b/arch/um/kernel/process.c
-@@ -407,22 +407,6 @@ int singlestepping(void * t)
- return 2;
- }
-
--/*
-- * Only x86 and x86_64 have an arch_align_stack().
-- * All other arches have "#define arch_align_stack(x) (x)"
-- * in their asm/system.h
-- * As this is included in UML from asm-um/system-generic.h,
-- * we can use it to behave as the subarch does.
-- */
--#ifndef arch_align_stack
--unsigned long arch_align_stack(unsigned long sp)
--{
-- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
-- sp -= get_random_int() % 8192;
-- return sp & ~0xf;
--}
--#endif
--
- unsigned long get_wchan(struct task_struct *p)
- {
- unsigned long stack_page, sp, ip;
-diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h
-index ad8f795..2c7eec6 100644
---- a/arch/unicore32/include/asm/cache.h
-+++ b/arch/unicore32/include/asm/cache.h
-@@ -12,8 +12,10 @@
- #ifndef __UNICORE_CACHE_H__
- #define __UNICORE_CACHE_H__
-
--#define L1_CACHE_SHIFT (5)
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#include <linux/const.h>
-+
-+#define L1_CACHE_SHIFT 5
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- /*
- * Memory returned by kmalloc() may be used for DMA, so we must make
-diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
-index c70684f..698fa4b 100644
---- a/arch/x86/Kconfig
-+++ b/arch/x86/Kconfig
-@@ -218,7 +218,7 @@ config X86_HT
-
- config X86_32_LAZY_GS
- def_bool y
-- depends on X86_32 && !CC_STACKPROTECTOR
-+ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF
-
- config ARCH_HWEIGHT_CFLAGS
- string
-@@ -1047,7 +1047,7 @@ choice
-
- config NOHIGHMEM
- bool "off"
-- depends on !X86_NUMAQ
-+ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
- ---help---
- Linux can use up to 64 Gigabytes of physical memory on x86 systems.
- However, the address space of 32-bit x86 processors is only 4
-@@ -1084,7 +1084,7 @@ config NOHIGHMEM
-
- config HIGHMEM4G
- bool "4GB"
-- depends on !X86_NUMAQ
-+ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
- ---help---
- Select this if you have a 32-bit processor and between 1 and 4
- gigabytes of physical RAM.
-@@ -1138,7 +1138,7 @@ config PAGE_OFFSET
- hex
- default 0xB0000000 if VMSPLIT_3G_OPT
- default 0x80000000 if VMSPLIT_2G
-- default 0x78000000 if VMSPLIT_2G_OPT
-+ default 0x70000000 if VMSPLIT_2G_OPT
- default 0x40000000 if VMSPLIT_1G
- default 0xC0000000
- depends on X86_32
-@@ -1526,6 +1526,7 @@ config SECCOMP
-
- config CC_STACKPROTECTOR
- bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
-+ depends on X86_64 || !PAX_MEMORY_UDEREF
- ---help---
- This option turns on the -fstack-protector GCC feature. This
- feature puts, at the beginning of functions, a canary value on
-@@ -1583,6 +1584,7 @@ config KEXEC_JUMP
- config PHYSICAL_START
- hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
- default "0x1000000"
-+ range 0x400000 0x40000000
- ---help---
- This gives the physical address where the kernel is loaded.
-
-@@ -1646,6 +1648,7 @@ config X86_NEED_RELOCS
- config PHYSICAL_ALIGN
- hex "Alignment value to which kernel should be aligned" if X86_32
- default "0x1000000"
-+ range 0x400000 0x1000000 if PAX_KERNEXEC
- range 0x2000 0x1000000
- ---help---
- This value puts the alignment restrictions on physical address
-@@ -1677,9 +1680,10 @@ config HOTPLUG_CPU
- Say N if you want to disable CPU hotplug.
-
- config COMPAT_VDSO
-- def_bool y
-+ def_bool n
- prompt "Compat VDSO support"
- depends on X86_32 || IA32_EMULATION
-+ depends on !PAX_NOEXEC && !PAX_MEMORY_UDEREF
- ---help---
- Map the 32-bit VDSO to the predictable old-style address too.
-
-diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
-index 706e12e..62e4feb 100644
---- a/arch/x86/Kconfig.cpu
-+++ b/arch/x86/Kconfig.cpu
-@@ -334,7 +334,7 @@ config X86_PPRO_FENCE
-
- config X86_F00F_BUG
- def_bool y
-- depends on M586MMX || M586TSC || M586 || M486 || M386
-+ depends on (M586MMX || M586TSC || M586 || M486 || M386) && !PAX_KERNEXEC
-
- config X86_INVD_BUG
- def_bool y
-@@ -358,7 +358,7 @@ config X86_POPAD_OK
-
- config X86_ALIGNMENT_16
- def_bool y
-- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
-+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
-
- config X86_INTEL_USERCOPY
- def_bool y
-@@ -404,7 +404,7 @@ config X86_CMPXCHG64
- # generates cmov.
- config X86_CMOV
- def_bool y
-- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
-+ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
-
- config X86_MINIMUM_CPU_FAMILY
- int
-diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
-index e46c214..ab62fd1 100644
---- a/arch/x86/Kconfig.debug
-+++ b/arch/x86/Kconfig.debug
-@@ -84,7 +84,7 @@ config X86_PTDUMP
- config DEBUG_RODATA
- bool "Write protect kernel read-only data structures"
- default y
-- depends on DEBUG_KERNEL
-+ depends on DEBUG_KERNEL && BROKEN
- ---help---
- Mark the kernel read-only data as write-protected in the pagetables,
- in order to catch accidental (and incorrect) writes to such const
-@@ -102,7 +102,7 @@ config DEBUG_RODATA_TEST
-
- config DEBUG_SET_MODULE_RONX
- bool "Set loadable kernel module data as NX and text as RO"
-- depends on MODULES
-+ depends on MODULES && BROKEN
- ---help---
- This option helps catch unintended modifications to loadable
- kernel module's text and read-only data. It also prevents execution
-@@ -275,7 +275,7 @@ config OPTIMIZE_INLINING
-
- config DEBUG_STRICT_USER_COPY_CHECKS
- bool "Strict copy size checks"
-- depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING
-+ depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING && !PAX_SIZE_OVERFLOW
- ---help---
- Enabling this option turns a certain set of sanity checks for user
- copy operations into compile time failures.
-diff --git a/arch/x86/Makefile b/arch/x86/Makefile
-index 1f25214..39422b3 100644
---- a/arch/x86/Makefile
-+++ b/arch/x86/Makefile
-@@ -46,6 +46,7 @@ else
- UTS_MACHINE := x86_64
- CHECKFLAGS += -D__x86_64__ -m64
-
-+ biarch := $(call cc-option,-m64)
- KBUILD_AFLAGS += -m64
- KBUILD_CFLAGS += -m64
-
-@@ -222,3 +223,12 @@ define archhelp
- echo ' FDARGS="..." arguments for the booted kernel'
- echo ' FDINITRD=file initrd for the booted kernel'
- endef
-+
-+define OLD_LD
-+
-+*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils.
-+*** Please upgrade your binutils to 2.18 or newer
-+endef
-+
-+archprepare:
-+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD)))
-diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
-index 5a747dd..ff7b12c 100644
---- a/arch/x86/boot/Makefile
-+++ b/arch/x86/boot/Makefile
-@@ -64,6 +64,9 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
- $(call cc-option, -fno-stack-protector) \
- $(call cc-option, -mpreferred-stack-boundary=2)
- KBUILD_CFLAGS += $(call cc-option, -m32)
-+ifdef CONSTIFY_PLUGIN
-+KBUILD_CFLAGS += $(CONSTIFY_PLUGIN) -fplugin-arg-constify_plugin-no-constify
-+endif
- KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
- GCOV_PROFILE := n
-
-diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h
-index 878e4b9..20537ab 100644
---- a/arch/x86/boot/bitops.h
-+++ b/arch/x86/boot/bitops.h
-@@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr)
- u8 v;
- const u32 *p = (const u32 *)addr;
-
-- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
-+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
- return v;
- }
-
-@@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr)
-
- static inline void set_bit(int nr, void *addr)
- {
-- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
-+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
- }
-
- #endif /* BOOT_BITOPS_H */
-diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
-index 18997e5..83d9c67 100644
---- a/arch/x86/boot/boot.h
-+++ b/arch/x86/boot/boot.h
-@@ -85,7 +85,7 @@ static inline void io_delay(void)
- static inline u16 ds(void)
- {
- u16 seg;
-- asm("movw %%ds,%0" : "=rm" (seg));
-+ asm volatile("movw %%ds,%0" : "=rm" (seg));
- return seg;
- }
-
-@@ -181,7 +181,7 @@ static inline void wrgs32(u32 v, addr_t addr)
- static inline int memcmp(const void *s1, const void *s2, size_t len)
- {
- u8 diff;
-- asm("repe; cmpsb; setnz %0"
-+ asm volatile("repe; cmpsb; setnz %0"
- : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
- return diff;
- }
-diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
-index e398bb5..3a382ca 100644
---- a/arch/x86/boot/compressed/Makefile
-+++ b/arch/x86/boot/compressed/Makefile
-@@ -14,6 +14,9 @@ cflags-$(CONFIG_X86_64) := -mcmodel=small
- KBUILD_CFLAGS += $(cflags-y)
- KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
- KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
-+ifdef CONSTIFY_PLUGIN
-+KBUILD_CFLAGS += $(CONSTIFY_PLUGIN) -fplugin-arg-constify_plugin-no-constify
-+endif
-
- KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
- GCOV_PROFILE := n
-diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
-index 4e85f5f..39fa641 100644
---- a/arch/x86/boot/compressed/eboot.c
-+++ b/arch/x86/boot/compressed/eboot.c
-@@ -142,7 +142,6 @@ again:
- *addr = max_addr;
- }
-
--free_pool:
- efi_call_phys1(sys_table->boottime->free_pool, map);
-
- fail:
-@@ -206,7 +205,6 @@ static efi_status_t low_alloc(unsigned long size, unsigned long align,
- if (i == map_size / desc_size)
- status = EFI_NOT_FOUND;
-
--free_pool:
- efi_call_phys1(sys_table->boottime->free_pool, map);
- fail:
- return status;
-diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
-index c85e3ac..6f5aa80 100644
---- a/arch/x86/boot/compressed/head_32.S
-+++ b/arch/x86/boot/compressed/head_32.S
-@@ -106,7 +106,7 @@ preferred_addr:
- notl %eax
- andl %eax, %ebx
- #else
-- movl $LOAD_PHYSICAL_ADDR, %ebx
-+ movl $____LOAD_PHYSICAL_ADDR, %ebx
- #endif
-
- /* Target address to relocate to for decompression */
-@@ -192,7 +192,7 @@ relocated:
- * and where it was actually loaded.
- */
- movl %ebp, %ebx
-- subl $LOAD_PHYSICAL_ADDR, %ebx
-+ subl $____LOAD_PHYSICAL_ADDR, %ebx
- jz 2f /* Nothing to be done if loaded at compiled addr. */
- /*
- * Process relocations.
-@@ -200,8 +200,7 @@ relocated:
-
- 1: subl $4, %edi
- movl (%edi), %ecx
-- testl %ecx, %ecx
-- jz 2f
-+ jecxz 2f
- addl %ebx, -__PAGE_OFFSET(%ebx, %ecx)
- jmp 1b
- 2:
-diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
-index 87e03a1..0d94c76 100644
---- a/arch/x86/boot/compressed/head_64.S
-+++ b/arch/x86/boot/compressed/head_64.S
-@@ -91,7 +91,7 @@ ENTRY(startup_32)
- notl %eax
- andl %eax, %ebx
- #else
-- movl $LOAD_PHYSICAL_ADDR, %ebx
-+ movl $____LOAD_PHYSICAL_ADDR, %ebx
- #endif
-
- /* Target address to relocate to for decompression */
-@@ -263,7 +263,7 @@ preferred_addr:
- notq %rax
- andq %rax, %rbp
- #else
-- movq $LOAD_PHYSICAL_ADDR, %rbp
-+ movq $____LOAD_PHYSICAL_ADDR, %rbp
- #endif
-
- /* Target address to relocate to for decompression */
-diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
-index 7116dcb..d9ae1d7 100644
---- a/arch/x86/boot/compressed/misc.c
-+++ b/arch/x86/boot/compressed/misc.c
-@@ -310,7 +310,7 @@ static void parse_elf(void *output)
- case PT_LOAD:
- #ifdef CONFIG_RELOCATABLE
- dest = output;
-- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);
-+ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR);
- #else
- dest = (void *)(phdr->p_paddr);
- #endif
-@@ -365,7 +365,7 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
- error("Destination address too large");
- #endif
- #ifndef CONFIG_RELOCATABLE
-- if ((unsigned long)output != LOAD_PHYSICAL_ADDR)
-+ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR)
- error("Wrong destination address");
- #endif
-
-diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
-index 4d3ff03..e4972ff 100644
---- a/arch/x86/boot/cpucheck.c
-+++ b/arch/x86/boot/cpucheck.c
-@@ -74,7 +74,7 @@ static int has_fpu(void)
- u16 fcw = -1, fsw = -1;
- u32 cr0;
-
-- asm("movl %%cr0,%0" : "=r" (cr0));
-+ asm volatile("movl %%cr0,%0" : "=r" (cr0));
- if (cr0 & (X86_CR0_EM|X86_CR0_TS)) {
- cr0 &= ~(X86_CR0_EM|X86_CR0_TS);
- asm volatile("movl %0,%%cr0" : : "r" (cr0));
-@@ -90,7 +90,7 @@ static int has_eflag(u32 mask)
- {
- u32 f0, f1;
-
-- asm("pushfl ; "
-+ asm volatile("pushfl ; "
- "pushfl ; "
- "popl %0 ; "
- "movl %0,%1 ; "
-@@ -115,7 +115,7 @@ static void get_flags(void)
- set_bit(X86_FEATURE_FPU, cpu.flags);
-
- if (has_eflag(X86_EFLAGS_ID)) {
-- asm("cpuid"
-+ asm volatile("cpuid"
- : "=a" (max_intel_level),
- "=b" (cpu_vendor[0]),
- "=d" (cpu_vendor[1]),
-@@ -124,7 +124,7 @@ static void get_flags(void)
-
- if (max_intel_level >= 0x00000001 &&
- max_intel_level <= 0x0000ffff) {
-- asm("cpuid"
-+ asm volatile("cpuid"
- : "=a" (tfms),
- "=c" (cpu.flags[4]),
- "=d" (cpu.flags[0])
-@@ -136,7 +136,7 @@ static void get_flags(void)
- cpu.model += ((tfms >> 16) & 0xf) << 4;
- }
-
-- asm("cpuid"
-+ asm volatile("cpuid"
- : "=a" (max_amd_level)
- : "a" (0x80000000)
- : "ebx", "ecx", "edx");
-@@ -144,7 +144,7 @@ static void get_flags(void)
- if (max_amd_level >= 0x80000001 &&
- max_amd_level <= 0x8000ffff) {
- u32 eax = 0x80000001;
-- asm("cpuid"
-+ asm volatile("cpuid"
- : "+a" (eax),
- "=c" (cpu.flags[6]),
- "=d" (cpu.flags[1])
-@@ -203,9 +203,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
- u32 ecx = MSR_K7_HWCR;
- u32 eax, edx;
-
-- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
- eax &= ~(1 << 15);
-- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-
- get_flags(); /* Make sure it really did something */
- err = check_flags();
-@@ -218,9 +218,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
- u32 ecx = MSR_VIA_FCR;
- u32 eax, edx;
-
-- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
- eax |= (1<<1)|(1<<7);
-- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-
- set_bit(X86_FEATURE_CX8, cpu.flags);
- err = check_flags();
-@@ -231,12 +231,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
- u32 eax, edx;
- u32 level = 1;
-
-- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
-- asm("cpuid"
-+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
-+ asm volatile("cpuid"
- : "+a" (level), "=d" (cpu.flags[0])
- : : "ecx", "ebx");
-- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-
- err = check_flags();
- }
-diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
-index efe5acf..22a3784 100644
---- a/arch/x86/boot/header.S
-+++ b/arch/x86/boot/header.S
-@@ -391,10 +391,14 @@ setup_data: .quad 0 # 64-bit physical pointer to
- # single linked list of
- # struct setup_data
-
--pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr
-+pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr
-
- #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset)
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR)
-+#else
- #define VO_INIT_SIZE (VO__end - VO__text)
-+#endif
- #if ZO_INIT_SIZE > VO_INIT_SIZE
- #define INIT_SIZE ZO_INIT_SIZE
- #else
-diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
-index db75d07..8e6d0af 100644
---- a/arch/x86/boot/memory.c
-+++ b/arch/x86/boot/memory.c
-@@ -19,7 +19,7 @@
-
- static int detect_memory_e820(void)
- {
-- int count = 0;
-+ unsigned int count = 0;
- struct biosregs ireg, oreg;
- struct e820entry *desc = boot_params.e820_map;
- static struct e820entry buf; /* static so it is zeroed */
-diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
-index 11e8c6e..fdbb1ed 100644
---- a/arch/x86/boot/video-vesa.c
-+++ b/arch/x86/boot/video-vesa.c
-@@ -200,6 +200,7 @@ static void vesa_store_pm_info(void)
-
- boot_params.screen_info.vesapm_seg = oreg.es;
- boot_params.screen_info.vesapm_off = oreg.di;
-+ boot_params.screen_info.vesapm_size = oreg.cx;
- }
-
- /*
-diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
-index 43eda28..5ab5fdb 100644
---- a/arch/x86/boot/video.c
-+++ b/arch/x86/boot/video.c
-@@ -96,7 +96,7 @@ static void store_mode_params(void)
- static unsigned int get_entry(void)
- {
- char entry_buf[4];
-- int i, len = 0;
-+ unsigned int i, len = 0;
- int key;
- unsigned int v;
-
-diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S
-index 5b577d5..3c1fed4 100644
---- a/arch/x86/crypto/aes-x86_64-asm_64.S
-+++ b/arch/x86/crypto/aes-x86_64-asm_64.S
-@@ -8,6 +8,8 @@
- * including this sentence is retained in full.
- */
-
-+#include <asm/alternative-asm.h>
-+
- .extern crypto_ft_tab
- .extern crypto_it_tab
- .extern crypto_fl_tab
-@@ -71,6 +73,8 @@ FUNC: movq r1,r2; \
- je B192; \
- leaq 32(r9),r9;
-
-+#define ret pax_force_retaddr 0, 1; ret
-+
- #define epilogue(r1,r2,r3,r4,r5,r6,r7,r8,r9) \
- movq r1,r2; \
- movq r3,r4; \
-diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
-index 3470624..201259d 100644
---- a/arch/x86/crypto/aesni-intel_asm.S
-+++ b/arch/x86/crypto/aesni-intel_asm.S
-@@ -31,6 +31,7 @@
-
- #include <linux/linkage.h>
- #include <asm/inst.h>
-+#include <asm/alternative-asm.h>
-
- #ifdef __x86_64__
- .data
-@@ -1436,7 +1437,9 @@ _return_T_done_decrypt:
- pop %r14
- pop %r13
- pop %r12
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_gcm_dec)
-
-
- /*****************************************************************************
-@@ -1699,7 +1702,9 @@ _return_T_done_encrypt:
- pop %r14
- pop %r13
- pop %r12
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_gcm_enc)
-
- #endif
-
-@@ -1714,6 +1719,7 @@ _key_expansion_256a:
- pxor %xmm1, %xmm0
- movaps %xmm0, (TKEYP)
- add $0x10, TKEYP
-+ pax_force_retaddr_bts
- ret
-
- .align 4
-@@ -1738,6 +1744,7 @@ _key_expansion_192a:
- shufps $0b01001110, %xmm2, %xmm1
- movaps %xmm1, 0x10(TKEYP)
- add $0x20, TKEYP
-+ pax_force_retaddr_bts
- ret
-
- .align 4
-@@ -1757,6 +1764,7 @@ _key_expansion_192b:
-
- movaps %xmm0, (TKEYP)
- add $0x10, TKEYP
-+ pax_force_retaddr_bts
- ret
-
- .align 4
-@@ -1769,6 +1777,7 @@ _key_expansion_256b:
- pxor %xmm1, %xmm2
- movaps %xmm2, (TKEYP)
- add $0x10, TKEYP
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -1881,7 +1890,9 @@ ENTRY(aesni_set_key)
- #ifndef __x86_64__
- popl KEYP
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_set_key)
-
- /*
- * void aesni_enc(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
-@@ -1902,7 +1913,9 @@ ENTRY(aesni_enc)
- popl KLEN
- popl KEYP
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_enc)
-
- /*
- * _aesni_enc1: internal ABI
-@@ -1959,6 +1972,7 @@ _aesni_enc1:
- AESENC KEY STATE
- movaps 0x70(TKEYP), KEY
- AESENCLAST KEY STATE
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2067,6 +2081,7 @@ _aesni_enc4:
- AESENCLAST KEY STATE2
- AESENCLAST KEY STATE3
- AESENCLAST KEY STATE4
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2089,7 +2104,9 @@ ENTRY(aesni_dec)
- popl KLEN
- popl KEYP
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_dec)
-
- /*
- * _aesni_dec1: internal ABI
-@@ -2146,6 +2163,7 @@ _aesni_dec1:
- AESDEC KEY STATE
- movaps 0x70(TKEYP), KEY
- AESDECLAST KEY STATE
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2254,6 +2272,7 @@ _aesni_dec4:
- AESDECLAST KEY STATE2
- AESDECLAST KEY STATE3
- AESDECLAST KEY STATE4
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2311,7 +2330,9 @@ ENTRY(aesni_ecb_enc)
- popl KEYP
- popl LEN
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_ecb_enc)
-
- /*
- * void aesni_ecb_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
-@@ -2369,7 +2390,9 @@ ENTRY(aesni_ecb_dec)
- popl KEYP
- popl LEN
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_ecb_dec)
-
- /*
- * void aesni_cbc_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
-@@ -2410,7 +2433,9 @@ ENTRY(aesni_cbc_enc)
- popl LEN
- popl IVP
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_cbc_enc)
-
- /*
- * void aesni_cbc_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
-@@ -2500,7 +2525,9 @@ ENTRY(aesni_cbc_dec)
- popl LEN
- popl IVP
- #endif
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_cbc_dec)
-
- #ifdef __x86_64__
- .align 16
-@@ -2526,6 +2553,7 @@ _aesni_inc_init:
- mov $1, TCTR_LOW
- MOVQ_R64_XMM TCTR_LOW INC
- MOVQ_R64_XMM CTR TCTR_LOW
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2554,6 +2582,7 @@ _aesni_inc:
- .Linc_low:
- movaps CTR, IV
- PSHUFB_XMM BSWAP_MASK IV
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -2614,5 +2643,7 @@ ENTRY(aesni_ctr_enc)
- .Lctr_enc_ret:
- movups IV, (IVP)
- .Lctr_enc_just_ret:
-+ pax_force_retaddr 0, 1
- ret
-+ENDPROC(aesni_ctr_enc)
- #endif
-diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S
-index 391d245..67f35c2 100644
---- a/arch/x86/crypto/blowfish-x86_64-asm_64.S
-+++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S
-@@ -20,6 +20,8 @@
- *
- */
-
-+#include <asm/alternative-asm.h>
-+
- .file "blowfish-x86_64-asm.S"
- .text
-
-@@ -151,9 +153,11 @@ __blowfish_enc_blk:
- jnz __enc_xor;
-
- write_block();
-+ pax_force_retaddr 0, 1
- ret;
- __enc_xor:
- xor_block();
-+ pax_force_retaddr 0, 1
- ret;
-
- .align 8
-@@ -188,6 +192,7 @@ blowfish_dec_blk:
-
- movq %r11, %rbp;
-
-+ pax_force_retaddr 0, 1
- ret;
-
- /**********************************************************************
-@@ -342,6 +347,7 @@ __blowfish_enc_blk_4way:
-
- popq %rbx;
- popq %rbp;
-+ pax_force_retaddr 0, 1
- ret;
-
- __enc_xor4:
-@@ -349,6 +355,7 @@ __enc_xor4:
-
- popq %rbx;
- popq %rbp;
-+ pax_force_retaddr 0, 1
- ret;
-
- .align 8
-@@ -386,5 +393,6 @@ blowfish_dec_blk_4way:
- popq %rbx;
- popq %rbp;
-
-+ pax_force_retaddr 0, 1
- ret;
-
-diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S
-index 0b33743..7a56206 100644
---- a/arch/x86/crypto/camellia-x86_64-asm_64.S
-+++ b/arch/x86/crypto/camellia-x86_64-asm_64.S
-@@ -20,6 +20,8 @@
- *
- */
-
-+#include <asm/alternative-asm.h>
-+
- .file "camellia-x86_64-asm_64.S"
- .text
-
-@@ -229,12 +231,14 @@ __enc_done:
- enc_outunpack(mov, RT1);
-
- movq RRBP, %rbp;
-+ pax_force_retaddr 0, 1
- ret;
-
- __enc_xor:
- enc_outunpack(xor, RT1);
-
- movq RRBP, %rbp;
-+ pax_force_retaddr 0, 1
- ret;
-
- .global camellia_dec_blk;
-@@ -275,6 +279,7 @@ __dec_rounds16:
- dec_outunpack();
-
- movq RRBP, %rbp;
-+ pax_force_retaddr 0, 1
- ret;
-
- /**********************************************************************
-@@ -468,6 +473,7 @@ __enc2_done:
-
- movq RRBP, %rbp;
- popq %rbx;
-+ pax_force_retaddr 0, 1
- ret;
-
- __enc2_xor:
-@@ -475,6 +481,7 @@ __enc2_xor:
-
- movq RRBP, %rbp;
- popq %rbx;
-+ pax_force_retaddr 0, 1
- ret;
-
- .global camellia_dec_blk_2way;
-@@ -517,4 +524,5 @@ __dec2_rounds16:
-
- movq RRBP, %rbp;
- movq RXOR, %rbx;
-+ pax_force_retaddr 0, 1
- ret;
-diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S
-index 6214a9b..1f4fc9a 100644
---- a/arch/x86/crypto/salsa20-x86_64-asm_64.S
-+++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S
-@@ -1,3 +1,5 @@
-+#include <asm/alternative-asm.h>
-+
- # enter ECRYPT_encrypt_bytes
- .text
- .p2align 5
-@@ -790,6 +792,7 @@ ECRYPT_encrypt_bytes:
- add %r11,%rsp
- mov %rdi,%rax
- mov %rsi,%rdx
-+ pax_force_retaddr 0, 1
- ret
- # bytesatleast65:
- ._bytesatleast65:
-@@ -891,6 +894,7 @@ ECRYPT_keysetup:
- add %r11,%rsp
- mov %rdi,%rax
- mov %rsi,%rdx
-+ pax_force_retaddr
- ret
- # enter ECRYPT_ivsetup
- .text
-@@ -917,4 +921,5 @@ ECRYPT_ivsetup:
- add %r11,%rsp
- mov %rdi,%rax
- mov %rsi,%rdx
-+ pax_force_retaddr
- ret
-diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
-index 3ee1ff0..cbc568b 100644
---- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
-+++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
-@@ -24,6 +24,8 @@
- *
- */
-
-+#include <asm/alternative-asm.h>
-+
- .file "serpent-sse2-x86_64-asm_64.S"
- .text
-
-@@ -692,12 +694,14 @@ __serpent_enc_blk_8way:
- write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
- write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
-
-+ pax_force_retaddr
- ret;
-
- __enc_xor8:
- xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
- xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
-
-+ pax_force_retaddr
- ret;
-
- .align 8
-@@ -755,4 +759,5 @@ serpent_dec_blk_8way:
- write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2);
- write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2);
-
-+ pax_force_retaddr
- ret;
-diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S
-index b2c2f57..8470cab 100644
---- a/arch/x86/crypto/sha1_ssse3_asm.S
-+++ b/arch/x86/crypto/sha1_ssse3_asm.S
-@@ -28,6 +28,8 @@
- * (at your option) any later version.
- */
-
-+#include <asm/alternative-asm.h>
-+
- #define CTX %rdi // arg1
- #define BUF %rsi // arg2
- #define CNT %rdx // arg3
-@@ -104,6 +106,7 @@
- pop %r12
- pop %rbp
- pop %rbx
-+ pax_force_retaddr 0, 1
- ret
-
- .size \name, .-\name
-diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
-index 5b012a2..36d5364 100644
---- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
-+++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
-@@ -20,6 +20,8 @@
- *
- */
-
-+#include <asm/alternative-asm.h>
-+
- .file "twofish-x86_64-asm-3way.S"
- .text
-
-@@ -260,6 +262,7 @@ __twofish_enc_blk_3way:
- popq %r13;
- popq %r14;
- popq %r15;
-+ pax_force_retaddr 0, 1
- ret;
-
- __enc_xor3:
-@@ -271,6 +274,7 @@ __enc_xor3:
- popq %r13;
- popq %r14;
- popq %r15;
-+ pax_force_retaddr 0, 1
- ret;
-
- .global twofish_dec_blk_3way
-@@ -312,5 +316,6 @@ twofish_dec_blk_3way:
- popq %r13;
- popq %r14;
- popq %r15;
-+ pax_force_retaddr 0, 1
- ret;
-
-diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S
-index 7bcf3fc..f53832f 100644
---- a/arch/x86/crypto/twofish-x86_64-asm_64.S
-+++ b/arch/x86/crypto/twofish-x86_64-asm_64.S
-@@ -21,6 +21,7 @@
- .text
-
- #include <asm/asm-offsets.h>
-+#include <asm/alternative-asm.h>
-
- #define a_offset 0
- #define b_offset 4
-@@ -268,6 +269,7 @@ twofish_enc_blk:
-
- popq R1
- movq $1,%rax
-+ pax_force_retaddr 0, 1
- ret
-
- twofish_dec_blk:
-@@ -319,4 +321,5 @@ twofish_dec_blk:
-
- popq R1
- movq $1,%rax
-+ pax_force_retaddr 0, 1
- ret
-diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
-index 07b3a68..bd2a388 100644
---- a/arch/x86/ia32/ia32_aout.c
-+++ b/arch/x86/ia32/ia32_aout.c
-@@ -159,6 +159,8 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
- unsigned long dump_start, dump_size;
- struct user32 dump;
-
-+ memset(&dump, 0, sizeof(dump));
-+
- fs = get_fs();
- set_fs(KERNEL_DS);
- has_dumped = 1;
-diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
-index 673ac9b..7a8c5df 100644
---- a/arch/x86/ia32/ia32_signal.c
-+++ b/arch/x86/ia32/ia32_signal.c
-@@ -162,7 +162,7 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
- }
- seg = get_fs();
- set_fs(KERNEL_DS);
-- ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->sp);
-+ ret = do_sigaltstack(uss_ptr ? (const stack_t __force_user *)&uss : NULL, (stack_t __force_user *)&uoss, regs->sp);
- set_fs(seg);
- if (ret >= 0 && uoss_ptr) {
- if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)))
-@@ -361,7 +361,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
- */
- static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
- size_t frame_size,
-- void **fpstate)
-+ void __user **fpstate)
- {
- unsigned long sp;
-
-@@ -382,7 +382,7 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
-
- if (used_math()) {
- sp = sp - sig_xstate_ia32_size;
-- *fpstate = (struct _fpstate_ia32 *) sp;
-+ *fpstate = (struct _fpstate_ia32 __user *) sp;
- if (save_i387_xstate_ia32(*fpstate) < 0)
- return (void __user *) -1L;
- }
-@@ -390,7 +390,7 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
- sp -= frame_size;
- /* Align the stack pointer according to the i386 ABI,
- * i.e. so that on function entry ((sp + 4) & 15) == 0. */
-- sp = ((sp + 4) & -16ul) - 4;
-+ sp = ((sp - 12) & -16ul) - 4;
- return (void __user *) sp;
- }
-
-@@ -448,7 +448,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
- * These are actually not used anymore, but left because some
- * gdb versions depend on them as a marker.
- */
-- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
-+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
- } put_user_catch(err);
-
- if (err)
-@@ -490,7 +490,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- 0xb8,
- __NR_ia32_rt_sigreturn,
- 0x80cd,
-- 0,
-+ 0
- };
-
- frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
-@@ -520,16 +520,18 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-
- if (ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
-+ else if (current->mm->context.vdso)
-+ /* Return stub is in 32bit vsyscall page */
-+ restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
- else
-- restorer = VDSO32_SYMBOL(current->mm->context.vdso,
-- rt_sigreturn);
-+ restorer = &frame->retcode;
- put_user_ex(ptr_to_compat(restorer), &frame->pretcode);
-
- /*
- * Not actually used anymore, but left because some gdb
- * versions need it.
- */
-- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
-+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
- } put_user_catch(err);
-
- if (err)
-diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
-index 20e5f7b..f33c779 100644
---- a/arch/x86/ia32/ia32entry.S
-+++ b/arch/x86/ia32/ia32entry.S
-@@ -14,8 +14,10 @@
- #include <asm/segment.h>
- #include <asm/irqflags.h>
- #include <asm/asm.h>
-+#include <asm/pgtable.h>
- #include <linux/linkage.h>
- #include <linux/err.h>
-+#include <asm/alternative-asm.h>
-
- /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
- #include <linux/elf-em.h>
-@@ -95,6 +97,32 @@ ENTRY(native_irq_enable_sysexit)
- ENDPROC(native_irq_enable_sysexit)
- #endif
-
-+ .macro pax_enter_kernel_user
-+ pax_set_fptr_mask
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ call pax_enter_kernel_user
-+#endif
-+ .endm
-+
-+ .macro pax_exit_kernel_user
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ call pax_exit_kernel_user
-+#endif
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pushq %rax
-+ pushq %r11
-+ call pax_randomize_kstack
-+ popq %r11
-+ popq %rax
-+#endif
-+ .endm
-+
-+.macro pax_erase_kstack
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+ call pax_erase_kstack
-+#endif
-+.endm
-+
- /*
- * 32bit SYSENTER instruction entry.
- *
-@@ -121,12 +149,6 @@ ENTRY(ia32_sysenter_target)
- CFI_REGISTER rsp,rbp
- SWAPGS_UNSAFE_STACK
- movq PER_CPU_VAR(kernel_stack), %rsp
-- addq $(KERNEL_STACK_OFFSET),%rsp
-- /*
-- * No need to follow this irqs on/off section: the syscall
-- * disabled irqs, here we enable it straight after entry:
-- */
-- ENABLE_INTERRUPTS(CLBR_NONE)
- movl %ebp,%ebp /* zero extension */
- pushq_cfi $__USER32_DS
- /*CFI_REL_OFFSET ss,0*/
-@@ -134,22 +156,42 @@ ENTRY(ia32_sysenter_target)
- CFI_REL_OFFSET rsp,0
- pushfq_cfi
- /*CFI_REL_OFFSET rflags,0*/
-- movl TI_sysenter_return+THREAD_INFO(%rsp,3*8-KERNEL_STACK_OFFSET),%r10d
-- CFI_REGISTER rip,r10
-+ orl $X86_EFLAGS_IF,(%rsp)
-+ GET_THREAD_INFO(%r11)
-+ movl TI_sysenter_return(%r11), %r11d
-+ CFI_REGISTER rip,r11
- pushq_cfi $__USER32_CS
- /*CFI_REL_OFFSET cs,0*/
- movl %eax, %eax
-- pushq_cfi %r10
-+ pushq_cfi %r11
- CFI_REL_OFFSET rip,0
- pushq_cfi %rax
- cld
- SAVE_ARGS 0,1,0
-+ pax_enter_kernel_user
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
-+ /*
-+ * No need to follow this irqs on/off section: the syscall
-+ * disabled irqs, here we enable it straight after entry:
-+ */
-+ ENABLE_INTERRUPTS(CLBR_NONE)
- /* no need to do an access_ok check here because rbp has been
- 32bit zero extended */
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ mov $PAX_USER_SHADOW_BASE,%r11
-+ add %r11,%rbp
-+#endif
-+
- 1: movl (%rbp),%ebp
- _ASM_EXTABLE(1b,ia32_badarg)
-- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ GET_THREAD_INFO(%r11)
-+ orl $TS_COMPAT,TI_status(%r11)
-+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
- CFI_REMEMBER_STATE
- jnz sysenter_tracesys
- cmpq $(IA32_NR_syscalls-1),%rax
-@@ -159,12 +201,15 @@ sysenter_do_call:
- sysenter_dispatch:
- call *ia32_sys_call_table(,%rax,8)
- movq %rax,RAX-ARGOFFSET(%rsp)
-+ GET_THREAD_INFO(%r11)
- DISABLE_INTERRUPTS(CLBR_NONE)
- TRACE_IRQS_OFF
-- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
- jnz sysexit_audit
- sysexit_from_sys_call:
-- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ pax_exit_kernel_user
-+ pax_erase_kstack
-+ andl $~TS_COMPAT,TI_status(%r11)
- /* clear IF, that popfq doesn't enable interrupts early */
- andl $~0x200,EFLAGS-R11(%rsp)
- movl RIP-R11(%rsp),%edx /* User %eip */
-@@ -190,6 +235,9 @@ sysexit_from_sys_call:
- movl %eax,%esi /* 2nd arg: syscall number */
- movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
- call __audit_syscall_entry
-+
-+ pax_erase_kstack
-+
- movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
- cmpq $(IA32_NR_syscalls-1),%rax
- ja ia32_badsys
-@@ -201,7 +249,7 @@ sysexit_from_sys_call:
- .endm
-
- .macro auditsys_exit exit
-- testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
- jnz ia32_ret_from_sys_call
- TRACE_IRQS_ON
- sti
-@@ -212,11 +260,12 @@ sysexit_from_sys_call:
- 1: setbe %al /* 1 if error, 0 if not */
- movzbl %al,%edi /* zero-extend that into %edi */
- call __audit_syscall_exit
-+ GET_THREAD_INFO(%r11)
- movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */
- movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
- cli
- TRACE_IRQS_OFF
-- testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl %edi,TI_flags(%r11)
- jz \exit
- CLEAR_RREGS -ARGOFFSET
- jmp int_with_check
-@@ -234,7 +283,7 @@ sysexit_audit:
-
- sysenter_tracesys:
- #ifdef CONFIG_AUDITSYSCALL
-- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
- jz sysenter_auditsys
- #endif
- SAVE_REST
-@@ -246,6 +295,9 @@ sysenter_tracesys:
- RESTORE_REST
- cmpq $(IA32_NR_syscalls-1),%rax
- ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
-+
-+ pax_erase_kstack
-+
- jmp sysenter_do_call
- CFI_ENDPROC
- ENDPROC(ia32_sysenter_target)
-@@ -273,19 +325,25 @@ ENDPROC(ia32_sysenter_target)
- ENTRY(ia32_cstar_target)
- CFI_STARTPROC32 simple
- CFI_SIGNAL_FRAME
-- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
-+ CFI_DEF_CFA rsp,0
- CFI_REGISTER rip,rcx
- /*CFI_REGISTER rflags,r11*/
- SWAPGS_UNSAFE_STACK
- movl %esp,%r8d
- CFI_REGISTER rsp,r8
- movq PER_CPU_VAR(kernel_stack),%rsp
-+ SAVE_ARGS 8*6,0,0
-+ pax_enter_kernel_user
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
- /*
- * No need to follow this irqs on/off section: the syscall
- * disabled irqs and here we enable it straight after entry:
- */
- ENABLE_INTERRUPTS(CLBR_NONE)
-- SAVE_ARGS 8,0,0
- movl %eax,%eax /* zero extension */
- movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
- movq %rcx,RIP-ARGOFFSET(%rsp)
-@@ -301,10 +359,17 @@ ENTRY(ia32_cstar_target)
- /* no need to do an access_ok check here because r8 has been
- 32bit zero extended */
- /* hardware stack frame is complete now */
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ mov $PAX_USER_SHADOW_BASE,%r11
-+ add %r11,%r8
-+#endif
-+
- 1: movl (%r8),%r9d
- _ASM_EXTABLE(1b,ia32_badarg)
-- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ GET_THREAD_INFO(%r11)
-+ orl $TS_COMPAT,TI_status(%r11)
-+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
- CFI_REMEMBER_STATE
- jnz cstar_tracesys
- cmpq $IA32_NR_syscalls-1,%rax
-@@ -314,12 +379,15 @@ cstar_do_call:
- cstar_dispatch:
- call *ia32_sys_call_table(,%rax,8)
- movq %rax,RAX-ARGOFFSET(%rsp)
-+ GET_THREAD_INFO(%r11)
- DISABLE_INTERRUPTS(CLBR_NONE)
- TRACE_IRQS_OFF
-- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
- jnz sysretl_audit
- sysretl_from_sys_call:
-- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ pax_exit_kernel_user
-+ pax_erase_kstack
-+ andl $~TS_COMPAT,TI_status(%r11)
- RESTORE_ARGS 0,-ARG_SKIP,0,0,0
- movl RIP-ARGOFFSET(%rsp),%ecx
- CFI_REGISTER rip,rcx
-@@ -347,7 +415,7 @@ sysretl_audit:
-
- cstar_tracesys:
- #ifdef CONFIG_AUDITSYSCALL
-- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
- jz cstar_auditsys
- #endif
- xchgl %r9d,%ebp
-@@ -361,6 +429,9 @@ cstar_tracesys:
- xchgl %ebp,%r9d
- cmpq $(IA32_NR_syscalls-1),%rax
- ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
-+
-+ pax_erase_kstack
-+
- jmp cstar_do_call
- END(ia32_cstar_target)
-
-@@ -401,19 +472,26 @@ ENTRY(ia32_syscall)
- CFI_REL_OFFSET rip,RIP-RIP
- PARAVIRT_ADJUST_EXCEPTION_FRAME
- SWAPGS
-- /*
-- * No need to follow this irqs on/off section: the syscall
-- * disabled irqs and here we enable it straight after entry:
-- */
-- ENABLE_INTERRUPTS(CLBR_NONE)
- movl %eax,%eax
- pushq_cfi %rax
- cld
- /* note the registers are not zero extended to the sf.
- this could be a problem. */
- SAVE_ARGS 0,1,0
-- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ pax_enter_kernel_user
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
-+ /*
-+ * No need to follow this irqs on/off section: the syscall
-+ * disabled irqs and here we enable it straight after entry:
-+ */
-+ ENABLE_INTERRUPTS(CLBR_NONE)
-+ GET_THREAD_INFO(%r11)
-+ orl $TS_COMPAT,TI_status(%r11)
-+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
- jnz ia32_tracesys
- cmpq $(IA32_NR_syscalls-1),%rax
- ja ia32_badsys
-@@ -436,6 +514,9 @@ ia32_tracesys:
- RESTORE_REST
- cmpq $(IA32_NR_syscalls-1),%rax
- ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
-+
-+ pax_erase_kstack
-+
- jmp ia32_do_call
- END(ia32_syscall)
-
-diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
-index 4540bec..714d913 100644
---- a/arch/x86/ia32/sys_ia32.c
-+++ b/arch/x86/ia32/sys_ia32.c
-@@ -69,8 +69,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low,
- */
- static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
- {
-- typeof(ubuf->st_uid) uid = 0;
-- typeof(ubuf->st_gid) gid = 0;
-+ typeof(((struct stat64 *)0)->st_uid) uid = 0;
-+ typeof(((struct stat64 *)0)->st_gid) gid = 0;
- SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid));
- SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid));
- if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
-@@ -287,7 +287,7 @@ asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
- return ret;
- }
-
--asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
-+asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr,
- int options)
- {
- return compat_sys_wait4(pid, stat_addr, options, NULL);
-@@ -303,7 +303,7 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
-- ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
-+ ret = sys_sched_rr_get_interval(pid, (struct timespec __force_user *)&t);
- set_fs(old_fs);
- if (put_compat_timespec(&t, interval))
- return -EFAULT;
-@@ -319,7 +319,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
-- ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize);
-+ ret = sys_rt_sigpending((sigset_t __force_user *)&s, sigsetsize);
- set_fs(old_fs);
- if (!ret) {
- switch (_NSIG_WORDS) {
-@@ -344,7 +344,7 @@ asmlinkage long sys32_rt_sigqueueinfo(int pid, int sig,
- if (copy_siginfo_from_user32(&info, uinfo))
- return -EFAULT;
- set_fs(KERNEL_DS);
-- ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info);
-+ ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force_user *)&info);
- set_fs(old_fs);
- return ret;
- }
-@@ -376,7 +376,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
- return -EFAULT;
-
- set_fs(KERNEL_DS);
-- ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL,
-+ ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __force_user *)&of : NULL,
- count);
- set_fs(old_fs);
-
-diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
-index 952bd01..7692c6f 100644
---- a/arch/x86/include/asm/alternative-asm.h
-+++ b/arch/x86/include/asm/alternative-asm.h
-@@ -15,6 +15,45 @@
- .endm
- #endif
-
-+#ifdef KERNEXEC_PLUGIN
-+ .macro pax_force_retaddr_bts rip=0
-+ btsq $63,\rip(%rsp)
-+ .endm
-+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
-+ .macro pax_force_retaddr rip=0, reload=0
-+ btsq $63,\rip(%rsp)
-+ .endm
-+ .macro pax_force_fptr ptr
-+ btsq $63,\ptr
-+ .endm
-+ .macro pax_set_fptr_mask
-+ .endm
-+#endif
-+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
-+ .macro pax_force_retaddr rip=0, reload=0
-+ .if \reload
-+ pax_set_fptr_mask
-+ .endif
-+ orq %r10,\rip(%rsp)
-+ .endm
-+ .macro pax_force_fptr ptr
-+ orq %r10,\ptr
-+ .endm
-+ .macro pax_set_fptr_mask
-+ movabs $0x8000000000000000,%r10
-+ .endm
-+#endif
-+#else
-+ .macro pax_force_retaddr rip=0, reload=0
-+ .endm
-+ .macro pax_force_fptr ptr
-+ .endm
-+ .macro pax_force_retaddr_bts rip=0
-+ .endm
-+ .macro pax_set_fptr_mask
-+ .endm
-+#endif
-+
- .macro altinstruction_entry orig alt feature orig_len alt_len
- .long \orig - .
- .long \alt - .
-diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
-index 49331be..9706065 100644
---- a/arch/x86/include/asm/alternative.h
-+++ b/arch/x86/include/asm/alternative.h
-@@ -89,7 +89,7 @@ static inline int alternatives_text_reserved(void *start, void *end)
- ".section .discard,\"aw\",@progbits\n" \
- " .byte 0xff + (664f-663f) - (662b-661b)\n" /* rlen <= slen */ \
- ".previous\n" \
-- ".section .altinstr_replacement, \"ax\"\n" \
-+ ".section .altinstr_replacement, \"a\"\n" \
- "663:\n\t" newinstr "\n664:\n" /* replacement */ \
- ".previous"
-
-diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
-index eaff479..3025a63 100644
---- a/arch/x86/include/asm/apic.h
-+++ b/arch/x86/include/asm/apic.h
-@@ -44,7 +44,7 @@ static inline void generic_apic_probe(void)
-
- #ifdef CONFIG_X86_LOCAL_APIC
-
--extern unsigned int apic_verbosity;
-+extern int apic_verbosity;
- extern int local_apic_timer_c2_ok;
-
- extern int disable_apic;
-diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h
-index 20370c6..a2eb9b0 100644
---- a/arch/x86/include/asm/apm.h
-+++ b/arch/x86/include/asm/apm.h
-@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in,
- __asm__ __volatile__(APM_DO_ZERO_SEGS
- "pushl %%edi\n\t"
- "pushl %%ebp\n\t"
-- "lcall *%%cs:apm_bios_entry\n\t"
-+ "lcall *%%ss:apm_bios_entry\n\t"
- "setc %%al\n\t"
- "popl %%ebp\n\t"
- "popl %%edi\n\t"
-@@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
- __asm__ __volatile__(APM_DO_ZERO_SEGS
- "pushl %%edi\n\t"
- "pushl %%ebp\n\t"
-- "lcall *%%cs:apm_bios_entry\n\t"
-+ "lcall *%%ss:apm_bios_entry\n\t"
- "setc %%bl\n\t"
- "popl %%ebp\n\t"
- "popl %%edi\n\t"
-diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
-index 58cb6d4..a4b806c 100644
---- a/arch/x86/include/asm/atomic.h
-+++ b/arch/x86/include/asm/atomic.h
-@@ -22,7 +22,18 @@
- */
- static inline int atomic_read(const atomic_t *v)
- {
-- return (*(volatile int *)&(v)->counter);
-+ return (*(volatile const int *)&(v)->counter);
-+}
-+
-+/**
-+ * atomic_read_unchecked - read atomic variable
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically reads the value of @v.
-+ */
-+static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
-+{
-+ return (*(volatile const int *)&(v)->counter);
- }
-
- /**
-@@ -38,6 +49,18 @@ static inline void atomic_set(atomic_t *v, int i)
- }
-
- /**
-+ * atomic_set_unchecked - set atomic variable
-+ * @v: pointer of type atomic_unchecked_t
-+ * @i: required value
-+ *
-+ * Atomically sets the value of @v to @i.
-+ */
-+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
-+{
-+ v->counter = i;
-+}
-+
-+/**
- * atomic_add - add integer to atomic variable
- * @i: integer value to add
- * @v: pointer of type atomic_t
-@@ -46,7 +69,29 @@ static inline void atomic_set(atomic_t *v, int i)
- */
- static inline void atomic_add(int i, atomic_t *v)
- {
-- asm volatile(LOCK_PREFIX "addl %1,%0"
-+ asm volatile(LOCK_PREFIX "addl %1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "subl %1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "+m" (v->counter)
-+ : "ir" (i));
-+}
-+
-+/**
-+ * atomic_add_unchecked - add integer to atomic variable
-+ * @i: integer value to add
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically adds @i to @v.
-+ */
-+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "addl %1,%0\n"
- : "+m" (v->counter)
- : "ir" (i));
- }
-@@ -60,7 +105,29 @@ static inline void atomic_add(int i, atomic_t *v)
- */
- static inline void atomic_sub(int i, atomic_t *v)
- {
-- asm volatile(LOCK_PREFIX "subl %1,%0"
-+ asm volatile(LOCK_PREFIX "subl %1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "addl %1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "+m" (v->counter)
-+ : "ir" (i));
-+}
-+
-+/**
-+ * atomic_sub_unchecked - subtract integer from atomic variable
-+ * @i: integer value to subtract
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically subtracts @i from @v.
-+ */
-+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "subl %1,%0\n"
- : "+m" (v->counter)
- : "ir" (i));
- }
-@@ -78,7 +145,16 @@ static inline int atomic_sub_and_test(int i, atomic_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "subl %2,%0; sete %1"
-+ asm volatile(LOCK_PREFIX "subl %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "addl %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "+m" (v->counter), "=qm" (c)
- : "ir" (i) : "memory");
- return c;
-@@ -92,7 +168,27 @@ static inline int atomic_sub_and_test(int i, atomic_t *v)
- */
- static inline void atomic_inc(atomic_t *v)
- {
-- asm volatile(LOCK_PREFIX "incl %0"
-+ asm volatile(LOCK_PREFIX "incl %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "decl %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "+m" (v->counter));
-+}
-+
-+/**
-+ * atomic_inc_unchecked - increment atomic variable
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically increments @v by 1.
-+ */
-+static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "incl %0\n"
- : "+m" (v->counter));
- }
-
-@@ -104,7 +200,27 @@ static inline void atomic_inc(atomic_t *v)
- */
- static inline void atomic_dec(atomic_t *v)
- {
-- asm volatile(LOCK_PREFIX "decl %0"
-+ asm volatile(LOCK_PREFIX "decl %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "incl %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "+m" (v->counter));
-+}
-+
-+/**
-+ * atomic_dec_unchecked - decrement atomic variable
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically decrements @v by 1.
-+ */
-+static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "decl %0\n"
- : "+m" (v->counter));
- }
-
-@@ -120,7 +236,16 @@ static inline int atomic_dec_and_test(atomic_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "decl %0; sete %1"
-+ asm volatile(LOCK_PREFIX "decl %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "incl %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "+m" (v->counter), "=qm" (c)
- : : "memory");
- return c != 0;
-@@ -138,7 +263,35 @@ static inline int atomic_inc_and_test(atomic_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "incl %0; sete %1"
-+ asm volatile(LOCK_PREFIX "incl %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "decl %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
-+ : "+m" (v->counter), "=qm" (c)
-+ : : "memory");
-+ return c != 0;
-+}
-+
-+/**
-+ * atomic_inc_and_test_unchecked - increment and test
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically increments @v by 1
-+ * and returns true if the result is zero, or false for all
-+ * other cases.
-+ */
-+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
-+{
-+ unsigned char c;
-+
-+ asm volatile(LOCK_PREFIX "incl %0\n"
-+ "sete %1\n"
- : "+m" (v->counter), "=qm" (c)
- : : "memory");
- return c != 0;
-@@ -157,7 +310,16 @@ static inline int atomic_add_negative(int i, atomic_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "addl %2,%0; sets %1"
-+ asm volatile(LOCK_PREFIX "addl %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "subl %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sets %1\n"
- : "+m" (v->counter), "=qm" (c)
- : "ir" (i) : "memory");
- return c;
-@@ -179,7 +341,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
- goto no_xadd;
- #endif
- /* Modern 486+ processor */
-- return i + xadd(&v->counter, i);
-+ return i + xadd_check_overflow(&v->counter, i);
-
- #ifdef CONFIG_M386
- no_xadd: /* Legacy 386 processor */
-@@ -192,6 +354,34 @@ no_xadd: /* Legacy 386 processor */
- }
-
- /**
-+ * atomic_add_return_unchecked - add integer and return
-+ * @i: integer value to add
-+ * @v: pointer of type atomic_unchecked_t
-+ *
-+ * Atomically adds @i to @v and returns @i + @v
-+ */
-+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
-+{
-+#ifdef CONFIG_M386
-+ int __i;
-+ unsigned long flags;
-+ if (unlikely(boot_cpu_data.x86 <= 3))
-+ goto no_xadd;
-+#endif
-+ /* Modern 486+ processor */
-+ return i + xadd(&v->counter, i);
-+
-+#ifdef CONFIG_M386
-+no_xadd: /* Legacy 386 processor */
-+ raw_local_irq_save(flags);
-+ __i = atomic_read_unchecked(v);
-+ atomic_set_unchecked(v, i + __i);
-+ raw_local_irq_restore(flags);
-+ return i + __i;
-+#endif
-+}
-+
-+/**
- * atomic_sub_return - subtract integer and return
- * @v: pointer of type atomic_t
- * @i: integer value to subtract
-@@ -204,6 +394,10 @@ static inline int atomic_sub_return(int i, atomic_t *v)
- }
-
- #define atomic_inc_return(v) (atomic_add_return(1, v))
-+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
-+{
-+ return atomic_add_return_unchecked(1, v);
-+}
- #define atomic_dec_return(v) (atomic_sub_return(1, v))
-
- static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
-@@ -211,11 +405,21 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
- return cmpxchg(&v->counter, old, new);
- }
-
-+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
-+{
-+ return cmpxchg(&v->counter, old, new);
-+}
-+
- static inline int atomic_xchg(atomic_t *v, int new)
- {
- return xchg(&v->counter, new);
- }
-
-+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
-+{
-+ return xchg(&v->counter, new);
-+}
-+
- /**
- * __atomic_add_unless - add unless the number is already a given value
- * @v: pointer of type atomic_t
-@@ -227,12 +431,25 @@ static inline int atomic_xchg(atomic_t *v, int new)
- */
- static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- {
-- int c, old;
-+ int c, old, new;
- c = atomic_read(v);
- for (;;) {
-- if (unlikely(c == (u)))
-+ if (unlikely(c == u))
- break;
-- old = atomic_cmpxchg((v), c, c + (a));
-+
-+ asm volatile("addl %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "subl %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=r" (new)
-+ : "0" (c), "ir" (a));
-+
-+ old = atomic_cmpxchg(v, c, new);
- if (likely(old == c))
- break;
- c = old;
-@@ -240,6 +457,48 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- return c;
- }
-
-+/**
-+ * atomic_inc_not_zero_hint - increment if not null
-+ * @v: pointer of type atomic_t
-+ * @hint: probable value of the atomic before the increment
-+ *
-+ * This version of atomic_inc_not_zero() gives a hint of probable
-+ * value of the atomic. This helps processor to not read the memory
-+ * before doing the atomic read/modify/write cycle, lowering
-+ * number of bus transactions on some arches.
-+ *
-+ * Returns: 0 if increment was not done, 1 otherwise.
-+ */
-+#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint
-+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
-+{
-+ int val, c = hint, new;
-+
-+ /* sanity test, should be removed by compiler if hint is a constant */
-+ if (!hint)
-+ return __atomic_add_unless(v, 1, 0);
-+
-+ do {
-+ asm volatile("incl %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "decl %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=r" (new)
-+ : "0" (c));
-+
-+ val = atomic_cmpxchg(v, c, new);
-+ if (val == c)
-+ return 1;
-+ c = val;
-+ } while (c);
-+
-+ return 0;
-+}
-
- /*
- * atomic_dec_if_positive - decrement by 1 if old value positive
-@@ -293,14 +552,37 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
- #endif
-
- /* These are x86-specific, used by some header files */
--#define atomic_clear_mask(mask, addr) \
-- asm volatile(LOCK_PREFIX "andl %0,%1" \
-- : : "r" (~(mask)), "m" (*(addr)) : "memory")
-+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "andl %1,%0"
-+ : "+m" (v->counter)
-+ : "r" (~(mask))
-+ : "memory");
-+}
-
--#define atomic_set_mask(mask, addr) \
-- asm volatile(LOCK_PREFIX "orl %0,%1" \
-- : : "r" ((unsigned)(mask)), "m" (*(addr)) \
-- : "memory")
-+static inline void atomic_clear_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "andl %1,%0"
-+ : "+m" (v->counter)
-+ : "r" (~(mask))
-+ : "memory");
-+}
-+
-+static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "orl %1,%0"
-+ : "+m" (v->counter)
-+ : "r" (mask)
-+ : "memory");
-+}
-+
-+static inline void atomic_set_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "orl %1,%0"
-+ : "+m" (v->counter)
-+ : "r" (mask)
-+ : "memory");
-+}
-
- /* Atomic operations are already serializing on x86 */
- #define smp_mb__before_atomic_dec() barrier()
-diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
-index b154de7..aadebd8 100644
---- a/arch/x86/include/asm/atomic64_32.h
-+++ b/arch/x86/include/asm/atomic64_32.h
-@@ -12,6 +12,14 @@ typedef struct {
- u64 __aligned(8) counter;
- } atomic64_t;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef struct {
-+ u64 __aligned(8) counter;
-+} atomic64_unchecked_t;
-+#else
-+typedef atomic64_t atomic64_unchecked_t;
-+#endif
-+
- #define ATOMIC64_INIT(val) { (val) }
-
- #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...)
-@@ -37,21 +45,31 @@ typedef struct {
- ATOMIC64_DECL_ONE(sym##_386)
-
- ATOMIC64_DECL_ONE(add_386);
-+ATOMIC64_DECL_ONE(add_unchecked_386);
- ATOMIC64_DECL_ONE(sub_386);
-+ATOMIC64_DECL_ONE(sub_unchecked_386);
- ATOMIC64_DECL_ONE(inc_386);
-+ATOMIC64_DECL_ONE(inc_unchecked_386);
- ATOMIC64_DECL_ONE(dec_386);
-+ATOMIC64_DECL_ONE(dec_unchecked_386);
- #endif
-
- #define alternative_atomic64(f, out, in...) \
- __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in)
-
- ATOMIC64_DECL(read);
-+ATOMIC64_DECL(read_unchecked);
- ATOMIC64_DECL(set);
-+ATOMIC64_DECL(set_unchecked);
- ATOMIC64_DECL(xchg);
- ATOMIC64_DECL(add_return);
-+ATOMIC64_DECL(add_return_unchecked);
- ATOMIC64_DECL(sub_return);
-+ATOMIC64_DECL(sub_return_unchecked);
- ATOMIC64_DECL(inc_return);
-+ATOMIC64_DECL(inc_return_unchecked);
- ATOMIC64_DECL(dec_return);
-+ATOMIC64_DECL(dec_return_unchecked);
- ATOMIC64_DECL(dec_if_positive);
- ATOMIC64_DECL(inc_not_zero);
- ATOMIC64_DECL(add_unless);
-@@ -77,6 +95,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n
- }
-
- /**
-+ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable
-+ * @p: pointer to type atomic64_unchecked_t
-+ * @o: expected value
-+ * @n: new value
-+ *
-+ * Atomically sets @v to @n if it was equal to @o and returns
-+ * the old value.
-+ */
-+
-+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n)
-+{
-+ return cmpxchg64(&v->counter, o, n);
-+}
-+
-+/**
- * atomic64_xchg - xchg atomic64 variable
- * @v: pointer to type atomic64_t
- * @n: value to assign
-@@ -112,6 +145,22 @@ static inline void atomic64_set(atomic64_t *v, long long i)
- }
-
- /**
-+ * atomic64_set_unchecked - set atomic64 variable
-+ * @v: pointer to type atomic64_unchecked_t
-+ * @n: value to assign
-+ *
-+ * Atomically sets the value of @v to @n.
-+ */
-+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i)
-+{
-+ unsigned high = (unsigned)(i >> 32);
-+ unsigned low = (unsigned)i;
-+ alternative_atomic64(set, /* no output */,
-+ "S" (v), "b" (low), "c" (high)
-+ : "eax", "edx", "memory");
-+}
-+
-+/**
- * atomic64_read - read atomic64 variable
- * @v: pointer to type atomic64_t
- *
-@@ -125,6 +174,19 @@ static inline long long atomic64_read(const atomic64_t *v)
- }
-
- /**
-+ * atomic64_read_unchecked - read atomic64 variable
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically reads the value of @v and returns it.
-+ */
-+static inline long long atomic64_read_unchecked(atomic64_unchecked_t *v)
-+{
-+ long long r;
-+ alternative_atomic64(read, "=&A" (r), "c" (v) : "memory");
-+ return r;
-+ }
-+
-+/**
- * atomic64_add_return - add and return
- * @i: integer value to add
- * @v: pointer to type atomic64_t
-@@ -139,6 +201,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v)
- return i;
- }
-
-+/**
-+ * atomic64_add_return_unchecked - add and return
-+ * @i: integer value to add
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically adds @i to @v and returns @i + *@v
-+ */
-+static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v)
-+{
-+ alternative_atomic64(add_return_unchecked,
-+ ASM_OUTPUT2("+A" (i), "+c" (v)),
-+ ASM_NO_INPUT_CLOBBER("memory"));
-+ return i;
-+}
-+
- /*
- * Other variants with different arithmetic operators:
- */
-@@ -158,6 +235,14 @@ static inline long long atomic64_inc_return(atomic64_t *v)
- return a;
- }
-
-+static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
-+{
-+ long long a;
-+ alternative_atomic64(inc_return_unchecked, "=&A" (a),
-+ "S" (v) : "memory", "ecx");
-+ return a;
-+}
-+
- static inline long long atomic64_dec_return(atomic64_t *v)
- {
- long long a;
-@@ -182,6 +267,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v)
- }
-
- /**
-+ * atomic64_add_unchecked - add integer to atomic64 variable
-+ * @i: integer value to add
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically adds @i to @v.
-+ */
-+static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v)
-+{
-+ __alternative_atomic64(add_unchecked, add_return_unchecked,
-+ ASM_OUTPUT2("+A" (i), "+c" (v)),
-+ ASM_NO_INPUT_CLOBBER("memory"));
-+ return i;
-+}
-+
-+/**
- * atomic64_sub - subtract the atomic64 variable
- * @i: integer value to subtract
- * @v: pointer to type atomic64_t
-diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
-index 0e1cbfc..5623683 100644
---- a/arch/x86/include/asm/atomic64_64.h
-+++ b/arch/x86/include/asm/atomic64_64.h
-@@ -18,7 +18,19 @@
- */
- static inline long atomic64_read(const atomic64_t *v)
- {
-- return (*(volatile long *)&(v)->counter);
-+ return (*(volatile const long *)&(v)->counter);
-+}
-+
-+/**
-+ * atomic64_read_unchecked - read atomic64 variable
-+ * @v: pointer of type atomic64_unchecked_t
-+ *
-+ * Atomically reads the value of @v.
-+ * Doesn't imply a read memory barrier.
-+ */
-+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
-+{
-+ return (*(volatile const long *)&(v)->counter);
- }
-
- /**
-@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i)
- }
-
- /**
-+ * atomic64_set_unchecked - set atomic64 variable
-+ * @v: pointer to type atomic64_unchecked_t
-+ * @i: required value
-+ *
-+ * Atomically sets the value of @v to @i.
-+ */
-+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
-+{
-+ v->counter = i;
-+}
-+
-+/**
- * atomic64_add - add integer to atomic64 variable
- * @i: integer value to add
- * @v: pointer to type atomic64_t
-@@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64_t *v, long i)
- */
- static inline void atomic64_add(long i, atomic64_t *v)
- {
-+ asm volatile(LOCK_PREFIX "addq %1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "subq %1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=m" (v->counter)
-+ : "er" (i), "m" (v->counter));
-+}
-+
-+/**
-+ * atomic64_add_unchecked - add integer to atomic64 variable
-+ * @i: integer value to add
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically adds @i to @v.
-+ */
-+static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v)
-+{
- asm volatile(LOCK_PREFIX "addq %1,%0"
- : "=m" (v->counter)
- : "er" (i), "m" (v->counter));
-@@ -56,7 +102,29 @@ static inline void atomic64_add(long i, atomic64_t *v)
- */
- static inline void atomic64_sub(long i, atomic64_t *v)
- {
-- asm volatile(LOCK_PREFIX "subq %1,%0"
-+ asm volatile(LOCK_PREFIX "subq %1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "addq %1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=m" (v->counter)
-+ : "er" (i), "m" (v->counter));
-+}
-+
-+/**
-+ * atomic64_sub_unchecked - subtract the atomic64 variable
-+ * @i: integer value to subtract
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically subtracts @i from @v.
-+ */
-+static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "subq %1,%0\n"
- : "=m" (v->counter)
- : "er" (i), "m" (v->counter));
- }
-@@ -74,7 +142,16 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "subq %2,%0; sete %1"
-+ asm volatile(LOCK_PREFIX "subq %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "addq %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "=m" (v->counter), "=qm" (c)
- : "er" (i), "m" (v->counter) : "memory");
- return c;
-@@ -88,6 +165,27 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v)
- */
- static inline void atomic64_inc(atomic64_t *v)
- {
-+ asm volatile(LOCK_PREFIX "incq %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "decq %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=m" (v->counter)
-+ : "m" (v->counter));
-+}
-+
-+/**
-+ * atomic64_inc_unchecked - increment atomic64 variable
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically increments @v by 1.
-+ */
-+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
-+{
- asm volatile(LOCK_PREFIX "incq %0"
- : "=m" (v->counter)
- : "m" (v->counter));
-@@ -101,7 +199,28 @@ static inline void atomic64_inc(atomic64_t *v)
- */
- static inline void atomic64_dec(atomic64_t *v)
- {
-- asm volatile(LOCK_PREFIX "decq %0"
-+ asm volatile(LOCK_PREFIX "decq %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "incq %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=m" (v->counter)
-+ : "m" (v->counter));
-+}
-+
-+/**
-+ * atomic64_dec_unchecked - decrement atomic64 variable
-+ * @v: pointer to type atomic64_t
-+ *
-+ * Atomically decrements @v by 1.
-+ */
-+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
-+{
-+ asm volatile(LOCK_PREFIX "decq %0\n"
- : "=m" (v->counter)
- : "m" (v->counter));
- }
-@@ -118,7 +237,16 @@ static inline int atomic64_dec_and_test(atomic64_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "decq %0; sete %1"
-+ asm volatile(LOCK_PREFIX "decq %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "incq %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "=m" (v->counter), "=qm" (c)
- : "m" (v->counter) : "memory");
- return c != 0;
-@@ -136,7 +264,16 @@ static inline int atomic64_inc_and_test(atomic64_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "incq %0; sete %1"
-+ asm volatile(LOCK_PREFIX "incq %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "decq %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "=m" (v->counter), "=qm" (c)
- : "m" (v->counter) : "memory");
- return c != 0;
-@@ -155,7 +292,16 @@ static inline int atomic64_add_negative(long i, atomic64_t *v)
- {
- unsigned char c;
-
-- asm volatile(LOCK_PREFIX "addq %2,%0; sets %1"
-+ asm volatile(LOCK_PREFIX "addq %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX "subq %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sets %1\n"
- : "=m" (v->counter), "=qm" (c)
- : "er" (i), "m" (v->counter) : "memory");
- return c;
-@@ -170,6 +316,18 @@ static inline int atomic64_add_negative(long i, atomic64_t *v)
- */
- static inline long atomic64_add_return(long i, atomic64_t *v)
- {
-+ return i + xadd_check_overflow(&v->counter, i);
-+}
-+
-+/**
-+ * atomic64_add_return_unchecked - add and return
-+ * @i: integer value to add
-+ * @v: pointer to type atomic64_unchecked_t
-+ *
-+ * Atomically adds @i to @v and returns @i + @v
-+ */
-+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v)
-+{
- return i + xadd(&v->counter, i);
- }
-
-@@ -179,6 +337,10 @@ static inline long atomic64_sub_return(long i, atomic64_t *v)
- }
-
- #define atomic64_inc_return(v) (atomic64_add_return(1, (v)))
-+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
-+{
-+ return atomic64_add_return_unchecked(1, v);
-+}
- #define atomic64_dec_return(v) (atomic64_sub_return(1, (v)))
-
- static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
-@@ -186,6 +348,11 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
- return cmpxchg(&v->counter, old, new);
- }
-
-+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new)
-+{
-+ return cmpxchg(&v->counter, old, new);
-+}
-+
- static inline long atomic64_xchg(atomic64_t *v, long new)
- {
- return xchg(&v->counter, new);
-@@ -202,17 +369,30 @@ static inline long atomic64_xchg(atomic64_t *v, long new)
- */
- static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
- {
-- long c, old;
-+ long c, old, new;
- c = atomic64_read(v);
- for (;;) {
-- if (unlikely(c == (u)))
-+ if (unlikely(c == u))
- break;
-- old = atomic64_cmpxchg((v), c, c + (a));
-+
-+ asm volatile("add %2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "sub %2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ : "=r" (new)
-+ : "0" (c), "ir" (a));
-+
-+ old = atomic64_cmpxchg(v, c, new);
- if (likely(old == c))
- break;
- c = old;
- }
-- return c != (u);
-+ return c != u;
- }
-
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
-index a6983b2..63f48a2 100644
---- a/arch/x86/include/asm/bitops.h
-+++ b/arch/x86/include/asm/bitops.h
-@@ -40,7 +40,7 @@
- * a mask operation on a byte.
- */
- #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr))
--#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3))
-+#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3))
- #define CONST_MASK(nr) (1 << ((nr) & 7))
-
- /**
-diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
-index b13fe63..0dab13a 100644
---- a/arch/x86/include/asm/boot.h
-+++ b/arch/x86/include/asm/boot.h
-@@ -11,10 +11,15 @@
- #include <asm/pgtable_types.h>
-
- /* Physical address where kernel should be loaded. */
--#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
-+#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
- + (CONFIG_PHYSICAL_ALIGN - 1)) \
- & ~(CONFIG_PHYSICAL_ALIGN - 1))
-
-+#ifndef __ASSEMBLY__
-+extern unsigned char __LOAD_PHYSICAL_ADDR[];
-+#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR)
-+#endif
-+
- /* Minimum kernel alignment, as a power of two */
- #ifdef CONFIG_X86_64
- #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
-diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
-index 48f99f1..d78ebf9 100644
---- a/arch/x86/include/asm/cache.h
-+++ b/arch/x86/include/asm/cache.h
-@@ -5,12 +5,13 @@
-
- /* L1 cache line size */
- #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
-
- #define __read_mostly __attribute__((__section__(".data..read_mostly")))
-+#define __read_only __attribute__((__section__(".data..read_only")))
-
- #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
--#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
-+#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT)
-
- #ifdef CONFIG_X86_VSMP
- #ifdef CONFIG_SMP
-diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
-index 9863ee3..4a1f8e1 100644
---- a/arch/x86/include/asm/cacheflush.h
-+++ b/arch/x86/include/asm/cacheflush.h
-@@ -27,7 +27,7 @@ static inline unsigned long get_page_memtype(struct page *pg)
- unsigned long pg_flags = pg->flags & _PGMT_MASK;
-
- if (pg_flags == _PGMT_DEFAULT)
-- return -1;
-+ return ~0UL;
- else if (pg_flags == _PGMT_WC)
- return _PAGE_CACHE_WC;
- else if (pg_flags == _PGMT_UC_MINUS)
-diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
-index 46fc474..b02b0f9 100644
---- a/arch/x86/include/asm/checksum_32.h
-+++ b/arch/x86/include/asm/checksum_32.h
-@@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
- int len, __wsum sum,
- int *src_err_ptr, int *dst_err_ptr);
-
-+asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst,
-+ int len, __wsum sum,
-+ int *src_err_ptr, int *dst_err_ptr);
-+
-+asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst,
-+ int len, __wsum sum,
-+ int *src_err_ptr, int *dst_err_ptr);
-+
- /*
- * Note: when you get a NULL pointer exception here this means someone
- * passed in an incorrect kernel address to one of these functions.
-@@ -50,7 +58,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src,
- int *err_ptr)
- {
- might_sleep();
-- return csum_partial_copy_generic((__force void *)src, dst,
-+ return csum_partial_copy_generic_from_user((__force void *)src, dst,
- len, sum, err_ptr, NULL);
- }
-
-@@ -178,7 +186,7 @@ static inline __wsum csum_and_copy_to_user(const void *src,
- {
- might_sleep();
- if (access_ok(VERIFY_WRITE, dst, len))
-- return csum_partial_copy_generic(src, (__force void *)dst,
-+ return csum_partial_copy_generic_to_user(src, (__force void *)dst,
- len, sum, NULL, err_ptr);
-
- if (len)
-diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
-index 99480e5..d81165b 100644
---- a/arch/x86/include/asm/cmpxchg.h
-+++ b/arch/x86/include/asm/cmpxchg.h
-@@ -14,8 +14,12 @@ extern void __cmpxchg_wrong_size(void)
- __compiletime_error("Bad argument size for cmpxchg");
- extern void __xadd_wrong_size(void)
- __compiletime_error("Bad argument size for xadd");
-+extern void __xadd_check_overflow_wrong_size(void)
-+ __compiletime_error("Bad argument size for xadd_check_overflow");
- extern void __add_wrong_size(void)
- __compiletime_error("Bad argument size for add");
-+extern void __add_check_overflow_wrong_size(void)
-+ __compiletime_error("Bad argument size for add_check_overflow");
-
- /*
- * Constants for operation sizes. On 32-bit, the 64-bit size it set to
-@@ -67,6 +71,34 @@ extern void __add_wrong_size(void)
- __ret; \
- })
-
-+#define __xchg_op_check_overflow(ptr, arg, op, lock) \
-+ ({ \
-+ __typeof__ (*(ptr)) __ret = (arg); \
-+ switch (sizeof(*(ptr))) { \
-+ case __X86_CASE_L: \
-+ asm volatile (lock #op "l %0, %1\n" \
-+ "jno 0f\n" \
-+ "mov %0,%1\n" \
-+ "int $4\n0:\n" \
-+ _ASM_EXTABLE(0b, 0b) \
-+ : "+r" (__ret), "+m" (*(ptr)) \
-+ : : "memory", "cc"); \
-+ break; \
-+ case __X86_CASE_Q: \
-+ asm volatile (lock #op "q %q0, %1\n" \
-+ "jno 0f\n" \
-+ "mov %0,%1\n" \
-+ "int $4\n0:\n" \
-+ _ASM_EXTABLE(0b, 0b) \
-+ : "+r" (__ret), "+m" (*(ptr)) \
-+ : : "memory", "cc"); \
-+ break; \
-+ default: \
-+ __ ## op ## _check_overflow_wrong_size(); \
-+ } \
-+ __ret; \
-+ })
-+
- /*
- * Note: no "lock" prefix even on SMP: xchg always implies lock anyway.
- * Since this is generally used to protect other memory information, we
-@@ -167,6 +199,9 @@ extern void __add_wrong_size(void)
- #define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ")
- #define xadd_local(ptr, inc) __xadd((ptr), (inc), "")
-
-+#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock)
-+#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX)
-+
- #define __add(ptr, inc, lock) \
- ({ \
- __typeof__ (*(ptr)) __ret = (inc); \
-diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
-index f91e80f..7f9bd27 100644
---- a/arch/x86/include/asm/cpufeature.h
-+++ b/arch/x86/include/asm/cpufeature.h
-@@ -371,7 +371,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
- ".section .discard,\"aw\",@progbits\n"
- " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
- ".previous\n"
-- ".section .altinstr_replacement,\"ax\"\n"
-+ ".section .altinstr_replacement,\"a\"\n"
- "3: movb $1,%0\n"
- "4:\n"
- ".previous\n"
-diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
-index 8bf1c06..f723dfd 100644
---- a/arch/x86/include/asm/desc.h
-+++ b/arch/x86/include/asm/desc.h
-@@ -4,6 +4,7 @@
- #include <asm/desc_defs.h>
- #include <asm/ldt.h>
- #include <asm/mmu.h>
-+#include <asm/pgtable.h>
-
- #include <linux/smp.h>
- #include <linux/percpu.h>
-@@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
-
- desc->type = (info->read_exec_only ^ 1) << 1;
- desc->type |= info->contents << 2;
-+ desc->type |= info->seg_not_present ^ 1;
-
- desc->s = 1;
- desc->dpl = 0x3;
-@@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
- }
-
- extern struct desc_ptr idt_descr;
--extern gate_desc idt_table[];
- extern struct desc_ptr nmi_idt_descr;
--extern gate_desc nmi_idt_table[];
--
--struct gdt_page {
-- struct desc_struct gdt[GDT_ENTRIES];
--} __attribute__((aligned(PAGE_SIZE)));
--
--DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page);
-+extern gate_desc idt_table[256];
-+extern gate_desc nmi_idt_table[256];
-
-+extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)];
- static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
- {
-- return per_cpu(gdt_page, cpu).gdt;
-+ return cpu_gdt_table[cpu];
- }
-
- #ifdef CONFIG_X86_64
-@@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type,
- unsigned long base, unsigned dpl, unsigned flags,
- unsigned short seg)
- {
-- gate->a = (seg << 16) | (base & 0xffff);
-- gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8);
-+ gate->gate.offset_low = base;
-+ gate->gate.seg = seg;
-+ gate->gate.reserved = 0;
-+ gate->gate.type = type;
-+ gate->gate.s = 0;
-+ gate->gate.dpl = dpl;
-+ gate->gate.p = 1;
-+ gate->gate.offset_high = base >> 16;
- }
-
- #endif
-@@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
-
- static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate)
- {
-+ pax_open_kernel();
- memcpy(&idt[entry], gate, sizeof(*gate));
-+ pax_close_kernel();
- }
-
- static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc)
- {
-+ pax_open_kernel();
- memcpy(&ldt[entry], desc, 8);
-+ pax_close_kernel();
- }
-
- static inline void
-@@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int
- default: size = sizeof(*gdt); break;
- }
-
-+ pax_open_kernel();
- memcpy(&gdt[entry], desc, size);
-+ pax_close_kernel();
- }
-
- static inline void pack_descriptor(struct desc_struct *desc, unsigned long base,
-@@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
-
- static inline void native_load_tr_desc(void)
- {
-+ pax_open_kernel();
- asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8));
-+ pax_close_kernel();
- }
-
- static inline void native_load_gdt(const struct desc_ptr *dtr)
-@@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
- struct desc_struct *gdt = get_cpu_gdt_table(cpu);
- unsigned int i;
-
-+ pax_open_kernel();
- for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
- gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i];
-+ pax_close_kernel();
- }
-
- #define _LDT_empty(info) \
-@@ -311,7 +324,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit)
- }
-
- #ifdef CONFIG_X86_64
--static inline void set_nmi_gate(int gate, void *addr)
-+static inline void set_nmi_gate(int gate, const void *addr)
- {
- gate_desc s;
-
-@@ -320,7 +333,7 @@ static inline void set_nmi_gate(int gate, void *addr)
- }
- #endif
-
--static inline void _set_gate(int gate, unsigned type, void *addr,
-+static inline void _set_gate(int gate, unsigned type, const void *addr,
- unsigned dpl, unsigned ist, unsigned seg)
- {
- gate_desc s;
-@@ -339,7 +352,7 @@ static inline void _set_gate(int gate, unsigned type, void *addr,
- * Pentium F0 0F bugfix can have resulted in the mapped
- * IDT being write-protected.
- */
--static inline void set_intr_gate(unsigned int n, void *addr)
-+static inline void set_intr_gate(unsigned int n, const void *addr)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS);
-@@ -369,19 +382,19 @@ static inline void alloc_intr_gate(unsigned int n, void *addr)
- /*
- * This routine sets up an interrupt gate at directory privilege level 3.
- */
--static inline void set_system_intr_gate(unsigned int n, void *addr)
-+static inline void set_system_intr_gate(unsigned int n, const void *addr)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS);
- }
-
--static inline void set_system_trap_gate(unsigned int n, void *addr)
-+static inline void set_system_trap_gate(unsigned int n, const void *addr)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS);
- }
-
--static inline void set_trap_gate(unsigned int n, void *addr)
-+static inline void set_trap_gate(unsigned int n, const void *addr)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS);
-@@ -390,19 +403,31 @@ static inline void set_trap_gate(unsigned int n, void *addr)
- static inline void set_task_gate(unsigned int n, unsigned int gdt_entry)
- {
- BUG_ON((unsigned)n > 0xFF);
-- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3));
-+ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3));
- }
-
--static inline void set_intr_gate_ist(int n, void *addr, unsigned ist)
-+static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS);
- }
-
--static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist)
-+static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist)
- {
- BUG_ON((unsigned)n > 0xFF);
- _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS);
- }
-
-+#ifdef CONFIG_X86_32
-+static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu)
-+{
-+ struct desc_struct d;
-+
-+ if (likely(limit))
-+ limit = (limit - 1UL) >> PAGE_SHIFT;
-+ pack_descriptor(&d, base, limit, 0xFB, 0xC);
-+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S);
-+}
-+#endif
-+
- #endif /* _ASM_X86_DESC_H */
-diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
-index 278441f..b95a174 100644
---- a/arch/x86/include/asm/desc_defs.h
-+++ b/arch/x86/include/asm/desc_defs.h
-@@ -31,6 +31,12 @@ struct desc_struct {
- unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1;
- unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8;
- };
-+ struct {
-+ u16 offset_low;
-+ u16 seg;
-+ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1;
-+ unsigned offset_high: 16;
-+ } gate;
- };
- } __attribute__((packed));
-
-diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
-index 3778256..c5d4fce 100644
---- a/arch/x86/include/asm/e820.h
-+++ b/arch/x86/include/asm/e820.h
-@@ -69,7 +69,7 @@ struct e820map {
- #define ISA_START_ADDRESS 0xa0000
- #define ISA_END_ADDRESS 0x100000
-
--#define BIOS_BEGIN 0x000a0000
-+#define BIOS_BEGIN 0x000c0000
- #define BIOS_END 0x00100000
-
- #define BIOS_ROM_BASE 0xffe00000
-diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
-index 5939f44..f8845f6 100644
---- a/arch/x86/include/asm/elf.h
-+++ b/arch/x86/include/asm/elf.h
-@@ -243,7 +243,25 @@ extern int force_personality32;
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2)
-+#else
- #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-+#endif
-+
-+#ifdef CONFIG_PAX_ASLR
-+#ifdef CONFIG_X86_32
-+#define PAX_ELF_ET_DYN_BASE 0x10000000UL
-+
-+#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
-+#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
-+#else
-+#define PAX_ELF_ET_DYN_BASE 0x400000UL
-+
-+#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
-+#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
-+#endif
-+#endif
-
- /* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. This could be done in user space,
-@@ -296,16 +314,12 @@ do { \
-
- #define ARCH_DLINFO \
- do { \
-- if (vdso_enabled) \
-- NEW_AUX_ENT(AT_SYSINFO_EHDR, \
-- (unsigned long)current->mm->context.vdso); \
-+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
- } while (0)
-
- #define ARCH_DLINFO_X32 \
- do { \
-- if (vdso_enabled) \
-- NEW_AUX_ENT(AT_SYSINFO_EHDR, \
-- (unsigned long)current->mm->context.vdso); \
-+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
- } while (0)
-
- #define AT_SYSINFO 32
-@@ -320,7 +334,7 @@ else \
-
- #endif /* !CONFIG_X86_32 */
-
--#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
-+#define VDSO_CURRENT_BASE (current->mm->context.vdso)
-
- #define VDSO_ENTRY \
- ((unsigned long)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall))
-@@ -336,9 +350,6 @@ extern int x32_setup_additional_pages(struct linux_binprm *bprm,
- extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
- #define compat_arch_setup_additional_pages syscall32_setup_pages
-
--extern unsigned long arch_randomize_brk(struct mm_struct *mm);
--#define arch_randomize_brk arch_randomize_brk
--
- /*
- * True on X86_32 or when emulating IA32 on X86_64
- */
-diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
-index cc70c1c..d96d011 100644
---- a/arch/x86/include/asm/emergency-restart.h
-+++ b/arch/x86/include/asm/emergency-restart.h
-@@ -15,6 +15,6 @@ enum reboot_type {
-
- extern enum reboot_type reboot_type;
-
--extern void machine_emergency_restart(void);
-+extern void machine_emergency_restart(void) __noreturn;
-
- #endif /* _ASM_X86_EMERGENCY_RESTART_H */
-diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
-index 75f4c6d..ee3eb8f 100644
---- a/arch/x86/include/asm/fpu-internal.h
-+++ b/arch/x86/include/asm/fpu-internal.h
-@@ -86,6 +86,11 @@ static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
- {
- int err;
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
-+ fx = (struct i387_fxsave_struct __user *)((void *)fx + PAX_USER_SHADOW_BASE);
-+#endif
-+
- /* See comment in fxsave() below. */
- #ifdef CONFIG_AS_FXSAVEQ
- asm volatile("1: fxrstorq %[fx]\n\t"
-@@ -115,6 +120,11 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
- {
- int err;
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
-+ fx = (struct i387_fxsave_struct __user *)((void __user *)fx + PAX_USER_SHADOW_BASE);
-+#endif
-+
- /*
- * Clear the bytes not touched by the fxsave and reserved
- * for the SW usage.
-@@ -271,7 +281,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
- "emms\n\t" /* clear stack tags */
- "fildl %P[addr]", /* set F?P to defined value */
- X86_FEATURE_FXSAVE_LEAK,
-- [addr] "m" (tsk->thread.fpu.has_fpu));
-+ [addr] "m" (init_tss[smp_processor_id()].x86_tss.sp0));
-
- return fpu_restore_checking(&tsk->thread.fpu);
- }
-diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
-index 71ecbcb..bac10b7 100644
---- a/arch/x86/include/asm/futex.h
-+++ b/arch/x86/include/asm/futex.h
-@@ -11,16 +11,18 @@
- #include <asm/processor.h>
-
- #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
-+ typecheck(u32 __user *, uaddr); \
- asm volatile("1:\t" insn "\n" \
- "2:\t.section .fixup,\"ax\"\n" \
- "3:\tmov\t%3, %1\n" \
- "\tjmp\t2b\n" \
- "\t.previous\n" \
- _ASM_EXTABLE(1b, 3b) \
-- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \
-+ : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr))\
- : "i" (-EFAULT), "0" (oparg), "1" (0))
-
- #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
-+ typecheck(u32 __user *, uaddr); \
- asm volatile("1:\tmovl %2, %0\n" \
- "\tmovl\t%0, %3\n" \
- "\t" insn "\n" \
-@@ -33,7 +35,7 @@
- _ASM_EXTABLE(1b, 4b) \
- _ASM_EXTABLE(2b, 4b) \
- : "=&a" (oldval), "=&r" (ret), \
-- "+m" (*uaddr), "=&r" (tem) \
-+ "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \
- : "r" (oparg), "i" (-EFAULT), "1" (0))
-
- static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
-@@ -60,10 +62,10 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
-
- switch (op) {
- case FUTEX_OP_SET:
-- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
-+ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg);
- break;
- case FUTEX_OP_ADD:
-- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
-+ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval,
- uaddr, oparg);
- break;
- case FUTEX_OP_OR:
-@@ -122,13 +124,13 @@ static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
- return -EFAULT;
-
-- asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n"
-+ asm volatile("1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"
- "2:\t.section .fixup, \"ax\"\n"
- "3:\tmov %3, %0\n"
- "\tjmp 2b\n"
- "\t.previous\n"
- _ASM_EXTABLE(1b, 3b)
-- : "+r" (ret), "=a" (oldval), "+m" (*uaddr)
-+ : "+r" (ret), "=a" (oldval), "+m" (*(u32 __user *)____m(uaddr))
- : "i" (-EFAULT), "r" (newval), "1" (oldval)
- : "memory"
- );
-diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
-index eb92a6e..b98b2f4 100644
---- a/arch/x86/include/asm/hw_irq.h
-+++ b/arch/x86/include/asm/hw_irq.h
-@@ -136,8 +136,8 @@ extern void setup_ioapic_dest(void);
- extern void enable_IO_APIC(void);
-
- /* Statistics */
--extern atomic_t irq_err_count;
--extern atomic_t irq_mis_count;
-+extern atomic_unchecked_t irq_err_count;
-+extern atomic_unchecked_t irq_mis_count;
-
- /* EISA */
- extern void eisa_set_level_irq(unsigned int irq);
-diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
-index d8e8eef..99f81ae 100644
---- a/arch/x86/include/asm/io.h
-+++ b/arch/x86/include/asm/io.h
-@@ -194,6 +194,17 @@ extern void set_iounmap_nonlazy(void);
-
- #include <linux/vmalloc.h>
-
-+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
-+static inline int valid_phys_addr_range(unsigned long addr, size_t count)
-+{
-+ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
-+}
-+
-+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count)
-+{
-+ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
-+}
-+
- /*
- * Convert a virtual cached pointer to an uncached pointer
- */
-diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
-index bba3cf8..06bc8da 100644
---- a/arch/x86/include/asm/irqflags.h
-+++ b/arch/x86/include/asm/irqflags.h
-@@ -141,6 +141,11 @@ static inline notrace unsigned long arch_local_irq_save(void)
- sti; \
- sysexit
-
-+#define GET_CR0_INTO_RDI mov %cr0, %rdi
-+#define SET_RDI_INTO_CR0 mov %rdi, %cr0
-+#define GET_CR3_INTO_RDI mov %cr3, %rdi
-+#define SET_RDI_INTO_CR3 mov %rdi, %cr3
-+
- #else
- #define INTERRUPT_RETURN iret
- #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
-diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
-index 5478825..839e88c 100644
---- a/arch/x86/include/asm/kprobes.h
-+++ b/arch/x86/include/asm/kprobes.h
-@@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t;
- #define RELATIVEJUMP_SIZE 5
- #define RELATIVECALL_OPCODE 0xe8
- #define RELATIVE_ADDR_SIZE 4
--#define MAX_STACK_SIZE 64
--#define MIN_STACK_SIZE(ADDR) \
-- (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
-- THREAD_SIZE - (unsigned long)(ADDR))) \
-- ? (MAX_STACK_SIZE) \
-- : (((unsigned long)current_thread_info()) + \
-- THREAD_SIZE - (unsigned long)(ADDR)))
-+#define MAX_STACK_SIZE 64UL
-+#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR))
-
- #define flush_insn_slot(p) do { } while (0)
-
-diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
-index db7c1f2..92f130a 100644
---- a/arch/x86/include/asm/kvm_host.h
-+++ b/arch/x86/include/asm/kvm_host.h
-@@ -680,7 +680,7 @@ struct kvm_x86_ops {
- int (*check_intercept)(struct kvm_vcpu *vcpu,
- struct x86_instruction_info *info,
- enum x86_intercept_stage stage);
--};
-+} __do_const;
-
- struct kvm_arch_async_pf {
- u32 token;
-diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
-index c8bed0d..e5721fa 100644
---- a/arch/x86/include/asm/local.h
-+++ b/arch/x86/include/asm/local.h
-@@ -17,26 +17,58 @@ typedef struct {
-
- static inline void local_inc(local_t *l)
- {
-- asm volatile(_ASM_INC "%0"
-+ asm volatile(_ASM_INC "%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_DEC "%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (l->a.counter));
- }
-
- static inline void local_dec(local_t *l)
- {
-- asm volatile(_ASM_DEC "%0"
-+ asm volatile(_ASM_DEC "%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_INC "%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (l->a.counter));
- }
-
- static inline void local_add(long i, local_t *l)
- {
-- asm volatile(_ASM_ADD "%1,%0"
-+ asm volatile(_ASM_ADD "%1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_SUB "%1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (l->a.counter)
- : "ir" (i));
- }
-
- static inline void local_sub(long i, local_t *l)
- {
-- asm volatile(_ASM_SUB "%1,%0"
-+ asm volatile(_ASM_SUB "%1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_ADD "%1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (l->a.counter)
- : "ir" (i));
- }
-@@ -54,7 +86,16 @@ static inline int local_sub_and_test(long i, local_t *l)
- {
- unsigned char c;
-
-- asm volatile(_ASM_SUB "%2,%0; sete %1"
-+ asm volatile(_ASM_SUB "%2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_ADD "%2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "+m" (l->a.counter), "=qm" (c)
- : "ir" (i) : "memory");
- return c;
-@@ -72,7 +113,16 @@ static inline int local_dec_and_test(local_t *l)
- {
- unsigned char c;
-
-- asm volatile(_ASM_DEC "%0; sete %1"
-+ asm volatile(_ASM_DEC "%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_INC "%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "+m" (l->a.counter), "=qm" (c)
- : : "memory");
- return c != 0;
-@@ -90,7 +140,16 @@ static inline int local_inc_and_test(local_t *l)
- {
- unsigned char c;
-
-- asm volatile(_ASM_INC "%0; sete %1"
-+ asm volatile(_ASM_INC "%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_DEC "%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sete %1\n"
- : "+m" (l->a.counter), "=qm" (c)
- : : "memory");
- return c != 0;
-@@ -109,7 +168,16 @@ static inline int local_add_negative(long i, local_t *l)
- {
- unsigned char c;
-
-- asm volatile(_ASM_ADD "%2,%0; sets %1"
-+ asm volatile(_ASM_ADD "%2,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_SUB "%2,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+ "sets %1\n"
- : "+m" (l->a.counter), "=qm" (c)
- : "ir" (i) : "memory");
- return c;
-@@ -132,7 +200,15 @@ static inline long local_add_return(long i, local_t *l)
- #endif
- /* Modern 486+ processor */
- __i = i;
-- asm volatile(_ASM_XADD "%0, %1;"
-+ asm volatile(_ASM_XADD "%0, %1\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ _ASM_MOV "%0,%1\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+r" (i), "+m" (l->a.counter)
- : : "memory");
- return i + __i;
-diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h
-index 593e51d..fa69c9a 100644
---- a/arch/x86/include/asm/mman.h
-+++ b/arch/x86/include/asm/mman.h
-@@ -5,4 +5,14 @@
-
- #include <asm-generic/mman.h>
-
-+#ifdef __KERNEL__
-+#ifndef __ASSEMBLY__
-+#ifdef CONFIG_X86_32
-+#define arch_mmap_check i386_mmap_check
-+int i386_mmap_check(unsigned long addr, unsigned long len,
-+ unsigned long flags);
-+#endif
-+#endif
-+#endif
-+
- #endif /* _ASM_X86_MMAN_H */
-diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
-index 5f55e69..e20bfb1 100644
---- a/arch/x86/include/asm/mmu.h
-+++ b/arch/x86/include/asm/mmu.h
-@@ -9,7 +9,7 @@
- * we put the segment information here.
- */
- typedef struct {
-- void *ldt;
-+ struct desc_struct *ldt;
- int size;
-
- #ifdef CONFIG_X86_64
-@@ -18,7 +18,19 @@ typedef struct {
- #endif
-
- struct mutex lock;
-- void *vdso;
-+ unsigned long vdso;
-+
-+#ifdef CONFIG_X86_32
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ unsigned long user_cs_base;
-+ unsigned long user_cs_limit;
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
-+ cpumask_t cpu_user_cs_mask;
-+#endif
-+
-+#endif
-+#endif
- } mm_context_t;
-
- #ifdef CONFIG_SMP
-diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
-index cdbf367..adb37ac 100644
---- a/arch/x86/include/asm/mmu_context.h
-+++ b/arch/x86/include/asm/mmu_context.h
-@@ -24,6 +24,18 @@ void destroy_context(struct mm_struct *mm);
-
- static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
- {
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ unsigned int i;
-+ pgd_t *pgd;
-+
-+ pax_open_kernel();
-+ pgd = get_cpu_pgd(smp_processor_id());
-+ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i)
-+ set_pgd_batched(pgd+i, native_make_pgd(0));
-+ pax_close_kernel();
-+#endif
-+
- #ifdef CONFIG_SMP
- if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK)
- this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY);
-@@ -34,16 +46,30 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- struct task_struct *tsk)
- {
- unsigned cpu = smp_processor_id();
-+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
-+ int tlbstate = TLBSTATE_OK;
-+#endif
-
- if (likely(prev != next)) {
- #ifdef CONFIG_SMP
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
-+ tlbstate = this_cpu_read(cpu_tlbstate.state);
-+#endif
- this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
- this_cpu_write(cpu_tlbstate.active_mm, next);
- #endif
- cpumask_set_cpu(cpu, mm_cpumask(next));
-
- /* Re-load page tables */
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ pax_open_kernel();
-+ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd);
-+ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd);
-+ pax_close_kernel();
-+ load_cr3(get_cpu_pgd(cpu));
-+#else
- load_cr3(next->pgd);
-+#endif
-
- /* stop flush ipis for the previous mm */
- cpumask_clear_cpu(cpu, mm_cpumask(prev));
-@@ -53,9 +79,38 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- */
- if (unlikely(prev->context.ldt != next->context.ldt))
- load_LDT_nolock(&next->context);
-- }
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
-+ if (!(__supported_pte_mask & _PAGE_NX)) {
-+ smp_mb__before_clear_bit();
-+ cpu_clear(cpu, prev->context.cpu_user_cs_mask);
-+ smp_mb__after_clear_bit();
-+ cpu_set(cpu, next->context.cpu_user_cs_mask);
-+ }
-+#endif
-+
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
-+ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base ||
-+ prev->context.user_cs_limit != next->context.user_cs_limit))
-+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
- #ifdef CONFIG_SMP
-+ else if (unlikely(tlbstate != TLBSTATE_OK))
-+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
-+#endif
-+#endif
-+
-+ }
- else {
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ pax_open_kernel();
-+ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd);
-+ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd);
-+ pax_close_kernel();
-+ load_cr3(get_cpu_pgd(cpu));
-+#endif
-+
-+#ifdef CONFIG_SMP
- this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
- BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next);
-
-@@ -64,11 +119,28 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- * tlb flush IPI delivery. We must reload CR3
- * to make sure to use no freed page tables.
- */
-+
-+#ifndef CONFIG_PAX_PER_CPU_PGD
- load_cr3(next->pgd);
-+#endif
-+
- load_LDT_nolock(&next->context);
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
-+ if (!(__supported_pte_mask & _PAGE_NX))
-+ cpu_set(cpu, next->context.cpu_user_cs_mask);
-+#endif
-+
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX)))
-+#endif
-+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
-+#endif
-+
- }
-+#endif
- }
--#endif
- }
-
- #define activate_mm(prev, next) \
-diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
-index 9eae775..c914fea 100644
---- a/arch/x86/include/asm/module.h
-+++ b/arch/x86/include/asm/module.h
-@@ -5,6 +5,7 @@
-
- #ifdef CONFIG_X86_64
- /* X86_64 does not define MODULE_PROC_FAMILY */
-+#define MODULE_PROC_FAMILY ""
- #elif defined CONFIG_M386
- #define MODULE_PROC_FAMILY "386 "
- #elif defined CONFIG_M486
-@@ -59,8 +60,20 @@
- #error unknown processor family
- #endif
-
--#ifdef CONFIG_X86_32
--# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
-+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
-+#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS "
-+#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR)
-+#define MODULE_PAX_KERNEXEC "KERNEXEC_OR "
-+#else
-+#define MODULE_PAX_KERNEXEC ""
- #endif
-
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+#define MODULE_PAX_UDEREF "UDEREF "
-+#else
-+#define MODULE_PAX_UDEREF ""
-+#endif
-+
-+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF
-+
- #endif /* _ASM_X86_MODULE_H */
-diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
-index 320f7bb..e89f8f8 100644
---- a/arch/x86/include/asm/page_64_types.h
-+++ b/arch/x86/include/asm/page_64_types.h
-@@ -56,7 +56,7 @@ void copy_page(void *to, void *from);
-
- /* duplicated to the one in bootmem.h */
- extern unsigned long max_pfn;
--extern unsigned long phys_base;
-+extern const unsigned long phys_base;
-
- extern unsigned long __phys_addr(unsigned long);
- #define __phys_reloc_hide(x) (x)
-diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
-index 6cbbabf..11b3aed 100644
---- a/arch/x86/include/asm/paravirt.h
-+++ b/arch/x86/include/asm/paravirt.h
-@@ -668,6 +668,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd)
- val);
- }
-
-+static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
-+{
-+ pgdval_t val = native_pgd_val(pgd);
-+
-+ if (sizeof(pgdval_t) > sizeof(long))
-+ PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp,
-+ val, (u64)val >> 32);
-+ else
-+ PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp,
-+ val);
-+}
-+
- static inline void pgd_clear(pgd_t *pgdp)
- {
- set_pgd(pgdp, __pgd(0));
-@@ -749,6 +761,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
- pv_mmu_ops.set_fixmap(idx, phys, flags);
- }
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+static inline unsigned long pax_open_kernel(void)
-+{
-+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel);
-+}
-+
-+static inline unsigned long pax_close_kernel(void)
-+{
-+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel);
-+}
-+#else
-+static inline unsigned long pax_open_kernel(void) { return 0; }
-+static inline unsigned long pax_close_kernel(void) { return 0; }
-+#endif
-+
- #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
-
- static inline int arch_spin_is_locked(struct arch_spinlock *lock)
-@@ -965,7 +992,7 @@ extern void default_banner(void);
-
- #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4)
- #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4)
--#define PARA_INDIRECT(addr) *%cs:addr
-+#define PARA_INDIRECT(addr) *%ss:addr
- #endif
-
- #define INTERRUPT_RETURN \
-@@ -1040,6 +1067,21 @@ extern void default_banner(void);
- PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit), \
- CLBR_NONE, \
- jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit))
-+
-+#define GET_CR0_INTO_RDI \
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \
-+ mov %rax,%rdi
-+
-+#define SET_RDI_INTO_CR0 \
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
-+
-+#define GET_CR3_INTO_RDI \
-+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \
-+ mov %rax,%rdi
-+
-+#define SET_RDI_INTO_CR3 \
-+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3)
-+
- #endif /* CONFIG_X86_32 */
-
- #endif /* __ASSEMBLY__ */
-diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
-index 8e8b9a4..f07d725 100644
---- a/arch/x86/include/asm/paravirt_types.h
-+++ b/arch/x86/include/asm/paravirt_types.h
-@@ -84,20 +84,20 @@ struct pv_init_ops {
- */
- unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
- unsigned long addr, unsigned len);
--};
-+} __no_const;
-
-
- struct pv_lazy_ops {
- /* Set deferred update mode, used for batching operations. */
- void (*enter)(void);
- void (*leave)(void);
--};
-+} __no_const;
-
- struct pv_time_ops {
- unsigned long long (*sched_clock)(void);
- unsigned long long (*steal_clock)(int cpu);
- unsigned long (*get_tsc_khz)(void);
--};
-+} __no_const;
-
- struct pv_cpu_ops {
- /* hooks for various privileged instructions */
-@@ -193,7 +193,7 @@ struct pv_cpu_ops {
-
- void (*start_context_switch)(struct task_struct *prev);
- void (*end_context_switch)(struct task_struct *next);
--};
-+} __no_const;
-
- struct pv_irq_ops {
- /*
-@@ -224,7 +224,7 @@ struct pv_apic_ops {
- unsigned long start_eip,
- unsigned long start_esp);
- #endif
--};
-+} __no_const;
-
- struct pv_mmu_ops {
- unsigned long (*read_cr2)(void);
-@@ -313,6 +313,7 @@ struct pv_mmu_ops {
- struct paravirt_callee_save make_pud;
-
- void (*set_pgd)(pgd_t *pudp, pgd_t pgdval);
-+ void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval);
- #endif /* PAGETABLE_LEVELS == 4 */
- #endif /* PAGETABLE_LEVELS >= 3 */
-
-@@ -324,6 +325,12 @@ struct pv_mmu_ops {
- an mfn. We can tell which is which from the index. */
- void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
- phys_addr_t phys, pgprot_t flags);
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ unsigned long (*pax_open_kernel)(void);
-+ unsigned long (*pax_close_kernel)(void);
-+#endif
-+
- };
-
- struct arch_spinlock;
-@@ -334,7 +341,7 @@ struct pv_lock_ops {
- void (*spin_lock_flags)(struct arch_spinlock *lock, unsigned long flags);
- int (*spin_trylock)(struct arch_spinlock *lock);
- void (*spin_unlock)(struct arch_spinlock *lock);
--};
-+} __no_const;
-
- /* This contains all the paravirt structures: we get a convenient
- * number for each function using the offset which we use to indicate
-diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
-index b4389a4..7024269 100644
---- a/arch/x86/include/asm/pgalloc.h
-+++ b/arch/x86/include/asm/pgalloc.h
-@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm,
- pmd_t *pmd, pte_t *pte)
- {
- paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
-+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE));
-+}
-+
-+static inline void pmd_populate_user(struct mm_struct *mm,
-+ pmd_t *pmd, pte_t *pte)
-+{
-+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
- set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE));
- }
-
-@@ -99,12 +106,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
-
- #ifdef CONFIG_X86_PAE
- extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
-+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
-+{
-+ pud_populate(mm, pudp, pmd);
-+}
- #else /* !CONFIG_X86_PAE */
- static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
- {
- paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
- set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
- }
-+
-+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
-+{
-+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
-+ set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd)));
-+}
- #endif /* CONFIG_X86_PAE */
-
- #if PAGETABLE_LEVELS > 3
-@@ -114,6 +131,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
- set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
- }
-
-+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
-+{
-+ paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT);
-+ set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud)));
-+}
-+
- static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
- {
- return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
-diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
-index 98391db..8f6984e 100644
---- a/arch/x86/include/asm/pgtable-2level.h
-+++ b/arch/x86/include/asm/pgtable-2level.h
-@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte)
-
- static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
- {
-+ pax_open_kernel();
- *pmdp = pmd;
-+ pax_close_kernel();
- }
-
- static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
-diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
-index cb00ccc..17e9054 100644
---- a/arch/x86/include/asm/pgtable-3level.h
-+++ b/arch/x86/include/asm/pgtable-3level.h
-@@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
-
- static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
- {
-+ pax_open_kernel();
- set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd));
-+ pax_close_kernel();
- }
-
- static inline void native_set_pud(pud_t *pudp, pud_t pud)
- {
-+ pax_open_kernel();
- set_64bit((unsigned long long *)(pudp), native_pud_val(pud));
-+ pax_close_kernel();
- }
-
- /*
-diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
-index 49afb3f..91a8c63 100644
---- a/arch/x86/include/asm/pgtable.h
-+++ b/arch/x86/include/asm/pgtable.h
-@@ -44,6 +44,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
-
- #ifndef __PAGETABLE_PUD_FOLDED
- #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd)
-+#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd)
- #define pgd_clear(pgd) native_pgd_clear(pgd)
- #endif
-
-@@ -81,12 +82,51 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
-
- #define arch_end_context_switch(prev) do {} while(0)
-
-+#define pax_open_kernel() native_pax_open_kernel()
-+#define pax_close_kernel() native_pax_close_kernel()
- #endif /* CONFIG_PARAVIRT */
-
-+#define __HAVE_ARCH_PAX_OPEN_KERNEL
-+#define __HAVE_ARCH_PAX_CLOSE_KERNEL
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+static inline unsigned long native_pax_open_kernel(void)
-+{
-+ unsigned long cr0;
-+
-+ preempt_disable();
-+ barrier();
-+ cr0 = read_cr0() ^ X86_CR0_WP;
-+ BUG_ON(unlikely(cr0 & X86_CR0_WP));
-+ write_cr0(cr0);
-+ return cr0 ^ X86_CR0_WP;
-+}
-+
-+static inline unsigned long native_pax_close_kernel(void)
-+{
-+ unsigned long cr0;
-+
-+ cr0 = read_cr0() ^ X86_CR0_WP;
-+ BUG_ON(unlikely(!(cr0 & X86_CR0_WP)));
-+ write_cr0(cr0);
-+ barrier();
-+ preempt_enable_no_resched();
-+ return cr0 ^ X86_CR0_WP;
-+}
-+#else
-+static inline unsigned long native_pax_open_kernel(void) { return 0; }
-+static inline unsigned long native_pax_close_kernel(void) { return 0; }
-+#endif
-+
- /*
- * The following only work if pte_present() is true.
- * Undefined behaviour if not..
- */
-+static inline int pte_user(pte_t pte)
-+{
-+ return pte_val(pte) & _PAGE_USER;
-+}
-+
- static inline int pte_dirty(pte_t pte)
- {
- return pte_flags(pte) & _PAGE_DIRTY;
-@@ -196,9 +236,29 @@ static inline pte_t pte_wrprotect(pte_t pte)
- return pte_clear_flags(pte, _PAGE_RW);
- }
-
-+static inline pte_t pte_mkread(pte_t pte)
-+{
-+ return __pte(pte_val(pte) | _PAGE_USER);
-+}
-+
- static inline pte_t pte_mkexec(pte_t pte)
- {
-- return pte_clear_flags(pte, _PAGE_NX);
-+#ifdef CONFIG_X86_PAE
-+ if (__supported_pte_mask & _PAGE_NX)
-+ return pte_clear_flags(pte, _PAGE_NX);
-+ else
-+#endif
-+ return pte_set_flags(pte, _PAGE_USER);
-+}
-+
-+static inline pte_t pte_exprotect(pte_t pte)
-+{
-+#ifdef CONFIG_X86_PAE
-+ if (__supported_pte_mask & _PAGE_NX)
-+ return pte_set_flags(pte, _PAGE_NX);
-+ else
-+#endif
-+ return pte_clear_flags(pte, _PAGE_USER);
- }
-
- static inline pte_t pte_mkdirty(pte_t pte)
-@@ -390,6 +450,15 @@ pte_t *populate_extra_pte(unsigned long vaddr);
- #endif
-
- #ifndef __ASSEMBLY__
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+extern pgd_t cpu_pgd[NR_CPUS][PTRS_PER_PGD];
-+static inline pgd_t *get_cpu_pgd(unsigned int cpu)
-+{
-+ return cpu_pgd[cpu];
-+}
-+#endif
-+
- #include <linux/mm_types.h>
-
- static inline int pte_none(pte_t pte)
-@@ -560,7 +629,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
-
- static inline int pgd_bad(pgd_t pgd)
- {
-- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE;
-+ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE;
- }
-
- static inline int pgd_none(pgd_t pgd)
-@@ -583,7 +652,12 @@ static inline int pgd_none(pgd_t pgd)
- * pgd_offset() returns a (pgd_t *)
- * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
- */
--#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address)))
-+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+#define pgd_offset_cpu(cpu, address) (get_cpu_pgd(cpu) + pgd_index(address))
-+#endif
-+
- /*
- * a shortcut which implies the use of the kernel's pgd, instead
- * of a process's
-@@ -594,6 +668,20 @@ static inline int pgd_none(pgd_t pgd)
- #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET)
- #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY)
-
-+#ifdef CONFIG_X86_32
-+#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY
-+#else
-+#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT
-+#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT))
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+#define PAX_USER_SHADOW_BASE (_AC(1,UL) << TASK_SIZE_MAX_SHIFT)
-+#else
-+#define PAX_USER_SHADOW_BASE (_AC(0,UL))
-+#endif
-+
-+#endif
-+
- #ifndef __ASSEMBLY__
-
- extern int direct_gbpages;
-@@ -758,11 +846,23 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
- * dst and src can be on the same page, but the range must not overlap,
- * and must not cross a page boundary.
- */
--static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
-+static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count)
- {
-- memcpy(dst, src, count * sizeof(pgd_t));
-+ pax_open_kernel();
-+ while (count--)
-+ *dst++ = *src++;
-+ pax_close_kernel();
- }
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src);
-+#endif
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src);
-+#else
-+static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {}
-+#endif
-
- #include <asm-generic/pgtable.h>
- #endif /* __ASSEMBLY__ */
-diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
-index 0c92113..34a77c6 100644
---- a/arch/x86/include/asm/pgtable_32.h
-+++ b/arch/x86/include/asm/pgtable_32.h
-@@ -25,9 +25,6 @@
- struct mm_struct;
- struct vm_area_struct;
-
--extern pgd_t swapper_pg_dir[1024];
--extern pgd_t initial_page_table[1024];
--
- static inline void pgtable_cache_init(void) { }
- static inline void check_pgt_cache(void) { }
- void paging_init(void);
-@@ -48,6 +45,12 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
- # include <asm/pgtable-2level.h>
- #endif
-
-+extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-+extern pgd_t initial_page_table[PTRS_PER_PGD];
-+#ifdef CONFIG_X86_PAE
-+extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD];
-+#endif
-+
- #if defined(CONFIG_HIGHPTE)
- #define pte_offset_map(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
-@@ -62,7 +65,9 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
- /* Clear a kernel PTE and flush it from the TLB */
- #define kpte_clear_flush(ptep, vaddr) \
- do { \
-+ pax_open_kernel(); \
- pte_clear(&init_mm, (vaddr), (ptep)); \
-+ pax_close_kernel(); \
- __flush_tlb_one((vaddr)); \
- } while (0)
-
-@@ -74,6 +79,9 @@ do { \
-
- #endif /* !__ASSEMBLY__ */
-
-+#define HAVE_ARCH_UNMAPPED_AREA
-+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
-+
- /*
- * kern_addr_valid() is (1) for FLATMEM and (0) for
- * SPARSEMEM and DISCONTIGMEM
-diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h
-index ed5903b..c7fe163 100644
---- a/arch/x86/include/asm/pgtable_32_types.h
-+++ b/arch/x86/include/asm/pgtable_32_types.h
-@@ -8,7 +8,7 @@
- */
- #ifdef CONFIG_X86_PAE
- # include <asm/pgtable-3level_types.h>
--# define PMD_SIZE (1UL << PMD_SHIFT)
-+# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)
- # define PMD_MASK (~(PMD_SIZE - 1))
- #else
- # include <asm/pgtable-2level_types.h>
-@@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */
- # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE)
- #endif
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifndef __ASSEMBLY__
-+extern unsigned char MODULES_EXEC_VADDR[];
-+extern unsigned char MODULES_EXEC_END[];
-+#endif
-+#include <asm/boot.h>
-+#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET)
-+#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET)
-+#else
-+#define ktla_ktva(addr) (addr)
-+#define ktva_ktla(addr) (addr)
-+#endif
-+
- #define MODULES_VADDR VMALLOC_START
- #define MODULES_END VMALLOC_END
- #define MODULES_LEN (MODULES_VADDR - MODULES_END)
-diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
-index 975f709..9f779c9 100644
---- a/arch/x86/include/asm/pgtable_64.h
-+++ b/arch/x86/include/asm/pgtable_64.h
-@@ -16,10 +16,14 @@
-
- extern pud_t level3_kernel_pgt[512];
- extern pud_t level3_ident_pgt[512];
-+extern pud_t level3_vmalloc_start_pgt[512];
-+extern pud_t level3_vmalloc_end_pgt[512];
-+extern pud_t level3_vmemmap_pgt[512];
-+extern pud_t level2_vmemmap_pgt[512];
- extern pmd_t level2_kernel_pgt[512];
- extern pmd_t level2_fixmap_pgt[512];
--extern pmd_t level2_ident_pgt[512];
--extern pgd_t init_level4_pgt[];
-+extern pmd_t level2_ident_pgt[512*2];
-+extern pgd_t init_level4_pgt[512];
-
- #define swapper_pg_dir init_level4_pgt
-
-@@ -61,7 +65,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
-
- static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
- {
-+ pax_open_kernel();
- *pmdp = pmd;
-+ pax_close_kernel();
- }
-
- static inline void native_pmd_clear(pmd_t *pmd)
-@@ -97,7 +103,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
-
- static inline void native_set_pud(pud_t *pudp, pud_t pud)
- {
-+ pax_open_kernel();
- *pudp = pud;
-+ pax_close_kernel();
- }
-
- static inline void native_pud_clear(pud_t *pud)
-@@ -107,6 +115,13 @@ static inline void native_pud_clear(pud_t *pud)
-
- static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
- {
-+ pax_open_kernel();
-+ *pgdp = pgd;
-+ pax_close_kernel();
-+}
-+
-+static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
-+{
- *pgdp = pgd;
- }
-
-diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
-index 766ea16..5b96cb3 100644
---- a/arch/x86/include/asm/pgtable_64_types.h
-+++ b/arch/x86/include/asm/pgtable_64_types.h
-@@ -59,5 +59,10 @@ typedef struct { pteval_t pte; } pte_t;
- #define MODULES_VADDR _AC(0xffffffffa0000000, UL)
- #define MODULES_END _AC(0xffffffffff000000, UL)
- #define MODULES_LEN (MODULES_END - MODULES_VADDR)
-+#define MODULES_EXEC_VADDR MODULES_VADDR
-+#define MODULES_EXEC_END MODULES_END
-+
-+#define ktla_ktva(addr) (addr)
-+#define ktva_ktla(addr) (addr)
-
- #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
-diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
-index 013286a..8b42f4f 100644
---- a/arch/x86/include/asm/pgtable_types.h
-+++ b/arch/x86/include/asm/pgtable_types.h
-@@ -16,13 +16,12 @@
- #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */
- #define _PAGE_BIT_PAT 7 /* on 4KB pages */
- #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */
--#define _PAGE_BIT_UNUSED1 9 /* available for programmer */
-+#define _PAGE_BIT_SPECIAL 9 /* special mappings, no associated struct page */
- #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */
- #define _PAGE_BIT_HIDDEN 11 /* hidden by kmemcheck */
- #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */
--#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1
--#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1
--#define _PAGE_BIT_SPLITTING _PAGE_BIT_UNUSED1 /* only valid on a PSE pmd */
-+#define _PAGE_BIT_CPA_TEST _PAGE_BIT_SPECIAL
-+#define _PAGE_BIT_SPLITTING _PAGE_BIT_SPECIAL /* only valid on a PSE pmd */
- #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
-
- /* If _PAGE_BIT_PRESENT is clear, we use these: */
-@@ -40,7 +39,6 @@
- #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY)
- #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE)
- #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
--#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1)
- #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP)
- #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
- #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
-@@ -57,8 +55,10 @@
-
- #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
- #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX)
--#else
-+#elif defined(CONFIG_KMEMCHECK)
- #define _PAGE_NX (_AT(pteval_t, 0))
-+#else
-+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
- #endif
-
- #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE)
-@@ -96,6 +96,9 @@
- #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \
- _PAGE_ACCESSED)
-
-+#define PAGE_READONLY_NOEXEC PAGE_READONLY
-+#define PAGE_SHARED_NOEXEC PAGE_SHARED
-+
- #define __PAGE_KERNEL_EXEC \
- (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL)
- #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX)
-@@ -106,7 +109,7 @@
- #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC)
- #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT)
- #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD)
--#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER)
-+#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER)
- #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER)
- #define __PAGE_KERNEL_VVAR_NOCACHE (__PAGE_KERNEL_VVAR | _PAGE_PCD | _PAGE_PWT)
- #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE)
-@@ -168,8 +171,8 @@
- * bits are combined, this will alow user to access the high address mapped
- * VDSO in the presence of CONFIG_COMPAT_VDSO
- */
--#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */
--#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */
-+#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
-+#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
- #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
- #endif
-
-@@ -207,7 +210,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd)
- {
- return native_pgd_val(pgd) & PTE_FLAGS_MASK;
- }
-+#endif
-
-+#if PAGETABLE_LEVELS == 3
-+#include <asm-generic/pgtable-nopud.h>
-+#endif
-+
-+#if PAGETABLE_LEVELS == 2
-+#include <asm-generic/pgtable-nopmd.h>
-+#endif
-+
-+#ifndef __ASSEMBLY__
- #if PAGETABLE_LEVELS > 3
- typedef struct { pudval_t pud; } pud_t;
-
-@@ -221,8 +234,6 @@ static inline pudval_t native_pud_val(pud_t pud)
- return pud.pud;
- }
- #else
--#include <asm-generic/pgtable-nopud.h>
--
- static inline pudval_t native_pud_val(pud_t pud)
- {
- return native_pgd_val(pud.pgd);
-@@ -242,8 +253,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
- return pmd.pmd;
- }
- #else
--#include <asm-generic/pgtable-nopmd.h>
--
- static inline pmdval_t native_pmd_val(pmd_t pmd)
- {
- return native_pgd_val(pmd.pud.pgd);
-@@ -283,7 +292,6 @@ typedef struct page *pgtable_t;
-
- extern pteval_t __supported_pte_mask;
- extern void set_nx(void);
--extern int nx_enabled;
-
- #define pgprot_writecombine pgprot_writecombine
- extern pgprot_t pgprot_writecombine(pgprot_t prot);
-diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
-index 39bc577..538233f 100644
---- a/arch/x86/include/asm/processor.h
-+++ b/arch/x86/include/asm/processor.h
-@@ -276,7 +276,7 @@ struct tss_struct {
-
- } ____cacheline_aligned;
-
--DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss);
-+extern struct tss_struct init_tss[NR_CPUS];
-
- /*
- * Save the original ist values for checking stack pointers during debugging
-@@ -809,11 +809,18 @@ static inline void spin_lock_prefetch(const void *x)
- */
- #define TASK_SIZE PAGE_OFFSET
- #define TASK_SIZE_MAX TASK_SIZE
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2)
-+#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE)
-+#else
- #define STACK_TOP TASK_SIZE
--#define STACK_TOP_MAX STACK_TOP
-+#endif
-+
-+#define STACK_TOP_MAX TASK_SIZE
-
- #define INIT_THREAD { \
-- .sp0 = sizeof(init_stack) + (long)&init_stack, \
-+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
- .vm86_info = NULL, \
- .sysenter_cs = __KERNEL_CS, \
- .io_bitmap_ptr = NULL, \
-@@ -827,7 +834,7 @@ static inline void spin_lock_prefetch(const void *x)
- */
- #define INIT_TSS { \
- .x86_tss = { \
-- .sp0 = sizeof(init_stack) + (long)&init_stack, \
-+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
- .ss0 = __KERNEL_DS, \
- .ss1 = __KERNEL_CS, \
- .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \
-@@ -838,11 +845,7 @@ static inline void spin_lock_prefetch(const void *x)
- extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
- #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long))
--#define KSTK_TOP(info) \
--({ \
-- unsigned long *__ptr = (unsigned long *)(info); \
-- (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \
--})
-+#define KSTK_TOP(info) ((container_of(info, struct task_struct, tinfo))->thread.sp0)
-
- /*
- * The below -8 is to reserve 8 bytes on top of the ring0 stack.
-@@ -857,7 +860,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
- #define task_pt_regs(task) \
- ({ \
- struct pt_regs *__regs__; \
-- __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
-+ __regs__ = (struct pt_regs *)((task)->thread.sp0); \
- __regs__ - 1; \
- })
-
-@@ -867,13 +870,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
- /*
- * User space process size. 47bits minus one guard page.
- */
--#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE)
-+#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE)
-
- /* This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
- #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \
-- 0xc0000000 : 0xFFFFe000)
-+ 0xc0000000 : 0xFFFFf000)
-
- #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \
- IA32_PAGE_OFFSET : TASK_SIZE_MAX)
-@@ -884,11 +887,11 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
- #define STACK_TOP_MAX TASK_SIZE_MAX
-
- #define INIT_THREAD { \
-- .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
-+ .sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
- }
-
- #define INIT_TSS { \
-- .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
-+ .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
- }
-
- /*
-@@ -916,6 +919,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
- */
- #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3))
-+#endif
-+
- #define KSTK_EIP(task) (task_pt_regs(task)->ip)
-
- /* Get/set a process' ability to use the timestamp counter instruction */
-@@ -976,12 +983,12 @@ extern bool cpu_has_amd_erratum(const int *);
- #define cpu_has_amd_erratum(x) (false)
- #endif /* CONFIG_CPU_SUP_AMD */
-
--extern unsigned long arch_align_stack(unsigned long sp);
-+#define arch_align_stack(x) ((x) & ~0xfUL)
- extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
-
- void default_idle(void);
- bool set_pm_idle_to_default(void);
-
--void stop_this_cpu(void *dummy);
-+void stop_this_cpu(void *dummy) __noreturn;
-
- #endif /* _ASM_X86_PROCESSOR_H */
-diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
-index dcfde52..dbfea06 100644
---- a/arch/x86/include/asm/ptrace.h
-+++ b/arch/x86/include/asm/ptrace.h
-@@ -155,28 +155,29 @@ static inline unsigned long regs_return_value(struct pt_regs *regs)
- }
-
- /*
-- * user_mode_vm(regs) determines whether a register set came from user mode.
-+ * user_mode(regs) determines whether a register set came from user mode.
- * This is true if V8086 mode was enabled OR if the register set was from
- * protected mode with RPL-3 CS value. This tricky test checks that with
- * one comparison. Many places in the kernel can bypass this full check
-- * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
-+ * if they have already ruled out V8086 mode, so user_mode_novm(regs) can
-+ * be used.
- */
--static inline int user_mode(struct pt_regs *regs)
-+static inline int user_mode_novm(struct pt_regs *regs)
- {
- #ifdef CONFIG_X86_32
- return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL;
- #else
-- return !!(regs->cs & 3);
-+ return !!(regs->cs & SEGMENT_RPL_MASK);
- #endif
- }
-
--static inline int user_mode_vm(struct pt_regs *regs)
-+static inline int user_mode(struct pt_regs *regs)
- {
- #ifdef CONFIG_X86_32
- return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
- USER_RPL;
- #else
-- return user_mode(regs);
-+ return user_mode_novm(regs);
- #endif
- }
-
-@@ -192,15 +193,16 @@ static inline int v8086_mode(struct pt_regs *regs)
- #ifdef CONFIG_X86_64
- static inline bool user_64bit_mode(struct pt_regs *regs)
- {
-+ unsigned long cs = regs->cs & 0xffff;
- #ifndef CONFIG_PARAVIRT
- /*
- * On non-paravirt systems, this is the only long mode CPL 3
- * selector. We do not allow long mode selectors in the LDT.
- */
-- return regs->cs == __USER_CS;
-+ return cs == __USER_CS;
- #else
- /* Headers are too twisted for this to go in paravirt.h. */
-- return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;
-+ return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs;
- #endif
- }
- #endif
-diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
-index fce3f4a..3f69f2a 100644
---- a/arch/x86/include/asm/realmode.h
-+++ b/arch/x86/include/asm/realmode.h
-@@ -30,7 +30,7 @@ struct real_mode_header {
- struct trampoline_header {
- #ifdef CONFIG_X86_32
- u32 start;
-- u16 gdt_pad;
-+ u16 boot_cs;
- u16 gdt_limit;
- u32 gdt_base;
- #else
-diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
-index 92f29706..a79cbbb 100644
---- a/arch/x86/include/asm/reboot.h
-+++ b/arch/x86/include/asm/reboot.h
-@@ -6,19 +6,19 @@
- struct pt_regs;
-
- struct machine_ops {
-- void (*restart)(char *cmd);
-- void (*halt)(void);
-- void (*power_off)(void);
-+ void (* __noreturn restart)(char *cmd);
-+ void (* __noreturn halt)(void);
-+ void (* __noreturn power_off)(void);
- void (*shutdown)(void);
- void (*crash_shutdown)(struct pt_regs *);
-- void (*emergency_restart)(void);
--};
-+ void (* __noreturn emergency_restart)(void);
-+} __no_const;
-
- extern struct machine_ops machine_ops;
-
- void native_machine_crash_shutdown(struct pt_regs *regs);
- void native_machine_shutdown(void);
--void machine_real_restart(unsigned int type);
-+void machine_real_restart(unsigned int type) __noreturn;
- /* These must match dispatch_table in reboot_32.S */
- #define MRR_BIOS 0
- #define MRR_APM 1
-diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
-index 2dbe4a7..ce1db00 100644
---- a/arch/x86/include/asm/rwsem.h
-+++ b/arch/x86/include/asm/rwsem.h
-@@ -64,6 +64,14 @@ static inline void __down_read(struct rw_semaphore *sem)
- {
- asm volatile("# beginning down_read\n\t"
- LOCK_PREFIX _ASM_INC "(%1)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX _ASM_DEC "(%1)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- /* adds 0x00000001 */
- " jns 1f\n"
- " call call_rwsem_down_read_failed\n"
-@@ -85,6 +93,14 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
- "1:\n\t"
- " mov %1,%2\n\t"
- " add %3,%2\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "sub %3,%2\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- " jle 2f\n\t"
- LOCK_PREFIX " cmpxchg %2,%0\n\t"
- " jnz 1b\n\t"
-@@ -104,6 +120,14 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
- long tmp;
- asm volatile("# beginning down_write\n\t"
- LOCK_PREFIX " xadd %1,(%2)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "mov %1,(%2)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- /* adds 0xffff0001, returns the old value */
- " test %1,%1\n\t"
- /* was the count 0 before? */
-@@ -141,6 +165,14 @@ static inline void __up_read(struct rw_semaphore *sem)
- long tmp;
- asm volatile("# beginning __up_read\n\t"
- LOCK_PREFIX " xadd %1,(%2)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "mov %1,(%2)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- /* subtracts 1, returns the old value */
- " jns 1f\n\t"
- " call call_rwsem_wake\n" /* expects old value in %edx */
-@@ -159,6 +191,14 @@ static inline void __up_write(struct rw_semaphore *sem)
- long tmp;
- asm volatile("# beginning __up_write\n\t"
- LOCK_PREFIX " xadd %1,(%2)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ "mov %1,(%2)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- /* subtracts 0xffff0001, returns the old value */
- " jns 1f\n\t"
- " call call_rwsem_wake\n" /* expects old value in %edx */
-@@ -176,6 +216,14 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
- {
- asm volatile("# beginning __downgrade_write\n\t"
- LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX _ASM_SUB "%2,(%1)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- /*
- * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386)
- * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64)
-@@ -194,7 +242,15 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
- */
- static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
- {
-- asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0"
-+ asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX _ASM_SUB "%1,%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (sem->count)
- : "er" (delta));
- }
-@@ -204,7 +260,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
- */
- static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
- {
-- return delta + xadd(&sem->count, delta);
-+ return delta + xadd_check_overflow(&sem->count, delta);
- }
-
- #endif /* __KERNEL__ */
-diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
-index c48a950..c6d7468 100644
---- a/arch/x86/include/asm/segment.h
-+++ b/arch/x86/include/asm/segment.h
-@@ -64,10 +64,15 @@
- * 26 - ESPFIX small SS
- * 27 - per-cpu [ offset to per-cpu data area ]
- * 28 - stack_canary-20 [ for stack protector ]
-- * 29 - unused
-- * 30 - unused
-+ * 29 - PCI BIOS CS
-+ * 30 - PCI BIOS DS
- * 31 - TSS for double fault handler
- */
-+#define GDT_ENTRY_KERNEXEC_EFI_CS (1)
-+#define GDT_ENTRY_KERNEXEC_EFI_DS (2)
-+#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8)
-+#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8)
-+
- #define GDT_ENTRY_TLS_MIN 6
- #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
-
-@@ -79,6 +84,8 @@
-
- #define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE+0)
-
-+#define GDT_ENTRY_KERNEXEC_KERNEL_CS (4)
-+
- #define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE+1)
-
- #define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE+4)
-@@ -104,6 +111,12 @@
- #define __KERNEL_STACK_CANARY 0
- #endif
-
-+#define GDT_ENTRY_PCIBIOS_CS (GDT_ENTRY_KERNEL_BASE+17)
-+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8)
-+
-+#define GDT_ENTRY_PCIBIOS_DS (GDT_ENTRY_KERNEL_BASE+18)
-+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8)
-+
- #define GDT_ENTRY_DOUBLEFAULT_TSS 31
-
- /*
-@@ -141,7 +154,7 @@
- */
-
- /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */
--#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8)
-+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16)
-
-
- #else
-@@ -165,6 +178,8 @@
- #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8+3)
- #define __USER32_DS __USER_DS
-
-+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7
-+
- #define GDT_ENTRY_TSS 8 /* needs two entries */
- #define GDT_ENTRY_LDT 10 /* needs two entries */
- #define GDT_ENTRY_TLS_MIN 12
-@@ -185,6 +200,7 @@
- #endif
-
- #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8)
-+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8)
- #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8)
- #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8+3)
- #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8+3)
-@@ -265,7 +281,7 @@ static inline unsigned long get_limit(unsigned long segment)
- {
- unsigned long __limit;
- asm("lsll %1,%0" : "=r" (__limit) : "r" (segment));
-- return __limit + 1;
-+ return __limit;
- }
-
- #endif /* !__ASSEMBLY__ */
-diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
-index f483945..64a7851 100644
---- a/arch/x86/include/asm/smp.h
-+++ b/arch/x86/include/asm/smp.h
-@@ -36,7 +36,7 @@ DECLARE_PER_CPU(cpumask_var_t, cpu_core_map);
- /* cpus sharing the last level cache: */
- DECLARE_PER_CPU(cpumask_var_t, cpu_llc_shared_map);
- DECLARE_PER_CPU(u16, cpu_llc_id);
--DECLARE_PER_CPU(int, cpu_number);
-+DECLARE_PER_CPU(unsigned int, cpu_number);
-
- static inline struct cpumask *cpu_sibling_mask(int cpu)
- {
-@@ -79,7 +79,7 @@ struct smp_ops {
-
- void (*send_call_func_ipi)(const struct cpumask *mask);
- void (*send_call_func_single_ipi)(int cpu);
--};
-+} __no_const;
-
- /* Globals due to paravirt */
- extern void set_cpu_sibling_map(int cpu);
-@@ -195,14 +195,8 @@ extern unsigned disabled_cpus __cpuinitdata;
- extern int safe_smp_processor_id(void);
-
- #elif defined(CONFIG_X86_64_SMP)
--#define raw_smp_processor_id() (this_cpu_read(cpu_number))
--
--#define stack_smp_processor_id() \
--({ \
-- struct thread_info *ti; \
-- __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \
-- ti->cpu; \
--})
-+#define raw_smp_processor_id() (this_cpu_read(cpu_number))
-+#define stack_smp_processor_id() raw_smp_processor_id()
- #define safe_smp_processor_id() smp_processor_id()
-
- #endif
-diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
-index b315a33..8849ab0 100644
---- a/arch/x86/include/asm/spinlock.h
-+++ b/arch/x86/include/asm/spinlock.h
-@@ -173,6 +173,14 @@ static inline int arch_write_can_lock(arch_rwlock_t *lock)
- static inline void arch_read_lock(arch_rwlock_t *rw)
- {
- asm volatile(LOCK_PREFIX READ_LOCK_SIZE(dec) " (%0)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX READ_LOCK_SIZE(inc) " (%0)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- "jns 1f\n"
- "call __read_lock_failed\n\t"
- "1:\n"
-@@ -182,6 +190,14 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
- static inline void arch_write_lock(arch_rwlock_t *rw)
- {
- asm volatile(LOCK_PREFIX WRITE_LOCK_SUB(%1) "(%0)\n\t"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX WRITE_LOCK_ADD(%1) "(%0)\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- "jz 1f\n"
- "call __write_lock_failed\n\t"
- "1:\n"
-@@ -211,13 +227,29 @@ static inline int arch_write_trylock(arch_rwlock_t *lock)
-
- static inline void arch_read_unlock(arch_rwlock_t *rw)
- {
-- asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0"
-+ asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX READ_LOCK_SIZE(dec) " %0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- :"+m" (rw->lock) : : "memory");
- }
-
- static inline void arch_write_unlock(arch_rwlock_t *rw)
- {
-- asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0"
-+ asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0\n"
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ "jno 0f\n"
-+ LOCK_PREFIX WRITE_LOCK_SUB(%1) "%0\n"
-+ "int $4\n0:\n"
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
- : "+m" (rw->write) : "i" (RW_LOCK_BIAS) : "memory");
- }
-
-diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
-index 6a99859..03cb807 100644
---- a/arch/x86/include/asm/stackprotector.h
-+++ b/arch/x86/include/asm/stackprotector.h
-@@ -47,7 +47,7 @@
- * head_32 for boot CPU and setup_per_cpu_areas() for others.
- */
- #define GDT_STACK_CANARY_INIT \
-- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18),
-+ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17),
-
- /*
- * Initialize the stackprotector canary value.
-@@ -112,7 +112,7 @@ static inline void setup_stack_canary_segment(int cpu)
-
- static inline void load_stack_canary_segment(void)
- {
--#ifdef CONFIG_X86_32
-+#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF)
- asm volatile ("mov %0, %%gs" : : "r" (0));
- #endif
- }
-diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
-index 70bbe39..4ae2bd4 100644
---- a/arch/x86/include/asm/stacktrace.h
-+++ b/arch/x86/include/asm/stacktrace.h
-@@ -11,28 +11,20 @@
-
- extern int kstack_depth_to_print;
-
--struct thread_info;
-+struct task_struct;
- struct stacktrace_ops;
-
--typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
-- unsigned long *stack,
-- unsigned long bp,
-- const struct stacktrace_ops *ops,
-- void *data,
-- unsigned long *end,
-- int *graph);
-+typedef unsigned long walk_stack_t(struct task_struct *task,
-+ void *stack_start,
-+ unsigned long *stack,
-+ unsigned long bp,
-+ const struct stacktrace_ops *ops,
-+ void *data,
-+ unsigned long *end,
-+ int *graph);
-
--extern unsigned long
--print_context_stack(struct thread_info *tinfo,
-- unsigned long *stack, unsigned long bp,
-- const struct stacktrace_ops *ops, void *data,
-- unsigned long *end, int *graph);
--
--extern unsigned long
--print_context_stack_bp(struct thread_info *tinfo,
-- unsigned long *stack, unsigned long bp,
-- const struct stacktrace_ops *ops, void *data,
-- unsigned long *end, int *graph);
-+extern walk_stack_t print_context_stack;
-+extern walk_stack_t print_context_stack_bp;
-
- /* Generic stack tracer with callbacks */
-
-@@ -40,7 +32,7 @@ struct stacktrace_ops {
- void (*address)(void *data, unsigned long address, int reliable);
- /* On negative return stop dumping */
- int (*stack)(void *data, char *name);
-- walk_stack_t walk_stack;
-+ walk_stack_t *walk_stack;
- };
-
- void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
-diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
-index 4ec45b3..a4f0a8a 100644
---- a/arch/x86/include/asm/switch_to.h
-+++ b/arch/x86/include/asm/switch_to.h
-@@ -108,7 +108,7 @@ do { \
- "call __switch_to\n\t" \
- "movq "__percpu_arg([current_task])",%%rsi\n\t" \
- __switch_canary \
-- "movq %P[thread_info](%%rsi),%%r8\n\t" \
-+ "movq "__percpu_arg([thread_info])",%%r8\n\t" \
- "movq %%rax,%%rdi\n\t" \
- "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \
- "jnz ret_from_fork\n\t" \
-@@ -119,7 +119,7 @@ do { \
- [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \
- [ti_flags] "i" (offsetof(struct thread_info, flags)), \
- [_tif_fork] "i" (_TIF_FORK), \
-- [thread_info] "i" (offsetof(struct task_struct, stack)), \
-+ [thread_info] "m" (current_tinfo), \
- [current_task] "m" (current_task) \
- __switch_canary_iparam \
- : "memory", "cc" __EXTRA_CLOBBER)
-diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
-index 3fda9db4..4ca1c61 100644
---- a/arch/x86/include/asm/sys_ia32.h
-+++ b/arch/x86/include/asm/sys_ia32.h
-@@ -40,7 +40,7 @@ asmlinkage long sys32_sigaction(int, struct old_sigaction32 __user *,
- struct old_sigaction32 __user *);
- asmlinkage long sys32_alarm(unsigned int);
-
--asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
-+asmlinkage long sys32_waitpid(compat_pid_t, unsigned int __user *, int);
- asmlinkage long sys32_sysfs(int, u32, u32);
-
- asmlinkage long sys32_sched_rr_get_interval(compat_pid_t,
-diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
-index 89f794f..1422765 100644
---- a/arch/x86/include/asm/thread_info.h
-+++ b/arch/x86/include/asm/thread_info.h
-@@ -10,6 +10,7 @@
- #include <linux/compiler.h>
- #include <asm/page.h>
- #include <asm/types.h>
-+#include <asm/percpu.h>
-
- /*
- * low level task data that entry.S needs immediate access to
-@@ -24,7 +25,6 @@ struct exec_domain;
- #include <linux/atomic.h>
-
- struct thread_info {
-- struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
- __u32 flags; /* low level flags */
- __u32 status; /* thread synchronous flags */
-@@ -34,19 +34,13 @@ struct thread_info {
- mm_segment_t addr_limit;
- struct restart_block restart_block;
- void __user *sysenter_return;
--#ifdef CONFIG_X86_32
-- unsigned long previous_esp; /* ESP of the previous stack in
-- case of nested (IRQ) stacks
-- */
-- __u8 supervisor_stack[0];
--#endif
-+ unsigned long lowest_stack;
- unsigned int sig_on_uaccess_error:1;
- unsigned int uaccess_err:1; /* uaccess failed */
- };
-
--#define INIT_THREAD_INFO(tsk) \
-+#define INIT_THREAD_INFO \
- { \
-- .task = &tsk, \
- .exec_domain = &default_exec_domain, \
- .flags = 0, \
- .cpu = 0, \
-@@ -57,7 +51,7 @@ struct thread_info {
- }, \
- }
-
--#define init_thread_info (init_thread_union.thread_info)
-+#define init_thread_info (init_thread_union.stack)
- #define init_stack (init_thread_union.stack)
-
- #else /* !__ASSEMBLY__ */
-@@ -98,6 +92,7 @@ struct thread_info {
- #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */
- #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */
- #define TIF_X32 30 /* 32-bit native x86-64 binary */
-+#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */
-
- #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
- #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
-@@ -122,16 +117,18 @@ struct thread_info {
- #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
- #define _TIF_ADDR32 (1 << TIF_ADDR32)
- #define _TIF_X32 (1 << TIF_X32)
-+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
-
- /* work to do in syscall_trace_enter() */
- #define _TIF_WORK_SYSCALL_ENTRY \
- (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \
-- _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT)
-+ _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT | \
-+ _TIF_GRSEC_SETXID)
-
- /* work to do in syscall_trace_leave() */
- #define _TIF_WORK_SYSCALL_EXIT \
- (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \
-- _TIF_SYSCALL_TRACEPOINT)
-+ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
-
- /* work to do on interrupt/exception return */
- #define _TIF_WORK_MASK \
-@@ -141,7 +138,8 @@ struct thread_info {
-
- /* work to do on any return to user space */
- #define _TIF_ALLWORK_MASK \
-- ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT)
-+ ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \
-+ _TIF_GRSEC_SETXID)
-
- /* Only used for 64 bit */
- #define _TIF_DO_NOTIFY_MASK \
-@@ -157,45 +155,40 @@ struct thread_info {
-
- #define PREEMPT_ACTIVE 0x10000000
-
--#ifdef CONFIG_X86_32
--
--#define STACK_WARN (THREAD_SIZE/8)
--/*
-- * macros/functions for gaining access to the thread information structure
-- *
-- * preempt_count needs to be 1 initially, until the scheduler is functional.
-- */
--#ifndef __ASSEMBLY__
--
--
--/* how to get the current stack pointer from C */
--register unsigned long current_stack_pointer asm("esp") __used;
--
--/* how to get the thread information struct from C */
--static inline struct thread_info *current_thread_info(void)
--{
-- return (struct thread_info *)
-- (current_stack_pointer & ~(THREAD_SIZE - 1));
--}
--
--#else /* !__ASSEMBLY__ */
--
-+#ifdef __ASSEMBLY__
- /* how to get the thread information struct from ASM */
- #define GET_THREAD_INFO(reg) \
-- movl $-THREAD_SIZE, reg; \
-- andl %esp, reg
-+ mov PER_CPU_VAR(current_tinfo), reg
-
- /* use this one if reg already contains %esp */
--#define GET_THREAD_INFO_WITH_ESP(reg) \
-- andl $-THREAD_SIZE, reg
-+#define GET_THREAD_INFO_WITH_ESP(reg) GET_THREAD_INFO(reg)
-+#else
-+/* how to get the thread information struct from C */
-+DECLARE_PER_CPU(struct thread_info *, current_tinfo);
-+
-+static __always_inline struct thread_info *current_thread_info(void)
-+{
-+ return this_cpu_read_stable(current_tinfo);
-+}
-+#endif
-+
-+#ifdef CONFIG_X86_32
-+
-+#define STACK_WARN (THREAD_SIZE/8)
-+/*
-+ * macros/functions for gaining access to the thread information structure
-+ *
-+ * preempt_count needs to be 1 initially, until the scheduler is functional.
-+ */
-+#ifndef __ASSEMBLY__
-+
-+/* how to get the current stack pointer from C */
-+register unsigned long current_stack_pointer asm("esp") __used;
-
- #endif
-
- #else /* X86_32 */
-
--#include <asm/percpu.h>
--#define KERNEL_STACK_OFFSET (5*8)
--
- /*
- * macros/functions for gaining access to the thread information structure
- * preempt_count needs to be 1 initially, until the scheduler is functional.
-@@ -203,27 +196,8 @@ static inline struct thread_info *current_thread_info(void)
- #ifndef __ASSEMBLY__
- DECLARE_PER_CPU(unsigned long, kernel_stack);
-
--static inline struct thread_info *current_thread_info(void)
--{
-- struct thread_info *ti;
-- ti = (void *)(this_cpu_read_stable(kernel_stack) +
-- KERNEL_STACK_OFFSET - THREAD_SIZE);
-- return ti;
--}
--
--#else /* !__ASSEMBLY__ */
--
--/* how to get the thread information struct from ASM */
--#define GET_THREAD_INFO(reg) \
-- movq PER_CPU_VAR(kernel_stack),reg ; \
-- subq $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg
--
--/*
-- * Same if PER_CPU_VAR(kernel_stack) is, perhaps with some offset, already in
-- * a certain register (to be used in assembler memory operands).
-- */
--#define THREAD_INFO(reg, off) KERNEL_STACK_OFFSET+(off)-THREAD_SIZE(reg)
--
-+/* how to get the current stack pointer from C */
-+register unsigned long current_stack_pointer asm("rsp") __used;
- #endif
-
- #endif /* !X86_32 */
-@@ -284,5 +258,12 @@ static inline bool is_ia32_task(void)
- extern void arch_task_cache_init(void);
- extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
- extern void arch_release_task_struct(struct task_struct *tsk);
-+
-+#define __HAVE_THREAD_FUNCTIONS
-+#define task_thread_info(task) (&(task)->tinfo)
-+#define task_stack_page(task) ((task)->stack)
-+#define setup_thread_stack(p, org) do {} while (0)
-+#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1)
-+
- #endif
- #endif /* _ASM_X86_THREAD_INFO_H */
-diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
-index e1f3a17..1ab364d 100644
---- a/arch/x86/include/asm/uaccess.h
-+++ b/arch/x86/include/asm/uaccess.h
-@@ -7,12 +7,15 @@
- #include <linux/compiler.h>
- #include <linux/thread_info.h>
- #include <linux/string.h>
-+#include <linux/sched.h>
- #include <asm/asm.h>
- #include <asm/page.h>
-
- #define VERIFY_READ 0
- #define VERIFY_WRITE 1
-
-+extern void check_object_size(const void *ptr, unsigned long n, bool to);
-+
- /*
- * The fs value determines whether argument validity checking should be
- * performed or not. If get_fs() == USER_DS, checking is performed, with
-@@ -28,7 +31,12 @@
-
- #define get_ds() (KERNEL_DS)
- #define get_fs() (current_thread_info()->addr_limit)
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+void __set_fs(mm_segment_t x);
-+void set_fs(mm_segment_t x);
-+#else
- #define set_fs(x) (current_thread_info()->addr_limit = (x))
-+#endif
-
- #define segment_eq(a, b) ((a).seg == (b).seg)
-
-@@ -76,8 +84,33 @@
- * checks that the pointer is in the user space range - after calling
- * this function, memory access functions may still return -EFAULT.
- */
--#define access_ok(type, addr, size) \
-- (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
-+#define __access_ok(type, addr, size) (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
-+#define access_ok(type, addr, size) \
-+({ \
-+ long __size = size; \
-+ unsigned long __addr = (unsigned long)addr; \
-+ unsigned long __addr_ao = __addr & PAGE_MASK; \
-+ unsigned long __end_ao = __addr + __size - 1; \
-+ bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\
-+ if (__ret_ao && unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \
-+ while(__addr_ao <= __end_ao) { \
-+ char __c_ao; \
-+ __addr_ao += PAGE_SIZE; \
-+ if (__size > PAGE_SIZE) \
-+ cond_resched(); \
-+ if (__get_user(__c_ao, (char __user *)__addr)) \
-+ break; \
-+ if (type != VERIFY_WRITE) { \
-+ __addr = __addr_ao; \
-+ continue; \
-+ } \
-+ if (__put_user(__c_ao, (char __user *)__addr)) \
-+ break; \
-+ __addr = __addr_ao; \
-+ } \
-+ } \
-+ __ret_ao; \
-+})
-
- /*
- * The exception table consists of pairs of addresses relative to the
-@@ -188,12 +221,20 @@ extern int __get_user_bad(void);
- asm volatile("call __put_user_" #size : "=a" (__ret_pu) \
- : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
-
--
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define __copyuser_seg "gs;"
-+#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n"
-+#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n"
-+#else
-+#define __copyuser_seg
-+#define __COPYUSER_SET_ES
-+#define __COPYUSER_RESTORE_ES
-+#endif
-
- #ifdef CONFIG_X86_32
- #define __put_user_asm_u64(x, addr, err, errret) \
-- asm volatile("1: movl %%eax,0(%2)\n" \
-- "2: movl %%edx,4(%2)\n" \
-+ asm volatile("1: "__copyuser_seg"movl %%eax,0(%2)\n" \
-+ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \
- "3:\n" \
- ".section .fixup,\"ax\"\n" \
- "4: movl %3,%0\n" \
-@@ -205,8 +246,8 @@ extern int __get_user_bad(void);
- : "A" (x), "r" (addr), "i" (errret), "0" (err))
-
- #define __put_user_asm_ex_u64(x, addr) \
-- asm volatile("1: movl %%eax,0(%1)\n" \
-- "2: movl %%edx,4(%1)\n" \
-+ asm volatile("1: "__copyuser_seg"movl %%eax,0(%1)\n" \
-+ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \
- "3:\n" \
- _ASM_EXTABLE_EX(1b, 2b) \
- _ASM_EXTABLE_EX(2b, 3b) \
-@@ -258,7 +299,7 @@ extern void __put_user_8(void);
- __typeof__(*(ptr)) __pu_val; \
- __chk_user_ptr(ptr); \
- might_fault(); \
-- __pu_val = x; \
-+ __pu_val = (x); \
- switch (sizeof(*(ptr))) { \
- case 1: \
- __put_user_x(1, __pu_val, ptr, __ret_pu); \
-@@ -379,7 +420,7 @@ do { \
- } while (0)
-
- #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \
-- asm volatile("1: mov"itype" %2,%"rtype"1\n" \
-+ asm volatile("1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: mov %3,%0\n" \
-@@ -387,7 +428,7 @@ do { \
- " jmp 2b\n" \
- ".previous\n" \
- _ASM_EXTABLE(1b, 3b) \
-- : "=r" (err), ltype(x) \
-+ : "=r" (err), ltype (x) \
- : "m" (__m(addr)), "i" (errret), "0" (err))
-
- #define __get_user_size_ex(x, ptr, size) \
-@@ -412,7 +453,7 @@ do { \
- } while (0)
-
- #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
-- asm volatile("1: mov"itype" %1,%"rtype"0\n" \
-+ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\
- "2:\n" \
- _ASM_EXTABLE_EX(1b, 2b) \
- : ltype(x) : "m" (__m(addr)))
-@@ -429,13 +470,24 @@ do { \
- int __gu_err; \
- unsigned long __gu_val; \
- __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \
-- (x) = (__force __typeof__(*(ptr)))__gu_val; \
-+ (x) = (__typeof__(*(ptr)))__gu_val; \
- __gu_err; \
- })
-
- /* FIXME: this hack is definitely wrong -AK */
- struct __large_struct { unsigned long buf[100]; };
--#define __m(x) (*(struct __large_struct __user *)(x))
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define ____m(x) \
-+({ \
-+ unsigned long ____x = (unsigned long)(x); \
-+ if (____x < PAX_USER_SHADOW_BASE) \
-+ ____x += PAX_USER_SHADOW_BASE; \
-+ (void __user *)____x; \
-+})
-+#else
-+#define ____m(x) (x)
-+#endif
-+#define __m(x) (*(struct __large_struct __user *)____m(x))
-
- /*
- * Tell gcc we read from memory instead of writing: this is because
-@@ -443,7 +495,7 @@ struct __large_struct { unsigned long buf[100]; };
- * aliasing issues.
- */
- #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \
-- asm volatile("1: mov"itype" %"rtype"1,%2\n" \
-+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: mov %3,%0\n" \
-@@ -451,10 +503,10 @@ struct __large_struct { unsigned long buf[100]; };
- ".previous\n" \
- _ASM_EXTABLE(1b, 3b) \
- : "=r"(err) \
-- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err))
-+ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err))
-
- #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \
-- asm volatile("1: mov"itype" %"rtype"0,%1\n" \
-+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\
- "2:\n" \
- _ASM_EXTABLE_EX(1b, 2b) \
- : : ltype(x), "m" (__m(addr)))
-@@ -493,8 +545,12 @@ struct __large_struct { unsigned long buf[100]; };
- * On error, the variable @x is set to zero.
- */
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define __get_user(x, ptr) get_user((x), (ptr))
-+#else
- #define __get_user(x, ptr) \
- __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
-+#endif
-
- /**
- * __put_user: - Write a simple value into user space, with less checking.
-@@ -516,8 +572,12 @@ struct __large_struct { unsigned long buf[100]; };
- * Returns zero on success, or -EFAULT on error.
- */
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define __put_user(x, ptr) put_user((x), (ptr))
-+#else
- #define __put_user(x, ptr) \
- __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
-+#endif
-
- #define __get_user_unaligned __get_user
- #define __put_user_unaligned __put_user
-@@ -535,7 +595,7 @@ struct __large_struct { unsigned long buf[100]; };
- #define get_user_ex(x, ptr) do { \
- unsigned long __gue_val; \
- __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \
-- (x) = (__force __typeof__(*(ptr)))__gue_val; \
-+ (x) = (__typeof__(*(ptr)))__gue_val; \
- } while (0)
-
- #ifdef CONFIG_X86_WP_WORKS_OK
-diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
-index 576e39b..ccd0a39 100644
---- a/arch/x86/include/asm/uaccess_32.h
-+++ b/arch/x86/include/asm/uaccess_32.h
-@@ -11,15 +11,15 @@
- #include <asm/page.h>
-
- unsigned long __must_check __copy_to_user_ll
-- (void __user *to, const void *from, unsigned long n);
-+ (void __user *to, const void *from, unsigned long n) __size_overflow(3);
- unsigned long __must_check __copy_from_user_ll
-- (void *to, const void __user *from, unsigned long n);
-+ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
- unsigned long __must_check __copy_from_user_ll_nozero
-- (void *to, const void __user *from, unsigned long n);
-+ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
- unsigned long __must_check __copy_from_user_ll_nocache
-- (void *to, const void __user *from, unsigned long n);
-+ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
- unsigned long __must_check __copy_from_user_ll_nocache_nozero
-- (void *to, const void __user *from, unsigned long n);
-+ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
-
- /**
- * __copy_to_user_inatomic: - Copy a block of data into user space, with less checking.
-@@ -43,6 +43,9 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero
- static __always_inline unsigned long __must_check
- __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- if (__builtin_constant_p(n)) {
- unsigned long ret;
-
-@@ -61,6 +64,8 @@ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
- return ret;
- }
- }
-+ if (!__builtin_constant_p(n))
-+ check_object_size(from, n, true);
- return __copy_to_user_ll(to, from, n);
- }
-
-@@ -82,12 +87,16 @@ static __always_inline unsigned long __must_check
- __copy_to_user(void __user *to, const void *from, unsigned long n)
- {
- might_fault();
-+
- return __copy_to_user_inatomic(to, from, n);
- }
-
- static __always_inline unsigned long
- __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n)
- {
-+ if ((long)n < 0)
-+ return n;
-+
- /* Avoid zeroing the tail if the copy fails..
- * If 'n' is constant and 1, 2, or 4, we do still zero on a failure,
- * but as the zeroing behaviour is only significant when n is not
-@@ -137,6 +146,10 @@ static __always_inline unsigned long
- __copy_from_user(void *to, const void __user *from, unsigned long n)
- {
- might_fault();
-+
-+ if ((long)n < 0)
-+ return n;
-+
- if (__builtin_constant_p(n)) {
- unsigned long ret;
-
-@@ -152,6 +165,8 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
- return ret;
- }
- }
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
- return __copy_from_user_ll(to, from, n);
- }
-
-@@ -159,6 +174,10 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to,
- const void __user *from, unsigned long n)
- {
- might_fault();
-+
-+ if ((long)n < 0)
-+ return n;
-+
- if (__builtin_constant_p(n)) {
- unsigned long ret;
-
-@@ -181,15 +200,19 @@ static __always_inline unsigned long
- __copy_from_user_inatomic_nocache(void *to, const void __user *from,
- unsigned long n)
- {
-- return __copy_from_user_ll_nocache_nozero(to, from, n);
-+ if ((long)n < 0)
-+ return n;
-+
-+ return __copy_from_user_ll_nocache_nozero(to, from, n);
- }
-
--unsigned long __must_check copy_to_user(void __user *to,
-- const void *from, unsigned long n);
--unsigned long __must_check _copy_from_user(void *to,
-- const void __user *from,
-- unsigned long n);
--
-+extern void copy_to_user_overflow(void)
-+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-+ __compiletime_error("copy_to_user() buffer size is not provably correct")
-+#else
-+ __compiletime_warning("copy_to_user() buffer size is not provably correct")
-+#endif
-+;
-
- extern void copy_from_user_overflow(void)
- #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-@@ -199,21 +222,65 @@ extern void copy_from_user_overflow(void)
- #endif
- ;
-
--static inline unsigned long __must_check copy_from_user(void *to,
-- const void __user *from,
-- unsigned long n)
-+/**
-+ * copy_to_user: - Copy a block of data into user space.
-+ * @to: Destination address, in user space.
-+ * @from: Source address, in kernel space.
-+ * @n: Number of bytes to copy.
-+ *
-+ * Context: User context only. This function may sleep.
-+ *
-+ * Copy data from kernel space to user space.
-+ *
-+ * Returns number of bytes that could not be copied.
-+ * On success, this will be zero.
-+ */
-+static inline unsigned long __must_check
-+copy_to_user(void __user *to, const void *from, unsigned long n)
- {
-- int sz = __compiletime_object_size(to);
-+ size_t sz = __compiletime_object_size(from);
-
-- if (likely(sz == -1 || sz >= n))
-- n = _copy_from_user(to, from, n);
-- else
-+ if (unlikely(sz != (size_t)-1 && sz < n))
-+ copy_to_user_overflow();
-+ else if (access_ok(VERIFY_WRITE, to, n))
-+ n = __copy_to_user(to, from, n);
-+ return n;
-+}
-+
-+/**
-+ * copy_from_user: - Copy a block of data from user space.
-+ * @to: Destination address, in kernel space.
-+ * @from: Source address, in user space.
-+ * @n: Number of bytes to copy.
-+ *
-+ * Context: User context only. This function may sleep.
-+ *
-+ * Copy data from user space to kernel space.
-+ *
-+ * Returns number of bytes that could not be copied.
-+ * On success, this will be zero.
-+ *
-+ * If some data could not be copied, this function will pad the copied
-+ * data to the requested size using zero bytes.
-+ */
-+static inline unsigned long __must_check
-+copy_from_user(void *to, const void __user *from, unsigned long n)
-+{
-+ size_t sz = __compiletime_object_size(to);
-+
-+ if (unlikely(sz != (size_t)-1 && sz < n))
- copy_from_user_overflow();
--
-+ else if (access_ok(VERIFY_READ, from, n))
-+ n = __copy_from_user(to, from, n);
-+ else if ((long)n > 0) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+ memset(to, 0, n);
-+ }
- return n;
- }
-
--unsigned long __must_check clear_user(void __user *mem, unsigned long len);
--unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
-+unsigned long __must_check clear_user(void __user *mem, unsigned long len) __size_overflow(2);
-+unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2);
-
- #endif /* _ASM_X86_UACCESS_32_H */
-diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
-index 8e796fb..72fd934 100644
---- a/arch/x86/include/asm/uaccess_64.h
-+++ b/arch/x86/include/asm/uaccess_64.h
-@@ -10,6 +10,9 @@
- #include <asm/alternative.h>
- #include <asm/cpufeature.h>
- #include <asm/page.h>
-+#include <asm/pgtable.h>
-+
-+#define set_fs(x) (current_thread_info()->addr_limit = (x))
-
- /*
- * Copy To/From Userspace
-@@ -17,12 +20,14 @@
-
- /* Handles exceptions in both to and from, but doesn't do access_ok */
- __must_check unsigned long
--copy_user_generic_string(void *to, const void *from, unsigned len);
-+copy_user_generic_string(void *to, const void *from, unsigned long len) __size_overflow(3);
- __must_check unsigned long
--copy_user_generic_unrolled(void *to, const void *from, unsigned len);
-+copy_user_generic_unrolled(void *to, const void *from, unsigned long len) __size_overflow(3);
-
- static __always_inline __must_check unsigned long
--copy_user_generic(void *to, const void *from, unsigned len)
-+copy_user_generic(void *to, const void *from, unsigned long len) __size_overflow(3);
-+static __always_inline __must_check unsigned long
-+copy_user_generic(void *to, const void *from, unsigned long len)
- {
- unsigned ret;
-
-@@ -32,142 +37,238 @@ copy_user_generic(void *to, const void *from, unsigned len)
- ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from),
- "=d" (len)),
- "1" (to), "2" (from), "3" (len)
-- : "memory", "rcx", "r8", "r9", "r10", "r11");
-+ : "memory", "rcx", "r8", "r9", "r11");
- return ret;
- }
-
-+static __always_inline __must_check unsigned long
-+__copy_to_user(void __user *to, const void *from, unsigned long len) __size_overflow(3);
-+static __always_inline __must_check unsigned long
-+__copy_from_user(void *to, const void __user *from, unsigned long len) __size_overflow(3);
- __must_check unsigned long
--_copy_to_user(void __user *to, const void *from, unsigned len);
--__must_check unsigned long
--_copy_from_user(void *to, const void __user *from, unsigned len);
--__must_check unsigned long
--copy_in_user(void __user *to, const void __user *from, unsigned len);
-+copy_in_user(void __user *to, const void __user *from, unsigned long len) __size_overflow(3);
-+
-+extern void copy_to_user_overflow(void)
-+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-+ __compiletime_error("copy_to_user() buffer size is not provably correct")
-+#else
-+ __compiletime_warning("copy_to_user() buffer size is not provably correct")
-+#endif
-+;
-+
-+extern void copy_from_user_overflow(void)
-+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-+ __compiletime_error("copy_from_user() buffer size is not provably correct")
-+#else
-+ __compiletime_warning("copy_from_user() buffer size is not provably correct")
-+#endif
-+;
-
- static inline unsigned long __must_check copy_from_user(void *to,
- const void __user *from,
- unsigned long n)
- {
-- int sz = __compiletime_object_size(to);
--
- might_fault();
-- if (likely(sz == -1 || sz >= n))
-- n = _copy_from_user(to, from, n);
--#ifdef CONFIG_DEBUG_VM
-- else
-- WARN(1, "Buffer overflow detected!\n");
--#endif
-+
-+ if (access_ok(VERIFY_READ, from, n))
-+ n = __copy_from_user(to, from, n);
-+ else if (n < INT_MAX) {
-+ if (!__builtin_constant_p(n))
-+ check_object_size(to, n, false);
-+ memset(to, 0, n);
-+ }
- return n;
- }
-
- static __always_inline __must_check
--int copy_to_user(void __user *dst, const void *src, unsigned size)
-+int copy_to_user(void __user *dst, const void *src, unsigned long size)
- {
- might_fault();
-
-- return _copy_to_user(dst, src, size);
-+ if (access_ok(VERIFY_WRITE, dst, size))
-+ size = __copy_to_user(dst, src, size);
-+ return size;
- }
-
- static __always_inline __must_check
--int __copy_from_user(void *dst, const void __user *src, unsigned size)
-+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size)
- {
-- int ret = 0;
-+ size_t sz = __compiletime_object_size(dst);
-+ unsigned ret = 0;
-
- might_fault();
-- if (!__builtin_constant_p(size))
-- return copy_user_generic(dst, (__force void *)src, size);
-+
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_READ, src, size))
-+ return size;
-+#endif
-+
-+ if (unlikely(sz != (size_t)-1 && sz < size)) {
-+ copy_from_user_overflow();
-+ return size;
-+ }
-+
-+ if (!__builtin_constant_p(size)) {
-+ check_object_size(dst, size, false);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic(dst, (__force_kernel const void *)src, size);
-+ }
- switch (size) {
-- case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src,
-+ case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src,
- ret, "b", "b", "=q", 1);
- return ret;
-- case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src,
-+ case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src,
- ret, "w", "w", "=r", 2);
- return ret;
-- case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src,
-+ case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src,
- ret, "l", "k", "=r", 4);
- return ret;
-- case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src,
-+ case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src,
- ret, "q", "", "=r", 8);
- return ret;
- case 10:
-- __get_user_asm(*(u64 *)dst, (u64 __user *)src,
-+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
- ret, "q", "", "=r", 10);
- if (unlikely(ret))
- return ret;
- __get_user_asm(*(u16 *)(8 + (char *)dst),
-- (u16 __user *)(8 + (char __user *)src),
-+ (const u16 __user *)(8 + (const char __user *)src),
- ret, "w", "w", "=r", 2);
- return ret;
- case 16:
-- __get_user_asm(*(u64 *)dst, (u64 __user *)src,
-+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
- ret, "q", "", "=r", 16);
- if (unlikely(ret))
- return ret;
- __get_user_asm(*(u64 *)(8 + (char *)dst),
-- (u64 __user *)(8 + (char __user *)src),
-+ (const u64 __user *)(8 + (const char __user *)src),
- ret, "q", "", "=r", 8);
- return ret;
- default:
-- return copy_user_generic(dst, (__force void *)src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic(dst, (__force_kernel const void *)src, size);
- }
- }
-
- static __always_inline __must_check
--int __copy_to_user(void __user *dst, const void *src, unsigned size)
-+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size)
- {
-- int ret = 0;
-+ size_t sz = __compiletime_object_size(src);
-+ unsigned ret = 0;
-
- might_fault();
-- if (!__builtin_constant_p(size))
-- return copy_user_generic((__force void *)dst, src, size);
-+
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_WRITE, dst, size))
-+ return size;
-+#endif
-+
-+ if (unlikely(sz != (size_t)-1 && sz < size)) {
-+ copy_to_user_overflow();
-+ return size;
-+ }
-+
-+ if (!__builtin_constant_p(size)) {
-+ check_object_size(src, size, true);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((__force_kernel void *)dst, src, size);
-+ }
- switch (size) {
-- case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst,
-+ case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst,
- ret, "b", "b", "iq", 1);
- return ret;
-- case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst,
-+ case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst,
- ret, "w", "w", "ir", 2);
- return ret;
-- case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst,
-+ case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst,
- ret, "l", "k", "ir", 4);
- return ret;
-- case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst,
-+ case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst,
- ret, "q", "", "er", 8);
- return ret;
- case 10:
-- __put_user_asm(*(u64 *)src, (u64 __user *)dst,
-+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
- ret, "q", "", "er", 10);
- if (unlikely(ret))
- return ret;
- asm("":::"memory");
-- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst,
-+ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst,
- ret, "w", "w", "ir", 2);
- return ret;
- case 16:
-- __put_user_asm(*(u64 *)src, (u64 __user *)dst,
-+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
- ret, "q", "", "er", 16);
- if (unlikely(ret))
- return ret;
- asm("":::"memory");
-- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst,
-+ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst,
- ret, "q", "", "er", 8);
- return ret;
- default:
-- return copy_user_generic((__force void *)dst, src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((__force_kernel void *)dst, src, size);
- }
- }
-
- static __always_inline __must_check
--int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
-+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned long size)
- {
-- int ret = 0;
-+ unsigned ret = 0;
-
- might_fault();
-- if (!__builtin_constant_p(size))
-- return copy_user_generic((__force void *)dst,
-- (__force void *)src, size);
-+
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_READ, src, size))
-+ return size;
-+ if (!__access_ok(VERIFY_WRITE, dst, size))
-+ return size;
-+#endif
-+
-+ if (!__builtin_constant_p(size)) {
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((__force_kernel void *)dst,
-+ (__force_kernel const void *)src, size);
-+ }
- switch (size) {
- case 1: {
- u8 tmp;
-- __get_user_asm(tmp, (u8 __user *)src,
-+ __get_user_asm(tmp, (const u8 __user *)src,
- ret, "b", "b", "=q", 1);
- if (likely(!ret))
- __put_user_asm(tmp, (u8 __user *)dst,
-@@ -176,7 +277,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
- }
- case 2: {
- u16 tmp;
-- __get_user_asm(tmp, (u16 __user *)src,
-+ __get_user_asm(tmp, (const u16 __user *)src,
- ret, "w", "w", "=r", 2);
- if (likely(!ret))
- __put_user_asm(tmp, (u16 __user *)dst,
-@@ -186,7 +287,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
-
- case 4: {
- u32 tmp;
-- __get_user_asm(tmp, (u32 __user *)src,
-+ __get_user_asm(tmp, (const u32 __user *)src,
- ret, "l", "k", "=r", 4);
- if (likely(!ret))
- __put_user_asm(tmp, (u32 __user *)dst,
-@@ -195,7 +296,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
- }
- case 8: {
- u64 tmp;
-- __get_user_asm(tmp, (u64 __user *)src,
-+ __get_user_asm(tmp, (const u64 __user *)src,
- ret, "q", "", "=r", 8);
- if (likely(!ret))
- __put_user_asm(tmp, (u64 __user *)dst,
-@@ -203,44 +304,89 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
- return ret;
- }
- default:
-- return copy_user_generic((__force void *)dst,
-- (__force void *)src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((__force_kernel void *)dst,
-+ (__force_kernel const void *)src, size);
- }
- }
-
--__must_check unsigned long clear_user(void __user *mem, unsigned long len);
--__must_check unsigned long __clear_user(void __user *mem, unsigned long len);
-+__must_check unsigned long clear_user(void __user *mem, unsigned long len) __size_overflow(2);
-+__must_check unsigned long __clear_user(void __user *mem, unsigned long len) __size_overflow(2);
-
- static __must_check __always_inline int
--__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size)
-+__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size)
- {
-- return copy_user_generic(dst, (__force const void *)src, size);
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_READ, src, size))
-+ return size;
-+
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic(dst, (__force_kernel const void *)src, size);
- }
-
--static __must_check __always_inline int
--__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
-+static __must_check __always_inline unsigned long
-+__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size)
- {
-- return copy_user_generic((__force void *)dst, src, size);
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_WRITE, dst, size))
-+ return size;
-+
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((__force_kernel void *)dst, src, size);
- }
-
--extern long __copy_user_nocache(void *dst, const void __user *src,
-- unsigned size, int zerorest);
-+extern unsigned long __copy_user_nocache(void *dst, const void __user *src,
-+ unsigned long size, int zerorest) __size_overflow(3);
-
--static inline int
--__copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
-+static inline unsigned long __copy_from_user_nocache(void *dst, const void __user *src, unsigned long size)
- {
- might_sleep();
-+
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_READ, src, size))
-+ return size;
-+#endif
-+
- return __copy_user_nocache(dst, src, size, 1);
- }
-
--static inline int
--__copy_from_user_inatomic_nocache(void *dst, const void __user *src,
-- unsigned size)
-+static inline unsigned long __copy_from_user_inatomic_nocache(void *dst, const void __user *src,
-+ unsigned long size)
- {
-+ if (size > INT_MAX)
-+ return size;
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if (!__access_ok(VERIFY_READ, src, size))
-+ return size;
-+#endif
-+
- return __copy_user_nocache(dst, src, size, 0);
- }
-
--unsigned long
--copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest);
-+extern unsigned long
-+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest) __size_overflow(3);
-
- #endif /* _ASM_X86_UACCESS_64_H */
-diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
-index bb05228..d763d5b 100644
---- a/arch/x86/include/asm/vdso.h
-+++ b/arch/x86/include/asm/vdso.h
-@@ -11,7 +11,7 @@ extern const char VDSO32_PRELINK[];
- #define VDSO32_SYMBOL(base, name) \
- ({ \
- extern const char VDSO32_##name[]; \
-- (void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
-+ (void __user *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
- })
- #endif
-
-diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h
-index 5b238981..77fdd78 100644
---- a/arch/x86/include/asm/word-at-a-time.h
-+++ b/arch/x86/include/asm/word-at-a-time.h
-@@ -11,7 +11,7 @@
- * and shift, for example.
- */
- struct word_at_a_time {
-- const unsigned long one_bits, high_bits;
-+ unsigned long one_bits, high_bits;
- };
-
- #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
-diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
-index c090af1..7e7bf16 100644
---- a/arch/x86/include/asm/x86_init.h
-+++ b/arch/x86/include/asm/x86_init.h
-@@ -29,7 +29,7 @@ struct x86_init_mpparse {
- void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
- void (*find_smp_config)(void);
- void (*get_smp_config)(unsigned int early);
--};
-+} __no_const;
-
- /**
- * struct x86_init_resources - platform specific resource related ops
-@@ -43,7 +43,7 @@ struct x86_init_resources {
- void (*probe_roms)(void);
- void (*reserve_resources)(void);
- char *(*memory_setup)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_irqs - platform specific interrupt setup
-@@ -56,7 +56,7 @@ struct x86_init_irqs {
- void (*pre_vector_init)(void);
- void (*intr_init)(void);
- void (*trap_init)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_oem - oem platform specific customizing functions
-@@ -66,7 +66,7 @@ struct x86_init_irqs {
- struct x86_init_oem {
- void (*arch_setup)(void);
- void (*banner)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_mapping - platform specific initial kernel pagetable setup
-@@ -77,7 +77,7 @@ struct x86_init_oem {
- */
- struct x86_init_mapping {
- void (*pagetable_reserve)(u64 start, u64 end);
--};
-+} __no_const;
-
- /**
- * struct x86_init_paging - platform specific paging functions
-@@ -87,7 +87,7 @@ struct x86_init_mapping {
- struct x86_init_paging {
- void (*pagetable_setup_start)(pgd_t *base);
- void (*pagetable_setup_done)(pgd_t *base);
--};
-+} __no_const;
-
- /**
- * struct x86_init_timers - platform specific timer setup
-@@ -102,7 +102,7 @@ struct x86_init_timers {
- void (*tsc_pre_init)(void);
- void (*timer_init)(void);
- void (*wallclock_init)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_iommu - platform specific iommu setup
-@@ -110,7 +110,7 @@ struct x86_init_timers {
- */
- struct x86_init_iommu {
- int (*iommu_init)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_pci - platform specific pci init functions
-@@ -124,7 +124,7 @@ struct x86_init_pci {
- int (*init)(void);
- void (*init_irq)(void);
- void (*fixup_irqs)(void);
--};
-+} __no_const;
-
- /**
- * struct x86_init_ops - functions for platform specific setup
-@@ -140,7 +140,7 @@ struct x86_init_ops {
- struct x86_init_timers timers;
- struct x86_init_iommu iommu;
- struct x86_init_pci pci;
--};
-+} __no_const;
-
- /**
- * struct x86_cpuinit_ops - platform specific cpu hotplug setups
-@@ -151,7 +151,7 @@ struct x86_cpuinit_ops {
- void (*setup_percpu_clockev)(void);
- void (*early_percpu_clock_init)(void);
- void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
--};
-+} __no_const;
-
- /**
- * struct x86_platform_ops - platform specific runtime functions
-@@ -177,7 +177,7 @@ struct x86_platform_ops {
- int (*i8042_detect)(void);
- void (*save_sched_clock_state)(void);
- void (*restore_sched_clock_state)(void);
--};
-+} __no_const;
-
- struct pci_dev;
-
-@@ -186,14 +186,14 @@ struct x86_msi_ops {
- void (*teardown_msi_irq)(unsigned int irq);
- void (*teardown_msi_irqs)(struct pci_dev *dev);
- void (*restore_msi_irqs)(struct pci_dev *dev, int irq);
--};
-+} __no_const;
-
- struct x86_io_apic_ops {
- void (*init) (void);
- unsigned int (*read) (unsigned int apic, unsigned int reg);
- void (*write) (unsigned int apic, unsigned int reg, unsigned int value);
- void (*modify)(unsigned int apic, unsigned int reg, unsigned int value);
--};
-+} __no_const;
-
- extern struct x86_init_ops x86_init;
- extern struct x86_cpuinit_ops x86_cpuinit;
-diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
-index 8a1b6f9..a29c4e4 100644
---- a/arch/x86/include/asm/xsave.h
-+++ b/arch/x86/include/asm/xsave.h
-@@ -65,6 +65,11 @@ static inline int xsave_user(struct xsave_struct __user *buf)
- {
- int err;
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ if ((unsigned long)buf < PAX_USER_SHADOW_BASE)
-+ buf = (struct xsave_struct __user *)((void __user*)buf + PAX_USER_SHADOW_BASE);
-+#endif
-+
- /*
- * Clear the xsave header first, so that reserved fields are
- * initialized to zero.
-@@ -93,10 +98,15 @@ static inline int xsave_user(struct xsave_struct __user *buf)
- static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask)
- {
- int err;
-- struct xsave_struct *xstate = ((__force struct xsave_struct *)buf);
-+ struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf);
- u32 lmask = mask;
- u32 hmask = mask >> 32;
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ if ((unsigned long)xstate < PAX_USER_SHADOW_BASE)
-+ xstate = (struct xsave_struct *)((void *)xstate + PAX_USER_SHADOW_BASE);
-+#endif
-+
- __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
-diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
-index 95bf99de..de9235c 100644
---- a/arch/x86/kernel/acpi/sleep.c
-+++ b/arch/x86/kernel/acpi/sleep.c
-@@ -73,8 +73,12 @@ int acpi_suspend_lowlevel(void)
- #else /* CONFIG_64BIT */
- #ifdef CONFIG_SMP
- stack_start = (unsigned long)temp_stack + sizeof(temp_stack);
-+
-+ pax_open_kernel();
- early_gdt_descr.address =
- (unsigned long)get_cpu_gdt_table(smp_processor_id());
-+ pax_close_kernel();
-+
- initial_gs = per_cpu_offset(smp_processor_id());
- #endif
- initial_code = (unsigned long)wakeup_long64;
-diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
-index 7261083..5c12053 100644
---- a/arch/x86/kernel/acpi/wakeup_32.S
-+++ b/arch/x86/kernel/acpi/wakeup_32.S
-@@ -30,13 +30,11 @@ wakeup_pmode_return:
- # and restore the stack ... but you need gdt for this to work
- movl saved_context_esp, %esp
-
-- movl %cs:saved_magic, %eax
-- cmpl $0x12345678, %eax
-+ cmpl $0x12345678, saved_magic
- jne bogus_magic
-
- # jump to place where we left off
-- movl saved_eip, %eax
-- jmp *%eax
-+ jmp *(saved_eip)
-
- bogus_magic:
- jmp bogus_magic
-diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
-index 73ef56c..0238021 100644
---- a/arch/x86/kernel/alternative.c
-+++ b/arch/x86/kernel/alternative.c
-@@ -276,6 +276,13 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
- */
- for (a = start; a < end; a++) {
- instr = (u8 *)&a->instr_offset + a->instr_offset;
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+ if (instr < (u8 *)_text || (u8 *)_einittext <= instr)
-+ instr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+#endif
-+
- replacement = (u8 *)&a->repl_offset + a->repl_offset;
- BUG_ON(a->replacementlen > a->instrlen);
- BUG_ON(a->instrlen > sizeof(insnbuf));
-@@ -307,10 +314,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end,
- for (poff = start; poff < end; poff++) {
- u8 *ptr = (u8 *)poff + *poff;
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
-+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+#endif
-+
- if (!*poff || ptr < text || ptr >= text_end)
- continue;
- /* turn DS segment override prefix into lock prefix */
-- if (*ptr == 0x3e)
-+ if (*ktla_ktva(ptr) == 0x3e)
- text_poke(ptr, ((unsigned char []){0xf0}), 1);
- };
- mutex_unlock(&text_mutex);
-@@ -328,10 +341,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end,
- for (poff = start; poff < end; poff++) {
- u8 *ptr = (u8 *)poff + *poff;
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
-+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+#endif
-+
- if (!*poff || ptr < text || ptr >= text_end)
- continue;
- /* turn lock prefix into DS segment override prefix */
-- if (*ptr == 0xf0)
-+ if (*ktla_ktva(ptr) == 0xf0)
- text_poke(ptr, ((unsigned char []){0x3E}), 1);
- };
- mutex_unlock(&text_mutex);
-@@ -500,7 +519,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start,
-
- BUG_ON(p->len > MAX_PATCH_LEN);
- /* prep the buffer with the original instructions */
-- memcpy(insnbuf, p->instr, p->len);
-+ memcpy(insnbuf, ktla_ktva(p->instr), p->len);
- used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf,
- (unsigned long)p->instr, p->len);
-
-@@ -568,7 +587,7 @@ void __init alternative_instructions(void)
- if (smp_alt_once)
- free_init_pages("SMP alternatives",
- (unsigned long)__smp_locks,
-- (unsigned long)__smp_locks_end);
-+ PAGE_ALIGN((unsigned long)__smp_locks_end));
-
- restart_nmi();
- }
-@@ -585,13 +604,17 @@ void __init alternative_instructions(void)
- * instructions. And on the local CPU you need to be protected again NMI or MCE
- * handlers seeing an inconsistent instruction while you patch.
- */
--void *__init_or_module text_poke_early(void *addr, const void *opcode,
-+void *__kprobes text_poke_early(void *addr, const void *opcode,
- size_t len)
- {
- unsigned long flags;
- local_irq_save(flags);
-- memcpy(addr, opcode, len);
-+
-+ pax_open_kernel();
-+ memcpy(ktla_ktva(addr), opcode, len);
- sync_core();
-+ pax_close_kernel();
-+
- local_irq_restore(flags);
- /* Could also do a CLFLUSH here to speed up CPU recovery; but
- that causes hangs on some VIA CPUs. */
-@@ -613,36 +636,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode,
- */
- void *__kprobes text_poke(void *addr, const void *opcode, size_t len)
- {
-- unsigned long flags;
-- char *vaddr;
-+ unsigned char *vaddr = ktla_ktva(addr);
- struct page *pages[2];
-- int i;
-+ size_t i;
-
- if (!core_kernel_text((unsigned long)addr)) {
-- pages[0] = vmalloc_to_page(addr);
-- pages[1] = vmalloc_to_page(addr + PAGE_SIZE);
-+ pages[0] = vmalloc_to_page(vaddr);
-+ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE);
- } else {
-- pages[0] = virt_to_page(addr);
-+ pages[0] = virt_to_page(vaddr);
- WARN_ON(!PageReserved(pages[0]));
-- pages[1] = virt_to_page(addr + PAGE_SIZE);
-+ pages[1] = virt_to_page(vaddr + PAGE_SIZE);
- }
- BUG_ON(!pages[0]);
-- local_irq_save(flags);
-- set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0]));
-- if (pages[1])
-- set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1]));
-- vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0);
-- memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len);
-- clear_fixmap(FIX_TEXT_POKE0);
-- if (pages[1])
-- clear_fixmap(FIX_TEXT_POKE1);
-- local_flush_tlb();
-- sync_core();
-- /* Could also do a CLFLUSH here to speed up CPU recovery; but
-- that causes hangs on some VIA CPUs. */
-+ text_poke_early(addr, opcode, len);
- for (i = 0; i < len; i++)
-- BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]);
-- local_irq_restore(flags);
-+ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]);
- return addr;
- }
-
-diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
-index 39a222e..85a7767 100644
---- a/arch/x86/kernel/apic/apic.c
-+++ b/arch/x86/kernel/apic/apic.c
-@@ -185,7 +185,7 @@ int first_system_vector = 0xfe;
- /*
- * Debug level, exported for io_apic.c
- */
--unsigned int apic_verbosity;
-+int apic_verbosity;
-
- int pic_mode;
-
-@@ -1923,7 +1923,7 @@ void smp_error_interrupt(struct pt_regs *regs)
- apic_write(APIC_ESR, 0);
- v1 = apic_read(APIC_ESR);
- ack_APIC_irq();
-- atomic_inc(&irq_err_count);
-+ atomic_inc_unchecked(&irq_err_count);
-
- apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x(%02x)",
- smp_processor_id(), v0 , v1);
-diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
-index 5f0ff59..f9e01bc 100644
---- a/arch/x86/kernel/apic/io_apic.c
-+++ b/arch/x86/kernel/apic/io_apic.c
-@@ -1084,7 +1084,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin,
- }
- EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
-
--void lock_vector_lock(void)
-+void lock_vector_lock(void) __acquires(vector_lock)
- {
- /* Used to the online set of cpus does not change
- * during assign_irq_vector.
-@@ -1092,7 +1092,7 @@ void lock_vector_lock(void)
- raw_spin_lock(&vector_lock);
- }
-
--void unlock_vector_lock(void)
-+void unlock_vector_lock(void) __releases(vector_lock)
- {
- raw_spin_unlock(&vector_lock);
- }
-@@ -2369,7 +2369,7 @@ static void ack_apic_edge(struct irq_data *data)
- ack_APIC_irq();
- }
-
--atomic_t irq_mis_count;
-+atomic_unchecked_t irq_mis_count;
-
- #ifdef CONFIG_GENERIC_PENDING_IRQ
- static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
-@@ -2510,7 +2510,7 @@ static void ack_apic_level(struct irq_data *data)
- * at the cpu.
- */
- if (!(v & (1 << (i & 0x1f)))) {
-- atomic_inc(&irq_mis_count);
-+ atomic_inc_unchecked(&irq_mis_count);
-
- eoi_ioapic_irq(irq, cfg);
- }
-diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
-index 07b0c0d..1df6f42 100644
---- a/arch/x86/kernel/apm_32.c
-+++ b/arch/x86/kernel/apm_32.c
-@@ -410,7 +410,7 @@ static DEFINE_MUTEX(apm_mutex);
- * This is for buggy BIOS's that refer to (real mode) segment 0x40
- * even though they are called in protected mode.
- */
--static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
-+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
- (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
-
- static const char driver_version[] = "1.16ac"; /* no spaces */
-@@ -588,7 +588,10 @@ static long __apm_bios_call(void *_call)
- BUG_ON(cpu != 0);
- gdt = get_cpu_gdt_table(cpu);
- save_desc_40 = gdt[0x40 / 8];
-+
-+ pax_open_kernel();
- gdt[0x40 / 8] = bad_bios_desc;
-+ pax_close_kernel();
-
- apm_irq_save(flags);
- APM_DO_SAVE_SEGS;
-@@ -597,7 +600,11 @@ static long __apm_bios_call(void *_call)
- &call->esi);
- APM_DO_RESTORE_SEGS;
- apm_irq_restore(flags);
-+
-+ pax_open_kernel();
- gdt[0x40 / 8] = save_desc_40;
-+ pax_close_kernel();
-+
- put_cpu();
-
- return call->eax & 0xff;
-@@ -664,7 +671,10 @@ static long __apm_bios_call_simple(void *_call)
- BUG_ON(cpu != 0);
- gdt = get_cpu_gdt_table(cpu);
- save_desc_40 = gdt[0x40 / 8];
-+
-+ pax_open_kernel();
- gdt[0x40 / 8] = bad_bios_desc;
-+ pax_close_kernel();
-
- apm_irq_save(flags);
- APM_DO_SAVE_SEGS;
-@@ -672,7 +682,11 @@ static long __apm_bios_call_simple(void *_call)
- &call->eax);
- APM_DO_RESTORE_SEGS;
- apm_irq_restore(flags);
-+
-+ pax_open_kernel();
- gdt[0x40 / 8] = save_desc_40;
-+ pax_close_kernel();
-+
- put_cpu();
- return error;
- }
-@@ -2345,12 +2359,15 @@ static int __init apm_init(void)
- * code to that CPU.
- */
- gdt = get_cpu_gdt_table(0);
-+
-+ pax_open_kernel();
- set_desc_base(&gdt[APM_CS >> 3],
- (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4));
- set_desc_base(&gdt[APM_CS_16 >> 3],
- (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4));
- set_desc_base(&gdt[APM_DS >> 3],
- (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4));
-+ pax_close_kernel();
-
- proc_create("apm", 0, NULL, &apm_file_ops);
-
-diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
-index 68de2dc..1f3c720 100644
---- a/arch/x86/kernel/asm-offsets.c
-+++ b/arch/x86/kernel/asm-offsets.c
-@@ -33,6 +33,8 @@ void common(void) {
- OFFSET(TI_status, thread_info, status);
- OFFSET(TI_addr_limit, thread_info, addr_limit);
- OFFSET(TI_preempt_count, thread_info, preempt_count);
-+ OFFSET(TI_lowest_stack, thread_info, lowest_stack);
-+ DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo));
-
- BLANK();
- OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
-@@ -53,8 +55,26 @@ void common(void) {
- OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
- OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
- OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0);
- #endif
-
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3);
-+ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3);
-+#ifdef CONFIG_X86_64
-+ OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched);
-+#endif
-+#endif
-+
-+#endif
-+
-+ BLANK();
-+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
-+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
-+ DEFINE(THREAD_SIZE_asm, THREAD_SIZE);
-+
- #ifdef CONFIG_XEN
- BLANK();
- OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
-diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
-index 1b4754f..fbb4227 100644
---- a/arch/x86/kernel/asm-offsets_64.c
-+++ b/arch/x86/kernel/asm-offsets_64.c
-@@ -76,6 +76,7 @@ int main(void)
- BLANK();
- #undef ENTRY
-
-+ DEFINE(TSS_size, sizeof(struct tss_struct));
- OFFSET(TSS_ist, tss_struct, x86_tss.ist);
- BLANK();
-
-diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
-index 6ab6aa2..8f71507 100644
---- a/arch/x86/kernel/cpu/Makefile
-+++ b/arch/x86/kernel/cpu/Makefile
-@@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg
- CFLAGS_REMOVE_perf_event.o = -pg
- endif
-
--# Make sure load_percpu_segment has no stackprotector
--nostackp := $(call cc-option, -fno-stack-protector)
--CFLAGS_common.o := $(nostackp)
--
- obj-y := intel_cacheinfo.o scattered.o topology.o
- obj-y += proc.o capflags.o powerflags.o common.o
- obj-y += vmware.o hypervisor.o sched.o mshyperv.o
-diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
-index 146bb62..ac9c74a 100644
---- a/arch/x86/kernel/cpu/amd.c
-+++ b/arch/x86/kernel/cpu/amd.c
-@@ -691,7 +691,7 @@ static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 *c,
- unsigned int size)
- {
- /* AMD errata T13 (order #21922) */
-- if ((c->x86 == 6)) {
-+ if (c->x86 == 6) {
- /* Duron Rev A0 */
- if (c->x86_model == 3 && c->x86_mask == 0)
- size = 64;
-diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
-index 6b9333b..4c3083a 100644
---- a/arch/x86/kernel/cpu/common.c
-+++ b/arch/x86/kernel/cpu/common.c
-@@ -86,60 +86,6 @@ static const struct cpu_dev __cpuinitconst default_cpu = {
-
- static const struct cpu_dev *this_cpu __cpuinitdata = &default_cpu;
-
--DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = {
--#ifdef CONFIG_X86_64
-- /*
-- * We need valid kernel segments for data and code in long mode too
-- * IRET will check the segment types kkeil 2000/10/28
-- * Also sysret mandates a special GDT layout
-- *
-- * TLS descriptors are currently at a different place compared to i386.
-- * Hopefully nobody expects them at a fixed place (Wine?)
-- */
-- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff),
-- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff),
-- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff),
-- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff),
-- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff),
-- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff),
--#else
-- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff),
-- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
-- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff),
-- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff),
-- /*
-- * Segments used for calling PnP BIOS have byte granularity.
-- * They code segments and data segments have fixed 64k limits,
-- * the transfer segment sizes are set at run time.
-- */
-- /* 32-bit code */
-- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
-- /* 16-bit code */
-- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
-- /* 16-bit data */
-- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff),
-- /* 16-bit data */
-- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0),
-- /* 16-bit data */
-- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0),
-- /*
-- * The APM segments have byte granularity and their bases
-- * are set at run time. All have 64k limits.
-- */
-- /* 32-bit code */
-- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
-- /* 16-bit code */
-- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
-- /* data */
-- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff),
--
-- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
-- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
-- GDT_STACK_CANARY_INIT
--#endif
--} };
--EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
--
- static int __init x86_xsave_setup(char *s)
- {
- setup_clear_cpu_cap(X86_FEATURE_XSAVE);
-@@ -374,7 +320,7 @@ void switch_to_new_gdt(int cpu)
- {
- struct desc_ptr gdt_descr;
-
-- gdt_descr.address = (long)get_cpu_gdt_table(cpu);
-+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
- gdt_descr.size = GDT_SIZE - 1;
- load_gdt(&gdt_descr);
- /* Reload the per-cpu base */
-@@ -841,6 +787,10 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
- /* Filter out anything that depends on CPUID levels we don't have */
- filter_cpuid_features(c, true);
-
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
-+ setup_clear_cpu_cap(X86_FEATURE_SEP);
-+#endif
-+
- /* If the model name is still unset, do table lookup. */
- if (!c->x86_model_id[0]) {
- const char *p;
-@@ -1021,10 +971,12 @@ static __init int setup_disablecpuid(char *arg)
- }
- __setup("clearcpuid=", setup_disablecpuid);
-
-+DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo;
-+EXPORT_PER_CPU_SYMBOL(current_tinfo);
-+
- #ifdef CONFIG_X86_64
- struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
--struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1,
-- (unsigned long) nmi_idt_table };
-+struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) nmi_idt_table };
-
- DEFINE_PER_CPU_FIRST(union irq_stack_union,
- irq_stack_union) __aligned(PAGE_SIZE);
-@@ -1038,7 +990,7 @@ DEFINE_PER_CPU(struct task_struct *, current_task) ____cacheline_aligned =
- EXPORT_PER_CPU_SYMBOL(current_task);
-
- DEFINE_PER_CPU(unsigned long, kernel_stack) =
-- (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE;
-+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE;
- EXPORT_PER_CPU_SYMBOL(kernel_stack);
-
- DEFINE_PER_CPU(char *, irq_stack_ptr) =
-@@ -1132,7 +1084,7 @@ struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs)
- {
- memset(regs, 0, sizeof(struct pt_regs));
- regs->fs = __KERNEL_PERCPU;
-- regs->gs = __KERNEL_STACK_CANARY;
-+ savesegment(gs, regs->gs);
-
- return regs;
- }
-@@ -1187,7 +1139,7 @@ void __cpuinit cpu_init(void)
- int i;
-
- cpu = stack_smp_processor_id();
-- t = &per_cpu(init_tss, cpu);
-+ t = init_tss + cpu;
- oist = &per_cpu(orig_ist, cpu);
-
- #ifdef CONFIG_NUMA
-@@ -1213,7 +1165,7 @@ void __cpuinit cpu_init(void)
- switch_to_new_gdt(cpu);
- loadsegment(fs, 0);
-
-- load_idt((const struct desc_ptr *)&idt_descr);
-+ load_idt(&idt_descr);
-
- memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
- syscall_init();
-@@ -1222,7 +1174,6 @@ void __cpuinit cpu_init(void)
- wrmsrl(MSR_KERNEL_GS_BASE, 0);
- barrier();
-
-- x86_configure_nx();
- if (cpu != 0)
- enable_x2apic();
-
-@@ -1278,7 +1229,7 @@ void __cpuinit cpu_init(void)
- {
- int cpu = smp_processor_id();
- struct task_struct *curr = current;
-- struct tss_struct *t = &per_cpu(init_tss, cpu);
-+ struct tss_struct *t = init_tss + cpu;
- struct thread_struct *thread = &curr->thread;
-
- if (cpumask_test_and_set_cpu(cpu, cpu_initialized_mask)) {
-diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
-index 3e6ff6c..54b4992 100644
---- a/arch/x86/kernel/cpu/intel.c
-+++ b/arch/x86/kernel/cpu/intel.c
-@@ -174,7 +174,7 @@ static void __cpuinit trap_init_f00f_bug(void)
- * Update the IDT descriptor and reload the IDT so that
- * it uses the read-only mapped virtual address.
- */
-- idt_descr.address = fix_to_virt(FIX_F00F_IDT);
-+ idt_descr.address = (struct desc_struct *)fix_to_virt(FIX_F00F_IDT);
- load_idt(&idt_descr);
- }
- #endif
-diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
-index c46ed49..5dc0a53 100644
---- a/arch/x86/kernel/cpu/mcheck/mce.c
-+++ b/arch/x86/kernel/cpu/mcheck/mce.c
-@@ -42,6 +42,7 @@
- #include <asm/processor.h>
- #include <asm/mce.h>
- #include <asm/msr.h>
-+#include <asm/local.h>
-
- #include "mce-internal.h"
-
-@@ -250,7 +251,7 @@ static void print_mce(struct mce *m)
- !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
- m->cs, m->ip);
-
-- if (m->cs == __KERNEL_CS)
-+ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS)
- print_symbol("{%s}", m->ip);
- pr_cont("\n");
- }
-@@ -283,10 +284,10 @@ static void print_mce(struct mce *m)
-
- #define PANIC_TIMEOUT 5 /* 5 seconds */
-
--static atomic_t mce_paniced;
-+static atomic_unchecked_t mce_paniced;
-
- static int fake_panic;
--static atomic_t mce_fake_paniced;
-+static atomic_unchecked_t mce_fake_paniced;
-
- /* Panic in progress. Enable interrupts and wait for final IPI */
- static void wait_for_panic(void)
-@@ -310,7 +311,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
- /*
- * Make sure only one CPU runs in machine check panic
- */
-- if (atomic_inc_return(&mce_paniced) > 1)
-+ if (atomic_inc_return_unchecked(&mce_paniced) > 1)
- wait_for_panic();
- barrier();
-
-@@ -318,7 +319,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
- console_verbose();
- } else {
- /* Don't log too much for fake panic */
-- if (atomic_inc_return(&mce_fake_paniced) > 1)
-+ if (atomic_inc_return_unchecked(&mce_fake_paniced) > 1)
- return;
- }
- /* First print corrected ones that are still unlogged */
-@@ -686,7 +687,7 @@ static int mce_timed_out(u64 *t)
- * might have been modified by someone else.
- */
- rmb();
-- if (atomic_read(&mce_paniced))
-+ if (atomic_read_unchecked(&mce_paniced))
- wait_for_panic();
- if (!monarch_timeout)
- goto out;
-@@ -1581,7 +1582,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code)
- }
-
- /* Call the installed machine check handler for this CPU setup. */
--void (*machine_check_vector)(struct pt_regs *, long error_code) =
-+void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only =
- unexpected_machine_check;
-
- /*
-@@ -1604,7 +1605,9 @@ void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
- return;
- }
-
-+ pax_open_kernel();
- machine_check_vector = do_machine_check;
-+ pax_close_kernel();
-
- __mcheck_cpu_init_generic();
- __mcheck_cpu_init_vendor(c);
-@@ -1618,7 +1621,7 @@ void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
- */
-
- static DEFINE_SPINLOCK(mce_chrdev_state_lock);
--static int mce_chrdev_open_count; /* #times opened */
-+static local_t mce_chrdev_open_count; /* #times opened */
- static int mce_chrdev_open_exclu; /* already open exclusive? */
-
- static int mce_chrdev_open(struct inode *inode, struct file *file)
-@@ -1626,7 +1629,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
- spin_lock(&mce_chrdev_state_lock);
-
- if (mce_chrdev_open_exclu ||
-- (mce_chrdev_open_count && (file->f_flags & O_EXCL))) {
-+ (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) {
- spin_unlock(&mce_chrdev_state_lock);
-
- return -EBUSY;
-@@ -1634,7 +1637,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
-
- if (file->f_flags & O_EXCL)
- mce_chrdev_open_exclu = 1;
-- mce_chrdev_open_count++;
-+ local_inc(&mce_chrdev_open_count);
-
- spin_unlock(&mce_chrdev_state_lock);
-
-@@ -1645,7 +1648,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file)
- {
- spin_lock(&mce_chrdev_state_lock);
-
-- mce_chrdev_open_count--;
-+ local_dec(&mce_chrdev_open_count);
- mce_chrdev_open_exclu = 0;
-
- spin_unlock(&mce_chrdev_state_lock);
-@@ -2370,7 +2373,7 @@ struct dentry *mce_get_debugfs_dir(void)
- static void mce_reset(void)
- {
- cpu_missing = 0;
-- atomic_set(&mce_fake_paniced, 0);
-+ atomic_set_unchecked(&mce_fake_paniced, 0);
- atomic_set(&mce_executing, 0);
- atomic_set(&mce_callin, 0);
- atomic_set(&global_nwo, 0);
-diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
-index 2d5454c..51987eb 100644
---- a/arch/x86/kernel/cpu/mcheck/p5.c
-+++ b/arch/x86/kernel/cpu/mcheck/p5.c
-@@ -11,6 +11,7 @@
- #include <asm/processor.h>
- #include <asm/mce.h>
- #include <asm/msr.h>
-+#include <asm/pgtable.h>
-
- /* By default disabled */
- int mce_p5_enabled __read_mostly;
-@@ -49,7 +50,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c)
- if (!cpu_has(c, X86_FEATURE_MCE))
- return;
-
-+ pax_open_kernel();
- machine_check_vector = pentium_machine_check;
-+ pax_close_kernel();
- /* Make sure the vector pointer is visible before we enable MCEs: */
- wmb();
-
-diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
-index 2d7998f..17c9de1 100644
---- a/arch/x86/kernel/cpu/mcheck/winchip.c
-+++ b/arch/x86/kernel/cpu/mcheck/winchip.c
-@@ -10,6 +10,7 @@
- #include <asm/processor.h>
- #include <asm/mce.h>
- #include <asm/msr.h>
-+#include <asm/pgtable.h>
-
- /* Machine check handler for WinChip C6: */
- static void winchip_machine_check(struct pt_regs *regs, long error_code)
-@@ -23,7 +24,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c)
- {
- u32 lo, hi;
-
-+ pax_open_kernel();
- machine_check_vector = winchip_machine_check;
-+ pax_close_kernel();
- /* Make sure the vector pointer is visible before we enable MCEs: */
- wmb();
-
-diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
-index 6b96110..0da73eb 100644
---- a/arch/x86/kernel/cpu/mtrr/main.c
-+++ b/arch/x86/kernel/cpu/mtrr/main.c
-@@ -62,7 +62,7 @@ static DEFINE_MUTEX(mtrr_mutex);
- u64 size_or_mask, size_and_mask;
- static bool mtrr_aps_delayed_init;
-
--static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM];
-+static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only;
-
- const struct mtrr_ops *mtrr_if;
-
-diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h
-index df5e41f..816c719 100644
---- a/arch/x86/kernel/cpu/mtrr/mtrr.h
-+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
-@@ -25,7 +25,7 @@ struct mtrr_ops {
- int (*validate_add_page)(unsigned long base, unsigned long size,
- unsigned int type);
- int (*have_wrcomb)(void);
--};
-+} __do_const;
-
- extern int generic_get_free_region(unsigned long base, unsigned long size,
- int replace_reg);
-diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
-index c4706cf..264b0f7 100644
---- a/arch/x86/kernel/cpu/perf_event.c
-+++ b/arch/x86/kernel/cpu/perf_event.c
-@@ -1837,7 +1837,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
- break;
-
- perf_callchain_store(entry, frame.return_address);
-- fp = frame.next_frame;
-+ fp = (const void __force_user *)frame.next_frame;
- }
- }
-
-diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
-index 13ad899..f642b9a 100644
---- a/arch/x86/kernel/crash.c
-+++ b/arch/x86/kernel/crash.c
-@@ -36,10 +36,8 @@ static void kdump_nmi_callback(int cpu, struct pt_regs *regs)
- {
- #ifdef CONFIG_X86_32
- struct pt_regs fixed_regs;
--#endif
-
--#ifdef CONFIG_X86_32
-- if (!user_mode_vm(regs)) {
-+ if (!user_mode(regs)) {
- crash_fixup_ss_esp(&fixed_regs, regs);
- regs = &fixed_regs;
- }
-diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c
-index 37250fe..bf2ec74 100644
---- a/arch/x86/kernel/doublefault_32.c
-+++ b/arch/x86/kernel/doublefault_32.c
-@@ -11,7 +11,7 @@
-
- #define DOUBLEFAULT_STACKSIZE (1024)
- static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE];
--#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE)
-+#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2)
-
- #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM)
-
-@@ -21,7 +21,7 @@ static void doublefault_fn(void)
- unsigned long gdt, tss;
-
- store_gdt(&gdt_desc);
-- gdt = gdt_desc.address;
-+ gdt = (unsigned long)gdt_desc.address;
-
- printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size);
-
-@@ -58,10 +58,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = {
- /* 0x2 bit is always set */
- .flags = X86_EFLAGS_SF | 0x2,
- .sp = STACK_START,
-- .es = __USER_DS,
-+ .es = __KERNEL_DS,
- .cs = __KERNEL_CS,
- .ss = __KERNEL_DS,
-- .ds = __USER_DS,
-+ .ds = __KERNEL_DS,
- .fs = __KERNEL_PERCPU,
-
- .__cr3 = __pa_nodebug(swapper_pg_dir),
-diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
-index 571246d..81f335c 100644
---- a/arch/x86/kernel/dumpstack.c
-+++ b/arch/x86/kernel/dumpstack.c
-@@ -2,6 +2,9 @@
- * Copyright (C) 1991, 1992 Linus Torvalds
- * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
- */
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+#define __INCLUDED_BY_HIDESYM 1
-+#endif
- #include <linux/kallsyms.h>
- #include <linux/kprobes.h>
- #include <linux/uaccess.h>
-@@ -35,16 +38,14 @@ void printk_address(unsigned long address, int reliable)
- static void
- print_ftrace_graph_addr(unsigned long addr, void *data,
- const struct stacktrace_ops *ops,
-- struct thread_info *tinfo, int *graph)
-+ struct task_struct *task, int *graph)
- {
-- struct task_struct *task;
- unsigned long ret_addr;
- int index;
-
- if (addr != (unsigned long)return_to_handler)
- return;
-
-- task = tinfo->task;
- index = task->curr_ret_stack;
-
- if (!task->ret_stack || index < *graph)
-@@ -61,7 +62,7 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
- static inline void
- print_ftrace_graph_addr(unsigned long addr, void *data,
- const struct stacktrace_ops *ops,
-- struct thread_info *tinfo, int *graph)
-+ struct task_struct *task, int *graph)
- { }
- #endif
-
-@@ -72,10 +73,8 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
- * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
- */
-
--static inline int valid_stack_ptr(struct thread_info *tinfo,
-- void *p, unsigned int size, void *end)
-+static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end)
- {
-- void *t = tinfo;
- if (end) {
- if (p < end && p >= (end-THREAD_SIZE))
- return 1;
-@@ -86,14 +85,14 @@ static inline int valid_stack_ptr(struct thread_info *tinfo,
- }
-
- unsigned long
--print_context_stack(struct thread_info *tinfo,
-+print_context_stack(struct task_struct *task, void *stack_start,
- unsigned long *stack, unsigned long bp,
- const struct stacktrace_ops *ops, void *data,
- unsigned long *end, int *graph)
- {
- struct stack_frame *frame = (struct stack_frame *)bp;
-
-- while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) {
-+ while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) {
- unsigned long addr;
-
- addr = *stack;
-@@ -105,7 +104,7 @@ print_context_stack(struct thread_info *tinfo,
- } else {
- ops->address(data, addr, 0);
- }
-- print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
-+ print_ftrace_graph_addr(addr, data, ops, task, graph);
- }
- stack++;
- }
-@@ -114,7 +113,7 @@ print_context_stack(struct thread_info *tinfo,
- EXPORT_SYMBOL_GPL(print_context_stack);
-
- unsigned long
--print_context_stack_bp(struct thread_info *tinfo,
-+print_context_stack_bp(struct task_struct *task, void *stack_start,
- unsigned long *stack, unsigned long bp,
- const struct stacktrace_ops *ops, void *data,
- unsigned long *end, int *graph)
-@@ -122,7 +121,7 @@ print_context_stack_bp(struct thread_info *tinfo,
- struct stack_frame *frame = (struct stack_frame *)bp;
- unsigned long *ret_addr = &frame->return_address;
-
-- while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) {
-+ while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) {
- unsigned long addr = *ret_addr;
-
- if (!__kernel_text_address(addr))
-@@ -131,7 +130,7 @@ print_context_stack_bp(struct thread_info *tinfo,
- ops->address(data, addr, 1);
- frame = frame->next_frame;
- ret_addr = &frame->return_address;
-- print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
-+ print_ftrace_graph_addr(addr, data, ops, task, graph);
- }
-
- return (unsigned long)frame;
-@@ -189,7 +188,7 @@ void dump_stack(void)
-
- bp = stack_frame(current, NULL);
- printk("Pid: %d, comm: %.20s %s %s %.*s\n",
-- current->pid, current->comm, print_tainted(),
-+ task_pid_nr(current), current->comm, print_tainted(),
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
-@@ -225,6 +224,8 @@ unsigned __kprobes long oops_begin(void)
- }
- EXPORT_SYMBOL_GPL(oops_begin);
-
-+extern void gr_handle_kernel_exploit(void);
-+
- void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
- {
- if (regs && kexec_should_crash(current))
-@@ -246,7 +247,10 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
- panic("Fatal exception in interrupt");
- if (panic_on_oops)
- panic("Fatal exception");
-- do_exit(signr);
-+
-+ gr_handle_kernel_exploit();
-+
-+ do_group_exit(signr);
- }
-
- int __kprobes __die(const char *str, struct pt_regs *regs, long err)
-@@ -273,7 +277,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
-
- show_regs(regs);
- #ifdef CONFIG_X86_32
-- if (user_mode_vm(regs)) {
-+ if (user_mode(regs)) {
- sp = regs->sp;
- ss = regs->ss & 0xffff;
- } else {
-@@ -301,7 +305,7 @@ void die(const char *str, struct pt_regs *regs, long err)
- unsigned long flags = oops_begin();
- int sig = SIGSEGV;
-
-- if (!user_mode_vm(regs))
-+ if (!user_mode(regs))
- report_bug(regs->ip, regs);
-
- if (__die(str, regs, err))
-diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
-index e0b1d78..a8ade5e 100644
---- a/arch/x86/kernel/dumpstack_32.c
-+++ b/arch/x86/kernel/dumpstack_32.c
-@@ -38,15 +38,13 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- bp = stack_frame(task, regs);
-
- for (;;) {
-- struct thread_info *context;
-+ void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
-
-- context = (struct thread_info *)
-- ((unsigned long)stack & (~(THREAD_SIZE - 1)));
-- bp = ops->walk_stack(context, stack, bp, ops, data, NULL, &graph);
-+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph);
-
-- stack = (unsigned long *)context->previous_esp;
-- if (!stack)
-+ if (stack_start == task_stack_page(task))
- break;
-+ stack = *(unsigned long **)stack_start;
- if (ops->stack(data, "IRQ") < 0)
- break;
- touch_nmi_watchdog();
-@@ -87,7 +85,7 @@ void show_regs(struct pt_regs *regs)
- int i;
-
- print_modules();
-- __show_regs(regs, !user_mode_vm(regs));
-+ __show_regs(regs, !user_mode(regs));
-
- printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)\n",
- TASK_COMM_LEN, current->comm, task_pid_nr(current),
-@@ -96,21 +94,22 @@ void show_regs(struct pt_regs *regs)
- * When in-kernel, we also print out the stack and code at the
- * time of the fault..
- */
-- if (!user_mode_vm(regs)) {
-+ if (!user_mode(regs)) {
- unsigned int code_prologue = code_bytes * 43 / 64;
- unsigned int code_len = code_bytes;
- unsigned char c;
- u8 *ip;
-+ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(smp_processor_id())[(0xffff & regs->cs) >> 3]);
-
- printk(KERN_EMERG "Stack:\n");
- show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG);
-
- printk(KERN_EMERG "Code: ");
-
-- ip = (u8 *)regs->ip - code_prologue;
-+ ip = (u8 *)regs->ip - code_prologue + cs_base;
- if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
- /* try starting at IP */
-- ip = (u8 *)regs->ip;
-+ ip = (u8 *)regs->ip + cs_base;
- code_len = code_len - code_prologue + 1;
- }
- for (i = 0; i < code_len; i++, ip++) {
-@@ -119,7 +118,7 @@ void show_regs(struct pt_regs *regs)
- printk(KERN_CONT " Bad EIP value.");
- break;
- }
-- if (ip == (u8 *)regs->ip)
-+ if (ip == (u8 *)regs->ip + cs_base)
- printk(KERN_CONT "<%02x> ", c);
- else
- printk(KERN_CONT "%02x ", c);
-@@ -132,6 +131,7 @@ int is_valid_bugaddr(unsigned long ip)
- {
- unsigned short ud2;
-
-+ ip = ktla_ktva(ip);
- if (ip < PAGE_OFFSET)
- return 0;
- if (probe_kernel_address((unsigned short *)ip, ud2))
-@@ -139,3 +139,15 @@ int is_valid_bugaddr(unsigned long ip)
-
- return ud2 == 0x0b0f;
- }
-+
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+void pax_check_alloca(unsigned long size)
-+{
-+ unsigned long sp = (unsigned long)&sp, stack_left;
-+
-+ /* all kernel stacks are of the same size */
-+ stack_left = sp & (THREAD_SIZE - 1);
-+ BUG_ON(stack_left < 256 || size >= stack_left - 256);
-+}
-+EXPORT_SYMBOL(pax_check_alloca);
-+#endif
-diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
-index 791b761..2ab6e33 100644
---- a/arch/x86/kernel/dumpstack_64.c
-+++ b/arch/x86/kernel/dumpstack_64.c
-@@ -119,9 +119,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- unsigned long *irq_stack_end =
- (unsigned long *)per_cpu(irq_stack_ptr, cpu);
- unsigned used = 0;
-- struct thread_info *tinfo;
- int graph = 0;
- unsigned long dummy;
-+ void *stack_start;
-
- if (!task)
- task = current;
-@@ -142,10 +142,10 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- * current stack address. If the stacks consist of nested
- * exceptions
- */
-- tinfo = task_thread_info(task);
- for (;;) {
- char *id;
- unsigned long *estack_end;
-+
- estack_end = in_exception_stack(cpu, (unsigned long)stack,
- &used, &id);
-
-@@ -153,7 +153,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- if (ops->stack(data, id) < 0)
- break;
-
-- bp = ops->walk_stack(tinfo, stack, bp, ops,
-+ bp = ops->walk_stack(task, estack_end - EXCEPTION_STKSZ, stack, bp, ops,
- data, estack_end, &graph);
- ops->stack(data, "<EOE>");
- /*
-@@ -161,6 +161,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- * second-to-last pointer (index -2 to end) in the
- * exception stack:
- */
-+ if ((u16)estack_end[-1] != __KERNEL_DS)
-+ goto out;
- stack = (unsigned long *) estack_end[-2];
- continue;
- }
-@@ -172,7 +174,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- if (in_irq_stack(stack, irq_stack, irq_stack_end)) {
- if (ops->stack(data, "IRQ") < 0)
- break;
-- bp = ops->walk_stack(tinfo, stack, bp,
-+ bp = ops->walk_stack(task, irq_stack, stack, bp,
- ops, data, irq_stack_end, &graph);
- /*
- * We link to the next stack (which would be
-@@ -191,7 +193,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
- /*
- * This handles the process stack:
- */
-- bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph);
-+ stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
-+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph);
-+out:
- put_cpu();
- }
- EXPORT_SYMBOL(dump_trace);
-@@ -305,3 +309,50 @@ int is_valid_bugaddr(unsigned long ip)
-
- return ud2 == 0x0b0f;
- }
-+
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+void pax_check_alloca(unsigned long size)
-+{
-+ unsigned long sp = (unsigned long)&sp, stack_start, stack_end;
-+ unsigned cpu, used;
-+ char *id;
-+
-+ /* check the process stack first */
-+ stack_start = (unsigned long)task_stack_page(current);
-+ stack_end = stack_start + THREAD_SIZE;
-+ if (likely(stack_start <= sp && sp < stack_end)) {
-+ unsigned long stack_left = sp & (THREAD_SIZE - 1);
-+ BUG_ON(stack_left < 256 || size >= stack_left - 256);
-+ return;
-+ }
-+
-+ cpu = get_cpu();
-+
-+ /* check the irq stacks */
-+ stack_end = (unsigned long)per_cpu(irq_stack_ptr, cpu);
-+ stack_start = stack_end - IRQ_STACK_SIZE;
-+ if (stack_start <= sp && sp < stack_end) {
-+ unsigned long stack_left = sp & (IRQ_STACK_SIZE - 1);
-+ put_cpu();
-+ BUG_ON(stack_left < 256 || size >= stack_left - 256);
-+ return;
-+ }
-+
-+ /* check the exception stacks */
-+ used = 0;
-+ stack_end = (unsigned long)in_exception_stack(cpu, sp, &used, &id);
-+ stack_start = stack_end - EXCEPTION_STKSZ;
-+ if (stack_end && stack_start <= sp && sp < stack_end) {
-+ unsigned long stack_left = sp & (EXCEPTION_STKSZ - 1);
-+ put_cpu();
-+ BUG_ON(stack_left < 256 || size >= stack_left - 256);
-+ return;
-+ }
-+
-+ put_cpu();
-+
-+ /* unknown stack */
-+ BUG();
-+}
-+EXPORT_SYMBOL(pax_check_alloca);
-+#endif
-diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
-index 9b9f18b..9fcaa04 100644
---- a/arch/x86/kernel/early_printk.c
-+++ b/arch/x86/kernel/early_printk.c
-@@ -7,6 +7,7 @@
- #include <linux/pci_regs.h>
- #include <linux/pci_ids.h>
- #include <linux/errno.h>
-+#include <linux/sched.h>
- #include <asm/io.h>
- #include <asm/processor.h>
- #include <asm/fcntl.h>
-diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
-index 623f288..8bdd78a 100644
---- a/arch/x86/kernel/entry_32.S
-+++ b/arch/x86/kernel/entry_32.S
-@@ -176,13 +176,153 @@
- /*CFI_REL_OFFSET gs, PT_GS*/
- .endm
- .macro SET_KERNEL_GS reg
-+
-+#ifdef CONFIG_CC_STACKPROTECTOR
- movl $(__KERNEL_STACK_CANARY), \reg
-+#elif defined(CONFIG_PAX_MEMORY_UDEREF)
-+ movl $(__USER_DS), \reg
-+#else
-+ xorl \reg, \reg
-+#endif
-+
- movl \reg, %gs
- .endm
-
- #endif /* CONFIG_X86_32_LAZY_GS */
-
--.macro SAVE_ALL
-+.macro pax_enter_kernel
-+#ifdef CONFIG_PAX_KERNEXEC
-+ call pax_enter_kernel
-+#endif
-+.endm
-+
-+.macro pax_exit_kernel
-+#ifdef CONFIG_PAX_KERNEXEC
-+ call pax_exit_kernel
-+#endif
-+.endm
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ENTRY(pax_enter_kernel)
-+#ifdef CONFIG_PARAVIRT
-+ pushl %eax
-+ pushl %ecx
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0)
-+ mov %eax, %esi
-+#else
-+ mov %cr0, %esi
-+#endif
-+ bts $16, %esi
-+ jnc 1f
-+ mov %cs, %esi
-+ cmp $__KERNEL_CS, %esi
-+ jz 3f
-+ ljmp $__KERNEL_CS, $3f
-+1: ljmp $__KERNEXEC_KERNEL_CS, $2f
-+2:
-+#ifdef CONFIG_PARAVIRT
-+ mov %esi, %eax
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
-+#else
-+ mov %esi, %cr0
-+#endif
-+3:
-+#ifdef CONFIG_PARAVIRT
-+ popl %ecx
-+ popl %eax
-+#endif
-+ ret
-+ENDPROC(pax_enter_kernel)
-+
-+ENTRY(pax_exit_kernel)
-+#ifdef CONFIG_PARAVIRT
-+ pushl %eax
-+ pushl %ecx
-+#endif
-+ mov %cs, %esi
-+ cmp $__KERNEXEC_KERNEL_CS, %esi
-+ jnz 2f
-+#ifdef CONFIG_PARAVIRT
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0);
-+ mov %eax, %esi
-+#else
-+ mov %cr0, %esi
-+#endif
-+ btr $16, %esi
-+ ljmp $__KERNEL_CS, $1f
-+1:
-+#ifdef CONFIG_PARAVIRT
-+ mov %esi, %eax
-+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0);
-+#else
-+ mov %esi, %cr0
-+#endif
-+2:
-+#ifdef CONFIG_PARAVIRT
-+ popl %ecx
-+ popl %eax
-+#endif
-+ ret
-+ENDPROC(pax_exit_kernel)
-+#endif
-+
-+.macro pax_erase_kstack
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+ call pax_erase_kstack
-+#endif
-+.endm
-+
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+/*
-+ * ebp: thread_info
-+ */
-+ENTRY(pax_erase_kstack)
-+ pushl %edi
-+ pushl %ecx
-+ pushl %eax
-+
-+ mov TI_lowest_stack(%ebp), %edi
-+ mov $-0xBEEF, %eax
-+ std
-+
-+1: mov %edi, %ecx
-+ and $THREAD_SIZE_asm - 1, %ecx
-+ shr $2, %ecx
-+ repne scasl
-+ jecxz 2f
-+
-+ cmp $2*16, %ecx
-+ jc 2f
-+
-+ mov $2*16, %ecx
-+ repe scasl
-+ jecxz 2f
-+ jne 1b
-+
-+2: cld
-+ mov %esp, %ecx
-+ sub %edi, %ecx
-+
-+ cmp $THREAD_SIZE_asm, %ecx
-+ jb 3f
-+ ud2
-+3:
-+
-+ shr $2, %ecx
-+ rep stosl
-+
-+ mov TI_task_thread_sp0(%ebp), %edi
-+ sub $128, %edi
-+ mov %edi, TI_lowest_stack(%ebp)
-+
-+ popl %eax
-+ popl %ecx
-+ popl %edi
-+ ret
-+ENDPROC(pax_erase_kstack)
-+#endif
-+
-+.macro __SAVE_ALL _DS
- cld
- PUSH_GS
- pushl_cfi %fs
-@@ -205,7 +345,7 @@
- CFI_REL_OFFSET ecx, 0
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
-- movl $(__USER_DS), %edx
-+ movl $\_DS, %edx
- movl %edx, %ds
- movl %edx, %es
- movl $(__KERNEL_PERCPU), %edx
-@@ -213,6 +353,15 @@
- SET_KERNEL_GS %edx
- .endm
-
-+.macro SAVE_ALL
-+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
-+ __SAVE_ALL __KERNEL_DS
-+ pax_enter_kernel
-+#else
-+ __SAVE_ALL __USER_DS
-+#endif
-+.endm
-+
- .macro RESTORE_INT_REGS
- popl_cfi %ebx
- CFI_RESTORE ebx
-@@ -296,7 +445,7 @@ ENTRY(ret_from_fork)
- popfl_cfi
- jmp syscall_exit
- CFI_ENDPROC
--END(ret_from_fork)
-+ENDPROC(ret_from_fork)
-
- /*
- * Interrupt exit functions should be protected against kprobes
-@@ -329,7 +478,15 @@ ret_from_intr:
- andl $SEGMENT_RPL_MASK, %eax
- #endif
- cmpl $USER_RPL, %eax
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ jae resume_userspace
-+
-+ pax_exit_kernel
-+ jmp resume_kernel
-+#else
- jb resume_kernel # not returning to v8086 or userspace
-+#endif
-
- ENTRY(resume_userspace)
- LOCKDEP_SYS_EXIT
-@@ -341,8 +498,8 @@ ENTRY(resume_userspace)
- andl $_TIF_WORK_MASK, %ecx # is there any work to be done on
- # int/exception return?
- jne work_pending
-- jmp restore_all
--END(ret_from_exception)
-+ jmp restore_all_pax
-+ENDPROC(ret_from_exception)
-
- #ifdef CONFIG_PREEMPT
- ENTRY(resume_kernel)
-@@ -357,7 +514,7 @@ need_resched:
- jz restore_all
- call preempt_schedule_irq
- jmp need_resched
--END(resume_kernel)
-+ENDPROC(resume_kernel)
- #endif
- CFI_ENDPROC
- /*
-@@ -391,28 +548,43 @@ sysenter_past_esp:
- /*CFI_REL_OFFSET cs, 0*/
- /*
- * Push current_thread_info()->sysenter_return to the stack.
-- * A tiny bit of offset fixup is necessary - 4*4 means the 4 words
-- * pushed above; +8 corresponds to copy_thread's esp0 setting.
- */
-- pushl_cfi ((TI_sysenter_return)-THREAD_SIZE+8+4*4)(%esp)
-+ pushl_cfi $0
- CFI_REL_OFFSET eip, 0
-
- pushl_cfi %eax
- SAVE_ALL
-+ GET_THREAD_INFO(%ebp)
-+ movl TI_sysenter_return(%ebp),%ebp
-+ movl %ebp,PT_EIP(%esp)
- ENABLE_INTERRUPTS(CLBR_NONE)
-
- /*
- * Load the potential sixth argument from user stack.
- * Careful about security.
- */
-+ movl PT_OLDESP(%esp),%ebp
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ mov PT_OLDSS(%esp),%ds
-+1: movl %ds:(%ebp),%ebp
-+ push %ss
-+ pop %ds
-+#else
- cmpl $__PAGE_OFFSET-3,%ebp
- jae syscall_fault
- 1: movl (%ebp),%ebp
-+#endif
-+
- movl %ebp,PT_EBP(%esp)
- _ASM_EXTABLE(1b,syscall_fault)
-
- GET_THREAD_INFO(%ebp)
-
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
- jnz sysenter_audit
- sysenter_do_call:
-@@ -427,12 +599,24 @@ sysenter_do_call:
- testl $_TIF_ALLWORK_MASK, %ecx
- jne sysexit_audit
- sysenter_exit:
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pushl_cfi %eax
-+ movl %esp, %eax
-+ call pax_randomize_kstack
-+ popl_cfi %eax
-+#endif
-+
-+ pax_erase_kstack
-+
- /* if something modifies registers it must also disable sysexit */
- movl PT_EIP(%esp), %edx
- movl PT_OLDESP(%esp), %ecx
- xorl %ebp,%ebp
- TRACE_IRQS_ON
- 1: mov PT_FS(%esp), %fs
-+2: mov PT_DS(%esp), %ds
-+3: mov PT_ES(%esp), %es
- PTGS_TO_GS
- ENABLE_INTERRUPTS_SYSEXIT
-
-@@ -449,6 +633,9 @@ sysenter_audit:
- movl %eax,%edx /* 2nd arg: syscall number */
- movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */
- call __audit_syscall_entry
-+
-+ pax_erase_kstack
-+
- pushl_cfi %ebx
- movl PT_EAX(%esp),%eax /* reload syscall number */
- jmp sysenter_do_call
-@@ -474,10 +661,16 @@ sysexit_audit:
-
- CFI_ENDPROC
- .pushsection .fixup,"ax"
--2: movl $0,PT_FS(%esp)
-+4: movl $0,PT_FS(%esp)
-+ jmp 1b
-+5: movl $0,PT_DS(%esp)
-+ jmp 1b
-+6: movl $0,PT_ES(%esp)
- jmp 1b
- .popsection
-- _ASM_EXTABLE(1b,2b)
-+ _ASM_EXTABLE(1b,4b)
-+ _ASM_EXTABLE(2b,5b)
-+ _ASM_EXTABLE(3b,6b)
- PTGS_TO_GS_EX
- ENDPROC(ia32_sysenter_target)
-
-@@ -491,6 +684,11 @@ ENTRY(system_call)
- pushl_cfi %eax # save orig_eax
- SAVE_ALL
- GET_THREAD_INFO(%ebp)
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
- # system call tracing in operation / emulation
- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
- jnz syscall_trace_entry
-@@ -509,6 +707,15 @@ syscall_exit:
- testl $_TIF_ALLWORK_MASK, %ecx # current->work
- jne syscall_exit_work
-
-+restore_all_pax:
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ movl %esp, %eax
-+ call pax_randomize_kstack
-+#endif
-+
-+ pax_erase_kstack
-+
- restore_all:
- TRACE_IRQS_IRET
- restore_all_notrace:
-@@ -565,14 +772,34 @@ ldt_ss:
- * compensating for the offset by changing to the ESPFIX segment with
- * a base address that matches for the difference.
- */
--#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8)
-+#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx)
- mov %esp, %edx /* load kernel esp */
- mov PT_OLDESP(%esp), %eax /* load userspace esp */
- mov %dx, %ax /* eax: new kernel esp */
- sub %eax, %edx /* offset (low word is 0) */
-+#ifdef CONFIG_SMP
-+ movl PER_CPU_VAR(cpu_number), %ebx
-+ shll $PAGE_SHIFT_asm, %ebx
-+ addl $cpu_gdt_table, %ebx
-+#else
-+ movl $cpu_gdt_table, %ebx
-+#endif
- shr $16, %edx
-- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */
-- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ mov %cr0, %esi
-+ btr $16, %esi
-+ mov %esi, %cr0
-+#endif
-+
-+ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */
-+ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ bts $16, %esi
-+ mov %esi, %cr0
-+#endif
-+
- pushl_cfi $__ESPFIX_SS
- pushl_cfi %eax /* new kernel esp */
- /* Disable interrupts, but do not irqtrace this section: we
-@@ -601,35 +828,23 @@ work_resched:
- movl TI_flags(%ebp), %ecx
- andl $_TIF_WORK_MASK, %ecx # is there any work to be done other
- # than syscall tracing?
-- jz restore_all
-+ jz restore_all_pax
- testb $_TIF_NEED_RESCHED, %cl
- jnz work_resched
-
- work_notifysig: # deal with pending signals and
- # notify-resume requests
-+ movl %esp, %eax
- #ifdef CONFIG_VM86
- testl $X86_EFLAGS_VM, PT_EFLAGS(%esp)
-- movl %esp, %eax
-- jne work_notifysig_v86 # returning to kernel-space or
-+ jz 1f # returning to kernel-space or
- # vm86-space
-- TRACE_IRQS_ON
-- ENABLE_INTERRUPTS(CLBR_NONE)
-- movb PT_CS(%esp), %bl
-- andb $SEGMENT_RPL_MASK, %bl
-- cmpb $USER_RPL, %bl
-- jb resume_kernel
-- xorl %edx, %edx
-- call do_notify_resume
-- jmp resume_userspace
-
-- ALIGN
--work_notifysig_v86:
- pushl_cfi %ecx # save ti_flags for do_notify_resume
- call save_v86_state # %eax contains pt_regs pointer
- popl_cfi %ecx
- movl %eax, %esp
--#else
-- movl %esp, %eax
-+1:
- #endif
- TRACE_IRQS_ON
- ENABLE_INTERRUPTS(CLBR_NONE)
-@@ -640,7 +855,7 @@ work_notifysig_v86:
- xorl %edx, %edx
- call do_notify_resume
- jmp resume_userspace
--END(work_pending)
-+ENDPROC(work_pending)
-
- # perform syscall exit tracing
- ALIGN
-@@ -648,11 +863,14 @@ syscall_trace_entry:
- movl $-ENOSYS,PT_EAX(%esp)
- movl %esp, %eax
- call syscall_trace_enter
-+
-+ pax_erase_kstack
-+
- /* What it returned is what we'll actually use. */
- cmpl $(NR_syscalls), %eax
- jnae syscall_call
- jmp syscall_exit
--END(syscall_trace_entry)
-+ENDPROC(syscall_trace_entry)
-
- # perform syscall exit tracing
- ALIGN
-@@ -665,20 +883,24 @@ syscall_exit_work:
- movl %esp, %eax
- call syscall_trace_leave
- jmp resume_userspace
--END(syscall_exit_work)
-+ENDPROC(syscall_exit_work)
- CFI_ENDPROC
-
- RING0_INT_FRAME # can't unwind into user space anyway
- syscall_fault:
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ push %ss
-+ pop %ds
-+#endif
- GET_THREAD_INFO(%ebp)
- movl $-EFAULT,PT_EAX(%esp)
- jmp resume_userspace
--END(syscall_fault)
-+ENDPROC(syscall_fault)
-
- syscall_badsys:
- movl $-ENOSYS,PT_EAX(%esp)
- jmp resume_userspace
--END(syscall_badsys)
-+ENDPROC(syscall_badsys)
- CFI_ENDPROC
- /*
- * End of kprobes section
-@@ -750,6 +972,36 @@ ENTRY(ptregs_clone)
- CFI_ENDPROC
- ENDPROC(ptregs_clone)
-
-+ ALIGN;
-+ENTRY(kernel_execve)
-+ CFI_STARTPROC
-+ pushl_cfi %ebp
-+ sub $PT_OLDSS+4,%esp
-+ pushl_cfi %edi
-+ pushl_cfi %ecx
-+ pushl_cfi %eax
-+ lea 3*4(%esp),%edi
-+ mov $PT_OLDSS/4+1,%ecx
-+ xorl %eax,%eax
-+ rep stosl
-+ popl_cfi %eax
-+ popl_cfi %ecx
-+ popl_cfi %edi
-+ movl $X86_EFLAGS_IF,PT_EFLAGS(%esp)
-+ pushl_cfi %esp
-+ call sys_execve
-+ add $4,%esp
-+ CFI_ADJUST_CFA_OFFSET -4
-+ GET_THREAD_INFO(%ebp)
-+ test %eax,%eax
-+ jz syscall_exit
-+ add $PT_OLDSS+4,%esp
-+ CFI_ADJUST_CFA_OFFSET -PT_OLDSS-4
-+ popl_cfi %ebp
-+ ret
-+ CFI_ENDPROC
-+ENDPROC(kernel_execve)
-+
- .macro FIXUP_ESPFIX_STACK
- /*
- * Switch back for ESPFIX stack to the normal zerobased stack
-@@ -759,8 +1011,15 @@ ENDPROC(ptregs_clone)
- * normal stack and adjusts ESP with the matching offset.
- */
- /* fixup the stack */
-- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */
-- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */
-+#ifdef CONFIG_SMP
-+ movl PER_CPU_VAR(cpu_number), %ebx
-+ shll $PAGE_SHIFT_asm, %ebx
-+ addl $cpu_gdt_table, %ebx
-+#else
-+ movl $cpu_gdt_table, %ebx
-+#endif
-+ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */
-+ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */
- shl $16, %eax
- addl %esp, %eax /* the adjusted stack pointer */
- pushl_cfi $__KERNEL_DS
-@@ -813,7 +1072,7 @@ vector=vector+1
- .endr
- 2: jmp common_interrupt
- .endr
--END(irq_entries_start)
-+ENDPROC(irq_entries_start)
-
- .previous
- END(interrupt)
-@@ -861,7 +1120,7 @@ ENTRY(coprocessor_error)
- pushl_cfi $do_coprocessor_error
- jmp error_code
- CFI_ENDPROC
--END(coprocessor_error)
-+ENDPROC(coprocessor_error)
-
- ENTRY(simd_coprocessor_error)
- RING0_INT_FRAME
-@@ -882,7 +1141,7 @@ ENTRY(simd_coprocessor_error)
- #endif
- jmp error_code
- CFI_ENDPROC
--END(simd_coprocessor_error)
-+ENDPROC(simd_coprocessor_error)
-
- ENTRY(device_not_available)
- RING0_INT_FRAME
-@@ -890,18 +1149,18 @@ ENTRY(device_not_available)
- pushl_cfi $do_device_not_available
- jmp error_code
- CFI_ENDPROC
--END(device_not_available)
-+ENDPROC(device_not_available)
-
- #ifdef CONFIG_PARAVIRT
- ENTRY(native_iret)
- iret
- _ASM_EXTABLE(native_iret, iret_exc)
--END(native_iret)
-+ENDPROC(native_iret)
-
- ENTRY(native_irq_enable_sysexit)
- sti
- sysexit
--END(native_irq_enable_sysexit)
-+ENDPROC(native_irq_enable_sysexit)
- #endif
-
- ENTRY(overflow)
-@@ -910,7 +1169,7 @@ ENTRY(overflow)
- pushl_cfi $do_overflow
- jmp error_code
- CFI_ENDPROC
--END(overflow)
-+ENDPROC(overflow)
-
- ENTRY(bounds)
- RING0_INT_FRAME
-@@ -918,7 +1177,7 @@ ENTRY(bounds)
- pushl_cfi $do_bounds
- jmp error_code
- CFI_ENDPROC
--END(bounds)
-+ENDPROC(bounds)
-
- ENTRY(invalid_op)
- RING0_INT_FRAME
-@@ -926,7 +1185,7 @@ ENTRY(invalid_op)
- pushl_cfi $do_invalid_op
- jmp error_code
- CFI_ENDPROC
--END(invalid_op)
-+ENDPROC(invalid_op)
-
- ENTRY(coprocessor_segment_overrun)
- RING0_INT_FRAME
-@@ -934,35 +1193,35 @@ ENTRY(coprocessor_segment_overrun)
- pushl_cfi $do_coprocessor_segment_overrun
- jmp error_code
- CFI_ENDPROC
--END(coprocessor_segment_overrun)
-+ENDPROC(coprocessor_segment_overrun)
-
- ENTRY(invalid_TSS)
- RING0_EC_FRAME
- pushl_cfi $do_invalid_TSS
- jmp error_code
- CFI_ENDPROC
--END(invalid_TSS)
-+ENDPROC(invalid_TSS)
-
- ENTRY(segment_not_present)
- RING0_EC_FRAME
- pushl_cfi $do_segment_not_present
- jmp error_code
- CFI_ENDPROC
--END(segment_not_present)
-+ENDPROC(segment_not_present)
-
- ENTRY(stack_segment)
- RING0_EC_FRAME
- pushl_cfi $do_stack_segment
- jmp error_code
- CFI_ENDPROC
--END(stack_segment)
-+ENDPROC(stack_segment)
-
- ENTRY(alignment_check)
- RING0_EC_FRAME
- pushl_cfi $do_alignment_check
- jmp error_code
- CFI_ENDPROC
--END(alignment_check)
-+ENDPROC(alignment_check)
-
- ENTRY(divide_error)
- RING0_INT_FRAME
-@@ -970,7 +1229,7 @@ ENTRY(divide_error)
- pushl_cfi $do_divide_error
- jmp error_code
- CFI_ENDPROC
--END(divide_error)
-+ENDPROC(divide_error)
-
- #ifdef CONFIG_X86_MCE
- ENTRY(machine_check)
-@@ -979,7 +1238,7 @@ ENTRY(machine_check)
- pushl_cfi machine_check_vector
- jmp error_code
- CFI_ENDPROC
--END(machine_check)
-+ENDPROC(machine_check)
- #endif
-
- ENTRY(spurious_interrupt_bug)
-@@ -988,7 +1247,7 @@ ENTRY(spurious_interrupt_bug)
- pushl_cfi $do_spurious_interrupt_bug
- jmp error_code
- CFI_ENDPROC
--END(spurious_interrupt_bug)
-+ENDPROC(spurious_interrupt_bug)
- /*
- * End of kprobes section
- */
-@@ -1100,7 +1359,7 @@ BUILD_INTERRUPT3(xen_hvm_callback_vector, XEN_HVM_EVTCHN_CALLBACK,
-
- ENTRY(mcount)
- ret
--END(mcount)
-+ENDPROC(mcount)
-
- ENTRY(ftrace_caller)
- cmpl $0, function_trace_stop
-@@ -1129,7 +1388,7 @@ ftrace_graph_call:
- .globl ftrace_stub
- ftrace_stub:
- ret
--END(ftrace_caller)
-+ENDPROC(ftrace_caller)
-
- #else /* ! CONFIG_DYNAMIC_FTRACE */
-
-@@ -1165,7 +1424,7 @@ trace:
- popl %ecx
- popl %eax
- jmp ftrace_stub
--END(mcount)
-+ENDPROC(mcount)
- #endif /* CONFIG_DYNAMIC_FTRACE */
- #endif /* CONFIG_FUNCTION_TRACER */
-
-@@ -1186,7 +1445,7 @@ ENTRY(ftrace_graph_caller)
- popl %ecx
- popl %eax
- ret
--END(ftrace_graph_caller)
-+ENDPROC(ftrace_graph_caller)
-
- .globl return_to_handler
- return_to_handler:
-@@ -1241,15 +1500,18 @@ error_code:
- movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart
- REG_TO_PTGS %ecx
- SET_KERNEL_GS %ecx
-- movl $(__USER_DS), %ecx
-+ movl $(__KERNEL_DS), %ecx
- movl %ecx, %ds
- movl %ecx, %es
-+
-+ pax_enter_kernel
-+
- TRACE_IRQS_OFF
- movl %esp,%eax # pt_regs pointer
- call *%edi
- jmp ret_from_exception
- CFI_ENDPROC
--END(page_fault)
-+ENDPROC(page_fault)
-
- /*
- * Debug traps and NMI can happen at the one SYSENTER instruction
-@@ -1291,7 +1553,7 @@ debug_stack_correct:
- call do_debug
- jmp ret_from_exception
- CFI_ENDPROC
--END(debug)
-+ENDPROC(debug)
-
- /*
- * NMI is doubly nasty. It can happen _while_ we're handling
-@@ -1328,6 +1590,9 @@ nmi_stack_correct:
- xorl %edx,%edx # zero error code
- movl %esp,%eax # pt_regs pointer
- call do_nmi
-+
-+ pax_exit_kernel
-+
- jmp restore_all_notrace
- CFI_ENDPROC
-
-@@ -1364,12 +1629,15 @@ nmi_espfix_stack:
- FIXUP_ESPFIX_STACK # %eax == %esp
- xorl %edx,%edx # zero error code
- call do_nmi
-+
-+ pax_exit_kernel
-+
- RESTORE_REGS
- lss 12+4(%esp), %esp # back to espfix stack
- CFI_ADJUST_CFA_OFFSET -24
- jmp irq_return
- CFI_ENDPROC
--END(nmi)
-+ENDPROC(nmi)
-
- ENTRY(int3)
- RING0_INT_FRAME
-@@ -1381,14 +1649,14 @@ ENTRY(int3)
- call do_int3
- jmp ret_from_exception
- CFI_ENDPROC
--END(int3)
-+ENDPROC(int3)
-
- ENTRY(general_protection)
- RING0_EC_FRAME
- pushl_cfi $do_general_protection
- jmp error_code
- CFI_ENDPROC
--END(general_protection)
-+ENDPROC(general_protection)
-
- #ifdef CONFIG_KVM_GUEST
- ENTRY(async_page_fault)
-@@ -1396,7 +1664,7 @@ ENTRY(async_page_fault)
- pushl_cfi $do_async_page_fault
- jmp error_code
- CFI_ENDPROC
--END(async_page_fault)
-+ENDPROC(async_page_fault)
- #endif
-
- /*
-diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
-index 7d65133..c888d5f 100644
---- a/arch/x86/kernel/entry_64.S
-+++ b/arch/x86/kernel/entry_64.S
-@@ -57,6 +57,8 @@
- #include <asm/percpu.h>
- #include <asm/asm.h>
- #include <linux/err.h>
-+#include <asm/pgtable.h>
-+#include <asm/alternative-asm.h>
-
- /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
- #include <linux/elf-em.h>
-@@ -70,8 +72,9 @@
- #ifdef CONFIG_FUNCTION_TRACER
- #ifdef CONFIG_DYNAMIC_FTRACE
- ENTRY(mcount)
-+ pax_force_retaddr
- retq
--END(mcount)
-+ENDPROC(mcount)
-
- ENTRY(ftrace_caller)
- cmpl $0, function_trace_stop
-@@ -94,8 +97,9 @@ GLOBAL(ftrace_graph_call)
- #endif
-
- GLOBAL(ftrace_stub)
-+ pax_force_retaddr
- retq
--END(ftrace_caller)
-+ENDPROC(ftrace_caller)
-
- #else /* ! CONFIG_DYNAMIC_FTRACE */
- ENTRY(mcount)
-@@ -114,6 +118,7 @@ ENTRY(mcount)
- #endif
-
- GLOBAL(ftrace_stub)
-+ pax_force_retaddr
- retq
-
- trace:
-@@ -123,12 +128,13 @@ trace:
- movq 8(%rbp), %rsi
- subq $MCOUNT_INSN_SIZE, %rdi
-
-+ pax_force_fptr ftrace_trace_function
- call *ftrace_trace_function
-
- MCOUNT_RESTORE_FRAME
-
- jmp ftrace_stub
--END(mcount)
-+ENDPROC(mcount)
- #endif /* CONFIG_DYNAMIC_FTRACE */
- #endif /* CONFIG_FUNCTION_TRACER */
-
-@@ -148,8 +154,9 @@ ENTRY(ftrace_graph_caller)
-
- MCOUNT_RESTORE_FRAME
-
-+ pax_force_retaddr
- retq
--END(ftrace_graph_caller)
-+ENDPROC(ftrace_graph_caller)
-
- GLOBAL(return_to_handler)
- subq $24, %rsp
-@@ -165,6 +172,7 @@ GLOBAL(return_to_handler)
- movq 8(%rsp), %rdx
- movq (%rsp), %rax
- addq $24, %rsp
-+ pax_force_fptr %rdi
- jmp *%rdi
- #endif
-
-@@ -180,6 +188,280 @@ ENTRY(native_usergs_sysret64)
- ENDPROC(native_usergs_sysret64)
- #endif /* CONFIG_PARAVIRT */
-
-+ .macro ljmpq sel, off
-+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM)
-+ .byte 0x48; ljmp *1234f(%rip)
-+ .pushsection .rodata
-+ .align 16
-+ 1234: .quad \off; .word \sel
-+ .popsection
-+#else
-+ pushq $\sel
-+ pushq $\off
-+ lretq
-+#endif
-+ .endm
-+
-+ .macro pax_enter_kernel
-+ pax_set_fptr_mask
-+#ifdef CONFIG_PAX_KERNEXEC
-+ call pax_enter_kernel
-+#endif
-+ .endm
-+
-+ .macro pax_exit_kernel
-+#ifdef CONFIG_PAX_KERNEXEC
-+ call pax_exit_kernel
-+#endif
-+ .endm
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ENTRY(pax_enter_kernel)
-+ pushq %rdi
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_SAVE_REGS(CLBR_RDI)
-+#endif
-+
-+ GET_CR0_INTO_RDI
-+ bts $16,%rdi
-+ jnc 3f
-+ mov %cs,%edi
-+ cmp $__KERNEL_CS,%edi
-+ jnz 2f
-+1:
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_RESTORE_REGS(CLBR_RDI)
-+#endif
-+
-+ popq %rdi
-+ pax_force_retaddr
-+ retq
-+
-+2: ljmpq __KERNEL_CS,1f
-+3: ljmpq __KERNEXEC_KERNEL_CS,4f
-+4: SET_RDI_INTO_CR0
-+ jmp 1b
-+ENDPROC(pax_enter_kernel)
-+
-+ENTRY(pax_exit_kernel)
-+ pushq %rdi
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_SAVE_REGS(CLBR_RDI)
-+#endif
-+
-+ mov %cs,%rdi
-+ cmp $__KERNEXEC_KERNEL_CS,%edi
-+ jz 2f
-+1:
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_RESTORE_REGS(CLBR_RDI);
-+#endif
-+
-+ popq %rdi
-+ pax_force_retaddr
-+ retq
-+
-+2: GET_CR0_INTO_RDI
-+ btr $16,%rdi
-+ ljmpq __KERNEL_CS,3f
-+3: SET_RDI_INTO_CR0
-+ jmp 1b
-+#ifdef CONFIG_PARAVIRT
-+ PV_RESTORE_REGS(CLBR_RDI);
-+#endif
-+
-+ popq %rdi
-+ pax_force_retaddr
-+ retq
-+ENDPROC(pax_exit_kernel)
-+#endif
-+
-+ .macro pax_enter_kernel_user
-+ pax_set_fptr_mask
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ call pax_enter_kernel_user
-+#endif
-+ .endm
-+
-+ .macro pax_exit_kernel_user
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ call pax_exit_kernel_user
-+#endif
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pushq %rax
-+ call pax_randomize_kstack
-+ popq %rax
-+#endif
-+ .endm
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ENTRY(pax_enter_kernel_user)
-+ pushq %rdi
-+ pushq %rbx
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_SAVE_REGS(CLBR_RDI)
-+#endif
-+
-+ GET_CR3_INTO_RDI
-+ mov %rdi,%rbx
-+ add $__START_KERNEL_map,%rbx
-+ sub phys_base(%rip),%rbx
-+
-+#ifdef CONFIG_PARAVIRT
-+ pushq %rdi
-+ cmpl $0, pv_info+PARAVIRT_enabled
-+ jz 1f
-+ i = 0
-+ .rept USER_PGD_PTRS
-+ mov i*8(%rbx),%rsi
-+ mov $0,%sil
-+ lea i*8(%rbx),%rdi
-+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
-+ i = i + 1
-+ .endr
-+ jmp 2f
-+1:
-+#endif
-+
-+ i = 0
-+ .rept USER_PGD_PTRS
-+ movb $0,i*8(%rbx)
-+ i = i + 1
-+ .endr
-+
-+#ifdef CONFIG_PARAVIRT
-+2: popq %rdi
-+#endif
-+ SET_RDI_INTO_CR3
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ GET_CR0_INTO_RDI
-+ bts $16,%rdi
-+ SET_RDI_INTO_CR0
-+#endif
-+
-+#ifdef CONFIG_PARAVIRT
-+ PV_RESTORE_REGS(CLBR_RDI)
-+#endif
-+
-+ popq %rbx
-+ popq %rdi
-+ pax_force_retaddr
-+ retq
-+ENDPROC(pax_enter_kernel_user)
-+
-+ENTRY(pax_exit_kernel_user)
-+ push %rdi
-+
-+#ifdef CONFIG_PARAVIRT
-+ pushq %rbx
-+ PV_SAVE_REGS(CLBR_RDI)
-+#endif
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ GET_CR0_INTO_RDI
-+ btr $16,%rdi
-+ SET_RDI_INTO_CR0
-+#endif
-+
-+ GET_CR3_INTO_RDI
-+ add $__START_KERNEL_map,%rdi
-+ sub phys_base(%rip),%rdi
-+
-+#ifdef CONFIG_PARAVIRT
-+ cmpl $0, pv_info+PARAVIRT_enabled
-+ jz 1f
-+ mov %rdi,%rbx
-+ i = 0
-+ .rept USER_PGD_PTRS
-+ mov i*8(%rbx),%rsi
-+ mov $0x67,%sil
-+ lea i*8(%rbx),%rdi
-+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
-+ i = i + 1
-+ .endr
-+ jmp 2f
-+1:
-+#endif
-+
-+ i = 0
-+ .rept USER_PGD_PTRS
-+ movb $0x67,i*8(%rdi)
-+ i = i + 1
-+ .endr
-+
-+#ifdef CONFIG_PARAVIRT
-+2: PV_RESTORE_REGS(CLBR_RDI)
-+ popq %rbx
-+#endif
-+
-+ popq %rdi
-+ pax_force_retaddr
-+ retq
-+ENDPROC(pax_exit_kernel_user)
-+#endif
-+
-+.macro pax_erase_kstack
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+ call pax_erase_kstack
-+#endif
-+.endm
-+
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+ENTRY(pax_erase_kstack)
-+ pushq %rdi
-+ pushq %rcx
-+ pushq %rax
-+ pushq %r11
-+
-+ GET_THREAD_INFO(%r11)
-+ mov TI_lowest_stack(%r11), %rdi
-+ mov $-0xBEEF, %rax
-+ std
-+
-+1: mov %edi, %ecx
-+ and $THREAD_SIZE_asm - 1, %ecx
-+ shr $3, %ecx
-+ repne scasq
-+ jecxz 2f
-+
-+ cmp $2*8, %ecx
-+ jc 2f
-+
-+ mov $2*8, %ecx
-+ repe scasq
-+ jecxz 2f
-+ jne 1b
-+
-+2: cld
-+ mov %esp, %ecx
-+ sub %edi, %ecx
-+
-+ cmp $THREAD_SIZE_asm, %rcx
-+ jb 3f
-+ ud2
-+3:
-+
-+ shr $3, %ecx
-+ rep stosq
-+
-+ mov TI_task_thread_sp0(%r11), %rdi
-+ sub $256, %rdi
-+ mov %rdi, TI_lowest_stack(%r11)
-+
-+ popq %r11
-+ popq %rax
-+ popq %rcx
-+ popq %rdi
-+ pax_force_retaddr
-+ ret
-+ENDPROC(pax_erase_kstack)
-+#endif
-
- .macro TRACE_IRQS_IRETQ offset=ARGOFFSET
- #ifdef CONFIG_TRACE_IRQFLAGS
-@@ -271,8 +553,8 @@ ENDPROC(native_usergs_sysret64)
- .endm
-
- .macro UNFAKE_STACK_FRAME
-- addq $8*6, %rsp
-- CFI_ADJUST_CFA_OFFSET -(6*8)
-+ addq $8*6 + ARG_SKIP, %rsp
-+ CFI_ADJUST_CFA_OFFSET -(6*8 + ARG_SKIP)
- .endm
-
- /*
-@@ -359,7 +641,7 @@ ENDPROC(native_usergs_sysret64)
- movq %rsp, %rsi
-
- leaq -RBP(%rsp),%rdi /* arg1 for handler */
-- testl $3, CS-RBP(%rsi)
-+ testb $3, CS-RBP(%rsi)
- je 1f
- SWAPGS
- /*
-@@ -394,9 +676,10 @@ ENTRY(save_rest)
- movq_cfi r15, R15+16
- movq %r11, 8(%rsp) /* return address */
- FIXUP_TOP_OF_STACK %r11, 16
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--END(save_rest)
-+ENDPROC(save_rest)
-
- /* save complete stack frame */
- .pushsection .kprobes.text, "ax"
-@@ -425,9 +708,10 @@ ENTRY(save_paranoid)
- js 1f /* negative -> in kernel */
- SWAPGS
- xorl %ebx,%ebx
--1: ret
-+1: pax_force_retaddr_bts
-+ ret
- CFI_ENDPROC
--END(save_paranoid)
-+ENDPROC(save_paranoid)
- .popsection
-
- /*
-@@ -449,7 +733,7 @@ ENTRY(ret_from_fork)
-
- RESTORE_REST
-
-- testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
-+ testb $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
- jz retint_restore_args
-
- testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET
-@@ -459,7 +743,7 @@ ENTRY(ret_from_fork)
- jmp ret_from_sys_call # go to the SYSRET fastpath
-
- CFI_ENDPROC
--END(ret_from_fork)
-+ENDPROC(ret_from_fork)
-
- /*
- * System call entry. Up to 6 arguments in registers are supported.
-@@ -495,7 +779,7 @@ END(ret_from_fork)
- ENTRY(system_call)
- CFI_STARTPROC simple
- CFI_SIGNAL_FRAME
-- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
-+ CFI_DEF_CFA rsp,0
- CFI_REGISTER rip,rcx
- /*CFI_REGISTER rflags,r11*/
- SWAPGS_UNSAFE_STACK
-@@ -508,16 +792,23 @@ GLOBAL(system_call_after_swapgs)
-
- movq %rsp,PER_CPU_VAR(old_rsp)
- movq PER_CPU_VAR(kernel_stack),%rsp
-+ SAVE_ARGS 8*6,0
-+ pax_enter_kernel_user
-+
-+#ifdef CONFIG_PAX_RANDKSTACK
-+ pax_erase_kstack
-+#endif
-+
- /*
- * No need to follow this irqs off/on section - it's straight
- * and short:
- */
- ENABLE_INTERRUPTS(CLBR_NONE)
-- SAVE_ARGS 8,0
- movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
- movq %rcx,RIP-ARGOFFSET(%rsp)
- CFI_REL_OFFSET rip,RIP-ARGOFFSET
-- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ GET_THREAD_INFO(%rcx)
-+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx)
- jnz tracesys
- system_call_fastpath:
- #if __SYSCALL_MASK == ~0
-@@ -527,7 +818,7 @@ system_call_fastpath:
- cmpl $__NR_syscall_max,%eax
- #endif
- ja badsys
-- movq %r10,%rcx
-+ movq R10-ARGOFFSET(%rsp),%rcx
- call *sys_call_table(,%rax,8) # XXX: rip relative
- movq %rax,RAX-ARGOFFSET(%rsp)
- /*
-@@ -541,10 +832,13 @@ sysret_check:
- LOCKDEP_SYS_EXIT
- DISABLE_INTERRUPTS(CLBR_NONE)
- TRACE_IRQS_OFF
-- movl TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET),%edx
-+ GET_THREAD_INFO(%rcx)
-+ movl TI_flags(%rcx),%edx
- andl %edi,%edx
- jnz sysret_careful
- CFI_REMEMBER_STATE
-+ pax_exit_kernel_user
-+ pax_erase_kstack
- /*
- * sysretq will re-enable interrupts:
- */
-@@ -596,14 +890,18 @@ badsys:
- * jump back to the normal fast path.
- */
- auditsys:
-- movq %r10,%r9 /* 6th arg: 4th syscall arg */
-+ movq R10-ARGOFFSET(%rsp),%r9 /* 6th arg: 4th syscall arg */
- movq %rdx,%r8 /* 5th arg: 3rd syscall arg */
- movq %rsi,%rcx /* 4th arg: 2nd syscall arg */
- movq %rdi,%rdx /* 3rd arg: 1st syscall arg */
- movq %rax,%rsi /* 2nd arg: syscall number */
- movl $AUDIT_ARCH_X86_64,%edi /* 1st arg: audit arch */
- call __audit_syscall_entry
-+
-+ pax_erase_kstack
-+
- LOAD_ARGS 0 /* reload call-clobbered registers */
-+ pax_set_fptr_mask
- jmp system_call_fastpath
-
- /*
-@@ -624,7 +922,7 @@ sysret_audit:
- /* Do syscall tracing */
- tracesys:
- #ifdef CONFIG_AUDITSYSCALL
-- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
-+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%rcx)
- jz auditsys
- #endif
- SAVE_REST
-@@ -632,12 +930,16 @@ tracesys:
- FIXUP_TOP_OF_STACK %rdi
- movq %rsp,%rdi
- call syscall_trace_enter
-+
-+ pax_erase_kstack
-+
- /*
- * Reload arg registers from stack in case ptrace changed them.
- * We don't reload %rax because syscall_trace_enter() returned
- * the value it wants us to use in the table lookup.
- */
- LOAD_ARGS ARGOFFSET, 1
-+ pax_set_fptr_mask
- RESTORE_REST
- #if __SYSCALL_MASK == ~0
- cmpq $__NR_syscall_max,%rax
-@@ -646,7 +948,7 @@ tracesys:
- cmpl $__NR_syscall_max,%eax
- #endif
- ja int_ret_from_sys_call /* RAX(%rsp) set to -ENOSYS above */
-- movq %r10,%rcx /* fixup for C */
-+ movq R10-ARGOFFSET(%rsp),%rcx /* fixup for C */
- call *sys_call_table(,%rax,8)
- movq %rax,RAX-ARGOFFSET(%rsp)
- /* Use IRET because user could have changed frame */
-@@ -667,7 +969,9 @@ GLOBAL(int_with_check)
- andl %edi,%edx
- jnz int_careful
- andl $~TS_COMPAT,TI_status(%rcx)
-- jmp retint_swapgs
-+ pax_exit_kernel_user
-+ pax_erase_kstack
-+ jmp retint_swapgs_pax
-
- /* Either reschedule or signal or syscall exit tracking needed. */
- /* First do a reschedule test. */
-@@ -713,7 +1017,7 @@ int_restore_rest:
- TRACE_IRQS_OFF
- jmp int_with_check
- CFI_ENDPROC
--END(system_call)
-+ENDPROC(system_call)
-
- /*
- * Certain special system calls that need to save a complete full stack frame.
-@@ -729,7 +1033,7 @@ ENTRY(\label)
- call \func
- jmp ptregscall_common
- CFI_ENDPROC
--END(\label)
-+ENDPROC(\label)
- .endm
-
- PTREGSCALL stub_clone, sys_clone, %r8
-@@ -747,9 +1051,10 @@ ENTRY(ptregscall_common)
- movq_cfi_restore R12+8, r12
- movq_cfi_restore RBP+8, rbp
- movq_cfi_restore RBX+8, rbx
-+ pax_force_retaddr
- ret $REST_SKIP /* pop extended registers */
- CFI_ENDPROC
--END(ptregscall_common)
-+ENDPROC(ptregscall_common)
-
- ENTRY(stub_execve)
- CFI_STARTPROC
-@@ -764,7 +1069,7 @@ ENTRY(stub_execve)
- RESTORE_REST
- jmp int_ret_from_sys_call
- CFI_ENDPROC
--END(stub_execve)
-+ENDPROC(stub_execve)
-
- /*
- * sigreturn is special because it needs to restore all registers on return.
-@@ -782,7 +1087,7 @@ ENTRY(stub_rt_sigreturn)
- RESTORE_REST
- jmp int_ret_from_sys_call
- CFI_ENDPROC
--END(stub_rt_sigreturn)
-+ENDPROC(stub_rt_sigreturn)
-
- #ifdef CONFIG_X86_X32_ABI
- PTREGSCALL stub_x32_sigaltstack, sys32_sigaltstack, %rdx
-@@ -851,7 +1156,7 @@ vector=vector+1
- 2: jmp common_interrupt
- .endr
- CFI_ENDPROC
--END(irq_entries_start)
-+ENDPROC(irq_entries_start)
-
- .previous
- END(interrupt)
-@@ -871,6 +1176,16 @@ END(interrupt)
- subq $ORIG_RAX-RBP, %rsp
- CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP
- SAVE_ARGS_IRQ
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rdi)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- call \func
- .endm
-
-@@ -902,7 +1217,7 @@ ret_from_intr:
-
- exit_intr:
- GET_THREAD_INFO(%rcx)
-- testl $3,CS-ARGOFFSET(%rsp)
-+ testb $3,CS-ARGOFFSET(%rsp)
- je retint_kernel
-
- /* Interrupt came from user space */
-@@ -924,12 +1239,16 @@ retint_swapgs: /* return to user-space */
- * The iretq could re-enable interrupts:
- */
- DISABLE_INTERRUPTS(CLBR_ANY)
-+ pax_exit_kernel_user
-+retint_swapgs_pax:
- TRACE_IRQS_IRETQ
- SWAPGS
- jmp restore_args
-
- retint_restore_args: /* return to kernel space */
- DISABLE_INTERRUPTS(CLBR_ANY)
-+ pax_exit_kernel
-+ pax_force_retaddr RIP-ARGOFFSET
- /*
- * The iretq could re-enable interrupts:
- */
-@@ -1012,7 +1331,7 @@ ENTRY(retint_kernel)
- #endif
-
- CFI_ENDPROC
--END(common_interrupt)
-+ENDPROC(common_interrupt)
- /*
- * End of kprobes section
- */
-@@ -1029,7 +1348,7 @@ ENTRY(\sym)
- interrupt \do_sym
- jmp ret_from_intr
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
- #ifdef CONFIG_SMP
-@@ -1102,12 +1421,22 @@ ENTRY(\sym)
- CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
- call error_entry
- DEFAULT_FRAME 0
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- movq %rsp,%rdi /* pt_regs pointer */
- xorl %esi,%esi /* no error code */
- call \do_sym
- jmp error_exit /* %ebx: no swapgs flag */
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
- .macro paranoidzeroentry sym do_sym
-@@ -1119,15 +1448,25 @@ ENTRY(\sym)
- CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
- call save_paranoid
- TRACE_IRQS_OFF
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- movq %rsp,%rdi /* pt_regs pointer */
- xorl %esi,%esi /* no error code */
- call \do_sym
- jmp paranoid_exit /* %ebx: no swapgs flag */
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
--#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8)
-+#define INIT_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r12)
- .macro paranoidzeroentry_ist sym do_sym ist
- ENTRY(\sym)
- INTR_FRAME
-@@ -1137,14 +1476,30 @@ ENTRY(\sym)
- CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
- call save_paranoid
- TRACE_IRQS_OFF_DEBUG
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- movq %rsp,%rdi /* pt_regs pointer */
- xorl %esi,%esi /* no error code */
-+#ifdef CONFIG_SMP
-+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r12d
-+ lea init_tss(%r12), %r12
-+#else
-+ lea init_tss(%rip), %r12
-+#endif
- subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist)
- call \do_sym
- addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist)
- jmp paranoid_exit /* %ebx: no swapgs flag */
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
- .macro errorentry sym do_sym
-@@ -1155,13 +1510,23 @@ ENTRY(\sym)
- CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
- call error_entry
- DEFAULT_FRAME 0
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- movq %rsp,%rdi /* pt_regs pointer */
- movq ORIG_RAX(%rsp),%rsi /* get error code */
- movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */
- call \do_sym
- jmp error_exit /* %ebx: no swapgs flag */
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
- /* error code is on the stack already */
-@@ -1174,13 +1539,23 @@ ENTRY(\sym)
- call save_paranoid
- DEFAULT_FRAME 0
- TRACE_IRQS_OFF
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- movq %rsp,%rdi /* pt_regs pointer */
- movq ORIG_RAX(%rsp),%rsi /* get error code */
- movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */
- call \do_sym
- jmp paranoid_exit /* %ebx: no swapgs flag */
- CFI_ENDPROC
--END(\sym)
-+ENDPROC(\sym)
- .endm
-
- zeroentry divide_error do_divide_error
-@@ -1210,9 +1585,10 @@ gs_change:
- 2: mfence /* workaround */
- SWAPGS
- popfq_cfi
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--END(native_load_gs_index)
-+ENDPROC(native_load_gs_index)
-
- _ASM_EXTABLE(gs_change,bad_gs)
- .section .fixup,"ax"
-@@ -1231,13 +1607,14 @@ ENTRY(kernel_thread_helper)
- * Here we are in the child and the registers are set as they were
- * at kernel_thread() invocation in the parent.
- */
-+ pax_force_fptr %rsi
- call *%rsi
- # exit
- mov %eax, %edi
- call do_exit
- ud2 # padding for call trace
- CFI_ENDPROC
--END(kernel_thread_helper)
-+ENDPROC(kernel_thread_helper)
-
- /*
- * execve(). This function needs to use IRET, not SYSRET, to set up all state properly.
-@@ -1264,11 +1641,11 @@ ENTRY(kernel_execve)
- RESTORE_REST
- testq %rax,%rax
- je int_ret_from_sys_call
-- RESTORE_ARGS
- UNFAKE_STACK_FRAME
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--END(kernel_execve)
-+ENDPROC(kernel_execve)
-
- /* Call softirq on interrupt stack. Interrupts are off. */
- ENTRY(call_softirq)
-@@ -1286,9 +1663,10 @@ ENTRY(call_softirq)
- CFI_DEF_CFA_REGISTER rsp
- CFI_ADJUST_CFA_OFFSET -8
- decl PER_CPU_VAR(irq_count)
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--END(call_softirq)
-+ENDPROC(call_softirq)
-
- #ifdef CONFIG_XEN
- zeroentry xen_hypervisor_callback xen_do_hypervisor_callback
-@@ -1326,7 +1704,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs)
- decl PER_CPU_VAR(irq_count)
- jmp error_exit
- CFI_ENDPROC
--END(xen_do_hypervisor_callback)
-+ENDPROC(xen_do_hypervisor_callback)
-
- /*
- * Hypervisor uses this for application faults while it executes.
-@@ -1385,7 +1763,7 @@ ENTRY(xen_failsafe_callback)
- SAVE_ALL
- jmp error_exit
- CFI_ENDPROC
--END(xen_failsafe_callback)
-+ENDPROC(xen_failsafe_callback)
-
- apicinterrupt XEN_HVM_EVTCHN_CALLBACK \
- xen_hvm_callback_vector xen_evtchn_do_upcall
-@@ -1434,16 +1812,31 @@ ENTRY(paranoid_exit)
- TRACE_IRQS_OFF_DEBUG
- testl %ebx,%ebx /* swapgs needed? */
- jnz paranoid_restore
-- testl $3,CS(%rsp)
-+ testb $3,CS(%rsp)
- jnz paranoid_userspace
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pax_exit_kernel
-+ TRACE_IRQS_IRETQ 0
-+ SWAPGS_UNSAFE_STACK
-+ RESTORE_ALL 8
-+ pax_force_retaddr_bts
-+ jmp irq_return
-+#endif
- paranoid_swapgs:
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pax_exit_kernel_user
-+#else
-+ pax_exit_kernel
-+#endif
- TRACE_IRQS_IRETQ 0
- SWAPGS_UNSAFE_STACK
- RESTORE_ALL 8
- jmp irq_return
- paranoid_restore:
-+ pax_exit_kernel
- TRACE_IRQS_IRETQ_DEBUG 0
- RESTORE_ALL 8
-+ pax_force_retaddr_bts
- jmp irq_return
- paranoid_userspace:
- GET_THREAD_INFO(%rcx)
-@@ -1472,7 +1865,7 @@ paranoid_schedule:
- TRACE_IRQS_OFF
- jmp paranoid_userspace
- CFI_ENDPROC
--END(paranoid_exit)
-+ENDPROC(paranoid_exit)
-
- /*
- * Exception entry point. This expects an error code/orig_rax on the stack.
-@@ -1499,12 +1892,13 @@ ENTRY(error_entry)
- movq_cfi r14, R14+8
- movq_cfi r15, R15+8
- xorl %ebx,%ebx
-- testl $3,CS+8(%rsp)
-+ testb $3,CS+8(%rsp)
- je error_kernelspace
- error_swapgs:
- SWAPGS
- error_sti:
- TRACE_IRQS_OFF
-+ pax_force_retaddr_bts
- ret
-
- /*
-@@ -1531,7 +1925,7 @@ bstep_iret:
- movq %rcx,RIP+8(%rsp)
- jmp error_swapgs
- CFI_ENDPROC
--END(error_entry)
-+ENDPROC(error_entry)
-
-
- /* ebx: no swapgs flag (1: don't need swapgs, 0: need it) */
-@@ -1551,7 +1945,7 @@ ENTRY(error_exit)
- jnz retint_careful
- jmp retint_swapgs
- CFI_ENDPROC
--END(error_exit)
-+ENDPROC(error_exit)
-
- /*
- * Test if a given stack is an NMI stack or not.
-@@ -1609,9 +2003,11 @@ ENTRY(nmi)
- * If %cs was not the kernel segment, then the NMI triggered in user
- * space, which means it is definitely not nested.
- */
-+ cmpl $__KERNEXEC_KERNEL_CS, 16(%rsp)
-+ je 1f
- cmpl $__KERNEL_CS, 16(%rsp)
- jne first_nmi
--
-+1:
- /*
- * Check the special variable on the stack to see if NMIs are
- * executing.
-@@ -1758,6 +2154,16 @@ end_repeat_nmi:
- */
- call save_paranoid
- DEFAULT_FRAME 0
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ testb $3, CS(%rsp)
-+ jnz 1f
-+ pax_enter_kernel
-+ jmp 2f
-+1: pax_enter_kernel_user
-+2:
-+#else
-+ pax_enter_kernel
-+#endif
- /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */
- movq %rsp,%rdi
- movq $-1,%rsi
-@@ -1765,21 +2171,32 @@ end_repeat_nmi:
- testl %ebx,%ebx /* swapgs needed? */
- jnz nmi_restore
- nmi_swapgs:
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pax_exit_kernel_user
-+#else
-+ pax_exit_kernel
-+#endif
- SWAPGS_UNSAFE_STACK
-+ RESTORE_ALL 8
-+ /* Clear the NMI executing stack variable */
-+ movq $0, 10*8(%rsp)
-+ jmp irq_return
- nmi_restore:
-+ pax_exit_kernel
- RESTORE_ALL 8
-+ pax_force_retaddr_bts
- /* Clear the NMI executing stack variable */
- movq $0, 10*8(%rsp)
- jmp irq_return
- CFI_ENDPROC
--END(nmi)
-+ENDPROC(nmi)
-
- ENTRY(ignore_sysret)
- CFI_STARTPROC
- mov $-ENOSYS,%eax
- sysret
- CFI_ENDPROC
--END(ignore_sysret)
-+ENDPROC(ignore_sysret)
-
- /*
- * End of kprobes section
-diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
-index c3a7cb4..3ad00dc 100644
---- a/arch/x86/kernel/ftrace.c
-+++ b/arch/x86/kernel/ftrace.c
-@@ -105,6 +105,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code,
- {
- unsigned char replaced[MCOUNT_INSN_SIZE];
-
-+ ip = ktla_ktva(ip);
-+
- /*
- * Note: Due to modules and __init, code can
- * disappear and change, we need to protect against faulting
-@@ -212,7 +214,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
- unsigned char old[MCOUNT_INSN_SIZE], *new;
- int ret;
-
-- memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
-+ memcpy(old, (void *)ktla_ktva((unsigned long)ftrace_call), MCOUNT_INSN_SIZE);
- new = ftrace_call_replace(ip, (unsigned long)func);
-
- /* See comment above by declaration of modifying_ftrace_code */
-@@ -605,6 +607,8 @@ static int ftrace_mod_jmp(unsigned long ip,
- {
- unsigned char code[MCOUNT_INSN_SIZE];
-
-+ ip = ktla_ktva(ip);
-+
- if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE))
- return -EFAULT;
-
-diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
-index c18f59d..9c0c9f6 100644
---- a/arch/x86/kernel/head32.c
-+++ b/arch/x86/kernel/head32.c
-@@ -18,6 +18,7 @@
- #include <asm/io_apic.h>
- #include <asm/bios_ebda.h>
- #include <asm/tlbflush.h>
-+#include <asm/boot.h>
-
- static void __init i386_default_early_setup(void)
- {
-@@ -30,8 +31,7 @@ static void __init i386_default_early_setup(void)
-
- void __init i386_start_kernel(void)
- {
-- memblock_reserve(__pa_symbol(&_text),
-- __pa_symbol(&__bss_stop) - __pa_symbol(&_text));
-+ memblock_reserve(LOAD_PHYSICAL_ADDR, __pa_symbol(&__bss_stop) - LOAD_PHYSICAL_ADDR);
-
- #ifdef CONFIG_BLK_DEV_INITRD
- /* Reserve INITRD */
-diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
-index d42ab17..cb1b997 100644
---- a/arch/x86/kernel/head_32.S
-+++ b/arch/x86/kernel/head_32.S
-@@ -26,6 +26,12 @@
- /* Physical address */
- #define pa(X) ((X) - __PAGE_OFFSET)
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+#define ta(X) (X)
-+#else
-+#define ta(X) ((X) - __PAGE_OFFSET)
-+#endif
-+
- /*
- * References to members of the new_cpu_data structure.
- */
-@@ -55,11 +61,7 @@
- * and small than max_low_pfn, otherwise will waste some page table entries
- */
-
--#if PTRS_PER_PMD > 1
--#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD)
--#else
--#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD)
--#endif
-+#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE)
-
- /* Number of possible pages in the lowmem region */
- LOWMEM_PAGES = (((1<<32) - __PAGE_OFFSET) >> PAGE_SHIFT)
-@@ -78,6 +80,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE
- RESERVE_BRK(pagetables, INIT_MAP_SIZE)
-
- /*
-+ * Real beginning of normal "text" segment
-+ */
-+ENTRY(stext)
-+ENTRY(_stext)
-+
-+/*
- * 32-bit kernel entrypoint; only used by the boot CPU. On entry,
- * %esi points to the real-mode code as a 32-bit pointer.
- * CS and DS must be 4 GB flat segments, but we don't depend on
-@@ -85,6 +93,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
- * can.
- */
- __HEAD
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ jmp startup_32
-+/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */
-+.fill PAGE_SIZE-5,1,0xcc
-+#endif
-+
- ENTRY(startup_32)
- movl pa(stack_start),%ecx
-
-@@ -106,6 +121,57 @@ ENTRY(startup_32)
- 2:
- leal -__PAGE_OFFSET(%ecx),%esp
-
-+#ifdef CONFIG_SMP
-+ movl $pa(cpu_gdt_table),%edi
-+ movl $__per_cpu_load,%eax
-+ movw %ax,__KERNEL_PERCPU + 2(%edi)
-+ rorl $16,%eax
-+ movb %al,__KERNEL_PERCPU + 4(%edi)
-+ movb %ah,__KERNEL_PERCPU + 7(%edi)
-+ movl $__per_cpu_end - 1,%eax
-+ subl $__per_cpu_start,%eax
-+ movw %ax,__KERNEL_PERCPU + 0(%edi)
-+#endif
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ movl $NR_CPUS,%ecx
-+ movl $pa(cpu_gdt_table),%edi
-+1:
-+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi)
-+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi)
-+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi)
-+ addl $PAGE_SIZE_asm,%edi
-+ loop 1b
-+#endif
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ movl $pa(boot_gdt),%edi
-+ movl $__LOAD_PHYSICAL_ADDR,%eax
-+ movw %ax,__BOOT_CS + 2(%edi)
-+ rorl $16,%eax
-+ movb %al,__BOOT_CS + 4(%edi)
-+ movb %ah,__BOOT_CS + 7(%edi)
-+ rorl $16,%eax
-+
-+ ljmp $(__BOOT_CS),$1f
-+1:
-+
-+ movl $NR_CPUS,%ecx
-+ movl $pa(cpu_gdt_table),%edi
-+ addl $__PAGE_OFFSET,%eax
-+1:
-+ movw %ax,__KERNEL_CS + 2(%edi)
-+ movw %ax,__KERNEXEC_KERNEL_CS + 2(%edi)
-+ rorl $16,%eax
-+ movb %al,__KERNEL_CS + 4(%edi)
-+ movb %al,__KERNEXEC_KERNEL_CS + 4(%edi)
-+ movb %ah,__KERNEL_CS + 7(%edi)
-+ movb %ah,__KERNEXEC_KERNEL_CS + 7(%edi)
-+ rorl $16,%eax
-+ addl $PAGE_SIZE_asm,%edi
-+ loop 1b
-+#endif
-+
- /*
- * Clear BSS first so that there are no surprises...
- */
-@@ -196,8 +262,11 @@ ENTRY(startup_32)
- movl %eax, pa(max_pfn_mapped)
-
- /* Do early initialization of the fixmap area */
-- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
-- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8)
-+#ifdef CONFIG_COMPAT_VDSO
-+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8)
-+#else
-+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8)
-+#endif
- #else /* Not PAE */
-
- page_pde_offset = (__PAGE_OFFSET >> 20);
-@@ -227,8 +296,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
- movl %eax, pa(max_pfn_mapped)
-
- /* Do early initialization of the fixmap area */
-- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
-- movl %eax,pa(initial_page_table+0xffc)
-+#ifdef CONFIG_COMPAT_VDSO
-+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc)
-+#else
-+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc)
-+#endif
- #endif
-
- #ifdef CONFIG_PARAVIRT
-@@ -242,9 +314,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
- cmpl $num_subarch_entries, %eax
- jae bad_subarch
-
-- movl pa(subarch_entries)(,%eax,4), %eax
-- subl $__PAGE_OFFSET, %eax
-- jmp *%eax
-+ jmp *pa(subarch_entries)(,%eax,4)
-
- bad_subarch:
- WEAK(lguest_entry)
-@@ -256,10 +326,10 @@ WEAK(xen_entry)
- __INITDATA
-
- subarch_entries:
-- .long default_entry /* normal x86/PC */
-- .long lguest_entry /* lguest hypervisor */
-- .long xen_entry /* Xen hypervisor */
-- .long default_entry /* Moorestown MID */
-+ .long ta(default_entry) /* normal x86/PC */
-+ .long ta(lguest_entry) /* lguest hypervisor */
-+ .long ta(xen_entry) /* Xen hypervisor */
-+ .long ta(default_entry) /* Moorestown MID */
- num_subarch_entries = (. - subarch_entries) / 4
- .previous
- #else
-@@ -310,6 +380,7 @@ default_entry:
- orl %edx,%eax
- movl %eax,%cr4
-
-+#ifdef CONFIG_X86_PAE
- testb $X86_CR4_PAE, %al # check if PAE is enabled
- jz 6f
-
-@@ -338,6 +409,9 @@ default_entry:
- /* Make changes effective */
- wrmsr
-
-+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4)
-+#endif
-+
- 6:
-
- /*
-@@ -436,14 +510,20 @@ is386: movl $2,%ecx # set MP
- 1: movl $(__KERNEL_DS),%eax # reload all the segment registers
- movl %eax,%ss # after changing gdt.
-
-- movl $(__USER_DS),%eax # DS/ES contains default USER segment
-+# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment
- movl %eax,%ds
- movl %eax,%es
-
- movl $(__KERNEL_PERCPU), %eax
- movl %eax,%fs # set this cpu's percpu
-
-+#ifdef CONFIG_CC_STACKPROTECTOR
- movl $(__KERNEL_STACK_CANARY),%eax
-+#elif defined(CONFIG_PAX_MEMORY_UDEREF)
-+ movl $(__USER_DS),%eax
-+#else
-+ xorl %eax,%eax
-+#endif
- movl %eax,%gs
-
- xorl %eax,%eax # Clear LDT
-@@ -520,8 +600,11 @@ setup_once:
- * relocation. Manually set base address in stack canary
- * segment descriptor.
- */
-- movl $gdt_page,%eax
-+ movl $cpu_gdt_table,%eax
- movl $stack_canary,%ecx
-+#ifdef CONFIG_SMP
-+ addl $__per_cpu_load,%ecx
-+#endif
- movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax)
- shrl $16, %ecx
- movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax)
-@@ -552,7 +635,7 @@ ENDPROC(early_idt_handlers)
- /* This is global to keep gas from relaxing the jumps */
- ENTRY(early_idt_handler)
- cld
-- cmpl $2,%ss:early_recursion_flag
-+ cmpl $1,%ss:early_recursion_flag
- je hlt_loop
- incl %ss:early_recursion_flag
-
-@@ -590,8 +673,8 @@ ENTRY(early_idt_handler)
- pushl (20+6*4)(%esp) /* trapno */
- pushl $fault_msg
- call printk
--#endif
- call dump_stack
-+#endif
- hlt_loop:
- hlt
- jmp hlt_loop
-@@ -610,8 +693,11 @@ ENDPROC(early_idt_handler)
- /* This is the default interrupt "handler" :-) */
- ALIGN
- ignore_int:
-- cld
- #ifdef CONFIG_PRINTK
-+ cmpl $2,%ss:early_recursion_flag
-+ je hlt_loop
-+ incl %ss:early_recursion_flag
-+ cld
- pushl %eax
- pushl %ecx
- pushl %edx
-@@ -620,9 +706,6 @@ ignore_int:
- movl $(__KERNEL_DS),%eax
- movl %eax,%ds
- movl %eax,%es
-- cmpl $2,early_recursion_flag
-- je hlt_loop
-- incl early_recursion_flag
- pushl 16(%esp)
- pushl 24(%esp)
- pushl 32(%esp)
-@@ -656,29 +739,43 @@ ENTRY(setup_once_ref)
- /*
- * BSS section
- */
--__PAGE_ALIGNED_BSS
-- .align PAGE_SIZE
- #ifdef CONFIG_X86_PAE
-+.section .initial_pg_pmd,"a",@progbits
- initial_pg_pmd:
- .fill 1024*KPMDS,4,0
- #else
-+.section .initial_page_table,"a",@progbits
- ENTRY(initial_page_table)
- .fill 1024,4,0
- #endif
-+.section .initial_pg_fixmap,"a",@progbits
- initial_pg_fixmap:
- .fill 1024,4,0
-+.section .empty_zero_page,"a",@progbits
- ENTRY(empty_zero_page)
- .fill 4096,1,0
-+.section .swapper_pg_dir,"a",@progbits
- ENTRY(swapper_pg_dir)
-+#ifdef CONFIG_X86_PAE
-+ .fill 4,8,0
-+#else
- .fill 1024,4,0
-+#endif
-+
-+/*
-+ * The IDT has to be page-aligned to simplify the Pentium
-+ * F0 0F bug workaround.. We have a special link segment
-+ * for this.
-+ */
-+.section .idt,"a",@progbits
-+ENTRY(idt_table)
-+ .fill 256,8,0
-
- /*
- * This starts the data section.
- */
- #ifdef CONFIG_X86_PAE
--__PAGE_ALIGNED_DATA
-- /* Page-aligned for the benefit of paravirt? */
-- .align PAGE_SIZE
-+.section .initial_page_table,"a",@progbits
- ENTRY(initial_page_table)
- .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */
- # if KPMDS == 3
-@@ -697,12 +794,20 @@ ENTRY(initial_page_table)
- # error "Kernel PMDs should be 1, 2 or 3"
- # endif
- .align PAGE_SIZE /* needs to be page-sized too */
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ENTRY(cpu_pgd)
-+ .rept NR_CPUS
-+ .fill 4,8,0
-+ .endr
-+#endif
-+
- #endif
-
- .data
- .balign 4
- ENTRY(stack_start)
-- .long init_thread_union+THREAD_SIZE
-+ .long init_thread_union+THREAD_SIZE-8
-
- __INITRODATA
- int_msg:
-@@ -730,7 +835,7 @@ fault_msg:
- * segment size, and 32-bit linear address value:
- */
-
-- .data
-+.section .rodata,"a",@progbits
- .globl boot_gdt_descr
- .globl idt_descr
-
-@@ -739,7 +844,7 @@ fault_msg:
- .word 0 # 32 bit align gdt_desc.address
- boot_gdt_descr:
- .word __BOOT_DS+7
-- .long boot_gdt - __PAGE_OFFSET
-+ .long pa(boot_gdt)
-
- .word 0 # 32-bit align idt_desc.address
- idt_descr:
-@@ -750,7 +855,7 @@ idt_descr:
- .word 0 # 32 bit align gdt_desc.address
- ENTRY(early_gdt_descr)
- .word GDT_ENTRIES*8-1
-- .long gdt_page /* Overwritten for secondary CPUs */
-+ .long cpu_gdt_table /* Overwritten for secondary CPUs */
-
- /*
- * The boot_gdt must mirror the equivalent in setup.S and is
-@@ -759,5 +864,65 @@ ENTRY(early_gdt_descr)
- .align L1_CACHE_BYTES
- ENTRY(boot_gdt)
- .fill GDT_ENTRY_BOOT_CS,8,0
-- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */
-- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */
-+ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */
-+ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */
-+
-+ .align PAGE_SIZE_asm
-+ENTRY(cpu_gdt_table)
-+ .rept NR_CPUS
-+ .quad 0x0000000000000000 /* NULL descriptor */
-+ .quad 0x0000000000000000 /* 0x0b reserved */
-+ .quad 0x0000000000000000 /* 0x13 reserved */
-+ .quad 0x0000000000000000 /* 0x1b reserved */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */
-+#else
-+ .quad 0x0000000000000000 /* 0x20 unused */
-+#endif
-+
-+ .quad 0x0000000000000000 /* 0x28 unused */
-+ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */
-+ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */
-+ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */
-+ .quad 0x0000000000000000 /* 0x4b reserved */
-+ .quad 0x0000000000000000 /* 0x53 reserved */
-+ .quad 0x0000000000000000 /* 0x5b reserved */
-+
-+ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */
-+ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */
-+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */
-+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */
-+
-+ .quad 0x0000000000000000 /* 0x80 TSS descriptor */
-+ .quad 0x0000000000000000 /* 0x88 LDT descriptor */
-+
-+ /*
-+ * Segments used for calling PnP BIOS have byte granularity.
-+ * The code segments and data segments have fixed 64k limits,
-+ * the transfer segment sizes are set at run time.
-+ */
-+ .quad 0x00409b000000ffff /* 0x90 32-bit code */
-+ .quad 0x00009b000000ffff /* 0x98 16-bit code */
-+ .quad 0x000093000000ffff /* 0xa0 16-bit data */
-+ .quad 0x0000930000000000 /* 0xa8 16-bit data */
-+ .quad 0x0000930000000000 /* 0xb0 16-bit data */
-+
-+ /*
-+ * The APM segments have byte granularity and their bases
-+ * are set at run time. All have 64k limits.
-+ */
-+ .quad 0x00409b000000ffff /* 0xb8 APM CS code */
-+ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */
-+ .quad 0x004093000000ffff /* 0xc8 APM DS data */
-+
-+ .quad 0x00c0930000000000 /* 0xd0 - ESPFIX SS */
-+ .quad 0x0040930000000000 /* 0xd8 - PERCPU */
-+ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */
-+ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */
-+ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */
-+ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */
-+
-+ /* Be sure this is zeroed to avoid false validations in Xen */
-+ .fill PAGE_SIZE_asm - GDT_SIZE,1,0
-+ .endr
-diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
-index 94bf9cc..400455a 100644
---- a/arch/x86/kernel/head_64.S
-+++ b/arch/x86/kernel/head_64.S
-@@ -20,6 +20,8 @@
- #include <asm/processor-flags.h>
- #include <asm/percpu.h>
- #include <asm/nops.h>
-+#include <asm/cpufeature.h>
-+#include <asm/alternative-asm.h>
-
- #ifdef CONFIG_PARAVIRT
- #include <asm/asm-offsets.h>
-@@ -41,6 +43,12 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET)
- L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET)
- L4_START_KERNEL = pgd_index(__START_KERNEL_map)
- L3_START_KERNEL = pud_index(__START_KERNEL_map)
-+L4_VMALLOC_START = pgd_index(VMALLOC_START)
-+L3_VMALLOC_START = pud_index(VMALLOC_START)
-+L4_VMALLOC_END = pgd_index(VMALLOC_END)
-+L3_VMALLOC_END = pud_index(VMALLOC_END)
-+L4_VMEMMAP_START = pgd_index(VMEMMAP_START)
-+L3_VMEMMAP_START = pud_index(VMEMMAP_START)
-
- .text
- __HEAD
-@@ -88,35 +96,23 @@ startup_64:
- */
- addq %rbp, init_level4_pgt + 0(%rip)
- addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
-+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip)
-+ addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip)
-+ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip)
- addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
-
- addq %rbp, level3_ident_pgt + 0(%rip)
-+#ifndef CONFIG_XEN
-+ addq %rbp, level3_ident_pgt + 8(%rip)
-+#endif
-
-- addq %rbp, level3_kernel_pgt + (510*8)(%rip)
-- addq %rbp, level3_kernel_pgt + (511*8)(%rip)
-+ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip)
-+
-+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip)
-+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8+8)(%rip)
-
- addq %rbp, level2_fixmap_pgt + (506*8)(%rip)
--
-- /* Add an Identity mapping if I am above 1G */
-- leaq _text(%rip), %rdi
-- andq $PMD_PAGE_MASK, %rdi
--
-- movq %rdi, %rax
-- shrq $PUD_SHIFT, %rax
-- andq $(PTRS_PER_PUD - 1), %rax
-- jz ident_complete
--
-- leaq (level2_spare_pgt - __START_KERNEL_map + _KERNPG_TABLE)(%rbp), %rdx
-- leaq level3_ident_pgt(%rip), %rbx
-- movq %rdx, 0(%rbx, %rax, 8)
--
-- movq %rdi, %rax
-- shrq $PMD_SHIFT, %rax
-- andq $(PTRS_PER_PMD - 1), %rax
-- leaq __PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx
-- leaq level2_spare_pgt(%rip), %rbx
-- movq %rdx, 0(%rbx, %rax, 8)
--ident_complete:
-+ addq %rbp, level2_fixmap_pgt + (507*8)(%rip)
-
- /*
- * Fixup the kernel text+data virtual addresses. Note that
-@@ -159,8 +155,8 @@ ENTRY(secondary_startup_64)
- * after the boot processor executes this code.
- */
-
-- /* Enable PAE mode and PGE */
-- movl $(X86_CR4_PAE | X86_CR4_PGE), %eax
-+ /* Enable PAE mode and PSE/PGE */
-+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %eax
- movq %rax, %cr4
-
- /* Setup early boot stage 4 level pagetables. */
-@@ -182,9 +178,17 @@ ENTRY(secondary_startup_64)
- movl $MSR_EFER, %ecx
- rdmsr
- btsl $_EFER_SCE, %eax /* Enable System Call */
-- btl $20,%edi /* No Execute supported? */
-+ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */
- jnc 1f
- btsl $_EFER_NX, %eax
-+ leaq init_level4_pgt(%rip), %rdi
-+#ifndef CONFIG_EFI
-+ btsq $_PAGE_BIT_NX, 8*L4_PAGE_OFFSET(%rdi)
-+#endif
-+ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_START(%rdi)
-+ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_END(%rdi)
-+ btsq $_PAGE_BIT_NX, 8*L4_VMEMMAP_START(%rdi)
-+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip)
- 1: wrmsr /* Make changes effective */
-
- /* Setup cr0 */
-@@ -246,6 +250,7 @@ ENTRY(secondary_startup_64)
- * jump. In addition we need to ensure %cs is set so we make this
- * a far return.
- */
-+ pax_set_fptr_mask
- movq initial_code(%rip),%rax
- pushq $0 # fake return address to stop unwinder
- pushq $__KERNEL_CS # set correct cs
-@@ -268,7 +273,7 @@ ENTRY(secondary_startup_64)
- bad_address:
- jmp bad_address
-
-- .section ".init.text","ax"
-+ __INIT
- .globl early_idt_handlers
- early_idt_handlers:
- # 104(%rsp) %rflags
-@@ -347,11 +352,15 @@ ENTRY(early_idt_handler)
- addq $16,%rsp # drop vector number and error code
- decl early_recursion_flag(%rip)
- INTERRUPT_RETURN
-+ .previous
-
-+ __INITDATA
- .balign 4
- early_recursion_flag:
- .long 0
-+ .previous
-
-+ .section .rodata,"a",@progbits
- #ifdef CONFIG_EARLY_PRINTK
- early_idt_msg:
- .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n"
-@@ -360,6 +369,7 @@ early_idt_ripmsg:
- #endif /* CONFIG_EARLY_PRINTK */
- .previous
-
-+ .section .rodata,"a",@progbits
- #define NEXT_PAGE(name) \
- .balign PAGE_SIZE; \
- ENTRY(name)
-@@ -372,7 +382,6 @@ ENTRY(name)
- i = i + 1 ; \
- .endr
-
-- .data
- /*
- * This default setting generates an ident mapping at address 0x100000
- * and a mapping for the kernel that precisely maps virtual address
-@@ -383,13 +392,41 @@ NEXT_PAGE(init_level4_pgt)
- .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
- .org init_level4_pgt + L4_PAGE_OFFSET*8, 0
- .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-+ .org init_level4_pgt + L4_VMALLOC_START*8, 0
-+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + _KERNPG_TABLE
-+ .org init_level4_pgt + L4_VMALLOC_END*8, 0
-+ .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE
-+ .org init_level4_pgt + L4_VMEMMAP_START*8, 0
-+ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
- .org init_level4_pgt + L4_START_KERNEL*8, 0
- /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
- .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+NEXT_PAGE(cpu_pgd)
-+ .rept NR_CPUS
-+ .fill 512,8,0
-+ .endr
-+#endif
-+
- NEXT_PAGE(level3_ident_pgt)
- .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-+#ifdef CONFIG_XEN
- .fill 511,8,0
-+#else
-+ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE
-+ .fill 510,8,0
-+#endif
-+
-+NEXT_PAGE(level3_vmalloc_start_pgt)
-+ .fill 512,8,0
-+
-+NEXT_PAGE(level3_vmalloc_end_pgt)
-+ .fill 512,8,0
-+
-+NEXT_PAGE(level3_vmemmap_pgt)
-+ .fill L3_VMEMMAP_START,8,0
-+ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
-
- NEXT_PAGE(level3_kernel_pgt)
- .fill L3_START_KERNEL,8,0
-@@ -397,20 +434,23 @@ NEXT_PAGE(level3_kernel_pgt)
- .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
- .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
-
-+NEXT_PAGE(level2_vmemmap_pgt)
-+ .fill 512,8,0
-+
- NEXT_PAGE(level2_fixmap_pgt)
-- .fill 506,8,0
-- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
-- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
-- .fill 5,8,0
-+ .fill 507,8,0
-+ .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE
-+ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */
-+ .fill 4,8,0
-
--NEXT_PAGE(level1_fixmap_pgt)
-+NEXT_PAGE(level1_vsyscall_pgt)
- .fill 512,8,0
-
--NEXT_PAGE(level2_ident_pgt)
-- /* Since I easily can, map the first 1G.
-+ /* Since I easily can, map the first 2G.
- * Don't set NX because code runs from these pages.
- */
-- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
-+NEXT_PAGE(level2_ident_pgt)
-+ PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD)
-
- NEXT_PAGE(level2_kernel_pgt)
- /*
-@@ -423,37 +463,59 @@ NEXT_PAGE(level2_kernel_pgt)
- * If you want to increase this then increase MODULES_VADDR
- * too.)
- */
-- PMDS(0, __PAGE_KERNEL_LARGE_EXEC,
-- KERNEL_IMAGE_SIZE/PMD_SIZE)
--
--NEXT_PAGE(level2_spare_pgt)
-- .fill 512, 8, 0
-+ PMDS(0, __PAGE_KERNEL_LARGE_EXEC, KERNEL_IMAGE_SIZE/PMD_SIZE)
-
- #undef PMDS
- #undef NEXT_PAGE
-
-- .data
-+ .align PAGE_SIZE
-+ENTRY(cpu_gdt_table)
-+ .rept NR_CPUS
-+ .quad 0x0000000000000000 /* NULL descriptor */
-+ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */
-+ .quad 0x00af9b000000ffff /* __KERNEL_CS */
-+ .quad 0x00cf93000000ffff /* __KERNEL_DS */
-+ .quad 0x00cffb000000ffff /* __USER32_CS */
-+ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */
-+ .quad 0x00affb000000ffff /* __USER_CS */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */
-+#else
-+ .quad 0x0 /* unused */
-+#endif
-+
-+ .quad 0,0 /* TSS */
-+ .quad 0,0 /* LDT */
-+ .quad 0,0,0 /* three TLS descriptors */
-+ .quad 0x0000f40000000000 /* node/CPU stored in limit */
-+ /* asm/segment.h:GDT_ENTRIES must match this */
-+
-+ /* zero the remaining page */
-+ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0
-+ .endr
-+
- .align 16
- .globl early_gdt_descr
- early_gdt_descr:
- .word GDT_ENTRIES*8-1
- early_gdt_descr_base:
-- .quad INIT_PER_CPU_VAR(gdt_page)
-+ .quad cpu_gdt_table
-
- ENTRY(phys_base)
- /* This must match the first entry in level2_kernel_pgt */
- .quad 0x0000000000000000
-
- #include "../../x86/xen/xen-head.S"
--
-- .section .bss, "aw", @nobits
-+
-+ .section .rodata,"a",@progbits
- .align L1_CACHE_BYTES
- ENTRY(idt_table)
-- .skip IDT_ENTRIES * 16
-+ .fill 512,8,0
-
- .align L1_CACHE_BYTES
- ENTRY(nmi_idt_table)
-- .skip IDT_ENTRIES * 16
-+ .fill 512,8,0
-
- __PAGE_ALIGNED_BSS
- .align PAGE_SIZE
-diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c
-index 9c3bd4a..e1d9b35 100644
---- a/arch/x86/kernel/i386_ksyms_32.c
-+++ b/arch/x86/kernel/i386_ksyms_32.c
-@@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void);
- EXPORT_SYMBOL(cmpxchg8b_emu);
- #endif
-
-+EXPORT_SYMBOL_GPL(cpu_gdt_table);
-+
- /* Networking helper routines. */
- EXPORT_SYMBOL(csum_partial_copy_generic);
-+EXPORT_SYMBOL(csum_partial_copy_generic_to_user);
-+EXPORT_SYMBOL(csum_partial_copy_generic_from_user);
-
- EXPORT_SYMBOL(__get_user_1);
- EXPORT_SYMBOL(__get_user_2);
-@@ -36,3 +40,7 @@ EXPORT_SYMBOL(strstr);
-
- EXPORT_SYMBOL(csum_partial);
- EXPORT_SYMBOL(empty_zero_page);
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR);
-+#endif
-diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
-index f250431..54097e7 100644
---- a/arch/x86/kernel/i387.c
-+++ b/arch/x86/kernel/i387.c
-@@ -59,7 +59,7 @@ static inline bool interrupted_kernel_fpu_idle(void)
- static inline bool interrupted_user_mode(void)
- {
- struct pt_regs *regs = get_irq_regs();
-- return regs && user_mode_vm(regs);
-+ return regs && user_mode(regs);
- }
-
- /*
-diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
-index 36d1853..bf25736 100644
---- a/arch/x86/kernel/i8259.c
-+++ b/arch/x86/kernel/i8259.c
-@@ -209,7 +209,7 @@ spurious_8259A_irq:
- "spurious 8259A interrupt: IRQ%d.\n", irq);
- spurious_irq_mask |= irqmask;
- }
-- atomic_inc(&irq_err_count);
-+ atomic_inc_unchecked(&irq_err_count);
- /*
- * Theoretically we do not have to handle this IRQ,
- * but in Linux this does not cause problems and is
-diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
-index 8c96897..be66bfa 100644
---- a/arch/x86/kernel/ioport.c
-+++ b/arch/x86/kernel/ioport.c
-@@ -6,6 +6,7 @@
- #include <linux/sched.h>
- #include <linux/kernel.h>
- #include <linux/capability.h>
-+#include <linux/security.h>
- #include <linux/errno.h>
- #include <linux/types.h>
- #include <linux/ioport.h>
-@@ -28,6 +29,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
-
- if ((from + num <= from) || (from + num > IO_BITMAP_BITS))
- return -EINVAL;
-+#ifdef CONFIG_GRKERNSEC_IO
-+ if (turn_on && grsec_disable_privio) {
-+ gr_handle_ioperm();
-+ return -EPERM;
-+ }
-+#endif
- if (turn_on && !capable(CAP_SYS_RAWIO))
- return -EPERM;
-
-@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
- * because the ->io_bitmap_max value must match the bitmap
- * contents:
- */
-- tss = &per_cpu(init_tss, get_cpu());
-+ tss = init_tss + get_cpu();
-
- if (turn_on)
- bitmap_clear(t->io_bitmap_ptr, from, num);
-@@ -102,6 +109,12 @@ long sys_iopl(unsigned int level, struct pt_regs *regs)
- return -EINVAL;
- /* Trying to gain more privileges? */
- if (level > old) {
-+#ifdef CONFIG_GRKERNSEC_IO
-+ if (grsec_disable_privio) {
-+ gr_handle_iopl();
-+ return -EPERM;
-+ }
-+#endif
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
- }
-diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
-index 3dafc60..aa8e9c4 100644
---- a/arch/x86/kernel/irq.c
-+++ b/arch/x86/kernel/irq.c
-@@ -18,7 +18,7 @@
- #include <asm/mce.h>
- #include <asm/hw_irq.h>
-
--atomic_t irq_err_count;
-+atomic_unchecked_t irq_err_count;
-
- /* Function pointer for generic interrupt vector handling */
- void (*x86_platform_ipi_callback)(void) = NULL;
-@@ -121,9 +121,9 @@ int arch_show_interrupts(struct seq_file *p, int prec)
- seq_printf(p, "%10u ", per_cpu(mce_poll_count, j));
- seq_printf(p, " Machine check polls\n");
- #endif
-- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
-+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count));
- #if defined(CONFIG_X86_IO_APIC)
-- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
-+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count));
- #endif
- return 0;
- }
-@@ -164,10 +164,10 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
-
- u64 arch_irq_stat(void)
- {
-- u64 sum = atomic_read(&irq_err_count);
-+ u64 sum = atomic_read_unchecked(&irq_err_count);
-
- #ifdef CONFIG_X86_IO_APIC
-- sum += atomic_read(&irq_mis_count);
-+ sum += atomic_read_unchecked(&irq_mis_count);
- #endif
- return sum;
- }
-diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
-index 344faf8..355f60d 100644
---- a/arch/x86/kernel/irq_32.c
-+++ b/arch/x86/kernel/irq_32.c
-@@ -39,7 +39,7 @@ static int check_stack_overflow(void)
- __asm__ __volatile__("andl %%esp,%0" :
- "=r" (sp) : "0" (THREAD_SIZE - 1));
-
-- return sp < (sizeof(struct thread_info) + STACK_WARN);
-+ return sp < STACK_WARN;
- }
-
- static void print_stack_overflow(void)
-@@ -59,8 +59,8 @@ static inline void print_stack_overflow(void) { }
- * per-CPU IRQ handling contexts (thread information and stack)
- */
- union irq_ctx {
-- struct thread_info tinfo;
-- u32 stack[THREAD_SIZE/sizeof(u32)];
-+ unsigned long previous_esp;
-+ u32 stack[THREAD_SIZE/sizeof(u32)];
- } __attribute__((aligned(THREAD_SIZE)));
-
- static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx);
-@@ -80,10 +80,9 @@ static void call_on_stack(void *func, void *stack)
- static inline int
- execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
- {
-- union irq_ctx *curctx, *irqctx;
-+ union irq_ctx *irqctx;
- u32 *isp, arg1, arg2;
-
-- curctx = (union irq_ctx *) current_thread_info();
- irqctx = __this_cpu_read(hardirq_ctx);
-
- /*
-@@ -92,16 +91,16 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
- * handler) we can't do that and just have to keep using the
- * current stack (which is the irq stack already after all)
- */
-- if (unlikely(curctx == irqctx))
-+ if (unlikely((void *)current_stack_pointer - (void *)irqctx < THREAD_SIZE))
- return 0;
-
- /* build the stack frame on the IRQ stack */
-- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx));
-- irqctx->tinfo.task = curctx->tinfo.task;
-- irqctx->tinfo.previous_esp = current_stack_pointer;
-+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8);
-+ irqctx->previous_esp = current_stack_pointer;
-
-- /* Copy the preempt_count so that the [soft]irq checks work. */
-- irqctx->tinfo.preempt_count = curctx->tinfo.preempt_count;
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(MAKE_MM_SEG(0));
-+#endif
-
- if (unlikely(overflow))
- call_on_stack(print_stack_overflow, isp);
-@@ -113,6 +112,11 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
- : "0" (irq), "1" (desc), "2" (isp),
- "D" (desc->handle_irq)
- : "memory", "cc", "ecx");
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(current_thread_info()->addr_limit);
-+#endif
-+
- return 1;
- }
-
-@@ -121,29 +125,14 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
- */
- void __cpuinit irq_ctx_init(int cpu)
- {
-- union irq_ctx *irqctx;
--
- if (per_cpu(hardirq_ctx, cpu))
- return;
-
-- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
-- THREADINFO_GFP,
-- THREAD_SIZE_ORDER));
-- memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
-- irqctx->tinfo.cpu = cpu;
-- irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
-- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
--
-- per_cpu(hardirq_ctx, cpu) = irqctx;
--
-- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
-- THREADINFO_GFP,
-- THREAD_SIZE_ORDER));
-- memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
-- irqctx->tinfo.cpu = cpu;
-- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
--
-- per_cpu(softirq_ctx, cpu) = irqctx;
-+ per_cpu(hardirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
-+ per_cpu(softirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
-+
-+ printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
-+ cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu));
-
- printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
- cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu));
-@@ -152,7 +141,6 @@ void __cpuinit irq_ctx_init(int cpu)
- asmlinkage void do_softirq(void)
- {
- unsigned long flags;
-- struct thread_info *curctx;
- union irq_ctx *irqctx;
- u32 *isp;
-
-@@ -162,15 +150,22 @@ asmlinkage void do_softirq(void)
- local_irq_save(flags);
-
- if (local_softirq_pending()) {
-- curctx = current_thread_info();
- irqctx = __this_cpu_read(softirq_ctx);
-- irqctx->tinfo.task = curctx->task;
-- irqctx->tinfo.previous_esp = current_stack_pointer;
-+ irqctx->previous_esp = current_stack_pointer;
-
- /* build the stack frame on the softirq stack */
-- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx));
-+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(MAKE_MM_SEG(0));
-+#endif
-
- call_on_stack(__do_softirq, isp);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(current_thread_info()->addr_limit);
-+#endif
-+
- /*
- * Shouldn't happen, we returned above if in_interrupt():
- */
-@@ -191,7 +186,7 @@ bool handle_irq(unsigned irq, struct pt_regs *regs)
- if (unlikely(!desc))
- return false;
-
-- if (user_mode_vm(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
-+ if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
- if (unlikely(overflow))
- print_stack_overflow();
- desc->handle_irq(irq, desc);
-diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
-index d04d3ec..ea4b374 100644
---- a/arch/x86/kernel/irq_64.c
-+++ b/arch/x86/kernel/irq_64.c
-@@ -44,7 +44,7 @@ static inline void stack_overflow_check(struct pt_regs *regs)
- u64 estack_top, estack_bottom;
- u64 curbase = (u64)task_stack_page(current);
-
-- if (user_mode_vm(regs))
-+ if (user_mode(regs))
- return;
-
- if (regs->sp >= curbase + sizeof(struct thread_info) +
-diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c
-index 1d5d31e..72731d4 100644
---- a/arch/x86/kernel/kdebugfs.c
-+++ b/arch/x86/kernel/kdebugfs.c
-@@ -27,7 +27,7 @@ struct setup_data_node {
- u32 len;
- };
-
--static ssize_t setup_data_read(struct file *file, char __user *user_buf,
-+static ssize_t __size_overflow(3) setup_data_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct setup_data_node *node = file->private_data;
-diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
-index 3f61904..873cea9 100644
---- a/arch/x86/kernel/kgdb.c
-+++ b/arch/x86/kernel/kgdb.c
-@@ -127,11 +127,11 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
- #ifdef CONFIG_X86_32
- switch (regno) {
- case GDB_SS:
-- if (!user_mode_vm(regs))
-+ if (!user_mode(regs))
- *(unsigned long *)mem = __KERNEL_DS;
- break;
- case GDB_SP:
-- if (!user_mode_vm(regs))
-+ if (!user_mode(regs))
- *(unsigned long *)mem = kernel_stack_pointer(regs);
- break;
- case GDB_GS:
-@@ -476,12 +476,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
- case 'k':
- /* clear the trace bit */
- linux_regs->flags &= ~X86_EFLAGS_TF;
-- atomic_set(&kgdb_cpu_doing_single_step, -1);
-+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1);
-
- /* set the trace bit if we're stepping */
- if (remcomInBuffer[0] == 's') {
- linux_regs->flags |= X86_EFLAGS_TF;
-- atomic_set(&kgdb_cpu_doing_single_step,
-+ atomic_set_unchecked(&kgdb_cpu_doing_single_step,
- raw_smp_processor_id());
- }
-
-@@ -546,7 +546,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
-
- switch (cmd) {
- case DIE_DEBUG:
-- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
-+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
- if (user_mode(regs))
- return single_step_cont(regs, args);
- break;
-diff --git a/arch/x86/kernel/kprobes-opt.c b/arch/x86/kernel/kprobes-opt.c
-index c5e410e..da6aaf9 100644
---- a/arch/x86/kernel/kprobes-opt.c
-+++ b/arch/x86/kernel/kprobes-opt.c
-@@ -338,7 +338,7 @@ int __kprobes arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
- * Verify if the address gap is in 2GB range, because this uses
- * a relative jump.
- */
-- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
-+ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE;
- if (abs(rel) > 0x7fffffff)
- return -ERANGE;
-
-@@ -359,11 +359,11 @@ int __kprobes arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
- synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op);
-
- /* Set probe function call */
-- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback);
-+ synthesize_relcall(buf + TMPL_CALL_IDX, ktla_ktva(optimized_callback));
-
- /* Set returning jmp instruction at the tail of out-of-line buffer */
- synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
-- (u8 *)op->kp.addr + op->optinsn.size);
-+ (u8 *)ktla_ktva(op->kp.addr) + op->optinsn.size);
-
- flush_icache_range((unsigned long) buf,
- (unsigned long) buf + TMPL_END_IDX +
-@@ -385,7 +385,7 @@ static void __kprobes setup_optimize_kprobe(struct text_poke_param *tprm,
- ((long)op->kp.addr + RELATIVEJUMP_SIZE));
-
- /* Backup instructions which will be replaced by jump address */
-- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE,
-+ memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE,
- RELATIVE_ADDR_SIZE);
-
- insn_buf[0] = RELATIVEJUMP_OPCODE;
-diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
-index e2f751e..dffa2a0 100644
---- a/arch/x86/kernel/kprobes.c
-+++ b/arch/x86/kernel/kprobes.c
-@@ -120,8 +120,11 @@ static void __kprobes __synthesize_relative_insn(void *from, void *to, u8 op)
- } __attribute__((packed)) *insn;
-
- insn = (struct __arch_relative_insn *)from;
-+
-+ pax_open_kernel();
- insn->raddr = (s32)((long)(to) - ((long)(from) + 5));
- insn->op = op;
-+ pax_close_kernel();
- }
-
- /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
-@@ -164,7 +167,7 @@ int __kprobes can_boost(kprobe_opcode_t *opcodes)
- kprobe_opcode_t opcode;
- kprobe_opcode_t *orig_opcodes = opcodes;
-
-- if (search_exception_tables((unsigned long)opcodes))
-+ if (search_exception_tables(ktva_ktla((unsigned long)opcodes)))
- return 0; /* Page fault may occur on this address. */
-
- retry:
-@@ -332,7 +335,9 @@ int __kprobes __copy_instruction(u8 *dest, u8 *src)
- /* Another subsystem puts a breakpoint, failed to recover */
- if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION)
- return 0;
-+ pax_open_kernel();
- memcpy(dest, insn.kaddr, insn.length);
-+ pax_close_kernel();
-
- #ifdef CONFIG_X86_64
- if (insn_rip_relative(&insn)) {
-@@ -355,7 +360,9 @@ int __kprobes __copy_instruction(u8 *dest, u8 *src)
- newdisp = (u8 *) src + (s64) insn.displacement.value - (u8 *) dest;
- BUG_ON((s64) (s32) newdisp != newdisp); /* Sanity check. */
- disp = (u8 *) dest + insn_offset_displacement(&insn);
-+ pax_open_kernel();
- *(s32 *) disp = (s32) newdisp;
-+ pax_close_kernel();
- }
- #endif
- return insn.length;
-@@ -485,7 +492,7 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k
- * nor set current_kprobe, because it doesn't use single
- * stepping.
- */
-- regs->ip = (unsigned long)p->ainsn.insn;
-+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
- preempt_enable_no_resched();
- return;
- }
-@@ -504,7 +511,7 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k
- if (p->opcode == BREAKPOINT_INSTRUCTION)
- regs->ip = (unsigned long)p->addr;
- else
-- regs->ip = (unsigned long)p->ainsn.insn;
-+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
- }
-
- /*
-@@ -583,7 +590,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
- setup_singlestep(p, regs, kcb, 0);
- return 1;
- }
-- } else if (*addr != BREAKPOINT_INSTRUCTION) {
-+ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) {
- /*
- * The breakpoint instruction was removed right
- * after we hit it. Another cpu has removed
-@@ -628,6 +635,9 @@ static void __used __kprobes kretprobe_trampoline_holder(void)
- " movq %rax, 152(%rsp)\n"
- RESTORE_REGS_STRING
- " popfq\n"
-+#ifdef KERNEXEC_PLUGIN
-+ " btsq $63,(%rsp)\n"
-+#endif
- #else
- " pushf\n"
- SAVE_REGS_STRING
-@@ -765,7 +775,7 @@ static void __kprobes
- resume_execution(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb)
- {
- unsigned long *tos = stack_addr(regs);
-- unsigned long copy_ip = (unsigned long)p->ainsn.insn;
-+ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn);
- unsigned long orig_ip = (unsigned long)p->addr;
- kprobe_opcode_t *insn = p->ainsn.insn;
-
-@@ -947,7 +957,7 @@ kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *d
- struct die_args *args = data;
- int ret = NOTIFY_DONE;
-
-- if (args->regs && user_mode_vm(args->regs))
-+ if (args->regs && user_mode(args->regs))
- return ret;
-
- switch (val) {
-diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
-index ebc9873..1b9724b 100644
---- a/arch/x86/kernel/ldt.c
-+++ b/arch/x86/kernel/ldt.c
-@@ -66,13 +66,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
- if (reload) {
- #ifdef CONFIG_SMP
- preempt_disable();
-- load_LDT(pc);
-+ load_LDT_nolock(pc);
- if (!cpumask_equal(mm_cpumask(current->mm),
- cpumask_of(smp_processor_id())))
- smp_call_function(flush_ldt, current->mm, 1);
- preempt_enable();
- #else
-- load_LDT(pc);
-+ load_LDT_nolock(pc);
- #endif
- }
- if (oldsize) {
-@@ -94,7 +94,7 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old)
- return err;
-
- for (i = 0; i < old->size; i++)
-- write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE);
-+ write_ldt_entry(new->ldt, i, old->ldt + i);
- return 0;
- }
-
-@@ -115,6 +115,24 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
- retval = copy_ldt(&mm->context, &old_mm->context);
- mutex_unlock(&old_mm->context.lock);
- }
-+
-+ if (tsk == current) {
-+ mm->context.vdso = 0;
-+
-+#ifdef CONFIG_X86_32
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ mm->context.user_cs_base = 0UL;
-+ mm->context.user_cs_limit = ~0UL;
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
-+ cpus_clear(mm->context.cpu_user_cs_mask);
-+#endif
-+
-+#endif
-+#endif
-+
-+ }
-+
- return retval;
- }
-
-@@ -229,6 +247,13 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
- }
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) {
-+ error = -EINVAL;
-+ goto out_unlock;
-+ }
-+#endif
-+
- fill_ldt(&ldt, &ldt_info);
- if (oldmode)
- ldt.avl = 0;
-diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
-index 5b19e4d..6476a76 100644
---- a/arch/x86/kernel/machine_kexec_32.c
-+++ b/arch/x86/kernel/machine_kexec_32.c
-@@ -26,7 +26,7 @@
- #include <asm/cacheflush.h>
- #include <asm/debugreg.h>
-
--static void set_idt(void *newidt, __u16 limit)
-+static void set_idt(struct desc_struct *newidt, __u16 limit)
- {
- struct desc_ptr curidt;
-
-@@ -38,7 +38,7 @@ static void set_idt(void *newidt, __u16 limit)
- }
-
-
--static void set_gdt(void *newgdt, __u16 limit)
-+static void set_gdt(struct desc_struct *newgdt, __u16 limit)
- {
- struct desc_ptr curgdt;
-
-@@ -216,7 +216,7 @@ void machine_kexec(struct kimage *image)
- }
-
- control_page = page_address(image->control_code_page);
-- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE);
-+ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE);
-
- relocate_kernel_ptr = control_page;
- page_list[PA_CONTROL_PAGE] = __pa(control_page);
-diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
-index 0327e2b..e43737b 100644
---- a/arch/x86/kernel/microcode_intel.c
-+++ b/arch/x86/kernel/microcode_intel.c
-@@ -430,13 +430,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
-
- static int get_ucode_user(void *to, const void *from, size_t n)
- {
-- return copy_from_user(to, from, n);
-+ return copy_from_user(to, (const void __force_user *)from, n);
- }
-
- static enum ucode_state
- request_microcode_user(int cpu, const void __user *buf, size_t size)
- {
-- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user);
-+ return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user);
- }
-
- static void microcode_fini_cpu(int cpu)
-diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
-index f21fd94..61565cd 100644
---- a/arch/x86/kernel/module.c
-+++ b/arch/x86/kernel/module.c
-@@ -35,15 +35,60 @@
- #define DEBUGP(fmt...)
- #endif
-
--void *module_alloc(unsigned long size)
-+static inline void *__module_alloc(unsigned long size, pgprot_t prot)
- {
-- if (PAGE_ALIGN(size) > MODULES_LEN)
-+ if (size == 0 || PAGE_ALIGN(size) > MODULES_LEN)
- return NULL;
- return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
-- GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
-+ GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, prot,
- -1, __builtin_return_address(0));
- }
-
-+void *module_alloc(unsigned long size)
-+{
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ return __module_alloc(size, PAGE_KERNEL);
-+#else
-+ return __module_alloc(size, PAGE_KERNEL_EXEC);
-+#endif
-+
-+}
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifdef CONFIG_X86_32
-+void *module_alloc_exec(unsigned long size)
-+{
-+ struct vm_struct *area;
-+
-+ if (size == 0)
-+ return NULL;
-+
-+ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END);
-+ return area ? area->addr : NULL;
-+}
-+EXPORT_SYMBOL(module_alloc_exec);
-+
-+void module_free_exec(struct module *mod, void *module_region)
-+{
-+ vunmap(module_region);
-+}
-+EXPORT_SYMBOL(module_free_exec);
-+#else
-+void module_free_exec(struct module *mod, void *module_region)
-+{
-+ module_free(mod, module_region);
-+}
-+EXPORT_SYMBOL(module_free_exec);
-+
-+void *module_alloc_exec(unsigned long size)
-+{
-+ return __module_alloc(size, PAGE_KERNEL_RX);
-+}
-+EXPORT_SYMBOL(module_alloc_exec);
-+#endif
-+#endif
-+
- #ifdef CONFIG_X86_32
- int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
-@@ -54,14 +99,16 @@ int apply_relocate(Elf32_Shdr *sechdrs,
- unsigned int i;
- Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
- Elf32_Sym *sym;
-- uint32_t *location;
-+ uint32_t *plocation, location;
-
- DEBUGP("Applying relocate section %u to %u\n", relsec,
- sechdrs[relsec].sh_info);
- for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
- /* This is where to make the change */
-- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
-- + rel[i].r_offset;
-+ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset;
-+ location = (uint32_t)plocation;
-+ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR)
-+ plocation = ktla_ktva((void *)plocation);
- /* This is the symbol it is referring to. Note that all
- undefined symbols have been resolved. */
- sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
-@@ -70,11 +117,15 @@ int apply_relocate(Elf32_Shdr *sechdrs,
- switch (ELF32_R_TYPE(rel[i].r_info)) {
- case R_386_32:
- /* We add the value into the location given */
-- *location += sym->st_value;
-+ pax_open_kernel();
-+ *plocation += sym->st_value;
-+ pax_close_kernel();
- break;
- case R_386_PC32:
- /* Add the value, subtract its postition */
-- *location += sym->st_value - (uint32_t)location;
-+ pax_open_kernel();
-+ *plocation += sym->st_value - location;
-+ pax_close_kernel();
- break;
- default:
- printk(KERN_ERR "module %s: Unknown relocation: %u\n",
-@@ -119,21 +170,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
- case R_X86_64_NONE:
- break;
- case R_X86_64_64:
-+ pax_open_kernel();
- *(u64 *)loc = val;
-+ pax_close_kernel();
- break;
- case R_X86_64_32:
-+ pax_open_kernel();
- *(u32 *)loc = val;
-+ pax_close_kernel();
- if (val != *(u32 *)loc)
- goto overflow;
- break;
- case R_X86_64_32S:
-+ pax_open_kernel();
- *(s32 *)loc = val;
-+ pax_close_kernel();
- if ((s64)val != *(s32 *)loc)
- goto overflow;
- break;
- case R_X86_64_PC32:
- val -= (u64)loc;
-+ pax_open_kernel();
- *(u32 *)loc = val;
-+ pax_close_kernel();
-+
- #if 0
- if ((s64)val != *(s32 *)loc)
- goto overflow;
-diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
-index a0b2f84..875ab81 100644
---- a/arch/x86/kernel/nmi.c
-+++ b/arch/x86/kernel/nmi.c
-@@ -460,6 +460,17 @@ static inline void nmi_nesting_postprocess(void)
- dotraplinkage notrace __kprobes void
- do_nmi(struct pt_regs *regs, long error_code)
- {
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (!user_mode(regs)) {
-+ unsigned long cs = regs->cs & 0xFFFF;
-+ unsigned long ip = ktva_ktla(regs->ip);
-+
-+ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext)
-+ regs->ip = ip;
-+ }
-+#endif
-+
- nmi_nesting_preprocess(regs);
-
- nmi_enter();
-diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
-index 676b8c7..870ba04 100644
---- a/arch/x86/kernel/paravirt-spinlocks.c
-+++ b/arch/x86/kernel/paravirt-spinlocks.c
-@@ -13,7 +13,7 @@ default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
- arch_spin_lock(lock);
- }
-
--struct pv_lock_ops pv_lock_ops = {
-+struct pv_lock_ops pv_lock_ops __read_only = {
- #ifdef CONFIG_SMP
- .spin_is_locked = __ticket_spin_is_locked,
- .spin_is_contended = __ticket_spin_is_contended,
-diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
-index 9ce8859..b49bf51 100644
---- a/arch/x86/kernel/paravirt.c
-+++ b/arch/x86/kernel/paravirt.c
-@@ -55,6 +55,9 @@ u64 _paravirt_ident_64(u64 x)
- {
- return x;
- }
-+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
-+PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64);
-+#endif
-
- void __init default_banner(void)
- {
-@@ -147,15 +150,19 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
- if (opfunc == NULL)
- /* If there's no function, patch it with a ud2a (BUG) */
- ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
-- else if (opfunc == _paravirt_nop)
-+ else if (opfunc == (void *)_paravirt_nop)
- /* If the operation is a nop, then nop the callsite */
- ret = paravirt_patch_nop();
-
- /* identity functions just return their single argument */
-- else if (opfunc == _paravirt_ident_32)
-+ else if (opfunc == (void *)_paravirt_ident_32)
- ret = paravirt_patch_ident_32(insnbuf, len);
-- else if (opfunc == _paravirt_ident_64)
-+ else if (opfunc == (void *)_paravirt_ident_64)
- ret = paravirt_patch_ident_64(insnbuf, len);
-+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
-+ else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64)
-+ ret = paravirt_patch_ident_64(insnbuf, len);
-+#endif
-
- else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
- type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) ||
-@@ -180,7 +187,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
- if (insn_len > len || start == NULL)
- insn_len = len;
- else
-- memcpy(insnbuf, start, insn_len);
-+ memcpy(insnbuf, ktla_ktva(start), insn_len);
-
- return insn_len;
- }
-@@ -304,7 +311,7 @@ void arch_flush_lazy_mmu_mode(void)
- preempt_enable();
- }
-
--struct pv_info pv_info = {
-+struct pv_info pv_info __read_only = {
- .name = "bare hardware",
- .paravirt_enabled = 0,
- .kernel_rpl = 0,
-@@ -315,16 +322,16 @@ struct pv_info pv_info = {
- #endif
- };
-
--struct pv_init_ops pv_init_ops = {
-+struct pv_init_ops pv_init_ops __read_only = {
- .patch = native_patch,
- };
-
--struct pv_time_ops pv_time_ops = {
-+struct pv_time_ops pv_time_ops __read_only = {
- .sched_clock = native_sched_clock,
- .steal_clock = native_steal_clock,
- };
-
--struct pv_irq_ops pv_irq_ops = {
-+struct pv_irq_ops pv_irq_ops __read_only = {
- .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
- .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
- .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
-@@ -336,7 +343,7 @@ struct pv_irq_ops pv_irq_ops = {
- #endif
- };
-
--struct pv_cpu_ops pv_cpu_ops = {
-+struct pv_cpu_ops pv_cpu_ops __read_only = {
- .cpuid = native_cpuid,
- .get_debugreg = native_get_debugreg,
- .set_debugreg = native_set_debugreg,
-@@ -397,21 +404,26 @@ struct pv_cpu_ops pv_cpu_ops = {
- .end_context_switch = paravirt_nop,
- };
-
--struct pv_apic_ops pv_apic_ops = {
-+struct pv_apic_ops pv_apic_ops __read_only = {
- #ifdef CONFIG_X86_LOCAL_APIC
- .startup_ipi_hook = paravirt_nop,
- #endif
- };
-
--#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
-+#ifdef CONFIG_X86_32
-+#ifdef CONFIG_X86_PAE
-+/* 64-bit pagetable entries */
-+#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64)
-+#else
- /* 32-bit pagetable entries */
- #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32)
-+#endif
- #else
- /* 64-bit pagetable entries */
- #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64)
- #endif
-
--struct pv_mmu_ops pv_mmu_ops = {
-+struct pv_mmu_ops pv_mmu_ops __read_only = {
-
- .read_cr2 = native_read_cr2,
- .write_cr2 = native_write_cr2,
-@@ -461,6 +473,7 @@ struct pv_mmu_ops pv_mmu_ops = {
- .make_pud = PTE_IDENT,
-
- .set_pgd = native_set_pgd,
-+ .set_pgd_batched = native_set_pgd_batched,
- #endif
- #endif /* PAGETABLE_LEVELS >= 3 */
-
-@@ -480,6 +493,12 @@ struct pv_mmu_ops pv_mmu_ops = {
- },
-
- .set_fixmap = native_set_fixmap,
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ .pax_open_kernel = native_pax_open_kernel,
-+ .pax_close_kernel = native_pax_close_kernel,
-+#endif
-+
- };
-
- EXPORT_SYMBOL_GPL(pv_time_ops);
-diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c
-index 35ccf75..7a15747 100644
---- a/arch/x86/kernel/pci-iommu_table.c
-+++ b/arch/x86/kernel/pci-iommu_table.c
-@@ -2,7 +2,7 @@
- #include <asm/iommu_table.h>
- #include <linux/string.h>
- #include <linux/kallsyms.h>
--
-+#include <linux/sched.h>
-
- #define DEBUG 1
-
-diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
-index 735279e..5008677 100644
---- a/arch/x86/kernel/process.c
-+++ b/arch/x86/kernel/process.c
-@@ -34,7 +34,8 @@
- * section. Since TSS's are completely CPU-local, we want them
- * on exact cacheline boundaries, to eliminate cacheline ping-pong.
- */
--DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
-+struct tss_struct init_tss[NR_CPUS] ____cacheline_internodealigned_in_smp = { [0 ... NR_CPUS-1] = INIT_TSS };
-+EXPORT_SYMBOL(init_tss);
-
- #ifdef CONFIG_X86_64
- static DEFINE_PER_CPU(unsigned char, is_idle);
-@@ -92,7 +93,7 @@ void arch_task_cache_init(void)
- task_xstate_cachep =
- kmem_cache_create("task_xstate", xstate_size,
- __alignof__(union thread_xstate),
-- SLAB_PANIC | SLAB_NOTRACK, NULL);
-+ SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL);
- }
-
- static inline void drop_fpu(struct task_struct *tsk)
-@@ -115,7 +116,7 @@ void exit_thread(void)
- unsigned long *bp = t->io_bitmap_ptr;
-
- if (bp) {
-- struct tss_struct *tss = &per_cpu(init_tss, get_cpu());
-+ struct tss_struct *tss = init_tss + get_cpu();
-
- t->io_bitmap_ptr = NULL;
- clear_thread_flag(TIF_IO_BITMAP);
-@@ -147,7 +148,7 @@ void show_regs_common(void)
-
- printk(KERN_CONT "\n");
- printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s",
-- current->pid, current->comm, print_tainted(),
-+ task_pid_nr(current), current->comm, print_tainted(),
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
-@@ -161,6 +162,9 @@ void flush_thread(void)
- {
- struct task_struct *tsk = current;
-
-+#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF)
-+ loadsegment(gs, 0);
-+#endif
- flush_ptrace_hw_breakpoint(tsk);
- memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
- drop_fpu(tsk);
-@@ -318,10 +322,10 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
- regs.di = (unsigned long) arg;
-
- #ifdef CONFIG_X86_32
-- regs.ds = __USER_DS;
-- regs.es = __USER_DS;
-+ regs.ds = __KERNEL_DS;
-+ regs.es = __KERNEL_DS;
- regs.fs = __KERNEL_PERCPU;
-- regs.gs = __KERNEL_STACK_CANARY;
-+ savesegment(gs, regs.gs);
- #else
- regs.ss = __KERNEL_DS;
- #endif
-@@ -407,7 +411,7 @@ static void __exit_idle(void)
- void exit_idle(void)
- {
- /* idle loop has pid 0 */
-- if (current->pid)
-+ if (task_pid_nr(current))
- return;
- __exit_idle();
- }
-@@ -516,7 +520,7 @@ bool set_pm_idle_to_default(void)
-
- return ret;
- }
--void stop_this_cpu(void *dummy)
-+__noreturn void stop_this_cpu(void *dummy)
- {
- local_irq_disable();
- /*
-@@ -746,16 +750,37 @@ static int __init idle_setup(char *str)
- }
- early_param("idle", idle_setup);
-
--unsigned long arch_align_stack(unsigned long sp)
-+#ifdef CONFIG_PAX_RANDKSTACK
-+void pax_randomize_kstack(struct pt_regs *regs)
- {
-- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
-- sp -= get_random_int() % 8192;
-- return sp & ~0xf;
--}
-+ struct thread_struct *thread = ¤t->thread;
-+ unsigned long time;
-
--unsigned long arch_randomize_brk(struct mm_struct *mm)
--{
-- unsigned long range_end = mm->brk + 0x02000000;
-- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
--}
-+ if (!randomize_va_space)
-+ return;
-+
-+ if (v8086_mode(regs))
-+ return;
-
-+ rdtscl(time);
-+
-+ /* P4 seems to return a 0 LSB, ignore it */
-+#ifdef CONFIG_MPENTIUM4
-+ time &= 0x3EUL;
-+ time <<= 2;
-+#elif defined(CONFIG_X86_64)
-+ time &= 0xFUL;
-+ time <<= 4;
-+#else
-+ time &= 0x1FUL;
-+ time <<= 3;
-+#endif
-+
-+ thread->sp0 ^= time;
-+ load_sp0(init_tss + smp_processor_id(), thread);
-+
-+#ifdef CONFIG_X86_64
-+ this_cpu_write(kernel_stack, thread->sp0);
-+#endif
-+}
-+#endif
-diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
-index 516fa18..80bd9e6 100644
---- a/arch/x86/kernel/process_32.c
-+++ b/arch/x86/kernel/process_32.c
-@@ -64,6 +64,7 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
- unsigned long thread_saved_pc(struct task_struct *tsk)
- {
- return ((unsigned long *)tsk->thread.sp)[3];
-+//XXX return tsk->thread.eip;
- }
-
- void __show_regs(struct pt_regs *regs, int all)
-@@ -73,15 +74,14 @@ void __show_regs(struct pt_regs *regs, int all)
- unsigned long sp;
- unsigned short ss, gs;
-
-- if (user_mode_vm(regs)) {
-+ if (user_mode(regs)) {
- sp = regs->sp;
- ss = regs->ss & 0xffff;
-- gs = get_user_gs(regs);
- } else {
- sp = kernel_stack_pointer(regs);
- savesegment(ss, ss);
-- savesegment(gs, gs);
- }
-+ gs = get_user_gs(regs);
-
- show_regs_common();
-
-@@ -134,13 +134,14 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
- struct task_struct *tsk;
- int err;
-
-- childregs = task_pt_regs(p);
-+ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8;
- *childregs = *regs;
- childregs->ax = 0;
- childregs->sp = sp;
-
- p->thread.sp = (unsigned long) childregs;
- p->thread.sp0 = (unsigned long) (childregs+1);
-+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p);
-
- p->thread.ip = (unsigned long) ret_from_fork;
-
-@@ -231,7 +232,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
- struct thread_struct *prev = &prev_p->thread,
- *next = &next_p->thread;
- int cpu = smp_processor_id();
-- struct tss_struct *tss = &per_cpu(init_tss, cpu);
-+ struct tss_struct *tss = init_tss + cpu;
- fpu_switch_t fpu;
-
- /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
-@@ -255,6 +256,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
- */
- lazy_save_gs(prev->gs);
-
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(task_thread_info(next_p)->addr_limit);
-+#endif
-+
- /*
- * Load the per-thread Thread-Local Storage descriptor.
- */
-@@ -285,6 +290,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
- */
- arch_end_context_switch(next_p);
-
-+ this_cpu_write(current_task, next_p);
-+ this_cpu_write(current_tinfo, &next_p->tinfo);
-+
- /*
- * Restore %gs if needed (which is common)
- */
-@@ -293,8 +301,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
-
- switch_fpu_finish(next_p, fpu);
-
-- this_cpu_write(current_task, next_p);
--
- return prev_p;
- }
-
-@@ -324,4 +330,3 @@ unsigned long get_wchan(struct task_struct *p)
- } while (count++ < 16);
- return 0;
- }
--
-diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
-index 61cdf7f..797f06a 100644
---- a/arch/x86/kernel/process_64.c
-+++ b/arch/x86/kernel/process_64.c
-@@ -153,8 +153,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
- struct pt_regs *childregs;
- struct task_struct *me = current;
-
-- childregs = ((struct pt_regs *)
-- (THREAD_SIZE + task_stack_page(p))) - 1;
-+ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 16;
- *childregs = *regs;
-
- childregs->ax = 0;
-@@ -166,6 +165,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
- p->thread.sp = (unsigned long) childregs;
- p->thread.sp0 = (unsigned long) (childregs+1);
- p->thread.usersp = me->thread.usersp;
-+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p);
-
- set_tsk_thread_flag(p, TIF_FORK);
-
-@@ -271,7 +271,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
- struct thread_struct *prev = &prev_p->thread;
- struct thread_struct *next = &next_p->thread;
- int cpu = smp_processor_id();
-- struct tss_struct *tss = &per_cpu(init_tss, cpu);
-+ struct tss_struct *tss = init_tss + cpu;
- unsigned fsindex, gsindex;
- fpu_switch_t fpu;
-
-@@ -353,10 +353,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
- prev->usersp = this_cpu_read(old_rsp);
- this_cpu_write(old_rsp, next->usersp);
- this_cpu_write(current_task, next_p);
-+ this_cpu_write(current_tinfo, &next_p->tinfo);
-
-- this_cpu_write(kernel_stack,
-- (unsigned long)task_stack_page(next_p) +
-- THREAD_SIZE - KERNEL_STACK_OFFSET);
-+ this_cpu_write(kernel_stack, next->sp0);
-
- /*
- * Now maybe reload the debug registers and handle I/O bitmaps
-@@ -425,12 +424,11 @@ unsigned long get_wchan(struct task_struct *p)
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
- stack = (unsigned long)task_stack_page(p);
-- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
-+ if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64))
- return 0;
- fp = *(u64 *)(p->thread.sp);
- do {
-- if (fp < (unsigned long)stack ||
-- fp >= (unsigned long)stack+THREAD_SIZE)
-+ if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64))
- return 0;
- ip = *(u64 *)(fp+8);
- if (!in_sched_functions(ip))
-diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
-index c4c6a5c..905f440 100644
---- a/arch/x86/kernel/ptrace.c
-+++ b/arch/x86/kernel/ptrace.c
-@@ -824,7 +824,7 @@ long arch_ptrace(struct task_struct *child, long request,
- unsigned long addr, unsigned long data)
- {
- int ret;
-- unsigned long __user *datap = (unsigned long __user *)data;
-+ unsigned long __user *datap = (__force unsigned long __user *)data;
-
- switch (request) {
- /* read the word at location addr in the USER area. */
-@@ -909,14 +909,14 @@ long arch_ptrace(struct task_struct *child, long request,
- if ((int) addr < 0)
- return -EIO;
- ret = do_get_thread_area(child, addr,
-- (struct user_desc __user *)data);
-+ (__force struct user_desc __user *) data);
- break;
-
- case PTRACE_SET_THREAD_AREA:
- if ((int) addr < 0)
- return -EIO;
- ret = do_set_thread_area(child, addr,
-- (struct user_desc __user *)data, 0);
-+ (__force struct user_desc __user *) data, 0);
- break;
- #endif
-
-@@ -1426,7 +1426,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
- memset(info, 0, sizeof(*info));
- info->si_signo = SIGTRAP;
- info->si_code = si_code;
-- info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL;
-+ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL;
- }
-
- void user_single_step_siginfo(struct task_struct *tsk,
-@@ -1455,6 +1455,10 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
- # define IS_IA32 0
- #endif
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern void gr_delayed_cred_worker(void);
-+#endif
-+
- /*
- * We must return the syscall number to actually look up in the table.
- * This can be -1L to skip running any syscall at all.
-@@ -1463,6 +1467,11 @@ long syscall_trace_enter(struct pt_regs *regs)
- {
- long ret = 0;
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- /*
- * If we stepped into a sysenter/syscall insn, it trapped in
- * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
-@@ -1511,6 +1520,11 @@ void syscall_trace_leave(struct pt_regs *regs)
- {
- bool step;
-
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
-+ gr_delayed_cred_worker();
-+#endif
-+
- audit_syscall_exit(regs);
-
- if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
-diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
-index 42eb330..139955c 100644
---- a/arch/x86/kernel/pvclock.c
-+++ b/arch/x86/kernel/pvclock.c
-@@ -81,11 +81,11 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src)
- return pv_tsc_khz;
- }
-
--static atomic64_t last_value = ATOMIC64_INIT(0);
-+static atomic64_unchecked_t last_value = ATOMIC64_INIT(0);
-
- void pvclock_resume(void)
- {
-- atomic64_set(&last_value, 0);
-+ atomic64_set_unchecked(&last_value, 0);
- }
-
- cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
-@@ -121,11 +121,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
- * updating at the same time, and one of them could be slightly behind,
- * making the assumption that last_value always go forward fail to hold.
- */
-- last = atomic64_read(&last_value);
-+ last = atomic64_read_unchecked(&last_value);
- do {
- if (ret < last)
- return last;
-- last = atomic64_cmpxchg(&last_value, last, ret);
-+ last = atomic64_cmpxchg_unchecked(&last_value, last, ret);
- } while (unlikely(last != ret));
-
- return ret;
-diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
-index 5de92f1..2732385 100644
---- a/arch/x86/kernel/reboot.c
-+++ b/arch/x86/kernel/reboot.c
-@@ -36,7 +36,7 @@ void (*pm_power_off)(void);
- EXPORT_SYMBOL(pm_power_off);
-
- static const struct desc_ptr no_idt = {};
--static int reboot_mode;
-+static unsigned short reboot_mode;
- enum reboot_type reboot_type = BOOT_ACPI;
- int reboot_force;
-
-@@ -157,11 +157,15 @@ static int __init set_bios_reboot(const struct dmi_system_id *d)
- return 0;
- }
-
--void machine_real_restart(unsigned int type)
-+__noreturn void machine_real_restart(unsigned int type)
- {
-- void (*restart_lowmem)(unsigned int) = (void (*)(unsigned int))
-+ void (* restart_lowmem)(unsigned int) = (void (*)(unsigned int))
- real_mode_header->machine_real_restart_asm;
-
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
-+ struct desc_struct *gdt;
-+#endif
-+
- local_irq_disable();
-
- /*
-@@ -189,10 +193,36 @@ void machine_real_restart(unsigned int type)
- * boot)". This seems like a fairly standard thing that gets set by
- * REBOOT.COM programs, and the previous reset routine did this
- * too. */
-- *((unsigned short *)0x472) = reboot_mode;
-+ *(unsigned short *)(__va(0x472)) = reboot_mode;
-
- /* Jump to the identity-mapped low memory code */
-+
-+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
-+ gdt = get_cpu_gdt_table(smp_processor_id());
-+ pax_open_kernel();
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ gdt[GDT_ENTRY_KERNEL_DS].type = 3;
-+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
-+ asm("mov %0, %%ds; mov %0, %%es; mov %0, %%ss" : : "r" (__KERNEL_DS) : "memory");
-+#endif
-+#ifdef CONFIG_PAX_KERNEXEC
-+ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0;
-+ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0;
-+ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0;
-+ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff;
-+ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf;
-+ gdt[GDT_ENTRY_KERNEL_CS].g = 1;
-+#endif
-+ pax_close_kernel();
-+#endif
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ asm volatile("push %0; push %1; lret\n" : : "i" (__KERNEL_CS), "rm" (restart_lowmem), "a" (type));
-+ unreachable();
-+#else
- restart_lowmem(type);
-+#endif
-+
- }
- #ifdef CONFIG_APM_MODULE
- EXPORT_SYMBOL(machine_real_restart);
-@@ -543,7 +573,7 @@ void __attribute__((weak)) mach_reboot_fixups(void)
- * try to force a triple fault and then cycle between hitting the keyboard
- * controller and doing that
- */
--static void native_machine_emergency_restart(void)
-+__noreturn static void native_machine_emergency_restart(void)
- {
- int i;
- int attempt = 0;
-@@ -670,13 +700,13 @@ void native_machine_shutdown(void)
- #endif
- }
-
--static void __machine_emergency_restart(int emergency)
-+static __noreturn void __machine_emergency_restart(int emergency)
- {
- reboot_emergency = emergency;
- machine_ops.emergency_restart();
- }
-
--static void native_machine_restart(char *__unused)
-+static __noreturn void native_machine_restart(char *__unused)
- {
- printk("machine restart\n");
-
-@@ -685,7 +715,7 @@ static void native_machine_restart(char *__unused)
- __machine_emergency_restart(0);
- }
-
--static void native_machine_halt(void)
-+static __noreturn void native_machine_halt(void)
- {
- /* Stop other cpus and apics */
- machine_shutdown();
-@@ -695,7 +725,7 @@ static void native_machine_halt(void)
- stop_this_cpu(NULL);
- }
-
--static void native_machine_power_off(void)
-+__noreturn static void native_machine_power_off(void)
- {
- if (pm_power_off) {
- if (!reboot_force)
-@@ -704,6 +734,7 @@ static void native_machine_power_off(void)
- }
- /* A fallback in case there is no PM info available */
- tboot_shutdown(TB_SHUTDOWN_HALT);
-+ unreachable();
- }
-
- struct machine_ops machine_ops = {
-diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
-index 7a6f3b3..bed145d7 100644
---- a/arch/x86/kernel/relocate_kernel_64.S
-+++ b/arch/x86/kernel/relocate_kernel_64.S
-@@ -11,6 +11,7 @@
- #include <asm/kexec.h>
- #include <asm/processor-flags.h>
- #include <asm/pgtable_types.h>
-+#include <asm/alternative-asm.h>
-
- /*
- * Must be relocatable PIC code callable as a C function
-@@ -160,13 +161,14 @@ identity_mapped:
- xorq %rbp, %rbp
- xorq %r8, %r8
- xorq %r9, %r9
-- xorq %r10, %r9
-+ xorq %r10, %r10
- xorq %r11, %r11
- xorq %r12, %r12
- xorq %r13, %r13
- xorq %r14, %r14
- xorq %r15, %r15
-
-+ pax_force_retaddr 0, 1
- ret
-
- 1:
-diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
-index 16be6dc..4686132 100644
---- a/arch/x86/kernel/setup.c
-+++ b/arch/x86/kernel/setup.c
-@@ -440,7 +440,7 @@ static void __init parse_setup_data(void)
-
- switch (data->type) {
- case SETUP_E820_EXT:
-- parse_e820_ext(data);
-+ parse_e820_ext((struct setup_data __force_kernel *)data);
- break;
- case SETUP_DTB:
- add_dtb(pa_data);
-@@ -632,7 +632,7 @@ static void __init trim_bios_range(void)
- * area (640->1Mb) as ram even though it is not.
- * take them out.
- */
-- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
-+ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1);
- sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
- }
-
-@@ -755,14 +755,14 @@ void __init setup_arch(char **cmdline_p)
-
- if (!boot_params.hdr.root_flags)
- root_mountflags &= ~MS_RDONLY;
-- init_mm.start_code = (unsigned long) _text;
-- init_mm.end_code = (unsigned long) _etext;
-+ init_mm.start_code = ktla_ktva((unsigned long) _text);
-+ init_mm.end_code = ktla_ktva((unsigned long) _etext);
- init_mm.end_data = (unsigned long) _edata;
- init_mm.brk = _brk_end;
-
-- code_resource.start = virt_to_phys(_text);
-- code_resource.end = virt_to_phys(_etext)-1;
-- data_resource.start = virt_to_phys(_etext);
-+ code_resource.start = virt_to_phys(ktla_ktva(_text));
-+ code_resource.end = virt_to_phys(ktla_ktva(_etext))-1;
-+ data_resource.start = virt_to_phys(_sdata);
- data_resource.end = virt_to_phys(_edata)-1;
- bss_resource.start = virt_to_phys(&__bss_start);
- bss_resource.end = virt_to_phys(&__bss_stop)-1;
-diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
-index 5a98aa2..2f9288d 100644
---- a/arch/x86/kernel/setup_percpu.c
-+++ b/arch/x86/kernel/setup_percpu.c
-@@ -21,19 +21,17 @@
- #include <asm/cpu.h>
- #include <asm/stackprotector.h>
-
--DEFINE_PER_CPU(int, cpu_number);
-+#ifdef CONFIG_SMP
-+DEFINE_PER_CPU(unsigned int, cpu_number);
- EXPORT_PER_CPU_SYMBOL(cpu_number);
-+#endif
-
--#ifdef CONFIG_X86_64
- #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load)
--#else
--#define BOOT_PERCPU_OFFSET 0
--#endif
-
- DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET;
- EXPORT_PER_CPU_SYMBOL(this_cpu_off);
-
--unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = {
-+unsigned long __per_cpu_offset[NR_CPUS] __read_only = {
- [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET,
- };
- EXPORT_SYMBOL(__per_cpu_offset);
-@@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu)
- {
- #ifdef CONFIG_X86_32
- struct desc_struct gdt;
-+ unsigned long base = per_cpu_offset(cpu);
-
-- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF,
-- 0x2 | DESCTYPE_S, 0x8);
-- gdt.s = 1;
-+ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT,
-+ 0x83 | DESCTYPE_S, 0xC);
- write_gdt_entry(get_cpu_gdt_table(cpu),
- GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
- #endif
-@@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void)
- /* alrighty, percpu areas up and running */
- delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start;
- for_each_possible_cpu(cpu) {
-+#ifdef CONFIG_CC_STACKPROTECTOR
-+#ifdef CONFIG_X86_32
-+ unsigned long canary = per_cpu(stack_canary.canary, cpu);
-+#endif
-+#endif
- per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu];
- per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu);
- per_cpu(cpu_number, cpu) = cpu;
-@@ -259,6 +262,12 @@ void __init setup_per_cpu_areas(void)
- */
- set_cpu_numa_node(cpu, early_cpu_to_node(cpu));
- #endif
-+#ifdef CONFIG_CC_STACKPROTECTOR
-+#ifdef CONFIG_X86_32
-+ if (!cpu)
-+ per_cpu(stack_canary.canary, cpu) = canary;
-+#endif
-+#endif
- /*
- * Up to this point, the boot CPU has been using .init.data
- * area. Reload any changed state for the boot CPU.
-diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
-index 21af737..fb45e22 100644
---- a/arch/x86/kernel/signal.c
-+++ b/arch/x86/kernel/signal.c
-@@ -191,7 +191,7 @@ static unsigned long align_sigframe(unsigned long sp)
- * Align the stack pointer according to the i386 ABI,
- * i.e. so that on function entry ((sp + 4) & 15) == 0.
- */
-- sp = ((sp + 4) & -16ul) - 4;
-+ sp = ((sp - 12) & -16ul) - 4;
- #else /* !CONFIG_X86_32 */
- sp = round_down(sp, 16) - 8;
- #endif
-@@ -242,11 +242,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
- * Return an always-bogus address instead so we will die with SIGSEGV.
- */
- if (onsigstack && !likely(on_sig_stack(sp)))
-- return (void __user *)-1L;
-+ return (__force void __user *)-1L;
-
- /* save i387 state */
- if (used_math() && save_i387_xstate(*fpstate) < 0)
-- return (void __user *)-1L;
-+ return (__force void __user *)-1L;
-
- return (void __user *)sp;
- }
-@@ -301,9 +301,9 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
- }
-
- if (current->mm->context.vdso)
-- restorer = VDSO32_SYMBOL(current->mm->context.vdso, sigreturn);
-+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, sigreturn);
- else
-- restorer = &frame->retcode;
-+ restorer = (void __user *)&frame->retcode;
- if (ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
-
-@@ -317,7 +317,7 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
- * reasons and because gdb uses it as a signature to notice
- * signal handler stack frames.
- */
-- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode);
-+ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode);
-
- if (err)
- return -EFAULT;
-@@ -371,7 +371,10 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
-
- /* Set up to return from userspace. */
-- restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
-+ if (current->mm->context.vdso)
-+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
-+ else
-+ restorer = (void __user *)&frame->retcode;
- if (ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
- put_user_ex(restorer, &frame->pretcode);
-@@ -383,7 +386,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- * reasons and because gdb uses it as a signature to notice
- * signal handler stack frames.
- */
-- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode);
-+ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode);
- } put_user_catch(err);
-
- if (err)
-diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
-index 7bd8a08..2659b5b 100644
---- a/arch/x86/kernel/smpboot.c
-+++ b/arch/x86/kernel/smpboot.c
-@@ -679,6 +679,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
- idle->thread.sp = (unsigned long) (((struct pt_regs *)
- (THREAD_SIZE + task_stack_page(idle))) - 1);
- per_cpu(current_task, cpu) = idle;
-+ per_cpu(current_tinfo, cpu) = &idle->tinfo;
-
- #ifdef CONFIG_X86_32
- /* Stack for startup_32 can be just as for start_secondary onwards */
-@@ -686,11 +687,13 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
- #else
- clear_tsk_thread_flag(idle, TIF_FORK);
- initial_gs = per_cpu_offset(cpu);
-- per_cpu(kernel_stack, cpu) =
-- (unsigned long)task_stack_page(idle) -
-- KERNEL_STACK_OFFSET + THREAD_SIZE;
-+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
- #endif
-+
-+ pax_open_kernel();
- early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
-+ pax_close_kernel();
-+
- initial_code = (unsigned long)start_secondary;
- stack_start = idle->thread.sp;
-
-@@ -826,6 +829,12 @@ int __cpuinit native_cpu_up(unsigned int cpu, struct task_struct *tidle)
-
- per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ clone_pgd_range(get_cpu_pgd(cpu) + KERNEL_PGD_BOUNDARY,
-+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-+ KERNEL_PGD_PTRS);
-+#endif
-+
- err = do_boot_cpu(apicid, cpu, tidle);
- if (err) {
- pr_debug("do_boot_cpu failed %d\n", err);
-diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
-index c346d11..d43b163 100644
---- a/arch/x86/kernel/step.c
-+++ b/arch/x86/kernel/step.c
-@@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
- struct desc_struct *desc;
- unsigned long base;
-
-- seg &= ~7UL;
-+ seg >>= 3;
-
- mutex_lock(&child->mm->context.lock);
-- if (unlikely((seg >> 3) >= child->mm->context.size))
-+ if (unlikely(seg >= child->mm->context.size))
- addr = -1L; /* bogus selector, access would fault */
- else {
- desc = child->mm->context.ldt + seg;
-@@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
- addr += base;
- }
- mutex_unlock(&child->mm->context.lock);
-- }
-+ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS)
-+ addr = ktla_ktva(addr);
-
- return addr;
- }
-@@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
- unsigned char opcode[15];
- unsigned long addr = convert_ip_to_linear(child, regs);
-
-+ if (addr == -EINVAL)
-+ return 0;
-+
- copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0);
- for (i = 0; i < copied; i++) {
- switch (opcode[i]) {
-diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
-index 0b0cb5f..db6b9ed 100644
---- a/arch/x86/kernel/sys_i386_32.c
-+++ b/arch/x86/kernel/sys_i386_32.c
-@@ -24,17 +24,224 @@
-
- #include <asm/syscalls.h>
-
--/*
-- * Do a system call from kernel instead of calling sys_execve so we
-- * end up with proper pt_regs.
-- */
--int kernel_execve(const char *filename,
-- const char *const argv[],
-- const char *const envp[])
-+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
- {
-- long __res;
-- asm volatile ("int $0x80"
-- : "=a" (__res)
-- : "0" (__NR_execve), "b" (filename), "c" (argv), "d" (envp) : "memory");
-- return __res;
-+ unsigned long pax_task_size = TASK_SIZE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ if (len > pax_task_size || addr > pax_task_size - len)
-+ return -EINVAL;
-+
-+ return 0;
-+}
-+
-+unsigned long
-+arch_get_unmapped_area(struct file *filp, unsigned long addr,
-+ unsigned long len, unsigned long pgoff, unsigned long flags)
-+{
-+ struct mm_struct *mm = current->mm;
-+ struct vm_area_struct *vma;
-+ unsigned long start_addr, pax_task_size = TASK_SIZE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-+
-+ if (len > pax_task_size)
-+ return -ENOMEM;
-+
-+ if (flags & MAP_FIXED)
-+ return addr;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
-+ if (addr) {
-+ addr = PAGE_ALIGN(addr);
-+ if (pax_task_size - len >= addr) {
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ return addr;
-+ }
-+ }
-+ if (len > mm->cached_hole_size) {
-+ start_addr = addr = mm->free_area_cache;
-+ } else {
-+ start_addr = addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
-+ }
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE) && start_addr >= mm->mmap_base) {
-+ start_addr = 0x00110000UL;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ start_addr += mm->delta_mmap & 0x03FFF000UL;
-+#endif
-+
-+ if (mm->start_brk <= start_addr && start_addr < mm->mmap_base)
-+ start_addr = addr = mm->mmap_base;
-+ else
-+ addr = start_addr;
-+ }
-+#endif
-+
-+full_search:
-+ for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
-+ /* At this point: (!vma || addr < vma->vm_end). */
-+ if (pax_task_size - len < addr) {
-+ /*
-+ * Start a new search - just in case we missed
-+ * some holes.
-+ */
-+ if (start_addr != mm->mmap_base) {
-+ start_addr = addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
-+ goto full_search;
-+ }
-+ return -ENOMEM;
-+ }
-+ if (check_heap_stack_gap(vma, addr, len))
-+ break;
-+ if (addr + mm->cached_hole_size < vma->vm_start)
-+ mm->cached_hole_size = vma->vm_start - addr;
-+ addr = vma->vm_end;
-+ if (mm->start_brk <= addr && addr < mm->mmap_base) {
-+ start_addr = addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
-+ goto full_search;
-+ }
-+ }
-+
-+ /*
-+ * Remember the place where we stopped the search:
-+ */
-+ mm->free_area_cache = addr + len;
-+ return addr;
-+}
-+
-+unsigned long
-+arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
-+ const unsigned long len, const unsigned long pgoff,
-+ const unsigned long flags)
-+{
-+ struct vm_area_struct *vma;
-+ struct mm_struct *mm = current->mm;
-+ unsigned long base = mm->mmap_base, addr = addr0, pax_task_size = TASK_SIZE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-+
-+ /* requested length too big for entire address space */
-+ if (len > pax_task_size)
-+ return -ENOMEM;
-+
-+ if (flags & MAP_FIXED)
-+ return addr;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE))
-+ goto bottomup;
-+#endif
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
-+ /* requesting a specific address */
-+ if (addr) {
-+ addr = PAGE_ALIGN(addr);
-+ if (pax_task_size - len >= addr) {
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ return addr;
-+ }
-+ }
-+
-+ /* check if free_area_cache is useful for us */
-+ if (len <= mm->cached_hole_size) {
-+ mm->cached_hole_size = 0;
-+ mm->free_area_cache = mm->mmap_base;
-+ }
-+
-+ /* either no address requested or can't fit in requested address hole */
-+ addr = mm->free_area_cache;
-+
-+ /* make sure it can fit in the remaining address space */
-+ if (addr > len) {
-+ vma = find_vma(mm, addr-len);
-+ if (check_heap_stack_gap(vma, addr - len, len))
-+ /* remember the address as a hint for next time */
-+ return (mm->free_area_cache = addr-len);
-+ }
-+
-+ if (mm->mmap_base < len)
-+ goto bottomup;
-+
-+ addr = mm->mmap_base-len;
-+
-+ do {
-+ /*
-+ * Lookup failure means no vma is above this address,
-+ * else if new region fits below vma->vm_start,
-+ * return with success:
-+ */
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ /* remember the address as a hint for next time */
-+ return (mm->free_area_cache = addr);
-+
-+ /* remember the largest hole we saw so far */
-+ if (addr + mm->cached_hole_size < vma->vm_start)
-+ mm->cached_hole_size = vma->vm_start - addr;
-+
-+ /* try just below the current vma->vm_start */
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-+
-+bottomup:
-+ /*
-+ * A failed mmap() very likely causes application failure,
-+ * so fall back to the bottom-up function here. This scenario
-+ * can happen with large stack limits and large mmap()
-+ * allocations.
-+ */
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE;
-+ else
-+#endif
-+
-+ mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
-+ mm->free_area_cache = mm->mmap_base;
-+ mm->cached_hole_size = ~0UL;
-+ addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
-+ /*
-+ * Restore the topdown base:
-+ */
-+ mm->mmap_base = base;
-+ mm->free_area_cache = base;
-+ mm->cached_hole_size = ~0UL;
-+
-+ return addr;
- }
-diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
-index b4d3c39..82bb73b 100644
---- a/arch/x86/kernel/sys_x86_64.c
-+++ b/arch/x86/kernel/sys_x86_64.c
-@@ -95,8 +95,8 @@ out:
- return error;
- }
-
--static void find_start_end(unsigned long flags, unsigned long *begin,
-- unsigned long *end)
-+static void find_start_end(struct mm_struct *mm, unsigned long flags,
-+ unsigned long *begin, unsigned long *end)
- {
- if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) {
- unsigned long new_begin;
-@@ -115,7 +115,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
- *begin = new_begin;
- }
- } else {
-- *begin = TASK_UNMAPPED_BASE;
-+ *begin = mm->mmap_base;
- *end = TASK_SIZE;
- }
- }
-@@ -132,16 +132,19 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- if (flags & MAP_FIXED)
- return addr;
-
-- find_start_end(flags, &begin, &end);
-+ find_start_end(mm, flags, &begin, &end);
-
- if (len > end)
- return -ENOMEM;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- addr = PAGE_ALIGN(addr);
- vma = find_vma(mm, addr);
-- if (end - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (end - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
- if (((flags & MAP_32BIT) || test_thread_flag(TIF_ADDR32))
-@@ -172,7 +175,7 @@ full_search:
- }
- return -ENOMEM;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /*
- * Remember the place where we stopped the search:
- */
-@@ -195,7 +198,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- {
- struct vm_area_struct *vma;
- struct mm_struct *mm = current->mm;
-- unsigned long addr = addr0, start_addr;
-+ unsigned long base = mm->mmap_base, addr = addr0, start_addr;
-
- /* requested length too big for entire address space */
- if (len > TASK_SIZE)
-@@ -208,13 +211,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT))
- goto bottomup;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- /* requesting a specific address */
- if (addr) {
- addr = PAGE_ALIGN(addr);
-- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-- return addr;
-+ if (TASK_SIZE - len >= addr) {
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ return addr;
-+ }
- }
-
- /* check if free_area_cache is useful for us */
-@@ -240,7 +248,7 @@ try_again:
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (!vma || addr+len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- /* remember the address as a hint for next time */
- return mm->free_area_cache = addr;
-
-@@ -249,8 +257,8 @@ try_again:
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = vma->vm_start-len;
-- } while (len < vma->vm_start);
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- fail:
- /*
-@@ -270,13 +278,21 @@ bottomup:
- * can happen with large stack limits and large mmap()
- * allocations.
- */
-+ mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
-+ mm->free_area_cache = mm->mmap_base;
- mm->cached_hole_size = ~0UL;
-- mm->free_area_cache = TASK_UNMAPPED_BASE;
- addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
- /*
- * Restore the topdown base:
- */
-- mm->free_area_cache = mm->mmap_base;
-+ mm->mmap_base = base;
-+ mm->free_area_cache = base;
- mm->cached_hole_size = ~0UL;
-
- return addr;
-diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
-index f84fe00..93fe08f 100644
---- a/arch/x86/kernel/tboot.c
-+++ b/arch/x86/kernel/tboot.c
-@@ -220,7 +220,7 @@ static int tboot_setup_sleep(void)
-
- void tboot_shutdown(u32 shutdown_type)
- {
-- void (*shutdown)(void);
-+ void (* __noreturn shutdown)(void);
-
- if (!tboot_enabled())
- return;
-@@ -242,7 +242,7 @@ void tboot_shutdown(u32 shutdown_type)
-
- switch_to_tboot_pt();
-
-- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry;
-+ shutdown = (void *)tboot->shutdown_entry;
- shutdown();
-
- /* should not reach here */
-@@ -300,7 +300,7 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
- return 0;
- }
-
--static atomic_t ap_wfs_count;
-+static atomic_unchecked_t ap_wfs_count;
-
- static int tboot_wait_for_aps(int num_aps)
- {
-@@ -324,9 +324,9 @@ static int __cpuinit tboot_cpu_callback(struct notifier_block *nfb,
- {
- switch (action) {
- case CPU_DYING:
-- atomic_inc(&ap_wfs_count);
-+ atomic_inc_unchecked(&ap_wfs_count);
- if (num_online_cpus() == 1)
-- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count)))
-+ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count)))
- return NOTIFY_BAD;
- break;
- }
-@@ -345,7 +345,7 @@ static __init int tboot_late_init(void)
-
- tboot_create_trampoline();
-
-- atomic_set(&ap_wfs_count, 0);
-+ atomic_set_unchecked(&ap_wfs_count, 0);
- register_hotcpu_notifier(&tboot_cpu_notifier);
-
- acpi_os_set_prepare_sleep(&tboot_sleep);
-diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
-index 24d3c91..d06b473 100644
---- a/arch/x86/kernel/time.c
-+++ b/arch/x86/kernel/time.c
-@@ -30,9 +30,9 @@ unsigned long profile_pc(struct pt_regs *regs)
- {
- unsigned long pc = instruction_pointer(regs);
-
-- if (!user_mode_vm(regs) && in_lock_functions(pc)) {
-+ if (!user_mode(regs) && in_lock_functions(pc)) {
- #ifdef CONFIG_FRAME_POINTER
-- return *(unsigned long *)(regs->bp + sizeof(long));
-+ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long)));
- #else
- unsigned long *sp =
- (unsigned long *)kernel_stack_pointer(regs);
-@@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs)
- * or above a saved flags. Eflags has bits 22-31 zero,
- * kernel addresses don't.
- */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ return ktla_ktva(sp[0]);
-+#else
- if (sp[0] >> 22)
- return sp[0];
- if (sp[1] >> 22)
- return sp[1];
- #endif
-+
-+#endif
- }
- return pc;
- }
-diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
-index 9d9d2f9..ed344e4 100644
---- a/arch/x86/kernel/tls.c
-+++ b/arch/x86/kernel/tls.c
-@@ -84,6 +84,11 @@ int do_set_thread_area(struct task_struct *p, int idx,
- if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
- return -EINVAL;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE))
-+ return -EINVAL;
-+#endif
-+
- set_tls_desc(p, idx, &info, 1);
-
- return 0;
-diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
-index 05b31d9..501d3ba 100644
---- a/arch/x86/kernel/traps.c
-+++ b/arch/x86/kernel/traps.c
-@@ -67,12 +67,6 @@ asmlinkage int system_call(void);
-
- /* Do we ignore FPU interrupts ? */
- char ignore_fpu_irq;
--
--/*
-- * The IDT has to be page-aligned to simplify the Pentium
-- * F0 0F bug workaround.
-- */
--gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, };
- #endif
-
- DECLARE_BITMAP(used_vectors, NR_VECTORS);
-@@ -105,13 +99,13 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
- }
-
- static void __kprobes
--do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
-+do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs,
- long error_code, siginfo_t *info)
- {
- struct task_struct *tsk = current;
-
- #ifdef CONFIG_X86_32
-- if (regs->flags & X86_VM_MASK) {
-+ if (v8086_mode(regs)) {
- /*
- * traps 0, 1, 3, 4, and 5 should be forwarded to vm86.
- * On nmi (interrupt 2), do_trap should not be called.
-@@ -122,7 +116,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
- }
- #endif
-
-- if (!user_mode(regs))
-+ if (!user_mode_novm(regs))
- goto kernel_trap;
-
- #ifdef CONFIG_X86_32
-@@ -145,7 +139,7 @@ trap_signal:
- printk_ratelimit()) {
- printk(KERN_INFO
- "%s[%d] trap %s ip:%lx sp:%lx error:%lx",
-- tsk->comm, tsk->pid, str,
-+ tsk->comm, task_pid_nr(tsk), str,
- regs->ip, regs->sp, error_code);
- print_vma_addr(" in ", regs->ip);
- printk("\n");
-@@ -162,8 +156,20 @@ kernel_trap:
- if (!fixup_exception(regs)) {
- tsk->thread.error_code = error_code;
- tsk->thread.trap_nr = trapnr;
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (trapnr == 12 && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS))
-+ str = "PAX: suspicious stack segment fault";
-+#endif
-+
- die(str, regs, error_code);
- }
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ if (trapnr == 4)
-+ pax_report_refcount_overflow(regs);
-+#endif
-+
- return;
-
- #ifdef CONFIG_X86_32
-@@ -256,14 +262,30 @@ do_general_protection(struct pt_regs *regs, long error_code)
- conditional_sti(regs);
-
- #ifdef CONFIG_X86_32
-- if (regs->flags & X86_VM_MASK)
-+ if (v8086_mode(regs))
- goto gp_in_vm86;
- #endif
-
- tsk = current;
-- if (!user_mode(regs))
-+ if (!user_mode_novm(regs))
- goto gp_in_kernel;
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
-+ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) {
-+ struct mm_struct *mm = tsk->mm;
-+ unsigned long limit;
-+
-+ down_write(&mm->mmap_sem);
-+ limit = mm->context.user_cs_limit;
-+ if (limit < TASK_SIZE) {
-+ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC);
-+ up_write(&mm->mmap_sem);
-+ return;
-+ }
-+ up_write(&mm->mmap_sem);
-+ }
-+#endif
-+
- tsk->thread.error_code = error_code;
- tsk->thread.trap_nr = X86_TRAP_GP;
-
-@@ -296,6 +318,13 @@ gp_in_kernel:
- if (notify_die(DIE_GPF, "general protection fault", regs, error_code,
- X86_TRAP_GP, SIGSEGV) == NOTIFY_STOP)
- return;
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)
-+ die("PAX: suspicious general protection fault", regs, error_code);
-+ else
-+#endif
-+
- die("general protection fault", regs, error_code);
- }
-
-@@ -431,7 +460,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
- /* It's safe to allow irq's after DR6 has been saved */
- preempt_conditional_sti(regs);
-
-- if (regs->flags & X86_VM_MASK) {
-+ if (v8086_mode(regs)) {
- handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code,
- X86_TRAP_DB);
- preempt_conditional_cli(regs);
-@@ -446,7 +475,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
- * We already checked v86 mode above, so we can check for kernel mode
- * by just checking the CPL of CS.
- */
-- if ((dr6 & DR_STEP) && !user_mode(regs)) {
-+ if ((dr6 & DR_STEP) && !user_mode_novm(regs)) {
- tsk->thread.debugreg6 &= ~DR_STEP;
- set_tsk_thread_flag(tsk, TIF_SINGLESTEP);
- regs->flags &= ~X86_EFLAGS_TF;
-@@ -477,7 +506,7 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
- return;
- conditional_sti(regs);
-
-- if (!user_mode_vm(regs))
-+ if (!user_mode(regs))
- {
- if (!fixup_exception(regs)) {
- task->thread.error_code = error_code;
-diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
-index dc4e910..c9dedab 100644
---- a/arch/x86/kernel/uprobes.c
-+++ b/arch/x86/kernel/uprobes.c
-@@ -606,7 +606,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
- int ret = NOTIFY_DONE;
-
- /* We are only interested in userspace traps */
-- if (regs && !user_mode_vm(regs))
-+ if (regs && !user_mode(regs))
- return NOTIFY_DONE;
-
- switch (val) {
-diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
-index b9242ba..50c5edd 100644
---- a/arch/x86/kernel/verify_cpu.S
-+++ b/arch/x86/kernel/verify_cpu.S
-@@ -20,6 +20,7 @@
- * arch/x86/boot/compressed/head_64.S: Boot cpu verification
- * arch/x86/kernel/trampoline_64.S: secondary processor verification
- * arch/x86/kernel/head_32.S: processor startup
-+ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume
- *
- * verify_cpu, returns the status of longmode and SSE in register %eax.
- * 0: Success 1: Failure
-diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
-index 255f58a..5e91150 100644
---- a/arch/x86/kernel/vm86_32.c
-+++ b/arch/x86/kernel/vm86_32.c
-@@ -41,6 +41,7 @@
- #include <linux/ptrace.h>
- #include <linux/audit.h>
- #include <linux/stddef.h>
-+#include <linux/grsecurity.h>
-
- #include <asm/uaccess.h>
- #include <asm/io.h>
-@@ -148,7 +149,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs)
- do_exit(SIGSEGV);
- }
-
-- tss = &per_cpu(init_tss, get_cpu());
-+ tss = init_tss + get_cpu();
- current->thread.sp0 = current->thread.saved_sp0;
- current->thread.sysenter_cs = __KERNEL_CS;
- load_sp0(tss, ¤t->thread);
-@@ -210,6 +211,13 @@ int sys_vm86old(struct vm86_struct __user *v86, struct pt_regs *regs)
- struct task_struct *tsk;
- int tmp, ret = -EPERM;
-
-+#ifdef CONFIG_GRKERNSEC_VM86
-+ if (!capable(CAP_SYS_RAWIO)) {
-+ gr_handle_vm86();
-+ goto out;
-+ }
-+#endif
-+
- tsk = current;
- if (tsk->thread.saved_sp0)
- goto out;
-@@ -240,6 +248,14 @@ int sys_vm86(unsigned long cmd, unsigned long arg, struct pt_regs *regs)
- int tmp, ret;
- struct vm86plus_struct __user *v86;
-
-+#ifdef CONFIG_GRKERNSEC_VM86
-+ if (!capable(CAP_SYS_RAWIO)) {
-+ gr_handle_vm86();
-+ ret = -EPERM;
-+ goto out;
-+ }
-+#endif
-+
- tsk = current;
- switch (cmd) {
- case VM86_REQUEST_IRQ:
-@@ -326,7 +342,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
- tsk->thread.saved_fs = info->regs32->fs;
- tsk->thread.saved_gs = get_user_gs(info->regs32);
-
-- tss = &per_cpu(init_tss, get_cpu());
-+ tss = init_tss + get_cpu();
- tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0;
- if (cpu_has_sep)
- tsk->thread.sysenter_cs = 0;
-@@ -533,7 +549,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i,
- goto cannot_handle;
- if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored))
- goto cannot_handle;
-- intr_ptr = (unsigned long __user *) (i << 2);
-+ intr_ptr = (__force unsigned long __user *) (i << 2);
- if (get_user(segoffs, intr_ptr))
- goto cannot_handle;
- if ((segoffs >> 16) == BIOSSEG)
-diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
-index 22a1530..8fbaaad 100644
---- a/arch/x86/kernel/vmlinux.lds.S
-+++ b/arch/x86/kernel/vmlinux.lds.S
-@@ -26,6 +26,13 @@
- #include <asm/page_types.h>
- #include <asm/cache.h>
- #include <asm/boot.h>
-+#include <asm/segment.h>
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR)
-+#else
-+#define __KERNEL_TEXT_OFFSET 0
-+#endif
-
- #undef i386 /* in case the preprocessor is a 32bit one */
-
-@@ -69,30 +76,43 @@ jiffies_64 = jiffies;
-
- PHDRS {
- text PT_LOAD FLAGS(5); /* R_E */
-+#ifdef CONFIG_X86_32
-+ module PT_LOAD FLAGS(5); /* R_E */
-+#endif
-+#ifdef CONFIG_XEN
-+ rodata PT_LOAD FLAGS(5); /* R_E */
-+#else
-+ rodata PT_LOAD FLAGS(4); /* R__ */
-+#endif
- data PT_LOAD FLAGS(6); /* RW_ */
--#ifdef CONFIG_X86_64
-+ init.begin PT_LOAD FLAGS(6); /* RW_ */
- #ifdef CONFIG_SMP
- percpu PT_LOAD FLAGS(6); /* RW_ */
- #endif
-+ text.init PT_LOAD FLAGS(5); /* R_E */
-+ text.exit PT_LOAD FLAGS(5); /* R_E */
- init PT_LOAD FLAGS(7); /* RWE */
--#endif
- note PT_NOTE FLAGS(0); /* ___ */
- }
-
- SECTIONS
- {
- #ifdef CONFIG_X86_32
-- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
-- phys_startup_32 = startup_32 - LOAD_OFFSET;
-+ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR;
- #else
-- . = __START_KERNEL;
-- phys_startup_64 = startup_64 - LOAD_OFFSET;
-+ . = __START_KERNEL;
- #endif
-
- /* Text and read-only data */
-- .text : AT(ADDR(.text) - LOAD_OFFSET) {
-- _text = .;
-+ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
- /* bootstrapping code */
-+#ifdef CONFIG_X86_32
-+ phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
-+#else
-+ phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
-+#endif
-+ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
-+ _text = .;
- HEAD_TEXT
- #ifdef CONFIG_X86_32
- . = ALIGN(PAGE_SIZE);
-@@ -108,13 +128,48 @@ SECTIONS
- IRQENTRY_TEXT
- *(.fixup)
- *(.gnu.warning)
-- /* End of text section */
-- _etext = .;
- } :text = 0x9090
-
-- NOTES :text :note
-+ . += __KERNEL_TEXT_OFFSET;
-
-- EXCEPTION_TABLE(16) :text = 0x9090
-+#ifdef CONFIG_X86_32
-+ . = ALIGN(PAGE_SIZE);
-+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) {
-+
-+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_MODULES)
-+ MODULES_EXEC_VADDR = .;
-+ BYTE(0)
-+ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024);
-+ . = ALIGN(HPAGE_SIZE) - 1;
-+ MODULES_EXEC_END = .;
-+#endif
-+
-+ } :module
-+#endif
-+
-+ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) {
-+ /* End of text section */
-+ BYTE(0)
-+ _etext = . - __KERNEL_TEXT_OFFSET;
-+ }
-+
-+#ifdef CONFIG_X86_32
-+ . = ALIGN(PAGE_SIZE);
-+ .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) {
-+ *(.idt)
-+ . = ALIGN(PAGE_SIZE);
-+ *(.empty_zero_page)
-+ *(.initial_pg_fixmap)
-+ *(.initial_pg_pmd)
-+ *(.initial_page_table)
-+ *(.swapper_pg_dir)
-+ } :rodata
-+#endif
-+
-+ . = ALIGN(PAGE_SIZE);
-+ NOTES :rodata :note
-+
-+ EXCEPTION_TABLE(16) :rodata
-
- #if defined(CONFIG_DEBUG_RODATA)
- /* .text should occupy whole number of pages */
-@@ -126,16 +181,20 @@ SECTIONS
-
- /* Data */
- .data : AT(ADDR(.data) - LOAD_OFFSET) {
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ . = ALIGN(HPAGE_SIZE);
-+#else
-+ . = ALIGN(PAGE_SIZE);
-+#endif
-+
- /* Start of data section */
- _sdata = .;
-
- /* init_task */
- INIT_TASK_DATA(THREAD_SIZE)
-
--#ifdef CONFIG_X86_32
-- /* 32 bit has nosave before _edata */
- NOSAVE_DATA
--#endif
-
- PAGE_ALIGNED_DATA(PAGE_SIZE)
-
-@@ -176,12 +235,19 @@ SECTIONS
- #endif /* CONFIG_X86_64 */
-
- /* Init code and data - will be freed after init */
-- . = ALIGN(PAGE_SIZE);
- .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) {
-+ BYTE(0)
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ . = ALIGN(HPAGE_SIZE);
-+#else
-+ . = ALIGN(PAGE_SIZE);
-+#endif
-+
- __init_begin = .; /* paired with __init_end */
-- }
-+ } :init.begin
-
--#if defined(CONFIG_X86_64) && defined(CONFIG_SMP)
-+#ifdef CONFIG_SMP
- /*
- * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the
- * output PHDR, so the next output section - .init.text - should
-@@ -190,12 +256,27 @@ SECTIONS
- PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu)
- #endif
-
-- INIT_TEXT_SECTION(PAGE_SIZE)
--#ifdef CONFIG_X86_64
-- :init
--#endif
-+ . = ALIGN(PAGE_SIZE);
-+ init_begin = .;
-+ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) {
-+ VMLINUX_SYMBOL(_sinittext) = .;
-+ INIT_TEXT
-+ VMLINUX_SYMBOL(_einittext) = .;
-+ . = ALIGN(PAGE_SIZE);
-+ } :text.init
-
-- INIT_DATA_SECTION(16)
-+ /*
-+ * .exit.text is discard at runtime, not link time, to deal with
-+ * references from .altinstructions and .eh_frame
-+ */
-+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
-+ EXIT_TEXT
-+ . = ALIGN(16);
-+ } :text.exit
-+ . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text);
-+
-+ . = ALIGN(PAGE_SIZE);
-+ INIT_DATA_SECTION(16) :init
-
- .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
- __x86_cpu_dev_start = .;
-@@ -257,19 +338,12 @@ SECTIONS
- }
-
- . = ALIGN(8);
-- /*
-- * .exit.text is discard at runtime, not link time, to deal with
-- * references from .altinstructions and .eh_frame
-- */
-- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
-- EXIT_TEXT
-- }
-
- .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
- EXIT_DATA
- }
-
--#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP)
-+#ifndef CONFIG_SMP
- PERCPU_SECTION(INTERNODE_CACHE_BYTES)
- #endif
-
-@@ -288,16 +362,10 @@ SECTIONS
- .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
- __smp_locks = .;
- *(.smp_locks)
-- . = ALIGN(PAGE_SIZE);
- __smp_locks_end = .;
-+ . = ALIGN(PAGE_SIZE);
- }
-
--#ifdef CONFIG_X86_64
-- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
-- NOSAVE_DATA
-- }
--#endif
--
- /* BSS */
- . = ALIGN(PAGE_SIZE);
- .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
-@@ -313,6 +381,7 @@ SECTIONS
- __brk_base = .;
- . += 64 * 1024; /* 64k alignment slop space */
- *(.brk_reservation) /* areas brk users have reserved */
-+ . = ALIGN(HPAGE_SIZE);
- __brk_limit = .;
- }
-
-@@ -339,13 +408,12 @@ SECTIONS
- * for the boot processor.
- */
- #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load
--INIT_PER_CPU(gdt_page);
- INIT_PER_CPU(irq_stack_union);
-
- /*
- * Build-time check on the image size:
- */
--. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE),
-+. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE),
- "kernel image bigger than KERNEL_IMAGE_SIZE");
-
- #ifdef CONFIG_SMP
-diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
-index 5db36ca..2938af9 100644
---- a/arch/x86/kernel/vsyscall_64.c
-+++ b/arch/x86/kernel/vsyscall_64.c
-@@ -54,15 +54,13 @@
- DEFINE_VVAR(int, vgetcpu_mode);
- DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data);
-
--static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE;
-+static enum { EMULATE, NONE } vsyscall_mode = EMULATE;
-
- static int __init vsyscall_setup(char *str)
- {
- if (str) {
- if (!strcmp("emulate", str))
- vsyscall_mode = EMULATE;
-- else if (!strcmp("native", str))
-- vsyscall_mode = NATIVE;
- else if (!strcmp("none", str))
- vsyscall_mode = NONE;
- else
-@@ -309,8 +307,7 @@ done:
- return true;
-
- sigsegv:
-- force_sig(SIGSEGV, current);
-- return true;
-+ do_group_exit(SIGKILL);
- }
-
- /*
-@@ -363,10 +360,7 @@ void __init map_vsyscall(void)
- extern char __vvar_page;
- unsigned long physaddr_vvar_page = __pa_symbol(&__vvar_page);
-
-- __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall,
-- vsyscall_mode == NATIVE
-- ? PAGE_KERNEL_VSYSCALL
-- : PAGE_KERNEL_VVAR);
-+ __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR);
- BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_FIRST_PAGE) !=
- (unsigned long)VSYSCALL_START);
-
-diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
-index 9796c2f..f686fbf 100644
---- a/arch/x86/kernel/x8664_ksyms_64.c
-+++ b/arch/x86/kernel/x8664_ksyms_64.c
-@@ -29,8 +29,6 @@ EXPORT_SYMBOL(__put_user_8);
- EXPORT_SYMBOL(copy_user_generic_string);
- EXPORT_SYMBOL(copy_user_generic_unrolled);
- EXPORT_SYMBOL(__copy_user_nocache);
--EXPORT_SYMBOL(_copy_from_user);
--EXPORT_SYMBOL(_copy_to_user);
-
- EXPORT_SYMBOL(copy_page);
- EXPORT_SYMBOL(clear_page);
-diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
-index bd18149..2ea0183 100644
---- a/arch/x86/kernel/xsave.c
-+++ b/arch/x86/kernel/xsave.c
-@@ -129,7 +129,7 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf,
- fx_sw_user->xstate_size > fx_sw_user->extended_size)
- return -EINVAL;
-
-- err = __get_user(magic2, (__u32 *) (((void *)fpstate) +
-+ err = __get_user(magic2, (__u32 __user *) (((void __user *)fpstate) +
- fx_sw_user->extended_size -
- FP_XSTATE_MAGIC2_SIZE));
- if (err)
-@@ -265,7 +265,7 @@ fx_only:
- * the other extended state.
- */
- xrstor_state(init_xstate_buf, pcntxt_mask & ~XSTATE_FPSSE);
-- return fxrstor_checking((__force struct i387_fxsave_struct *)buf);
-+ return fxrstor_checking((struct i387_fxsave_struct __force_kernel *)buf);
- }
-
- /*
-@@ -294,7 +294,7 @@ int restore_i387_xstate(void __user *buf)
- if (use_xsave())
- err = restore_user_xstate(buf);
- else
-- err = fxrstor_checking((__force struct i387_fxsave_struct *)
-+ err = fxrstor_checking((struct i387_fxsave_struct __force_kernel *)
- buf);
- if (unlikely(err)) {
- /*
-diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
-index 7df1c6d..9ea7c79 100644
---- a/arch/x86/kvm/cpuid.c
-+++ b/arch/x86/kvm/cpuid.c
-@@ -124,15 +124,20 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
- struct kvm_cpuid2 *cpuid,
- struct kvm_cpuid_entry2 __user *entries)
- {
-- int r;
-+ int r, i;
-
- r = -E2BIG;
- if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
- goto out;
- r = -EFAULT;
-- if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
-- cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
-+ if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
- goto out;
-+ for (i = 0; i < cpuid->nent; ++i) {
-+ struct kvm_cpuid_entry2 cpuid_entry;
-+ if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry)))
-+ goto out;
-+ vcpu->arch.cpuid_entries[i] = cpuid_entry;
-+ }
- vcpu->arch.cpuid_nent = cpuid->nent;
- kvm_apic_set_version(vcpu);
- kvm_x86_ops->cpuid_update(vcpu);
-@@ -147,15 +152,19 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
- struct kvm_cpuid2 *cpuid,
- struct kvm_cpuid_entry2 __user *entries)
- {
-- int r;
-+ int r, i;
-
- r = -E2BIG;
- if (cpuid->nent < vcpu->arch.cpuid_nent)
- goto out;
- r = -EFAULT;
-- if (copy_to_user(entries, &vcpu->arch.cpuid_entries,
-- vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
-+ if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
- goto out;
-+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
-+ struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i];
-+ if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry)))
-+ goto out;
-+ }
- return 0;
-
- out:
-diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
-index 4837375..2cc9722 100644
---- a/arch/x86/kvm/emulate.c
-+++ b/arch/x86/kvm/emulate.c
-@@ -256,6 +256,7 @@ struct gprefix {
-
- #define ____emulate_2op(ctxt, _op, _x, _y, _suffix, _dsttype) \
- do { \
-+ unsigned long _tmp; \
- __asm__ __volatile__ ( \
- _PRE_EFLAGS("0", "4", "2") \
- _op _suffix " %"_x"3,%1; " \
-@@ -270,8 +271,6 @@ struct gprefix {
- /* Raw emulation: instruction has two explicit operands. */
- #define __emulate_2op_nobyte(ctxt,_op,_wx,_wy,_lx,_ly,_qx,_qy) \
- do { \
-- unsigned long _tmp; \
-- \
- switch ((ctxt)->dst.bytes) { \
- case 2: \
- ____emulate_2op(ctxt,_op,_wx,_wy,"w",u16); \
-@@ -287,7 +286,6 @@ struct gprefix {
-
- #define __emulate_2op(ctxt,_op,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \
- do { \
-- unsigned long _tmp; \
- switch ((ctxt)->dst.bytes) { \
- case 1: \
- ____emulate_2op(ctxt,_op,_bx,_by,"b",u8); \
-diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
-index 93c1574..d6097dc 100644
---- a/arch/x86/kvm/lapic.c
-+++ b/arch/x86/kvm/lapic.c
-@@ -54,7 +54,7 @@
- #define APIC_BUS_CYCLE_NS 1
-
- /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */
--#define apic_debug(fmt, arg...)
-+#define apic_debug(fmt, arg...) do {} while (0)
-
- #define APIC_LVT_NUM 6
- /* 14 is the version for Xeon and Pentium 8.4.8*/
-diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
-index 34f9709..8eca2d5 100644
---- a/arch/x86/kvm/paging_tmpl.h
-+++ b/arch/x86/kvm/paging_tmpl.h
-@@ -197,7 +197,7 @@ retry_walk:
- if (unlikely(kvm_is_error_hva(host_addr)))
- goto error;
-
-- ptep_user = (pt_element_t __user *)((void *)host_addr + offset);
-+ ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset);
- if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte))))
- goto error;
-
-diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
-index f75af40..285b18f 100644
---- a/arch/x86/kvm/svm.c
-+++ b/arch/x86/kvm/svm.c
-@@ -3516,7 +3516,11 @@ static void reload_tss(struct kvm_vcpu *vcpu)
- int cpu = raw_smp_processor_id();
-
- struct svm_cpu_data *sd = per_cpu(svm_data, cpu);
-+
-+ pax_open_kernel();
- sd->tss_desc->type = 9; /* available 32/64-bit TSS */
-+ pax_close_kernel();
-+
- load_TR_desc();
- }
-
-@@ -3894,6 +3898,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
- #endif
- #endif
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ __set_fs(current_thread_info()->addr_limit);
-+#endif
-+
- reload_tss(vcpu);
-
- local_irq_disable();
-diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
-index 86c8704..e8ee2ac 100644
---- a/arch/x86/kvm/vmx.c
-+++ b/arch/x86/kvm/vmx.c
-@@ -1317,7 +1317,11 @@ static void reload_tss(void)
- struct desc_struct *descs;
-
- descs = (void *)gdt->address;
-+
-+ pax_open_kernel();
- descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
-+ pax_close_kernel();
-+
- load_TR_desc();
- }
-
-@@ -2650,8 +2654,11 @@ static __init int hardware_setup(void)
- if (!cpu_has_vmx_flexpriority())
- flexpriority_enabled = 0;
-
-- if (!cpu_has_vmx_tpr_shadow())
-- kvm_x86_ops->update_cr8_intercept = NULL;
-+ if (!cpu_has_vmx_tpr_shadow()) {
-+ pax_open_kernel();
-+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL;
-+ pax_close_kernel();
-+ }
-
- if (enable_ept && !cpu_has_vmx_ept_2m_page())
- kvm_disable_largepages();
-@@ -3719,7 +3726,7 @@ static void vmx_set_constant_host_state(void)
- vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */
-
- asm("mov $.Lkvm_vmx_return, %0" : "=r"(tmpl));
-- vmcs_writel(HOST_RIP, tmpl); /* 22.2.5 */
-+ vmcs_writel(HOST_RIP, ktla_ktva(tmpl)); /* 22.2.5 */
-
- rdmsr(MSR_IA32_SYSENTER_CS, low32, high32);
- vmcs_write32(HOST_IA32_SYSENTER_CS, low32);
-@@ -6257,6 +6264,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
- "jmp .Lkvm_vmx_return \n\t"
- ".Llaunched: " __ex(ASM_VMX_VMRESUME) "\n\t"
- ".Lkvm_vmx_return: "
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ "ljmp %[cs],$.Lkvm_vmx_return2\n\t"
-+ ".Lkvm_vmx_return2: "
-+#endif
-+
- /* Save guest registers, load host registers, keep flags */
- "mov %0, %c[wordsize](%%"R"sp) \n\t"
- "pop %0 \n\t"
-@@ -6305,6 +6318,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
- #endif
- [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)),
- [wordsize]"i"(sizeof(ulong))
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ ,[cs]"i"(__KERNEL_CS)
-+#endif
-+
- : "cc", "memory"
- , R"ax", R"bx", R"di", R"si"
- #ifdef CONFIG_X86_64
-@@ -6312,7 +6330,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
- #endif
- );
-
--#ifndef CONFIG_X86_64
-+#ifdef CONFIG_X86_32
- /*
- * The sysexit path does not restore ds/es, so we must set them to
- * a reasonable value ourselves.
-@@ -6321,8 +6339,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
- * may be executed in interrupt context, which saves and restore segments
- * around it, nullifying its effect.
- */
-- loadsegment(ds, __USER_DS);
-- loadsegment(es, __USER_DS);
-+ loadsegment(ds, __KERNEL_DS);
-+ loadsegment(es, __KERNEL_DS);
-+ loadsegment(ss, __KERNEL_DS);
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ loadsegment(fs, __KERNEL_PERCPU);
-+#endif
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ __set_fs(current_thread_info()->addr_limit);
-+#endif
-+
- #endif
-
- vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
-diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
-index 14c290d..0dae6e5 100644
---- a/arch/x86/kvm/x86.c
-+++ b/arch/x86/kvm/x86.c
-@@ -1361,8 +1361,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
- {
- struct kvm *kvm = vcpu->kvm;
- int lm = is_long_mode(vcpu);
-- u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
-- : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
-+ u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64
-+ : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
- u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
- : kvm->arch.xen_hvm_config.blob_size_32;
- u32 page_num = data & ~PAGE_MASK;
-@@ -2218,6 +2218,8 @@ long kvm_arch_dev_ioctl(struct file *filp,
- if (n < msr_list.nmsrs)
- goto out;
- r = -EFAULT;
-+ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save))
-+ goto out;
- if (copy_to_user(user_msr_list->indices, &msrs_to_save,
- num_msrs_to_save * sizeof(u32)))
- goto out;
-@@ -2343,7 +2345,7 @@ static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu,
- static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
- struct kvm_interrupt *irq)
- {
-- if (irq->irq < 0 || irq->irq >= 256)
-+ if (irq->irq >= 256)
- return -EINVAL;
- if (irqchip_in_kernel(vcpu->kvm))
- return -ENXIO;
-@@ -4880,7 +4882,7 @@ static void kvm_set_mmio_spte_mask(void)
- kvm_mmu_set_mmio_spte_mask(mask);
- }
-
--int kvm_arch_init(void *opaque)
-+int kvm_arch_init(const void *opaque)
- {
- int r;
- struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
-diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
-index 642d880..44e0f3f 100644
---- a/arch/x86/lguest/boot.c
-+++ b/arch/x86/lguest/boot.c
-@@ -1200,9 +1200,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
- * Rebooting also tells the Host we're finished, but the RESTART flag tells the
- * Launcher to reboot us.
- */
--static void lguest_restart(char *reason)
-+static __noreturn void lguest_restart(char *reason)
- {
- hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0);
-+ BUG();
- }
-
- /*G:050
-diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S
-index 00933d5..3a64af9 100644
---- a/arch/x86/lib/atomic64_386_32.S
-+++ b/arch/x86/lib/atomic64_386_32.S
-@@ -48,6 +48,10 @@ BEGIN(read)
- movl (v), %eax
- movl 4(v), %edx
- RET_ENDP
-+BEGIN(read_unchecked)
-+ movl (v), %eax
-+ movl 4(v), %edx
-+RET_ENDP
- #undef v
-
- #define v %esi
-@@ -55,6 +59,10 @@ BEGIN(set)
- movl %ebx, (v)
- movl %ecx, 4(v)
- RET_ENDP
-+BEGIN(set_unchecked)
-+ movl %ebx, (v)
-+ movl %ecx, 4(v)
-+RET_ENDP
- #undef v
-
- #define v %esi
-@@ -70,6 +78,20 @@ RET_ENDP
- BEGIN(add)
- addl %eax, (v)
- adcl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 0f
-+ subl %eax, (v)
-+ sbbl %edx, 4(v)
-+ int $4
-+0:
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+RET_ENDP
-+BEGIN(add_unchecked)
-+ addl %eax, (v)
-+ adcl %edx, 4(v)
- RET_ENDP
- #undef v
-
-@@ -77,6 +99,24 @@ RET_ENDP
- BEGIN(add_return)
- addl (v), %eax
- adcl 4(v), %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
-+ movl %eax, (v)
-+ movl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+2:
-+#endif
-+
-+RET_ENDP
-+BEGIN(add_return_unchecked)
-+ addl (v), %eax
-+ adcl 4(v), %edx
- movl %eax, (v)
- movl %edx, 4(v)
- RET_ENDP
-@@ -86,6 +126,20 @@ RET_ENDP
- BEGIN(sub)
- subl %eax, (v)
- sbbl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 0f
-+ addl %eax, (v)
-+ adcl %edx, 4(v)
-+ int $4
-+0:
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+RET_ENDP
-+BEGIN(sub_unchecked)
-+ subl %eax, (v)
-+ sbbl %edx, 4(v)
- RET_ENDP
- #undef v
-
-@@ -96,6 +150,27 @@ BEGIN(sub_return)
- sbbl $0, %edx
- addl (v), %eax
- adcl 4(v), %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
-+ movl %eax, (v)
-+ movl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+2:
-+#endif
-+
-+RET_ENDP
-+BEGIN(sub_return_unchecked)
-+ negl %edx
-+ negl %eax
-+ sbbl $0, %edx
-+ addl (v), %eax
-+ adcl 4(v), %edx
- movl %eax, (v)
- movl %edx, 4(v)
- RET_ENDP
-@@ -105,6 +180,20 @@ RET_ENDP
- BEGIN(inc)
- addl $1, (v)
- adcl $0, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 0f
-+ subl $1, (v)
-+ sbbl $0, 4(v)
-+ int $4
-+0:
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+RET_ENDP
-+BEGIN(inc_unchecked)
-+ addl $1, (v)
-+ adcl $0, 4(v)
- RET_ENDP
- #undef v
-
-@@ -114,6 +203,26 @@ BEGIN(inc_return)
- movl 4(v), %edx
- addl $1, %eax
- adcl $0, %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
-+ movl %eax, (v)
-+ movl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+2:
-+#endif
-+
-+RET_ENDP
-+BEGIN(inc_return_unchecked)
-+ movl (v), %eax
-+ movl 4(v), %edx
-+ addl $1, %eax
-+ adcl $0, %edx
- movl %eax, (v)
- movl %edx, 4(v)
- RET_ENDP
-@@ -123,6 +232,20 @@ RET_ENDP
- BEGIN(dec)
- subl $1, (v)
- sbbl $0, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 0f
-+ addl $1, (v)
-+ adcl $0, 4(v)
-+ int $4
-+0:
-+ _ASM_EXTABLE(0b, 0b)
-+#endif
-+
-+RET_ENDP
-+BEGIN(dec_unchecked)
-+ subl $1, (v)
-+ sbbl $0, 4(v)
- RET_ENDP
- #undef v
-
-@@ -132,6 +255,26 @@ BEGIN(dec_return)
- movl 4(v), %edx
- subl $1, %eax
- sbbl $0, %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
-+ movl %eax, (v)
-+ movl %edx, 4(v)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+2:
-+#endif
-+
-+RET_ENDP
-+BEGIN(dec_return_unchecked)
-+ movl (v), %eax
-+ movl 4(v), %edx
-+ subl $1, %eax
-+ sbbl $0, %edx
- movl %eax, (v)
- movl %edx, 4(v)
- RET_ENDP
-@@ -143,6 +286,13 @@ BEGIN(add_unless)
- adcl %edx, %edi
- addl (v), %eax
- adcl 4(v), %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
- cmpl %eax, %ecx
- je 3f
- 1:
-@@ -168,6 +318,13 @@ BEGIN(inc_not_zero)
- 1:
- addl $1, %eax
- adcl $0, %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
- movl %eax, (v)
- movl %edx, 4(v)
- movl $1, %eax
-@@ -186,6 +343,13 @@ BEGIN(dec_if_positive)
- movl 4(v), %edx
- subl $1, %eax
- sbbl $0, %edx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 1f)
-+#endif
-+
- js 1f
- movl %eax, (v)
- movl %edx, 4(v)
-diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S
-index f5cc9eb..51fa319 100644
---- a/arch/x86/lib/atomic64_cx8_32.S
-+++ b/arch/x86/lib/atomic64_cx8_32.S
-@@ -35,10 +35,20 @@ ENTRY(atomic64_read_cx8)
- CFI_STARTPROC
-
- read64 %ecx
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(atomic64_read_cx8)
-
-+ENTRY(atomic64_read_unchecked_cx8)
-+ CFI_STARTPROC
-+
-+ read64 %ecx
-+ pax_force_retaddr
-+ ret
-+ CFI_ENDPROC
-+ENDPROC(atomic64_read_unchecked_cx8)
-+
- ENTRY(atomic64_set_cx8)
- CFI_STARTPROC
-
-@@ -48,10 +58,25 @@ ENTRY(atomic64_set_cx8)
- cmpxchg8b (%esi)
- jne 1b
-
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(atomic64_set_cx8)
-
-+ENTRY(atomic64_set_unchecked_cx8)
-+ CFI_STARTPROC
-+
-+1:
-+/* we don't need LOCK_PREFIX since aligned 64-bit writes
-+ * are atomic on 586 and newer */
-+ cmpxchg8b (%esi)
-+ jne 1b
-+
-+ pax_force_retaddr
-+ ret
-+ CFI_ENDPROC
-+ENDPROC(atomic64_set_unchecked_cx8)
-+
- ENTRY(atomic64_xchg_cx8)
- CFI_STARTPROC
-
-@@ -60,12 +85,13 @@ ENTRY(atomic64_xchg_cx8)
- cmpxchg8b (%esi)
- jne 1b
-
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(atomic64_xchg_cx8)
-
--.macro addsub_return func ins insc
--ENTRY(atomic64_\func\()_return_cx8)
-+.macro addsub_return func ins insc unchecked=""
-+ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
- CFI_STARTPROC
- SAVE ebp
- SAVE ebx
-@@ -82,27 +108,44 @@ ENTRY(atomic64_\func\()_return_cx8)
- movl %edx, %ecx
- \ins\()l %esi, %ebx
- \insc\()l %edi, %ecx
-+
-+.ifb \unchecked
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+2:
-+ _ASM_EXTABLE(2b, 3f)
-+#endif
-+.endif
-+
- LOCK_PREFIX
- cmpxchg8b (%ebp)
- jne 1b
--
--10:
- movl %ebx, %eax
- movl %ecx, %edx
-+
-+.ifb \unchecked
-+#ifdef CONFIG_PAX_REFCOUNT
-+3:
-+#endif
-+.endif
-+
- RESTORE edi
- RESTORE esi
- RESTORE ebx
- RESTORE ebp
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--ENDPROC(atomic64_\func\()_return_cx8)
-+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
- .endm
-
- addsub_return add add adc
- addsub_return sub sub sbb
-+addsub_return add add adc _unchecked
-+addsub_return sub sub sbb _unchecked
-
--.macro incdec_return func ins insc
--ENTRY(atomic64_\func\()_return_cx8)
-+.macro incdec_return func ins insc unchecked=""
-+ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
- CFI_STARTPROC
- SAVE ebx
-
-@@ -112,21 +155,39 @@ ENTRY(atomic64_\func\()_return_cx8)
- movl %edx, %ecx
- \ins\()l $1, %ebx
- \insc\()l $0, %ecx
-+
-+.ifb \unchecked
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+2:
-+ _ASM_EXTABLE(2b, 3f)
-+#endif
-+.endif
-+
- LOCK_PREFIX
- cmpxchg8b (%esi)
- jne 1b
-
--10:
- movl %ebx, %eax
- movl %ecx, %edx
-+
-+.ifb \unchecked
-+#ifdef CONFIG_PAX_REFCOUNT
-+3:
-+#endif
-+.endif
-+
- RESTORE ebx
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
--ENDPROC(atomic64_\func\()_return_cx8)
-+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
- .endm
-
- incdec_return inc add adc
- incdec_return dec sub sbb
-+incdec_return inc add adc _unchecked
-+incdec_return dec sub sbb _unchecked
-
- ENTRY(atomic64_dec_if_positive_cx8)
- CFI_STARTPROC
-@@ -138,6 +199,13 @@ ENTRY(atomic64_dec_if_positive_cx8)
- movl %edx, %ecx
- subl $1, %ebx
- sbb $0, %ecx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 2f)
-+#endif
-+
- js 2f
- LOCK_PREFIX
- cmpxchg8b (%esi)
-@@ -147,6 +215,7 @@ ENTRY(atomic64_dec_if_positive_cx8)
- movl %ebx, %eax
- movl %ecx, %edx
- RESTORE ebx
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(atomic64_dec_if_positive_cx8)
-@@ -171,6 +240,13 @@ ENTRY(atomic64_add_unless_cx8)
- movl %edx, %ecx
- addl %ebp, %ebx
- adcl %edi, %ecx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 3f)
-+#endif
-+
- LOCK_PREFIX
- cmpxchg8b (%esi)
- jne 1b
-@@ -181,6 +257,7 @@ ENTRY(atomic64_add_unless_cx8)
- CFI_ADJUST_CFA_OFFSET -8
- RESTORE ebx
- RESTORE ebp
-+ pax_force_retaddr
- ret
- 4:
- cmpl %edx, 4(%esp)
-@@ -203,6 +280,13 @@ ENTRY(atomic64_inc_not_zero_cx8)
- xorl %ecx, %ecx
- addl $1, %ebx
- adcl %edx, %ecx
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ into
-+1234:
-+ _ASM_EXTABLE(1234b, 3f)
-+#endif
-+
- LOCK_PREFIX
- cmpxchg8b (%esi)
- jne 1b
-@@ -210,6 +294,7 @@ ENTRY(atomic64_inc_not_zero_cx8)
- movl $1, %eax
- 3:
- RESTORE ebx
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(atomic64_inc_not_zero_cx8)
-diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
-index 2af5df3..62b1a5a 100644
---- a/arch/x86/lib/checksum_32.S
-+++ b/arch/x86/lib/checksum_32.S
-@@ -29,7 +29,8 @@
- #include <asm/dwarf2.h>
- #include <asm/errno.h>
- #include <asm/asm.h>
--
-+#include <asm/segment.h>
-+
- /*
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-@@ -293,9 +294,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst,
-
- #define ARGBASE 16
- #define FP 12
--
--ENTRY(csum_partial_copy_generic)
-+
-+ENTRY(csum_partial_copy_generic_to_user)
- CFI_STARTPROC
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pushl_cfi %gs
-+ popl_cfi %es
-+ jmp csum_partial_copy_generic
-+#endif
-+
-+ENTRY(csum_partial_copy_generic_from_user)
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pushl_cfi %gs
-+ popl_cfi %ds
-+#endif
-+
-+ENTRY(csum_partial_copy_generic)
- subl $4,%esp
- CFI_ADJUST_CFA_OFFSET 4
- pushl_cfi %edi
-@@ -317,7 +333,7 @@ ENTRY(csum_partial_copy_generic)
- jmp 4f
- SRC(1: movw (%esi), %bx )
- addl $2, %esi
--DST( movw %bx, (%edi) )
-+DST( movw %bx, %es:(%edi) )
- addl $2, %edi
- addw %bx, %ax
- adcl $0, %eax
-@@ -329,30 +345,30 @@ DST( movw %bx, (%edi) )
- SRC(1: movl (%esi), %ebx )
- SRC( movl 4(%esi), %edx )
- adcl %ebx, %eax
--DST( movl %ebx, (%edi) )
-+DST( movl %ebx, %es:(%edi) )
- adcl %edx, %eax
--DST( movl %edx, 4(%edi) )
-+DST( movl %edx, %es:4(%edi) )
-
- SRC( movl 8(%esi), %ebx )
- SRC( movl 12(%esi), %edx )
- adcl %ebx, %eax
--DST( movl %ebx, 8(%edi) )
-+DST( movl %ebx, %es:8(%edi) )
- adcl %edx, %eax
--DST( movl %edx, 12(%edi) )
-+DST( movl %edx, %es:12(%edi) )
-
- SRC( movl 16(%esi), %ebx )
- SRC( movl 20(%esi), %edx )
- adcl %ebx, %eax
--DST( movl %ebx, 16(%edi) )
-+DST( movl %ebx, %es:16(%edi) )
- adcl %edx, %eax
--DST( movl %edx, 20(%edi) )
-+DST( movl %edx, %es:20(%edi) )
-
- SRC( movl 24(%esi), %ebx )
- SRC( movl 28(%esi), %edx )
- adcl %ebx, %eax
--DST( movl %ebx, 24(%edi) )
-+DST( movl %ebx, %es:24(%edi) )
- adcl %edx, %eax
--DST( movl %edx, 28(%edi) )
-+DST( movl %edx, %es:28(%edi) )
-
- lea 32(%esi), %esi
- lea 32(%edi), %edi
-@@ -366,7 +382,7 @@ DST( movl %edx, 28(%edi) )
- shrl $2, %edx # This clears CF
- SRC(3: movl (%esi), %ebx )
- adcl %ebx, %eax
--DST( movl %ebx, (%edi) )
-+DST( movl %ebx, %es:(%edi) )
- lea 4(%esi), %esi
- lea 4(%edi), %edi
- dec %edx
-@@ -378,12 +394,12 @@ DST( movl %ebx, (%edi) )
- jb 5f
- SRC( movw (%esi), %cx )
- leal 2(%esi), %esi
--DST( movw %cx, (%edi) )
-+DST( movw %cx, %es:(%edi) )
- leal 2(%edi), %edi
- je 6f
- shll $16,%ecx
- SRC(5: movb (%esi), %cl )
--DST( movb %cl, (%edi) )
-+DST( movb %cl, %es:(%edi) )
- 6: addl %ecx, %eax
- adcl $0, %eax
- 7:
-@@ -394,7 +410,7 @@ DST( movb %cl, (%edi) )
-
- 6001:
- movl ARGBASE+20(%esp), %ebx # src_err_ptr
-- movl $-EFAULT, (%ebx)
-+ movl $-EFAULT, %ss:(%ebx)
-
- # zero the complete destination - computing the rest
- # is too much work
-@@ -407,11 +423,15 @@ DST( movb %cl, (%edi) )
-
- 6002:
- movl ARGBASE+24(%esp), %ebx # dst_err_ptr
-- movl $-EFAULT,(%ebx)
-+ movl $-EFAULT,%ss:(%ebx)
- jmp 5000b
-
- .previous
-
-+ pushl_cfi %ss
-+ popl_cfi %ds
-+ pushl_cfi %ss
-+ popl_cfi %es
- popl_cfi %ebx
- CFI_RESTORE ebx
- popl_cfi %esi
-@@ -421,26 +441,43 @@ DST( movb %cl, (%edi) )
- popl_cfi %ecx # equivalent to addl $4,%esp
- ret
- CFI_ENDPROC
--ENDPROC(csum_partial_copy_generic)
-+ENDPROC(csum_partial_copy_generic_to_user)
-
- #else
-
- /* Version for PentiumII/PPro */
-
- #define ROUND1(x) \
-+ nop; nop; nop; \
- SRC(movl x(%esi), %ebx ) ; \
- addl %ebx, %eax ; \
-- DST(movl %ebx, x(%edi) ) ;
-+ DST(movl %ebx, %es:x(%edi)) ;
-
- #define ROUND(x) \
-+ nop; nop; nop; \
- SRC(movl x(%esi), %ebx ) ; \
- adcl %ebx, %eax ; \
-- DST(movl %ebx, x(%edi) ) ;
-+ DST(movl %ebx, %es:x(%edi)) ;
-
- #define ARGBASE 12
--
--ENTRY(csum_partial_copy_generic)
-+
-+ENTRY(csum_partial_copy_generic_to_user)
- CFI_STARTPROC
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pushl_cfi %gs
-+ popl_cfi %es
-+ jmp csum_partial_copy_generic
-+#endif
-+
-+ENTRY(csum_partial_copy_generic_from_user)
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pushl_cfi %gs
-+ popl_cfi %ds
-+#endif
-+
-+ENTRY(csum_partial_copy_generic)
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
- pushl_cfi %edi
-@@ -461,7 +498,7 @@ ENTRY(csum_partial_copy_generic)
- subl %ebx, %edi
- lea -1(%esi),%edx
- andl $-32,%edx
-- lea 3f(%ebx,%ebx), %ebx
-+ lea 3f(%ebx,%ebx,2), %ebx
- testl %esi, %esi
- jmp *%ebx
- 1: addl $64,%esi
-@@ -482,19 +519,19 @@ ENTRY(csum_partial_copy_generic)
- jb 5f
- SRC( movw (%esi), %dx )
- leal 2(%esi), %esi
--DST( movw %dx, (%edi) )
-+DST( movw %dx, %es:(%edi) )
- leal 2(%edi), %edi
- je 6f
- shll $16,%edx
- 5:
- SRC( movb (%esi), %dl )
--DST( movb %dl, (%edi) )
-+DST( movb %dl, %es:(%edi) )
- 6: addl %edx, %eax
- adcl $0, %eax
- 7:
- .section .fixup, "ax"
- 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr
-- movl $-EFAULT, (%ebx)
-+ movl $-EFAULT, %ss:(%ebx)
- # zero the complete destination (computing the rest is too much work)
- movl ARGBASE+8(%esp),%edi # dst
- movl ARGBASE+12(%esp),%ecx # len
-@@ -502,10 +539,17 @@ DST( movb %dl, (%edi) )
- rep; stosb
- jmp 7b
- 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr
-- movl $-EFAULT, (%ebx)
-+ movl $-EFAULT, %ss:(%ebx)
- jmp 7b
- .previous
-
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ pushl_cfi %ss
-+ popl_cfi %ds
-+ pushl_cfi %ss
-+ popl_cfi %es
-+#endif
-+
- popl_cfi %esi
- CFI_RESTORE esi
- popl_cfi %edi
-@@ -514,7 +558,7 @@ DST( movb %dl, (%edi) )
- CFI_RESTORE ebx
- ret
- CFI_ENDPROC
--ENDPROC(csum_partial_copy_generic)
-+ENDPROC(csum_partial_copy_generic_to_user)
-
- #undef ROUND
- #undef ROUND1
-diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S
-index f2145cf..cea889d 100644
---- a/arch/x86/lib/clear_page_64.S
-+++ b/arch/x86/lib/clear_page_64.S
-@@ -11,6 +11,7 @@ ENTRY(clear_page_c)
- movl $4096/8,%ecx
- xorl %eax,%eax
- rep stosq
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(clear_page_c)
-@@ -20,6 +21,7 @@ ENTRY(clear_page_c_e)
- movl $4096,%ecx
- xorl %eax,%eax
- rep stosb
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(clear_page_c_e)
-@@ -43,6 +45,7 @@ ENTRY(clear_page)
- leaq 64(%rdi),%rdi
- jnz .Lloop
- nop
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- .Lclear_page_end:
-@@ -58,7 +61,7 @@ ENDPROC(clear_page)
-
- #include <asm/cpufeature.h>
-
-- .section .altinstr_replacement,"ax"
-+ .section .altinstr_replacement,"a"
- 1: .byte 0xeb /* jmp <disp8> */
- .byte (clear_page_c - clear_page) - (2f - 1b) /* offset */
- 2: .byte 0xeb /* jmp <disp8> */
-diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S
-index 1e572c5..2a162cd 100644
---- a/arch/x86/lib/cmpxchg16b_emu.S
-+++ b/arch/x86/lib/cmpxchg16b_emu.S
-@@ -53,11 +53,13 @@ this_cpu_cmpxchg16b_emu:
-
- popf
- mov $1, %al
-+ pax_force_retaddr
- ret
-
- not_same:
- popf
- xor %al,%al
-+ pax_force_retaddr
- ret
-
- CFI_ENDPROC
-diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S
-index 6b34d04..dccb07f 100644
---- a/arch/x86/lib/copy_page_64.S
-+++ b/arch/x86/lib/copy_page_64.S
-@@ -9,6 +9,7 @@ copy_page_c:
- CFI_STARTPROC
- movl $4096/8,%ecx
- rep movsq
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(copy_page_c)
-@@ -20,12 +21,14 @@ ENDPROC(copy_page_c)
-
- ENTRY(copy_page)
- CFI_STARTPROC
-- subq $2*8,%rsp
-- CFI_ADJUST_CFA_OFFSET 2*8
-+ subq $3*8,%rsp
-+ CFI_ADJUST_CFA_OFFSET 3*8
- movq %rbx,(%rsp)
- CFI_REL_OFFSET rbx, 0
- movq %r12,1*8(%rsp)
- CFI_REL_OFFSET r12, 1*8
-+ movq %r13,2*8(%rsp)
-+ CFI_REL_OFFSET r13, 2*8
-
- movl $(4096/64)-5,%ecx
- .p2align 4
-@@ -37,7 +40,7 @@ ENTRY(copy_page)
- movq 16 (%rsi), %rdx
- movq 24 (%rsi), %r8
- movq 32 (%rsi), %r9
-- movq 40 (%rsi), %r10
-+ movq 40 (%rsi), %r13
- movq 48 (%rsi), %r11
- movq 56 (%rsi), %r12
-
-@@ -48,7 +51,7 @@ ENTRY(copy_page)
- movq %rdx, 16 (%rdi)
- movq %r8, 24 (%rdi)
- movq %r9, 32 (%rdi)
-- movq %r10, 40 (%rdi)
-+ movq %r13, 40 (%rdi)
- movq %r11, 48 (%rdi)
- movq %r12, 56 (%rdi)
-
-@@ -67,7 +70,7 @@ ENTRY(copy_page)
- movq 16 (%rsi), %rdx
- movq 24 (%rsi), %r8
- movq 32 (%rsi), %r9
-- movq 40 (%rsi), %r10
-+ movq 40 (%rsi), %r13
- movq 48 (%rsi), %r11
- movq 56 (%rsi), %r12
-
-@@ -76,7 +79,7 @@ ENTRY(copy_page)
- movq %rdx, 16 (%rdi)
- movq %r8, 24 (%rdi)
- movq %r9, 32 (%rdi)
-- movq %r10, 40 (%rdi)
-+ movq %r13, 40 (%rdi)
- movq %r11, 48 (%rdi)
- movq %r12, 56 (%rdi)
-
-@@ -89,8 +92,11 @@ ENTRY(copy_page)
- CFI_RESTORE rbx
- movq 1*8(%rsp),%r12
- CFI_RESTORE r12
-- addq $2*8,%rsp
-- CFI_ADJUST_CFA_OFFSET -2*8
-+ movq 2*8(%rsp),%r13
-+ CFI_RESTORE r13
-+ addq $3*8,%rsp
-+ CFI_ADJUST_CFA_OFFSET -3*8
-+ pax_force_retaddr
- ret
- .Lcopy_page_end:
- CFI_ENDPROC
-@@ -101,7 +107,7 @@ ENDPROC(copy_page)
-
- #include <asm/cpufeature.h>
-
-- .section .altinstr_replacement,"ax"
-+ .section .altinstr_replacement,"a"
- 1: .byte 0xeb /* jmp <disp8> */
- .byte (copy_page_c - copy_page) - (2f - 1b) /* offset */
- 2:
-diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
-index 5b2995f..78e7644 100644
---- a/arch/x86/lib/copy_user_64.S
-+++ b/arch/x86/lib/copy_user_64.S
-@@ -17,6 +17,7 @@
- #include <asm/cpufeature.h>
- #include <asm/alternative-asm.h>
- #include <asm/asm.h>
-+#include <asm/pgtable.h>
-
- /*
- * By placing feature2 after feature1 in altinstructions section, we logically
-@@ -30,7 +31,7 @@
- .byte 0xe9 /* 32bit jump */
- .long \orig-1f /* by default jump to orig */
- 1:
-- .section .altinstr_replacement,"ax"
-+ .section .altinstr_replacement,"a"
- 2: .byte 0xe9 /* near jump with 32bit immediate */
- .long \alt1-1b /* offset */ /* or alternatively to alt1 */
- 3: .byte 0xe9 /* near jump with 32bit immediate */
-@@ -69,47 +70,20 @@
- #endif
- .endm
-
--/* Standard copy_to_user with segment limit checking */
--ENTRY(_copy_to_user)
-- CFI_STARTPROC
-- GET_THREAD_INFO(%rax)
-- movq %rdi,%rcx
-- addq %rdx,%rcx
-- jc bad_to_user
-- cmpq TI_addr_limit(%rax),%rcx
-- ja bad_to_user
-- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
-- copy_user_generic_unrolled,copy_user_generic_string, \
-- copy_user_enhanced_fast_string
-- CFI_ENDPROC
--ENDPROC(_copy_to_user)
--
--/* Standard copy_from_user with segment limit checking */
--ENTRY(_copy_from_user)
-- CFI_STARTPROC
-- GET_THREAD_INFO(%rax)
-- movq %rsi,%rcx
-- addq %rdx,%rcx
-- jc bad_from_user
-- cmpq TI_addr_limit(%rax),%rcx
-- ja bad_from_user
-- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
-- copy_user_generic_unrolled,copy_user_generic_string, \
-- copy_user_enhanced_fast_string
-- CFI_ENDPROC
--ENDPROC(_copy_from_user)
--
- .section .fixup,"ax"
- /* must zero dest */
- ENTRY(bad_from_user)
- bad_from_user:
- CFI_STARTPROC
-+ testl %edx,%edx
-+ js bad_to_user
- movl %edx,%ecx
- xorl %eax,%eax
- rep
- stosb
- bad_to_user:
- movl %edx,%eax
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(bad_from_user)
-@@ -139,19 +113,19 @@ ENTRY(copy_user_generic_unrolled)
- jz 17f
- 1: movq (%rsi),%r8
- 2: movq 1*8(%rsi),%r9
--3: movq 2*8(%rsi),%r10
-+3: movq 2*8(%rsi),%rax
- 4: movq 3*8(%rsi),%r11
- 5: movq %r8,(%rdi)
- 6: movq %r9,1*8(%rdi)
--7: movq %r10,2*8(%rdi)
-+7: movq %rax,2*8(%rdi)
- 8: movq %r11,3*8(%rdi)
- 9: movq 4*8(%rsi),%r8
- 10: movq 5*8(%rsi),%r9
--11: movq 6*8(%rsi),%r10
-+11: movq 6*8(%rsi),%rax
- 12: movq 7*8(%rsi),%r11
- 13: movq %r8,4*8(%rdi)
- 14: movq %r9,5*8(%rdi)
--15: movq %r10,6*8(%rdi)
-+15: movq %rax,6*8(%rdi)
- 16: movq %r11,7*8(%rdi)
- leaq 64(%rsi),%rsi
- leaq 64(%rdi),%rdi
-@@ -177,6 +151,7 @@ ENTRY(copy_user_generic_unrolled)
- decl %ecx
- jnz 21b
- 23: xor %eax,%eax
-+ pax_force_retaddr
- ret
-
- .section .fixup,"ax"
-@@ -246,6 +221,7 @@ ENTRY(copy_user_generic_string)
- 3: rep
- movsb
- 4: xorl %eax,%eax
-+ pax_force_retaddr
- ret
-
- .section .fixup,"ax"
-@@ -279,6 +255,7 @@ ENTRY(copy_user_enhanced_fast_string)
- 1: rep
- movsb
- 2: xorl %eax,%eax
-+ pax_force_retaddr
- ret
-
- .section .fixup,"ax"
-diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
-index cacddc7..09d49e4 100644
---- a/arch/x86/lib/copy_user_nocache_64.S
-+++ b/arch/x86/lib/copy_user_nocache_64.S
-@@ -8,6 +8,7 @@
-
- #include <linux/linkage.h>
- #include <asm/dwarf2.h>
-+#include <asm/alternative-asm.h>
-
- #define FIX_ALIGNMENT 1
-
-@@ -15,6 +16,7 @@
- #include <asm/asm-offsets.h>
- #include <asm/thread_info.h>
- #include <asm/asm.h>
-+#include <asm/pgtable.h>
-
- .macro ALIGN_DESTINATION
- #ifdef FIX_ALIGNMENT
-@@ -48,6 +50,15 @@
- */
- ENTRY(__copy_user_nocache)
- CFI_STARTPROC
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ mov $PAX_USER_SHADOW_BASE,%rcx
-+ cmp %rcx,%rsi
-+ jae 1f
-+ add %rcx,%rsi
-+1:
-+#endif
-+
- cmpl $8,%edx
- jb 20f /* less then 8 bytes, go to byte copy loop */
- ALIGN_DESTINATION
-@@ -57,19 +68,19 @@ ENTRY(__copy_user_nocache)
- jz 17f
- 1: movq (%rsi),%r8
- 2: movq 1*8(%rsi),%r9
--3: movq 2*8(%rsi),%r10
-+3: movq 2*8(%rsi),%rax
- 4: movq 3*8(%rsi),%r11
- 5: movnti %r8,(%rdi)
- 6: movnti %r9,1*8(%rdi)
--7: movnti %r10,2*8(%rdi)
-+7: movnti %rax,2*8(%rdi)
- 8: movnti %r11,3*8(%rdi)
- 9: movq 4*8(%rsi),%r8
- 10: movq 5*8(%rsi),%r9
--11: movq 6*8(%rsi),%r10
-+11: movq 6*8(%rsi),%rax
- 12: movq 7*8(%rsi),%r11
- 13: movnti %r8,4*8(%rdi)
- 14: movnti %r9,5*8(%rdi)
--15: movnti %r10,6*8(%rdi)
-+15: movnti %rax,6*8(%rdi)
- 16: movnti %r11,7*8(%rdi)
- leaq 64(%rsi),%rsi
- leaq 64(%rdi),%rdi
-@@ -96,6 +107,7 @@ ENTRY(__copy_user_nocache)
- jnz 21b
- 23: xorl %eax,%eax
- sfence
-+ pax_force_retaddr
- ret
-
- .section .fixup,"ax"
-diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S
-index 2419d5f..953ee51 100644
---- a/arch/x86/lib/csum-copy_64.S
-+++ b/arch/x86/lib/csum-copy_64.S
-@@ -9,6 +9,7 @@
- #include <asm/dwarf2.h>
- #include <asm/errno.h>
- #include <asm/asm.h>
-+#include <asm/alternative-asm.h>
-
- /*
- * Checksum copy with exception handling.
-@@ -220,6 +221,7 @@ ENTRY(csum_partial_copy_generic)
- CFI_RESTORE rbp
- addq $7*8, %rsp
- CFI_ADJUST_CFA_OFFSET -7*8
-+ pax_force_retaddr 0, 1
- ret
- CFI_RESTORE_STATE
-
-diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
-index 25b7ae8..3b52ccd 100644
---- a/arch/x86/lib/csum-wrappers_64.c
-+++ b/arch/x86/lib/csum-wrappers_64.c
-@@ -52,7 +52,13 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
- len -= 2;
- }
- }
-- isum = csum_partial_copy_generic((__force const void *)src,
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+ src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ isum = csum_partial_copy_generic((const void __force_kernel *)src,
- dst, len, isum, errp, NULL);
- if (unlikely(*errp))
- goto out_err;
-@@ -105,7 +111,13 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
- }
-
- *errp = 0;
-- return csum_partial_copy_generic(src, (void __force *)dst,
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+ dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return csum_partial_copy_generic(src, (void __force_kernel *)dst,
- len, isum, NULL, errp);
- }
- EXPORT_SYMBOL(csum_partial_copy_to_user);
-diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
-index b33b1fb..219f389 100644
---- a/arch/x86/lib/getuser.S
-+++ b/arch/x86/lib/getuser.S
-@@ -33,15 +33,38 @@
- #include <asm/asm-offsets.h>
- #include <asm/thread_info.h>
- #include <asm/asm.h>
-+#include <asm/segment.h>
-+#include <asm/pgtable.h>
-+#include <asm/alternative-asm.h>
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define __copyuser_seg gs;
-+#else
-+#define __copyuser_seg
-+#endif
-
- .text
- ENTRY(__get_user_1)
- CFI_STARTPROC
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
- GET_THREAD_INFO(%_ASM_DX)
- cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
- jae bad_get_user
--1: movzb (%_ASM_AX),%edx
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
-+ cmp %_ASM_DX,%_ASM_AX
-+ jae 1234f
-+ add %_ASM_DX,%_ASM_AX
-+1234:
-+#endif
-+
-+#endif
-+
-+1: __copyuser_seg movzb (%_ASM_AX),%edx
- xor %eax,%eax
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(__get_user_1)
-@@ -49,12 +72,26 @@ ENDPROC(__get_user_1)
- ENTRY(__get_user_2)
- CFI_STARTPROC
- add $1,%_ASM_AX
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
- jc bad_get_user
- GET_THREAD_INFO(%_ASM_DX)
- cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
- jae bad_get_user
--2: movzwl -1(%_ASM_AX),%edx
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
-+ cmp %_ASM_DX,%_ASM_AX
-+ jae 1234f
-+ add %_ASM_DX,%_ASM_AX
-+1234:
-+#endif
-+
-+#endif
-+
-+2: __copyuser_seg movzwl -1(%_ASM_AX),%edx
- xor %eax,%eax
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(__get_user_2)
-@@ -62,12 +99,26 @@ ENDPROC(__get_user_2)
- ENTRY(__get_user_4)
- CFI_STARTPROC
- add $3,%_ASM_AX
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
- jc bad_get_user
- GET_THREAD_INFO(%_ASM_DX)
- cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
- jae bad_get_user
--3: mov -3(%_ASM_AX),%edx
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
-+ cmp %_ASM_DX,%_ASM_AX
-+ jae 1234f
-+ add %_ASM_DX,%_ASM_AX
-+1234:
-+#endif
-+
-+#endif
-+
-+3: __copyuser_seg mov -3(%_ASM_AX),%edx
- xor %eax,%eax
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(__get_user_4)
-@@ -80,8 +131,18 @@ ENTRY(__get_user_8)
- GET_THREAD_INFO(%_ASM_DX)
- cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
- jae bad_get_user
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
-+ cmp %_ASM_DX,%_ASM_AX
-+ jae 1234f
-+ add %_ASM_DX,%_ASM_AX
-+1234:
-+#endif
-+
- 4: movq -7(%_ASM_AX),%_ASM_DX
- xor %eax,%eax
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(__get_user_8)
-@@ -91,6 +152,7 @@ bad_get_user:
- CFI_STARTPROC
- xor %edx,%edx
- mov $(-EFAULT),%_ASM_AX
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- END(bad_get_user)
-diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
-index b1e6c4b..21ae8fc 100644
---- a/arch/x86/lib/insn.c
-+++ b/arch/x86/lib/insn.c
-@@ -21,6 +21,11 @@
- #include <linux/string.h>
- #include <asm/inat.h>
- #include <asm/insn.h>
-+#ifdef __KERNEL__
-+#include <asm/pgtable_types.h>
-+#else
-+#define ktla_ktva(addr) addr
-+#endif
-
- /* Verify next sizeof(t) bytes can be on the same instruction */
- #define validate_next(t, insn, n) \
-@@ -49,8 +54,8 @@
- void insn_init(struct insn *insn, const void *kaddr, int x86_64)
- {
- memset(insn, 0, sizeof(*insn));
-- insn->kaddr = kaddr;
-- insn->next_byte = kaddr;
-+ insn->kaddr = ktla_ktva(kaddr);
-+ insn->next_byte = ktla_ktva(kaddr);
- insn->x86_64 = x86_64 ? 1 : 0;
- insn->opnd_bytes = 4;
- if (x86_64)
-diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S
-index 05a95e7..326f2fa 100644
---- a/arch/x86/lib/iomap_copy_64.S
-+++ b/arch/x86/lib/iomap_copy_64.S
-@@ -17,6 +17,7 @@
-
- #include <linux/linkage.h>
- #include <asm/dwarf2.h>
-+#include <asm/alternative-asm.h>
-
- /*
- * override generic version in lib/iomap_copy.c
-@@ -25,6 +26,7 @@ ENTRY(__iowrite32_copy)
- CFI_STARTPROC
- movl %edx,%ecx
- rep movsd
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(__iowrite32_copy)
-diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
-index 1c273be..da9cc0e 100644
---- a/arch/x86/lib/memcpy_64.S
-+++ b/arch/x86/lib/memcpy_64.S
-@@ -33,6 +33,7 @@
- rep movsq
- movl %edx, %ecx
- rep movsb
-+ pax_force_retaddr
- ret
- .Lmemcpy_e:
- .previous
-@@ -49,6 +50,7 @@
- movq %rdi, %rax
- movq %rdx, %rcx
- rep movsb
-+ pax_force_retaddr
- ret
- .Lmemcpy_e_e:
- .previous
-@@ -76,13 +78,13 @@ ENTRY(memcpy)
- */
- movq 0*8(%rsi), %r8
- movq 1*8(%rsi), %r9
-- movq 2*8(%rsi), %r10
-+ movq 2*8(%rsi), %rcx
- movq 3*8(%rsi), %r11
- leaq 4*8(%rsi), %rsi
-
- movq %r8, 0*8(%rdi)
- movq %r9, 1*8(%rdi)
-- movq %r10, 2*8(%rdi)
-+ movq %rcx, 2*8(%rdi)
- movq %r11, 3*8(%rdi)
- leaq 4*8(%rdi), %rdi
- jae .Lcopy_forward_loop
-@@ -105,12 +107,12 @@ ENTRY(memcpy)
- subq $0x20, %rdx
- movq -1*8(%rsi), %r8
- movq -2*8(%rsi), %r9
-- movq -3*8(%rsi), %r10
-+ movq -3*8(%rsi), %rcx
- movq -4*8(%rsi), %r11
- leaq -4*8(%rsi), %rsi
- movq %r8, -1*8(%rdi)
- movq %r9, -2*8(%rdi)
-- movq %r10, -3*8(%rdi)
-+ movq %rcx, -3*8(%rdi)
- movq %r11, -4*8(%rdi)
- leaq -4*8(%rdi), %rdi
- jae .Lcopy_backward_loop
-@@ -130,12 +132,13 @@ ENTRY(memcpy)
- */
- movq 0*8(%rsi), %r8
- movq 1*8(%rsi), %r9
-- movq -2*8(%rsi, %rdx), %r10
-+ movq -2*8(%rsi, %rdx), %rcx
- movq -1*8(%rsi, %rdx), %r11
- movq %r8, 0*8(%rdi)
- movq %r9, 1*8(%rdi)
-- movq %r10, -2*8(%rdi, %rdx)
-+ movq %rcx, -2*8(%rdi, %rdx)
- movq %r11, -1*8(%rdi, %rdx)
-+ pax_force_retaddr
- retq
- .p2align 4
- .Lless_16bytes:
-@@ -148,6 +151,7 @@ ENTRY(memcpy)
- movq -1*8(%rsi, %rdx), %r9
- movq %r8, 0*8(%rdi)
- movq %r9, -1*8(%rdi, %rdx)
-+ pax_force_retaddr
- retq
- .p2align 4
- .Lless_8bytes:
-@@ -161,6 +165,7 @@ ENTRY(memcpy)
- movl -4(%rsi, %rdx), %r8d
- movl %ecx, (%rdi)
- movl %r8d, -4(%rdi, %rdx)
-+ pax_force_retaddr
- retq
- .p2align 4
- .Lless_3bytes:
-@@ -179,6 +184,7 @@ ENTRY(memcpy)
- movb %cl, (%rdi)
-
- .Lend:
-+ pax_force_retaddr
- retq
- CFI_ENDPROC
- ENDPROC(memcpy)
-diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
-index ee16461..c39c199 100644
---- a/arch/x86/lib/memmove_64.S
-+++ b/arch/x86/lib/memmove_64.S
-@@ -61,13 +61,13 @@ ENTRY(memmove)
- 5:
- sub $0x20, %rdx
- movq 0*8(%rsi), %r11
-- movq 1*8(%rsi), %r10
-+ movq 1*8(%rsi), %rcx
- movq 2*8(%rsi), %r9
- movq 3*8(%rsi), %r8
- leaq 4*8(%rsi), %rsi
-
- movq %r11, 0*8(%rdi)
-- movq %r10, 1*8(%rdi)
-+ movq %rcx, 1*8(%rdi)
- movq %r9, 2*8(%rdi)
- movq %r8, 3*8(%rdi)
- leaq 4*8(%rdi), %rdi
-@@ -81,10 +81,10 @@ ENTRY(memmove)
- 4:
- movq %rdx, %rcx
- movq -8(%rsi, %rdx), %r11
-- lea -8(%rdi, %rdx), %r10
-+ lea -8(%rdi, %rdx), %r9
- shrq $3, %rcx
- rep movsq
-- movq %r11, (%r10)
-+ movq %r11, (%r9)
- jmp 13f
- .Lmemmove_end_forward:
-
-@@ -95,14 +95,14 @@ ENTRY(memmove)
- 7:
- movq %rdx, %rcx
- movq (%rsi), %r11
-- movq %rdi, %r10
-+ movq %rdi, %r9
- leaq -8(%rsi, %rdx), %rsi
- leaq -8(%rdi, %rdx), %rdi
- shrq $3, %rcx
- std
- rep movsq
- cld
-- movq %r11, (%r10)
-+ movq %r11, (%r9)
- jmp 13f
-
- /*
-@@ -127,13 +127,13 @@ ENTRY(memmove)
- 8:
- subq $0x20, %rdx
- movq -1*8(%rsi), %r11
-- movq -2*8(%rsi), %r10
-+ movq -2*8(%rsi), %rcx
- movq -3*8(%rsi), %r9
- movq -4*8(%rsi), %r8
- leaq -4*8(%rsi), %rsi
-
- movq %r11, -1*8(%rdi)
-- movq %r10, -2*8(%rdi)
-+ movq %rcx, -2*8(%rdi)
- movq %r9, -3*8(%rdi)
- movq %r8, -4*8(%rdi)
- leaq -4*8(%rdi), %rdi
-@@ -151,11 +151,11 @@ ENTRY(memmove)
- * Move data from 16 bytes to 31 bytes.
- */
- movq 0*8(%rsi), %r11
-- movq 1*8(%rsi), %r10
-+ movq 1*8(%rsi), %rcx
- movq -2*8(%rsi, %rdx), %r9
- movq -1*8(%rsi, %rdx), %r8
- movq %r11, 0*8(%rdi)
-- movq %r10, 1*8(%rdi)
-+ movq %rcx, 1*8(%rdi)
- movq %r9, -2*8(%rdi, %rdx)
- movq %r8, -1*8(%rdi, %rdx)
- jmp 13f
-@@ -167,9 +167,9 @@ ENTRY(memmove)
- * Move data from 8 bytes to 15 bytes.
- */
- movq 0*8(%rsi), %r11
-- movq -1*8(%rsi, %rdx), %r10
-+ movq -1*8(%rsi, %rdx), %r9
- movq %r11, 0*8(%rdi)
-- movq %r10, -1*8(%rdi, %rdx)
-+ movq %r9, -1*8(%rdi, %rdx)
- jmp 13f
- 10:
- cmpq $4, %rdx
-@@ -178,9 +178,9 @@ ENTRY(memmove)
- * Move data from 4 bytes to 7 bytes.
- */
- movl (%rsi), %r11d
-- movl -4(%rsi, %rdx), %r10d
-+ movl -4(%rsi, %rdx), %r9d
- movl %r11d, (%rdi)
-- movl %r10d, -4(%rdi, %rdx)
-+ movl %r9d, -4(%rdi, %rdx)
- jmp 13f
- 11:
- cmp $2, %rdx
-@@ -189,9 +189,9 @@ ENTRY(memmove)
- * Move data from 2 bytes to 3 bytes.
- */
- movw (%rsi), %r11w
-- movw -2(%rsi, %rdx), %r10w
-+ movw -2(%rsi, %rdx), %r9w
- movw %r11w, (%rdi)
-- movw %r10w, -2(%rdi, %rdx)
-+ movw %r9w, -2(%rdi, %rdx)
- jmp 13f
- 12:
- cmp $1, %rdx
-@@ -202,6 +202,7 @@ ENTRY(memmove)
- movb (%rsi), %r11b
- movb %r11b, (%rdi)
- 13:
-+ pax_force_retaddr
- retq
- CFI_ENDPROC
-
-@@ -210,6 +211,7 @@ ENTRY(memmove)
- /* Forward moving data. */
- movq %rdx, %rcx
- rep movsb
-+ pax_force_retaddr
- retq
- .Lmemmove_end_forward_efs:
- .previous
-diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S
-index 2dcb380..963660a 100644
---- a/arch/x86/lib/memset_64.S
-+++ b/arch/x86/lib/memset_64.S
-@@ -30,6 +30,7 @@
- movl %edx,%ecx
- rep stosb
- movq %r9,%rax
-+ pax_force_retaddr
- ret
- .Lmemset_e:
- .previous
-@@ -52,6 +53,7 @@
- movq %rdx,%rcx
- rep stosb
- movq %r9,%rax
-+ pax_force_retaddr
- ret
- .Lmemset_e_e:
- .previous
-@@ -59,7 +61,7 @@
- ENTRY(memset)
- ENTRY(__memset)
- CFI_STARTPROC
-- movq %rdi,%r10
-+ movq %rdi,%r11
-
- /* expand byte value */
- movzbl %sil,%ecx
-@@ -117,7 +119,8 @@ ENTRY(__memset)
- jnz .Lloop_1
-
- .Lende:
-- movq %r10,%rax
-+ movq %r11,%rax
-+ pax_force_retaddr
- ret
-
- CFI_RESTORE_STATE
-diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c
-index c9f2d9b..e7fd2c0 100644
---- a/arch/x86/lib/mmx_32.c
-+++ b/arch/x86/lib/mmx_32.c
-@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
- {
- void *p;
- int i;
-+ unsigned long cr0;
-
- if (unlikely(in_interrupt()))
- return __memcpy(to, from, len);
-@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
- kernel_fpu_begin();
-
- __asm__ __volatile__ (
-- "1: prefetch (%0)\n" /* This set is 28 bytes */
-- " prefetch 64(%0)\n"
-- " prefetch 128(%0)\n"
-- " prefetch 192(%0)\n"
-- " prefetch 256(%0)\n"
-+ "1: prefetch (%1)\n" /* This set is 28 bytes */
-+ " prefetch 64(%1)\n"
-+ " prefetch 128(%1)\n"
-+ " prefetch 192(%1)\n"
-+ " prefetch 256(%1)\n"
- "2: \n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+ "3: \n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
- _ASM_EXTABLE(1b, 3b)
-- : : "r" (from));
-+ : "=&r" (cr0) : "r" (from) : "ax");
-
- for ( ; i > 5; i--) {
- __asm__ __volatile__ (
-- "1: prefetch 320(%0)\n"
-- "2: movq (%0), %%mm0\n"
-- " movq 8(%0), %%mm1\n"
-- " movq 16(%0), %%mm2\n"
-- " movq 24(%0), %%mm3\n"
-- " movq %%mm0, (%1)\n"
-- " movq %%mm1, 8(%1)\n"
-- " movq %%mm2, 16(%1)\n"
-- " movq %%mm3, 24(%1)\n"
-- " movq 32(%0), %%mm0\n"
-- " movq 40(%0), %%mm1\n"
-- " movq 48(%0), %%mm2\n"
-- " movq 56(%0), %%mm3\n"
-- " movq %%mm0, 32(%1)\n"
-- " movq %%mm1, 40(%1)\n"
-- " movq %%mm2, 48(%1)\n"
-- " movq %%mm3, 56(%1)\n"
-+ "1: prefetch 320(%1)\n"
-+ "2: movq (%1), %%mm0\n"
-+ " movq 8(%1), %%mm1\n"
-+ " movq 16(%1), %%mm2\n"
-+ " movq 24(%1), %%mm3\n"
-+ " movq %%mm0, (%2)\n"
-+ " movq %%mm1, 8(%2)\n"
-+ " movq %%mm2, 16(%2)\n"
-+ " movq %%mm3, 24(%2)\n"
-+ " movq 32(%1), %%mm0\n"
-+ " movq 40(%1), %%mm1\n"
-+ " movq 48(%1), %%mm2\n"
-+ " movq 56(%1), %%mm3\n"
-+ " movq %%mm0, 32(%2)\n"
-+ " movq %%mm1, 40(%2)\n"
-+ " movq %%mm2, 48(%2)\n"
-+ " movq %%mm3, 56(%2)\n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+ "3:\n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
- _ASM_EXTABLE(1b, 3b)
-- : : "r" (from), "r" (to) : "memory");
-+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
-
- from += 64;
- to += 64;
-@@ -158,6 +187,7 @@ static void fast_clear_page(void *page)
- static void fast_copy_page(void *to, void *from)
- {
- int i;
-+ unsigned long cr0;
-
- kernel_fpu_begin();
-
-@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from)
- * but that is for later. -AV
- */
- __asm__ __volatile__(
-- "1: prefetch (%0)\n"
-- " prefetch 64(%0)\n"
-- " prefetch 128(%0)\n"
-- " prefetch 192(%0)\n"
-- " prefetch 256(%0)\n"
-+ "1: prefetch (%1)\n"
-+ " prefetch 64(%1)\n"
-+ " prefetch 128(%1)\n"
-+ " prefetch 192(%1)\n"
-+ " prefetch 256(%1)\n"
- "2: \n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+ "3: \n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
-- _ASM_EXTABLE(1b, 3b) : : "r" (from));
-+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
-
- for (i = 0; i < (4096-320)/64; i++) {
- __asm__ __volatile__ (
-- "1: prefetch 320(%0)\n"
-- "2: movq (%0), %%mm0\n"
-- " movntq %%mm0, (%1)\n"
-- " movq 8(%0), %%mm1\n"
-- " movntq %%mm1, 8(%1)\n"
-- " movq 16(%0), %%mm2\n"
-- " movntq %%mm2, 16(%1)\n"
-- " movq 24(%0), %%mm3\n"
-- " movntq %%mm3, 24(%1)\n"
-- " movq 32(%0), %%mm4\n"
-- " movntq %%mm4, 32(%1)\n"
-- " movq 40(%0), %%mm5\n"
-- " movntq %%mm5, 40(%1)\n"
-- " movq 48(%0), %%mm6\n"
-- " movntq %%mm6, 48(%1)\n"
-- " movq 56(%0), %%mm7\n"
-- " movntq %%mm7, 56(%1)\n"
-+ "1: prefetch 320(%1)\n"
-+ "2: movq (%1), %%mm0\n"
-+ " movntq %%mm0, (%2)\n"
-+ " movq 8(%1), %%mm1\n"
-+ " movntq %%mm1, 8(%2)\n"
-+ " movq 16(%1), %%mm2\n"
-+ " movntq %%mm2, 16(%2)\n"
-+ " movq 24(%1), %%mm3\n"
-+ " movntq %%mm3, 24(%2)\n"
-+ " movq 32(%1), %%mm4\n"
-+ " movntq %%mm4, 32(%2)\n"
-+ " movq 40(%1), %%mm5\n"
-+ " movntq %%mm5, 40(%2)\n"
-+ " movq 48(%1), %%mm6\n"
-+ " movntq %%mm6, 48(%2)\n"
-+ " movq 56(%1), %%mm7\n"
-+ " movntq %%mm7, 56(%2)\n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+ "3:\n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
-- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory");
-+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
-
- from += 64;
- to += 64;
-@@ -280,47 +338,76 @@ static void fast_clear_page(void *page)
- static void fast_copy_page(void *to, void *from)
- {
- int i;
-+ unsigned long cr0;
-
- kernel_fpu_begin();
-
- __asm__ __volatile__ (
-- "1: prefetch (%0)\n"
-- " prefetch 64(%0)\n"
-- " prefetch 128(%0)\n"
-- " prefetch 192(%0)\n"
-- " prefetch 256(%0)\n"
-+ "1: prefetch (%1)\n"
-+ " prefetch 64(%1)\n"
-+ " prefetch 128(%1)\n"
-+ " prefetch 192(%1)\n"
-+ " prefetch 256(%1)\n"
- "2: \n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+ "3: \n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
-- _ASM_EXTABLE(1b, 3b) : : "r" (from));
-+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
-
- for (i = 0; i < 4096/64; i++) {
- __asm__ __volatile__ (
-- "1: prefetch 320(%0)\n"
-- "2: movq (%0), %%mm0\n"
-- " movq 8(%0), %%mm1\n"
-- " movq 16(%0), %%mm2\n"
-- " movq 24(%0), %%mm3\n"
-- " movq %%mm0, (%1)\n"
-- " movq %%mm1, 8(%1)\n"
-- " movq %%mm2, 16(%1)\n"
-- " movq %%mm3, 24(%1)\n"
-- " movq 32(%0), %%mm0\n"
-- " movq 40(%0), %%mm1\n"
-- " movq 48(%0), %%mm2\n"
-- " movq 56(%0), %%mm3\n"
-- " movq %%mm0, 32(%1)\n"
-- " movq %%mm1, 40(%1)\n"
-- " movq %%mm2, 48(%1)\n"
-- " movq %%mm3, 56(%1)\n"
-+ "1: prefetch 320(%1)\n"
-+ "2: movq (%1), %%mm0\n"
-+ " movq 8(%1), %%mm1\n"
-+ " movq 16(%1), %%mm2\n"
-+ " movq 24(%1), %%mm3\n"
-+ " movq %%mm0, (%2)\n"
-+ " movq %%mm1, 8(%2)\n"
-+ " movq %%mm2, 16(%2)\n"
-+ " movq %%mm3, 24(%2)\n"
-+ " movq 32(%1), %%mm0\n"
-+ " movq 40(%1), %%mm1\n"
-+ " movq 48(%1), %%mm2\n"
-+ " movq 56(%1), %%mm3\n"
-+ " movq %%mm0, 32(%2)\n"
-+ " movq %%mm1, 40(%2)\n"
-+ " movq %%mm2, 48(%2)\n"
-+ " movq %%mm3, 56(%2)\n"
- ".section .fixup, \"ax\"\n"
-- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+ "3:\n"
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %%cr0, %0\n"
-+ " movl %0, %%eax\n"
-+ " andl $0xFFFEFFFF, %%eax\n"
-+ " movl %%eax, %%cr0\n"
-+#endif
-+
-+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ " movl %0, %%cr0\n"
-+#endif
-+
- " jmp 2b\n"
- ".previous\n"
- _ASM_EXTABLE(1b, 3b)
-- : : "r" (from), "r" (to) : "memory");
-+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
-
- from += 64;
- to += 64;
-diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S
-index 69fa106..adda88b 100644
---- a/arch/x86/lib/msr-reg.S
-+++ b/arch/x86/lib/msr-reg.S
-@@ -3,6 +3,7 @@
- #include <asm/dwarf2.h>
- #include <asm/asm.h>
- #include <asm/msr.h>
-+#include <asm/alternative-asm.h>
-
- #ifdef CONFIG_X86_64
- /*
-@@ -16,7 +17,7 @@ ENTRY(native_\op\()_safe_regs)
- CFI_STARTPROC
- pushq_cfi %rbx
- pushq_cfi %rbp
-- movq %rdi, %r10 /* Save pointer */
-+ movq %rdi, %r9 /* Save pointer */
- xorl %r11d, %r11d /* Return value */
- movl (%rdi), %eax
- movl 4(%rdi), %ecx
-@@ -27,16 +28,17 @@ ENTRY(native_\op\()_safe_regs)
- movl 28(%rdi), %edi
- CFI_REMEMBER_STATE
- 1: \op
--2: movl %eax, (%r10)
-+2: movl %eax, (%r9)
- movl %r11d, %eax /* Return value */
-- movl %ecx, 4(%r10)
-- movl %edx, 8(%r10)
-- movl %ebx, 12(%r10)
-- movl %ebp, 20(%r10)
-- movl %esi, 24(%r10)
-- movl %edi, 28(%r10)
-+ movl %ecx, 4(%r9)
-+ movl %edx, 8(%r9)
-+ movl %ebx, 12(%r9)
-+ movl %ebp, 20(%r9)
-+ movl %esi, 24(%r9)
-+ movl %edi, 28(%r9)
- popq_cfi %rbp
- popq_cfi %rbx
-+ pax_force_retaddr
- ret
- 3:
- CFI_RESTORE_STATE
-diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S
-index 7f951c8..ebd573a 100644
---- a/arch/x86/lib/putuser.S
-+++ b/arch/x86/lib/putuser.S
-@@ -15,7 +15,9 @@
- #include <asm/thread_info.h>
- #include <asm/errno.h>
- #include <asm/asm.h>
--
-+#include <asm/segment.h>
-+#include <asm/pgtable.h>
-+#include <asm/alternative-asm.h>
-
- /*
- * __put_user_X
-@@ -29,52 +31,119 @@
- * as they get called from within inline assembly.
- */
-
--#define ENTER CFI_STARTPROC ; \
-- GET_THREAD_INFO(%_ASM_BX)
--#define EXIT ret ; \
-+#define ENTER CFI_STARTPROC
-+#define EXIT pax_force_retaddr; ret ; \
- CFI_ENDPROC
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define _DEST %_ASM_CX,%_ASM_BX
-+#else
-+#define _DEST %_ASM_CX
-+#endif
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#define __copyuser_seg gs;
-+#else
-+#define __copyuser_seg
-+#endif
-+
- .text
- ENTRY(__put_user_1)
- ENTER
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
-+ GET_THREAD_INFO(%_ASM_BX)
- cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
- jae bad_put_user
--1: movb %al,(%_ASM_CX)
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
-+ cmp %_ASM_BX,%_ASM_CX
-+ jb 1234f
-+ xor %ebx,%ebx
-+1234:
-+#endif
-+
-+#endif
-+
-+1: __copyuser_seg movb %al,(_DEST)
- xor %eax,%eax
- EXIT
- ENDPROC(__put_user_1)
-
- ENTRY(__put_user_2)
- ENTER
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
-+ GET_THREAD_INFO(%_ASM_BX)
- mov TI_addr_limit(%_ASM_BX),%_ASM_BX
- sub $1,%_ASM_BX
- cmp %_ASM_BX,%_ASM_CX
- jae bad_put_user
--2: movw %ax,(%_ASM_CX)
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
-+ cmp %_ASM_BX,%_ASM_CX
-+ jb 1234f
-+ xor %ebx,%ebx
-+1234:
-+#endif
-+
-+#endif
-+
-+2: __copyuser_seg movw %ax,(_DEST)
- xor %eax,%eax
- EXIT
- ENDPROC(__put_user_2)
-
- ENTRY(__put_user_4)
- ENTER
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
-+ GET_THREAD_INFO(%_ASM_BX)
- mov TI_addr_limit(%_ASM_BX),%_ASM_BX
- sub $3,%_ASM_BX
- cmp %_ASM_BX,%_ASM_CX
- jae bad_put_user
--3: movl %eax,(%_ASM_CX)
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
-+ cmp %_ASM_BX,%_ASM_CX
-+ jb 1234f
-+ xor %ebx,%ebx
-+1234:
-+#endif
-+
-+#endif
-+
-+3: __copyuser_seg movl %eax,(_DEST)
- xor %eax,%eax
- EXIT
- ENDPROC(__put_user_4)
-
- ENTRY(__put_user_8)
- ENTER
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
-+ GET_THREAD_INFO(%_ASM_BX)
- mov TI_addr_limit(%_ASM_BX),%_ASM_BX
- sub $7,%_ASM_BX
- cmp %_ASM_BX,%_ASM_CX
- jae bad_put_user
--4: mov %_ASM_AX,(%_ASM_CX)
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
-+ cmp %_ASM_BX,%_ASM_CX
-+ jb 1234f
-+ xor %ebx,%ebx
-+1234:
-+#endif
-+
-+#endif
-+
-+4: __copyuser_seg mov %_ASM_AX,(_DEST)
- #ifdef CONFIG_X86_32
--5: movl %edx,4(%_ASM_CX)
-+5: __copyuser_seg movl %edx,4(_DEST)
- #endif
- xor %eax,%eax
- EXIT
-diff --git a/arch/x86/lib/rwlock.S b/arch/x86/lib/rwlock.S
-index 1cad221..de671ee 100644
---- a/arch/x86/lib/rwlock.S
-+++ b/arch/x86/lib/rwlock.S
-@@ -16,13 +16,34 @@ ENTRY(__write_lock_failed)
- FRAME
- 0: LOCK_PREFIX
- WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 1234f
-+ LOCK_PREFIX
-+ WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr)
-+ int $4
-+1234:
-+ _ASM_EXTABLE(1234b, 1234b)
-+#endif
-+
- 1: rep; nop
- cmpl $WRITE_LOCK_CMP, (%__lock_ptr)
- jne 1b
- LOCK_PREFIX
- WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 1234f
-+ LOCK_PREFIX
-+ WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr)
-+ int $4
-+1234:
-+ _ASM_EXTABLE(1234b, 1234b)
-+#endif
-+
- jnz 0b
- ENDFRAME
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- END(__write_lock_failed)
-@@ -32,13 +53,34 @@ ENTRY(__read_lock_failed)
- FRAME
- 0: LOCK_PREFIX
- READ_LOCK_SIZE(inc) (%__lock_ptr)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 1234f
-+ LOCK_PREFIX
-+ READ_LOCK_SIZE(dec) (%__lock_ptr)
-+ int $4
-+1234:
-+ _ASM_EXTABLE(1234b, 1234b)
-+#endif
-+
- 1: rep; nop
- READ_LOCK_SIZE(cmp) $1, (%__lock_ptr)
- js 1b
- LOCK_PREFIX
- READ_LOCK_SIZE(dec) (%__lock_ptr)
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+ jno 1234f
-+ LOCK_PREFIX
-+ READ_LOCK_SIZE(inc) (%__lock_ptr)
-+ int $4
-+1234:
-+ _ASM_EXTABLE(1234b, 1234b)
-+#endif
-+
- js 0b
- ENDFRAME
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- END(__read_lock_failed)
-diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S
-index 5dff5f0..cadebf4 100644
---- a/arch/x86/lib/rwsem.S
-+++ b/arch/x86/lib/rwsem.S
-@@ -94,6 +94,7 @@ ENTRY(call_rwsem_down_read_failed)
- __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
- CFI_RESTORE __ASM_REG(dx)
- restore_common_regs
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_down_read_failed)
-@@ -104,6 +105,7 @@ ENTRY(call_rwsem_down_write_failed)
- movq %rax,%rdi
- call rwsem_down_write_failed
- restore_common_regs
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_down_write_failed)
-@@ -117,7 +119,8 @@ ENTRY(call_rwsem_wake)
- movq %rax,%rdi
- call rwsem_wake
- restore_common_regs
--1: ret
-+1: pax_force_retaddr
-+ ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_wake)
-
-@@ -131,6 +134,7 @@ ENTRY(call_rwsem_downgrade_wake)
- __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
- CFI_RESTORE __ASM_REG(dx)
- restore_common_regs
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_downgrade_wake)
-diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
-index a63efd6..ccecad8 100644
---- a/arch/x86/lib/thunk_64.S
-+++ b/arch/x86/lib/thunk_64.S
-@@ -8,6 +8,7 @@
- #include <linux/linkage.h>
- #include <asm/dwarf2.h>
- #include <asm/calling.h>
-+#include <asm/alternative-asm.h>
-
- /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
- .macro THUNK name, func, put_ret_addr_in_rdi=0
-@@ -41,5 +42,6 @@
- SAVE_ARGS
- restore:
- RESTORE_ARGS
-+ pax_force_retaddr
- ret
- CFI_ENDPROC
-diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
-index 1781b2f..90368dd 100644
---- a/arch/x86/lib/usercopy_32.c
-+++ b/arch/x86/lib/usercopy_32.c
-@@ -42,10 +42,12 @@ do { \
- int __d0; \
- might_fault(); \
- __asm__ __volatile__( \
-+ __COPYUSER_SET_ES \
- "0: rep; stosl\n" \
- " movl %2,%0\n" \
- "1: rep; stosb\n" \
- "2:\n" \
-+ __COPYUSER_RESTORE_ES \
- ".section .fixup,\"ax\"\n" \
- "3: lea 0(%2,%0,4),%0\n" \
- " jmp 2b\n" \
-@@ -97,7 +99,7 @@ EXPORT_SYMBOL(__clear_user);
-
- #ifdef CONFIG_X86_INTEL_USERCOPY
- static unsigned long
--__copy_user_intel(void __user *to, const void *from, unsigned long size)
-+__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size)
- {
- int d0, d1;
- __asm__ __volatile__(
-@@ -109,36 +111,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
- " .align 2,0x90\n"
- "3: movl 0(%4), %%eax\n"
- "4: movl 4(%4), %%edx\n"
-- "5: movl %%eax, 0(%3)\n"
-- "6: movl %%edx, 4(%3)\n"
-+ "5: "__copyuser_seg" movl %%eax, 0(%3)\n"
-+ "6: "__copyuser_seg" movl %%edx, 4(%3)\n"
- "7: movl 8(%4), %%eax\n"
- "8: movl 12(%4),%%edx\n"
-- "9: movl %%eax, 8(%3)\n"
-- "10: movl %%edx, 12(%3)\n"
-+ "9: "__copyuser_seg" movl %%eax, 8(%3)\n"
-+ "10: "__copyuser_seg" movl %%edx, 12(%3)\n"
- "11: movl 16(%4), %%eax\n"
- "12: movl 20(%4), %%edx\n"
-- "13: movl %%eax, 16(%3)\n"
-- "14: movl %%edx, 20(%3)\n"
-+ "13: "__copyuser_seg" movl %%eax, 16(%3)\n"
-+ "14: "__copyuser_seg" movl %%edx, 20(%3)\n"
- "15: movl 24(%4), %%eax\n"
- "16: movl 28(%4), %%edx\n"
-- "17: movl %%eax, 24(%3)\n"
-- "18: movl %%edx, 28(%3)\n"
-+ "17: "__copyuser_seg" movl %%eax, 24(%3)\n"
-+ "18: "__copyuser_seg" movl %%edx, 28(%3)\n"
- "19: movl 32(%4), %%eax\n"
- "20: movl 36(%4), %%edx\n"
-- "21: movl %%eax, 32(%3)\n"
-- "22: movl %%edx, 36(%3)\n"
-+ "21: "__copyuser_seg" movl %%eax, 32(%3)\n"
-+ "22: "__copyuser_seg" movl %%edx, 36(%3)\n"
- "23: movl 40(%4), %%eax\n"
- "24: movl 44(%4), %%edx\n"
-- "25: movl %%eax, 40(%3)\n"
-- "26: movl %%edx, 44(%3)\n"
-+ "25: "__copyuser_seg" movl %%eax, 40(%3)\n"
-+ "26: "__copyuser_seg" movl %%edx, 44(%3)\n"
- "27: movl 48(%4), %%eax\n"
- "28: movl 52(%4), %%edx\n"
-- "29: movl %%eax, 48(%3)\n"
-- "30: movl %%edx, 52(%3)\n"
-+ "29: "__copyuser_seg" movl %%eax, 48(%3)\n"
-+ "30: "__copyuser_seg" movl %%edx, 52(%3)\n"
- "31: movl 56(%4), %%eax\n"
- "32: movl 60(%4), %%edx\n"
-- "33: movl %%eax, 56(%3)\n"
-- "34: movl %%edx, 60(%3)\n"
-+ "33: "__copyuser_seg" movl %%eax, 56(%3)\n"
-+ "34: "__copyuser_seg" movl %%edx, 60(%3)\n"
- " addl $-64, %0\n"
- " addl $64, %4\n"
- " addl $64, %3\n"
-@@ -148,10 +150,12 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
- " shrl $2, %0\n"
- " andl $3, %%eax\n"
- " cld\n"
-+ __COPYUSER_SET_ES
- "99: rep; movsl\n"
- "36: movl %%eax, %0\n"
- "37: rep; movsb\n"
- "100:\n"
-+ __COPYUSER_RESTORE_ES
- ".section .fixup,\"ax\"\n"
- "101: lea 0(%%eax,%0,4),%0\n"
- " jmp 100b\n"
-@@ -201,46 +205,150 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
- }
-
- static unsigned long
-+__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size)
-+{
-+ int d0, d1;
-+ __asm__ __volatile__(
-+ " .align 2,0x90\n"
-+ "1: "__copyuser_seg" movl 32(%4), %%eax\n"
-+ " cmpl $67, %0\n"
-+ " jbe 3f\n"
-+ "2: "__copyuser_seg" movl 64(%4), %%eax\n"
-+ " .align 2,0x90\n"
-+ "3: "__copyuser_seg" movl 0(%4), %%eax\n"
-+ "4: "__copyuser_seg" movl 4(%4), %%edx\n"
-+ "5: movl %%eax, 0(%3)\n"
-+ "6: movl %%edx, 4(%3)\n"
-+ "7: "__copyuser_seg" movl 8(%4), %%eax\n"
-+ "8: "__copyuser_seg" movl 12(%4),%%edx\n"
-+ "9: movl %%eax, 8(%3)\n"
-+ "10: movl %%edx, 12(%3)\n"
-+ "11: "__copyuser_seg" movl 16(%4), %%eax\n"
-+ "12: "__copyuser_seg" movl 20(%4), %%edx\n"
-+ "13: movl %%eax, 16(%3)\n"
-+ "14: movl %%edx, 20(%3)\n"
-+ "15: "__copyuser_seg" movl 24(%4), %%eax\n"
-+ "16: "__copyuser_seg" movl 28(%4), %%edx\n"
-+ "17: movl %%eax, 24(%3)\n"
-+ "18: movl %%edx, 28(%3)\n"
-+ "19: "__copyuser_seg" movl 32(%4), %%eax\n"
-+ "20: "__copyuser_seg" movl 36(%4), %%edx\n"
-+ "21: movl %%eax, 32(%3)\n"
-+ "22: movl %%edx, 36(%3)\n"
-+ "23: "__copyuser_seg" movl 40(%4), %%eax\n"
-+ "24: "__copyuser_seg" movl 44(%4), %%edx\n"
-+ "25: movl %%eax, 40(%3)\n"
-+ "26: movl %%edx, 44(%3)\n"
-+ "27: "__copyuser_seg" movl 48(%4), %%eax\n"
-+ "28: "__copyuser_seg" movl 52(%4), %%edx\n"
-+ "29: movl %%eax, 48(%3)\n"
-+ "30: movl %%edx, 52(%3)\n"
-+ "31: "__copyuser_seg" movl 56(%4), %%eax\n"
-+ "32: "__copyuser_seg" movl 60(%4), %%edx\n"
-+ "33: movl %%eax, 56(%3)\n"
-+ "34: movl %%edx, 60(%3)\n"
-+ " addl $-64, %0\n"
-+ " addl $64, %4\n"
-+ " addl $64, %3\n"
-+ " cmpl $63, %0\n"
-+ " ja 1b\n"
-+ "35: movl %0, %%eax\n"
-+ " shrl $2, %0\n"
-+ " andl $3, %%eax\n"
-+ " cld\n"
-+ "99: rep; "__copyuser_seg" movsl\n"
-+ "36: movl %%eax, %0\n"
-+ "37: rep; "__copyuser_seg" movsb\n"
-+ "100:\n"
-+ ".section .fixup,\"ax\"\n"
-+ "101: lea 0(%%eax,%0,4),%0\n"
-+ " jmp 100b\n"
-+ ".previous\n"
-+ _ASM_EXTABLE(1b,100b)
-+ _ASM_EXTABLE(2b,100b)
-+ _ASM_EXTABLE(3b,100b)
-+ _ASM_EXTABLE(4b,100b)
-+ _ASM_EXTABLE(5b,100b)
-+ _ASM_EXTABLE(6b,100b)
-+ _ASM_EXTABLE(7b,100b)
-+ _ASM_EXTABLE(8b,100b)
-+ _ASM_EXTABLE(9b,100b)
-+ _ASM_EXTABLE(10b,100b)
-+ _ASM_EXTABLE(11b,100b)
-+ _ASM_EXTABLE(12b,100b)
-+ _ASM_EXTABLE(13b,100b)
-+ _ASM_EXTABLE(14b,100b)
-+ _ASM_EXTABLE(15b,100b)
-+ _ASM_EXTABLE(16b,100b)
-+ _ASM_EXTABLE(17b,100b)
-+ _ASM_EXTABLE(18b,100b)
-+ _ASM_EXTABLE(19b,100b)
-+ _ASM_EXTABLE(20b,100b)
-+ _ASM_EXTABLE(21b,100b)
-+ _ASM_EXTABLE(22b,100b)
-+ _ASM_EXTABLE(23b,100b)
-+ _ASM_EXTABLE(24b,100b)
-+ _ASM_EXTABLE(25b,100b)
-+ _ASM_EXTABLE(26b,100b)
-+ _ASM_EXTABLE(27b,100b)
-+ _ASM_EXTABLE(28b,100b)
-+ _ASM_EXTABLE(29b,100b)
-+ _ASM_EXTABLE(30b,100b)
-+ _ASM_EXTABLE(31b,100b)
-+ _ASM_EXTABLE(32b,100b)
-+ _ASM_EXTABLE(33b,100b)
-+ _ASM_EXTABLE(34b,100b)
-+ _ASM_EXTABLE(35b,100b)
-+ _ASM_EXTABLE(36b,100b)
-+ _ASM_EXTABLE(37b,100b)
-+ _ASM_EXTABLE(99b,101b)
-+ : "=&c"(size), "=&D" (d0), "=&S" (d1)
-+ : "1"(to), "2"(from), "0"(size)
-+ : "eax", "edx", "memory");
-+ return size;
-+}
-+
-+static unsigned long __size_overflow(3)
- __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
- {
- int d0, d1;
- __asm__ __volatile__(
- " .align 2,0x90\n"
-- "0: movl 32(%4), %%eax\n"
-+ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
- " cmpl $67, %0\n"
- " jbe 2f\n"
-- "1: movl 64(%4), %%eax\n"
-+ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
- " .align 2,0x90\n"
-- "2: movl 0(%4), %%eax\n"
-- "21: movl 4(%4), %%edx\n"
-+ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
-+ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
- " movl %%eax, 0(%3)\n"
- " movl %%edx, 4(%3)\n"
-- "3: movl 8(%4), %%eax\n"
-- "31: movl 12(%4),%%edx\n"
-+ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
-+ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
- " movl %%eax, 8(%3)\n"
- " movl %%edx, 12(%3)\n"
-- "4: movl 16(%4), %%eax\n"
-- "41: movl 20(%4), %%edx\n"
-+ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
-+ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
- " movl %%eax, 16(%3)\n"
- " movl %%edx, 20(%3)\n"
-- "10: movl 24(%4), %%eax\n"
-- "51: movl 28(%4), %%edx\n"
-+ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
-+ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
- " movl %%eax, 24(%3)\n"
- " movl %%edx, 28(%3)\n"
-- "11: movl 32(%4), %%eax\n"
-- "61: movl 36(%4), %%edx\n"
-+ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
-+ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
- " movl %%eax, 32(%3)\n"
- " movl %%edx, 36(%3)\n"
-- "12: movl 40(%4), %%eax\n"
-- "71: movl 44(%4), %%edx\n"
-+ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
-+ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
- " movl %%eax, 40(%3)\n"
- " movl %%edx, 44(%3)\n"
-- "13: movl 48(%4), %%eax\n"
-- "81: movl 52(%4), %%edx\n"
-+ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
-+ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
- " movl %%eax, 48(%3)\n"
- " movl %%edx, 52(%3)\n"
-- "14: movl 56(%4), %%eax\n"
-- "91: movl 60(%4), %%edx\n"
-+ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
-+ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
- " movl %%eax, 56(%3)\n"
- " movl %%edx, 60(%3)\n"
- " addl $-64, %0\n"
-@@ -252,9 +360,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
- " shrl $2, %0\n"
- " andl $3, %%eax\n"
- " cld\n"
-- "6: rep; movsl\n"
-+ "6: rep; "__copyuser_seg" movsl\n"
- " movl %%eax,%0\n"
-- "7: rep; movsb\n"
-+ "7: rep; "__copyuser_seg" movsb\n"
- "8:\n"
- ".section .fixup,\"ax\"\n"
- "9: lea 0(%%eax,%0,4),%0\n"
-@@ -297,48 +405,48 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
- * hyoshiok(a)miraclelinux.com
- */
-
--static unsigned long __copy_user_zeroing_intel_nocache(void *to,
-+static unsigned long __size_overflow(3) __copy_user_zeroing_intel_nocache(void *to,
- const void __user *from, unsigned long size)
- {
- int d0, d1;
-
- __asm__ __volatile__(
- " .align 2,0x90\n"
-- "0: movl 32(%4), %%eax\n"
-+ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
- " cmpl $67, %0\n"
- " jbe 2f\n"
-- "1: movl 64(%4), %%eax\n"
-+ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
- " .align 2,0x90\n"
-- "2: movl 0(%4), %%eax\n"
-- "21: movl 4(%4), %%edx\n"
-+ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
-+ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
- " movnti %%eax, 0(%3)\n"
- " movnti %%edx, 4(%3)\n"
-- "3: movl 8(%4), %%eax\n"
-- "31: movl 12(%4),%%edx\n"
-+ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
-+ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
- " movnti %%eax, 8(%3)\n"
- " movnti %%edx, 12(%3)\n"
-- "4: movl 16(%4), %%eax\n"
-- "41: movl 20(%4), %%edx\n"
-+ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
-+ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
- " movnti %%eax, 16(%3)\n"
- " movnti %%edx, 20(%3)\n"
-- "10: movl 24(%4), %%eax\n"
-- "51: movl 28(%4), %%edx\n"
-+ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
-+ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
- " movnti %%eax, 24(%3)\n"
- " movnti %%edx, 28(%3)\n"
-- "11: movl 32(%4), %%eax\n"
-- "61: movl 36(%4), %%edx\n"
-+ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
-+ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
- " movnti %%eax, 32(%3)\n"
- " movnti %%edx, 36(%3)\n"
-- "12: movl 40(%4), %%eax\n"
-- "71: movl 44(%4), %%edx\n"
-+ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
-+ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
- " movnti %%eax, 40(%3)\n"
- " movnti %%edx, 44(%3)\n"
-- "13: movl 48(%4), %%eax\n"
-- "81: movl 52(%4), %%edx\n"
-+ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
-+ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
- " movnti %%eax, 48(%3)\n"
- " movnti %%edx, 52(%3)\n"
-- "14: movl 56(%4), %%eax\n"
-- "91: movl 60(%4), %%edx\n"
-+ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
-+ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
- " movnti %%eax, 56(%3)\n"
- " movnti %%edx, 60(%3)\n"
- " addl $-64, %0\n"
-@@ -351,9 +459,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
- " shrl $2, %0\n"
- " andl $3, %%eax\n"
- " cld\n"
-- "6: rep; movsl\n"
-+ "6: rep; "__copyuser_seg" movsl\n"
- " movl %%eax,%0\n"
-- "7: rep; movsb\n"
-+ "7: rep; "__copyuser_seg" movsb\n"
- "8:\n"
- ".section .fixup,\"ax\"\n"
- "9: lea 0(%%eax,%0,4),%0\n"
-@@ -391,48 +499,48 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
- return size;
- }
-
--static unsigned long __copy_user_intel_nocache(void *to,
-+static unsigned long __size_overflow(3) __copy_user_intel_nocache(void *to,
- const void __user *from, unsigned long size)
- {
- int d0, d1;
-
- __asm__ __volatile__(
- " .align 2,0x90\n"
-- "0: movl 32(%4), %%eax\n"
-+ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
- " cmpl $67, %0\n"
- " jbe 2f\n"
-- "1: movl 64(%4), %%eax\n"
-+ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
- " .align 2,0x90\n"
-- "2: movl 0(%4), %%eax\n"
-- "21: movl 4(%4), %%edx\n"
-+ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
-+ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
- " movnti %%eax, 0(%3)\n"
- " movnti %%edx, 4(%3)\n"
-- "3: movl 8(%4), %%eax\n"
-- "31: movl 12(%4),%%edx\n"
-+ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
-+ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
- " movnti %%eax, 8(%3)\n"
- " movnti %%edx, 12(%3)\n"
-- "4: movl 16(%4), %%eax\n"
-- "41: movl 20(%4), %%edx\n"
-+ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
-+ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
- " movnti %%eax, 16(%3)\n"
- " movnti %%edx, 20(%3)\n"
-- "10: movl 24(%4), %%eax\n"
-- "51: movl 28(%4), %%edx\n"
-+ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
-+ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
- " movnti %%eax, 24(%3)\n"
- " movnti %%edx, 28(%3)\n"
-- "11: movl 32(%4), %%eax\n"
-- "61: movl 36(%4), %%edx\n"
-+ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
-+ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
- " movnti %%eax, 32(%3)\n"
- " movnti %%edx, 36(%3)\n"
-- "12: movl 40(%4), %%eax\n"
-- "71: movl 44(%4), %%edx\n"
-+ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
-+ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
- " movnti %%eax, 40(%3)\n"
- " movnti %%edx, 44(%3)\n"
-- "13: movl 48(%4), %%eax\n"
-- "81: movl 52(%4), %%edx\n"
-+ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
-+ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
- " movnti %%eax, 48(%3)\n"
- " movnti %%edx, 52(%3)\n"
-- "14: movl 56(%4), %%eax\n"
-- "91: movl 60(%4), %%edx\n"
-+ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
-+ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
- " movnti %%eax, 56(%3)\n"
- " movnti %%edx, 60(%3)\n"
- " addl $-64, %0\n"
-@@ -445,9 +553,9 @@ static unsigned long __copy_user_intel_nocache(void *to,
- " shrl $2, %0\n"
- " andl $3, %%eax\n"
- " cld\n"
-- "6: rep; movsl\n"
-+ "6: rep; "__copyuser_seg" movsl\n"
- " movl %%eax,%0\n"
-- "7: rep; movsb\n"
-+ "7: rep; "__copyuser_seg" movsb\n"
- "8:\n"
- ".section .fixup,\"ax\"\n"
- "9: lea 0(%%eax,%0,4),%0\n"
-@@ -487,32 +595,36 @@ static unsigned long __copy_user_intel_nocache(void *to,
- */
- unsigned long __copy_user_zeroing_intel(void *to, const void __user *from,
- unsigned long size);
--unsigned long __copy_user_intel(void __user *to, const void *from,
-+unsigned long __generic_copy_to_user_intel(void __user *to, const void *from,
-+ unsigned long size);
-+unsigned long __generic_copy_from_user_intel(void *to, const void __user *from,
- unsigned long size);
- unsigned long __copy_user_zeroing_intel_nocache(void *to,
- const void __user *from, unsigned long size);
- #endif /* CONFIG_X86_INTEL_USERCOPY */
-
- /* Generic arbitrary sized copy. */
--#define __copy_user(to, from, size) \
-+#define __copy_user(to, from, size, prefix, set, restore) \
- do { \
- int __d0, __d1, __d2; \
- __asm__ __volatile__( \
-+ set \
- " cmp $7,%0\n" \
- " jbe 1f\n" \
- " movl %1,%0\n" \
- " negl %0\n" \
- " andl $7,%0\n" \
- " subl %0,%3\n" \
-- "4: rep; movsb\n" \
-+ "4: rep; "prefix"movsb\n" \
- " movl %3,%0\n" \
- " shrl $2,%0\n" \
- " andl $3,%3\n" \
- " .align 2,0x90\n" \
-- "0: rep; movsl\n" \
-+ "0: rep; "prefix"movsl\n" \
- " movl %3,%0\n" \
-- "1: rep; movsb\n" \
-+ "1: rep; "prefix"movsb\n" \
- "2:\n" \
-+ restore \
- ".section .fixup,\"ax\"\n" \
- "5: addl %3,%0\n" \
- " jmp 2b\n" \
-@@ -537,14 +649,14 @@ do { \
- " negl %0\n" \
- " andl $7,%0\n" \
- " subl %0,%3\n" \
-- "4: rep; movsb\n" \
-+ "4: rep; "__copyuser_seg"movsb\n" \
- " movl %3,%0\n" \
- " shrl $2,%0\n" \
- " andl $3,%3\n" \
- " .align 2,0x90\n" \
-- "0: rep; movsl\n" \
-+ "0: rep; "__copyuser_seg"movsl\n" \
- " movl %3,%0\n" \
-- "1: rep; movsb\n" \
-+ "1: rep; "__copyuser_seg"movsb\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "5: addl %3,%0\n" \
-@@ -627,9 +739,9 @@ survive:
- }
- #endif
- if (movsl_is_ok(to, from, n))
-- __copy_user(to, from, n);
-+ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES);
- else
-- n = __copy_user_intel(to, from, n);
-+ n = __generic_copy_to_user_intel(to, from, n);
- return n;
- }
- EXPORT_SYMBOL(__copy_to_user_ll);
-@@ -649,10 +761,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from,
- unsigned long n)
- {
- if (movsl_is_ok(to, from, n))
-- __copy_user(to, from, n);
-+ __copy_user(to, from, n, __copyuser_seg, "", "");
- else
-- n = __copy_user_intel((void __user *)to,
-- (const void *)from, n);
-+ n = __generic_copy_from_user_intel(to, from, n);
- return n;
- }
- EXPORT_SYMBOL(__copy_from_user_ll_nozero);
-@@ -679,65 +790,50 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr
- if (n > 64 && cpu_has_xmm2)
- n = __copy_user_intel_nocache(to, from, n);
- else
-- __copy_user(to, from, n);
-+ __copy_user(to, from, n, __copyuser_seg, "", "");
- #else
-- __copy_user(to, from, n);
-+ __copy_user(to, from, n, __copyuser_seg, "", "");
- #endif
- return n;
- }
- EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero);
-
--/**
-- * copy_to_user: - Copy a block of data into user space.
-- * @to: Destination address, in user space.
-- * @from: Source address, in kernel space.
-- * @n: Number of bytes to copy.
-- *
-- * Context: User context only. This function may sleep.
-- *
-- * Copy data from kernel space to user space.
-- *
-- * Returns number of bytes that could not be copied.
-- * On success, this will be zero.
-- */
--unsigned long
--copy_to_user(void __user *to, const void *from, unsigned long n)
--{
-- if (access_ok(VERIFY_WRITE, to, n))
-- n = __copy_to_user(to, from, n);
-- return n;
--}
--EXPORT_SYMBOL(copy_to_user);
--
--/**
-- * copy_from_user: - Copy a block of data from user space.
-- * @to: Destination address, in kernel space.
-- * @from: Source address, in user space.
-- * @n: Number of bytes to copy.
-- *
-- * Context: User context only. This function may sleep.
-- *
-- * Copy data from user space to kernel space.
-- *
-- * Returns number of bytes that could not be copied.
-- * On success, this will be zero.
-- *
-- * If some data could not be copied, this function will pad the copied
-- * data to the requested size using zero bytes.
-- */
--unsigned long
--_copy_from_user(void *to, const void __user *from, unsigned long n)
--{
-- if (access_ok(VERIFY_READ, from, n))
-- n = __copy_from_user(to, from, n);
-- else
-- memset(to, 0, n);
-- return n;
--}
--EXPORT_SYMBOL(_copy_from_user);
--
- void copy_from_user_overflow(void)
- {
- WARN(1, "Buffer overflow detected!\n");
- }
- EXPORT_SYMBOL(copy_from_user_overflow);
-+
-+void copy_to_user_overflow(void)
-+{
-+ WARN(1, "Buffer overflow detected!\n");
-+}
-+EXPORT_SYMBOL(copy_to_user_overflow);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+void __set_fs(mm_segment_t x)
-+{
-+ switch (x.seg) {
-+ case 0:
-+ loadsegment(gs, 0);
-+ break;
-+ case TASK_SIZE_MAX:
-+ loadsegment(gs, __USER_DS);
-+ break;
-+ case -1UL:
-+ loadsegment(gs, __KERNEL_DS);
-+ break;
-+ default:
-+ BUG();
-+ }
-+ return;
-+}
-+EXPORT_SYMBOL(__set_fs);
-+
-+void set_fs(mm_segment_t x)
-+{
-+ current_thread_info()->addr_limit = x;
-+ __set_fs(x);
-+}
-+EXPORT_SYMBOL(set_fs);
-+#endif
-diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
-index e5b130b..6690d31 100644
---- a/arch/x86/lib/usercopy_64.c
-+++ b/arch/x86/lib/usercopy_64.c
-@@ -16,6 +16,12 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
- {
- long __d0;
- might_fault();
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)addr < PAX_USER_SHADOW_BASE)
-+ addr += PAX_USER_SHADOW_BASE;
-+#endif
-+
- /* no memory constraint because it doesn't change any memory gcc knows
- about */
- asm volatile(
-@@ -52,12 +58,20 @@ unsigned long clear_user(void __user *to, unsigned long n)
- }
- EXPORT_SYMBOL(clear_user);
-
--unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len)
-+unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len)
- {
-- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
-- return copy_user_generic((__force void *)to, (__force void *)from, len);
-- }
-- return len;
-+ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+ if ((unsigned long)to < PAX_USER_SHADOW_BASE)
-+ to += PAX_USER_SHADOW_BASE;
-+ if ((unsigned long)from < PAX_USER_SHADOW_BASE)
-+ from += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+ return copy_user_generic((void __force_kernel *)to, (void __force_kernel *)from, len);
-+ }
-+ return len;
- }
- EXPORT_SYMBOL(copy_in_user);
-
-@@ -67,7 +81,7 @@ EXPORT_SYMBOL(copy_in_user);
- * it is not necessary to optimize tail handling.
- */
- unsigned long
--copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
-+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest)
- {
- char c;
- unsigned zero_len;
-@@ -84,3 +98,15 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
- break;
- return len;
- }
-+
-+void copy_from_user_overflow(void)
-+{
-+ WARN(1, "Buffer overflow detected!\n");
-+}
-+EXPORT_SYMBOL(copy_from_user_overflow);
-+
-+void copy_to_user_overflow(void)
-+{
-+ WARN(1, "Buffer overflow detected!\n");
-+}
-+EXPORT_SYMBOL(copy_to_user_overflow);
-diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
-index 903ec1e..af8e064 100644
---- a/arch/x86/mm/extable.c
-+++ b/arch/x86/mm/extable.c
-@@ -6,12 +6,24 @@
- static inline unsigned long
- ex_insn_addr(const struct exception_table_entry *x)
- {
-- return (unsigned long)&x->insn + x->insn;
-+ unsigned long reloc = 0;
-+
-+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_X86_32)
-+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+#endif
-+
-+ return (unsigned long)&x->insn + x->insn + reloc;
- }
- static inline unsigned long
- ex_fixup_addr(const struct exception_table_entry *x)
- {
-- return (unsigned long)&x->fixup + x->fixup;
-+ unsigned long reloc = 0;
-+
-+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_X86_32)
-+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
-+#endif
-+
-+ return (unsigned long)&x->fixup + x->fixup + reloc;
- }
-
- int fixup_exception(struct pt_regs *regs)
-@@ -20,7 +32,7 @@ int fixup_exception(struct pt_regs *regs)
- unsigned long new_ip;
-
- #ifdef CONFIG_PNPBIOS
-- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) {
-+ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) {
- extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
- extern u32 pnp_bios_is_utter_crap;
- pnp_bios_is_utter_crap = 1;
-diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
-index 76dcd9d..e9dffde 100644
---- a/arch/x86/mm/fault.c
-+++ b/arch/x86/mm/fault.c
-@@ -13,11 +13,18 @@
- #include <linux/perf_event.h> /* perf_sw_event */
- #include <linux/hugetlb.h> /* hstate_index_to_shift */
- #include <linux/prefetch.h> /* prefetchw */
-+#include <linux/unistd.h>
-+#include <linux/compiler.h>
-
- #include <asm/traps.h> /* dotraplinkage, ... */
- #include <asm/pgalloc.h> /* pgd_*(), ... */
- #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */
- #include <asm/fixmap.h> /* VSYSCALL_START */
-+#include <asm/tlbflush.h>
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+#include <asm/stacktrace.h>
-+#endif
-
- /*
- * Page fault error code bits:
-@@ -55,7 +62,7 @@ static inline int __kprobes notify_page_fault(struct pt_regs *regs)
- int ret = 0;
-
- /* kprobe_running() needs smp_processor_id() */
-- if (kprobes_built_in() && !user_mode_vm(regs)) {
-+ if (kprobes_built_in() && !user_mode(regs)) {
- preempt_disable();
- if (kprobe_running() && kprobe_fault_handler(regs, 14))
- ret = 1;
-@@ -116,7 +123,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
- return !instr_lo || (instr_lo>>1) == 1;
- case 0x00:
- /* Prefetch instruction is 0x0F0D or 0x0F18 */
-- if (probe_kernel_address(instr, opcode))
-+ if (user_mode(regs)) {
-+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
-+ return 0;
-+ } else if (probe_kernel_address(instr, opcode))
- return 0;
-
- *prefetch = (instr_lo == 0xF) &&
-@@ -150,7 +160,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr)
- while (instr < max_instr) {
- unsigned char opcode;
-
-- if (probe_kernel_address(instr, opcode))
-+ if (user_mode(regs)) {
-+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
-+ break;
-+ } else if (probe_kernel_address(instr, opcode))
- break;
-
- instr++;
-@@ -181,6 +194,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
- force_sig_info(si_signo, &info, tsk);
- }
-
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address);
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+static int pax_handle_fetch_fault(struct pt_regs *regs);
-+#endif
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address)
-+{
-+ pgd_t *pgd;
-+ pud_t *pud;
-+ pmd_t *pmd;
-+
-+ pgd = pgd_offset(mm, address);
-+ if (!pgd_present(*pgd))
-+ return NULL;
-+ pud = pud_offset(pgd, address);
-+ if (!pud_present(*pud))
-+ return NULL;
-+ pmd = pmd_offset(pud, address);
-+ if (!pmd_present(*pmd))
-+ return NULL;
-+ return pmd;
-+}
-+#endif
-+
- DEFINE_SPINLOCK(pgd_lock);
- LIST_HEAD(pgd_list);
-
-@@ -231,10 +272,22 @@ void vmalloc_sync_all(void)
- for (address = VMALLOC_START & PMD_MASK;
- address >= TASK_SIZE && address < FIXADDR_TOP;
- address += PMD_SIZE) {
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ unsigned long cpu;
-+#else
- struct page *page;
-+#endif
-
- spin_lock(&pgd_lock);
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
-+ pgd_t *pgd = get_cpu_pgd(cpu);
-+ pmd_t *ret;
-+#else
- list_for_each_entry(page, &pgd_list, lru) {
-+ pgd_t *pgd = page_address(page);
- spinlock_t *pgt_lock;
- pmd_t *ret;
-
-@@ -242,8 +295,13 @@ void vmalloc_sync_all(void)
- pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
-
- spin_lock(pgt_lock);
-- ret = vmalloc_sync_one(page_address(page), address);
-+#endif
-+
-+ ret = vmalloc_sync_one(pgd, address);
-+
-+#ifndef CONFIG_PAX_PER_CPU_PGD
- spin_unlock(pgt_lock);
-+#endif
-
- if (!ret)
- break;
-@@ -277,6 +335,11 @@ static noinline __kprobes int vmalloc_fault(unsigned long address)
- * an interrupt in the middle of a task switch..
- */
- pgd_paddr = read_cr3();
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (pgd_paddr & PHYSICAL_PAGE_MASK));
-+#endif
-+
- pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
- if (!pmd_k)
- return -1;
-@@ -372,7 +435,14 @@ static noinline __kprobes int vmalloc_fault(unsigned long address)
- * happen within a race in page table update. In the later
- * case just flush:
- */
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (read_cr3() & PHYSICAL_PAGE_MASK));
-+ pgd = pgd_offset_cpu(smp_processor_id(), address);
-+#else
- pgd = pgd_offset(current->active_mm, address);
-+#endif
-+
- pgd_ref = pgd_offset_k(address);
- if (pgd_none(*pgd_ref))
- return -1;
-@@ -540,7 +610,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address)
- static int is_errata100(struct pt_regs *regs, unsigned long address)
- {
- #ifdef CONFIG_X86_64
-- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32))
-+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32))
- return 1;
- #endif
- return 0;
-@@ -567,7 +637,7 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
- }
-
- static const char nx_warning[] = KERN_CRIT
--"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n";
-+"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n";
-
- static void
- show_fault_oops(struct pt_regs *regs, unsigned long error_code,
-@@ -576,15 +646,26 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
- if (!oops_may_print())
- return;
-
-- if (error_code & PF_INSTR) {
-+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) {
- unsigned int level;
-
- pte_t *pte = lookup_address(address, &level);
-
- if (pte && pte_present(*pte) && !pte_exec(*pte))
-- printk(nx_warning, from_kuid(&init_user_ns, current_uid()));
-+ printk(nx_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current));
- }
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ if (init_mm.start_code <= address && address < init_mm.end_code) {
-+ if (current->signal->curr_ip)
-+ printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n",
-+ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid());
-+ else
-+ printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n",
-+ current->comm, task_pid_nr(current), current_uid(), current_euid());
-+ }
-+#endif
-+
- printk(KERN_ALERT "BUG: unable to handle kernel ");
- if (address < PAGE_SIZE)
- printk(KERN_CONT "NULL pointer dereference");
-@@ -748,6 +829,21 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
- }
- #endif
-
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ if (pax_is_fetch_fault(regs, error_code, address)) {
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ switch (pax_handle_fetch_fault(regs)) {
-+ case 2:
-+ return;
-+ }
-+#endif
-+
-+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
-+ do_group_exit(SIGKILL);
-+ }
-+#endif
-+
- if (unlikely(show_unhandled_signals))
- show_signal_msg(regs, error_code, address, tsk);
-
-@@ -844,7 +940,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
- if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
- printk(KERN_ERR
- "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
-- tsk->comm, tsk->pid, address);
-+ tsk->comm, task_pid_nr(tsk), address);
- code = BUS_MCEERR_AR;
- }
- #endif
-@@ -900,6 +996,99 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte)
- return 1;
- }
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
-+static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code)
-+{
-+ pte_t *pte;
-+ pmd_t *pmd;
-+ spinlock_t *ptl;
-+ unsigned char pte_mask;
-+
-+ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) ||
-+ !(mm->pax_flags & MF_PAX_PAGEEXEC))
-+ return 0;
-+
-+ /* PaX: it's our fault, let's handle it if we can */
-+
-+ /* PaX: take a look at read faults before acquiring any locks */
-+ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) {
-+ /* instruction fetch attempt from a protected page in user mode */
-+ up_read(&mm->mmap_sem);
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ switch (pax_handle_fetch_fault(regs)) {
-+ case 2:
-+ return 1;
-+ }
-+#endif
-+
-+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
-+ do_group_exit(SIGKILL);
-+ }
-+
-+ pmd = pax_get_pmd(mm, address);
-+ if (unlikely(!pmd))
-+ return 0;
-+
-+ pte = pte_offset_map_lock(mm, pmd, address, &ptl);
-+ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) {
-+ pte_unmap_unlock(pte, ptl);
-+ return 0;
-+ }
-+
-+ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) {
-+ /* write attempt to a protected page in user mode */
-+ pte_unmap_unlock(pte, ptl);
-+ return 0;
-+ }
-+
-+#ifdef CONFIG_SMP
-+ if (likely(address > get_limit(regs->cs) && cpu_isset(smp_processor_id(), mm->context.cpu_user_cs_mask)))
-+#else
-+ if (likely(address > get_limit(regs->cs)))
-+#endif
-+ {
-+ set_pte(pte, pte_mkread(*pte));
-+ __flush_tlb_one(address);
-+ pte_unmap_unlock(pte, ptl);
-+ up_read(&mm->mmap_sem);
-+ return 1;
-+ }
-+
-+ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1));
-+
-+ /*
-+ * PaX: fill DTLB with user rights and retry
-+ */
-+ __asm__ __volatile__ (
-+ "orb %2,(%1)\n"
-+#if defined(CONFIG_M586) || defined(CONFIG_M586TSC)
-+/*
-+ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's
-+ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any*
-+ * page fault when examined during a TLB load attempt. this is true not only
-+ * for PTEs holding a non-present entry but also present entries that will
-+ * raise a page fault (such as those set up by PaX, or the copy-on-write
-+ * mechanism). in effect it means that we do *not* need to flush the TLBs
-+ * for our target pages since their PTEs are simply not in the TLBs at all.
-+
-+ * the best thing in omitting it is that we gain around 15-20% speed in the
-+ * fast path of the page fault handler and can get rid of tracing since we
-+ * can no longer flush unintended entries.
-+ */
-+ "invlpg (%0)\n"
-+#endif
-+ __copyuser_seg"testb $0,(%0)\n"
-+ "xorb %3,(%1)\n"
-+ :
-+ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER)
-+ : "memory", "cc");
-+ pte_unmap_unlock(pte, ptl);
-+ up_read(&mm->mmap_sem);
-+ return 1;
-+}
-+#endif
-+
- /*
- * Handle a spurious fault caused by a stale TLB entry.
- *
-@@ -972,6 +1161,9 @@ int show_unhandled_signals = 1;
- static inline int
- access_error(unsigned long error_code, struct vm_area_struct *vma)
- {
-+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC))
-+ return 1;
-+
- if (error_code & PF_WRITE) {
- /* write, present and write, not present: */
- if (unlikely(!(vma->vm_flags & VM_WRITE)))
-@@ -1005,18 +1197,33 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
- {
- struct vm_area_struct *vma;
- struct task_struct *tsk;
-- unsigned long address;
- struct mm_struct *mm;
- int fault;
- int write = error_code & PF_WRITE;
- unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
- (write ? FAULT_FLAG_WRITE : 0);
-
-- tsk = current;
-- mm = tsk->mm;
--
- /* Get the faulting address: */
-- address = read_cr2();
-+ unsigned long address = read_cr2();
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ if (!user_mode(regs) && address < 2 * PAX_USER_SHADOW_BASE) {
-+ if (!search_exception_tables(regs->ip)) {
-+ printk(KERN_ERR "PAX: please report this to pageexec(a)freemail.hu\n");
-+ bad_area_nosemaphore(regs, error_code, address);
-+ return;
-+ }
-+ if (address < PAX_USER_SHADOW_BASE) {
-+ printk(KERN_ERR "PAX: please report this to pageexec(a)freemail.hu\n");
-+ printk(KERN_ERR "PAX: faulting IP: %pS\n", (void *)regs->ip);
-+ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_ERR);
-+ } else
-+ address -= PAX_USER_SHADOW_BASE;
-+ }
-+#endif
-+
-+ tsk = current;
-+ mm = tsk->mm;
-
- /*
- * Detect and handle instructions that would cause a page fault for
-@@ -1077,7 +1284,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
- * User-mode registers count as a user access even for any
- * potential system fault or CPU buglet:
- */
-- if (user_mode_vm(regs)) {
-+ if (user_mode(regs)) {
- local_irq_enable();
- error_code |= PF_USER;
- } else {
-@@ -1132,6 +1339,11 @@ retry:
- might_sleep();
- }
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
-+ if (pax_handle_pageexec_fault(regs, mm, address, error_code))
-+ return;
-+#endif
-+
- vma = find_vma(mm, address);
- if (unlikely(!vma)) {
- bad_area(regs, error_code, address);
-@@ -1143,18 +1355,24 @@ retry:
- bad_area(regs, error_code, address);
- return;
- }
-- if (error_code & PF_USER) {
-- /*
-- * Accessing the stack below %sp is always a bug.
-- * The large cushion allows instructions like enter
-- * and pusha to work. ("enter $65535, $31" pushes
-- * 32 pointers and then decrements %sp by 65535.)
-- */
-- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) {
-- bad_area(regs, error_code, address);
-- return;
-- }
-+ /*
-+ * Accessing the stack below %sp is always a bug.
-+ * The large cushion allows instructions like enter
-+ * and pusha to work. ("enter $65535, $31" pushes
-+ * 32 pointers and then decrements %sp by 65535.)
-+ */
-+ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) {
-+ bad_area(regs, error_code, address);
-+ return;
- }
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) {
-+ bad_area(regs, error_code, address);
-+ return;
-+ }
-+#endif
-+
- if (unlikely(expand_stack(vma, address))) {
- bad_area(regs, error_code, address);
- return;
-@@ -1209,3 +1427,292 @@ good_area:
-
- up_read(&mm->mmap_sem);
- }
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address)
-+{
-+ struct mm_struct *mm = current->mm;
-+ unsigned long ip = regs->ip;
-+
-+ if (v8086_mode(regs))
-+ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff);
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
-+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR))
-+ return true;
-+ if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address)
-+ return true;
-+ return false;
-+ }
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address))
-+ return true;
-+ return false;
-+ }
-+#endif
-+
-+ return false;
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+static int pax_handle_fetch_fault_32(struct pt_regs *regs)
-+{
-+ int err;
-+
-+ do { /* PaX: libffi trampoline emulation */
-+ unsigned char mov, jmp;
-+ unsigned int addr1, addr2;
-+
-+#ifdef CONFIG_X86_64
-+ if ((regs->ip + 9) >> 32)
-+ break;
-+#endif
-+
-+ err = get_user(mov, (unsigned char __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
-+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
-+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
-+
-+ if (err)
-+ break;
-+
-+ if (mov == 0xB8 && jmp == 0xE9) {
-+ regs->ax = addr1;
-+ regs->ip = (unsigned int)(regs->ip + addr2 + 10);
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: gcc trampoline emulation #1 */
-+ unsigned char mov1, mov2;
-+ unsigned short jmp;
-+ unsigned int addr1, addr2;
-+
-+#ifdef CONFIG_X86_64
-+ if ((regs->ip + 11) >> 32)
-+ break;
-+#endif
-+
-+ err = get_user(mov1, (unsigned char __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
-+ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5));
-+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
-+ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10));
-+
-+ if (err)
-+ break;
-+
-+ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) {
-+ regs->cx = addr1;
-+ regs->ax = addr2;
-+ regs->ip = addr2;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: gcc trampoline emulation #2 */
-+ unsigned char mov, jmp;
-+ unsigned int addr1, addr2;
-+
-+#ifdef CONFIG_X86_64
-+ if ((regs->ip + 9) >> 32)
-+ break;
-+#endif
-+
-+ err = get_user(mov, (unsigned char __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
-+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
-+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
-+
-+ if (err)
-+ break;
-+
-+ if (mov == 0xB9 && jmp == 0xE9) {
-+ regs->cx = addr1;
-+ regs->ip = (unsigned int)(regs->ip + addr2 + 10);
-+ return 2;
-+ }
-+ } while (0);
-+
-+ return 1; /* PaX in action */
-+}
-+
-+#ifdef CONFIG_X86_64
-+static int pax_handle_fetch_fault_64(struct pt_regs *regs)
-+{
-+ int err;
-+
-+ do { /* PaX: libffi trampoline emulation */
-+ unsigned short mov1, mov2, jmp1;
-+ unsigned char stcclc, jmp2;
-+ unsigned long addr1, addr2;
-+
-+ err = get_user(mov1, (unsigned short __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
-+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
-+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
-+ err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20));
-+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21));
-+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23));
-+
-+ if (err)
-+ break;
-+
-+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) {
-+ regs->r11 = addr1;
-+ regs->r10 = addr2;
-+ if (stcclc == 0xF8)
-+ regs->flags &= ~X86_EFLAGS_CF;
-+ else
-+ regs->flags |= X86_EFLAGS_CF;
-+ regs->ip = addr1;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: gcc trampoline emulation #1 */
-+ unsigned short mov1, mov2, jmp1;
-+ unsigned char jmp2;
-+ unsigned int addr1;
-+ unsigned long addr2;
-+
-+ err = get_user(mov1, (unsigned short __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2));
-+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6));
-+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8));
-+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16));
-+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18));
-+
-+ if (err)
-+ break;
-+
-+ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
-+ regs->r11 = addr1;
-+ regs->r10 = addr2;
-+ regs->ip = addr1;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ do { /* PaX: gcc trampoline emulation #2 */
-+ unsigned short mov1, mov2, jmp1;
-+ unsigned char jmp2;
-+ unsigned long addr1, addr2;
-+
-+ err = get_user(mov1, (unsigned short __user *)regs->ip);
-+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
-+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
-+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
-+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20));
-+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22));
-+
-+ if (err)
-+ break;
-+
-+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
-+ regs->r11 = addr1;
-+ regs->r10 = addr2;
-+ regs->ip = addr1;
-+ return 2;
-+ }
-+ } while (0);
-+
-+ return 1; /* PaX in action */
-+}
-+#endif
-+
-+/*
-+ * PaX: decide what to do with offenders (regs->ip = fault address)
-+ *
-+ * returns 1 when task should be killed
-+ * 2 when gcc trampoline was detected
-+ */
-+static int pax_handle_fetch_fault(struct pt_regs *regs)
-+{
-+ if (v8086_mode(regs))
-+ return 1;
-+
-+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
-+ return 1;
-+
-+#ifdef CONFIG_X86_32
-+ return pax_handle_fetch_fault_32(regs);
-+#else
-+ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))
-+ return pax_handle_fetch_fault_32(regs);
-+ else
-+ return pax_handle_fetch_fault_64(regs);
-+#endif
-+}
-+#endif
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ long i;
-+
-+ printk(KERN_ERR "PAX: bytes at PC: ");
-+ for (i = 0; i < 20; i++) {
-+ unsigned char c;
-+ if (get_user(c, (unsigned char __force_user *)pc+i))
-+ printk(KERN_CONT "?? ");
-+ else
-+ printk(KERN_CONT "%02x ", c);
-+ }
-+ printk("\n");
-+
-+ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long));
-+ for (i = -1; i < 80 / (long)sizeof(long); i++) {
-+ unsigned long c;
-+ if (get_user(c, (unsigned long __force_user *)sp+i)) {
-+#ifdef CONFIG_X86_32
-+ printk(KERN_CONT "???????? ");
-+#else
-+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)))
-+ printk(KERN_CONT "???????? ???????? ");
-+ else
-+ printk(KERN_CONT "???????????????? ");
-+#endif
-+ } else {
-+#ifdef CONFIG_X86_64
-+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) {
-+ printk(KERN_CONT "%08x ", (unsigned int)c);
-+ printk(KERN_CONT "%08x ", (unsigned int)(c >> 32));
-+ } else
-+#endif
-+ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c);
-+ }
-+ }
-+ printk("\n");
-+}
-+#endif
-+
-+/**
-+ * probe_kernel_write(): safely attempt to write to a location
-+ * @dst: address to write to
-+ * @src: pointer to the data that shall be written
-+ * @size: size of the data chunk
-+ *
-+ * Safely write to address @dst from the buffer at @src. If a kernel fault
-+ * happens, handle that and return -EFAULT.
-+ */
-+long notrace probe_kernel_write(void *dst, const void *src, size_t size)
-+{
-+ long ret;
-+ mm_segment_t old_fs = get_fs();
-+
-+ set_fs(KERNEL_DS);
-+ pagefault_disable();
-+ pax_open_kernel();
-+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
-+ pax_close_kernel();
-+ pagefault_enable();
-+ set_fs(old_fs);
-+
-+ return ret ? -EFAULT : 0;
-+}
-diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
-index dd74e46..7d26398 100644
---- a/arch/x86/mm/gup.c
-+++ b/arch/x86/mm/gup.c
-@@ -255,7 +255,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
- addr = start;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
- end = start + len;
-- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
-+ if (unlikely(!__access_ok(write ? VERIFY_WRITE : VERIFY_READ,
- (void __user *)start, len)))
- return 0;
-
-diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
-index 6f31ee5..8ee4164 100644
---- a/arch/x86/mm/highmem_32.c
-+++ b/arch/x86/mm/highmem_32.c
-@@ -44,7 +44,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot)
- idx = type + KM_TYPE_NR*smp_processor_id();
- vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
- BUG_ON(!pte_none(*(kmap_pte-idx)));
-+
-+ pax_open_kernel();
- set_pte(kmap_pte-idx, mk_pte(page, prot));
-+ pax_close_kernel();
-+
- arch_flush_lazy_mmu_mode();
-
- return (void *)vaddr;
-diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
-index f6679a7..8f795a3 100644
---- a/arch/x86/mm/hugetlbpage.c
-+++ b/arch/x86/mm/hugetlbpage.c
-@@ -266,13 +266,20 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
- struct hstate *h = hstate_file(file);
- struct mm_struct *mm = current->mm;
- struct vm_area_struct *vma;
-- unsigned long start_addr;
-+ unsigned long start_addr, pax_task_size = TASK_SIZE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-
- if (len > mm->cached_hole_size) {
-- start_addr = mm->free_area_cache;
-+ start_addr = mm->free_area_cache;
- } else {
-- start_addr = TASK_UNMAPPED_BASE;
-- mm->cached_hole_size = 0;
-+ start_addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
- }
-
- full_search:
-@@ -280,26 +287,27 @@ full_search:
-
- for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
- /* At this point: (!vma || addr < vma->vm_end). */
-- if (TASK_SIZE - len < addr) {
-+ if (pax_task_size - len < addr) {
- /*
- * Start a new search - just in case we missed
- * some holes.
- */
-- if (start_addr != TASK_UNMAPPED_BASE) {
-- start_addr = TASK_UNMAPPED_BASE;
-+ if (start_addr != mm->mmap_base) {
-+ start_addr = mm->mmap_base;
- mm->cached_hole_size = 0;
- goto full_search;
- }
- return -ENOMEM;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-- mm->free_area_cache = addr + len;
-- return addr;
-- }
-+ if (check_heap_stack_gap(vma, addr, len))
-+ break;
- if (addr + mm->cached_hole_size < vma->vm_start)
- mm->cached_hole_size = vma->vm_start - addr;
- addr = ALIGN(vma->vm_end, huge_page_size(h));
- }
-+
-+ mm->free_area_cache = addr + len;
-+ return addr;
- }
-
- static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
-@@ -310,9 +318,8 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
- struct mm_struct *mm = current->mm;
- struct vm_area_struct *vma;
- unsigned long base = mm->mmap_base;
-- unsigned long addr = addr0;
-+ unsigned long addr;
- unsigned long largest_hole = mm->cached_hole_size;
-- unsigned long start_addr;
-
- /* don't allow allocations above current base */
- if (mm->free_area_cache > base)
-@@ -322,16 +329,15 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
- largest_hole = 0;
- mm->free_area_cache = base;
- }
--try_again:
-- start_addr = mm->free_area_cache;
-
- /* make sure it can fit in the remaining address space */
- if (mm->free_area_cache < len)
- goto fail;
-
- /* either no address requested or can't fit in requested address hole */
-- addr = (mm->free_area_cache - len) & huge_page_mask(h);
-+ addr = mm->free_area_cache - len;
- do {
-+ addr &= huge_page_mask(h);
- /*
- * Lookup failure means no vma is above this address,
- * i.e. return with success:
-@@ -340,10 +346,10 @@ try_again:
- if (!vma)
- return addr;
-
-- if (addr + len <= vma->vm_start) {
-+ if (check_heap_stack_gap(vma, addr, len)) {
- /* remember the address as a hint for next time */
-- mm->cached_hole_size = largest_hole;
-- return (mm->free_area_cache = addr);
-+ mm->cached_hole_size = largest_hole;
-+ return (mm->free_area_cache = addr);
- } else if (mm->free_area_cache == vma->vm_end) {
- /* pull free_area_cache down to the first hole */
- mm->free_area_cache = vma->vm_start;
-@@ -352,29 +358,34 @@ try_again:
-
- /* remember the largest hole we saw so far */
- if (addr + largest_hole < vma->vm_start)
-- largest_hole = vma->vm_start - addr;
-+ largest_hole = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = (vma->vm_start - len) & huge_page_mask(h);
-- } while (len <= vma->vm_start);
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- fail:
- /*
-- * if hint left us with no space for the requested
-- * mapping then try again:
-- */
-- if (start_addr != base) {
-- mm->free_area_cache = base;
-- largest_hole = 0;
-- goto try_again;
-- }
-- /*
- * A failed mmap() very likely causes application failure,
- * so fall back to the bottom-up function here. This scenario
- * can happen with large stack limits and large mmap()
- * allocations.
- */
-- mm->free_area_cache = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE;
-+ else
-+#endif
-+
-+ mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
-+ mm->free_area_cache = mm->mmap_base;
- mm->cached_hole_size = ~0UL;
- addr = hugetlb_get_unmapped_area_bottomup(file, addr0,
- len, pgoff, flags);
-@@ -382,6 +393,7 @@ fail:
- /*
- * Restore the topdown base:
- */
-+ mm->mmap_base = base;
- mm->free_area_cache = base;
- mm->cached_hole_size = ~0UL;
-
-@@ -395,10 +407,19 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
- struct hstate *h = hstate_file(file);
- struct mm_struct *mm = current->mm;
- struct vm_area_struct *vma;
-+ unsigned long pax_task_size = TASK_SIZE;
-
- if (len & ~huge_page_mask(h))
- return -EINVAL;
-- if (len > TASK_SIZE)
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-+
-+ if (len > pax_task_size)
- return -ENOMEM;
-
- if (flags & MAP_FIXED) {
-@@ -410,8 +431,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
- if (addr) {
- addr = ALIGN(addr, huge_page_size(h));
- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-+ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
- return addr;
- }
- if (mm->get_unmapped_area == arch_get_unmapped_area)
-diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
-index bc4e9d8..ca4c14b 100644
---- a/arch/x86/mm/init.c
-+++ b/arch/x86/mm/init.c
-@@ -16,6 +16,8 @@
- #include <asm/tlb.h>
- #include <asm/proto.h>
- #include <asm/dma.h> /* for MAX_DMA_PFN */
-+#include <asm/desc.h>
-+#include <asm/bios_ebda.h>
-
- unsigned long __initdata pgt_buf_start;
- unsigned long __meminitdata pgt_buf_end;
-@@ -38,7 +40,7 @@ struct map_range {
- static void __init find_early_table_space(struct map_range *mr, unsigned long end,
- int use_pse, int use_gbpages)
- {
-- unsigned long puds, pmds, ptes, tables, start = 0, good_end = end;
-+ unsigned long puds, pmds, ptes, tables, start = 0x100000, good_end = end;
- phys_addr_t base;
-
- puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
-@@ -317,10 +319,37 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
- * Access has to be given to non-kernel-ram areas as well, these contain the PCI
- * mmio resources as well as potential bios/acpi data regions.
- */
-+
-+#ifdef CONFIG_GRKERNSEC_KMEM
-+static unsigned int ebda_start __read_only;
-+static unsigned int ebda_end __read_only;
-+#endif
-+
- int devmem_is_allowed(unsigned long pagenr)
- {
-+#ifdef CONFIG_GRKERNSEC_KMEM
-+ /* allow BDA */
-+ if (!pagenr)
-+ return 1;
-+ /* allow EBDA */
-+ if (pagenr >= ebda_start && pagenr < ebda_end)
-+ return 1;
-+#else
-+ if (!pagenr)
-+ return 1;
-+#ifdef CONFIG_VM86
-+ if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT))
-+ return 1;
-+#endif
-+#endif
-+
-+ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT))
-+ return 1;
-+#ifdef CONFIG_GRKERNSEC_KMEM
-+ /* throw out everything else below 1MB */
- if (pagenr <= 256)
-- return 1;
-+ return 0;
-+#endif
- if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
- return 0;
- if (!page_is_ram(pagenr))
-@@ -377,8 +406,116 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
- #endif
- }
-
-+#ifdef CONFIG_GRKERNSEC_KMEM
-+static inline void gr_init_ebda(void)
-+{
-+ unsigned int ebda_addr;
-+ unsigned int ebda_size = 0;
-+
-+ ebda_addr = get_bios_ebda();
-+ if (ebda_addr) {
-+ ebda_size = *(unsigned char *)phys_to_virt(ebda_addr);
-+ ebda_size <<= 10;
-+ }
-+ if (ebda_addr && ebda_size) {
-+ ebda_start = ebda_addr >> PAGE_SHIFT;
-+ ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT;
-+ } else {
-+ ebda_start = 0x9f000 >> PAGE_SHIFT;
-+ ebda_end = 0xa0000 >> PAGE_SHIFT;
-+ }
-+}
-+#else
-+static inline void gr_init_ebda(void) { }
-+#endif
-+
- void free_initmem(void)
- {
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifdef CONFIG_X86_32
-+ /* PaX: limit KERNEL_CS to actual size */
-+ unsigned long addr, limit;
-+ struct desc_struct d;
-+ int cpu;
-+#else
-+ pgd_t *pgd;
-+ pud_t *pud;
-+ pmd_t *pmd;
-+ unsigned long addr, end;
-+#endif
-+#endif
-+
-+ gr_init_ebda();
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifdef CONFIG_X86_32
-+ limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext;
-+ limit = (limit - 1UL) >> PAGE_SHIFT;
-+
-+ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE);
-+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
-+ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC);
-+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S);
-+ }
-+
-+ /* PaX: make KERNEL_CS read-only */
-+ addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text));
-+ if (!paravirt_enabled())
-+ set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT);
-+/*
-+ for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) {
-+ pgd = pgd_offset_k(addr);
-+ pud = pud_offset(pgd, addr);
-+ pmd = pmd_offset(pud, addr);
-+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
-+ }
-+*/
-+#ifdef CONFIG_X86_PAE
-+ set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT);
-+/*
-+ for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) {
-+ pgd = pgd_offset_k(addr);
-+ pud = pud_offset(pgd, addr);
-+ pmd = pmd_offset(pud, addr);
-+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
-+ }
-+*/
-+#endif
-+
-+#ifdef CONFIG_MODULES
-+ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT);
-+#endif
-+
-+#else
-+ /* PaX: make kernel code/rodata read-only, rest non-executable */
-+ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) {
-+ pgd = pgd_offset_k(addr);
-+ pud = pud_offset(pgd, addr);
-+ pmd = pmd_offset(pud, addr);
-+ if (!pmd_present(*pmd))
-+ continue;
-+ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata)
-+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
-+ else
-+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
-+ }
-+
-+ addr = (unsigned long)__va(__pa(__START_KERNEL_map));
-+ end = addr + KERNEL_IMAGE_SIZE;
-+ for (; addr < end; addr += PMD_SIZE) {
-+ pgd = pgd_offset_k(addr);
-+ pud = pud_offset(pgd, addr);
-+ pmd = pmd_offset(pud, addr);
-+ if (!pmd_present(*pmd))
-+ continue;
-+ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata)))
-+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
-+ }
-+#endif
-+
-+ flush_tlb_all();
-+#endif
-+
- free_init_pages("unused kernel memory",
- (unsigned long)(&__init_begin),
- (unsigned long)(&__init_end));
-diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
-index 575d86f..4987469 100644
---- a/arch/x86/mm/init_32.c
-+++ b/arch/x86/mm/init_32.c
-@@ -73,36 +73,6 @@ static __init void *alloc_low_page(void)
- }
-
- /*
-- * Creates a middle page table and puts a pointer to it in the
-- * given global directory entry. This only returns the gd entry
-- * in non-PAE compilation mode, since the middle layer is folded.
-- */
--static pmd_t * __init one_md_table_init(pgd_t *pgd)
--{
-- pud_t *pud;
-- pmd_t *pmd_table;
--
--#ifdef CONFIG_X86_PAE
-- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) {
-- if (after_bootmem)
-- pmd_table = (pmd_t *)alloc_bootmem_pages(PAGE_SIZE);
-- else
-- pmd_table = (pmd_t *)alloc_low_page();
-- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT);
-- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
-- pud = pud_offset(pgd, 0);
-- BUG_ON(pmd_table != pmd_offset(pud, 0));
--
-- return pmd_table;
-- }
--#endif
-- pud = pud_offset(pgd, 0);
-- pmd_table = pmd_offset(pud, 0);
--
-- return pmd_table;
--}
--
--/*
- * Create a page table and place a pointer to it in a middle page
- * directory entry:
- */
-@@ -122,13 +92,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
- page_table = (pte_t *)alloc_low_page();
-
- paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT);
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE));
-+#else
- set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
-+#endif
- BUG_ON(page_table != pte_offset_kernel(pmd, 0));
- }
-
- return pte_offset_kernel(pmd, 0);
- }
-
-+static pmd_t * __init one_md_table_init(pgd_t *pgd)
-+{
-+ pud_t *pud;
-+ pmd_t *pmd_table;
-+
-+ pud = pud_offset(pgd, 0);
-+ pmd_table = pmd_offset(pud, 0);
-+
-+ return pmd_table;
-+}
-+
- pmd_t * __init populate_extra_pmd(unsigned long vaddr)
- {
- int pgd_idx = pgd_index(vaddr);
-@@ -202,6 +187,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
- int pgd_idx, pmd_idx;
- unsigned long vaddr;
- pgd_t *pgd;
-+ pud_t *pud;
- pmd_t *pmd;
- pte_t *pte = NULL;
-
-@@ -211,8 +197,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
- pgd = pgd_base + pgd_idx;
-
- for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) {
-- pmd = one_md_table_init(pgd);
-- pmd = pmd + pmd_index(vaddr);
-+ pud = pud_offset(pgd, vaddr);
-+ pmd = pmd_offset(pud, vaddr);
-+
-+#ifdef CONFIG_X86_PAE
-+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
-+#endif
-+
- for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end);
- pmd++, pmd_idx++) {
- pte = page_table_kmap_check(one_page_table_init(pmd),
-@@ -224,11 +215,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
- }
- }
-
--static inline int is_kernel_text(unsigned long addr)
-+static inline int is_kernel_text(unsigned long start, unsigned long end)
- {
-- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end)
-- return 1;
-- return 0;
-+ if ((start > ktla_ktva((unsigned long)_etext) ||
-+ end <= ktla_ktva((unsigned long)_stext)) &&
-+ (start > ktla_ktva((unsigned long)_einittext) ||
-+ end <= ktla_ktva((unsigned long)_sinittext)) &&
-+
-+#ifdef CONFIG_ACPI_SLEEP
-+ (start > (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) &&
-+#endif
-+
-+ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000)))
-+ return 0;
-+ return 1;
- }
-
- /*
-@@ -245,9 +245,10 @@ kernel_physical_mapping_init(unsigned long start,
- unsigned long last_map_addr = end;
- unsigned long start_pfn, end_pfn;
- pgd_t *pgd_base = swapper_pg_dir;
-- int pgd_idx, pmd_idx, pte_ofs;
-+ unsigned int pgd_idx, pmd_idx, pte_ofs;
- unsigned long pfn;
- pgd_t *pgd;
-+ pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
- unsigned pages_2m, pages_4k;
-@@ -280,8 +281,13 @@ repeat:
- pfn = start_pfn;
- pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
- pgd = pgd_base + pgd_idx;
-- for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) {
-- pmd = one_md_table_init(pgd);
-+ for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) {
-+ pud = pud_offset(pgd, 0);
-+ pmd = pmd_offset(pud, 0);
-+
-+#ifdef CONFIG_X86_PAE
-+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
-+#endif
-
- if (pfn >= end_pfn)
- continue;
-@@ -293,14 +299,13 @@ repeat:
- #endif
- for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn;
- pmd++, pmd_idx++) {
-- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET;
-+ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET;
-
- /*
- * Map with big pages if possible, otherwise
- * create normal page tables:
- */
- if (use_pse) {
-- unsigned int addr2;
- pgprot_t prot = PAGE_KERNEL_LARGE;
- /*
- * first pass will use the same initial
-@@ -310,11 +315,7 @@ repeat:
- __pgprot(PTE_IDENT_ATTR |
- _PAGE_PSE);
-
-- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE +
-- PAGE_OFFSET + PAGE_SIZE-1;
--
-- if (is_kernel_text(addr) ||
-- is_kernel_text(addr2))
-+ if (is_kernel_text(address, address + PMD_SIZE))
- prot = PAGE_KERNEL_LARGE_EXEC;
-
- pages_2m++;
-@@ -331,7 +332,7 @@ repeat:
- pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
- pte += pte_ofs;
- for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn;
-- pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) {
-+ pte++, pfn++, pte_ofs++, address += PAGE_SIZE) {
- pgprot_t prot = PAGE_KERNEL;
- /*
- * first pass will use the same initial
-@@ -339,7 +340,7 @@ repeat:
- */
- pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR);
-
-- if (is_kernel_text(addr))
-+ if (is_kernel_text(address, address + PAGE_SIZE))
- prot = PAGE_KERNEL_EXEC;
-
- pages_4k++;
-@@ -465,7 +466,7 @@ void __init native_pagetable_setup_start(pgd_t *base)
-
- pud = pud_offset(pgd, va);
- pmd = pmd_offset(pud, va);
-- if (!pmd_present(*pmd))
-+ if (!pmd_present(*pmd) || pmd_huge(*pmd))
- break;
-
- pte = pte_offset_kernel(pmd, va);
-@@ -517,12 +518,10 @@ void __init early_ioremap_page_table_range_init(void)
-
- static void __init pagetable_init(void)
- {
-- pgd_t *pgd_base = swapper_pg_dir;
--
-- permanent_kmaps_init(pgd_base);
-+ permanent_kmaps_init(swapper_pg_dir);
- }
-
--pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP);
-+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP);
- EXPORT_SYMBOL_GPL(__supported_pte_mask);
-
- /* user-defined highmem size */
-@@ -734,6 +733,12 @@ void __init mem_init(void)
-
- pci_iommu_alloc();
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY,
-+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-+ KERNEL_PGD_PTRS);
-+#endif
-+
- #ifdef CONFIG_FLATMEM
- BUG_ON(!mem_map);
- #endif
-@@ -760,7 +765,7 @@ void __init mem_init(void)
- reservedpages++;
-
- codesize = (unsigned long) &_etext - (unsigned long) &_text;
-- datasize = (unsigned long) &_edata - (unsigned long) &_etext;
-+ datasize = (unsigned long) &_edata - (unsigned long) &_sdata;
- initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
- printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
-@@ -801,10 +806,10 @@ void __init mem_init(void)
- ((unsigned long)&__init_end -
- (unsigned long)&__init_begin) >> 10,
-
-- (unsigned long)&_etext, (unsigned long)&_edata,
-- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10,
-+ (unsigned long)&_sdata, (unsigned long)&_edata,
-+ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10,
-
-- (unsigned long)&_text, (unsigned long)&_etext,
-+ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext),
- ((unsigned long)&_etext - (unsigned long)&_text) >> 10);
-
- /*
-@@ -882,6 +887,7 @@ void set_kernel_text_rw(void)
- if (!kernel_set_to_readonly)
- return;
-
-+ start = ktla_ktva(start);
- pr_debug("Set kernel text: %lx - %lx for read write\n",
- start, start+size);
-
-@@ -896,6 +902,7 @@ void set_kernel_text_ro(void)
- if (!kernel_set_to_readonly)
- return;
-
-+ start = ktla_ktva(start);
- pr_debug("Set kernel text: %lx - %lx for read only\n",
- start, start+size);
-
-@@ -924,6 +931,7 @@ void mark_rodata_ro(void)
- unsigned long start = PFN_ALIGN(_text);
- unsigned long size = PFN_ALIGN(_etext) - start;
-
-+ start = ktla_ktva(start);
- set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
- printk(KERN_INFO "Write protecting the kernel text: %luk\n",
- size >> 10);
-diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
-index 2b6b4a3..c17210d 100644
---- a/arch/x86/mm/init_64.c
-+++ b/arch/x86/mm/init_64.c
-@@ -74,7 +74,7 @@ early_param("gbpages", parse_direct_gbpages_on);
- * around without checking the pgd every time.
- */
-
--pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
-+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_IOMAP);
- EXPORT_SYMBOL_GPL(__supported_pte_mask);
-
- int force_personality32;
-@@ -107,12 +107,22 @@ void sync_global_pgds(unsigned long start, unsigned long end)
-
- for (address = start; address <= end; address += PGDIR_SIZE) {
- const pgd_t *pgd_ref = pgd_offset_k(address);
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ unsigned long cpu;
-+#else
- struct page *page;
-+#endif
-
- if (pgd_none(*pgd_ref))
- continue;
-
- spin_lock(&pgd_lock);
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
-+ pgd_t *pgd = pgd_offset_cpu(cpu, address);
-+#else
- list_for_each_entry(page, &pgd_list, lru) {
- pgd_t *pgd;
- spinlock_t *pgt_lock;
-@@ -121,6 +131,7 @@ void sync_global_pgds(unsigned long start, unsigned long end)
- /* the pgt_lock only for Xen */
- pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
- spin_lock(pgt_lock);
-+#endif
-
- if (pgd_none(*pgd))
- set_pgd(pgd, *pgd_ref);
-@@ -128,7 +139,10 @@ void sync_global_pgds(unsigned long start, unsigned long end)
- BUG_ON(pgd_page_vaddr(*pgd)
- != pgd_page_vaddr(*pgd_ref));
-
-+#ifndef CONFIG_PAX_PER_CPU_PGD
- spin_unlock(pgt_lock);
-+#endif
-+
- }
- spin_unlock(&pgd_lock);
- }
-@@ -161,7 +175,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr)
- {
- if (pgd_none(*pgd)) {
- pud_t *pud = (pud_t *)spp_getpage();
-- pgd_populate(&init_mm, pgd, pud);
-+ pgd_populate_kernel(&init_mm, pgd, pud);
- if (pud != pud_offset(pgd, 0))
- printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n",
- pud, pud_offset(pgd, 0));
-@@ -173,7 +187,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr)
- {
- if (pud_none(*pud)) {
- pmd_t *pmd = (pmd_t *) spp_getpage();
-- pud_populate(&init_mm, pud, pmd);
-+ pud_populate_kernel(&init_mm, pud, pmd);
- if (pmd != pmd_offset(pud, 0))
- printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n",
- pmd, pmd_offset(pud, 0));
-@@ -202,7 +216,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
- pmd = fill_pmd(pud, vaddr);
- pte = fill_pte(pmd, vaddr);
-
-+ pax_open_kernel();
- set_pte(pte, new_pte);
-+ pax_close_kernel();
-
- /*
- * It's enough to flush this one mapping.
-@@ -261,14 +277,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size,
- pgd = pgd_offset_k((unsigned long)__va(phys));
- if (pgd_none(*pgd)) {
- pud = (pud_t *) spp_getpage();
-- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE |
-- _PAGE_USER));
-+ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE));
- }
- pud = pud_offset(pgd, (unsigned long)__va(phys));
- if (pud_none(*pud)) {
- pmd = (pmd_t *) spp_getpage();
-- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE |
-- _PAGE_USER));
-+ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE));
- }
- pmd = pmd_offset(pud, phys);
- BUG_ON(!pmd_none(*pmd));
-@@ -329,7 +343,7 @@ static __ref void *alloc_low_page(unsigned long *phys)
- if (pfn >= pgt_buf_top)
- panic("alloc_low_page: ran out of memory");
-
-- adr = early_memremap(pfn * PAGE_SIZE, PAGE_SIZE);
-+ adr = (void __force_kernel *)early_memremap(pfn * PAGE_SIZE, PAGE_SIZE);
- clear_page(adr);
- *phys = pfn * PAGE_SIZE;
- return adr;
-@@ -345,7 +359,7 @@ static __ref void *map_low_page(void *virt)
-
- phys = __pa(virt);
- left = phys & (PAGE_SIZE - 1);
-- adr = early_memremap(phys & PAGE_MASK, PAGE_SIZE);
-+ adr = (void __force_kernel *)early_memremap(phys & PAGE_MASK, PAGE_SIZE);
- adr = (void *)(((unsigned long)adr) | left);
-
- return adr;
-@@ -548,7 +562,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
- unmap_low_page(pmd);
-
- spin_lock(&init_mm.page_table_lock);
-- pud_populate(&init_mm, pud, __va(pmd_phys));
-+ pud_populate_kernel(&init_mm, pud, __va(pmd_phys));
- spin_unlock(&init_mm.page_table_lock);
- }
- __flush_tlb_all();
-@@ -594,7 +608,7 @@ kernel_physical_mapping_init(unsigned long start,
- unmap_low_page(pud);
-
- spin_lock(&init_mm.page_table_lock);
-- pgd_populate(&init_mm, pgd, __va(pud_phys));
-+ pgd_populate_kernel(&init_mm, pgd, __va(pud_phys));
- spin_unlock(&init_mm.page_table_lock);
- pgd_changed = true;
- }
-@@ -686,6 +700,12 @@ void __init mem_init(void)
-
- pci_iommu_alloc();
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY,
-+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-+ KERNEL_PGD_PTRS);
-+#endif
-+
- /* clear_bss() already clear the empty_zero_page */
-
- reservedpages = 0;
-@@ -846,8 +866,8 @@ int kern_addr_valid(unsigned long addr)
- static struct vm_area_struct gate_vma = {
- .vm_start = VSYSCALL_START,
- .vm_end = VSYSCALL_START + (VSYSCALL_MAPPED_PAGES * PAGE_SIZE),
-- .vm_page_prot = PAGE_READONLY_EXEC,
-- .vm_flags = VM_READ | VM_EXEC
-+ .vm_page_prot = PAGE_READONLY,
-+ .vm_flags = VM_READ
- };
-
- struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
-@@ -881,7 +901,7 @@ int in_gate_area_no_mm(unsigned long addr)
-
- const char *arch_vma_name(struct vm_area_struct *vma)
- {
-- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
-+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso)
- return "[vdso]";
- if (vma == &gate_vma)
- return "[vsyscall]";
-diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
-index 7b179b4..6bd1777 100644
---- a/arch/x86/mm/iomap_32.c
-+++ b/arch/x86/mm/iomap_32.c
-@@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot)
- type = kmap_atomic_idx_push();
- idx = type + KM_TYPE_NR * smp_processor_id();
- vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
-+
-+ pax_open_kernel();
- set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
-+ pax_close_kernel();
-+
- arch_flush_lazy_mmu_mode();
-
- return (void *)vaddr;
-diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
-index 78fe3f1..8293b6f 100644
---- a/arch/x86/mm/ioremap.c
-+++ b/arch/x86/mm/ioremap.c
-@@ -97,7 +97,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
- for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) {
- int is_ram = page_is_ram(pfn);
-
-- if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))
-+ if (is_ram && pfn_valid(pfn) && (pfn >= 0x100 || !PageReserved(pfn_to_page(pfn))))
- return NULL;
- WARN_ON_ONCE(is_ram);
- }
-@@ -315,6 +315,9 @@ void *xlate_dev_mem_ptr(unsigned long phys)
-
- /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */
- if (page_is_ram(start >> PAGE_SHIFT))
-+#ifdef CONFIG_HIGHMEM
-+ if ((start >> PAGE_SHIFT) < max_low_pfn)
-+#endif
- return __va(phys);
-
- addr = (void __force *)ioremap_cache(start, PAGE_SIZE);
-@@ -344,7 +347,7 @@ static int __init early_ioremap_debug_setup(char *str)
- early_param("early_ioremap_debug", early_ioremap_debug_setup);
-
- static __initdata int after_paging_init;
--static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
-+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE);
-
- static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
- {
-@@ -381,8 +384,7 @@ void __init early_ioremap_init(void)
- slot_virt[i] = __fix_to_virt(FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*i);
-
- pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
-- memset(bm_pte, 0, sizeof(bm_pte));
-- pmd_populate_kernel(&init_mm, pmd, bm_pte);
-+ pmd_populate_user(&init_mm, pmd, bm_pte);
-
- /*
- * The boot-ioremap range spans multiple pmds, for which
-diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
-index d87dd6d..bf3fa66 100644
---- a/arch/x86/mm/kmemcheck/kmemcheck.c
-+++ b/arch/x86/mm/kmemcheck/kmemcheck.c
-@@ -622,9 +622,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
- * memory (e.g. tracked pages)? For now, we need this to avoid
- * invoking kmemcheck for PnP BIOS calls.
- */
-- if (regs->flags & X86_VM_MASK)
-+ if (v8086_mode(regs))
- return false;
-- if (regs->cs != __KERNEL_CS)
-+ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS)
- return false;
-
- pte = kmemcheck_pte_lookup(address);
-diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
-index 845df68..1d8d29f 100644
---- a/arch/x86/mm/mmap.c
-+++ b/arch/x86/mm/mmap.c
-@@ -52,7 +52,7 @@ static unsigned int stack_maxrandom_size(void)
- * Leave an at least ~128 MB hole with possible stack randomization.
- */
- #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size())
--#define MAX_GAP (TASK_SIZE/6*5)
-+#define MAX_GAP (pax_task_size/6*5)
-
- static int mmap_is_legacy(void)
- {
-@@ -82,27 +82,40 @@ static unsigned long mmap_rnd(void)
- return rnd << PAGE_SHIFT;
- }
-
--static unsigned long mmap_base(void)
-+static unsigned long mmap_base(struct mm_struct *mm)
- {
- unsigned long gap = rlimit(RLIMIT_STACK);
-+ unsigned long pax_task_size = TASK_SIZE;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-
- if (gap < MIN_GAP)
- gap = MIN_GAP;
- else if (gap > MAX_GAP)
- gap = MAX_GAP;
-
-- return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd());
-+ return PAGE_ALIGN(pax_task_size - gap - mmap_rnd());
- }
-
- /*
- * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64
- * does, but not when emulating X86_32
- */
--static unsigned long mmap_legacy_base(void)
-+static unsigned long mmap_legacy_base(struct mm_struct *mm)
- {
-- if (mmap_is_ia32())
-+ if (mmap_is_ia32()) {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ return SEGMEXEC_TASK_UNMAPPED_BASE;
-+ else
-+#endif
-+
- return TASK_UNMAPPED_BASE;
-- else
-+ } else
- return TASK_UNMAPPED_BASE + mmap_rnd();
- }
-
-@@ -113,11 +126,23 @@ static unsigned long mmap_legacy_base(void)
- void arch_pick_mmap_layout(struct mm_struct *mm)
- {
- if (mmap_is_legacy()) {
-- mm->mmap_base = mmap_legacy_base();
-+ mm->mmap_base = mmap_legacy_base(mm);
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
-- mm->mmap_base = mmap_base();
-+ mm->mmap_base = mmap_base(mm);
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
-index dc0b727..dc9d71a 100644
---- a/arch/x86/mm/mmio-mod.c
-+++ b/arch/x86/mm/mmio-mod.c
-@@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs,
- break;
- default:
- {
-- unsigned char *ip = (unsigned char *)instptr;
-+ unsigned char *ip = (unsigned char *)ktla_ktva(instptr);
- my_trace->opcode = MMIO_UNKNOWN_OP;
- my_trace->width = 0;
- my_trace->value = (*ip) << 16 | *(ip + 1) << 8 |
-@@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition,
- static void ioremap_trace_core(resource_size_t offset, unsigned long size,
- void __iomem *addr)
- {
-- static atomic_t next_id;
-+ static atomic_unchecked_t next_id;
- struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL);
- /* These are page-unaligned. */
- struct mmiotrace_map map = {
-@@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
- .private = trace
- },
- .phys = offset,
-- .id = atomic_inc_return(&next_id)
-+ .id = atomic_inc_return_unchecked(&next_id)
- };
- map.map_id = trace->id;
-
-diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
-index b008656..773eac2 100644
---- a/arch/x86/mm/pageattr-test.c
-+++ b/arch/x86/mm/pageattr-test.c
-@@ -36,7 +36,7 @@ enum {
-
- static int pte_testbit(pte_t pte)
- {
-- return pte_flags(pte) & _PAGE_UNUSED1;
-+ return pte_flags(pte) & _PAGE_CPA_TEST;
- }
-
- struct split_state {
-diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
-index a718e0d..45efc32 100644
---- a/arch/x86/mm/pageattr.c
-+++ b/arch/x86/mm/pageattr.c
-@@ -261,7 +261,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
- */
- #ifdef CONFIG_PCI_BIOS
- if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT))
-- pgprot_val(forbidden) |= _PAGE_NX;
-+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
- #endif
-
- /*
-@@ -269,9 +269,10 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
- * Does not cover __inittext since that is gone later on. On
- * 64bit we do not enforce !NX on the low mapping
- */
-- if (within(address, (unsigned long)_text, (unsigned long)_etext))
-- pgprot_val(forbidden) |= _PAGE_NX;
-+ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext)))
-+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
-
-+#ifdef CONFIG_DEBUG_RODATA
- /*
- * The .rodata section needs to be read-only. Using the pfn
- * catches all aliases.
-@@ -279,6 +280,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
- if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT,
- __pa((unsigned long)__end_rodata) >> PAGE_SHIFT))
- pgprot_val(forbidden) |= _PAGE_RW;
-+#endif
-
- #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
- /*
-@@ -317,6 +319,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
- }
- #endif
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ if (within(pfn, __pa((unsigned long)&_text), __pa((unsigned long)&_sdata))) {
-+ pgprot_val(forbidden) |= _PAGE_RW;
-+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
-+ }
-+#endif
-+
- prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
-
- return prot;
-@@ -369,23 +378,37 @@ EXPORT_SYMBOL_GPL(lookup_address);
- static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
- {
- /* change init_mm */
-+ pax_open_kernel();
- set_pte_atomic(kpte, pte);
-+
- #ifdef CONFIG_X86_32
- if (!SHARED_KERNEL_PMD) {
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ unsigned long cpu;
-+#else
- struct page *page;
-+#endif
-
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
-+ pgd_t *pgd = get_cpu_pgd(cpu);
-+#else
- list_for_each_entry(page, &pgd_list, lru) {
-- pgd_t *pgd;
-+ pgd_t *pgd = (pgd_t *)page_address(page);
-+#endif
-+
- pud_t *pud;
- pmd_t *pmd;
-
-- pgd = (pgd_t *)page_address(page) + pgd_index(address);
-+ pgd += pgd_index(address);
- pud = pud_offset(pgd, address);
- pmd = pmd_offset(pud, address);
- set_pte_atomic((pte_t *)pmd, pte);
- }
- }
- #endif
-+ pax_close_kernel();
- }
-
- static int
-diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
-index 3d68ef6..7f69136 100644
---- a/arch/x86/mm/pat.c
-+++ b/arch/x86/mm/pat.c
-@@ -376,7 +376,7 @@ int free_memtype(u64 start, u64 end)
-
- if (!entry) {
- printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n",
-- current->comm, current->pid, start, end - 1);
-+ current->comm, task_pid_nr(current), start, end - 1);
- return -EINVAL;
- }
-
-@@ -506,8 +506,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
-
- while (cursor < to) {
- if (!devmem_is_allowed(pfn)) {
-- printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx]\n",
-- current->comm, from, to - 1);
-+ printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx)\n",
-+ current->comm, from, to - 1, cursor);
- return 0;
- }
- cursor += PAGE_SIZE;
-@@ -570,7 +570,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flags)
- if (ioremap_change_attr((unsigned long)__va(base), id_sz, flags) < 0) {
- printk(KERN_INFO "%s:%d ioremap_change_attr failed %s "
- "for [mem %#010Lx-%#010Lx]\n",
-- current->comm, current->pid,
-+ current->comm, task_pid_nr(current),
- cattr_name(flags),
- base, (unsigned long long)(base + size-1));
- return -EINVAL;
-@@ -605,7 +605,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
- flags = lookup_memtype(paddr);
- if (want_flags != flags) {
- printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n",
-- current->comm, current->pid,
-+ current->comm, task_pid_nr(current),
- cattr_name(want_flags),
- (unsigned long long)paddr,
- (unsigned long long)(paddr + size - 1),
-@@ -627,7 +627,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
- free_memtype(paddr, paddr + size);
- printk(KERN_ERR "%s:%d map pfn expected mapping type %s"
- " for [mem %#010Lx-%#010Lx], got %s\n",
-- current->comm, current->pid,
-+ current->comm, task_pid_nr(current),
- cattr_name(want_flags),
- (unsigned long long)paddr,
- (unsigned long long)(paddr + size - 1),
-diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
-index 9f0614d..92ae64a 100644
---- a/arch/x86/mm/pf_in.c
-+++ b/arch/x86/mm/pf_in.c
-@@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned long ins_addr)
- int i;
- enum reason_type rv = OTHERS;
-
-- p = (unsigned char *)ins_addr;
-+ p = (unsigned char *)ktla_ktva(ins_addr);
- p += skip_prefix(p, &prf);
- p += get_opcode(p, &opcode);
-
-@@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr)
- struct prefix_bits prf;
- int i;
-
-- p = (unsigned char *)ins_addr;
-+ p = (unsigned char *)ktla_ktva(ins_addr);
- p += skip_prefix(p, &prf);
- p += get_opcode(p, &opcode);
-
-@@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr)
- struct prefix_bits prf;
- int i;
-
-- p = (unsigned char *)ins_addr;
-+ p = (unsigned char *)ktla_ktva(ins_addr);
- p += skip_prefix(p, &prf);
- p += get_opcode(p, &opcode);
-
-@@ -415,7 +415,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
- struct prefix_bits prf;
- int i;
-
-- p = (unsigned char *)ins_addr;
-+ p = (unsigned char *)ktla_ktva(ins_addr);
- p += skip_prefix(p, &prf);
- p += get_opcode(p, &opcode);
- for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
-@@ -470,7 +470,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
- struct prefix_bits prf;
- int i;
-
-- p = (unsigned char *)ins_addr;
-+ p = (unsigned char *)ktla_ktva(ins_addr);
- p += skip_prefix(p, &prf);
- p += get_opcode(p, &opcode);
- for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
-diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
-index 8573b83..4f3ed7e 100644
---- a/arch/x86/mm/pgtable.c
-+++ b/arch/x86/mm/pgtable.c
-@@ -84,10 +84,64 @@ static inline void pgd_list_del(pgd_t *pgd)
- list_del(&page->lru);
- }
-
--#define UNSHARED_PTRS_PER_PGD \
-- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT;
-
-+void __shadow_user_pgds(pgd_t *dst, const pgd_t *src)
-+{
-+ unsigned int count = USER_PGD_PTRS;
-
-+ while (count--)
-+ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER);
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+void __clone_user_pgds(pgd_t *dst, const pgd_t *src)
-+{
-+ unsigned int count = USER_PGD_PTRS;
-+
-+ while (count--) {
-+ pgd_t pgd;
-+
-+#ifdef CONFIG_X86_64
-+ pgd = __pgd(pgd_val(*src++) | _PAGE_USER);
-+#else
-+ pgd = *src++;
-+#endif
-+
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+ pgd = __pgd(pgd_val(pgd) & clone_pgd_mask);
-+#endif
-+
-+ *dst++ = pgd;
-+ }
-+
-+}
-+#endif
-+
-+#ifdef CONFIG_X86_64
-+#define pxd_t pud_t
-+#define pyd_t pgd_t
-+#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn)
-+#define pxd_free(mm, pud) pud_free((mm), (pud))
-+#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud))
-+#define pyd_offset(mm, address) pgd_offset((mm), (address))
-+#define PYD_SIZE PGDIR_SIZE
-+#else
-+#define pxd_t pmd_t
-+#define pyd_t pud_t
-+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn)
-+#define pxd_free(mm, pud) pmd_free((mm), (pud))
-+#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud))
-+#define pyd_offset(mm, address) pud_offset((mm), (address))
-+#define PYD_SIZE PUD_SIZE
-+#endif
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {}
-+static inline void pgd_dtor(pgd_t *pgd) {}
-+#else
- static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm)
- {
- BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm));
-@@ -128,6 +182,7 @@ static void pgd_dtor(pgd_t *pgd)
- pgd_list_del(pgd);
- spin_unlock(&pgd_lock);
- }
-+#endif
-
- /*
- * List of all pgd's needed for non-PAE so it can invalidate entries
-@@ -140,7 +195,7 @@ static void pgd_dtor(pgd_t *pgd)
- * -- wli
- */
-
--#ifdef CONFIG_X86_PAE
-+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
- /*
- * In PAE mode, we need to do a cr3 reload (=tlb flush) when
- * updating the top-level pagetable entries to guarantee the
-@@ -152,7 +207,7 @@ static void pgd_dtor(pgd_t *pgd)
- * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate
- * and initialize the kernel pmds here.
- */
--#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD
-+#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
-
- void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
- {
-@@ -170,36 +225,38 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
- */
- flush_tlb_mm(mm);
- }
-+#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD)
-+#define PREALLOCATED_PXDS USER_PGD_PTRS
- #else /* !CONFIG_X86_PAE */
-
- /* No need to prepopulate any pagetable entries in non-PAE modes. */
--#define PREALLOCATED_PMDS 0
-+#define PREALLOCATED_PXDS 0
-
- #endif /* CONFIG_X86_PAE */
-
--static void free_pmds(pmd_t *pmds[])
-+static void free_pxds(pxd_t *pxds[])
- {
- int i;
-
-- for(i = 0; i < PREALLOCATED_PMDS; i++)
-- if (pmds[i])
-- free_page((unsigned long)pmds[i]);
-+ for(i = 0; i < PREALLOCATED_PXDS; i++)
-+ if (pxds[i])
-+ free_page((unsigned long)pxds[i]);
- }
-
--static int preallocate_pmds(pmd_t *pmds[])
-+static int preallocate_pxds(pxd_t *pxds[])
- {
- int i;
- bool failed = false;
-
-- for(i = 0; i < PREALLOCATED_PMDS; i++) {
-- pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP);
-- if (pmd == NULL)
-+ for(i = 0; i < PREALLOCATED_PXDS; i++) {
-+ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP);
-+ if (pxd == NULL)
- failed = true;
-- pmds[i] = pmd;
-+ pxds[i] = pxd;
- }
-
- if (failed) {
-- free_pmds(pmds);
-+ free_pxds(pxds);
- return -ENOMEM;
- }
-
-@@ -212,51 +269,55 @@ static int preallocate_pmds(pmd_t *pmds[])
- * preallocate which never got a corresponding vma will need to be
- * freed manually.
- */
--static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
-+static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp)
- {
- int i;
-
-- for(i = 0; i < PREALLOCATED_PMDS; i++) {
-+ for(i = 0; i < PREALLOCATED_PXDS; i++) {
- pgd_t pgd = pgdp[i];
-
- if (pgd_val(pgd) != 0) {
-- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd);
-+ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd);
-
-- pgdp[i] = native_make_pgd(0);
-+ set_pgd(pgdp + i, native_make_pgd(0));
-
-- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT);
-- pmd_free(mm, pmd);
-+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT);
-+ pxd_free(mm, pxd);
- }
- }
- }
-
--static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
-+static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[])
- {
-- pud_t *pud;
-+ pyd_t *pyd;
- unsigned long addr;
- int i;
-
-- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
-+ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */
- return;
-
-- pud = pud_offset(pgd, 0);
-+#ifdef CONFIG_X86_64
-+ pyd = pyd_offset(mm, 0L);
-+#else
-+ pyd = pyd_offset(pgd, 0L);
-+#endif
-
-- for (addr = i = 0; i < PREALLOCATED_PMDS;
-- i++, pud++, addr += PUD_SIZE) {
-- pmd_t *pmd = pmds[i];
-+ for (addr = i = 0; i < PREALLOCATED_PXDS;
-+ i++, pyd++, addr += PYD_SIZE) {
-+ pxd_t *pxd = pxds[i];
-
- if (i >= KERNEL_PGD_BOUNDARY)
-- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
-- sizeof(pmd_t) * PTRS_PER_PMD);
-+ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
-+ sizeof(pxd_t) * PTRS_PER_PMD);
-
-- pud_populate(mm, pud, pmd);
-+ pyd_populate(mm, pyd, pxd);
- }
- }
-
- pgd_t *pgd_alloc(struct mm_struct *mm)
- {
- pgd_t *pgd;
-- pmd_t *pmds[PREALLOCATED_PMDS];
-+ pxd_t *pxds[PREALLOCATED_PXDS];
-
- pgd = (pgd_t *)__get_free_page(PGALLOC_GFP);
-
-@@ -265,11 +326,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
-
- mm->pgd = pgd;
-
-- if (preallocate_pmds(pmds) != 0)
-+ if (preallocate_pxds(pxds) != 0)
- goto out_free_pgd;
-
- if (paravirt_pgd_alloc(mm) != 0)
-- goto out_free_pmds;
-+ goto out_free_pxds;
-
- /*
- * Make sure that pre-populating the pmds is atomic with
-@@ -279,14 +340,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
- spin_lock(&pgd_lock);
-
- pgd_ctor(mm, pgd);
-- pgd_prepopulate_pmd(mm, pgd, pmds);
-+ pgd_prepopulate_pxd(mm, pgd, pxds);
-
- spin_unlock(&pgd_lock);
-
- return pgd;
-
--out_free_pmds:
-- free_pmds(pmds);
-+out_free_pxds:
-+ free_pxds(pxds);
- out_free_pgd:
- free_page((unsigned long)pgd);
- out:
-@@ -295,7 +356,7 @@ out:
-
- void pgd_free(struct mm_struct *mm, pgd_t *pgd)
- {
-- pgd_mop_up_pmds(mm, pgd);
-+ pgd_mop_up_pxds(mm, pgd);
- pgd_dtor(pgd);
- paravirt_pgd_free(mm, pgd);
- free_page((unsigned long)pgd);
-diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
-index a69bcb8..19068ab 100644
---- a/arch/x86/mm/pgtable_32.c
-+++ b/arch/x86/mm/pgtable_32.c
-@@ -47,10 +47,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
- return;
- }
- pte = pte_offset_kernel(pmd, vaddr);
-+
-+ pax_open_kernel();
- if (pte_val(pteval))
- set_pte_at(&init_mm, vaddr, pte, pteval);
- else
- pte_clear(&init_mm, vaddr, pte);
-+ pax_close_kernel();
-
- /*
- * It's enough to flush this one mapping.
-diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
-index 410531d..0f16030 100644
---- a/arch/x86/mm/setup_nx.c
-+++ b/arch/x86/mm/setup_nx.c
-@@ -5,8 +5,10 @@
- #include <asm/pgtable.h>
- #include <asm/proto.h>
-
-+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
- static int disable_nx __cpuinitdata;
-
-+#ifndef CONFIG_PAX_PAGEEXEC
- /*
- * noexec = on|off
- *
-@@ -28,12 +30,17 @@ static int __init noexec_setup(char *str)
- return 0;
- }
- early_param("noexec", noexec_setup);
-+#endif
-+
-+#endif
-
- void __cpuinit x86_configure_nx(void)
- {
-+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
- if (cpu_has_nx && !disable_nx)
- __supported_pte_mask |= _PAGE_NX;
- else
-+#endif
- __supported_pte_mask &= ~_PAGE_NX;
- }
-
-diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
-index 5e57e11..64874249 100644
---- a/arch/x86/mm/tlb.c
-+++ b/arch/x86/mm/tlb.c
-@@ -66,7 +66,11 @@ void leave_mm(int cpu)
- BUG();
- if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) {
- cpumask_clear_cpu(cpu, mm_cpumask(active_mm));
-+
-+#ifndef CONFIG_PAX_PER_CPU_PGD
- load_cr3(swapper_pg_dir);
-+#endif
-+
- }
- }
- EXPORT_SYMBOL_GPL(leave_mm);
-diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S
-index 877b9a1..a8ecf42 100644
---- a/arch/x86/net/bpf_jit.S
-+++ b/arch/x86/net/bpf_jit.S
-@@ -9,6 +9,7 @@
- */
- #include <linux/linkage.h>
- #include <asm/dwarf2.h>
-+#include <asm/alternative-asm.h>
-
- /*
- * Calling convention :
-@@ -35,6 +36,7 @@ sk_load_word_positive_offset:
- jle bpf_slow_path_word
- mov (SKBDATA,%rsi),%eax
- bswap %eax /* ntohl() */
-+ pax_force_retaddr
- ret
-
- sk_load_half:
-@@ -52,6 +54,7 @@ sk_load_half_positive_offset:
- jle bpf_slow_path_half
- movzwl (SKBDATA,%rsi),%eax
- rol $8,%ax # ntohs()
-+ pax_force_retaddr
- ret
-
- sk_load_byte:
-@@ -66,6 +69,7 @@ sk_load_byte_positive_offset:
- cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */
- jle bpf_slow_path_byte
- movzbl (SKBDATA,%rsi),%eax
-+ pax_force_retaddr
- ret
-
- /**
-@@ -87,6 +91,7 @@ sk_load_byte_msh_positive_offset:
- movzbl (SKBDATA,%rsi),%ebx
- and $15,%bl
- shl $2,%bl
-+ pax_force_retaddr
- ret
-
- /* rsi contains offset and can be scratched */
-@@ -109,6 +114,7 @@ bpf_slow_path_word:
- js bpf_error
- mov -12(%rbp),%eax
- bswap %eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_half:
-@@ -117,12 +123,14 @@ bpf_slow_path_half:
- mov -12(%rbp),%ax
- rol $8,%ax
- movzwl %ax,%eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_byte:
- bpf_slow_path_common(1)
- js bpf_error
- movzbl -12(%rbp),%eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_byte_msh:
-@@ -133,6 +141,7 @@ bpf_slow_path_byte_msh:
- and $15,%al
- shl $2,%al
- xchg %eax,%ebx
-+ pax_force_retaddr
- ret
-
- #define sk_negative_common(SIZE) \
-@@ -157,6 +166,7 @@ sk_load_word_negative_offset:
- sk_negative_common(4)
- mov (%rax), %eax
- bswap %eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_half_neg:
-@@ -168,6 +178,7 @@ sk_load_half_negative_offset:
- mov (%rax),%ax
- rol $8,%ax
- movzwl %ax,%eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_byte_neg:
-@@ -177,6 +188,7 @@ sk_load_byte_negative_offset:
- .globl sk_load_byte_negative_offset
- sk_negative_common(1)
- movzbl (%rax), %eax
-+ pax_force_retaddr
- ret
-
- bpf_slow_path_byte_msh_neg:
-@@ -190,6 +202,7 @@ sk_load_byte_msh_negative_offset:
- and $15,%al
- shl $2,%al
- xchg %eax,%ebx
-+ pax_force_retaddr
- ret
-
- bpf_error:
-@@ -197,4 +210,5 @@ bpf_error:
- xor %eax,%eax
- mov -8(%rbp),%rbx
- leaveq
-+ pax_force_retaddr
- ret
-diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
-index 0597f95..a12c36e 100644
---- a/arch/x86/net/bpf_jit_comp.c
-+++ b/arch/x86/net/bpf_jit_comp.c
-@@ -120,6 +120,11 @@ static inline void bpf_flush_icache(void *start, void *end)
- set_fs(old_fs);
- }
-
-+struct bpf_jit_work {
-+ struct work_struct work;
-+ void *image;
-+};
-+
- #define CHOOSE_LOAD_FUNC(K, func) \
- ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset)
-
-@@ -146,6 +151,10 @@ void bpf_jit_compile(struct sk_filter *fp)
- if (addrs == NULL)
- return;
-
-+ fp->work = kmalloc(sizeof(*fp->work), GFP_KERNEL);
-+ if (!fp->work)
-+ goto out;
-+
- /* Before first pass, make a rough estimation of addrs[]
- * each bpf instruction is translated to less than 64 bytes
- */
-@@ -589,17 +598,18 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
- break;
- default:
- /* hmm, too complex filter, give up with jit compiler */
-- goto out;
-+ goto error;
- }
- ilen = prog - temp;
- if (image) {
- if (unlikely(proglen + ilen > oldproglen)) {
- pr_err("bpb_jit_compile fatal error\n");
-- kfree(addrs);
-- module_free(NULL, image);
-- return;
-+ module_free_exec(NULL, image);
-+ goto error;
- }
-+ pax_open_kernel();
- memcpy(image + proglen, temp, ilen);
-+ pax_close_kernel();
- }
- proglen += ilen;
- addrs[i] = proglen;
-@@ -620,11 +630,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
- break;
- }
- if (proglen == oldproglen) {
-- image = module_alloc(max_t(unsigned int,
-- proglen,
-- sizeof(struct work_struct)));
-+ image = module_alloc_exec(proglen);
- if (!image)
-- goto out;
-+ goto error;
- }
- oldproglen = proglen;
- }
-@@ -640,7 +648,10 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
- bpf_flush_icache(image, image + proglen);
-
- fp->bpf_func = (void *)image;
-- }
-+ } else
-+error:
-+ kfree(fp->work);
-+
- out:
- kfree(addrs);
- return;
-@@ -648,18 +659,20 @@ out:
-
- static void jit_free_defer(struct work_struct *arg)
- {
-- module_free(NULL, arg);
-+ module_free_exec(NULL, ((struct bpf_jit_work *)arg)->image);
-+ kfree(arg);
- }
-
- /* run from softirq, we must use a work_struct to call
-- * module_free() from process context
-+ * module_free_exec() from process context
- */
- void bpf_jit_free(struct sk_filter *fp)
- {
- if (fp->bpf_func != sk_run_filter) {
-- struct work_struct *work = (struct work_struct *)fp->bpf_func;
-+ struct work_struct *work = &fp->work->work;
-
- INIT_WORK(work, jit_free_defer);
-+ fp->work->image = fp->bpf_func;
- schedule_work(work);
- }
- }
-diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
-index d6aa6e8..266395a 100644
---- a/arch/x86/oprofile/backtrace.c
-+++ b/arch/x86/oprofile/backtrace.c
-@@ -46,11 +46,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head)
- struct stack_frame_ia32 *fp;
- unsigned long bytes;
-
-- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
-+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
- if (bytes != sizeof(bufhead))
- return NULL;
-
-- fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame);
-+ fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame);
-
- oprofile_add_trace(bufhead[0].return_address);
-
-@@ -92,7 +92,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head)
- struct stack_frame bufhead[2];
- unsigned long bytes;
-
-- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
-+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
- if (bytes != sizeof(bufhead))
- return NULL;
-
-@@ -111,7 +111,7 @@ x86_backtrace(struct pt_regs * const regs, unsigned int depth)
- {
- struct stack_frame *head = (struct stack_frame *)frame_pointer(regs);
-
-- if (!user_mode_vm(regs)) {
-+ if (!user_mode(regs)) {
- unsigned long stack = kernel_stack_pointer(regs);
- if (depth)
- dump_trace(NULL, regs, (unsigned long *)stack, 0,
-diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
-index 140942f..8a5cc55 100644
---- a/arch/x86/pci/mrst.c
-+++ b/arch/x86/pci/mrst.c
-@@ -238,7 +238,9 @@ int __init pci_mrst_init(void)
- printk(KERN_INFO "Intel MID platform detected, using MID PCI ops\n");
- pci_mmcfg_late_init();
- pcibios_enable_irq = mrst_pci_irq_enable;
-- pci_root_ops = pci_mrst_ops;
-+ pax_open_kernel();
-+ memcpy((void *)&pci_root_ops, &pci_mrst_ops, sizeof(pci_mrst_ops));
-+ pax_close_kernel();
- pci_soc_mode = 1;
- /* Continue with standard init */
- return 1;
-diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
-index da8fe05..7ee6704 100644
---- a/arch/x86/pci/pcbios.c
-+++ b/arch/x86/pci/pcbios.c
-@@ -79,50 +79,93 @@ union bios32 {
- static struct {
- unsigned long address;
- unsigned short segment;
--} bios32_indirect = { 0, __KERNEL_CS };
-+} bios32_indirect __read_only = { 0, __PCIBIOS_CS };
-
- /*
- * Returns the entry point for the given service, NULL on error
- */
-
--static unsigned long bios32_service(unsigned long service)
-+static unsigned long __devinit bios32_service(unsigned long service)
- {
- unsigned char return_code; /* %al */
- unsigned long address; /* %ebx */
- unsigned long length; /* %ecx */
- unsigned long entry; /* %edx */
- unsigned long flags;
-+ struct desc_struct d, *gdt;
-
- local_irq_save(flags);
-- __asm__("lcall *(%%edi); cld"
-+
-+ gdt = get_cpu_gdt_table(smp_processor_id());
-+
-+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC);
-+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
-+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC);
-+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
-+
-+ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld"
- : "=a" (return_code),
- "=b" (address),
- "=c" (length),
- "=d" (entry)
- : "0" (service),
- "1" (0),
-- "D" (&bios32_indirect));
-+ "D" (&bios32_indirect),
-+ "r"(__PCIBIOS_DS)
-+ : "memory");
-+
-+ pax_open_kernel();
-+ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0;
-+ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0;
-+ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0;
-+ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0;
-+ pax_close_kernel();
-+
- local_irq_restore(flags);
-
- switch (return_code) {
-- case 0:
-- return address + entry;
-- case 0x80: /* Not present */
-- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
-- return 0;
-- default: /* Shouldn't happen */
-- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
-- service, return_code);
-+ case 0: {
-+ int cpu;
-+ unsigned char flags;
-+
-+ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry);
-+ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) {
-+ printk(KERN_WARNING "bios32_service: not valid\n");
- return 0;
-+ }
-+ address = address + PAGE_OFFSET;
-+ length += 16UL; /* some BIOSs underreport this... */
-+ flags = 4;
-+ if (length >= 64*1024*1024) {
-+ length >>= PAGE_SHIFT;
-+ flags |= 8;
-+ }
-+
-+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
-+ gdt = get_cpu_gdt_table(cpu);
-+ pack_descriptor(&d, address, length, 0x9b, flags);
-+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
-+ pack_descriptor(&d, address, length, 0x93, flags);
-+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
-+ }
-+ return entry;
-+ }
-+ case 0x80: /* Not present */
-+ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
-+ return 0;
-+ default: /* Shouldn't happen */
-+ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
-+ service, return_code);
-+ return 0;
- }
- }
-
- static struct {
- unsigned long address;
- unsigned short segment;
--} pci_indirect = { 0, __KERNEL_CS };
-+} pci_indirect __read_only = { 0, __PCIBIOS_CS };
-
--static int pci_bios_present;
-+static int pci_bios_present __read_only;
-
- static int __devinit check_pcibios(void)
- {
-@@ -131,11 +174,13 @@ static int __devinit check_pcibios(void)
- unsigned long flags, pcibios_entry;
-
- if ((pcibios_entry = bios32_service(PCI_SERVICE))) {
-- pci_indirect.address = pcibios_entry + PAGE_OFFSET;
-+ pci_indirect.address = pcibios_entry;
-
- local_irq_save(flags);
-- __asm__(
-- "lcall *(%%edi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%edi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -144,7 +189,8 @@ static int __devinit check_pcibios(void)
- "=b" (ebx),
- "=c" (ecx)
- : "1" (PCIBIOS_PCI_BIOS_PRESENT),
-- "D" (&pci_indirect)
-+ "D" (&pci_indirect),
-+ "r" (__PCIBIOS_DS)
- : "memory");
- local_irq_restore(flags);
-
-@@ -189,7 +235,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
-
- switch (len) {
- case 1:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -198,7 +247,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
- : "1" (PCIBIOS_READ_CONFIG_BYTE),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- /*
- * Zero-extend the result beyond 8 bits, do not trust the
- * BIOS having done it:
-@@ -206,7 +256,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
- *value &= 0xff;
- break;
- case 2:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -215,7 +268,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
- : "1" (PCIBIOS_READ_CONFIG_WORD),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- /*
- * Zero-extend the result beyond 16 bits, do not trust the
- * BIOS having done it:
-@@ -223,7 +277,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
- *value &= 0xffff;
- break;
- case 4:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -232,7 +289,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
- : "1" (PCIBIOS_READ_CONFIG_DWORD),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- break;
- }
-
-@@ -256,7 +314,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
-
- switch (len) {
- case 1:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -265,10 +326,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- break;
- case 2:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -277,10 +342,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- break;
- case 4:
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w6, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -289,7 +358,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- break;
- }
-
-@@ -394,10 +464,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
-
- DBG("PCI: Fetching IRQ routing table... ");
- __asm__("push %%es\n\t"
-+ "movw %w8, %%ds\n\t"
- "push %%ds\n\t"
- "pop %%es\n\t"
-- "lcall *(%%esi); cld\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
- "pop %%es\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -408,7 +481,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
- "1" (0),
- "D" ((long) &opt),
- "S" (&pci_indirect),
-- "m" (opt)
-+ "m" (opt),
-+ "r" (__PCIBIOS_DS)
- : "memory");
- DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map);
- if (ret & 0xff00)
-@@ -432,7 +506,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
- {
- int ret;
-
-- __asm__("lcall *(%%esi); cld\n\t"
-+ __asm__("movw %w5, %%ds\n\t"
-+ "lcall *%%ss:(%%esi); cld\n\t"
-+ "push %%ss\n\t"
-+ "pop %%ds\n"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
-@@ -440,7 +517,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
- : "0" (PCIBIOS_SET_PCI_HW_INT),
- "b" ((dev->bus->number << 8) | dev->devfn),
- "c" ((irq << 8) | (pin + 10)),
-- "S" (&pci_indirect));
-+ "S" (&pci_indirect),
-+ "r" (__PCIBIOS_DS));
- return !(ret & 0xff00);
- }
- EXPORT_SYMBOL(pcibios_set_irq_routing);
-diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
-index 40e4469..1ab536e 100644
---- a/arch/x86/platform/efi/efi_32.c
-+++ b/arch/x86/platform/efi/efi_32.c
-@@ -44,11 +44,22 @@ void efi_call_phys_prelog(void)
- {
- struct desc_ptr gdt_descr;
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ struct desc_struct d;
-+#endif
-+
- local_irq_save(efi_rt_eflags);
-
- load_cr3(initial_page_table);
- __flush_tlb_all();
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC);
-+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
-+ pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC);
-+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
-+#endif
-+
- gdt_descr.address = __pa(get_cpu_gdt_table(0));
- gdt_descr.size = GDT_SIZE - 1;
- load_gdt(&gdt_descr);
-@@ -58,6 +69,14 @@ void efi_call_phys_epilog(void)
- {
- struct desc_ptr gdt_descr;
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ struct desc_struct d;
-+
-+ memset(&d, 0, sizeof d);
-+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
-+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
-+#endif
-+
- gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
- gdt_descr.size = GDT_SIZE - 1;
- load_gdt(&gdt_descr);
-diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S
-index fbe66e6..eae5e38 100644
---- a/arch/x86/platform/efi/efi_stub_32.S
-+++ b/arch/x86/platform/efi/efi_stub_32.S
-@@ -6,7 +6,9 @@
- */
-
- #include <linux/linkage.h>
-+#include <linux/init.h>
- #include <asm/page_types.h>
-+#include <asm/segment.h>
-
- /*
- * efi_call_phys(void *, ...) is a function with variable parameters.
-@@ -20,7 +22,7 @@
- * service functions will comply with gcc calling convention, too.
- */
-
--.text
-+__INIT
- ENTRY(efi_call_phys)
- /*
- * 0. The function can only be called in Linux kernel. So CS has been
-@@ -36,10 +38,24 @@ ENTRY(efi_call_phys)
- * The mapping of lower virtual memory has been created in prelog and
- * epilog.
- */
-- movl $1f, %edx
-- subl $__PAGE_OFFSET, %edx
-- jmp *%edx
-+#ifdef CONFIG_PAX_KERNEXEC
-+ movl $(__KERNEXEC_EFI_DS), %edx
-+ mov %edx, %ds
-+ mov %edx, %es
-+ mov %edx, %ss
-+ addl $2f,(1f)
-+ ljmp *(1f)
-+
-+__INITDATA
-+1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS
-+.previous
-+
-+2:
-+ subl $2b,(1b)
-+#else
-+ jmp 1f-__PAGE_OFFSET
- 1:
-+#endif
-
- /*
- * 2. Now on the top of stack is the return
-@@ -47,14 +63,8 @@ ENTRY(efi_call_phys)
- * parameter 2, ..., param n. To make things easy, we save the return
- * address of efi_call_phys in a global variable.
- */
-- popl %edx
-- movl %edx, saved_return_addr
-- /* get the function pointer into ECX*/
-- popl %ecx
-- movl %ecx, efi_rt_function_ptr
-- movl $2f, %edx
-- subl $__PAGE_OFFSET, %edx
-- pushl %edx
-+ popl (saved_return_addr)
-+ popl (efi_rt_function_ptr)
-
- /*
- * 3. Clear PG bit in %CR0.
-@@ -73,9 +83,8 @@ ENTRY(efi_call_phys)
- /*
- * 5. Call the physical function.
- */
-- jmp *%ecx
-+ call *(efi_rt_function_ptr-__PAGE_OFFSET)
-
--2:
- /*
- * 6. After EFI runtime service returns, control will return to
- * following instruction. We'd better readjust stack pointer first.
-@@ -88,35 +97,36 @@ ENTRY(efi_call_phys)
- movl %cr0, %edx
- orl $0x80000000, %edx
- movl %edx, %cr0
-- jmp 1f
--1:
-+
- /*
- * 8. Now restore the virtual mode from flat mode by
- * adding EIP with PAGE_OFFSET.
- */
-- movl $1f, %edx
-- jmp *%edx
-+#ifdef CONFIG_PAX_KERNEXEC
-+ movl $(__KERNEL_DS), %edx
-+ mov %edx, %ds
-+ mov %edx, %es
-+ mov %edx, %ss
-+ ljmp $(__KERNEL_CS),$1f
-+#else
-+ jmp 1f+__PAGE_OFFSET
-+#endif
- 1:
-
- /*
- * 9. Balance the stack. And because EAX contain the return value,
- * we'd better not clobber it.
- */
-- leal efi_rt_function_ptr, %edx
-- movl (%edx), %ecx
-- pushl %ecx
-+ pushl (efi_rt_function_ptr)
-
- /*
-- * 10. Push the saved return address onto the stack and return.
-+ * 10. Return to the saved return address.
- */
-- leal saved_return_addr, %edx
-- movl (%edx), %ecx
-- pushl %ecx
-- ret
-+ jmpl *(saved_return_addr)
- ENDPROC(efi_call_phys)
- .previous
-
--.data
-+__INITDATA
- saved_return_addr:
- .long 0
- efi_rt_function_ptr:
-diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
-index 4c07cca..2c8427d 100644
---- a/arch/x86/platform/efi/efi_stub_64.S
-+++ b/arch/x86/platform/efi/efi_stub_64.S
-@@ -7,6 +7,7 @@
- */
-
- #include <linux/linkage.h>
-+#include <asm/alternative-asm.h>
-
- #define SAVE_XMM \
- mov %rsp, %rax; \
-@@ -40,6 +41,7 @@ ENTRY(efi_call0)
- call *%rdi
- addq $32, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call0)
-
-@@ -50,6 +52,7 @@ ENTRY(efi_call1)
- call *%rdi
- addq $32, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call1)
-
-@@ -60,6 +63,7 @@ ENTRY(efi_call2)
- call *%rdi
- addq $32, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call2)
-
-@@ -71,6 +75,7 @@ ENTRY(efi_call3)
- call *%rdi
- addq $32, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call3)
-
-@@ -83,6 +88,7 @@ ENTRY(efi_call4)
- call *%rdi
- addq $32, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call4)
-
-@@ -96,6 +102,7 @@ ENTRY(efi_call5)
- call *%rdi
- addq $48, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call5)
-
-@@ -112,5 +119,6 @@ ENTRY(efi_call6)
- call *%rdi
- addq $48, %rsp
- RESTORE_XMM
-+ pax_force_retaddr 0, 1
- ret
- ENDPROC(efi_call6)
-diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
-index fd41a92..9c33628 100644
---- a/arch/x86/platform/mrst/mrst.c
-+++ b/arch/x86/platform/mrst/mrst.c
-@@ -78,13 +78,15 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
- EXPORT_SYMBOL_GPL(sfi_mrtc_array);
- int sfi_mrtc_num;
-
--static void mrst_power_off(void)
-+static __noreturn void mrst_power_off(void)
- {
-+ BUG();
- }
-
--static void mrst_reboot(void)
-+static __noreturn void mrst_reboot(void)
- {
- intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
-+ BUG();
- }
-
- /* parse all the mtimer info to a static mtimer array */
-diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
-index 218cdb1..fd55c08 100644
---- a/arch/x86/power/cpu.c
-+++ b/arch/x86/power/cpu.c
-@@ -132,7 +132,7 @@ static void do_fpu_end(void)
- static void fix_processor_context(void)
- {
- int cpu = smp_processor_id();
-- struct tss_struct *t = &per_cpu(init_tss, cpu);
-+ struct tss_struct *t = init_tss + cpu;
-
- set_tss_desc(cpu, t); /*
- * This just modifies memory; should not be
-@@ -142,7 +142,9 @@ static void fix_processor_context(void)
- */
-
- #ifdef CONFIG_X86_64
-+ pax_open_kernel();
- get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9;
-+ pax_close_kernel();
-
- syscall_init(); /* This sets MSR_*STAR and related */
- #endif
-diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
-index cbca565..bae7133 100644
---- a/arch/x86/realmode/init.c
-+++ b/arch/x86/realmode/init.c
-@@ -62,7 +62,13 @@ void __init setup_real_mode(void)
- __va(real_mode_header->trampoline_header);
-
- #ifdef CONFIG_X86_32
-- trampoline_header->start = __pa(startup_32_smp);
-+ trampoline_header->start = __pa(ktla_ktva(startup_32_smp));
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ trampoline_header->start -= LOAD_PHYSICAL_ADDR;
-+#endif
-+
-+ trampoline_header->boot_cs = __BOOT_CS;
- trampoline_header->gdt_limit = __BOOT_DS + 7;
- trampoline_header->gdt_base = __pa(boot_gdt);
- #else
-diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
-index 5b84a2d..a004393 100644
---- a/arch/x86/realmode/rm/Makefile
-+++ b/arch/x86/realmode/rm/Makefile
-@@ -78,5 +78,8 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
- $(call cc-option, -fno-unit-at-a-time)) \
- $(call cc-option, -fno-stack-protector) \
- $(call cc-option, -mpreferred-stack-boundary=2)
-+ifdef CONSTIFY_PLUGIN
-+KBUILD_CFLAGS += $(CONSTIFY_PLUGIN) -fplugin-arg-constify_plugin-no-constify
-+endif
- KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
- GCOV_PROFILE := n
-diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
-index c1b2791..f9e31c7 100644
---- a/arch/x86/realmode/rm/trampoline_32.S
-+++ b/arch/x86/realmode/rm/trampoline_32.S
-@@ -25,6 +25,12 @@
- #include <asm/page_types.h>
- #include "realmode.h"
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+#define ta(X) (X)
-+#else
-+#define ta(X) (pa_ ## X)
-+#endif
-+
- .text
- .code16
-
-@@ -39,8 +45,6 @@ ENTRY(trampoline_start)
-
- cli # We should be safe anyway
-
-- movl tr_start, %eax # where we need to go
--
- movl $0xA5A5A5A5, trampoline_status
- # write marker for master knows we're running
-
-@@ -56,7 +60,7 @@ ENTRY(trampoline_start)
- movw $1, %dx # protected mode (PE) bit
- lmsw %dx # into protected mode
-
-- ljmpl $__BOOT_CS, $pa_startup_32
-+ ljmpl *(trampoline_header)
-
- .section ".text32","ax"
- .code32
-@@ -67,7 +71,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S
- .balign 8
- GLOBAL(trampoline_header)
- tr_start: .space 4
-- tr_gdt_pad: .space 2
-+ tr_boot_cs: .space 2
- tr_gdt: .space 6
- END(trampoline_header)
-
-diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
-index bb360dc..3e5945f 100644
---- a/arch/x86/realmode/rm/trampoline_64.S
-+++ b/arch/x86/realmode/rm/trampoline_64.S
-@@ -107,7 +107,7 @@ ENTRY(startup_32)
- wrmsr
-
- # Enable paging and in turn activate Long Mode
-- movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax
-+ movl $(X86_CR0_PG | X86_CR0_PE), %eax
- movl %eax, %cr0
-
- /*
-diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
-index 5a1847d..deccb30 100644
---- a/arch/x86/tools/relocs.c
-+++ b/arch/x86/tools/relocs.c
-@@ -12,10 +12,13 @@
- #include <regex.h>
- #include <tools/le_byteshift.h>
-
-+#include "../../../include/generated/autoconf.h"
-+
- static void die(char *fmt, ...);
-
- #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
- static Elf32_Ehdr ehdr;
-+static Elf32_Phdr *phdr;
- static unsigned long reloc_count, reloc_idx;
- static unsigned long *relocs;
- static unsigned long reloc16_count, reloc16_idx;
-@@ -330,9 +333,39 @@ static void read_ehdr(FILE *fp)
- }
- }
-
-+static void read_phdrs(FILE *fp)
-+{
-+ unsigned int i;
-+
-+ phdr = calloc(ehdr.e_phnum, sizeof(Elf32_Phdr));
-+ if (!phdr) {
-+ die("Unable to allocate %d program headers\n",
-+ ehdr.e_phnum);
-+ }
-+ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) {
-+ die("Seek to %d failed: %s\n",
-+ ehdr.e_phoff, strerror(errno));
-+ }
-+ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) {
-+ die("Cannot read ELF program headers: %s\n",
-+ strerror(errno));
-+ }
-+ for(i = 0; i < ehdr.e_phnum; i++) {
-+ phdr[i].p_type = elf32_to_cpu(phdr[i].p_type);
-+ phdr[i].p_offset = elf32_to_cpu(phdr[i].p_offset);
-+ phdr[i].p_vaddr = elf32_to_cpu(phdr[i].p_vaddr);
-+ phdr[i].p_paddr = elf32_to_cpu(phdr[i].p_paddr);
-+ phdr[i].p_filesz = elf32_to_cpu(phdr[i].p_filesz);
-+ phdr[i].p_memsz = elf32_to_cpu(phdr[i].p_memsz);
-+ phdr[i].p_flags = elf32_to_cpu(phdr[i].p_flags);
-+ phdr[i].p_align = elf32_to_cpu(phdr[i].p_align);
-+ }
-+
-+}
-+
- static void read_shdrs(FILE *fp)
- {
-- int i;
-+ unsigned int i;
- Elf32_Shdr shdr;
-
- secs = calloc(ehdr.e_shnum, sizeof(struct section));
-@@ -367,7 +400,7 @@ static void read_shdrs(FILE *fp)
-
- static void read_strtabs(FILE *fp)
- {
-- int i;
-+ unsigned int i;
- for (i = 0; i < ehdr.e_shnum; i++) {
- struct section *sec = &secs[i];
- if (sec->shdr.sh_type != SHT_STRTAB) {
-@@ -392,7 +425,7 @@ static void read_strtabs(FILE *fp)
-
- static void read_symtabs(FILE *fp)
- {
-- int i,j;
-+ unsigned int i,j;
- for (i = 0; i < ehdr.e_shnum; i++) {
- struct section *sec = &secs[i];
- if (sec->shdr.sh_type != SHT_SYMTAB) {
-@@ -423,9 +456,11 @@ static void read_symtabs(FILE *fp)
- }
-
-
--static void read_relocs(FILE *fp)
-+static void read_relocs(FILE *fp, int use_real_mode)
- {
-- int i,j;
-+ unsigned int i,j;
-+ uint32_t base;
-+
- for (i = 0; i < ehdr.e_shnum; i++) {
- struct section *sec = &secs[i];
- if (sec->shdr.sh_type != SHT_REL) {
-@@ -445,9 +480,22 @@ static void read_relocs(FILE *fp)
- die("Cannot read symbol table: %s\n",
- strerror(errno));
- }
-+ base = 0;
-+
-+#ifdef CONFIG_X86_32
-+ for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) {
-+ if (phdr[j].p_type != PT_LOAD )
-+ continue;
-+ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz)
-+ continue;
-+ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr;
-+ break;
-+ }
-+#endif
-+
- for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
- Elf32_Rel *rel = &sec->reltab[j];
-- rel->r_offset = elf32_to_cpu(rel->r_offset);
-+ rel->r_offset = elf32_to_cpu(rel->r_offset) + base;
- rel->r_info = elf32_to_cpu(rel->r_info);
- }
- }
-@@ -456,13 +504,13 @@ static void read_relocs(FILE *fp)
-
- static void print_absolute_symbols(void)
- {
-- int i;
-+ unsigned int i;
- printf("Absolute symbols\n");
- printf(" Num: Value Size Type Bind Visibility Name\n");
- for (i = 0; i < ehdr.e_shnum; i++) {
- struct section *sec = &secs[i];
- char *sym_strtab;
-- int j;
-+ unsigned int j;
-
- if (sec->shdr.sh_type != SHT_SYMTAB) {
- continue;
-@@ -489,14 +537,14 @@ static void print_absolute_symbols(void)
-
- static void print_absolute_relocs(void)
- {
-- int i, printed = 0;
-+ unsigned int i, printed = 0;
-
- for (i = 0; i < ehdr.e_shnum; i++) {
- struct section *sec = &secs[i];
- struct section *sec_applies, *sec_symtab;
- char *sym_strtab;
- Elf32_Sym *sh_symtab;
-- int j;
-+ unsigned int j;
- if (sec->shdr.sh_type != SHT_REL) {
- continue;
- }
-@@ -558,13 +606,13 @@ static void print_absolute_relocs(void)
- static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
- int use_real_mode)
- {
-- int i;
-+ unsigned int i;
- /* Walk through the relocations */
- for (i = 0; i < ehdr.e_shnum; i++) {
- char *sym_strtab;
- Elf32_Sym *sh_symtab;
- struct section *sec_applies, *sec_symtab;
-- int j;
-+ unsigned int j;
- struct section *sec = &secs[i];
-
- if (sec->shdr.sh_type != SHT_REL) {
-@@ -588,6 +636,24 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
- sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
- r_type = ELF32_R_TYPE(rel->r_info);
-
-+ if (!use_real_mode) {
-+ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */
-+ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load"))
-+ continue;
-+
-+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_X86_32)
-+ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */
-+ if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext"))
-+ continue;
-+ if (!strcmp(sec_name(sym->st_shndx), ".init.text"))
-+ continue;
-+ if (!strcmp(sec_name(sym->st_shndx), ".exit.text"))
-+ continue;
-+ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR"))
-+ continue;
-+#endif
-+ }
-+
- shn_abs = sym->st_shndx == SHN_ABS;
-
- switch (r_type) {
-@@ -681,7 +747,7 @@ static int write32(unsigned int v, FILE *f)
-
- static void emit_relocs(int as_text, int use_real_mode)
- {
-- int i;
-+ unsigned int i;
- /* Count how many relocations I have and allocate space for them. */
- reloc_count = 0;
- walk_relocs(count_reloc, use_real_mode);
-@@ -808,10 +874,11 @@ int main(int argc, char **argv)
- fname, strerror(errno));
- }
- read_ehdr(fp);
-+ read_phdrs(fp);
- read_shdrs(fp);
- read_strtabs(fp);
- read_symtabs(fp);
-- read_relocs(fp);
-+ read_relocs(fp, use_real_mode);
- if (show_absolute_syms) {
- print_absolute_symbols();
- return 0;
-diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
-index fd14be1..e3c79c0 100644
---- a/arch/x86/vdso/Makefile
-+++ b/arch/x86/vdso/Makefile
-@@ -181,7 +181,7 @@ quiet_cmd_vdso = VDSO $@
- -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
- sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
-
--VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
-+VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
- GCOV_PROFILE := n
-
- #
-diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
-index 66e6d93..587f435 100644
---- a/arch/x86/vdso/vdso32-setup.c
-+++ b/arch/x86/vdso/vdso32-setup.c
-@@ -25,6 +25,7 @@
- #include <asm/tlbflush.h>
- #include <asm/vdso.h>
- #include <asm/proto.h>
-+#include <asm/mman.h>
-
- enum {
- VDSO_DISABLED = 0,
-@@ -226,7 +227,7 @@ static inline void map_compat_vdso(int map)
- void enable_sep_cpu(void)
- {
- int cpu = get_cpu();
-- struct tss_struct *tss = &per_cpu(init_tss, cpu);
-+ struct tss_struct *tss = init_tss + cpu;
-
- if (!boot_cpu_has(X86_FEATURE_SEP)) {
- put_cpu();
-@@ -249,7 +250,7 @@ static int __init gate_vma_init(void)
- gate_vma.vm_start = FIXADDR_USER_START;
- gate_vma.vm_end = FIXADDR_USER_END;
- gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
-- gate_vma.vm_page_prot = __P101;
-+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
-
- return 0;
- }
-@@ -330,14 +331,14 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- if (compat)
- addr = VDSO_HIGH_BASE;
- else {
-- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
-+ addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, MAP_EXECUTABLE);
- if (IS_ERR_VALUE(addr)) {
- ret = addr;
- goto up_fail;
- }
- }
-
-- current->mm->context.vdso = (void *)addr;
-+ current->mm->context.vdso = addr;
-
- if (compat_uses_vma || !compat) {
- /*
-@@ -353,11 +354,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- }
-
- current_thread_info()->sysenter_return =
-- VDSO32_SYMBOL(addr, SYSENTER_RETURN);
-+ (__force void __user *)VDSO32_SYMBOL(addr, SYSENTER_RETURN);
-
- up_fail:
- if (ret)
-- current->mm->context.vdso = NULL;
-+ current->mm->context.vdso = 0;
-
- up_write(&mm->mmap_sem);
-
-@@ -404,8 +405,14 @@ __initcall(ia32_binfmt_init);
-
- const char *arch_vma_name(struct vm_area_struct *vma)
- {
-- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
-+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso)
- return "[vdso]";
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma->vm_mm && vma->vm_mirror && vma->vm_mirror->vm_start == vma->vm_mm->context.vdso)
-+ return "[vdso]";
-+#endif
-+
- return NULL;
- }
-
-@@ -415,7 +422,7 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
- * Check to see if the corresponding task was created in compat vdso
- * mode.
- */
-- if (mm && mm->context.vdso == (void *)VDSO_HIGH_BASE)
-+ if (mm && mm->context.vdso == VDSO_HIGH_BASE)
- return &gate_vma;
- return NULL;
- }
-diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
-index 00aaf04..4a26505 100644
---- a/arch/x86/vdso/vma.c
-+++ b/arch/x86/vdso/vma.c
-@@ -16,8 +16,6 @@
- #include <asm/vdso.h>
- #include <asm/page.h>
-
--unsigned int __read_mostly vdso_enabled = 1;
--
- extern char vdso_start[], vdso_end[];
- extern unsigned short vdso_sync_cpuid;
-
-@@ -141,7 +139,6 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
- * unaligned here as a result of stack start randomization.
- */
- addr = PAGE_ALIGN(addr);
-- addr = align_addr(addr, NULL, ALIGN_VDSO);
-
- return addr;
- }
-@@ -154,30 +151,31 @@ static int setup_additional_pages(struct linux_binprm *bprm,
- unsigned size)
- {
- struct mm_struct *mm = current->mm;
-- unsigned long addr;
-+ unsigned long addr = 0;
- int ret;
-
-- if (!vdso_enabled)
-- return 0;
--
- down_write(&mm->mmap_sem);
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- addr = vdso_addr(mm->start_stack, size);
-+ addr = align_addr(addr, NULL, ALIGN_VDSO);
- addr = get_unmapped_area(NULL, addr, size, 0, 0);
- if (IS_ERR_VALUE(addr)) {
- ret = addr;
- goto up_fail;
- }
-
-- current->mm->context.vdso = (void *)addr;
-+ mm->context.vdso = addr;
-
- ret = install_special_mapping(mm, addr, size,
- VM_READ|VM_EXEC|
- VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC,
- pages);
-- if (ret) {
-- current->mm->context.vdso = NULL;
-- goto up_fail;
-- }
-+ if (ret)
-+ mm->context.vdso = 0;
-
- up_fail:
- up_write(&mm->mmap_sem);
-@@ -197,10 +195,3 @@ int x32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- vdsox32_size);
- }
- #endif
--
--static __init int vdso_setup(char *s)
--{
-- vdso_enabled = simple_strtoul(s, NULL, 0);
-- return 0;
--}
--__setup("vdso=", vdso_setup);
-diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
-index ff962d4..2bb5e83 100644
---- a/arch/x86/xen/enlighten.c
-+++ b/arch/x86/xen/enlighten.c
-@@ -97,8 +97,6 @@ EXPORT_SYMBOL_GPL(xen_start_info);
-
- struct shared_info xen_dummy_shared_info;
-
--void *xen_initial_gdt;
--
- RESERVE_BRK(shared_info_page_brk, PAGE_SIZE);
- __read_mostly int xen_have_vector_callback;
- EXPORT_SYMBOL_GPL(xen_have_vector_callback);
-@@ -1175,30 +1173,30 @@ static const struct pv_apic_ops xen_apic_ops __initconst = {
- #endif
- };
-
--static void xen_reboot(int reason)
-+static __noreturn void xen_reboot(int reason)
- {
- struct sched_shutdown r = { .reason = reason };
-
-- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
-- BUG();
-+ HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
-+ BUG();
- }
-
--static void xen_restart(char *msg)
-+static __noreturn void xen_restart(char *msg)
- {
- xen_reboot(SHUTDOWN_reboot);
- }
-
--static void xen_emergency_restart(void)
-+static __noreturn void xen_emergency_restart(void)
- {
- xen_reboot(SHUTDOWN_reboot);
- }
-
--static void xen_machine_halt(void)
-+static __noreturn void xen_machine_halt(void)
- {
- xen_reboot(SHUTDOWN_poweroff);
- }
-
--static void xen_machine_power_off(void)
-+static __noreturn void xen_machine_power_off(void)
- {
- if (pm_power_off)
- pm_power_off();
-@@ -1301,7 +1299,17 @@ asmlinkage void __init xen_start_kernel(void)
- __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
-
- /* Work out if we support NX */
-- x86_configure_nx();
-+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
-+ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 &&
-+ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) {
-+ unsigned l, h;
-+
-+ __supported_pte_mask |= _PAGE_NX;
-+ rdmsr(MSR_EFER, l, h);
-+ l |= EFER_NX;
-+ wrmsr(MSR_EFER, l, h);
-+ }
-+#endif
-
- xen_setup_features();
-
-@@ -1332,13 +1340,6 @@ asmlinkage void __init xen_start_kernel(void)
-
- machine_ops = xen_machine_ops;
-
-- /*
-- * The only reliable way to retain the initial address of the
-- * percpu gdt_page is to remember it here, so we can go and
-- * mark it RW later, when the initial percpu area is freed.
-- */
-- xen_initial_gdt = &per_cpu(gdt_page, 0);
--
- xen_smp_init();
-
- #ifdef CONFIG_ACPI_NUMA
-diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
-index 3a73785..0d30df2 100644
---- a/arch/x86/xen/mmu.c
-+++ b/arch/x86/xen/mmu.c
-@@ -1738,6 +1738,9 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
- convert_pfn_mfn(init_level4_pgt);
- convert_pfn_mfn(level3_ident_pgt);
- convert_pfn_mfn(level3_kernel_pgt);
-+ convert_pfn_mfn(level3_vmalloc_start_pgt);
-+ convert_pfn_mfn(level3_vmalloc_end_pgt);
-+ convert_pfn_mfn(level3_vmemmap_pgt);
-
- l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd);
- l2 = m2v(l3[pud_index(__START_KERNEL_map)].pud);
-@@ -1756,7 +1759,11 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
- set_page_prot(init_level4_pgt, PAGE_KERNEL_RO);
- set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO);
- set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO);
-+ set_page_prot(level3_vmalloc_start_pgt, PAGE_KERNEL_RO);
-+ set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO);
-+ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO);
- set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO);
-+ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO);
- set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO);
- set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO);
-
-@@ -1940,6 +1947,7 @@ static void __init xen_post_allocator_init(void)
- pv_mmu_ops.set_pud = xen_set_pud;
- #if PAGETABLE_LEVELS == 4
- pv_mmu_ops.set_pgd = xen_set_pgd;
-+ pv_mmu_ops.set_pgd_batched = xen_set_pgd;
- #endif
-
- /* This will work as long as patching hasn't happened yet
-@@ -2021,6 +2029,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = {
- .pud_val = PV_CALLEE_SAVE(xen_pud_val),
- .make_pud = PV_CALLEE_SAVE(xen_make_pud),
- .set_pgd = xen_set_pgd_hyper,
-+ .set_pgd_batched = xen_set_pgd_hyper,
-
- .alloc_pud = xen_alloc_pmd_init,
- .release_pud = xen_release_pmd_init,
-diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
-index afb250d..627075f 100644
---- a/arch/x86/xen/smp.c
-+++ b/arch/x86/xen/smp.c
-@@ -231,11 +231,6 @@ static void __init xen_smp_prepare_boot_cpu(void)
- {
- BUG_ON(smp_processor_id() != 0);
- native_smp_prepare_boot_cpu();
--
-- /* We've switched to the "real" per-cpu gdt, so make sure the
-- old memory can be recycled */
-- make_lowmem_page_readwrite(xen_initial_gdt);
--
- xen_filter_cpu_maps();
- xen_setup_vcpu_info_placement();
- }
-@@ -302,12 +297,12 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
- gdt = get_cpu_gdt_table(cpu);
-
- ctxt->flags = VGCF_IN_KERNEL;
-- ctxt->user_regs.ds = __USER_DS;
-- ctxt->user_regs.es = __USER_DS;
-+ ctxt->user_regs.ds = __KERNEL_DS;
-+ ctxt->user_regs.es = __KERNEL_DS;
- ctxt->user_regs.ss = __KERNEL_DS;
- #ifdef CONFIG_X86_32
- ctxt->user_regs.fs = __KERNEL_PERCPU;
-- ctxt->user_regs.gs = __KERNEL_STACK_CANARY;
-+ savesegment(gs, ctxt->user_regs.gs);
- #else
- ctxt->gs_base_kernel = per_cpu_offset(cpu);
- #endif
-@@ -357,13 +352,12 @@ static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle)
- int rc;
-
- per_cpu(current_task, cpu) = idle;
-+ per_cpu(current_tinfo, cpu) = &idle->tinfo;
- #ifdef CONFIG_X86_32
- irq_ctx_init(cpu);
- #else
- clear_tsk_thread_flag(idle, TIF_FORK);
-- per_cpu(kernel_stack, cpu) =
-- (unsigned long)task_stack_page(idle) -
-- KERNEL_STACK_OFFSET + THREAD_SIZE;
-+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
- #endif
- xen_setup_runstate_info(cpu);
- xen_setup_timer(cpu);
-diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
-index f9643fc..602e8af 100644
---- a/arch/x86/xen/xen-asm_32.S
-+++ b/arch/x86/xen/xen-asm_32.S
-@@ -84,14 +84,14 @@ ENTRY(xen_iret)
- ESP_OFFSET=4 # bytes pushed onto stack
-
- /*
-- * Store vcpu_info pointer for easy access. Do it this way to
-- * avoid having to reload %fs
-+ * Store vcpu_info pointer for easy access.
- */
- #ifdef CONFIG_SMP
-- GET_THREAD_INFO(%eax)
-- movl TI_cpu(%eax), %eax
-- movl __per_cpu_offset(,%eax,4), %eax
-- mov xen_vcpu(%eax), %eax
-+ push %fs
-+ mov $(__KERNEL_PERCPU), %eax
-+ mov %eax, %fs
-+ mov PER_CPU_VAR(xen_vcpu), %eax
-+ pop %fs
- #else
- movl xen_vcpu, %eax
- #endif
-diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
-index aaa7291..3f77960 100644
---- a/arch/x86/xen/xen-head.S
-+++ b/arch/x86/xen/xen-head.S
-@@ -19,6 +19,17 @@ ENTRY(startup_xen)
- #ifdef CONFIG_X86_32
- mov %esi,xen_start_info
- mov $init_thread_union+THREAD_SIZE,%esp
-+#ifdef CONFIG_SMP
-+ movl $cpu_gdt_table,%edi
-+ movl $__per_cpu_load,%eax
-+ movw %ax,__KERNEL_PERCPU + 2(%edi)
-+ rorl $16,%eax
-+ movb %al,__KERNEL_PERCPU + 4(%edi)
-+ movb %ah,__KERNEL_PERCPU + 7(%edi)
-+ movl $__per_cpu_end - 1,%eax
-+ subl $__per_cpu_start,%eax
-+ movw %ax,__KERNEL_PERCPU + 0(%edi)
-+#endif
- #else
- mov %rsi,xen_start_info
- mov $init_thread_union+THREAD_SIZE,%rsp
-diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
-index 202d4c1..99b072a 100644
---- a/arch/x86/xen/xen-ops.h
-+++ b/arch/x86/xen/xen-ops.h
-@@ -10,8 +10,6 @@
- extern const char xen_hypervisor_callback[];
- extern const char xen_failsafe_callback[];
-
--extern void *xen_initial_gdt;
--
- struct trap_info;
- void xen_copy_trap_info(struct trap_info *traps);
-
-diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h
-index 525bd3d..ef888b1 100644
---- a/arch/xtensa/variants/dc232b/include/variant/core.h
-+++ b/arch/xtensa/variants/dc232b/include/variant/core.h
-@@ -119,9 +119,9 @@
- ----------------------------------------------------------------------*/
-
- #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */
--#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */
- #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */
- #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */
-+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
-
- #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */
- #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
-diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h
-index 2f33760..835e50a 100644
---- a/arch/xtensa/variants/fsf/include/variant/core.h
-+++ b/arch/xtensa/variants/fsf/include/variant/core.h
-@@ -11,6 +11,7 @@
- #ifndef _XTENSA_CORE_H
- #define _XTENSA_CORE_H
-
-+#include <linux/const.h>
-
- /****************************************************************************
- Parameters Useful for Any Code, USER or PRIVILEGED
-@@ -112,9 +113,9 @@
- ----------------------------------------------------------------------*/
-
- #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
--#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
- #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
- #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
-+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
-
- #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */
- #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */
-diff --git a/arch/xtensa/variants/s6000/include/variant/core.h b/arch/xtensa/variants/s6000/include/variant/core.h
-index af00795..2bb8105 100644
---- a/arch/xtensa/variants/s6000/include/variant/core.h
-+++ b/arch/xtensa/variants/s6000/include/variant/core.h
-@@ -11,6 +11,7 @@
- #ifndef _XTENSA_CORE_CONFIGURATION_H
- #define _XTENSA_CORE_CONFIGURATION_H
-
-+#include <linux/const.h>
-
- /****************************************************************************
- Parameters Useful for Any Code, USER or PRIVILEGED
-@@ -118,9 +119,9 @@
- ----------------------------------------------------------------------*/
-
- #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
--#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
- #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
- #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
-+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
-
- #define XCHAL_ICACHE_SIZE 32768 /* I-cache size in bytes or 0 */
- #define XCHAL_DCACHE_SIZE 32768 /* D-cache size in bytes or 0 */
-diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c
-index 58916af..9cb880b 100644
---- a/block/blk-iopoll.c
-+++ b/block/blk-iopoll.c
-@@ -77,7 +77,7 @@ void blk_iopoll_complete(struct blk_iopoll *iopoll)
- }
- EXPORT_SYMBOL(blk_iopoll_complete);
-
--static void blk_iopoll_softirq(struct softirq_action *h)
-+static void blk_iopoll_softirq(void)
- {
- struct list_head *list = &__get_cpu_var(blk_cpu_iopoll);
- int rearm = 0, budget = blk_iopoll_budget;
-diff --git a/block/blk-map.c b/block/blk-map.c
-index 623e1cd..ca1e109 100644
---- a/block/blk-map.c
-+++ b/block/blk-map.c
-@@ -302,7 +302,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
- if (!len || !kbuf)
- return -EINVAL;
-
-- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);
-+ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf);
- if (do_copy)
- bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);
- else
-diff --git a/block/blk-softirq.c b/block/blk-softirq.c
-index 467c8de..4bddc6d 100644
---- a/block/blk-softirq.c
-+++ b/block/blk-softirq.c
-@@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
- * Softirq action handler - move entries to local list and loop over them
- * while passing them to the queue registered handler.
- */
--static void blk_done_softirq(struct softirq_action *h)
-+static void blk_done_softirq(void)
- {
- struct list_head *cpu_list, local_list;
-
-diff --git a/block/bsg.c b/block/bsg.c
-index ff64ae3..593560c 100644
---- a/block/bsg.c
-+++ b/block/bsg.c
-@@ -176,16 +176,24 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
- struct sg_io_v4 *hdr, struct bsg_device *bd,
- fmode_t has_write_perm)
- {
-+ unsigned char tmpcmd[sizeof(rq->__cmd)];
-+ unsigned char *cmdptr;
-+
- if (hdr->request_len > BLK_MAX_CDB) {
- rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL);
- if (!rq->cmd)
- return -ENOMEM;
-- }
-+ cmdptr = rq->cmd;
-+ } else
-+ cmdptr = tmpcmd;
-
-- if (copy_from_user(rq->cmd, (void __user *)(unsigned long)hdr->request,
-+ if (copy_from_user(cmdptr, (void __user *)(unsigned long)hdr->request,
- hdr->request_len))
- return -EFAULT;
-
-+ if (cmdptr != rq->cmd)
-+ memcpy(rq->cmd, cmdptr, hdr->request_len);
-+
- if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) {
- if (blk_verify_command(rq->cmd, has_write_perm))
- return -EPERM;
-diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
-index 7c668c8..db3521c 100644
---- a/block/compat_ioctl.c
-+++ b/block/compat_ioctl.c
-@@ -340,7 +340,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode,
- err |= __get_user(f->spec1, &uf->spec1);
- err |= __get_user(f->fmt_gap, &uf->fmt_gap);
- err |= __get_user(name, &uf->name);
-- f->name = compat_ptr(name);
-+ f->name = (void __force_kernel *)compat_ptr(name);
- if (err) {
- err = -EFAULT;
- goto out;
-diff --git a/block/partitions/efi.c b/block/partitions/efi.c
-index 6296b40..417c00f 100644
---- a/block/partitions/efi.c
-+++ b/block/partitions/efi.c
-@@ -234,14 +234,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,
- if (!gpt)
- return NULL;
-
-+ if (!le32_to_cpu(gpt->num_partition_entries))
-+ return NULL;
-+ pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL);
-+ if (!pte)
-+ return NULL;
-+
- count = le32_to_cpu(gpt->num_partition_entries) *
- le32_to_cpu(gpt->sizeof_partition_entry);
-- if (!count)
-- return NULL;
-- pte = kzalloc(count, GFP_KERNEL);
-- if (!pte)
-- return NULL;
--
- if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba),
- (u8 *) pte,
- count) < count) {
-diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
-index 9a87daa..fb17486 100644
---- a/block/scsi_ioctl.c
-+++ b/block/scsi_ioctl.c
-@@ -223,8 +223,20 @@ EXPORT_SYMBOL(blk_verify_command);
- static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
- struct sg_io_hdr *hdr, fmode_t mode)
- {
-- if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
-+ unsigned char tmpcmd[sizeof(rq->__cmd)];
-+ unsigned char *cmdptr;
-+
-+ if (rq->cmd != rq->__cmd)
-+ cmdptr = rq->cmd;
-+ else
-+ cmdptr = tmpcmd;
-+
-+ if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len))
- return -EFAULT;
-+
-+ if (cmdptr != rq->cmd)
-+ memcpy(rq->cmd, cmdptr, hdr->cmd_len);
-+
- if (blk_verify_command(rq->cmd, mode & FMODE_WRITE))
- return -EPERM;
-
-@@ -433,6 +445,8 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
- int err;
- unsigned int in_len, out_len, bytes, opcode, cmdlen;
- char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
-+ unsigned char tmpcmd[sizeof(rq->__cmd)];
-+ unsigned char *cmdptr;
-
- if (!sic)
- return -EINVAL;
-@@ -466,9 +480,18 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
- */
- err = -EFAULT;
- rq->cmd_len = cmdlen;
-- if (copy_from_user(rq->cmd, sic->data, cmdlen))
-+
-+ if (rq->cmd != rq->__cmd)
-+ cmdptr = rq->cmd;
-+ else
-+ cmdptr = tmpcmd;
-+
-+ if (copy_from_user(cmdptr, sic->data, cmdlen))
- goto error;
-
-+ if (rq->cmd != cmdptr)
-+ memcpy(rq->cmd, cmdptr, cmdlen);
-+
- if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
- goto error;
-
-diff --git a/crypto/cryptd.c b/crypto/cryptd.c
-index 671d4d6..5f24030 100644
---- a/crypto/cryptd.c
-+++ b/crypto/cryptd.c
-@@ -63,7 +63,7 @@ struct cryptd_blkcipher_ctx {
-
- struct cryptd_blkcipher_request_ctx {
- crypto_completion_t complete;
--};
-+} __no_const;
-
- struct cryptd_hash_ctx {
- struct crypto_shash *child;
-@@ -80,7 +80,7 @@ struct cryptd_aead_ctx {
-
- struct cryptd_aead_request_ctx {
- crypto_completion_t complete;
--};
-+} __no_const;
-
- static void cryptd_queue_worker(struct work_struct *work);
-
-diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
-index e6defd8..c26a225 100644
---- a/drivers/acpi/apei/cper.c
-+++ b/drivers/acpi/apei/cper.c
-@@ -38,12 +38,12 @@
- */
- u64 cper_next_record_id(void)
- {
-- static atomic64_t seq;
-+ static atomic64_unchecked_t seq;
-
-- if (!atomic64_read(&seq))
-- atomic64_set(&seq, ((u64)get_seconds()) << 32);
-+ if (!atomic64_read_unchecked(&seq))
-+ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32);
-
-- return atomic64_inc_return(&seq);
-+ return atomic64_inc_return_unchecked(&seq);
- }
- EXPORT_SYMBOL_GPL(cper_next_record_id);
-
-diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
-index 7586544..636a2f0 100644
---- a/drivers/acpi/ec_sys.c
-+++ b/drivers/acpi/ec_sys.c
-@@ -12,6 +12,7 @@
- #include <linux/acpi.h>
- #include <linux/debugfs.h>
- #include <linux/module.h>
-+#include <linux/uaccess.h>
- #include "internal.h"
-
- MODULE_AUTHOR("Thomas Renninger <trenn(a)suse.de>");
-@@ -34,7 +35,7 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
- * struct acpi_ec *ec = ((struct seq_file *)f->private_data)->private;
- */
- unsigned int size = EC_SPACE_SIZE;
-- u8 *data = (u8 *) buf;
-+ u8 data;
- loff_t init_off = *off;
- int err = 0;
-
-@@ -47,9 +48,11 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
- size = count;
-
- while (size) {
-- err = ec_read(*off, &data[*off - init_off]);
-+ err = ec_read(*off, &data);
- if (err)
- return err;
-+ if (put_user(data, &buf[*off - init_off]))
-+ return -EFAULT;
- *off += 1;
- size--;
- }
-@@ -65,7 +68,6 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
-
- unsigned int size = count;
- loff_t init_off = *off;
-- u8 *data = (u8 *) buf;
- int err = 0;
-
- if (*off >= EC_SPACE_SIZE)
-@@ -76,7 +78,9 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
- }
-
- while (size) {
-- u8 byte_write = data[*off - init_off];
-+ u8 byte_write;
-+ if (get_user(byte_write, &buf[*off - init_off]))
-+ return -EFAULT;
- err = ec_write(*off, byte_write);
- if (err)
- return err;
-diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
-index 251c7b62..000462d 100644
---- a/drivers/acpi/proc.c
-+++ b/drivers/acpi/proc.c
-@@ -343,19 +343,13 @@ acpi_system_write_wakeup_device(struct file *file,
- size_t count, loff_t * ppos)
- {
- struct list_head *node, *next;
-- char strbuf[5];
-- char str[5] = "";
-- unsigned int len = count;
-+ char strbuf[5] = {0};
-
-- if (len > 4)
-- len = 4;
-- if (len < 0)
-+ if (count > 4)
-+ count = 4;
-+ if (copy_from_user(strbuf, buffer, count))
- return -EFAULT;
--
-- if (copy_from_user(strbuf, buffer, len))
-- return -EFAULT;
-- strbuf[len] = '\0';
-- sscanf(strbuf, "%s", str);
-+ strbuf[count] = '\0';
-
- mutex_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
-@@ -364,7 +358,7 @@ acpi_system_write_wakeup_device(struct file *file,
- if (!dev->wakeup.flags.valid)
- continue;
-
-- if (!strncmp(dev->pnp.bus_id, str, 4)) {
-+ if (!strncmp(dev->pnp.bus_id, strbuf, 4)) {
- if (device_can_wakeup(&dev->dev)) {
- bool enable = !device_may_wakeup(&dev->dev);
- device_set_wakeup_enable(&dev->dev, enable);
-diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
-index bbac51e..4c094f9 100644
---- a/drivers/acpi/processor_driver.c
-+++ b/drivers/acpi/processor_driver.c
-@@ -556,7 +556,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
- return 0;
- #endif
-
-- BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
-+ BUG_ON(pr->id >= nr_cpu_ids);
-
- /*
- * Buggy BIOS check
-diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
-index cece3a4..0845256 100644
---- a/drivers/ata/libata-core.c
-+++ b/drivers/ata/libata-core.c
-@@ -4743,7 +4743,7 @@ void ata_qc_free(struct ata_queued_cmd *qc)
- struct ata_port *ap;
- unsigned int tag;
-
-- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
-+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
- ap = qc->ap;
-
- qc->flags = 0;
-@@ -4759,7 +4759,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc)
- struct ata_port *ap;
- struct ata_link *link;
-
-- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
-+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
- WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE));
- ap = qc->ap;
- link = qc->dev->link;
-@@ -5823,6 +5823,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
- return;
-
- spin_lock(&lock);
-+ pax_open_kernel();
-
- for (cur = ops->inherits; cur; cur = cur->inherits) {
- void **inherit = (void **)cur;
-@@ -5836,8 +5837,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
- if (IS_ERR(*pp))
- *pp = NULL;
-
-- ops->inherits = NULL;
-+ *(struct ata_port_operations **)&ops->inherits = NULL;
-
-+ pax_close_kernel();
- spin_unlock(&lock);
- }
-
-diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
-index ac6a5be..c7176b1 100644
---- a/drivers/ata/pata_arasan_cf.c
-+++ b/drivers/ata/pata_arasan_cf.c
-@@ -862,7 +862,9 @@ static int __devinit arasan_cf_probe(struct platform_device *pdev)
- /* Handle platform specific quirks */
- if (pdata->quirk) {
- if (pdata->quirk & CF_BROKEN_PIO) {
-- ap->ops->set_piomode = NULL;
-+ pax_open_kernel();
-+ *(void **)&ap->ops->set_piomode = NULL;
-+ pax_close_kernel();
- ap->pio_mask = 0;
- }
- if (pdata->quirk & CF_BROKEN_MWDMA)
-diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
-index f9b983a..887b9d8 100644
---- a/drivers/atm/adummy.c
-+++ b/drivers/atm/adummy.c
-@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb)
- vcc->pop(vcc, skb);
- else
- dev_kfree_skb_any(skb);
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-
- return 0;
- }
-diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
-index 89b30f3..7964211 100644
---- a/drivers/atm/ambassador.c
-+++ b/drivers/atm/ambassador.c
-@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) {
- PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx);
-
- // VC layer stats
-- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
-+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
-
- // free the descriptor
- kfree (tx_descr);
-@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
- dump_skb ("<<<", vc, skb);
-
- // VC layer stats
-- atomic_inc(&atm_vcc->stats->rx);
-+ atomic_inc_unchecked(&atm_vcc->stats->rx);
- __net_timestamp(skb);
- // end of our responsibility
- atm_vcc->push (atm_vcc, skb);
-@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
- } else {
- PRINTK (KERN_INFO, "dropped over-size frame");
- // should we count this?
-- atomic_inc(&atm_vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
- }
-
- } else {
-@@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) {
- }
-
- if (check_area (skb->data, skb->len)) {
-- atomic_inc(&atm_vcc->stats->tx_err);
-+ atomic_inc_unchecked(&atm_vcc->stats->tx_err);
- return -ENOMEM; // ?
- }
-
-diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
-index b22d71c..d6e1049 100644
---- a/drivers/atm/atmtcp.c
-+++ b/drivers/atm/atmtcp.c
-@@ -207,7 +207,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
- if (vcc->pop) vcc->pop(vcc,skb);
- else dev_kfree_skb(skb);
- if (dev_data) return 0;
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- return -ENOLINK;
- }
- size = skb->len+sizeof(struct atmtcp_hdr);
-@@ -215,7 +215,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
- if (!new_skb) {
- if (vcc->pop) vcc->pop(vcc,skb);
- else dev_kfree_skb(skb);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- return -ENOBUFS;
- }
- hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr));
-@@ -226,8 +226,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
- if (vcc->pop) vcc->pop(vcc,skb);
- else dev_kfree_skb(skb);
- out_vcc->push(out_vcc,new_skb);
-- atomic_inc(&vcc->stats->tx);
-- atomic_inc(&out_vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-+ atomic_inc_unchecked(&out_vcc->stats->rx);
- return 0;
- }
-
-@@ -301,7 +301,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
- out_vcc = find_vcc(dev, ntohs(hdr->vpi), ntohs(hdr->vci));
- read_unlock(&vcc_sklist_lock);
- if (!out_vcc) {
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- goto done;
- }
- skb_pull(skb,sizeof(struct atmtcp_hdr));
-@@ -313,8 +313,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
- __net_timestamp(new_skb);
- skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
- out_vcc->push(out_vcc,new_skb);
-- atomic_inc(&vcc->stats->tx);
-- atomic_inc(&out_vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-+ atomic_inc_unchecked(&out_vcc->stats->rx);
- done:
- if (vcc->pop) vcc->pop(vcc,skb);
- else dev_kfree_skb(skb);
-diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
-index 2059ee4..faf51c7 100644
---- a/drivers/atm/eni.c
-+++ b/drivers/atm/eni.c
-@@ -522,7 +522,7 @@ static int rx_aal0(struct atm_vcc *vcc)
- DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n",
- vcc->dev->number);
- length = 0;
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- }
- else {
- length = ATM_CELL_SIZE-1; /* no HEC */
-@@ -577,7 +577,7 @@ static int rx_aal5(struct atm_vcc *vcc)
- size);
- }
- eff = length = 0;
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- }
- else {
- size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2);
-@@ -594,7 +594,7 @@ static int rx_aal5(struct atm_vcc *vcc)
- "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n",
- vcc->dev->number,vcc->vci,length,size << 2,descr);
- length = eff = 0;
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- }
- }
- skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL;
-@@ -767,7 +767,7 @@ rx_dequeued++;
- vcc->push(vcc,skb);
- pushed++;
- }
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
- wake_up(&eni_dev->rx_wait);
- }
-@@ -1227,7 +1227,7 @@ static void dequeue_tx(struct atm_dev *dev)
- PCI_DMA_TODEVICE);
- if (vcc->pop) vcc->pop(vcc,skb);
- else dev_kfree_skb_irq(skb);
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- wake_up(&eni_dev->tx_wait);
- dma_complete++;
- }
-@@ -1567,7 +1567,7 @@ tx_complete++;
- /*--------------------------------- entries ---------------------------------*/
-
-
--static const char *media_name[] __devinitdata = {
-+static const char *media_name[] __devinitconst = {
- "MMF", "SMF", "MMF", "03?", /* 0- 3 */
- "UTP", "05?", "06?", "07?", /* 4- 7 */
- "TAXI","09?", "10?", "11?", /* 8-11 */
-diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
-index 86fed1b..6dc4721 100644
---- a/drivers/atm/firestream.c
-+++ b/drivers/atm/firestream.c
-@@ -749,7 +749,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q)
- }
- }
-
-- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
-+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
-
- fs_dprintk (FS_DEBUG_TXMEM, "i");
- fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb);
-@@ -816,7 +816,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
- #endif
- skb_put (skb, qe->p1 & 0xffff);
- ATM_SKB(skb)->vcc = atm_vcc;
-- atomic_inc(&atm_vcc->stats->rx);
-+ atomic_inc_unchecked(&atm_vcc->stats->rx);
- __net_timestamp(skb);
- fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb);
- atm_vcc->push (atm_vcc, skb);
-@@ -837,12 +837,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
- kfree (pe);
- }
- if (atm_vcc)
-- atomic_inc(&atm_vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
- break;
- case 0x1f: /* Reassembly abort: no buffers. */
- /* Silently increment error counter. */
- if (atm_vcc)
-- atomic_inc(&atm_vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
- break;
- default: /* Hmm. Haven't written the code to handle the others yet... -- REW */
- printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n",
-diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
-index 361f5ae..7fc552d 100644
---- a/drivers/atm/fore200e.c
-+++ b/drivers/atm/fore200e.c
-@@ -933,9 +933,9 @@ fore200e_tx_irq(struct fore200e* fore200e)
- #endif
- /* check error condition */
- if (*entry->status & STATUS_ERROR)
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- else
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- }
- }
-
-@@ -1084,7 +1084,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
- if (skb == NULL) {
- DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len);
-
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- return -ENOMEM;
- }
-
-@@ -1127,14 +1127,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
-
- dev_kfree_skb_any(skb);
-
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- return -ENOMEM;
- }
-
- ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
-
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
-
-@@ -1212,7 +1212,7 @@ fore200e_rx_irq(struct fore200e* fore200e)
- DPRINTK(2, "damaged PDU on %d.%d.%d\n",
- fore200e->atm_dev->number,
- entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- }
- }
-
-@@ -1657,7 +1657,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb)
- goto retry_here;
- }
-
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
-
- fore200e->tx_sat++;
- DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n",
-diff --git a/drivers/atm/he.c b/drivers/atm/he.c
-index b182c2f..1c6fa8a 100644
---- a/drivers/atm/he.c
-+++ b/drivers/atm/he.c
-@@ -1709,7 +1709,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
-
- if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) {
- hprintk("HBUF_ERR! (cid 0x%x)\n", cid);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- goto return_host_buffers;
- }
-
-@@ -1736,7 +1736,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
- RBRQ_LEN_ERR(he_dev->rbrq_head)
- ? "LEN_ERR" : "",
- vcc->vpi, vcc->vci);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto return_host_buffers;
- }
-
-@@ -1788,7 +1788,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
- vcc->push(vcc, skb);
- spin_lock(&he_dev->global_lock);
-
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- return_host_buffers:
- ++pdus_assembled;
-@@ -2114,7 +2114,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid)
- tpd->vcc->pop(tpd->vcc, tpd->skb);
- else
- dev_kfree_skb_any(tpd->skb);
-- atomic_inc(&tpd->vcc->stats->tx_err);
-+ atomic_inc_unchecked(&tpd->vcc->stats->tx_err);
- }
- pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
- return;
-@@ -2526,7 +2526,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
- vcc->pop(vcc, skb);
- else
- dev_kfree_skb_any(skb);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- return -EINVAL;
- }
-
-@@ -2537,7 +2537,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
- vcc->pop(vcc, skb);
- else
- dev_kfree_skb_any(skb);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- return -EINVAL;
- }
- #endif
-@@ -2549,7 +2549,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
- vcc->pop(vcc, skb);
- else
- dev_kfree_skb_any(skb);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- spin_unlock_irqrestore(&he_dev->global_lock, flags);
- return -ENOMEM;
- }
-@@ -2591,7 +2591,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
- vcc->pop(vcc, skb);
- else
- dev_kfree_skb_any(skb);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- spin_unlock_irqrestore(&he_dev->global_lock, flags);
- return -ENOMEM;
- }
-@@ -2622,7 +2622,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
- __enqueue_tpd(he_dev, tpd, cid);
- spin_unlock_irqrestore(&he_dev->global_lock, flags);
-
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-
- return 0;
- }
-diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
-index 7d01c2a..4e3ac01 100644
---- a/drivers/atm/horizon.c
-+++ b/drivers/atm/horizon.c
-@@ -1034,7 +1034,7 @@ static void rx_schedule (hrz_dev * dev, int irq) {
- {
- struct atm_vcc * vcc = ATM_SKB(skb)->vcc;
- // VC layer stats
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- __net_timestamp(skb);
- // end of our responsibility
- vcc->push (vcc, skb);
-@@ -1186,7 +1186,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) {
- dev->tx_iovec = NULL;
-
- // VC layer stats
-- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
-+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
-
- // free the skb
- hrz_kfree_skb (skb);
-diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
-index 8974bd2..b856f85 100644
---- a/drivers/atm/idt77252.c
-+++ b/drivers/atm/idt77252.c
-@@ -812,7 +812,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc)
- else
- dev_kfree_skb(skb);
-
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- }
-
- atomic_dec(&scq->used);
-@@ -1075,13 +1075,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- if ((sb = dev_alloc_skb(64)) == NULL) {
- printk("%s: Can't allocate buffers for aal0.\n",
- card->name);
-- atomic_add(i, &vcc->stats->rx_drop);
-+ atomic_add_unchecked(i, &vcc->stats->rx_drop);
- break;
- }
- if (!atm_charge(vcc, sb->truesize)) {
- RXPRINTK("%s: atm_charge() dropped aal0 packets.\n",
- card->name);
-- atomic_add(i - 1, &vcc->stats->rx_drop);
-+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop);
- dev_kfree_skb(sb);
- break;
- }
-@@ -1098,7 +1098,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- ATM_SKB(sb)->vcc = vcc;
- __net_timestamp(sb);
- vcc->push(vcc, sb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- cell += ATM_CELL_PAYLOAD;
- }
-@@ -1135,13 +1135,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- "(CDC: %08x)\n",
- card->name, len, rpp->len, readl(SAR_REG_CDC));
- recycle_rx_pool_skb(card, rpp);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- return;
- }
- if (stat & SAR_RSQE_CRC) {
- RXPRINTK("%s: AAL5 CRC error.\n", card->name);
- recycle_rx_pool_skb(card, rpp);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- return;
- }
- if (skb_queue_len(&rpp->queue) > 1) {
-@@ -1152,7 +1152,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- RXPRINTK("%s: Can't alloc RX skb.\n",
- card->name);
- recycle_rx_pool_skb(card, rpp);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- return;
- }
- if (!atm_charge(vcc, skb->truesize)) {
-@@ -1171,7 +1171,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- __net_timestamp(skb);
-
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- return;
- }
-@@ -1193,7 +1193,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
- __net_timestamp(skb);
-
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- if (skb->truesize > SAR_FB_SIZE_3)
- add_rx_skb(card, 3, SAR_FB_SIZE_3, 1);
-@@ -1304,14 +1304,14 @@ idt77252_rx_raw(struct idt77252_dev *card)
- if (vcc->qos.aal != ATM_AAL0) {
- RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n",
- card->name, vpi, vci);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- goto drop;
- }
-
- if ((sb = dev_alloc_skb(64)) == NULL) {
- printk("%s: Can't allocate buffers for AAL0.\n",
- card->name);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto drop;
- }
-
-@@ -1330,7 +1330,7 @@ idt77252_rx_raw(struct idt77252_dev *card)
- ATM_SKB(sb)->vcc = vcc;
- __net_timestamp(sb);
- vcc->push(vcc, sb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
-
- drop:
- skb_pull(queue, 64);
-@@ -1955,13 +1955,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
-
- if (vc == NULL) {
- printk("%s: NULL connection in send().\n", card->name);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb(skb);
- return -EINVAL;
- }
- if (!test_bit(VCF_TX, &vc->flags)) {
- printk("%s: Trying to transmit on a non-tx VC.\n", card->name);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb(skb);
- return -EINVAL;
- }
-@@ -1973,14 +1973,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
- break;
- default:
- printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb(skb);
- return -EINVAL;
- }
-
- if (skb_shinfo(skb)->nr_frags != 0) {
- printk("%s: No scatter-gather yet.\n", card->name);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb(skb);
- return -EINVAL;
- }
-@@ -1988,7 +1988,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
-
- err = queue_skb(card, vc, skb, oam);
- if (err) {
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb(skb);
- return err;
- }
-@@ -2011,7 +2011,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags)
- skb = dev_alloc_skb(64);
- if (!skb) {
- printk("%s: Out of memory in send_oam().\n", card->name);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- return -ENOMEM;
- }
- atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
-diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
-index d438601..8b98495 100644
---- a/drivers/atm/iphase.c
-+++ b/drivers/atm/iphase.c
-@@ -1145,7 +1145,7 @@ static int rx_pkt(struct atm_dev *dev)
- status = (u_short) (buf_desc_ptr->desc_mode);
- if (status & (RX_CER | RX_PTE | RX_OFL))
- {
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- IF_ERR(printk("IA: bad packet, dropping it");)
- if (status & RX_CER) {
- IF_ERR(printk(" cause: packet CRC error\n");)
-@@ -1168,7 +1168,7 @@ static int rx_pkt(struct atm_dev *dev)
- len = dma_addr - buf_addr;
- if (len > iadev->rx_buf_sz) {
- printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto out_free_desc;
- }
-
-@@ -1318,7 +1318,7 @@ static void rx_dle_intr(struct atm_dev *dev)
- ia_vcc = INPH_IA_VCC(vcc);
- if (ia_vcc == NULL)
- {
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- atm_return(vcc, skb->truesize);
- dev_kfree_skb_any(skb);
- goto INCR_DLE;
-@@ -1330,7 +1330,7 @@ static void rx_dle_intr(struct atm_dev *dev)
- if ((length > iadev->rx_buf_sz) || (length >
- (skb->len - sizeof(struct cpcs_trailer))))
- {
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)",
- length, skb->len);)
- atm_return(vcc, skb->truesize);
-@@ -1346,7 +1346,7 @@ static void rx_dle_intr(struct atm_dev *dev)
-
- IF_RX(printk("rx_dle_intr: skb push");)
- vcc->push(vcc,skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- iadev->rx_pkt_cnt++;
- }
- INCR_DLE:
-@@ -2826,15 +2826,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
- {
- struct k_sonet_stats *stats;
- stats = &PRIV(_ia_dev[board])->sonet_stats;
-- printk("section_bip: %d\n", atomic_read(&stats->section_bip));
-- printk("line_bip : %d\n", atomic_read(&stats->line_bip));
-- printk("path_bip : %d\n", atomic_read(&stats->path_bip));
-- printk("line_febe : %d\n", atomic_read(&stats->line_febe));
-- printk("path_febe : %d\n", atomic_read(&stats->path_febe));
-- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs));
-- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs));
-- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells));
-- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells));
-+ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip));
-+ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip));
-+ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip));
-+ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe));
-+ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe));
-+ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs));
-+ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs));
-+ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells));
-+ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells));
- }
- ia_cmds.status = 0;
- break;
-@@ -2939,7 +2939,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
- if ((desc == 0) || (desc > iadev->num_tx_desc))
- {
- IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);)
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- if (vcc->pop)
- vcc->pop(vcc, skb);
- else
-@@ -3044,14 +3044,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
- ATM_DESC(skb) = vcc->vci;
- skb_queue_tail(&iadev->tx_dma_q, skb);
-
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- iadev->tx_pkt_cnt++;
- /* Increment transaction counter */
- writel(2, iadev->dma+IPHASE5575_TX_COUNTER);
-
- #if 0
- /* add flow control logic */
-- if (atomic_read(&vcc->stats->tx) % 20 == 0) {
-+ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) {
- if (iavcc->vc_desc_cnt > 10) {
- vcc->tx_quota = vcc->tx_quota * 3 / 4;
- printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota );
-diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
-index 68c7588..7036683 100644
---- a/drivers/atm/lanai.c
-+++ b/drivers/atm/lanai.c
-@@ -1303,7 +1303,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai,
- vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0);
- lanai_endtx(lanai, lvcc);
- lanai_free_skb(lvcc->tx.atmvcc, skb);
-- atomic_inc(&lvcc->tx.atmvcc->stats->tx);
-+ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx);
- }
-
- /* Try to fill the buffer - don't call unless there is backlog */
-@@ -1426,7 +1426,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr)
- ATM_SKB(skb)->vcc = lvcc->rx.atmvcc;
- __net_timestamp(skb);
- lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb);
-- atomic_inc(&lvcc->rx.atmvcc->stats->rx);
-+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx);
- out:
- lvcc->rx.buf.ptr = end;
- cardvcc_write(lvcc, endptr, vcc_rxreadptr);
-@@ -1667,7 +1667,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
- DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 "
- "vcc %d\n", lanai->number, (unsigned int) s, vci);
- lanai->stats.service_rxnotaal5++;
-- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
-+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
- return 0;
- }
- if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) {
-@@ -1679,7 +1679,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
- int bytes;
- read_unlock(&vcc_sklist_lock);
- DPRINTK("got trashed rx pdu on vci %d\n", vci);
-- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
-+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
- lvcc->stats.x.aal5.service_trash++;
- bytes = (SERVICE_GET_END(s) * 16) -
- (((unsigned long) lvcc->rx.buf.ptr) -
-@@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
- }
- if (s & SERVICE_STREAM) {
- read_unlock(&vcc_sklist_lock);
-- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
-+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
- lvcc->stats.x.aal5.service_stream++;
- printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream "
- "PDU on VCI %d!\n", lanai->number, vci);
-@@ -1699,7 +1699,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
- return 0;
- }
- DPRINTK("got rx crc error on vci %d\n", vci);
-- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
-+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
- lvcc->stats.x.aal5.service_rxcrc++;
- lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4];
- cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr);
-diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
-index 1c70c45..300718d 100644
---- a/drivers/atm/nicstar.c
-+++ b/drivers/atm/nicstar.c
-@@ -1654,7 +1654,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
- if ((vc = (vc_map *) vcc->dev_data) == NULL) {
- printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n",
- card->index);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb_any(skb);
- return -EINVAL;
- }
-@@ -1662,7 +1662,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
- if (!vc->tx) {
- printk("nicstar%d: Trying to transmit on a non-tx VC.\n",
- card->index);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb_any(skb);
- return -EINVAL;
- }
-@@ -1670,14 +1670,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
- if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) {
- printk("nicstar%d: Only AAL0 and AAL5 are supported.\n",
- card->index);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb_any(skb);
- return -EINVAL;
- }
-
- if (skb_shinfo(skb)->nr_frags != 0) {
- printk("nicstar%d: No scatter-gather yet.\n", card->index);
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb_any(skb);
- return -EINVAL;
- }
-@@ -1725,11 +1725,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
- }
-
- if (push_scqe(card, vc, scq, &scqe, skb) != 0) {
-- atomic_inc(&vcc->stats->tx_err);
-+ atomic_inc_unchecked(&vcc->stats->tx_err);
- dev_kfree_skb_any(skb);
- return -EIO;
- }
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-
- return 0;
- }
-@@ -2046,14 +2046,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- printk
- ("nicstar%d: Can't allocate buffers for aal0.\n",
- card->index);
-- atomic_add(i, &vcc->stats->rx_drop);
-+ atomic_add_unchecked(i, &vcc->stats->rx_drop);
- break;
- }
- if (!atm_charge(vcc, sb->truesize)) {
- RXPRINTK
- ("nicstar%d: atm_charge() dropped aal0 packets.\n",
- card->index);
-- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
-+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
- dev_kfree_skb_any(sb);
- break;
- }
-@@ -2068,7 +2068,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ATM_SKB(sb)->vcc = vcc;
- __net_timestamp(sb);
- vcc->push(vcc, sb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- cell += ATM_CELL_PAYLOAD;
- }
-
-@@ -2085,7 +2085,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- if (iovb == NULL) {
- printk("nicstar%d: Out of iovec buffers.\n",
- card->index);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- recycle_rx_buf(card, skb);
- return;
- }
-@@ -2109,7 +2109,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- small or large buffer itself. */
- } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) {
- printk("nicstar%d: received too big AAL5 SDU.\n", card->index);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
- NS_MAX_IOVECS);
- NS_PRV_IOVCNT(iovb) = 0;
-@@ -2129,7 +2129,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ("nicstar%d: Expected a small buffer, and this is not one.\n",
- card->index);
- which_list(card, skb);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- recycle_rx_buf(card, skb);
- vc->rx_iov = NULL;
- recycle_iov_buf(card, iovb);
-@@ -2142,7 +2142,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ("nicstar%d: Expected a large buffer, and this is not one.\n",
- card->index);
- which_list(card, skb);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
- NS_PRV_IOVCNT(iovb));
- vc->rx_iov = NULL;
-@@ -2165,7 +2165,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- printk(" - PDU size mismatch.\n");
- else
- printk(".\n");
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
- NS_PRV_IOVCNT(iovb));
- vc->rx_iov = NULL;
-@@ -2179,7 +2179,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- /* skb points to a small buffer */
- if (!atm_charge(vcc, skb->truesize)) {
- push_rxbufs(card, skb);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- } else {
- skb_put(skb, len);
- dequeue_sm_buf(card, skb);
-@@ -2189,7 +2189,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ATM_SKB(skb)->vcc = vcc;
- __net_timestamp(skb);
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
- } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */
- struct sk_buff *sb;
-@@ -2200,7 +2200,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- if (len <= NS_SMBUFSIZE) {
- if (!atm_charge(vcc, sb->truesize)) {
- push_rxbufs(card, sb);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- } else {
- skb_put(sb, len);
- dequeue_sm_buf(card, sb);
-@@ -2210,7 +2210,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ATM_SKB(sb)->vcc = vcc;
- __net_timestamp(sb);
- vcc->push(vcc, sb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
-
- push_rxbufs(card, skb);
-@@ -2219,7 +2219,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
-
- if (!atm_charge(vcc, skb->truesize)) {
- push_rxbufs(card, skb);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- } else {
- dequeue_lg_buf(card, skb);
- #ifdef NS_USE_DESTRUCTORS
-@@ -2232,7 +2232,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- ATM_SKB(skb)->vcc = vcc;
- __net_timestamp(skb);
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
-
- push_rxbufs(card, sb);
-@@ -2253,7 +2253,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- printk
- ("nicstar%d: Out of huge buffers.\n",
- card->index);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- recycle_iovec_rx_bufs(card,
- (struct iovec *)
- iovb->data,
-@@ -2304,7 +2304,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- card->hbpool.count++;
- } else
- dev_kfree_skb_any(hb);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- } else {
- /* Copy the small buffer to the huge buffer */
- sb = (struct sk_buff *)iov->iov_base;
-@@ -2341,7 +2341,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
- #endif /* NS_USE_DESTRUCTORS */
- __net_timestamp(hb);
- vcc->push(vcc, hb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
- }
-
-diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
-index 9851093..adb2b1e 100644
---- a/drivers/atm/solos-pci.c
-+++ b/drivers/atm/solos-pci.c
-@@ -714,7 +714,7 @@ void solos_bh(unsigned long card_arg)
- }
- atm_charge(vcc, skb->truesize);
- vcc->push(vcc, skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- break;
-
- case PKT_STATUS:
-@@ -1009,7 +1009,7 @@ static uint32_t fpga_tx(struct solos_card *card)
- vcc = SKB_CB(oldskb)->vcc;
-
- if (vcc) {
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- solos_pop(vcc, oldskb);
- } else
- dev_kfree_skb_irq(oldskb);
-diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c
-index 0215934..ce9f5b1 100644
---- a/drivers/atm/suni.c
-+++ b/drivers/atm/suni.c
-@@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock);
-
-
- #define ADD_LIMITED(s,v) \
-- atomic_add((v),&stats->s); \
-- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX);
-+ atomic_add_unchecked((v),&stats->s); \
-+ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX);
-
-
- static void suni_hz(unsigned long from_timer)
-diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c
-index 5120a96..e2572bd 100644
---- a/drivers/atm/uPD98402.c
-+++ b/drivers/atm/uPD98402.c
-@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze
- struct sonet_stats tmp;
- int error = 0;
-
-- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
-+ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
- sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp);
- if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp));
- if (zero && !error) {
-@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
-
-
- #define ADD_LIMITED(s,v) \
-- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \
-- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \
-- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); }
-+ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \
-+ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \
-+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); }
-
-
- static void stat_event(struct atm_dev *dev)
-@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev)
- if (reason & uPD98402_INT_PFM) stat_event(dev);
- if (reason & uPD98402_INT_PCO) {
- (void) GET(PCOCR); /* clear interrupt cause */
-- atomic_add(GET(HECCT),
-+ atomic_add_unchecked(GET(HECCT),
- &PRIV(dev)->sonet_stats.uncorr_hcs);
- }
- if ((reason & uPD98402_INT_RFO) &&
-@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev)
- PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO |
- uPD98402_INT_LOS),PIMR); /* enable them */
- (void) fetch_stats(dev,NULL,1); /* clear kernel counters */
-- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1);
-- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1);
-- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1);
-+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1);
-+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1);
-+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1);
- return 0;
- }
-
-diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
-index abe4e20..83c4727 100644
---- a/drivers/atm/zatm.c
-+++ b/drivers/atm/zatm.c
-@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
- }
- if (!size) {
- dev_kfree_skb_irq(skb);
-- if (vcc) atomic_inc(&vcc->stats->rx_err);
-+ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err);
- continue;
- }
- if (!atm_charge(vcc,skb->truesize)) {
-@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
- skb->len = size;
- ATM_SKB(skb)->vcc = vcc;
- vcc->push(vcc,skb);
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- }
- zout(pos & 0xffff,MTA(mbx));
- #if 0 /* probably a stupid idea */
-@@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP |
- skb_queue_head(&zatm_vcc->backlog,skb);
- break;
- }
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
- wake_up(&zatm_vcc->tx_wait);
- }
-
-diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
-index 765c3a2..771ace6 100644
---- a/drivers/base/devtmpfs.c
-+++ b/drivers/base/devtmpfs.c
-@@ -368,7 +368,7 @@ int devtmpfs_mount(const char *mntdir)
- if (!thread)
- return 0;
-
-- err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL);
-+ err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL);
- if (err)
- printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
- else
-diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
-index cbb463b..babe2cf 100644
---- a/drivers/base/power/wakeup.c
-+++ b/drivers/base/power/wakeup.c
-@@ -29,14 +29,14 @@ bool events_check_enabled __read_mostly;
- * They need to be modified together atomically, so it's better to use one
- * atomic variable to hold them both.
- */
--static atomic_t combined_event_count = ATOMIC_INIT(0);
-+static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0);
-
- #define IN_PROGRESS_BITS (sizeof(int) * 4)
- #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1)
-
- static void split_counters(unsigned int *cnt, unsigned int *inpr)
- {
-- unsigned int comb = atomic_read(&combined_event_count);
-+ unsigned int comb = atomic_read_unchecked(&combined_event_count);
-
- *cnt = (comb >> IN_PROGRESS_BITS);
- *inpr = comb & MAX_IN_PROGRESS;
-@@ -385,7 +385,7 @@ static void wakeup_source_activate(struct wakeup_source *ws)
- ws->start_prevent_time = ws->last_time;
-
- /* Increment the counter of events in progress. */
-- cec = atomic_inc_return(&combined_event_count);
-+ cec = atomic_inc_return_unchecked(&combined_event_count);
-
- trace_wakeup_source_activate(ws->name, cec);
- }
-@@ -511,7 +511,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws)
- * Increment the counter of registered wakeup events and decrement the
- * couter of wakeup events in progress simultaneously.
- */
-- cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count);
-+ cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count);
- trace_wakeup_source_deactivate(ws->name, cec);
-
- split_counters(&cnt, &inpr);
-diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
-index b0f553b..77b928b 100644
---- a/drivers/block/cciss.c
-+++ b/drivers/block/cciss.c
-@@ -1198,6 +1198,8 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
- int err;
- u32 cp;
-
-+ memset(&arg64, 0, sizeof(arg64));
-+
- err = 0;
- err |=
- copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
-@@ -3007,7 +3009,7 @@ static void start_io(ctlr_info_t *h)
- while (!list_empty(&h->reqQ)) {
- c = list_entry(h->reqQ.next, CommandList_struct, list);
- /* can't do anything if fifo is full */
-- if ((h->access.fifo_full(h))) {
-+ if ((h->access->fifo_full(h))) {
- dev_warn(&h->pdev->dev, "fifo full\n");
- break;
- }
-@@ -3017,7 +3019,7 @@ static void start_io(ctlr_info_t *h)
- h->Qdepth--;
-
- /* Tell the controller execute command */
-- h->access.submit_command(h, c);
-+ h->access->submit_command(h, c);
-
- /* Put job onto the completed Q */
- addQ(&h->cmpQ, c);
-@@ -3443,17 +3445,17 @@ startio:
-
- static inline unsigned long get_next_completion(ctlr_info_t *h)
- {
-- return h->access.command_completed(h);
-+ return h->access->command_completed(h);
- }
-
- static inline int interrupt_pending(ctlr_info_t *h)
- {
-- return h->access.intr_pending(h);
-+ return h->access->intr_pending(h);
- }
-
- static inline long interrupt_not_for_us(ctlr_info_t *h)
- {
-- return ((h->access.intr_pending(h) == 0) ||
-+ return ((h->access->intr_pending(h) == 0) ||
- (h->interrupts_enabled == 0));
- }
-
-@@ -3486,7 +3488,7 @@ static inline u32 next_command(ctlr_info_t *h)
- u32 a;
-
- if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
-- return h->access.command_completed(h);
-+ return h->access->command_completed(h);
-
- if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
- a = *(h->reply_pool_head); /* Next cmd in ring buffer */
-@@ -4044,7 +4046,7 @@ static void __devinit cciss_put_controller_into_performant_mode(ctlr_info_t *h)
- trans_support & CFGTBL_Trans_use_short_tags);
-
- /* Change the access methods to the performant access methods */
-- h->access = SA5_performant_access;
-+ h->access = &SA5_performant_access;
- h->transMethod = CFGTBL_Trans_Performant;
-
- return;
-@@ -4316,7 +4318,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
- if (prod_index < 0)
- return -ENODEV;
- h->product_name = products[prod_index].product_name;
-- h->access = *(products[prod_index].access);
-+ h->access = products[prod_index].access;
-
- if (cciss_board_disabled(h)) {
- dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
-@@ -5041,7 +5043,7 @@ reinit_after_soft_reset:
- }
-
- /* make sure the board interrupts are off */
-- h->access.set_intr_mask(h, CCISS_INTR_OFF);
-+ h->access->set_intr_mask(h, CCISS_INTR_OFF);
- rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx);
- if (rc)
- goto clean2;
-@@ -5093,7 +5095,7 @@ reinit_after_soft_reset:
- * fake ones to scoop up any residual completions.
- */
- spin_lock_irqsave(&h->lock, flags);
-- h->access.set_intr_mask(h, CCISS_INTR_OFF);
-+ h->access->set_intr_mask(h, CCISS_INTR_OFF);
- spin_unlock_irqrestore(&h->lock, flags);
- free_irq(h->intr[h->intr_mode], h);
- rc = cciss_request_irq(h, cciss_msix_discard_completions,
-@@ -5113,9 +5115,9 @@ reinit_after_soft_reset:
- dev_info(&h->pdev->dev, "Board READY.\n");
- dev_info(&h->pdev->dev,
- "Waiting for stale completions to drain.\n");
-- h->access.set_intr_mask(h, CCISS_INTR_ON);
-+ h->access->set_intr_mask(h, CCISS_INTR_ON);
- msleep(10000);
-- h->access.set_intr_mask(h, CCISS_INTR_OFF);
-+ h->access->set_intr_mask(h, CCISS_INTR_OFF);
-
- rc = controller_reset_failed(h->cfgtable);
- if (rc)
-@@ -5138,7 +5140,7 @@ reinit_after_soft_reset:
- cciss_scsi_setup(h);
-
- /* Turn the interrupts on so we can service requests */
-- h->access.set_intr_mask(h, CCISS_INTR_ON);
-+ h->access->set_intr_mask(h, CCISS_INTR_ON);
-
- /* Get the firmware version */
- inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
-@@ -5211,7 +5213,7 @@ static void cciss_shutdown(struct pci_dev *pdev)
- kfree(flush_buf);
- if (return_code != IO_OK)
- dev_warn(&h->pdev->dev, "Error flushing cache\n");
-- h->access.set_intr_mask(h, CCISS_INTR_OFF);
-+ h->access->set_intr_mask(h, CCISS_INTR_OFF);
- free_irq(h->intr[h->intr_mode], h);
- }
-
-diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
-index 7fda30e..eb5dfe0 100644
---- a/drivers/block/cciss.h
-+++ b/drivers/block/cciss.h
-@@ -101,7 +101,7 @@ struct ctlr_info
- /* information about each logical volume */
- drive_info_struct *drv[CISS_MAX_LUN];
-
-- struct access_method access;
-+ struct access_method *access;
-
- /* queue and queue Info */
- struct list_head reqQ;
-diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
-index 9125bbe..eede5c8 100644
---- a/drivers/block/cpqarray.c
-+++ b/drivers/block/cpqarray.c
-@@ -404,7 +404,7 @@ static int __devinit cpqarray_register_ctlr( int i, struct pci_dev *pdev)
- if (register_blkdev(COMPAQ_SMART2_MAJOR+i, hba[i]->devname)) {
- goto Enomem4;
- }
-- hba[i]->access.set_intr_mask(hba[i], 0);
-+ hba[i]->access->set_intr_mask(hba[i], 0);
- if (request_irq(hba[i]->intr, do_ida_intr,
- IRQF_DISABLED|IRQF_SHARED, hba[i]->devname, hba[i]))
- {
-@@ -459,7 +459,7 @@ static int __devinit cpqarray_register_ctlr( int i, struct pci_dev *pdev)
- add_timer(&hba[i]->timer);
-
- /* Enable IRQ now that spinlock and rate limit timer are set up */
-- hba[i]->access.set_intr_mask(hba[i], FIFO_NOT_EMPTY);
-+ hba[i]->access->set_intr_mask(hba[i], FIFO_NOT_EMPTY);
-
- for(j=0; j<NWD; j++) {
- struct gendisk *disk = ida_gendisk[i][j];
-@@ -694,7 +694,7 @@ DBGINFO(
- for(i=0; i<NR_PRODUCTS; i++) {
- if (board_id == products[i].board_id) {
- c->product_name = products[i].product_name;
-- c->access = *(products[i].access);
-+ c->access = products[i].access;
- break;
- }
- }
-@@ -792,7 +792,7 @@ static int __devinit cpqarray_eisa_detect(void)
- hba[ctlr]->intr = intr;
- sprintf(hba[ctlr]->devname, "ida%d", nr_ctlr);
- hba[ctlr]->product_name = products[j].product_name;
-- hba[ctlr]->access = *(products[j].access);
-+ hba[ctlr]->access = products[j].access;
- hba[ctlr]->ctlr = ctlr;
- hba[ctlr]->board_id = board_id;
- hba[ctlr]->pci_dev = NULL; /* not PCI */
-@@ -980,7 +980,7 @@ static void start_io(ctlr_info_t *h)
-
- while((c = h->reqQ) != NULL) {
- /* Can't do anything if we're busy */
-- if (h->access.fifo_full(h) == 0)
-+ if (h->access->fifo_full(h) == 0)
- return;
-
- /* Get the first entry from the request Q */
-@@ -988,7 +988,7 @@ static void start_io(ctlr_info_t *h)
- h->Qdepth--;
-
- /* Tell the controller to do our bidding */
-- h->access.submit_command(h, c);
-+ h->access->submit_command(h, c);
-
- /* Get onto the completion Q */
- addQ(&h->cmpQ, c);
-@@ -1050,7 +1050,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
- unsigned long flags;
- __u32 a,a1;
-
-- istat = h->access.intr_pending(h);
-+ istat = h->access->intr_pending(h);
- /* Is this interrupt for us? */
- if (istat == 0)
- return IRQ_NONE;
-@@ -1061,7 +1061,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
- */
- spin_lock_irqsave(IDA_LOCK(h->ctlr), flags);
- if (istat & FIFO_NOT_EMPTY) {
-- while((a = h->access.command_completed(h))) {
-+ while((a = h->access->command_completed(h))) {
- a1 = a; a &= ~3;
- if ((c = h->cmpQ) == NULL)
- {
-@@ -1449,11 +1449,11 @@ static int sendcmd(
- /*
- * Disable interrupt
- */
-- info_p->access.set_intr_mask(info_p, 0);
-+ info_p->access->set_intr_mask(info_p, 0);
- /* Make sure there is room in the command FIFO */
- /* Actually it should be completely empty at this time. */
- for (i = 200000; i > 0; i--) {
-- temp = info_p->access.fifo_full(info_p);
-+ temp = info_p->access->fifo_full(info_p);
- if (temp != 0) {
- break;
- }
-@@ -1466,7 +1466,7 @@ DBG(
- /*
- * Send the cmd
- */
-- info_p->access.submit_command(info_p, c);
-+ info_p->access->submit_command(info_p, c);
- complete = pollcomplete(ctlr);
-
- pci_unmap_single(info_p->pci_dev, (dma_addr_t) c->req.sg[0].addr,
-@@ -1549,9 +1549,9 @@ static int revalidate_allvol(ctlr_info_t *host)
- * we check the new geometry. Then turn interrupts back on when
- * we're done.
- */
-- host->access.set_intr_mask(host, 0);
-+ host->access->set_intr_mask(host, 0);
- getgeometry(ctlr);
-- host->access.set_intr_mask(host, FIFO_NOT_EMPTY);
-+ host->access->set_intr_mask(host, FIFO_NOT_EMPTY);
-
- for(i=0; i<NWD; i++) {
- struct gendisk *disk = ida_gendisk[ctlr][i];
-@@ -1591,7 +1591,7 @@ static int pollcomplete(int ctlr)
- /* Wait (up to 2 seconds) for a command to complete */
-
- for (i = 200000; i > 0; i--) {
-- done = hba[ctlr]->access.command_completed(hba[ctlr]);
-+ done = hba[ctlr]->access->command_completed(hba[ctlr]);
- if (done == 0) {
- udelay(10); /* a short fixed delay */
- } else
-diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h
-index be73e9d..7fbf140 100644
---- a/drivers/block/cpqarray.h
-+++ b/drivers/block/cpqarray.h
-@@ -99,7 +99,7 @@ struct ctlr_info {
- drv_info_t drv[NWD];
- struct proc_dir_entry *proc;
-
-- struct access_method access;
-+ struct access_method *access;
-
- cmdlist_t *reqQ;
- cmdlist_t *cmpQ;
-diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
-index 02f013a..afeba24 100644
---- a/drivers/block/drbd/drbd_int.h
-+++ b/drivers/block/drbd/drbd_int.h
-@@ -735,7 +735,7 @@ struct drbd_request;
- struct drbd_epoch {
- struct list_head list;
- unsigned int barrier_nr;
-- atomic_t epoch_size; /* increased on every request added. */
-+ atomic_unchecked_t epoch_size; /* increased on every request added. */
- atomic_t active; /* increased on every req. added, and dec on every finished. */
- unsigned long flags;
- };
-@@ -1110,7 +1110,7 @@ struct drbd_conf {
- void *int_dig_in;
- void *int_dig_vv;
- wait_queue_head_t seq_wait;
-- atomic_t packet_seq;
-+ atomic_unchecked_t packet_seq;
- unsigned int peer_seq;
- spinlock_t peer_seq_lock;
- unsigned int minor;
-@@ -1651,30 +1651,30 @@ static inline int drbd_setsockopt(struct socket *sock, int level, int optname,
-
- static inline void drbd_tcp_cork(struct socket *sock)
- {
-- int __user val = 1;
-+ int val = 1;
- (void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
-- (char __user *)&val, sizeof(val));
-+ (char __force_user *)&val, sizeof(val));
- }
-
- static inline void drbd_tcp_uncork(struct socket *sock)
- {
-- int __user val = 0;
-+ int val = 0;
- (void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
-- (char __user *)&val, sizeof(val));
-+ (char __force_user *)&val, sizeof(val));
- }
-
- static inline void drbd_tcp_nodelay(struct socket *sock)
- {
-- int __user val = 1;
-+ int val = 1;
- (void) drbd_setsockopt(sock, SOL_TCP, TCP_NODELAY,
-- (char __user *)&val, sizeof(val));
-+ (char __force_user *)&val, sizeof(val));
- }
-
- static inline void drbd_tcp_quickack(struct socket *sock)
- {
-- int __user val = 2;
-+ int val = 2;
- (void) drbd_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
-- (char __user *)&val, sizeof(val));
-+ (char __force_user *)&val, sizeof(val));
- }
-
- void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo);
-diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
-index 920ede2..cb827ba 100644
---- a/drivers/block/drbd/drbd_main.c
-+++ b/drivers/block/drbd/drbd_main.c
-@@ -2555,7 +2555,7 @@ static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packets cmd,
- p.sector = sector;
- p.block_id = block_id;
- p.blksize = blksize;
-- p.seq_num = cpu_to_be32(atomic_add_return(1, &mdev->packet_seq));
-+ p.seq_num = cpu_to_be32(atomic_add_return_unchecked(1, &mdev->packet_seq));
-
- if (!mdev->meta.socket || mdev->state.conn < C_CONNECTED)
- return false;
-@@ -2853,7 +2853,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
-
- p.sector = cpu_to_be64(req->sector);
- p.block_id = (unsigned long)req;
-- p.seq_num = cpu_to_be32(atomic_add_return(1, &mdev->packet_seq));
-+ p.seq_num = cpu_to_be32(atomic_add_return_unchecked(1, &mdev->packet_seq));
-
- dp_flags = bio_flags_to_wire(mdev, req->master_bio->bi_rw);
-
-@@ -3138,7 +3138,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
- atomic_set(&mdev->unacked_cnt, 0);
- atomic_set(&mdev->local_cnt, 0);
- atomic_set(&mdev->net_cnt, 0);
-- atomic_set(&mdev->packet_seq, 0);
-+ atomic_set_unchecked(&mdev->packet_seq, 0);
- atomic_set(&mdev->pp_in_use, 0);
- atomic_set(&mdev->pp_in_use_by_net, 0);
- atomic_set(&mdev->rs_sect_in, 0);
-@@ -3220,8 +3220,8 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev)
- mdev->receiver.t_state);
-
- /* no need to lock it, I'm the only thread alive */
-- if (atomic_read(&mdev->current_epoch->epoch_size) != 0)
-- dev_err(DEV, "epoch_size:%d\n", atomic_read(&mdev->current_epoch->epoch_size));
-+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size) != 0)
-+ dev_err(DEV, "epoch_size:%d\n", atomic_read_unchecked(&mdev->current_epoch->epoch_size));
- mdev->al_writ_cnt =
- mdev->bm_writ_cnt =
- mdev->read_cnt =
-diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
-index 6d4de6a..7b7ad4b 100644
---- a/drivers/block/drbd/drbd_nl.c
-+++ b/drivers/block/drbd/drbd_nl.c
-@@ -2387,7 +2387,7 @@ static void drbd_connector_callback(struct cn_msg *req, struct netlink_skb_parms
- module_put(THIS_MODULE);
- }
-
--static atomic_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */
-+static atomic_unchecked_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */
-
- static unsigned short *
- __tl_add_blob(unsigned short *tl, enum drbd_tags tag, const void *data,
-@@ -2458,7 +2458,7 @@ void drbd_bcast_state(struct drbd_conf *mdev, union drbd_state state)
- cn_reply->id.idx = CN_IDX_DRBD;
- cn_reply->id.val = CN_VAL_DRBD;
-
-- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
-+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
- cn_reply->ack = 0; /* not used here. */
- cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
- (int)((char *)tl - (char *)reply->tag_list);
-@@ -2490,7 +2490,7 @@ void drbd_bcast_ev_helper(struct drbd_conf *mdev, char *helper_name)
- cn_reply->id.idx = CN_IDX_DRBD;
- cn_reply->id.val = CN_VAL_DRBD;
-
-- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
-+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
- cn_reply->ack = 0; /* not used here. */
- cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
- (int)((char *)tl - (char *)reply->tag_list);
-@@ -2568,7 +2568,7 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
- cn_reply->id.idx = CN_IDX_DRBD;
- cn_reply->id.val = CN_VAL_DRBD;
-
-- cn_reply->seq = atomic_add_return(1,&drbd_nl_seq);
-+ cn_reply->seq = atomic_add_return_unchecked(1,&drbd_nl_seq);
- cn_reply->ack = 0; // not used here.
- cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
- (int)((char*)tl - (char*)reply->tag_list);
-@@ -2607,7 +2607,7 @@ void drbd_bcast_sync_progress(struct drbd_conf *mdev)
- cn_reply->id.idx = CN_IDX_DRBD;
- cn_reply->id.val = CN_VAL_DRBD;
-
-- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
-+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
- cn_reply->ack = 0; /* not used here. */
- cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
- (int)((char *)tl - (char *)reply->tag_list);
-diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
-index ea4836e..272d72a 100644
---- a/drivers/block/drbd/drbd_receiver.c
-+++ b/drivers/block/drbd/drbd_receiver.c
-@@ -893,7 +893,7 @@ retry:
- sock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10;
- sock->sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;
-
-- atomic_set(&mdev->packet_seq, 0);
-+ atomic_set_unchecked(&mdev->packet_seq, 0);
- mdev->peer_seq = 0;
-
- if (drbd_send_protocol(mdev) == -1)
-@@ -994,7 +994,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
- do {
- next_epoch = NULL;
-
-- epoch_size = atomic_read(&epoch->epoch_size);
-+ epoch_size = atomic_read_unchecked(&epoch->epoch_size);
-
- switch (ev & ~EV_CLEANUP) {
- case EV_PUT:
-@@ -1030,7 +1030,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
- rv = FE_DESTROYED;
- } else {
- epoch->flags = 0;
-- atomic_set(&epoch->epoch_size, 0);
-+ atomic_set_unchecked(&epoch->epoch_size, 0);
- /* atomic_set(&epoch->active, 0); is already zero */
- if (rv == FE_STILL_LIVE)
- rv = FE_RECYCLED;
-@@ -1205,14 +1205,14 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign
- drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
- drbd_flush(mdev);
-
-- if (atomic_read(&mdev->current_epoch->epoch_size)) {
-+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) {
- epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
- if (epoch)
- break;
- }
-
- epoch = mdev->current_epoch;
-- wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0);
-+ wait_event(mdev->ee_wait, atomic_read_unchecked(&epoch->epoch_size) == 0);
-
- D_ASSERT(atomic_read(&epoch->active) == 0);
- D_ASSERT(epoch->flags == 0);
-@@ -1224,11 +1224,11 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign
- }
-
- epoch->flags = 0;
-- atomic_set(&epoch->epoch_size, 0);
-+ atomic_set_unchecked(&epoch->epoch_size, 0);
- atomic_set(&epoch->active, 0);
-
- spin_lock(&mdev->epoch_lock);
-- if (atomic_read(&mdev->current_epoch->epoch_size)) {
-+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) {
- list_add(&epoch->list, &mdev->current_epoch->list);
- mdev->current_epoch = epoch;
- mdev->epochs++;
-@@ -1695,7 +1695,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
- spin_unlock(&mdev->peer_seq_lock);
-
- drbd_send_ack_dp(mdev, P_NEG_ACK, p, data_size);
-- atomic_inc(&mdev->current_epoch->epoch_size);
-+ atomic_inc_unchecked(&mdev->current_epoch->epoch_size);
- return drbd_drain_block(mdev, data_size);
- }
-
-@@ -1721,7 +1721,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
-
- spin_lock(&mdev->epoch_lock);
- e->epoch = mdev->current_epoch;
-- atomic_inc(&e->epoch->epoch_size);
-+ atomic_inc_unchecked(&e->epoch->epoch_size);
- atomic_inc(&e->epoch->active);
- spin_unlock(&mdev->epoch_lock);
-
-@@ -3936,7 +3936,7 @@ static void drbd_disconnect(struct drbd_conf *mdev)
- D_ASSERT(list_empty(&mdev->done_ee));
-
- /* ok, no more ee's on the fly, it is safe to reset the epoch_size */
-- atomic_set(&mdev->current_epoch->epoch_size, 0);
-+ atomic_set_unchecked(&mdev->current_epoch->epoch_size, 0);
- D_ASSERT(list_empty(&mdev->current_epoch->list));
- }
-
-diff --git a/drivers/block/loop.c b/drivers/block/loop.c
-index 3bba655..6151b66 100644
---- a/drivers/block/loop.c
-+++ b/drivers/block/loop.c
-@@ -226,7 +226,7 @@ static int __do_lo_send_write(struct file *file,
- mm_segment_t old_fs = get_fs();
-
- set_fs(get_ds());
-- bw = file->f_op->write(file, buf, len, &pos);
-+ bw = file->f_op->write(file, (const char __force_user *)buf, len, &pos);
- set_fs(old_fs);
- if (likely(bw == len))
- return 0;
-diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
-index ea6f632..eafb192 100644
---- a/drivers/char/Kconfig
-+++ b/drivers/char/Kconfig
-@@ -8,7 +8,8 @@ source "drivers/tty/Kconfig"
-
- config DEVKMEM
- bool "/dev/kmem virtual device support"
-- default y
-+ default n
-+ depends on !GRKERNSEC_KMEM
- help
- Say Y here if you want to support the /dev/kmem device. The
- /dev/kmem device is rarely used, but can be used for certain
-@@ -581,6 +582,7 @@ config DEVPORT
- bool
- depends on !M68K
- depends on ISA || PCI
-+ depends on !GRKERNSEC_KMEM
- default y
-
- source "drivers/s390/char/Kconfig"
-diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
-index 2e04433..22afc64 100644
---- a/drivers/char/agp/frontend.c
-+++ b/drivers/char/agp/frontend.c
-@@ -817,7 +817,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
- if (copy_from_user(&reserve, arg, sizeof(struct agp_region)))
- return -EFAULT;
-
-- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment))
-+ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv))
- return -EFAULT;
-
- client = agp_find_client_by_pid(reserve.pid);
-diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
-index 21cb980..f15107c 100644
---- a/drivers/char/genrtc.c
-+++ b/drivers/char/genrtc.c
-@@ -272,6 +272,7 @@ static int gen_rtc_ioctl(struct file *file,
- switch (cmd) {
-
- case RTC_PLL_GET:
-+ memset(&pll, 0, sizeof(pll));
- if (get_rtc_pll(&pll))
- return -EINVAL;
- else
-diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
-index dfd7876..c0b0885 100644
---- a/drivers/char/hpet.c
-+++ b/drivers/char/hpet.c
-@@ -571,7 +571,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets,
- }
-
- static int
--hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg,
-+hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg,
- struct hpet_info *info)
- {
- struct hpet_timer __iomem *timer;
-diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
-index 2c29942..604c5ba 100644
---- a/drivers/char/ipmi/ipmi_msghandler.c
-+++ b/drivers/char/ipmi/ipmi_msghandler.c
-@@ -420,7 +420,7 @@ struct ipmi_smi {
- struct proc_dir_entry *proc_dir;
- char proc_dir_name[10];
-
-- atomic_t stats[IPMI_NUM_STATS];
-+ atomic_unchecked_t stats[IPMI_NUM_STATS];
-
- /*
- * run_to_completion duplicate of smb_info, smi_info
-@@ -453,9 +453,9 @@ static DEFINE_MUTEX(smi_watchers_mutex);
-
-
- #define ipmi_inc_stat(intf, stat) \
-- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat])
-+ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])
- #define ipmi_get_stat(intf, stat) \
-- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat]))
-+ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]))
-
- static int is_lan_addr(struct ipmi_addr *addr)
- {
-@@ -2884,7 +2884,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
- INIT_LIST_HEAD(&intf->cmd_rcvrs);
- init_waitqueue_head(&intf->waitq);
- for (i = 0; i < IPMI_NUM_STATS; i++)
-- atomic_set(&intf->stats[i], 0);
-+ atomic_set_unchecked(&intf->stats[i], 0);
-
- intf->proc_dir = NULL;
-
-diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
-index 1e638ff..a869ef5 100644
---- a/drivers/char/ipmi/ipmi_si_intf.c
-+++ b/drivers/char/ipmi/ipmi_si_intf.c
-@@ -275,7 +275,7 @@ struct smi_info {
- unsigned char slave_addr;
-
- /* Counters and things for the proc filesystem. */
-- atomic_t stats[SI_NUM_STATS];
-+ atomic_unchecked_t stats[SI_NUM_STATS];
-
- struct task_struct *thread;
-
-@@ -284,9 +284,9 @@ struct smi_info {
- };
-
- #define smi_inc_stat(smi, stat) \
-- atomic_inc(&(smi)->stats[SI_STAT_ ## stat])
-+ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat])
- #define smi_get_stat(smi, stat) \
-- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat]))
-+ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat]))
-
- #define SI_MAX_PARMS 4
-
-@@ -3209,7 +3209,7 @@ static int try_smi_init(struct smi_info *new_smi)
- atomic_set(&new_smi->req_events, 0);
- new_smi->run_to_completion = 0;
- for (i = 0; i < SI_NUM_STATS; i++)
-- atomic_set(&new_smi->stats[i], 0);
-+ atomic_set_unchecked(&new_smi->stats[i], 0);
-
- new_smi->interrupt_disabled = 1;
- atomic_set(&new_smi->stop_operation, 0);
-diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
-index 47ff7e4..0c7d340 100644
---- a/drivers/char/mbcs.c
-+++ b/drivers/char/mbcs.c
-@@ -799,7 +799,7 @@ static int mbcs_remove(struct cx_dev *dev)
- return 0;
- }
-
--static const struct cx_device_id __devinitdata mbcs_id_table[] = {
-+static const struct cx_device_id __devinitconst mbcs_id_table[] = {
- {
- .part_num = MBCS_PART_NUM,
- .mfg_num = MBCS_MFG_NUM,
-diff --git a/drivers/char/mem.c b/drivers/char/mem.c
-index 67c3371..ba8429d 100644
---- a/drivers/char/mem.c
-+++ b/drivers/char/mem.c
-@@ -18,6 +18,7 @@
- #include <linux/raw.h>
- #include <linux/tty.h>
- #include <linux/capability.h>
-+#include <linux/security.h>
- #include <linux/ptrace.h>
- #include <linux/device.h>
- #include <linux/highmem.h>
-@@ -35,6 +36,10 @@
- # include <linux/efi.h>
- #endif
-
-+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
-+extern const struct file_operations grsec_fops;
-+#endif
-+
- static inline unsigned long size_inside_page(unsigned long start,
- unsigned long size)
- {
-@@ -66,9 +71,13 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
-
- while (cursor < to) {
- if (!devmem_is_allowed(pfn)) {
-+#ifdef CONFIG_GRKERNSEC_KMEM
-+ gr_handle_mem_readwrite(from, to);
-+#else
- printk(KERN_INFO
- "Program %s tried to access /dev/mem between %Lx->%Lx.\n",
- current->comm, from, to);
-+#endif
- return 0;
- }
- cursor += PAGE_SIZE;
-@@ -76,6 +85,11 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
- }
- return 1;
- }
-+#elif defined(CONFIG_GRKERNSEC_KMEM)
-+static inline int range_is_allowed(unsigned long pfn, unsigned long size)
-+{
-+ return 0;
-+}
- #else
- static inline int range_is_allowed(unsigned long pfn, unsigned long size)
- {
-@@ -118,6 +132,7 @@ static ssize_t read_mem(struct file *file, char __user *buf,
-
- while (count > 0) {
- unsigned long remaining;
-+ char *temp;
-
- sz = size_inside_page(p, count);
-
-@@ -133,7 +148,23 @@ static ssize_t read_mem(struct file *file, char __user *buf,
- if (!ptr)
- return -EFAULT;
-
-- remaining = copy_to_user(buf, ptr, sz);
-+#ifdef CONFIG_PAX_USERCOPY
-+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
-+ if (!temp) {
-+ unxlate_dev_mem_ptr(p, ptr);
-+ return -ENOMEM;
-+ }
-+ memcpy(temp, ptr, sz);
-+#else
-+ temp = ptr;
-+#endif
-+
-+ remaining = copy_to_user(buf, temp, sz);
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+ kfree(temp);
-+#endif
-+
- unxlate_dev_mem_ptr(p, ptr);
- if (remaining)
- return -EFAULT;
-@@ -396,9 +427,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
- {
- unsigned long p = *ppos;
-- ssize_t low_count, read, sz;
-+ ssize_t low_count, read, sz, err = 0;
- char * kbuf; /* k-addr because vread() takes vmlist_lock rwlock */
-- int err = 0;
-
- read = 0;
- if (p < (unsigned long) high_memory) {
-@@ -420,6 +450,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
- }
- #endif
- while (low_count > 0) {
-+ char *temp;
-+
- sz = size_inside_page(p, low_count);
-
- /*
-@@ -429,7 +461,22 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
- */
- kbuf = xlate_dev_kmem_ptr((char *)p);
-
-- if (copy_to_user(buf, kbuf, sz))
-+#ifdef CONFIG_PAX_USERCOPY
-+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
-+ if (!temp)
-+ return -ENOMEM;
-+ memcpy(temp, kbuf, sz);
-+#else
-+ temp = kbuf;
-+#endif
-+
-+ err = copy_to_user(buf, temp, sz);
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+ kfree(temp);
-+#endif
-+
-+ if (err)
- return -EFAULT;
- buf += sz;
- p += sz;
-@@ -831,6 +878,9 @@ static const struct memdev {
- #ifdef CONFIG_CRASH_DUMP
- [12] = { "oldmem", 0, &oldmem_fops, NULL },
- #endif
-+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
-+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, NULL },
-+#endif
- };
-
- static int memory_open(struct inode *inode, struct file *filp)
-diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
-index 9df78e2..01ba9ae 100644
---- a/drivers/char/nvram.c
-+++ b/drivers/char/nvram.c
-@@ -247,7 +247,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf,
-
- spin_unlock_irq(&rtc_lock);
-
-- if (copy_to_user(buf, contents, tmp - contents))
-+ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents))
- return -EFAULT;
-
- *ppos = i;
-diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
-index 0a484b4..f48ccd1 100644
---- a/drivers/char/pcmcia/synclink_cs.c
-+++ b/drivers/char/pcmcia/synclink_cs.c
-@@ -2340,9 +2340,9 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_close(%s) entry, count=%d\n",
-- __FILE__,__LINE__, info->device_name, port->count);
-+ __FILE__,__LINE__, info->device_name, atomic_read(&port->count));
-
-- WARN_ON(!port->count);
-+ WARN_ON(!atomic_read(&port->count));
-
- if (tty_port_close_start(port, tty, filp) == 0)
- goto cleanup;
-@@ -2360,7 +2360,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
- cleanup:
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__,__LINE__,
-- tty->driver->name, port->count);
-+ tty->driver->name, atomic_read(&port->count));
- }
-
- /* Wait until the transmitter is empty.
-@@ -2502,7 +2502,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
-- __FILE__,__LINE__,tty->driver->name, port->count);
-+ __FILE__,__LINE__,tty->driver->name, atomic_read(&port->count));
-
- /* If port is closing, signal caller to try again */
- if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING){
-@@ -2522,11 +2522,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
- goto cleanup;
- }
- spin_lock(&port->lock);
-- port->count++;
-+ atomic_inc(&port->count);
- spin_unlock(&port->lock);
- spin_unlock_irqrestore(&info->netlock, flags);
-
-- if (port->count == 1) {
-+ if (atomic_read(&port->count) == 1) {
- /* 1st open on this device, init hardware */
- retval = startup(info, tty);
- if (retval < 0)
-@@ -3891,7 +3891,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
- unsigned short new_crctype;
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- switch (encoding)
-@@ -3994,7 +3994,7 @@ static int hdlcdev_open(struct net_device *dev)
-
- /* arbitrate between network and tty opens */
- spin_lock_irqsave(&info->netlock, flags);
-- if (info->port.count != 0 || info->netcount != 0) {
-+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
- printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
- spin_unlock_irqrestore(&info->netlock, flags);
- return -EBUSY;
-@@ -4083,7 +4083,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- if (cmd != SIOCWANDEV)
-diff --git a/drivers/char/random.c b/drivers/char/random.c
-index d98b2a6..f0ceb97 100644
---- a/drivers/char/random.c
-+++ b/drivers/char/random.c
-@@ -272,8 +272,13 @@
- /*
- * Configuration information
- */
-+#ifdef CONFIG_GRKERNSEC_RANDNET
-+#define INPUT_POOL_WORDS 512
-+#define OUTPUT_POOL_WORDS 128
-+#else
- #define INPUT_POOL_WORDS 128
- #define OUTPUT_POOL_WORDS 32
-+#endif
- #define SEC_XFER_SIZE 512
- #define EXTRACT_SIZE 10
-
-@@ -313,10 +318,17 @@ static struct poolinfo {
- int poolwords;
- int tap1, tap2, tap3, tap4, tap5;
- } poolinfo_table[] = {
-+#ifdef CONFIG_GRKERNSEC_RANDNET
-+ /* x^512 + x^411 + x^308 + x^208 +x^104 + x + 1 -- 225 */
-+ { 512, 411, 308, 208, 104, 1 },
-+ /* x^128 + x^103 + x^76 + x^51 + x^25 + x + 1 -- 105 */
-+ { 128, 103, 76, 51, 25, 1 },
-+#else
- /* x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 -- 105 */
- { 128, 103, 76, 51, 25, 1 },
- /* x^32 + x^26 + x^20 + x^14 + x^7 + x + 1 -- 15 */
- { 32, 26, 20, 14, 7, 1 },
-+#endif
- #if 0
- /* x^2048 + x^1638 + x^1231 + x^819 + x^411 + x + 1 -- 115 */
- { 2048, 1638, 1231, 819, 411, 1 },
-@@ -527,8 +539,8 @@ static void _mix_pool_bytes(struct entropy_store *r, const void *in,
- input_rotate += i ? 7 : 14;
- }
-
-- ACCESS_ONCE(r->input_rotate) = input_rotate;
-- ACCESS_ONCE(r->add_ptr) = i;
-+ ACCESS_ONCE_RW(r->input_rotate) = input_rotate;
-+ ACCESS_ONCE_RW(r->add_ptr) = i;
- smp_wmb();
-
- if (out)
-@@ -799,6 +811,17 @@ void add_disk_randomness(struct gendisk *disk)
- }
- #endif
-
-+#ifdef CONFIG_PAX_LATENT_ENTROPY
-+u64 latent_entropy;
-+
-+__init void transfer_latent_entropy(void)
-+{
-+ mix_pool_bytes(&input_pool, &latent_entropy, sizeof(latent_entropy), NULL);
-+ mix_pool_bytes(&nonblocking_pool, &latent_entropy, sizeof(latent_entropy), NULL);
-+// printk(KERN_INFO "PAX: transferring latent entropy: %16llx\n", latent_entropy);
-+}
-+#endif
-+
- /*********************************************************************
- *
- * Entropy extraction routines
-@@ -1008,7 +1031,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
-
- extract_buf(r, tmp);
- i = min_t(int, nbytes, EXTRACT_SIZE);
-- if (copy_to_user(buf, tmp, i)) {
-+ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) {
- ret = -EFAULT;
- break;
- }
-@@ -1342,7 +1365,7 @@ EXPORT_SYMBOL(generate_random_uuid);
- #include <linux/sysctl.h>
-
- static int min_read_thresh = 8, min_write_thresh;
--static int max_read_thresh = INPUT_POOL_WORDS * 32;
-+static int max_read_thresh = OUTPUT_POOL_WORDS * 32;
- static int max_write_thresh = INPUT_POOL_WORDS * 32;
- static char sysctl_bootid[16];
-
-diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
-index 45713f0..8286d21 100644
---- a/drivers/char/sonypi.c
-+++ b/drivers/char/sonypi.c
-@@ -54,6 +54,7 @@
-
- #include <asm/uaccess.h>
- #include <asm/io.h>
-+#include <asm/local.h>
-
- #include <linux/sonypi.h>
-
-@@ -490,7 +491,7 @@ static struct sonypi_device {
- spinlock_t fifo_lock;
- wait_queue_head_t fifo_proc_list;
- struct fasync_struct *fifo_async;
-- int open_count;
-+ local_t open_count;
- int model;
- struct input_dev *input_jog_dev;
- struct input_dev *input_key_dev;
-@@ -897,7 +898,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on)
- static int sonypi_misc_release(struct inode *inode, struct file *file)
- {
- mutex_lock(&sonypi_device.lock);
-- sonypi_device.open_count--;
-+ local_dec(&sonypi_device.open_count);
- mutex_unlock(&sonypi_device.lock);
- return 0;
- }
-@@ -906,9 +907,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file)
- {
- mutex_lock(&sonypi_device.lock);
- /* Flush input queue on first open */
-- if (!sonypi_device.open_count)
-+ if (!local_read(&sonypi_device.open_count))
- kfifo_reset(&sonypi_device.fifo);
-- sonypi_device.open_count++;
-+ local_inc(&sonypi_device.open_count);
- mutex_unlock(&sonypi_device.lock);
-
- return 0;
-diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
-index 08427ab..1ab10b7 100644
---- a/drivers/char/tpm/tpm.c
-+++ b/drivers/char/tpm/tpm.c
-@@ -415,7 +415,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
- chip->vendor.req_complete_val)
- goto out_recv;
-
-- if ((status == chip->vendor.req_canceled)) {
-+ if (status == chip->vendor.req_canceled) {
- dev_err(chip->dev, "Operation Canceled\n");
- rc = -ECANCELED;
- goto out;
-diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
-index 0636520..169c1d0 100644
---- a/drivers/char/tpm/tpm_bios.c
-+++ b/drivers/char/tpm/tpm_bios.c
-@@ -173,7 +173,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos)
- event = addr;
-
- if ((event->event_type == 0 && event->event_size == 0) ||
-- ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit))
-+ (event->event_size >= limit - addr - sizeof(struct tcpa_event)))
- return NULL;
-
- return addr;
-@@ -198,7 +198,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v,
- return NULL;
-
- if ((event->event_type == 0 && event->event_size == 0) ||
-- ((v + sizeof(struct tcpa_event) + event->event_size) >= limit))
-+ (event->event_size >= limit - v - sizeof(struct tcpa_event)))
- return NULL;
-
- (*pos)++;
-@@ -291,7 +291,8 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
- int i;
-
- for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++)
-- seq_putc(m, data[i]);
-+ if (!seq_putc(m, data[i]))
-+ return -EFAULT;
-
- return 0;
- }
-@@ -410,8 +411,13 @@ static int read_log(struct tpm_bios_log *log)
- log->bios_event_log_end = log->bios_event_log + len;
-
- virt = acpi_os_map_memory(start, len);
-+ if (!virt) {
-+ kfree(log->bios_event_log);
-+ log->bios_event_log = NULL;
-+ return -EFAULT;
-+ }
-
-- memcpy(log->bios_event_log, virt, len);
-+ memcpy(log->bios_event_log, (const char __force_kernel *)virt, len);
-
- acpi_os_unmap_memory(virt, len);
- return 0;
-diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
-index cdf2f54..e55c197 100644
---- a/drivers/char/virtio_console.c
-+++ b/drivers/char/virtio_console.c
-@@ -563,7 +563,7 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count,
- if (to_user) {
- ssize_t ret;
-
-- ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count);
-+ ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count);
- if (ret)
- return -EFAULT;
- } else {
-@@ -662,7 +662,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
- if (!port_has_data(port) && !port->host_connected)
- return 0;
-
-- return fill_readbuf(port, ubuf, count, true);
-+ return fill_readbuf(port, (char __force_kernel *)ubuf, count, true);
- }
-
- static ssize_t port_fops_write(struct file *filp, const char __user *ubuf,
-diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
-index 97f5064..202b6e6 100644
---- a/drivers/edac/edac_pci_sysfs.c
-+++ b/drivers/edac/edac_pci_sysfs.c
-@@ -26,8 +26,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */
- static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */
- static int edac_pci_poll_msec = 1000; /* one second workq period */
-
--static atomic_t pci_parity_count = ATOMIC_INIT(0);
--static atomic_t pci_nonparity_count = ATOMIC_INIT(0);
-+static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0);
-+static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0);
-
- static struct kobject *edac_pci_top_main_kobj;
- static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0);
-@@ -582,7 +582,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Signaled System Error on %s\n",
- pci_name(dev));
-- atomic_inc(&pci_nonparity_count);
-+ atomic_inc_unchecked(&pci_nonparity_count);
- }
-
- if (status & (PCI_STATUS_PARITY)) {
-@@ -590,7 +590,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- "Master Data Parity Error on %s\n",
- pci_name(dev));
-
-- atomic_inc(&pci_parity_count);
-+ atomic_inc_unchecked(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
-@@ -598,7 +598,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
-- atomic_inc(&pci_parity_count);
-+ atomic_inc_unchecked(&pci_parity_count);
- }
- }
-
-@@ -619,7 +619,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Signaled System Error on %s\n",
- pci_name(dev));
-- atomic_inc(&pci_nonparity_count);
-+ atomic_inc_unchecked(&pci_nonparity_count);
- }
-
- if (status & (PCI_STATUS_PARITY)) {
-@@ -627,7 +627,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- "Master Data Parity Error on "
- "%s\n", pci_name(dev));
-
-- atomic_inc(&pci_parity_count);
-+ atomic_inc_unchecked(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
-@@ -635,7 +635,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
-- atomic_inc(&pci_parity_count);
-+ atomic_inc_unchecked(&pci_parity_count);
- }
- }
- }
-@@ -677,7 +677,7 @@ void edac_pci_do_parity_check(void)
- if (!check_pci_errors)
- return;
-
-- before_count = atomic_read(&pci_parity_count);
-+ before_count = atomic_read_unchecked(&pci_parity_count);
-
- /* scan all PCI devices looking for a Parity Error on devices and
- * bridges.
-@@ -689,7 +689,7 @@ void edac_pci_do_parity_check(void)
- /* Only if operator has selected panic on PCI Error */
- if (edac_pci_get_panic_on_pe()) {
- /* If the count is different 'after' from 'before' */
-- if (before_count != atomic_read(&pci_parity_count))
-+ if (before_count != atomic_read_unchecked(&pci_parity_count))
- panic("EDAC: PCI Parity Error");
- }
- }
-diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
-index 8c87a5e..a19cbd7 100644
---- a/drivers/edac/mce_amd.h
-+++ b/drivers/edac/mce_amd.h
-@@ -80,7 +80,7 @@ extern const char * const ii_msgs[];
- struct amd_decoder_ops {
- bool (*dc_mce)(u16, u8);
- bool (*ic_mce)(u16, u8);
--};
-+} __no_const;
-
- void amd_report_gart_errors(bool);
- void amd_register_ecc_decoder(void (*f)(int, struct mce *));
-diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
-index 57ea7f4..789e3c3 100644
---- a/drivers/firewire/core-card.c
-+++ b/drivers/firewire/core-card.c
-@@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
-
- void fw_core_remove_card(struct fw_card *card)
- {
-- struct fw_card_driver dummy_driver = dummy_driver_template;
-+ fw_card_driver_no_const dummy_driver = dummy_driver_template;
-
- card->driver->update_phy_reg(card, 4,
- PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
-diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
-index 2783f69..9f4b0cc 100644
---- a/drivers/firewire/core-cdev.c
-+++ b/drivers/firewire/core-cdev.c
-@@ -1365,8 +1365,7 @@ static int init_iso_resource(struct client *client,
- int ret;
-
- if ((request->channels == 0 && request->bandwidth == 0) ||
-- request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL ||
-- request->bandwidth < 0)
-+ request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL)
- return -EINVAL;
-
- r = kmalloc(sizeof(*r), GFP_KERNEL);
-diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
-index 780708d..ad60a66 100644
---- a/drivers/firewire/core-transaction.c
-+++ b/drivers/firewire/core-transaction.c
-@@ -37,6 +37,7 @@
- #include <linux/timer.h>
- #include <linux/types.h>
- #include <linux/workqueue.h>
-+#include <linux/sched.h>
-
- #include <asm/byteorder.h>
-
-diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
-index 515a42c..5ecf3ba 100644
---- a/drivers/firewire/core.h
-+++ b/drivers/firewire/core.h
-@@ -111,6 +111,7 @@ struct fw_card_driver {
-
- int (*stop_iso)(struct fw_iso_context *ctx);
- };
-+typedef struct fw_card_driver __no_const fw_card_driver_no_const;
-
- void fw_card_initialize(struct fw_card *card,
- const struct fw_card_driver *driver, struct device *device);
-diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
-index b298158..7ed8432 100644
---- a/drivers/firmware/dmi_scan.c
-+++ b/drivers/firmware/dmi_scan.c
-@@ -452,11 +452,6 @@ void __init dmi_scan_machine(void)
- }
- }
- else {
-- /*
-- * no iounmap() for that ioremap(); it would be a no-op, but
-- * it's so early in setup that sucker gets confused into doing
-- * what it shouldn't if we actually call it.
-- */
- p = dmi_ioremap(0xF0000, 0x10000);
- if (p == NULL)
- goto error;
-@@ -726,7 +721,7 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *),
- if (buf == NULL)
- return -1;
-
-- dmi_table(buf, dmi_len, dmi_num, decode, private_data);
-+ dmi_table((char __force_kernel *)buf, dmi_len, dmi_num, decode, private_data);
-
- iounmap(buf);
- return 0;
-diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c
-index 82d5c20..44a7177 100644
---- a/drivers/gpio/gpio-vr41xx.c
-+++ b/drivers/gpio/gpio-vr41xx.c
-@@ -204,7 +204,7 @@ static int giu_get_irq(unsigned int irq)
- printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n",
- maskl, pendl, maskh, pendh);
-
-- atomic_inc(&irq_err_count);
-+ atomic_inc_unchecked(&irq_err_count);
-
- return -EINVAL;
- }
-diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
-index 3252e70..b5314ace 100644
---- a/drivers/gpu/drm/drm_crtc_helper.c
-+++ b/drivers/gpu/drm/drm_crtc_helper.c
-@@ -286,7 +286,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
- struct drm_crtc *tmp;
- int crtc_mask = 1;
-
-- WARN(!crtc, "checking null crtc?\n");
-+ BUG_ON(!crtc);
-
- dev = crtc->dev;
-
-diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
-index 8a9d079..606cdd5 100644
---- a/drivers/gpu/drm/drm_drv.c
-+++ b/drivers/gpu/drm/drm_drv.c
-@@ -318,7 +318,7 @@ module_exit(drm_core_exit);
- /**
- * Copy and IOCTL return string to user space
- */
--static int drm_copy_field(char *buf, size_t *buf_len, const char *value)
-+static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value)
- {
- int len;
-
-@@ -401,7 +401,7 @@ long drm_ioctl(struct file *filp,
- return -ENODEV;
-
- atomic_inc(&dev->ioctl_count);
-- atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_IOCTLS]);
- ++file_priv->ioctl_count;
-
- DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
-diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
-index 123de28..43a0897 100644
---- a/drivers/gpu/drm/drm_fops.c
-+++ b/drivers/gpu/drm/drm_fops.c
-@@ -71,7 +71,7 @@ static int drm_setup(struct drm_device * dev)
- }
-
- for (i = 0; i < ARRAY_SIZE(dev->counts); i++)
-- atomic_set(&dev->counts[i], 0);
-+ atomic_set_unchecked(&dev->counts[i], 0);
-
- dev->sigdata.lock = NULL;
-
-@@ -138,8 +138,8 @@ int drm_open(struct inode *inode, struct file *filp)
-
- retcode = drm_open_helper(inode, filp, dev);
- if (!retcode) {
-- atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
-- if (!dev->open_count++)
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_OPENS]);
-+ if (local_inc_return(&dev->open_count) == 1)
- retcode = drm_setup(dev);
- }
- if (!retcode) {
-@@ -482,7 +482,7 @@ int drm_release(struct inode *inode, struct file *filp)
-
- mutex_lock(&drm_global_mutex);
-
-- DRM_DEBUG("open_count = %d\n", dev->open_count);
-+ DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count));
-
- if (dev->driver->preclose)
- dev->driver->preclose(dev, file_priv);
-@@ -491,10 +491,10 @@ int drm_release(struct inode *inode, struct file *filp)
- * Begin inline drm_release
- */
-
-- DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
-+ DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n",
- task_pid_nr(current),
- (long)old_encode_dev(file_priv->minor->device),
-- dev->open_count);
-+ local_read(&dev->open_count));
-
- /* Release any auth tokens that might point to this file_priv,
- (do that under the drm_global_mutex) */
-@@ -584,8 +584,8 @@ int drm_release(struct inode *inode, struct file *filp)
- * End inline drm_release
- */
-
-- atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
-- if (!--dev->open_count) {
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_CLOSES]);
-+ if (local_dec_and_test(&dev->open_count)) {
- if (atomic_read(&dev->ioctl_count)) {
- DRM_ERROR("Device busy: %d\n",
- atomic_read(&dev->ioctl_count));
-diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
-index c87dc96..326055d 100644
---- a/drivers/gpu/drm/drm_global.c
-+++ b/drivers/gpu/drm/drm_global.c
-@@ -36,7 +36,7 @@
- struct drm_global_item {
- struct mutex mutex;
- void *object;
-- int refcount;
-+ atomic_t refcount;
- };
-
- static struct drm_global_item glob[DRM_GLOBAL_NUM];
-@@ -49,7 +49,7 @@ void drm_global_init(void)
- struct drm_global_item *item = &glob[i];
- mutex_init(&item->mutex);
- item->object = NULL;
-- item->refcount = 0;
-+ atomic_set(&item->refcount, 0);
- }
- }
-
-@@ -59,7 +59,7 @@ void drm_global_release(void)
- for (i = 0; i < DRM_GLOBAL_NUM; ++i) {
- struct drm_global_item *item = &glob[i];
- BUG_ON(item->object != NULL);
-- BUG_ON(item->refcount != 0);
-+ BUG_ON(atomic_read(&item->refcount) != 0);
- }
- }
-
-@@ -70,7 +70,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
- void *object;
-
- mutex_lock(&item->mutex);
-- if (item->refcount == 0) {
-+ if (atomic_read(&item->refcount) == 0) {
- item->object = kzalloc(ref->size, GFP_KERNEL);
- if (unlikely(item->object == NULL)) {
- ret = -ENOMEM;
-@@ -83,7 +83,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
- goto out_err;
-
- }
-- ++item->refcount;
-+ atomic_inc(&item->refcount);
- ref->object = item->object;
- object = item->object;
- mutex_unlock(&item->mutex);
-@@ -100,9 +100,9 @@ void drm_global_item_unref(struct drm_global_reference *ref)
- struct drm_global_item *item = &glob[ref->global_type];
-
- mutex_lock(&item->mutex);
-- BUG_ON(item->refcount == 0);
-+ BUG_ON(atomic_read(&item->refcount) == 0);
- BUG_ON(ref->object != item->object);
-- if (--item->refcount == 0) {
-+ if (atomic_dec_and_test(&item->refcount)) {
- ref->release(ref);
- item->object = NULL;
- }
-diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
-index ab1162d..42587b2 100644
---- a/drivers/gpu/drm/drm_info.c
-+++ b/drivers/gpu/drm/drm_info.c
-@@ -75,10 +75,14 @@ int drm_vm_info(struct seq_file *m, void *data)
- struct drm_local_map *map;
- struct drm_map_list *r_list;
-
-- /* Hardcoded from _DRM_FRAME_BUFFER,
-- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
-- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
-- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
-+ static const char * const types[] = {
-+ [_DRM_FRAME_BUFFER] = "FB",
-+ [_DRM_REGISTERS] = "REG",
-+ [_DRM_SHM] = "SHM",
-+ [_DRM_AGP] = "AGP",
-+ [_DRM_SCATTER_GATHER] = "SG",
-+ [_DRM_CONSISTENT] = "PCI",
-+ [_DRM_GEM] = "GEM" };
- const char *type;
- int i;
-
-@@ -89,7 +93,7 @@ int drm_vm_info(struct seq_file *m, void *data)
- map = r_list->map;
- if (!map)
- continue;
-- if (map->type < 0 || map->type > 5)
-+ if (map->type >= ARRAY_SIZE(types))
- type = "??";
- else
- type = types[map->type];
-@@ -290,7 +294,11 @@ int drm_vma_info(struct seq_file *m, void *data)
- vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ 0);
-+#else
- vma->vm_pgoff);
-+#endif
-
- #if defined(__i386__)
- pgprot = pgprot_val(vma->vm_page_prot);
-diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
-index 637fcc3..e890b33 100644
---- a/drivers/gpu/drm/drm_ioc32.c
-+++ b/drivers/gpu/drm/drm_ioc32.c
-@@ -457,7 +457,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd,
- request = compat_alloc_user_space(nbytes);
- if (!access_ok(VERIFY_WRITE, request, nbytes))
- return -EFAULT;
-- list = (struct drm_buf_desc *) (request + 1);
-+ list = (struct drm_buf_desc __user *) (request + 1);
-
- if (__put_user(count, &request->count)
- || __put_user(list, &request->list))
-@@ -518,7 +518,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
- request = compat_alloc_user_space(nbytes);
- if (!access_ok(VERIFY_WRITE, request, nbytes))
- return -EFAULT;
-- list = (struct drm_buf_pub *) (request + 1);
-+ list = (struct drm_buf_pub __user *) (request + 1);
-
- if (__put_user(count, &request->count)
- || __put_user(list, &request->list))
-diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
-index 64a62c6..ceab35e 100644
---- a/drivers/gpu/drm/drm_ioctl.c
-+++ b/drivers/gpu/drm/drm_ioctl.c
-@@ -252,7 +252,7 @@ int drm_getstats(struct drm_device *dev, void *data,
- stats->data[i].value =
- (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0);
- else
-- stats->data[i].value = atomic_read(&dev->counts[i]);
-+ stats->data[i].value = atomic_read_unchecked(&dev->counts[i]);
- stats->data[i].type = dev->types[i];
- }
-
-diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
-index 5211520..c744d85 100644
---- a/drivers/gpu/drm/drm_lock.c
-+++ b/drivers/gpu/drm/drm_lock.c
-@@ -90,7 +90,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
- if (drm_lock_take(&master->lock, lock->context)) {
- master->lock.file_priv = file_priv;
- master->lock.lock_time = jiffies;
-- atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_LOCKS]);
- break; /* Got lock */
- }
-
-@@ -161,7 +161,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
- return -EINVAL;
- }
-
-- atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_UNLOCKS]);
-
- if (drm_lock_free(&master->lock, lock->context)) {
- /* FIXME: Should really bail out here. */
-diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
-index 21bcd4a..8e074e0 100644
---- a/drivers/gpu/drm/drm_stub.c
-+++ b/drivers/gpu/drm/drm_stub.c
-@@ -511,7 +511,7 @@ void drm_unplug_dev(struct drm_device *dev)
-
- drm_device_set_unplugged(dev);
-
-- if (dev->open_count == 0) {
-+ if (local_read(&dev->open_count) == 0) {
- drm_put_dev(dev);
- }
- mutex_unlock(&drm_global_mutex);
-diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
-index fa94391..ed26ec8 100644
---- a/drivers/gpu/drm/i810/i810_dma.c
-+++ b/drivers/gpu/drm/i810/i810_dma.c
-@@ -943,8 +943,8 @@ static int i810_dma_vertex(struct drm_device *dev, void *data,
- dma->buflist[vertex->idx],
- vertex->discard, vertex->used);
-
-- atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
-- atomic_inc(&dev->counts[_DRM_STAT_DMA]);
-+ atomic_add_unchecked(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]);
- sarea_priv->last_enqueue = dev_priv->counter - 1;
- sarea_priv->last_dispatch = (int)hw_status[5];
-
-@@ -1104,8 +1104,8 @@ static int i810_dma_mc(struct drm_device *dev, void *data,
- i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used,
- mc->last_render);
-
-- atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
-- atomic_inc(&dev->counts[_DRM_STAT_DMA]);
-+ atomic_add_unchecked(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
-+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]);
- sarea_priv->last_enqueue = dev_priv->counter - 1;
- sarea_priv->last_dispatch = (int)hw_status[5];
-
-diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h
-index c9339f4..f5e1b9d 100644
---- a/drivers/gpu/drm/i810/i810_drv.h
-+++ b/drivers/gpu/drm/i810/i810_drv.h
-@@ -108,8 +108,8 @@ typedef struct drm_i810_private {
- int page_flipping;
-
- wait_queue_head_t irq_queue;
-- atomic_t irq_received;
-- atomic_t irq_emitted;
-+ atomic_unchecked_t irq_received;
-+ atomic_unchecked_t irq_emitted;
-
- int front_offset;
- } drm_i810_private_t;
-diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
-index 5363e9c..59360d1 100644
---- a/drivers/gpu/drm/i915/i915_debugfs.c
-+++ b/drivers/gpu/drm/i915/i915_debugfs.c
-@@ -518,7 +518,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
- I915_READ(GTIMR));
- }
- seq_printf(m, "Interrupts received: %d\n",
-- atomic_read(&dev_priv->irq_received));
-+ atomic_read_unchecked(&dev_priv->irq_received));
- for (i = 0; i < I915_NUM_RINGS; i++) {
- if (IS_GEN6(dev) || IS_GEN7(dev)) {
- seq_printf(m, "Graphics Interrupt mask (%s): %08x\n",
-diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
-index 36822b9..b725e1b 100644
---- a/drivers/gpu/drm/i915/i915_dma.c
-+++ b/drivers/gpu/drm/i915/i915_dma.c
-@@ -1266,7 +1266,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
- bool can_switch;
-
- spin_lock(&dev->count_lock);
-- can_switch = (dev->open_count == 0);
-+ can_switch = (local_read(&dev->open_count) == 0);
- spin_unlock(&dev->count_lock);
- return can_switch;
- }
-diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
-index b0b676a..d107105 100644
---- a/drivers/gpu/drm/i915/i915_drv.h
-+++ b/drivers/gpu/drm/i915/i915_drv.h
-@@ -268,7 +268,7 @@ struct drm_i915_display_funcs {
- /* render clock increase/decrease */
- /* display clock increase/decrease */
- /* pll clock increase/decrease */
--};
-+} __no_const;
-
- struct intel_device_info {
- u8 gen;
-@@ -386,7 +386,7 @@ typedef struct drm_i915_private {
- int current_page;
- int page_flipping;
-
-- atomic_t irq_received;
-+ atomic_unchecked_t irq_received;
-
- /* protects the irq masks */
- spinlock_t irq_lock;
-@@ -985,7 +985,7 @@ struct drm_i915_gem_object {
- * will be page flipped away on the next vblank. When it
- * reaches 0, dev_priv->pending_flip_queue will be woken up.
- */
-- atomic_t pending_flip;
-+ atomic_unchecked_t pending_flip;
- };
-
- #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
-@@ -1434,7 +1434,7 @@ extern struct i2c_adapter *intel_gmbus_get_adapter(
- struct drm_i915_private *dev_priv, unsigned port);
- extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
- extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
--extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
-+static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
- {
- return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
- }
-diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-index 974a9f1..b3ebd45 100644
---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-@@ -189,7 +189,7 @@ i915_gem_object_set_to_gpu_domain(struct drm_i915_gem_object *obj,
- i915_gem_clflush_object(obj);
-
- if (obj->base.pending_write_domain)
-- cd->flips |= atomic_read(&obj->pending_flip);
-+ cd->flips |= atomic_read_unchecked(&obj->pending_flip);
-
- /* The actual obj->write_domain will be updated with
- * pending_write_domain after we emit the accumulated flush for all
-@@ -916,9 +916,9 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec)
-
- static int
- validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
-- int count)
-+ unsigned int count)
- {
-- int i;
-+ unsigned int i;
-
- for (i = 0; i < count; i++) {
- char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr;
-diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
-index ed3224c..6618589 100644
---- a/drivers/gpu/drm/i915/i915_irq.c
-+++ b/drivers/gpu/drm/i915/i915_irq.c
-@@ -433,7 +433,7 @@ static irqreturn_t valleyview_irq_handler(DRM_IRQ_ARGS)
- int vblank = 0;
- bool blc_event;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- vblank_status = PIPE_START_VBLANK_INTERRUPT_STATUS |
- PIPE_VBLANK_INTERRUPT_STATUS;
-@@ -586,7 +586,7 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
- irqreturn_t ret = IRQ_NONE;
- int i;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- /* disable master interrupt before clearing iir */
- de_ier = I915_READ(DEIER);
-@@ -661,7 +661,7 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
- u32 de_iir, gt_iir, de_ier, pch_iir, pm_iir;
- u32 hotplug_mask;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- /* disable master interrupt before clearing iir */
- de_ier = I915_READ(DEIER);
-@@ -1646,7 +1646,7 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
- {
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
-- atomic_set(&dev_priv->irq_received, 0);
-+ atomic_set_unchecked(&dev_priv->irq_received, 0);
-
-
- I915_WRITE(HWSTAM, 0xeffe);
-@@ -1673,7 +1673,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe;
-
-- atomic_set(&dev_priv->irq_received, 0);
-+ atomic_set_unchecked(&dev_priv->irq_received, 0);
-
- /* VLV magic */
- I915_WRITE(VLV_IMR, 0);
-@@ -1969,7 +1969,7 @@ static void i8xx_irq_preinstall(struct drm_device * dev)
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe;
-
-- atomic_set(&dev_priv->irq_received, 0);
-+ atomic_set_unchecked(&dev_priv->irq_received, 0);
-
- for_each_pipe(pipe)
- I915_WRITE(PIPESTAT(pipe), 0);
-@@ -2020,7 +2020,7 @@ static irqreturn_t i8xx_irq_handler(DRM_IRQ_ARGS)
- I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
- I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- iir = I915_READ16(IIR);
- if (iir == 0)
-@@ -2105,7 +2105,7 @@ static void i915_irq_preinstall(struct drm_device * dev)
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe;
-
-- atomic_set(&dev_priv->irq_received, 0);
-+ atomic_set_unchecked(&dev_priv->irq_received, 0);
-
- if (I915_HAS_HOTPLUG(dev)) {
- I915_WRITE(PORT_HOTPLUG_EN, 0);
-@@ -2200,7 +2200,7 @@ static irqreturn_t i915_irq_handler(DRM_IRQ_ARGS)
- };
- int pipe, ret = IRQ_NONE;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- iir = I915_READ(IIR);
- do {
-@@ -2326,7 +2326,7 @@ static void i965_irq_preinstall(struct drm_device * dev)
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe;
-
-- atomic_set(&dev_priv->irq_received, 0);
-+ atomic_set_unchecked(&dev_priv->irq_received, 0);
-
- if (I915_HAS_HOTPLUG(dev)) {
- I915_WRITE(PORT_HOTPLUG_EN, 0);
-@@ -2436,7 +2436,7 @@ static irqreturn_t i965_irq_handler(DRM_IRQ_ARGS)
- int irq_received;
- int ret = IRQ_NONE, pipe;
-
-- atomic_inc(&dev_priv->irq_received);
-+ atomic_inc_unchecked(&dev_priv->irq_received);
-
- iir = I915_READ(IIR);
-
-diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
-index 8a11131..46eeeaa 100644
---- a/drivers/gpu/drm/i915/intel_display.c
-+++ b/drivers/gpu/drm/i915/intel_display.c
-@@ -2000,7 +2000,7 @@ intel_finish_fb(struct drm_framebuffer *old_fb)
-
- wait_event(dev_priv->pending_flip_queue,
- atomic_read(&dev_priv->mm.wedged) ||
-- atomic_read(&obj->pending_flip) == 0);
-+ atomic_read_unchecked(&obj->pending_flip) == 0);
-
- /* Big Hammer, we also need to ensure that any pending
- * MI_WAIT_FOR_EVENT inside a user batch buffer on the
-@@ -5914,9 +5914,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
-
- obj = work->old_fb_obj;
-
-- atomic_clear_mask(1 << intel_crtc->plane,
-- &obj->pending_flip.counter);
-- if (atomic_read(&obj->pending_flip) == 0)
-+ atomic_clear_mask_unchecked(1 << intel_crtc->plane, &obj->pending_flip);
-+ if (atomic_read_unchecked(&obj->pending_flip) == 0)
- wake_up(&dev_priv->pending_flip_queue);
-
- schedule_work(&work->work);
-@@ -6253,7 +6252,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
- /* Block clients from rendering to the new back buffer until
- * the flip occurs and the object is no longer visible.
- */
-- atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-+ atomic_add_unchecked(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-
- ret = dev_priv->display.queue_flip(dev, crtc, fb, obj);
- if (ret)
-@@ -6268,7 +6267,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
- return 0;
-
- cleanup_pending:
-- atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-+ atomic_sub_unchecked(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
- drm_gem_object_unreference(&work->old_fb_obj->base);
- drm_gem_object_unreference(&obj->base);
- mutex_unlock(&dev->struct_mutex);
-diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
-index 54558a0..2d97005 100644
---- a/drivers/gpu/drm/mga/mga_drv.h
-+++ b/drivers/gpu/drm/mga/mga_drv.h
-@@ -120,9 +120,9 @@ typedef struct drm_mga_private {
- u32 clear_cmd;
- u32 maccess;
-
-- atomic_t vbl_received; /**< Number of vblanks received. */
-+ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */
- wait_queue_head_t fence_queue;
-- atomic_t last_fence_retired;
-+ atomic_unchecked_t last_fence_retired;
- u32 next_fence_to_post;
-
- unsigned int fb_cpp;
-diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
-index 2581202..f230a8d9 100644
---- a/drivers/gpu/drm/mga/mga_irq.c
-+++ b/drivers/gpu/drm/mga/mga_irq.c
-@@ -44,7 +44,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
- if (crtc != 0)
- return 0;
-
-- return atomic_read(&dev_priv->vbl_received);
-+ return atomic_read_unchecked(&dev_priv->vbl_received);
- }
-
-
-@@ -60,7 +60,7 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
- /* VBLANK interrupt */
- if (status & MGA_VLINEPEN) {
- MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
-- atomic_inc(&dev_priv->vbl_received);
-+ atomic_inc_unchecked(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
- handled = 1;
- }
-@@ -79,7 +79,7 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
- if ((prim_start & ~0x03) != (prim_end & ~0x03))
- MGA_WRITE(MGA_PRIMEND, prim_end);
-
-- atomic_inc(&dev_priv->last_fence_retired);
-+ atomic_inc_unchecked(&dev_priv->last_fence_retired);
- DRM_WAKEUP(&dev_priv->fence_queue);
- handled = 1;
- }
-@@ -130,7 +130,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence)
- * using fences.
- */
- DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * DRM_HZ,
-- (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
-+ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired))
- - *sequence) <= (1 << 23)));
-
- *sequence = cur_fence;
-diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
-index 2f11e16..191267e 100644
---- a/drivers/gpu/drm/nouveau/nouveau_bios.c
-+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
-@@ -5340,7 +5340,7 @@ parse_bit_U_tbl_entry(struct drm_device *dev, struct nvbios *bios,
- struct bit_table {
- const char id;
- int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *);
--};
-+} __no_const;
-
- #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry })
-
-diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
-index b863a3a..c55e0dc 100644
---- a/drivers/gpu/drm/nouveau/nouveau_drv.h
-+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
-@@ -302,7 +302,7 @@ struct nouveau_exec_engine {
- u32 handle, u16 class);
- void (*set_tile_region)(struct drm_device *dev, int i);
- void (*tlb_flush)(struct drm_device *, int engine);
--};
-+} __no_const;
-
- struct nouveau_instmem_engine {
- void *priv;
-@@ -324,13 +324,13 @@ struct nouveau_instmem_engine {
- struct nouveau_mc_engine {
- int (*init)(struct drm_device *dev);
- void (*takedown)(struct drm_device *dev);
--};
-+} __no_const;
-
- struct nouveau_timer_engine {
- int (*init)(struct drm_device *dev);
- void (*takedown)(struct drm_device *dev);
- uint64_t (*read)(struct drm_device *dev);
--};
-+} __no_const;
-
- struct nouveau_fb_engine {
- int num_tiles;
-@@ -547,7 +547,7 @@ struct nouveau_vram_engine {
- void (*put)(struct drm_device *, struct nouveau_mem **);
-
- bool (*flags_valid)(struct drm_device *, u32 tile_flags);
--};
-+} __no_const;
-
- struct nouveau_engine {
- struct nouveau_instmem_engine instmem;
-@@ -693,7 +693,7 @@ struct drm_nouveau_private {
- struct drm_global_reference mem_global_ref;
- struct ttm_bo_global_ref bo_global_ref;
- struct ttm_bo_device bdev;
-- atomic_t validate_sequence;
-+ atomic_unchecked_t validate_sequence;
- int (*move)(struct nouveau_channel *,
- struct ttm_buffer_object *,
- struct ttm_mem_reg *, struct ttm_mem_reg *);
-diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
-index 30f5423..abca136 100644
---- a/drivers/gpu/drm/nouveau/nouveau_gem.c
-+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
-@@ -319,7 +319,7 @@ validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
- int trycnt = 0;
- int ret, i;
-
-- sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
-+ sequence = atomic_add_return_unchecked(1, &dev_priv->ttm.validate_sequence);
- retry:
- if (++trycnt > 100000) {
- NV_ERROR(dev, "%s failed and gave up.\n", __func__);
-diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
-index 19706f0..f257368 100644
---- a/drivers/gpu/drm/nouveau/nouveau_state.c
-+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
-@@ -490,7 +490,7 @@ static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
- bool can_switch;
-
- spin_lock(&dev->count_lock);
-- can_switch = (dev->open_count == 0);
-+ can_switch = (local_read(&dev->open_count) == 0);
- spin_unlock(&dev->count_lock);
- return can_switch;
- }
-diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
-index a9514ea..369d511 100644
---- a/drivers/gpu/drm/nouveau/nv50_sor.c
-+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
-@@ -304,7 +304,7 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
- }
-
- if (nv_encoder->dcb->type == OUTPUT_DP) {
-- struct dp_train_func func = {
-+ static struct dp_train_func func = {
- .link_set = nv50_sor_dp_link_set,
- .train_set = nv50_sor_dp_train_set,
- .train_adj = nv50_sor_dp_train_adj
-diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
-index c50b075..6b07dfc 100644
---- a/drivers/gpu/drm/nouveau/nvd0_display.c
-+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
-@@ -1366,7 +1366,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
- nv_wait(dev, 0x61c030 + (or * 0x0800), 0x10000000, 0x00000000);
-
- if (nv_encoder->dcb->type == OUTPUT_DP) {
-- struct dp_train_func func = {
-+ static struct dp_train_func func = {
- .link_set = nvd0_sor_dp_link_set,
- .train_set = nvd0_sor_dp_train_set,
- .train_adj = nvd0_sor_dp_train_adj
-diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
-index bcac90b..53bfc76 100644
---- a/drivers/gpu/drm/r128/r128_cce.c
-+++ b/drivers/gpu/drm/r128/r128_cce.c
-@@ -378,7 +378,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init)
-
- /* GH: Simple idle check.
- */
-- atomic_set(&dev_priv->idle_count, 0);
-+ atomic_set_unchecked(&dev_priv->idle_count, 0);
-
- /* We don't support anything other than bus-mastering ring mode,
- * but the ring can be in either AGP or PCI space for the ring
-diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
-index 930c71b..499aded 100644
---- a/drivers/gpu/drm/r128/r128_drv.h
-+++ b/drivers/gpu/drm/r128/r128_drv.h
-@@ -90,14 +90,14 @@ typedef struct drm_r128_private {
- int is_pci;
- unsigned long cce_buffers_offset;
-
-- atomic_t idle_count;
-+ atomic_unchecked_t idle_count;
-
- int page_flipping;
- int current_page;
- u32 crtc_offset;
- u32 crtc_offset_cntl;
-
-- atomic_t vbl_received;
-+ atomic_unchecked_t vbl_received;
-
- u32 color_fmt;
- unsigned int front_offset;
-diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c
-index 429d5a0..7e899ed 100644
---- a/drivers/gpu/drm/r128/r128_irq.c
-+++ b/drivers/gpu/drm/r128/r128_irq.c
-@@ -42,7 +42,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
- if (crtc != 0)
- return 0;
-
-- return atomic_read(&dev_priv->vbl_received);
-+ return atomic_read_unchecked(&dev_priv->vbl_received);
- }
-
- irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
-@@ -56,7 +56,7 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
- /* VBLANK interrupt */
- if (status & R128_CRTC_VBLANK_INT) {
- R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
-- atomic_inc(&dev_priv->vbl_received);
-+ atomic_inc_unchecked(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
- return IRQ_HANDLED;
- }
-diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c
-index a9e33ce..09edd4b 100644
---- a/drivers/gpu/drm/r128/r128_state.c
-+++ b/drivers/gpu/drm/r128/r128_state.c
-@@ -321,10 +321,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv,
-
- static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv)
- {
-- if (atomic_read(&dev_priv->idle_count) == 0)
-+ if (atomic_read_unchecked(&dev_priv->idle_count) == 0)
- r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
- else
-- atomic_set(&dev_priv->idle_count, 0);
-+ atomic_set_unchecked(&dev_priv->idle_count, 0);
- }
-
- #endif
-diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
-index 5a82b6b..9e69c73 100644
---- a/drivers/gpu/drm/radeon/mkregtable.c
-+++ b/drivers/gpu/drm/radeon/mkregtable.c
-@@ -637,14 +637,14 @@ static int parser_auth(struct table *t, const char *filename)
- regex_t mask_rex;
- regmatch_t match[4];
- char buf[1024];
-- size_t end;
-+ long end;
- int len;
- int done = 0;
- int r;
- unsigned o;
- struct offset *offset;
- char last_reg_s[10];
-- int last_reg;
-+ unsigned long last_reg;
-
- if (regcomp
- (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) {
-diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
-index fefcca5..20a5b90 100644
---- a/drivers/gpu/drm/radeon/radeon.h
-+++ b/drivers/gpu/drm/radeon/radeon.h
-@@ -743,7 +743,7 @@ struct r600_blit_cp_primitives {
- int x2, int y2);
- void (*draw_auto)(struct radeon_device *rdev);
- void (*set_default_state)(struct radeon_device *rdev);
--};
-+} __no_const;
-
- struct r600_blit {
- struct radeon_bo *shader_obj;
-@@ -1244,7 +1244,7 @@ struct radeon_asic {
- u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
- void (*post_page_flip)(struct radeon_device *rdev, int crtc);
- } pflip;
--};
-+} __no_const;
-
- /*
- * Asic structures
-diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
-index 066c98b..96ab858 100644
---- a/drivers/gpu/drm/radeon/radeon_device.c
-+++ b/drivers/gpu/drm/radeon/radeon_device.c
-@@ -692,7 +692,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev)
- bool can_switch;
-
- spin_lock(&dev->count_lock);
-- can_switch = (dev->open_count == 0);
-+ can_switch = (local_read(&dev->open_count) == 0);
- spin_unlock(&dev->count_lock);
- return can_switch;
- }
-diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
-index a1b59ca..86f2d44 100644
---- a/drivers/gpu/drm/radeon/radeon_drv.h
-+++ b/drivers/gpu/drm/radeon/radeon_drv.h
-@@ -255,7 +255,7 @@ typedef struct drm_radeon_private {
-
- /* SW interrupt */
- wait_queue_head_t swi_queue;
-- atomic_t swi_emitted;
-+ atomic_unchecked_t swi_emitted;
- int vblank_crtc;
- uint32_t irq_enable_reg;
- uint32_t r500_disp_irq_reg;
-diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c
-index 48b7cea..342236f 100644
---- a/drivers/gpu/drm/radeon/radeon_ioc32.c
-+++ b/drivers/gpu/drm/radeon/radeon_ioc32.c
-@@ -359,7 +359,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || __put_user(req32.param, &request->param)
-- || __put_user((void __user *)(unsigned long)req32.value,
-+ || __put_user((unsigned long)req32.value,
- &request->value))
- return -EFAULT;
-
-diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
-index 00da384..32f972d 100644
---- a/drivers/gpu/drm/radeon/radeon_irq.c
-+++ b/drivers/gpu/drm/radeon/radeon_irq.c
-@@ -225,8 +225,8 @@ static int radeon_emit_irq(struct drm_device * dev)
- unsigned int ret;
- RING_LOCALS;
-
-- atomic_inc(&dev_priv->swi_emitted);
-- ret = atomic_read(&dev_priv->swi_emitted);
-+ atomic_inc_unchecked(&dev_priv->swi_emitted);
-+ ret = atomic_read_unchecked(&dev_priv->swi_emitted);
-
- BEGIN_RING(4);
- OUT_RING_REG(RADEON_LAST_SWI_REG, ret);
-@@ -352,7 +352,7 @@ int radeon_driver_irq_postinstall(struct drm_device *dev)
- drm_radeon_private_t *dev_priv =
- (drm_radeon_private_t *) dev->dev_private;
-
-- atomic_set(&dev_priv->swi_emitted, 0);
-+ atomic_set_unchecked(&dev_priv->swi_emitted, 0);
- DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
-
- dev->max_vblank_count = 0x001fffff;
-diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
-index e8422ae..d22d4a8 100644
---- a/drivers/gpu/drm/radeon/radeon_state.c
-+++ b/drivers/gpu/drm/radeon/radeon_state.c
-@@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *
- if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
- sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
-
-- if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
-+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
- sarea_priv->nbox * sizeof(depth_boxes[0])))
- return -EFAULT;
-
-@@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil
- {
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_getparam_t *param = data;
-- int value;
-+ int value = 0;
-
- DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
-
-diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
-index c94a225..5795d34 100644
---- a/drivers/gpu/drm/radeon/radeon_ttm.c
-+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
-@@ -852,8 +852,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
- }
- if (unlikely(ttm_vm_ops == NULL)) {
- ttm_vm_ops = vma->vm_ops;
-- radeon_ttm_vm_ops = *ttm_vm_ops;
-- radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
-+ pax_open_kernel();
-+ memcpy((void *)&radeon_ttm_vm_ops, ttm_vm_ops, sizeof(radeon_ttm_vm_ops));
-+ *(void **)&radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
-+ pax_close_kernel();
- }
- vma->vm_ops = &radeon_ttm_vm_ops;
- return 0;
-diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
-index 159b6a4..fa82487 100644
---- a/drivers/gpu/drm/radeon/rs690.c
-+++ b/drivers/gpu/drm/radeon/rs690.c
-@@ -304,9 +304,11 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
- if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
- rdev->pm.sideport_bandwidth.full)
- rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
-- read_delay_latency.full = dfixed_const(370 * 800 * 1000);
-+ read_delay_latency.full = dfixed_const(800 * 1000);
- read_delay_latency.full = dfixed_div(read_delay_latency,
- rdev->pm.igp_sideport_mclk);
-+ a.full = dfixed_const(370);
-+ read_delay_latency.full = dfixed_mul(read_delay_latency, a);
- } else {
- if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
- rdev->pm.k8_bandwidth.full)
-diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
-index ebc6fac..a8313ed 100644
---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
-+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
-@@ -394,9 +394,9 @@ static int ttm_pool_get_num_unused_pages(void)
- static int ttm_pool_mm_shrink(struct shrinker *shrink,
- struct shrink_control *sc)
- {
-- static atomic_t start_pool = ATOMIC_INIT(0);
-+ static atomic_unchecked_t start_pool = ATOMIC_INIT(0);
- unsigned i;
-- unsigned pool_offset = atomic_add_return(1, &start_pool);
-+ unsigned pool_offset = atomic_add_return_unchecked(1, &start_pool);
- struct ttm_page_pool *pool;
- int shrink_pages = sc->nr_to_scan;
-
-diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
-index 88edacc..1e5412b 100644
---- a/drivers/gpu/drm/via/via_drv.h
-+++ b/drivers/gpu/drm/via/via_drv.h
-@@ -51,7 +51,7 @@ typedef struct drm_via_ring_buffer {
- typedef uint32_t maskarray_t[5];
-
- typedef struct drm_via_irq {
-- atomic_t irq_received;
-+ atomic_unchecked_t irq_received;
- uint32_t pending_mask;
- uint32_t enable_mask;
- wait_queue_head_t irq_queue;
-@@ -75,7 +75,7 @@ typedef struct drm_via_private {
- struct timeval last_vblank;
- int last_vblank_valid;
- unsigned usec_per_vblank;
-- atomic_t vbl_received;
-+ atomic_unchecked_t vbl_received;
- drm_via_state_t hc_state;
- char pci_buf[VIA_PCI_BUF_SIZE];
- const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
-diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
-index d391f48..10c8ca3 100644
---- a/drivers/gpu/drm/via/via_irq.c
-+++ b/drivers/gpu/drm/via/via_irq.c
-@@ -102,7 +102,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
- if (crtc != 0)
- return 0;
-
-- return atomic_read(&dev_priv->vbl_received);
-+ return atomic_read_unchecked(&dev_priv->vbl_received);
- }
-
- irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
-@@ -117,8 +117,8 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
-
- status = VIA_READ(VIA_REG_INTERRUPT);
- if (status & VIA_IRQ_VBLANK_PENDING) {
-- atomic_inc(&dev_priv->vbl_received);
-- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
-+ atomic_inc_unchecked(&dev_priv->vbl_received);
-+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) {
- do_gettimeofday(&cur_vblank);
- if (dev_priv->last_vblank_valid) {
- dev_priv->usec_per_vblank =
-@@ -128,7 +128,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
- dev_priv->last_vblank = cur_vblank;
- dev_priv->last_vblank_valid = 1;
- }
-- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
-+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) {
- DRM_DEBUG("US per vblank is: %u\n",
- dev_priv->usec_per_vblank);
- }
-@@ -138,7 +138,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
-
- for (i = 0; i < dev_priv->num_irqs; ++i) {
- if (status & cur_irq->pending_mask) {
-- atomic_inc(&cur_irq->irq_received);
-+ atomic_inc_unchecked(&cur_irq->irq_received);
- DRM_WAKEUP(&cur_irq->irq_queue);
- handled = 1;
- if (dev_priv->irq_map[drm_via_irq_dma0_td] == i)
-@@ -243,11 +243,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence
- DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
- ((VIA_READ(masks[irq][2]) & masks[irq][3]) ==
- masks[irq][4]));
-- cur_irq_sequence = atomic_read(&cur_irq->irq_received);
-+ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received);
- } else {
- DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
- (((cur_irq_sequence =
-- atomic_read(&cur_irq->irq_received)) -
-+ atomic_read_unchecked(&cur_irq->irq_received)) -
- *sequence) <= (1 << 23)));
- }
- *sequence = cur_irq_sequence;
-@@ -285,7 +285,7 @@ void via_driver_irq_preinstall(struct drm_device *dev)
- }
-
- for (i = 0; i < dev_priv->num_irqs; ++i) {
-- atomic_set(&cur_irq->irq_received, 0);
-+ atomic_set_unchecked(&cur_irq->irq_received, 0);
- cur_irq->enable_mask = dev_priv->irq_masks[i][0];
- cur_irq->pending_mask = dev_priv->irq_masks[i][1];
- DRM_INIT_WAITQUEUE(&cur_irq->irq_queue);
-@@ -367,7 +367,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
- switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) {
- case VIA_IRQ_RELATIVE:
- irqwait->request.sequence +=
-- atomic_read(&cur_irq->irq_received);
-+ atomic_read_unchecked(&cur_irq->irq_received);
- irqwait->request.type &= ~_DRM_VBLANK_RELATIVE;
- case VIA_IRQ_ABSOLUTE:
- break;
-diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
-index d0f2c07..9ebd9c3 100644
---- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
-+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
-@@ -263,7 +263,7 @@ struct vmw_private {
- * Fencing and IRQs.
- */
-
-- atomic_t marker_seq;
-+ atomic_unchecked_t marker_seq;
- wait_queue_head_t fence_queue;
- wait_queue_head_t fifo_queue;
- int fence_queue_waiters; /* Protected by hw_mutex */
-diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
-index a0c2f12..68ae6cb 100644
---- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
-+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
-@@ -137,7 +137,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
- (unsigned int) min,
- (unsigned int) fifo->capabilities);
-
-- atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno);
-+ atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno);
- iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE);
- vmw_marker_queue_init(&fifo->marker_queue);
- return vmw_fifo_send_fence(dev_priv, &dummy);
-@@ -355,7 +355,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
- if (reserveable)
- iowrite32(bytes, fifo_mem +
- SVGA_FIFO_RESERVED);
-- return fifo_mem + (next_cmd >> 2);
-+ return (__le32 __force_kernel *)fifo_mem + (next_cmd >> 2);
- } else {
- need_bounce = true;
- }
-@@ -475,7 +475,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
-
- fm = vmw_fifo_reserve(dev_priv, bytes);
- if (unlikely(fm == NULL)) {
-- *seqno = atomic_read(&dev_priv->marker_seq);
-+ *seqno = atomic_read_unchecked(&dev_priv->marker_seq);
- ret = -ENOMEM;
- (void)vmw_fallback_wait(dev_priv, false, true, *seqno,
- false, 3*HZ);
-@@ -483,7 +483,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
- }
-
- do {
-- *seqno = atomic_add_return(1, &dev_priv->marker_seq);
-+ *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq);
- } while (*seqno == 0);
-
- if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) {
-diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
-index cabc95f..14b3d77 100644
---- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
-+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
-@@ -107,7 +107,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv,
- * emitted. Then the fence is stale and signaled.
- */
-
-- ret = ((atomic_read(&dev_priv->marker_seq) - seqno)
-+ ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno)
- > VMW_FENCE_WRAP);
-
- return ret;
-@@ -138,7 +138,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
-
- if (fifo_idle)
- down_read(&fifo_state->rwsem);
-- signal_seq = atomic_read(&dev_priv->marker_seq);
-+ signal_seq = atomic_read_unchecked(&dev_priv->marker_seq);
- ret = 0;
-
- for (;;) {
-diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
-index 8a8725c..afed796 100644
---- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
-+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
-@@ -151,7 +151,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv,
- while (!vmw_lag_lt(queue, us)) {
- spin_lock(&queue->lock);
- if (list_empty(&queue->head))
-- seqno = atomic_read(&dev_priv->marker_seq);
-+ seqno = atomic_read_unchecked(&dev_priv->marker_seq);
- else {
- marker = list_first_entry(&queue->head,
- struct vmw_marker, head);
-diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
-index 1f6957c..b579481 100644
---- a/drivers/hid/hid-core.c
-+++ b/drivers/hid/hid-core.c
-@@ -2153,7 +2153,7 @@ static bool hid_ignore(struct hid_device *hdev)
-
- int hid_add_device(struct hid_device *hdev)
- {
-- static atomic_t id = ATOMIC_INIT(0);
-+ static atomic_unchecked_t id = ATOMIC_INIT(0);
- int ret;
-
- if (WARN_ON(hdev->status & HID_STAT_ADDED))
-@@ -2188,7 +2188,7 @@ int hid_add_device(struct hid_device *hdev)
- /* XXX hack, any other cleaner solution after the driver core
- * is converted to allow more than 20 bytes as the device name? */
- dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
-- hdev->vendor, hdev->product, atomic_inc_return(&id));
-+ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id));
-
- hid_debug_register(hdev, dev_name(&hdev->dev));
- ret = device_add(&hdev->dev);
-diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
-index eec3291..8ed706b 100644
---- a/drivers/hid/hid-wiimote-debug.c
-+++ b/drivers/hid/hid-wiimote-debug.c
-@@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
- else if (size == 0)
- return -EIO;
-
-- if (copy_to_user(u, buf, size))
-+ if (size > sizeof(buf) || copy_to_user(u, buf, size))
- return -EFAULT;
-
- *off += size;
-diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
-index 14599e2..711c965 100644
---- a/drivers/hid/usbhid/hiddev.c
-+++ b/drivers/hid/usbhid/hiddev.c
-@@ -625,7 +625,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
- break;
-
- case HIDIOCAPPLICATION:
-- if (arg < 0 || arg >= hid->maxapplication)
-+ if (arg >= hid->maxapplication)
- break;
-
- for (i = 0; i < hid->maxcollection; i++)
-diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
-index 4065374..10ed7dc 100644
---- a/drivers/hv/channel.c
-+++ b/drivers/hv/channel.c
-@@ -400,8 +400,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
- int ret = 0;
- int t;
-
-- next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle);
-- atomic_inc(&vmbus_connection.next_gpadl_handle);
-+ next_gpadl_handle = atomic_read_unchecked(&vmbus_connection.next_gpadl_handle);
-+ atomic_inc_unchecked(&vmbus_connection.next_gpadl_handle);
-
- ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount);
- if (ret)
-diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
-index 86f8885..ab9cb2b 100644
---- a/drivers/hv/hv.c
-+++ b/drivers/hv/hv.c
-@@ -132,7 +132,7 @@ static u64 do_hypercall(u64 control, void *input, void *output)
- u64 output_address = (output) ? virt_to_phys(output) : 0;
- u32 output_address_hi = output_address >> 32;
- u32 output_address_lo = output_address & 0xFFFFFFFF;
-- void *hypercall_page = hv_context.hypercall_page;
-+ void *hypercall_page = ktva_ktla(hv_context.hypercall_page);
-
- __asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi),
- "=a"(hv_status_lo) : "d" (control_hi),
-diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
-index b9426a6..677ce34 100644
---- a/drivers/hv/hyperv_vmbus.h
-+++ b/drivers/hv/hyperv_vmbus.h
-@@ -555,7 +555,7 @@ enum vmbus_connect_state {
- struct vmbus_connection {
- enum vmbus_connect_state conn_state;
-
-- atomic_t next_gpadl_handle;
-+ atomic_unchecked_t next_gpadl_handle;
-
- /*
- * Represents channel interrupts. Each bit position represents a
-diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
-index a220e57..428f54d 100644
---- a/drivers/hv/vmbus_drv.c
-+++ b/drivers/hv/vmbus_drv.c
-@@ -663,10 +663,10 @@ int vmbus_device_register(struct hv_device *child_device_obj)
- {
- int ret = 0;
-
-- static atomic_t device_num = ATOMIC_INIT(0);
-+ static atomic_unchecked_t device_num = ATOMIC_INIT(0);
-
- dev_set_name(&child_device_obj->device, "vmbus_0_%d",
-- atomic_inc_return(&device_num));
-+ atomic_inc_return_unchecked(&device_num));
-
- child_device_obj->device.bus = &hv_bus;
- child_device_obj->device.parent = &hv_acpi_dev->dev;
-diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
-index 34ad5a2..e2b0ae8 100644
---- a/drivers/hwmon/acpi_power_meter.c
-+++ b/drivers/hwmon/acpi_power_meter.c
-@@ -308,8 +308,6 @@ static ssize_t set_trip(struct device *dev, struct device_attribute *devattr,
- return res;
-
- temp /= 1000;
-- if (temp < 0)
-- return -EINVAL;
-
- mutex_lock(&resource->lock);
- resource->trip[attr->index - 7] = temp;
-diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
-index 8b011d0..3de24a1 100644
---- a/drivers/hwmon/sht15.c
-+++ b/drivers/hwmon/sht15.c
-@@ -166,7 +166,7 @@ struct sht15_data {
- int supply_uV;
- bool supply_uV_valid;
- struct work_struct update_supply_work;
-- atomic_t interrupt_handled;
-+ atomic_unchecked_t interrupt_handled;
- };
-
- /**
-@@ -509,13 +509,13 @@ static int sht15_measurement(struct sht15_data *data,
- return ret;
-
- gpio_direction_input(data->pdata->gpio_data);
-- atomic_set(&data->interrupt_handled, 0);
-+ atomic_set_unchecked(&data->interrupt_handled, 0);
-
- enable_irq(gpio_to_irq(data->pdata->gpio_data));
- if (gpio_get_value(data->pdata->gpio_data) == 0) {
- disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));
- /* Only relevant if the interrupt hasn't occurred. */
-- if (!atomic_read(&data->interrupt_handled))
-+ if (!atomic_read_unchecked(&data->interrupt_handled))
- schedule_work(&data->read_work);
- }
- ret = wait_event_timeout(data->wait_queue,
-@@ -782,7 +782,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d)
-
- /* First disable the interrupt */
- disable_irq_nosync(irq);
-- atomic_inc(&data->interrupt_handled);
-+ atomic_inc_unchecked(&data->interrupt_handled);
- /* Then schedule a reading work struct */
- if (data->state != SHT15_READING_NOTHING)
- schedule_work(&data->read_work);
-@@ -804,11 +804,11 @@ static void sht15_bh_read_data(struct work_struct *work_s)
- * If not, then start the interrupt again - care here as could
- * have gone low in meantime so verify it hasn't!
- */
-- atomic_set(&data->interrupt_handled, 0);
-+ atomic_set_unchecked(&data->interrupt_handled, 0);
- enable_irq(gpio_to_irq(data->pdata->gpio_data));
- /* If still not occurred or another handler was scheduled */
- if (gpio_get_value(data->pdata->gpio_data)
-- || atomic_read(&data->interrupt_handled))
-+ || atomic_read_unchecked(&data->interrupt_handled))
- return;
- }
-
-diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
-index 378fcb5..5e91fa8 100644
---- a/drivers/i2c/busses/i2c-amd756-s4882.c
-+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
-@@ -43,7 +43,7 @@
- extern struct i2c_adapter amd756_smbus;
-
- static struct i2c_adapter *s4882_adapter;
--static struct i2c_algorithm *s4882_algo;
-+static i2c_algorithm_no_const *s4882_algo;
-
- /* Wrapper access functions for multiplexed SMBus */
- static DEFINE_MUTEX(amd756_lock);
-diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c
-index 29015eb..af2d8e9 100644
---- a/drivers/i2c/busses/i2c-nforce2-s4985.c
-+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c
-@@ -41,7 +41,7 @@
- extern struct i2c_adapter *nforce2_smbus;
-
- static struct i2c_adapter *s4985_adapter;
--static struct i2c_algorithm *s4985_algo;
-+static i2c_algorithm_no_const *s4985_algo;
-
- /* Wrapper access functions for multiplexed SMBus */
- static DEFINE_MUTEX(nforce2_lock);
-diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
-index 1038c38..eb92f51 100644
---- a/drivers/i2c/i2c-mux.c
-+++ b/drivers/i2c/i2c-mux.c
-@@ -30,7 +30,7 @@
- /* multiplexer per channel data */
- struct i2c_mux_priv {
- struct i2c_adapter adap;
-- struct i2c_algorithm algo;
-+ i2c_algorithm_no_const algo;
-
- struct i2c_adapter *parent;
- void *mux_priv; /* the mux chip/device */
-diff --git a/drivers/ide/aec62xx.c b/drivers/ide/aec62xx.c
-index 57d00ca..0145194 100644
---- a/drivers/ide/aec62xx.c
-+++ b/drivers/ide/aec62xx.c
-@@ -181,7 +181,7 @@ static const struct ide_port_ops atp86x_port_ops = {
- .cable_detect = atp86x_cable_detect,
- };
-
--static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
-+static const struct ide_port_info aec62xx_chipsets[] __devinitconst = {
- { /* 0: AEC6210 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_aec62xx,
-diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
-index 2c8016a..911a27c 100644
---- a/drivers/ide/alim15x3.c
-+++ b/drivers/ide/alim15x3.c
-@@ -512,7 +512,7 @@ static const struct ide_dma_ops ali_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info ali15x3_chipset __devinitdata = {
-+static const struct ide_port_info ali15x3_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_ali15x3,
- .init_hwif = init_hwif_ali15x3,
-diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
-index 3747b25..56fc995 100644
---- a/drivers/ide/amd74xx.c
-+++ b/drivers/ide/amd74xx.c
-@@ -223,7 +223,7 @@ static const struct ide_port_ops amd_port_ops = {
- .udma_mask = udma, \
- }
-
--static const struct ide_port_info amd74xx_chipsets[] __devinitdata = {
-+static const struct ide_port_info amd74xx_chipsets[] __devinitconst = {
- /* 0: AMD7401 */ DECLARE_AMD_DEV(0x00, ATA_UDMA2),
- /* 1: AMD7409 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA4),
- /* 2: AMD7411/7441 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA5),
-diff --git a/drivers/ide/atiixp.c b/drivers/ide/atiixp.c
-index 15f0ead..cb43480 100644
---- a/drivers/ide/atiixp.c
-+++ b/drivers/ide/atiixp.c
-@@ -139,7 +139,7 @@ static const struct ide_port_ops atiixp_port_ops = {
- .cable_detect = atiixp_cable_detect,
- };
-
--static const struct ide_port_info atiixp_pci_info[] __devinitdata = {
-+static const struct ide_port_info atiixp_pci_info[] __devinitconst = {
- { /* 0: IXP200/300/400/700 */
- .name = DRV_NAME,
- .enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
-diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
-index 5f80312..d1fc438 100644
---- a/drivers/ide/cmd64x.c
-+++ b/drivers/ide/cmd64x.c
-@@ -327,7 +327,7 @@ static const struct ide_dma_ops cmd646_rev1_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
-+static const struct ide_port_info cmd64x_chipsets[] __devinitconst = {
- { /* 0: CMD643 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_cmd64x,
-diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c
-index 2c1e5f7..1444762 100644
---- a/drivers/ide/cs5520.c
-+++ b/drivers/ide/cs5520.c
-@@ -94,7 +94,7 @@ static const struct ide_port_ops cs5520_port_ops = {
- .set_dma_mode = cs5520_set_dma_mode,
- };
-
--static const struct ide_port_info cyrix_chipset __devinitdata = {
-+static const struct ide_port_info cyrix_chipset __devinitconst = {
- .name = DRV_NAME,
- .enablebits = { { 0x60, 0x01, 0x01 }, { 0x60, 0x02, 0x02 } },
- .port_ops = &cs5520_port_ops,
-diff --git a/drivers/ide/cs5530.c b/drivers/ide/cs5530.c
-index 4dc4eb9..49b40ad 100644
---- a/drivers/ide/cs5530.c
-+++ b/drivers/ide/cs5530.c
-@@ -245,7 +245,7 @@ static const struct ide_port_ops cs5530_port_ops = {
- .udma_filter = cs5530_udma_filter,
- };
-
--static const struct ide_port_info cs5530_chipset __devinitdata = {
-+static const struct ide_port_info cs5530_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_cs5530,
- .init_hwif = init_hwif_cs5530,
-diff --git a/drivers/ide/cs5535.c b/drivers/ide/cs5535.c
-index 5059faf..18d4c85 100644
---- a/drivers/ide/cs5535.c
-+++ b/drivers/ide/cs5535.c
-@@ -170,7 +170,7 @@ static const struct ide_port_ops cs5535_port_ops = {
- .cable_detect = cs5535_cable_detect,
- };
-
--static const struct ide_port_info cs5535_chipset __devinitdata = {
-+static const struct ide_port_info cs5535_chipset __devinitconst = {
- .name = DRV_NAME,
- .port_ops = &cs5535_port_ops,
- .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE,
-diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
-index 847553f..3ffb49d 100644
---- a/drivers/ide/cy82c693.c
-+++ b/drivers/ide/cy82c693.c
-@@ -163,7 +163,7 @@ static const struct ide_port_ops cy82c693_port_ops = {
- .set_dma_mode = cy82c693_set_dma_mode,
- };
-
--static const struct ide_port_info cy82c693_chipset __devinitdata = {
-+static const struct ide_port_info cy82c693_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_iops = init_iops_cy82c693,
- .port_ops = &cy82c693_port_ops,
-diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
-index 58c51cd..4aec3b8 100644
---- a/drivers/ide/hpt366.c
-+++ b/drivers/ide/hpt366.c
-@@ -443,7 +443,7 @@ static struct hpt_timings hpt37x_timings = {
- }
- };
-
--static const struct hpt_info hpt36x __devinitdata = {
-+static const struct hpt_info hpt36x __devinitconst = {
- .chip_name = "HPT36x",
- .chip_type = HPT36x,
- .udma_mask = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2,
-@@ -451,7 +451,7 @@ static const struct hpt_info hpt36x __devinitdata = {
- .timings = &hpt36x_timings
- };
-
--static const struct hpt_info hpt370 __devinitdata = {
-+static const struct hpt_info hpt370 __devinitconst = {
- .chip_name = "HPT370",
- .chip_type = HPT370,
- .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
-@@ -459,7 +459,7 @@ static const struct hpt_info hpt370 __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt370a __devinitdata = {
-+static const struct hpt_info hpt370a __devinitconst = {
- .chip_name = "HPT370A",
- .chip_type = HPT370A,
- .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
-@@ -467,7 +467,7 @@ static const struct hpt_info hpt370a __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt374 __devinitdata = {
-+static const struct hpt_info hpt374 __devinitconst = {
- .chip_name = "HPT374",
- .chip_type = HPT374,
- .udma_mask = ATA_UDMA5,
-@@ -475,7 +475,7 @@ static const struct hpt_info hpt374 __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt372 __devinitdata = {
-+static const struct hpt_info hpt372 __devinitconst = {
- .chip_name = "HPT372",
- .chip_type = HPT372,
- .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -483,7 +483,7 @@ static const struct hpt_info hpt372 __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt372a __devinitdata = {
-+static const struct hpt_info hpt372a __devinitconst = {
- .chip_name = "HPT372A",
- .chip_type = HPT372A,
- .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -491,7 +491,7 @@ static const struct hpt_info hpt372a __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt302 __devinitdata = {
-+static const struct hpt_info hpt302 __devinitconst = {
- .chip_name = "HPT302",
- .chip_type = HPT302,
- .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -499,7 +499,7 @@ static const struct hpt_info hpt302 __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt371 __devinitdata = {
-+static const struct hpt_info hpt371 __devinitconst = {
- .chip_name = "HPT371",
- .chip_type = HPT371,
- .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -507,7 +507,7 @@ static const struct hpt_info hpt371 __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt372n __devinitdata = {
-+static const struct hpt_info hpt372n __devinitconst = {
- .chip_name = "HPT372N",
- .chip_type = HPT372N,
- .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -515,7 +515,7 @@ static const struct hpt_info hpt372n __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt302n __devinitdata = {
-+static const struct hpt_info hpt302n __devinitconst = {
- .chip_name = "HPT302N",
- .chip_type = HPT302N,
- .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -523,7 +523,7 @@ static const struct hpt_info hpt302n __devinitdata = {
- .timings = &hpt37x_timings
- };
-
--static const struct hpt_info hpt371n __devinitdata = {
-+static const struct hpt_info hpt371n __devinitconst = {
- .chip_name = "HPT371N",
- .chip_type = HPT371N,
- .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
-@@ -1361,7 +1361,7 @@ static const struct ide_dma_ops hpt36x_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info hpt366_chipsets[] __devinitdata = {
-+static const struct ide_port_info hpt366_chipsets[] __devinitconst = {
- { /* 0: HPT36x */
- .name = DRV_NAME,
- .init_chipset = init_chipset_hpt366,
-diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
-index 8126824..55a2798 100644
---- a/drivers/ide/ide-cd.c
-+++ b/drivers/ide/ide-cd.c
-@@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
- alignment = queue_dma_alignment(q) | q->dma_pad_mask;
- if ((unsigned long)buf & alignment
- || blk_rq_bytes(rq) & q->dma_pad_mask
-- || object_is_on_stack(buf))
-+ || object_starts_on_stack(buf))
- drive->dma = 0;
- }
- }
-diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
-index 7f56b73..dab5b67 100644
---- a/drivers/ide/ide-pci-generic.c
-+++ b/drivers/ide/ide-pci-generic.c
-@@ -53,7 +53,7 @@ static const struct ide_port_ops netcell_port_ops = {
- .udma_mask = ATA_UDMA6, \
- }
-
--static const struct ide_port_info generic_chipsets[] __devinitdata = {
-+static const struct ide_port_info generic_chipsets[] __devinitconst = {
- /* 0: Unknown */
- DECLARE_GENERIC_PCI_DEV(0),
-
-diff --git a/drivers/ide/it8172.c b/drivers/ide/it8172.c
-index 560e66d..d5dd180 100644
---- a/drivers/ide/it8172.c
-+++ b/drivers/ide/it8172.c
-@@ -115,7 +115,7 @@ static const struct ide_port_ops it8172_port_ops = {
- .set_dma_mode = it8172_set_dma_mode,
- };
-
--static const struct ide_port_info it8172_port_info __devinitdata = {
-+static const struct ide_port_info it8172_port_info __devinitconst = {
- .name = DRV_NAME,
- .port_ops = &it8172_port_ops,
- .enablebits = { {0x41, 0x80, 0x80}, {0x00, 0x00, 0x00} },
-diff --git a/drivers/ide/it8213.c b/drivers/ide/it8213.c
-index 46816ba..1847aeb 100644
---- a/drivers/ide/it8213.c
-+++ b/drivers/ide/it8213.c
-@@ -156,7 +156,7 @@ static const struct ide_port_ops it8213_port_ops = {
- .cable_detect = it8213_cable_detect,
- };
-
--static const struct ide_port_info it8213_chipset __devinitdata = {
-+static const struct ide_port_info it8213_chipset __devinitconst = {
- .name = DRV_NAME,
- .enablebits = { {0x41, 0x80, 0x80} },
- .port_ops = &it8213_port_ops,
-diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
-index 2e3169f..c5611db 100644
---- a/drivers/ide/it821x.c
-+++ b/drivers/ide/it821x.c
-@@ -630,7 +630,7 @@ static const struct ide_port_ops it821x_port_ops = {
- .cable_detect = it821x_cable_detect,
- };
-
--static const struct ide_port_info it821x_chipset __devinitdata = {
-+static const struct ide_port_info it821x_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_it821x,
- .init_hwif = init_hwif_it821x,
-diff --git a/drivers/ide/jmicron.c b/drivers/ide/jmicron.c
-index 74c2c4a..efddd7d 100644
---- a/drivers/ide/jmicron.c
-+++ b/drivers/ide/jmicron.c
-@@ -102,7 +102,7 @@ static const struct ide_port_ops jmicron_port_ops = {
- .cable_detect = jmicron_cable_detect,
- };
-
--static const struct ide_port_info jmicron_chipset __devinitdata = {
-+static const struct ide_port_info jmicron_chipset __devinitconst = {
- .name = DRV_NAME,
- .enablebits = { { 0x40, 0x01, 0x01 }, { 0x40, 0x10, 0x10 } },
- .port_ops = &jmicron_port_ops,
-diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
-index 95327a2..73f78d8 100644
---- a/drivers/ide/ns87415.c
-+++ b/drivers/ide/ns87415.c
-@@ -293,7 +293,7 @@ static const struct ide_dma_ops ns87415_dma_ops = {
- .dma_sff_read_status = superio_dma_sff_read_status,
- };
-
--static const struct ide_port_info ns87415_chipset __devinitdata = {
-+static const struct ide_port_info ns87415_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_hwif = init_hwif_ns87415,
- .tp_ops = &ns87415_tp_ops,
-diff --git a/drivers/ide/opti621.c b/drivers/ide/opti621.c
-index 1a53a4c..39edc66 100644
---- a/drivers/ide/opti621.c
-+++ b/drivers/ide/opti621.c
-@@ -131,7 +131,7 @@ static const struct ide_port_ops opti621_port_ops = {
- .set_pio_mode = opti621_set_pio_mode,
- };
-
--static const struct ide_port_info opti621_chipset __devinitdata = {
-+static const struct ide_port_info opti621_chipset __devinitconst = {
- .name = DRV_NAME,
- .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },
- .port_ops = &opti621_port_ops,
-diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
-index 9546fe2..2e5ceb6 100644
---- a/drivers/ide/pdc202xx_new.c
-+++ b/drivers/ide/pdc202xx_new.c
-@@ -465,7 +465,7 @@ static const struct ide_port_ops pdcnew_port_ops = {
- .udma_mask = udma, \
- }
-
--static const struct ide_port_info pdcnew_chipsets[] __devinitdata = {
-+static const struct ide_port_info pdcnew_chipsets[] __devinitconst = {
- /* 0: PDC202{68,70} */ DECLARE_PDCNEW_DEV(ATA_UDMA5),
- /* 1: PDC202{69,71,75,76,77} */ DECLARE_PDCNEW_DEV(ATA_UDMA6),
- };
-diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
-index 3a35ec6..5634510 100644
---- a/drivers/ide/pdc202xx_old.c
-+++ b/drivers/ide/pdc202xx_old.c
-@@ -270,7 +270,7 @@ static const struct ide_dma_ops pdc2026x_dma_ops = {
- .max_sectors = sectors, \
- }
-
--static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = {
-+static const struct ide_port_info pdc202xx_chipsets[] __devinitconst = {
- { /* 0: PDC20246 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_pdc202xx,
-diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
-index 1892e81..fe0fd60 100644
---- a/drivers/ide/piix.c
-+++ b/drivers/ide/piix.c
-@@ -344,7 +344,7 @@ static const struct ide_port_ops ich_port_ops = {
- .udma_mask = udma, \
- }
-
--static const struct ide_port_info piix_pci_info[] __devinitdata = {
-+static const struct ide_port_info piix_pci_info[] __devinitconst = {
- /* 0: MPIIX */
- { /*
- * MPIIX actually has only a single IDE channel mapped to
-diff --git a/drivers/ide/rz1000.c b/drivers/ide/rz1000.c
-index a6414a8..c04173e 100644
---- a/drivers/ide/rz1000.c
-+++ b/drivers/ide/rz1000.c
-@@ -38,7 +38,7 @@ static int __devinit rz1000_disable_readahead(struct pci_dev *dev)
- }
- }
-
--static const struct ide_port_info rz1000_chipset __devinitdata = {
-+static const struct ide_port_info rz1000_chipset __devinitconst = {
- .name = DRV_NAME,
- .host_flags = IDE_HFLAG_NO_DMA,
- };
-diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c
-index 356b9b5..d4758eb 100644
---- a/drivers/ide/sc1200.c
-+++ b/drivers/ide/sc1200.c
-@@ -291,7 +291,7 @@ static const struct ide_dma_ops sc1200_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info sc1200_chipset __devinitdata = {
-+static const struct ide_port_info sc1200_chipset __devinitconst = {
- .name = DRV_NAME,
- .port_ops = &sc1200_port_ops,
- .dma_ops = &sc1200_dma_ops,
-diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
-index b7f5b0c..9701038 100644
---- a/drivers/ide/scc_pata.c
-+++ b/drivers/ide/scc_pata.c
-@@ -811,7 +811,7 @@ static const struct ide_dma_ops scc_dma_ops = {
- .dma_sff_read_status = scc_dma_sff_read_status,
- };
-
--static const struct ide_port_info scc_chipset __devinitdata = {
-+static const struct ide_port_info scc_chipset __devinitconst = {
- .name = "sccIDE",
- .init_iops = init_iops_scc,
- .init_dma = scc_init_dma,
-diff --git a/drivers/ide/serverworks.c b/drivers/ide/serverworks.c
-index 35fb8da..24d72ef 100644
---- a/drivers/ide/serverworks.c
-+++ b/drivers/ide/serverworks.c
-@@ -337,7 +337,7 @@ static const struct ide_port_ops svwks_port_ops = {
- .cable_detect = svwks_cable_detect,
- };
-
--static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
-+static const struct ide_port_info serverworks_chipsets[] __devinitconst = {
- { /* 0: OSB4 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_svwks,
-diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
-index ddeda44..46f7e30 100644
---- a/drivers/ide/siimage.c
-+++ b/drivers/ide/siimage.c
-@@ -719,7 +719,7 @@ static const struct ide_dma_ops sil_dma_ops = {
- .udma_mask = ATA_UDMA6, \
- }
-
--static const struct ide_port_info siimage_chipsets[] __devinitdata = {
-+static const struct ide_port_info siimage_chipsets[] __devinitconst = {
- /* 0: SiI680 */ DECLARE_SII_DEV(&sil_pata_port_ops),
- /* 1: SiI3112 */ DECLARE_SII_DEV(&sil_sata_port_ops)
- };
-diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c
-index 4a00225..09e61b4 100644
---- a/drivers/ide/sis5513.c
-+++ b/drivers/ide/sis5513.c
-@@ -563,7 +563,7 @@ static const struct ide_port_ops sis_ata133_port_ops = {
- .cable_detect = sis_cable_detect,
- };
-
--static const struct ide_port_info sis5513_chipset __devinitdata = {
-+static const struct ide_port_info sis5513_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_sis5513,
- .enablebits = { {0x4a, 0x02, 0x02}, {0x4a, 0x04, 0x04} },
-diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
-index f21dc2a..d051cd2 100644
---- a/drivers/ide/sl82c105.c
-+++ b/drivers/ide/sl82c105.c
-@@ -299,7 +299,7 @@ static const struct ide_dma_ops sl82c105_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info sl82c105_chipset __devinitdata = {
-+static const struct ide_port_info sl82c105_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_sl82c105,
- .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}},
-diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c
-index 864ffe0..863a5e9 100644
---- a/drivers/ide/slc90e66.c
-+++ b/drivers/ide/slc90e66.c
-@@ -132,7 +132,7 @@ static const struct ide_port_ops slc90e66_port_ops = {
- .cable_detect = slc90e66_cable_detect,
- };
-
--static const struct ide_port_info slc90e66_chipset __devinitdata = {
-+static const struct ide_port_info slc90e66_chipset __devinitconst = {
- .name = DRV_NAME,
- .enablebits = { {0x41, 0x80, 0x80}, {0x43, 0x80, 0x80} },
- .port_ops = &slc90e66_port_ops,
-diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
-index 4799d5c..1794678 100644
---- a/drivers/ide/tc86c001.c
-+++ b/drivers/ide/tc86c001.c
-@@ -192,7 +192,7 @@ static const struct ide_dma_ops tc86c001_dma_ops = {
- .dma_sff_read_status = ide_dma_sff_read_status,
- };
-
--static const struct ide_port_info tc86c001_chipset __devinitdata = {
-+static const struct ide_port_info tc86c001_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_hwif = init_hwif_tc86c001,
- .port_ops = &tc86c001_port_ops,
-diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
-index 281c914..55ce1b8 100644
---- a/drivers/ide/triflex.c
-+++ b/drivers/ide/triflex.c
-@@ -92,7 +92,7 @@ static const struct ide_port_ops triflex_port_ops = {
- .set_dma_mode = triflex_set_mode,
- };
-
--static const struct ide_port_info triflex_device __devinitdata = {
-+static const struct ide_port_info triflex_device __devinitconst = {
- .name = DRV_NAME,
- .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}},
- .port_ops = &triflex_port_ops,
-diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c
-index 4b42ca0..e494a98 100644
---- a/drivers/ide/trm290.c
-+++ b/drivers/ide/trm290.c
-@@ -324,7 +324,7 @@ static struct ide_dma_ops trm290_dma_ops = {
- .dma_check = trm290_dma_check,
- };
-
--static const struct ide_port_info trm290_chipset __devinitdata = {
-+static const struct ide_port_info trm290_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_hwif = init_hwif_trm290,
- .tp_ops = &trm290_tp_ops,
-diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
-index f46f49c..eb77678 100644
---- a/drivers/ide/via82cxxx.c
-+++ b/drivers/ide/via82cxxx.c
-@@ -403,7 +403,7 @@ static const struct ide_port_ops via_port_ops = {
- .cable_detect = via82cxxx_cable_detect,
- };
-
--static const struct ide_port_info via82cxxx_chipset __devinitdata = {
-+static const struct ide_port_info via82cxxx_chipset __devinitconst = {
- .name = DRV_NAME,
- .init_chipset = init_chipset_via82cxxx,
- .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
-diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
-index 73d4531..c90cd2d 100644
---- a/drivers/ieee802154/fakehard.c
-+++ b/drivers/ieee802154/fakehard.c
-@@ -386,7 +386,7 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
- phy->transmit_power = 0xbf;
-
- dev->netdev_ops = &fake_ops;
-- dev->ml_priv = &fake_mlme;
-+ dev->ml_priv = (void *)&fake_mlme;
-
- priv = netdev_priv(dev);
- priv->phy = phy;
-diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
-index c889aae..6cf5aa7 100644
---- a/drivers/infiniband/core/cm.c
-+++ b/drivers/infiniband/core/cm.c
-@@ -114,7 +114,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS]
-
- struct cm_counter_group {
- struct kobject obj;
-- atomic_long_t counter[CM_ATTR_COUNT];
-+ atomic_long_unchecked_t counter[CM_ATTR_COUNT];
- };
-
- struct cm_counter_attribute {
-@@ -1394,7 +1394,7 @@ static void cm_dup_req_handler(struct cm_work *work,
- struct ib_mad_send_buf *msg = NULL;
- int ret;
-
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_REQ_COUNTER]);
-
- /* Quick state check to discard duplicate REQs. */
-@@ -1778,7 +1778,7 @@ static void cm_dup_rep_handler(struct cm_work *work)
- if (!cm_id_priv)
- return;
-
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_REP_COUNTER]);
- ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg);
- if (ret)
-@@ -1945,7 +1945,7 @@ static int cm_rtu_handler(struct cm_work *work)
- if (cm_id_priv->id.state != IB_CM_REP_SENT &&
- cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) {
- spin_unlock_irq(&cm_id_priv->lock);
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_RTU_COUNTER]);
- goto out;
- }
-@@ -2128,7 +2128,7 @@ static int cm_dreq_handler(struct cm_work *work)
- cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id,
- dreq_msg->local_comm_id);
- if (!cm_id_priv) {
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_DREQ_COUNTER]);
- cm_issue_drep(work->port, work->mad_recv_wc);
- return -EINVAL;
-@@ -2153,7 +2153,7 @@ static int cm_dreq_handler(struct cm_work *work)
- case IB_CM_MRA_REP_RCVD:
- break;
- case IB_CM_TIMEWAIT:
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_DREQ_COUNTER]);
- if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
- goto unlock;
-@@ -2167,7 +2167,7 @@ static int cm_dreq_handler(struct cm_work *work)
- cm_free_msg(msg);
- goto deref;
- case IB_CM_DREQ_RCVD:
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_DREQ_COUNTER]);
- goto unlock;
- default:
-@@ -2534,7 +2534,7 @@ static int cm_mra_handler(struct cm_work *work)
- ib_modify_mad(cm_id_priv->av.port->mad_agent,
- cm_id_priv->msg, timeout)) {
- if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD)
-- atomic_long_inc(&work->port->
-+ atomic_long_inc_unchecked(&work->port->
- counter_group[CM_RECV_DUPLICATES].
- counter[CM_MRA_COUNTER]);
- goto out;
-@@ -2543,7 +2543,7 @@ static int cm_mra_handler(struct cm_work *work)
- break;
- case IB_CM_MRA_REQ_RCVD:
- case IB_CM_MRA_REP_RCVD:
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_MRA_COUNTER]);
- /* fall through */
- default:
-@@ -2705,7 +2705,7 @@ static int cm_lap_handler(struct cm_work *work)
- case IB_CM_LAP_IDLE:
- break;
- case IB_CM_MRA_LAP_SENT:
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_LAP_COUNTER]);
- if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
- goto unlock;
-@@ -2721,7 +2721,7 @@ static int cm_lap_handler(struct cm_work *work)
- cm_free_msg(msg);
- goto deref;
- case IB_CM_LAP_RCVD:
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_LAP_COUNTER]);
- goto unlock;
- default:
-@@ -3005,7 +3005,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
- cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv);
- if (cur_cm_id_priv) {
- spin_unlock_irq(&cm.lock);
-- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
-+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
- counter[CM_SIDR_REQ_COUNTER]);
- goto out; /* Duplicate message. */
- }
-@@ -3217,10 +3217,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent,
- if (!msg->context[0] && (attr_index != CM_REJ_COUNTER))
- msg->retries = 1;
-
-- atomic_long_add(1 + msg->retries,
-+ atomic_long_add_unchecked(1 + msg->retries,
- &port->counter_group[CM_XMIT].counter[attr_index]);
- if (msg->retries)
-- atomic_long_add(msg->retries,
-+ atomic_long_add_unchecked(msg->retries,
- &port->counter_group[CM_XMIT_RETRIES].
- counter[attr_index]);
-
-@@ -3430,7 +3430,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
- }
-
- attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id);
-- atomic_long_inc(&port->counter_group[CM_RECV].
-+ atomic_long_inc_unchecked(&port->counter_group[CM_RECV].
- counter[attr_id - CM_ATTR_ID_OFFSET]);
-
- work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths,
-@@ -3635,7 +3635,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
- cm_attr = container_of(attr, struct cm_counter_attribute, attr);
-
- return sprintf(buf, "%ld\n",
-- atomic_long_read(&group->counter[cm_attr->index]));
-+ atomic_long_read_unchecked(&group->counter[cm_attr->index]));
- }
-
- static const struct sysfs_ops cm_counter_ops = {
-diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
-index 176c8f9..2627b62 100644
---- a/drivers/infiniband/core/fmr_pool.c
-+++ b/drivers/infiniband/core/fmr_pool.c
-@@ -98,8 +98,8 @@ struct ib_fmr_pool {
-
- struct task_struct *thread;
-
-- atomic_t req_ser;
-- atomic_t flush_ser;
-+ atomic_unchecked_t req_ser;
-+ atomic_unchecked_t flush_ser;
-
- wait_queue_head_t force_wait;
- };
-@@ -180,10 +180,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
- struct ib_fmr_pool *pool = pool_ptr;
-
- do {
-- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) {
-+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) {
- ib_fmr_batch_release(pool);
-
-- atomic_inc(&pool->flush_ser);
-+ atomic_inc_unchecked(&pool->flush_ser);
- wake_up_interruptible(&pool->force_wait);
-
- if (pool->flush_function)
-@@ -191,7 +191,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
- }
-
- set_current_state(TASK_INTERRUPTIBLE);
-- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 &&
-+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 &&
- !kthread_should_stop())
- schedule();
- __set_current_state(TASK_RUNNING);
-@@ -283,8 +283,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
- pool->dirty_watermark = params->dirty_watermark;
- pool->dirty_len = 0;
- spin_lock_init(&pool->pool_lock);
-- atomic_set(&pool->req_ser, 0);
-- atomic_set(&pool->flush_ser, 0);
-+ atomic_set_unchecked(&pool->req_ser, 0);
-+ atomic_set_unchecked(&pool->flush_ser, 0);
- init_waitqueue_head(&pool->force_wait);
-
- pool->thread = kthread_run(ib_fmr_cleanup_thread,
-@@ -412,11 +412,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
- }
- spin_unlock_irq(&pool->pool_lock);
-
-- serial = atomic_inc_return(&pool->req_ser);
-+ serial = atomic_inc_return_unchecked(&pool->req_ser);
- wake_up_process(pool->thread);
-
- if (wait_event_interruptible(pool->force_wait,
-- atomic_read(&pool->flush_ser) - serial >= 0))
-+ atomic_read_unchecked(&pool->flush_ser) - serial >= 0))
- return -EINTR;
-
- return 0;
-@@ -526,7 +526,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr)
- } else {
- list_add_tail(&fmr->list, &pool->dirty_list);
- if (++pool->dirty_len >= pool->dirty_watermark) {
-- atomic_inc(&pool->req_ser);
-+ atomic_inc_unchecked(&pool->req_ser);
- wake_up_process(pool->thread);
- }
- }
-diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
-index 57e07c6..56d09d4 100644
---- a/drivers/infiniband/hw/cxgb4/mem.c
-+++ b/drivers/infiniband/hw/cxgb4/mem.c
-@@ -122,7 +122,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
- int err;
- struct fw_ri_tpte tpt;
- u32 stag_idx;
-- static atomic_t key;
-+ static atomic_unchecked_t key;
-
- if (c4iw_fatal_error(rdev))
- return -EIO;
-@@ -139,7 +139,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
- if (rdev->stats.stag.cur > rdev->stats.stag.max)
- rdev->stats.stag.max = rdev->stats.stag.cur;
- mutex_unlock(&rdev->stats.lock);
-- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff);
-+ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff);
- }
- PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n",
- __func__, stag_state, type, pdid, stag_idx);
-diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
-index 79b3dbc..96e5fcc 100644
---- a/drivers/infiniband/hw/ipath/ipath_rc.c
-+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
-@@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
- struct ib_atomic_eth *ateth;
- struct ipath_ack_entry *e;
- u64 vaddr;
-- atomic64_t *maddr;
-+ atomic64_unchecked_t *maddr;
- u64 sdata;
- u32 rkey;
- u8 next;
-@@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
- IB_ACCESS_REMOTE_ATOMIC)))
- goto nack_acc_unlck;
- /* Perform atomic OP and save result. */
-- maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
-+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
- sdata = be64_to_cpu(ateth->swap_data);
- e = &qp->s_ack_queue[qp->r_head_ack_queue];
- e->atomic_data = (opcode == OP(FETCH_ADD)) ?
-- (u64) atomic64_add_return(sdata, maddr) - sdata :
-+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
- (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
- be64_to_cpu(ateth->compare_data),
- sdata);
-diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
-index 1f95bba..9530f87 100644
---- a/drivers/infiniband/hw/ipath/ipath_ruc.c
-+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
-@@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
- unsigned long flags;
- struct ib_wc wc;
- u64 sdata;
-- atomic64_t *maddr;
-+ atomic64_unchecked_t *maddr;
- enum ib_wc_status send_status;
-
- /*
-@@ -382,11 +382,11 @@ again:
- IB_ACCESS_REMOTE_ATOMIC)))
- goto acc_err;
- /* Perform atomic OP and save result. */
-- maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
-+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
- sdata = wqe->wr.wr.atomic.compare_add;
- *(u64 *) sqp->s_sge.sge.vaddr =
- (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ?
-- (u64) atomic64_add_return(sdata, maddr) - sdata :
-+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
- (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
- sdata, wqe->wr.wr.atomic.swap);
- goto send_comp;
-diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
-index 7140199..da60063 100644
---- a/drivers/infiniband/hw/nes/nes.c
-+++ b/drivers/infiniband/hw/nes/nes.c
-@@ -103,7 +103,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
- LIST_HEAD(nes_adapter_list);
- static LIST_HEAD(nes_dev_list);
-
--atomic_t qps_destroyed;
-+atomic_unchecked_t qps_destroyed;
-
- static unsigned int ee_flsh_adapter;
- static unsigned int sysfs_nonidx_addr;
-@@ -272,7 +272,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
- struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
- struct nes_adapter *nesadapter = nesdev->nesadapter;
-
-- atomic_inc(&qps_destroyed);
-+ atomic_inc_unchecked(&qps_destroyed);
-
- /* Free the control structures */
-
-diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
-index c438e46..ca30356 100644
---- a/drivers/infiniband/hw/nes/nes.h
-+++ b/drivers/infiniband/hw/nes/nes.h
-@@ -178,17 +178,17 @@ extern unsigned int nes_debug_level;
- extern unsigned int wqm_quanta;
- extern struct list_head nes_adapter_list;
-
--extern atomic_t cm_connects;
--extern atomic_t cm_accepts;
--extern atomic_t cm_disconnects;
--extern atomic_t cm_closes;
--extern atomic_t cm_connecteds;
--extern atomic_t cm_connect_reqs;
--extern atomic_t cm_rejects;
--extern atomic_t mod_qp_timouts;
--extern atomic_t qps_created;
--extern atomic_t qps_destroyed;
--extern atomic_t sw_qps_destroyed;
-+extern atomic_unchecked_t cm_connects;
-+extern atomic_unchecked_t cm_accepts;
-+extern atomic_unchecked_t cm_disconnects;
-+extern atomic_unchecked_t cm_closes;
-+extern atomic_unchecked_t cm_connecteds;
-+extern atomic_unchecked_t cm_connect_reqs;
-+extern atomic_unchecked_t cm_rejects;
-+extern atomic_unchecked_t mod_qp_timouts;
-+extern atomic_unchecked_t qps_created;
-+extern atomic_unchecked_t qps_destroyed;
-+extern atomic_unchecked_t sw_qps_destroyed;
- extern u32 mh_detected;
- extern u32 mh_pauses_sent;
- extern u32 cm_packets_sent;
-@@ -197,16 +197,16 @@ extern u32 cm_packets_created;
- extern u32 cm_packets_received;
- extern u32 cm_packets_dropped;
- extern u32 cm_packets_retrans;
--extern atomic_t cm_listens_created;
--extern atomic_t cm_listens_destroyed;
-+extern atomic_unchecked_t cm_listens_created;
-+extern atomic_unchecked_t cm_listens_destroyed;
- extern u32 cm_backlog_drops;
--extern atomic_t cm_loopbacks;
--extern atomic_t cm_nodes_created;
--extern atomic_t cm_nodes_destroyed;
--extern atomic_t cm_accel_dropped_pkts;
--extern atomic_t cm_resets_recvd;
--extern atomic_t pau_qps_created;
--extern atomic_t pau_qps_destroyed;
-+extern atomic_unchecked_t cm_loopbacks;
-+extern atomic_unchecked_t cm_nodes_created;
-+extern atomic_unchecked_t cm_nodes_destroyed;
-+extern atomic_unchecked_t cm_accel_dropped_pkts;
-+extern atomic_unchecked_t cm_resets_recvd;
-+extern atomic_unchecked_t pau_qps_created;
-+extern atomic_unchecked_t pau_qps_destroyed;
-
- extern u32 int_mod_timer_init;
- extern u32 int_mod_cq_depth_256;
-diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
-index 020e95c..fbb3450 100644
---- a/drivers/infiniband/hw/nes/nes_cm.c
-+++ b/drivers/infiniband/hw/nes/nes_cm.c
-@@ -68,14 +68,14 @@ u32 cm_packets_dropped;
- u32 cm_packets_retrans;
- u32 cm_packets_created;
- u32 cm_packets_received;
--atomic_t cm_listens_created;
--atomic_t cm_listens_destroyed;
-+atomic_unchecked_t cm_listens_created;
-+atomic_unchecked_t cm_listens_destroyed;
- u32 cm_backlog_drops;
--atomic_t cm_loopbacks;
--atomic_t cm_nodes_created;
--atomic_t cm_nodes_destroyed;
--atomic_t cm_accel_dropped_pkts;
--atomic_t cm_resets_recvd;
-+atomic_unchecked_t cm_loopbacks;
-+atomic_unchecked_t cm_nodes_created;
-+atomic_unchecked_t cm_nodes_destroyed;
-+atomic_unchecked_t cm_accel_dropped_pkts;
-+atomic_unchecked_t cm_resets_recvd;
-
- static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *);
- static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *);
-@@ -148,13 +148,13 @@ static struct nes_cm_ops nes_cm_api = {
-
- static struct nes_cm_core *g_cm_core;
-
--atomic_t cm_connects;
--atomic_t cm_accepts;
--atomic_t cm_disconnects;
--atomic_t cm_closes;
--atomic_t cm_connecteds;
--atomic_t cm_connect_reqs;
--atomic_t cm_rejects;
-+atomic_unchecked_t cm_connects;
-+atomic_unchecked_t cm_accepts;
-+atomic_unchecked_t cm_disconnects;
-+atomic_unchecked_t cm_closes;
-+atomic_unchecked_t cm_connecteds;
-+atomic_unchecked_t cm_connect_reqs;
-+atomic_unchecked_t cm_rejects;
-
- int nes_add_ref_cm_node(struct nes_cm_node *cm_node)
- {
-@@ -1279,7 +1279,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
- kfree(listener);
- listener = NULL;
- ret = 0;
-- atomic_inc(&cm_listens_destroyed);
-+ atomic_inc_unchecked(&cm_listens_destroyed);
- } else {
- spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
- }
-@@ -1482,7 +1482,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core,
- cm_node->rem_mac);
-
- add_hte_node(cm_core, cm_node);
-- atomic_inc(&cm_nodes_created);
-+ atomic_inc_unchecked(&cm_nodes_created);
-
- return cm_node;
- }
-@@ -1540,7 +1540,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core,
- }
-
- atomic_dec(&cm_core->node_cnt);
-- atomic_inc(&cm_nodes_destroyed);
-+ atomic_inc_unchecked(&cm_nodes_destroyed);
- nesqp = cm_node->nesqp;
- if (nesqp) {
- nesqp->cm_node = NULL;
-@@ -1604,7 +1604,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc,
-
- static void drop_packet(struct sk_buff *skb)
- {
-- atomic_inc(&cm_accel_dropped_pkts);
-+ atomic_inc_unchecked(&cm_accel_dropped_pkts);
- dev_kfree_skb_any(skb);
- }
-
-@@ -1667,7 +1667,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
- {
-
- int reset = 0; /* whether to send reset in case of err.. */
-- atomic_inc(&cm_resets_recvd);
-+ atomic_inc_unchecked(&cm_resets_recvd);
- nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u."
- " refcnt=%d\n", cm_node, cm_node->state,
- atomic_read(&cm_node->ref_count));
-@@ -2308,7 +2308,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
- rem_ref_cm_node(cm_node->cm_core, cm_node);
- return NULL;
- }
-- atomic_inc(&cm_loopbacks);
-+ atomic_inc_unchecked(&cm_loopbacks);
- loopbackremotenode->loopbackpartner = cm_node;
- loopbackremotenode->tcp_cntxt.rcv_wscale =
- NES_CM_DEFAULT_RCV_WND_SCALE;
-@@ -2583,7 +2583,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
- nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp);
- else {
- rem_ref_cm_node(cm_core, cm_node);
-- atomic_inc(&cm_accel_dropped_pkts);
-+ atomic_inc_unchecked(&cm_accel_dropped_pkts);
- dev_kfree_skb_any(skb);
- }
- break;
-@@ -2891,7 +2891,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
-
- if ((cm_id) && (cm_id->event_handler)) {
- if (issue_disconn) {
-- atomic_inc(&cm_disconnects);
-+ atomic_inc_unchecked(&cm_disconnects);
- cm_event.event = IW_CM_EVENT_DISCONNECT;
- cm_event.status = disconn_status;
- cm_event.local_addr = cm_id->local_addr;
-@@ -2913,7 +2913,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
- }
-
- if (issue_close) {
-- atomic_inc(&cm_closes);
-+ atomic_inc_unchecked(&cm_closes);
- nes_disconnect(nesqp, 1);
-
- cm_id->provider_data = nesqp;
-@@ -3049,7 +3049,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
-
- nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n",
- nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener);
-- atomic_inc(&cm_accepts);
-+ atomic_inc_unchecked(&cm_accepts);
-
- nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n",
- netdev_refcnt_read(nesvnic->netdev));
-@@ -3251,7 +3251,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
- struct nes_cm_core *cm_core;
- u8 *start_buff;
-
-- atomic_inc(&cm_rejects);
-+ atomic_inc_unchecked(&cm_rejects);
- cm_node = (struct nes_cm_node *)cm_id->provider_data;
- loopback = cm_node->loopbackpartner;
- cm_core = cm_node->cm_core;
-@@ -3311,7 +3311,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
- ntohl(cm_id->local_addr.sin_addr.s_addr),
- ntohs(cm_id->local_addr.sin_port));
-
-- atomic_inc(&cm_connects);
-+ atomic_inc_unchecked(&cm_connects);
- nesqp->active_conn = 1;
-
- /* cache the cm_id in the qp */
-@@ -3421,7 +3421,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
- g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node);
- return err;
- }
-- atomic_inc(&cm_listens_created);
-+ atomic_inc_unchecked(&cm_listens_created);
- }
-
- cm_id->add_ref(cm_id);
-@@ -3522,7 +3522,7 @@ static void cm_event_connected(struct nes_cm_event *event)
-
- if (nesqp->destroyed)
- return;
-- atomic_inc(&cm_connecteds);
-+ atomic_inc_unchecked(&cm_connecteds);
- nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on"
- " local port 0x%04X. jiffies = %lu.\n",
- nesqp->hwqp.qp_id,
-@@ -3709,7 +3709,7 @@ static void cm_event_reset(struct nes_cm_event *event)
-
- cm_id->add_ref(cm_id);
- ret = cm_id->event_handler(cm_id, &cm_event);
-- atomic_inc(&cm_closes);
-+ atomic_inc_unchecked(&cm_closes);
- cm_event.event = IW_CM_EVENT_CLOSE;
- cm_event.status = 0;
- cm_event.provider_data = cm_id->provider_data;
-@@ -3745,7 +3745,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event)
- return;
- cm_id = cm_node->cm_id;
-
-- atomic_inc(&cm_connect_reqs);
-+ atomic_inc_unchecked(&cm_connect_reqs);
- nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
- cm_node, cm_id, jiffies);
-
-@@ -3785,7 +3785,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event)
- return;
- cm_id = cm_node->cm_id;
-
-- atomic_inc(&cm_connect_reqs);
-+ atomic_inc_unchecked(&cm_connect_reqs);
- nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
- cm_node, cm_id, jiffies);
-
-diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c
-index 3ba7be3..c81f6ff 100644
---- a/drivers/infiniband/hw/nes/nes_mgt.c
-+++ b/drivers/infiniband/hw/nes/nes_mgt.c
-@@ -40,8 +40,8 @@
- #include "nes.h"
- #include "nes_mgt.h"
-
--atomic_t pau_qps_created;
--atomic_t pau_qps_destroyed;
-+atomic_unchecked_t pau_qps_created;
-+atomic_unchecked_t pau_qps_destroyed;
-
- static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic)
- {
-@@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp)
- {
- struct sk_buff *skb;
- unsigned long flags;
-- atomic_inc(&pau_qps_destroyed);
-+ atomic_inc_unchecked(&pau_qps_destroyed);
-
- /* Free packets that have not yet been forwarded */
- /* Lock is acquired by skb_dequeue when removing the skb */
-@@ -812,7 +812,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *
- cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]);
- skb_queue_head_init(&nesqp->pau_list);
- spin_lock_init(&nesqp->pau_lock);
-- atomic_inc(&pau_qps_created);
-+ atomic_inc_unchecked(&pau_qps_created);
- nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp);
- }
-
-diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
-index f3a3ecf..57d311d 100644
---- a/drivers/infiniband/hw/nes/nes_nic.c
-+++ b/drivers/infiniband/hw/nes/nes_nic.c
-@@ -1277,39 +1277,39 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
- target_stat_values[++index] = mh_detected;
- target_stat_values[++index] = mh_pauses_sent;
- target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
-- target_stat_values[++index] = atomic_read(&cm_connects);
-- target_stat_values[++index] = atomic_read(&cm_accepts);
-- target_stat_values[++index] = atomic_read(&cm_disconnects);
-- target_stat_values[++index] = atomic_read(&cm_connecteds);
-- target_stat_values[++index] = atomic_read(&cm_connect_reqs);
-- target_stat_values[++index] = atomic_read(&cm_rejects);
-- target_stat_values[++index] = atomic_read(&mod_qp_timouts);
-- target_stat_values[++index] = atomic_read(&qps_created);
-- target_stat_values[++index] = atomic_read(&sw_qps_destroyed);
-- target_stat_values[++index] = atomic_read(&qps_destroyed);
-- target_stat_values[++index] = atomic_read(&cm_closes);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_connects);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects);
-+ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts);
-+ target_stat_values[++index] = atomic_read_unchecked(&qps_created);
-+ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed);
-+ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_closes);
- target_stat_values[++index] = cm_packets_sent;
- target_stat_values[++index] = cm_packets_bounced;
- target_stat_values[++index] = cm_packets_created;
- target_stat_values[++index] = cm_packets_received;
- target_stat_values[++index] = cm_packets_dropped;
- target_stat_values[++index] = cm_packets_retrans;
-- target_stat_values[++index] = atomic_read(&cm_listens_created);
-- target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed);
- target_stat_values[++index] = cm_backlog_drops;
-- target_stat_values[++index] = atomic_read(&cm_loopbacks);
-- target_stat_values[++index] = atomic_read(&cm_nodes_created);
-- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
-- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
-- target_stat_values[++index] = atomic_read(&cm_resets_recvd);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts);
-+ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd);
- target_stat_values[++index] = nesadapter->free_4kpbl;
- target_stat_values[++index] = nesadapter->free_256pbl;
- target_stat_values[++index] = int_mod_timer_init;
- target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
- target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
- target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
-- target_stat_values[++index] = atomic_read(&pau_qps_created);
-- target_stat_values[++index] = atomic_read(&pau_qps_destroyed);
-+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created);
-+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed);
- }
-
- /**
-diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
-index 8b8812d..a5e1133 100644
---- a/drivers/infiniband/hw/nes/nes_verbs.c
-+++ b/drivers/infiniband/hw/nes/nes_verbs.c
-@@ -46,9 +46,9 @@
-
- #include <rdma/ib_umem.h>
-
--atomic_t mod_qp_timouts;
--atomic_t qps_created;
--atomic_t sw_qps_destroyed;
-+atomic_unchecked_t mod_qp_timouts;
-+atomic_unchecked_t qps_created;
-+atomic_unchecked_t sw_qps_destroyed;
-
- static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
-
-@@ -1131,7 +1131,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
- if (init_attr->create_flags)
- return ERR_PTR(-EINVAL);
-
-- atomic_inc(&qps_created);
-+ atomic_inc_unchecked(&qps_created);
- switch (init_attr->qp_type) {
- case IB_QPT_RC:
- if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) {
-@@ -1460,7 +1460,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp)
- struct iw_cm_event cm_event;
- int ret = 0;
-
-- atomic_inc(&sw_qps_destroyed);
-+ atomic_inc_unchecked(&sw_qps_destroyed);
- nesqp->destroyed = 1;
-
- /* Blow away the connection if it exists. */
-diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
-index 7e62f41..4c2b8e2 100644
---- a/drivers/infiniband/hw/qib/qib.h
-+++ b/drivers/infiniband/hw/qib/qib.h
-@@ -51,6 +51,7 @@
- #include <linux/completion.h>
- #include <linux/kref.h>
- #include <linux/sched.h>
-+#include <linux/slab.h>
-
- #include "qib_common.h"
- #include "qib_verbs.h"
-diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
-index da739d9..da1c7f4 100644
---- a/drivers/input/gameport/gameport.c
-+++ b/drivers/input/gameport/gameport.c
-@@ -487,14 +487,14 @@ EXPORT_SYMBOL(gameport_set_phys);
- */
- static void gameport_init_port(struct gameport *gameport)
- {
-- static atomic_t gameport_no = ATOMIC_INIT(0);
-+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(0);
-
- __module_get(THIS_MODULE);
-
- mutex_init(&gameport->drv_mutex);
- device_initialize(&gameport->dev);
- dev_set_name(&gameport->dev, "gameport%lu",
-- (unsigned long)atomic_inc_return(&gameport_no) - 1);
-+ (unsigned long)atomic_inc_return_unchecked(&gameport_no) - 1);
- gameport->dev.bus = &gameport_bus;
- gameport->dev.release = gameport_release_port;
- if (gameport->parent)
-diff --git a/drivers/input/input.c b/drivers/input/input.c
-index 8921c61..f5cd63d 100644
---- a/drivers/input/input.c
-+++ b/drivers/input/input.c
-@@ -1814,7 +1814,7 @@ static void input_cleanse_bitmasks(struct input_dev *dev)
- */
- int input_register_device(struct input_dev *dev)
- {
-- static atomic_t input_no = ATOMIC_INIT(0);
-+ static atomic_unchecked_t input_no = ATOMIC_INIT(0);
- struct input_handler *handler;
- const char *path;
- int error;
-@@ -1851,7 +1851,7 @@ int input_register_device(struct input_dev *dev)
- dev->setkeycode = input_default_setkeycode;
-
- dev_set_name(&dev->dev, "input%ld",
-- (unsigned long) atomic_inc_return(&input_no) - 1);
-+ (unsigned long) atomic_inc_return_unchecked(&input_no) - 1);
-
- error = device_add(&dev->dev);
- if (error)
-diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
-index 04c69af..5f92d00 100644
---- a/drivers/input/joystick/sidewinder.c
-+++ b/drivers/input/joystick/sidewinder.c
-@@ -30,6 +30,7 @@
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/slab.h>
-+#include <linux/sched.h>
- #include <linux/init.h>
- #include <linux/input.h>
- #include <linux/gameport.h>
-diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
-index 83811e4..0822b90 100644
---- a/drivers/input/joystick/xpad.c
-+++ b/drivers/input/joystick/xpad.c
-@@ -726,7 +726,7 @@ static void xpad_led_set(struct led_classdev *led_cdev,
-
- static int xpad_led_probe(struct usb_xpad *xpad)
- {
-- static atomic_t led_seq = ATOMIC_INIT(0);
-+ static atomic_unchecked_t led_seq = ATOMIC_INIT(0);
- long led_no;
- struct xpad_led *led;
- struct led_classdev *led_cdev;
-@@ -739,7 +739,7 @@ static int xpad_led_probe(struct usb_xpad *xpad)
- if (!led)
- return -ENOMEM;
-
-- led_no = (long)atomic_inc_return(&led_seq) - 1;
-+ led_no = (long)atomic_inc_return_unchecked(&led_seq) - 1;
-
- snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
- led->xpad = xpad;
-diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
-index 0110b5a..d3ad144 100644
---- a/drivers/input/mousedev.c
-+++ b/drivers/input/mousedev.c
-@@ -763,7 +763,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer,
-
- spin_unlock_irq(&client->packet_lock);
-
-- if (copy_to_user(buffer, data, count))
-+ if (count > sizeof(data) || copy_to_user(buffer, data, count))
- return -EFAULT;
-
- return count;
-diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
-index d0f7533..fb8215b 100644
---- a/drivers/input/serio/serio.c
-+++ b/drivers/input/serio/serio.c
-@@ -496,7 +496,7 @@ static void serio_release_port(struct device *dev)
- */
- static void serio_init_port(struct serio *serio)
- {
-- static atomic_t serio_no = ATOMIC_INIT(0);
-+ static atomic_unchecked_t serio_no = ATOMIC_INIT(0);
-
- __module_get(THIS_MODULE);
-
-@@ -507,7 +507,7 @@ static void serio_init_port(struct serio *serio)
- mutex_init(&serio->drv_mutex);
- device_initialize(&serio->dev);
- dev_set_name(&serio->dev, "serio%ld",
-- (long)atomic_inc_return(&serio_no) - 1);
-+ (long)atomic_inc_return_unchecked(&serio_no) - 1);
- serio->dev.bus = &serio_bus;
- serio->dev.release = serio_release_port;
- serio->dev.groups = serio_device_attr_groups;
-diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
-index 38c4bd8..58965d9 100644
---- a/drivers/isdn/capi/capi.c
-+++ b/drivers/isdn/capi/capi.c
-@@ -83,8 +83,8 @@ struct capiminor {
-
- struct capi20_appl *ap;
- u32 ncci;
-- atomic_t datahandle;
-- atomic_t msgid;
-+ atomic_unchecked_t datahandle;
-+ atomic_unchecked_t msgid;
-
- struct tty_port port;
- int ttyinstop;
-@@ -392,7 +392,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
- capimsg_setu16(s, 2, mp->ap->applid);
- capimsg_setu8 (s, 4, CAPI_DATA_B3);
- capimsg_setu8 (s, 5, CAPI_RESP);
-- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid));
-+ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid));
- capimsg_setu32(s, 8, mp->ncci);
- capimsg_setu16(s, 12, datahandle);
- }
-@@ -513,14 +513,14 @@ static void handle_minor_send(struct capiminor *mp)
- mp->outbytes -= len;
- spin_unlock_bh(&mp->outlock);
-
-- datahandle = atomic_inc_return(&mp->datahandle);
-+ datahandle = atomic_inc_return_unchecked(&mp->datahandle);
- skb_push(skb, CAPI_DATA_B3_REQ_LEN);
- memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
- capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
- capimsg_setu16(skb->data, 2, mp->ap->applid);
- capimsg_setu8 (skb->data, 4, CAPI_DATA_B3);
- capimsg_setu8 (skb->data, 5, CAPI_REQ);
-- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid));
-+ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid));
- capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */
- capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */
- capimsg_setu16(skb->data, 16, len); /* Data length */
-diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
-index a6d9fd2..afdb8a3 100644
---- a/drivers/isdn/gigaset/interface.c
-+++ b/drivers/isdn/gigaset/interface.c
-@@ -160,9 +160,9 @@ static int if_open(struct tty_struct *tty, struct file *filp)
- }
- tty->driver_data = cs;
-
-- ++cs->port.count;
-+ atomic_inc(&cs->port.count);
-
-- if (cs->port.count == 1) {
-+ if (atomic_read(&cs->port.count) == 1) {
- tty_port_tty_set(&cs->port, tty);
- tty->low_latency = 1;
- }
-@@ -186,9 +186,9 @@ static void if_close(struct tty_struct *tty, struct file *filp)
-
- if (!cs->connected)
- gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */
-- else if (!cs->port.count)
-+ else if (!atomic_read(&cs->port.count))
- dev_warn(cs->dev, "%s: device not opened\n", __func__);
-- else if (!--cs->port.count)
-+ else if (!atomic_dec_return(&cs->port.count))
- tty_port_tty_set(&cs->port, NULL);
-
- mutex_unlock(&cs->mutex);
-diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
-index 821f7ac..28d4030 100644
---- a/drivers/isdn/hardware/avm/b1.c
-+++ b/drivers/isdn/hardware/avm/b1.c
-@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file)
- }
- if (left) {
- if (t4file->user) {
-- if (copy_from_user(buf, dp, left))
-+ if (left > sizeof buf || copy_from_user(buf, dp, left))
- return -EFAULT;
- } else {
- memcpy(buf, dp, left);
-@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config)
- }
- if (left) {
- if (config->user) {
-- if (copy_from_user(buf, dp, left))
-+ if (left > sizeof buf || copy_from_user(buf, dp, left))
- return -EFAULT;
- } else {
- memcpy(buf, dp, left);
-diff --git a/drivers/isdn/hardware/eicon/divasync.h b/drivers/isdn/hardware/eicon/divasync.h
-index dd6b53a..19d9ee6 100644
---- a/drivers/isdn/hardware/eicon/divasync.h
-+++ b/drivers/isdn/hardware/eicon/divasync.h
-@@ -146,7 +146,7 @@ typedef struct _diva_didd_add_adapter {
- } diva_didd_add_adapter_t;
- typedef struct _diva_didd_remove_adapter {
- IDI_CALL p_request;
--} diva_didd_remove_adapter_t;
-+} __no_const diva_didd_remove_adapter_t;
- typedef struct _diva_didd_read_adapter_array {
- void *buffer;
- dword length;
-diff --git a/drivers/isdn/hardware/eicon/xdi_adapter.h b/drivers/isdn/hardware/eicon/xdi_adapter.h
-index d303e65..28bcb7b 100644
---- a/drivers/isdn/hardware/eicon/xdi_adapter.h
-+++ b/drivers/isdn/hardware/eicon/xdi_adapter.h
-@@ -44,7 +44,7 @@ typedef struct _xdi_mbox_t {
- typedef struct _diva_os_idi_adapter_interface {
- diva_init_card_proc_t cleanup_adapter_proc;
- diva_cmd_card_proc_t cmd_proc;
--} diva_os_idi_adapter_interface_t;
-+} __no_const diva_os_idi_adapter_interface_t;
-
- typedef struct _diva_os_xdi_adapter {
- struct list_head link;
-diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
-index 7bc5067..fd36232 100644
---- a/drivers/isdn/i4l/isdn_tty.c
-+++ b/drivers/isdn/i4l/isdn_tty.c
-@@ -1505,9 +1505,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
- port = &info->port;
- #ifdef ISDN_DEBUG_MODEM_OPEN
- printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name,
-- port->count);
-+ atomic_read(&port->count))
- #endif
-- port->count++;
-+ atomic_inc(&port->count);
- tty->driver_data = info;
- port->tty = tty;
- tty->port = port;
-@@ -1553,7 +1553,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
- #endif
- return;
- }
-- if ((tty->count == 1) && (port->count != 1)) {
-+ if ((tty->count == 1) && (atomic_read(&port->count) != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
-@@ -1562,15 +1562,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
- * serial port won't be shutdown.
- */
- printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, "
-- "info->count is %d\n", port->count);
-- port->count = 1;
-+ "info->count is %d\n", atomic_read(&port->count));
-+ atomic_set(&port->count, 1);
- }
-- if (--port->count < 0) {
-+ if (atomic_dec_return(&port->count) < 0) {
- printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n",
-- info->line, port->count);
-- port->count = 0;
-+ info->line, atomic_read(&port->count));
-+ atomic_set(&port->count, 0);
- }
-- if (port->count) {
-+ if (atomic_read(&port->count)) {
- #ifdef ISDN_DEBUG_MODEM_OPEN
- printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n");
- #endif
-@@ -1624,7 +1624,7 @@ isdn_tty_hangup(struct tty_struct *tty)
- if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup"))
- return;
- isdn_tty_shutdown(info);
-- port->count = 0;
-+ atomic_set(&port->count, 0);
- port->flags &= ~ASYNC_NORMAL_ACTIVE;
- port->tty = NULL;
- wake_up_interruptible(&port->open_wait);
-@@ -1964,7 +1964,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
- for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
- modem_info *info = &dev->mdm.info[i];
-
-- if (info->port.count == 0)
-+ if (atomic_read(&info->port.count) == 0)
- continue;
- if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */
- (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */
-diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
-index e74df7c..03a03ba 100644
---- a/drivers/isdn/icn/icn.c
-+++ b/drivers/isdn/icn/icn.c
-@@ -1045,7 +1045,7 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card)
- if (count > len)
- count = len;
- if (user) {
-- if (copy_from_user(msg, buf, count))
-+ if (count > sizeof msg || copy_from_user(msg, buf, count))
- return -EFAULT;
- } else
- memcpy(msg, buf, count);
-diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
-index b5fdcb7..5b6c59f 100644
---- a/drivers/lguest/core.c
-+++ b/drivers/lguest/core.c
-@@ -92,9 +92,17 @@ static __init int map_switcher(void)
- * it's worked so far. The end address needs +1 because __get_vm_area
- * allocates an extra guard page, so we need space for that.
- */
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
-+ VM_ALLOC | VM_KERNEXEC, SWITCHER_ADDR, SWITCHER_ADDR
-+ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
-+#else
- switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
- VM_ALLOC, SWITCHER_ADDR, SWITCHER_ADDR
- + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
-+#endif
-+
- if (!switcher_vma) {
- err = -ENOMEM;
- printk("lguest: could not map switcher pages high\n");
-@@ -119,7 +127,7 @@ static __init int map_switcher(void)
- * Now the Switcher is mapped at the right address, we can't fail!
- * Copy in the compiled-in Switcher code (from x86/switcher_32.S).
- */
-- memcpy(switcher_vma->addr, start_switcher_text,
-+ memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text),
- end_switcher_text - start_switcher_text);
-
- printk(KERN_INFO "lguest: mapped switcher at %p\n",
-diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
-index 39809035..ce25c5e 100644
---- a/drivers/lguest/x86/core.c
-+++ b/drivers/lguest/x86/core.c
-@@ -59,7 +59,7 @@ static struct {
- /* Offset from where switcher.S was compiled to where we've copied it */
- static unsigned long switcher_offset(void)
- {
-- return SWITCHER_ADDR - (unsigned long)start_switcher_text;
-+ return SWITCHER_ADDR - (unsigned long)ktla_ktva(start_switcher_text);
- }
-
- /* This cpu's struct lguest_pages. */
-@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages)
- * These copies are pretty cheap, so we do them unconditionally: */
- /* Save the current Host top-level page directory.
- */
-+
-+#ifdef CONFIG_PAX_PER_CPU_PGD
-+ pages->state.host_cr3 = read_cr3();
-+#else
- pages->state.host_cr3 = __pa(current->mm->pgd);
-+#endif
-+
- /*
- * Set up the Guest's page tables to see this CPU's pages (and no
- * other CPU's pages).
-@@ -472,7 +478,7 @@ void __init lguest_arch_host_init(void)
- * compiled-in switcher code and the high-mapped copy we just made.
- */
- for (i = 0; i < IDT_ENTRIES; i++)
-- default_idt_entries[i] += switcher_offset();
-+ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset();
-
- /*
- * Set up the Switcher's per-cpu areas.
-@@ -555,7 +561,7 @@ void __init lguest_arch_host_init(void)
- * it will be undisturbed when we switch. To change %cs and jump we
- * need this structure to feed to Intel's "lcall" instruction.
- */
-- lguest_entry.offset = (long)switch_to_guest + switcher_offset();
-+ lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset();
- lguest_entry.segment = LGUEST_CS;
-
- /*
-diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S
-index 40634b0..4f5855e 100644
---- a/drivers/lguest/x86/switcher_32.S
-+++ b/drivers/lguest/x86/switcher_32.S
-@@ -87,6 +87,7 @@
- #include <asm/page.h>
- #include <asm/segment.h>
- #include <asm/lguest.h>
-+#include <asm/processor-flags.h>
-
- // We mark the start of the code to copy
- // It's placed in .text tho it's never run here
-@@ -149,6 +150,13 @@ ENTRY(switch_to_guest)
- // Changes type when we load it: damn Intel!
- // For after we switch over our page tables
- // That entry will be read-only: we'd crash.
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ mov %cr0, %edx
-+ xor $X86_CR0_WP, %edx
-+ mov %edx, %cr0
-+#endif
-+
- movl $(GDT_ENTRY_TSS*8), %edx
- ltr %dx
-
-@@ -157,9 +165,15 @@ ENTRY(switch_to_guest)
- // Let's clear it again for our return.
- // The GDT descriptor of the Host
- // Points to the table after two "size" bytes
-- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx
-+ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax
- // Clear "used" from type field (byte 5, bit 2)
-- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx)
-+ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax)
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ mov %cr0, %eax
-+ xor $X86_CR0_WP, %eax
-+ mov %eax, %cr0
-+#endif
-
- // Once our page table's switched, the Guest is live!
- // The Host fades as we run this final step.
-@@ -295,13 +309,12 @@ deliver_to_host:
- // I consulted gcc, and it gave
- // These instructions, which I gladly credit:
- leal (%edx,%ebx,8), %eax
-- movzwl (%eax),%edx
-- movl 4(%eax), %eax
-- xorw %ax, %ax
-- orl %eax, %edx
-+ movl 4(%eax), %edx
-+ movw (%eax), %dx
- // Now the address of the handler's in %edx
- // We call it now: its "iret" drops us home.
-- jmp *%edx
-+ ljmp $__KERNEL_CS, $1f
-+1: jmp *%edx
-
- // Every interrupt can come to us here
- // But we must truly tell each apart.
-diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
-index 20e5c2c..9e849a9 100644
---- a/drivers/macintosh/macio_asic.c
-+++ b/drivers/macintosh/macio_asic.c
-@@ -748,7 +748,7 @@ static void __devexit macio_pci_remove(struct pci_dev* pdev)
- * MacIO is matched against any Apple ID, it's probe() function
- * will then decide wether it applies or not
- */
--static const struct pci_device_id __devinitdata pci_ids [] = { {
-+static const struct pci_device_id __devinitconst pci_ids [] = { {
- .vendor = PCI_VENDOR_ID_APPLE,
- .device = PCI_ANY_ID,
- .subvendor = PCI_ANY_ID,
-diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
-index 15dbe03..743fc65 100644
---- a/drivers/md/bitmap.c
-+++ b/drivers/md/bitmap.c
-@@ -1786,7 +1786,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
- chunk_kb ? "KB" : "B");
- if (bitmap->storage.file) {
- seq_printf(seq, ", file: ");
-- seq_path(seq, &bitmap->storage.file->f_path, " \t\n");
-+ seq_path(seq, &bitmap->storage.file->f_path, " \t\n\\");
- }
-
- seq_printf(seq, "\n");
-diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
-index a1a3e6d..1918bfc 100644
---- a/drivers/md/dm-ioctl.c
-+++ b/drivers/md/dm-ioctl.c
-@@ -1590,7 +1590,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
- cmd == DM_LIST_VERSIONS_CMD)
- return 0;
-
-- if ((cmd == DM_DEV_CREATE_CMD)) {
-+ if (cmd == DM_DEV_CREATE_CMD) {
- if (!*param->name) {
- DMWARN("name not supplied when creating device");
- return -EINVAL;
-diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
-index b58b7a3..8018b19 100644
---- a/drivers/md/dm-raid1.c
-+++ b/drivers/md/dm-raid1.c
-@@ -40,7 +40,7 @@ enum dm_raid1_error {
-
- struct mirror {
- struct mirror_set *ms;
-- atomic_t error_count;
-+ atomic_unchecked_t error_count;
- unsigned long error_type;
- struct dm_dev *dev;
- sector_t offset;
-@@ -185,7 +185,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms)
- struct mirror *m;
-
- for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++)
-- if (!atomic_read(&m->error_count))
-+ if (!atomic_read_unchecked(&m->error_count))
- return m;
-
- return NULL;
-@@ -217,7 +217,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type)
- * simple way to tell if a device has encountered
- * errors.
- */
-- atomic_inc(&m->error_count);
-+ atomic_inc_unchecked(&m->error_count);
-
- if (test_and_set_bit(error_type, &m->error_type))
- return;
-@@ -408,7 +408,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector)
- struct mirror *m = get_default_mirror(ms);
-
- do {
-- if (likely(!atomic_read(&m->error_count)))
-+ if (likely(!atomic_read_unchecked(&m->error_count)))
- return m;
-
- if (m-- == ms->mirror)
-@@ -422,7 +422,7 @@ static int default_ok(struct mirror *m)
- {
- struct mirror *default_mirror = get_default_mirror(m->ms);
-
-- return !atomic_read(&default_mirror->error_count);
-+ return !atomic_read_unchecked(&default_mirror->error_count);
- }
-
- static int mirror_available(struct mirror_set *ms, struct bio *bio)
-@@ -559,7 +559,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
- */
- if (likely(region_in_sync(ms, region, 1)))
- m = choose_mirror(ms, bio->bi_sector);
-- else if (m && atomic_read(&m->error_count))
-+ else if (m && atomic_read_unchecked(&m->error_count))
- m = NULL;
-
- if (likely(m))
-@@ -938,7 +938,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
- }
-
- ms->mirror[mirror].ms = ms;
-- atomic_set(&(ms->mirror[mirror].error_count), 0);
-+ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0);
- ms->mirror[mirror].error_type = 0;
- ms->mirror[mirror].offset = offset;
-
-@@ -1352,7 +1352,7 @@ static void mirror_resume(struct dm_target *ti)
- */
- static char device_status_char(struct mirror *m)
- {
-- if (!atomic_read(&(m->error_count)))
-+ if (!atomic_read_unchecked(&(m->error_count)))
- return 'A';
-
- return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' :
-diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
-index 35c94ff..20d4c17 100644
---- a/drivers/md/dm-stripe.c
-+++ b/drivers/md/dm-stripe.c
-@@ -20,7 +20,7 @@ struct stripe {
- struct dm_dev *dev;
- sector_t physical_start;
-
-- atomic_t error_count;
-+ atomic_unchecked_t error_count;
- };
-
- struct stripe_c {
-@@ -193,7 +193,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
- kfree(sc);
- return r;
- }
-- atomic_set(&(sc->stripe[i].error_count), 0);
-+ atomic_set_unchecked(&(sc->stripe[i].error_count), 0);
- }
-
- ti->private = sc;
-@@ -315,7 +315,7 @@ static int stripe_status(struct dm_target *ti,
- DMEMIT("%d ", sc->stripes);
- for (i = 0; i < sc->stripes; i++) {
- DMEMIT("%s ", sc->stripe[i].dev->name);
-- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ?
-+ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ?
- 'D' : 'A';
- }
- buffer[i] = '\0';
-@@ -362,8 +362,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio,
- */
- for (i = 0; i < sc->stripes; i++)
- if (!strcmp(sc->stripe[i].dev->name, major_minor)) {
-- atomic_inc(&(sc->stripe[i].error_count));
-- if (atomic_read(&(sc->stripe[i].error_count)) <
-+ atomic_inc_unchecked(&(sc->stripe[i].error_count));
-+ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) <
- DM_IO_ERROR_THRESHOLD)
- schedule_work(&sc->trigger_event);
- }
-diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
-index 2e227fb..44ead1f 100644
---- a/drivers/md/dm-table.c
-+++ b/drivers/md/dm-table.c
-@@ -390,7 +390,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
- if (!dev_size)
- return 0;
-
-- if ((start >= dev_size) || (start + len > dev_size)) {
-+ if ((start >= dev_size) || (len > dev_size - start)) {
- DMWARN("%s: %s too small for target: "
- "start=%llu, len=%llu, dev_size=%llu",
- dm_device_name(ti->table->md), bdevname(bdev, b),
-diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
-index 3e2907f..c28851a 100644
---- a/drivers/md/dm-thin-metadata.c
-+++ b/drivers/md/dm-thin-metadata.c
-@@ -432,7 +432,7 @@ static int init_pmd(struct dm_pool_metadata *pmd,
-
- pmd->info.tm = tm;
- pmd->info.levels = 2;
-- pmd->info.value_type.context = pmd->data_sm;
-+ pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
- pmd->info.value_type.size = sizeof(__le64);
- pmd->info.value_type.inc = data_block_inc;
- pmd->info.value_type.dec = data_block_dec;
-@@ -451,7 +451,7 @@ static int init_pmd(struct dm_pool_metadata *pmd,
-
- pmd->bl_info.tm = tm;
- pmd->bl_info.levels = 1;
-- pmd->bl_info.value_type.context = pmd->data_sm;
-+ pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
- pmd->bl_info.value_type.size = sizeof(__le64);
- pmd->bl_info.value_type.inc = data_block_inc;
- pmd->bl_info.value_type.dec = data_block_dec;
-diff --git a/drivers/md/dm.c b/drivers/md/dm.c
-index e24143c..ce2f21a1 100644
---- a/drivers/md/dm.c
-+++ b/drivers/md/dm.c
-@@ -176,9 +176,9 @@ struct mapped_device {
- /*
- * Event handling.
- */
-- atomic_t event_nr;
-+ atomic_unchecked_t event_nr;
- wait_queue_head_t eventq;
-- atomic_t uevent_seq;
-+ atomic_unchecked_t uevent_seq;
- struct list_head uevent_list;
- spinlock_t uevent_lock; /* Protect access to uevent_list */
-
-@@ -1845,8 +1845,8 @@ static struct mapped_device *alloc_dev(int minor)
- rwlock_init(&md->map_lock);
- atomic_set(&md->holders, 1);
- atomic_set(&md->open_count, 0);
-- atomic_set(&md->event_nr, 0);
-- atomic_set(&md->uevent_seq, 0);
-+ atomic_set_unchecked(&md->event_nr, 0);
-+ atomic_set_unchecked(&md->uevent_seq, 0);
- INIT_LIST_HEAD(&md->uevent_list);
- spin_lock_init(&md->uevent_lock);
-
-@@ -1980,7 +1980,7 @@ static void event_callback(void *context)
-
- dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj);
-
-- atomic_inc(&md->event_nr);
-+ atomic_inc_unchecked(&md->event_nr);
- wake_up(&md->eventq);
- }
-
-@@ -2622,18 +2622,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
-
- uint32_t dm_next_uevent_seq(struct mapped_device *md)
- {
-- return atomic_add_return(1, &md->uevent_seq);
-+ return atomic_add_return_unchecked(1, &md->uevent_seq);
- }
-
- uint32_t dm_get_event_nr(struct mapped_device *md)
- {
-- return atomic_read(&md->event_nr);
-+ return atomic_read_unchecked(&md->event_nr);
- }
-
- int dm_wait_event(struct mapped_device *md, int event_nr)
- {
- return wait_event_interruptible(md->eventq,
-- (event_nr != atomic_read(&md->event_nr)));
-+ (event_nr != atomic_read_unchecked(&md->event_nr)));
- }
-
- void dm_uevent_add(struct mapped_device *md, struct list_head *elist)
-diff --git a/drivers/md/md.c b/drivers/md/md.c
-index d5ab449..7e9ed7b 100644
---- a/drivers/md/md.c
-+++ b/drivers/md/md.c
-@@ -277,10 +277,10 @@ EXPORT_SYMBOL_GPL(md_trim_bio);
- * start build, activate spare
- */
- static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
--static atomic_t md_event_count;
-+static atomic_unchecked_t md_event_count;
- void md_new_event(struct mddev *mddev)
- {
-- atomic_inc(&md_event_count);
-+ atomic_inc_unchecked(&md_event_count);
- wake_up(&md_event_waiters);
- }
- EXPORT_SYMBOL_GPL(md_new_event);
-@@ -290,7 +290,7 @@ EXPORT_SYMBOL_GPL(md_new_event);
- */
- static void md_new_event_inintr(struct mddev *mddev)
- {
-- atomic_inc(&md_event_count);
-+ atomic_inc_unchecked(&md_event_count);
- wake_up(&md_event_waiters);
- }
-
-@@ -1565,7 +1565,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
- if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) &&
- (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET))
- rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset);
-- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
-+ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
-
- rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256;
- bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
-@@ -1809,7 +1809,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
- else
- sb->resync_offset = cpu_to_le64(0);
-
-- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors));
-+ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors));
-
- sb->raid_disks = cpu_to_le32(mddev->raid_disks);
- sb->size = cpu_to_le64(mddev->dev_sectors);
-@@ -2803,7 +2803,7 @@ __ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
- static ssize_t
- errors_show(struct md_rdev *rdev, char *page)
- {
-- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
-+ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors));
- }
-
- static ssize_t
-@@ -2812,7 +2812,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len)
- char *e;
- unsigned long n = simple_strtoul(buf, &e, 10);
- if (*buf && (*e == 0 || *e == '\n')) {
-- atomic_set(&rdev->corrected_errors, n);
-+ atomic_set_unchecked(&rdev->corrected_errors, n);
- return len;
- }
- return -EINVAL;
-@@ -3259,8 +3259,8 @@ int md_rdev_init(struct md_rdev *rdev)
- rdev->sb_loaded = 0;
- rdev->bb_page = NULL;
- atomic_set(&rdev->nr_pending, 0);
-- atomic_set(&rdev->read_errors, 0);
-- atomic_set(&rdev->corrected_errors, 0);
-+ atomic_set_unchecked(&rdev->read_errors, 0);
-+ atomic_set_unchecked(&rdev->corrected_errors, 0);
-
- INIT_LIST_HEAD(&rdev->same_set);
- init_waitqueue_head(&rdev->blocked_wait);
-@@ -6997,7 +6997,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
-
- spin_unlock(&pers_lock);
- seq_printf(seq, "\n");
-- seq->poll_event = atomic_read(&md_event_count);
-+ seq->poll_event = atomic_read_unchecked(&md_event_count);
- return 0;
- }
- if (v == (void*)2) {
-@@ -7100,7 +7100,7 @@ static int md_seq_open(struct inode *inode, struct file *file)
- return error;
-
- seq = file->private_data;
-- seq->poll_event = atomic_read(&md_event_count);
-+ seq->poll_event = atomic_read_unchecked(&md_event_count);
- return error;
- }
-
-@@ -7114,7 +7114,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
- /* always allow read */
- mask = POLLIN | POLLRDNORM;
-
-- if (seq->poll_event != atomic_read(&md_event_count))
-+ if (seq->poll_event != atomic_read_unchecked(&md_event_count))
- mask |= POLLERR | POLLPRI;
- return mask;
- }
-@@ -7158,7 +7158,7 @@ static int is_mddev_idle(struct mddev *mddev, int init)
- struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
- curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
- (int)part_stat_read(&disk->part0, sectors[1]) -
-- atomic_read(&disk->sync_io);
-+ atomic_read_unchecked(&disk->sync_io);
- /* sync IO will cause sync_io to increase before the disk_stats
- * as sync_io is counted when a request starts, and
- * disk_stats is counted when it completes.
-diff --git a/drivers/md/md.h b/drivers/md/md.h
-index 7b4a3c3..994ad4f 100644
---- a/drivers/md/md.h
-+++ b/drivers/md/md.h
-@@ -94,13 +94,13 @@ struct md_rdev {
- * only maintained for arrays that
- * support hot removal
- */
-- atomic_t read_errors; /* number of consecutive read errors that
-+ atomic_unchecked_t read_errors; /* number of consecutive read errors that
- * we have tried to ignore.
- */
- struct timespec last_read_error; /* monotonic time since our
- * last read error
- */
-- atomic_t corrected_errors; /* number of corrected read errors,
-+ atomic_unchecked_t corrected_errors; /* number of corrected read errors,
- * for reporting to userspace and storing
- * in superblock.
- */
-@@ -435,7 +435,7 @@ static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
-
- static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors)
- {
-- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
-+ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
- }
-
- struct md_personality
-diff --git a/drivers/md/persistent-data/dm-space-map-checker.c b/drivers/md/persistent-data/dm-space-map-checker.c
-index fc90c11..c8cd9a9 100644
---- a/drivers/md/persistent-data/dm-space-map-checker.c
-+++ b/drivers/md/persistent-data/dm-space-map-checker.c
-@@ -167,7 +167,7 @@ static int ca_commit(struct count_array *old, struct count_array *new)
- /*----------------------------------------------------------------*/
-
- struct sm_checker {
-- struct dm_space_map sm;
-+ dm_space_map_no_const sm;
-
- struct count_array old_counts;
- struct count_array counts;
-diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
-index 3d0ed53..35dc592 100644
---- a/drivers/md/persistent-data/dm-space-map-disk.c
-+++ b/drivers/md/persistent-data/dm-space-map-disk.c
-@@ -23,7 +23,7 @@
- * Space map interface.
- */
- struct sm_disk {
-- struct dm_space_map sm;
-+ dm_space_map_no_const sm;
-
- struct ll_disk ll;
- struct ll_disk old_ll;
-diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
-index e89ae5e..062e4c2 100644
---- a/drivers/md/persistent-data/dm-space-map-metadata.c
-+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
-@@ -43,7 +43,7 @@ struct block_op {
- };
-
- struct sm_metadata {
-- struct dm_space_map sm;
-+ dm_space_map_no_const sm;
-
- struct ll_disk ll;
- struct ll_disk old_ll;
-diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h
-index 1cbfc6b..56e1dbb 100644
---- a/drivers/md/persistent-data/dm-space-map.h
-+++ b/drivers/md/persistent-data/dm-space-map.h
-@@ -60,6 +60,7 @@ struct dm_space_map {
- int (*root_size)(struct dm_space_map *sm, size_t *result);
- int (*copy_root)(struct dm_space_map *sm, void *copy_to_here_le, size_t len);
- };
-+typedef struct dm_space_map __no_const dm_space_map_no_const;
-
- /*----------------------------------------------------------------*/
-
-diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
-index 53aec45..250851c 100644
---- a/drivers/md/raid1.c
-+++ b/drivers/md/raid1.c
-@@ -1685,7 +1685,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
- if (r1_sync_page_io(rdev, sect, s,
- bio->bi_io_vec[idx].bv_page,
- READ) != 0)
-- atomic_add(s, &rdev->corrected_errors);
-+ atomic_add_unchecked(s, &rdev->corrected_errors);
- }
- sectors -= s;
- sect += s;
-@@ -1907,7 +1907,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk,
- test_bit(In_sync, &rdev->flags)) {
- if (r1_sync_page_io(rdev, sect, s,
- conf->tmppage, READ)) {
-- atomic_add(s, &rdev->corrected_errors);
-+ atomic_add_unchecked(s, &rdev->corrected_errors);
- printk(KERN_INFO
- "md/raid1:%s: read error corrected "
- "(%d sectors at %llu on %s)\n",
-diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
-index 8da6282..8ec7103 100644
---- a/drivers/md/raid10.c
-+++ b/drivers/md/raid10.c
-@@ -1784,7 +1784,7 @@ static void end_sync_read(struct bio *bio, int error)
- /* The write handler will notice the lack of
- * R10BIO_Uptodate and record any errors etc
- */
-- atomic_add(r10_bio->sectors,
-+ atomic_add_unchecked(r10_bio->sectors,
- &conf->mirrors[d].rdev->corrected_errors);
-
- /* for reconstruct, we always reschedule after a read.
-@@ -2133,7 +2133,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
- {
- struct timespec cur_time_mon;
- unsigned long hours_since_last;
-- unsigned int read_errors = atomic_read(&rdev->read_errors);
-+ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors);
-
- ktime_get_ts(&cur_time_mon);
-
-@@ -2155,9 +2155,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
- * overflowing the shift of read_errors by hours_since_last.
- */
- if (hours_since_last >= 8 * sizeof(read_errors))
-- atomic_set(&rdev->read_errors, 0);
-+ atomic_set_unchecked(&rdev->read_errors, 0);
- else
-- atomic_set(&rdev->read_errors, read_errors >> hours_since_last);
-+ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last);
- }
-
- static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
-@@ -2211,8 +2211,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
- return;
-
- check_decay_read_errors(mddev, rdev);
-- atomic_inc(&rdev->read_errors);
-- if (atomic_read(&rdev->read_errors) > max_read_errors) {
-+ atomic_inc_unchecked(&rdev->read_errors);
-+ if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) {
- char b[BDEVNAME_SIZE];
- bdevname(rdev->bdev, b);
-
-@@ -2220,7 +2220,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
- "md/raid10:%s: %s: Raid device exceeded "
- "read_error threshold [cur %d:max %d]\n",
- mdname(mddev), b,
-- atomic_read(&rdev->read_errors), max_read_errors);
-+ atomic_read_unchecked(&rdev->read_errors), max_read_errors);
- printk(KERN_NOTICE
- "md/raid10:%s: %s: Failing raid device\n",
- mdname(mddev), b);
-@@ -2375,7 +2375,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
- sect +
- choose_data_offset(r10_bio, rdev)),
- bdevname(rdev->bdev, b));
-- atomic_add(s, &rdev->corrected_errors);
-+ atomic_add_unchecked(s, &rdev->corrected_errors);
- }
-
- rdev_dec_pending(rdev, mddev);
-diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
-index 04348d7..62a4b9b 100644
---- a/drivers/md/raid5.c
-+++ b/drivers/md/raid5.c
-@@ -1736,19 +1736,19 @@ static void raid5_end_read_request(struct bio * bi, int error)
- mdname(conf->mddev), STRIPE_SECTORS,
- (unsigned long long)s,
- bdevname(rdev->bdev, b));
-- atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
-+ atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors);
- clear_bit(R5_ReadError, &sh->dev[i].flags);
- clear_bit(R5_ReWrite, &sh->dev[i].flags);
- }
-- if (atomic_read(&rdev->read_errors))
-- atomic_set(&rdev->read_errors, 0);
-+ if (atomic_read_unchecked(&rdev->read_errors))
-+ atomic_set_unchecked(&rdev->read_errors, 0);
- } else {
- const char *bdn = bdevname(rdev->bdev, b);
- int retry = 0;
- int set_bad = 0;
-
- clear_bit(R5_UPTODATE, &sh->dev[i].flags);
-- atomic_inc(&rdev->read_errors);
-+ atomic_inc_unchecked(&rdev->read_errors);
- if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
- printk_ratelimited(
- KERN_WARNING
-@@ -1776,7 +1776,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
- mdname(conf->mddev),
- (unsigned long long)s,
- bdn);
-- } else if (atomic_read(&rdev->read_errors)
-+ } else if (atomic_read_unchecked(&rdev->read_errors)
- > conf->max_nr_stripes)
- printk(KERN_WARNING
- "md/raid:%s: Too many read errors, failing device %s.\n",
-diff --git a/drivers/media/dvb/ddbridge/ddbridge-core.c b/drivers/media/dvb/ddbridge/ddbridge-core.c
-index 131b938..8572ed1 100644
---- a/drivers/media/dvb/ddbridge/ddbridge-core.c
-+++ b/drivers/media/dvb/ddbridge/ddbridge-core.c
-@@ -1678,7 +1678,7 @@ static struct ddb_info ddb_v6 = {
- .subvendor = _subvend, .subdevice = _subdev, \
- .driver_data = (unsigned long)&_driverdata }
-
--static const struct pci_device_id ddb_id_tbl[] __devinitdata = {
-+static const struct pci_device_id ddb_id_tbl[] __devinitconst = {
- DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
- DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
- DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
-diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h
-index fa7188a..04a045e 100644
---- a/drivers/media/dvb/dvb-core/dvb_demux.h
-+++ b/drivers/media/dvb/dvb-core/dvb_demux.h
-@@ -73,7 +73,7 @@ struct dvb_demux_feed {
- union {
- dmx_ts_cb ts;
- dmx_section_cb sec;
-- } cb;
-+ } __no_const cb;
-
- struct dvb_demux *demux;
- void *priv;
-diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
-index 39eab73..60033e7 100644
---- a/drivers/media/dvb/dvb-core/dvbdev.c
-+++ b/drivers/media/dvb/dvb-core/dvbdev.c
-@@ -192,7 +192,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
- const struct dvb_device *template, void *priv, int type)
- {
- struct dvb_device *dvbdev;
-- struct file_operations *dvbdevfops;
-+ file_operations_no_const *dvbdevfops;
- struct device *clsdev;
- int minor;
- int id;
-diff --git a/drivers/media/dvb/dvb-usb/az6007.c b/drivers/media/dvb/dvb-usb/az6007.c
-index 4008b9c..ce714f5 100644
---- a/drivers/media/dvb/dvb-usb/az6007.c
-+++ b/drivers/media/dvb/dvb-usb/az6007.c
-@@ -590,7 +590,7 @@ static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
- int ret;
-
- ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
-- memcpy(mac, st->data, sizeof(mac));
-+ memcpy(mac, st->data, 6);
-
- if (ret > 0)
- deb_info("%s: mac is %02x:%02x:%02x:%02x:%02x:%02x\n",
-diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
-index 3940bb0..fb3952a 100644
---- a/drivers/media/dvb/dvb-usb/cxusb.c
-+++ b/drivers/media/dvb/dvb-usb/cxusb.c
-@@ -1068,7 +1068,7 @@ static struct dib0070_config dib7070p_dib0070_config = {
-
- struct dib0700_adapter_state {
- int (*set_param_save) (struct dvb_frontend *);
--};
-+} __no_const;
-
- static int dib7070_set_param_override(struct dvb_frontend *fe)
- {
-diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
-index 9382895..ac8093c 100644
---- a/drivers/media/dvb/dvb-usb/dw2102.c
-+++ b/drivers/media/dvb/dvb-usb/dw2102.c
-@@ -95,7 +95,7 @@ struct su3000_state {
-
- struct s6x0_state {
- int (*old_set_voltage)(struct dvb_frontend *f, fe_sec_voltage_t v);
--};
-+} __no_const;
-
- /* debug */
- static int dvb_usb_dw2102_debug;
-diff --git a/drivers/media/dvb/frontends/dib3000.h b/drivers/media/dvb/frontends/dib3000.h
-index 404f63a..4796533 100644
---- a/drivers/media/dvb/frontends/dib3000.h
-+++ b/drivers/media/dvb/frontends/dib3000.h
-@@ -39,7 +39,7 @@ struct dib_fe_xfer_ops
- int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
- int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
- int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
--};
-+} __no_const;
-
- #if defined(CONFIG_DVB_DIB3000MB) || (defined(CONFIG_DVB_DIB3000MB_MODULE) && defined(MODULE))
- extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
-diff --git a/drivers/media/dvb/ngene/ngene-cards.c b/drivers/media/dvb/ngene/ngene-cards.c
-index 7539a5d..06531a6 100644
---- a/drivers/media/dvb/ngene/ngene-cards.c
-+++ b/drivers/media/dvb/ngene/ngene-cards.c
-@@ -478,7 +478,7 @@ static struct ngene_info ngene_info_m780 = {
-
- /****************************************************************************/
-
--static const struct pci_device_id ngene_id_tbl[] __devinitdata = {
-+static const struct pci_device_id ngene_id_tbl[] __devinitconst = {
- NGENE_ID(0x18c3, 0xabc3, ngene_info_cineS2),
- NGENE_ID(0x18c3, 0xabc4, ngene_info_cineS2),
- NGENE_ID(0x18c3, 0xdb01, ngene_info_satixS2),
-diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
-index 16a089f..1661b11 100644
---- a/drivers/media/radio/radio-cadet.c
-+++ b/drivers/media/radio/radio-cadet.c
-@@ -326,6 +326,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
- unsigned char readbuf[RDS_BUFFER];
- int i = 0;
-
-+ if (count > RDS_BUFFER)
-+ return -EFAULT;
- mutex_lock(&dev->lock);
- if (dev->rdsstat == 0) {
- dev->rdsstat = 1;
-@@ -347,7 +349,7 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
- readbuf[i++] = dev->rdsbuf[dev->rdsout++];
- mutex_unlock(&dev->lock);
-
-- if (copy_to_user(data, readbuf, i))
-+ if (i > sizeof(readbuf) || copy_to_user(data, readbuf, i))
- return -EFAULT;
- return i;
- }
-diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h
-index 9cde353..8c6a1c3 100644
---- a/drivers/media/video/au0828/au0828.h
-+++ b/drivers/media/video/au0828/au0828.h
-@@ -191,7 +191,7 @@ struct au0828_dev {
-
- /* I2C */
- struct i2c_adapter i2c_adap;
-- struct i2c_algorithm i2c_algo;
-+ i2c_algorithm_no_const i2c_algo;
- struct i2c_client i2c_client;
- u32 i2c_rc;
-
-diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
-index 04bf662..e0ac026 100644
---- a/drivers/media/video/cx88/cx88-alsa.c
-+++ b/drivers/media/video/cx88/cx88-alsa.c
-@@ -766,7 +766,7 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
- * Only boards with eeprom and byte 1 at eeprom=1 have it
- */
-
--static const struct pci_device_id const cx88_audio_pci_tbl[] __devinitdata = {
-+static const struct pci_device_id const cx88_audio_pci_tbl[] __devinitconst = {
- {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
- {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
- {0, }
-diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
-index 88cf9d9..bbc4b2c 100644
---- a/drivers/media/video/omap/omap_vout.c
-+++ b/drivers/media/video/omap/omap_vout.c
-@@ -64,7 +64,6 @@ enum omap_vout_channels {
- OMAP_VIDEO2,
- };
-
--static struct videobuf_queue_ops video_vbq_ops;
- /* Variables configurable through module params*/
- static u32 video1_numbuffers = 3;
- static u32 video2_numbuffers = 3;
-@@ -1000,6 +999,12 @@ static int omap_vout_open(struct file *file)
- {
- struct videobuf_queue *q;
- struct omap_vout_device *vout = NULL;
-+ static struct videobuf_queue_ops video_vbq_ops = {
-+ .buf_setup = omap_vout_buffer_setup,
-+ .buf_prepare = omap_vout_buffer_prepare,
-+ .buf_release = omap_vout_buffer_release,
-+ .buf_queue = omap_vout_buffer_queue,
-+ };
-
- vout = video_drvdata(file);
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);
-@@ -1017,10 +1022,6 @@ static int omap_vout_open(struct file *file)
- vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-
- q = &vout->vbq;
-- video_vbq_ops.buf_setup = omap_vout_buffer_setup;
-- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare;
-- video_vbq_ops.buf_release = omap_vout_buffer_release;
-- video_vbq_ops.buf_queue = omap_vout_buffer_queue;
- spin_lock_init(&vout->vbq_lock);
-
- videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
-diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
-index 036952f..80d356d 100644
---- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
-+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
-@@ -196,7 +196,7 @@ struct pvr2_hdw {
-
- /* I2C stuff */
- struct i2c_adapter i2c_adap;
-- struct i2c_algorithm i2c_algo;
-+ i2c_algorithm_no_const i2c_algo;
- pvr2_i2c_func i2c_func[PVR2_I2C_FUNC_CNT];
- int i2c_cx25840_hack_state;
- int i2c_linked;
-diff --git a/drivers/media/video/timblogiw.c b/drivers/media/video/timblogiw.c
-index 02194c0..091733b 100644
---- a/drivers/media/video/timblogiw.c
-+++ b/drivers/media/video/timblogiw.c
-@@ -745,7 +745,7 @@ static int timblogiw_mmap(struct file *file, struct vm_area_struct *vma)
-
- /* Platform device functions */
-
--static __devinitconst struct v4l2_ioctl_ops timblogiw_ioctl_ops = {
-+static __devinitconst v4l2_ioctl_ops_no_const timblogiw_ioctl_ops = {
- .vidioc_querycap = timblogiw_querycap,
- .vidioc_enum_fmt_vid_cap = timblogiw_enum_fmt,
- .vidioc_g_fmt_vid_cap = timblogiw_g_fmt,
-@@ -767,7 +767,7 @@ static __devinitconst struct v4l2_ioctl_ops timblogiw_ioctl_ops = {
- .vidioc_enum_framesizes = timblogiw_enum_framesizes,
- };
-
--static __devinitconst struct v4l2_file_operations timblogiw_fops = {
-+static __devinitconst v4l2_file_operations_no_const timblogiw_fops = {
- .owner = THIS_MODULE,
- .open = timblogiw_open,
- .release = timblogiw_close,
-diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
-index d99db56..a16b959 100644
---- a/drivers/message/fusion/mptbase.c
-+++ b/drivers/message/fusion/mptbase.c
-@@ -6751,8 +6751,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
- seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
- seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL);
-+#else
- seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
- (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
-+#endif
-+
- /*
- * Rounding UP to nearest 4-kB boundary here...
- */
-diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
-index 551262e..7551198 100644
---- a/drivers/message/fusion/mptsas.c
-+++ b/drivers/message/fusion/mptsas.c
-@@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached)
- return 0;
- }
-
-+static inline void
-+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
-+{
-+ if (phy_info->port_details) {
-+ phy_info->port_details->rphy = rphy;
-+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
-+ ioc->name, rphy));
-+ }
-+
-+ if (rphy) {
-+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
-+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
-+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
-+ ioc->name, rphy, rphy->dev.release));
-+ }
-+}
-+
- /* no mutex */
- static void
- mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
-@@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
- return NULL;
- }
-
--static inline void
--mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
--{
-- if (phy_info->port_details) {
-- phy_info->port_details->rphy = rphy;
-- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
-- ioc->name, rphy));
-- }
--
-- if (rphy) {
-- dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
-- &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
-- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
-- ioc->name, rphy, rphy->dev.release));
-- }
--}
--
- static inline struct sas_port *
- mptsas_get_port(struct mptsas_phyinfo *phy_info)
- {
-diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
-index 0c3ced7..1fe34ec 100644
---- a/drivers/message/fusion/mptscsih.c
-+++ b/drivers/message/fusion/mptscsih.c
-@@ -1270,15 +1270,16 @@ mptscsih_info(struct Scsi_Host *SChost)
-
- h = shost_priv(SChost);
-
-- if (h) {
-- if (h->info_kbuf == NULL)
-- if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
-- return h->info_kbuf;
-- h->info_kbuf[0] = '\0';
-+ if (!h)
-+ return NULL;
-
-- mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
-- h->info_kbuf[size-1] = '\0';
-- }
-+ if (h->info_kbuf == NULL)
-+ if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
-+ return h->info_kbuf;
-+ h->info_kbuf[0] = '\0';
-+
-+ mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
-+ h->info_kbuf[size-1] = '\0';
-
- return h->info_kbuf;
- }
-diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c
-index 506c36f..b137580 100644
---- a/drivers/message/i2o/i2o_proc.c
-+++ b/drivers/message/i2o/i2o_proc.c
-@@ -255,13 +255,6 @@ static char *scsi_devices[] = {
- "Array Controller Device"
- };
-
--static char *chtostr(u8 * chars, int n)
--{
-- char tmp[256];
-- tmp[0] = 0;
-- return strncat(tmp, (char *)chars, n);
--}
--
- static int i2o_report_query_status(struct seq_file *seq, int block_status,
- char *group)
- {
-@@ -825,8 +818,7 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
-
- seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id);
- seq_printf(seq, "%-#8x", ddm_table.module_id);
-- seq_printf(seq, "%-29s",
-- chtostr(ddm_table.module_name_version, 28));
-+ seq_printf(seq, "%-.28s", ddm_table.module_name_version);
- seq_printf(seq, "%9d ", ddm_table.data_size);
- seq_printf(seq, "%8d", ddm_table.code_size);
-
-@@ -927,8 +919,8 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
-
- seq_printf(seq, "%-#7x", dst->i2o_vendor_id);
- seq_printf(seq, "%-#8x", dst->module_id);
-- seq_printf(seq, "%-29s", chtostr(dst->module_name_version, 28));
-- seq_printf(seq, "%-9s", chtostr(dst->date, 8));
-+ seq_printf(seq, "%-.28s", dst->module_name_version);
-+ seq_printf(seq, "%-.8s", dst->date);
- seq_printf(seq, "%8d ", dst->module_size);
- seq_printf(seq, "%8d ", dst->mpb_size);
- seq_printf(seq, "0x%04x", dst->module_flags);
-@@ -1259,14 +1251,10 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
- seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0]));
- seq_printf(seq, "Owner TID : %0#5x\n", work16[2]);
- seq_printf(seq, "Parent TID : %0#5x\n", work16[3]);
-- seq_printf(seq, "Vendor info : %s\n",
-- chtostr((u8 *) (work32 + 2), 16));
-- seq_printf(seq, "Product info : %s\n",
-- chtostr((u8 *) (work32 + 6), 16));
-- seq_printf(seq, "Description : %s\n",
-- chtostr((u8 *) (work32 + 10), 16));
-- seq_printf(seq, "Product rev. : %s\n",
-- chtostr((u8 *) (work32 + 14), 8));
-+ seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2));
-+ seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6));
-+ seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10));
-+ seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14));
-
- seq_printf(seq, "Serial number : ");
- print_serial_number(seq, (u8 *) (work32 + 16),
-@@ -1311,10 +1299,8 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
- }
-
- seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid);
-- seq_printf(seq, "Module name : %s\n",
-- chtostr(result.module_name, 24));
-- seq_printf(seq, "Module revision : %s\n",
-- chtostr(result.module_rev, 8));
-+ seq_printf(seq, "Module name : %.24s\n", result.module_name);
-+ seq_printf(seq, "Module revision : %.8s\n", result.module_rev);
-
- seq_printf(seq, "Serial number : ");
- print_serial_number(seq, result.serial_number, sizeof(result) - 36);
-@@ -1345,14 +1331,10 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
- return 0;
- }
-
-- seq_printf(seq, "Device name : %s\n",
-- chtostr(result.device_name, 64));
-- seq_printf(seq, "Service name : %s\n",
-- chtostr(result.service_name, 64));
-- seq_printf(seq, "Physical name : %s\n",
-- chtostr(result.physical_location, 64));
-- seq_printf(seq, "Instance number : %s\n",
-- chtostr(result.instance_number, 4));
-+ seq_printf(seq, "Device name : %.64s\n", result.device_name);
-+ seq_printf(seq, "Service name : %.64s\n", result.service_name);
-+ seq_printf(seq, "Physical name : %.64s\n", result.physical_location);
-+ seq_printf(seq, "Instance number : %.4s\n", result.instance_number);
-
- return 0;
- }
-diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
-index a8c08f3..155fe3d 100644
---- a/drivers/message/i2o/iop.c
-+++ b/drivers/message/i2o/iop.c
-@@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_controller * c, void *ptr)
-
- spin_lock_irqsave(&c->context_list_lock, flags);
-
-- if (unlikely(atomic_inc_and_test(&c->context_list_counter)))
-- atomic_inc(&c->context_list_counter);
-+ if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter)))
-+ atomic_inc_unchecked(&c->context_list_counter);
-
-- entry->context = atomic_read(&c->context_list_counter);
-+ entry->context = atomic_read_unchecked(&c->context_list_counter);
-
- list_add(&entry->list, &c->context_list);
-
-@@ -1077,7 +1077,7 @@ struct i2o_controller *i2o_iop_alloc(void)
-
- #if BITS_PER_LONG == 64
- spin_lock_init(&c->context_list_lock);
-- atomic_set(&c->context_list_counter, 0);
-+ atomic_set_unchecked(&c->context_list_counter, 0);
- INIT_LIST_HEAD(&c->context_list);
- #endif
-
-diff --git a/drivers/mfd/abx500-core.c b/drivers/mfd/abx500-core.c
-index 7ce65f4..e66e9bc 100644
---- a/drivers/mfd/abx500-core.c
-+++ b/drivers/mfd/abx500-core.c
-@@ -15,7 +15,7 @@ static LIST_HEAD(abx500_list);
-
- struct abx500_device_entry {
- struct list_head list;
-- struct abx500_ops ops;
-+ abx500_ops_no_const ops;
- struct device *dev;
- };
-
-diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c
-index 2ea9998..51dabee 100644
---- a/drivers/mfd/janz-cmodio.c
-+++ b/drivers/mfd/janz-cmodio.c
-@@ -13,6 +13,7 @@
-
- #include <linux/kernel.h>
- #include <linux/module.h>
-+#include <linux/slab.h>
- #include <linux/init.h>
- #include <linux/pci.h>
- #include <linux/interrupt.h>
-diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
-index a981e2a..5ca0c8b 100644
---- a/drivers/misc/lis3lv02d/lis3lv02d.c
-+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
-@@ -466,7 +466,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data)
- * the lid is closed. This leads to interrupts as soon as a little move
- * is done.
- */
-- atomic_inc(&lis3->count);
-+ atomic_inc_unchecked(&lis3->count);
-
- wake_up_interruptible(&lis3->misc_wait);
- kill_fasync(&lis3->async_queue, SIGIO, POLL_IN);
-@@ -552,7 +552,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
- if (lis3->pm_dev)
- pm_runtime_get_sync(lis3->pm_dev);
-
-- atomic_set(&lis3->count, 0);
-+ atomic_set_unchecked(&lis3->count, 0);
- return 0;
- }
-
-@@ -585,7 +585,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
- add_wait_queue(&lis3->misc_wait, &wait);
- while (true) {
- set_current_state(TASK_INTERRUPTIBLE);
-- data = atomic_xchg(&lis3->count, 0);
-+ data = atomic_xchg_unchecked(&lis3->count, 0);
- if (data)
- break;
-
-@@ -626,7 +626,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)
- struct lis3lv02d, miscdev);
-
- poll_wait(file, &lis3->misc_wait, wait);
-- if (atomic_read(&lis3->count))
-+ if (atomic_read_unchecked(&lis3->count))
- return POLLIN | POLLRDNORM;
- return 0;
- }
-diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
-index 2b1482a..5d33616 100644
---- a/drivers/misc/lis3lv02d/lis3lv02d.h
-+++ b/drivers/misc/lis3lv02d/lis3lv02d.h
-@@ -266,7 +266,7 @@ struct lis3lv02d {
- struct input_polled_dev *idev; /* input device */
- struct platform_device *pdev; /* platform device */
- struct regulator_bulk_data regulators[2];
-- atomic_t count; /* interrupt count after last read */
-+ atomic_unchecked_t count; /* interrupt count after last read */
- union axis_conversion ac; /* hw -> logical axis */
- int mapped_btns[3];
-
-diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
-index 28adefe..08aad69 100644
---- a/drivers/misc/lkdtm.c
-+++ b/drivers/misc/lkdtm.c
-@@ -477,6 +477,8 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf,
- int i, n, out;
-
- buf = (char *)__get_free_page(GFP_KERNEL);
-+ if (buf == NULL)
-+ return -ENOMEM;
-
- n = snprintf(buf, PAGE_SIZE, "Available crash types:\n");
- for (i = 0; i < ARRAY_SIZE(cp_type); i++)
-diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c
-index 2f30bad..c4c13d0 100644
---- a/drivers/misc/sgi-gru/gruhandles.c
-+++ b/drivers/misc/sgi-gru/gruhandles.c
-@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks)
- unsigned long nsec;
-
- nsec = CLKS2NSEC(clks);
-- atomic_long_inc(&mcs_op_statistics[op].count);
-- atomic_long_add(nsec, &mcs_op_statistics[op].total);
-+ atomic_long_inc_unchecked(&mcs_op_statistics[op].count);
-+ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total);
- if (mcs_op_statistics[op].max < nsec)
- mcs_op_statistics[op].max = nsec;
- }
-diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
-index 950dbe9..eeef0f8 100644
---- a/drivers/misc/sgi-gru/gruprocfs.c
-+++ b/drivers/misc/sgi-gru/gruprocfs.c
-@@ -32,9 +32,9 @@
-
- #define printstat(s, f) printstat_val(s, &gru_stats.f, #f)
-
--static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
-+static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id)
- {
-- unsigned long val = atomic_long_read(v);
-+ unsigned long val = atomic_long_read_unchecked(v);
-
- seq_printf(s, "%16lu %s\n", val, id);
- }
-@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
-
- seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
- for (op = 0; op < mcsop_last; op++) {
-- count = atomic_long_read(&mcs_op_statistics[op].count);
-- total = atomic_long_read(&mcs_op_statistics[op].total);
-+ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count);
-+ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total);
- max = mcs_op_statistics[op].max;
- seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count,
- count ? total / count : 0, max);
-diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
-index 5c3ce24..4915ccb 100644
---- a/drivers/misc/sgi-gru/grutables.h
-+++ b/drivers/misc/sgi-gru/grutables.h
-@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids;
- * GRU statistics.
- */
- struct gru_stats_s {
-- atomic_long_t vdata_alloc;
-- atomic_long_t vdata_free;
-- atomic_long_t gts_alloc;
-- atomic_long_t gts_free;
-- atomic_long_t gms_alloc;
-- atomic_long_t gms_free;
-- atomic_long_t gts_double_allocate;
-- atomic_long_t assign_context;
-- atomic_long_t assign_context_failed;
-- atomic_long_t free_context;
-- atomic_long_t load_user_context;
-- atomic_long_t load_kernel_context;
-- atomic_long_t lock_kernel_context;
-- atomic_long_t unlock_kernel_context;
-- atomic_long_t steal_user_context;
-- atomic_long_t steal_kernel_context;
-- atomic_long_t steal_context_failed;
-- atomic_long_t nopfn;
-- atomic_long_t asid_new;
-- atomic_long_t asid_next;
-- atomic_long_t asid_wrap;
-- atomic_long_t asid_reuse;
-- atomic_long_t intr;
-- atomic_long_t intr_cbr;
-- atomic_long_t intr_tfh;
-- atomic_long_t intr_spurious;
-- atomic_long_t intr_mm_lock_failed;
-- atomic_long_t call_os;
-- atomic_long_t call_os_wait_queue;
-- atomic_long_t user_flush_tlb;
-- atomic_long_t user_unload_context;
-- atomic_long_t user_exception;
-- atomic_long_t set_context_option;
-- atomic_long_t check_context_retarget_intr;
-- atomic_long_t check_context_unload;
-- atomic_long_t tlb_dropin;
-- atomic_long_t tlb_preload_page;
-- atomic_long_t tlb_dropin_fail_no_asid;
-- atomic_long_t tlb_dropin_fail_upm;
-- atomic_long_t tlb_dropin_fail_invalid;
-- atomic_long_t tlb_dropin_fail_range_active;
-- atomic_long_t tlb_dropin_fail_idle;
-- atomic_long_t tlb_dropin_fail_fmm;
-- atomic_long_t tlb_dropin_fail_no_exception;
-- atomic_long_t tfh_stale_on_fault;
-- atomic_long_t mmu_invalidate_range;
-- atomic_long_t mmu_invalidate_page;
-- atomic_long_t flush_tlb;
-- atomic_long_t flush_tlb_gru;
-- atomic_long_t flush_tlb_gru_tgh;
-- atomic_long_t flush_tlb_gru_zero_asid;
-+ atomic_long_unchecked_t vdata_alloc;
-+ atomic_long_unchecked_t vdata_free;
-+ atomic_long_unchecked_t gts_alloc;
-+ atomic_long_unchecked_t gts_free;
-+ atomic_long_unchecked_t gms_alloc;
-+ atomic_long_unchecked_t gms_free;
-+ atomic_long_unchecked_t gts_double_allocate;
-+ atomic_long_unchecked_t assign_context;
-+ atomic_long_unchecked_t assign_context_failed;
-+ atomic_long_unchecked_t free_context;
-+ atomic_long_unchecked_t load_user_context;
-+ atomic_long_unchecked_t load_kernel_context;
-+ atomic_long_unchecked_t lock_kernel_context;
-+ atomic_long_unchecked_t unlock_kernel_context;
-+ atomic_long_unchecked_t steal_user_context;
-+ atomic_long_unchecked_t steal_kernel_context;
-+ atomic_long_unchecked_t steal_context_failed;
-+ atomic_long_unchecked_t nopfn;
-+ atomic_long_unchecked_t asid_new;
-+ atomic_long_unchecked_t asid_next;
-+ atomic_long_unchecked_t asid_wrap;
-+ atomic_long_unchecked_t asid_reuse;
-+ atomic_long_unchecked_t intr;
-+ atomic_long_unchecked_t intr_cbr;
-+ atomic_long_unchecked_t intr_tfh;
-+ atomic_long_unchecked_t intr_spurious;
-+ atomic_long_unchecked_t intr_mm_lock_failed;
-+ atomic_long_unchecked_t call_os;
-+ atomic_long_unchecked_t call_os_wait_queue;
-+ atomic_long_unchecked_t user_flush_tlb;
-+ atomic_long_unchecked_t user_unload_context;
-+ atomic_long_unchecked_t user_exception;
-+ atomic_long_unchecked_t set_context_option;
-+ atomic_long_unchecked_t check_context_retarget_intr;
-+ atomic_long_unchecked_t check_context_unload;
-+ atomic_long_unchecked_t tlb_dropin;
-+ atomic_long_unchecked_t tlb_preload_page;
-+ atomic_long_unchecked_t tlb_dropin_fail_no_asid;
-+ atomic_long_unchecked_t tlb_dropin_fail_upm;
-+ atomic_long_unchecked_t tlb_dropin_fail_invalid;
-+ atomic_long_unchecked_t tlb_dropin_fail_range_active;
-+ atomic_long_unchecked_t tlb_dropin_fail_idle;
-+ atomic_long_unchecked_t tlb_dropin_fail_fmm;
-+ atomic_long_unchecked_t tlb_dropin_fail_no_exception;
-+ atomic_long_unchecked_t tfh_stale_on_fault;
-+ atomic_long_unchecked_t mmu_invalidate_range;
-+ atomic_long_unchecked_t mmu_invalidate_page;
-+ atomic_long_unchecked_t flush_tlb;
-+ atomic_long_unchecked_t flush_tlb_gru;
-+ atomic_long_unchecked_t flush_tlb_gru_tgh;
-+ atomic_long_unchecked_t flush_tlb_gru_zero_asid;
-
-- atomic_long_t copy_gpa;
-- atomic_long_t read_gpa;
-+ atomic_long_unchecked_t copy_gpa;
-+ atomic_long_unchecked_t read_gpa;
-
-- atomic_long_t mesq_receive;
-- atomic_long_t mesq_receive_none;
-- atomic_long_t mesq_send;
-- atomic_long_t mesq_send_failed;
-- atomic_long_t mesq_noop;
-- atomic_long_t mesq_send_unexpected_error;
-- atomic_long_t mesq_send_lb_overflow;
-- atomic_long_t mesq_send_qlimit_reached;
-- atomic_long_t mesq_send_amo_nacked;
-- atomic_long_t mesq_send_put_nacked;
-- atomic_long_t mesq_page_overflow;
-- atomic_long_t mesq_qf_locked;
-- atomic_long_t mesq_qf_noop_not_full;
-- atomic_long_t mesq_qf_switch_head_failed;
-- atomic_long_t mesq_qf_unexpected_error;
-- atomic_long_t mesq_noop_unexpected_error;
-- atomic_long_t mesq_noop_lb_overflow;
-- atomic_long_t mesq_noop_qlimit_reached;
-- atomic_long_t mesq_noop_amo_nacked;
-- atomic_long_t mesq_noop_put_nacked;
-- atomic_long_t mesq_noop_page_overflow;
-+ atomic_long_unchecked_t mesq_receive;
-+ atomic_long_unchecked_t mesq_receive_none;
-+ atomic_long_unchecked_t mesq_send;
-+ atomic_long_unchecked_t mesq_send_failed;
-+ atomic_long_unchecked_t mesq_noop;
-+ atomic_long_unchecked_t mesq_send_unexpected_error;
-+ atomic_long_unchecked_t mesq_send_lb_overflow;
-+ atomic_long_unchecked_t mesq_send_qlimit_reached;
-+ atomic_long_unchecked_t mesq_send_amo_nacked;
-+ atomic_long_unchecked_t mesq_send_put_nacked;
-+ atomic_long_unchecked_t mesq_page_overflow;
-+ atomic_long_unchecked_t mesq_qf_locked;
-+ atomic_long_unchecked_t mesq_qf_noop_not_full;
-+ atomic_long_unchecked_t mesq_qf_switch_head_failed;
-+ atomic_long_unchecked_t mesq_qf_unexpected_error;
-+ atomic_long_unchecked_t mesq_noop_unexpected_error;
-+ atomic_long_unchecked_t mesq_noop_lb_overflow;
-+ atomic_long_unchecked_t mesq_noop_qlimit_reached;
-+ atomic_long_unchecked_t mesq_noop_amo_nacked;
-+ atomic_long_unchecked_t mesq_noop_put_nacked;
-+ atomic_long_unchecked_t mesq_noop_page_overflow;
-
- };
-
-@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync,
- tghop_invalidate, mcsop_last};
-
- struct mcs_op_statistic {
-- atomic_long_t count;
-- atomic_long_t total;
-+ atomic_long_unchecked_t count;
-+ atomic_long_unchecked_t total;
- unsigned long max;
- };
-
-@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
-
- #define STAT(id) do { \
- if (gru_options & OPT_STATS) \
-- atomic_long_inc(&gru_stats.id); \
-+ atomic_long_inc_unchecked(&gru_stats.id); \
- } while (0)
-
- #ifdef CONFIG_SGI_GRU_DEBUG
-diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
-index c862cd4..0d176fe 100644
---- a/drivers/misc/sgi-xp/xp.h
-+++ b/drivers/misc/sgi-xp/xp.h
-@@ -288,7 +288,7 @@ struct xpc_interface {
- xpc_notify_func, void *);
- void (*received) (short, int, void *);
- enum xp_retval (*partid_to_nasids) (short, void *);
--};
-+} __no_const;
-
- extern struct xpc_interface xpc_interface;
-
-diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
-index b94d5f7..7f494c5 100644
---- a/drivers/misc/sgi-xp/xpc.h
-+++ b/drivers/misc/sgi-xp/xpc.h
-@@ -835,6 +835,7 @@ struct xpc_arch_operations {
- void (*received_payload) (struct xpc_channel *, void *);
- void (*notify_senders_of_disconnect) (struct xpc_channel *);
- };
-+typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const;
-
- /* struct xpc_partition act_state values (for XPC HB) */
-
-@@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[];
- /* found in xpc_main.c */
- extern struct device *xpc_part;
- extern struct device *xpc_chan;
--extern struct xpc_arch_operations xpc_arch_ops;
-+extern xpc_arch_operations_no_const xpc_arch_ops;
- extern int xpc_disengage_timelimit;
- extern int xpc_disengage_timedout;
- extern int xpc_activate_IRQ_rcvd;
-diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
-index 8d082b4..aa749ae 100644
---- a/drivers/misc/sgi-xp/xpc_main.c
-+++ b/drivers/misc/sgi-xp/xpc_main.c
-@@ -162,7 +162,7 @@ static struct notifier_block xpc_die_notifier = {
- .notifier_call = xpc_system_die,
- };
-
--struct xpc_arch_operations xpc_arch_ops;
-+xpc_arch_operations_no_const xpc_arch_ops;
-
- /*
- * Timer function to enforce the timelimit on the partition disengage.
-diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
-index 2b62232..acfaeeb 100644
---- a/drivers/misc/ti-st/st_core.c
-+++ b/drivers/misc/ti-st/st_core.c
-@@ -349,6 +349,11 @@ void st_int_recv(void *disc_data,
- st_gdata->rx_skb = alloc_skb(
- st_gdata->list[type]->max_frame_size,
- GFP_ATOMIC);
-+ if (st_gdata->rx_skb == NULL) {
-+ pr_err("out of memory: dropping\n");
-+ goto done;
-+ }
-+
- skb_reserve(st_gdata->rx_skb,
- st_gdata->list[type]->reserve);
- /* next 2 required for BT only */
-diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
-index 504da71..9722d43 100644
---- a/drivers/mmc/host/sdhci-pci.c
-+++ b/drivers/mmc/host/sdhci-pci.c
-@@ -653,7 +653,7 @@ static const struct sdhci_pci_fixes sdhci_via = {
- .probe = via_probe,
- };
-
--static const struct pci_device_id pci_ids[] __devinitdata = {
-+static const struct pci_device_id pci_ids[] __devinitconst = {
- {
- .vendor = PCI_VENDOR_ID_RICOH,
- .device = PCI_DEVICE_ID_RICOH_R5C822,
-diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
-index a4eb8b5..8c0628f 100644
---- a/drivers/mtd/devices/doc2000.c
-+++ b/drivers/mtd/devices/doc2000.c
-@@ -753,7 +753,7 @@ static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,
-
- /* The ECC will not be calculated correctly if less than 512 is written */
- /* DBB-
-- if (len != 0x200 && eccbuf)
-+ if (len != 0x200)
- printk(KERN_WARNING
- "ECC needs a full sector write (adr: %lx size %lx)\n",
- (long) to, (long) len);
-diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
-index 0650aaf..7718762 100644
---- a/drivers/mtd/nand/denali.c
-+++ b/drivers/mtd/nand/denali.c
-@@ -26,6 +26,7 @@
- #include <linux/pci.h>
- #include <linux/mtd/mtd.h>
- #include <linux/module.h>
-+#include <linux/slab.h>
-
- #include "denali.h"
-
-diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
-index 51b9d6a..52af9a7 100644
---- a/drivers/mtd/nftlmount.c
-+++ b/drivers/mtd/nftlmount.c
-@@ -24,6 +24,7 @@
- #include <asm/errno.h>
- #include <linux/delay.h>
- #include <linux/slab.h>
-+#include <linux/sched.h>
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/nand.h>
- #include <linux/mtd/nftl.h>
-diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
-index 6762dc4..9956862 100644
---- a/drivers/net/ethernet/atheros/atlx/atl2.c
-+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
-@@ -2859,7 +2859,7 @@ static void atl2_force_ps(struct atl2_hw *hw)
- */
-
- #define ATL2_PARAM(X, desc) \
-- static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \
-+ static const int __devinitconst X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \
- MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \
- MODULE_PARM_DESC(X, desc);
- #else
-diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
-index efd80bd..21fcff0 100644
---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
-+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
-@@ -487,7 +487,7 @@ struct bnx2x_rx_mode_obj {
-
- int (*wait_comp)(struct bnx2x *bp,
- struct bnx2x_rx_mode_ramrod_params *p);
--};
-+} __no_const;
-
- /********************** Set multicast group ***********************************/
-
-diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
-index 93865f8..5448741 100644
---- a/drivers/net/ethernet/broadcom/tg3.h
-+++ b/drivers/net/ethernet/broadcom/tg3.h
-@@ -140,6 +140,7 @@
- #define CHIPREV_ID_5750_A0 0x4000
- #define CHIPREV_ID_5750_A1 0x4001
- #define CHIPREV_ID_5750_A3 0x4003
-+#define CHIPREV_ID_5750_C1 0x4201
- #define CHIPREV_ID_5750_C2 0x4202
- #define CHIPREV_ID_5752_A0_HW 0x5000
- #define CHIPREV_ID_5752_A0 0x6000
-diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
-index c4e8643..0979484 100644
---- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h
-+++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
-@@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
- */
- struct l2t_skb_cb {
- arp_failure_handler_func arp_failure_handler;
--};
-+} __no_const;
-
- #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb)
-
-diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
-index d3cd489..0fd52dd 100644
---- a/drivers/net/ethernet/dec/tulip/de4x5.c
-+++ b/drivers/net/ethernet/dec/tulip/de4x5.c
-@@ -5388,7 +5388,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
- for (i=0; i<ETH_ALEN; i++) {
- tmp.addr[i] = dev->dev_addr[i];
- }
-- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
-+ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
- break;
-
- case DE4X5_SET_HWADDR: /* Set the hardware address */
-@@ -5428,7 +5428,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
- spin_lock_irqsave(&lp->lock, flags);
- memcpy(&statbuf, &lp->pktStats, ioc->len);
- spin_unlock_irqrestore(&lp->lock, flags);
-- if (copy_to_user(ioc->data, &statbuf, ioc->len))
-+ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len))
- return -EFAULT;
- break;
- }
-diff --git a/drivers/net/ethernet/dec/tulip/eeprom.c b/drivers/net/ethernet/dec/tulip/eeprom.c
-index ed7d1dc..d426748 100644
---- a/drivers/net/ethernet/dec/tulip/eeprom.c
-+++ b/drivers/net/ethernet/dec/tulip/eeprom.c
-@@ -79,7 +79,7 @@ static struct eeprom_fixup eeprom_fixups[] __devinitdata = {
- {NULL}};
-
-
--static const char *block_name[] __devinitdata = {
-+static const char *block_name[] __devinitconst = {
- "21140 non-MII",
- "21140 MII PHY",
- "21142 Serial PHY",
-diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c
-index 75d45f8..3d9c55b 100644
---- a/drivers/net/ethernet/dec/tulip/uli526x.c
-+++ b/drivers/net/ethernet/dec/tulip/uli526x.c
-@@ -129,7 +129,7 @@ struct uli526x_board_info {
- struct uli_phy_ops {
- void (*write)(struct uli526x_board_info *, u8, u8, u16);
- u16 (*read)(struct uli526x_board_info *, u8, u8);
-- } phy;
-+ } __no_const phy;
- struct net_device *next_dev; /* next device */
- struct pci_dev *pdev; /* PCI device */
- spinlock_t lock;
-diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c
-index 4d1ffca..7c1ec4d 100644
---- a/drivers/net/ethernet/dec/tulip/winbond-840.c
-+++ b/drivers/net/ethernet/dec/tulip/winbond-840.c
-@@ -236,7 +236,7 @@ struct pci_id_info {
- int drv_flags; /* Driver use, intended as capability flags. */
- };
-
--static const struct pci_id_info pci_id_tbl[] __devinitdata = {
-+static const struct pci_id_info pci_id_tbl[] __devinitconst = {
- { /* Sometime a Level-One switch card. */
- "Winbond W89c840", CanHaveMII | HasBrokenTx | FDXOnNoMII},
- { "Winbond W89c840", CanHaveMII | HasBrokenTx},
-diff --git a/drivers/net/ethernet/dlink/sundance.c b/drivers/net/ethernet/dlink/sundance.c
-index d7bb52a..3b83588 100644
---- a/drivers/net/ethernet/dlink/sundance.c
-+++ b/drivers/net/ethernet/dlink/sundance.c
-@@ -218,7 +218,7 @@ enum {
- struct pci_id_info {
- const char *name;
- };
--static const struct pci_id_info pci_id_tbl[] __devinitdata = {
-+static const struct pci_id_info pci_id_tbl[] __devinitconst = {
- {"D-Link DFE-550TX FAST Ethernet Adapter"},
- {"D-Link DFE-550FX 100Mbps Fiber-optics Adapter"},
- {"D-Link DFE-580TX 4 port Server Adapter"},
-diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
-index bd5cf7e..c165651 100644
---- a/drivers/net/ethernet/emulex/benet/be_main.c
-+++ b/drivers/net/ethernet/emulex/benet/be_main.c
-@@ -403,7 +403,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val)
-
- if (wrapped)
- newacc += 65536;
-- ACCESS_ONCE(*acc) = newacc;
-+ ACCESS_ONCE_RW(*acc) = newacc;
- }
-
- void be_parse_stats(struct be_adapter *adapter)
-diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
-index 16b0704..d2c07d7 100644
---- a/drivers/net/ethernet/faraday/ftgmac100.c
-+++ b/drivers/net/ethernet/faraday/ftgmac100.c
-@@ -31,6 +31,8 @@
- #include <linux/netdevice.h>
- #include <linux/phy.h>
- #include <linux/platform_device.h>
-+#include <linux/interrupt.h>
-+#include <linux/irqreturn.h>
- #include <net/ip.h>
-
- #include "ftgmac100.h"
-diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c
-index 829b109..4ae5f6a 100644
---- a/drivers/net/ethernet/faraday/ftmac100.c
-+++ b/drivers/net/ethernet/faraday/ftmac100.c
-@@ -31,6 +31,8 @@
- #include <linux/module.h>
- #include <linux/netdevice.h>
- #include <linux/platform_device.h>
-+#include <linux/interrupt.h>
-+#include <linux/irqreturn.h>
-
- #include "ftmac100.h"
-
-diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c
-index 9d71c9c..0e4a0ac 100644
---- a/drivers/net/ethernet/fealnx.c
-+++ b/drivers/net/ethernet/fealnx.c
-@@ -150,7 +150,7 @@ struct chip_info {
- int flags;
- };
-
--static const struct chip_info skel_netdrv_tbl[] __devinitdata = {
-+static const struct chip_info skel_netdrv_tbl[] __devinitconst = {
- { "100/10M Ethernet PCI Adapter", HAS_MII_XCVR },
- { "100/10M Ethernet PCI Adapter", HAS_CHIP_XCVR },
- { "1000/100/10M Ethernet PCI Adapter", HAS_MII_XCVR },
-diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
-index 6e6fffb..588f361 100644
---- a/drivers/net/ethernet/intel/e1000e/e1000.h
-+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
-@@ -181,7 +181,7 @@ struct e1000_info;
- #define E1000_TXDCTL_DMA_BURST_ENABLE \
- (E1000_TXDCTL_GRAN | /* set descriptor granularity */ \
- E1000_TXDCTL_COUNT_DESC | \
-- (5 << 16) | /* wthresh must be +1 more than desired */\
-+ (1 << 16) | /* wthresh must be +1 more than desired */\
- (1 << 8) | /* hthresh */ \
- 0x1f) /* pthresh */
-
-diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
-index ed5b409..ec37828 100644
---- a/drivers/net/ethernet/intel/e1000e/hw.h
-+++ b/drivers/net/ethernet/intel/e1000e/hw.h
-@@ -797,6 +797,7 @@ struct e1000_mac_operations {
- void (*rar_set)(struct e1000_hw *, u8 *, u32);
- s32 (*read_mac_addr)(struct e1000_hw *);
- };
-+typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
-
- /*
- * When to use various PHY register access functions:
-@@ -837,6 +838,7 @@ struct e1000_phy_operations {
- void (*power_up)(struct e1000_hw *);
- void (*power_down)(struct e1000_hw *);
- };
-+typedef struct e1000_phy_operations __no_const e1000_phy_operations_no_const;
-
- /* Function pointers for the NVM. */
- struct e1000_nvm_operations {
-@@ -849,9 +851,10 @@ struct e1000_nvm_operations {
- s32 (*validate)(struct e1000_hw *);
- s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
- };
-+typedef struct e1000_nvm_operations __no_const e1000_nvm_operations_no_const;
-
- struct e1000_mac_info {
-- struct e1000_mac_operations ops;
-+ e1000_mac_operations_no_const ops;
- u8 addr[ETH_ALEN];
- u8 perm_addr[ETH_ALEN];
-
-@@ -892,7 +895,7 @@ struct e1000_mac_info {
- };
-
- struct e1000_phy_info {
-- struct e1000_phy_operations ops;
-+ e1000_phy_operations_no_const ops;
-
- enum e1000_phy_type type;
-
-@@ -926,7 +929,7 @@ struct e1000_phy_info {
- };
-
- struct e1000_nvm_info {
-- struct e1000_nvm_operations ops;
-+ e1000_nvm_operations_no_const ops;
-
- enum e1000_nvm_type type;
- enum e1000_nvm_override override;
-diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h
-index c2a51dc..c2bd262 100644
---- a/drivers/net/ethernet/intel/igb/e1000_hw.h
-+++ b/drivers/net/ethernet/intel/igb/e1000_hw.h
-@@ -327,6 +327,7 @@ struct e1000_mac_operations {
- void (*release_swfw_sync)(struct e1000_hw *, u16);
-
- };
-+typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
-
- struct e1000_phy_operations {
- s32 (*acquire)(struct e1000_hw *);
-@@ -343,6 +344,7 @@ struct e1000_phy_operations {
- s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
- s32 (*write_reg)(struct e1000_hw *, u32, u16);
- };
-+typedef struct e1000_phy_operations __no_const e1000_phy_operations_no_const;
-
- struct e1000_nvm_operations {
- s32 (*acquire)(struct e1000_hw *);
-@@ -353,6 +355,7 @@ struct e1000_nvm_operations {
- s32 (*validate)(struct e1000_hw *);
- s32 (*valid_led_default)(struct e1000_hw *, u16 *);
- };
-+typedef struct e1000_nvm_operations __no_const e1000_nvm_operations_no_const;
-
- struct e1000_info {
- s32 (*get_invariants)(struct e1000_hw *);
-@@ -364,7 +367,7 @@ struct e1000_info {
- extern const struct e1000_info e1000_82575_info;
-
- struct e1000_mac_info {
-- struct e1000_mac_operations ops;
-+ e1000_mac_operations_no_const ops;
-
- u8 addr[6];
- u8 perm_addr[6];
-@@ -402,7 +405,7 @@ struct e1000_mac_info {
- };
-
- struct e1000_phy_info {
-- struct e1000_phy_operations ops;
-+ e1000_phy_operations_no_const ops;
-
- enum e1000_phy_type type;
-
-@@ -437,7 +440,7 @@ struct e1000_phy_info {
- };
-
- struct e1000_nvm_info {
-- struct e1000_nvm_operations ops;
-+ e1000_nvm_operations_no_const ops;
- enum e1000_nvm_type type;
- enum e1000_nvm_override override;
-
-@@ -482,6 +485,7 @@ struct e1000_mbx_operations {
- s32 (*check_for_ack)(struct e1000_hw *, u16);
- s32 (*check_for_rst)(struct e1000_hw *, u16);
- };
-+typedef struct e1000_mbx_operations __no_const e1000_mbx_operations_no_const;
-
- struct e1000_mbx_stats {
- u32 msgs_tx;
-@@ -493,7 +497,7 @@ struct e1000_mbx_stats {
- };
-
- struct e1000_mbx_info {
-- struct e1000_mbx_operations ops;
-+ e1000_mbx_operations_no_const ops;
- struct e1000_mbx_stats stats;
- u32 timeout;
- u32 usec_delay;
-diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h
-index 57db3c6..aa825fc 100644
---- a/drivers/net/ethernet/intel/igbvf/vf.h
-+++ b/drivers/net/ethernet/intel/igbvf/vf.h
-@@ -189,9 +189,10 @@ struct e1000_mac_operations {
- s32 (*read_mac_addr)(struct e1000_hw *);
- s32 (*set_vfta)(struct e1000_hw *, u16, bool);
- };
-+typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
-
- struct e1000_mac_info {
-- struct e1000_mac_operations ops;
-+ e1000_mac_operations_no_const ops;
- u8 addr[6];
- u8 perm_addr[6];
-
-@@ -213,6 +214,7 @@ struct e1000_mbx_operations {
- s32 (*check_for_ack)(struct e1000_hw *);
- s32 (*check_for_rst)(struct e1000_hw *);
- };
-+typedef struct e1000_mbx_operations __no_const e1000_mbx_operations_no_const;
-
- struct e1000_mbx_stats {
- u32 msgs_tx;
-@@ -224,7 +226,7 @@ struct e1000_mbx_stats {
- };
-
- struct e1000_mbx_info {
-- struct e1000_mbx_operations ops;
-+ e1000_mbx_operations_no_const ops;
- struct e1000_mbx_stats stats;
- u32 timeout;
- u32 usec_delay;
-diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
-index dcebd12..c1fe8be 100644
---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
-+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
-@@ -805,7 +805,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter)
- /* store the new cycle speed */
- adapter->cycle_speed = cycle_speed;
-
-- ACCESS_ONCE(adapter->base_incval) = incval;
-+ ACCESS_ONCE_RW(adapter->base_incval) = incval;
- smp_mb();
-
- /* grab the ptp lock */
-diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
-index 204848d..d8aeaec 100644
---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
-+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
-@@ -2791,6 +2791,7 @@ struct ixgbe_eeprom_operations {
- s32 (*update_checksum)(struct ixgbe_hw *);
- u16 (*calc_checksum)(struct ixgbe_hw *);
- };
-+typedef struct ixgbe_eeprom_operations __no_const ixgbe_eeprom_operations_no_const;
-
- struct ixgbe_mac_operations {
- s32 (*init_hw)(struct ixgbe_hw *);
-@@ -2856,6 +2857,7 @@ struct ixgbe_mac_operations {
- s32 (*get_thermal_sensor_data)(struct ixgbe_hw *);
- s32 (*init_thermal_sensor_thresh)(struct ixgbe_hw *hw);
- };
-+typedef struct ixgbe_mac_operations __no_const ixgbe_mac_operations_no_const;
-
- struct ixgbe_phy_operations {
- s32 (*identify)(struct ixgbe_hw *);
-@@ -2875,9 +2877,10 @@ struct ixgbe_phy_operations {
- s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8);
- s32 (*check_overtemp)(struct ixgbe_hw *);
- };
-+typedef struct ixgbe_phy_operations __no_const ixgbe_phy_operations_no_const;
-
- struct ixgbe_eeprom_info {
-- struct ixgbe_eeprom_operations ops;
-+ ixgbe_eeprom_operations_no_const ops;
- enum ixgbe_eeprom_type type;
- u32 semaphore_delay;
- u16 word_size;
-@@ -2887,7 +2890,7 @@ struct ixgbe_eeprom_info {
-
- #define IXGBE_FLAGS_DOUBLE_RESET_REQUIRED 0x01
- struct ixgbe_mac_info {
-- struct ixgbe_mac_operations ops;
-+ ixgbe_mac_operations_no_const ops;
- enum ixgbe_mac_type type;
- u8 addr[ETH_ALEN];
- u8 perm_addr[ETH_ALEN];
-@@ -2916,7 +2919,7 @@ struct ixgbe_mac_info {
- };
-
- struct ixgbe_phy_info {
-- struct ixgbe_phy_operations ops;
-+ ixgbe_phy_operations_no_const ops;
- struct mdio_if_info mdio;
- enum ixgbe_phy_type type;
- u32 id;
-@@ -2944,6 +2947,7 @@ struct ixgbe_mbx_operations {
- s32 (*check_for_ack)(struct ixgbe_hw *, u16);
- s32 (*check_for_rst)(struct ixgbe_hw *, u16);
- };
-+typedef struct ixgbe_mbx_operations __no_const ixgbe_mbx_operations_no_const;
-
- struct ixgbe_mbx_stats {
- u32 msgs_tx;
-@@ -2955,7 +2959,7 @@ struct ixgbe_mbx_stats {
- };
-
- struct ixgbe_mbx_info {
-- struct ixgbe_mbx_operations ops;
-+ ixgbe_mbx_operations_no_const ops;
- struct ixgbe_mbx_stats stats;
- u32 timeout;
- u32 usec_delay;
-diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
-index 25c951d..cc7cf33 100644
---- a/drivers/net/ethernet/intel/ixgbevf/vf.h
-+++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
-@@ -70,6 +70,7 @@ struct ixgbe_mac_operations {
- s32 (*clear_vfta)(struct ixgbe_hw *);
- s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
- };
-+typedef struct ixgbe_mac_operations __no_const ixgbe_mac_operations_no_const;
-
- enum ixgbe_mac_type {
- ixgbe_mac_unknown = 0,
-@@ -79,7 +80,7 @@ enum ixgbe_mac_type {
- };
-
- struct ixgbe_mac_info {
-- struct ixgbe_mac_operations ops;
-+ ixgbe_mac_operations_no_const ops;
- u8 addr[6];
- u8 perm_addr[6];
-
-@@ -103,6 +104,7 @@ struct ixgbe_mbx_operations {
- s32 (*check_for_ack)(struct ixgbe_hw *);
- s32 (*check_for_rst)(struct ixgbe_hw *);
- };
-+typedef struct ixgbe_mbx_operations __no_const ixgbe_mbx_operations_no_const;
-
- struct ixgbe_mbx_stats {
- u32 msgs_tx;
-@@ -114,7 +116,7 @@ struct ixgbe_mbx_stats {
- };
-
- struct ixgbe_mbx_info {
-- struct ixgbe_mbx_operations ops;
-+ ixgbe_mbx_operations_no_const ops;
- struct ixgbe_mbx_stats stats;
- u32 timeout;
- u32 udelay;
-diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
-index a0313de..e83a572 100644
---- a/drivers/net/ethernet/mellanox/mlx4/main.c
-+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
-@@ -41,6 +41,7 @@
- #include <linux/slab.h>
- #include <linux/io-mapping.h>
- #include <linux/delay.h>
-+#include <linux/sched.h>
-
- #include <linux/mlx4/device.h>
- #include <linux/mlx4/doorbell.h>
-diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.h b/drivers/net/ethernet/neterion/vxge/vxge-config.h
-index 5046a64..71ca936 100644
---- a/drivers/net/ethernet/neterion/vxge/vxge-config.h
-+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.h
-@@ -514,7 +514,7 @@ struct vxge_hw_uld_cbs {
- void (*link_down)(struct __vxge_hw_device *devh);
- void (*crit_err)(struct __vxge_hw_device *devh,
- enum vxge_hw_event type, u64 ext_data);
--};
-+} __no_const;
-
- /*
- * struct __vxge_hw_blockpool_entry - Block private data structure
-diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.h b/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
-index 4a518a3..936b334 100644
---- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
-+++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
-@@ -2088,7 +2088,7 @@ struct vxge_hw_mempool_cbs {
- struct vxge_hw_mempool_dma *dma_object,
- u32 index,
- u32 is_last);
--};
-+} __no_const;
-
- #define VXGE_HW_VIRTUAL_PATH_HANDLE(vpath) \
- ((struct __vxge_hw_vpath_handle *)(vpath)->vpath_handles.next)
-diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
-index eb81da4..1592b62 100644
---- a/drivers/net/ethernet/realtek/r8169.c
-+++ b/drivers/net/ethernet/realtek/r8169.c
-@@ -723,22 +723,22 @@ struct rtl8169_private {
- struct mdio_ops {
- void (*write)(void __iomem *, int, int);
- int (*read)(void __iomem *, int);
-- } mdio_ops;
-+ } __no_const mdio_ops;
-
- struct pll_power_ops {
- void (*down)(struct rtl8169_private *);
- void (*up)(struct rtl8169_private *);
-- } pll_power_ops;
-+ } __no_const pll_power_ops;
-
- struct jumbo_ops {
- void (*enable)(struct rtl8169_private *);
- void (*disable)(struct rtl8169_private *);
-- } jumbo_ops;
-+ } __no_const jumbo_ops;
-
- struct csi_ops {
- void (*write)(void __iomem *, int, int);
- u32 (*read)(void __iomem *, int);
-- } csi_ops;
-+ } __no_const csi_ops;
-
- int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
- int (*get_settings)(struct net_device *, struct ethtool_cmd *);
-diff --git a/drivers/net/ethernet/sis/sis190.c b/drivers/net/ethernet/sis/sis190.c
-index 4613591..d816601 100644
---- a/drivers/net/ethernet/sis/sis190.c
-+++ b/drivers/net/ethernet/sis/sis190.c
-@@ -1618,7 +1618,7 @@ static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
- static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
- struct net_device *dev)
- {
-- static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
-+ static const u16 __devinitconst ids[] = { 0x0965, 0x0966, 0x0968 };
- struct sis190_private *tp = netdev_priv(dev);
- struct pci_dev *isa_bridge;
- u8 reg, tmp8;
-diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
-index c07cfe9..81cbf7e 100644
---- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
-+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
-@@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode)
-
- writel(value, ioaddr + MMC_CNTRL);
-
-- pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
-- MMC_CNTRL, value);
-+// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
-+// MMC_CNTRL, value);
- }
-
- /* To mask all all interrupts.*/
-diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
-index 2857ab0..9a1f9b0 100644
---- a/drivers/net/hyperv/hyperv_net.h
-+++ b/drivers/net/hyperv/hyperv_net.h
-@@ -99,7 +99,7 @@ struct rndis_device {
-
- enum rndis_device_state state;
- bool link_state;
-- atomic_t new_req_id;
-+ atomic_unchecked_t new_req_id;
-
- spinlock_t request_lock;
- struct list_head req_list;
-diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
-index 981ebb1..b34959b 100644
---- a/drivers/net/hyperv/rndis_filter.c
-+++ b/drivers/net/hyperv/rndis_filter.c
-@@ -97,7 +97,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev,
- * template
- */
- set = &rndis_msg->msg.set_req;
-- set->req_id = atomic_inc_return(&dev->new_req_id);
-+ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
-
- /* Add to the request list */
- spin_lock_irqsave(&dev->request_lock, flags);
-@@ -648,7 +648,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev)
-
- /* Setup the rndis set */
- halt = &request->request_msg.msg.halt_req;
-- halt->req_id = atomic_inc_return(&dev->new_req_id);
-+ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
-
- /* Ignore return since this msg is optional. */
- rndis_filter_send_request(dev, request);
-diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
-index 5c05572..389610b 100644
---- a/drivers/net/ppp/ppp_generic.c
-+++ b/drivers/net/ppp/ppp_generic.c
-@@ -986,7 +986,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data;
- struct ppp_stats stats;
- struct ppp_comp_stats cstats;
-- char *vers;
-
- switch (cmd) {
- case SIOCGPPPSTATS:
-@@ -1008,8 +1007,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- break;
-
- case SIOCGPPPVER:
-- vers = PPP_VERSION;
-- if (copy_to_user(addr, vers, strlen(vers) + 1))
-+ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION)))
- break;
- err = 0;
- break;
-diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
-index 62f30b4..ff99dfd 100644
---- a/drivers/net/usb/hso.c
-+++ b/drivers/net/usb/hso.c
-@@ -71,7 +71,7 @@
- #include <asm/byteorder.h>
- #include <linux/serial_core.h>
- #include <linux/serial.h>
--
-+#include <asm/local.h>
-
- #define MOD_AUTHOR "Option Wireless"
- #define MOD_DESCRIPTION "USB High Speed Option driver"
-@@ -1182,7 +1182,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial)
- struct urb *urb;
-
- urb = serial->rx_urb[0];
-- if (serial->port.count > 0) {
-+ if (atomic_read(&serial->port.count) > 0) {
- count = put_rxbuf_data(urb, serial);
- if (count == -1)
- return;
-@@ -1218,7 +1218,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
- DUMP1(urb->transfer_buffer, urb->actual_length);
-
- /* Anyone listening? */
-- if (serial->port.count == 0)
-+ if (atomic_read(&serial->port.count) == 0)
- return;
-
- if (status == 0) {
-@@ -1300,8 +1300,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
- tty_port_tty_set(&serial->port, tty);
-
- /* check for port already opened, if not set the termios */
-- serial->port.count++;
-- if (serial->port.count == 1) {
-+ if (atomic_inc_return(&serial->port.count) == 1) {
- serial->rx_state = RX_IDLE;
- /* Force default termio settings */
- _hso_serial_set_termios(tty, NULL);
-@@ -1313,7 +1312,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
- result = hso_start_serial_device(serial->parent, GFP_KERNEL);
- if (result) {
- hso_stop_serial_device(serial->parent);
-- serial->port.count--;
-+ atomic_dec(&serial->port.count);
- kref_put(&serial->parent->ref, hso_serial_ref_free);
- }
- } else {
-@@ -1350,10 +1349,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
-
- /* reset the rts and dtr */
- /* do the actual close */
-- serial->port.count--;
-+ atomic_dec(&serial->port.count);
-
-- if (serial->port.count <= 0) {
-- serial->port.count = 0;
-+ if (atomic_read(&serial->port.count) <= 0) {
-+ atomic_set(&serial->port.count, 0);
- tty_port_tty_set(&serial->port, NULL);
- if (!usb_gone)
- hso_stop_serial_device(serial->parent);
-@@ -1429,7 +1428,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old)
-
- /* the actual setup */
- spin_lock_irqsave(&serial->serial_lock, flags);
-- if (serial->port.count)
-+ if (atomic_read(&serial->port.count))
- _hso_serial_set_termios(tty, old);
- else
- tty->termios = old;
-@@ -1888,7 +1887,7 @@ static void intr_callback(struct urb *urb)
- D1("Pending read interrupt on port %d\n", i);
- spin_lock(&serial->serial_lock);
- if (serial->rx_state == RX_IDLE &&
-- serial->port.count > 0) {
-+ atomic_read(&serial->port.count) > 0) {
- /* Setup and send a ctrl req read on
- * port i */
- if (!serial->rx_urb_filled[0]) {
-@@ -3079,7 +3078,7 @@ static int hso_resume(struct usb_interface *iface)
- /* Start all serial ports */
- for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
- if (serial_table[i] && (serial_table[i]->interface == iface)) {
-- if (dev2ser(serial_table[i])->port.count) {
-+ if (atomic_read(&dev2ser(serial_table[i])->port.count)) {
- result =
- hso_start_serial_device(serial_table[i], GFP_NOIO);
- hso_kick_transmit(dev2ser(serial_table[i]));
-diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
-index 420d69b..74f90a2 100644
---- a/drivers/net/wireless/ath/ath.h
-+++ b/drivers/net/wireless/ath/ath.h
-@@ -119,6 +119,7 @@ struct ath_ops {
- void (*write_flush) (void *);
- u32 (*rmw)(void *, u32 reg_offset, u32 set, u32 clr);
- };
-+typedef struct ath_ops __no_const ath_ops_no_const;
-
- struct ath_common;
- struct ath_bus_ops;
-diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-index 8d78253..bebbb68 100644
---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-@@ -184,8 +184,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
- ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
-
-- ACCESS_ONCE(ads->ds_link) = i->link;
-- ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];
-+ ACCESS_ONCE_RW(ads->ds_link) = i->link;
-+ ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0];
-
- ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
- ctl6 = SM(i->keytype, AR_EncrType);
-@@ -199,26 +199,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
-
- if ((i->is_first || i->is_last) &&
- i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
-- ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0)
- | set11nTries(i->rates, 1)
- | set11nTries(i->rates, 2)
- | set11nTries(i->rates, 3)
- | (i->dur_update ? AR_DurUpdateEna : 0)
- | SM(0, AR_BurstDur);
-
-- ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0)
- | set11nRate(i->rates, 1)
- | set11nRate(i->rates, 2)
- | set11nRate(i->rates, 3);
- } else {
-- ACCESS_ONCE(ads->ds_ctl2) = 0;
-- ACCESS_ONCE(ads->ds_ctl3) = 0;
-+ ACCESS_ONCE_RW(ads->ds_ctl2) = 0;
-+ ACCESS_ONCE_RW(ads->ds_ctl3) = 0;
- }
-
- if (!i->is_first) {
-- ACCESS_ONCE(ads->ds_ctl0) = 0;
-- ACCESS_ONCE(ads->ds_ctl1) = ctl1;
-- ACCESS_ONCE(ads->ds_ctl6) = ctl6;
-+ ACCESS_ONCE_RW(ads->ds_ctl0) = 0;
-+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
-+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
- return;
- }
-
-@@ -243,7 +243,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- break;
- }
-
-- ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
-+ ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
- | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
- | SM(i->txpower, AR_XmitPower)
- | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-@@ -253,19 +253,19 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
- (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
-
-- ACCESS_ONCE(ads->ds_ctl1) = ctl1;
-- ACCESS_ONCE(ads->ds_ctl6) = ctl6;
-+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
-+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
-
- if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
- return;
-
-- ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
- | set11nPktDurRTSCTS(i->rates, 1);
-
-- ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
-+ ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
- | set11nPktDurRTSCTS(i->rates, 3);
-
-- ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
- | set11nRateFlags(i->rates, 1)
- | set11nRateFlags(i->rates, 2)
- | set11nRateFlags(i->rates, 3)
-diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-index d9e0824..1a874e7 100644
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- (i->qcu << AR_TxQcuNum_S) | desc_len;
-
- checksum += val;
-- ACCESS_ONCE(ads->info) = val;
-+ ACCESS_ONCE_RW(ads->info) = val;
-
- checksum += i->link;
-- ACCESS_ONCE(ads->link) = i->link;
-+ ACCESS_ONCE_RW(ads->link) = i->link;
-
- checksum += i->buf_addr[0];
-- ACCESS_ONCE(ads->data0) = i->buf_addr[0];
-+ ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0];
- checksum += i->buf_addr[1];
-- ACCESS_ONCE(ads->data1) = i->buf_addr[1];
-+ ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1];
- checksum += i->buf_addr[2];
-- ACCESS_ONCE(ads->data2) = i->buf_addr[2];
-+ ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2];
- checksum += i->buf_addr[3];
-- ACCESS_ONCE(ads->data3) = i->buf_addr[3];
-+ ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3];
-
- checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
-- ACCESS_ONCE(ads->ctl3) = val;
-+ ACCESS_ONCE_RW(ads->ctl3) = val;
- checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
-- ACCESS_ONCE(ads->ctl5) = val;
-+ ACCESS_ONCE_RW(ads->ctl5) = val;
- checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
-- ACCESS_ONCE(ads->ctl7) = val;
-+ ACCESS_ONCE_RW(ads->ctl7) = val;
- checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
-- ACCESS_ONCE(ads->ctl9) = val;
-+ ACCESS_ONCE_RW(ads->ctl9) = val;
-
- checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
-- ACCESS_ONCE(ads->ctl10) = checksum;
-+ ACCESS_ONCE_RW(ads->ctl10) = checksum;
-
- if (i->is_first || i->is_last) {
-- ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0)
- | set11nTries(i->rates, 1)
- | set11nTries(i->rates, 2)
- | set11nTries(i->rates, 3)
- | (i->dur_update ? AR_DurUpdateEna : 0)
- | SM(0, AR_BurstDur);
-
-- ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0)
- | set11nRate(i->rates, 1)
- | set11nRate(i->rates, 2)
- | set11nRate(i->rates, 3);
- } else {
-- ACCESS_ONCE(ads->ctl13) = 0;
-- ACCESS_ONCE(ads->ctl14) = 0;
-+ ACCESS_ONCE_RW(ads->ctl13) = 0;
-+ ACCESS_ONCE_RW(ads->ctl14) = 0;
- }
-
- ads->ctl20 = 0;
-@@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
-
- ctl17 = SM(i->keytype, AR_EncrType);
- if (!i->is_first) {
-- ACCESS_ONCE(ads->ctl11) = 0;
-- ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
-- ACCESS_ONCE(ads->ctl15) = 0;
-- ACCESS_ONCE(ads->ctl16) = 0;
-- ACCESS_ONCE(ads->ctl17) = ctl17;
-- ACCESS_ONCE(ads->ctl18) = 0;
-- ACCESS_ONCE(ads->ctl19) = 0;
-+ ACCESS_ONCE_RW(ads->ctl11) = 0;
-+ ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
-+ ACCESS_ONCE_RW(ads->ctl15) = 0;
-+ ACCESS_ONCE_RW(ads->ctl16) = 0;
-+ ACCESS_ONCE_RW(ads->ctl17) = ctl17;
-+ ACCESS_ONCE_RW(ads->ctl18) = 0;
-+ ACCESS_ONCE_RW(ads->ctl19) = 0;
- return;
- }
-
-- ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
-+ ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen)
- | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
- | SM(i->txpower, AR_XmitPower)
- | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-@@ -135,22 +135,22 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
- ctl12 |= SM(val, AR_PAPRDChainMask);
-
-- ACCESS_ONCE(ads->ctl12) = ctl12;
-- ACCESS_ONCE(ads->ctl17) = ctl17;
-+ ACCESS_ONCE_RW(ads->ctl12) = ctl12;
-+ ACCESS_ONCE_RW(ads->ctl17) = ctl17;
-
-- ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
- | set11nPktDurRTSCTS(i->rates, 1);
-
-- ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
-+ ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
- | set11nPktDurRTSCTS(i->rates, 3);
-
-- ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
-+ ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0)
- | set11nRateFlags(i->rates, 1)
- | set11nRateFlags(i->rates, 2)
- | set11nRateFlags(i->rates, 3)
- | SM(i->rtscts_rate, AR_RTSCTSRate);
-
-- ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
-+ ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding;
- }
-
- static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
-diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
-index 02f5007..bd0bd8f 100644
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -610,7 +610,7 @@ struct ath_hw_private_ops {
-
- /* ANI */
- void (*ani_cache_ini_regs)(struct ath_hw *ah);
--};
-+} __no_const;
-
- /**
- * struct ath_hw_ops - callbacks used by hardware code and driver code
-@@ -640,7 +640,7 @@ struct ath_hw_ops {
- void (*antdiv_comb_conf_set)(struct ath_hw *ah,
- struct ath_hw_antcomb_conf *antconf);
-
--};
-+} __no_const;
-
- struct ath_nf_limits {
- s16 max;
-@@ -660,7 +660,7 @@ enum ath_cal_list {
- #define AH_FASTCC 0x4
-
- struct ath_hw {
-- struct ath_ops reg_ops;
-+ ath_ops_no_const reg_ops;
-
- struct ieee80211_hw *hw;
- struct ath_common common;
-diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
-index af00e2c..ab04d34 100644
---- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
-+++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
-@@ -545,7 +545,7 @@ struct phy_func_ptr {
- void (*carrsuppr)(struct brcms_phy *);
- s32 (*rxsigpwr)(struct brcms_phy *, s32);
- void (*detach)(struct brcms_phy *);
--};
-+} __no_const;
-
- struct brcms_phy {
- struct brcms_phy_pub pubpi_ro;
-diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
-index faec404..a5277f1 100644
---- a/drivers/net/wireless/iwlegacy/3945-mac.c
-+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
-@@ -3611,7 +3611,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
- */
- if (il3945_mod_params.disable_hw_scan) {
- D_INFO("Disabling hw_scan\n");
-- il3945_mac_ops.hw_scan = NULL;
-+ pax_open_kernel();
-+ *(void **)&il3945_mac_ops.hw_scan = NULL;
-+ pax_close_kernel();
- }
-
- D_INFO("*** LOAD DRIVER ***\n");
-diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
-index a0b7cfd..20b49f7 100644
---- a/drivers/net/wireless/mac80211_hwsim.c
-+++ b/drivers/net/wireless/mac80211_hwsim.c
-@@ -1752,9 +1752,11 @@ static int __init init_mac80211_hwsim(void)
- return -EINVAL;
-
- if (fake_hw_scan) {
-- mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
-- mac80211_hwsim_ops.sw_scan_start = NULL;
-- mac80211_hwsim_ops.sw_scan_complete = NULL;
-+ pax_open_kernel();
-+ *(void **)&mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
-+ *(void **)&mac80211_hwsim_ops.sw_scan_start = NULL;
-+ *(void **)&mac80211_hwsim_ops.sw_scan_complete = NULL;
-+ pax_close_kernel();
- }
-
- spin_lock_init(&hwsim_radio_lock);
-diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
-index bd3b0bf..f9db92a 100644
---- a/drivers/net/wireless/mwifiex/main.h
-+++ b/drivers/net/wireless/mwifiex/main.h
-@@ -567,7 +567,7 @@ struct mwifiex_if_ops {
- int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
- int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
- int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
--};
-+} __no_const;
-
- struct mwifiex_adapter {
- u8 iface_type;
-diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
-index dfcd02a..a42a59d 100644
---- a/drivers/net/wireless/rndis_wlan.c
-+++ b/drivers/net/wireless/rndis_wlan.c
-@@ -1235,7 +1235,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
-
- netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
-
-- if (rts_threshold < 0 || rts_threshold > 2347)
-+ if (rts_threshold > 2347)
- rts_threshold = 2347;
-
- tmp = cpu_to_le32(rts_threshold);
-diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
-index 8f75402..eed109d 100644
---- a/drivers/net/wireless/rt2x00/rt2x00.h
-+++ b/drivers/net/wireless/rt2x00/rt2x00.h
-@@ -396,7 +396,7 @@ struct rt2x00_intf {
- * for hardware which doesn't support hardware
- * sequence counting.
- */
-- atomic_t seqno;
-+ atomic_unchecked_t seqno;
- };
-
- static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
-diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
-index 2fd8301..9767e8c 100644
---- a/drivers/net/wireless/rt2x00/rt2x00queue.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
-@@ -240,9 +240,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
- * sequence counter given by mac80211.
- */
- if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
-- seqno = atomic_add_return(0x10, &intf->seqno);
-+ seqno = atomic_add_return_unchecked(0x10, &intf->seqno);
- else
-- seqno = atomic_read(&intf->seqno);
-+ seqno = atomic_read_unchecked(&intf->seqno);
-
- hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(seqno);
-diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h
-index 9d8f581..0f6589e 100644
---- a/drivers/net/wireless/ti/wl1251/wl1251.h
-+++ b/drivers/net/wireless/ti/wl1251/wl1251.h
-@@ -266,7 +266,7 @@ struct wl1251_if_operations {
- void (*reset)(struct wl1251 *wl);
- void (*enable_irq)(struct wl1251 *wl);
- void (*disable_irq)(struct wl1251 *wl);
--};
-+} __no_const;
-
- struct wl1251 {
- struct ieee80211_hw *hw;
-diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
-index 0b3f0b5..62f68bd 100644
---- a/drivers/net/wireless/ti/wlcore/wlcore.h
-+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
-@@ -61,7 +61,7 @@ struct wlcore_ops {
- struct wl12xx_vif *wlvif);
- s8 (*get_pg_ver)(struct wl1271 *wl);
- void (*get_mac)(struct wl1271 *wl);
--};
-+} __no_const;
-
- enum wlcore_partitions {
- PART_DOWN,
-diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
-index f34b5b2..b5abb9f 100644
---- a/drivers/oprofile/buffer_sync.c
-+++ b/drivers/oprofile/buffer_sync.c
-@@ -343,7 +343,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm)
- if (cookie == NO_COOKIE)
- offset = pc;
- if (cookie == INVALID_COOKIE) {
-- atomic_inc(&oprofile_stats.sample_lost_no_mapping);
-+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
- offset = pc;
- }
- if (cookie != last_cookie) {
-@@ -387,14 +387,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel)
- /* add userspace sample */
-
- if (!mm) {
-- atomic_inc(&oprofile_stats.sample_lost_no_mm);
-+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm);
- return 0;
- }
-
- cookie = lookup_dcookie(mm, s->eip, &offset);
-
- if (cookie == INVALID_COOKIE) {
-- atomic_inc(&oprofile_stats.sample_lost_no_mapping);
-+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
- return 0;
- }
-
-@@ -563,7 +563,7 @@ void sync_buffer(int cpu)
- /* ignore backtraces if failed to add a sample */
- if (state == sb_bt_start) {
- state = sb_bt_ignore;
-- atomic_inc(&oprofile_stats.bt_lost_no_mapping);
-+ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping);
- }
- }
- release_mm(mm);
-diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
-index c0cc4e7..44d4e54 100644
---- a/drivers/oprofile/event_buffer.c
-+++ b/drivers/oprofile/event_buffer.c
-@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value)
- }
-
- if (buffer_pos == buffer_size) {
-- atomic_inc(&oprofile_stats.event_lost_overflow);
-+ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow);
- return;
- }
-
-diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
-index ed2c3ec..deda85a 100644
---- a/drivers/oprofile/oprof.c
-+++ b/drivers/oprofile/oprof.c
-@@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work)
- if (oprofile_ops.switch_events())
- return;
-
-- atomic_inc(&oprofile_stats.multiplex_counter);
-+ atomic_inc_unchecked(&oprofile_stats.multiplex_counter);
- start_switch_worker();
- }
-
-diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
-index 917d28e..d62d981 100644
---- a/drivers/oprofile/oprofile_stats.c
-+++ b/drivers/oprofile/oprofile_stats.c
-@@ -30,11 +30,11 @@ void oprofile_reset_stats(void)
- cpu_buf->sample_invalid_eip = 0;
- }
-
-- atomic_set(&oprofile_stats.sample_lost_no_mm, 0);
-- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0);
-- atomic_set(&oprofile_stats.event_lost_overflow, 0);
-- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0);
-- atomic_set(&oprofile_stats.multiplex_counter, 0);
-+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0);
-+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0);
-+ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0);
-+ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0);
-+ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0);
- }
-
-
-diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h
-index 38b6fc0..b5cbfce 100644
---- a/drivers/oprofile/oprofile_stats.h
-+++ b/drivers/oprofile/oprofile_stats.h
-@@ -13,11 +13,11 @@
- #include <linux/atomic.h>
-
- struct oprofile_stat_struct {
-- atomic_t sample_lost_no_mm;
-- atomic_t sample_lost_no_mapping;
-- atomic_t bt_lost_no_mapping;
-- atomic_t event_lost_overflow;
-- atomic_t multiplex_counter;
-+ atomic_unchecked_t sample_lost_no_mm;
-+ atomic_unchecked_t sample_lost_no_mapping;
-+ atomic_unchecked_t bt_lost_no_mapping;
-+ atomic_unchecked_t event_lost_overflow;
-+ atomic_unchecked_t multiplex_counter;
- };
-
- extern struct oprofile_stat_struct oprofile_stats;
-diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
-index 849357c..b83c1e0 100644
---- a/drivers/oprofile/oprofilefs.c
-+++ b/drivers/oprofile/oprofilefs.c
-@@ -185,7 +185,7 @@ static const struct file_operations atomic_ro_fops = {
-
-
- int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root,
-- char const *name, atomic_t *val)
-+ char const *name, atomic_unchecked_t *val)
- {
- return __oprofilefs_create_file(sb, root, name,
- &atomic_ro_fops, 0444, val);
-diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
-index 3f56bc0..707d642 100644
---- a/drivers/parport/procfs.c
-+++ b/drivers/parport/procfs.c
-@@ -64,7 +64,7 @@ static int do_active_device(ctl_table *table, int write,
-
- *ppos += len;
-
-- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
-+ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0;
- }
-
- #ifdef CONFIG_PARPORT_1284
-@@ -106,7 +106,7 @@ static int do_autoprobe(ctl_table *table, int write,
-
- *ppos += len;
-
-- return copy_to_user (result, buffer, len) ? -EFAULT : 0;
-+ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0;
- }
- #endif /* IEEE1284.3 support. */
-
-diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h
-index 9fff878..ad0ad53 100644
---- a/drivers/pci/hotplug/cpci_hotplug.h
-+++ b/drivers/pci/hotplug/cpci_hotplug.h
-@@ -59,7 +59,7 @@ struct cpci_hp_controller_ops {
- int (*hardware_test) (struct slot* slot, u32 value);
- u8 (*get_power) (struct slot* slot);
- int (*set_power) (struct slot* slot, int value);
--};
-+} __no_const;
-
- struct cpci_hp_controller {
- unsigned int irq;
-diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
-index 76ba8a1..20ca857 100644
---- a/drivers/pci/hotplug/cpqphp_nvram.c
-+++ b/drivers/pci/hotplug/cpqphp_nvram.c
-@@ -428,9 +428,13 @@ static u32 store_HRT (void __iomem *rom_start)
-
- void compaq_nvram_init (void __iomem *rom_start)
- {
-+
-+#ifndef CONFIG_PAX_KERNEXEC
- if (rom_start) {
- compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR);
- }
-+#endif
-+
- dbg("int15 entry = %p\n", compaq_int15_entry_point);
-
- /* initialize our int15 lock */
-diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
-index b500840..d7159d3 100644
---- a/drivers/pci/pcie/aspm.c
-+++ b/drivers/pci/pcie/aspm.c
-@@ -27,9 +27,9 @@
- #define MODULE_PARAM_PREFIX "pcie_aspm."
-
- /* Note: those are not register definitions */
--#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */
--#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */
--#define ASPM_STATE_L1 (4) /* L1 state */
-+#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */
-+#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */
-+#define ASPM_STATE_L1 (4U) /* L1 state */
- #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW)
- #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1)
-
-diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
-index 658ac97..05e1b90 100644
---- a/drivers/pci/probe.c
-+++ b/drivers/pci/probe.c
-@@ -137,7 +137,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
- u16 orig_cmd;
- struct pci_bus_region region;
-
-- mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
-+ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0;
-
- if (!dev->mmio_always_on) {
- pci_read_config_word(dev, PCI_COMMAND, &orig_cmd);
-diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
-index 27911b5..5b6db88 100644
---- a/drivers/pci/proc.c
-+++ b/drivers/pci/proc.c
-@@ -476,7 +476,16 @@ static const struct file_operations proc_bus_pci_dev_operations = {
- static int __init pci_proc_init(void)
- {
- struct pci_dev *dev = NULL;
-+
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
-+#endif
-+#else
- proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
-+#endif
- proc_create("devices", 0, proc_bus_pci_dir,
- &proc_bus_pci_dev_operations);
- proc_initialized = 1;
-diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
-index 8b5610d..a4c22bb 100644
---- a/drivers/platform/x86/thinkpad_acpi.c
-+++ b/drivers/platform/x86/thinkpad_acpi.c
-@@ -2094,7 +2094,7 @@ static int hotkey_mask_get(void)
- return 0;
- }
-
--void static hotkey_mask_warn_incomplete_mask(void)
-+static void hotkey_mask_warn_incomplete_mask(void)
- {
- /* log only what the user can fix... */
- const u32 wantedmask = hotkey_driver_mask &
-@@ -2325,11 +2325,6 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
- }
- }
-
--static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
-- struct tp_nvram_state *newn,
-- const u32 event_mask)
--{
--
- #define TPACPI_COMPARE_KEY(__scancode, __member) \
- do { \
- if ((event_mask & (1 << __scancode)) && \
-@@ -2343,36 +2338,42 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- tpacpi_hotkey_send_key(__scancode); \
- } while (0)
-
-- void issue_volchange(const unsigned int oldvol,
-- const unsigned int newvol)
-- {
-- unsigned int i = oldvol;
-+static void issue_volchange(const unsigned int oldvol,
-+ const unsigned int newvol,
-+ const u32 event_mask)
-+{
-+ unsigned int i = oldvol;
-
-- while (i > newvol) {
-- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
-- i--;
-- }
-- while (i < newvol) {
-- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
-- i++;
-- }
-+ while (i > newvol) {
-+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
-+ i--;
- }
-+ while (i < newvol) {
-+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
-+ i++;
-+ }
-+}
-
-- void issue_brightnesschange(const unsigned int oldbrt,
-- const unsigned int newbrt)
-- {
-- unsigned int i = oldbrt;
-+static void issue_brightnesschange(const unsigned int oldbrt,
-+ const unsigned int newbrt,
-+ const u32 event_mask)
-+{
-+ unsigned int i = oldbrt;
-
-- while (i > newbrt) {
-- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
-- i--;
-- }
-- while (i < newbrt) {
-- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
-- i++;
-- }
-+ while (i > newbrt) {
-+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
-+ i--;
-+ }
-+ while (i < newbrt) {
-+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
-+ i++;
- }
-+}
-
-+static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
-+ struct tp_nvram_state *newn,
-+ const u32 event_mask)
-+{
- TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
- TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
- TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle);
-@@ -2406,7 +2407,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- oldn->volume_level != newn->volume_level) {
- /* recently muted, or repeated mute keypress, or
- * multiple presses ending in mute */
-- issue_volchange(oldn->volume_level, newn->volume_level);
-+ issue_volchange(oldn->volume_level, newn->volume_level, event_mask);
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE);
- }
- } else {
-@@ -2416,7 +2417,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
- }
- if (oldn->volume_level != newn->volume_level) {
-- issue_volchange(oldn->volume_level, newn->volume_level);
-+ issue_volchange(oldn->volume_level, newn->volume_level, event_mask);
- } else if (oldn->volume_toggle != newn->volume_toggle) {
- /* repeated vol up/down keypress at end of scale ? */
- if (newn->volume_level == 0)
-@@ -2429,7 +2430,8 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- /* handle brightness */
- if (oldn->brightness_level != newn->brightness_level) {
- issue_brightnesschange(oldn->brightness_level,
-- newn->brightness_level);
-+ newn->brightness_level,
-+ event_mask);
- } else if (oldn->brightness_toggle != newn->brightness_toggle) {
- /* repeated key presses that didn't change state */
- if (newn->brightness_level == 0)
-@@ -2438,10 +2440,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- && !tp_features.bright_unkfw)
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
- }
-+}
-
- #undef TPACPI_COMPARE_KEY
- #undef TPACPI_MAY_SEND_KEY
--}
-
- /*
- * Polling driver
-diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
-index 769d265..a3a05ca 100644
---- a/drivers/pnp/pnpbios/bioscalls.c
-+++ b/drivers/pnp/pnpbios/bioscalls.c
-@@ -58,7 +58,7 @@ do { \
- set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
- } while(0)
-
--static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
-+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
- (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
-
- /*
-@@ -95,7 +95,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
-
- cpu = get_cpu();
- save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8];
-+
-+ pax_open_kernel();
- get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc;
-+ pax_close_kernel();
-
- /* On some boxes IRQ's during PnP BIOS calls are deadly. */
- spin_lock_irqsave(&pnp_bios_lock, flags);
-@@ -133,7 +136,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
- :"memory");
- spin_unlock_irqrestore(&pnp_bios_lock, flags);
-
-+ pax_open_kernel();
- get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40;
-+ pax_close_kernel();
-+
- put_cpu();
-
- /* If we get here and this is set then the PnP BIOS faulted on us. */
-@@ -467,7 +473,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base)
- return status;
- }
-
--void pnpbios_calls_init(union pnp_bios_install_struct *header)
-+void __init pnpbios_calls_init(union pnp_bios_install_struct *header)
- {
- int i;
-
-@@ -475,6 +481,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
- pnp_bios_callpoint.offset = header->fields.pm16offset;
- pnp_bios_callpoint.segment = PNP_CS16;
-
-+ pax_open_kernel();
-+
- for_each_possible_cpu(i) {
- struct desc_struct *gdt = get_cpu_gdt_table(i);
- if (!gdt)
-@@ -486,4 +494,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
- set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS],
- (unsigned long)__va(header->fields.pm16dseg));
- }
-+
-+ pax_close_kernel();
- }
-diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
-index b0ecacb..7c9da2e 100644
---- a/drivers/pnp/resource.c
-+++ b/drivers/pnp/resource.c
-@@ -360,7 +360,7 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
- return 1;
-
- /* check if the resource is valid */
-- if (*irq < 0 || *irq > 15)
-+ if (*irq > 15)
- return 0;
-
- /* check if the resource is reserved */
-@@ -424,7 +424,7 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
- return 1;
-
- /* check if the resource is valid */
-- if (*dma < 0 || *dma == 4 || *dma > 7)
-+ if (*dma == 4 || *dma > 7)
- return 0;
-
- /* check if the resource is reserved */
-diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
-index f5d6d37..739f6a9 100644
---- a/drivers/power/bq27x00_battery.c
-+++ b/drivers/power/bq27x00_battery.c
-@@ -72,7 +72,7 @@
- struct bq27x00_device_info;
- struct bq27x00_access_methods {
- int (*read)(struct bq27x00_device_info *di, u8 reg, bool single);
--};
-+} __no_const;
-
- enum bq27x00_chip { BQ27000, BQ27500 };
-
-diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
-index 8d53174..04c65de 100644
---- a/drivers/regulator/max8660.c
-+++ b/drivers/regulator/max8660.c
-@@ -333,8 +333,10 @@ static int __devinit max8660_probe(struct i2c_client *client,
- max8660->shadow_regs[MAX8660_OVER1] = 5;
- } else {
- /* Otherwise devices can be toggled via software */
-- max8660_dcdc_ops.enable = max8660_dcdc_enable;
-- max8660_dcdc_ops.disable = max8660_dcdc_disable;
-+ pax_open_kernel();
-+ *(void **)&max8660_dcdc_ops.enable = max8660_dcdc_enable;
-+ *(void **)&max8660_dcdc_ops.disable = max8660_dcdc_disable;
-+ pax_close_kernel();
- }
-
- /*
-diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
-index 970a233..ee1f241 100644
---- a/drivers/regulator/mc13892-regulator.c
-+++ b/drivers/regulator/mc13892-regulator.c
-@@ -566,10 +566,12 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
- }
- mc13xxx_unlock(mc13892);
-
-- mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
-+ pax_open_kernel();
-+ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
- = mc13892_vcam_set_mode;
-- mc13892_regulators[MC13892_VCAM].desc.ops->get_mode
-+ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->get_mode
- = mc13892_vcam_get_mode;
-+ pax_close_kernel();
-
- mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
- ARRAY_SIZE(mc13892_regulators));
-diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
-index cace6d3..f623fda 100644
---- a/drivers/rtc/rtc-dev.c
-+++ b/drivers/rtc/rtc-dev.c
-@@ -14,6 +14,7 @@
- #include <linux/module.h>
- #include <linux/rtc.h>
- #include <linux/sched.h>
-+#include <linux/grsecurity.h>
- #include "rtc-core.h"
-
- static dev_t rtc_devt;
-@@ -345,6 +346,8 @@ static long rtc_dev_ioctl(struct file *file,
- if (copy_from_user(&tm, uarg, sizeof(tm)))
- return -EFAULT;
-
-+ gr_log_timechange();
-+
- return rtc_set_time(rtc, &tm);
-
- case RTC_PIE_ON:
-diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
-index 3fcf627..f334910 100644
---- a/drivers/scsi/aacraid/aacraid.h
-+++ b/drivers/scsi/aacraid/aacraid.h
-@@ -492,7 +492,7 @@ struct adapter_ops
- int (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
- /* Administrative operations */
- int (*adapter_comm)(struct aac_dev * dev, int comm);
--};
-+} __no_const;
-
- /*
- * Define which interrupt handler needs to be installed
-diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
-index 0d279c44..3d25a97 100644
---- a/drivers/scsi/aacraid/linit.c
-+++ b/drivers/scsi/aacraid/linit.c
-@@ -93,7 +93,7 @@ static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
- #elif defined(__devinitconst)
- static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
- #else
--static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
-+static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
- #endif
- { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
- { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
-diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
-index ff80552..1c4120c 100644
---- a/drivers/scsi/aic94xx/aic94xx_init.c
-+++ b/drivers/scsi/aic94xx/aic94xx_init.c
-@@ -1012,7 +1012,7 @@ static struct sas_domain_function_template aic94xx_transport_functions = {
- .lldd_ata_set_dmamode = asd_set_dmamode,
- };
-
--static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
-+static const struct pci_device_id aic94xx_pci_table[] __devinitconst = {
- {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
- {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
- {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
-diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
-index 4ad7e36..d004679 100644
---- a/drivers/scsi/bfa/bfa.h
-+++ b/drivers/scsi/bfa/bfa.h
-@@ -196,7 +196,7 @@ struct bfa_hwif_s {
- u32 *end);
- int cpe_vec_q0;
- int rme_vec_q0;
--};
-+} __no_const;
- typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
-
- struct bfa_faa_cbfn_s {
-diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
-index f0f80e2..8ec946b 100644
---- a/drivers/scsi/bfa/bfa_fcpim.c
-+++ b/drivers/scsi/bfa/bfa_fcpim.c
-@@ -3715,7 +3715,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
-
- bfa_iotag_attach(fcp);
-
-- fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp);
-+ fcp->itn_arr = (bfa_itn_s_no_const *) bfa_mem_kva_curp(fcp);
- bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr +
- (fcp->num_itns * sizeof(struct bfa_itn_s));
- memset(fcp->itn_arr, 0,
-@@ -3773,7 +3773,7 @@ bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
- void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m))
- {
- struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
-- struct bfa_itn_s *itn;
-+ bfa_itn_s_no_const *itn;
-
- itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag);
- itn->isr = isr;
-diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
-index 36f26da..38a34a8 100644
---- a/drivers/scsi/bfa/bfa_fcpim.h
-+++ b/drivers/scsi/bfa/bfa_fcpim.h
-@@ -37,6 +37,7 @@ struct bfa_iotag_s {
- struct bfa_itn_s {
- bfa_isr_func_t isr;
- };
-+typedef struct bfa_itn_s __no_const bfa_itn_s_no_const;
-
- void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
- void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m));
-@@ -147,7 +148,7 @@ struct bfa_fcp_mod_s {
- struct list_head iotag_tio_free_q; /* free IO resources */
- struct list_head iotag_unused_q; /* unused IO resources*/
- struct bfa_iotag_s *iotag_arr;
-- struct bfa_itn_s *itn_arr;
-+ bfa_itn_s_no_const *itn_arr;
- int num_ioim_reqs;
- int num_fwtio_reqs;
- int num_itns;
-diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
-index 1a99d4b..e85d64b 100644
---- a/drivers/scsi/bfa/bfa_ioc.h
-+++ b/drivers/scsi/bfa/bfa_ioc.h
-@@ -258,7 +258,7 @@ struct bfa_ioc_cbfn_s {
- bfa_ioc_disable_cbfn_t disable_cbfn;
- bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
- bfa_ioc_reset_cbfn_t reset_cbfn;
--};
-+} __no_const;
-
- /*
- * IOC event notification mechanism.
-@@ -346,7 +346,7 @@ struct bfa_ioc_hwif_s {
- void (*ioc_sync_ack) (struct bfa_ioc_s *ioc);
- bfa_boolean_t (*ioc_sync_complete) (struct bfa_ioc_s *ioc);
- bfa_boolean_t (*ioc_lpu_read_stat) (struct bfa_ioc_s *ioc);
--};
-+} __no_const;
-
- /*
- * Queue element to wait for room in request queue. FIFO order is
-diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
-index b48c24f..dac0fbc 100644
---- a/drivers/scsi/hosts.c
-+++ b/drivers/scsi/hosts.c
-@@ -42,7 +42,7 @@
- #include "scsi_logging.h"
-
-
--static atomic_t scsi_host_next_hn; /* host_no for next new host */
-+static atomic_unchecked_t scsi_host_next_hn; /* host_no for next new host */
-
-
- static void scsi_host_cls_release(struct device *dev)
-@@ -361,7 +361,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
- * subtract one because we increment first then return, but we need to
- * know what the next host number was before increment
- */
-- shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1;
-+ shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1;
- shost->dma_channel = 0xff;
-
- /* These three are default values which can be overridden */
-diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
-index 796482b..d08435c 100644
---- a/drivers/scsi/hpsa.c
-+++ b/drivers/scsi/hpsa.c
-@@ -536,7 +536,7 @@ static inline u32 next_command(struct ctlr_info *h, u8 q)
- unsigned long flags;
-
- if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
-- return h->access.command_completed(h, q);
-+ return h->access->command_completed(h, q);
-
- if ((rq->head[rq->current_entry] & 1) == rq->wraparound) {
- a = rq->head[rq->current_entry];
-@@ -3354,7 +3354,7 @@ static void start_io(struct ctlr_info *h)
- while (!list_empty(&h->reqQ)) {
- c = list_entry(h->reqQ.next, struct CommandList, list);
- /* can't do anything if fifo is full */
-- if ((h->access.fifo_full(h))) {
-+ if ((h->access->fifo_full(h))) {
- dev_warn(&h->pdev->dev, "fifo full\n");
- break;
- }
-@@ -3376,7 +3376,7 @@ static void start_io(struct ctlr_info *h)
-
- /* Tell the controller execute command */
- spin_unlock_irqrestore(&h->lock, flags);
-- h->access.submit_command(h, c);
-+ h->access->submit_command(h, c);
- spin_lock_irqsave(&h->lock, flags);
- }
- spin_unlock_irqrestore(&h->lock, flags);
-@@ -3384,17 +3384,17 @@ static void start_io(struct ctlr_info *h)
-
- static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q)
- {
-- return h->access.command_completed(h, q);
-+ return h->access->command_completed(h, q);
- }
-
- static inline bool interrupt_pending(struct ctlr_info *h)
- {
-- return h->access.intr_pending(h);
-+ return h->access->intr_pending(h);
- }
-
- static inline long interrupt_not_for_us(struct ctlr_info *h)
- {
-- return (h->access.intr_pending(h) == 0) ||
-+ return (h->access->intr_pending(h) == 0) ||
- (h->interrupts_enabled == 0);
- }
-
-@@ -4298,7 +4298,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
- if (prod_index < 0)
- return -ENODEV;
- h->product_name = products[prod_index].product_name;
-- h->access = *(products[prod_index].access);
-+ h->access = products[prod_index].access;
-
- pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
- PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
-@@ -4580,7 +4580,7 @@ static void controller_lockup_detected(struct ctlr_info *h)
-
- assert_spin_locked(&lockup_detector_lock);
- remove_ctlr_from_lockup_detector_list(h);
-- h->access.set_intr_mask(h, HPSA_INTR_OFF);
-+ h->access->set_intr_mask(h, HPSA_INTR_OFF);
- spin_lock_irqsave(&h->lock, flags);
- h->lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
- spin_unlock_irqrestore(&h->lock, flags);
-@@ -4758,7 +4758,7 @@ reinit_after_soft_reset:
- }
-
- /* make sure the board interrupts are off */
-- h->access.set_intr_mask(h, HPSA_INTR_OFF);
-+ h->access->set_intr_mask(h, HPSA_INTR_OFF);
-
- if (hpsa_request_irq(h, do_hpsa_intr_msi, do_hpsa_intr_intx))
- goto clean2;
-@@ -4792,7 +4792,7 @@ reinit_after_soft_reset:
- * fake ones to scoop up any residual completions.
- */
- spin_lock_irqsave(&h->lock, flags);
-- h->access.set_intr_mask(h, HPSA_INTR_OFF);
-+ h->access->set_intr_mask(h, HPSA_INTR_OFF);
- spin_unlock_irqrestore(&h->lock, flags);
- free_irqs(h);
- rc = hpsa_request_irq(h, hpsa_msix_discard_completions,
-@@ -4811,9 +4811,9 @@ reinit_after_soft_reset:
- dev_info(&h->pdev->dev, "Board READY.\n");
- dev_info(&h->pdev->dev,
- "Waiting for stale completions to drain.\n");
-- h->access.set_intr_mask(h, HPSA_INTR_ON);
-+ h->access->set_intr_mask(h, HPSA_INTR_ON);
- msleep(10000);
-- h->access.set_intr_mask(h, HPSA_INTR_OFF);
-+ h->access->set_intr_mask(h, HPSA_INTR_OFF);
-
- rc = controller_reset_failed(h->cfgtable);
- if (rc)
-@@ -4834,7 +4834,7 @@ reinit_after_soft_reset:
- }
-
- /* Turn the interrupts on so we can service requests */
-- h->access.set_intr_mask(h, HPSA_INTR_ON);
-+ h->access->set_intr_mask(h, HPSA_INTR_ON);
-
- hpsa_hba_inquiry(h);
- hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */
-@@ -4886,7 +4886,7 @@ static void hpsa_shutdown(struct pci_dev *pdev)
- * To write all data in the battery backed cache to disks
- */
- hpsa_flush_cache(h);
-- h->access.set_intr_mask(h, HPSA_INTR_OFF);
-+ h->access->set_intr_mask(h, HPSA_INTR_OFF);
- hpsa_free_irqs_and_disable_msix(h);
- }
-
-@@ -5055,7 +5055,7 @@ static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h,
- return;
- }
- /* Change the access methods to the performant access methods */
-- h->access = SA5_performant_access;
-+ h->access = &SA5_performant_access;
- h->transMethod = CFGTBL_Trans_Performant;
- }
-
-diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
-index 9816479..c5d4e97 100644
---- a/drivers/scsi/hpsa.h
-+++ b/drivers/scsi/hpsa.h
-@@ -79,7 +79,7 @@ struct ctlr_info {
- unsigned int msix_vector;
- unsigned int msi_vector;
- int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
-- struct access_method access;
-+ struct access_method *access;
-
- /* queue and queue Info */
- struct list_head reqQ;
-diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
-index f2df059..a3a9930 100644
---- a/drivers/scsi/ips.h
-+++ b/drivers/scsi/ips.h
-@@ -1027,7 +1027,7 @@ typedef struct {
- int (*intr)(struct ips_ha *);
- void (*enableint)(struct ips_ha *);
- uint32_t (*statupd)(struct ips_ha *);
--} ips_hw_func_t;
-+} __no_const ips_hw_func_t;
-
- typedef struct ips_ha {
- uint8_t ha_id[IPS_MAX_CHANNELS+1];
-diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
-index aceffad..c35c08d 100644
---- a/drivers/scsi/libfc/fc_exch.c
-+++ b/drivers/scsi/libfc/fc_exch.c
-@@ -105,12 +105,12 @@ struct fc_exch_mgr {
- * all together if not used XXX
- */
- struct {
-- atomic_t no_free_exch;
-- atomic_t no_free_exch_xid;
-- atomic_t xid_not_found;
-- atomic_t xid_busy;
-- atomic_t seq_not_found;
-- atomic_t non_bls_resp;
-+ atomic_unchecked_t no_free_exch;
-+ atomic_unchecked_t no_free_exch_xid;
-+ atomic_unchecked_t xid_not_found;
-+ atomic_unchecked_t xid_busy;
-+ atomic_unchecked_t seq_not_found;
-+ atomic_unchecked_t non_bls_resp;
- } stats;
- };
-
-@@ -719,7 +719,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,
- /* allocate memory for exchange */
- ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC);
- if (!ep) {
-- atomic_inc(&mp->stats.no_free_exch);
-+ atomic_inc_unchecked(&mp->stats.no_free_exch);
- goto out;
- }
- memset(ep, 0, sizeof(*ep));
-@@ -780,7 +780,7 @@ out:
- return ep;
- err:
- spin_unlock_bh(&pool->lock);
-- atomic_inc(&mp->stats.no_free_exch_xid);
-+ atomic_inc_unchecked(&mp->stats.no_free_exch_xid);
- mempool_free(ep, mp->ep_pool);
- return NULL;
- }
-@@ -923,7 +923,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
- xid = ntohs(fh->fh_ox_id); /* we originated exch */
- ep = fc_exch_find(mp, xid);
- if (!ep) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- reject = FC_RJT_OX_ID;
- goto out;
- }
-@@ -953,7 +953,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
- ep = fc_exch_find(mp, xid);
- if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) {
- if (ep) {
-- atomic_inc(&mp->stats.xid_busy);
-+ atomic_inc_unchecked(&mp->stats.xid_busy);
- reject = FC_RJT_RX_ID;
- goto rel;
- }
-@@ -964,7 +964,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
- }
- xid = ep->xid; /* get our XID */
- } else if (!ep) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- reject = FC_RJT_RX_ID; /* XID not found */
- goto out;
- }
-@@ -981,7 +981,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
- } else {
- sp = &ep->seq;
- if (sp->id != fh->fh_seq_id) {
-- atomic_inc(&mp->stats.seq_not_found);
-+ atomic_inc_unchecked(&mp->stats.seq_not_found);
- if (f_ctl & FC_FC_END_SEQ) {
- /*
- * Update sequence_id based on incoming last
-@@ -1431,22 +1431,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
-
- ep = fc_exch_find(mp, ntohs(fh->fh_ox_id));
- if (!ep) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- goto out;
- }
- if (ep->esb_stat & ESB_ST_COMPLETE) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- goto rel;
- }
- if (ep->rxid == FC_XID_UNKNOWN)
- ep->rxid = ntohs(fh->fh_rx_id);
- if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- goto rel;
- }
- if (ep->did != ntoh24(fh->fh_s_id) &&
- ep->did != FC_FID_FLOGI) {
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- goto rel;
- }
- sof = fr_sof(fp);
-@@ -1455,7 +1455,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
- sp->ssb_stat |= SSB_ST_RESP;
- sp->id = fh->fh_seq_id;
- } else if (sp->id != fh->fh_seq_id) {
-- atomic_inc(&mp->stats.seq_not_found);
-+ atomic_inc_unchecked(&mp->stats.seq_not_found);
- goto rel;
- }
-
-@@ -1519,9 +1519,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
- sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */
-
- if (!sp)
-- atomic_inc(&mp->stats.xid_not_found);
-+ atomic_inc_unchecked(&mp->stats.xid_not_found);
- else
-- atomic_inc(&mp->stats.non_bls_resp);
-+ atomic_inc_unchecked(&mp->stats.non_bls_resp);
-
- fc_frame_free(fp);
- }
-diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
-index d109cc3..09f4e7d 100644
---- a/drivers/scsi/libsas/sas_ata.c
-+++ b/drivers/scsi/libsas/sas_ata.c
-@@ -529,7 +529,7 @@ static struct ata_port_operations sas_sata_ops = {
- .postreset = ata_std_postreset,
- .error_handler = ata_std_error_handler,
- .post_internal_cmd = sas_ata_post_internal,
-- .qc_defer = ata_std_qc_defer,
-+ .qc_defer = ata_std_qc_defer,
- .qc_prep = ata_noop_qc_prep,
- .qc_issue = sas_ata_qc_issue,
- .qc_fill_rtf = sas_ata_qc_fill_rtf,
-diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile
-index fe5d396..e93d526 100644
---- a/drivers/scsi/lpfc/Makefile
-+++ b/drivers/scsi/lpfc/Makefile
-@@ -22,7 +22,7 @@
- ccflags-$(GCOV) := -fprofile-arcs -ftest-coverage
- ccflags-$(GCOV) += -O0
-
--ccflags-y += -Werror
-+#ccflags-y += -Werror
-
- obj-$(CONFIG_SCSI_LPFC) := lpfc.o
-
-diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
-index e5da6da..c888d48 100644
---- a/drivers/scsi/lpfc/lpfc.h
-+++ b/drivers/scsi/lpfc/lpfc.h
-@@ -416,7 +416,7 @@ struct lpfc_vport {
- struct dentry *debug_nodelist;
- struct dentry *vport_debugfs_root;
- struct lpfc_debugfs_trc *disc_trc;
-- atomic_t disc_trc_cnt;
-+ atomic_unchecked_t disc_trc_cnt;
- #endif
- uint8_t stat_data_enabled;
- uint8_t stat_data_blocked;
-@@ -830,8 +830,8 @@ struct lpfc_hba {
- struct timer_list fabric_block_timer;
- unsigned long bit_flags;
- #define FABRIC_COMANDS_BLOCKED 0
-- atomic_t num_rsrc_err;
-- atomic_t num_cmd_success;
-+ atomic_unchecked_t num_rsrc_err;
-+ atomic_unchecked_t num_cmd_success;
- unsigned long last_rsrc_error_time;
- unsigned long last_ramp_down_time;
- unsigned long last_ramp_up_time;
-@@ -867,7 +867,7 @@ struct lpfc_hba {
-
- struct dentry *debug_slow_ring_trc;
- struct lpfc_debugfs_trc *slow_ring_trc;
-- atomic_t slow_ring_trc_cnt;
-+ atomic_unchecked_t slow_ring_trc_cnt;
- /* iDiag debugfs sub-directory */
- struct dentry *idiag_root;
- struct dentry *idiag_pci_cfg;
-diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
-index 3217d63..c417981 100644
---- a/drivers/scsi/lpfc/lpfc_debugfs.c
-+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
-@@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
-
- #include <linux/debugfs.h>
-
--static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
-+static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
- static unsigned long lpfc_debugfs_start_time = 0L;
-
- /* iDiag */
-@@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
- lpfc_debugfs_enable = 0;
-
- len = 0;
-- index = (atomic_read(&vport->disc_trc_cnt) + 1) &
-+ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) &
- (lpfc_debugfs_max_disc_trc - 1);
- for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
- dtp = vport->disc_trc + i;
-@@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
- lpfc_debugfs_enable = 0;
-
- len = 0;
-- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
-+ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) &
- (lpfc_debugfs_max_slow_ring_trc - 1);
- for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
- dtp = phba->slow_ring_trc + i;
-@@ -636,14 +636,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
- !vport || !vport->disc_trc)
- return;
-
-- index = atomic_inc_return(&vport->disc_trc_cnt) &
-+ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) &
- (lpfc_debugfs_max_disc_trc - 1);
- dtp = vport->disc_trc + index;
- dtp->fmt = fmt;
- dtp->data1 = data1;
- dtp->data2 = data2;
- dtp->data3 = data3;
-- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
-+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
- dtp->jif = jiffies;
- #endif
- return;
-@@ -674,14 +674,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
- !phba || !phba->slow_ring_trc)
- return;
-
-- index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
-+ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) &
- (lpfc_debugfs_max_slow_ring_trc - 1);
- dtp = phba->slow_ring_trc + index;
- dtp->fmt = fmt;
- dtp->data1 = data1;
- dtp->data2 = data2;
- dtp->data3 = data3;
-- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
-+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
- dtp->jif = jiffies;
- #endif
- return;
-@@ -4090,7 +4090,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
- "slow_ring buffer\n");
- goto debug_failed;
- }
-- atomic_set(&phba->slow_ring_trc_cnt, 0);
-+ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0);
- memset(phba->slow_ring_trc, 0,
- (sizeof(struct lpfc_debugfs_trc) *
- lpfc_debugfs_max_slow_ring_trc));
-@@ -4136,7 +4136,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
- "buffer\n");
- goto debug_failed;
- }
-- atomic_set(&vport->disc_trc_cnt, 0);
-+ atomic_set_unchecked(&vport->disc_trc_cnt, 0);
-
- snprintf(name, sizeof(name), "discovery_trace");
- vport->debug_disc_trc =
-diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
-index 411ed48..967f553 100644
---- a/drivers/scsi/lpfc/lpfc_init.c
-+++ b/drivers/scsi/lpfc/lpfc_init.c
-@@ -10341,8 +10341,10 @@ lpfc_init(void)
- "misc_register returned with status %d", error);
-
- if (lpfc_enable_npiv) {
-- lpfc_transport_functions.vport_create = lpfc_vport_create;
-- lpfc_transport_functions.vport_delete = lpfc_vport_delete;
-+ pax_open_kernel();
-+ *(void **)&lpfc_transport_functions.vport_create = lpfc_vport_create;
-+ *(void **)&lpfc_transport_functions.vport_delete = lpfc_vport_delete;
-+ pax_close_kernel();
- }
- lpfc_transport_template =
- fc_attach_transport(&lpfc_transport_functions);
-diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
-index 66e0906..1620281 100644
---- a/drivers/scsi/lpfc/lpfc_scsi.c
-+++ b/drivers/scsi/lpfc/lpfc_scsi.c
-@@ -311,7 +311,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
- uint32_t evt_posted;
-
- spin_lock_irqsave(&phba->hbalock, flags);
-- atomic_inc(&phba->num_rsrc_err);
-+ atomic_inc_unchecked(&phba->num_rsrc_err);
- phba->last_rsrc_error_time = jiffies;
-
- if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) {
-@@ -352,7 +352,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport,
- unsigned long flags;
- struct lpfc_hba *phba = vport->phba;
- uint32_t evt_posted;
-- atomic_inc(&phba->num_cmd_success);
-+ atomic_inc_unchecked(&phba->num_cmd_success);
-
- if (vport->cfg_lun_queue_depth <= queue_depth)
- return;
-@@ -396,8 +396,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
- unsigned long num_rsrc_err, num_cmd_success;
- int i;
-
-- num_rsrc_err = atomic_read(&phba->num_rsrc_err);
-- num_cmd_success = atomic_read(&phba->num_cmd_success);
-+ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err);
-+ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success);
-
- /*
- * The error and success command counters are global per
-@@ -425,8 +425,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
- }
- }
- lpfc_destroy_vport_work_array(phba, vports);
-- atomic_set(&phba->num_rsrc_err, 0);
-- atomic_set(&phba->num_cmd_success, 0);
-+ atomic_set_unchecked(&phba->num_rsrc_err, 0);
-+ atomic_set_unchecked(&phba->num_cmd_success, 0);
- }
-
- /**
-@@ -460,8 +460,8 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
- }
- }
- lpfc_destroy_vport_work_array(phba, vports);
-- atomic_set(&phba->num_rsrc_err, 0);
-- atomic_set(&phba->num_cmd_success, 0);
-+ atomic_set_unchecked(&phba->num_rsrc_err, 0);
-+ atomic_set_unchecked(&phba->num_cmd_success, 0);
- }
-
- /**
-diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
-index ea8a0b4..812a124 100644
---- a/drivers/scsi/pmcraid.c
-+++ b/drivers/scsi/pmcraid.c
-@@ -200,8 +200,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
- res->scsi_dev = scsi_dev;
- scsi_dev->hostdata = res;
- res->change_detected = 0;
-- atomic_set(&res->read_failures, 0);
-- atomic_set(&res->write_failures, 0);
-+ atomic_set_unchecked(&res->read_failures, 0);
-+ atomic_set_unchecked(&res->write_failures, 0);
- rc = 0;
- }
- spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags);
-@@ -2676,9 +2676,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
-
- /* If this was a SCSI read/write command keep count of errors */
- if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD)
-- atomic_inc(&res->read_failures);
-+ atomic_inc_unchecked(&res->read_failures);
- else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD)
-- atomic_inc(&res->write_failures);
-+ atomic_inc_unchecked(&res->write_failures);
-
- if (!RES_IS_GSCSI(res->cfg_entry) &&
- masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) {
-@@ -3534,7 +3534,7 @@ static int pmcraid_queuecommand_lck(
- * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
- * hrrq_id assigned here in queuecommand
- */
-- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
-+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
- pinstance->num_hrrq;
- cmd->cmd_done = pmcraid_io_done;
-
-@@ -3859,7 +3859,7 @@ static long pmcraid_ioctl_passthrough(
- * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
- * hrrq_id assigned here in queuecommand
- */
-- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
-+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
- pinstance->num_hrrq;
-
- if (request_size) {
-@@ -4497,7 +4497,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
-
- pinstance = container_of(workp, struct pmcraid_instance, worker_q);
- /* add resources only after host is added into system */
-- if (!atomic_read(&pinstance->expose_resources))
-+ if (!atomic_read_unchecked(&pinstance->expose_resources))
- return;
-
- fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
-@@ -5331,8 +5331,8 @@ static int __devinit pmcraid_init_instance(
- init_waitqueue_head(&pinstance->reset_wait_q);
-
- atomic_set(&pinstance->outstanding_cmds, 0);
-- atomic_set(&pinstance->last_message_id, 0);
-- atomic_set(&pinstance->expose_resources, 0);
-+ atomic_set_unchecked(&pinstance->last_message_id, 0);
-+ atomic_set_unchecked(&pinstance->expose_resources, 0);
-
- INIT_LIST_HEAD(&pinstance->free_res_q);
- INIT_LIST_HEAD(&pinstance->used_res_q);
-@@ -6047,7 +6047,7 @@ static int __devinit pmcraid_probe(
- /* Schedule worker thread to handle CCN and take care of adding and
- * removing devices to OS
- */
-- atomic_set(&pinstance->expose_resources, 1);
-+ atomic_set_unchecked(&pinstance->expose_resources, 1);
- schedule_work(&pinstance->worker_q);
- return rc;
-
-diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
-index e1d150f..6c6df44 100644
---- a/drivers/scsi/pmcraid.h
-+++ b/drivers/scsi/pmcraid.h
-@@ -748,7 +748,7 @@ struct pmcraid_instance {
- struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS];
-
- /* Message id as filled in last fired IOARCB, used to identify HRRQ */
-- atomic_t last_message_id;
-+ atomic_unchecked_t last_message_id;
-
- /* configuration table */
- struct pmcraid_config_table *cfg_table;
-@@ -777,7 +777,7 @@ struct pmcraid_instance {
- atomic_t outstanding_cmds;
-
- /* should add/delete resources to mid-layer now ?*/
-- atomic_t expose_resources;
-+ atomic_unchecked_t expose_resources;
-
-
-
-@@ -813,8 +813,8 @@ struct pmcraid_resource_entry {
- struct pmcraid_config_table_entry_ext cfg_entry_ext;
- };
- struct scsi_device *scsi_dev; /* Link scsi_device structure */
-- atomic_t read_failures; /* count of failed READ commands */
-- atomic_t write_failures; /* count of failed WRITE commands */
-+ atomic_unchecked_t read_failures; /* count of failed READ commands */
-+ atomic_unchecked_t write_failures; /* count of failed WRITE commands */
-
- /* To indicate add/delete/modify during CCN */
- u8 change_detected;
-diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
-index 5ab9530..2dd80f7 100644
---- a/drivers/scsi/qla2xxx/qla_attr.c
-+++ b/drivers/scsi/qla2xxx/qla_attr.c
-@@ -1855,7 +1855,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
- return 0;
- }
-
--struct fc_function_template qla2xxx_transport_functions = {
-+fc_function_template_no_const qla2xxx_transport_functions = {
-
- .show_host_node_name = 1,
- .show_host_port_name = 1,
-@@ -1902,7 +1902,7 @@ struct fc_function_template qla2xxx_transport_functions = {
- .bsg_timeout = qla24xx_bsg_timeout,
- };
-
--struct fc_function_template qla2xxx_transport_vport_functions = {
-+fc_function_template_no_const qla2xxx_transport_vport_functions = {
-
- .show_host_node_name = 1,
- .show_host_port_name = 1,
-diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
-index 39007f5..7fafc64 100644
---- a/drivers/scsi/qla2xxx/qla_def.h
-+++ b/drivers/scsi/qla2xxx/qla_def.h
-@@ -2284,7 +2284,7 @@ struct isp_operations {
- int (*start_scsi) (srb_t *);
- int (*abort_isp) (struct scsi_qla_host *);
- int (*iospace_config)(struct qla_hw_data*);
--};
-+} __no_const;
-
- /* MSI-X Support *************************************************************/
-
-diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
-index 9eacd2d..d79629c 100644
---- a/drivers/scsi/qla2xxx/qla_gbl.h
-+++ b/drivers/scsi/qla2xxx/qla_gbl.h
-@@ -484,8 +484,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *);
- struct device_attribute;
- extern struct device_attribute *qla2x00_host_attrs[];
- struct fc_function_template;
--extern struct fc_function_template qla2xxx_transport_functions;
--extern struct fc_function_template qla2xxx_transport_vport_functions;
-+extern fc_function_template_no_const qla2xxx_transport_functions;
-+extern fc_function_template_no_const qla2xxx_transport_vport_functions;
- extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
- extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
- extern void qla2x00_init_host_attr(scsi_qla_host_t *);
-diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
-index 96a5616..eeb185a 100644
---- a/drivers/scsi/qla4xxx/ql4_def.h
-+++ b/drivers/scsi/qla4xxx/ql4_def.h
-@@ -268,7 +268,7 @@ struct ddb_entry {
- * (4000 only) */
- atomic_t relogin_timer; /* Max Time to wait for
- * relogin to complete */
-- atomic_t relogin_retry_count; /* Num of times relogin has been
-+ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been
- * retried */
- uint32_t default_time2wait; /* Default Min time between
- * relogins (+aens) */
-diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
-index cd15678..f7e6846 100644
---- a/drivers/scsi/qla4xxx/ql4_os.c
-+++ b/drivers/scsi/qla4xxx/ql4_os.c
-@@ -2615,12 +2615,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
- */
- if (!iscsi_is_session_online(cls_sess)) {
- /* Reset retry relogin timer */
-- atomic_inc(&ddb_entry->relogin_retry_count);
-+ atomic_inc_unchecked(&ddb_entry->relogin_retry_count);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: index[%d] relogin timed out-retrying"
- " relogin (%d), retry (%d)\n", __func__,
- ddb_entry->fw_ddb_index,
-- atomic_read(&ddb_entry->relogin_retry_count),
-+ atomic_read_unchecked(&ddb_entry->relogin_retry_count),
- ddb_entry->default_time2wait + 4));
- set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
- atomic_set(&ddb_entry->retry_relogin_timer,
-@@ -4517,7 +4517,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
-
- atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
- atomic_set(&ddb_entry->relogin_timer, 0);
-- atomic_set(&ddb_entry->relogin_retry_count, 0);
-+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0);
- def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
- ddb_entry->default_relogin_timeout =
- (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
-diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
-index bbbc9c9..ce22f77 100644
---- a/drivers/scsi/scsi.c
-+++ b/drivers/scsi/scsi.c
-@@ -659,7 +659,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
- unsigned long timeout;
- int rtn = 0;
-
-- atomic_inc(&cmd->device->iorequest_cnt);
-+ atomic_inc_unchecked(&cmd->device->iorequest_cnt);
-
- /* check if the device is still usable */
- if (unlikely(cmd->device->sdev_state == SDEV_DEL)) {
-diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
-index 495db80..fb37d59 100644
---- a/drivers/scsi/scsi_lib.c
-+++ b/drivers/scsi/scsi_lib.c
-@@ -1422,7 +1422,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
- shost = sdev->host;
- scsi_init_cmd_errh(cmd);
- cmd->result = DID_NO_CONNECT << 16;
-- atomic_inc(&cmd->device->iorequest_cnt);
-+ atomic_inc_unchecked(&cmd->device->iorequest_cnt);
-
- /*
- * SCSI request completion path will do scsi_device_unbusy(),
-@@ -1448,9 +1448,9 @@ static void scsi_softirq_done(struct request *rq)
-
- INIT_LIST_HEAD(&cmd->eh_entry);
-
-- atomic_inc(&cmd->device->iodone_cnt);
-+ atomic_inc_unchecked(&cmd->device->iodone_cnt);
- if (cmd->result)
-- atomic_inc(&cmd->device->ioerr_cnt);
-+ atomic_inc_unchecked(&cmd->device->ioerr_cnt);
-
- disposition = scsi_decide_disposition(cmd);
- if (disposition != SUCCESS &&
-diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
-index bb7c482..7551a95 100644
---- a/drivers/scsi/scsi_sysfs.c
-+++ b/drivers/scsi/scsi_sysfs.c
-@@ -660,7 +660,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \
- char *buf) \
- { \
- struct scsi_device *sdev = to_scsi_device(dev); \
-- unsigned long long count = atomic_read(&sdev->field); \
-+ unsigned long long count = atomic_read_unchecked(&sdev->field); \
- return snprintf(buf, 20, "0x%llx\n", count); \
- } \
- static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)
-diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
-index 84a1fdf..693b0d6 100644
---- a/drivers/scsi/scsi_tgt_lib.c
-+++ b/drivers/scsi/scsi_tgt_lib.c
-@@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
- int err;
-
- dprintk("%lx %u\n", uaddr, len);
-- err = blk_rq_map_user(q, rq, NULL, (void *)uaddr, len, GFP_KERNEL);
-+ err = blk_rq_map_user(q, rq, NULL, (void __user *)uaddr, len, GFP_KERNEL);
- if (err) {
- /*
- * TODO: need to fixup sg_tablesize, max_segment_size,
-diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
-index 5797604..289a5b5 100644
---- a/drivers/scsi/scsi_transport_fc.c
-+++ b/drivers/scsi/scsi_transport_fc.c
-@@ -498,7 +498,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class,
- * Netlink Infrastructure
- */
-
--static atomic_t fc_event_seq;
-+static atomic_unchecked_t fc_event_seq;
-
- /**
- * fc_get_event_number - Obtain the next sequential FC event number
-@@ -511,7 +511,7 @@ static atomic_t fc_event_seq;
- u32
- fc_get_event_number(void)
- {
-- return atomic_add_return(1, &fc_event_seq);
-+ return atomic_add_return_unchecked(1, &fc_event_seq);
- }
- EXPORT_SYMBOL(fc_get_event_number);
-
-@@ -659,7 +659,7 @@ static __init int fc_transport_init(void)
- {
- int error;
-
-- atomic_set(&fc_event_seq, 0);
-+ atomic_set_unchecked(&fc_event_seq, 0);
-
- error = transport_class_register(&fc_host_class);
- if (error)
-@@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val)
- char *cp;
-
- *val = simple_strtoul(buf, &cp, 0);
-- if ((*cp && (*cp != '\n')) || (*val < 0))
-+ if (*cp && (*cp != '\n'))
- return -EINVAL;
- /*
- * Check for overflow; dev_loss_tmo is u32
-diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
-index 1cf640e..78e9014 100644
---- a/drivers/scsi/scsi_transport_iscsi.c
-+++ b/drivers/scsi/scsi_transport_iscsi.c
-@@ -79,7 +79,7 @@ struct iscsi_internal {
- struct transport_container session_cont;
- };
-
--static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
-+static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */
- static struct workqueue_struct *iscsi_eh_timer_workq;
-
- static DEFINE_IDA(iscsi_sess_ida);
-@@ -1064,7 +1064,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
- int err;
-
- ihost = shost->shost_data;
-- session->sid = atomic_add_return(1, &iscsi_session_nr);
-+ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr);
-
- if (target_id == ISCSI_MAX_TARGET) {
- id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL);
-@@ -2940,7 +2940,7 @@ static __init int iscsi_transport_init(void)
- printk(KERN_INFO "Loading iSCSI transport class v%s.\n",
- ISCSI_TRANSPORT_VERSION);
-
-- atomic_set(&iscsi_session_nr, 0);
-+ atomic_set_unchecked(&iscsi_session_nr, 0);
-
- err = class_register(&iscsi_transport_class);
- if (err)
-diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
-index 21a045e..ec89e03 100644
---- a/drivers/scsi/scsi_transport_srp.c
-+++ b/drivers/scsi/scsi_transport_srp.c
-@@ -33,7 +33,7 @@
- #include "scsi_transport_srp_internal.h"
-
- struct srp_host_attrs {
-- atomic_t next_port_id;
-+ atomic_unchecked_t next_port_id;
- };
- #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data)
-
-@@ -62,7 +62,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev,
- struct Scsi_Host *shost = dev_to_shost(dev);
- struct srp_host_attrs *srp_host = to_srp_host_attrs(shost);
-
-- atomic_set(&srp_host->next_port_id, 0);
-+ atomic_set_unchecked(&srp_host->next_port_id, 0);
- return 0;
- }
-
-@@ -211,7 +211,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost,
- memcpy(rport->port_id, ids->port_id, sizeof(rport->port_id));
- rport->roles = ids->roles;
-
-- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id);
-+ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id);
- dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id);
-
- transport_setup_device(&rport->dev);
-diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
-index 9c5c5f2..8414557 100644
---- a/drivers/scsi/sg.c
-+++ b/drivers/scsi/sg.c
-@@ -1101,7 +1101,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
- sdp->disk->disk_name,
- MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
- NULL,
-- (char *)arg);
-+ (char __user *)arg);
- case BLKTRACESTART:
- return blk_trace_startstop(sdp->device->request_queue, 1);
- case BLKTRACESTOP:
-diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
-index 1041cb8..4a946fa 100644
---- a/drivers/spi/spi.c
-+++ b/drivers/spi/spi.c
-@@ -1453,7 +1453,7 @@ int spi_bus_unlock(struct spi_master *master)
- EXPORT_SYMBOL_GPL(spi_bus_unlock);
-
- /* portable code must never pass more than 32 bytes */
--#define SPI_BUFSIZ max(32,SMP_CACHE_BYTES)
-+#define SPI_BUFSIZ max(32UL,SMP_CACHE_BYTES)
-
- static u8 *buf;
-
-diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
-index 34afc16..ffe44dd 100644
---- a/drivers/staging/octeon/ethernet-rx.c
-+++ b/drivers/staging/octeon/ethernet-rx.c
-@@ -421,11 +421,11 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
- /* Increment RX stats for virtual ports */
- if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) {
- #ifdef CONFIG_64BIT
-- atomic64_add(1, (atomic64_t *)&priv->stats.rx_packets);
-- atomic64_add(skb->len, (atomic64_t *)&priv->stats.rx_bytes);
-+ atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_packets);
-+ atomic64_add_unchecked(skb->len, (atomic64_unchecked_t *)&priv->stats.rx_bytes);
- #else
-- atomic_add(1, (atomic_t *)&priv->stats.rx_packets);
-- atomic_add(skb->len, (atomic_t *)&priv->stats.rx_bytes);
-+ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_packets);
-+ atomic_add_unchecked(skb->len, (atomic_unchecked_t *)&priv->stats.rx_bytes);
- #endif
- }
- netif_receive_skb(skb);
-@@ -437,9 +437,9 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
- dev->name);
- */
- #ifdef CONFIG_64BIT
-- atomic64_add(1, (atomic64_t *)&priv->stats.rx_dropped);
-+ atomic64_unchecked_add(1, (atomic64_unchecked_t *)&priv->stats.rx_dropped);
- #else
-- atomic_add(1, (atomic_t *)&priv->stats.rx_dropped);
-+ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_dropped);
- #endif
- dev_kfree_skb_irq(skb);
- }
-diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
-index 18f7a79..cc3bc24 100644
---- a/drivers/staging/octeon/ethernet.c
-+++ b/drivers/staging/octeon/ethernet.c
-@@ -259,11 +259,11 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
- * since the RX tasklet also increments it.
- */
- #ifdef CONFIG_64BIT
-- atomic64_add(rx_status.dropped_packets,
-- (atomic64_t *)&priv->stats.rx_dropped);
-+ atomic64_add_unchecked(rx_status.dropped_packets,
-+ (atomic64_unchecked_t *)&priv->stats.rx_dropped);
- #else
-- atomic_add(rx_status.dropped_packets,
-- (atomic_t *)&priv->stats.rx_dropped);
-+ atomic_add_unchecked(rx_status.dropped_packets,
-+ (atomic_unchecked_t *)&priv->stats.rx_dropped);
- #endif
- }
-
-diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h
-index dc23395..cf7e9b1 100644
---- a/drivers/staging/rtl8712/rtl871x_io.h
-+++ b/drivers/staging/rtl8712/rtl871x_io.h
-@@ -108,7 +108,7 @@ struct _io_ops {
- u8 *pmem);
- u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
- u8 *pmem);
--};
-+} __no_const;
-
- struct io_req {
- struct list_head list;
-diff --git a/drivers/staging/sbe-2t3e3/netdev.c b/drivers/staging/sbe-2t3e3/netdev.c
-index c7b5e8b..783d6cb 100644
---- a/drivers/staging/sbe-2t3e3/netdev.c
-+++ b/drivers/staging/sbe-2t3e3/netdev.c
-@@ -51,7 +51,7 @@ int t3e3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- t3e3_if_config(sc, cmd_2t3e3, (char *)¶m, &resp, &rlen);
-
- if (rlen)
-- if (copy_to_user(data, &resp, rlen))
-+ if (rlen > sizeof resp || copy_to_user(data, &resp, rlen))
- return -EFAULT;
-
- return 0;
-diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
-index 42cdafe..2769103 100644
---- a/drivers/staging/speakup/speakup_soft.c
-+++ b/drivers/staging/speakup/speakup_soft.c
-@@ -241,11 +241,11 @@ static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
- break;
- } else if (!initialized) {
- if (*init) {
-- ch = *init;
- init++;
- } else {
- initialized = 1;
- }
-+ ch = *init;
- } else {
- ch = synth_buffer_getc();
- }
-diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
-index 5d89c0f..9261317 100644
---- a/drivers/staging/usbip/usbip_common.h
-+++ b/drivers/staging/usbip/usbip_common.h
-@@ -289,7 +289,7 @@ struct usbip_device {
- void (*shutdown)(struct usbip_device *);
- void (*reset)(struct usbip_device *);
- void (*unusable)(struct usbip_device *);
-- } eh_ops;
-+ } __no_const eh_ops;
- };
-
- #define kthread_get_run(threadfn, data, namefmt, ...) \
-diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h
-index 88b3298..3783eee 100644
---- a/drivers/staging/usbip/vhci.h
-+++ b/drivers/staging/usbip/vhci.h
-@@ -88,7 +88,7 @@ struct vhci_hcd {
- unsigned resuming:1;
- unsigned long re_timeout;
-
-- atomic_t seqnum;
-+ atomic_unchecked_t seqnum;
-
- /*
- * NOTE:
-diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
-index f708cba..2de6d72 100644
---- a/drivers/staging/usbip/vhci_hcd.c
-+++ b/drivers/staging/usbip/vhci_hcd.c
-@@ -488,7 +488,7 @@ static void vhci_tx_urb(struct urb *urb)
- return;
- }
-
-- priv->seqnum = atomic_inc_return(&the_controller->seqnum);
-+ priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
- if (priv->seqnum == 0xffff)
- dev_info(&urb->dev->dev, "seqnum max\n");
-
-@@ -740,7 +740,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
- return -ENOMEM;
- }
-
-- unlink->seqnum = atomic_inc_return(&the_controller->seqnum);
-+ unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
- if (unlink->seqnum == 0xffff)
- pr_info("seqnum max\n");
-
-@@ -928,7 +928,7 @@ static int vhci_start(struct usb_hcd *hcd)
- vdev->rhport = rhport;
- }
-
-- atomic_set(&vhci->seqnum, 0);
-+ atomic_set_unchecked(&vhci->seqnum, 0);
- spin_lock_init(&vhci->lock);
-
- hcd->power_budget = 0; /* no limit */
-diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
-index f0eaf04..5a82e06 100644
---- a/drivers/staging/usbip/vhci_rx.c
-+++ b/drivers/staging/usbip/vhci_rx.c
-@@ -77,7 +77,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
- if (!urb) {
- pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
- pr_info("max seqnum %d\n",
-- atomic_read(&the_controller->seqnum));
-+ atomic_read_unchecked(&the_controller->seqnum));
- usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
- return;
- }
-diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
-index 7735027..30eed13 100644
---- a/drivers/staging/vt6655/hostap.c
-+++ b/drivers/staging/vt6655/hostap.c
-@@ -79,14 +79,13 @@ static int msglevel =MSG_LEVEL_INFO;
- *
- */
-
-+static net_device_ops_no_const apdev_netdev_ops;
-+
- static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
- {
- PSDevice apdev_priv;
- struct net_device *dev = pDevice->dev;
- int ret;
-- const struct net_device_ops apdev_netdev_ops = {
-- .ndo_start_xmit = pDevice->tx_80211,
-- };
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
-
-@@ -98,6 +97,8 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
- *apdev_priv = *pDevice;
- memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
-
-+ /* only half broken now */
-+ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211;
- pDevice->apdev->netdev_ops = &apdev_netdev_ops;
-
- pDevice->apdev->type = ARPHRD_IEEE80211;
-diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
-index 51b5adf..098e320 100644
---- a/drivers/staging/vt6656/hostap.c
-+++ b/drivers/staging/vt6656/hostap.c
-@@ -80,14 +80,13 @@ static int msglevel =MSG_LEVEL_INFO;
- *
- */
-
-+static net_device_ops_no_const apdev_netdev_ops;
-+
- static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
- {
- PSDevice apdev_priv;
- struct net_device *dev = pDevice->dev;
- int ret;
-- const struct net_device_ops apdev_netdev_ops = {
-- .ndo_start_xmit = pDevice->tx_80211,
-- };
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
-
-@@ -99,6 +98,8 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
- *apdev_priv = *pDevice;
- memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
-
-+ /* only half broken now */
-+ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211;
- pDevice->apdev->netdev_ops = &apdev_netdev_ops;
-
- pDevice->apdev->type = ARPHRD_IEEE80211;
-diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
-index 7843dfd..3db105f 100644
---- a/drivers/staging/wlan-ng/hfa384x_usb.c
-+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
-@@ -204,7 +204,7 @@ static void unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
-
- struct usbctlx_completor {
- int (*complete) (struct usbctlx_completor *);
--};
-+} __no_const;
-
- static int
- hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
-diff --git a/drivers/staging/zcache/tmem.c b/drivers/staging/zcache/tmem.c
-index 1ca66ea..76f1343 100644
---- a/drivers/staging/zcache/tmem.c
-+++ b/drivers/staging/zcache/tmem.c
-@@ -39,7 +39,7 @@
- * A tmem host implementation must use this function to register callbacks
- * for memory allocation.
- */
--static struct tmem_hostops tmem_hostops;
-+static tmem_hostops_no_const tmem_hostops;
-
- static void tmem_objnode_tree_init(void);
-
-@@ -53,7 +53,7 @@ void tmem_register_hostops(struct tmem_hostops *m)
- * A tmem host implementation must use this function to register
- * callbacks for a page-accessible memory (PAM) implementation
- */
--static struct tmem_pamops tmem_pamops;
-+static tmem_pamops_no_const tmem_pamops;
-
- void tmem_register_pamops(struct tmem_pamops *m)
- {
-diff --git a/drivers/staging/zcache/tmem.h b/drivers/staging/zcache/tmem.h
-index 0d4aa82..f7832d4 100644
---- a/drivers/staging/zcache/tmem.h
-+++ b/drivers/staging/zcache/tmem.h
-@@ -180,6 +180,7 @@ struct tmem_pamops {
- void (*new_obj)(struct tmem_obj *);
- int (*replace_in_obj)(void *, struct tmem_obj *);
- };
-+typedef struct tmem_pamops __no_const tmem_pamops_no_const;
- extern void tmem_register_pamops(struct tmem_pamops *m);
-
- /* memory allocation methods provided by the host implementation */
-@@ -189,6 +190,7 @@ struct tmem_hostops {
- struct tmem_objnode *(*objnode_alloc)(struct tmem_pool *);
- void (*objnode_free)(struct tmem_objnode *, struct tmem_pool *);
- };
-+typedef struct tmem_hostops __no_const tmem_hostops_no_const;
- extern void tmem_register_hostops(struct tmem_hostops *m);
-
- /* core tmem accessor functions */
-diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
-index c6c385f..b23c65d 100644
---- a/drivers/target/target_core_transport.c
-+++ b/drivers/target/target_core_transport.c
-@@ -1233,7 +1233,7 @@ struct se_device *transport_add_device_to_core_hba(
- spin_lock_init(&dev->se_port_lock);
- spin_lock_init(&dev->se_tmr_lock);
- spin_lock_init(&dev->qf_cmd_lock);
-- atomic_set(&dev->dev_ordered_id, 0);
-+ atomic_set_unchecked(&dev->dev_ordered_id, 0);
-
- se_dev_set_default_attribs(dev, dev_limits);
-
-@@ -1402,7 +1402,7 @@ static int transport_check_alloc_task_attr(struct se_cmd *cmd)
- * Used to determine when ORDERED commands should go from
- * Dormant to Active status.
- */
-- cmd->se_ordered_id = atomic_inc_return(&cmd->se_dev->dev_ordered_id);
-+ cmd->se_ordered_id = atomic_inc_return_unchecked(&cmd->se_dev->dev_ordered_id);
- smp_mb__after_atomic_inc();
- pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n",
- cmd->se_ordered_id, cmd->sam_task_attr,
-diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
-index e61cabd..7617d26 100644
---- a/drivers/tty/cyclades.c
-+++ b/drivers/tty/cyclades.c
-@@ -1589,10 +1589,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
- printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line,
- info->port.count);
- #endif
-- info->port.count++;
-+ atomic_inc(&info->port.count);
- #ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n",
-- current->pid, info->port.count);
-+ current->pid, atomic_read(&info->port.count));
- #endif
-
- /*
-@@ -3987,7 +3987,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v)
- for (j = 0; j < cy_card[i].nports; j++) {
- info = &cy_card[i].ports[j];
-
-- if (info->port.count) {
-+ if (atomic_read(&info->port.count)) {
- /* XXX is the ldisc num worth this? */
- struct tty_struct *tty;
- struct tty_ldisc *ld;
-diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
-index 2d691eb..be02ebd 100644
---- a/drivers/tty/hvc/hvc_console.c
-+++ b/drivers/tty/hvc/hvc_console.c
-@@ -315,7 +315,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
-
- spin_lock_irqsave(&hp->port.lock, flags);
- /* Check and then increment for fast path open. */
-- if (hp->port.count++ > 0) {
-+ if (atomic_inc_return(&hp->port.count) > 1) {
- spin_unlock_irqrestore(&hp->port.lock, flags);
- hvc_kick();
- return 0;
-@@ -366,7 +366,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
-
- spin_lock_irqsave(&hp->port.lock, flags);
-
-- if (--hp->port.count == 0) {
-+ if (atomic_dec_return(&hp->port.count) == 0) {
- spin_unlock_irqrestore(&hp->port.lock, flags);
- /* We are done with the tty pointer now. */
- tty_port_tty_set(&hp->port, NULL);
-@@ -384,9 +384,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
- */
- tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT);
- } else {
-- if (hp->port.count < 0)
-+ if (atomic_read(&hp->port.count) < 0)
- printk(KERN_ERR "hvc_close %X: oops, count is %d\n",
-- hp->vtermno, hp->port.count);
-+ hp->vtermno, atomic_read(&hp->port.count));
- spin_unlock_irqrestore(&hp->port.lock, flags);
- }
-
-@@ -412,13 +412,13 @@ static void hvc_hangup(struct tty_struct *tty)
- * open->hangup case this can be called after the final close so prevent
- * that from happening for now.
- */
-- if (hp->port.count <= 0) {
-+ if (atomic_read(&hp->port.count) <= 0) {
- spin_unlock_irqrestore(&hp->port.lock, flags);
- return;
- }
-
-- temp_open_count = hp->port.count;
-- hp->port.count = 0;
-+ temp_open_count = atomic_read(&hp->port.count);
-+ atomic_set(&hp->port.count, 0);
- spin_unlock_irqrestore(&hp->port.lock, flags);
- tty_port_tty_set(&hp->port, NULL);
-
-@@ -471,7 +471,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count
- return -EPIPE;
-
- /* FIXME what's this (unprotected) check for? */
-- if (hp->port.count <= 0)
-+ if (atomic_read(&hp->port.count) <= 0)
- return -EIO;
-
- spin_lock_irqsave(&hp->lock, flags);
-diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
-index d56788c..12d8f85 100644
---- a/drivers/tty/hvc/hvcs.c
-+++ b/drivers/tty/hvc/hvcs.c
-@@ -83,6 +83,7 @@
- #include <asm/hvcserver.h>
- #include <asm/uaccess.h>
- #include <asm/vio.h>
-+#include <asm/local.h>
-
- /*
- * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00).
-@@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut
-
- spin_lock_irqsave(&hvcsd->lock, flags);
-
-- if (hvcsd->port.count > 0) {
-+ if (atomic_read(&hvcsd->port.count) > 0) {
- spin_unlock_irqrestore(&hvcsd->lock, flags);
- printk(KERN_INFO "HVCS: vterm state unchanged. "
- "The hvcs device node is still in use.\n");
-@@ -1134,7 +1135,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp)
- if ((retval = hvcs_partner_connect(hvcsd)))
- goto error_release;
-
-- hvcsd->port.count = 1;
-+ atomic_set(&hvcsd->port.count, 1);
- hvcsd->port.tty = tty;
- tty->driver_data = hvcsd;
-
-@@ -1168,7 +1169,7 @@ fast_open:
-
- spin_lock_irqsave(&hvcsd->lock, flags);
- tty_port_get(&hvcsd->port);
-- hvcsd->port.count++;
-+ atomic_inc(&hvcsd->port.count);
- hvcsd->todo_mask |= HVCS_SCHED_READ;
- spin_unlock_irqrestore(&hvcsd->lock, flags);
-
-@@ -1212,7 +1213,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
- hvcsd = tty->driver_data;
-
- spin_lock_irqsave(&hvcsd->lock, flags);
-- if (--hvcsd->port.count == 0) {
-+ if (atomic_dec_and_test(&hvcsd->port.count)) {
-
- vio_disable_interrupts(hvcsd->vdev);
-
-@@ -1238,10 +1239,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
- free_irq(irq, hvcsd);
- tty_port_put(&hvcsd->port);
- return;
-- } else if (hvcsd->port.count < 0) {
-+ } else if (atomic_read(&hvcsd->port.count) < 0) {
- printk(KERN_ERR "HVCS: vty-server@%X open_count: %d"
- " is missmanaged.\n",
-- hvcsd->vdev->unit_address, hvcsd->port.count);
-+ hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count));
- }
-
- spin_unlock_irqrestore(&hvcsd->lock, flags);
-@@ -1257,7 +1258,7 @@ static void hvcs_hangup(struct tty_struct * tty)
-
- spin_lock_irqsave(&hvcsd->lock, flags);
- /* Preserve this so that we know how many kref refs to put */
-- temp_open_count = hvcsd->port.count;
-+ temp_open_count = atomic_read(&hvcsd->port.count);
-
- /*
- * Don't kref put inside the spinlock because the destruction
-@@ -1272,7 +1273,7 @@ static void hvcs_hangup(struct tty_struct * tty)
- tty->driver_data = NULL;
- hvcsd->port.tty = NULL;
-
-- hvcsd->port.count = 0;
-+ atomic_set(&hvcsd->port.count, 0);
-
- /* This will drop any buffered data on the floor which is OK in a hangup
- * scenario. */
-@@ -1343,7 +1344,7 @@ static int hvcs_write(struct tty_struct *tty,
- * the middle of a write operation? This is a crummy place to do this
- * but we want to keep it all in the spinlock.
- */
-- if (hvcsd->port.count <= 0) {
-+ if (atomic_read(&hvcsd->port.count) <= 0) {
- spin_unlock_irqrestore(&hvcsd->lock, flags);
- return -ENODEV;
- }
-@@ -1417,7 +1418,7 @@ static int hvcs_write_room(struct tty_struct *tty)
- {
- struct hvcs_struct *hvcsd = tty->driver_data;
-
-- if (!hvcsd || hvcsd->port.count <= 0)
-+ if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0)
- return 0;
-
- return HVCS_BUFF_LEN - hvcsd->chars_in_buffer;
-diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
-index f8b5fa0..4ba9f89 100644
---- a/drivers/tty/ipwireless/tty.c
-+++ b/drivers/tty/ipwireless/tty.c
-@@ -29,6 +29,7 @@
- #include <linux/tty_driver.h>
- #include <linux/tty_flip.h>
- #include <linux/uaccess.h>
-+#include <asm/local.h>
-
- #include "tty.h"
- #include "network.h"
-@@ -99,10 +100,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
- mutex_unlock(&tty->ipw_tty_mutex);
- return -ENODEV;
- }
-- if (tty->port.count == 0)
-+ if (atomic_read(&tty->port.count) == 0)
- tty->tx_bytes_queued = 0;
-
-- tty->port.count++;
-+ atomic_inc(&tty->port.count);
-
- tty->port.tty = linux_tty;
- linux_tty->driver_data = tty;
-@@ -118,9 +119,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
-
- static void do_ipw_close(struct ipw_tty *tty)
- {
-- tty->port.count--;
--
-- if (tty->port.count == 0) {
-+ if (atomic_dec_return(&tty->port.count) == 0) {
- struct tty_struct *linux_tty = tty->port.tty;
-
- if (linux_tty != NULL) {
-@@ -141,7 +140,7 @@ static void ipw_hangup(struct tty_struct *linux_tty)
- return;
-
- mutex_lock(&tty->ipw_tty_mutex);
-- if (tty->port.count == 0) {
-+ if (atomic_read(&tty->port.count) == 0) {
- mutex_unlock(&tty->ipw_tty_mutex);
- return;
- }
-@@ -170,7 +169,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data,
- return;
- }
-
-- if (!tty->port.count) {
-+ if (!atomic_read(&tty->port.count)) {
- mutex_unlock(&tty->ipw_tty_mutex);
- return;
- }
-@@ -212,7 +211,7 @@ static int ipw_write(struct tty_struct *linux_tty,
- return -ENODEV;
-
- mutex_lock(&tty->ipw_tty_mutex);
-- if (!tty->port.count) {
-+ if (!atomic_read(&tty->port.count)) {
- mutex_unlock(&tty->ipw_tty_mutex);
- return -EINVAL;
- }
-@@ -252,7 +251,7 @@ static int ipw_write_room(struct tty_struct *linux_tty)
- if (!tty)
- return -ENODEV;
-
-- if (!tty->port.count)
-+ if (!atomic_read(&tty->port.count))
- return -EINVAL;
-
- room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued;
-@@ -294,7 +293,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty)
- if (!tty)
- return 0;
-
-- if (!tty->port.count)
-+ if (!atomic_read(&tty->port.count))
- return 0;
-
- return tty->tx_bytes_queued;
-@@ -375,7 +374,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty)
- if (!tty)
- return -ENODEV;
-
-- if (!tty->port.count)
-+ if (!atomic_read(&tty->port.count))
- return -EINVAL;
-
- return get_control_lines(tty);
-@@ -391,7 +390,7 @@ ipw_tiocmset(struct tty_struct *linux_tty,
- if (!tty)
- return -ENODEV;
-
-- if (!tty->port.count)
-+ if (!atomic_read(&tty->port.count))
- return -EINVAL;
-
- return set_control_lines(tty, set, clear);
-@@ -405,7 +404,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty,
- if (!tty)
- return -ENODEV;
-
-- if (!tty->port.count)
-+ if (!atomic_read(&tty->port.count))
- return -EINVAL;
-
- /* FIXME: Exactly how is the tty object locked here .. */
-@@ -561,7 +560,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
- * are gone */
- mutex_lock(&ttyj->ipw_tty_mutex);
- }
-- while (ttyj->port.count)
-+ while (atomic_read(&ttyj->port.count))
- do_ipw_close(ttyj);
- ipwireless_disassociate_network_ttys(network,
- ttyj->channel_idx);
-diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
-index 324467d..504cc25 100644
---- a/drivers/tty/moxa.c
-+++ b/drivers/tty/moxa.c
-@@ -1172,7 +1172,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
- }
-
- ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
-- ch->port.count++;
-+ atomic_inc(&ch->port.count);
- tty->driver_data = ch;
- tty_port_tty_set(&ch->port, tty);
- mutex_lock(&ch->port.mutex);
-diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
-index c43b683..4dab83e 100644
---- a/drivers/tty/n_gsm.c
-+++ b/drivers/tty/n_gsm.c
-@@ -1629,7 +1629,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr)
- kref_init(&dlci->ref);
- mutex_init(&dlci->mutex);
- dlci->fifo = &dlci->_fifo;
-- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) {
-+ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) {
- kfree(dlci);
- return NULL;
- }
-@@ -2895,7 +2895,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
- if (dlci == NULL)
- return -ENOMEM;
- port = &dlci->port;
-- port->count++;
-+ atomic_inc(&port->count);
- tty->driver_data = dlci;
- dlci_get(dlci);
- dlci_get(dlci->gsm->dlci[0]);
-diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
-index ee1c268..0e97caf 100644
---- a/drivers/tty/n_tty.c
-+++ b/drivers/tty/n_tty.c
-@@ -2123,6 +2123,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
- {
- *ops = tty_ldisc_N_TTY;
- ops->owner = NULL;
-- ops->refcount = ops->flags = 0;
-+ atomic_set(&ops->refcount, 0);
-+ ops->flags = 0;
- }
- EXPORT_SYMBOL_GPL(n_tty_inherit_ops);
-diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
-index 5505ffc..7affff9 100644
---- a/drivers/tty/pty.c
-+++ b/drivers/tty/pty.c
-@@ -718,8 +718,10 @@ static void __init unix98_pty_init(void)
- panic("Couldn't register Unix98 pts driver");
-
- /* Now create the /dev/ptmx special device */
-+ pax_open_kernel();
- tty_default_fops(&ptmx_fops);
-- ptmx_fops.open = ptmx_open;
-+ *(void **)&ptmx_fops.open = ptmx_open;
-+ pax_close_kernel();
-
- cdev_init(&ptmx_cdev, &ptmx_fops);
- if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) ||
-diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
-index 777d5f9..56d67ca 100644
---- a/drivers/tty/rocket.c
-+++ b/drivers/tty/rocket.c
-@@ -924,7 +924,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
- tty->driver_data = info;
- tty_port_tty_set(port, tty);
-
-- if (port->count++ == 0) {
-+ if (atomic_inc_return(&port->count) == 1) {
- atomic_inc(&rp_num_ports_open);
-
- #ifdef ROCKET_DEBUG_OPEN
-@@ -933,7 +933,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
- #endif
- }
- #ifdef ROCKET_DEBUG_OPEN
-- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count);
-+ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic-read(&info->port.count));
- #endif
-
- /*
-@@ -1528,7 +1528,7 @@ static void rp_hangup(struct tty_struct *tty)
- spin_unlock_irqrestore(&info->port.lock, flags);
- return;
- }
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- atomic_dec(&rp_num_ports_open);
- clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
- spin_unlock_irqrestore(&info->port.lock, flags);
-diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
-index 2b42a01..32a2ed3 100644
---- a/drivers/tty/serial/kgdboc.c
-+++ b/drivers/tty/serial/kgdboc.c
-@@ -24,8 +24,9 @@
- #define MAX_CONFIG_LEN 40
-
- static struct kgdb_io kgdboc_io_ops;
-+static struct kgdb_io kgdboc_io_ops_console;
-
--/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */
-+/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */
- static int configured = -1;
-
- static char config[MAX_CONFIG_LEN];
-@@ -148,6 +149,8 @@ static void cleanup_kgdboc(void)
- kgdboc_unregister_kbd();
- if (configured == 1)
- kgdb_unregister_io_module(&kgdboc_io_ops);
-+ else if (configured == 2)
-+ kgdb_unregister_io_module(&kgdboc_io_ops_console);
- }
-
- static int configure_kgdboc(void)
-@@ -157,13 +160,13 @@ static int configure_kgdboc(void)
- int err;
- char *cptr = config;
- struct console *cons;
-+ int is_console = 0;
-
- err = kgdboc_option_setup(config);
- if (err || !strlen(config) || isspace(config[0]))
- goto noconfig;
-
- err = -ENODEV;
-- kgdboc_io_ops.is_console = 0;
- kgdb_tty_driver = NULL;
-
- kgdboc_use_kms = 0;
-@@ -184,7 +187,7 @@ static int configure_kgdboc(void)
- int idx;
- if (cons->device && cons->device(cons, &idx) == p &&
- idx == tty_line) {
-- kgdboc_io_ops.is_console = 1;
-+ is_console = 1;
- break;
- }
- cons = cons->next;
-@@ -194,12 +197,16 @@ static int configure_kgdboc(void)
- kgdb_tty_line = tty_line;
-
- do_register:
-- err = kgdb_register_io_module(&kgdboc_io_ops);
-+ if (is_console) {
-+ err = kgdb_register_io_module(&kgdboc_io_ops_console);
-+ configured = 2;
-+ } else {
-+ err = kgdb_register_io_module(&kgdboc_io_ops);
-+ configured = 1;
-+ }
- if (err)
- goto noconfig;
-
-- configured = 1;
--
- return 0;
-
- noconfig:
-@@ -213,7 +220,7 @@ noconfig:
- static int __init init_kgdboc(void)
- {
- /* Already configured? */
-- if (configured == 1)
-+ if (configured >= 1)
- return 0;
-
- return configure_kgdboc();
-@@ -262,7 +269,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
- if (config[len - 1] == '\n')
- config[len - 1] = '\0';
-
-- if (configured == 1)
-+ if (configured >= 1)
- cleanup_kgdboc();
-
- /* Go and configure with the new params. */
-@@ -302,6 +309,15 @@ static struct kgdb_io kgdboc_io_ops = {
- .post_exception = kgdboc_post_exp_handler,
- };
-
-+static struct kgdb_io kgdboc_io_ops_console = {
-+ .name = "kgdboc",
-+ .read_char = kgdboc_get_char,
-+ .write_char = kgdboc_put_char,
-+ .pre_exception = kgdboc_pre_exp_handler,
-+ .post_exception = kgdboc_post_exp_handler,
-+ .is_console = 1
-+};
-+
- #ifdef CONFIG_KGDB_SERIAL_CONSOLE
- /* This is only available if kgdboc is a built in for early debugging */
- static int __init kgdboc_early_init(char *opt)
-diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
-index 246b823..9e0db76 100644
---- a/drivers/tty/serial/serial_core.c
-+++ b/drivers/tty/serial/serial_core.c
-@@ -1392,7 +1392,7 @@ static void uart_hangup(struct tty_struct *tty)
- uart_flush_buffer(tty);
- uart_shutdown(tty, state);
- spin_lock_irqsave(&port->lock, flags);
-- port->count = 0;
-+ atomic_set(&port->count, 0);
- clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
- spin_unlock_irqrestore(&port->lock, flags);
- tty_port_tty_set(port, NULL);
-@@ -1488,7 +1488,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
- goto end;
- }
-
-- port->count++;
-+ atomic_inc(&port->count);
- if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
- retval = -ENXIO;
- goto err_dec_count;
-@@ -1515,7 +1515,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
- /*
- * Make sure the device is in D0 state.
- */
-- if (port->count == 1)
-+ if (atomic_read(&port->count) == 1)
- uart_change_pm(state, 0);
-
- /*
-@@ -1533,7 +1533,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
- end:
- return retval;
- err_dec_count:
-- port->count--;
-+ atomic_inc(&port->count);
- mutex_unlock(&port->mutex);
- goto end;
- }
-diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
-index 593d40a..bdc61f3 100644
---- a/drivers/tty/synclink.c
-+++ b/drivers/tty/synclink.c
-@@ -3095,7 +3095,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgsl_close(%s) entry, count=%d\n",
-- __FILE__,__LINE__, info->device_name, info->port.count);
-+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
-
- if (tty_port_close_start(&info->port, tty, filp) == 0)
- goto cleanup;
-@@ -3113,7 +3113,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
- cleanup:
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__,
-- tty->driver->name, info->port.count);
-+ tty->driver->name, atomic_read(&info->port.count));
-
- } /* end of mgsl_close() */
-
-@@ -3212,8 +3212,8 @@ static void mgsl_hangup(struct tty_struct *tty)
-
- mgsl_flush_buffer(tty);
- shutdown(info);
--
-- info->port.count = 0;
-+
-+ atomic_set(&info->port.count, 0);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- info->port.tty = NULL;
-
-@@ -3302,12 +3302,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):block_til_ready before block on %s count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- spin_lock_irqsave(&info->irq_spinlock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = true;
-- port->count--;
-+ atomic_dec(&port->count);
- }
- spin_unlock_irqrestore(&info->irq_spinlock, flags);
- port->blocked_open++;
-@@ -3336,7 +3336,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):block_til_ready blocking on %s count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- tty_unlock();
- schedule();
-@@ -3348,12 +3348,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
-
- /* FIXME: Racy on hangup during close wait */
- if (extra_count)
-- port->count++;
-+ atomic_inc(&port->count);
- port->blocked_open--;
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):block_til_ready after blocking on %s count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- if (!retval)
- port->flags |= ASYNC_NORMAL_ACTIVE;
-@@ -3398,7 +3398,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgsl_open(%s), old ref count = %d\n",
-- __FILE__,__LINE__,tty->driver->name, info->port.count);
-+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
-
- /* If port is closing, signal caller to try again */
- if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
-@@ -3417,10 +3417,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
- spin_unlock_irqrestore(&info->netlock, flags);
- goto cleanup;
- }
-- info->port.count++;
-+ atomic_inc(&info->port.count);
- spin_unlock_irqrestore(&info->netlock, flags);
-
-- if (info->port.count == 1) {
-+ if (atomic_read(&info->port.count) == 1) {
- /* 1st open on this device, init hardware */
- retval = startup(info);
- if (retval < 0)
-@@ -3444,8 +3444,8 @@ cleanup:
- if (retval) {
- if (tty->count == 1)
- info->port.tty = NULL; /* tty layer will release tty struct */
-- if(info->port.count)
-- info->port.count--;
-+ if (atomic_read(&info->port.count))
-+ atomic_dec(&info->port.count);
- }
-
- return retval;
-@@ -7653,7 +7653,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
- unsigned short new_crctype;
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- switch (encoding)
-@@ -7748,7 +7748,7 @@ static int hdlcdev_open(struct net_device *dev)
-
- /* arbitrate between network and tty opens */
- spin_lock_irqsave(&info->netlock, flags);
-- if (info->port.count != 0 || info->netcount != 0) {
-+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
- printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
- spin_unlock_irqrestore(&info->netlock, flags);
- return -EBUSY;
-@@ -7834,7 +7834,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- if (cmd != SIOCWANDEV)
-diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
-index aa1debf..9297a16 100644
---- a/drivers/tty/synclink_gt.c
-+++ b/drivers/tty/synclink_gt.c
-@@ -671,7 +671,7 @@ static int open(struct tty_struct *tty, struct file *filp)
- tty->driver_data = info;
- info->port.tty = tty;
-
-- DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count));
-+ DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count)));
-
- /* If port is closing, signal caller to try again */
- if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
-@@ -692,10 +692,10 @@ static int open(struct tty_struct *tty, struct file *filp)
- mutex_unlock(&info->port.mutex);
- goto cleanup;
- }
-- info->port.count++;
-+ atomic_inc(&info->port.count);
- spin_unlock_irqrestore(&info->netlock, flags);
-
-- if (info->port.count == 1) {
-+ if (atomic_read(&info->port.count) == 1) {
- /* 1st open on this device, init hardware */
- retval = startup(info);
- if (retval < 0) {
-@@ -716,8 +716,8 @@ cleanup:
- if (retval) {
- if (tty->count == 1)
- info->port.tty = NULL; /* tty layer will release tty struct */
-- if(info->port.count)
-- info->port.count--;
-+ if(atomic_read(&info->port.count))
-+ atomic_dec(&info->port.count);
- }
-
- DBGINFO(("%s open rc=%d\n", info->device_name, retval));
-@@ -730,7 +730,7 @@ static void close(struct tty_struct *tty, struct file *filp)
-
- if (sanity_check(info, tty->name, "close"))
- return;
-- DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count));
-+ DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count)));
-
- if (tty_port_close_start(&info->port, tty, filp) == 0)
- goto cleanup;
-@@ -747,7 +747,7 @@ static void close(struct tty_struct *tty, struct file *filp)
- tty_port_close_end(&info->port, tty);
- info->port.tty = NULL;
- cleanup:
-- DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count));
-+ DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count)));
- }
-
- static void hangup(struct tty_struct *tty)
-@@ -765,7 +765,7 @@ static void hangup(struct tty_struct *tty)
- shutdown(info);
-
- spin_lock_irqsave(&info->port.lock, flags);
-- info->port.count = 0;
-+ atomic_set(&info->port.count, 0);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- info->port.tty = NULL;
- spin_unlock_irqrestore(&info->port.lock, flags);
-@@ -1450,7 +1450,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
- unsigned short new_crctype;
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- DBGINFO(("%s hdlcdev_attach\n", info->device_name));
-@@ -1545,7 +1545,7 @@ static int hdlcdev_open(struct net_device *dev)
-
- /* arbitrate between network and tty opens */
- spin_lock_irqsave(&info->netlock, flags);
-- if (info->port.count != 0 || info->netcount != 0) {
-+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
- DBGINFO(("%s hdlc_open busy\n", dev->name));
- spin_unlock_irqrestore(&info->netlock, flags);
- return -EBUSY;
-@@ -1630,7 +1630,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- DBGINFO(("%s hdlcdev_ioctl\n", dev->name));
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- if (cmd != SIOCWANDEV)
-@@ -2419,7 +2419,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id)
- if (port == NULL)
- continue;
- spin_lock(&port->lock);
-- if ((port->port.count || port->netcount) &&
-+ if ((atomic_read(&port->port.count) || port->netcount) &&
- port->pending_bh && !port->bh_running &&
- !port->bh_requested) {
- DBGISR(("%s bh queued\n", port->device_name));
-@@ -3308,7 +3308,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
- spin_lock_irqsave(&info->lock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = true;
-- port->count--;
-+ atomic_dec(&port->count);
- }
- spin_unlock_irqrestore(&info->lock, flags);
- port->blocked_open++;
-@@ -3345,7 +3345,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
- remove_wait_queue(&port->open_wait, &wait);
-
- if (extra_count)
-- port->count++;
-+ atomic_inc(&port->count);
- port->blocked_open--;
-
- if (!retval)
-diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
-index a3dddc1..8905ab2 100644
---- a/drivers/tty/synclinkmp.c
-+++ b/drivers/tty/synclinkmp.c
-@@ -742,7 +742,7 @@ static int open(struct tty_struct *tty, struct file *filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s open(), old ref count = %d\n",
-- __FILE__,__LINE__,tty->driver->name, info->port.count);
-+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
-
- /* If port is closing, signal caller to try again */
- if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
-@@ -761,10 +761,10 @@ static int open(struct tty_struct *tty, struct file *filp)
- spin_unlock_irqrestore(&info->netlock, flags);
- goto cleanup;
- }
-- info->port.count++;
-+ atomic_inc(&info->port.count);
- spin_unlock_irqrestore(&info->netlock, flags);
-
-- if (info->port.count == 1) {
-+ if (atomic_read(&info->port.count) == 1) {
- /* 1st open on this device, init hardware */
- retval = startup(info);
- if (retval < 0)
-@@ -788,8 +788,8 @@ cleanup:
- if (retval) {
- if (tty->count == 1)
- info->port.tty = NULL; /* tty layer will release tty struct */
-- if(info->port.count)
-- info->port.count--;
-+ if(atomic_read(&info->port.count))
-+ atomic_dec(&info->port.count);
- }
-
- return retval;
-@@ -807,7 +807,7 @@ static void close(struct tty_struct *tty, struct file *filp)
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s close() entry, count=%d\n",
-- __FILE__,__LINE__, info->device_name, info->port.count);
-+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
-
- if (tty_port_close_start(&info->port, tty, filp) == 0)
- goto cleanup;
-@@ -826,7 +826,7 @@ static void close(struct tty_struct *tty, struct file *filp)
- cleanup:
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
-- tty->driver->name, info->port.count);
-+ tty->driver->name, atomic_read(&info->port.count));
- }
-
- /* Called by tty_hangup() when a hangup is signaled.
-@@ -849,7 +849,7 @@ static void hangup(struct tty_struct *tty)
- shutdown(info);
-
- spin_lock_irqsave(&info->port.lock, flags);
-- info->port.count = 0;
-+ atomic_set(&info->port.count, 0);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- info->port.tty = NULL;
- spin_unlock_irqrestore(&info->port.lock, flags);
-@@ -1557,7 +1557,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
- unsigned short new_crctype;
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- switch (encoding)
-@@ -1652,7 +1652,7 @@ static int hdlcdev_open(struct net_device *dev)
-
- /* arbitrate between network and tty opens */
- spin_lock_irqsave(&info->netlock, flags);
-- if (info->port.count != 0 || info->netcount != 0) {
-+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
- printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
- spin_unlock_irqrestore(&info->netlock, flags);
- return -EBUSY;
-@@ -1738,7 +1738,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
-
- /* return error if TTY interface open */
-- if (info->port.count)
-+ if (atomic_read(&info->port.count))
- return -EBUSY;
-
- if (cmd != SIOCWANDEV)
-@@ -2623,7 +2623,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id)
- * do not request bottom half processing if the
- * device is not open in a normal mode.
- */
-- if ( port && (port->port.count || port->netcount) &&
-+ if ( port && (atomic_read(&port->port.count) || port->netcount) &&
- port->pending_bh && !port->bh_running &&
- !port->bh_requested ) {
- if ( debug_level >= DEBUG_LEVEL_ISR )
-@@ -3321,12 +3321,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s block_til_ready() before block, count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- spin_lock_irqsave(&info->lock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = true;
-- port->count--;
-+ atomic_dec(&port->count);
- }
- spin_unlock_irqrestore(&info->lock, flags);
- port->blocked_open++;
-@@ -3355,7 +3355,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s block_til_ready() count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- tty_unlock();
- schedule();
-@@ -3366,12 +3366,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
- remove_wait_queue(&port->open_wait, &wait);
-
- if (extra_count)
-- port->count++;
-+ atomic_inc(&port->count);
- port->blocked_open--;
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s block_til_ready() after, count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, port->count );
-+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
-
- if (!retval)
- port->flags |= ASYNC_NORMAL_ACTIVE;
-diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
-index 05728894..b9d44c6 100644
---- a/drivers/tty/sysrq.c
-+++ b/drivers/tty/sysrq.c
-@@ -865,7 +865,7 @@ EXPORT_SYMBOL(unregister_sysrq_key);
- static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
- {
-- if (count) {
-+ if (count && capable(CAP_SYS_ADMIN)) {
- char c;
-
- if (get_user(c, buf))
-diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
-index b425c79..08a3f06 100644
---- a/drivers/tty/tty_io.c
-+++ b/drivers/tty/tty_io.c
-@@ -3283,7 +3283,7 @@ EXPORT_SYMBOL_GPL(get_current_tty);
-
- void tty_default_fops(struct file_operations *fops)
- {
-- *fops = tty_fops;
-+ memcpy((void *)fops, &tty_fops, sizeof(tty_fops));
- }
-
- /*
-diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
-index 9911eb6..5abe0e1 100644
---- a/drivers/tty/tty_ldisc.c
-+++ b/drivers/tty/tty_ldisc.c
-@@ -56,7 +56,7 @@ static void put_ldisc(struct tty_ldisc *ld)
- if (atomic_dec_and_lock(&ld->users, &tty_ldisc_lock)) {
- struct tty_ldisc_ops *ldo = ld->ops;
-
-- ldo->refcount--;
-+ atomic_dec(&ldo->refcount);
- module_put(ldo->owner);
- spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-
-@@ -91,7 +91,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)
- spin_lock_irqsave(&tty_ldisc_lock, flags);
- tty_ldiscs[disc] = new_ldisc;
- new_ldisc->num = disc;
-- new_ldisc->refcount = 0;
-+ atomic_set(&new_ldisc->refcount, 0);
- spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-
- return ret;
-@@ -119,7 +119,7 @@ int tty_unregister_ldisc(int disc)
- return -EINVAL;
-
- spin_lock_irqsave(&tty_ldisc_lock, flags);
-- if (tty_ldiscs[disc]->refcount)
-+ if (atomic_read(&tty_ldiscs[disc]->refcount))
- ret = -EBUSY;
- else
- tty_ldiscs[disc] = NULL;
-@@ -140,7 +140,7 @@ static struct tty_ldisc_ops *get_ldops(int disc)
- if (ldops) {
- ret = ERR_PTR(-EAGAIN);
- if (try_module_get(ldops->owner)) {
-- ldops->refcount++;
-+ atomic_inc(&ldops->refcount);
- ret = ldops;
- }
- }
-@@ -153,7 +153,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
- unsigned long flags;
-
- spin_lock_irqsave(&tty_ldisc_lock, flags);
-- ldops->refcount--;
-+ atomic_dec(&ldops->refcount);
- module_put(ldops->owner);
- spin_unlock_irqrestore(&tty_ldisc_lock, flags);
- }
-diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
-index bf6e238..d401c04 100644
---- a/drivers/tty/tty_port.c
-+++ b/drivers/tty/tty_port.c
-@@ -138,7 +138,7 @@ void tty_port_hangup(struct tty_port *port)
- unsigned long flags;
-
- spin_lock_irqsave(&port->lock, flags);
-- port->count = 0;
-+ atomic_set(&port->count, 0);
- port->flags &= ~ASYNC_NORMAL_ACTIVE;
- if (port->tty) {
- set_bit(TTY_IO_ERROR, &port->tty->flags);
-@@ -264,7 +264,7 @@ int tty_port_block_til_ready(struct tty_port *port,
- /* The port lock protects the port counts */
- spin_lock_irqsave(&port->lock, flags);
- if (!tty_hung_up_p(filp))
-- port->count--;
-+ atomic_dec(&port->count);
- port->blocked_open++;
- spin_unlock_irqrestore(&port->lock, flags);
-
-@@ -306,7 +306,7 @@ int tty_port_block_til_ready(struct tty_port *port,
- we must not mess that up further */
- spin_lock_irqsave(&port->lock, flags);
- if (!tty_hung_up_p(filp))
-- port->count++;
-+ atomic_inc(&port->count);
- port->blocked_open--;
- if (retval == 0)
- port->flags |= ASYNC_NORMAL_ACTIVE;
-@@ -326,19 +326,19 @@ int tty_port_close_start(struct tty_port *port,
- return 0;
- }
-
-- if (tty->count == 1 && port->count != 1) {
-+ if (tty->count == 1 && atomic_read(&port->count) != 1) {
- printk(KERN_WARNING
- "tty_port_close_start: tty->count = 1 port count = %d.\n",
-- port->count);
-- port->count = 1;
-+ atomic_read(&port->count));
-+ atomic_set(&port->count, 1);
- }
-- if (--port->count < 0) {
-+ if (atomic_dec_return(&port->count) < 0) {
- printk(KERN_WARNING "tty_port_close_start: count = %d\n",
-- port->count);
-- port->count = 0;
-+ atomic_read(&port->count));
-+ atomic_set(&port->count, 0);
- }
-
-- if (port->count) {
-+ if (atomic_read(&port->count)) {
- spin_unlock_irqrestore(&port->lock, flags);
- if (port->ops->drop)
- port->ops->drop(port);
-@@ -418,7 +418,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty,
- {
- spin_lock_irq(&port->lock);
- if (!tty_hung_up_p(filp))
-- ++port->count;
-+ atomic_inc(&port->count);
- spin_unlock_irq(&port->lock);
- tty_port_tty_set(port, tty);
-
-diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
-index 48cc6f2..85584dd 100644
---- a/drivers/tty/vt/keyboard.c
-+++ b/drivers/tty/vt/keyboard.c
-@@ -659,6 +659,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag)
- kbd->kbdmode == VC_OFF) &&
- value != KVAL(K_SAK))
- return; /* SAK is allowed even in raw mode */
-+
-+#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
-+ {
-+ void *func = fn_handler[value];
-+ if (func == fn_show_state || func == fn_show_ptregs ||
-+ func == fn_show_mem)
-+ return;
-+ }
-+#endif
-+
- fn_handler[value](vc);
- }
-
-@@ -1808,9 +1818,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
- if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry)))
- return -EFAULT;
-
-- if (!capable(CAP_SYS_TTY_CONFIG))
-- perm = 0;
--
- switch (cmd) {
- case KDGKBENT:
- /* Ensure another thread doesn't free it under us */
-@@ -1825,6 +1832,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
- spin_unlock_irqrestore(&kbd_event_lock, flags);
- return put_user(val, &user_kbe->kb_value);
- case KDSKBENT:
-+ if (!capable(CAP_SYS_TTY_CONFIG))
-+ perm = 0;
-+
- if (!perm)
- return -EPERM;
- if (!i && v == K_NOSUCHMAP) {
-@@ -1915,9 +1925,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
- int i, j, k;
- int ret;
-
-- if (!capable(CAP_SYS_TTY_CONFIG))
-- perm = 0;
--
- kbs = kmalloc(sizeof(*kbs), GFP_KERNEL);
- if (!kbs) {
- ret = -ENOMEM;
-@@ -1951,6 +1958,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
- kfree(kbs);
- return ((p && *p) ? -EOVERFLOW : 0);
- case KDSKBSENT:
-+ if (!capable(CAP_SYS_TTY_CONFIG))
-+ perm = 0;
-+
- if (!perm) {
- ret = -EPERM;
- goto reterr;
-diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
-index a783d53..cb30d94 100644
---- a/drivers/uio/uio.c
-+++ b/drivers/uio/uio.c
-@@ -25,6 +25,7 @@
- #include <linux/kobject.h>
- #include <linux/cdev.h>
- #include <linux/uio_driver.h>
-+#include <asm/local.h>
-
- #define UIO_MAX_DEVICES (1U << MINORBITS)
-
-@@ -32,10 +33,10 @@ struct uio_device {
- struct module *owner;
- struct device *dev;
- int minor;
-- atomic_t event;
-+ atomic_unchecked_t event;
- struct fasync_struct *async_queue;
- wait_queue_head_t wait;
-- int vma_count;
-+ local_t vma_count;
- struct uio_info *info;
- struct kobject *map_dir;
- struct kobject *portio_dir;
-@@ -242,7 +243,7 @@ static ssize_t show_event(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct uio_device *idev = dev_get_drvdata(dev);
-- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event));
-+ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event));
- }
-
- static struct device_attribute uio_class_attributes[] = {
-@@ -408,7 +409,7 @@ void uio_event_notify(struct uio_info *info)
- {
- struct uio_device *idev = info->uio_dev;
-
-- atomic_inc(&idev->event);
-+ atomic_inc_unchecked(&idev->event);
- wake_up_interruptible(&idev->wait);
- kill_fasync(&idev->async_queue, SIGIO, POLL_IN);
- }
-@@ -461,7 +462,7 @@ static int uio_open(struct inode *inode, struct file *filep)
- }
-
- listener->dev = idev;
-- listener->event_count = atomic_read(&idev->event);
-+ listener->event_count = atomic_read_unchecked(&idev->event);
- filep->private_data = listener;
-
- if (idev->info->open) {
-@@ -512,7 +513,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait)
- return -EIO;
-
- poll_wait(filep, &idev->wait, wait);
-- if (listener->event_count != atomic_read(&idev->event))
-+ if (listener->event_count != atomic_read_unchecked(&idev->event))
- return POLLIN | POLLRDNORM;
- return 0;
- }
-@@ -537,7 +538,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf,
- do {
- set_current_state(TASK_INTERRUPTIBLE);
-
-- event_count = atomic_read(&idev->event);
-+ event_count = atomic_read_unchecked(&idev->event);
- if (event_count != listener->event_count) {
- if (copy_to_user(buf, &event_count, count))
- retval = -EFAULT;
-@@ -606,13 +607,13 @@ static int uio_find_mem_index(struct vm_area_struct *vma)
- static void uio_vma_open(struct vm_area_struct *vma)
- {
- struct uio_device *idev = vma->vm_private_data;
-- idev->vma_count++;
-+ local_inc(&idev->vma_count);
- }
-
- static void uio_vma_close(struct vm_area_struct *vma)
- {
- struct uio_device *idev = vma->vm_private_data;
-- idev->vma_count--;
-+ local_dec(&idev->vma_count);
- }
-
- static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-@@ -821,7 +822,7 @@ int __uio_register_device(struct module *owner,
- idev->owner = owner;
- idev->info = info;
- init_waitqueue_head(&idev->wait);
-- atomic_set(&idev->event, 0);
-+ atomic_set_unchecked(&idev->event, 0);
-
- ret = uio_get_minor(idev);
- if (ret)
-diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
-index b7eb86a..36d28af 100644
---- a/drivers/usb/atm/cxacru.c
-+++ b/drivers/usb/atm/cxacru.c
-@@ -473,7 +473,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
- ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp);
- if (ret < 2)
- return -EINVAL;
-- if (index < 0 || index > 0x7f)
-+ if (index > 0x7f)
- return -EINVAL;
- pos += tmp;
-
-diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
-index ee62b35..b663594 100644
---- a/drivers/usb/atm/usbatm.c
-+++ b/drivers/usb/atm/usbatm.c
-@@ -333,7 +333,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
- if (printk_ratelimit())
- atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n",
- __func__, vpi, vci);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- return;
- }
-
-@@ -361,7 +361,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
- if (length > ATM_MAX_AAL5_PDU) {
- atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n",
- __func__, length, vcc);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto out;
- }
-
-@@ -370,14 +370,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
- if (sarb->len < pdu_length) {
- atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n",
- __func__, pdu_length, sarb->len, vcc);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto out;
- }
-
- if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) {
- atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n",
- __func__, vcc);
-- atomic_inc(&vcc->stats->rx_err);
-+ atomic_inc_unchecked(&vcc->stats->rx_err);
- goto out;
- }
-
-@@ -387,7 +387,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
- if (printk_ratelimit())
- atm_err(instance, "%s: no memory for skb (length: %u)!\n",
- __func__, length);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- goto out;
- }
-
-@@ -412,7 +412,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
-
- vcc->push(vcc, skb);
-
-- atomic_inc(&vcc->stats->rx);
-+ atomic_inc_unchecked(&vcc->stats->rx);
- out:
- skb_trim(sarb, 0);
- }
-@@ -615,7 +615,7 @@ static void usbatm_tx_process(unsigned long data)
- struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc;
-
- usbatm_pop(vcc, skb);
-- atomic_inc(&vcc->stats->tx);
-+ atomic_inc_unchecked(&vcc->stats->tx);
-
- skb = skb_dequeue(&instance->sndqueue);
- }
-@@ -770,11 +770,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t * pos, char *pag
- if (!left--)
- return sprintf(page,
- "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n",
-- atomic_read(&atm_dev->stats.aal5.tx),
-- atomic_read(&atm_dev->stats.aal5.tx_err),
-- atomic_read(&atm_dev->stats.aal5.rx),
-- atomic_read(&atm_dev->stats.aal5.rx_err),
-- atomic_read(&atm_dev->stats.aal5.rx_drop));
-+ atomic_read_unchecked(&atm_dev->stats.aal5.tx),
-+ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err),
-+ atomic_read_unchecked(&atm_dev->stats.aal5.rx),
-+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err),
-+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop));
-
- if (!left--) {
- if (instance->disconnected)
-diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
-index d956965..4179a77 100644
---- a/drivers/usb/core/devices.c
-+++ b/drivers/usb/core/devices.c
-@@ -126,7 +126,7 @@ static const char format_endpt[] =
- * time it gets called.
- */
- static struct device_connect_event {
-- atomic_t count;
-+ atomic_unchecked_t count;
- wait_queue_head_t wait;
- } device_event = {
- .count = ATOMIC_INIT(1),
-@@ -164,7 +164,7 @@ static const struct class_info clas_info[] = {
-
- void usbfs_conn_disc_event(void)
- {
-- atomic_add(2, &device_event.count);
-+ atomic_add_unchecked(2, &device_event.count);
- wake_up(&device_event.wait);
- }
-
-@@ -648,7 +648,7 @@ static unsigned int usb_device_poll(struct file *file,
-
- poll_wait(file, &device_event.wait, wait);
-
-- event_count = atomic_read(&device_event.count);
-+ event_count = atomic_read_unchecked(&device_event.count);
- if (file->f_version != event_count) {
- file->f_version = event_count;
- return POLLIN | POLLRDNORM;
-diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
-index 347bb05..63e1b73 100644
---- a/drivers/usb/early/ehci-dbgp.c
-+++ b/drivers/usb/early/ehci-dbgp.c
-@@ -97,7 +97,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len)
-
- #ifdef CONFIG_KGDB
- static struct kgdb_io kgdbdbgp_io_ops;
--#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops)
-+static struct kgdb_io kgdbdbgp_io_ops_console;
-+#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console)
- #else
- #define dbgp_kgdb_mode (0)
- #endif
-@@ -1035,6 +1036,13 @@ static struct kgdb_io kgdbdbgp_io_ops = {
- .write_char = kgdbdbgp_write_char,
- };
-
-+static struct kgdb_io kgdbdbgp_io_ops_console = {
-+ .name = "kgdbdbgp",
-+ .read_char = kgdbdbgp_read_char,
-+ .write_char = kgdbdbgp_write_char,
-+ .is_console = 1
-+};
-+
- static int kgdbdbgp_wait_time;
-
- static int __init kgdbdbgp_parse_config(char *str)
-@@ -1050,8 +1058,10 @@ static int __init kgdbdbgp_parse_config(char *str)
- ptr++;
- kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10);
- }
-- kgdb_register_io_module(&kgdbdbgp_io_ops);
-- kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1;
-+ if (early_dbgp_console.index != -1)
-+ kgdb_register_io_module(&kgdbdbgp_io_ops_console);
-+ else
-+ kgdb_register_io_module(&kgdbdbgp_io_ops);
-
- return 0;
- }
-diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
-index 5b3f5ff..6e00893 100644
---- a/drivers/usb/gadget/u_serial.c
-+++ b/drivers/usb/gadget/u_serial.c
-@@ -731,9 +731,9 @@ static int gs_open(struct tty_struct *tty, struct file *file)
- spin_lock_irq(&port->port_lock);
-
- /* already open? Great. */
-- if (port->port.count) {
-+ if (atomic_read(&port->port.count)) {
- status = 0;
-- port->port.count++;
-+ atomic_inc(&port->port.count);
-
- /* currently opening/closing? wait ... */
- } else if (port->openclose) {
-@@ -792,7 +792,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
- tty->driver_data = port;
- port->port.tty = tty;
-
-- port->port.count = 1;
-+ atomic_set(&port->port.count, 1);
- port->openclose = false;
-
- /* if connected, start the I/O stream */
-@@ -834,11 +834,11 @@ static void gs_close(struct tty_struct *tty, struct file *file)
-
- spin_lock_irq(&port->port_lock);
-
-- if (port->port.count != 1) {
-- if (port->port.count == 0)
-+ if (atomic_read(&port->port.count) != 1) {
-+ if (atomic_read(&port->port.count) == 0)
- WARN_ON(1);
- else
-- --port->port.count;
-+ atomic_dec(&port->port.count);
- goto exit;
- }
-
-@@ -848,7 +848,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
- * and sleep if necessary
- */
- port->openclose = true;
-- port->port.count = 0;
-+ atomic_set(&port->port.count, 0);
-
- gser = port->port_usb;
- if (gser && gser->disconnect)
-@@ -1152,7 +1152,7 @@ static int gs_closed(struct gs_port *port)
- int cond;
-
- spin_lock_irq(&port->port_lock);
-- cond = (port->port.count == 0) && !port->openclose;
-+ cond = (atomic_read(&port->port.count) == 0) && !port->openclose;
- spin_unlock_irq(&port->port_lock);
- return cond;
- }
-@@ -1265,7 +1265,7 @@ int gserial_connect(struct gserial *gser, u8 port_num)
- /* if it's already open, start I/O ... and notify the serial
- * protocol about open/close status (connect/disconnect).
- */
-- if (port->port.count) {
-+ if (atomic_read(&port->port.count)) {
- pr_debug("gserial_connect: start ttyGS%d\n", port->port_num);
- gs_start_io(port);
- if (gser->connect)
-@@ -1312,7 +1312,7 @@ void gserial_disconnect(struct gserial *gser)
-
- port->port_usb = NULL;
- gser->ioport = NULL;
-- if (port->port.count > 0 || port->openclose) {
-+ if (atomic_read(&port->port.count) > 0 || port->openclose) {
- wake_up_interruptible(&port->drain_wait);
- if (port->port.tty)
- tty_hangup(port->port.tty);
-@@ -1328,7 +1328,7 @@ void gserial_disconnect(struct gserial *gser)
-
- /* finally, free any unused/unusable I/O buffers */
- spin_lock_irqsave(&port->port_lock, flags);
-- if (port->port.count == 0 && !port->openclose)
-+ if (atomic_read(&port->port.count) == 0 && !port->openclose)
- gs_buf_free(&port->port_write_buf);
- gs_free_requests(gser->out, &port->read_pool, NULL);
- gs_free_requests(gser->out, &port->read_queue, NULL);
-diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
-index b9cca6d..75c75df 100644
---- a/drivers/usb/serial/console.c
-+++ b/drivers/usb/serial/console.c
-@@ -127,7 +127,7 @@ static int usb_console_setup(struct console *co, char *options)
-
- info->port = port;
-
-- ++port->port.count;
-+ atomic_inc(&port->port.count);
- if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) {
- if (serial->type->set_termios) {
- /*
-@@ -177,7 +177,7 @@ static int usb_console_setup(struct console *co, char *options)
- }
- /* Now that any required fake tty operations are completed restore
- * the tty port count */
-- --port->port.count;
-+ atomic_dec(&port->port.count);
- /* The console is special in terms of closing the device so
- * indicate this port is now acting as a system console. */
- port->port.console = 1;
-@@ -190,7 +190,7 @@ static int usb_console_setup(struct console *co, char *options)
- free_tty:
- kfree(tty);
- reset_open_count:
-- port->port.count = 0;
-+ atomic_set(&port->port.count, 0);
- usb_autopm_put_interface(serial->interface);
- error_get_interface:
- usb_serial_put(serial);
-diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h
-index d6bea3e..60b250e 100644
---- a/drivers/usb/wusbcore/wa-hc.h
-+++ b/drivers/usb/wusbcore/wa-hc.h
-@@ -192,7 +192,7 @@ struct wahc {
- struct list_head xfer_delayed_list;
- spinlock_t xfer_list_lock;
- struct work_struct xfer_work;
-- atomic_t xfer_id_count;
-+ atomic_unchecked_t xfer_id_count;
- };
-
-
-@@ -246,7 +246,7 @@ static inline void wa_init(struct wahc *wa)
- INIT_LIST_HEAD(&wa->xfer_delayed_list);
- spin_lock_init(&wa->xfer_list_lock);
- INIT_WORK(&wa->xfer_work, wa_urb_enqueue_run);
-- atomic_set(&wa->xfer_id_count, 1);
-+ atomic_set_unchecked(&wa->xfer_id_count, 1);
- }
-
- /**
-diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
-index 57c01ab..8a05959 100644
---- a/drivers/usb/wusbcore/wa-xfer.c
-+++ b/drivers/usb/wusbcore/wa-xfer.c
-@@ -296,7 +296,7 @@ out:
- */
- static void wa_xfer_id_init(struct wa_xfer *xfer)
- {
-- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
-+ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count);
- }
-
- /*
-diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
-index 112156f..eb81154 100644
---- a/drivers/vhost/vhost.c
-+++ b/drivers/vhost/vhost.c
-@@ -635,7 +635,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
- return 0;
- }
-
--static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
-+static long vhost_set_vring(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
- {
- struct file *eventfp, *filep = NULL,
- *pollstart = NULL, *pollstop = NULL;
-diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
-index b0b2ac3..89a4399 100644
---- a/drivers/video/aty/aty128fb.c
-+++ b/drivers/video/aty/aty128fb.c
-@@ -148,7 +148,7 @@ enum {
- };
-
- /* Must match above enum */
--static const char *r128_family[] __devinitdata = {
-+static const char *r128_family[] __devinitconst = {
- "AGP",
- "PCI",
- "PRO AGP",
-diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
-index 2e471c2..f00eb3e 100644
---- a/drivers/video/console/fbcon.c
-+++ b/drivers/video/console/fbcon.c
-@@ -442,7 +442,7 @@ static int __init fb_console_setup(char *this_opt)
-
- while ((options = strsep(&this_opt, ",")) != NULL) {
- if (!strncmp(options, "font:", 5))
-- strcpy(fontname, options + 5);
-+ strlcpy(fontname, options + 5, sizeof(fontname));
-
- if (!strncmp(options, "scrollback:", 11)) {
- options += 11;
-diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
-index 5c3960d..15cf8fc 100644
---- a/drivers/video/fbcmap.c
-+++ b/drivers/video/fbcmap.c
-@@ -285,8 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
- rc = -ENODEV;
- goto out;
- }
-- if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
-- !info->fbops->fb_setcmap)) {
-+ if (!info->fbops->fb_setcolreg && !info->fbops->fb_setcmap) {
- rc = -EINVAL;
- goto out1;
- }
-diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
-index 0dff12a..2ef47b3 100644
---- a/drivers/video/fbmem.c
-+++ b/drivers/video/fbmem.c
-@@ -428,7 +428,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
- image->dx += image->width + 8;
- }
- } else if (rotate == FB_ROTATE_UD) {
-- for (x = 0; x < num && image->dx >= 0; x++) {
-+ for (x = 0; x < num && (__s32)image->dx >= 0; x++) {
- info->fbops->fb_imageblit(info, image);
- image->dx -= image->width + 8;
- }
-@@ -440,7 +440,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
- image->dy += image->height + 8;
- }
- } else if (rotate == FB_ROTATE_CCW) {
-- for (x = 0; x < num && image->dy >= 0; x++) {
-+ for (x = 0; x < num && (__s32)image->dy >= 0; x++) {
- info->fbops->fb_imageblit(info, image);
- image->dy -= image->height + 8;
- }
-@@ -1166,7 +1166,7 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
- return -EFAULT;
- if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
- return -EINVAL;
-- if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
-+ if (con2fb.framebuffer >= FB_MAX)
- return -EINVAL;
- if (!registered_fb[con2fb.framebuffer])
- request_module("fb%d", con2fb.framebuffer);
-diff --git a/drivers/video/geode/gx1fb_core.c b/drivers/video/geode/gx1fb_core.c
-index 5a5d092..265c5ed 100644
---- a/drivers/video/geode/gx1fb_core.c
-+++ b/drivers/video/geode/gx1fb_core.c
-@@ -29,7 +29,7 @@ static int crt_option = 1;
- static char panel_option[32] = "";
-
- /* Modes relevant to the GX1 (taken from modedb.c) */
--static const struct fb_videomode __devinitdata gx1_modedb[] = {
-+static const struct fb_videomode __devinitconst gx1_modedb[] = {
- /* 640x480-60 VESA */
- { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
- 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
-diff --git a/drivers/video/gxt4500.c b/drivers/video/gxt4500.c
-index 0fad23f..0e9afa4 100644
---- a/drivers/video/gxt4500.c
-+++ b/drivers/video/gxt4500.c
-@@ -156,7 +156,7 @@ struct gxt4500_par {
- static char *mode_option;
-
- /* default mode: 1280x1024 @ 60 Hz, 8 bpp */
--static const struct fb_videomode defaultmode __devinitdata = {
-+static const struct fb_videomode defaultmode __devinitconst = {
- .refresh = 60,
- .xres = 1280,
- .yres = 1024,
-@@ -581,7 +581,7 @@ static int gxt4500_blank(int blank, struct fb_info *info)
- return 0;
- }
-
--static const struct fb_fix_screeninfo gxt4500_fix __devinitdata = {
-+static const struct fb_fix_screeninfo gxt4500_fix __devinitconst = {
- .id = "IBM GXT4500P",
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_PSEUDOCOLOR,
-diff --git a/drivers/video/i810/i810_accel.c b/drivers/video/i810/i810_accel.c
-index 7672d2e..b56437f 100644
---- a/drivers/video/i810/i810_accel.c
-+++ b/drivers/video/i810/i810_accel.c
-@@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space)
- }
- }
- printk("ringbuffer lockup!!!\n");
-+ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space);
- i810_report_error(mmio);
- par->dev_flags |= LOCKUP;
- info->pixmap.scan_align = 1;
-diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
-index b83f361..2b05a91 100644
---- a/drivers/video/i810/i810_main.c
-+++ b/drivers/video/i810/i810_main.c
-@@ -97,7 +97,7 @@ static int i810fb_blank (int blank_mode, struct fb_info *info);
- static void i810fb_release_resource (struct fb_info *info, struct i810fb_par *par);
-
- /* PCI */
--static const char *i810_pci_list[] __devinitdata = {
-+static const char *i810_pci_list[] __devinitconst = {
- "Intel(R) 810 Framebuffer Device" ,
- "Intel(R) 810-DC100 Framebuffer Device" ,
- "Intel(R) 810E Framebuffer Device" ,
-diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
-index de36693..3c63fc2 100644
---- a/drivers/video/jz4740_fb.c
-+++ b/drivers/video/jz4740_fb.c
-@@ -136,7 +136,7 @@ struct jzfb {
- uint32_t pseudo_palette[16];
- };
-
--static const struct fb_fix_screeninfo jzfb_fix __devinitdata = {
-+static const struct fb_fix_screeninfo jzfb_fix __devinitconst = {
- .id = "JZ4740 FB",
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_TRUECOLOR,
-diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm
-index 3c14e43..eafa544 100644
---- a/drivers/video/logo/logo_linux_clut224.ppm
-+++ b/drivers/video/logo/logo_linux_clut224.ppm
-@@ -1,1604 +1,1123 @@
- P3
--# Standard 224-color Linux logo
- 80 80
- 255
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 6 6 6 10 10 10 10 10 10
-- 10 10 10 6 6 6 6 6 6 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 6 6 6 10 10 10 14 14 14
-- 22 22 22 26 26 26 30 30 30 34 34 34
-- 30 30 30 30 30 30 26 26 26 18 18 18
-- 14 14 14 10 10 10 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 14 14 14 26 26 26 42 42 42
-- 54 54 54 66 66 66 78 78 78 78 78 78
-- 78 78 78 74 74 74 66 66 66 54 54 54
-- 42 42 42 26 26 26 18 18 18 10 10 10
-- 6 6 6 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 22 22 22 42 42 42 66 66 66 86 86 86
-- 66 66 66 38 38 38 38 38 38 22 22 22
-- 26 26 26 34 34 34 54 54 54 66 66 66
-- 86 86 86 70 70 70 46 46 46 26 26 26
-- 14 14 14 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 10 10 10 26 26 26
-- 50 50 50 82 82 82 58 58 58 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 6 6 6 54 54 54 86 86 86 66 66 66
-- 38 38 38 18 18 18 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 6 6 6 22 22 22 50 50 50
-- 78 78 78 34 34 34 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 6 6 6 70 70 70
-- 78 78 78 46 46 46 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 18 18 18 42 42 42 82 82 82
-- 26 26 26 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 14 14 14
-- 46 46 46 34 34 34 6 6 6 2 2 6
-- 42 42 42 78 78 78 42 42 42 18 18 18
-- 6 6 6 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 0 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 10 10 10 30 30 30 66 66 66 58 58 58
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 26 26 26
-- 86 86 86 101 101 101 46 46 46 10 10 10
-- 2 2 6 58 58 58 70 70 70 34 34 34
-- 10 10 10 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 14 14 14 42 42 42 86 86 86 10 10 10
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 30 30 30
-- 94 94 94 94 94 94 58 58 58 26 26 26
-- 2 2 6 6 6 6 78 78 78 54 54 54
-- 22 22 22 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 6 6 6
-- 22 22 22 62 62 62 62 62 62 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 26 26 26
-- 54 54 54 38 38 38 18 18 18 10 10 10
-- 2 2 6 2 2 6 34 34 34 82 82 82
-- 38 38 38 14 14 14 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 6 6 6
-- 30 30 30 78 78 78 30 30 30 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 10 10 10
-- 10 10 10 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 78 78 78
-- 50 50 50 18 18 18 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 38 38 38 86 86 86 14 14 14 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 54 54 54
-- 66 66 66 26 26 26 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 42 42 42 82 82 82 2 2 6 2 2 6
-- 2 2 6 6 6 6 10 10 10 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 6 6 6
-- 14 14 14 10 10 10 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 18 18 18
-- 82 82 82 34 34 34 10 10 10 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 46 46 46 86 86 86 2 2 6 2 2 6
-- 6 6 6 6 6 6 22 22 22 34 34 34
-- 6 6 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 18 18 18 34 34 34
-- 10 10 10 50 50 50 22 22 22 2 2 6
-- 2 2 6 2 2 6 2 2 6 10 10 10
-- 86 86 86 42 42 42 14 14 14 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 46 46 46 86 86 86 2 2 6 2 2 6
-- 38 38 38 116 116 116 94 94 94 22 22 22
-- 22 22 22 2 2 6 2 2 6 2 2 6
-- 14 14 14 86 86 86 138 138 138 162 162 162
--154 154 154 38 38 38 26 26 26 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 86 86 86 46 46 46 14 14 14 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 46 46 46 86 86 86 2 2 6 14 14 14
--134 134 134 198 198 198 195 195 195 116 116 116
-- 10 10 10 2 2 6 2 2 6 6 6 6
--101 98 89 187 187 187 210 210 210 218 218 218
--214 214 214 134 134 134 14 14 14 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 86 86 86 50 50 50 18 18 18 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 1 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 46 46 46 86 86 86 2 2 6 54 54 54
--218 218 218 195 195 195 226 226 226 246 246 246
-- 58 58 58 2 2 6 2 2 6 30 30 30
--210 210 210 253 253 253 174 174 174 123 123 123
--221 221 221 234 234 234 74 74 74 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 70 70 70 58 58 58 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 46 46 46 82 82 82 2 2 6 106 106 106
--170 170 170 26 26 26 86 86 86 226 226 226
--123 123 123 10 10 10 14 14 14 46 46 46
--231 231 231 190 190 190 6 6 6 70 70 70
-- 90 90 90 238 238 238 158 158 158 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 70 70 70 58 58 58 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 1 0 0 0
-- 0 0 1 0 0 1 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 42 42 42 86 86 86 6 6 6 116 116 116
--106 106 106 6 6 6 70 70 70 149 149 149
--128 128 128 18 18 18 38 38 38 54 54 54
--221 221 221 106 106 106 2 2 6 14 14 14
-- 46 46 46 190 190 190 198 198 198 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 74 74 74 62 62 62 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 1 0 0 0
-- 0 0 1 0 0 0 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 42 42 42 94 94 94 14 14 14 101 101 101
--128 128 128 2 2 6 18 18 18 116 116 116
--118 98 46 121 92 8 121 92 8 98 78 10
--162 162 162 106 106 106 2 2 6 2 2 6
-- 2 2 6 195 195 195 195 195 195 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 74 74 74 62 62 62 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 1 0 0 1
-- 0 0 1 0 0 0 0 0 1 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 38 38 38 90 90 90 14 14 14 58 58 58
--210 210 210 26 26 26 54 38 6 154 114 10
--226 170 11 236 186 11 225 175 15 184 144 12
--215 174 15 175 146 61 37 26 9 2 2 6
-- 70 70 70 246 246 246 138 138 138 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 70 70 70 66 66 66 26 26 26 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 38 38 38 86 86 86 14 14 14 10 10 10
--195 195 195 188 164 115 192 133 9 225 175 15
--239 182 13 234 190 10 232 195 16 232 200 30
--245 207 45 241 208 19 232 195 16 184 144 12
--218 194 134 211 206 186 42 42 42 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 50 50 50 74 74 74 30 30 30 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 34 34 34 86 86 86 14 14 14 2 2 6
--121 87 25 192 133 9 219 162 10 239 182 13
--236 186 11 232 195 16 241 208 19 244 214 54
--246 218 60 246 218 38 246 215 20 241 208 19
--241 208 19 226 184 13 121 87 25 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 50 50 50 82 82 82 34 34 34 10 10 10
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 34 34 34 82 82 82 30 30 30 61 42 6
--180 123 7 206 145 10 230 174 11 239 182 13
--234 190 10 238 202 15 241 208 19 246 218 74
--246 218 38 246 215 20 246 215 20 246 215 20
--226 184 13 215 174 15 184 144 12 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 26 26 26 94 94 94 42 42 42 14 14 14
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 30 30 30 78 78 78 50 50 50 104 69 6
--192 133 9 216 158 10 236 178 12 236 186 11
--232 195 16 241 208 19 244 214 54 245 215 43
--246 215 20 246 215 20 241 208 19 198 155 10
--200 144 11 216 158 10 156 118 10 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 6 6 6 90 90 90 54 54 54 18 18 18
-- 6 6 6 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 30 30 30 78 78 78 46 46 46 22 22 22
--137 92 6 210 162 10 239 182 13 238 190 10
--238 202 15 241 208 19 246 215 20 246 215 20
--241 208 19 203 166 17 185 133 11 210 150 10
--216 158 10 210 150 10 102 78 10 2 2 6
-- 6 6 6 54 54 54 14 14 14 2 2 6
-- 2 2 6 62 62 62 74 74 74 30 30 30
-- 10 10 10 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 34 34 34 78 78 78 50 50 50 6 6 6
-- 94 70 30 139 102 15 190 146 13 226 184 13
--232 200 30 232 195 16 215 174 15 190 146 13
--168 122 10 192 133 9 210 150 10 213 154 11
--202 150 34 182 157 106 101 98 89 2 2 6
-- 2 2 6 78 78 78 116 116 116 58 58 58
-- 2 2 6 22 22 22 90 90 90 46 46 46
-- 18 18 18 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 38 38 38 86 86 86 50 50 50 6 6 6
--128 128 128 174 154 114 156 107 11 168 122 10
--198 155 10 184 144 12 197 138 11 200 144 11
--206 145 10 206 145 10 197 138 11 188 164 115
--195 195 195 198 198 198 174 174 174 14 14 14
-- 2 2 6 22 22 22 116 116 116 116 116 116
-- 22 22 22 2 2 6 74 74 74 70 70 70
-- 30 30 30 10 10 10 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 6 6 6 18 18 18
-- 50 50 50 101 101 101 26 26 26 10 10 10
--138 138 138 190 190 190 174 154 114 156 107 11
--197 138 11 200 144 11 197 138 11 192 133 9
--180 123 7 190 142 34 190 178 144 187 187 187
--202 202 202 221 221 221 214 214 214 66 66 66
-- 2 2 6 2 2 6 50 50 50 62 62 62
-- 6 6 6 2 2 6 10 10 10 90 90 90
-- 50 50 50 18 18 18 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 10 10 10 34 34 34
-- 74 74 74 74 74 74 2 2 6 6 6 6
--144 144 144 198 198 198 190 190 190 178 166 146
--154 121 60 156 107 11 156 107 11 168 124 44
--174 154 114 187 187 187 190 190 190 210 210 210
--246 246 246 253 253 253 253 253 253 182 182 182
-- 6 6 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 62 62 62
-- 74 74 74 34 34 34 14 14 14 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 10 10 10 22 22 22 54 54 54
-- 94 94 94 18 18 18 2 2 6 46 46 46
--234 234 234 221 221 221 190 190 190 190 190 190
--190 190 190 187 187 187 187 187 187 190 190 190
--190 190 190 195 195 195 214 214 214 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
-- 82 82 82 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 14 14 14
-- 86 86 86 54 54 54 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 18 18 18 46 46 46 90 90 90
-- 46 46 46 18 18 18 6 6 6 182 182 182
--253 253 253 246 246 246 206 206 206 190 190 190
--190 190 190 190 190 190 190 190 190 190 190 190
--206 206 206 231 231 231 250 250 250 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--202 202 202 14 14 14 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 42 42 42 86 86 86 42 42 42 18 18 18
-- 6 6 6 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 6 6 6
-- 14 14 14 38 38 38 74 74 74 66 66 66
-- 2 2 6 6 6 6 90 90 90 250 250 250
--253 253 253 253 253 253 238 238 238 198 198 198
--190 190 190 190 190 190 195 195 195 221 221 221
--246 246 246 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 82 82 82 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 78 78 78 70 70 70 34 34 34
-- 14 14 14 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 34 34 34 66 66 66 78 78 78 6 6 6
-- 2 2 6 18 18 18 218 218 218 253 253 253
--253 253 253 253 253 253 253 253 253 246 246 246
--226 226 226 231 231 231 246 246 246 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 178 178 178 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 18 18 18 90 90 90 62 62 62
-- 30 30 30 10 10 10 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 10 10 10 26 26 26
-- 58 58 58 90 90 90 18 18 18 2 2 6
-- 2 2 6 110 110 110 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--250 250 250 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 231 231 231 18 18 18 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 18 18 18 94 94 94
-- 54 54 54 26 26 26 10 10 10 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 6 6 6 22 22 22 50 50 50
-- 90 90 90 26 26 26 2 2 6 2 2 6
-- 14 14 14 195 195 195 250 250 250 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--250 250 250 242 242 242 54 54 54 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 38 38 38
-- 86 86 86 50 50 50 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 14 14 14 38 38 38 82 82 82
-- 34 34 34 2 2 6 2 2 6 2 2 6
-- 42 42 42 195 195 195 246 246 246 253 253 253
--253 253 253 253 253 253 253 253 253 250 250 250
--242 242 242 242 242 242 250 250 250 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 250 250 250 246 246 246 238 238 238
--226 226 226 231 231 231 101 101 101 6 6 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 38 38 38 82 82 82 42 42 42 14 14 14
-- 6 6 6 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 10 10 10 26 26 26 62 62 62 66 66 66
-- 2 2 6 2 2 6 2 2 6 6 6 6
-- 70 70 70 170 170 170 206 206 206 234 234 234
--246 246 246 250 250 250 250 250 250 238 238 238
--226 226 226 231 231 231 238 238 238 250 250 250
--250 250 250 250 250 250 246 246 246 231 231 231
--214 214 214 206 206 206 202 202 202 202 202 202
--198 198 198 202 202 202 182 182 182 18 18 18
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 62 62 62 66 66 66 30 30 30
-- 10 10 10 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 14 14 14 42 42 42 82 82 82 18 18 18
-- 2 2 6 2 2 6 2 2 6 10 10 10
-- 94 94 94 182 182 182 218 218 218 242 242 242
--250 250 250 253 253 253 253 253 253 250 250 250
--234 234 234 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 246 246 246
--238 238 238 226 226 226 210 210 210 202 202 202
--195 195 195 195 195 195 210 210 210 158 158 158
-- 6 6 6 14 14 14 50 50 50 14 14 14
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 6 6 6 86 86 86 46 46 46
-- 18 18 18 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 6 6 6
-- 22 22 22 54 54 54 70 70 70 2 2 6
-- 2 2 6 10 10 10 2 2 6 22 22 22
--166 166 166 231 231 231 250 250 250 253 253 253
--253 253 253 253 253 253 253 253 253 250 250 250
--242 242 242 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 246 246 246
--231 231 231 206 206 206 198 198 198 226 226 226
-- 94 94 94 2 2 6 6 6 6 38 38 38
-- 30 30 30 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 62 62 62 66 66 66
-- 26 26 26 10 10 10 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 30 30 30 74 74 74 50 50 50 2 2 6
-- 26 26 26 26 26 26 2 2 6 106 106 106
--238 238 238 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 246 246 246 218 218 218 202 202 202
--210 210 210 14 14 14 2 2 6 2 2 6
-- 30 30 30 22 22 22 2 2 6 2 2 6
-- 2 2 6 2 2 6 18 18 18 86 86 86
-- 42 42 42 14 14 14 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 42 42 42 90 90 90 22 22 22 2 2 6
-- 42 42 42 2 2 6 18 18 18 218 218 218
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 250 250 250 221 221 221
--218 218 218 101 101 101 2 2 6 14 14 14
-- 18 18 18 38 38 38 10 10 10 2 2 6
-- 2 2 6 2 2 6 2 2 6 78 78 78
-- 58 58 58 22 22 22 6 6 6 0 0 0
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-- 0 0 0 0 0 0 6 6 6 18 18 18
-- 54 54 54 82 82 82 2 2 6 26 26 26
-- 22 22 22 2 2 6 123 123 123 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 250 250 250
--238 238 238 198 198 198 6 6 6 38 38 38
-- 58 58 58 26 26 26 38 38 38 2 2 6
-- 2 2 6 2 2 6 2 2 6 46 46 46
-- 78 78 78 30 30 30 10 10 10 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 10 10 10 30 30 30
-- 74 74 74 58 58 58 2 2 6 42 42 42
-- 2 2 6 22 22 22 231 231 231 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 250 250 250
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 246 246 246 46 46 46 38 38 38
-- 42 42 42 14 14 14 38 38 38 14 14 14
-- 2 2 6 2 2 6 2 2 6 6 6 6
-- 86 86 86 46 46 46 14 14 14 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 6 6 6 14 14 14 42 42 42
-- 90 90 90 18 18 18 18 18 18 26 26 26
-- 2 2 6 116 116 116 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 250 250 250 238 238 238
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 94 94 94 6 6 6
-- 2 2 6 2 2 6 10 10 10 34 34 34
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 74 74 74 58 58 58 22 22 22 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 10 10 10 26 26 26 66 66 66
-- 82 82 82 2 2 6 38 38 38 6 6 6
-- 14 14 14 210 210 210 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 246 246 246 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 144 144 144 2 2 6
-- 2 2 6 2 2 6 2 2 6 46 46 46
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 42 42 42 74 74 74 30 30 30 10 10 10
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 6 6 6 14 14 14 42 42 42 90 90 90
-- 26 26 26 6 6 6 42 42 42 2 2 6
-- 74 74 74 250 250 250 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 242 242 242 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 182 182 182 2 2 6
-- 2 2 6 2 2 6 2 2 6 46 46 46
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 10 10 10 86 86 86 38 38 38 10 10 10
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 10 10 10 26 26 26 66 66 66 82 82 82
-- 2 2 6 22 22 22 18 18 18 2 2 6
--149 149 149 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 234 234 234 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 206 206 206 2 2 6
-- 2 2 6 2 2 6 2 2 6 38 38 38
-- 2 2 6 2 2 6 2 2 6 2 2 6
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--210 210 210 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 234 234 234 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 221 221 221 6 6 6
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-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 82 82 82 54 54 54 18 18 18
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-- 2 2 6 38 38 38 10 10 10 26 26 26
--238 238 238 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 238 238 238
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 6 6 6
-- 2 2 6 2 2 6 10 10 10 30 30 30
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-- 2 2 6 66 66 66 58 58 58 22 22 22
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-- 38 38 38 78 78 78 6 6 6 2 2 6
-- 2 2 6 46 46 46 14 14 14 42 42 42
--246 246 246 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 234 234 234 10 10 10
-- 2 2 6 2 2 6 22 22 22 14 14 14
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 66 66 66 62 62 62 22 22 22
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--250 250 250 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 246 246 246
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 234 234 234 14 14 14
-- 2 2 6 2 2 6 30 30 30 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 66 66 66 62 62 62 22 22 22
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-- 0 0 0 0 0 0 6 6 6 18 18 18
-- 54 54 54 62 62 62 2 2 6 2 2 6
-- 2 2 6 30 30 30 46 46 46 70 70 70
--250 250 250 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 246 246 246
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 226 226 226 10 10 10
-- 2 2 6 6 6 6 30 30 30 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 66 66 66 58 58 58 22 22 22
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-- 0 0 0 0 0 0 6 6 6 22 22 22
-- 58 58 58 62 62 62 2 2 6 2 2 6
-- 2 2 6 2 2 6 30 30 30 78 78 78
--250 250 250 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 246 246 246
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 206 206 206 2 2 6
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-- 2 2 6 82 82 82 54 54 54 18 18 18
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-- 0 0 0 0 0 0 6 6 6 26 26 26
-- 62 62 62 106 106 106 74 54 14 185 133 11
--210 162 10 121 92 8 6 6 6 62 62 62
--238 238 238 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 246 246 246
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 158 158 158 18 18 18
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-- 78 78 78 142 134 106 216 158 10 242 186 14
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-- 90 90 90 238 238 238 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 250 250 250
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 246 230 190
--238 204 91 238 204 91 181 142 44 37 26 9
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 38 38 38 46 46 46
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-- 30 30 30 38 38 38 50 50 50 70 70 70
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--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 231 231 231 250 250 250
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 228 184 62
--241 196 14 241 208 19 232 195 16 38 30 10
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 6 6 6 30 30 30 26 26 26
--203 166 17 154 142 90 66 66 66 26 26 26
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-- 6 6 6 18 18 18 38 38 38 58 58 58
-- 78 78 78 86 86 86 101 101 101 123 123 123
--175 146 61 210 150 10 234 174 13 246 186 14
--246 190 14 246 190 14 246 190 14 238 190 10
--102 78 10 2 2 6 46 46 46 198 198 198
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 234 234 234 242 242 242
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 224 178 62
--242 186 14 241 196 14 210 166 10 22 18 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 6 6 6 121 92 8
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--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 250 250 250 242 242 242 224 178 62
--239 182 13 236 186 11 213 154 11 46 32 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 61 42 6 225 175 15
--238 190 10 236 186 11 112 100 78 42 42 42
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-- 6 6 6 116 116 116 242 242 242 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 231 231 231 198 198 198 214 170 54
--236 178 12 236 178 12 210 150 10 137 92 6
-- 18 14 6 2 2 6 2 2 6 2 2 6
-- 6 6 6 70 47 6 200 144 11 236 178 12
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--239 182 13 242 186 14 242 186 14 246 186 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 232 195 16 98 70 6 2 2 6
-- 2 2 6 2 2 6 66 66 66 221 221 221
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 206 206 206 198 198 198 214 166 58
--230 174 11 230 174 11 216 158 10 192 133 9
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-- 30 30 30 78 78 78 190 142 34 226 170 11
--239 182 13 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 241 196 14 203 166 17 22 18 6
-- 2 2 6 2 2 6 2 2 6 38 38 38
--218 218 218 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--250 250 250 206 206 206 198 198 198 202 162 69
--226 170 11 236 178 12 224 166 10 210 150 10
--200 144 11 197 138 11 192 133 9 197 138 11
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--239 182 13 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 241 196 14 139 102 15
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 78 78 78 250 250 250 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--250 250 250 214 214 214 198 198 198 190 150 46
--219 162 10 236 178 12 234 174 13 224 166 10
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--246 190 14 246 190 14 242 186 14 206 162 42
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--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 241 196 14 226 184 13
-- 61 42 6 2 2 6 2 2 6 2 2 6
-- 22 22 22 238 238 238 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 226 226 226 187 187 187 180 133 36
--216 158 10 236 178 12 239 182 13 236 178 12
--230 174 11 226 170 11 226 170 11 230 174 11
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-- 26 26 26 70 70 70 163 133 67 213 154 11
--236 178 12 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 241 196 14
--190 146 13 18 14 6 2 2 6 2 2 6
-- 46 46 46 246 246 246 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 221 221 221 86 86 86 156 107 11
--216 158 10 236 178 12 242 186 14 246 186 14
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--246 190 14 246 190 14 246 190 14 246 190 14
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-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 6 6 6
-- 26 26 26 70 70 70 163 133 67 210 150 10
--236 178 12 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--232 195 16 121 92 8 34 34 34 106 106 106
--221 221 221 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--242 242 242 82 82 82 18 14 6 163 110 8
--216 158 10 236 178 12 242 186 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 242 186 14 163 133 67
-- 46 46 46 18 18 18 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 10 10 10
-- 30 30 30 78 78 78 163 133 67 210 150 10
--236 178 12 246 186 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--241 196 14 215 174 15 190 178 144 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 218 218 218
-- 58 58 58 2 2 6 22 18 6 167 114 7
--216 158 10 236 178 12 246 186 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 186 14 242 186 14 190 150 46
-- 54 54 54 22 22 22 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 38 38 38 86 86 86 180 133 36 213 154 11
--236 178 12 246 186 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 232 195 16 190 146 13 214 214 214
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 250 250 250 170 170 170 26 26 26
-- 2 2 6 2 2 6 37 26 9 163 110 8
--219 162 10 239 182 13 246 186 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 186 14 236 178 12 224 166 10 142 122 72
-- 46 46 46 18 18 18 6 6 6 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 6 6 6 18 18 18
-- 50 50 50 109 106 95 192 133 9 224 166 10
--242 186 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--242 186 14 226 184 13 210 162 10 142 110 46
--226 226 226 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--253 253 253 253 253 253 253 253 253 253 253 253
--198 198 198 66 66 66 2 2 6 2 2 6
-- 2 2 6 2 2 6 50 34 6 156 107 11
--219 162 10 239 182 13 246 186 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 242 186 14
--234 174 13 213 154 11 154 122 46 66 66 66
-- 30 30 30 10 10 10 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 6 6 6 22 22 22
-- 58 58 58 154 121 60 206 145 10 234 174 13
--242 186 14 246 186 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 186 14 236 178 12 210 162 10 163 110 8
-- 61 42 6 138 138 138 218 218 218 250 250 250
--253 253 253 253 253 253 253 253 253 250 250 250
--242 242 242 210 210 210 144 144 144 66 66 66
-- 6 6 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 61 42 6 163 110 8
--216 158 10 236 178 12 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 239 182 13 230 174 11 216 158 10
--190 142 34 124 112 88 70 70 70 38 38 38
-- 18 18 18 6 6 6 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 0 0 0 0 0 0
-- 0 0 0 0 0 0 6 6 6 22 22 22
-- 62 62 62 168 124 44 206 145 10 224 166 10
--236 178 12 239 182 13 242 186 14 242 186 14
--246 186 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 236 178 12 216 158 10 175 118 6
-- 80 54 7 2 2 6 6 6 6 30 30 30
-- 54 54 54 62 62 62 50 50 50 38 38 38
-- 14 14 14 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 6 6 6 80 54 7 167 114 7
--213 154 11 236 178 12 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 190 14 242 186 14 239 182 13 239 182 13
--230 174 11 210 150 10 174 135 50 124 112 88
-- 82 82 82 54 54 54 34 34 34 18 18 18
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-- 0 0 0 0 0 0 6 6 6 18 18 18
-- 50 50 50 158 118 36 192 133 9 200 144 11
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--230 174 11 236 178 12 239 182 13 239 182 13
--242 186 14 246 186 14 246 190 14 246 190 14
--246 190 14 246 190 14 246 190 14 246 190 14
--246 186 14 230 174 11 210 150 10 163 110 8
--104 69 6 10 10 10 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 6 6 6 91 60 6 167 114 7
--206 145 10 230 174 11 242 186 14 246 190 14
--246 190 14 246 190 14 246 186 14 242 186 14
--239 182 13 230 174 11 224 166 10 213 154 11
--180 133 36 124 112 88 86 86 86 58 58 58
-- 38 38 38 22 22 22 10 10 10 6 6 6
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-- 0 0 0 0 0 0 0 0 0 14 14 14
-- 34 34 34 70 70 70 138 110 50 158 118 36
--167 114 7 180 123 7 192 133 9 197 138 11
--200 144 11 206 145 10 213 154 11 219 162 10
--224 166 10 230 174 11 239 182 13 242 186 14
--246 186 14 246 186 14 246 186 14 246 186 14
--239 182 13 216 158 10 185 133 11 152 99 6
--104 69 6 18 14 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 2 2 6 2 2 6 2 2 6
-- 2 2 6 6 6 6 80 54 7 152 99 6
--192 133 9 219 162 10 236 178 12 239 182 13
--246 186 14 242 186 14 239 182 13 236 178 12
--224 166 10 206 145 10 192 133 9 154 121 60
-- 94 94 94 62 62 62 42 42 42 22 22 22
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-- 18 18 18 34 34 34 58 58 58 78 78 78
--101 98 89 124 112 88 142 110 46 156 107 11
--163 110 8 167 114 7 175 118 6 180 123 7
--185 133 11 197 138 11 210 150 10 219 162 10
--226 170 11 236 178 12 236 178 12 234 174 13
--219 162 10 197 138 11 163 110 8 130 83 6
-- 91 60 6 10 10 10 2 2 6 2 2 6
-- 18 18 18 38 38 38 38 38 38 38 38 38
-- 38 38 38 38 38 38 38 38 38 38 38 38
-- 38 38 38 38 38 38 26 26 26 2 2 6
-- 2 2 6 6 6 6 70 47 6 137 92 6
--175 118 6 200 144 11 219 162 10 230 174 11
--234 174 13 230 174 11 219 162 10 210 150 10
--192 133 9 163 110 8 124 112 88 82 82 82
-- 50 50 50 30 30 30 14 14 14 6 6 6
-- 0 0 0 0 0 0 0 0 0 0 0 0
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-- 6 6 6 14 14 14 22 22 22 34 34 34
-- 42 42 42 58 58 58 74 74 74 86 86 86
--101 98 89 122 102 70 130 98 46 121 87 25
--137 92 6 152 99 6 163 110 8 180 123 7
--185 133 11 197 138 11 206 145 10 200 144 11
--180 123 7 156 107 11 130 83 6 104 69 6
-- 50 34 6 54 54 54 110 110 110 101 98 89
-- 86 86 86 82 82 82 78 78 78 78 78 78
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-+4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 5 5 5 4 3 3 5 5 5 6 6 6 4 3 3
-+4 3 3 6 6 6 6 6 6 4 3 3 6 6 6 4 3 3
-+5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 6 6 6
-+5 5 5 4 3 3 4 3 3 4 3 3 5 5 5 5 5 5
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 4 3 3
-+5 5 5 4 3 3 5 5 5 5 5 5 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
-+4 4 4 4 4 4
-diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
-index 8af6414..658c030 100644
---- a/drivers/video/udlfb.c
-+++ b/drivers/video/udlfb.c
-@@ -620,11 +620,11 @@ int dlfb_handle_damage(struct dlfb_data *dev, int x, int y,
- dlfb_urb_completion(urb);
-
- error:
-- atomic_add(bytes_sent, &dev->bytes_sent);
-- atomic_add(bytes_identical, &dev->bytes_identical);
-- atomic_add(width*height*2, &dev->bytes_rendered);
-+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
-+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
-+ atomic_add_unchecked(width*height*2, &dev->bytes_rendered);
- end_cycles = get_cycles();
-- atomic_add(((unsigned int) ((end_cycles - start_cycles)
-+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
- >> 10)), /* Kcycles */
- &dev->cpu_kcycles_used);
-
-@@ -745,11 +745,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info,
- dlfb_urb_completion(urb);
-
- error:
-- atomic_add(bytes_sent, &dev->bytes_sent);
-- atomic_add(bytes_identical, &dev->bytes_identical);
-- atomic_add(bytes_rendered, &dev->bytes_rendered);
-+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
-+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
-+ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered);
- end_cycles = get_cycles();
-- atomic_add(((unsigned int) ((end_cycles - start_cycles)
-+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
- >> 10)), /* Kcycles */
- &dev->cpu_kcycles_used);
- }
-@@ -1373,7 +1373,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev,
- struct fb_info *fb_info = dev_get_drvdata(fbdev);
- struct dlfb_data *dev = fb_info->par;
- return snprintf(buf, PAGE_SIZE, "%u\n",
-- atomic_read(&dev->bytes_rendered));
-+ atomic_read_unchecked(&dev->bytes_rendered));
- }
-
- static ssize_t metrics_bytes_identical_show(struct device *fbdev,
-@@ -1381,7 +1381,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev,
- struct fb_info *fb_info = dev_get_drvdata(fbdev);
- struct dlfb_data *dev = fb_info->par;
- return snprintf(buf, PAGE_SIZE, "%u\n",
-- atomic_read(&dev->bytes_identical));
-+ atomic_read_unchecked(&dev->bytes_identical));
- }
-
- static ssize_t metrics_bytes_sent_show(struct device *fbdev,
-@@ -1389,7 +1389,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev,
- struct fb_info *fb_info = dev_get_drvdata(fbdev);
- struct dlfb_data *dev = fb_info->par;
- return snprintf(buf, PAGE_SIZE, "%u\n",
-- atomic_read(&dev->bytes_sent));
-+ atomic_read_unchecked(&dev->bytes_sent));
- }
-
- static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
-@@ -1397,7 +1397,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
- struct fb_info *fb_info = dev_get_drvdata(fbdev);
- struct dlfb_data *dev = fb_info->par;
- return snprintf(buf, PAGE_SIZE, "%u\n",
-- atomic_read(&dev->cpu_kcycles_used));
-+ atomic_read_unchecked(&dev->cpu_kcycles_used));
- }
-
- static ssize_t edid_show(
-@@ -1457,10 +1457,10 @@ static ssize_t metrics_reset_store(struct device *fbdev,
- struct fb_info *fb_info = dev_get_drvdata(fbdev);
- struct dlfb_data *dev = fb_info->par;
-
-- atomic_set(&dev->bytes_rendered, 0);
-- atomic_set(&dev->bytes_identical, 0);
-- atomic_set(&dev->bytes_sent, 0);
-- atomic_set(&dev->cpu_kcycles_used, 0);
-+ atomic_set_unchecked(&dev->bytes_rendered, 0);
-+ atomic_set_unchecked(&dev->bytes_identical, 0);
-+ atomic_set_unchecked(&dev->bytes_sent, 0);
-+ atomic_set_unchecked(&dev->cpu_kcycles_used, 0);
-
- return count;
- }
-diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
-index b0e2a42..e2df3ad 100644
---- a/drivers/video/uvesafb.c
-+++ b/drivers/video/uvesafb.c
-@@ -19,6 +19,7 @@
- #include <linux/io.h>
- #include <linux/mutex.h>
- #include <linux/slab.h>
-+#include <linux/moduleloader.h>
- #include <video/edid.h>
- #include <video/uvesafb.h>
- #ifdef CONFIG_X86
-@@ -569,10 +570,32 @@ static int __devinit uvesafb_vbe_getpmi(struct uvesafb_ktask *task,
- if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) {
- par->pmi_setpal = par->ypan = 0;
- } else {
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifdef CONFIG_MODULES
-+ par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx);
-+#endif
-+ if (!par->pmi_code) {
-+ par->pmi_setpal = par->ypan = 0;
-+ return 0;
-+ }
-+#endif
-+
- par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4)
- + task->t.regs.edi);
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ pax_open_kernel();
-+ memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx);
-+ pax_close_kernel();
-+
-+ par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]);
-+ par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]);
-+#else
- par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1];
- par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2];
-+#endif
-+
- printk(KERN_INFO "uvesafb: protected mode interface info at "
- "%04x:%04x\n",
- (u16)task->t.regs.es, (u16)task->t.regs.edi);
-@@ -816,13 +839,14 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info)
- par->ypan = ypan;
-
- if (par->pmi_setpal || par->ypan) {
-+#if !defined(CONFIG_MODULES) || !defined(CONFIG_PAX_KERNEXEC)
- if (__supported_pte_mask & _PAGE_NX) {
- par->pmi_setpal = par->ypan = 0;
- printk(KERN_WARNING "uvesafb: NX protection is actively."
- "We have better not to use the PMI.\n");
-- } else {
-+ } else
-+#endif
- uvesafb_vbe_getpmi(task, par);
-- }
- }
- #else
- /* The protected mode interface is not available on non-x86. */
-@@ -1836,6 +1860,11 @@ out:
- if (par->vbe_modes)
- kfree(par->vbe_modes);
-
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ if (par->pmi_code)
-+ module_free_exec(NULL, par->pmi_code);
-+#endif
-+
- framebuffer_release(info);
- return err;
- }
-@@ -1862,6 +1891,12 @@ static int uvesafb_remove(struct platform_device *dev)
- kfree(par->vbe_state_orig);
- if (par->vbe_state_saved)
- kfree(par->vbe_state_saved);
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ if (par->pmi_code)
-+ module_free_exec(NULL, par->pmi_code);
-+#endif
-+
- }
-
- framebuffer_release(info);
-diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
-index 501b340..86bd4cf 100644
---- a/drivers/video/vesafb.c
-+++ b/drivers/video/vesafb.c
-@@ -9,6 +9,7 @@
- */
-
- #include <linux/module.h>
-+#include <linux/moduleloader.h>
- #include <linux/kernel.h>
- #include <linux/errno.h>
- #include <linux/string.h>
-@@ -52,8 +53,8 @@ static int vram_remap __initdata; /* Set amount of memory to be used */
- static int vram_total __initdata; /* Set total amount of memory */
- static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */
- static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */
--static void (*pmi_start)(void) __read_mostly;
--static void (*pmi_pal) (void) __read_mostly;
-+static void (*pmi_start)(void) __read_only;
-+static void (*pmi_pal) (void) __read_only;
- static int depth __read_mostly;
- static int vga_compat __read_mostly;
- /* --------------------------------------------------------------------- */
-@@ -233,6 +234,7 @@ static int __init vesafb_probe(struct platform_device *dev)
- unsigned int size_vmode;
- unsigned int size_remap;
- unsigned int size_total;
-+ void *pmi_code = NULL;
-
- if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB)
- return -ENODEV;
-@@ -275,10 +277,6 @@ static int __init vesafb_probe(struct platform_device *dev)
- size_remap = size_total;
- vesafb_fix.smem_len = size_remap;
-
--#ifndef __i386__
-- screen_info.vesapm_seg = 0;
--#endif
--
- if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) {
- printk(KERN_WARNING
- "vesafb: cannot reserve video memory at 0x%lx\n",
-@@ -307,9 +305,21 @@ static int __init vesafb_probe(struct platform_device *dev)
- printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
- vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages);
-
-+#ifdef __i386__
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ pmi_code = module_alloc_exec(screen_info.vesapm_size);
-+ if (!pmi_code)
-+#elif !defined(CONFIG_PAX_KERNEXEC)
-+ if (0)
-+#endif
-+
-+#endif
-+ screen_info.vesapm_seg = 0;
-+
- if (screen_info.vesapm_seg) {
-- printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n",
-- screen_info.vesapm_seg,screen_info.vesapm_off);
-+ printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n",
-+ screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size);
- }
-
- if (screen_info.vesapm_seg < 0xc000)
-@@ -317,9 +327,25 @@ static int __init vesafb_probe(struct platform_device *dev)
-
- if (ypan || pmi_setpal) {
- unsigned short *pmi_base;
-+
- pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
-- pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
-- pmi_pal = (void*)((char*)pmi_base + pmi_base[2]);
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ pax_open_kernel();
-+ memcpy(pmi_code, pmi_base, screen_info.vesapm_size);
-+#else
-+ pmi_code = pmi_base;
-+#endif
-+
-+ pmi_start = (void*)((char*)pmi_code + pmi_base[1]);
-+ pmi_pal = (void*)((char*)pmi_code + pmi_base[2]);
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ pmi_start = ktva_ktla(pmi_start);
-+ pmi_pal = ktva_ktla(pmi_pal);
-+ pax_close_kernel();
-+#endif
-+
- printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal);
- if (pmi_base[3]) {
- printk(KERN_INFO "vesafb: pmi: ports = ");
-@@ -488,6 +514,11 @@ static int __init vesafb_probe(struct platform_device *dev)
- info->node, info->fix.id);
- return 0;
- err:
-+
-+#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
-+ module_free_exec(NULL, pmi_code);
-+#endif
-+
- if (info->screen_base)
- iounmap(info->screen_base);
- framebuffer_release(info);
-diff --git a/drivers/video/via/via_clock.h b/drivers/video/via/via_clock.h
-index 88714ae..16c2e11 100644
---- a/drivers/video/via/via_clock.h
-+++ b/drivers/video/via/via_clock.h
-@@ -56,7 +56,7 @@ struct via_clock {
-
- void (*set_engine_pll_state)(u8 state);
- void (*set_engine_pll)(struct via_pll_config config);
--};
-+} __no_const;
-
-
- static inline u32 get_pll_internal_frequency(u32 ref_freq,
-diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
-index e56c934..fc22f4b 100644
---- a/drivers/xen/xen-pciback/conf_space.h
-+++ b/drivers/xen/xen-pciback/conf_space.h
-@@ -44,15 +44,15 @@ struct config_field {
- struct {
- conf_dword_write write;
- conf_dword_read read;
-- } dw;
-+ } __no_const dw;
- struct {
- conf_word_write write;
- conf_word_read read;
-- } w;
-+ } __no_const w;
- struct {
- conf_byte_write write;
- conf_byte_read read;
-- } b;
-+ } __no_const b;
- } u;
- struct list_head list;
- };
-diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
-index 57ccb75..f6d05f8 100644
---- a/fs/9p/vfs_inode.c
-+++ b/fs/9p/vfs_inode.c
-@@ -1303,7 +1303,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
- void
- v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
- {
-- char *s = nd_get_link(nd);
-+ const char *s = nd_get_link(nd);
-
- p9_debug(P9_DEBUG_VFS, " %s %s\n",
- dentry->d_name.name, IS_ERR(s) ? "<error>" : s);
-diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
-index 0225742..1cd4732 100644
---- a/fs/Kconfig.binfmt
-+++ b/fs/Kconfig.binfmt
-@@ -89,7 +89,7 @@ config HAVE_AOUT
-
- config BINFMT_AOUT
- tristate "Kernel support for a.out and ECOFF binaries"
-- depends on HAVE_AOUT
-+ depends on HAVE_AOUT && BROKEN
- ---help---
- A.out (Assembler.OUTput) is a set of formats for libraries and
- executables used in the earliest versions of UNIX. Linux used
-diff --git a/fs/aio.c b/fs/aio.c
-index 55c4c76..11aee6f 100644
---- a/fs/aio.c
-+++ b/fs/aio.c
-@@ -118,7 +118,7 @@ static int aio_setup_ring(struct kioctx *ctx)
- size += sizeof(struct io_event) * nr_events;
- nr_pages = (size + PAGE_SIZE-1) >> PAGE_SHIFT;
-
-- if (nr_pages < 0)
-+ if (nr_pages <= 0)
- return -EINVAL;
-
- nr_events = (PAGE_SIZE * nr_pages - sizeof(struct aio_ring)) / sizeof(struct io_event);
-@@ -1440,18 +1440,19 @@ static ssize_t aio_fsync(struct kiocb *iocb)
- static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat)
- {
- ssize_t ret;
-+ struct iovec iovstack;
-
- #ifdef CONFIG_COMPAT
- if (compat)
- ret = compat_rw_copy_check_uvector(type,
- (struct compat_iovec __user *)kiocb->ki_buf,
-- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
-+ kiocb->ki_nbytes, 1, &iovstack,
- &kiocb->ki_iovec);
- else
- #endif
- ret = rw_copy_check_uvector(type,
- (struct iovec __user *)kiocb->ki_buf,
-- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
-+ kiocb->ki_nbytes, 1, &iovstack,
- &kiocb->ki_iovec);
- if (ret < 0)
- goto out;
-@@ -1460,6 +1461,10 @@ static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat)
- if (ret < 0)
- goto out;
-
-+ if (kiocb->ki_iovec == &iovstack) {
-+ kiocb->ki_inline_vec = iovstack;
-+ kiocb->ki_iovec = &kiocb->ki_inline_vec;
-+ }
- kiocb->ki_nr_segs = kiocb->ki_nbytes;
- kiocb->ki_cur_seg = 0;
- /* ki_nbytes/left now reflect bytes instead of segs */
-diff --git a/fs/attr.c b/fs/attr.c
-index 0da9095..1386693 100644
---- a/fs/attr.c
-+++ b/fs/attr.c
-@@ -99,6 +99,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset)
- unsigned long limit;
-
- limit = rlimit(RLIMIT_FSIZE);
-+ gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1);
- if (limit != RLIM_INFINITY && offset > limit)
- goto out_sig;
- if (offset > inode->i_sb->s_maxbytes)
-diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
-index da8876d..4456166 100644
---- a/fs/autofs4/waitq.c
-+++ b/fs/autofs4/waitq.c
-@@ -61,7 +61,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
- {
- unsigned long sigpipe, flags;
- mm_segment_t fs;
-- const char *data = (const char *)addr;
-+ const char __user *data = (const char __force_user *)addr;
- ssize_t wr = 0;
-
- sigpipe = sigismember(¤t->pending.signal, SIGPIPE);
-@@ -348,6 +348,10 @@ static int validate_request(struct autofs_wait_queue **wait,
- return 1;
- }
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+static atomic_unchecked_t autofs_dummy_name_id = ATOMIC_INIT(0);
-+#endif
-+
- int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
- enum autofs_notify notify)
- {
-@@ -381,7 +385,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
-
- /* If this is a direct mount request create a dummy name */
- if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type))
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ /* this name does get written to userland via autofs4_write() */
-+ qstr.len = sprintf(name, "%08lx", atomic_inc_return_unchecked(&autofs_dummy_name_id));
-+#else
- qstr.len = sprintf(name, "%p", dentry);
-+#endif
- else {
- qstr.len = autofs4_getpath(sbi, dentry, &name);
- if (!qstr.len) {
-diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
-index e18da23..affc30e 100644
---- a/fs/befs/linuxvfs.c
-+++ b/fs/befs/linuxvfs.c
-@@ -502,7 +502,7 @@ static void befs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
- {
- befs_inode_info *befs_ino = BEFS_I(dentry->d_inode);
- if (befs_ino->i_flags & BEFS_LONG_SYMLINK) {
-- char *link = nd_get_link(nd);
-+ const char *link = nd_get_link(nd);
- if (!IS_ERR(link))
- kfree(link);
- }
-diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
-index d146e18..12d1bd1 100644
---- a/fs/binfmt_aout.c
-+++ b/fs/binfmt_aout.c
-@@ -16,6 +16,7 @@
- #include <linux/string.h>
- #include <linux/fs.h>
- #include <linux/file.h>
-+#include <linux/security.h>
- #include <linux/stat.h>
- #include <linux/fcntl.h>
- #include <linux/ptrace.h>
-@@ -83,6 +84,8 @@ static int aout_core_dump(struct coredump_params *cprm)
- #endif
- # define START_STACK(u) ((void __user *)u.start_stack)
-
-+ memset(&dump, 0, sizeof(dump));
-+
- fs = get_fs();
- set_fs(KERNEL_DS);
- has_dumped = 1;
-@@ -94,10 +97,12 @@ static int aout_core_dump(struct coredump_params *cprm)
-
- /* If the size of the dump file exceeds the rlimit, then see what would happen
- if we wrote the stack, but not the data area. */
-+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1);
- if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit)
- dump.u_dsize = 0;
-
- /* Make sure we have enough room to write the stack and data areas. */
-+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1);
- if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit)
- dump.u_ssize = 0;
-
-@@ -231,6 +236,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
- rlim = rlimit(RLIMIT_DATA);
- if (rlim >= RLIM_INFINITY)
- rlim = ~0;
-+
-+ gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1);
- if (ex.a_data + ex.a_bss > rlim)
- return -ENOMEM;
-
-@@ -265,6 +272,27 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
-
- install_exec_creds(bprm);
-
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+ current->mm->pax_flags = 0UL;
-+#endif
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) {
-+ current->mm->pax_flags |= MF_PAX_PAGEEXEC;
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (N_FLAGS(ex) & F_PAX_EMUTRAMP)
-+ current->mm->pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (!(N_FLAGS(ex) & F_PAX_MPROTECT))
-+ current->mm->pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+ }
-+#endif
-+
- if (N_MAGIC(ex) == OMAGIC) {
- unsigned long text_addr, map_size;
- loff_t pos;
-@@ -330,7 +358,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
- }
-
- error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
-- PROT_READ | PROT_WRITE | PROT_EXEC,
-+ PROT_READ | PROT_WRITE,
- MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE,
- fd_offset + ex.a_text);
- if (error != N_DATADDR(ex)) {
-diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
-index 1b52956..271266e 100644
---- a/fs/binfmt_elf.c
-+++ b/fs/binfmt_elf.c
-@@ -32,6 +32,7 @@
- #include <linux/elf.h>
- #include <linux/utsname.h>
- #include <linux/coredump.h>
-+#include <linux/xattr.h>
- #include <asm/uaccess.h>
- #include <asm/param.h>
- #include <asm/page.h>
-@@ -52,6 +53,10 @@ static int elf_core_dump(struct coredump_params *cprm);
- #define elf_core_dump NULL
- #endif
-
-+#ifdef CONFIG_PAX_MPROTECT
-+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags);
-+#endif
-+
- #if ELF_EXEC_PAGESIZE > PAGE_SIZE
- #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE
- #else
-@@ -71,6 +76,11 @@ static struct linux_binfmt elf_format = {
- .load_binary = load_elf_binary,
- .load_shlib = load_elf_library,
- .core_dump = elf_core_dump,
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ .handle_mprotect= elf_handle_mprotect,
-+#endif
-+
- .min_coredump = ELF_EXEC_PAGESIZE,
- };
-
-@@ -78,6 +88,8 @@ static struct linux_binfmt elf_format = {
-
- static int set_brk(unsigned long start, unsigned long end)
- {
-+ unsigned long e = end;
-+
- start = ELF_PAGEALIGN(start);
- end = ELF_PAGEALIGN(end);
- if (end > start) {
-@@ -86,7 +98,7 @@ static int set_brk(unsigned long start, unsigned long end)
- if (BAD_ADDR(addr))
- return addr;
- }
-- current->mm->start_brk = current->mm->brk = end;
-+ current->mm->start_brk = current->mm->brk = e;
- return 0;
- }
-
-@@ -147,12 +159,13 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
- elf_addr_t __user *u_rand_bytes;
- const char *k_platform = ELF_PLATFORM;
- const char *k_base_platform = ELF_BASE_PLATFORM;
-- unsigned char k_rand_bytes[16];
-+ u32 k_rand_bytes[4];
- int items;
- elf_addr_t *elf_info;
- int ei_index = 0;
- const struct cred *cred = current_cred();
- struct vm_area_struct *vma;
-+ unsigned long saved_auxv[AT_VECTOR_SIZE];
-
- /*
- * In some cases (e.g. Hyper-Threading), we want to avoid L1
-@@ -194,8 +207,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
- * Generate 16 random bytes for userspace PRNG seeding.
- */
- get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes));
-- u_rand_bytes = (elf_addr_t __user *)
-- STACK_ALLOC(p, sizeof(k_rand_bytes));
-+ srandom32(k_rand_bytes[0] ^ random32());
-+ srandom32(k_rand_bytes[1] ^ random32());
-+ srandom32(k_rand_bytes[2] ^ random32());
-+ srandom32(k_rand_bytes[3] ^ random32());
-+ p = STACK_ROUND(p, sizeof(k_rand_bytes));
-+ u_rand_bytes = (elf_addr_t __user *) p;
- if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
- return -EFAULT;
-
-@@ -307,9 +324,11 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
- return -EFAULT;
- current->mm->env_end = p;
-
-+ memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t));
-+
- /* Put the elf_info on the stack in the right place. */
- sp = (elf_addr_t __user *)envp + 1;
-- if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t)))
-+ if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t)))
- return -EFAULT;
- return 0;
- }
-@@ -378,10 +397,10 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
- {
- struct elf_phdr *elf_phdata;
- struct elf_phdr *eppnt;
-- unsigned long load_addr = 0;
-+ unsigned long load_addr = 0, pax_task_size = TASK_SIZE;
- int load_addr_set = 0;
- unsigned long last_bss = 0, elf_bss = 0;
-- unsigned long error = ~0UL;
-+ unsigned long error = -EINVAL;
- unsigned long total_size;
- int retval, i, size;
-
-@@ -427,6 +446,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
- goto out_close;
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
- eppnt = elf_phdata;
- for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
- if (eppnt->p_type == PT_LOAD) {
-@@ -470,8 +494,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
- k = load_addr + eppnt->p_vaddr;
- if (BAD_ADDR(k) ||
- eppnt->p_filesz > eppnt->p_memsz ||
-- eppnt->p_memsz > TASK_SIZE ||
-- TASK_SIZE - eppnt->p_memsz < k) {
-+ eppnt->p_memsz > pax_task_size ||
-+ pax_task_size - eppnt->p_memsz < k) {
- error = -ENOMEM;
- goto out_close;
- }
-@@ -523,6 +547,311 @@ out:
- return error;
- }
-
-+#ifdef CONFIG_PAX_PT_PAX_FLAGS
-+#ifdef CONFIG_PAX_SOFTMODE
-+static unsigned long pax_parse_pt_pax_softmode(const struct elf_phdr * const elf_phdata)
-+{
-+ unsigned long pax_flags = 0UL;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (elf_phdata->p_flags & PF_PAGEEXEC)
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (elf_phdata->p_flags & PF_SEGMEXEC)
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (elf_phdata->p_flags & PF_EMUTRAMP)
-+ pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (elf_phdata->p_flags & PF_MPROTECT)
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
-+ if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP))
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+ return pax_flags;
-+}
-+#endif
-+
-+static unsigned long pax_parse_pt_pax_hardmode(const struct elf_phdr * const elf_phdata)
-+{
-+ unsigned long pax_flags = 0UL;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(elf_phdata->p_flags & PF_NOPAGEEXEC))
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!(elf_phdata->p_flags & PF_NOSEGMEXEC))
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (!(elf_phdata->p_flags & PF_NOEMUTRAMP))
-+ pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (!(elf_phdata->p_flags & PF_NOMPROTECT))
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
-+ if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP))
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+ return pax_flags;
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
-+#ifdef CONFIG_PAX_SOFTMODE
-+static unsigned long pax_parse_xattr_pax_softmode(unsigned long pax_flags_softmode)
-+{
-+ unsigned long pax_flags = 0UL;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (pax_flags_softmode & MF_PAX_PAGEEXEC)
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (pax_flags_softmode & MF_PAX_SEGMEXEC)
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (pax_flags_softmode & MF_PAX_EMUTRAMP)
-+ pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (pax_flags_softmode & MF_PAX_MPROTECT)
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
-+ if (randomize_va_space && (pax_flags_softmode & MF_PAX_RANDMMAP))
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+ return pax_flags;
-+}
-+#endif
-+
-+static unsigned long pax_parse_xattr_pax_hardmode(unsigned long pax_flags_hardmode)
-+{
-+ unsigned long pax_flags = 0UL;
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(pax_flags_hardmode & MF_PAX_PAGEEXEC))
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!(pax_flags_hardmode & MF_PAX_SEGMEXEC))
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (!(pax_flags_hardmode & MF_PAX_EMUTRAMP))
-+ pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (!(pax_flags_hardmode & MF_PAX_MPROTECT))
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
-+ if (randomize_va_space && !(pax_flags_hardmode & MF_PAX_RANDMMAP))
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+ return pax_flags;
-+}
-+#endif
-+
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex)
-+{
-+ unsigned long pax_flags = 0UL;
-+
-+#ifdef CONFIG_PAX_EI_PAX
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC))
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC))
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP))
-+ pax_flags |= MF_PAX_EMUTRAMP;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT))
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#ifdef CONFIG_PAX_ASLR
-+ if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP))
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+#else
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ pax_flags |= MF_PAX_PAGEEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_flags |= MF_PAX_SEGMEXEC;
-+#endif
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ pax_flags |= MF_PAX_MPROTECT;
-+#endif
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (randomize_va_space)
-+ pax_flags |= MF_PAX_RANDMMAP;
-+#endif
-+
-+#endif
-+
-+ return pax_flags;
-+}
-+
-+static unsigned long pax_parse_pt_pax(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata)
-+{
-+
-+#ifdef CONFIG_PAX_PT_PAX_FLAGS
-+ unsigned long i;
-+
-+ for (i = 0UL; i < elf_ex->e_phnum; i++)
-+ if (elf_phdata[i].p_type == PT_PAX_FLAGS) {
-+ if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) ||
-+ ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) ||
-+ ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) ||
-+ ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) ||
-+ ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP)))
-+ return ~0UL;
-+
-+#ifdef CONFIG_PAX_SOFTMODE
-+ if (pax_softmode)
-+ return pax_parse_pt_pax_softmode(&elf_phdata[i]);
-+ else
-+#endif
-+
-+ return pax_parse_pt_pax_hardmode(&elf_phdata[i]);
-+ break;
-+ }
-+#endif
-+
-+ return ~0UL;
-+}
-+
-+static unsigned long pax_parse_xattr_pax(struct file * const file)
-+{
-+
-+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
-+ ssize_t xattr_size, i;
-+ unsigned char xattr_value[5];
-+ unsigned long pax_flags_hardmode = 0UL, pax_flags_softmode = 0UL;
-+
-+ xattr_size = vfs_getxattr(file->f_path.dentry, XATTR_NAME_PAX_FLAGS, xattr_value, sizeof xattr_value);
-+ if (xattr_size <= 0)
-+ return ~0UL;
-+
-+ for (i = 0; i < xattr_size; i++)
-+ switch (xattr_value[i]) {
-+ default:
-+ return ~0UL;
-+
-+#define parse_flag(option1, option2, flag) \
-+ case option1: \
-+ pax_flags_hardmode |= MF_PAX_##flag; \
-+ break; \
-+ case option2: \
-+ pax_flags_softmode |= MF_PAX_##flag; \
-+ break;
-+
-+ parse_flag('p', 'P', PAGEEXEC);
-+ parse_flag('e', 'E', EMUTRAMP);
-+ parse_flag('m', 'M', MPROTECT);
-+ parse_flag('r', 'R', RANDMMAP);
-+ parse_flag('s', 'S', SEGMEXEC);
-+
-+#undef parse_flag
-+ }
-+
-+ if (pax_flags_hardmode & pax_flags_softmode)
-+ return ~0UL;
-+
-+#ifdef CONFIG_PAX_SOFTMODE
-+ if (pax_softmode)
-+ return pax_parse_xattr_pax_softmode(pax_flags_softmode);
-+ else
-+#endif
-+
-+ return pax_parse_xattr_pax_hardmode(pax_flags_hardmode);
-+#else
-+ return ~0UL;
-+#endif
-+
-+}
-+
-+static long pax_parse_pax_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata, struct file * const file)
-+{
-+ unsigned long pax_flags, pt_pax_flags, xattr_pax_flags;
-+
-+ pax_flags = pax_parse_ei_pax(elf_ex);
-+ pt_pax_flags = pax_parse_pt_pax(elf_ex, elf_phdata);
-+ xattr_pax_flags = pax_parse_xattr_pax(file);
-+
-+ if (pt_pax_flags == ~0UL)
-+ pt_pax_flags = xattr_pax_flags;
-+ else if (xattr_pax_flags == ~0UL)
-+ xattr_pax_flags = pt_pax_flags;
-+ if (pt_pax_flags != xattr_pax_flags)
-+ return -EINVAL;
-+ if (pt_pax_flags != ~0UL)
-+ pax_flags = pt_pax_flags;
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC)
-+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
-+ if ((__supported_pte_mask & _PAGE_NX))
-+ pax_flags &= ~MF_PAX_SEGMEXEC;
-+ else
-+ pax_flags &= ~MF_PAX_PAGEEXEC;
-+ }
-+#endif
-+
-+ if (0 > pax_check_flags(&pax_flags))
-+ return -EINVAL;
-+
-+ current->mm->pax_flags = pax_flags;
-+ return 0;
-+}
-+#endif
-+
- /*
- * These are the functions used to load ELF style executables and shared
- * libraries. There is no binary dependent code anywhere else.
-@@ -539,6 +868,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top)
- {
- unsigned int random_variable = 0;
-
-+#ifdef CONFIG_PAX_RANDUSTACK
-+ if (randomize_va_space)
-+ return stack_top - current->mm->delta_stack;
-+#endif
-+
- if ((current->flags & PF_RANDOMIZE) &&
- !(current->personality & ADDR_NO_RANDOMIZE)) {
- random_variable = get_random_int() & STACK_RND_MASK;
-@@ -557,7 +891,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- unsigned long load_addr = 0, load_bias = 0;
- int load_addr_set = 0;
- char * elf_interpreter = NULL;
-- unsigned long error;
-+ unsigned long error = 0;
- struct elf_phdr *elf_ppnt, *elf_phdata;
- unsigned long elf_bss, elf_brk;
- int retval, i;
-@@ -567,11 +901,11 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- unsigned long start_code, end_code, start_data, end_data;
- unsigned long reloc_func_desc __maybe_unused = 0;
- int executable_stack = EXSTACK_DEFAULT;
-- unsigned long def_flags = 0;
- struct {
- struct elfhdr elf_ex;
- struct elfhdr interp_elf_ex;
- } *loc;
-+ unsigned long pax_task_size = TASK_SIZE;
-
- loc = kmalloc(sizeof(*loc), GFP_KERNEL);
- if (!loc) {
-@@ -707,11 +1041,81 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- goto out_free_dentry;
-
- /* OK, This is the point of no return */
-- current->mm->def_flags = def_flags;
-+
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+ current->mm->pax_flags = 0UL;
-+#endif
-+
-+#ifdef CONFIG_PAX_DLRESOLVE
-+ current->mm->call_dl_resolve = 0UL;
-+#endif
-+
-+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
-+ current->mm->call_syscall = 0UL;
-+#endif
-+
-+#ifdef CONFIG_PAX_ASLR
-+ current->mm->delta_mmap = 0UL;
-+ current->mm->delta_stack = 0UL;
-+#endif
-+
-+ current->mm->def_flags = 0;
-+
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+ if (0 > pax_parse_pax_flags(&loc->elf_ex, elf_phdata, bprm->file)) {
-+ send_sig(SIGKILL, current, 0);
-+ goto out_free_dentry;
-+ }
-+#endif
-+
-+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
-+ pax_set_initial_flags(bprm);
-+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
-+ if (pax_set_initial_flags_func)
-+ (pax_set_initial_flags_func)(bprm);
-+#endif
-+
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+ if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) {
-+ current->mm->context.user_cs_limit = PAGE_SIZE;
-+ current->mm->def_flags |= VM_PAGEEXEC;
-+ }
-+#endif
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE;
-+ current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE;
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+ current->mm->def_flags |= VM_NOHUGEPAGE;
-+ }
-+#endif
-+
-+#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC)
-+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
-+ set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu());
-+ put_cpu();
-+ }
-+#endif
-
- /* Do this immediately, since STACK_TOP as used in setup_arg_pages
- may depend on the personality. */
- SET_PERSONALITY(loc->elf_ex);
-+
-+#ifdef CONFIG_PAX_ASLR
-+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
-+ current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT;
-+ current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT;
-+ }
-+#endif
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
-+ executable_stack = EXSTACK_DISABLE_X;
-+ current->personality &= ~READ_IMPLIES_EXEC;
-+ } else
-+#endif
-+
- if (elf_read_implies_exec(loc->elf_ex, executable_stack))
- current->personality |= READ_IMPLIES_EXEC;
-
-@@ -802,6 +1206,20 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- #else
- load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
- #endif
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ /* PaX: randomize base address at the default exe base if requested */
-+ if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) {
-+#ifdef CONFIG_SPARC64
-+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1);
-+#else
-+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT;
-+#endif
-+ load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias);
-+ elf_flags |= MAP_FIXED;
-+ }
-+#endif
-+
- }
-
- error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
-@@ -834,9 +1252,9 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- * allowed task size. Note that p_filesz must always be
- * <= p_memsz so it is only necessary to check p_memsz.
- */
-- if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
-- elf_ppnt->p_memsz > TASK_SIZE ||
-- TASK_SIZE - elf_ppnt->p_memsz < k) {
-+ if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
-+ elf_ppnt->p_memsz > pax_task_size ||
-+ pax_task_size - elf_ppnt->p_memsz < k) {
- /* set_brk can never work. Avoid overflows. */
- send_sig(SIGKILL, current, 0);
- retval = -EINVAL;
-@@ -875,11 +1293,41 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
- goto out_free_dentry;
- }
- if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
-- send_sig(SIGSEGV, current, 0);
-- retval = -EFAULT; /* Nobody gets to see this, but.. */
-- goto out_free_dentry;
-+ /*
-+ * This bss-zeroing can fail if the ELF
-+ * file specifies odd protections. So
-+ * we don't check the return value
-+ */
- }
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
-+ unsigned long start, size;
-+
-+ start = ELF_PAGEALIGN(elf_brk);
-+ size = PAGE_SIZE + ((pax_get_random_long() & ((1UL << 22) - 1UL)) << 4);
-+ down_read(¤t->mm->mmap_sem);
-+ retval = -ENOMEM;
-+ if (!find_vma_intersection(current->mm, start, start + size + PAGE_SIZE)) {
-+ unsigned long prot = PROT_NONE;
-+
-+ up_read(¤t->mm->mmap_sem);
-+ current->mm->brk_gap = PAGE_ALIGN(size) >> PAGE_SHIFT;
-+// if (current->personality & ADDR_NO_RANDOMIZE)
-+// prot = PROT_READ;
-+ start = vm_mmap(NULL, start, size, prot, MAP_ANONYMOUS | MAP_FIXED | MAP_PRIVATE, 0);
-+ retval = IS_ERR_VALUE(start) ? start : 0;
-+ } else
-+ up_read(¤t->mm->mmap_sem);
-+ if (retval == 0)
-+ retval = set_brk(start + size, start + size + PAGE_SIZE);
-+ if (retval < 0) {
-+ send_sig(SIGKILL, current, 0);
-+ goto out_free_dentry;
-+ }
-+ }
-+#endif
-+
- if (elf_interpreter) {
- unsigned long uninitialized_var(interp_map_addr);
-
-@@ -1107,7 +1555,7 @@ static bool always_dump_vma(struct vm_area_struct *vma)
- * Decide what to dump of a segment, part, all or none.
- */
- static unsigned long vma_dump_size(struct vm_area_struct *vma,
-- unsigned long mm_flags)
-+ unsigned long mm_flags, long signr)
- {
- #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type))
-
-@@ -1144,7 +1592,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
- if (vma->vm_file == NULL)
- return 0;
-
-- if (FILTER(MAPPED_PRIVATE))
-+ if (signr == SIGKILL || FILTER(MAPPED_PRIVATE))
- goto whole;
-
- /*
-@@ -1366,9 +1814,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
- {
- elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv;
- int i = 0;
-- do
-+ do {
- i += 2;
-- while (auxv[i - 2] != AT_NULL);
-+ } while (auxv[i - 2] != AT_NULL);
- fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
- }
-
-@@ -1890,14 +2338,14 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
- }
-
- static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma,
-- unsigned long mm_flags)
-+ struct coredump_params *cprm)
- {
- struct vm_area_struct *vma;
- size_t size = 0;
-
- for (vma = first_vma(current, gate_vma); vma != NULL;
- vma = next_vma(vma, gate_vma))
-- size += vma_dump_size(vma, mm_flags);
-+ size += vma_dump_size(vma, cprm->mm_flags, cprm->signr);
- return size;
- }
-
-@@ -1991,7 +2439,7 @@ static int elf_core_dump(struct coredump_params *cprm)
-
- dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
-
-- offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags);
-+ offset += elf_core_vma_data_size(gate_vma, cprm);
- offset += elf_core_extra_data_size();
- e_shoff = offset;
-
-@@ -2005,10 +2453,12 @@ static int elf_core_dump(struct coredump_params *cprm)
- offset = dataoff;
-
- size += sizeof(*elf);
-+ gr_learn_resource(current, RLIMIT_CORE, size, 1);
- if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf)))
- goto end_coredump;
-
- size += sizeof(*phdr4note);
-+ gr_learn_resource(current, RLIMIT_CORE, size, 1);
- if (size > cprm->limit
- || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note)))
- goto end_coredump;
-@@ -2022,7 +2472,7 @@ static int elf_core_dump(struct coredump_params *cprm)
- phdr.p_offset = offset;
- phdr.p_vaddr = vma->vm_start;
- phdr.p_paddr = 0;
-- phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags);
-+ phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags, cprm->signr);
- phdr.p_memsz = vma->vm_end - vma->vm_start;
- offset += phdr.p_filesz;
- phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
-@@ -2033,6 +2483,7 @@ static int elf_core_dump(struct coredump_params *cprm)
- phdr.p_align = ELF_EXEC_PAGESIZE;
-
- size += sizeof(phdr);
-+ gr_learn_resource(current, RLIMIT_CORE, size, 1);
- if (size > cprm->limit
- || !dump_write(cprm->file, &phdr, sizeof(phdr)))
- goto end_coredump;
-@@ -2057,7 +2508,7 @@ static int elf_core_dump(struct coredump_params *cprm)
- unsigned long addr;
- unsigned long end;
-
-- end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags);
-+ end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags, cprm->signr);
-
- for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) {
- struct page *page;
-@@ -2066,6 +2517,7 @@ static int elf_core_dump(struct coredump_params *cprm)
- page = get_dump_page(addr);
- if (page) {
- void *kaddr = kmap(page);
-+ gr_learn_resource(current, RLIMIT_CORE, size + PAGE_SIZE, 1);
- stop = ((size += PAGE_SIZE) > cprm->limit) ||
- !dump_write(cprm->file, kaddr,
- PAGE_SIZE);
-@@ -2083,6 +2535,7 @@ static int elf_core_dump(struct coredump_params *cprm)
-
- if (e_phnum == PN_XNUM) {
- size += sizeof(*shdr4extnum);
-+ gr_learn_resource(current, RLIMIT_CORE, size, 1);
- if (size > cprm->limit
- || !dump_write(cprm->file, shdr4extnum,
- sizeof(*shdr4extnum)))
-@@ -2103,6 +2556,97 @@ out:
-
- #endif /* CONFIG_ELF_CORE */
-
-+#ifdef CONFIG_PAX_MPROTECT
-+/* PaX: non-PIC ELF libraries need relocations on their executable segments
-+ * therefore we'll grant them VM_MAYWRITE once during their life. Similarly
-+ * we'll remove VM_MAYWRITE for good on RELRO segments.
-+ *
-+ * The checks favour ld-linux.so behaviour which operates on a per ELF segment
-+ * basis because we want to allow the common case and not the special ones.
-+ */
-+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags)
-+{
-+ struct elfhdr elf_h;
-+ struct elf_phdr elf_p;
-+ unsigned long i;
-+ unsigned long oldflags;
-+ bool is_textrel_rw, is_textrel_rx, is_relro;
-+
-+ if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT))
-+ return;
-+
-+ oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ);
-+ newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ;
-+
-+#ifdef CONFIG_PAX_ELFRELOCS
-+ /* possible TEXTREL */
-+ is_textrel_rw = vma->vm_file && !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ);
-+ is_textrel_rx = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ);
-+#else
-+ is_textrel_rw = false;
-+ is_textrel_rx = false;
-+#endif
-+
-+ /* possible RELRO */
-+ is_relro = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ);
-+
-+ if (!is_textrel_rw && !is_textrel_rx && !is_relro)
-+ return;
-+
-+ if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) ||
-+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) ||
-+
-+#ifdef CONFIG_PAX_ETEXECRELOCS
-+ ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
-+#else
-+ ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) ||
-+#endif
-+
-+ (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
-+ !elf_check_arch(&elf_h) ||
-+ elf_h.e_phentsize != sizeof(struct elf_phdr) ||
-+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr))
-+ return;
-+
-+ for (i = 0UL; i < elf_h.e_phnum; i++) {
-+ if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p)))
-+ return;
-+ switch (elf_p.p_type) {
-+ case PT_DYNAMIC:
-+ if (!is_textrel_rw && !is_textrel_rx)
-+ continue;
-+ i = 0UL;
-+ while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) {
-+ elf_dyn dyn;
-+
-+ if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn)))
-+ return;
-+ if (dyn.d_tag == DT_NULL)
-+ return;
-+ if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) {
-+ gr_log_textrel(vma);
-+ if (is_textrel_rw)
-+ vma->vm_flags |= VM_MAYWRITE;
-+ else
-+ /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */
-+ vma->vm_flags &= ~VM_MAYWRITE;
-+ return;
-+ }
-+ i++;
-+ }
-+ return;
-+
-+ case PT_GNU_RELRO:
-+ if (!is_relro)
-+ continue;
-+ if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start)
-+ vma->vm_flags &= ~VM_MAYWRITE;
-+ return;
-+ }
-+ }
-+}
-+#endif
-+
- static int __init init_elf_binfmt(void)
- {
- register_binfmt(&elf_format);
-diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
-index 178cb70..8972997 100644
---- a/fs/binfmt_flat.c
-+++ b/fs/binfmt_flat.c
-@@ -562,7 +562,9 @@ static int load_flat_file(struct linux_binprm * bprm,
- realdatastart = (unsigned long) -ENOMEM;
- printk("Unable to allocate RAM for process data, errno %d\n",
- (int)-realdatastart);
-+ down_write(¤t->mm->mmap_sem);
- vm_munmap(textpos, text_len);
-+ up_write(¤t->mm->mmap_sem);
- ret = realdatastart;
- goto err;
- }
-@@ -586,8 +588,10 @@ static int load_flat_file(struct linux_binprm * bprm,
- }
- if (IS_ERR_VALUE(result)) {
- printk("Unable to read data+bss, errno %d\n", (int)-result);
-+ down_write(¤t->mm->mmap_sem);
- vm_munmap(textpos, text_len);
- vm_munmap(realdatastart, len);
-+ up_write(¤t->mm->mmap_sem);
- ret = result;
- goto err;
- }
-@@ -654,8 +658,10 @@ static int load_flat_file(struct linux_binprm * bprm,
- }
- if (IS_ERR_VALUE(result)) {
- printk("Unable to read code+data+bss, errno %d\n",(int)-result);
-+ down_write(¤t->mm->mmap_sem);
- vm_munmap(textpos, text_len + data_len + extra +
- MAX_SHARED_LIBS * sizeof(unsigned long));
-+ up_write(¤t->mm->mmap_sem);
- ret = result;
- goto err;
- }
-diff --git a/fs/bio.c b/fs/bio.c
-index 73922ab..16642dd 100644
---- a/fs/bio.c
-+++ b/fs/bio.c
-@@ -841,7 +841,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
- /*
- * Overflow, abort
- */
-- if (end < start)
-+ if (end < start || end - start > INT_MAX - nr_pages)
- return ERR_PTR(-EINVAL);
-
- nr_pages += end - start;
-@@ -975,7 +975,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
- /*
- * Overflow, abort
- */
-- if (end < start)
-+ if (end < start || end - start > INT_MAX - nr_pages)
- return ERR_PTR(-EINVAL);
-
- nr_pages += end - start;
-@@ -1237,7 +1237,7 @@ static void bio_copy_kern_endio(struct bio *bio, int err)
- const int read = bio_data_dir(bio) == READ;
- struct bio_map_data *bmd = bio->bi_private;
- int i;
-- char *p = bmd->sgvecs[0].iov_base;
-+ char *p = (char __force_kernel *)bmd->sgvecs[0].iov_base;
-
- __bio_for_each_segment(bvec, bio, i, 0) {
- char *addr = page_address(bvec->bv_page);
-diff --git a/fs/block_dev.c b/fs/block_dev.c
-index c2bbe1f..9dfbc23 100644
---- a/fs/block_dev.c
-+++ b/fs/block_dev.c
-@@ -704,7 +704,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
- else if (bdev->bd_contains == bdev)
- return true; /* is a whole device which isn't held */
-
-- else if (whole->bd_holder == bd_may_claim)
-+ else if (whole->bd_holder == (void *)bd_may_claim)
- return true; /* is a partition of a device that is being partitioned */
- else if (whole->bd_holder != NULL)
- return false; /* is a partition of a held device */
-diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
-index da6e936..1598dd0 100644
---- a/fs/btrfs/check-integrity.c
-+++ b/fs/btrfs/check-integrity.c
-@@ -155,7 +155,7 @@ struct btrfsic_block {
- union {
- bio_end_io_t *bio;
- bh_end_io_t *bh;
-- } orig_bio_bh_end_io;
-+ } __no_const orig_bio_bh_end_io;
- int submit_bio_bh_rw;
- u64 flush_gen; /* only valid if !never_written */
- };
-diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
-index 8206b39..06d5654 100644
---- a/fs/btrfs/ctree.c
-+++ b/fs/btrfs/ctree.c
-@@ -973,9 +973,12 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
- free_extent_buffer(buf);
- add_root_to_dirty_list(root);
- } else {
-- if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID)
-- parent_start = parent->start;
-- else
-+ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
-+ if (parent)
-+ parent_start = parent->start;
-+ else
-+ parent_start = 0;
-+ } else
- parent_start = 0;
-
- WARN_ON(trans->transid != btrfs_header_generation(parent));
-diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
-index a7d1921..a32dba2 100644
---- a/fs/btrfs/inode.c
-+++ b/fs/btrfs/inode.c
-@@ -7111,7 +7111,7 @@ fail:
- return -ENOMEM;
- }
-
--static int btrfs_getattr(struct vfsmount *mnt,
-+int btrfs_getattr(struct vfsmount *mnt,
- struct dentry *dentry, struct kstat *stat)
- {
- struct inode *inode = dentry->d_inode;
-@@ -7125,6 +7125,14 @@ static int btrfs_getattr(struct vfsmount *mnt,
- return 0;
- }
-
-+EXPORT_SYMBOL(btrfs_getattr);
-+
-+dev_t get_btrfs_dev_from_inode(struct inode *inode)
-+{
-+ return BTRFS_I(inode)->root->anon_dev;
-+}
-+EXPORT_SYMBOL(get_btrfs_dev_from_inode);
-+
- /*
- * If a file is moved, it will inherit the cow and compression flags of the new
- * directory.
-diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
-index 0e92e57..8b560de 100644
---- a/fs/btrfs/ioctl.c
-+++ b/fs/btrfs/ioctl.c
-@@ -2902,9 +2902,12 @@ long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
- for (i = 0; i < num_types; i++) {
- struct btrfs_space_info *tmp;
-
-+ /* Don't copy in more than we allocated */
- if (!slot_count)
- break;
-
-+ slot_count--;
-+
- info = NULL;
- rcu_read_lock();
- list_for_each_entry_rcu(tmp, &root->fs_info->space_info,
-@@ -2926,10 +2929,7 @@ long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
- memcpy(dest, &space, sizeof(space));
- dest++;
- space_args.total_spaces++;
-- slot_count--;
- }
-- if (!slot_count)
-- break;
- }
- up_read(&info->groups_sem);
- }
-diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
-index 646ee21..f020f87 100644
---- a/fs/btrfs/relocation.c
-+++ b/fs/btrfs/relocation.c
-@@ -1268,7 +1268,7 @@ static int __update_reloc_root(struct btrfs_root *root, int del)
- }
- spin_unlock(&rc->reloc_root_tree.lock);
-
-- BUG_ON((struct btrfs_root *)node->data != root);
-+ BUG_ON(!node || (struct btrfs_root *)node->data != root);
-
- if (!del) {
- spin_lock(&rc->reloc_root_tree.lock);
-diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
-index 622f469..e8d2d55 100644
---- a/fs/cachefiles/bind.c
-+++ b/fs/cachefiles/bind.c
-@@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args)
- args);
-
- /* start by checking things over */
-- ASSERT(cache->fstop_percent >= 0 &&
-- cache->fstop_percent < cache->fcull_percent &&
-+ ASSERT(cache->fstop_percent < cache->fcull_percent &&
- cache->fcull_percent < cache->frun_percent &&
- cache->frun_percent < 100);
-
-- ASSERT(cache->bstop_percent >= 0 &&
-- cache->bstop_percent < cache->bcull_percent &&
-+ ASSERT(cache->bstop_percent < cache->bcull_percent &&
- cache->bcull_percent < cache->brun_percent &&
- cache->brun_percent < 100);
-
-diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
-index 0a1467b..6a53245 100644
---- a/fs/cachefiles/daemon.c
-+++ b/fs/cachefiles/daemon.c
-@@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(struct file *file, char __user *_buffer,
- if (n > buflen)
- return -EMSGSIZE;
-
-- if (copy_to_user(_buffer, buffer, n) != 0)
-+ if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0)
- return -EFAULT;
-
- return n;
-@@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(struct file *file,
- if (test_bit(CACHEFILES_DEAD, &cache->flags))
- return -EIO;
-
-- if (datalen < 0 || datalen > PAGE_SIZE - 1)
-+ if (datalen > PAGE_SIZE - 1)
- return -EOPNOTSUPP;
-
- /* drag the command string into the kernel so we can parse it */
-@@ -386,7 +386,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
- if (args[0] != '%' || args[1] != '\0')
- return -EINVAL;
-
-- if (fstop < 0 || fstop >= cache->fcull_percent)
-+ if (fstop >= cache->fcull_percent)
- return cachefiles_daemon_range_error(cache, args);
-
- cache->fstop_percent = fstop;
-@@ -458,7 +458,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
- if (args[0] != '%' || args[1] != '\0')
- return -EINVAL;
-
-- if (bstop < 0 || bstop >= cache->bcull_percent)
-+ if (bstop >= cache->bcull_percent)
- return cachefiles_daemon_range_error(cache, args);
-
- cache->bstop_percent = bstop;
-diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
-index bd6bc1b..b627b53 100644
---- a/fs/cachefiles/internal.h
-+++ b/fs/cachefiles/internal.h
-@@ -57,7 +57,7 @@ struct cachefiles_cache {
- wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */
- struct rb_root active_nodes; /* active nodes (can't be culled) */
- rwlock_t active_lock; /* lock for active_nodes */
-- atomic_t gravecounter; /* graveyard uniquifier */
-+ atomic_unchecked_t gravecounter; /* graveyard uniquifier */
- unsigned frun_percent; /* when to stop culling (% files) */
- unsigned fcull_percent; /* when to start culling (% files) */
- unsigned fstop_percent; /* when to stop allocating (% files) */
-@@ -169,19 +169,19 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache,
- * proc.c
- */
- #ifdef CONFIG_CACHEFILES_HISTOGRAM
--extern atomic_t cachefiles_lookup_histogram[HZ];
--extern atomic_t cachefiles_mkdir_histogram[HZ];
--extern atomic_t cachefiles_create_histogram[HZ];
-+extern atomic_unchecked_t cachefiles_lookup_histogram[HZ];
-+extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
-+extern atomic_unchecked_t cachefiles_create_histogram[HZ];
-
- extern int __init cachefiles_proc_init(void);
- extern void cachefiles_proc_cleanup(void);
- static inline
--void cachefiles_hist(atomic_t histogram[], unsigned long start_jif)
-+void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif)
- {
- unsigned long jif = jiffies - start_jif;
- if (jif >= HZ)
- jif = HZ - 1;
-- atomic_inc(&histogram[jif]);
-+ atomic_inc_unchecked(&histogram[jif]);
- }
-
- #else
-diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
-index 7f0771d..87d4f36 100644
---- a/fs/cachefiles/namei.c
-+++ b/fs/cachefiles/namei.c
-@@ -318,7 +318,7 @@ try_again:
- /* first step is to make up a grave dentry in the graveyard */
- sprintf(nbuffer, "%08x%08x",
- (uint32_t) get_seconds(),
-- (uint32_t) atomic_inc_return(&cache->gravecounter));
-+ (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter));
-
- /* do the multiway lock magic */
- trap = lock_rename(cache->graveyard, dir);
-diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c
-index eccd339..4c1d995 100644
---- a/fs/cachefiles/proc.c
-+++ b/fs/cachefiles/proc.c
-@@ -14,9 +14,9 @@
- #include <linux/seq_file.h>
- #include "internal.h"
-
--atomic_t cachefiles_lookup_histogram[HZ];
--atomic_t cachefiles_mkdir_histogram[HZ];
--atomic_t cachefiles_create_histogram[HZ];
-+atomic_unchecked_t cachefiles_lookup_histogram[HZ];
-+atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
-+atomic_unchecked_t cachefiles_create_histogram[HZ];
-
- /*
- * display the latency histogram
-@@ -35,9 +35,9 @@ static int cachefiles_histogram_show(struct seq_file *m, void *v)
- return 0;
- default:
- index = (unsigned long) v - 3;
-- x = atomic_read(&cachefiles_lookup_histogram[index]);
-- y = atomic_read(&cachefiles_mkdir_histogram[index]);
-- z = atomic_read(&cachefiles_create_histogram[index]);
-+ x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]);
-+ y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]);
-+ z = atomic_read_unchecked(&cachefiles_create_histogram[index]);
- if (x == 0 && y == 0 && z == 0)
- return 0;
-
-diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
-index 0e3c092..818480e 100644
---- a/fs/cachefiles/rdwr.c
-+++ b/fs/cachefiles/rdwr.c
-@@ -945,7 +945,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = file->f_op->write(
-- file, (const void __user *) data, len, &pos);
-+ file, (const void __force_user *) data, len, &pos);
- set_fs(old_fs);
- kunmap(page);
- if (ret != len)
-diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
-index 3e8094b..cb3ff3d 100644
---- a/fs/ceph/dir.c
-+++ b/fs/ceph/dir.c
-@@ -244,7 +244,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
- struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
- struct ceph_mds_client *mdsc = fsc->mdsc;
- unsigned frag = fpos_frag(filp->f_pos);
-- int off = fpos_off(filp->f_pos);
-+ unsigned int off = fpos_off(filp->f_pos);
- int err;
- u32 ftype;
- struct ceph_mds_reply_info_parsed *rinfo;
-@@ -598,7 +598,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
- if (nd &&
- (nd->flags & LOOKUP_OPEN) &&
- !(nd->intent.open.flags & O_CREAT)) {
-- int mode = nd->intent.open.create_mode & ~current->fs->umask;
-+ int mode = nd->intent.open.create_mode & ~current_umask();
- return ceph_lookup_open(dir, dentry, nd, mode, 1);
- }
-
-diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
-index e814052..28dcdf7 100644
---- a/fs/cifs/cifs_debug.c
-+++ b/fs/cifs/cifs_debug.c
-@@ -267,8 +267,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
-
- if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
- #ifdef CONFIG_CIFS_STATS2
-- atomic_set(&totBufAllocCount, 0);
-- atomic_set(&totSmBufAllocCount, 0);
-+ atomic_set_unchecked(&totBufAllocCount, 0);
-+ atomic_set_unchecked(&totSmBufAllocCount, 0);
- #endif /* CONFIG_CIFS_STATS2 */
- spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp1, &cifs_tcp_ses_list) {
-@@ -281,25 +281,25 @@ static ssize_t cifs_stats_proc_write(struct file *file,
- tcon = list_entry(tmp3,
- struct cifs_tcon,
- tcon_list);
-- atomic_set(&tcon->num_smbs_sent, 0);
-- atomic_set(&tcon->num_writes, 0);
-- atomic_set(&tcon->num_reads, 0);
-- atomic_set(&tcon->num_oplock_brks, 0);
-- atomic_set(&tcon->num_opens, 0);
-- atomic_set(&tcon->num_posixopens, 0);
-- atomic_set(&tcon->num_posixmkdirs, 0);
-- atomic_set(&tcon->num_closes, 0);
-- atomic_set(&tcon->num_deletes, 0);
-- atomic_set(&tcon->num_mkdirs, 0);
-- atomic_set(&tcon->num_rmdirs, 0);
-- atomic_set(&tcon->num_renames, 0);
-- atomic_set(&tcon->num_t2renames, 0);
-- atomic_set(&tcon->num_ffirst, 0);
-- atomic_set(&tcon->num_fnext, 0);
-- atomic_set(&tcon->num_fclose, 0);
-- atomic_set(&tcon->num_hardlinks, 0);
-- atomic_set(&tcon->num_symlinks, 0);
-- atomic_set(&tcon->num_locks, 0);
-+ atomic_set_unchecked(&tcon->num_smbs_sent, 0);
-+ atomic_set_unchecked(&tcon->num_writes, 0);
-+ atomic_set_unchecked(&tcon->num_reads, 0);
-+ atomic_set_unchecked(&tcon->num_oplock_brks, 0);
-+ atomic_set_unchecked(&tcon->num_opens, 0);
-+ atomic_set_unchecked(&tcon->num_posixopens, 0);
-+ atomic_set_unchecked(&tcon->num_posixmkdirs, 0);
-+ atomic_set_unchecked(&tcon->num_closes, 0);
-+ atomic_set_unchecked(&tcon->num_deletes, 0);
-+ atomic_set_unchecked(&tcon->num_mkdirs, 0);
-+ atomic_set_unchecked(&tcon->num_rmdirs, 0);
-+ atomic_set_unchecked(&tcon->num_renames, 0);
-+ atomic_set_unchecked(&tcon->num_t2renames, 0);
-+ atomic_set_unchecked(&tcon->num_ffirst, 0);
-+ atomic_set_unchecked(&tcon->num_fnext, 0);
-+ atomic_set_unchecked(&tcon->num_fclose, 0);
-+ atomic_set_unchecked(&tcon->num_hardlinks, 0);
-+ atomic_set_unchecked(&tcon->num_symlinks, 0);
-+ atomic_set_unchecked(&tcon->num_locks, 0);
- }
- }
- }
-@@ -329,8 +329,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
- smBufAllocCount.counter, cifs_min_small);
- #ifdef CONFIG_CIFS_STATS2
- seq_printf(m, "Total Large %d Small %d Allocations\n",
-- atomic_read(&totBufAllocCount),
-- atomic_read(&totSmBufAllocCount));
-+ atomic_read_unchecked(&totBufAllocCount),
-+ atomic_read_unchecked(&totSmBufAllocCount));
- #endif /* CONFIG_CIFS_STATS2 */
-
- seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
-@@ -359,41 +359,41 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
- if (tcon->need_reconnect)
- seq_puts(m, "\tDISCONNECTED ");
- seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",
-- atomic_read(&tcon->num_smbs_sent),
-- atomic_read(&tcon->num_oplock_brks));
-+ atomic_read_unchecked(&tcon->num_smbs_sent),
-+ atomic_read_unchecked(&tcon->num_oplock_brks));
- seq_printf(m, "\nReads: %d Bytes: %lld",
-- atomic_read(&tcon->num_reads),
-+ atomic_read_unchecked(&tcon->num_reads),
- (long long)(tcon->bytes_read));
- seq_printf(m, "\nWrites: %d Bytes: %lld",
-- atomic_read(&tcon->num_writes),
-+ atomic_read_unchecked(&tcon->num_writes),
- (long long)(tcon->bytes_written));
- seq_printf(m, "\nFlushes: %d",
-- atomic_read(&tcon->num_flushes));
-+ atomic_read_unchecked(&tcon->num_flushes));
- seq_printf(m, "\nLocks: %d HardLinks: %d "
- "Symlinks: %d",
-- atomic_read(&tcon->num_locks),
-- atomic_read(&tcon->num_hardlinks),
-- atomic_read(&tcon->num_symlinks));
-+ atomic_read_unchecked(&tcon->num_locks),
-+ atomic_read_unchecked(&tcon->num_hardlinks),
-+ atomic_read_unchecked(&tcon->num_symlinks));
- seq_printf(m, "\nOpens: %d Closes: %d "
- "Deletes: %d",
-- atomic_read(&tcon->num_opens),
-- atomic_read(&tcon->num_closes),
-- atomic_read(&tcon->num_deletes));
-+ atomic_read_unchecked(&tcon->num_opens),
-+ atomic_read_unchecked(&tcon->num_closes),
-+ atomic_read_unchecked(&tcon->num_deletes));
- seq_printf(m, "\nPosix Opens: %d "
- "Posix Mkdirs: %d",
-- atomic_read(&tcon->num_posixopens),
-- atomic_read(&tcon->num_posixmkdirs));
-+ atomic_read_unchecked(&tcon->num_posixopens),
-+ atomic_read_unchecked(&tcon->num_posixmkdirs));
- seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
-- atomic_read(&tcon->num_mkdirs),
-- atomic_read(&tcon->num_rmdirs));
-+ atomic_read_unchecked(&tcon->num_mkdirs),
-+ atomic_read_unchecked(&tcon->num_rmdirs));
- seq_printf(m, "\nRenames: %d T2 Renames %d",
-- atomic_read(&tcon->num_renames),
-- atomic_read(&tcon->num_t2renames));
-+ atomic_read_unchecked(&tcon->num_renames),
-+ atomic_read_unchecked(&tcon->num_t2renames));
- seq_printf(m, "\nFindFirst: %d FNext %d "
- "FClose %d",
-- atomic_read(&tcon->num_ffirst),
-- atomic_read(&tcon->num_fnext),
-- atomic_read(&tcon->num_fclose));
-+ atomic_read_unchecked(&tcon->num_ffirst),
-+ atomic_read_unchecked(&tcon->num_fnext),
-+ atomic_read_unchecked(&tcon->num_fclose));
- }
- }
- }
-diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
-index 8b6e344..303a662 100644
---- a/fs/cifs/cifsfs.c
-+++ b/fs/cifs/cifsfs.c
-@@ -994,7 +994,7 @@ cifs_init_request_bufs(void)
- cifs_req_cachep = kmem_cache_create("cifs_request",
- CIFSMaxBufSize +
- MAX_CIFS_HDR_SIZE, 0,
-- SLAB_HWCACHE_ALIGN, NULL);
-+ SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, NULL);
- if (cifs_req_cachep == NULL)
- return -ENOMEM;
-
-@@ -1021,7 +1021,7 @@ cifs_init_request_bufs(void)
- efficient to alloc 1 per page off the slab compared to 17K (5page)
- alloc of large cifs buffers even when page debugging is on */
- cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq",
-- MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN,
-+ MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN | SLAB_USERCOPY,
- NULL);
- if (cifs_sm_req_cachep == NULL) {
- mempool_destroy(cifs_req_poolp);
-@@ -1106,8 +1106,8 @@ init_cifs(void)
- atomic_set(&bufAllocCount, 0);
- atomic_set(&smBufAllocCount, 0);
- #ifdef CONFIG_CIFS_STATS2
-- atomic_set(&totBufAllocCount, 0);
-- atomic_set(&totSmBufAllocCount, 0);
-+ atomic_set_unchecked(&totBufAllocCount, 0);
-+ atomic_set_unchecked(&totSmBufAllocCount, 0);
- #endif /* CONFIG_CIFS_STATS2 */
-
- atomic_set(&midCount, 0);
-diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
-index d86ba9f..e80049d 100644
---- a/fs/cifs/cifsglob.h
-+++ b/fs/cifs/cifsglob.h
-@@ -491,28 +491,28 @@ struct cifs_tcon {
- __u16 Flags; /* optional support bits */
- enum statusEnum tidStatus;
- #ifdef CONFIG_CIFS_STATS
-- atomic_t num_smbs_sent;
-- atomic_t num_writes;
-- atomic_t num_reads;
-- atomic_t num_flushes;
-- atomic_t num_oplock_brks;
-- atomic_t num_opens;
-- atomic_t num_closes;
-- atomic_t num_deletes;
-- atomic_t num_mkdirs;
-- atomic_t num_posixopens;
-- atomic_t num_posixmkdirs;
-- atomic_t num_rmdirs;
-- atomic_t num_renames;
-- atomic_t num_t2renames;
-- atomic_t num_ffirst;
-- atomic_t num_fnext;
-- atomic_t num_fclose;
-- atomic_t num_hardlinks;
-- atomic_t num_symlinks;
-- atomic_t num_locks;
-- atomic_t num_acl_get;
-- atomic_t num_acl_set;
-+ atomic_unchecked_t num_smbs_sent;
-+ atomic_unchecked_t num_writes;
-+ atomic_unchecked_t num_reads;
-+ atomic_unchecked_t num_flushes;
-+ atomic_unchecked_t num_oplock_brks;
-+ atomic_unchecked_t num_opens;
-+ atomic_unchecked_t num_closes;
-+ atomic_unchecked_t num_deletes;
-+ atomic_unchecked_t num_mkdirs;
-+ atomic_unchecked_t num_posixopens;
-+ atomic_unchecked_t num_posixmkdirs;
-+ atomic_unchecked_t num_rmdirs;
-+ atomic_unchecked_t num_renames;
-+ atomic_unchecked_t num_t2renames;
-+ atomic_unchecked_t num_ffirst;
-+ atomic_unchecked_t num_fnext;
-+ atomic_unchecked_t num_fclose;
-+ atomic_unchecked_t num_hardlinks;
-+ atomic_unchecked_t num_symlinks;
-+ atomic_unchecked_t num_locks;
-+ atomic_unchecked_t num_acl_get;
-+ atomic_unchecked_t num_acl_set;
- #ifdef CONFIG_CIFS_STATS2
- unsigned long long time_writes;
- unsigned long long time_reads;
-@@ -735,7 +735,7 @@ convert_delimiter(char *path, char delim)
- }
-
- #ifdef CONFIG_CIFS_STATS
--#define cifs_stats_inc atomic_inc
-+#define cifs_stats_inc atomic_inc_unchecked
-
- static inline void cifs_stats_bytes_written(struct cifs_tcon *tcon,
- unsigned int bytes)
-@@ -1093,8 +1093,8 @@ GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
- /* Various Debug counters */
- GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */
- #ifdef CONFIG_CIFS_STATS2
--GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
--GLOBAL_EXTERN atomic_t totSmBufAllocCount;
-+GLOBAL_EXTERN atomic_unchecked_t totBufAllocCount; /* total allocated over all time */
-+GLOBAL_EXTERN atomic_unchecked_t totSmBufAllocCount;
- #endif
- GLOBAL_EXTERN atomic_t smBufAllocCount;
- GLOBAL_EXTERN atomic_t midCount;
-diff --git a/fs/cifs/link.c b/fs/cifs/link.c
-index 6b0e064..94e6c3c 100644
---- a/fs/cifs/link.c
-+++ b/fs/cifs/link.c
-@@ -600,7 +600,7 @@ symlink_exit:
-
- void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie)
- {
-- char *p = nd_get_link(nd);
-+ const char *p = nd_get_link(nd);
- if (!IS_ERR(p))
- kfree(p);
- }
-diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
-index 557506a..2fd3816 100644
---- a/fs/cifs/misc.c
-+++ b/fs/cifs/misc.c
-@@ -156,7 +156,7 @@ cifs_buf_get(void)
- memset(ret_buf, 0, sizeof(struct smb_hdr) + 3);
- atomic_inc(&bufAllocCount);
- #ifdef CONFIG_CIFS_STATS2
-- atomic_inc(&totBufAllocCount);
-+ atomic_inc_unchecked(&totBufAllocCount);
- #endif /* CONFIG_CIFS_STATS2 */
- }
-
-@@ -191,7 +191,7 @@ cifs_small_buf_get(void)
- /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
- atomic_inc(&smBufAllocCount);
- #ifdef CONFIG_CIFS_STATS2
-- atomic_inc(&totSmBufAllocCount);
-+ atomic_inc_unchecked(&totSmBufAllocCount);
- #endif /* CONFIG_CIFS_STATS2 */
-
- }
-diff --git a/fs/coda/cache.c b/fs/coda/cache.c
-index 6901578..d402eb5 100644
---- a/fs/coda/cache.c
-+++ b/fs/coda/cache.c
-@@ -24,7 +24,7 @@
- #include "coda_linux.h"
- #include "coda_cache.h"
-
--static atomic_t permission_epoch = ATOMIC_INIT(0);
-+static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0);
-
- /* replace or extend an acl cache hit */
- void coda_cache_enter(struct inode *inode, int mask)
-@@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inode, int mask)
- struct coda_inode_info *cii = ITOC(inode);
-
- spin_lock(&cii->c_lock);
-- cii->c_cached_epoch = atomic_read(&permission_epoch);
-+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch);
- if (cii->c_uid != current_fsuid()) {
- cii->c_uid = current_fsuid();
- cii->c_cached_perm = mask;
-@@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode *inode)
- {
- struct coda_inode_info *cii = ITOC(inode);
- spin_lock(&cii->c_lock);
-- cii->c_cached_epoch = atomic_read(&permission_epoch) - 1;
-+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1;
- spin_unlock(&cii->c_lock);
- }
-
- /* remove all acl caches */
- void coda_cache_clear_all(struct super_block *sb)
- {
-- atomic_inc(&permission_epoch);
-+ atomic_inc_unchecked(&permission_epoch);
- }
-
-
-@@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode, int mask)
- spin_lock(&cii->c_lock);
- hit = (mask & cii->c_cached_perm) == mask &&
- cii->c_uid == current_fsuid() &&
-- cii->c_cached_epoch == atomic_read(&permission_epoch);
-+ cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch);
- spin_unlock(&cii->c_lock);
-
- return hit;
-diff --git a/fs/compat.c b/fs/compat.c
-index 6161255..9f28287 100644
---- a/fs/compat.c
-+++ b/fs/compat.c
-@@ -490,7 +490,7 @@ compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p)
-
- set_fs(KERNEL_DS);
- /* The __user pointer cast is valid because of the set_fs() */
-- ret = sys_io_setup(nr_reqs, (aio_context_t __user *) &ctx64);
-+ ret = sys_io_setup(nr_reqs, (aio_context_t __force_user *) &ctx64);
- set_fs(oldfs);
- /* truncating is ok because it's a user address */
- if (!ret)
-@@ -548,7 +548,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
- goto out;
-
- ret = -EINVAL;
-- if (nr_segs > UIO_MAXIOV || nr_segs < 0)
-+ if (nr_segs > UIO_MAXIOV)
- goto out;
- if (nr_segs > fast_segs) {
- ret = -ENOMEM;
-@@ -831,6 +831,7 @@ struct compat_old_linux_dirent {
-
- struct compat_readdir_callback {
- struct compat_old_linux_dirent __user *dirent;
-+ struct file * file;
- int result;
- };
-
-@@ -848,6 +849,10 @@ static int compat_fillonedir(void *__buf, const char *name, int namlen,
- buf->result = -EOVERFLOW;
- return -EOVERFLOW;
- }
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- buf->result++;
- dirent = buf->dirent;
- if (!access_ok(VERIFY_WRITE, dirent,
-@@ -880,6 +885,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
-
- buf.result = 0;
- buf.dirent = dirent;
-+ buf.file = file;
-
- error = vfs_readdir(file, compat_fillonedir, &buf);
- if (buf.result)
-@@ -899,6 +905,7 @@ struct compat_linux_dirent {
- struct compat_getdents_callback {
- struct compat_linux_dirent __user *current_dir;
- struct compat_linux_dirent __user *previous;
-+ struct file * file;
- int count;
- int error;
- };
-@@ -920,6 +927,10 @@ static int compat_filldir(void *__buf, const char *name, int namlen,
- buf->error = -EOVERFLOW;
- return -EOVERFLOW;
- }
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- dirent = buf->previous;
- if (dirent) {
- if (__put_user(offset, &dirent->d_off))
-@@ -966,6 +977,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-+ buf.file = file;
-
- error = vfs_readdir(file, compat_filldir, &buf);
- if (error >= 0)
-@@ -986,6 +998,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
- struct compat_getdents_callback64 {
- struct linux_dirent64 __user *current_dir;
- struct linux_dirent64 __user *previous;
-+ struct file * file;
- int count;
- int error;
- };
-@@ -1002,6 +1015,10 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- dirent = buf->previous;
-
- if (dirent) {
-@@ -1052,13 +1069,14 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-+ buf.file = file;
-
- error = vfs_readdir(file, compat_filldir64, &buf);
- if (error >= 0)
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
-- typeof(lastdirent->d_off) d_off = file->f_pos;
-+ typeof(((struct linux_dirent64 *)0)->d_off) d_off = file->f_pos;
- if (__put_user_unaligned(d_off, &lastdirent->d_off))
- error = -EFAULT;
- else
-@@ -1155,11 +1173,14 @@ compat_sys_readv(unsigned long fd, const struct compat_iovec __user *vec,
- struct file *file;
- int fput_needed;
- ssize_t ret;
-+ loff_t pos;
-
- file = fget_light(fd, &fput_needed);
- if (!file)
- return -EBADF;
-- ret = compat_readv(file, vec, vlen, &file->f_pos);
-+ pos = file->f_pos;
-+ ret = compat_readv(file, vec, vlen, &pos);
-+ file->f_pos = pos;
- fput_light(file, fput_needed);
- return ret;
- }
-@@ -1221,11 +1242,14 @@ compat_sys_writev(unsigned long fd, const struct compat_iovec __user *vec,
- struct file *file;
- int fput_needed;
- ssize_t ret;
-+ loff_t pos;
-
- file = fget_light(fd, &fput_needed);
- if (!file)
- return -EBADF;
-- ret = compat_writev(file, vec, vlen, &file->f_pos);
-+ pos = file->f_pos;
-+ ret = compat_writev(file, vec, vlen, &pos);
-+ file->f_pos = pos;
- fput_light(file, fput_needed);
- return ret;
- }
-diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
-index 112e45a..b59845b 100644
---- a/fs/compat_binfmt_elf.c
-+++ b/fs/compat_binfmt_elf.c
-@@ -30,11 +30,13 @@
- #undef elf_phdr
- #undef elf_shdr
- #undef elf_note
-+#undef elf_dyn
- #undef elf_addr_t
- #define elfhdr elf32_hdr
- #define elf_phdr elf32_phdr
- #define elf_shdr elf32_shdr
- #define elf_note elf32_note
-+#define elf_dyn Elf32_Dyn
- #define elf_addr_t Elf32_Addr
-
- /*
-diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
-index debdfe0..75d31d4 100644
---- a/fs/compat_ioctl.c
-+++ b/fs/compat_ioctl.c
-@@ -210,6 +210,8 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
-
- err = get_user(palp, &up->palette);
- err |= get_user(length, &up->length);
-+ if (err)
-+ return -EFAULT;
-
- up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
- err = put_user(compat_ptr(palp), &up_native->palette);
-@@ -621,7 +623,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
- return -EFAULT;
- if (__get_user(udata, &ss32->iomem_base))
- return -EFAULT;
-- ss.iomem_base = compat_ptr(udata);
-+ ss.iomem_base = (unsigned char __force_kernel *)compat_ptr(udata);
- if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
- __get_user(ss.port_high, &ss32->port_high))
- return -EFAULT;
-@@ -796,7 +798,7 @@ static int compat_ioctl_preallocate(struct file *file,
- copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
- copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
- copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
-- copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
-+ copy_in_user(p->l_pad, &p32->l_pad, 4*sizeof(u32)))
- return -EFAULT;
-
- return ioctl_preallocate(file, p);
-@@ -1610,8 +1612,8 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
- static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
- {
- unsigned int a, b;
-- a = *(unsigned int *)p;
-- b = *(unsigned int *)q;
-+ a = *(const unsigned int *)p;
-+ b = *(const unsigned int *)q;
- if (a > b)
- return 1;
- if (a < b)
-diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
-index 7e6c52d..94bc756 100644
---- a/fs/configfs/dir.c
-+++ b/fs/configfs/dir.c
-@@ -1564,7 +1564,8 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir
- }
- for (p=q->next; p!= &parent_sd->s_children; p=p->next) {
- struct configfs_dirent *next;
-- const char * name;
-+ const unsigned char * name;
-+ char d_name[sizeof(next->s_dentry->d_iname)];
- int len;
- struct inode *inode = NULL;
-
-@@ -1574,7 +1575,12 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir
- continue;
-
- name = configfs_get_name(next);
-- len = strlen(name);
-+ if (next->s_dentry && name == next->s_dentry->d_iname) {
-+ len = next->s_dentry->d_name.len;
-+ memcpy(d_name, name, len);
-+ name = d_name;
-+ } else
-+ len = strlen(name);
-
- /*
- * We'll have a dentry and an inode for
-diff --git a/fs/dcache.c b/fs/dcache.c
-index 4046904..5e31505 100644
---- a/fs/dcache.c
-+++ b/fs/dcache.c
-@@ -3154,7 +3154,7 @@ void __init vfs_caches_init(unsigned long mempages)
- mempages -= reserve;
-
- names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0,
-- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
-+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY, NULL);
-
- dcache_init();
- inode_init();
-diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
-index b80bc84..0d46d1a 100644
---- a/fs/debugfs/inode.c
-+++ b/fs/debugfs/inode.c
-@@ -408,7 +408,11 @@ EXPORT_SYMBOL_GPL(debugfs_create_file);
- struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
- {
- return debugfs_create_file(name,
-+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
-+ S_IFDIR | S_IRWXU,
-+#else
- S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
-+#endif
- parent, NULL, NULL);
- }
- EXPORT_SYMBOL_GPL(debugfs_create_dir);
-diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
-index a07441a..046fc0d 100644
---- a/fs/ecryptfs/inode.c
-+++ b/fs/ecryptfs/inode.c
-@@ -671,7 +671,7 @@ static int ecryptfs_readlink_lower(struct dentry *dentry, char **buf,
- old_fs = get_fs();
- set_fs(get_ds());
- rc = lower_dentry->d_inode->i_op->readlink(lower_dentry,
-- (char __user *)lower_buf,
-+ (char __force_user *)lower_buf,
- PATH_MAX);
- set_fs(old_fs);
- if (rc < 0)
-@@ -703,7 +703,7 @@ out:
- static void
- ecryptfs_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr)
- {
-- char *buf = nd_get_link(nd);
-+ const char *buf = nd_get_link(nd);
- if (!IS_ERR(buf)) {
- /* Free the char* */
- kfree(buf);
-diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
-index c0038f6..47ab347 100644
---- a/fs/ecryptfs/miscdev.c
-+++ b/fs/ecryptfs/miscdev.c
-@@ -355,7 +355,7 @@ check_list:
- goto out_unlock_msg_ctx;
- i = PKT_TYPE_SIZE + PKT_CTR_SIZE;
- if (msg_ctx->msg) {
-- if (copy_to_user(&buf[i], packet_length, packet_length_size))
-+ if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size))
- goto out_unlock_msg_ctx;
- i += packet_length_size;
- if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size))
-diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
-index b2a34a1..162fa69 100644
---- a/fs/ecryptfs/read_write.c
-+++ b/fs/ecryptfs/read_write.c
-@@ -48,7 +48,7 @@ int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
- return -EIO;
- fs_save = get_fs();
- set_fs(get_ds());
-- rc = vfs_write(lower_file, data, size, &offset);
-+ rc = vfs_write(lower_file, (const char __force_user *)data, size, &offset);
- set_fs(fs_save);
- mark_inode_dirty_sync(ecryptfs_inode);
- return rc;
-@@ -244,7 +244,7 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
- return -EIO;
- fs_save = get_fs();
- set_fs(get_ds());
-- rc = vfs_read(lower_file, data, size, &offset);
-+ rc = vfs_read(lower_file, (char __force_user *)data, size, &offset);
- set_fs(fs_save);
- return rc;
- }
-diff --git a/fs/eventpoll.c b/fs/eventpoll.c
-index 1c8b556..eedec84 100644
---- a/fs/eventpoll.c
-+++ b/fs/eventpoll.c
-@@ -1654,8 +1654,8 @@ SYSCALL_DEFINE1(epoll_create1, int, flags)
- error = PTR_ERR(file);
- goto out_free_fd;
- }
-- fd_install(fd, file);
- ep->file = file;
-+ fd_install(fd, file);
- return fd;
-
- out_free_fd:
-diff --git a/fs/exec.c b/fs/exec.c
-index e95aeed..a943469 100644
---- a/fs/exec.c
-+++ b/fs/exec.c
-@@ -55,6 +55,15 @@
- #include <linux/pipe_fs_i.h>
- #include <linux/oom.h>
- #include <linux/compat.h>
-+#include <linux/random.h>
-+#include <linux/seq_file.h>
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+#include <linux/kallsyms.h>
-+#include <linux/kdebug.h>
-+#endif
-+
-+#include <trace/events/fs.h>
-
- #include <asm/uaccess.h>
- #include <asm/mmu_context.h>
-@@ -66,6 +75,18 @@
-
- #include <trace/events/sched.h>
-
-+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
-+void __weak pax_set_initial_flags(struct linux_binprm *bprm)
-+{
-+ WARN_ONCE(1, "PAX: PAX_HAVE_ACL_FLAGS was enabled without providing the pax_set_initial_flags callback, this is probably not what you wanted.\n");
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_HOOK_ACL_FLAGS
-+void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
-+EXPORT_SYMBOL(pax_set_initial_flags_func);
-+#endif
-+
- int core_uses_pid;
- char core_pattern[CORENAME_MAX_SIZE] = "core";
- unsigned int core_pipe_limit;
-@@ -75,7 +96,7 @@ struct core_name {
- char *corename;
- int used, size;
- };
--static atomic_t call_count = ATOMIC_INIT(1);
-+static atomic_unchecked_t call_count = ATOMIC_INIT(1);
-
- /* The maximal length of core_pattern is also specified in sysctl.c */
-
-@@ -191,18 +212,10 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
- int write)
- {
- struct page *page;
-- int ret;
-
--#ifdef CONFIG_STACK_GROWSUP
-- if (write) {
-- ret = expand_downwards(bprm->vma, pos);
-- if (ret < 0)
-- return NULL;
-- }
--#endif
-- ret = get_user_pages(current, bprm->mm, pos,
-- 1, write, 1, &page, NULL);
-- if (ret <= 0)
-+ if (0 > expand_downwards(bprm->vma, pos))
-+ return NULL;
-+ if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL))
- return NULL;
-
- if (write) {
-@@ -218,6 +231,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
- if (size <= ARG_MAX)
- return page;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ // only allow 512KB for argv+env on suid/sgid binaries
-+ // to prevent easy ASLR exhaustion
-+ if (((bprm->cred->euid != current_euid()) ||
-+ (bprm->cred->egid != current_egid())) &&
-+ (size > (512 * 1024))) {
-+ put_page(page);
-+ return NULL;
-+ }
-+#endif
-+
- /*
- * Limit to 1/4-th the stack size for the argv+env strings.
- * This ensures that:
-@@ -277,6 +301,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
- vma->vm_end = STACK_TOP_MAX;
- vma->vm_start = vma->vm_end - PAGE_SIZE;
- vma->vm_flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
-+#endif
-+
- vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
- INIT_LIST_HEAD(&vma->anon_vma_chain);
-
-@@ -287,6 +316,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
- mm->stack_vm = mm->total_vm = 1;
- up_write(&mm->mmap_sem);
- bprm->p = vma->vm_end - sizeof(void *);
-+
-+#ifdef CONFIG_PAX_RANDUSTACK
-+ if (randomize_va_space)
-+ bprm->p ^= random32() & ~PAGE_MASK;
-+#endif
-+
- return 0;
- err:
- up_write(&mm->mmap_sem);
-@@ -395,19 +430,7 @@ err:
- return err;
- }
-
--struct user_arg_ptr {
--#ifdef CONFIG_COMPAT
-- bool is_compat;
--#endif
-- union {
-- const char __user *const __user *native;
--#ifdef CONFIG_COMPAT
-- compat_uptr_t __user *compat;
--#endif
-- } ptr;
--};
--
--static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
-+const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
- {
- const char __user *native;
-
-@@ -416,14 +439,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
- compat_uptr_t compat;
-
- if (get_user(compat, argv.ptr.compat + nr))
-- return ERR_PTR(-EFAULT);
-+ return (const char __force_user *)ERR_PTR(-EFAULT);
-
- return compat_ptr(compat);
- }
- #endif
-
- if (get_user(native, argv.ptr.native + nr))
-- return ERR_PTR(-EFAULT);
-+ return (const char __force_user *)ERR_PTR(-EFAULT);
-
- return native;
- }
-@@ -442,7 +465,7 @@ static int count(struct user_arg_ptr argv, int max)
- if (!p)
- break;
-
-- if (IS_ERR(p))
-+ if (IS_ERR((const char __force_kernel *)p))
- return -EFAULT;
-
- if (i++ >= max)
-@@ -476,7 +499,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
-
- ret = -EFAULT;
- str = get_user_arg_ptr(argv, argc);
-- if (IS_ERR(str))
-+ if (IS_ERR((const char __force_kernel *)str))
- goto out;
-
- len = strnlen_user(str, MAX_ARG_STRLEN);
-@@ -558,7 +581,7 @@ int copy_strings_kernel(int argc, const char *const *__argv,
- int r;
- mm_segment_t oldfs = get_fs();
- struct user_arg_ptr argv = {
-- .ptr.native = (const char __user *const __user *)__argv,
-+ .ptr.native = (const char __force_user *const __force_user *)__argv,
- };
-
- set_fs(KERNEL_DS);
-@@ -593,7 +616,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
- unsigned long new_end = old_end - shift;
- struct mmu_gather tlb;
-
-- BUG_ON(new_start > new_end);
-+ if (new_start >= new_end || new_start < mmap_min_addr)
-+ return -ENOMEM;
-
- /*
- * ensure there are no vmas between where we want to go
-@@ -602,6 +626,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
- if (vma != find_vma(mm, new_start))
- return -EFAULT;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ BUG_ON(pax_find_mirror_vma(vma));
-+#endif
-+
- /*
- * cover the whole range: [new_start, old_end)
- */
-@@ -682,10 +710,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
- stack_top = arch_align_stack(stack_top);
- stack_top = PAGE_ALIGN(stack_top);
-
-- if (unlikely(stack_top < mmap_min_addr) ||
-- unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr))
-- return -ENOMEM;
--
- stack_shift = vma->vm_end - stack_top;
-
- bprm->p -= stack_shift;
-@@ -697,8 +721,28 @@ int setup_arg_pages(struct linux_binprm *bprm,
- bprm->exec -= stack_shift;
-
- down_write(&mm->mmap_sem);
-+
-+ /* Move stack pages down in memory. */
-+ if (stack_shift) {
-+ ret = shift_arg_pages(vma, stack_shift);
-+ if (ret)
-+ goto out_unlock;
-+ }
-+
- vm_flags = VM_STACK_FLAGS;
-
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
-+ vm_flags &= ~VM_EXEC;
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (mm->pax_flags & MF_PAX_MPROTECT)
-+ vm_flags &= ~VM_MAYEXEC;
-+#endif
-+
-+ }
-+#endif
-+
- /*
- * Adjust stack execute permissions; explicitly enable for
- * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone
-@@ -717,13 +761,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
- goto out_unlock;
- BUG_ON(prev != vma);
-
-- /* Move stack pages down in memory. */
-- if (stack_shift) {
-- ret = shift_arg_pages(vma, stack_shift);
-- if (ret)
-- goto out_unlock;
-- }
--
- /* mprotect_fixup is overkill to remove the temporary stack flags */
- vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
-
-@@ -781,6 +818,8 @@ struct file *open_exec(const char *name)
-
- fsnotify_open(file);
-
-+ trace_open_exec(name);
-+
- err = deny_write_access(file);
- if (err)
- goto exit;
-@@ -804,7 +843,7 @@ int kernel_read(struct file *file, loff_t offset,
- old_fs = get_fs();
- set_fs(get_ds());
- /* The cast to a user pointer is valid due to the set_fs() */
-- result = vfs_read(file, (void __user *)addr, count, &pos);
-+ result = vfs_read(file, (void __force_user *)addr, count, &pos);
- set_fs(old_fs);
- return result;
- }
-@@ -1257,7 +1296,7 @@ static int check_unsafe_exec(struct linux_binprm *bprm)
- }
- rcu_read_unlock();
-
-- if (p->fs->users > n_fs) {
-+ if (atomic_read(&p->fs->users) > n_fs) {
- bprm->unsafe |= LSM_UNSAFE_SHARE;
- } else {
- res = -EAGAIN;
-@@ -1460,6 +1499,28 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
-
- EXPORT_SYMBOL(search_binary_handler);
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+static DEFINE_PER_CPU(u64, exec_counter);
-+static int __init init_exec_counters(void)
-+{
-+ unsigned int cpu;
-+
-+ for_each_possible_cpu(cpu) {
-+ per_cpu(exec_counter, cpu) = (u64)cpu;
-+ }
-+
-+ return 0;
-+}
-+early_initcall(init_exec_counters);
-+static inline void increment_exec_counter(void)
-+{
-+ BUILD_BUG_ON(NR_CPUS > (1 << 16));
-+ current->exec_id = this_cpu_add_return(exec_counter, 1 << 16);
-+}
-+#else
-+static inline void increment_exec_counter(void) {}
-+#endif
-+
- /*
- * sys_execve() executes a new program.
- */
-@@ -1468,6 +1529,11 @@ static int do_execve_common(const char *filename,
- struct user_arg_ptr envp,
- struct pt_regs *regs)
- {
-+#ifdef CONFIG_GRKERNSEC
-+ struct file *old_exec_file;
-+ struct acl_subject_label *old_acl;
-+ struct rlimit old_rlim[RLIM_NLIMITS];
-+#endif
- struct linux_binprm *bprm;
- struct file *file;
- struct files_struct *displaced;
-@@ -1475,6 +1541,8 @@ static int do_execve_common(const char *filename,
- int retval;
- const struct cred *cred = current_cred();
-
-+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(¤t->cred->user->processes), 1);
-+
- /*
- * We move the actual failure in case of RLIMIT_NPROC excess from
- * set*uid() to execve() because too many poorly written programs
-@@ -1515,12 +1583,27 @@ static int do_execve_common(const char *filename,
- if (IS_ERR(file))
- goto out_unmark;
-
-+ if (gr_ptrace_readexec(file, bprm->unsafe)) {
-+ retval = -EPERM;
-+ goto out_file;
-+ }
-+
- sched_exec();
-
- bprm->file = file;
- bprm->filename = filename;
- bprm->interp = filename;
-
-+ if (gr_process_user_ban()) {
-+ retval = -EPERM;
-+ goto out_file;
-+ }
-+
-+ if (!gr_acl_handle_execve(file->f_dentry, file->f_vfsmnt)) {
-+ retval = -EACCES;
-+ goto out_file;
-+ }
-+
- retval = bprm_mm_init(bprm);
- if (retval)
- goto out_file;
-@@ -1537,24 +1620,65 @@ static int do_execve_common(const char *filename,
- if (retval < 0)
- goto out;
-
-+#ifdef CONFIG_GRKERNSEC
-+ old_acl = current->acl;
-+ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim));
-+ old_exec_file = current->exec_file;
-+ get_file(file);
-+ current->exec_file = file;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ /* limit suid stack to 8MB
-+ we saved the old limits above and will restore them if this exec fails
-+ */
-+ if (((bprm->cred->euid != current_euid()) || (bprm->cred->egid != current_egid())) &&
-+ (old_rlim[RLIMIT_STACK].rlim_cur > (8 * 1024 * 1024)))
-+ current->signal->rlim[RLIMIT_STACK].rlim_cur = 8 * 1024 * 1024;
-+#endif
-+
-+ if (!gr_tpe_allow(file)) {
-+ retval = -EACCES;
-+ goto out_fail;
-+ }
-+
-+ if (gr_check_crash_exec(file)) {
-+ retval = -EACCES;
-+ goto out_fail;
-+ }
-+
-+ retval = gr_set_proc_label(file->f_dentry, file->f_vfsmnt,
-+ bprm->unsafe);
-+ if (retval < 0)
-+ goto out_fail;
-+
- retval = copy_strings_kernel(1, &bprm->filename, bprm);
- if (retval < 0)
-- goto out;
-+ goto out_fail;
-
- bprm->exec = bprm->p;
- retval = copy_strings(bprm->envc, envp, bprm);
- if (retval < 0)
-- goto out;
-+ goto out_fail;
-
- retval = copy_strings(bprm->argc, argv, bprm);
- if (retval < 0)
-- goto out;
-+ goto out_fail;
-+
-+ gr_log_chroot_exec(file->f_dentry, file->f_vfsmnt);
-+
-+ gr_handle_exec_args(bprm, argv);
-
- retval = search_binary_handler(bprm,regs);
- if (retval < 0)
-- goto out;
-+ goto out_fail;
-+#ifdef CONFIG_GRKERNSEC
-+ if (old_exec_file)
-+ fput(old_exec_file);
-+#endif
-
- /* execve succeeded */
-+
-+ increment_exec_counter();
- current->fs->in_exec = 0;
- current->in_execve = 0;
- acct_update_integrals(current);
-@@ -1563,6 +1687,14 @@ static int do_execve_common(const char *filename,
- put_files_struct(displaced);
- return retval;
-
-+out_fail:
-+#ifdef CONFIG_GRKERNSEC
-+ current->acl = old_acl;
-+ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim));
-+ fput(current->exec_file);
-+ current->exec_file = old_exec_file;
-+#endif
-+
- out:
- if (bprm->mm) {
- acct_arg_size(bprm, 0);
-@@ -1636,7 +1768,7 @@ static int expand_corename(struct core_name *cn)
- {
- char *old_corename = cn->corename;
-
-- cn->size = CORENAME_MAX_SIZE * atomic_inc_return(&call_count);
-+ cn->size = CORENAME_MAX_SIZE * atomic_inc_return_unchecked(&call_count);
- cn->corename = krealloc(old_corename, cn->size, GFP_KERNEL);
-
- if (!cn->corename) {
-@@ -1733,7 +1865,7 @@ static int format_corename(struct core_name *cn, long signr)
- int pid_in_pattern = 0;
- int err = 0;
-
-- cn->size = CORENAME_MAX_SIZE * atomic_read(&call_count);
-+ cn->size = CORENAME_MAX_SIZE * atomic_read_unchecked(&call_count);
- cn->corename = kmalloc(cn->size, GFP_KERNEL);
- cn->used = 0;
-
-@@ -1830,6 +1962,250 @@ out:
- return ispipe;
- }
-
-+int pax_check_flags(unsigned long *flags)
-+{
-+ int retval = 0;
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC)
-+ if (*flags & MF_PAX_SEGMEXEC)
-+ {
-+ *flags &= ~MF_PAX_SEGMEXEC;
-+ retval = -EINVAL;
-+ }
-+#endif
-+
-+ if ((*flags & MF_PAX_PAGEEXEC)
-+
-+#ifdef CONFIG_PAX_PAGEEXEC
-+ && (*flags & MF_PAX_SEGMEXEC)
-+#endif
-+
-+ )
-+ {
-+ *flags &= ~MF_PAX_PAGEEXEC;
-+ retval = -EINVAL;
-+ }
-+
-+ if ((*flags & MF_PAX_MPROTECT)
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
-+#endif
-+
-+ )
-+ {
-+ *flags &= ~MF_PAX_MPROTECT;
-+ retval = -EINVAL;
-+ }
-+
-+ if ((*flags & MF_PAX_EMUTRAMP)
-+
-+#ifdef CONFIG_PAX_EMUTRAMP
-+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
-+#endif
-+
-+ )
-+ {
-+ *flags &= ~MF_PAX_EMUTRAMP;
-+ retval = -EINVAL;
-+ }
-+
-+ return retval;
-+}
-+
-+EXPORT_SYMBOL(pax_check_flags);
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+void pax_report_fault(struct pt_regs *regs, void *pc, void *sp)
-+{
-+ struct task_struct *tsk = current;
-+ struct mm_struct *mm = current->mm;
-+ char *buffer_exec = (char *)__get_free_page(GFP_KERNEL);
-+ char *buffer_fault = (char *)__get_free_page(GFP_KERNEL);
-+ char *path_exec = NULL;
-+ char *path_fault = NULL;
-+ unsigned long start = 0UL, end = 0UL, offset = 0UL;
-+
-+ if (buffer_exec && buffer_fault) {
-+ struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL;
-+
-+ down_read(&mm->mmap_sem);
-+ vma = mm->mmap;
-+ while (vma && (!vma_exec || !vma_fault)) {
-+ if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file)
-+ vma_exec = vma;
-+ if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end)
-+ vma_fault = vma;
-+ vma = vma->vm_next;
-+ }
-+ if (vma_exec) {
-+ path_exec = d_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE);
-+ if (IS_ERR(path_exec))
-+ path_exec = "<path too long>";
-+ else {
-+ path_exec = mangle_path(buffer_exec, path_exec, "\t\n\\");
-+ if (path_exec) {
-+ *path_exec = 0;
-+ path_exec = buffer_exec;
-+ } else
-+ path_exec = "<path too long>";
-+ }
-+ }
-+ if (vma_fault) {
-+ start = vma_fault->vm_start;
-+ end = vma_fault->vm_end;
-+ offset = vma_fault->vm_pgoff << PAGE_SHIFT;
-+ if (vma_fault->vm_file) {
-+ path_fault = d_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE);
-+ if (IS_ERR(path_fault))
-+ path_fault = "<path too long>";
-+ else {
-+ path_fault = mangle_path(buffer_fault, path_fault, "\t\n\\");
-+ if (path_fault) {
-+ *path_fault = 0;
-+ path_fault = buffer_fault;
-+ } else
-+ path_fault = "<path too long>";
-+ }
-+ } else
-+ path_fault = "<anonymous mapping>";
-+ }
-+ up_read(&mm->mmap_sem);
-+ }
-+ if (tsk->signal->curr_ip)
-+ printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset);
-+ else
-+ printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset);
-+ printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, "
-+ "PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk),
-+ task_uid(tsk), task_euid(tsk), pc, sp);
-+ free_page((unsigned long)buffer_exec);
-+ free_page((unsigned long)buffer_fault);
-+ pax_report_insns(regs, pc, sp);
-+ do_coredump(SIGKILL, SIGKILL, regs);
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+void pax_report_refcount_overflow(struct pt_regs *regs)
-+{
-+ if (current->signal->curr_ip)
-+ printk(KERN_ERR "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
-+ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid());
-+ else
-+ printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
-+ current->comm, task_pid_nr(current), current_uid(), current_euid());
-+ print_symbol(KERN_ERR "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs));
-+ show_regs(regs);
-+ force_sig_info(SIGKILL, SEND_SIG_FORCED, current);
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */
-+static noinline int check_stack_object(const void *obj, unsigned long len)
-+{
-+ const void * const stack = task_stack_page(current);
-+ const void * const stackend = stack + THREAD_SIZE;
-+
-+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
-+ const void *frame = NULL;
-+ const void *oldframe;
-+#endif
-+
-+ if (obj + len < obj)
-+ return -1;
-+
-+ if (obj + len <= stack || stackend <= obj)
-+ return 0;
-+
-+ if (obj < stack || stackend < obj + len)
-+ return -1;
-+
-+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
-+ oldframe = __builtin_frame_address(1);
-+ if (oldframe)
-+ frame = __builtin_frame_address(2);
-+ /*
-+ low ----------------------------------------------> high
-+ [saved bp][saved ip][args][local vars][saved bp][saved ip]
-+ ^----------------^
-+ allow copies only within here
-+ */
-+ while (stack <= frame && frame < stackend) {
-+ /* if obj + len extends past the last frame, this
-+ check won't pass and the next frame will be 0,
-+ causing us to bail out and correctly report
-+ the copy as invalid
-+ */
-+ if (obj + len <= frame)
-+ return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1;
-+ oldframe = frame;
-+ frame = *(const void * const *)frame;
-+ }
-+ return -1;
-+#else
-+ return 1;
-+#endif
-+}
-+
-+static __noreturn void pax_report_usercopy(const void *ptr, unsigned long len, bool to, const char *type)
-+{
-+ if (current->signal->curr_ip)
-+ printk(KERN_ERR "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
-+ ¤t->signal->curr_ip, to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len);
-+ else
-+ printk(KERN_ERR "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
-+ to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len);
-+ dump_stack();
-+ gr_handle_kernel_exploit();
-+ do_group_exit(SIGKILL);
-+}
-+#endif
-+
-+void check_object_size(const void *ptr, unsigned long n, bool to)
-+{
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+ const char *type;
-+
-+ if (!n)
-+ return;
-+
-+ type = check_heap_object(ptr, n, to);
-+ if (!type) {
-+ if (check_stack_object(ptr, n) != -1)
-+ return;
-+ type = "<process stack>";
-+ }
-+
-+ pax_report_usercopy(ptr, n, to, type);
-+#endif
-+
-+}
-+EXPORT_SYMBOL(check_object_size);
-+
-+#ifdef CONFIG_PAX_MEMORY_STACKLEAK
-+void pax_track_stack(void)
-+{
-+ unsigned long sp = (unsigned long)&sp;
-+ if (sp < current_thread_info()->lowest_stack &&
-+ sp > (unsigned long)task_stack_page(current))
-+ current_thread_info()->lowest_stack = sp;
-+}
-+EXPORT_SYMBOL(pax_track_stack);
-+#endif
-+
-+#ifdef CONFIG_PAX_SIZE_OVERFLOW
-+void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
-+{
-+ printk(KERN_ERR "PAX: size overflow detected in function %s %s:%u %s", func, file, line, ssa_name);
-+ dump_stack();
-+ do_group_exit(SIGKILL);
-+}
-+EXPORT_SYMBOL(report_size_overflow);
-+#endif
-+
- static int zap_process(struct task_struct *start, int exit_code)
- {
- struct task_struct *t;
-@@ -2002,17 +2378,17 @@ static void coredump_finish(struct mm_struct *mm)
- void set_dumpable(struct mm_struct *mm, int value)
- {
- switch (value) {
-- case 0:
-+ case SUID_DUMPABLE_DISABLED:
- clear_bit(MMF_DUMPABLE, &mm->flags);
- smp_wmb();
- clear_bit(MMF_DUMP_SECURELY, &mm->flags);
- break;
-- case 1:
-+ case SUID_DUMPABLE_ENABLED:
- set_bit(MMF_DUMPABLE, &mm->flags);
- smp_wmb();
- clear_bit(MMF_DUMP_SECURELY, &mm->flags);
- break;
-- case 2:
-+ case SUID_DUMPABLE_SAFE:
- set_bit(MMF_DUMP_SECURELY, &mm->flags);
- smp_wmb();
- set_bit(MMF_DUMPABLE, &mm->flags);
-@@ -2025,7 +2401,7 @@ static int __get_dumpable(unsigned long mm_flags)
- int ret;
-
- ret = mm_flags & MMF_DUMPABLE_MASK;
-- return (ret >= 2) ? 2 : ret;
-+ return (ret > SUID_DUMPABLE_ENABLED) ? SUID_DUMPABLE_SAFE : ret;
- }
-
- int get_dumpable(struct mm_struct *mm)
-@@ -2040,17 +2416,17 @@ static void wait_for_dump_helpers(struct file *file)
- pipe = file->f_path.dentry->d_inode->i_pipe;
-
- pipe_lock(pipe);
-- pipe->readers++;
-- pipe->writers--;
-+ atomic_inc(&pipe->readers);
-+ atomic_dec(&pipe->writers);
-
-- while ((pipe->readers > 1) && (!signal_pending(current))) {
-+ while ((atomic_read(&pipe->readers) > 1) && (!signal_pending(current))) {
- wake_up_interruptible_sync(&pipe->wait);
- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
- pipe_wait(pipe);
- }
-
-- pipe->readers--;
-- pipe->writers++;
-+ atomic_dec(&pipe->readers);
-+ atomic_inc(&pipe->writers);
- pipe_unlock(pipe);
-
- }
-@@ -2111,7 +2487,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
- int retval = 0;
- int flag = 0;
- int ispipe;
-- static atomic_t core_dump_count = ATOMIC_INIT(0);
-+ bool need_nonrelative = false;
-+ static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0);
- struct coredump_params cprm = {
- .signr = signr,
- .regs = regs,
-@@ -2126,6 +2503,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
-
- audit_core_dumps(signr);
-
-+ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL)
-+ gr_handle_brute_attach(current, cprm.mm_flags);
-+
- binfmt = mm->binfmt;
- if (!binfmt || !binfmt->core_dump)
- goto fail;
-@@ -2136,14 +2516,16 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
- if (!cred)
- goto fail;
- /*
-- * We cannot trust fsuid as being the "true" uid of the
-- * process nor do we know its entire history. We only know it
-- * was tainted so we dump it as root in mode 2.
-+ * We cannot trust fsuid as being the "true" uid of the process
-+ * nor do we know its entire history. We only know it was tainted
-+ * so we dump it as root in mode 2, and only into a controlled
-+ * environment (pipe handler or fully qualified path).
- */
-- if (__get_dumpable(cprm.mm_flags) == 2) {
-+ if (__get_dumpable(cprm.mm_flags) == SUID_DUMPABLE_SAFE) {
- /* Setuid core dump mode */
- flag = O_EXCL; /* Stop rewrite attacks */
- cred->fsuid = GLOBAL_ROOT_UID; /* Dump root private */
-+ need_nonrelative = true;
- }
-
- retval = coredump_wait(exit_code, &core_state);
-@@ -2193,7 +2575,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
- }
- cprm.limit = RLIM_INFINITY;
-
-- dump_count = atomic_inc_return(&core_dump_count);
-+ dump_count = atomic_inc_return_unchecked(&core_dump_count);
- if (core_pipe_limit && (core_pipe_limit < dump_count)) {
- printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n",
- task_tgid_vnr(current), current->comm);
-@@ -2220,9 +2602,19 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
- } else {
- struct inode *inode;
-
-+ gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1);
-+
- if (cprm.limit < binfmt->min_coredump)
- goto fail_unlock;
-
-+ if (need_nonrelative && cn.corename[0] != '/') {
-+ printk(KERN_WARNING "Pid %d(%s) can only dump core "\
-+ "to fully qualified path!\n",
-+ task_tgid_vnr(current), current->comm);
-+ printk(KERN_WARNING "Skipping core dump\n");
-+ goto fail_unlock;
-+ }
-+
- cprm.file = filp_open(cn.corename,
- O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag,
- 0600);
-@@ -2263,7 +2655,7 @@ close_fail:
- filp_close(cprm.file, NULL);
- fail_dropcount:
- if (ispipe)
-- atomic_dec(&core_dump_count);
-+ atomic_dec_unchecked(&core_dump_count);
- fail_unlock:
- kfree(cn.corename);
- fail_corename:
-@@ -2282,7 +2674,7 @@ fail:
- */
- int dump_write(struct file *file, const void *addr, int nr)
- {
-- return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, addr, nr, &file->f_pos) == nr;
-+ return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, (const char __force_user *)addr, nr, &file->f_pos) == nr;
- }
- EXPORT_SYMBOL(dump_write);
-
-diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
-index 1c36139..cf6b350 100644
---- a/fs/ext2/balloc.c
-+++ b/fs/ext2/balloc.c
-@@ -1190,10 +1190,10 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
-
- free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
- root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
-- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-+ if (free_blocks < root_blocks + 1 &&
- !uid_eq(sbi->s_resuid, current_fsuid()) &&
- (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
-- !in_group_p (sbi->s_resgid))) {
-+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
- return 0;
- }
- return 1;
-diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
-index 25cd608..9ed5294 100644
---- a/fs/ext3/balloc.c
-+++ b/fs/ext3/balloc.c
-@@ -1438,10 +1438,10 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi, int use_reservation)
-
- free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
- root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
-- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-+ if (free_blocks < root_blocks + 1 &&
- !use_reservation && !uid_eq(sbi->s_resuid, current_fsuid()) &&
- (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
-- !in_group_p (sbi->s_resgid))) {
-+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
- return 0;
- }
- return 1;
-diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
-index 1b50890..e56c5ad 100644
---- a/fs/ext4/balloc.c
-+++ b/fs/ext4/balloc.c
-@@ -500,8 +500,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
- /* Hm, nope. Are (enough) root reserved clusters available? */
- if (uid_eq(sbi->s_resuid, current_fsuid()) ||
- (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) ||
-- capable(CAP_SYS_RESOURCE) ||
-- (flags & EXT4_MB_USE_ROOT_BLOCKS)) {
-+ (flags & EXT4_MB_USE_ROOT_BLOCKS) ||
-+ capable_nolog(CAP_SYS_RESOURCE)) {
-
- if (free_clusters >= (nclusters + dirty_clusters))
- return 1;
-diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
-index 01434f2..bd995b4 100644
---- a/fs/ext4/ext4.h
-+++ b/fs/ext4/ext4.h
-@@ -1246,19 +1246,19 @@ struct ext4_sb_info {
- unsigned long s_mb_last_start;
-
- /* stats for buddy allocator */
-- atomic_t s_bal_reqs; /* number of reqs with len > 1 */
-- atomic_t s_bal_success; /* we found long enough chunks */
-- atomic_t s_bal_allocated; /* in blocks */
-- atomic_t s_bal_ex_scanned; /* total extents scanned */
-- atomic_t s_bal_goals; /* goal hits */
-- atomic_t s_bal_breaks; /* too long searches */
-- atomic_t s_bal_2orders; /* 2^order hits */
-+ atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */
-+ atomic_unchecked_t s_bal_success; /* we found long enough chunks */
-+ atomic_unchecked_t s_bal_allocated; /* in blocks */
-+ atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */
-+ atomic_unchecked_t s_bal_goals; /* goal hits */
-+ atomic_unchecked_t s_bal_breaks; /* too long searches */
-+ atomic_unchecked_t s_bal_2orders; /* 2^order hits */
- spinlock_t s_bal_lock;
- unsigned long s_mb_buddies_generated;
- unsigned long long s_mb_generation_time;
-- atomic_t s_mb_lost_chunks;
-- atomic_t s_mb_preallocated;
-- atomic_t s_mb_discarded;
-+ atomic_unchecked_t s_mb_lost_chunks;
-+ atomic_unchecked_t s_mb_preallocated;
-+ atomic_unchecked_t s_mb_discarded;
- atomic_t s_lock_busy;
-
- /* locality groups */
-diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
-index 1cd6994..5799d45 100644
---- a/fs/ext4/mballoc.c
-+++ b/fs/ext4/mballoc.c
-@@ -1747,7 +1747,7 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac,
- BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len);
-
- if (EXT4_SB(sb)->s_mb_stats)
-- atomic_inc(&EXT4_SB(sb)->s_bal_2orders);
-+ atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders);
-
- break;
- }
-@@ -2041,7 +2041,7 @@ repeat:
- ac->ac_status = AC_STATUS_CONTINUE;
- ac->ac_flags |= EXT4_MB_HINT_FIRST;
- cr = 3;
-- atomic_inc(&sbi->s_mb_lost_chunks);
-+ atomic_inc_unchecked(&sbi->s_mb_lost_chunks);
- goto repeat;
- }
- }
-@@ -2545,25 +2545,25 @@ int ext4_mb_release(struct super_block *sb)
- if (sbi->s_mb_stats) {
- ext4_msg(sb, KERN_INFO,
- "mballoc: %u blocks %u reqs (%u success)",
-- atomic_read(&sbi->s_bal_allocated),
-- atomic_read(&sbi->s_bal_reqs),
-- atomic_read(&sbi->s_bal_success));
-+ atomic_read_unchecked(&sbi->s_bal_allocated),
-+ atomic_read_unchecked(&sbi->s_bal_reqs),
-+ atomic_read_unchecked(&sbi->s_bal_success));
- ext4_msg(sb, KERN_INFO,
- "mballoc: %u extents scanned, %u goal hits, "
- "%u 2^N hits, %u breaks, %u lost",
-- atomic_read(&sbi->s_bal_ex_scanned),
-- atomic_read(&sbi->s_bal_goals),
-- atomic_read(&sbi->s_bal_2orders),
-- atomic_read(&sbi->s_bal_breaks),
-- atomic_read(&sbi->s_mb_lost_chunks));
-+ atomic_read_unchecked(&sbi->s_bal_ex_scanned),
-+ atomic_read_unchecked(&sbi->s_bal_goals),
-+ atomic_read_unchecked(&sbi->s_bal_2orders),
-+ atomic_read_unchecked(&sbi->s_bal_breaks),
-+ atomic_read_unchecked(&sbi->s_mb_lost_chunks));
- ext4_msg(sb, KERN_INFO,
- "mballoc: %lu generated and it took %Lu",
- sbi->s_mb_buddies_generated,
- sbi->s_mb_generation_time);
- ext4_msg(sb, KERN_INFO,
- "mballoc: %u preallocated, %u discarded",
-- atomic_read(&sbi->s_mb_preallocated),
-- atomic_read(&sbi->s_mb_discarded));
-+ atomic_read_unchecked(&sbi->s_mb_preallocated),
-+ atomic_read_unchecked(&sbi->s_mb_discarded));
- }
-
- free_percpu(sbi->s_locality_groups);
-@@ -3047,16 +3047,16 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac)
- struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
-
- if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {
-- atomic_inc(&sbi->s_bal_reqs);
-- atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
-+ atomic_inc_unchecked(&sbi->s_bal_reqs);
-+ atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
- if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)
-- atomic_inc(&sbi->s_bal_success);
-- atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned);
-+ atomic_inc_unchecked(&sbi->s_bal_success);
-+ atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned);
- if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start &&
- ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group)
-- atomic_inc(&sbi->s_bal_goals);
-+ atomic_inc_unchecked(&sbi->s_bal_goals);
- if (ac->ac_found > sbi->s_mb_max_to_scan)
-- atomic_inc(&sbi->s_bal_breaks);
-+ atomic_inc_unchecked(&sbi->s_bal_breaks);
- }
-
- if (ac->ac_op == EXT4_MB_HISTORY_ALLOC)
-@@ -3456,7 +3456,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
- trace_ext4_mb_new_inode_pa(ac, pa);
-
- ext4_mb_use_inode_pa(ac, pa);
-- atomic_add(pa->pa_free, &sbi->s_mb_preallocated);
-+ atomic_add_unchecked(pa->pa_free, &sbi->s_mb_preallocated);
-
- ei = EXT4_I(ac->ac_inode);
- grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
-@@ -3516,7 +3516,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
- trace_ext4_mb_new_group_pa(ac, pa);
-
- ext4_mb_use_group_pa(ac, pa);
-- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
-+ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
-
- grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
- lg = ac->ac_lg;
-@@ -3605,7 +3605,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
- * from the bitmap and continue.
- */
- }
-- atomic_add(free, &sbi->s_mb_discarded);
-+ atomic_add_unchecked(free, &sbi->s_mb_discarded);
-
- return err;
- }
-@@ -3623,7 +3623,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
- ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
- BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
- mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len);
-- atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
-+ atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
- trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len);
-
- return 0;
-diff --git a/fs/fcntl.c b/fs/fcntl.c
-index 81b70e6..d9ae6cf 100644
---- a/fs/fcntl.c
-+++ b/fs/fcntl.c
-@@ -224,6 +224,11 @@ int __f_setown(struct file *filp, struct pid *pid, enum pid_type type,
- if (err)
- return err;
-
-+ if (gr_handle_chroot_fowner(pid, type))
-+ return -ENOENT;
-+ if (gr_check_protected_task_fowner(pid, type))
-+ return -EACCES;
-+
- f_modown(filp, pid, type, force);
- return 0;
- }
-@@ -266,7 +271,7 @@ pid_t f_getown(struct file *filp)
-
- static int f_setown_ex(struct file *filp, unsigned long arg)
- {
-- struct f_owner_ex * __user owner_p = (void * __user)arg;
-+ struct f_owner_ex __user *owner_p = (void __user *)arg;
- struct f_owner_ex owner;
- struct pid *pid;
- int type;
-@@ -306,7 +311,7 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
-
- static int f_getown_ex(struct file *filp, unsigned long arg)
- {
-- struct f_owner_ex * __user owner_p = (void * __user)arg;
-+ struct f_owner_ex __user *owner_p = (void __user *)arg;
- struct f_owner_ex owner;
- int ret = 0;
-
-@@ -348,6 +353,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
- switch (cmd) {
- case F_DUPFD:
- case F_DUPFD_CLOEXEC:
-+ gr_learn_resource(current, RLIMIT_NOFILE, arg, 0);
- if (arg >= rlimit(RLIMIT_NOFILE))
- break;
- err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0);
-diff --git a/fs/fifo.c b/fs/fifo.c
-index cf6f434..3d7942c 100644
---- a/fs/fifo.c
-+++ b/fs/fifo.c
-@@ -59,10 +59,10 @@ static int fifo_open(struct inode *inode, struct file *filp)
- */
- filp->f_op = &read_pipefifo_fops;
- pipe->r_counter++;
-- if (pipe->readers++ == 0)
-+ if (atomic_inc_return(&pipe->readers) == 1)
- wake_up_partner(inode);
-
-- if (!pipe->writers) {
-+ if (!atomic_read(&pipe->writers)) {
- if ((filp->f_flags & O_NONBLOCK)) {
- /* suppress POLLHUP until we have
- * seen a writer */
-@@ -81,15 +81,15 @@ static int fifo_open(struct inode *inode, struct file *filp)
- * errno=ENXIO when there is no process reading the FIFO.
- */
- ret = -ENXIO;
-- if ((filp->f_flags & O_NONBLOCK) && !pipe->readers)
-+ if ((filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers))
- goto err;
-
- filp->f_op = &write_pipefifo_fops;
- pipe->w_counter++;
-- if (!pipe->writers++)
-+ if (atomic_inc_return(&pipe->writers) == 1)
- wake_up_partner(inode);
-
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- if (wait_for_partner(inode, &pipe->r_counter))
- goto err_wr;
- }
-@@ -104,11 +104,11 @@ static int fifo_open(struct inode *inode, struct file *filp)
- */
- filp->f_op = &rdwr_pipefifo_fops;
-
-- pipe->readers++;
-- pipe->writers++;
-+ atomic_inc(&pipe->readers);
-+ atomic_inc(&pipe->writers);
- pipe->r_counter++;
- pipe->w_counter++;
-- if (pipe->readers == 1 || pipe->writers == 1)
-+ if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1)
- wake_up_partner(inode);
- break;
-
-@@ -122,19 +122,19 @@ static int fifo_open(struct inode *inode, struct file *filp)
- return 0;
-
- err_rd:
-- if (!--pipe->readers)
-+ if (atomic_dec_and_test(&pipe->readers))
- wake_up_interruptible(&pipe->wait);
- ret = -ERESTARTSYS;
- goto err;
-
- err_wr:
-- if (!--pipe->writers)
-+ if (atomic_dec_and_test(&pipe->writers))
- wake_up_interruptible(&pipe->wait);
- ret = -ERESTARTSYS;
- goto err;
-
- err:
-- if (!pipe->readers && !pipe->writers)
-+ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers))
- free_pipe_info(inode);
-
- err_nocleanup:
-diff --git a/fs/file.c b/fs/file.c
-index ba3f605..fade102 100644
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -15,6 +15,7 @@
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/file.h>
-+#include <linux/security.h>
- #include <linux/fdtable.h>
- #include <linux/bitops.h>
- #include <linux/interrupt.h>
-@@ -255,6 +256,7 @@ int expand_files(struct files_struct *files, int nr)
- * N.B. For clone tasks sharing a files structure, this test
- * will limit the total number of files that can be opened.
- */
-+ gr_learn_resource(current, RLIMIT_NOFILE, nr, 0);
- if (nr >= rlimit(RLIMIT_NOFILE))
- return -EMFILE;
-
-diff --git a/fs/filesystems.c b/fs/filesystems.c
-index 96f2428..f5eeb8e 100644
---- a/fs/filesystems.c
-+++ b/fs/filesystems.c
-@@ -273,7 +273,12 @@ struct file_system_type *get_fs_type(const char *name)
- int len = dot ? dot - name : strlen(name);
-
- fs = __get_fs_type(name, len);
-+
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ if (!fs && (___request_module(true, "grsec_modharden_fs", "%.*s", len, name) == 0))
-+#else
- if (!fs && (request_module("%.*s", len, name) == 0))
-+#endif
- fs = __get_fs_type(name, len);
-
- if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
-diff --git a/fs/fs_struct.c b/fs/fs_struct.c
-index e159e68..e7d2a6f 100644
---- a/fs/fs_struct.c
-+++ b/fs/fs_struct.c
-@@ -4,6 +4,7 @@
- #include <linux/path.h>
- #include <linux/slab.h>
- #include <linux/fs_struct.h>
-+#include <linux/grsecurity.h>
- #include "internal.h"
-
- static inline void path_get_longterm(struct path *path)
-@@ -31,6 +32,7 @@ void set_fs_root(struct fs_struct *fs, struct path *path)
- write_seqcount_begin(&fs->seq);
- old_root = fs->root;
- fs->root = *path;
-+ gr_set_chroot_entries(current, path);
- write_seqcount_end(&fs->seq);
- spin_unlock(&fs->lock);
- if (old_root.dentry)
-@@ -65,6 +67,17 @@ static inline int replace_path(struct path *p, const struct path *old, const str
- return 1;
- }
-
-+static inline int replace_root_path(struct task_struct *task, struct path *p, const struct path *old, struct path *new)
-+{
-+ if (likely(p->dentry != old->dentry || p->mnt != old->mnt))
-+ return 0;
-+ *p = *new;
-+
-+ gr_set_chroot_entries(task, new);
-+
-+ return 1;
-+}
-+
- void chroot_fs_refs(struct path *old_root, struct path *new_root)
- {
- struct task_struct *g, *p;
-@@ -79,7 +92,7 @@ void chroot_fs_refs(struct path *old_root, struct path *new_root)
- int hits = 0;
- spin_lock(&fs->lock);
- write_seqcount_begin(&fs->seq);
-- hits += replace_path(&fs->root, old_root, new_root);
-+ hits += replace_root_path(p, &fs->root, old_root, new_root);
- hits += replace_path(&fs->pwd, old_root, new_root);
- write_seqcount_end(&fs->seq);
- while (hits--) {
-@@ -111,7 +124,8 @@ void exit_fs(struct task_struct *tsk)
- task_lock(tsk);
- spin_lock(&fs->lock);
- tsk->fs = NULL;
-- kill = !--fs->users;
-+ gr_clear_chroot_entries(tsk);
-+ kill = !atomic_dec_return(&fs->users);
- spin_unlock(&fs->lock);
- task_unlock(tsk);
- if (kill)
-@@ -124,7 +138,7 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
- struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL);
- /* We don't need to lock fs - think why ;-) */
- if (fs) {
-- fs->users = 1;
-+ atomic_set(&fs->users, 1);
- fs->in_exec = 0;
- spin_lock_init(&fs->lock);
- seqcount_init(&fs->seq);
-@@ -133,6 +147,9 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
- spin_lock(&old->lock);
- fs->root = old->root;
- path_get_longterm(&fs->root);
-+ /* instead of calling gr_set_chroot_entries here,
-+ we call it from every caller of this function
-+ */
- fs->pwd = old->pwd;
- path_get_longterm(&fs->pwd);
- spin_unlock(&old->lock);
-@@ -151,8 +168,9 @@ int unshare_fs_struct(void)
-
- task_lock(current);
- spin_lock(&fs->lock);
-- kill = !--fs->users;
-+ kill = !atomic_dec_return(&fs->users);
- current->fs = new_fs;
-+ gr_set_chroot_entries(current, &new_fs->root);
- spin_unlock(&fs->lock);
- task_unlock(current);
-
-@@ -165,13 +183,13 @@ EXPORT_SYMBOL_GPL(unshare_fs_struct);
-
- int current_umask(void)
- {
-- return current->fs->umask;
-+ return current->fs->umask | gr_acl_umask();
- }
- EXPORT_SYMBOL(current_umask);
-
- /* to be mentioned only in INIT_TASK */
- struct fs_struct init_fs = {
-- .users = 1,
-+ .users = ATOMIC_INIT(1),
- .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock),
- .seq = SEQCNT_ZERO,
- .umask = 0022,
-@@ -187,12 +205,13 @@ void daemonize_fs_struct(void)
- task_lock(current);
-
- spin_lock(&init_fs.lock);
-- init_fs.users++;
-+ atomic_inc(&init_fs.users);
- spin_unlock(&init_fs.lock);
-
- spin_lock(&fs->lock);
- current->fs = &init_fs;
-- kill = !--fs->users;
-+ gr_set_chroot_entries(current, ¤t->fs->root);
-+ kill = !atomic_dec_return(&fs->users);
- spin_unlock(&fs->lock);
-
- task_unlock(current);
-diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
-index 9905350..02eaec4 100644
---- a/fs/fscache/cookie.c
-+++ b/fs/fscache/cookie.c
-@@ -68,11 +68,11 @@ struct fscache_cookie *__fscache_acquire_cookie(
- parent ? (char *) parent->def->name : "<no-parent>",
- def->name, netfs_data);
-
-- fscache_stat(&fscache_n_acquires);
-+ fscache_stat_unchecked(&fscache_n_acquires);
-
- /* if there's no parent cookie, then we don't create one here either */
- if (!parent) {
-- fscache_stat(&fscache_n_acquires_null);
-+ fscache_stat_unchecked(&fscache_n_acquires_null);
- _leave(" [no parent]");
- return NULL;
- }
-@@ -87,7 +87,7 @@ struct fscache_cookie *__fscache_acquire_cookie(
- /* allocate and initialise a cookie */
- cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL);
- if (!cookie) {
-- fscache_stat(&fscache_n_acquires_oom);
-+ fscache_stat_unchecked(&fscache_n_acquires_oom);
- _leave(" [ENOMEM]");
- return NULL;
- }
-@@ -109,13 +109,13 @@ struct fscache_cookie *__fscache_acquire_cookie(
-
- switch (cookie->def->type) {
- case FSCACHE_COOKIE_TYPE_INDEX:
-- fscache_stat(&fscache_n_cookie_index);
-+ fscache_stat_unchecked(&fscache_n_cookie_index);
- break;
- case FSCACHE_COOKIE_TYPE_DATAFILE:
-- fscache_stat(&fscache_n_cookie_data);
-+ fscache_stat_unchecked(&fscache_n_cookie_data);
- break;
- default:
-- fscache_stat(&fscache_n_cookie_special);
-+ fscache_stat_unchecked(&fscache_n_cookie_special);
- break;
- }
-
-@@ -126,13 +126,13 @@ struct fscache_cookie *__fscache_acquire_cookie(
- if (fscache_acquire_non_index_cookie(cookie) < 0) {
- atomic_dec(&parent->n_children);
- __fscache_cookie_put(cookie);
-- fscache_stat(&fscache_n_acquires_nobufs);
-+ fscache_stat_unchecked(&fscache_n_acquires_nobufs);
- _leave(" = NULL");
- return NULL;
- }
- }
-
-- fscache_stat(&fscache_n_acquires_ok);
-+ fscache_stat_unchecked(&fscache_n_acquires_ok);
- _leave(" = %p", cookie);
- return cookie;
- }
-@@ -168,7 +168,7 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie)
- cache = fscache_select_cache_for_object(cookie->parent);
- if (!cache) {
- up_read(&fscache_addremove_sem);
-- fscache_stat(&fscache_n_acquires_no_cache);
-+ fscache_stat_unchecked(&fscache_n_acquires_no_cache);
- _leave(" = -ENOMEDIUM [no cache]");
- return -ENOMEDIUM;
- }
-@@ -256,12 +256,12 @@ static int fscache_alloc_object(struct fscache_cache *cache,
- object = cache->ops->alloc_object(cache, cookie);
- fscache_stat_d(&fscache_n_cop_alloc_object);
- if (IS_ERR(object)) {
-- fscache_stat(&fscache_n_object_no_alloc);
-+ fscache_stat_unchecked(&fscache_n_object_no_alloc);
- ret = PTR_ERR(object);
- goto error;
- }
-
-- fscache_stat(&fscache_n_object_alloc);
-+ fscache_stat_unchecked(&fscache_n_object_alloc);
-
- object->debug_id = atomic_inc_return(&fscache_object_debug_id);
-
-@@ -377,10 +377,10 @@ void __fscache_update_cookie(struct fscache_cookie *cookie)
- struct fscache_object *object;
- struct hlist_node *_p;
-
-- fscache_stat(&fscache_n_updates);
-+ fscache_stat_unchecked(&fscache_n_updates);
-
- if (!cookie) {
-- fscache_stat(&fscache_n_updates_null);
-+ fscache_stat_unchecked(&fscache_n_updates_null);
- _leave(" [no cookie]");
- return;
- }
-@@ -414,12 +414,12 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire)
- struct fscache_object *object;
- unsigned long event;
-
-- fscache_stat(&fscache_n_relinquishes);
-+ fscache_stat_unchecked(&fscache_n_relinquishes);
- if (retire)
-- fscache_stat(&fscache_n_relinquishes_retire);
-+ fscache_stat_unchecked(&fscache_n_relinquishes_retire);
-
- if (!cookie) {
-- fscache_stat(&fscache_n_relinquishes_null);
-+ fscache_stat_unchecked(&fscache_n_relinquishes_null);
- _leave(" [no cookie]");
- return;
- }
-@@ -435,7 +435,7 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire)
-
- /* wait for the cookie to finish being instantiated (or to fail) */
- if (test_bit(FSCACHE_COOKIE_CREATING, &cookie->flags)) {
-- fscache_stat(&fscache_n_relinquishes_waitcrt);
-+ fscache_stat_unchecked(&fscache_n_relinquishes_waitcrt);
- wait_on_bit(&cookie->flags, FSCACHE_COOKIE_CREATING,
- fscache_wait_bit, TASK_UNINTERRUPTIBLE);
- }
-diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
-index f6aad48..88dcf26 100644
---- a/fs/fscache/internal.h
-+++ b/fs/fscache/internal.h
-@@ -144,94 +144,94 @@ extern void fscache_proc_cleanup(void);
- extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
- extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS];
-
--extern atomic_t fscache_n_op_pend;
--extern atomic_t fscache_n_op_run;
--extern atomic_t fscache_n_op_enqueue;
--extern atomic_t fscache_n_op_deferred_release;
--extern atomic_t fscache_n_op_release;
--extern atomic_t fscache_n_op_gc;
--extern atomic_t fscache_n_op_cancelled;
--extern atomic_t fscache_n_op_rejected;
-+extern atomic_unchecked_t fscache_n_op_pend;
-+extern atomic_unchecked_t fscache_n_op_run;
-+extern atomic_unchecked_t fscache_n_op_enqueue;
-+extern atomic_unchecked_t fscache_n_op_deferred_release;
-+extern atomic_unchecked_t fscache_n_op_release;
-+extern atomic_unchecked_t fscache_n_op_gc;
-+extern atomic_unchecked_t fscache_n_op_cancelled;
-+extern atomic_unchecked_t fscache_n_op_rejected;
-
--extern atomic_t fscache_n_attr_changed;
--extern atomic_t fscache_n_attr_changed_ok;
--extern atomic_t fscache_n_attr_changed_nobufs;
--extern atomic_t fscache_n_attr_changed_nomem;
--extern atomic_t fscache_n_attr_changed_calls;
-+extern atomic_unchecked_t fscache_n_attr_changed;
-+extern atomic_unchecked_t fscache_n_attr_changed_ok;
-+extern atomic_unchecked_t fscache_n_attr_changed_nobufs;
-+extern atomic_unchecked_t fscache_n_attr_changed_nomem;
-+extern atomic_unchecked_t fscache_n_attr_changed_calls;
-
--extern atomic_t fscache_n_allocs;
--extern atomic_t fscache_n_allocs_ok;
--extern atomic_t fscache_n_allocs_wait;
--extern atomic_t fscache_n_allocs_nobufs;
--extern atomic_t fscache_n_allocs_intr;
--extern atomic_t fscache_n_allocs_object_dead;
--extern atomic_t fscache_n_alloc_ops;
--extern atomic_t fscache_n_alloc_op_waits;
-+extern atomic_unchecked_t fscache_n_allocs;
-+extern atomic_unchecked_t fscache_n_allocs_ok;
-+extern atomic_unchecked_t fscache_n_allocs_wait;
-+extern atomic_unchecked_t fscache_n_allocs_nobufs;
-+extern atomic_unchecked_t fscache_n_allocs_intr;
-+extern atomic_unchecked_t fscache_n_allocs_object_dead;
-+extern atomic_unchecked_t fscache_n_alloc_ops;
-+extern atomic_unchecked_t fscache_n_alloc_op_waits;
-
--extern atomic_t fscache_n_retrievals;
--extern atomic_t fscache_n_retrievals_ok;
--extern atomic_t fscache_n_retrievals_wait;
--extern atomic_t fscache_n_retrievals_nodata;
--extern atomic_t fscache_n_retrievals_nobufs;
--extern atomic_t fscache_n_retrievals_intr;
--extern atomic_t fscache_n_retrievals_nomem;
--extern atomic_t fscache_n_retrievals_object_dead;
--extern atomic_t fscache_n_retrieval_ops;
--extern atomic_t fscache_n_retrieval_op_waits;
-+extern atomic_unchecked_t fscache_n_retrievals;
-+extern atomic_unchecked_t fscache_n_retrievals_ok;
-+extern atomic_unchecked_t fscache_n_retrievals_wait;
-+extern atomic_unchecked_t fscache_n_retrievals_nodata;
-+extern atomic_unchecked_t fscache_n_retrievals_nobufs;
-+extern atomic_unchecked_t fscache_n_retrievals_intr;
-+extern atomic_unchecked_t fscache_n_retrievals_nomem;
-+extern atomic_unchecked_t fscache_n_retrievals_object_dead;
-+extern atomic_unchecked_t fscache_n_retrieval_ops;
-+extern atomic_unchecked_t fscache_n_retrieval_op_waits;
-
--extern atomic_t fscache_n_stores;
--extern atomic_t fscache_n_stores_ok;
--extern atomic_t fscache_n_stores_again;
--extern atomic_t fscache_n_stores_nobufs;
--extern atomic_t fscache_n_stores_oom;
--extern atomic_t fscache_n_store_ops;
--extern atomic_t fscache_n_store_calls;
--extern atomic_t fscache_n_store_pages;
--extern atomic_t fscache_n_store_radix_deletes;
--extern atomic_t fscache_n_store_pages_over_limit;
-+extern atomic_unchecked_t fscache_n_stores;
-+extern atomic_unchecked_t fscache_n_stores_ok;
-+extern atomic_unchecked_t fscache_n_stores_again;
-+extern atomic_unchecked_t fscache_n_stores_nobufs;
-+extern atomic_unchecked_t fscache_n_stores_oom;
-+extern atomic_unchecked_t fscache_n_store_ops;
-+extern atomic_unchecked_t fscache_n_store_calls;
-+extern atomic_unchecked_t fscache_n_store_pages;
-+extern atomic_unchecked_t fscache_n_store_radix_deletes;
-+extern atomic_unchecked_t fscache_n_store_pages_over_limit;
-
--extern atomic_t fscache_n_store_vmscan_not_storing;
--extern atomic_t fscache_n_store_vmscan_gone;
--extern atomic_t fscache_n_store_vmscan_busy;
--extern atomic_t fscache_n_store_vmscan_cancelled;
-+extern atomic_unchecked_t fscache_n_store_vmscan_not_storing;
-+extern atomic_unchecked_t fscache_n_store_vmscan_gone;
-+extern atomic_unchecked_t fscache_n_store_vmscan_busy;
-+extern atomic_unchecked_t fscache_n_store_vmscan_cancelled;
-
--extern atomic_t fscache_n_marks;
--extern atomic_t fscache_n_uncaches;
-+extern atomic_unchecked_t fscache_n_marks;
-+extern atomic_unchecked_t fscache_n_uncaches;
-
--extern atomic_t fscache_n_acquires;
--extern atomic_t fscache_n_acquires_null;
--extern atomic_t fscache_n_acquires_no_cache;
--extern atomic_t fscache_n_acquires_ok;
--extern atomic_t fscache_n_acquires_nobufs;
--extern atomic_t fscache_n_acquires_oom;
-+extern atomic_unchecked_t fscache_n_acquires;
-+extern atomic_unchecked_t fscache_n_acquires_null;
-+extern atomic_unchecked_t fscache_n_acquires_no_cache;
-+extern atomic_unchecked_t fscache_n_acquires_ok;
-+extern atomic_unchecked_t fscache_n_acquires_nobufs;
-+extern atomic_unchecked_t fscache_n_acquires_oom;
-
--extern atomic_t fscache_n_updates;
--extern atomic_t fscache_n_updates_null;
--extern atomic_t fscache_n_updates_run;
-+extern atomic_unchecked_t fscache_n_updates;
-+extern atomic_unchecked_t fscache_n_updates_null;
-+extern atomic_unchecked_t fscache_n_updates_run;
-
--extern atomic_t fscache_n_relinquishes;
--extern atomic_t fscache_n_relinquishes_null;
--extern atomic_t fscache_n_relinquishes_waitcrt;
--extern atomic_t fscache_n_relinquishes_retire;
-+extern atomic_unchecked_t fscache_n_relinquishes;
-+extern atomic_unchecked_t fscache_n_relinquishes_null;
-+extern atomic_unchecked_t fscache_n_relinquishes_waitcrt;
-+extern atomic_unchecked_t fscache_n_relinquishes_retire;
-
--extern atomic_t fscache_n_cookie_index;
--extern atomic_t fscache_n_cookie_data;
--extern atomic_t fscache_n_cookie_special;
-+extern atomic_unchecked_t fscache_n_cookie_index;
-+extern atomic_unchecked_t fscache_n_cookie_data;
-+extern atomic_unchecked_t fscache_n_cookie_special;
-
--extern atomic_t fscache_n_object_alloc;
--extern atomic_t fscache_n_object_no_alloc;
--extern atomic_t fscache_n_object_lookups;
--extern atomic_t fscache_n_object_lookups_negative;
--extern atomic_t fscache_n_object_lookups_positive;
--extern atomic_t fscache_n_object_lookups_timed_out;
--extern atomic_t fscache_n_object_created;
--extern atomic_t fscache_n_object_avail;
--extern atomic_t fscache_n_object_dead;
-+extern atomic_unchecked_t fscache_n_object_alloc;
-+extern atomic_unchecked_t fscache_n_object_no_alloc;
-+extern atomic_unchecked_t fscache_n_object_lookups;
-+extern atomic_unchecked_t fscache_n_object_lookups_negative;
-+extern atomic_unchecked_t fscache_n_object_lookups_positive;
-+extern atomic_unchecked_t fscache_n_object_lookups_timed_out;
-+extern atomic_unchecked_t fscache_n_object_created;
-+extern atomic_unchecked_t fscache_n_object_avail;
-+extern atomic_unchecked_t fscache_n_object_dead;
-
--extern atomic_t fscache_n_checkaux_none;
--extern atomic_t fscache_n_checkaux_okay;
--extern atomic_t fscache_n_checkaux_update;
--extern atomic_t fscache_n_checkaux_obsolete;
-+extern atomic_unchecked_t fscache_n_checkaux_none;
-+extern atomic_unchecked_t fscache_n_checkaux_okay;
-+extern atomic_unchecked_t fscache_n_checkaux_update;
-+extern atomic_unchecked_t fscache_n_checkaux_obsolete;
-
- extern atomic_t fscache_n_cop_alloc_object;
- extern atomic_t fscache_n_cop_lookup_object;
-@@ -255,6 +255,11 @@ static inline void fscache_stat(atomic_t *stat)
- atomic_inc(stat);
- }
-
-+static inline void fscache_stat_unchecked(atomic_unchecked_t *stat)
-+{
-+ atomic_inc_unchecked(stat);
-+}
-+
- static inline void fscache_stat_d(atomic_t *stat)
- {
- atomic_dec(stat);
-@@ -267,6 +272,7 @@ extern const struct file_operations fscache_stats_fops;
-
- #define __fscache_stat(stat) (NULL)
- #define fscache_stat(stat) do {} while (0)
-+#define fscache_stat_unchecked(stat) do {} while (0)
- #define fscache_stat_d(stat) do {} while (0)
- #endif
-
-diff --git a/fs/fscache/object.c b/fs/fscache/object.c
-index b6b897c..0ffff9c 100644
---- a/fs/fscache/object.c
-+++ b/fs/fscache/object.c
-@@ -128,7 +128,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
- /* update the object metadata on disk */
- case FSCACHE_OBJECT_UPDATING:
- clear_bit(FSCACHE_OBJECT_EV_UPDATE, &object->events);
-- fscache_stat(&fscache_n_updates_run);
-+ fscache_stat_unchecked(&fscache_n_updates_run);
- fscache_stat(&fscache_n_cop_update_object);
- object->cache->ops->update_object(object);
- fscache_stat_d(&fscache_n_cop_update_object);
-@@ -217,7 +217,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
- spin_lock(&object->lock);
- object->state = FSCACHE_OBJECT_DEAD;
- spin_unlock(&object->lock);
-- fscache_stat(&fscache_n_object_dead);
-+ fscache_stat_unchecked(&fscache_n_object_dead);
- goto terminal_transit;
-
- /* handle the parent cache of this object being withdrawn from
-@@ -232,7 +232,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
- spin_lock(&object->lock);
- object->state = FSCACHE_OBJECT_DEAD;
- spin_unlock(&object->lock);
-- fscache_stat(&fscache_n_object_dead);
-+ fscache_stat_unchecked(&fscache_n_object_dead);
- goto terminal_transit;
-
- /* complain about the object being woken up once it is
-@@ -461,7 +461,7 @@ static void fscache_lookup_object(struct fscache_object *object)
- parent->cookie->def->name, cookie->def->name,
- object->cache->tag->name);
-
-- fscache_stat(&fscache_n_object_lookups);
-+ fscache_stat_unchecked(&fscache_n_object_lookups);
- fscache_stat(&fscache_n_cop_lookup_object);
- ret = object->cache->ops->lookup_object(object);
- fscache_stat_d(&fscache_n_cop_lookup_object);
-@@ -472,7 +472,7 @@ static void fscache_lookup_object(struct fscache_object *object)
- if (ret == -ETIMEDOUT) {
- /* probably stuck behind another object, so move this one to
- * the back of the queue */
-- fscache_stat(&fscache_n_object_lookups_timed_out);
-+ fscache_stat_unchecked(&fscache_n_object_lookups_timed_out);
- set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events);
- }
-
-@@ -495,7 +495,7 @@ void fscache_object_lookup_negative(struct fscache_object *object)
-
- spin_lock(&object->lock);
- if (object->state == FSCACHE_OBJECT_LOOKING_UP) {
-- fscache_stat(&fscache_n_object_lookups_negative);
-+ fscache_stat_unchecked(&fscache_n_object_lookups_negative);
-
- /* transit here to allow write requests to begin stacking up
- * and read requests to begin returning ENODATA */
-@@ -541,7 +541,7 @@ void fscache_obtained_object(struct fscache_object *object)
- * result, in which case there may be data available */
- spin_lock(&object->lock);
- if (object->state == FSCACHE_OBJECT_LOOKING_UP) {
-- fscache_stat(&fscache_n_object_lookups_positive);
-+ fscache_stat_unchecked(&fscache_n_object_lookups_positive);
-
- clear_bit(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags);
-
-@@ -555,7 +555,7 @@ void fscache_obtained_object(struct fscache_object *object)
- set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events);
- } else {
- ASSERTCMP(object->state, ==, FSCACHE_OBJECT_CREATING);
-- fscache_stat(&fscache_n_object_created);
-+ fscache_stat_unchecked(&fscache_n_object_created);
-
- object->state = FSCACHE_OBJECT_AVAILABLE;
- spin_unlock(&object->lock);
-@@ -602,7 +602,7 @@ static void fscache_object_available(struct fscache_object *object)
- fscache_enqueue_dependents(object);
-
- fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif);
-- fscache_stat(&fscache_n_object_avail);
-+ fscache_stat_unchecked(&fscache_n_object_avail);
-
- _leave("");
- }
-@@ -861,7 +861,7 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
- enum fscache_checkaux result;
-
- if (!object->cookie->def->check_aux) {
-- fscache_stat(&fscache_n_checkaux_none);
-+ fscache_stat_unchecked(&fscache_n_checkaux_none);
- return FSCACHE_CHECKAUX_OKAY;
- }
-
-@@ -870,17 +870,17 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
- switch (result) {
- /* entry okay as is */
- case FSCACHE_CHECKAUX_OKAY:
-- fscache_stat(&fscache_n_checkaux_okay);
-+ fscache_stat_unchecked(&fscache_n_checkaux_okay);
- break;
-
- /* entry requires update */
- case FSCACHE_CHECKAUX_NEEDS_UPDATE:
-- fscache_stat(&fscache_n_checkaux_update);
-+ fscache_stat_unchecked(&fscache_n_checkaux_update);
- break;
-
- /* entry requires deletion */
- case FSCACHE_CHECKAUX_OBSOLETE:
-- fscache_stat(&fscache_n_checkaux_obsolete);
-+ fscache_stat_unchecked(&fscache_n_checkaux_obsolete);
- break;
-
- default:
-diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
-index 30afdfa..2256596 100644
---- a/fs/fscache/operation.c
-+++ b/fs/fscache/operation.c
-@@ -17,7 +17,7 @@
- #include <linux/slab.h>
- #include "internal.h"
-
--atomic_t fscache_op_debug_id;
-+atomic_unchecked_t fscache_op_debug_id;
- EXPORT_SYMBOL(fscache_op_debug_id);
-
- /**
-@@ -38,7 +38,7 @@ void fscache_enqueue_operation(struct fscache_operation *op)
- ASSERTCMP(op->object->state, >=, FSCACHE_OBJECT_AVAILABLE);
- ASSERTCMP(atomic_read(&op->usage), >, 0);
-
-- fscache_stat(&fscache_n_op_enqueue);
-+ fscache_stat_unchecked(&fscache_n_op_enqueue);
- switch (op->flags & FSCACHE_OP_TYPE) {
- case FSCACHE_OP_ASYNC:
- _debug("queue async");
-@@ -69,7 +69,7 @@ static void fscache_run_op(struct fscache_object *object,
- wake_up_bit(&op->flags, FSCACHE_OP_WAITING);
- if (op->processor)
- fscache_enqueue_operation(op);
-- fscache_stat(&fscache_n_op_run);
-+ fscache_stat_unchecked(&fscache_n_op_run);
- }
-
- /*
-@@ -98,11 +98,11 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
- if (object->n_ops > 1) {
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- } else if (!list_empty(&object->pending_ops)) {
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- fscache_start_operations(object);
- } else {
- ASSERTCMP(object->n_in_progress, ==, 0);
-@@ -118,7 +118,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
- object->n_exclusive++; /* reads and writes must wait */
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- ret = 0;
- } else {
- /* not allowed to submit ops in any other state */
-@@ -203,11 +203,11 @@ int fscache_submit_op(struct fscache_object *object,
- if (object->n_exclusive > 0) {
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- } else if (!list_empty(&object->pending_ops)) {
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- fscache_start_operations(object);
- } else {
- ASSERTCMP(object->n_exclusive, ==, 0);
-@@ -219,12 +219,12 @@ int fscache_submit_op(struct fscache_object *object,
- object->n_ops++;
- atomic_inc(&op->usage);
- list_add_tail(&op->pend_link, &object->pending_ops);
-- fscache_stat(&fscache_n_op_pend);
-+ fscache_stat_unchecked(&fscache_n_op_pend);
- ret = 0;
- } else if (object->state == FSCACHE_OBJECT_DYING ||
- object->state == FSCACHE_OBJECT_LC_DYING ||
- object->state == FSCACHE_OBJECT_WITHDRAWING) {
-- fscache_stat(&fscache_n_op_rejected);
-+ fscache_stat_unchecked(&fscache_n_op_rejected);
- ret = -ENOBUFS;
- } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) {
- fscache_report_unexpected_submission(object, op, ostate);
-@@ -294,7 +294,7 @@ int fscache_cancel_op(struct fscache_operation *op)
-
- ret = -EBUSY;
- if (!list_empty(&op->pend_link)) {
-- fscache_stat(&fscache_n_op_cancelled);
-+ fscache_stat_unchecked(&fscache_n_op_cancelled);
- list_del_init(&op->pend_link);
- object->n_ops--;
- if (test_bit(FSCACHE_OP_EXCLUSIVE, &op->flags))
-@@ -331,7 +331,7 @@ void fscache_put_operation(struct fscache_operation *op)
- if (test_and_set_bit(FSCACHE_OP_DEAD, &op->flags))
- BUG();
-
-- fscache_stat(&fscache_n_op_release);
-+ fscache_stat_unchecked(&fscache_n_op_release);
-
- if (op->release) {
- op->release(op);
-@@ -348,7 +348,7 @@ void fscache_put_operation(struct fscache_operation *op)
- * lock, and defer it otherwise */
- if (!spin_trylock(&object->lock)) {
- _debug("defer put");
-- fscache_stat(&fscache_n_op_deferred_release);
-+ fscache_stat_unchecked(&fscache_n_op_deferred_release);
-
- cache = object->cache;
- spin_lock(&cache->op_gc_list_lock);
-@@ -410,7 +410,7 @@ void fscache_operation_gc(struct work_struct *work)
-
- _debug("GC DEFERRED REL OBJ%x OP%x",
- object->debug_id, op->debug_id);
-- fscache_stat(&fscache_n_op_gc);
-+ fscache_stat_unchecked(&fscache_n_op_gc);
-
- ASSERTCMP(atomic_read(&op->usage), ==, 0);
-
-diff --git a/fs/fscache/page.c b/fs/fscache/page.c
-index 3f7a59b..cf196cc 100644
---- a/fs/fscache/page.c
-+++ b/fs/fscache/page.c
-@@ -60,7 +60,7 @@ bool __fscache_maybe_release_page(struct fscache_cookie *cookie,
- val = radix_tree_lookup(&cookie->stores, page->index);
- if (!val) {
- rcu_read_unlock();
-- fscache_stat(&fscache_n_store_vmscan_not_storing);
-+ fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing);
- __fscache_uncache_page(cookie, page);
- return true;
- }
-@@ -90,11 +90,11 @@ bool __fscache_maybe_release_page(struct fscache_cookie *cookie,
- spin_unlock(&cookie->stores_lock);
-
- if (xpage) {
-- fscache_stat(&fscache_n_store_vmscan_cancelled);
-- fscache_stat(&fscache_n_store_radix_deletes);
-+ fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled);
-+ fscache_stat_unchecked(&fscache_n_store_radix_deletes);
- ASSERTCMP(xpage, ==, page);
- } else {
-- fscache_stat(&fscache_n_store_vmscan_gone);
-+ fscache_stat_unchecked(&fscache_n_store_vmscan_gone);
- }
-
- wake_up_bit(&cookie->flags, 0);
-@@ -107,7 +107,7 @@ page_busy:
- /* we might want to wait here, but that could deadlock the allocator as
- * the work threads writing to the cache may all end up sleeping
- * on memory allocation */
-- fscache_stat(&fscache_n_store_vmscan_busy);
-+ fscache_stat_unchecked(&fscache_n_store_vmscan_busy);
- return false;
- }
- EXPORT_SYMBOL(__fscache_maybe_release_page);
-@@ -131,7 +131,7 @@ static void fscache_end_page_write(struct fscache_object *object,
- FSCACHE_COOKIE_STORING_TAG);
- if (!radix_tree_tag_get(&cookie->stores, page->index,
- FSCACHE_COOKIE_PENDING_TAG)) {
-- fscache_stat(&fscache_n_store_radix_deletes);
-+ fscache_stat_unchecked(&fscache_n_store_radix_deletes);
- xpage = radix_tree_delete(&cookie->stores, page->index);
- }
- spin_unlock(&cookie->stores_lock);
-@@ -152,7 +152,7 @@ static void fscache_attr_changed_op(struct fscache_operation *op)
-
- _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id);
-
-- fscache_stat(&fscache_n_attr_changed_calls);
-+ fscache_stat_unchecked(&fscache_n_attr_changed_calls);
-
- if (fscache_object_is_active(object)) {
- fscache_stat(&fscache_n_cop_attr_changed);
-@@ -177,11 +177,11 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
-
- ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
-
-- fscache_stat(&fscache_n_attr_changed);
-+ fscache_stat_unchecked(&fscache_n_attr_changed);
-
- op = kzalloc(sizeof(*op), GFP_KERNEL);
- if (!op) {
-- fscache_stat(&fscache_n_attr_changed_nomem);
-+ fscache_stat_unchecked(&fscache_n_attr_changed_nomem);
- _leave(" = -ENOMEM");
- return -ENOMEM;
- }
-@@ -199,7 +199,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
- if (fscache_submit_exclusive_op(object, op) < 0)
- goto nobufs;
- spin_unlock(&cookie->lock);
-- fscache_stat(&fscache_n_attr_changed_ok);
-+ fscache_stat_unchecked(&fscache_n_attr_changed_ok);
- fscache_put_operation(op);
- _leave(" = 0");
- return 0;
-@@ -207,7 +207,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
- nobufs:
- spin_unlock(&cookie->lock);
- kfree(op);
-- fscache_stat(&fscache_n_attr_changed_nobufs);
-+ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs);
- _leave(" = %d", -ENOBUFS);
- return -ENOBUFS;
- }
-@@ -243,7 +243,7 @@ static struct fscache_retrieval *fscache_alloc_retrieval(
- /* allocate a retrieval operation and attempt to submit it */
- op = kzalloc(sizeof(*op), GFP_NOIO);
- if (!op) {
-- fscache_stat(&fscache_n_retrievals_nomem);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
- return NULL;
- }
-
-@@ -271,13 +271,13 @@ static int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie)
- return 0;
- }
-
-- fscache_stat(&fscache_n_retrievals_wait);
-+ fscache_stat_unchecked(&fscache_n_retrievals_wait);
-
- jif = jiffies;
- if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP,
- fscache_wait_bit_interruptible,
- TASK_INTERRUPTIBLE) != 0) {
-- fscache_stat(&fscache_n_retrievals_intr);
-+ fscache_stat_unchecked(&fscache_n_retrievals_intr);
- _leave(" = -ERESTARTSYS");
- return -ERESTARTSYS;
- }
-@@ -295,8 +295,8 @@ static int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie)
- */
- static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
- struct fscache_retrieval *op,
-- atomic_t *stat_op_waits,
-- atomic_t *stat_object_dead)
-+ atomic_unchecked_t *stat_op_waits,
-+ atomic_unchecked_t *stat_object_dead)
- {
- int ret;
-
-@@ -304,7 +304,7 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
- goto check_if_dead;
-
- _debug(">>> WT");
-- fscache_stat(stat_op_waits);
-+ fscache_stat_unchecked(stat_op_waits);
- if (wait_on_bit(&op->op.flags, FSCACHE_OP_WAITING,
- fscache_wait_bit_interruptible,
- TASK_INTERRUPTIBLE) < 0) {
-@@ -321,7 +321,7 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
-
- check_if_dead:
- if (unlikely(fscache_object_is_dead(object))) {
-- fscache_stat(stat_object_dead);
-+ fscache_stat_unchecked(stat_object_dead);
- return -ENOBUFS;
- }
- return 0;
-@@ -348,7 +348,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
-
- _enter("%p,%p,,,", cookie, page);
-
-- fscache_stat(&fscache_n_retrievals);
-+ fscache_stat_unchecked(&fscache_n_retrievals);
-
- if (hlist_empty(&cookie->backing_objects))
- goto nobufs;
-@@ -381,7 +381,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
- goto nobufs_unlock;
- spin_unlock(&cookie->lock);
-
-- fscache_stat(&fscache_n_retrieval_ops);
-+ fscache_stat_unchecked(&fscache_n_retrieval_ops);
-
- /* pin the netfs read context in case we need to do the actual netfs
- * read because we've encountered a cache read failure */
-@@ -411,15 +411,15 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
-
- error:
- if (ret == -ENOMEM)
-- fscache_stat(&fscache_n_retrievals_nomem);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
- else if (ret == -ERESTARTSYS)
-- fscache_stat(&fscache_n_retrievals_intr);
-+ fscache_stat_unchecked(&fscache_n_retrievals_intr);
- else if (ret == -ENODATA)
-- fscache_stat(&fscache_n_retrievals_nodata);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nodata);
- else if (ret < 0)
-- fscache_stat(&fscache_n_retrievals_nobufs);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
- else
-- fscache_stat(&fscache_n_retrievals_ok);
-+ fscache_stat_unchecked(&fscache_n_retrievals_ok);
-
- fscache_put_retrieval(op);
- _leave(" = %d", ret);
-@@ -429,7 +429,7 @@ nobufs_unlock:
- spin_unlock(&cookie->lock);
- kfree(op);
- nobufs:
-- fscache_stat(&fscache_n_retrievals_nobufs);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
- _leave(" = -ENOBUFS");
- return -ENOBUFS;
- }
-@@ -467,7 +467,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
-
- _enter("%p,,%d,,,", cookie, *nr_pages);
-
-- fscache_stat(&fscache_n_retrievals);
-+ fscache_stat_unchecked(&fscache_n_retrievals);
-
- if (hlist_empty(&cookie->backing_objects))
- goto nobufs;
-@@ -497,7 +497,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
- goto nobufs_unlock;
- spin_unlock(&cookie->lock);
-
-- fscache_stat(&fscache_n_retrieval_ops);
-+ fscache_stat_unchecked(&fscache_n_retrieval_ops);
-
- /* pin the netfs read context in case we need to do the actual netfs
- * read because we've encountered a cache read failure */
-@@ -527,15 +527,15 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
-
- error:
- if (ret == -ENOMEM)
-- fscache_stat(&fscache_n_retrievals_nomem);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
- else if (ret == -ERESTARTSYS)
-- fscache_stat(&fscache_n_retrievals_intr);
-+ fscache_stat_unchecked(&fscache_n_retrievals_intr);
- else if (ret == -ENODATA)
-- fscache_stat(&fscache_n_retrievals_nodata);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nodata);
- else if (ret < 0)
-- fscache_stat(&fscache_n_retrievals_nobufs);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
- else
-- fscache_stat(&fscache_n_retrievals_ok);
-+ fscache_stat_unchecked(&fscache_n_retrievals_ok);
-
- fscache_put_retrieval(op);
- _leave(" = %d", ret);
-@@ -545,7 +545,7 @@ nobufs_unlock:
- spin_unlock(&cookie->lock);
- kfree(op);
- nobufs:
-- fscache_stat(&fscache_n_retrievals_nobufs);
-+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
- _leave(" = -ENOBUFS");
- return -ENOBUFS;
- }
-@@ -569,7 +569,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
-
- _enter("%p,%p,,,", cookie, page);
-
-- fscache_stat(&fscache_n_allocs);
-+ fscache_stat_unchecked(&fscache_n_allocs);
-
- if (hlist_empty(&cookie->backing_objects))
- goto nobufs;
-@@ -595,7 +595,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
- goto nobufs_unlock;
- spin_unlock(&cookie->lock);
-
-- fscache_stat(&fscache_n_alloc_ops);
-+ fscache_stat_unchecked(&fscache_n_alloc_ops);
-
- ret = fscache_wait_for_retrieval_activation(
- object, op,
-@@ -611,11 +611,11 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
-
- error:
- if (ret == -ERESTARTSYS)
-- fscache_stat(&fscache_n_allocs_intr);
-+ fscache_stat_unchecked(&fscache_n_allocs_intr);
- else if (ret < 0)
-- fscache_stat(&fscache_n_allocs_nobufs);
-+ fscache_stat_unchecked(&fscache_n_allocs_nobufs);
- else
-- fscache_stat(&fscache_n_allocs_ok);
-+ fscache_stat_unchecked(&fscache_n_allocs_ok);
-
- fscache_put_retrieval(op);
- _leave(" = %d", ret);
-@@ -625,7 +625,7 @@ nobufs_unlock:
- spin_unlock(&cookie->lock);
- kfree(op);
- nobufs:
-- fscache_stat(&fscache_n_allocs_nobufs);
-+ fscache_stat_unchecked(&fscache_n_allocs_nobufs);
- _leave(" = -ENOBUFS");
- return -ENOBUFS;
- }
-@@ -666,7 +666,7 @@ static void fscache_write_op(struct fscache_operation *_op)
-
- spin_lock(&cookie->stores_lock);
-
-- fscache_stat(&fscache_n_store_calls);
-+ fscache_stat_unchecked(&fscache_n_store_calls);
-
- /* find a page to store */
- page = NULL;
-@@ -677,7 +677,7 @@ static void fscache_write_op(struct fscache_operation *_op)
- page = results[0];
- _debug("gang %d [%lx]", n, page->index);
- if (page->index > op->store_limit) {
-- fscache_stat(&fscache_n_store_pages_over_limit);
-+ fscache_stat_unchecked(&fscache_n_store_pages_over_limit);
- goto superseded;
- }
-
-@@ -689,7 +689,7 @@ static void fscache_write_op(struct fscache_operation *_op)
- spin_unlock(&cookie->stores_lock);
- spin_unlock(&object->lock);
-
-- fscache_stat(&fscache_n_store_pages);
-+ fscache_stat_unchecked(&fscache_n_store_pages);
- fscache_stat(&fscache_n_cop_write_page);
- ret = object->cache->ops->write_page(op, page);
- fscache_stat_d(&fscache_n_cop_write_page);
-@@ -757,7 +757,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
- ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
- ASSERT(PageFsCache(page));
-
-- fscache_stat(&fscache_n_stores);
-+ fscache_stat_unchecked(&fscache_n_stores);
-
- op = kzalloc(sizeof(*op), GFP_NOIO);
- if (!op)
-@@ -808,7 +808,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
- spin_unlock(&cookie->stores_lock);
- spin_unlock(&object->lock);
-
-- op->op.debug_id = atomic_inc_return(&fscache_op_debug_id);
-+ op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
- op->store_limit = object->store_limit;
-
- if (fscache_submit_op(object, &op->op) < 0)
-@@ -816,8 +816,8 @@ int __fscache_write_page(struct fscache_cookie *cookie,
-
- spin_unlock(&cookie->lock);
- radix_tree_preload_end();
-- fscache_stat(&fscache_n_store_ops);
-- fscache_stat(&fscache_n_stores_ok);
-+ fscache_stat_unchecked(&fscache_n_store_ops);
-+ fscache_stat_unchecked(&fscache_n_stores_ok);
-
- /* the work queue now carries its own ref on the object */
- fscache_put_operation(&op->op);
-@@ -825,14 +825,14 @@ int __fscache_write_page(struct fscache_cookie *cookie,
- return 0;
-
- already_queued:
-- fscache_stat(&fscache_n_stores_again);
-+ fscache_stat_unchecked(&fscache_n_stores_again);
- already_pending:
- spin_unlock(&cookie->stores_lock);
- spin_unlock(&object->lock);
- spin_unlock(&cookie->lock);
- radix_tree_preload_end();
- kfree(op);
-- fscache_stat(&fscache_n_stores_ok);
-+ fscache_stat_unchecked(&fscache_n_stores_ok);
- _leave(" = 0");
- return 0;
-
-@@ -851,14 +851,14 @@ nobufs:
- spin_unlock(&cookie->lock);
- radix_tree_preload_end();
- kfree(op);
-- fscache_stat(&fscache_n_stores_nobufs);
-+ fscache_stat_unchecked(&fscache_n_stores_nobufs);
- _leave(" = -ENOBUFS");
- return -ENOBUFS;
-
- nomem_free:
- kfree(op);
- nomem:
-- fscache_stat(&fscache_n_stores_oom);
-+ fscache_stat_unchecked(&fscache_n_stores_oom);
- _leave(" = -ENOMEM");
- return -ENOMEM;
- }
-@@ -876,7 +876,7 @@ void __fscache_uncache_page(struct fscache_cookie *cookie, struct page *page)
- ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
- ASSERTCMP(page, !=, NULL);
-
-- fscache_stat(&fscache_n_uncaches);
-+ fscache_stat_unchecked(&fscache_n_uncaches);
-
- /* cache withdrawal may beat us to it */
- if (!PageFsCache(page))
-@@ -929,7 +929,7 @@ void fscache_mark_pages_cached(struct fscache_retrieval *op,
- unsigned long loop;
-
- #ifdef CONFIG_FSCACHE_STATS
-- atomic_add(pagevec->nr, &fscache_n_marks);
-+ atomic_add_unchecked(pagevec->nr, &fscache_n_marks);
- #endif
-
- for (loop = 0; loop < pagevec->nr; loop++) {
-diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
-index 4765190..2a067f2 100644
---- a/fs/fscache/stats.c
-+++ b/fs/fscache/stats.c
-@@ -18,95 +18,95 @@
- /*
- * operation counters
- */
--atomic_t fscache_n_op_pend;
--atomic_t fscache_n_op_run;
--atomic_t fscache_n_op_enqueue;
--atomic_t fscache_n_op_requeue;
--atomic_t fscache_n_op_deferred_release;
--atomic_t fscache_n_op_release;
--atomic_t fscache_n_op_gc;
--atomic_t fscache_n_op_cancelled;
--atomic_t fscache_n_op_rejected;
-+atomic_unchecked_t fscache_n_op_pend;
-+atomic_unchecked_t fscache_n_op_run;
-+atomic_unchecked_t fscache_n_op_enqueue;
-+atomic_unchecked_t fscache_n_op_requeue;
-+atomic_unchecked_t fscache_n_op_deferred_release;
-+atomic_unchecked_t fscache_n_op_release;
-+atomic_unchecked_t fscache_n_op_gc;
-+atomic_unchecked_t fscache_n_op_cancelled;
-+atomic_unchecked_t fscache_n_op_rejected;
-
--atomic_t fscache_n_attr_changed;
--atomic_t fscache_n_attr_changed_ok;
--atomic_t fscache_n_attr_changed_nobufs;
--atomic_t fscache_n_attr_changed_nomem;
--atomic_t fscache_n_attr_changed_calls;
-+atomic_unchecked_t fscache_n_attr_changed;
-+atomic_unchecked_t fscache_n_attr_changed_ok;
-+atomic_unchecked_t fscache_n_attr_changed_nobufs;
-+atomic_unchecked_t fscache_n_attr_changed_nomem;
-+atomic_unchecked_t fscache_n_attr_changed_calls;
-
--atomic_t fscache_n_allocs;
--atomic_t fscache_n_allocs_ok;
--atomic_t fscache_n_allocs_wait;
--atomic_t fscache_n_allocs_nobufs;
--atomic_t fscache_n_allocs_intr;
--atomic_t fscache_n_allocs_object_dead;
--atomic_t fscache_n_alloc_ops;
--atomic_t fscache_n_alloc_op_waits;
-+atomic_unchecked_t fscache_n_allocs;
-+atomic_unchecked_t fscache_n_allocs_ok;
-+atomic_unchecked_t fscache_n_allocs_wait;
-+atomic_unchecked_t fscache_n_allocs_nobufs;
-+atomic_unchecked_t fscache_n_allocs_intr;
-+atomic_unchecked_t fscache_n_allocs_object_dead;
-+atomic_unchecked_t fscache_n_alloc_ops;
-+atomic_unchecked_t fscache_n_alloc_op_waits;
-
--atomic_t fscache_n_retrievals;
--atomic_t fscache_n_retrievals_ok;
--atomic_t fscache_n_retrievals_wait;
--atomic_t fscache_n_retrievals_nodata;
--atomic_t fscache_n_retrievals_nobufs;
--atomic_t fscache_n_retrievals_intr;
--atomic_t fscache_n_retrievals_nomem;
--atomic_t fscache_n_retrievals_object_dead;
--atomic_t fscache_n_retrieval_ops;
--atomic_t fscache_n_retrieval_op_waits;
-+atomic_unchecked_t fscache_n_retrievals;
-+atomic_unchecked_t fscache_n_retrievals_ok;
-+atomic_unchecked_t fscache_n_retrievals_wait;
-+atomic_unchecked_t fscache_n_retrievals_nodata;
-+atomic_unchecked_t fscache_n_retrievals_nobufs;
-+atomic_unchecked_t fscache_n_retrievals_intr;
-+atomic_unchecked_t fscache_n_retrievals_nomem;
-+atomic_unchecked_t fscache_n_retrievals_object_dead;
-+atomic_unchecked_t fscache_n_retrieval_ops;
-+atomic_unchecked_t fscache_n_retrieval_op_waits;
-
--atomic_t fscache_n_stores;
--atomic_t fscache_n_stores_ok;
--atomic_t fscache_n_stores_again;
--atomic_t fscache_n_stores_nobufs;
--atomic_t fscache_n_stores_oom;
--atomic_t fscache_n_store_ops;
--atomic_t fscache_n_store_calls;
--atomic_t fscache_n_store_pages;
--atomic_t fscache_n_store_radix_deletes;
--atomic_t fscache_n_store_pages_over_limit;
-+atomic_unchecked_t fscache_n_stores;
-+atomic_unchecked_t fscache_n_stores_ok;
-+atomic_unchecked_t fscache_n_stores_again;
-+atomic_unchecked_t fscache_n_stores_nobufs;
-+atomic_unchecked_t fscache_n_stores_oom;
-+atomic_unchecked_t fscache_n_store_ops;
-+atomic_unchecked_t fscache_n_store_calls;
-+atomic_unchecked_t fscache_n_store_pages;
-+atomic_unchecked_t fscache_n_store_radix_deletes;
-+atomic_unchecked_t fscache_n_store_pages_over_limit;
-
--atomic_t fscache_n_store_vmscan_not_storing;
--atomic_t fscache_n_store_vmscan_gone;
--atomic_t fscache_n_store_vmscan_busy;
--atomic_t fscache_n_store_vmscan_cancelled;
-+atomic_unchecked_t fscache_n_store_vmscan_not_storing;
-+atomic_unchecked_t fscache_n_store_vmscan_gone;
-+atomic_unchecked_t fscache_n_store_vmscan_busy;
-+atomic_unchecked_t fscache_n_store_vmscan_cancelled;
-
--atomic_t fscache_n_marks;
--atomic_t fscache_n_uncaches;
-+atomic_unchecked_t fscache_n_marks;
-+atomic_unchecked_t fscache_n_uncaches;
-
--atomic_t fscache_n_acquires;
--atomic_t fscache_n_acquires_null;
--atomic_t fscache_n_acquires_no_cache;
--atomic_t fscache_n_acquires_ok;
--atomic_t fscache_n_acquires_nobufs;
--atomic_t fscache_n_acquires_oom;
-+atomic_unchecked_t fscache_n_acquires;
-+atomic_unchecked_t fscache_n_acquires_null;
-+atomic_unchecked_t fscache_n_acquires_no_cache;
-+atomic_unchecked_t fscache_n_acquires_ok;
-+atomic_unchecked_t fscache_n_acquires_nobufs;
-+atomic_unchecked_t fscache_n_acquires_oom;
-
--atomic_t fscache_n_updates;
--atomic_t fscache_n_updates_null;
--atomic_t fscache_n_updates_run;
-+atomic_unchecked_t fscache_n_updates;
-+atomic_unchecked_t fscache_n_updates_null;
-+atomic_unchecked_t fscache_n_updates_run;
-
--atomic_t fscache_n_relinquishes;
--atomic_t fscache_n_relinquishes_null;
--atomic_t fscache_n_relinquishes_waitcrt;
--atomic_t fscache_n_relinquishes_retire;
-+atomic_unchecked_t fscache_n_relinquishes;
-+atomic_unchecked_t fscache_n_relinquishes_null;
-+atomic_unchecked_t fscache_n_relinquishes_waitcrt;
-+atomic_unchecked_t fscache_n_relinquishes_retire;
-
--atomic_t fscache_n_cookie_index;
--atomic_t fscache_n_cookie_data;
--atomic_t fscache_n_cookie_special;
-+atomic_unchecked_t fscache_n_cookie_index;
-+atomic_unchecked_t fscache_n_cookie_data;
-+atomic_unchecked_t fscache_n_cookie_special;
-
--atomic_t fscache_n_object_alloc;
--atomic_t fscache_n_object_no_alloc;
--atomic_t fscache_n_object_lookups;
--atomic_t fscache_n_object_lookups_negative;
--atomic_t fscache_n_object_lookups_positive;
--atomic_t fscache_n_object_lookups_timed_out;
--atomic_t fscache_n_object_created;
--atomic_t fscache_n_object_avail;
--atomic_t fscache_n_object_dead;
-+atomic_unchecked_t fscache_n_object_alloc;
-+atomic_unchecked_t fscache_n_object_no_alloc;
-+atomic_unchecked_t fscache_n_object_lookups;
-+atomic_unchecked_t fscache_n_object_lookups_negative;
-+atomic_unchecked_t fscache_n_object_lookups_positive;
-+atomic_unchecked_t fscache_n_object_lookups_timed_out;
-+atomic_unchecked_t fscache_n_object_created;
-+atomic_unchecked_t fscache_n_object_avail;
-+atomic_unchecked_t fscache_n_object_dead;
-
--atomic_t fscache_n_checkaux_none;
--atomic_t fscache_n_checkaux_okay;
--atomic_t fscache_n_checkaux_update;
--atomic_t fscache_n_checkaux_obsolete;
-+atomic_unchecked_t fscache_n_checkaux_none;
-+atomic_unchecked_t fscache_n_checkaux_okay;
-+atomic_unchecked_t fscache_n_checkaux_update;
-+atomic_unchecked_t fscache_n_checkaux_obsolete;
-
- atomic_t fscache_n_cop_alloc_object;
- atomic_t fscache_n_cop_lookup_object;
-@@ -133,113 +133,113 @@ static int fscache_stats_show(struct seq_file *m, void *v)
- seq_puts(m, "FS-Cache statistics\n");
-
- seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n",
-- atomic_read(&fscache_n_cookie_index),
-- atomic_read(&fscache_n_cookie_data),
-- atomic_read(&fscache_n_cookie_special));
-+ atomic_read_unchecked(&fscache_n_cookie_index),
-+ atomic_read_unchecked(&fscache_n_cookie_data),
-+ atomic_read_unchecked(&fscache_n_cookie_special));
-
- seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n",
-- atomic_read(&fscache_n_object_alloc),
-- atomic_read(&fscache_n_object_no_alloc),
-- atomic_read(&fscache_n_object_avail),
-- atomic_read(&fscache_n_object_dead));
-+ atomic_read_unchecked(&fscache_n_object_alloc),
-+ atomic_read_unchecked(&fscache_n_object_no_alloc),
-+ atomic_read_unchecked(&fscache_n_object_avail),
-+ atomic_read_unchecked(&fscache_n_object_dead));
- seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n",
-- atomic_read(&fscache_n_checkaux_none),
-- atomic_read(&fscache_n_checkaux_okay),
-- atomic_read(&fscache_n_checkaux_update),
-- atomic_read(&fscache_n_checkaux_obsolete));
-+ atomic_read_unchecked(&fscache_n_checkaux_none),
-+ atomic_read_unchecked(&fscache_n_checkaux_okay),
-+ atomic_read_unchecked(&fscache_n_checkaux_update),
-+ atomic_read_unchecked(&fscache_n_checkaux_obsolete));
-
- seq_printf(m, "Pages : mrk=%u unc=%u\n",
-- atomic_read(&fscache_n_marks),
-- atomic_read(&fscache_n_uncaches));
-+ atomic_read_unchecked(&fscache_n_marks),
-+ atomic_read_unchecked(&fscache_n_uncaches));
-
- seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
- " oom=%u\n",
-- atomic_read(&fscache_n_acquires),
-- atomic_read(&fscache_n_acquires_null),
-- atomic_read(&fscache_n_acquires_no_cache),
-- atomic_read(&fscache_n_acquires_ok),
-- atomic_read(&fscache_n_acquires_nobufs),
-- atomic_read(&fscache_n_acquires_oom));
-+ atomic_read_unchecked(&fscache_n_acquires),
-+ atomic_read_unchecked(&fscache_n_acquires_null),
-+ atomic_read_unchecked(&fscache_n_acquires_no_cache),
-+ atomic_read_unchecked(&fscache_n_acquires_ok),
-+ atomic_read_unchecked(&fscache_n_acquires_nobufs),
-+ atomic_read_unchecked(&fscache_n_acquires_oom));
-
- seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n",
-- atomic_read(&fscache_n_object_lookups),
-- atomic_read(&fscache_n_object_lookups_negative),
-- atomic_read(&fscache_n_object_lookups_positive),
-- atomic_read(&fscache_n_object_created),
-- atomic_read(&fscache_n_object_lookups_timed_out));
-+ atomic_read_unchecked(&fscache_n_object_lookups),
-+ atomic_read_unchecked(&fscache_n_object_lookups_negative),
-+ atomic_read_unchecked(&fscache_n_object_lookups_positive),
-+ atomic_read_unchecked(&fscache_n_object_created),
-+ atomic_read_unchecked(&fscache_n_object_lookups_timed_out));
-
- seq_printf(m, "Updates: n=%u nul=%u run=%u\n",
-- atomic_read(&fscache_n_updates),
-- atomic_read(&fscache_n_updates_null),
-- atomic_read(&fscache_n_updates_run));
-+ atomic_read_unchecked(&fscache_n_updates),
-+ atomic_read_unchecked(&fscache_n_updates_null),
-+ atomic_read_unchecked(&fscache_n_updates_run));
-
- seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n",
-- atomic_read(&fscache_n_relinquishes),
-- atomic_read(&fscache_n_relinquishes_null),
-- atomic_read(&fscache_n_relinquishes_waitcrt),
-- atomic_read(&fscache_n_relinquishes_retire));
-+ atomic_read_unchecked(&fscache_n_relinquishes),
-+ atomic_read_unchecked(&fscache_n_relinquishes_null),
-+ atomic_read_unchecked(&fscache_n_relinquishes_waitcrt),
-+ atomic_read_unchecked(&fscache_n_relinquishes_retire));
-
- seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n",
-- atomic_read(&fscache_n_attr_changed),
-- atomic_read(&fscache_n_attr_changed_ok),
-- atomic_read(&fscache_n_attr_changed_nobufs),
-- atomic_read(&fscache_n_attr_changed_nomem),
-- atomic_read(&fscache_n_attr_changed_calls));
-+ atomic_read_unchecked(&fscache_n_attr_changed),
-+ atomic_read_unchecked(&fscache_n_attr_changed_ok),
-+ atomic_read_unchecked(&fscache_n_attr_changed_nobufs),
-+ atomic_read_unchecked(&fscache_n_attr_changed_nomem),
-+ atomic_read_unchecked(&fscache_n_attr_changed_calls));
-
- seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n",
-- atomic_read(&fscache_n_allocs),
-- atomic_read(&fscache_n_allocs_ok),
-- atomic_read(&fscache_n_allocs_wait),
-- atomic_read(&fscache_n_allocs_nobufs),
-- atomic_read(&fscache_n_allocs_intr));
-+ atomic_read_unchecked(&fscache_n_allocs),
-+ atomic_read_unchecked(&fscache_n_allocs_ok),
-+ atomic_read_unchecked(&fscache_n_allocs_wait),
-+ atomic_read_unchecked(&fscache_n_allocs_nobufs),
-+ atomic_read_unchecked(&fscache_n_allocs_intr));
- seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n",
-- atomic_read(&fscache_n_alloc_ops),
-- atomic_read(&fscache_n_alloc_op_waits),
-- atomic_read(&fscache_n_allocs_object_dead));
-+ atomic_read_unchecked(&fscache_n_alloc_ops),
-+ atomic_read_unchecked(&fscache_n_alloc_op_waits),
-+ atomic_read_unchecked(&fscache_n_allocs_object_dead));
-
- seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u"
- " int=%u oom=%u\n",
-- atomic_read(&fscache_n_retrievals),
-- atomic_read(&fscache_n_retrievals_ok),
-- atomic_read(&fscache_n_retrievals_wait),
-- atomic_read(&fscache_n_retrievals_nodata),
-- atomic_read(&fscache_n_retrievals_nobufs),
-- atomic_read(&fscache_n_retrievals_intr),
-- atomic_read(&fscache_n_retrievals_nomem));
-+ atomic_read_unchecked(&fscache_n_retrievals),
-+ atomic_read_unchecked(&fscache_n_retrievals_ok),
-+ atomic_read_unchecked(&fscache_n_retrievals_wait),
-+ atomic_read_unchecked(&fscache_n_retrievals_nodata),
-+ atomic_read_unchecked(&fscache_n_retrievals_nobufs),
-+ atomic_read_unchecked(&fscache_n_retrievals_intr),
-+ atomic_read_unchecked(&fscache_n_retrievals_nomem));
- seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n",
-- atomic_read(&fscache_n_retrieval_ops),
-- atomic_read(&fscache_n_retrieval_op_waits),
-- atomic_read(&fscache_n_retrievals_object_dead));
-+ atomic_read_unchecked(&fscache_n_retrieval_ops),
-+ atomic_read_unchecked(&fscache_n_retrieval_op_waits),
-+ atomic_read_unchecked(&fscache_n_retrievals_object_dead));
-
- seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n",
-- atomic_read(&fscache_n_stores),
-- atomic_read(&fscache_n_stores_ok),
-- atomic_read(&fscache_n_stores_again),
-- atomic_read(&fscache_n_stores_nobufs),
-- atomic_read(&fscache_n_stores_oom));
-+ atomic_read_unchecked(&fscache_n_stores),
-+ atomic_read_unchecked(&fscache_n_stores_ok),
-+ atomic_read_unchecked(&fscache_n_stores_again),
-+ atomic_read_unchecked(&fscache_n_stores_nobufs),
-+ atomic_read_unchecked(&fscache_n_stores_oom));
- seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n",
-- atomic_read(&fscache_n_store_ops),
-- atomic_read(&fscache_n_store_calls),
-- atomic_read(&fscache_n_store_pages),
-- atomic_read(&fscache_n_store_radix_deletes),
-- atomic_read(&fscache_n_store_pages_over_limit));
-+ atomic_read_unchecked(&fscache_n_store_ops),
-+ atomic_read_unchecked(&fscache_n_store_calls),
-+ atomic_read_unchecked(&fscache_n_store_pages),
-+ atomic_read_unchecked(&fscache_n_store_radix_deletes),
-+ atomic_read_unchecked(&fscache_n_store_pages_over_limit));
-
- seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u\n",
-- atomic_read(&fscache_n_store_vmscan_not_storing),
-- atomic_read(&fscache_n_store_vmscan_gone),
-- atomic_read(&fscache_n_store_vmscan_busy),
-- atomic_read(&fscache_n_store_vmscan_cancelled));
-+ atomic_read_unchecked(&fscache_n_store_vmscan_not_storing),
-+ atomic_read_unchecked(&fscache_n_store_vmscan_gone),
-+ atomic_read_unchecked(&fscache_n_store_vmscan_busy),
-+ atomic_read_unchecked(&fscache_n_store_vmscan_cancelled));
-
- seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n",
-- atomic_read(&fscache_n_op_pend),
-- atomic_read(&fscache_n_op_run),
-- atomic_read(&fscache_n_op_enqueue),
-- atomic_read(&fscache_n_op_cancelled),
-- atomic_read(&fscache_n_op_rejected));
-+ atomic_read_unchecked(&fscache_n_op_pend),
-+ atomic_read_unchecked(&fscache_n_op_run),
-+ atomic_read_unchecked(&fscache_n_op_enqueue),
-+ atomic_read_unchecked(&fscache_n_op_cancelled),
-+ atomic_read_unchecked(&fscache_n_op_rejected));
- seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n",
-- atomic_read(&fscache_n_op_deferred_release),
-- atomic_read(&fscache_n_op_release),
-- atomic_read(&fscache_n_op_gc));
-+ atomic_read_unchecked(&fscache_n_op_deferred_release),
-+ atomic_read_unchecked(&fscache_n_op_release),
-+ atomic_read_unchecked(&fscache_n_op_gc));
-
- seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n",
- atomic_read(&fscache_n_cop_alloc_object),
-diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
-index 3426521..3b75162 100644
---- a/fs/fuse/cuse.c
-+++ b/fs/fuse/cuse.c
-@@ -587,10 +587,12 @@ static int __init cuse_init(void)
- INIT_LIST_HEAD(&cuse_conntbl[i]);
-
- /* inherit and extend fuse_dev_operations */
-- cuse_channel_fops = fuse_dev_operations;
-- cuse_channel_fops.owner = THIS_MODULE;
-- cuse_channel_fops.open = cuse_channel_open;
-- cuse_channel_fops.release = cuse_channel_release;
-+ pax_open_kernel();
-+ memcpy((void *)&cuse_channel_fops, &fuse_dev_operations, sizeof(fuse_dev_operations));
-+ *(void **)&cuse_channel_fops.owner = THIS_MODULE;
-+ *(void **)&cuse_channel_fops.open = cuse_channel_open;
-+ *(void **)&cuse_channel_fops.release = cuse_channel_release;
-+ pax_close_kernel();
-
- cuse_class = class_create(THIS_MODULE, "cuse");
- if (IS_ERR(cuse_class))
-diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
-index 7df2b5e..5804aa7 100644
---- a/fs/fuse/dev.c
-+++ b/fs/fuse/dev.c
-@@ -1242,7 +1242,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
- ret = 0;
- pipe_lock(pipe);
-
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- if (!ret)
- ret = -EPIPE;
-diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
-index 334e0b1..fc571e8 100644
---- a/fs/fuse/dir.c
-+++ b/fs/fuse/dir.c
-@@ -1189,7 +1189,7 @@ static char *read_link(struct dentry *dentry)
- return link;
- }
-
--static void free_link(char *link)
-+static void free_link(const char *link)
- {
- if (!IS_ERR(link))
- free_page((unsigned long) link);
-diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
-index a9ba244..d9df391 100644
---- a/fs/gfs2/inode.c
-+++ b/fs/gfs2/inode.c
-@@ -1496,7 +1496,7 @@ out:
-
- static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
- {
-- char *s = nd_get_link(nd);
-+ const char *s = nd_get_link(nd);
- if (!IS_ERR(s))
- kfree(s);
- }
-diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
-index cc9281b..58996fb 100644
---- a/fs/hugetlbfs/inode.c
-+++ b/fs/hugetlbfs/inode.c
-@@ -920,7 +920,7 @@ static struct file_system_type hugetlbfs_fs_type = {
- .kill_sb = kill_litter_super,
- };
-
--static struct vfsmount *hugetlbfs_vfsmount;
-+struct vfsmount *hugetlbfs_vfsmount;
-
- static int can_do_hugetlb_shm(void)
- {
-diff --git a/fs/inode.c b/fs/inode.c
-index c99163b..a11ad40 100644
---- a/fs/inode.c
-+++ b/fs/inode.c
-@@ -867,8 +867,8 @@ unsigned int get_next_ino(void)
-
- #ifdef CONFIG_SMP
- if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) {
-- static atomic_t shared_last_ino;
-- int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino);
-+ static atomic_unchecked_t shared_last_ino;
-+ int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino);
-
- res = next - LAST_INO_BATCH;
- }
-diff --git a/fs/isofs/export.c b/fs/isofs/export.c
-index aa4356d..1d38044 100644
---- a/fs/isofs/export.c
-+++ b/fs/isofs/export.c
-@@ -134,6 +134,7 @@ isofs_export_encode_fh(struct inode *inode,
- len = 3;
- fh32[0] = ei->i_iget5_block;
- fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */
-+ fh16[3] = 0; /* avoid leaking uninitialized data */
- fh32[2] = inode->i_generation;
- if (parent) {
- struct iso_inode_info *eparent;
-diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
-index 4a6cf28..d3a29d3 100644
---- a/fs/jffs2/erase.c
-+++ b/fs/jffs2/erase.c
-@@ -452,7 +452,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
- struct jffs2_unknown_node marker = {
- .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK),
- .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
-- .totlen = cpu_to_je32(c->cleanmarker_size)
-+ .totlen = cpu_to_je32(c->cleanmarker_size),
-+ .hdr_crc = cpu_to_je32(0)
- };
-
- jffs2_prealloc_raw_node_refs(c, jeb, 1);
-diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
-index 6f4529d..bf12806 100644
---- a/fs/jffs2/wbuf.c
-+++ b/fs/jffs2/wbuf.c
-@@ -1023,7 +1023,8 @@ static const struct jffs2_unknown_node oob_cleanmarker =
- {
- .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK),
- .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
-- .totlen = constant_cpu_to_je32(8)
-+ .totlen = constant_cpu_to_je32(8),
-+ .hdr_crc = constant_cpu_to_je32(0)
- };
-
- /*
-diff --git a/fs/jfs/super.c b/fs/jfs/super.c
-index 4a82950..bcaa0cb 100644
---- a/fs/jfs/super.c
-+++ b/fs/jfs/super.c
-@@ -801,7 +801,7 @@ static int __init init_jfs_fs(void)
-
- jfs_inode_cachep =
- kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
-- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY,
- init_once);
- if (jfs_inode_cachep == NULL)
- return -ENOMEM;
-diff --git a/fs/libfs.c b/fs/libfs.c
-index f86ec27..4734776 100644
---- a/fs/libfs.c
-+++ b/fs/libfs.c
-@@ -165,6 +165,9 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
-
- for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
- struct dentry *next;
-+ char d_name[sizeof(next->d_iname)];
-+ const unsigned char *name;
-+
- next = list_entry(p, struct dentry, d_u.d_child);
- spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
- if (!simple_positive(next)) {
-@@ -174,7 +177,12 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
-
- spin_unlock(&next->d_lock);
- spin_unlock(&dentry->d_lock);
-- if (filldir(dirent, next->d_name.name,
-+ name = next->d_name.name;
-+ if (name == next->d_iname) {
-+ memcpy(d_name, name, next->d_name.len);
-+ name = d_name;
-+ }
-+ if (filldir(dirent, name,
- next->d_name.len, filp->f_pos,
- next->d_inode->i_ino,
- dt_type(next->d_inode)) < 0)
-diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
-index 8392cb8..80d6193 100644
---- a/fs/lockd/clntproc.c
-+++ b/fs/lockd/clntproc.c
-@@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt_cancel_ops;
- /*
- * Cookie counter for NLM requests
- */
--static atomic_t nlm_cookie = ATOMIC_INIT(0x1234);
-+static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234);
-
- void nlmclnt_next_cookie(struct nlm_cookie *c)
- {
-- u32 cookie = atomic_inc_return(&nlm_cookie);
-+ u32 cookie = atomic_inc_return_unchecked(&nlm_cookie);
-
- memcpy(c->data, &cookie, 4);
- c->len=4;
-diff --git a/fs/locks.c b/fs/locks.c
-index 82c3533..34e929c 100644
---- a/fs/locks.c
-+++ b/fs/locks.c
-@@ -2076,16 +2076,16 @@ void locks_remove_flock(struct file *filp)
- return;
-
- if (filp->f_op && filp->f_op->flock) {
-- struct file_lock fl = {
-+ struct file_lock flock = {
- .fl_pid = current->tgid,
- .fl_file = filp,
- .fl_flags = FL_FLOCK,
- .fl_type = F_UNLCK,
- .fl_end = OFFSET_MAX,
- };
-- filp->f_op->flock(filp, F_SETLKW, &fl);
-- if (fl.fl_ops && fl.fl_ops->fl_release_private)
-- fl.fl_ops->fl_release_private(&fl);
-+ filp->f_op->flock(filp, F_SETLKW, &flock);
-+ if (flock.fl_ops && flock.fl_ops->fl_release_private)
-+ flock.fl_ops->fl_release_private(&flock);
- }
-
- lock_flocks();
-diff --git a/fs/namei.c b/fs/namei.c
-index 7d69419..10c6af6 100644
---- a/fs/namei.c
-+++ b/fs/namei.c
-@@ -265,16 +265,32 @@ int generic_permission(struct inode *inode, int mask)
- if (ret != -EACCES)
- return ret;
-
-+#ifdef CONFIG_GRKERNSEC
-+ /* we'll block if we have to log due to a denied capability use */
-+ if (mask & MAY_NOT_BLOCK)
-+ return -ECHILD;
-+#endif
-+
- if (S_ISDIR(inode->i_mode)) {
- /* DACs are overridable for directories */
-- if (inode_capable(inode, CAP_DAC_OVERRIDE))
-- return 0;
- if (!(mask & MAY_WRITE))
-- if (inode_capable(inode, CAP_DAC_READ_SEARCH))
-+ if (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) ||
-+ inode_capable(inode, CAP_DAC_READ_SEARCH))
- return 0;
-+ if (inode_capable(inode, CAP_DAC_OVERRIDE))
-+ return 0;
- return -EACCES;
- }
- /*
-+ * Searching includes executable on directories, else just read.
-+ */
-+ mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
-+ if (mask == MAY_READ)
-+ if (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) ||
-+ inode_capable(inode, CAP_DAC_READ_SEARCH))
-+ return 0;
-+
-+ /*
- * Read/write DACs are always overridable.
- * Executable DACs are overridable when there is
- * at least one exec bit set.
-@@ -283,14 +299,6 @@ int generic_permission(struct inode *inode, int mask)
- if (inode_capable(inode, CAP_DAC_OVERRIDE))
- return 0;
-
-- /*
-- * Searching includes executable on directories, else just read.
-- */
-- mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
-- if (mask == MAY_READ)
-- if (inode_capable(inode, CAP_DAC_READ_SEARCH))
-- return 0;
--
- return -EACCES;
- }
-
-@@ -639,11 +647,19 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
- return error;
- }
-
-+ if (gr_handle_follow_link(dentry->d_parent->d_inode,
-+ dentry->d_inode, dentry, nd->path.mnt)) {
-+ error = -EACCES;
-+ *p = ERR_PTR(error); /* no ->put_link(), please */
-+ path_put(&nd->path);
-+ return error;
-+ }
-+
- nd->last_type = LAST_BIND;
- *p = dentry->d_inode->i_op->follow_link(dentry, nd);
- error = PTR_ERR(*p);
- if (!IS_ERR(*p)) {
-- char *s = nd_get_link(nd);
-+ const char *s = nd_get_link(nd);
- error = 0;
- if (s)
- error = __vfs_follow_link(nd, s);
-@@ -1386,6 +1402,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd)
- if (!res)
- res = walk_component(nd, path, &nd->last,
- nd->last_type, LOOKUP_FOLLOW);
-+ if (res >= 0 && gr_handle_symlink_owner(&link, nd->inode))
-+ res = -EACCES;
- put_link(nd, &link, cookie);
- } while (res > 0);
-
-@@ -1779,6 +1797,8 @@ static int path_lookupat(int dfd, const char *name,
- err = follow_link(&link, nd, &cookie);
- if (!err)
- err = lookup_last(nd, &path);
-+ if (!err && gr_handle_symlink_owner(&link, nd->inode))
-+ err = -EACCES;
- put_link(nd, &link, cookie);
- }
- }
-@@ -1786,6 +1806,21 @@ static int path_lookupat(int dfd, const char *name,
- if (!err)
- err = complete_walk(nd);
-
-+ if (!(nd->flags & LOOKUP_PARENT)) {
-+#ifdef CONFIG_GRKERNSEC
-+ if (flags & LOOKUP_RCU) {
-+ if (!err)
-+ path_put(&nd->path);
-+ err = -ECHILD;
-+ } else
-+#endif
-+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
-+ if (!err)
-+ path_put(&nd->path);
-+ err = -ENOENT;
-+ }
-+ }
-+
- if (!err && nd->flags & LOOKUP_DIRECTORY) {
- if (!nd->inode->i_op->lookup) {
- path_put(&nd->path);
-@@ -1813,6 +1848,15 @@ static int do_path_lookup(int dfd, const char *name,
- retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd);
-
- if (likely(!retval)) {
-+ if (*name != '/' && nd->path.dentry && nd->inode) {
-+#ifdef CONFIG_GRKERNSEC
-+ if (flags & LOOKUP_RCU)
-+ return -ECHILD;
-+#endif
-+ if (!gr_chroot_fchdir(nd->path.dentry, nd->path.mnt))
-+ return -ENOENT;
-+ }
-+
- if (unlikely(!audit_dummy_context())) {
- if (nd->path.dentry && nd->inode)
- audit_inode(name, nd->path.dentry);
-@@ -2155,6 +2199,13 @@ static int may_open(struct path *path, int acc_mode, int flag)
- if (flag & O_NOATIME && !inode_owner_or_capable(inode))
- return -EPERM;
-
-+ if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode))
-+ return -EPERM;
-+ if (gr_handle_rawio(inode))
-+ return -EPERM;
-+ if (!gr_acl_handle_open(dentry, path->mnt, acc_mode))
-+ return -EACCES;
-+
- return 0;
- }
-
-@@ -2190,7 +2241,7 @@ static inline int open_to_namei_flags(int flag)
- /*
- * Handle the last step of open()
- */
--static struct file *do_last(struct nameidata *nd, struct path *path,
-+static struct file *do_last(struct nameidata *nd, struct path *path, struct path *link,
- const struct open_flags *op, const char *pathname)
- {
- struct dentry *dir = nd->path.dentry;
-@@ -2220,16 +2271,44 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
- error = complete_walk(nd);
- if (error)
- return ERR_PTR(error);
-+#ifdef CONFIG_GRKERNSEC
-+ if (nd->flags & LOOKUP_RCU) {
-+ error = -ECHILD;
-+ goto exit;
-+ }
-+#endif
-+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
-+ error = -ENOENT;
-+ goto exit;
-+ }
- audit_inode(pathname, nd->path.dentry);
- if (open_flag & O_CREAT) {
- error = -EISDIR;
- goto exit;
- }
-+ if (link && gr_handle_symlink_owner(link, nd->inode)) {
-+ error = -EACCES;
-+ goto exit;
-+ }
- goto ok;
- case LAST_BIND:
- error = complete_walk(nd);
- if (error)
- return ERR_PTR(error);
-+#ifdef CONFIG_GRKERNSEC
-+ if (nd->flags & LOOKUP_RCU) {
-+ error = -ECHILD;
-+ goto exit;
-+ }
-+#endif
-+ if (!gr_acl_handle_hidden_file(dir, nd->path.mnt)) {
-+ error = -ENOENT;
-+ goto exit;
-+ }
-+ if (link && gr_handle_symlink_owner(link, nd->inode)) {
-+ error = -EACCES;
-+ goto exit;
-+ }
- audit_inode(pathname, dir);
- goto ok;
- }
-@@ -2285,6 +2364,12 @@ retry_lookup:
- /* Negative dentry, just create the file */
- if (!dentry->d_inode) {
- umode_t mode = op->mode;
-+
-+ if (!gr_acl_handle_creat(path->dentry, nd->path.dentry, path->mnt, open_flag, acc_mode, mode)) {
-+ error = -EACCES;
-+ goto exit_mutex_unlock;
-+ }
-+
- if (!IS_POSIXACL(dir->d_inode))
- mode &= ~current_umask();
- /*
-@@ -2308,6 +2393,8 @@ retry_lookup:
- error = vfs_create(dir->d_inode, dentry, mode, nd);
- if (error)
- goto exit_mutex_unlock;
-+ else
-+ gr_handle_create(path->dentry, path->mnt);
- mutex_unlock(&dir->d_inode->i_mutex);
- dput(nd->path.dentry);
- nd->path.dentry = dentry;
-@@ -2317,6 +2404,23 @@ retry_lookup:
- /*
- * It already exists.
- */
-+
-+ if (!gr_acl_handle_hidden_file(dentry, nd->path.mnt)) {
-+ error = -ENOENT;
-+ goto exit_mutex_unlock;
-+ }
-+ if (link && gr_handle_symlink_owner(link, dentry->d_inode)) {
-+ error = -EACCES;
-+ goto exit_mutex_unlock;
-+ }
-+
-+ /* only check if O_CREAT is specified, all other checks need to go
-+ into may_open */
-+ if (gr_handle_fifo(path->dentry, path->mnt, dir, open_flag, acc_mode)) {
-+ error = -EACCES;
-+ goto exit_mutex_unlock;
-+ }
-+
- mutex_unlock(&dir->d_inode->i_mutex);
- audit_inode(pathname, path->dentry);
-
-@@ -2349,6 +2453,11 @@ finish_lookup:
- }
- }
- BUG_ON(inode != path->dentry->d_inode);
-+ /* if we're resolving a symlink to another symlink */
-+ if (link && gr_handle_symlink_owner(link, inode)) {
-+ error = -EACCES;
-+ goto exit;
-+ }
- return NULL;
- }
-
-@@ -2358,7 +2467,6 @@ finish_lookup:
- save_parent.dentry = nd->path.dentry;
- save_parent.mnt = mntget(path->mnt);
- nd->path.dentry = path->dentry;
--
- }
- nd->inode = inode;
- /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
-@@ -2367,6 +2475,21 @@ finish_lookup:
- path_put(&save_parent);
- return ERR_PTR(error);
- }
-+#ifdef CONFIG_GRKERNSEC
-+ if (nd->flags & LOOKUP_RCU) {
-+ error = -ECHILD;
-+ goto exit;
-+ }
-+#endif
-+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
-+ error = -ENOENT;
-+ goto exit;
-+ }
-+ if (link && gr_handle_symlink_owner(link, nd->inode)) {
-+ error = -EACCES;
-+ goto exit;
-+ }
-+
- error = -EISDIR;
- if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode))
- goto exit;
-@@ -2461,7 +2584,7 @@ static struct file *path_openat(int dfd, const char *pathname,
- if (unlikely(error))
- goto out_filp;
-
-- filp = do_last(nd, &path, op, pathname);
-+ filp = do_last(nd, &path, NULL, op, pathname);
- while (unlikely(!filp)) { /* trailing symlink */
- struct path link = path;
- void *cookie;
-@@ -2476,8 +2599,9 @@ static struct file *path_openat(int dfd, const char *pathname,
- error = follow_link(&link, nd, &cookie);
- if (unlikely(error))
- filp = ERR_PTR(error);
-- else
-- filp = do_last(nd, &path, op, pathname);
-+ else {
-+ filp = do_last(nd, &path, &link, op, pathname);
-+ }
- put_link(nd, &link, cookie);
- }
- out:
-@@ -2577,6 +2701,11 @@ struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path
- *path = nd.path;
- return dentry;
- eexist:
-+ if (!gr_acl_handle_hidden_file(dentry, nd.path.mnt)) {
-+ dput(dentry);
-+ dentry = ERR_PTR(-ENOENT);
-+ goto fail;
-+ }
- dput(dentry);
- dentry = ERR_PTR(-EEXIST);
- fail:
-@@ -2599,6 +2728,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat
- }
- EXPORT_SYMBOL(user_path_create);
-
-+static struct dentry *user_path_create_with_name(int dfd, const char __user *pathname, struct path *path, char **to, int is_dir)
-+{
-+ char *tmp = getname(pathname);
-+ struct dentry *res;
-+ if (IS_ERR(tmp))
-+ return ERR_CAST(tmp);
-+ res = kern_path_create(dfd, tmp, path, is_dir);
-+ if (IS_ERR(res))
-+ putname(tmp);
-+ else
-+ *to = tmp;
-+ return res;
-+}
-+
- int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
- {
- int error = may_create(dir, dentry);
-@@ -2665,6 +2808,17 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_dput;
-+
-+ if (gr_handle_chroot_mknod(dentry, path.mnt, mode)) {
-+ error = -EPERM;
-+ goto out_drop_write;
-+ }
-+
-+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
-+ error = -EACCES;
-+ goto out_drop_write;
-+ }
-+
- error = security_path_mknod(&path, dentry, mode, dev);
- if (error)
- goto out_drop_write;
-@@ -2682,6 +2836,9 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
- }
- out_drop_write:
- mnt_drop_write(path.mnt);
-+
-+ if (!error)
-+ gr_handle_create(dentry, path.mnt);
- out_dput:
- dput(dentry);
- mutex_unlock(&path.dentry->d_inode->i_mutex);
-@@ -2735,12 +2892,21 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_dput;
-+
-+ if (!gr_acl_handle_mkdir(dentry, path.dentry, path.mnt)) {
-+ error = -EACCES;
-+ goto out_drop_write;
-+ }
-+
- error = security_path_mkdir(&path, dentry, mode);
- if (error)
- goto out_drop_write;
- error = vfs_mkdir(path.dentry->d_inode, dentry, mode);
- out_drop_write:
- mnt_drop_write(path.mnt);
-+
-+ if (!error)
-+ gr_handle_create(dentry, path.mnt);
- out_dput:
- dput(dentry);
- mutex_unlock(&path.dentry->d_inode->i_mutex);
-@@ -2820,6 +2986,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
- char * name;
- struct dentry *dentry;
- struct nameidata nd;
-+ ino_t saved_ino = 0;
-+ dev_t saved_dev = 0;
-
- error = user_path_parent(dfd, pathname, &nd, &name);
- if (error)
-@@ -2848,6 +3016,15 @@ static long do_rmdir(int dfd, const char __user *pathname)
- error = -ENOENT;
- goto exit3;
- }
-+
-+ saved_ino = dentry->d_inode->i_ino;
-+ saved_dev = gr_get_dev_from_dentry(dentry);
-+
-+ if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) {
-+ error = -EACCES;
-+ goto exit3;
-+ }
-+
- error = mnt_want_write(nd.path.mnt);
- if (error)
- goto exit3;
-@@ -2855,6 +3032,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
- if (error)
- goto exit4;
- error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
-+ if (!error && (saved_dev || saved_ino))
-+ gr_handle_delete(saved_ino, saved_dev);
- exit4:
- mnt_drop_write(nd.path.mnt);
- exit3:
-@@ -2917,6 +3096,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
- struct dentry *dentry;
- struct nameidata nd;
- struct inode *inode = NULL;
-+ ino_t saved_ino = 0;
-+ dev_t saved_dev = 0;
-
- error = user_path_parent(dfd, pathname, &nd, &name);
- if (error)
-@@ -2939,6 +3120,16 @@ static long do_unlinkat(int dfd, const char __user *pathname)
- if (!inode)
- goto slashes;
- ihold(inode);
-+
-+ if (inode->i_nlink <= 1) {
-+ saved_ino = inode->i_ino;
-+ saved_dev = gr_get_dev_from_dentry(dentry);
-+ }
-+ if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) {
-+ error = -EACCES;
-+ goto exit2;
-+ }
-+
- error = mnt_want_write(nd.path.mnt);
- if (error)
- goto exit2;
-@@ -2946,6 +3137,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
- if (error)
- goto exit3;
- error = vfs_unlink(nd.path.dentry->d_inode, dentry);
-+ if (!error && (saved_ino || saved_dev))
-+ gr_handle_delete(saved_ino, saved_dev);
- exit3:
- mnt_drop_write(nd.path.mnt);
- exit2:
-@@ -3021,10 +3214,18 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_dput;
-+
-+ if (!gr_acl_handle_symlink(dentry, path.dentry, path.mnt, from)) {
-+ error = -EACCES;
-+ goto out_drop_write;
-+ }
-+
- error = security_path_symlink(&path, dentry, from);
- if (error)
- goto out_drop_write;
- error = vfs_symlink(path.dentry->d_inode, dentry, from);
-+ if (!error)
-+ gr_handle_create(dentry, path.mnt);
- out_drop_write:
- mnt_drop_write(path.mnt);
- out_dput:
-@@ -3099,6 +3300,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
- {
- struct dentry *new_dentry;
- struct path old_path, new_path;
-+ char *to = NULL;
- int how = 0;
- int error;
-
-@@ -3122,7 +3324,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
- if (error)
- return error;
-
-- new_dentry = user_path_create(newdfd, newname, &new_path, 0);
-+ new_dentry = user_path_create_with_name(newdfd, newname, &new_path, &to, 0);
- error = PTR_ERR(new_dentry);
- if (IS_ERR(new_dentry))
- goto out;
-@@ -3133,13 +3335,30 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
- error = mnt_want_write(new_path.mnt);
- if (error)
- goto out_dput;
-+
-+ if (gr_handle_hardlink(old_path.dentry, old_path.mnt,
-+ old_path.dentry->d_inode,
-+ old_path.dentry->d_inode->i_mode, to)) {
-+ error = -EACCES;
-+ goto out_drop_write;
-+ }
-+
-+ if (!gr_acl_handle_link(new_dentry, new_path.dentry, new_path.mnt,
-+ old_path.dentry, old_path.mnt, to)) {
-+ error = -EACCES;
-+ goto out_drop_write;
-+ }
-+
- error = security_path_link(old_path.dentry, &new_path, new_dentry);
- if (error)
- goto out_drop_write;
- error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry);
-+ if (!error)
-+ gr_handle_create(new_dentry, new_path.mnt);
- out_drop_write:
- mnt_drop_write(new_path.mnt);
- out_dput:
-+ putname(to);
- dput(new_dentry);
- mutex_unlock(&new_path.dentry->d_inode->i_mutex);
- path_put(&new_path);
-@@ -3373,6 +3592,12 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
- if (new_dentry == trap)
- goto exit5;
-
-+ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt,
-+ old_dentry, old_dir->d_inode, oldnd.path.mnt,
-+ to);
-+ if (error)
-+ goto exit5;
-+
- error = mnt_want_write(oldnd.path.mnt);
- if (error)
- goto exit5;
-@@ -3382,6 +3607,9 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
- goto exit6;
- error = vfs_rename(old_dir->d_inode, old_dentry,
- new_dir->d_inode, new_dentry);
-+ if (!error)
-+ gr_handle_rename(old_dir->d_inode, new_dir->d_inode, old_dentry,
-+ new_dentry, oldnd.path.mnt, new_dentry->d_inode ? 1 : 0);
- exit6:
- mnt_drop_write(oldnd.path.mnt);
- exit5:
-@@ -3407,6 +3635,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna
-
- int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link)
- {
-+ char tmpbuf[64];
-+ const char *newlink;
- int len;
-
- len = PTR_ERR(link);
-@@ -3416,7 +3646,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c
- len = strlen(link);
- if (len > (unsigned) buflen)
- len = buflen;
-- if (copy_to_user(buffer, link, len))
-+
-+ if (len < sizeof(tmpbuf)) {
-+ memcpy(tmpbuf, link, len);
-+ newlink = tmpbuf;
-+ } else
-+ newlink = link;
-+
-+ if (copy_to_user(buffer, newlink, len))
- len = -EFAULT;
- out:
- return len;
-diff --git a/fs/namespace.c b/fs/namespace.c
-index 1e4a5fe..a5ce747 100644
---- a/fs/namespace.c
-+++ b/fs/namespace.c
-@@ -1157,6 +1157,9 @@ static int do_umount(struct mount *mnt, int flags)
- if (!(sb->s_flags & MS_RDONLY))
- retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
- up_write(&sb->s_umount);
-+
-+ gr_log_remount(mnt->mnt_devname, retval);
-+
- return retval;
- }
-
-@@ -1176,6 +1179,9 @@ static int do_umount(struct mount *mnt, int flags)
- br_write_unlock(&vfsmount_lock);
- up_write(&namespace_sem);
- release_mounts(&umount_list);
-+
-+ gr_log_unmount(mnt->mnt_devname, retval);
-+
- return retval;
- }
-
-@@ -2177,6 +2183,16 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
- MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
- MS_STRICTATIME);
-
-+ if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) {
-+ retval = -EPERM;
-+ goto dput_out;
-+ }
-+
-+ if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) {
-+ retval = -EPERM;
-+ goto dput_out;
-+ }
-+
- if (flags & MS_REMOUNT)
- retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
- data_page);
-@@ -2191,6 +2207,9 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
- dev_name, data_page);
- dput_out:
- path_put(&path);
-+
-+ gr_log_mount(dev_name, dir_name, retval);
-+
- return retval;
- }
-
-@@ -2472,6 +2491,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
- if (error)
- goto out2;
-
-+ if (gr_handle_chroot_pivot()) {
-+ error = -EPERM;
-+ goto out2;
-+ }
-+
- get_fs_root(current->fs, &root);
- error = lock_mount(&old);
- if (error)
-diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
-index f729698..2bac081 100644
---- a/fs/nfs/inode.c
-+++ b/fs/nfs/inode.c
-@@ -152,7 +152,7 @@ static void nfs_zap_caches_locked(struct inode *inode)
- nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
- nfsi->attrtimeo_timestamp = jiffies;
-
-- memset(NFS_COOKIEVERF(inode), 0, sizeof(NFS_COOKIEVERF(inode)));
-+ memset(NFS_COOKIEVERF(inode), 0, sizeof(NFS_I(inode)->cookieverf));
- if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL|NFS_INO_REVAL_PAGECACHE;
- else
-@@ -1008,16 +1008,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt
- return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
- }
-
--static atomic_long_t nfs_attr_generation_counter;
-+static atomic_long_unchecked_t nfs_attr_generation_counter;
-
- static unsigned long nfs_read_attr_generation_counter(void)
- {
-- return atomic_long_read(&nfs_attr_generation_counter);
-+ return atomic_long_read_unchecked(&nfs_attr_generation_counter);
- }
-
- unsigned long nfs_inc_attr_generation_counter(void)
- {
-- return atomic_long_inc_return(&nfs_attr_generation_counter);
-+ return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter);
- }
-
- void nfs_fattr_init(struct nfs_fattr *fattr)
-diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
-index c8bd9c3..4f83416 100644
---- a/fs/nfsd/vfs.c
-+++ b/fs/nfsd/vfs.c
-@@ -933,7 +933,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
- } else {
- oldfs = get_fs();
- set_fs(KERNEL_DS);
-- host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset);
-+ host_err = vfs_readv(file, (struct iovec __force_user *)vec, vlen, &offset);
- set_fs(oldfs);
- }
-
-@@ -1037,7 +1037,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
-
- /* Write the data. */
- oldfs = get_fs(); set_fs(KERNEL_DS);
-- host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &offset);
-+ host_err = vfs_writev(file, (struct iovec __force_user *)vec, vlen, &offset);
- set_fs(oldfs);
- if (host_err < 0)
- goto out_nfserr;
-@@ -1573,7 +1573,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
- */
-
- oldfs = get_fs(); set_fs(KERNEL_DS);
-- host_err = inode->i_op->readlink(path.dentry, buf, *lenp);
-+ host_err = inode->i_op->readlink(path.dentry, (char __force_user *)buf, *lenp);
- set_fs(oldfs);
-
- if (host_err < 0)
-diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
-index 3568c8a..e0240d8 100644
---- a/fs/notify/fanotify/fanotify_user.c
-+++ b/fs/notify/fanotify/fanotify_user.c
-@@ -278,7 +278,8 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
- goto out_close_fd;
-
- ret = -EFAULT;
-- if (copy_to_user(buf, &fanotify_event_metadata,
-+ if (fanotify_event_metadata.event_len > sizeof fanotify_event_metadata ||
-+ copy_to_user(buf, &fanotify_event_metadata,
- fanotify_event_metadata.event_len))
- goto out_kill_access_response;
-
-diff --git a/fs/notify/notification.c b/fs/notify/notification.c
-index c887b13..0fdf472 100644
---- a/fs/notify/notification.c
-+++ b/fs/notify/notification.c
-@@ -57,7 +57,7 @@ static struct kmem_cache *fsnotify_event_holder_cachep;
- * get set to 0 so it will never get 'freed'
- */
- static struct fsnotify_event *q_overflow_event;
--static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
-+static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0);
-
- /**
- * fsnotify_get_cookie - return a unique cookie for use in synchronizing events.
-@@ -65,7 +65,7 @@ static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
- */
- u32 fsnotify_get_cookie(void)
- {
-- return atomic_inc_return(&fsnotify_sync_cookie);
-+ return atomic_inc_return_unchecked(&fsnotify_sync_cookie);
- }
- EXPORT_SYMBOL_GPL(fsnotify_get_cookie);
-
-diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
-index 99e3610..02c1068 100644
---- a/fs/ntfs/dir.c
-+++ b/fs/ntfs/dir.c
-@@ -1329,7 +1329,7 @@ find_next_index_buffer:
- ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK &
- ~(s64)(ndir->itype.index.block_size - 1)));
- /* Bounds checks. */
-- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
-+ if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
- ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
- "inode 0x%lx or driver bug.", vdir->i_ino);
- goto err_out;
-diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
-index 7389d2d..dfd5dbe 100644
---- a/fs/ntfs/file.c
-+++ b/fs/ntfs/file.c
-@@ -2231,6 +2231,6 @@ const struct inode_operations ntfs_file_inode_ops = {
- #endif /* NTFS_RW */
- };
-
--const struct file_operations ntfs_empty_file_ops = {};
-+const struct file_operations ntfs_empty_file_ops __read_only;
-
--const struct inode_operations ntfs_empty_inode_ops = {};
-+const struct inode_operations ntfs_empty_inode_ops __read_only;
-diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
-index 210c352..a174f83 100644
---- a/fs/ocfs2/localalloc.c
-+++ b/fs/ocfs2/localalloc.c
-@@ -1283,7 +1283,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
- goto bail;
- }
-
-- atomic_inc(&osb->alloc_stats.moves);
-+ atomic_inc_unchecked(&osb->alloc_stats.moves);
-
- bail:
- if (handle)
-diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
-index d355e6e..578d905 100644
---- a/fs/ocfs2/ocfs2.h
-+++ b/fs/ocfs2/ocfs2.h
-@@ -235,11 +235,11 @@ enum ocfs2_vol_state
-
- struct ocfs2_alloc_stats
- {
-- atomic_t moves;
-- atomic_t local_data;
-- atomic_t bitmap_data;
-- atomic_t bg_allocs;
-- atomic_t bg_extends;
-+ atomic_unchecked_t moves;
-+ atomic_unchecked_t local_data;
-+ atomic_unchecked_t bitmap_data;
-+ atomic_unchecked_t bg_allocs;
-+ atomic_unchecked_t bg_extends;
- };
-
- enum ocfs2_local_alloc_state
-diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
-index f169da4..9112253 100644
---- a/fs/ocfs2/suballoc.c
-+++ b/fs/ocfs2/suballoc.c
-@@ -872,7 +872,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
- mlog_errno(status);
- goto bail;
- }
-- atomic_inc(&osb->alloc_stats.bg_extends);
-+ atomic_inc_unchecked(&osb->alloc_stats.bg_extends);
-
- /* You should never ask for this much metadata */
- BUG_ON(bits_wanted >
-@@ -2008,7 +2008,7 @@ int ocfs2_claim_metadata(handle_t *handle,
- mlog_errno(status);
- goto bail;
- }
-- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-
- *suballoc_loc = res.sr_bg_blkno;
- *suballoc_bit_start = res.sr_bit_offset;
-@@ -2172,7 +2172,7 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle,
- trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno,
- res->sr_bits);
-
-- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-
- BUG_ON(res->sr_bits != 1);
-
-@@ -2214,7 +2214,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
- mlog_errno(status);
- goto bail;
- }
-- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
-
- BUG_ON(res.sr_bits != 1);
-
-@@ -2318,7 +2318,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
- cluster_start,
- num_clusters);
- if (!status)
-- atomic_inc(&osb->alloc_stats.local_data);
-+ atomic_inc_unchecked(&osb->alloc_stats.local_data);
- } else {
- if (min_clusters > (osb->bitmap_cpg - 1)) {
- /* The only paths asking for contiguousness
-@@ -2344,7 +2344,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
- ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode,
- res.sr_bg_blkno,
- res.sr_bit_offset);
-- atomic_inc(&osb->alloc_stats.bitmap_data);
-+ atomic_inc_unchecked(&osb->alloc_stats.bitmap_data);
- *num_clusters = res.sr_bits;
- }
- }
-diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
-index 68f4541..89cfe6a 100644
---- a/fs/ocfs2/super.c
-+++ b/fs/ocfs2/super.c
-@@ -301,11 +301,11 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
- "%10s => GlobalAllocs: %d LocalAllocs: %d "
- "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n",
- "Stats",
-- atomic_read(&osb->alloc_stats.bitmap_data),
-- atomic_read(&osb->alloc_stats.local_data),
-- atomic_read(&osb->alloc_stats.bg_allocs),
-- atomic_read(&osb->alloc_stats.moves),
-- atomic_read(&osb->alloc_stats.bg_extends));
-+ atomic_read_unchecked(&osb->alloc_stats.bitmap_data),
-+ atomic_read_unchecked(&osb->alloc_stats.local_data),
-+ atomic_read_unchecked(&osb->alloc_stats.bg_allocs),
-+ atomic_read_unchecked(&osb->alloc_stats.moves),
-+ atomic_read_unchecked(&osb->alloc_stats.bg_extends));
-
- out += snprintf(buf + out, len - out,
- "%10s => State: %u Descriptor: %llu Size: %u bits "
-@@ -2116,11 +2116,11 @@ static int ocfs2_initialize_super(struct super_block *sb,
- spin_lock_init(&osb->osb_xattr_lock);
- ocfs2_init_steal_slots(osb);
-
-- atomic_set(&osb->alloc_stats.moves, 0);
-- atomic_set(&osb->alloc_stats.local_data, 0);
-- atomic_set(&osb->alloc_stats.bitmap_data, 0);
-- atomic_set(&osb->alloc_stats.bg_allocs, 0);
-- atomic_set(&osb->alloc_stats.bg_extends, 0);
-+ atomic_set_unchecked(&osb->alloc_stats.moves, 0);
-+ atomic_set_unchecked(&osb->alloc_stats.local_data, 0);
-+ atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0);
-+ atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0);
-+ atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0);
-
- /* Copy the blockcheck stats from the superblock probe */
- osb->osb_ecc_stats = *stats;
-diff --git a/fs/open.c b/fs/open.c
-index 1540632..79d7242 100644
---- a/fs/open.c
-+++ b/fs/open.c
-@@ -31,6 +31,8 @@
- #include <linux/ima.h>
- #include <linux/dnotify.h>
-
-+#define CREATE_TRACE_POINTS
-+#include <trace/events/fs.h>
- #include "internal.h"
-
- int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
-@@ -112,6 +114,10 @@ static long do_sys_truncate(const char __user *pathname, loff_t length)
- error = locks_verify_truncate(inode, NULL, length);
- if (!error)
- error = security_path_truncate(&path);
-+
-+ if (!error && !gr_acl_handle_truncate(path.dentry, path.mnt))
-+ error = -EACCES;
-+
- if (!error)
- error = do_truncate(path.dentry, length, 0, NULL);
-
-@@ -359,6 +365,9 @@ SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
- if (__mnt_is_readonly(path.mnt))
- res = -EROFS;
-
-+ if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode))
-+ res = -EACCES;
-+
- out_path_release:
- path_put(&path);
- out:
-@@ -385,6 +394,8 @@ SYSCALL_DEFINE1(chdir, const char __user *, filename)
- if (error)
- goto dput_and_out;
-
-+ gr_log_chdir(path.dentry, path.mnt);
-+
- set_fs_pwd(current->fs, &path);
-
- dput_and_out:
-@@ -411,6 +422,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd)
- goto out_putf;
-
- error = inode_permission(inode, MAY_EXEC | MAY_CHDIR);
-+
-+ if (!error && !gr_chroot_fchdir(file->f_path.dentry, file->f_path.mnt))
-+ error = -EPERM;
-+
-+ if (!error)
-+ gr_log_chdir(file->f_path.dentry, file->f_path.mnt);
-+
- if (!error)
- set_fs_pwd(current->fs, &file->f_path);
- out_putf:
-@@ -439,7 +457,13 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
- if (error)
- goto dput_and_out;
-
-+ if (gr_handle_chroot_chroot(path.dentry, path.mnt))
-+ goto dput_and_out;
-+
- set_fs_root(current->fs, &path);
-+
-+ gr_handle_chroot_chdir(&path);
-+
- error = 0;
- dput_and_out:
- path_put(&path);
-@@ -457,6 +481,16 @@ static int chmod_common(struct path *path, umode_t mode)
- if (error)
- return error;
- mutex_lock(&inode->i_mutex);
-+
-+ if (!gr_acl_handle_chmod(path->dentry, path->mnt, &mode)) {
-+ error = -EACCES;
-+ goto out_unlock;
-+ }
-+ if (gr_handle_chroot_chmod(path->dentry, path->mnt, mode)) {
-+ error = -EACCES;
-+ goto out_unlock;
-+ }
-+
- error = security_path_chmod(path, mode);
- if (error)
- goto out_unlock;
-@@ -512,6 +546,9 @@ static int chown_common(struct path *path, uid_t user, gid_t group)
- uid = make_kuid(current_user_ns(), user);
- gid = make_kgid(current_user_ns(), group);
-
-+ if (!gr_acl_handle_chown(path->dentry, path->mnt))
-+ return -EACCES;
-+
- newattrs.ia_valid = ATTR_CTIME;
- if (user != (uid_t) -1) {
- if (!uid_valid(uid))
-@@ -1035,6 +1072,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode)
- } else {
- fsnotify_open(f);
- fd_install(fd, f);
-+ trace_do_sys_open(tmp, flags, mode);
- }
- }
- putname(tmp);
-diff --git a/fs/pipe.c b/fs/pipe.c
-index 49c1065..13b9e12 100644
---- a/fs/pipe.c
-+++ b/fs/pipe.c
-@@ -438,9 +438,9 @@ redo:
- }
- if (bufs) /* More to do? */
- continue;
-- if (!pipe->writers)
-+ if (!atomic_read(&pipe->writers))
- break;
-- if (!pipe->waiting_writers) {
-+ if (!atomic_read(&pipe->waiting_writers)) {
- /* syscall merging: Usually we must not sleep
- * if O_NONBLOCK is set, or if we got some data.
- * But if a writer sleeps in kernel space, then
-@@ -504,7 +504,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov,
- mutex_lock(&inode->i_mutex);
- pipe = inode->i_pipe;
-
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- ret = -EPIPE;
- goto out;
-@@ -553,7 +553,7 @@ redo1:
- for (;;) {
- int bufs;
-
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- if (!ret)
- ret = -EPIPE;
-@@ -644,9 +644,9 @@ redo2:
- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
- do_wakeup = 0;
- }
-- pipe->waiting_writers++;
-+ atomic_inc(&pipe->waiting_writers);
- pipe_wait(pipe);
-- pipe->waiting_writers--;
-+ atomic_dec(&pipe->waiting_writers);
- }
- out:
- mutex_unlock(&inode->i_mutex);
-@@ -716,7 +716,7 @@ pipe_poll(struct file *filp, poll_table *wait)
- mask = 0;
- if (filp->f_mode & FMODE_READ) {
- mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0;
-- if (!pipe->writers && filp->f_version != pipe->w_counter)
-+ if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter)
- mask |= POLLHUP;
- }
-
-@@ -726,7 +726,7 @@ pipe_poll(struct file *filp, poll_table *wait)
- * Most Unices do not set POLLERR for FIFOs but on Linux they
- * behave exactly like pipes for poll().
- */
-- if (!pipe->readers)
-+ if (!atomic_read(&pipe->readers))
- mask |= POLLERR;
- }
-
-@@ -740,10 +740,10 @@ pipe_release(struct inode *inode, int decr, int decw)
-
- mutex_lock(&inode->i_mutex);
- pipe = inode->i_pipe;
-- pipe->readers -= decr;
-- pipe->writers -= decw;
-+ atomic_sub(decr, &pipe->readers);
-+ atomic_sub(decw, &pipe->writers);
-
-- if (!pipe->readers && !pipe->writers) {
-+ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers)) {
- free_pipe_info(inode);
- } else {
- wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP);
-@@ -833,7 +833,7 @@ pipe_read_open(struct inode *inode, struct file *filp)
-
- if (inode->i_pipe) {
- ret = 0;
-- inode->i_pipe->readers++;
-+ atomic_inc(&inode->i_pipe->readers);
- }
-
- mutex_unlock(&inode->i_mutex);
-@@ -850,7 +850,7 @@ pipe_write_open(struct inode *inode, struct file *filp)
-
- if (inode->i_pipe) {
- ret = 0;
-- inode->i_pipe->writers++;
-+ atomic_inc(&inode->i_pipe->writers);
- }
-
- mutex_unlock(&inode->i_mutex);
-@@ -868,9 +868,9 @@ pipe_rdwr_open(struct inode *inode, struct file *filp)
- if (inode->i_pipe) {
- ret = 0;
- if (filp->f_mode & FMODE_READ)
-- inode->i_pipe->readers++;
-+ atomic_inc(&inode->i_pipe->readers);
- if (filp->f_mode & FMODE_WRITE)
-- inode->i_pipe->writers++;
-+ atomic_inc(&inode->i_pipe->writers);
- }
-
- mutex_unlock(&inode->i_mutex);
-@@ -962,7 +962,7 @@ void free_pipe_info(struct inode *inode)
- inode->i_pipe = NULL;
- }
-
--static struct vfsmount *pipe_mnt __read_mostly;
-+struct vfsmount *pipe_mnt __read_mostly;
-
- /*
- * pipefs_dname() is called from d_path().
-@@ -992,7 +992,8 @@ static struct inode * get_pipe_inode(void)
- goto fail_iput;
- inode->i_pipe = pipe;
-
-- pipe->readers = pipe->writers = 1;
-+ atomic_set(&pipe->readers, 1);
-+ atomic_set(&pipe->writers, 1);
- inode->i_fop = &rdwr_pipefifo_fops;
-
- /*
-diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
-index 15af622..0e9f4467 100644
---- a/fs/proc/Kconfig
-+++ b/fs/proc/Kconfig
-@@ -30,12 +30,12 @@ config PROC_FS
-
- config PROC_KCORE
- bool "/proc/kcore support" if !ARM
-- depends on PROC_FS && MMU
-+ depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD
-
- config PROC_VMCORE
- bool "/proc/vmcore support"
-- depends on PROC_FS && CRASH_DUMP
-- default y
-+ depends on PROC_FS && CRASH_DUMP && !GRKERNSEC
-+ default n
- help
- Exports the dump image of crashed kernel in ELF format.
-
-@@ -59,8 +59,8 @@ config PROC_SYSCTL
- limited in memory.
-
- config PROC_PAGE_MONITOR
-- default y
-- depends on PROC_FS && MMU
-+ default n
-+ depends on PROC_FS && MMU && !GRKERNSEC
- bool "Enable /proc page monitoring" if EXPERT
- help
- Various /proc files exist to monitor process memory utilization:
-diff --git a/fs/proc/array.c b/fs/proc/array.c
-index c1c207c..5179411 100644
---- a/fs/proc/array.c
-+++ b/fs/proc/array.c
-@@ -60,6 +60,7 @@
- #include <linux/tty.h>
- #include <linux/string.h>
- #include <linux/mman.h>
-+#include <linux/grsecurity.h>
- #include <linux/proc_fs.h>
- #include <linux/ioport.h>
- #include <linux/uaccess.h>
-@@ -346,6 +347,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
- seq_putc(m, '\n');
- }
-
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+static inline void task_pax(struct seq_file *m, struct task_struct *p)
-+{
-+ if (p->mm)
-+ seq_printf(m, "PaX:\t%c%c%c%c%c\n",
-+ p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p',
-+ p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e',
-+ p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm',
-+ p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r',
-+ p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's');
-+ else
-+ seq_printf(m, "PaX:\t-----\n");
-+}
-+#endif
-+
- int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task)
- {
-@@ -363,9 +379,24 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
- task_cpus_allowed(m, task);
- cpuset_task_status_allowed(m, task);
- task_context_switch_counts(m, task);
-+
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+ task_pax(m, task);
-+#endif
-+
-+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
-+ task_grsec_rbac(m, task);
-+#endif
-+
- return 0;
- }
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
-+ (_mm->pax_flags & MF_PAX_RANDMMAP || \
-+ _mm->pax_flags & MF_PAX_SEGMEXEC))
-+#endif
-+
- static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task, int whole)
- {
-@@ -387,6 +418,13 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- char tcomm[sizeof(task->comm)];
- unsigned long flags;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (current->exec_id != m->exec_id) {
-+ gr_log_badprocpid("stat");
-+ return 0;
-+ }
-+#endif
-+
- state = *get_task_state(task);
- vsize = eip = esp = 0;
- permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
-@@ -458,6 +496,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- gtime = task->gtime;
- }
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (PAX_RAND_FLAGS(mm)) {
-+ eip = 0;
-+ esp = 0;
-+ wchan = 0;
-+ }
-+#endif
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ wchan = 0;
-+ eip =0;
-+ esp =0;
-+#endif
-+
- /* scale priority and nice values from timeslices to -20..20 */
- /* to make it look like a "normal" Unix priority/nice value */
- priority = task_prio(task);
-@@ -494,9 +545,15 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- seq_put_decimal_ull(m, ' ', vsize);
- seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0);
- seq_put_decimal_ull(m, ' ', rsslim);
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0));
-+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0));
-+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0));
-+#else
- seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0);
- seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0);
- seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0);
-+#endif
- seq_put_decimal_ull(m, ' ', esp);
- seq_put_decimal_ull(m, ' ', eip);
- /* The signal information here is obsolete.
-@@ -518,7 +575,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime));
- seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime));
-
-- if (mm && permitted) {
-+ if (mm && permitted
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ && !PAX_RAND_FLAGS(mm)
-+#endif
-+ ) {
- seq_put_decimal_ull(m, ' ', mm->start_data);
- seq_put_decimal_ull(m, ' ', mm->end_data);
- seq_put_decimal_ull(m, ' ', mm->start_brk);
-@@ -556,8 +617,15 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task)
- {
- unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0;
-- struct mm_struct *mm = get_task_mm(task);
-+ struct mm_struct *mm;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (current->exec_id != m->exec_id) {
-+ gr_log_badprocpid("statm");
-+ return 0;
-+ }
-+#endif
-+ mm = get_task_mm(task);
- if (mm) {
- size = task_statm(mm, &shared, &text, &data, &resident);
- mmput(mm);
-@@ -580,6 +648,21 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
- return 0;
- }
-
-+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
-+int proc_pid_ipaddr(struct task_struct *task, char *buffer)
-+{
-+ u32 curr_ip = 0;
-+ unsigned long flags;
-+
-+ if (lock_task_sighand(task, &flags)) {
-+ curr_ip = task->signal->curr_ip;
-+ unlock_task_sighand(task, &flags);
-+ }
-+
-+ return sprintf(buffer, "%pI4\n", &curr_ip);
-+}
-+#endif
-+
- #ifdef CONFIG_CHECKPOINT_RESTORE
- static struct pid *
- get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos)
-diff --git a/fs/proc/base.c b/fs/proc/base.c
-index 437195f..cd2210d 100644
---- a/fs/proc/base.c
-+++ b/fs/proc/base.c
-@@ -110,6 +110,14 @@ struct pid_entry {
- union proc_op op;
- };
-
-+struct getdents_callback {
-+ struct linux_dirent __user * current_dir;
-+ struct linux_dirent __user * previous;
-+ struct file * file;
-+ int count;
-+ int error;
-+};
-+
- #define NOD(NAME, MODE, IOP, FOP, OP) { \
- .name = (NAME), \
- .len = sizeof(NAME) - 1, \
-@@ -209,6 +217,9 @@ static int proc_pid_cmdline(struct task_struct *task, char * buffer)
- if (!mm->arg_end)
- goto out_mm; /* Shh! No looking before we're done */
-
-+ if (gr_acl_handle_procpidmem(task))
-+ goto out_mm;
-+
- len = mm->arg_end - mm->arg_start;
-
- if (len > PAGE_SIZE)
-@@ -236,12 +247,28 @@ out:
- return res;
- }
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
-+ (_mm->pax_flags & MF_PAX_RANDMMAP || \
-+ _mm->pax_flags & MF_PAX_SEGMEXEC))
-+#endif
-+
- static int proc_pid_auxv(struct task_struct *task, char *buffer)
- {
- struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ);
- int res = PTR_ERR(mm);
- if (mm && !IS_ERR(mm)) {
- unsigned int nwords = 0;
-+
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ /* allow if we're currently ptracing this task */
-+ if (PAX_RAND_FLAGS(mm) &&
-+ (!(task->ptrace & PT_PTRACED) || (task->parent != current))) {
-+ mmput(mm);
-+ return 0;
-+ }
-+#endif
-+
- do {
- nwords += 2;
- } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */
-@@ -255,7 +282,7 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer)
- }
-
-
--#ifdef CONFIG_KALLSYMS
-+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- /*
- * Provides a wchan file via kallsyms in a proper one-value-per-file format.
- * Returns the resolved symbol. If that fails, simply return the address.
-@@ -294,7 +321,7 @@ static void unlock_trace(struct task_struct *task)
- mutex_unlock(&task->signal->cred_guard_mutex);
- }
-
--#ifdef CONFIG_STACKTRACE
-+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
-
- #define MAX_STACK_TRACE_DEPTH 64
-
-@@ -486,7 +513,7 @@ static int proc_pid_limits(struct task_struct *task, char *buffer)
- return count;
- }
-
--#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
- static int proc_pid_syscall(struct task_struct *task, char *buffer)
- {
- long nr;
-@@ -515,7 +542,7 @@ static int proc_pid_syscall(struct task_struct *task, char *buffer)
- /************************************************************************/
-
- /* permission checks */
--static int proc_fd_access_allowed(struct inode *inode)
-+static int proc_fd_access_allowed(struct inode *inode, unsigned int log)
- {
- struct task_struct *task;
- int allowed = 0;
-@@ -525,7 +552,10 @@ static int proc_fd_access_allowed(struct inode *inode)
- */
- task = get_proc_task(inode);
- if (task) {
-- allowed = ptrace_may_access(task, PTRACE_MODE_READ);
-+ if (log)
-+ allowed = ptrace_may_access(task, PTRACE_MODE_READ);
-+ else
-+ allowed = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
- put_task_struct(task);
- }
- return allowed;
-@@ -563,10 +593,35 @@ static bool has_pid_permissions(struct pid_namespace *pid,
- struct task_struct *task,
- int hide_pid_min)
- {
-+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
-+ return false;
-+
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ rcu_read_lock();
-+ {
-+ const struct cred *tmpcred = current_cred();
-+ const struct cred *cred = __task_cred(task);
-+
-+ if (!tmpcred->uid || (tmpcred->uid == cred->uid)
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ || in_group_p(CONFIG_GRKERNSEC_PROC_GID)
-+#endif
-+ ) {
-+ rcu_read_unlock();
-+ return true;
-+ }
-+ }
-+ rcu_read_unlock();
-+
-+ if (!pid->hide_pid)
-+ return false;
-+#endif
-+
- if (pid->hide_pid < hide_pid_min)
- return true;
- if (in_group_p(pid->pid_gid))
- return true;
-+
- return ptrace_may_access(task, PTRACE_MODE_READ);
- }
-
-@@ -584,7 +639,11 @@ static int proc_pid_permission(struct inode *inode, int mask)
- put_task_struct(task);
-
- if (!has_perms) {
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ {
-+#else
- if (pid->hide_pid == 2) {
-+#endif
- /*
- * Let's make getdents(), stat(), and open()
- * consistent with each other. If a process
-@@ -682,6 +741,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
- if (!task)
- return -ESRCH;
-
-+ if (gr_acl_handle_procpidmem(task)) {
-+ put_task_struct(task);
-+ return -EPERM;
-+ }
-+
- mm = mm_access(task, mode);
- put_task_struct(task);
-
-@@ -695,16 +759,24 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
- mmput(mm);
- }
-
-- /* OK to pass negative loff_t, we can catch out-of-range */
-- file->f_mode |= FMODE_UNSIGNED_OFFSET;
- file->private_data = mm;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ file->f_version = current->exec_id;
-+#endif
-+
- return 0;
- }
-
- static int mem_open(struct inode *inode, struct file *file)
- {
-- return __mem_open(inode, file, PTRACE_MODE_ATTACH);
-+ int ret;
-+ ret = __mem_open(inode, file, PTRACE_MODE_ATTACH);
-+
-+ /* OK to pass negative loff_t, we can catch out-of-range */
-+ file->f_mode |= FMODE_UNSIGNED_OFFSET;
-+
-+ return ret;
- }
-
- static ssize_t mem_rw(struct file *file, char __user *buf,
-@@ -715,6 +787,17 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
- ssize_t copied;
- char *page;
-
-+#ifdef CONFIG_GRKERNSEC
-+ if (write)
-+ return -EPERM;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (file->f_version != current->exec_id) {
-+ gr_log_badprocpid("mem");
-+ return 0;
-+ }
-+#endif
-+
- if (!mm)
- return 0;
-
-@@ -819,6 +902,13 @@ static ssize_t environ_read(struct file *file, char __user *buf,
- if (!mm)
- return 0;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (file->f_version != current->exec_id) {
-+ gr_log_badprocpid("environ");
-+ return 0;
-+ }
-+#endif
-+
- page = (char *)__get_free_page(GFP_TEMPORARY);
- if (!page)
- return -ENOMEM;
-@@ -827,15 +917,17 @@ static ssize_t environ_read(struct file *file, char __user *buf,
- if (!atomic_inc_not_zero(&mm->mm_users))
- goto free;
- while (count > 0) {
-- int this_len, retval, max_len;
-+ size_t this_len, max_len;
-+ int retval;
-+
-+ if (src >= (mm->env_end - mm->env_start))
-+ break;
-
- this_len = mm->env_end - (mm->env_start + src);
-
-- if (this_len <= 0)
-- break;
-
-- max_len = (count > PAGE_SIZE) ? PAGE_SIZE : count;
-- this_len = (this_len > max_len) ? max_len : this_len;
-+ max_len = min_t(size_t, PAGE_SIZE, count);
-+ this_len = min(max_len, this_len);
-
- retval = access_remote_vm(mm, (mm->env_start + src),
- page, this_len, 0);
-@@ -1433,7 +1525,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
- path_put(&nd->path);
-
- /* Are we allowed to snoop on the tasks file descriptors? */
-- if (!proc_fd_access_allowed(inode))
-+ if (!proc_fd_access_allowed(inode, 0))
- goto out;
-
- error = PROC_I(inode)->op.proc_get_link(dentry, &nd->path);
-@@ -1472,8 +1564,18 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
- struct path path;
-
- /* Are we allowed to snoop on the tasks file descriptors? */
-- if (!proc_fd_access_allowed(inode))
-- goto out;
-+ /* logging this is needed for learning on chromium to work properly,
-+ but we don't want to flood the logs from 'ps' which does a readlink
-+ on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn
-+ CAP_SYS_PTRACE as it's not necessary for its basic functionality
-+ */
-+ if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') {
-+ if (!proc_fd_access_allowed(inode,0))
-+ goto out;
-+ } else {
-+ if (!proc_fd_access_allowed(inode,1))
-+ goto out;
-+ }
-
- error = PROC_I(inode)->op.proc_get_link(dentry, &path);
- if (error)
-@@ -1538,7 +1640,11 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t
- rcu_read_lock();
- cred = __task_cred(task);
- inode->i_uid = cred->euid;
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID;
-+#else
- inode->i_gid = cred->egid;
-+#endif
- rcu_read_unlock();
- }
- security_task_to_inode(task, inode);
-@@ -1574,10 +1680,19 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
- return -ENOENT;
- }
- if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
-+#endif
- task_dumpable(task)) {
- cred = __task_cred(task);
- stat->uid = cred->euid;
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ stat->gid = CONFIG_GRKERNSEC_PROC_GID;
-+#else
- stat->gid = cred->egid;
-+#endif
- }
- }
- rcu_read_unlock();
-@@ -1615,11 +1730,20 @@ int pid_revalidate(struct dentry *dentry, struct nameidata *nd)
-
- if (task) {
- if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
-+#endif
- task_dumpable(task)) {
- rcu_read_lock();
- cred = __task_cred(task);
- inode->i_uid = cred->euid;
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID;
-+#else
- inode->i_gid = cred->egid;
-+#endif
- rcu_read_unlock();
- } else {
- inode->i_uid = GLOBAL_ROOT_UID;
-@@ -1737,7 +1861,8 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
- int fd = proc_fd(inode);
-
- if (task) {
-- files = get_files_struct(task);
-+ if (!gr_acl_handle_procpidmem(task))
-+ files = get_files_struct(task);
- put_task_struct(task);
- }
- if (files) {
-@@ -2336,11 +2461,21 @@ static const struct file_operations proc_map_files_operations = {
- */
- static int proc_fd_permission(struct inode *inode, int mask)
- {
-+ struct task_struct *task;
- int rv = generic_permission(inode, mask);
-- if (rv == 0)
-- return 0;
-+
- if (task_pid(current) == proc_pid(inode))
- rv = 0;
-+
-+ task = get_proc_task(inode);
-+ if (task == NULL)
-+ return rv;
-+
-+ if (gr_acl_handle_procpidmem(task))
-+ rv = -EACCES;
-+
-+ put_task_struct(task);
-+
- return rv;
- }
-
-@@ -2450,6 +2585,9 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
- if (!task)
- goto out_no_task;
-
-+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
-+ goto out;
-+
- /*
- * Yes, it does not scale. And it should not. Don't add
- * new entries into /proc/<tgid>/ without very good reasons.
-@@ -2494,6 +2632,9 @@ static int proc_pident_readdir(struct file *filp,
- if (!task)
- goto out_no_task;
-
-+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
-+ goto out;
-+
- ret = 0;
- i = filp->f_pos;
- switch (i) {
-@@ -2764,7 +2905,7 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
- static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
- void *cookie)
- {
-- char *s = nd_get_link(nd);
-+ const char *s = nd_get_link(nd);
- if (!IS_ERR(s))
- __putname(s);
- }
-@@ -3033,7 +3174,7 @@ static const struct pid_entry tgid_base_stuff[] = {
- REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations),
- #endif
- REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
--#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
- INF("syscall", S_IRUGO, proc_pid_syscall),
- #endif
- INF("cmdline", S_IRUGO, proc_pid_cmdline),
-@@ -3058,10 +3199,10 @@ static const struct pid_entry tgid_base_stuff[] = {
- #ifdef CONFIG_SECURITY
- DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
- #endif
--#ifdef CONFIG_KALLSYMS
-+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- INF("wchan", S_IRUGO, proc_pid_wchan),
- #endif
--#ifdef CONFIG_STACKTRACE
-+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- ONE("stack", S_IRUGO, proc_pid_stack),
- #endif
- #ifdef CONFIG_SCHEDSTATS
-@@ -3095,6 +3236,9 @@ static const struct pid_entry tgid_base_stuff[] = {
- #ifdef CONFIG_HARDWALL
- INF("hardwall", S_IRUGO, proc_pid_hardwall),
- #endif
-+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
-+ INF("ipaddr", S_IRUSR, proc_pid_ipaddr),
-+#endif
- #ifdef CONFIG_USER_NS
- REG("uid_map", S_IRUGO|S_IWUSR, proc_uid_map_operations),
- REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
-@@ -3225,7 +3369,14 @@ static struct dentry *proc_pid_instantiate(struct inode *dir,
- if (!inode)
- goto out;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR;
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID;
-+ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP;
-+#else
- inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
-+#endif
- inode->i_op = &proc_tgid_base_inode_operations;
- inode->i_fop = &proc_tgid_base_operations;
- inode->i_flags|=S_IMMUTABLE;
-@@ -3267,7 +3418,11 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
- if (!task)
- goto out;
-
-+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
-+ goto out_put_task;
-+
- result = proc_pid_instantiate(dir, dentry, task, NULL);
-+out_put_task:
- put_task_struct(task);
- out:
- return result;
-@@ -3330,6 +3485,8 @@ static int proc_pid_fill_cache(struct file *filp, void *dirent, filldir_t filldi
- static int fake_filldir(void *buf, const char *name, int namelen,
- loff_t offset, u64 ino, unsigned d_type)
- {
-+ struct getdents_callback * __buf = (struct getdents_callback *) buf;
-+ __buf->error = -EINVAL;
- return 0;
- }
-
-@@ -3396,7 +3553,7 @@ static const struct pid_entry tid_base_stuff[] = {
- REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
- #endif
- REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
--#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
- INF("syscall", S_IRUGO, proc_pid_syscall),
- #endif
- INF("cmdline", S_IRUGO, proc_pid_cmdline),
-@@ -3423,10 +3580,10 @@ static const struct pid_entry tid_base_stuff[] = {
- #ifdef CONFIG_SECURITY
- DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
- #endif
--#ifdef CONFIG_KALLSYMS
-+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- INF("wchan", S_IRUGO, proc_pid_wchan),
- #endif
--#ifdef CONFIG_STACKTRACE
-+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- ONE("stack", S_IRUGO, proc_pid_stack),
- #endif
- #ifdef CONFIG_SCHEDSTATS
-diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
-index 82676e3..5f8518a 100644
---- a/fs/proc/cmdline.c
-+++ b/fs/proc/cmdline.c
-@@ -23,7 +23,11 @@ static const struct file_operations cmdline_proc_fops = {
-
- static int __init proc_cmdline_init(void)
- {
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+ proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops);
-+#else
- proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
-+#endif
- return 0;
- }
- module_init(proc_cmdline_init);
-diff --git a/fs/proc/devices.c b/fs/proc/devices.c
-index b143471..bb105e5 100644
---- a/fs/proc/devices.c
-+++ b/fs/proc/devices.c
-@@ -64,7 +64,11 @@ static const struct file_operations proc_devinfo_operations = {
-
- static int __init proc_devices_init(void)
- {
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+ proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations);
-+#else
- proc_create("devices", 0, NULL, &proc_devinfo_operations);
-+#endif
- return 0;
- }
- module_init(proc_devices_init);
-diff --git a/fs/proc/inode.c b/fs/proc/inode.c
-index 7ac817b..abab1a5 100644
---- a/fs/proc/inode.c
-+++ b/fs/proc/inode.c
-@@ -21,11 +21,17 @@
- #include <linux/seq_file.h>
- #include <linux/slab.h>
- #include <linux/mount.h>
-+#include <linux/grsecurity.h>
-
- #include <asm/uaccess.h>
-
- #include "internal.h"
-
-+#ifdef CONFIG_PROC_SYSCTL
-+extern const struct inode_operations proc_sys_inode_operations;
-+extern const struct inode_operations proc_sys_dir_operations;
-+#endif
-+
- static void proc_evict_inode(struct inode *inode)
- {
- struct proc_dir_entry *de;
-@@ -51,6 +57,13 @@ static void proc_evict_inode(struct inode *inode)
- ns_ops = PROC_I(inode)->ns_ops;
- if (ns_ops && ns_ops->put)
- ns_ops->put(PROC_I(inode)->ns);
-+
-+#ifdef CONFIG_PROC_SYSCTL
-+ if (inode->i_op == &proc_sys_inode_operations ||
-+ inode->i_op == &proc_sys_dir_operations)
-+ gr_handle_delete(inode->i_ino, inode->i_sb->s_dev);
-+#endif
-+
- }
-
- static struct kmem_cache * proc_inode_cachep;
-@@ -456,7 +469,11 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
- if (de->mode) {
- inode->i_mode = de->mode;
- inode->i_uid = de->uid;
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID;
-+#else
- inode->i_gid = de->gid;
-+#endif
- }
- if (de->size)
- inode->i_size = de->size;
-diff --git a/fs/proc/internal.h b/fs/proc/internal.h
-index eca4aca..19166b2 100644
---- a/fs/proc/internal.h
-+++ b/fs/proc/internal.h
-@@ -52,6 +52,9 @@ extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task);
- extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task);
-+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
-+extern int proc_pid_ipaddr(struct task_struct *task, char *buffer);
-+#endif
- extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
-
- extern const struct file_operations proc_tid_children_operations;
-diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
-index 86c67ee..cdca321 100644
---- a/fs/proc/kcore.c
-+++ b/fs/proc/kcore.c
-@@ -480,9 +480,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
- * the addresses in the elf_phdr on our list.
- */
- start = kc_offset_to_vaddr(*fpos - elf_buflen);
-- if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)
-+ tsz = PAGE_SIZE - (start & ~PAGE_MASK);
-+ if (tsz > buflen)
- tsz = buflen;
--
-+
- while (buflen) {
- struct kcore_list *m;
-
-@@ -511,20 +512,23 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
- kfree(elf_buf);
- } else {
- if (kern_addr_valid(start)) {
-- unsigned long n;
-+ char *elf_buf;
-+ mm_segment_t oldfs;
-
-- n = copy_to_user(buffer, (char *)start, tsz);
-- /*
-- * We cannot distinguish between fault on source
-- * and fault on destination. When this happens
-- * we clear too and hope it will trigger the
-- * EFAULT again.
-- */
-- if (n) {
-- if (clear_user(buffer + tsz - n,
-- n))
-+ elf_buf = kmalloc(tsz, GFP_KERNEL);
-+ if (!elf_buf)
-+ return -ENOMEM;
-+ oldfs = get_fs();
-+ set_fs(KERNEL_DS);
-+ if (!__copy_from_user(elf_buf, (const void __user *)start, tsz)) {
-+ set_fs(oldfs);
-+ if (copy_to_user(buffer, elf_buf, tsz)) {
-+ kfree(elf_buf);
- return -EFAULT;
-+ }
- }
-+ set_fs(oldfs);
-+ kfree(elf_buf);
- } else {
- if (clear_user(buffer, tsz))
- return -EFAULT;
-@@ -544,6 +548,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
-
- static int open_kcore(struct inode *inode, struct file *filp)
- {
-+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
-+ return -EPERM;
-+#endif
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
- if (kcore_need_update)
-diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
-index 80e4645..53e5fcf 100644
---- a/fs/proc/meminfo.c
-+++ b/fs/proc/meminfo.c
-@@ -158,7 +158,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
- vmi.used >> 10,
- vmi.largest_chunk >> 10
- #ifdef CONFIG_MEMORY_FAILURE
-- ,atomic_long_read(&mce_bad_pages) << (PAGE_SHIFT - 10)
-+ ,atomic_long_read_unchecked(&mce_bad_pages) << (PAGE_SHIFT - 10)
- #endif
- #ifdef CONFIG_TRANSPARENT_HUGEPAGE
- ,K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) *
-diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
-index b1822dd..df622cb 100644
---- a/fs/proc/nommu.c
-+++ b/fs/proc/nommu.c
-@@ -66,7 +66,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
- if (len < 1)
- len = 1;
- seq_printf(m, "%*c", len, ' ');
-- seq_path(m, &file->f_path, "");
-+ seq_path(m, &file->f_path, "\n\\");
- }
-
- seq_putc(m, '\n');
-diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
-index 06e1cc1..177cd98 100644
---- a/fs/proc/proc_net.c
-+++ b/fs/proc/proc_net.c
-@@ -105,6 +105,17 @@ static struct net *get_proc_task_net(struct inode *dir)
- struct task_struct *task;
- struct nsproxy *ns;
- struct net *net = NULL;
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ const struct cred *cred = current_cred();
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ if (cred->fsuid)
-+ return net;
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ if (cred->fsuid && !in_group_p(CONFIG_GRKERNSEC_PROC_GID))
-+ return net;
-+#endif
-
- rcu_read_lock();
- task = pid_task(proc_pid(dir), PIDTYPE_PID);
-diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
-index 3476bca..cb6d86a 100644
---- a/fs/proc/proc_sysctl.c
-+++ b/fs/proc/proc_sysctl.c
-@@ -12,11 +12,15 @@
- #include <linux/module.h>
- #include "internal.h"
-
-+extern int gr_handle_chroot_sysctl(const int op);
-+extern int gr_handle_sysctl_mod(const char *dirname, const char *name,
-+ const int op);
-+
- static const struct dentry_operations proc_sys_dentry_operations;
- static const struct file_operations proc_sys_file_operations;
--static const struct inode_operations proc_sys_inode_operations;
-+const struct inode_operations proc_sys_inode_operations;
- static const struct file_operations proc_sys_dir_file_operations;
--static const struct inode_operations proc_sys_dir_operations;
-+const struct inode_operations proc_sys_dir_operations;
-
- void proc_sys_poll_notify(struct ctl_table_poll *poll)
- {
-@@ -470,8 +474,14 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
-
- err = NULL;
- d_set_d_op(dentry, &proc_sys_dentry_operations);
-+
-+ gr_handle_proc_create(dentry, inode);
-+
- d_add(dentry, inode);
-
-+ if (!gr_acl_handle_hidden_file(dentry, nd->path.mnt))
-+ err = ERR_PTR(-ENOENT);
-+
- out:
- sysctl_head_finish(head);
- return err;
-@@ -483,18 +493,20 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
- struct inode *inode = filp->f_path.dentry->d_inode;
- struct ctl_table_header *head = grab_header(inode);
- struct ctl_table *table = PROC_I(inode)->sysctl_entry;
-+ int op = write ? MAY_WRITE : MAY_READ;
- ssize_t error;
- size_t res;
-
- if (IS_ERR(head))
- return PTR_ERR(head);
-
-+
- /*
- * At this point we know that the sysctl was not unregistered
- * and won't be until we finish.
- */
- error = -EPERM;
-- if (sysctl_perm(head->root, table, write ? MAY_WRITE : MAY_READ))
-+ if (sysctl_perm(head->root, table, op))
- goto out;
-
- /* if that can happen at all, it should be -EINVAL, not -EISDIR */
-@@ -502,6 +514,22 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
- if (!table->proc_handler)
- goto out;
-
-+#ifdef CONFIG_GRKERNSEC
-+ error = -EPERM;
-+ if (gr_handle_chroot_sysctl(op))
-+ goto out;
-+ dget(filp->f_path.dentry);
-+ if (gr_handle_sysctl_mod(filp->f_path.dentry->d_parent->d_name.name, table->procname, op)) {
-+ dput(filp->f_path.dentry);
-+ goto out;
-+ }
-+ dput(filp->f_path.dentry);
-+ if (!gr_acl_handle_open(filp->f_path.dentry, filp->f_path.mnt, op))
-+ goto out;
-+ if (write && !capable(CAP_SYS_ADMIN))
-+ goto out;
-+#endif
-+
- /* careful: calling conventions are nasty here */
- res = count;
- error = table->proc_handler(table, write, buf, &res, ppos);
-@@ -599,6 +627,9 @@ static int proc_sys_fill_cache(struct file *filp, void *dirent,
- return -ENOMEM;
- } else {
- d_set_d_op(child, &proc_sys_dentry_operations);
-+
-+ gr_handle_proc_create(child, inode);
-+
- d_add(child, inode);
- }
- } else {
-@@ -642,6 +673,9 @@ static int scan(struct ctl_table_header *head, ctl_table *table,
- if ((*pos)++ < file->f_pos)
- return 0;
-
-+ if (!gr_acl_handle_hidden_file(file->f_path.dentry, file->f_path.mnt))
-+ return 0;
-+
- if (unlikely(S_ISLNK(table->mode)))
- res = proc_sys_link_fill_cache(file, dirent, filldir, head, table);
- else
-@@ -759,6 +793,9 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct
- if (IS_ERR(head))
- return PTR_ERR(head);
-
-+ if (table && !gr_acl_handle_hidden_file(dentry, mnt))
-+ return -ENOENT;
-+
- generic_fillattr(inode, stat);
- if (table)
- stat->mode = (stat->mode & S_IFMT) | table->mode;
-@@ -781,13 +818,13 @@ static const struct file_operations proc_sys_dir_file_operations = {
- .llseek = generic_file_llseek,
- };
-
--static const struct inode_operations proc_sys_inode_operations = {
-+const struct inode_operations proc_sys_inode_operations = {
- .permission = proc_sys_permission,
- .setattr = proc_sys_setattr,
- .getattr = proc_sys_getattr,
- };
-
--static const struct inode_operations proc_sys_dir_operations = {
-+const struct inode_operations proc_sys_dir_operations = {
- .lookup = proc_sys_lookup,
- .permission = proc_sys_permission,
- .setattr = proc_sys_setattr,
-diff --git a/fs/proc/root.c b/fs/proc/root.c
-index 7c30fce..b3d3aa2 100644
---- a/fs/proc/root.c
-+++ b/fs/proc/root.c
-@@ -188,7 +188,15 @@ void __init proc_root_init(void)
- #ifdef CONFIG_PROC_DEVICETREE
- proc_device_tree_init();
- #endif
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
-+#endif
-+#else
- proc_mkdir("bus", NULL);
-+#endif
- proc_sys_init();
- }
-
-diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
-index 4540b8f..1b9772f 100644
---- a/fs/proc/task_mmu.c
-+++ b/fs/proc/task_mmu.c
-@@ -11,12 +11,19 @@
- #include <linux/rmap.h>
- #include <linux/swap.h>
- #include <linux/swapops.h>
-+#include <linux/grsecurity.h>
-
- #include <asm/elf.h>
- #include <asm/uaccess.h>
- #include <asm/tlbflush.h>
- #include "internal.h"
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
-+ (_mm->pax_flags & MF_PAX_RANDMMAP || \
-+ _mm->pax_flags & MF_PAX_SEGMEXEC))
-+#endif
-+
- void task_mem(struct seq_file *m, struct mm_struct *mm)
- {
- unsigned long data, text, lib, swap;
-@@ -52,8 +59,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
- "VmExe:\t%8lu kB\n"
- "VmLib:\t%8lu kB\n"
- "VmPTE:\t%8lu kB\n"
-- "VmSwap:\t%8lu kB\n",
-- hiwater_vm << (PAGE_SHIFT-10),
-+ "VmSwap:\t%8lu kB\n"
-+
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+ "CsBase:\t%8lx\nCsLim:\t%8lx\n"
-+#endif
-+
-+ ,hiwater_vm << (PAGE_SHIFT-10),
- (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
- mm->locked_vm << (PAGE_SHIFT-10),
- mm->pinned_vm << (PAGE_SHIFT-10),
-@@ -62,7 +74,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
- data << (PAGE_SHIFT-10),
- mm->stack_vm << (PAGE_SHIFT-10), text, lib,
- (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
-- swap << (PAGE_SHIFT-10));
-+ swap << (PAGE_SHIFT-10)
-+
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_base
-+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_limit
-+#else
-+ , mm->context.user_cs_base
-+ , mm->context.user_cs_limit
-+#endif
-+#endif
-+
-+ );
- }
-
- unsigned long task_vsize(struct mm_struct *mm)
-@@ -231,13 +255,13 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
- pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
- }
-
-- /* We don't show the stack guard page in /proc/maps */
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start;
-+ end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end;
-+#else
- start = vma->vm_start;
-- if (stack_guard_page_start(vma, start))
-- start += PAGE_SIZE;
- end = vma->vm_end;
-- if (stack_guard_page_end(vma, end))
-- end -= PAGE_SIZE;
-+#endif
-
- seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
- start,
-@@ -246,7 +270,11 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
- flags & VM_WRITE ? 'w' : '-',
- flags & VM_EXEC ? 'x' : '-',
- flags & VM_MAYSHARE ? 's' : 'p',
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ PAX_RAND_FLAGS(mm) ? 0UL : pgoff,
-+#else
- pgoff,
-+#endif
- MAJOR(dev), MINOR(dev), ino, &len);
-
- /*
-@@ -255,7 +283,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
- */
- if (file) {
- pad_len_spaces(m, len);
-- seq_path(m, &file->f_path, "\n");
-+ seq_path(m, &file->f_path, "\n\\");
- goto done;
- }
-
-@@ -281,8 +309,9 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
- * Thread stack in /proc/PID/task/TID/maps or
- * the main process stack.
- */
-- if (!is_pid || (vma->vm_start <= mm->start_stack &&
-- vma->vm_end >= mm->start_stack)) {
-+ if (!is_pid || (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) ||
-+ (vma->vm_start <= mm->start_stack &&
-+ vma->vm_end >= mm->start_stack)) {
- name = "[stack]";
- } else {
- /* Thread stack in /proc/PID/maps */
-@@ -306,6 +335,13 @@ static int show_map(struct seq_file *m, void *v, int is_pid)
- struct proc_maps_private *priv = m->private;
- struct task_struct *task = priv->task;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (current->exec_id != m->exec_id) {
-+ gr_log_badprocpid("maps");
-+ return 0;
-+ }
-+#endif
-+
- show_map_vma(m, vma, is_pid);
-
- if (m->count < m->size) /* vma is copied successfully */
-@@ -492,12 +528,23 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
- .private = &mss,
- };
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (current->exec_id != m->exec_id) {
-+ gr_log_badprocpid("smaps");
-+ return 0;
-+ }
-+#endif
- memset(&mss, 0, sizeof mss);
-- mss.vma = vma;
-- /* mmap_sem is held in m_start */
-- if (vma->vm_mm && !is_vm_hugetlb_page(vma))
-- walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
--
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (!PAX_RAND_FLAGS(vma->vm_mm)) {
-+#endif
-+ mss.vma = vma;
-+ /* mmap_sem is held in m_start */
-+ if (vma->vm_mm && !is_vm_hugetlb_page(vma))
-+ walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ }
-+#endif
- show_map_vma(m, vma, is_pid);
-
- seq_printf(m,
-@@ -515,7 +562,11 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
- "KernelPageSize: %8lu kB\n"
- "MMUPageSize: %8lu kB\n"
- "Locked: %8lu kB\n",
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10,
-+#else
- (vma->vm_end - vma->vm_start) >> 10,
-+#endif
- mss.resident >> 10,
- (unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
- mss.shared_clean >> 10,
-@@ -1164,6 +1215,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
- int n;
- char buffer[50];
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (current->exec_id != m->exec_id) {
-+ gr_log_badprocpid("numa_maps");
-+ return 0;
-+ }
-+#endif
-+
- if (!mm)
- return 0;
-
-@@ -1181,11 +1239,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
- mpol_to_str(buffer, sizeof(buffer), pol, 0);
- mpol_cond_put(pol);
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ seq_printf(m, "%08lx %s", PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : vma->vm_start, buffer);
-+#else
- seq_printf(m, "%08lx %s", vma->vm_start, buffer);
-+#endif
-
- if (file) {
- seq_printf(m, " file=");
-- seq_path(m, &file->f_path, "\n\t= ");
-+ seq_path(m, &file->f_path, "\n\t\\= ");
- } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
- seq_printf(m, " heap");
- } else {
-diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
-index 1ccfa53..0848f95 100644
---- a/fs/proc/task_nommu.c
-+++ b/fs/proc/task_nommu.c
-@@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
- else
- bytes += kobjsize(mm);
-
-- if (current->fs && current->fs->users > 1)
-+ if (current->fs && atomic_read(¤t->fs->users) > 1)
- sbytes += kobjsize(current->fs);
- else
- bytes += kobjsize(current->fs);
-@@ -168,7 +168,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
-
- if (file) {
- pad_len_spaces(m, len);
-- seq_path(m, &file->f_path, "");
-+ seq_path(m, &file->f_path, "\n\\");
- } else if (mm) {
- pid_t tid = vm_is_stack(priv->task, vma, is_pid);
-
-diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
-index d67908b..d13f6a6 100644
---- a/fs/quota/netlink.c
-+++ b/fs/quota/netlink.c
-@@ -33,7 +33,7 @@ static struct genl_family quota_genl_family = {
- void quota_send_warning(short type, unsigned int id, dev_t dev,
- const char warntype)
- {
-- static atomic_t seq;
-+ static atomic_unchecked_t seq;
- struct sk_buff *skb;
- void *msg_head;
- int ret;
-@@ -49,7 +49,7 @@ void quota_send_warning(short type, unsigned int id, dev_t dev,
- "VFS: Not enough memory to send quota warning.\n");
- return;
- }
-- msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq),
-+ msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq),
- "a_genl_family, 0, QUOTA_NL_C_WARNING);
- if (!msg_head) {
- printk(KERN_ERR
-diff --git a/fs/readdir.c b/fs/readdir.c
-index 39e3370..20d446d 100644
---- a/fs/readdir.c
-+++ b/fs/readdir.c
-@@ -17,6 +17,7 @@
- #include <linux/security.h>
- #include <linux/syscalls.h>
- #include <linux/unistd.h>
-+#include <linux/namei.h>
-
- #include <asm/uaccess.h>
-
-@@ -67,6 +68,7 @@ struct old_linux_dirent {
-
- struct readdir_callback {
- struct old_linux_dirent __user * dirent;
-+ struct file * file;
- int result;
- };
-
-@@ -84,6 +86,10 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset
- buf->result = -EOVERFLOW;
- return -EOVERFLOW;
- }
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- buf->result++;
- dirent = buf->dirent;
- if (!access_ok(VERIFY_WRITE, dirent,
-@@ -116,6 +122,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
-
- buf.result = 0;
- buf.dirent = dirent;
-+ buf.file = file;
-
- error = vfs_readdir(file, fillonedir, &buf);
- if (buf.result)
-@@ -141,6 +148,7 @@ struct linux_dirent {
- struct getdents_callback {
- struct linux_dirent __user * current_dir;
- struct linux_dirent __user * previous;
-+ struct file * file;
- int count;
- int error;
- };
-@@ -162,6 +170,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
- buf->error = -EOVERFLOW;
- return -EOVERFLOW;
- }
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- dirent = buf->previous;
- if (dirent) {
- if (__put_user(offset, &dirent->d_off))
-@@ -208,6 +220,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-+ buf.file = file;
-
- error = vfs_readdir(file, filldir, &buf);
- if (error >= 0)
-@@ -226,6 +239,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
- struct getdents_callback64 {
- struct linux_dirent64 __user * current_dir;
- struct linux_dirent64 __user * previous;
-+ struct file *file;
- int count;
- int error;
- };
-@@ -241,6 +255,10 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset,
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
-+
-+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
-+ return 0;
-+
- dirent = buf->previous;
- if (dirent) {
- if (__put_user(offset, &dirent->d_off))
-@@ -287,6 +305,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
-
- buf.current_dir = dirent;
- buf.previous = NULL;
-+ buf.file = file;
- buf.count = count;
- buf.error = 0;
-
-@@ -295,7 +314,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
-- typeof(lastdirent->d_off) d_off = file->f_pos;
-+ typeof(((struct linux_dirent64 *)0)->d_off) d_off = file->f_pos;
- if (__put_user(d_off, &lastdirent->d_off))
- error = -EFAULT;
- else
-diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
-index 2b7882b..1c5ef48 100644
---- a/fs/reiserfs/do_balan.c
-+++ b/fs/reiserfs/do_balan.c
-@@ -2051,7 +2051,7 @@ void do_balance(struct tree_balance *tb, /* tree_balance structure */
- return;
- }
-
-- atomic_inc(&(fs_generation(tb->tb_sb)));
-+ atomic_inc_unchecked(&(fs_generation(tb->tb_sb)));
- do_balance_starts(tb);
-
- /* balance leaf returns 0 except if combining L R and S into
-diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
-index 2c1ade6..8c59d8d 100644
---- a/fs/reiserfs/procfs.c
-+++ b/fs/reiserfs/procfs.c
-@@ -112,7 +112,7 @@ static int show_super(struct seq_file *m, struct super_block *sb)
- "SMALL_TAILS " : "NO_TAILS ",
- replay_only(sb) ? "REPLAY_ONLY " : "",
- convert_reiserfs(sb) ? "CONV " : "",
-- atomic_read(&r->s_generation_counter),
-+ atomic_read_unchecked(&r->s_generation_counter),
- SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes),
- SF(s_do_balance), SF(s_unneeded_left_neighbor),
- SF(s_good_search_by_key_reada), SF(s_bmaps),
-diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
-index 33215f5..c5d427a 100644
---- a/fs/reiserfs/reiserfs.h
-+++ b/fs/reiserfs/reiserfs.h
-@@ -453,7 +453,7 @@ struct reiserfs_sb_info {
- /* Comment? -Hans */
- wait_queue_head_t s_wait;
- /* To be obsoleted soon by per buffer seals.. -Hans */
-- atomic_t s_generation_counter; // increased by one every time the
-+ atomic_unchecked_t s_generation_counter; // increased by one every time the
- // tree gets re-balanced
- unsigned long s_properties; /* File system properties. Currently holds
- on-disk FS format */
-@@ -1978,7 +1978,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode)
- #define REISERFS_USER_MEM 1 /* reiserfs user memory mode */
-
- #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter)
--#define get_generation(s) atomic_read (&fs_generation(s))
-+#define get_generation(s) atomic_read_unchecked (&fs_generation(s))
- #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen)
- #define __fs_changed(gen,s) (gen != get_generation (s))
- #define fs_changed(gen,s) \
-diff --git a/fs/select.c b/fs/select.c
-index db14c78..3aae1bd 100644
---- a/fs/select.c
-+++ b/fs/select.c
-@@ -20,6 +20,7 @@
- #include <linux/export.h>
- #include <linux/slab.h>
- #include <linux/poll.h>
-+#include <linux/security.h>
- #include <linux/personality.h> /* for STICKY_TIMEOUTS */
- #include <linux/file.h>
- #include <linux/fdtable.h>
-@@ -831,6 +832,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
- struct poll_list *walk = head;
- unsigned long todo = nfds;
-
-+ gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1);
- if (nfds > rlimit(RLIMIT_NOFILE))
- return -EINVAL;
-
-diff --git a/fs/seq_file.c b/fs/seq_file.c
-index 0cbd049..64e705c 100644
---- a/fs/seq_file.c
-+++ b/fs/seq_file.c
-@@ -9,6 +9,7 @@
- #include <linux/export.h>
- #include <linux/seq_file.h>
- #include <linux/slab.h>
-+#include <linux/sched.h>
-
- #include <asm/uaccess.h>
- #include <asm/page.h>
-@@ -56,6 +57,9 @@ int seq_open(struct file *file, const struct seq_operations *op)
- memset(p, 0, sizeof(*p));
- mutex_init(&p->lock);
- p->op = op;
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ p->exec_id = current->exec_id;
-+#endif
-
- /*
- * Wrappers around seq_open(e.g. swaps_open) need to be
-@@ -92,7 +96,7 @@ static int traverse(struct seq_file *m, loff_t offset)
- return 0;
- }
- if (!m->buf) {
-- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
-+ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY);
- if (!m->buf)
- return -ENOMEM;
- }
-@@ -132,7 +136,7 @@ static int traverse(struct seq_file *m, loff_t offset)
- Eoverflow:
- m->op->stop(m, p);
- kfree(m->buf);
-- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
-+ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY);
- return !m->buf ? -ENOMEM : -EAGAIN;
- }
-
-@@ -187,7 +191,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
-
- /* grab buffer if we didn't have one */
- if (!m->buf) {
-- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
-+ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY);
- if (!m->buf)
- goto Enomem;
- }
-@@ -228,7 +232,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
- goto Fill;
- m->op->stop(m, p);
- kfree(m->buf);
-- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
-+ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY);
- if (!m->buf)
- goto Enomem;
- m->count = 0;
-@@ -567,7 +571,7 @@ static void single_stop(struct seq_file *p, void *v)
- int single_open(struct file *file, int (*show)(struct seq_file *, void *),
- void *data)
- {
-- struct seq_operations *op = kmalloc(sizeof(*op), GFP_KERNEL);
-+ seq_operations_no_const *op = kmalloc(sizeof(*op), GFP_KERNEL);
- int res = -ENOMEM;
-
- if (op) {
-diff --git a/fs/splice.c b/fs/splice.c
-index 7bf08fa..eb35c2f 100644
---- a/fs/splice.c
-+++ b/fs/splice.c
-@@ -194,7 +194,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
- pipe_lock(pipe);
-
- for (;;) {
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- if (!ret)
- ret = -EPIPE;
-@@ -248,9 +248,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
- do_wakeup = 0;
- }
-
-- pipe->waiting_writers++;
-+ atomic_inc(&pipe->waiting_writers);
- pipe_wait(pipe);
-- pipe->waiting_writers--;
-+ atomic_dec(&pipe->waiting_writers);
- }
-
- pipe_unlock(pipe);
-@@ -563,7 +563,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec,
- old_fs = get_fs();
- set_fs(get_ds());
- /* The cast to a user pointer is valid due to the set_fs() */
-- res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos);
-+ res = vfs_readv(file, (const struct iovec __force_user *)vec, vlen, &pos);
- set_fs(old_fs);
-
- return res;
-@@ -578,7 +578,7 @@ static ssize_t kernel_write(struct file *file, const char *buf, size_t count,
- old_fs = get_fs();
- set_fs(get_ds());
- /* The cast to a user pointer is valid due to the set_fs() */
-- res = vfs_write(file, (const char __user *)buf, count, &pos);
-+ res = vfs_write(file, (const char __force_user *)buf, count, &pos);
- set_fs(old_fs);
-
- return res;
-@@ -630,7 +630,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
- goto err;
-
- this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset);
-- vec[i].iov_base = (void __user *) page_address(page);
-+ vec[i].iov_base = (void __force_user *) page_address(page);
- vec[i].iov_len = this_len;
- spd.pages[i] = page;
- spd.nr_pages++;
-@@ -849,10 +849,10 @@ EXPORT_SYMBOL(splice_from_pipe_feed);
- int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd)
- {
- while (!pipe->nrbufs) {
-- if (!pipe->writers)
-+ if (!atomic_read(&pipe->writers))
- return 0;
-
-- if (!pipe->waiting_writers && sd->num_spliced)
-+ if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced)
- return 0;
-
- if (sd->flags & SPLICE_F_NONBLOCK)
-@@ -1187,7 +1187,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
- * out of the pipe right after the splice_to_pipe(). So set
- * PIPE_READERS appropriately.
- */
-- pipe->readers = 1;
-+ atomic_set(&pipe->readers, 1);
-
- current->splice_pipe = pipe;
- }
-@@ -1740,9 +1740,9 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
- ret = -ERESTARTSYS;
- break;
- }
-- if (!pipe->writers)
-+ if (!atomic_read(&pipe->writers))
- break;
-- if (!pipe->waiting_writers) {
-+ if (!atomic_read(&pipe->waiting_writers)) {
- if (flags & SPLICE_F_NONBLOCK) {
- ret = -EAGAIN;
- break;
-@@ -1774,7 +1774,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
- pipe_lock(pipe);
-
- while (pipe->nrbufs >= pipe->buffers) {
-- if (!pipe->readers) {
-+ if (!atomic_read(&pipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- ret = -EPIPE;
- break;
-@@ -1787,9 +1787,9 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
- ret = -ERESTARTSYS;
- break;
- }
-- pipe->waiting_writers++;
-+ atomic_inc(&pipe->waiting_writers);
- pipe_wait(pipe);
-- pipe->waiting_writers--;
-+ atomic_dec(&pipe->waiting_writers);
- }
-
- pipe_unlock(pipe);
-@@ -1825,14 +1825,14 @@ retry:
- pipe_double_lock(ipipe, opipe);
-
- do {
-- if (!opipe->readers) {
-+ if (!atomic_read(&opipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- if (!ret)
- ret = -EPIPE;
- break;
- }
-
-- if (!ipipe->nrbufs && !ipipe->writers)
-+ if (!ipipe->nrbufs && !atomic_read(&ipipe->writers))
- break;
-
- /*
-@@ -1929,7 +1929,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
- pipe_double_lock(ipipe, opipe);
-
- do {
-- if (!opipe->readers) {
-+ if (!atomic_read(&opipe->readers)) {
- send_sig(SIGPIPE, current, 0);
- if (!ret)
- ret = -EPIPE;
-@@ -1974,7 +1974,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
- * return EAGAIN if we have the potential of some data in the
- * future, otherwise just return 0
- */
-- if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK))
-+ if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK))
- ret = -EAGAIN;
-
- pipe_unlock(ipipe);
-diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
-index e6bb9b2..d8e3951 100644
---- a/fs/sysfs/dir.c
-+++ b/fs/sysfs/dir.c
-@@ -678,6 +678,18 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
- struct sysfs_dirent *sd;
- int rc;
-
-+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
-+ const char *parent_name = parent_sd->s_name;
-+
-+ mode = S_IFDIR | S_IRWXU;
-+
-+ if ((!strcmp(parent_name, "") && (!strcmp(name, "devices") || !strcmp(name, "fs"))) ||
-+ (!strcmp(parent_name, "devices") && !strcmp(name, "system")) ||
-+ (!strcmp(parent_name, "fs") && (!strcmp(name, "selinux") || !strcmp(name, "fuse"))) ||
-+ (!strcmp(parent_name, "system") && !strcmp(name, "cpu")))
-+ mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
-+#endif
-+
- /* allocate */
- sd = sysfs_new_dirent(name, mode, SYSFS_DIR);
- if (!sd)
-diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
-index 00012e3..8392349 100644
---- a/fs/sysfs/file.c
-+++ b/fs/sysfs/file.c
-@@ -37,7 +37,7 @@ static DEFINE_SPINLOCK(sysfs_open_dirent_lock);
-
- struct sysfs_open_dirent {
- atomic_t refcnt;
-- atomic_t event;
-+ atomic_unchecked_t event;
- wait_queue_head_t poll;
- struct list_head buffers; /* goes through sysfs_buffer.list */
- };
-@@ -81,7 +81,7 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
- if (!sysfs_get_active(attr_sd))
- return -ENODEV;
-
-- buffer->event = atomic_read(&attr_sd->s_attr.open->event);
-+ buffer->event = atomic_read_unchecked(&attr_sd->s_attr.open->event);
- count = ops->show(kobj, attr_sd->s_attr.attr, buffer->page);
-
- sysfs_put_active(attr_sd);
-@@ -287,7 +287,7 @@ static int sysfs_get_open_dirent(struct sysfs_dirent *sd,
- return -ENOMEM;
-
- atomic_set(&new_od->refcnt, 0);
-- atomic_set(&new_od->event, 1);
-+ atomic_set_unchecked(&new_od->event, 1);
- init_waitqueue_head(&new_od->poll);
- INIT_LIST_HEAD(&new_od->buffers);
- goto retry;
-@@ -432,7 +432,7 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait)
-
- sysfs_put_active(attr_sd);
-
-- if (buffer->event != atomic_read(&od->event))
-+ if (buffer->event != atomic_read_unchecked(&od->event))
- goto trigger;
-
- return DEFAULT_POLLMASK;
-@@ -451,7 +451,7 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd)
-
- od = sd->s_attr.open;
- if (od) {
-- atomic_inc(&od->event);
-+ atomic_inc_unchecked(&od->event);
- wake_up_interruptible(&od->poll);
- }
-
-diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
-index a7ac78f..02158e1 100644
---- a/fs/sysfs/symlink.c
-+++ b/fs/sysfs/symlink.c
-@@ -286,7 +286,7 @@ static void *sysfs_follow_link(struct dentry *dentry, struct nameidata *nd)
-
- static void sysfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
- {
-- char *page = nd_get_link(nd);
-+ const char *page = nd_get_link(nd);
- if (!IS_ERR(page))
- free_page((unsigned long)page);
- }
-diff --git a/fs/udf/misc.c b/fs/udf/misc.c
-index c175b4d..8f36a16 100644
---- a/fs/udf/misc.c
-+++ b/fs/udf/misc.c
-@@ -289,7 +289,7 @@ void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
-
- u8 udf_tag_checksum(const struct tag *t)
- {
-- u8 *data = (u8 *)t;
-+ const u8 *data = (const u8 *)t;
- u8 checksum = 0;
- int i;
- for (i = 0; i < sizeof(struct tag); ++i)
-diff --git a/fs/udf/namei.c b/fs/udf/namei.c
-index 1802417..c31deb3 100644
---- a/fs/udf/namei.c
-+++ b/fs/udf/namei.c
-@@ -1279,6 +1279,7 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
- *lenp = 3;
- fid->udf.block = location.logicalBlockNum;
- fid->udf.partref = location.partitionReferenceNum;
-+ fid->udf.parent_partref = 0;
- fid->udf.generation = inode->i_generation;
-
- if (parent) {
-diff --git a/fs/utimes.c b/fs/utimes.c
-index fa4dbe4..e12d1b9 100644
---- a/fs/utimes.c
-+++ b/fs/utimes.c
-@@ -1,6 +1,7 @@
- #include <linux/compiler.h>
- #include <linux/file.h>
- #include <linux/fs.h>
-+#include <linux/security.h>
- #include <linux/linkage.h>
- #include <linux/mount.h>
- #include <linux/namei.h>
-@@ -101,6 +102,12 @@ static int utimes_common(struct path *path, struct timespec *times)
- goto mnt_drop_write_and_out;
- }
- }
-+
-+ if (!gr_acl_handle_utime(path->dentry, path->mnt)) {
-+ error = -EACCES;
-+ goto mnt_drop_write_and_out;
-+ }
-+
- mutex_lock(&inode->i_mutex);
- error = notify_change(path->dentry, &newattrs);
- mutex_unlock(&inode->i_mutex);
-diff --git a/fs/xattr.c b/fs/xattr.c
-index 1d7ac37..23cb9ec 100644
---- a/fs/xattr.c
-+++ b/fs/xattr.c
-@@ -316,7 +316,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr);
- * Extended attribute SET operations
- */
- static long
--setxattr(struct dentry *d, const char __user *name, const void __user *value,
-+setxattr(struct path *path, const char __user *name, const void __user *value,
- size_t size, int flags)
- {
- int error;
-@@ -349,7 +349,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
- }
- }
-
-- error = vfs_setxattr(d, kname, kvalue, size, flags);
-+ if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) {
-+ error = -EACCES;
-+ goto out;
-+ }
-+
-+ error = vfs_setxattr(path->dentry, kname, kvalue, size, flags);
- out:
- if (vvalue)
- vfree(vvalue);
-@@ -370,7 +375,7 @@ SYSCALL_DEFINE5(setxattr, const char __user *, pathname,
- return error;
- error = mnt_want_write(path.mnt);
- if (!error) {
-- error = setxattr(path.dentry, name, value, size, flags);
-+ error = setxattr(&path, name, value, size, flags);
- mnt_drop_write(path.mnt);
- }
- path_put(&path);
-@@ -389,7 +394,7 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
- return error;
- error = mnt_want_write(path.mnt);
- if (!error) {
-- error = setxattr(path.dentry, name, value, size, flags);
-+ error = setxattr(&path, name, value, size, flags);
- mnt_drop_write(path.mnt);
- }
- path_put(&path);
-@@ -401,17 +406,15 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
- {
- int fput_needed;
- struct file *f;
-- struct dentry *dentry;
- int error = -EBADF;
-
- f = fget_light(fd, &fput_needed);
- if (!f)
- return error;
-- dentry = f->f_path.dentry;
-- audit_inode(NULL, dentry);
-+ audit_inode(NULL, f->f_path.dentry);
- error = mnt_want_write_file(f);
- if (!error) {
-- error = setxattr(dentry, name, value, size, flags);
-+ error = setxattr(&f->f_path, name, value, size, flags);
- mnt_drop_write_file(f);
- }
- fput_light(f, fput_needed);
-diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c
-index 69d06b0..c0996e5 100644
---- a/fs/xattr_acl.c
-+++ b/fs/xattr_acl.c
-@@ -17,8 +17,8 @@
- struct posix_acl *
- posix_acl_from_xattr(const void *value, size_t size)
- {
-- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value;
-- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end;
-+ const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value;
-+ const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end;
- int count;
- struct posix_acl *acl;
- struct posix_acl_entry *acl_e;
-diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
-index 58b815e..595ddee 100644
---- a/fs/xfs/xfs_bmap.c
-+++ b/fs/xfs/xfs_bmap.c
-@@ -189,7 +189,7 @@ xfs_bmap_validate_ret(
- int nmap,
- int ret_nmap);
- #else
--#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)
-+#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do {} while (0)
- #endif /* DEBUG */
-
- STATIC int
-diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
-index 19bf0c5..9f26b02 100644
---- a/fs/xfs/xfs_dir2_sf.c
-+++ b/fs/xfs/xfs_dir2_sf.c
-@@ -851,7 +851,15 @@ xfs_dir2_sf_getdents(
- }
-
- ino = xfs_dir2_sfe_get_ino(sfp, sfep);
-- if (filldir(dirent, (char *)sfep->name, sfep->namelen,
-+ if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) {
-+ char name[sfep->namelen];
-+ memcpy(name, sfep->name, sfep->namelen);
-+ if (filldir(dirent, name, sfep->namelen,
-+ off & 0x7fffffff, ino, DT_UNKNOWN)) {
-+ *offset = off & 0x7fffffff;
-+ return 0;
-+ }
-+ } else if (filldir(dirent, (char *)sfep->name, sfep->namelen,
- off & 0x7fffffff, ino, DT_UNKNOWN)) {
- *offset = off & 0x7fffffff;
- return 0;
-diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
-index f9c3fe3..69cf4fc 100644
---- a/fs/xfs/xfs_discard.c
-+++ b/fs/xfs/xfs_discard.c
-@@ -179,12 +179,14 @@ xfs_ioc_trim(
- * used by the fstrim application. In the end it really doesn't
- * matter as trimming blocks is an advisory interface.
- */
-+ if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) ||
-+ range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)))
-+ return -XFS_ERROR(EINVAL);
-+
- start = BTOBB(range.start);
- end = start + BTOBBT(range.len) - 1;
- minlen = BTOBB(max_t(u64, granularity, range.minlen));
-
-- if (XFS_BB_TO_FSB(mp, start) >= mp->m_sb.sb_dblocks)
-- return -XFS_ERROR(EINVAL);
- if (end > XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) - 1)
- end = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)- 1;
-
-diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
-index 3a05a41..320bec6 100644
---- a/fs/xfs/xfs_ioctl.c
-+++ b/fs/xfs/xfs_ioctl.c
-@@ -126,7 +126,7 @@ xfs_find_handle(
- }
-
- error = -EFAULT;
-- if (copy_to_user(hreq->ohandle, &handle, hsize) ||
-+ if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) ||
- copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
- goto out_put;
-
-diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
-index 1a25fd8..e935581 100644
---- a/fs/xfs/xfs_iops.c
-+++ b/fs/xfs/xfs_iops.c
-@@ -394,7 +394,7 @@ xfs_vn_put_link(
- struct nameidata *nd,
- void *p)
- {
-- char *s = nd_get_link(nd);
-+ const char *s = nd_get_link(nd);
-
- if (!IS_ERR(s))
- kfree(s);
-diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
-index 92d4331..ca28a4b 100644
---- a/fs/xfs/xfs_rtalloc.c
-+++ b/fs/xfs/xfs_rtalloc.c
-@@ -857,7 +857,7 @@ xfs_rtbuf_get(
- xfs_buf_t *bp; /* block buffer, result */
- xfs_inode_t *ip; /* bitmap or summary inode */
- xfs_bmbt_irec_t map;
-- int nmap;
-+ int nmap = 1;
- int error; /* error value */
-
- ip = issum ? mp->m_rsumip : mp->m_rbmip;
-diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig
-new file mode 100644
-index 0000000..4d533f1
---- /dev/null
-+++ b/grsecurity/Kconfig
-@@ -0,0 +1,941 @@
-+#
-+# grecurity configuration
-+#
-+menu "Memory Protections"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_KMEM
-+ bool "Deny reading/writing to /dev/kmem, /dev/mem, and /dev/port"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ select STRICT_DEVMEM if (X86 || ARM || TILE || S390)
-+ help
-+ If you say Y here, /dev/kmem and /dev/mem won't be allowed to
-+ be written to or read from to modify or leak the contents of the running
-+ kernel. /dev/port will also not be allowed to be opened. If you have module
-+ support disabled, enabling this will close up four ways that are
-+ currently used to insert malicious code into the running kernel.
-+ Even with all these features enabled, we still highly recommend that
-+ you use the RBAC system, as it is still possible for an attacker to
-+ modify the running kernel through privileged I/O granted by ioperm/iopl.
-+ If you are not using XFree86, you may be able to stop this additional
-+ case by enabling the 'Disable privileged I/O' option. Though nothing
-+ legitimately writes to /dev/kmem, XFree86 does need to write to /dev/mem,
-+ but only to video memory, which is the only writing we allow in this
-+ case. If /dev/kmem or /dev/mem are mmaped without PROT_WRITE, they will
-+ not be allowed to mprotect it with PROT_WRITE later.
-+ It is highly recommended that you say Y here if you meet all the
-+ conditions above.
-+
-+config GRKERNSEC_VM86
-+ bool "Restrict VM86 mode"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
-+ depends on X86_32
-+
-+ help
-+ If you say Y here, only processes with CAP_SYS_RAWIO will be able to
-+ make use of a special execution mode on 32bit x86 processors called
-+ Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain
-+ video cards and will still work with this option enabled. The purpose
-+ of the option is to prevent exploitation of emulation errors in
-+ virtualization of vm86 mode like the one discovered in VMWare in 2009.
-+ Nearly all users should be able to enable this option.
-+
-+config GRKERNSEC_IO
-+ bool "Disable privileged I/O"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
-+ depends on X86
-+ select RTC_CLASS
-+ select RTC_INTF_DEV
-+ select RTC_DRV_CMOS
-+
-+ help
-+ If you say Y here, all ioperm and iopl calls will return an error.
-+ Ioperm and iopl can be used to modify the running kernel.
-+ Unfortunately, some programs need this access to operate properly,
-+ the most notable of which are XFree86 and hwclock. hwclock can be
-+ remedied by having RTC support in the kernel, so real-time
-+ clock support is enabled if this option is enabled, to ensure
-+ that hwclock operates correctly. XFree86 still will not
-+ operate correctly with this option enabled, so DO NOT CHOOSE Y
-+ IF YOU USE XFree86. If you use XFree86 and you still want to
-+ protect your kernel against modification, use the RBAC system.
-+
-+config GRKERNSEC_PROC_MEMMAP
-+ bool "Harden ASLR against information leaks and entropy reduction"
-+ default y if (GRKERNSEC_CONFIG_AUTO || PAX_NOEXEC || PAX_ASLR)
-+ depends on PAX_NOEXEC || PAX_ASLR
-+ help
-+ If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will
-+ give no information about the addresses of its mappings if
-+ PaX features that rely on random addresses are enabled on the task.
-+ In addition to sanitizing this information and disabling other
-+ dangerous sources of information, this option causes reads of sensitive
-+ /proc/<pid> entries where the file descriptor was opened in a different
-+ task than the one performing the read. Such attempts are logged.
-+ This option also limits argv/env strings for suid/sgid binaries
-+ to 512KB to prevent a complete exhaustion of the stack entropy provided
-+ by ASLR. Finally, it places an 8MB stack resource limit on suid/sgid
-+ binaries to prevent alternative mmap layouts from being abused.
-+
-+ If you use PaX it is essential that you say Y here as it closes up
-+ several holes that make full ASLR useless locally.
-+
-+config GRKERNSEC_BRUTE
-+ bool "Deter exploit bruteforcing"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, attempts to bruteforce exploits against forking
-+ daemons such as apache or sshd, as well as against suid/sgid binaries
-+ will be deterred. When a child of a forking daemon is killed by PaX
-+ or crashes due to an illegal instruction or other suspicious signal,
-+ the parent process will be delayed 30 seconds upon every subsequent
-+ fork until the administrator is able to assess the situation and
-+ restart the daemon.
-+ In the suid/sgid case, the attempt is logged, the user has all their
-+ processes terminated, and they are prevented from executing any further
-+ processes for 15 minutes.
-+ It is recommended that you also enable signal logging in the auditing
-+ section so that logs are generated when a process triggers a suspicious
-+ signal.
-+ If the sysctl option is enabled, a sysctl option with name
-+ "deter_bruteforce" is created.
-+
-+
-+config GRKERNSEC_MODHARDEN
-+ bool "Harden module auto-loading"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on MODULES
-+ help
-+ If you say Y here, module auto-loading in response to use of some
-+ feature implemented by an unloaded module will be restricted to
-+ root users. Enabling this option helps defend against attacks
-+ by unprivileged users who abuse the auto-loading behavior to
-+ cause a vulnerable module to load that is then exploited.
-+
-+ If this option prevents a legitimate use of auto-loading for a
-+ non-root user, the administrator can execute modprobe manually
-+ with the exact name of the module mentioned in the alert log.
-+ Alternatively, the administrator can add the module to the list
-+ of modules loaded at boot by modifying init scripts.
-+
-+ Modification of init scripts will most likely be needed on
-+ Ubuntu servers with encrypted home directory support enabled,
-+ as the first non-root user logging in will cause the ecb(aes),
-+ ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded.
-+
-+config GRKERNSEC_HIDESYM
-+ bool "Hide kernel symbols"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ select PAX_USERCOPY_SLABS
-+ help
-+ If you say Y here, getting information on loaded modules, and
-+ displaying all kernel symbols through a syscall will be restricted
-+ to users with CAP_SYS_MODULE. For software compatibility reasons,
-+ /proc/kallsyms will be restricted to the root user. The RBAC
-+ system can hide that entry even from root.
-+
-+ This option also prevents leaking of kernel addresses through
-+ several /proc entries.
-+
-+ Note that this option is only effective provided the following
-+ conditions are met:
-+ 1) The kernel using grsecurity is not precompiled by some distribution
-+ 2) You have also enabled GRKERNSEC_DMESG
-+ 3) You are using the RBAC system and hiding other files such as your
-+ kernel image and System.map. Alternatively, enabling this option
-+ causes the permissions on /boot, /lib/modules, and the kernel
-+ source directory to change at compile time to prevent
-+ reading by non-root users.
-+ If the above conditions are met, this option will aid in providing a
-+ useful protection against local kernel exploitation of overflows
-+ and arbitrary read/write vulnerabilities.
-+
-+config GRKERNSEC_KERN_LOCKOUT
-+ bool "Active kernel exploit response"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on X86 || ARM || PPC || SPARC
-+ help
-+ If you say Y here, when a PaX alert is triggered due to suspicious
-+ activity in the kernel (from KERNEXEC/UDEREF/USERCOPY)
-+ or an OOPS occurs due to bad memory accesses, instead of just
-+ terminating the offending process (and potentially allowing
-+ a subsequent exploit from the same user), we will take one of two
-+ actions:
-+ If the user was root, we will panic the system
-+ If the user was non-root, we will log the attempt, terminate
-+ all processes owned by the user, then prevent them from creating
-+ any new processes until the system is restarted
-+ This deters repeated kernel exploitation/bruteforcing attempts
-+ and is useful for later forensics.
-+
-+endmenu
-+menu "Role Based Access Control Options"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_RBAC_DEBUG
-+ bool
-+
-+config GRKERNSEC_NO_RBAC
-+ bool "Disable RBAC system"
-+ help
-+ If you say Y here, the /dev/grsec device will be removed from the kernel,
-+ preventing the RBAC system from being enabled. You should only say Y
-+ here if you have no intention of using the RBAC system, so as to prevent
-+ an attacker with root access from misusing the RBAC system to hide files
-+ and processes when loadable module support and /dev/[k]mem have been
-+ locked down.
-+
-+config GRKERNSEC_ACL_HIDEKERN
-+ bool "Hide kernel processes"
-+ help
-+ If you say Y here, all kernel threads will be hidden to all
-+ processes but those whose subject has the "view hidden processes"
-+ flag.
-+
-+config GRKERNSEC_ACL_MAXTRIES
-+ int "Maximum tries before password lockout"
-+ default 3
-+ help
-+ This option enforces the maximum number of times a user can attempt
-+ to authorize themselves with the grsecurity RBAC system before being
-+ denied the ability to attempt authorization again for a specified time.
-+ The lower the number, the harder it will be to brute-force a password.
-+
-+config GRKERNSEC_ACL_TIMEOUT
-+ int "Time to wait after max password tries, in seconds"
-+ default 30
-+ help
-+ This option specifies the time the user must wait after attempting to
-+ authorize to the RBAC system with the maximum number of invalid
-+ passwords. The higher the number, the harder it will be to brute-force
-+ a password.
-+
-+endmenu
-+menu "Filesystem Protections"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_PROC
-+ bool "Proc restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, the permissions of the /proc filesystem
-+ will be altered to enhance system security and privacy. You MUST
-+ choose either a user only restriction or a user and group restriction.
-+ Depending upon the option you choose, you can either restrict users to
-+ see only the processes they themselves run, or choose a group that can
-+ view all processes and files normally restricted to root if you choose
-+ the "restrict to user only" option. NOTE: If you're running identd or
-+ ntpd as a non-root user, you will have to run it as the group you
-+ specify here.
-+
-+config GRKERNSEC_PROC_USER
-+ bool "Restrict /proc to user only"
-+ depends on GRKERNSEC_PROC
-+ help
-+ If you say Y here, non-root users will only be able to view their own
-+ processes, and restricts them from viewing network-related information,
-+ and viewing kernel symbol and module information.
-+
-+config GRKERNSEC_PROC_USERGROUP
-+ bool "Allow special group"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER
-+ help
-+ If you say Y here, you will be able to select a group that will be
-+ able to view all processes and network-related information. If you've
-+ enabled GRKERNSEC_HIDESYM, kernel and symbol information may still
-+ remain hidden. This option is useful if you want to run identd as
-+ a non-root user.
-+
-+config GRKERNSEC_PROC_GID
-+ int "GID for special group"
-+ depends on GRKERNSEC_PROC_USERGROUP
-+ default 1001
-+
-+config GRKERNSEC_PROC_ADD
-+ bool "Additional restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP
-+ help
-+ If you say Y here, additional restrictions will be placed on
-+ /proc that keep normal users from viewing device information and
-+ slabinfo information that could be useful for exploits.
-+
-+config GRKERNSEC_LINK
-+ bool "Linking restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, /tmp race exploits will be prevented, since users
-+ will no longer be able to follow symlinks owned by other users in
-+ world-writable +t directories (e.g. /tmp), unless the owner of the
-+ symlink is the owner of the directory. users will also not be
-+ able to hardlink to files they do not own. If the sysctl option is
-+ enabled, a sysctl option with name "linking_restrictions" is created.
-+
-+config GRKERNSEC_SYMLINKOWN
-+ bool "Kernel-enforced SymlinksIfOwnerMatch"
-+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
-+ help
-+ Apache's SymlinksIfOwnerMatch option has an inherent race condition
-+ that prevents it from being used as a security feature. As Apache
-+ verifies the symlink by performing a stat() against the target of
-+ the symlink before it is followed, an attacker can setup a symlink
-+ to point to a same-owned file, then replace the symlink with one
-+ that targets another user's file just after Apache "validates" the
-+ symlink -- a classic TOCTOU race. If you say Y here, a complete,
-+ race-free replacement for Apache's "SymlinksIfOwnerMatch" option
-+ will be in place for the group you specify. If the sysctl option
-+ is enabled, a sysctl option with name "enforce_symlinksifowner" is
-+ created.
-+
-+config GRKERNSEC_SYMLINKOWN_GID
-+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
-+ depends on GRKERNSEC_SYMLINKOWN
-+ default 1006
-+ help
-+ Setting this GID determines what group kernel-enforced
-+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option
-+ is enabled, a sysctl option with name "symlinkown_gid" is created.
-+
-+config GRKERNSEC_FIFO
-+ bool "FIFO restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, users will not be able to write to FIFOs they don't
-+ own in world-writable +t directories (e.g. /tmp), unless the owner of
-+ the FIFO is the same owner of the directory it's held in. If the sysctl
-+ option is enabled, a sysctl option with name "fifo_restrictions" is
-+ created.
-+
-+config GRKERNSEC_SYSFS_RESTRICT
-+ bool "Sysfs/debugfs restriction"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
-+ depends on SYSFS
-+ help
-+ If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and
-+ any filesystem normally mounted under it (e.g. debugfs) will be
-+ mostly accessible only by root. These filesystems generally provide access
-+ to hardware and debug information that isn't appropriate for unprivileged
-+ users of the system. Sysfs and debugfs have also become a large source
-+ of new vulnerabilities, ranging from infoleaks to local compromise.
-+ There has been very little oversight with an eye toward security involved
-+ in adding new exporters of information to these filesystems, so their
-+ use is discouraged.
-+ For reasons of compatibility, a few directories have been whitelisted
-+ for access by non-root users:
-+ /sys/fs/selinux
-+ /sys/fs/fuse
-+ /sys/devices/system/cpu
-+
-+config GRKERNSEC_ROFS
-+ bool "Runtime read-only mount protection"
-+ help
-+ If you say Y here, a sysctl option with name "romount_protect" will
-+ be created. By setting this option to 1 at runtime, filesystems
-+ will be protected in the following ways:
-+ * No new writable mounts will be allowed
-+ * Existing read-only mounts won't be able to be remounted read/write
-+ * Write operations will be denied on all block devices
-+ This option acts independently of grsec_lock: once it is set to 1,
-+ it cannot be turned off. Therefore, please be mindful of the resulting
-+ behavior if this option is enabled in an init script on a read-only
-+ filesystem. This feature is mainly intended for secure embedded systems.
-+
-+config GRKERNSEC_CHROOT
-+ bool "Chroot jail restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, you will be able to choose several options that will
-+ make breaking out of a chrooted jail much more difficult. If you
-+ encounter no software incompatibilities with the following options, it
-+ is recommended that you enable each one.
-+
-+config GRKERNSEC_CHROOT_MOUNT
-+ bool "Deny mounts"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to
-+ mount or remount filesystems. If the sysctl option is enabled, a
-+ sysctl option with name "chroot_deny_mount" is created.
-+
-+config GRKERNSEC_CHROOT_DOUBLE
-+ bool "Deny double-chroots"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to chroot
-+ again outside the chroot. This is a widely used method of breaking
-+ out of a chroot jail and should not be allowed. If the sysctl
-+ option is enabled, a sysctl option with name
-+ "chroot_deny_chroot" is created.
-+
-+config GRKERNSEC_CHROOT_PIVOT
-+ bool "Deny pivot_root in chroot"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to use
-+ a function called pivot_root() that was introduced in Linux 2.3.41. It
-+ works similar to chroot in that it changes the root filesystem. This
-+ function could be misused in a chrooted process to attempt to break out
-+ of the chroot, and therefore should not be allowed. If the sysctl
-+ option is enabled, a sysctl option with name "chroot_deny_pivot" is
-+ created.
-+
-+config GRKERNSEC_CHROOT_CHDIR
-+ bool "Enforce chdir(\"/\") on all chroots"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, the current working directory of all newly-chrooted
-+ applications will be set to the the root directory of the chroot.
-+ The man page on chroot(2) states:
-+ Note that this call does not change the current working
-+ directory, so that `.' can be outside the tree rooted at
-+ `/'. In particular, the super-user can escape from a
-+ `chroot jail' by doing `mkdir foo; chroot foo; cd ..'.
-+
-+ It is recommended that you say Y here, since it's not known to break
-+ any software. If the sysctl option is enabled, a sysctl option with
-+ name "chroot_enforce_chdir" is created.
-+
-+config GRKERNSEC_CHROOT_CHMOD
-+ bool "Deny (f)chmod +s"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to chmod
-+ or fchmod files to make them have suid or sgid bits. This protects
-+ against another published method of breaking a chroot. If the sysctl
-+ option is enabled, a sysctl option with name "chroot_deny_chmod" is
-+ created.
-+
-+config GRKERNSEC_CHROOT_FCHDIR
-+ bool "Deny fchdir out of chroot"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, a well-known method of breaking chroots by fchdir'ing
-+ to a file descriptor of the chrooting process that points to a directory
-+ outside the filesystem will be stopped. If the sysctl option
-+ is enabled, a sysctl option with name "chroot_deny_fchdir" is created.
-+
-+config GRKERNSEC_CHROOT_MKNOD
-+ bool "Deny mknod"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be allowed to
-+ mknod. The problem with using mknod inside a chroot is that it
-+ would allow an attacker to create a device entry that is the same
-+ as one on the physical root of your system, which could range from
-+ anything from the console device to a device for your harddrive (which
-+ they could then use to wipe the drive or steal data). It is recommended
-+ that you say Y here, unless you run into software incompatibilities.
-+ If the sysctl option is enabled, a sysctl option with name
-+ "chroot_deny_mknod" is created.
-+
-+config GRKERNSEC_CHROOT_SHMAT
-+ bool "Deny shmat() out of chroot"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to attach
-+ to shared memory segments that were created outside of the chroot jail.
-+ It is recommended that you say Y here. If the sysctl option is enabled,
-+ a sysctl option with name "chroot_deny_shmat" is created.
-+
-+config GRKERNSEC_CHROOT_UNIX
-+ bool "Deny access to abstract AF_UNIX sockets out of chroot"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to
-+ connect to abstract (meaning not belonging to a filesystem) Unix
-+ domain sockets that were bound outside of a chroot. It is recommended
-+ that you say Y here. If the sysctl option is enabled, a sysctl option
-+ with name "chroot_deny_unix" is created.
-+
-+config GRKERNSEC_CHROOT_FINDTASK
-+ bool "Protect outside processes"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to
-+ kill, send signals with fcntl, ptrace, capget, getpgid, setpgid,
-+ getsid, or view any process outside of the chroot. If the sysctl
-+ option is enabled, a sysctl option with name "chroot_findtask" is
-+ created.
-+
-+config GRKERNSEC_CHROOT_NICE
-+ bool "Restrict priority changes"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, processes inside a chroot will not be able to raise
-+ the priority of processes in the chroot, or alter the priority of
-+ processes outside the chroot. This provides more security than simply
-+ removing CAP_SYS_NICE from the process' capability set. If the
-+ sysctl option is enabled, a sysctl option with name "chroot_restrict_nice"
-+ is created.
-+
-+config GRKERNSEC_CHROOT_SYSCTL
-+ bool "Deny sysctl writes"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, an attacker in a chroot will not be able to
-+ write to sysctl entries, either by sysctl(2) or through a /proc
-+ interface. It is strongly recommended that you say Y here. If the
-+ sysctl option is enabled, a sysctl option with name
-+ "chroot_deny_sysctl" is created.
-+
-+config GRKERNSEC_CHROOT_CAPS
-+ bool "Capability restrictions"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_CHROOT
-+ help
-+ If you say Y here, the capabilities on all processes within a
-+ chroot jail will be lowered to stop module insertion, raw i/o,
-+ system and net admin tasks, rebooting the system, modifying immutable
-+ files, modifying IPC owned by another, and changing the system time.
-+ This is left an option because it can break some apps. Disable this
-+ if your chrooted apps are having problems performing those kinds of
-+ tasks. If the sysctl option is enabled, a sysctl option with
-+ name "chroot_caps" is created.
-+
-+endmenu
-+menu "Kernel Auditing"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_AUDIT_GROUP
-+ bool "Single group for auditing"
-+ help
-+ If you say Y here, the exec, chdir, and (un)mount logging features
-+ will only operate on a group you specify. This option is recommended
-+ if you only want to watch certain users instead of having a large
-+ amount of logs from the entire system. If the sysctl option is enabled,
-+ a sysctl option with name "audit_group" is created.
-+
-+config GRKERNSEC_AUDIT_GID
-+ int "GID for auditing"
-+ depends on GRKERNSEC_AUDIT_GROUP
-+ default 1007
-+
-+config GRKERNSEC_EXECLOG
-+ bool "Exec logging"
-+ help
-+ If you say Y here, all execve() calls will be logged (since the
-+ other exec*() calls are frontends to execve(), all execution
-+ will be logged). Useful for shell-servers that like to keep track
-+ of their users. If the sysctl option is enabled, a sysctl option with
-+ name "exec_logging" is created.
-+ WARNING: This option when enabled will produce a LOT of logs, especially
-+ on an active system.
-+
-+config GRKERNSEC_RESLOG
-+ bool "Resource logging"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, all attempts to overstep resource limits will
-+ be logged with the resource name, the requested size, and the current
-+ limit. It is highly recommended that you say Y here. If the sysctl
-+ option is enabled, a sysctl option with name "resource_logging" is
-+ created. If the RBAC system is enabled, the sysctl value is ignored.
-+
-+config GRKERNSEC_CHROOT_EXECLOG
-+ bool "Log execs within chroot"
-+ help
-+ If you say Y here, all executions inside a chroot jail will be logged
-+ to syslog. This can cause a large amount of logs if certain
-+ applications (eg. djb's daemontools) are installed on the system, and
-+ is therefore left as an option. If the sysctl option is enabled, a
-+ sysctl option with name "chroot_execlog" is created.
-+
-+config GRKERNSEC_AUDIT_PTRACE
-+ bool "Ptrace logging"
-+ help
-+ If you say Y here, all attempts to attach to a process via ptrace
-+ will be logged. If the sysctl option is enabled, a sysctl option
-+ with name "audit_ptrace" is created.
-+
-+config GRKERNSEC_AUDIT_CHDIR
-+ bool "Chdir logging"
-+ help
-+ If you say Y here, all chdir() calls will be logged. If the sysctl
-+ option is enabled, a sysctl option with name "audit_chdir" is created.
-+
-+config GRKERNSEC_AUDIT_MOUNT
-+ bool "(Un)Mount logging"
-+ help
-+ If you say Y here, all mounts and unmounts will be logged. If the
-+ sysctl option is enabled, a sysctl option with name "audit_mount" is
-+ created.
-+
-+config GRKERNSEC_SIGNAL
-+ bool "Signal logging"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, certain important signals will be logged, such as
-+ SIGSEGV, which will as a result inform you of when a error in a program
-+ occurred, which in some cases could mean a possible exploit attempt.
-+ If the sysctl option is enabled, a sysctl option with name
-+ "signal_logging" is created.
-+
-+config GRKERNSEC_FORKFAIL
-+ bool "Fork failure logging"
-+ help
-+ If you say Y here, all failed fork() attempts will be logged.
-+ This could suggest a fork bomb, or someone attempting to overstep
-+ their process limit. If the sysctl option is enabled, a sysctl option
-+ with name "forkfail_logging" is created.
-+
-+config GRKERNSEC_TIME
-+ bool "Time change logging"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, any changes of the system clock will be logged.
-+ If the sysctl option is enabled, a sysctl option with name
-+ "timechange_logging" is created.
-+
-+config GRKERNSEC_PROC_IPADDR
-+ bool "/proc/<pid>/ipaddr support"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, a new entry will be added to each /proc/<pid>
-+ directory that contains the IP address of the person using the task.
-+ The IP is carried across local TCP and AF_UNIX stream sockets.
-+ This information can be useful for IDS/IPSes to perform remote response
-+ to a local attack. The entry is readable by only the owner of the
-+ process (and root if he has CAP_DAC_OVERRIDE, which can be removed via
-+ the RBAC system), and thus does not create privacy concerns.
-+
-+config GRKERNSEC_RWXMAP_LOG
-+ bool 'Denied RWX mmap/mprotect logging'
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT
-+ help
-+ If you say Y here, calls to mmap() and mprotect() with explicit
-+ usage of PROT_WRITE and PROT_EXEC together will be logged when
-+ denied by the PAX_MPROTECT feature. If the sysctl option is
-+ enabled, a sysctl option with name "rwxmap_logging" is created.
-+
-+config GRKERNSEC_AUDIT_TEXTREL
-+ bool 'ELF text relocations logging (READ HELP)'
-+ depends on PAX_MPROTECT
-+ help
-+ If you say Y here, text relocations will be logged with the filename
-+ of the offending library or binary. The purpose of the feature is
-+ to help Linux distribution developers get rid of libraries and
-+ binaries that need text relocations which hinder the future progress
-+ of PaX. Only Linux distribution developers should say Y here, and
-+ never on a production machine, as this option creates an information
-+ leak that could aid an attacker in defeating the randomization of
-+ a single memory region. If the sysctl option is enabled, a sysctl
-+ option with name "audit_textrel" is created.
-+
-+endmenu
-+
-+menu "Executable Protections"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_DMESG
-+ bool "Dmesg(8) restriction"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, non-root users will not be able to use dmesg(8)
-+ to view up to the last 4kb of messages in the kernel's log buffer.
-+ The kernel's log buffer often contains kernel addresses and other
-+ identifying information useful to an attacker in fingerprinting a
-+ system for a targeted exploit.
-+ If the sysctl option is enabled, a sysctl option with name "dmesg" is
-+ created.
-+
-+config GRKERNSEC_HARDEN_PTRACE
-+ bool "Deter ptrace-based process snooping"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, TTY sniffers and other malicious monitoring
-+ programs implemented through ptrace will be defeated. If you
-+ have been using the RBAC system, this option has already been
-+ enabled for several years for all users, with the ability to make
-+ fine-grained exceptions.
-+
-+ This option only affects the ability of non-root users to ptrace
-+ processes that are not a descendent of the ptracing process.
-+ This means that strace ./binary and gdb ./binary will still work,
-+ but attaching to arbitrary processes will not. If the sysctl
-+ option is enabled, a sysctl option with name "harden_ptrace" is
-+ created.
-+
-+config GRKERNSEC_PTRACE_READEXEC
-+ bool "Require read access to ptrace sensitive binaries"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, unprivileged users will not be able to ptrace unreadable
-+ binaries. This option is useful in environments that
-+ remove the read bits (e.g. file mode 4711) from suid binaries to
-+ prevent infoleaking of their contents. This option adds
-+ consistency to the use of that file mode, as the binary could normally
-+ be read out when run without privileges while ptracing.
-+
-+ If the sysctl option is enabled, a sysctl option with name "ptrace_readexec"
-+ is created.
-+
-+config GRKERNSEC_SETXID
-+ bool "Enforce consistent multithreaded privileges"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on (X86 || SPARC64 || PPC || ARM || MIPS)
-+ help
-+ If you say Y here, a change from a root uid to a non-root uid
-+ in a multithreaded application will cause the resulting uids,
-+ gids, supplementary groups, and capabilities in that thread
-+ to be propagated to the other threads of the process. In most
-+ cases this is unnecessary, as glibc will emulate this behavior
-+ on behalf of the application. Other libcs do not act in the
-+ same way, allowing the other threads of the process to continue
-+ running with root privileges. If the sysctl option is enabled,
-+ a sysctl option with name "consistent_setxid" is created.
-+
-+config GRKERNSEC_TPE
-+ bool "Trusted Path Execution (TPE)"
-+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
-+ help
-+ If you say Y here, you will be able to choose a gid to add to the
-+ supplementary groups of users you want to mark as "untrusted."
-+ These users will not be able to execute any files that are not in
-+ root-owned directories writable only by root. If the sysctl option
-+ is enabled, a sysctl option with name "tpe" is created.
-+
-+config GRKERNSEC_TPE_ALL
-+ bool "Partially restrict all non-root users"
-+ depends on GRKERNSEC_TPE
-+ help
-+ If you say Y here, all non-root users will be covered under
-+ a weaker TPE restriction. This is separate from, and in addition to,
-+ the main TPE options that you have selected elsewhere. Thus, if a
-+ "trusted" GID is chosen, this restriction applies to even that GID.
-+ Under this restriction, all non-root users will only be allowed to
-+ execute files in directories they own that are not group or
-+ world-writable, or in directories owned by root and writable only by
-+ root. If the sysctl option is enabled, a sysctl option with name
-+ "tpe_restrict_all" is created.
-+
-+config GRKERNSEC_TPE_INVERT
-+ bool "Invert GID option"
-+ depends on GRKERNSEC_TPE
-+ help
-+ If you say Y here, the group you specify in the TPE configuration will
-+ decide what group TPE restrictions will be *disabled* for. This
-+ option is useful if you want TPE restrictions to be applied to most
-+ users on the system. If the sysctl option is enabled, a sysctl option
-+ with name "tpe_invert" is created. Unlike other sysctl options, this
-+ entry will default to on for backward-compatibility.
-+
-+config GRKERNSEC_TPE_GID
-+ int "GID for untrusted users"
-+ depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT
-+ default 1005
-+ help
-+ Setting this GID determines what group TPE restrictions will be
-+ *enabled* for. If the sysctl option is enabled, a sysctl option
-+ with name "tpe_gid" is created.
-+
-+config GRKERNSEC_TPE_GID
-+ int "GID for trusted users"
-+ depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT
-+ default 1005
-+ help
-+ Setting this GID determines what group TPE restrictions will be
-+ *disabled* for. If the sysctl option is enabled, a sysctl option
-+ with name "tpe_gid" is created.
-+
-+endmenu
-+menu "Network Protections"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_RANDNET
-+ bool "Larger entropy pools"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, the entropy pools used for many features of Linux
-+ and grsecurity will be doubled in size. Since several grsecurity
-+ features use additional randomness, it is recommended that you say Y
-+ here. Saying Y here has a similar effect as modifying
-+ /proc/sys/kernel/random/poolsize.
-+
-+config GRKERNSEC_BLACKHOLE
-+ bool "TCP/UDP blackhole and LAST_ACK DoS prevention"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on NET
-+ help
-+ If you say Y here, neither TCP resets nor ICMP
-+ destination-unreachable packets will be sent in response to packets
-+ sent to ports for which no associated listening process exists.
-+ This feature supports both IPV4 and IPV6 and exempts the
-+ loopback interface from blackholing. Enabling this feature
-+ makes a host more resilient to DoS attacks and reduces network
-+ visibility against scanners.
-+
-+ The blackhole feature as-implemented is equivalent to the FreeBSD
-+ blackhole feature, as it prevents RST responses to all packets, not
-+ just SYNs. Under most application behavior this causes no
-+ problems, but applications (like haproxy) may not close certain
-+ connections in a way that cleanly terminates them on the remote
-+ end, leaving the remote host in LAST_ACK state. Because of this
-+ side-effect and to prevent intentional LAST_ACK DoSes, this
-+ feature also adds automatic mitigation against such attacks.
-+ The mitigation drastically reduces the amount of time a socket
-+ can spend in LAST_ACK state. If you're using haproxy and not
-+ all servers it connects to have this option enabled, consider
-+ disabling this feature on the haproxy host.
-+
-+ If the sysctl option is enabled, two sysctl options with names
-+ "ip_blackhole" and "lastack_retries" will be created.
-+ While "ip_blackhole" takes the standard zero/non-zero on/off
-+ toggle, "lastack_retries" uses the same kinds of values as
-+ "tcp_retries1" and "tcp_retries2". The default value of 4
-+ prevents a socket from lasting more than 45 seconds in LAST_ACK
-+ state.
-+
-+config GRKERNSEC_SOCKET
-+ bool "Socket restrictions"
-+ depends on NET
-+ help
-+ If you say Y here, you will be able to choose from several options.
-+ If you assign a GID on your system and add it to the supplementary
-+ groups of users you want to restrict socket access to, this patch
-+ will perform up to three things, based on the option(s) you choose.
-+
-+config GRKERNSEC_SOCKET_ALL
-+ bool "Deny any sockets to group"
-+ depends on GRKERNSEC_SOCKET
-+ help
-+ If you say Y here, you will be able to choose a GID of whose users will
-+ be unable to connect to other hosts from your machine or run server
-+ applications from your machine. If the sysctl option is enabled, a
-+ sysctl option with name "socket_all" is created.
-+
-+config GRKERNSEC_SOCKET_ALL_GID
-+ int "GID to deny all sockets for"
-+ depends on GRKERNSEC_SOCKET_ALL
-+ default 1004
-+ help
-+ Here you can choose the GID to disable socket access for. Remember to
-+ add the users you want socket access disabled for to the GID
-+ specified here. If the sysctl option is enabled, a sysctl option
-+ with name "socket_all_gid" is created.
-+
-+config GRKERNSEC_SOCKET_CLIENT
-+ bool "Deny client sockets to group"
-+ depends on GRKERNSEC_SOCKET
-+ help
-+ If you say Y here, you will be able to choose a GID of whose users will
-+ be unable to connect to other hosts from your machine, but will be
-+ able to run servers. If this option is enabled, all users in the group
-+ you specify will have to use passive mode when initiating ftp transfers
-+ from the shell on your machine. If the sysctl option is enabled, a
-+ sysctl option with name "socket_client" is created.
-+
-+config GRKERNSEC_SOCKET_CLIENT_GID
-+ int "GID to deny client sockets for"
-+ depends on GRKERNSEC_SOCKET_CLIENT
-+ default 1003
-+ help
-+ Here you can choose the GID to disable client socket access for.
-+ Remember to add the users you want client socket access disabled for to
-+ the GID specified here. If the sysctl option is enabled, a sysctl
-+ option with name "socket_client_gid" is created.
-+
-+config GRKERNSEC_SOCKET_SERVER
-+ bool "Deny server sockets to group"
-+ depends on GRKERNSEC_SOCKET
-+ help
-+ If you say Y here, you will be able to choose a GID of whose users will
-+ be unable to run server applications from your machine. If the sysctl
-+ option is enabled, a sysctl option with name "socket_server" is created.
-+
-+config GRKERNSEC_SOCKET_SERVER_GID
-+ int "GID to deny server sockets for"
-+ depends on GRKERNSEC_SOCKET_SERVER
-+ default 1002
-+ help
-+ Here you can choose the GID to disable server socket access for.
-+ Remember to add the users you want server socket access disabled for to
-+ the GID specified here. If the sysctl option is enabled, a sysctl
-+ option with name "socket_server_gid" is created.
-+
-+endmenu
-+menu "Sysctl Support"
-+depends on GRKERNSEC && SYSCTL
-+
-+config GRKERNSEC_SYSCTL
-+ bool "Sysctl support"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ If you say Y here, you will be able to change the options that
-+ grsecurity runs with at bootup, without having to recompile your
-+ kernel. You can echo values to files in /proc/sys/kernel/grsecurity
-+ to enable (1) or disable (0) various features. All the sysctl entries
-+ are mutable until the "grsec_lock" entry is set to a non-zero value.
-+ All features enabled in the kernel configuration are disabled at boot
-+ if you do not say Y to the "Turn on features by default" option.
-+ All options should be set at startup, and the grsec_lock entry should
-+ be set to a non-zero value after all the options are set.
-+ *THIS IS EXTREMELY IMPORTANT*
-+
-+config GRKERNSEC_SYSCTL_DISTRO
-+ bool "Extra sysctl support for distro makers (READ HELP)"
-+ depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO
-+ help
-+ If you say Y here, additional sysctl options will be created
-+ for features that affect processes running as root. Therefore,
-+ it is critical when using this option that the grsec_lock entry be
-+ enabled after boot. Only distros with prebuilt kernel packages
-+ with this option enabled that can ensure grsec_lock is enabled
-+ after boot should use this option.
-+ *Failure to set grsec_lock after boot makes all grsec features
-+ this option covers useless*
-+
-+ Currently this option creates the following sysctl entries:
-+ "Disable Privileged I/O": "disable_priv_io"
-+
-+config GRKERNSEC_SYSCTL_ON
-+ bool "Turn on features by default"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC_SYSCTL
-+ help
-+ If you say Y here, instead of having all features enabled in the
-+ kernel configuration disabled at boot time, the features will be
-+ enabled at boot time. It is recommended you say Y here unless
-+ there is some reason you would want all sysctl-tunable features to
-+ be disabled by default. As mentioned elsewhere, it is important
-+ to enable the grsec_lock entry once you have finished modifying
-+ the sysctl entries.
-+
-+endmenu
-+menu "Logging Options"
-+depends on GRKERNSEC
-+
-+config GRKERNSEC_FLOODTIME
-+ int "Seconds in between log messages (minimum)"
-+ default 10
-+ help
-+ This option allows you to enforce the number of seconds between
-+ grsecurity log messages. The default should be suitable for most
-+ people, however, if you choose to change it, choose a value small enough
-+ to allow informative logs to be produced, but large enough to
-+ prevent flooding.
-+
-+config GRKERNSEC_FLOODBURST
-+ int "Number of messages in a burst (maximum)"
-+ default 6
-+ help
-+ This option allows you to choose the maximum number of messages allowed
-+ within the flood time interval you chose in a separate option. The
-+ default should be suitable for most people, however if you find that
-+ many of your logs are being interpreted as flooding, you may want to
-+ raise this value.
-+
-+endmenu
-diff --git a/grsecurity/Makefile b/grsecurity/Makefile
-new file mode 100644
-index 0000000..1b9afa9
---- /dev/null
-+++ b/grsecurity/Makefile
-@@ -0,0 +1,38 @@
-+# grsecurity's ACL system was originally written in 2001 by Michael Dalton
-+# during 2001-2009 it has been completely redesigned by Brad Spengler
-+# into an RBAC system
-+#
-+# All code in this directory and various hooks inserted throughout the kernel
-+# are copyright Brad Spengler - Open Source Security, Inc., and released
-+# under the GPL v2 or higher
-+
-+KBUILD_CFLAGS += -Werror
-+
-+obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \
-+ grsec_mount.o grsec_sig.o grsec_sysctl.o \
-+ grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o
-+
-+obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \
-+ gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \
-+ gracl_learn.o grsec_log.o
-+obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o
-+
-+ifdef CONFIG_NET
-+obj-y += grsec_sock.o
-+obj-$(CONFIG_GRKERNSEC) += gracl_ip.o
-+endif
-+
-+ifndef CONFIG_GRKERNSEC
-+obj-y += grsec_disabled.o
-+endif
-+
-+ifdef CONFIG_GRKERNSEC_HIDESYM
-+extra-y := grsec_hidesym.o
-+$(obj)/grsec_hidesym.o:
-+ @-chmod -f 500 /boot
-+ @-chmod -f 500 /lib/modules
-+ @-chmod -f 500 /lib64/modules
-+ @-chmod -f 500 /lib32/modules
-+ @-chmod -f 700 .
-+ @echo ' grsec: protected kernel image paths'
-+endif
-diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c
-new file mode 100644
-index 0000000..1561617
---- /dev/null
-+++ b/grsecurity/gracl.c
-@@ -0,0 +1,4017 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/namei.h>
-+#include <linux/mount.h>
-+#include <linux/tty.h>
-+#include <linux/proc_fs.h>
-+#include <linux/lglock.h>
-+#include <linux/slab.h>
-+#include <linux/vmalloc.h>
-+#include <linux/types.h>
-+#include <linux/sysctl.h>
-+#include <linux/netdevice.h>
-+#include <linux/ptrace.h>
-+#include <linux/gracl.h>
-+#include <linux/gralloc.h>
-+#include <linux/security.h>
-+#include <linux/grinternal.h>
-+#include <linux/pid_namespace.h>
-+#include <linux/stop_machine.h>
-+#include <linux/fdtable.h>
-+#include <linux/percpu.h>
-+#include <linux/lglock.h>
-+#include "../fs/mount.h"
-+
-+#include <asm/uaccess.h>
-+#include <asm/errno.h>
-+#include <asm/mman.h>
-+
-+extern struct lglock vfsmount_lock;
-+
-+static struct acl_role_db acl_role_set;
-+static struct name_db name_set;
-+static struct inodev_db inodev_set;
-+
-+/* for keeping track of userspace pointers used for subjects, so we
-+ can share references in the kernel as well
-+*/
-+
-+static struct path real_root;
-+
-+static struct acl_subj_map_db subj_map_set;
-+
-+static struct acl_role_label *default_role;
-+
-+static struct acl_role_label *role_list;
-+
-+static u16 acl_sp_role_value;
-+
-+extern char *gr_shared_page[4];
-+static DEFINE_MUTEX(gr_dev_mutex);
-+DEFINE_RWLOCK(gr_inode_lock);
-+
-+struct gr_arg *gr_usermode;
-+
-+static unsigned int gr_status __read_only = GR_STATUS_INIT;
-+
-+extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum);
-+extern void gr_clear_learn_entries(void);
-+
-+#ifdef CONFIG_GRKERNSEC_RESLOG
-+extern void gr_log_resource(const struct task_struct *task,
-+ const int res, const unsigned long wanted, const int gt);
-+#endif
-+
-+unsigned char *gr_system_salt;
-+unsigned char *gr_system_sum;
-+
-+static struct sprole_pw **acl_special_roles = NULL;
-+static __u16 num_sprole_pws = 0;
-+
-+static struct acl_role_label *kernel_role = NULL;
-+
-+static unsigned int gr_auth_attempts = 0;
-+static unsigned long gr_auth_expires = 0UL;
-+
-+#ifdef CONFIG_NET
-+extern struct vfsmount *sock_mnt;
-+#endif
-+
-+extern struct vfsmount *pipe_mnt;
-+extern struct vfsmount *shm_mnt;
-+#ifdef CONFIG_HUGETLBFS
-+extern struct vfsmount *hugetlbfs_vfsmount;
-+#endif
-+
-+static struct acl_object_label *fakefs_obj_rw;
-+static struct acl_object_label *fakefs_obj_rwx;
-+
-+extern int gr_init_uidset(void);
-+extern void gr_free_uidset(void);
-+extern void gr_remove_uid(uid_t uid);
-+extern int gr_find_uid(uid_t uid);
-+
-+__inline__ int
-+gr_acl_is_enabled(void)
-+{
-+ return (gr_status & GR_READY);
-+}
-+
-+#ifdef CONFIG_BTRFS_FS
-+extern dev_t get_btrfs_dev_from_inode(struct inode *inode);
-+extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
-+#endif
-+
-+static inline dev_t __get_dev(const struct dentry *dentry)
-+{
-+#ifdef CONFIG_BTRFS_FS
-+ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr)
-+ return get_btrfs_dev_from_inode(dentry->d_inode);
-+ else
-+#endif
-+ return dentry->d_inode->i_sb->s_dev;
-+}
-+
-+dev_t gr_get_dev_from_dentry(struct dentry *dentry)
-+{
-+ return __get_dev(dentry);
-+}
-+
-+static char gr_task_roletype_to_char(struct task_struct *task)
-+{
-+ switch (task->role->roletype &
-+ (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP |
-+ GR_ROLE_SPECIAL)) {
-+ case GR_ROLE_DEFAULT:
-+ return 'D';
-+ case GR_ROLE_USER:
-+ return 'U';
-+ case GR_ROLE_GROUP:
-+ return 'G';
-+ case GR_ROLE_SPECIAL:
-+ return 'S';
-+ }
-+
-+ return 'X';
-+}
-+
-+char gr_roletype_to_char(void)
-+{
-+ return gr_task_roletype_to_char(current);
-+}
-+
-+__inline__ int
-+gr_acl_tpe_check(void)
-+{
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+ if (current->role->roletype & GR_ROLE_TPE)
-+ return 1;
-+ else
-+ return 0;
-+}
-+
-+int
-+gr_handle_rawio(const struct inode *inode)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ if (inode && S_ISBLK(inode->i_mode) &&
-+ grsec_enable_chroot_caps && proc_is_chrooted(current) &&
-+ !capable(CAP_SYS_RAWIO))
-+ return 1;
-+#endif
-+ return 0;
-+}
-+
-+static int
-+gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb)
-+{
-+ if (likely(lena != lenb))
-+ return 0;
-+
-+ return !memcmp(a, b, lena);
-+}
-+
-+static int prepend(char **buffer, int *buflen, const char *str, int namelen)
-+{
-+ *buflen -= namelen;
-+ if (*buflen < 0)
-+ return -ENAMETOOLONG;
-+ *buffer -= namelen;
-+ memcpy(*buffer, str, namelen);
-+ return 0;
-+}
-+
-+static int prepend_name(char **buffer, int *buflen, struct qstr *name)
-+{
-+ return prepend(buffer, buflen, name->name, name->len);
-+}
-+
-+static int prepend_path(const struct path *path, struct path *root,
-+ char **buffer, int *buflen)
-+{
-+ struct dentry *dentry = path->dentry;
-+ struct vfsmount *vfsmnt = path->mnt;
-+ struct mount *mnt = real_mount(vfsmnt);
-+ bool slash = false;
-+ int error = 0;
-+
-+ while (dentry != root->dentry || vfsmnt != root->mnt) {
-+ struct dentry * parent;
-+
-+ if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) {
-+ /* Global root? */
-+ if (!mnt_has_parent(mnt)) {
-+ goto out;
-+ }
-+ dentry = mnt->mnt_mountpoint;
-+ mnt = mnt->mnt_parent;
-+ vfsmnt = &mnt->mnt;
-+ continue;
-+ }
-+ parent = dentry->d_parent;
-+ prefetch(parent);
-+ spin_lock(&dentry->d_lock);
-+ error = prepend_name(buffer, buflen, &dentry->d_name);
-+ spin_unlock(&dentry->d_lock);
-+ if (!error)
-+ error = prepend(buffer, buflen, "/", 1);
-+ if (error)
-+ break;
-+
-+ slash = true;
-+ dentry = parent;
-+ }
-+
-+out:
-+ if (!error && !slash)
-+ error = prepend(buffer, buflen, "/", 1);
-+
-+ return error;
-+}
-+
-+/* this must be called with vfsmount_lock and rename_lock held */
-+
-+static char *__our_d_path(const struct path *path, struct path *root,
-+ char *buf, int buflen)
-+{
-+ char *res = buf + buflen;
-+ int error;
-+
-+ prepend(&res, &buflen, "\0", 1);
-+ error = prepend_path(path, root, &res, &buflen);
-+ if (error)
-+ return ERR_PTR(error);
-+
-+ return res;
-+}
-+
-+static char *
-+gen_full_path(struct path *path, struct path *root, char *buf, int buflen)
-+{
-+ char *retval;
-+
-+ retval = __our_d_path(path, root, buf, buflen);
-+ if (unlikely(IS_ERR(retval)))
-+ retval = strcpy(buf, "<path too long>");
-+ else if (unlikely(retval[1] == '/' && retval[2] == '\0'))
-+ retval[1] = '\0';
-+
-+ return retval;
-+}
-+
-+static char *
-+__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
-+ char *buf, int buflen)
-+{
-+ struct path path;
-+ char *res;
-+
-+ path.dentry = (struct dentry *)dentry;
-+ path.mnt = (struct vfsmount *)vfsmnt;
-+
-+ /* we can use real_root.dentry, real_root.mnt, because this is only called
-+ by the RBAC system */
-+ res = gen_full_path(&path, &real_root, buf, buflen);
-+
-+ return res;
-+}
-+
-+static char *
-+d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
-+ char *buf, int buflen)
-+{
-+ char *res;
-+ struct path path;
-+ struct path root;
-+ struct task_struct *reaper = init_pid_ns.child_reaper;
-+
-+ path.dentry = (struct dentry *)dentry;
-+ path.mnt = (struct vfsmount *)vfsmnt;
-+
-+ /* we can't use real_root.dentry, real_root.mnt, because they belong only to the RBAC system */
-+ get_fs_root(reaper->fs, &root);
-+
-+ write_seqlock(&rename_lock);
-+ br_read_lock(&vfsmount_lock);
-+ res = gen_full_path(&path, &root, buf, buflen);
-+ br_read_unlock(&vfsmount_lock);
-+ write_sequnlock(&rename_lock);
-+
-+ path_put(&root);
-+ return res;
-+}
-+
-+static char *
-+gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ char *ret;
-+ write_seqlock(&rename_lock);
-+ br_read_lock(&vfsmount_lock);
-+ ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
-+ PAGE_SIZE);
-+ br_read_unlock(&vfsmount_lock);
-+ write_sequnlock(&rename_lock);
-+ return ret;
-+}
-+
-+static char *
-+gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ char *ret;
-+ char *buf;
-+ int buflen;
-+
-+ write_seqlock(&rename_lock);
-+ br_read_lock(&vfsmount_lock);
-+ buf = per_cpu_ptr(gr_shared_page[0], smp_processor_id());
-+ ret = __d_real_path(dentry, mnt, buf, PAGE_SIZE - 6);
-+ buflen = (int)(ret - buf);
-+ if (buflen >= 5)
-+ prepend(&ret, &buflen, "/proc", 5);
-+ else
-+ ret = strcpy(buf, "<path too long>");
-+ br_read_unlock(&vfsmount_lock);
-+ write_sequnlock(&rename_lock);
-+ return ret;
-+}
-+
-+char *
-+gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
-+ PAGE_SIZE);
-+}
-+
-+char *
-+gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
-+ PAGE_SIZE);
-+}
-+
-+char *
-+gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()),
-+ PAGE_SIZE);
-+}
-+
-+char *
-+gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()),
-+ PAGE_SIZE);
-+}
-+
-+char *
-+gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()),
-+ PAGE_SIZE);
-+}
-+
-+__inline__ __u32
-+to_gr_audit(const __u32 reqmode)
-+{
-+ /* masks off auditable permission flags, then shifts them to create
-+ auditing flags, and adds the special case of append auditing if
-+ we're requesting write */
-+ return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0));
-+}
-+
-+struct acl_subject_label *
-+lookup_subject_map(const struct acl_subject_label *userp)
-+{
-+ unsigned int index = shash(userp, subj_map_set.s_size);
-+ struct subject_map *match;
-+
-+ match = subj_map_set.s_hash[index];
-+
-+ while (match && match->user != userp)
-+ match = match->next;
-+
-+ if (match != NULL)
-+ return match->kernel;
-+ else
-+ return NULL;
-+}
-+
-+static void
-+insert_subj_map_entry(struct subject_map *subjmap)
-+{
-+ unsigned int index = shash(subjmap->user, subj_map_set.s_size);
-+ struct subject_map **curr;
-+
-+ subjmap->prev = NULL;
-+
-+ curr = &subj_map_set.s_hash[index];
-+ if (*curr != NULL)
-+ (*curr)->prev = subjmap;
-+
-+ subjmap->next = *curr;
-+ *curr = subjmap;
-+
-+ return;
-+}
-+
-+static struct acl_role_label *
-+lookup_acl_role_label(const struct task_struct *task, const uid_t uid,
-+ const gid_t gid)
-+{
-+ unsigned int index = rhash(uid, GR_ROLE_USER, acl_role_set.r_size);
-+ struct acl_role_label *match;
-+ struct role_allowed_ip *ipp;
-+ unsigned int x;
-+ u32 curr_ip = task->signal->curr_ip;
-+
-+ task->signal->saved_ip = curr_ip;
-+
-+ match = acl_role_set.r_hash[index];
-+
-+ while (match) {
-+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) {
-+ for (x = 0; x < match->domain_child_num; x++) {
-+ if (match->domain_children[x] == uid)
-+ goto found;
-+ }
-+ } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER)
-+ break;
-+ match = match->next;
-+ }
-+found:
-+ if (match == NULL) {
-+ try_group:
-+ index = rhash(gid, GR_ROLE_GROUP, acl_role_set.r_size);
-+ match = acl_role_set.r_hash[index];
-+
-+ while (match) {
-+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) {
-+ for (x = 0; x < match->domain_child_num; x++) {
-+ if (match->domain_children[x] == gid)
-+ goto found2;
-+ }
-+ } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP)
-+ break;
-+ match = match->next;
-+ }
-+found2:
-+ if (match == NULL)
-+ match = default_role;
-+ if (match->allowed_ips == NULL)
-+ return match;
-+ else {
-+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
-+ if (likely
-+ ((ntohl(curr_ip) & ipp->netmask) ==
-+ (ntohl(ipp->addr) & ipp->netmask)))
-+ return match;
-+ }
-+ match = default_role;
-+ }
-+ } else if (match->allowed_ips == NULL) {
-+ return match;
-+ } else {
-+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
-+ if (likely
-+ ((ntohl(curr_ip) & ipp->netmask) ==
-+ (ntohl(ipp->addr) & ipp->netmask)))
-+ return match;
-+ }
-+ goto try_group;
-+ }
-+
-+ return match;
-+}
-+
-+struct acl_subject_label *
-+lookup_acl_subj_label(const ino_t ino, const dev_t dev,
-+ const struct acl_role_label *role)
-+{
-+ unsigned int index = fhash(ino, dev, role->subj_hash_size);
-+ struct acl_subject_label *match;
-+
-+ match = role->subj_hash[index];
-+
-+ while (match && (match->inode != ino || match->device != dev ||
-+ (match->mode & GR_DELETED))) {
-+ match = match->next;
-+ }
-+
-+ if (match && !(match->mode & GR_DELETED))
-+ return match;
-+ else
-+ return NULL;
-+}
-+
-+struct acl_subject_label *
-+lookup_acl_subj_label_deleted(const ino_t ino, const dev_t dev,
-+ const struct acl_role_label *role)
-+{
-+ unsigned int index = fhash(ino, dev, role->subj_hash_size);
-+ struct acl_subject_label *match;
-+
-+ match = role->subj_hash[index];
-+
-+ while (match && (match->inode != ino || match->device != dev ||
-+ !(match->mode & GR_DELETED))) {
-+ match = match->next;
-+ }
-+
-+ if (match && (match->mode & GR_DELETED))
-+ return match;
-+ else
-+ return NULL;
-+}
-+
-+static struct acl_object_label *
-+lookup_acl_obj_label(const ino_t ino, const dev_t dev,
-+ const struct acl_subject_label *subj)
-+{
-+ unsigned int index = fhash(ino, dev, subj->obj_hash_size);
-+ struct acl_object_label *match;
-+
-+ match = subj->obj_hash[index];
-+
-+ while (match && (match->inode != ino || match->device != dev ||
-+ (match->mode & GR_DELETED))) {
-+ match = match->next;
-+ }
-+
-+ if (match && !(match->mode & GR_DELETED))
-+ return match;
-+ else
-+ return NULL;
-+}
-+
-+static struct acl_object_label *
-+lookup_acl_obj_label_create(const ino_t ino, const dev_t dev,
-+ const struct acl_subject_label *subj)
-+{
-+ unsigned int index = fhash(ino, dev, subj->obj_hash_size);
-+ struct acl_object_label *match;
-+
-+ match = subj->obj_hash[index];
-+
-+ while (match && (match->inode != ino || match->device != dev ||
-+ !(match->mode & GR_DELETED))) {
-+ match = match->next;
-+ }
-+
-+ if (match && (match->mode & GR_DELETED))
-+ return match;
-+
-+ match = subj->obj_hash[index];
-+
-+ while (match && (match->inode != ino || match->device != dev ||
-+ (match->mode & GR_DELETED))) {
-+ match = match->next;
-+ }
-+
-+ if (match && !(match->mode & GR_DELETED))
-+ return match;
-+ else
-+ return NULL;
-+}
-+
-+static struct name_entry *
-+lookup_name_entry(const char *name)
-+{
-+ unsigned int len = strlen(name);
-+ unsigned int key = full_name_hash(name, len);
-+ unsigned int index = key % name_set.n_size;
-+ struct name_entry *match;
-+
-+ match = name_set.n_hash[index];
-+
-+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len)))
-+ match = match->next;
-+
-+ return match;
-+}
-+
-+static struct name_entry *
-+lookup_name_entry_create(const char *name)
-+{
-+ unsigned int len = strlen(name);
-+ unsigned int key = full_name_hash(name, len);
-+ unsigned int index = key % name_set.n_size;
-+ struct name_entry *match;
-+
-+ match = name_set.n_hash[index];
-+
-+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
-+ !match->deleted))
-+ match = match->next;
-+
-+ if (match && match->deleted)
-+ return match;
-+
-+ match = name_set.n_hash[index];
-+
-+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
-+ match->deleted))
-+ match = match->next;
-+
-+ if (match && !match->deleted)
-+ return match;
-+ else
-+ return NULL;
-+}
-+
-+static struct inodev_entry *
-+lookup_inodev_entry(const ino_t ino, const dev_t dev)
-+{
-+ unsigned int index = fhash(ino, dev, inodev_set.i_size);
-+ struct inodev_entry *match;
-+
-+ match = inodev_set.i_hash[index];
-+
-+ while (match && (match->nentry->inode != ino || match->nentry->device != dev))
-+ match = match->next;
-+
-+ return match;
-+}
-+
-+static void
-+insert_inodev_entry(struct inodev_entry *entry)
-+{
-+ unsigned int index = fhash(entry->nentry->inode, entry->nentry->device,
-+ inodev_set.i_size);
-+ struct inodev_entry **curr;
-+
-+ entry->prev = NULL;
-+
-+ curr = &inodev_set.i_hash[index];
-+ if (*curr != NULL)
-+ (*curr)->prev = entry;
-+
-+ entry->next = *curr;
-+ *curr = entry;
-+
-+ return;
-+}
-+
-+static void
-+__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid)
-+{
-+ unsigned int index =
-+ rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), acl_role_set.r_size);
-+ struct acl_role_label **curr;
-+ struct acl_role_label *tmp, *tmp2;
-+
-+ curr = &acl_role_set.r_hash[index];
-+
-+ /* simple case, slot is empty, just set it to our role */
-+ if (*curr == NULL) {
-+ *curr = role;
-+ } else {
-+ /* example:
-+ 1 -> 2 -> 3 (adding 2 -> 3 to here)
-+ 2 -> 3
-+ */
-+ /* first check to see if we can already be reached via this slot */
-+ tmp = *curr;
-+ while (tmp && tmp != role)
-+ tmp = tmp->next;
-+ if (tmp == role) {
-+ /* we don't need to add ourselves to this slot's chain */
-+ return;
-+ }
-+ /* we need to add ourselves to this chain, two cases */
-+ if (role->next == NULL) {
-+ /* simple case, append the current chain to our role */
-+ role->next = *curr;
-+ *curr = role;
-+ } else {
-+ /* 1 -> 2 -> 3 -> 4
-+ 2 -> 3 -> 4
-+ 3 -> 4 (adding 1 -> 2 -> 3 -> 4 to here)
-+ */
-+ /* trickier case: walk our role's chain until we find
-+ the role for the start of the current slot's chain */
-+ tmp = role;
-+ tmp2 = *curr;
-+ while (tmp->next && tmp->next != tmp2)
-+ tmp = tmp->next;
-+ if (tmp->next == tmp2) {
-+ /* from example above, we found 3, so just
-+ replace this slot's chain with ours */
-+ *curr = role;
-+ } else {
-+ /* we didn't find a subset of our role's chain
-+ in the current slot's chain, so append their
-+ chain to ours, and set us as the first role in
-+ the slot's chain
-+
-+ we could fold this case with the case above,
-+ but making it explicit for clarity
-+ */
-+ tmp->next = tmp2;
-+ *curr = role;
-+ }
-+ }
-+ }
-+
-+ return;
-+}
-+
-+static void
-+insert_acl_role_label(struct acl_role_label *role)
-+{
-+ int i;
-+
-+ if (role_list == NULL) {
-+ role_list = role;
-+ role->prev = NULL;
-+ } else {
-+ role->prev = role_list;
-+ role_list = role;
-+ }
-+
-+ /* used for hash chains */
-+ role->next = NULL;
-+
-+ if (role->roletype & GR_ROLE_DOMAIN) {
-+ for (i = 0; i < role->domain_child_num; i++)
-+ __insert_acl_role_label(role, role->domain_children[i]);
-+ } else
-+ __insert_acl_role_label(role, role->uidgid);
-+}
-+
-+static int
-+insert_name_entry(char *name, const ino_t inode, const dev_t device, __u8 deleted)
-+{
-+ struct name_entry **curr, *nentry;
-+ struct inodev_entry *ientry;
-+ unsigned int len = strlen(name);
-+ unsigned int key = full_name_hash(name, len);
-+ unsigned int index = key % name_set.n_size;
-+
-+ curr = &name_set.n_hash[index];
-+
-+ while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len)))
-+ curr = &((*curr)->next);
-+
-+ if (*curr != NULL)
-+ return 1;
-+
-+ nentry = acl_alloc(sizeof (struct name_entry));
-+ if (nentry == NULL)
-+ return 0;
-+ ientry = acl_alloc(sizeof (struct inodev_entry));
-+ if (ientry == NULL)
-+ return 0;
-+ ientry->nentry = nentry;
-+
-+ nentry->key = key;
-+ nentry->name = name;
-+ nentry->inode = inode;
-+ nentry->device = device;
-+ nentry->len = len;
-+ nentry->deleted = deleted;
-+
-+ nentry->prev = NULL;
-+ curr = &name_set.n_hash[index];
-+ if (*curr != NULL)
-+ (*curr)->prev = nentry;
-+ nentry->next = *curr;
-+ *curr = nentry;
-+
-+ /* insert us into the table searchable by inode/dev */
-+ insert_inodev_entry(ientry);
-+
-+ return 1;
-+}
-+
-+static void
-+insert_acl_obj_label(struct acl_object_label *obj,
-+ struct acl_subject_label *subj)
-+{
-+ unsigned int index =
-+ fhash(obj->inode, obj->device, subj->obj_hash_size);
-+ struct acl_object_label **curr;
-+
-+
-+ obj->prev = NULL;
-+
-+ curr = &subj->obj_hash[index];
-+ if (*curr != NULL)
-+ (*curr)->prev = obj;
-+
-+ obj->next = *curr;
-+ *curr = obj;
-+
-+ return;
-+}
-+
-+static void
-+insert_acl_subj_label(struct acl_subject_label *obj,
-+ struct acl_role_label *role)
-+{
-+ unsigned int index = fhash(obj->inode, obj->device, role->subj_hash_size);
-+ struct acl_subject_label **curr;
-+
-+ obj->prev = NULL;
-+
-+ curr = &role->subj_hash[index];
-+ if (*curr != NULL)
-+ (*curr)->prev = obj;
-+
-+ obj->next = *curr;
-+ *curr = obj;
-+
-+ return;
-+}
-+
-+/* allocating chained hash tables, so optimal size is where lambda ~ 1 */
-+
-+static void *
-+create_table(__u32 * len, int elementsize)
-+{
-+ unsigned int table_sizes[] = {
-+ 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381,
-+ 32749, 65521, 131071, 262139, 524287, 1048573, 2097143,
-+ 4194301, 8388593, 16777213, 33554393, 67108859
-+ };
-+ void *newtable = NULL;
-+ unsigned int pwr = 0;
-+
-+ while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) &&
-+ table_sizes[pwr] <= *len)
-+ pwr++;
-+
-+ if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize))
-+ return newtable;
-+
-+ if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE)
-+ newtable =
-+ kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL);
-+ else
-+ newtable = vmalloc(table_sizes[pwr] * elementsize);
-+
-+ *len = table_sizes[pwr];
-+
-+ return newtable;
-+}
-+
-+static int
-+init_variables(const struct gr_arg *arg)
-+{
-+ struct task_struct *reaper = init_pid_ns.child_reaper;
-+ unsigned int stacksize;
-+
-+ subj_map_set.s_size = arg->role_db.num_subjects;
-+ acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children;
-+ name_set.n_size = arg->role_db.num_objects;
-+ inodev_set.i_size = arg->role_db.num_objects;
-+
-+ if (!subj_map_set.s_size || !acl_role_set.r_size ||
-+ !name_set.n_size || !inodev_set.i_size)
-+ return 1;
-+
-+ if (!gr_init_uidset())
-+ return 1;
-+
-+ /* set up the stack that holds allocation info */
-+
-+ stacksize = arg->role_db.num_pointers + 5;
-+
-+ if (!acl_alloc_stack_init(stacksize))
-+ return 1;
-+
-+ /* grab reference for the real root dentry and vfsmount */
-+ get_fs_root(reaper->fs, &real_root);
-+
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", __get_dev(real_root.dentry), real_root.dentry->d_inode->i_ino);
-+#endif
-+
-+ fakefs_obj_rw = acl_alloc(sizeof(struct acl_object_label));
-+ if (fakefs_obj_rw == NULL)
-+ return 1;
-+ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE;
-+
-+ fakefs_obj_rwx = acl_alloc(sizeof(struct acl_object_label));
-+ if (fakefs_obj_rwx == NULL)
-+ return 1;
-+ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC;
-+
-+ subj_map_set.s_hash =
-+ (struct subject_map **) create_table(&subj_map_set.s_size, sizeof(void *));
-+ acl_role_set.r_hash =
-+ (struct acl_role_label **) create_table(&acl_role_set.r_size, sizeof(void *));
-+ name_set.n_hash = (struct name_entry **) create_table(&name_set.n_size, sizeof(void *));
-+ inodev_set.i_hash =
-+ (struct inodev_entry **) create_table(&inodev_set.i_size, sizeof(void *));
-+
-+ if (!subj_map_set.s_hash || !acl_role_set.r_hash ||
-+ !name_set.n_hash || !inodev_set.i_hash)
-+ return 1;
-+
-+ memset(subj_map_set.s_hash, 0,
-+ sizeof(struct subject_map *) * subj_map_set.s_size);
-+ memset(acl_role_set.r_hash, 0,
-+ sizeof (struct acl_role_label *) * acl_role_set.r_size);
-+ memset(name_set.n_hash, 0,
-+ sizeof (struct name_entry *) * name_set.n_size);
-+ memset(inodev_set.i_hash, 0,
-+ sizeof (struct inodev_entry *) * inodev_set.i_size);
-+
-+ return 0;
-+}
-+
-+/* free information not needed after startup
-+ currently contains user->kernel pointer mappings for subjects
-+*/
-+
-+static void
-+free_init_variables(void)
-+{
-+ __u32 i;
-+
-+ if (subj_map_set.s_hash) {
-+ for (i = 0; i < subj_map_set.s_size; i++) {
-+ if (subj_map_set.s_hash[i]) {
-+ kfree(subj_map_set.s_hash[i]);
-+ subj_map_set.s_hash[i] = NULL;
-+ }
-+ }
-+
-+ if ((subj_map_set.s_size * sizeof (struct subject_map *)) <=
-+ PAGE_SIZE)
-+ kfree(subj_map_set.s_hash);
-+ else
-+ vfree(subj_map_set.s_hash);
-+ }
-+
-+ return;
-+}
-+
-+static void
-+free_variables(void)
-+{
-+ struct acl_subject_label *s;
-+ struct acl_role_label *r;
-+ struct task_struct *task, *task2;
-+ unsigned int x;
-+
-+ gr_clear_learn_entries();
-+
-+ read_lock(&tasklist_lock);
-+ do_each_thread(task2, task) {
-+ task->acl_sp_role = 0;
-+ task->acl_role_id = 0;
-+ task->acl = NULL;
-+ task->role = NULL;
-+ } while_each_thread(task2, task);
-+ read_unlock(&tasklist_lock);
-+
-+ /* release the reference to the real root dentry and vfsmount */
-+ path_put(&real_root);
-+ memset(&real_root, 0, sizeof(real_root));
-+
-+ /* free all object hash tables */
-+
-+ FOR_EACH_ROLE_START(r)
-+ if (r->subj_hash == NULL)
-+ goto next_role;
-+ FOR_EACH_SUBJECT_START(r, s, x)
-+ if (s->obj_hash == NULL)
-+ break;
-+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
-+ kfree(s->obj_hash);
-+ else
-+ vfree(s->obj_hash);
-+ FOR_EACH_SUBJECT_END(s, x)
-+ FOR_EACH_NESTED_SUBJECT_START(r, s)
-+ if (s->obj_hash == NULL)
-+ break;
-+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
-+ kfree(s->obj_hash);
-+ else
-+ vfree(s->obj_hash);
-+ FOR_EACH_NESTED_SUBJECT_END(s)
-+ if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE)
-+ kfree(r->subj_hash);
-+ else
-+ vfree(r->subj_hash);
-+ r->subj_hash = NULL;
-+next_role:
-+ FOR_EACH_ROLE_END(r)
-+
-+ acl_free_all();
-+
-+ if (acl_role_set.r_hash) {
-+ if ((acl_role_set.r_size * sizeof (struct acl_role_label *)) <=
-+ PAGE_SIZE)
-+ kfree(acl_role_set.r_hash);
-+ else
-+ vfree(acl_role_set.r_hash);
-+ }
-+ if (name_set.n_hash) {
-+ if ((name_set.n_size * sizeof (struct name_entry *)) <=
-+ PAGE_SIZE)
-+ kfree(name_set.n_hash);
-+ else
-+ vfree(name_set.n_hash);
-+ }
-+
-+ if (inodev_set.i_hash) {
-+ if ((inodev_set.i_size * sizeof (struct inodev_entry *)) <=
-+ PAGE_SIZE)
-+ kfree(inodev_set.i_hash);
-+ else
-+ vfree(inodev_set.i_hash);
-+ }
-+
-+ gr_free_uidset();
-+
-+ memset(&name_set, 0, sizeof (struct name_db));
-+ memset(&inodev_set, 0, sizeof (struct inodev_db));
-+ memset(&acl_role_set, 0, sizeof (struct acl_role_db));
-+ memset(&subj_map_set, 0, sizeof (struct acl_subj_map_db));
-+
-+ default_role = NULL;
-+ kernel_role = NULL;
-+ role_list = NULL;
-+
-+ return;
-+}
-+
-+static __u32
-+count_user_objs(struct acl_object_label *userp)
-+{
-+ struct acl_object_label o_tmp;
-+ __u32 num = 0;
-+
-+ while (userp) {
-+ if (copy_from_user(&o_tmp, userp,
-+ sizeof (struct acl_object_label)))
-+ break;
-+
-+ userp = o_tmp.prev;
-+ num++;
-+ }
-+
-+ return num;
-+}
-+
-+static struct acl_subject_label *
-+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role);
-+
-+static int
-+copy_user_glob(struct acl_object_label *obj)
-+{
-+ struct acl_object_label *g_tmp, **guser;
-+ unsigned int len;
-+ char *tmp;
-+
-+ if (obj->globbed == NULL)
-+ return 0;
-+
-+ guser = &obj->globbed;
-+ while (*guser) {
-+ g_tmp = (struct acl_object_label *)
-+ acl_alloc(sizeof (struct acl_object_label));
-+ if (g_tmp == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(g_tmp, *guser,
-+ sizeof (struct acl_object_label)))
-+ return -EFAULT;
-+
-+ len = strnlen_user(g_tmp->filename, PATH_MAX);
-+
-+ if (!len || len >= PATH_MAX)
-+ return -EINVAL;
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(tmp, g_tmp->filename, len))
-+ return -EFAULT;
-+ tmp[len-1] = '\0';
-+ g_tmp->filename = tmp;
-+
-+ *guser = g_tmp;
-+ guser = &(g_tmp->next);
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj,
-+ struct acl_role_label *role)
-+{
-+ struct acl_object_label *o_tmp;
-+ unsigned int len;
-+ int ret;
-+ char *tmp;
-+
-+ while (userp) {
-+ if ((o_tmp = (struct acl_object_label *)
-+ acl_alloc(sizeof (struct acl_object_label))) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(o_tmp, userp,
-+ sizeof (struct acl_object_label)))
-+ return -EFAULT;
-+
-+ userp = o_tmp->prev;
-+
-+ len = strnlen_user(o_tmp->filename, PATH_MAX);
-+
-+ if (!len || len >= PATH_MAX)
-+ return -EINVAL;
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(tmp, o_tmp->filename, len))
-+ return -EFAULT;
-+ tmp[len-1] = '\0';
-+ o_tmp->filename = tmp;
-+
-+ insert_acl_obj_label(o_tmp, subj);
-+ if (!insert_name_entry(o_tmp->filename, o_tmp->inode,
-+ o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0))
-+ return -ENOMEM;
-+
-+ ret = copy_user_glob(o_tmp);
-+ if (ret)
-+ return ret;
-+
-+ if (o_tmp->nested) {
-+ o_tmp->nested = do_copy_user_subj(o_tmp->nested, role);
-+ if (IS_ERR(o_tmp->nested))
-+ return PTR_ERR(o_tmp->nested);
-+
-+ /* insert into nested subject list */
-+ o_tmp->nested->next = role->hash->first;
-+ role->hash->first = o_tmp->nested;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+static __u32
-+count_user_subjs(struct acl_subject_label *userp)
-+{
-+ struct acl_subject_label s_tmp;
-+ __u32 num = 0;
-+
-+ while (userp) {
-+ if (copy_from_user(&s_tmp, userp,
-+ sizeof (struct acl_subject_label)))
-+ break;
-+
-+ userp = s_tmp.prev;
-+ /* do not count nested subjects against this count, since
-+ they are not included in the hash table, but are
-+ attached to objects. We have already counted
-+ the subjects in userspace for the allocation
-+ stack
-+ */
-+ if (!(s_tmp.mode & GR_NESTED))
-+ num++;
-+ }
-+
-+ return num;
-+}
-+
-+static int
-+copy_user_allowedips(struct acl_role_label *rolep)
-+{
-+ struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast;
-+
-+ ruserip = rolep->allowed_ips;
-+
-+ while (ruserip) {
-+ rlast = rtmp;
-+
-+ if ((rtmp = (struct role_allowed_ip *)
-+ acl_alloc(sizeof (struct role_allowed_ip))) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(rtmp, ruserip,
-+ sizeof (struct role_allowed_ip)))
-+ return -EFAULT;
-+
-+ ruserip = rtmp->prev;
-+
-+ if (!rlast) {
-+ rtmp->prev = NULL;
-+ rolep->allowed_ips = rtmp;
-+ } else {
-+ rlast->next = rtmp;
-+ rtmp->prev = rlast;
-+ }
-+
-+ if (!ruserip)
-+ rtmp->next = NULL;
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+copy_user_transitions(struct acl_role_label *rolep)
-+{
-+ struct role_transition *rusertp, *rtmp = NULL, *rlast;
-+
-+ unsigned int len;
-+ char *tmp;
-+
-+ rusertp = rolep->transitions;
-+
-+ while (rusertp) {
-+ rlast = rtmp;
-+
-+ if ((rtmp = (struct role_transition *)
-+ acl_alloc(sizeof (struct role_transition))) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(rtmp, rusertp,
-+ sizeof (struct role_transition)))
-+ return -EFAULT;
-+
-+ rusertp = rtmp->prev;
-+
-+ len = strnlen_user(rtmp->rolename, GR_SPROLE_LEN);
-+
-+ if (!len || len >= GR_SPROLE_LEN)
-+ return -EINVAL;
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(tmp, rtmp->rolename, len))
-+ return -EFAULT;
-+ tmp[len-1] = '\0';
-+ rtmp->rolename = tmp;
-+
-+ if (!rlast) {
-+ rtmp->prev = NULL;
-+ rolep->transitions = rtmp;
-+ } else {
-+ rlast->next = rtmp;
-+ rtmp->prev = rlast;
-+ }
-+
-+ if (!rusertp)
-+ rtmp->next = NULL;
-+ }
-+
-+ return 0;
-+}
-+
-+static struct acl_subject_label *
-+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role)
-+{
-+ struct acl_subject_label *s_tmp = NULL, *s_tmp2;
-+ unsigned int len;
-+ char *tmp;
-+ __u32 num_objs;
-+ struct acl_ip_label **i_tmp, *i_utmp2;
-+ struct gr_hash_struct ghash;
-+ struct subject_map *subjmap;
-+ unsigned int i_num;
-+ int err;
-+
-+ s_tmp = lookup_subject_map(userp);
-+
-+ /* we've already copied this subject into the kernel, just return
-+ the reference to it, and don't copy it over again
-+ */
-+ if (s_tmp)
-+ return(s_tmp);
-+
-+ if ((s_tmp = (struct acl_subject_label *)
-+ acl_alloc(sizeof (struct acl_subject_label))) == NULL)
-+ return ERR_PTR(-ENOMEM);
-+
-+ subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL);
-+ if (subjmap == NULL)
-+ return ERR_PTR(-ENOMEM);
-+
-+ subjmap->user = userp;
-+ subjmap->kernel = s_tmp;
-+ insert_subj_map_entry(subjmap);
-+
-+ if (copy_from_user(s_tmp, userp,
-+ sizeof (struct acl_subject_label)))
-+ return ERR_PTR(-EFAULT);
-+
-+ len = strnlen_user(s_tmp->filename, PATH_MAX);
-+
-+ if (!len || len >= PATH_MAX)
-+ return ERR_PTR(-EINVAL);
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return ERR_PTR(-ENOMEM);
-+
-+ if (copy_from_user(tmp, s_tmp->filename, len))
-+ return ERR_PTR(-EFAULT);
-+ tmp[len-1] = '\0';
-+ s_tmp->filename = tmp;
-+
-+ if (!strcmp(s_tmp->filename, "/"))
-+ role->root_label = s_tmp;
-+
-+ if (copy_from_user(&ghash, s_tmp->hash, sizeof(struct gr_hash_struct)))
-+ return ERR_PTR(-EFAULT);
-+
-+ /* copy user and group transition tables */
-+
-+ if (s_tmp->user_trans_num) {
-+ uid_t *uidlist;
-+
-+ uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t));
-+ if (uidlist == NULL)
-+ return ERR_PTR(-ENOMEM);
-+ if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t)))
-+ return ERR_PTR(-EFAULT);
-+
-+ s_tmp->user_transitions = uidlist;
-+ }
-+
-+ if (s_tmp->group_trans_num) {
-+ gid_t *gidlist;
-+
-+ gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t));
-+ if (gidlist == NULL)
-+ return ERR_PTR(-ENOMEM);
-+ if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t)))
-+ return ERR_PTR(-EFAULT);
-+
-+ s_tmp->group_transitions = gidlist;
-+ }
-+
-+ /* set up object hash table */
-+ num_objs = count_user_objs(ghash.first);
-+
-+ s_tmp->obj_hash_size = num_objs;
-+ s_tmp->obj_hash =
-+ (struct acl_object_label **)
-+ create_table(&(s_tmp->obj_hash_size), sizeof(void *));
-+
-+ if (!s_tmp->obj_hash)
-+ return ERR_PTR(-ENOMEM);
-+
-+ memset(s_tmp->obj_hash, 0,
-+ s_tmp->obj_hash_size *
-+ sizeof (struct acl_object_label *));
-+
-+ /* add in objects */
-+ err = copy_user_objs(ghash.first, s_tmp, role);
-+
-+ if (err)
-+ return ERR_PTR(err);
-+
-+ /* set pointer for parent subject */
-+ if (s_tmp->parent_subject) {
-+ s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role);
-+
-+ if (IS_ERR(s_tmp2))
-+ return s_tmp2;
-+
-+ s_tmp->parent_subject = s_tmp2;
-+ }
-+
-+ /* add in ip acls */
-+
-+ if (!s_tmp->ip_num) {
-+ s_tmp->ips = NULL;
-+ goto insert;
-+ }
-+
-+ i_tmp =
-+ (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num,
-+ sizeof (struct acl_ip_label *));
-+
-+ if (!i_tmp)
-+ return ERR_PTR(-ENOMEM);
-+
-+ for (i_num = 0; i_num < s_tmp->ip_num; i_num++) {
-+ *(i_tmp + i_num) =
-+ (struct acl_ip_label *)
-+ acl_alloc(sizeof (struct acl_ip_label));
-+ if (!*(i_tmp + i_num))
-+ return ERR_PTR(-ENOMEM);
-+
-+ if (copy_from_user
-+ (&i_utmp2, s_tmp->ips + i_num,
-+ sizeof (struct acl_ip_label *)))
-+ return ERR_PTR(-EFAULT);
-+
-+ if (copy_from_user
-+ (*(i_tmp + i_num), i_utmp2,
-+ sizeof (struct acl_ip_label)))
-+ return ERR_PTR(-EFAULT);
-+
-+ if ((*(i_tmp + i_num))->iface == NULL)
-+ continue;
-+
-+ len = strnlen_user((*(i_tmp + i_num))->iface, IFNAMSIZ);
-+ if (!len || len >= IFNAMSIZ)
-+ return ERR_PTR(-EINVAL);
-+ tmp = acl_alloc(len);
-+ if (tmp == NULL)
-+ return ERR_PTR(-ENOMEM);
-+ if (copy_from_user(tmp, (*(i_tmp + i_num))->iface, len))
-+ return ERR_PTR(-EFAULT);
-+ (*(i_tmp + i_num))->iface = tmp;
-+ }
-+
-+ s_tmp->ips = i_tmp;
-+
-+insert:
-+ if (!insert_name_entry(s_tmp->filename, s_tmp->inode,
-+ s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0))
-+ return ERR_PTR(-ENOMEM);
-+
-+ return s_tmp;
-+}
-+
-+static int
-+copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role)
-+{
-+ struct acl_subject_label s_pre;
-+ struct acl_subject_label * ret;
-+ int err;
-+
-+ while (userp) {
-+ if (copy_from_user(&s_pre, userp,
-+ sizeof (struct acl_subject_label)))
-+ return -EFAULT;
-+
-+ /* do not add nested subjects here, add
-+ while parsing objects
-+ */
-+
-+ if (s_pre.mode & GR_NESTED) {
-+ userp = s_pre.prev;
-+ continue;
-+ }
-+
-+ ret = do_copy_user_subj(userp, role);
-+
-+ err = PTR_ERR(ret);
-+ if (IS_ERR(ret))
-+ return err;
-+
-+ insert_acl_subj_label(ret, role);
-+
-+ userp = s_pre.prev;
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+copy_user_acl(struct gr_arg *arg)
-+{
-+ struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2;
-+ struct sprole_pw *sptmp;
-+ struct gr_hash_struct *ghash;
-+ uid_t *domainlist;
-+ unsigned int r_num;
-+ unsigned int len;
-+ char *tmp;
-+ int err = 0;
-+ __u16 i;
-+ __u32 num_subjs;
-+
-+ /* we need a default and kernel role */
-+ if (arg->role_db.num_roles < 2)
-+ return -EINVAL;
-+
-+ /* copy special role authentication info from userspace */
-+
-+ num_sprole_pws = arg->num_sprole_pws;
-+ acl_special_roles = (struct sprole_pw **) acl_alloc_num(num_sprole_pws, sizeof(struct sprole_pw *));
-+
-+ if (!acl_special_roles && num_sprole_pws)
-+ return -ENOMEM;
-+
-+ for (i = 0; i < num_sprole_pws; i++) {
-+ sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw));
-+ if (!sptmp)
-+ return -ENOMEM;
-+ if (copy_from_user(sptmp, arg->sprole_pws + i,
-+ sizeof (struct sprole_pw)))
-+ return -EFAULT;
-+
-+ len = strnlen_user(sptmp->rolename, GR_SPROLE_LEN);
-+
-+ if (!len || len >= GR_SPROLE_LEN)
-+ return -EINVAL;
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(tmp, sptmp->rolename, len))
-+ return -EFAULT;
-+
-+ tmp[len-1] = '\0';
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "Copying special role %s\n", tmp);
-+#endif
-+ sptmp->rolename = tmp;
-+ acl_special_roles[i] = sptmp;
-+ }
-+
-+ r_utmp = (struct acl_role_label **) arg->role_db.r_table;
-+
-+ for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) {
-+ r_tmp = acl_alloc(sizeof (struct acl_role_label));
-+
-+ if (!r_tmp)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(&r_utmp2, r_utmp + r_num,
-+ sizeof (struct acl_role_label *)))
-+ return -EFAULT;
-+
-+ if (copy_from_user(r_tmp, r_utmp2,
-+ sizeof (struct acl_role_label)))
-+ return -EFAULT;
-+
-+ len = strnlen_user(r_tmp->rolename, GR_SPROLE_LEN);
-+
-+ if (!len || len >= PATH_MAX)
-+ return -EINVAL;
-+
-+ if ((tmp = (char *) acl_alloc(len)) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(tmp, r_tmp->rolename, len))
-+ return -EFAULT;
-+
-+ tmp[len-1] = '\0';
-+ r_tmp->rolename = tmp;
-+
-+ if (!strcmp(r_tmp->rolename, "default")
-+ && (r_tmp->roletype & GR_ROLE_DEFAULT)) {
-+ default_role = r_tmp;
-+ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) {
-+ kernel_role = r_tmp;
-+ }
-+
-+ if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(ghash, r_tmp->hash, sizeof(struct gr_hash_struct)))
-+ return -EFAULT;
-+
-+ r_tmp->hash = ghash;
-+
-+ num_subjs = count_user_subjs(r_tmp->hash->first);
-+
-+ r_tmp->subj_hash_size = num_subjs;
-+ r_tmp->subj_hash =
-+ (struct acl_subject_label **)
-+ create_table(&(r_tmp->subj_hash_size), sizeof(void *));
-+
-+ if (!r_tmp->subj_hash)
-+ return -ENOMEM;
-+
-+ err = copy_user_allowedips(r_tmp);
-+ if (err)
-+ return err;
-+
-+ /* copy domain info */
-+ if (r_tmp->domain_children != NULL) {
-+ domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t));
-+ if (domainlist == NULL)
-+ return -ENOMEM;
-+
-+ if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t)))
-+ return -EFAULT;
-+
-+ r_tmp->domain_children = domainlist;
-+ }
-+
-+ err = copy_user_transitions(r_tmp);
-+ if (err)
-+ return err;
-+
-+ memset(r_tmp->subj_hash, 0,
-+ r_tmp->subj_hash_size *
-+ sizeof (struct acl_subject_label *));
-+
-+ err = copy_user_subjs(r_tmp->hash->first, r_tmp);
-+
-+ if (err)
-+ return err;
-+
-+ /* set nested subject list to null */
-+ r_tmp->hash->first = NULL;
-+
-+ insert_acl_role_label(r_tmp);
-+ }
-+
-+ if (default_role == NULL || kernel_role == NULL)
-+ return -EINVAL;
-+
-+ return err;
-+}
-+
-+static int
-+gracl_init(struct gr_arg *args)
-+{
-+ int error = 0;
-+
-+ memcpy(gr_system_salt, args->salt, GR_SALT_LEN);
-+ memcpy(gr_system_sum, args->sum, GR_SHA_LEN);
-+
-+ if (init_variables(args)) {
-+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION);
-+ error = -ENOMEM;
-+ free_variables();
-+ goto out;
-+ }
-+
-+ error = copy_user_acl(args);
-+ free_init_variables();
-+ if (error) {
-+ free_variables();
-+ goto out;
-+ }
-+
-+ if ((error = gr_set_acls(0))) {
-+ free_variables();
-+ goto out;
-+ }
-+
-+ pax_open_kernel();
-+ gr_status |= GR_READY;
-+ pax_close_kernel();
-+
-+ out:
-+ return error;
-+}
-+
-+/* derived from glibc fnmatch() 0: match, 1: no match*/
-+
-+static int
-+glob_match(const char *p, const char *n)
-+{
-+ char c;
-+
-+ while ((c = *p++) != '\0') {
-+ switch (c) {
-+ case '?':
-+ if (*n == '\0')
-+ return 1;
-+ else if (*n == '/')
-+ return 1;
-+ break;
-+ case '\\':
-+ if (*n != c)
-+ return 1;
-+ break;
-+ case '*':
-+ for (c = *p++; c == '?' || c == '*'; c = *p++) {
-+ if (*n == '/')
-+ return 1;
-+ else if (c == '?') {
-+ if (*n == '\0')
-+ return 1;
-+ else
-+ ++n;
-+ }
-+ }
-+ if (c == '\0') {
-+ return 0;
-+ } else {
-+ const char *endp;
-+
-+ if ((endp = strchr(n, '/')) == NULL)
-+ endp = n + strlen(n);
-+
-+ if (c == '[') {
-+ for (--p; n < endp; ++n)
-+ if (!glob_match(p, n))
-+ return 0;
-+ } else if (c == '/') {
-+ while (*n != '\0' && *n != '/')
-+ ++n;
-+ if (*n == '/' && !glob_match(p, n + 1))
-+ return 0;
-+ } else {
-+ for (--p; n < endp; ++n)
-+ if (*n == c && !glob_match(p, n))
-+ return 0;
-+ }
-+
-+ return 1;
-+ }
-+ case '[':
-+ {
-+ int not;
-+ char cold;
-+
-+ if (*n == '\0' || *n == '/')
-+ return 1;
-+
-+ not = (*p == '!' || *p == '^');
-+ if (not)
-+ ++p;
-+
-+ c = *p++;
-+ for (;;) {
-+ unsigned char fn = (unsigned char)*n;
-+
-+ if (c == '\0')
-+ return 1;
-+ else {
-+ if (c == fn)
-+ goto matched;
-+ cold = c;
-+ c = *p++;
-+
-+ if (c == '-' && *p != ']') {
-+ unsigned char cend = *p++;
-+
-+ if (cend == '\0')
-+ return 1;
-+
-+ if (cold <= fn && fn <= cend)
-+ goto matched;
-+
-+ c = *p++;
-+ }
-+ }
-+
-+ if (c == ']')
-+ break;
-+ }
-+ if (!not)
-+ return 1;
-+ break;
-+ matched:
-+ while (c != ']') {
-+ if (c == '\0')
-+ return 1;
-+
-+ c = *p++;
-+ }
-+ if (not)
-+ return 1;
-+ }
-+ break;
-+ default:
-+ if (c != *n)
-+ return 1;
-+ }
-+
-+ ++n;
-+ }
-+
-+ if (*n == '\0')
-+ return 0;
-+
-+ if (*n == '/')
-+ return 0;
-+
-+ return 1;
-+}
-+
-+static struct acl_object_label *
-+chk_glob_label(struct acl_object_label *globbed,
-+ const struct dentry *dentry, const struct vfsmount *mnt, char **path)
-+{
-+ struct acl_object_label *tmp;
-+
-+ if (*path == NULL)
-+ *path = gr_to_filename_nolock(dentry, mnt);
-+
-+ tmp = globbed;
-+
-+ while (tmp) {
-+ if (!glob_match(tmp->filename, *path))
-+ return tmp;
-+ tmp = tmp->next;
-+ }
-+
-+ return NULL;
-+}
-+
-+static struct acl_object_label *
-+__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
-+ const ino_t curr_ino, const dev_t curr_dev,
-+ const struct acl_subject_label *subj, char **path, const int checkglob)
-+{
-+ struct acl_subject_label *tmpsubj;
-+ struct acl_object_label *retval;
-+ struct acl_object_label *retval2;
-+
-+ tmpsubj = (struct acl_subject_label *) subj;
-+ read_lock(&gr_inode_lock);
-+ do {
-+ retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj);
-+ if (retval) {
-+ if (checkglob && retval->globbed) {
-+ retval2 = chk_glob_label(retval->globbed, orig_dentry, orig_mnt, path);
-+ if (retval2)
-+ retval = retval2;
-+ }
-+ break;
-+ }
-+ } while ((tmpsubj = tmpsubj->parent_subject));
-+ read_unlock(&gr_inode_lock);
-+
-+ return retval;
-+}
-+
-+static __inline__ struct acl_object_label *
-+full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
-+ struct dentry *curr_dentry,
-+ const struct acl_subject_label *subj, char **path, const int checkglob)
-+{
-+ int newglob = checkglob;
-+ ino_t inode;
-+ dev_t device;
-+
-+ /* if we aren't checking a subdirectory of the original path yet, don't do glob checking
-+ as we don't want a / * rule to match instead of the / object
-+ don't do this for create lookups that call this function though, since they're looking up
-+ on the parent and thus need globbing checks on all paths
-+ */
-+ if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB)
-+ newglob = GR_NO_GLOB;
-+
-+ spin_lock(&curr_dentry->d_lock);
-+ inode = curr_dentry->d_inode->i_ino;
-+ device = __get_dev(curr_dentry);
-+ spin_unlock(&curr_dentry->d_lock);
-+
-+ return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob);
-+}
-+
-+static struct acl_object_label *
-+__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
-+ const struct acl_subject_label *subj, char *path, const int checkglob)
-+{
-+ struct dentry *dentry = (struct dentry *) l_dentry;
-+ struct vfsmount *mnt = (struct vfsmount *) l_mnt;
-+ struct mount *real_mnt = real_mount(mnt);
-+ struct acl_object_label *retval;
-+ struct dentry *parent;
-+
-+ write_seqlock(&rename_lock);
-+ br_read_lock(&vfsmount_lock);
-+
-+ if (unlikely((mnt == shm_mnt && dentry->d_inode->i_nlink == 0) || mnt == pipe_mnt ||
-+#ifdef CONFIG_NET
-+ mnt == sock_mnt ||
-+#endif
-+#ifdef CONFIG_HUGETLBFS
-+ (mnt == hugetlbfs_vfsmount && dentry->d_inode->i_nlink == 0) ||
-+#endif
-+ /* ignore Eric Biederman */
-+ IS_PRIVATE(l_dentry->d_inode))) {
-+ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw;
-+ goto out;
-+ }
-+
-+ for (;;) {
-+ if (dentry == real_root.dentry && mnt == real_root.mnt)
-+ break;
-+
-+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
-+ if (!mnt_has_parent(real_mnt))
-+ break;
-+
-+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
-+ if (retval != NULL)
-+ goto out;
-+
-+ dentry = real_mnt->mnt_mountpoint;
-+ real_mnt = real_mnt->mnt_parent;
-+ mnt = &real_mnt->mnt;
-+ continue;
-+ }
-+
-+ parent = dentry->d_parent;
-+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
-+ if (retval != NULL)
-+ goto out;
-+
-+ dentry = parent;
-+ }
-+
-+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
-+
-+ /* real_root is pinned so we don't have to hold a reference */
-+ if (retval == NULL)
-+ retval = full_lookup(l_dentry, l_mnt, real_root.dentry, subj, &path, checkglob);
-+out:
-+ br_read_unlock(&vfsmount_lock);
-+ write_sequnlock(&rename_lock);
-+
-+ BUG_ON(retval == NULL);
-+
-+ return retval;
-+}
-+
-+static __inline__ struct acl_object_label *
-+chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
-+ const struct acl_subject_label *subj)
-+{
-+ char *path = NULL;
-+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB);
-+}
-+
-+static __inline__ struct acl_object_label *
-+chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
-+ const struct acl_subject_label *subj)
-+{
-+ char *path = NULL;
-+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB);
-+}
-+
-+static __inline__ struct acl_object_label *
-+chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
-+ const struct acl_subject_label *subj, char *path)
-+{
-+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB);
-+}
-+
-+static struct acl_subject_label *
-+chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
-+ const struct acl_role_label *role)
-+{
-+ struct dentry *dentry = (struct dentry *) l_dentry;
-+ struct vfsmount *mnt = (struct vfsmount *) l_mnt;
-+ struct mount *real_mnt = real_mount(mnt);
-+ struct acl_subject_label *retval;
-+ struct dentry *parent;
-+
-+ write_seqlock(&rename_lock);
-+ br_read_lock(&vfsmount_lock);
-+
-+ for (;;) {
-+ if (dentry == real_root.dentry && mnt == real_root.mnt)
-+ break;
-+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
-+ if (!mnt_has_parent(real_mnt))
-+ break;
-+
-+ spin_lock(&dentry->d_lock);
-+ read_lock(&gr_inode_lock);
-+ retval =
-+ lookup_acl_subj_label(dentry->d_inode->i_ino,
-+ __get_dev(dentry), role);
-+ read_unlock(&gr_inode_lock);
-+ spin_unlock(&dentry->d_lock);
-+ if (retval != NULL)
-+ goto out;
-+
-+ dentry = real_mnt->mnt_mountpoint;
-+ real_mnt = real_mnt->mnt_parent;
-+ mnt = &real_mnt->mnt;
-+ continue;
-+ }
-+
-+ spin_lock(&dentry->d_lock);
-+ read_lock(&gr_inode_lock);
-+ retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
-+ __get_dev(dentry), role);
-+ read_unlock(&gr_inode_lock);
-+ parent = dentry->d_parent;
-+ spin_unlock(&dentry->d_lock);
-+
-+ if (retval != NULL)
-+ goto out;
-+
-+ dentry = parent;
-+ }
-+
-+ spin_lock(&dentry->d_lock);
-+ read_lock(&gr_inode_lock);
-+ retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
-+ __get_dev(dentry), role);
-+ read_unlock(&gr_inode_lock);
-+ spin_unlock(&dentry->d_lock);
-+
-+ if (unlikely(retval == NULL)) {
-+ /* real_root is pinned, we don't need to hold a reference */
-+ read_lock(&gr_inode_lock);
-+ retval = lookup_acl_subj_label(real_root.dentry->d_inode->i_ino,
-+ __get_dev(real_root.dentry), role);
-+ read_unlock(&gr_inode_lock);
-+ }
-+out:
-+ br_read_unlock(&vfsmount_lock);
-+ write_sequnlock(&rename_lock);
-+
-+ BUG_ON(retval == NULL);
-+
-+ return retval;
-+}
-+
-+static void
-+gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode)
-+{
-+ struct task_struct *task = current;
-+ const struct cred *cred = current_cred();
-+
-+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype,
-+ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
-+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
-+ 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip);
-+
-+ return;
-+}
-+
-+static void
-+gr_log_learn_id_change(const char type, const unsigned int real,
-+ const unsigned int effective, const unsigned int fs)
-+{
-+ struct task_struct *task = current;
-+ const struct cred *cred = current_cred();
-+
-+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype,
-+ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
-+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
-+ type, real, effective, fs, &task->signal->saved_ip);
-+
-+ return;
-+}
-+
-+__u32
-+gr_search_file(const struct dentry * dentry, const __u32 mode,
-+ const struct vfsmount * mnt)
-+{
-+ __u32 retval = mode;
-+ struct acl_subject_label *curracl;
-+ struct acl_object_label *currobj;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return (mode & ~GR_AUDITS);
-+
-+ curracl = current->acl;
-+
-+ currobj = chk_obj_label(dentry, mnt, curracl);
-+ retval = currobj->mode & mode;
-+
-+ /* if we're opening a specified transfer file for writing
-+ (e.g. /dev/initctl), then transfer our role to init
-+ */
-+ if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE &&
-+ current->role->roletype & GR_ROLE_PERSIST)) {
-+ struct task_struct *task = init_pid_ns.child_reaper;
-+
-+ if (task->role != current->role) {
-+ task->acl_sp_role = 0;
-+ task->acl_role_id = current->acl_role_id;
-+ task->role = current->role;
-+ rcu_read_lock();
-+ read_lock(&grsec_exec_file_lock);
-+ gr_apply_subject_to_task(task);
-+ read_unlock(&grsec_exec_file_lock);
-+ rcu_read_unlock();
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG);
-+ }
-+ }
-+
-+ if (unlikely
-+ ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE)
-+ && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) {
-+ __u32 new_mode = mode;
-+
-+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
-+
-+ retval = new_mode;
-+
-+ if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN)
-+ new_mode |= GR_INHERIT;
-+
-+ if (!(mode & GR_NOLEARN))
-+ gr_log_learn(dentry, mnt, new_mode);
-+ }
-+
-+ return retval;
-+}
-+
-+struct acl_object_label *gr_get_create_object(const struct dentry *new_dentry,
-+ const struct dentry *parent,
-+ const struct vfsmount *mnt)
-+{
-+ struct name_entry *match;
-+ struct acl_object_label *matchpo;
-+ struct acl_subject_label *curracl;
-+ char *path;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return NULL;
-+
-+ preempt_disable();
-+ path = gr_to_filename_rbac(new_dentry, mnt);
-+ match = lookup_name_entry_create(path);
-+
-+ curracl = current->acl;
-+
-+ if (match) {
-+ read_lock(&gr_inode_lock);
-+ matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl);
-+ read_unlock(&gr_inode_lock);
-+
-+ if (matchpo) {
-+ preempt_enable();
-+ return matchpo;
-+ }
-+ }
-+
-+ // lookup parent
-+
-+ matchpo = chk_obj_create_label(parent, mnt, curracl, path);
-+
-+ preempt_enable();
-+ return matchpo;
-+}
-+
-+__u32
-+gr_check_create(const struct dentry * new_dentry, const struct dentry * parent,
-+ const struct vfsmount * mnt, const __u32 mode)
-+{
-+ struct acl_object_label *matchpo;
-+ __u32 retval;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return (mode & ~GR_AUDITS);
-+
-+ matchpo = gr_get_create_object(new_dentry, parent, mnt);
-+
-+ retval = matchpo->mode & mode;
-+
-+ if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS)))
-+ && (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
-+ __u32 new_mode = mode;
-+
-+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
-+
-+ gr_log_learn(new_dentry, mnt, new_mode);
-+ return new_mode;
-+ }
-+
-+ return retval;
-+}
-+
-+__u32
-+gr_check_link(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt,
-+ const struct dentry * old_dentry, const struct vfsmount * old_mnt)
-+{
-+ struct acl_object_label *obj;
-+ __u32 oldmode, newmode;
-+ __u32 needmode;
-+ __u32 checkmodes = GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | GR_SETID | GR_READ |
-+ GR_DELETE | GR_INHERIT;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return (GR_CREATE | GR_LINK);
-+
-+ obj = chk_obj_label(old_dentry, old_mnt, current->acl);
-+ oldmode = obj->mode;
-+
-+ obj = gr_get_create_object(new_dentry, parent_dentry, parent_mnt);
-+ newmode = obj->mode;
-+
-+ needmode = newmode & checkmodes;
-+
-+ // old name for hardlink must have at least the permissions of the new name
-+ if ((oldmode & needmode) != needmode)
-+ goto bad;
-+
-+ // if old name had restrictions/auditing, make sure the new name does as well
-+ needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS);
-+
-+ // don't allow hardlinking of suid/sgid/fcapped files without permission
-+ if (is_privileged_binary(old_dentry))
-+ needmode |= GR_SETID;
-+
-+ if ((newmode & needmode) != needmode)
-+ goto bad;
-+
-+ // enforce minimum permissions
-+ if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK))
-+ return newmode;
-+bad:
-+ needmode = oldmode;
-+ if (is_privileged_binary(old_dentry))
-+ needmode |= GR_SETID;
-+
-+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) {
-+ gr_log_learn(old_dentry, old_mnt, needmode | GR_CREATE | GR_LINK);
-+ return (GR_CREATE | GR_LINK);
-+ } else if (newmode & GR_SUPPRESS)
-+ return GR_SUPPRESS;
-+ else
-+ return 0;
-+}
-+
-+int
-+gr_check_hidden_task(const struct task_struct *task)
-+{
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+
-+ if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW))
-+ return 1;
-+
-+ return 0;
-+}
-+
-+int
-+gr_check_protected_task(const struct task_struct *task)
-+{
-+ if (unlikely(!(gr_status & GR_READY) || !task))
-+ return 0;
-+
-+ if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
-+ task->acl != current->acl)
-+ return 1;
-+
-+ return 0;
-+}
-+
-+int
-+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
-+{
-+ struct task_struct *p;
-+ int ret = 0;
-+
-+ if (unlikely(!(gr_status & GR_READY) || !pid))
-+ return ret;
-+
-+ read_lock(&tasklist_lock);
-+ do_each_pid_task(pid, type, p) {
-+ if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
-+ p->acl != current->acl) {
-+ ret = 1;
-+ goto out;
-+ }
-+ } while_each_pid_task(pid, type, p);
-+out:
-+ read_unlock(&tasklist_lock);
-+
-+ return ret;
-+}
-+
-+void
-+gr_copy_label(struct task_struct *tsk)
-+{
-+ tsk->signal->used_accept = 0;
-+ tsk->acl_sp_role = 0;
-+ tsk->acl_role_id = current->acl_role_id;
-+ tsk->acl = current->acl;
-+ tsk->role = current->role;
-+ tsk->signal->curr_ip = current->signal->curr_ip;
-+ tsk->signal->saved_ip = current->signal->saved_ip;
-+ if (current->exec_file)
-+ get_file(current->exec_file);
-+ tsk->exec_file = current->exec_file;
-+ tsk->is_writable = current->is_writable;
-+ if (unlikely(current->signal->used_accept)) {
-+ current->signal->curr_ip = 0;
-+ current->signal->saved_ip = 0;
-+ }
-+
-+ return;
-+}
-+
-+static void
-+gr_set_proc_res(struct task_struct *task)
-+{
-+ struct acl_subject_label *proc;
-+ unsigned short i;
-+
-+ proc = task->acl;
-+
-+ if (proc->mode & (GR_LEARN | GR_INHERITLEARN))
-+ return;
-+
-+ for (i = 0; i < RLIM_NLIMITS; i++) {
-+ if (!(proc->resmask & (1 << i)))
-+ continue;
-+
-+ task->signal->rlim[i].rlim_cur = proc->res[i].rlim_cur;
-+ task->signal->rlim[i].rlim_max = proc->res[i].rlim_max;
-+ }
-+
-+ return;
-+}
-+
-+extern int __gr_process_user_ban(struct user_struct *user);
-+
-+int
-+gr_check_user_change(int real, int effective, int fs)
-+{
-+ unsigned int i;
-+ __u16 num;
-+ uid_t *uidlist;
-+ int curuid;
-+ int realok = 0;
-+ int effectiveok = 0;
-+ int fsok = 0;
-+
-+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
-+ struct user_struct *user;
-+
-+ if (real == -1)
-+ goto skipit;
-+
-+ user = find_user(real);
-+ if (user == NULL)
-+ goto skipit;
-+
-+ if (__gr_process_user_ban(user)) {
-+ /* for find_user */
-+ free_uid(user);
-+ return 1;
-+ }
-+
-+ /* for find_user */
-+ free_uid(user);
-+
-+skipit:
-+#endif
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+
-+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
-+ gr_log_learn_id_change('u', real, effective, fs);
-+
-+ num = current->acl->user_trans_num;
-+ uidlist = current->acl->user_transitions;
-+
-+ if (uidlist == NULL)
-+ return 0;
-+
-+ if (real == -1)
-+ realok = 1;
-+ if (effective == -1)
-+ effectiveok = 1;
-+ if (fs == -1)
-+ fsok = 1;
-+
-+ if (current->acl->user_trans_type & GR_ID_ALLOW) {
-+ for (i = 0; i < num; i++) {
-+ curuid = (int)uidlist[i];
-+ if (real == curuid)
-+ realok = 1;
-+ if (effective == curuid)
-+ effectiveok = 1;
-+ if (fs == curuid)
-+ fsok = 1;
-+ }
-+ } else if (current->acl->user_trans_type & GR_ID_DENY) {
-+ for (i = 0; i < num; i++) {
-+ curuid = (int)uidlist[i];
-+ if (real == curuid)
-+ break;
-+ if (effective == curuid)
-+ break;
-+ if (fs == curuid)
-+ break;
-+ }
-+ /* not in deny list */
-+ if (i == num) {
-+ realok = 1;
-+ effectiveok = 1;
-+ fsok = 1;
-+ }
-+ }
-+
-+ if (realok && effectiveok && fsok)
-+ return 0;
-+ else {
-+ gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real);
-+ return 1;
-+ }
-+}
-+
-+int
-+gr_check_group_change(int real, int effective, int fs)
-+{
-+ unsigned int i;
-+ __u16 num;
-+ gid_t *gidlist;
-+ int curgid;
-+ int realok = 0;
-+ int effectiveok = 0;
-+ int fsok = 0;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+
-+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
-+ gr_log_learn_id_change('g', real, effective, fs);
-+
-+ num = current->acl->group_trans_num;
-+ gidlist = current->acl->group_transitions;
-+
-+ if (gidlist == NULL)
-+ return 0;
-+
-+ if (real == -1)
-+ realok = 1;
-+ if (effective == -1)
-+ effectiveok = 1;
-+ if (fs == -1)
-+ fsok = 1;
-+
-+ if (current->acl->group_trans_type & GR_ID_ALLOW) {
-+ for (i = 0; i < num; i++) {
-+ curgid = (int)gidlist[i];
-+ if (real == curgid)
-+ realok = 1;
-+ if (effective == curgid)
-+ effectiveok = 1;
-+ if (fs == curgid)
-+ fsok = 1;
-+ }
-+ } else if (current->acl->group_trans_type & GR_ID_DENY) {
-+ for (i = 0; i < num; i++) {
-+ curgid = (int)gidlist[i];
-+ if (real == curgid)
-+ break;
-+ if (effective == curgid)
-+ break;
-+ if (fs == curgid)
-+ break;
-+ }
-+ /* not in deny list */
-+ if (i == num) {
-+ realok = 1;
-+ effectiveok = 1;
-+ fsok = 1;
-+ }
-+ }
-+
-+ if (realok && effectiveok && fsok)
-+ return 0;
-+ else {
-+ gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real);
-+ return 1;
-+ }
-+}
-+
-+extern int gr_acl_is_capable(const int cap);
-+
-+void
-+gr_set_role_label(struct task_struct *task, const uid_t uid, const uid_t gid)
-+{
-+ struct acl_role_label *role = task->role;
-+ struct acl_subject_label *subj = NULL;
-+ struct acl_object_label *obj;
-+ struct file *filp;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ filp = task->exec_file;
-+
-+ /* kernel process, we'll give them the kernel role */
-+ if (unlikely(!filp)) {
-+ task->role = kernel_role;
-+ task->acl = kernel_role->root_label;
-+ return;
-+ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL))
-+ role = lookup_acl_role_label(task, uid, gid);
-+
-+ /* don't change the role if we're not a privileged process */
-+ if (role && task->role != role &&
-+ (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) ||
-+ ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID))))
-+ return;
-+
-+ /* perform subject lookup in possibly new role
-+ we can use this result below in the case where role == task->role
-+ */
-+ subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role);
-+
-+ /* if we changed uid/gid, but result in the same role
-+ and are using inheritance, don't lose the inherited subject
-+ if current subject is other than what normal lookup
-+ would result in, we arrived via inheritance, don't
-+ lose subject
-+ */
-+ if (role != task->role || (!(task->acl->mode & GR_INHERITLEARN) &&
-+ (subj == task->acl)))
-+ task->acl = subj;
-+
-+ task->role = role;
-+
-+ task->is_writable = 0;
-+
-+ /* ignore additional mmap checks for processes that are writable
-+ by the default ACL */
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
-+#endif
-+
-+ gr_set_proc_res(task);
-+
-+ return;
-+}
-+
-+int
-+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
-+ const int unsafe_flags)
-+{
-+ struct task_struct *task = current;
-+ struct acl_subject_label *newacl;
-+ struct acl_object_label *obj;
-+ __u32 retmode;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+
-+ newacl = chk_subj_label(dentry, mnt, task->role);
-+
-+ /* special handling for if we did an strace -f -p <pid> from an admin role, where pid then
-+ did an exec
-+ */
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ if (task->ptrace && task->parent && ((task->parent->role->roletype & GR_ROLE_GOD) ||
-+ (task->parent->acl->mode & GR_POVERRIDE))) {
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ goto skip_check;
-+ }
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+
-+ if (unsafe_flags && !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) &&
-+ !(task->role->roletype & GR_ROLE_GOD) &&
-+ !gr_search_file(dentry, GR_PTRACERD, mnt) &&
-+ !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
-+ if (unsafe_flags & LSM_UNSAFE_SHARE)
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt);
-+ else
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt);
-+ return -EACCES;
-+ }
-+
-+skip_check:
-+
-+ obj = chk_obj_label(dentry, mnt, task->acl);
-+ retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT);
-+
-+ if (!(task->acl->mode & GR_INHERITLEARN) &&
-+ ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) {
-+ if (obj->nested)
-+ task->acl = obj->nested;
-+ else
-+ task->acl = newacl;
-+ } else if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT)
-+ gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt);
-+
-+ task->is_writable = 0;
-+
-+ /* ignore additional mmap checks for processes that are writable
-+ by the default ACL */
-+ obj = chk_obj_label(dentry, mnt, default_role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+ obj = chk_obj_label(dentry, mnt, task->role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+
-+ gr_set_proc_res(task);
-+
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
-+#endif
-+ return 0;
-+}
-+
-+/* always called with valid inodev ptr */
-+static void
-+do_handle_delete(struct inodev_entry *inodev, const ino_t ino, const dev_t dev)
-+{
-+ struct acl_object_label *matchpo;
-+ struct acl_subject_label *matchps;
-+ struct acl_subject_label *subj;
-+ struct acl_role_label *role;
-+ unsigned int x;
-+
-+ FOR_EACH_ROLE_START(role)
-+ FOR_EACH_SUBJECT_START(role, subj, x)
-+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL)
-+ matchpo->mode |= GR_DELETED;
-+ FOR_EACH_SUBJECT_END(subj,x)
-+ FOR_EACH_NESTED_SUBJECT_START(role, subj)
-+ if (subj->inode == ino && subj->device == dev)
-+ subj->mode |= GR_DELETED;
-+ FOR_EACH_NESTED_SUBJECT_END(subj)
-+ if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL)
-+ matchps->mode |= GR_DELETED;
-+ FOR_EACH_ROLE_END(role)
-+
-+ inodev->nentry->deleted = 1;
-+
-+ return;
-+}
-+
-+void
-+gr_handle_delete(const ino_t ino, const dev_t dev)
-+{
-+ struct inodev_entry *inodev;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ write_lock(&gr_inode_lock);
-+ inodev = lookup_inodev_entry(ino, dev);
-+ if (inodev != NULL)
-+ do_handle_delete(inodev, ino, dev);
-+ write_unlock(&gr_inode_lock);
-+
-+ return;
-+}
-+
-+static void
-+update_acl_obj_label(const ino_t oldinode, const dev_t olddevice,
-+ const ino_t newinode, const dev_t newdevice,
-+ struct acl_subject_label *subj)
-+{
-+ unsigned int index = fhash(oldinode, olddevice, subj->obj_hash_size);
-+ struct acl_object_label *match;
-+
-+ match = subj->obj_hash[index];
-+
-+ while (match && (match->inode != oldinode ||
-+ match->device != olddevice ||
-+ !(match->mode & GR_DELETED)))
-+ match = match->next;
-+
-+ if (match && (match->inode == oldinode)
-+ && (match->device == olddevice)
-+ && (match->mode & GR_DELETED)) {
-+ if (match->prev == NULL) {
-+ subj->obj_hash[index] = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = NULL;
-+ } else {
-+ match->prev->next = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = match->prev;
-+ }
-+ match->prev = NULL;
-+ match->next = NULL;
-+ match->inode = newinode;
-+ match->device = newdevice;
-+ match->mode &= ~GR_DELETED;
-+
-+ insert_acl_obj_label(match, subj);
-+ }
-+
-+ return;
-+}
-+
-+static void
-+update_acl_subj_label(const ino_t oldinode, const dev_t olddevice,
-+ const ino_t newinode, const dev_t newdevice,
-+ struct acl_role_label *role)
-+{
-+ unsigned int index = fhash(oldinode, olddevice, role->subj_hash_size);
-+ struct acl_subject_label *match;
-+
-+ match = role->subj_hash[index];
-+
-+ while (match && (match->inode != oldinode ||
-+ match->device != olddevice ||
-+ !(match->mode & GR_DELETED)))
-+ match = match->next;
-+
-+ if (match && (match->inode == oldinode)
-+ && (match->device == olddevice)
-+ && (match->mode & GR_DELETED)) {
-+ if (match->prev == NULL) {
-+ role->subj_hash[index] = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = NULL;
-+ } else {
-+ match->prev->next = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = match->prev;
-+ }
-+ match->prev = NULL;
-+ match->next = NULL;
-+ match->inode = newinode;
-+ match->device = newdevice;
-+ match->mode &= ~GR_DELETED;
-+
-+ insert_acl_subj_label(match, role);
-+ }
-+
-+ return;
-+}
-+
-+static void
-+update_inodev_entry(const ino_t oldinode, const dev_t olddevice,
-+ const ino_t newinode, const dev_t newdevice)
-+{
-+ unsigned int index = fhash(oldinode, olddevice, inodev_set.i_size);
-+ struct inodev_entry *match;
-+
-+ match = inodev_set.i_hash[index];
-+
-+ while (match && (match->nentry->inode != oldinode ||
-+ match->nentry->device != olddevice || !match->nentry->deleted))
-+ match = match->next;
-+
-+ if (match && (match->nentry->inode == oldinode)
-+ && (match->nentry->device == olddevice) &&
-+ match->nentry->deleted) {
-+ if (match->prev == NULL) {
-+ inodev_set.i_hash[index] = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = NULL;
-+ } else {
-+ match->prev->next = match->next;
-+ if (match->next != NULL)
-+ match->next->prev = match->prev;
-+ }
-+ match->prev = NULL;
-+ match->next = NULL;
-+ match->nentry->inode = newinode;
-+ match->nentry->device = newdevice;
-+ match->nentry->deleted = 0;
-+
-+ insert_inodev_entry(match);
-+ }
-+
-+ return;
-+}
-+
-+static void
-+__do_handle_create(const struct name_entry *matchn, ino_t ino, dev_t dev)
-+{
-+ struct acl_subject_label *subj;
-+ struct acl_role_label *role;
-+ unsigned int x;
-+
-+ FOR_EACH_ROLE_START(role)
-+ update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role);
-+
-+ FOR_EACH_NESTED_SUBJECT_START(role, subj)
-+ if ((subj->inode == ino) && (subj->device == dev)) {
-+ subj->inode = ino;
-+ subj->device = dev;
-+ }
-+ FOR_EACH_NESTED_SUBJECT_END(subj)
-+ FOR_EACH_SUBJECT_START(role, subj, x)
-+ update_acl_obj_label(matchn->inode, matchn->device,
-+ ino, dev, subj);
-+ FOR_EACH_SUBJECT_END(subj,x)
-+ FOR_EACH_ROLE_END(role)
-+
-+ update_inodev_entry(matchn->inode, matchn->device, ino, dev);
-+
-+ return;
-+}
-+
-+static void
-+do_handle_create(const struct name_entry *matchn, const struct dentry *dentry,
-+ const struct vfsmount *mnt)
-+{
-+ ino_t ino = dentry->d_inode->i_ino;
-+ dev_t dev = __get_dev(dentry);
-+
-+ __do_handle_create(matchn, ino, dev);
-+
-+ return;
-+}
-+
-+void
-+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ struct name_entry *matchn;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ preempt_disable();
-+ matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt));
-+
-+ if (unlikely((unsigned long)matchn)) {
-+ write_lock(&gr_inode_lock);
-+ do_handle_create(matchn, dentry, mnt);
-+ write_unlock(&gr_inode_lock);
-+ }
-+ preempt_enable();
-+
-+ return;
-+}
-+
-+void
-+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
-+{
-+ struct name_entry *matchn;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ preempt_disable();
-+ matchn = lookup_name_entry(gr_to_proc_filename_rbac(dentry, init_pid_ns.proc_mnt));
-+
-+ if (unlikely((unsigned long)matchn)) {
-+ write_lock(&gr_inode_lock);
-+ __do_handle_create(matchn, inode->i_ino, inode->i_sb->s_dev);
-+ write_unlock(&gr_inode_lock);
-+ }
-+ preempt_enable();
-+
-+ return;
-+}
-+
-+void
-+gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
-+ struct dentry *old_dentry,
-+ struct dentry *new_dentry,
-+ struct vfsmount *mnt, const __u8 replace)
-+{
-+ struct name_entry *matchn;
-+ struct inodev_entry *inodev;
-+ struct inode *inode = new_dentry->d_inode;
-+ ino_t old_ino = old_dentry->d_inode->i_ino;
-+ dev_t old_dev = __get_dev(old_dentry);
-+
-+ /* vfs_rename swaps the name and parent link for old_dentry and
-+ new_dentry
-+ at this point, old_dentry has the new name, parent link, and inode
-+ for the renamed file
-+ if a file is being replaced by a rename, new_dentry has the inode
-+ and name for the replaced file
-+ */
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ preempt_disable();
-+ matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt));
-+
-+ /* we wouldn't have to check d_inode if it weren't for
-+ NFS silly-renaming
-+ */
-+
-+ write_lock(&gr_inode_lock);
-+ if (unlikely(replace && inode)) {
-+ ino_t new_ino = inode->i_ino;
-+ dev_t new_dev = __get_dev(new_dentry);
-+
-+ inodev = lookup_inodev_entry(new_ino, new_dev);
-+ if (inodev != NULL && ((inode->i_nlink <= 1) || S_ISDIR(inode->i_mode)))
-+ do_handle_delete(inodev, new_ino, new_dev);
-+ }
-+
-+ inodev = lookup_inodev_entry(old_ino, old_dev);
-+ if (inodev != NULL && ((old_dentry->d_inode->i_nlink <= 1) || S_ISDIR(old_dentry->d_inode->i_mode)))
-+ do_handle_delete(inodev, old_ino, old_dev);
-+
-+ if (unlikely((unsigned long)matchn))
-+ do_handle_create(matchn, old_dentry, mnt);
-+
-+ write_unlock(&gr_inode_lock);
-+ preempt_enable();
-+
-+ return;
-+}
-+
-+static int
-+lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt,
-+ unsigned char **sum)
-+{
-+ struct acl_role_label *r;
-+ struct role_allowed_ip *ipp;
-+ struct role_transition *trans;
-+ unsigned int i;
-+ int found = 0;
-+ u32 curr_ip = current->signal->curr_ip;
-+
-+ current->signal->saved_ip = curr_ip;
-+
-+ /* check transition table */
-+
-+ for (trans = current->role->transitions; trans; trans = trans->next) {
-+ if (!strcmp(rolename, trans->rolename)) {
-+ found = 1;
-+ break;
-+ }
-+ }
-+
-+ if (!found)
-+ return 0;
-+
-+ /* handle special roles that do not require authentication
-+ and check ip */
-+
-+ FOR_EACH_ROLE_START(r)
-+ if (!strcmp(rolename, r->rolename) &&
-+ (r->roletype & GR_ROLE_SPECIAL)) {
-+ found = 0;
-+ if (r->allowed_ips != NULL) {
-+ for (ipp = r->allowed_ips; ipp; ipp = ipp->next) {
-+ if ((ntohl(curr_ip) & ipp->netmask) ==
-+ (ntohl(ipp->addr) & ipp->netmask))
-+ found = 1;
-+ }
-+ } else
-+ found = 2;
-+ if (!found)
-+ return 0;
-+
-+ if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) ||
-+ ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) {
-+ *salt = NULL;
-+ *sum = NULL;
-+ return 1;
-+ }
-+ }
-+ FOR_EACH_ROLE_END(r)
-+
-+ for (i = 0; i < num_sprole_pws; i++) {
-+ if (!strcmp(rolename, acl_special_roles[i]->rolename)) {
-+ *salt = acl_special_roles[i]->salt;
-+ *sum = acl_special_roles[i]->sum;
-+ return 1;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+static void
-+assign_special_role(char *rolename)
-+{
-+ struct acl_object_label *obj;
-+ struct acl_role_label *r;
-+ struct acl_role_label *assigned = NULL;
-+ struct task_struct *tsk;
-+ struct file *filp;
-+
-+ FOR_EACH_ROLE_START(r)
-+ if (!strcmp(rolename, r->rolename) &&
-+ (r->roletype & GR_ROLE_SPECIAL)) {
-+ assigned = r;
-+ break;
-+ }
-+ FOR_EACH_ROLE_END(r)
-+
-+ if (!assigned)
-+ return;
-+
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+
-+ tsk = current->real_parent;
-+ if (tsk == NULL)
-+ goto out_unlock;
-+
-+ filp = tsk->exec_file;
-+ if (filp == NULL)
-+ goto out_unlock;
-+
-+ tsk->is_writable = 0;
-+
-+ tsk->acl_sp_role = 1;
-+ tsk->acl_role_id = ++acl_sp_role_value;
-+ tsk->role = assigned;
-+ tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role);
-+
-+ /* ignore additional mmap checks for processes that are writable
-+ by the default ACL */
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ tsk->is_writable = 1;
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ tsk->is_writable = 1;
-+
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename, tsk->acl->filename, tsk->comm, tsk->pid);
-+#endif
-+
-+out_unlock:
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ return;
-+}
-+
-+int gr_check_secure_terminal(struct task_struct *task)
-+{
-+ struct task_struct *p, *p2, *p3;
-+ struct files_struct *files;
-+ struct fdtable *fdt;
-+ struct file *our_file = NULL, *file;
-+ int i;
-+
-+ if (task->signal->tty == NULL)
-+ return 1;
-+
-+ files = get_files_struct(task);
-+ if (files != NULL) {
-+ rcu_read_lock();
-+ fdt = files_fdtable(files);
-+ for (i=0; i < fdt->max_fds; i++) {
-+ file = fcheck_files(files, i);
-+ if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) {
-+ get_file(file);
-+ our_file = file;
-+ }
-+ }
-+ rcu_read_unlock();
-+ put_files_struct(files);
-+ }
-+
-+ if (our_file == NULL)
-+ return 1;
-+
-+ read_lock(&tasklist_lock);
-+ do_each_thread(p2, p) {
-+ files = get_files_struct(p);
-+ if (files == NULL ||
-+ (p->signal && p->signal->tty == task->signal->tty)) {
-+ if (files != NULL)
-+ put_files_struct(files);
-+ continue;
-+ }
-+ rcu_read_lock();
-+ fdt = files_fdtable(files);
-+ for (i=0; i < fdt->max_fds; i++) {
-+ file = fcheck_files(files, i);
-+ if (file && S_ISCHR(file->f_path.dentry->d_inode->i_mode) &&
-+ file->f_path.dentry->d_inode->i_rdev == our_file->f_path.dentry->d_inode->i_rdev) {
-+ p3 = task;
-+ while (p3->pid > 0) {
-+ if (p3 == p)
-+ break;
-+ p3 = p3->real_parent;
-+ }
-+ if (p3 == p)
-+ break;
-+ gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p);
-+ gr_handle_alertkill(p);
-+ rcu_read_unlock();
-+ put_files_struct(files);
-+ read_unlock(&tasklist_lock);
-+ fput(our_file);
-+ return 0;
-+ }
-+ }
-+ rcu_read_unlock();
-+ put_files_struct(files);
-+ } while_each_thread(p2, p);
-+ read_unlock(&tasklist_lock);
-+
-+ fput(our_file);
-+ return 1;
-+}
-+
-+static int gr_rbac_disable(void *unused)
-+{
-+ pax_open_kernel();
-+ gr_status &= ~GR_READY;
-+ pax_close_kernel();
-+
-+ return 0;
-+}
-+
-+ssize_t
-+write_grsec_handler(struct file *file, const char * buf, size_t count, loff_t *ppos)
-+{
-+ struct gr_arg_wrapper uwrap;
-+ unsigned char *sprole_salt = NULL;
-+ unsigned char *sprole_sum = NULL;
-+ int error = sizeof (struct gr_arg_wrapper);
-+ int error2 = 0;
-+
-+ mutex_lock(&gr_dev_mutex);
-+
-+ if ((gr_status & GR_READY) && !(current->acl->mode & GR_KERNELAUTH)) {
-+ error = -EPERM;
-+ goto out;
-+ }
-+
-+ if (count != sizeof (struct gr_arg_wrapper)) {
-+ gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)sizeof(struct gr_arg_wrapper));
-+ error = -EINVAL;
-+ goto out;
-+ }
-+
-+
-+ if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) {
-+ gr_auth_expires = 0;
-+ gr_auth_attempts = 0;
-+ }
-+
-+ if (copy_from_user(&uwrap, buf, sizeof (struct gr_arg_wrapper))) {
-+ error = -EFAULT;
-+ goto out;
-+ }
-+
-+ if ((uwrap.version != GRSECURITY_VERSION) || (uwrap.size != sizeof(struct gr_arg))) {
-+ error = -EINVAL;
-+ goto out;
-+ }
-+
-+ if (copy_from_user(gr_usermode, uwrap.arg, sizeof (struct gr_arg))) {
-+ error = -EFAULT;
-+ goto out;
-+ }
-+
-+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM &&
-+ gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
-+ time_after(gr_auth_expires, get_seconds())) {
-+ error = -EBUSY;
-+ goto out;
-+ }
-+
-+ /* if non-root trying to do anything other than use a special role,
-+ do not attempt authentication, do not count towards authentication
-+ locking
-+ */
-+
-+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS &&
-+ gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM &&
-+ !uid_eq(current_uid(), GLOBAL_ROOT_UID)) {
-+ error = -EPERM;
-+ goto out;
-+ }
-+
-+ /* ensure pw and special role name are null terminated */
-+
-+ gr_usermode->pw[GR_PW_LEN - 1] = '\0';
-+ gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0';
-+
-+ /* Okay.
-+ * We have our enough of the argument structure..(we have yet
-+ * to copy_from_user the tables themselves) . Copy the tables
-+ * only if we need them, i.e. for loading operations. */
-+
-+ switch (gr_usermode->mode) {
-+ case GR_STATUS:
-+ if (gr_status & GR_READY) {
-+ error = 1;
-+ if (!gr_check_secure_terminal(current))
-+ error = 3;
-+ } else
-+ error = 2;
-+ goto out;
-+ case GR_SHUTDOWN:
-+ if ((gr_status & GR_READY)
-+ && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
-+ stop_machine(gr_rbac_disable, NULL, NULL);
-+ free_variables();
-+ memset(gr_usermode, 0, sizeof (struct gr_arg));
-+ memset(gr_system_salt, 0, GR_SALT_LEN);
-+ memset(gr_system_sum, 0, GR_SHA_LEN);
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG);
-+ } else if (gr_status & GR_READY) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG);
-+ error = -EPERM;
-+ } else {
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG);
-+ error = -EAGAIN;
-+ }
-+ break;
-+ case GR_ENABLE:
-+ if (!(gr_status & GR_READY) && !(error2 = gracl_init(gr_usermode)))
-+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION);
-+ else {
-+ if (gr_status & GR_READY)
-+ error = -EAGAIN;
-+ else
-+ error = error2;
-+ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION);
-+ }
-+ break;
-+ case GR_RELOAD:
-+ if (!(gr_status & GR_READY)) {
-+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION);
-+ error = -EAGAIN;
-+ } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
-+ stop_machine(gr_rbac_disable, NULL, NULL);
-+ free_variables();
-+ error2 = gracl_init(gr_usermode);
-+ if (!error2)
-+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION);
-+ else {
-+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
-+ error = error2;
-+ }
-+ } else {
-+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
-+ error = -EPERM;
-+ }
-+ break;
-+ case GR_SEGVMOD:
-+ if (unlikely(!(gr_status & GR_READY))) {
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG);
-+ error = -EAGAIN;
-+ break;
-+ }
-+
-+ if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG);
-+ if (gr_usermode->segv_device && gr_usermode->segv_inode) {
-+ struct acl_subject_label *segvacl;
-+ segvacl =
-+ lookup_acl_subj_label(gr_usermode->segv_inode,
-+ gr_usermode->segv_device,
-+ current->role);
-+ if (segvacl) {
-+ segvacl->crashes = 0;
-+ segvacl->expires = 0;
-+ }
-+ } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) {
-+ gr_remove_uid(gr_usermode->segv_uid);
-+ }
-+ } else {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG);
-+ error = -EPERM;
-+ }
-+ break;
-+ case GR_SPROLE:
-+ case GR_SPROLEPAM:
-+ if (unlikely(!(gr_status & GR_READY))) {
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG);
-+ error = -EAGAIN;
-+ break;
-+ }
-+
-+ if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) {
-+ current->role->expires = 0;
-+ current->role->auth_attempts = 0;
-+ }
-+
-+ if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
-+ time_after(current->role->expires, get_seconds())) {
-+ error = -EBUSY;
-+ goto out;
-+ }
-+
-+ if (lookup_special_role_auth
-+ (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum)
-+ && ((!sprole_salt && !sprole_sum)
-+ || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) {
-+ char *p = "";
-+ assign_special_role(gr_usermode->sp_role);
-+ read_lock(&tasklist_lock);
-+ if (current->real_parent)
-+ p = current->real_parent->role->rolename;
-+ read_unlock(&tasklist_lock);
-+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG,
-+ p, acl_sp_role_value);
-+ } else {
-+ gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role);
-+ error = -EPERM;
-+ if(!(current->role->auth_attempts++))
-+ current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
-+
-+ goto out;
-+ }
-+ break;
-+ case GR_UNSPROLE:
-+ if (unlikely(!(gr_status & GR_READY))) {
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG);
-+ error = -EAGAIN;
-+ break;
-+ }
-+
-+ if (current->role->roletype & GR_ROLE_SPECIAL) {
-+ char *p = "";
-+ int i = 0;
-+
-+ read_lock(&tasklist_lock);
-+ if (current->real_parent) {
-+ p = current->real_parent->role->rolename;
-+ i = current->real_parent->acl_role_id;
-+ }
-+ read_unlock(&tasklist_lock);
-+
-+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i);
-+ gr_set_acls(1);
-+ } else {
-+ error = -EPERM;
-+ goto out;
-+ }
-+ break;
-+ default:
-+ gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode);
-+ error = -EINVAL;
-+ break;
-+ }
-+
-+ if (error != -EPERM)
-+ goto out;
-+
-+ if(!(gr_auth_attempts++))
-+ gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
-+
-+ out:
-+ mutex_unlock(&gr_dev_mutex);
-+ return error;
-+}
-+
-+/* must be called with
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+*/
-+int gr_apply_subject_to_task(struct task_struct *task)
-+{
-+ struct acl_object_label *obj;
-+ char *tmpname;
-+ struct acl_subject_label *tmpsubj;
-+ struct file *filp;
-+ struct name_entry *nmatch;
-+
-+ filp = task->exec_file;
-+ if (filp == NULL)
-+ return 0;
-+
-+ /* the following is to apply the correct subject
-+ on binaries running when the RBAC system
-+ is enabled, when the binaries have been
-+ replaced or deleted since their execution
-+ -----
-+ when the RBAC system starts, the inode/dev
-+ from exec_file will be one the RBAC system
-+ is unaware of. It only knows the inode/dev
-+ of the present file on disk, or the absence
-+ of it.
-+ */
-+ preempt_disable();
-+ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt);
-+
-+ nmatch = lookup_name_entry(tmpname);
-+ preempt_enable();
-+ tmpsubj = NULL;
-+ if (nmatch) {
-+ if (nmatch->deleted)
-+ tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role);
-+ else
-+ tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role);
-+ if (tmpsubj != NULL)
-+ task->acl = tmpsubj;
-+ }
-+ if (tmpsubj == NULL)
-+ task->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt,
-+ task->role);
-+ if (task->acl) {
-+ task->is_writable = 0;
-+ /* ignore additional mmap checks for processes that are writable
-+ by the default ACL */
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
-+ if (unlikely(obj->mode & GR_WRITE))
-+ task->is_writable = 1;
-+
-+ gr_set_proc_res(task);
-+
-+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
-+ printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
-+#endif
-+ } else {
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+int
-+gr_set_acls(const int type)
-+{
-+ struct task_struct *task, *task2;
-+ struct acl_role_label *role = current->role;
-+ __u16 acl_role_id = current->acl_role_id;
-+ const struct cred *cred;
-+ int ret;
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+ do_each_thread(task2, task) {
-+ /* check to see if we're called from the exit handler,
-+ if so, only replace ACLs that have inherited the admin
-+ ACL */
-+
-+ if (type && (task->role != role ||
-+ task->acl_role_id != acl_role_id))
-+ continue;
-+
-+ task->acl_role_id = 0;
-+ task->acl_sp_role = 0;
-+
-+ if (task->exec_file) {
-+ cred = __task_cred(task);
-+ task->role = lookup_acl_role_label(task, cred->uid, cred->gid);
-+ ret = gr_apply_subject_to_task(task);
-+ if (ret) {
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task->pid);
-+ return ret;
-+ }
-+ } else {
-+ // it's a kernel process
-+ task->role = kernel_role;
-+ task->acl = kernel_role->root_label;
-+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN
-+ task->acl->mode &= ~GR_PROCFIND;
-+#endif
-+ }
-+ } while_each_thread(task2, task);
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+
-+ return 0;
-+}
-+
-+void
-+gr_learn_resource(const struct task_struct *task,
-+ const int res, const unsigned long wanted, const int gt)
-+{
-+ struct acl_subject_label *acl;
-+ const struct cred *cred;
-+
-+ if (unlikely((gr_status & GR_READY) &&
-+ task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))))
-+ goto skip_reslog;
-+
-+#ifdef CONFIG_GRKERNSEC_RESLOG
-+ gr_log_resource(task, res, wanted, gt);
-+#endif
-+ skip_reslog:
-+
-+ if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS))
-+ return;
-+
-+ acl = task->acl;
-+
-+ if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) ||
-+ !(acl->resmask & (1 << (unsigned short) res))))
-+ return;
-+
-+ if (wanted >= acl->res[res].rlim_cur) {
-+ unsigned long res_add;
-+
-+ res_add = wanted;
-+ switch (res) {
-+ case RLIMIT_CPU:
-+ res_add += GR_RLIM_CPU_BUMP;
-+ break;
-+ case RLIMIT_FSIZE:
-+ res_add += GR_RLIM_FSIZE_BUMP;
-+ break;
-+ case RLIMIT_DATA:
-+ res_add += GR_RLIM_DATA_BUMP;
-+ break;
-+ case RLIMIT_STACK:
-+ res_add += GR_RLIM_STACK_BUMP;
-+ break;
-+ case RLIMIT_CORE:
-+ res_add += GR_RLIM_CORE_BUMP;
-+ break;
-+ case RLIMIT_RSS:
-+ res_add += GR_RLIM_RSS_BUMP;
-+ break;
-+ case RLIMIT_NPROC:
-+ res_add += GR_RLIM_NPROC_BUMP;
-+ break;
-+ case RLIMIT_NOFILE:
-+ res_add += GR_RLIM_NOFILE_BUMP;
-+ break;
-+ case RLIMIT_MEMLOCK:
-+ res_add += GR_RLIM_MEMLOCK_BUMP;
-+ break;
-+ case RLIMIT_AS:
-+ res_add += GR_RLIM_AS_BUMP;
-+ break;
-+ case RLIMIT_LOCKS:
-+ res_add += GR_RLIM_LOCKS_BUMP;
-+ break;
-+ case RLIMIT_SIGPENDING:
-+ res_add += GR_RLIM_SIGPENDING_BUMP;
-+ break;
-+ case RLIMIT_MSGQUEUE:
-+ res_add += GR_RLIM_MSGQUEUE_BUMP;
-+ break;
-+ case RLIMIT_NICE:
-+ res_add += GR_RLIM_NICE_BUMP;
-+ break;
-+ case RLIMIT_RTPRIO:
-+ res_add += GR_RLIM_RTPRIO_BUMP;
-+ break;
-+ case RLIMIT_RTTIME:
-+ res_add += GR_RLIM_RTTIME_BUMP;
-+ break;
-+ }
-+
-+ acl->res[res].rlim_cur = res_add;
-+
-+ if (wanted > acl->res[res].rlim_max)
-+ acl->res[res].rlim_max = res_add;
-+
-+ /* only log the subject filename, since resource logging is supported for
-+ single-subject learning only */
-+ rcu_read_lock();
-+ cred = __task_cred(task);
-+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
-+ task->role->roletype, cred->uid, cred->gid, acl->filename,
-+ acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max,
-+ "", (unsigned long) res, &task->signal->saved_ip);
-+ rcu_read_unlock();
-+ }
-+
-+ return;
-+}
-+
-+#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR))
-+void
-+pax_set_initial_flags(struct linux_binprm *bprm)
-+{
-+ struct task_struct *task = current;
-+ struct acl_subject_label *proc;
-+ unsigned long flags;
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ flags = pax_get_flags(task);
-+
-+ proc = task->acl;
-+
-+ if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC)
-+ flags &= ~MF_PAX_PAGEEXEC;
-+ if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC)
-+ flags &= ~MF_PAX_SEGMEXEC;
-+ if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP)
-+ flags &= ~MF_PAX_RANDMMAP;
-+ if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP)
-+ flags &= ~MF_PAX_EMUTRAMP;
-+ if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT)
-+ flags &= ~MF_PAX_MPROTECT;
-+
-+ if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC)
-+ flags |= MF_PAX_PAGEEXEC;
-+ if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC)
-+ flags |= MF_PAX_SEGMEXEC;
-+ if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP)
-+ flags |= MF_PAX_RANDMMAP;
-+ if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP)
-+ flags |= MF_PAX_EMUTRAMP;
-+ if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT)
-+ flags |= MF_PAX_MPROTECT;
-+
-+ pax_set_flags(task, flags);
-+
-+ return;
-+}
-+#endif
-+
-+int
-+gr_handle_proc_ptrace(struct task_struct *task)
-+{
-+ struct file *filp;
-+ struct task_struct *tmp = task;
-+ struct task_struct *curtemp = current;
-+ __u32 retmode;
-+
-+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+#endif
-+
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+ filp = task->exec_file;
-+
-+ while (tmp->pid > 0) {
-+ if (tmp == curtemp)
-+ break;
-+ tmp = tmp->real_parent;
-+ }
-+
-+ if (!filp || (tmp->pid == 0 && ((grsec_enable_harden_ptrace && !uid_eq(current_uid(), GLOBAL_ROOT_UID) && !(gr_status & GR_READY)) ||
-+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) {
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ return 1;
-+ }
-+
-+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ if (!(gr_status & GR_READY)) {
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ return 0;
-+ }
-+#endif
-+
-+ retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt);
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+
-+ if (retmode & GR_NOPTRACE)
-+ return 1;
-+
-+ if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD)
-+ && (current->acl != task->acl || (current->acl != current->role->root_label
-+ && current->pid != task->pid)))
-+ return 1;
-+
-+ return 0;
-+}
-+
-+void task_grsec_rbac(struct seq_file *m, struct task_struct *p)
-+{
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return;
-+
-+ if (!(current->role->roletype & GR_ROLE_GOD))
-+ return;
-+
-+ seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n",
-+ p->role->rolename, gr_task_roletype_to_char(p),
-+ p->acl->filename);
-+}
-+
-+int
-+gr_handle_ptrace(struct task_struct *task, const long request)
-+{
-+ struct task_struct *tmp = task;
-+ struct task_struct *curtemp = current;
-+ __u32 retmode;
-+
-+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+#endif
-+ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
-+ read_lock(&tasklist_lock);
-+ while (tmp->pid > 0) {
-+ if (tmp == curtemp)
-+ break;
-+ tmp = tmp->real_parent;
-+ }
-+
-+ if (tmp->pid == 0 && ((grsec_enable_harden_ptrace && !uid_eq(current_uid(), GLOBAL_ROOT_UID) && !(gr_status & GR_READY)) ||
-+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) {
-+ read_unlock(&tasklist_lock);
-+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
-+ return 1;
-+ }
-+ read_unlock(&tasklist_lock);
-+ }
-+
-+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ if (!(gr_status & GR_READY))
-+ return 0;
-+#endif
-+
-+ read_lock(&grsec_exec_file_lock);
-+ if (unlikely(!task->exec_file)) {
-+ read_unlock(&grsec_exec_file_lock);
-+ return 0;
-+ }
-+
-+ retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt);
-+ read_unlock(&grsec_exec_file_lock);
-+
-+ if (retmode & GR_NOPTRACE) {
-+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
-+ return 1;
-+ }
-+
-+ if (retmode & GR_PTRACERD) {
-+ switch (request) {
-+ case PTRACE_SEIZE:
-+ case PTRACE_POKETEXT:
-+ case PTRACE_POKEDATA:
-+ case PTRACE_POKEUSR:
-+#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64)
-+ case PTRACE_SETREGS:
-+ case PTRACE_SETFPREGS:
-+#endif
-+#ifdef CONFIG_X86
-+ case PTRACE_SETFPXREGS:
-+#endif
-+#ifdef CONFIG_ALTIVEC
-+ case PTRACE_SETVRREGS:
-+#endif
-+ return 1;
-+ default:
-+ return 0;
-+ }
-+ } else if (!(current->acl->mode & GR_POVERRIDE) &&
-+ !(current->role->roletype & GR_ROLE_GOD) &&
-+ (current->acl != task->acl)) {
-+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+static int is_writable_mmap(const struct file *filp)
-+{
-+ struct task_struct *task = current;
-+ struct acl_object_label *obj, *obj2;
-+
-+ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) &&
-+ !task->is_writable && S_ISREG(filp->f_path.dentry->d_inode->i_mode) && (filp->f_path.mnt != shm_mnt || (filp->f_path.dentry->d_inode->i_nlink > 0))) {
-+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
-+ obj2 = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt,
-+ task->role->root_label);
-+ if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, filp->f_path.dentry, filp->f_path.mnt);
-+ return 1;
-+ }
-+ }
-+ return 0;
-+}
-+
-+int
-+gr_acl_handle_mmap(const struct file *file, const unsigned long prot)
-+{
-+ __u32 mode;
-+
-+ if (unlikely(!file || !(prot & PROT_EXEC)))
-+ return 1;
-+
-+ if (is_writable_mmap(file))
-+ return 0;
-+
-+ mode =
-+ gr_search_file(file->f_path.dentry,
-+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
-+ file->f_path.mnt);
-+
-+ if (!gr_tpe_allow(file))
-+ return 0;
-+
-+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
-+ return 0;
-+ } else if (unlikely(!(mode & GR_EXEC))) {
-+ return 0;
-+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
-+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
-+ return 1;
-+ }
-+
-+ return 1;
-+}
-+
-+int
-+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
-+{
-+ __u32 mode;
-+
-+ if (unlikely(!file || !(prot & PROT_EXEC)))
-+ return 1;
-+
-+ if (is_writable_mmap(file))
-+ return 0;
-+
-+ mode =
-+ gr_search_file(file->f_path.dentry,
-+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
-+ file->f_path.mnt);
-+
-+ if (!gr_tpe_allow(file))
-+ return 0;
-+
-+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
-+ return 0;
-+ } else if (unlikely(!(mode & GR_EXEC))) {
-+ return 0;
-+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
-+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
-+ return 1;
-+ }
-+
-+ return 1;
-+}
-+
-+void
-+gr_acl_handle_psacct(struct task_struct *task, const long code)
-+{
-+ unsigned long runtime;
-+ unsigned long cputime;
-+ unsigned int wday, cday;
-+ __u8 whr, chr;
-+ __u8 wmin, cmin;
-+ __u8 wsec, csec;
-+ struct timespec timeval;
-+
-+ if (unlikely(!(gr_status & GR_READY) || !task->acl ||
-+ !(task->acl->mode & GR_PROCACCT)))
-+ return;
-+
-+ do_posix_clock_monotonic_gettime(&timeval);
-+ runtime = timeval.tv_sec - task->start_time.tv_sec;
-+ wday = runtime / (3600 * 24);
-+ runtime -= wday * (3600 * 24);
-+ whr = runtime / 3600;
-+ runtime -= whr * 3600;
-+ wmin = runtime / 60;
-+ runtime -= wmin * 60;
-+ wsec = runtime;
-+
-+ cputime = (task->utime + task->stime) / HZ;
-+ cday = cputime / (3600 * 24);
-+ cputime -= cday * (3600 * 24);
-+ chr = cputime / 3600;
-+ cputime -= chr * 3600;
-+ cmin = cputime / 60;
-+ cputime -= cmin * 60;
-+ csec = cputime;
-+
-+ gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code);
-+
-+ return;
-+}
-+
-+void gr_set_kernel_label(struct task_struct *task)
-+{
-+ if (gr_status & GR_READY) {
-+ task->role = kernel_role;
-+ task->acl = kernel_role->root_label;
-+ }
-+ return;
-+}
-+
-+#ifdef CONFIG_TASKSTATS
-+int gr_is_taskstats_denied(int pid)
-+{
-+ struct task_struct *task;
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ const struct cred *cred;
-+#endif
-+ int ret = 0;
-+
-+ /* restrict taskstats viewing to un-chrooted root users
-+ who have the 'view' subject flag if the RBAC system is enabled
-+ */
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ task = find_task_by_vpid(pid);
-+ if (task) {
-+#ifdef CONFIG_GRKERNSEC_CHROOT
-+ if (proc_is_chrooted(task))
-+ ret = -EACCES;
-+#endif
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ cred = __task_cred(task);
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID))
-+ ret = -EACCES;
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID) && !groups_search(cred->group_info, CONFIG_GRKERNSEC_PROC_GID))
-+ ret = -EACCES;
-+#endif
-+#endif
-+ if (gr_status & GR_READY) {
-+ if (!(task->acl->mode & GR_VIEW))
-+ ret = -EACCES;
-+ }
-+ } else
-+ ret = -ENOENT;
-+
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+
-+ return ret;
-+}
-+#endif
-+
-+/* AUXV entries are filled via a descendant of search_binary_handler
-+ after we've already applied the subject for the target
-+*/
-+int gr_acl_enable_at_secure(void)
-+{
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 0;
-+
-+ if (current->acl->mode & GR_ATSECURE)
-+ return 1;
-+
-+ return 0;
-+}
-+
-+int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const ino_t ino)
-+{
-+ struct task_struct *task = current;
-+ struct dentry *dentry = file->f_path.dentry;
-+ struct vfsmount *mnt = file->f_path.mnt;
-+ struct acl_object_label *obj, *tmp;
-+ struct acl_subject_label *subj;
-+ unsigned int bufsize;
-+ int is_not_root;
-+ char *path;
-+ dev_t dev = __get_dev(dentry);
-+
-+ if (unlikely(!(gr_status & GR_READY)))
-+ return 1;
-+
-+ if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))
-+ return 1;
-+
-+ /* ignore Eric Biederman */
-+ if (IS_PRIVATE(dentry->d_inode))
-+ return 1;
-+
-+ subj = task->acl;
-+ read_lock(&gr_inode_lock);
-+ do {
-+ obj = lookup_acl_obj_label(ino, dev, subj);
-+ if (obj != NULL) {
-+ read_unlock(&gr_inode_lock);
-+ return (obj->mode & GR_FIND) ? 1 : 0;
-+ }
-+ } while ((subj = subj->parent_subject));
-+ read_unlock(&gr_inode_lock);
-+
-+ /* this is purely an optimization since we're looking for an object
-+ for the directory we're doing a readdir on
-+ if it's possible for any globbed object to match the entry we're
-+ filling into the directory, then the object we find here will be
-+ an anchor point with attached globbed objects
-+ */
-+ obj = chk_obj_label_noglob(dentry, mnt, task->acl);
-+ if (obj->globbed == NULL)
-+ return (obj->mode & GR_FIND) ? 1 : 0;
-+
-+ is_not_root = ((obj->filename[0] == '/') &&
-+ (obj->filename[1] == '\0')) ? 0 : 1;
-+ bufsize = PAGE_SIZE - namelen - is_not_root;
-+
-+ /* check bufsize > PAGE_SIZE || bufsize == 0 */
-+ if (unlikely((bufsize - 1) > (PAGE_SIZE - 1)))
-+ return 1;
-+
-+ preempt_disable();
-+ path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
-+ bufsize);
-+
-+ bufsize = strlen(path);
-+
-+ /* if base is "/", don't append an additional slash */
-+ if (is_not_root)
-+ *(path + bufsize) = '/';
-+ memcpy(path + bufsize + is_not_root, name, namelen);
-+ *(path + bufsize + namelen + is_not_root) = '\0';
-+
-+ tmp = obj->globbed;
-+ while (tmp) {
-+ if (!glob_match(tmp->filename, path)) {
-+ preempt_enable();
-+ return (tmp->mode & GR_FIND) ? 1 : 0;
-+ }
-+ tmp = tmp->next;
-+ }
-+ preempt_enable();
-+ return (obj->mode & GR_FIND) ? 1 : 0;
-+}
-+
-+#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE
-+EXPORT_SYMBOL(gr_acl_is_enabled);
-+#endif
-+EXPORT_SYMBOL(gr_learn_resource);
-+EXPORT_SYMBOL(gr_set_kernel_label);
-+#ifdef CONFIG_SECURITY
-+EXPORT_SYMBOL(gr_check_user_change);
-+EXPORT_SYMBOL(gr_check_group_change);
-+#endif
-+
-diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c
-new file mode 100644
-index 0000000..34fefda
---- /dev/null
-+++ b/grsecurity/gracl_alloc.c
-@@ -0,0 +1,105 @@
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <linux/slab.h>
-+#include <linux/vmalloc.h>
-+#include <linux/gracl.h>
-+#include <linux/grsecurity.h>
-+
-+static unsigned long alloc_stack_next = 1;
-+static unsigned long alloc_stack_size = 1;
-+static void **alloc_stack;
-+
-+static __inline__ int
-+alloc_pop(void)
-+{
-+ if (alloc_stack_next == 1)
-+ return 0;
-+
-+ kfree(alloc_stack[alloc_stack_next - 2]);
-+
-+ alloc_stack_next--;
-+
-+ return 1;
-+}
-+
-+static __inline__ int
-+alloc_push(void *buf)
-+{
-+ if (alloc_stack_next >= alloc_stack_size)
-+ return 1;
-+
-+ alloc_stack[alloc_stack_next - 1] = buf;
-+
-+ alloc_stack_next++;
-+
-+ return 0;
-+}
-+
-+void *
-+acl_alloc(unsigned long len)
-+{
-+ void *ret = NULL;
-+
-+ if (!len || len > PAGE_SIZE)
-+ goto out;
-+
-+ ret = kmalloc(len, GFP_KERNEL);
-+
-+ if (ret) {
-+ if (alloc_push(ret)) {
-+ kfree(ret);
-+ ret = NULL;
-+ }
-+ }
-+
-+out:
-+ return ret;
-+}
-+
-+void *
-+acl_alloc_num(unsigned long num, unsigned long len)
-+{
-+ if (!len || (num > (PAGE_SIZE / len)))
-+ return NULL;
-+
-+ return acl_alloc(num * len);
-+}
-+
-+void
-+acl_free_all(void)
-+{
-+ if (gr_acl_is_enabled() || !alloc_stack)
-+ return;
-+
-+ while (alloc_pop()) ;
-+
-+ if (alloc_stack) {
-+ if ((alloc_stack_size * sizeof (void *)) <= PAGE_SIZE)
-+ kfree(alloc_stack);
-+ else
-+ vfree(alloc_stack);
-+ }
-+
-+ alloc_stack = NULL;
-+ alloc_stack_size = 1;
-+ alloc_stack_next = 1;
-+
-+ return;
-+}
-+
-+int
-+acl_alloc_stack_init(unsigned long size)
-+{
-+ if ((size * sizeof (void *)) <= PAGE_SIZE)
-+ alloc_stack =
-+ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL);
-+ else
-+ alloc_stack = (void **) vmalloc(size * sizeof (void *));
-+
-+ alloc_stack_size = size;
-+
-+ if (!alloc_stack)
-+ return 0;
-+ else
-+ return 1;
-+}
-diff --git a/grsecurity/gracl_cap.c b/grsecurity/gracl_cap.c
-new file mode 100644
-index 0000000..6d21049
---- /dev/null
-+++ b/grsecurity/gracl_cap.c
-@@ -0,0 +1,110 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/sched.h>
-+#include <linux/gracl.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+extern const char *captab_log[];
-+extern int captab_log_entries;
-+
-+int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
-+{
-+ struct acl_subject_label *curracl;
-+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
-+ kernel_cap_t cap_audit = __cap_empty_set;
-+
-+ if (!gr_acl_is_enabled())
-+ return 1;
-+
-+ curracl = task->acl;
-+
-+ cap_drop = curracl->cap_lower;
-+ cap_mask = curracl->cap_mask;
-+ cap_audit = curracl->cap_invert_audit;
-+
-+ while ((curracl = curracl->parent_subject)) {
-+ /* if the cap isn't specified in the current computed mask but is specified in the
-+ current level subject, and is lowered in the current level subject, then add
-+ it to the set of dropped capabilities
-+ otherwise, add the current level subject's mask to the current computed mask
-+ */
-+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
-+ cap_raise(cap_mask, cap);
-+ if (cap_raised(curracl->cap_lower, cap))
-+ cap_raise(cap_drop, cap);
-+ if (cap_raised(curracl->cap_invert_audit, cap))
-+ cap_raise(cap_audit, cap);
-+ }
-+ }
-+
-+ if (!cap_raised(cap_drop, cap)) {
-+ if (cap_raised(cap_audit, cap))
-+ gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]);
-+ return 1;
-+ }
-+
-+ curracl = task->acl;
-+
-+ if ((curracl->mode & (GR_LEARN | GR_INHERITLEARN))
-+ && cap_raised(cred->cap_effective, cap)) {
-+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
-+ task->role->roletype, cred->uid,
-+ cred->gid, task->exec_file ?
-+ gr_to_filename(task->exec_file->f_path.dentry,
-+ task->exec_file->f_path.mnt) : curracl->filename,
-+ curracl->filename, 0UL,
-+ 0UL, "", (unsigned long) cap, &task->signal->saved_ip);
-+ return 1;
-+ }
-+
-+ if ((cap >= 0) && (cap < captab_log_entries) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap))
-+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]);
-+
-+ return 0;
-+}
-+
-+int
-+gr_acl_is_capable(const int cap)
-+{
-+ return gr_task_acl_is_capable(current, current_cred(), cap);
-+}
-+
-+int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap)
-+{
-+ struct acl_subject_label *curracl;
-+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
-+
-+ if (!gr_acl_is_enabled())
-+ return 1;
-+
-+ curracl = task->acl;
-+
-+ cap_drop = curracl->cap_lower;
-+ cap_mask = curracl->cap_mask;
-+
-+ while ((curracl = curracl->parent_subject)) {
-+ /* if the cap isn't specified in the current computed mask but is specified in the
-+ current level subject, and is lowered in the current level subject, then add
-+ it to the set of dropped capabilities
-+ otherwise, add the current level subject's mask to the current computed mask
-+ */
-+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
-+ cap_raise(cap_mask, cap);
-+ if (cap_raised(curracl->cap_lower, cap))
-+ cap_raise(cap_drop, cap);
-+ }
-+ }
-+
-+ if (!cap_raised(cap_drop, cap))
-+ return 1;
-+
-+ return 0;
-+}
-+
-+int
-+gr_acl_is_capable_nolog(const int cap)
-+{
-+ return gr_task_acl_is_capable_nolog(current, cap);
-+}
-+
-diff --git a/grsecurity/gracl_fs.c b/grsecurity/gracl_fs.c
-new file mode 100644
-index 0000000..d28e241
---- /dev/null
-+++ b/grsecurity/gracl_fs.c
-@@ -0,0 +1,437 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/types.h>
-+#include <linux/fs.h>
-+#include <linux/file.h>
-+#include <linux/stat.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+#include <linux/gracl.h>
-+
-+umode_t
-+gr_acl_umask(void)
-+{
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return 0;
-+
-+ return current->role->umask;
-+}
-+
-+__u32
-+gr_acl_handle_hidden_file(const struct dentry * dentry,
-+ const struct vfsmount * mnt)
-+{
-+ __u32 mode;
-+
-+ if (unlikely(!dentry->d_inode))
-+ return GR_FIND;
-+
-+ mode =
-+ gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt);
-+
-+ if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) {
-+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
-+ return mode;
-+ } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
-+ return 0;
-+ } else if (unlikely(!(mode & GR_FIND)))
-+ return 0;
-+
-+ return GR_FIND;
-+}
-+
-+__u32
-+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
-+ int acc_mode)
-+{
-+ __u32 reqmode = GR_FIND;
-+ __u32 mode;
-+
-+ if (unlikely(!dentry->d_inode))
-+ return reqmode;
-+
-+ if (acc_mode & MAY_APPEND)
-+ reqmode |= GR_APPEND;
-+ else if (acc_mode & MAY_WRITE)
-+ reqmode |= GR_WRITE;
-+ if ((acc_mode & MAY_READ) && !S_ISDIR(dentry->d_inode->i_mode))
-+ reqmode |= GR_READ;
-+
-+ mode =
-+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
-+ mnt);
-+
-+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
-+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : reqmode &
-+ GR_APPEND ? " appending" : "");
-+ return reqmode;
-+ } else
-+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
-+ {
-+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : reqmode &
-+ GR_APPEND ? " appending" : "");
-+ return 0;
-+ } else if (unlikely((mode & reqmode) != reqmode))
-+ return 0;
-+
-+ return reqmode;
-+}
-+
-+__u32
-+gr_acl_handle_creat(const struct dentry * dentry,
-+ const struct dentry * p_dentry,
-+ const struct vfsmount * p_mnt, int open_flags, int acc_mode,
-+ const int imode)
-+{
-+ __u32 reqmode = GR_WRITE | GR_CREATE;
-+ __u32 mode;
-+
-+ if (acc_mode & MAY_APPEND)
-+ reqmode |= GR_APPEND;
-+ // if a directory was required or the directory already exists, then
-+ // don't count this open as a read
-+ if ((acc_mode & MAY_READ) &&
-+ !((open_flags & O_DIRECTORY) || (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode))))
-+ reqmode |= GR_READ;
-+ if ((open_flags & O_CREAT) &&
-+ ((imode & S_ISUID) || ((imode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
-+ reqmode |= GR_SETID;
-+
-+ mode =
-+ gr_check_create(dentry, p_dentry, p_mnt,
-+ reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
-+
-+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
-+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : reqmode &
-+ GR_APPEND ? " appending" : "");
-+ return reqmode;
-+ } else
-+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
-+ {
-+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : reqmode &
-+ GR_APPEND ? " appending" : "");
-+ return 0;
-+ } else if (unlikely((mode & reqmode) != reqmode))
-+ return 0;
-+
-+ return reqmode;
-+}
-+
-+__u32
-+gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt,
-+ const int fmode)
-+{
-+ __u32 mode, reqmode = GR_FIND;
-+
-+ if ((fmode & S_IXOTH) && !S_ISDIR(dentry->d_inode->i_mode))
-+ reqmode |= GR_EXEC;
-+ if (fmode & S_IWOTH)
-+ reqmode |= GR_WRITE;
-+ if (fmode & S_IROTH)
-+ reqmode |= GR_READ;
-+
-+ mode =
-+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
-+ mnt);
-+
-+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
-+ gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : "",
-+ reqmode & GR_EXEC ? " executing" : "");
-+ return reqmode;
-+ } else
-+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
-+ {
-+ gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
-+ reqmode & GR_READ ? " reading" : "",
-+ reqmode & GR_WRITE ? " writing" : "",
-+ reqmode & GR_EXEC ? " executing" : "");
-+ return 0;
-+ } else if (unlikely((mode & reqmode) != reqmode))
-+ return 0;
-+
-+ return reqmode;
-+}
-+
-+static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt)
-+{
-+ __u32 mode;
-+
-+ mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt);
-+
-+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
-+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt);
-+ return mode;
-+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt);
-+ return 0;
-+ } else if (unlikely((mode & (reqmode)) != (reqmode)))
-+ return 0;
-+
-+ return (reqmode);
-+}
-+
-+__u32
-+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt,
-+ umode_t *modeptr)
-+{
-+ umode_t mode;
-+
-+ *modeptr &= ~gr_acl_umask();
-+ mode = *modeptr;
-+
-+ if (unlikely(dentry->d_inode && S_ISSOCK(dentry->d_inode->i_mode)))
-+ return 1;
-+
-+ if (unlikely(dentry->d_inode && !S_ISDIR(dentry->d_inode->i_mode) &&
-+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))) {
-+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID,
-+ GR_CHMOD_ACL_MSG);
-+ } else {
-+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG);
-+ }
-+}
-+
-+__u32
-+gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE,
-+ GR_UNIXCONNECT_ACL_MSG);
-+}
-+
-+/* hardlinks require at minimum create and link permission,
-+ any additional privilege required is based on the
-+ privilege of the file being linked to
-+*/
-+__u32
-+gr_acl_handle_link(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt,
-+ const struct dentry * old_dentry,
-+ const struct vfsmount * old_mnt, const char *to)
-+{
-+ __u32 mode;
-+ __u32 needmode = GR_CREATE | GR_LINK;
-+ __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK;
-+
-+ mode =
-+ gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry,
-+ old_mnt);
-+
-+ if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) {
-+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to);
-+ return mode;
-+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to);
-+ return 0;
-+ } else if (unlikely((mode & needmode) != needmode))
-+ return 0;
-+
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_symlink(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt, const char *from)
-+{
-+ __u32 needmode = GR_WRITE | GR_CREATE;
-+ __u32 mode;
-+
-+ mode =
-+ gr_check_create(new_dentry, parent_dentry, parent_mnt,
-+ GR_CREATE | GR_AUDIT_CREATE |
-+ GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS);
-+
-+ if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) {
-+ gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt);
-+ return mode;
-+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt);
-+ return 0;
-+ } else if (unlikely((mode & needmode) != needmode))
-+ return 0;
-+
-+ return (GR_WRITE | GR_CREATE);
-+}
-+
-+static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt)
-+{
-+ __u32 mode;
-+
-+ mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
-+
-+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
-+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt);
-+ return mode;
-+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
-+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt);
-+ return 0;
-+ } else if (unlikely((mode & (reqmode)) != (reqmode)))
-+ return 0;
-+
-+ return (reqmode);
-+}
-+
-+__u32
-+gr_acl_handle_mknod(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt,
-+ const int mode)
-+{
-+ __u32 reqmode = GR_WRITE | GR_CREATE;
-+ if (unlikely((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
-+ reqmode |= GR_SETID;
-+
-+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
-+ reqmode, GR_MKNOD_ACL_MSG);
-+}
-+
-+__u32
-+gr_acl_handle_mkdir(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt)
-+{
-+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
-+ GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG);
-+}
-+
-+#define RENAME_CHECK_SUCCESS(old, new) \
-+ (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \
-+ ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)))
-+
-+int
-+gr_acl_handle_rename(struct dentry *new_dentry,
-+ struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ struct dentry *old_dentry,
-+ struct inode *old_parent_inode,
-+ struct vfsmount *old_mnt, const char *newname)
-+{
-+ __u32 comp1, comp2;
-+ int error = 0;
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return 0;
-+
-+ if (!new_dentry->d_inode) {
-+ comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt,
-+ GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ |
-+ GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS);
-+ comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE |
-+ GR_DELETE | GR_AUDIT_DELETE |
-+ GR_AUDIT_READ | GR_AUDIT_WRITE |
-+ GR_SUPPRESS, old_mnt);
-+ } else {
-+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE |
-+ GR_CREATE | GR_DELETE |
-+ GR_AUDIT_CREATE | GR_AUDIT_DELETE |
-+ GR_AUDIT_READ | GR_AUDIT_WRITE |
-+ GR_SUPPRESS, parent_mnt);
-+ comp2 =
-+ gr_search_file(old_dentry,
-+ GR_READ | GR_WRITE | GR_AUDIT_READ |
-+ GR_DELETE | GR_AUDIT_DELETE |
-+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt);
-+ }
-+
-+ if (RENAME_CHECK_SUCCESS(comp1, comp2) &&
-+ ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS)))
-+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname);
-+ else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS)
-+ && !(comp2 & GR_SUPPRESS)) {
-+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname);
-+ error = -EACCES;
-+ } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2)))
-+ error = -EACCES;
-+
-+ return error;
-+}
-+
-+void
-+gr_acl_handle_exit(void)
-+{
-+ u16 id;
-+ char *rolename;
-+ struct file *exec_file;
-+
-+ if (unlikely(current->acl_sp_role && gr_acl_is_enabled() &&
-+ !(current->role->roletype & GR_ROLE_PERSIST))) {
-+ id = current->acl_role_id;
-+ rolename = current->role->rolename;
-+ gr_set_acls(1);
-+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id);
-+ }
-+
-+ write_lock(&grsec_exec_file_lock);
-+ exec_file = current->exec_file;
-+ current->exec_file = NULL;
-+ write_unlock(&grsec_exec_file_lock);
-+
-+ if (exec_file)
-+ fput(exec_file);
-+}
-+
-+int
-+gr_acl_handle_procpidmem(const struct task_struct *task)
-+{
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return 0;
-+
-+ if (task != current && task->acl->mode & GR_PROTPROCFD)
-+ return -EACCES;
-+
-+ return 0;
-+}
-diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c
-new file mode 100644
-index 0000000..58800a7
---- /dev/null
-+++ b/grsecurity/gracl_ip.c
-@@ -0,0 +1,384 @@
-+#include <linux/kernel.h>
-+#include <asm/uaccess.h>
-+#include <asm/errno.h>
-+#include <net/sock.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/net.h>
-+#include <linux/in.h>
-+#include <linux/skbuff.h>
-+#include <linux/ip.h>
-+#include <linux/udp.h>
-+#include <linux/types.h>
-+#include <linux/sched.h>
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <linux/gracl.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+#define GR_BIND 0x01
-+#define GR_CONNECT 0x02
-+#define GR_INVERT 0x04
-+#define GR_BINDOVERRIDE 0x08
-+#define GR_CONNECTOVERRIDE 0x10
-+#define GR_SOCK_FAMILY 0x20
-+
-+static const char * gr_protocols[IPPROTO_MAX] = {
-+ "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt",
-+ "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet",
-+ "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1",
-+ "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp",
-+ "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++",
-+ "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre",
-+ "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile",
-+ "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63",
-+ "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv",
-+ "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak",
-+ "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf",
-+ "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp",
-+ "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim",
-+ "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip",
-+ "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp",
-+ "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup",
-+ "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135",
-+ "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143",
-+ "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151",
-+ "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159",
-+ "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167",
-+ "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175",
-+ "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183",
-+ "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191",
-+ "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199",
-+ "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207",
-+ "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215",
-+ "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223",
-+ "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231",
-+ "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239",
-+ "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247",
-+ "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255",
-+ };
-+
-+static const char * gr_socktypes[SOCK_MAX] = {
-+ "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6",
-+ "unknown:7", "unknown:8", "unknown:9", "packet"
-+ };
-+
-+static const char * gr_sockfamilies[AF_MAX+1] = {
-+ "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25",
-+ "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash",
-+ "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28",
-+ "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf"
-+ };
-+
-+const char *
-+gr_proto_to_name(unsigned char proto)
-+{
-+ return gr_protocols[proto];
-+}
-+
-+const char *
-+gr_socktype_to_name(unsigned char type)
-+{
-+ return gr_socktypes[type];
-+}
-+
-+const char *
-+gr_sockfamily_to_name(unsigned char family)
-+{
-+ return gr_sockfamilies[family];
-+}
-+
-+int
-+gr_search_socket(const int domain, const int type, const int protocol)
-+{
-+ struct acl_subject_label *curr;
-+ const struct cred *cred = current_cred();
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ goto exit;
-+
-+ if ((domain < 0) || (type < 0) || (protocol < 0) ||
-+ (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX))
-+ goto exit; // let the kernel handle it
-+
-+ curr = current->acl;
-+
-+ if (curr->sock_families[domain / 32] & (1 << (domain % 32))) {
-+ /* the family is allowed, if this is PF_INET allow it only if
-+ the extra sock type/protocol checks pass */
-+ if (domain == PF_INET)
-+ goto inet_check;
-+ goto exit;
-+ } else {
-+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
-+ __u32 fakeip = 0;
-+ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
-+ current->role->roletype, cred->uid,
-+ cred->gid, current->exec_file ?
-+ gr_to_filename(current->exec_file->f_path.dentry,
-+ current->exec_file->f_path.mnt) :
-+ curr->filename, curr->filename,
-+ &fakeip, domain, 0, 0, GR_SOCK_FAMILY,
-+ ¤t->signal->saved_ip);
-+ goto exit;
-+ }
-+ goto exit_fail;
-+ }
-+
-+inet_check:
-+ /* the rest of this checking is for IPv4 only */
-+ if (!curr->ips)
-+ goto exit;
-+
-+ if ((curr->ip_type & (1 << type)) &&
-+ (curr->ip_proto[protocol / 32] & (1 << (protocol % 32))))
-+ goto exit;
-+
-+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
-+ /* we don't place acls on raw sockets , and sometimes
-+ dgram/ip sockets are opened for ioctl and not
-+ bind/connect, so we'll fake a bind learn log */
-+ if (type == SOCK_RAW || type == SOCK_PACKET) {
-+ __u32 fakeip = 0;
-+ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
-+ current->role->roletype, cred->uid,
-+ cred->gid, current->exec_file ?
-+ gr_to_filename(current->exec_file->f_path.dentry,
-+ current->exec_file->f_path.mnt) :
-+ curr->filename, curr->filename,
-+ &fakeip, 0, type,
-+ protocol, GR_CONNECT, ¤t->signal->saved_ip);
-+ } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) {
-+ __u32 fakeip = 0;
-+ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
-+ current->role->roletype, cred->uid,
-+ cred->gid, current->exec_file ?
-+ gr_to_filename(current->exec_file->f_path.dentry,
-+ current->exec_file->f_path.mnt) :
-+ curr->filename, curr->filename,
-+ &fakeip, 0, type,
-+ protocol, GR_BIND, ¤t->signal->saved_ip);
-+ }
-+ /* we'll log when they use connect or bind */
-+ goto exit;
-+ }
-+
-+exit_fail:
-+ if (domain == PF_INET)
-+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain),
-+ gr_socktype_to_name(type), gr_proto_to_name(protocol));
-+ else
-+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain),
-+ gr_socktype_to_name(type), protocol);
-+
-+ return 0;
-+exit:
-+ return 1;
-+}
-+
-+int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask)
-+{
-+ if ((ip->mode & mode) &&
-+ (ip_port >= ip->low) &&
-+ (ip_port <= ip->high) &&
-+ ((ntohl(ip_addr) & our_netmask) ==
-+ (ntohl(our_addr) & our_netmask))
-+ && (ip->proto[protocol / 32] & (1 << (protocol % 32)))
-+ && (ip->type & (1 << type))) {
-+ if (ip->mode & GR_INVERT)
-+ return 2; // specifically denied
-+ else
-+ return 1; // allowed
-+ }
-+
-+ return 0; // not specifically allowed, may continue parsing
-+}
-+
-+static int
-+gr_search_connectbind(const int full_mode, struct sock *sk,
-+ struct sockaddr_in *addr, const int type)
-+{
-+ char iface[IFNAMSIZ] = {0};
-+ struct acl_subject_label *curr;
-+ struct acl_ip_label *ip;
-+ struct inet_sock *isk;
-+ struct net_device *dev;
-+ struct in_device *idev;
-+ unsigned long i;
-+ int ret;
-+ int mode = full_mode & (GR_BIND | GR_CONNECT);
-+ __u32 ip_addr = 0;
-+ __u32 our_addr;
-+ __u32 our_netmask;
-+ char *p;
-+ __u16 ip_port = 0;
-+ const struct cred *cred = current_cred();
-+
-+ if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET))
-+ return 0;
-+
-+ curr = current->acl;
-+ isk = inet_sk(sk);
-+
-+ /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */
-+ if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0)
-+ addr->sin_addr.s_addr = curr->inaddr_any_override;
-+ if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) {
-+ struct sockaddr_in saddr;
-+ int err;
-+
-+ saddr.sin_family = AF_INET;
-+ saddr.sin_addr.s_addr = curr->inaddr_any_override;
-+ saddr.sin_port = isk->inet_sport;
-+
-+ err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
-+ if (err)
-+ return err;
-+
-+ err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
-+ if (err)
-+ return err;
-+ }
-+
-+ if (!curr->ips)
-+ return 0;
-+
-+ ip_addr = addr->sin_addr.s_addr;
-+ ip_port = ntohs(addr->sin_port);
-+
-+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
-+ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
-+ current->role->roletype, cred->uid,
-+ cred->gid, current->exec_file ?
-+ gr_to_filename(current->exec_file->f_path.dentry,
-+ current->exec_file->f_path.mnt) :
-+ curr->filename, curr->filename,
-+ &ip_addr, ip_port, type,
-+ sk->sk_protocol, mode, ¤t->signal->saved_ip);
-+ return 0;
-+ }
-+
-+ for (i = 0; i < curr->ip_num; i++) {
-+ ip = *(curr->ips + i);
-+ if (ip->iface != NULL) {
-+ strncpy(iface, ip->iface, IFNAMSIZ - 1);
-+ p = strchr(iface, ':');
-+ if (p != NULL)
-+ *p = '\0';
-+ dev = dev_get_by_name(sock_net(sk), iface);
-+ if (dev == NULL)
-+ continue;
-+ idev = in_dev_get(dev);
-+ if (idev == NULL) {
-+ dev_put(dev);
-+ continue;
-+ }
-+ rcu_read_lock();
-+ for_ifa(idev) {
-+ if (!strcmp(ip->iface, ifa->ifa_label)) {
-+ our_addr = ifa->ifa_address;
-+ our_netmask = 0xffffffff;
-+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
-+ if (ret == 1) {
-+ rcu_read_unlock();
-+ in_dev_put(idev);
-+ dev_put(dev);
-+ return 0;
-+ } else if (ret == 2) {
-+ rcu_read_unlock();
-+ in_dev_put(idev);
-+ dev_put(dev);
-+ goto denied;
-+ }
-+ }
-+ } endfor_ifa(idev);
-+ rcu_read_unlock();
-+ in_dev_put(idev);
-+ dev_put(dev);
-+ } else {
-+ our_addr = ip->addr;
-+ our_netmask = ip->netmask;
-+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
-+ if (ret == 1)
-+ return 0;
-+ else if (ret == 2)
-+ goto denied;
-+ }
-+ }
-+
-+denied:
-+ if (mode == GR_BIND)
-+ gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
-+ else if (mode == GR_CONNECT)
-+ gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
-+
-+ return -EACCES;
-+}
-+
-+int
-+gr_search_connect(struct socket *sock, struct sockaddr_in *addr)
-+{
-+ /* always allow disconnection of dgram sockets with connect */
-+ if (addr->sin_family == AF_UNSPEC)
-+ return 0;
-+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type);
-+}
-+
-+int
-+gr_search_bind(struct socket *sock, struct sockaddr_in *addr)
-+{
-+ return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type);
-+}
-+
-+int gr_search_listen(struct socket *sock)
-+{
-+ struct sock *sk = sock->sk;
-+ struct sockaddr_in addr;
-+
-+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
-+ addr.sin_port = inet_sk(sk)->inet_sport;
-+
-+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
-+}
-+
-+int gr_search_accept(struct socket *sock)
-+{
-+ struct sock *sk = sock->sk;
-+ struct sockaddr_in addr;
-+
-+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
-+ addr.sin_port = inet_sk(sk)->inet_sport;
-+
-+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
-+}
-+
-+int
-+gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr)
-+{
-+ if (addr)
-+ return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM);
-+ else {
-+ struct sockaddr_in sin;
-+ const struct inet_sock *inet = inet_sk(sk);
-+
-+ sin.sin_addr.s_addr = inet->inet_daddr;
-+ sin.sin_port = inet->inet_dport;
-+
-+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
-+ }
-+}
-+
-+int
-+gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb)
-+{
-+ struct sockaddr_in sin;
-+
-+ if (unlikely(skb->len < sizeof (struct udphdr)))
-+ return 0; // skip this packet
-+
-+ sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
-+ sin.sin_port = udp_hdr(skb)->source;
-+
-+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
-+}
-diff --git a/grsecurity/gracl_learn.c b/grsecurity/gracl_learn.c
-new file mode 100644
-index 0000000..25f54ef
---- /dev/null
-+++ b/grsecurity/gracl_learn.c
-@@ -0,0 +1,207 @@
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <linux/sched.h>
-+#include <linux/poll.h>
-+#include <linux/string.h>
-+#include <linux/file.h>
-+#include <linux/types.h>
-+#include <linux/vmalloc.h>
-+#include <linux/grinternal.h>
-+
-+extern ssize_t write_grsec_handler(struct file * file, const char __user * buf,
-+ size_t count, loff_t *ppos);
-+extern int gr_acl_is_enabled(void);
-+
-+static DECLARE_WAIT_QUEUE_HEAD(learn_wait);
-+static int gr_learn_attached;
-+
-+/* use a 512k buffer */
-+#define LEARN_BUFFER_SIZE (512 * 1024)
-+
-+static DEFINE_SPINLOCK(gr_learn_lock);
-+static DEFINE_MUTEX(gr_learn_user_mutex);
-+
-+/* we need to maintain two buffers, so that the kernel context of grlearn
-+ uses a semaphore around the userspace copying, and the other kernel contexts
-+ use a spinlock when copying into the buffer, since they cannot sleep
-+*/
-+static char *learn_buffer;
-+static char *learn_buffer_user;
-+static int learn_buffer_len;
-+static int learn_buffer_user_len;
-+
-+static ssize_t
-+read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos)
-+{
-+ DECLARE_WAITQUEUE(wait, current);
-+ ssize_t retval = 0;
-+
-+ add_wait_queue(&learn_wait, &wait);
-+ set_current_state(TASK_INTERRUPTIBLE);
-+ do {
-+ mutex_lock(&gr_learn_user_mutex);
-+ spin_lock(&gr_learn_lock);
-+ if (learn_buffer_len)
-+ break;
-+ spin_unlock(&gr_learn_lock);
-+ mutex_unlock(&gr_learn_user_mutex);
-+ if (file->f_flags & O_NONBLOCK) {
-+ retval = -EAGAIN;
-+ goto out;
-+ }
-+ if (signal_pending(current)) {
-+ retval = -ERESTARTSYS;
-+ goto out;
-+ }
-+
-+ schedule();
-+ } while (1);
-+
-+ memcpy(learn_buffer_user, learn_buffer, learn_buffer_len);
-+ learn_buffer_user_len = learn_buffer_len;
-+ retval = learn_buffer_len;
-+ learn_buffer_len = 0;
-+
-+ spin_unlock(&gr_learn_lock);
-+
-+ if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len))
-+ retval = -EFAULT;
-+
-+ mutex_unlock(&gr_learn_user_mutex);
-+out:
-+ set_current_state(TASK_RUNNING);
-+ remove_wait_queue(&learn_wait, &wait);
-+ return retval;
-+}
-+
-+static unsigned int
-+poll_learn(struct file * file, poll_table * wait)
-+{
-+ poll_wait(file, &learn_wait, wait);
-+
-+ if (learn_buffer_len)
-+ return (POLLIN | POLLRDNORM);
-+
-+ return 0;
-+}
-+
-+void
-+gr_clear_learn_entries(void)
-+{
-+ char *tmp;
-+
-+ mutex_lock(&gr_learn_user_mutex);
-+ spin_lock(&gr_learn_lock);
-+ tmp = learn_buffer;
-+ learn_buffer = NULL;
-+ spin_unlock(&gr_learn_lock);
-+ if (tmp)
-+ vfree(tmp);
-+ if (learn_buffer_user != NULL) {
-+ vfree(learn_buffer_user);
-+ learn_buffer_user = NULL;
-+ }
-+ learn_buffer_len = 0;
-+ mutex_unlock(&gr_learn_user_mutex);
-+
-+ return;
-+}
-+
-+void
-+gr_add_learn_entry(const char *fmt, ...)
-+{
-+ va_list args;
-+ unsigned int len;
-+
-+ if (!gr_learn_attached)
-+ return;
-+
-+ spin_lock(&gr_learn_lock);
-+
-+ /* leave a gap at the end so we know when it's "full" but don't have to
-+ compute the exact length of the string we're trying to append
-+ */
-+ if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) {
-+ spin_unlock(&gr_learn_lock);
-+ wake_up_interruptible(&learn_wait);
-+ return;
-+ }
-+ if (learn_buffer == NULL) {
-+ spin_unlock(&gr_learn_lock);
-+ return;
-+ }
-+
-+ va_start(args, fmt);
-+ len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args);
-+ va_end(args);
-+
-+ learn_buffer_len += len + 1;
-+
-+ spin_unlock(&gr_learn_lock);
-+ wake_up_interruptible(&learn_wait);
-+
-+ return;
-+}
-+
-+static int
-+open_learn(struct inode *inode, struct file *file)
-+{
-+ if (file->f_mode & FMODE_READ && gr_learn_attached)
-+ return -EBUSY;
-+ if (file->f_mode & FMODE_READ) {
-+ int retval = 0;
-+ mutex_lock(&gr_learn_user_mutex);
-+ if (learn_buffer == NULL)
-+ learn_buffer = vmalloc(LEARN_BUFFER_SIZE);
-+ if (learn_buffer_user == NULL)
-+ learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE);
-+ if (learn_buffer == NULL) {
-+ retval = -ENOMEM;
-+ goto out_error;
-+ }
-+ if (learn_buffer_user == NULL) {
-+ retval = -ENOMEM;
-+ goto out_error;
-+ }
-+ learn_buffer_len = 0;
-+ learn_buffer_user_len = 0;
-+ gr_learn_attached = 1;
-+out_error:
-+ mutex_unlock(&gr_learn_user_mutex);
-+ return retval;
-+ }
-+ return 0;
-+}
-+
-+static int
-+close_learn(struct inode *inode, struct file *file)
-+{
-+ if (file->f_mode & FMODE_READ) {
-+ char *tmp = NULL;
-+ mutex_lock(&gr_learn_user_mutex);
-+ spin_lock(&gr_learn_lock);
-+ tmp = learn_buffer;
-+ learn_buffer = NULL;
-+ spin_unlock(&gr_learn_lock);
-+ if (tmp)
-+ vfree(tmp);
-+ if (learn_buffer_user != NULL) {
-+ vfree(learn_buffer_user);
-+ learn_buffer_user = NULL;
-+ }
-+ learn_buffer_len = 0;
-+ learn_buffer_user_len = 0;
-+ gr_learn_attached = 0;
-+ mutex_unlock(&gr_learn_user_mutex);
-+ }
-+
-+ return 0;
-+}
-+
-+const struct file_operations grsec_fops = {
-+ .read = read_learn,
-+ .write = write_grsec_handler,
-+ .open = open_learn,
-+ .release = close_learn,
-+ .poll = poll_learn,
-+};
-diff --git a/grsecurity/gracl_res.c b/grsecurity/gracl_res.c
-new file mode 100644
-index 0000000..39645c9
---- /dev/null
-+++ b/grsecurity/gracl_res.c
-@@ -0,0 +1,68 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/gracl.h>
-+#include <linux/grinternal.h>
-+
-+static const char *restab_log[] = {
-+ [RLIMIT_CPU] = "RLIMIT_CPU",
-+ [RLIMIT_FSIZE] = "RLIMIT_FSIZE",
-+ [RLIMIT_DATA] = "RLIMIT_DATA",
-+ [RLIMIT_STACK] = "RLIMIT_STACK",
-+ [RLIMIT_CORE] = "RLIMIT_CORE",
-+ [RLIMIT_RSS] = "RLIMIT_RSS",
-+ [RLIMIT_NPROC] = "RLIMIT_NPROC",
-+ [RLIMIT_NOFILE] = "RLIMIT_NOFILE",
-+ [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK",
-+ [RLIMIT_AS] = "RLIMIT_AS",
-+ [RLIMIT_LOCKS] = "RLIMIT_LOCKS",
-+ [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING",
-+ [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE",
-+ [RLIMIT_NICE] = "RLIMIT_NICE",
-+ [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO",
-+ [RLIMIT_RTTIME] = "RLIMIT_RTTIME",
-+ [GR_CRASH_RES] = "RLIMIT_CRASH"
-+};
-+
-+void
-+gr_log_resource(const struct task_struct *task,
-+ const int res, const unsigned long wanted, const int gt)
-+{
-+ const struct cred *cred;
-+ unsigned long rlim;
-+
-+ if (!gr_acl_is_enabled() && !grsec_resource_logging)
-+ return;
-+
-+ // not yet supported resource
-+ if (unlikely(!restab_log[res]))
-+ return;
-+
-+ if (res == RLIMIT_CPU || res == RLIMIT_RTTIME)
-+ rlim = task_rlimit_max(task, res);
-+ else
-+ rlim = task_rlimit(task, res);
-+
-+ if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim)))
-+ return;
-+
-+ rcu_read_lock();
-+ cred = __task_cred(task);
-+
-+ if (res == RLIMIT_NPROC &&
-+ (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) ||
-+ cap_raised(cred->cap_effective, CAP_SYS_RESOURCE)))
-+ goto out_rcu_unlock;
-+ else if (res == RLIMIT_MEMLOCK &&
-+ cap_raised(cred->cap_effective, CAP_IPC_LOCK))
-+ goto out_rcu_unlock;
-+ else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE))
-+ goto out_rcu_unlock;
-+ rcu_read_unlock();
-+
-+ gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim);
-+
-+ return;
-+out_rcu_unlock:
-+ rcu_read_unlock();
-+ return;
-+}
-diff --git a/grsecurity/gracl_segv.c b/grsecurity/gracl_segv.c
-new file mode 100644
-index 0000000..25197e9
---- /dev/null
-+++ b/grsecurity/gracl_segv.c
-@@ -0,0 +1,299 @@
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <asm/uaccess.h>
-+#include <asm/errno.h>
-+#include <asm/mman.h>
-+#include <net/sock.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/net.h>
-+#include <linux/in.h>
-+#include <linux/slab.h>
-+#include <linux/types.h>
-+#include <linux/sched.h>
-+#include <linux/timer.h>
-+#include <linux/gracl.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+static struct crash_uid *uid_set;
-+static unsigned short uid_used;
-+static DEFINE_SPINLOCK(gr_uid_lock);
-+extern rwlock_t gr_inode_lock;
-+extern struct acl_subject_label *
-+ lookup_acl_subj_label(const ino_t inode, const dev_t dev,
-+ struct acl_role_label *role);
-+
-+#ifdef CONFIG_BTRFS_FS
-+extern dev_t get_btrfs_dev_from_inode(struct inode *inode);
-+extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
-+#endif
-+
-+static inline dev_t __get_dev(const struct dentry *dentry)
-+{
-+#ifdef CONFIG_BTRFS_FS
-+ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr)
-+ return get_btrfs_dev_from_inode(dentry->d_inode);
-+ else
-+#endif
-+ return dentry->d_inode->i_sb->s_dev;
-+}
-+
-+int
-+gr_init_uidset(void)
-+{
-+ uid_set =
-+ kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL);
-+ uid_used = 0;
-+
-+ return uid_set ? 1 : 0;
-+}
-+
-+void
-+gr_free_uidset(void)
-+{
-+ if (uid_set)
-+ kfree(uid_set);
-+
-+ return;
-+}
-+
-+int
-+gr_find_uid(const uid_t uid)
-+{
-+ struct crash_uid *tmp = uid_set;
-+ uid_t buid;
-+ int low = 0, high = uid_used - 1, mid;
-+
-+ while (high >= low) {
-+ mid = (low + high) >> 1;
-+ buid = tmp[mid].uid;
-+ if (buid == uid)
-+ return mid;
-+ if (buid > uid)
-+ high = mid - 1;
-+ if (buid < uid)
-+ low = mid + 1;
-+ }
-+
-+ return -1;
-+}
-+
-+static __inline__ void
-+gr_insertsort(void)
-+{
-+ unsigned short i, j;
-+ struct crash_uid index;
-+
-+ for (i = 1; i < uid_used; i++) {
-+ index = uid_set[i];
-+ j = i;
-+ while ((j > 0) && uid_set[j - 1].uid > index.uid) {
-+ uid_set[j] = uid_set[j - 1];
-+ j--;
-+ }
-+ uid_set[j] = index;
-+ }
-+
-+ return;
-+}
-+
-+static __inline__ void
-+gr_insert_uid(const uid_t uid, const unsigned long expires)
-+{
-+ int loc;
-+
-+ if (uid_used == GR_UIDTABLE_MAX)
-+ return;
-+
-+ loc = gr_find_uid(uid);
-+
-+ if (loc >= 0) {
-+ uid_set[loc].expires = expires;
-+ return;
-+ }
-+
-+ uid_set[uid_used].uid = uid;
-+ uid_set[uid_used].expires = expires;
-+ uid_used++;
-+
-+ gr_insertsort();
-+
-+ return;
-+}
-+
-+void
-+gr_remove_uid(const unsigned short loc)
-+{
-+ unsigned short i;
-+
-+ for (i = loc + 1; i < uid_used; i++)
-+ uid_set[i - 1] = uid_set[i];
-+
-+ uid_used--;
-+
-+ return;
-+}
-+
-+int
-+gr_check_crash_uid(const uid_t uid)
-+{
-+ int loc;
-+ int ret = 0;
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return 0;
-+
-+ spin_lock(&gr_uid_lock);
-+ loc = gr_find_uid(uid);
-+
-+ if (loc < 0)
-+ goto out_unlock;
-+
-+ if (time_before_eq(uid_set[loc].expires, get_seconds()))
-+ gr_remove_uid(loc);
-+ else
-+ ret = 1;
-+
-+out_unlock:
-+ spin_unlock(&gr_uid_lock);
-+ return ret;
-+}
-+
-+static __inline__ int
-+proc_is_setxid(const struct cred *cred)
-+{
-+ if (!uid_eq(cred->uid, cred->euid) || !uid_eq(cred->uid, cred->suid) ||
-+ !uid_eq(cred->uid, cred->fsuid))
-+ return 1;
-+ if (!uid_eq(cred->gid, cred->egid) || !uid_eq(cred->gid, cred->sgid) ||
-+ !uid_eq(cred->gid, cred->fsgid))
-+ return 1;
-+
-+ return 0;
-+}
-+
-+extern int gr_fake_force_sig(int sig, struct task_struct *t);
-+
-+void
-+gr_handle_crash(struct task_struct *task, const int sig)
-+{
-+ struct acl_subject_label *curr;
-+ struct task_struct *tsk, *tsk2;
-+ const struct cred *cred;
-+ const struct cred *cred2;
-+
-+ if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL)
-+ return;
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return;
-+
-+ curr = task->acl;
-+
-+ if (!(curr->resmask & (1 << GR_CRASH_RES)))
-+ return;
-+
-+ if (time_before_eq(curr->expires, get_seconds())) {
-+ curr->expires = 0;
-+ curr->crashes = 0;
-+ }
-+
-+ curr->crashes++;
-+
-+ if (!curr->expires)
-+ curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max;
-+
-+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
-+ time_after(curr->expires, get_seconds())) {
-+ rcu_read_lock();
-+ cred = __task_cred(task);
-+ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID) && proc_is_setxid(cred)) {
-+ gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
-+ spin_lock(&gr_uid_lock);
-+ gr_insert_uid(cred->uid, curr->expires);
-+ spin_unlock(&gr_uid_lock);
-+ curr->expires = 0;
-+ curr->crashes = 0;
-+ read_lock(&tasklist_lock);
-+ do_each_thread(tsk2, tsk) {
-+ cred2 = __task_cred(tsk);
-+ if (tsk != task && uid_eq(cred2->uid, cred->uid))
-+ gr_fake_force_sig(SIGKILL, tsk);
-+ } while_each_thread(tsk2, tsk);
-+ read_unlock(&tasklist_lock);
-+ } else {
-+ gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+ do_each_thread(tsk2, tsk) {
-+ if (likely(tsk != task)) {
-+ // if this thread has the same subject as the one that triggered
-+ // RES_CRASH and it's the same binary, kill it
-+ if (tsk->acl == task->acl && tsk->exec_file == task->exec_file)
-+ gr_fake_force_sig(SIGKILL, tsk);
-+ }
-+ } while_each_thread(tsk2, tsk);
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ }
-+ rcu_read_unlock();
-+ }
-+
-+ return;
-+}
-+
-+int
-+gr_check_crash_exec(const struct file *filp)
-+{
-+ struct acl_subject_label *curr;
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return 0;
-+
-+ read_lock(&gr_inode_lock);
-+ curr = lookup_acl_subj_label(filp->f_path.dentry->d_inode->i_ino,
-+ __get_dev(filp->f_path.dentry),
-+ current->role);
-+ read_unlock(&gr_inode_lock);
-+
-+ if (!curr || !(curr->resmask & (1 << GR_CRASH_RES)) ||
-+ (!curr->crashes && !curr->expires))
-+ return 0;
-+
-+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
-+ time_after(curr->expires, get_seconds()))
-+ return 1;
-+ else if (time_before_eq(curr->expires, get_seconds())) {
-+ curr->crashes = 0;
-+ curr->expires = 0;
-+ }
-+
-+ return 0;
-+}
-+
-+void
-+gr_handle_alertkill(struct task_struct *task)
-+{
-+ struct acl_subject_label *curracl;
-+ __u32 curr_ip;
-+ struct task_struct *p, *p2;
-+
-+ if (unlikely(!gr_acl_is_enabled()))
-+ return;
-+
-+ curracl = task->acl;
-+ curr_ip = task->signal->curr_ip;
-+
-+ if ((curracl->mode & GR_KILLIPPROC) && curr_ip) {
-+ read_lock(&tasklist_lock);
-+ do_each_thread(p2, p) {
-+ if (p->signal->curr_ip == curr_ip)
-+ gr_fake_force_sig(SIGKILL, p);
-+ } while_each_thread(p2, p);
-+ read_unlock(&tasklist_lock);
-+ } else if (curracl->mode & GR_KILLPROC)
-+ gr_fake_force_sig(SIGKILL, task);
-+
-+ return;
-+}
-diff --git a/grsecurity/gracl_shm.c b/grsecurity/gracl_shm.c
-new file mode 100644
-index 0000000..9d83a69
---- /dev/null
-+++ b/grsecurity/gracl_shm.c
-@@ -0,0 +1,40 @@
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/ipc.h>
-+#include <linux/gracl.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+int
-+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
-+ const time_t shm_createtime, const uid_t cuid, const int shmid)
-+{
-+ struct task_struct *task;
-+
-+ if (!gr_acl_is_enabled())
-+ return 1;
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+
-+ task = find_task_by_vpid(shm_cprid);
-+
-+ if (unlikely(!task))
-+ task = find_task_by_vpid(shm_lapid);
-+
-+ if (unlikely(task && (time_before_eq((unsigned long)task->start_time.tv_sec, (unsigned long)shm_createtime) ||
-+ (task->pid == shm_lapid)) &&
-+ (task->acl->mode & GR_PROTSHM) &&
-+ (task->acl != current->acl))) {
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, cuid, shm_cprid, shmid);
-+ return 0;
-+ }
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+
-+ return 1;
-+}
-diff --git a/grsecurity/grsec_chdir.c b/grsecurity/grsec_chdir.c
-new file mode 100644
-index 0000000..bc0be01
---- /dev/null
-+++ b/grsecurity/grsec_chdir.c
-@@ -0,0 +1,19 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/fs.h>
-+#include <linux/file.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+void
-+gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
-+ if ((grsec_enable_chdir && grsec_enable_group &&
-+ in_group_p(grsec_audit_gid)) || (grsec_enable_chdir &&
-+ !grsec_enable_group)) {
-+ gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt);
-+ }
-+#endif
-+ return;
-+}
-diff --git a/grsecurity/grsec_chroot.c b/grsecurity/grsec_chroot.c
-new file mode 100644
-index 0000000..9807ee2
---- /dev/null
-+++ b/grsecurity/grsec_chroot.c
-@@ -0,0 +1,368 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/mount.h>
-+#include <linux/types.h>
-+#include "../fs/mount.h"
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+void gr_set_chroot_entries(struct task_struct *task, struct path *path)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ if (task->pid > 1 && path->dentry != init_task.fs->root.dentry &&
-+ path->dentry != task->nsproxy->mnt_ns->root->mnt.mnt_root)
-+ task->gr_is_chrooted = 1;
-+ else
-+ task->gr_is_chrooted = 0;
-+
-+ task->gr_chroot_dentry = path->dentry;
-+#endif
-+ return;
-+}
-+
-+void gr_clear_chroot_entries(struct task_struct *task)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ task->gr_is_chrooted = 0;
-+ task->gr_chroot_dentry = NULL;
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_chroot_unix(const pid_t pid)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
-+ struct task_struct *p;
-+
-+ if (unlikely(!grsec_enable_chroot_unix))
-+ return 1;
-+
-+ if (likely(!proc_is_chrooted(current)))
-+ return 1;
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ p = find_task_by_vpid_unrestricted(pid);
-+ if (unlikely(p && !have_same_root(current, p))) {
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG);
-+ return 0;
-+ }
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_handle_chroot_nice(void)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
-+ if (grsec_enable_chroot_nice && proc_is_chrooted(current)) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_setpriority(struct task_struct *p, const int niceval)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
-+ if (grsec_enable_chroot_nice && (niceval < task_nice(p))
-+ && proc_is_chrooted(current)) {
-+ gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, p->pid);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_rawio(const struct inode *inode)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ if (grsec_enable_chroot_caps && proc_is_chrooted(current) &&
-+ inode && S_ISBLK(inode->i_mode) && !capable(CAP_SYS_RAWIO))
-+ return 1;
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_fowner(struct pid *pid, enum pid_type type)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+ struct task_struct *p;
-+ int ret = 0;
-+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid)
-+ return ret;
-+
-+ read_lock(&tasklist_lock);
-+ do_each_pid_task(pid, type, p) {
-+ if (!have_same_root(current, p)) {
-+ ret = 1;
-+ goto out;
-+ }
-+ } while_each_pid_task(pid, type, p);
-+out:
-+ read_unlock(&tasklist_lock);
-+ return ret;
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_pid_is_chrooted(struct task_struct *p)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL)
-+ return 0;
-+
-+ if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) ||
-+ !have_same_root(current, p)) {
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+EXPORT_SYMBOL(gr_pid_is_chrooted);
-+
-+#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR)
-+int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt)
-+{
-+ struct path path, currentroot;
-+ int ret = 0;
-+
-+ path.dentry = (struct dentry *)u_dentry;
-+ path.mnt = (struct vfsmount *)u_mnt;
-+ get_fs_root(current->fs, ¤troot);
-+ if (path_is_under(&path, ¤troot))
-+ ret = 1;
-+ path_put(¤troot);
-+
-+ return ret;
-+}
-+#endif
-+
-+int
-+gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
-+ if (!grsec_enable_chroot_fchdir)
-+ return 1;
-+
-+ if (!proc_is_chrooted(current))
-+ return 1;
-+ else if (!gr_is_outside_chroot(u_dentry, u_mnt)) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt);
-+ return 0;
-+ }
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
-+ const time_t shm_createtime)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
-+ struct task_struct *p;
-+ time_t starttime;
-+
-+ if (unlikely(!grsec_enable_chroot_shmat))
-+ return 1;
-+
-+ if (likely(!proc_is_chrooted(current)))
-+ return 1;
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+
-+ if ((p = find_task_by_vpid_unrestricted(shm_cprid))) {
-+ starttime = p->start_time.tv_sec;
-+ if (time_before_eq((unsigned long)starttime, (unsigned long)shm_createtime)) {
-+ if (have_same_root(current, p)) {
-+ goto allow;
-+ } else {
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
-+ return 0;
-+ }
-+ }
-+ /* creator exited, pid reuse, fall through to next check */
-+ }
-+ if ((p = find_task_by_vpid_unrestricted(shm_lapid))) {
-+ if (unlikely(!have_same_root(current, p))) {
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
-+ return 0;
-+ }
-+ }
-+
-+allow:
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+#endif
-+ return 1;
-+}
-+
-+void
-+gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
-+ if (grsec_enable_chroot_execlog && proc_is_chrooted(current))
-+ gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt);
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_chroot_mknod(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const int mode)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
-+ if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) &&
-+ proc_is_chrooted(current)) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_mount(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const char *dev_name)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
-+ if (grsec_enable_chroot_mount && proc_is_chrooted(current)) {
-+ gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_pivot(void)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
-+ if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
-+ if (grsec_enable_chroot_double && proc_is_chrooted(current) &&
-+ !gr_is_outside_chroot(dentry, mnt)) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+extern const char *captab_log[];
-+extern int captab_log_entries;
-+
-+int
-+gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
-+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
-+ if (cap_raised(chroot_caps, cap)) {
-+ if (cap_raised(cred->cap_effective, cap) && cap < captab_log_entries) {
-+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_CHROOT_MSG, task, captab_log[cap]);
-+ }
-+ return 0;
-+ }
-+ }
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_chroot_is_capable(const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ return gr_task_chroot_is_capable(current, current_cred(), cap);
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
-+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
-+ if (cap_raised(chroot_caps, cap)) {
-+ return 0;
-+ }
-+ }
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_chroot_is_capable_nolog(const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ return gr_task_chroot_is_capable_nolog(current, cap);
-+#endif
-+ return 1;
-+}
-+
-+int
-+gr_handle_chroot_sysctl(const int op)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
-+ if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) &&
-+ proc_is_chrooted(current))
-+ return -EACCES;
-+#endif
-+ return 0;
-+}
-+
-+void
-+gr_handle_chroot_chdir(struct path *path)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
-+ if (grsec_enable_chroot_chdir)
-+ set_fs_pwd(current->fs, path);
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_chroot_chmod(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const int mode)
-+{
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
-+ /* allow chmod +s on directories, but not files */
-+ if (grsec_enable_chroot_chmod && !S_ISDIR(dentry->d_inode->i_mode) &&
-+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) &&
-+ proc_is_chrooted(current)) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_disabled.c b/grsecurity/grsec_disabled.c
-new file mode 100644
-index 0000000..213ad8b
---- /dev/null
-+++ b/grsecurity/grsec_disabled.c
-@@ -0,0 +1,437 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/kdev_t.h>
-+#include <linux/net.h>
-+#include <linux/in.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/sysctl.h>
-+
-+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
-+void
-+pax_set_initial_flags(struct linux_binprm *bprm)
-+{
-+ return;
-+}
-+#endif
-+
-+#ifdef CONFIG_SYSCTL
-+__u32
-+gr_handle_sysctl(const struct ctl_table * table, const int op)
-+{
-+ return 0;
-+}
-+#endif
-+
-+#ifdef CONFIG_TASKSTATS
-+int gr_is_taskstats_denied(int pid)
-+{
-+ return 0;
-+}
-+#endif
-+
-+int
-+gr_acl_is_enabled(void)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
-+{
-+ return;
-+}
-+
-+int
-+gr_handle_rawio(const struct inode *inode)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_acl_handle_psacct(struct task_struct *task, const long code)
-+{
-+ return;
-+}
-+
-+int
-+gr_handle_ptrace(struct task_struct *task, const long request)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_handle_proc_ptrace(struct task_struct *task)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_learn_resource(const struct task_struct *task,
-+ const int res, const unsigned long wanted, const int gt)
-+{
-+ return;
-+}
-+
-+int
-+gr_set_acls(const int type)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_check_hidden_task(const struct task_struct *tsk)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_check_protected_task(const struct task_struct *task)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_copy_label(struct task_struct *tsk)
-+{
-+ return;
-+}
-+
-+void
-+gr_set_pax_flags(struct task_struct *task)
-+{
-+ return;
-+}
-+
-+int
-+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
-+ const int unsafe_share)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_handle_delete(const ino_t ino, const dev_t dev)
-+{
-+ return;
-+}
-+
-+void
-+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+ return;
-+}
-+
-+void
-+gr_handle_crash(struct task_struct *task, const int sig)
-+{
-+ return;
-+}
-+
-+int
-+gr_check_crash_exec(const struct file *filp)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_check_crash_uid(const uid_t uid)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
-+ struct dentry *old_dentry,
-+ struct dentry *new_dentry,
-+ struct vfsmount *mnt, const __u8 replace)
-+{
-+ return;
-+}
-+
-+int
-+gr_search_socket(const int family, const int type, const int protocol)
-+{
-+ return 1;
-+}
-+
-+int
-+gr_search_connectbind(const int mode, const struct socket *sock,
-+ const struct sockaddr_in *addr)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_handle_alertkill(struct task_struct *task)
-+{
-+ return;
-+}
-+
-+__u32
-+gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_hidden_file(const struct dentry * dentry,
-+ const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
-+ int acc_mode)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+int
-+gr_acl_handle_mmap(const struct file *file, const unsigned long prot,
-+ unsigned int *vm_flags)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_truncate(const struct dentry * dentry,
-+ const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_access(const struct dentry * dentry,
-+ const struct vfsmount * mnt, const int fmode)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt,
-+ umode_t *mode)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+void
-+grsecurity_init(void)
-+{
-+ return;
-+}
-+
-+umode_t gr_acl_umask(void)
-+{
-+ return 0;
-+}
-+
-+__u32
-+gr_acl_handle_mknod(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt,
-+ const int mode)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_mkdir(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_symlink(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt, const char *from)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_link(const struct dentry * new_dentry,
-+ const struct dentry * parent_dentry,
-+ const struct vfsmount * parent_mnt,
-+ const struct dentry * old_dentry,
-+ const struct vfsmount * old_mnt, const char *to)
-+{
-+ return 1;
-+}
-+
-+int
-+gr_acl_handle_rename(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ const struct dentry *old_dentry,
-+ const struct inode *old_parent_inode,
-+ const struct vfsmount *old_mnt, const char *newname)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_acl_handle_filldir(const struct file *file, const char *name,
-+ const int namelen, const ino_t ino)
-+{
-+ return 1;
-+}
-+
-+int
-+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
-+ const time_t shm_createtime, const uid_t cuid, const int shmid)
-+{
-+ return 1;
-+}
-+
-+int
-+gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_search_accept(const struct socket *sock)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_search_listen(const struct socket *sock)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr)
-+{
-+ return 0;
-+}
-+
-+__u32
-+gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt)
-+{
-+ return 1;
-+}
-+
-+__u32
-+gr_acl_handle_creat(const struct dentry * dentry,
-+ const struct dentry * p_dentry,
-+ const struct vfsmount * p_mnt, int open_flags, int acc_mode,
-+ const int imode)
-+{
-+ return 1;
-+}
-+
-+void
-+gr_acl_handle_exit(void)
-+{
-+ return;
-+}
-+
-+int
-+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
-+{
-+ return 1;
-+}
-+
-+void
-+gr_set_role_label(const uid_t uid, const gid_t gid)
-+{
-+ return;
-+}
-+
-+int
-+gr_acl_handle_procpidmem(const struct task_struct *task)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr)
-+{
-+ return 0;
-+}
-+
-+void
-+gr_set_kernel_label(struct task_struct *task)
-+{
-+ return;
-+}
-+
-+int
-+gr_check_user_change(int real, int effective, int fs)
-+{
-+ return 0;
-+}
-+
-+int
-+gr_check_group_change(int real, int effective, int fs)
-+{
-+ return 0;
-+}
-+
-+int gr_acl_enable_at_secure(void)
-+{
-+ return 0;
-+}
-+
-+dev_t gr_get_dev_from_dentry(struct dentry *dentry)
-+{
-+ return dentry->d_inode->i_sb->s_dev;
-+}
-+
-+EXPORT_SYMBOL(gr_learn_resource);
-+EXPORT_SYMBOL(gr_set_kernel_label);
-+#ifdef CONFIG_SECURITY
-+EXPORT_SYMBOL(gr_check_user_change);
-+EXPORT_SYMBOL(gr_check_group_change);
-+#endif
-diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c
-new file mode 100644
-index 0000000..abfa971
---- /dev/null
-+++ b/grsecurity/grsec_exec.c
-@@ -0,0 +1,174 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/binfmts.h>
-+#include <linux/fs.h>
-+#include <linux/types.h>
-+#include <linux/grdefs.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+#include <linux/capability.h>
-+#include <linux/module.h>
-+
-+#include <asm/uaccess.h>
-+
-+#ifdef CONFIG_GRKERNSEC_EXECLOG
-+static char gr_exec_arg_buf[132];
-+static DEFINE_MUTEX(gr_exec_arg_mutex);
-+#endif
-+
-+extern const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr);
-+
-+void
-+gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv)
-+{
-+#ifdef CONFIG_GRKERNSEC_EXECLOG
-+ char *grarg = gr_exec_arg_buf;
-+ unsigned int i, x, execlen = 0;
-+ char c;
-+
-+ if (!((grsec_enable_execlog && grsec_enable_group &&
-+ in_group_p(grsec_audit_gid))
-+ || (grsec_enable_execlog && !grsec_enable_group)))
-+ return;
-+
-+ mutex_lock(&gr_exec_arg_mutex);
-+ memset(grarg, 0, sizeof(gr_exec_arg_buf));
-+
-+ for (i = 0; i < bprm->argc && execlen < 128; i++) {
-+ const char __user *p;
-+ unsigned int len;
-+
-+ p = get_user_arg_ptr(argv, i);
-+ if (IS_ERR(p))
-+ goto log;
-+
-+ len = strnlen_user(p, 128 - execlen);
-+ if (len > 128 - execlen)
-+ len = 128 - execlen;
-+ else if (len > 0)
-+ len--;
-+ if (copy_from_user(grarg + execlen, p, len))
-+ goto log;
-+
-+ /* rewrite unprintable characters */
-+ for (x = 0; x < len; x++) {
-+ c = *(grarg + execlen + x);
-+ if (c < 32 || c > 126)
-+ *(grarg + execlen + x) = ' ';
-+ }
-+
-+ execlen += len;
-+ *(grarg + execlen) = ' ';
-+ *(grarg + execlen + 1) = '\0';
-+ execlen++;
-+ }
-+
-+ log:
-+ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry,
-+ bprm->file->f_path.mnt, grarg);
-+ mutex_unlock(&gr_exec_arg_mutex);
-+#endif
-+ return;
-+}
-+
-+#ifdef CONFIG_GRKERNSEC
-+extern int gr_acl_is_capable(const int cap);
-+extern int gr_acl_is_capable_nolog(const int cap);
-+extern int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
-+extern int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap);
-+extern int gr_chroot_is_capable(const int cap);
-+extern int gr_chroot_is_capable_nolog(const int cap);
-+extern int gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
-+extern int gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap);
-+#endif
-+
-+const char *captab_log[] = {
-+ "CAP_CHOWN",
-+ "CAP_DAC_OVERRIDE",
-+ "CAP_DAC_READ_SEARCH",
-+ "CAP_FOWNER",
-+ "CAP_FSETID",
-+ "CAP_KILL",
-+ "CAP_SETGID",
-+ "CAP_SETUID",
-+ "CAP_SETPCAP",
-+ "CAP_LINUX_IMMUTABLE",
-+ "CAP_NET_BIND_SERVICE",
-+ "CAP_NET_BROADCAST",
-+ "CAP_NET_ADMIN",
-+ "CAP_NET_RAW",
-+ "CAP_IPC_LOCK",
-+ "CAP_IPC_OWNER",
-+ "CAP_SYS_MODULE",
-+ "CAP_SYS_RAWIO",
-+ "CAP_SYS_CHROOT",
-+ "CAP_SYS_PTRACE",
-+ "CAP_SYS_PACCT",
-+ "CAP_SYS_ADMIN",
-+ "CAP_SYS_BOOT",
-+ "CAP_SYS_NICE",
-+ "CAP_SYS_RESOURCE",
-+ "CAP_SYS_TIME",
-+ "CAP_SYS_TTY_CONFIG",
-+ "CAP_MKNOD",
-+ "CAP_LEASE",
-+ "CAP_AUDIT_WRITE",
-+ "CAP_AUDIT_CONTROL",
-+ "CAP_SETFCAP",
-+ "CAP_MAC_OVERRIDE",
-+ "CAP_MAC_ADMIN",
-+ "CAP_SYSLOG",
-+ "CAP_WAKE_ALARM"
-+};
-+
-+int captab_log_entries = sizeof(captab_log)/sizeof(captab_log[0]);
-+
-+int gr_is_capable(const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ if (gr_acl_is_capable(cap) && gr_chroot_is_capable(cap))
-+ return 1;
-+ return 0;
-+#else
-+ return 1;
-+#endif
-+}
-+
-+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ if (gr_task_acl_is_capable(task, cred, cap) && gr_task_chroot_is_capable(task, cred, cap))
-+ return 1;
-+ return 0;
-+#else
-+ return 1;
-+#endif
-+}
-+
-+int gr_is_capable_nolog(const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ if (gr_acl_is_capable_nolog(cap) && gr_chroot_is_capable_nolog(cap))
-+ return 1;
-+ return 0;
-+#else
-+ return 1;
-+#endif
-+}
-+
-+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ if (gr_task_acl_is_capable_nolog(task, cap) && gr_task_chroot_is_capable_nolog(task, cap))
-+ return 1;
-+ return 0;
-+#else
-+ return 1;
-+#endif
-+}
-+
-+EXPORT_SYMBOL(gr_is_capable);
-+EXPORT_SYMBOL(gr_is_capable_nolog);
-+EXPORT_SYMBOL(gr_task_is_capable);
-+EXPORT_SYMBOL(gr_task_is_capable_nolog);
-diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c
-new file mode 100644
-index 0000000..d3ee748
---- /dev/null
-+++ b/grsecurity/grsec_fifo.c
-@@ -0,0 +1,24 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/fs.h>
-+#include <linux/file.h>
-+#include <linux/grinternal.h>
-+
-+int
-+gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt,
-+ const struct dentry *dir, const int flag, const int acc_mode)
-+{
-+#ifdef CONFIG_GRKERNSEC_FIFO
-+ const struct cred *cred = current_cred();
-+
-+ if (grsec_enable_fifo && S_ISFIFO(dentry->d_inode->i_mode) &&
-+ !(flag & O_EXCL) && (dir->d_inode->i_mode & S_ISVTX) &&
-+ (dentry->d_inode->i_uid != dir->d_inode->i_uid) &&
-+ (cred->fsuid != dentry->d_inode->i_uid)) {
-+ if (!inode_permission(dentry->d_inode, acc_mode))
-+ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, dentry->d_inode->i_uid, dentry->d_inode->i_gid);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_fork.c b/grsecurity/grsec_fork.c
-new file mode 100644
-index 0000000..8ca18bf
---- /dev/null
-+++ b/grsecurity/grsec_fork.c
-@@ -0,0 +1,23 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+#include <linux/errno.h>
-+
-+void
-+gr_log_forkfail(const int retval)
-+{
-+#ifdef CONFIG_GRKERNSEC_FORKFAIL
-+ if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) {
-+ switch (retval) {
-+ case -EAGAIN:
-+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN");
-+ break;
-+ case -ENOMEM:
-+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM");
-+ break;
-+ }
-+ }
-+#endif
-+ return;
-+}
-diff --git a/grsecurity/grsec_init.c b/grsecurity/grsec_init.c
-new file mode 100644
-index 0000000..05a6015
---- /dev/null
-+++ b/grsecurity/grsec_init.c
-@@ -0,0 +1,283 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/gracl.h>
-+#include <linux/slab.h>
-+#include <linux/vmalloc.h>
-+#include <linux/percpu.h>
-+#include <linux/module.h>
-+
-+int grsec_enable_ptrace_readexec;
-+int grsec_enable_setxid;
-+int grsec_enable_symlinkown;
-+int grsec_symlinkown_gid;
-+int grsec_enable_brute;
-+int grsec_enable_link;
-+int grsec_enable_dmesg;
-+int grsec_enable_harden_ptrace;
-+int grsec_enable_fifo;
-+int grsec_enable_execlog;
-+int grsec_enable_signal;
-+int grsec_enable_forkfail;
-+int grsec_enable_audit_ptrace;
-+int grsec_enable_time;
-+int grsec_enable_audit_textrel;
-+int grsec_enable_group;
-+int grsec_audit_gid;
-+int grsec_enable_chdir;
-+int grsec_enable_mount;
-+int grsec_enable_rofs;
-+int grsec_enable_chroot_findtask;
-+int grsec_enable_chroot_mount;
-+int grsec_enable_chroot_shmat;
-+int grsec_enable_chroot_fchdir;
-+int grsec_enable_chroot_double;
-+int grsec_enable_chroot_pivot;
-+int grsec_enable_chroot_chdir;
-+int grsec_enable_chroot_chmod;
-+int grsec_enable_chroot_mknod;
-+int grsec_enable_chroot_nice;
-+int grsec_enable_chroot_execlog;
-+int grsec_enable_chroot_caps;
-+int grsec_enable_chroot_sysctl;
-+int grsec_enable_chroot_unix;
-+int grsec_enable_tpe;
-+int grsec_tpe_gid;
-+int grsec_enable_blackhole;
-+#ifdef CONFIG_IPV6_MODULE
-+EXPORT_SYMBOL(grsec_enable_blackhole);
-+#endif
-+int grsec_lastack_retries;
-+int grsec_enable_tpe_all;
-+int grsec_enable_tpe_invert;
-+int grsec_enable_socket_all;
-+int grsec_socket_all_gid;
-+int grsec_enable_socket_client;
-+int grsec_socket_client_gid;
-+int grsec_enable_socket_server;
-+int grsec_socket_server_gid;
-+int grsec_resource_logging;
-+int grsec_disable_privio;
-+int grsec_enable_log_rwxmaps;
-+int grsec_lock;
-+
-+DEFINE_SPINLOCK(grsec_alert_lock);
-+unsigned long grsec_alert_wtime = 0;
-+unsigned long grsec_alert_fyet = 0;
-+
-+DEFINE_SPINLOCK(grsec_audit_lock);
-+
-+DEFINE_RWLOCK(grsec_exec_file_lock);
-+
-+char *gr_shared_page[4];
-+
-+char *gr_alert_log_fmt;
-+char *gr_audit_log_fmt;
-+char *gr_alert_log_buf;
-+char *gr_audit_log_buf;
-+
-+extern struct gr_arg *gr_usermode;
-+extern unsigned char *gr_system_salt;
-+extern unsigned char *gr_system_sum;
-+
-+void __init
-+grsecurity_init(void)
-+{
-+ int j;
-+ /* create the per-cpu shared pages */
-+
-+#ifdef CONFIG_X86
-+ memset((char *)(0x41a + PAGE_OFFSET), 0, 36);
-+#endif
-+
-+ for (j = 0; j < 4; j++) {
-+ gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long));
-+ if (gr_shared_page[j] == NULL) {
-+ panic("Unable to allocate grsecurity shared page");
-+ return;
-+ }
-+ }
-+
-+ /* allocate log buffers */
-+ gr_alert_log_fmt = kmalloc(512, GFP_KERNEL);
-+ if (!gr_alert_log_fmt) {
-+ panic("Unable to allocate grsecurity alert log format buffer");
-+ return;
-+ }
-+ gr_audit_log_fmt = kmalloc(512, GFP_KERNEL);
-+ if (!gr_audit_log_fmt) {
-+ panic("Unable to allocate grsecurity audit log format buffer");
-+ return;
-+ }
-+ gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
-+ if (!gr_alert_log_buf) {
-+ panic("Unable to allocate grsecurity alert log buffer");
-+ return;
-+ }
-+ gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
-+ if (!gr_audit_log_buf) {
-+ panic("Unable to allocate grsecurity audit log buffer");
-+ return;
-+ }
-+
-+ /* allocate memory for authentication structure */
-+ gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL);
-+ gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL);
-+ gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL);
-+
-+ if (!gr_usermode || !gr_system_salt || !gr_system_sum) {
-+ panic("Unable to allocate grsecurity authentication structure");
-+ return;
-+ }
-+
-+
-+#ifdef CONFIG_GRKERNSEC_IO
-+#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO)
-+ grsec_disable_privio = 1;
-+#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON)
-+ grsec_disable_privio = 1;
-+#else
-+ grsec_disable_privio = 0;
-+#endif
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC_TPE_INVERT
-+ /* for backward compatibility, tpe_invert always defaults to on if
-+ enabled in the kernel
-+ */
-+ grsec_enable_tpe_invert = 1;
-+#endif
-+
-+#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON)
-+#ifndef CONFIG_GRKERNSEC_SYSCTL
-+ grsec_lock = 1;
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
-+ grsec_enable_audit_textrel = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
-+ grsec_enable_log_rwxmaps = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
-+ grsec_enable_group = 1;
-+ grsec_audit_gid = CONFIG_GRKERNSEC_AUDIT_GID;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
-+ grsec_enable_ptrace_readexec = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
-+ grsec_enable_chdir = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ grsec_enable_harden_ptrace = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
-+ grsec_enable_mount = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_LINK
-+ grsec_enable_link = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_BRUTE
-+ grsec_enable_brute = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_DMESG
-+ grsec_enable_dmesg = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ grsec_enable_blackhole = 1;
-+ grsec_lastack_retries = 4;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_FIFO
-+ grsec_enable_fifo = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_EXECLOG
-+ grsec_enable_execlog = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ grsec_enable_setxid = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SIGNAL
-+ grsec_enable_signal = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_FORKFAIL
-+ grsec_enable_forkfail = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TIME
-+ grsec_enable_time = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_RESLOG
-+ grsec_resource_logging = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+ grsec_enable_chroot_findtask = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
-+ grsec_enable_chroot_unix = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
-+ grsec_enable_chroot_mount = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
-+ grsec_enable_chroot_fchdir = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
-+ grsec_enable_chroot_shmat = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
-+ grsec_enable_audit_ptrace = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
-+ grsec_enable_chroot_double = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
-+ grsec_enable_chroot_pivot = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
-+ grsec_enable_chroot_chdir = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
-+ grsec_enable_chroot_chmod = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
-+ grsec_enable_chroot_mknod = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
-+ grsec_enable_chroot_nice = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
-+ grsec_enable_chroot_execlog = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ grsec_enable_chroot_caps = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
-+ grsec_enable_chroot_sysctl = 1;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
-+ grsec_enable_symlinkown = 1;
-+ grsec_symlinkown_gid = CONFIG_GRKERNSEC_SYMLINKOWN_GID;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TPE
-+ grsec_enable_tpe = 1;
-+ grsec_tpe_gid = CONFIG_GRKERNSEC_TPE_GID;
-+#ifdef CONFIG_GRKERNSEC_TPE_ALL
-+ grsec_enable_tpe_all = 1;
-+#endif
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
-+ grsec_enable_socket_all = 1;
-+ grsec_socket_all_gid = CONFIG_GRKERNSEC_SOCKET_ALL_GID;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
-+ grsec_enable_socket_client = 1;
-+ grsec_socket_client_gid = CONFIG_GRKERNSEC_SOCKET_CLIENT_GID;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
-+ grsec_enable_socket_server = 1;
-+ grsec_socket_server_gid = CONFIG_GRKERNSEC_SOCKET_SERVER_GID;
-+#endif
-+#endif
-+
-+ return;
-+}
-diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c
-new file mode 100644
-index 0000000..589481f
---- /dev/null
-+++ b/grsecurity/grsec_link.c
-@@ -0,0 +1,58 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/fs.h>
-+#include <linux/file.h>
-+#include <linux/grinternal.h>
-+
-+int gr_handle_symlink_owner(const struct path *link, const struct inode *target)
-+{
-+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
-+ const struct inode *link_inode = link->dentry->d_inode;
-+
-+ if (grsec_enable_symlinkown && in_group_p(grsec_symlinkown_gid) &&
-+ /* ignore root-owned links, e.g. /proc/self */
-+ !uid_eq(link_inode->i_uid, GLOBAL_ROOT_UID) && target &&
-+ !uid_eq(link_inode->i_uid, target->i_uid)) {
-+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINKOWNER_MSG, link->dentry, link->mnt, link_inode->i_uid, target->i_uid);
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_follow_link(const struct inode *parent,
-+ const struct inode *inode,
-+ const struct dentry *dentry, const struct vfsmount *mnt)
-+{
-+#ifdef CONFIG_GRKERNSEC_LINK
-+ const struct cred *cred = current_cred();
-+
-+ if (grsec_enable_link && S_ISLNK(inode->i_mode) &&
-+ (parent->i_mode & S_ISVTX) && !uid_eq(parent->i_uid, inode->i_uid) &&
-+ (parent->i_mode & S_IWOTH) && !uid_eq(cred->fsuid, inode->i_uid)) {
-+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_hardlink(const struct dentry *dentry,
-+ const struct vfsmount *mnt,
-+ struct inode *inode, const int mode, const char *to)
-+{
-+#ifdef CONFIG_GRKERNSEC_LINK
-+ const struct cred *cred = current_cred();
-+
-+ if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) &&
-+ (!S_ISREG(mode) || is_privileged_binary(dentry) ||
-+ (inode_permission(inode, MAY_READ | MAY_WRITE))) &&
-+ !capable(CAP_FOWNER) && !uid_eq(cred->uid, GLOBAL_ROOT_UID)) {
-+ gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to);
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_log.c b/grsecurity/grsec_log.c
-new file mode 100644
-index 0000000..a45d2e9
---- /dev/null
-+++ b/grsecurity/grsec_log.c
-@@ -0,0 +1,322 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/tty.h>
-+#include <linux/fs.h>
-+#include <linux/grinternal.h>
-+
-+#ifdef CONFIG_TREE_PREEMPT_RCU
-+#define DISABLE_PREEMPT() preempt_disable()
-+#define ENABLE_PREEMPT() preempt_enable()
-+#else
-+#define DISABLE_PREEMPT()
-+#define ENABLE_PREEMPT()
-+#endif
-+
-+#define BEGIN_LOCKS(x) \
-+ DISABLE_PREEMPT(); \
-+ rcu_read_lock(); \
-+ read_lock(&tasklist_lock); \
-+ read_lock(&grsec_exec_file_lock); \
-+ if (x != GR_DO_AUDIT) \
-+ spin_lock(&grsec_alert_lock); \
-+ else \
-+ spin_lock(&grsec_audit_lock)
-+
-+#define END_LOCKS(x) \
-+ if (x != GR_DO_AUDIT) \
-+ spin_unlock(&grsec_alert_lock); \
-+ else \
-+ spin_unlock(&grsec_audit_lock); \
-+ read_unlock(&grsec_exec_file_lock); \
-+ read_unlock(&tasklist_lock); \
-+ rcu_read_unlock(); \
-+ ENABLE_PREEMPT(); \
-+ if (x == GR_DONT_AUDIT) \
-+ gr_handle_alertkill(current)
-+
-+enum {
-+ FLOODING,
-+ NO_FLOODING
-+};
-+
-+extern char *gr_alert_log_fmt;
-+extern char *gr_audit_log_fmt;
-+extern char *gr_alert_log_buf;
-+extern char *gr_audit_log_buf;
-+
-+static int gr_log_start(int audit)
-+{
-+ char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT;
-+ char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt;
-+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
-+#if (CONFIG_GRKERNSEC_FLOODTIME > 0 && CONFIG_GRKERNSEC_FLOODBURST > 0)
-+ unsigned long curr_secs = get_seconds();
-+
-+ if (audit == GR_DO_AUDIT)
-+ goto set_fmt;
-+
-+ if (!grsec_alert_wtime || time_after(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)) {
-+ grsec_alert_wtime = curr_secs;
-+ grsec_alert_fyet = 0;
-+ } else if (time_before_eq(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)
-+ && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) {
-+ grsec_alert_fyet++;
-+ } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) {
-+ grsec_alert_wtime = curr_secs;
-+ grsec_alert_fyet++;
-+ printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME);
-+ return FLOODING;
-+ }
-+ else return FLOODING;
-+
-+set_fmt:
-+#endif
-+ memset(buf, 0, PAGE_SIZE);
-+ if (current->signal->curr_ip && gr_acl_is_enabled()) {
-+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) ");
-+ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
-+ } else if (current->signal->curr_ip) {
-+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: ");
-+ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip);
-+ } else if (gr_acl_is_enabled()) {
-+ sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) ");
-+ snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
-+ } else {
-+ sprintf(fmt, "%s%s", loglevel, "grsec: ");
-+ strcpy(buf, fmt);
-+ }
-+
-+ return NO_FLOODING;
-+}
-+
-+static void gr_log_middle(int audit, const char *msg, va_list ap)
-+ __attribute__ ((format (printf, 2, 0)));
-+
-+static void gr_log_middle(int audit, const char *msg, va_list ap)
-+{
-+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
-+ unsigned int len = strlen(buf);
-+
-+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
-+
-+ return;
-+}
-+
-+static void gr_log_middle_varargs(int audit, const char *msg, ...)
-+ __attribute__ ((format (printf, 2, 3)));
-+
-+static void gr_log_middle_varargs(int audit, const char *msg, ...)
-+{
-+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
-+ unsigned int len = strlen(buf);
-+ va_list ap;
-+
-+ va_start(ap, msg);
-+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
-+ va_end(ap);
-+
-+ return;
-+}
-+
-+static void gr_log_end(int audit, int append_default)
-+{
-+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
-+
-+ if (append_default) {
-+ unsigned int len = strlen(buf);
-+ snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, DEFAULTSECARGS(current, current_cred(), __task_cred(current->real_parent)));
-+ }
-+
-+ printk("%s\n", buf);
-+
-+ return;
-+}
-+
-+void gr_log_varargs(int audit, const char *msg, int argtypes, ...)
-+{
-+ int logtype;
-+ char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied";
-+ char *str1 = NULL, *str2 = NULL, *str3 = NULL;
-+ void *voidptr = NULL;
-+ int num1 = 0, num2 = 0;
-+ unsigned long ulong1 = 0, ulong2 = 0;
-+ struct dentry *dentry = NULL;
-+ struct vfsmount *mnt = NULL;
-+ struct file *file = NULL;
-+ struct task_struct *task = NULL;
-+ const struct cred *cred, *pcred;
-+ va_list ap;
-+
-+ BEGIN_LOCKS(audit);
-+ logtype = gr_log_start(audit);
-+ if (logtype == FLOODING) {
-+ END_LOCKS(audit);
-+ return;
-+ }
-+ va_start(ap, argtypes);
-+ switch (argtypes) {
-+ case GR_TTYSNIFF:
-+ task = va_arg(ap, struct task_struct *);
-+ gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task->pid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid);
-+ break;
-+ case GR_SYSCTL_HIDDEN:
-+ str1 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, result, str1);
-+ break;
-+ case GR_RBAC:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt));
-+ break;
-+ case GR_RBAC_STR:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ str1 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1);
-+ break;
-+ case GR_STR_RBAC:
-+ str1 = va_arg(ap, char *);
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt));
-+ break;
-+ case GR_RBAC_MODE2:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ str1 = va_arg(ap, char *);
-+ str2 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2);
-+ break;
-+ case GR_RBAC_MODE3:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ str1 = va_arg(ap, char *);
-+ str2 = va_arg(ap, char *);
-+ str3 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3);
-+ break;
-+ case GR_FILENAME:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt));
-+ break;
-+ case GR_STR_FILENAME:
-+ str1 = va_arg(ap, char *);
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt));
-+ break;
-+ case GR_FILENAME_STR:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ str1 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1);
-+ break;
-+ case GR_FILENAME_TWO_INT:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ num1 = va_arg(ap, int);
-+ num2 = va_arg(ap, int);
-+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2);
-+ break;
-+ case GR_FILENAME_TWO_INT_STR:
-+ dentry = va_arg(ap, struct dentry *);
-+ mnt = va_arg(ap, struct vfsmount *);
-+ num1 = va_arg(ap, int);
-+ num2 = va_arg(ap, int);
-+ str1 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1);
-+ break;
-+ case GR_TEXTREL:
-+ file = va_arg(ap, struct file *);
-+ ulong1 = va_arg(ap, unsigned long);
-+ ulong2 = va_arg(ap, unsigned long);
-+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2);
-+ break;
-+ case GR_PTRACE:
-+ task = va_arg(ap, struct task_struct *);
-+ gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task->pid);
-+ break;
-+ case GR_RESOURCE:
-+ task = va_arg(ap, struct task_struct *);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+ ulong1 = va_arg(ap, unsigned long);
-+ str1 = va_arg(ap, char *);
-+ ulong2 = va_arg(ap, unsigned long);
-+ gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
-+ break;
-+ case GR_CAP:
-+ task = va_arg(ap, struct task_struct *);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+ str1 = va_arg(ap, char *);
-+ gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
-+ break;
-+ case GR_SIG:
-+ str1 = va_arg(ap, char *);
-+ voidptr = va_arg(ap, void *);
-+ gr_log_middle_varargs(audit, msg, str1, voidptr);
-+ break;
-+ case GR_SIG2:
-+ task = va_arg(ap, struct task_struct *);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+ num1 = va_arg(ap, int);
-+ gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
-+ break;
-+ case GR_CRASH1:
-+ task = va_arg(ap, struct task_struct *);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+ ulong1 = va_arg(ap, unsigned long);
-+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, cred->uid, ulong1);
-+ break;
-+ case GR_CRASH2:
-+ task = va_arg(ap, struct task_struct *);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+ ulong1 = va_arg(ap, unsigned long);
-+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, ulong1);
-+ break;
-+ case GR_RWXMAP:
-+ file = va_arg(ap, struct file *);
-+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>");
-+ break;
-+ case GR_PSACCT:
-+ {
-+ unsigned int wday, cday;
-+ __u8 whr, chr;
-+ __u8 wmin, cmin;
-+ __u8 wsec, csec;
-+ char cur_tty[64] = { 0 };
-+ char parent_tty[64] = { 0 };
-+
-+ task = va_arg(ap, struct task_struct *);
-+ wday = va_arg(ap, unsigned int);
-+ cday = va_arg(ap, unsigned int);
-+ whr = va_arg(ap, int);
-+ chr = va_arg(ap, int);
-+ wmin = va_arg(ap, int);
-+ cmin = va_arg(ap, int);
-+ wsec = va_arg(ap, int);
-+ csec = va_arg(ap, int);
-+ ulong1 = va_arg(ap, unsigned long);
-+ cred = __task_cred(task);
-+ pcred = __task_cred(task->real_parent);
-+
-+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), cred->uid, cred->euid, cred->gid, cred->egid, wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), pcred->uid, pcred->euid, pcred->gid, pcred->egid);
-+ }
-+ break;
-+ default:
-+ gr_log_middle(audit, msg, ap);
-+ }
-+ va_end(ap);
-+ // these don't need DEFAULTSECARGS printed on the end
-+ if (argtypes == GR_CRASH1 || argtypes == GR_CRASH2)
-+ gr_log_end(audit, 0);
-+ else
-+ gr_log_end(audit, 1);
-+ END_LOCKS(audit);
-+}
-diff --git a/grsecurity/grsec_mem.c b/grsecurity/grsec_mem.c
-new file mode 100644
-index 0000000..f536303
---- /dev/null
-+++ b/grsecurity/grsec_mem.c
-@@ -0,0 +1,40 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/mman.h>
-+#include <linux/grinternal.h>
-+
-+void
-+gr_handle_ioperm(void)
-+{
-+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG);
-+ return;
-+}
-+
-+void
-+gr_handle_iopl(void)
-+{
-+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG);
-+ return;
-+}
-+
-+void
-+gr_handle_mem_readwrite(u64 from, u64 to)
-+{
-+ gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to);
-+ return;
-+}
-+
-+void
-+gr_handle_vm86(void)
-+{
-+ gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG);
-+ return;
-+}
-+
-+void
-+gr_log_badprocpid(const char *entry)
-+{
-+ gr_log_str(GR_DONT_AUDIT, GR_BADPROCPID_MSG, entry);
-+ return;
-+}
-diff --git a/grsecurity/grsec_mount.c b/grsecurity/grsec_mount.c
-new file mode 100644
-index 0000000..2131422
---- /dev/null
-+++ b/grsecurity/grsec_mount.c
-@@ -0,0 +1,62 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/mount.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+void
-+gr_log_remount(const char *devname, const int retval)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
-+ if (grsec_enable_mount && (retval >= 0))
-+ gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none");
-+#endif
-+ return;
-+}
-+
-+void
-+gr_log_unmount(const char *devname, const int retval)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
-+ if (grsec_enable_mount && (retval >= 0))
-+ gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none");
-+#endif
-+ return;
-+}
-+
-+void
-+gr_log_mount(const char *from, const char *to, const int retval)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
-+ if (grsec_enable_mount && (retval >= 0))
-+ gr_log_str_str(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to);
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags)
-+{
-+#ifdef CONFIG_GRKERNSEC_ROFS
-+ if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) {
-+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt);
-+ return -EPERM;
-+ } else
-+ return 0;
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode)
-+{
-+#ifdef CONFIG_GRKERNSEC_ROFS
-+ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) &&
-+ dentry->d_inode && S_ISBLK(dentry->d_inode->i_mode)) {
-+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt);
-+ return -EPERM;
-+ } else
-+ return 0;
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_pax.c b/grsecurity/grsec_pax.c
-new file mode 100644
-index 0000000..a3b12a0
---- /dev/null
-+++ b/grsecurity/grsec_pax.c
-@@ -0,0 +1,36 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/file.h>
-+#include <linux/grinternal.h>
-+#include <linux/grsecurity.h>
-+
-+void
-+gr_log_textrel(struct vm_area_struct * vma)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
-+ if (grsec_enable_audit_textrel)
-+ gr_log_textrel_ulong_ulong(GR_DO_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff);
-+#endif
-+ return;
-+}
-+
-+void
-+gr_log_rwxmmap(struct file *file)
-+{
-+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
-+ if (grsec_enable_log_rwxmaps)
-+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file);
-+#endif
-+ return;
-+}
-+
-+void
-+gr_log_rwxmprotect(struct file *file)
-+{
-+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
-+ if (grsec_enable_log_rwxmaps)
-+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, file);
-+#endif
-+ return;
-+}
-diff --git a/grsecurity/grsec_ptrace.c b/grsecurity/grsec_ptrace.c
-new file mode 100644
-index 0000000..f7f29aa
---- /dev/null
-+++ b/grsecurity/grsec_ptrace.c
-@@ -0,0 +1,30 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/grinternal.h>
-+#include <linux/security.h>
-+
-+void
-+gr_audit_ptrace(struct task_struct *task)
-+{
-+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
-+ if (grsec_enable_audit_ptrace)
-+ gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task);
-+#endif
-+ return;
-+}
-+
-+int
-+gr_ptrace_readexec(struct file *file, int unsafe_flags)
-+{
-+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
-+ const struct dentry *dentry = file->f_path.dentry;
-+ const struct vfsmount *mnt = file->f_path.mnt;
-+
-+ if (grsec_enable_ptrace_readexec && (unsafe_flags & LSM_UNSAFE_PTRACE) &&
-+ (inode_permission(dentry->d_inode, MAY_READ) || !gr_acl_handle_open(dentry, mnt, MAY_READ))) {
-+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_READEXEC_MSG, dentry, mnt);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_sig.c b/grsecurity/grsec_sig.c
-new file mode 100644
-index 0000000..b4ac94c
---- /dev/null
-+++ b/grsecurity/grsec_sig.c
-@@ -0,0 +1,209 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/delay.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+#include <linux/hardirq.h>
-+
-+char *signames[] = {
-+ [SIGSEGV] = "Segmentation fault",
-+ [SIGILL] = "Illegal instruction",
-+ [SIGABRT] = "Abort",
-+ [SIGBUS] = "Invalid alignment/Bus error"
-+};
-+
-+void
-+gr_log_signal(const int sig, const void *addr, const struct task_struct *t)
-+{
-+#ifdef CONFIG_GRKERNSEC_SIGNAL
-+ if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) ||
-+ (sig == SIGABRT) || (sig == SIGBUS))) {
-+ if (t->pid == current->pid) {
-+ gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr);
-+ } else {
-+ gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig);
-+ }
-+ }
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_signal(const struct task_struct *p, const int sig)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ /* ignore the 0 signal for protected task checks */
-+ if (current->pid > 1 && sig && gr_check_protected_task(p)) {
-+ gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig);
-+ return -EPERM;
-+ } else if (gr_pid_is_chrooted((struct task_struct *)p)) {
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+#ifdef CONFIG_GRKERNSEC
-+extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t);
-+
-+int gr_fake_force_sig(int sig, struct task_struct *t)
-+{
-+ unsigned long int flags;
-+ int ret, blocked, ignored;
-+ struct k_sigaction *action;
-+
-+ spin_lock_irqsave(&t->sighand->siglock, flags);
-+ action = &t->sighand->action[sig-1];
-+ ignored = action->sa.sa_handler == SIG_IGN;
-+ blocked = sigismember(&t->blocked, sig);
-+ if (blocked || ignored) {
-+ action->sa.sa_handler = SIG_DFL;
-+ if (blocked) {
-+ sigdelset(&t->blocked, sig);
-+ recalc_sigpending_and_wake(t);
-+ }
-+ }
-+ if (action->sa.sa_handler == SIG_DFL)
-+ t->signal->flags &= ~SIGNAL_UNKILLABLE;
-+ ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t);
-+
-+ spin_unlock_irqrestore(&t->sighand->siglock, flags);
-+
-+ return ret;
-+}
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC_BRUTE
-+#define GR_USER_BAN_TIME (15 * 60)
-+
-+static int __get_dumpable(unsigned long mm_flags)
-+{
-+ int ret;
-+
-+ ret = mm_flags & MMF_DUMPABLE_MASK;
-+ return (ret >= 2) ? 2 : ret;
-+}
-+#endif
-+
-+void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags)
-+{
-+#ifdef CONFIG_GRKERNSEC_BRUTE
-+ kuid_t uid = GLOBAL_ROOT_UID;
-+
-+ if (!grsec_enable_brute)
-+ return;
-+
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ read_lock(&grsec_exec_file_lock);
-+ if (p->real_parent && p->real_parent->exec_file == p->exec_file)
-+ p->real_parent->brute = 1;
-+ else {
-+ const struct cred *cred = __task_cred(p), *cred2;
-+ struct task_struct *tsk, *tsk2;
-+
-+ if (!__get_dumpable(mm_flags) && !uid_eq(cred->uid, GLOBAL_ROOT_UID)) {
-+ struct user_struct *user;
-+
-+ uid = cred->uid;
-+
-+ /* this is put upon execution past expiration */
-+ user = find_user(uid);
-+ if (user == NULL)
-+ goto unlock;
-+ user->banned = 1;
-+ user->ban_expires = get_seconds() + GR_USER_BAN_TIME;
-+ if (user->ban_expires == ~0UL)
-+ user->ban_expires--;
-+
-+ do_each_thread(tsk2, tsk) {
-+ cred2 = __task_cred(tsk);
-+ if (tsk != p && uid_eq(cred2->uid, uid))
-+ gr_fake_force_sig(SIGKILL, tsk);
-+ } while_each_thread(tsk2, tsk);
-+ }
-+ }
-+unlock:
-+ read_unlock(&grsec_exec_file_lock);
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+
-+ if (!uid_eq(uid, GLOBAL_ROOT_UID))
-+ printk(KERN_ALERT "grsec: bruteforce prevention initiated against uid %u, banning for %d minutes\n",
-+ from_kuid_munged(&init_user_ns, uid), GR_USER_BAN_TIME / 60);
-+
-+#endif
-+ return;
-+}
-+
-+void gr_handle_brute_check(void)
-+{
-+#ifdef CONFIG_GRKERNSEC_BRUTE
-+ if (current->brute)
-+ msleep(30 * 1000);
-+#endif
-+ return;
-+}
-+
-+void gr_handle_kernel_exploit(void)
-+{
-+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
-+ const struct cred *cred;
-+ struct task_struct *tsk, *tsk2;
-+ struct user_struct *user;
-+ kuid_t uid;
-+
-+ if (in_irq() || in_serving_softirq() || in_nmi())
-+ panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context");
-+
-+ uid = current_uid();
-+
-+ if (uid_eq(uid, GLOBAL_ROOT_UID))
-+ panic("grsec: halting the system due to suspicious kernel crash caused by root");
-+ else {
-+ /* kill all the processes of this user, hold a reference
-+ to their creds struct, and prevent them from creating
-+ another process until system reset
-+ */
-+ printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n",
-+ from_kuid_munged(&init_user_ns, uid));
-+ /* we intentionally leak this ref */
-+ user = get_uid(current->cred->user);
-+ if (user) {
-+ user->banned = 1;
-+ user->ban_expires = ~0UL;
-+ }
-+
-+ read_lock(&tasklist_lock);
-+ do_each_thread(tsk2, tsk) {
-+ cred = __task_cred(tsk);
-+ if (uid_eq(cred->uid, uid))
-+ gr_fake_force_sig(SIGKILL, tsk);
-+ } while_each_thread(tsk2, tsk);
-+ read_unlock(&tasklist_lock);
-+ }
-+#endif
-+}
-+
-+int __gr_process_user_ban(struct user_struct *user)
-+{
-+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
-+ if (unlikely(user->banned)) {
-+ if (user->ban_expires != ~0UL && time_after_eq(get_seconds(), user->ban_expires)) {
-+ user->banned = 0;
-+ user->ban_expires = 0;
-+ free_uid(user);
-+ } else
-+ return -EPERM;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int gr_process_user_ban(void)
-+{
-+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
-+ return __gr_process_user_ban(current->cred->user);
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_sock.c b/grsecurity/grsec_sock.c
-new file mode 100644
-index 0000000..4030d57
---- /dev/null
-+++ b/grsecurity/grsec_sock.c
-@@ -0,0 +1,244 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/net.h>
-+#include <linux/in.h>
-+#include <linux/ip.h>
-+#include <net/sock.h>
-+#include <net/inet_sock.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+#include <linux/gracl.h>
-+
-+extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb);
-+extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr);
-+
-+EXPORT_SYMBOL(gr_search_udp_recvmsg);
-+EXPORT_SYMBOL(gr_search_udp_sendmsg);
-+
-+#ifdef CONFIG_UNIX_MODULE
-+EXPORT_SYMBOL(gr_acl_handle_unix);
-+EXPORT_SYMBOL(gr_acl_handle_mknod);
-+EXPORT_SYMBOL(gr_handle_chroot_unix);
-+EXPORT_SYMBOL(gr_handle_create);
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC
-+#define gr_conn_table_size 32749
-+struct conn_table_entry {
-+ struct conn_table_entry *next;
-+ struct signal_struct *sig;
-+};
-+
-+struct conn_table_entry *gr_conn_table[gr_conn_table_size];
-+DEFINE_SPINLOCK(gr_conn_table_lock);
-+
-+extern const char * gr_socktype_to_name(unsigned char type);
-+extern const char * gr_proto_to_name(unsigned char proto);
-+extern const char * gr_sockfamily_to_name(unsigned char family);
-+
-+static __inline__ int
-+conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size)
-+{
-+ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size);
-+}
-+
-+static __inline__ int
-+conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr,
-+ __u16 sport, __u16 dport)
-+{
-+ if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr &&
-+ sig->gr_sport == sport && sig->gr_dport == dport))
-+ return 1;
-+ else
-+ return 0;
-+}
-+
-+static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent)
-+{
-+ struct conn_table_entry **match;
-+ unsigned int index;
-+
-+ index = conn_hash(sig->gr_saddr, sig->gr_daddr,
-+ sig->gr_sport, sig->gr_dport,
-+ gr_conn_table_size);
-+
-+ newent->sig = sig;
-+
-+ match = &gr_conn_table[index];
-+ newent->next = *match;
-+ *match = newent;
-+
-+ return;
-+}
-+
-+static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig)
-+{
-+ struct conn_table_entry *match, *last = NULL;
-+ unsigned int index;
-+
-+ index = conn_hash(sig->gr_saddr, sig->gr_daddr,
-+ sig->gr_sport, sig->gr_dport,
-+ gr_conn_table_size);
-+
-+ match = gr_conn_table[index];
-+ while (match && !conn_match(match->sig,
-+ sig->gr_saddr, sig->gr_daddr, sig->gr_sport,
-+ sig->gr_dport)) {
-+ last = match;
-+ match = match->next;
-+ }
-+
-+ if (match) {
-+ if (last)
-+ last->next = match->next;
-+ else
-+ gr_conn_table[index] = NULL;
-+ kfree(match);
-+ }
-+
-+ return;
-+}
-+
-+static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr,
-+ __u16 sport, __u16 dport)
-+{
-+ struct conn_table_entry *match;
-+ unsigned int index;
-+
-+ index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size);
-+
-+ match = gr_conn_table[index];
-+ while (match && !conn_match(match->sig, saddr, daddr, sport, dport))
-+ match = match->next;
-+
-+ if (match)
-+ return match->sig;
-+ else
-+ return NULL;
-+}
-+
-+#endif
-+
-+void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ struct signal_struct *sig = task->signal;
-+ struct conn_table_entry *newent;
-+
-+ newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC);
-+ if (newent == NULL)
-+ return;
-+ /* no bh lock needed since we are called with bh disabled */
-+ spin_lock(&gr_conn_table_lock);
-+ gr_del_task_from_ip_table_nolock(sig);
-+ sig->gr_saddr = inet->inet_rcv_saddr;
-+ sig->gr_daddr = inet->inet_daddr;
-+ sig->gr_sport = inet->inet_sport;
-+ sig->gr_dport = inet->inet_dport;
-+ gr_add_to_task_ip_table_nolock(sig, newent);
-+ spin_unlock(&gr_conn_table_lock);
-+#endif
-+ return;
-+}
-+
-+void gr_del_task_from_ip_table(struct task_struct *task)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ spin_lock_bh(&gr_conn_table_lock);
-+ gr_del_task_from_ip_table_nolock(task->signal);
-+ spin_unlock_bh(&gr_conn_table_lock);
-+#endif
-+ return;
-+}
-+
-+void
-+gr_attach_curr_ip(const struct sock *sk)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ struct signal_struct *p, *set;
-+ const struct inet_sock *inet = inet_sk(sk);
-+
-+ if (unlikely(sk->sk_protocol != IPPROTO_TCP))
-+ return;
-+
-+ set = current->signal;
-+
-+ spin_lock_bh(&gr_conn_table_lock);
-+ p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr,
-+ inet->inet_dport, inet->inet_sport);
-+ if (unlikely(p != NULL)) {
-+ set->curr_ip = p->curr_ip;
-+ set->used_accept = 1;
-+ gr_del_task_from_ip_table_nolock(p);
-+ spin_unlock_bh(&gr_conn_table_lock);
-+ return;
-+ }
-+ spin_unlock_bh(&gr_conn_table_lock);
-+
-+ set->curr_ip = inet->inet_daddr;
-+ set->used_accept = 1;
-+#endif
-+ return;
-+}
-+
-+int
-+gr_handle_sock_all(const int family, const int type, const int protocol)
-+{
-+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
-+ if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) &&
-+ (family != AF_UNIX)) {
-+ if (family == AF_INET)
-+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol));
-+ else
-+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_sock_server(const struct sockaddr *sck)
-+{
-+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
-+ if (grsec_enable_socket_server &&
-+ in_group_p(grsec_socket_server_gid) &&
-+ sck && (sck->sa_family != AF_UNIX) &&
-+ (sck->sa_family != AF_LOCAL)) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_sock_server_other(const struct sock *sck)
-+{
-+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
-+ if (grsec_enable_socket_server &&
-+ in_group_p(grsec_socket_server_gid) &&
-+ sck && (sck->sk_family != AF_UNIX) &&
-+ (sck->sk_family != AF_LOCAL)) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+int
-+gr_handle_sock_client(const struct sockaddr *sck)
-+{
-+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
-+ if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) &&
-+ sck && (sck->sa_family != AF_UNIX) &&
-+ (sck->sa_family != AF_LOCAL)) {
-+ gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-diff --git a/grsecurity/grsec_sysctl.c b/grsecurity/grsec_sysctl.c
-new file mode 100644
-index 0000000..f55ef0f
---- /dev/null
-+++ b/grsecurity/grsec_sysctl.c
-@@ -0,0 +1,469 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/sysctl.h>
-+#include <linux/grsecurity.h>
-+#include <linux/grinternal.h>
-+
-+int
-+gr_handle_sysctl_mod(const char *dirname, const char *name, const int op)
-+{
-+#ifdef CONFIG_GRKERNSEC_SYSCTL
-+ if (dirname == NULL || name == NULL)
-+ return 0;
-+ if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) {
-+ gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name);
-+ return -EACCES;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+#ifdef CONFIG_GRKERNSEC_ROFS
-+static int __maybe_unused one = 1;
-+#endif
-+
-+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS)
-+struct ctl_table grsecurity_table[] = {
-+#ifdef CONFIG_GRKERNSEC_SYSCTL
-+#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO
-+#ifdef CONFIG_GRKERNSEC_IO
-+ {
-+ .procname = "disable_priv_io",
-+ .data = &grsec_disable_privio,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#endif
-+#ifdef CONFIG_GRKERNSEC_LINK
-+ {
-+ .procname = "linking_restrictions",
-+ .data = &grsec_enable_link,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
-+ {
-+ .procname = "enforce_symlinksifowner",
-+ .data = &grsec_enable_symlinkown,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "symlinkown_gid",
-+ .data = &grsec_symlinkown_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_BRUTE
-+ {
-+ .procname = "deter_bruteforce",
-+ .data = &grsec_enable_brute,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_FIFO
-+ {
-+ .procname = "fifo_restrictions",
-+ .data = &grsec_enable_fifo,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
-+ {
-+ .procname = "ptrace_readexec",
-+ .data = &grsec_enable_ptrace_readexec,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ {
-+ .procname = "consistent_setxid",
-+ .data = &grsec_enable_setxid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ {
-+ .procname = "ip_blackhole",
-+ .data = &grsec_enable_blackhole,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "lastack_retries",
-+ .data = &grsec_lastack_retries,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_EXECLOG
-+ {
-+ .procname = "exec_logging",
-+ .data = &grsec_enable_execlog,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
-+ {
-+ .procname = "rwxmap_logging",
-+ .data = &grsec_enable_log_rwxmaps,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SIGNAL
-+ {
-+ .procname = "signal_logging",
-+ .data = &grsec_enable_signal,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_FORKFAIL
-+ {
-+ .procname = "forkfail_logging",
-+ .data = &grsec_enable_forkfail,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TIME
-+ {
-+ .procname = "timechange_logging",
-+ .data = &grsec_enable_time,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
-+ {
-+ .procname = "chroot_deny_shmat",
-+ .data = &grsec_enable_chroot_shmat,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
-+ {
-+ .procname = "chroot_deny_unix",
-+ .data = &grsec_enable_chroot_unix,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
-+ {
-+ .procname = "chroot_deny_mount",
-+ .data = &grsec_enable_chroot_mount,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
-+ {
-+ .procname = "chroot_deny_fchdir",
-+ .data = &grsec_enable_chroot_fchdir,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
-+ {
-+ .procname = "chroot_deny_chroot",
-+ .data = &grsec_enable_chroot_double,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
-+ {
-+ .procname = "chroot_deny_pivot",
-+ .data = &grsec_enable_chroot_pivot,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
-+ {
-+ .procname = "chroot_enforce_chdir",
-+ .data = &grsec_enable_chroot_chdir,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
-+ {
-+ .procname = "chroot_deny_chmod",
-+ .data = &grsec_enable_chroot_chmod,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
-+ {
-+ .procname = "chroot_deny_mknod",
-+ .data = &grsec_enable_chroot_mknod,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
-+ {
-+ .procname = "chroot_restrict_nice",
-+ .data = &grsec_enable_chroot_nice,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
-+ {
-+ .procname = "chroot_execlog",
-+ .data = &grsec_enable_chroot_execlog,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
-+ {
-+ .procname = "chroot_caps",
-+ .data = &grsec_enable_chroot_caps,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
-+ {
-+ .procname = "chroot_deny_sysctl",
-+ .data = &grsec_enable_chroot_sysctl,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TPE
-+ {
-+ .procname = "tpe",
-+ .data = &grsec_enable_tpe,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "tpe_gid",
-+ .data = &grsec_tpe_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TPE_INVERT
-+ {
-+ .procname = "tpe_invert",
-+ .data = &grsec_enable_tpe_invert,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_TPE_ALL
-+ {
-+ .procname = "tpe_restrict_all",
-+ .data = &grsec_enable_tpe_all,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
-+ {
-+ .procname = "socket_all",
-+ .data = &grsec_enable_socket_all,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "socket_all_gid",
-+ .data = &grsec_socket_all_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
-+ {
-+ .procname = "socket_client",
-+ .data = &grsec_enable_socket_client,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "socket_client_gid",
-+ .data = &grsec_socket_client_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
-+ {
-+ .procname = "socket_server",
-+ .data = &grsec_enable_socket_server,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "socket_server_gid",
-+ .data = &grsec_socket_server_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
-+ {
-+ .procname = "audit_group",
-+ .data = &grsec_enable_group,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+ {
-+ .procname = "audit_gid",
-+ .data = &grsec_audit_gid,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
-+ {
-+ .procname = "audit_chdir",
-+ .data = &grsec_enable_chdir,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
-+ {
-+ .procname = "audit_mount",
-+ .data = &grsec_enable_mount,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
-+ {
-+ .procname = "audit_textrel",
-+ .data = &grsec_enable_audit_textrel,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_DMESG
-+ {
-+ .procname = "dmesg",
-+ .data = &grsec_enable_dmesg,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+ {
-+ .procname = "chroot_findtask",
-+ .data = &grsec_enable_chroot_findtask,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_RESLOG
-+ {
-+ .procname = "resource_logging",
-+ .data = &grsec_resource_logging,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
-+ {
-+ .procname = "audit_ptrace",
-+ .data = &grsec_enable_audit_ptrace,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
-+ {
-+ .procname = "harden_ptrace",
-+ .data = &grsec_enable_harden_ptrace,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+ {
-+ .procname = "grsec_lock",
-+ .data = &grsec_lock,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+#endif
-+#ifdef CONFIG_GRKERNSEC_ROFS
-+ {
-+ .procname = "romount_protect",
-+ .data = &grsec_enable_rofs,
-+ .maxlen = sizeof(int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec_minmax,
-+ .extra1 = &one,
-+ .extra2 = &one,
-+ },
-+#endif
-+ { }
-+};
-+#endif
-diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c
-new file mode 100644
-index 0000000..0dc13c3
---- /dev/null
-+++ b/grsecurity/grsec_time.c
-@@ -0,0 +1,16 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/grinternal.h>
-+#include <linux/module.h>
-+
-+void
-+gr_log_timechange(void)
-+{
-+#ifdef CONFIG_GRKERNSEC_TIME
-+ if (grsec_enable_time)
-+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG);
-+#endif
-+ return;
-+}
-+
-+EXPORT_SYMBOL(gr_log_timechange);
-diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c
-new file mode 100644
-index 0000000..07e0dc0
---- /dev/null
-+++ b/grsecurity/grsec_tpe.c
-@@ -0,0 +1,73 @@
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/file.h>
-+#include <linux/fs.h>
-+#include <linux/grinternal.h>
-+
-+extern int gr_acl_tpe_check(void);
-+
-+int
-+gr_tpe_allow(const struct file *file)
-+{
-+#ifdef CONFIG_GRKERNSEC
-+ struct inode *inode = file->f_path.dentry->d_parent->d_inode;
-+ const struct cred *cred = current_cred();
-+ char *msg = NULL;
-+ char *msg2 = NULL;
-+
-+ // never restrict root
-+ if (!cred->uid)
-+ return 1;
-+
-+ if (grsec_enable_tpe) {
-+#ifdef CONFIG_GRKERNSEC_TPE_INVERT
-+ if (grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid))
-+ msg = "not being in trusted group";
-+ else if (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid))
-+ msg = "being in untrusted group";
-+#else
-+ if (in_group_p(grsec_tpe_gid))
-+ msg = "being in untrusted group";
-+#endif
-+ }
-+ if (!msg && gr_acl_tpe_check())
-+ msg = "being in untrusted role";
-+
-+ // not in any affected group/role
-+ if (!msg)
-+ goto next_check;
-+
-+ if (inode->i_uid)
-+ msg2 = "file in non-root-owned directory";
-+ else if (inode->i_mode & S_IWOTH)
-+ msg2 = "file in world-writable directory";
-+ else if (inode->i_mode & S_IWGRP)
-+ msg2 = "file in group-writable directory";
-+
-+ if (msg && msg2) {
-+ char fullmsg[70] = {0};
-+ snprintf(fullmsg, sizeof(fullmsg)-1, "%s and %s", msg, msg2);
-+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, fullmsg, file->f_path.dentry, file->f_path.mnt);
-+ return 0;
-+ }
-+ msg = NULL;
-+next_check:
-+#ifdef CONFIG_GRKERNSEC_TPE_ALL
-+ if (!grsec_enable_tpe || !grsec_enable_tpe_all)
-+ return 1;
-+
-+ if (inode->i_uid && (inode->i_uid != cred->uid))
-+ msg = "directory not owned by user";
-+ else if (inode->i_mode & S_IWOTH)
-+ msg = "file in world-writable directory";
-+ else if (inode->i_mode & S_IWGRP)
-+ msg = "file in group-writable directory";
-+
-+ if (msg) {
-+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, msg, file->f_path.dentry, file->f_path.mnt);
-+ return 0;
-+ }
-+#endif
-+#endif
-+ return 1;
-+}
-diff --git a/grsecurity/grsum.c b/grsecurity/grsum.c
-new file mode 100644
-index 0000000..9f7b1ac
---- /dev/null
-+++ b/grsecurity/grsum.c
-@@ -0,0 +1,61 @@
-+#include <linux/err.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/scatterlist.h>
-+#include <linux/crypto.h>
-+#include <linux/gracl.h>
-+
-+
-+#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE)
-+#error "crypto and sha256 must be built into the kernel"
-+#endif
-+
-+int
-+chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum)
-+{
-+ char *p;
-+ struct crypto_hash *tfm;
-+ struct hash_desc desc;
-+ struct scatterlist sg;
-+ unsigned char temp_sum[GR_SHA_LEN];
-+ volatile int retval = 0;
-+ volatile int dummy = 0;
-+ unsigned int i;
-+
-+ sg_init_table(&sg, 1);
-+
-+ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC);
-+ if (IS_ERR(tfm)) {
-+ /* should never happen, since sha256 should be built in */
-+ return 1;
-+ }
-+
-+ desc.tfm = tfm;
-+ desc.flags = 0;
-+
-+ crypto_hash_init(&desc);
-+
-+ p = salt;
-+ sg_set_buf(&sg, p, GR_SALT_LEN);
-+ crypto_hash_update(&desc, &sg, sg.length);
-+
-+ p = entry->pw;
-+ sg_set_buf(&sg, p, strlen(p));
-+
-+ crypto_hash_update(&desc, &sg, sg.length);
-+
-+ crypto_hash_final(&desc, temp_sum);
-+
-+ memset(entry->pw, 0, GR_PW_LEN);
-+
-+ for (i = 0; i < GR_SHA_LEN; i++)
-+ if (sum[i] != temp_sum[i])
-+ retval = 1;
-+ else
-+ dummy = 1; // waste a cycle
-+
-+ crypto_free_hash(tfm);
-+
-+ return retval;
-+}
-diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
-index 9e6e1c6..d47b906 100644
---- a/include/acpi/acpi_bus.h
-+++ b/include/acpi/acpi_bus.h
-@@ -138,7 +138,7 @@ struct acpi_device_ops {
- acpi_op_bind bind;
- acpi_op_unbind unbind;
- acpi_op_notify notify;
--};
-+} __no_const;
-
- #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
-
-diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
-index 77ff547..181834f 100644
---- a/include/asm-generic/4level-fixup.h
-+++ b/include/asm-generic/4level-fixup.h
-@@ -13,8 +13,10 @@
- #define pmd_alloc(mm, pud, address) \
- ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
- NULL: pmd_offset(pud, address))
-+#define pmd_alloc_kernel(mm, pud, address) pmd_alloc((mm), (pud), (address))
-
- #define pud_alloc(mm, pgd, address) (pgd)
-+#define pud_alloc_kernel(mm, pgd, address) pud_alloc((mm), (pgd), (address))
- #define pud_offset(pgd, start) (pgd)
- #define pud_none(pud) 0
- #define pud_bad(pud) 0
-diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
-index b7babf0..3ba8aee 100644
---- a/include/asm-generic/atomic-long.h
-+++ b/include/asm-generic/atomic-long.h
-@@ -22,6 +22,12 @@
-
- typedef atomic64_t atomic_long_t;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef atomic64_unchecked_t atomic_long_unchecked_t;
-+#else
-+typedef atomic64_t atomic_long_unchecked_t;
-+#endif
-+
- #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
-
- static inline long atomic_long_read(atomic_long_t *l)
-@@ -31,6 +37,15 @@ static inline long atomic_long_read(atomic_long_t *l)
- return (long)atomic64_read(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ return (long)atomic64_read_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_set(atomic_long_t *l, long i)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -38,6 +53,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
- atomic64_set(v, i);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ atomic64_set_unchecked(v, i);
-+}
-+#endif
-+
- static inline void atomic_long_inc(atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
- atomic64_inc(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ atomic64_inc_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_dec(atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
- atomic64_dec(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ atomic64_dec_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_add(long i, atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -59,6 +101,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
- atomic64_add(i, v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ atomic64_add_unchecked(i, v);
-+}
-+#endif
-+
- static inline void atomic_long_sub(long i, atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -66,6 +117,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
- atomic64_sub(i, v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ atomic64_sub_unchecked(i, v);
-+}
-+#endif
-+
- static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -115,6 +175,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
- return (long)atomic64_inc_return(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
-+
-+ return (long)atomic64_inc_return_unchecked(v);
-+}
-+#endif
-+
- static inline long atomic_long_dec_return(atomic_long_t *l)
- {
- atomic64_t *v = (atomic64_t *)l;
-@@ -140,6 +209,12 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
-
- typedef atomic_t atomic_long_t;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef atomic_unchecked_t atomic_long_unchecked_t;
-+#else
-+typedef atomic_t atomic_long_unchecked_t;
-+#endif
-+
- #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
- static inline long atomic_long_read(atomic_long_t *l)
- {
-@@ -148,6 +223,15 @@ static inline long atomic_long_read(atomic_long_t *l)
- return (long)atomic_read(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ return (long)atomic_read_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_set(atomic_long_t *l, long i)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -155,6 +239,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
- atomic_set(v, i);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ atomic_set_unchecked(v, i);
-+}
-+#endif
-+
- static inline void atomic_long_inc(atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -162,6 +255,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
- atomic_inc(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ atomic_inc_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_dec(atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -169,6 +271,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
- atomic_dec(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ atomic_dec_unchecked(v);
-+}
-+#endif
-+
- static inline void atomic_long_add(long i, atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -176,6 +287,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
- atomic_add(i, v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ atomic_add_unchecked(i, v);
-+}
-+#endif
-+
- static inline void atomic_long_sub(long i, atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -183,6 +303,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
- atomic_sub(i, v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ atomic_sub_unchecked(i, v);
-+}
-+#endif
-+
- static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -232,6 +361,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
- return (long)atomic_inc_return(v);
- }
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
-+{
-+ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
-+
-+ return (long)atomic_inc_return_unchecked(v);
-+}
-+#endif
-+
- static inline long atomic_long_dec_return(atomic_long_t *l)
- {
- atomic_t *v = (atomic_t *)l;
-@@ -255,4 +393,55 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
-
- #endif /* BITS_PER_LONG == 64 */
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+static inline void pax_refcount_needs_these_functions(void)
-+{
-+ atomic_read_unchecked((atomic_unchecked_t *)NULL);
-+ atomic_set_unchecked((atomic_unchecked_t *)NULL, 0);
-+ atomic_add_unchecked(0, (atomic_unchecked_t *)NULL);
-+ atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL);
-+ atomic_inc_unchecked((atomic_unchecked_t *)NULL);
-+ (void)atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL);
-+ atomic_inc_return_unchecked((atomic_unchecked_t *)NULL);
-+ atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL);
-+ atomic_dec_unchecked((atomic_unchecked_t *)NULL);
-+ atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0);
-+ (void)atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0);
-+#ifdef CONFIG_X86
-+ atomic_clear_mask_unchecked(0, NULL);
-+ atomic_set_mask_unchecked(0, NULL);
-+#endif
-+
-+ atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL);
-+ atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0);
-+ atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL);
-+ atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL);
-+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL);
-+ atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL);
-+ atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL);
-+}
-+#else
-+#define atomic_read_unchecked(v) atomic_read(v)
-+#define atomic_set_unchecked(v, i) atomic_set((v), (i))
-+#define atomic_add_unchecked(i, v) atomic_add((i), (v))
-+#define atomic_sub_unchecked(i, v) atomic_sub((i), (v))
-+#define atomic_inc_unchecked(v) atomic_inc(v)
-+#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v)
-+#define atomic_inc_return_unchecked(v) atomic_inc_return(v)
-+#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v))
-+#define atomic_dec_unchecked(v) atomic_dec(v)
-+#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n))
-+#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i))
-+#define atomic_clear_mask_unchecked(mask, v) atomic_clear_mask((mask), (v))
-+#define atomic_set_mask_unchecked(mask, v) atomic_set_mask((mask), (v))
-+
-+#define atomic_long_read_unchecked(v) atomic_long_read(v)
-+#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i))
-+#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v))
-+#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v))
-+#define atomic_long_inc_unchecked(v) atomic_long_inc(v)
-+#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v)
-+#define atomic_long_dec_unchecked(v) atomic_long_dec(v)
-+#endif
-+
- #endif /* _ASM_GENERIC_ATOMIC_LONG_H */
-diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
-index 1ced641..c896ee8 100644
---- a/include/asm-generic/atomic.h
-+++ b/include/asm-generic/atomic.h
-@@ -159,7 +159,7 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
- * Atomically clears the bits set in @mask from @v
- */
- #ifndef atomic_clear_mask
--static inline void atomic_clear_mask(unsigned long mask, atomic_t *v)
-+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
- {
- unsigned long flags;
-
-diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
-index b18ce4f..2ee2843 100644
---- a/include/asm-generic/atomic64.h
-+++ b/include/asm-generic/atomic64.h
-@@ -16,6 +16,8 @@ typedef struct {
- long long counter;
- } atomic64_t;
-
-+typedef atomic64_t atomic64_unchecked_t;
-+
- #define ATOMIC64_INIT(i) { (i) }
-
- extern long long atomic64_read(const atomic64_t *v);
-@@ -39,4 +41,14 @@ extern int atomic64_add_unless(atomic64_t *v, long long a, long long u);
- #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
- #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
-
-+#define atomic64_read_unchecked(v) atomic64_read(v)
-+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
-+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
-+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
-+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
-+#define atomic64_inc_unchecked(v) atomic64_inc(v)
-+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
-+#define atomic64_dec_unchecked(v) atomic64_dec(v)
-+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
-+
- #endif /* _ASM_GENERIC_ATOMIC64_H */
-diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h
-index 1bfcfe5..e04c5c9 100644
---- a/include/asm-generic/cache.h
-+++ b/include/asm-generic/cache.h
-@@ -6,7 +6,7 @@
- * cache lines need to provide their own cache.h.
- */
-
--#define L1_CACHE_SHIFT 5
--#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-+#define L1_CACHE_SHIFT 5UL
-+#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT)
-
- #endif /* __ASM_GENERIC_CACHE_H */
-diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h
-index 0d68a1e..b74a761 100644
---- a/include/asm-generic/emergency-restart.h
-+++ b/include/asm-generic/emergency-restart.h
-@@ -1,7 +1,7 @@
- #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H
- #define _ASM_GENERIC_EMERGENCY_RESTART_H
-
--static inline void machine_emergency_restart(void)
-+static inline __noreturn void machine_emergency_restart(void)
- {
- machine_restart(NULL);
- }
-diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
-index 0232ccb..13d9165 100644
---- a/include/asm-generic/kmap_types.h
-+++ b/include/asm-generic/kmap_types.h
-@@ -29,10 +29,11 @@ KMAP_D(16) KM_IRQ_PTE,
- KMAP_D(17) KM_NMI,
- KMAP_D(18) KM_NMI_PTE,
- KMAP_D(19) KM_KDB,
-+KMAP_D(20) KM_CLEARPAGE,
- /*
- * Remember to update debug_kmap_atomic() when adding new kmap types!
- */
--KMAP_D(20) KM_TYPE_NR
-+KMAP_D(21) KM_TYPE_NR
- };
-
- #undef KMAP_D
-diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
-index 9ceb03b..2efbcbd 100644
---- a/include/asm-generic/local.h
-+++ b/include/asm-generic/local.h
-@@ -39,6 +39,7 @@ typedef struct
- #define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
- #define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a))
- #define local_inc_return(l) atomic_long_inc_return(&(l)->a)
-+#define local_dec_return(l) atomic_long_dec_return(&(l)->a)
-
- #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
- #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
-diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
-index 725612b..9cc513a 100644
---- a/include/asm-generic/pgtable-nopmd.h
-+++ b/include/asm-generic/pgtable-nopmd.h
-@@ -1,14 +1,19 @@
- #ifndef _PGTABLE_NOPMD_H
- #define _PGTABLE_NOPMD_H
-
--#ifndef __ASSEMBLY__
--
- #include <asm-generic/pgtable-nopud.h>
-
--struct mm_struct;
--
- #define __PAGETABLE_PMD_FOLDED
-
-+#define PMD_SHIFT PUD_SHIFT
-+#define PTRS_PER_PMD 1
-+#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT)
-+#define PMD_MASK (~(PMD_SIZE-1))
-+
-+#ifndef __ASSEMBLY__
-+
-+struct mm_struct;
-+
- /*
- * Having the pmd type consist of a pud gets the size right, and allows
- * us to conceptually access the pud entry that this pmd is folded into
-@@ -16,11 +21,6 @@ struct mm_struct;
- */
- typedef struct { pud_t pud; } pmd_t;
-
--#define PMD_SHIFT PUD_SHIFT
--#define PTRS_PER_PMD 1
--#define PMD_SIZE (1UL << PMD_SHIFT)
--#define PMD_MASK (~(PMD_SIZE-1))
--
- /*
- * The "pud_xxx()" functions here are trivial for a folded two-level
- * setup: the pmd is never bad, and a pmd always exists (as it's folded
-diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
-index 810431d..0ec4804f 100644
---- a/include/asm-generic/pgtable-nopud.h
-+++ b/include/asm-generic/pgtable-nopud.h
-@@ -1,10 +1,15 @@
- #ifndef _PGTABLE_NOPUD_H
- #define _PGTABLE_NOPUD_H
-
--#ifndef __ASSEMBLY__
--
- #define __PAGETABLE_PUD_FOLDED
-
-+#define PUD_SHIFT PGDIR_SHIFT
-+#define PTRS_PER_PUD 1
-+#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT)
-+#define PUD_MASK (~(PUD_SIZE-1))
-+
-+#ifndef __ASSEMBLY__
-+
- /*
- * Having the pud type consist of a pgd gets the size right, and allows
- * us to conceptually access the pgd entry that this pud is folded into
-@@ -12,11 +17,6 @@
- */
- typedef struct { pgd_t pgd; } pud_t;
-
--#define PUD_SHIFT PGDIR_SHIFT
--#define PTRS_PER_PUD 1
--#define PUD_SIZE (1UL << PUD_SHIFT)
--#define PUD_MASK (~(PUD_SIZE-1))
--
- /*
- * The "pgd_xxx()" functions here are trivial for a folded two-level
- * setup: the pud is never bad, and a pud always exists (as it's folded
-@@ -29,6 +29,7 @@ static inline void pgd_clear(pgd_t *pgd) { }
- #define pud_ERROR(pud) (pgd_ERROR((pud).pgd))
-
- #define pgd_populate(mm, pgd, pud) do { } while (0)
-+#define pgd_populate_kernel(mm, pgd, pud) do { } while (0)
- /*
- * (puds are folded into pgds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
-diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
-index ff4947b..f48183f 100644
---- a/include/asm-generic/pgtable.h
-+++ b/include/asm-generic/pgtable.h
-@@ -530,6 +530,14 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
- #endif
- }
-
-+#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL
-+static inline unsigned long pax_open_kernel(void) { return 0; }
-+#endif
-+
-+#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL
-+static inline unsigned long pax_close_kernel(void) { return 0; }
-+#endif
-+
- #endif /* CONFIG_MMU */
-
- #endif /* !__ASSEMBLY__ */
-diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
-index 4e2e1cc..12c266b 100644
---- a/include/asm-generic/vmlinux.lds.h
-+++ b/include/asm-generic/vmlinux.lds.h
-@@ -218,6 +218,7 @@
- .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start_rodata) = .; \
- *(.rodata) *(.rodata.*) \
-+ *(.data..read_only) \
- *(__vermagic) /* Kernel version magic */ \
- . = ALIGN(8); \
- VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \
-@@ -716,17 +717,18 @@
- * section in the linker script will go there too. @phdr should have
- * a leading colon.
- *
-- * Note that this macros defines __per_cpu_load as an absolute symbol.
-+ * Note that this macros defines per_cpu_load as an absolute symbol.
- * If there is no need to put the percpu section at a predetermined
- * address, use PERCPU_SECTION.
- */
- #define PERCPU_VADDR(cacheline, vaddr, phdr) \
-- VMLINUX_SYMBOL(__per_cpu_load) = .; \
-- .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \
-+ per_cpu_load = .; \
-+ .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \
- - LOAD_OFFSET) { \
-+ VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \
- PERCPU_INPUT(cacheline) \
- } phdr \
-- . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
-+ . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu);
-
- /**
- * PERCPU_SECTION - define output section for percpu area, simple version
-diff --git a/include/drm/drmP.h b/include/drm/drmP.h
-index 31ad880..4e79884 100644
---- a/include/drm/drmP.h
-+++ b/include/drm/drmP.h
-@@ -72,6 +72,7 @@
- #include <linux/workqueue.h>
- #include <linux/poll.h>
- #include <asm/pgalloc.h>
-+#include <asm/local.h>
- #include "drm.h"
-
- #include <linux/idr.h>
-@@ -1074,7 +1075,7 @@ struct drm_device {
-
- /** \name Usage Counters */
- /*@{ */
-- int open_count; /**< Outstanding files open */
-+ local_t open_count; /**< Outstanding files open */
- atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
- atomic_t vma_count; /**< Outstanding vma areas open */
- int buf_use; /**< Buffers in use -- cannot alloc */
-@@ -1085,7 +1086,7 @@ struct drm_device {
- /*@{ */
- unsigned long counters;
- enum drm_stat_type types[15];
-- atomic_t counts[15];
-+ atomic_unchecked_t counts[15];
- /*@} */
-
- struct list_head filelist;
-diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
-index 7988e55..ec974c9 100644
---- a/include/drm/drm_crtc_helper.h
-+++ b/include/drm/drm_crtc_helper.h
-@@ -81,7 +81,7 @@ struct drm_crtc_helper_funcs {
-
- /* disable crtc when not in use - more explicit than dpms off */
- void (*disable)(struct drm_crtc *crtc);
--};
-+} __no_const;
-
- /**
- * drm_encoder_helper_funcs - helper operations for encoders
-@@ -109,7 +109,7 @@ struct drm_encoder_helper_funcs {
- struct drm_connector *connector);
- /* disable encoder when not in use - more explicit than dpms off */
- void (*disable)(struct drm_encoder *encoder);
--};
-+} __no_const;
-
- /**
- * drm_connector_helper_funcs - helper operations for connectors
-diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
-index d6d1da4..fdd1ac5 100644
---- a/include/drm/ttm/ttm_memory.h
-+++ b/include/drm/ttm/ttm_memory.h
-@@ -48,7 +48,7 @@
-
- struct ttm_mem_shrink {
- int (*do_shrink) (struct ttm_mem_shrink *);
--};
-+} __no_const;
-
- /**
- * struct ttm_mem_global - Global memory accounting structure.
-diff --git a/include/linux/a.out.h b/include/linux/a.out.h
-index e86dfca..40cc55f 100644
---- a/include/linux/a.out.h
-+++ b/include/linux/a.out.h
-@@ -39,6 +39,14 @@ enum machine_type {
- M_MIPS2 = 152 /* MIPS R6000/R4000 binary */
- };
-
-+/* Constants for the N_FLAGS field */
-+#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
-+#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */
-+#define F_PAX_MPROTECT 4 /* Restrict mprotect() */
-+#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */
-+/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
-+#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
-+
- #if !defined (N_MAGIC)
- #define N_MAGIC(exec) ((exec).a_info & 0xffff)
- #endif
-diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
-index 06fd4bb..1caec0d 100644
---- a/include/linux/atmdev.h
-+++ b/include/linux/atmdev.h
-@@ -237,7 +237,7 @@ struct compat_atm_iobuf {
- #endif
-
- struct k_atm_aal_stats {
--#define __HANDLE_ITEM(i) atomic_t i
-+#define __HANDLE_ITEM(i) atomic_unchecked_t i
- __AAL_STAT_ITEMS
- #undef __HANDLE_ITEM
- };
-diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
-index 366422b..1fa7f84 100644
---- a/include/linux/binfmts.h
-+++ b/include/linux/binfmts.h
-@@ -89,6 +89,7 @@ struct linux_binfmt {
- int (*load_binary)(struct linux_binprm *, struct pt_regs * regs);
- int (*load_shlib)(struct file *);
- int (*core_dump)(struct coredump_params *cprm);
-+ void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags);
- unsigned long min_coredump; /* minimal dump size */
- };
-
-diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
-index 07954b0..cb2ae71 100644
---- a/include/linux/blkdev.h
-+++ b/include/linux/blkdev.h
-@@ -1393,7 +1393,7 @@ struct block_device_operations {
- /* this callback is with swap_lock and sometimes page table lock held */
- void (*swap_slot_free_notify) (struct block_device *, unsigned long);
- struct module *owner;
--};
-+} __do_const;
-
- extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
- unsigned long);
-diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
-index 4d1a074..88f929a 100644
---- a/include/linux/blktrace_api.h
-+++ b/include/linux/blktrace_api.h
-@@ -162,7 +162,7 @@ struct blk_trace {
- struct dentry *dir;
- struct dentry *dropped_file;
- struct dentry *msg_file;
-- atomic_t dropped;
-+ atomic_unchecked_t dropped;
- };
-
- extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
-diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
-index 83195fb..0b0f77d 100644
---- a/include/linux/byteorder/little_endian.h
-+++ b/include/linux/byteorder/little_endian.h
-@@ -42,51 +42,51 @@
-
- static inline __le64 __cpu_to_le64p(const __u64 *p)
- {
-- return (__force __le64)*p;
-+ return (__force const __le64)*p;
- }
- static inline __u64 __le64_to_cpup(const __le64 *p)
- {
-- return (__force __u64)*p;
-+ return (__force const __u64)*p;
- }
- static inline __le32 __cpu_to_le32p(const __u32 *p)
- {
-- return (__force __le32)*p;
-+ return (__force const __le32)*p;
- }
- static inline __u32 __le32_to_cpup(const __le32 *p)
- {
-- return (__force __u32)*p;
-+ return (__force const __u32)*p;
- }
- static inline __le16 __cpu_to_le16p(const __u16 *p)
- {
-- return (__force __le16)*p;
-+ return (__force const __le16)*p;
- }
- static inline __u16 __le16_to_cpup(const __le16 *p)
- {
-- return (__force __u16)*p;
-+ return (__force const __u16)*p;
- }
- static inline __be64 __cpu_to_be64p(const __u64 *p)
- {
-- return (__force __be64)__swab64p(p);
-+ return (__force const __be64)__swab64p(p);
- }
- static inline __u64 __be64_to_cpup(const __be64 *p)
- {
-- return __swab64p((__u64 *)p);
-+ return __swab64p((const __u64 *)p);
- }
- static inline __be32 __cpu_to_be32p(const __u32 *p)
- {
-- return (__force __be32)__swab32p(p);
-+ return (__force const __be32)__swab32p(p);
- }
- static inline __u32 __be32_to_cpup(const __be32 *p)
- {
-- return __swab32p((__u32 *)p);
-+ return __swab32p((const __u32 *)p);
- }
- static inline __be16 __cpu_to_be16p(const __u16 *p)
- {
-- return (__force __be16)__swab16p(p);
-+ return (__force const __be16)__swab16p(p);
- }
- static inline __u16 __be16_to_cpup(const __be16 *p)
- {
-- return __swab16p((__u16 *)p);
-+ return __swab16p((const __u16 *)p);
- }
- #define __cpu_to_le64s(x) do { (void)(x); } while (0)
- #define __le64_to_cpus(x) do { (void)(x); } while (0)
-diff --git a/include/linux/cache.h b/include/linux/cache.h
-index 4c57065..4307975 100644
---- a/include/linux/cache.h
-+++ b/include/linux/cache.h
-@@ -16,6 +16,10 @@
- #define __read_mostly
- #endif
-
-+#ifndef __read_only
-+#define __read_only __read_mostly
-+#endif
-+
- #ifndef ____cacheline_aligned
- #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
- #endif
-diff --git a/include/linux/capability.h b/include/linux/capability.h
-index d10b7ed..0288b79 100644
---- a/include/linux/capability.h
-+++ b/include/linux/capability.h
-@@ -553,10 +553,15 @@ extern bool capable(int cap);
- extern bool ns_capable(struct user_namespace *ns, int cap);
- extern bool nsown_capable(int cap);
- extern bool inode_capable(const struct inode *inode, int cap);
-+extern bool capable_nolog(int cap);
-+extern bool ns_capable_nolog(struct user_namespace *ns, int cap);
-+extern bool inode_capable_nolog(const struct inode *inode, int cap);
-
- /* audit system wants to get cap info from files as well */
- extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
-
-+extern int is_privileged_binary(const struct dentry *dentry);
-+
- #endif /* __KERNEL__ */
-
- #endif /* !_LINUX_CAPABILITY_H */
-diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
-index 42e55de..1cd0e66 100644
---- a/include/linux/cleancache.h
-+++ b/include/linux/cleancache.h
-@@ -31,7 +31,7 @@ struct cleancache_ops {
- void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);
- void (*invalidate_inode)(int, struct cleancache_filekey);
- void (*invalidate_fs)(int);
--};
-+} __no_const;
-
- extern struct cleancache_ops
- cleancache_register_ops(struct cleancache_ops *ops);
-diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
-index 4a0b483..f1f70ba 100644
---- a/include/linux/clk-provider.h
-+++ b/include/linux/clk-provider.h
-@@ -110,6 +110,7 @@ struct clk_ops {
- unsigned long);
- void (*init)(struct clk_hw *hw);
- };
-+typedef struct clk_ops __no_const clk_ops_no_const;
-
- /**
- * struct clk_init_data - holds init data that's common to all clocks and is
-diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
-index 2f40791..9c9e13c 100644
---- a/include/linux/compiler-gcc4.h
-+++ b/include/linux/compiler-gcc4.h
-@@ -32,6 +32,20 @@
- #define __linktime_error(message) __attribute__((__error__(message)))
-
- #if __GNUC_MINOR__ >= 5
-+
-+#ifdef CONSTIFY_PLUGIN
-+#define __no_const __attribute__((no_const))
-+#define __do_const __attribute__((do_const))
-+#endif
-+
-+#ifdef SIZE_OVERFLOW_PLUGIN
-+#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__)))
-+#endif
-+
-+#ifdef LATENT_ENTROPY_PLUGIN
-+#define __latent_entropy __attribute__((latent_entropy))
-+#endif
-+
- /*
- * Mark a position in code as unreachable. This can be used to
- * suppress control flow warnings after asm blocks that transfer
-@@ -47,6 +61,11 @@
- #define __noclone __attribute__((__noclone__))
-
- #endif
-+
-+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__)))
-+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg))
-+#define __bos0(ptr) __bos((ptr), 0)
-+#define __bos1(ptr) __bos((ptr), 1)
- #endif
-
- #if __GNUC_MINOR__ > 0
-diff --git a/include/linux/compiler.h b/include/linux/compiler.h
-index 923d093..1fef491 100644
---- a/include/linux/compiler.h
-+++ b/include/linux/compiler.h
-@@ -5,31 +5,62 @@
-
- #ifdef __CHECKER__
- # define __user __attribute__((noderef, address_space(1)))
-+# define __force_user __force __user
- # define __kernel __attribute__((address_space(0)))
-+# define __force_kernel __force __kernel
- # define __safe __attribute__((safe))
- # define __force __attribute__((force))
- # define __nocast __attribute__((nocast))
- # define __iomem __attribute__((noderef, address_space(2)))
-+# define __force_iomem __force __iomem
- # define __acquires(x) __attribute__((context(x,0,1)))
- # define __releases(x) __attribute__((context(x,1,0)))
- # define __acquire(x) __context__(x,1)
- # define __release(x) __context__(x,-1)
- # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
- # define __percpu __attribute__((noderef, address_space(3)))
-+# define __force_percpu __force __percpu
- #ifdef CONFIG_SPARSE_RCU_POINTER
- # define __rcu __attribute__((noderef, address_space(4)))
-+# define __force_rcu __force __rcu
- #else
- # define __rcu
-+# define __force_rcu
- #endif
- extern void __chk_user_ptr(const volatile void __user *);
- extern void __chk_io_ptr(const volatile void __iomem *);
-+#elif defined(CHECKER_PLUGIN)
-+//# define __user
-+//# define __force_user
-+//# define __kernel
-+//# define __force_kernel
-+# define __safe
-+# define __force
-+# define __nocast
-+# define __iomem
-+# define __force_iomem
-+# define __chk_user_ptr(x) (void)0
-+# define __chk_io_ptr(x) (void)0
-+# define __builtin_warning(x, y...) (1)
-+# define __acquires(x)
-+# define __releases(x)
-+# define __acquire(x) (void)0
-+# define __release(x) (void)0
-+# define __cond_lock(x,c) (c)
-+# define __percpu
-+# define __force_percpu
-+# define __rcu
-+# define __force_rcu
- #else
- # define __user
-+# define __force_user
- # define __kernel
-+# define __force_kernel
- # define __safe
- # define __force
- # define __nocast
- # define __iomem
-+# define __force_iomem
- # define __chk_user_ptr(x) (void)0
- # define __chk_io_ptr(x) (void)0
- # define __builtin_warning(x, y...) (1)
-@@ -39,7 +70,9 @@ extern void __chk_io_ptr(const volatile void __iomem *);
- # define __release(x) (void)0
- # define __cond_lock(x,c) (c)
- # define __percpu
-+# define __force_percpu
- # define __rcu
-+# define __force_rcu
- #endif
-
- #ifdef __KERNEL__
-@@ -264,6 +297,22 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
- # define __attribute_const__ /* unimplemented */
- #endif
-
-+#ifndef __no_const
-+# define __no_const
-+#endif
-+
-+#ifndef __do_const
-+# define __do_const
-+#endif
-+
-+#ifndef __size_overflow
-+# define __size_overflow(...)
-+#endif
-+
-+#ifndef __latent_entropy
-+# define __latent_entropy
-+#endif
-+
- /*
- * Tell gcc if a function is cold. The compiler will assume any path
- * directly leading to the call is unlikely.
-@@ -273,6 +322,22 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
- #define __cold
- #endif
-
-+#ifndef __alloc_size
-+#define __alloc_size(...)
-+#endif
-+
-+#ifndef __bos
-+#define __bos(ptr, arg)
-+#endif
-+
-+#ifndef __bos0
-+#define __bos0(ptr)
-+#endif
-+
-+#ifndef __bos1
-+#define __bos1(ptr)
-+#endif
-+
- /* Simple shorthand for a section definition */
- #ifndef __section
- # define __section(S) __attribute__ ((__section__(#S)))
-@@ -308,6 +373,7 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
- * use is to mediate communication between process-level code and irq/NMI
- * handlers, all running on the same CPU.
- */
--#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
-+#define ACCESS_ONCE(x) (*(volatile const typeof(x) *)&(x))
-+#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x))
-
- #endif /* __LINUX_COMPILER_H */
-diff --git a/include/linux/cred.h b/include/linux/cred.h
-index ebbed2c..908cc2c 100644
---- a/include/linux/cred.h
-+++ b/include/linux/cred.h
-@@ -208,6 +208,9 @@ static inline void validate_creds_for_do_exit(struct task_struct *tsk)
- static inline void validate_process_creds(void)
- {
- }
-+static inline void validate_task_creds(struct task_struct *task)
-+{
-+}
- #endif
-
- /**
-diff --git a/include/linux/crypto.h b/include/linux/crypto.h
-index b92eadf..b4ecdc1 100644
---- a/include/linux/crypto.h
-+++ b/include/linux/crypto.h
-@@ -373,7 +373,7 @@ struct cipher_tfm {
- const u8 *key, unsigned int keylen);
- void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
- void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
--};
-+} __no_const;
-
- struct hash_tfm {
- int (*init)(struct hash_desc *desc);
-@@ -394,13 +394,13 @@ struct compress_tfm {
- int (*cot_decompress)(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen);
--};
-+} __no_const;
-
- struct rng_tfm {
- int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
- unsigned int dlen);
- int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
--};
-+} __no_const;
-
- #define crt_ablkcipher crt_u.ablkcipher
- #define crt_aead crt_u.aead
-diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
-index 7925bf0..d5143d2 100644
---- a/include/linux/decompress/mm.h
-+++ b/include/linux/decompress/mm.h
-@@ -77,7 +77,7 @@ static void free(void *where)
- * warnings when not needed (indeed large_malloc / large_free are not
- * needed by inflate */
-
--#define malloc(a) kmalloc(a, GFP_KERNEL)
-+#define malloc(a) kmalloc((a), GFP_KERNEL)
- #define free(a) kfree(a)
-
- #define large_malloc(a) vmalloc(a)
-diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
-index dfc099e..e583e66 100644
---- a/include/linux/dma-mapping.h
-+++ b/include/linux/dma-mapping.h
-@@ -51,7 +51,7 @@ struct dma_map_ops {
- u64 (*get_required_mask)(struct device *dev);
- #endif
- int is_phys;
--};
-+} __do_const;
-
- #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
-
-diff --git a/include/linux/efi.h b/include/linux/efi.h
-index ec45ccd..9923c32 100644
---- a/include/linux/efi.h
-+++ b/include/linux/efi.h
-@@ -635,7 +635,7 @@ struct efivar_operations {
- efi_get_variable_t *get_variable;
- efi_get_next_variable_t *get_next_variable;
- efi_set_variable_t *set_variable;
--};
-+} __no_const;
-
- struct efivars {
- /*
-diff --git a/include/linux/elf.h b/include/linux/elf.h
-index 999b4f5..57753b4 100644
---- a/include/linux/elf.h
-+++ b/include/linux/elf.h
-@@ -40,6 +40,17 @@ typedef __s64 Elf64_Sxword;
- #define PT_GNU_EH_FRAME 0x6474e550
-
- #define PT_GNU_STACK (PT_LOOS + 0x474e551)
-+#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
-+
-+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580)
-+
-+/* Constants for the e_flags field */
-+#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
-+#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */
-+#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */
-+#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */
-+/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
-+#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
-
- /*
- * Extended Numbering
-@@ -97,6 +108,8 @@ typedef __s64 Elf64_Sxword;
- #define DT_DEBUG 21
- #define DT_TEXTREL 22
- #define DT_JMPREL 23
-+#define DT_FLAGS 30
-+ #define DF_TEXTREL 0x00000004
- #define DT_ENCODING 32
- #define OLD_DT_LOOS 0x60000000
- #define DT_LOOS 0x6000000d
-@@ -243,6 +256,19 @@ typedef struct elf64_hdr {
- #define PF_W 0x2
- #define PF_X 0x1
-
-+#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */
-+#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */
-+#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */
-+#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */
-+#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */
-+#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */
-+/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */
-+/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */
-+#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */
-+#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */
-+#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */
-+#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */
-+
- typedef struct elf32_phdr{
- Elf32_Word p_type;
- Elf32_Off p_offset;
-@@ -335,6 +361,8 @@ typedef struct elf64_shdr {
- #define EI_OSABI 7
- #define EI_PAD 8
-
-+#define EI_PAX 14
-+
- #define ELFMAG0 0x7f /* EI_MAG */
- #define ELFMAG1 'E'
- #define ELFMAG2 'L'
-@@ -421,6 +449,7 @@ extern Elf32_Dyn _DYNAMIC [];
- #define elf_note elf32_note
- #define elf_addr_t Elf32_Off
- #define Elf_Half Elf32_Half
-+#define elf_dyn Elf32_Dyn
-
- #else
-
-@@ -431,6 +460,7 @@ extern Elf64_Dyn _DYNAMIC [];
- #define elf_note elf64_note
- #define elf_addr_t Elf64_Off
- #define Elf_Half Elf64_Half
-+#define elf_dyn Elf64_Dyn
-
- #endif
-
-diff --git a/include/linux/filter.h b/include/linux/filter.h
-index 82b0135..917914d 100644
---- a/include/linux/filter.h
-+++ b/include/linux/filter.h
-@@ -146,6 +146,7 @@ struct compat_sock_fprog {
-
- struct sk_buff;
- struct sock;
-+struct bpf_jit_work;
-
- struct sk_filter
- {
-@@ -153,6 +154,9 @@ struct sk_filter
- unsigned int len; /* Number of filter blocks */
- unsigned int (*bpf_func)(const struct sk_buff *skb,
- const struct sock_filter *filter);
-+#ifdef CONFIG_BPF_JIT
-+ struct bpf_jit_work *work;
-+#endif
- struct rcu_head rcu;
- struct sock_filter insns[0];
- };
-diff --git a/include/linux/firewire.h b/include/linux/firewire.h
-index 7edcf10..714d5e8 100644
---- a/include/linux/firewire.h
-+++ b/include/linux/firewire.h
-@@ -430,7 +430,7 @@ struct fw_iso_context {
- union {
- fw_iso_callback_t sc;
- fw_iso_mc_callback_t mc;
-- } callback;
-+ } __no_const callback;
- void *callback_data;
- };
-
-diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
-index 0e4e2ee..4ff4312 100644
---- a/include/linux/frontswap.h
-+++ b/include/linux/frontswap.h
-@@ -11,7 +11,7 @@ struct frontswap_ops {
- int (*load)(unsigned, pgoff_t, struct page *);
- void (*invalidate_page)(unsigned, pgoff_t);
- void (*invalidate_area)(unsigned);
--};
-+} __no_const;
-
- extern bool frontswap_enabled;
- extern struct frontswap_ops
-diff --git a/include/linux/fs.h b/include/linux/fs.h
-index 17fd887..8eebca0 100644
---- a/include/linux/fs.h
-+++ b/include/linux/fs.h
-@@ -1663,7 +1663,8 @@ struct file_operations {
- int (*setlease)(struct file *, long, struct file_lock **);
- long (*fallocate)(struct file *file, int mode, loff_t offset,
- loff_t len);
--};
-+} __do_const;
-+typedef struct file_operations __no_const file_operations_no_const;
-
- struct inode_operations {
- struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *);
-diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
-index 003dc0f..3c4ea97 100644
---- a/include/linux/fs_struct.h
-+++ b/include/linux/fs_struct.h
-@@ -6,7 +6,7 @@
- #include <linux/seqlock.h>
-
- struct fs_struct {
-- int users;
-+ atomic_t users;
- spinlock_t lock;
- seqcount_t seq;
- int umask;
-diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
-index ce31408..b1ad003 100644
---- a/include/linux/fscache-cache.h
-+++ b/include/linux/fscache-cache.h
-@@ -102,7 +102,7 @@ struct fscache_operation {
- fscache_operation_release_t release;
- };
-
--extern atomic_t fscache_op_debug_id;
-+extern atomic_unchecked_t fscache_op_debug_id;
- extern void fscache_op_work_func(struct work_struct *work);
-
- extern void fscache_enqueue_operation(struct fscache_operation *);
-@@ -122,7 +122,7 @@ static inline void fscache_operation_init(struct fscache_operation *op,
- {
- INIT_WORK(&op->work, fscache_op_work_func);
- atomic_set(&op->usage, 1);
-- op->debug_id = atomic_inc_return(&fscache_op_debug_id);
-+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
- op->processor = processor;
- op->release = release;
- INIT_LIST_HEAD(&op->pend_link);
-diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
-index a6dfe69..569586df 100644
---- a/include/linux/fsnotify.h
-+++ b/include/linux/fsnotify.h
-@@ -315,7 +315,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
- */
- static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name)
- {
-- return kstrdup(name, GFP_KERNEL);
-+ return (const unsigned char *)kstrdup((const char *)name, GFP_KERNEL);
- }
-
- /*
-diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
-index 63d966d..cdcb717 100644
---- a/include/linux/fsnotify_backend.h
-+++ b/include/linux/fsnotify_backend.h
-@@ -105,6 +105,7 @@ struct fsnotify_ops {
- void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
- void (*free_event_priv)(struct fsnotify_event_private_data *priv);
- };
-+typedef struct fsnotify_ops __no_const fsnotify_ops_no_const;
-
- /*
- * A group is a "thing" that wants to receive notification about filesystem
-diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
-index 176a939..1462211 100644
---- a/include/linux/ftrace_event.h
-+++ b/include/linux/ftrace_event.h
-@@ -97,7 +97,7 @@ struct trace_event_functions {
- trace_print_func raw;
- trace_print_func hex;
- trace_print_func binary;
--};
-+} __no_const;
-
- struct trace_event {
- struct hlist_node node;
-@@ -263,7 +263,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
- extern int trace_add_event_call(struct ftrace_event_call *call);
- extern void trace_remove_event_call(struct ftrace_event_call *call);
-
--#define is_signed_type(type) (((type)(-1)) < 0)
-+#define is_signed_type(type) (((type)(-1)) < (type)1)
-
- int trace_set_clr_event(const char *system, const char *event, int set);
-
-diff --git a/include/linux/genhd.h b/include/linux/genhd.h
-index 017a7fb..33a8507 100644
---- a/include/linux/genhd.h
-+++ b/include/linux/genhd.h
-@@ -185,7 +185,7 @@ struct gendisk {
- struct kobject *slave_dir;
-
- struct timer_rand_state *random;
-- atomic_t sync_io; /* RAID */
-+ atomic_unchecked_t sync_io; /* RAID */
- struct disk_events *ev;
- #ifdef CONFIG_BLK_DEV_INTEGRITY
- struct blk_integrity *integrity;
-diff --git a/include/linux/gfp.h b/include/linux/gfp.h
-index 1e49be4..b8a9305 100644
---- a/include/linux/gfp.h
-+++ b/include/linux/gfp.h
-@@ -38,6 +38,12 @@ struct vm_area_struct;
- #define ___GFP_OTHER_NODE 0x800000u
- #define ___GFP_WRITE 0x1000000u
-
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+#define ___GFP_USERCOPY 0x2000000u
-+#else
-+#define ___GFP_USERCOPY 0
-+#endif
-+
- /*
- * GFP bitmasks..
- *
-@@ -87,6 +93,7 @@ struct vm_area_struct;
- #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD)
- #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */
- #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */
-+#define __GFP_USERCOPY ((__force gfp_t)___GFP_USERCOPY)/* Allocator intends to copy page to/from userland */
-
- /*
- * This may seem redundant, but it's a way of annotating false positives vs.
-@@ -94,7 +101,7 @@ struct vm_area_struct;
- */
- #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
-
--#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */
-+#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */
- #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
-
- /* This equals 0, but use constants in case they ever change */
-@@ -148,6 +155,8 @@ struct vm_area_struct;
- /* 4GB DMA on some platforms */
- #define GFP_DMA32 __GFP_DMA32
-
-+#define GFP_USERCOPY __GFP_USERCOPY
-+
- /* Convert GFP flags to their corresponding migrate type */
- static inline int allocflags_to_migratetype(gfp_t gfp_flags)
- {
-diff --git a/include/linux/gracl.h b/include/linux/gracl.h
-new file mode 100644
-index 0000000..c938b1f
---- /dev/null
-+++ b/include/linux/gracl.h
-@@ -0,0 +1,319 @@
-+#ifndef GR_ACL_H
-+#define GR_ACL_H
-+
-+#include <linux/grdefs.h>
-+#include <linux/resource.h>
-+#include <linux/capability.h>
-+#include <linux/dcache.h>
-+#include <asm/resource.h>
-+
-+/* Major status information */
-+
-+#define GR_VERSION "grsecurity 2.9.1"
-+#define GRSECURITY_VERSION 0x2901
-+
-+enum {
-+ GR_SHUTDOWN = 0,
-+ GR_ENABLE = 1,
-+ GR_SPROLE = 2,
-+ GR_RELOAD = 3,
-+ GR_SEGVMOD = 4,
-+ GR_STATUS = 5,
-+ GR_UNSPROLE = 6,
-+ GR_PASSSET = 7,
-+ GR_SPROLEPAM = 8,
-+};
-+
-+/* Password setup definitions
-+ * kernel/grhash.c */
-+enum {
-+ GR_PW_LEN = 128,
-+ GR_SALT_LEN = 16,
-+ GR_SHA_LEN = 32,
-+};
-+
-+enum {
-+ GR_SPROLE_LEN = 64,
-+};
-+
-+enum {
-+ GR_NO_GLOB = 0,
-+ GR_REG_GLOB,
-+ GR_CREATE_GLOB
-+};
-+
-+#define GR_NLIMITS 32
-+
-+/* Begin Data Structures */
-+
-+struct sprole_pw {
-+ unsigned char *rolename;
-+ unsigned char salt[GR_SALT_LEN];
-+ unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */
-+};
-+
-+struct name_entry {
-+ __u32 key;
-+ ino_t inode;
-+ dev_t device;
-+ char *name;
-+ __u16 len;
-+ __u8 deleted;
-+ struct name_entry *prev;
-+ struct name_entry *next;
-+};
-+
-+struct inodev_entry {
-+ struct name_entry *nentry;
-+ struct inodev_entry *prev;
-+ struct inodev_entry *next;
-+};
-+
-+struct acl_role_db {
-+ struct acl_role_label **r_hash;
-+ __u32 r_size;
-+};
-+
-+struct inodev_db {
-+ struct inodev_entry **i_hash;
-+ __u32 i_size;
-+};
-+
-+struct name_db {
-+ struct name_entry **n_hash;
-+ __u32 n_size;
-+};
-+
-+struct crash_uid {
-+ uid_t uid;
-+ unsigned long expires;
-+};
-+
-+struct gr_hash_struct {
-+ void **table;
-+ void **nametable;
-+ void *first;
-+ __u32 table_size;
-+ __u32 used_size;
-+ int type;
-+};
-+
-+/* Userspace Grsecurity ACL data structures */
-+
-+struct acl_subject_label {
-+ char *filename;
-+ ino_t inode;
-+ dev_t device;
-+ __u32 mode;
-+ kernel_cap_t cap_mask;
-+ kernel_cap_t cap_lower;
-+ kernel_cap_t cap_invert_audit;
-+
-+ struct rlimit res[GR_NLIMITS];
-+ __u32 resmask;
-+
-+ __u8 user_trans_type;
-+ __u8 group_trans_type;
-+ uid_t *user_transitions;
-+ gid_t *group_transitions;
-+ __u16 user_trans_num;
-+ __u16 group_trans_num;
-+
-+ __u32 sock_families[2];
-+ __u32 ip_proto[8];
-+ __u32 ip_type;
-+ struct acl_ip_label **ips;
-+ __u32 ip_num;
-+ __u32 inaddr_any_override;
-+
-+ __u32 crashes;
-+ unsigned long expires;
-+
-+ struct acl_subject_label *parent_subject;
-+ struct gr_hash_struct *hash;
-+ struct acl_subject_label *prev;
-+ struct acl_subject_label *next;
-+
-+ struct acl_object_label **obj_hash;
-+ __u32 obj_hash_size;
-+ __u16 pax_flags;
-+};
-+
-+struct role_allowed_ip {
-+ __u32 addr;
-+ __u32 netmask;
-+
-+ struct role_allowed_ip *prev;
-+ struct role_allowed_ip *next;
-+};
-+
-+struct role_transition {
-+ char *rolename;
-+
-+ struct role_transition *prev;
-+ struct role_transition *next;
-+};
-+
-+struct acl_role_label {
-+ char *rolename;
-+ uid_t uidgid;
-+ __u16 roletype;
-+
-+ __u16 auth_attempts;
-+ unsigned long expires;
-+
-+ struct acl_subject_label *root_label;
-+ struct gr_hash_struct *hash;
-+
-+ struct acl_role_label *prev;
-+ struct acl_role_label *next;
-+
-+ struct role_transition *transitions;
-+ struct role_allowed_ip *allowed_ips;
-+ uid_t *domain_children;
-+ __u16 domain_child_num;
-+
-+ umode_t umask;
-+
-+ struct acl_subject_label **subj_hash;
-+ __u32 subj_hash_size;
-+};
-+
-+struct user_acl_role_db {
-+ struct acl_role_label **r_table;
-+ __u32 num_pointers; /* Number of allocations to track */
-+ __u32 num_roles; /* Number of roles */
-+ __u32 num_domain_children; /* Number of domain children */
-+ __u32 num_subjects; /* Number of subjects */
-+ __u32 num_objects; /* Number of objects */
-+};
-+
-+struct acl_object_label {
-+ char *filename;
-+ ino_t inode;
-+ dev_t device;
-+ __u32 mode;
-+
-+ struct acl_subject_label *nested;
-+ struct acl_object_label *globbed;
-+
-+ /* next two structures not used */
-+
-+ struct acl_object_label *prev;
-+ struct acl_object_label *next;
-+};
-+
-+struct acl_ip_label {
-+ char *iface;
-+ __u32 addr;
-+ __u32 netmask;
-+ __u16 low, high;
-+ __u8 mode;
-+ __u32 type;
-+ __u32 proto[8];
-+
-+ /* next two structures not used */
-+
-+ struct acl_ip_label *prev;
-+ struct acl_ip_label *next;
-+};
-+
-+struct gr_arg {
-+ struct user_acl_role_db role_db;
-+ unsigned char pw[GR_PW_LEN];
-+ unsigned char salt[GR_SALT_LEN];
-+ unsigned char sum[GR_SHA_LEN];
-+ unsigned char sp_role[GR_SPROLE_LEN];
-+ struct sprole_pw *sprole_pws;
-+ dev_t segv_device;
-+ ino_t segv_inode;
-+ uid_t segv_uid;
-+ __u16 num_sprole_pws;
-+ __u16 mode;
-+};
-+
-+struct gr_arg_wrapper {
-+ struct gr_arg *arg;
-+ __u32 version;
-+ __u32 size;
-+};
-+
-+struct subject_map {
-+ struct acl_subject_label *user;
-+ struct acl_subject_label *kernel;
-+ struct subject_map *prev;
-+ struct subject_map *next;
-+};
-+
-+struct acl_subj_map_db {
-+ struct subject_map **s_hash;
-+ __u32 s_size;
-+};
-+
-+/* End Data Structures Section */
-+
-+/* Hash functions generated by empirical testing by Brad Spengler
-+ Makes good use of the low bits of the inode. Generally 0-1 times
-+ in loop for successful match. 0-3 for unsuccessful match.
-+ Shift/add algorithm with modulus of table size and an XOR*/
-+
-+static __inline__ unsigned int
-+rhash(const uid_t uid, const __u16 type, const unsigned int sz)
-+{
-+ return ((((uid + type) << (16 + type)) ^ uid) % sz);
-+}
-+
-+ static __inline__ unsigned int
-+shash(const struct acl_subject_label *userp, const unsigned int sz)
-+{
-+ return ((const unsigned long)userp % sz);
-+}
-+
-+static __inline__ unsigned int
-+fhash(const ino_t ino, const dev_t dev, const unsigned int sz)
-+{
-+ return (((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9))) % sz);
-+}
-+
-+static __inline__ unsigned int
-+nhash(const char *name, const __u16 len, const unsigned int sz)
-+{
-+ return full_name_hash((const unsigned char *)name, len) % sz;
-+}
-+
-+#define FOR_EACH_ROLE_START(role) \
-+ role = role_list; \
-+ while (role) {
-+
-+#define FOR_EACH_ROLE_END(role) \
-+ role = role->prev; \
-+ }
-+
-+#define FOR_EACH_SUBJECT_START(role,subj,iter) \
-+ subj = NULL; \
-+ iter = 0; \
-+ while (iter < role->subj_hash_size) { \
-+ if (subj == NULL) \
-+ subj = role->subj_hash[iter]; \
-+ if (subj == NULL) { \
-+ iter++; \
-+ continue; \
-+ }
-+
-+#define FOR_EACH_SUBJECT_END(subj,iter) \
-+ subj = subj->next; \
-+ if (subj == NULL) \
-+ iter++; \
-+ }
-+
-+
-+#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \
-+ subj = role->hash->first; \
-+ while (subj != NULL) {
-+
-+#define FOR_EACH_NESTED_SUBJECT_END(subj) \
-+ subj = subj->next; \
-+ }
-+
-+#endif
-+
-diff --git a/include/linux/gralloc.h b/include/linux/gralloc.h
-new file mode 100644
-index 0000000..323ecf2
---- /dev/null
-+++ b/include/linux/gralloc.h
-@@ -0,0 +1,9 @@
-+#ifndef __GRALLOC_H
-+#define __GRALLOC_H
-+
-+void acl_free_all(void);
-+int acl_alloc_stack_init(unsigned long size);
-+void *acl_alloc(unsigned long len);
-+void *acl_alloc_num(unsigned long num, unsigned long len);
-+
-+#endif
-diff --git a/include/linux/grdefs.h b/include/linux/grdefs.h
-new file mode 100644
-index 0000000..b30e9bc
---- /dev/null
-+++ b/include/linux/grdefs.h
-@@ -0,0 +1,140 @@
-+#ifndef GRDEFS_H
-+#define GRDEFS_H
-+
-+/* Begin grsecurity status declarations */
-+
-+enum {
-+ GR_READY = 0x01,
-+ GR_STATUS_INIT = 0x00 // disabled state
-+};
-+
-+/* Begin ACL declarations */
-+
-+/* Role flags */
-+
-+enum {
-+ GR_ROLE_USER = 0x0001,
-+ GR_ROLE_GROUP = 0x0002,
-+ GR_ROLE_DEFAULT = 0x0004,
-+ GR_ROLE_SPECIAL = 0x0008,
-+ GR_ROLE_AUTH = 0x0010,
-+ GR_ROLE_NOPW = 0x0020,
-+ GR_ROLE_GOD = 0x0040,
-+ GR_ROLE_LEARN = 0x0080,
-+ GR_ROLE_TPE = 0x0100,
-+ GR_ROLE_DOMAIN = 0x0200,
-+ GR_ROLE_PAM = 0x0400,
-+ GR_ROLE_PERSIST = 0x0800
-+};
-+
-+/* ACL Subject and Object mode flags */
-+enum {
-+ GR_DELETED = 0x80000000
-+};
-+
-+/* ACL Object-only mode flags */
-+enum {
-+ GR_READ = 0x00000001,
-+ GR_APPEND = 0x00000002,
-+ GR_WRITE = 0x00000004,
-+ GR_EXEC = 0x00000008,
-+ GR_FIND = 0x00000010,
-+ GR_INHERIT = 0x00000020,
-+ GR_SETID = 0x00000040,
-+ GR_CREATE = 0x00000080,
-+ GR_DELETE = 0x00000100,
-+ GR_LINK = 0x00000200,
-+ GR_AUDIT_READ = 0x00000400,
-+ GR_AUDIT_APPEND = 0x00000800,
-+ GR_AUDIT_WRITE = 0x00001000,
-+ GR_AUDIT_EXEC = 0x00002000,
-+ GR_AUDIT_FIND = 0x00004000,
-+ GR_AUDIT_INHERIT= 0x00008000,
-+ GR_AUDIT_SETID = 0x00010000,
-+ GR_AUDIT_CREATE = 0x00020000,
-+ GR_AUDIT_DELETE = 0x00040000,
-+ GR_AUDIT_LINK = 0x00080000,
-+ GR_PTRACERD = 0x00100000,
-+ GR_NOPTRACE = 0x00200000,
-+ GR_SUPPRESS = 0x00400000,
-+ GR_NOLEARN = 0x00800000,
-+ GR_INIT_TRANSFER= 0x01000000
-+};
-+
-+#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \
-+ GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \
-+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK)
-+
-+/* ACL subject-only mode flags */
-+enum {
-+ GR_KILL = 0x00000001,
-+ GR_VIEW = 0x00000002,
-+ GR_PROTECTED = 0x00000004,
-+ GR_LEARN = 0x00000008,
-+ GR_OVERRIDE = 0x00000010,
-+ /* just a placeholder, this mode is only used in userspace */
-+ GR_DUMMY = 0x00000020,
-+ GR_PROTSHM = 0x00000040,
-+ GR_KILLPROC = 0x00000080,
-+ GR_KILLIPPROC = 0x00000100,
-+ /* just a placeholder, this mode is only used in userspace */
-+ GR_NOTROJAN = 0x00000200,
-+ GR_PROTPROCFD = 0x00000400,
-+ GR_PROCACCT = 0x00000800,
-+ GR_RELAXPTRACE = 0x00001000,
-+ GR_NESTED = 0x00002000,
-+ GR_INHERITLEARN = 0x00004000,
-+ GR_PROCFIND = 0x00008000,
-+ GR_POVERRIDE = 0x00010000,
-+ GR_KERNELAUTH = 0x00020000,
-+ GR_ATSECURE = 0x00040000,
-+ GR_SHMEXEC = 0x00080000
-+};
-+
-+enum {
-+ GR_PAX_ENABLE_SEGMEXEC = 0x0001,
-+ GR_PAX_ENABLE_PAGEEXEC = 0x0002,
-+ GR_PAX_ENABLE_MPROTECT = 0x0004,
-+ GR_PAX_ENABLE_RANDMMAP = 0x0008,
-+ GR_PAX_ENABLE_EMUTRAMP = 0x0010,
-+ GR_PAX_DISABLE_SEGMEXEC = 0x0100,
-+ GR_PAX_DISABLE_PAGEEXEC = 0x0200,
-+ GR_PAX_DISABLE_MPROTECT = 0x0400,
-+ GR_PAX_DISABLE_RANDMMAP = 0x0800,
-+ GR_PAX_DISABLE_EMUTRAMP = 0x1000,
-+};
-+
-+enum {
-+ GR_ID_USER = 0x01,
-+ GR_ID_GROUP = 0x02,
-+};
-+
-+enum {
-+ GR_ID_ALLOW = 0x01,
-+ GR_ID_DENY = 0x02,
-+};
-+
-+#define GR_CRASH_RES 31
-+#define GR_UIDTABLE_MAX 500
-+
-+/* begin resource learning section */
-+enum {
-+ GR_RLIM_CPU_BUMP = 60,
-+ GR_RLIM_FSIZE_BUMP = 50000,
-+ GR_RLIM_DATA_BUMP = 10000,
-+ GR_RLIM_STACK_BUMP = 1000,
-+ GR_RLIM_CORE_BUMP = 10000,
-+ GR_RLIM_RSS_BUMP = 500000,
-+ GR_RLIM_NPROC_BUMP = 1,
-+ GR_RLIM_NOFILE_BUMP = 5,
-+ GR_RLIM_MEMLOCK_BUMP = 50000,
-+ GR_RLIM_AS_BUMP = 500000,
-+ GR_RLIM_LOCKS_BUMP = 2,
-+ GR_RLIM_SIGPENDING_BUMP = 5,
-+ GR_RLIM_MSGQUEUE_BUMP = 10000,
-+ GR_RLIM_NICE_BUMP = 1,
-+ GR_RLIM_RTPRIO_BUMP = 1,
-+ GR_RLIM_RTTIME_BUMP = 1000000
-+};
-+
-+#endif
-diff --git a/include/linux/grinternal.h b/include/linux/grinternal.h
-new file mode 100644
-index 0000000..c9292f7
---- /dev/null
-+++ b/include/linux/grinternal.h
-@@ -0,0 +1,223 @@
-+#ifndef __GRINTERNAL_H
-+#define __GRINTERNAL_H
-+
-+#ifdef CONFIG_GRKERNSEC
-+
-+#include <linux/fs.h>
-+#include <linux/mnt_namespace.h>
-+#include <linux/nsproxy.h>
-+#include <linux/gracl.h>
-+#include <linux/grdefs.h>
-+#include <linux/grmsg.h>
-+
-+void gr_add_learn_entry(const char *fmt, ...)
-+ __attribute__ ((format (printf, 1, 2)));
-+__u32 gr_search_file(const struct dentry *dentry, const __u32 mode,
-+ const struct vfsmount *mnt);
-+__u32 gr_check_create(const struct dentry *new_dentry,
-+ const struct dentry *parent,
-+ const struct vfsmount *mnt, const __u32 mode);
-+int gr_check_protected_task(const struct task_struct *task);
-+__u32 to_gr_audit(const __u32 reqmode);
-+int gr_set_acls(const int type);
-+int gr_apply_subject_to_task(struct task_struct *task);
-+int gr_acl_is_enabled(void);
-+char gr_roletype_to_char(void);
-+
-+void gr_handle_alertkill(struct task_struct *task);
-+char *gr_to_filename(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+char *gr_to_filename1(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+char *gr_to_filename2(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+char *gr_to_filename3(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+
-+extern int grsec_enable_ptrace_readexec;
-+extern int grsec_enable_harden_ptrace;
-+extern int grsec_enable_link;
-+extern int grsec_enable_fifo;
-+extern int grsec_enable_execve;
-+extern int grsec_enable_shm;
-+extern int grsec_enable_execlog;
-+extern int grsec_enable_signal;
-+extern int grsec_enable_audit_ptrace;
-+extern int grsec_enable_forkfail;
-+extern int grsec_enable_time;
-+extern int grsec_enable_rofs;
-+extern int grsec_enable_chroot_shmat;
-+extern int grsec_enable_chroot_mount;
-+extern int grsec_enable_chroot_double;
-+extern int grsec_enable_chroot_pivot;
-+extern int grsec_enable_chroot_chdir;
-+extern int grsec_enable_chroot_chmod;
-+extern int grsec_enable_chroot_mknod;
-+extern int grsec_enable_chroot_fchdir;
-+extern int grsec_enable_chroot_nice;
-+extern int grsec_enable_chroot_execlog;
-+extern int grsec_enable_chroot_caps;
-+extern int grsec_enable_chroot_sysctl;
-+extern int grsec_enable_chroot_unix;
-+extern int grsec_enable_symlinkown;
-+extern int grsec_symlinkown_gid;
-+extern int grsec_enable_tpe;
-+extern int grsec_tpe_gid;
-+extern int grsec_enable_tpe_all;
-+extern int grsec_enable_tpe_invert;
-+extern int grsec_enable_socket_all;
-+extern int grsec_socket_all_gid;
-+extern int grsec_enable_socket_client;
-+extern int grsec_socket_client_gid;
-+extern int grsec_enable_socket_server;
-+extern int grsec_socket_server_gid;
-+extern int grsec_audit_gid;
-+extern int grsec_enable_group;
-+extern int grsec_enable_audit_textrel;
-+extern int grsec_enable_log_rwxmaps;
-+extern int grsec_enable_mount;
-+extern int grsec_enable_chdir;
-+extern int grsec_resource_logging;
-+extern int grsec_enable_blackhole;
-+extern int grsec_lastack_retries;
-+extern int grsec_enable_brute;
-+extern int grsec_lock;
-+
-+extern spinlock_t grsec_alert_lock;
-+extern unsigned long grsec_alert_wtime;
-+extern unsigned long grsec_alert_fyet;
-+
-+extern spinlock_t grsec_audit_lock;
-+
-+extern rwlock_t grsec_exec_file_lock;
-+
-+#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \
-+ gr_to_filename2((tsk)->exec_file->f_path.dentry, \
-+ (tsk)->exec_file->f_vfsmnt) : "/")
-+
-+#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \
-+ gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \
-+ (tsk)->real_parent->exec_file->f_vfsmnt) : "/")
-+
-+#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \
-+ gr_to_filename((tsk)->exec_file->f_path.dentry, \
-+ (tsk)->exec_file->f_vfsmnt) : "/")
-+
-+#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \
-+ gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \
-+ (tsk)->real_parent->exec_file->f_vfsmnt) : "/")
-+
-+#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted)
-+
-+#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry)
-+
-+#define DEFAULTSECARGS(task, cred, pcred) gr_task_fullpath(task), (task)->comm, \
-+ (task)->pid, (cred)->uid, \
-+ (cred)->euid, (cred)->gid, (cred)->egid, \
-+ gr_parent_task_fullpath(task), \
-+ (task)->real_parent->comm, (task)->real_parent->pid, \
-+ (pcred)->uid, (pcred)->euid, \
-+ (pcred)->gid, (pcred)->egid
-+
-+#define GR_CHROOT_CAPS {{ \
-+ CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \
-+ CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \
-+ CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \
-+ CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \
-+ CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \
-+ CAP_TO_MASK(CAP_IPC_OWNER) | CAP_TO_MASK(CAP_SETFCAP), \
-+ CAP_TO_MASK(CAP_SYSLOG) | CAP_TO_MASK(CAP_MAC_ADMIN) }}
-+
-+#define security_learn(normal_msg,args...) \
-+({ \
-+ read_lock(&grsec_exec_file_lock); \
-+ gr_add_learn_entry(normal_msg "\n", ## args); \
-+ read_unlock(&grsec_exec_file_lock); \
-+})
-+
-+enum {
-+ GR_DO_AUDIT,
-+ GR_DONT_AUDIT,
-+ /* used for non-audit messages that we shouldn't kill the task on */
-+ GR_DONT_AUDIT_GOOD
-+};
-+
-+enum {
-+ GR_TTYSNIFF,
-+ GR_RBAC,
-+ GR_RBAC_STR,
-+ GR_STR_RBAC,
-+ GR_RBAC_MODE2,
-+ GR_RBAC_MODE3,
-+ GR_FILENAME,
-+ GR_SYSCTL_HIDDEN,
-+ GR_NOARGS,
-+ GR_ONE_INT,
-+ GR_ONE_INT_TWO_STR,
-+ GR_ONE_STR,
-+ GR_STR_INT,
-+ GR_TWO_STR_INT,
-+ GR_TWO_INT,
-+ GR_TWO_U64,
-+ GR_THREE_INT,
-+ GR_FIVE_INT_TWO_STR,
-+ GR_TWO_STR,
-+ GR_THREE_STR,
-+ GR_FOUR_STR,
-+ GR_STR_FILENAME,
-+ GR_FILENAME_STR,
-+ GR_FILENAME_TWO_INT,
-+ GR_FILENAME_TWO_INT_STR,
-+ GR_TEXTREL,
-+ GR_PTRACE,
-+ GR_RESOURCE,
-+ GR_CAP,
-+ GR_SIG,
-+ GR_SIG2,
-+ GR_CRASH1,
-+ GR_CRASH2,
-+ GR_PSACCT,
-+ GR_RWXMAP
-+};
-+
-+#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str)
-+#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task)
-+#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt)
-+#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str)
-+#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt)
-+#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2)
-+#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3)
-+#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt)
-+#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS)
-+#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num)
-+#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2)
-+#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str)
-+#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num)
-+#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2)
-+#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2)
-+#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3)
-+#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2)
-+#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2)
-+#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num)
-+#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3)
-+#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4)
-+#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt)
-+#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str)
-+#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2)
-+#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str)
-+#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2)
-+#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task)
-+#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2)
-+#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str)
-+#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr)
-+#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num)
-+#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong)
-+#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1)
-+#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9)
-+#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str)
-+
-+void gr_log_varargs(int audit, const char *msg, int argtypes, ...);
-+
-+#endif
-+
-+#endif
-diff --git a/include/linux/grmsg.h b/include/linux/grmsg.h
-new file mode 100644
-index 0000000..54f4e85
---- /dev/null
-+++ b/include/linux/grmsg.h
-@@ -0,0 +1,110 @@
-+#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u"
-+#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u"
-+#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by "
-+#define GR_STOPMOD_MSG "denied modification of module state by "
-+#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by "
-+#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by "
-+#define GR_IOPERM_MSG "denied use of ioperm() by "
-+#define GR_IOPL_MSG "denied use of iopl() by "
-+#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by "
-+#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by "
-+#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by "
-+#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by "
-+#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by "
-+#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4"
-+#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4"
-+#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by "
-+#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by "
-+#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by "
-+#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by "
-+#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by "
-+#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by "
-+#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by "
-+#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against "
-+#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by "
-+#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by "
-+#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by "
-+#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by "
-+#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for "
-+#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by "
-+#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by "
-+#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by "
-+#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by "
-+#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by "
-+#define GR_EXEC_ACL_MSG "%s execution of %.950s by "
-+#define GR_EXEC_TPE_MSG "denied untrusted exec (due to %.70s) of %.950s by "
-+#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds"
-+#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds"
-+#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by "
-+#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by "
-+#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by "
-+#define GR_ATIME_ACL_MSG "%s access time change of %.950s by "
-+#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by "
-+#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by "
-+#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by "
-+#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by "
-+#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by "
-+#define GR_CHOWN_ACL_MSG "%s chown of %.950s by "
-+#define GR_SETXATTR_ACL_MSG "%s setting extended attributes of %.950s by "
-+#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by "
-+#define GR_INITF_ACL_MSG "init_variables() failed %s by "
-+#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader"
-+#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbage by "
-+#define GR_SHUTS_ACL_MSG "shutdown auth success for "
-+#define GR_SHUTF_ACL_MSG "shutdown auth failure for "
-+#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for "
-+#define GR_SEGVMODS_ACL_MSG "segvmod auth success for "
-+#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for "
-+#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for "
-+#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by "
-+#define GR_ENABLEF_ACL_MSG "unable to load %s for "
-+#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system"
-+#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by "
-+#define GR_RELOADF_ACL_MSG "failed reload of %s for "
-+#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for "
-+#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by "
-+#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by "
-+#define GR_SPROLEF_ACL_MSG "special role %s failure for "
-+#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for "
-+#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by "
-+#define GR_INVMODE_ACL_MSG "invalid mode %d by "
-+#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by "
-+#define GR_FAILFORK_MSG "failed fork with errno %s by "
-+#define GR_NICE_CHROOT_MSG "denied priority change by "
-+#define GR_UNISIGLOG_MSG "%.32s occurred at %p in "
-+#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by "
-+#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by "
-+#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by "
-+#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by "
-+#define GR_TIME_MSG "time set by "
-+#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by "
-+#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by "
-+#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by "
-+#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by "
-+#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by "
-+#define GR_BIND_MSG "denied bind() by "
-+#define GR_CONNECT_MSG "denied connect() by "
-+#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by "
-+#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by "
-+#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4"
-+#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process "
-+#define GR_CAP_ACL_MSG "use of %s denied for "
-+#define GR_CAP_CHROOT_MSG "use of %s in chroot denied for "
-+#define GR_CAP_ACL_MSG2 "use of %s permitted for "
-+#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for "
-+#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for "
-+#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by "
-+#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by "
-+#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by "
-+#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by "
-+#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by "
-+#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for "
-+#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by "
-+#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by "
-+#define GR_TEXTREL_AUDIT_MSG "text relocation in %s, VMA:0x%08lx 0x%08lx by "
-+#define GR_VM86_MSG "denied use of vm86 by "
-+#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by "
-+#define GR_PTRACE_READEXEC_MSG "denied ptrace of unreadable binary %.950s by "
-+#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by "
-+#define GR_BADPROCPID_MSG "denied read of sensitive /proc/pid/%s entry via fd passed across exec by "
-+#define GR_SYMLINKOWNER_MSG "denied following symlink %.950s since symlink owner %u does not match target owner %u, by "
-diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h
-new file mode 100644
-index 0000000..38bfb04
---- /dev/null
-+++ b/include/linux/grsecurity.h
-@@ -0,0 +1,233 @@
-+#ifndef GR_SECURITY_H
-+#define GR_SECURITY_H
-+#include <linux/fs.h>
-+#include <linux/fs_struct.h>
-+#include <linux/binfmts.h>
-+#include <linux/gracl.h>
-+
-+/* notify of brain-dead configs */
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) && defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+#error "CONFIG_GRKERNSEC_PROC_USER and CONFIG_GRKERNSEC_PROC_USERGROUP cannot both be enabled."
-+#endif
-+#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC)
-+#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled."
-+#endif
-+#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP)
-+#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled."
-+#endif
-+#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR)
-+#error "CONFIG_PAX enabled, but no PaX options are enabled."
-+#endif
-+
-+#include <linux/compat.h>
-+
-+struct user_arg_ptr {
-+#ifdef CONFIG_COMPAT
-+ bool is_compat;
-+#endif
-+ union {
-+ const char __user *const __user *native;
-+#ifdef CONFIG_COMPAT
-+ compat_uptr_t __user *compat;
-+#endif
-+ } ptr;
-+};
-+
-+void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags);
-+void gr_handle_brute_check(void);
-+void gr_handle_kernel_exploit(void);
-+int gr_process_user_ban(void);
-+
-+char gr_roletype_to_char(void);
-+
-+int gr_acl_enable_at_secure(void);
-+
-+int gr_check_user_change(int real, int effective, int fs);
-+int gr_check_group_change(int real, int effective, int fs);
-+
-+void gr_del_task_from_ip_table(struct task_struct *p);
-+
-+int gr_pid_is_chrooted(struct task_struct *p);
-+int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type);
-+int gr_handle_chroot_nice(void);
-+int gr_handle_chroot_sysctl(const int op);
-+int gr_handle_chroot_setpriority(struct task_struct *p,
-+ const int niceval);
-+int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt);
-+int gr_handle_chroot_chroot(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_handle_chroot_chdir(struct path *path);
-+int gr_handle_chroot_chmod(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const int mode);
-+int gr_handle_chroot_mknod(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const int mode);
-+int gr_handle_chroot_mount(const struct dentry *dentry,
-+ const struct vfsmount *mnt,
-+ const char *dev_name);
-+int gr_handle_chroot_pivot(void);
-+int gr_handle_chroot_unix(const pid_t pid);
-+
-+int gr_handle_rawio(const struct inode *inode);
-+
-+void gr_handle_ioperm(void);
-+void gr_handle_iopl(void);
-+
-+umode_t gr_acl_umask(void);
-+
-+int gr_tpe_allow(const struct file *file);
-+
-+void gr_set_chroot_entries(struct task_struct *task, struct path *path);
-+void gr_clear_chroot_entries(struct task_struct *task);
-+
-+void gr_log_forkfail(const int retval);
-+void gr_log_timechange(void);
-+void gr_log_signal(const int sig, const void *addr, const struct task_struct *t);
-+void gr_log_chdir(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_log_chroot_exec(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv);
-+void gr_log_remount(const char *devname, const int retval);
-+void gr_log_unmount(const char *devname, const int retval);
-+void gr_log_mount(const char *from, const char *to, const int retval);
-+void gr_log_textrel(struct vm_area_struct *vma);
-+void gr_log_rwxmmap(struct file *file);
-+void gr_log_rwxmprotect(struct file *file);
-+
-+int gr_handle_follow_link(const struct inode *parent,
-+ const struct inode *inode,
-+ const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+int gr_handle_fifo(const struct dentry *dentry,
-+ const struct vfsmount *mnt,
-+ const struct dentry *dir, const int flag,
-+ const int acc_mode);
-+int gr_handle_hardlink(const struct dentry *dentry,
-+ const struct vfsmount *mnt,
-+ struct inode *inode,
-+ const int mode, const char *to);
-+
-+int gr_is_capable(const int cap);
-+int gr_is_capable_nolog(const int cap);
-+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
-+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap);
-+
-+void gr_learn_resource(const struct task_struct *task, const int limit,
-+ const unsigned long wanted, const int gt);
-+void gr_copy_label(struct task_struct *tsk);
-+void gr_handle_crash(struct task_struct *task, const int sig);
-+int gr_handle_signal(const struct task_struct *p, const int sig);
-+int gr_check_crash_uid(const uid_t uid);
-+int gr_check_protected_task(const struct task_struct *task);
-+int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type);
-+int gr_acl_handle_mmap(const struct file *file,
-+ const unsigned long prot);
-+int gr_acl_handle_mprotect(const struct file *file,
-+ const unsigned long prot);
-+int gr_check_hidden_task(const struct task_struct *tsk);
-+__u32 gr_acl_handle_truncate(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+__u32 gr_acl_handle_utime(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+__u32 gr_acl_handle_access(const struct dentry *dentry,
-+ const struct vfsmount *mnt, const int fmode);
-+__u32 gr_acl_handle_chmod(const struct dentry *dentry,
-+ const struct vfsmount *mnt, umode_t *mode);
-+__u32 gr_acl_handle_chown(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+__u32 gr_acl_handle_setxattr(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+int gr_handle_ptrace(struct task_struct *task, const long request);
-+int gr_handle_proc_ptrace(struct task_struct *task);
-+__u32 gr_acl_handle_execve(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+int gr_check_crash_exec(const struct file *filp);
-+int gr_acl_is_enabled(void);
-+void gr_set_kernel_label(struct task_struct *task);
-+void gr_set_role_label(struct task_struct *task, const uid_t uid,
-+ const gid_t gid);
-+int gr_set_proc_label(const struct dentry *dentry,
-+ const struct vfsmount *mnt,
-+ const int unsafe_flags);
-+__u32 gr_acl_handle_hidden_file(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+__u32 gr_acl_handle_open(const struct dentry *dentry,
-+ const struct vfsmount *mnt, int acc_mode);
-+__u32 gr_acl_handle_creat(const struct dentry *dentry,
-+ const struct dentry *p_dentry,
-+ const struct vfsmount *p_mnt,
-+ int open_flags, int acc_mode, const int imode);
-+void gr_handle_create(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_handle_proc_create(const struct dentry *dentry,
-+ const struct inode *inode);
-+__u32 gr_acl_handle_mknod(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ const int mode);
-+__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt);
-+__u32 gr_acl_handle_rmdir(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_handle_delete(const ino_t ino, const dev_t dev);
-+__u32 gr_acl_handle_unlink(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+__u32 gr_acl_handle_symlink(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ const char *from);
-+__u32 gr_acl_handle_link(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ const struct dentry *old_dentry,
-+ const struct vfsmount *old_mnt, const char *to);
-+int gr_handle_symlink_owner(const struct path *link, const struct inode *target);
-+int gr_acl_handle_rename(struct dentry *new_dentry,
-+ struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ struct dentry *old_dentry,
-+ struct inode *old_parent_inode,
-+ struct vfsmount *old_mnt, const char *newname);
-+void gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
-+ struct dentry *old_dentry,
-+ struct dentry *new_dentry,
-+ struct vfsmount *mnt, const __u8 replace);
-+__u32 gr_check_link(const struct dentry *new_dentry,
-+ const struct dentry *parent_dentry,
-+ const struct vfsmount *parent_mnt,
-+ const struct dentry *old_dentry,
-+ const struct vfsmount *old_mnt);
-+int gr_acl_handle_filldir(const struct file *file, const char *name,
-+ const unsigned int namelen, const ino_t ino);
-+
-+__u32 gr_acl_handle_unix(const struct dentry *dentry,
-+ const struct vfsmount *mnt);
-+void gr_acl_handle_exit(void);
-+void gr_acl_handle_psacct(struct task_struct *task, const long code);
-+int gr_acl_handle_procpidmem(const struct task_struct *task);
-+int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags);
-+int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode);
-+void gr_audit_ptrace(struct task_struct *task);
-+dev_t gr_get_dev_from_dentry(struct dentry *dentry);
-+
-+int gr_ptrace_readexec(struct file *file, int unsafe_flags);
-+
-+#ifdef CONFIG_GRKERNSEC
-+void task_grsec_rbac(struct seq_file *m, struct task_struct *p);
-+void gr_handle_vm86(void);
-+void gr_handle_mem_readwrite(u64 from, u64 to);
-+
-+void gr_log_badprocpid(const char *entry);
-+
-+extern int grsec_enable_dmesg;
-+extern int grsec_disable_privio;
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+extern int grsec_enable_chroot_findtask;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern int grsec_enable_setxid;
-+#endif
-+#endif
-+
-+#endif
-diff --git a/include/linux/grsock.h b/include/linux/grsock.h
-new file mode 100644
-index 0000000..e7ffaaf
---- /dev/null
-+++ b/include/linux/grsock.h
-@@ -0,0 +1,19 @@
-+#ifndef __GRSOCK_H
-+#define __GRSOCK_H
-+
-+extern void gr_attach_curr_ip(const struct sock *sk);
-+extern int gr_handle_sock_all(const int family, const int type,
-+ const int protocol);
-+extern int gr_handle_sock_server(const struct sockaddr *sck);
-+extern int gr_handle_sock_server_other(const struct sock *sck);
-+extern int gr_handle_sock_client(const struct sockaddr *sck);
-+extern int gr_search_connect(struct socket * sock,
-+ struct sockaddr_in * addr);
-+extern int gr_search_bind(struct socket * sock,
-+ struct sockaddr_in * addr);
-+extern int gr_search_listen(struct socket * sock);
-+extern int gr_search_accept(struct socket * sock);
-+extern int gr_search_socket(const int domain, const int type,
-+ const int protocol);
-+
-+#endif
-diff --git a/include/linux/hid.h b/include/linux/hid.h
-index 449fa38..b37c8cc 100644
---- a/include/linux/hid.h
-+++ b/include/linux/hid.h
-@@ -704,7 +704,7 @@ struct hid_ll_driver {
- unsigned int code, int value);
-
- int (*parse)(struct hid_device *hdev);
--};
-+} __no_const;
-
- #define PM_HINT_FULLON 1<<5
- #define PM_HINT_NORMAL 1<<1
-diff --git a/include/linux/highmem.h b/include/linux/highmem.h
-index d3999b4..1304cb4 100644
---- a/include/linux/highmem.h
-+++ b/include/linux/highmem.h
-@@ -221,6 +221,18 @@ static inline void clear_highpage(struct page *page)
- kunmap_atomic(kaddr);
- }
-
-+static inline void sanitize_highpage(struct page *page)
-+{
-+ void *kaddr;
-+ unsigned long flags;
-+
-+ local_irq_save(flags);
-+ kaddr = kmap_atomic(page);
-+ clear_page(kaddr);
-+ kunmap_atomic(kaddr);
-+ local_irq_restore(flags);
-+}
-+
- static inline void zero_user_segments(struct page *page,
- unsigned start1, unsigned end1,
- unsigned start2, unsigned end2)
-diff --git a/include/linux/i2c.h b/include/linux/i2c.h
-index ddfa041..a44cfff 100644
---- a/include/linux/i2c.h
-+++ b/include/linux/i2c.h
-@@ -366,6 +366,7 @@ struct i2c_algorithm {
- /* To determine what the adapter supports */
- u32 (*functionality) (struct i2c_adapter *);
- };
-+typedef struct i2c_algorithm __no_const i2c_algorithm_no_const;
-
- /*
- * i2c_adapter is the structure used to identify a physical i2c bus along
-diff --git a/include/linux/i2o.h b/include/linux/i2o.h
-index d23c3c2..eb63c81 100644
---- a/include/linux/i2o.h
-+++ b/include/linux/i2o.h
-@@ -565,7 +565,7 @@ struct i2o_controller {
- struct i2o_device *exec; /* Executive */
- #if BITS_PER_LONG == 64
- spinlock_t context_list_lock; /* lock for context_list */
-- atomic_t context_list_counter; /* needed for unique contexts */
-+ atomic_unchecked_t context_list_counter; /* needed for unique contexts */
- struct list_head context_list; /* list of context id's
- and pointers */
- #endif
-diff --git a/include/linux/if_team.h b/include/linux/if_team.h
-index 8185f57..7b2d222 100644
---- a/include/linux/if_team.h
-+++ b/include/linux/if_team.h
-@@ -74,6 +74,7 @@ struct team_mode_ops {
- void (*port_leave)(struct team *team, struct team_port *port);
- void (*port_change_mac)(struct team *team, struct team_port *port);
- };
-+typedef struct team_mode_ops __no_const team_mode_ops_no_const;
-
- enum team_option_type {
- TEAM_OPTION_TYPE_U32,
-@@ -136,7 +137,7 @@ struct team {
- struct list_head option_inst_list; /* list of option instances */
-
- const struct team_mode *mode;
-- struct team_mode_ops ops;
-+ team_mode_ops_no_const ops;
- long mode_priv[TEAM_MODE_PRIV_LONGS];
- };
-
-diff --git a/include/linux/init.h b/include/linux/init.h
-index 6b95109..7616d09 100644
---- a/include/linux/init.h
-+++ b/include/linux/init.h
-@@ -39,9 +39,15 @@
- * Also note, that this data cannot be "const".
- */
-
-+#ifdef MODULE
-+#define add_latent_entropy
-+#else
-+#define add_latent_entropy __latent_entropy
-+#endif
-+
- /* These are for everybody (although not all archs will actually
- discard it in modules) */
--#define __init __section(.init.text) __cold notrace
-+#define __init __section(.init.text) __cold notrace add_latent_entropy
- #define __initdata __section(.init.data)
- #define __initconst __section(.init.rodata)
- #define __exitdata __section(.exit.data)
-@@ -83,7 +89,7 @@
- #define __exit __section(.exit.text) __exitused __cold notrace
-
- /* Used for HOTPLUG */
--#define __devinit __section(.devinit.text) __cold notrace
-+#define __devinit __section(.devinit.text) __cold notrace add_latent_entropy
- #define __devinitdata __section(.devinit.data)
- #define __devinitconst __section(.devinit.rodata)
- #define __devexit __section(.devexit.text) __exitused __cold notrace
-@@ -91,7 +97,7 @@
- #define __devexitconst __section(.devexit.rodata)
-
- /* Used for HOTPLUG_CPU */
--#define __cpuinit __section(.cpuinit.text) __cold notrace
-+#define __cpuinit __section(.cpuinit.text) __cold notrace add_latent_entropy
- #define __cpuinitdata __section(.cpuinit.data)
- #define __cpuinitconst __section(.cpuinit.rodata)
- #define __cpuexit __section(.cpuexit.text) __exitused __cold notrace
-@@ -99,7 +105,7 @@
- #define __cpuexitconst __section(.cpuexit.rodata)
-
- /* Used for MEMORY_HOTPLUG */
--#define __meminit __section(.meminit.text) __cold notrace
-+#define __meminit __section(.meminit.text) __cold notrace add_latent_entropy
- #define __meminitdata __section(.meminit.data)
- #define __meminitconst __section(.meminit.rodata)
- #define __memexit __section(.memexit.text) __exitused __cold notrace
-diff --git a/include/linux/init_task.h b/include/linux/init_task.h
-index 9e65eff..b131e8b 100644
---- a/include/linux/init_task.h
-+++ b/include/linux/init_task.h
-@@ -134,6 +134,12 @@ extern struct cred init_cred;
-
- #define INIT_TASK_COMM "swapper"
-
-+#ifdef CONFIG_X86
-+#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO,
-+#else
-+#define INIT_TASK_THREAD_INFO
-+#endif
-+
- /*
- * INIT_TASK is used to set up the first task table, touch at
- * your own risk!. Base=0, limit=0x1fffff (=2MB)
-@@ -172,6 +178,7 @@ extern struct cred init_cred;
- RCU_INIT_POINTER(.cred, &init_cred), \
- .comm = INIT_TASK_COMM, \
- .thread = INIT_THREAD, \
-+ INIT_TASK_THREAD_INFO \
- .fs = &init_fs, \
- .files = &init_files, \
- .signal = &init_signals, \
-diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
-index e6ca56d..8583707 100644
---- a/include/linux/intel-iommu.h
-+++ b/include/linux/intel-iommu.h
-@@ -296,7 +296,7 @@ struct iommu_flush {
- u8 fm, u64 type);
- void (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
- unsigned int size_order, u64 type);
--};
-+} __no_const;
-
- enum {
- SR_DMAR_FECTL_REG,
-diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
-index e68a8e5..811b9af 100644
---- a/include/linux/interrupt.h
-+++ b/include/linux/interrupt.h
-@@ -435,7 +435,7 @@ enum
- /* map softirq index to softirq name. update 'softirq_to_name' in
- * kernel/softirq.c when adding a new softirq.
- */
--extern char *softirq_to_name[NR_SOFTIRQS];
-+extern const char * const softirq_to_name[NR_SOFTIRQS];
-
- /* softirq mask and active fields moved to irq_cpustat_t in
- * asm/hardirq.h to get better cache usage. KAO
-@@ -443,12 +443,12 @@ extern char *softirq_to_name[NR_SOFTIRQS];
-
- struct softirq_action
- {
-- void (*action)(struct softirq_action *);
-+ void (*action)(void);
- };
-
- asmlinkage void do_softirq(void);
- asmlinkage void __do_softirq(void);
--extern void open_softirq(int nr, void (*action)(struct softirq_action *));
-+extern void open_softirq(int nr, void (*action)(void));
- extern void softirq_init(void);
- extern void __raise_softirq_irqoff(unsigned int nr);
-
-diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
-index 6883e19..06992b1 100644
---- a/include/linux/kallsyms.h
-+++ b/include/linux/kallsyms.h
-@@ -15,7 +15,8 @@
-
- struct module;
-
--#ifdef CONFIG_KALLSYMS
-+#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS)
-+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- /* Lookup the address for a symbol. Returns 0 if not found. */
- unsigned long kallsyms_lookup_name(const char *name);
-
-@@ -106,6 +107,17 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u
- /* Stupid that this does nothing, but I didn't create this mess. */
- #define __print_symbol(fmt, addr)
- #endif /*CONFIG_KALLSYMS*/
-+#else /* when included by kallsyms.c, vsnprintf.c, or
-+ arch/x86/kernel/dumpstack.c, with HIDESYM enabled */
-+extern void __print_symbol(const char *fmt, unsigned long address);
-+extern int sprint_backtrace(char *buffer, unsigned long address);
-+extern int sprint_symbol(char *buffer, unsigned long address);
-+extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
-+const char *kallsyms_lookup(unsigned long addr,
-+ unsigned long *symbolsize,
-+ unsigned long *offset,
-+ char **modname, char *namebuf);
-+#endif
-
- /* This macro allows us to keep printk typechecking */
- static __printf(1, 2)
-diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
-index c4d2fc1..5df9c19 100644
---- a/include/linux/kgdb.h
-+++ b/include/linux/kgdb.h
-@@ -53,7 +53,7 @@ extern int kgdb_connected;
- extern int kgdb_io_module_registered;
-
- extern atomic_t kgdb_setting_breakpoint;
--extern atomic_t kgdb_cpu_doing_single_step;
-+extern atomic_unchecked_t kgdb_cpu_doing_single_step;
-
- extern struct task_struct *kgdb_usethread;
- extern struct task_struct *kgdb_contthread;
-@@ -252,7 +252,7 @@ struct kgdb_arch {
- void (*disable_hw_break)(struct pt_regs *regs);
- void (*remove_all_hw_break)(void);
- void (*correct_hw_break)(void);
--};
-+} __do_const;
-
- /**
- * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB.
-@@ -277,7 +277,7 @@ struct kgdb_io {
- void (*pre_exception) (void);
- void (*post_exception) (void);
- int is_console;
--};
-+} __do_const;
-
- extern struct kgdb_arch arch_kgdb_ops;
-
-diff --git a/include/linux/kmod.h b/include/linux/kmod.h
-index 5398d58..5883a34 100644
---- a/include/linux/kmod.h
-+++ b/include/linux/kmod.h
-@@ -34,6 +34,8 @@ extern char modprobe_path[]; /* for sysctl */
- * usually useless though. */
- extern __printf(2, 3)
- int __request_module(bool wait, const char *name, ...);
-+extern __printf(3, 4)
-+int ___request_module(bool wait, char *param_name, const char *name, ...);
- #define request_module(mod...) __request_module(true, mod)
- #define request_module_nowait(mod...) __request_module(false, mod)
- #define try_then_request_module(x, mod...) \
-diff --git a/include/linux/kref.h b/include/linux/kref.h
-index 9c07dce..a92fa71 100644
---- a/include/linux/kref.h
-+++ b/include/linux/kref.h
-@@ -63,7 +63,7 @@ static inline void kref_get(struct kref *kref)
- static inline int kref_sub(struct kref *kref, unsigned int count,
- void (*release)(struct kref *kref))
- {
-- WARN_ON(release == NULL);
-+ BUG_ON(release == NULL);
-
- if (atomic_sub_and_test((int) count, &kref->refcount)) {
- release(kref);
-diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
-index 96c158a..1864db5 100644
---- a/include/linux/kvm_host.h
-+++ b/include/linux/kvm_host.h
-@@ -345,7 +345,7 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
- void vcpu_load(struct kvm_vcpu *vcpu);
- void vcpu_put(struct kvm_vcpu *vcpu);
-
--int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
-+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- struct module *module);
- void kvm_exit(void);
-
-@@ -511,7 +511,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
- struct kvm_guest_debug *dbg);
- int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
-
--int kvm_arch_init(void *opaque);
-+int kvm_arch_init(const void *opaque);
- void kvm_arch_exit(void);
-
- int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
-diff --git a/include/linux/libata.h b/include/linux/libata.h
-index 6e887c7..4539601 100644
---- a/include/linux/libata.h
-+++ b/include/linux/libata.h
-@@ -910,7 +910,7 @@ struct ata_port_operations {
- * fields must be pointers.
- */
- const struct ata_port_operations *inherits;
--};
-+} __do_const;
-
- struct ata_port_info {
- unsigned long flags;
-diff --git a/include/linux/memory.h b/include/linux/memory.h
-index 1ac7f6e..a5794d0 100644
---- a/include/linux/memory.h
-+++ b/include/linux/memory.h
-@@ -143,7 +143,7 @@ struct memory_accessor {
- size_t count);
- ssize_t (*write)(struct memory_accessor *, const char *buf,
- off_t offset, size_t count);
--};
-+} __no_const;
-
- /*
- * Kernel text modification mutex, used for code patching. Users of this lock
-diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
-index 1318ca6..7521340 100644
---- a/include/linux/mfd/abx500.h
-+++ b/include/linux/mfd/abx500.h
-@@ -452,6 +452,7 @@ struct abx500_ops {
- int (*event_registers_startup_state_get) (struct device *, u8 *);
- int (*startup_irq_enabled) (struct device *, unsigned int);
- };
-+typedef struct abx500_ops __no_const abx500_ops_no_const;
-
- int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
- void abx500_remove_ops(struct device *dev);
-diff --git a/include/linux/mfd/abx500/ux500_chargalg.h b/include/linux/mfd/abx500/ux500_chargalg.h
-index 9b07725..3d55001 100644
---- a/include/linux/mfd/abx500/ux500_chargalg.h
-+++ b/include/linux/mfd/abx500/ux500_chargalg.h
-@@ -19,7 +19,7 @@ struct ux500_charger_ops {
- int (*enable) (struct ux500_charger *, int, int, int);
- int (*kick_wd) (struct ux500_charger *);
- int (*update_curr) (struct ux500_charger *, int);
--};
-+} __no_const;
-
- /**
- * struct ux500_charger - power supply ux500 charger sub class
-diff --git a/include/linux/mm.h b/include/linux/mm.h
-index f9f279c..198da78 100644
---- a/include/linux/mm.h
-+++ b/include/linux/mm.h
-@@ -116,7 +116,14 @@ extern unsigned int kobjsize(const void *objp);
-
- #define VM_CAN_NONLINEAR 0x08000000 /* Has ->fault & does nonlinear pages */
- #define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
-+#define VM_SAO 0x00000000 /* Strong Access Ordering (powerpc) */
-+#define VM_PAGEEXEC 0x20000000 /* vma->vm_page_prot needs special handling */
-+#else
- #define VM_SAO 0x20000000 /* Strong Access Ordering (powerpc) */
-+#endif
-+
- #define VM_PFN_AT_MMAP 0x40000000 /* PFNMAP vma that is fully mapped at mmap time */
- #define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */
-
-@@ -1009,34 +1016,6 @@ int set_page_dirty(struct page *page);
- int set_page_dirty_lock(struct page *page);
- int clear_page_dirty_for_io(struct page *page);
-
--/* Is the vma a continuation of the stack vma above it? */
--static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
--{
-- return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
--}
--
--static inline int stack_guard_page_start(struct vm_area_struct *vma,
-- unsigned long addr)
--{
-- return (vma->vm_flags & VM_GROWSDOWN) &&
-- (vma->vm_start == addr) &&
-- !vma_growsdown(vma->vm_prev, addr);
--}
--
--/* Is the vma a continuation of the stack vma below it? */
--static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)
--{
-- return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);
--}
--
--static inline int stack_guard_page_end(struct vm_area_struct *vma,
-- unsigned long addr)
--{
-- return (vma->vm_flags & VM_GROWSUP) &&
-- (vma->vm_end == addr) &&
-- !vma_growsup(vma->vm_next, addr);
--}
--
- extern pid_t
- vm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);
-
-@@ -1135,6 +1114,15 @@ static inline void sync_mm_rss(struct mm_struct *mm)
- }
- #endif
-
-+#ifdef CONFIG_MMU
-+pgprot_t vm_get_page_prot(vm_flags_t vm_flags);
-+#else
-+static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
-+{
-+ return __pgprot(0);
-+}
-+#endif
-+
- int vma_wants_writenotify(struct vm_area_struct *vma);
-
- extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
-@@ -1153,8 +1141,15 @@ static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
- {
- return 0;
- }
-+
-+static inline int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd,
-+ unsigned long address)
-+{
-+ return 0;
-+}
- #else
- int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
-+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
- #endif
-
- #ifdef __PAGETABLE_PMD_FOLDED
-@@ -1163,8 +1158,15 @@ static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
- {
- return 0;
- }
-+
-+static inline int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud,
-+ unsigned long address)
-+{
-+ return 0;
-+}
- #else
- int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
-+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address);
- #endif
-
- int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
-@@ -1182,11 +1184,23 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long a
- NULL: pud_offset(pgd, address);
- }
-
-+static inline pud_t *pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
-+{
-+ return (unlikely(pgd_none(*pgd)) && __pud_alloc_kernel(mm, pgd, address))?
-+ NULL: pud_offset(pgd, address);
-+}
-+
- static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
- {
- return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
- NULL: pmd_offset(pud, address);
- }
-+
-+static inline pmd_t *pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
-+{
-+ return (unlikely(pud_none(*pud)) && __pmd_alloc_kernel(mm, pud, address))?
-+ NULL: pmd_offset(pud, address);
-+}
- #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
-
- #if USE_SPLIT_PTLOCKS
-@@ -1396,6 +1410,7 @@ extern unsigned long do_mmap_pgoff(struct file *, unsigned long,
- unsigned long, unsigned long,
- unsigned long, unsigned long);
- extern int do_munmap(struct mm_struct *, unsigned long, size_t);
-+extern int __do_munmap(struct mm_struct *, unsigned long, size_t);
-
- /* These take the mm semaphore themselves */
- extern unsigned long vm_brk(unsigned long, unsigned long);
-@@ -1458,6 +1473,10 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add
- extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
- struct vm_area_struct **pprev);
-
-+extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma);
-+extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma);
-+extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl);
-+
- /* Look up the first VMA which intersects the interval start_addr..end_addr-1,
- NULL if none. Assume start_addr < end_addr. */
- static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)
-@@ -1486,15 +1505,6 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
- return vma;
- }
-
--#ifdef CONFIG_MMU
--pgprot_t vm_get_page_prot(unsigned long vm_flags);
--#else
--static inline pgprot_t vm_get_page_prot(unsigned long vm_flags)
--{
-- return __pgprot(0);
--}
--#endif
--
- struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);
- int remap_pfn_range(struct vm_area_struct *, unsigned long addr,
- unsigned long pfn, unsigned long size, pgprot_t);
-@@ -1599,7 +1609,7 @@ extern int unpoison_memory(unsigned long pfn);
- extern int sysctl_memory_failure_early_kill;
- extern int sysctl_memory_failure_recovery;
- extern void shake_page(struct page *p, int access);
--extern atomic_long_t mce_bad_pages;
-+extern atomic_long_unchecked_t mce_bad_pages;
- extern int soft_offline_page(struct page *page, int flags);
-
- extern void dump_page(struct page *page);
-@@ -1630,5 +1640,11 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; }
- static inline bool page_is_guard(struct page *page) { return false; }
- #endif /* CONFIG_DEBUG_PAGEALLOC */
-
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot);
-+#else
-+static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {}
-+#endif
-+
- #endif /* __KERNEL__ */
- #endif /* _LINUX_MM_H */
-diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
-index 704a626..bb0705a 100644
---- a/include/linux/mm_types.h
-+++ b/include/linux/mm_types.h
-@@ -263,6 +263,8 @@ struct vm_area_struct {
- #ifdef CONFIG_NUMA
- struct mempolicy *vm_policy; /* NUMA policy for the VMA */
- #endif
-+
-+ struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */
- };
-
- struct core_thread {
-@@ -337,7 +339,7 @@ struct mm_struct {
- unsigned long def_flags;
- unsigned long nr_ptes; /* Page table pages */
- unsigned long start_code, end_code, start_data, end_data;
-- unsigned long start_brk, brk, start_stack;
-+ unsigned long brk_gap, start_brk, brk, start_stack;
- unsigned long arg_start, arg_end, env_start, env_end;
-
- unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
-@@ -389,6 +391,24 @@ struct mm_struct {
- struct cpumask cpumask_allocation;
- #endif
- struct uprobes_state uprobes_state;
-+
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+ unsigned long pax_flags;
-+#endif
-+
-+#ifdef CONFIG_PAX_DLRESOLVE
-+ unsigned long call_dl_resolve;
-+#endif
-+
-+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
-+ unsigned long call_syscall;
-+#endif
-+
-+#ifdef CONFIG_PAX_ASLR
-+ unsigned long delta_mmap; /* randomized offset */
-+ unsigned long delta_stack; /* randomized offset */
-+#endif
-+
- };
-
- static inline void mm_init_cpumask(struct mm_struct *mm)
-diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
-index 1d1b1e1..2a13c78 100644
---- a/include/linux/mmu_notifier.h
-+++ b/include/linux/mmu_notifier.h
-@@ -255,12 +255,12 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
- */
- #define ptep_clear_flush_notify(__vma, __address, __ptep) \
- ({ \
-- pte_t __pte; \
-+ pte_t ___pte; \
- struct vm_area_struct *___vma = __vma; \
- unsigned long ___address = __address; \
-- __pte = ptep_clear_flush(___vma, ___address, __ptep); \
-+ ___pte = ptep_clear_flush(___vma, ___address, __ptep); \
- mmu_notifier_invalidate_page(___vma->vm_mm, ___address); \
-- __pte; \
-+ ___pte; \
- })
-
- #define pmdp_clear_flush_notify(__vma, __address, __pmdp) \
-diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
-index 68c569f..5f43753 100644
---- a/include/linux/mmzone.h
-+++ b/include/linux/mmzone.h
-@@ -411,7 +411,7 @@ struct zone {
- unsigned long flags; /* zone flags, see below */
-
- /* Zone statistics */
-- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
-+ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
-
- /*
- * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
-diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
-index 5db9382..50e801d 100644
---- a/include/linux/mod_devicetable.h
-+++ b/include/linux/mod_devicetable.h
-@@ -12,7 +12,7 @@
- typedef unsigned long kernel_ulong_t;
- #endif
-
--#define PCI_ANY_ID (~0)
-+#define PCI_ANY_ID ((__u16)~0)
-
- struct pci_device_id {
- __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
-@@ -131,7 +131,7 @@ struct usb_device_id {
- #define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100
- #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
-
--#define HID_ANY_ID (~0)
-+#define HID_ANY_ID (~0U)
- #define HID_BUS_ANY 0xffff
- #define HID_GROUP_ANY 0x0000
-
-diff --git a/include/linux/module.h b/include/linux/module.h
-index fbcafe2..e5d9587 100644
---- a/include/linux/module.h
-+++ b/include/linux/module.h
-@@ -17,6 +17,7 @@
- #include <linux/moduleparam.h>
- #include <linux/tracepoint.h>
- #include <linux/export.h>
-+#include <linux/fs.h>
-
- #include <linux/percpu.h>
- #include <asm/module.h>
-@@ -273,19 +274,16 @@ struct module
- int (*init)(void);
-
- /* If this is non-NULL, vfree after init() returns */
-- void *module_init;
-+ void *module_init_rx, *module_init_rw;
-
- /* Here is the actual code + data, vfree'd on unload. */
-- void *module_core;
-+ void *module_core_rx, *module_core_rw;
-
- /* Here are the sizes of the init and core sections */
-- unsigned int init_size, core_size;
-+ unsigned int init_size_rw, core_size_rw;
-
- /* The size of the executable code in each section. */
-- unsigned int init_text_size, core_text_size;
--
-- /* Size of RO sections of the module (text+rodata) */
-- unsigned int init_ro_size, core_ro_size;
-+ unsigned int init_size_rx, core_size_rx;
-
- /* Arch-specific module values */
- struct mod_arch_specific arch;
-@@ -341,6 +339,10 @@ struct module
- #ifdef CONFIG_EVENT_TRACING
- struct ftrace_event_call **trace_events;
- unsigned int num_trace_events;
-+ struct file_operations trace_id;
-+ struct file_operations trace_enable;
-+ struct file_operations trace_format;
-+ struct file_operations trace_filter;
- #endif
- #ifdef CONFIG_FTRACE_MCOUNT_RECORD
- unsigned int num_ftrace_callsites;
-@@ -388,16 +390,46 @@ bool is_module_address(unsigned long addr);
- bool is_module_percpu_address(unsigned long addr);
- bool is_module_text_address(unsigned long addr);
-
-+static inline int within_module_range(unsigned long addr, void *start, unsigned long size)
-+{
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ if (ktla_ktva(addr) >= (unsigned long)start &&
-+ ktla_ktva(addr) < (unsigned long)start + size)
-+ return 1;
-+#endif
-+
-+ return ((void *)addr >= start && (void *)addr < start + size);
-+}
-+
-+static inline int within_module_core_rx(unsigned long addr, struct module *mod)
-+{
-+ return within_module_range(addr, mod->module_core_rx, mod->core_size_rx);
-+}
-+
-+static inline int within_module_core_rw(unsigned long addr, struct module *mod)
-+{
-+ return within_module_range(addr, mod->module_core_rw, mod->core_size_rw);
-+}
-+
-+static inline int within_module_init_rx(unsigned long addr, struct module *mod)
-+{
-+ return within_module_range(addr, mod->module_init_rx, mod->init_size_rx);
-+}
-+
-+static inline int within_module_init_rw(unsigned long addr, struct module *mod)
-+{
-+ return within_module_range(addr, mod->module_init_rw, mod->init_size_rw);
-+}
-+
- static inline int within_module_core(unsigned long addr, struct module *mod)
- {
-- return (unsigned long)mod->module_core <= addr &&
-- addr < (unsigned long)mod->module_core + mod->core_size;
-+ return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod);
- }
-
- static inline int within_module_init(unsigned long addr, struct module *mod)
- {
-- return (unsigned long)mod->module_init <= addr &&
-- addr < (unsigned long)mod->module_init + mod->init_size;
-+ return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod);
- }
-
- /* Search for module by name: must hold module_mutex. */
-diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
-index b2be02e..72d2f78 100644
---- a/include/linux/moduleloader.h
-+++ b/include/linux/moduleloader.h
-@@ -23,11 +23,23 @@ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
-
- /* Allocator used for allocating struct module, core sections and init
- sections. Returns NULL on failure. */
--void *module_alloc(unsigned long size);
-+void *module_alloc(unsigned long size) __size_overflow(1);
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+void *module_alloc_exec(unsigned long size) __size_overflow(1);
-+#else
-+#define module_alloc_exec(x) module_alloc(x)
-+#endif
-
- /* Free memory returned from module_alloc. */
- void module_free(struct module *mod, void *module_region);
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+void module_free_exec(struct module *mod, void *module_region);
-+#else
-+#define module_free_exec(x, y) module_free((x), (y))
-+#endif
-+
- /* Apply the given relocation to the (simplified) ELF. Return -error
- or 0. */
- int apply_relocate(Elf_Shdr *sechdrs,
-diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
-index d6a5806..7c13347 100644
---- a/include/linux/moduleparam.h
-+++ b/include/linux/moduleparam.h
-@@ -286,7 +286,7 @@ static inline void __kernel_param_unlock(void)
- * @len is usually just sizeof(string).
- */
- #define module_param_string(name, string, len, perm) \
-- static const struct kparam_string __param_string_##name \
-+ static const struct kparam_string __param_string_##name __used \
- = { len, string }; \
- __module_param_call(MODULE_PARAM_PREFIX, name, \
- ¶m_ops_string, \
-@@ -425,7 +425,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp);
- */
- #define module_param_array_named(name, array, type, nump, perm) \
- param_check_##type(name, &(array)[0]); \
-- static const struct kparam_array __param_arr_##name \
-+ static const struct kparam_array __param_arr_##name __used \
- = { .max = ARRAY_SIZE(array), .num = nump, \
- .ops = ¶m_ops_##type, \
- .elemsize = sizeof(array[0]), .elem = array }; \
-diff --git a/include/linux/namei.h b/include/linux/namei.h
-index ffc0213..2c1f2cb 100644
---- a/include/linux/namei.h
-+++ b/include/linux/namei.h
-@@ -24,7 +24,7 @@ struct nameidata {
- unsigned seq;
- int last_type;
- unsigned depth;
-- char *saved_names[MAX_NESTED_LINKS + 1];
-+ const char *saved_names[MAX_NESTED_LINKS + 1];
-
- /* Intent data */
- union {
-@@ -94,12 +94,12 @@ extern int follow_up(struct path *);
- extern struct dentry *lock_rename(struct dentry *, struct dentry *);
- extern void unlock_rename(struct dentry *, struct dentry *);
-
--static inline void nd_set_link(struct nameidata *nd, char *path)
-+static inline void nd_set_link(struct nameidata *nd, const char *path)
- {
- nd->saved_names[nd->depth] = path;
- }
-
--static inline char *nd_get_link(struct nameidata *nd)
-+static inline const char *nd_get_link(const struct nameidata *nd)
- {
- return nd->saved_names[nd->depth];
- }
-diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
-index d94cb14..e64c951 100644
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -1026,6 +1026,7 @@ struct net_device_ops {
- struct net_device *dev,
- int idx);
- };
-+typedef struct net_device_ops __no_const net_device_ops_no_const;
-
- /*
- * The DEVICE structure.
-@@ -1087,7 +1088,7 @@ struct net_device {
- int iflink;
-
- struct net_device_stats stats;
-- atomic_long_t rx_dropped; /* dropped packets by core network
-+ atomic_long_unchecked_t rx_dropped; /* dropped packets by core network
- * Do not use this in drivers.
- */
-
-diff --git a/include/linux/netfilter/xt_gradm.h b/include/linux/netfilter/xt_gradm.h
-new file mode 100644
-index 0000000..33f4af8
---- /dev/null
-+++ b/include/linux/netfilter/xt_gradm.h
-@@ -0,0 +1,9 @@
-+#ifndef _LINUX_NETFILTER_XT_GRADM_H
-+#define _LINUX_NETFILTER_XT_GRADM_H 1
-+
-+struct xt_gradm_mtinfo {
-+ __u16 flags;
-+ __u16 invflags;
-+};
-+
-+#endif
-diff --git a/include/linux/of_pdt.h b/include/linux/of_pdt.h
-index c65a18a..0c05f3a 100644
---- a/include/linux/of_pdt.h
-+++ b/include/linux/of_pdt.h
-@@ -32,7 +32,7 @@ struct of_pdt_ops {
-
- /* return 0 on success; fill in 'len' with number of bytes in path */
- int (*pkg2path)(phandle node, char *buf, const int buflen, int *len);
--};
-+} __no_const;
-
- extern void *prom_early_alloc(unsigned long size);
-
-diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
-index a4c5624..79d6d88 100644
---- a/include/linux/oprofile.h
-+++ b/include/linux/oprofile.h
-@@ -139,9 +139,9 @@ int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
- int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root,
- char const * name, ulong * val);
-
--/** Create a file for read-only access to an atomic_t. */
-+/** Create a file for read-only access to an atomic_unchecked_t. */
- int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
-- char const * name, atomic_t * val);
-+ char const * name, atomic_unchecked_t * val);
-
- /** create a directory */
- struct dentry * oprofilefs_mkdir(struct super_block * sb, struct dentry * root,
-diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
-index 45db49f..386788e 100644
---- a/include/linux/perf_event.h
-+++ b/include/linux/perf_event.h
-@@ -879,8 +879,8 @@ struct perf_event {
-
- enum perf_event_active_state state;
- unsigned int attach_state;
-- local64_t count;
-- atomic64_t child_count;
-+ local64_t count; /* PaX: fix it one day */
-+ atomic64_unchecked_t child_count;
-
- /*
- * These are the total time in nanoseconds that the event
-@@ -931,8 +931,8 @@ struct perf_event {
- * These accumulate total time (in nanoseconds) that children
- * events have been enabled and running, respectively.
- */
-- atomic64_t child_total_time_enabled;
-- atomic64_t child_total_time_running;
-+ atomic64_unchecked_t child_total_time_enabled;
-+ atomic64_unchecked_t child_total_time_running;
-
- /*
- * Protect attach/detach and child_list:
-diff --git a/include/linux/personality.h b/include/linux/personality.h
-index 8fc7dd1a..c19d89e 100644
---- a/include/linux/personality.h
-+++ b/include/linux/personality.h
-@@ -44,6 +44,7 @@ enum {
- #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \
- ADDR_NO_RANDOMIZE | \
- ADDR_COMPAT_LAYOUT | \
-+ ADDR_LIMIT_3GB | \
- MMAP_PAGE_ZERO)
-
- /*
-diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
-index e1ac1ce..0675fed 100644
---- a/include/linux/pipe_fs_i.h
-+++ b/include/linux/pipe_fs_i.h
-@@ -45,9 +45,9 @@ struct pipe_buffer {
- struct pipe_inode_info {
- wait_queue_head_t wait;
- unsigned int nrbufs, curbuf, buffers;
-- unsigned int readers;
-- unsigned int writers;
-- unsigned int waiting_writers;
-+ atomic_t readers;
-+ atomic_t writers;
-+ atomic_t waiting_writers;
- unsigned int r_counter;
- unsigned int w_counter;
- struct page *tmp_page;
-diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
-index f271860..6b3bec5 100644
---- a/include/linux/pm_runtime.h
-+++ b/include/linux/pm_runtime.h
-@@ -97,7 +97,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev)
-
- static inline void pm_runtime_mark_last_busy(struct device *dev)
- {
-- ACCESS_ONCE(dev->power.last_busy) = jiffies;
-+ ACCESS_ONCE_RW(dev->power.last_busy) = jiffies;
- }
-
- #else /* !CONFIG_PM_RUNTIME */
-diff --git a/include/linux/poison.h b/include/linux/poison.h
-index 2110a81..13a11bb 100644
---- a/include/linux/poison.h
-+++ b/include/linux/poison.h
-@@ -19,8 +19,8 @@
- * under normal circumstances, used to verify that nobody uses
- * non-initialized list entries.
- */
--#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
--#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)
-+#define LIST_POISON1 ((void *) (long)0xFFFFFF01)
-+#define LIST_POISON2 ((void *) (long)0xFFFFFF02)
-
- /********** include/linux/timer.h **********/
- /*
-diff --git a/include/linux/preempt.h b/include/linux/preempt.h
-index 5a710b9..0b0dab9 100644
---- a/include/linux/preempt.h
-+++ b/include/linux/preempt.h
-@@ -126,7 +126,7 @@ struct preempt_ops {
- void (*sched_in)(struct preempt_notifier *notifier, int cpu);
- void (*sched_out)(struct preempt_notifier *notifier,
- struct task_struct *next);
--};
-+} __no_const;
-
- /**
- * preempt_notifier - key for installing preemption notifiers
-diff --git a/include/linux/printk.h b/include/linux/printk.h
-index 1bec2f7..b66e833 100644
---- a/include/linux/printk.h
-+++ b/include/linux/printk.h
-@@ -94,6 +94,8 @@ void early_printk(const char *fmt, ...);
- extern int printk_needs_cpu(int cpu);
- extern void printk_tick(void);
-
-+extern int kptr_restrict;
-+
- #ifdef CONFIG_PRINTK
- asmlinkage __printf(5, 0)
- int vprintk_emit(int facility, int level,
-@@ -128,7 +130,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
-
- extern int printk_delay_msec;
- extern int dmesg_restrict;
--extern int kptr_restrict;
-
- void log_buf_kexec_setup(void);
- void __init setup_log_buf(int early);
-diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
-index 3fd2e87..d93a721 100644
---- a/include/linux/proc_fs.h
-+++ b/include/linux/proc_fs.h
-@@ -155,6 +155,18 @@ static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
- return proc_create_data(name, mode, parent, proc_fops, NULL);
- }
-
-+static inline struct proc_dir_entry *proc_create_grsec(const char *name, umode_t mode,
-+ struct proc_dir_entry *parent, const struct file_operations *proc_fops)
-+{
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL);
-+#else
-+ return proc_create_data(name, mode, parent, proc_fops, NULL);
-+#endif
-+}
-+
- static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
- umode_t mode, struct proc_dir_entry *base,
- read_proc_t *read_proc, void * data)
-@@ -258,7 +270,7 @@ union proc_op {
- int (*proc_show)(struct seq_file *m,
- struct pid_namespace *ns, struct pid *pid,
- struct task_struct *task);
--};
-+} __no_const;
-
- struct ctl_table_header;
- struct ctl_table;
-diff --git a/include/linux/random.h b/include/linux/random.h
-index ac621ce..c1215f3 100644
---- a/include/linux/random.h
-+++ b/include/linux/random.h
-@@ -53,6 +53,10 @@ extern void add_input_randomness(unsigned int type, unsigned int code,
- unsigned int value);
- extern void add_interrupt_randomness(int irq, int irq_flags);
-
-+#ifdef CONFIG_PAX_LATENT_ENTROPY
-+extern void transfer_latent_entropy(void);
-+#endif
-+
- extern void get_random_bytes(void *buf, int nbytes);
- extern void get_random_bytes_arch(void *buf, int nbytes);
- void generate_random_uuid(unsigned char uuid_out[16]);
-@@ -69,12 +73,17 @@ void srandom32(u32 seed);
-
- u32 prandom32(struct rnd_state *);
-
-+static inline unsigned long pax_get_random_long(void)
-+{
-+ return random32() + (sizeof(long) > 4 ? (unsigned long)random32() << 32 : 0);
-+}
-+
- /*
- * Handle minimum values for seeds
- */
- static inline u32 __seed(u32 x, u32 m)
- {
-- return (x < m) ? x + m : x;
-+ return (x <= m) ? x + m + 1 : x;
- }
-
- /**
-diff --git a/include/linux/reboot.h b/include/linux/reboot.h
-index e0879a7..a12f962 100644
---- a/include/linux/reboot.h
-+++ b/include/linux/reboot.h
-@@ -52,9 +52,9 @@ extern int unregister_reboot_notifier(struct notifier_block *);
- * Architecture-specific implementations of sys_reboot commands.
- */
-
--extern void machine_restart(char *cmd);
--extern void machine_halt(void);
--extern void machine_power_off(void);
-+extern void machine_restart(char *cmd) __noreturn;
-+extern void machine_halt(void) __noreturn;
-+extern void machine_power_off(void) __noreturn;
-
- extern void machine_shutdown(void);
- struct pt_regs;
-@@ -65,9 +65,9 @@ extern void machine_crash_shutdown(struct pt_regs *);
- */
-
- extern void kernel_restart_prepare(char *cmd);
--extern void kernel_restart(char *cmd);
--extern void kernel_halt(void);
--extern void kernel_power_off(void);
-+extern void kernel_restart(char *cmd) __noreturn;
-+extern void kernel_halt(void) __noreturn;
-+extern void kernel_power_off(void) __noreturn;
-
- extern int C_A_D; /* for sysctl */
- void ctrl_alt_del(void);
-@@ -81,7 +81,7 @@ extern int orderly_poweroff(bool force);
- * Emergency restart, callable from an interrupt handler.
- */
-
--extern void emergency_restart(void);
-+extern void emergency_restart(void) __noreturn;
- #include <asm/emergency-restart.h>
-
- #endif
-diff --git a/include/linux/relay.h b/include/linux/relay.h
-index 91cacc3..b55ff74 100644
---- a/include/linux/relay.h
-+++ b/include/linux/relay.h
-@@ -160,7 +160,7 @@ struct rchan_callbacks
- * The callback should return 0 if successful, negative if not.
- */
- int (*remove_buf_file)(struct dentry *dentry);
--};
-+} __no_const;
-
- /*
- * CONFIG_RELAY kernel API, kernel/relay.c
-diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
-index 6fdf027..ff72610 100644
---- a/include/linux/rfkill.h
-+++ b/include/linux/rfkill.h
-@@ -147,6 +147,7 @@ struct rfkill_ops {
- void (*query)(struct rfkill *rfkill, void *data);
- int (*set_block)(void *data, bool blocked);
- };
-+typedef struct rfkill_ops __no_const rfkill_ops_no_const;
-
- #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- /**
-diff --git a/include/linux/rio.h b/include/linux/rio.h
-index a90ebad..fd87b5d 100644
---- a/include/linux/rio.h
-+++ b/include/linux/rio.h
-@@ -321,7 +321,7 @@ struct rio_ops {
- int mbox, void *buffer, size_t len);
- int (*add_inb_buffer)(struct rio_mport *mport, int mbox, void *buf);
- void *(*get_inb_message)(struct rio_mport *mport, int mbox);
--};
-+} __no_const;
-
- #define RIO_RESOURCE_MEM 0x00000100
- #define RIO_RESOURCE_DOORBELL 0x00000200
-diff --git a/include/linux/rmap.h b/include/linux/rmap.h
-index 3fce545..b4fed6e 100644
---- a/include/linux/rmap.h
-+++ b/include/linux/rmap.h
-@@ -119,9 +119,9 @@ static inline void anon_vma_unlock(struct anon_vma *anon_vma)
- void anon_vma_init(void); /* create anon_vma_cachep */
- int anon_vma_prepare(struct vm_area_struct *);
- void unlink_anon_vmas(struct vm_area_struct *);
--int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *);
-+int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *);
- void anon_vma_moveto_tail(struct vm_area_struct *);
--int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *);
-+int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *);
-
- static inline void anon_vma_merge(struct vm_area_struct *vma,
- struct vm_area_struct *next)
-diff --git a/include/linux/sched.h b/include/linux/sched.h
-index 4a1f493..5812aeb 100644
---- a/include/linux/sched.h
-+++ b/include/linux/sched.h
-@@ -101,6 +101,7 @@ struct bio_list;
- struct fs_struct;
- struct perf_event_context;
- struct blk_plug;
-+struct linux_binprm;
-
- /*
- * List of flags we want to share for kernel threads,
-@@ -384,10 +385,13 @@ struct user_namespace;
- #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
-
- extern int sysctl_max_map_count;
-+extern unsigned long sysctl_heap_stack_gap;
-
- #include <linux/aio.h>
-
- #ifdef CONFIG_MMU
-+extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len);
-+extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len);
- extern void arch_pick_mmap_layout(struct mm_struct *mm);
- extern unsigned long
- arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
-@@ -406,6 +410,11 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
- extern void set_dumpable(struct mm_struct *mm, int value);
- extern int get_dumpable(struct mm_struct *mm);
-
-+/* get/set_dumpable() values */
-+#define SUID_DUMPABLE_DISABLED 0
-+#define SUID_DUMPABLE_ENABLED 1
-+#define SUID_DUMPABLE_SAFE 2
-+
- /* mm flags */
- /* dumpable bits */
- #define MMF_DUMPABLE 0 /* core dump is permitted */
-@@ -646,6 +655,17 @@ struct signal_struct {
- #ifdef CONFIG_TASKSTATS
- struct taskstats *stats;
- #endif
-+
-+#ifdef CONFIG_GRKERNSEC
-+ u32 curr_ip;
-+ u32 saved_ip;
-+ u32 gr_saddr;
-+ u32 gr_daddr;
-+ u16 gr_sport;
-+ u16 gr_dport;
-+ u8 used_accept:1;
-+#endif
-+
- #ifdef CONFIG_AUDIT
- unsigned audit_tty;
- struct tty_audit_buf *tty_audit_buf;
-@@ -729,6 +749,11 @@ struct user_struct {
- struct key *session_keyring; /* UID's default session keyring */
- #endif
-
-+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
-+ unsigned int banned;
-+ unsigned long ban_expires;
-+#endif
-+
- /* Hash table maintenance information */
- struct hlist_node uidhash_node;
- kuid_t uid;
-@@ -1348,8 +1373,8 @@ struct task_struct {
- struct list_head thread_group;
-
- struct completion *vfork_done; /* for vfork() */
-- int __user *set_child_tid; /* CLONE_CHILD_SETTID */
-- int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
-+ pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */
-+ pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
-
- cputime_t utime, stime, utimescaled, stimescaled;
- cputime_t gtime;
-@@ -1365,11 +1390,6 @@ struct task_struct {
- struct task_cputime cputime_expires;
- struct list_head cpu_timers[3];
-
--/* process credentials */
-- const struct cred __rcu *real_cred; /* objective and real subjective task
-- * credentials (COW) */
-- const struct cred __rcu *cred; /* effective (overridable) subjective task
-- * credentials (COW) */
- char comm[TASK_COMM_LEN]; /* executable name excluding path
- - access with [gs]et_task_comm (which lock
- it with task_lock())
-@@ -1386,8 +1406,16 @@ struct task_struct {
- #endif
- /* CPU-specific state of this task */
- struct thread_struct thread;
-+/* thread_info moved to task_struct */
-+#ifdef CONFIG_X86
-+ struct thread_info tinfo;
-+#endif
- /* filesystem information */
- struct fs_struct *fs;
-+
-+ const struct cred __rcu *cred; /* effective (overridable) subjective task
-+ * credentials (COW) */
-+
- /* open file information */
- struct files_struct *files;
- /* namespaces */
-@@ -1431,6 +1459,11 @@ struct task_struct {
- struct rt_mutex_waiter *pi_blocked_on;
- #endif
-
-+/* process credentials */
-+ const struct cred __rcu *real_cred; /* objective and real subjective task
-+ * credentials (COW) */
-+ struct cred *replacement_session_keyring; /* for KEYCTL_SESSION_TO_PARENT */
-+
- #ifdef CONFIG_DEBUG_MUTEXES
- /* mutex deadlock detection */
- struct mutex_waiter *blocked_on;
-@@ -1547,6 +1580,27 @@ struct task_struct {
- unsigned long default_timer_slack_ns;
-
- struct list_head *scm_work_list;
-+
-+#ifdef CONFIG_GRKERNSEC
-+ /* grsecurity */
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ u64 exec_id;
-+#endif
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ const struct cred *delayed_cred;
-+#endif
-+ struct dentry *gr_chroot_dentry;
-+ struct acl_subject_label *acl;
-+ struct acl_role_label *role;
-+ struct file *exec_file;
-+ u16 acl_role_id;
-+ /* is this the task that authenticated to the special role */
-+ u8 acl_sp_role;
-+ u8 is_writable;
-+ u8 brute;
-+ u8 gr_is_chrooted;
-+#endif
-+
- #ifdef CONFIG_FUNCTION_GRAPH_TRACER
- /* Index of current stored address in ret_stack */
- int curr_ret_stack;
-@@ -1585,6 +1639,51 @@ struct task_struct {
- #endif
- };
-
-+#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */
-+#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */
-+#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */
-+#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */
-+/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */
-+#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */
-+
-+#ifdef CONFIG_PAX_SOFTMODE
-+extern int pax_softmode;
-+#endif
-+
-+extern int pax_check_flags(unsigned long *);
-+
-+/* if tsk != current then task_lock must be held on it */
-+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
-+static inline unsigned long pax_get_flags(struct task_struct *tsk)
-+{
-+ if (likely(tsk->mm))
-+ return tsk->mm->pax_flags;
-+ else
-+ return 0UL;
-+}
-+
-+/* if tsk != current then task_lock must be held on it */
-+static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags)
-+{
-+ if (likely(tsk->mm)) {
-+ tsk->mm->pax_flags = flags;
-+ return 0;
-+ }
-+ return -EINVAL;
-+}
-+#endif
-+
-+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
-+extern void pax_set_initial_flags(struct linux_binprm *bprm);
-+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
-+extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
-+#endif
-+
-+extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp);
-+extern void pax_report_insns(struct pt_regs *regs, void *pc, void *sp);
-+extern void pax_report_refcount_overflow(struct pt_regs *regs);
-+extern void check_object_size(const void *ptr, unsigned long n, bool to);
-+
- /* Future-safe accessor for struct task_struct's cpus_allowed. */
- #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
-
-@@ -2112,7 +2211,9 @@ void yield(void);
- extern struct exec_domain default_exec_domain;
-
- union thread_union {
-+#ifndef CONFIG_X86
- struct thread_info thread_info;
-+#endif
- unsigned long stack[THREAD_SIZE/sizeof(long)];
- };
-
-@@ -2145,6 +2246,7 @@ extern struct pid_namespace init_pid_ns;
- */
-
- extern struct task_struct *find_task_by_vpid(pid_t nr);
-+extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr);
- extern struct task_struct *find_task_by_pid_ns(pid_t nr,
- struct pid_namespace *ns);
-
-@@ -2301,7 +2403,7 @@ extern void __cleanup_sighand(struct sighand_struct *);
- extern void exit_itimers(struct signal_struct *);
- extern void flush_itimer_signals(void);
-
--extern void do_group_exit(int);
-+extern __noreturn void do_group_exit(int);
-
- extern void daemonize(const char *, ...);
- extern int allow_signal(int);
-@@ -2502,9 +2604,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
-
- #endif
-
--static inline int object_is_on_stack(void *obj)
-+static inline int object_starts_on_stack(void *obj)
- {
-- void *stack = task_stack_page(current);
-+ const void *stack = task_stack_page(current);
-
- return (obj >= stack) && (obj < (stack + THREAD_SIZE));
- }
-diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
-index 899fbb4..1cb4138 100644
---- a/include/linux/screen_info.h
-+++ b/include/linux/screen_info.h
-@@ -43,7 +43,8 @@ struct screen_info {
- __u16 pages; /* 0x32 */
- __u16 vesa_attributes; /* 0x34 */
- __u32 capabilities; /* 0x36 */
-- __u8 _reserved[6]; /* 0x3a */
-+ __u16 vesapm_size; /* 0x3a */
-+ __u8 _reserved[4]; /* 0x3c */
- } __attribute__((packed));
-
- #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
-diff --git a/include/linux/security.h b/include/linux/security.h
-index 3dea6a9..81fd81f 100644
---- a/include/linux/security.h
-+++ b/include/linux/security.h
-@@ -26,6 +26,7 @@
- #include <linux/capability.h>
- #include <linux/slab.h>
- #include <linux/err.h>
-+#include <linux/grsecurity.h>
-
- struct linux_binprm;
- struct cred;
-diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
-index fc61854..d7c490b 100644
---- a/include/linux/seq_file.h
-+++ b/include/linux/seq_file.h
-@@ -25,6 +25,9 @@ struct seq_file {
- struct mutex lock;
- const struct seq_operations *op;
- int poll_event;
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ u64 exec_id;
-+#endif
- void *private;
- };
-
-@@ -34,6 +37,7 @@ struct seq_operations {
- void * (*next) (struct seq_file *m, void *v, loff_t *pos);
- int (*show) (struct seq_file *m, void *v);
- };
-+typedef struct seq_operations __no_const seq_operations_no_const;
-
- #define SEQ_SKIP 1
-
-diff --git a/include/linux/shm.h b/include/linux/shm.h
-index 92808b8..c28cac4 100644
---- a/include/linux/shm.h
-+++ b/include/linux/shm.h
-@@ -98,6 +98,10 @@ struct shmid_kernel /* private to the kernel */
-
- /* The task created the shm object. NULL if the task is dead. */
- struct task_struct *shm_creator;
-+#ifdef CONFIG_GRKERNSEC
-+ time_t shm_createtime;
-+ pid_t shm_lapid;
-+#endif
- };
-
- /* shm_mode upper byte flags */
-diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
-index 642cb73..7ff7f9f 100644
---- a/include/linux/skbuff.h
-+++ b/include/linux/skbuff.h
-@@ -680,7 +680,7 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb)
- */
- static inline int skb_queue_empty(const struct sk_buff_head *list)
- {
-- return list->next == (struct sk_buff *)list;
-+ return list->next == (const struct sk_buff *)list;
- }
-
- /**
-@@ -693,7 +693,7 @@ static inline int skb_queue_empty(const struct sk_buff_head *list)
- static inline bool skb_queue_is_last(const struct sk_buff_head *list,
- const struct sk_buff *skb)
- {
-- return skb->next == (struct sk_buff *)list;
-+ return skb->next == (const struct sk_buff *)list;
- }
-
- /**
-@@ -706,7 +706,7 @@ static inline bool skb_queue_is_last(const struct sk_buff_head *list,
- static inline bool skb_queue_is_first(const struct sk_buff_head *list,
- const struct sk_buff *skb)
- {
-- return skb->prev == (struct sk_buff *)list;
-+ return skb->prev == (const struct sk_buff *)list;
- }
-
- /**
-@@ -1605,7 +1605,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
- * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
- */
- #ifndef NET_SKB_PAD
--#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
-+#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES)
- #endif
-
- extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);
-diff --git a/include/linux/slab.h b/include/linux/slab.h
-index 67d5d94..bbd740b 100644
---- a/include/linux/slab.h
-+++ b/include/linux/slab.h
-@@ -11,12 +11,20 @@
-
- #include <linux/gfp.h>
- #include <linux/types.h>
-+#include <linux/err.h>
-
- /*
- * Flags to pass to kmem_cache_create().
- * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set.
- */
- #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */
-+#else
-+#define SLAB_USERCOPY 0x00000000UL
-+#endif
-+
- #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */
- #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */
- #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */
-@@ -87,10 +95,13 @@
- * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can.
- * Both make kfree a no-op.
- */
--#define ZERO_SIZE_PTR ((void *)16)
-+#define ZERO_SIZE_PTR \
-+({ \
-+ BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\
-+ (void *)(-MAX_ERRNO-1L); \
-+})
-
--#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \
-- (unsigned long)ZERO_SIZE_PTR)
-+#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1)
-
- /*
- * struct kmem_cache related prototypes
-@@ -161,6 +172,8 @@ void * __must_check krealloc(const void *, size_t, gfp_t);
- void kfree(const void *);
- void kzfree(const void *);
- size_t ksize(const void *);
-+const char *check_heap_object(const void *ptr, unsigned long n, bool to);
-+bool is_usercopy_object(const void *ptr);
-
- /*
- * Allocator specific definitions. These are mainly used to establish optimized
-@@ -298,7 +311,7 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
- */
- #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
- (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
--extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
-+extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long) __size_overflow(1);
- #define kmalloc_track_caller(size, flags) \
- __kmalloc_track_caller(size, flags, _RET_IP_)
- #else
-@@ -317,7 +330,7 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
- */
- #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
- (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
--extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
-+extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long) __size_overflow(1);
- #define kmalloc_node_track_caller(size, flags, node) \
- __kmalloc_node_track_caller(size, flags, node, \
- _RET_IP_)
-diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
-index fbd1117..0a3d314 100644
---- a/include/linux/slab_def.h
-+++ b/include/linux/slab_def.h
-@@ -66,10 +66,10 @@ struct kmem_cache {
- unsigned long node_allocs;
- unsigned long node_frees;
- unsigned long node_overflow;
-- atomic_t allochit;
-- atomic_t allocmiss;
-- atomic_t freehit;
-- atomic_t freemiss;
-+ atomic_unchecked_t allochit;
-+ atomic_unchecked_t allocmiss;
-+ atomic_unchecked_t freehit;
-+ atomic_unchecked_t freemiss;
-
- /*
- * If debugging is enabled, then the allocator can add additional
-@@ -103,11 +103,16 @@ struct cache_sizes {
- #ifdef CONFIG_ZONE_DMA
- struct kmem_cache *cs_dmacachep;
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ struct kmem_cache *cs_usercopycachep;
-+#endif
-+
- };
- extern struct cache_sizes malloc_sizes[];
-
- void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
--void *__kmalloc(size_t size, gfp_t flags);
-+void *__kmalloc(size_t size, gfp_t flags) __size_overflow(1);
-
- #ifdef CONFIG_TRACING
- extern void *kmem_cache_alloc_trace(size_t size,
-@@ -150,6 +155,13 @@ found:
- cachep = malloc_sizes[i].cs_dmacachep;
- else
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ if (flags & GFP_USERCOPY)
-+ cachep = malloc_sizes[i].cs_usercopycachep;
-+ else
-+#endif
-+
- cachep = malloc_sizes[i].cs_cachep;
-
- ret = kmem_cache_alloc_trace(size, cachep, flags);
-@@ -160,7 +172,7 @@ found:
- }
-
- #ifdef CONFIG_NUMA
--extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
-+extern void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
- extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
-
- #ifdef CONFIG_TRACING
-@@ -203,6 +215,13 @@ found:
- cachep = malloc_sizes[i].cs_dmacachep;
- else
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ if (flags & GFP_USERCOPY)
-+ cachep = malloc_sizes[i].cs_usercopycachep;
-+ else
-+#endif
-+
- cachep = malloc_sizes[i].cs_cachep;
-
- return kmem_cache_alloc_node_trace(size, cachep, flags, node);
-diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
-index 0ec00b3..22b4715 100644
---- a/include/linux/slob_def.h
-+++ b/include/linux/slob_def.h
-@@ -9,7 +9,7 @@ static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep,
- return kmem_cache_alloc_node(cachep, flags, -1);
- }
-
--void *__kmalloc_node(size_t size, gfp_t flags, int node);
-+void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
-
- static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
- {
-@@ -29,7 +29,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
- return __kmalloc_node(size, flags, -1);
- }
-
--static __always_inline void *__kmalloc(size_t size, gfp_t flags)
-+static __always_inline __size_overflow(1) void *__kmalloc(size_t size, gfp_t flags)
- {
- return kmalloc(size, flags);
- }
-diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
-index c2f8c8b..d992a41 100644
---- a/include/linux/slub_def.h
-+++ b/include/linux/slub_def.h
-@@ -92,7 +92,7 @@ struct kmem_cache {
- struct kmem_cache_order_objects max;
- struct kmem_cache_order_objects min;
- gfp_t allocflags; /* gfp flags to use on each alloc */
-- int refcount; /* Refcount for slab cache destroy */
-+ atomic_t refcount; /* Refcount for slab cache destroy */
- void (*ctor)(void *);
- int inuse; /* Offset to metadata */
- int align; /* Alignment */
-@@ -153,7 +153,7 @@ extern struct kmem_cache *kmalloc_caches[SLUB_PAGE_SHIFT];
- * Sorry that the following has to be that ugly but some versions of GCC
- * have trouble with constant propagation and loops.
- */
--static __always_inline int kmalloc_index(size_t size)
-+static __always_inline __size_overflow(1) int kmalloc_index(size_t size)
- {
- if (!size)
- return 0;
-@@ -218,7 +218,7 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
- }
-
- void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
--void *__kmalloc(size_t size, gfp_t flags);
-+void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1) __size_overflow(1);
-
- static __always_inline void *
- kmalloc_order(size_t size, gfp_t flags, unsigned int order)
-@@ -259,7 +259,7 @@ kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
- }
- #endif
-
--static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
-+static __always_inline __size_overflow(1) void *kmalloc_large(size_t size, gfp_t flags)
- {
- unsigned int order = get_order(size);
- return kmalloc_order_trace(size, flags, order);
-@@ -284,7 +284,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
- }
-
- #ifdef CONFIG_NUMA
--void *__kmalloc_node(size_t size, gfp_t flags, int node);
-+void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
- void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
-
- #ifdef CONFIG_TRACING
-diff --git a/include/linux/sonet.h b/include/linux/sonet.h
-index de8832d..0147b46 100644
---- a/include/linux/sonet.h
-+++ b/include/linux/sonet.h
-@@ -61,7 +61,7 @@ struct sonet_stats {
- #include <linux/atomic.h>
-
- struct k_sonet_stats {
--#define __HANDLE_ITEM(i) atomic_t i
-+#define __HANDLE_ITEM(i) atomic_unchecked_t i
- __SONET_ITEMS
- #undef __HANDLE_ITEM
- };
-diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
-index 523547e..2cb7140 100644
---- a/include/linux/sunrpc/clnt.h
-+++ b/include/linux/sunrpc/clnt.h
-@@ -174,9 +174,9 @@ static inline unsigned short rpc_get_port(const struct sockaddr *sap)
- {
- switch (sap->sa_family) {
- case AF_INET:
-- return ntohs(((struct sockaddr_in *)sap)->sin_port);
-+ return ntohs(((const struct sockaddr_in *)sap)->sin_port);
- case AF_INET6:
-- return ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
-+ return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port);
- }
- return 0;
- }
-@@ -209,7 +209,7 @@ static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1,
- static inline bool __rpc_copy_addr4(struct sockaddr *dst,
- const struct sockaddr *src)
- {
-- const struct sockaddr_in *ssin = (struct sockaddr_in *) src;
-+ const struct sockaddr_in *ssin = (const struct sockaddr_in *) src;
- struct sockaddr_in *dsin = (struct sockaddr_in *) dst;
-
- dsin->sin_family = ssin->sin_family;
-@@ -312,7 +312,7 @@ static inline u32 rpc_get_scope_id(const struct sockaddr *sa)
- if (sa->sa_family != AF_INET6)
- return 0;
-
-- return ((struct sockaddr_in6 *) sa)->sin6_scope_id;
-+ return ((const struct sockaddr_in6 *) sa)->sin6_scope_id;
- }
-
- #endif /* __KERNEL__ */
-diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
-index dc0c3cc..8503fb6 100644
---- a/include/linux/sunrpc/sched.h
-+++ b/include/linux/sunrpc/sched.h
-@@ -106,6 +106,7 @@ struct rpc_call_ops {
- void (*rpc_count_stats)(struct rpc_task *, void *);
- void (*rpc_release)(void *);
- };
-+typedef struct rpc_call_ops __no_const rpc_call_ops_no_const;
-
- struct rpc_task_setup {
- struct rpc_task *task;
-diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
-index 0b8e3e6..33e0a01 100644
---- a/include/linux/sunrpc/svc_rdma.h
-+++ b/include/linux/sunrpc/svc_rdma.h
-@@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord;
- extern unsigned int svcrdma_max_requests;
- extern unsigned int svcrdma_max_req_size;
-
--extern atomic_t rdma_stat_recv;
--extern atomic_t rdma_stat_read;
--extern atomic_t rdma_stat_write;
--extern atomic_t rdma_stat_sq_starve;
--extern atomic_t rdma_stat_rq_starve;
--extern atomic_t rdma_stat_rq_poll;
--extern atomic_t rdma_stat_rq_prod;
--extern atomic_t rdma_stat_sq_poll;
--extern atomic_t rdma_stat_sq_prod;
-+extern atomic_unchecked_t rdma_stat_recv;
-+extern atomic_unchecked_t rdma_stat_read;
-+extern atomic_unchecked_t rdma_stat_write;
-+extern atomic_unchecked_t rdma_stat_sq_starve;
-+extern atomic_unchecked_t rdma_stat_rq_starve;
-+extern atomic_unchecked_t rdma_stat_rq_poll;
-+extern atomic_unchecked_t rdma_stat_rq_prod;
-+extern atomic_unchecked_t rdma_stat_sq_poll;
-+extern atomic_unchecked_t rdma_stat_sq_prod;
-
- #define RPCRDMA_VERSION 1
-
-diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
-index c34b4c8..a65b67d 100644
---- a/include/linux/sysctl.h
-+++ b/include/linux/sysctl.h
-@@ -155,7 +155,11 @@ enum
- KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */
- };
-
--
-+#ifdef CONFIG_PAX_SOFTMODE
-+enum {
-+ PAX_SOFTMODE=1 /* PaX: disable/enable soft mode */
-+};
-+#endif
-
- /* CTL_VM names: */
- enum
-@@ -948,6 +952,8 @@ typedef int proc_handler (struct ctl_table *ctl, int write,
-
- extern int proc_dostring(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-+extern int proc_dostring_modpriv(struct ctl_table *, int,
-+ void __user *, size_t *, loff_t *);
- extern int proc_dointvec(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
- extern int proc_dointvec_minmax(struct ctl_table *, int,
-diff --git a/include/linux/tty.h b/include/linux/tty.h
-index 9f47ab5..73da944 100644
---- a/include/linux/tty.h
-+++ b/include/linux/tty.h
-@@ -225,7 +225,7 @@ struct tty_port {
- const struct tty_port_operations *ops; /* Port operations */
- spinlock_t lock; /* Lock protecting tty field */
- int blocked_open; /* Waiting to open */
-- int count; /* Usage count */
-+ atomic_t count; /* Usage count */
- wait_queue_head_t open_wait; /* Open waiters */
- wait_queue_head_t close_wait; /* Close waiters */
- wait_queue_head_t delta_msr_wait; /* Modem status change */
-@@ -525,7 +525,7 @@ extern int tty_port_open(struct tty_port *port,
- struct tty_struct *tty, struct file *filp);
- static inline int tty_port_users(struct tty_port *port)
- {
-- return port->count + port->blocked_open;
-+ return atomic_read(&port->count) + port->blocked_open;
- }
-
- extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
-diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
-index fb79dd8d..07d4773 100644
---- a/include/linux/tty_ldisc.h
-+++ b/include/linux/tty_ldisc.h
-@@ -149,7 +149,7 @@ struct tty_ldisc_ops {
-
- struct module *owner;
-
-- int refcount;
-+ atomic_t refcount;
- };
-
- struct tty_ldisc {
-diff --git a/include/linux/types.h b/include/linux/types.h
-index 9c1bd53..c2370f6 100644
---- a/include/linux/types.h
-+++ b/include/linux/types.h
-@@ -220,10 +220,26 @@ typedef struct {
- int counter;
- } atomic_t;
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef struct {
-+ int counter;
-+} atomic_unchecked_t;
-+#else
-+typedef atomic_t atomic_unchecked_t;
-+#endif
-+
- #ifdef CONFIG_64BIT
- typedef struct {
- long counter;
- } atomic64_t;
-+
-+#ifdef CONFIG_PAX_REFCOUNT
-+typedef struct {
-+ long counter;
-+} atomic64_unchecked_t;
-+#else
-+typedef atomic64_t atomic64_unchecked_t;
-+#endif
- #endif
-
- struct list_head {
-diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
-index 5ca0951..ab496a5 100644
---- a/include/linux/uaccess.h
-+++ b/include/linux/uaccess.h
-@@ -76,11 +76,11 @@ static inline unsigned long __copy_from_user_nocache(void *to,
- long ret; \
- mm_segment_t old_fs = get_fs(); \
- \
-- set_fs(KERNEL_DS); \
- pagefault_disable(); \
-- ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \
-- pagefault_enable(); \
-+ set_fs(KERNEL_DS); \
-+ ret = __copy_from_user_inatomic(&(retval), (typeof(retval) __force_user *)(addr), sizeof(retval)); \
- set_fs(old_fs); \
-+ pagefault_enable(); \
- ret; \
- })
-
-diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h
-index 99c1b4d..bb94261 100644
---- a/include/linux/unaligned/access_ok.h
-+++ b/include/linux/unaligned/access_ok.h
-@@ -6,32 +6,32 @@
-
- static inline u16 get_unaligned_le16(const void *p)
- {
-- return le16_to_cpup((__le16 *)p);
-+ return le16_to_cpup((const __le16 *)p);
- }
-
- static inline u32 get_unaligned_le32(const void *p)
- {
-- return le32_to_cpup((__le32 *)p);
-+ return le32_to_cpup((const __le32 *)p);
- }
-
- static inline u64 get_unaligned_le64(const void *p)
- {
-- return le64_to_cpup((__le64 *)p);
-+ return le64_to_cpup((const __le64 *)p);
- }
-
- static inline u16 get_unaligned_be16(const void *p)
- {
-- return be16_to_cpup((__be16 *)p);
-+ return be16_to_cpup((const __be16 *)p);
- }
-
- static inline u32 get_unaligned_be32(const void *p)
- {
-- return be32_to_cpup((__be32 *)p);
-+ return be32_to_cpup((const __be32 *)p);
- }
-
- static inline u64 get_unaligned_be64(const void *p)
- {
-- return be64_to_cpup((__be64 *)p);
-+ return be64_to_cpup((const __be64 *)p);
- }
-
- static inline void put_unaligned_le16(u16 val, void *p)
-diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
-index 547e59c..db6ad19 100644
---- a/include/linux/usb/renesas_usbhs.h
-+++ b/include/linux/usb/renesas_usbhs.h
-@@ -39,7 +39,7 @@ enum {
- */
- struct renesas_usbhs_driver_callback {
- int (*notify_hotplug)(struct platform_device *pdev);
--};
-+} __no_const;
-
- /*
- * callback functions for platform
-@@ -97,7 +97,7 @@ struct renesas_usbhs_platform_callback {
- * VBUS control is needed for Host
- */
- int (*set_vbus)(struct platform_device *pdev, int enable);
--};
-+} __no_const;
-
- /*
- * parameters for renesas usbhs
-diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
-index 6f8fbcf..8259001 100644
---- a/include/linux/vermagic.h
-+++ b/include/linux/vermagic.h
-@@ -25,9 +25,35 @@
- #define MODULE_ARCH_VERMAGIC ""
- #endif
-
-+#ifdef CONFIG_PAX_REFCOUNT
-+#define MODULE_PAX_REFCOUNT "REFCOUNT "
-+#else
-+#define MODULE_PAX_REFCOUNT ""
-+#endif
-+
-+#ifdef CONSTIFY_PLUGIN
-+#define MODULE_CONSTIFY_PLUGIN "CONSTIFY_PLUGIN "
-+#else
-+#define MODULE_CONSTIFY_PLUGIN ""
-+#endif
-+
-+#ifdef STACKLEAK_PLUGIN
-+#define MODULE_STACKLEAK_PLUGIN "STACKLEAK_PLUGIN "
-+#else
-+#define MODULE_STACKLEAK_PLUGIN ""
-+#endif
-+
-+#ifdef CONFIG_GRKERNSEC
-+#define MODULE_GRSEC "GRSEC "
-+#else
-+#define MODULE_GRSEC ""
-+#endif
-+
- #define VERMAGIC_STRING \
- UTS_RELEASE " " \
- MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
- MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
-- MODULE_ARCH_VERMAGIC
-+ MODULE_ARCH_VERMAGIC \
-+ MODULE_PAX_REFCOUNT MODULE_CONSTIFY_PLUGIN MODULE_STACKLEAK_PLUGIN \
-+ MODULE_GRSEC
-
-diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
-index dcdfc2b..ec79ab5 100644
---- a/include/linux/vmalloc.h
-+++ b/include/linux/vmalloc.h
-@@ -14,6 +14,11 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */
- #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
- #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */
- #define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
-+#define VM_KERNEXEC 0x00000040 /* allocate from executable kernel memory range */
-+#endif
-+
- /* bits [20..32] reserved for arch specific ioremap internals */
-
- /*
-@@ -62,7 +67,7 @@ extern void *vmalloc_32_user(unsigned long size);
- extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
- extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
- unsigned long start, unsigned long end, gfp_t gfp_mask,
-- pgprot_t prot, int node, void *caller);
-+ pgprot_t prot, int node, void *caller) __size_overflow(1);
- extern void vfree(const void *addr);
-
- extern void *vmap(struct page **pages, unsigned int count,
-@@ -123,8 +128,8 @@ extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes);
- extern void free_vm_area(struct vm_struct *area);
-
- /* for /dev/kmem */
--extern long vread(char *buf, char *addr, unsigned long count);
--extern long vwrite(char *buf, char *addr, unsigned long count);
-+extern long vread(char *buf, char *addr, unsigned long count) __size_overflow(3);
-+extern long vwrite(char *buf, char *addr, unsigned long count) __size_overflow(3);
-
- /*
- * Internals. Dont't use..
-diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
-index 65efb92..137adbb 100644
---- a/include/linux/vmstat.h
-+++ b/include/linux/vmstat.h
-@@ -87,18 +87,18 @@ static inline void vm_events_fold_cpu(int cpu)
- /*
- * Zone based page accounting with per cpu differentials.
- */
--extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
-+extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
-
- static inline void zone_page_state_add(long x, struct zone *zone,
- enum zone_stat_item item)
- {
-- atomic_long_add(x, &zone->vm_stat[item]);
-- atomic_long_add(x, &vm_stat[item]);
-+ atomic_long_add_unchecked(x, &zone->vm_stat[item]);
-+ atomic_long_add_unchecked(x, &vm_stat[item]);
- }
-
- static inline unsigned long global_page_state(enum zone_stat_item item)
- {
-- long x = atomic_long_read(&vm_stat[item]);
-+ long x = atomic_long_read_unchecked(&vm_stat[item]);
- #ifdef CONFIG_SMP
- if (x < 0)
- x = 0;
-@@ -109,7 +109,7 @@ static inline unsigned long global_page_state(enum zone_stat_item item)
- static inline unsigned long zone_page_state(struct zone *zone,
- enum zone_stat_item item)
- {
-- long x = atomic_long_read(&zone->vm_stat[item]);
-+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
- #ifdef CONFIG_SMP
- if (x < 0)
- x = 0;
-@@ -126,7 +126,7 @@ static inline unsigned long zone_page_state(struct zone *zone,
- static inline unsigned long zone_page_state_snapshot(struct zone *zone,
- enum zone_stat_item item)
- {
-- long x = atomic_long_read(&zone->vm_stat[item]);
-+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
-
- #ifdef CONFIG_SMP
- int cpu;
-@@ -221,8 +221,8 @@ static inline void __mod_zone_page_state(struct zone *zone,
-
- static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
- {
-- atomic_long_inc(&zone->vm_stat[item]);
-- atomic_long_inc(&vm_stat[item]);
-+ atomic_long_inc_unchecked(&zone->vm_stat[item]);
-+ atomic_long_inc_unchecked(&vm_stat[item]);
- }
-
- static inline void __inc_zone_page_state(struct page *page,
-@@ -233,8 +233,8 @@ static inline void __inc_zone_page_state(struct page *page,
-
- static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
- {
-- atomic_long_dec(&zone->vm_stat[item]);
-- atomic_long_dec(&vm_stat[item]);
-+ atomic_long_dec_unchecked(&zone->vm_stat[item]);
-+ atomic_long_dec_unchecked(&vm_stat[item]);
- }
-
- static inline void __dec_zone_page_state(struct page *page,
-diff --git a/include/linux/xattr.h b/include/linux/xattr.h
-index e5d1220..ef6e406 100644
---- a/include/linux/xattr.h
-+++ b/include/linux/xattr.h
-@@ -57,6 +57,11 @@
- #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default"
- #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT
-
-+/* User namespace */
-+#define XATTR_PAX_PREFIX XATTR_USER_PREFIX "pax."
-+#define XATTR_PAX_FLAGS_SUFFIX "flags"
-+#define XATTR_NAME_PAX_FLAGS XATTR_PAX_PREFIX XATTR_PAX_FLAGS_SUFFIX
-+
- #ifdef __KERNEL__
-
- #include <linux/types.h>
-diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h
-index 944ecdf..a3994fc 100644
---- a/include/media/saa7146_vv.h
-+++ b/include/media/saa7146_vv.h
-@@ -161,8 +161,8 @@ struct saa7146_ext_vv
- int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
-
- /* the extension can override this */
-- struct v4l2_ioctl_ops vid_ops;
-- struct v4l2_ioctl_ops vbi_ops;
-+ v4l2_ioctl_ops_no_const vid_ops;
-+ v4l2_ioctl_ops_no_const vbi_ops;
- /* pointer to the saa7146 core ops */
- const struct v4l2_ioctl_ops *core_ops;
-
-diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
-index a056e6e..31023a5 100644
---- a/include/media/v4l2-dev.h
-+++ b/include/media/v4l2-dev.h
-@@ -73,7 +73,8 @@ struct v4l2_file_operations {
- int (*mmap) (struct file *, struct vm_area_struct *);
- int (*open) (struct file *);
- int (*release) (struct file *);
--};
-+} __do_const;
-+typedef struct v4l2_file_operations __no_const v4l2_file_operations_no_const;
-
- /*
- * Newer version of video_device, handled by videodev2.c
-diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
-index d8b76f7..7d5aa18 100644
---- a/include/media/v4l2-ioctl.h
-+++ b/include/media/v4l2-ioctl.h
-@@ -287,7 +287,7 @@ struct v4l2_ioctl_ops {
- long (*vidioc_default) (struct file *file, void *fh,
- bool valid_prio, int cmd, void *arg);
- };
--
-+typedef struct v4l2_ioctl_ops __no_const v4l2_ioctl_ops_no_const;
-
- /* v4l debugging and diagnostics */
-
-diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h
-index 439dadc..1c67e3f 100644
---- a/include/net/caif/caif_hsi.h
-+++ b/include/net/caif/caif_hsi.h
-@@ -98,7 +98,7 @@ struct cfhsi_drv {
- void (*rx_done_cb) (struct cfhsi_drv *drv);
- void (*wake_up_cb) (struct cfhsi_drv *drv);
- void (*wake_down_cb) (struct cfhsi_drv *drv);
--};
-+} __no_const;
-
- /* Structure implemented by HSI device. */
- struct cfhsi_dev {
-diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h
-index 9e5425b..8136ffc 100644
---- a/include/net/caif/cfctrl.h
-+++ b/include/net/caif/cfctrl.h
-@@ -52,7 +52,7 @@ struct cfctrl_rsp {
- void (*radioset_rsp)(void);
- void (*reject_rsp)(struct cflayer *layer, u8 linkid,
- struct cflayer *client_layer);
--};
-+} __no_const;
-
- /* Link Setup Parameters for CAIF-Links. */
- struct cfctrl_link_param {
-@@ -101,8 +101,8 @@ struct cfctrl_request_info {
- struct cfctrl {
- struct cfsrvl serv;
- struct cfctrl_rsp res;
-- atomic_t req_seq_no;
-- atomic_t rsp_seq_no;
-+ atomic_unchecked_t req_seq_no;
-+ atomic_unchecked_t rsp_seq_no;
- struct list_head list;
- /* Protects from simultaneous access to first_req list */
- spinlock_t info_list_lock;
-diff --git a/include/net/flow.h b/include/net/flow.h
-index 6c469db..7743b8e 100644
---- a/include/net/flow.h
-+++ b/include/net/flow.h
-@@ -221,6 +221,6 @@ extern struct flow_cache_object *flow_cache_lookup(
-
- extern void flow_cache_flush(void);
- extern void flow_cache_flush_deferred(void);
--extern atomic_t flow_cache_genid;
-+extern atomic_unchecked_t flow_cache_genid;
-
- #endif
-diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
-index 2040bff..f4c0733 100644
---- a/include/net/inetpeer.h
-+++ b/include/net/inetpeer.h
-@@ -51,8 +51,8 @@ struct inet_peer {
- */
- union {
- struct {
-- atomic_t rid; /* Frag reception counter */
-- atomic_t ip_id_count; /* IP ID for the next packet */
-+ atomic_unchecked_t rid; /* Frag reception counter */
-+ atomic_unchecked_t ip_id_count; /* IP ID for the next packet */
- __u32 tcp_ts;
- __u32 tcp_ts_stamp;
- };
-@@ -118,11 +118,11 @@ static inline int inet_getid(struct inet_peer *p, int more)
- more++;
- inet_peer_refcheck(p);
- do {
-- old = atomic_read(&p->ip_id_count);
-+ old = atomic_read_unchecked(&p->ip_id_count);
- new = old + more;
- if (!new)
- new = 1;
-- } while (atomic_cmpxchg(&p->ip_id_count, old, new) != old);
-+ } while (atomic_cmpxchg_unchecked(&p->ip_id_count, old, new) != old);
- return new;
- }
-
-diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
-index 78df0866..00e5c9b 100644
---- a/include/net/ip_fib.h
-+++ b/include/net/ip_fib.h
-@@ -146,7 +146,7 @@ extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
-
- #define FIB_RES_SADDR(net, res) \
- ((FIB_RES_NH(res).nh_saddr_genid == \
-- atomic_read(&(net)->ipv4.dev_addr_genid)) ? \
-+ atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \
- FIB_RES_NH(res).nh_saddr : \
- fib_info_update_nh_saddr((net), &FIB_RES_NH(res)))
- #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw)
-diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
-index 95374d1..2300e36 100644
---- a/include/net/ip_vs.h
-+++ b/include/net/ip_vs.h
-@@ -510,7 +510,7 @@ struct ip_vs_conn {
- struct ip_vs_conn *control; /* Master control connection */
- atomic_t n_control; /* Number of controlled ones */
- struct ip_vs_dest *dest; /* real server */
-- atomic_t in_pkts; /* incoming packet counter */
-+ atomic_unchecked_t in_pkts; /* incoming packet counter */
-
- /* packet transmitter for different forwarding methods. If it
- mangles the packet, it must return NF_DROP or better NF_STOLEN,
-@@ -648,7 +648,7 @@ struct ip_vs_dest {
- __be16 port; /* port number of the server */
- union nf_inet_addr addr; /* IP address of the server */
- volatile unsigned int flags; /* dest status flags */
-- atomic_t conn_flags; /* flags to copy to conn */
-+ atomic_unchecked_t conn_flags; /* flags to copy to conn */
- atomic_t weight; /* server weight */
-
- atomic_t refcnt; /* reference counter */
-diff --git a/include/net/irda/ircomm_core.h b/include/net/irda/ircomm_core.h
-index 69b610a..fe3962c 100644
---- a/include/net/irda/ircomm_core.h
-+++ b/include/net/irda/ircomm_core.h
-@@ -51,7 +51,7 @@ typedef struct {
- int (*connect_response)(struct ircomm_cb *, struct sk_buff *);
- int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *,
- struct ircomm_info *);
--} call_t;
-+} __no_const call_t;
-
- struct ircomm_cb {
- irda_queue_t queue;
-diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h
-index 59ba38bc..d515662 100644
---- a/include/net/irda/ircomm_tty.h
-+++ b/include/net/irda/ircomm_tty.h
-@@ -35,6 +35,7 @@
- #include <linux/termios.h>
- #include <linux/timer.h>
- #include <linux/tty.h> /* struct tty_struct */
-+#include <asm/local.h>
-
- #include <net/irda/irias_object.h>
- #include <net/irda/ircomm_core.h>
-@@ -105,8 +106,8 @@ struct ircomm_tty_cb {
- unsigned short close_delay;
- unsigned short closing_wait; /* time to wait before closing */
-
-- int open_count;
-- int blocked_open; /* # of blocked opens */
-+ local_t open_count;
-+ local_t blocked_open; /* # of blocked opens */
-
- /* Protect concurent access to :
- * o self->open_count
-diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
-index cc7c197..9f2da2a 100644
---- a/include/net/iucv/af_iucv.h
-+++ b/include/net/iucv/af_iucv.h
-@@ -141,7 +141,7 @@ struct iucv_sock {
- struct iucv_sock_list {
- struct hlist_head head;
- rwlock_t lock;
-- atomic_t autobind_name;
-+ atomic_unchecked_t autobind_name;
- };
-
- unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
-diff --git a/include/net/neighbour.h b/include/net/neighbour.h
-index 6cdfeed..55a0256 100644
---- a/include/net/neighbour.h
-+++ b/include/net/neighbour.h
-@@ -123,7 +123,7 @@ struct neigh_ops {
- void (*error_report)(struct neighbour *, struct sk_buff *);
- int (*output)(struct neighbour *, struct sk_buff *);
- int (*connected_output)(struct neighbour *, struct sk_buff *);
--};
-+} __do_const;
-
- struct pneigh_entry {
- struct pneigh_entry *next;
-diff --git a/include/net/netlink.h b/include/net/netlink.h
-index 785f37a..c81dc0c 100644
---- a/include/net/netlink.h
-+++ b/include/net/netlink.h
-@@ -520,7 +520,7 @@ static inline void *nlmsg_get_pos(struct sk_buff *skb)
- static inline void nlmsg_trim(struct sk_buff *skb, const void *mark)
- {
- if (mark)
-- skb_trim(skb, (unsigned char *) mark - skb->data);
-+ skb_trim(skb, (const unsigned char *) mark - skb->data);
- }
-
- /**
-diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
-index bbd023a..97c6d0d 100644
---- a/include/net/netns/ipv4.h
-+++ b/include/net/netns/ipv4.h
-@@ -57,8 +57,8 @@ struct netns_ipv4 {
- unsigned int sysctl_ping_group_range[2];
- long sysctl_tcp_mem[3];
-
-- atomic_t rt_genid;
-- atomic_t dev_addr_genid;
-+ atomic_unchecked_t rt_genid;
-+ atomic_unchecked_t dev_addr_genid;
-
- #ifdef CONFIG_IP_MROUTE
- #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
-diff --git a/include/net/scm.h b/include/net/scm.h
-index d456f4c..0c0017c 100644
---- a/include/net/scm.h
-+++ b/include/net/scm.h
-@@ -71,9 +71,11 @@ static __inline__ void scm_destroy(struct scm_cookie *scm)
- }
-
- static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
-- struct scm_cookie *scm)
-+ struct scm_cookie *scm, bool forcecreds)
- {
- memset(scm, 0, sizeof(*scm));
-+ if (forcecreds)
-+ scm_set_cred(scm, task_tgid(current), current_cred());
- unix_get_peersec_dgram(sock, scm);
- if (msg->msg_controllen <= 0)
- return 0;
-diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
-index a2ef814..31a8e3f 100644
---- a/include/net/sctp/sctp.h
-+++ b/include/net/sctp/sctp.h
-@@ -318,9 +318,9 @@ do { \
-
- #else /* SCTP_DEBUG */
-
--#define SCTP_DEBUG_PRINTK(whatever...)
--#define SCTP_DEBUG_PRINTK_CONT(fmt, args...)
--#define SCTP_DEBUG_PRINTK_IPADDR(whatever...)
-+#define SCTP_DEBUG_PRINTK(whatever...) do {} while (0)
-+#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) do {} while (0)
-+#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) do {} while (0)
- #define SCTP_ENABLE_DEBUG
- #define SCTP_DISABLE_DEBUG
- #define SCTP_ASSERT(expr, str, func)
-diff --git a/include/net/sock.h b/include/net/sock.h
-index 4a45216..7af2578 100644
---- a/include/net/sock.h
-+++ b/include/net/sock.h
-@@ -303,7 +303,7 @@ struct sock {
- #ifdef CONFIG_RPS
- __u32 sk_rxhash;
- #endif
-- atomic_t sk_drops;
-+ atomic_unchecked_t sk_drops;
- int sk_rcvbuf;
-
- struct sk_filter __rcu *sk_filter;
-@@ -1726,7 +1726,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)
- }
-
- static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,
-- char __user *from, char *to,
-+ char __user *from, unsigned char *to,
- int copy, int offset)
- {
- if (skb->ip_summed == CHECKSUM_NONE) {
-diff --git a/include/net/tcp.h b/include/net/tcp.h
-index e79aa48..9929421 100644
---- a/include/net/tcp.h
-+++ b/include/net/tcp.h
-@@ -1459,7 +1459,7 @@ struct tcp_seq_afinfo {
- char *name;
- sa_family_t family;
- const struct file_operations *seq_fops;
-- struct seq_operations seq_ops;
-+ seq_operations_no_const seq_ops;
- };
-
- struct tcp_iter_state {
-diff --git a/include/net/udp.h b/include/net/udp.h
-index 065f379..b661b40 100644
---- a/include/net/udp.h
-+++ b/include/net/udp.h
-@@ -244,7 +244,7 @@ struct udp_seq_afinfo {
- sa_family_t family;
- struct udp_table *udp_table;
- const struct file_operations *seq_fops;
-- struct seq_operations seq_ops;
-+ seq_operations_no_const seq_ops;
- };
-
- struct udp_iter_state {
-diff --git a/include/net/xfrm.h b/include/net/xfrm.h
-index e0a55df..5890bca07 100644
---- a/include/net/xfrm.h
-+++ b/include/net/xfrm.h
-@@ -505,7 +505,7 @@ struct xfrm_policy {
- struct timer_list timer;
-
- struct flow_cache_object flo;
-- atomic_t genid;
-+ atomic_unchecked_t genid;
- u32 priority;
- u32 index;
- struct xfrm_mark mark;
-diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
-index 1a046b1..ee0bef0 100644
---- a/include/rdma/iw_cm.h
-+++ b/include/rdma/iw_cm.h
-@@ -122,7 +122,7 @@ struct iw_cm_verbs {
- int backlog);
-
- int (*destroy_listen)(struct iw_cm_id *cm_id);
--};
-+} __no_const;
-
- /**
- * iw_create_cm_id - Create an IW CM identifier.
-diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
-index 8f9dfba..610ab6c 100644
---- a/include/scsi/libfc.h
-+++ b/include/scsi/libfc.h
-@@ -756,6 +756,7 @@ struct libfc_function_template {
- */
- void (*disc_stop_final) (struct fc_lport *);
- };
-+typedef struct libfc_function_template __no_const libfc_function_template_no_const;
-
- /**
- * struct fc_disc - Discovery context
-@@ -861,7 +862,7 @@ struct fc_lport {
- struct fc_vport *vport;
-
- /* Operational Information */
-- struct libfc_function_template tt;
-+ libfc_function_template_no_const tt;
- u8 link_up;
- u8 qfull;
- enum fc_lport_state state;
-diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
-index ba96988..ecf2eb9 100644
---- a/include/scsi/scsi_device.h
-+++ b/include/scsi/scsi_device.h
-@@ -163,9 +163,9 @@ struct scsi_device {
- unsigned int max_device_blocked; /* what device_blocked counts down from */
- #define SCSI_DEFAULT_DEVICE_BLOCKED 3
-
-- atomic_t iorequest_cnt;
-- atomic_t iodone_cnt;
-- atomic_t ioerr_cnt;
-+ atomic_unchecked_t iorequest_cnt;
-+ atomic_unchecked_t iodone_cnt;
-+ atomic_unchecked_t ioerr_cnt;
-
- struct device sdev_gendev,
- sdev_dev;
-diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
-index 719faf1..07b6728 100644
---- a/include/scsi/scsi_transport_fc.h
-+++ b/include/scsi/scsi_transport_fc.h
-@@ -739,7 +739,8 @@ struct fc_function_template {
- unsigned long show_host_system_hostname:1;
-
- unsigned long disable_target_scan:1;
--};
-+} __do_const;
-+typedef struct fc_function_template __no_const fc_function_template_no_const;
-
-
- /**
-diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
-index 030b87c..98a6954 100644
---- a/include/sound/ak4xxx-adda.h
-+++ b/include/sound/ak4xxx-adda.h
-@@ -35,7 +35,7 @@ struct snd_ak4xxx_ops {
- void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
- unsigned char val);
- void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
--};
-+} __no_const;
-
- #define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
-
-diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
-index 8c05e47..2b5df97 100644
---- a/include/sound/hwdep.h
-+++ b/include/sound/hwdep.h
-@@ -49,7 +49,7 @@ struct snd_hwdep_ops {
- struct snd_hwdep_dsp_status *status);
- int (*dsp_load)(struct snd_hwdep *hw,
- struct snd_hwdep_dsp_image *image);
--};
-+} __no_const;
-
- struct snd_hwdep {
- struct snd_card *card;
-diff --git a/include/sound/info.h b/include/sound/info.h
-index 9ca1a49..aba1728 100644
---- a/include/sound/info.h
-+++ b/include/sound/info.h
-@@ -44,7 +44,7 @@ struct snd_info_entry_text {
- struct snd_info_buffer *buffer);
- void (*write)(struct snd_info_entry *entry,
- struct snd_info_buffer *buffer);
--};
-+} __no_const;
-
- struct snd_info_entry_ops {
- int (*open)(struct snd_info_entry *entry,
-diff --git a/include/sound/pcm.h b/include/sound/pcm.h
-index 0d11128..814178e 100644
---- a/include/sound/pcm.h
-+++ b/include/sound/pcm.h
-@@ -81,6 +81,7 @@ struct snd_pcm_ops {
- int (*mmap)(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
- int (*ack)(struct snd_pcm_substream *substream);
- };
-+typedef struct snd_pcm_ops __no_const snd_pcm_ops_no_const;
-
- /*
- *
-diff --git a/include/sound/sb16_csp.h b/include/sound/sb16_csp.h
-index af1b49e..a5d55a5 100644
---- a/include/sound/sb16_csp.h
-+++ b/include/sound/sb16_csp.h
-@@ -146,7 +146,7 @@ struct snd_sb_csp_ops {
- int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
- int (*csp_stop) (struct snd_sb_csp * p);
- int (*csp_qsound_transfer) (struct snd_sb_csp * p);
--};
-+} __no_const;
-
- /*
- * CSP private data
-diff --git a/include/sound/soc.h b/include/sound/soc.h
-index c703871..f7fbbbd 100644
---- a/include/sound/soc.h
-+++ b/include/sound/soc.h
-@@ -757,7 +757,7 @@ struct snd_soc_platform_driver {
- unsigned int (*read)(struct snd_soc_platform *, unsigned int);
- int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
- int (*bespoke_trigger)(struct snd_pcm_substream *, int);
--};
-+} __do_const;
-
- struct snd_soc_platform {
- const char *name;
-@@ -949,7 +949,7 @@ struct snd_soc_pcm_runtime {
- struct snd_soc_dai_link *dai_link;
- struct mutex pcm_mutex;
- enum snd_soc_pcm_subclass pcm_subclass;
-- struct snd_pcm_ops ops;
-+ snd_pcm_ops_no_const ops;
-
- unsigned int dev_registered:1;
-
-diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h
-index 0c3c2fb..d9d9990 100644
---- a/include/sound/tea575x-tuner.h
-+++ b/include/sound/tea575x-tuner.h
-@@ -44,7 +44,7 @@ struct snd_tea575x_ops {
-
- struct snd_tea575x {
- struct v4l2_device *v4l2_dev;
-- struct v4l2_file_operations fops;
-+ v4l2_file_operations_no_const fops;
- struct video_device vd; /* video device */
- int radio_nr; /* radio_nr */
- bool tea5759; /* 5759 chip is present */
-diff --git a/include/sound/ymfpci.h b/include/sound/ymfpci.h
-index 4119966..1a4671c 100644
---- a/include/sound/ymfpci.h
-+++ b/include/sound/ymfpci.h
-@@ -358,7 +358,7 @@ struct snd_ymfpci {
- spinlock_t reg_lock;
- spinlock_t voice_lock;
- wait_queue_head_t interrupt_sleep;
-- atomic_t interrupt_sleep_count;
-+ atomic_unchecked_t interrupt_sleep_count;
- struct snd_info_entry *proc_entry;
- const struct firmware *dsp_microcode;
- const struct firmware *controller_microcode;
-diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
-index 362e0d9..36b9a83 100644
---- a/include/target/target_core_base.h
-+++ b/include/target/target_core_base.h
-@@ -441,7 +441,7 @@ struct t10_reservation_ops {
- int (*t10_seq_non_holder)(struct se_cmd *, unsigned char *, u32);
- int (*t10_pr_register)(struct se_cmd *);
- int (*t10_pr_clear)(struct se_cmd *);
--};
-+} __no_const;
-
- struct t10_reservation {
- /* Reservation effects all target ports */
-@@ -780,7 +780,7 @@ struct se_device {
- spinlock_t stats_lock;
- /* Active commands on this virtual SE device */
- atomic_t simple_cmds;
-- atomic_t dev_ordered_id;
-+ atomic_unchecked_t dev_ordered_id;
- atomic_t execute_tasks;
- atomic_t dev_ordered_sync;
- atomic_t dev_qf_count;
-diff --git a/include/trace/events/fs.h b/include/trace/events/fs.h
-new file mode 100644
-index 0000000..2efe49d
---- /dev/null
-+++ b/include/trace/events/fs.h
-@@ -0,0 +1,53 @@
-+#undef TRACE_SYSTEM
-+#define TRACE_SYSTEM fs
-+
-+#if !defined(_TRACE_FS_H) || defined(TRACE_HEADER_MULTI_READ)
-+#define _TRACE_FS_H
-+
-+#include <linux/fs.h>
-+#include <linux/tracepoint.h>
-+
-+TRACE_EVENT(do_sys_open,
-+
-+ TP_PROTO(char *filename, int flags, int mode),
-+
-+ TP_ARGS(filename, flags, mode),
-+
-+ TP_STRUCT__entry(
-+ __string( filename, filename )
-+ __field( int, flags )
-+ __field( int, mode )
-+ ),
-+
-+ TP_fast_assign(
-+ __assign_str(filename, filename);
-+ __entry->flags = flags;
-+ __entry->mode = mode;
-+ ),
-+
-+ TP_printk("\"%s\" %x %o",
-+ __get_str(filename), __entry->flags, __entry->mode)
-+);
-+
-+TRACE_EVENT(open_exec,
-+
-+ TP_PROTO(const char *filename),
-+
-+ TP_ARGS(filename),
-+
-+ TP_STRUCT__entry(
-+ __string( filename, filename )
-+ ),
-+
-+ TP_fast_assign(
-+ __assign_str(filename, filename);
-+ ),
-+
-+ TP_printk("\"%s\"",
-+ __get_str(filename))
-+);
-+
-+#endif /* _TRACE_FS_H */
-+
-+/* This part must be outside protection */
-+#include <trace/define_trace.h>
-diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
-index 1c09820..7f5ec79 100644
---- a/include/trace/events/irq.h
-+++ b/include/trace/events/irq.h
-@@ -36,7 +36,7 @@ struct softirq_action;
- */
- TRACE_EVENT(irq_handler_entry,
-
-- TP_PROTO(int irq, struct irqaction *action),
-+ TP_PROTO(int irq, const struct irqaction *action),
-
- TP_ARGS(irq, action),
-
-@@ -66,7 +66,7 @@ TRACE_EVENT(irq_handler_entry,
- */
- TRACE_EVENT(irq_handler_exit,
-
-- TP_PROTO(int irq, struct irqaction *action, int ret),
-+ TP_PROTO(int irq, const struct irqaction *action, int ret),
-
- TP_ARGS(irq, action, ret),
-
-diff --git a/include/video/udlfb.h b/include/video/udlfb.h
-index f9466fa..f4e2b81 100644
---- a/include/video/udlfb.h
-+++ b/include/video/udlfb.h
-@@ -53,10 +53,10 @@ struct dlfb_data {
- u32 pseudo_palette[256];
- int blank_mode; /*one of FB_BLANK_ */
- /* blit-only rendering path metrics, exposed through sysfs */
-- atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
-- atomic_t bytes_identical; /* saved effort with backbuffer comparison */
-- atomic_t bytes_sent; /* to usb, after compression including overhead */
-- atomic_t cpu_kcycles_used; /* transpired during pixel processing */
-+ atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */
-+ atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */
-+ atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */
-+ atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */
- };
-
- #define NR_USB_REQUEST_I2C_SUB_IO 0x02
-diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h
-index 0993a22..32ba2fe 100644
---- a/include/video/uvesafb.h
-+++ b/include/video/uvesafb.h
-@@ -177,6 +177,7 @@ struct uvesafb_par {
- u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */
- u8 pmi_setpal; /* PMI for palette changes */
- u16 *pmi_base; /* protected mode interface location */
-+ u8 *pmi_code; /* protected mode code location */
- void *pmi_start;
- void *pmi_pal;
- u8 *vbe_state_orig; /*
-diff --git a/init/Kconfig b/init/Kconfig
-index d07dcf9..fa47d0e 100644
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -835,6 +835,7 @@ endif # CGROUPS
-
- config CHECKPOINT_RESTORE
- bool "Checkpoint/restore support" if EXPERT
-+ depends on !GRKERNSEC
- default n
- help
- Enables additional kernel features in a sake of checkpoint/restore.
-@@ -1014,6 +1015,7 @@ config UIDGID_CONVERTED
- # Security modules
- depends on SECURITY_TOMOYO = n
- depends on SECURITY_APPARMOR = n
-+ depends on GRKERNSEC = n
-
- config UIDGID_STRICT_TYPE_CHECKS
- bool "Require conversions between uid/gids and their internal representation"
-@@ -1401,7 +1403,7 @@ config SLUB_DEBUG
-
- config COMPAT_BRK
- bool "Disable heap randomization"
-- default y
-+ default n
- help
- Randomizing heap placement makes heap exploits harder, but it
- also breaks ancient binaries (including anything libc5 based).
-@@ -1584,7 +1586,7 @@ config INIT_ALL_POSSIBLE
- config STOP_MACHINE
- bool
- default y
-- depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU
-+ depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU || GRKERNSEC
- help
- Need stop_machine() primitive.
-
-diff --git a/init/Makefile b/init/Makefile
-index 7bc47ee..6da2dc7 100644
---- a/init/Makefile
-+++ b/init/Makefile
-@@ -2,6 +2,9 @@
- # Makefile for the linux kernel.
- #
-
-+ccflags-y := $(GCC_PLUGINS_CFLAGS)
-+asflags-y := $(GCC_PLUGINS_AFLAGS)
-+
- obj-y := main.o version.o mounts.o
- ifneq ($(CONFIG_BLK_DEV_INITRD),y)
- obj-y += noinitramfs.o
-diff --git a/init/do_mounts.c b/init/do_mounts.c
-index d3f0aee..c9322f5 100644
---- a/init/do_mounts.c
-+++ b/init/do_mounts.c
-@@ -336,11 +336,11 @@ static void __init get_fs_names(char *page)
- static int __init do_mount_root(char *name, char *fs, int flags, void *data)
- {
- struct super_block *s;
-- int err = sys_mount(name, "/root", fs, flags, data);
-+ int err = sys_mount((char __force_user *)name, (char __force_user *)"/root", (char __force_user *)fs, flags, (void __force_user *)data);
- if (err)
- return err;
-
-- sys_chdir("/root");
-+ sys_chdir((const char __force_user *)"/root");
- s = current->fs->pwd.dentry->d_sb;
- ROOT_DEV = s->s_dev;
- printk(KERN_INFO
-@@ -460,18 +460,18 @@ void __init change_floppy(char *fmt, ...)
- va_start(args, fmt);
- vsprintf(buf, fmt, args);
- va_end(args);
-- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
-+ fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0);
- if (fd >= 0) {
- sys_ioctl(fd, FDEJECT, 0);
- sys_close(fd);
- }
- printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf);
-- fd = sys_open("/dev/console", O_RDWR, 0);
-+ fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0);
- if (fd >= 0) {
- sys_ioctl(fd, TCGETS, (long)&termios);
- termios.c_lflag &= ~ICANON;
- sys_ioctl(fd, TCSETSF, (long)&termios);
-- sys_read(fd, &c, 1);
-+ sys_read(fd, (char __user *)&c, 1);
- termios.c_lflag |= ICANON;
- sys_ioctl(fd, TCSETSF, (long)&termios);
- sys_close(fd);
-@@ -565,6 +565,6 @@ void __init prepare_namespace(void)
- mount_root();
- out:
- devtmpfs_mount("dev");
-- sys_mount(".", "/", NULL, MS_MOVE, NULL);
-- sys_chroot(".");
-+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
-+ sys_chroot((const char __force_user *)".");
- }
-diff --git a/init/do_mounts.h b/init/do_mounts.h
-index f5b978a..69dbfe8 100644
---- a/init/do_mounts.h
-+++ b/init/do_mounts.h
-@@ -15,15 +15,15 @@ extern int root_mountflags;
-
- static inline int create_dev(char *name, dev_t dev)
- {
-- sys_unlink(name);
-- return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
-+ sys_unlink((char __force_user *)name);
-+ return sys_mknod((char __force_user *)name, S_IFBLK|0600, new_encode_dev(dev));
- }
-
- #if BITS_PER_LONG == 32
- static inline u32 bstat(char *name)
- {
- struct stat64 stat;
-- if (sys_stat64(name, &stat) != 0)
-+ if (sys_stat64((char __force_user *)name, (struct stat64 __force_user *)&stat) != 0)
- return 0;
- if (!S_ISBLK(stat.st_mode))
- return 0;
-@@ -35,7 +35,7 @@ static inline u32 bstat(char *name)
- static inline u32 bstat(char *name)
- {
- struct stat stat;
-- if (sys_newstat(name, &stat) != 0)
-+ if (sys_newstat((const char __force_user *)name, (struct stat __force_user *)&stat) != 0)
- return 0;
- if (!S_ISBLK(stat.st_mode))
- return 0;
-diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
-index 135959a2..28a3f43 100644
---- a/init/do_mounts_initrd.c
-+++ b/init/do_mounts_initrd.c
-@@ -53,13 +53,13 @@ static void __init handle_initrd(void)
- create_dev("/dev/root.old", Root_RAM0);
- /* mount initrd on rootfs' /root */
- mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
-- sys_mkdir("/old", 0700);
-- root_fd = sys_open("/", 0, 0);
-- old_fd = sys_open("/old", 0, 0);
-+ sys_mkdir((const char __force_user *)"/old", 0700);
-+ root_fd = sys_open((const char __force_user *)"/", 0, 0);
-+ old_fd = sys_open((const char __force_user *)"/old", 0, 0);
- /* move initrd over / and chdir/chroot in initrd root */
-- sys_chdir("/root");
-- sys_mount(".", "/", NULL, MS_MOVE, NULL);
-- sys_chroot(".");
-+ sys_chdir((const char __force_user *)"/root");
-+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
-+ sys_chroot((const char __force_user *)".");
-
- /*
- * In case that a resume from disk is carried out by linuxrc or one of
-@@ -76,15 +76,15 @@ static void __init handle_initrd(void)
-
- /* move initrd to rootfs' /old */
- sys_fchdir(old_fd);
-- sys_mount("/", ".", NULL, MS_MOVE, NULL);
-+ sys_mount((char __force_user *)"/", (char __force_user *)".", NULL, MS_MOVE, NULL);
- /* switch root and cwd back to / of rootfs */
- sys_fchdir(root_fd);
-- sys_chroot(".");
-+ sys_chroot((const char __force_user *)".");
- sys_close(old_fd);
- sys_close(root_fd);
-
- if (new_decode_dev(real_root_dev) == Root_RAM0) {
-- sys_chdir("/old");
-+ sys_chdir((const char __force_user *)"/old");
- return;
- }
-
-@@ -92,17 +92,17 @@ static void __init handle_initrd(void)
- mount_root();
-
- printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
-- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
-+ error = sys_mount((char __force_user *)"/old", (char __force_user *)"/root/initrd", NULL, MS_MOVE, NULL);
- if (!error)
- printk("okay\n");
- else {
-- int fd = sys_open("/dev/root.old", O_RDWR, 0);
-+ int fd = sys_open((const char __force_user *)"/dev/root.old", O_RDWR, 0);
- if (error == -ENOENT)
- printk("/initrd does not exist. Ignored.\n");
- else
- printk("failed\n");
- printk(KERN_NOTICE "Unmounting old root\n");
-- sys_umount("/old", MNT_DETACH);
-+ sys_umount((char __force_user *)"/old", MNT_DETACH);
- printk(KERN_NOTICE "Trying to free ramdisk memory ... ");
- if (fd < 0) {
- error = fd;
-@@ -125,11 +125,11 @@ int __init initrd_load(void)
- * mounted in the normal path.
- */
- if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) {
-- sys_unlink("/initrd.image");
-+ sys_unlink((const char __force_user *)"/initrd.image");
- handle_initrd();
- return 1;
- }
- }
-- sys_unlink("/initrd.image");
-+ sys_unlink((const char __force_user *)"/initrd.image");
- return 0;
- }
-diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
-index 8cb6db5..d729f50 100644
---- a/init/do_mounts_md.c
-+++ b/init/do_mounts_md.c
-@@ -180,7 +180,7 @@ static void __init md_setup_drive(void)
- partitioned ? "_d" : "", minor,
- md_setup_args[ent].device_names);
-
-- fd = sys_open(name, 0, 0);
-+ fd = sys_open((char __force_user *)name, 0, 0);
- if (fd < 0) {
- printk(KERN_ERR "md: open failed - cannot start "
- "array %s\n", name);
-@@ -243,7 +243,7 @@ static void __init md_setup_drive(void)
- * array without it
- */
- sys_close(fd);
-- fd = sys_open(name, 0, 0);
-+ fd = sys_open((char __force_user *)name, 0, 0);
- sys_ioctl(fd, BLKRRPART, 0);
- }
- sys_close(fd);
-@@ -293,7 +293,7 @@ static void __init autodetect_raid(void)
-
- wait_for_device_probe();
-
-- fd = sys_open("/dev/md0", 0, 0);
-+ fd = sys_open((const char __force_user *) "/dev/md0", 0, 0);
- if (fd >= 0) {
- sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
- sys_close(fd);
-diff --git a/init/init_task.c b/init/init_task.c
-index 8b2f399..f0797c9 100644
---- a/init/init_task.c
-+++ b/init/init_task.c
-@@ -20,5 +20,9 @@ EXPORT_SYMBOL(init_task);
- * Initial thread structure. Alignment of this is handled by a special
- * linker map entry.
- */
-+#ifdef CONFIG_X86
-+union thread_union init_thread_union __init_task_data;
-+#else
- union thread_union init_thread_union __init_task_data =
- { INIT_THREAD_INFO(init_task) };
-+#endif
-diff --git a/init/initramfs.c b/init/initramfs.c
-index 84c6bf1..8899338 100644
---- a/init/initramfs.c
-+++ b/init/initramfs.c
-@@ -84,7 +84,7 @@ static void __init free_hash(void)
- }
- }
-
--static long __init do_utime(char *filename, time_t mtime)
-+static long __init do_utime(char __force_user *filename, time_t mtime)
- {
- struct timespec t[2];
-
-@@ -119,7 +119,7 @@ static void __init dir_utime(void)
- struct dir_entry *de, *tmp;
- list_for_each_entry_safe(de, tmp, &dir_list, list) {
- list_del(&de->list);
-- do_utime(de->name, de->mtime);
-+ do_utime((char __force_user *)de->name, de->mtime);
- kfree(de->name);
- kfree(de);
- }
-@@ -281,7 +281,7 @@ static int __init maybe_link(void)
- if (nlink >= 2) {
- char *old = find_link(major, minor, ino, mode, collected);
- if (old)
-- return (sys_link(old, collected) < 0) ? -1 : 1;
-+ return (sys_link((char __force_user *)old, (char __force_user *)collected) < 0) ? -1 : 1;
- }
- return 0;
- }
-@@ -290,11 +290,11 @@ static void __init clean_path(char *path, umode_t mode)
- {
- struct stat st;
-
-- if (!sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) {
-+ if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode^mode) & S_IFMT) {
- if (S_ISDIR(st.st_mode))
-- sys_rmdir(path);
-+ sys_rmdir((char __force_user *)path);
- else
-- sys_unlink(path);
-+ sys_unlink((char __force_user *)path);
- }
- }
-
-@@ -315,7 +315,7 @@ static int __init do_name(void)
- int openflags = O_WRONLY|O_CREAT;
- if (ml != 1)
- openflags |= O_TRUNC;
-- wfd = sys_open(collected, openflags, mode);
-+ wfd = sys_open((char __force_user *)collected, openflags, mode);
-
- if (wfd >= 0) {
- sys_fchown(wfd, uid, gid);
-@@ -327,17 +327,17 @@ static int __init do_name(void)
- }
- }
- } else if (S_ISDIR(mode)) {
-- sys_mkdir(collected, mode);
-- sys_chown(collected, uid, gid);
-- sys_chmod(collected, mode);
-+ sys_mkdir((char __force_user *)collected, mode);
-+ sys_chown((char __force_user *)collected, uid, gid);
-+ sys_chmod((char __force_user *)collected, mode);
- dir_add(collected, mtime);
- } else if (S_ISBLK(mode) || S_ISCHR(mode) ||
- S_ISFIFO(mode) || S_ISSOCK(mode)) {
- if (maybe_link() == 0) {
-- sys_mknod(collected, mode, rdev);
-- sys_chown(collected, uid, gid);
-- sys_chmod(collected, mode);
-- do_utime(collected, mtime);
-+ sys_mknod((char __force_user *)collected, mode, rdev);
-+ sys_chown((char __force_user *)collected, uid, gid);
-+ sys_chmod((char __force_user *)collected, mode);
-+ do_utime((char __force_user *)collected, mtime);
- }
- }
- return 0;
-@@ -346,15 +346,15 @@ static int __init do_name(void)
- static int __init do_copy(void)
- {
- if (count >= body_len) {
-- sys_write(wfd, victim, body_len);
-+ sys_write(wfd, (char __force_user *)victim, body_len);
- sys_close(wfd);
-- do_utime(vcollected, mtime);
-+ do_utime((char __force_user *)vcollected, mtime);
- kfree(vcollected);
- eat(body_len);
- state = SkipIt;
- return 0;
- } else {
-- sys_write(wfd, victim, count);
-+ sys_write(wfd, (char __force_user *)victim, count);
- body_len -= count;
- eat(count);
- return 1;
-@@ -365,9 +365,9 @@ static int __init do_symlink(void)
- {
- collected[N_ALIGN(name_len) + body_len] = '\0';
- clean_path(collected, 0);
-- sys_symlink(collected + N_ALIGN(name_len), collected);
-- sys_lchown(collected, uid, gid);
-- do_utime(collected, mtime);
-+ sys_symlink((char __force_user *)collected + N_ALIGN(name_len), (char __force_user *)collected);
-+ sys_lchown((char __force_user *)collected, uid, gid);
-+ do_utime((char __force_user *)collected, mtime);
- state = SkipIt;
- next_state = Reset;
- return 0;
-diff --git a/init/main.c b/init/main.c
-index b5cc0a7..5605c91 100644
---- a/init/main.c
-+++ b/init/main.c
-@@ -95,6 +95,8 @@ static inline void mark_rodata_ro(void) { }
- extern void tc_init(void);
- #endif
-
-+extern void grsecurity_init(void);
-+
- /*
- * Debug helper: via this flag we know that we are in 'early bootup code'
- * where only the boot processor is running with IRQ disabled. This means
-@@ -148,6 +150,49 @@ static int __init set_reset_devices(char *str)
-
- __setup("reset_devices", set_reset_devices);
-
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+extern char pax_enter_kernel_user[];
-+extern char pax_exit_kernel_user[];
-+extern pgdval_t clone_pgd_mask;
-+#endif
-+
-+#if defined(CONFIG_X86) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+static int __init setup_pax_nouderef(char *str)
-+{
-+#ifdef CONFIG_X86_32
-+ unsigned int cpu;
-+ struct desc_struct *gdt;
-+
-+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
-+ gdt = get_cpu_gdt_table(cpu);
-+ gdt[GDT_ENTRY_KERNEL_DS].type = 3;
-+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
-+ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf;
-+ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf;
-+ }
-+ asm("mov %0, %%ds; mov %0, %%es; mov %0, %%ss" : : "r" (__KERNEL_DS) : "memory");
-+#else
-+ memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1);
-+ memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1);
-+ clone_pgd_mask = ~(pgdval_t)0UL;
-+#endif
-+
-+ return 0;
-+}
-+early_param("pax_nouderef", setup_pax_nouderef);
-+#endif
-+
-+#ifdef CONFIG_PAX_SOFTMODE
-+int pax_softmode;
-+
-+static int __init setup_pax_softmode(char *str)
-+{
-+ get_option(&str, &pax_softmode);
-+ return 1;
-+}
-+__setup("pax_softmode=", setup_pax_softmode);
-+#endif
-+
- static const char * argv_init[MAX_INIT_ARGS+2] = { "init", NULL, };
- const char * envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
- static const char *panic_later, *panic_param;
-@@ -674,6 +719,7 @@ int __init_or_module do_one_initcall(initcall_t fn)
- {
- int count = preempt_count();
- int ret;
-+ const char *msg1 = "", *msg2 = "";
-
- if (initcall_debug)
- ret = do_one_initcall_debug(fn);
-@@ -686,15 +732,15 @@ int __init_or_module do_one_initcall(initcall_t fn)
- sprintf(msgbuf, "error code %d ", ret);
-
- if (preempt_count() != count) {
-- strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
-+ msg1 = " preemption imbalance";
- preempt_count() = count;
- }
- if (irqs_disabled()) {
-- strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
-+ msg2 = " disabled interrupts";
- local_irq_enable();
- }
-- if (msgbuf[0]) {
-- printk("initcall %pF returned with %s\n", fn, msgbuf);
-+ if (msgbuf[0] || *msg1 || *msg2) {
-+ printk("initcall %pF returned with %s%s%s\n", fn, msgbuf, msg1, msg2);
- }
-
- return ret;
-@@ -747,8 +793,14 @@ static void __init do_initcall_level(int level)
- level, level,
- &repair_env_string);
-
-- for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
-+ for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) {
- do_one_initcall(*fn);
-+
-+#ifdef CONFIG_PAX_LATENT_ENTROPY
-+ transfer_latent_entropy();
-+#endif
-+
-+ }
- }
-
- static void __init do_initcalls(void)
-@@ -782,8 +834,14 @@ static void __init do_pre_smp_initcalls(void)
- {
- initcall_t *fn;
-
-- for (fn = __initcall_start; fn < __initcall0_start; fn++)
-+ for (fn = __initcall_start; fn < __initcall0_start; fn++) {
- do_one_initcall(*fn);
-+
-+#ifdef CONFIG_PAX_LATENT_ENTROPY
-+ transfer_latent_entropy();
-+#endif
-+
-+ }
- }
-
- static void run_init_process(const char *init_filename)
-@@ -865,7 +923,7 @@ static int __init kernel_init(void * unused)
- do_basic_setup();
-
- /* Open the /dev/console on the rootfs, this should never fail */
-- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
-+ if (sys_open((const char __force_user *) "/dev/console", O_RDWR, 0) < 0)
- printk(KERN_WARNING "Warning: unable to open an initial console.\n");
-
- (void) sys_dup(0);
-@@ -878,11 +936,13 @@ static int __init kernel_init(void * unused)
- if (!ramdisk_execute_command)
- ramdisk_execute_command = "/init";
-
-- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
-+ if (sys_access((const char __force_user *) ramdisk_execute_command, 0) != 0) {
- ramdisk_execute_command = NULL;
- prepare_namespace();
- }
-
-+ grsecurity_init();
-+
- /*
- * Ok, we have completed the initial bootup, and
- * we're essentially up and running. Get rid of the
-diff --git a/ipc/mqueue.c b/ipc/mqueue.c
-index 8ce5769..4666884 100644
---- a/ipc/mqueue.c
-+++ b/ipc/mqueue.c
-@@ -279,6 +279,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
- mq_bytes = mq_treesize + (info->attr.mq_maxmsg *
- info->attr.mq_msgsize);
-
-+ gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1);
- spin_lock(&mq_lock);
- if (u->mq_bytes + mq_bytes < u->mq_bytes ||
- u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
-diff --git a/ipc/msg.c b/ipc/msg.c
-index 7385de2..a8180e08 100644
---- a/ipc/msg.c
-+++ b/ipc/msg.c
-@@ -309,18 +309,19 @@ static inline int msg_security(struct kern_ipc_perm *ipcp, int msgflg)
- return security_msg_queue_associate(msq, msgflg);
- }
-
-+static struct ipc_ops msg_ops = {
-+ .getnew = newque,
-+ .associate = msg_security,
-+ .more_checks = NULL
-+};
-+
- SYSCALL_DEFINE2(msgget, key_t, key, int, msgflg)
- {
- struct ipc_namespace *ns;
-- struct ipc_ops msg_ops;
- struct ipc_params msg_params;
-
- ns = current->nsproxy->ipc_ns;
-
-- msg_ops.getnew = newque;
-- msg_ops.associate = msg_security;
-- msg_ops.more_checks = NULL;
--
- msg_params.key = key;
- msg_params.flg = msgflg;
-
-diff --git a/ipc/sem.c b/ipc/sem.c
-index 5215a81..cfc0cac 100644
---- a/ipc/sem.c
-+++ b/ipc/sem.c
-@@ -364,10 +364,15 @@ static inline int sem_more_checks(struct kern_ipc_perm *ipcp,
- return 0;
- }
-
-+static struct ipc_ops sem_ops = {
-+ .getnew = newary,
-+ .associate = sem_security,
-+ .more_checks = sem_more_checks
-+};
-+
- SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg)
- {
- struct ipc_namespace *ns;
-- struct ipc_ops sem_ops;
- struct ipc_params sem_params;
-
- ns = current->nsproxy->ipc_ns;
-@@ -375,10 +380,6 @@ SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg)
- if (nsems < 0 || nsems > ns->sc_semmsl)
- return -EINVAL;
-
-- sem_ops.getnew = newary;
-- sem_ops.associate = sem_security;
-- sem_ops.more_checks = sem_more_checks;
--
- sem_params.key = key;
- sem_params.flg = semflg;
- sem_params.u.nsems = nsems;
-diff --git a/ipc/shm.c b/ipc/shm.c
-index 41c1285..cf6404c 100644
---- a/ipc/shm.c
-+++ b/ipc/shm.c
-@@ -69,6 +69,14 @@ static void shm_destroy (struct ipc_namespace *ns, struct shmid_kernel *shp);
- static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
- #endif
-
-+#ifdef CONFIG_GRKERNSEC
-+extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
-+ const time_t shm_createtime, const uid_t cuid,
-+ const int shmid);
-+extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
-+ const time_t shm_createtime);
-+#endif
-+
- void shm_init_ns(struct ipc_namespace *ns)
- {
- ns->shm_ctlmax = SHMMAX;
-@@ -520,6 +528,14 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
- shp->shm_lprid = 0;
- shp->shm_atim = shp->shm_dtim = 0;
- shp->shm_ctim = get_seconds();
-+#ifdef CONFIG_GRKERNSEC
-+ {
-+ struct timespec timeval;
-+ do_posix_clock_monotonic_gettime(&timeval);
-+
-+ shp->shm_createtime = timeval.tv_sec;
-+ }
-+#endif
- shp->shm_segsz = size;
- shp->shm_nattch = 0;
- shp->shm_file = file;
-@@ -571,18 +587,19 @@ static inline int shm_more_checks(struct kern_ipc_perm *ipcp,
- return 0;
- }
-
-+static struct ipc_ops shm_ops = {
-+ .getnew = newseg,
-+ .associate = shm_security,
-+ .more_checks = shm_more_checks
-+};
-+
- SYSCALL_DEFINE3(shmget, key_t, key, size_t, size, int, shmflg)
- {
- struct ipc_namespace *ns;
-- struct ipc_ops shm_ops;
- struct ipc_params shm_params;
-
- ns = current->nsproxy->ipc_ns;
-
-- shm_ops.getnew = newseg;
-- shm_ops.associate = shm_security;
-- shm_ops.more_checks = shm_more_checks;
--
- shm_params.key = key;
- shm_params.flg = shmflg;
- shm_params.u.size = size;
-@@ -1000,6 +1017,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
- f_mode = FMODE_READ | FMODE_WRITE;
- }
- if (shmflg & SHM_EXEC) {
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (current->mm->pax_flags & MF_PAX_MPROTECT)
-+ goto out;
-+#endif
-+
- prot |= PROT_EXEC;
- acc_mode |= S_IXUGO;
- }
-@@ -1023,9 +1046,21 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
- if (err)
- goto out_unlock;
-
-+#ifdef CONFIG_GRKERNSEC
-+ if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime,
-+ shp->shm_perm.cuid, shmid) ||
-+ !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) {
-+ err = -EACCES;
-+ goto out_unlock;
-+ }
-+#endif
-+
- path = shp->shm_file->f_path;
- path_get(&path);
- shp->shm_nattch++;
-+#ifdef CONFIG_GRKERNSEC
-+ shp->shm_lapid = current->pid;
-+#endif
- size = i_size_read(path.dentry->d_inode);
- shm_unlock(shp);
-
-diff --git a/kernel/acct.c b/kernel/acct.c
-index 02e6167..54824f7 100644
---- a/kernel/acct.c
-+++ b/kernel/acct.c
-@@ -550,7 +550,7 @@ static void do_acct_process(struct bsd_acct_struct *acct,
- */
- flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
- current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
-- file->f_op->write(file, (char *)&ac,
-+ file->f_op->write(file, (char __force_user *)&ac,
- sizeof(acct_t), &file->f_pos);
- current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim;
- set_fs(fs);
-diff --git a/kernel/audit.c b/kernel/audit.c
-index 1c7f2c6..9ba5359 100644
---- a/kernel/audit.c
-+++ b/kernel/audit.c
-@@ -115,7 +115,7 @@ u32 audit_sig_sid = 0;
- 3) suppressed due to audit_rate_limit
- 4) suppressed due to audit_backlog_limit
- */
--static atomic_t audit_lost = ATOMIC_INIT(0);
-+static atomic_unchecked_t audit_lost = ATOMIC_INIT(0);
-
- /* The netlink socket. */
- static struct sock *audit_sock;
-@@ -237,7 +237,7 @@ void audit_log_lost(const char *message)
- unsigned long now;
- int print;
-
-- atomic_inc(&audit_lost);
-+ atomic_inc_unchecked(&audit_lost);
-
- print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit);
-
-@@ -256,7 +256,7 @@ void audit_log_lost(const char *message)
- printk(KERN_WARNING
- "audit: audit_lost=%d audit_rate_limit=%d "
- "audit_backlog_limit=%d\n",
-- atomic_read(&audit_lost),
-+ atomic_read_unchecked(&audit_lost),
- audit_rate_limit,
- audit_backlog_limit);
- audit_panic(message);
-@@ -689,7 +689,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
- status_set.pid = audit_pid;
- status_set.rate_limit = audit_rate_limit;
- status_set.backlog_limit = audit_backlog_limit;
-- status_set.lost = atomic_read(&audit_lost);
-+ status_set.lost = atomic_read_unchecked(&audit_lost);
- status_set.backlog = skb_queue_len(&audit_skb_queue);
- audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_GET, 0, 0,
- &status_set, sizeof(status_set));
-diff --git a/kernel/auditsc.c b/kernel/auditsc.c
-index 4b96415..d8c16ee 100644
---- a/kernel/auditsc.c
-+++ b/kernel/auditsc.c
-@@ -2289,7 +2289,7 @@ int auditsc_get_stamp(struct audit_context *ctx,
- }
-
- /* global counter which is incremented every time something logs in */
--static atomic_t session_id = ATOMIC_INIT(0);
-+static atomic_unchecked_t session_id = ATOMIC_INIT(0);
-
- /**
- * audit_set_loginuid - set current task's audit_context loginuid
-@@ -2313,7 +2313,7 @@ int audit_set_loginuid(uid_t loginuid)
- return -EPERM;
- #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
-
-- sessionid = atomic_inc_return(&session_id);
-+ sessionid = atomic_inc_return_unchecked(&session_id);
- if (context && context->in_syscall) {
- struct audit_buffer *ab;
-
-diff --git a/kernel/capability.c b/kernel/capability.c
-index 493d972..ea17248 100644
---- a/kernel/capability.c
-+++ b/kernel/capability.c
-@@ -202,6 +202,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr)
- * before modification is attempted and the application
- * fails.
- */
-+ if (tocopy > ARRAY_SIZE(kdata))
-+ return -EFAULT;
-+
- if (copy_to_user(dataptr, kdata, tocopy
- * sizeof(struct __user_cap_data_struct))) {
- return -EFAULT;
-@@ -303,10 +306,11 @@ bool has_ns_capability(struct task_struct *t,
- int ret;
-
- rcu_read_lock();
-- ret = security_capable(__task_cred(t), ns, cap);
-+ ret = security_capable(__task_cred(t), ns, cap) == 0 &&
-+ gr_task_is_capable(t, __task_cred(t), cap);
- rcu_read_unlock();
-
-- return (ret == 0);
-+ return ret;
- }
-
- /**
-@@ -343,10 +347,10 @@ bool has_ns_capability_noaudit(struct task_struct *t,
- int ret;
-
- rcu_read_lock();
-- ret = security_capable_noaudit(__task_cred(t), ns, cap);
-+ ret = security_capable_noaudit(__task_cred(t), ns, cap) == 0 && gr_task_is_capable_nolog(t, cap);
- rcu_read_unlock();
-
-- return (ret == 0);
-+ return ret;
- }
-
- /**
-@@ -384,7 +388,7 @@ bool ns_capable(struct user_namespace *ns, int cap)
- BUG();
- }
-
-- if (security_capable(current_cred(), ns, cap) == 0) {
-+ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable(cap)) {
- current->flags |= PF_SUPERPRIV;
- return true;
- }
-@@ -392,6 +396,21 @@ bool ns_capable(struct user_namespace *ns, int cap)
- }
- EXPORT_SYMBOL(ns_capable);
-
-+bool ns_capable_nolog(struct user_namespace *ns, int cap)
-+{
-+ if (unlikely(!cap_valid(cap))) {
-+ printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap);
-+ BUG();
-+ }
-+
-+ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable_nolog(cap)) {
-+ current->flags |= PF_SUPERPRIV;
-+ return true;
-+ }
-+ return false;
-+}
-+EXPORT_SYMBOL(ns_capable_nolog);
-+
- /**
- * capable - Determine if the current task has a superior capability in effect
- * @cap: The capability to be tested for
-@@ -408,6 +427,12 @@ bool capable(int cap)
- }
- EXPORT_SYMBOL(capable);
-
-+bool capable_nolog(int cap)
-+{
-+ return ns_capable_nolog(&init_user_ns, cap);
-+}
-+EXPORT_SYMBOL(capable_nolog);
-+
- /**
- * nsown_capable - Check superior capability to one's own user_ns
- * @cap: The capability in question
-@@ -440,3 +465,10 @@ bool inode_capable(const struct inode *inode, int cap)
-
- return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid);
- }
-+
-+bool inode_capable_nolog(const struct inode *inode, int cap)
-+{
-+ struct user_namespace *ns = current_user_ns();
-+
-+ return ns_capable_nolog(ns, cap) && kuid_has_mapping(ns, inode->i_uid);
-+}
-diff --git a/kernel/compat.c b/kernel/compat.c
-index c28a306..b4d0cf3 100644
---- a/kernel/compat.c
-+++ b/kernel/compat.c
-@@ -13,6 +13,7 @@
-
- #include <linux/linkage.h>
- #include <linux/compat.h>
-+#include <linux/module.h>
- #include <linux/errno.h>
- #include <linux/time.h>
- #include <linux/signal.h>
-@@ -220,7 +221,7 @@ static long compat_nanosleep_restart(struct restart_block *restart)
- mm_segment_t oldfs;
- long ret;
-
-- restart->nanosleep.rmtp = (struct timespec __user *) &rmt;
-+ restart->nanosleep.rmtp = (struct timespec __force_user *) &rmt;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- ret = hrtimer_nanosleep_restart(restart);
-@@ -252,7 +253,7 @@ asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- ret = hrtimer_nanosleep(&tu,
-- rmtp ? (struct timespec __user *)&rmt : NULL,
-+ rmtp ? (struct timespec __force_user *)&rmt : NULL,
- HRTIMER_MODE_REL, CLOCK_MONOTONIC);
- set_fs(oldfs);
-
-@@ -361,7 +362,7 @@ asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set)
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
-- ret = sys_sigpending((old_sigset_t __user *) &s);
-+ ret = sys_sigpending((old_sigset_t __force_user *) &s);
- set_fs(old_fs);
- if (ret == 0)
- ret = put_user(s, set);
-@@ -451,7 +452,7 @@ asmlinkage long compat_sys_old_getrlimit(unsigned int resource,
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
-- ret = sys_old_getrlimit(resource, &r);
-+ ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r);
- set_fs(old_fs);
-
- if (!ret) {
-@@ -523,7 +524,7 @@ asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru)
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
-- ret = sys_getrusage(who, (struct rusage __user *) &r);
-+ ret = sys_getrusage(who, (struct rusage __force_user *) &r);
- set_fs(old_fs);
-
- if (ret)
-@@ -550,8 +551,8 @@ compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
- set_fs (KERNEL_DS);
- ret = sys_wait4(pid,
- (stat_addr ?
-- (unsigned int __user *) &status : NULL),
-- options, (struct rusage __user *) &r);
-+ (unsigned int __force_user *) &status : NULL),
-+ options, (struct rusage __force_user *) &r);
- set_fs (old_fs);
-
- if (ret > 0) {
-@@ -576,8 +577,8 @@ asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
- memset(&info, 0, sizeof(info));
-
- set_fs(KERNEL_DS);
-- ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options,
-- uru ? (struct rusage __user *)&ru : NULL);
-+ ret = sys_waitid(which, pid, (siginfo_t __force_user *)&info, options,
-+ uru ? (struct rusage __force_user *)&ru : NULL);
- set_fs(old_fs);
-
- if ((ret < 0) || (info.si_signo == 0))
-@@ -707,8 +708,8 @@ long compat_sys_timer_settime(timer_t timer_id, int flags,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_timer_settime(timer_id, flags,
-- (struct itimerspec __user *) &newts,
-- (struct itimerspec __user *) &oldts);
-+ (struct itimerspec __force_user *) &newts,
-+ (struct itimerspec __force_user *) &oldts);
- set_fs(oldfs);
- if (!err && old && put_compat_itimerspec(old, &oldts))
- return -EFAULT;
-@@ -725,7 +726,7 @@ long compat_sys_timer_gettime(timer_t timer_id,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_timer_gettime(timer_id,
-- (struct itimerspec __user *) &ts);
-+ (struct itimerspec __force_user *) &ts);
- set_fs(oldfs);
- if (!err && put_compat_itimerspec(setting, &ts))
- return -EFAULT;
-@@ -744,7 +745,7 @@ long compat_sys_clock_settime(clockid_t which_clock,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_clock_settime(which_clock,
-- (struct timespec __user *) &ts);
-+ (struct timespec __force_user *) &ts);
- set_fs(oldfs);
- return err;
- }
-@@ -759,7 +760,7 @@ long compat_sys_clock_gettime(clockid_t which_clock,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_clock_gettime(which_clock,
-- (struct timespec __user *) &ts);
-+ (struct timespec __force_user *) &ts);
- set_fs(oldfs);
- if (!err && put_compat_timespec(&ts, tp))
- return -EFAULT;
-@@ -779,7 +780,7 @@ long compat_sys_clock_adjtime(clockid_t which_clock,
-
- oldfs = get_fs();
- set_fs(KERNEL_DS);
-- ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc);
-+ ret = sys_clock_adjtime(which_clock, (struct timex __force_user *) &txc);
- set_fs(oldfs);
-
- err = compat_put_timex(utp, &txc);
-@@ -799,7 +800,7 @@ long compat_sys_clock_getres(clockid_t which_clock,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_clock_getres(which_clock,
-- (struct timespec __user *) &ts);
-+ (struct timespec __force_user *) &ts);
- set_fs(oldfs);
- if (!err && tp && put_compat_timespec(&ts, tp))
- return -EFAULT;
-@@ -811,9 +812,9 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart)
- long err;
- mm_segment_t oldfs;
- struct timespec tu;
-- struct compat_timespec *rmtp = restart->nanosleep.compat_rmtp;
-+ struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp;
-
-- restart->nanosleep.rmtp = (struct timespec __user *) &tu;
-+ restart->nanosleep.rmtp = (struct timespec __force_user *) &tu;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = clock_nanosleep_restart(restart);
-@@ -845,8 +846,8 @@ long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_clock_nanosleep(which_clock, flags,
-- (struct timespec __user *) &in,
-- (struct timespec __user *) &out);
-+ (struct timespec __force_user *) &in,
-+ (struct timespec __force_user *) &out);
- set_fs(oldfs);
-
- if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&
-diff --git a/kernel/configs.c b/kernel/configs.c
-index 42e8fa0..9e7406b 100644
---- a/kernel/configs.c
-+++ b/kernel/configs.c
-@@ -74,8 +74,19 @@ static int __init ikconfig_init(void)
- struct proc_dir_entry *entry;
-
- /* create the current config file */
-+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
-+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM)
-+ entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL,
-+ &ikconfig_file_ops);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL,
-+ &ikconfig_file_ops);
-+#endif
-+#else
- entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
- &ikconfig_file_ops);
-+#endif
-+
- if (!entry)
- return -ENOMEM;
-
-diff --git a/kernel/cred.c b/kernel/cred.c
-index de728ac..e3c267c 100644
---- a/kernel/cred.c
-+++ b/kernel/cred.c
-@@ -207,6 +207,16 @@ void exit_creds(struct task_struct *tsk)
- validate_creds(cred);
- alter_cred_subscribers(cred, -1);
- put_cred(cred);
-+
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ cred = (struct cred *) tsk->delayed_cred;
-+ if (cred != NULL) {
-+ tsk->delayed_cred = NULL;
-+ validate_creds(cred);
-+ alter_cred_subscribers(cred, -1);
-+ put_cred(cred);
-+ }
-+#endif
- }
-
- /**
-@@ -469,7 +479,7 @@ error_put:
- * Always returns 0 thus allowing this function to be tail-called at the end
- * of, say, sys_setgid().
- */
--int commit_creds(struct cred *new)
-+static int __commit_creds(struct cred *new)
- {
- struct task_struct *task = current;
- const struct cred *old = task->real_cred;
-@@ -488,6 +498,8 @@ int commit_creds(struct cred *new)
-
- get_cred(new); /* we will require a ref for the subj creds too */
-
-+ gr_set_role_label(task, new->uid, new->gid);
-+
- /* dumpability changes */
- if (!uid_eq(old->euid, new->euid) ||
- !gid_eq(old->egid, new->egid) ||
-@@ -537,6 +549,101 @@ int commit_creds(struct cred *new)
- put_cred(old);
- return 0;
- }
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+extern int set_user(struct cred *new);
-+
-+void gr_delayed_cred_worker(void)
-+{
-+ const struct cred *new = current->delayed_cred;
-+ struct cred *ncred;
-+
-+ current->delayed_cred = NULL;
-+
-+ if (current_uid() && new != NULL) {
-+ // from doing get_cred on it when queueing this
-+ put_cred(new);
-+ return;
-+ } else if (new == NULL)
-+ return;
-+
-+ ncred = prepare_creds();
-+ if (!ncred)
-+ goto die;
-+ // uids
-+ ncred->uid = new->uid;
-+ ncred->euid = new->euid;
-+ ncred->suid = new->suid;
-+ ncred->fsuid = new->fsuid;
-+ // gids
-+ ncred->gid = new->gid;
-+ ncred->egid = new->egid;
-+ ncred->sgid = new->sgid;
-+ ncred->fsgid = new->fsgid;
-+ // groups
-+ if (set_groups(ncred, new->group_info) < 0) {
-+ abort_creds(ncred);
-+ goto die;
-+ }
-+ // caps
-+ ncred->securebits = new->securebits;
-+ ncred->cap_inheritable = new->cap_inheritable;
-+ ncred->cap_permitted = new->cap_permitted;
-+ ncred->cap_effective = new->cap_effective;
-+ ncred->cap_bset = new->cap_bset;
-+
-+ if (set_user(ncred)) {
-+ abort_creds(ncred);
-+ goto die;
-+ }
-+
-+ // from doing get_cred on it when queueing this
-+ put_cred(new);
-+
-+ __commit_creds(ncred);
-+ return;
-+die:
-+ // from doing get_cred on it when queueing this
-+ put_cred(new);
-+ do_group_exit(SIGKILL);
-+}
-+#endif
-+
-+int commit_creds(struct cred *new)
-+{
-+#ifdef CONFIG_GRKERNSEC_SETXID
-+ int ret;
-+ int schedule_it = 0;
-+ struct task_struct *t;
-+
-+ /* we won't get called with tasklist_lock held for writing
-+ and interrupts disabled as the cred struct in that case is
-+ init_cred
-+ */
-+ if (grsec_enable_setxid && !current_is_single_threaded() &&
-+ !current_uid() && new->uid) {
-+ schedule_it = 1;
-+ }
-+ ret = __commit_creds(new);
-+ if (schedule_it) {
-+ rcu_read_lock();
-+ read_lock(&tasklist_lock);
-+ for (t = next_thread(current); t != current;
-+ t = next_thread(t)) {
-+ if (t->delayed_cred == NULL) {
-+ t->delayed_cred = get_cred(new);
-+ set_tsk_thread_flag(t, TIF_GRSEC_SETXID);
-+ set_tsk_need_resched(t);
-+ }
-+ }
-+ read_unlock(&tasklist_lock);
-+ rcu_read_unlock();
-+ }
-+ return ret;
-+#else
-+ return __commit_creds(new);
-+#endif
-+}
-+
- EXPORT_SYMBOL(commit_creds);
-
- /**
-diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
-index 0557f24..1a00d9a 100644
---- a/kernel/debug/debug_core.c
-+++ b/kernel/debug/debug_core.c
-@@ -122,7 +122,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_lock);
- */
- static atomic_t masters_in_kgdb;
- static atomic_t slaves_in_kgdb;
--static atomic_t kgdb_break_tasklet_var;
-+static atomic_unchecked_t kgdb_break_tasklet_var;
- atomic_t kgdb_setting_breakpoint;
-
- struct task_struct *kgdb_usethread;
-@@ -132,7 +132,7 @@ int kgdb_single_step;
- static pid_t kgdb_sstep_pid;
-
- /* to keep track of the CPU which is doing the single stepping*/
--atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
-+atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
-
- /*
- * If you are debugging a problem where roundup (the collection of
-@@ -540,7 +540,7 @@ return_normal:
- * kernel will only try for the value of sstep_tries before
- * giving up and continuing on.
- */
-- if (atomic_read(&kgdb_cpu_doing_single_step) != -1 &&
-+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 &&
- (kgdb_info[cpu].task &&
- kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
- atomic_set(&kgdb_active, -1);
-@@ -634,8 +634,8 @@ cpu_master_loop:
- }
-
- kgdb_restore:
-- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
-- int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step);
-+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
-+ int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step);
- if (kgdb_info[sstep_cpu].task)
- kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid;
- else
-@@ -861,18 +861,18 @@ static void kgdb_unregister_callbacks(void)
- static void kgdb_tasklet_bpt(unsigned long ing)
- {
- kgdb_breakpoint();
-- atomic_set(&kgdb_break_tasklet_var, 0);
-+ atomic_set_unchecked(&kgdb_break_tasklet_var, 0);
- }
-
- static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0);
-
- void kgdb_schedule_breakpoint(void)
- {
-- if (atomic_read(&kgdb_break_tasklet_var) ||
-+ if (atomic_read_unchecked(&kgdb_break_tasklet_var) ||
- atomic_read(&kgdb_active) != -1 ||
- atomic_read(&kgdb_setting_breakpoint))
- return;
-- atomic_inc(&kgdb_break_tasklet_var);
-+ atomic_inc_unchecked(&kgdb_break_tasklet_var);
- tasklet_schedule(&kgdb_tasklet_breakpoint);
- }
- EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint);
-diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
-index 1f91413..362a0a1 100644
---- a/kernel/debug/kdb/kdb_main.c
-+++ b/kernel/debug/kdb/kdb_main.c
-@@ -1984,7 +1984,7 @@ static int kdb_lsmod(int argc, const char **argv)
- list_for_each_entry(mod, kdb_modules, list) {
-
- kdb_printf("%-20s%8u 0x%p ", mod->name,
-- mod->core_size, (void *)mod);
-+ mod->core_size_rx + mod->core_size_rw, (void *)mod);
- #ifdef CONFIG_MODULE_UNLOAD
- kdb_printf("%4ld ", module_refcount(mod));
- #endif
-@@ -1994,7 +1994,7 @@ static int kdb_lsmod(int argc, const char **argv)
- kdb_printf(" (Loading)");
- else
- kdb_printf(" (Live)");
-- kdb_printf(" 0x%p", mod->module_core);
-+ kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw);
-
- #ifdef CONFIG_MODULE_UNLOAD
- {
-diff --git a/kernel/events/core.c b/kernel/events/core.c
-index d7d71d6..f54b76f 100644
---- a/kernel/events/core.c
-+++ b/kernel/events/core.c
-@@ -181,7 +181,7 @@ int perf_proc_update_handler(struct ctl_table *table, int write,
- return 0;
- }
-
--static atomic64_t perf_event_id;
-+static atomic64_unchecked_t perf_event_id;
-
- static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx,
- enum event_type_t event_type);
-@@ -2663,7 +2663,7 @@ static void __perf_event_read(void *info)
-
- static inline u64 perf_event_count(struct perf_event *event)
- {
-- return local64_read(&event->count) + atomic64_read(&event->child_count);
-+ return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count);
- }
-
- static u64 perf_event_read(struct perf_event *event)
-@@ -2987,9 +2987,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running)
- mutex_lock(&event->child_mutex);
- total += perf_event_read(event);
- *enabled += event->total_time_enabled +
-- atomic64_read(&event->child_total_time_enabled);
-+ atomic64_read_unchecked(&event->child_total_time_enabled);
- *running += event->total_time_running +
-- atomic64_read(&event->child_total_time_running);
-+ atomic64_read_unchecked(&event->child_total_time_running);
-
- list_for_each_entry(child, &event->child_list, child_list) {
- total += perf_event_read(child);
-@@ -3396,10 +3396,10 @@ void perf_event_update_userpage(struct perf_event *event)
- userpg->offset -= local64_read(&event->hw.prev_count);
-
- userpg->time_enabled = enabled +
-- atomic64_read(&event->child_total_time_enabled);
-+ atomic64_read_unchecked(&event->child_total_time_enabled);
-
- userpg->time_running = running +
-- atomic64_read(&event->child_total_time_running);
-+ atomic64_read_unchecked(&event->child_total_time_running);
-
- arch_perf_update_userpage(userpg, now);
-
-@@ -3832,11 +3832,11 @@ static void perf_output_read_one(struct perf_output_handle *handle,
- values[n++] = perf_event_count(event);
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
- values[n++] = enabled +
-- atomic64_read(&event->child_total_time_enabled);
-+ atomic64_read_unchecked(&event->child_total_time_enabled);
- }
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
- values[n++] = running +
-- atomic64_read(&event->child_total_time_running);
-+ atomic64_read_unchecked(&event->child_total_time_running);
- }
- if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_event_id(event);
-@@ -4514,12 +4514,12 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
- * need to add enough zero bytes after the string to handle
- * the 64bit alignment we do later.
- */
-- buf = kzalloc(PATH_MAX + sizeof(u64), GFP_KERNEL);
-+ buf = kzalloc(PATH_MAX, GFP_KERNEL);
- if (!buf) {
- name = strncpy(tmp, "//enomem", sizeof(tmp));
- goto got_name;
- }
-- name = d_path(&file->f_path, buf, PATH_MAX);
-+ name = d_path(&file->f_path, buf, PATH_MAX - sizeof(u64));
- if (IS_ERR(name)) {
- name = strncpy(tmp, "//toolong", sizeof(tmp));
- goto got_name;
-@@ -5931,7 +5931,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
- event->parent = parent_event;
-
- event->ns = get_pid_ns(current->nsproxy->pid_ns);
-- event->id = atomic64_inc_return(&perf_event_id);
-+ event->id = atomic64_inc_return_unchecked(&perf_event_id);
-
- event->state = PERF_EVENT_STATE_INACTIVE;
-
-@@ -6493,10 +6493,10 @@ static void sync_child_event(struct perf_event *child_event,
- /*
- * Add back the child's count to the parent's count:
- */
-- atomic64_add(child_val, &parent_event->child_count);
-- atomic64_add(child_event->total_time_enabled,
-+ atomic64_add_unchecked(child_val, &parent_event->child_count);
-+ atomic64_add_unchecked(child_event->total_time_enabled,
- &parent_event->child_total_time_enabled);
-- atomic64_add(child_event->total_time_running,
-+ atomic64_add_unchecked(child_event->total_time_running,
- &parent_event->child_total_time_running);
-
- /*
-diff --git a/kernel/exit.c b/kernel/exit.c
-index 46ce8da..c648f3a 100644
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -59,6 +59,10 @@
- #include <asm/pgtable.h>
- #include <asm/mmu_context.h>
-
-+#ifdef CONFIG_GRKERNSEC
-+extern rwlock_t grsec_exec_file_lock;
-+#endif
-+
- static void exit_mm(struct task_struct * tsk);
-
- static void __unhash_process(struct task_struct *p, bool group_dead)
-@@ -182,6 +186,10 @@ void release_task(struct task_struct * p)
- struct task_struct *leader;
- int zap_leader;
- repeat:
-+#ifdef CONFIG_NET
-+ gr_del_task_from_ip_table(p);
-+#endif
-+
- /* don't need to get the RCU readlock here - the process is dead and
- * can't be modifying its own credentials. But shut RCU-lockdep up */
- rcu_read_lock();
-@@ -394,7 +402,7 @@ int allow_signal(int sig)
- * know it'll be handled, so that they don't get converted to
- * SIGKILL or just silently dropped.
- */
-- current->sighand->action[(sig)-1].sa.sa_handler = (void __user *)2;
-+ current->sighand->action[(sig)-1].sa.sa_handler = (__force void __user *)2;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
- return 0;
-@@ -430,6 +438,17 @@ void daemonize(const char *name, ...)
- vsnprintf(current->comm, sizeof(current->comm), name, args);
- va_end(args);
-
-+#ifdef CONFIG_GRKERNSEC
-+ write_lock(&grsec_exec_file_lock);
-+ if (current->exec_file) {
-+ fput(current->exec_file);
-+ current->exec_file = NULL;
-+ }
-+ write_unlock(&grsec_exec_file_lock);
-+#endif
-+
-+ gr_set_kernel_label(current);
-+
- /*
- * If we were started as result of loading a module, close all of the
- * user space pages. We don't need them, and if we didn't close them
-@@ -907,6 +926,8 @@ void do_exit(long code)
- struct task_struct *tsk = current;
- int group_dead;
-
-+ set_fs(USER_DS);
-+
- profile_task_exit(tsk);
-
- WARN_ON(blk_needs_flush_plug(tsk));
-@@ -923,7 +944,6 @@ void do_exit(long code)
- * mm_release()->clear_child_tid() from writing to a user-controlled
- * kernel address.
- */
-- set_fs(USER_DS);
-
- ptrace_event(PTRACE_EVENT_EXIT, code);
-
-@@ -985,6 +1005,9 @@ void do_exit(long code)
- tsk->exit_code = code;
- taskstats_exit(tsk, group_dead);
-
-+ gr_acl_handle_psacct(tsk, code);
-+ gr_acl_handle_exit();
-+
- exit_mm(tsk);
-
- if (group_dead)
-@@ -1101,7 +1124,7 @@ SYSCALL_DEFINE1(exit, int, error_code)
- * Take down every thread in the group. This is called by fatal signals
- * as well as by sys_exit_group (below).
- */
--void
-+__noreturn void
- do_group_exit(int exit_code)
- {
- struct signal_struct *sig = current->signal;
-diff --git a/kernel/fork.c b/kernel/fork.c
-index f00e319..c212fbc 100644
---- a/kernel/fork.c
-+++ b/kernel/fork.c
-@@ -321,7 +321,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
- *stackend = STACK_END_MAGIC; /* for overflow detection */
-
- #ifdef CONFIG_CC_STACKPROTECTOR
-- tsk->stack_canary = get_random_int();
-+ tsk->stack_canary = pax_get_random_long();
- #endif
-
- /*
-@@ -345,13 +345,78 @@ out:
- }
-
- #ifdef CONFIG_MMU
-+static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct mm_struct *oldmm, struct vm_area_struct *mpnt)
-+{
-+ struct vm_area_struct *tmp;
-+ unsigned long charge;
-+ struct mempolicy *pol;
-+ struct file *file;
-+
-+ charge = 0;
-+ if (mpnt->vm_flags & VM_ACCOUNT) {
-+ unsigned long len;
-+ len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
-+ if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
-+ goto fail_nomem;
-+ charge = len;
-+ }
-+ tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
-+ if (!tmp)
-+ goto fail_nomem;
-+ *tmp = *mpnt;
-+ tmp->vm_mm = mm;
-+ INIT_LIST_HEAD(&tmp->anon_vma_chain);
-+ pol = mpol_dup(vma_policy(mpnt));
-+ if (IS_ERR(pol))
-+ goto fail_nomem_policy;
-+ vma_set_policy(tmp, pol);
-+ if (anon_vma_fork(tmp, mpnt))
-+ goto fail_nomem_anon_vma_fork;
-+ tmp->vm_flags &= ~VM_LOCKED;
-+ tmp->vm_next = tmp->vm_prev = NULL;
-+ tmp->vm_mirror = NULL;
-+ file = tmp->vm_file;
-+ if (file) {
-+ struct inode *inode = file->f_path.dentry->d_inode;
-+ struct address_space *mapping = file->f_mapping;
-+
-+ get_file(file);
-+ if (tmp->vm_flags & VM_DENYWRITE)
-+ atomic_dec(&inode->i_writecount);
-+ mutex_lock(&mapping->i_mmap_mutex);
-+ if (tmp->vm_flags & VM_SHARED)
-+ mapping->i_mmap_writable++;
-+ flush_dcache_mmap_lock(mapping);
-+ /* insert tmp into the share list, just after mpnt */
-+ vma_prio_tree_add(tmp, mpnt);
-+ flush_dcache_mmap_unlock(mapping);
-+ mutex_unlock(&mapping->i_mmap_mutex);
-+ }
-+
-+ /*
-+ * Clear hugetlb-related page reserves for children. This only
-+ * affects MAP_PRIVATE mappings. Faults generated by the child
-+ * are not guaranteed to succeed, even if read-only
-+ */
-+ if (is_vm_hugetlb_page(tmp))
-+ reset_vma_resv_huge_pages(tmp);
-+
-+ return tmp;
-+
-+fail_nomem_anon_vma_fork:
-+ mpol_put(pol);
-+fail_nomem_policy:
-+ kmem_cache_free(vm_area_cachep, tmp);
-+fail_nomem:
-+ vm_unacct_memory(charge);
-+ return NULL;
-+}
-+
- static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
- {
- struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
- struct rb_node **rb_link, *rb_parent;
- int retval;
-- unsigned long charge;
-- struct mempolicy *pol;
-
- down_write(&oldmm->mmap_sem);
- flush_cache_dup_mm(oldmm);
-@@ -363,8 +428,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
- mm->locked_vm = 0;
- mm->mmap = NULL;
- mm->mmap_cache = NULL;
-- mm->free_area_cache = oldmm->mmap_base;
-- mm->cached_hole_size = ~0UL;
-+ mm->free_area_cache = oldmm->free_area_cache;
-+ mm->cached_hole_size = oldmm->cached_hole_size;
- mm->map_count = 0;
- cpumask_clear(mm_cpumask(mm));
- mm->mm_rb = RB_ROOT;
-@@ -380,8 +445,6 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
-
- prev = NULL;
- for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {
-- struct file *file;
--
- if (mpnt->vm_flags & VM_DONTCOPY) {
- long pages = vma_pages(mpnt);
- mm->total_vm -= pages;
-@@ -389,54 +452,11 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
- -pages);
- continue;
- }
-- charge = 0;
-- if (mpnt->vm_flags & VM_ACCOUNT) {
-- unsigned long len;
-- len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
-- if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
-- goto fail_nomem;
-- charge = len;
-+ tmp = dup_vma(mm, oldmm, mpnt);
-+ if (!tmp) {
-+ retval = -ENOMEM;
-+ goto out;
- }
-- tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
-- if (!tmp)
-- goto fail_nomem;
-- *tmp = *mpnt;
-- INIT_LIST_HEAD(&tmp->anon_vma_chain);
-- pol = mpol_dup(vma_policy(mpnt));
-- retval = PTR_ERR(pol);
-- if (IS_ERR(pol))
-- goto fail_nomem_policy;
-- vma_set_policy(tmp, pol);
-- tmp->vm_mm = mm;
-- if (anon_vma_fork(tmp, mpnt))
-- goto fail_nomem_anon_vma_fork;
-- tmp->vm_flags &= ~VM_LOCKED;
-- tmp->vm_next = tmp->vm_prev = NULL;
-- file = tmp->vm_file;
-- if (file) {
-- struct inode *inode = file->f_path.dentry->d_inode;
-- struct address_space *mapping = file->f_mapping;
--
-- get_file(file);
-- if (tmp->vm_flags & VM_DENYWRITE)
-- atomic_dec(&inode->i_writecount);
-- mutex_lock(&mapping->i_mmap_mutex);
-- if (tmp->vm_flags & VM_SHARED)
-- mapping->i_mmap_writable++;
-- flush_dcache_mmap_lock(mapping);
-- /* insert tmp into the share list, just after mpnt */
-- vma_prio_tree_add(tmp, mpnt);
-- flush_dcache_mmap_unlock(mapping);
-- mutex_unlock(&mapping->i_mmap_mutex);
-- }
--
-- /*
-- * Clear hugetlb-related page reserves for children. This only
-- * affects MAP_PRIVATE mappings. Faults generated by the child
-- * are not guaranteed to succeed, even if read-only
-- */
-- if (is_vm_hugetlb_page(tmp))
-- reset_vma_resv_huge_pages(tmp);
-
- /*
- * Link in the new vma and copy the page table entries.
-@@ -459,9 +479,34 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
- if (retval)
- goto out;
-
-- if (file && uprobe_mmap(tmp))
-+ if (tmp->vm_file && uprobe_mmap(tmp))
- goto out;
- }
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (oldmm->pax_flags & MF_PAX_SEGMEXEC) {
-+ struct vm_area_struct *mpnt_m;
-+
-+ for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) {
-+ BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm);
-+
-+ if (!mpnt->vm_mirror)
-+ continue;
-+
-+ if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) {
-+ BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt);
-+ mpnt->vm_mirror = mpnt_m;
-+ } else {
-+ BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm);
-+ mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror;
-+ mpnt_m->vm_mirror->vm_mirror = mpnt_m;
-+ mpnt->vm_mirror->vm_mirror = mpnt;
-+ }
-+ }
-+ BUG_ON(mpnt_m);
-+ }
-+#endif
-+
- /* a new mm has just been created */
- arch_dup_mmap(oldmm, mm);
- retval = 0;
-@@ -470,14 +515,6 @@ out:
- flush_tlb_mm(oldmm);
- up_write(&oldmm->mmap_sem);
- return retval;
--fail_nomem_anon_vma_fork:
-- mpol_put(pol);
--fail_nomem_policy:
-- kmem_cache_free(vm_area_cachep, tmp);
--fail_nomem:
-- retval = -ENOMEM;
-- vm_unacct_memory(charge);
-- goto out;
- }
-
- static inline int mm_alloc_pgd(struct mm_struct *mm)
-@@ -714,8 +751,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
- return ERR_PTR(err);
-
- mm = get_task_mm(task);
-- if (mm && mm != current->mm &&
-- !ptrace_may_access(task, mode)) {
-+ if (mm && ((mm != current->mm && !ptrace_may_access(task, mode)) ||
-+ (mode == PTRACE_MODE_ATTACH && (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task))))) {
- mmput(mm);
- mm = ERR_PTR(-EACCES);
- }
-@@ -936,13 +973,14 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
- spin_unlock(&fs->lock);
- return -EAGAIN;
- }
-- fs->users++;
-+ atomic_inc(&fs->users);
- spin_unlock(&fs->lock);
- return 0;
- }
- tsk->fs = copy_fs_struct(fs);
- if (!tsk->fs)
- return -ENOMEM;
-+ gr_set_chroot_entries(tsk, &tsk->fs->root);
- return 0;
- }
-
-@@ -1209,6 +1247,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
- DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
- #endif
- retval = -EAGAIN;
-+
-+ gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0);
-+
- if (atomic_read(&p->real_cred->user->processes) >=
- task_rlimit(p, RLIMIT_NPROC)) {
- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
-@@ -1431,6 +1472,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
- /* Need tasklist lock for parent etc handling! */
- write_lock_irq(&tasklist_lock);
-
-+ /* synchronizes with gr_set_acls() */
-+ gr_copy_label(p);
-+
- /* CLONE_PARENT re-uses the old parent */
- if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
- p->real_parent = current->real_parent;
-@@ -1541,6 +1585,8 @@ bad_fork_cleanup_count:
- bad_fork_free:
- free_task(p);
- fork_out:
-+ gr_log_forkfail(retval);
-+
- return ERR_PTR(retval);
- }
-
-@@ -1641,6 +1687,8 @@ long do_fork(unsigned long clone_flags,
- if (clone_flags & CLONE_PARENT_SETTID)
- put_user(nr, parent_tidptr);
-
-+ gr_handle_brute_check();
-+
- if (clone_flags & CLONE_VFORK) {
- p->vfork_done = &vfork;
- init_completion(&vfork);
-@@ -1739,7 +1787,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp)
- return 0;
-
- /* don't need lock here; in the worst case we'll do useless copy */
-- if (fs->users == 1)
-+ if (atomic_read(&fs->users) == 1)
- return 0;
-
- *new_fsp = copy_fs_struct(fs);
-@@ -1828,7 +1876,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
- fs = current->fs;
- spin_lock(&fs->lock);
- current->fs = new_fs;
-- if (--fs->users)
-+ gr_set_chroot_entries(current, ¤t->fs->root);
-+ if (atomic_dec_return(&fs->users))
- new_fs = NULL;
- else
- new_fs = fs;
-diff --git a/kernel/futex.c b/kernel/futex.c
-index 3717e7b..473c750 100644
---- a/kernel/futex.c
-+++ b/kernel/futex.c
-@@ -54,6 +54,7 @@
- #include <linux/mount.h>
- #include <linux/pagemap.h>
- #include <linux/syscalls.h>
-+#include <linux/ptrace.h>
- #include <linux/signal.h>
- #include <linux/export.h>
- #include <linux/magic.h>
-@@ -239,6 +240,11 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, int rw)
- struct page *page, *page_head;
- int err, ro = 0;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE)
-+ return -EFAULT;
-+#endif
-+
- /*
- * The futex address must be "naturally" aligned.
- */
-@@ -2714,6 +2720,7 @@ static int __init futex_init(void)
- {
- u32 curval;
- int i;
-+ mm_segment_t oldfs;
-
- /*
- * This will fail and we want it. Some arch implementations do
-@@ -2725,8 +2732,11 @@ static int __init futex_init(void)
- * implementation, the non-functional ones will return
- * -ENOSYS.
- */
-+ oldfs = get_fs();
-+ set_fs(USER_DS);
- if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT)
- futex_cmpxchg_enabled = 1;
-+ set_fs(oldfs);
-
- for (i = 0; i < ARRAY_SIZE(futex_queues); i++) {
- plist_head_init(&futex_queues[i].chain);
-diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
-index 9b22d03..6295b62 100644
---- a/kernel/gcov/base.c
-+++ b/kernel/gcov/base.c
-@@ -102,11 +102,6 @@ void gcov_enable_events(void)
- }
-
- #ifdef CONFIG_MODULES
--static inline int within(void *addr, void *start, unsigned long size)
--{
-- return ((addr >= start) && (addr < start + size));
--}
--
- /* Update list and generate events when modules are unloaded. */
- static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
- void *data)
-@@ -121,7 +116,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
- prev = NULL;
- /* Remove entries located in module from linked list. */
- for (info = gcov_info_head; info; info = info->next) {
-- if (within(info, mod->module_core, mod->core_size)) {
-+ if (within_module_core_rw((unsigned long)info, mod)) {
- if (prev)
- prev->next = info->next;
- else
-diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
-index 6db7a5e..25b6648 100644
---- a/kernel/hrtimer.c
-+++ b/kernel/hrtimer.c
-@@ -1407,7 +1407,7 @@ void hrtimer_peek_ahead_timers(void)
- local_irq_restore(flags);
- }
-
--static void run_hrtimer_softirq(struct softirq_action *h)
-+static void run_hrtimer_softirq(void)
- {
- struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
-
-diff --git a/kernel/jump_label.c b/kernel/jump_label.c
-index 4304919..408c4c0 100644
---- a/kernel/jump_label.c
-+++ b/kernel/jump_label.c
-@@ -13,6 +13,7 @@
- #include <linux/sort.h>
- #include <linux/err.h>
- #include <linux/static_key.h>
-+#include <linux/mm.h>
-
- #ifdef HAVE_JUMP_LABEL
-
-@@ -50,7 +51,9 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop)
-
- size = (((unsigned long)stop - (unsigned long)start)
- / sizeof(struct jump_entry));
-+ pax_open_kernel();
- sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL);
-+ pax_close_kernel();
- }
-
- static void jump_label_update(struct static_key *key, int enable);
-@@ -356,10 +359,12 @@ static void jump_label_invalidate_module_init(struct module *mod)
- struct jump_entry *iter_stop = iter_start + mod->num_jump_entries;
- struct jump_entry *iter;
-
-+ pax_open_kernel();
- for (iter = iter_start; iter < iter_stop; iter++) {
- if (within_module_init(iter->code, mod))
- iter->code = 0;
- }
-+ pax_close_kernel();
- }
-
- static int
-diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
-index 2169fee..45c017a 100644
---- a/kernel/kallsyms.c
-+++ b/kernel/kallsyms.c
-@@ -11,6 +11,9 @@
- * Changed the compression method from stem compression to "table lookup"
- * compression (see scripts/kallsyms.c for a more complete description)
- */
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+#define __INCLUDED_BY_HIDESYM 1
-+#endif
- #include <linux/kallsyms.h>
- #include <linux/module.h>
- #include <linux/init.h>
-@@ -53,12 +56,33 @@ extern const unsigned long kallsyms_markers[] __attribute__((weak));
-
- static inline int is_kernel_inittext(unsigned long addr)
- {
-+ if (system_state != SYSTEM_BOOTING)
-+ return 0;
-+
- if (addr >= (unsigned long)_sinittext
- && addr <= (unsigned long)_einittext)
- return 1;
- return 0;
- }
-
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+#ifdef CONFIG_MODULES
-+static inline int is_module_text(unsigned long addr)
-+{
-+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END)
-+ return 1;
-+
-+ addr = ktla_ktva(addr);
-+ return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END;
-+}
-+#else
-+static inline int is_module_text(unsigned long addr)
-+{
-+ return 0;
-+}
-+#endif
-+#endif
-+
- static inline int is_kernel_text(unsigned long addr)
- {
- if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) ||
-@@ -69,13 +93,28 @@ static inline int is_kernel_text(unsigned long addr)
-
- static inline int is_kernel(unsigned long addr)
- {
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (is_kernel_text(addr) || is_kernel_inittext(addr))
-+ return 1;
-+
-+ if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end)
-+#else
- if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
-+#endif
-+
- return 1;
- return in_gate_area_no_mm(addr);
- }
-
- static int is_ksym_addr(unsigned long addr)
- {
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (is_module_text(addr))
-+ return 0;
-+#endif
-+
- if (all_var)
- return is_kernel(addr);
-
-@@ -470,7 +509,6 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter)
-
- static void reset_iter(struct kallsym_iter *iter, loff_t new_pos)
- {
-- iter->name[0] = '\0';
- iter->nameoff = get_symbol_offset(new_pos);
- iter->pos = new_pos;
- }
-@@ -518,6 +556,11 @@ static int s_show(struct seq_file *m, void *p)
- {
- struct kallsym_iter *iter = m->private;
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ if (current_uid())
-+ return 0;
-+#endif
-+
- /* Some debugging symbols have no name. Ignore them. */
- if (!iter->name[0])
- return 0;
-@@ -531,6 +574,7 @@ static int s_show(struct seq_file *m, void *p)
- */
- type = iter->exported ? toupper(iter->type) :
- tolower(iter->type);
-+
- seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value,
- type, iter->name, iter->module_name);
- } else
-@@ -556,7 +600,7 @@ static int kallsyms_open(struct inode *inode, struct file *file)
- struct kallsym_iter *iter;
- int ret;
-
-- iter = kmalloc(sizeof(*iter), GFP_KERNEL);
-+ iter = kzalloc(sizeof(*iter), GFP_KERNEL);
- if (!iter)
- return -ENOMEM;
- reset_iter(iter, 0);
-diff --git a/kernel/kexec.c b/kernel/kexec.c
-index 4e2e472..cd0c7ae 100644
---- a/kernel/kexec.c
-+++ b/kernel/kexec.c
-@@ -1046,7 +1046,8 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry,
- unsigned long flags)
- {
- struct compat_kexec_segment in;
-- struct kexec_segment out, __user *ksegments;
-+ struct kexec_segment out;
-+ struct kexec_segment __user *ksegments;
- unsigned long i, result;
-
- /* Don't allow clients that don't understand the native
-diff --git a/kernel/kmod.c b/kernel/kmod.c
-index ff2c7cb..085d7af 100644
---- a/kernel/kmod.c
-+++ b/kernel/kmod.c
-@@ -66,7 +66,7 @@ static void free_modprobe_argv(struct subprocess_info *info)
- kfree(info->argv);
- }
-
--static int call_modprobe(char *module_name, int wait)
-+static int call_modprobe(char *module_name, char *module_param, int wait)
- {
- static char *envp[] = {
- "HOME=/",
-@@ -75,7 +75,7 @@ static int call_modprobe(char *module_name, int wait)
- NULL
- };
-
-- char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL);
-+ char **argv = kmalloc(sizeof(char *[6]), GFP_KERNEL);
- if (!argv)
- goto out;
-
-@@ -87,7 +87,8 @@ static int call_modprobe(char *module_name, int wait)
- argv[1] = "-q";
- argv[2] = "--";
- argv[3] = module_name; /* check free_modprobe_argv() */
-- argv[4] = NULL;
-+ argv[4] = module_param;
-+ argv[5] = NULL;
-
- return call_usermodehelper_fns(modprobe_path, argv, envp,
- wait | UMH_KILLABLE, NULL, free_modprobe_argv, NULL);
-@@ -112,9 +113,8 @@ out:
- * If module auto-loading support is disabled then this function
- * becomes a no-operation.
- */
--int __request_module(bool wait, const char *fmt, ...)
-+static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap)
- {
-- va_list args;
- char module_name[MODULE_NAME_LEN];
- unsigned int max_modprobes;
- int ret;
-@@ -122,9 +122,7 @@ int __request_module(bool wait, const char *fmt, ...)
- #define MAX_KMOD_CONCURRENT 50 /* Completely arbitrary value - KAO */
- static int kmod_loop_msg;
-
-- va_start(args, fmt);
-- ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args);
-- va_end(args);
-+ ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap);
- if (ret >= MODULE_NAME_LEN)
- return -ENAMETOOLONG;
-
-@@ -132,6 +130,20 @@ int __request_module(bool wait, const char *fmt, ...)
- if (ret)
- return ret;
-
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ if (!current_uid()) {
-+ /* hack to workaround consolekit/udisks stupidity */
-+ read_lock(&tasklist_lock);
-+ if (!strcmp(current->comm, "mount") &&
-+ current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) {
-+ read_unlock(&tasklist_lock);
-+ printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name);
-+ return -EPERM;
-+ }
-+ read_unlock(&tasklist_lock);
-+ }
-+#endif
-+
- /* If modprobe needs a service that is in a module, we get a recursive
- * loop. Limit the number of running kmod threads to max_threads/2 or
- * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method
-@@ -160,11 +172,52 @@ int __request_module(bool wait, const char *fmt, ...)
-
- trace_module_request(module_name, wait, _RET_IP_);
-
-- ret = call_modprobe(module_name, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
-+ ret = call_modprobe(module_name, module_param, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
-
- atomic_dec(&kmod_concurrent);
- return ret;
- }
-+
-+int ___request_module(bool wait, char *module_param, const char *fmt, ...)
-+{
-+ va_list args;
-+ int ret;
-+
-+ va_start(args, fmt);
-+ ret = ____request_module(wait, module_param, fmt, args);
-+ va_end(args);
-+
-+ return ret;
-+}
-+
-+int __request_module(bool wait, const char *fmt, ...)
-+{
-+ va_list args;
-+ int ret;
-+
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ if (current_uid()) {
-+ char module_param[MODULE_NAME_LEN];
-+
-+ memset(module_param, 0, sizeof(module_param));
-+
-+ snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", current_uid());
-+
-+ va_start(args, fmt);
-+ ret = ____request_module(wait, module_param, fmt, args);
-+ va_end(args);
-+
-+ return ret;
-+ }
-+#endif
-+
-+ va_start(args, fmt);
-+ ret = ____request_module(wait, NULL, fmt, args);
-+ va_end(args);
-+
-+ return ret;
-+}
-+
- EXPORT_SYMBOL(__request_module);
- #endif /* CONFIG_MODULES */
-
-@@ -266,7 +319,7 @@ static int wait_for_helper(void *data)
- *
- * Thus the __user pointer cast is valid here.
- */
-- sys_wait4(pid, (int __user *)&ret, 0, NULL);
-+ sys_wait4(pid, (int __force_user *)&ret, 0, NULL);
-
- /*
- * If ret is 0, either ____call_usermodehelper failed and the
-diff --git a/kernel/kprobes.c b/kernel/kprobes.c
-index c62b854..cb67968 100644
---- a/kernel/kprobes.c
-+++ b/kernel/kprobes.c
-@@ -185,7 +185,7 @@ static kprobe_opcode_t __kprobes *__get_insn_slot(struct kprobe_insn_cache *c)
- * kernel image and loaded module images reside. This is required
- * so x86_64 can correctly handle the %rip-relative fixups.
- */
-- kip->insns = module_alloc(PAGE_SIZE);
-+ kip->insns = module_alloc_exec(PAGE_SIZE);
- if (!kip->insns) {
- kfree(kip);
- return NULL;
-@@ -225,7 +225,7 @@ static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx)
- */
- if (!list_is_singular(&kip->list)) {
- list_del(&kip->list);
-- module_free(NULL, kip->insns);
-+ module_free_exec(NULL, kip->insns);
- kfree(kip);
- }
- return 1;
-@@ -1955,7 +1955,7 @@ static int __init init_kprobes(void)
- {
- int i, err = 0;
- unsigned long offset = 0, size = 0;
-- char *modname, namebuf[128];
-+ char *modname, namebuf[KSYM_NAME_LEN];
- const char *symbol_name;
- void *addr;
- struct kprobe_blackpoint *kb;
-@@ -2081,7 +2081,7 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
- const char *sym = NULL;
- unsigned int i = *(loff_t *) v;
- unsigned long offset = 0;
-- char *modname, namebuf[128];
-+ char *modname, namebuf[KSYM_NAME_LEN];
-
- head = &kprobe_table[i];
- preempt_disable();
-diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
-index 4e316e1..5501eef 100644
---- a/kernel/ksysfs.c
-+++ b/kernel/ksysfs.c
-@@ -47,6 +47,8 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
- {
- if (count+1 > UEVENT_HELPER_PATH_LEN)
- return -ENOENT;
-+ if (!capable(CAP_SYS_ADMIN))
-+ return -EPERM;
- memcpy(uevent_helper, buf, count);
- uevent_helper[count] = '\0';
- if (count && uevent_helper[count-1] == '\n')
-diff --git a/kernel/lockdep.c b/kernel/lockdep.c
-index ea9ee45..67ebc8f 100644
---- a/kernel/lockdep.c
-+++ b/kernel/lockdep.c
-@@ -590,6 +590,10 @@ static int static_obj(void *obj)
- end = (unsigned long) &_end,
- addr = (unsigned long) obj;
-
-+#ifdef CONFIG_PAX_KERNEXEC
-+ start = ktla_ktva(start);
-+#endif
-+
- /*
- * static variable?
- */
-@@ -730,6 +734,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
- if (!static_obj(lock->key)) {
- debug_locks_off();
- printk("INFO: trying to register non-static key.\n");
-+ printk("lock:%pS key:%pS.\n", lock, lock->key);
- printk("the code is fine but needs lockdep annotation.\n");
- printk("turning off the locking correctness validator.\n");
- dump_stack();
-@@ -3042,7 +3047,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
- if (!class)
- return 0;
- }
-- atomic_inc((atomic_t *)&class->ops);
-+ atomic_inc_unchecked((atomic_unchecked_t *)&class->ops);
- if (very_verbose(class)) {
- printk("\nacquire class [%p] %s", class->key, class->name);
- if (class->name_version > 1)
-diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
-index 91c32a0..b2c71c5 100644
---- a/kernel/lockdep_proc.c
-+++ b/kernel/lockdep_proc.c
-@@ -39,7 +39,7 @@ static void l_stop(struct seq_file *m, void *v)
-
- static void print_name(struct seq_file *m, struct lock_class *class)
- {
-- char str[128];
-+ char str[KSYM_NAME_LEN];
- const char *name = class->name;
-
- if (!name) {
-diff --git a/kernel/module.c b/kernel/module.c
-index 4edbd9c..165e780 100644
---- a/kernel/module.c
-+++ b/kernel/module.c
-@@ -58,6 +58,7 @@
- #include <linux/jump_label.h>
- #include <linux/pfn.h>
- #include <linux/bsearch.h>
-+#include <linux/grsecurity.h>
-
- #define CREATE_TRACE_POINTS
- #include <trace/events/module.h>
-@@ -114,7 +115,8 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list);
-
- /* Bounds of module allocation, for speeding __module_address.
- * Protected by module_mutex. */
--static unsigned long module_addr_min = -1UL, module_addr_max = 0;
-+static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0;
-+static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0;
-
- int register_module_notifier(struct notifier_block * nb)
- {
-@@ -278,7 +280,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
- return true;
-
- list_for_each_entry_rcu(mod, &modules, list) {
-- struct symsearch arr[] = {
-+ struct symsearch modarr[] = {
- { mod->syms, mod->syms + mod->num_syms, mod->crcs,
- NOT_GPL_ONLY, false },
- { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms,
-@@ -300,7 +302,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
- #endif
- };
-
-- if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data))
-+ if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data))
- return true;
- }
- return false;
-@@ -432,7 +434,7 @@ static inline void __percpu *mod_percpu(struct module *mod)
- static int percpu_modalloc(struct module *mod,
- unsigned long size, unsigned long align)
- {
-- if (align > PAGE_SIZE) {
-+ if (align-1 >= PAGE_SIZE) {
- printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n",
- mod->name, align, PAGE_SIZE);
- align = PAGE_SIZE;
-@@ -1032,7 +1034,7 @@ struct module_attribute module_uevent =
- static ssize_t show_coresize(struct module_attribute *mattr,
- struct module_kobject *mk, char *buffer)
- {
-- return sprintf(buffer, "%u\n", mk->mod->core_size);
-+ return sprintf(buffer, "%u\n", mk->mod->core_size_rx + mk->mod->core_size_rw);
- }
-
- static struct module_attribute modinfo_coresize =
-@@ -1041,7 +1043,7 @@ static struct module_attribute modinfo_coresize =
- static ssize_t show_initsize(struct module_attribute *mattr,
- struct module_kobject *mk, char *buffer)
- {
-- return sprintf(buffer, "%u\n", mk->mod->init_size);
-+ return sprintf(buffer, "%u\n", mk->mod->init_size_rx + mk->mod->init_size_rw);
- }
-
- static struct module_attribute modinfo_initsize =
-@@ -1255,7 +1257,7 @@ resolve_symbol_wait(struct module *mod,
- */
- #ifdef CONFIG_SYSFS
-
--#ifdef CONFIG_KALLSYMS
-+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
- static inline bool sect_empty(const Elf_Shdr *sect)
- {
- return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0;
-@@ -1721,21 +1723,21 @@ static void set_section_ro_nx(void *base,
-
- static void unset_module_core_ro_nx(struct module *mod)
- {
-- set_page_attributes(mod->module_core + mod->core_text_size,
-- mod->module_core + mod->core_size,
-+ set_page_attributes(mod->module_core_rw,
-+ mod->module_core_rw + mod->core_size_rw,
- set_memory_x);
-- set_page_attributes(mod->module_core,
-- mod->module_core + mod->core_ro_size,
-+ set_page_attributes(mod->module_core_rx,
-+ mod->module_core_rx + mod->core_size_rx,
- set_memory_rw);
- }
-
- static void unset_module_init_ro_nx(struct module *mod)
- {
-- set_page_attributes(mod->module_init + mod->init_text_size,
-- mod->module_init + mod->init_size,
-+ set_page_attributes(mod->module_init_rw,
-+ mod->module_init_rw + mod->init_size_rw,
- set_memory_x);
-- set_page_attributes(mod->module_init,
-- mod->module_init + mod->init_ro_size,
-+ set_page_attributes(mod->module_init_rx,
-+ mod->module_init_rx + mod->init_size_rx,
- set_memory_rw);
- }
-
-@@ -1746,14 +1748,14 @@ void set_all_modules_text_rw(void)
-
- mutex_lock(&module_mutex);
- list_for_each_entry_rcu(mod, &modules, list) {
-- if ((mod->module_core) && (mod->core_text_size)) {
-- set_page_attributes(mod->module_core,
-- mod->module_core + mod->core_text_size,
-+ if ((mod->module_core_rx) && (mod->core_size_rx)) {
-+ set_page_attributes(mod->module_core_rx,
-+ mod->module_core_rx + mod->core_size_rx,
- set_memory_rw);
- }
-- if ((mod->module_init) && (mod->init_text_size)) {
-- set_page_attributes(mod->module_init,
-- mod->module_init + mod->init_text_size,
-+ if ((mod->module_init_rx) && (mod->init_size_rx)) {
-+ set_page_attributes(mod->module_init_rx,
-+ mod->module_init_rx + mod->init_size_rx,
- set_memory_rw);
- }
- }
-@@ -1767,14 +1769,14 @@ void set_all_modules_text_ro(void)
-
- mutex_lock(&module_mutex);
- list_for_each_entry_rcu(mod, &modules, list) {
-- if ((mod->module_core) && (mod->core_text_size)) {
-- set_page_attributes(mod->module_core,
-- mod->module_core + mod->core_text_size,
-+ if ((mod->module_core_rx) && (mod->core_size_rx)) {
-+ set_page_attributes(mod->module_core_rx,
-+ mod->module_core_rx + mod->core_size_rx,
- set_memory_ro);
- }
-- if ((mod->module_init) && (mod->init_text_size)) {
-- set_page_attributes(mod->module_init,
-- mod->module_init + mod->init_text_size,
-+ if ((mod->module_init_rx) && (mod->init_size_rx)) {
-+ set_page_attributes(mod->module_init_rx,
-+ mod->module_init_rx + mod->init_size_rx,
- set_memory_ro);
- }
- }
-@@ -1820,16 +1822,19 @@ static void free_module(struct module *mod)
-
- /* This may be NULL, but that's OK */
- unset_module_init_ro_nx(mod);
-- module_free(mod, mod->module_init);
-+ module_free(mod, mod->module_init_rw);
-+ module_free_exec(mod, mod->module_init_rx);
- kfree(mod->args);
- percpu_modfree(mod);
-
- /* Free lock-classes: */
-- lockdep_free_key_range(mod->module_core, mod->core_size);
-+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx);
-+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw);
-
- /* Finally, free the core (containing the module structure) */
- unset_module_core_ro_nx(mod);
-- module_free(mod, mod->module_core);
-+ module_free_exec(mod, mod->module_core_rx);
-+ module_free(mod, mod->module_core_rw);
-
- #ifdef CONFIG_MPU
- update_protections(current->mm);
-@@ -1899,9 +1904,31 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
- int ret = 0;
- const struct kernel_symbol *ksym;
-
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ int is_fs_load = 0;
-+ int register_filesystem_found = 0;
-+ char *p;
-+
-+ p = strstr(mod->args, "grsec_modharden_fs");
-+ if (p) {
-+ char *endptr = p + strlen("grsec_modharden_fs");
-+ /* copy \0 as well */
-+ memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1);
-+ is_fs_load = 1;
-+ }
-+#endif
-+
- for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) {
- const char *name = info->strtab + sym[i].st_name;
-
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ /* it's a real shame this will never get ripped and copied
-+ upstream! ;(
-+ */
-+ if (is_fs_load && !strcmp(name, "register_filesystem"))
-+ register_filesystem_found = 1;
-+#endif
-+
- switch (sym[i].st_shndx) {
- case SHN_COMMON:
- /* We compiled with -fno-common. These are not
-@@ -1922,7 +1949,9 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
- ksym = resolve_symbol_wait(mod, info, name);
- /* Ok if resolved. */
- if (ksym && !IS_ERR(ksym)) {
-+ pax_open_kernel();
- sym[i].st_value = ksym->value;
-+ pax_close_kernel();
- break;
- }
-
-@@ -1941,11 +1970,20 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
- secbase = (unsigned long)mod_percpu(mod);
- else
- secbase = info->sechdrs[sym[i].st_shndx].sh_addr;
-+ pax_open_kernel();
- sym[i].st_value += secbase;
-+ pax_close_kernel();
- break;
- }
- }
-
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ if (is_fs_load && !register_filesystem_found) {
-+ printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name);
-+ ret = -EPERM;
-+ }
-+#endif
-+
- return ret;
- }
-
-@@ -2049,22 +2087,12 @@ static void layout_sections(struct module *mod, struct load_info *info)
- || s->sh_entsize != ~0UL
- || strstarts(sname, ".init"))
- continue;
-- s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
-+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
-+ s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i);
-+ else
-+ s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i);
- pr_debug("\t%s\n", sname);
- }
-- switch (m) {
-- case 0: /* executable */
-- mod->core_size = debug_align(mod->core_size);
-- mod->core_text_size = mod->core_size;
-- break;
-- case 1: /* RO: text and ro-data */
-- mod->core_size = debug_align(mod->core_size);
-- mod->core_ro_size = mod->core_size;
-- break;
-- case 3: /* whole core */
-- mod->core_size = debug_align(mod->core_size);
-- break;
-- }
- }
-
- pr_debug("Init section allocation order:\n");
-@@ -2078,23 +2106,13 @@ static void layout_sections(struct module *mod, struct load_info *info)
- || s->sh_entsize != ~0UL
- || !strstarts(sname, ".init"))
- continue;
-- s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
-- | INIT_OFFSET_MASK);
-+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
-+ s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i);
-+ else
-+ s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i);
-+ s->sh_entsize |= INIT_OFFSET_MASK;
- pr_debug("\t%s\n", sname);
- }
-- switch (m) {
-- case 0: /* executable */
-- mod->init_size = debug_align(mod->init_size);
-- mod->init_text_size = mod->init_size;
-- break;
-- case 1: /* RO: text and ro-data */
-- mod->init_size = debug_align(mod->init_size);
-- mod->init_ro_size = mod->init_size;
-- break;
-- case 3: /* whole init */
-- mod->init_size = debug_align(mod->init_size);
-- break;
-- }
- }
- }
-
-@@ -2266,7 +2284,7 @@ static void layout_symtab(struct module *mod, struct load_info *info)
-
- /* Put symbol section at end of init part of module. */
- symsect->sh_flags |= SHF_ALLOC;
-- symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect,
-+ symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect,
- info->index.sym) | INIT_OFFSET_MASK;
- pr_debug("\t%s\n", info->secstrings + symsect->sh_name);
-
-@@ -2281,13 +2299,13 @@ static void layout_symtab(struct module *mod, struct load_info *info)
- }
-
- /* Append room for core symbols at end of core part. */
-- info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1);
-- info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym);
-- mod->core_size += strtab_size;
-+ info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1);
-+ info->stroffs = mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym);
-+ mod->core_size_rx += strtab_size;
-
- /* Put string table section at end of init part of module. */
- strsect->sh_flags |= SHF_ALLOC;
-- strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect,
-+ strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect,
- info->index.str) | INIT_OFFSET_MASK;
- pr_debug("\t%s\n", info->secstrings + strsect->sh_name);
- }
-@@ -2305,12 +2323,14 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
- /* Make sure we get permanent strtab: don't use info->strtab. */
- mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr;
-
-+ pax_open_kernel();
-+
- /* Set types up while we still have access to sections. */
- for (i = 0; i < mod->num_symtab; i++)
- mod->symtab[i].st_info = elf_type(&mod->symtab[i], info);
-
-- mod->core_symtab = dst = mod->module_core + info->symoffs;
-- mod->core_strtab = s = mod->module_core + info->stroffs;
-+ mod->core_symtab = dst = mod->module_core_rx + info->symoffs;
-+ mod->core_strtab = s = mod->module_core_rx + info->stroffs;
- src = mod->symtab;
- *dst = *src;
- *s++ = 0;
-@@ -2323,6 +2343,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
- s += strlcpy(s, &mod->strtab[src->st_name], KSYM_NAME_LEN) + 1;
- }
- mod->core_num_syms = ndst;
-+
-+ pax_close_kernel();
- }
- #else
- static inline void layout_symtab(struct module *mod, struct load_info *info)
-@@ -2356,17 +2378,33 @@ void * __weak module_alloc(unsigned long size)
- return size == 0 ? NULL : vmalloc_exec(size);
- }
-
--static void *module_alloc_update_bounds(unsigned long size)
-+static void *module_alloc_update_bounds_rw(unsigned long size)
- {
- void *ret = module_alloc(size);
-
- if (ret) {
- mutex_lock(&module_mutex);
- /* Update module bounds. */
-- if ((unsigned long)ret < module_addr_min)
-- module_addr_min = (unsigned long)ret;
-- if ((unsigned long)ret + size > module_addr_max)
-- module_addr_max = (unsigned long)ret + size;
-+ if ((unsigned long)ret < module_addr_min_rw)
-+ module_addr_min_rw = (unsigned long)ret;
-+ if ((unsigned long)ret + size > module_addr_max_rw)
-+ module_addr_max_rw = (unsigned long)ret + size;
-+ mutex_unlock(&module_mutex);
-+ }
-+ return ret;
-+}
-+
-+static void *module_alloc_update_bounds_rx(unsigned long size)
-+{
-+ void *ret = module_alloc_exec(size);
-+
-+ if (ret) {
-+ mutex_lock(&module_mutex);
-+ /* Update module bounds. */
-+ if ((unsigned long)ret < module_addr_min_rx)
-+ module_addr_min_rx = (unsigned long)ret;
-+ if ((unsigned long)ret + size > module_addr_max_rx)
-+ module_addr_max_rx = (unsigned long)ret + size;
- mutex_unlock(&module_mutex);
- }
- return ret;
-@@ -2544,8 +2582,14 @@ static struct module *setup_load_info(struct load_info *info)
- static int check_modinfo(struct module *mod, struct load_info *info)
- {
- const char *modmagic = get_modinfo(info, "vermagic");
-+ const char *license = get_modinfo(info, "license");
- int err;
-
-+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
-+ if (!license || !license_is_gpl_compatible(license))
-+ return -ENOEXEC;
-+#endif
-+
- /* This is allowed: modprobe --force will invalidate it. */
- if (!modmagic) {
- err = try_to_force_load(mod, "bad vermagic");
-@@ -2568,7 +2612,7 @@ static int check_modinfo(struct module *mod, struct load_info *info)
- }
-
- /* Set up license info based on the info section */
-- set_license(mod, get_modinfo(info, "license"));
-+ set_license(mod, license);
-
- return 0;
- }
-@@ -2662,7 +2706,7 @@ static int move_module(struct module *mod, struct load_info *info)
- void *ptr;
-
- /* Do the allocs. */
-- ptr = module_alloc_update_bounds(mod->core_size);
-+ ptr = module_alloc_update_bounds_rw(mod->core_size_rw);
- /*
- * The pointer to this block is stored in the module structure
- * which is inside the block. Just mark it as not being a
-@@ -2672,23 +2716,50 @@ static int move_module(struct module *mod, struct load_info *info)
- if (!ptr)
- return -ENOMEM;
-
-- memset(ptr, 0, mod->core_size);
-- mod->module_core = ptr;
-+ memset(ptr, 0, mod->core_size_rw);
-+ mod->module_core_rw = ptr;
-
-- ptr = module_alloc_update_bounds(mod->init_size);
-+ ptr = module_alloc_update_bounds_rw(mod->init_size_rw);
- /*
- * The pointer to this block is stored in the module structure
- * which is inside the block. This block doesn't need to be
- * scanned as it contains data and code that will be freed
- * after the module is initialized.
- */
-- kmemleak_ignore(ptr);
-- if (!ptr && mod->init_size) {
-- module_free(mod, mod->module_core);
-+ kmemleak_not_leak(ptr);
-+ if (!ptr && mod->init_size_rw) {
-+ module_free(mod, mod->module_core_rw);
- return -ENOMEM;
- }
-- memset(ptr, 0, mod->init_size);
-- mod->module_init = ptr;
-+ memset(ptr, 0, mod->init_size_rw);
-+ mod->module_init_rw = ptr;
-+
-+ ptr = module_alloc_update_bounds_rx(mod->core_size_rx);
-+ kmemleak_not_leak(ptr);
-+ if (!ptr) {
-+ module_free(mod, mod->module_init_rw);
-+ module_free(mod, mod->module_core_rw);
-+ return -ENOMEM;
-+ }
-+
-+ pax_open_kernel();
-+ memset(ptr, 0, mod->core_size_rx);
-+ pax_close_kernel();
-+ mod->module_core_rx = ptr;
-+
-+ ptr = module_alloc_update_bounds_rx(mod->init_size_rx);
-+ kmemleak_not_leak(ptr);
-+ if (!ptr && mod->init_size_rx) {
-+ module_free_exec(mod, mod->module_core_rx);
-+ module_free(mod, mod->module_init_rw);
-+ module_free(mod, mod->module_core_rw);
-+ return -ENOMEM;
-+ }
-+
-+ pax_open_kernel();
-+ memset(ptr, 0, mod->init_size_rx);
-+ pax_close_kernel();
-+ mod->module_init_rx = ptr;
-
- /* Transfer each section which specifies SHF_ALLOC */
- pr_debug("final section addresses:\n");
-@@ -2699,16 +2770,45 @@ static int move_module(struct module *mod, struct load_info *info)
- if (!(shdr->sh_flags & SHF_ALLOC))
- continue;
-
-- if (shdr->sh_entsize & INIT_OFFSET_MASK)
-- dest = mod->module_init
-- + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
-- else
-- dest = mod->module_core + shdr->sh_entsize;
-+ if (shdr->sh_entsize & INIT_OFFSET_MASK) {
-+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
-+ dest = mod->module_init_rw
-+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
-+ else
-+ dest = mod->module_init_rx
-+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
-+ } else {
-+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
-+ dest = mod->module_core_rw + shdr->sh_entsize;
-+ else
-+ dest = mod->module_core_rx + shdr->sh_entsize;
-+ }
-+
-+ if (shdr->sh_type != SHT_NOBITS) {
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+#ifdef CONFIG_X86_64
-+ if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR))
-+ set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT);
-+#endif
-+ if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) {
-+ pax_open_kernel();
-+ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
-+ pax_close_kernel();
-+ } else
-+#endif
-
-- if (shdr->sh_type != SHT_NOBITS)
- memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
-+ }
- /* Update sh_addr to point to copy in image. */
-- shdr->sh_addr = (unsigned long)dest;
-+
-+#ifdef CONFIG_PAX_KERNEXEC
-+ if (shdr->sh_flags & SHF_EXECINSTR)
-+ shdr->sh_addr = ktva_ktla((unsigned long)dest);
-+ else
-+#endif
-+
-+ shdr->sh_addr = (unsigned long)dest;
- pr_debug("\t0x%lx %s\n",
- (long)shdr->sh_addr, info->secstrings + shdr->sh_name);
- }
-@@ -2759,12 +2859,12 @@ static void flush_module_icache(const struct module *mod)
- * Do it before processing of module parameters, so the module
- * can provide parameter accessor functions of its own.
- */
-- if (mod->module_init)
-- flush_icache_range((unsigned long)mod->module_init,
-- (unsigned long)mod->module_init
-- + mod->init_size);
-- flush_icache_range((unsigned long)mod->module_core,
-- (unsigned long)mod->module_core + mod->core_size);
-+ if (mod->module_init_rx)
-+ flush_icache_range((unsigned long)mod->module_init_rx,
-+ (unsigned long)mod->module_init_rx
-+ + mod->init_size_rx);
-+ flush_icache_range((unsigned long)mod->module_core_rx,
-+ (unsigned long)mod->module_core_rx + mod->core_size_rx);
-
- set_fs(old_fs);
- }
-@@ -2834,8 +2934,10 @@ out:
- static void module_deallocate(struct module *mod, struct load_info *info)
- {
- percpu_modfree(mod);
-- module_free(mod, mod->module_init);
-- module_free(mod, mod->module_core);
-+ module_free_exec(mod, mod->module_init_rx);
-+ module_free_exec(mod, mod->module_core_rx);
-+ module_free(mod, mod->module_init_rw);
-+ module_free(mod, mod->module_core_rw);
- }
-
- int __weak module_finalize(const Elf_Ehdr *hdr,
-@@ -2848,7 +2950,9 @@ int __weak module_finalize(const Elf_Ehdr *hdr,
- static int post_relocation(struct module *mod, const struct load_info *info)
- {
- /* Sort exception table now relocations are done. */
-+ pax_open_kernel();
- sort_extable(mod->extable, mod->extable + mod->num_exentries);
-+ pax_close_kernel();
-
- /* Copy relocated percpu area over. */
- percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr,
-@@ -2899,9 +3003,38 @@ static struct module *load_module(void __user *umod,
- if (err)
- goto free_unload;
-
-+ /* Now copy in args */
-+ mod->args = strndup_user(uargs, ~0UL >> 1);
-+ if (IS_ERR(mod->args)) {
-+ err = PTR_ERR(mod->args);
-+ goto free_unload;
-+ }
-+
- /* Set up MODINFO_ATTR fields */
- setup_modinfo(mod, &info);
-
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ {
-+ char *p, *p2;
-+
-+ if (strstr(mod->args, "grsec_modharden_netdev")) {
-+ printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name);
-+ err = -EPERM;
-+ goto free_modinfo;
-+ } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) {
-+ p += strlen("grsec_modharden_normal");
-+ p2 = strstr(p, "_");
-+ if (p2) {
-+ *p2 = '\0';
-+ printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p);
-+ *p2 = '_';
-+ }
-+ err = -EPERM;
-+ goto free_modinfo;
-+ }
-+ }
-+#endif
-+
- /* Fix up syms, so that st_value is a pointer to location. */
- err = simplify_symbols(mod, &info);
- if (err < 0)
-@@ -2917,13 +3050,6 @@ static struct module *load_module(void __user *umod,
-
- flush_module_icache(mod);
-
-- /* Now copy in args */
-- mod->args = strndup_user(uargs, ~0UL >> 1);
-- if (IS_ERR(mod->args)) {
-- err = PTR_ERR(mod->args);
-- goto free_arch_cleanup;
-- }
--
- /* Mark state as coming so strong_try_module_get() ignores us. */
- mod->state = MODULE_STATE_COMING;
-
-@@ -2981,11 +3107,10 @@ static struct module *load_module(void __user *umod,
- unlock:
- mutex_unlock(&module_mutex);
- synchronize_sched();
-- kfree(mod->args);
-- free_arch_cleanup:
- module_arch_cleanup(mod);
- free_modinfo:
- free_modinfo(mod);
-+ kfree(mod->args);
- free_unload:
- module_unload_free(mod);
- free_module:
-@@ -3026,16 +3151,16 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
- MODULE_STATE_COMING, mod);
-
- /* Set RO and NX regions for core */
-- set_section_ro_nx(mod->module_core,
-- mod->core_text_size,
-- mod->core_ro_size,
-- mod->core_size);
-+ set_section_ro_nx(mod->module_core_rx,
-+ mod->core_size_rx,
-+ mod->core_size_rx,
-+ mod->core_size_rx);
-
- /* Set RO and NX regions for init */
-- set_section_ro_nx(mod->module_init,
-- mod->init_text_size,
-- mod->init_ro_size,
-- mod->init_size);
-+ set_section_ro_nx(mod->module_init_rx,
-+ mod->init_size_rx,
-+ mod->init_size_rx,
-+ mod->init_size_rx);
-
- do_mod_ctors(mod);
- /* Start the module */
-@@ -3081,11 +3206,12 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
- mod->strtab = mod->core_strtab;
- #endif
- unset_module_init_ro_nx(mod);
-- module_free(mod, mod->module_init);
-- mod->module_init = NULL;
-- mod->init_size = 0;
-- mod->init_ro_size = 0;
-- mod->init_text_size = 0;
-+ module_free(mod, mod->module_init_rw);
-+ module_free_exec(mod, mod->module_init_rx);
-+ mod->module_init_rw = NULL;
-+ mod->module_init_rx = NULL;
-+ mod->init_size_rw = 0;
-+ mod->init_size_rx = 0;
- mutex_unlock(&module_mutex);
-
- return 0;
-@@ -3116,10 +3242,16 @@ static const char *get_ksymbol(struct module *mod,
- unsigned long nextval;
-
- /* At worse, next value is at end of module */
-- if (within_module_init(addr, mod))
-- nextval = (unsigned long)mod->module_init+mod->init_text_size;
-+ if (within_module_init_rx(addr, mod))
-+ nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx;
-+ else if (within_module_init_rw(addr, mod))
-+ nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw;
-+ else if (within_module_core_rx(addr, mod))
-+ nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx;
-+ else if (within_module_core_rw(addr, mod))
-+ nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw;
- else
-- nextval = (unsigned long)mod->module_core+mod->core_text_size;
-+ return NULL;
-
- /* Scan for closest preceding symbol, and next symbol. (ELF
- starts real symbols at 1). */
-@@ -3354,7 +3486,7 @@ static int m_show(struct seq_file *m, void *p)
- char buf[8];
-
- seq_printf(m, "%s %u",
-- mod->name, mod->init_size + mod->core_size);
-+ mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw);
- print_unload_info(m, mod);
-
- /* Informative for users. */
-@@ -3363,7 +3495,7 @@ static int m_show(struct seq_file *m, void *p)
- mod->state == MODULE_STATE_COMING ? "Loading":
- "Live");
- /* Used by oprofile and other similar tools. */
-- seq_printf(m, " 0x%pK", mod->module_core);
-+ seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw);
-
- /* Taints info */
- if (mod->taints)
-@@ -3399,7 +3531,17 @@ static const struct file_operations proc_modules_operations = {
-
- static int __init proc_modules_init(void)
- {
-+#ifndef CONFIG_GRKERNSEC_HIDESYM
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations);
-+#else
- proc_create("modules", 0, NULL, &proc_modules_operations);
-+#endif
-+#else
-+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
-+#endif
- return 0;
- }
- module_init(proc_modules_init);
-@@ -3458,12 +3600,12 @@ struct module *__module_address(unsigned long addr)
- {
- struct module *mod;
-
-- if (addr < module_addr_min || addr > module_addr_max)
-+ if ((addr < module_addr_min_rx || addr > module_addr_max_rx) &&
-+ (addr < module_addr_min_rw || addr > module_addr_max_rw))
- return NULL;
-
- list_for_each_entry_rcu(mod, &modules, list)
-- if (within_module_core(addr, mod)
-- || within_module_init(addr, mod))
-+ if (within_module_init(addr, mod) || within_module_core(addr, mod))
- return mod;
- return NULL;
- }
-@@ -3497,11 +3639,20 @@ bool is_module_text_address(unsigned long addr)
- */
- struct module *__module_text_address(unsigned long addr)
- {
-- struct module *mod = __module_address(addr);
-+ struct module *mod;
-+
-+#ifdef CONFIG_X86_32
-+ addr = ktla_ktva(addr);
-+#endif
-+
-+ if (addr < module_addr_min_rx || addr > module_addr_max_rx)
-+ return NULL;
-+
-+ mod = __module_address(addr);
-+
- if (mod) {
- /* Make sure it's within the text section. */
-- if (!within(addr, mod->module_init, mod->init_text_size)
-- && !within(addr, mod->module_core, mod->core_text_size))
-+ if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod))
- mod = NULL;
- }
- return mod;
-diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c
-index 7e3443f..b2a1e6b 100644
---- a/kernel/mutex-debug.c
-+++ b/kernel/mutex-debug.c
-@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter)
- }
-
- void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-- struct thread_info *ti)
-+ struct task_struct *task)
- {
- SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock));
-
- /* Mark the current thread as blocked on the lock: */
-- ti->task->blocked_on = waiter;
-+ task->blocked_on = waiter;
- }
-
- void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-- struct thread_info *ti)
-+ struct task_struct *task)
- {
- DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list));
-- DEBUG_LOCKS_WARN_ON(waiter->task != ti->task);
-- DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter);
-- ti->task->blocked_on = NULL;
-+ DEBUG_LOCKS_WARN_ON(waiter->task != task);
-+ DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter);
-+ task->blocked_on = NULL;
-
- list_del_init(&waiter->list);
- waiter->task = NULL;
-diff --git a/kernel/mutex-debug.h b/kernel/mutex-debug.h
-index 0799fd3..d06ae3b 100644
---- a/kernel/mutex-debug.h
-+++ b/kernel/mutex-debug.h
-@@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock,
- extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
- extern void debug_mutex_add_waiter(struct mutex *lock,
- struct mutex_waiter *waiter,
-- struct thread_info *ti);
-+ struct task_struct *task);
- extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-- struct thread_info *ti);
-+ struct task_struct *task);
- extern void debug_mutex_unlock(struct mutex *lock);
- extern void debug_mutex_init(struct mutex *lock, const char *name,
- struct lock_class_key *key);
-diff --git a/kernel/mutex.c b/kernel/mutex.c
-index a307cc9..27fd2e9 100644
---- a/kernel/mutex.c
-+++ b/kernel/mutex.c
-@@ -198,7 +198,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
- spin_lock_mutex(&lock->wait_lock, flags);
-
- debug_mutex_lock_common(lock, &waiter);
-- debug_mutex_add_waiter(lock, &waiter, task_thread_info(task));
-+ debug_mutex_add_waiter(lock, &waiter, task);
-
- /* add waiting tasks to the end of the waitqueue (FIFO): */
- list_add_tail(&waiter.list, &lock->wait_list);
-@@ -227,8 +227,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
- * TASK_UNINTERRUPTIBLE case.)
- */
- if (unlikely(signal_pending_state(state, task))) {
-- mutex_remove_waiter(lock, &waiter,
-- task_thread_info(task));
-+ mutex_remove_waiter(lock, &waiter, task);
- mutex_release(&lock->dep_map, 1, ip);
- spin_unlock_mutex(&lock->wait_lock, flags);
-
-@@ -247,7 +246,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
- done:
- lock_acquired(&lock->dep_map, ip);
- /* got the lock - rejoice! */
-- mutex_remove_waiter(lock, &waiter, current_thread_info());
-+ mutex_remove_waiter(lock, &waiter, task);
- mutex_set_owner(lock);
-
- /* set it to 0 if there are no waiters left: */
-diff --git a/kernel/panic.c b/kernel/panic.c
-index d2a5f4e..5edc1d9 100644
---- a/kernel/panic.c
-+++ b/kernel/panic.c
-@@ -75,6 +75,14 @@ void panic(const char *fmt, ...)
- int state = 0;
-
- /*
-+ * Disable local interrupts. This will prevent panic_smp_self_stop
-+ * from deadlocking the first cpu that invokes the panic, since
-+ * there is nothing to prevent an interrupt handler (that runs
-+ * after the panic_lock is acquired) from invoking panic again.
-+ */
-+ local_irq_disable();
-+
-+ /*
- * It's possible to come here directly from a panic-assertion and
- * not have preempt disabled. Some functions called from here want
- * preempt to be disabled. No point enabling it later though...
-@@ -402,7 +410,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller,
- const char *board;
-
- printk(KERN_WARNING "------------[ cut here ]------------\n");
-- printk(KERN_WARNING "WARNING: at %s:%d %pS()\n", file, line, caller);
-+ printk(KERN_WARNING "WARNING: at %s:%d %pA()\n", file, line, caller);
- board = dmi_get_system_info(DMI_PRODUCT_NAME);
- if (board)
- printk(KERN_WARNING "Hardware name: %s\n", board);
-@@ -457,7 +465,8 @@ EXPORT_SYMBOL(warn_slowpath_null);
- */
- void __stack_chk_fail(void)
- {
-- panic("stack-protector: Kernel stack is corrupted in: %p\n",
-+ dump_stack();
-+ panic("stack-protector: Kernel stack is corrupted in: %pA\n",
- __builtin_return_address(0));
- }
- EXPORT_SYMBOL(__stack_chk_fail);
-diff --git a/kernel/pid.c b/kernel/pid.c
-index e86b291a..e8b0fb5 100644
---- a/kernel/pid.c
-+++ b/kernel/pid.c
-@@ -33,6 +33,7 @@
- #include <linux/rculist.h>
- #include <linux/bootmem.h>
- #include <linux/hash.h>
-+#include <linux/security.h>
- #include <linux/pid_namespace.h>
- #include <linux/init_task.h>
- #include <linux/syscalls.h>
-@@ -45,7 +46,7 @@ struct pid init_struct_pid = INIT_STRUCT_PID;
-
- int pid_max = PID_MAX_DEFAULT;
-
--#define RESERVED_PIDS 300
-+#define RESERVED_PIDS 500
-
- int pid_max_min = RESERVED_PIDS + 1;
- int pid_max_max = PID_MAX_LIMIT;
-@@ -420,10 +421,18 @@ EXPORT_SYMBOL(pid_task);
- */
- struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
- {
-+ struct task_struct *task;
-+
- rcu_lockdep_assert(rcu_read_lock_held(),
- "find_task_by_pid_ns() needs rcu_read_lock()"
- " protection");
-- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
-+
-+ task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
-+
-+ if (gr_pid_is_chrooted(task))
-+ return NULL;
-+
-+ return task;
- }
-
- struct task_struct *find_task_by_vpid(pid_t vnr)
-@@ -431,6 +440,14 @@ struct task_struct *find_task_by_vpid(pid_t vnr)
- return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns);
- }
-
-+struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr)
-+{
-+ rcu_lockdep_assert(rcu_read_lock_held(),
-+ "find_task_by_pid_ns() needs rcu_read_lock()"
-+ " protection");
-+ return pid_task(find_pid_ns(vnr, current->nsproxy->pid_ns), PIDTYPE_PID);
-+}
-+
- struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
- {
- struct pid *pid;
-diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
-index 125cb67..a4d1c30 100644
---- a/kernel/posix-cpu-timers.c
-+++ b/kernel/posix-cpu-timers.c
-@@ -6,6 +6,7 @@
- #include <linux/posix-timers.h>
- #include <linux/errno.h>
- #include <linux/math64.h>
-+#include <linux/security.h>
- #include <asm/uaccess.h>
- #include <linux/kernel_stat.h>
- #include <trace/events/timer.h>
-@@ -1578,14 +1579,14 @@ struct k_clock clock_posix_cpu = {
-
- static __init int init_posix_cpu_timers(void)
- {
-- struct k_clock process = {
-+ static struct k_clock process = {
- .clock_getres = process_cpu_clock_getres,
- .clock_get = process_cpu_clock_get,
- .timer_create = process_cpu_timer_create,
- .nsleep = process_cpu_nsleep,
- .nsleep_restart = process_cpu_nsleep_restart,
- };
-- struct k_clock thread = {
-+ static struct k_clock thread = {
- .clock_getres = thread_cpu_clock_getres,
- .clock_get = thread_cpu_clock_get,
- .timer_create = thread_cpu_timer_create,
-diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
-index 69185ae..cc2847a 100644
---- a/kernel/posix-timers.c
-+++ b/kernel/posix-timers.c
-@@ -43,6 +43,7 @@
- #include <linux/idr.h>
- #include <linux/posix-clock.h>
- #include <linux/posix-timers.h>
-+#include <linux/grsecurity.h>
- #include <linux/syscalls.h>
- #include <linux/wait.h>
- #include <linux/workqueue.h>
-@@ -129,7 +130,7 @@ static DEFINE_SPINLOCK(idr_lock);
- * which we beg off on and pass to do_sys_settimeofday().
- */
-
--static struct k_clock posix_clocks[MAX_CLOCKS];
-+static struct k_clock *posix_clocks[MAX_CLOCKS];
-
- /*
- * These ones are defined below.
-@@ -227,7 +228,7 @@ static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp)
- */
- static __init int init_posix_timers(void)
- {
-- struct k_clock clock_realtime = {
-+ static struct k_clock clock_realtime = {
- .clock_getres = hrtimer_get_res,
- .clock_get = posix_clock_realtime_get,
- .clock_set = posix_clock_realtime_set,
-@@ -239,7 +240,7 @@ static __init int init_posix_timers(void)
- .timer_get = common_timer_get,
- .timer_del = common_timer_del,
- };
-- struct k_clock clock_monotonic = {
-+ static struct k_clock clock_monotonic = {
- .clock_getres = hrtimer_get_res,
- .clock_get = posix_ktime_get_ts,
- .nsleep = common_nsleep,
-@@ -249,19 +250,19 @@ static __init int init_posix_timers(void)
- .timer_get = common_timer_get,
- .timer_del = common_timer_del,
- };
-- struct k_clock clock_monotonic_raw = {
-+ static struct k_clock clock_monotonic_raw = {
- .clock_getres = hrtimer_get_res,
- .clock_get = posix_get_monotonic_raw,
- };
-- struct k_clock clock_realtime_coarse = {
-+ static struct k_clock clock_realtime_coarse = {
- .clock_getres = posix_get_coarse_res,
- .clock_get = posix_get_realtime_coarse,
- };
-- struct k_clock clock_monotonic_coarse = {
-+ static struct k_clock clock_monotonic_coarse = {
- .clock_getres = posix_get_coarse_res,
- .clock_get = posix_get_monotonic_coarse,
- };
-- struct k_clock clock_boottime = {
-+ static struct k_clock clock_boottime = {
- .clock_getres = hrtimer_get_res,
- .clock_get = posix_get_boottime,
- .nsleep = common_nsleep,
-@@ -473,7 +474,7 @@ void posix_timers_register_clock(const clockid_t clock_id,
- return;
- }
-
-- posix_clocks[clock_id] = *new_clock;
-+ posix_clocks[clock_id] = new_clock;
- }
- EXPORT_SYMBOL_GPL(posix_timers_register_clock);
-
-@@ -519,9 +520,9 @@ static struct k_clock *clockid_to_kclock(const clockid_t id)
- return (id & CLOCKFD_MASK) == CLOCKFD ?
- &clock_posix_dynamic : &clock_posix_cpu;
-
-- if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres)
-+ if (id >= MAX_CLOCKS || !posix_clocks[id] || !posix_clocks[id]->clock_getres)
- return NULL;
-- return &posix_clocks[id];
-+ return posix_clocks[id];
- }
-
- static int common_timer_create(struct k_itimer *new_timer)
-@@ -959,6 +960,13 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
- if (copy_from_user(&new_tp, tp, sizeof (*tp)))
- return -EFAULT;
-
-+ /* only the CLOCK_REALTIME clock can be set, all other clocks
-+ have their clock_set fptr set to a nosettime dummy function
-+ CLOCK_REALTIME has a NULL clock_set fptr which causes it to
-+ call common_clock_set, which calls do_sys_settimeofday, which
-+ we hook
-+ */
-+
- return kc->clock_set(which_clock, &new_tp);
- }
-
-diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c
-index d523593..68197a4 100644
---- a/kernel/power/poweroff.c
-+++ b/kernel/power/poweroff.c
-@@ -37,7 +37,7 @@ static struct sysrq_key_op sysrq_poweroff_op = {
- .enable_mask = SYSRQ_ENABLE_BOOT,
- };
-
--static int pm_sysrq_init(void)
-+static int __init pm_sysrq_init(void)
- {
- register_sysrq_key('o', &sysrq_poweroff_op);
- return 0;
-diff --git a/kernel/power/process.c b/kernel/power/process.c
-index 19db29f..33b52b6 100644
---- a/kernel/power/process.c
-+++ b/kernel/power/process.c
-@@ -33,6 +33,7 @@ static int try_to_freeze_tasks(bool user_only)
- u64 elapsed_csecs64;
- unsigned int elapsed_csecs;
- bool wakeup = false;
-+ bool timedout = false;
-
- do_gettimeofday(&start);
-
-@@ -43,6 +44,8 @@ static int try_to_freeze_tasks(bool user_only)
-
- while (true) {
- todo = 0;
-+ if (time_after(jiffies, end_time))
-+ timedout = true;
- read_lock(&tasklist_lock);
- do_each_thread(g, p) {
- if (p == current || !freeze_task(p))
-@@ -58,9 +61,13 @@ static int try_to_freeze_tasks(bool user_only)
- * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING
- * transition can't race with task state testing here.
- */
-- if (!task_is_stopped_or_traced(p) &&
-- !freezer_should_skip(p))
-+ if (!task_is_stopped_or_traced(p) && !freezer_should_skip(p)) {
- todo++;
-+ if (timedout) {
-+ printk(KERN_ERR "Task refusing to freeze:\n");
-+ sched_show_task(p);
-+ }
-+ }
- } while_each_thread(g, p);
- read_unlock(&tasklist_lock);
-
-@@ -69,7 +76,7 @@ static int try_to_freeze_tasks(bool user_only)
- todo += wq_busy;
- }
-
-- if (!todo || time_after(jiffies, end_time))
-+ if (!todo || timedout)
- break;
-
- if (pm_wakeup_pending()) {
-diff --git a/kernel/printk.c b/kernel/printk.c
-index 146827f..a501fec 100644
---- a/kernel/printk.c
-+++ b/kernel/printk.c
-@@ -782,6 +782,11 @@ static int check_syslog_permissions(int type, bool from_file)
- if (from_file && type != SYSLOG_ACTION_OPEN)
- return 0;
-
-+#ifdef CONFIG_GRKERNSEC_DMESG
-+ if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN))
-+ return -EPERM;
-+#endif
-+
- if (syslog_action_restricted(type)) {
- if (capable(CAP_SYSLOG))
- return 0;
-diff --git a/kernel/profile.c b/kernel/profile.c
-index 76b8e77..a2930e8 100644
---- a/kernel/profile.c
-+++ b/kernel/profile.c
-@@ -39,7 +39,7 @@ struct profile_hit {
- /* Oprofile timer tick hook */
- static int (*timer_hook)(struct pt_regs *) __read_mostly;
-
--static atomic_t *prof_buffer;
-+static atomic_unchecked_t *prof_buffer;
- static unsigned long prof_len, prof_shift;
-
- int prof_on __read_mostly;
-@@ -281,7 +281,7 @@ static void profile_flip_buffers(void)
- hits[i].pc = 0;
- continue;
- }
-- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
-+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
- hits[i].hits = hits[i].pc = 0;
- }
- }
-@@ -342,9 +342,9 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
- * Add the current hit(s) and flush the write-queue out
- * to the global buffer:
- */
-- atomic_add(nr_hits, &prof_buffer[pc]);
-+ atomic_add_unchecked(nr_hits, &prof_buffer[pc]);
- for (i = 0; i < NR_PROFILE_HIT; ++i) {
-- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
-+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
- hits[i].pc = hits[i].hits = 0;
- }
- out:
-@@ -419,7 +419,7 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
- {
- unsigned long pc;
- pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift;
-- atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
-+ atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
- }
- #endif /* !CONFIG_SMP */
-
-@@ -517,7 +517,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
- return -EFAULT;
- buf++; p++; count--; read++;
- }
-- pnt = (char *)prof_buffer + p - sizeof(atomic_t);
-+ pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t);
- if (copy_to_user(buf, (void *)pnt, count))
- return -EFAULT;
- read += count;
-@@ -548,7 +548,7 @@ static ssize_t write_profile(struct file *file, const char __user *buf,
- }
- #endif
- profile_discard_flip_buffers();
-- memset(prof_buffer, 0, prof_len * sizeof(atomic_t));
-+ memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t));
- return count;
- }
-
-diff --git a/kernel/ptrace.c b/kernel/ptrace.c
-index a232bb5..2a65ef9 100644
---- a/kernel/ptrace.c
-+++ b/kernel/ptrace.c
-@@ -279,7 +279,7 @@ static int ptrace_attach(struct task_struct *task, long request,
-
- if (seize)
- flags |= PT_SEIZED;
-- if (ns_capable(task_user_ns(task), CAP_SYS_PTRACE))
-+ if (ns_capable_nolog(task_user_ns(task), CAP_SYS_PTRACE))
- flags |= PT_PTRACE_CAP;
- task->ptrace = flags;
-
-@@ -486,7 +486,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst
- break;
- return -EIO;
- }
-- if (copy_to_user(dst, buf, retval))
-+ if (retval > sizeof(buf) || copy_to_user(dst, buf, retval))
- return -EFAULT;
- copied += retval;
- src += retval;
-@@ -671,7 +671,7 @@ int ptrace_request(struct task_struct *child, long request,
- bool seized = child->ptrace & PT_SEIZED;
- int ret = -EIO;
- siginfo_t siginfo, *si;
-- void __user *datavp = (void __user *) data;
-+ void __user *datavp = (__force void __user *) data;
- unsigned long __user *datalp = datavp;
- unsigned long flags;
-
-@@ -873,14 +873,21 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
- goto out;
- }
-
-+ if (gr_handle_ptrace(child, request)) {
-+ ret = -EPERM;
-+ goto out_put_task_struct;
-+ }
-+
- if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
- ret = ptrace_attach(child, request, addr, data);
- /*
- * Some architectures need to do book-keeping after
- * a ptrace attach.
- */
-- if (!ret)
-+ if (!ret) {
- arch_ptrace_attach(child);
-+ gr_audit_ptrace(child);
-+ }
- goto out_put_task_struct;
- }
-
-@@ -906,7 +913,7 @@ int generic_ptrace_peekdata(struct task_struct *tsk, unsigned long addr,
- copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0);
- if (copied != sizeof(tmp))
- return -EIO;
-- return put_user(tmp, (unsigned long __user *)data);
-+ return put_user(tmp, (__force unsigned long __user *)data);
- }
-
- int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr,
-@@ -1016,14 +1023,21 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
- goto out;
- }
-
-+ if (gr_handle_ptrace(child, request)) {
-+ ret = -EPERM;
-+ goto out_put_task_struct;
-+ }
-+
- if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
- ret = ptrace_attach(child, request, addr, data);
- /*
- * Some architectures need to do book-keeping after
- * a ptrace attach.
- */
-- if (!ret)
-+ if (!ret) {
- arch_ptrace_attach(child);
-+ gr_audit_ptrace(child);
-+ }
- goto out_put_task_struct;
- }
-
-diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
-index 37a5444..eec170a 100644
---- a/kernel/rcutiny.c
-+++ b/kernel/rcutiny.c
-@@ -46,7 +46,7 @@
- struct rcu_ctrlblk;
- static void invoke_rcu_callbacks(void);
- static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp);
--static void rcu_process_callbacks(struct softirq_action *unused);
-+static void rcu_process_callbacks(void);
- static void __call_rcu(struct rcu_head *head,
- void (*func)(struct rcu_head *rcu),
- struct rcu_ctrlblk *rcp);
-@@ -307,7 +307,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
- rcu_is_callbacks_kthread()));
- }
-
--static void rcu_process_callbacks(struct softirq_action *unused)
-+static void rcu_process_callbacks(void)
- {
- __rcu_process_callbacks(&rcu_sched_ctrlblk);
- __rcu_process_callbacks(&rcu_bh_ctrlblk);
-diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
-index fc31a2d..be2ec04 100644
---- a/kernel/rcutiny_plugin.h
-+++ b/kernel/rcutiny_plugin.h
-@@ -939,7 +939,7 @@ static int rcu_kthread(void *arg)
- have_rcu_kthread_work = morework;
- local_irq_restore(flags);
- if (work)
-- rcu_process_callbacks(NULL);
-+ rcu_process_callbacks();
- schedule_timeout_interruptible(1); /* Leave CPU for others. */
- }
-
-diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
-index e66b34a..4b8b626 100644
---- a/kernel/rcutorture.c
-+++ b/kernel/rcutorture.c
-@@ -163,12 +163,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_count) =
- { 0 };
- static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_batch) =
- { 0 };
--static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
--static atomic_t n_rcu_torture_alloc;
--static atomic_t n_rcu_torture_alloc_fail;
--static atomic_t n_rcu_torture_free;
--static atomic_t n_rcu_torture_mberror;
--static atomic_t n_rcu_torture_error;
-+static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
-+static atomic_unchecked_t n_rcu_torture_alloc;
-+static atomic_unchecked_t n_rcu_torture_alloc_fail;
-+static atomic_unchecked_t n_rcu_torture_free;
-+static atomic_unchecked_t n_rcu_torture_mberror;
-+static atomic_unchecked_t n_rcu_torture_error;
- static long n_rcu_torture_barrier_error;
- static long n_rcu_torture_boost_ktrerror;
- static long n_rcu_torture_boost_rterror;
-@@ -265,11 +265,11 @@ rcu_torture_alloc(void)
-
- spin_lock_bh(&rcu_torture_lock);
- if (list_empty(&rcu_torture_freelist)) {
-- atomic_inc(&n_rcu_torture_alloc_fail);
-+ atomic_inc_unchecked(&n_rcu_torture_alloc_fail);
- spin_unlock_bh(&rcu_torture_lock);
- return NULL;
- }
-- atomic_inc(&n_rcu_torture_alloc);
-+ atomic_inc_unchecked(&n_rcu_torture_alloc);
- p = rcu_torture_freelist.next;
- list_del_init(p);
- spin_unlock_bh(&rcu_torture_lock);
-@@ -282,7 +282,7 @@ rcu_torture_alloc(void)
- static void
- rcu_torture_free(struct rcu_torture *p)
- {
-- atomic_inc(&n_rcu_torture_free);
-+ atomic_inc_unchecked(&n_rcu_torture_free);
- spin_lock_bh(&rcu_torture_lock);
- list_add_tail(&p->rtort_free, &rcu_torture_freelist);
- spin_unlock_bh(&rcu_torture_lock);
-@@ -403,7 +403,7 @@ rcu_torture_cb(struct rcu_head *p)
- i = rp->rtort_pipe_count;
- if (i > RCU_TORTURE_PIPE_LEN)
- i = RCU_TORTURE_PIPE_LEN;
-- atomic_inc(&rcu_torture_wcount[i]);
-+ atomic_inc_unchecked(&rcu_torture_wcount[i]);
- if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) {
- rp->rtort_mbtest = 0;
- rcu_torture_free(rp);
-@@ -451,7 +451,7 @@ static void rcu_sync_torture_deferred_free(struct rcu_torture *p)
- i = rp->rtort_pipe_count;
- if (i > RCU_TORTURE_PIPE_LEN)
- i = RCU_TORTURE_PIPE_LEN;
-- atomic_inc(&rcu_torture_wcount[i]);
-+ atomic_inc_unchecked(&rcu_torture_wcount[i]);
- if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) {
- rp->rtort_mbtest = 0;
- list_del(&rp->rtort_free);
-@@ -983,7 +983,7 @@ rcu_torture_writer(void *arg)
- i = old_rp->rtort_pipe_count;
- if (i > RCU_TORTURE_PIPE_LEN)
- i = RCU_TORTURE_PIPE_LEN;
-- atomic_inc(&rcu_torture_wcount[i]);
-+ atomic_inc_unchecked(&rcu_torture_wcount[i]);
- old_rp->rtort_pipe_count++;
- cur_ops->deferred_free(old_rp);
- }
-@@ -1064,7 +1064,7 @@ static void rcu_torture_timer(unsigned long unused)
- }
- do_trace_rcu_torture_read(cur_ops->name, &p->rtort_rcu);
- if (p->rtort_mbtest == 0)
-- atomic_inc(&n_rcu_torture_mberror);
-+ atomic_inc_unchecked(&n_rcu_torture_mberror);
- spin_lock(&rand_lock);
- cur_ops->read_delay(&rand);
- n_rcu_torture_timers++;
-@@ -1128,7 +1128,7 @@ rcu_torture_reader(void *arg)
- }
- do_trace_rcu_torture_read(cur_ops->name, &p->rtort_rcu);
- if (p->rtort_mbtest == 0)
-- atomic_inc(&n_rcu_torture_mberror);
-+ atomic_inc_unchecked(&n_rcu_torture_mberror);
- cur_ops->read_delay(&rand);
- preempt_disable();
- pipe_count = p->rtort_pipe_count;
-@@ -1191,10 +1191,10 @@ rcu_torture_printk(char *page)
- rcu_torture_current,
- rcu_torture_current_version,
- list_empty(&rcu_torture_freelist),
-- atomic_read(&n_rcu_torture_alloc),
-- atomic_read(&n_rcu_torture_alloc_fail),
-- atomic_read(&n_rcu_torture_free),
-- atomic_read(&n_rcu_torture_mberror),
-+ atomic_read_unchecked(&n_rcu_torture_alloc),
-+ atomic_read_unchecked(&n_rcu_torture_alloc_fail),
-+ atomic_read_unchecked(&n_rcu_torture_free),
-+ atomic_read_unchecked(&n_rcu_torture_mberror),
- n_rcu_torture_boost_ktrerror,
- n_rcu_torture_boost_rterror,
- n_rcu_torture_boost_failure,
-@@ -1208,14 +1208,14 @@ rcu_torture_printk(char *page)
- n_barrier_attempts,
- n_rcu_torture_barrier_error);
- cnt += sprintf(&page[cnt], "\n%s%s ", torture_type, TORTURE_FLAG);
-- if (atomic_read(&n_rcu_torture_mberror) != 0 ||
-+ if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 ||
- n_rcu_torture_barrier_error != 0 ||
- n_rcu_torture_boost_ktrerror != 0 ||
- n_rcu_torture_boost_rterror != 0 ||
- n_rcu_torture_boost_failure != 0 ||
- i > 1) {
- cnt += sprintf(&page[cnt], "!!! ");
-- atomic_inc(&n_rcu_torture_error);
-+ atomic_inc_unchecked(&n_rcu_torture_error);
- WARN_ON_ONCE(1);
- }
- cnt += sprintf(&page[cnt], "Reader Pipe: ");
-@@ -1229,7 +1229,7 @@ rcu_torture_printk(char *page)
- cnt += sprintf(&page[cnt], "Free-Block Circulation: ");
- for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
- cnt += sprintf(&page[cnt], " %d",
-- atomic_read(&rcu_torture_wcount[i]));
-+ atomic_read_unchecked(&rcu_torture_wcount[i]));
- }
- cnt += sprintf(&page[cnt], "\n");
- if (cur_ops->stats)
-@@ -1888,7 +1888,7 @@ rcu_torture_cleanup(void)
-
- if (cur_ops->cleanup)
- cur_ops->cleanup();
-- if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
-+ if (atomic_read_unchecked(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
- rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE");
- else if (n_online_successes != n_online_attempts ||
- n_offline_successes != n_offline_attempts)
-@@ -1958,18 +1958,18 @@ rcu_torture_init(void)
-
- rcu_torture_current = NULL;
- rcu_torture_current_version = 0;
-- atomic_set(&n_rcu_torture_alloc, 0);
-- atomic_set(&n_rcu_torture_alloc_fail, 0);
-- atomic_set(&n_rcu_torture_free, 0);
-- atomic_set(&n_rcu_torture_mberror, 0);
-- atomic_set(&n_rcu_torture_error, 0);
-+ atomic_set_unchecked(&n_rcu_torture_alloc, 0);
-+ atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0);
-+ atomic_set_unchecked(&n_rcu_torture_free, 0);
-+ atomic_set_unchecked(&n_rcu_torture_mberror, 0);
-+ atomic_set_unchecked(&n_rcu_torture_error, 0);
- n_rcu_torture_barrier_error = 0;
- n_rcu_torture_boost_ktrerror = 0;
- n_rcu_torture_boost_rterror = 0;
- n_rcu_torture_boost_failure = 0;
- n_rcu_torture_boosts = 0;
- for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++)
-- atomic_set(&rcu_torture_wcount[i], 0);
-+ atomic_set_unchecked(&rcu_torture_wcount[i], 0);
- for_each_possible_cpu(cpu) {
- for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
- per_cpu(rcu_torture_count, cpu)[i] = 0;
-diff --git a/kernel/rcutree.c b/kernel/rcutree.c
-index 4b97bba..b92c9d2 100644
---- a/kernel/rcutree.c
-+++ b/kernel/rcutree.c
-@@ -366,9 +366,9 @@ static void rcu_idle_enter_common(struct rcu_dynticks *rdtp, long long oldval)
- rcu_prepare_for_idle(smp_processor_id());
- /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
- smp_mb__before_atomic_inc(); /* See above. */
-- atomic_inc(&rdtp->dynticks);
-+ atomic_inc_unchecked(&rdtp->dynticks);
- smp_mb__after_atomic_inc(); /* Force ordering with next sojourn. */
-- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
-+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
-
- /*
- * The idle task is not permitted to enter the idle loop while
-@@ -457,10 +457,10 @@ void rcu_irq_exit(void)
- static void rcu_idle_exit_common(struct rcu_dynticks *rdtp, long long oldval)
- {
- smp_mb__before_atomic_inc(); /* Force ordering w/previous sojourn. */
-- atomic_inc(&rdtp->dynticks);
-+ atomic_inc_unchecked(&rdtp->dynticks);
- /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
- smp_mb__after_atomic_inc(); /* See above. */
-- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
-+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
- rcu_cleanup_after_idle(smp_processor_id());
- trace_rcu_dyntick("End", oldval, rdtp->dynticks_nesting);
- if (!is_idle_task(current)) {
-@@ -554,14 +554,14 @@ void rcu_nmi_enter(void)
- struct rcu_dynticks *rdtp = &__get_cpu_var(rcu_dynticks);
-
- if (rdtp->dynticks_nmi_nesting == 0 &&
-- (atomic_read(&rdtp->dynticks) & 0x1))
-+ (atomic_read_unchecked(&rdtp->dynticks) & 0x1))
- return;
- rdtp->dynticks_nmi_nesting++;
- smp_mb__before_atomic_inc(); /* Force delay from prior write. */
-- atomic_inc(&rdtp->dynticks);
-+ atomic_inc_unchecked(&rdtp->dynticks);
- /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
- smp_mb__after_atomic_inc(); /* See above. */
-- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
-+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
- }
-
- /**
-@@ -580,9 +580,9 @@ void rcu_nmi_exit(void)
- return;
- /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
- smp_mb__before_atomic_inc(); /* See above. */
-- atomic_inc(&rdtp->dynticks);
-+ atomic_inc_unchecked(&rdtp->dynticks);
- smp_mb__after_atomic_inc(); /* Force delay to next write. */
-- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
-+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
- }
-
- #ifdef CONFIG_PROVE_RCU
-@@ -598,7 +598,7 @@ int rcu_is_cpu_idle(void)
- int ret;
-
- preempt_disable();
-- ret = (atomic_read(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0;
-+ ret = (atomic_read_unchecked(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0;
- preempt_enable();
- return ret;
- }
-@@ -668,7 +668,7 @@ int rcu_is_cpu_rrupt_from_idle(void)
- */
- static int dyntick_save_progress_counter(struct rcu_data *rdp)
- {
-- rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks);
-+ rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
- return (rdp->dynticks_snap & 0x1) == 0;
- }
-
-@@ -683,7 +683,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
- unsigned int curr;
- unsigned int snap;
-
-- curr = (unsigned int)atomic_add_return(0, &rdp->dynticks->dynticks);
-+ curr = (unsigned int)atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
- snap = (unsigned int)rdp->dynticks_snap;
-
- /*
-@@ -713,10 +713,10 @@ static int jiffies_till_stall_check(void)
- * for CONFIG_RCU_CPU_STALL_TIMEOUT.
- */
- if (till_stall_check < 3) {
-- ACCESS_ONCE(rcu_cpu_stall_timeout) = 3;
-+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 3;
- till_stall_check = 3;
- } else if (till_stall_check > 300) {
-- ACCESS_ONCE(rcu_cpu_stall_timeout) = 300;
-+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 300;
- till_stall_check = 300;
- }
- return till_stall_check * HZ + RCU_STALL_DELAY_DELTA;
-@@ -1824,7 +1824,7 @@ __rcu_process_callbacks(struct rcu_state *rsp, struct rcu_data *rdp)
- /*
- * Do RCU core processing for the current CPU.
- */
--static void rcu_process_callbacks(struct softirq_action *unused)
-+static void rcu_process_callbacks(void)
- {
- trace_rcu_utilization("Start RCU core");
- __rcu_process_callbacks(&rcu_sched_state,
-@@ -2042,8 +2042,8 @@ void synchronize_rcu_bh(void)
- }
- EXPORT_SYMBOL_GPL(synchronize_rcu_bh);
-
--static atomic_t sync_sched_expedited_started = ATOMIC_INIT(0);
--static atomic_t sync_sched_expedited_done = ATOMIC_INIT(0);
-+static atomic_unchecked_t sync_sched_expedited_started = ATOMIC_INIT(0);
-+static atomic_unchecked_t sync_sched_expedited_done = ATOMIC_INIT(0);
-
- static int synchronize_sched_expedited_cpu_stop(void *data)
- {
-@@ -2104,7 +2104,7 @@ void synchronize_sched_expedited(void)
- int firstsnap, s, snap, trycount = 0;
-
- /* Note that atomic_inc_return() implies full memory barrier. */
-- firstsnap = snap = atomic_inc_return(&sync_sched_expedited_started);
-+ firstsnap = snap = atomic_inc_return_unchecked(&sync_sched_expedited_started);
- get_online_cpus();
- WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id()));
-
-@@ -2126,7 +2126,7 @@ void synchronize_sched_expedited(void)
- }
-
- /* Check to see if someone else did our work for us. */
-- s = atomic_read(&sync_sched_expedited_done);
-+ s = atomic_read_unchecked(&sync_sched_expedited_done);
- if (UINT_CMP_GE((unsigned)s, (unsigned)firstsnap)) {
- smp_mb(); /* ensure test happens before caller kfree */
- return;
-@@ -2141,7 +2141,7 @@ void synchronize_sched_expedited(void)
- * grace period works for us.
- */
- get_online_cpus();
-- snap = atomic_read(&sync_sched_expedited_started);
-+ snap = atomic_read_unchecked(&sync_sched_expedited_started);
- smp_mb(); /* ensure read is before try_stop_cpus(). */
- }
-
-@@ -2152,12 +2152,12 @@ void synchronize_sched_expedited(void)
- * than we did beat us to the punch.
- */
- do {
-- s = atomic_read(&sync_sched_expedited_done);
-+ s = atomic_read_unchecked(&sync_sched_expedited_done);
- if (UINT_CMP_GE((unsigned)s, (unsigned)snap)) {
- smp_mb(); /* ensure test happens before caller kfree */
- break;
- }
-- } while (atomic_cmpxchg(&sync_sched_expedited_done, s, snap) != s);
-+ } while (atomic_cmpxchg_unchecked(&sync_sched_expedited_done, s, snap) != s);
-
- put_online_cpus();
- }
-@@ -2421,7 +2421,7 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
- rdp->qlen = 0;
- rdp->dynticks = &per_cpu(rcu_dynticks, cpu);
- WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
-- WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1);
-+ WARN_ON_ONCE(atomic_read_unchecked(&rdp->dynticks->dynticks) != 1);
- rdp->cpu = cpu;
- rdp->rsp = rsp;
- raw_spin_unlock_irqrestore(&rnp->lock, flags);
-@@ -2449,8 +2449,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
- rdp->n_force_qs_snap = rsp->n_force_qs;
- rdp->blimit = blimit;
- rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE;
-- atomic_set(&rdp->dynticks->dynticks,
-- (atomic_read(&rdp->dynticks->dynticks) & ~0x1) + 1);
-+ atomic_set_unchecked(&rdp->dynticks->dynticks,
-+ (atomic_read_unchecked(&rdp->dynticks->dynticks) & ~0x1) + 1);
- rcu_prepare_for_idle_init(cpu);
- raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */
-
-diff --git a/kernel/rcutree.h b/kernel/rcutree.h
-index 19b61ac..5c60a94 100644
---- a/kernel/rcutree.h
-+++ b/kernel/rcutree.h
-@@ -83,7 +83,7 @@ struct rcu_dynticks {
- long long dynticks_nesting; /* Track irq/process nesting level. */
- /* Process level is worth LLONG_MAX/2. */
- int dynticks_nmi_nesting; /* Track NMI nesting level. */
-- atomic_t dynticks; /* Even value for idle, else odd. */
-+ atomic_unchecked_t dynticks;/* Even value for idle, else odd. */
- #ifdef CONFIG_RCU_FAST_NO_HZ
- int dyntick_drain; /* Prepare-for-idle state variable. */
- unsigned long dyntick_holdoff;
-diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
-index 3e48994..d94f03a 100644
---- a/kernel/rcutree_plugin.h
-+++ b/kernel/rcutree_plugin.h
-@@ -909,7 +909,7 @@ void synchronize_rcu_expedited(void)
-
- /* Clean up and exit. */
- smp_mb(); /* ensure expedited GP seen before counter increment. */
-- ACCESS_ONCE(sync_rcu_preempt_exp_count)++;
-+ ACCESS_ONCE_RW(sync_rcu_preempt_exp_count)++;
- unlock_mb_ret:
- mutex_unlock(&sync_rcu_preempt_exp_mutex);
- mb_ret:
-diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
-index d4bc16d..c234a5c 100644
---- a/kernel/rcutree_trace.c
-+++ b/kernel/rcutree_trace.c
-@@ -68,7 +68,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
- rdp->passed_quiesce, rdp->passed_quiesce_gpnum,
- rdp->qs_pending);
- seq_printf(m, " dt=%d/%llx/%d df=%lu",
-- atomic_read(&rdp->dynticks->dynticks),
-+ atomic_read_unchecked(&rdp->dynticks->dynticks),
- rdp->dynticks->dynticks_nesting,
- rdp->dynticks->dynticks_nmi_nesting,
- rdp->dynticks_fqs);
-@@ -140,7 +140,7 @@ static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp)
- rdp->passed_quiesce, rdp->passed_quiesce_gpnum,
- rdp->qs_pending);
- seq_printf(m, ",%d,%llx,%d,%lu",
-- atomic_read(&rdp->dynticks->dynticks),
-+ atomic_read_unchecked(&rdp->dynticks->dynticks),
- rdp->dynticks->dynticks_nesting,
- rdp->dynticks->dynticks_nmi_nesting,
- rdp->dynticks_fqs);
-diff --git a/kernel/resource.c b/kernel/resource.c
-index e1d2b8e..24820bb 100644
---- a/kernel/resource.c
-+++ b/kernel/resource.c
-@@ -141,8 +141,18 @@ static const struct file_operations proc_iomem_operations = {
-
- static int __init ioresources_init(void)
- {
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+#ifdef CONFIG_GRKERNSEC_PROC_USER
-+ proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations);
-+ proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations);
-+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
-+ proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations);
-+ proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations);
-+#endif
-+#else
- proc_create("ioports", 0, NULL, &proc_ioports_operations);
- proc_create("iomem", 0, NULL, &proc_iomem_operations);
-+#endif
- return 0;
- }
- __initcall(ioresources_init);
-diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
-index 98ec494..4241d6d 100644
---- a/kernel/rtmutex-tester.c
-+++ b/kernel/rtmutex-tester.c
-@@ -20,7 +20,7 @@
- #define MAX_RT_TEST_MUTEXES 8
-
- static spinlock_t rttest_lock;
--static atomic_t rttest_event;
-+static atomic_unchecked_t rttest_event;
-
- struct test_thread_data {
- int opcode;
-@@ -61,7 +61,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
-
- case RTTEST_LOCKCONT:
- td->mutexes[td->opdata] = 1;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- return 0;
-
- case RTTEST_RESET:
-@@ -74,7 +74,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
- return 0;
-
- case RTTEST_RESETEVENT:
-- atomic_set(&rttest_event, 0);
-+ atomic_set_unchecked(&rttest_event, 0);
- return 0;
-
- default:
-@@ -91,9 +91,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
- return ret;
-
- td->mutexes[id] = 1;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- rt_mutex_lock(&mutexes[id]);
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- td->mutexes[id] = 4;
- return 0;
-
-@@ -104,9 +104,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
- return ret;
-
- td->mutexes[id] = 1;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- ret = rt_mutex_lock_interruptible(&mutexes[id], 0);
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- td->mutexes[id] = ret ? 0 : 4;
- return ret ? -EINTR : 0;
-
-@@ -115,9 +115,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
- if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4)
- return ret;
-
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- rt_mutex_unlock(&mutexes[id]);
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- td->mutexes[id] = 0;
- return 0;
-
-@@ -164,7 +164,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
- break;
-
- td->mutexes[dat] = 2;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- break;
-
- default:
-@@ -184,7 +184,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
- return;
-
- td->mutexes[dat] = 3;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- break;
-
- case RTTEST_LOCKNOWAIT:
-@@ -196,7 +196,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
- return;
-
- td->mutexes[dat] = 1;
-- td->event = atomic_add_return(1, &rttest_event);
-+ td->event = atomic_add_return_unchecked(1, &rttest_event);
- return;
-
- default:
-diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c
-index 0984a21..939f183 100644
---- a/kernel/sched/auto_group.c
-+++ b/kernel/sched/auto_group.c
-@@ -11,7 +11,7 @@
-
- unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
- static struct autogroup autogroup_default;
--static atomic_t autogroup_seq_nr;
-+static atomic_unchecked_t autogroup_seq_nr;
-
- void __init autogroup_init(struct task_struct *init_task)
- {
-@@ -78,7 +78,7 @@ static inline struct autogroup *autogroup_create(void)
-
- kref_init(&ag->kref);
- init_rwsem(&ag->lock);
-- ag->id = atomic_inc_return(&autogroup_seq_nr);
-+ ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr);
- ag->tg = tg;
- #ifdef CONFIG_RT_GROUP_SCHED
- /*
-diff --git a/kernel/sched/core.c b/kernel/sched/core.c
-index 468bdd4..b941572 100644
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -4097,6 +4097,8 @@ int can_nice(const struct task_struct *p, const int nice)
- /* convert nice value [19,-20] to rlimit style value [1,40] */
- int nice_rlim = 20 - nice;
-
-+ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1);
-+
- return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- capable(CAP_SYS_NICE));
- }
-@@ -4130,7 +4132,8 @@ SYSCALL_DEFINE1(nice, int, increment)
- if (nice > 19)
- nice = 19;
-
-- if (increment < 0 && !can_nice(current, nice))
-+ if (increment < 0 && (!can_nice(current, nice) ||
-+ gr_handle_chroot_nice()))
- return -EPERM;
-
- retval = security_task_setnice(current, nice);
-@@ -4284,6 +4287,7 @@ recheck:
- unsigned long rlim_rtprio =
- task_rlimit(p, RLIMIT_RTPRIO);
-
-+ gr_learn_resource(p, RLIMIT_RTPRIO, param->sched_priority, 1);
- /* can't set/change the rt policy */
- if (policy != p->policy && !rlim_rtprio)
- return -EPERM;
-diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
-index c099cc6..06aec4f 100644
---- a/kernel/sched/fair.c
-+++ b/kernel/sched/fair.c
-@@ -4846,7 +4846,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle) { }
- * run_rebalance_domains is triggered when needed from the scheduler tick.
- * Also triggered for nohz idle balancing (with nohz_balancing_kick set).
- */
--static void run_rebalance_domains(struct softirq_action *h)
-+static void run_rebalance_domains(void)
- {
- int this_cpu = smp_processor_id();
- struct rq *this_rq = cpu_rq(this_cpu);
-diff --git a/kernel/signal.c b/kernel/signal.c
-index 6771027..763e51e 100644
---- a/kernel/signal.c
-+++ b/kernel/signal.c
-@@ -48,12 +48,12 @@ static struct kmem_cache *sigqueue_cachep;
-
- int print_fatal_signals __read_mostly;
-
--static void __user *sig_handler(struct task_struct *t, int sig)
-+static __sighandler_t sig_handler(struct task_struct *t, int sig)
- {
- return t->sighand->action[sig - 1].sa.sa_handler;
- }
-
--static int sig_handler_ignored(void __user *handler, int sig)
-+static int sig_handler_ignored(__sighandler_t handler, int sig)
- {
- /* Is it explicitly or implicitly ignored? */
- return handler == SIG_IGN ||
-@@ -62,7 +62,7 @@ static int sig_handler_ignored(void __user *handler, int sig)
-
- static int sig_task_ignored(struct task_struct *t, int sig, bool force)
- {
-- void __user *handler;
-+ __sighandler_t handler;
-
- handler = sig_handler(t, sig);
-
-@@ -366,6 +366,9 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi
- atomic_inc(&user->sigpending);
- rcu_read_unlock();
-
-+ if (!override_rlimit)
-+ gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1);
-+
- if (override_rlimit ||
- atomic_read(&user->sigpending) <=
- task_rlimit(t, RLIMIT_SIGPENDING)) {
-@@ -490,7 +493,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
-
- int unhandled_signal(struct task_struct *tsk, int sig)
- {
-- void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler;
-+ __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler;
- if (is_global_init(tsk))
- return 1;
- if (handler != SIG_IGN && handler != SIG_DFL)
-@@ -816,6 +819,13 @@ static int check_kill_permission(int sig, struct siginfo *info,
- }
- }
-
-+ /* allow glibc communication via tgkill to other threads in our
-+ thread group */
-+ if ((info == SEND_SIG_NOINFO || info->si_code != SI_TKILL ||
-+ sig != (SIGRTMIN+1) || task_tgid_vnr(t) != info->si_pid)
-+ && gr_handle_signal(t, sig))
-+ return -EPERM;
-+
- return security_task_kill(t, info, sig, 0);
- }
-
-@@ -1197,7 +1207,7 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
- return send_signal(sig, info, p, 1);
- }
-
--static int
-+int
- specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
- {
- return send_signal(sig, info, t, 0);
-@@ -1234,6 +1244,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
- unsigned long int flags;
- int ret, blocked, ignored;
- struct k_sigaction *action;
-+ int is_unhandled = 0;
-
- spin_lock_irqsave(&t->sighand->siglock, flags);
- action = &t->sighand->action[sig-1];
-@@ -1248,9 +1259,18 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
- }
- if (action->sa.sa_handler == SIG_DFL)
- t->signal->flags &= ~SIGNAL_UNKILLABLE;
-+ if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL)
-+ is_unhandled = 1;
- ret = specific_send_sig_info(sig, info, t);
- spin_unlock_irqrestore(&t->sighand->siglock, flags);
-
-+ /* only deal with unhandled signals, java etc trigger SIGSEGV during
-+ normal operation */
-+ if (is_unhandled) {
-+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t);
-+ gr_handle_crash(t, sig);
-+ }
-+
- return ret;
- }
-
-@@ -1317,8 +1337,11 @@ int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
- ret = check_kill_permission(sig, info, p);
- rcu_read_unlock();
-
-- if (!ret && sig)
-+ if (!ret && sig) {
- ret = do_send_sig_info(sig, info, p, true);
-+ if (!ret)
-+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p);
-+ }
-
- return ret;
- }
-@@ -2858,7 +2881,15 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info)
- int error = -ESRCH;
-
- rcu_read_lock();
-- p = find_task_by_vpid(pid);
-+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
-+ /* allow glibc communication via tgkill to other threads in our
-+ thread group */
-+ if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL &&
-+ sig == (SIGRTMIN+1) && tgid == info->si_pid)
-+ p = find_task_by_vpid_unrestricted(pid);
-+ else
-+#endif
-+ p = find_task_by_vpid(pid);
- if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) {
- error = check_kill_permission(sig, info, p);
- /*
-diff --git a/kernel/smp.c b/kernel/smp.c
-index d0ae5b2..b87c5a8 100644
---- a/kernel/smp.c
-+++ b/kernel/smp.c
-@@ -582,22 +582,22 @@ int smp_call_function(smp_call_func_t func, void *info, int wait)
- }
- EXPORT_SYMBOL(smp_call_function);
-
--void ipi_call_lock(void)
-+void ipi_call_lock(void) __acquires(call_function.lock)
- {
- raw_spin_lock(&call_function.lock);
- }
-
--void ipi_call_unlock(void)
-+void ipi_call_unlock(void) __releases(call_function.lock)
- {
- raw_spin_unlock(&call_function.lock);
- }
-
--void ipi_call_lock_irq(void)
-+void ipi_call_lock_irq(void) __acquires(call_function.lock)
- {
- raw_spin_lock_irq(&call_function.lock);
- }
-
--void ipi_call_unlock_irq(void)
-+void ipi_call_unlock_irq(void) __releases(call_function.lock)
- {
- raw_spin_unlock_irq(&call_function.lock);
- }
-diff --git a/kernel/softirq.c b/kernel/softirq.c
-index 671f959..91c51cb 100644
---- a/kernel/softirq.c
-+++ b/kernel/softirq.c
-@@ -56,7 +56,7 @@ static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp
-
- DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
-
--char *softirq_to_name[NR_SOFTIRQS] = {
-+const char * const softirq_to_name[NR_SOFTIRQS] = {
- "HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "BLOCK_IOPOLL",
- "TASKLET", "SCHED", "HRTIMER", "RCU"
- };
-@@ -235,7 +235,7 @@ restart:
- kstat_incr_softirqs_this_cpu(vec_nr);
-
- trace_softirq_entry(vec_nr);
-- h->action(h);
-+ h->action();
- trace_softirq_exit(vec_nr);
- if (unlikely(prev_count != preempt_count())) {
- printk(KERN_ERR "huh, entered softirq %u %s %p"
-@@ -381,9 +381,11 @@ void __raise_softirq_irqoff(unsigned int nr)
- or_softirq_pending(1UL << nr);
- }
-
--void open_softirq(int nr, void (*action)(struct softirq_action *))
-+void open_softirq(int nr, void (*action)(void))
- {
-- softirq_vec[nr].action = action;
-+ pax_open_kernel();
-+ *(void **)&softirq_vec[nr].action = action;
-+ pax_close_kernel();
- }
-
- /*
-@@ -437,7 +439,7 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t)
-
- EXPORT_SYMBOL(__tasklet_hi_schedule_first);
-
--static void tasklet_action(struct softirq_action *a)
-+static void tasklet_action(void)
- {
- struct tasklet_struct *list;
-
-@@ -472,7 +474,7 @@ static void tasklet_action(struct softirq_action *a)
- }
- }
-
--static void tasklet_hi_action(struct softirq_action *a)
-+static void tasklet_hi_action(void)
- {
- struct tasklet_struct *list;
-
-diff --git a/kernel/srcu.c b/kernel/srcu.c
-index 2095be3..9a5b89d 100644
---- a/kernel/srcu.c
-+++ b/kernel/srcu.c
-@@ -302,9 +302,9 @@ int __srcu_read_lock(struct srcu_struct *sp)
- preempt_disable();
- idx = rcu_dereference_index_check(sp->completed,
- rcu_read_lock_sched_held()) & 0x1;
-- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1;
-+ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1;
- smp_mb(); /* B */ /* Avoid leaking the critical section. */
-- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1;
-+ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1;
- preempt_enable();
- return idx;
- }
-@@ -320,7 +320,7 @@ void __srcu_read_unlock(struct srcu_struct *sp, int idx)
- {
- preempt_disable();
- smp_mb(); /* C */ /* Avoid leaking the critical section. */
-- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) -= 1;
-+ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) -= 1;
- preempt_enable();
- }
- EXPORT_SYMBOL_GPL(__srcu_read_unlock);
-diff --git a/kernel/sys.c b/kernel/sys.c
-index 2d39a84..f778b49 100644
---- a/kernel/sys.c
-+++ b/kernel/sys.c
-@@ -157,6 +157,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error)
- error = -EACCES;
- goto out;
- }
-+
-+ if (gr_handle_chroot_setpriority(p, niceval)) {
-+ error = -EACCES;
-+ goto out;
-+ }
-+
- no_nice = security_task_setnice(p, niceval);
- if (no_nice) {
- error = no_nice;
-@@ -594,6 +600,9 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid)
- goto error;
- }
-
-+ if (gr_check_group_change(new->gid, new->egid, -1))
-+ goto error;
-+
- if (rgid != (gid_t) -1 ||
- (egid != (gid_t) -1 && !gid_eq(kegid, old->gid)))
- new->sgid = new->egid;
-@@ -629,6 +638,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid)
- old = current_cred();
-
- retval = -EPERM;
-+
-+ if (gr_check_group_change(kgid, kgid, kgid))
-+ goto error;
-+
- if (nsown_capable(CAP_SETGID))
- new->gid = new->egid = new->sgid = new->fsgid = kgid;
- else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid))
-@@ -646,7 +659,7 @@ error:
- /*
- * change the user struct in a credentials set to match the new UID
- */
--static int set_user(struct cred *new)
-+int set_user(struct cred *new)
- {
- struct user_struct *new_user;
-
-@@ -726,6 +739,9 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid)
- goto error;
- }
-
-+ if (gr_check_user_change(new->uid, new->euid, -1))
-+ goto error;
-+
- if (!uid_eq(new->uid, old->uid)) {
- retval = set_user(new);
- if (retval < 0)
-@@ -776,6 +792,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid)
- old = current_cred();
-
- retval = -EPERM;
-+
-+ if (gr_check_crash_uid(kuid))
-+ goto error;
-+ if (gr_check_user_change(kuid, kuid, kuid))
-+ goto error;
-+
- if (nsown_capable(CAP_SETUID)) {
- new->suid = new->uid = kuid;
- if (!uid_eq(kuid, old->uid)) {
-@@ -845,6 +867,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
- goto error;
- }
-
-+ if (gr_check_user_change(kruid, keuid, -1))
-+ goto error;
-+
- if (ruid != (uid_t) -1) {
- new->uid = kruid;
- if (!uid_eq(kruid, old->uid)) {
-@@ -927,6 +952,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
- goto error;
- }
-
-+ if (gr_check_group_change(krgid, kegid, -1))
-+ goto error;
-+
- if (rgid != (gid_t) -1)
- new->gid = krgid;
- if (egid != (gid_t) -1)
-@@ -980,6 +1008,9 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
- if (!uid_valid(kuid))
- return old_fsuid;
-
-+ if (gr_check_user_change(-1, -1, kuid))
-+ goto error;
-+
- new = prepare_creds();
- if (!new)
- return old_fsuid;
-@@ -994,6 +1025,7 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
- }
- }
-
-+error:
- abort_creds(new);
- return old_fsuid;
-
-@@ -1026,12 +1058,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid)
- if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->egid) ||
- gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) ||
- nsown_capable(CAP_SETGID)) {
-+ if (gr_check_group_change(-1, -1, kgid))
-+ goto error;
-+
- if (!gid_eq(kgid, old->fsgid)) {
- new->fsgid = kgid;
- goto change_okay;
- }
- }
-
-+error:
- abort_creds(new);
- return old_fsgid;
-
-@@ -1283,7 +1319,10 @@ static int override_release(char __user *release, int len)
- }
- v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 40;
- snprintf(buf, len, "2.6.%u%s", v, rest);
-- ret = copy_to_user(release, buf, len);
-+ if (len > sizeof(buf))
-+ ret = -EFAULT;
-+ else
-+ ret = copy_to_user(release, buf, len);
- }
- return ret;
- }
-@@ -1337,19 +1376,19 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
- return -EFAULT;
-
- down_read(&uts_sem);
-- error = __copy_to_user(&name->sysname, &utsname()->sysname,
-+ error = __copy_to_user(name->sysname, &utsname()->sysname,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-- error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-+ error |= __copy_to_user(name->nodename, &utsname()->nodename,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-- error |= __copy_to_user(&name->release, &utsname()->release,
-+ error |= __copy_to_user(name->release, &utsname()->release,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->release + __OLD_UTS_LEN);
-- error |= __copy_to_user(&name->version, &utsname()->version,
-+ error |= __copy_to_user(name->version, &utsname()->version,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->version + __OLD_UTS_LEN);
-- error |= __copy_to_user(&name->machine, &utsname()->machine,
-+ error |= __copy_to_user(name->machine, &utsname()->machine,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->machine + __OLD_UTS_LEN);
- up_read(&uts_sem);
-@@ -2024,7 +2063,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
- error = get_dumpable(me->mm);
- break;
- case PR_SET_DUMPABLE:
-- if (arg2 < 0 || arg2 > 1) {
-+ if (arg2 > 1) {
- error = -EINVAL;
- break;
- }
-diff --git a/kernel/sysctl.c b/kernel/sysctl.c
-index 4ab1187..33f4f2b 100644
---- a/kernel/sysctl.c
-+++ b/kernel/sysctl.c
-@@ -91,7 +91,6 @@
-
-
- #if defined(CONFIG_SYSCTL)
--
- /* External variables not in a header file. */
- extern int sysctl_overcommit_memory;
- extern int sysctl_overcommit_ratio;
-@@ -169,10 +168,13 @@ static int proc_taint(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
- #endif
-
--#ifdef CONFIG_PRINTK
- static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
--#endif
-+
-+static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos);
-+static int proc_dostring_coredump(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos);
-
- #ifdef CONFIG_MAGIC_SYSRQ
- /* Note: sysrq code uses it's own private copy */
-@@ -196,6 +198,8 @@ static int sysrq_sysctl_handler(ctl_table *table, int write,
-
- #endif
-
-+extern struct ctl_table grsecurity_table[];
-+
- static struct ctl_table kern_table[];
- static struct ctl_table vm_table[];
- static struct ctl_table fs_table[];
-@@ -210,6 +214,20 @@ extern struct ctl_table epoll_table[];
- int sysctl_legacy_va_layout;
- #endif
-
-+#ifdef CONFIG_PAX_SOFTMODE
-+static ctl_table pax_table[] = {
-+ {
-+ .procname = "softmode",
-+ .data = &pax_softmode,
-+ .maxlen = sizeof(unsigned int),
-+ .mode = 0600,
-+ .proc_handler = &proc_dointvec,
-+ },
-+
-+ { }
-+};
-+#endif
-+
- /* The default sysctl tables: */
-
- static struct ctl_table sysctl_base_table[] = {
-@@ -256,6 +274,22 @@ static int max_extfrag_threshold = 1000;
- #endif
-
- static struct ctl_table kern_table[] = {
-+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS)
-+ {
-+ .procname = "grsecurity",
-+ .mode = 0500,
-+ .child = grsecurity_table,
-+ },
-+#endif
-+
-+#ifdef CONFIG_PAX_SOFTMODE
-+ {
-+ .procname = "pax",
-+ .mode = 0500,
-+ .child = pax_table,
-+ },
-+#endif
-+
- {
- .procname = "sched_child_runs_first",
- .data = &sysctl_sched_child_runs_first,
-@@ -410,7 +444,7 @@ static struct ctl_table kern_table[] = {
- .data = core_pattern,
- .maxlen = CORENAME_MAX_SIZE,
- .mode = 0644,
-- .proc_handler = proc_dostring,
-+ .proc_handler = proc_dostring_coredump,
- },
- {
- .procname = "core_pipe_limit",
-@@ -540,7 +574,7 @@ static struct ctl_table kern_table[] = {
- .data = &modprobe_path,
- .maxlen = KMOD_PATH_LEN,
- .mode = 0644,
-- .proc_handler = proc_dostring,
-+ .proc_handler = proc_dostring_modpriv,
- },
- {
- .procname = "modules_disabled",
-@@ -707,16 +741,20 @@ static struct ctl_table kern_table[] = {
- .extra1 = &zero,
- .extra2 = &one,
- },
-+#endif
- {
- .procname = "kptr_restrict",
- .data = &kptr_restrict,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax_sysadmin,
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ .extra1 = &two,
-+#else
- .extra1 = &zero,
-+#endif
- .extra2 = &two,
- },
--#endif
- {
- .procname = "ngroups_max",
- .data = &ngroups_max,
-@@ -1215,6 +1253,13 @@ static struct ctl_table vm_table[] = {
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- },
-+ {
-+ .procname = "heap_stack_gap",
-+ .data = &sysctl_heap_stack_gap,
-+ .maxlen = sizeof(sysctl_heap_stack_gap),
-+ .mode = 0644,
-+ .proc_handler = proc_doulongvec_minmax,
-+ },
- #else
- {
- .procname = "nr_trim_pages",
-@@ -1498,7 +1543,7 @@ static struct ctl_table fs_table[] = {
- .data = &suid_dumpable,
- .maxlen = sizeof(int),
- .mode = 0644,
-- .proc_handler = proc_dointvec_minmax,
-+ .proc_handler = proc_dointvec_minmax_coredump,
- .extra1 = &zero,
- .extra2 = &two,
- },
-@@ -1645,6 +1690,16 @@ int proc_dostring(struct ctl_table *table, int write,
- buffer, lenp, ppos);
- }
-
-+int proc_dostring_modpriv(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos)
-+{
-+ if (write && !capable(CAP_SYS_MODULE))
-+ return -EPERM;
-+
-+ return _proc_do_string(table->data, table->maxlen, write,
-+ buffer, lenp, ppos);
-+}
-+
- static size_t proc_skip_spaces(char **buf)
- {
- size_t ret;
-@@ -1750,6 +1805,8 @@ static int proc_put_long(void __user **buf, size_t *size, unsigned long val,
- len = strlen(tmp);
- if (len > *size)
- len = *size;
-+ if (len > sizeof(tmp))
-+ len = sizeof(tmp);
- if (copy_to_user(*buf, tmp, len))
- return -EFAULT;
- *size -= len;
-@@ -1942,7 +1999,6 @@ static int proc_taint(struct ctl_table *table, int write,
- return err;
- }
-
--#ifdef CONFIG_PRINTK
- static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
- {
-@@ -1951,7 +2007,6 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
-
- return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
- }
--#endif
-
- struct do_proc_dointvec_minmax_conv_param {
- int *min;
-@@ -2009,6 +2064,34 @@ int proc_dointvec_minmax(struct ctl_table *table, int write,
- do_proc_dointvec_minmax_conv, ¶m);
- }
-
-+static void validate_coredump_safety(void)
-+{
-+ if (suid_dumpable == SUID_DUMPABLE_SAFE &&
-+ core_pattern[0] != '/' && core_pattern[0] != '|') {
-+ printk(KERN_WARNING "Unsafe core_pattern used with "\
-+ "suid_dumpable=2. Pipe handler or fully qualified "\
-+ "core dump path required.\n");
-+ }
-+}
-+
-+static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos)
-+{
-+ int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
-+ if (!error)
-+ validate_coredump_safety();
-+ return error;
-+}
-+
-+static int proc_dostring_coredump(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos)
-+{
-+ int error = proc_dostring(table, write, buffer, lenp, ppos);
-+ if (!error)
-+ validate_coredump_safety();
-+ return error;
-+}
-+
- static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos,
-@@ -2066,8 +2149,11 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
- *i = val;
- } else {
- val = convdiv * (*i) / convmul;
-- if (!first)
-+ if (!first) {
- err = proc_put_char(&buffer, &left, '\t');
-+ if (err)
-+ break;
-+ }
- err = proc_put_long(&buffer, &left, val, false);
- if (err)
- break;
-@@ -2459,6 +2545,12 @@ int proc_dostring(struct ctl_table *table, int write,
- return -ENOSYS;
- }
-
-+int proc_dostring_modpriv(struct ctl_table *table, int write,
-+ void __user *buffer, size_t *lenp, loff_t *ppos)
-+{
-+ return -ENOSYS;
-+}
-+
- int proc_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
- {
-@@ -2515,5 +2607,6 @@ EXPORT_SYMBOL(proc_dointvec_minmax);
- EXPORT_SYMBOL(proc_dointvec_userhz_jiffies);
- EXPORT_SYMBOL(proc_dointvec_ms_jiffies);
- EXPORT_SYMBOL(proc_dostring);
-+EXPORT_SYMBOL(proc_dostring_modpriv);
- EXPORT_SYMBOL(proc_doulongvec_minmax);
- EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax);
-diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
-index a650694..aaeeb20 100644
---- a/kernel/sysctl_binary.c
-+++ b/kernel/sysctl_binary.c
-@@ -989,7 +989,7 @@ static ssize_t bin_intvec(struct file *file,
- int i;
-
- set_fs(KERNEL_DS);
-- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
-+ result = vfs_read(file, (char __force_user *)buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out_kfree;
-@@ -1034,7 +1034,7 @@ static ssize_t bin_intvec(struct file *file,
- }
-
- set_fs(KERNEL_DS);
-- result = vfs_write(file, buffer, str - buffer, &pos);
-+ result = vfs_write(file, (const char __force_user *)buffer, str - buffer, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out_kfree;
-@@ -1067,7 +1067,7 @@ static ssize_t bin_ulongvec(struct file *file,
- int i;
-
- set_fs(KERNEL_DS);
-- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
-+ result = vfs_read(file, (char __force_user *)buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out_kfree;
-@@ -1112,7 +1112,7 @@ static ssize_t bin_ulongvec(struct file *file,
- }
-
- set_fs(KERNEL_DS);
-- result = vfs_write(file, buffer, str - buffer, &pos);
-+ result = vfs_write(file, (const char __force_user *)buffer, str - buffer, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out_kfree;
-@@ -1138,7 +1138,7 @@ static ssize_t bin_uuid(struct file *file,
- int i;
-
- set_fs(KERNEL_DS);
-- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
-+ result = vfs_read(file, (char __force_user *)buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out;
-@@ -1185,7 +1185,7 @@ static ssize_t bin_dn_node_address(struct file *file,
- __le16 dnaddr;
-
- set_fs(KERNEL_DS);
-- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
-+ result = vfs_read(file, (char __force_user *)buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out;
-@@ -1233,7 +1233,7 @@ static ssize_t bin_dn_node_address(struct file *file,
- le16_to_cpu(dnaddr) & 0x3ff);
-
- set_fs(KERNEL_DS);
-- result = vfs_write(file, buf, len, &pos);
-+ result = vfs_write(file, (const char __force_user *)buf, len, &pos);
- set_fs(old_fs);
- if (result < 0)
- goto out;
-diff --git a/kernel/taskstats.c b/kernel/taskstats.c
-index e660464..c8b9e67 100644
---- a/kernel/taskstats.c
-+++ b/kernel/taskstats.c
-@@ -27,9 +27,12 @@
- #include <linux/cgroup.h>
- #include <linux/fs.h>
- #include <linux/file.h>
-+#include <linux/grsecurity.h>
- #include <net/genetlink.h>
- #include <linux/atomic.h>
-
-+extern int gr_is_taskstats_denied(int pid);
-+
- /*
- * Maximum length of a cpumask that can be specified in
- * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute
-@@ -556,6 +559,9 @@ err:
-
- static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info)
- {
-+ if (gr_is_taskstats_denied(current->pid))
-+ return -EACCES;
-+
- if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK])
- return cmd_attr_register_cpumask(info);
- else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK])
-diff --git a/kernel/time.c b/kernel/time.c
-index ba744cf..267b7c5 100644
---- a/kernel/time.c
-+++ b/kernel/time.c
-@@ -163,6 +163,11 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz)
- return error;
-
- if (tz) {
-+ /* we log in do_settimeofday called below, so don't log twice
-+ */
-+ if (!tv)
-+ gr_log_timechange();
-+
- sys_tz = *tz;
- update_vsyscall_tz();
- if (firsttime) {
-diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
-index aa27d39..34d221c 100644
---- a/kernel/time/alarmtimer.c
-+++ b/kernel/time/alarmtimer.c
-@@ -779,7 +779,7 @@ static int __init alarmtimer_init(void)
- struct platform_device *pdev;
- int error = 0;
- int i;
-- struct k_clock alarm_clock = {
-+ static struct k_clock alarm_clock = {
- .clock_getres = alarm_clock_getres,
- .clock_get = alarm_clock_get,
- .timer_create = alarm_timer_create,
-diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
-index f113755..ec24223 100644
---- a/kernel/time/tick-broadcast.c
-+++ b/kernel/time/tick-broadcast.c
-@@ -115,7 +115,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
- * then clear the broadcast bit.
- */
- if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) {
-- int cpu = smp_processor_id();
-+ cpu = smp_processor_id();
-
- cpumask_clear_cpu(cpu, tick_get_broadcast_mask());
- tick_broadcast_clear_oneshot(cpu);
-diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
-index 3447cfa..291806b 100644
---- a/kernel/time/timekeeping.c
-+++ b/kernel/time/timekeeping.c
-@@ -14,6 +14,7 @@
- #include <linux/init.h>
- #include <linux/mm.h>
- #include <linux/sched.h>
-+#include <linux/grsecurity.h>
- #include <linux/syscore_ops.h>
- #include <linux/clocksource.h>
- #include <linux/jiffies.h>
-@@ -387,6 +388,8 @@ int do_settimeofday(const struct timespec *tv)
- if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
- return -EINVAL;
-
-+ gr_log_timechange();
-+
- write_seqlock_irqsave(&timekeeper.lock, flags);
-
- timekeeping_forward_now();
-diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
-index 3258455..f35227d 100644
---- a/kernel/time/timer_list.c
-+++ b/kernel/time/timer_list.c
-@@ -38,12 +38,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases);
-
- static void print_name_offset(struct seq_file *m, void *sym)
- {
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ SEQ_printf(m, "<%p>", NULL);
-+#else
- char symname[KSYM_NAME_LEN];
-
- if (lookup_symbol_name((unsigned long)sym, symname) < 0)
- SEQ_printf(m, "<%pK>", sym);
- else
- SEQ_printf(m, "%s", symname);
-+#endif
- }
-
- static void
-@@ -112,7 +116,11 @@ next_one:
- static void
- print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
- {
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ SEQ_printf(m, " .base: %p\n", NULL);
-+#else
- SEQ_printf(m, " .base: %pK\n", base);
-+#endif
- SEQ_printf(m, " .index: %d\n",
- base->index);
- SEQ_printf(m, " .resolution: %Lu nsecs\n",
-@@ -293,7 +301,11 @@ static int __init init_timer_list_procfs(void)
- {
- struct proc_dir_entry *pe;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops);
-+#else
- pe = proc_create("timer_list", 0444, NULL, &timer_list_fops);
-+#endif
- if (!pe)
- return -ENOMEM;
- return 0;
-diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
-index 0b537f2..9e71eca 100644
---- a/kernel/time/timer_stats.c
-+++ b/kernel/time/timer_stats.c
-@@ -116,7 +116,7 @@ static ktime_t time_start, time_stop;
- static unsigned long nr_entries;
- static struct entry entries[MAX_ENTRIES];
-
--static atomic_t overflow_count;
-+static atomic_unchecked_t overflow_count;
-
- /*
- * The entries are in a hash-table, for fast lookup:
-@@ -140,7 +140,7 @@ static void reset_entries(void)
- nr_entries = 0;
- memset(entries, 0, sizeof(entries));
- memset(tstat_hash_table, 0, sizeof(tstat_hash_table));
-- atomic_set(&overflow_count, 0);
-+ atomic_set_unchecked(&overflow_count, 0);
- }
-
- static struct entry *alloc_entry(void)
-@@ -261,7 +261,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
- if (likely(entry))
- entry->count++;
- else
-- atomic_inc(&overflow_count);
-+ atomic_inc_unchecked(&overflow_count);
-
- out_unlock:
- raw_spin_unlock_irqrestore(lock, flags);
-@@ -269,12 +269,16 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
-
- static void print_name_offset(struct seq_file *m, unsigned long addr)
- {
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ seq_printf(m, "<%p>", NULL);
-+#else
- char symname[KSYM_NAME_LEN];
-
- if (lookup_symbol_name(addr, symname) < 0)
- seq_printf(m, "<%p>", (void *)addr);
- else
- seq_printf(m, "%s", symname);
-+#endif
- }
-
- static int tstats_show(struct seq_file *m, void *v)
-@@ -300,9 +304,9 @@ static int tstats_show(struct seq_file *m, void *v)
-
- seq_puts(m, "Timer Stats Version: v0.2\n");
- seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms);
-- if (atomic_read(&overflow_count))
-+ if (atomic_read_unchecked(&overflow_count))
- seq_printf(m, "Overflow: %d entries\n",
-- atomic_read(&overflow_count));
-+ atomic_read_unchecked(&overflow_count));
-
- for (i = 0; i < nr_entries; i++) {
- entry = entries + i;
-@@ -417,7 +421,11 @@ static int __init init_tstats_procfs(void)
- {
- struct proc_dir_entry *pe;
-
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+ pe = proc_create("timer_stats", 0600, NULL, &tstats_fops);
-+#else
- pe = proc_create("timer_stats", 0644, NULL, &tstats_fops);
-+#endif
- if (!pe)
- return -ENOMEM;
- return 0;
-diff --git a/kernel/timer.c b/kernel/timer.c
-index 6ec7e7e..cbc448b 100644
---- a/kernel/timer.c
-+++ b/kernel/timer.c
-@@ -1362,7 +1362,7 @@ void update_process_times(int user_tick)
- /*
- * This function runs timers and the timer-tq in bottom half context.
- */
--static void run_timer_softirq(struct softirq_action *h)
-+static void run_timer_softirq(void)
- {
- struct tvec_base *base = __this_cpu_read(tvec_bases);
-
-diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
-index c0bd030..62a1927 100644
---- a/kernel/trace/blktrace.c
-+++ b/kernel/trace/blktrace.c
-@@ -317,7 +317,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
- struct blk_trace *bt = filp->private_data;
- char buf[16];
-
-- snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped));
-+ snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped));
-
- return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
- }
-@@ -375,7 +375,7 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf,
- return 1;
-
- bt = buf->chan->private_data;
-- atomic_inc(&bt->dropped);
-+ atomic_inc_unchecked(&bt->dropped);
- return 0;
- }
-
-@@ -476,7 +476,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
-
- bt->dir = dir;
- bt->dev = dev;
-- atomic_set(&bt->dropped, 0);
-+ atomic_set_unchecked(&bt->dropped, 0);
-
- ret = -EIO;
- bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt,
-diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
-index a008663..30d7429 100644
---- a/kernel/trace/ftrace.c
-+++ b/kernel/trace/ftrace.c
-@@ -1785,12 +1785,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec)
- if (unlikely(ftrace_disabled))
- return 0;
-
-+ ret = ftrace_arch_code_modify_prepare();
-+ FTRACE_WARN_ON(ret);
-+ if (ret)
-+ return 0;
-+
- ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
-+ FTRACE_WARN_ON(ftrace_arch_code_modify_post_process());
- if (ret) {
- ftrace_bug(ret, ip);
-- return 0;
- }
-- return 1;
-+ return ret ? 0 : 1;
- }
-
- /*
-@@ -2885,7 +2890,7 @@ static void ftrace_free_entry_rcu(struct rcu_head *rhp)
-
- int
- register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
-- void *data)
-+ void *data)
- {
- struct ftrace_func_probe *entry;
- struct ftrace_page *pg;
-@@ -3697,8 +3702,10 @@ static int ftrace_process_locs(struct module *mod,
- if (!count)
- return 0;
-
-+ pax_open_kernel();
- sort(start, count, sizeof(*start),
- ftrace_cmp_ips, ftrace_swap_ips);
-+ pax_close_kernel();
-
- start_pg = ftrace_allocate_pages(count);
- if (!start_pg)
-diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
-index a7fa070..403bc8d 100644
---- a/kernel/trace/trace.c
-+++ b/kernel/trace/trace.c
-@@ -4421,10 +4421,9 @@ static const struct file_operations tracing_dyn_info_fops = {
- };
- #endif
-
--static struct dentry *d_tracer;
--
- struct dentry *tracing_init_dentry(void)
- {
-+ static struct dentry *d_tracer;
- static int once;
-
- if (d_tracer)
-@@ -4444,10 +4443,9 @@ struct dentry *tracing_init_dentry(void)
- return d_tracer;
- }
-
--static struct dentry *d_percpu;
--
- struct dentry *tracing_dentry_percpu(void)
- {
-+ static struct dentry *d_percpu;
- static int once;
- struct dentry *d_tracer;
-
-diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
-index 29111da..d190fe2 100644
---- a/kernel/trace/trace_events.c
-+++ b/kernel/trace/trace_events.c
-@@ -1308,10 +1308,6 @@ static LIST_HEAD(ftrace_module_file_list);
- struct ftrace_module_file_ops {
- struct list_head list;
- struct module *mod;
-- struct file_operations id;
-- struct file_operations enable;
-- struct file_operations format;
-- struct file_operations filter;
- };
-
- static struct ftrace_module_file_ops *
-@@ -1332,17 +1328,12 @@ trace_create_file_ops(struct module *mod)
-
- file_ops->mod = mod;
-
-- file_ops->id = ftrace_event_id_fops;
-- file_ops->id.owner = mod;
--
-- file_ops->enable = ftrace_enable_fops;
-- file_ops->enable.owner = mod;
--
-- file_ops->filter = ftrace_event_filter_fops;
-- file_ops->filter.owner = mod;
--
-- file_ops->format = ftrace_event_format_fops;
-- file_ops->format.owner = mod;
-+ pax_open_kernel();
-+ *(void **)&mod->trace_id.owner = mod;
-+ *(void **)&mod->trace_enable.owner = mod;
-+ *(void **)&mod->trace_filter.owner = mod;
-+ *(void **)&mod->trace_format.owner = mod;
-+ pax_close_kernel();
-
- list_add(&file_ops->list, &ftrace_module_file_list);
-
-@@ -1366,8 +1357,8 @@ static void trace_module_add_events(struct module *mod)
-
- for_each_event(call, start, end) {
- __trace_add_event_call(*call, mod,
-- &file_ops->id, &file_ops->enable,
-- &file_ops->filter, &file_ops->format);
-+ &mod->trace_id, &mod->trace_enable,
-+ &mod->trace_filter, &mod->trace_format);
- }
- }
-
-diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
-index fd3c8aa..5f324a6 100644
---- a/kernel/trace/trace_mmiotrace.c
-+++ b/kernel/trace/trace_mmiotrace.c
-@@ -24,7 +24,7 @@ struct header_iter {
- static struct trace_array *mmio_trace_array;
- static bool overrun_detected;
- static unsigned long prev_overruns;
--static atomic_t dropped_count;
-+static atomic_unchecked_t dropped_count;
-
- static void mmio_reset_data(struct trace_array *tr)
- {
-@@ -127,7 +127,7 @@ static void mmio_close(struct trace_iterator *iter)
-
- static unsigned long count_overruns(struct trace_iterator *iter)
- {
-- unsigned long cnt = atomic_xchg(&dropped_count, 0);
-+ unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0);
- unsigned long over = ring_buffer_overruns(iter->tr->buffer);
-
- if (over > prev_overruns)
-@@ -317,7 +317,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
- event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
- sizeof(*entry), 0, pc);
- if (!event) {
-- atomic_inc(&dropped_count);
-+ atomic_inc_unchecked(&dropped_count);
- return;
- }
- entry = ring_buffer_event_data(event);
-@@ -347,7 +347,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
- event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
- sizeof(*entry), 0, pc);
- if (!event) {
-- atomic_inc(&dropped_count);
-+ atomic_inc_unchecked(&dropped_count);
- return;
- }
- entry = ring_buffer_event_data(event);
-diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
-index df611a0..10d8b32 100644
---- a/kernel/trace/trace_output.c
-+++ b/kernel/trace/trace_output.c
-@@ -278,7 +278,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path)
-
- p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len);
- if (!IS_ERR(p)) {
-- p = mangle_path(s->buffer + s->len, p, "\n");
-+ p = mangle_path(s->buffer + s->len, p, "\n\\");
- if (p) {
- s->len = p - s->buffer;
- return 1;
-diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
-index d4545f4..a9010a1 100644
---- a/kernel/trace/trace_stack.c
-+++ b/kernel/trace/trace_stack.c
-@@ -53,7 +53,7 @@ static inline void check_stack(void)
- return;
-
- /* we do not handle interrupt stacks yet */
-- if (!object_is_on_stack(&this_size))
-+ if (!object_starts_on_stack(&this_size))
- return;
-
- local_irq_save(flags);
-diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
-index ff5bdee..3eaeba6 100644
---- a/lib/Kconfig.debug
-+++ b/lib/Kconfig.debug
-@@ -1165,6 +1165,7 @@ config LATENCYTOP
- depends on DEBUG_KERNEL
- depends on STACKTRACE_SUPPORT
- depends on PROC_FS
-+ depends on !GRKERNSEC_HIDESYM
- select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND
- select KALLSYMS
- select KALLSYMS_ALL
-diff --git a/lib/bitmap.c b/lib/bitmap.c
-index 06fdfa1..97c5c7d 100644
---- a/lib/bitmap.c
-+++ b/lib/bitmap.c
-@@ -422,7 +422,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
- {
- int c, old_c, totaldigits, ndigits, nchunks, nbits;
- u32 chunk;
-- const char __user __force *ubuf = (const char __user __force *)buf;
-+ const char __user *ubuf = (const char __force_user *)buf;
-
- bitmap_zero(maskp, nmaskbits);
-
-@@ -507,7 +507,7 @@ int bitmap_parse_user(const char __user *ubuf,
- {
- if (!access_ok(VERIFY_READ, ubuf, ulen))
- return -EFAULT;
-- return __bitmap_parse((const char __force *)ubuf,
-+ return __bitmap_parse((const char __force_kernel *)ubuf,
- ulen, 1, maskp, nmaskbits);
-
- }
-@@ -598,7 +598,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen,
- {
- unsigned a, b;
- int c, old_c, totaldigits;
-- const char __user __force *ubuf = (const char __user __force *)buf;
-+ const char __user *ubuf = (const char __force_user *)buf;
- int exp_digit, in_range;
-
- totaldigits = c = 0;
-@@ -698,7 +698,7 @@ int bitmap_parselist_user(const char __user *ubuf,
- {
- if (!access_ok(VERIFY_READ, ubuf, ulen))
- return -EFAULT;
-- return __bitmap_parselist((const char __force *)ubuf,
-+ return __bitmap_parselist((const char __force_kernel *)ubuf,
- ulen, 1, maskp, nmaskbits);
- }
- EXPORT_SYMBOL(bitmap_parselist_user);
-diff --git a/lib/bug.c b/lib/bug.c
-index a28c141..2bd3d95 100644
---- a/lib/bug.c
-+++ b/lib/bug.c
-@@ -133,6 +133,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
- return BUG_TRAP_TYPE_NONE;
-
- bug = find_bug(bugaddr);
-+ if (!bug)
-+ return BUG_TRAP_TYPE_NONE;
-
- file = NULL;
- line = 0;
-diff --git a/lib/debugobjects.c b/lib/debugobjects.c
-index d11808c..dc2d6f8 100644
---- a/lib/debugobjects.c
-+++ b/lib/debugobjects.c
-@@ -287,7 +287,7 @@ static void debug_object_is_on_stack(void *addr, int onstack)
- if (limit > 4)
- return;
-
-- is_on_stack = object_is_on_stack(addr);
-+ is_on_stack = object_starts_on_stack(addr);
- if (is_on_stack == onstack)
- return;
-
-diff --git a/lib/devres.c b/lib/devres.c
-index 80b9c76..9e32279 100644
---- a/lib/devres.c
-+++ b/lib/devres.c
-@@ -80,7 +80,7 @@ EXPORT_SYMBOL(devm_ioremap_nocache);
- void devm_iounmap(struct device *dev, void __iomem *addr)
- {
- WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match,
-- (void *)addr));
-+ (void __force *)addr));
- iounmap(addr);
- }
- EXPORT_SYMBOL(devm_iounmap);
-@@ -192,7 +192,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr)
- {
- ioport_unmap(addr);
- WARN_ON(devres_destroy(dev, devm_ioport_map_release,
-- devm_ioport_map_match, (void *)addr));
-+ devm_ioport_map_match, (void __force *)addr));
- }
- EXPORT_SYMBOL(devm_ioport_unmap);
-
-diff --git a/lib/dma-debug.c b/lib/dma-debug.c
-index 66ce414..6f0a0dd 100644
---- a/lib/dma-debug.c
-+++ b/lib/dma-debug.c
-@@ -924,7 +924,7 @@ out:
-
- static void check_for_stack(struct device *dev, void *addr)
- {
-- if (object_is_on_stack(addr))
-+ if (object_starts_on_stack(addr))
- err_printk(dev, NULL, "DMA-API: device driver maps memory from"
- "stack [addr=%p]\n", addr);
- }
-diff --git a/lib/inflate.c b/lib/inflate.c
-index 013a761..c28f3fc 100644
---- a/lib/inflate.c
-+++ b/lib/inflate.c
-@@ -269,7 +269,7 @@ static void free(void *where)
- malloc_ptr = free_mem_ptr;
- }
- #else
--#define malloc(a) kmalloc(a, GFP_KERNEL)
-+#define malloc(a) kmalloc((a), GFP_KERNEL)
- #define free(a) kfree(a)
- #endif
-
-diff --git a/lib/ioremap.c b/lib/ioremap.c
-index 0c9216c..863bd89 100644
---- a/lib/ioremap.c
-+++ b/lib/ioremap.c
-@@ -38,7 +38,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long next;
-
- phys_addr -= addr;
-- pmd = pmd_alloc(&init_mm, pud, addr);
-+ pmd = pmd_alloc_kernel(&init_mm, pud, addr);
- if (!pmd)
- return -ENOMEM;
- do {
-@@ -56,7 +56,7 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr,
- unsigned long next;
-
- phys_addr -= addr;
-- pud = pud_alloc(&init_mm, pgd, addr);
-+ pud = pud_alloc_kernel(&init_mm, pgd, addr);
- if (!pud)
- return -ENOMEM;
- do {
-diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c
-index bd2bea9..6b3c95e 100644
---- a/lib/is_single_threaded.c
-+++ b/lib/is_single_threaded.c
-@@ -22,6 +22,9 @@ bool current_is_single_threaded(void)
- struct task_struct *p, *t;
- bool ret;
-
-+ if (!mm)
-+ return true;
-+
- if (atomic_read(&task->signal->live) != 1)
- return false;
-
-diff --git a/lib/radix-tree.c b/lib/radix-tree.c
-index e796429..6e38f9f 100644
---- a/lib/radix-tree.c
-+++ b/lib/radix-tree.c
-@@ -92,7 +92,7 @@ struct radix_tree_preload {
- int nr;
- struct radix_tree_node *nodes[RADIX_TREE_PRELOAD_SIZE];
- };
--static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
-+static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads);
-
- static inline void *ptr_to_indirect(void *ptr)
- {
-diff --git a/lib/vsprintf.c b/lib/vsprintf.c
-index 598a73e..5c5aeb5 100644
---- a/lib/vsprintf.c
-+++ b/lib/vsprintf.c
-@@ -16,6 +16,9 @@
- * - scnprintf and vscnprintf
- */
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+#define __INCLUDED_BY_HIDESYM 1
-+#endif
- #include <stdarg.h>
- #include <linux/module.h> /* for KSYM_SYMBOL_LEN */
- #include <linux/types.h>
-@@ -536,7 +539,7 @@ char *symbol_string(char *buf, char *end, void *ptr,
- char sym[KSYM_SYMBOL_LEN];
- if (ext == 'B')
- sprint_backtrace(sym, value);
-- else if (ext != 'f' && ext != 's')
-+ else if (ext != 'f' && ext != 's' && ext != 'a')
- sprint_symbol(sym, value);
- else
- sprint_symbol_no_offset(sym, value);
-@@ -912,7 +915,11 @@ char *netdev_feature_string(char *buf, char *end, const u8 *addr,
- return number(buf, end, *(const netdev_features_t *)addr, spec);
- }
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+int kptr_restrict __read_mostly = 2;
-+#else
- int kptr_restrict __read_mostly;
-+#endif
-
- /*
- * Show a '%p' thing. A kernel extension is that the '%p' is followed
-@@ -926,6 +933,8 @@ int kptr_restrict __read_mostly;
- * - 'S' For symbolic direct pointers with offset
- * - 's' For symbolic direct pointers without offset
- * - 'B' For backtraced symbolic direct pointers with offset
-+ * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM
-+ * - 'a' For symbolic direct pointers without offset approved for use with GRKERNSEC_HIDESYM
- * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref]
- * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201]
- * - 'M' For a 6-byte MAC address, it prints the address in the
-@@ -973,12 +982,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
-
- if (!ptr && *fmt != 'K') {
- /*
-- * Print (null) with the same width as a pointer so it makes
-+ * Print (nil) with the same width as a pointer so it makes
- * tabular output look nice.
- */
- if (spec.field_width == -1)
- spec.field_width = default_width;
-- return string(buf, end, "(null)", spec);
-+ return string(buf, end, "(nil)", spec);
- }
-
- switch (*fmt) {
-@@ -988,6 +997,13 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
- /* Fallthrough */
- case 'S':
- case 's':
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ break;
-+#else
-+ return symbol_string(buf, end, ptr, spec, *fmt);
-+#endif
-+ case 'A':
-+ case 'a':
- case 'B':
- return symbol_string(buf, end, ptr, spec, *fmt);
- case 'R':
-@@ -1025,6 +1041,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
- va_end(va);
- return buf;
- }
-+ case 'P':
-+ break;
- case 'K':
- /*
- * %pK cannot be used in IRQ context because its test
-@@ -1048,6 +1066,21 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
- }
- break;
- }
-+
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ /* 'P' = approved pointers to copy to userland,
-+ as in the /proc/kallsyms case, as we make it display nothing
-+ for non-root users, and the real contents for root users
-+ Also ignore 'K' pointers, since we force their NULLing for non-root users
-+ above
-+ */
-+ if (ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'K' && is_usercopy_object(buf)) {
-+ printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender(a)grsecurity.net.\n");
-+ dump_stack();
-+ ptr = NULL;
-+ }
-+#endif
-+
- spec.flags |= SMALL;
- if (spec.field_width == -1) {
- spec.field_width = default_width;
-@@ -1759,11 +1792,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
- typeof(type) value; \
- if (sizeof(type) == 8) { \
- args = PTR_ALIGN(args, sizeof(u32)); \
-- *(u32 *)&value = *(u32 *)args; \
-- *((u32 *)&value + 1) = *(u32 *)(args + 4); \
-+ *(u32 *)&value = *(const u32 *)args; \
-+ *((u32 *)&value + 1) = *(const u32 *)(args + 4); \
- } else { \
- args = PTR_ALIGN(args, sizeof(type)); \
-- value = *(typeof(type) *)args; \
-+ value = *(const typeof(type) *)args; \
- } \
- args += sizeof(type); \
- value; \
-@@ -1826,7 +1859,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
- case FORMAT_TYPE_STR: {
- const char *str_arg = args;
- args += strlen(str_arg) + 1;
-- str = string(str, end, (char *)str_arg, spec);
-+ str = string(str, end, str_arg, spec);
- break;
- }
-
-diff --git a/localversion-grsec b/localversion-grsec
-new file mode 100644
-index 0000000..7cd6065
---- /dev/null
-+++ b/localversion-grsec
-@@ -0,0 +1 @@
-+-grsec
-diff --git a/mm/Kconfig b/mm/Kconfig
-index 82fed4e..979e814 100644
---- a/mm/Kconfig
-+++ b/mm/Kconfig
-@@ -247,10 +247,10 @@ config KSM
- root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set).
-
- config DEFAULT_MMAP_MIN_ADDR
-- int "Low address space to protect from user allocation"
-+ int "Low address space to protect from user allocation"
- depends on MMU
-- default 4096
-- help
-+ default 65536
-+ help
- This is the portion of low virtual memory which should be protected
- from userspace allocation. Keeping a user from writing to low pages
- can help reduce the impact of kernel NULL pointer bugs.
-@@ -280,7 +280,7 @@ config MEMORY_FAILURE
-
- config HWPOISON_INJECT
- tristate "HWPoison pages injector"
-- depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS
-+ depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS && !GRKERNSEC
- select PROC_PAGE_MONITOR
-
- config NOMMU_INITIAL_TRIM_EXCESS
-diff --git a/mm/filemap.c b/mm/filemap.c
-index a4a5260..6151dc5 100644
---- a/mm/filemap.c
-+++ b/mm/filemap.c
-@@ -1723,7 +1723,7 @@ int generic_file_mmap(struct file * file, struct vm_area_struct * vma)
- struct address_space *mapping = file->f_mapping;
-
- if (!mapping->a_ops->readpage)
-- return -ENOEXEC;
-+ return -ENODEV;
- file_accessed(file);
- vma->vm_ops = &generic_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
-@@ -2064,6 +2064,7 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i
- *pos = i_size_read(inode);
-
- if (limit != RLIM_INFINITY) {
-+ gr_learn_resource(current, RLIMIT_FSIZE,*pos, 0);
- if (*pos >= limit) {
- send_sig(SIGXFSZ, current, 0);
- return -EFBIG;
-diff --git a/mm/fremap.c b/mm/fremap.c
-index 9ed4fd4..c42648d 100644
---- a/mm/fremap.c
-+++ b/mm/fremap.c
-@@ -155,6 +155,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
- retry:
- vma = find_vma(mm, start);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC))
-+ goto out;
-+#endif
-+
- /*
- * Make sure the vma is shared, that it supports prefaulting,
- * and that the remapped range is valid and fully within
-diff --git a/mm/highmem.c b/mm/highmem.c
-index 57d82c6..e9e0552 100644
---- a/mm/highmem.c
-+++ b/mm/highmem.c
-@@ -125,9 +125,10 @@ static void flush_all_zero_pkmaps(void)
- * So no dangers, even with speculative execution.
- */
- page = pte_page(pkmap_page_table[i]);
-+ pax_open_kernel();
- pte_clear(&init_mm, (unsigned long)page_address(page),
- &pkmap_page_table[i]);
--
-+ pax_close_kernel();
- set_page_address(page, NULL);
- need_flush = 1;
- }
-@@ -186,9 +187,11 @@ start:
- }
- }
- vaddr = PKMAP_ADDR(last_pkmap_nr);
-+
-+ pax_open_kernel();
- set_pte_at(&init_mm, vaddr,
- &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot));
--
-+ pax_close_kernel();
- pkmap_count[last_pkmap_nr] = 1;
- set_page_address(page, (void *)vaddr);
-
-diff --git a/mm/huge_memory.c b/mm/huge_memory.c
-index 57c4b93..24b8f59 100644
---- a/mm/huge_memory.c
-+++ b/mm/huge_memory.c
-@@ -735,7 +735,7 @@ out:
- * run pte_offset_map on the pmd, if an huge pmd could
- * materialize from under us from a different thread.
- */
-- if (unlikely(__pte_alloc(mm, vma, pmd, address)))
-+ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address)))
- return VM_FAULT_OOM;
- /* if an huge pmd materialized from under us just retry later */
- if (unlikely(pmd_trans_huge(*pmd)))
-diff --git a/mm/hugetlb.c b/mm/hugetlb.c
-index 19558df..f7743b3 100644
---- a/mm/hugetlb.c
-+++ b/mm/hugetlb.c
-@@ -2463,6 +2463,27 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
- return 1;
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m)
-+{
-+ struct mm_struct *mm = vma->vm_mm;
-+ struct vm_area_struct *vma_m;
-+ unsigned long address_m;
-+ pte_t *ptep_m;
-+
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (!vma_m)
-+ return;
-+
-+ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+ ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK);
-+ get_page(page_m);
-+ hugepage_add_anon_rmap(page_m, vma_m, address_m);
-+ set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0));
-+}
-+#endif
-+
- /*
- * Hugetlb_cow() should be called with page lock of the original hugepage held.
- * Called with hugetlb_instantiation_mutex held and pte_page locked so we
-@@ -2575,6 +2596,11 @@ retry_avoidcopy:
- make_huge_pte(vma, new_page, 1));
- page_remove_rmap(old_page);
- hugepage_add_new_anon_rmap(new_page, vma, address);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_huge_pte(vma, address, new_page);
-+#endif
-+
- /* Make the old page be freed below */
- new_page = old_page;
- mmu_notifier_invalidate_range_end(mm,
-@@ -2729,6 +2755,10 @@ retry:
- && (vma->vm_flags & VM_SHARED)));
- set_huge_pte_at(mm, address, ptep, new_pte);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_huge_pte(vma, address, page);
-+#endif
-+
- if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
- /* Optimization, do the COW without a second fault */
- ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page);
-@@ -2758,6 +2788,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- static DEFINE_MUTEX(hugetlb_instantiation_mutex);
- struct hstate *h = hstate_vma(vma);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- address &= huge_page_mask(h);
-
- ptep = huge_pte_offset(mm, address);
-@@ -2771,6 +2805,26 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- VM_FAULT_SET_HINDEX(h - hstates);
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m) {
-+ unsigned long address_m;
-+
-+ if (vma->vm_start > vma_m->vm_start) {
-+ address_m = address;
-+ address -= SEGMEXEC_TASK_SIZE;
-+ vma = vma_m;
-+ h = hstate_vma(vma);
-+ } else
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+
-+ if (!huge_pte_alloc(mm, address_m, huge_page_size(h)))
-+ return VM_FAULT_OOM;
-+ address_m &= HPAGE_MASK;
-+ unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL);
-+ }
-+#endif
-+
- ptep = huge_pte_alloc(mm, address, huge_page_size(h));
- if (!ptep)
- return VM_FAULT_OOM;
-diff --git a/mm/internal.h b/mm/internal.h
-index 8052379..47029d1 100644
---- a/mm/internal.h
-+++ b/mm/internal.h
-@@ -95,6 +95,7 @@ extern void putback_lru_page(struct page *page);
- * in mm/page_alloc.c
- */
- extern void __free_pages_bootmem(struct page *page, unsigned int order);
-+extern void free_compound_page(struct page *page);
- extern void prep_compound_page(struct page *page, unsigned long order);
- #ifdef CONFIG_MEMORY_FAILURE
- extern bool is_free_buddy_page(struct page *page);
-diff --git a/mm/kmemleak.c b/mm/kmemleak.c
-index 45eb621..6ccd8ea 100644
---- a/mm/kmemleak.c
-+++ b/mm/kmemleak.c
-@@ -363,7 +363,7 @@ static void print_unreferenced(struct seq_file *seq,
-
- for (i = 0; i < object->trace_len; i++) {
- void *ptr = (void *)object->trace[i];
-- seq_printf(seq, " [<%p>] %pS\n", ptr, ptr);
-+ seq_printf(seq, " [<%p>] %pA\n", ptr, ptr);
- }
- }
-
-diff --git a/mm/maccess.c b/mm/maccess.c
-index d53adf9..03a24bf 100644
---- a/mm/maccess.c
-+++ b/mm/maccess.c
-@@ -26,7 +26,7 @@ long __probe_kernel_read(void *dst, const void *src, size_t size)
- set_fs(KERNEL_DS);
- pagefault_disable();
- ret = __copy_from_user_inatomic(dst,
-- (__force const void __user *)src, size);
-+ (const void __force_user *)src, size);
- pagefault_enable();
- set_fs(old_fs);
-
-@@ -53,7 +53,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size)
-
- set_fs(KERNEL_DS);
- pagefault_disable();
-- ret = __copy_to_user_inatomic((__force void __user *)dst, src, size);
-+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
- pagefault_enable();
- set_fs(old_fs);
-
-diff --git a/mm/madvise.c b/mm/madvise.c
-index 14d260f..b2a80fd 100644
---- a/mm/madvise.c
-+++ b/mm/madvise.c
-@@ -48,6 +48,10 @@ static long madvise_behavior(struct vm_area_struct * vma,
- pgoff_t pgoff;
- unsigned long new_flags = vma->vm_flags;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- switch (behavior) {
- case MADV_NORMAL:
- new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;
-@@ -119,6 +123,13 @@ success:
- /*
- * vm_flags is protected by the mmap_sem held in write mode.
- */
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m)
-+ vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT);
-+#endif
-+
- vma->vm_flags = new_flags;
-
- out:
-@@ -177,6 +188,11 @@ static long madvise_dontneed(struct vm_area_struct * vma,
- struct vm_area_struct ** prev,
- unsigned long start, unsigned long end)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- *prev = vma;
- if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP))
- return -EINVAL;
-@@ -189,6 +205,21 @@ static long madvise_dontneed(struct vm_area_struct * vma,
- zap_page_range(vma, start, end - start, &details);
- } else
- zap_page_range(vma, start, end - start, NULL);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m) {
-+ if (unlikely(vma->vm_flags & VM_NONLINEAR)) {
-+ struct zap_details details = {
-+ .nonlinear_vma = vma_m,
-+ .last_index = ULONG_MAX,
-+ };
-+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, &details);
-+ } else
-+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, NULL);
-+ }
-+#endif
-+
- return 0;
- }
-
-@@ -393,6 +424,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
- if (end < start)
- goto out;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ if (end > SEGMEXEC_TASK_SIZE)
-+ goto out;
-+ } else
-+#endif
-+
-+ if (end > TASK_SIZE)
-+ goto out;
-+
- error = 0;
- if (end == start)
- goto out;
-diff --git a/mm/memory-failure.c b/mm/memory-failure.c
-index 6de0d61..da836cf 100644
---- a/mm/memory-failure.c
-+++ b/mm/memory-failure.c
-@@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0;
-
- int sysctl_memory_failure_recovery __read_mostly = 1;
-
--atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
-+atomic_long_unchecked_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
-
- #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
-
-@@ -202,7 +202,7 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno,
- pfn, t->comm, t->pid);
- si.si_signo = SIGBUS;
- si.si_errno = 0;
-- si.si_addr = (void *)addr;
-+ si.si_addr = (void __user *)addr;
- #ifdef __ARCH_SI_TRAPNO
- si.si_trapno = trapno;
- #endif
-@@ -1038,7 +1038,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
- }
-
- nr_pages = 1 << compound_trans_order(hpage);
-- atomic_long_add(nr_pages, &mce_bad_pages);
-+ atomic_long_add_unchecked(nr_pages, &mce_bad_pages);
-
- /*
- * We need/can do nothing about count=0 pages.
-@@ -1068,7 +1068,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
- if (!PageHWPoison(hpage)
- || (hwpoison_filter(p) && TestClearPageHWPoison(p))
- || (p != hpage && TestSetPageHWPoison(hpage))) {
-- atomic_long_sub(nr_pages, &mce_bad_pages);
-+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
- return 0;
- }
- set_page_hwpoison_huge_page(hpage);
-@@ -1126,7 +1126,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
- }
- if (hwpoison_filter(p)) {
- if (TestClearPageHWPoison(p))
-- atomic_long_sub(nr_pages, &mce_bad_pages);
-+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
- unlock_page(hpage);
- put_page(hpage);
- return 0;
-@@ -1321,7 +1321,7 @@ int unpoison_memory(unsigned long pfn)
- return 0;
- }
- if (TestClearPageHWPoison(p))
-- atomic_long_sub(nr_pages, &mce_bad_pages);
-+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
- pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
- return 0;
- }
-@@ -1335,7 +1335,7 @@ int unpoison_memory(unsigned long pfn)
- */
- if (TestClearPageHWPoison(page)) {
- pr_info("MCE: Software-unpoisoned page %#lx\n", pfn);
-- atomic_long_sub(nr_pages, &mce_bad_pages);
-+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
- freeit = 1;
- if (PageHuge(page))
- clear_page_hwpoison_huge_page(page);
-@@ -1448,7 +1448,7 @@ static int soft_offline_huge_page(struct page *page, int flags)
- }
- done:
- if (!PageHWPoison(hpage))
-- atomic_long_add(1 << compound_trans_order(hpage), &mce_bad_pages);
-+ atomic_long_add_unchecked(1 << compound_trans_order(hpage), &mce_bad_pages);
- set_page_hwpoison_huge_page(hpage);
- dequeue_hwpoisoned_huge_page(hpage);
- /* keep elevated page count for bad page */
-@@ -1579,7 +1579,7 @@ int soft_offline_page(struct page *page, int flags)
- return ret;
-
- done:
-- atomic_long_add(1, &mce_bad_pages);
-+ atomic_long_add_unchecked(1, &mce_bad_pages);
- SetPageHWPoison(page);
- /* keep elevated page count for bad page */
- return ret;
-diff --git a/mm/memory.c b/mm/memory.c
-index 2466d12..08be4f6 100644
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -434,8 +434,12 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
- return;
-
- pmd = pmd_offset(pud, start);
-+
-+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD)
- pud_clear(pud);
- pmd_free_tlb(tlb, pmd, start);
-+#endif
-+
- }
-
- static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
-@@ -466,9 +470,12 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
- if (end - 1 > ceiling - 1)
- return;
-
-+#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD)
- pud = pud_offset(pgd, start);
- pgd_clear(pgd);
- pud_free_tlb(tlb, pud, start);
-+#endif
-+
- }
-
- /*
-@@ -1602,12 +1609,6 @@ no_page_table:
- return page;
- }
-
--static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)
--{
-- return stack_guard_page_start(vma, addr) ||
-- stack_guard_page_end(vma, addr+PAGE_SIZE);
--}
--
- /**
- * __get_user_pages() - pin user pages in memory
- * @tsk: task_struct of target task
-@@ -1680,10 +1681,10 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
- (VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);
- i = 0;
-
-- do {
-+ while (nr_pages) {
- struct vm_area_struct *vma;
-
-- vma = find_extend_vma(mm, start);
-+ vma = find_vma(mm, start);
- if (!vma && in_gate_area(mm, start)) {
- unsigned long pg = start & PAGE_MASK;
- pgd_t *pgd;
-@@ -1731,7 +1732,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
- goto next_page;
- }
-
-- if (!vma ||
-+ if (!vma || start < vma->vm_start ||
- (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||
- !(vm_flags & vma->vm_flags))
- return i ? : -EFAULT;
-@@ -1758,11 +1759,6 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
- int ret;
- unsigned int fault_flags = 0;
-
-- /* For mlock, just skip the stack guard page. */
-- if (foll_flags & FOLL_MLOCK) {
-- if (stack_guard_page(vma, start))
-- goto next_page;
-- }
- if (foll_flags & FOLL_WRITE)
- fault_flags |= FAULT_FLAG_WRITE;
- if (nonblocking)
-@@ -1836,7 +1832,7 @@ next_page:
- start += PAGE_SIZE;
- nr_pages--;
- } while (nr_pages && start < vma->vm_end);
-- } while (nr_pages);
-+ }
- return i;
- }
- EXPORT_SYMBOL(__get_user_pages);
-@@ -2043,6 +2039,10 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
- page_add_file_rmap(page);
- set_pte_at(mm, addr, pte, mk_pte(page, prot));
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_file_pte(vma, addr, page, ptl);
-+#endif
-+
- retval = 0;
- pte_unmap_unlock(pte, ptl);
- return retval;
-@@ -2077,10 +2077,22 @@ out:
- int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
- struct page *page)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- if (addr < vma->vm_start || addr >= vma->vm_end)
- return -EFAULT;
- if (!page_count(page))
- return -EINVAL;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m)
-+ vma_m->vm_flags |= VM_INSERTPAGE;
-+#endif
-+
- vma->vm_flags |= VM_INSERTPAGE;
- return insert_page(vma, addr, page, vma->vm_page_prot);
- }
-@@ -2166,6 +2178,7 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
- unsigned long pfn)
- {
- BUG_ON(!(vma->vm_flags & VM_MIXEDMAP));
-+ BUG_ON(vma->vm_mirror);
-
- if (addr < vma->vm_start || addr >= vma->vm_end)
- return -EFAULT;
-@@ -2373,7 +2386,9 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,
-
- BUG_ON(pud_huge(*pud));
-
-- pmd = pmd_alloc(mm, pud, addr);
-+ pmd = (mm == &init_mm) ?
-+ pmd_alloc_kernel(mm, pud, addr) :
-+ pmd_alloc(mm, pud, addr);
- if (!pmd)
- return -ENOMEM;
- do {
-@@ -2393,7 +2408,9 @@ static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,
- unsigned long next;
- int err;
-
-- pud = pud_alloc(mm, pgd, addr);
-+ pud = (mm == &init_mm) ?
-+ pud_alloc_kernel(mm, pgd, addr) :
-+ pud_alloc(mm, pgd, addr);
- if (!pud)
- return -ENOMEM;
- do {
-@@ -2481,6 +2498,186 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
- copy_user_highpage(dst, src, va, vma);
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd)
-+{
-+ struct mm_struct *mm = vma->vm_mm;
-+ spinlock_t *ptl;
-+ pte_t *pte, entry;
-+
-+ pte = pte_offset_map_lock(mm, pmd, address, &ptl);
-+ entry = *pte;
-+ if (!pte_present(entry)) {
-+ if (!pte_none(entry)) {
-+ BUG_ON(pte_file(entry));
-+ free_swap_and_cache(pte_to_swp_entry(entry));
-+ pte_clear_not_present_full(mm, address, pte, 0);
-+ }
-+ } else {
-+ struct page *page;
-+
-+ flush_cache_page(vma, address, pte_pfn(entry));
-+ entry = ptep_clear_flush(vma, address, pte);
-+ BUG_ON(pte_dirty(entry));
-+ page = vm_normal_page(vma, address, entry);
-+ if (page) {
-+ update_hiwater_rss(mm);
-+ if (PageAnon(page))
-+ dec_mm_counter_fast(mm, MM_ANONPAGES);
-+ else
-+ dec_mm_counter_fast(mm, MM_FILEPAGES);
-+ page_remove_rmap(page);
-+ page_cache_release(page);
-+ }
-+ }
-+ pte_unmap_unlock(pte, ptl);
-+}
-+
-+/* PaX: if vma is mirrored, synchronize the mirror's PTE
-+ *
-+ * the ptl of the lower mapped page is held on entry and is not released on exit
-+ * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc)
-+ */
-+static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
-+{
-+ struct mm_struct *mm = vma->vm_mm;
-+ unsigned long address_m;
-+ spinlock_t *ptl_m;
-+ struct vm_area_struct *vma_m;
-+ pmd_t *pmd_m;
-+ pte_t *pte_m, entry_m;
-+
-+ BUG_ON(!page_m || !PageAnon(page_m));
-+
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (!vma_m)
-+ return;
-+
-+ BUG_ON(!PageLocked(page_m));
-+ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
-+ pte_m = pte_offset_map(pmd_m, address_m);
-+ ptl_m = pte_lockptr(mm, pmd_m);
-+ if (ptl != ptl_m) {
-+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
-+ if (!pte_none(*pte_m))
-+ goto out;
-+ }
-+
-+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
-+ page_cache_get(page_m);
-+ page_add_anon_rmap(page_m, vma_m, address_m);
-+ inc_mm_counter_fast(mm, MM_ANONPAGES);
-+ set_pte_at(mm, address_m, pte_m, entry_m);
-+ update_mmu_cache(vma_m, address_m, entry_m);
-+out:
-+ if (ptl != ptl_m)
-+ spin_unlock(ptl_m);
-+ pte_unmap(pte_m);
-+ unlock_page(page_m);
-+}
-+
-+void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
-+{
-+ struct mm_struct *mm = vma->vm_mm;
-+ unsigned long address_m;
-+ spinlock_t *ptl_m;
-+ struct vm_area_struct *vma_m;
-+ pmd_t *pmd_m;
-+ pte_t *pte_m, entry_m;
-+
-+ BUG_ON(!page_m || PageAnon(page_m));
-+
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (!vma_m)
-+ return;
-+
-+ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
-+ pte_m = pte_offset_map(pmd_m, address_m);
-+ ptl_m = pte_lockptr(mm, pmd_m);
-+ if (ptl != ptl_m) {
-+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
-+ if (!pte_none(*pte_m))
-+ goto out;
-+ }
-+
-+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
-+ page_cache_get(page_m);
-+ page_add_file_rmap(page_m);
-+ inc_mm_counter_fast(mm, MM_FILEPAGES);
-+ set_pte_at(mm, address_m, pte_m, entry_m);
-+ update_mmu_cache(vma_m, address_m, entry_m);
-+out:
-+ if (ptl != ptl_m)
-+ spin_unlock(ptl_m);
-+ pte_unmap(pte_m);
-+}
-+
-+static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl)
-+{
-+ struct mm_struct *mm = vma->vm_mm;
-+ unsigned long address_m;
-+ spinlock_t *ptl_m;
-+ struct vm_area_struct *vma_m;
-+ pmd_t *pmd_m;
-+ pte_t *pte_m, entry_m;
-+
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (!vma_m)
-+ return;
-+
-+ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
-+ pte_m = pte_offset_map(pmd_m, address_m);
-+ ptl_m = pte_lockptr(mm, pmd_m);
-+ if (ptl != ptl_m) {
-+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
-+ if (!pte_none(*pte_m))
-+ goto out;
-+ }
-+
-+ entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot);
-+ set_pte_at(mm, address_m, pte_m, entry_m);
-+out:
-+ if (ptl != ptl_m)
-+ spin_unlock(ptl_m);
-+ pte_unmap(pte_m);
-+}
-+
-+static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl)
-+{
-+ struct page *page_m;
-+ pte_t entry;
-+
-+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC))
-+ goto out;
-+
-+ entry = *pte;
-+ page_m = vm_normal_page(vma, address, entry);
-+ if (!page_m)
-+ pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl);
-+ else if (PageAnon(page_m)) {
-+ if (pax_find_mirror_vma(vma)) {
-+ pte_unmap_unlock(pte, ptl);
-+ lock_page(page_m);
-+ pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl);
-+ if (pte_same(entry, *pte))
-+ pax_mirror_anon_pte(vma, address, page_m, ptl);
-+ else
-+ unlock_page(page_m);
-+ }
-+ } else
-+ pax_mirror_file_pte(vma, address, page_m, ptl);
-+
-+out:
-+ pte_unmap_unlock(pte, ptl);
-+}
-+#endif
-+
- /*
- * This routine handles present pages, when users try to write
- * to a shared page. It is done by copying the page to a new address
-@@ -2692,6 +2889,12 @@ gotten:
- */
- page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
- if (likely(pte_same(*page_table, orig_pte))) {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (pax_find_mirror_vma(vma))
-+ BUG_ON(!trylock_page(new_page));
-+#endif
-+
- if (old_page) {
- if (!PageAnon(old_page)) {
- dec_mm_counter_fast(mm, MM_FILEPAGES);
-@@ -2743,6 +2946,10 @@ gotten:
- page_remove_rmap(old_page);
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_anon_pte(vma, address, new_page, ptl);
-+#endif
-+
- /* Free the old page.. */
- new_page = old_page;
- ret |= VM_FAULT_WRITE;
-@@ -3022,6 +3229,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
- swap_free(entry);
- if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
- try_to_free_swap(page);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma))
-+#endif
-+
- unlock_page(page);
- if (swapcache) {
- /*
-@@ -3045,6 +3257,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
-
- /* No need to invalidate - it was non-present before */
- update_mmu_cache(vma, address, page_table);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_anon_pte(vma, address, page, ptl);
-+#endif
-+
- unlock:
- pte_unmap_unlock(page_table, ptl);
- out:
-@@ -3064,40 +3281,6 @@ out_release:
- }
-
- /*
-- * This is like a special single-page "expand_{down|up}wards()",
-- * except we must first make sure that 'address{-|+}PAGE_SIZE'
-- * doesn't hit another vma.
-- */
--static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)
--{
-- address &= PAGE_MASK;
-- if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {
-- struct vm_area_struct *prev = vma->vm_prev;
--
-- /*
-- * Is there a mapping abutting this one below?
-- *
-- * That's only ok if it's the same stack mapping
-- * that has gotten split..
-- */
-- if (prev && prev->vm_end == address)
-- return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;
--
-- expand_downwards(vma, address - PAGE_SIZE);
-- }
-- if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {
-- struct vm_area_struct *next = vma->vm_next;
--
-- /* As VM_GROWSDOWN but s/below/above/ */
-- if (next && next->vm_start == address + PAGE_SIZE)
-- return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;
--
-- expand_upwards(vma, address + PAGE_SIZE);
-- }
-- return 0;
--}
--
--/*
- * We enter with non-exclusive mmap_sem (to exclude vma changes,
- * but allow concurrent faults), and pte mapped but not yet locked.
- * We return with mmap_sem still held, but pte unmapped and unlocked.
-@@ -3106,27 +3289,23 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
- unsigned long address, pte_t *page_table, pmd_t *pmd,
- unsigned int flags)
- {
-- struct page *page;
-+ struct page *page = NULL;
- spinlock_t *ptl;
- pte_t entry;
-
-- pte_unmap(page_table);
--
-- /* Check if we need to add a guard page to the stack */
-- if (check_stack_guard_page(vma, address) < 0)
-- return VM_FAULT_SIGBUS;
--
-- /* Use the zero-page for reads */
- if (!(flags & FAULT_FLAG_WRITE)) {
- entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
- vma->vm_page_prot));
-- page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
-+ ptl = pte_lockptr(mm, pmd);
-+ spin_lock(ptl);
- if (!pte_none(*page_table))
- goto unlock;
- goto setpte;
- }
-
- /* Allocate our own private page. */
-+ pte_unmap(page_table);
-+
- if (unlikely(anon_vma_prepare(vma)))
- goto oom;
- page = alloc_zeroed_user_highpage_movable(vma, address);
-@@ -3145,6 +3324,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
- if (!pte_none(*page_table))
- goto release;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (pax_find_mirror_vma(vma))
-+ BUG_ON(!trylock_page(page));
-+#endif
-+
- inc_mm_counter_fast(mm, MM_ANONPAGES);
- page_add_new_anon_rmap(page, vma, address);
- setpte:
-@@ -3152,6 +3336,12 @@ setpte:
-
- /* No need to invalidate - it was non-present before */
- update_mmu_cache(vma, address, page_table);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (page)
-+ pax_mirror_anon_pte(vma, address, page, ptl);
-+#endif
-+
- unlock:
- pte_unmap_unlock(page_table, ptl);
- return 0;
-@@ -3295,6 +3485,12 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- */
- /* Only go through if we didn't race with anybody else... */
- if (likely(pte_same(*page_table, orig_pte))) {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (anon && pax_find_mirror_vma(vma))
-+ BUG_ON(!trylock_page(page));
-+#endif
-+
- flush_icache_page(vma, page);
- entry = mk_pte(page, vma->vm_page_prot);
- if (flags & FAULT_FLAG_WRITE)
-@@ -3314,6 +3510,14 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
-
- /* no need to invalidate: a not-present page won't be cached */
- update_mmu_cache(vma, address, page_table);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (anon)
-+ pax_mirror_anon_pte(vma, address, page, ptl);
-+ else
-+ pax_mirror_file_pte(vma, address, page, ptl);
-+#endif
-+
- } else {
- if (cow_page)
- mem_cgroup_uncharge_page(cow_page);
-@@ -3467,6 +3671,12 @@ int handle_pte_fault(struct mm_struct *mm,
- if (flags & FAULT_FLAG_WRITE)
- flush_tlb_fix_spurious_fault(vma, address);
- }
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ pax_mirror_pte(vma, address, pte, pmd, ptl);
-+ return 0;
-+#endif
-+
- unlock:
- pte_unmap_unlock(pte, ptl);
- return 0;
-@@ -3483,6 +3693,10 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- pmd_t *pmd;
- pte_t *pte;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- __set_current_state(TASK_RUNNING);
-
- count_vm_event(PGFAULT);
-@@ -3494,6 +3708,34 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- if (unlikely(is_vm_hugetlb_page(vma)))
- return hugetlb_fault(mm, vma, address, flags);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m) {
-+ unsigned long address_m;
-+ pgd_t *pgd_m;
-+ pud_t *pud_m;
-+ pmd_t *pmd_m;
-+
-+ if (vma->vm_start > vma_m->vm_start) {
-+ address_m = address;
-+ address -= SEGMEXEC_TASK_SIZE;
-+ vma = vma_m;
-+ } else
-+ address_m = address + SEGMEXEC_TASK_SIZE;
-+
-+ pgd_m = pgd_offset(mm, address_m);
-+ pud_m = pud_alloc(mm, pgd_m, address_m);
-+ if (!pud_m)
-+ return VM_FAULT_OOM;
-+ pmd_m = pmd_alloc(mm, pud_m, address_m);
-+ if (!pmd_m)
-+ return VM_FAULT_OOM;
-+ if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m))
-+ return VM_FAULT_OOM;
-+ pax_unmap_mirror_pte(vma_m, address_m, pmd_m);
-+ }
-+#endif
-+
- retry:
- pgd = pgd_offset(mm, address);
- pud = pud_alloc(mm, pgd, address);
-@@ -3535,7 +3777,7 @@ retry:
- * run pte_offset_map on the pmd, if an huge pmd could
- * materialize from under us from a different thread.
- */
-- if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address))
-+ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address)))
- return VM_FAULT_OOM;
- /* if an huge pmd materialized from under us just retry later */
- if (unlikely(pmd_trans_huge(*pmd)))
-@@ -3572,6 +3814,23 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
- spin_unlock(&mm->page_table_lock);
- return 0;
- }
-+
-+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
-+{
-+ pud_t *new = pud_alloc_one(mm, address);
-+ if (!new)
-+ return -ENOMEM;
-+
-+ smp_wmb(); /* See comment in __pte_alloc */
-+
-+ spin_lock(&mm->page_table_lock);
-+ if (pgd_present(*pgd)) /* Another has populated it */
-+ pud_free(mm, new);
-+ else
-+ pgd_populate_kernel(mm, pgd, new);
-+ spin_unlock(&mm->page_table_lock);
-+ return 0;
-+}
- #endif /* __PAGETABLE_PUD_FOLDED */
-
- #ifndef __PAGETABLE_PMD_FOLDED
-@@ -3602,6 +3861,30 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
- spin_unlock(&mm->page_table_lock);
- return 0;
- }
-+
-+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
-+{
-+ pmd_t *new = pmd_alloc_one(mm, address);
-+ if (!new)
-+ return -ENOMEM;
-+
-+ smp_wmb(); /* See comment in __pte_alloc */
-+
-+ spin_lock(&mm->page_table_lock);
-+#ifndef __ARCH_HAS_4LEVEL_HACK
-+ if (pud_present(*pud)) /* Another has populated it */
-+ pmd_free(mm, new);
-+ else
-+ pud_populate_kernel(mm, pud, new);
-+#else
-+ if (pgd_present(*pud)) /* Another has populated it */
-+ pmd_free(mm, new);
-+ else
-+ pgd_populate_kernel(mm, pud, new);
-+#endif /* __ARCH_HAS_4LEVEL_HACK */
-+ spin_unlock(&mm->page_table_lock);
-+ return 0;
-+}
- #endif /* __PAGETABLE_PMD_FOLDED */
-
- int make_pages_present(unsigned long addr, unsigned long end)
-@@ -3639,7 +3922,7 @@ static int __init gate_vma_init(void)
- gate_vma.vm_start = FIXADDR_USER_START;
- gate_vma.vm_end = FIXADDR_USER_END;
- gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
-- gate_vma.vm_page_prot = __P101;
-+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
-
- return 0;
- }
-diff --git a/mm/mempolicy.c b/mm/mempolicy.c
-index 1d771e4..64b57d0 100644
---- a/mm/mempolicy.c
-+++ b/mm/mempolicy.c
-@@ -619,6 +619,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
- unsigned long vmstart;
- unsigned long vmend;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+#endif
-+
- vma = find_vma(mm, start);
- if (!vma || vma->vm_start > start)
- return -EFAULT;
-@@ -672,6 +676,16 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
- if (err)
- goto out;
- }
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+ if (vma_m && vma_m->vm_ops && vma_m->vm_ops->set_policy) {
-+ err = vma_m->vm_ops->set_policy(vma_m, new_pol);
-+ if (err)
-+ goto out;
-+ }
-+#endif
-+
- }
-
- out:
-@@ -1125,6 +1139,17 @@ static long do_mbind(unsigned long start, unsigned long len,
-
- if (end < start)
- return -EINVAL;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ if (end > SEGMEXEC_TASK_SIZE)
-+ return -EINVAL;
-+ } else
-+#endif
-+
-+ if (end > TASK_SIZE)
-+ return -EINVAL;
-+
- if (end == start)
- return 0;
-
-@@ -1348,8 +1373,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
- */
- tcred = __task_cred(task);
- if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
-- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
-- !capable(CAP_SYS_NICE)) {
-+ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) {
- rcu_read_unlock();
- err = -EPERM;
- goto out_put;
-@@ -1380,6 +1404,15 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
- goto out;
- }
-
-+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+ if (mm != current->mm &&
-+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) {
-+ mmput(mm);
-+ err = -EPERM;
-+ goto out;
-+ }
-+#endif
-+
- err = do_migrate_pages(mm, old, new,
- capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
-
-@@ -2556,7 +2589,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context)
- break;
-
- default:
-- BUG();
-+ return -EINVAL;
- }
-
- l = strlen(policy_modes[mode]);
-diff --git a/mm/mlock.c b/mm/mlock.c
-index ef726e8..cd7f1ec 100644
---- a/mm/mlock.c
-+++ b/mm/mlock.c
-@@ -13,6 +13,7 @@
- #include <linux/pagemap.h>
- #include <linux/mempolicy.h>
- #include <linux/syscalls.h>
-+#include <linux/security.h>
- #include <linux/sched.h>
- #include <linux/export.h>
- #include <linux/rmap.h>
-@@ -376,7 +377,7 @@ static int do_mlock(unsigned long start, size_t len, int on)
- {
- unsigned long nstart, end, tmp;
- struct vm_area_struct * vma, * prev;
-- int error;
-+ int error = 0;
-
- VM_BUG_ON(start & ~PAGE_MASK);
- VM_BUG_ON(len != PAGE_ALIGN(len));
-@@ -385,6 +386,9 @@ static int do_mlock(unsigned long start, size_t len, int on)
- return -EINVAL;
- if (end == start)
- return 0;
-+ if (end > TASK_SIZE)
-+ return -EINVAL;
-+
- vma = find_vma(current->mm, start);
- if (!vma || vma->vm_start > start)
- return -ENOMEM;
-@@ -396,6 +400,11 @@ static int do_mlock(unsigned long start, size_t len, int on)
- for (nstart = start ; ; ) {
- vm_flags_t newflags;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
-+ break;
-+#endif
-+
- /* Here we know that vma->vm_start <= nstart < vma->vm_end. */
-
- newflags = vma->vm_flags | VM_LOCKED;
-@@ -501,6 +510,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
- lock_limit >>= PAGE_SHIFT;
-
- /* check against resource limits */
-+ gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1);
- if ((locked <= lock_limit) || capable(CAP_IPC_LOCK))
- error = do_mlock(start, len, 1);
- up_write(¤t->mm->mmap_sem);
-@@ -524,17 +534,23 @@ SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)
- static int do_mlockall(int flags)
- {
- struct vm_area_struct * vma, * prev = NULL;
-- unsigned int def_flags = 0;
-
- if (flags & MCL_FUTURE)
-- def_flags = VM_LOCKED;
-- current->mm->def_flags = def_flags;
-+ current->mm->def_flags |= VM_LOCKED;
-+ else
-+ current->mm->def_flags &= ~VM_LOCKED;
- if (flags == MCL_FUTURE)
- goto out;
-
- for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {
- vm_flags_t newflags;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
-+ break;
-+#endif
-+
-+ BUG_ON(vma->vm_end > TASK_SIZE);
- newflags = vma->vm_flags | VM_LOCKED;
- if (!(flags & MCL_CURRENT))
- newflags &= ~VM_LOCKED;
-@@ -567,6 +583,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
- lock_limit >>= PAGE_SHIFT;
-
- ret = -ENOMEM;
-+ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1);
- if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) ||
- capable(CAP_IPC_LOCK))
- ret = do_mlockall(flags);
-diff --git a/mm/mmap.c b/mm/mmap.c
-index 3edfcdf..4a27ae9 100644
---- a/mm/mmap.c
-+++ b/mm/mmap.c
-@@ -47,6 +47,16 @@
- #define arch_rebalance_pgtables(addr, len) (addr)
- #endif
-
-+static inline void verify_mm_writelocked(struct mm_struct *mm)
-+{
-+#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX)
-+ if (unlikely(down_read_trylock(&mm->mmap_sem))) {
-+ up_read(&mm->mmap_sem);
-+ BUG();
-+ }
-+#endif
-+}
-+
- static void unmap_region(struct mm_struct *mm,
- struct vm_area_struct *vma, struct vm_area_struct *prev,
- unsigned long start, unsigned long end);
-@@ -72,22 +82,32 @@ static void unmap_region(struct mm_struct *mm,
- * x: (no) no x: (no) yes x: (no) yes x: (yes) yes
- *
- */
--pgprot_t protection_map[16] = {
-+pgprot_t protection_map[16] __read_only = {
- __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
- __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
- };
-
--pgprot_t vm_get_page_prot(unsigned long vm_flags)
-+pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
- {
-- return __pgprot(pgprot_val(protection_map[vm_flags &
-+ pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags &
- (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
- pgprot_val(arch_vm_get_page_prot(vm_flags)));
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
-+ if (!(__supported_pte_mask & _PAGE_NX) &&
-+ (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC &&
-+ (vm_flags & (VM_READ | VM_WRITE)))
-+ prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot)))));
-+#endif
-+
-+ return prot;
- }
- EXPORT_SYMBOL(vm_get_page_prot);
-
- int sysctl_overcommit_memory __read_mostly = OVERCOMMIT_GUESS; /* heuristic overcommit */
- int sysctl_overcommit_ratio __read_mostly = 50; /* default is 50% */
- int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
-+unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024;
- /*
- * Make sure vm_committed_as in one cacheline and not cacheline shared with
- * other variables. It can be updated by several CPUs frequently.
-@@ -229,6 +249,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
- struct vm_area_struct *next = vma->vm_next;
-
- might_sleep();
-+ BUG_ON(vma->vm_mirror);
- if (vma->vm_ops && vma->vm_ops->close)
- vma->vm_ops->close(vma);
- if (vma->vm_file) {
-@@ -275,6 +296,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
- * not page aligned -Ram Gupta
- */
- rlim = rlimit(RLIMIT_DATA);
-+ gr_learn_resource(current, RLIMIT_DATA, (brk - mm->start_brk) + (mm->end_data - mm->start_data), 1);
- if (rlim < RLIM_INFINITY && (brk - mm->start_brk) +
- (mm->end_data - mm->start_data) > rlim)
- goto out;
-@@ -708,6 +730,12 @@ static int
- can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags,
- struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE)
-+ return 0;
-+#endif
-+
- if (is_mergeable_vma(vma, file, vm_flags) &&
- is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
- if (vma->vm_pgoff == vm_pgoff)
-@@ -727,6 +755,12 @@ static int
- can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
- struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE)
-+ return 0;
-+#endif
-+
- if (is_mergeable_vma(vma, file, vm_flags) &&
- is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
- pgoff_t vm_pglen;
-@@ -769,13 +803,20 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
- struct vm_area_struct *vma_merge(struct mm_struct *mm,
- struct vm_area_struct *prev, unsigned long addr,
- unsigned long end, unsigned long vm_flags,
-- struct anon_vma *anon_vma, struct file *file,
-+ struct anon_vma *anon_vma, struct file *file,
- pgoff_t pgoff, struct mempolicy *policy)
- {
- pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
- struct vm_area_struct *area, *next;
- int err;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE;
-+ struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL;
-+
-+ BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end);
-+#endif
-+
- /*
- * We later require that vma->vm_flags == vm_flags,
- * so this tests vma->vm_flags & VM_SPECIAL, too.
-@@ -791,6 +832,15 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
- if (next && next->vm_end == end) /* cases 6, 7, 8 */
- next = next->vm_next;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (prev)
-+ prev_m = pax_find_mirror_vma(prev);
-+ if (area)
-+ area_m = pax_find_mirror_vma(area);
-+ if (next)
-+ next_m = pax_find_mirror_vma(next);
-+#endif
-+
- /*
- * Can it merge with the predecessor?
- */
-@@ -810,9 +860,24 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
- /* cases 1, 6 */
- err = vma_adjust(prev, prev->vm_start,
- next->vm_end, prev->vm_pgoff, NULL);
-- } else /* cases 2, 5, 7 */
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!err && prev_m)
-+ err = vma_adjust(prev_m, prev_m->vm_start,
-+ next_m->vm_end, prev_m->vm_pgoff, NULL);
-+#endif
-+
-+ } else { /* cases 2, 5, 7 */
- err = vma_adjust(prev, prev->vm_start,
- end, prev->vm_pgoff, NULL);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!err && prev_m)
-+ err = vma_adjust(prev_m, prev_m->vm_start,
-+ end_m, prev_m->vm_pgoff, NULL);
-+#endif
-+
-+ }
- if (err)
- return NULL;
- khugepaged_enter_vma_merge(prev);
-@@ -826,12 +891,27 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
- mpol_equal(policy, vma_policy(next)) &&
- can_vma_merge_before(next, vm_flags,
- anon_vma, file, pgoff+pglen)) {
-- if (prev && addr < prev->vm_end) /* case 4 */
-+ if (prev && addr < prev->vm_end) { /* case 4 */
- err = vma_adjust(prev, prev->vm_start,
- addr, prev->vm_pgoff, NULL);
-- else /* cases 3, 8 */
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!err && prev_m)
-+ err = vma_adjust(prev_m, prev_m->vm_start,
-+ addr_m, prev_m->vm_pgoff, NULL);
-+#endif
-+
-+ } else { /* cases 3, 8 */
- err = vma_adjust(area, addr, next->vm_end,
- next->vm_pgoff - pglen, NULL);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!err && area_m)
-+ err = vma_adjust(area_m, addr_m, next_m->vm_end,
-+ next_m->vm_pgoff - pglen, NULL);
-+#endif
-+
-+ }
- if (err)
- return NULL;
- khugepaged_enter_vma_merge(area);
-@@ -940,14 +1020,11 @@ none:
- void vm_stat_account(struct mm_struct *mm, unsigned long flags,
- struct file *file, long pages)
- {
-- const unsigned long stack_flags
-- = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN);
--
- if (file) {
- mm->shared_vm += pages;
- if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC)
- mm->exec_vm += pages;
-- } else if (flags & stack_flags)
-+ } else if (flags & (VM_GROWSUP|VM_GROWSDOWN))
- mm->stack_vm += pages;
- if (flags & (VM_RESERVED|VM_IO))
- mm->reserved_vm += pages;
-@@ -985,7 +1062,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- * (the exception is when the underlying filesystem is noexec
- * mounted, in which case we dont add PROT_EXEC.)
- */
-- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
-+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
- if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC)))
- prot |= PROT_EXEC;
-
-@@ -1011,7 +1088,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- /* Obtain the address to map to. we verify (or select) it and ensure
- * that it represents a valid section of the address space.
- */
-- addr = get_unmapped_area(file, addr, len, pgoff, flags);
-+ addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0));
- if (addr & ~PAGE_MASK)
- return addr;
-
-@@ -1022,6 +1099,36 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) |
- mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
-
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (mm->pax_flags & MF_PAX_MPROTECT) {
-+#ifndef CONFIG_PAX_MPROTECT_COMPAT
-+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) {
-+ gr_log_rwxmmap(file);
-+
-+#ifdef CONFIG_PAX_EMUPLT
-+ vm_flags &= ~VM_EXEC;
-+#else
-+ return -EPERM;
-+#endif
-+
-+ }
-+
-+ if (!(vm_flags & VM_EXEC))
-+ vm_flags &= ~VM_MAYEXEC;
-+#else
-+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
-+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
-+#endif
-+ else
-+ vm_flags &= ~VM_MAYWRITE;
-+ }
-+#endif
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
-+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file)
-+ vm_flags &= ~VM_PAGEEXEC;
-+#endif
-+
- if (flags & MAP_LOCKED)
- if (!can_do_mlock())
- return -EPERM;
-@@ -1033,6 +1140,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- locked += mm->locked_vm;
- lock_limit = rlimit(RLIMIT_MEMLOCK);
- lock_limit >>= PAGE_SHIFT;
-+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
- if (locked > lock_limit && !capable(CAP_IPC_LOCK))
- return -EAGAIN;
- }
-@@ -1099,6 +1207,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- }
- }
-
-+ if (!gr_acl_handle_mmap(file, prot))
-+ return -EACCES;
-+
- return mmap_region(file, addr, len, flags, vm_flags, pgoff);
- }
-
-@@ -1175,7 +1286,7 @@ int vma_wants_writenotify(struct vm_area_struct *vma)
- vm_flags_t vm_flags = vma->vm_flags;
-
- /* If it was private or non-writable, the write bit is already clear */
-- if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED)))
-+ if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED))
- return 0;
-
- /* The backer wishes to know when pages are first written to? */
-@@ -1224,14 +1335,24 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
- unsigned long charged = 0;
- struct inode *inode = file ? file->f_path.dentry->d_inode : NULL;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m = NULL;
-+#endif
-+
-+ /*
-+ * mm->mmap_sem is required to protect against another thread
-+ * changing the mappings in case we sleep.
-+ */
-+ verify_mm_writelocked(mm);
-+
- /* Clear old maps */
- error = -ENOMEM;
--munmap_back:
- vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
- if (vma && vma->vm_start < addr + len) {
- if (do_munmap(mm, addr, len))
- return -ENOMEM;
-- goto munmap_back;
-+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
-+ BUG_ON(vma && vma->vm_start < addr + len);
- }
-
- /* Check against address space limit. */
-@@ -1280,6 +1401,16 @@ munmap_back:
- goto unacct_error;
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) {
-+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-+ if (!vma_m) {
-+ error = -ENOMEM;
-+ goto free_vma;
-+ }
-+ }
-+#endif
-+
- vma->vm_mm = mm;
- vma->vm_start = addr;
- vma->vm_end = addr + len;
-@@ -1304,6 +1435,19 @@ munmap_back:
- error = file->f_op->mmap(file, vma);
- if (error)
- goto unmap_and_free_vma;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m && (vm_flags & VM_EXECUTABLE))
-+ added_exe_file_vma(mm);
-+#endif
-+
-+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
-+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) {
-+ vma->vm_flags |= VM_PAGEEXEC;
-+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-+ }
-+#endif
-+
- if (vm_flags & VM_EXECUTABLE)
- added_exe_file_vma(mm);
-
-@@ -1341,6 +1485,11 @@ munmap_back:
- vma_link(mm, vma, prev, rb_link, rb_parent);
- file = vma->vm_file;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m)
-+ BUG_ON(pax_mirror_vma(vma_m, vma));
-+#endif
-+
- /* Once vma denies write, undo our temporary denial count */
- if (correct_wcount)
- atomic_inc(&inode->i_writecount);
-@@ -1349,6 +1498,7 @@ out:
-
- mm->total_vm += len >> PAGE_SHIFT;
- vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
-+ track_exec_limit(mm, addr, addr + len, vm_flags);
- if (vm_flags & VM_LOCKED) {
- if (!mlock_vma_pages_range(vma, addr, addr + len))
- mm->locked_vm += (len >> PAGE_SHIFT);
-@@ -1371,6 +1521,12 @@ unmap_and_free_vma:
- unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end);
- charged = 0;
- free_vma:
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m)
-+ kmem_cache_free(vm_area_cachep, vma_m);
-+#endif
-+
- kmem_cache_free(vm_area_cachep, vma);
- unacct_error:
- if (charged)
-@@ -1378,6 +1534,44 @@ unacct_error:
- return error;
- }
-
-+bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len)
-+{
-+ if (!vma) {
-+#ifdef CONFIG_STACK_GROWSUP
-+ if (addr > sysctl_heap_stack_gap)
-+ vma = find_vma(current->mm, addr - sysctl_heap_stack_gap);
-+ else
-+ vma = find_vma(current->mm, 0);
-+ if (vma && (vma->vm_flags & VM_GROWSUP))
-+ return false;
-+#endif
-+ return true;
-+ }
-+
-+ if (addr + len > vma->vm_start)
-+ return false;
-+
-+ if (vma->vm_flags & VM_GROWSDOWN)
-+ return sysctl_heap_stack_gap <= vma->vm_start - addr - len;
-+#ifdef CONFIG_STACK_GROWSUP
-+ else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP))
-+ return addr - vma->vm_prev->vm_end <= sysctl_heap_stack_gap;
-+#endif
-+
-+ return true;
-+}
-+
-+unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len)
-+{
-+ if (vma->vm_start < len)
-+ return -ENOMEM;
-+ if (!(vma->vm_flags & VM_GROWSDOWN))
-+ return vma->vm_start - len;
-+ if (sysctl_heap_stack_gap <= vma->vm_start - len)
-+ return vma->vm_start - len - sysctl_heap_stack_gap;
-+ return -ENOMEM;
-+}
-+
- /* Get an address range which is currently unmapped.
- * For shmat() with addr=0.
- *
-@@ -1404,18 +1598,23 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
- if (flags & MAP_FIXED)
- return addr;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- if (addr) {
- addr = PAGE_ALIGN(addr);
-- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-- return addr;
-+ if (TASK_SIZE - len >= addr) {
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ return addr;
-+ }
- }
- if (len > mm->cached_hole_size) {
-- start_addr = addr = mm->free_area_cache;
-+ start_addr = addr = mm->free_area_cache;
- } else {
-- start_addr = addr = TASK_UNMAPPED_BASE;
-- mm->cached_hole_size = 0;
-+ start_addr = addr = mm->mmap_base;
-+ mm->cached_hole_size = 0;
- }
-
- full_search:
-@@ -1426,34 +1625,40 @@ full_search:
- * Start a new search - just in case we missed
- * some holes.
- */
-- if (start_addr != TASK_UNMAPPED_BASE) {
-- addr = TASK_UNMAPPED_BASE;
-- start_addr = addr;
-+ if (start_addr != mm->mmap_base) {
-+ start_addr = addr = mm->mmap_base;
- mm->cached_hole_size = 0;
- goto full_search;
- }
- return -ENOMEM;
- }
-- if (!vma || addr + len <= vma->vm_start) {
-- /*
-- * Remember the place where we stopped the search:
-- */
-- mm->free_area_cache = addr + len;
-- return addr;
-- }
-+ if (check_heap_stack_gap(vma, addr, len))
-+ break;
- if (addr + mm->cached_hole_size < vma->vm_start)
- mm->cached_hole_size = vma->vm_start - addr;
- addr = vma->vm_end;
- }
-+
-+ /*
-+ * Remember the place where we stopped the search:
-+ */
-+ mm->free_area_cache = addr + len;
-+ return addr;
- }
- #endif
-
- void arch_unmap_area(struct mm_struct *mm, unsigned long addr)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr)
-+ return;
-+#endif
-+
- /*
- * Is this a new hole at the lowest possible address?
- */
-- if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache)
-+ if (addr >= mm->mmap_base && addr < mm->free_area_cache)
- mm->free_area_cache = addr;
- }
-
-@@ -1469,7 +1674,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- {
- struct vm_area_struct *vma;
- struct mm_struct *mm = current->mm;
-- unsigned long addr = addr0, start_addr;
-+ unsigned long base = mm->mmap_base, addr = addr0, start_addr;
-
- /* requested length too big for entire address space */
- if (len > TASK_SIZE)
-@@ -1478,13 +1683,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
- if (flags & MAP_FIXED)
- return addr;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
-+#endif
-+
- /* requesting a specific address */
- if (addr) {
- addr = PAGE_ALIGN(addr);
-- vma = find_vma(mm, addr);
-- if (TASK_SIZE - len >= addr &&
-- (!vma || addr + len <= vma->vm_start))
-- return addr;
-+ if (TASK_SIZE - len >= addr) {
-+ vma = find_vma(mm, addr);
-+ if (check_heap_stack_gap(vma, addr, len))
-+ return addr;
-+ }
- }
-
- /* check if free_area_cache is useful for us */
-@@ -1508,7 +1718,7 @@ try_again:
- * return with success:
- */
- vma = find_vma(mm, addr);
-- if (!vma || addr+len <= vma->vm_start)
-+ if (check_heap_stack_gap(vma, addr, len))
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr);
-
-@@ -1517,8 +1727,8 @@ try_again:
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
-- addr = vma->vm_start-len;
-- } while (len < vma->vm_start);
-+ addr = skip_heap_stack_gap(vma, len);
-+ } while (!IS_ERR_VALUE(addr));
-
- fail:
- /*
-@@ -1541,13 +1751,21 @@ fail:
- * can happen with large stack limits and large mmap()
- * allocations.
- */
-+ mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
-+ mm->free_area_cache = mm->mmap_base;
- mm->cached_hole_size = ~0UL;
-- mm->free_area_cache = TASK_UNMAPPED_BASE;
- addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
- /*
- * Restore the topdown base:
- */
-- mm->free_area_cache = mm->mmap_base;
-+ mm->mmap_base = base;
-+ mm->free_area_cache = base;
- mm->cached_hole_size = ~0UL;
-
- return addr;
-@@ -1556,6 +1774,12 @@ fail:
-
- void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr)
-+ return;
-+#endif
-+
- /*
- * Is this a new hole at the highest possible address?
- */
-@@ -1563,8 +1787,10 @@ void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
- mm->free_area_cache = addr;
-
- /* dont allow allocations above current base */
-- if (mm->free_area_cache > mm->mmap_base)
-+ if (mm->free_area_cache > mm->mmap_base) {
- mm->free_area_cache = mm->mmap_base;
-+ mm->cached_hole_size = ~0UL;
-+ }
- }
-
- unsigned long
-@@ -1663,6 +1889,28 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr,
- return vma;
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma)
-+{
-+ struct vm_area_struct *vma_m;
-+
-+ BUG_ON(!vma || vma->vm_start >= vma->vm_end);
-+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) {
-+ BUG_ON(vma->vm_mirror);
-+ return NULL;
-+ }
-+ BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end);
-+ vma_m = vma->vm_mirror;
-+ BUG_ON(!vma_m || vma_m->vm_mirror != vma);
-+ BUG_ON(vma->vm_file != vma_m->vm_file);
-+ BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start);
-+ BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff);
-+ BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root);
-+ BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED | VM_RESERVED));
-+ return vma_m;
-+}
-+#endif
-+
- /*
- * Verify that the stack growth is acceptable and
- * update accounting. This is shared with both the
-@@ -1679,6 +1927,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
- return -ENOMEM;
-
- /* Stack limit test */
-+ gr_learn_resource(current, RLIMIT_STACK, size, 1);
- if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
- return -ENOMEM;
-
-@@ -1689,6 +1938,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
- locked = mm->locked_vm + grow;
- limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
- limit >>= PAGE_SHIFT;
-+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
- if (locked > limit && !capable(CAP_IPC_LOCK))
- return -ENOMEM;
- }
-@@ -1719,37 +1969,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
- * PA-RISC uses this for its stack; IA64 for its Register Backing Store.
- * vma is the last one with address > vma->vm_end. Have to extend vma.
- */
-+#ifndef CONFIG_IA64
-+static
-+#endif
- int expand_upwards(struct vm_area_struct *vma, unsigned long address)
- {
- int error;
-+ bool locknext;
-
- if (!(vma->vm_flags & VM_GROWSUP))
- return -EFAULT;
-
-+ /* Also guard against wrapping around to address 0. */
-+ if (address < PAGE_ALIGN(address+1))
-+ address = PAGE_ALIGN(address+1);
-+ else
-+ return -ENOMEM;
-+
- /*
- * We must make sure the anon_vma is allocated
- * so that the anon_vma locking is not a noop.
- */
- if (unlikely(anon_vma_prepare(vma)))
- return -ENOMEM;
-+ locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN);
-+ if (locknext && anon_vma_prepare(vma->vm_next))
-+ return -ENOMEM;
- vma_lock_anon_vma(vma);
-+ if (locknext)
-+ vma_lock_anon_vma(vma->vm_next);
-
- /*
- * vma->vm_start/vm_end cannot change under us because the caller
- * is required to hold the mmap_sem in read mode. We need the
-- * anon_vma lock to serialize against concurrent expand_stacks.
-- * Also guard against wrapping around to address 0.
-+ * anon_vma locks to serialize against concurrent expand_stacks
-+ * and expand_upwards.
- */
-- if (address < PAGE_ALIGN(address+4))
-- address = PAGE_ALIGN(address+4);
-- else {
-- vma_unlock_anon_vma(vma);
-- return -ENOMEM;
-- }
- error = 0;
-
- /* Somebody else might have raced and expanded it already */
-- if (address > vma->vm_end) {
-+ if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap)
-+ error = -ENOMEM;
-+ else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) {
- unsigned long size, grow;
-
- size = address - vma->vm_start;
-@@ -1764,6 +2025,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
- }
- }
- }
-+ if (locknext)
-+ vma_unlock_anon_vma(vma->vm_next);
- vma_unlock_anon_vma(vma);
- khugepaged_enter_vma_merge(vma);
- return error;
-@@ -1777,6 +2040,8 @@ int expand_downwards(struct vm_area_struct *vma,
- unsigned long address)
- {
- int error;
-+ bool lockprev = false;
-+ struct vm_area_struct *prev;
-
- /*
- * We must make sure the anon_vma is allocated
-@@ -1790,6 +2055,15 @@ int expand_downwards(struct vm_area_struct *vma,
- if (error)
- return error;
-
-+ prev = vma->vm_prev;
-+#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64)
-+ lockprev = prev && (prev->vm_flags & VM_GROWSUP);
-+#endif
-+ if (lockprev && anon_vma_prepare(prev))
-+ return -ENOMEM;
-+ if (lockprev)
-+ vma_lock_anon_vma(prev);
-+
- vma_lock_anon_vma(vma);
-
- /*
-@@ -1799,9 +2073,17 @@ int expand_downwards(struct vm_area_struct *vma,
- */
-
- /* Somebody else might have raced and expanded it already */
-- if (address < vma->vm_start) {
-+ if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap)
-+ error = -ENOMEM;
-+ else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) {
- unsigned long size, grow;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m;
-+
-+ vma_m = pax_find_mirror_vma(vma);
-+#endif
-+
- size = vma->vm_end - address;
- grow = (vma->vm_start - address) >> PAGE_SHIFT;
-
-@@ -1811,11 +2093,22 @@ int expand_downwards(struct vm_area_struct *vma,
- if (!error) {
- vma->vm_start = address;
- vma->vm_pgoff -= grow;
-+ track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m) {
-+ vma_m->vm_start -= grow << PAGE_SHIFT;
-+ vma_m->vm_pgoff -= grow;
-+ }
-+#endif
-+
- perf_event_mmap(vma);
- }
- }
- }
- vma_unlock_anon_vma(vma);
-+ if (lockprev)
-+ vma_unlock_anon_vma(prev);
- khugepaged_enter_vma_merge(vma);
- return error;
- }
-@@ -1887,6 +2180,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
- do {
- long nrpages = vma_pages(vma);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) {
-+ vma = remove_vma(vma);
-+ continue;
-+ }
-+#endif
-+
- if (vma->vm_flags & VM_ACCOUNT)
- nr_accounted += nrpages;
- mm->total_vm -= nrpages;
-@@ -1933,6 +2233,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
- insertion_point = (prev ? &prev->vm_next : &mm->mmap);
- vma->vm_prev = NULL;
- do {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma->vm_mirror) {
-+ BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma);
-+ vma->vm_mirror->vm_mirror = NULL;
-+ vma->vm_mirror->vm_flags &= ~VM_EXEC;
-+ vma->vm_mirror = NULL;
-+ }
-+#endif
-+
- rb_erase(&vma->vm_rb, &mm->mm_rb);
- mm->map_count--;
- tail_vma = vma;
-@@ -1961,14 +2271,33 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
- struct vm_area_struct *new;
- int err = -ENOMEM;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m, *new_m = NULL;
-+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE;
-+#endif
-+
- if (is_vm_hugetlb_page(vma) && (addr &
- ~(huge_page_mask(hstate_vma(vma)))))
- return -EINVAL;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ vma_m = pax_find_mirror_vma(vma);
-+#endif
-+
- new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
- if (!new)
- goto out_err;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m) {
-+ new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
-+ if (!new_m) {
-+ kmem_cache_free(vm_area_cachep, new);
-+ goto out_err;
-+ }
-+ }
-+#endif
-+
- /* most fields are the same, copy all, and then fixup */
- *new = *vma;
-
-@@ -1981,6 +2310,22 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
- new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT);
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m) {
-+ *new_m = *vma_m;
-+ INIT_LIST_HEAD(&new_m->anon_vma_chain);
-+ new_m->vm_mirror = new;
-+ new->vm_mirror = new_m;
-+
-+ if (new_below)
-+ new_m->vm_end = addr_m;
-+ else {
-+ new_m->vm_start = addr_m;
-+ new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT);
-+ }
-+ }
-+#endif
-+
- pol = mpol_dup(vma_policy(vma));
- if (IS_ERR(pol)) {
- err = PTR_ERR(pol);
-@@ -2006,6 +2351,42 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
- else
- err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (!err && vma_m) {
-+ if (anon_vma_clone(new_m, vma_m))
-+ goto out_free_mpol;
-+
-+ mpol_get(pol);
-+ vma_set_policy(new_m, pol);
-+
-+ if (new_m->vm_file) {
-+ get_file(new_m->vm_file);
-+ if (vma_m->vm_flags & VM_EXECUTABLE)
-+ added_exe_file_vma(mm);
-+ }
-+
-+ if (new_m->vm_ops && new_m->vm_ops->open)
-+ new_m->vm_ops->open(new_m);
-+
-+ if (new_below)
-+ err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff +
-+ ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m);
-+ else
-+ err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m);
-+
-+ if (err) {
-+ if (new_m->vm_ops && new_m->vm_ops->close)
-+ new_m->vm_ops->close(new_m);
-+ if (new_m->vm_file) {
-+ if (vma_m->vm_flags & VM_EXECUTABLE)
-+ removed_exe_file_vma(mm);
-+ fput(new_m->vm_file);
-+ }
-+ mpol_put(pol);
-+ }
-+ }
-+#endif
-+
- /* Success. */
- if (!err)
- return 0;
-@@ -2018,10 +2399,18 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
- removed_exe_file_vma(mm);
- fput(new->vm_file);
- }
-- unlink_anon_vmas(new);
- out_free_mpol:
- mpol_put(pol);
- out_free_vma:
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (new_m) {
-+ unlink_anon_vmas(new_m);
-+ kmem_cache_free(vm_area_cachep, new_m);
-+ }
-+#endif
-+
-+ unlink_anon_vmas(new);
- kmem_cache_free(vm_area_cachep, new);
- out_err:
- return err;
-@@ -2034,6 +2423,15 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
- int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
- unsigned long addr, int new_below)
- {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE);
-+ if (mm->map_count >= sysctl_max_map_count-1)
-+ return -ENOMEM;
-+ } else
-+#endif
-+
- if (mm->map_count >= sysctl_max_map_count)
- return -ENOMEM;
-
-@@ -2045,11 +2443,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
- * work. This now handles partial unmappings.
- * Jeremy Fitzhardinge <jeremy(a)goop.org>
- */
-+#ifdef CONFIG_PAX_SEGMEXEC
- int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
- {
-+ int ret = __do_munmap(mm, start, len);
-+ if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC))
-+ return ret;
-+
-+ return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len);
-+}
-+
-+int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
-+#else
-+int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
-+#endif
-+{
- unsigned long end;
- struct vm_area_struct *vma, *prev, *last;
-
-+ /*
-+ * mm->mmap_sem is required to protect against another thread
-+ * changing the mappings in case we sleep.
-+ */
-+ verify_mm_writelocked(mm);
-+
- if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start)
- return -EINVAL;
-
-@@ -2124,6 +2541,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
- /* Fix up all other VM information */
- remove_vma_list(mm, vma);
-
-+ track_exec_limit(mm, start, end, 0UL);
-+
- return 0;
- }
-
-@@ -2132,6 +2551,13 @@ int vm_munmap(unsigned long start, size_t len)
- int ret;
- struct mm_struct *mm = current->mm;
-
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) &&
-+ (len > SEGMEXEC_TASK_SIZE || start > SEGMEXEC_TASK_SIZE-len))
-+ return -EINVAL;
-+#endif
-+
- down_write(&mm->mmap_sem);
- ret = do_munmap(mm, start, len);
- up_write(&mm->mmap_sem);
-@@ -2145,16 +2571,6 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
- return vm_munmap(addr, len);
- }
-
--static inline void verify_mm_writelocked(struct mm_struct *mm)
--{
--#ifdef CONFIG_DEBUG_VM
-- if (unlikely(down_read_trylock(&mm->mmap_sem))) {
-- WARN_ON(1);
-- up_read(&mm->mmap_sem);
-- }
--#endif
--}
--
- /*
- * this is really a simplified "do_mmap". it only handles
- * anonymous maps. eventually we may be able to do some
-@@ -2168,6 +2584,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
- struct rb_node ** rb_link, * rb_parent;
- pgoff_t pgoff = addr >> PAGE_SHIFT;
- int error;
-+ unsigned long charged;
-
- len = PAGE_ALIGN(len);
- if (!len)
-@@ -2175,16 +2592,30 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
-
- flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
-
-+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
-+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
-+ flags &= ~VM_EXEC;
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (mm->pax_flags & MF_PAX_MPROTECT)
-+ flags &= ~VM_MAYEXEC;
-+#endif
-+
-+ }
-+#endif
-+
- error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED);
- if (error & ~PAGE_MASK)
- return error;
-
-+ charged = len >> PAGE_SHIFT;
-+
- /*
- * mlock MCL_FUTURE?
- */
- if (mm->def_flags & VM_LOCKED) {
- unsigned long locked, lock_limit;
-- locked = len >> PAGE_SHIFT;
-+ locked = charged;
- locked += mm->locked_vm;
- lock_limit = rlimit(RLIMIT_MEMLOCK);
- lock_limit >>= PAGE_SHIFT;
-@@ -2201,22 +2632,22 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
- /*
- * Clear old maps. this also does some error checking for us
- */
-- munmap_back:
- vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
- if (vma && vma->vm_start < addr + len) {
- if (do_munmap(mm, addr, len))
- return -ENOMEM;
-- goto munmap_back;
-- }
-+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
-+ BUG_ON(vma && vma->vm_start < addr + len);
-+ }
-
- /* Check against address space limits *after* clearing old maps... */
-- if (!may_expand_vm(mm, len >> PAGE_SHIFT))
-+ if (!may_expand_vm(mm, charged))
- return -ENOMEM;
-
- if (mm->map_count > sysctl_max_map_count)
- return -ENOMEM;
-
-- if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT))
-+ if (security_vm_enough_memory_mm(mm, charged))
- return -ENOMEM;
-
- /* Can we just expand an old private anonymous mapping? */
-@@ -2230,7 +2661,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
- */
- vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
- if (!vma) {
-- vm_unacct_memory(len >> PAGE_SHIFT);
-+ vm_unacct_memory(charged);
- return -ENOMEM;
- }
-
-@@ -2244,11 +2675,12 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
- vma_link(mm, vma, prev, rb_link, rb_parent);
- out:
- perf_event_mmap(vma);
-- mm->total_vm += len >> PAGE_SHIFT;
-+ mm->total_vm += charged;
- if (flags & VM_LOCKED) {
- if (!mlock_vma_pages_range(vma, addr, addr + len))
-- mm->locked_vm += (len >> PAGE_SHIFT);
-+ mm->locked_vm += charged;
- }
-+ track_exec_limit(mm, addr, addr + len, flags);
- return addr;
- }
-
-@@ -2306,6 +2738,7 @@ void exit_mmap(struct mm_struct *mm)
- while (vma) {
- if (vma->vm_flags & VM_ACCOUNT)
- nr_accounted += vma_pages(vma);
-+ vma->vm_mirror = NULL;
- vma = remove_vma(vma);
- }
- vm_unacct_memory(nr_accounted);
-@@ -2322,6 +2755,13 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
- struct vm_area_struct * __vma, * prev;
- struct rb_node ** rb_link, * rb_parent;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m = NULL;
-+#endif
-+
-+ if (security_mmap_addr(vma->vm_start))
-+ return -EPERM;
-+
- /*
- * The vm_pgoff of a purely anonymous vma should be irrelevant
- * until its first write fault, when page's anon_vma and index
-@@ -2348,7 +2788,21 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
- if (vma->vm_file && uprobe_mmap(vma))
- return -EINVAL;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) {
-+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-+ if (!vma_m)
-+ return -ENOMEM;
-+ }
-+#endif
-+
- vma_link(mm, vma, prev, rb_link, rb_parent);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (vma_m)
-+ BUG_ON(pax_mirror_vma(vma_m, vma));
-+#endif
-+
- return 0;
- }
-
-@@ -2367,6 +2821,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
- struct mempolicy *pol;
- bool faulted_in_anon_vma = true;
-
-+ BUG_ON(vma->vm_mirror);
-+
- /*
- * If anonymous vma has not yet been faulted, update new pgoff
- * to match new location, to increase its chance of merging.
-@@ -2438,6 +2894,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
- return NULL;
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma)
-+{
-+ struct vm_area_struct *prev_m;
-+ struct rb_node **rb_link_m, *rb_parent_m;
-+ struct mempolicy *pol_m;
-+
-+ BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC));
-+ BUG_ON(vma->vm_mirror || vma_m->vm_mirror);
-+ BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m)));
-+ *vma_m = *vma;
-+ INIT_LIST_HEAD(&vma_m->anon_vma_chain);
-+ if (anon_vma_clone(vma_m, vma))
-+ return -ENOMEM;
-+ pol_m = vma_policy(vma_m);
-+ mpol_get(pol_m);
-+ vma_set_policy(vma_m, pol_m);
-+ vma_m->vm_start += SEGMEXEC_TASK_SIZE;
-+ vma_m->vm_end += SEGMEXEC_TASK_SIZE;
-+ vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED);
-+ vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags);
-+ if (vma_m->vm_file)
-+ get_file(vma_m->vm_file);
-+ if (vma_m->vm_ops && vma_m->vm_ops->open)
-+ vma_m->vm_ops->open(vma_m);
-+ find_vma_prepare(vma->vm_mm, vma_m->vm_start, &prev_m, &rb_link_m, &rb_parent_m);
-+ vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m);
-+ vma_m->vm_mirror = vma;
-+ vma->vm_mirror = vma_m;
-+ return 0;
-+}
-+#endif
-+
- /*
- * Return true if the calling process may expand its vm space by the passed
- * number of pages
-@@ -2449,6 +2938,12 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
-
- lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT;
-
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ cur -= mm->brk_gap;
-+#endif
-+
-+ gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1);
- if (cur + npages > lim)
- return 0;
- return 1;
-@@ -2519,6 +3014,22 @@ int install_special_mapping(struct mm_struct *mm,
- vma->vm_start = addr;
- vma->vm_end = addr + len;
-
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (mm->pax_flags & MF_PAX_MPROTECT) {
-+#ifndef CONFIG_PAX_MPROTECT_COMPAT
-+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC))
-+ return -EPERM;
-+ if (!(vm_flags & VM_EXEC))
-+ vm_flags &= ~VM_MAYEXEC;
-+#else
-+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
-+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
-+#endif
-+ else
-+ vm_flags &= ~VM_MAYWRITE;
-+ }
-+#endif
-+
- vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND;
- vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-
-diff --git a/mm/mprotect.c b/mm/mprotect.c
-index a409926..8b32e6d 100644
---- a/mm/mprotect.c
-+++ b/mm/mprotect.c
-@@ -23,10 +23,17 @@
- #include <linux/mmu_notifier.h>
- #include <linux/migrate.h>
- #include <linux/perf_event.h>
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+#include <linux/elf.h>
-+#include <linux/binfmts.h>
-+#endif
-+
- #include <asm/uaccess.h>
- #include <asm/pgtable.h>
- #include <asm/cacheflush.h>
- #include <asm/tlbflush.h>
-+#include <asm/mmu_context.h>
-
- #ifndef pgprot_modify
- static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
-@@ -141,6 +148,48 @@ static void change_protection(struct vm_area_struct *vma,
- flush_tlb_range(vma, start, end);
- }
-
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+/* called while holding the mmap semaphor for writing except stack expansion */
-+void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot)
-+{
-+ unsigned long oldlimit, newlimit = 0UL;
-+
-+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX))
-+ return;
-+
-+ spin_lock(&mm->page_table_lock);
-+ oldlimit = mm->context.user_cs_limit;
-+ if ((prot & VM_EXEC) && oldlimit < end)
-+ /* USER_CS limit moved up */
-+ newlimit = end;
-+ else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end)
-+ /* USER_CS limit moved down */
-+ newlimit = start;
-+
-+ if (newlimit) {
-+ mm->context.user_cs_limit = newlimit;
-+
-+#ifdef CONFIG_SMP
-+ wmb();
-+ cpus_clear(mm->context.cpu_user_cs_mask);
-+ cpu_set(smp_processor_id(), mm->context.cpu_user_cs_mask);
-+#endif
-+
-+ set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id());
-+ }
-+ spin_unlock(&mm->page_table_lock);
-+ if (newlimit == end) {
-+ struct vm_area_struct *vma = find_vma(mm, oldlimit);
-+
-+ for (; vma && vma->vm_start < end; vma = vma->vm_next)
-+ if (is_vm_hugetlb_page(vma))
-+ hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot);
-+ else
-+ change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma));
-+ }
-+}
-+#endif
-+
- int
- mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
- unsigned long start, unsigned long end, unsigned long newflags)
-@@ -153,11 +202,29 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
- int error;
- int dirty_accountable = 0;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m = NULL;
-+ unsigned long start_m, end_m;
-+
-+ start_m = start + SEGMEXEC_TASK_SIZE;
-+ end_m = end + SEGMEXEC_TASK_SIZE;
-+#endif
-+
- if (newflags == oldflags) {
- *pprev = vma;
- return 0;
- }
-
-+ if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) {
-+ struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next;
-+
-+ if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end)
-+ return -ENOMEM;
-+
-+ if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end)
-+ return -ENOMEM;
-+ }
-+
- /*
- * If we make a private mapping writable we increase our commit;
- * but (without finer accounting) cannot reduce our commit if we
-@@ -174,6 +241,42 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
- }
- }
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) {
-+ if (start != vma->vm_start) {
-+ error = split_vma(mm, vma, start, 1);
-+ if (error)
-+ goto fail;
-+ BUG_ON(!*pprev || (*pprev)->vm_next == vma);
-+ *pprev = (*pprev)->vm_next;
-+ }
-+
-+ if (end != vma->vm_end) {
-+ error = split_vma(mm, vma, end, 0);
-+ if (error)
-+ goto fail;
-+ }
-+
-+ if (pax_find_mirror_vma(vma)) {
-+ error = __do_munmap(mm, start_m, end_m - start_m);
-+ if (error)
-+ goto fail;
-+ } else {
-+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-+ if (!vma_m) {
-+ error = -ENOMEM;
-+ goto fail;
-+ }
-+ vma->vm_flags = newflags;
-+ error = pax_mirror_vma(vma_m, vma);
-+ if (error) {
-+ vma->vm_flags = oldflags;
-+ goto fail;
-+ }
-+ }
-+ }
-+#endif
-+
- /*
- * First try to merge with previous and/or next vma.
- */
-@@ -204,9 +307,21 @@ success:
- * vm_flags and vm_page_prot are protected by the mmap_sem
- * held in write mode.
- */
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ))
-+ pax_find_mirror_vma(vma)->vm_flags ^= VM_READ;
-+#endif
-+
- vma->vm_flags = newflags;
-+
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (mm->binfmt && mm->binfmt->handle_mprotect)
-+ mm->binfmt->handle_mprotect(vma, newflags);
-+#endif
-+
- vma->vm_page_prot = pgprot_modify(vma->vm_page_prot,
-- vm_get_page_prot(newflags));
-+ vm_get_page_prot(vma->vm_flags));
-
- if (vma_wants_writenotify(vma)) {
- vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED);
-@@ -248,6 +363,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
- end = start + len;
- if (end <= start)
- return -ENOMEM;
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
-+ if (end > SEGMEXEC_TASK_SIZE)
-+ return -EINVAL;
-+ } else
-+#endif
-+
-+ if (end > TASK_SIZE)
-+ return -EINVAL;
-+
- if (!arch_validate_prot(prot))
- return -EINVAL;
-
-@@ -255,7 +381,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
- /*
- * Does the application expect PROT_READ to imply PROT_EXEC:
- */
-- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
-+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
- prot |= PROT_EXEC;
-
- vm_flags = calc_vm_prot_bits(prot);
-@@ -288,6 +414,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
- if (start > vma->vm_start)
- prev = vma;
-
-+#ifdef CONFIG_PAX_MPROTECT
-+ if (current->mm->binfmt && current->mm->binfmt->handle_mprotect)
-+ current->mm->binfmt->handle_mprotect(vma, vm_flags);
-+#endif
-+
- for (nstart = start ; ; ) {
- unsigned long newflags;
-
-@@ -297,6 +428,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
-
- /* newflags >> 4 shift VM_MAY% in place of VM_% */
- if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) {
-+ if (prot & (PROT_WRITE | PROT_EXEC))
-+ gr_log_rwxmprotect(vma->vm_file);
-+
-+ error = -EACCES;
-+ goto out;
-+ }
-+
-+ if (!gr_acl_handle_mprotect(vma->vm_file, prot)) {
- error = -EACCES;
- goto out;
- }
-@@ -311,6 +450,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
- error = mprotect_fixup(vma, &prev, nstart, tmp, newflags);
- if (error)
- goto out;
-+
-+ track_exec_limit(current->mm, nstart, tmp, vm_flags);
-+
- nstart = tmp;
-
- if (nstart < prev->vm_end)
-diff --git a/mm/mremap.c b/mm/mremap.c
-index 21fed20..6822658 100644
---- a/mm/mremap.c
-+++ b/mm/mremap.c
-@@ -106,6 +106,12 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
- continue;
- pte = ptep_get_and_clear(mm, old_addr, old_pte);
- pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr);
-+
-+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
-+ if (!(__supported_pte_mask & _PAGE_NX) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC)
-+ pte = pte_exprotect(pte);
-+#endif
-+
- set_pte_at(mm, new_addr, new_pte, pte);
- }
-
-@@ -299,6 +305,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
- if (is_vm_hugetlb_page(vma))
- goto Einval;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (pax_find_mirror_vma(vma))
-+ goto Einval;
-+#endif
-+
- /* We can't remap across vm area boundaries */
- if (old_len > vma->vm_end - addr)
- goto Efault;
-@@ -355,20 +366,25 @@ static unsigned long mremap_to(unsigned long addr,
- unsigned long ret = -EINVAL;
- unsigned long charged = 0;
- unsigned long map_flags;
-+ unsigned long pax_task_size = TASK_SIZE;
-
- if (new_addr & ~PAGE_MASK)
- goto out;
-
-- if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-+
-+ if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len)
- goto out;
-
- /* Check if the location we're moving into overlaps the
- * old location at all, and fail if it does.
- */
-- if ((new_addr <= addr) && (new_addr+new_len) > addr)
-- goto out;
--
-- if ((addr <= new_addr) && (addr+old_len) > new_addr)
-+ if (addr + old_len > new_addr && new_addr + new_len > addr)
- goto out;
-
- ret = do_munmap(mm, new_addr, new_len);
-@@ -436,6 +452,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
- struct vm_area_struct *vma;
- unsigned long ret = -EINVAL;
- unsigned long charged = 0;
-+ unsigned long pax_task_size = TASK_SIZE;
-
- down_write(¤t->mm->mmap_sem);
-
-@@ -456,6 +473,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
- if (!new_len)
- goto out;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (mm->pax_flags & MF_PAX_SEGMEXEC)
-+ pax_task_size = SEGMEXEC_TASK_SIZE;
-+#endif
-+
-+ pax_task_size -= PAGE_SIZE;
-+
-+ if (new_len > pax_task_size || addr > pax_task_size-new_len ||
-+ old_len > pax_task_size || addr > pax_task_size-old_len)
-+ goto out;
-+
- if (flags & MREMAP_FIXED) {
- if (flags & MREMAP_MAYMOVE)
- ret = mremap_to(addr, old_len, new_addr, new_len);
-@@ -505,6 +533,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
- addr + new_len);
- }
- ret = addr;
-+ track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags);
- goto out;
- }
- }
-@@ -528,7 +557,12 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
- goto out;
- }
-
-+ map_flags = vma->vm_flags;
- ret = move_vma(vma, addr, old_len, new_len, new_addr);
-+ if (!(ret & ~PAGE_MASK)) {
-+ track_exec_limit(current->mm, addr, addr + old_len, 0UL);
-+ track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags);
-+ }
- }
- out:
- if (ret & ~PAGE_MASK)
-diff --git a/mm/nommu.c b/mm/nommu.c
-index d4b0c10..ed421b5 100644
---- a/mm/nommu.c
-+++ b/mm/nommu.c
-@@ -62,7 +62,6 @@ int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */
- int sysctl_overcommit_ratio = 50; /* default is 50% */
- int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT;
- int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS;
--int heap_stack_gap = 0;
-
- atomic_long_t mmap_pages_allocated;
-
-@@ -827,15 +826,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
- EXPORT_SYMBOL(find_vma);
-
- /*
-- * find a VMA
-- * - we don't extend stack VMAs under NOMMU conditions
-- */
--struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr)
--{
-- return find_vma(mm, addr);
--}
--
--/*
- * expand a stack to a given address
- * - not supported under NOMMU conditions
- */
-@@ -1551,6 +1541,7 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
-
- /* most fields are the same, copy all, and then fixup */
- *new = *vma;
-+ INIT_LIST_HEAD(&new->anon_vma_chain);
- *region = *vma->vm_region;
- new->vm_region = region;
-
-diff --git a/mm/page_alloc.c b/mm/page_alloc.c
-index 201b508..1fb51ca 100644
---- a/mm/page_alloc.c
-+++ b/mm/page_alloc.c
-@@ -336,7 +336,7 @@ out:
- * This usage means that zero-order pages may not be compound.
- */
-
--static void free_compound_page(struct page *page)
-+void free_compound_page(struct page *page)
- {
- __free_pages_ok(page, compound_order(page));
- }
-@@ -693,6 +693,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
- int i;
- int bad = 0;
-
-+#ifdef CONFIG_PAX_MEMORY_SANITIZE
-+ unsigned long index = 1UL << order;
-+#endif
-+
- trace_mm_page_free(page, order);
- kmemcheck_free_shadow(page, order);
-
-@@ -708,6 +712,12 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
- debug_check_no_obj_freed(page_address(page),
- PAGE_SIZE << order);
- }
-+
-+#ifdef CONFIG_PAX_MEMORY_SANITIZE
-+ for (; index; --index)
-+ sanitize_highpage(page + index - 1);
-+#endif
-+
- arch_free_page(page, order);
- kernel_map_pages(page, 1 << order, 0);
-
-@@ -849,8 +859,10 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
- arch_alloc_page(page, order);
- kernel_map_pages(page, 1 << order, 1);
-
-+#ifndef CONFIG_PAX_MEMORY_SANITIZE
- if (gfp_flags & __GFP_ZERO)
- prep_zero_page(page, order, gfp_flags);
-+#endif
-
- if (order && (gfp_flags & __GFP_COMP))
- prep_compound_page(page, order);
-@@ -3579,7 +3591,13 @@ static int pageblock_is_reserved(unsigned long start_pfn, unsigned long end_pfn)
- unsigned long pfn;
-
- for (pfn = start_pfn; pfn < end_pfn; pfn++) {
-+#ifdef CONFIG_X86_32
-+ /* boot failures in VMware 8 on 32bit vanilla since
-+ this change */
-+ if (!pfn_valid(pfn) || PageReserved(pfn_to_page(pfn)))
-+#else
- if (!pfn_valid_within(pfn) || PageReserved(pfn_to_page(pfn)))
-+#endif
- return 1;
- }
- return 0;
-diff --git a/mm/percpu.c b/mm/percpu.c
-index bb4be74..a43ea85 100644
---- a/mm/percpu.c
-+++ b/mm/percpu.c
-@@ -122,7 +122,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly;
- static unsigned int pcpu_high_unit_cpu __read_mostly;
-
- /* the address of the first chunk which starts with the kernel static area */
--void *pcpu_base_addr __read_mostly;
-+void *pcpu_base_addr __read_only;
- EXPORT_SYMBOL_GPL(pcpu_base_addr);
-
- static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */
-diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
-index 926b466..b23df53 100644
---- a/mm/process_vm_access.c
-+++ b/mm/process_vm_access.c
-@@ -13,6 +13,7 @@
- #include <linux/uio.h>
- #include <linux/sched.h>
- #include <linux/highmem.h>
-+#include <linux/security.h>
- #include <linux/ptrace.h>
- #include <linux/slab.h>
- #include <linux/syscalls.h>
-@@ -258,19 +259,19 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
- size_t iov_l_curr_offset = 0;
- ssize_t iov_len;
-
-+ return -ENOSYS; // PaX: until properly audited
-+
- /*
- * Work out how many pages of struct pages we're going to need
- * when eventually calling get_user_pages
- */
- for (i = 0; i < riovcnt; i++) {
- iov_len = rvec[i].iov_len;
-- if (iov_len > 0) {
-- nr_pages_iov = ((unsigned long)rvec[i].iov_base
-- + iov_len)
-- / PAGE_SIZE - (unsigned long)rvec[i].iov_base
-- / PAGE_SIZE + 1;
-- nr_pages = max(nr_pages, nr_pages_iov);
-- }
-+ if (iov_len <= 0)
-+ continue;
-+ nr_pages_iov = ((unsigned long)rvec[i].iov_base + iov_len) / PAGE_SIZE -
-+ (unsigned long)rvec[i].iov_base / PAGE_SIZE + 1;
-+ nr_pages = max(nr_pages, nr_pages_iov);
- }
-
- if (nr_pages == 0)
-@@ -298,6 +299,11 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
- goto free_proc_pages;
- }
-
-+ if (gr_handle_ptrace(task, vm_write ? PTRACE_POKETEXT : PTRACE_ATTACH)) {
-+ rc = -EPERM;
-+ goto put_task_struct;
-+ }
-+
- mm = mm_access(task, PTRACE_MODE_ATTACH);
- if (!mm || IS_ERR(mm)) {
- rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
-diff --git a/mm/rmap.c b/mm/rmap.c
-index 0f3b7cd..c5652b6 100644
---- a/mm/rmap.c
-+++ b/mm/rmap.c
-@@ -167,6 +167,10 @@ int anon_vma_prepare(struct vm_area_struct *vma)
- struct anon_vma *anon_vma = vma->anon_vma;
- struct anon_vma_chain *avc;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct anon_vma_chain *avc_m = NULL;
-+#endif
-+
- might_sleep();
- if (unlikely(!anon_vma)) {
- struct mm_struct *mm = vma->vm_mm;
-@@ -176,6 +180,12 @@ int anon_vma_prepare(struct vm_area_struct *vma)
- if (!avc)
- goto out_enomem;
-
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ avc_m = anon_vma_chain_alloc(GFP_KERNEL);
-+ if (!avc_m)
-+ goto out_enomem_free_avc;
-+#endif
-+
- anon_vma = find_mergeable_anon_vma(vma);
- allocated = NULL;
- if (!anon_vma) {
-@@ -189,6 +199,18 @@ int anon_vma_prepare(struct vm_area_struct *vma)
- /* page_table_lock to protect against threads */
- spin_lock(&mm->page_table_lock);
- if (likely(!vma->anon_vma)) {
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ struct vm_area_struct *vma_m = pax_find_mirror_vma(vma);
-+
-+ if (vma_m) {
-+ BUG_ON(vma_m->anon_vma);
-+ vma_m->anon_vma = anon_vma;
-+ anon_vma_chain_link(vma_m, avc_m, anon_vma);
-+ avc_m = NULL;
-+ }
-+#endif
-+
- vma->anon_vma = anon_vma;
- anon_vma_chain_link(vma, avc, anon_vma);
- allocated = NULL;
-@@ -199,12 +221,24 @@ int anon_vma_prepare(struct vm_area_struct *vma)
-
- if (unlikely(allocated))
- put_anon_vma(allocated);
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (unlikely(avc_m))
-+ anon_vma_chain_free(avc_m);
-+#endif
-+
- if (unlikely(avc))
- anon_vma_chain_free(avc);
- }
- return 0;
-
- out_enomem_free_avc:
-+
-+#ifdef CONFIG_PAX_SEGMEXEC
-+ if (avc_m)
-+ anon_vma_chain_free(avc_m);
-+#endif
-+
- anon_vma_chain_free(avc);
- out_enomem:
- return -ENOMEM;
-@@ -240,7 +274,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root)
- * Attach the anon_vmas from src to dst.
- * Returns 0 on success, -ENOMEM on failure.
- */
--int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
-+int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src)
- {
- struct anon_vma_chain *avc, *pavc;
- struct anon_vma *root = NULL;
-@@ -318,7 +352,7 @@ void anon_vma_moveto_tail(struct vm_area_struct *dst)
- * the corresponding VMA in the parent process is attached to.
- * Returns 0 on success, non-zero on failure.
- */
--int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
-+int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma)
- {
- struct anon_vma_chain *avc;
- struct anon_vma *anon_vma;
-diff --git a/mm/shmem.c b/mm/shmem.c
-index bd10636..5c16d49 100644
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -31,7 +31,7 @@
- #include <linux/export.h>
- #include <linux/swap.h>
-
--static struct vfsmount *shm_mnt;
-+struct vfsmount *shm_mnt;
-
- #ifdef CONFIG_SHMEM
- /*
-@@ -75,7 +75,7 @@ static struct vfsmount *shm_mnt;
- #define BOGO_DIRENT_SIZE 20
-
- /* Symlink up to this size is kmalloc'ed instead of using a swappable page */
--#define SHORT_SYMLINK_LEN 128
-+#define SHORT_SYMLINK_LEN 64
-
- struct shmem_xattr {
- struct list_head list; /* anchored by shmem_inode_info->xattr_list */
-@@ -2590,8 +2590,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
- int err = -ENOMEM;
-
- /* Round up to L1_CACHE_BYTES to resist false sharing */
-- sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info),
-- L1_CACHE_BYTES), GFP_KERNEL);
-+ sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL);
- if (!sbinfo)
- return -ENOMEM;
-
-diff --git a/mm/slab.c b/mm/slab.c
-index e901a36..9ff3f90 100644
---- a/mm/slab.c
-+++ b/mm/slab.c
-@@ -153,7 +153,7 @@
-
- /* Legal flag mask for kmem_cache_create(). */
- #if DEBUG
--# define CREATE_MASK (SLAB_RED_ZONE | \
-+# define CREATE_MASK (SLAB_USERCOPY | SLAB_RED_ZONE | \
- SLAB_POISON | SLAB_HWCACHE_ALIGN | \
- SLAB_CACHE_DMA | \
- SLAB_STORE_USER | \
-@@ -161,7 +161,7 @@
- SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \
- SLAB_DEBUG_OBJECTS | SLAB_NOLEAKTRACE | SLAB_NOTRACK)
- #else
--# define CREATE_MASK (SLAB_HWCACHE_ALIGN | \
-+# define CREATE_MASK (SLAB_USERCOPY | SLAB_HWCACHE_ALIGN | \
- SLAB_CACHE_DMA | \
- SLAB_RECLAIM_ACCOUNT | SLAB_PANIC | \
- SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \
-@@ -290,7 +290,7 @@ struct kmem_list3 {
- * Need this for bootstrapping a per node allocator.
- */
- #define NUM_INIT_LISTS (3 * MAX_NUMNODES)
--static struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS];
-+static struct kmem_list3 initkmem_list3[NUM_INIT_LISTS];
- #define CACHE_CACHE 0
- #define SIZE_AC MAX_NUMNODES
- #define SIZE_L3 (2 * MAX_NUMNODES)
-@@ -391,10 +391,10 @@ static void kmem_list3_init(struct kmem_list3 *parent)
- if ((x)->max_freeable < i) \
- (x)->max_freeable = i; \
- } while (0)
--#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit)
--#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss)
--#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit)
--#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss)
-+#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit)
-+#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss)
-+#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit)
-+#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss)
- #else
- #define STATS_INC_ACTIVE(x) do { } while (0)
- #define STATS_DEC_ACTIVE(x) do { } while (0)
-@@ -542,7 +542,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct slab *slab,
- * reciprocal_divide(offset, cache->reciprocal_buffer_size)
- */
- static inline unsigned int obj_to_index(const struct kmem_cache *cache,
-- const struct slab *slab, void *obj)
-+ const struct slab *slab, const void *obj)
- {
- u32 offset = (obj - slab->s_mem);
- return reciprocal_divide(offset, cache->reciprocal_buffer_size);
-@@ -563,12 +563,13 @@ EXPORT_SYMBOL(malloc_sizes);
- struct cache_names {
- char *name;
- char *name_dma;
-+ char *name_usercopy;
- };
-
- static struct cache_names __initdata cache_names[] = {
--#define CACHE(x) { .name = "size-" #x, .name_dma = "size-" #x "(DMA)" },
-+#define CACHE(x) { .name = "size-" #x, .name_dma = "size-" #x "(DMA)", .name_usercopy = "size-" #x "(USERCOPY)" },
- #include <linux/kmalloc_sizes.h>
-- {NULL,}
-+ {NULL}
- #undef CACHE
- };
-
-@@ -756,6 +757,12 @@ static inline struct kmem_cache *__find_general_cachep(size_t size,
- if (unlikely(gfpflags & GFP_DMA))
- return csizep->cs_dmacachep;
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ if (unlikely(gfpflags & GFP_USERCOPY))
-+ return csizep->cs_usercopycachep;
-+#endif
-+
- return csizep->cs_cachep;
- }
-
-@@ -1588,7 +1595,7 @@ void __init kmem_cache_init(void)
- sizes[INDEX_AC].cs_cachep = kmem_cache_create(names[INDEX_AC].name,
- sizes[INDEX_AC].cs_size,
- ARCH_KMALLOC_MINALIGN,
-- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
-+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
- NULL);
-
- if (INDEX_AC != INDEX_L3) {
-@@ -1596,7 +1603,7 @@ void __init kmem_cache_init(void)
- kmem_cache_create(names[INDEX_L3].name,
- sizes[INDEX_L3].cs_size,
- ARCH_KMALLOC_MINALIGN,
-- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
-+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
- NULL);
- }
-
-@@ -1614,7 +1621,7 @@ void __init kmem_cache_init(void)
- sizes->cs_cachep = kmem_cache_create(names->name,
- sizes->cs_size,
- ARCH_KMALLOC_MINALIGN,
-- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
-+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
- NULL);
- }
- #ifdef CONFIG_ZONE_DMA
-@@ -1626,6 +1633,16 @@ void __init kmem_cache_init(void)
- SLAB_PANIC,
- NULL);
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ sizes->cs_usercopycachep = kmem_cache_create(
-+ names->name_usercopy,
-+ sizes->cs_size,
-+ ARCH_KMALLOC_MINALIGN,
-+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
-+ NULL);
-+#endif
-+
- sizes++;
- names++;
- }
-@@ -4390,10 +4407,10 @@ static int s_show(struct seq_file *m, void *p)
- }
- /* cpu stats */
- {
-- unsigned long allochit = atomic_read(&cachep->allochit);
-- unsigned long allocmiss = atomic_read(&cachep->allocmiss);
-- unsigned long freehit = atomic_read(&cachep->freehit);
-- unsigned long freemiss = atomic_read(&cachep->freemiss);
-+ unsigned long allochit = atomic_read_unchecked(&cachep->allochit);
-+ unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss);
-+ unsigned long freehit = atomic_read_unchecked(&cachep->freehit);
-+ unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss);
-
- seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu",
- allochit, allocmiss, freehit, freemiss);
-@@ -4652,13 +4669,71 @@ static int __init slab_proc_init(void)
- {
- proc_create("slabinfo",S_IWUSR|S_IRUSR,NULL,&proc_slabinfo_operations);
- #ifdef CONFIG_DEBUG_SLAB_LEAK
-- proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
-+ proc_create("slab_allocators", S_IRUSR, NULL, &proc_slabstats_operations);
- #endif
- return 0;
- }
- module_init(slab_proc_init);
- #endif
-
-+bool is_usercopy_object(const void *ptr)
-+{
-+ struct page *page;
-+ struct kmem_cache *cachep;
-+
-+ if (ZERO_OR_NULL_PTR(ptr))
-+ return false;
-+
-+ if (!slab_is_available())
-+ return false;
-+
-+ if (!virt_addr_valid(ptr))
-+ return false;
-+
-+ page = virt_to_head_page(ptr);
-+
-+ if (!PageSlab(page))
-+ return false;
-+
-+ cachep = page_get_cache(page);
-+ return cachep->flags & SLAB_USERCOPY;
-+}
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+const char *check_heap_object(const void *ptr, unsigned long n, bool to)
-+{
-+ struct page *page;
-+ struct kmem_cache *cachep;
-+ struct slab *slabp;
-+ unsigned int objnr;
-+ unsigned long offset;
-+
-+ if (ZERO_OR_NULL_PTR(ptr))
-+ return "<null>";
-+
-+ if (!virt_addr_valid(ptr))
-+ return NULL;
-+
-+ page = virt_to_head_page(ptr);
-+
-+ if (!PageSlab(page))
-+ return NULL;
-+
-+ cachep = page_get_cache(page);
-+ if (!(cachep->flags & SLAB_USERCOPY))
-+ return cachep->name;
-+
-+ slabp = page_get_slab(page);
-+ objnr = obj_to_index(cachep, slabp, ptr);
-+ BUG_ON(objnr >= cachep->num);
-+ offset = ptr - index_to_obj(cachep, slabp, objnr) - obj_offset(cachep);
-+ if (offset <= obj_size(cachep) && n <= obj_size(cachep) - offset)
-+ return NULL;
-+
-+ return cachep->name;
-+}
-+#endif
-+
- /**
- * ksize - get the actual amount of memory allocated for a given object
- * @objp: Pointer to the object
-diff --git a/mm/slob.c b/mm/slob.c
-index 8105be4..3e3e9cd 100644
---- a/mm/slob.c
-+++ b/mm/slob.c
-@@ -29,7 +29,7 @@
- * If kmalloc is asked for objects of PAGE_SIZE or larger, it calls
- * alloc_pages() directly, allocating compound pages so the page order
- * does not have to be separately tracked, and also stores the exact
-- * allocation size in page->private so that it can be used to accurately
-+ * allocation size in slob_page->size so that it can be used to accurately
- * provide ksize(). These objects are detected in kfree() because slob_page()
- * is false for them.
- *
-@@ -58,6 +58,7 @@
- */
-
- #include <linux/kernel.h>
-+#include <linux/sched.h>
- #include <linux/slab.h>
- #include <linux/mm.h>
- #include <linux/swap.h> /* struct reclaim_state */
-@@ -102,7 +103,8 @@ struct slob_page {
- unsigned long flags; /* mandatory */
- atomic_t _count; /* mandatory */
- slobidx_t units; /* free units left in page */
-- unsigned long pad[2];
-+ unsigned long pad[1];
-+ unsigned long size; /* size when >=PAGE_SIZE */
- slob_t *free; /* first free slob_t in page */
- struct list_head list; /* linked list of free pages */
- };
-@@ -135,7 +137,7 @@ static LIST_HEAD(free_slob_large);
- */
- static inline int is_slob_page(struct slob_page *sp)
- {
-- return PageSlab((struct page *)sp);
-+ return PageSlab((struct page *)sp) && !sp->size;
- }
-
- static inline void set_slob_page(struct slob_page *sp)
-@@ -150,7 +152,7 @@ static inline void clear_slob_page(struct slob_page *sp)
-
- static inline struct slob_page *slob_page(const void *addr)
- {
-- return (struct slob_page *)virt_to_page(addr);
-+ return (struct slob_page *)virt_to_head_page(addr);
- }
-
- /*
-@@ -210,7 +212,7 @@ static void set_slob(slob_t *s, slobidx_t size, slob_t *next)
- /*
- * Return the size of a slob block.
- */
--static slobidx_t slob_units(slob_t *s)
-+static slobidx_t slob_units(const slob_t *s)
- {
- if (s->units > 0)
- return s->units;
-@@ -220,7 +222,7 @@ static slobidx_t slob_units(slob_t *s)
- /*
- * Return the next free slob block pointer after this one.
- */
--static slob_t *slob_next(slob_t *s)
-+static slob_t *slob_next(const slob_t *s)
- {
- slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK);
- slobidx_t next;
-@@ -235,7 +237,7 @@ static slob_t *slob_next(slob_t *s)
- /*
- * Returns true if s is the last free block in its page.
- */
--static int slob_last(slob_t *s)
-+static int slob_last(const slob_t *s)
- {
- return !((unsigned long)slob_next(s) & ~PAGE_MASK);
- }
-@@ -254,6 +256,7 @@ static void *slob_new_pages(gfp_t gfp, int order, int node)
- if (!page)
- return NULL;
-
-+ set_slob_page(page);
- return page_address(page);
- }
-
-@@ -370,11 +373,11 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
- if (!b)
- return NULL;
- sp = slob_page(b);
-- set_slob_page(sp);
-
- spin_lock_irqsave(&slob_lock, flags);
- sp->units = SLOB_UNITS(PAGE_SIZE);
- sp->free = b;
-+ sp->size = 0;
- INIT_LIST_HEAD(&sp->list);
- set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE));
- set_slob_page_free(sp, slob_list);
-@@ -476,10 +479,9 @@ out:
- * End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend.
- */
-
--void *__kmalloc_node(size_t size, gfp_t gfp, int node)
-+static void *__kmalloc_node_align(size_t size, gfp_t gfp, int node, int align)
- {
-- unsigned int *m;
-- int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
-+ slob_t *m;
- void *ret;
-
- gfp &= gfp_allowed_mask;
-@@ -494,7 +496,10 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
-
- if (!m)
- return NULL;
-- *m = size;
-+ BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT);
-+ BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT);
-+ m[0].units = size;
-+ m[1].units = align;
- ret = (void *)m + align;
-
- trace_kmalloc_node(_RET_IP_, ret,
-@@ -506,16 +511,25 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
- gfp |= __GFP_COMP;
- ret = slob_new_pages(gfp, order, node);
- if (ret) {
-- struct page *page;
-- page = virt_to_page(ret);
-- page->private = size;
-+ struct slob_page *sp;
-+ sp = slob_page(ret);
-+ sp->size = size;
- }
-
- trace_kmalloc_node(_RET_IP_, ret,
- size, PAGE_SIZE << order, gfp, node);
- }
-
-- kmemleak_alloc(ret, size, 1, gfp);
-+ return ret;
-+}
-+
-+void *__kmalloc_node(size_t size, gfp_t gfp, int node)
-+{
-+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
-+ void *ret = __kmalloc_node_align(size, gfp, node, align);
-+
-+ if (!ZERO_OR_NULL_PTR(ret))
-+ kmemleak_alloc(ret, size, 1, gfp);
- return ret;
- }
- EXPORT_SYMBOL(__kmalloc_node);
-@@ -533,13 +547,88 @@ void kfree(const void *block)
- sp = slob_page(block);
- if (is_slob_page(sp)) {
- int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
-- unsigned int *m = (unsigned int *)(block - align);
-- slob_free(m, *m + align);
-- } else
-+ slob_t *m = (slob_t *)(block - align);
-+ slob_free(m, m[0].units + align);
-+ } else {
-+ clear_slob_page(sp);
-+ free_slob_page(sp);
-+ sp->size = 0;
- put_page(&sp->page);
-+ }
- }
- EXPORT_SYMBOL(kfree);
-
-+bool is_usercopy_object(const void *ptr)
-+{
-+ if (!slab_is_available())
-+ return false;
-+
-+ // PAX: TODO
-+
-+ return false;
-+}
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+const char *check_heap_object(const void *ptr, unsigned long n, bool to)
-+{
-+ struct slob_page *sp;
-+ const slob_t *free;
-+ const void *base;
-+ unsigned long flags;
-+
-+ if (ZERO_OR_NULL_PTR(ptr))
-+ return "<null>";
-+
-+ if (!virt_addr_valid(ptr))
-+ return NULL;
-+
-+ sp = slob_page(ptr);
-+ if (!PageSlab((struct page *)sp))
-+ return NULL;
-+
-+ if (sp->size) {
-+ base = page_address(&sp->page);
-+ if (base <= ptr && n <= sp->size - (ptr - base))
-+ return NULL;
-+ return "<slob>";
-+ }
-+
-+ /* some tricky double walking to find the chunk */
-+ spin_lock_irqsave(&slob_lock, flags);
-+ base = (void *)((unsigned long)ptr & PAGE_MASK);
-+ free = sp->free;
-+
-+ while (!slob_last(free) && (void *)free <= ptr) {
-+ base = free + slob_units(free);
-+ free = slob_next(free);
-+ }
-+
-+ while (base < (void *)free) {
-+ slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units;
-+ int size = SLOB_UNIT * SLOB_UNITS(m + align);
-+ int offset;
-+
-+ if (ptr < base + align)
-+ break;
-+
-+ offset = ptr - base - align;
-+ if (offset >= m) {
-+ base += size;
-+ continue;
-+ }
-+
-+ if (n > m - offset)
-+ break;
-+
-+ spin_unlock_irqrestore(&slob_lock, flags);
-+ return NULL;
-+ }
-+
-+ spin_unlock_irqrestore(&slob_lock, flags);
-+ return "<slob>";
-+}
-+#endif
-+
- /* can't use ksize for kmem_cache_alloc memory, only kmalloc */
- size_t ksize(const void *block)
- {
-@@ -552,10 +641,10 @@ size_t ksize(const void *block)
- sp = slob_page(block);
- if (is_slob_page(sp)) {
- int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
-- unsigned int *m = (unsigned int *)(block - align);
-- return SLOB_UNITS(*m) * SLOB_UNIT;
-+ slob_t *m = (slob_t *)(block - align);
-+ return SLOB_UNITS(m[0].units) * SLOB_UNIT;
- } else
-- return sp->page.private;
-+ return sp->size;
- }
- EXPORT_SYMBOL(ksize);
-
-@@ -571,8 +660,13 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
- {
- struct kmem_cache *c;
-
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ c = __kmalloc_node_align(sizeof(struct kmem_cache),
-+ GFP_KERNEL, -1, ARCH_KMALLOC_MINALIGN);
-+#else
- c = slob_alloc(sizeof(struct kmem_cache),
- GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
-+#endif
-
- if (c) {
- c->name = name;
-@@ -614,17 +708,25 @@ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
-
- lockdep_trace_alloc(flags);
-
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ b = __kmalloc_node_align(c->size, flags, node, c->align);
-+#else
- if (c->size < PAGE_SIZE) {
- b = slob_alloc(c->size, flags, c->align, node);
- trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
- SLOB_UNITS(c->size) * SLOB_UNIT,
- flags, node);
- } else {
-+ struct slob_page *sp;
-+
- b = slob_new_pages(flags, get_order(c->size), node);
-+ sp = slob_page(b);
-+ sp->size = c->size;
- trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
- PAGE_SIZE << get_order(c->size),
- flags, node);
- }
-+#endif
-
- if (c->ctor)
- c->ctor(b);
-@@ -636,10 +738,16 @@ EXPORT_SYMBOL(kmem_cache_alloc_node);
-
- static void __kmem_cache_free(void *b, int size)
- {
-- if (size < PAGE_SIZE)
-+ struct slob_page *sp = slob_page(b);
-+
-+ if (is_slob_page(sp))
- slob_free(b, size);
-- else
-+ else {
-+ clear_slob_page(sp);
-+ free_slob_page(sp);
-+ sp->size = 0;
- slob_free_pages(b, get_order(size));
-+ }
- }
-
- static void kmem_rcu_free(struct rcu_head *head)
-@@ -652,17 +760,31 @@ static void kmem_rcu_free(struct rcu_head *head)
-
- void kmem_cache_free(struct kmem_cache *c, void *b)
- {
-+ int size = c->size;
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ if (size + c->align < PAGE_SIZE) {
-+ size += c->align;
-+ b -= c->align;
-+ }
-+#endif
-+
- kmemleak_free_recursive(b, c->flags);
- if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) {
- struct slob_rcu *slob_rcu;
-- slob_rcu = b + (c->size - sizeof(struct slob_rcu));
-- slob_rcu->size = c->size;
-+ slob_rcu = b + (size - sizeof(struct slob_rcu));
-+ slob_rcu->size = size;
- call_rcu(&slob_rcu->head, kmem_rcu_free);
- } else {
-- __kmem_cache_free(b, c->size);
-+ __kmem_cache_free(b, size);
- }
-
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ trace_kfree(_RET_IP_, b);
-+#else
- trace_kmem_cache_free(_RET_IP_, b);
-+#endif
-+
- }
- EXPORT_SYMBOL(kmem_cache_free);
-
-diff --git a/mm/slub.c b/mm/slub.c
-index 8c691fa..2993c2b 100644
---- a/mm/slub.c
-+++ b/mm/slub.c
-@@ -209,7 +209,7 @@ struct track {
-
- enum track_item { TRACK_ALLOC, TRACK_FREE };
-
--#ifdef CONFIG_SYSFS
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- static int sysfs_slab_add(struct kmem_cache *);
- static int sysfs_slab_alias(struct kmem_cache *, const char *);
- static void sysfs_slab_remove(struct kmem_cache *);
-@@ -538,7 +538,7 @@ static void print_track(const char *s, struct track *t)
- if (!t->addr)
- return;
-
-- printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n",
-+ printk(KERN_ERR "INFO: %s in %pA age=%lu cpu=%u pid=%d\n",
- s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid);
- #ifdef CONFIG_STACKTRACE
- {
-@@ -2603,6 +2603,8 @@ void kmem_cache_free(struct kmem_cache *s, void *x)
-
- page = virt_to_head_page(x);
-
-+ BUG_ON(!PageSlab(page));
-+
- slab_free(s, page, x, _RET_IP_);
-
- trace_kmem_cache_free(_RET_IP_, x);
-@@ -2636,7 +2638,7 @@ static int slub_min_objects;
- * Merge control. If this is set then no merging of slab caches will occur.
- * (Could be removed. This was introduced to pacify the merge skeptics.)
- */
--static int slub_nomerge;
-+static int slub_nomerge = 1;
-
- /*
- * Calculate the order of allocation given an slab object size.
-@@ -3089,7 +3091,7 @@ static int kmem_cache_open(struct kmem_cache *s,
- else
- s->cpu_partial = 30;
-
-- s->refcount = 1;
-+ atomic_set(&s->refcount, 1);
- #ifdef CONFIG_NUMA
- s->remote_node_defrag_ratio = 1000;
- #endif
-@@ -3193,8 +3195,7 @@ static inline int kmem_cache_close(struct kmem_cache *s)
- void kmem_cache_destroy(struct kmem_cache *s)
- {
- down_write(&slub_lock);
-- s->refcount--;
-- if (!s->refcount) {
-+ if (atomic_dec_and_test(&s->refcount)) {
- list_del(&s->list);
- up_write(&slub_lock);
- if (kmem_cache_close(s)) {
-@@ -3223,6 +3224,10 @@ static struct kmem_cache *kmem_cache;
- static struct kmem_cache *kmalloc_dma_caches[SLUB_PAGE_SHIFT];
- #endif
-
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+static struct kmem_cache *kmalloc_usercopy_caches[SLUB_PAGE_SHIFT];
-+#endif
-+
- static int __init setup_slub_min_order(char *str)
- {
- get_option(&str, &slub_min_order);
-@@ -3337,6 +3342,13 @@ static struct kmem_cache *get_slab(size_t size, gfp_t flags)
- return kmalloc_dma_caches[index];
-
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ if (flags & SLAB_USERCOPY)
-+ return kmalloc_usercopy_caches[index];
-+
-+#endif
-+
- return kmalloc_caches[index];
- }
-
-@@ -3405,6 +3417,59 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
- EXPORT_SYMBOL(__kmalloc_node);
- #endif
-
-+bool is_usercopy_object(const void *ptr)
-+{
-+ struct page *page;
-+ struct kmem_cache *s;
-+
-+ if (ZERO_OR_NULL_PTR(ptr))
-+ return false;
-+
-+ if (!slab_is_available())
-+ return false;
-+
-+ if (!virt_addr_valid(ptr))
-+ return false;
-+
-+ page = virt_to_head_page(ptr);
-+
-+ if (!PageSlab(page))
-+ return false;
-+
-+ s = page->slab;
-+ return s->flags & SLAB_USERCOPY;
-+}
-+
-+#ifdef CONFIG_PAX_USERCOPY
-+const char *check_heap_object(const void *ptr, unsigned long n, bool to)
-+{
-+ struct page *page;
-+ struct kmem_cache *s;
-+ unsigned long offset;
-+
-+ if (ZERO_OR_NULL_PTR(ptr))
-+ return "<null>";
-+
-+ if (!virt_addr_valid(ptr))
-+ return NULL;
-+
-+ page = virt_to_head_page(ptr);
-+
-+ if (!PageSlab(page))
-+ return NULL;
-+
-+ s = page->slab;
-+ if (!(s->flags & SLAB_USERCOPY))
-+ return s->name;
-+
-+ offset = (ptr - page_address(page)) % s->size;
-+ if (offset <= s->objsize && n <= s->objsize - offset)
-+ return NULL;
-+
-+ return s->name;
-+}
-+#endif
-+
- size_t ksize(const void *object)
- {
- struct page *page;
-@@ -3679,7 +3744,7 @@ static void __init kmem_cache_bootstrap_fixup(struct kmem_cache *s)
- int node;
-
- list_add(&s->list, &slab_caches);
-- s->refcount = -1;
-+ atomic_set(&s->refcount, -1);
-
- for_each_node_state(node, N_NORMAL_MEMORY) {
- struct kmem_cache_node *n = get_node(s, node);
-@@ -3799,17 +3864,17 @@ void __init kmem_cache_init(void)
-
- /* Caches that are not of the two-to-the-power-of size */
- if (KMALLOC_MIN_SIZE <= 32) {
-- kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, 0);
-+ kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, SLAB_USERCOPY);
- caches++;
- }
-
- if (KMALLOC_MIN_SIZE <= 64) {
-- kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, 0);
-+ kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, SLAB_USERCOPY);
- caches++;
- }
-
- for (i = KMALLOC_SHIFT_LOW; i < SLUB_PAGE_SHIFT; i++) {
-- kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, 0);
-+ kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, SLAB_USERCOPY);
- caches++;
- }
-
-@@ -3851,6 +3916,22 @@ void __init kmem_cache_init(void)
- }
- }
- #endif
-+
-+#ifdef CONFIG_PAX_USERCOPY_SLABS
-+ for (i = 0; i < SLUB_PAGE_SHIFT; i++) {
-+ struct kmem_cache *s = kmalloc_caches[i];
-+
-+ if (s && s->size) {
-+ char *name = kasprintf(GFP_NOWAIT,
-+ "usercopy-kmalloc-%d", s->objsize);
-+
-+ BUG_ON(!name);
-+ kmalloc_usercopy_caches[i] = create_kmalloc_cache(name,
-+ s->objsize, SLAB_USERCOPY);
-+ }
-+ }
-+#endif
-+
- printk(KERN_INFO
- "SLUB: Genslabs=%d, HWalign=%d, Order=%d-%d, MinObjects=%d,"
- " CPUs=%d, Nodes=%d\n",
-@@ -3877,7 +3958,7 @@ static int slab_unmergeable(struct kmem_cache *s)
- /*
- * We may have set a slab to be unmergeable during bootstrap.
- */
-- if (s->refcount < 0)
-+ if (atomic_read(&s->refcount) < 0)
- return 1;
-
- return 0;
-@@ -3936,7 +4017,7 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
- down_write(&slub_lock);
- s = find_mergeable(size, align, flags, name, ctor);
- if (s) {
-- s->refcount++;
-+ atomic_inc(&s->refcount);
- /*
- * Adjust the object sizes so that we clear
- * the complete object on kzalloc.
-@@ -3945,7 +4026,7 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
- s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *)));
-
- if (sysfs_slab_alias(s, name)) {
-- s->refcount--;
-+ atomic_dec(&s->refcount);
- goto err;
- }
- up_write(&slub_lock);
-@@ -4074,7 +4155,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
- }
- #endif
-
--#ifdef CONFIG_SYSFS
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- static int count_inuse(struct page *page)
- {
- return page->inuse;
-@@ -4461,12 +4542,12 @@ static void resiliency_test(void)
- validate_slab_cache(kmalloc_caches[9]);
- }
- #else
--#ifdef CONFIG_SYSFS
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- static void resiliency_test(void) {};
- #endif
- #endif
-
--#ifdef CONFIG_SYSFS
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- enum slab_stat_type {
- SL_ALL, /* All slabs */
- SL_PARTIAL, /* Only partially allocated slabs */
-@@ -4709,7 +4790,7 @@ SLAB_ATTR_RO(ctor);
-
- static ssize_t aliases_show(struct kmem_cache *s, char *buf)
- {
-- return sprintf(buf, "%d\n", s->refcount - 1);
-+ return sprintf(buf, "%d\n", atomic_read(&s->refcount) - 1);
- }
- SLAB_ATTR_RO(aliases);
-
-@@ -5280,6 +5361,7 @@ static char *create_unique_id(struct kmem_cache *s)
- return name;
- }
-
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- static int sysfs_slab_add(struct kmem_cache *s)
- {
- int err;
-@@ -5342,6 +5424,7 @@ static void sysfs_slab_remove(struct kmem_cache *s)
- kobject_del(&s->kobj);
- kobject_put(&s->kobj);
- }
-+#endif
-
- /*
- * Need to buffer aliases during bootup until sysfs becomes
-@@ -5355,6 +5438,7 @@ struct saved_alias {
-
- static struct saved_alias *alias_list;
-
-+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
- static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
- {
- struct saved_alias *al;
-@@ -5377,6 +5461,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
- alias_list = al;
- return 0;
- }
-+#endif
-
- static int __init slab_sysfs_init(void)
- {
-diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
-index 1b7e22a..3fcd4f3 100644
---- a/mm/sparse-vmemmap.c
-+++ b/mm/sparse-vmemmap.c
-@@ -128,7 +128,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
- void *p = vmemmap_alloc_block(PAGE_SIZE, node);
- if (!p)
- return NULL;
-- pud_populate(&init_mm, pud, p);
-+ pud_populate_kernel(&init_mm, pud, p);
- }
- return pud;
- }
-@@ -140,7 +140,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
- void *p = vmemmap_alloc_block(PAGE_SIZE, node);
- if (!p)
- return NULL;
-- pgd_populate(&init_mm, pgd, p);
-+ pgd_populate_kernel(&init_mm, pgd, p);
- }
- return pgd;
- }
-diff --git a/mm/swap.c b/mm/swap.c
-index 4e7e2ec..0c57830 100644
---- a/mm/swap.c
-+++ b/mm/swap.c
-@@ -30,6 +30,7 @@
- #include <linux/backing-dev.h>
- #include <linux/memcontrol.h>
- #include <linux/gfp.h>
-+#include <linux/hugetlb.h>
-
- #include "internal.h"
-
-@@ -72,6 +73,8 @@ static void __put_compound_page(struct page *page)
-
- __page_cache_release(page);
- dtor = get_compound_page_dtor(page);
-+ if (!PageHuge(page))
-+ BUG_ON(dtor != free_compound_page);
- (*dtor)(page);
- }
-
-diff --git a/mm/swapfile.c b/mm/swapfile.c
-index 71373d0..11fa7d9 100644
---- a/mm/swapfile.c
-+++ b/mm/swapfile.c
-@@ -63,7 +63,7 @@ static DEFINE_MUTEX(swapon_mutex);
-
- static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait);
- /* Activity counter to indicate that a swapon or swapoff has occurred */
--static atomic_t proc_poll_event = ATOMIC_INIT(0);
-+static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0);
-
- static inline unsigned char swap_count(unsigned char ent)
- {
-@@ -1663,7 +1663,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
- }
- filp_close(swap_file, NULL);
- err = 0;
-- atomic_inc(&proc_poll_event);
-+ atomic_inc_unchecked(&proc_poll_event);
- wake_up_interruptible(&proc_poll_wait);
-
- out_dput:
-@@ -1679,8 +1679,8 @@ static unsigned swaps_poll(struct file *file, poll_table *wait)
-
- poll_wait(file, &proc_poll_wait, wait);
-
-- if (seq->poll_event != atomic_read(&proc_poll_event)) {
-- seq->poll_event = atomic_read(&proc_poll_event);
-+ if (seq->poll_event != atomic_read_unchecked(&proc_poll_event)) {
-+ seq->poll_event = atomic_read_unchecked(&proc_poll_event);
- return POLLIN | POLLRDNORM | POLLERR | POLLPRI;
- }
-
-@@ -1778,7 +1778,7 @@ static int swaps_open(struct inode *inode, struct file *file)
- return ret;
-
- seq = file->private_data;
-- seq->poll_event = atomic_read(&proc_poll_event);
-+ seq->poll_event = atomic_read_unchecked(&proc_poll_event);
- return 0;
- }
-
-@@ -2120,7 +2120,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
- (frontswap_map) ? "FS" : "");
-
- mutex_unlock(&swapon_mutex);
-- atomic_inc(&proc_poll_event);
-+ atomic_inc_unchecked(&proc_poll_event);
- wake_up_interruptible(&proc_poll_wait);
-
- if (S_ISREG(inode->i_mode))
-diff --git a/mm/util.c b/mm/util.c
-index 8c7265a..c96d884 100644
---- a/mm/util.c
-+++ b/mm/util.c
-@@ -285,6 +285,12 @@ done:
- void arch_pick_mmap_layout(struct mm_struct *mm)
- {
- mm->mmap_base = TASK_UNMAPPED_BASE;
-+
-+#ifdef CONFIG_PAX_RANDMMAP
-+ if (mm->pax_flags & MF_PAX_RANDMMAP)
-+ mm->mmap_base += mm->delta_mmap;
-+#endif
-+
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- }
-diff --git a/mm/vmalloc.c b/mm/vmalloc.c
-index 2aad499..4006a74 100644
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -39,8 +39,19 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
-
- pte = pte_offset_kernel(pmd, addr);
- do {
-- pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
-- WARN_ON(!pte_none(ptent) && !pte_present(ptent));
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) {
-+ BUG_ON(!pte_exec(*pte));
-+ set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC));
-+ continue;
-+ }
-+#endif
-+
-+ {
-+ pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
-+ WARN_ON(!pte_none(ptent) && !pte_present(ptent));
-+ }
- } while (pte++, addr += PAGE_SIZE, addr != end);
- }
-
-@@ -91,6 +102,7 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
- {
- pte_t *pte;
-+ int ret = -ENOMEM;
-
- /*
- * nr is a running index into the array which helps higher level
-@@ -100,17 +112,30 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
- pte = pte_alloc_kernel(pmd, addr);
- if (!pte)
- return -ENOMEM;
-+
-+ pax_open_kernel();
- do {
- struct page *page = pages[*nr];
-
-- if (WARN_ON(!pte_none(*pte)))
-- return -EBUSY;
-- if (WARN_ON(!page))
-- return -ENOMEM;
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (pgprot_val(prot) & _PAGE_NX)
-+#endif
-+
-+ if (WARN_ON(!pte_none(*pte))) {
-+ ret = -EBUSY;
-+ goto out;
-+ }
-+ if (WARN_ON(!page)) {
-+ ret = -ENOMEM;
-+ goto out;
-+ }
- set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
- (*nr)++;
- } while (pte++, addr += PAGE_SIZE, addr != end);
-- return 0;
-+ ret = 0;
-+out:
-+ pax_close_kernel();
-+ return ret;
- }
-
- static int vmap_pmd_range(pud_t *pud, unsigned long addr,
-@@ -119,7 +144,7 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
- pmd_t *pmd;
- unsigned long next;
-
-- pmd = pmd_alloc(&init_mm, pud, addr);
-+ pmd = pmd_alloc_kernel(&init_mm, pud, addr);
- if (!pmd)
- return -ENOMEM;
- do {
-@@ -136,7 +161,7 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
- pud_t *pud;
- unsigned long next;
-
-- pud = pud_alloc(&init_mm, pgd, addr);
-+ pud = pud_alloc_kernel(&init_mm, pgd, addr);
- if (!pud)
- return -ENOMEM;
- do {
-@@ -191,11 +216,20 @@ int is_vmalloc_or_module_addr(const void *x)
- * and fall back on vmalloc() if that fails. Others
- * just put it in the vmalloc space.
- */
--#if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
-+#ifdef CONFIG_MODULES
-+#ifdef MODULES_VADDR
- unsigned long addr = (unsigned long)x;
- if (addr >= MODULES_VADDR && addr < MODULES_END)
- return 1;
- #endif
-+
-+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
-+ if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END)
-+ return 1;
-+#endif
-+
-+#endif
-+
- return is_vmalloc_addr(x);
- }
-
-@@ -216,8 +250,14 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
-
- if (!pgd_none(*pgd)) {
- pud_t *pud = pud_offset(pgd, addr);
-+#ifdef CONFIG_X86
-+ if (!pud_large(*pud))
-+#endif
- if (!pud_none(*pud)) {
- pmd_t *pmd = pmd_offset(pud, addr);
-+#ifdef CONFIG_X86
-+ if (!pmd_large(*pmd))
-+#endif
- if (!pmd_none(*pmd)) {
- pte_t *ptep, pte;
-
-@@ -329,7 +369,7 @@ static void purge_vmap_area_lazy(void);
- * Allocate a region of KVA of the specified size and alignment, within the
- * vstart and vend.
- */
--static struct vmap_area *alloc_vmap_area(unsigned long size,
-+static __size_overflow(1) struct vmap_area *alloc_vmap_area(unsigned long size,
- unsigned long align,
- unsigned long vstart, unsigned long vend,
- int node, gfp_t gfp_mask)
-@@ -1320,6 +1360,16 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
- struct vm_struct *area;
-
- BUG_ON(in_interrupt());
-+
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
-+ if (flags & VM_KERNEXEC) {
-+ if (start != VMALLOC_START || end != VMALLOC_END)
-+ return NULL;
-+ start = (unsigned long)MODULES_EXEC_VADDR;
-+ end = (unsigned long)MODULES_EXEC_END;
-+ }
-+#endif
-+
- if (flags & VM_IOREMAP) {
- int bit = fls(size);
-
-@@ -1552,6 +1602,11 @@ void *vmap(struct page **pages, unsigned int count,
- if (count > totalram_pages)
- return NULL;
-
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
-+ if (!(pgprot_val(prot) & _PAGE_NX))
-+ flags |= VM_KERNEXEC;
-+#endif
-+
- area = get_vm_area_caller((count << PAGE_SHIFT), flags,
- __builtin_return_address(0));
- if (!area)
-@@ -1653,6 +1708,13 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
- if (!size || (size >> PAGE_SHIFT) > totalram_pages)
- goto fail;
-
-+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
-+ if (!(pgprot_val(prot) & _PAGE_NX))
-+ area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST | VM_KERNEXEC,
-+ VMALLOC_START, VMALLOC_END, node, gfp_mask, caller);
-+ else
-+#endif
-+
- area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST,
- start, end, node, gfp_mask, caller);
- if (!area)
-@@ -1826,10 +1888,9 @@ EXPORT_SYMBOL(vzalloc_node);
- * For tight control over page level allocator and protection flags
- * use __vmalloc() instead.
- */
--
- void *vmalloc_exec(unsigned long size)
- {
-- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
-+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC,
- -1, __builtin_return_address(0));
- }
-
-@@ -2124,6 +2185,8 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
- unsigned long uaddr = vma->vm_start;
- unsigned long usize = vma->vm_end - vma->vm_start;
-
-+ BUG_ON(vma->vm_mirror);
-+
- if ((PAGE_SIZE-1) & (unsigned long)addr)
- return -EINVAL;
-
-diff --git a/mm/vmstat.c b/mm/vmstat.c
-index 1bbbbd9..ff35669 100644
---- a/mm/vmstat.c
-+++ b/mm/vmstat.c
-@@ -78,7 +78,7 @@ void vm_events_fold_cpu(int cpu)
- *
- * vm_stat contains the global counters
- */
--atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
-+atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
- EXPORT_SYMBOL(vm_stat);
-
- #ifdef CONFIG_SMP
-@@ -454,7 +454,7 @@ void refresh_cpu_vm_stats(int cpu)
- v = p->vm_stat_diff[i];
- p->vm_stat_diff[i] = 0;
- local_irq_restore(flags);
-- atomic_long_add(v, &zone->vm_stat[i]);
-+ atomic_long_add_unchecked(v, &zone->vm_stat[i]);
- global_diff[i] += v;
- #ifdef CONFIG_NUMA
- /* 3 seconds idle till flush */
-@@ -492,7 +492,7 @@ void refresh_cpu_vm_stats(int cpu)
-
- for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
- if (global_diff[i])
-- atomic_long_add(global_diff[i], &vm_stat[i]);
-+ atomic_long_add_unchecked(global_diff[i], &vm_stat[i]);
- }
-
- #endif
-@@ -1211,10 +1211,20 @@ static int __init setup_vmstat(void)
- start_cpu_timer(cpu);
- #endif
- #ifdef CONFIG_PROC_FS
-- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
-- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
-- proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
-- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
-+ {
-+ mode_t gr_mode = S_IRUGO;
-+#ifdef CONFIG_GRKERNSEC_PROC_ADD
-+ gr_mode = S_IRUSR;
-+#endif
-+ proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations);
-+ proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops);
-+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
-+ proc_create("vmstat", gr_mode | S_IRGRP, NULL, &proc_vmstat_file_operations);
-+#else
-+ proc_create("vmstat", gr_mode, NULL, &proc_vmstat_file_operations);
-+#endif
-+ proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations);
-+ }
- #endif
- return 0;
- }
-diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
-index 9096bcb..43ed7bb 100644
---- a/net/8021q/vlan.c
-+++ b/net/8021q/vlan.c
-@@ -557,8 +557,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg)
- err = -EPERM;
- if (!capable(CAP_NET_ADMIN))
- break;
-- if ((args.u.name_type >= 0) &&
-- (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) {
-+ if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) {
- struct vlan_net *vn;
-
- vn = net_generic(net, vlan_net_id);
-diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
-index 6449bae..8c1f454 100644
---- a/net/9p/trans_fd.c
-+++ b/net/9p/trans_fd.c
-@@ -425,7 +425,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len)
- oldfs = get_fs();
- set_fs(get_ds());
- /* The cast to a user pointer is valid due to the set_fs() */
-- ret = vfs_write(ts->wr, (__force void __user *)v, len, &ts->wr->f_pos);
-+ ret = vfs_write(ts->wr, (void __force_user *)v, len, &ts->wr->f_pos);
- set_fs(oldfs);
-
- if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
-diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
-index 876fbe8..8bbea9f 100644
---- a/net/atm/atm_misc.c
-+++ b/net/atm/atm_misc.c
-@@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int truesize)
- if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf)
- return 1;
- atm_return(vcc, truesize);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- return 0;
- }
- EXPORT_SYMBOL(atm_charge);
-@@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc, int pdu_size,
- }
- }
- atm_return(vcc, guess);
-- atomic_inc(&vcc->stats->rx_drop);
-+ atomic_inc_unchecked(&vcc->stats->rx_drop);
- return NULL;
- }
- EXPORT_SYMBOL(atm_alloc_charge);
-@@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal);
-
- void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to)
- {
--#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
-+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
- __SONET_ITEMS
- #undef __HANDLE_ITEM
- }
-@@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats);
-
- void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to)
- {
--#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
-+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i)
- __SONET_ITEMS
- #undef __HANDLE_ITEM
- }
-diff --git a/net/atm/common.c b/net/atm/common.c
-index b4b44db..0c0ad93 100644
---- a/net/atm/common.c
-+++ b/net/atm/common.c
-@@ -812,6 +812,7 @@ int vcc_getsockopt(struct socket *sock, int level, int optname,
-
- if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags))
- return -ENOTCONN;
-+ memset(&pvc, 0, sizeof(pvc));
- pvc.sap_family = AF_ATMPVC;
- pvc.sap_addr.itf = vcc->dev->number;
- pvc.sap_addr.vpi = vcc->vpi;
-diff --git a/net/atm/lec.h b/net/atm/lec.h
-index a86aff9..3a0d6f6 100644
---- a/net/atm/lec.h
-+++ b/net/atm/lec.h
-@@ -48,7 +48,7 @@ struct lane2_ops {
- const u8 *tlvs, u32 sizeoftlvs);
- void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr,
- const u8 *tlvs, u32 sizeoftlvs);
--};
-+} __no_const;
-
- /*
- * ATM LAN Emulation supports both LLC & Dix Ethernet EtherType
-diff --git a/net/atm/mpc.h b/net/atm/mpc.h
-index 0919a88..a23d54e 100644
---- a/net/atm/mpc.h
-+++ b/net/atm/mpc.h
-@@ -33,7 +33,7 @@ struct mpoa_client {
- struct mpc_parameters parameters; /* parameters for this client */
-
- const struct net_device_ops *old_ops;
-- struct net_device_ops new_ops;
-+ net_device_ops_no_const new_ops;
- };
-
-
-diff --git a/net/atm/proc.c b/net/atm/proc.c
-index 0d020de..011c7bb 100644
---- a/net/atm/proc.c
-+++ b/net/atm/proc.c
-@@ -45,9 +45,9 @@ static void add_stats(struct seq_file *seq, const char *aal,
- const struct k_atm_aal_stats *stats)
- {
- seq_printf(seq, "%s ( %d %d %d %d %d )", aal,
-- atomic_read(&stats->tx), atomic_read(&stats->tx_err),
-- atomic_read(&stats->rx), atomic_read(&stats->rx_err),
-- atomic_read(&stats->rx_drop));
-+ atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err),
-+ atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err),
-+ atomic_read_unchecked(&stats->rx_drop));
- }
-
- static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev)
-diff --git a/net/atm/pvc.c b/net/atm/pvc.c
-index 3a73491..ae03240 100644
---- a/net/atm/pvc.c
-+++ b/net/atm/pvc.c
-@@ -95,6 +95,7 @@ static int pvc_getname(struct socket *sock, struct sockaddr *sockaddr,
- return -ENOTCONN;
- *sockaddr_len = sizeof(struct sockaddr_atmpvc);
- addr = (struct sockaddr_atmpvc *)sockaddr;
-+ memset(addr, 0, sizeof(*addr));
- addr->sap_family = AF_ATMPVC;
- addr->sap_addr.itf = vcc->dev->number;
- addr->sap_addr.vpi = vcc->vpi;
-diff --git a/net/atm/resources.c b/net/atm/resources.c
-index 23f45ce..c748f1a 100644
---- a/net/atm/resources.c
-+++ b/net/atm/resources.c
-@@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister);
- static void copy_aal_stats(struct k_atm_aal_stats *from,
- struct atm_aal_stats *to)
- {
--#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
-+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
- __AAL_STAT_ITEMS
- #undef __HANDLE_ITEM
- }
-@@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_aal_stats *from,
- static void subtract_aal_stats(struct k_atm_aal_stats *from,
- struct atm_aal_stats *to)
- {
--#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
-+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i)
- __AAL_STAT_ITEMS
- #undef __HANDLE_ITEM
- }
-diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
-index dc53798..dc66333 100644
---- a/net/batman-adv/bat_iv_ogm.c
-+++ b/net/batman-adv/bat_iv_ogm.c
-@@ -63,7 +63,7 @@ static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
-
- /* randomize initial seqno to avoid collision */
- get_random_bytes(&random_seqno, sizeof(random_seqno));
-- atomic_set(&hard_iface->seqno, random_seqno);
-+ atomic_set_unchecked(&hard_iface->seqno, random_seqno);
-
- hard_iface->packet_len = BATMAN_OGM_HLEN;
- hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
-@@ -572,7 +572,7 @@ static void bat_iv_ogm_schedule(struct hard_iface *hard_iface,
-
- /* change sequence number to network order */
- batman_ogm_packet->seqno =
-- htonl((uint32_t)atomic_read(&hard_iface->seqno));
-+ htonl((uint32_t)atomic_read_unchecked(&hard_iface->seqno));
-
- batman_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
- batman_ogm_packet->tt_crc = htons((uint16_t)
-@@ -592,7 +592,7 @@ static void bat_iv_ogm_schedule(struct hard_iface *hard_iface,
- else
- batman_ogm_packet->gw_flags = NO_FLAGS;
-
-- atomic_inc(&hard_iface->seqno);
-+ atomic_inc_unchecked(&hard_iface->seqno);
-
- slide_own_bcast_window(hard_iface);
- bat_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
-@@ -956,7 +956,7 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
- return;
-
- /* could be changed by schedule_own_packet() */
-- if_incoming_seqno = atomic_read(&if_incoming->seqno);
-+ if_incoming_seqno = atomic_read_unchecked(&if_incoming->seqno);
-
- has_directlink_flag = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0);
-
-diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
-index dc334fa..766a01a 100644
---- a/net/batman-adv/hard-interface.c
-+++ b/net/batman-adv/hard-interface.c
-@@ -321,7 +321,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
- hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;
- dev_add_pack(&hard_iface->batman_adv_ptype);
-
-- atomic_set(&hard_iface->frag_seqno, 1);
-+ atomic_set_unchecked(&hard_iface->frag_seqno, 1);
- bat_info(hard_iface->soft_iface, "Adding interface: %s\n",
- hard_iface->net_dev->name);
-
-@@ -444,7 +444,7 @@ static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
- * This can't be called via a bat_priv callback because
- * we have no bat_priv yet.
- */
-- atomic_set(&hard_iface->seqno, 1);
-+ atomic_set_unchecked(&hard_iface->seqno, 1);
- hard_iface->packet_buff = NULL;
-
- return hard_iface;
-diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
-index a0ec0e4..7beb587 100644
---- a/net/batman-adv/soft-interface.c
-+++ b/net/batman-adv/soft-interface.c
-@@ -214,7 +214,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
-
- /* set broadcast sequence number */
- bcast_packet->seqno =
-- htonl(atomic_inc_return(&bat_priv->bcast_seqno));
-+ htonl(atomic_inc_return_unchecked(&bat_priv->bcast_seqno));
-
- add_bcast_packet_to_list(bat_priv, skb, 1);
-
-@@ -390,7 +390,7 @@ struct net_device *softif_create(const char *name)
- atomic_set(&bat_priv->batman_queue_left, BATMAN_QUEUE_LEN);
-
- atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
-- atomic_set(&bat_priv->bcast_seqno, 1);
-+ atomic_set_unchecked(&bat_priv->bcast_seqno, 1);
- atomic_set(&bat_priv->ttvn, 0);
- atomic_set(&bat_priv->tt_local_changes, 0);
- atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
-diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
-index 61308e8..2e142b2 100644
---- a/net/batman-adv/types.h
-+++ b/net/batman-adv/types.h
-@@ -38,8 +38,8 @@ struct hard_iface {
- int16_t if_num;
- char if_status;
- struct net_device *net_dev;
-- atomic_t seqno;
-- atomic_t frag_seqno;
-+ atomic_unchecked_t seqno;
-+ atomic_unchecked_t frag_seqno;
- unsigned char *packet_buff;
- int packet_len;
- struct kobject *hardif_obj;
-@@ -163,7 +163,7 @@ struct bat_priv {
- atomic_t orig_interval; /* uint */
- atomic_t hop_penalty; /* uint */
- atomic_t log_level; /* uint */
-- atomic_t bcast_seqno;
-+ atomic_unchecked_t bcast_seqno;
- atomic_t bcast_queue_left;
- atomic_t batman_queue_left;
- atomic_t ttvn; /* translation table version number */
-diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
-index 74175c2..32f8901 100644
---- a/net/batman-adv/unicast.c
-+++ b/net/batman-adv/unicast.c
-@@ -264,7 +264,7 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- frag1->flags = UNI_FRAG_HEAD | large_tail;
- frag2->flags = large_tail;
-
-- seqno = atomic_add_return(2, &hard_iface->frag_seqno);
-+ seqno = atomic_add_return_unchecked(2, &hard_iface->frag_seqno);
- frag1->seqno = htons(seqno - 1);
- frag2->seqno = htons(seqno);
-
-diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
-index 5914623..bedc768 100644
---- a/net/bluetooth/hci_sock.c
-+++ b/net/bluetooth/hci_sock.c
-@@ -706,6 +706,7 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int *add
- *addr_len = sizeof(*haddr);
- haddr->hci_family = AF_BLUETOOTH;
- haddr->hci_dev = hdev->id;
-+ haddr->hci_channel= 0;
-
- release_sock(sk);
- return 0;
-@@ -1016,6 +1017,7 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname, char
- {
- struct hci_filter *f = &hci_pi(sk)->filter;
-
-+ memset(&uf, 0, sizeof(uf));
- uf.type_mask = f->type_mask;
- uf.opcode = f->opcode;
- uf.event_mask[0] = *((u32 *) f->event_mask + 0);
-diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
-index 4554e80..b778671 100644
---- a/net/bluetooth/l2cap_core.c
-+++ b/net/bluetooth/l2cap_core.c
-@@ -2798,8 +2798,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
- break;
-
- case L2CAP_CONF_RFC:
-- if (olen == sizeof(rfc))
-- memcpy(&rfc, (void *)val, olen);
-+ if (olen != sizeof(rfc))
-+ break;
-+
-+ memcpy(&rfc, (void *)val, olen);
-
- if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
- rfc.mode != chan->mode)
-diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
-index 3bb1611..fcf656b 100644
---- a/net/bluetooth/l2cap_sock.c
-+++ b/net/bluetooth/l2cap_sock.c
-@@ -246,6 +246,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
-
- BT_DBG("sock %p, sk %p", sock, sk);
-
-+ memset(la, 0, sizeof(struct sockaddr_l2));
- addr->sa_family = AF_BLUETOOTH;
- *len = sizeof(struct sockaddr_l2);
-
-diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
-index e8707de..2df6956 100644
---- a/net/bluetooth/rfcomm/sock.c
-+++ b/net/bluetooth/rfcomm/sock.c
-@@ -547,6 +547,7 @@ static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int *
-
- BT_DBG("sock %p, sk %p", sock, sk);
-
-+ memset(sa, 0, sizeof(*sa));
- sa->rc_family = AF_BLUETOOTH;
- sa->rc_channel = rfcomm_pi(sk)->channel;
- if (peer)
-@@ -841,6 +842,7 @@ static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, c
- }
-
- sec.level = rfcomm_pi(sk)->sec_level;
-+ sec.key_size = 0;
-
- len = min_t(unsigned int, len, sizeof(sec));
- if (copy_to_user(optval, (char *) &sec, len))
-diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
-index d1820ff..4f8c8f6 100644
---- a/net/bluetooth/rfcomm/tty.c
-+++ b/net/bluetooth/rfcomm/tty.c
-@@ -314,7 +314,7 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev)
- BUG_ON(test_and_set_bit(RFCOMM_TTY_RELEASED, &dev->flags));
-
- spin_lock_irqsave(&dev->port.lock, flags);
-- if (dev->port.count > 0) {
-+ if (atomic_read(&dev->port.count) > 0) {
- spin_unlock_irqrestore(&dev->port.lock, flags);
- return;
- }
-@@ -461,7 +461,7 @@ static int rfcomm_get_dev_list(void __user *arg)
-
- size = sizeof(*dl) + dev_num * sizeof(*di);
-
-- dl = kmalloc(size, GFP_KERNEL);
-+ dl = kzalloc(size, GFP_KERNEL);
- if (!dl)
- return -ENOMEM;
-
-@@ -669,10 +669,10 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
- return -ENODEV;
-
- BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst),
-- dev->channel, dev->port.count);
-+ dev->channel, atomic_read(&dev->port.count));
-
- spin_lock_irqsave(&dev->port.lock, flags);
-- if (++dev->port.count > 1) {
-+ if (atomic_inc_return(&dev->port.count) > 1) {
- spin_unlock_irqrestore(&dev->port.lock, flags);
- return 0;
- }
-@@ -737,10 +737,10 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
- return;
-
- BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,
-- dev->port.count);
-+ atomic_read(&dev->port.count));
-
- spin_lock_irqsave(&dev->port.lock, flags);
-- if (!--dev->port.count) {
-+ if (!atomic_dec_return(&dev->port.count)) {
- spin_unlock_irqrestore(&dev->port.lock, flags);
- if (dev->tty_dev->parent)
- device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST);
-diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
-index 5fe2ff3..10968b5 100644
---- a/net/bridge/netfilter/ebtables.c
-+++ b/net/bridge/netfilter/ebtables.c
-@@ -1523,7 +1523,7 @@ static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
- tmp.valid_hooks = t->table->valid_hooks;
- }
- mutex_unlock(&ebt_mutex);
-- if (copy_to_user(user, &tmp, *len) != 0){
-+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0){
- BUGPRINT("c2u Didn't work\n");
- ret = -EFAULT;
- break;
-diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c
-index 047cd0e..461fd28 100644
---- a/net/caif/cfctrl.c
-+++ b/net/caif/cfctrl.c
-@@ -10,6 +10,7 @@
- #include <linux/spinlock.h>
- #include <linux/slab.h>
- #include <linux/pkt_sched.h>
-+#include <linux/sched.h>
- #include <net/caif/caif_layer.h>
- #include <net/caif/cfpkt.h>
- #include <net/caif/cfctrl.h>
-@@ -43,8 +44,8 @@ struct cflayer *cfctrl_create(void)
- memset(&dev_info, 0, sizeof(dev_info));
- dev_info.id = 0xff;
- cfsrvl_init(&this->serv, 0, &dev_info, false);
-- atomic_set(&this->req_seq_no, 1);
-- atomic_set(&this->rsp_seq_no, 1);
-+ atomic_set_unchecked(&this->req_seq_no, 1);
-+ atomic_set_unchecked(&this->rsp_seq_no, 1);
- this->serv.layer.receive = cfctrl_recv;
- sprintf(this->serv.layer.name, "ctrl");
- this->serv.layer.ctrlcmd = cfctrl_ctrlcmd;
-@@ -130,8 +131,8 @@ static void cfctrl_insert_req(struct cfctrl *ctrl,
- struct cfctrl_request_info *req)
- {
- spin_lock_bh(&ctrl->info_list_lock);
-- atomic_inc(&ctrl->req_seq_no);
-- req->sequence_no = atomic_read(&ctrl->req_seq_no);
-+ atomic_inc_unchecked(&ctrl->req_seq_no);
-+ req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no);
- list_add_tail(&req->list, &ctrl->list);
- spin_unlock_bh(&ctrl->info_list_lock);
- }
-@@ -149,7 +150,7 @@ static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl,
- if (p != first)
- pr_warn("Requests are not received in order\n");
-
-- atomic_set(&ctrl->rsp_seq_no,
-+ atomic_set_unchecked(&ctrl->rsp_seq_no,
- p->sequence_no);
- list_del(&p->list);
- goto out;
-diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
-index 69771c0..e597733 100644
---- a/net/caif/chnl_net.c
-+++ b/net/caif/chnl_net.c
-@@ -94,6 +94,10 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt)
-
- /* check the version of IP */
- ip_version = skb_header_pointer(skb, 0, 1, &buf);
-+ if (!ip_version) {
-+ kfree_skb(skb);
-+ return -EINVAL;
-+ }
-
- switch (*ip_version >> 4) {
- case 4:
-diff --git a/net/can/gw.c b/net/can/gw.c
-index b41acf2..3affb3a 100644
---- a/net/can/gw.c
-+++ b/net/can/gw.c
-@@ -96,7 +96,7 @@ struct cf_mod {
- struct {
- void (*xor)(struct can_frame *cf, struct cgw_csum_xor *xor);
- void (*crc8)(struct can_frame *cf, struct cgw_csum_crc8 *crc8);
-- } csumfunc;
-+ } __no_const csumfunc;
- };
-
-
-diff --git a/net/compat.c b/net/compat.c
-index 74ed1d7..62f7ea6 100644
---- a/net/compat.c
-+++ b/net/compat.c
-@@ -71,9 +71,9 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
- __get_user(kmsg->msg_controllen, &umsg->msg_controllen) ||
- __get_user(kmsg->msg_flags, &umsg->msg_flags))
- return -EFAULT;
-- kmsg->msg_name = compat_ptr(tmp1);
-- kmsg->msg_iov = compat_ptr(tmp2);
-- kmsg->msg_control = compat_ptr(tmp3);
-+ kmsg->msg_name = (void __force_kernel *)compat_ptr(tmp1);
-+ kmsg->msg_iov = (void __force_kernel *)compat_ptr(tmp2);
-+ kmsg->msg_control = (void __force_kernel *)compat_ptr(tmp3);
- return 0;
- }
-
-@@ -85,7 +85,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
-
- if (kern_msg->msg_namelen) {
- if (mode == VERIFY_READ) {
-- int err = move_addr_to_kernel(kern_msg->msg_name,
-+ int err = move_addr_to_kernel((void __force_user *)kern_msg->msg_name,
- kern_msg->msg_namelen,
- kern_address);
- if (err < 0)
-@@ -96,7 +96,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
- kern_msg->msg_name = NULL;
-
- tot_len = iov_from_user_compat_to_kern(kern_iov,
-- (struct compat_iovec __user *)kern_msg->msg_iov,
-+ (struct compat_iovec __force_user *)kern_msg->msg_iov,
- kern_msg->msg_iovlen);
- if (tot_len >= 0)
- kern_msg->msg_iov = kern_iov;
-@@ -116,20 +116,20 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
-
- #define CMSG_COMPAT_FIRSTHDR(msg) \
- (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \
-- (struct compat_cmsghdr __user *)((msg)->msg_control) : \
-+ (struct compat_cmsghdr __force_user *)((msg)->msg_control) : \
- (struct compat_cmsghdr __user *)NULL)
-
- #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \
- ((ucmlen) >= sizeof(struct compat_cmsghdr) && \
- (ucmlen) <= (unsigned long) \
- ((mhdr)->msg_controllen - \
-- ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
-+ ((char __force_kernel *)(ucmsg) - (char *)(mhdr)->msg_control)))
-
- static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg,
- struct compat_cmsghdr __user *cmsg, int cmsg_len)
- {
- char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len);
-- if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) >
-+ if ((unsigned long)(ptr + 1 - (char __force_user *)msg->msg_control) >
- msg->msg_controllen)
- return NULL;
- return (struct compat_cmsghdr __user *)ptr;
-@@ -219,7 +219,7 @@ Efault:
-
- int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
- {
-- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
-+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
- struct compat_cmsghdr cmhdr;
- struct compat_timeval ctv;
- struct compat_timespec cts[3];
-@@ -275,7 +275,7 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
-
- void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
- {
-- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
-+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
- int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int);
- int fdnum = scm->fp->count;
- struct file **fp = scm->fp->fp;
-@@ -364,7 +364,7 @@ static int do_set_sock_timeout(struct socket *sock, int level,
- return -EFAULT;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-- err = sock_setsockopt(sock, level, optname, (char *)&ktime, sizeof(ktime));
-+ err = sock_setsockopt(sock, level, optname, (char __force_user *)&ktime, sizeof(ktime));
- set_fs(old_fs);
-
- return err;
-@@ -425,7 +425,7 @@ static int do_get_sock_timeout(struct socket *sock, int level, int optname,
- len = sizeof(ktime);
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-- err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len);
-+ err = sock_getsockopt(sock, level, optname, (char __force_user *) &ktime, (int __force_user *)&len);
- set_fs(old_fs);
-
- if (!err) {
-@@ -568,7 +568,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
- case MCAST_JOIN_GROUP:
- case MCAST_LEAVE_GROUP:
- {
-- struct compat_group_req __user *gr32 = (void *)optval;
-+ struct compat_group_req __user *gr32 = (void __user *)optval;
- struct group_req __user *kgr =
- compat_alloc_user_space(sizeof(struct group_req));
- u32 interface;
-@@ -589,7 +589,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
- case MCAST_BLOCK_SOURCE:
- case MCAST_UNBLOCK_SOURCE:
- {
-- struct compat_group_source_req __user *gsr32 = (void *)optval;
-+ struct compat_group_source_req __user *gsr32 = (void __user *)optval;
- struct group_source_req __user *kgsr = compat_alloc_user_space(
- sizeof(struct group_source_req));
- u32 interface;
-@@ -610,7 +610,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
- }
- case MCAST_MSFILTER:
- {
-- struct compat_group_filter __user *gf32 = (void *)optval;
-+ struct compat_group_filter __user *gf32 = (void __user *)optval;
- struct group_filter __user *kgf;
- u32 interface, fmode, numsrc;
-
-@@ -648,7 +648,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname,
- char __user *optval, int __user *optlen,
- int (*getsockopt)(struct sock *, int, int, char __user *, int __user *))
- {
-- struct compat_group_filter __user *gf32 = (void *)optval;
-+ struct compat_group_filter __user *gf32 = (void __user *)optval;
- struct group_filter __user *kgf;
- int __user *koptlen;
- u32 interface, fmode, numsrc;
-diff --git a/net/core/datagram.c b/net/core/datagram.c
-index ae6acf6..d5c8f66 100644
---- a/net/core/datagram.c
-+++ b/net/core/datagram.c
-@@ -290,7 +290,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
- }
-
- kfree_skb(skb);
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- sk_mem_reclaim_partial(sk);
-
- return err;
-diff --git a/net/core/dev.c b/net/core/dev.c
-index a000840..566cee1 100644
---- a/net/core/dev.c
-+++ b/net/core/dev.c
-@@ -1135,9 +1135,13 @@ void dev_load(struct net *net, const char *name)
- if (no_module && capable(CAP_NET_ADMIN))
- no_module = request_module("netdev-%s", name);
- if (no_module && capable(CAP_SYS_MODULE)) {
-+#ifdef CONFIG_GRKERNSEC_MODHARDEN
-+ ___request_module(true, "grsec_modharden_netdev", "%s", name);
-+#else
- if (!request_module("%s", name))
- pr_warn("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n",
- name);
-+#endif
- }
- }
- EXPORT_SYMBOL(dev_load);
-@@ -1602,7 +1606,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
- {
- if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
- if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
-- atomic_long_inc(&dev->rx_dropped);
-+ atomic_long_inc_unchecked(&dev->rx_dropped);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -1612,7 +1616,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
- nf_reset(skb);
-
- if (unlikely(!is_skb_forwardable(dev, skb))) {
-- atomic_long_inc(&dev->rx_dropped);
-+ atomic_long_inc_unchecked(&dev->rx_dropped);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -2041,7 +2045,7 @@ static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
-
- struct dev_gso_cb {
- void (*destructor)(struct sk_buff *skb);
--};
-+} __no_const;
-
- #define DEV_GSO_CB(skb) ((struct dev_gso_cb *)(skb)->cb)
-
-@@ -2876,7 +2880,7 @@ enqueue:
-
- local_irq_restore(flags);
-
-- atomic_long_inc(&skb->dev->rx_dropped);
-+ atomic_long_inc_unchecked(&skb->dev->rx_dropped);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -2948,7 +2952,7 @@ int netif_rx_ni(struct sk_buff *skb)
- }
- EXPORT_SYMBOL(netif_rx_ni);
-
--static void net_tx_action(struct softirq_action *h)
-+static void net_tx_action(void)
- {
- struct softnet_data *sd = &__get_cpu_var(softnet_data);
-
-@@ -3235,7 +3239,7 @@ ncls:
- if (pt_prev) {
- ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
- } else {
-- atomic_long_inc(&skb->dev->rx_dropped);
-+ atomic_long_inc_unchecked(&skb->dev->rx_dropped);
- kfree_skb(skb);
- /* Jamal, now you will not able to escape explaining
- * me how you were going to use this. :-)
-@@ -3800,7 +3804,7 @@ void netif_napi_del(struct napi_struct *napi)
- }
- EXPORT_SYMBOL(netif_napi_del);
-
--static void net_rx_action(struct softirq_action *h)
-+static void net_rx_action(void)
- {
- struct softnet_data *sd = &__get_cpu_var(softnet_data);
- unsigned long time_limit = jiffies + 2;
-@@ -4270,8 +4274,13 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
- else
- seq_printf(seq, "%04x", ntohs(pt->type));
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ seq_printf(seq, " %-8s %p\n",
-+ pt->dev ? pt->dev->name : "", NULL);
-+#else
- seq_printf(seq, " %-8s %pF\n",
- pt->dev ? pt->dev->name : "", pt->func);
-+#endif
- }
-
- return 0;
-@@ -5823,7 +5832,7 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
- } else {
- netdev_stats_to_stats64(storage, &dev->stats);
- }
-- storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
-+ storage->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped);
- return storage;
- }
- EXPORT_SYMBOL(dev_get_stats);
-diff --git a/net/core/flow.c b/net/core/flow.c
-index e318c7e..168b1d0 100644
---- a/net/core/flow.c
-+++ b/net/core/flow.c
-@@ -61,7 +61,7 @@ struct flow_cache {
- struct timer_list rnd_timer;
- };
-
--atomic_t flow_cache_genid = ATOMIC_INIT(0);
-+atomic_unchecked_t flow_cache_genid = ATOMIC_INIT(0);
- EXPORT_SYMBOL(flow_cache_genid);
- static struct flow_cache flow_cache_global;
- static struct kmem_cache *flow_cachep __read_mostly;
-@@ -86,7 +86,7 @@ static void flow_cache_new_hashrnd(unsigned long arg)
-
- static int flow_entry_valid(struct flow_cache_entry *fle)
- {
-- if (atomic_read(&flow_cache_genid) != fle->genid)
-+ if (atomic_read_unchecked(&flow_cache_genid) != fle->genid)
- return 0;
- if (fle->object && !fle->object->ops->check(fle->object))
- return 0;
-@@ -259,7 +259,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
- hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]);
- fcp->hash_count++;
- }
-- } else if (likely(fle->genid == atomic_read(&flow_cache_genid))) {
-+ } else if (likely(fle->genid == atomic_read_unchecked(&flow_cache_genid))) {
- flo = fle->object;
- if (!flo)
- goto ret_object;
-@@ -280,7 +280,7 @@ nocache:
- }
- flo = resolver(net, key, family, dir, flo, ctx);
- if (fle) {
-- fle->genid = atomic_read(&flow_cache_genid);
-+ fle->genid = atomic_read_unchecked(&flow_cache_genid);
- if (!IS_ERR(flo))
- fle->object = flo;
- else
-diff --git a/net/core/iovec.c b/net/core/iovec.c
-index 7e7aeb0..2a998cb 100644
---- a/net/core/iovec.c
-+++ b/net/core/iovec.c
-@@ -42,7 +42,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
- if (m->msg_namelen) {
- if (mode == VERIFY_READ) {
- void __user *namep;
-- namep = (void __user __force *) m->msg_name;
-+ namep = (void __force_user *) m->msg_name;
- err = move_addr_to_kernel(namep, m->msg_namelen,
- address);
- if (err < 0)
-@@ -54,7 +54,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
- }
-
- size = m->msg_iovlen * sizeof(struct iovec);
-- if (copy_from_user(iov, (void __user __force *) m->msg_iov, size))
-+ if (copy_from_user(iov, (void __force_user *) m->msg_iov, size))
- return -EFAULT;
-
- m->msg_iov = iov;
-diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
-index 6c50ac0..6b4c038 100644
---- a/net/core/rtnetlink.c
-+++ b/net/core/rtnetlink.c
-@@ -58,7 +58,7 @@ struct rtnl_link {
- rtnl_doit_func doit;
- rtnl_dumpit_func dumpit;
- rtnl_calcit_func calcit;
--};
-+} __no_const;
-
- static DEFINE_MUTEX(rtnl_mutex);
-
-diff --git a/net/core/scm.c b/net/core/scm.c
-index 611c5ef..88f6d6d 100644
---- a/net/core/scm.c
-+++ b/net/core/scm.c
-@@ -219,7 +219,7 @@ EXPORT_SYMBOL(__scm_send);
- int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
- {
- struct cmsghdr __user *cm
-- = (__force struct cmsghdr __user *)msg->msg_control;
-+ = (struct cmsghdr __force_user *)msg->msg_control;
- struct cmsghdr cmhdr;
- int cmlen = CMSG_LEN(len);
- int err;
-@@ -242,7 +242,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
- err = -EFAULT;
- if (copy_to_user(cm, &cmhdr, sizeof cmhdr))
- goto out;
-- if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr)))
-+ if (copy_to_user((void __force_user *)CMSG_DATA((void __force_kernel *)cm), data, cmlen - sizeof(struct cmsghdr)))
- goto out;
- cmlen = CMSG_SPACE(len);
- if (msg->msg_controllen < cmlen)
-@@ -258,7 +258,7 @@ EXPORT_SYMBOL(put_cmsg);
- void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
- {
- struct cmsghdr __user *cm
-- = (__force struct cmsghdr __user*)msg->msg_control;
-+ = (struct cmsghdr __force_user *)msg->msg_control;
-
- int fdmax = 0;
- int fdnum = scm->fp->count;
-@@ -278,7 +278,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
- if (fdnum < fdmax)
- fdmax = fdnum;
-
-- for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax;
-+ for (i=0, cmfptr=(int __force_user *)CMSG_DATA((void __force_kernel *)cm); i<fdmax;
- i++, cmfptr++)
- {
- int new_fd;
-diff --git a/net/core/sock.c b/net/core/sock.c
-index 9e5b71f..66dec30 100644
---- a/net/core/sock.c
-+++ b/net/core/sock.c
-@@ -344,7 +344,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
- struct sk_buff_head *list = &sk->sk_receive_queue;
-
- if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- trace_sock_rcvqueue_full(sk, skb);
- return -ENOMEM;
- }
-@@ -354,7 +354,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
- return err;
-
- if (!sk_rmem_schedule(sk, skb->truesize)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- return -ENOBUFS;
- }
-
-@@ -374,7 +374,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
- skb_dst_force(skb);
-
- spin_lock_irqsave(&list->lock, flags);
-- skb->dropcount = atomic_read(&sk->sk_drops);
-+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
- __skb_queue_tail(list, skb);
- spin_unlock_irqrestore(&list->lock, flags);
-
-@@ -394,7 +394,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
- skb->dev = NULL;
-
- if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- goto discard_and_relse;
- }
- if (nested)
-@@ -412,7 +412,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
- mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
- } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
- bh_unlock_sock(sk);
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- goto discard_and_relse;
- }
-
-@@ -976,7 +976,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
- if (len > sizeof(peercred))
- len = sizeof(peercred);
- cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred);
-- if (copy_to_user(optval, &peercred, len))
-+ if (len > sizeof(peercred) || copy_to_user(optval, &peercred, len))
- return -EFAULT;
- goto lenout;
- }
-@@ -989,7 +989,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
- return -ENOTCONN;
- if (lv < len)
- return -EINVAL;
-- if (copy_to_user(optval, address, len))
-+ if (len > sizeof(address) || copy_to_user(optval, address, len))
- return -EFAULT;
- goto lenout;
- }
-@@ -1035,7 +1035,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
-
- if (len > lv)
- len = lv;
-- if (copy_to_user(optval, &v, len))
-+ if (len > sizeof(v) || copy_to_user(optval, &v, len))
- return -EFAULT;
- lenout:
- if (put_user(len, optlen))
-@@ -2124,7 +2124,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
- */
- smp_wmb();
- atomic_set(&sk->sk_refcnt, 1);
-- atomic_set(&sk->sk_drops, 0);
-+ atomic_set_unchecked(&sk->sk_drops, 0);
- }
- EXPORT_SYMBOL(sock_init_data);
-
-diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
-index 5fd1467..8b70900 100644
---- a/net/core/sock_diag.c
-+++ b/net/core/sock_diag.c
-@@ -16,20 +16,27 @@ static DEFINE_MUTEX(sock_diag_table_mutex);
-
- int sock_diag_check_cookie(void *sk, __u32 *cookie)
- {
-+#ifndef CONFIG_GRKERNSEC_HIDESYM
- if ((cookie[0] != INET_DIAG_NOCOOKIE ||
- cookie[1] != INET_DIAG_NOCOOKIE) &&
- ((u32)(unsigned long)sk != cookie[0] ||
- (u32)((((unsigned long)sk) >> 31) >> 1) != cookie[1]))
- return -ESTALE;
- else
-+#endif
- return 0;
- }
- EXPORT_SYMBOL_GPL(sock_diag_check_cookie);
-
- void sock_diag_save_cookie(void *sk, __u32 *cookie)
- {
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ cookie[0] = 0;
-+ cookie[1] = 0;
-+#else
- cookie[0] = (u32)(unsigned long)sk;
- cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
-+#endif
- }
- EXPORT_SYMBOL_GPL(sock_diag_save_cookie);
-
-diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
-index 75c3582..fb85d37 100644
---- a/net/dccp/ccid.h
-+++ b/net/dccp/ccid.h
-@@ -246,7 +246,7 @@ static inline int ccid_hc_rx_getsockopt(struct ccid *ccid, struct sock *sk,
- u32 __user *optval, int __user *optlen)
- {
- int rc = -ENOPROTOOPT;
-- if (ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
-+ if (ccid != NULL && ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
- rc = ccid->ccid_ops->ccid_hc_rx_getsockopt(sk, optname, len,
- optval, optlen);
- return rc;
-@@ -257,7 +257,7 @@ static inline int ccid_hc_tx_getsockopt(struct ccid *ccid, struct sock *sk,
- u32 __user *optval, int __user *optlen)
- {
- int rc = -ENOPROTOOPT;
-- if (ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
-+ if (ccid != NULL && ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
- rc = ccid->ccid_ops->ccid_hc_tx_getsockopt(sk, optname, len,
- optval, optlen);
- return rc;
-diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
-index 8c67bed..ce0d140 100644
---- a/net/dccp/ccids/ccid3.c
-+++ b/net/dccp/ccids/ccid3.c
-@@ -531,6 +531,7 @@ static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
- case DCCP_SOCKOPT_CCID_TX_INFO:
- if (len < sizeof(tfrc))
- return -EINVAL;
-+ memset(&tfrc, 0, sizeof(tfrc));
- tfrc.tfrctx_x = hc->tx_x;
- tfrc.tfrctx_x_recv = hc->tx_x_recv;
- tfrc.tfrctx_x_calc = hc->tx_x_calc;
-diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
-index a55eecc..dd8428c 100644
---- a/net/decnet/sysctl_net_decnet.c
-+++ b/net/decnet/sysctl_net_decnet.c
-@@ -174,7 +174,7 @@ static int dn_node_address_handler(ctl_table *table, int write,
-
- if (len > *lenp) len = *lenp;
-
-- if (copy_to_user(buffer, addr, len))
-+ if (len > sizeof addr || copy_to_user(buffer, addr, len))
- return -EFAULT;
-
- *lenp = len;
-@@ -237,7 +237,7 @@ static int dn_def_dev_handler(ctl_table *table, int write,
-
- if (len > *lenp) len = *lenp;
-
-- if (copy_to_user(buffer, devname, len))
-+ if (len > sizeof devname || copy_to_user(buffer, devname, len))
- return -EFAULT;
-
- *lenp = len;
-diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
-index 3854411..2201a94 100644
---- a/net/ipv4/fib_frontend.c
-+++ b/net/ipv4/fib_frontend.c
-@@ -969,12 +969,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
- fib_sync_up(dev);
- #endif
-- atomic_inc(&net->ipv4.dev_addr_genid);
-+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
- rt_cache_flush(dev_net(dev), -1);
- break;
- case NETDEV_DOWN:
- fib_del_ifaddr(ifa, NULL);
-- atomic_inc(&net->ipv4.dev_addr_genid);
-+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
- if (ifa->ifa_dev->ifa_list == NULL) {
- /* Last address was deleted from this interface.
- * Disable IP.
-@@ -1010,7 +1010,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
- fib_sync_up(dev);
- #endif
-- atomic_inc(&net->ipv4.dev_addr_genid);
-+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
- rt_cache_flush(dev_net(dev), -1);
- break;
- case NETDEV_DOWN:
-diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
-index e5b7182..570a90e 100644
---- a/net/ipv4/fib_semantics.c
-+++ b/net/ipv4/fib_semantics.c
-@@ -698,7 +698,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
- nh->nh_saddr = inet_select_addr(nh->nh_dev,
- nh->nh_gw,
- nh->nh_parent->fib_scope);
-- nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
-+ nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid);
-
- return nh->nh_saddr;
- }
-diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
-index 7880af9..70f92a3 100644
---- a/net/ipv4/inet_hashtables.c
-+++ b/net/ipv4/inet_hashtables.c
-@@ -18,12 +18,15 @@
- #include <linux/sched.h>
- #include <linux/slab.h>
- #include <linux/wait.h>
-+#include <linux/security.h>
-
- #include <net/inet_connection_sock.h>
- #include <net/inet_hashtables.h>
- #include <net/secure_seq.h>
- #include <net/ip.h>
-
-+extern void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet);
-+
- /*
- * Allocate and initialize a new local port bind bucket.
- * The bindhash mutex for snum's hash chain must be held here.
-@@ -530,6 +533,8 @@ ok:
- twrefcnt += inet_twsk_bind_unhash(tw, hinfo);
- spin_unlock(&head->lock);
-
-+ gr_update_task_in_ip_table(current, inet_sk(sk));
-+
- if (tw) {
- inet_twsk_deschedule(tw, death_row);
- while (twrefcnt) {
-diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
-index dfba343..c827d50 100644
---- a/net/ipv4/inetpeer.c
-+++ b/net/ipv4/inetpeer.c
-@@ -487,8 +487,8 @@ relookup:
- if (p) {
- p->daddr = *daddr;
- atomic_set(&p->refcnt, 1);
-- atomic_set(&p->rid, 0);
-- atomic_set(&p->ip_id_count,
-+ atomic_set_unchecked(&p->rid, 0);
-+ atomic_set_unchecked(&p->ip_id_count,
- (daddr->family == AF_INET) ?
- secure_ip_id(daddr->addr.a4) :
- secure_ipv6_id(daddr->addr.a6));
-diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
-index 9dbd3dd..0c59fb2 100644
---- a/net/ipv4/ip_fragment.c
-+++ b/net/ipv4/ip_fragment.c
-@@ -318,7 +318,7 @@ static inline int ip_frag_too_far(struct ipq *qp)
- return 0;
-
- start = qp->rid;
-- end = atomic_inc_return(&peer->rid);
-+ end = atomic_inc_return_unchecked(&peer->rid);
- qp->rid = end;
-
- rc = qp->q.fragments && (end - start) > max;
-diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
-index 0d11f23..2bb3f64 100644
---- a/net/ipv4/ip_sockglue.c
-+++ b/net/ipv4/ip_sockglue.c
-@@ -1142,7 +1142,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
- len = min_t(unsigned int, len, opt->optlen);
- if (put_user(len, optlen))
- return -EFAULT;
-- if (copy_to_user(optval, opt->__data, len))
-+ if ((len > (sizeof(optbuf) - sizeof(struct ip_options))) ||
-+ copy_to_user(optval, opt->__data, len))
- return -EFAULT;
- return 0;
- }
-@@ -1273,7 +1274,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
- if (sk->sk_type != SOCK_STREAM)
- return -ENOPROTOOPT;
-
-- msg.msg_control = optval;
-+ msg.msg_control = (void __force_kernel *)optval;
- msg.msg_controllen = len;
- msg.msg_flags = flags;
-
-diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
-index 67e8a6b..386764d 100644
---- a/net/ipv4/ipconfig.c
-+++ b/net/ipv4/ipconfig.c
-@@ -321,7 +321,7 @@ static int __init ic_devinet_ioctl(unsigned int cmd, struct ifreq *arg)
-
- mm_segment_t oldfs = get_fs();
- set_fs(get_ds());
-- res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
-+ res = devinet_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
- set_fs(oldfs);
- return res;
- }
-@@ -332,7 +332,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg)
-
- mm_segment_t oldfs = get_fs();
- set_fs(get_ds());
-- res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
-+ res = dev_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
- set_fs(oldfs);
- return res;
- }
-@@ -343,7 +343,7 @@ static int __init ic_route_ioctl(unsigned int cmd, struct rtentry *arg)
-
- mm_segment_t oldfs = get_fs();
- set_fs(get_ds());
-- res = ip_rt_ioctl(&init_net, cmd, (void __user *) arg);
-+ res = ip_rt_ioctl(&init_net, cmd, (void __force_user *) arg);
- set_fs(oldfs);
- return res;
- }
-diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
-index 2c00e8b..45b3bdd 100644
---- a/net/ipv4/ping.c
-+++ b/net/ipv4/ping.c
-@@ -845,7 +845,7 @@ static void ping_format_sock(struct sock *sp, struct seq_file *f,
- sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
- atomic_read(&sp->sk_refcnt), sp,
-- atomic_read(&sp->sk_drops), len);
-+ atomic_read_unchecked(&sp->sk_drops), len);
- }
-
- static int ping_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
-index 4032b81..625143c 100644
---- a/net/ipv4/raw.c
-+++ b/net/ipv4/raw.c
-@@ -304,7 +304,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
- int raw_rcv(struct sock *sk, struct sk_buff *skb)
- {
- if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -740,16 +740,20 @@ static int raw_init(struct sock *sk)
-
- static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen)
- {
-+ struct icmp_filter filter;
-+
- if (optlen > sizeof(struct icmp_filter))
- optlen = sizeof(struct icmp_filter);
-- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen))
-+ if (copy_from_user(&filter, optval, optlen))
- return -EFAULT;
-+ raw_sk(sk)->filter = filter;
- return 0;
- }
-
- static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen)
- {
- int len, ret = -EFAULT;
-+ struct icmp_filter filter;
-
- if (get_user(len, optlen))
- goto out;
-@@ -759,8 +763,8 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o
- if (len > sizeof(struct icmp_filter))
- len = sizeof(struct icmp_filter);
- ret = -EFAULT;
-- if (put_user(len, optlen) ||
-- copy_to_user(optval, &raw_sk(sk)->filter, len))
-+ filter = raw_sk(sk)->filter;
-+ if (put_user(len, optlen) || len > sizeof filter || copy_to_user(optval, &filter, len))
- goto out;
- ret = 0;
- out: return ret;
-@@ -988,7 +992,13 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
-+ atomic_read(&sp->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sp,
-+#endif
-+ atomic_read_unchecked(&sp->sk_drops));
- }
-
- static int raw_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/ipv4/route.c b/net/ipv4/route.c
-index 98b30d0..cfa3cf7 100644
---- a/net/ipv4/route.c
-+++ b/net/ipv4/route.c
-@@ -313,7 +313,7 @@ static inline unsigned int rt_hash(__be32 daddr, __be32 saddr, int idx,
-
- static inline int rt_genid(struct net *net)
- {
-- return atomic_read(&net->ipv4.rt_genid);
-+ return atomic_read_unchecked(&net->ipv4.rt_genid);
- }
-
- #ifdef CONFIG_PROC_FS
-@@ -937,7 +937,7 @@ static void rt_cache_invalidate(struct net *net)
- unsigned char shuffle;
-
- get_random_bytes(&shuffle, sizeof(shuffle));
-- atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
-+ atomic_add_unchecked(shuffle + 1U, &net->ipv4.rt_genid);
- inetpeer_invalidate_tree(AF_INET);
- }
-
-@@ -3011,7 +3011,7 @@ static int rt_fill_info(struct net *net,
- error = rt->dst.error;
- if (peer) {
- inet_peer_refcheck(rt->peer);
-- id = atomic_read(&peer->ip_id_count) & 0xffff;
-+ id = atomic_read_unchecked(&peer->ip_id_count) & 0xffff;
- if (peer->tcp_ts_stamp) {
- ts = peer->tcp_ts;
- tsage = get_seconds() - peer->tcp_ts_stamp;
-diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
-index c8d28c4..e40f75a 100644
---- a/net/ipv4/tcp_ipv4.c
-+++ b/net/ipv4/tcp_ipv4.c
-@@ -90,6 +90,10 @@ int sysctl_tcp_low_latency __read_mostly;
- EXPORT_SYMBOL(sysctl_tcp_low_latency);
-
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_enable_blackhole;
-+#endif
-+
- #ifdef CONFIG_TCP_MD5SIG
- static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
- __be32 daddr, __be32 saddr, const struct tcphdr *th);
-@@ -1656,6 +1660,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
- return 0;
-
- reset:
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole)
-+#endif
- tcp_v4_send_reset(rsk, skb);
- discard:
- kfree_skb(skb);
-@@ -1718,12 +1725,19 @@ int tcp_v4_rcv(struct sk_buff *skb)
- TCP_SKB_CB(skb)->sacked = 0;
-
- sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
-- if (!sk)
-+ if (!sk) {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ ret = 1;
-+#endif
- goto no_tcp_socket;
--
-+ }
- process:
-- if (sk->sk_state == TCP_TIME_WAIT)
-+ if (sk->sk_state == TCP_TIME_WAIT) {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ ret = 2;
-+#endif
- goto do_time_wait;
-+ }
-
- if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
- NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
-@@ -1774,6 +1788,10 @@ no_tcp_socket:
- bad_packet:
- TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
- } else {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole || (ret == 1 &&
-+ (skb->dev->flags & IFF_LOOPBACK)))
-+#endif
- tcp_v4_send_reset(NULL, skb);
- }
-
-@@ -2386,7 +2404,11 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
- 0, /* non standard timer */
- 0, /* open_requests have no inode */
- atomic_read(&sk->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
- req,
-+#endif
- len);
- }
-
-@@ -2436,7 +2458,12 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
- sock_i_uid(sk),
- icsk->icsk_probes_out,
- sock_i_ino(sk),
-- atomic_read(&sk->sk_refcnt), sk,
-+ atomic_read(&sk->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sk,
-+#endif
- jiffies_to_clock_t(icsk->icsk_rto),
- jiffies_to_clock_t(icsk->icsk_ack.ato),
- (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
-@@ -2464,7 +2491,13 @@ static void get_timewait4_sock(const struct inet_timewait_sock *tw,
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n",
- i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
- 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
-- atomic_read(&tw->tw_refcnt), tw, len);
-+ atomic_read(&tw->tw_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ tw,
-+#endif
-+ len);
- }
-
- #define TMPSZ 150
-diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
-index b85d9fe..4b0eed9 100644
---- a/net/ipv4/tcp_minisocks.c
-+++ b/net/ipv4/tcp_minisocks.c
-@@ -27,6 +27,10 @@
- #include <net/inet_common.h>
- #include <net/xfrm.h>
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_enable_blackhole;
-+#endif
-+
- int sysctl_tcp_syncookies __read_mostly = 1;
- EXPORT_SYMBOL(sysctl_tcp_syncookies);
-
-@@ -754,6 +758,10 @@ listen_overflow:
-
- embryonic_reset:
- NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_EMBRYONICRSTS);
-+
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole)
-+#endif
- if (!(flg & TCP_FLAG_RST))
- req->rsk_ops->send_reset(sk, skb);
-
-diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
-index 4526fe6..1a34e43 100644
---- a/net/ipv4/tcp_probe.c
-+++ b/net/ipv4/tcp_probe.c
-@@ -204,7 +204,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
- if (cnt + width >= len)
- break;
-
-- if (copy_to_user(buf + cnt, tbuf, width))
-+ if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width))
- return -EFAULT;
- cnt += width;
- }
-diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
-index e911e6c..d0a9356 100644
---- a/net/ipv4/tcp_timer.c
-+++ b/net/ipv4/tcp_timer.c
-@@ -22,6 +22,10 @@
- #include <linux/gfp.h>
- #include <net/tcp.h>
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_lastack_retries;
-+#endif
-+
- int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES;
- int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES;
- int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME;
-@@ -196,6 +200,13 @@ static int tcp_write_timeout(struct sock *sk)
- }
- }
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if ((sk->sk_state == TCP_LAST_ACK) &&
-+ (grsec_lastack_retries > 0) &&
-+ (grsec_lastack_retries < retry_until))
-+ retry_until = grsec_lastack_retries;
-+#endif
-+
- if (retransmits_timed_out(sk, retry_until,
- syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) {
- /* Has it gone just too far? */
-diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
-index eaca736..60488ae 100644
---- a/net/ipv4/udp.c
-+++ b/net/ipv4/udp.c
-@@ -87,6 +87,7 @@
- #include <linux/types.h>
- #include <linux/fcntl.h>
- #include <linux/module.h>
-+#include <linux/security.h>
- #include <linux/socket.h>
- #include <linux/sockios.h>
- #include <linux/igmp.h>
-@@ -110,6 +111,10 @@
- #include <linux/static_key.h>
- #include "udp_impl.h"
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_enable_blackhole;
-+#endif
-+
- struct udp_table udp_table __read_mostly;
- EXPORT_SYMBOL(udp_table);
-
-@@ -568,6 +573,9 @@ found:
- return s;
- }
-
-+extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb);
-+extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr);
-+
- /*
- * This routine is called by the ICMP module when it gets some
- * sort of error condition. If err < 0 then the socket should
-@@ -859,9 +867,18 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
- dport = usin->sin_port;
- if (dport == 0)
- return -EINVAL;
-+
-+ err = gr_search_udp_sendmsg(sk, usin);
-+ if (err)
-+ return err;
- } else {
- if (sk->sk_state != TCP_ESTABLISHED)
- return -EDESTADDRREQ;
-+
-+ err = gr_search_udp_sendmsg(sk, NULL);
-+ if (err)
-+ return err;
-+
- daddr = inet->inet_daddr;
- dport = inet->inet_dport;
- /* Open fast path for connected socket.
-@@ -1103,7 +1120,7 @@ static unsigned int first_packet_length(struct sock *sk)
- udp_lib_checksum_complete(skb)) {
- UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
- IS_UDPLITE(sk));
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- __skb_unlink(skb, rcvq);
- __skb_queue_tail(&list_kill, skb);
- }
-@@ -1189,6 +1206,10 @@ try_again:
- if (!skb)
- goto out;
-
-+ err = gr_search_udp_recvmsg(sk, skb);
-+ if (err)
-+ goto out_free;
-+
- ulen = skb->len - sizeof(struct udphdr);
- copied = len;
- if (copied > ulen)
-@@ -1498,7 +1519,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
-
- drop:
- UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return -1;
- }
-@@ -1517,7 +1538,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
- skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
-
- if (!skb1) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
- IS_UDPLITE(sk));
- UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
-@@ -1686,6 +1707,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
- goto csum_error;
-
- UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
-+#endif
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
-
- /*
-@@ -2104,8 +2128,13 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-- atomic_read(&sp->sk_refcnt), sp,
-- atomic_read(&sp->sk_drops), len);
-+ atomic_read(&sp->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sp,
-+#endif
-+ atomic_read_unchecked(&sp->sk_drops), len);
- }
-
- int udp4_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
-index 8f6411c..5767579 100644
---- a/net/ipv6/addrconf.c
-+++ b/net/ipv6/addrconf.c
-@@ -2145,7 +2145,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
- p.iph.ihl = 5;
- p.iph.protocol = IPPROTO_IPV6;
- p.iph.ttl = 64;
-- ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
-+ ifr.ifr_ifru.ifru_data = (void __force_user *)&p;
-
- if (ops->ndo_do_ioctl) {
- mm_segment_t oldfs = get_fs();
-diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
-index db1521f..ebb3314 100644
---- a/net/ipv6/esp6.c
-+++ b/net/ipv6/esp6.c
-@@ -166,8 +166,6 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
- struct esp_data *esp = x->data;
-
- /* skb is pure payload to encrypt */
-- err = -ENOMEM;
--
- aead = esp->aead;
- alen = crypto_aead_authsize(aead);
-
-@@ -202,8 +200,10 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
- }
-
- tmp = esp_alloc_tmp(aead, nfrags + sglists, seqhilen);
-- if (!tmp)
-+ if (!tmp) {
-+ err = -ENOMEM;
- goto error;
-+ }
-
- seqhi = esp_tmp_seqhi(tmp);
- iv = esp_tmp_iv(aead, tmp, seqhilen);
-diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
-index e6cee52..cf47476 100644
---- a/net/ipv6/inet6_connection_sock.c
-+++ b/net/ipv6/inet6_connection_sock.c
-@@ -178,7 +178,7 @@ void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst,
- #ifdef CONFIG_XFRM
- {
- struct rt6_info *rt = (struct rt6_info *)dst;
-- rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid);
-+ rt->rt6i_flow_cache_genid = atomic_read_unchecked(&flow_cache_genid);
- }
- #endif
- }
-@@ -193,7 +193,7 @@ struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
- #ifdef CONFIG_XFRM
- if (dst) {
- struct rt6_info *rt = (struct rt6_info *)dst;
-- if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
-+ if (rt->rt6i_flow_cache_genid != atomic_read_unchecked(&flow_cache_genid)) {
- __sk_dst_reset(sk);
- dst = NULL;
- }
-diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
-index ba6d13d..6899122 100644
---- a/net/ipv6/ipv6_sockglue.c
-+++ b/net/ipv6/ipv6_sockglue.c
-@@ -989,7 +989,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
- if (sk->sk_type != SOCK_STREAM)
- return -ENOPROTOOPT;
-
-- msg.msg_control = optval;
-+ msg.msg_control = (void __force_kernel *)optval;
- msg.msg_controllen = len;
- msg.msg_flags = flags;
-
-diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
-index 93d6983..8e54c4d 100644
---- a/net/ipv6/raw.c
-+++ b/net/ipv6/raw.c
-@@ -377,7 +377,7 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
- {
- if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&
- skb_checksum_complete(skb)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -405,7 +405,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
- struct raw6_sock *rp = raw6_sk(sk);
-
- if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -429,7 +429,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
-
- if (inet->hdrincl) {
- if (skb_checksum_complete(skb)) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return NET_RX_DROP;
- }
-@@ -602,7 +602,7 @@ out:
- return err;
- }
-
--static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
-+static int rawv6_send_hdrinc(struct sock *sk, void *from, unsigned int length,
- struct flowi6 *fl6, struct dst_entry **dstp,
- unsigned int flags)
- {
-@@ -914,12 +914,15 @@ do_confirm:
- static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
- {
-+ struct icmp6_filter filter;
-+
- switch (optname) {
- case ICMPV6_FILTER:
- if (optlen > sizeof(struct icmp6_filter))
- optlen = sizeof(struct icmp6_filter);
-- if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
-+ if (copy_from_user(&filter, optval, optlen))
- return -EFAULT;
-+ raw6_sk(sk)->filter = filter;
- return 0;
- default:
- return -ENOPROTOOPT;
-@@ -932,6 +935,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
- {
- int len;
-+ struct icmp6_filter filter;
-
- switch (optname) {
- case ICMPV6_FILTER:
-@@ -943,7 +947,8 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
- len = sizeof(struct icmp6_filter);
- if (put_user(len, optlen))
- return -EFAULT;
-- if (copy_to_user(optval, &raw6_sk(sk)->filter, len))
-+ filter = raw6_sk(sk)->filter;
-+ if (len > sizeof filter || copy_to_user(optval, &filter, len))
- return -EFAULT;
- return 0;
- default:
-@@ -1250,7 +1255,13 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
- 0, 0L, 0,
- sock_i_uid(sp), 0,
- sock_i_ino(sp),
-- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
-+ atomic_read(&sp->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sp,
-+#endif
-+ atomic_read_unchecked(&sp->sk_drops));
- }
-
- static int raw6_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
-index 9df64a5..39875da 100644
---- a/net/ipv6/tcp_ipv6.c
-+++ b/net/ipv6/tcp_ipv6.c
-@@ -94,6 +94,10 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
- }
- #endif
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_enable_blackhole;
-+#endif
-+
- static void tcp_v6_hash(struct sock *sk)
- {
- if (sk->sk_state != TCP_CLOSE) {
-@@ -1544,6 +1548,9 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
- return 0;
-
- reset:
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole)
-+#endif
- tcp_v6_send_reset(sk, skb);
- discard:
- if (opt_skb)
-@@ -1625,12 +1632,20 @@ static int tcp_v6_rcv(struct sk_buff *skb)
- TCP_SKB_CB(skb)->sacked = 0;
-
- sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
-- if (!sk)
-+ if (!sk) {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ ret = 1;
-+#endif
- goto no_tcp_socket;
-+ }
-
- process:
-- if (sk->sk_state == TCP_TIME_WAIT)
-+ if (sk->sk_state == TCP_TIME_WAIT) {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ ret = 2;
-+#endif
- goto do_time_wait;
-+ }
-
- if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) {
- NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
-@@ -1679,6 +1694,10 @@ no_tcp_socket:
- bad_packet:
- TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
- } else {
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole || (ret == 1 &&
-+ (skb->dev->flags & IFF_LOOPBACK)))
-+#endif
- tcp_v6_send_reset(NULL, skb);
- }
-
-@@ -1885,7 +1904,13 @@ static void get_openreq6(struct seq_file *seq,
- uid,
- 0, /* non standard timer */
- 0, /* open_requests have no inode */
-- 0, req);
-+ 0,
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL
-+#else
-+ req
-+#endif
-+ );
- }
-
- static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
-@@ -1935,7 +1960,12 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
- sock_i_uid(sp),
- icsk->icsk_probes_out,
- sock_i_ino(sp),
-- atomic_read(&sp->sk_refcnt), sp,
-+ atomic_read(&sp->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sp,
-+#endif
- jiffies_to_clock_t(icsk->icsk_rto),
- jiffies_to_clock_t(icsk->icsk_ack.ato),
- (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong,
-@@ -1970,7 +2000,13 @@ static void get_timewait6_sock(struct seq_file *seq,
- dest->s6_addr32[2], dest->s6_addr32[3], destp,
- tw->tw_substate, 0, 0,
- 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
-- atomic_read(&tw->tw_refcnt), tw);
-+ atomic_read(&tw->tw_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL
-+#else
-+ tw
-+#endif
-+ );
- }
-
- static int tcp6_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
-index f05099f..ea613f0 100644
---- a/net/ipv6/udp.c
-+++ b/net/ipv6/udp.c
-@@ -50,6 +50,10 @@
- #include <linux/seq_file.h>
- #include "udp_impl.h"
-
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+extern int grsec_enable_blackhole;
-+#endif
-+
- int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
- {
- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
-@@ -615,7 +619,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
- return rc;
- drop:
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- kfree_skb(skb);
- return -1;
- }
-@@ -673,7 +677,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
- if (likely(skb1 == NULL))
- skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
- if (!skb1) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
- IS_UDPLITE(sk));
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
-@@ -844,6 +848,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
- goto discard;
-
- UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
-+#ifdef CONFIG_GRKERNSEC_BLACKHOLE
-+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
-+#endif
- icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
-
- kfree_skb(skb);
-@@ -1453,8 +1460,13 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
- 0, 0L, 0,
- sock_i_uid(sp), 0,
- sock_i_ino(sp),
-- atomic_read(&sp->sk_refcnt), sp,
-- atomic_read(&sp->sk_drops));
-+ atomic_read(&sp->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sp,
-+#endif
-+ atomic_read_unchecked(&sp->sk_drops));
- }
-
- int udp6_seq_show(struct seq_file *seq, void *v)
-diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
-index 6b9d5a0..4dffaf1 100644
---- a/net/irda/ircomm/ircomm_tty.c
-+++ b/net/irda/ircomm/ircomm_tty.c
-@@ -281,16 +281,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
- add_wait_queue(&self->open_wait, &wait);
-
- IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, self->open_count );
-+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) );
-
- /* As far as I can see, we protect open_count - Jean II */
- spin_lock_irqsave(&self->spinlock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = 1;
-- self->open_count--;
-+ local_dec(&self->open_count);
- }
- spin_unlock_irqrestore(&self->spinlock, flags);
-- self->blocked_open++;
-+ local_inc(&self->blocked_open);
-
- while (1) {
- if (tty->termios->c_cflag & CBAUD) {
-@@ -330,7 +330,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
- }
-
- IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, self->open_count );
-+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) );
-
- schedule();
- }
-@@ -341,13 +341,13 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
- if (extra_count) {
- /* ++ is not atomic, so this should be protected - Jean II */
- spin_lock_irqsave(&self->spinlock, flags);
-- self->open_count++;
-+ local_inc(&self->open_count);
- spin_unlock_irqrestore(&self->spinlock, flags);
- }
-- self->blocked_open--;
-+ local_dec(&self->blocked_open);
-
- IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n",
-- __FILE__,__LINE__, tty->driver->name, self->open_count);
-+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count));
-
- if (!retval)
- self->flags |= ASYNC_NORMAL_ACTIVE;
-@@ -412,14 +412,14 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
- }
- /* ++ is not atomic, so this should be protected - Jean II */
- spin_lock_irqsave(&self->spinlock, flags);
-- self->open_count++;
-+ local_inc(&self->open_count);
-
- tty->driver_data = self;
- self->tty = tty;
- spin_unlock_irqrestore(&self->spinlock, flags);
-
- IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name,
-- self->line, self->open_count);
-+ self->line, local_read(&self->open_count));
-
- /* Not really used by us, but lets do it anyway */
- self->tty->low_latency = (self->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-@@ -505,7 +505,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
- return;
- }
-
-- if ((tty->count == 1) && (self->open_count != 1)) {
-+ if ((tty->count == 1) && (local_read(&self->open_count) != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. state->count should always
-@@ -515,16 +515,16 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
- */
- IRDA_DEBUG(0, "%s(), bad serial port count; "
- "tty->count is 1, state->count is %d\n", __func__ ,
-- self->open_count);
-- self->open_count = 1;
-+ local_read(&self->open_count));
-+ local_set(&self->open_count, 1);
- }
-
-- if (--self->open_count < 0) {
-+ if (local_dec_return(&self->open_count) < 0) {
- IRDA_ERROR("%s(), bad serial port count for ttys%d: %d\n",
-- __func__, self->line, self->open_count);
-- self->open_count = 0;
-+ __func__, self->line, local_read(&self->open_count));
-+ local_set(&self->open_count, 0);
- }
-- if (self->open_count) {
-+ if (local_read(&self->open_count)) {
- spin_unlock_irqrestore(&self->spinlock, flags);
-
- IRDA_DEBUG(0, "%s(), open count > 0\n", __func__ );
-@@ -556,7 +556,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
- tty->closing = 0;
- self->tty = NULL;
-
-- if (self->blocked_open) {
-+ if (local_read(&self->blocked_open)) {
- if (self->close_delay)
- schedule_timeout_interruptible(self->close_delay);
- wake_up_interruptible(&self->open_wait);
-@@ -1008,7 +1008,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty)
- spin_lock_irqsave(&self->spinlock, flags);
- self->flags &= ~ASYNC_NORMAL_ACTIVE;
- self->tty = NULL;
-- self->open_count = 0;
-+ local_set(&self->open_count, 0);
- spin_unlock_irqrestore(&self->spinlock, flags);
-
- wake_up_interruptible(&self->open_wait);
-@@ -1355,7 +1355,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m)
- seq_putc(m, '\n');
-
- seq_printf(m, "Role: %s\n", self->client ? "client" : "server");
-- seq_printf(m, "Open count: %d\n", self->open_count);
-+ seq_printf(m, "Open count: %d\n", local_read(&self->open_count));
- seq_printf(m, "Max data size: %d\n", self->max_data_size);
- seq_printf(m, "Max header size: %d\n", self->max_header_size);
-
-diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
-index cd6f7a9..e63fe89 100644
---- a/net/iucv/af_iucv.c
-+++ b/net/iucv/af_iucv.c
-@@ -782,10 +782,10 @@ static int iucv_sock_autobind(struct sock *sk)
-
- write_lock_bh(&iucv_sk_list.lock);
-
-- sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name));
-+ sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
- while (__iucv_get_sock_by_name(name)) {
- sprintf(name, "%08x",
-- atomic_inc_return(&iucv_sk_list.autobind_name));
-+ atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
- }
-
- write_unlock_bh(&iucv_sk_list.lock);
-diff --git a/net/key/af_key.c b/net/key/af_key.c
-index 34e4185..8823368 100644
---- a/net/key/af_key.c
-+++ b/net/key/af_key.c
-@@ -3016,10 +3016,10 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struc
- static u32 get_acqseq(void)
- {
- u32 res;
-- static atomic_t acqseq;
-+ static atomic_unchecked_t acqseq;
-
- do {
-- res = atomic_inc_return(&acqseq);
-+ res = atomic_inc_return_unchecked(&acqseq);
- } while (!res);
- return res;
- }
-diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
-index 35e1e4b..9275471 100644
---- a/net/l2tp/l2tp_ip6.c
-+++ b/net/l2tp/l2tp_ip6.c
-@@ -410,6 +410,7 @@ static int l2tp_ip6_getname(struct socket *sock, struct sockaddr *uaddr,
- lsa->l2tp_family = AF_INET6;
- lsa->l2tp_flowinfo = 0;
- lsa->l2tp_scope_id = 0;
-+ lsa->l2tp_unused = 0;
- if (peer) {
- if (!lsk->peer_conn_id)
- return -ENOTCONN;
-diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
-index fe5453c..a13c3e23 100644
---- a/net/llc/af_llc.c
-+++ b/net/llc/af_llc.c
-@@ -969,14 +969,13 @@ static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
- struct sockaddr_llc sllc;
- struct sock *sk = sock->sk;
- struct llc_sock *llc = llc_sk(sk);
-- int rc = 0;
-+ int rc = -EBADF;
-
- memset(&sllc, 0, sizeof(sllc));
- lock_sock(sk);
- if (sock_flag(sk, SOCK_ZAPPED))
- goto out;
- *uaddrlen = sizeof(sllc);
-- memset(uaddr, 0, *uaddrlen);
- if (peer) {
- rc = -ENOTCONN;
- if (sk->sk_state != TCP_ESTABLISHED)
-diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
-index 3f3cd50..d2cf249 100644
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -28,6 +28,7 @@
- #include <net/ieee80211_radiotap.h>
- #include <net/cfg80211.h>
- #include <net/mac80211.h>
-+#include <asm/local.h>
- #include "key.h"
- #include "sta_info.h"
-
-@@ -863,7 +864,7 @@ struct ieee80211_local {
- /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
- spinlock_t queue_stop_reason_lock;
-
-- int open_count;
-+ local_t open_count;
- int monitors, cooked_mntrs;
- /* number of interfaces with corresponding FIF_ flags */
- int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
-diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
-index 8664111..1d6a065 100644
---- a/net/mac80211/iface.c
-+++ b/net/mac80211/iface.c
-@@ -328,7 +328,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
- break;
- }
-
-- if (local->open_count == 0) {
-+ if (local_read(&local->open_count) == 0) {
- res = drv_start(local);
- if (res)
- goto err_del_bss;
-@@ -371,7 +371,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
- break;
- }
-
-- if (local->monitors == 0 && local->open_count == 0) {
-+ if (local->monitors == 0 && local_read(&local->open_count) == 0) {
- res = ieee80211_add_virtual_monitor(local);
- if (res)
- goto err_stop;
-@@ -468,7 +468,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
- mutex_unlock(&local->mtx);
-
- if (coming_up)
-- local->open_count++;
-+ local_inc(&local->open_count);
-
- if (hw_reconf_flags)
- ieee80211_hw_config(local, hw_reconf_flags);
-@@ -481,7 +481,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
- err_del_interface:
- drv_remove_interface(local, sdata);
- err_stop:
-- if (!local->open_count)
-+ if (!local_read(&local->open_count))
- drv_stop(local);
- err_del_bss:
- sdata->bss = NULL;
-@@ -613,7 +613,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
- }
-
- if (going_down)
-- local->open_count--;
-+ local_dec(&local->open_count);
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP_VLAN:
-@@ -685,7 +685,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
-
- ieee80211_recalc_ps(local, -1);
-
-- if (local->open_count == 0) {
-+ if (local_read(&local->open_count) == 0) {
- if (local->ops->napi_poll)
- napi_disable(&local->napi);
- ieee80211_clear_tx_pending(local);
-@@ -717,7 +717,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
- }
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-
-- if (local->monitors == local->open_count && local->monitors > 0)
-+ if (local->monitors == local_read(&local->open_count) && local->monitors > 0)
- ieee80211_add_virtual_monitor(local);
- }
-
-diff --git a/net/mac80211/main.c b/net/mac80211/main.c
-index f5548e9..474a15f 100644
---- a/net/mac80211/main.c
-+++ b/net/mac80211/main.c
-@@ -166,7 +166,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
- local->hw.conf.power_level = power;
- }
-
-- if (changed && local->open_count) {
-+ if (changed && local_read(&local->open_count)) {
- ret = drv_config(local, changed);
- /*
- * Goal:
-diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
-index af1c4e2..24dbbe3 100644
---- a/net/mac80211/pm.c
-+++ b/net/mac80211/pm.c
-@@ -34,7 +34,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
- struct ieee80211_sub_if_data *sdata;
- struct sta_info *sta;
-
-- if (!local->open_count)
-+ if (!local_read(&local->open_count))
- goto suspend;
-
- ieee80211_scan_cancel(local);
-@@ -72,7 +72,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
- cancel_work_sync(&local->dynamic_ps_enable_work);
- del_timer_sync(&local->dynamic_ps_timer);
-
-- local->wowlan = wowlan && local->open_count;
-+ local->wowlan = wowlan && local_read(&local->open_count);
- if (local->wowlan) {
- int err = drv_suspend(local, wowlan);
- if (err < 0) {
-@@ -132,7 +132,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
- drv_remove_interface(local, sdata);
-
- /* stop hardware - this must stop RX */
-- if (local->open_count)
-+ if (local_read(&local->open_count))
- ieee80211_stop_device(local);
-
- suspend:
-diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
-index 3313c11..bec9f17 100644
---- a/net/mac80211/rate.c
-+++ b/net/mac80211/rate.c
-@@ -494,7 +494,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
-
- ASSERT_RTNL();
-
-- if (local->open_count)
-+ if (local_read(&local->open_count))
- return -EBUSY;
-
- if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
-diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c
-index c97a065..ff61928 100644
---- a/net/mac80211/rc80211_pid_debugfs.c
-+++ b/net/mac80211/rc80211_pid_debugfs.c
-@@ -193,7 +193,7 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf,
-
- spin_unlock_irqrestore(&events->lock, status);
-
-- if (copy_to_user(buf, pb, p))
-+ if (p > sizeof(pb) || copy_to_user(buf, pb, p))
- return -EFAULT;
-
- return p;
-diff --git a/net/mac80211/util.c b/net/mac80211/util.c
-index f564b5e..22fee47 100644
---- a/net/mac80211/util.c
-+++ b/net/mac80211/util.c
-@@ -1224,7 +1224,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
- }
- #endif
- /* everything else happens only if HW was up & running */
-- if (!local->open_count)
-+ if (!local_read(&local->open_count))
- goto wake_up;
-
- /*
-diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
-index 209c1ed..39484dc 100644
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -851,6 +851,16 @@ config NETFILTER_XT_MATCH_ESP
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_MATCH_GRADM
-+ tristate '"gradm" match support'
-+ depends on NETFILTER_XTABLES && NETFILTER_ADVANCED
-+ depends on GRKERNSEC && !GRKERNSEC_NO_RBAC
-+ ---help---
-+ The gradm match allows to match on grsecurity RBAC being enabled.
-+ It is useful when iptables rules are applied early on bootup to
-+ prevent connections to the machine (except from a trusted host)
-+ while the RBAC system is disabled.
-+
- config NETFILTER_XT_MATCH_HASHLIMIT
- tristate '"hashlimit" match support'
- depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n)
-diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
-index 4e7960c..89e48d4 100644
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -87,6 +87,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_ECN) += xt_ecn.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o
-+obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
-diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
-index 1548df9..98ad9b4 100644
---- a/net/netfilter/ipvs/ip_vs_conn.c
-+++ b/net/netfilter/ipvs/ip_vs_conn.c
-@@ -557,7 +557,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
- /* Increase the refcnt counter of the dest */
- atomic_inc(&dest->refcnt);
-
-- conn_flags = atomic_read(&dest->conn_flags);
-+ conn_flags = atomic_read_unchecked(&dest->conn_flags);
- if (cp->protocol != IPPROTO_UDP)
- conn_flags &= ~IP_VS_CONN_F_ONE_PACKET;
- flags = cp->flags;
-@@ -902,7 +902,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
- atomic_set(&cp->refcnt, 1);
-
- atomic_set(&cp->n_control, 0);
-- atomic_set(&cp->in_pkts, 0);
-+ atomic_set_unchecked(&cp->in_pkts, 0);
-
- atomic_inc(&ipvs->conn_count);
- if (flags & IP_VS_CONN_F_NO_CPORT)
-@@ -1183,7 +1183,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
-
- /* Don't drop the entry if its number of incoming packets is not
- located in [0, 8] */
-- i = atomic_read(&cp->in_pkts);
-+ i = atomic_read_unchecked(&cp->in_pkts);
- if (i > 8 || i < 0) return 0;
-
- if (!todrop_rate[i]) return 0;
-diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
-index a54b018c..07e0120 100644
---- a/net/netfilter/ipvs/ip_vs_core.c
-+++ b/net/netfilter/ipvs/ip_vs_core.c
-@@ -562,7 +562,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
- ret = cp->packet_xmit(skb, cp, pd->pp);
- /* do not touch skb anymore */
-
-- atomic_inc(&cp->in_pkts);
-+ atomic_inc_unchecked(&cp->in_pkts);
- ip_vs_conn_put(cp);
- return ret;
- }
-@@ -1611,7 +1611,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
- if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
- pkts = sysctl_sync_threshold(ipvs);
- else
-- pkts = atomic_add_return(1, &cp->in_pkts);
-+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
-
- if (ipvs->sync_state & IP_VS_STATE_MASTER)
- ip_vs_sync_conn(net, cp, pkts);
-diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
-index 84444dd..f91c066 100644
---- a/net/netfilter/ipvs/ip_vs_ctl.c
-+++ b/net/netfilter/ipvs/ip_vs_ctl.c
-@@ -788,7 +788,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
- ip_vs_rs_hash(ipvs, dest);
- write_unlock_bh(&ipvs->rs_lock);
- }
-- atomic_set(&dest->conn_flags, conn_flags);
-+ atomic_set_unchecked(&dest->conn_flags, conn_flags);
-
- /* bind the service */
- if (!dest->svc) {
-@@ -2074,7 +2074,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
- " %-7s %-6d %-10d %-10d\n",
- &dest->addr.in6,
- ntohs(dest->port),
-- ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
-+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
- atomic_read(&dest->weight),
- atomic_read(&dest->activeconns),
- atomic_read(&dest->inactconns));
-@@ -2085,7 +2085,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
- "%-7s %-6d %-10d %-10d\n",
- ntohl(dest->addr.ip),
- ntohs(dest->port),
-- ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
-+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
- atomic_read(&dest->weight),
- atomic_read(&dest->activeconns),
- atomic_read(&dest->inactconns));
-@@ -2555,7 +2555,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
-
- entry.addr = dest->addr.ip;
- entry.port = dest->port;
-- entry.conn_flags = atomic_read(&dest->conn_flags);
-+ entry.conn_flags = atomic_read_unchecked(&dest->conn_flags);
- entry.weight = atomic_read(&dest->weight);
- entry.u_threshold = dest->u_threshold;
- entry.l_threshold = dest->l_threshold;
-@@ -2759,6 +2759,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
- {
- struct ip_vs_timeout_user t;
-
-+ memset(&t, 0, sizeof(t));
- __ip_vs_get_timeouts(net, &t);
- if (copy_to_user(user, &t, sizeof(t)) != 0)
- ret = -EFAULT;
-@@ -3089,7 +3090,7 @@ static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest)
- if (nla_put(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr) ||
- nla_put_u16(skb, IPVS_DEST_ATTR_PORT, dest->port) ||
- nla_put_u32(skb, IPVS_DEST_ATTR_FWD_METHOD,
-- (atomic_read(&dest->conn_flags) &
-+ (atomic_read_unchecked(&dest->conn_flags) &
- IP_VS_CONN_F_FWD_MASK)) ||
- nla_put_u32(skb, IPVS_DEST_ATTR_WEIGHT,
- atomic_read(&dest->weight)) ||
-diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
-index effa10c..9058928 100644
---- a/net/netfilter/ipvs/ip_vs_sync.c
-+++ b/net/netfilter/ipvs/ip_vs_sync.c
-@@ -596,7 +596,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
- cp = cp->control;
- if (cp) {
- if (cp->flags & IP_VS_CONN_F_TEMPLATE)
-- pkts = atomic_add_return(1, &cp->in_pkts);
-+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
- else
- pkts = sysctl_sync_threshold(ipvs);
- ip_vs_sync_conn(net, cp->control, pkts);
-@@ -758,7 +758,7 @@ control:
- if (!cp)
- return;
- if (cp->flags & IP_VS_CONN_F_TEMPLATE)
-- pkts = atomic_add_return(1, &cp->in_pkts);
-+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
- else
- pkts = sysctl_sync_threshold(ipvs);
- goto sloop;
-@@ -885,7 +885,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
-
- if (opt)
- memcpy(&cp->in_seq, opt, sizeof(*opt));
-- atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs));
-+ atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs));
- cp->state = state;
- cp->old_state = cp->state;
- /*
-diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
-index 7fd66de..e6fb361 100644
---- a/net/netfilter/ipvs/ip_vs_xmit.c
-+++ b/net/netfilter/ipvs/ip_vs_xmit.c
-@@ -1151,7 +1151,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
- else
- rc = NF_ACCEPT;
- /* do not touch skb anymore */
-- atomic_inc(&cp->in_pkts);
-+ atomic_inc_unchecked(&cp->in_pkts);
- goto out;
- }
-
-@@ -1272,7 +1272,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
- else
- rc = NF_ACCEPT;
- /* do not touch skb anymore */
-- atomic_inc(&cp->in_pkts);
-+ atomic_inc_unchecked(&cp->in_pkts);
- goto out;
- }
-
-diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
-index ac3af97..c134c21 100644
---- a/net/netfilter/nf_conntrack_core.c
-+++ b/net/netfilter/nf_conntrack_core.c
-@@ -1530,6 +1530,10 @@ err_proto:
- #define UNCONFIRMED_NULLS_VAL ((1<<30)+0)
- #define DYING_NULLS_VAL ((1<<30)+1)
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+static atomic_unchecked_t conntrack_cache_id = ATOMIC_INIT(0);
-+#endif
-+
- static int nf_conntrack_init_net(struct net *net)
- {
- int ret;
-@@ -1543,7 +1547,11 @@ static int nf_conntrack_init_net(struct net *net)
- goto err_stat;
- }
-
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08lx", atomic_inc_return_unchecked(&conntrack_cache_id));
-+#else
- net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net);
-+#endif
- if (!net->ct.slabname) {
- ret = -ENOMEM;
- goto err_slabname;
-diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
-index 3c3cfc0..7a6ea1a 100644
---- a/net/netfilter/nfnetlink_log.c
-+++ b/net/netfilter/nfnetlink_log.c
-@@ -70,7 +70,7 @@ struct nfulnl_instance {
- };
-
- static DEFINE_SPINLOCK(instances_lock);
--static atomic_t global_seq;
-+static atomic_unchecked_t global_seq;
-
- #define INSTANCE_BUCKETS 16
- static struct hlist_head instance_table[INSTANCE_BUCKETS];
-@@ -517,7 +517,7 @@ __build_packet_message(struct nfulnl_instance *inst,
- /* global sequence number */
- if ((inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) &&
- nla_put_be32(inst->skb, NFULA_SEQ_GLOBAL,
-- htonl(atomic_inc_return(&global_seq))))
-+ htonl(atomic_inc_return_unchecked(&global_seq))))
- goto nla_put_failure;
-
- if (data_len) {
-diff --git a/net/netfilter/xt_gradm.c b/net/netfilter/xt_gradm.c
-new file mode 100644
-index 0000000..6905327
---- /dev/null
-+++ b/net/netfilter/xt_gradm.c
-@@ -0,0 +1,51 @@
-+/*
-+ * gradm match for netfilter
-+ * Copyright © Zbigniew Krzystolik, 2010
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License; either version
-+ * 2 or 3 as published by the Free Software Foundation.
-+ */
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter/x_tables.h>
-+#include <linux/grsecurity.h>
-+#include <linux/netfilter/xt_gradm.h>
-+
-+static bool
-+gradm_mt(const struct sk_buff *skb, struct xt_action_param *par)
-+{
-+ const struct xt_gradm_mtinfo *info = par->matchinfo;
-+ bool retval = false;
-+ if (gr_acl_is_enabled())
-+ retval = true;
-+ return retval ^ info->invflags;
-+}
-+
-+static struct xt_match gradm_mt_reg __read_mostly = {
-+ .name = "gradm",
-+ .revision = 0,
-+ .family = NFPROTO_UNSPEC,
-+ .match = gradm_mt,
-+ .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)),
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init gradm_mt_init(void)
-+{
-+ return xt_register_match(&gradm_mt_reg);
-+}
-+
-+static void __exit gradm_mt_exit(void)
-+{
-+ xt_unregister_match(&gradm_mt_reg);
-+}
-+
-+module_init(gradm_mt_init);
-+module_exit(gradm_mt_exit);
-+MODULE_AUTHOR("Zbigniew Krzystolik <zbyniu(a)destrukcja.pl>");
-+MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("ipt_gradm");
-+MODULE_ALIAS("ip6t_gradm");
-diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c
-index 4fe4fb4..87a89e5 100644
---- a/net/netfilter/xt_statistic.c
-+++ b/net/netfilter/xt_statistic.c
-@@ -19,7 +19,7 @@
- #include <linux/module.h>
-
- struct xt_statistic_priv {
-- atomic_t count;
-+ atomic_unchecked_t count;
- } ____cacheline_aligned_in_smp;
-
- MODULE_LICENSE("GPL");
-@@ -42,9 +42,9 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par)
- break;
- case XT_STATISTIC_MODE_NTH:
- do {
-- oval = atomic_read(&info->master->count);
-+ oval = atomic_read_unchecked(&info->master->count);
- nval = (oval == info->u.nth.every) ? 0 : oval + 1;
-- } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval);
-+ } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval);
- if (nval == 0)
- ret = !ret;
- break;
-@@ -64,7 +64,7 @@ static int statistic_mt_check(const struct xt_mtchk_param *par)
- info->master = kzalloc(sizeof(*info->master), GFP_KERNEL);
- if (info->master == NULL)
- return -ENOMEM;
-- atomic_set(&info->master->count, info->u.nth.count);
-+ atomic_set_unchecked(&info->master->count, info->u.nth.count);
-
- return 0;
- }
-diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
-index b3025a6..e717db9 100644
---- a/net/netlink/af_netlink.c
-+++ b/net/netlink/af_netlink.c
-@@ -753,7 +753,7 @@ static void netlink_overrun(struct sock *sk)
- sk->sk_error_report(sk);
- }
- }
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- }
-
- static struct sock *netlink_getsockbypid(struct sock *ssk, u32 pid)
-@@ -1344,7 +1344,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
- if (NULL == siocb->scm)
- siocb->scm = &scm;
-
-- err = scm_send(sock, msg, siocb->scm);
-+ err = scm_send(sock, msg, siocb->scm, true);
- if (err < 0)
- return err;
-
-@@ -1355,7 +1355,8 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
- dst_pid = addr->nl_pid;
- dst_group = ffs(addr->nl_groups);
- err = -EPERM;
-- if (dst_group && !netlink_capable(sock, NL_NONROOT_SEND))
-+ if ((dst_group || dst_pid) &&
-+ !netlink_capable(sock, NL_NONROOT_SEND))
- goto out;
- } else {
- dst_pid = nlk->dst_pid;
-@@ -2022,7 +2023,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
- sk_wmem_alloc_get(s),
- nlk->cb,
- atomic_read(&s->sk_refcnt),
-- atomic_read(&s->sk_drops),
-+ atomic_read_unchecked(&s->sk_drops),
- sock_i_ino(s)
- );
-
-@@ -2124,6 +2125,7 @@ static void __init netlink_add_usersock_entry(void)
- rcu_assign_pointer(nl_table[NETLINK_USERSOCK].listeners, listeners);
- nl_table[NETLINK_USERSOCK].module = THIS_MODULE;
- nl_table[NETLINK_USERSOCK].registered = 1;
-+ nl_table[NETLINK_USERSOCK].nl_nonroot = NL_NONROOT_SEND;
-
- netlink_table_ungrab();
- }
-diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
-index 06592d8..64860f6 100644
---- a/net/netrom/af_netrom.c
-+++ b/net/netrom/af_netrom.c
-@@ -838,6 +838,7 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr,
- struct sock *sk = sock->sk;
- struct nr_sock *nr = nr_sk(sk);
-
-+ memset(sax, 0, sizeof(*sax));
- lock_sock(sk);
- if (peer != 0) {
- if (sk->sk_state != TCP_ESTABLISHED) {
-@@ -852,7 +853,6 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr,
- *uaddr_len = sizeof(struct full_sockaddr_ax25);
- } else {
- sax->fsa_ax25.sax25_family = AF_NETROM;
-- sax->fsa_ax25.sax25_ndigis = 0;
- sax->fsa_ax25.sax25_call = nr->source_addr;
- *uaddr_len = sizeof(struct sockaddr_ax25);
- }
-diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
-index 0f66174..e7cb04c 100644
---- a/net/packet/af_packet.c
-+++ b/net/packet/af_packet.c
-@@ -1687,7 +1687,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
-
- spin_lock(&sk->sk_receive_queue.lock);
- po->stats.tp_packets++;
-- skb->dropcount = atomic_read(&sk->sk_drops);
-+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
- __skb_queue_tail(&sk->sk_receive_queue, skb);
- spin_unlock(&sk->sk_receive_queue.lock);
- sk->sk_data_ready(sk, skb->len);
-@@ -1696,7 +1696,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
- drop_n_acct:
- spin_lock(&sk->sk_receive_queue.lock);
- po->stats.tp_drops++;
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- spin_unlock(&sk->sk_receive_queue.lock);
-
- drop_n_restore:
-@@ -2641,6 +2641,7 @@ out:
-
- static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len)
- {
-+ struct sock_extended_err ee;
- struct sock_exterr_skb *serr;
- struct sk_buff *skb, *skb2;
- int copied, err;
-@@ -2662,8 +2663,9 @@ static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len)
- sock_recv_timestamp(msg, sk, skb);
-
- serr = SKB_EXT_ERR(skb);
-+ ee = serr->ee;
- put_cmsg(msg, SOL_PACKET, PACKET_TX_TIMESTAMP,
-- sizeof(serr->ee), &serr->ee);
-+ sizeof ee, &ee);
-
- msg->msg_flags |= MSG_ERRQUEUE;
- err = copied;
-@@ -3275,7 +3277,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
- case PACKET_HDRLEN:
- if (len > sizeof(int))
- len = sizeof(int);
-- if (copy_from_user(&val, optval, len))
-+ if (len > sizeof(val) || copy_from_user(&val, optval, len))
- return -EFAULT;
- switch (val) {
- case TPACKET_V1:
-@@ -3314,7 +3316,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
- len = lv;
- if (put_user(len, optlen))
- return -EFAULT;
-- if (copy_to_user(optval, data, len))
-+ if (len > sizeof(st) || copy_to_user(optval, data, len))
- return -EFAULT;
- return 0;
- }
-diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
-index 5a940db..f0b9c12 100644
---- a/net/phonet/af_phonet.c
-+++ b/net/phonet/af_phonet.c
-@@ -41,7 +41,7 @@ static struct phonet_protocol *phonet_proto_get(unsigned int protocol)
- {
- struct phonet_protocol *pp;
-
-- if (protocol >= PHONET_NPROTO)
-+ if (protocol < 0 || protocol >= PHONET_NPROTO)
- return NULL;
-
- rcu_read_lock();
-@@ -469,7 +469,7 @@ int __init_or_module phonet_proto_register(unsigned int protocol,
- {
- int err = 0;
-
-- if (protocol >= PHONET_NPROTO)
-+ if (protocol < 0 || protocol >= PHONET_NPROTO)
- return -EINVAL;
-
- err = proto_register(pp->prot, 1);
-diff --git a/net/phonet/pep.c b/net/phonet/pep.c
-index 576f22c..bc7a71b 100644
---- a/net/phonet/pep.c
-+++ b/net/phonet/pep.c
-@@ -388,7 +388,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
-
- case PNS_PEP_CTRL_REQ:
- if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- break;
- }
- __skb_pull(skb, 4);
-@@ -409,7 +409,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
- }
-
- if (pn->rx_credits == 0) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- err = -ENOBUFS;
- break;
- }
-@@ -580,7 +580,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb)
- }
-
- if (pn->rx_credits == 0) {
-- atomic_inc(&sk->sk_drops);
-+ atomic_inc_unchecked(&sk->sk_drops);
- err = NET_RX_DROP;
- break;
- }
-diff --git a/net/phonet/socket.c b/net/phonet/socket.c
-index 0acc943..c727611 100644
---- a/net/phonet/socket.c
-+++ b/net/phonet/socket.c
-@@ -613,8 +613,13 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
- pn->resource, sk->sk_state,
- sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
- sock_i_uid(sk), sock_i_ino(sk),
-- atomic_read(&sk->sk_refcnt), sk,
-- atomic_read(&sk->sk_drops), &len);
-+ atomic_read(&sk->sk_refcnt),
-+#ifdef CONFIG_GRKERNSEC_HIDESYM
-+ NULL,
-+#else
-+ sk,
-+#endif
-+ atomic_read_unchecked(&sk->sk_drops), &len);
- }
- seq_printf(seq, "%*s\n", 127 - len, "");
- return 0;
-diff --git a/net/rds/cong.c b/net/rds/cong.c
-index e5b65ac..f3b6fb7 100644
---- a/net/rds/cong.c
-+++ b/net/rds/cong.c
-@@ -78,7 +78,7 @@
- * finds that the saved generation number is smaller than the global generation
- * number, it wakes up the process.
- */
--static atomic_t rds_cong_generation = ATOMIC_INIT(0);
-+static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0);
-
- /*
- * Congestion monitoring
-@@ -233,7 +233,7 @@ void rds_cong_map_updated(struct rds_cong_map *map, uint64_t portmask)
- rdsdebug("waking map %p for %pI4\n",
- map, &map->m_addr);
- rds_stats_inc(s_cong_update_received);
-- atomic_inc(&rds_cong_generation);
-+ atomic_inc_unchecked(&rds_cong_generation);
- if (waitqueue_active(&map->m_waitq))
- wake_up(&map->m_waitq);
- if (waitqueue_active(&rds_poll_waitq))
-@@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated);
-
- int rds_cong_updated_since(unsigned long *recent)
- {
-- unsigned long gen = atomic_read(&rds_cong_generation);
-+ unsigned long gen = atomic_read_unchecked(&rds_cong_generation);
-
- if (likely(*recent == gen))
- return 0;
-diff --git a/net/rds/ib.h b/net/rds/ib.h
-index 8d2b3d5..227ec5b 100644
---- a/net/rds/ib.h
-+++ b/net/rds/ib.h
-@@ -128,7 +128,7 @@ struct rds_ib_connection {
- /* sending acks */
- unsigned long i_ack_flags;
- #ifdef KERNEL_HAS_ATOMIC64
-- atomic64_t i_ack_next; /* next ACK to send */
-+ atomic64_unchecked_t i_ack_next; /* next ACK to send */
- #else
- spinlock_t i_ack_lock; /* protect i_ack_next */
- u64 i_ack_next; /* next ACK to send */
-diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
-index a1e1162..265e129 100644
---- a/net/rds/ib_cm.c
-+++ b/net/rds/ib_cm.c
-@@ -718,7 +718,7 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
- /* Clear the ACK state */
- clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
- #ifdef KERNEL_HAS_ATOMIC64
-- atomic64_set(&ic->i_ack_next, 0);
-+ atomic64_set_unchecked(&ic->i_ack_next, 0);
- #else
- ic->i_ack_next = 0;
- #endif
-diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
-index 8d19491..05a3e65 100644
---- a/net/rds/ib_recv.c
-+++ b/net/rds/ib_recv.c
-@@ -592,7 +592,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
- static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq,
- int ack_required)
- {
-- atomic64_set(&ic->i_ack_next, seq);
-+ atomic64_set_unchecked(&ic->i_ack_next, seq);
- if (ack_required) {
- smp_mb__before_clear_bit();
- set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
-@@ -604,7 +604,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
- clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
- smp_mb__after_clear_bit();
-
-- return atomic64_read(&ic->i_ack_next);
-+ return atomic64_read_unchecked(&ic->i_ack_next);
- }
- #endif
-
-diff --git a/net/rds/iw.h b/net/rds/iw.h
-index 04ce3b1..48119a6 100644
---- a/net/rds/iw.h
-+++ b/net/rds/iw.h
-@@ -134,7 +134,7 @@ struct rds_iw_connection {
- /* sending acks */
- unsigned long i_ack_flags;
- #ifdef KERNEL_HAS_ATOMIC64
-- atomic64_t i_ack_next; /* next ACK to send */
-+ atomic64_unchecked_t i_ack_next; /* next ACK to send */
- #else
- spinlock_t i_ack_lock; /* protect i_ack_next */
- u64 i_ack_next; /* next ACK to send */
-diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
-index a91e1db..cf3053f 100644
---- a/net/rds/iw_cm.c
-+++ b/net/rds/iw_cm.c
-@@ -663,7 +663,7 @@ void rds_iw_conn_shutdown(struct rds_connection *conn)
- /* Clear the ACK state */
- clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
- #ifdef KERNEL_HAS_ATOMIC64
-- atomic64_set(&ic->i_ack_next, 0);
-+ atomic64_set_unchecked(&ic->i_ack_next, 0);
- #else
- ic->i_ack_next = 0;
- #endif
-diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
-index 4503335..db566b4 100644
---- a/net/rds/iw_recv.c
-+++ b/net/rds/iw_recv.c
-@@ -427,7 +427,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
- static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq,
- int ack_required)
- {
-- atomic64_set(&ic->i_ack_next, seq);
-+ atomic64_set_unchecked(&ic->i_ack_next, seq);
- if (ack_required) {
- smp_mb__before_clear_bit();
- set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
-@@ -439,7 +439,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
- clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
- smp_mb__after_clear_bit();
-
-- return atomic64_read(&ic->i_ack_next);
-+ return atomic64_read_unchecked(&ic->i_ack_next);
- }
- #endif
-
-diff --git a/net/rds/recv.c b/net/rds/recv.c
-index 5c6e9f1..9f0f17c 100644
---- a/net/rds/recv.c
-+++ b/net/rds/recv.c
-@@ -410,6 +410,8 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
-
- rdsdebug("size %zu flags 0x%x timeo %ld\n", size, msg_flags, timeo);
-
-+ msg->msg_namelen = 0;
-+
- if (msg_flags & MSG_OOB)
- goto out;
-
-@@ -485,6 +487,7 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
- sin->sin_port = inc->i_hdr.h_sport;
- sin->sin_addr.s_addr = inc->i_saddr;
- memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-+ msg->msg_namelen = sizeof(*sin);
- }
- break;
- }
-diff --git a/net/rds/tcp.c b/net/rds/tcp.c
-index edac9ef..16bcb98 100644
---- a/net/rds/tcp.c
-+++ b/net/rds/tcp.c
-@@ -59,7 +59,7 @@ void rds_tcp_nonagle(struct socket *sock)
- int val = 1;
-
- set_fs(KERNEL_DS);
-- sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __user *)&val,
-+ sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __force_user *)&val,
- sizeof(val));
- set_fs(oldfs);
- }
-diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
-index 1b4fd68..2234175 100644
---- a/net/rds/tcp_send.c
-+++ b/net/rds/tcp_send.c
-@@ -43,7 +43,7 @@ static void rds_tcp_cork(struct socket *sock, int val)
-
- oldfs = get_fs();
- set_fs(KERNEL_DS);
-- sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __user *)&val,
-+ sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __force_user *)&val,
- sizeof(val));
- set_fs(oldfs);
- }
-diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
-index 05996d0..5a1dfe0 100644
---- a/net/rxrpc/af_rxrpc.c
-+++ b/net/rxrpc/af_rxrpc.c
-@@ -39,7 +39,7 @@ static const struct proto_ops rxrpc_rpc_ops;
- __be32 rxrpc_epoch;
-
- /* current debugging ID */
--atomic_t rxrpc_debug_id;
-+atomic_unchecked_t rxrpc_debug_id;
-
- /* count of skbs currently in use */
- atomic_t rxrpc_n_skbs;
-diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
-index e4d9cbc..b229649 100644
---- a/net/rxrpc/ar-ack.c
-+++ b/net/rxrpc/ar-ack.c
-@@ -175,7 +175,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
-
- _enter("{%d,%d,%d,%d},",
- call->acks_hard, call->acks_unacked,
-- atomic_read(&call->sequence),
-+ atomic_read_unchecked(&call->sequence),
- CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz));
-
- stop = 0;
-@@ -199,7 +199,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
-
- /* each Tx packet has a new serial number */
- sp->hdr.serial =
-- htonl(atomic_inc_return(&call->conn->serial));
-+ htonl(atomic_inc_return_unchecked(&call->conn->serial));
-
- hdr = (struct rxrpc_header *) txb->head;
- hdr->serial = sp->hdr.serial;
-@@ -403,7 +403,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, u32 hard)
- */
- static void rxrpc_clear_tx_window(struct rxrpc_call *call)
- {
-- rxrpc_rotate_tx_window(call, atomic_read(&call->sequence));
-+ rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence));
- }
-
- /*
-@@ -629,7 +629,7 @@ process_further:
-
- latest = ntohl(sp->hdr.serial);
- hard = ntohl(ack.firstPacket);
-- tx = atomic_read(&call->sequence);
-+ tx = atomic_read_unchecked(&call->sequence);
-
- _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
- latest,
-@@ -1161,7 +1161,7 @@ void rxrpc_process_call(struct work_struct *work)
- goto maybe_reschedule;
-
- send_ACK_with_skew:
-- ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) -
-+ ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) -
- ntohl(ack.serial));
- send_ACK:
- mtu = call->conn->trans->peer->if_mtu;
-@@ -1173,7 +1173,7 @@ send_ACK:
- ackinfo.rxMTU = htonl(5692);
- ackinfo.jumbo_max = htonl(4);
-
-- hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
-+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
- _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
- ntohl(hdr.serial),
- ntohs(ack.maxSkew),
-@@ -1191,7 +1191,7 @@ send_ACK:
- send_message:
- _debug("send message");
-
-- hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
-+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
- _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial));
- send_message_2:
-
-diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c
-index a3bbb36..3341fb9 100644
---- a/net/rxrpc/ar-call.c
-+++ b/net/rxrpc/ar-call.c
-@@ -83,7 +83,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
- spin_lock_init(&call->lock);
- rwlock_init(&call->state_lock);
- atomic_set(&call->usage, 1);
-- call->debug_id = atomic_inc_return(&rxrpc_debug_id);
-+ call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
- call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
-
- memset(&call->sock_node, 0xed, sizeof(call->sock_node));
-diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
-index 4106ca9..a338d7a 100644
---- a/net/rxrpc/ar-connection.c
-+++ b/net/rxrpc/ar-connection.c
-@@ -206,7 +206,7 @@ static struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp)
- rwlock_init(&conn->lock);
- spin_lock_init(&conn->state_lock);
- atomic_set(&conn->usage, 1);
-- conn->debug_id = atomic_inc_return(&rxrpc_debug_id);
-+ conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
- conn->avail_calls = RXRPC_MAXCALLS;
- conn->size_align = 4;
- conn->header_size = sizeof(struct rxrpc_header);
-diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c
-index e7ed43a..6afa140 100644
---- a/net/rxrpc/ar-connevent.c
-+++ b/net/rxrpc/ar-connevent.c
-@@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
-
- len = iov[0].iov_len + iov[1].iov_len;
-
-- hdr.serial = htonl(atomic_inc_return(&conn->serial));
-+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
- _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code);
-
- ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
-diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c
-index 529572f..c758ca7 100644
---- a/net/rxrpc/ar-input.c
-+++ b/net/rxrpc/ar-input.c
-@@ -340,9 +340,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
- /* track the latest serial number on this connection for ACK packet
- * information */
- serial = ntohl(sp->hdr.serial);
-- hi_serial = atomic_read(&call->conn->hi_serial);
-+ hi_serial = atomic_read_unchecked(&call->conn->hi_serial);
- while (serial > hi_serial)
-- hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial,
-+ hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial,
- serial);
-
- /* request ACK generation for any ACK or DATA packet that requests
-diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
-index a693aca..81e7293 100644
---- a/net/rxrpc/ar-internal.h
-+++ b/net/rxrpc/ar-internal.h
-@@ -272,8 +272,8 @@ struct rxrpc_connection {
- int error; /* error code for local abort */
- int debug_id; /* debug ID for printks */
- unsigned int call_counter; /* call ID counter */
-- atomic_t serial; /* packet serial number counter */
-- atomic_t hi_serial; /* highest serial number received */
-+ atomic_unchecked_t serial; /* packet serial number counter */
-+ atomic_unchecked_t hi_serial; /* highest serial number received */
- u8 avail_calls; /* number of calls available */
- u8 size_align; /* data size alignment (for security) */
- u8 header_size; /* rxrpc + security header size */
-@@ -346,7 +346,7 @@ struct rxrpc_call {
- spinlock_t lock;
- rwlock_t state_lock; /* lock for state transition */
- atomic_t usage;
-- atomic_t sequence; /* Tx data packet sequence counter */
-+ atomic_unchecked_t sequence; /* Tx data packet sequence counter */
- u32 abort_code; /* local/remote abort code */
- enum { /* current state of call */
- RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */
-@@ -420,7 +420,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
- */
- extern atomic_t rxrpc_n_skbs;
- extern __be32 rxrpc_epoch;
--extern atomic_t rxrpc_debug_id;
-+extern atomic_unchecked_t rxrpc_debug_id;
- extern struct workqueue_struct *rxrpc_workqueue;
-
- /*
-diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c
-index 87f7135..74d3703 100644
---- a/net/rxrpc/ar-local.c
-+++ b/net/rxrpc/ar-local.c
-@@ -45,7 +45,7 @@ struct rxrpc_local *rxrpc_alloc_local(struct sockaddr_rxrpc *srx)
- spin_lock_init(&local->lock);
- rwlock_init(&local->services_lock);
- atomic_set(&local->usage, 1);
-- local->debug_id = atomic_inc_return(&rxrpc_debug_id);
-+ local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
- memcpy(&local->srx, srx, sizeof(*srx));
- }
-
-diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c
-index 16ae887..d24f12b 100644
---- a/net/rxrpc/ar-output.c
-+++ b/net/rxrpc/ar-output.c
-@@ -682,9 +682,9 @@ static int rxrpc_send_data(struct kiocb *iocb,
- sp->hdr.cid = call->cid;
- sp->hdr.callNumber = call->call_id;
- sp->hdr.seq =
-- htonl(atomic_inc_return(&call->sequence));
-+ htonl(atomic_inc_return_unchecked(&call->sequence));
- sp->hdr.serial =
-- htonl(atomic_inc_return(&conn->serial));
-+ htonl(atomic_inc_return_unchecked(&conn->serial));
- sp->hdr.type = RXRPC_PACKET_TYPE_DATA;
- sp->hdr.userStatus = 0;
- sp->hdr.securityIndex = conn->security_ix;
-diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
-index bebaa43..2644591 100644
---- a/net/rxrpc/ar-peer.c
-+++ b/net/rxrpc/ar-peer.c
-@@ -72,7 +72,7 @@ static struct rxrpc_peer *rxrpc_alloc_peer(struct sockaddr_rxrpc *srx,
- INIT_LIST_HEAD(&peer->error_targets);
- spin_lock_init(&peer->lock);
- atomic_set(&peer->usage, 1);
-- peer->debug_id = atomic_inc_return(&rxrpc_debug_id);
-+ peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
- memcpy(&peer->srx, srx, sizeof(*srx));
-
- rxrpc_assess_MTU_size(peer);
-diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c
-index 38047f7..9f48511 100644
---- a/net/rxrpc/ar-proc.c
-+++ b/net/rxrpc/ar-proc.c
-@@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
- atomic_read(&conn->usage),
- rxrpc_conn_states[conn->state],
- key_serial(conn->key),
-- atomic_read(&conn->serial),
-- atomic_read(&conn->hi_serial));
-+ atomic_read_unchecked(&conn->serial),
-+ atomic_read_unchecked(&conn->hi_serial));
-
- return 0;
- }
-diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c
-index 92df566..87ec1bf 100644
---- a/net/rxrpc/ar-transport.c
-+++ b/net/rxrpc/ar-transport.c
-@@ -47,7 +47,7 @@ static struct rxrpc_transport *rxrpc_alloc_transport(struct rxrpc_local *local,
- spin_lock_init(&trans->client_lock);
- rwlock_init(&trans->conn_lock);
- atomic_set(&trans->usage, 1);
-- trans->debug_id = atomic_inc_return(&rxrpc_debug_id);
-+ trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
-
- if (peer->srx.transport.family == AF_INET) {
- switch (peer->srx.transport_type) {
-diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
-index f226709..0e735a8 100644
---- a/net/rxrpc/rxkad.c
-+++ b/net/rxrpc/rxkad.c
-@@ -610,7 +610,7 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn)
-
- len = iov[0].iov_len + iov[1].iov_len;
-
-- hdr.serial = htonl(atomic_inc_return(&conn->serial));
-+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
- _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial));
-
- ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
-@@ -660,7 +660,7 @@ static int rxkad_send_response(struct rxrpc_connection *conn,
-
- len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len;
-
-- hdr->serial = htonl(atomic_inc_return(&conn->serial));
-+ hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial));
- _proto("Tx RESPONSE %%%u", ntohl(hdr->serial));
-
- ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len);
-diff --git a/net/sctp/proc.c b/net/sctp/proc.c
-index 1e2eee8..ce3967e 100644
---- a/net/sctp/proc.c
-+++ b/net/sctp/proc.c
-@@ -319,7 +319,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
- seq_printf(seq,
- "%8pK %8pK %-3d %-3d %-2d %-4d "
- "%4d %8d %8d %7d %5lu %-5d %5d ",
-- assoc, sk, sctp_sk(sk)->type, sk->sk_state,
-+ assoc, sk,
-+ sctp_sk(sk)->type, sk->sk_state,
- assoc->state, hash,
- assoc->assoc_id,
- assoc->sndbuf_used,
-diff --git a/net/sctp/socket.c b/net/sctp/socket.c
-index 31c7bfc..bc380ae 100644
---- a/net/sctp/socket.c
-+++ b/net/sctp/socket.c
-@@ -4577,7 +4577,7 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
- addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
- if (space_left < addrlen)
- return -ENOMEM;
-- if (copy_to_user(to, &temp, addrlen))
-+ if (addrlen > sizeof(temp) || copy_to_user(to, &temp, addrlen))
- return -EFAULT;
- to += addrlen;
- cnt++;
-diff --git a/net/socket.c b/net/socket.c
-index 0452dca..5af9802 100644
---- a/net/socket.c
-+++ b/net/socket.c
-@@ -88,6 +88,7 @@
- #include <linux/nsproxy.h>
- #include <linux/magic.h>
- #include <linux/slab.h>
-+#include <linux/in.h>
-
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-@@ -105,6 +106,8 @@
- #include <linux/sockios.h>
- #include <linux/atalk.h>
-
-+#include <linux/grsock.h>
-+
- static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
- static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t pos);
-@@ -321,7 +324,7 @@ static struct dentry *sockfs_mount(struct file_system_type *fs_type,
- &sockfs_dentry_operations, SOCKFS_MAGIC);
- }
-
--static struct vfsmount *sock_mnt __read_mostly;
-+struct vfsmount *sock_mnt __read_mostly;
-
- static struct file_system_type sock_fs_type = {
- .name = "sockfs",
-@@ -1210,6 +1213,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
- return -EAFNOSUPPORT;
- if (type < 0 || type >= SOCK_MAX)
- return -EINVAL;
-+ if (protocol < 0)
-+ return -EINVAL;
-
- /* Compatibility.
-
-@@ -1341,6 +1346,16 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol)
- if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
- flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
-
-+ if(!gr_search_socket(family, type, protocol)) {
-+ retval = -EACCES;
-+ goto out;
-+ }
-+
-+ if (gr_handle_sock_all(family, type, protocol)) {
-+ retval = -EACCES;
-+ goto out;
-+ }
-+
- retval = sock_create(family, type, protocol, &sock);
- if (retval < 0)
- goto out;
-@@ -1453,6 +1468,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
- if (sock) {
- err = move_addr_to_kernel(umyaddr, addrlen, &address);
- if (err >= 0) {
-+ if (gr_handle_sock_server((struct sockaddr *)&address)) {
-+ err = -EACCES;
-+ goto error;
-+ }
-+ err = gr_search_bind(sock, (struct sockaddr_in *)&address);
-+ if (err)
-+ goto error;
-+
- err = security_socket_bind(sock,
- (struct sockaddr *)&address,
- addrlen);
-@@ -1461,6 +1484,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
- (struct sockaddr *)
- &address, addrlen);
- }
-+error:
- fput_light(sock->file, fput_needed);
- }
- return err;
-@@ -1484,10 +1508,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog)
- if ((unsigned int)backlog > somaxconn)
- backlog = somaxconn;
-
-+ if (gr_handle_sock_server_other(sock->sk)) {
-+ err = -EPERM;
-+ goto error;
-+ }
-+
-+ err = gr_search_listen(sock);
-+ if (err)
-+ goto error;
-+
- err = security_socket_listen(sock, backlog);
- if (!err)
- err = sock->ops->listen(sock, backlog);
-
-+error:
- fput_light(sock->file, fput_needed);
- }
- return err;
-@@ -1531,6 +1565,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
- newsock->type = sock->type;
- newsock->ops = sock->ops;
-
-+ if (gr_handle_sock_server_other(sock->sk)) {
-+ err = -EPERM;
-+ sock_release(newsock);
-+ goto out_put;
-+ }
-+
-+ err = gr_search_accept(sock);
-+ if (err) {
-+ sock_release(newsock);
-+ goto out_put;
-+ }
-+
- /*
- * We don't need try_module_get here, as the listening socket (sock)
- * has the protocol module (sock->ops->owner) held.
-@@ -1569,6 +1615,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
- fd_install(newfd, newfile);
- err = newfd;
-
-+ gr_attach_curr_ip(newsock->sk);
-+
- out_put:
- fput_light(sock->file, fput_needed);
- out:
-@@ -1601,6 +1649,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
- int, addrlen)
- {
- struct socket *sock;
-+ struct sockaddr *sck;
- struct sockaddr_storage address;
- int err, fput_needed;
-
-@@ -1611,6 +1660,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
- if (err < 0)
- goto out_put;
-
-+ sck = (struct sockaddr *)&address;
-+
-+ if (gr_handle_sock_client(sck)) {
-+ err = -EACCES;
-+ goto out_put;
-+ }
-+
-+ err = gr_search_connect(sock, (struct sockaddr_in *)sck);
-+ if (err)
-+ goto out_put;
-+
- err =
- security_socket_connect(sock, (struct sockaddr *)&address, addrlen);
- if (err)
-@@ -1965,7 +2025,7 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
- * checking falls down on this.
- */
- if (copy_from_user(ctl_buf,
-- (void __user __force *)msg_sys->msg_control,
-+ (void __force_user *)msg_sys->msg_control,
- ctl_len))
- goto out_freectl;
- msg_sys->msg_control = ctl_buf;
-@@ -2133,7 +2193,7 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
- * kernel msghdr to use the kernel address space)
- */
-
-- uaddr = (__force void __user *)msg_sys->msg_name;
-+ uaddr = (void __force_user *)msg_sys->msg_name;
- uaddr_len = COMPAT_NAMELEN(msg);
- if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
-@@ -2605,7 +2665,7 @@ static int do_siocgstamp(struct net *net, struct socket *sock,
- err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
- set_fs(old_fs);
- if (!err)
-- err = compat_put_timeval(up, &ktv);
-+ err = compat_put_timeval(&ktv, up);
-
- return err;
- }
-@@ -2621,7 +2681,7 @@ static int do_siocgstampns(struct net *net, struct socket *sock,
- err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
- set_fs(old_fs);
- if (!err)
-- err = compat_put_timespec(up, &kts);
-+ err = compat_put_timespec(&kts, up);
-
- return err;
- }
-@@ -2658,6 +2718,7 @@ static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
- if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
- return -EFAULT;
-
-+ memset(&ifc, 0, sizeof(ifc));
- if (ifc32.ifcbuf == 0) {
- ifc32.ifc_len = 0;
- ifc.ifc_len = 0;
-@@ -2761,7 +2822,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
- }
-
- ifr = compat_alloc_user_space(buf_size);
-- rxnfc = (void *)ifr + ALIGN(sizeof(struct ifreq), 8);
-+ rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8);
-
- if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
- return -EFAULT;
-@@ -2785,12 +2846,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
- offsetof(struct ethtool_rxnfc, fs.ring_cookie));
-
- if (copy_in_user(rxnfc, compat_rxnfc,
-- (void *)(&rxnfc->fs.m_ext + 1) -
-- (void *)rxnfc) ||
-+ (void __user *)(&rxnfc->fs.m_ext + 1) -
-+ (void __user *)rxnfc) ||
- copy_in_user(&rxnfc->fs.ring_cookie,
- &compat_rxnfc->fs.ring_cookie,
-- (void *)(&rxnfc->fs.location + 1) -
-- (void *)&rxnfc->fs.ring_cookie) ||
-+ (void __user *)(&rxnfc->fs.location + 1) -
-+ (void __user *)&rxnfc->fs.ring_cookie) ||
- copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
- sizeof(rxnfc->rule_cnt)))
- return -EFAULT;
-@@ -2802,12 +2863,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
-
- if (convert_out) {
- if (copy_in_user(compat_rxnfc, rxnfc,
-- (const void *)(&rxnfc->fs.m_ext + 1) -
-- (const void *)rxnfc) ||
-+ (const void __user *)(&rxnfc->fs.m_ext + 1) -
-+ (const void __user *)rxnfc) ||
- copy_in_user(&compat_rxnfc->fs.ring_cookie,
- &rxnfc->fs.ring_cookie,
-- (const void *)(&rxnfc->fs.location + 1) -
-- (const void *)&rxnfc->fs.ring_cookie) ||
-+ (const void __user *)(&rxnfc->fs.location + 1) -
-+ (const void __user *)&rxnfc->fs.ring_cookie) ||
- copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt,
- sizeof(rxnfc->rule_cnt)))
- return -EFAULT;
-@@ -2877,7 +2938,7 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- err = dev_ioctl(net, cmd,
-- (struct ifreq __user __force *) &kifr);
-+ (struct ifreq __force_user *) &kifr);
- set_fs(old_fs);
-
- return err;
-@@ -2986,7 +3047,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-- err = dev_ioctl(net, cmd, (void __user __force *)&ifr);
-+ err = dev_ioctl(net, cmd, (void __force_user *)&ifr);
- set_fs(old_fs);
-
- if (cmd == SIOCGIFMAP && !err) {
-@@ -3091,7 +3152,7 @@ static int routing_ioctl(struct net *net, struct socket *sock,
- ret |= __get_user(rtdev, &(ur4->rt_dev));
- if (rtdev) {
- ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
-- r4.rt_dev = (char __user __force *)devname;
-+ r4.rt_dev = (char __force_user *)devname;
- devname[15] = 0;
- } else
- r4.rt_dev = NULL;
-@@ -3317,8 +3378,8 @@ int kernel_getsockopt(struct socket *sock, int level, int optname,
- int __user *uoptlen;
- int err;
-
-- uoptval = (char __user __force *) optval;
-- uoptlen = (int __user __force *) optlen;
-+ uoptval = (char __force_user *) optval;
-+ uoptlen = (int __force_user *) optlen;
-
- set_fs(KERNEL_DS);
- if (level == SOL_SOCKET)
-@@ -3338,7 +3399,7 @@ int kernel_setsockopt(struct socket *sock, int level, int optname,
- char __user *uoptval;
- int err;
-
-- uoptval = (char __user __force *) optval;
-+ uoptval = (char __force_user *) optval;
-
- set_fs(KERNEL_DS);
- if (level == SOL_SOCKET)
-diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
-index eda32ae..1c9fa7c 100644
---- a/net/sunrpc/sched.c
-+++ b/net/sunrpc/sched.c
-@@ -240,9 +240,9 @@ static int rpc_wait_bit_killable(void *word)
- #ifdef RPC_DEBUG
- static void rpc_task_set_debuginfo(struct rpc_task *task)
- {
-- static atomic_t rpc_pid;
-+ static atomic_unchecked_t rpc_pid;
-
-- task->tk_pid = atomic_inc_return(&rpc_pid);
-+ task->tk_pid = atomic_inc_return_unchecked(&rpc_pid);
- }
- #else
- static inline void rpc_task_set_debuginfo(struct rpc_task *task)
-diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
-index 8343737..677025e 100644
---- a/net/sunrpc/xprtrdma/svc_rdma.c
-+++ b/net/sunrpc/xprtrdma/svc_rdma.c
-@@ -62,15 +62,15 @@ unsigned int svcrdma_max_req_size = RPCRDMA_MAX_REQ_SIZE;
- static unsigned int min_max_inline = 4096;
- static unsigned int max_max_inline = 65536;
-
--atomic_t rdma_stat_recv;
--atomic_t rdma_stat_read;
--atomic_t rdma_stat_write;
--atomic_t rdma_stat_sq_starve;
--atomic_t rdma_stat_rq_starve;
--atomic_t rdma_stat_rq_poll;
--atomic_t rdma_stat_rq_prod;
--atomic_t rdma_stat_sq_poll;
--atomic_t rdma_stat_sq_prod;
-+atomic_unchecked_t rdma_stat_recv;
-+atomic_unchecked_t rdma_stat_read;
-+atomic_unchecked_t rdma_stat_write;
-+atomic_unchecked_t rdma_stat_sq_starve;
-+atomic_unchecked_t rdma_stat_rq_starve;
-+atomic_unchecked_t rdma_stat_rq_poll;
-+atomic_unchecked_t rdma_stat_rq_prod;
-+atomic_unchecked_t rdma_stat_sq_poll;
-+atomic_unchecked_t rdma_stat_sq_prod;
-
- /* Temporary NFS request map and context caches */
- struct kmem_cache *svc_rdma_map_cachep;
-@@ -110,7 +110,7 @@ static int read_reset_stat(ctl_table *table, int write,
- len -= *ppos;
- if (len > *lenp)
- len = *lenp;
-- if (len && copy_to_user(buffer, str_buf, len))
-+ if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len)))
- return -EFAULT;
- *lenp = len;
- *ppos += len;
-@@ -151,63 +151,63 @@ static ctl_table svcrdma_parm_table[] = {
- {
- .procname = "rdma_stat_read",
- .data = &rdma_stat_read,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_recv",
- .data = &rdma_stat_recv,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_write",
- .data = &rdma_stat_write,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_sq_starve",
- .data = &rdma_stat_sq_starve,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_rq_starve",
- .data = &rdma_stat_rq_starve,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_rq_poll",
- .data = &rdma_stat_rq_poll,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_rq_prod",
- .data = &rdma_stat_rq_prod,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_sq_poll",
- .data = &rdma_stat_sq_poll,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
- {
- .procname = "rdma_stat_sq_prod",
- .data = &rdma_stat_sq_prod,
-- .maxlen = sizeof(atomic_t),
-+ .maxlen = sizeof(atomic_unchecked_t),
- .mode = 0644,
- .proc_handler = read_reset_stat,
- },
-diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
-index 41cb63b..c4a1489 100644
---- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
-+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
-@@ -501,7 +501,7 @@ next_sge:
- svc_rdma_put_context(ctxt, 0);
- goto out;
- }
-- atomic_inc(&rdma_stat_read);
-+ atomic_inc_unchecked(&rdma_stat_read);
-
- if (read_wr.num_sge < chl_map->ch[ch_no].count) {
- chl_map->ch[ch_no].count -= read_wr.num_sge;
-@@ -611,7 +611,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
- dto_q);
- list_del_init(&ctxt->dto_q);
- } else {
-- atomic_inc(&rdma_stat_rq_starve);
-+ atomic_inc_unchecked(&rdma_stat_rq_starve);
- clear_bit(XPT_DATA, &xprt->xpt_flags);
- ctxt = NULL;
- }
-@@ -631,7 +631,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
- dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n",
- ctxt, rdma_xprt, rqstp, ctxt->wc_status);
- BUG_ON(ctxt->wc_status != IB_WC_SUCCESS);
-- atomic_inc(&rdma_stat_recv);
-+ atomic_inc_unchecked(&rdma_stat_recv);
-
- /* Build up the XDR from the receive buffers. */
- rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len);
-diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
-index 42eb7ba..c887c45 100644
---- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
-+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
-@@ -362,7 +362,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
- write_wr.wr.rdma.remote_addr = to;
-
- /* Post It */
-- atomic_inc(&rdma_stat_write);
-+ atomic_inc_unchecked(&rdma_stat_write);
- if (svc_rdma_send(xprt, &write_wr))
- goto err;
- return 0;
-diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
-index 73b428b..5f3f8f3 100644
---- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
-+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
-@@ -292,7 +292,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
- return;
-
- ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP);
-- atomic_inc(&rdma_stat_rq_poll);
-+ atomic_inc_unchecked(&rdma_stat_rq_poll);
-
- while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) {
- ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id;
-@@ -314,7 +314,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
- }
-
- if (ctxt)
-- atomic_inc(&rdma_stat_rq_prod);
-+ atomic_inc_unchecked(&rdma_stat_rq_prod);
-
- set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
- /*
-@@ -386,7 +386,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
- return;
-
- ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP);
-- atomic_inc(&rdma_stat_sq_poll);
-+ atomic_inc_unchecked(&rdma_stat_sq_poll);
- while ((ret = ib_poll_cq(cq, 1, &wc)) > 0) {
- if (wc.status != IB_WC_SUCCESS)
- /* Close the transport */
-@@ -404,7 +404,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
- }
-
- if (ctxt)
-- atomic_inc(&rdma_stat_sq_prod);
-+ atomic_inc_unchecked(&rdma_stat_sq_prod);
- }
-
- static void sq_comp_handler(struct ib_cq *cq, void *cq_context)
-@@ -1266,7 +1266,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
- spin_lock_bh(&xprt->sc_lock);
- if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) {
- spin_unlock_bh(&xprt->sc_lock);
-- atomic_inc(&rdma_stat_sq_starve);
-+ atomic_inc_unchecked(&rdma_stat_sq_starve);
-
- /* See if we can opportunistically reap SQ WR to make room */
- sq_cq_reap(xprt);
-diff --git a/net/sysctl_net.c b/net/sysctl_net.c
-index e3a6e37..be2ea77 100644
---- a/net/sysctl_net.c
-+++ b/net/sysctl_net.c
-@@ -43,7 +43,7 @@ static int net_ctl_permissions(struct ctl_table_root *root,
- struct ctl_table *table)
- {
- /* Allow network administrator to have same access as root. */
-- if (capable(CAP_NET_ADMIN)) {
-+ if (capable_nolog(CAP_NET_ADMIN)) {
- int mode = (table->mode >> 6) & 7;
- return (mode << 6) | (mode << 3) | mode;
- }
-diff --git a/net/tipc/link.c b/net/tipc/link.c
-index 7a614f4..b14dbd2 100644
---- a/net/tipc/link.c
-+++ b/net/tipc/link.c
-@@ -1164,7 +1164,7 @@ static int link_send_sections_long(struct tipc_port *sender,
- struct tipc_msg fragm_hdr;
- struct sk_buff *buf, *buf_chain, *prev;
- u32 fragm_crs, fragm_rest, hsz, sect_rest;
-- const unchar *sect_crs;
-+ const unchar __user *sect_crs;
- int curr_sect;
- u32 fragm_no;
-
-@@ -1205,7 +1205,7 @@ again:
-
- if (!sect_rest) {
- sect_rest = msg_sect[++curr_sect].iov_len;
-- sect_crs = (const unchar *)msg_sect[curr_sect].iov_base;
-+ sect_crs = (const unchar __user *)msg_sect[curr_sect].iov_base;
- }
-
- if (sect_rest < fragm_rest)
-@@ -1224,7 +1224,7 @@ error:
- }
- } else
- skb_copy_to_linear_data_offset(buf, fragm_crs,
-- sect_crs, sz);
-+ (const void __force_kernel *)sect_crs, sz);
- sect_crs += sz;
- sect_rest -= sz;
- fragm_crs += sz;
-diff --git a/net/tipc/msg.c b/net/tipc/msg.c
-index deea0d2..fa13bd7 100644
---- a/net/tipc/msg.c
-+++ b/net/tipc/msg.c
-@@ -98,7 +98,7 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
- msg_sect[cnt].iov_len);
- else
- skb_copy_to_linear_data_offset(*buf, pos,
-- msg_sect[cnt].iov_base,
-+ (const void __force_kernel *)msg_sect[cnt].iov_base,
- msg_sect[cnt].iov_len);
- pos += msg_sect[cnt].iov_len;
- }
-diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
-index f976e9cd..560d055 100644
---- a/net/tipc/subscr.c
-+++ b/net/tipc/subscr.c
-@@ -96,7 +96,7 @@ static void subscr_send_event(struct tipc_subscription *sub,
- {
- struct iovec msg_sect;
-
-- msg_sect.iov_base = (void *)&sub->evt;
-+ msg_sect.iov_base = (void __force_user *)&sub->evt;
- msg_sect.iov_len = sizeof(struct tipc_event);
-
- sub->evt.event = htohl(event, sub->swap);
-diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
-index 641f2e4..590bb48 100644
---- a/net/unix/af_unix.c
-+++ b/net/unix/af_unix.c
-@@ -780,6 +780,12 @@ static struct sock *unix_find_other(struct net *net,
- err = -ECONNREFUSED;
- if (!S_ISSOCK(inode->i_mode))
- goto put_fail;
-+
-+ if (!gr_acl_handle_unix(path.dentry, path.mnt)) {
-+ err = -EACCES;
-+ goto put_fail;
-+ }
-+
- u = unix_find_socket_byinode(inode);
- if (!u)
- goto put_fail;
-@@ -800,6 +806,13 @@ static struct sock *unix_find_other(struct net *net,
- if (u) {
- struct dentry *dentry;
- dentry = unix_sk(u)->path.dentry;
-+
-+ if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) {
-+ err = -EPERM;
-+ sock_put(u);
-+ goto fail;
-+ }
-+
- if (dentry)
- touch_atime(&unix_sk(u)->path);
- } else
-@@ -882,11 +895,18 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
- err = security_path_mknod(&path, dentry, mode, 0);
- if (err)
- goto out_mknod_drop_write;
-+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
-+ err = -EACCES;
-+ goto out_mknod_drop_write;
-+ }
- err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
- out_mknod_drop_write:
- mnt_drop_write(path.mnt);
- if (err)
- goto out_mknod_dput;
-+
-+ gr_handle_create(dentry, path.mnt);
-+
- mutex_unlock(&path.dentry->d_inode->i_mutex);
- dput(path.dentry);
- path.dentry = dentry;
-@@ -1448,7 +1468,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
- if (NULL == siocb->scm)
- siocb->scm = &tmp_scm;
- wait_for_unix_gc();
-- err = scm_send(sock, msg, siocb->scm);
-+ err = scm_send(sock, msg, siocb->scm, false);
- if (err < 0)
- return err;
-
-@@ -1617,7 +1637,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
- if (NULL == siocb->scm)
- siocb->scm = &tmp_scm;
- wait_for_unix_gc();
-- err = scm_send(sock, msg, siocb->scm);
-+ err = scm_send(sock, msg, siocb->scm, false);
- if (err < 0)
- return err;
-
-diff --git a/net/wireless/core.h b/net/wireless/core.h
-index bc686ef..27845e6 100644
---- a/net/wireless/core.h
-+++ b/net/wireless/core.h
-@@ -27,7 +27,7 @@ struct cfg80211_registered_device {
- struct mutex mtx;
-
- /* rfkill support */
-- struct rfkill_ops rfkill_ops;
-+ rfkill_ops_no_const rfkill_ops;
- struct rfkill *rfkill;
- struct work_struct rfkill_sync;
-
-diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
-index b0eb7aa..7d73e82 100644
---- a/net/wireless/wext-core.c
-+++ b/net/wireless/wext-core.c
-@@ -748,8 +748,7 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
- */
-
- /* Support for very large requests */
-- if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
-- (user_length > descr->max_tokens)) {
-+ if (user_length > descr->max_tokens) {
- /* Allow userspace to GET more than max so
- * we can support any size GET requests.
- * There is still a limit : -ENOMEM.
-@@ -788,22 +787,6 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
- }
- }
-
-- if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) {
-- /*
-- * If this is a GET, but not NOMAX, it means that the extra
-- * data is not bounded by userspace, but by max_tokens. Thus
-- * set the length to max_tokens. This matches the extra data
-- * allocation.
-- * The driver should fill it with the number of tokens it
-- * provided, and it may check iwp->length rather than having
-- * knowledge of max_tokens. If the driver doesn't change the
-- * iwp->length, this ioctl just copies back max_token tokens
-- * filled with zeroes. Hopefully the driver isn't claiming
-- * them to be valid data.
-- */
-- iwp->length = descr->max_tokens;
-- }
--
- err = handler(dev, info, (union iwreq_data *) iwp, extra);
-
- iwp->length += essid_compat;
-diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
-index ccfbd32..9b61cf9f 100644
---- a/net/xfrm/xfrm_policy.c
-+++ b/net/xfrm/xfrm_policy.c
-@@ -300,7 +300,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy)
- {
- policy->walk.dead = 1;
-
-- atomic_inc(&policy->genid);
-+ atomic_inc_unchecked(&policy->genid);
-
- if (del_timer(&policy->timer))
- xfrm_pol_put(policy);
-@@ -584,7 +584,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
- hlist_add_head(&policy->bydst, chain);
- xfrm_pol_hold(policy);
- net->xfrm.policy_count[dir]++;
-- atomic_inc(&flow_cache_genid);
-+ atomic_inc_unchecked(&flow_cache_genid);
- if (delpol)
- __xfrm_policy_unlink(delpol, dir);
- policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir);
-@@ -1532,7 +1532,7 @@ free_dst:
- goto out;
- }
-
--static int inline
-+static inline int
- xfrm_dst_alloc_copy(void **target, const void *src, int size)
- {
- if (!*target) {
-@@ -1544,7 +1544,7 @@ xfrm_dst_alloc_copy(void **target, const void *src, int size)
- return 0;
- }
-
--static int inline
-+static inline int
- xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel)
- {
- #ifdef CONFIG_XFRM_SUB_POLICY
-@@ -1556,7 +1556,7 @@ xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel)
- #endif
- }
-
--static int inline
-+static inline int
- xfrm_dst_update_origin(struct dst_entry *dst, const struct flowi *fl)
- {
- #ifdef CONFIG_XFRM_SUB_POLICY
-@@ -1650,7 +1650,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
-
- xdst->num_pols = num_pols;
- memcpy(xdst->pols, pols, sizeof(struct xfrm_policy*) * num_pols);
-- xdst->policy_genid = atomic_read(&pols[0]->genid);
-+ xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid);
-
- return xdst;
- }
-@@ -2350,7 +2350,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first)
- if (xdst->xfrm_genid != dst->xfrm->genid)
- return 0;
- if (xdst->num_pols > 0 &&
-- xdst->policy_genid != atomic_read(&xdst->pols[0]->genid))
-+ xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid))
- return 0;
-
- mtu = dst_mtu(dst->child);
-@@ -2887,7 +2887,7 @@ static int xfrm_policy_migrate(struct xfrm_policy *pol,
- sizeof(pol->xfrm_vec[i].saddr));
- pol->xfrm_vec[i].encap_family = mp->new_family;
- /* flush bundles */
-- atomic_inc(&pol->genid);
-+ atomic_inc_unchecked(&pol->genid);
- }
- }
-
-diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
-index 5b228f9..6aca4e3 100644
---- a/net/xfrm/xfrm_state.c
-+++ b/net/xfrm/xfrm_state.c
-@@ -1981,8 +1981,10 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay)
- goto error;
-
- x->outer_mode = xfrm_get_mode(x->props.mode, family);
-- if (x->outer_mode == NULL)
-+ if (x->outer_mode == NULL) {
-+ err = -EPROTONOSUPPORT;
- goto error;
-+ }
-
- if (init_replay) {
- err = xfrm_init_replay(x);
-diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
-index 44293b3..be1d3e58 100644
---- a/net/xfrm/xfrm_user.c
-+++ b/net/xfrm/xfrm_user.c
-@@ -1413,6 +1413,7 @@ static int copy_to_user_tmpl(struct xfrm_policy *xp, struct sk_buff *skb)
- struct xfrm_user_tmpl *up = &vec[i];
- struct xfrm_tmpl *kp = &xp->xfrm_vec[i];
-
-+ memset(up, 0, sizeof(*up));
- memcpy(&up->id, &kp->id, sizeof(up->id));
- up->family = kp->encap_family;
- memcpy(&up->saddr, &kp->saddr, sizeof(up->saddr));
-diff --git a/scripts/Makefile.build b/scripts/Makefile.build
-index ff1720d..ed8475e 100644
---- a/scripts/Makefile.build
-+++ b/scripts/Makefile.build
-@@ -111,7 +111,7 @@ endif
- endif
-
- # Do not include host rules unless needed
--ifneq ($(hostprogs-y)$(hostprogs-m),)
-+ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
- include scripts/Makefile.host
- endif
-
-diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
-index 686cb0d..9d653bf 100644
---- a/scripts/Makefile.clean
-+++ b/scripts/Makefile.clean
-@@ -43,7 +43,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
- __clean-files := $(extra-y) $(always) \
- $(targets) $(clean-files) \
- $(host-progs) \
-- $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
-+ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
-+ $(hostlibs-y) $(hostlibs-m) $(hostlibs-)
-
- __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
-
-diff --git a/scripts/Makefile.host b/scripts/Makefile.host
-index 1ac414f..38575f7 100644
---- a/scripts/Makefile.host
-+++ b/scripts/Makefile.host
-@@ -31,6 +31,8 @@
- # Note: Shared libraries consisting of C++ files are not supported
-
- __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
-+__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m))
-+__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
-
- # C code
- # Executables compiled from a single .c file
-@@ -54,11 +56,15 @@ host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
- # Shared libaries (only .c supported)
- # Shared libraries (.so) - all .so files referenced in "xxx-objs"
- host-cshlib := $(sort $(filter %.so, $(host-cobjs)))
-+host-cshlib += $(sort $(filter %.so, $(__hostlibs)))
-+host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs)))
- # Remove .so files from "xxx-objs"
- host-cobjs := $(filter-out %.so,$(host-cobjs))
-+host-cxxobjs := $(filter-out %.so,$(host-cxxobjs))
-
--#Object (.o) files used by the shared libaries
-+# Object (.o) files used by the shared libaries
- host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
-+host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
-
- # output directory for programs/.o files
- # hostprogs-y := tools/build may have been specified. Retrieve directory
-@@ -82,7 +88,9 @@ host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
- host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti))
- host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
- host-cshlib := $(addprefix $(obj)/,$(host-cshlib))
-+host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib))
- host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs))
-+host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs))
- host-objdirs := $(addprefix $(obj)/,$(host-objdirs))
-
- obj-dirs += $(host-objdirs)
-@@ -156,6 +164,13 @@ quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
- $(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
- $(call if_changed_dep,host-cshobjs)
-
-+# Compile .c file, create position independent .o file
-+# host-cxxshobjs -> .o
-+quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
-+ cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
-+$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
-+ $(call if_changed_dep,host-cxxshobjs)
-+
- # Link a shared library, based on position independent .o files
- # *.o -> .so shared library (host-cshlib)
- quiet_cmd_host-cshlib = HOSTLLD -shared $@
-@@ -165,6 +180,15 @@ quiet_cmd_host-cshlib = HOSTLLD -shared $@
- $(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
- $(call if_changed,host-cshlib)
-
-+# Link a shared library, based on position independent .o files
-+# *.o -> .so shared library (host-cxxshlib)
-+quiet_cmd_host-cxxshlib = HOSTLLD -shared $@
-+ cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \
-+ $(addprefix $(obj)/,$($(@F:.so=-objs))) \
-+ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-+$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE
-+ $(call if_changed,host-cxxshlib)
-+
- targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\
-- $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs)
-+ $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs)
-
-diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
-index cb1f50c..cef2a7c 100644
---- a/scripts/basic/fixdep.c
-+++ b/scripts/basic/fixdep.c
-@@ -161,7 +161,7 @@ static unsigned int strhash(const char *str, unsigned int sz)
- /*
- * Lookup a value in the configuration string.
- */
--static int is_defined_config(const char *name, int len, unsigned int hash)
-+static int is_defined_config(const char *name, unsigned int len, unsigned int hash)
- {
- struct item *aux;
-
-@@ -211,10 +211,10 @@ static void clear_config(void)
- /*
- * Record the use of a CONFIG_* word.
- */
--static void use_config(const char *m, int slen)
-+static void use_config(const char *m, unsigned int slen)
- {
- unsigned int hash = strhash(m, slen);
-- int c, i;
-+ unsigned int c, i;
-
- if (is_defined_config(m, slen, hash))
- return;
-@@ -235,9 +235,9 @@ static void use_config(const char *m, int slen)
-
- static void parse_config_file(const char *map, size_t len)
- {
-- const int *end = (const int *) (map + len);
-+ const unsigned int *end = (const unsigned int *) (map + len);
- /* start at +1, so that p can never be < map */
-- const int *m = (const int *) map + 1;
-+ const unsigned int *m = (const unsigned int *) map + 1;
- const char *p, *q;
-
- for (; m < end; m++) {
-@@ -406,7 +406,7 @@ static void print_deps(void)
- static void traps(void)
- {
- static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
-- int *p = (int *)test;
-+ unsigned int *p = (unsigned int *)test;
-
- if (*p != INT_CONF) {
- fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
-diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh
-new file mode 100644
-index 0000000..008ac1a
---- /dev/null
-+++ b/scripts/gcc-plugin.sh
-@@ -0,0 +1,17 @@
-+#!/bin/bash
-+plugincc=`$1 -x c -shared - -o /dev/null -I\`$3 -print-file-name=plugin\`/include 2>&1 <<EOF
-+#include "gcc-plugin.h"
-+#include "tree.h"
-+#include "tm.h"
-+#include "rtl.h"
-+#ifdef ENABLE_BUILD_WITH_CXX
-+#warning $2
-+#else
-+#warning $1
-+#endif
-+EOF`
-+if [ $? -eq 0 ]
-+then
-+ [[ "$plugincc" =~ "$1" ]] && echo "$1"
-+ [[ "$plugincc" =~ "$2" ]] && echo "$2"
-+fi
-diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
-index cd9c6c6..0c8f0fa 100644
---- a/scripts/link-vmlinux.sh
-+++ b/scripts/link-vmlinux.sh
-@@ -147,7 +147,7 @@ else
- fi;
-
- # final build of init/
--${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
-+${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" GCC_PLUGINS_AFLAGS="${GCC_PLUGINS_AFLAGS}"
-
- kallsymso=""
- kallsyms_vmlinux=""
-diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
-index 5759751..b170367 100644
---- a/scripts/mod/file2alias.c
-+++ b/scripts/mod/file2alias.c
-@@ -128,7 +128,7 @@ static void device_id_check(const char *modname, const char *device_id,
- unsigned long size, unsigned long id_size,
- void *symval)
- {
-- int i;
-+ unsigned int i;
-
- if (size % id_size || size < id_size) {
- if (cross_build != 0)
-@@ -158,7 +158,7 @@ static void device_id_check(const char *modname, const char *device_id,
- /* USB is special because the bcdDevice can be matched against a numeric range */
- /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
- static void do_usb_entry(struct usb_device_id *id,
-- unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
-+ unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits,
- unsigned char range_lo, unsigned char range_hi,
- unsigned char max, struct module *mod)
- {
-@@ -259,7 +259,7 @@ static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
- {
- unsigned int devlo, devhi;
- unsigned char chi, clo, max;
-- int ndigits;
-+ unsigned int ndigits;
-
- id->match_flags = TO_NATIVE(id->match_flags);
- id->idVendor = TO_NATIVE(id->idVendor);
-@@ -504,7 +504,7 @@ static void do_pnp_device_entry(void *symval, unsigned long size,
- for (i = 0; i < count; i++) {
- const char *id = (char *)devs[i].id;
- char acpi_id[sizeof(devs[0].id)];
-- int j;
-+ unsigned int j;
-
- buf_printf(&mod->dev_table_buf,
- "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
-@@ -534,7 +534,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
-
- for (j = 0; j < PNP_MAX_DEVICES; j++) {
- const char *id = (char *)card->devs[j].id;
-- int i2, j2;
-+ unsigned int i2, j2;
- int dup = 0;
-
- if (!id[0])
-@@ -560,7 +560,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
- /* add an individual alias for every device entry */
- if (!dup) {
- char acpi_id[sizeof(card->devs[0].id)];
-- int k;
-+ unsigned int k;
-
- buf_printf(&mod->dev_table_buf,
- "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
-@@ -885,7 +885,7 @@ static void dmi_ascii_filter(char *d, const char *s)
- static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
- char *alias)
- {
-- int i, j;
-+ unsigned int i, j;
-
- sprintf(alias, "dmi*");
-
-diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
-index 0f84bb3..2d42035 100644
---- a/scripts/mod/modpost.c
-+++ b/scripts/mod/modpost.c
-@@ -925,6 +925,7 @@ enum mismatch {
- ANY_INIT_TO_ANY_EXIT,
- ANY_EXIT_TO_ANY_INIT,
- EXPORT_TO_INIT_EXIT,
-+ DATA_TO_TEXT
- };
-
- struct sectioncheck {
-@@ -1033,6 +1034,12 @@ const struct sectioncheck sectioncheck[] = {
- .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL },
- .mismatch = EXPORT_TO_INIT_EXIT,
- .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
-+},
-+/* Do not reference code from writable data */
-+{
-+ .fromsec = { DATA_SECTIONS, NULL },
-+ .tosec = { TEXT_SECTIONS, NULL },
-+ .mismatch = DATA_TO_TEXT
- }
- };
-
-@@ -1155,10 +1162,10 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
- continue;
- if (ELF_ST_TYPE(sym->st_info) == STT_SECTION)
- continue;
-- if (sym->st_value == addr)
-- return sym;
- /* Find a symbol nearby - addr are maybe negative */
- d = sym->st_value - addr;
-+ if (d == 0)
-+ return sym;
- if (d < 0)
- d = addr - sym->st_value;
- if (d < distance) {
-@@ -1437,6 +1444,14 @@ static void report_sec_mismatch(const char *modname,
- tosym, prl_to, prl_to, tosym);
- free(prl_to);
- break;
-+ case DATA_TO_TEXT:
-+#if 0
-+ fprintf(stderr,
-+ "The %s %s:%s references\n"
-+ "the %s %s:%s%s\n",
-+ from, fromsec, fromsym, to, tosec, tosym, to_p);
-+#endif
-+ break;
- }
- fprintf(stderr, "\n");
- }
-@@ -1671,7 +1686,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
- static void check_sec_ref(struct module *mod, const char *modname,
- struct elf_info *elf)
- {
-- int i;
-+ unsigned int i;
- Elf_Shdr *sechdrs = elf->sechdrs;
-
- /* Walk through all sections */
-@@ -1769,7 +1784,7 @@ void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf,
- va_end(ap);
- }
-
--void buf_write(struct buffer *buf, const char *s, int len)
-+void buf_write(struct buffer *buf, const char *s, unsigned int len)
- {
- if (buf->size - buf->pos < len) {
- buf->size += len + SZ;
-@@ -1987,7 +2002,7 @@ static void write_if_changed(struct buffer *b, const char *fname)
- if (fstat(fileno(file), &st) < 0)
- goto close_write;
-
-- if (st.st_size != b->pos)
-+ if (st.st_size != (off_t)b->pos)
- goto close_write;
-
- tmp = NOFAIL(malloc(b->pos));
-diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
-index 51207e4..f7d603d 100644
---- a/scripts/mod/modpost.h
-+++ b/scripts/mod/modpost.h
-@@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *expr);
-
- struct buffer {
- char *p;
-- int pos;
-- int size;
-+ unsigned int pos;
-+ unsigned int size;
- };
-
- void __attribute__((format(printf, 2, 3)))
- buf_printf(struct buffer *buf, const char *fmt, ...);
-
- void
--buf_write(struct buffer *buf, const char *s, int len);
-+buf_write(struct buffer *buf, const char *s, unsigned int len);
-
- struct module {
- struct module *next;
-diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
-index 9dfcd6d..099068e 100644
---- a/scripts/mod/sumversion.c
-+++ b/scripts/mod/sumversion.c
-@@ -470,7 +470,7 @@ static void write_version(const char *filename, const char *sum,
- goto out;
- }
-
-- if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) {
-+ if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) {
- warn("writing sum in %s failed: %s\n",
- filename, strerror(errno));
- goto out;
-diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c
-index 5c11312..72742b5 100644
---- a/scripts/pnmtologo.c
-+++ b/scripts/pnmtologo.c
-@@ -237,14 +237,14 @@ static void write_header(void)
- fprintf(out, " * Linux logo %s\n", logoname);
- fputs(" */\n\n", out);
- fputs("#include <linux/linux_logo.h>\n\n", out);
-- fprintf(out, "static unsigned char %s_data[] __initdata = {\n",
-+ fprintf(out, "static unsigned char %s_data[] = {\n",
- logoname);
- }
-
- static void write_footer(void)
- {
- fputs("\n};\n\n", out);
-- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname);
-+ fprintf(out, "const struct linux_logo %s = {\n", logoname);
- fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]);
- fprintf(out, "\t.width\t\t= %d,\n", logo_width);
- fprintf(out, "\t.height\t\t= %d,\n", logo_height);
-@@ -374,7 +374,7 @@ static void write_logo_clut224(void)
- fputs("\n};\n\n", out);
-
- /* write logo clut */
-- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n",
-+ fprintf(out, "static unsigned char %s_clut[] = {\n",
- logoname);
- write_hex_cnt = 0;
- for (i = 0; i < logo_clutsize; i++) {
-diff --git a/security/Kconfig b/security/Kconfig
-index e9c6ac7..58348f4 100644
---- a/security/Kconfig
-+++ b/security/Kconfig
-@@ -4,6 +4,888 @@
-
- menu "Security options"
-
-+menu "Grsecurity"
-+
-+ config ARCH_TRACK_EXEC_LIMIT
-+ bool
-+
-+ config PAX_KERNEXEC_PLUGIN
-+ bool
-+
-+ config PAX_PER_CPU_PGD
-+ bool
-+
-+ config TASK_SIZE_MAX_SHIFT
-+ int
-+ depends on X86_64
-+ default 47 if !PAX_PER_CPU_PGD
-+ default 42 if PAX_PER_CPU_PGD
-+
-+ config PAX_ENABLE_PAE
-+ bool
-+ default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM))
-+
-+ config PAX_USERCOPY_SLABS
-+ bool
-+
-+config GRKERNSEC
-+ bool "Grsecurity"
-+ select CRYPTO
-+ select CRYPTO_SHA256
-+ select PROC_FS
-+ select STOP_MACHINE
-+ help
-+ If you say Y here, you will be able to configure many features
-+ that will enhance the security of your system. It is highly
-+ recommended that you say Y here and read through the help
-+ for each option so that you fully understand the features and
-+ can evaluate their usefulness for your machine.
-+
-+choice
-+ prompt "Configuration Method"
-+ depends on GRKERNSEC
-+ default GRKERNSEC_CONFIG_CUSTOM
-+ help
-+
-+config GRKERNSEC_CONFIG_AUTO
-+ bool "Automatic"
-+ help
-+ If you choose this configuration method, you'll be able to answer a small
-+ number of simple questions about how you plan to use this kernel.
-+ The settings of grsecurity and PaX will be automatically configured for
-+ the highest commonly-used settings within the provided constraints.
-+
-+ If you require additional configuration, custom changes can still be made
-+ from the "custom configuration" menu.
-+
-+config GRKERNSEC_CONFIG_CUSTOM
-+ bool "Custom"
-+ help
-+ If you choose this configuration method, you'll be able to configure all
-+ grsecurity and PaX settings manually. Via this method, no options are
-+ automatically enabled.
-+
-+endchoice
-+
-+choice
-+ prompt "Usage Type"
-+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
-+ default GRKERNSEC_CONFIG_SERVER
-+ help
-+
-+config GRKERNSEC_CONFIG_SERVER
-+ bool "Server"
-+ help
-+ Choose this option if you plan to use this kernel on a server.
-+
-+config GRKERNSEC_CONFIG_DESKTOP
-+ bool "Desktop"
-+ help
-+ Choose this option if you plan to use this kernel on a desktop.
-+
-+endchoice
-+
-+choice
-+ prompt "Virtualization Type"
-+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO)
-+ default GRKERNSEC_CONFIG_VIRT_NONE
-+ help
-+
-+config GRKERNSEC_CONFIG_VIRT_NONE
-+ bool "None"
-+ help
-+ Choose this option if this kernel will be run on bare metal.
-+
-+config GRKERNSEC_CONFIG_VIRT_GUEST
-+ bool "Guest"
-+ help
-+ Choose this option if this kernel will be run as a VM guest.
-+
-+config GRKERNSEC_CONFIG_VIRT_HOST
-+ bool "Host"
-+ help
-+ Choose this option if this kernel will be run as a VM host.
-+
-+endchoice
-+
-+choice
-+ prompt "Virtualization Hardware"
-+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
-+ help
-+
-+config GRKERNSEC_CONFIG_VIRT_EPT
-+ bool "EPT/RVI Processor Support"
-+ depends on X86
-+ help
-+ Choose this option if your CPU supports the EPT or RVI features of 2nd-gen
-+ hardware virtualization. This allows for additional kernel hardening protections
-+ to operate without additional performance impact.
-+
-+ To see if your Intel processor supports EPT, see:
-+ http://ark.intel.com/Products/VirtualizationTechnology
-+ (Most Core i3/5/7 support EPT)
-+
-+ To see if your AMD processor supports RVI, see:
-+ http://support.amd.com/us/kbarticles/Pages/GPU120AMDRVICPUsHyperVWin8.aspx
-+
-+config GRKERNSEC_CONFIG_VIRT_SOFT
-+ bool "First-gen/No Hardware Virtualization"
-+ help
-+ Choose this option if you use an Atom/Pentium/Core 2 processor that either doesn't
-+ support hardware virtualization or doesn't support the EPT/RVI extensions.
-+
-+endchoice
-+
-+choice
-+ prompt "Virtualization Software"
-+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
-+ help
-+
-+config GRKERNSEC_CONFIG_VIRT_XEN
-+ bool "Xen"
-+ help
-+ Choose this option if this kernel is running as a Xen guest or host.
-+
-+config GRKERNSEC_CONFIG_VIRT_VMWARE
-+ bool "VMWare"
-+ help
-+ Choose this option if this kernel is running as a VMWare guest or host.
-+
-+config GRKERNSEC_CONFIG_VIRT_KVM
-+ bool "KVM"
-+ help
-+ Choose this option if this kernel is running as a KVM guest or host.
-+
-+config GRKERNSEC_CONFIG_VIRT_VIRTUALBOX
-+ bool "VirtualBox"
-+ help
-+ Choose this option if this kernel is running as a VirtualBox guest or host.
-+
-+endchoice
-+
-+choice
-+ prompt "Required Priorities"
-+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
-+ default GRKERNSEC_CONFIG_PRIORITY_PERF
-+ help
-+
-+config GRKERNSEC_CONFIG_PRIORITY_PERF
-+ bool "Performance"
-+ help
-+ Choose this option if performance is of highest priority for this deployment
-+ of grsecurity. Features like UDEREF on a 64bit kernel, kernel stack clearing,
-+ and freed memory sanitizing will be disabled.
-+
-+config GRKERNSEC_CONFIG_PRIORITY_SECURITY
-+ bool "Security"
-+ help
-+ Choose this option if security is of highest priority for this deployment of
-+ grsecurity. UDEREF, kernel stack clearing, and freed memory sanitizing will
-+ be enabled for this kernel. In a worst-case scenario, these features can
-+ introduce a 20% performance hit (UDEREF on x64 contributing half of this hit).
-+
-+endchoice
-+
-+menu "Default Special Groups"
-+depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
-+
-+config GRKERNSEC_PROC_GID
-+ int "GID exempted from /proc restrictions"
-+ default 1001
-+ help
-+ Setting this GID determines which group will be exempted from
-+ grsecurity's /proc restrictions, allowing users of the specified
-+ group to view network statistics and the existence of other users'
-+ processes on the system.
-+
-+config GRKERNSEC_TPE_GID
-+ int "GID for untrusted users"
-+ depends on GRKERNSEC_CONFIG_SERVER
-+ default 1005
-+ help
-+ Setting this GID determines which group untrusted users should
-+ be added to. These users will be placed under grsecurity's Trusted Path
-+ Execution mechanism, preventing them from executing their own binaries.
-+ The users will only be able to execute binaries in directories owned and
-+ writable only by the root user.
-+
-+config GRKERNSEC_SYMLINKOWN_GID
-+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
-+ depends on GRKERNSEC_CONFIG_SERVER
-+ default 1006
-+ help
-+ Setting this GID determines what group kernel-enforced
-+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option
-+ is enabled, a sysctl option with name "symlinkown_gid" is created.
-+
-+
-+endmenu
-+
-+menu "Customize Configuration"
-+depends on GRKERNSEC
-+
-+menu "PaX"
-+
-+config PAX
-+ bool "Enable various PaX features"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86)
-+ help
-+ This allows you to enable various PaX features. PaX adds
-+ intrusion prevention mechanisms to the kernel that reduce
-+ the risks posed by exploitable memory corruption bugs.
-+
-+menu "PaX Control"
-+ depends on PAX
-+
-+config PAX_SOFTMODE
-+ bool 'Support soft mode'
-+ help
-+ Enabling this option will allow you to run PaX in soft mode, that
-+ is, PaX features will not be enforced by default, only on executables
-+ marked explicitly. You must also enable PT_PAX_FLAGS or XATTR_PAX_FLAGS
-+ support as they are the only way to mark executables for soft mode use.
-+
-+ Soft mode can be activated by using the "pax_softmode=1" kernel command
-+ line option on boot. Furthermore you can control various PaX features
-+ at runtime via the entries in /proc/sys/kernel/pax.
-+
-+config PAX_EI_PAX
-+ bool 'Use legacy ELF header marking'
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ Enabling this option will allow you to control PaX features on
-+ a per executable basis via the 'chpax' utility available at
-+ http://pax.grsecurity.net/. The control flags will be read from
-+ an otherwise reserved part of the ELF header. This marking has
-+ numerous drawbacks (no support for soft-mode, toolchain does not
-+ know about the non-standard use of the ELF header) therefore it
-+ has been deprecated in favour of PT_PAX_FLAGS and XATTR_PAX_FLAGS
-+ support.
-+
-+ Note that if you enable PT_PAX_FLAGS or XATTR_PAX_FLAGS marking
-+ support as well, they will override the legacy EI_PAX marks.
-+
-+ If you enable none of the marking options then all applications
-+ will run with PaX enabled on them by default.
-+
-+config PAX_PT_PAX_FLAGS
-+ bool 'Use ELF program header marking'
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ Enabling this option will allow you to control PaX features on
-+ a per executable basis via the 'paxctl' utility available at
-+ http://pax.grsecurity.net/. The control flags will be read from
-+ a PaX specific ELF program header (PT_PAX_FLAGS). This marking
-+ has the benefits of supporting both soft mode and being fully
-+ integrated into the toolchain (the binutils patch is available
-+ from http://pax.grsecurity.net).
-+
-+ Note that if you enable the legacy EI_PAX marking support as well,
-+ the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks.
-+
-+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
-+ must make sure that the marks are the same if a binary has both marks.
-+
-+ If you enable none of the marking options then all applications
-+ will run with PaX enabled on them by default.
-+
-+config PAX_XATTR_PAX_FLAGS
-+ bool 'Use filesystem extended attributes marking'
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ select CIFS_XATTR if CIFS
-+ select EXT2_FS_XATTR if EXT2_FS
-+ select EXT3_FS_XATTR if EXT3_FS
-+ select EXT4_FS_XATTR if EXT4_FS
-+ select JFFS2_FS_XATTR if JFFS2_FS
-+ select REISERFS_FS_XATTR if REISERFS_FS
-+ select SQUASHFS_XATTR if SQUASHFS
-+ select TMPFS_XATTR if TMPFS
-+ select UBIFS_FS_XATTR if UBIFS_FS
-+ help
-+ Enabling this option will allow you to control PaX features on
-+ a per executable basis via the 'setfattr' utility. The control
-+ flags will be read from the user.pax.flags extended attribute of
-+ the file. This marking has the benefit of supporting binary-only
-+ applications that self-check themselves (e.g., skype) and would
-+ not tolerate chpax/paxctl changes. The main drawback is that
-+ extended attributes are not supported by some filesystems (e.g.,
-+ isofs, udf, vfat) so copying files through such filesystems will
-+ lose the extended attributes and these PaX markings.
-+
-+ Note that if you enable the legacy EI_PAX marking support as well,
-+ the EI_PAX marks will be overridden by the XATTR_PAX_FLAGS marks.
-+
-+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
-+ must make sure that the marks are the same if a binary has both marks.
-+
-+ If you enable none of the marking options then all applications
-+ will run with PaX enabled on them by default.
-+
-+choice
-+ prompt 'MAC system integration'
-+ default PAX_HAVE_ACL_FLAGS
-+ help
-+ Mandatory Access Control systems have the option of controlling
-+ PaX flags on a per executable basis, choose the method supported
-+ by your particular system.
-+
-+ - "none": if your MAC system does not interact with PaX,
-+ - "direct": if your MAC system defines pax_set_initial_flags() itself,
-+ - "hook": if your MAC system uses the pax_set_initial_flags_func callback.
-+
-+ NOTE: this option is for developers/integrators only.
-+
-+ config PAX_NO_ACL_FLAGS
-+ bool 'none'
-+
-+ config PAX_HAVE_ACL_FLAGS
-+ bool 'direct'
-+
-+ config PAX_HOOK_ACL_FLAGS
-+ bool 'hook'
-+endchoice
-+
-+endmenu
-+
-+menu "Non-executable pages"
-+ depends on PAX
-+
-+config PAX_NOEXEC
-+ bool "Enforce non-executable pages"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on ALPHA || (ARM && (CPU_V6 || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86
-+ help
-+ By design some architectures do not allow for protecting memory
-+ pages against execution or even if they do, Linux does not make
-+ use of this feature. In practice this means that if a page is
-+ readable (such as the stack or heap) it is also executable.
-+
-+ There is a well known exploit technique that makes use of this
-+ fact and a common programming mistake where an attacker can
-+ introduce code of his choice somewhere in the attacked program's
-+ memory (typically the stack or the heap) and then execute it.
-+
-+ If the attacked program was running with different (typically
-+ higher) privileges than that of the attacker, then he can elevate
-+ his own privilege level (e.g. get a root shell, write to files for
-+ which he does not have write access to, etc).
-+
-+ Enabling this option will let you choose from various features
-+ that prevent the injection and execution of 'foreign' code in
-+ a program.
-+
-+ This will also break programs that rely on the old behaviour and
-+ expect that dynamically allocated memory via the malloc() family
-+ of functions is executable (which it is not). Notable examples
-+ are the XFree86 4.x server, the java runtime and wine.
-+
-+config PAX_PAGEEXEC
-+ bool "Paging based non-executable pages"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7)
-+ select S390_SWITCH_AMODE if S390
-+ select S390_EXEC_PROTECT if S390
-+ select ARCH_TRACK_EXEC_LIMIT if X86_32
-+ help
-+ This implementation is based on the paging feature of the CPU.
-+ On i386 without hardware non-executable bit support there is a
-+ variable but usually low performance impact, however on Intel's
-+ P4 core based CPUs it is very high so you should not enable this
-+ for kernels meant to be used on such CPUs.
-+
-+ On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386
-+ with hardware non-executable bit support there is no performance
-+ impact, on ppc the impact is negligible.
-+
-+ Note that several architectures require various emulations due to
-+ badly designed userland ABIs, this will cause a performance impact
-+ but will disappear as soon as userland is fixed. For example, ppc
-+ userland MUST have been built with secure-plt by a recent toolchain.
-+
-+config PAX_SEGMEXEC
-+ bool "Segmentation based non-executable pages"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on PAX_NOEXEC && X86_32
-+ help
-+ This implementation is based on the segmentation feature of the
-+ CPU and has a very small performance impact, however applications
-+ will be limited to a 1.5 GB address space instead of the normal
-+ 3 GB.
-+
-+config PAX_EMUTRAMP
-+ bool "Emulate trampolines" if (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86)
-+ default y if PARISC
-+ help
-+ There are some programs and libraries that for one reason or
-+ another attempt to execute special small code snippets from
-+ non-executable memory pages. Most notable examples are the
-+ signal handler return code generated by the kernel itself and
-+ the GCC trampolines.
-+
-+ If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then
-+ such programs will no longer work under your kernel.
-+
-+ As a remedy you can say Y here and use the 'chpax' or 'paxctl'
-+ utilities to enable trampoline emulation for the affected programs
-+ yet still have the protection provided by the non-executable pages.
-+
-+ On parisc you MUST enable this option and EMUSIGRT as well, otherwise
-+ your system will not even boot.
-+
-+ Alternatively you can say N here and use the 'chpax' or 'paxctl'
-+ utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC
-+ for the affected files.
-+
-+ NOTE: enabling this feature *may* open up a loophole in the
-+ protection provided by non-executable pages that an attacker
-+ could abuse. Therefore the best solution is to not have any
-+ files on your system that would require this option. This can
-+ be achieved by not using libc5 (which relies on the kernel
-+ signal handler return code) and not using or rewriting programs
-+ that make use of the nested function implementation of GCC.
-+ Skilled users can just fix GCC itself so that it implements
-+ nested function calls in a way that does not interfere with PaX.
-+
-+config PAX_EMUSIGRT
-+ bool "Automatically emulate sigreturn trampolines"
-+ depends on PAX_EMUTRAMP && PARISC
-+ default y
-+ help
-+ Enabling this option will have the kernel automatically detect
-+ and emulate signal return trampolines executing on the stack
-+ that would otherwise lead to task termination.
-+
-+ This solution is intended as a temporary one for users with
-+ legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17,
-+ Modula-3 runtime, etc) or executables linked to such, basically
-+ everything that does not specify its own SA_RESTORER function in
-+ normal executable memory like glibc 2.1+ does.
-+
-+ On parisc you MUST enable this option, otherwise your system will
-+ not even boot.
-+
-+ NOTE: this feature cannot be disabled on a per executable basis
-+ and since it *does* open up a loophole in the protection provided
-+ by non-executable pages, the best solution is to not have any
-+ files on your system that would require this option.
-+
-+config PAX_MPROTECT
-+ bool "Restrict mprotect()"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC)
-+ help
-+ Enabling this option will prevent programs from
-+ - changing the executable status of memory pages that were
-+ not originally created as executable,
-+ - making read-only executable pages writable again,
-+ - creating executable pages from anonymous memory,
-+ - making read-only-after-relocations (RELRO) data pages writable again.
-+
-+ You should say Y here to complete the protection provided by
-+ the enforcement of non-executable pages.
-+
-+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control
-+ this feature on a per file basis.
-+
-+config PAX_MPROTECT_COMPAT
-+ bool "Use legacy/compat protection demoting (read help)"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
-+ depends on PAX_MPROTECT
-+ help
-+ The current implementation of PAX_MPROTECT denies RWX allocations/mprotects
-+ by sending the proper error code to the application. For some broken
-+ userland, this can cause problems with Python or other applications. The
-+ current implementation however allows for applications like clamav to
-+ detect if JIT compilation/execution is allowed and to fall back gracefully
-+ to an interpreter-based mode if it does not. While we encourage everyone
-+ to use the current implementation as-is and push upstream to fix broken
-+ userland (note that the RWX logging option can assist with this), in some
-+ environments this may not be possible. Having to disable MPROTECT
-+ completely on certain binaries reduces the security benefit of PaX,
-+ so this option is provided for those environments to revert to the old
-+ behavior.
-+
-+config PAX_ELFRELOCS
-+ bool "Allow ELF text relocations (read help)"
-+ depends on PAX_MPROTECT
-+ default n
-+ help
-+ Non-executable pages and mprotect() restrictions are effective
-+ in preventing the introduction of new executable code into an
-+ attacked task's address space. There remain only two venues
-+ for this kind of attack: if the attacker can execute already
-+ existing code in the attacked task then he can either have it
-+ create and mmap() a file containing his code or have it mmap()
-+ an already existing ELF library that does not have position
-+ independent code in it and use mprotect() on it to make it
-+ writable and copy his code there. While protecting against
-+ the former approach is beyond PaX, the latter can be prevented
-+ by having only PIC ELF libraries on one's system (which do not
-+ need to relocate their code). If you are sure this is your case,
-+ as is the case with all modern Linux distributions, then leave
-+ this option disabled. You should say 'n' here.
-+
-+config PAX_ETEXECRELOCS
-+ bool "Allow ELF ET_EXEC text relocations"
-+ depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC)
-+ select PAX_ELFRELOCS
-+ default y
-+ help
-+ On some architectures there are incorrectly created applications
-+ that require text relocations and would not work without enabling
-+ this option. If you are an alpha, ia64 or parisc user, you should
-+ enable this option and disable it once you have made sure that
-+ none of your applications need it.
-+
-+config PAX_EMUPLT
-+ bool "Automatically emulate ELF PLT"
-+ depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC)
-+ default y
-+ help
-+ Enabling this option will have the kernel automatically detect
-+ and emulate the Procedure Linkage Table entries in ELF files.
-+ On some architectures such entries are in writable memory, and
-+ become non-executable leading to task termination. Therefore
-+ it is mandatory that you enable this option on alpha, parisc,
-+ sparc and sparc64, otherwise your system would not even boot.
-+
-+ NOTE: this feature *does* open up a loophole in the protection
-+ provided by the non-executable pages, therefore the proper
-+ solution is to modify the toolchain to produce a PLT that does
-+ not need to be writable.
-+
-+config PAX_DLRESOLVE
-+ bool 'Emulate old glibc resolver stub'
-+ depends on PAX_EMUPLT && SPARC
-+ default n
-+ help
-+ This option is needed if userland has an old glibc (before 2.4)
-+ that puts a 'save' instruction into the runtime generated resolver
-+ stub that needs special emulation.
-+
-+config PAX_KERNEXEC
-+ bool "Enforce non-executable kernel pages"
-+ default y if GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_NONE || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_GUEST) || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_KVM))
-+ depends on (PPC || X86) && (!X86_32 || X86_WP_WORKS_OK) && !XEN
-+ select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE)
-+ select PAX_KERNEXEC_PLUGIN if X86_64
-+ help
-+ This is the kernel land equivalent of PAGEEXEC and MPROTECT,
-+ that is, enabling this option will make it harder to inject
-+ and execute 'foreign' code in kernel memory itself.
-+
-+ Note that on x86_64 kernels there is a known regression when
-+ this feature and KVM/VMX are both enabled in the host kernel.
-+
-+choice
-+ prompt "Return Address Instrumentation Method"
-+ default PAX_KERNEXEC_PLUGIN_METHOD_BTS
-+ depends on PAX_KERNEXEC_PLUGIN
-+ help
-+ Select the method used to instrument function pointer dereferences.
-+ Note that binary modules cannot be instrumented by this approach.
-+
-+ Note that the implementation requires a gcc with plugin support,
-+ i.e., gcc 4.5 or newer. You may need to install the supporting
-+ headers explicitly in addition to the normal gcc package.
-+
-+ config PAX_KERNEXEC_PLUGIN_METHOD_BTS
-+ bool "bts"
-+ help
-+ This method is compatible with binary only modules but has
-+ a higher runtime overhead.
-+
-+ config PAX_KERNEXEC_PLUGIN_METHOD_OR
-+ bool "or"
-+ depends on !PARAVIRT
-+ help
-+ This method is incompatible with binary only modules but has
-+ a lower runtime overhead.
-+endchoice
-+
-+config PAX_KERNEXEC_PLUGIN_METHOD
-+ string
-+ default "bts" if PAX_KERNEXEC_PLUGIN_METHOD_BTS
-+ default "or" if PAX_KERNEXEC_PLUGIN_METHOD_OR
-+ default ""
-+
-+config PAX_KERNEXEC_MODULE_TEXT
-+ int "Minimum amount of memory reserved for module code"
-+ default "4" if (!GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_SERVER)
-+ default "12" if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
-+ depends on PAX_KERNEXEC && X86_32 && MODULES
-+ help
-+ Due to implementation details the kernel must reserve a fixed
-+ amount of memory for module code at compile time that cannot be
-+ changed at runtime. Here you can specify the minimum amount
-+ in MB that will be reserved. Due to the same implementation
-+ details this size will always be rounded up to the next 2/4 MB
-+ boundary (depends on PAE) so the actually available memory for
-+ module code will usually be more than this minimum.
-+
-+ The default 4 MB should be enough for most users but if you have
-+ an excessive number of modules (e.g., most distribution configs
-+ compile many drivers as modules) or use huge modules such as
-+ nvidia's kernel driver, you will need to adjust this amount.
-+ A good rule of thumb is to look at your currently loaded kernel
-+ modules and add up their sizes.
-+
-+endmenu
-+
-+menu "Address Space Layout Randomization"
-+ depends on PAX
-+
-+config PAX_ASLR
-+ bool "Address Space Layout Randomization"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ Many if not most exploit techniques rely on the knowledge of
-+ certain addresses in the attacked program. The following options
-+ will allow the kernel to apply a certain amount of randomization
-+ to specific parts of the program thereby forcing an attacker to
-+ guess them in most cases. Any failed guess will most likely crash
-+ the attacked program which allows the kernel to detect such attempts
-+ and react on them. PaX itself provides no reaction mechanisms,
-+ instead it is strongly encouraged that you make use of Nergal's
-+ segvguard (ftp://ftp.pl.openwall.com/misc/segvguard/) or grsecurity's
-+ (http://www.grsecurity.net/) built-in crash detection features or
-+ develop one yourself.
-+
-+ By saying Y here you can choose to randomize the following areas:
-+ - top of the task's kernel stack
-+ - top of the task's userland stack
-+ - base address for mmap() requests that do not specify one
-+ (this includes all libraries)
-+ - base address of the main executable
-+
-+ It is strongly recommended to say Y here as address space layout
-+ randomization has negligible impact on performance yet it provides
-+ a very effective protection.
-+
-+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control
-+ this feature on a per file basis.
-+
-+config PAX_RANDKSTACK
-+ bool "Randomize kernel stack base"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on X86_TSC && X86
-+ help
-+ By saying Y here the kernel will randomize every task's kernel
-+ stack on every system call. This will not only force an attacker
-+ to guess it but also prevent him from making use of possible
-+ leaked information about it.
-+
-+ Since the kernel stack is a rather scarce resource, randomization
-+ may cause unexpected stack overflows, therefore you should very
-+ carefully test your system. Note that once enabled in the kernel
-+ configuration, this feature cannot be disabled on a per file basis.
-+
-+config PAX_RANDUSTACK
-+ bool "Randomize user stack base"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on PAX_ASLR
-+ help
-+ By saying Y here the kernel will randomize every task's userland
-+ stack. The randomization is done in two steps where the second
-+ one may apply a big amount of shift to the top of the stack and
-+ cause problems for programs that want to use lots of memory (more
-+ than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is).
-+ For this reason the second step can be controlled by 'chpax' or
-+ 'paxctl' on a per file basis.
-+
-+config PAX_RANDMMAP
-+ bool "Randomize mmap() base"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on PAX_ASLR
-+ help
-+ By saying Y here the kernel will use a randomized base address for
-+ mmap() requests that do not specify one themselves. As a result
-+ all dynamically loaded libraries will appear at random addresses
-+ and therefore be harder to exploit by a technique where an attacker
-+ attempts to execute library code for his purposes (e.g. spawn a
-+ shell from an exploited program that is running at an elevated
-+ privilege level).
-+
-+ Furthermore, if a program is relinked as a dynamic ELF file, its
-+ base address will be randomized as well, completing the full
-+ randomization of the address space layout. Attacking such programs
-+ becomes a guess game. You can find an example of doing this at
-+ http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at
-+ http://www.grsecurity.net/grsec-gcc-specs.tar.gz .
-+
-+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control this
-+ feature on a per file basis.
-+
-+endmenu
-+
-+menu "Miscellaneous hardening features"
-+
-+config PAX_MEMORY_SANITIZE
-+ bool "Sanitize all freed memory"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
-+ depends on !HIBERNATION
-+ help
-+ By saying Y here the kernel will erase memory pages as soon as they
-+ are freed. This in turn reduces the lifetime of data stored in the
-+ pages, making it less likely that sensitive information such as
-+ passwords, cryptographic secrets, etc stay in memory for too long.
-+
-+ This is especially useful for programs whose runtime is short, long
-+ lived processes and the kernel itself benefit from this as long as
-+ they operate on whole memory pages and ensure timely freeing of pages
-+ that may hold sensitive information.
-+
-+ The tradeoff is performance impact, on a single CPU system kernel
-+ compilation sees a 3% slowdown, other systems and workloads may vary
-+ and you are advised to test this feature on your expected workload
-+ before deploying it.
-+
-+ Note that this feature does not protect data stored in live pages,
-+ e.g., process memory swapped to disk may stay there for a long time.
-+
-+config PAX_MEMORY_STACKLEAK
-+ bool "Sanitize kernel stack"
-+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
-+ depends on X86
-+ help
-+ By saying Y here the kernel will erase the kernel stack before it
-+ returns from a system call. This in turn reduces the information
-+ that a kernel stack leak bug can reveal.
-+
-+ Note that such a bug can still leak information that was put on
-+ the stack by the current system call (the one eventually triggering
-+ the bug) but traces of earlier system calls on the kernel stack
-+ cannot leak anymore.
-+
-+ The tradeoff is performance impact: on a single CPU system kernel
-+ compilation sees a 1% slowdown, other systems and workloads may vary
-+ and you are advised to test this feature on your expected workload
-+ before deploying it.
-+
-+ Note that the full feature requires a gcc with plugin support,
-+ i.e., gcc 4.5 or newer. You may need to install the supporting
-+ headers explicitly in addition to the normal gcc package. Using
-+ older gcc versions means that functions with large enough stack
-+ frames may leave uninitialized memory behind that may be exposed
-+ to a later syscall leaking the stack.
-+
-+config PAX_MEMORY_UDEREF
-+ bool "Prevent invalid userland pointer dereference"
-+ default y if GRKERNSEC_CONFIG_AUTO && (X86_32 || (X86_64 && GRKERNSEC_CONFIG_PRIORITY_SECURITY)) && (GRKERNSEC_CONFIG_VIRT_NONE || GRKERNSEC_CONFIG_VIRT_EPT)
-+ depends on X86 && !UML_X86 && !XEN
-+ select PAX_PER_CPU_PGD if X86_64
-+ help
-+ By saying Y here the kernel will be prevented from dereferencing
-+ userland pointers in contexts where the kernel expects only kernel
-+ pointers. This is both a useful runtime debugging feature and a
-+ security measure that prevents exploiting a class of kernel bugs.
-+
-+ The tradeoff is that some virtualization solutions may experience
-+ a huge slowdown and therefore you should not enable this feature
-+ for kernels meant to run in such environments. Whether a given VM
-+ solution is affected or not is best determined by simply trying it
-+ out, the performance impact will be obvious right on boot as this
-+ mechanism engages from very early on. A good rule of thumb is that
-+ VMs running on CPUs without hardware virtualization support (i.e.,
-+ the majority of IA-32 CPUs) will likely experience the slowdown.
-+
-+config PAX_REFCOUNT
-+ bool "Prevent various kernel object reference counter overflows"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on GRKERNSEC && ((ARM && (CPU_32v6 || CPU_32v6K || CPU_32v7)) || SPARC64 || X86)
-+ help
-+ By saying Y here the kernel will detect and prevent overflowing
-+ various (but not all) kinds of object reference counters. Such
-+ overflows can normally occur due to bugs only and are often, if
-+ not always, exploitable.
-+
-+ The tradeoff is that data structures protected by an overflowed
-+ refcount will never be freed and therefore will leak memory. Note
-+ that this leak also happens even without this protection but in
-+ that case the overflow can eventually trigger the freeing of the
-+ data structure while it is still being used elsewhere, resulting
-+ in the exploitable situation that this feature prevents.
-+
-+ Since this has a negligible performance impact, you should enable
-+ this feature.
-+
-+config PAX_USERCOPY
-+ bool "Harden heap object copies between kernel and userland"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on X86 || PPC || SPARC || ARM
-+ depends on GRKERNSEC && (SLAB || SLUB || SLOB)
-+ select PAX_USERCOPY_SLABS
-+ help
-+ By saying Y here the kernel will enforce the size of heap objects
-+ when they are copied in either direction between the kernel and
-+ userland, even if only a part of the heap object is copied.
-+
-+ Specifically, this checking prevents information leaking from the
-+ kernel heap during kernel to userland copies (if the kernel heap
-+ object is otherwise fully initialized) and prevents kernel heap
-+ overflows during userland to kernel copies.
-+
-+ Note that the current implementation provides the strictest bounds
-+ checks for the SLUB allocator.
-+
-+ Enabling this option also enables per-slab cache protection against
-+ data in a given cache being copied into/out of via userland
-+ accessors. Though the whitelist of regions will be reduced over
-+ time, it notably protects important data structures like task structs.
-+
-+ If frame pointers are enabled on x86, this option will also restrict
-+ copies into and out of the kernel stack to local variables within a
-+ single frame.
-+
-+ Since this has a negligible performance impact, you should enable
-+ this feature.
-+
-+config PAX_SIZE_OVERFLOW
-+ bool "Prevent various integer overflows in function size parameters"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ depends on X86
-+ help
-+ By saying Y here the kernel recomputes expressions of function
-+ arguments marked by a size_overflow attribute with double integer
-+ precision (DImode/TImode for 32/64 bit integer types).
-+
-+ The recomputed argument is checked against TYPE_MAX and an event
-+ is logged on overflow and the triggering process is killed.
-+
-+ Homepage: http://www.grsecurity.net/~ephox/overflow_plugin/
-+
-+ Note that the implementation requires a gcc with plugin support,
-+ i.e., gcc 4.5 or newer. You may need to install the supporting
-+ headers explicitly in addition to the normal gcc package.
-+
-+config PAX_LATENT_ENTROPY
-+ bool "Generate some entropy during boot"
-+ default y if GRKERNSEC_CONFIG_AUTO
-+ help
-+ By saying Y here the kernel will instrument early boot code to
-+ extract some entropy from both original and artificially created
-+ program state. This will help especially embedded systems where
-+ there is little 'natural' source of entropy normally. The cost
-+ is some slowdown of the boot process.
-+
-+ Note that the implementation requires a gcc with plugin support,
-+ i.e., gcc 4.5 or newer. You may need to install the supporting
-+ headers explicitly in addition to the normal gcc package.
-+
-+ Note that entropy extracted this way is not cryptographically
-+ secure!
-+
-+endmenu
-+
-+endmenu
-+
-+source grsecurity/Kconfig
-+
-+endmenu
-+
-+endmenu
-+
- source security/keys/Kconfig
-
- config SECURITY_DMESG_RESTRICT
-@@ -103,7 +985,7 @@ config INTEL_TXT
- config LSM_MMAP_MIN_ADDR
- int "Low address space for LSM to protect from user allocation"
- depends on SECURITY && SECURITY_SELINUX
-- default 32768 if ARM
-+ default 32768 if ALPHA || ARM || PARISC || SPARC32
- default 65536
- help
- This is the portion of low virtual memory which should be protected
-diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
-index 8ea39aa..8569ac5 100644
---- a/security/apparmor/lsm.c
-+++ b/security/apparmor/lsm.c
-@@ -614,7 +614,7 @@ static int apparmor_task_setrlimit(struct task_struct *task,
- return error;
- }
-
--static struct security_operations apparmor_ops = {
-+static struct security_operations apparmor_ops __read_only = {
- .name = "apparmor",
-
- .ptrace_access_check = apparmor_ptrace_access_check,
-diff --git a/security/commoncap.c b/security/commoncap.c
-index 6dbae46..d5611fd 100644
---- a/security/commoncap.c
-+++ b/security/commoncap.c
-@@ -415,6 +415,32 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
- return 0;
- }
-
-+/* returns:
-+ 1 for suid privilege
-+ 2 for sgid privilege
-+ 3 for fscap privilege
-+*/
-+int is_privileged_binary(const struct dentry *dentry)
-+{
-+ struct cpu_vfs_cap_data capdata;
-+ struct inode *inode = dentry->d_inode;
-+
-+ if (!inode || S_ISDIR(inode->i_mode))
-+ return 0;
-+
-+ if (inode->i_mode & S_ISUID)
-+ return 1;
-+ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))
-+ return 2;
-+
-+ if (!get_vfs_caps_from_disk(dentry, &capdata)) {
-+ if (!cap_isclear(capdata.inheritable) || !cap_isclear(capdata.permitted))
-+ return 3;
-+ }
-+
-+ return 0;
-+}
-+
- /*
- * Attempt to get the on-exec apply capability sets for an executable file from
- * its xattrs and, if present, apply them to the proposed credentials being
-@@ -583,6 +609,9 @@ int cap_bprm_secureexec(struct linux_binprm *bprm)
- const struct cred *cred = current_cred();
- kuid_t root_uid = make_kuid(cred->user_ns, 0);
-
-+ if (gr_acl_enable_at_secure())
-+ return 1;
-+
- if (!uid_eq(cred->uid, root_uid)) {
- if (bprm->cap_effective)
- return 1;
-diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
-index 3ccf7ac..d73ad64 100644
---- a/security/integrity/ima/ima.h
-+++ b/security/integrity/ima/ima.h
-@@ -86,8 +86,8 @@ void ima_add_violation(struct inode *inode, const unsigned char *filename,
- extern spinlock_t ima_queue_lock;
-
- struct ima_h_table {
-- atomic_long_t len; /* number of stored measurements in the list */
-- atomic_long_t violations;
-+ atomic_long_unchecked_t len; /* number of stored measurements in the list */
-+ atomic_long_unchecked_t violations;
- struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE];
- };
- extern struct ima_h_table ima_htable;
-diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
-index 88a2788..581ab92 100644
---- a/security/integrity/ima/ima_api.c
-+++ b/security/integrity/ima/ima_api.c
-@@ -75,7 +75,7 @@ void ima_add_violation(struct inode *inode, const unsigned char *filename,
- int result;
-
- /* can overflow, only indicator */
-- atomic_long_inc(&ima_htable.violations);
-+ atomic_long_inc_unchecked(&ima_htable.violations);
-
- entry = kmalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry) {
-diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
-index e1aa2b4..52027bf 100644
---- a/security/integrity/ima/ima_fs.c
-+++ b/security/integrity/ima/ima_fs.c
-@@ -28,12 +28,12 @@
- static int valid_policy = 1;
- #define TMPBUFLEN 12
- static ssize_t ima_show_htable_value(char __user *buf, size_t count,
-- loff_t *ppos, atomic_long_t *val)
-+ loff_t *ppos, atomic_long_unchecked_t *val)
- {
- char tmpbuf[TMPBUFLEN];
- ssize_t len;
-
-- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val));
-+ len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val));
- return simple_read_from_buffer(buf, count, ppos, tmpbuf, len);
- }
-
-diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c
-index 55a6271..ad829c3 100644
---- a/security/integrity/ima/ima_queue.c
-+++ b/security/integrity/ima/ima_queue.c
-@@ -81,7 +81,7 @@ static int ima_add_digest_entry(struct ima_template_entry *entry)
- INIT_LIST_HEAD(&qe->later);
- list_add_tail_rcu(&qe->later, &ima_measurements);
-
-- atomic_long_inc(&ima_htable.len);
-+ atomic_long_inc_unchecked(&ima_htable.len);
- key = ima_hash_key(entry->digest);
- hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]);
- return 0;
-diff --git a/security/keys/compat.c b/security/keys/compat.c
-index c92d42b..341e7ea 100644
---- a/security/keys/compat.c
-+++ b/security/keys/compat.c
-@@ -44,7 +44,7 @@ long compat_keyctl_instantiate_key_iov(
- if (ret == 0)
- goto no_payload_free;
-
-- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
-+ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
-
- if (iov != iovstack)
- kfree(iov);
-diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
-index 0f5b3f0..b8d47c1 100644
---- a/security/keys/keyctl.c
-+++ b/security/keys/keyctl.c
-@@ -966,7 +966,7 @@ static int keyctl_change_reqkey_auth(struct key *key)
- /*
- * Copy the iovec data from userspace
- */
--static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
-+static long copy_from_user_iovec(void *buffer, const struct iovec __user *iov,
- unsigned ioc)
- {
- for (; ioc > 0; ioc--) {
-@@ -988,7 +988,7 @@ static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
- * If successful, 0 will be returned.
- */
- long keyctl_instantiate_key_common(key_serial_t id,
-- const struct iovec *payload_iov,
-+ const struct iovec __user *payload_iov,
- unsigned ioc,
- size_t plen,
- key_serial_t ringid)
-@@ -1083,7 +1083,7 @@ long keyctl_instantiate_key(key_serial_t id,
- [0].iov_len = plen
- };
-
-- return keyctl_instantiate_key_common(id, iov, 1, plen, ringid);
-+ return keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, 1, plen, ringid);
- }
-
- return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid);
-@@ -1116,7 +1116,7 @@ long keyctl_instantiate_key_iov(key_serial_t id,
- if (ret == 0)
- goto no_payload_free;
-
-- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
-+ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
-
- if (iov != iovstack)
- kfree(iov);
-diff --git a/security/keys/keyring.c b/security/keys/keyring.c
-index 7445875..262834f 100644
---- a/security/keys/keyring.c
-+++ b/security/keys/keyring.c
-@@ -227,16 +227,16 @@ static long keyring_read(const struct key *keyring,
- ret = -EFAULT;
-
- for (loop = 0; loop < klist->nkeys; loop++) {
-+ key_serial_t serial;
- key = rcu_deref_link_locked(klist, loop,
- keyring);
-+ serial = key->serial;
-
- tmp = sizeof(key_serial_t);
- if (tmp > buflen)
- tmp = buflen;
-
-- if (copy_to_user(buffer,
-- &key->serial,
-- tmp) != 0)
-+ if (copy_to_user(buffer, &serial, tmp))
- goto error;
-
- buflen -= tmp;
-diff --git a/security/min_addr.c b/security/min_addr.c
-index f728728..6457a0c 100644
---- a/security/min_addr.c
-+++ b/security/min_addr.c
-@@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
- */
- static void update_mmap_min_addr(void)
- {
-+#ifndef SPARC
- #ifdef CONFIG_LSM_MMAP_MIN_ADDR
- if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR)
- mmap_min_addr = dac_mmap_min_addr;
-@@ -22,6 +23,7 @@ static void update_mmap_min_addr(void)
- #else
- mmap_min_addr = dac_mmap_min_addr;
- #endif
-+#endif
- }
-
- /*
-diff --git a/security/security.c b/security/security.c
-index 860aeb3..45765c0 100644
---- a/security/security.c
-+++ b/security/security.c
-@@ -20,6 +20,7 @@
- #include <linux/ima.h>
- #include <linux/evm.h>
- #include <linux/fsnotify.h>
-+#include <linux/mm.h>
- #include <linux/mman.h>
- #include <linux/mount.h>
- #include <linux/personality.h>
-@@ -32,8 +33,8 @@
- static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
- CONFIG_DEFAULT_SECURITY;
-
--static struct security_operations *security_ops;
--static struct security_operations default_security_ops = {
-+static struct security_operations *security_ops __read_only;
-+static struct security_operations default_security_ops __read_only = {
- .name = "default",
- };
-
-@@ -74,7 +75,9 @@ int __init security_init(void)
-
- void reset_security_ops(void)
- {
-+ pax_open_kernel();
- security_ops = &default_security_ops;
-+ pax_close_kernel();
- }
-
- /* Save user chosen LSM */
-diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
-index db10db2..99a640f 100644
---- a/security/selinux/hooks.c
-+++ b/security/selinux/hooks.c
-@@ -95,8 +95,6 @@
-
- #define NUM_SEL_MNT_OPTS 5
-
--extern struct security_operations *security_ops;
--
- /* SECMARK reference count */
- static atomic_t selinux_secmark_refcount = ATOMIC_INIT(0);
-
-@@ -5511,7 +5509,7 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
-
- #endif
-
--static struct security_operations selinux_ops = {
-+static struct security_operations selinux_ops __read_only = {
- .name = "selinux",
-
- .ptrace_access_check = selinux_ptrace_access_check,
-diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
-index c220f31..89fab3f 100644
---- a/security/selinux/include/xfrm.h
-+++ b/security/selinux/include/xfrm.h
-@@ -50,7 +50,7 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
-
- static inline void selinux_xfrm_notify_policyload(void)
- {
-- atomic_inc(&flow_cache_genid);
-+ atomic_inc_unchecked(&flow_cache_genid);
- }
- #else
- static inline int selinux_xfrm_enabled(void)
-diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
-index ee0bb57..57fcd43 100644
---- a/security/smack/smack_lsm.c
-+++ b/security/smack/smack_lsm.c
-@@ -3432,7 +3432,7 @@ static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
- return 0;
- }
-
--struct security_operations smack_ops = {
-+struct security_operations smack_ops __read_only = {
- .name = "smack",
-
- .ptrace_access_check = smack_ptrace_access_check,
-diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
-index c2d04a5..e6a1aeb 100644
---- a/security/tomoyo/tomoyo.c
-+++ b/security/tomoyo/tomoyo.c
-@@ -501,7 +501,7 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg,
- * tomoyo_security_ops is a "struct security_operations" which is used for
- * registering TOMOYO.
- */
--static struct security_operations tomoyo_security_ops = {
-+static struct security_operations tomoyo_security_ops __read_only = {
- .name = "tomoyo",
- .cred_alloc_blank = tomoyo_cred_alloc_blank,
- .cred_prepare = tomoyo_cred_prepare,
-diff --git a/security/yama/Kconfig b/security/yama/Kconfig
-index 51d6709..1f3dbe2 100644
---- a/security/yama/Kconfig
-+++ b/security/yama/Kconfig
-@@ -1,6 +1,6 @@
- config SECURITY_YAMA
- bool "Yama support"
-- depends on SECURITY
-+ depends on SECURITY && !GRKERNSEC
- select SECURITYFS
- select SECURITY_PATH
- default n
-diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
-index 270790d..c67dfcb 100644
---- a/sound/aoa/codecs/onyx.c
-+++ b/sound/aoa/codecs/onyx.c
-@@ -54,7 +54,7 @@ struct onyx {
- spdif_locked:1,
- analog_locked:1,
- original_mute:2;
-- int open_count;
-+ local_t open_count;
- struct codec_info *codec_info;
-
- /* mutex serializes concurrent access to the device
-@@ -753,7 +753,7 @@ static int onyx_open(struct codec_info_item *cii,
- struct onyx *onyx = cii->codec_data;
-
- mutex_lock(&onyx->mutex);
-- onyx->open_count++;
-+ local_inc(&onyx->open_count);
- mutex_unlock(&onyx->mutex);
-
- return 0;
-@@ -765,8 +765,7 @@ static int onyx_close(struct codec_info_item *cii,
- struct onyx *onyx = cii->codec_data;
-
- mutex_lock(&onyx->mutex);
-- onyx->open_count--;
-- if (!onyx->open_count)
-+ if (local_dec_and_test(&onyx->open_count))
- onyx->spdif_locked = onyx->analog_locked = 0;
- mutex_unlock(&onyx->mutex);
-
-diff --git a/sound/aoa/codecs/onyx.h b/sound/aoa/codecs/onyx.h
-index ffd2025..df062c9 100644
---- a/sound/aoa/codecs/onyx.h
-+++ b/sound/aoa/codecs/onyx.h
-@@ -11,6 +11,7 @@
- #include <linux/i2c.h>
- #include <asm/pmac_low_i2c.h>
- #include <asm/prom.h>
-+#include <asm/local.h>
-
- /* PCM3052 register definitions */
-
-diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
-index 08fde00..0bf641a 100644
---- a/sound/core/oss/pcm_oss.c
-+++ b/sound/core/oss/pcm_oss.c
-@@ -1189,10 +1189,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const
- if (in_kernel) {
- mm_segment_t fs;
- fs = snd_enter_user();
-- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
-+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
- snd_leave_user(fs);
- } else {
-- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
-+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
- }
- if (ret != -EPIPE && ret != -ESTRPIPE)
- break;
-@@ -1234,10 +1234,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p
- if (in_kernel) {
- mm_segment_t fs;
- fs = snd_enter_user();
-- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
-+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
- snd_leave_user(fs);
- } else {
-- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
-+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
- }
- if (ret == -EPIPE) {
- if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
-@@ -1337,7 +1337,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
- struct snd_pcm_plugin_channel *channels;
- size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
- if (!in_kernel) {
-- if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))
-+ if (copy_from_user(runtime->oss.buffer, (const char __force_user *)buf, bytes))
- return -EFAULT;
- buf = runtime->oss.buffer;
- }
-@@ -1407,7 +1407,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
- }
- } else {
- tmp = snd_pcm_oss_write2(substream,
-- (const char __force *)buf,
-+ (const char __force_kernel *)buf,
- runtime->oss.period_bytes, 0);
- if (tmp <= 0)
- goto err;
-@@ -1433,7 +1433,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
- struct snd_pcm_runtime *runtime = substream->runtime;
- snd_pcm_sframes_t frames, frames1;
- #ifdef CONFIG_SND_PCM_OSS_PLUGINS
-- char __user *final_dst = (char __force __user *)buf;
-+ char __user *final_dst = (char __force_user *)buf;
- if (runtime->oss.plugin_first) {
- struct snd_pcm_plugin_channel *channels;
- size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8;
-@@ -1495,7 +1495,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
- xfer += tmp;
- runtime->oss.buffer_used -= tmp;
- } else {
-- tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
-+ tmp = snd_pcm_oss_read2(substream, (char __force_kernel *)buf,
- runtime->oss.period_bytes, 0);
- if (tmp <= 0)
- goto err;
-@@ -1663,7 +1663,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
- size1);
- size1 /= runtime->channels; /* frames */
- fs = snd_enter_user();
-- snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1);
-+ snd_pcm_lib_write(substream, (void __force_user *)runtime->oss.buffer, size1);
- snd_leave_user(fs);
- }
- } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
-diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
-index 91cdf94..4085161 100644
---- a/sound/core/pcm_compat.c
-+++ b/sound/core/pcm_compat.c
-@@ -31,7 +31,7 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
- int err;
-
- fs = snd_enter_user();
-- err = snd_pcm_delay(substream, &delay);
-+ err = snd_pcm_delay(substream, (snd_pcm_sframes_t __force_user *)&delay);
- snd_leave_user(fs);
- if (err < 0)
- return err;
-diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
-index 53b5ada..2db94c8 100644
---- a/sound/core/pcm_native.c
-+++ b/sound/core/pcm_native.c
-@@ -2780,11 +2780,11 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
- switch (substream->stream) {
- case SNDRV_PCM_STREAM_PLAYBACK:
- result = snd_pcm_playback_ioctl1(NULL, substream, cmd,
-- (void __user *)arg);
-+ (void __force_user *)arg);
- break;
- case SNDRV_PCM_STREAM_CAPTURE:
- result = snd_pcm_capture_ioctl1(NULL, substream, cmd,
-- (void __user *)arg);
-+ (void __force_user *)arg);
- break;
- default:
- result = -EINVAL;
-diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
-index 5cf8d65..912a79c 100644
---- a/sound/core/seq/seq_device.c
-+++ b/sound/core/seq/seq_device.c
-@@ -64,7 +64,7 @@ struct ops_list {
- int argsize; /* argument size */
-
- /* operators */
-- struct snd_seq_dev_ops ops;
-+ struct snd_seq_dev_ops *ops;
-
- /* registred devices */
- struct list_head dev_list; /* list of devices */
-@@ -333,7 +333,7 @@ int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry,
-
- mutex_lock(&ops->reg_mutex);
- /* copy driver operators */
-- ops->ops = *entry;
-+ ops->ops = entry;
- ops->driver |= DRIVER_LOADED;
- ops->argsize = argsize;
-
-@@ -463,7 +463,7 @@ static int init_device(struct snd_seq_device *dev, struct ops_list *ops)
- dev->name, ops->id, ops->argsize, dev->argsize);
- return -EINVAL;
- }
-- if (ops->ops.init_device(dev) >= 0) {
-+ if (ops->ops->init_device(dev) >= 0) {
- dev->status = SNDRV_SEQ_DEVICE_REGISTERED;
- ops->num_init_devices++;
- } else {
-@@ -490,7 +490,7 @@ static int free_device(struct snd_seq_device *dev, struct ops_list *ops)
- dev->name, ops->id, ops->argsize, dev->argsize);
- return -EINVAL;
- }
-- if ((result = ops->ops.free_device(dev)) >= 0 || result == -ENXIO) {
-+ if ((result = ops->ops->free_device(dev)) >= 0 || result == -ENXIO) {
- dev->status = SNDRV_SEQ_DEVICE_FREE;
- dev->driver_data = NULL;
- ops->num_init_devices--;
-diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
-index 621e60e..f4543f5 100644
---- a/sound/drivers/mts64.c
-+++ b/sound/drivers/mts64.c
-@@ -29,6 +29,7 @@
- #include <sound/initval.h>
- #include <sound/rawmidi.h>
- #include <sound/control.h>
-+#include <asm/local.h>
-
- #define CARD_NAME "Miditerminal 4140"
- #define DRIVER_NAME "MTS64"
-@@ -67,7 +68,7 @@ struct mts64 {
- struct pardevice *pardev;
- int pardev_claimed;
-
-- int open_count;
-+ local_t open_count;
- int current_midi_output_port;
- int current_midi_input_port;
- u8 mode[MTS64_NUM_INPUT_PORTS];
-@@ -697,7 +698,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
- {
- struct mts64 *mts = substream->rmidi->private_data;
-
-- if (mts->open_count == 0) {
-+ if (local_read(&mts->open_count) == 0) {
- /* We don't need a spinlock here, because this is just called
- if the device has not been opened before.
- So there aren't any IRQs from the device */
-@@ -705,7 +706,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
-
- msleep(50);
- }
-- ++(mts->open_count);
-+ local_inc(&mts->open_count);
-
- return 0;
- }
-@@ -715,8 +716,7 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
- struct mts64 *mts = substream->rmidi->private_data;
- unsigned long flags;
-
-- --(mts->open_count);
-- if (mts->open_count == 0) {
-+ if (local_dec_return(&mts->open_count) == 0) {
- /* We need the spinlock_irqsave here because we can still
- have IRQs at this point */
- spin_lock_irqsave(&mts->lock, flags);
-@@ -725,8 +725,8 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
-
- msleep(500);
-
-- } else if (mts->open_count < 0)
-- mts->open_count = 0;
-+ } else if (local_read(&mts->open_count) < 0)
-+ local_set(&mts->open_count, 0);
-
- return 0;
- }
-diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
-index b953fb4..1999c01 100644
---- a/sound/drivers/opl4/opl4_lib.c
-+++ b/sound/drivers/opl4/opl4_lib.c
-@@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch <clemens(a)ladisch.de>");
- MODULE_DESCRIPTION("OPL4 driver");
- MODULE_LICENSE("GPL");
-
--static void inline snd_opl4_wait(struct snd_opl4 *opl4)
-+static inline void snd_opl4_wait(struct snd_opl4 *opl4)
- {
- int timeout = 10;
- while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0)
-diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
-index 3e32bd3..46fc152 100644
---- a/sound/drivers/portman2x4.c
-+++ b/sound/drivers/portman2x4.c
-@@ -48,6 +48,7 @@
- #include <sound/initval.h>
- #include <sound/rawmidi.h>
- #include <sound/control.h>
-+#include <asm/local.h>
-
- #define CARD_NAME "Portman 2x4"
- #define DRIVER_NAME "portman"
-@@ -85,7 +86,7 @@ struct portman {
- struct pardevice *pardev;
- int pardev_claimed;
-
-- int open_count;
-+ local_t open_count;
- int mode[PORTMAN_NUM_INPUT_PORTS];
- struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS];
- };
-diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c
-index ea995af..f1bfa37 100644
---- a/sound/firewire/amdtp.c
-+++ b/sound/firewire/amdtp.c
-@@ -389,7 +389,7 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle)
- ptr = s->pcm_buffer_pointer + data_blocks;
- if (ptr >= pcm->runtime->buffer_size)
- ptr -= pcm->runtime->buffer_size;
-- ACCESS_ONCE(s->pcm_buffer_pointer) = ptr;
-+ ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr;
-
- s->pcm_period_pointer += data_blocks;
- if (s->pcm_period_pointer >= pcm->runtime->period_size) {
-@@ -557,7 +557,7 @@ EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer);
- */
- void amdtp_out_stream_update(struct amdtp_out_stream *s)
- {
-- ACCESS_ONCE(s->source_node_id_field) =
-+ ACCESS_ONCE_RW(s->source_node_id_field) =
- (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24;
- }
- EXPORT_SYMBOL(amdtp_out_stream_update);
-diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
-index b680c5e..061b7a0 100644
---- a/sound/firewire/amdtp.h
-+++ b/sound/firewire/amdtp.h
-@@ -139,7 +139,7 @@ static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s)
- static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s,
- struct snd_pcm_substream *pcm)
- {
-- ACCESS_ONCE(s->pcm) = pcm;
-+ ACCESS_ONCE_RW(s->pcm) = pcm;
- }
-
- static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc)
-diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
-index d428ffe..751ef78 100644
---- a/sound/firewire/isight.c
-+++ b/sound/firewire/isight.c
-@@ -96,7 +96,7 @@ static void isight_update_pointers(struct isight *isight, unsigned int count)
- ptr += count;
- if (ptr >= runtime->buffer_size)
- ptr -= runtime->buffer_size;
-- ACCESS_ONCE(isight->buffer_pointer) = ptr;
-+ ACCESS_ONCE_RW(isight->buffer_pointer) = ptr;
-
- isight->period_counter += count;
- if (isight->period_counter >= runtime->period_size) {
-@@ -307,7 +307,7 @@ static int isight_hw_params(struct snd_pcm_substream *substream,
- if (err < 0)
- return err;
-
-- ACCESS_ONCE(isight->pcm_active) = true;
-+ ACCESS_ONCE_RW(isight->pcm_active) = true;
-
- return 0;
- }
-@@ -340,7 +340,7 @@ static int isight_hw_free(struct snd_pcm_substream *substream)
- {
- struct isight *isight = substream->private_data;
-
-- ACCESS_ONCE(isight->pcm_active) = false;
-+ ACCESS_ONCE_RW(isight->pcm_active) = false;
-
- mutex_lock(&isight->mutex);
- isight_stop_streaming(isight);
-@@ -433,10 +433,10 @@ static int isight_trigger(struct snd_pcm_substream *substream, int cmd)
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
-- ACCESS_ONCE(isight->pcm_running) = true;
-+ ACCESS_ONCE_RW(isight->pcm_running) = true;
- break;
- case SNDRV_PCM_TRIGGER_STOP:
-- ACCESS_ONCE(isight->pcm_running) = false;
-+ ACCESS_ONCE_RW(isight->pcm_running) = false;
- break;
- default:
- return -EINVAL;
-diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
-index 7bd5e33..1fcab12 100644
---- a/sound/isa/cmi8330.c
-+++ b/sound/isa/cmi8330.c
-@@ -172,7 +172,7 @@ struct snd_cmi8330 {
-
- struct snd_pcm *pcm;
- struct snd_cmi8330_stream {
-- struct snd_pcm_ops ops;
-+ snd_pcm_ops_no_const ops;
- snd_pcm_open_callback_t open;
- void *private_data; /* sb or wss */
- } streams[2];
-diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c
-index 733b014..56ce96f 100644
---- a/sound/oss/sb_audio.c
-+++ b/sound/oss/sb_audio.c
-@@ -901,7 +901,7 @@ sb16_copy_from_user(int dev,
- buf16 = (signed short *)(localbuf + localoffs);
- while (c)
- {
-- locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
-+ locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
- if (copy_from_user(lbuf8,
- userbuf+useroffs + p,
- locallen))
-diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
-index 09d4648..cf234c7 100644
---- a/sound/oss/swarm_cs4297a.c
-+++ b/sound/oss/swarm_cs4297a.c
-@@ -2606,7 +2606,6 @@ static int __init cs4297a_init(void)
- {
- struct cs4297a_state *s;
- u32 pwr, id;
-- mm_segment_t fs;
- int rval;
- #ifndef CONFIG_BCM_CS4297A_CSWARM
- u64 cfg;
-@@ -2696,22 +2695,23 @@ static int __init cs4297a_init(void)
- if (!rval) {
- char *sb1250_duart_present;
-
-+#if 0
-+ mm_segment_t fs;
- fs = get_fs();
- set_fs(KERNEL_DS);
--#if 0
- val = SOUND_MASK_LINE;
- mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val);
- for (i = 0; i < ARRAY_SIZE(initvol); i++) {
- val = initvol[i].vol;
- mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val);
- }
-+ set_fs(fs);
- // cs4297a_write_ac97(s, 0x18, 0x0808);
- #else
- // cs4297a_write_ac97(s, 0x5e, 0x180);
- cs4297a_write_ac97(s, 0x02, 0x0808);
- cs4297a_write_ac97(s, 0x18, 0x0808);
- #endif
-- set_fs(fs);
-
- list_add(&s->list, &cs4297a_devs);
-
-diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
-index 2fdaadb..7df8fc6 100644
---- a/sound/pci/hda/hda_codec.h
-+++ b/sound/pci/hda/hda_codec.h
-@@ -611,7 +611,7 @@ struct hda_bus_ops {
- /* notify power-up/down from codec to controller */
- void (*pm_notify)(struct hda_bus *bus);
- #endif
--};
-+} __no_const;
-
- /* template to pass to the bus constructor */
- struct hda_bus_template {
-@@ -711,6 +711,7 @@ struct hda_codec_ops {
- #endif
- void (*reboot_notify)(struct hda_codec *codec);
- };
-+typedef struct hda_codec_ops __no_const hda_codec_ops_no_const;
-
- /* record for amp information cache */
- struct hda_cache_head {
-@@ -741,7 +742,7 @@ struct hda_pcm_ops {
- struct snd_pcm_substream *substream);
- int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
- struct snd_pcm_substream *substream);
--};
-+} __no_const;
-
- /* PCM information for each substream */
- struct hda_pcm_stream {
-@@ -799,7 +800,7 @@ struct hda_codec {
- const char *modelname; /* model name for preset */
-
- /* set by patch */
-- struct hda_codec_ops patch_ops;
-+ hda_codec_ops_no_const patch_ops;
-
- /* PCM to create, set by patch_ops.build_pcms callback */
- unsigned int num_pcms;
-diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
-index 0da778a..bc38b84 100644
---- a/sound/pci/ice1712/ice1712.h
-+++ b/sound/pci/ice1712/ice1712.h
-@@ -269,7 +269,7 @@ struct snd_ak4xxx_private {
- unsigned int mask_flags; /* total mask bits */
- struct snd_akm4xxx_ops {
- void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
-- } ops;
-+ } __no_const ops;
- };
-
- struct snd_ice1712_spdif {
-@@ -285,7 +285,7 @@ struct snd_ice1712_spdif {
- int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
- void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
- int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
-- } ops;
-+ } __no_const ops;
- };
-
-
-diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
-index a8159b81..5f006a5 100644
---- a/sound/pci/ymfpci/ymfpci_main.c
-+++ b/sound/pci/ymfpci/ymfpci_main.c
-@@ -203,8 +203,8 @@ static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
- if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
- break;
- }
-- if (atomic_read(&chip->interrupt_sleep_count)) {
-- atomic_set(&chip->interrupt_sleep_count, 0);
-+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
-+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
- wake_up(&chip->interrupt_sleep);
- }
- __end:
-@@ -788,7 +788,7 @@ static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
- continue;
- init_waitqueue_entry(&wait, current);
- add_wait_queue(&chip->interrupt_sleep, &wait);
-- atomic_inc(&chip->interrupt_sleep_count);
-+ atomic_inc_unchecked(&chip->interrupt_sleep_count);
- schedule_timeout_uninterruptible(msecs_to_jiffies(50));
- remove_wait_queue(&chip->interrupt_sleep, &wait);
- }
-@@ -826,8 +826,8 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
- snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
- spin_unlock(&chip->reg_lock);
-
-- if (atomic_read(&chip->interrupt_sleep_count)) {
-- atomic_set(&chip->interrupt_sleep_count, 0);
-+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
-+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
- wake_up(&chip->interrupt_sleep);
- }
- }
-@@ -2398,7 +2398,7 @@ int __devinit snd_ymfpci_create(struct snd_card *card,
- spin_lock_init(&chip->reg_lock);
- spin_lock_init(&chip->voice_lock);
- init_waitqueue_head(&chip->interrupt_sleep);
-- atomic_set(&chip->interrupt_sleep_count, 0);
-+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
-diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore
-new file mode 100644
-index 0000000..50f2f2f
---- /dev/null
-+++ b/tools/gcc/.gitignore
-@@ -0,0 +1 @@
-+size_overflow_hash.h
-diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile
-new file mode 100644
-index 0000000..1d09b7e
---- /dev/null
-+++ b/tools/gcc/Makefile
-@@ -0,0 +1,43 @@
-+#CC := gcc
-+#PLUGIN_SOURCE_FILES := pax_plugin.c
-+#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES))
-+GCCPLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
-+#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -std=gnu99
-+
-+ifeq ($(PLUGINCC),$(HOSTCC))
-+HOSTLIBS := hostlibs
-+HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(GCCPLUGINS_DIR)/include/c-family -std=gnu99 -ggdb
-+else
-+HOSTLIBS := hostcxxlibs
-+HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(GCCPLUGINS_DIR)/include/c-family -std=gnu++98 -ggdb -Wno-unused-parameter
-+endif
-+
-+$(HOSTLIBS)-y := constify_plugin.so
-+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STACKLEAK) += stackleak_plugin.so
-+$(HOSTLIBS)-$(CONFIG_KALLOCSTAT_PLUGIN) += kallocstat_plugin.so
-+$(HOSTLIBS)-$(CONFIG_PAX_KERNEXEC_PLUGIN) += kernexec_plugin.so
-+$(HOSTLIBS)-$(CONFIG_CHECKER_PLUGIN) += checker_plugin.so
-+$(HOSTLIBS)-y += colorize_plugin.so
-+$(HOSTLIBS)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so
-+$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so
-+
-+always := $($(HOSTLIBS)-y)
-+
-+constify_plugin-objs := constify_plugin.o
-+stackleak_plugin-objs := stackleak_plugin.o
-+kallocstat_plugin-objs := kallocstat_plugin.o
-+kernexec_plugin-objs := kernexec_plugin.o
-+checker_plugin-objs := checker_plugin.o
-+colorize_plugin-objs := colorize_plugin.o
-+size_overflow_plugin-objs := size_overflow_plugin.o
-+latent_entropy_plugin-objs := latent_entropy_plugin.o
-+
-+$(obj)/size_overflow_plugin.o: $(objtree)/$(obj)/size_overflow_hash.h
-+
-+quiet_cmd_build_size_overflow_hash = GENHASH $@
-+ cmd_build_size_overflow_hash = \
-+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -d $< -o $@
-+$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE
-+ $(call if_changed,build_size_overflow_hash)
-+
-+targets += size_overflow_hash.h
-diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c
-new file mode 100644
-index 0000000..d41b5af
---- /dev/null
-+++ b/tools/gcc/checker_plugin.c
-@@ -0,0 +1,171 @@
-+/*
-+ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to implement various sparse (source code checker) features
-+ *
-+ * TODO:
-+ * - define separate __iomem, __percpu and __rcu address spaces (lots of code to patch)
-+ *
-+ * BUGS:
-+ * - none known
-+ */
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+//#include "expr.h" where are you...
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+#include "tree-flow.h"
-+#include "target.h"
-+
-+extern void c_register_addr_space (const char *str, addr_space_t as);
-+extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
-+extern enum machine_mode default_addr_space_address_mode (addr_space_t);
-+extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as);
-+extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as);
-+extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as);
-+
-+extern void print_gimple_stmt(FILE *, gimple, int, int);
-+extern rtx emit_move_insn(rtx x, rtx y);
-+
-+int plugin_is_GPL_compatible;
-+
-+static struct plugin_info checker_plugin_info = {
-+ .version = "201111150100",
-+};
-+
-+#define ADDR_SPACE_KERNEL 0
-+#define ADDR_SPACE_FORCE_KERNEL 1
-+#define ADDR_SPACE_USER 2
-+#define ADDR_SPACE_FORCE_USER 3
-+#define ADDR_SPACE_IOMEM 0
-+#define ADDR_SPACE_FORCE_IOMEM 0
-+#define ADDR_SPACE_PERCPU 0
-+#define ADDR_SPACE_FORCE_PERCPU 0
-+#define ADDR_SPACE_RCU 0
-+#define ADDR_SPACE_FORCE_RCU 0
-+
-+static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace)
-+{
-+ return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC);
-+}
-+
-+static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace)
-+{
-+ return default_addr_space_address_mode(ADDR_SPACE_GENERIC);
-+}
-+
-+static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as)
-+{
-+ return default_addr_space_valid_pointer_mode(mode, as);
-+}
-+
-+static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as)
-+{
-+ return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC);
-+}
-+
-+static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as)
-+{
-+ return default_addr_space_legitimize_address(x, oldx, mode, as);
-+}
-+
-+static bool checker_addr_space_subset_p(addr_space_t subset, addr_space_t superset)
-+{
-+ if (subset == ADDR_SPACE_FORCE_KERNEL && superset == ADDR_SPACE_KERNEL)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_FORCE_USER && superset == ADDR_SPACE_USER)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_FORCE_IOMEM && superset == ADDR_SPACE_IOMEM)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_USER)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_IOMEM)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_USER && superset == ADDR_SPACE_FORCE_KERNEL)
-+ return true;
-+
-+ if (subset == ADDR_SPACE_IOMEM && superset == ADDR_SPACE_FORCE_KERNEL)
-+ return true;
-+
-+ return subset == superset;
-+}
-+
-+static rtx checker_addr_space_convert(rtx op, tree from_type, tree to_type)
-+{
-+// addr_space_t from_as = TYPE_ADDR_SPACE(TREE_TYPE(from_type));
-+// addr_space_t to_as = TYPE_ADDR_SPACE(TREE_TYPE(to_type));
-+
-+ return op;
-+}
-+
-+static void register_checker_address_spaces(void *event_data, void *data)
-+{
-+ c_register_addr_space("__kernel", ADDR_SPACE_KERNEL);
-+ c_register_addr_space("__force_kernel", ADDR_SPACE_FORCE_KERNEL);
-+ c_register_addr_space("__user", ADDR_SPACE_USER);
-+ c_register_addr_space("__force_user", ADDR_SPACE_FORCE_USER);
-+// c_register_addr_space("__iomem", ADDR_SPACE_IOMEM);
-+// c_register_addr_space("__force_iomem", ADDR_SPACE_FORCE_IOMEM);
-+// c_register_addr_space("__percpu", ADDR_SPACE_PERCPU);
-+// c_register_addr_space("__force_percpu", ADDR_SPACE_FORCE_PERCPU);
-+// c_register_addr_space("__rcu", ADDR_SPACE_RCU);
-+// c_register_addr_space("__force_rcu", ADDR_SPACE_FORCE_RCU);
-+
-+ targetm.addr_space.pointer_mode = checker_addr_space_pointer_mode;
-+ targetm.addr_space.address_mode = checker_addr_space_address_mode;
-+ targetm.addr_space.valid_pointer_mode = checker_addr_space_valid_pointer_mode;
-+ targetm.addr_space.legitimate_address_p = checker_addr_space_legitimate_address_p;
-+// targetm.addr_space.legitimize_address = checker_addr_space_legitimize_address;
-+ targetm.addr_space.subset_p = checker_addr_space_subset_p;
-+ targetm.addr_space.convert = checker_addr_space_convert;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ const int argc = plugin_info->argc;
-+ const struct plugin_argument * const argv = plugin_info->argv;
-+ int i;
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &checker_plugin_info);
-+
-+ for (i = 0; i < argc; ++i)
-+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+
-+ if (TARGET_64BIT == 0)
-+ return 0;
-+
-+ register_callback(plugin_name, PLUGIN_PRAGMAS, register_checker_address_spaces, NULL);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/colorize_plugin.c b/tools/gcc/colorize_plugin.c
-new file mode 100644
-index 0000000..846aeb0
---- /dev/null
-+++ b/tools/gcc/colorize_plugin.c
-@@ -0,0 +1,148 @@
-+/*
-+ * Copyright 2012 by PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to colorize diagnostic output
-+ *
-+ */
-+
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+
-+int plugin_is_GPL_compatible;
-+
-+static struct plugin_info colorize_plugin_info = {
-+ .version = "201203092200",
-+ .help = NULL,
-+};
-+
-+#define GREEN "\033[32m\033[2m"
-+#define LIGHTGREEN "\033[32m\033[1m"
-+#define YELLOW "\033[33m\033[2m"
-+#define LIGHTYELLOW "\033[33m\033[1m"
-+#define RED "\033[31m\033[2m"
-+#define LIGHTRED "\033[31m\033[1m"
-+#define BLUE "\033[34m\033[2m"
-+#define LIGHTBLUE "\033[34m\033[1m"
-+#define BRIGHT "\033[m\033[1m"
-+#define NORMAL "\033[m"
-+
-+static diagnostic_starter_fn old_starter;
-+static diagnostic_finalizer_fn old_finalizer;
-+
-+static void start_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
-+{
-+ const char *color;
-+ char *newprefix;
-+
-+ switch (diagnostic->kind) {
-+ case DK_NOTE:
-+ color = LIGHTBLUE;
-+ break;
-+
-+ case DK_PEDWARN:
-+ case DK_WARNING:
-+ color = LIGHTYELLOW;
-+ break;
-+
-+ case DK_ERROR:
-+ case DK_FATAL:
-+ case DK_ICE:
-+ case DK_PERMERROR:
-+ case DK_SORRY:
-+ color = LIGHTRED;
-+ break;
-+
-+ default:
-+ color = NORMAL;
-+ }
-+
-+ old_starter(context, diagnostic);
-+ if (-1 == asprintf(&newprefix, "%s%s" NORMAL, color, context->printer->prefix))
-+ return;
-+ pp_destroy_prefix(context->printer);
-+ pp_set_prefix(context->printer, newprefix);
-+}
-+
-+static void finalize_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
-+{
-+ old_finalizer(context, diagnostic);
-+}
-+
-+static void colorize_arm(void)
-+{
-+ old_starter = diagnostic_starter(global_dc);
-+ old_finalizer = diagnostic_finalizer(global_dc);
-+
-+ diagnostic_starter(global_dc) = start_colorize;
-+ diagnostic_finalizer(global_dc) = finalize_colorize;
-+}
-+
-+static unsigned int execute_colorize_rearm(void)
-+{
-+ if (diagnostic_starter(global_dc) == start_colorize)
-+ return 0;
-+
-+ colorize_arm();
-+ return 0;
-+}
-+
-+struct simple_ipa_opt_pass pass_ipa_colorize_rearm = {
-+ .pass = {
-+ .type = SIMPLE_IPA_PASS,
-+ .name = "colorize_rearm",
-+ .gate = NULL,
-+ .execute = execute_colorize_rearm,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = 0
-+ }
-+};
-+
-+static void colorize_start_unit(void *gcc_data, void *user_data)
-+{
-+ colorize_arm();
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ struct register_pass_info colorize_rearm_pass_info = {
-+ .pass = &pass_ipa_colorize_rearm.pass,
-+ .reference_pass_name = "*free_lang_data",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &colorize_plugin_info);
-+ register_callback(plugin_name, PLUGIN_START_UNIT, &colorize_start_unit, NULL);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &colorize_rearm_pass_info);
-+ return 0;
-+}
-diff --git a/tools/gcc/constify_plugin.c b/tools/gcc/constify_plugin.c
-new file mode 100644
-index 0000000..048d4ff
---- /dev/null
-+++ b/tools/gcc/constify_plugin.c
-@@ -0,0 +1,328 @@
-+/*
-+ * Copyright 2011 by Emese Revfy <re.emese(a)gmail.com>
-+ * Copyright 2011 by PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2, or (at your option) v3
-+ *
-+ * This gcc plugin constifies all structures which contain only function pointers or are explicitly marked for constification.
-+ *
-+ * Homepage:
-+ * http://www.grsecurity.net/~ephox/const_plugin/
-+ *
-+ * Usage:
-+ * $ gcc -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -o constify_plugin.so constify_plugin.c
-+ * $ gcc -fplugin=constify_plugin.so test.c -O2
-+ */
-+
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+#include "tree-flow.h"
-+
-+#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
-+
-+int plugin_is_GPL_compatible;
-+
-+static struct plugin_info const_plugin_info = {
-+ .version = "201205300030",
-+ .help = "no-constify\tturn off constification\n",
-+};
-+
-+static void deconstify_tree(tree node);
-+
-+static void deconstify_type(tree type)
-+{
-+ tree field;
-+
-+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) {
-+ tree type = TREE_TYPE(field);
-+
-+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
-+ continue;
-+ if (!TYPE_READONLY(type))
-+ continue;
-+
-+ deconstify_tree(field);
-+ }
-+ TYPE_READONLY(type) = 0;
-+ C_TYPE_FIELDS_READONLY(type) = 0;
-+}
-+
-+static void deconstify_tree(tree node)
-+{
-+ tree old_type, new_type, field;
-+
-+ old_type = TREE_TYPE(node);
-+
-+ gcc_assert(TYPE_READONLY(old_type) && (TYPE_QUALS(old_type) & TYPE_QUAL_CONST));
-+
-+ new_type = build_qualified_type(old_type, TYPE_QUALS(old_type) & ~TYPE_QUAL_CONST);
-+ TYPE_FIELDS(new_type) = copy_list(TYPE_FIELDS(new_type));
-+ for (field = TYPE_FIELDS(new_type); field; field = TREE_CHAIN(field))
-+ DECL_FIELD_CONTEXT(field) = new_type;
-+
-+ deconstify_type(new_type);
-+
-+ TREE_READONLY(node) = 0;
-+ TREE_TYPE(node) = new_type;
-+}
-+
-+static tree handle_no_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
-+{
-+ tree type;
-+
-+ *no_add_attrs = true;
-+ if (TREE_CODE(*node) == FUNCTION_DECL) {
-+ error("%qE attribute does not apply to functions", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (TREE_CODE(*node) == VAR_DECL) {
-+ error("%qE attribute does not apply to variables", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (TYPE_P(*node)) {
-+ if (TREE_CODE(*node) == RECORD_TYPE || TREE_CODE(*node) == UNION_TYPE)
-+ *no_add_attrs = false;
-+ else
-+ error("%qE attribute applies to struct and union types only", name);
-+ return NULL_TREE;
-+ }
-+
-+ type = TREE_TYPE(*node);
-+
-+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) {
-+ error("%qE attribute applies to struct and union types only", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) {
-+ error("%qE attribute is already applied to the type", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (TREE_CODE(*node) == TYPE_DECL && !TYPE_READONLY(type)) {
-+ error("%qE attribute used on type that is not constified", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (TREE_CODE(*node) == TYPE_DECL) {
-+ deconstify_tree(*node);
-+ return NULL_TREE;
-+ }
-+
-+ return NULL_TREE;
-+}
-+
-+static void constify_type(tree type)
-+{
-+ TYPE_READONLY(type) = 1;
-+ C_TYPE_FIELDS_READONLY(type) = 1;
-+}
-+
-+static tree handle_do_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
-+{
-+ *no_add_attrs = true;
-+ if (!TYPE_P(*node)) {
-+ error("%qE attribute applies to types only", name);
-+ return NULL_TREE;
-+ }
-+
-+ if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) {
-+ error("%qE attribute applies to struct and union types only", name);
-+ return NULL_TREE;
-+ }
-+
-+ *no_add_attrs = false;
-+ constify_type(*node);
-+ return NULL_TREE;
-+}
-+
-+static struct attribute_spec no_const_attr = {
-+ .name = "no_const",
-+ .min_length = 0,
-+ .max_length = 0,
-+ .decl_required = false,
-+ .type_required = false,
-+ .function_type_required = false,
-+ .handler = handle_no_const_attribute,
-+#if BUILDING_GCC_VERSION >= 4007
-+ .affects_type_identity = true
-+#endif
-+};
-+
-+static struct attribute_spec do_const_attr = {
-+ .name = "do_const",
-+ .min_length = 0,
-+ .max_length = 0,
-+ .decl_required = false,
-+ .type_required = false,
-+ .function_type_required = false,
-+ .handler = handle_do_const_attribute,
-+#if BUILDING_GCC_VERSION >= 4007
-+ .affects_type_identity = true
-+#endif
-+};
-+
-+static void register_attributes(void *event_data, void *data)
-+{
-+ register_attribute(&no_const_attr);
-+ register_attribute(&do_const_attr);
-+}
-+
-+static bool is_fptr(tree field)
-+{
-+ tree ptr = TREE_TYPE(field);
-+
-+ if (TREE_CODE(ptr) != POINTER_TYPE)
-+ return false;
-+
-+ return TREE_CODE(TREE_TYPE(ptr)) == FUNCTION_TYPE;
-+}
-+
-+static bool walk_struct(tree node)
-+{
-+ tree field;
-+
-+ if (TYPE_FIELDS(node) == NULL_TREE)
-+ return false;
-+
-+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(node))) {
-+ gcc_assert(!TYPE_READONLY(node));
-+ deconstify_type(node);
-+ return false;
-+ }
-+
-+ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
-+ tree type = TREE_TYPE(field);
-+ enum tree_code code = TREE_CODE(type);
-+ if (code == RECORD_TYPE || code == UNION_TYPE) {
-+ if (!(walk_struct(type)))
-+ return false;
-+ } else if (!is_fptr(field) && !TREE_READONLY(field))
-+ return false;
-+ }
-+ return true;
-+}
-+
-+static void finish_type(void *event_data, void *data)
-+{
-+ tree type = (tree)event_data;
-+
-+ if (type == NULL_TREE)
-+ return;
-+
-+ if (TYPE_READONLY(type))
-+ return;
-+
-+ if (walk_struct(type))
-+ constify_type(type);
-+}
-+
-+static unsigned int check_local_variables(void);
-+
-+struct gimple_opt_pass pass_local_variable = {
-+ {
-+ .type = GIMPLE_PASS,
-+ .name = "check_local_variables",
-+ .gate = NULL,
-+ .execute = check_local_variables,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = 0
-+ }
-+};
-+
-+static unsigned int check_local_variables(void)
-+{
-+ tree var;
-+ referenced_var_iterator rvi;
-+
-+#if BUILDING_GCC_VERSION == 4005
-+ FOR_EACH_REFERENCED_VAR(var, rvi) {
-+#else
-+ FOR_EACH_REFERENCED_VAR(cfun, var, rvi) {
-+#endif
-+ tree type = TREE_TYPE(var);
-+
-+ if (!DECL_P(var) || TREE_STATIC(var) || DECL_EXTERNAL(var))
-+ continue;
-+
-+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
-+ continue;
-+
-+ if (!TYPE_READONLY(type))
-+ continue;
-+
-+// if (lookup_attribute("no_const", DECL_ATTRIBUTES(var)))
-+// continue;
-+
-+// if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type)))
-+// continue;
-+
-+ if (walk_struct(type)) {
-+ error_at(DECL_SOURCE_LOCATION(var), "constified variable %qE cannot be local", var);
-+ return 1;
-+ }
-+ }
-+ return 0;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ const int argc = plugin_info->argc;
-+ const struct plugin_argument * const argv = plugin_info->argv;
-+ int i;
-+ bool constify = true;
-+
-+ struct register_pass_info local_variable_pass_info = {
-+ .pass = &pass_local_variable.pass,
-+ .reference_pass_name = "*referenced_vars",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ for (i = 0; i < argc; ++i) {
-+ if (!(strcmp(argv[i].key, "no-constify"))) {
-+ constify = false;
-+ continue;
-+ }
-+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info);
-+ if (constify) {
-+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &local_variable_pass_info);
-+ }
-+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/generate_size_overflow_hash.sh b/tools/gcc/generate_size_overflow_hash.sh
-new file mode 100644
-index 0000000..68b646e
---- /dev/null
-+++ b/tools/gcc/generate_size_overflow_hash.sh
-@@ -0,0 +1,94 @@
-+#!/bin/bash
-+
-+# This script generates the hash table (size_overflow_hash.h) for the size_overflow gcc plugin (size_overflow_plugin.c).
-+
-+header1="size_overflow_hash.h"
-+database="size_overflow_hash.data"
-+n=65536
-+
-+usage() {
-+cat <<EOF
-+usage: $0 options
-+OPTIONS:
-+ -h|--help help
-+ -o header file
-+ -d database file
-+ -n hash array size
-+EOF
-+ return 0
-+}
-+
-+while true
-+do
-+ case "$1" in
-+ -h|--help) usage && exit 0;;
-+ -n) n=$2; shift 2;;
-+ -o) header1="$2"; shift 2;;
-+ -d) database="$2"; shift 2;;
-+ --) shift 1; break ;;
-+ *) break ;;
-+ esac
-+done
-+
-+create_defines() {
-+ for i in `seq 1 10`
-+ do
-+ echo -e "#define PARAM"$i" (1U << "$i")" >> "$header1"
-+ done
-+ echo >> "$header1"
-+}
-+
-+create_structs () {
-+ rm -f "$header1"
-+
-+ create_defines
-+
-+ cat "$database" | while read data
-+ do
-+ data_array=($data)
-+ struct_hash_name="${data_array[0]}"
-+ funcn="${data_array[1]}"
-+ params="${data_array[2]}"
-+ next="${data_array[5]}"
-+
-+ echo "const struct size_overflow_hash $struct_hash_name = {" >> "$header1"
-+
-+ echo -e "\t.next\t= $next,\n\t.name\t= \"$funcn\"," >> "$header1"
-+ echo -en "\t.param\t= " >> "$header1"
-+ line=
-+ for param_num in ${params//-/ };
-+ do
-+ line="${line}PARAM"$param_num"|"
-+ done
-+
-+ echo -e "${line%?},\n};\n" >> "$header1"
-+ done
-+}
-+
-+create_headers () {
-+ echo "const struct size_overflow_hash * const size_overflow_hash[$n] = {" >> "$header1"
-+}
-+
-+create_array_elements () {
-+ index=0
-+ grep -v "nohasharray" $database | sort -n -k 4 | while read data
-+ do
-+ data_array=($data)
-+ i="${data_array[3]}"
-+ hash="${data_array[4]}"
-+ while [[ $index -lt $i ]]
-+ do
-+ echo -e "\t["$index"]\t= NULL," >> "$header1"
-+ index=$(($index + 1))
-+ done
-+ index=$(($index + 1))
-+ echo -e "\t["$i"]\t= &"$hash"," >> "$header1"
-+ done
-+ echo '};' >> $header1
-+}
-+
-+create_structs
-+create_headers
-+create_array_elements
-+
-+exit 0
-diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c
-new file mode 100644
-index 0000000..a86e422
---- /dev/null
-+++ b/tools/gcc/kallocstat_plugin.c
-@@ -0,0 +1,167 @@
-+/*
-+ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to find the distribution of k*alloc sizes
-+ *
-+ * TODO:
-+ *
-+ * BUGS:
-+ * - none known
-+ */
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+//#include "expr.h" where are you...
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+
-+extern void print_gimple_stmt(FILE *, gimple, int, int);
-+
-+int plugin_is_GPL_compatible;
-+
-+static const char * const kalloc_functions[] = {
-+ "__kmalloc",
-+ "kmalloc",
-+ "kmalloc_large",
-+ "kmalloc_node",
-+ "kmalloc_order",
-+ "kmalloc_order_trace",
-+ "kmalloc_slab",
-+ "kzalloc",
-+ "kzalloc_node",
-+};
-+
-+static struct plugin_info kallocstat_plugin_info = {
-+ .version = "201111150100",
-+};
-+
-+static unsigned int execute_kallocstat(void);
-+
-+static struct gimple_opt_pass kallocstat_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "kallocstat",
-+ .gate = NULL,
-+ .execute = execute_kallocstat,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = 0
-+ }
-+};
-+
-+static bool is_kalloc(const char *fnname)
-+{
-+ size_t i;
-+
-+ for (i = 0; i < ARRAY_SIZE(kalloc_functions); i++)
-+ if (!strcmp(fnname, kalloc_functions[i]))
-+ return true;
-+ return false;
-+}
-+
-+static unsigned int execute_kallocstat(void)
-+{
-+ basic_block bb;
-+
-+ // 1. loop through BBs and GIMPLE statements
-+ FOR_EACH_BB(bb) {
-+ gimple_stmt_iterator gsi;
-+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
-+ // gimple match:
-+ tree fndecl, size;
-+ gimple call_stmt;
-+ const char *fnname;
-+
-+ // is it a call
-+ call_stmt = gsi_stmt(gsi);
-+ if (!is_gimple_call(call_stmt))
-+ continue;
-+ fndecl = gimple_call_fndecl(call_stmt);
-+ if (fndecl == NULL_TREE)
-+ continue;
-+ if (TREE_CODE(fndecl) != FUNCTION_DECL)
-+ continue;
-+
-+ // is it a call to k*alloc
-+ fnname = IDENTIFIER_POINTER(DECL_NAME(fndecl));
-+ if (!is_kalloc(fnname))
-+ continue;
-+
-+ // is the size arg the result of a simple const assignment
-+ size = gimple_call_arg(call_stmt, 0);
-+ while (true) {
-+ gimple def_stmt;
-+ expanded_location xloc;
-+ size_t size_val;
-+
-+ if (TREE_CODE(size) != SSA_NAME)
-+ break;
-+ def_stmt = SSA_NAME_DEF_STMT(size);
-+ if (!def_stmt || !is_gimple_assign(def_stmt))
-+ break;
-+ if (gimple_num_ops(def_stmt) != 2)
-+ break;
-+ size = gimple_assign_rhs1(def_stmt);
-+ if (!TREE_CONSTANT(size))
-+ continue;
-+ xloc = expand_location(gimple_location(def_stmt));
-+ if (!xloc.file)
-+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
-+ size_val = TREE_INT_CST_LOW(size);
-+ fprintf(stderr, "kallocsize: %8zu %8zx %s %s:%u\n", size_val, size_val, fnname, xloc.file, xloc.line);
-+ break;
-+ }
-+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
-+//debug_tree(gimple_call_fn(call_stmt));
-+//print_node(stderr, "pax", fndecl, 4);
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ struct register_pass_info kallocstat_pass_info = {
-+ .pass = &kallocstat_pass.pass,
-+ .reference_pass_name = "ssa",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kallocstat_plugin_info);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kallocstat_pass_info);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c
-new file mode 100644
-index 0000000..98011fa
---- /dev/null
-+++ b/tools/gcc/kernexec_plugin.c
-@@ -0,0 +1,427 @@
-+/*
-+ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to make KERNEXEC/amd64 almost as good as it is on i386
-+ *
-+ * TODO:
-+ *
-+ * BUGS:
-+ * - none known
-+ */
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+//#include "expr.h" where are you...
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+#include "tree-flow.h"
-+
-+extern void print_gimple_stmt(FILE *, gimple, int, int);
-+extern rtx emit_move_insn(rtx x, rtx y);
-+
-+int plugin_is_GPL_compatible;
-+
-+static struct plugin_info kernexec_plugin_info = {
-+ .version = "201111291120",
-+ .help = "method=[bts|or]\tinstrumentation method\n"
-+};
-+
-+static unsigned int execute_kernexec_reload(void);
-+static unsigned int execute_kernexec_fptr(void);
-+static unsigned int execute_kernexec_retaddr(void);
-+static bool kernexec_cmodel_check(void);
-+
-+static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *);
-+static void (*kernexec_instrument_retaddr)(rtx);
-+
-+static struct gimple_opt_pass kernexec_reload_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "kernexec_reload",
-+ .gate = kernexec_cmodel_check,
-+ .execute = execute_kernexec_reload,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
-+ }
-+};
-+
-+static struct gimple_opt_pass kernexec_fptr_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "kernexec_fptr",
-+ .gate = kernexec_cmodel_check,
-+ .execute = execute_kernexec_fptr,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
-+ }
-+};
-+
-+static struct rtl_opt_pass kernexec_retaddr_pass = {
-+ .pass = {
-+ .type = RTL_PASS,
-+ .name = "kernexec_retaddr",
-+ .gate = kernexec_cmodel_check,
-+ .execute = execute_kernexec_retaddr,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = TODO_dump_func | TODO_ggc_collect
-+ }
-+};
-+
-+static bool kernexec_cmodel_check(void)
-+{
-+ tree section;
-+
-+ if (ix86_cmodel != CM_KERNEL)
-+ return false;
-+
-+ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl));
-+ if (!section || !TREE_VALUE(section))
-+ return true;
-+
-+ section = TREE_VALUE(TREE_VALUE(section));
-+ if (strncmp(TREE_STRING_POINTER(section), ".vsyscall_", 10))
-+ return true;
-+
-+ return false;
-+}
-+
-+/*
-+ * add special KERNEXEC instrumentation: reload %r10 after it has been clobbered
-+ */
-+static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi)
-+{
-+ gimple asm_movabs_stmt;
-+
-+ // build asm volatile("movabs $0x8000000000000000, %%r10\n\t" : : : );
-+ asm_movabs_stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r10\n\t", NULL, NULL, NULL, NULL);
-+ gimple_asm_set_volatile(asm_movabs_stmt, true);
-+ gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING);
-+ update_stmt(asm_movabs_stmt);
-+}
-+
-+/*
-+ * find all asm() stmts that clobber r10 and add a reload of r10
-+ */
-+static unsigned int execute_kernexec_reload(void)
-+{
-+ basic_block bb;
-+
-+ // 1. loop through BBs and GIMPLE statements
-+ FOR_EACH_BB(bb) {
-+ gimple_stmt_iterator gsi;
-+
-+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
-+ // gimple match: __asm__ ("" : : : "r10");
-+ gimple asm_stmt;
-+ size_t nclobbers;
-+
-+ // is it an asm ...
-+ asm_stmt = gsi_stmt(gsi);
-+ if (gimple_code(asm_stmt) != GIMPLE_ASM)
-+ continue;
-+
-+ // ... clobbering r10
-+ nclobbers = gimple_asm_nclobbers(asm_stmt);
-+ while (nclobbers--) {
-+ tree op = gimple_asm_clobber_op(asm_stmt, nclobbers);
-+ if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r10"))
-+ continue;
-+ kernexec_reload_fptr_mask(&gsi);
-+//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO);
-+ break;
-+ }
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+/*
-+ * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce
-+ * a non-canonical address from a userland ptr and will just trigger a GPF on dereference
-+ */
-+static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi)
-+{
-+ gimple assign_intptr, assign_new_fptr, call_stmt;
-+ tree intptr, old_fptr, new_fptr, kernexec_mask;
-+
-+ call_stmt = gsi_stmt(*gsi);
-+ old_fptr = gimple_call_fn(call_stmt);
-+
-+ // create temporary unsigned long variable used for bitops and cast fptr to it
-+ intptr = create_tmp_var(long_unsigned_type_node, "kernexec_bts");
-+ add_referenced_var(intptr);
-+ mark_sym_for_renaming(intptr);
-+ assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr));
-+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
-+ update_stmt(assign_intptr);
-+
-+ // apply logical or to temporary unsigned long and bitmask
-+ kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL);
-+// kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL);
-+ assign_intptr = gimple_build_assign(intptr, fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask));
-+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
-+ update_stmt(assign_intptr);
-+
-+ // cast temporary unsigned long back to a temporary fptr variable
-+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_fptr");
-+ add_referenced_var(new_fptr);
-+ mark_sym_for_renaming(new_fptr);
-+ assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr));
-+ gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT);
-+ update_stmt(assign_new_fptr);
-+
-+ // replace call stmt fn with the new fptr
-+ gimple_call_set_fn(call_stmt, new_fptr);
-+ update_stmt(call_stmt);
-+}
-+
-+static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi)
-+{
-+ gimple asm_or_stmt, call_stmt;
-+ tree old_fptr, new_fptr, input, output;
-+ VEC(tree, gc) *inputs = NULL;
-+ VEC(tree, gc) *outputs = NULL;
-+
-+ call_stmt = gsi_stmt(*gsi);
-+ old_fptr = gimple_call_fn(call_stmt);
-+
-+ // create temporary fptr variable
-+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_or");
-+ add_referenced_var(new_fptr);
-+ mark_sym_for_renaming(new_fptr);
-+
-+ // build asm volatile("orq %%r10, %0\n\t" : "=r"(new_fptr) : "0"(old_fptr));
-+ input = build_tree_list(NULL_TREE, build_string(2, "0"));
-+ input = chainon(NULL_TREE, build_tree_list(input, old_fptr));
-+ output = build_tree_list(NULL_TREE, build_string(3, "=r"));
-+ output = chainon(NULL_TREE, build_tree_list(output, new_fptr));
-+ VEC_safe_push(tree, gc, inputs, input);
-+ VEC_safe_push(tree, gc, outputs, output);
-+ asm_or_stmt = gimple_build_asm_vec("orq %%r10, %0\n\t", inputs, outputs, NULL, NULL);
-+ gimple_asm_set_volatile(asm_or_stmt, true);
-+ gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT);
-+ update_stmt(asm_or_stmt);
-+
-+ // replace call stmt fn with the new fptr
-+ gimple_call_set_fn(call_stmt, new_fptr);
-+ update_stmt(call_stmt);
-+}
-+
-+/*
-+ * find all C level function pointer dereferences and forcibly set the highest bit of the pointer
-+ */
-+static unsigned int execute_kernexec_fptr(void)
-+{
-+ basic_block bb;
-+
-+ // 1. loop through BBs and GIMPLE statements
-+ FOR_EACH_BB(bb) {
-+ gimple_stmt_iterator gsi;
-+
-+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
-+ // gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D));
-+ tree fn;
-+ gimple call_stmt;
-+
-+ // is it a call ...
-+ call_stmt = gsi_stmt(gsi);
-+ if (!is_gimple_call(call_stmt))
-+ continue;
-+ fn = gimple_call_fn(call_stmt);
-+ if (TREE_CODE(fn) == ADDR_EXPR)
-+ continue;
-+ if (TREE_CODE(fn) != SSA_NAME)
-+ gcc_unreachable();
-+
-+ // ... through a function pointer
-+ fn = SSA_NAME_VAR(fn);
-+ if (TREE_CODE(fn) != VAR_DECL && TREE_CODE(fn) != PARM_DECL)
-+ continue;
-+ fn = TREE_TYPE(fn);
-+ if (TREE_CODE(fn) != POINTER_TYPE)
-+ continue;
-+ fn = TREE_TYPE(fn);
-+ if (TREE_CODE(fn) != FUNCTION_TYPE)
-+ continue;
-+
-+ kernexec_instrument_fptr(&gsi);
-+
-+//debug_tree(gimple_call_fn(call_stmt));
-+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+// add special KERNEXEC instrumentation: btsq $63,(%rsp) just before retn
-+static void kernexec_instrument_retaddr_bts(rtx insn)
-+{
-+ rtx btsq;
-+ rtvec argvec, constraintvec, labelvec;
-+ int line;
-+
-+ // create asm volatile("btsq $63,(%%rsp)":::)
-+ argvec = rtvec_alloc(0);
-+ constraintvec = rtvec_alloc(0);
-+ labelvec = rtvec_alloc(0);
-+ line = expand_location(RTL_LOCATION(insn)).line;
-+ btsq = gen_rtx_ASM_OPERANDS(VOIDmode, "btsq $63,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
-+ MEM_VOLATILE_P(btsq) = 1;
-+// RTX_FRAME_RELATED_P(btsq) = 1; // not for ASM_OPERANDS
-+ emit_insn_before(btsq, insn);
-+}
-+
-+// add special KERNEXEC instrumentation: orq %r10,(%rsp) just before retn
-+static void kernexec_instrument_retaddr_or(rtx insn)
-+{
-+ rtx orq;
-+ rtvec argvec, constraintvec, labelvec;
-+ int line;
-+
-+ // create asm volatile("orq %%r10,(%%rsp)":::)
-+ argvec = rtvec_alloc(0);
-+ constraintvec = rtvec_alloc(0);
-+ labelvec = rtvec_alloc(0);
-+ line = expand_location(RTL_LOCATION(insn)).line;
-+ orq = gen_rtx_ASM_OPERANDS(VOIDmode, "orq %%r10,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
-+ MEM_VOLATILE_P(orq) = 1;
-+// RTX_FRAME_RELATED_P(orq) = 1; // not for ASM_OPERANDS
-+ emit_insn_before(orq, insn);
-+}
-+
-+/*
-+ * find all asm level function returns and forcibly set the highest bit of the return address
-+ */
-+static unsigned int execute_kernexec_retaddr(void)
-+{
-+ rtx insn;
-+
-+ // 1. find function returns
-+ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
-+ // rtl match: (jump_insn 41 40 42 2 (return) fptr.c:42 634 {return_internal} (nil))
-+ // (jump_insn 12 9 11 2 (parallel [ (return) (unspec [ (0) ] UNSPEC_REP) ]) fptr.c:46 635 {return_internal_long} (nil))
-+ rtx body;
-+
-+ // is it a retn
-+ if (!JUMP_P(insn))
-+ continue;
-+ body = PATTERN(insn);
-+ if (GET_CODE(body) == PARALLEL)
-+ body = XVECEXP(body, 0, 0);
-+ if (GET_CODE(body) != RETURN)
-+ continue;
-+ kernexec_instrument_retaddr(insn);
-+ }
-+
-+// print_simple_rtl(stderr, get_insns());
-+// print_rtl(stderr, get_insns());
-+
-+ return 0;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ const int argc = plugin_info->argc;
-+ const struct plugin_argument * const argv = plugin_info->argv;
-+ int i;
-+ struct register_pass_info kernexec_reload_pass_info = {
-+ .pass = &kernexec_reload_pass.pass,
-+ .reference_pass_name = "ssa",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+ struct register_pass_info kernexec_fptr_pass_info = {
-+ .pass = &kernexec_fptr_pass.pass,
-+ .reference_pass_name = "ssa",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+ struct register_pass_info kernexec_retaddr_pass_info = {
-+ .pass = &kernexec_retaddr_pass.pass,
-+ .reference_pass_name = "pro_and_epilogue",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kernexec_plugin_info);
-+
-+ if (TARGET_64BIT == 0)
-+ return 0;
-+
-+ for (i = 0; i < argc; ++i) {
-+ if (!strcmp(argv[i].key, "method")) {
-+ if (!argv[i].value) {
-+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ continue;
-+ }
-+ if (!strcmp(argv[i].value, "bts")) {
-+ kernexec_instrument_fptr = kernexec_instrument_fptr_bts;
-+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_bts;
-+ } else if (!strcmp(argv[i].value, "or")) {
-+ kernexec_instrument_fptr = kernexec_instrument_fptr_or;
-+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_or;
-+ fix_register("r10", 1, 1);
-+ } else
-+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
-+ continue;
-+ }
-+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ }
-+ if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr)
-+ error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name);
-+
-+ if (kernexec_instrument_fptr == kernexec_instrument_fptr_or)
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/latent_entropy_plugin.c b/tools/gcc/latent_entropy_plugin.c
-new file mode 100644
-index 0000000..b8008f7
---- /dev/null
-+++ b/tools/gcc/latent_entropy_plugin.c
-@@ -0,0 +1,295 @@
-+/*
-+ * Copyright 2012 by the PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to help generate a little bit of entropy from program state,
-+ * used during boot in the kernel
-+ *
-+ * TODO:
-+ * - add ipa pass to identify not explicitly marked candidate functions
-+ * - mix in more program state (function arguments/return values, loop variables, etc)
-+ * - more instrumentation control via attribute parameters
-+ *
-+ * BUGS:
-+ * - LTO needs -flto-partition=none for now
-+ */
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+//#include "expr.h" where are you...
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+#include "tree-flow.h"
-+
-+int plugin_is_GPL_compatible;
-+
-+static tree latent_entropy_decl;
-+
-+static struct plugin_info latent_entropy_plugin_info = {
-+ .version = "201207271820",
-+ .help = NULL
-+};
-+
-+static unsigned int execute_latent_entropy(void);
-+static bool gate_latent_entropy(void);
-+
-+static struct gimple_opt_pass latent_entropy_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "latent_entropy",
-+ .gate = gate_latent_entropy,
-+ .execute = execute_latent_entropy,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = PROP_gimple_leh | PROP_cfg,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
-+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa
-+ }
-+};
-+
-+static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
-+{
-+ if (TREE_CODE(*node) != FUNCTION_DECL) {
-+ *no_add_attrs = true;
-+ error("%qE attribute only applies to functions", name);
-+ }
-+ return NULL_TREE;
-+}
-+
-+static struct attribute_spec latent_entropy_attr = {
-+ .name = "latent_entropy",
-+ .min_length = 0,
-+ .max_length = 0,
-+ .decl_required = true,
-+ .type_required = false,
-+ .function_type_required = false,
-+ .handler = handle_latent_entropy_attribute,
-+#if BUILDING_GCC_VERSION >= 4007
-+ .affects_type_identity = false
-+#endif
-+};
-+
-+static void register_attributes(void *event_data, void *data)
-+{
-+ register_attribute(&latent_entropy_attr);
-+}
-+
-+static bool gate_latent_entropy(void)
-+{
-+ tree latent_entropy_attr;
-+
-+ latent_entropy_attr = lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl));
-+ return latent_entropy_attr != NULL_TREE;
-+}
-+
-+static unsigned HOST_WIDE_INT seed;
-+static unsigned HOST_WIDE_INT get_random_const(void)
-+{
-+ seed = (seed >> 1U) ^ (-(seed & 1ULL) & 0xD800000000000000ULL);
-+ return seed;
-+}
-+
-+static enum tree_code get_op(tree *rhs)
-+{
-+ static enum tree_code op;
-+ unsigned HOST_WIDE_INT random_const;
-+
-+ random_const = get_random_const();
-+
-+ switch (op) {
-+ case BIT_XOR_EXPR:
-+ op = PLUS_EXPR;
-+ break;
-+
-+ case PLUS_EXPR:
-+ if (rhs) {
-+ op = LROTATE_EXPR;
-+ random_const &= HOST_BITS_PER_WIDE_INT - 1;
-+ break;
-+ }
-+
-+ case LROTATE_EXPR:
-+ default:
-+ op = BIT_XOR_EXPR;
-+ break;
-+ }
-+ if (rhs)
-+ *rhs = build_int_cstu(unsigned_intDI_type_node, random_const);
-+ return op;
-+}
-+
-+static void perturb_local_entropy(basic_block bb, tree local_entropy)
-+{
-+ gimple_stmt_iterator gsi;
-+ gimple assign;
-+ tree addxorrol, rhs;
-+ enum tree_code op;
-+
-+ op = get_op(&rhs);
-+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, op, unsigned_intDI_type_node, local_entropy, rhs);
-+ assign = gimple_build_assign(local_entropy, addxorrol);
-+ find_referenced_vars_in(assign);
-+//debug_bb(bb);
-+ gsi = gsi_after_labels(bb);
-+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+}
-+
-+static void perturb_latent_entropy(basic_block bb, tree rhs)
-+{
-+ gimple_stmt_iterator gsi;
-+ gimple assign;
-+ tree addxorrol, temp;
-+
-+ // 1. create temporary copy of latent_entropy
-+ temp = create_tmp_var(unsigned_intDI_type_node, "temp_latent_entropy");
-+ add_referenced_var(temp);
-+ mark_sym_for_renaming(temp);
-+
-+ // 2. read...
-+ assign = gimple_build_assign(temp, latent_entropy_decl);
-+ find_referenced_vars_in(assign);
-+ gsi = gsi_after_labels(bb);
-+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+
-+ // 3. ...modify...
-+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, get_op(NULL), unsigned_intDI_type_node, temp, rhs);
-+ assign = gimple_build_assign(temp, addxorrol);
-+ find_referenced_vars_in(assign);
-+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+
-+ // 4. ...write latent_entropy
-+ assign = gimple_build_assign(latent_entropy_decl, temp);
-+ find_referenced_vars_in(assign);
-+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+}
-+
-+static unsigned int execute_latent_entropy(void)
-+{
-+ basic_block bb;
-+ gimple assign;
-+ gimple_stmt_iterator gsi;
-+ tree local_entropy;
-+
-+ if (!latent_entropy_decl) {
-+ struct varpool_node *node;
-+
-+ for (node = varpool_nodes; node; node = node->next) {
-+ tree var = node->decl;
-+ if (strcmp(IDENTIFIER_POINTER(DECL_NAME(var)), "latent_entropy"))
-+ continue;
-+ latent_entropy_decl = var;
-+// debug_tree(var);
-+ break;
-+ }
-+ if (!latent_entropy_decl) {
-+// debug_tree(current_function_decl);
-+ return 0;
-+ }
-+ }
-+
-+//fprintf(stderr, "latent_entropy: %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl)));
-+
-+ // 1. create local entropy variable
-+ local_entropy = create_tmp_var(unsigned_intDI_type_node, "local_entropy");
-+ add_referenced_var(local_entropy);
-+ mark_sym_for_renaming(local_entropy);
-+
-+ // 2. initialize local entropy variable
-+ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
-+ if (dom_info_available_p(CDI_DOMINATORS))
-+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR);
-+ gsi = gsi_start_bb(bb);
-+
-+ assign = gimple_build_assign(local_entropy, build_int_cstu(unsigned_intDI_type_node, get_random_const()));
-+// gimple_set_location(assign, loc);
-+ find_referenced_vars_in(assign);
-+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+ bb = bb->next_bb;
-+
-+ // 3. instrument each BB with an operation on the local entropy variable
-+ while (bb != EXIT_BLOCK_PTR) {
-+ perturb_local_entropy(bb, local_entropy);
-+ bb = bb->next_bb;
-+ };
-+
-+ // 4. mix local entropy into the global entropy variable
-+ perturb_latent_entropy(EXIT_BLOCK_PTR->prev_bb, local_entropy);
-+ return 0;
-+}
-+
-+static void start_unit_callback(void *gcc_data, void *user_data)
-+{
-+#if BUILDING_GCC_VERSION >= 4007
-+ seed = get_random_seed(false);
-+#else
-+ sscanf(get_random_seed(false), "%" HOST_WIDE_INT_PRINT "x", &seed);
-+ seed *= seed;
-+#endif
-+
-+ if (in_lto_p)
-+ return;
-+
-+ // extern u64 latent_entropy
-+ latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, get_identifier("latent_entropy"), unsigned_intDI_type_node);
-+
-+ TREE_STATIC(latent_entropy_decl) = 1;
-+ TREE_PUBLIC(latent_entropy_decl) = 1;
-+ TREE_USED(latent_entropy_decl) = 1;
-+ TREE_THIS_VOLATILE(latent_entropy_decl) = 1;
-+ DECL_EXTERNAL(latent_entropy_decl) = 1;
-+ DECL_ARTIFICIAL(latent_entropy_decl) = 0;
-+ DECL_INITIAL(latent_entropy_decl) = NULL;
-+// DECL_ASSEMBLER_NAME(latent_entropy_decl);
-+// varpool_finalize_decl(latent_entropy_decl);
-+// varpool_mark_needed_node(latent_entropy_decl);
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ struct register_pass_info latent_entropy_pass_info = {
-+ .pass = &latent_entropy_pass.pass,
-+ .reference_pass_name = "optimized",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_BEFORE
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &latent_entropy_plugin_info);
-+ register_callback ("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &latent_entropy_pass_info);
-+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/size_overflow_hash.data b/tools/gcc/size_overflow_hash.data
-new file mode 100644
-index 0000000..50e9970
---- /dev/null
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-+_001952_hash read_file_interrupt 3 61742 _001959_hash NULL nohasharray
-+_001953_hash read_file_misc 3 9948 _001953_hash NULL
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-+_001959_hash read_file_regval 3 61742 _001959_hash &_001952_hash
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-+_001962_hash read_file_slot 3 50111 _001962_hash NULL
-+_001963_hash read_file_stations 3 35795 _001963_hash NULL
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-+_001967_hash read_file_tgt_tx_stats 3 51847 _001967_hash NULL
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-+_001969_hash read_file_war_stats 3 292 _001969_hash NULL
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-+_001972_hash read_oldmem 3 55658 _001972_hash NULL
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-+_001974_hash repair_io_failure 4 4815 _001974_hash NULL
-+_001975_hash request_key_and_link 4 42693 _001975_hash NULL
-+_001976_hash res_counter_read 4 33499 _001976_hash NULL
-+_001977_hash retry_count_read 3 52129 _001977_hash NULL
-+_001978_hash rs_sta_dbgfs_rate_scale_data_read 3 47165 _001978_hash NULL
-+_001979_hash rs_sta_dbgfs_scale_table_read 3 40262 _001979_hash NULL
-+_001980_hash rs_sta_dbgfs_stats_table_read 3 56573 _001980_hash NULL
-+_001981_hash rts_threshold_read 3 44384 _001981_hash NULL
-+_001982_hash rx_dropped_read 3 44799 _001982_hash NULL
-+_001983_hash rx_fcs_err_read 3 62844 _001983_hash NULL
-+_001984_hash rx_hdr_overflow_read 3 64407 _001984_hash NULL
-+_001985_hash rx_hw_stuck_read 3 57179 _001985_hash NULL
-+_001986_hash rx_out_of_mem_read 3 10157 _001986_hash NULL
-+_001987_hash rx_path_reset_read 3 23801 _001987_hash NULL
-+_001988_hash rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read 3 55106 _001988_hash NULL
-+_001989_hash rxpipe_descr_host_int_trig_rx_data_read 3 22001 _003089_hash NULL nohasharray
-+_001990_hash rxpipe_missed_beacon_host_int_trig_rx_data_read 3 63405 _001990_hash NULL
-+_001991_hash rxpipe_rx_prep_beacon_drop_read 3 2403 _001991_hash NULL
-+_001992_hash rxpipe_tx_xfr_host_int_trig_rx_data_read 3 35538 _001992_hash NULL
-+_001993_hash rx_reset_counter_read 3 58001 _001993_hash NULL
-+_001994_hash rx_xfr_hint_trig_read 3 40283 _001994_hash NULL
-+_001995_hash s5m_bulk_write 3 4833 _001995_hash NULL
-+_001996_hash scrub_setup_recheck_block 3-4 56245 _001996_hash NULL
-+_001998_hash scsi_adjust_queue_depth 3 12802 _001998_hash NULL
-+_001999_hash selinux_inode_notifysecctx 3 36896 _001999_hash NULL
-+_002000_hash sel_read_avc_cache_threshold 3 33942 _002000_hash NULL
-+_002001_hash sel_read_avc_hash_stats 3 1984 _002001_hash NULL
-+_002002_hash sel_read_bool 3 24236 _002002_hash NULL
-+_002003_hash sel_read_checkreqprot 3 33068 _002003_hash NULL
-+_002004_hash sel_read_class 3 12669 _002541_hash NULL nohasharray
-+_002005_hash sel_read_enforce 3 2828 _002005_hash NULL
-+_002006_hash sel_read_handle_status 3 56139 _002006_hash NULL
-+_002007_hash sel_read_handle_unknown 3 57933 _002007_hash NULL
-+_002008_hash sel_read_initcon 3 32362 _002008_hash NULL
-+_002009_hash sel_read_mls 3 25369 _002009_hash NULL
-+_002010_hash sel_read_perm 3 42302 _002010_hash NULL
-+_002011_hash sel_read_policy 3 55947 _002011_hash NULL
-+_002012_hash sel_read_policycap 3 28544 _002012_hash NULL
-+_002013_hash sel_read_policyvers 3 55 _003257_hash NULL nohasharray
-+_002014_hash send_msg 4 37323 _002014_hash NULL
-+_002015_hash send_packet 4 52960 _002015_hash NULL
-+_002016_hash short_retry_limit_read 3 4687 _002016_hash NULL
-+_002017_hash simple_attr_read 3 24738 _002017_hash NULL
-+_002018_hash simple_transaction_read 3 17076 _002018_hash NULL
-+_002019_hash skb_copy_datagram_const_iovec 2-5-4 48102 _002019_hash NULL
-+_002022_hash skb_copy_datagram_iovec 2-4 5806 _002022_hash NULL
-+_002024_hash smk_read_ambient 3 61220 _002024_hash NULL
-+_002025_hash smk_read_direct 3 15803 _002025_hash NULL
-+_002026_hash smk_read_doi 3 30813 _002026_hash NULL
-+_002027_hash smk_read_logging 3 37804 _002027_hash NULL
-+_002028_hash smk_read_onlycap 3 3855 _002028_hash NULL
-+_002029_hash snapshot_read 3 22601 _002029_hash NULL
-+_002030_hash snd_cs4281_BA0_read 5 6847 _002030_hash NULL
-+_002031_hash snd_cs4281_BA1_read 5 20323 _002031_hash NULL
-+_002032_hash snd_cs46xx_io_read 5 45734 _002032_hash NULL
-+_002033_hash snd_gus_dram_read 4 56686 _002033_hash NULL
-+_002034_hash snd_pcm_oss_read 3 28317 _002034_hash NULL
-+_002035_hash snd_rme32_capture_copy 5 39653 _002035_hash NULL
-+_002036_hash snd_rme96_capture_copy 5 58484 _002036_hash NULL
-+_002037_hash snd_soc_hw_bulk_write_raw 4 14245 _002037_hash NULL
-+_002038_hash spi_show_regs 3 6911 _002038_hash &_001908_hash
-+_002039_hash sta_agg_status_read 3 14058 _002039_hash NULL
-+_002040_hash sta_connected_time_read 3 17435 _002040_hash NULL
-+_002041_hash sta_flags_read 3 56710 _002041_hash NULL
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-+_002043_hash sta_last_seq_ctrl_read 3 19106 _002043_hash NULL
-+_002044_hash sta_num_ps_buf_frames_read 3 1488 _002044_hash NULL
-+_002045_hash st_read 3 51251 _002045_hash NULL
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-+_002049_hash sys_preadv 3 17100 _002049_hash NULL
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-+_002052_hash sys_rt_sigpending 2 24961 _002052_hash NULL
-+_002053_hash sys_writev 3 28384 _002053_hash NULL
-+_002054_hash test_iso_queue 5 62534 _002054_hash NULL
-+_002055_hash ts_read 3 44687 _002055_hash NULL
-+_002056_hash TSS_authhmac 3 12839 _002056_hash NULL
-+_002057_hash TSS_checkhmac1 5 31429 _002057_hash NULL
-+_002058_hash TSS_checkhmac2 5-7 40520 _002058_hash NULL
-+_002060_hash tt3650_ci_msg_locked 4 8013 _002060_hash NULL
-+_002061_hash tun_sendmsg 4 10337 _002061_hash NULL
-+_002062_hash tx_internal_desc_overflow_read 3 47300 _002062_hash NULL
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-+_002065_hash ubi_io_write_data 4-5 40305 _002065_hash NULL
-+_002067_hash uhci_debug_read 3 5911 _002067_hash NULL
-+_002068_hash unix_stream_recvmsg 4 35210 _002068_hash NULL
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-+_002072_hash vmbus_open 2-3 12154 _002072_hash NULL
-+_002074_hash waiters_read 3 40902 _002074_hash NULL
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-+_002079_hash wep_key_not_found_read 3 13377 _002079_hash &_000915_hash
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-+_002081_hash wl1271_format_buffer 2 20834 _002081_hash NULL
-+_002082_hash wm8994_bulk_write 3 13615 _002082_hash NULL
-+_002083_hash wusb_prf_256 7 29203 _002083_hash NULL
-+_002084_hash wusb_prf_64 7 51065 _002084_hash NULL
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-+_002092_hash aac_change_queue_depth 2 825 _002092_hash NULL
-+_002093_hash agp_allocate_memory_wrap 1 16576 _002093_hash NULL
-+_002094_hash arcmsr_adjust_disk_queue_depth 2 16756 _002094_hash NULL
-+_002095_hash atalk_recvmsg 4 22053 _002095_hash NULL
-+_002097_hash atomic_read_file 3 16227 _002097_hash NULL
-+_002098_hash ax25_recvmsg 4 64441 _002098_hash NULL
-+_002099_hash beacon_interval_read 3 7091 _002099_hash NULL
-+_002100_hash btrfs_init_new_buffer 4 55761 _002100_hash NULL
-+_002101_hash btrfs_mksubvol 3 39479 _002101_hash NULL
-+_002102_hash bt_sock_recvmsg 4 12316 _002102_hash NULL
-+_002103_hash bt_sock_stream_recvmsg 4 52518 _002103_hash NULL
-+_002104_hash caif_seqpkt_recvmsg 4 32241 _002104_hash NULL
-+_002105_hash cpu_type_read 3 36540 _002105_hash NULL
-+_002106_hash cx18_read 3 23699 _002106_hash NULL
-+_002107_hash dccp_recvmsg 4 16056 _002107_hash NULL
-+_002108_hash depth_read 3 31112 _002108_hash NULL
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-+_002110_hash dgram_recvmsg 4 23104 _002110_hash NULL
-+_002111_hash dma_skb_copy_datagram_iovec 3-5 21516 _002111_hash NULL
-+_002113_hash dtim_interval_read 3 654 _002113_hash NULL
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-+_002115_hash enable_read 3 2117 _002115_hash NULL
-+_002116_hash exofs_read_kern 6 39921 _002116_hash &_001885_hash
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-+_002118_hash forced_ps_read 3 31685 _002118_hash NULL
-+_002119_hash frequency_read 3 64031 _003106_hash NULL nohasharray
-+_002120_hash get_alua_req 3 4166 _002120_hash NULL
-+_002121_hash get_rdac_req 3 45882 _002121_hash NULL
-+_002122_hash hci_sock_recvmsg 4 7072 _002122_hash NULL
-+_002123_hash hpsa_change_queue_depth 2 15449 _002123_hash NULL
-+_002124_hash hptiop_adjust_disk_queue_depth 2 20122 _002124_hash NULL
-+_002125_hash ide_queue_pc_tail 5 11673 _002125_hash NULL
-+_002126_hash ide_raw_taskfile 4 42355 _002126_hash NULL
-+_002127_hash idetape_queue_rw_tail 3 29562 _002127_hash NULL
-+_002128_hash ieee80211_if_read_aid 3 9705 _002128_hash NULL
-+_002129_hash ieee80211_if_read_auto_open_plinks 3 38268 _002129_hash NULL
-+_002130_hash ieee80211_if_read_ave_beacon 3 64924 _002130_hash NULL
-+_002131_hash ieee80211_if_read_bssid 3 35161 _002131_hash NULL
-+_002132_hash ieee80211_if_read_channel_type 3 23884 _002132_hash NULL
-+_002133_hash ieee80211_if_read_dot11MeshConfirmTimeout 3 60670 _002133_hash NULL
-+_002134_hash ieee80211_if_read_dot11MeshGateAnnouncementProtocol 3 14486 _002134_hash NULL
-+_002135_hash ieee80211_if_read_dot11MeshHoldingTimeout 3 47356 _002135_hash NULL
-+_002136_hash ieee80211_if_read_dot11MeshHWMPactivePathTimeout 3 7368 _002136_hash NULL
-+_002137_hash ieee80211_if_read_dot11MeshHWMPmaxPREQretries 3 59829 _002137_hash NULL
-+_002138_hash ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime 3 1589 _002138_hash NULL
-+_002139_hash ieee80211_if_read_dot11MeshHWMPperrMinInterval 3 17346 _002139_hash NULL
-+_002140_hash ieee80211_if_read_dot11MeshHWMPpreqMinInterval 3 24208 _002140_hash NULL
-+_002141_hash ieee80211_if_read_dot11MeshHWMPRannInterval 3 2249 _002141_hash NULL
-+_002142_hash ieee80211_if_read_dot11MeshHWMPRootMode 3 51441 _002142_hash NULL
-+_002143_hash ieee80211_if_read_dot11MeshMaxPeerLinks 3 23878 _002143_hash NULL
-+_002144_hash ieee80211_if_read_dot11MeshMaxRetries 3 12756 _002144_hash NULL
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-+_002146_hash ieee80211_if_read_dot11MeshTTL 3 58307 _002146_hash NULL
-+_002147_hash ieee80211_if_read_dropped_frames_congestion 3 32603 _002147_hash NULL
-+_002148_hash ieee80211_if_read_dropped_frames_no_route 3 33383 _002148_hash NULL
-+_002149_hash ieee80211_if_read_dropped_frames_ttl 3 44500 _002149_hash NULL
-+_002150_hash ieee80211_if_read_drop_unencrypted 3 37053 _002150_hash NULL
-+_002151_hash ieee80211_if_read_dtim_count 3 38419 _002151_hash NULL
-+_002152_hash ieee80211_if_read_element_ttl 3 18869 _002152_hash NULL
-+_002153_hash ieee80211_if_read_estab_plinks 3 32533 _002153_hash NULL
-+_002154_hash ieee80211_if_read_flags 3 57470 _002389_hash NULL nohasharray
-+_002155_hash ieee80211_if_read_fwded_frames 3 36520 _002155_hash NULL
-+_002156_hash ieee80211_if_read_fwded_mcast 3 39571 _002156_hash &_000151_hash
-+_002157_hash ieee80211_if_read_fwded_unicast 3 59740 _002859_hash NULL nohasharray
-+_002158_hash ieee80211_if_read_last_beacon 3 31257 _002158_hash NULL
-+_002159_hash ieee80211_if_read_min_discovery_timeout 3 13946 _002159_hash NULL
-+_002160_hash ieee80211_if_read_num_buffered_multicast 3 12716 _002160_hash NULL
-+_002161_hash ieee80211_if_read_num_sta_authorized 3 56177 _002161_hash NULL
-+_002162_hash ieee80211_if_read_num_sta_ps 3 34722 _002162_hash NULL
-+_002163_hash ieee80211_if_read_path_refresh_time 3 25545 _002163_hash NULL
-+_002164_hash ieee80211_if_read_peer 3 45233 _002164_hash NULL
-+_002165_hash ieee80211_if_read_rc_rateidx_mask_2ghz 3 61570 _002165_hash NULL
-+_002166_hash ieee80211_if_read_rc_rateidx_mask_5ghz 3 27183 _002166_hash NULL
-+_002167_hash ieee80211_if_read_rc_rateidx_mcs_mask_2ghz 3 37675 _002167_hash NULL
-+_002168_hash ieee80211_if_read_rc_rateidx_mcs_mask_5ghz 3 44423 _002168_hash NULL
-+_002169_hash ieee80211_if_read_rssi_threshold 3 49260 _002169_hash NULL
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-+_002171_hash ieee80211_if_read_state 3 9813 _002280_hash NULL nohasharray
-+_002172_hash ieee80211_if_read_tkip_mic_test 3 19565 _002172_hash NULL
-+_002173_hash ieee80211_if_read_tsf 3 16420 _002173_hash NULL
-+_002174_hash ieee80211_if_read_uapsd_max_sp_len 3 15067 _002174_hash NULL
-+_002175_hash ieee80211_if_read_uapsd_queues 3 55150 _002175_hash NULL
-+_002176_hash ieee80211_rx_mgmt_beacon 3 24430 _002176_hash NULL
-+_002177_hash ieee80211_rx_mgmt_probe_resp 3 6918 _002177_hash NULL
-+_002178_hash ima_show_htable_violations 3 10619 _002178_hash NULL
-+_002179_hash ima_show_measurements_count 3 23536 _002179_hash NULL
-+_002180_hash insert_one_name 7 61668 _002180_hash NULL
-+_002181_hash ipr_change_queue_depth 2 6431 _002181_hash NULL
-+_002182_hash ip_recv_error 3 23109 _002182_hash NULL
-+_002183_hash ipv6_recv_error 3 56347 _002183_hash NULL
-+_002184_hash ipv6_recv_rxpmtu 3 7142 _002184_hash NULL
-+_002185_hash ipx_recvmsg 4 44366 _002185_hash NULL
-+_002186_hash irda_recvmsg_dgram 4 32631 _002186_hash NULL
-+_002187_hash iscsi_change_queue_depth 2 23416 _002187_hash NULL
-+_002188_hash ivtv_read_pos 3 34400 _002188_hash &_000303_hash
-+_002189_hash key_conf_hw_key_idx_read 3 25003 _002189_hash NULL
-+_002190_hash key_conf_keyidx_read 3 42443 _002190_hash NULL
-+_002191_hash key_conf_keylen_read 3 49758 _002191_hash NULL
-+_002192_hash key_flags_read 3 25931 _002192_hash NULL
-+_002193_hash key_ifindex_read 3 31411 _002193_hash NULL
-+_002194_hash key_tx_rx_count_read 3 44742 _002194_hash NULL
-+_002195_hash l2cap_sock_sendmsg 4 63427 _002195_hash NULL
-+_002196_hash l2tp_ip_recvmsg 4 22681 _002196_hash NULL
-+_002197_hash llc_ui_recvmsg 4 3826 _002197_hash NULL
-+_002198_hash lpfc_change_queue_depth 2 25905 _002198_hash NULL
-+_002199_hash macvtap_do_read 4 36555 _002199_hash &_001832_hash
-+_002200_hash megaraid_change_queue_depth 2 64815 _002200_hash NULL
-+_002201_hash megasas_change_queue_depth 2 32747 _002201_hash NULL
-+_002202_hash mptscsih_change_queue_depth 2 26036 _002202_hash NULL
-+_002203_hash NCR_700_change_queue_depth 2 31742 _002203_hash NULL
-+_002204_hash netlink_recvmsg 4 61600 _002204_hash NULL
-+_002205_hash nfsctl_transaction_read 3 48250 _002205_hash NULL
-+_002206_hash nfs_map_group_to_gid 3 15892 _002206_hash NULL
-+_002207_hash nfs_map_name_to_uid 3 51132 _002207_hash NULL
-+_002208_hash nr_recvmsg 4 12649 _002208_hash NULL
-+_002209_hash osd_req_list_collection_objects 5 36664 _002209_hash NULL
-+_002210_hash osd_req_list_partition_objects 5 56464 _002210_hash NULL
-+_002212_hash packet_recv_error 3 16669 _002212_hash NULL
-+_002213_hash packet_recvmsg 4 47700 _002213_hash NULL
-+_002214_hash pep_recvmsg 4 19402 _002214_hash NULL
-+_002215_hash pfkey_recvmsg 4 53604 _002215_hash NULL
-+_002216_hash ping_recvmsg 4 25597 _002216_hash NULL
-+_002217_hash pmcraid_change_queue_depth 2 9116 _002217_hash NULL
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-+_002219_hash pointer_size_read 3 51863 _002219_hash NULL
-+_002220_hash power_read 3 15939 _002220_hash NULL
-+_002221_hash pppoe_recvmsg 4 15073 _002221_hash NULL
-+_002222_hash pppol2tp_recvmsg 4 57742 _002222_hash NULL
-+_002223_hash qla2x00_adjust_sdev_qdepth_up 2 20097 _002223_hash NULL
-+_002224_hash qla2x00_change_queue_depth 2 24742 _002224_hash NULL
-+_002225_hash raw_recvmsg 4 52529 _002225_hash NULL
-+_002226_hash rawsock_recvmsg 4 12144 _002226_hash NULL
-+_002227_hash rawv6_recvmsg 4 30265 _002227_hash NULL
-+_002228_hash reada_add_block 2 54247 _002228_hash NULL
-+_002229_hash readahead_tree_block 3 36285 _002229_hash NULL
-+_002230_hash reada_tree_block_flagged 3 18402 _002230_hash NULL
-+_002231_hash read_tree_block 3 841 _002231_hash NULL
-+_002232_hash recover_peb 6-7 29238 _002232_hash NULL
-+_002234_hash recv_msg 4 48709 _002234_hash NULL
-+_002235_hash recv_stream 4 30138 _002235_hash NULL
-+_002236_hash _req_append_segment 2 41031 _002236_hash NULL
-+_002237_hash request_key_async 4 6990 _002237_hash NULL
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-+_002239_hash request_key_with_auxdata 4 24515 _002239_hash NULL
-+_002240_hash rose_recvmsg 4 2368 _002240_hash NULL
-+_002241_hash rxrpc_recvmsg 4 26233 _002241_hash NULL
-+_002242_hash rx_streaming_always_read 3 49401 _002242_hash NULL
-+_002243_hash rx_streaming_interval_read 3 55291 _002243_hash NULL
-+_002244_hash sas_change_queue_depth 2 18555 _002244_hash NULL
-+_002245_hash scsi_activate_tcq 2 42640 _002245_hash NULL
-+_002246_hash scsi_deactivate_tcq 2 47086 _002246_hash NULL
-+_002247_hash scsi_execute 5 33596 _002247_hash NULL
-+_002248_hash _scsih_adjust_queue_depth 2 1083 _002248_hash NULL
-+_002249_hash scsi_init_shared_tag_map 2 59812 _002249_hash NULL
-+_002250_hash scsi_track_queue_full 2 44239 _002250_hash NULL
-+_002251_hash sctp_recvmsg 4 23265 _002251_hash NULL
-+_002252_hash send_stream 4 3397 _002252_hash NULL
-+_002253_hash skb_copy_and_csum_datagram_iovec 2 24466 _002253_hash NULL
-+_002255_hash snd_gf1_mem_proc_dump 5 16926 _002255_hash NULL
-+_002256_hash split_scan_timeout_read 3 20029 _002256_hash NULL
-+_002257_hash sta_dev_read 3 14782 _002257_hash NULL
-+_002258_hash sta_inactive_ms_read 3 25690 _002258_hash NULL
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-+_003306_hash check_mirror 1-2 57342 _003306_hash &_001564_hash
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-+_003340_hash tpm_tis_init 2-3 15304 _003340_hash NULL
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-+_003366_hash efi_ioremap 1-2 3492 _003366_hash &_001092_hash
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-+_003395_hash persistent_ram_new 1-2 14588 _003395_hash NULL
-diff --git a/tools/gcc/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin.c
-new file mode 100644
-index 0000000..e9310fa
---- /dev/null
-+++ b/tools/gcc/size_overflow_plugin.c
-@@ -0,0 +1,1612 @@
-+/*
-+ * Copyright 2011, 2012 by Emese Revfy <re.emese(a)gmail.com>
-+ * Licensed under the GPL v2, or (at your option) v3
-+ *
-+ * Homepage:
-+ * http://www.grsecurity.net/~ephox/overflow_plugin/
-+ *
-+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
-+ * with double integer precision (DImode/TImode for 32/64 bit integer types).
-+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
-+ *
-+ * Usage:
-+ * $ gcc -I`gcc -print-file-name=plugin`/include/c-family -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -ggdb -Wall -W -Wno-missing-field-initializers -o size_overflow_plugin.so size_overflow_plugin.c
-+ * $ gcc -fplugin=size_overflow_plugin.so test.c -O2
-+ */
-+
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "intl.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "toplev.h"
-+#include "function.h"
-+#include "tree-flow.h"
-+#include "plugin.h"
-+#include "gimple.h"
-+#include "c-common.h"
-+#include "diagnostic.h"
-+#include "cfgloop.h"
-+
-+struct size_overflow_hash {
-+ const struct size_overflow_hash * const next;
-+ const char * const name;
-+ const unsigned int param;
-+};
-+
-+#include "size_overflow_hash.h"
-+
-+#define __unused __attribute__((__unused__))
-+#define NAME(node) IDENTIFIER_POINTER(DECL_NAME(node))
-+#define NAME_LEN(node) IDENTIFIER_LENGTH(DECL_NAME(node))
-+#define BEFORE_STMT true
-+#define AFTER_STMT false
-+#define CREATE_NEW_VAR NULL_TREE
-+#define CODES_LIMIT 32
-+#define MAX_PARAM 10
-+#define MY_STMT GF_PLF_1
-+#define NO_CAST_CHECK GF_PLF_2
-+
-+#if BUILDING_GCC_VERSION == 4005
-+#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
-+#endif
-+
-+int plugin_is_GPL_compatible;
-+void debug_gimple_stmt(gimple gs);
-+
-+static tree expand(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs);
-+static tree report_size_overflow_decl;
-+static const_tree const_char_ptr_type_node;
-+static unsigned int handle_function(void);
-+static void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool *potentionally_overflowed, bool before);
-+static tree get_size_overflow_type(gimple stmt, tree node);
-+static tree dup_assign(struct pointer_set_t *visited, bool *potentionally_overflowed, gimple oldstmt, tree size_overflow_type, tree rhs1, tree rhs2, tree __unused rhs3);
-+
-+static struct plugin_info size_overflow_plugin_info = {
-+ .version = "20120820beta",
-+ .help = "no-size-overflow\tturn off size overflow checking\n",
-+};
-+
-+static tree handle_size_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs)
-+{
-+ unsigned int arg_count;
-+
-+ if (TREE_CODE(*node) == FUNCTION_DECL)
-+ arg_count = type_num_arguments(TREE_TYPE(*node));
-+ else if (TREE_CODE(*node) == FUNCTION_TYPE || TREE_CODE(*node) == METHOD_TYPE)
-+ arg_count = type_num_arguments(*node);
-+ else {
-+ *no_add_attrs = true;
-+ error("%qE attribute only applies to functions", name);
-+ return NULL_TREE;
-+ }
-+
-+ for (; args; args = TREE_CHAIN(args)) {
-+ tree position = TREE_VALUE(args);
-+ if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_HIGH(position) || TREE_INT_CST_LOW(position) < 1 || TREE_INT_CST_LOW(position) > arg_count ) {
-+ error("handle_size_overflow_attribute: overflow parameter outside range.");
-+ *no_add_attrs = true;
-+ }
-+ }
-+ return NULL_TREE;
-+}
-+
-+static struct attribute_spec size_overflow_attr = {
-+ .name = "size_overflow",
-+ .min_length = 1,
-+ .max_length = -1,
-+ .decl_required = true,
-+ .type_required = false,
-+ .function_type_required = false,
-+ .handler = handle_size_overflow_attribute,
-+#if BUILDING_GCC_VERSION >= 4007
-+ .affects_type_identity = false
-+#endif
-+};
-+
-+static void register_attributes(void __unused *event_data, void __unused *data)
-+{
-+ register_attribute(&size_overflow_attr);
-+}
-+
-+// http://www.team5150.com/~andrew/noncryptohashzoo2~/CrapWow.html
-+static unsigned int CrapWow(const char *key, unsigned int len, unsigned int seed)
-+{
-+#define cwfold( a, b, lo, hi ) { p = (unsigned int)(a) * (unsigned long long)(b); lo ^= (unsigned int)p; hi ^= (unsigned int)(p >> 32); }
-+#define cwmixa( in ) { cwfold( in, m, k, h ); }
-+#define cwmixb( in ) { cwfold( in, n, h, k ); }
-+
-+ unsigned int m = 0x57559429;
-+ unsigned int n = 0x5052acdb;
-+ const unsigned int *key4 = (const unsigned int *)key;
-+ unsigned int h = len;
-+ unsigned int k = len + seed + n;
-+ unsigned long long p;
-+
-+ while (len >= 8) {
-+ cwmixb(key4[0]) cwmixa(key4[1]) key4 += 2;
-+ len -= 8;
-+ }
-+ if (len >= 4) {
-+ cwmixb(key4[0]) key4 += 1;
-+ len -= 4;
-+ }
-+ if (len)
-+ cwmixa(key4[0] & ((1 << (len * 8)) - 1 ));
-+ cwmixb(h ^ (k + n));
-+ return k ^ h;
-+
-+#undef cwfold
-+#undef cwmixa
-+#undef cwmixb
-+}
-+
-+static inline unsigned int get_hash_num(const char *fndecl, const char *tree_codes, unsigned int len, unsigned int seed)
-+{
-+ unsigned int fn = CrapWow(fndecl, strlen(fndecl), seed) & 0xffff;
-+ unsigned int codes = CrapWow(tree_codes, len, seed) & 0xffff;
-+ return fn ^ codes;
-+}
-+
-+static inline const_tree get_original_function_decl(const_tree fndecl)
-+{
-+ if (DECL_ABSTRACT_ORIGIN(fndecl))
-+ return DECL_ABSTRACT_ORIGIN(fndecl);
-+ return fndecl;
-+}
-+
-+static inline gimple get_def_stmt(const_tree node)
-+{
-+ gcc_assert(node != NULL_TREE);
-+ gcc_assert(TREE_CODE(node) == SSA_NAME);
-+ return SSA_NAME_DEF_STMT(node);
-+}
-+
-+static unsigned char get_tree_code(tree type)
-+{
-+ switch (TREE_CODE(type)) {
-+ case ARRAY_TYPE:
-+ return 0;
-+ case BOOLEAN_TYPE:
-+ return 1;
-+ case ENUMERAL_TYPE:
-+ return 2;
-+ case FUNCTION_TYPE:
-+ return 3;
-+ case INTEGER_TYPE:
-+ return 4;
-+ case POINTER_TYPE:
-+ return 5;
-+ case RECORD_TYPE:
-+ return 6;
-+ case UNION_TYPE:
-+ return 7;
-+ case VOID_TYPE:
-+ return 8;
-+ case REAL_TYPE:
-+ return 9;
-+ case VECTOR_TYPE:
-+ return 10;
-+ case REFERENCE_TYPE:
-+ return 11;
-+ default:
-+ debug_tree(type);
-+ gcc_unreachable();
-+ }
-+}
-+
-+static size_t add_type_codes(tree type, unsigned char *tree_codes, size_t len)
-+{
-+ gcc_assert(type != NULL_TREE);
-+
-+ while (type && len < CODES_LIMIT) {
-+ tree_codes[len] = get_tree_code(type);
-+ len++;
-+ type = TREE_TYPE(type);
-+ }
-+ return len;
-+}
-+
-+static unsigned int get_function_decl(const_tree fndecl, unsigned char *tree_codes)
-+{
-+ tree arg;
-+ const_tree result, type = TREE_TYPE(fndecl);
-+ enum tree_code code = TREE_CODE(type);
-+ size_t len = 0;
-+
-+ gcc_assert(code == FUNCTION_TYPE);
-+
-+ arg = TYPE_ARG_TYPES(type);
-+ // skip builtins __builtin_constant_p
-+ if (!arg && DECL_BUILT_IN(fndecl))
-+ return 0;
-+ gcc_assert(arg != NULL_TREE);
-+
-+ if (TREE_CODE_CLASS(code) == tcc_type)
-+ result = type;
-+ else
-+ result = DECL_RESULT(fndecl);
-+
-+ gcc_assert(result != NULL_TREE);
-+ len = add_type_codes(TREE_TYPE(result), tree_codes, len);
-+
-+ while (arg && len < CODES_LIMIT) {
-+ len = add_type_codes(TREE_VALUE(arg), tree_codes, len);
-+ arg = TREE_CHAIN(arg);
-+ }
-+
-+ gcc_assert(len != 0);
-+ return len;
-+}
-+
-+static const struct size_overflow_hash *get_function_hash(const_tree fndecl)
-+{
-+ unsigned int hash;
-+ const struct size_overflow_hash *entry;
-+ unsigned char tree_codes[CODES_LIMIT];
-+ size_t len;
-+ const char *func_name = NAME(fndecl);
-+
-+ len = get_function_decl(fndecl, tree_codes);
-+ if (len == 0)
-+ return NULL;
-+
-+ hash = get_hash_num(func_name, (const char*) tree_codes, len, 0);
-+
-+ entry = size_overflow_hash[hash];
-+ while (entry) {
-+ if (!strcmp(entry->name, func_name))
-+ return entry;
-+ entry = entry->next;
-+ }
-+
-+ return NULL;
-+}
-+
-+static void check_arg_type(const_tree arg)
-+{
-+ const_tree type = TREE_TYPE(arg);
-+ enum tree_code code = TREE_CODE(type);
-+
-+ gcc_assert(code == INTEGER_TYPE || code == ENUMERAL_TYPE ||
-+ (code == POINTER_TYPE && TREE_CODE(TREE_TYPE(type)) == VOID_TYPE) ||
-+ (code == POINTER_TYPE && TREE_CODE(TREE_TYPE(type)) == INTEGER_TYPE));
-+}
-+
-+static int find_arg_number(const_tree arg, const_tree func)
-+{
-+ tree var;
-+ bool match = false;
-+ unsigned int argnum = 1;
-+
-+ if (TREE_CODE(arg) == SSA_NAME)
-+ arg = SSA_NAME_VAR(arg);
-+
-+ for (var = DECL_ARGUMENTS(func); var; var = TREE_CHAIN(var)) {
-+ if (strcmp(NAME(arg), NAME(var))) {
-+ argnum++;
-+ continue;
-+ }
-+ check_arg_type(var);
-+
-+ match = true;
-+ break;
-+ }
-+ if (!match) {
-+ warning(0, "find_arg_number: cannot find the %s argument in %s", NAME(arg), NAME(func));
-+ return 0;
-+ }
-+ return argnum;
-+}
-+
-+static void print_missing_msg(const_tree func, unsigned int argnum)
-+{
-+ unsigned int new_hash;
-+ size_t len;
-+ unsigned char tree_codes[CODES_LIMIT];
-+ location_t loc = DECL_SOURCE_LOCATION(func);
-+ const char *curfunc = NAME(func);
-+
-+ len = get_function_decl(func, tree_codes);
-+ new_hash = get_hash_num(curfunc, (const char *) tree_codes, len, 0);
-+ inform(loc, "Function %s is missing from the size_overflow hash table +%s+%d+%u+", curfunc, curfunc, argnum, new_hash);
-+}
-+
-+static void check_missing_attribute(const_tree arg)
-+{
-+ const_tree type = TREE_TYPE(arg);
-+ const_tree func = get_original_function_decl(current_function_decl);
-+ unsigned int argnum;
-+ const struct size_overflow_hash *hash;
-+
-+ gcc_assert(TREE_CODE(arg) != COMPONENT_REF);
-+
-+ if (TREE_CODE(type) == POINTER_TYPE)
-+ return;
-+
-+ if (lookup_attribute("size_overflow", DECL_ATTRIBUTES(func)))
-+ return;
-+
-+ argnum = find_arg_number(arg, func);
-+ if (argnum == 0)
-+ return;
-+
-+ hash = get_function_hash(func);
-+ if (!hash || !(hash->param & (1U << argnum)))
-+ print_missing_msg(func, argnum);
-+}
-+
-+static tree create_new_var(tree type)
-+{
-+ tree new_var = create_tmp_var(type, "cicus");
-+
-+ add_referenced_var(new_var);
-+ mark_sym_for_renaming(new_var);
-+ return new_var;
-+}
-+
-+static gimple create_binary_assign(enum tree_code code, gimple stmt, tree rhs1, tree rhs2)
-+{
-+ gimple assign;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
-+ tree type = TREE_TYPE(rhs1);
-+ tree lhs = create_new_var(type);
-+
-+ assign = gimple_build_assign_with_ops(code, lhs, rhs1, rhs2);
-+ gimple_set_lhs(assign, make_ssa_name(lhs, assign));
-+
-+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+ gimple_set_plf(assign, MY_STMT, true);
-+ return assign;
-+}
-+
-+static bool is_bool(const_tree node)
-+{
-+ const_tree type;
-+
-+ if (node == NULL_TREE)
-+ return false;
-+
-+ type = TREE_TYPE(node);
-+ if (!INTEGRAL_TYPE_P(type))
-+ return false;
-+ if (TREE_CODE(type) == BOOLEAN_TYPE)
-+ return true;
-+ if (TYPE_PRECISION(type) == 1)
-+ return true;
-+ return false;
-+}
-+
-+static tree cast_a_tree(tree type, tree var)
-+{
-+ gcc_assert(type != NULL_TREE);
-+ gcc_assert(var != NULL_TREE);
-+ gcc_assert(fold_convertible_p(type, var));
-+
-+ return fold_convert(type, var);
-+}
-+
-+static gimple build_cast_stmt(tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before)
-+{
-+ gimple assign;
-+
-+ gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE);
-+ if (gsi_end_p(*gsi) && before == BEFORE_STMT)
-+ gcc_unreachable();
-+
-+ if (lhs == CREATE_NEW_VAR)
-+ lhs = create_new_var(dst_type);
-+
-+ assign = gimple_build_assign(lhs, cast_a_tree(dst_type, rhs));
-+
-+ if (!gsi_end_p(*gsi)) {
-+ location_t loc = gimple_location(gsi_stmt(*gsi));
-+ gimple_set_location(assign, loc);
-+ }
-+
-+ gimple_set_lhs(assign, make_ssa_name(lhs, assign));
-+
-+ if (before)
-+ gsi_insert_before(gsi, assign, GSI_NEW_STMT);
-+ else
-+ gsi_insert_after(gsi, assign, GSI_NEW_STMT);
-+ update_stmt(assign);
-+ gimple_set_plf(assign, MY_STMT, true);
-+
-+ return assign;
-+}
-+
-+static tree cast_to_new_size_overflow_type(gimple stmt, tree new_rhs1, tree size_overflow_type, bool before)
-+{
-+ const_gimple assign;
-+ gimple_stmt_iterator gsi;
-+
-+ if (new_rhs1 == NULL_TREE)
-+ return NULL_TREE;
-+
-+ if (!useless_type_conversion_p(TREE_TYPE(new_rhs1), size_overflow_type)) {
-+ gsi = gsi_for_stmt(stmt);
-+ assign = build_cast_stmt(size_overflow_type, new_rhs1, CREATE_NEW_VAR, &gsi, before);
-+ return gimple_get_lhs(assign);
-+ }
-+ return new_rhs1;
-+}
-+
-+static tree follow_overflow_type_and_dup(struct pointer_set_t *visited, bool *potentionally_overflowed, gimple stmt, tree node, tree new_rhs1, tree new_rhs2, tree new_rhs3)
-+{
-+ tree size_overflow_type = get_size_overflow_type(stmt, node);
-+
-+ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
-+
-+ if (new_rhs2 != NULL_TREE)
-+ new_rhs2 = cast_to_new_size_overflow_type(stmt, new_rhs2, size_overflow_type, BEFORE_STMT);
-+
-+ if (new_rhs3 != NULL_TREE)
-+ new_rhs3 = cast_to_new_size_overflow_type(stmt, new_rhs3, size_overflow_type, BEFORE_STMT);
-+
-+ return dup_assign(visited, potentionally_overflowed, stmt, size_overflow_type, new_rhs1, new_rhs2, new_rhs3);
-+}
-+
-+static tree create_assign(struct pointer_set_t *visited, bool *potentionally_overflowed, gimple oldstmt, tree rhs1, bool before)
-+{
-+ const_tree oldstmt_rhs1;
-+ tree size_overflow_type, lhs;
-+ enum tree_code code;
-+ gimple stmt;
-+ gimple_stmt_iterator gsi;
-+
-+ if (!*potentionally_overflowed)
-+ return NULL_TREE;
-+
-+ if (rhs1 == NULL_TREE) {
-+ debug_gimple_stmt(oldstmt);
-+ error("create_assign: rhs1 is NULL_TREE");
-+ gcc_unreachable();
-+ }
-+
-+ if (gimple_code(oldstmt) == GIMPLE_ASM)
-+ lhs = rhs1;
-+ else
-+ lhs = gimple_get_lhs(oldstmt);
-+
-+ oldstmt_rhs1 = gimple_assign_rhs1(oldstmt);
-+ code = TREE_CODE(oldstmt_rhs1);
-+ if (code == PARM_DECL || (code == SSA_NAME && gimple_code(get_def_stmt(oldstmt_rhs1)) == GIMPLE_NOP))
-+ check_missing_attribute(oldstmt_rhs1);
-+
-+ gsi = gsi_for_stmt(oldstmt);
-+ pointer_set_insert(visited, oldstmt);
-+ if (lookup_stmt_eh_lp(oldstmt) != 0) {
-+ basic_block next_bb, cur_bb;
-+ const_edge e;
-+
-+ gcc_assert(before == false);
-+ gcc_assert(stmt_can_throw_internal(oldstmt));
-+ gcc_assert(gimple_code(oldstmt) == GIMPLE_CALL);
-+ gcc_assert(!gsi_end_p(gsi));
-+
-+ cur_bb = gimple_bb(oldstmt);
-+ next_bb = cur_bb->next_bb;
-+ e = find_edge(cur_bb, next_bb);
-+ gcc_assert(e != NULL);
-+ gcc_assert(e->flags & EDGE_FALLTHRU);
-+
-+ gsi = gsi_after_labels(next_bb);
-+ gcc_assert(!gsi_end_p(gsi));
-+
-+ before = true;
-+ oldstmt = gsi_stmt(gsi);
-+ pointer_set_insert(visited, oldstmt);
-+ }
-+
-+ size_overflow_type = get_size_overflow_type(oldstmt, lhs);
-+
-+ stmt = build_cast_stmt(size_overflow_type, rhs1, CREATE_NEW_VAR, &gsi, before);
-+ gimple_set_plf(stmt, MY_STMT, true);
-+ return gimple_get_lhs(stmt);
-+}
-+
-+static tree dup_assign(struct pointer_set_t *visited, bool *potentionally_overflowed, gimple oldstmt, tree size_overflow_type, tree rhs1, tree rhs2, tree __unused rhs3)
-+{
-+ gimple stmt;
-+ gimple_stmt_iterator gsi;
-+ tree new_var, lhs = gimple_get_lhs(oldstmt);
-+
-+ if (!*potentionally_overflowed)
-+ return NULL_TREE;
-+
-+ if (gimple_plf(oldstmt, MY_STMT))
-+ return lhs;
-+
-+ if (gimple_num_ops(oldstmt) != 4 && rhs1 == NULL_TREE) {
-+ rhs1 = gimple_assign_rhs1(oldstmt);
-+ rhs1 = create_assign(visited, potentionally_overflowed, oldstmt, rhs1, BEFORE_STMT);
-+ }
-+ if (gimple_num_ops(oldstmt) == 3 && rhs2 == NULL_TREE) {
-+ rhs2 = gimple_assign_rhs2(oldstmt);
-+ rhs2 = create_assign(visited, potentionally_overflowed, oldstmt, rhs2, BEFORE_STMT);
-+ }
-+
-+ stmt = gimple_copy(oldstmt);
-+ gimple_set_location(stmt, gimple_location(oldstmt));
-+ gimple_set_plf(stmt, MY_STMT, true);
-+
-+ if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR)
-+ gimple_assign_set_rhs_code(stmt, MULT_EXPR);
-+
-+ if (is_bool(lhs))
-+ new_var = SSA_NAME_VAR(lhs);
-+ else
-+ new_var = create_new_var(size_overflow_type);
-+ new_var = make_ssa_name(new_var, stmt);
-+ gimple_set_lhs(stmt, new_var);
-+
-+ if (rhs1 != NULL_TREE) {
-+ if (!gimple_assign_cast_p(oldstmt))
-+ rhs1 = cast_a_tree(size_overflow_type, rhs1);
-+ gimple_assign_set_rhs1(stmt, rhs1);
-+ }
-+
-+ if (rhs2 != NULL_TREE)
-+ gimple_assign_set_rhs2(stmt, rhs2);
-+#if BUILDING_GCC_VERSION >= 4007
-+ if (rhs3 != NULL_TREE)
-+ gimple_assign_set_rhs3(stmt, rhs3);
-+#endif
-+ gimple_set_vuse(stmt, gimple_vuse(oldstmt));
-+ gimple_set_vdef(stmt, gimple_vdef(oldstmt));
-+
-+ gsi = gsi_for_stmt(oldstmt);
-+ gsi_insert_after(&gsi, stmt, GSI_SAME_STMT);
-+ update_stmt(stmt);
-+ pointer_set_insert(visited, oldstmt);
-+ return gimple_get_lhs(stmt);
-+}
-+
-+static gimple overflow_create_phi_node(gimple oldstmt, tree result)
-+{
-+ basic_block bb;
-+ gimple phi;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt);
-+
-+ bb = gsi_bb(gsi);
-+
-+ phi = create_phi_node(result, bb);
-+ gsi = gsi_last(phi_nodes(bb));
-+ gsi_remove(&gsi, false);
-+
-+ gsi = gsi_for_stmt(oldstmt);
-+ gsi_insert_after(&gsi, phi, GSI_NEW_STMT);
-+ gimple_set_bb(phi, bb);
-+ gimple_set_plf(phi, MY_STMT, true);
-+ return phi;
-+}
-+
-+static basic_block create_a_first_bb(void)
-+{
-+ basic_block first_bb;
-+
-+ first_bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
-+ if (dom_info_available_p(CDI_DOMINATORS))
-+ set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR);
-+ return first_bb;
-+}
-+
-+static tree cast_old_phi_arg(gimple oldstmt, tree size_overflow_type, tree arg, tree new_var, unsigned int i)
-+{
-+ basic_block bb;
-+ const_gimple newstmt;
-+ gimple_stmt_iterator gsi;
-+ bool before = BEFORE_STMT;
-+
-+ if (TREE_CODE(arg) == SSA_NAME && gimple_code(get_def_stmt(arg)) != GIMPLE_NOP) {
-+ gsi = gsi_for_stmt(get_def_stmt(arg));
-+ newstmt = build_cast_stmt(size_overflow_type, arg, new_var, &gsi, AFTER_STMT);
-+ return gimple_get_lhs(newstmt);
-+ }
-+
-+ bb = gimple_phi_arg_edge(oldstmt, i)->src;
-+ gsi = gsi_after_labels(bb);
-+ if (bb->index == 0) {
-+ bb = create_a_first_bb();
-+ gsi = gsi_start_bb(bb);
-+ }
-+ if (gsi_end_p(gsi))
-+ before = AFTER_STMT;
-+ newstmt = build_cast_stmt(size_overflow_type, arg, new_var, &gsi, before);
-+ return gimple_get_lhs(newstmt);
-+}
-+
-+static const_gimple handle_new_phi_arg(const_tree arg, tree new_var, tree new_rhs)
-+{
-+ gimple newstmt;
-+ gimple_stmt_iterator gsi;
-+ void (*gsi_insert)(gimple_stmt_iterator *, gimple, enum gsi_iterator_update);
-+ gimple def_newstmt = get_def_stmt(new_rhs);
-+
-+ gsi_insert = gsi_insert_after;
-+ gsi = gsi_for_stmt(def_newstmt);
-+
-+ switch (gimple_code(get_def_stmt(arg))) {
-+ case GIMPLE_PHI:
-+ newstmt = gimple_build_assign(new_var, new_rhs);
-+ gsi = gsi_after_labels(gimple_bb(def_newstmt));
-+ gsi_insert = gsi_insert_before;
-+ break;
-+ case GIMPLE_ASM:
-+ case GIMPLE_CALL:
-+ newstmt = gimple_build_assign(new_var, new_rhs);
-+ break;
-+ case GIMPLE_ASSIGN:
-+ newstmt = gimple_build_assign(new_var, gimple_get_lhs(def_newstmt));
-+ break;
-+ default:
-+ /* unknown gimple_code (handle_build_new_phi_arg) */
-+ gcc_unreachable();
-+ }
-+
-+ gimple_set_lhs(newstmt, make_ssa_name(new_var, newstmt));
-+ gsi_insert(&gsi, newstmt, GSI_NEW_STMT);
-+ gimple_set_plf(newstmt, MY_STMT, true);
-+ update_stmt(newstmt);
-+ return newstmt;
-+}
-+
-+static tree build_new_phi_arg(struct pointer_set_t *visited, bool *potentionally_overflowed, tree size_overflow_type, tree arg, tree new_var)
-+{
-+ const_gimple newstmt;
-+ tree new_rhs;
-+
-+ new_rhs = expand(visited, potentionally_overflowed, arg);
-+ if (new_rhs == NULL_TREE)
-+ return NULL_TREE;
-+
-+ new_rhs = cast_to_new_size_overflow_type(get_def_stmt(new_rhs), new_rhs, size_overflow_type, AFTER_STMT);
-+
-+ newstmt = handle_new_phi_arg(arg, new_var, new_rhs);
-+ return gimple_get_lhs(newstmt);
-+}
-+
-+static tree build_new_phi(struct pointer_set_t *visited, bool *potentionally_overflowed, tree orig_result)
-+{
-+ gimple phi, oldstmt = get_def_stmt(orig_result);
-+ tree new_result, size_overflow_type;
-+ unsigned int i;
-+ unsigned int n = gimple_phi_num_args(oldstmt);
-+
-+ size_overflow_type = get_size_overflow_type(oldstmt, orig_result);
-+
-+ new_result = create_new_var(size_overflow_type);
-+
-+ pointer_set_insert(visited, oldstmt);
-+ phi = overflow_create_phi_node(oldstmt, new_result);
-+ for (i = 0; i < n; i++) {
-+ tree arg, lhs;
-+
-+ arg = gimple_phi_arg_def(oldstmt, i);
-+ if (is_gimple_constant(arg))
-+ arg = cast_a_tree(size_overflow_type, arg);
-+ lhs = build_new_phi_arg(visited, potentionally_overflowed, size_overflow_type, arg, new_result);
-+ if (lhs == NULL_TREE)
-+ lhs = cast_old_phi_arg(oldstmt, size_overflow_type, arg, new_result, i);
-+ add_phi_arg(phi, lhs, gimple_phi_arg_edge(oldstmt, i), gimple_location(oldstmt));
-+ }
-+
-+ update_stmt(phi);
-+ return gimple_phi_result(phi);
-+}
-+
-+static tree change_assign_rhs(gimple stmt, const_tree orig_rhs, tree new_rhs)
-+{
-+ const_gimple assign;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
-+ tree origtype = TREE_TYPE(orig_rhs);
-+
-+ gcc_assert(gimple_code(stmt) == GIMPLE_ASSIGN);
-+
-+ assign = build_cast_stmt(origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
-+ return gimple_get_lhs(assign);
-+}
-+
-+static void change_rhs1(gimple stmt, tree new_rhs1)
-+{
-+ tree assign_rhs;
-+ const_tree rhs = gimple_assign_rhs1(stmt);
-+
-+ assign_rhs = change_assign_rhs(stmt, rhs, new_rhs1);
-+ gimple_assign_set_rhs1(stmt, assign_rhs);
-+ update_stmt(stmt);
-+}
-+
-+static bool check_mode_type(const_gimple stmt)
-+{
-+ const_tree lhs = gimple_get_lhs(stmt);
-+ const_tree lhs_type = TREE_TYPE(lhs);
-+ const_tree rhs_type = TREE_TYPE(gimple_assign_rhs1(stmt));
-+ enum machine_mode lhs_mode = TYPE_MODE(lhs_type);
-+ enum machine_mode rhs_mode = TYPE_MODE(rhs_type);
-+
-+ if (rhs_mode == lhs_mode && TYPE_UNSIGNED(rhs_type) == TYPE_UNSIGNED(lhs_type))
-+ return false;
-+
-+ if (rhs_mode == SImode && lhs_mode == DImode && (TYPE_UNSIGNED(rhs_type) || !TYPE_UNSIGNED(lhs_type)))
-+ return false;
-+
-+ return true;
-+}
-+
-+static bool check_undefined_integer_operation(const_gimple stmt)
-+{
-+ const_gimple def_stmt;
-+ const_tree lhs = gimple_get_lhs(stmt);
-+ const_tree rhs1 = gimple_assign_rhs1(stmt);
-+ const_tree rhs1_type = TREE_TYPE(rhs1);
-+ const_tree lhs_type = TREE_TYPE(lhs);
-+
-+ if (TYPE_MODE(rhs1_type) != TYPE_MODE(lhs_type) || TYPE_UNSIGNED(rhs1_type) == TYPE_UNSIGNED(lhs_type))
-+ return false;
-+
-+ def_stmt = get_def_stmt(rhs1);
-+ if (gimple_code(def_stmt) != GIMPLE_ASSIGN)
-+ return false;
-+
-+ if (gimple_assign_rhs_code(def_stmt) != MINUS_EXPR)
-+ return false;
-+ return true;
-+}
-+
-+static bool is_a_cast_and_const_overflow(const_tree no_const_rhs)
-+{
-+ const_tree rhs1, lhs, rhs1_type, lhs_type;
-+ enum machine_mode lhs_mode, rhs_mode;
-+ gimple def_stmt = get_def_stmt(no_const_rhs);
-+
-+ if (!gimple_assign_cast_p(def_stmt))
-+ return false;
-+
-+ rhs1 = gimple_assign_rhs1(def_stmt);
-+ lhs = gimple_get_lhs(def_stmt);
-+ rhs1_type = TREE_TYPE(rhs1);
-+ lhs_type = TREE_TYPE(lhs);
-+ rhs_mode = TYPE_MODE(rhs1_type);
-+ lhs_mode = TYPE_MODE(lhs_type);
-+ if (TYPE_UNSIGNED(lhs_type) == TYPE_UNSIGNED(rhs1_type) || lhs_mode != rhs_mode)
-+ return false;
-+
-+ return true;
-+}
-+
-+static tree handle_unary_rhs(struct pointer_set_t *visited, bool *potentionally_overflowed, gimple stmt)
-+{
-+ tree size_overflow_type, lhs = gimple_get_lhs(stmt);
-+ tree new_rhs1, rhs1 = gimple_assign_rhs1(stmt);
-+ const_tree rhs1_type = TREE_TYPE(rhs1);
-+ const_tree lhs_type = TREE_TYPE(lhs);
-+
-+ *potentionally_overflowed = true;
-+
-+ new_rhs1 = expand(visited, potentionally_overflowed, rhs1);
-+
-+ if (new_rhs1 == NULL_TREE || TREE_CODE(rhs1_type) == POINTER_TYPE)
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+
-+ if (gimple_plf(stmt, MY_STMT))
-+ return lhs;
-+
-+ if (gimple_plf(stmt, NO_CAST_CHECK))
-+ return follow_overflow_type_and_dup(visited, potentionally_overflowed, stmt, rhs1, new_rhs1, NULL_TREE, NULL_TREE);
-+
-+ if (gimple_assign_rhs_code(stmt) == BIT_NOT_EXPR) {
-+ size_overflow_type = get_size_overflow_type(stmt, rhs1);
-+ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
-+ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, potentionally_overflowed, BEFORE_STMT);
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+ }
-+
-+ if (!gimple_assign_cast_p(stmt) || check_undefined_integer_operation(stmt))
-+ return follow_overflow_type_and_dup(visited, potentionally_overflowed, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
-+
-+ size_overflow_type = get_size_overflow_type(stmt, rhs1);
-+ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
-+
-+ change_rhs1(stmt, new_rhs1);
-+ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, potentionally_overflowed, BEFORE_STMT);
-+
-+ rhs1 = gimple_assign_rhs1(stmt);
-+ rhs1_type = TREE_TYPE(rhs1);
-+ if (TYPE_UNSIGNED(rhs1_type) != TYPE_UNSIGNED(lhs_type))
-+ return create_assign(visited, potentionally_overflowed, stmt, rhs1, AFTER_STMT);
-+
-+ if (!check_mode_type(stmt))
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+
-+ size_overflow_type = get_size_overflow_type(stmt, lhs);
-+ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
-+
-+ check_size_overflow(stmt, size_overflow_type, new_rhs1, lhs, potentionally_overflowed, BEFORE_STMT);
-+
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+}
-+
-+static tree handle_unary_ops(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs)
-+{
-+ gimple def_stmt = get_def_stmt(lhs);
-+ tree rhs1 = gimple_assign_rhs1(def_stmt);
-+
-+ if (is_gimple_constant(rhs1))
-+ return create_assign(visited, potentionally_overflowed, def_stmt, lhs, AFTER_STMT);
-+
-+ gcc_assert(TREE_CODE(rhs1) != COND_EXPR);
-+ switch (TREE_CODE(rhs1)) {
-+ case SSA_NAME:
-+ return handle_unary_rhs(visited, potentionally_overflowed, def_stmt);
-+ case ARRAY_REF:
-+ case BIT_FIELD_REF:
-+ case ADDR_EXPR:
-+ case COMPONENT_REF:
-+ case INDIRECT_REF:
-+#if BUILDING_GCC_VERSION >= 4006
-+ case MEM_REF:
-+#endif
-+ case PARM_DECL:
-+ case TARGET_MEM_REF:
-+ case VAR_DECL:
-+ return create_assign(visited, potentionally_overflowed, def_stmt, lhs, AFTER_STMT);
-+
-+ default:
-+ debug_gimple_stmt(def_stmt);
-+ debug_tree(rhs1);
-+ gcc_unreachable();
-+ }
-+}
-+
-+static void insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value)
-+{
-+ gimple cond_stmt;
-+ gimple_stmt_iterator gsi = gsi_last_bb(cond_bb);
-+
-+ cond_stmt = gimple_build_cond(cond_code, arg, type_value, NULL_TREE, NULL_TREE);
-+ gsi_insert_after(&gsi, cond_stmt, GSI_CONTINUE_LINKING);
-+ update_stmt(cond_stmt);
-+}
-+
-+static tree create_string_param(tree string)
-+{
-+ tree i_type, a_type;
-+ const int length = TREE_STRING_LENGTH(string);
-+
-+ gcc_assert(length > 0);
-+
-+ i_type = build_index_type(build_int_cst(NULL_TREE, length - 1));
-+ a_type = build_array_type(char_type_node, i_type);
-+
-+ TREE_TYPE(string) = a_type;
-+ TREE_CONSTANT(string) = 1;
-+ TREE_READONLY(string) = 1;
-+
-+ return build1(ADDR_EXPR, ptr_type_node, string);
-+}
-+
-+static void insert_cond_result(basic_block bb_true, const_gimple stmt, const_tree arg, bool min)
-+{
-+ gimple func_stmt;
-+ const_gimple def_stmt;
-+ const_tree loc_line;
-+ tree loc_file, ssa_name, current_func;
-+ expanded_location xloc;
-+ char ssa_name_buf[256];
-+ gimple_stmt_iterator gsi = gsi_start_bb(bb_true);
-+
-+ def_stmt = get_def_stmt(arg);
-+ xloc = expand_location(gimple_location(def_stmt));
-+
-+ if (!gimple_has_location(def_stmt)) {
-+ xloc = expand_location(gimple_location(stmt));
-+ if (!gimple_has_location(stmt))
-+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
-+ }
-+
-+ loc_line = build_int_cstu(unsigned_type_node, xloc.line);
-+
-+ loc_file = build_string(strlen(xloc.file) + 1, xloc.file);
-+ loc_file = create_string_param(loc_file);
-+
-+ current_func = build_string(NAME_LEN(current_function_decl) + 1, NAME(current_function_decl));
-+ current_func = create_string_param(current_func);
-+
-+ snprintf(ssa_name_buf, 256, "%s_%u (%s)\n", NAME(SSA_NAME_VAR(arg)), SSA_NAME_VERSION(arg), min ? "min" : "max");
-+ ssa_name = build_string(256, ssa_name_buf);
-+ ssa_name = create_string_param(ssa_name);
-+
-+ // void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
-+ func_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name);
-+
-+ gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING);
-+}
-+
-+static void __unused print_the_code_insertions(const_gimple stmt)
-+{
-+ location_t loc = gimple_location(stmt);
-+
-+ inform(loc, "Integer size_overflow check applied here.");
-+}
-+
-+static void insert_check_size_overflow(gimple stmt, enum tree_code cond_code, tree arg, tree type_value, bool before, bool min)
-+{
-+ basic_block cond_bb, join_bb, bb_true;
-+ edge e;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
-+
-+ cond_bb = gimple_bb(stmt);
-+ if (before)
-+ gsi_prev(&gsi);
-+ if (gsi_end_p(gsi))
-+ e = split_block_after_labels(cond_bb);
-+ else
-+ e = split_block(cond_bb, gsi_stmt(gsi));
-+ cond_bb = e->src;
-+ join_bb = e->dest;
-+ e->flags = EDGE_FALSE_VALUE;
-+ e->probability = REG_BR_PROB_BASE;
-+
-+ bb_true = create_empty_bb(cond_bb);
-+ make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE);
-+ make_edge(cond_bb, join_bb, EDGE_FALSE_VALUE);
-+ make_edge(bb_true, join_bb, EDGE_FALLTHRU);
-+
-+ if (dom_info_available_p(CDI_DOMINATORS)) {
-+ set_immediate_dominator(CDI_DOMINATORS, bb_true, cond_bb);
-+ set_immediate_dominator(CDI_DOMINATORS, join_bb, cond_bb);
-+ }
-+
-+ if (current_loops != NULL) {
-+ gcc_assert(cond_bb->loop_father == join_bb->loop_father);
-+ add_bb_to_loop(bb_true, cond_bb->loop_father);
-+ }
-+
-+ insert_cond(cond_bb, arg, cond_code, type_value);
-+ insert_cond_result(bb_true, stmt, arg, min);
-+
-+// print_the_code_insertions(stmt);
-+}
-+
-+static void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool *potentionally_overflowed, bool before)
-+{
-+ const_tree rhs_type = TREE_TYPE(rhs);
-+ tree cast_rhs_type, type_max_type, type_min_type, type_max, type_min;
-+
-+ gcc_assert(rhs_type != NULL_TREE);
-+ gcc_assert(TREE_CODE(rhs_type) == INTEGER_TYPE || TREE_CODE(rhs_type) == BOOLEAN_TYPE || TREE_CODE(rhs_type) == ENUMERAL_TYPE);
-+
-+ if (!*potentionally_overflowed)
-+ return;
-+
-+ type_max = cast_a_tree(size_overflow_type, TYPE_MAX_VALUE(rhs_type));
-+ type_min = cast_a_tree(size_overflow_type, TYPE_MIN_VALUE(rhs_type));
-+
-+ gcc_assert(!TREE_OVERFLOW(type_max));
-+
-+ cast_rhs_type = TREE_TYPE(cast_rhs);
-+ type_max_type = TREE_TYPE(type_max);
-+ type_min_type = TREE_TYPE(type_min);
-+ gcc_assert(useless_type_conversion_p(cast_rhs_type, type_max_type));
-+ gcc_assert(useless_type_conversion_p(type_max_type, type_min_type));
-+
-+ insert_check_size_overflow(stmt, GT_EXPR, cast_rhs, type_max, before, false);
-+ insert_check_size_overflow(stmt, LT_EXPR, cast_rhs, type_min, before, true);
-+}
-+
-+static tree get_size_overflow_type_for_intentional_overflow(gimple def_stmt, tree change_rhs)
-+{
-+ gimple change_rhs_def_stmt;
-+ tree lhs = gimple_get_lhs(def_stmt);
-+ tree lhs_type = TREE_TYPE(lhs);
-+ tree rhs1_type = TREE_TYPE(gimple_assign_rhs1(def_stmt));
-+ tree rhs2_type = TREE_TYPE(gimple_assign_rhs2(def_stmt));
-+
-+ if (change_rhs == NULL_TREE)
-+ return get_size_overflow_type(def_stmt, lhs);
-+
-+ change_rhs_def_stmt = get_def_stmt(change_rhs);
-+
-+ if (TREE_CODE_CLASS(gimple_assign_rhs_code(def_stmt)) == tcc_comparison)
-+ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
-+
-+ if (gimple_assign_rhs_code(def_stmt) == LSHIFT_EXPR)
-+ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
-+
-+ if (gimple_assign_rhs_code(def_stmt) == RSHIFT_EXPR)
-+ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
-+
-+ if (!useless_type_conversion_p(lhs_type, rhs1_type) || !useless_type_conversion_p(rhs1_type, rhs2_type)) {
-+ debug_gimple_stmt(def_stmt);
-+ gcc_unreachable();
-+ }
-+
-+ return get_size_overflow_type(def_stmt, lhs);
-+}
-+
-+static bool is_a_constant_overflow(const_gimple stmt, const_tree rhs)
-+{
-+ if (gimple_assign_rhs_code(stmt) == MIN_EXPR)
-+ return false;
-+ if (!is_gimple_constant(rhs))
-+ return false;
-+ return true;
-+}
-+
-+static tree get_cast_def_stmt_rhs(const_tree new_rhs)
-+{
-+ gimple def_stmt;
-+
-+ def_stmt = get_def_stmt(new_rhs);
-+ // get_size_overflow_type
-+ if (LONG_TYPE_SIZE != GET_MODE_BITSIZE(SImode))
-+ gcc_assert(gimple_assign_cast_p(def_stmt));
-+ return gimple_assign_rhs1(def_stmt);
-+}
-+
-+static tree cast_to_int_TI_type_and_check(bool *potentionally_overflowed, gimple stmt, tree new_rhs)
-+{
-+ gimple_stmt_iterator gsi;
-+ const_gimple cast_stmt;
-+ gimple def_stmt;
-+ enum machine_mode mode = TYPE_MODE(TREE_TYPE(new_rhs));
-+
-+ if (mode != TImode && mode != DImode) {
-+ def_stmt = get_def_stmt(new_rhs);
-+ gcc_assert(gimple_assign_cast_p(def_stmt));
-+ new_rhs = gimple_assign_rhs1(def_stmt);
-+ mode = TYPE_MODE(TREE_TYPE(new_rhs));
-+ }
-+
-+ gcc_assert(mode == TImode || mode == DImode);
-+
-+ if (mode == TYPE_MODE(intTI_type_node) && useless_type_conversion_p(TREE_TYPE(new_rhs), intTI_type_node))
-+ return new_rhs;
-+
-+ gsi = gsi_for_stmt(stmt);
-+ cast_stmt = build_cast_stmt(intTI_type_node, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
-+ new_rhs = gimple_get_lhs(cast_stmt);
-+
-+ if (mode == DImode)
-+ return new_rhs;
-+
-+ check_size_overflow(stmt, intTI_type_node, new_rhs, new_rhs, potentionally_overflowed, BEFORE_STMT);
-+
-+ return new_rhs;
-+}
-+
-+static bool is_an_integer_trunction(const_gimple stmt)
-+{
-+ gimple rhs1_def_stmt, rhs2_def_stmt;
-+ const_tree rhs1_def_stmt_rhs1, rhs2_def_stmt_rhs1;
-+ enum machine_mode rhs1_def_stmt_rhs1_mode, rhs2_def_stmt_rhs1_mode;
-+ const_tree rhs1 = gimple_assign_rhs1(stmt);
-+ const_tree rhs2 = gimple_assign_rhs2(stmt);
-+ enum machine_mode rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1));
-+ enum machine_mode rhs2_mode = TYPE_MODE(TREE_TYPE(rhs2));
-+
-+ if (is_gimple_constant(rhs1) || is_gimple_constant(rhs2))
-+ return false;
-+
-+ gcc_assert(TREE_CODE(rhs1) == SSA_NAME && TREE_CODE(rhs2) == SSA_NAME);
-+
-+ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR || rhs1_mode != SImode || rhs2_mode != SImode)
-+ return false;
-+
-+ rhs1_def_stmt = get_def_stmt(rhs1);
-+ rhs2_def_stmt = get_def_stmt(rhs2);
-+ if (!gimple_assign_cast_p(rhs1_def_stmt) || !gimple_assign_cast_p(rhs2_def_stmt))
-+ return false;
-+
-+ rhs1_def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt);
-+ rhs2_def_stmt_rhs1 = gimple_assign_rhs1(rhs2_def_stmt);
-+ rhs1_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_rhs1));
-+ rhs2_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_rhs1));
-+ if (rhs1_def_stmt_rhs1_mode != DImode || rhs2_def_stmt_rhs1_mode != DImode)
-+ return false;
-+
-+ gimple_set_plf(rhs1_def_stmt, NO_CAST_CHECK, true);
-+ gimple_set_plf(rhs2_def_stmt, NO_CAST_CHECK, true);
-+ return true;
-+}
-+
-+static tree handle_integer_truncation(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs)
-+{
-+ tree new_rhs1, new_rhs2;
-+ tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs;
-+ tree new_rhs1_def_stmt_rhs1_type, new_rhs2_def_stmt_rhs1_type;
-+ gimple assign, stmt = get_def_stmt(lhs);
-+ tree rhs1 = gimple_assign_rhs1(stmt);
-+ tree rhs2 = gimple_assign_rhs2(stmt);
-+
-+ if (!is_an_integer_trunction(stmt))
-+ return NULL_TREE;
-+
-+ new_rhs1 = expand(visited, potentionally_overflowed, rhs1);
-+ new_rhs2 = expand(visited, potentionally_overflowed, rhs2);
-+
-+ new_rhs1_def_stmt_rhs1 = get_cast_def_stmt_rhs(new_rhs1);
-+ new_rhs2_def_stmt_rhs1 = get_cast_def_stmt_rhs(new_rhs2);
-+
-+ new_rhs1_def_stmt_rhs1_type = TREE_TYPE(new_rhs1_def_stmt_rhs1);
-+ new_rhs2_def_stmt_rhs1_type = TREE_TYPE(new_rhs2_def_stmt_rhs1);
-+
-+ if (!useless_type_conversion_p(new_rhs1_def_stmt_rhs1_type, new_rhs2_def_stmt_rhs1_type)) {
-+ new_rhs1_def_stmt_rhs1 = cast_to_int_TI_type_and_check(potentionally_overflowed, stmt, new_rhs1_def_stmt_rhs1);
-+ new_rhs2_def_stmt_rhs1 = cast_to_int_TI_type_and_check(potentionally_overflowed, stmt, new_rhs2_def_stmt_rhs1);
-+ }
-+
-+ assign = create_binary_assign(MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1);
-+ new_lhs = gimple_get_lhs(assign);
-+ check_size_overflow(assign, TREE_TYPE(new_lhs), new_lhs, rhs1, potentionally_overflowed, AFTER_STMT);
-+
-+ return follow_overflow_type_and_dup(visited, potentionally_overflowed, stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
-+}
-+
-+static bool is_a_neg_overflow(const_gimple stmt, const_tree rhs)
-+{
-+ const_gimple def_stmt;
-+
-+ if (TREE_CODE(rhs) != SSA_NAME)
-+ return false;
-+
-+ if (gimple_assign_rhs_code(stmt) != PLUS_EXPR)
-+ return false;
-+
-+ def_stmt = get_def_stmt(rhs);
-+ if (gimple_code(def_stmt) != GIMPLE_ASSIGN || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR)
-+ return false;
-+
-+ return true;
-+}
-+
-+static tree handle_intentional_overflow(struct pointer_set_t *visited, bool *potentionally_overflowed, bool check_overflow, gimple stmt, tree change_rhs, tree new_rhs1, tree new_rhs2)
-+{
-+ tree new_rhs, size_overflow_type, orig_rhs;
-+ void (*gimple_assign_set_rhs)(gimple, tree);
-+ tree rhs1 = gimple_assign_rhs1(stmt);
-+ tree rhs2 = gimple_assign_rhs2(stmt);
-+ tree lhs = gimple_get_lhs(stmt);
-+
-+ if (change_rhs == NULL_TREE)
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+
-+ if (new_rhs2 == NULL_TREE) {
-+ size_overflow_type = get_size_overflow_type_for_intentional_overflow(stmt, new_rhs1);
-+ new_rhs2 = cast_a_tree(size_overflow_type, rhs2);
-+ orig_rhs = rhs1;
-+ gimple_assign_set_rhs = &gimple_assign_set_rhs1;
-+ } else {
-+ size_overflow_type = get_size_overflow_type_for_intentional_overflow(stmt, new_rhs2);
-+ new_rhs1 = cast_a_tree(size_overflow_type, rhs1);
-+ orig_rhs = rhs2;
-+ gimple_assign_set_rhs = &gimple_assign_set_rhs2;
-+ }
-+
-+ change_rhs = cast_to_new_size_overflow_type(stmt, change_rhs, size_overflow_type, BEFORE_STMT);
-+
-+ if (check_overflow)
-+ check_size_overflow(stmt, size_overflow_type, change_rhs, orig_rhs, potentionally_overflowed, BEFORE_STMT);
-+
-+ new_rhs = change_assign_rhs(stmt, orig_rhs, change_rhs);
-+ gimple_assign_set_rhs(stmt, new_rhs);
-+ update_stmt(stmt);
-+
-+ return create_assign(visited, potentionally_overflowed, stmt, lhs, AFTER_STMT);
-+}
-+
-+static tree handle_binary_ops(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs)
-+{
-+ tree rhs1, rhs2, new_lhs;
-+ gimple def_stmt = get_def_stmt(lhs);
-+ tree new_rhs1 = NULL_TREE;
-+ tree new_rhs2 = NULL_TREE;
-+
-+ rhs1 = gimple_assign_rhs1(def_stmt);
-+ rhs2 = gimple_assign_rhs2(def_stmt);
-+
-+ /* no DImode/TImode division in the 32/64 bit kernel */
-+ switch (gimple_assign_rhs_code(def_stmt)) {
-+ case RDIV_EXPR:
-+ case TRUNC_DIV_EXPR:
-+ case CEIL_DIV_EXPR:
-+ case FLOOR_DIV_EXPR:
-+ case ROUND_DIV_EXPR:
-+ case TRUNC_MOD_EXPR:
-+ case CEIL_MOD_EXPR:
-+ case FLOOR_MOD_EXPR:
-+ case ROUND_MOD_EXPR:
-+ case EXACT_DIV_EXPR:
-+ case POINTER_PLUS_EXPR:
-+ case BIT_AND_EXPR:
-+ return create_assign(visited, potentionally_overflowed, def_stmt, lhs, AFTER_STMT);
-+ default:
-+ break;
-+ }
-+
-+ *potentionally_overflowed = true;
-+
-+ new_lhs = handle_integer_truncation(visited, potentionally_overflowed, lhs);
-+ if (new_lhs != NULL_TREE)
-+ return new_lhs;
-+
-+ if (TREE_CODE(rhs1) == SSA_NAME)
-+ new_rhs1 = expand(visited, potentionally_overflowed, rhs1);
-+ if (TREE_CODE(rhs2) == SSA_NAME)
-+ new_rhs2 = expand(visited, potentionally_overflowed, rhs2);
-+
-+ if (is_a_neg_overflow(def_stmt, rhs2))
-+ return handle_intentional_overflow(visited, potentionally_overflowed, true, def_stmt, new_rhs1, new_rhs1, NULL_TREE);
-+ if (is_a_neg_overflow(def_stmt, rhs1))
-+ return handle_intentional_overflow(visited, potentionally_overflowed, true, def_stmt, new_rhs2, NULL_TREE, new_rhs2);
-+
-+ if (is_a_constant_overflow(def_stmt, rhs2))
-+ return handle_intentional_overflow(visited, potentionally_overflowed, !is_a_cast_and_const_overflow(rhs1), def_stmt, new_rhs1, new_rhs1, NULL_TREE);
-+ if (is_a_constant_overflow(def_stmt, rhs1))
-+ return handle_intentional_overflow(visited, potentionally_overflowed, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, NULL_TREE, new_rhs2);
-+
-+ return follow_overflow_type_and_dup(visited, potentionally_overflowed, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
-+}
-+
-+#if BUILDING_GCC_VERSION >= 4007
-+static tree get_new_rhs(struct pointer_set_t *visited, bool *potentionally_overflowed, tree size_overflow_type, tree rhs)
-+{
-+ if (is_gimple_constant(rhs))
-+ return cast_a_tree(size_overflow_type, rhs);
-+ if (TREE_CODE(rhs) != SSA_NAME)
-+ return NULL_TREE;
-+ return expand(visited, potentionally_overflowed, rhs);
-+}
-+
-+static tree handle_ternary_ops(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs)
-+{
-+ tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type;
-+ gimple def_stmt = get_def_stmt(lhs);
-+
-+ *potentionally_overflowed = true;
-+
-+ size_overflow_type = get_size_overflow_type(def_stmt, lhs);
-+
-+ rhs1 = gimple_assign_rhs1(def_stmt);
-+ rhs2 = gimple_assign_rhs2(def_stmt);
-+ rhs3 = gimple_assign_rhs3(def_stmt);
-+ new_rhs1 = get_new_rhs(visited, potentionally_overflowed, size_overflow_type, rhs1);
-+ new_rhs2 = get_new_rhs(visited, potentionally_overflowed, size_overflow_type, rhs2);
-+ new_rhs3 = get_new_rhs(visited, potentionally_overflowed, size_overflow_type, rhs3);
-+
-+ return follow_overflow_type_and_dup(visited, potentionally_overflowed, def_stmt, lhs, new_rhs1, new_rhs2, new_rhs3);
-+}
-+#endif
-+
-+static tree get_size_overflow_type(gimple stmt, tree node)
-+{
-+ tree type;
-+
-+ gcc_assert(node != NULL_TREE);
-+
-+ type = TREE_TYPE(node);
-+
-+ if (gimple_plf(stmt, MY_STMT))
-+ return TREE_TYPE(node);
-+
-+ switch (TYPE_MODE(type)) {
-+ case QImode:
-+ return (TYPE_UNSIGNED(type)) ? unsigned_intHI_type_node : intHI_type_node;
-+ case HImode:
-+ return (TYPE_UNSIGNED(type)) ? unsigned_intSI_type_node : intSI_type_node;
-+ case SImode:
-+ return (TYPE_UNSIGNED(type)) ? unsigned_intDI_type_node : intDI_type_node;
-+ case DImode:
-+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode))
-+ return (TYPE_UNSIGNED(type)) ? unsigned_intDI_type_node : intDI_type_node;
-+ return (TYPE_UNSIGNED(type)) ? unsigned_intTI_type_node : intTI_type_node;
-+ default:
-+ debug_tree(node);
-+ error("get_size_overflow_type: unsupported gcc configuration.");
-+ gcc_unreachable();
-+ }
-+}
-+
-+static tree expand_visited(gimple def_stmt)
-+{
-+ const_gimple next_stmt;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(def_stmt);
-+
-+ gsi_next(&gsi);
-+ next_stmt = gsi_stmt(gsi);
-+
-+ switch (gimple_code(next_stmt)) {
-+ case GIMPLE_ASSIGN:
-+ return gimple_get_lhs(next_stmt);
-+ case GIMPLE_PHI:
-+ return gimple_phi_result(next_stmt);
-+ case GIMPLE_CALL:
-+ return gimple_call_lhs(next_stmt);
-+ default:
-+ return NULL_TREE;
-+ }
-+}
-+
-+static tree expand(struct pointer_set_t *visited, bool *potentionally_overflowed, tree lhs)
-+{
-+ gimple def_stmt;
-+ enum tree_code code = TREE_CODE(TREE_TYPE(lhs));
-+
-+ if (is_gimple_constant(lhs))
-+ return NULL_TREE;
-+
-+ if (TREE_CODE(lhs) == ADDR_EXPR)
-+ return NULL_TREE;
-+
-+ gcc_assert(code == INTEGER_TYPE || code == POINTER_TYPE || code == BOOLEAN_TYPE || code == ENUMERAL_TYPE);
-+
-+ if (TREE_CODE(SSA_NAME_VAR(lhs)) == PARM_DECL)
-+ check_missing_attribute(lhs);
-+
-+ def_stmt = get_def_stmt(lhs);
-+
-+ if (!def_stmt)
-+ return NULL_TREE;
-+
-+ if (gimple_plf(def_stmt, MY_STMT))
-+ return lhs;
-+
-+ if (pointer_set_contains(visited, def_stmt))
-+ return expand_visited(def_stmt);
-+
-+ switch (gimple_code(def_stmt)) {
-+ case GIMPLE_NOP:
-+ check_missing_attribute(lhs);
-+ return NULL_TREE;
-+ case GIMPLE_PHI:
-+ return build_new_phi(visited, potentionally_overflowed, lhs);
-+ case GIMPLE_CALL:
-+ case GIMPLE_ASM:
-+ return create_assign(visited, potentionally_overflowed, def_stmt, lhs, AFTER_STMT);
-+ case GIMPLE_ASSIGN:
-+ switch (gimple_num_ops(def_stmt)) {
-+ case 2:
-+ return handle_unary_ops(visited, potentionally_overflowed, lhs);
-+ case 3:
-+ return handle_binary_ops(visited, potentionally_overflowed, lhs);
-+#if BUILDING_GCC_VERSION >= 4007
-+ case 4:
-+ return handle_ternary_ops(visited, potentionally_overflowed, lhs);
-+#endif
-+ }
-+ default:
-+ debug_gimple_stmt(def_stmt);
-+ error("expand: unknown gimple code");
-+ gcc_unreachable();
-+ }
-+}
-+
-+static void change_function_arg(gimple stmt, const_tree origarg, unsigned int argnum, tree newarg)
-+{
-+ const_gimple assign;
-+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
-+ tree origtype = TREE_TYPE(origarg);
-+
-+ gcc_assert(gimple_code(stmt) == GIMPLE_CALL);
-+
-+ assign = build_cast_stmt(origtype, newarg, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
-+
-+ gimple_call_set_arg(stmt, argnum, gimple_get_lhs(assign));
-+ update_stmt(stmt);
-+}
-+
-+static tree get_function_arg(unsigned int argnum, const_gimple stmt, const_tree fndecl)
-+{
-+ const char *origid;
-+ tree arg;
-+ const_tree origarg;
-+
-+ if (!DECL_ABSTRACT_ORIGIN(fndecl)) {
-+ gcc_assert(gimple_call_num_args(stmt) > argnum);
-+ return gimple_call_arg(stmt, argnum);
-+ }
-+
-+ origarg = DECL_ARGUMENTS(DECL_ABSTRACT_ORIGIN(fndecl));
-+ while (origarg && argnum) {
-+ argnum--;
-+ origarg = TREE_CHAIN(origarg);
-+ }
-+
-+ gcc_assert(argnum == 0);
-+
-+ gcc_assert(origarg != NULL_TREE);
-+ origid = NAME(origarg);
-+ for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN(arg)) {
-+ if (!strcmp(origid, NAME(arg)))
-+ return arg;
-+ }
-+ return NULL_TREE;
-+}
-+
-+static void handle_function_arg(gimple stmt, const_tree fndecl, unsigned int argnum)
-+{
-+ struct pointer_set_t *visited;
-+ tree arg, newarg;
-+ bool potentionally_overflowed;
-+
-+ arg = get_function_arg(argnum, stmt, fndecl);
-+ if (arg == NULL_TREE)
-+ return;
-+
-+ if (is_gimple_constant(arg))
-+ return;
-+ if (TREE_CODE(arg) != SSA_NAME)
-+ return;
-+
-+ check_arg_type(arg);
-+
-+ visited = pointer_set_create();
-+ potentionally_overflowed = false;
-+ newarg = expand(visited, &potentionally_overflowed, arg);
-+ pointer_set_destroy(visited);
-+
-+ if (newarg == NULL_TREE || !potentionally_overflowed)
-+ return;
-+
-+ change_function_arg(stmt, arg, argnum, newarg);
-+
-+ check_size_overflow(stmt, TREE_TYPE(newarg), newarg, arg, &potentionally_overflowed, BEFORE_STMT);
-+}
-+
-+static void handle_function_by_attribute(gimple stmt, const_tree attr, const_tree fndecl)
-+{
-+ tree p = TREE_VALUE(attr);
-+ do {
-+ handle_function_arg(stmt, fndecl, TREE_INT_CST_LOW(TREE_VALUE(p))-1);
-+ p = TREE_CHAIN(p);
-+ } while (p);
-+}
-+
-+static void handle_function_by_hash(gimple stmt, const_tree fndecl)
-+{
-+ const_tree orig_fndecl;
-+ unsigned int num;
-+ const struct size_overflow_hash *hash;
-+
-+ orig_fndecl = get_original_function_decl(fndecl);
-+ hash = get_function_hash(orig_fndecl);
-+ if (!hash)
-+ return;
-+
-+ for (num = 1; num <= MAX_PARAM; num++)
-+ if (hash->param & (1U << num))
-+ handle_function_arg(stmt, fndecl, num - 1);
-+}
-+
-+static void set_plf_false(void)
-+{
-+ basic_block bb;
-+
-+ FOR_ALL_BB(bb) {
-+ gimple_stmt_iterator si;
-+
-+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si))
-+ gimple_set_plf(gsi_stmt(si), MY_STMT, false);
-+ for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si))
-+ gimple_set_plf(gsi_stmt(si), MY_STMT, false);
-+ }
-+}
-+
-+static unsigned int handle_function(void)
-+{
-+ basic_block next, bb = ENTRY_BLOCK_PTR->next_bb;
-+
-+ set_plf_false();
-+
-+ do {
-+ gimple_stmt_iterator gsi;
-+ next = bb->next_bb;
-+
-+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
-+ const_tree fndecl, attr;
-+ gimple stmt = gsi_stmt(gsi);
-+
-+ if (!(is_gimple_call(stmt)))
-+ continue;
-+ fndecl = gimple_call_fndecl(stmt);
-+ if (fndecl == NULL_TREE)
-+ continue;
-+ if (gimple_call_num_args(stmt) == 0)
-+ continue;
-+ attr = lookup_attribute("size_overflow", DECL_ATTRIBUTES(fndecl));
-+ if (!attr || !TREE_VALUE(attr))
-+ handle_function_by_hash(stmt, fndecl);
-+ else
-+ handle_function_by_attribute(stmt, attr, fndecl);
-+ gsi = gsi_for_stmt(stmt);
-+ next = gimple_bb(stmt)->next_bb;
-+ }
-+ bb = next;
-+ } while (bb);
-+ return 0;
-+}
-+
-+static struct gimple_opt_pass size_overflow_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "size_overflow",
-+ .gate = NULL,
-+ .execute = handle_function,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = PROP_cfg | PROP_referenced_vars,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow
-+ }
-+};
-+
-+static void start_unit_callback(void __unused *gcc_data, void __unused *user_data)
-+{
-+ tree fntype;
-+
-+ const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0));
-+
-+ // void report_size_overflow(const char *loc_file, unsigned int loc_line, const char *current_func, const char *ssa_var)
-+ fntype = build_function_type_list(void_type_node,
-+ const_char_ptr_type_node,
-+ unsigned_type_node,
-+ const_char_ptr_type_node,
-+ const_char_ptr_type_node,
-+ NULL_TREE);
-+ report_size_overflow_decl = build_fn_decl("report_size_overflow", fntype);
-+
-+ DECL_ASSEMBLER_NAME(report_size_overflow_decl);
-+ TREE_PUBLIC(report_size_overflow_decl) = 1;
-+ DECL_EXTERNAL(report_size_overflow_decl) = 1;
-+ DECL_ARTIFICIAL(report_size_overflow_decl) = 1;
-+ TREE_THIS_VOLATILE(report_size_overflow_decl) = 1;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ int i;
-+ const char * const plugin_name = plugin_info->base_name;
-+ const int argc = plugin_info->argc;
-+ const struct plugin_argument * const argv = plugin_info->argv;
-+ bool enable = true;
-+
-+ struct register_pass_info size_overflow_pass_info = {
-+ .pass = &size_overflow_pass.pass,
-+ .reference_pass_name = "ssa",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_AFTER
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ for (i = 0; i < argc; ++i) {
-+ if (!strcmp(argv[i].key, "no-size-overflow")) {
-+ enable = false;
-+ continue;
-+ }
-+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &size_overflow_plugin_info);
-+ if (enable) {
-+ register_callback("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &size_overflow_pass_info);
-+ }
-+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
-+
-+ return 0;
-+}
-diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c
-new file mode 100644
-index 0000000..38d2014
---- /dev/null
-+++ b/tools/gcc/stackleak_plugin.c
-@@ -0,0 +1,313 @@
-+/*
-+ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
-+ * Licensed under the GPL v2
-+ *
-+ * Note: the choice of the license means that the compilation process is
-+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
-+ * but for the kernel it doesn't matter since it doesn't link against
-+ * any of the gcc libraries
-+ *
-+ * gcc plugin to help implement various PaX features
-+ *
-+ * - track lowest stack pointer
-+ *
-+ * TODO:
-+ * - initialize all local variables
-+ *
-+ * BUGS:
-+ * - none known
-+ */
-+#include "gcc-plugin.h"
-+#include "config.h"
-+#include "system.h"
-+#include "coretypes.h"
-+#include "tree.h"
-+#include "tree-pass.h"
-+#include "flags.h"
-+#include "intl.h"
-+#include "toplev.h"
-+#include "plugin.h"
-+//#include "expr.h" where are you...
-+#include "diagnostic.h"
-+#include "plugin-version.h"
-+#include "tm.h"
-+#include "function.h"
-+#include "basic-block.h"
-+#include "gimple.h"
-+#include "rtl.h"
-+#include "emit-rtl.h"
-+
-+extern void print_gimple_stmt(FILE *, gimple, int, int);
-+
-+int plugin_is_GPL_compatible;
-+
-+static int track_frame_size = -1;
-+static const char track_function[] = "pax_track_stack";
-+static const char check_function[] = "pax_check_alloca";
-+static bool init_locals;
-+
-+static struct plugin_info stackleak_plugin_info = {
-+ .version = "201203140940",
-+ .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n"
-+// "initialize-locals\t\tforcibly initialize all stack frames\n"
-+};
-+
-+static bool gate_stackleak_track_stack(void);
-+static unsigned int execute_stackleak_tree_instrument(void);
-+static unsigned int execute_stackleak_final(void);
-+
-+static struct gimple_opt_pass stackleak_tree_instrument_pass = {
-+ .pass = {
-+ .type = GIMPLE_PASS,
-+ .name = "stackleak_tree_instrument",
-+ .gate = gate_stackleak_track_stack,
-+ .execute = execute_stackleak_tree_instrument,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = PROP_gimple_leh | PROP_cfg,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
-+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa
-+ }
-+};
-+
-+static struct rtl_opt_pass stackleak_final_rtl_opt_pass = {
-+ .pass = {
-+ .type = RTL_PASS,
-+ .name = "stackleak_final",
-+ .gate = gate_stackleak_track_stack,
-+ .execute = execute_stackleak_final,
-+ .sub = NULL,
-+ .next = NULL,
-+ .static_pass_number = 0,
-+ .tv_id = TV_NONE,
-+ .properties_required = 0,
-+ .properties_provided = 0,
-+ .properties_destroyed = 0,
-+ .todo_flags_start = 0,
-+ .todo_flags_finish = TODO_dump_func
-+ }
-+};
-+
-+static bool gate_stackleak_track_stack(void)
-+{
-+ return track_frame_size >= 0;
-+}
-+
-+static void stackleak_check_alloca(gimple_stmt_iterator *gsi)
-+{
-+ gimple check_alloca;
-+ tree fntype, fndecl, alloca_size;
-+
-+ fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE);
-+ fndecl = build_fn_decl(check_function, fntype);
-+ DECL_ASSEMBLER_NAME(fndecl); // for LTO
-+
-+ // insert call to void pax_check_alloca(unsigned long size)
-+ alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0);
-+ check_alloca = gimple_build_call(fndecl, 1, alloca_size);
-+ gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT);
-+}
-+
-+static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi)
-+{
-+ gimple track_stack;
-+ tree fntype, fndecl;
-+
-+ fntype = build_function_type_list(void_type_node, NULL_TREE);
-+ fndecl = build_fn_decl(track_function, fntype);
-+ DECL_ASSEMBLER_NAME(fndecl); // for LTO
-+
-+ // insert call to void pax_track_stack(void)
-+ track_stack = gimple_build_call(fndecl, 0);
-+ gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING);
-+}
-+
-+#if BUILDING_GCC_VERSION == 4005
-+static bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
-+{
-+ tree fndecl;
-+
-+ if (!is_gimple_call(stmt))
-+ return false;
-+ fndecl = gimple_call_fndecl(stmt);
-+ if (!fndecl)
-+ return false;
-+ if (DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
-+ return false;
-+// print_node(stderr, "pax", fndecl, 4);
-+ return DECL_FUNCTION_CODE(fndecl) == code;
-+}
-+#endif
-+
-+static bool is_alloca(gimple stmt)
-+{
-+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA))
-+ return true;
-+
-+#if BUILDING_GCC_VERSION >= 4007
-+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN))
-+ return true;
-+#endif
-+
-+ return false;
-+}
-+
-+static unsigned int execute_stackleak_tree_instrument(void)
-+{
-+ basic_block bb, entry_bb;
-+ bool prologue_instrumented = false, is_leaf = true;
-+
-+ entry_bb = ENTRY_BLOCK_PTR_FOR_FUNCTION(cfun)->next_bb;
-+
-+ // 1. loop through BBs and GIMPLE statements
-+ FOR_EACH_BB(bb) {
-+ gimple_stmt_iterator gsi;
-+
-+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
-+ gimple stmt;
-+
-+ stmt = gsi_stmt(gsi);
-+
-+ if (is_gimple_call(stmt))
-+ is_leaf = false;
-+
-+ // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450>
-+ if (!is_alloca(stmt))
-+ continue;
-+
-+ // 2. insert stack overflow check before each __builtin_alloca call
-+ stackleak_check_alloca(&gsi);
-+
-+ // 3. insert track call after each __builtin_alloca call
-+ stackleak_add_instrumentation(&gsi);
-+ if (bb == entry_bb)
-+ prologue_instrumented = true;
-+ }
-+ }
-+
-+ // special cases for some bad linux code: taking the address of static inline functions will materialize them
-+ // but we mustn't instrument some of them as the resulting stack alignment required by the function call ABI
-+ // will break other assumptions regarding the expected (but not otherwise enforced) register clobbering ABI.
-+ // case in point: native_save_fl on amd64 when optimized for size clobbers rdx if it were instrumented here.
-+ if (is_leaf && !TREE_PUBLIC(current_function_decl) && DECL_DECLARED_INLINE_P(current_function_decl))
-+ return 0;
-+ if (is_leaf && !strncmp(IDENTIFIER_POINTER(DECL_NAME(current_function_decl)), "_paravirt_", 10))
-+ return 0;
-+
-+ // 4. insert track call at the beginning
-+ if (!prologue_instrumented) {
-+ gimple_stmt_iterator gsi;
-+
-+ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
-+ if (dom_info_available_p(CDI_DOMINATORS))
-+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR);
-+ gsi = gsi_start_bb(bb);
-+ stackleak_add_instrumentation(&gsi);
-+ }
-+
-+ return 0;
-+}
-+
-+static unsigned int execute_stackleak_final(void)
-+{
-+ rtx insn;
-+
-+ if (cfun->calls_alloca)
-+ return 0;
-+
-+ // keep calls only if function frame is big enough
-+ if (get_frame_size() >= track_frame_size)
-+ return 0;
-+
-+ // 1. find pax_track_stack calls
-+ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
-+ // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil))
-+ rtx body;
-+
-+ if (!CALL_P(insn))
-+ continue;
-+ body = PATTERN(insn);
-+ if (GET_CODE(body) != CALL)
-+ continue;
-+ body = XEXP(body, 0);
-+ if (GET_CODE(body) != MEM)
-+ continue;
-+ body = XEXP(body, 0);
-+ if (GET_CODE(body) != SYMBOL_REF)
-+ continue;
-+ if (strcmp(XSTR(body, 0), track_function))
-+ continue;
-+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
-+ // 2. delete call
-+ insn = delete_insn_and_edges(insn);
-+#if BUILDING_GCC_VERSION >= 4007
-+ if (GET_CODE(insn) == NOTE && NOTE_KIND(insn) == NOTE_INSN_CALL_ARG_LOCATION)
-+ insn = delete_insn_and_edges(insn);
-+#endif
-+ }
-+
-+// print_simple_rtl(stderr, get_insns());
-+// print_rtl(stderr, get_insns());
-+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
-+
-+ return 0;
-+}
-+
-+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
-+{
-+ const char * const plugin_name = plugin_info->base_name;
-+ const int argc = plugin_info->argc;
-+ const struct plugin_argument * const argv = plugin_info->argv;
-+ int i;
-+ struct register_pass_info stackleak_tree_instrument_pass_info = {
-+ .pass = &stackleak_tree_instrument_pass.pass,
-+// .reference_pass_name = "tree_profile",
-+ .reference_pass_name = "optimized",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_BEFORE
-+ };
-+ struct register_pass_info stackleak_final_pass_info = {
-+ .pass = &stackleak_final_rtl_opt_pass.pass,
-+ .reference_pass_name = "final",
-+ .ref_pass_instance_number = 1,
-+ .pos_op = PASS_POS_INSERT_BEFORE
-+ };
-+
-+ if (!plugin_default_version_check(version, &gcc_version)) {
-+ error(G_("incompatible gcc/plugin versions"));
-+ return 1;
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info);
-+
-+ for (i = 0; i < argc; ++i) {
-+ if (!strcmp(argv[i].key, "track-lowest-sp")) {
-+ if (!argv[i].value) {
-+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ continue;
-+ }
-+ track_frame_size = atoi(argv[i].value);
-+ if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0)
-+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
-+ continue;
-+ }
-+ if (!strcmp(argv[i].key, "initialize-locals")) {
-+ if (argv[i].value) {
-+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
-+ continue;
-+ }
-+ init_locals = true;
-+ continue;
-+ }
-+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
-+ }
-+
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_tree_instrument_pass_info);
-+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_final_pass_info);
-+
-+ return 0;
-+}
-diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h
-index 6789d78..4afd019e 100644
---- a/tools/perf/util/include/asm/alternative-asm.h
-+++ b/tools/perf/util/include/asm/alternative-asm.h
-@@ -5,4 +5,7 @@
-
- #define altinstruction_entry #
-
-+ .macro pax_force_retaddr rip=0, reload=0
-+ .endm
-+
- #endif
-diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
-index af0f22f..9a7d479 100644
---- a/usr/gen_init_cpio.c
-+++ b/usr/gen_init_cpio.c
-@@ -303,7 +303,7 @@ static int cpio_mkfile(const char *name, const char *location,
- int retval;
- int rc = -1;
- int namesize;
-- int i;
-+ unsigned int i;
-
- mode |= S_IFREG;
-
-@@ -392,9 +392,10 @@ static char *cpio_replace_env(char *new_location)
- *env_var = *expanded = '\0';
- strncat(env_var, start + 2, end - start - 2);
- strncat(expanded, new_location, start - new_location);
-- strncat(expanded, getenv(env_var), PATH_MAX);
-- strncat(expanded, end + 1, PATH_MAX);
-+ strncat(expanded, getenv(env_var), PATH_MAX - strlen(expanded));
-+ strncat(expanded, end + 1, PATH_MAX - strlen(expanded));
- strncpy(new_location, expanded, PATH_MAX);
-+ new_location[PATH_MAX] = 0;
- } else
- break;
- }
-diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
-index 44ee712..7da730b 100644
---- a/virt/kvm/kvm_main.c
-+++ b/virt/kvm/kvm_main.c
-@@ -75,7 +75,7 @@ LIST_HEAD(vm_list);
-
- static cpumask_var_t cpus_hardware_enabled;
- static int kvm_usage_count = 0;
--static atomic_t hardware_enable_failed;
-+static atomic_unchecked_t hardware_enable_failed;
-
- struct kmem_cache *kvm_vcpu_cache;
- EXPORT_SYMBOL_GPL(kvm_vcpu_cache);
-@@ -2291,7 +2291,7 @@ static void hardware_enable_nolock(void *junk)
-
- if (r) {
- cpumask_clear_cpu(cpu, cpus_hardware_enabled);
-- atomic_inc(&hardware_enable_failed);
-+ atomic_inc_unchecked(&hardware_enable_failed);
- printk(KERN_INFO "kvm: enabling virtualization on "
- "CPU%d failed\n", cpu);
- }
-@@ -2345,10 +2345,10 @@ static int hardware_enable_all(void)
-
- kvm_usage_count++;
- if (kvm_usage_count == 1) {
-- atomic_set(&hardware_enable_failed, 0);
-+ atomic_set_unchecked(&hardware_enable_failed, 0);
- on_each_cpu(hardware_enable_nolock, NULL, 1);
-
-- if (atomic_read(&hardware_enable_failed)) {
-+ if (atomic_read_unchecked(&hardware_enable_failed)) {
- hardware_disable_all_nolock();
- r = -EBUSY;
- }
-@@ -2709,7 +2709,7 @@ static void kvm_sched_out(struct preempt_notifier *pn,
- kvm_arch_vcpu_put(vcpu);
- }
-
--int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
-+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- struct module *module)
- {
- int r;
-@@ -2772,7 +2772,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- if (!vcpu_align)
- vcpu_align = __alignof__(struct kvm_vcpu);
- kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align,
-- 0, NULL);
-+ SLAB_USERCOPY, NULL);
- if (!kvm_vcpu_cache) {
- r = -ENOMEM;
- goto out_free_3;
-@@ -2782,9 +2782,11 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- if (r)
- goto out_free;
-
-- kvm_chardev_ops.owner = module;
-- kvm_vm_fops.owner = module;
-- kvm_vcpu_fops.owner = module;
-+ pax_open_kernel();
-+ *(void **)&kvm_chardev_ops.owner = module;
-+ *(void **)&kvm_vm_fops.owner = module;
-+ *(void **)&kvm_vcpu_fops.owner = module;
-+ pax_close_kernel();
-
- r = misc_register(&kvm_dev);
- if (r) {
diff --git a/kernel/patches/grsecurity-2.9.1-3.6.6-201211072001.patch b/kernel/patches/grsecurity-2.9.1-3.6.6-201211072001.patch
new file mode 100644
index 0000000..e6e5d8f
--- /dev/null
+++ b/kernel/patches/grsecurity-2.9.1-3.6.6-201211072001.patch
@@ -0,0 +1,89947 @@
+diff --git a/Documentation/dontdiff b/Documentation/dontdiff
+index 39462cf..611a556 100644
+--- a/Documentation/dontdiff
++++ b/Documentation/dontdiff
+@@ -2,9 +2,11 @@
+ *.aux
+ *.bin
+ *.bz2
++*.c.[012]*.*
+ *.cis
+ *.cpio
+ *.csp
++*.dbg
+ *.dsp
+ *.dvi
+ *.elf
+@@ -14,6 +16,7 @@
+ *.gcov
+ *.gen.S
+ *.gif
++*.gmo
+ *.grep
+ *.grp
+ *.gz
+@@ -48,14 +51,17 @@
+ *.tab.h
+ *.tex
+ *.ver
++*.vim
+ *.xml
+ *.xz
+ *_MODULES
++*_reg_safe.h
+ *_vga16.c
+ *~
+ \#*#
+ *.9
+-.*
++.[^g]*
++.gen*
+ .*.d
+ .mm
+ 53c700_d.h
+@@ -69,6 +75,7 @@ Image
+ Module.markers
+ Module.symvers
+ PENDING
++PERF*
+ SCCS
+ System.map*
+ TAGS
+@@ -80,6 +87,7 @@ aic7*seq.h*
+ aicasm
+ aicdb.h*
+ altivec*.c
++ashldi3.S
+ asm-offsets.h
+ asm_offsets.h
+ autoconf.h*
+@@ -92,19 +100,24 @@ bounds.h
+ bsetup
+ btfixupprep
+ build
++builtin-policy.h
+ bvmlinux
+ bzImage*
+ capability_names.h
+ capflags.c
+ classlist.h*
++clut_vga16.c
++common-cmds.h
+ comp*.log
+ compile.h*
+ conf
+ config
+ config-*
+ config_data.h*
++config.c
+ config.mak
+ config.mak.autogen
++config.tmp
+ conmakehash
+ consolemap_deftbl.c*
+ cpustr.h
+@@ -115,9 +128,11 @@ devlist.h*
+ dnotify_test
+ docproc
+ dslm
++dtc-lexer.lex.c
+ elf2ecoff
+ elfconfig.h*
+ evergreen_reg_safe.h
++exception_policy.conf
+ fixdep
+ flask.h
+ fore200e_mkfirm
+@@ -125,12 +140,15 @@ fore200e_pca_fw.c*
+ gconf
+ gconf.glade.h
+ gen-devlist
++gen-kdb_cmds.c
+ gen_crc32table
+ gen_init_cpio
+ generated
+ genheaders
+ genksyms
+ *_gray256.c
++hash
++hid-example
+ hpet_example
+ hugepage-mmap
+ hugepage-shm
+@@ -145,14 +163,14 @@ int32.c
+ int4.c
+ int8.c
+ kallsyms
+-kconfig
++kern_constants.h
+ keywords.c
+ ksym.c*
+ ksym.h*
+ kxgettext
+ lex.c
+ lex.*.c
+-linux
++lib1funcs.S
+ logo_*.c
+ logo_*_clut224.c
+ logo_*_mono.c
+@@ -163,14 +181,15 @@ machtypes.h
+ map
+ map_hugetlb
+ maui_boot.h
+-media
+ mconf
++mdp
+ miboot*
+ mk_elfconfig
+ mkboot
+ mkbugboot
+ mkcpustr
+ mkdep
++mkpiggy
+ mkprep
+ mkregtable
+ mktables
+@@ -187,6 +206,8 @@ oui.c*
+ page-types
+ parse.c
+ parse.h
++parse-events*
++pasyms.h
+ patches*
+ pca200e.bin
+ pca200e_ecd.bin2
+@@ -196,6 +217,7 @@ perf-archive
+ piggyback
+ piggy.gzip
+ piggy.S
++pmu-*
+ pnmtologo
+ ppc_defs.h*
+ pss_boot.h
+@@ -205,7 +227,10 @@ r200_reg_safe.h
+ r300_reg_safe.h
+ r420_reg_safe.h
+ r600_reg_safe.h
++realmode.lds
++realmode.relocs
+ recordmcount
++regdb.c
+ relocs
+ rlim_names.h
+ rn50_reg_safe.h
+@@ -215,8 +240,11 @@ series
+ setup
+ setup.bin
+ setup.elf
++size_overflow_hash.h
+ sImage
++slabinfo
+ sm_tbl*
++sortextable
+ split-include
+ syscalltab.h
+ tables.c
+@@ -226,6 +254,7 @@ tftpboot.img
+ timeconst.h
+ times.h*
+ trix_boot.h
++user_constants.h
+ utsrelease.h*
+ vdso-syms.lds
+ vdso.lds
+@@ -237,13 +266,17 @@ vdso32.lds
+ vdso32.so.dbg
+ vdso64.lds
+ vdso64.so.dbg
++vdsox32.lds
++vdsox32-syms.lds
+ version.h*
+ vmImage
+ vmlinux
+ vmlinux-*
+ vmlinux.aout
+ vmlinux.bin.all
++vmlinux.bin.bz2
+ vmlinux.lds
++vmlinux.relocs
+ vmlinuz
+ voffset.h
+ vsyscall.lds
+@@ -251,9 +284,11 @@ vsyscall_32.lds
+ wanxlfw.inc
+ uImage
+ unifdef
++utsrelease.h
+ wakeup.bin
+ wakeup.elf
+ wakeup.lds
+ zImage*
+ zconf.hash.c
++zconf.lex.c
+ zoffset.h
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
+index ad7e2e5..199f49e 100644
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -905,6 +905,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ gpt [EFI] Forces disk with valid GPT signature but
+ invalid Protective MBR to be treated as GPT.
+
++ grsec_proc_gid= [GRKERNSEC_PROC_USERGROUP] Chooses GID to
++ ignore grsecurity's /proc restrictions
++
+ hashdist= [KNL,NUMA] Large hashes allocated during boot
+ are distributed across NUMA nodes. Defaults on
+ for 64-bit NUMA, off otherwise.
+@@ -2050,6 +2053,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ the specified number of seconds. This is to be used if
+ your oopses keep scrolling off the screen.
+
++ pax_nouderef [X86] disables UDEREF. Most likely needed under certain
++ virtualization environments that don't cope well with the
++ expand down segment used by UDEREF on X86-32 or the frequent
++ page table updates on X86-64.
++
++ pax_softmode= 0/1 to disable/enable PaX softmode on boot already.
++
+ pcbit= [HW,ISDN]
+
+ pcd. [PARIDE]
+diff --git a/Makefile b/Makefile
+index 471b83c..a290aa2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -241,8 +241,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+
+ HOSTCC = gcc
+ HOSTCXX = g++
+-HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer
+-HOSTCXXFLAGS = -O2
++HOSTCFLAGS = -Wall -W -Wmissing-prototypes -Wstrict-prototypes -Wno-unused-parameter -Wno-missing-field-initializers -O2 -fomit-frame-pointer -fno-delete-null-pointer-checks
++HOSTCLFAGS += $(call cc-option, -Wno-empty-body)
++HOSTCXXFLAGS = -O2 -Wall -W -fno-delete-null-pointer-checks
+
+ # Decide whether to build built-in, modular, or both.
+ # Normally, just do built-in.
+@@ -404,8 +405,8 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
+ # Rules shared between *config targets and build targets
+
+ # Basic helpers built in scripts/
+-PHONY += scripts_basic
+-scripts_basic:
++PHONY += scripts_basic gcc-plugins
++scripts_basic: gcc-plugins
+ $(Q)$(MAKE) $(build)=scripts/basic
+ $(Q)rm -f .tmp_quiet_recordmcount
+
+@@ -561,6 +562,60 @@ else
+ KBUILD_CFLAGS += -O2
+ endif
+
++ifndef DISABLE_PAX_PLUGINS
++PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)")
++ifneq ($(PLUGINCC),)
++ifndef DISABLE_PAX_CONSTIFY_PLUGIN
++ifndef CONFIG_UML
++CONSTIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/constify_plugin.so -DCONSTIFY_PLUGIN
++endif
++endif
++ifdef CONFIG_PAX_MEMORY_STACKLEAK
++STACKLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/stackleak_plugin.so -DSTACKLEAK_PLUGIN
++STACKLEAK_PLUGIN_CFLAGS += -fplugin-arg-stackleak_plugin-track-lowest-sp=100
++endif
++ifdef CONFIG_KALLOCSTAT_PLUGIN
++KALLOCSTAT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kallocstat_plugin.so
++endif
++ifdef CONFIG_PAX_KERNEXEC_PLUGIN
++KERNEXEC_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kernexec_plugin.so
++KERNEXEC_PLUGIN_CFLAGS += -fplugin-arg-kernexec_plugin-method=$(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD) -DKERNEXEC_PLUGIN
++KERNEXEC_PLUGIN_AFLAGS := -DKERNEXEC_PLUGIN
++endif
++ifdef CONFIG_CHECKER_PLUGIN
++ifeq ($(call cc-ifversion, -ge, 0406, y), y)
++CHECKER_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/checker_plugin.so -DCHECKER_PLUGIN
++endif
++endif
++COLORIZE_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/colorize_plugin.so
++ifdef CONFIG_PAX_SIZE_OVERFLOW
++SIZE_OVERFLOW_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/size_overflow_plugin.so -DSIZE_OVERFLOW_PLUGIN
++endif
++ifdef CONFIG_PAX_LATENT_ENTROPY
++LATENT_ENTROPY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/latent_entropy_plugin.so -DLATENT_ENTROPY_PLUGIN
++endif
++GCC_PLUGINS_CFLAGS := $(CONSTIFY_PLUGIN_CFLAGS) $(STACKLEAK_PLUGIN_CFLAGS) $(KALLOCSTAT_PLUGIN_CFLAGS)
++GCC_PLUGINS_CFLAGS += $(KERNEXEC_PLUGIN_CFLAGS) $(CHECKER_PLUGIN_CFLAGS) $(COLORIZE_PLUGIN_CFLAGS)
++GCC_PLUGINS_CFLAGS += $(SIZE_OVERFLOW_PLUGIN_CFLAGS) $(LATENT_ENTROPY_PLUGIN_CFLAGS)
++GCC_PLUGINS_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS)
++export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN
++ifeq ($(KBUILD_EXTMOD),)
++gcc-plugins:
++ $(Q)$(MAKE) $(build)=tools/gcc
++else
++gcc-plugins: ;
++endif
++else
++gcc-plugins:
++ifeq ($(call cc-ifversion, -ge, 0405, y), y)
++ $(error Your gcc installation does not support plugins. If the necessary headers for plugin support are missing, they should be installed. On Debian, apt-get install gcc-<ver>-plugin-dev. If you choose to ignore this error and lessen the improvements provided by this patch, re-run make with the DISABLE_PAX_PLUGINS=y argument.))
++else
++ $(Q)echo "warning, your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least"
++endif
++ $(Q)echo "PAX_MEMORY_STACKLEAK and other features will be less secure"
++endif
++endif
++
+ include $(srctree)/arch/$(SRCARCH)/Makefile
+
+ ifdef CONFIG_READABLE_ASM
+@@ -715,7 +770,7 @@ export mod_strip_cmd
+
+
+ ifeq ($(KBUILD_EXTMOD),)
+-core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
++core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/
+
+ vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
+ $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
+@@ -762,6 +817,8 @@ endif
+
+ # The actual objects are generated when descending,
+ # make sure no implicit rule kicks in
++$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
+ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
+
+ # Handle descending into subdirectories listed in $(vmlinux-dirs)
+@@ -771,7 +828,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
+ # Error messages still appears in the original language
+
+ PHONY += $(vmlinux-dirs)
+-$(vmlinux-dirs): prepare scripts
++$(vmlinux-dirs): gcc-plugins prepare scripts
+ $(Q)$(MAKE) $(build)=$@
+
+ # Store (new) KERNELRELASE string in include/config/kernel.release
+@@ -815,6 +872,7 @@ prepare0: archprepare FORCE
+ $(Q)$(MAKE) $(build)=.
+
+ # All the preparing..
++prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
+ prepare: prepare0
+
+ # Generate some files
+@@ -922,6 +980,8 @@ all: modules
+ # using awk while concatenating to the final file.
+
+ PHONY += modules
++modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
+ modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
+ $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
+ @$(kecho) ' Building modules, stage 2.';
+@@ -937,7 +997,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
+
+ # Target to prepare building external modules
+ PHONY += modules_prepare
+-modules_prepare: prepare scripts
++modules_prepare: gcc-plugins prepare scripts
+
+ # Target to install modules
+ PHONY += modules_install
+@@ -994,7 +1054,7 @@ CLEAN_DIRS += $(MODVERDIR)
+ MRPROPER_DIRS += include/config usr/include include/generated \
+ arch/*/include/generated
+ MRPROPER_FILES += .config .config.old .version .old_version \
+- include/linux/version.h \
++ include/linux/version.h tools/gcc/size_overflow_hash.h\
+ Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
+
+ # clean - Delete most, but leave enough to build external modules
+@@ -1032,6 +1092,7 @@ distclean: mrproper
+ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
+ -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
+ -o -name '.*.rej' \
++ -o -name '.*.rej' -o -name '*.so' \
+ -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
+ -type f -print | xargs rm -f
+
+@@ -1192,6 +1253,8 @@ PHONY += $(module-dirs) modules
+ $(module-dirs): crmodverdir $(objtree)/Module.symvers
+ $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
+
++modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
+ modules: $(module-dirs)
+ @$(kecho) ' Building modules, stage 2.';
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
+@@ -1326,17 +1389,21 @@ else
+ target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
+ endif
+
+-%.s: %.c prepare scripts FORCE
++%.s: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++%.s: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
++%.s: %.c gcc-plugins prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+ %.i: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+-%.o: %.c prepare scripts FORCE
++%.o: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++%.o: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
++%.o: %.c gcc-plugins prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+ %.lst: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+-%.s: %.S prepare scripts FORCE
++%.s: %.S gcc-plugins prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+-%.o: %.S prepare scripts FORCE
++%.o: %.S gcc-plugins prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+ %.symtypes: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+@@ -1346,11 +1413,15 @@ endif
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir)
+-%/: prepare scripts FORCE
++%/: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++%/: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
++%/: gcc-plugins prepare scripts FORCE
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir)
+-%.ko: prepare scripts FORCE
++%.ko: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
++%.ko: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
++%.ko: gcc-plugins prepare scripts FORCE
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir) $(@:.ko=.o)
+diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
+index c2cbe4f..f7264b4 100644
+--- a/arch/alpha/include/asm/atomic.h
++++ b/arch/alpha/include/asm/atomic.h
+@@ -250,6 +250,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
+ #define atomic_dec(v) atomic_sub(1,(v))
+ #define atomic64_dec(v) atomic64_sub(1,(v))
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #define smp_mb__before_atomic_dec() smp_mb()
+ #define smp_mb__after_atomic_dec() smp_mb()
+ #define smp_mb__before_atomic_inc() smp_mb()
+diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
+index ad368a9..fbe0f25 100644
+--- a/arch/alpha/include/asm/cache.h
++++ b/arch/alpha/include/asm/cache.h
+@@ -4,19 +4,19 @@
+ #ifndef __ARCH_ALPHA_CACHE_H
+ #define __ARCH_ALPHA_CACHE_H
+
++#include <linux/const.h>
+
+ /* Bytes per L1 (data) cache line. */
+ #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
+-# define L1_CACHE_BYTES 64
+ # define L1_CACHE_SHIFT 6
+ #else
+ /* Both EV4 and EV5 are write-through, read-allocate,
+ direct-mapped, physical.
+ */
+-# define L1_CACHE_BYTES 32
+ # define L1_CACHE_SHIFT 5
+ #endif
+
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+ #endif
+diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h
+index 968d999..d36b2df 100644
+--- a/arch/alpha/include/asm/elf.h
++++ b/arch/alpha/include/asm/elf.h
+@@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+ #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL)
++
++#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28)
++#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19)
++#endif
++
+ /* $0 is set by ld.so to a pointer to a function which might be
+ registered using atexit. This provides a mean for the dynamic
+ linker to call DT_FINI functions for shared libraries that have
+diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
+index bc2a0da..8ad11ee 100644
+--- a/arch/alpha/include/asm/pgalloc.h
++++ b/arch/alpha/include/asm/pgalloc.h
+@@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
+ pgd_set(pgd, pmd);
+ }
+
++static inline void
++pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
++{
++ pgd_populate(mm, pgd, pmd);
++}
++
+ extern pgd_t *pgd_alloc(struct mm_struct *mm);
+
+ static inline void
+diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
+index 81a4342..348b927 100644
+--- a/arch/alpha/include/asm/pgtable.h
++++ b/arch/alpha/include/asm/pgtable.h
+@@ -102,6 +102,17 @@ struct vm_area_struct;
+ #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS)
+ #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
+ #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
++
++#ifdef CONFIG_PAX_PAGEEXEC
++# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE)
++# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
++# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
++#else
++# define PAGE_SHARED_NOEXEC PAGE_SHARED
++# define PAGE_COPY_NOEXEC PAGE_COPY
++# define PAGE_READONLY_NOEXEC PAGE_READONLY
++#endif
++
+ #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE)
+
+ #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x))
+diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
+index 2fd00b7..cfd5069 100644
+--- a/arch/alpha/kernel/module.c
++++ b/arch/alpha/kernel/module.c
+@@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab,
+
+ /* The small sections were sorted to the end of the segment.
+ The following should definitely cover them. */
+- gp = (u64)me->module_core + me->core_size - 0x8000;
++ gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000;
+ got = sechdrs[me->arch.gotsecindex].sh_addr;
+
+ for (i = 0; i < n; i++) {
+diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
+index bc1acdd..a922a6d 100644
+--- a/arch/alpha/kernel/osf_sys.c
++++ b/arch/alpha/kernel/osf_sys.c
+@@ -1312,7 +1312,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
+ /* At this point: (!vma || addr < vma->vm_end). */
+ if (limit - len < addr)
+ return -ENOMEM;
+- if (!vma || addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ return addr;
+ addr = vma->vm_end;
+ vma = vma->vm_next;
+@@ -1348,6 +1348,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ merely specific addresses, but regions of memory -- perhaps
+ this feature should be incorporated into all ports? */
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit);
+ if (addr != (unsigned long) -ENOMEM)
+@@ -1355,8 +1359,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ }
+
+ /* Next, try allocating at TASK_UNMAPPED_BASE. */
+- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE),
+- len, limit);
++ addr = arch_get_unmapped_area_1 (PAGE_ALIGN(current->mm->mmap_base), len, limit);
++
+ if (addr != (unsigned long) -ENOMEM)
+ return addr;
+
+diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
+index 0c4132d..88f0d53 100644
+--- a/arch/alpha/mm/fault.c
++++ b/arch/alpha/mm/fault.c
+@@ -53,6 +53,124 @@ __load_new_mm_context(struct mm_struct *next_mm)
+ __reload_thread(pcb);
+ }
+
++#ifdef CONFIG_PAX_PAGEEXEC
++/*
++ * PaX: decide what to do with offenders (regs->pc = fault address)
++ *
++ * returns 1 when task should be killed
++ * 2 when patched PLT trampoline was detected
++ * 3 when unpatched PLT trampoline was detected
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++
++#ifdef CONFIG_PAX_EMUPLT
++ int err;
++
++ do { /* PaX: patched PLT emulation #1 */
++ unsigned int ldah, ldq, jmp;
++
++ err = get_user(ldah, (unsigned int *)regs->pc);
++ err |= get_user(ldq, (unsigned int *)(regs->pc+4));
++ err |= get_user(jmp, (unsigned int *)(regs->pc+8));
++
++ if (err)
++ break;
++
++ if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
++ (ldq & 0xFFFF0000U) == 0xA77B0000U &&
++ jmp == 0x6BFB0000U)
++ {
++ unsigned long r27, addr;
++ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
++ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL;
++
++ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
++ err = get_user(r27, (unsigned long *)addr);
++ if (err)
++ break;
++
++ regs->r27 = r27;
++ regs->pc = r27;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #2 */
++ unsigned int ldah, lda, br;
++
++ err = get_user(ldah, (unsigned int *)regs->pc);
++ err |= get_user(lda, (unsigned int *)(regs->pc+4));
++ err |= get_user(br, (unsigned int *)(regs->pc+8));
++
++ if (err)
++ break;
++
++ if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
++ (lda & 0xFFFF0000U) == 0xA77B0000U &&
++ (br & 0xFFE00000U) == 0xC3E00000U)
++ {
++ unsigned long addr = br | 0xFFFFFFFFFFE00000UL;
++ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
++ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL;
++
++ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
++ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: unpatched PLT emulation */
++ unsigned int br;
++
++ err = get_user(br, (unsigned int *)regs->pc);
++
++ if (!err && (br & 0xFFE00000U) == 0xC3800000U) {
++ unsigned int br2, ldq, nop, jmp;
++ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver;
++
++ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
++ err = get_user(br2, (unsigned int *)addr);
++ err |= get_user(ldq, (unsigned int *)(addr+4));
++ err |= get_user(nop, (unsigned int *)(addr+8));
++ err |= get_user(jmp, (unsigned int *)(addr+12));
++ err |= get_user(resolver, (unsigned long *)(addr+16));
++
++ if (err)
++ break;
++
++ if (br2 == 0xC3600000U &&
++ ldq == 0xA77B000CU &&
++ nop == 0x47FF041FU &&
++ jmp == 0x6B7B0000U)
++ {
++ regs->r28 = regs->pc+4;
++ regs->r27 = addr+16;
++ regs->pc = resolver;
++ return 3;
++ }
++ }
++ } while (0);
++#endif
++
++ return 1;
++}
++
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 5; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
+
+ /*
+ * This routine handles page faults. It determines the address,
+@@ -133,8 +251,29 @@ retry:
+ good_area:
+ si_code = SEGV_ACCERR;
+ if (cause < 0) {
+- if (!(vma->vm_flags & VM_EXEC))
++ if (!(vma->vm_flags & VM_EXEC)) {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc)
++ goto bad_area;
++
++ up_read(&mm->mmap_sem);
++ switch (pax_handle_fetch_fault(regs)) {
++
++#ifdef CONFIG_PAX_EMUPLT
++ case 2:
++ case 3:
++ return;
++#endif
++
++ }
++ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp());
++ do_group_exit(SIGKILL);
++#else
+ goto bad_area;
++#endif
++
++ }
+ } else if (!cause) {
+ /* Allow reads even for write-only mappings */
+ if (!(vma->vm_flags & (VM_READ | VM_WRITE)))
+diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
+index c79f61f..9ac0642 100644
+--- a/arch/arm/include/asm/atomic.h
++++ b/arch/arm/include/asm/atomic.h
+@@ -17,17 +17,35 @@
+ #include <asm/barrier.h>
+ #include <asm/cmpxchg.h>
+
++#ifdef CONFIG_GENERIC_ATOMIC64
++#include <asm-generic/atomic64.h>
++#endif
++
+ #define ATOMIC_INIT(i) { (i) }
+
+ #ifdef __KERNEL__
+
++#define _ASM_EXTABLE(from, to) \
++" .pushsection __ex_table,\"a\"\n"\
++" .align 3\n" \
++" .long " #from ", " #to"\n" \
++" .popsection"
++
+ /*
+ * On ARM, ordinary assignment (str instruction) doesn't clear the local
+ * strex/ldrex monitor on some implementations. The reason we can use it for
+ * atomic_set() is the clrex or dummy strex done on every exception return.
+ */
+ #define atomic_read(v) (*(volatile int *)&(v)->counter)
++static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
++{
++ return v->counter;
++}
+ #define atomic_set(v,i) (((v)->counter) = (i))
++static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
++{
++ v->counter = i;
++}
+
+ #if __LINUX_ARM_ARCH__ >= 6
+
+@@ -42,6 +60,35 @@ static inline void atomic_add(int i, atomic_t *v)
+ int result;
+
+ __asm__ __volatile__("@ atomic_add\n"
++"1: ldrex %1, [%3]\n"
++" adds %0, %1, %4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strex %1, %0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "Ir" (i)
++ : "cc");
++}
++
++static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
++{
++ unsigned long tmp;
++ int result;
++
++ __asm__ __volatile__("@ atomic_add_unchecked\n"
+ "1: ldrex %0, [%3]\n"
+ " add %0, %0, %4\n"
+ " strex %1, %0, [%3]\n"
+@@ -60,6 +107,42 @@ static inline int atomic_add_return(int i, atomic_t *v)
+ smp_mb();
+
+ __asm__ __volatile__("@ atomic_add_return\n"
++"1: ldrex %1, [%3]\n"
++" adds %0, %1, %4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++" mov %0, %1\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strex %1, %0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "Ir" (i)
++ : "cc");
++
++ smp_mb();
++
++ return result;
++}
++
++static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
++{
++ unsigned long tmp;
++ int result;
++
++ smp_mb();
++
++ __asm__ __volatile__("@ atomic_add_return_unchecked\n"
+ "1: ldrex %0, [%3]\n"
+ " add %0, %0, %4\n"
+ " strex %1, %0, [%3]\n"
+@@ -80,6 +163,35 @@ static inline void atomic_sub(int i, atomic_t *v)
+ int result;
+
+ __asm__ __volatile__("@ atomic_sub\n"
++"1: ldrex %1, [%3]\n"
++" subs %0, %1, %4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strex %1, %0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "Ir" (i)
++ : "cc");
++}
++
++static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
++{
++ unsigned long tmp;
++ int result;
++
++ __asm__ __volatile__("@ atomic_sub_unchecked\n"
+ "1: ldrex %0, [%3]\n"
+ " sub %0, %0, %4\n"
+ " strex %1, %0, [%3]\n"
+@@ -98,11 +210,25 @@ static inline int atomic_sub_return(int i, atomic_t *v)
+ smp_mb();
+
+ __asm__ __volatile__("@ atomic_sub_return\n"
+-"1: ldrex %0, [%3]\n"
+-" sub %0, %0, %4\n"
++"1: ldrex %1, [%3]\n"
++" subs %0, %1, %4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++" mov %0, %1\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
+ " strex %1, %0, [%3]\n"
+ " teq %1, #0\n"
+ " bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
+ : "r" (&v->counter), "Ir" (i)
+ : "cc");
+@@ -134,6 +260,28 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
+ return oldval;
+ }
+
++static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new)
++{
++ unsigned long oldval, res;
++
++ smp_mb();
++
++ do {
++ __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n"
++ "ldrex %1, [%3]\n"
++ "mov %0, #0\n"
++ "teq %1, %4\n"
++ "strexeq %0, %5, [%3]\n"
++ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
++ : "r" (&ptr->counter), "Ir" (old), "r" (new)
++ : "cc");
++ } while (res);
++
++ smp_mb();
++
++ return oldval;
++}
++
+ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
+ {
+ unsigned long tmp, tmp2;
+@@ -167,7 +315,17 @@ static inline int atomic_add_return(int i, atomic_t *v)
+
+ return val;
+ }
++
++static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
++{
++ return atomic_add_return(i, v);
++}
++
+ #define atomic_add(i, v) (void) atomic_add_return(i, v)
++static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
++{
++ (void) atomic_add_return(i, v);
++}
+
+ static inline int atomic_sub_return(int i, atomic_t *v)
+ {
+@@ -182,6 +340,10 @@ static inline int atomic_sub_return(int i, atomic_t *v)
+ return val;
+ }
+ #define atomic_sub(i, v) (void) atomic_sub_return(i, v)
++static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
++{
++ (void) atomic_sub_return(i, v);
++}
+
+ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+ {
+@@ -197,6 +359,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+ return ret;
+ }
+
++static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
++{
++ return atomic_cmpxchg(v, old, new);
++}
++
+ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
+ {
+ unsigned long flags;
+@@ -209,6 +376,10 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
+ #endif /* __LINUX_ARM_ARCH__ */
+
+ #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
++static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
++{
++ return xchg(&v->counter, new);
++}
+
+ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ {
+@@ -221,11 +392,27 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ }
+
+ #define atomic_inc(v) atomic_add(1, v)
++static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
++{
++ atomic_add_unchecked(1, v);
++}
+ #define atomic_dec(v) atomic_sub(1, v)
++static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
++{
++ atomic_sub_unchecked(1, v);
++}
+
+ #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
++static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
++{
++ return atomic_add_return_unchecked(1, v) == 0;
++}
+ #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
+ #define atomic_inc_return(v) (atomic_add_return(1, v))
++static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
++{
++ return atomic_add_return_unchecked(1, v);
++}
+ #define atomic_dec_return(v) (atomic_sub_return(1, v))
+ #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
+
+@@ -241,6 +428,14 @@ typedef struct {
+ u64 __aligned(8) counter;
+ } atomic64_t;
+
++#ifdef CONFIG_PAX_REFCOUNT
++typedef struct {
++ u64 __aligned(8) counter;
++} atomic64_unchecked_t;
++#else
++typedef atomic64_t atomic64_unchecked_t;
++#endif
++
+ #define ATOMIC64_INIT(i) { (i) }
+
+ static inline u64 atomic64_read(const atomic64_t *v)
+@@ -256,6 +451,19 @@ static inline u64 atomic64_read(const atomic64_t *v)
+ return result;
+ }
+
++static inline u64 atomic64_read_unchecked(atomic64_unchecked_t *v)
++{
++ u64 result;
++
++ __asm__ __volatile__("@ atomic64_read_unchecked\n"
++" ldrexd %0, %H0, [%1]"
++ : "=&r" (result)
++ : "r" (&v->counter), "Qo" (v->counter)
++ );
++
++ return result;
++}
++
+ static inline void atomic64_set(atomic64_t *v, u64 i)
+ {
+ u64 tmp;
+@@ -270,6 +478,20 @@ static inline void atomic64_set(atomic64_t *v, u64 i)
+ : "cc");
+ }
+
++static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, u64 i)
++{
++ u64 tmp;
++
++ __asm__ __volatile__("@ atomic64_set_unchecked\n"
++"1: ldrexd %0, %H0, [%2]\n"
++" strexd %0, %3, %H3, [%2]\n"
++" teq %0, #0\n"
++" bne 1b"
++ : "=&r" (tmp), "=Qo" (v->counter)
++ : "r" (&v->counter), "r" (i)
++ : "cc");
++}
++
+ static inline void atomic64_add(u64 i, atomic64_t *v)
+ {
+ u64 result;
+@@ -278,6 +500,36 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
+ __asm__ __volatile__("@ atomic64_add\n"
+ "1: ldrexd %0, %H0, [%3]\n"
+ " adds %0, %0, %4\n"
++" adcs %H0, %H0, %H4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strexd %1, %0, %H0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "r" (i)
++ : "cc");
++}
++
++static inline void atomic64_add_unchecked(u64 i, atomic64_unchecked_t *v)
++{
++ u64 result;
++ unsigned long tmp;
++
++ __asm__ __volatile__("@ atomic64_add_unchecked\n"
++"1: ldrexd %0, %H0, [%3]\n"
++" adds %0, %0, %4\n"
+ " adc %H0, %H0, %H4\n"
+ " strexd %1, %0, %H0, [%3]\n"
+ " teq %1, #0\n"
+@@ -289,12 +541,49 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
+
+ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
+ {
+- u64 result;
+- unsigned long tmp;
++ u64 result, tmp;
+
+ smp_mb();
+
+ __asm__ __volatile__("@ atomic64_add_return\n"
++"1: ldrexd %1, %H1, [%3]\n"
++" adds %0, %1, %4\n"
++" adcs %H0, %H1, %H4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++" mov %0, %1\n"
++" mov %H0, %H1\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strexd %1, %0, %H0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "r" (i)
++ : "cc");
++
++ smp_mb();
++
++ return result;
++}
++
++static inline u64 atomic64_add_return_unchecked(u64 i, atomic64_unchecked_t *v)
++{
++ u64 result;
++ unsigned long tmp;
++
++ smp_mb();
++
++ __asm__ __volatile__("@ atomic64_add_return_unchecked\n"
+ "1: ldrexd %0, %H0, [%3]\n"
+ " adds %0, %0, %4\n"
+ " adc %H0, %H0, %H4\n"
+@@ -318,6 +607,36 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
+ __asm__ __volatile__("@ atomic64_sub\n"
+ "1: ldrexd %0, %H0, [%3]\n"
+ " subs %0, %0, %4\n"
++" sbcs %H0, %H0, %H4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
++" strexd %1, %0, %H0, [%3]\n"
++" teq %1, #0\n"
++" bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
++ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
++ : "r" (&v->counter), "r" (i)
++ : "cc");
++}
++
++static inline void atomic64_sub_unchecked(u64 i, atomic64_unchecked_t *v)
++{
++ u64 result;
++ unsigned long tmp;
++
++ __asm__ __volatile__("@ atomic64_sub_unchecked\n"
++"1: ldrexd %0, %H0, [%3]\n"
++" subs %0, %0, %4\n"
+ " sbc %H0, %H0, %H4\n"
+ " strexd %1, %0, %H0, [%3]\n"
+ " teq %1, #0\n"
+@@ -329,18 +648,32 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
+
+ static inline u64 atomic64_sub_return(u64 i, atomic64_t *v)
+ {
+- u64 result;
+- unsigned long tmp;
++ u64 result, tmp;
+
+ smp_mb();
+
+ __asm__ __volatile__("@ atomic64_sub_return\n"
+-"1: ldrexd %0, %H0, [%3]\n"
+-" subs %0, %0, %4\n"
+-" sbc %H0, %H0, %H4\n"
++"1: ldrexd %1, %H1, [%3]\n"
++" subs %0, %1, %4\n"
++" sbcs %H0, %H1, %H4\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++" mov %0, %1\n"
++" mov %H0, %H1\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
+ " strexd %1, %0, %H0, [%3]\n"
+ " teq %1, #0\n"
+ " bne 1b"
++
++#ifdef CONFIG_PAX_REFCOUNT
++"\n4:\n"
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
+ : "r" (&v->counter), "r" (i)
+ : "cc");
+@@ -374,6 +707,30 @@ static inline u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old, u64 new)
+ return oldval;
+ }
+
++static inline u64 atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, u64 old, u64 new)
++{
++ u64 oldval;
++ unsigned long res;
++
++ smp_mb();
++
++ do {
++ __asm__ __volatile__("@ atomic64_cmpxchg_unchecked\n"
++ "ldrexd %1, %H1, [%3]\n"
++ "mov %0, #0\n"
++ "teq %1, %4\n"
++ "teqeq %H1, %H4\n"
++ "strexdeq %0, %5, %H5, [%3]"
++ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
++ : "r" (&ptr->counter), "r" (old), "r" (new)
++ : "cc");
++ } while (res);
++
++ smp_mb();
++
++ return oldval;
++}
++
+ static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new)
+ {
+ u64 result;
+@@ -397,21 +754,34 @@ static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new)
+
+ static inline u64 atomic64_dec_if_positive(atomic64_t *v)
+ {
+- u64 result;
+- unsigned long tmp;
++ u64 result, tmp;
+
+ smp_mb();
+
+ __asm__ __volatile__("@ atomic64_dec_if_positive\n"
+-"1: ldrexd %0, %H0, [%3]\n"
+-" subs %0, %0, #1\n"
+-" sbc %H0, %H0, #0\n"
++"1: ldrexd %1, %H1, [%3]\n"
++" subs %0, %1, #1\n"
++" sbcs %H0, %H1, #0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++" mov %0, %1\n"
++" mov %H0, %H1\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
+ " teq %H0, #0\n"
+-" bmi 2f\n"
++" bmi 4f\n"
+ " strexd %1, %0, %H0, [%3]\n"
+ " teq %1, #0\n"
+ " bne 1b\n"
+-"2:"
++"4:\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
+ : "r" (&v->counter)
+ : "cc");
+@@ -434,13 +804,25 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
+ " teq %0, %5\n"
+ " teqeq %H0, %H5\n"
+ " moveq %1, #0\n"
+-" beq 2f\n"
++" beq 4f\n"
+ " adds %0, %0, %6\n"
+-" adc %H0, %H0, %H6\n"
++" adcs %H0, %H0, %H6\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" bvc 3f\n"
++"2: bkpt 0xf103\n"
++"3:\n"
++#endif
++
+ " strexd %2, %0, %H0, [%4]\n"
+ " teq %2, #0\n"
+ " bne 1b\n"
+-"2:"
++"4:\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ _ASM_EXTABLE(2b, 4b)
++#endif
++
+ : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter)
+ : "r" (&v->counter), "r" (u), "r" (a)
+ : "cc");
+@@ -453,10 +835,13 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
+
+ #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
+ #define atomic64_inc(v) atomic64_add(1LL, (v))
++#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v))
+ #define atomic64_inc_return(v) atomic64_add_return(1LL, (v))
++#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1LL, (v))
+ #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
+ #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0)
+ #define atomic64_dec(v) atomic64_sub(1LL, (v))
++#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v))
+ #define atomic64_dec_return(v) atomic64_sub_return(1LL, (v))
+ #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
+diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
+index 75fe66b..2255c86 100644
+--- a/arch/arm/include/asm/cache.h
++++ b/arch/arm/include/asm/cache.h
+@@ -4,8 +4,10 @@
+ #ifndef __ASMARM_CACHE_H
+ #define __ASMARM_CACHE_H
+
++#include <linux/const.h>
++
+ #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ /*
+ * Memory returned by kmalloc() may be used for DMA, so we must make
+diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
+index e4448e1..7bc86b7 100644
+--- a/arch/arm/include/asm/cacheflush.h
++++ b/arch/arm/include/asm/cacheflush.h
+@@ -108,7 +108,7 @@ struct cpu_cache_fns {
+ void (*dma_unmap_area)(const void *, size_t, int);
+
+ void (*dma_flush_range)(const void *, const void *);
+-};
++} __no_const;
+
+ /*
+ * Select the calling method
+diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
+index 7eb18c1..e38b6d2 100644
+--- a/arch/arm/include/asm/cmpxchg.h
++++ b/arch/arm/include/asm/cmpxchg.h
+@@ -102,6 +102,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
+
+ #define xchg(ptr,x) \
+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
++#define xchg_unchecked(ptr,x) \
++ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+
+ #include <asm-generic/cmpxchg-local.h>
+
+diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
+index 38050b1..9d90e8b 100644
+--- a/arch/arm/include/asm/elf.h
++++ b/arch/arm/include/asm/elf.h
+@@ -116,7 +116,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+-#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
++#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
++
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE 0x00008000UL
++
++#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
++#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
++#endif
+
+ /* When the program starts, a1 contains a pointer to a function to be
+ registered with atexit, as per the SVR4 ABI. A value of 0 means we
+@@ -126,8 +133,4 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
+ extern void elf_set_personality(const struct elf32_hdr *);
+ #define SET_PERSONALITY(ex) elf_set_personality(&(ex))
+
+-struct mm_struct;
+-extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+-#define arch_randomize_brk arch_randomize_brk
+-
+ #endif
+diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
+index 83eb2f7..ed77159 100644
+--- a/arch/arm/include/asm/kmap_types.h
++++ b/arch/arm/include/asm/kmap_types.h
+@@ -4,6 +4,6 @@
+ /*
+ * This is the "bare minimum". AIO seems to require this.
+ */
+-#define KM_TYPE_NR 16
++#define KM_TYPE_NR 17
+
+ #endif
+diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
+index 53426c6..c7baff3 100644
+--- a/arch/arm/include/asm/outercache.h
++++ b/arch/arm/include/asm/outercache.h
+@@ -35,7 +35,7 @@ struct outer_cache_fns {
+ #endif
+ void (*set_debug)(unsigned long);
+ void (*resume)(void);
+-};
++} __no_const;
+
+ #ifdef CONFIG_OUTER_CACHE
+
+diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
+index ecf9019..b71d9a1 100644
+--- a/arch/arm/include/asm/page.h
++++ b/arch/arm/include/asm/page.h
+@@ -114,7 +114,7 @@ struct cpu_user_fns {
+ void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
+ void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
+ unsigned long vaddr, struct vm_area_struct *vma);
+-};
++} __no_const;
+
+ #ifdef MULTI_USER
+ extern struct cpu_user_fns cpu_user;
+diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
+index 943504f..bf8d667 100644
+--- a/arch/arm/include/asm/pgalloc.h
++++ b/arch/arm/include/asm/pgalloc.h
+@@ -43,6 +43,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE));
+ }
+
++static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
++{
++ pud_populate(mm, pud, pmd);
++}
++
+ #else /* !CONFIG_ARM_LPAE */
+
+ /*
+@@ -51,6 +56,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); })
+ #define pmd_free(mm, pmd) do { } while (0)
+ #define pud_populate(mm,pmd,pte) BUG()
++#define pud_populate_kernel(mm,pmd,pte) BUG()
+
+ #endif /* CONFIG_ARM_LPAE */
+
+diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
+index af7b0bd..6750a8c 100644
+--- a/arch/arm/include/asm/thread_info.h
++++ b/arch/arm/include/asm/thread_info.h
+@@ -148,6 +148,12 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
+ #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
+ #define TIF_SYSCALL_TRACE 8
+ #define TIF_SYSCALL_AUDIT 9
++
++/* within 8 bits of TIF_SYSCALL_TRACE
++ to meet flexible second operand requirements
++*/
++#define TIF_GRSEC_SETXID 10
++
+ #define TIF_POLLING_NRFLAG 16
+ #define TIF_USING_IWMMXT 17
+ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */
+@@ -163,9 +169,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
+ #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
+ #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT)
+ #define _TIF_SECCOMP (1 << TIF_SECCOMP)
++#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
+
+ /* Checks for any syscall work in entry-common.S */
+-#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
++#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
++ _TIF_GRSEC_SETXID)
+
+ /*
+ * Change these and you break ASM code in entry-common.S
+diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
+index 77bd79f..ad4cd27 100644
+--- a/arch/arm/include/asm/uaccess.h
++++ b/arch/arm/include/asm/uaccess.h
+@@ -22,6 +22,8 @@
+ #define VERIFY_READ 0
+ #define VERIFY_WRITE 1
+
++extern void check_object_size(const void *ptr, unsigned long n, bool to);
++
+ /*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+@@ -418,8 +420,23 @@ do { \
+
+
+ #ifdef CONFIG_MMU
+-extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n);
+-extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n);
++extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n);
++extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n);
++
++static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n)
++{
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++ return ___copy_from_user(to, from, n);
++}
++
++static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n)
++{
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
++ return ___copy_to_user(to, from, n);
++}
++
+ extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n);
+ extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
+ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n);
+@@ -431,6 +448,9 @@ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned l
+
+ static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ if (access_ok(VERIFY_READ, from, n))
+ n = __copy_from_user(to, from, n);
+ else /* security hole - plug it */
+@@ -440,6 +460,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u
+
+ static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ if (access_ok(VERIFY_WRITE, to, n))
+ n = __copy_to_user(to, from, n);
+ return n;
+diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
+index 60d3b73..9168db0 100644
+--- a/arch/arm/kernel/armksyms.c
++++ b/arch/arm/kernel/armksyms.c
+@@ -89,8 +89,8 @@ EXPORT_SYMBOL(__memzero);
+ #ifdef CONFIG_MMU
+ EXPORT_SYMBOL(copy_page);
+
+-EXPORT_SYMBOL(__copy_from_user);
+-EXPORT_SYMBOL(__copy_to_user);
++EXPORT_SYMBOL(___copy_from_user);
++EXPORT_SYMBOL(___copy_to_user);
+ EXPORT_SYMBOL(__clear_user);
+
+ EXPORT_SYMBOL(__get_user_1);
+diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
+index 693b744..e684262 100644
+--- a/arch/arm/kernel/process.c
++++ b/arch/arm/kernel/process.c
+@@ -28,7 +28,6 @@
+ #include <linux/tick.h>
+ #include <linux/utsname.h>
+ #include <linux/uaccess.h>
+-#include <linux/random.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/cpuidle.h>
+
+@@ -256,9 +255,10 @@ void machine_power_off(void)
+ machine_shutdown();
+ if (pm_power_off)
+ pm_power_off();
++ BUG();
+ }
+
+-void machine_restart(char *cmd)
++__noreturn void machine_restart(char *cmd)
+ {
+ machine_shutdown();
+
+@@ -501,12 +501,6 @@ unsigned long get_wchan(struct task_struct *p)
+ return 0;
+ }
+
+-unsigned long arch_randomize_brk(struct mm_struct *mm)
+-{
+- unsigned long range_end = mm->brk + 0x02000000;
+- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
+-}
+-
+ #ifdef CONFIG_MMU
+ /*
+ * The vectors page is always readable from user space for the
+diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
+index 3e0fc5f..a42d2ec 100644
+--- a/arch/arm/kernel/ptrace.c
++++ b/arch/arm/kernel/ptrace.c
+@@ -913,11 +913,20 @@ enum ptrace_syscall_dir {
+ PTRACE_SYSCALL_EXIT,
+ };
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern void gr_delayed_cred_worker(void);
++#endif
++
+ static int ptrace_syscall_trace(struct pt_regs *regs, int scno,
+ enum ptrace_syscall_dir dir)
+ {
+ unsigned long ip;
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ if (!test_thread_flag(TIF_SYSCALL_TRACE))
+ return scno;
+
+diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
+index a81dcec..ac42f0f 100644
+--- a/arch/arm/kernel/setup.c
++++ b/arch/arm/kernel/setup.c
+@@ -112,13 +112,13 @@ struct processor processor __read_mostly;
+ struct cpu_tlb_fns cpu_tlb __read_mostly;
+ #endif
+ #ifdef MULTI_USER
+-struct cpu_user_fns cpu_user __read_mostly;
++struct cpu_user_fns cpu_user __read_only;
+ #endif
+ #ifdef MULTI_CACHE
+-struct cpu_cache_fns cpu_cache __read_mostly;
++struct cpu_cache_fns cpu_cache __read_only;
+ #endif
+ #ifdef CONFIG_OUTER_CACHE
+-struct outer_cache_fns outer_cache __read_mostly;
++struct outer_cache_fns outer_cache __read_only;
+ EXPORT_SYMBOL(outer_cache);
+ #endif
+
+diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
+index b0179b8..b54c6c1 100644
+--- a/arch/arm/kernel/traps.c
++++ b/arch/arm/kernel/traps.c
+@@ -266,6 +266,8 @@ static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED;
+ static int die_owner = -1;
+ static unsigned int die_nest_count;
+
++extern void gr_handle_kernel_exploit(void);
++
+ static unsigned long oops_begin(void)
+ {
+ int cpu;
+@@ -308,6 +310,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
+ panic("Fatal exception in interrupt");
+ if (panic_on_oops)
+ panic("Fatal exception");
++
++ gr_handle_kernel_exploit();
++
+ if (signr)
+ do_exit(signr);
+ }
+diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
+index 66a477a..bee61d3 100644
+--- a/arch/arm/lib/copy_from_user.S
++++ b/arch/arm/lib/copy_from_user.S
+@@ -16,7 +16,7 @@
+ /*
+ * Prototype:
+ *
+- * size_t __copy_from_user(void *to, const void *from, size_t n)
++ * size_t ___copy_from_user(void *to, const void *from, size_t n)
+ *
+ * Purpose:
+ *
+@@ -84,11 +84,11 @@
+
+ .text
+
+-ENTRY(__copy_from_user)
++ENTRY(___copy_from_user)
+
+ #include "copy_template.S"
+
+-ENDPROC(__copy_from_user)
++ENDPROC(___copy_from_user)
+
+ .pushsection .fixup,"ax"
+ .align 0
+diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S
+index 6ee2f67..d1cce76 100644
+--- a/arch/arm/lib/copy_page.S
++++ b/arch/arm/lib/copy_page.S
+@@ -10,6 +10,7 @@
+ * ASM optimised string functions
+ */
+ #include <linux/linkage.h>
++#include <linux/const.h>
+ #include <asm/assembler.h>
+ #include <asm/asm-offsets.h>
+ #include <asm/cache.h>
+diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
+index d066df6..df28194 100644
+--- a/arch/arm/lib/copy_to_user.S
++++ b/arch/arm/lib/copy_to_user.S
+@@ -16,7 +16,7 @@
+ /*
+ * Prototype:
+ *
+- * size_t __copy_to_user(void *to, const void *from, size_t n)
++ * size_t ___copy_to_user(void *to, const void *from, size_t n)
+ *
+ * Purpose:
+ *
+@@ -88,11 +88,11 @@
+ .text
+
+ ENTRY(__copy_to_user_std)
+-WEAK(__copy_to_user)
++WEAK(___copy_to_user)
+
+ #include "copy_template.S"
+
+-ENDPROC(__copy_to_user)
++ENDPROC(___copy_to_user)
+ ENDPROC(__copy_to_user_std)
+
+ .pushsection .fixup,"ax"
+diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
+index 025f742..8432b08 100644
+--- a/arch/arm/lib/uaccess_with_memcpy.c
++++ b/arch/arm/lib/uaccess_with_memcpy.c
+@@ -104,7 +104,7 @@ out:
+ }
+
+ unsigned long
+-__copy_to_user(void __user *to, const void *from, unsigned long n)
++___copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
+ /*
+ * This test is stubbed out of the main function above to keep
+diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
+index 1201191..eabbb2c 100644
+--- a/arch/arm/mach-kirkwood/common.c
++++ b/arch/arm/mach-kirkwood/common.c
+@@ -160,7 +160,7 @@ static void clk_gate_fn_disable(struct clk_hw *hw)
+ clk_gate_ops.disable(hw);
+ }
+
+-static struct clk_ops clk_gate_fn_ops;
++static clk_ops_no_const clk_gate_fn_ops;
+
+ static struct clk __init *clk_register_gate_fn(struct device *dev,
+ const char *name,
+diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
+index 677357f..8828dda 100644
+--- a/arch/arm/mach-omap2/board-n8x0.c
++++ b/arch/arm/mach-omap2/board-n8x0.c
+@@ -593,7 +593,7 @@ static int n8x0_menelaus_late_init(struct device *dev)
+ }
+ #endif
+
+-static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
++static struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = {
+ .late_init = n8x0_menelaus_late_init,
+ };
+
+diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
+index 37afbd1..c22ad7c 100644
+--- a/arch/arm/mach-omap2/omap_hwmod.c
++++ b/arch/arm/mach-omap2/omap_hwmod.c
+@@ -187,10 +187,10 @@ struct omap_hwmod_soc_ops {
+ int (*is_hardreset_asserted)(struct omap_hwmod *oh,
+ struct omap_hwmod_rst_info *ohri);
+ int (*init_clkdm)(struct omap_hwmod *oh);
+-};
++} __no_const;
+
+ /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */
+-static struct omap_hwmod_soc_ops soc_ops;
++static struct omap_hwmod_soc_ops soc_ops __read_only;
+
+ /* omap_hwmod_list contains all registered struct omap_hwmods */
+ static LIST_HEAD(omap_hwmod_list);
+diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
+index c3bd834..e81ef02 100644
+--- a/arch/arm/mm/fault.c
++++ b/arch/arm/mm/fault.c
+@@ -174,6 +174,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
+ }
+ #endif
+
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (fsr & FSR_LNX_PF) {
++ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp);
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ tsk->thread.address = addr;
+ tsk->thread.error_code = fsr;
+ tsk->thread.trap_no = 14;
+@@ -397,6 +404,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
+ }
+ #endif /* CONFIG_MMU */
+
++#ifdef CONFIG_PAX_PAGEEXEC
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 20; i++) {
++ unsigned char c;
++ if (get_user(c, (__force unsigned char __user *)pc+i))
++ printk(KERN_CONT "?? ");
++ else
++ printk(KERN_CONT "%02x ", c);
++ }
++ printk("\n");
++
++ printk(KERN_ERR "PAX: bytes at SP-4: ");
++ for (i = -1; i < 20; i++) {
++ unsigned long c;
++ if (get_user(c, (__force unsigned long __user *)sp+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08lx ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ /*
+ * First Level Translation Fault Handler
+ *
+@@ -574,6 +608,20 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
+ const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr);
+ struct siginfo info;
+
++#ifdef CONFIG_PAX_REFCOUNT
++ if (fsr_fs(ifsr) == 2) {
++ unsigned int bkpt;
++
++ if (!probe_kernel_address((unsigned int *)addr, bkpt) && bkpt == 0xe12f1073) {
++ current->thread.error_code = ifsr;
++ current->thread.trap_no = 0;
++ pax_report_refcount_overflow(regs);
++ fixup_exception(regs);
++ return;
++ }
++ }
++#endif
++
+ if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
+ return;
+
+diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
+index ce8cb19..3ec539d 100644
+--- a/arch/arm/mm/mmap.c
++++ b/arch/arm/mm/mmap.c
+@@ -93,6 +93,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ if (len > TASK_SIZE)
+ return -ENOMEM;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ if (do_align)
+ addr = COLOUR_ALIGN(addr, pgoff);
+@@ -100,15 +104,14 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+ if (len > mm->cached_hole_size) {
+- start_addr = addr = mm->free_area_cache;
++ start_addr = addr = mm->free_area_cache;
+ } else {
+- start_addr = addr = mm->mmap_base;
+- mm->cached_hole_size = 0;
++ start_addr = addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
+ }
+
+ full_search:
+@@ -124,14 +127,14 @@ full_search:
+ * Start a new search - just in case we missed
+ * some holes.
+ */
+- if (start_addr != TASK_UNMAPPED_BASE) {
+- start_addr = addr = TASK_UNMAPPED_BASE;
++ if (start_addr != mm->mmap_base) {
++ start_addr = addr = mm->mmap_base;
+ mm->cached_hole_size = 0;
+ goto full_search;
+ }
+ return -ENOMEM;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -266,10 +269,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+
+ if (mmap_is_legacy()) {
+ mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+ mm->mmap_base = mmap_base(random_factor);
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+diff --git a/arch/arm/plat-orion/include/plat/addr-map.h b/arch/arm/plat-orion/include/plat/addr-map.h
+index fd556f7..af2e7d2 100644
+--- a/arch/arm/plat-orion/include/plat/addr-map.h
++++ b/arch/arm/plat-orion/include/plat/addr-map.h
+@@ -26,7 +26,7 @@ struct orion_addr_map_cfg {
+ value in bridge_virt_base */
+ void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
+ const int win);
+-};
++} __no_const;
+
+ /*
+ * Information needed to setup one address mapping.
+diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
+index f5144cd..71f6d1f 100644
+--- a/arch/arm/plat-samsung/include/plat/dma-ops.h
++++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
+@@ -47,7 +47,7 @@ struct samsung_dma_ops {
+ int (*started)(unsigned ch);
+ int (*flush)(unsigned ch);
+ int (*stop)(unsigned ch);
+-};
++} __no_const;
+
+ extern void *samsung_dmadev_get_ops(void);
+ extern void *s3c_dma_get_ops(void);
+diff --git a/arch/arm/plat-samsung/include/plat/ehci.h b/arch/arm/plat-samsung/include/plat/ehci.h
+index 5f28cae..3d23723 100644
+--- a/arch/arm/plat-samsung/include/plat/ehci.h
++++ b/arch/arm/plat-samsung/include/plat/ehci.h
+@@ -14,7 +14,7 @@
+ struct s5p_ehci_platdata {
+ int (*phy_init)(struct platform_device *pdev, int type);
+ int (*phy_exit)(struct platform_device *pdev, int type);
+-};
++} __no_const;
+
+ extern void s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd);
+
+diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h
+index c3a58a1..78fbf54 100644
+--- a/arch/avr32/include/asm/cache.h
++++ b/arch/avr32/include/asm/cache.h
+@@ -1,8 +1,10 @@
+ #ifndef __ASM_AVR32_CACHE_H
+ #define __ASM_AVR32_CACHE_H
+
++#include <linux/const.h>
++
+ #define L1_CACHE_SHIFT 5
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ /*
+ * Memory returned by kmalloc() may be used for DMA, so we must make
+diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h
+index 3b3159b..425ea94 100644
+--- a/arch/avr32/include/asm/elf.h
++++ b/arch/avr32/include/asm/elf.h
+@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t;
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+-#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
++#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE 0x00001000UL
++
++#define PAX_DELTA_MMAP_LEN 15
++#define PAX_DELTA_STACK_LEN 15
++#endif
+
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. This could be done in user space,
+diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h
+index 479330b..53717a8 100644
+--- a/arch/avr32/include/asm/kmap_types.h
++++ b/arch/avr32/include/asm/kmap_types.h
+@@ -2,9 +2,9 @@
+ #define __ASM_AVR32_KMAP_TYPES_H
+
+ #ifdef CONFIG_DEBUG_HIGHMEM
+-# define KM_TYPE_NR 29
++# define KM_TYPE_NR 30
+ #else
+-# define KM_TYPE_NR 14
++# define KM_TYPE_NR 15
+ #endif
+
+ #endif /* __ASM_AVR32_KMAP_TYPES_H */
+diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
+index b92e609..b69c101 100644
+--- a/arch/avr32/mm/fault.c
++++ b/arch/avr32/mm/fault.c
+@@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap)
+
+ int exception_trace = 1;
+
++#ifdef CONFIG_PAX_PAGEEXEC
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 20; i++) {
++ unsigned char c;
++ if (get_user(c, (unsigned char *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%02x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ /*
+ * This routine handles page faults. It determines the address and the
+ * problem, and then passes it off to one of the appropriate routines.
+@@ -173,6 +190,16 @@ bad_area:
+ up_read(&mm->mmap_sem);
+
+ if (user_mode(regs)) {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
++ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) {
++ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp);
++ do_group_exit(SIGKILL);
++ }
++ }
++#endif
++
+ if (exception_trace && printk_ratelimit())
+ printk("%s%s[%d]: segfault at %08lx pc %08lx "
+ "sp %08lx ecr %lu\n",
+diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
+index 568885a..f8008df 100644
+--- a/arch/blackfin/include/asm/cache.h
++++ b/arch/blackfin/include/asm/cache.h
+@@ -7,6 +7,7 @@
+ #ifndef __ARCH_BLACKFIN_CACHE_H
+ #define __ARCH_BLACKFIN_CACHE_H
+
++#include <linux/const.h>
+ #include <linux/linkage.h> /* for asmlinkage */
+
+ /*
+@@ -14,7 +15,7 @@
+ * Blackfin loads 32 bytes for cache
+ */
+ #define L1_CACHE_SHIFT 5
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+ #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h
+index aea2718..3639a60 100644
+--- a/arch/cris/include/arch-v10/arch/cache.h
++++ b/arch/cris/include/arch-v10/arch/cache.h
+@@ -1,8 +1,9 @@
+ #ifndef _ASM_ARCH_CACHE_H
+ #define _ASM_ARCH_CACHE_H
+
++#include <linux/const.h>
+ /* Etrax 100LX have 32-byte cache-lines. */
+-#define L1_CACHE_BYTES 32
+ #define L1_CACHE_SHIFT 5
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #endif /* _ASM_ARCH_CACHE_H */
+diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
+index 7caf25d..ee65ac5 100644
+--- a/arch/cris/include/arch-v32/arch/cache.h
++++ b/arch/cris/include/arch-v32/arch/cache.h
+@@ -1,11 +1,12 @@
+ #ifndef _ASM_CRIS_ARCH_CACHE_H
+ #define _ASM_CRIS_ARCH_CACHE_H
+
++#include <linux/const.h>
+ #include <arch/hwregs/dma.h>
+
+ /* A cache-line is 32 bytes. */
+-#define L1_CACHE_BYTES 32
+ #define L1_CACHE_SHIFT 5
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define __read_mostly __attribute__((__section__(".data..read_mostly")))
+
+diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
+index b86329d..6709906 100644
+--- a/arch/frv/include/asm/atomic.h
++++ b/arch/frv/include/asm/atomic.h
+@@ -186,6 +186,16 @@ static inline void atomic64_dec(atomic64_t *v)
+ #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter))
+ #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter))
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
+ {
+ int c, old;
+diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h
+index 2797163..c2a401d 100644
+--- a/arch/frv/include/asm/cache.h
++++ b/arch/frv/include/asm/cache.h
+@@ -12,10 +12,11 @@
+ #ifndef __ASM_CACHE_H
+ #define __ASM_CACHE_H
+
++#include <linux/const.h>
+
+ /* bytes per L1 cache line */
+ #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT)
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
+ #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
+diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h
+index 43901f2..0d8b865 100644
+--- a/arch/frv/include/asm/kmap_types.h
++++ b/arch/frv/include/asm/kmap_types.h
+@@ -2,6 +2,6 @@
+ #ifndef _ASM_KMAP_TYPES_H
+ #define _ASM_KMAP_TYPES_H
+
+-#define KM_TYPE_NR 17
++#define KM_TYPE_NR 18
+
+ #endif
+diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c
+index 385fd30..6c3d97e 100644
+--- a/arch/frv/mm/elf-fdpic.c
++++ b/arch/frv/mm/elf-fdpic.c
+@@ -73,8 +73,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ if (addr) {
+ addr = PAGE_ALIGN(addr);
+ vma = find_vma(current->mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
+ goto success;
+ }
+
+@@ -89,7 +88,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ for (; vma; vma = vma->vm_next) {
+ if (addr > limit)
+ break;
+- if (addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ goto success;
+ addr = vma->vm_end;
+ }
+@@ -104,7 +103,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ for (; vma; vma = vma->vm_next) {
+ if (addr > limit)
+ break;
+- if (addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ goto success;
+ addr = vma->vm_end;
+ }
+diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h
+index c635028..6d9445a 100644
+--- a/arch/h8300/include/asm/cache.h
++++ b/arch/h8300/include/asm/cache.h
+@@ -1,8 +1,10 @@
+ #ifndef __ARCH_H8300_CACHE_H
+ #define __ARCH_H8300_CACHE_H
+
++#include <linux/const.h>
++
+ /* bytes per L1 cache line */
+-#define L1_CACHE_BYTES 4
++#define L1_CACHE_BYTES _AC(4,UL)
+
+ /* m68k-elf-gcc 2.95.2 doesn't like these */
+
+diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h
+index 0f01de2..d37d309 100644
+--- a/arch/hexagon/include/asm/cache.h
++++ b/arch/hexagon/include/asm/cache.h
+@@ -21,9 +21,11 @@
+ #ifndef __ASM_CACHE_H
+ #define __ASM_CACHE_H
+
++#include <linux/const.h>
++
+ /* Bytes per L1 cache line */
+-#define L1_CACHE_SHIFT (5)
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_SHIFT 5
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define __cacheline_aligned __aligned(L1_CACHE_BYTES)
+ #define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
+diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
+index 6e6fe18..a6ae668 100644
+--- a/arch/ia64/include/asm/atomic.h
++++ b/arch/ia64/include/asm/atomic.h
+@@ -208,6 +208,16 @@ atomic64_add_negative (__s64 i, atomic64_t *v)
+ #define atomic64_inc(v) atomic64_add(1, (v))
+ #define atomic64_dec(v) atomic64_sub(1, (v))
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ /* Atomic operations are already serializing */
+ #define smp_mb__before_atomic_dec() barrier()
+ #define smp_mb__after_atomic_dec() barrier()
+diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h
+index 988254a..e1ee885 100644
+--- a/arch/ia64/include/asm/cache.h
++++ b/arch/ia64/include/asm/cache.h
+@@ -1,6 +1,7 @@
+ #ifndef _ASM_IA64_CACHE_H
+ #define _ASM_IA64_CACHE_H
+
++#include <linux/const.h>
+
+ /*
+ * Copyright (C) 1998-2000 Hewlett-Packard Co
+@@ -9,7 +10,7 @@
+
+ /* Bytes per L1 (data) cache line. */
+ #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #ifdef CONFIG_SMP
+ # define SMP_CACHE_SHIFT L1_CACHE_SHIFT
+diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
+index b5298eb..67c6e62 100644
+--- a/arch/ia64/include/asm/elf.h
++++ b/arch/ia64/include/asm/elf.h
+@@ -42,6 +42,13 @@
+ */
+ #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL)
++
++#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
++#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
++#endif
++
+ #define PT_IA_64_UNWIND 0x70000001
+
+ /* IA-64 relocations: */
+diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
+index 96a8d92..617a1cf 100644
+--- a/arch/ia64/include/asm/pgalloc.h
++++ b/arch/ia64/include/asm/pgalloc.h
+@@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
+ pgd_val(*pgd_entry) = __pa(pud);
+ }
+
++static inline void
++pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
++{
++ pgd_populate(mm, pgd_entry, pud);
++}
++
+ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+ {
+ return quicklist_alloc(0, GFP_KERNEL, NULL);
+@@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
+ pud_val(*pud_entry) = __pa(pmd);
+ }
+
++static inline void
++pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
++{
++ pud_populate(mm, pud_entry, pmd);
++}
++
+ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
+ {
+ return quicklist_alloc(0, GFP_KERNEL, NULL);
+diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
+index 815810c..d60bd4c 100644
+--- a/arch/ia64/include/asm/pgtable.h
++++ b/arch/ia64/include/asm/pgtable.h
+@@ -12,7 +12,7 @@
+ * David Mosberger-Tang <davidm(a)hpl.hp.com>
+ */
+
+-
++#include <linux/const.h>
+ #include <asm/mman.h>
+ #include <asm/page.h>
+ #include <asm/processor.h>
+@@ -142,6 +142,17 @@
+ #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
+ #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
+ #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX)
++
++#ifdef CONFIG_PAX_PAGEEXEC
++# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW)
++# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
++# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
++#else
++# define PAGE_SHARED_NOEXEC PAGE_SHARED
++# define PAGE_READONLY_NOEXEC PAGE_READONLY
++# define PAGE_COPY_NOEXEC PAGE_COPY
++#endif
++
+ #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX)
+ #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX)
+ #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX)
+diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
+index 54ff557..70c88b7 100644
+--- a/arch/ia64/include/asm/spinlock.h
++++ b/arch/ia64/include/asm/spinlock.h
+@@ -71,7 +71,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
+ unsigned short *p = (unsigned short *)&lock->lock + 1, tmp;
+
+ asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
+- ACCESS_ONCE(*p) = (tmp + 2) & ~1;
++ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1;
+ }
+
+ static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock)
+diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
+index 449c8c0..432a3d2 100644
+--- a/arch/ia64/include/asm/uaccess.h
++++ b/arch/ia64/include/asm/uaccess.h
+@@ -257,7 +257,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
+ const void *__cu_from = (from); \
+ long __cu_len = (n); \
+ \
+- if (__access_ok(__cu_to, __cu_len, get_fs())) \
++ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) \
+ __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
+ __cu_len; \
+ })
+@@ -269,7 +269,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
+ long __cu_len = (n); \
+ \
+ __chk_user_ptr(__cu_from); \
+- if (__access_ok(__cu_from, __cu_len, get_fs())) \
++ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) \
+ __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \
+ __cu_len; \
+ })
+diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
+index 24603be..948052d 100644
+--- a/arch/ia64/kernel/module.c
++++ b/arch/ia64/kernel/module.c
+@@ -307,8 +307,7 @@ plt_target (struct plt_entry *plt)
+ void
+ module_free (struct module *mod, void *module_region)
+ {
+- if (mod && mod->arch.init_unw_table &&
+- module_region == mod->module_init) {
++ if (mod && mod->arch.init_unw_table && module_region == mod->module_init_rx) {
+ unw_remove_unwind_table(mod->arch.init_unw_table);
+ mod->arch.init_unw_table = NULL;
+ }
+@@ -494,15 +493,39 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
+ }
+
+ static inline int
++in_init_rx (const struct module *mod, uint64_t addr)
++{
++ return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx;
++}
++
++static inline int
++in_init_rw (const struct module *mod, uint64_t addr)
++{
++ return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw;
++}
++
++static inline int
+ in_init (const struct module *mod, uint64_t addr)
+ {
+- return addr - (uint64_t) mod->module_init < mod->init_size;
++ return in_init_rx(mod, addr) || in_init_rw(mod, addr);
++}
++
++static inline int
++in_core_rx (const struct module *mod, uint64_t addr)
++{
++ return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx;
++}
++
++static inline int
++in_core_rw (const struct module *mod, uint64_t addr)
++{
++ return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw;
+ }
+
+ static inline int
+ in_core (const struct module *mod, uint64_t addr)
+ {
+- return addr - (uint64_t) mod->module_core < mod->core_size;
++ return in_core_rx(mod, addr) || in_core_rw(mod, addr);
+ }
+
+ static inline int
+@@ -685,7 +708,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
+ break;
+
+ case RV_BDREL:
+- val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core);
++ if (in_init_rx(mod, val))
++ val -= (uint64_t) mod->module_init_rx;
++ else if (in_init_rw(mod, val))
++ val -= (uint64_t) mod->module_init_rw;
++ else if (in_core_rx(mod, val))
++ val -= (uint64_t) mod->module_core_rx;
++ else if (in_core_rw(mod, val))
++ val -= (uint64_t) mod->module_core_rw;
+ break;
+
+ case RV_LTV:
+@@ -820,15 +850,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
+ * addresses have been selected...
+ */
+ uint64_t gp;
+- if (mod->core_size > MAX_LTOFF)
++ if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF)
+ /*
+ * This takes advantage of fact that SHF_ARCH_SMALL gets allocated
+ * at the end of the module.
+ */
+- gp = mod->core_size - MAX_LTOFF / 2;
++ gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2;
+ else
+- gp = mod->core_size / 2;
+- gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
++ gp = (mod->core_size_rx + mod->core_size_rw) / 2;
++ gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8);
+ mod->arch.gp = gp;
+ DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp);
+ }
+diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
+index d9439ef..b9a4303 100644
+--- a/arch/ia64/kernel/sys_ia64.c
++++ b/arch/ia64/kernel/sys_ia64.c
+@@ -43,6 +43,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
+ if (REGION_NUMBER(addr) == RGN_HPAGE)
+ addr = 0;
+ #endif
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ addr = mm->free_area_cache;
++ else
++#endif
++
+ if (!addr)
+ addr = mm->free_area_cache;
+
+@@ -61,14 +68,14 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
+ for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
+ /* At this point: (!vma || addr < vma->vm_end). */
+ if (TASK_SIZE - len < addr || RGN_MAP_LIMIT - len < REGION_OFFSET(addr)) {
+- if (start_addr != TASK_UNMAPPED_BASE) {
++ if (start_addr != mm->mmap_base) {
+ /* Start a new search --- just in case we missed some holes. */
+- addr = TASK_UNMAPPED_BASE;
++ addr = mm->mmap_base;
+ goto full_search;
+ }
+ return -ENOMEM;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /* Remember the address where we stopped this search: */
+ mm->free_area_cache = addr + len;
+ return addr;
+diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
+index 0ccb28f..8992469 100644
+--- a/arch/ia64/kernel/vmlinux.lds.S
++++ b/arch/ia64/kernel/vmlinux.lds.S
+@@ -198,7 +198,7 @@ SECTIONS {
+ /* Per-cpu data: */
+ . = ALIGN(PERCPU_PAGE_SIZE);
+ PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
+- __phys_per_cpu_start = __per_cpu_load;
++ __phys_per_cpu_start = per_cpu_load;
+ /*
+ * ensure percpu data fits
+ * into percpu page size
+diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
+index 8443daf..0a01e30 100644
+--- a/arch/ia64/mm/fault.c
++++ b/arch/ia64/mm/fault.c
+@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address)
+ return pte_present(pte);
+ }
+
++#ifdef CONFIG_PAX_PAGEEXEC
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 8; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ # define VM_READ_BIT 0
+ # define VM_WRITE_BIT 1
+ # define VM_EXEC_BIT 2
+@@ -149,8 +166,21 @@ retry:
+ if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE))))
+ goto bad_area;
+
+- if ((vma->vm_flags & mask) != mask)
++ if ((vma->vm_flags & mask) != mask) {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) {
++ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip)
++ goto bad_area;
++
++ up_read(&mm->mmap_sem);
++ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12);
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ goto bad_area;
++ }
+
+ /*
+ * If for any reason at all we couldn't handle the fault, make
+diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
+index 5ca674b..e0e1b70 100644
+--- a/arch/ia64/mm/hugetlbpage.c
++++ b/arch/ia64/mm/hugetlbpage.c
+@@ -171,7 +171,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
+ /* At this point: (!vmm || addr < vmm->vm_end). */
+ if (REGION_OFFSET(addr) + len > RGN_MAP_LIMIT)
+ return -ENOMEM;
+- if (!vmm || (addr + len) <= vmm->vm_start)
++ if (check_heap_stack_gap(vmm, addr, len))
+ return addr;
+ addr = ALIGN(vmm->vm_end, HPAGE_SIZE);
+ }
+diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
+index 0eab454..bd794f2 100644
+--- a/arch/ia64/mm/init.c
++++ b/arch/ia64/mm/init.c
+@@ -120,6 +120,19 @@ ia64_init_addr_space (void)
+ vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
+ vma->vm_end = vma->vm_start + PAGE_SIZE;
+ vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) {
++ vma->vm_flags &= ~VM_EXEC;
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (current->mm->pax_flags & MF_PAX_MPROTECT)
++ vma->vm_flags &= ~VM_MAYEXEC;
++#endif
++
++ }
++#endif
++
+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+ down_write(¤t->mm->mmap_sem);
+ if (insert_vm_struct(current->mm, vma)) {
+diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h
+index 40b3ee9..8c2c112 100644
+--- a/arch/m32r/include/asm/cache.h
++++ b/arch/m32r/include/asm/cache.h
+@@ -1,8 +1,10 @@
+ #ifndef _ASM_M32R_CACHE_H
+ #define _ASM_M32R_CACHE_H
+
++#include <linux/const.h>
++
+ /* L1 cache line size */
+ #define L1_CACHE_SHIFT 4
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #endif /* _ASM_M32R_CACHE_H */
+diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
+index 82abd15..d95ae5d 100644
+--- a/arch/m32r/lib/usercopy.c
++++ b/arch/m32r/lib/usercopy.c
+@@ -14,6 +14,9 @@
+ unsigned long
+ __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ prefetch(from);
+ if (access_ok(VERIFY_WRITE, to, n))
+ __copy_user(to,from,n);
+@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
+ unsigned long
+ __generic_copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ prefetchw(to);
+ if (access_ok(VERIFY_READ, from, n))
+ __copy_user_zeroing(to,from,n);
+diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
+index 0395c51..5f26031 100644
+--- a/arch/m68k/include/asm/cache.h
++++ b/arch/m68k/include/asm/cache.h
+@@ -4,9 +4,11 @@
+ #ifndef __ARCH_M68K_CACHE_H
+ #define __ARCH_M68K_CACHE_H
+
++#include <linux/const.h>
++
+ /* bytes per L1 cache line */
+ #define L1_CACHE_SHIFT 4
+-#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+
+diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
+index 4efe96a..60e8699 100644
+--- a/arch/microblaze/include/asm/cache.h
++++ b/arch/microblaze/include/asm/cache.h
+@@ -13,11 +13,12 @@
+ #ifndef _ASM_MICROBLAZE_CACHE_H
+ #define _ASM_MICROBLAZE_CACHE_H
+
++#include <linux/const.h>
+ #include <asm/registers.h>
+
+ #define L1_CACHE_SHIFT 5
+ /* word-granular cache in microblaze */
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
+index 3f4c5cb..3439c6e 100644
+--- a/arch/mips/include/asm/atomic.h
++++ b/arch/mips/include/asm/atomic.h
+@@ -21,6 +21,10 @@
+ #include <asm/cmpxchg.h>
+ #include <asm/war.h>
+
++#ifdef CONFIG_GENERIC_ATOMIC64
++#include <asm-generic/atomic64.h>
++#endif
++
+ #define ATOMIC_INIT(i) { (i) }
+
+ /*
+@@ -765,6 +769,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
+ */
+ #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #endif /* CONFIG_64BIT */
+
+ /*
+diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
+index b4db69f..8f3b093 100644
+--- a/arch/mips/include/asm/cache.h
++++ b/arch/mips/include/asm/cache.h
+@@ -9,10 +9,11 @@
+ #ifndef _ASM_CACHE_H
+ #define _ASM_CACHE_H
+
++#include <linux/const.h>
+ #include <kmalloc.h>
+
+ #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define SMP_CACHE_SHIFT L1_CACHE_SHIFT
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
+index 455c0ac..ad65fbe 100644
+--- a/arch/mips/include/asm/elf.h
++++ b/arch/mips/include/asm/elf.h
+@@ -372,13 +372,16 @@ extern const char *__elf_platform;
+ #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
+ #endif
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
++
++#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#endif
++
+ #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+ struct linux_binprm;
+ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+ int uses_interp);
+
+-struct mm_struct;
+-extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+-#define arch_randomize_brk arch_randomize_brk
+-
+ #endif /* _ASM_ELF_H */
+diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h
+index c1f6afa..38cc6e9 100644
+--- a/arch/mips/include/asm/exec.h
++++ b/arch/mips/include/asm/exec.h
+@@ -12,6 +12,6 @@
+ #ifndef _ASM_EXEC_H
+ #define _ASM_EXEC_H
+
+-extern unsigned long arch_align_stack(unsigned long sp);
++#define arch_align_stack(x) ((x) & ~0xfUL)
+
+ #endif /* _ASM_EXEC_H */
+diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
+index da9bd7d..91aa7ab 100644
+--- a/arch/mips/include/asm/page.h
++++ b/arch/mips/include/asm/page.h
+@@ -98,7 +98,7 @@ extern void copy_user_highpage(struct page *to, struct page *from,
+ #ifdef CONFIG_CPU_MIPS32
+ typedef struct { unsigned long pte_low, pte_high; } pte_t;
+ #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
+- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
++ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; })
+ #else
+ typedef struct { unsigned long long pte; } pte_t;
+ #define pte_val(x) ((x).pte)
+diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
+index 881d18b..cea38bc 100644
+--- a/arch/mips/include/asm/pgalloc.h
++++ b/arch/mips/include/asm/pgalloc.h
+@@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ {
+ set_pud(pud, __pud((unsigned long)pmd));
+ }
++
++static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
++{
++ pud_populate(mm, pud, pmd);
++}
+ #endif
+
+ /*
+diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
+index ca97e0e..cd08920 100644
+--- a/arch/mips/include/asm/thread_info.h
++++ b/arch/mips/include/asm/thread_info.h
+@@ -111,6 +111,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
+ #define TIF_32BIT_ADDR 23 /* 32-bit address space (o32/n32) */
+ #define TIF_FPUBOUND 24 /* thread bound to FPU-full CPU set */
+ #define TIF_LOAD_WATCH 25 /* If set, load watch registers */
++/* li takes a 32bit immediate */
++#define TIF_GRSEC_SETXID 29 /* update credentials on syscall entry/exit */
+ #define TIF_SYSCALL_TRACE 31 /* syscall trace active */
+
+ #ifdef CONFIG_MIPS32_O32
+@@ -134,15 +136,18 @@ register struct thread_info *__current_thread_info __asm__("$28");
+ #define _TIF_32BIT_ADDR (1<<TIF_32BIT_ADDR)
+ #define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
+ #define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
++#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
++
++#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID)
+
+ /* work to do in syscall_trace_leave() */
+-#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
++#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID)
+
+ /* work to do on interrupt/exception return */
+ #define _TIF_WORK_MASK (0x0000ffef & \
+ ~(_TIF_SECCOMP | _TIF_SYSCALL_AUDIT))
+ /* work to do on any return to u-space */
+-#define _TIF_ALLWORK_MASK (0x8000ffff & ~_TIF_SECCOMP)
++#define _TIF_ALLWORK_MASK ((0x8000ffff & ~_TIF_SECCOMP) | _TIF_GRSEC_SETXID)
+
+ #endif /* __KERNEL__ */
+
+diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
+index 9fdd8bc..4bd7f1a 100644
+--- a/arch/mips/kernel/binfmt_elfn32.c
++++ b/arch/mips/kernel/binfmt_elfn32.c
+@@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+ #undef ELF_ET_DYN_BASE
+ #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
++
++#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#endif
++
+ #include <asm/processor.h>
+ #include <linux/module.h>
+ #include <linux/elfcore.h>
+diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
+index ff44823..97f8906 100644
+--- a/arch/mips/kernel/binfmt_elfo32.c
++++ b/arch/mips/kernel/binfmt_elfo32.c
+@@ -52,6 +52,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+ #undef ELF_ET_DYN_BASE
+ #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
++
++#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
++#endif
++
+ #include <asm/processor.h>
+
+ /*
+diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
+index e9a5fd7..378809a 100644
+--- a/arch/mips/kernel/process.c
++++ b/arch/mips/kernel/process.c
+@@ -480,15 +480,3 @@ unsigned long get_wchan(struct task_struct *task)
+ out:
+ return pc;
+ }
+-
+-/*
+- * Don't forget that the stack pointer must be aligned on a 8 bytes
+- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI.
+- */
+-unsigned long arch_align_stack(unsigned long sp)
+-{
+- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+- sp -= get_random_int() & ~PAGE_MASK;
+-
+- return sp & ALMASK;
+-}
+diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
+index 4812c6d..2069554 100644
+--- a/arch/mips/kernel/ptrace.c
++++ b/arch/mips/kernel/ptrace.c
+@@ -528,6 +528,10 @@ static inline int audit_arch(void)
+ return arch;
+ }
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern void gr_delayed_cred_worker(void);
++#endif
++
+ /*
+ * Notification of system call entry/exit
+ * - triggered by current->work.syscall_trace
+@@ -537,6 +541,11 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
+ /* do the secure computing check first */
+ secure_computing_strict(regs->regs[2]);
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ if (!(current->ptrace & PT_PTRACED))
+ goto out;
+
+diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
+index a632bc1..0b77c7c 100644
+--- a/arch/mips/kernel/scall32-o32.S
++++ b/arch/mips/kernel/scall32-o32.S
+@@ -52,7 +52,7 @@ NESTED(handle_sys, PT_SIZE, sp)
+
+ stack_done:
+ lw t0, TI_FLAGS($28) # syscall tracing enabled?
+- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
++ li t1, _TIF_SYSCALL_WORK
+ and t0, t1
+ bnez t0, syscall_trace_entry # -> yes
+
+diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
+index 3b5a5e9..e1ee86d 100644
+--- a/arch/mips/kernel/scall64-64.S
++++ b/arch/mips/kernel/scall64-64.S
+@@ -54,7 +54,7 @@ NESTED(handle_sys64, PT_SIZE, sp)
+
+ sd a3, PT_R26(sp) # save a3 for syscall restarting
+
+- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
++ li t1, _TIF_SYSCALL_WORK
+ LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
+ and t0, t1, t0
+ bnez t0, syscall_trace_entry
+diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
+index 6be6f70..1859577 100644
+--- a/arch/mips/kernel/scall64-n32.S
++++ b/arch/mips/kernel/scall64-n32.S
+@@ -53,7 +53,7 @@ NESTED(handle_sysn32, PT_SIZE, sp)
+
+ sd a3, PT_R26(sp) # save a3 for syscall restarting
+
+- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
++ li t1, _TIF_SYSCALL_WORK
+ LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
+ and t0, t1, t0
+ bnez t0, n32_syscall_trace_entry
+diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
+index 5422855..74e63a3 100644
+--- a/arch/mips/kernel/scall64-o32.S
++++ b/arch/mips/kernel/scall64-o32.S
+@@ -81,7 +81,7 @@ NESTED(handle_sys, PT_SIZE, sp)
+ PTR 4b, bad_stack
+ .previous
+
+- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
++ li t1, _TIF_SYSCALL_WORK
+ LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
+ and t0, t1, t0
+ bnez t0, trace_a_syscall
+diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
+index c14f6df..537e729 100644
+--- a/arch/mips/mm/fault.c
++++ b/arch/mips/mm/fault.c
+@@ -27,6 +27,23 @@
+ #include <asm/highmem.h> /* For VMALLOC_END */
+ #include <linux/kdebug.h>
+
++#ifdef CONFIG_PAX_PAGEEXEC
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 5; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ /*
+ * This routine handles page faults. It determines the address,
+ * and the problem, and then passes it off to one of the appropriate
+diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
+index 302d779..7d35bf8 100644
+--- a/arch/mips/mm/mmap.c
++++ b/arch/mips/mm/mmap.c
+@@ -95,6 +95,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
+ do_color_align = 1;
+
+ /* requesting a specific address */
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ if (do_color_align)
+ addr = COLOUR_ALIGN(addr, pgoff);
+@@ -102,8 +107,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vmm, addr, len))
+ return addr;
+ }
+
+@@ -118,7 +122,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
+ /* At this point: (!vma || addr < vma->vm_end). */
+ if (TASK_SIZE - len < addr)
+ return -ENOMEM;
+- if (!vma || addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vmm, addr, len))
+ return addr;
+ addr = vma->vm_end;
+ if (do_color_align)
+@@ -145,7 +149,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
+ /* make sure it can fit in the remaining address space */
+ if (likely(addr > len)) {
+ vma = find_vma(mm, addr - len);
+- if (!vma || addr <= vma->vm_start) {
++ if (check_heap_stack_gap(vmm, addr - len, len))
+ /* cache the address as a hint for next time */
+ return mm->free_area_cache = addr - len;
+ }
+@@ -165,7 +169,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (likely(!vma || addr + len <= vma->vm_start)) {
++ if (check_heap_stack_gap(vmm, addr, len)) {
+ /* cache the address as a hint for next time */
+ return mm->free_area_cache = addr;
+ }
+@@ -242,30 +246,3 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+ }
+-
+-static inline unsigned long brk_rnd(void)
+-{
+- unsigned long rnd = get_random_int();
+-
+- rnd = rnd << PAGE_SHIFT;
+- /* 8MB for 32bit, 256MB for 64bit */
+- if (TASK_IS_32BIT_ADDR)
+- rnd = rnd & 0x7ffffful;
+- else
+- rnd = rnd & 0xffffffful;
+-
+- return rnd;
+-}
+-
+-unsigned long arch_randomize_brk(struct mm_struct *mm)
+-{
+- unsigned long base = mm->brk;
+- unsigned long ret;
+-
+- ret = PAGE_ALIGN(base + brk_rnd());
+-
+- if (ret < mm->brk)
+- return mm->brk;
+-
+- return ret;
+-}
+diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h
+index 967d144..db12197 100644
+--- a/arch/mn10300/proc-mn103e010/include/proc/cache.h
++++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h
+@@ -11,12 +11,14 @@
+ #ifndef _ASM_PROC_CACHE_H
+ #define _ASM_PROC_CACHE_H
+
++#include <linux/const.h>
++
+ /* L1 cache */
+
+ #define L1_CACHE_NWAYS 4 /* number of ways in caches */
+ #define L1_CACHE_NENTRIES 256 /* number of entries in each way */
+-#define L1_CACHE_BYTES 16 /* bytes per entry */
+ #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
+ #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */
+
+ #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
+diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
+index bcb5df2..84fabd2 100644
+--- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
++++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
+@@ -16,13 +16,15 @@
+ #ifndef _ASM_PROC_CACHE_H
+ #define _ASM_PROC_CACHE_H
+
++#include <linux/const.h>
++
+ /*
+ * L1 cache
+ */
+ #define L1_CACHE_NWAYS 4 /* number of ways in caches */
+ #define L1_CACHE_NENTRIES 128 /* number of entries in each way */
+-#define L1_CACHE_BYTES 32 /* bytes per entry */
+ #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
+ #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */
+
+ #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
+diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h
+index 4ce7a01..449202a 100644
+--- a/arch/openrisc/include/asm/cache.h
++++ b/arch/openrisc/include/asm/cache.h
+@@ -19,11 +19,13 @@
+ #ifndef __ASM_OPENRISC_CACHE_H
+ #define __ASM_OPENRISC_CACHE_H
+
++#include <linux/const.h>
++
+ /* FIXME: How can we replace these with values from the CPU...
+ * they shouldn't be hard-coded!
+ */
+
+-#define L1_CACHE_BYTES 16
+ #define L1_CACHE_SHIFT 4
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #endif /* __ASM_OPENRISC_CACHE_H */
+diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
+index af9cf30..2aae9b2 100644
+--- a/arch/parisc/include/asm/atomic.h
++++ b/arch/parisc/include/asm/atomic.h
+@@ -229,6 +229,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
+
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #endif /* !CONFIG_64BIT */
+
+
+diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
+index 47f11c7..3420df2 100644
+--- a/arch/parisc/include/asm/cache.h
++++ b/arch/parisc/include/asm/cache.h
+@@ -5,6 +5,7 @@
+ #ifndef __ARCH_PARISC_CACHE_H
+ #define __ARCH_PARISC_CACHE_H
+
++#include <linux/const.h>
+
+ /*
+ * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have
+@@ -15,13 +16,13 @@
+ * just ruin performance.
+ */
+ #ifdef CONFIG_PA20
+-#define L1_CACHE_BYTES 64
+ #define L1_CACHE_SHIFT 6
+ #else
+-#define L1_CACHE_BYTES 32
+ #define L1_CACHE_SHIFT 5
+ #endif
+
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
++
+ #ifndef __ASSEMBLY__
+
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
+index 19f6cb1..6c78cf2 100644
+--- a/arch/parisc/include/asm/elf.h
++++ b/arch/parisc/include/asm/elf.h
+@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */
+
+ #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE 0x10000UL
++
++#define PAX_DELTA_MMAP_LEN 16
++#define PAX_DELTA_STACK_LEN 16
++#endif
++
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. This could be done in user space,
+ but it's not easy, and we've already done it here. */
+diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
+index fc987a1..6e068ef 100644
+--- a/arch/parisc/include/asm/pgalloc.h
++++ b/arch/parisc/include/asm/pgalloc.h
+@@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
+ (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT));
+ }
+
++static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
++{
++ pgd_populate(mm, pgd, pmd);
++}
++
+ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+ {
+ pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT,
+@@ -93,6 +98,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
+ #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
+ #define pmd_free(mm, x) do { } while (0)
+ #define pgd_populate(mm, pmd, pte) BUG()
++#define pgd_populate_kernel(mm, pmd, pte) BUG()
+
+ #endif
+
+diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
+index ee99f23..802b0a1 100644
+--- a/arch/parisc/include/asm/pgtable.h
++++ b/arch/parisc/include/asm/pgtable.h
+@@ -212,6 +212,17 @@ struct vm_area_struct;
+ #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED)
+ #define PAGE_COPY PAGE_EXECREAD
+ #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED)
++
++#ifdef CONFIG_PAX_PAGEEXEC
++# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED)
++# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
++# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
++#else
++# define PAGE_SHARED_NOEXEC PAGE_SHARED
++# define PAGE_COPY_NOEXEC PAGE_COPY
++# define PAGE_READONLY_NOEXEC PAGE_READONLY
++#endif
++
+ #define PAGE_KERNEL __pgprot(_PAGE_KERNEL)
+ #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC)
+ #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX)
+diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
+index 4ba2c93..f5e3974 100644
+--- a/arch/parisc/include/asm/uaccess.h
++++ b/arch/parisc/include/asm/uaccess.h
+@@ -251,10 +251,10 @@ static inline unsigned long __must_check copy_from_user(void *to,
+ const void __user *from,
+ unsigned long n)
+ {
+- int sz = __compiletime_object_size(to);
++ size_t sz = __compiletime_object_size(to);
+ int ret = -EFAULT;
+
+- if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
++ if (likely(sz == (size_t)-1 || !__builtin_constant_p(n) || sz >= n))
+ ret = __copy_from_user(to, from, n);
+ else
+ copy_from_user_overflow();
+diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
+index 5e34ccf..672bc9c 100644
+--- a/arch/parisc/kernel/module.c
++++ b/arch/parisc/kernel/module.c
+@@ -98,16 +98,38 @@
+
+ /* three functions to determine where in the module core
+ * or init pieces the location is */
++static inline int in_init_rx(struct module *me, void *loc)
++{
++ return (loc >= me->module_init_rx &&
++ loc < (me->module_init_rx + me->init_size_rx));
++}
++
++static inline int in_init_rw(struct module *me, void *loc)
++{
++ return (loc >= me->module_init_rw &&
++ loc < (me->module_init_rw + me->init_size_rw));
++}
++
+ static inline int in_init(struct module *me, void *loc)
+ {
+- return (loc >= me->module_init &&
+- loc <= (me->module_init + me->init_size));
++ return in_init_rx(me, loc) || in_init_rw(me, loc);
++}
++
++static inline int in_core_rx(struct module *me, void *loc)
++{
++ return (loc >= me->module_core_rx &&
++ loc < (me->module_core_rx + me->core_size_rx));
++}
++
++static inline int in_core_rw(struct module *me, void *loc)
++{
++ return (loc >= me->module_core_rw &&
++ loc < (me->module_core_rw + me->core_size_rw));
+ }
+
+ static inline int in_core(struct module *me, void *loc)
+ {
+- return (loc >= me->module_core &&
+- loc <= (me->module_core + me->core_size));
++ return in_core_rx(me, loc) || in_core_rw(me, loc);
+ }
+
+ static inline int in_local(struct module *me, void *loc)
+@@ -373,13 +395,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
+ }
+
+ /* align things a bit */
+- me->core_size = ALIGN(me->core_size, 16);
+- me->arch.got_offset = me->core_size;
+- me->core_size += gots * sizeof(struct got_entry);
++ me->core_size_rw = ALIGN(me->core_size_rw, 16);
++ me->arch.got_offset = me->core_size_rw;
++ me->core_size_rw += gots * sizeof(struct got_entry);
+
+- me->core_size = ALIGN(me->core_size, 16);
+- me->arch.fdesc_offset = me->core_size;
+- me->core_size += fdescs * sizeof(Elf_Fdesc);
++ me->core_size_rw = ALIGN(me->core_size_rw, 16);
++ me->arch.fdesc_offset = me->core_size_rw;
++ me->core_size_rw += fdescs * sizeof(Elf_Fdesc);
+
+ me->arch.got_max = gots;
+ me->arch.fdesc_max = fdescs;
+@@ -397,7 +419,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
+
+ BUG_ON(value == 0);
+
+- got = me->module_core + me->arch.got_offset;
++ got = me->module_core_rw + me->arch.got_offset;
+ for (i = 0; got[i].addr; i++)
+ if (got[i].addr == value)
+ goto out;
+@@ -415,7 +437,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
+ #ifdef CONFIG_64BIT
+ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
+ {
+- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset;
++ Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset;
+
+ if (!value) {
+ printk(KERN_ERR "%s: zero OPD requested!\n", me->name);
+@@ -433,7 +455,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
+
+ /* Create new one */
+ fdesc->addr = value;
+- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset;
++ fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
+ return (Elf_Addr)fdesc;
+ }
+ #endif /* CONFIG_64BIT */
+@@ -845,7 +867,7 @@ register_unwind_table(struct module *me,
+
+ table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr;
+ end = table + sechdrs[me->arch.unwind_section].sh_size;
+- gp = (Elf_Addr)me->module_core + me->arch.got_offset;
++ gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
+
+ DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n",
+ me->arch.unwind_section, table, end, gp);
+diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
+index 7426e40..30c8dbe 100644
+--- a/arch/parisc/kernel/sys_parisc.c
++++ b/arch/parisc/kernel/sys_parisc.c
+@@ -43,7 +43,7 @@ static unsigned long get_unshared_area(unsigned long addr, unsigned long len)
+ /* At this point: (!vma || addr < vma->vm_end). */
+ if (TASK_SIZE - len < addr)
+ return -ENOMEM;
+- if (!vma || addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ return addr;
+ addr = vma->vm_end;
+ }
+@@ -79,7 +79,7 @@ static unsigned long get_shared_area(struct address_space *mapping,
+ /* At this point: (!vma || addr < vma->vm_end). */
+ if (TASK_SIZE - len < addr)
+ return -ENOMEM;
+- if (!vma || addr + len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ return addr;
+ addr = DCACHE_ALIGN(vma->vm_end - offset) + offset;
+ if (addr < vma->vm_end) /* handle wraparound */
+@@ -98,7 +98,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ if (flags & MAP_FIXED)
+ return addr;
+ if (!addr)
+- addr = TASK_UNMAPPED_BASE;
++ addr = current->mm->mmap_base;
+
+ if (filp) {
+ addr = get_shared_area(filp->f_mapping, addr, len, pgoff);
+diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
+index 45ba99f..8e22c33 100644
+--- a/arch/parisc/kernel/traps.c
++++ b/arch/parisc/kernel/traps.c
+@@ -732,9 +732,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
+
+ down_read(¤t->mm->mmap_sem);
+ vma = find_vma(current->mm,regs->iaoq[0]);
+- if (vma && (regs->iaoq[0] >= vma->vm_start)
+- && (vma->vm_flags & VM_EXEC)) {
+-
++ if (vma && (regs->iaoq[0] >= vma->vm_start)) {
+ fault_address = regs->iaoq[0];
+ fault_space = regs->iasq[0];
+
+diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
+index 18162ce..94de376 100644
+--- a/arch/parisc/mm/fault.c
++++ b/arch/parisc/mm/fault.c
+@@ -15,6 +15,7 @@
+ #include <linux/sched.h>
+ #include <linux/interrupt.h>
+ #include <linux/module.h>
++#include <linux/unistd.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/traps.h>
+@@ -52,7 +53,7 @@ DEFINE_PER_CPU(struct exception_data, exception_data);
+ static unsigned long
+ parisc_acctyp(unsigned long code, unsigned int inst)
+ {
+- if (code == 6 || code == 16)
++ if (code == 6 || code == 7 || code == 16)
+ return VM_EXEC;
+
+ switch (inst & 0xf0000000) {
+@@ -138,6 +139,116 @@ parisc_acctyp(unsigned long code, unsigned int inst)
+ }
+ #endif
+
++#ifdef CONFIG_PAX_PAGEEXEC
++/*
++ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address)
++ *
++ * returns 1 when task should be killed
++ * 2 when rt_sigreturn trampoline was detected
++ * 3 when unpatched PLT trampoline was detected
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++
++#ifdef CONFIG_PAX_EMUPLT
++ int err;
++
++ do { /* PaX: unpatched PLT emulation */
++ unsigned int bl, depwi;
++
++ err = get_user(bl, (unsigned int *)instruction_pointer(regs));
++ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4));
++
++ if (err)
++ break;
++
++ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) {
++ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12;
++
++ err = get_user(ldw, (unsigned int *)addr);
++ err |= get_user(bv, (unsigned int *)(addr+4));
++ err |= get_user(ldw2, (unsigned int *)(addr+8));
++
++ if (err)
++ break;
++
++ if (ldw == 0x0E801096U &&
++ bv == 0xEAC0C000U &&
++ ldw2 == 0x0E881095U)
++ {
++ unsigned int resolver, map;
++
++ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8));
++ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12));
++ if (err)
++ break;
++
++ regs->gr[20] = instruction_pointer(regs)+8;
++ regs->gr[21] = map;
++ regs->gr[22] = resolver;
++ regs->iaoq[0] = resolver | 3UL;
++ regs->iaoq[1] = regs->iaoq[0] + 4;
++ return 3;
++ }
++ }
++ } while (0);
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++
++#ifndef CONFIG_PAX_EMUSIGRT
++ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
++ return 1;
++#endif
++
++ do { /* PaX: rt_sigreturn emulation */
++ unsigned int ldi1, ldi2, bel, nop;
++
++ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs));
++ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4));
++ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8));
++ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12));
++
++ if (err)
++ break;
++
++ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) &&
++ ldi2 == 0x3414015AU &&
++ bel == 0xE4008200U &&
++ nop == 0x08000240U)
++ {
++ regs->gr[25] = (ldi1 & 2) >> 1;
++ regs->gr[20] = __NR_rt_sigreturn;
++ regs->gr[31] = regs->iaoq[1] + 16;
++ regs->sr[0] = regs->iasq[1];
++ regs->iaoq[0] = 0x100UL;
++ regs->iaoq[1] = regs->iaoq[0] + 4;
++ regs->iasq[0] = regs->sr[2];
++ regs->iasq[1] = regs->sr[2];
++ return 2;
++ }
++ } while (0);
++#endif
++
++ return 1;
++}
++
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 5; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ int fixup_exception(struct pt_regs *regs)
+ {
+ const struct exception_table_entry *fix;
+@@ -192,8 +303,33 @@ good_area:
+
+ acc_type = parisc_acctyp(code,regs->iir);
+
+- if ((vma->vm_flags & acc_type) != acc_type)
++ if ((vma->vm_flags & acc_type) != acc_type) {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) &&
++ (address & ~3UL) == instruction_pointer(regs))
++ {
++ up_read(&mm->mmap_sem);
++ switch (pax_handle_fetch_fault(regs)) {
++
++#ifdef CONFIG_PAX_EMUPLT
++ case 3:
++ return;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ case 2:
++ return;
++#endif
++
++ }
++ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]);
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ goto bad_area;
++ }
+
+ /*
+ * If for any reason at all we couldn't handle the fault, make
+diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
+index da29032..f76c24c 100644
+--- a/arch/powerpc/include/asm/atomic.h
++++ b/arch/powerpc/include/asm/atomic.h
+@@ -522,6 +522,16 @@ static __inline__ long atomic64_inc_not_zero(atomic64_t *v)
+ return t1;
+ }
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #endif /* __powerpc64__ */
+
+ #endif /* __KERNEL__ */
+diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
+index 9e495c9..b6878e5 100644
+--- a/arch/powerpc/include/asm/cache.h
++++ b/arch/powerpc/include/asm/cache.h
+@@ -3,6 +3,7 @@
+
+ #ifdef __KERNEL__
+
++#include <linux/const.h>
+
+ /* bytes per L1 cache line */
+ #if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
+@@ -22,7 +23,7 @@
+ #define L1_CACHE_SHIFT 7
+ #endif
+
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
+index 3bf9cca..e7457d0 100644
+--- a/arch/powerpc/include/asm/elf.h
++++ b/arch/powerpc/include/asm/elf.h
+@@ -178,8 +178,19 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+-extern unsigned long randomize_et_dyn(unsigned long base);
+-#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000))
++#define ELF_ET_DYN_BASE (0x20000000)
++
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (0x10000000UL)
++
++#ifdef __powerpc64__
++#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28)
++#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28)
++#else
++#define PAX_DELTA_MMAP_LEN 15
++#define PAX_DELTA_STACK_LEN 15
++#endif
++#endif
+
+ /*
+ * Our registers are always unsigned longs, whether we're a 32 bit
+@@ -274,9 +285,6 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+ (0x7ff >> (PAGE_SHIFT - 12)) : \
+ (0x3ffff >> (PAGE_SHIFT - 12)))
+
+-extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+-#define arch_randomize_brk arch_randomize_brk
+-
+ #endif /* __KERNEL__ */
+
+ /*
+diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h
+index 8196e9c..d83a9f3 100644
+--- a/arch/powerpc/include/asm/exec.h
++++ b/arch/powerpc/include/asm/exec.h
+@@ -4,6 +4,6 @@
+ #ifndef _ASM_POWERPC_EXEC_H
+ #define _ASM_POWERPC_EXEC_H
+
+-extern unsigned long arch_align_stack(unsigned long sp);
++#define arch_align_stack(x) ((x) & ~0xfUL)
+
+ #endif /* _ASM_POWERPC_EXEC_H */
+diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h
+index 5acabbd..7ea14fa 100644
+--- a/arch/powerpc/include/asm/kmap_types.h
++++ b/arch/powerpc/include/asm/kmap_types.h
+@@ -10,7 +10,7 @@
+ * 2 of the License, or (at your option) any later version.
+ */
+
+-#define KM_TYPE_NR 16
++#define KM_TYPE_NR 17
+
+ #endif /* __KERNEL__ */
+ #endif /* _ASM_POWERPC_KMAP_TYPES_H */
+diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
+index d4a7f64..451de1c 100644
+--- a/arch/powerpc/include/asm/mman.h
++++ b/arch/powerpc/include/asm/mman.h
+@@ -44,7 +44,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot)
+ }
+ #define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot)
+
+-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
++static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags)
+ {
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+ }
+diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
+index f072e97..b436dee 100644
+--- a/arch/powerpc/include/asm/page.h
++++ b/arch/powerpc/include/asm/page.h
+@@ -220,8 +220,9 @@ extern long long virt_phys_offset;
+ * and needs to be executable. This means the whole heap ends
+ * up being executable.
+ */
+-#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
+- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
++#define VM_DATA_DEFAULT_FLAGS32 \
++ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
++ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+ #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+@@ -249,6 +250,9 @@ extern long long virt_phys_offset;
+ #define is_kernel_addr(x) ((x) >= PAGE_OFFSET)
+ #endif
+
++#define ktla_ktva(addr) (addr)
++#define ktva_ktla(addr) (addr)
++
+ /*
+ * Use the top bit of the higher-level page table entries to indicate whether
+ * the entries we point to contain hugepages. This works because we know that
+diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
+index fed85e6..da5c71b 100644
+--- a/arch/powerpc/include/asm/page_64.h
++++ b/arch/powerpc/include/asm/page_64.h
+@@ -146,15 +146,18 @@ do { \
+ * stack by default, so in the absence of a PT_GNU_STACK program header
+ * we turn execute permission off.
+ */
+-#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
+- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
++#define VM_STACK_DEFAULT_FLAGS32 \
++ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
++ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+ #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
++#ifndef CONFIG_PAX_PAGEEXEC
+ #define VM_STACK_DEFAULT_FLAGS \
+ (is_32bit_task() ? \
+ VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
++#endif
+
+ #include <asm-generic/getorder.h>
+
+diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
+index 292725c..f87ae14 100644
+--- a/arch/powerpc/include/asm/pgalloc-64.h
++++ b/arch/powerpc/include/asm/pgalloc-64.h
+@@ -50,6 +50,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+ #ifndef CONFIG_PPC_64K_PAGES
+
+ #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD)
++#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD))
+
+ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+ {
+@@ -67,6 +68,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ pud_set(pud, (unsigned long)pmd);
+ }
+
++static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
++{
++ pud_populate(mm, pud, pmd);
++}
++
+ #define pmd_populate(mm, pmd, pte_page) \
+ pmd_populate_kernel(mm, pmd, page_address(pte_page))
+ #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte))
+@@ -76,6 +82,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ #else /* CONFIG_PPC_64K_PAGES */
+
+ #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd)
++#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
+
+ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
+ pte_t *pte)
+diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
+index 2e0e411..7899c68 100644
+--- a/arch/powerpc/include/asm/pgtable.h
++++ b/arch/powerpc/include/asm/pgtable.h
+@@ -2,6 +2,7 @@
+ #define _ASM_POWERPC_PGTABLE_H
+ #ifdef __KERNEL__
+
++#include <linux/const.h>
+ #ifndef __ASSEMBLY__
+ #include <asm/processor.h> /* For TASK_SIZE */
+ #include <asm/mmu.h>
+diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h
+index 4aad413..85d86bf 100644
+--- a/arch/powerpc/include/asm/pte-hash32.h
++++ b/arch/powerpc/include/asm/pte-hash32.h
+@@ -21,6 +21,7 @@
+ #define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */
+ #define _PAGE_USER 0x004 /* usermode access allowed */
+ #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */
++#define _PAGE_EXEC _PAGE_GUARDED
+ #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */
+ #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */
+ #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */
+diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
+index 6386086..6982225 100644
+--- a/arch/powerpc/include/asm/reg.h
++++ b/arch/powerpc/include/asm/reg.h
+@@ -212,6 +212,7 @@
+ #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
+ #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
+ #define DSISR_NOHPTE 0x40000000 /* no translation found */
++#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */
+ #define DSISR_PROTFAULT 0x08000000 /* protection fault */
+ #define DSISR_ISSTORE 0x02000000 /* access was a store */
+ #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
+diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
+index faf9352..ab2ccec 100644
+--- a/arch/powerpc/include/asm/thread_info.h
++++ b/arch/powerpc/include/asm/thread_info.h
+@@ -97,12 +97,14 @@ static inline struct thread_info *current_thread_info(void)
+ #define TIF_PERFMON_CTXSW 6 /* perfmon needs ctxsw calls */
+ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
+ #define TIF_SINGLESTEP 8 /* singlestepping active */
+-#define TIF_MEMDIE 9 /* is terminating due to OOM killer */
+ #define TIF_SECCOMP 10 /* secure computing */
+ #define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */
+ #define TIF_NOERROR 12 /* Force successful syscall return */
+ #define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
+ #define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */
++#define TIF_MEMDIE 16 /* is terminating due to OOM killer */
++/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */
++#define TIF_GRSEC_SETXID 9 /* update credentials on syscall entry/exit */
+
+ /* as above, but as bit values */
+ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
+@@ -119,8 +121,10 @@ static inline struct thread_info *current_thread_info(void)
+ #define _TIF_NOERROR (1<<TIF_NOERROR)
+ #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
+ #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
++#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
+ #define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
+- _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
++ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \
++ _TIF_GRSEC_SETXID)
+
+ #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
+ _TIF_NOTIFY_RESUME)
+diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
+index 17bb40c..353c98b 100644
+--- a/arch/powerpc/include/asm/uaccess.h
++++ b/arch/powerpc/include/asm/uaccess.h
+@@ -13,6 +13,8 @@
+ #define VERIFY_READ 0
+ #define VERIFY_WRITE 1
+
++extern void check_object_size(const void *ptr, unsigned long n, bool to);
++
+ /*
+ * The fs value determines whether argument validity checking should be
+ * performed or not. If get_fs() == USER_DS, checking is performed, with
+@@ -329,52 +331,6 @@ do { \
+ extern unsigned long __copy_tofrom_user(void __user *to,
+ const void __user *from, unsigned long size);
+
+-#ifndef __powerpc64__
+-
+-static inline unsigned long copy_from_user(void *to,
+- const void __user *from, unsigned long n)
+-{
+- unsigned long over;
+-
+- if (access_ok(VERIFY_READ, from, n))
+- return __copy_tofrom_user((__force void __user *)to, from, n);
+- if ((unsigned long)from < TASK_SIZE) {
+- over = (unsigned long)from + n - TASK_SIZE;
+- return __copy_tofrom_user((__force void __user *)to, from,
+- n - over) + over;
+- }
+- return n;
+-}
+-
+-static inline unsigned long copy_to_user(void __user *to,
+- const void *from, unsigned long n)
+-{
+- unsigned long over;
+-
+- if (access_ok(VERIFY_WRITE, to, n))
+- return __copy_tofrom_user(to, (__force void __user *)from, n);
+- if ((unsigned long)to < TASK_SIZE) {
+- over = (unsigned long)to + n - TASK_SIZE;
+- return __copy_tofrom_user(to, (__force void __user *)from,
+- n - over) + over;
+- }
+- return n;
+-}
+-
+-#else /* __powerpc64__ */
+-
+-#define __copy_in_user(to, from, size) \
+- __copy_tofrom_user((to), (from), (size))
+-
+-extern unsigned long copy_from_user(void *to, const void __user *from,
+- unsigned long n);
+-extern unsigned long copy_to_user(void __user *to, const void *from,
+- unsigned long n);
+-extern unsigned long copy_in_user(void __user *to, const void __user *from,
+- unsigned long n);
+-
+-#endif /* __powerpc64__ */
+-
+ static inline unsigned long __copy_from_user_inatomic(void *to,
+ const void __user *from, unsigned long n)
+ {
+@@ -398,6 +354,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
+ if (ret == 0)
+ return 0;
+ }
++
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++
+ return __copy_tofrom_user((__force void __user *)to, from, n);
+ }
+
+@@ -424,6 +384,10 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
+ if (ret == 0)
+ return 0;
+ }
++
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
++
+ return __copy_tofrom_user(to, (__force const void __user *)from, n);
+ }
+
+@@ -441,6 +405,92 @@ static inline unsigned long __copy_to_user(void __user *to,
+ return __copy_to_user_inatomic(to, from, size);
+ }
+
++#ifndef __powerpc64__
++
++static inline unsigned long __must_check copy_from_user(void *to,
++ const void __user *from, unsigned long n)
++{
++ unsigned long over;
++
++ if ((long)n < 0)
++ return n;
++
++ if (access_ok(VERIFY_READ, from, n)) {
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++ return __copy_tofrom_user((__force void __user *)to, from, n);
++ }
++ if ((unsigned long)from < TASK_SIZE) {
++ over = (unsigned long)from + n - TASK_SIZE;
++ if (!__builtin_constant_p(n - over))
++ check_object_size(to, n - over, false);
++ return __copy_tofrom_user((__force void __user *)to, from,
++ n - over) + over;
++ }
++ return n;
++}
++
++static inline unsigned long __must_check copy_to_user(void __user *to,
++ const void *from, unsigned long n)
++{
++ unsigned long over;
++
++ if ((long)n < 0)
++ return n;
++
++ if (access_ok(VERIFY_WRITE, to, n)) {
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
++ return __copy_tofrom_user(to, (__force void __user *)from, n);
++ }
++ if ((unsigned long)to < TASK_SIZE) {
++ over = (unsigned long)to + n - TASK_SIZE;
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n - over, true);
++ return __copy_tofrom_user(to, (__force void __user *)from,
++ n - over) + over;
++ }
++ return n;
++}
++
++#else /* __powerpc64__ */
++
++#define __copy_in_user(to, from, size) \
++ __copy_tofrom_user((to), (from), (size))
++
++static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
++{
++ if ((long)n < 0 || n > INT_MAX)
++ return n;
++
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++
++ if (likely(access_ok(VERIFY_READ, from, n)))
++ n = __copy_from_user(to, from, n);
++ else
++ memset(to, 0, n);
++ return n;
++}
++
++static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
++{
++ if ((long)n < 0 || n > INT_MAX)
++ return n;
++
++ if (likely(access_ok(VERIFY_WRITE, to, n))) {
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
++ n = __copy_to_user(to, from, n);
++ }
++ return n;
++}
++
++extern unsigned long copy_in_user(void __user *to, const void __user *from,
++ unsigned long n);
++
++#endif /* __powerpc64__ */
++
+ extern unsigned long __clear_user(void __user *addr, unsigned long size);
+
+ static inline unsigned long clear_user(void __user *addr, unsigned long size)
+diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
+index 98be7f0..8ef62de 100644
+--- a/arch/powerpc/kernel/exceptions-64e.S
++++ b/arch/powerpc/kernel/exceptions-64e.S
+@@ -661,6 +661,7 @@ storage_fault_common:
+ std r14,_DAR(r1)
+ std r15,_DSISR(r1)
+ addi r3,r1,STACK_FRAME_OVERHEAD
++ bl .save_nvgprs
+ mr r4,r14
+ mr r5,r15
+ ld r14,PACA_EXGEN+EX_R14(r13)
+@@ -669,8 +670,7 @@ storage_fault_common:
+ cmpdi r3,0
+ bne- 1f
+ b .ret_from_except_lite
+-1: bl .save_nvgprs
+- mr r5,r3
++1: mr r5,r3
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ ld r4,_DAR(r1)
+ bl .bad_page_fault
+diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
+index 39aa97d..dc916ee 100644
+--- a/arch/powerpc/kernel/exceptions-64s.S
++++ b/arch/powerpc/kernel/exceptions-64s.S
+@@ -890,10 +890,10 @@ handle_page_fault:
+ 11: ld r4,_DAR(r1)
+ ld r5,_DSISR(r1)
+ addi r3,r1,STACK_FRAME_OVERHEAD
++ bl .save_nvgprs
+ bl .do_page_fault
+ cmpdi r3,0
+ beq+ 12f
+- bl .save_nvgprs
+ mr r5,r3
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ lwz r4,_DAR(r1)
+diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
+index 2e3200c..72095ce 100644
+--- a/arch/powerpc/kernel/module_32.c
++++ b/arch/powerpc/kernel/module_32.c
+@@ -162,7 +162,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
+ me->arch.core_plt_section = i;
+ }
+ if (!me->arch.core_plt_section || !me->arch.init_plt_section) {
+- printk("Module doesn't contain .plt or .init.plt sections.\n");
++ printk("Module %s doesn't contain .plt or .init.plt sections.\n", me->name);
+ return -ENOEXEC;
+ }
+
+@@ -192,11 +192,16 @@ static uint32_t do_plt_call(void *location,
+
+ DEBUGP("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location);
+ /* Init, or core PLT? */
+- if (location >= mod->module_core
+- && location < mod->module_core + mod->core_size)
++ if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) ||
++ (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw))
+ entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr;
+- else
++ else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) ||
++ (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw))
+ entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr;
++ else {
++ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name);
++ return ~0UL;
++ }
+
+ /* Find this entry, or if that fails, the next avail. entry */
+ while (entry->jump[0]) {
+diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
+index 1a1f2dd..f4d1bb4 100644
+--- a/arch/powerpc/kernel/process.c
++++ b/arch/powerpc/kernel/process.c
+@@ -681,8 +681,8 @@ void show_regs(struct pt_regs * regs)
+ * Lookup NIP late so we have the best change of getting the
+ * above info out without failing
+ */
+- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip);
+- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link);
++ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip);
++ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link);
+ #endif
+ show_stack(current, (unsigned long *) regs->gpr[1]);
+ if (!user_mode(regs))
+@@ -1181,10 +1181,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
+ newsp = stack[0];
+ ip = stack[STACK_FRAME_LR_SAVE];
+ if (!firstframe || ip != lr) {
+- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
++ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip);
+ #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ if ((ip == rth || ip == mrth) && curr_frame >= 0) {
+- printk(" (%pS)",
++ printk(" (%pA)",
+ (void *)current->ret_stack[curr_frame].ret);
+ curr_frame--;
+ }
+@@ -1204,7 +1204,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
+ struct pt_regs *regs = (struct pt_regs *)
+ (sp + STACK_FRAME_OVERHEAD);
+ lr = regs->link;
+- printk("--- Exception: %lx at %pS\n LR = %pS\n",
++ printk("--- Exception: %lx at %pA\n LR = %pA\n",
+ regs->trap, (void *)regs->nip, (void *)lr);
+ firstframe = 1;
+ }
+@@ -1246,58 +1246,3 @@ void __ppc64_runlatch_off(void)
+ mtspr(SPRN_CTRLT, ctrl);
+ }
+ #endif /* CONFIG_PPC64 */
+-
+-unsigned long arch_align_stack(unsigned long sp)
+-{
+- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+- sp -= get_random_int() & ~PAGE_MASK;
+- return sp & ~0xf;
+-}
+-
+-static inline unsigned long brk_rnd(void)
+-{
+- unsigned long rnd = 0;
+-
+- /* 8MB for 32bit, 1GB for 64bit */
+- if (is_32bit_task())
+- rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT)));
+- else
+- rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT)));
+-
+- return rnd << PAGE_SHIFT;
+-}
+-
+-unsigned long arch_randomize_brk(struct mm_struct *mm)
+-{
+- unsigned long base = mm->brk;
+- unsigned long ret;
+-
+-#ifdef CONFIG_PPC_STD_MMU_64
+- /*
+- * If we are using 1TB segments and we are allowed to randomise
+- * the heap, we can put it above 1TB so it is backed by a 1TB
+- * segment. Otherwise the heap will be in the bottom 1TB
+- * which always uses 256MB segments and this may result in a
+- * performance penalty.
+- */
+- if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T))
+- base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T);
+-#endif
+-
+- ret = PAGE_ALIGN(base + brk_rnd());
+-
+- if (ret < mm->brk)
+- return mm->brk;
+-
+- return ret;
+-}
+-
+-unsigned long randomize_et_dyn(unsigned long base)
+-{
+- unsigned long ret = PAGE_ALIGN(base + brk_rnd());
+-
+- if (ret < base)
+- return base;
+-
+- return ret;
+-}
+diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
+index c10fc28..c4ef063 100644
+--- a/arch/powerpc/kernel/ptrace.c
++++ b/arch/powerpc/kernel/ptrace.c
+@@ -1660,6 +1660,10 @@ long arch_ptrace(struct task_struct *child, long request,
+ return ret;
+ }
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern void gr_delayed_cred_worker(void);
++#endif
++
+ /*
+ * We must return the syscall number to actually look up in the table.
+ * This can be -1L to skip running any syscall at all.
+@@ -1670,6 +1674,11 @@ long do_syscall_trace_enter(struct pt_regs *regs)
+
+ secure_computing_strict(regs->gpr[0]);
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ if (test_thread_flag(TIF_SYSCALL_TRACE) &&
+ tracehook_report_syscall_entry(regs))
+ /*
+@@ -1704,6 +1713,11 @@ void do_syscall_trace_leave(struct pt_regs *regs)
+ {
+ int step;
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ audit_syscall_exit(regs);
+
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
+index 8b4c049..dcd6ef3 100644
+--- a/arch/powerpc/kernel/signal_32.c
++++ b/arch/powerpc/kernel/signal_32.c
+@@ -852,7 +852,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
+ /* Save user registers on the stack */
+ frame = &rt_sf->uc.uc_mcontext;
+ addr = frame;
+- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) {
++ if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
+ if (save_user_regs(regs, frame, 0, 1))
+ goto badframe;
+ regs->link = current->mm->context.vdso_base + vdso32_rt_sigtramp;
+diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
+index d183f87..1867f1a 100644
+--- a/arch/powerpc/kernel/signal_64.c
++++ b/arch/powerpc/kernel/signal_64.c
+@@ -430,7 +430,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info,
+ current->thread.fpscr.val = 0;
+
+ /* Set up to return from userspace. */
+- if (vdso64_rt_sigtramp && current->mm->context.vdso_base) {
++ if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
+ regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp;
+ } else {
+ err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]);
+diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
+index ae0843f..f16372c 100644
+--- a/arch/powerpc/kernel/traps.c
++++ b/arch/powerpc/kernel/traps.c
+@@ -133,6 +133,8 @@ static unsigned __kprobes long oops_begin(struct pt_regs *regs)
+ return flags;
+ }
+
++extern void gr_handle_kernel_exploit(void);
++
+ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
+ int signr)
+ {
+@@ -182,6 +184,9 @@ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
+ panic("Fatal exception in interrupt");
+ if (panic_on_oops)
+ panic("Fatal exception");
++
++ gr_handle_kernel_exploit();
++
+ do_exit(signr);
+ }
+
+diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
+index b67db22..38825d2 100644
+--- a/arch/powerpc/kernel/vdso.c
++++ b/arch/powerpc/kernel/vdso.c
+@@ -34,6 +34,7 @@
+ #include <asm/firmware.h>
+ #include <asm/vdso.h>
+ #include <asm/vdso_datapage.h>
++#include <asm/mman.h>
+
+ #include "setup.h"
+
+@@ -218,7 +219,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ vdso_base = VDSO32_MBASE;
+ #endif
+
+- current->mm->context.vdso_base = 0;
++ current->mm->context.vdso_base = ~0UL;
+
+ /* vDSO has a problem and was disabled, just don't "enable" it for the
+ * process
+@@ -238,7 +239,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ vdso_base = get_unmapped_area(NULL, vdso_base,
+ (vdso_pages << PAGE_SHIFT) +
+ ((VDSO_ALIGNMENT - 1) & PAGE_MASK),
+- 0, 0);
++ 0, MAP_PRIVATE | MAP_EXECUTABLE);
+ if (IS_ERR_VALUE(vdso_base)) {
+ rc = vdso_base;
+ goto fail_mmapsem;
+diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c
+index 5eea6f3..5d10396 100644
+--- a/arch/powerpc/lib/usercopy_64.c
++++ b/arch/powerpc/lib/usercopy_64.c
+@@ -9,22 +9,6 @@
+ #include <linux/module.h>
+ #include <asm/uaccess.h>
+
+-unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
+-{
+- if (likely(access_ok(VERIFY_READ, from, n)))
+- n = __copy_from_user(to, from, n);
+- else
+- memset(to, 0, n);
+- return n;
+-}
+-
+-unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
+-{
+- if (likely(access_ok(VERIFY_WRITE, to, n)))
+- n = __copy_to_user(to, from, n);
+- return n;
+-}
+-
+ unsigned long copy_in_user(void __user *to, const void __user *from,
+ unsigned long n)
+ {
+@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from,
+ return n;
+ }
+
+-EXPORT_SYMBOL(copy_from_user);
+-EXPORT_SYMBOL(copy_to_user);
+ EXPORT_SYMBOL(copy_in_user);
+
+diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
+index 08ffcf5..a0ab912 100644
+--- a/arch/powerpc/mm/fault.c
++++ b/arch/powerpc/mm/fault.c
+@@ -32,6 +32,10 @@
+ #include <linux/perf_event.h>
+ #include <linux/magic.h>
+ #include <linux/ratelimit.h>
++#include <linux/slab.h>
++#include <linux/pagemap.h>
++#include <linux/compiler.h>
++#include <linux/unistd.h>
+
+ #include <asm/firmware.h>
+ #include <asm/page.h>
+@@ -68,6 +72,33 @@ static inline int notify_page_fault(struct pt_regs *regs)
+ }
+ #endif
+
++#ifdef CONFIG_PAX_PAGEEXEC
++/*
++ * PaX: decide what to do with offenders (regs->nip = fault address)
++ *
++ * returns 1 when task should be killed
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++ return 1;
++}
++
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 5; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int __user *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ /*
+ * Check whether the instruction at regs->nip is a store using
+ * an update addressing form which will update r1.
+@@ -215,7 +246,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
+ * indicate errors in DSISR but can validly be set in SRR1.
+ */
+ if (trap == 0x400)
+- error_code &= 0x48200000;
++ error_code &= 0x58200000;
+ else
+ is_write = error_code & DSISR_ISSTORE;
+ #else
+@@ -366,7 +397,7 @@ good_area:
+ * "undefined". Of those that can be set, this is the only
+ * one which seems bad.
+ */
+- if (error_code & 0x10000000)
++ if (error_code & DSISR_GUARDED)
+ /* Guarded storage error. */
+ goto bad_area;
+ #endif /* CONFIG_8xx */
+@@ -381,7 +412,7 @@ good_area:
+ * processors use the same I/D cache coherency mechanism
+ * as embedded.
+ */
+- if (error_code & DSISR_PROTFAULT)
++ if (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))
+ goto bad_area;
+ #endif /* CONFIG_PPC_STD_MMU */
+
+@@ -463,6 +494,23 @@ bad_area:
+ bad_area_nosemaphore:
+ /* User mode accesses cause a SIGSEGV */
+ if (user_mode(regs)) {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
++#ifdef CONFIG_PPC_STD_MMU
++ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) {
++#else
++ if (is_exec && regs->nip == address) {
++#endif
++ switch (pax_handle_fetch_fault(regs)) {
++ }
++
++ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]);
++ do_group_exit(SIGKILL);
++ }
++ }
++#endif
++
+ _exception(SIGSEGV, regs, code, address);
+ return 0;
+ }
+diff --git a/arch/powerpc/mm/mmap_64.c b/arch/powerpc/mm/mmap_64.c
+index 67a42ed..1c7210c 100644
+--- a/arch/powerpc/mm/mmap_64.c
++++ b/arch/powerpc/mm/mmap_64.c
+@@ -91,10 +91,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ */
+ if (mmap_is_legacy()) {
+ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+ mm->mmap_base = mmap_base();
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
+index 73709f7..6b90313 100644
+--- a/arch/powerpc/mm/slice.c
++++ b/arch/powerpc/mm/slice.c
+@@ -98,7 +98,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr,
+ if ((mm->task_size - len) < addr)
+ return 0;
+ vma = find_vma(mm, addr);
+- return (!vma || (addr + len) <= vma->vm_start);
++ return check_heap_stack_gap(vma, addr, len);
+ }
+
+ static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice)
+@@ -256,7 +256,7 @@ full_search:
+ addr = _ALIGN_UP(addr + 1, 1ul << SLICE_HIGH_SHIFT);
+ continue;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -313,10 +313,14 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
+ }
+ }
+
+- addr = mm->mmap_base;
+- while (addr > len) {
++ if (mm->mmap_base < len)
++ addr = -ENOMEM;
++ else
++ addr = mm->mmap_base - len;
++
++ while (!IS_ERR_VALUE(addr)) {
+ /* Go down by chunk size */
+- addr = _ALIGN_DOWN(addr - len, 1ul << pshift);
++ addr = _ALIGN_DOWN(addr, 1ul << pshift);
+
+ /* Check for hit with different page size */
+ mask = slice_range_to_mask(addr, len);
+@@ -336,7 +340,7 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (!vma || (addr + len) <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /* remember the address as a hint for next time */
+ if (use_cache)
+ mm->free_area_cache = addr;
+@@ -348,7 +352,7 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm,
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = vma->vm_start;
++ addr = skip_heap_stack_gap(vma, len);
+ }
+
+ /*
+@@ -426,6 +430,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
+ if (fixed && addr > (mm->task_size - len))
+ return -EINVAL;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP))
++ addr = 0;
++#endif
++
+ /* If hint, make sure it matches our alignment restrictions */
+ if (!fixed && addr) {
+ addr = _ALIGN_UP(addr, 1ul << pshift);
+diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
+index c797832..ce575c8 100644
+--- a/arch/s390/include/asm/atomic.h
++++ b/arch/s390/include/asm/atomic.h
+@@ -326,6 +326,16 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
+ #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0)
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #define smp_mb__before_atomic_dec() smp_mb()
+ #define smp_mb__after_atomic_dec() smp_mb()
+ #define smp_mb__before_atomic_inc() smp_mb()
+diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
+index 4d7ccac..d03d0ad 100644
+--- a/arch/s390/include/asm/cache.h
++++ b/arch/s390/include/asm/cache.h
+@@ -9,8 +9,10 @@
+ #ifndef __ARCH_S390_CACHE_H
+ #define __ARCH_S390_CACHE_H
+
+-#define L1_CACHE_BYTES 256
++#include <linux/const.h>
++
+ #define L1_CACHE_SHIFT 8
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+ #define NET_SKB_PAD 32
+
+ #define __read_mostly __attribute__((__section__(".data..read_mostly")))
+diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
+index 9b94a16..63d4034 100644
+--- a/arch/s390/include/asm/elf.h
++++ b/arch/s390/include/asm/elf.h
+@@ -159,8 +159,14 @@ extern unsigned int vdso_enabled;
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+-extern unsigned long randomize_et_dyn(unsigned long base);
+-#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2))
++#define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2)
++
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL)
++
++#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
++#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
++#endif
+
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. */
+@@ -209,7 +215,4 @@ struct linux_binprm;
+ #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+ int arch_setup_additional_pages(struct linux_binprm *, int);
+
+-extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+-#define arch_randomize_brk arch_randomize_brk
+-
+ #endif
+diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h
+index c4a93d6..4d2a9b4 100644
+--- a/arch/s390/include/asm/exec.h
++++ b/arch/s390/include/asm/exec.h
+@@ -7,6 +7,6 @@
+ #ifndef __ASM_EXEC_H
+ #define __ASM_EXEC_H
+
+-extern unsigned long arch_align_stack(unsigned long sp);
++#define arch_align_stack(x) ((x) & ~0xfUL)
+
+ #endif /* __ASM_EXEC_H */
+diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
+index a8ab18b..75ddbf0 100644
+--- a/arch/s390/include/asm/uaccess.h
++++ b/arch/s390/include/asm/uaccess.h
+@@ -239,6 +239,10 @@ static inline unsigned long __must_check
+ copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
+ might_fault();
++
++ if ((long)n < 0)
++ return n;
++
+ if (access_ok(VERIFY_WRITE, to, n))
+ n = __copy_to_user(to, from, n);
+ return n;
+@@ -264,6 +268,9 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
+ static inline unsigned long __must_check
+ __copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ if (__builtin_constant_p(n) && (n <= 256))
+ return uaccess.copy_from_user_small(n, from, to);
+ else
+@@ -295,10 +302,14 @@ __compiletime_warning("copy_from_user() buffer size is not provably correct")
+ static inline unsigned long __must_check
+ copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
+- unsigned int sz = __compiletime_object_size(to);
++ size_t sz = __compiletime_object_size(to);
+
+ might_fault();
+- if (unlikely(sz != -1 && sz < n)) {
++
++ if ((long)n < 0)
++ return n;
++
++ if (unlikely(sz != (size_t)-1 && sz < n)) {
+ copy_from_user_overflow();
+ return n;
+ }
+diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
+index 46412b1..e32874f 100644
+--- a/arch/s390/kernel/module.c
++++ b/arch/s390/kernel/module.c
+@@ -160,11 +160,11 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
+
+ /* Increase core size by size of got & plt and set start
+ offsets for got and plt. */
+- me->core_size = ALIGN(me->core_size, 4);
+- me->arch.got_offset = me->core_size;
+- me->core_size += me->arch.got_size;
+- me->arch.plt_offset = me->core_size;
+- me->core_size += me->arch.plt_size;
++ me->core_size_rw = ALIGN(me->core_size_rw, 4);
++ me->arch.got_offset = me->core_size_rw;
++ me->core_size_rw += me->arch.got_size;
++ me->arch.plt_offset = me->core_size_rx;
++ me->core_size_rx += me->arch.plt_size;
+ return 0;
+ }
+
+@@ -241,7 +241,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ if (info->got_initialized == 0) {
+ Elf_Addr *gotent;
+
+- gotent = me->module_core + me->arch.got_offset +
++ gotent = me->module_core_rw + me->arch.got_offset +
+ info->got_offset;
+ *gotent = val;
+ info->got_initialized = 1;
+@@ -265,7 +265,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ else if (r_type == R_390_GOTENT ||
+ r_type == R_390_GOTPLTENT)
+ *(unsigned int *) loc =
+- (val + (Elf_Addr) me->module_core - loc) >> 1;
++ (val + (Elf_Addr) me->module_core_rw - loc) >> 1;
+ else if (r_type == R_390_GOT64 ||
+ r_type == R_390_GOTPLT64)
+ *(unsigned long *) loc = val;
+@@ -279,7 +279,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */
+ if (info->plt_initialized == 0) {
+ unsigned int *ip;
+- ip = me->module_core + me->arch.plt_offset +
++ ip = me->module_core_rx + me->arch.plt_offset +
+ info->plt_offset;
+ #ifndef CONFIG_64BIT
+ ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */
+@@ -304,7 +304,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ val - loc + 0xffffUL < 0x1ffffeUL) ||
+ (r_type == R_390_PLT32DBL &&
+ val - loc + 0xffffffffULL < 0x1fffffffeULL)))
+- val = (Elf_Addr) me->module_core +
++ val = (Elf_Addr) me->module_core_rx +
+ me->arch.plt_offset +
+ info->plt_offset;
+ val += rela->r_addend - loc;
+@@ -326,7 +326,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ case R_390_GOTOFF32: /* 32 bit offset to GOT. */
+ case R_390_GOTOFF64: /* 64 bit offset to GOT. */
+ val = val + rela->r_addend -
+- ((Elf_Addr) me->module_core + me->arch.got_offset);
++ ((Elf_Addr) me->module_core_rw + me->arch.got_offset);
+ if (r_type == R_390_GOTOFF16)
+ *(unsigned short *) loc = val;
+ else if (r_type == R_390_GOTOFF32)
+@@ -336,7 +336,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
+ break;
+ case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */
+ case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */
+- val = (Elf_Addr) me->module_core + me->arch.got_offset +
++ val = (Elf_Addr) me->module_core_rw + me->arch.got_offset +
+ rela->r_addend - loc;
+ if (r_type == R_390_GOTPC)
+ *(unsigned int *) loc = val;
+diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
+index 7331753..dd71de4 100644
+--- a/arch/s390/kernel/process.c
++++ b/arch/s390/kernel/process.c
+@@ -316,39 +316,3 @@ unsigned long get_wchan(struct task_struct *p)
+ }
+ return 0;
+ }
+-
+-unsigned long arch_align_stack(unsigned long sp)
+-{
+- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+- sp -= get_random_int() & ~PAGE_MASK;
+- return sp & ~0xf;
+-}
+-
+-static inline unsigned long brk_rnd(void)
+-{
+- /* 8MB for 32bit, 1GB for 64bit */
+- if (is_32bit_task())
+- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT;
+- else
+- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT;
+-}
+-
+-unsigned long arch_randomize_brk(struct mm_struct *mm)
+-{
+- unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd());
+-
+- if (ret < mm->brk)
+- return mm->brk;
+- return ret;
+-}
+-
+-unsigned long randomize_et_dyn(unsigned long base)
+-{
+- unsigned long ret = PAGE_ALIGN(base + brk_rnd());
+-
+- if (!(current->flags & PF_RANDOMIZE))
+- return base;
+- if (ret < base)
+- return base;
+- return ret;
+-}
+diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
+index c59a5ef..3fae59c 100644
+--- a/arch/s390/mm/mmap.c
++++ b/arch/s390/mm/mmap.c
+@@ -90,10 +90,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ */
+ if (mmap_is_legacy()) {
+ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+ mm->mmap_base = mmap_base();
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+@@ -172,10 +184,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ */
+ if (mmap_is_legacy()) {
+ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = s390_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+ mm->mmap_base = mmap_base();
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = s390_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
+index ae3d59f..f65f075 100644
+--- a/arch/score/include/asm/cache.h
++++ b/arch/score/include/asm/cache.h
+@@ -1,7 +1,9 @@
+ #ifndef _ASM_SCORE_CACHE_H
+ #define _ASM_SCORE_CACHE_H
+
++#include <linux/const.h>
++
+ #define L1_CACHE_SHIFT 4
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #endif /* _ASM_SCORE_CACHE_H */
+diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
+index f9f3cd5..58ff438 100644
+--- a/arch/score/include/asm/exec.h
++++ b/arch/score/include/asm/exec.h
+@@ -1,6 +1,6 @@
+ #ifndef _ASM_SCORE_EXEC_H
+ #define _ASM_SCORE_EXEC_H
+
+-extern unsigned long arch_align_stack(unsigned long sp);
++#define arch_align_stack(x) (x)
+
+ #endif /* _ASM_SCORE_EXEC_H */
+diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
+index 637970c..0b6556b 100644
+--- a/arch/score/kernel/process.c
++++ b/arch/score/kernel/process.c
+@@ -161,8 +161,3 @@ unsigned long get_wchan(struct task_struct *task)
+
+ return task_pt_regs(task)->cp0_epc;
+ }
+-
+-unsigned long arch_align_stack(unsigned long sp)
+-{
+- return sp;
+-}
+diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
+index ef9e555..331bd29 100644
+--- a/arch/sh/include/asm/cache.h
++++ b/arch/sh/include/asm/cache.h
+@@ -9,10 +9,11 @@
+ #define __ASM_SH_CACHE_H
+ #ifdef __KERNEL__
+
++#include <linux/const.h>
+ #include <linux/init.h>
+ #include <cpu/cache.h>
+
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define __read_mostly __attribute__((__section__(".data..read_mostly")))
+
+diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
+index afeb710..d1d1289 100644
+--- a/arch/sh/mm/mmap.c
++++ b/arch/sh/mm/mmap.c
+@@ -74,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+
+@@ -106,7 +105,7 @@ full_search:
+ }
+ return -ENOMEM;
+ }
+- if (likely(!vma || addr + len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -157,8 +156,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+
+@@ -179,7 +177,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ /* make sure it can fit in the remaining address space */
+ if (likely(addr > len)) {
+ vma = find_vma(mm, addr-len);
+- if (!vma || addr <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr - len, len)) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr-len);
+ }
+@@ -188,18 +186,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ if (unlikely(mm->mmap_base < len))
+ goto bottomup;
+
+- addr = mm->mmap_base-len;
+- if (do_colour_align)
+- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
++ addr = mm->mmap_base - len;
+
+ do {
++ if (do_colour_align)
++ addr = COLOUR_ALIGN_DOWN(addr, pgoff);
+ /*
+ * Lookup failure means no vma is above this address,
+ * else if new region fits below vma->vm_start,
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (likely(!vma || addr+len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr);
+ }
+@@ -209,10 +207,8 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = vma->vm_start-len;
+- if (do_colour_align)
+- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
+- } while (likely(len < vma->vm_start));
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ bottomup:
+ /*
+diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
+index ce35a1c..2e7b8f9 100644
+--- a/arch/sparc/include/asm/atomic_64.h
++++ b/arch/sparc/include/asm/atomic_64.h
+@@ -14,18 +14,40 @@
+ #define ATOMIC64_INIT(i) { (i) }
+
+ #define atomic_read(v) (*(volatile int *)&(v)->counter)
++static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
++{
++ return v->counter;
++}
+ #define atomic64_read(v) (*(volatile long *)&(v)->counter)
++static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
++{
++ return v->counter;
++}
+
+ #define atomic_set(v, i) (((v)->counter) = i)
++static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
++{
++ v->counter = i;
++}
+ #define atomic64_set(v, i) (((v)->counter) = i)
++static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
++{
++ v->counter = i;
++}
+
+ extern void atomic_add(int, atomic_t *);
++extern void atomic_add_unchecked(int, atomic_unchecked_t *);
+ extern void atomic64_add(long, atomic64_t *);
++extern void atomic64_add_unchecked(long, atomic64_unchecked_t *);
+ extern void atomic_sub(int, atomic_t *);
++extern void atomic_sub_unchecked(int, atomic_unchecked_t *);
+ extern void atomic64_sub(long, atomic64_t *);
++extern void atomic64_sub_unchecked(long, atomic64_unchecked_t *);
+
+ extern int atomic_add_ret(int, atomic_t *);
++extern int atomic_add_ret_unchecked(int, atomic_unchecked_t *);
+ extern long atomic64_add_ret(long, atomic64_t *);
++extern long atomic64_add_ret_unchecked(long, atomic64_unchecked_t *);
+ extern int atomic_sub_ret(int, atomic_t *);
+ extern long atomic64_sub_ret(long, atomic64_t *);
+
+@@ -33,13 +55,29 @@ extern long atomic64_sub_ret(long, atomic64_t *);
+ #define atomic64_dec_return(v) atomic64_sub_ret(1, v)
+
+ #define atomic_inc_return(v) atomic_add_ret(1, v)
++static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
++{
++ return atomic_add_ret_unchecked(1, v);
++}
+ #define atomic64_inc_return(v) atomic64_add_ret(1, v)
++static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
++{
++ return atomic64_add_ret_unchecked(1, v);
++}
+
+ #define atomic_sub_return(i, v) atomic_sub_ret(i, v)
+ #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v)
+
+ #define atomic_add_return(i, v) atomic_add_ret(i, v)
++static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
++{
++ return atomic_add_ret_unchecked(i, v);
++}
+ #define atomic64_add_return(i, v) atomic64_add_ret(i, v)
++static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v)
++{
++ return atomic64_add_ret_unchecked(i, v);
++}
+
+ /*
+ * atomic_inc_and_test - increment and test
+@@ -50,6 +88,10 @@ extern long atomic64_sub_ret(long, atomic64_t *);
+ * other cases.
+ */
+ #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
++static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
++{
++ return atomic_inc_return_unchecked(v) == 0;
++}
+ #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
+
+ #define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0)
+@@ -59,25 +101,60 @@ extern long atomic64_sub_ret(long, atomic64_t *);
+ #define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0)
+
+ #define atomic_inc(v) atomic_add(1, v)
++static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
++{
++ atomic_add_unchecked(1, v);
++}
+ #define atomic64_inc(v) atomic64_add(1, v)
++static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
++{
++ atomic64_add_unchecked(1, v);
++}
+
+ #define atomic_dec(v) atomic_sub(1, v)
++static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
++{
++ atomic_sub_unchecked(1, v);
++}
+ #define atomic64_dec(v) atomic64_sub(1, v)
++static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
++{
++ atomic64_sub_unchecked(1, v);
++}
+
+ #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0)
+ #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
+
+ #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
++static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
++{
++ return cmpxchg(&v->counter, old, new);
++}
+ #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
++static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
++{
++ return xchg(&v->counter, new);
++}
+
+ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ {
+- int c, old;
++ int c, old, new;
+ c = atomic_read(v);
+ for (;;) {
+- if (unlikely(c == (u)))
++ if (unlikely(c == u))
+ break;
+- old = atomic_cmpxchg((v), c, c + (a));
++
++ asm volatile("addcc %2, %0, %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "tvs %%icc, 6\n"
++#endif
++
++ : "=r" (new)
++ : "0" (c), "ir" (a)
++ : "cc");
++
++ old = atomic_cmpxchg(v, c, new);
+ if (likely(old == c))
+ break;
+ c = old;
+@@ -88,20 +165,35 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ #define atomic64_cmpxchg(v, o, n) \
+ ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
+ #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
++static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new)
++{
++ return xchg(&v->counter, new);
++}
+
+ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
+ {
+- long c, old;
++ long c, old, new;
+ c = atomic64_read(v);
+ for (;;) {
+- if (unlikely(c == (u)))
++ if (unlikely(c == u))
+ break;
+- old = atomic64_cmpxchg((v), c, c + (a));
++
++ asm volatile("addcc %2, %0, %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "tvs %%xcc, 6\n"
++#endif
++
++ : "=r" (new)
++ : "0" (c), "ir" (a)
++ : "cc");
++
++ old = atomic64_cmpxchg(v, c, new);
+ if (likely(old == c))
+ break;
+ c = old;
+ }
+- return c != (u);
++ return c != u;
+ }
+
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
+index 5bb6991..5c2132e 100644
+--- a/arch/sparc/include/asm/cache.h
++++ b/arch/sparc/include/asm/cache.h
+@@ -7,10 +7,12 @@
+ #ifndef _SPARC_CACHE_H
+ #define _SPARC_CACHE_H
+
++#include <linux/const.h>
++
+ #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+
+ #define L1_CACHE_SHIFT 5
+-#define L1_CACHE_BYTES 32
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #ifdef CONFIG_SPARC32
+ #define SMP_CACHE_BYTES_SHIFT 5
+diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
+index 2d4d755..81b6662 100644
+--- a/arch/sparc/include/asm/elf_32.h
++++ b/arch/sparc/include/asm/elf_32.h
+@@ -114,6 +114,13 @@ typedef struct {
+
+ #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE 0x10000UL
++
++#define PAX_DELTA_MMAP_LEN 16
++#define PAX_DELTA_STACK_LEN 16
++#endif
++
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this cpu supports. This can NOT be done in userspace
+ on Sparc. */
+diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
+index 7df8b7f..4946269 100644
+--- a/arch/sparc/include/asm/elf_64.h
++++ b/arch/sparc/include/asm/elf_64.h
+@@ -180,6 +180,13 @@ typedef struct {
+ #define ELF_ET_DYN_BASE 0x0000010000000000UL
+ #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
+
++#ifdef CONFIG_PAX_ASLR
++#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL)
++
++#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28)
++#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29)
++#endif
++
+ extern unsigned long sparc64_elf_hwcap;
+ #define ELF_HWCAP sparc64_elf_hwcap
+
+diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
+index 9b1c36d..209298b 100644
+--- a/arch/sparc/include/asm/pgalloc_32.h
++++ b/arch/sparc/include/asm/pgalloc_32.h
+@@ -33,6 +33,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
+ }
+
+ #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
++#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD))
+
+ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
+ unsigned long address)
+diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
+index 40b2d7a..22a665b 100644
+--- a/arch/sparc/include/asm/pgalloc_64.h
++++ b/arch/sparc/include/asm/pgalloc_64.h
+@@ -26,6 +26,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+ }
+
+ #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
++#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD))
+
+ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
+ {
+diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
+index 6fc1348..390c50a 100644
+--- a/arch/sparc/include/asm/pgtable_32.h
++++ b/arch/sparc/include/asm/pgtable_32.h
+@@ -50,6 +50,9 @@ extern unsigned long calc_highpages(void);
+ #define PAGE_SHARED SRMMU_PAGE_SHARED
+ #define PAGE_COPY SRMMU_PAGE_COPY
+ #define PAGE_READONLY SRMMU_PAGE_RDONLY
++#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC
++#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC
++#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC
+ #define PAGE_KERNEL SRMMU_PAGE_KERNEL
+
+ /* Top-level page directory - dummy used by init-mm.
+@@ -62,18 +65,18 @@ extern unsigned long ptr_in_current_pgd;
+
+ /* xwr */
+ #define __P000 PAGE_NONE
+-#define __P001 PAGE_READONLY
+-#define __P010 PAGE_COPY
+-#define __P011 PAGE_COPY
++#define __P001 PAGE_READONLY_NOEXEC
++#define __P010 PAGE_COPY_NOEXEC
++#define __P011 PAGE_COPY_NOEXEC
+ #define __P100 PAGE_READONLY
+ #define __P101 PAGE_READONLY
+ #define __P110 PAGE_COPY
+ #define __P111 PAGE_COPY
+
+ #define __S000 PAGE_NONE
+-#define __S001 PAGE_READONLY
+-#define __S010 PAGE_SHARED
+-#define __S011 PAGE_SHARED
++#define __S001 PAGE_READONLY_NOEXEC
++#define __S010 PAGE_SHARED_NOEXEC
++#define __S011 PAGE_SHARED_NOEXEC
+ #define __S100 PAGE_READONLY
+ #define __S101 PAGE_READONLY
+ #define __S110 PAGE_SHARED
+diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
+index 79da178..c2eede8 100644
+--- a/arch/sparc/include/asm/pgtsrmmu.h
++++ b/arch/sparc/include/asm/pgtsrmmu.h
+@@ -115,6 +115,11 @@
+ SRMMU_EXEC | SRMMU_REF)
+ #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \
+ SRMMU_EXEC | SRMMU_REF)
++
++#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF)
++#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
++#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
++
+ #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \
+ SRMMU_DIRTY | SRMMU_REF)
+
+diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
+index 9689176..63c18ea 100644
+--- a/arch/sparc/include/asm/spinlock_64.h
++++ b/arch/sparc/include/asm/spinlock_64.h
+@@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla
+
+ /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
+
+-static void inline arch_read_lock(arch_rwlock_t *lock)
++static inline void arch_read_lock(arch_rwlock_t *lock)
+ {
+ unsigned long tmp1, tmp2;
+
+ __asm__ __volatile__ (
+ "1: ldsw [%2], %0\n"
+ " brlz,pn %0, 2f\n"
+-"4: add %0, 1, %1\n"
++"4: addcc %0, 1, %1\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" tvs %%icc, 6\n"
++#endif
++
+ " cas [%2], %0, %1\n"
+ " cmp %0, %1\n"
+ " bne,pn %%icc, 1b\n"
+@@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_rwlock_t *lock)
+ " .previous"
+ : "=&r" (tmp1), "=&r" (tmp2)
+ : "r" (lock)
+- : "memory");
++ : "memory", "cc");
+ }
+
+-static int inline arch_read_trylock(arch_rwlock_t *lock)
++static inline int arch_read_trylock(arch_rwlock_t *lock)
+ {
+ int tmp1, tmp2;
+
+@@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
+ "1: ldsw [%2], %0\n"
+ " brlz,a,pn %0, 2f\n"
+ " mov 0, %0\n"
+-" add %0, 1, %1\n"
++" addcc %0, 1, %1\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" tvs %%icc, 6\n"
++#endif
++
+ " cas [%2], %0, %1\n"
+ " cmp %0, %1\n"
+ " bne,pn %%icc, 1b\n"
+@@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
+ return tmp1;
+ }
+
+-static void inline arch_read_unlock(arch_rwlock_t *lock)
++static inline void arch_read_unlock(arch_rwlock_t *lock)
+ {
+ unsigned long tmp1, tmp2;
+
+ __asm__ __volatile__(
+ "1: lduw [%2], %0\n"
+-" sub %0, 1, %1\n"
++" subcc %0, 1, %1\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++" tvs %%icc, 6\n"
++#endif
++
+ " cas [%2], %0, %1\n"
+ " cmp %0, %1\n"
+ " bne,pn %%xcc, 1b\n"
+@@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock)
+ : "memory");
+ }
+
+-static void inline arch_write_lock(arch_rwlock_t *lock)
++static inline void arch_write_lock(arch_rwlock_t *lock)
+ {
+ unsigned long mask, tmp1, tmp2;
+
+@@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock)
+ : "memory");
+ }
+
+-static void inline arch_write_unlock(arch_rwlock_t *lock)
++static inline void arch_write_unlock(arch_rwlock_t *lock)
+ {
+ __asm__ __volatile__(
+ " stw %%g0, [%0]"
+@@ -186,7 +201,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock)
+ : "memory");
+ }
+
+-static int inline arch_write_trylock(arch_rwlock_t *lock)
++static inline int arch_write_trylock(arch_rwlock_t *lock)
+ {
+ unsigned long mask, tmp1, tmp2, result;
+
+diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
+index e6cd224..3a71793 100644
+--- a/arch/sparc/include/asm/thread_info_32.h
++++ b/arch/sparc/include/asm/thread_info_32.h
+@@ -49,6 +49,8 @@ struct thread_info {
+ unsigned long w_saved;
+
+ struct restart_block restart_block;
++
++ unsigned long lowest_stack;
+ };
+
+ /*
+diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
+index cfa8c38..13f30d3 100644
+--- a/arch/sparc/include/asm/thread_info_64.h
++++ b/arch/sparc/include/asm/thread_info_64.h
+@@ -63,6 +63,8 @@ struct thread_info {
+ struct pt_regs *kern_una_regs;
+ unsigned int kern_una_insn;
+
++ unsigned long lowest_stack;
++
+ unsigned long fpregs[0] __attribute__ ((aligned(64)));
+ };
+
+@@ -193,10 +195,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
+ #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
+ /* flag bit 6 is available */
+ #define TIF_32BIT 7 /* 32-bit binary */
+-/* flag bit 8 is available */
++#define TIF_GRSEC_SETXID 8 /* update credentials on syscall entry/exit */
+ #define TIF_SECCOMP 9 /* secure computing */
+ #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
+ #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
++
+ /* NOTE: Thread flags >= 12 should be ones we have no interest
+ * in using in assembly, else we can't use the mask as
+ * an immediate value in instructions such as andcc.
+@@ -215,12 +218,18 @@ register struct thread_info *current_thread_info_reg asm("g6");
+ #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
+ #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
+ #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
++#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
+
+ #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
+ _TIF_DO_NOTIFY_RESUME_MASK | \
+ _TIF_NEED_RESCHED)
+ #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
+
++#define _TIF_WORK_SYSCALL \
++ (_TIF_SYSCALL_TRACE | _TIF_SECCOMP | _TIF_SYSCALL_AUDIT | \
++ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
++
++
+ /*
+ * Thread-synchronous status.
+ *
+diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
+index 0167d26..9acd8ed 100644
+--- a/arch/sparc/include/asm/uaccess.h
++++ b/arch/sparc/include/asm/uaccess.h
+@@ -1,5 +1,13 @@
+ #ifndef ___ASM_SPARC_UACCESS_H
+ #define ___ASM_SPARC_UACCESS_H
++
++#ifdef __KERNEL__
++#ifndef __ASSEMBLY__
++#include <linux/types.h>
++extern void check_object_size(const void *ptr, unsigned long n, bool to);
++#endif
++#endif
++
+ #if defined(__sparc__) && defined(__arch64__)
+ #include <asm/uaccess_64.h>
+ #else
+diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
+index 53a28dd..50c38c3 100644
+--- a/arch/sparc/include/asm/uaccess_32.h
++++ b/arch/sparc/include/asm/uaccess_32.h
+@@ -250,27 +250,46 @@ extern unsigned long __copy_user(void __user *to, const void __user *from, unsig
+
+ static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
+- if (n && __access_ok((unsigned long) to, n))
++ if ((long)n < 0)
++ return n;
++
++ if (n && __access_ok((unsigned long) to, n)) {
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
+ return __copy_user(to, (__force void __user *) from, n);
+- else
++ } else
+ return n;
+ }
+
+ static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
++
+ return __copy_user(to, (__force void __user *) from, n);
+ }
+
+ static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
+- if (n && __access_ok((unsigned long) from, n))
++ if ((long)n < 0)
++ return n;
++
++ if (n && __access_ok((unsigned long) from, n)) {
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
+ return __copy_user((__force void __user *) to, from, n);
+- else
++ } else
+ return n;
+ }
+
+ static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ return __copy_user((__force void __user *) to, from, n);
+ }
+
+diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
+index 7c831d8..d440ca7 100644
+--- a/arch/sparc/include/asm/uaccess_64.h
++++ b/arch/sparc/include/asm/uaccess_64.h
+@@ -10,6 +10,7 @@
+ #include <linux/compiler.h>
+ #include <linux/string.h>
+ #include <linux/thread_info.h>
++#include <linux/kernel.h>
+ #include <asm/asi.h>
+ #include <asm/spitfire.h>
+ #include <asm-generic/uaccess-unaligned.h>
+@@ -214,8 +215,15 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
+ static inline unsigned long __must_check
+ copy_from_user(void *to, const void __user *from, unsigned long size)
+ {
+- unsigned long ret = ___copy_from_user(to, from, size);
++ unsigned long ret;
+
++ if ((long)size < 0 || size > INT_MAX)
++ return size;
++
++ if (!__builtin_constant_p(size))
++ check_object_size(to, size, false);
++
++ ret = ___copy_from_user(to, from, size);
+ if (unlikely(ret))
+ ret = copy_from_user_fixup(to, from, size);
+
+@@ -231,8 +239,15 @@ extern unsigned long copy_to_user_fixup(void __user *to, const void *from,
+ static inline unsigned long __must_check
+ copy_to_user(void __user *to, const void *from, unsigned long size)
+ {
+- unsigned long ret = ___copy_to_user(to, from, size);
++ unsigned long ret;
+
++ if ((long)size < 0 || size > INT_MAX)
++ return size;
++
++ if (!__builtin_constant_p(size))
++ check_object_size(from, size, true);
++
++ ret = ___copy_to_user(to, from, size);
+ if (unlikely(ret))
+ ret = copy_to_user_fixup(to, from, size);
+ return ret;
+diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
+index 6cf591b..b49e65a 100644
+--- a/arch/sparc/kernel/Makefile
++++ b/arch/sparc/kernel/Makefile
+@@ -3,7 +3,7 @@
+ #
+
+ asflags-y := -ansi
+-ccflags-y := -Werror
++#ccflags-y := -Werror
+
+ extra-y := head_$(BITS).o
+
+diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
+index 14006d8..8146238 100644
+--- a/arch/sparc/kernel/process_32.c
++++ b/arch/sparc/kernel/process_32.c
+@@ -126,14 +126,14 @@ void show_regs(struct pt_regs *r)
+
+ printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
+ r->psr, r->pc, r->npc, r->y, print_tainted());
+- printk("PC: <%pS>\n", (void *) r->pc);
++ printk("PC: <%pA>\n", (void *) r->pc);
+ printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3],
+ r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]);
+ printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11],
+ r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]);
+- printk("RPC: <%pS>\n", (void *) r->u_regs[15]);
++ printk("RPC: <%pA>\n", (void *) r->u_regs[15]);
+
+ printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3],
+@@ -168,7 +168,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
+ rw = (struct reg_window32 *) fp;
+ pc = rw->ins[7];
+ printk("[%08lx : ", pc);
+- printk("%pS ] ", (void *) pc);
++ printk("%pA ] ", (void *) pc);
+ fp = rw->ins[6];
+ } while (++count < 16);
+ printk("\n");
+diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
+index aff0c72..9067b39 100644
+--- a/arch/sparc/kernel/process_64.c
++++ b/arch/sparc/kernel/process_64.c
+@@ -179,14 +179,14 @@ static void show_regwindow(struct pt_regs *regs)
+ printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n",
+ rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]);
+ if (regs->tstate & TSTATE_PRIV)
+- printk("I7: <%pS>\n", (void *) rwk->ins[7]);
++ printk("I7: <%pA>\n", (void *) rwk->ins[7]);
+ }
+
+ void show_regs(struct pt_regs *regs)
+ {
+ printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
+ regs->tpc, regs->tnpc, regs->y, print_tainted());
+- printk("TPC: <%pS>\n", (void *) regs->tpc);
++ printk("TPC: <%pA>\n", (void *) regs->tpc);
+ printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n",
+ regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
+ regs->u_regs[3]);
+@@ -199,7 +199,7 @@ void show_regs(struct pt_regs *regs)
+ printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n",
+ regs->u_regs[12], regs->u_regs[13], regs->u_regs[14],
+ regs->u_regs[15]);
+- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]);
++ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]);
+ show_regwindow(regs);
+ show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]);
+ }
+@@ -284,7 +284,7 @@ void arch_trigger_all_cpu_backtrace(void)
+ ((tp && tp->task) ? tp->task->pid : -1));
+
+ if (gp->tstate & TSTATE_PRIV) {
+- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n",
++ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n",
+ (void *) gp->tpc,
+ (void *) gp->o7,
+ (void *) gp->i7,
+diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
+index 484daba..0674139 100644
+--- a/arch/sparc/kernel/ptrace_64.c
++++ b/arch/sparc/kernel/ptrace_64.c
+@@ -1057,6 +1057,10 @@ long arch_ptrace(struct task_struct *child, long request,
+ return ret;
+ }
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern void gr_delayed_cred_worker(void);
++#endif
++
+ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
+ {
+ int ret = 0;
+@@ -1064,6 +1068,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
+ /* do the secure computing check first */
+ secure_computing_strict(regs->u_regs[UREG_G1]);
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ if (test_thread_flag(TIF_SYSCALL_TRACE))
+ ret = tracehook_report_syscall_entry(regs);
+
+@@ -1084,6 +1093,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
+
+ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
+ {
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ audit_syscall_exit(regs);
+
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
+index 0c9b31b..7cb7aee 100644
+--- a/arch/sparc/kernel/sys_sparc_32.c
++++ b/arch/sparc/kernel/sys_sparc_32.c
+@@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ if (len > TASK_SIZE - PAGE_SIZE)
+ return -ENOMEM;
+ if (!addr)
+- addr = TASK_UNMAPPED_BASE;
++ addr = current->mm->mmap_base;
+
+ if (flags & MAP_SHARED)
+ addr = COLOUR_ALIGN(addr);
+@@ -65,7 +65,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ /* At this point: (!vmm || addr < vmm->vm_end). */
+ if (TASK_SIZE - PAGE_SIZE - len < addr)
+ return -ENOMEM;
+- if (!vmm || addr + len <= vmm->vm_start)
++ if (check_heap_stack_gap(vmm, addr, len))
+ return addr;
+ addr = vmm->vm_end;
+ if (flags & MAP_SHARED)
+diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
+index 11c6c96..3ec33e8 100644
+--- a/arch/sparc/kernel/sys_sparc_64.c
++++ b/arch/sparc/kernel/sys_sparc_64.c
+@@ -107,7 +107,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ /* We do not accept a shared mapping if it would violate
+ * cache aliasing constraints.
+ */
+- if ((flags & MAP_SHARED) &&
++ if ((filp || (flags & MAP_SHARED)) &&
+ ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
+ return -EINVAL;
+ return addr;
+@@ -122,6 +122,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ if (filp || (flags & MAP_SHARED))
+ do_color_align = 1;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ if (do_color_align)
+ addr = COLOUR_ALIGN(addr, pgoff);
+@@ -129,15 +133,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (task_size - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+
+ if (len > mm->cached_hole_size) {
+- start_addr = addr = mm->free_area_cache;
++ start_addr = addr = mm->free_area_cache;
+ } else {
+- start_addr = addr = TASK_UNMAPPED_BASE;
++ start_addr = addr = mm->mmap_base;
+ mm->cached_hole_size = 0;
+ }
+
+@@ -157,14 +160,14 @@ full_search:
+ vma = find_vma(mm, VA_EXCLUDE_END);
+ }
+ if (unlikely(task_size < addr)) {
+- if (start_addr != TASK_UNMAPPED_BASE) {
+- start_addr = addr = TASK_UNMAPPED_BASE;
++ if (start_addr != mm->mmap_base) {
++ start_addr = addr = mm->mmap_base;
+ mm->cached_hole_size = 0;
+ goto full_search;
+ }
+ return -ENOMEM;
+ }
+- if (likely(!vma || addr + len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -198,7 +201,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ /* We do not accept a shared mapping if it would violate
+ * cache aliasing constraints.
+ */
+- if ((flags & MAP_SHARED) &&
++ if ((filp || (flags & MAP_SHARED)) &&
+ ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
+ return -EINVAL;
+ return addr;
+@@ -219,8 +222,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ addr = PAGE_ALIGN(addr);
+
+ vma = find_vma(mm, addr);
+- if (task_size - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+
+@@ -241,7 +243,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ /* make sure it can fit in the remaining address space */
+ if (likely(addr > len)) {
+ vma = find_vma(mm, addr-len);
+- if (!vma || addr <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr - len, len)) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr-len);
+ }
+@@ -250,18 +252,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ if (unlikely(mm->mmap_base < len))
+ goto bottomup;
+
+- addr = mm->mmap_base-len;
+- if (do_color_align)
+- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
++ addr = mm->mmap_base - len;
+
+ do {
++ if (do_color_align)
++ addr = COLOUR_ALIGN_DOWN(addr, pgoff);
+ /*
+ * Lookup failure means no vma is above this address,
+ * else if new region fits below vma->vm_start,
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (likely(!vma || addr+len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr);
+ }
+@@ -271,10 +273,8 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = vma->vm_start-len;
+- if (do_color_align)
+- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
+- } while (likely(len < vma->vm_start));
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ bottomup:
+ /*
+@@ -373,6 +373,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ gap == RLIM_INFINITY ||
+ sysctl_legacy_va_layout) {
+ mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+@@ -385,6 +391,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ gap = (task_size / 6 * 5);
+
+ mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor);
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
+index 7f5f65d..3308382 100644
+--- a/arch/sparc/kernel/syscalls.S
++++ b/arch/sparc/kernel/syscalls.S
+@@ -62,7 +62,7 @@ sys32_rt_sigreturn:
+ #endif
+ .align 32
+ 1: ldx [%g6 + TI_FLAGS], %l5
+- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
++ andcc %l5, _TIF_WORK_SYSCALL, %g0
+ be,pt %icc, rtrap
+ nop
+ call syscall_trace_leave
+@@ -179,7 +179,7 @@ linux_sparc_syscall32:
+
+ srl %i5, 0, %o5 ! IEU1
+ srl %i2, 0, %o2 ! IEU0 Group
+- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
++ andcc %l0, _TIF_WORK_SYSCALL, %g0
+ bne,pn %icc, linux_syscall_trace32 ! CTI
+ mov %i0, %l5 ! IEU1
+ call %l7 ! CTI Group brk forced
+@@ -202,7 +202,7 @@ linux_sparc_syscall:
+
+ mov %i3, %o3 ! IEU1
+ mov %i4, %o4 ! IEU0 Group
+- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
++ andcc %l0, _TIF_WORK_SYSCALL, %g0
+ bne,pn %icc, linux_syscall_trace ! CTI Group
+ mov %i0, %l5 ! IEU0
+ 2: call %l7 ! CTI Group brk forced
+@@ -218,7 +218,7 @@ ret_sys_call:
+
+ cmp %o0, -ERESTART_RESTARTBLOCK
+ bgeu,pn %xcc, 1f
+- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
++ andcc %l0, _TIF_WORK_SYSCALL, %g0
+ ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc
+
+ 2:
+diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
+index a5785ea..405c5f7 100644
+--- a/arch/sparc/kernel/traps_32.c
++++ b/arch/sparc/kernel/traps_32.c
+@@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc)
+ #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
+ #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
+
++extern void gr_handle_kernel_exploit(void);
++
+ void die_if_kernel(char *str, struct pt_regs *regs)
+ {
+ static int die_counter;
+@@ -76,15 +78,17 @@ void die_if_kernel(char *str, struct pt_regs *regs)
+ count++ < 30 &&
+ (((unsigned long) rw) >= PAGE_OFFSET) &&
+ !(((unsigned long) rw) & 0x7)) {
+- printk("Caller[%08lx]: %pS\n", rw->ins[7],
++ printk("Caller[%08lx]: %pA\n", rw->ins[7],
+ (void *) rw->ins[7]);
+ rw = (struct reg_window32 *)rw->ins[6];
+ }
+ }
+ printk("Instruction DUMP:");
+ instruction_dump ((unsigned long *) regs->pc);
+- if(regs->psr & PSR_PS)
++ if(regs->psr & PSR_PS) {
++ gr_handle_kernel_exploit();
+ do_exit(SIGKILL);
++ }
+ do_exit(SIGSEGV);
+ }
+
+diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
+index 3b05e66..6ea2917 100644
+--- a/arch/sparc/kernel/traps_64.c
++++ b/arch/sparc/kernel/traps_64.c
+@@ -75,7 +75,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
+ i + 1,
+ p->trapstack[i].tstate, p->trapstack[i].tpc,
+ p->trapstack[i].tnpc, p->trapstack[i].tt);
+- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc);
++ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc);
+ }
+ }
+
+@@ -95,6 +95,12 @@ void bad_trap(struct pt_regs *regs, long lvl)
+
+ lvl -= 0x100;
+ if (regs->tstate & TSTATE_PRIV) {
++
++#ifdef CONFIG_PAX_REFCOUNT
++ if (lvl == 6)
++ pax_report_refcount_overflow(regs);
++#endif
++
+ sprintf(buffer, "Kernel bad sw trap %lx", lvl);
+ die_if_kernel(buffer, regs);
+ }
+@@ -113,11 +119,16 @@ void bad_trap(struct pt_regs *regs, long lvl)
+ void bad_trap_tl1(struct pt_regs *regs, long lvl)
+ {
+ char buffer[32];
+-
++
+ if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs,
+ 0, lvl, SIGTRAP) == NOTIFY_STOP)
+ return;
+
++#ifdef CONFIG_PAX_REFCOUNT
++ if (lvl == 6)
++ pax_report_refcount_overflow(regs);
++#endif
++
+ dump_tl1_traplog((struct tl1_traplog *)(regs + 1));
+
+ sprintf (buffer, "Bad trap %lx at tl>0", lvl);
+@@ -1141,7 +1152,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
+ regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
+ printk("%s" "ERROR(%d): ",
+ (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id());
+- printk("TPC<%pS>\n", (void *) regs->tpc);
++ printk("TPC<%pA>\n", (void *) regs->tpc);
+ printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n",
+ (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
+ (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,
+@@ -1748,7 +1759,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
+ smp_processor_id(),
+ (type & 0x1) ? 'I' : 'D',
+ regs->tpc);
+- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc);
++ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc);
+ panic("Irrecoverable Cheetah+ parity error.");
+ }
+
+@@ -1756,7 +1767,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
+ smp_processor_id(),
+ (type & 0x1) ? 'I' : 'D',
+ regs->tpc);
+- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc);
++ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc);
+ }
+
+ struct sun4v_error_entry {
+@@ -1963,9 +1974,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
+
+ printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
+ regs->tpc, tl);
+- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc);
++ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc);
+ printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n",
++ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n",
+ (void *) regs->u_regs[UREG_I7]);
+ printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
+ "pte[%lx] error[%lx]\n",
+@@ -1987,9 +1998,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
+
+ printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
+ regs->tpc, tl);
+- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc);
++ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc);
+ printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n",
++ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n",
+ (void *) regs->u_regs[UREG_I7]);
+ printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
+ "pte[%lx] error[%lx]\n",
+@@ -2195,13 +2206,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
+ fp = (unsigned long)sf->fp + STACK_BIAS;
+ }
+
+- printk(" [%016lx] %pS\n", pc, (void *) pc);
++ printk(" [%016lx] %pA\n", pc, (void *) pc);
+ #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ if ((pc + 8UL) == (unsigned long) &return_to_handler) {
+ int index = tsk->curr_ret_stack;
+ if (tsk->ret_stack && index >= graph) {
+ pc = tsk->ret_stack[index - graph].ret;
+- printk(" [%016lx] %pS\n", pc, (void *) pc);
++ printk(" [%016lx] %pA\n", pc, (void *) pc);
+ graph++;
+ }
+ }
+@@ -2226,6 +2237,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
+ return (struct reg_window *) (fp + STACK_BIAS);
+ }
+
++extern void gr_handle_kernel_exploit(void);
++
+ void die_if_kernel(char *str, struct pt_regs *regs)
+ {
+ static int die_counter;
+@@ -2254,7 +2267,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
+ while (rw &&
+ count++ < 30 &&
+ kstack_valid(tp, (unsigned long) rw)) {
+- printk("Caller[%016lx]: %pS\n", rw->ins[7],
++ printk("Caller[%016lx]: %pA\n", rw->ins[7],
+ (void *) rw->ins[7]);
+
+ rw = kernel_stack_up(rw);
+@@ -2267,8 +2280,10 @@ void die_if_kernel(char *str, struct pt_regs *regs)
+ }
+ user_instruction_dump ((unsigned int __user *) regs->tpc);
+ }
+- if (regs->tstate & TSTATE_PRIV)
++ if (regs->tstate & TSTATE_PRIV) {
++ gr_handle_kernel_exploit();
+ do_exit(SIGKILL);
++ }
+ do_exit(SIGSEGV);
+ }
+ EXPORT_SYMBOL(die_if_kernel);
+diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
+index f81d038..e7a4680 100644
+--- a/arch/sparc/kernel/unaligned_64.c
++++ b/arch/sparc/kernel/unaligned_64.c
+@@ -278,7 +278,7 @@ static void log_unaligned(struct pt_regs *regs)
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
+
+ if (__ratelimit(&ratelimit)) {
+- printk("Kernel unaligned access at TPC[%lx] %pS\n",
++ printk("Kernel unaligned access at TPC[%lx] %pA\n",
+ regs->tpc, (void *) regs->tpc);
+ }
+ }
+diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
+index dff4096..bd9a388 100644
+--- a/arch/sparc/lib/Makefile
++++ b/arch/sparc/lib/Makefile
+@@ -2,7 +2,7 @@
+ #
+
+ asflags-y := -ansi -DST_DIV0=0x02
+-ccflags-y := -Werror
++#ccflags-y := -Werror
+
+ lib-$(CONFIG_SPARC32) += ashrdi3.o
+ lib-$(CONFIG_SPARC32) += memcpy.o memset.o
+diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S
+index 4d502da..527c48d 100644
+--- a/arch/sparc/lib/atomic_64.S
++++ b/arch/sparc/lib/atomic_64.S
+@@ -17,7 +17,12 @@
+ ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: lduw [%o1], %g1
+- add %g1, %o0, %g7
++ addcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %icc, 6
++#endif
++
+ cas [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %icc, BACKOFF_LABEL(2f, 1b)
+@@ -27,10 +32,28 @@ ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic_add)
+
++ENTRY(atomic_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: lduw [%o1], %g1
++ add %g1, %o0, %g7
++ cas [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %icc, 2f
++ nop
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic_add_unchecked)
++
+ ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: lduw [%o1], %g1
+- sub %g1, %o0, %g7
++ subcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %icc, 6
++#endif
++
+ cas [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %icc, BACKOFF_LABEL(2f, 1b)
+@@ -40,10 +63,28 @@ ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic_sub)
+
++ENTRY(atomic_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: lduw [%o1], %g1
++ sub %g1, %o0, %g7
++ cas [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %icc, 2f
++ nop
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic_sub_unchecked)
++
+ ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: lduw [%o1], %g1
+- add %g1, %o0, %g7
++ addcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %icc, 6
++#endif
++
+ cas [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %icc, BACKOFF_LABEL(2f, 1b)
+@@ -53,10 +94,29 @@ ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic_add_ret)
+
++ENTRY(atomic_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: lduw [%o1], %g1
++ addcc %g1, %o0, %g7
++ cas [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %icc, 2f
++ add %g7, %o0, %g7
++ sra %g7, 0, %o0
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic_add_ret_unchecked)
++
+ ENTRY(atomic_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: lduw [%o1], %g1
+- sub %g1, %o0, %g7
++ subcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %icc, 6
++#endif
++
+ cas [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %icc, BACKOFF_LABEL(2f, 1b)
+@@ -69,7 +129,12 @@ ENDPROC(atomic_sub_ret)
+ ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: ldx [%o1], %g1
+- add %g1, %o0, %g7
++ addcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %xcc, 6
++#endif
++
+ casx [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
+@@ -79,10 +144,28 @@ ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic64_add)
+
++ENTRY(atomic64_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: ldx [%o1], %g1
++ addcc %g1, %o0, %g7
++ casx [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %xcc, 2f
++ nop
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic64_add_unchecked)
++
+ ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: ldx [%o1], %g1
+- sub %g1, %o0, %g7
++ subcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %xcc, 6
++#endif
++
+ casx [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
+@@ -92,10 +175,28 @@ ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic64_sub)
+
++ENTRY(atomic64_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: ldx [%o1], %g1
++ subcc %g1, %o0, %g7
++ casx [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %xcc, 2f
++ nop
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic64_sub_unchecked)
++
+ ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: ldx [%o1], %g1
+- add %g1, %o0, %g7
++ addcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %xcc, 6
++#endif
++
+ casx [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
+@@ -105,10 +206,29 @@ ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */
+ 2: BACKOFF_SPIN(%o2, %o3, 1b)
+ ENDPROC(atomic64_add_ret)
+
++ENTRY(atomic64_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */
++ BACKOFF_SETUP(%o2)
++1: ldx [%o1], %g1
++ addcc %g1, %o0, %g7
++ casx [%o1], %g1, %g7
++ cmp %g1, %g7
++ bne,pn %xcc, 2f
++ add %g7, %o0, %g7
++ mov %g7, %o0
++ retl
++ nop
++2: BACKOFF_SPIN(%o2, %o3, 1b)
++ENDPROC(atomic64_add_ret_unchecked)
++
+ ENTRY(atomic64_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
+ 1: ldx [%o1], %g1
+- sub %g1, %o0, %g7
++ subcc %g1, %o0, %g7
++
++#ifdef CONFIG_PAX_REFCOUNT
++ tvs %xcc, 6
++#endif
++
+ casx [%o1], %g1, %g7
+ cmp %g1, %g7
+ bne,pn %xcc, BACKOFF_LABEL(2f, 1b)
+diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
+index 3b31218..345c609 100644
+--- a/arch/sparc/lib/ksyms.c
++++ b/arch/sparc/lib/ksyms.c
+@@ -109,12 +109,18 @@ EXPORT_SYMBOL(__downgrade_write);
+
+ /* Atomic counter implementation. */
+ EXPORT_SYMBOL(atomic_add);
++EXPORT_SYMBOL(atomic_add_unchecked);
+ EXPORT_SYMBOL(atomic_add_ret);
++EXPORT_SYMBOL(atomic_add_ret_unchecked);
+ EXPORT_SYMBOL(atomic_sub);
++EXPORT_SYMBOL(atomic_sub_unchecked);
+ EXPORT_SYMBOL(atomic_sub_ret);
+ EXPORT_SYMBOL(atomic64_add);
++EXPORT_SYMBOL(atomic64_add_unchecked);
+ EXPORT_SYMBOL(atomic64_add_ret);
++EXPORT_SYMBOL(atomic64_add_ret_unchecked);
+ EXPORT_SYMBOL(atomic64_sub);
++EXPORT_SYMBOL(atomic64_sub_unchecked);
+ EXPORT_SYMBOL(atomic64_sub_ret);
+
+ /* Atomic bit operations. */
+diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
+index 30c3ecc..736f015 100644
+--- a/arch/sparc/mm/Makefile
++++ b/arch/sparc/mm/Makefile
+@@ -2,7 +2,7 @@
+ #
+
+ asflags-y := -ansi
+-ccflags-y := -Werror
++#ccflags-y := -Werror
+
+ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o
+ obj-y += fault_$(BITS).o
+diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
+index 77ac917..baf45db 100644
+--- a/arch/sparc/mm/fault_32.c
++++ b/arch/sparc/mm/fault_32.c
+@@ -21,6 +21,9 @@
+ #include <linux/perf_event.h>
+ #include <linux/interrupt.h>
+ #include <linux/kdebug.h>
++#include <linux/slab.h>
++#include <linux/pagemap.h>
++#include <linux/compiler.h>
+
+ #include <asm/page.h>
+ #include <asm/pgtable.h>
+@@ -159,6 +162,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
+ return safe_compute_effective_address(regs, insn);
+ }
+
++#ifdef CONFIG_PAX_PAGEEXEC
++#ifdef CONFIG_PAX_DLRESOLVE
++static void pax_emuplt_close(struct vm_area_struct *vma)
++{
++ vma->vm_mm->call_dl_resolve = 0UL;
++}
++
++static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
++{
++ unsigned int *kaddr;
++
++ vmf->page = alloc_page(GFP_HIGHUSER);
++ if (!vmf->page)
++ return VM_FAULT_OOM;
++
++ kaddr = kmap(vmf->page);
++ memset(kaddr, 0, PAGE_SIZE);
++ kaddr[0] = 0x9DE3BFA8U; /* save */
++ flush_dcache_page(vmf->page);
++ kunmap(vmf->page);
++ return VM_FAULT_MAJOR;
++}
++
++static const struct vm_operations_struct pax_vm_ops = {
++ .close = pax_emuplt_close,
++ .fault = pax_emuplt_fault
++};
++
++static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
++{
++ int ret;
++
++ INIT_LIST_HEAD(&vma->anon_vma_chain);
++ vma->vm_mm = current->mm;
++ vma->vm_start = addr;
++ vma->vm_end = addr + PAGE_SIZE;
++ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
++ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
++ vma->vm_ops = &pax_vm_ops;
++
++ ret = insert_vm_struct(current->mm, vma);
++ if (ret)
++ return ret;
++
++ ++current->mm->total_vm;
++ return 0;
++}
++#endif
++
++/*
++ * PaX: decide what to do with offenders (regs->pc = fault address)
++ *
++ * returns 1 when task should be killed
++ * 2 when patched PLT trampoline was detected
++ * 3 when unpatched PLT trampoline was detected
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++
++#ifdef CONFIG_PAX_EMUPLT
++ int err;
++
++ do { /* PaX: patched PLT emulation #1 */
++ unsigned int sethi1, sethi2, jmpl;
++
++ err = get_user(sethi1, (unsigned int *)regs->pc);
++ err |= get_user(sethi2, (unsigned int *)(regs->pc+4));
++ err |= get_user(jmpl, (unsigned int *)(regs->pc+8));
++
++ if (err)
++ break;
++
++ if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
++ (sethi2 & 0xFFC00000U) == 0x03000000U &&
++ (jmpl & 0xFFFFE000U) == 0x81C06000U)
++ {
++ unsigned int addr;
++
++ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
++ addr = regs->u_regs[UREG_G1];
++ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
++ regs->pc = addr;
++ regs->npc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #2 */
++ unsigned int ba;
++
++ err = get_user(ba, (unsigned int *)regs->pc);
++
++ if (err)
++ break;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
++ unsigned int addr;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U)
++ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
++ else
++ addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
++ regs->pc = addr;
++ regs->npc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #3 */
++ unsigned int sethi, bajmpl, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->pc);
++ err |= get_user(bajmpl, (unsigned int *)(regs->pc+4));
++ err |= get_user(nop, (unsigned int *)(regs->pc+8));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
++ nop == 0x01000000U)
++ {
++ unsigned int addr;
++
++ addr = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G1] = addr;
++ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
++ addr += (((bajmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
++ else
++ addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
++ regs->pc = addr;
++ regs->npc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: unpatched PLT emulation step 1 */
++ unsigned int sethi, ba, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->pc);
++ err |= get_user(ba, (unsigned int *)(regs->pc+4));
++ err |= get_user(nop, (unsigned int *)(regs->pc+8));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
++ nop == 0x01000000U)
++ {
++ unsigned int addr, save, call;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U)
++ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
++ else
++ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
++
++ err = get_user(save, (unsigned int *)addr);
++ err |= get_user(call, (unsigned int *)(addr+4));
++ err |= get_user(nop, (unsigned int *)(addr+8));
++ if (err)
++ break;
++
++#ifdef CONFIG_PAX_DLRESOLVE
++ if (save == 0x9DE3BFA8U &&
++ (call & 0xC0000000U) == 0x40000000U &&
++ nop == 0x01000000U)
++ {
++ struct vm_area_struct *vma;
++ unsigned long call_dl_resolve;
++
++ down_read(¤t->mm->mmap_sem);
++ call_dl_resolve = current->mm->call_dl_resolve;
++ up_read(¤t->mm->mmap_sem);
++ if (likely(call_dl_resolve))
++ goto emulate;
++
++ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
++
++ down_write(¤t->mm->mmap_sem);
++ if (current->mm->call_dl_resolve) {
++ call_dl_resolve = current->mm->call_dl_resolve;
++ up_write(¤t->mm->mmap_sem);
++ if (vma)
++ kmem_cache_free(vm_area_cachep, vma);
++ goto emulate;
++ }
++
++ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
++ if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
++ up_write(¤t->mm->mmap_sem);
++ if (vma)
++ kmem_cache_free(vm_area_cachep, vma);
++ return 1;
++ }
++
++ if (pax_insert_vma(vma, call_dl_resolve)) {
++ up_write(¤t->mm->mmap_sem);
++ kmem_cache_free(vm_area_cachep, vma);
++ return 1;
++ }
++
++ current->mm->call_dl_resolve = call_dl_resolve;
++ up_write(¤t->mm->mmap_sem);
++
++emulate:
++ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
++ regs->pc = call_dl_resolve;
++ regs->npc = addr+4;
++ return 3;
++ }
++#endif
++
++ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
++ if ((save & 0xFFC00000U) == 0x05000000U &&
++ (call & 0xFFFFE000U) == 0x85C0A000U &&
++ nop == 0x01000000U)
++ {
++ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G2] = addr + 4;
++ addr = (save & 0x003FFFFFU) << 10;
++ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
++ regs->pc = addr;
++ regs->npc = addr+4;
++ return 3;
++ }
++ }
++ } while (0);
++
++ do { /* PaX: unpatched PLT emulation step 2 */
++ unsigned int save, call, nop;
++
++ err = get_user(save, (unsigned int *)(regs->pc-4));
++ err |= get_user(call, (unsigned int *)regs->pc);
++ err |= get_user(nop, (unsigned int *)(regs->pc+4));
++ if (err)
++ break;
++
++ if (save == 0x9DE3BFA8U &&
++ (call & 0xC0000000U) == 0x40000000U &&
++ nop == 0x01000000U)
++ {
++ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2);
++
++ regs->u_regs[UREG_RETPC] = regs->pc;
++ regs->pc = dl_resolve;
++ regs->npc = dl_resolve+4;
++ return 3;
++ }
++ } while (0);
++#endif
++
++ return 1;
++}
++
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 8; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
+ int text_fault)
+ {
+@@ -230,6 +504,24 @@ good_area:
+ if (!(vma->vm_flags & VM_WRITE))
+ goto bad_area;
+ } else {
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) {
++ up_read(&mm->mmap_sem);
++ switch (pax_handle_fetch_fault(regs)) {
++
++#ifdef CONFIG_PAX_EMUPLT
++ case 2:
++ case 3:
++ return;
++#endif
++
++ }
++ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]);
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ /* Allow reads even for write-only mappings */
+ if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
+ goto bad_area;
+diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
+index 1fe0429..8dd5dd5 100644
+--- a/arch/sparc/mm/fault_64.c
++++ b/arch/sparc/mm/fault_64.c
+@@ -21,6 +21,9 @@
+ #include <linux/kprobes.h>
+ #include <linux/kdebug.h>
+ #include <linux/percpu.h>
++#include <linux/slab.h>
++#include <linux/pagemap.h>
++#include <linux/compiler.h>
+
+ #include <asm/page.h>
+ #include <asm/pgtable.h>
+@@ -74,7 +77,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
+ printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
+ regs->tpc);
+ printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
+- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]);
++ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]);
+ printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
+ dump_stack();
+ unhandled_fault(regs->tpc, current, regs);
+@@ -272,6 +275,466 @@ static void noinline __kprobes bogus_32bit_fault_address(struct pt_regs *regs,
+ show_regs(regs);
+ }
+
++#ifdef CONFIG_PAX_PAGEEXEC
++#ifdef CONFIG_PAX_DLRESOLVE
++static void pax_emuplt_close(struct vm_area_struct *vma)
++{
++ vma->vm_mm->call_dl_resolve = 0UL;
++}
++
++static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
++{
++ unsigned int *kaddr;
++
++ vmf->page = alloc_page(GFP_HIGHUSER);
++ if (!vmf->page)
++ return VM_FAULT_OOM;
++
++ kaddr = kmap(vmf->page);
++ memset(kaddr, 0, PAGE_SIZE);
++ kaddr[0] = 0x9DE3BFA8U; /* save */
++ flush_dcache_page(vmf->page);
++ kunmap(vmf->page);
++ return VM_FAULT_MAJOR;
++}
++
++static const struct vm_operations_struct pax_vm_ops = {
++ .close = pax_emuplt_close,
++ .fault = pax_emuplt_fault
++};
++
++static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
++{
++ int ret;
++
++ INIT_LIST_HEAD(&vma->anon_vma_chain);
++ vma->vm_mm = current->mm;
++ vma->vm_start = addr;
++ vma->vm_end = addr + PAGE_SIZE;
++ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
++ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
++ vma->vm_ops = &pax_vm_ops;
++
++ ret = insert_vm_struct(current->mm, vma);
++ if (ret)
++ return ret;
++
++ ++current->mm->total_vm;
++ return 0;
++}
++#endif
++
++/*
++ * PaX: decide what to do with offenders (regs->tpc = fault address)
++ *
++ * returns 1 when task should be killed
++ * 2 when patched PLT trampoline was detected
++ * 3 when unpatched PLT trampoline was detected
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++
++#ifdef CONFIG_PAX_EMUPLT
++ int err;
++
++ do { /* PaX: patched PLT emulation #1 */
++ unsigned int sethi1, sethi2, jmpl;
++
++ err = get_user(sethi1, (unsigned int *)regs->tpc);
++ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4));
++ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8));
++
++ if (err)
++ break;
++
++ if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
++ (sethi2 & 0xFFC00000U) == 0x03000000U &&
++ (jmpl & 0xFFFFE000U) == 0x81C06000U)
++ {
++ unsigned long addr;
++
++ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
++ addr = regs->u_regs[UREG_G1];
++ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #2 */
++ unsigned int ba;
++
++ err = get_user(ba, (unsigned int *)regs->tpc);
++
++ if (err)
++ break;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
++ unsigned long addr;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U)
++ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
++ else
++ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #3 */
++ unsigned int sethi, bajmpl, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4));
++ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
++ nop == 0x01000000U)
++ {
++ unsigned long addr;
++
++ addr = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G1] = addr;
++ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
++ addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
++ else
++ addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #4 */
++ unsigned int sethi, mov1, call, mov2;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(mov1, (unsigned int *)(regs->tpc+4));
++ err |= get_user(call, (unsigned int *)(regs->tpc+8));
++ err |= get_user(mov2, (unsigned int *)(regs->tpc+12));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ mov1 == 0x8210000FU &&
++ (call & 0xC0000000U) == 0x40000000U &&
++ mov2 == 0x9E100001U)
++ {
++ unsigned long addr;
++
++ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC];
++ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #5 */
++ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
++ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
++ err |= get_user(or1, (unsigned int *)(regs->tpc+12));
++ err |= get_user(or2, (unsigned int *)(regs->tpc+16));
++ err |= get_user(sllx, (unsigned int *)(regs->tpc+20));
++ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24));
++ err |= get_user(nop, (unsigned int *)(regs->tpc+28));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ (sethi1 & 0xFFC00000U) == 0x03000000U &&
++ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
++ (or1 & 0xFFFFE000U) == 0x82106000U &&
++ (or2 & 0xFFFFE000U) == 0x8A116000U &&
++ sllx == 0x83287020U &&
++ jmpl == 0x81C04005U &&
++ nop == 0x01000000U)
++ {
++ unsigned long addr;
++
++ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
++ regs->u_regs[UREG_G1] <<= 32;
++ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
++ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: patched PLT emulation #6 */
++ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
++ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
++ err |= get_user(sllx, (unsigned int *)(regs->tpc+12));
++ err |= get_user(or, (unsigned int *)(regs->tpc+16));
++ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20));
++ err |= get_user(nop, (unsigned int *)(regs->tpc+24));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ (sethi1 & 0xFFC00000U) == 0x03000000U &&
++ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
++ sllx == 0x83287020U &&
++ (or & 0xFFFFE000U) == 0x8A116000U &&
++ jmpl == 0x81C04005U &&
++ nop == 0x01000000U)
++ {
++ unsigned long addr;
++
++ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G1] <<= 32;
++ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU);
++ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: unpatched PLT emulation step 1 */
++ unsigned int sethi, ba, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(ba, (unsigned int *)(regs->tpc+4));
++ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
++ nop == 0x01000000U)
++ {
++ unsigned long addr;
++ unsigned int save, call;
++ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl;
++
++ if ((ba & 0xFFC00000U) == 0x30800000U)
++ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
++ else
++ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ err = get_user(save, (unsigned int *)addr);
++ err |= get_user(call, (unsigned int *)(addr+4));
++ err |= get_user(nop, (unsigned int *)(addr+8));
++ if (err)
++ break;
++
++#ifdef CONFIG_PAX_DLRESOLVE
++ if (save == 0x9DE3BFA8U &&
++ (call & 0xC0000000U) == 0x40000000U &&
++ nop == 0x01000000U)
++ {
++ struct vm_area_struct *vma;
++ unsigned long call_dl_resolve;
++
++ down_read(¤t->mm->mmap_sem);
++ call_dl_resolve = current->mm->call_dl_resolve;
++ up_read(¤t->mm->mmap_sem);
++ if (likely(call_dl_resolve))
++ goto emulate;
++
++ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
++
++ down_write(¤t->mm->mmap_sem);
++ if (current->mm->call_dl_resolve) {
++ call_dl_resolve = current->mm->call_dl_resolve;
++ up_write(¤t->mm->mmap_sem);
++ if (vma)
++ kmem_cache_free(vm_area_cachep, vma);
++ goto emulate;
++ }
++
++ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
++ if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
++ up_write(¤t->mm->mmap_sem);
++ if (vma)
++ kmem_cache_free(vm_area_cachep, vma);
++ return 1;
++ }
++
++ if (pax_insert_vma(vma, call_dl_resolve)) {
++ up_write(¤t->mm->mmap_sem);
++ kmem_cache_free(vm_area_cachep, vma);
++ return 1;
++ }
++
++ current->mm->call_dl_resolve = call_dl_resolve;
++ up_write(¤t->mm->mmap_sem);
++
++emulate:
++ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
++ regs->tpc = call_dl_resolve;
++ regs->tnpc = addr+4;
++ return 3;
++ }
++#endif
++
++ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
++ if ((save & 0xFFC00000U) == 0x05000000U &&
++ (call & 0xFFFFE000U) == 0x85C0A000U &&
++ nop == 0x01000000U)
++ {
++ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G2] = addr + 4;
++ addr = (save & 0x003FFFFFU) << 10;
++ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 3;
++ }
++
++ /* PaX: 64-bit PLT stub */
++ err = get_user(sethi1, (unsigned int *)addr);
++ err |= get_user(sethi2, (unsigned int *)(addr+4));
++ err |= get_user(or1, (unsigned int *)(addr+8));
++ err |= get_user(or2, (unsigned int *)(addr+12));
++ err |= get_user(sllx, (unsigned int *)(addr+16));
++ err |= get_user(add, (unsigned int *)(addr+20));
++ err |= get_user(jmpl, (unsigned int *)(addr+24));
++ err |= get_user(nop, (unsigned int *)(addr+28));
++ if (err)
++ break;
++
++ if ((sethi1 & 0xFFC00000U) == 0x09000000U &&
++ (sethi2 & 0xFFC00000U) == 0x0B000000U &&
++ (or1 & 0xFFFFE000U) == 0x88112000U &&
++ (or2 & 0xFFFFE000U) == 0x8A116000U &&
++ sllx == 0x89293020U &&
++ add == 0x8A010005U &&
++ jmpl == 0x89C14000U &&
++ nop == 0x01000000U)
++ {
++ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
++ regs->u_regs[UREG_G4] <<= 32;
++ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
++ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4];
++ regs->u_regs[UREG_G4] = addr + 24;
++ addr = regs->u_regs[UREG_G5];
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 3;
++ }
++ }
++ } while (0);
++
++#ifdef CONFIG_PAX_DLRESOLVE
++ do { /* PaX: unpatched PLT emulation step 2 */
++ unsigned int save, call, nop;
++
++ err = get_user(save, (unsigned int *)(regs->tpc-4));
++ err |= get_user(call, (unsigned int *)regs->tpc);
++ err |= get_user(nop, (unsigned int *)(regs->tpc+4));
++ if (err)
++ break;
++
++ if (save == 0x9DE3BFA8U &&
++ (call & 0xC0000000U) == 0x40000000U &&
++ nop == 0x01000000U)
++ {
++ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ dl_resolve &= 0xFFFFFFFFUL;
++
++ regs->u_regs[UREG_RETPC] = regs->tpc;
++ regs->tpc = dl_resolve;
++ regs->tnpc = dl_resolve+4;
++ return 3;
++ }
++ } while (0);
++#endif
++
++ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */
++ unsigned int sethi, ba, nop;
++
++ err = get_user(sethi, (unsigned int *)regs->tpc);
++ err |= get_user(ba, (unsigned int *)(regs->tpc+4));
++ err |= get_user(nop, (unsigned int *)(regs->tpc+8));
++
++ if (err)
++ break;
++
++ if ((sethi & 0xFFC00000U) == 0x03000000U &&
++ (ba & 0xFFF00000U) == 0x30600000U &&
++ nop == 0x01000000U)
++ {
++ unsigned long addr;
++
++ addr = (sethi & 0x003FFFFFU) << 10;
++ regs->u_regs[UREG_G1] = addr;
++ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
++
++ if (test_thread_flag(TIF_32BIT))
++ addr &= 0xFFFFFFFFUL;
++
++ regs->tpc = addr;
++ regs->tnpc = addr+4;
++ return 2;
++ }
++ } while (0);
++
++#endif
++
++ return 1;
++}
++
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ unsigned long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 8; i++) {
++ unsigned int c;
++ if (get_user(c, (unsigned int *)pc+i))
++ printk(KERN_CONT "???????? ");
++ else
++ printk(KERN_CONT "%08x ", c);
++ }
++ printk("\n");
++}
++#endif
++
+ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
+ {
+ struct mm_struct *mm = current->mm;
+@@ -343,6 +806,29 @@ retry:
+ if (!vma)
+ goto bad_area;
+
++#ifdef CONFIG_PAX_PAGEEXEC
++ /* PaX: detect ITLB misses on non-exec pages */
++ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address &&
++ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB))
++ {
++ if (address != regs->tpc)
++ goto good_area;
++
++ up_read(&mm->mmap_sem);
++ switch (pax_handle_fetch_fault(regs)) {
++
++#ifdef CONFIG_PAX_EMUPLT
++ case 2:
++ case 3:
++ return;
++#endif
++
++ }
++ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS));
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ /* Pure DTLB misses do not tell us whether the fault causing
+ * load/store/atomic was a write or not, it only says that there
+ * was no match. So in such a case we (carefully) read the
+diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
+index 07e1453..0a7d9e9 100644
+--- a/arch/sparc/mm/hugetlbpage.c
++++ b/arch/sparc/mm/hugetlbpage.c
+@@ -67,7 +67,7 @@ full_search:
+ }
+ return -ENOMEM;
+ }
+- if (likely(!vma || addr + len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -106,7 +106,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ /* make sure it can fit in the remaining address space */
+ if (likely(addr > len)) {
+ vma = find_vma(mm, addr-len);
+- if (!vma || addr <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr - len, len)) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr-len);
+ }
+@@ -115,16 +115,17 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ if (unlikely(mm->mmap_base < len))
+ goto bottomup;
+
+- addr = (mm->mmap_base-len) & HPAGE_MASK;
++ addr = mm->mmap_base - len;
+
+ do {
++ addr &= HPAGE_MASK;
+ /*
+ * Lookup failure means no vma is above this address,
+ * else if new region fits below vma->vm_start,
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (likely(!vma || addr+len <= vma->vm_start)) {
++ if (likely(check_heap_stack_gap(vma, addr, len))) {
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr);
+ }
+@@ -134,8 +135,8 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = (vma->vm_start-len) & HPAGE_MASK;
+- } while (likely(len < vma->vm_start));
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ bottomup:
+ /*
+@@ -181,8 +182,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ if (addr) {
+ addr = ALIGN(addr, HPAGE_SIZE);
+ vma = find_vma(mm, addr);
+- if (task_size - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+ if (mm->get_unmapped_area == arch_get_unmapped_area)
+diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h
+index f4500c6..889656c 100644
+--- a/arch/tile/include/asm/atomic_64.h
++++ b/arch/tile/include/asm/atomic_64.h
+@@ -143,6 +143,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
+
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ /* Atomic dec and inc don't implement barrier, so provide them if needed. */
+ #define smp_mb__before_atomic_dec() smp_mb()
+ #define smp_mb__after_atomic_dec() smp_mb()
+diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h
+index a9a5299..0fce79e 100644
+--- a/arch/tile/include/asm/cache.h
++++ b/arch/tile/include/asm/cache.h
+@@ -15,11 +15,12 @@
+ #ifndef _ASM_TILE_CACHE_H
+ #define _ASM_TILE_CACHE_H
+
++#include <linux/const.h>
+ #include <arch/chip.h>
+
+ /* bytes per L1 data cache line */
+ #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE()
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ /* bytes per L2 cache line */
+ #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE()
+diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
+index 9ab078a..d6635c2 100644
+--- a/arch/tile/include/asm/uaccess.h
++++ b/arch/tile/include/asm/uaccess.h
+@@ -403,9 +403,9 @@ static inline unsigned long __must_check copy_from_user(void *to,
+ const void __user *from,
+ unsigned long n)
+ {
+- int sz = __compiletime_object_size(to);
++ size_t sz = __compiletime_object_size(to);
+
+- if (likely(sz == -1 || sz >= n))
++ if (likely(sz == (size_t)-1 || sz >= n))
+ n = _copy_from_user(to, from, n);
+ else
+ copy_from_user_overflow();
+diff --git a/arch/um/Makefile b/arch/um/Makefile
+index 0970910..9f65c40 100644
+--- a/arch/um/Makefile
++++ b/arch/um/Makefile
+@@ -62,6 +62,10 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
+ $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
+ $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include
+
++ifdef CONSTIFY_PLUGIN
++USER_CFLAGS += -fplugin-arg-constify_plugin-no-constify
++endif
++
+ #This will adjust *FLAGS accordingly to the platform.
+ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
+
+diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h
+index 19e1bdd..3665b77 100644
+--- a/arch/um/include/asm/cache.h
++++ b/arch/um/include/asm/cache.h
+@@ -1,6 +1,7 @@
+ #ifndef __UM_CACHE_H
+ #define __UM_CACHE_H
+
++#include <linux/const.h>
+
+ #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
+ # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
+@@ -12,6 +13,6 @@
+ # define L1_CACHE_SHIFT 5
+ #endif
+
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #endif
+diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h
+index 2e0a6b1..a64d0f5 100644
+--- a/arch/um/include/asm/kmap_types.h
++++ b/arch/um/include/asm/kmap_types.h
+@@ -8,6 +8,6 @@
+
+ /* No more #include "asm/arch/kmap_types.h" ! */
+
+-#define KM_TYPE_NR 14
++#define KM_TYPE_NR 15
+
+ #endif
+diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
+index 7cfc3ce..cbd1a58 100644
+--- a/arch/um/include/asm/page.h
++++ b/arch/um/include/asm/page.h
+@@ -14,6 +14,9 @@
+ #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
+ #define PAGE_MASK (~(PAGE_SIZE-1))
+
++#define ktla_ktva(addr) (addr)
++#define ktva_ktla(addr) (addr)
++
+ #ifndef __ASSEMBLY__
+
+ struct page;
+diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
+index 0032f92..cd151e0 100644
+--- a/arch/um/include/asm/pgtable-3level.h
++++ b/arch/um/include/asm/pgtable-3level.h
+@@ -58,6 +58,7 @@
+ #define pud_present(x) (pud_val(x) & _PAGE_PRESENT)
+ #define pud_populate(mm, pud, pmd) \
+ set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
++#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
+
+ #ifdef CONFIG_64BIT
+ #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
+diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
+index c5f5afa..6abce4b 100644
+--- a/arch/um/kernel/process.c
++++ b/arch/um/kernel/process.c
+@@ -402,22 +402,6 @@ int singlestepping(void * t)
+ return 2;
+ }
+
+-/*
+- * Only x86 and x86_64 have an arch_align_stack().
+- * All other arches have "#define arch_align_stack(x) (x)"
+- * in their asm/system.h
+- * As this is included in UML from asm-um/system-generic.h,
+- * we can use it to behave as the subarch does.
+- */
+-#ifndef arch_align_stack
+-unsigned long arch_align_stack(unsigned long sp)
+-{
+- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+- sp -= get_random_int() % 8192;
+- return sp & ~0xf;
+-}
+-#endif
+-
+ unsigned long get_wchan(struct task_struct *p)
+ {
+ unsigned long stack_page, sp, ip;
+diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h
+index ad8f795..2c7eec6 100644
+--- a/arch/unicore32/include/asm/cache.h
++++ b/arch/unicore32/include/asm/cache.h
+@@ -12,8 +12,10 @@
+ #ifndef __UNICORE_CACHE_H__
+ #define __UNICORE_CACHE_H__
+
+-#define L1_CACHE_SHIFT (5)
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#include <linux/const.h>
++
++#define L1_CACHE_SHIFT 5
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ /*
+ * Memory returned by kmalloc() may be used for DMA, so we must make
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index 50a1d1f..c26369f 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -220,7 +220,7 @@ config X86_HT
+
+ config X86_32_LAZY_GS
+ def_bool y
+- depends on X86_32 && !CC_STACKPROTECTOR
++ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF
+
+ config ARCH_HWEIGHT_CFLAGS
+ string
+@@ -1049,7 +1049,7 @@ choice
+
+ config NOHIGHMEM
+ bool "off"
+- depends on !X86_NUMAQ
++ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
+ ---help---
+ Linux can use up to 64 Gigabytes of physical memory on x86 systems.
+ However, the address space of 32-bit x86 processors is only 4
+@@ -1086,7 +1086,7 @@ config NOHIGHMEM
+
+ config HIGHMEM4G
+ bool "4GB"
+- depends on !X86_NUMAQ
++ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
+ ---help---
+ Select this if you have a 32-bit processor and between 1 and 4
+ gigabytes of physical RAM.
+@@ -1140,7 +1140,7 @@ config PAGE_OFFSET
+ hex
+ default 0xB0000000 if VMSPLIT_3G_OPT
+ default 0x80000000 if VMSPLIT_2G
+- default 0x78000000 if VMSPLIT_2G_OPT
++ default 0x70000000 if VMSPLIT_2G_OPT
+ default 0x40000000 if VMSPLIT_1G
+ default 0xC0000000
+ depends on X86_32
+@@ -1528,6 +1528,7 @@ config SECCOMP
+
+ config CC_STACKPROTECTOR
+ bool "Enable -fstack-protector buffer overflow detection"
++ depends on X86_64 || !PAX_MEMORY_UDEREF
+ ---help---
+ This option turns on the -fstack-protector GCC feature. This
+ feature puts, at the beginning of functions, a canary value on
+@@ -1585,6 +1586,7 @@ config KEXEC_JUMP
+ config PHYSICAL_START
+ hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
+ default "0x1000000"
++ range 0x400000 0x40000000
+ ---help---
+ This gives the physical address where the kernel is loaded.
+
+@@ -1648,6 +1650,7 @@ config X86_NEED_RELOCS
+ config PHYSICAL_ALIGN
+ hex "Alignment value to which kernel should be aligned" if X86_32
+ default "0x1000000"
++ range 0x400000 0x1000000 if PAX_KERNEXEC
+ range 0x2000 0x1000000
+ ---help---
+ This value puts the alignment restrictions on physical address
+@@ -1679,9 +1682,10 @@ config HOTPLUG_CPU
+ Say N if you want to disable CPU hotplug.
+
+ config COMPAT_VDSO
+- def_bool y
++ def_bool n
+ prompt "Compat VDSO support"
+ depends on X86_32 || IA32_EMULATION
++ depends on !PAX_NOEXEC && !PAX_MEMORY_UDEREF
+ ---help---
+ Map the 32-bit VDSO to the predictable old-style address too.
+
+diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
+index 706e12e..62e4feb 100644
+--- a/arch/x86/Kconfig.cpu
++++ b/arch/x86/Kconfig.cpu
+@@ -334,7 +334,7 @@ config X86_PPRO_FENCE
+
+ config X86_F00F_BUG
+ def_bool y
+- depends on M586MMX || M586TSC || M586 || M486 || M386
++ depends on (M586MMX || M586TSC || M586 || M486 || M386) && !PAX_KERNEXEC
+
+ config X86_INVD_BUG
+ def_bool y
+@@ -358,7 +358,7 @@ config X86_POPAD_OK
+
+ config X86_ALIGNMENT_16
+ def_bool y
+- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
++ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
+
+ config X86_INTEL_USERCOPY
+ def_bool y
+@@ -404,7 +404,7 @@ config X86_CMPXCHG64
+ # generates cmov.
+ config X86_CMOV
+ def_bool y
+- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
++ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
+
+ config X86_MINIMUM_CPU_FAMILY
+ int
+diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
+index b322f12..652d0d9 100644
+--- a/arch/x86/Kconfig.debug
++++ b/arch/x86/Kconfig.debug
+@@ -84,7 +84,7 @@ config X86_PTDUMP
+ config DEBUG_RODATA
+ bool "Write protect kernel read-only data structures"
+ default y
+- depends on DEBUG_KERNEL
++ depends on DEBUG_KERNEL && BROKEN
+ ---help---
+ Mark the kernel read-only data as write-protected in the pagetables,
+ in order to catch accidental (and incorrect) writes to such const
+@@ -102,7 +102,7 @@ config DEBUG_RODATA_TEST
+
+ config DEBUG_SET_MODULE_RONX
+ bool "Set loadable kernel module data as NX and text as RO"
+- depends on MODULES
++ depends on MODULES && BROKEN
+ ---help---
+ This option helps catch unintended modifications to loadable
+ kernel module's text and read-only data. It also prevents execution
+@@ -294,7 +294,7 @@ config OPTIMIZE_INLINING
+
+ config DEBUG_STRICT_USER_COPY_CHECKS
+ bool "Strict copy size checks"
+- depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING
++ depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING && !PAX_SIZE_OVERFLOW
+ ---help---
+ Enabling this option turns a certain set of sanity checks for user
+ copy operations into compile time failures.
+diff --git a/arch/x86/Makefile b/arch/x86/Makefile
+index 05afcca..b6ecb51 100644
+--- a/arch/x86/Makefile
++++ b/arch/x86/Makefile
+@@ -50,6 +50,7 @@ else
+ UTS_MACHINE := x86_64
+ CHECKFLAGS += -D__x86_64__ -m64
+
++ biarch := $(call cc-option,-m64)
+ KBUILD_AFLAGS += -m64
+ KBUILD_CFLAGS += -m64
+
+@@ -229,3 +230,12 @@ define archhelp
+ echo ' FDARGS="..." arguments for the booted kernel'
+ echo ' FDINITRD=file initrd for the booted kernel'
+ endef
++
++define OLD_LD
++
++*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils.
++*** Please upgrade your binutils to 2.18 or newer
++endef
++
++archprepare:
++ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD)))
+diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
+index f7535be..37db2d1 100644
+--- a/arch/x86/boot/Makefile
++++ b/arch/x86/boot/Makefile
+@@ -64,6 +64,9 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
+ $(call cc-option, -fno-stack-protector) \
+ $(call cc-option, -mpreferred-stack-boundary=2)
+ KBUILD_CFLAGS += $(call cc-option, -m32)
++ifdef CONSTIFY_PLUGIN
++KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
++endif
+ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+ GCOV_PROFILE := n
+
+diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h
+index 878e4b9..20537ab 100644
+--- a/arch/x86/boot/bitops.h
++++ b/arch/x86/boot/bitops.h
+@@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr)
+ u8 v;
+ const u32 *p = (const u32 *)addr;
+
+- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
++ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
+ return v;
+ }
+
+@@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr)
+
+ static inline void set_bit(int nr, void *addr)
+ {
+- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
++ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
+ }
+
+ #endif /* BOOT_BITOPS_H */
+diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
+index 18997e5..83d9c67 100644
+--- a/arch/x86/boot/boot.h
++++ b/arch/x86/boot/boot.h
+@@ -85,7 +85,7 @@ static inline void io_delay(void)
+ static inline u16 ds(void)
+ {
+ u16 seg;
+- asm("movw %%ds,%0" : "=rm" (seg));
++ asm volatile("movw %%ds,%0" : "=rm" (seg));
+ return seg;
+ }
+
+@@ -181,7 +181,7 @@ static inline void wrgs32(u32 v, addr_t addr)
+ static inline int memcmp(const void *s1, const void *s2, size_t len)
+ {
+ u8 diff;
+- asm("repe; cmpsb; setnz %0"
++ asm volatile("repe; cmpsb; setnz %0"
+ : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
+ return diff;
+ }
+diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
+index 8a84501..b2d165f 100644
+--- a/arch/x86/boot/compressed/Makefile
++++ b/arch/x86/boot/compressed/Makefile
+@@ -14,6 +14,9 @@ cflags-$(CONFIG_X86_64) := -mcmodel=small
+ KBUILD_CFLAGS += $(cflags-y)
+ KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
+ KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
++ifdef CONSTIFY_PLUGIN
++KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
++endif
+
+ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+ GCOV_PROFILE := n
+diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
+index b3e0227..f2c02d5 100644
+--- a/arch/x86/boot/compressed/eboot.c
++++ b/arch/x86/boot/compressed/eboot.c
+@@ -142,7 +142,6 @@ again:
+ *addr = max_addr;
+ }
+
+-free_pool:
+ efi_call_phys1(sys_table->boottime->free_pool, map);
+
+ fail:
+@@ -206,7 +205,6 @@ static efi_status_t low_alloc(unsigned long size, unsigned long align,
+ if (i == map_size / desc_size)
+ status = EFI_NOT_FOUND;
+
+-free_pool:
+ efi_call_phys1(sys_table->boottime->free_pool, map);
+ fail:
+ return status;
+diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
+index aa4aaf1..6656f2f 100644
+--- a/arch/x86/boot/compressed/head_32.S
++++ b/arch/x86/boot/compressed/head_32.S
+@@ -116,7 +116,7 @@ preferred_addr:
+ notl %eax
+ andl %eax, %ebx
+ #else
+- movl $LOAD_PHYSICAL_ADDR, %ebx
++ movl $____LOAD_PHYSICAL_ADDR, %ebx
+ #endif
+
+ /* Target address to relocate to for decompression */
+@@ -202,7 +202,7 @@ relocated:
+ * and where it was actually loaded.
+ */
+ movl %ebp, %ebx
+- subl $LOAD_PHYSICAL_ADDR, %ebx
++ subl $____LOAD_PHYSICAL_ADDR, %ebx
+ jz 2f /* Nothing to be done if loaded at compiled addr. */
+ /*
+ * Process relocations.
+@@ -210,8 +210,7 @@ relocated:
+
+ 1: subl $4, %edi
+ movl (%edi), %ecx
+- testl %ecx, %ecx
+- jz 2f
++ jecxz 2f
+ addl %ebx, -__PAGE_OFFSET(%ebx, %ecx)
+ jmp 1b
+ 2:
+diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
+index 2c4b171..e1fa5b1 100644
+--- a/arch/x86/boot/compressed/head_64.S
++++ b/arch/x86/boot/compressed/head_64.S
+@@ -91,7 +91,7 @@ ENTRY(startup_32)
+ notl %eax
+ andl %eax, %ebx
+ #else
+- movl $LOAD_PHYSICAL_ADDR, %ebx
++ movl $____LOAD_PHYSICAL_ADDR, %ebx
+ #endif
+
+ /* Target address to relocate to for decompression */
+@@ -273,7 +273,7 @@ preferred_addr:
+ notq %rax
+ andq %rax, %rbp
+ #else
+- movq $LOAD_PHYSICAL_ADDR, %rbp
++ movq $____LOAD_PHYSICAL_ADDR, %rbp
+ #endif
+
+ /* Target address to relocate to for decompression */
+diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
+index 88f7ff6..ed695dd 100644
+--- a/arch/x86/boot/compressed/misc.c
++++ b/arch/x86/boot/compressed/misc.c
+@@ -303,7 +303,7 @@ static void parse_elf(void *output)
+ case PT_LOAD:
+ #ifdef CONFIG_RELOCATABLE
+ dest = output;
+- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);
++ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR);
+ #else
+ dest = (void *)(phdr->p_paddr);
+ #endif
+@@ -352,7 +352,7 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
+ error("Destination address too large");
+ #endif
+ #ifndef CONFIG_RELOCATABLE
+- if ((unsigned long)output != LOAD_PHYSICAL_ADDR)
++ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR)
+ error("Wrong destination address");
+ #endif
+
+diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
+index 4d3ff03..e4972ff 100644
+--- a/arch/x86/boot/cpucheck.c
++++ b/arch/x86/boot/cpucheck.c
+@@ -74,7 +74,7 @@ static int has_fpu(void)
+ u16 fcw = -1, fsw = -1;
+ u32 cr0;
+
+- asm("movl %%cr0,%0" : "=r" (cr0));
++ asm volatile("movl %%cr0,%0" : "=r" (cr0));
+ if (cr0 & (X86_CR0_EM|X86_CR0_TS)) {
+ cr0 &= ~(X86_CR0_EM|X86_CR0_TS);
+ asm volatile("movl %0,%%cr0" : : "r" (cr0));
+@@ -90,7 +90,7 @@ static int has_eflag(u32 mask)
+ {
+ u32 f0, f1;
+
+- asm("pushfl ; "
++ asm volatile("pushfl ; "
+ "pushfl ; "
+ "popl %0 ; "
+ "movl %0,%1 ; "
+@@ -115,7 +115,7 @@ static void get_flags(void)
+ set_bit(X86_FEATURE_FPU, cpu.flags);
+
+ if (has_eflag(X86_EFLAGS_ID)) {
+- asm("cpuid"
++ asm volatile("cpuid"
+ : "=a" (max_intel_level),
+ "=b" (cpu_vendor[0]),
+ "=d" (cpu_vendor[1]),
+@@ -124,7 +124,7 @@ static void get_flags(void)
+
+ if (max_intel_level >= 0x00000001 &&
+ max_intel_level <= 0x0000ffff) {
+- asm("cpuid"
++ asm volatile("cpuid"
+ : "=a" (tfms),
+ "=c" (cpu.flags[4]),
+ "=d" (cpu.flags[0])
+@@ -136,7 +136,7 @@ static void get_flags(void)
+ cpu.model += ((tfms >> 16) & 0xf) << 4;
+ }
+
+- asm("cpuid"
++ asm volatile("cpuid"
+ : "=a" (max_amd_level)
+ : "a" (0x80000000)
+ : "ebx", "ecx", "edx");
+@@ -144,7 +144,7 @@ static void get_flags(void)
+ if (max_amd_level >= 0x80000001 &&
+ max_amd_level <= 0x8000ffff) {
+ u32 eax = 0x80000001;
+- asm("cpuid"
++ asm volatile("cpuid"
+ : "+a" (eax),
+ "=c" (cpu.flags[6]),
+ "=d" (cpu.flags[1])
+@@ -203,9 +203,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
+ u32 ecx = MSR_K7_HWCR;
+ u32 eax, edx;
+
+- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
++ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
+ eax &= ~(1 << 15);
+- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
++ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
+
+ get_flags(); /* Make sure it really did something */
+ err = check_flags();
+@@ -218,9 +218,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
+ u32 ecx = MSR_VIA_FCR;
+ u32 eax, edx;
+
+- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
++ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
+ eax |= (1<<1)|(1<<7);
+- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
++ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
+
+ set_bit(X86_FEATURE_CX8, cpu.flags);
+ err = check_flags();
+@@ -231,12 +231,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
+ u32 eax, edx;
+ u32 level = 1;
+
+- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
+- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
+- asm("cpuid"
++ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
++ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
++ asm volatile("cpuid"
+ : "+a" (level), "=d" (cpu.flags[0])
+ : : "ecx", "ebx");
+- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
++ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
+
+ err = check_flags();
+ }
+diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
+index b4e15dd..8ac59ce 100644
+--- a/arch/x86/boot/header.S
++++ b/arch/x86/boot/header.S
+@@ -391,10 +391,14 @@ setup_data: .quad 0 # 64-bit physical pointer to
+ # single linked list of
+ # struct setup_data
+
+-pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr
++pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr
+
+ #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset)
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR)
++#else
+ #define VO_INIT_SIZE (VO__end - VO__text)
++#endif
+ #if ZO_INIT_SIZE > VO_INIT_SIZE
+ #define INIT_SIZE ZO_INIT_SIZE
+ #else
+diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
+index db75d07..8e6d0af 100644
+--- a/arch/x86/boot/memory.c
++++ b/arch/x86/boot/memory.c
+@@ -19,7 +19,7 @@
+
+ static int detect_memory_e820(void)
+ {
+- int count = 0;
++ unsigned int count = 0;
+ struct biosregs ireg, oreg;
+ struct e820entry *desc = boot_params.e820_map;
+ static struct e820entry buf; /* static so it is zeroed */
+diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
+index 11e8c6e..fdbb1ed 100644
+--- a/arch/x86/boot/video-vesa.c
++++ b/arch/x86/boot/video-vesa.c
+@@ -200,6 +200,7 @@ static void vesa_store_pm_info(void)
+
+ boot_params.screen_info.vesapm_seg = oreg.es;
+ boot_params.screen_info.vesapm_off = oreg.di;
++ boot_params.screen_info.vesapm_size = oreg.cx;
+ }
+
+ /*
+diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
+index 43eda28..5ab5fdb 100644
+--- a/arch/x86/boot/video.c
++++ b/arch/x86/boot/video.c
+@@ -96,7 +96,7 @@ static void store_mode_params(void)
+ static unsigned int get_entry(void)
+ {
+ char entry_buf[4];
+- int i, len = 0;
++ unsigned int i, len = 0;
+ int key;
+ unsigned int v;
+
+diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S
+index 5b577d5..3c1fed4 100644
+--- a/arch/x86/crypto/aes-x86_64-asm_64.S
++++ b/arch/x86/crypto/aes-x86_64-asm_64.S
+@@ -8,6 +8,8 @@
+ * including this sentence is retained in full.
+ */
+
++#include <asm/alternative-asm.h>
++
+ .extern crypto_ft_tab
+ .extern crypto_it_tab
+ .extern crypto_fl_tab
+@@ -71,6 +73,8 @@ FUNC: movq r1,r2; \
+ je B192; \
+ leaq 32(r9),r9;
+
++#define ret pax_force_retaddr 0, 1; ret
++
+ #define epilogue(r1,r2,r3,r4,r5,r6,r7,r8,r9) \
+ movq r1,r2; \
+ movq r3,r4; \
+diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
+index 3470624..201259d 100644
+--- a/arch/x86/crypto/aesni-intel_asm.S
++++ b/arch/x86/crypto/aesni-intel_asm.S
+@@ -31,6 +31,7 @@
+
+ #include <linux/linkage.h>
+ #include <asm/inst.h>
++#include <asm/alternative-asm.h>
+
+ #ifdef __x86_64__
+ .data
+@@ -1436,7 +1437,9 @@ _return_T_done_decrypt:
+ pop %r14
+ pop %r13
+ pop %r12
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_gcm_dec)
+
+
+ /*****************************************************************************
+@@ -1699,7 +1702,9 @@ _return_T_done_encrypt:
+ pop %r14
+ pop %r13
+ pop %r12
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_gcm_enc)
+
+ #endif
+
+@@ -1714,6 +1719,7 @@ _key_expansion_256a:
+ pxor %xmm1, %xmm0
+ movaps %xmm0, (TKEYP)
+ add $0x10, TKEYP
++ pax_force_retaddr_bts
+ ret
+
+ .align 4
+@@ -1738,6 +1744,7 @@ _key_expansion_192a:
+ shufps $0b01001110, %xmm2, %xmm1
+ movaps %xmm1, 0x10(TKEYP)
+ add $0x20, TKEYP
++ pax_force_retaddr_bts
+ ret
+
+ .align 4
+@@ -1757,6 +1764,7 @@ _key_expansion_192b:
+
+ movaps %xmm0, (TKEYP)
+ add $0x10, TKEYP
++ pax_force_retaddr_bts
+ ret
+
+ .align 4
+@@ -1769,6 +1777,7 @@ _key_expansion_256b:
+ pxor %xmm1, %xmm2
+ movaps %xmm2, (TKEYP)
+ add $0x10, TKEYP
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -1881,7 +1890,9 @@ ENTRY(aesni_set_key)
+ #ifndef __x86_64__
+ popl KEYP
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_set_key)
+
+ /*
+ * void aesni_enc(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
+@@ -1902,7 +1913,9 @@ ENTRY(aesni_enc)
+ popl KLEN
+ popl KEYP
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_enc)
+
+ /*
+ * _aesni_enc1: internal ABI
+@@ -1959,6 +1972,7 @@ _aesni_enc1:
+ AESENC KEY STATE
+ movaps 0x70(TKEYP), KEY
+ AESENCLAST KEY STATE
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2067,6 +2081,7 @@ _aesni_enc4:
+ AESENCLAST KEY STATE2
+ AESENCLAST KEY STATE3
+ AESENCLAST KEY STATE4
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2089,7 +2104,9 @@ ENTRY(aesni_dec)
+ popl KLEN
+ popl KEYP
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_dec)
+
+ /*
+ * _aesni_dec1: internal ABI
+@@ -2146,6 +2163,7 @@ _aesni_dec1:
+ AESDEC KEY STATE
+ movaps 0x70(TKEYP), KEY
+ AESDECLAST KEY STATE
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2254,6 +2272,7 @@ _aesni_dec4:
+ AESDECLAST KEY STATE2
+ AESDECLAST KEY STATE3
+ AESDECLAST KEY STATE4
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2311,7 +2330,9 @@ ENTRY(aesni_ecb_enc)
+ popl KEYP
+ popl LEN
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_ecb_enc)
+
+ /*
+ * void aesni_ecb_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+@@ -2369,7 +2390,9 @@ ENTRY(aesni_ecb_dec)
+ popl KEYP
+ popl LEN
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_ecb_dec)
+
+ /*
+ * void aesni_cbc_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+@@ -2410,7 +2433,9 @@ ENTRY(aesni_cbc_enc)
+ popl LEN
+ popl IVP
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_cbc_enc)
+
+ /*
+ * void aesni_cbc_dec(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src,
+@@ -2500,7 +2525,9 @@ ENTRY(aesni_cbc_dec)
+ popl LEN
+ popl IVP
+ #endif
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_cbc_dec)
+
+ #ifdef __x86_64__
+ .align 16
+@@ -2526,6 +2553,7 @@ _aesni_inc_init:
+ mov $1, TCTR_LOW
+ MOVQ_R64_XMM TCTR_LOW INC
+ MOVQ_R64_XMM CTR TCTR_LOW
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2554,6 +2582,7 @@ _aesni_inc:
+ .Linc_low:
+ movaps CTR, IV
+ PSHUFB_XMM BSWAP_MASK IV
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -2614,5 +2643,7 @@ ENTRY(aesni_ctr_enc)
+ .Lctr_enc_ret:
+ movups IV, (IVP)
+ .Lctr_enc_just_ret:
++ pax_force_retaddr 0, 1
+ ret
++ENDPROC(aesni_ctr_enc)
+ #endif
+diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S
+index 391d245..67f35c2 100644
+--- a/arch/x86/crypto/blowfish-x86_64-asm_64.S
++++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S
+@@ -20,6 +20,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "blowfish-x86_64-asm.S"
+ .text
+
+@@ -151,9 +153,11 @@ __blowfish_enc_blk:
+ jnz __enc_xor;
+
+ write_block();
++ pax_force_retaddr 0, 1
+ ret;
+ __enc_xor:
+ xor_block();
++ pax_force_retaddr 0, 1
+ ret;
+
+ .align 8
+@@ -188,6 +192,7 @@ blowfish_dec_blk:
+
+ movq %r11, %rbp;
+
++ pax_force_retaddr 0, 1
+ ret;
+
+ /**********************************************************************
+@@ -342,6 +347,7 @@ __blowfish_enc_blk_4way:
+
+ popq %rbx;
+ popq %rbp;
++ pax_force_retaddr 0, 1
+ ret;
+
+ __enc_xor4:
+@@ -349,6 +355,7 @@ __enc_xor4:
+
+ popq %rbx;
+ popq %rbp;
++ pax_force_retaddr 0, 1
+ ret;
+
+ .align 8
+@@ -386,5 +393,6 @@ blowfish_dec_blk_4way:
+ popq %rbx;
+ popq %rbp;
+
++ pax_force_retaddr 0, 1
+ ret;
+
+diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S
+index 0b33743..7a56206 100644
+--- a/arch/x86/crypto/camellia-x86_64-asm_64.S
++++ b/arch/x86/crypto/camellia-x86_64-asm_64.S
+@@ -20,6 +20,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "camellia-x86_64-asm_64.S"
+ .text
+
+@@ -229,12 +231,14 @@ __enc_done:
+ enc_outunpack(mov, RT1);
+
+ movq RRBP, %rbp;
++ pax_force_retaddr 0, 1
+ ret;
+
+ __enc_xor:
+ enc_outunpack(xor, RT1);
+
+ movq RRBP, %rbp;
++ pax_force_retaddr 0, 1
+ ret;
+
+ .global camellia_dec_blk;
+@@ -275,6 +279,7 @@ __dec_rounds16:
+ dec_outunpack();
+
+ movq RRBP, %rbp;
++ pax_force_retaddr 0, 1
+ ret;
+
+ /**********************************************************************
+@@ -468,6 +473,7 @@ __enc2_done:
+
+ movq RRBP, %rbp;
+ popq %rbx;
++ pax_force_retaddr 0, 1
+ ret;
+
+ __enc2_xor:
+@@ -475,6 +481,7 @@ __enc2_xor:
+
+ movq RRBP, %rbp;
+ popq %rbx;
++ pax_force_retaddr 0, 1
+ ret;
+
+ .global camellia_dec_blk_2way;
+@@ -517,4 +524,5 @@ __dec2_rounds16:
+
+ movq RRBP, %rbp;
+ movq RXOR, %rbx;
++ pax_force_retaddr 0, 1
+ ret;
+diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S
+index 6214a9b..1f4fc9a 100644
+--- a/arch/x86/crypto/salsa20-x86_64-asm_64.S
++++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S
+@@ -1,3 +1,5 @@
++#include <asm/alternative-asm.h>
++
+ # enter ECRYPT_encrypt_bytes
+ .text
+ .p2align 5
+@@ -790,6 +792,7 @@ ECRYPT_encrypt_bytes:
+ add %r11,%rsp
+ mov %rdi,%rax
+ mov %rsi,%rdx
++ pax_force_retaddr 0, 1
+ ret
+ # bytesatleast65:
+ ._bytesatleast65:
+@@ -891,6 +894,7 @@ ECRYPT_keysetup:
+ add %r11,%rsp
+ mov %rdi,%rax
+ mov %rsi,%rdx
++ pax_force_retaddr
+ ret
+ # enter ECRYPT_ivsetup
+ .text
+@@ -917,4 +921,5 @@ ECRYPT_ivsetup:
+ add %r11,%rsp
+ mov %rdi,%rax
+ mov %rsi,%rdx
++ pax_force_retaddr
+ ret
+diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
+index 504106b..4e50951 100644
+--- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
++++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
+@@ -24,6 +24,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "serpent-avx-x86_64-asm_64.S"
+ .text
+
+@@ -638,12 +640,14 @@ __serpent_enc_blk_8way_avx:
+ write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
+ write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ __enc_xor8:
+ xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
+ xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ .align 8
+@@ -701,4 +705,5 @@ serpent_dec_blk_8way_avx:
+ write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2);
+ write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
+index 3ee1ff0..cbc568b 100644
+--- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
++++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
+@@ -24,6 +24,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "serpent-sse2-x86_64-asm_64.S"
+ .text
+
+@@ -692,12 +694,14 @@ __serpent_enc_blk_8way:
+ write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
+ write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ __enc_xor8:
+ xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
+ xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ .align 8
+@@ -755,4 +759,5 @@ serpent_dec_blk_8way:
+ write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2);
+ write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2);
+
++ pax_force_retaddr
+ ret;
+diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S
+index 49d6987..df66bd4 100644
+--- a/arch/x86/crypto/sha1_ssse3_asm.S
++++ b/arch/x86/crypto/sha1_ssse3_asm.S
+@@ -28,6 +28,8 @@
+ * (at your option) any later version.
+ */
+
++#include <asm/alternative-asm.h>
++
+ #define CTX %rdi // arg1
+ #define BUF %rsi // arg2
+ #define CNT %rdx // arg3
+@@ -104,6 +106,7 @@
+ pop %r12
+ pop %rbp
+ pop %rbx
++ pax_force_retaddr 0, 1
+ ret
+
+ .size \name, .-\name
+diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
+index 35f4557..16b379f 100644
+--- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
++++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
+@@ -21,6 +21,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "twofish-avx-x86_64-asm_64.S"
+ .text
+
+@@ -250,12 +252,14 @@ __twofish_enc_blk_8way:
+ outunpack_blocks(%rsi, RC1, RD1, RA1, RB1, RK1, RX, RY, RK2);
+ outunpack_blocks(%rax, RC2, RD2, RA2, RB2, RK1, RX, RY, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ __enc_xor8:
+ outunpack_xor_blocks(%rsi, RC1, RD1, RA1, RB1, RK1, RX, RY, RK2);
+ outunpack_xor_blocks(%rax, RC2, RD2, RA2, RB2, RK1, RX, RY, RK2);
+
++ pax_force_retaddr
+ ret;
+
+ .align 8
+@@ -297,4 +301,5 @@ twofish_dec_blk_8way:
+ outunpack_blocks(%rsi, RA1, RB1, RC1, RD1, RK1, RX, RY, RK2);
+ outunpack_blocks(%rax, RA2, RB2, RC2, RD2, RK1, RX, RY, RK2);
+
++ pax_force_retaddr
+ ret;
+diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
+index 5b012a2..36d5364 100644
+--- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
++++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
+@@ -20,6 +20,8 @@
+ *
+ */
+
++#include <asm/alternative-asm.h>
++
+ .file "twofish-x86_64-asm-3way.S"
+ .text
+
+@@ -260,6 +262,7 @@ __twofish_enc_blk_3way:
+ popq %r13;
+ popq %r14;
+ popq %r15;
++ pax_force_retaddr 0, 1
+ ret;
+
+ __enc_xor3:
+@@ -271,6 +274,7 @@ __enc_xor3:
+ popq %r13;
+ popq %r14;
+ popq %r15;
++ pax_force_retaddr 0, 1
+ ret;
+
+ .global twofish_dec_blk_3way
+@@ -312,5 +316,6 @@ twofish_dec_blk_3way:
+ popq %r13;
+ popq %r14;
+ popq %r15;
++ pax_force_retaddr 0, 1
+ ret;
+
+diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S
+index 7bcf3fc..f53832f 100644
+--- a/arch/x86/crypto/twofish-x86_64-asm_64.S
++++ b/arch/x86/crypto/twofish-x86_64-asm_64.S
+@@ -21,6 +21,7 @@
+ .text
+
+ #include <asm/asm-offsets.h>
++#include <asm/alternative-asm.h>
+
+ #define a_offset 0
+ #define b_offset 4
+@@ -268,6 +269,7 @@ twofish_enc_blk:
+
+ popq R1
+ movq $1,%rax
++ pax_force_retaddr 0, 1
+ ret
+
+ twofish_dec_blk:
+@@ -319,4 +321,5 @@ twofish_dec_blk:
+
+ popq R1
+ movq $1,%rax
++ pax_force_retaddr 0, 1
+ ret
+diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
+index 07b3a68..bd2a388 100644
+--- a/arch/x86/ia32/ia32_aout.c
++++ b/arch/x86/ia32/ia32_aout.c
+@@ -159,6 +159,8 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
+ unsigned long dump_start, dump_size;
+ struct user32 dump;
+
++ memset(&dump, 0, sizeof(dump));
++
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ has_dumped = 1;
+diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
+index 673ac9b..7a8c5df 100644
+--- a/arch/x86/ia32/ia32_signal.c
++++ b/arch/x86/ia32/ia32_signal.c
+@@ -162,7 +162,7 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
+ }
+ seg = get_fs();
+ set_fs(KERNEL_DS);
+- ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->sp);
++ ret = do_sigaltstack(uss_ptr ? (const stack_t __force_user *)&uss : NULL, (stack_t __force_user *)&uoss, regs->sp);
+ set_fs(seg);
+ if (ret >= 0 && uoss_ptr) {
+ if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)))
+@@ -361,7 +361,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
+ */
+ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+ size_t frame_size,
+- void **fpstate)
++ void __user **fpstate)
+ {
+ unsigned long sp;
+
+@@ -382,7 +382,7 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+
+ if (used_math()) {
+ sp = sp - sig_xstate_ia32_size;
+- *fpstate = (struct _fpstate_ia32 *) sp;
++ *fpstate = (struct _fpstate_ia32 __user *) sp;
+ if (save_i387_xstate_ia32(*fpstate) < 0)
+ return (void __user *) -1L;
+ }
+@@ -390,7 +390,7 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+ sp -= frame_size;
+ /* Align the stack pointer according to the i386 ABI,
+ * i.e. so that on function entry ((sp + 4) & 15) == 0. */
+- sp = ((sp + 4) & -16ul) - 4;
++ sp = ((sp - 12) & -16ul) - 4;
+ return (void __user *) sp;
+ }
+
+@@ -448,7 +448,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
+ * These are actually not used anymore, but left because some
+ * gdb versions depend on them as a marker.
+ */
+- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
++ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
+ } put_user_catch(err);
+
+ if (err)
+@@ -490,7 +490,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+ 0xb8,
+ __NR_ia32_rt_sigreturn,
+ 0x80cd,
+- 0,
++ 0
+ };
+
+ frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
+@@ -520,16 +520,18 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+
+ if (ka->sa.sa_flags & SA_RESTORER)
+ restorer = ka->sa.sa_restorer;
++ else if (current->mm->context.vdso)
++ /* Return stub is in 32bit vsyscall page */
++ restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
+ else
+- restorer = VDSO32_SYMBOL(current->mm->context.vdso,
+- rt_sigreturn);
++ restorer = &frame->retcode;
+ put_user_ex(ptr_to_compat(restorer), &frame->pretcode);
+
+ /*
+ * Not actually used anymore, but left because some gdb
+ * versions need it.
+ */
+- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
++ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
+ } put_user_catch(err);
+
+ if (err)
+diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
+index 20e5f7b..f33c779 100644
+--- a/arch/x86/ia32/ia32entry.S
++++ b/arch/x86/ia32/ia32entry.S
+@@ -14,8 +14,10 @@
+ #include <asm/segment.h>
+ #include <asm/irqflags.h>
+ #include <asm/asm.h>
++#include <asm/pgtable.h>
+ #include <linux/linkage.h>
+ #include <linux/err.h>
++#include <asm/alternative-asm.h>
+
+ /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
+ #include <linux/elf-em.h>
+@@ -95,6 +97,32 @@ ENTRY(native_irq_enable_sysexit)
+ ENDPROC(native_irq_enable_sysexit)
+ #endif
+
++ .macro pax_enter_kernel_user
++ pax_set_fptr_mask
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ call pax_enter_kernel_user
++#endif
++ .endm
++
++ .macro pax_exit_kernel_user
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ call pax_exit_kernel_user
++#endif
++#ifdef CONFIG_PAX_RANDKSTACK
++ pushq %rax
++ pushq %r11
++ call pax_randomize_kstack
++ popq %r11
++ popq %rax
++#endif
++ .endm
++
++.macro pax_erase_kstack
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++ call pax_erase_kstack
++#endif
++.endm
++
+ /*
+ * 32bit SYSENTER instruction entry.
+ *
+@@ -121,12 +149,6 @@ ENTRY(ia32_sysenter_target)
+ CFI_REGISTER rsp,rbp
+ SWAPGS_UNSAFE_STACK
+ movq PER_CPU_VAR(kernel_stack), %rsp
+- addq $(KERNEL_STACK_OFFSET),%rsp
+- /*
+- * No need to follow this irqs on/off section: the syscall
+- * disabled irqs, here we enable it straight after entry:
+- */
+- ENABLE_INTERRUPTS(CLBR_NONE)
+ movl %ebp,%ebp /* zero extension */
+ pushq_cfi $__USER32_DS
+ /*CFI_REL_OFFSET ss,0*/
+@@ -134,22 +156,42 @@ ENTRY(ia32_sysenter_target)
+ CFI_REL_OFFSET rsp,0
+ pushfq_cfi
+ /*CFI_REL_OFFSET rflags,0*/
+- movl TI_sysenter_return+THREAD_INFO(%rsp,3*8-KERNEL_STACK_OFFSET),%r10d
+- CFI_REGISTER rip,r10
++ orl $X86_EFLAGS_IF,(%rsp)
++ GET_THREAD_INFO(%r11)
++ movl TI_sysenter_return(%r11), %r11d
++ CFI_REGISTER rip,r11
+ pushq_cfi $__USER32_CS
+ /*CFI_REL_OFFSET cs,0*/
+ movl %eax, %eax
+- pushq_cfi %r10
++ pushq_cfi %r11
+ CFI_REL_OFFSET rip,0
+ pushq_cfi %rax
+ cld
+ SAVE_ARGS 0,1,0
++ pax_enter_kernel_user
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
++ /*
++ * No need to follow this irqs on/off section: the syscall
++ * disabled irqs, here we enable it straight after entry:
++ */
++ ENABLE_INTERRUPTS(CLBR_NONE)
+ /* no need to do an access_ok check here because rbp has been
+ 32bit zero extended */
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ mov $PAX_USER_SHADOW_BASE,%r11
++ add %r11,%rbp
++#endif
++
+ 1: movl (%rbp),%ebp
+ _ASM_EXTABLE(1b,ia32_badarg)
+- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ GET_THREAD_INFO(%r11)
++ orl $TS_COMPAT,TI_status(%r11)
++ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
+ CFI_REMEMBER_STATE
+ jnz sysenter_tracesys
+ cmpq $(IA32_NR_syscalls-1),%rax
+@@ -159,12 +201,15 @@ sysenter_do_call:
+ sysenter_dispatch:
+ call *ia32_sys_call_table(,%rax,8)
+ movq %rax,RAX-ARGOFFSET(%rsp)
++ GET_THREAD_INFO(%r11)
+ DISABLE_INTERRUPTS(CLBR_NONE)
+ TRACE_IRQS_OFF
+- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
+ jnz sysexit_audit
+ sysexit_from_sys_call:
+- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ pax_exit_kernel_user
++ pax_erase_kstack
++ andl $~TS_COMPAT,TI_status(%r11)
+ /* clear IF, that popfq doesn't enable interrupts early */
+ andl $~0x200,EFLAGS-R11(%rsp)
+ movl RIP-R11(%rsp),%edx /* User %eip */
+@@ -190,6 +235,9 @@ sysexit_from_sys_call:
+ movl %eax,%esi /* 2nd arg: syscall number */
+ movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
+ call __audit_syscall_entry
++
++ pax_erase_kstack
++
+ movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
+ cmpq $(IA32_NR_syscalls-1),%rax
+ ja ia32_badsys
+@@ -201,7 +249,7 @@ sysexit_from_sys_call:
+ .endm
+
+ .macro auditsys_exit exit
+- testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
+ jnz ia32_ret_from_sys_call
+ TRACE_IRQS_ON
+ sti
+@@ -212,11 +260,12 @@ sysexit_from_sys_call:
+ 1: setbe %al /* 1 if error, 0 if not */
+ movzbl %al,%edi /* zero-extend that into %edi */
+ call __audit_syscall_exit
++ GET_THREAD_INFO(%r11)
+ movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */
+ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
+ cli
+ TRACE_IRQS_OFF
+- testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl %edi,TI_flags(%r11)
+ jz \exit
+ CLEAR_RREGS -ARGOFFSET
+ jmp int_with_check
+@@ -234,7 +283,7 @@ sysexit_audit:
+
+ sysenter_tracesys:
+ #ifdef CONFIG_AUDITSYSCALL
+- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
+ jz sysenter_auditsys
+ #endif
+ SAVE_REST
+@@ -246,6 +295,9 @@ sysenter_tracesys:
+ RESTORE_REST
+ cmpq $(IA32_NR_syscalls-1),%rax
+ ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
++
++ pax_erase_kstack
++
+ jmp sysenter_do_call
+ CFI_ENDPROC
+ ENDPROC(ia32_sysenter_target)
+@@ -273,19 +325,25 @@ ENDPROC(ia32_sysenter_target)
+ ENTRY(ia32_cstar_target)
+ CFI_STARTPROC32 simple
+ CFI_SIGNAL_FRAME
+- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
++ CFI_DEF_CFA rsp,0
+ CFI_REGISTER rip,rcx
+ /*CFI_REGISTER rflags,r11*/
+ SWAPGS_UNSAFE_STACK
+ movl %esp,%r8d
+ CFI_REGISTER rsp,r8
+ movq PER_CPU_VAR(kernel_stack),%rsp
++ SAVE_ARGS 8*6,0,0
++ pax_enter_kernel_user
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
+ /*
+ * No need to follow this irqs on/off section: the syscall
+ * disabled irqs and here we enable it straight after entry:
+ */
+ ENABLE_INTERRUPTS(CLBR_NONE)
+- SAVE_ARGS 8,0,0
+ movl %eax,%eax /* zero extension */
+ movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
+ movq %rcx,RIP-ARGOFFSET(%rsp)
+@@ -301,10 +359,17 @@ ENTRY(ia32_cstar_target)
+ /* no need to do an access_ok check here because r8 has been
+ 32bit zero extended */
+ /* hardware stack frame is complete now */
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ mov $PAX_USER_SHADOW_BASE,%r11
++ add %r11,%r8
++#endif
++
+ 1: movl (%r8),%r9d
+ _ASM_EXTABLE(1b,ia32_badarg)
+- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ GET_THREAD_INFO(%r11)
++ orl $TS_COMPAT,TI_status(%r11)
++ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
+ CFI_REMEMBER_STATE
+ jnz cstar_tracesys
+ cmpq $IA32_NR_syscalls-1,%rax
+@@ -314,12 +379,15 @@ cstar_do_call:
+ cstar_dispatch:
+ call *ia32_sys_call_table(,%rax,8)
+ movq %rax,RAX-ARGOFFSET(%rsp)
++ GET_THREAD_INFO(%r11)
+ DISABLE_INTERRUPTS(CLBR_NONE)
+ TRACE_IRQS_OFF
+- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
+ jnz sysretl_audit
+ sysretl_from_sys_call:
+- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ pax_exit_kernel_user
++ pax_erase_kstack
++ andl $~TS_COMPAT,TI_status(%r11)
+ RESTORE_ARGS 0,-ARG_SKIP,0,0,0
+ movl RIP-ARGOFFSET(%rsp),%ecx
+ CFI_REGISTER rip,rcx
+@@ -347,7 +415,7 @@ sysretl_audit:
+
+ cstar_tracesys:
+ #ifdef CONFIG_AUDITSYSCALL
+- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
+ jz cstar_auditsys
+ #endif
+ xchgl %r9d,%ebp
+@@ -361,6 +429,9 @@ cstar_tracesys:
+ xchgl %ebp,%r9d
+ cmpq $(IA32_NR_syscalls-1),%rax
+ ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
++
++ pax_erase_kstack
++
+ jmp cstar_do_call
+ END(ia32_cstar_target)
+
+@@ -401,19 +472,26 @@ ENTRY(ia32_syscall)
+ CFI_REL_OFFSET rip,RIP-RIP
+ PARAVIRT_ADJUST_EXCEPTION_FRAME
+ SWAPGS
+- /*
+- * No need to follow this irqs on/off section: the syscall
+- * disabled irqs and here we enable it straight after entry:
+- */
+- ENABLE_INTERRUPTS(CLBR_NONE)
+ movl %eax,%eax
+ pushq_cfi %rax
+ cld
+ /* note the registers are not zero extended to the sf.
+ this could be a problem. */
+ SAVE_ARGS 0,1,0
+- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ pax_enter_kernel_user
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
++ /*
++ * No need to follow this irqs on/off section: the syscall
++ * disabled irqs and here we enable it straight after entry:
++ */
++ ENABLE_INTERRUPTS(CLBR_NONE)
++ GET_THREAD_INFO(%r11)
++ orl $TS_COMPAT,TI_status(%r11)
++ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
+ jnz ia32_tracesys
+ cmpq $(IA32_NR_syscalls-1),%rax
+ ja ia32_badsys
+@@ -436,6 +514,9 @@ ia32_tracesys:
+ RESTORE_REST
+ cmpq $(IA32_NR_syscalls-1),%rax
+ ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
++
++ pax_erase_kstack
++
+ jmp ia32_do_call
+ END(ia32_syscall)
+
+diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
+index 4540bec..714d913 100644
+--- a/arch/x86/ia32/sys_ia32.c
++++ b/arch/x86/ia32/sys_ia32.c
+@@ -69,8 +69,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low,
+ */
+ static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
+ {
+- typeof(ubuf->st_uid) uid = 0;
+- typeof(ubuf->st_gid) gid = 0;
++ typeof(((struct stat64 *)0)->st_uid) uid = 0;
++ typeof(((struct stat64 *)0)->st_gid) gid = 0;
+ SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid));
+ SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid));
+ if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
+@@ -287,7 +287,7 @@ asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
+ return ret;
+ }
+
+-asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
++asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr,
+ int options)
+ {
+ return compat_sys_wait4(pid, stat_addr, options, NULL);
+@@ -303,7 +303,7 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+- ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
++ ret = sys_sched_rr_get_interval(pid, (struct timespec __force_user *)&t);
+ set_fs(old_fs);
+ if (put_compat_timespec(&t, interval))
+ return -EFAULT;
+@@ -319,7 +319,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+- ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize);
++ ret = sys_rt_sigpending((sigset_t __force_user *)&s, sigsetsize);
+ set_fs(old_fs);
+ if (!ret) {
+ switch (_NSIG_WORDS) {
+@@ -344,7 +344,7 @@ asmlinkage long sys32_rt_sigqueueinfo(int pid, int sig,
+ if (copy_siginfo_from_user32(&info, uinfo))
+ return -EFAULT;
+ set_fs(KERNEL_DS);
+- ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info);
++ ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force_user *)&info);
+ set_fs(old_fs);
+ return ret;
+ }
+@@ -376,7 +376,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
+ return -EFAULT;
+
+ set_fs(KERNEL_DS);
+- ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL,
++ ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __force_user *)&of : NULL,
+ count);
+ set_fs(old_fs);
+
+diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
+index 952bd01..7692c6f 100644
+--- a/arch/x86/include/asm/alternative-asm.h
++++ b/arch/x86/include/asm/alternative-asm.h
+@@ -15,6 +15,45 @@
+ .endm
+ #endif
+
++#ifdef KERNEXEC_PLUGIN
++ .macro pax_force_retaddr_bts rip=0
++ btsq $63,\rip(%rsp)
++ .endm
++#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
++ .macro pax_force_retaddr rip=0, reload=0
++ btsq $63,\rip(%rsp)
++ .endm
++ .macro pax_force_fptr ptr
++ btsq $63,\ptr
++ .endm
++ .macro pax_set_fptr_mask
++ .endm
++#endif
++#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
++ .macro pax_force_retaddr rip=0, reload=0
++ .if \reload
++ pax_set_fptr_mask
++ .endif
++ orq %r10,\rip(%rsp)
++ .endm
++ .macro pax_force_fptr ptr
++ orq %r10,\ptr
++ .endm
++ .macro pax_set_fptr_mask
++ movabs $0x8000000000000000,%r10
++ .endm
++#endif
++#else
++ .macro pax_force_retaddr rip=0, reload=0
++ .endm
++ .macro pax_force_fptr ptr
++ .endm
++ .macro pax_force_retaddr_bts rip=0
++ .endm
++ .macro pax_set_fptr_mask
++ .endm
++#endif
++
+ .macro altinstruction_entry orig alt feature orig_len alt_len
+ .long \orig - .
+ .long \alt - .
+diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
+index 7078068..f58bcda 100644
+--- a/arch/x86/include/asm/alternative.h
++++ b/arch/x86/include/asm/alternative.h
+@@ -105,7 +105,7 @@ static inline int alternatives_text_reserved(void *start, void *end)
+ ".section .discard,\"aw\",@progbits\n" \
+ DISCARD_ENTRY(1) \
+ ".previous\n" \
+- ".section .altinstr_replacement, \"ax\"\n" \
++ ".section .altinstr_replacement, \"a\"\n" \
+ ALTINSTR_REPLACEMENT(newinstr, feature, 1) \
+ ".previous"
+
+@@ -119,7 +119,7 @@ static inline int alternatives_text_reserved(void *start, void *end)
+ DISCARD_ENTRY(1) \
+ DISCARD_ENTRY(2) \
+ ".previous\n" \
+- ".section .altinstr_replacement, \"ax\"\n" \
++ ".section .altinstr_replacement, \"a\"\n" \
+ ALTINSTR_REPLACEMENT(newinstr1, feature1, 1) \
+ ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \
+ ".previous"
+diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
+index f342612..b3fe911 100644
+--- a/arch/x86/include/asm/apic.h
++++ b/arch/x86/include/asm/apic.h
+@@ -44,7 +44,7 @@ static inline void generic_apic_probe(void)
+
+ #ifdef CONFIG_X86_LOCAL_APIC
+
+-extern unsigned int apic_verbosity;
++extern int apic_verbosity;
+ extern int local_apic_timer_c2_ok;
+
+ extern int disable_apic;
+@@ -391,7 +391,7 @@ struct apic {
+ */
+ int (*x86_32_numa_cpu_node)(int cpu);
+ #endif
+-};
++} __do_const;
+
+ /*
+ * Pointer to the local APIC driver in use on this system (there's
+diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h
+index 20370c6..a2eb9b0 100644
+--- a/arch/x86/include/asm/apm.h
++++ b/arch/x86/include/asm/apm.h
+@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in,
+ __asm__ __volatile__(APM_DO_ZERO_SEGS
+ "pushl %%edi\n\t"
+ "pushl %%ebp\n\t"
+- "lcall *%%cs:apm_bios_entry\n\t"
++ "lcall *%%ss:apm_bios_entry\n\t"
+ "setc %%al\n\t"
+ "popl %%ebp\n\t"
+ "popl %%edi\n\t"
+@@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
+ __asm__ __volatile__(APM_DO_ZERO_SEGS
+ "pushl %%edi\n\t"
+ "pushl %%ebp\n\t"
+- "lcall *%%cs:apm_bios_entry\n\t"
++ "lcall *%%ss:apm_bios_entry\n\t"
+ "setc %%bl\n\t"
+ "popl %%ebp\n\t"
+ "popl %%edi\n\t"
+diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
+index 58cb6d4..a4b806c 100644
+--- a/arch/x86/include/asm/atomic.h
++++ b/arch/x86/include/asm/atomic.h
+@@ -22,7 +22,18 @@
+ */
+ static inline int atomic_read(const atomic_t *v)
+ {
+- return (*(volatile int *)&(v)->counter);
++ return (*(volatile const int *)&(v)->counter);
++}
++
++/**
++ * atomic_read_unchecked - read atomic variable
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically reads the value of @v.
++ */
++static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
++{
++ return (*(volatile const int *)&(v)->counter);
+ }
+
+ /**
+@@ -38,6 +49,18 @@ static inline void atomic_set(atomic_t *v, int i)
+ }
+
+ /**
++ * atomic_set_unchecked - set atomic variable
++ * @v: pointer of type atomic_unchecked_t
++ * @i: required value
++ *
++ * Atomically sets the value of @v to @i.
++ */
++static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
++{
++ v->counter = i;
++}
++
++/**
+ * atomic_add - add integer to atomic variable
+ * @i: integer value to add
+ * @v: pointer of type atomic_t
+@@ -46,7 +69,29 @@ static inline void atomic_set(atomic_t *v, int i)
+ */
+ static inline void atomic_add(int i, atomic_t *v)
+ {
+- asm volatile(LOCK_PREFIX "addl %1,%0"
++ asm volatile(LOCK_PREFIX "addl %1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "subl %1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "+m" (v->counter)
++ : "ir" (i));
++}
++
++/**
++ * atomic_add_unchecked - add integer to atomic variable
++ * @i: integer value to add
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically adds @i to @v.
++ */
++static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "addl %1,%0\n"
+ : "+m" (v->counter)
+ : "ir" (i));
+ }
+@@ -60,7 +105,29 @@ static inline void atomic_add(int i, atomic_t *v)
+ */
+ static inline void atomic_sub(int i, atomic_t *v)
+ {
+- asm volatile(LOCK_PREFIX "subl %1,%0"
++ asm volatile(LOCK_PREFIX "subl %1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "addl %1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "+m" (v->counter)
++ : "ir" (i));
++}
++
++/**
++ * atomic_sub_unchecked - subtract integer from atomic variable
++ * @i: integer value to subtract
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically subtracts @i from @v.
++ */
++static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "subl %1,%0\n"
+ : "+m" (v->counter)
+ : "ir" (i));
+ }
+@@ -78,7 +145,16 @@ static inline int atomic_sub_and_test(int i, atomic_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "subl %2,%0; sete %1"
++ asm volatile(LOCK_PREFIX "subl %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "addl %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "+m" (v->counter), "=qm" (c)
+ : "ir" (i) : "memory");
+ return c;
+@@ -92,7 +168,27 @@ static inline int atomic_sub_and_test(int i, atomic_t *v)
+ */
+ static inline void atomic_inc(atomic_t *v)
+ {
+- asm volatile(LOCK_PREFIX "incl %0"
++ asm volatile(LOCK_PREFIX "incl %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "decl %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "+m" (v->counter));
++}
++
++/**
++ * atomic_inc_unchecked - increment atomic variable
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically increments @v by 1.
++ */
++static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "incl %0\n"
+ : "+m" (v->counter));
+ }
+
+@@ -104,7 +200,27 @@ static inline void atomic_inc(atomic_t *v)
+ */
+ static inline void atomic_dec(atomic_t *v)
+ {
+- asm volatile(LOCK_PREFIX "decl %0"
++ asm volatile(LOCK_PREFIX "decl %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "incl %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "+m" (v->counter));
++}
++
++/**
++ * atomic_dec_unchecked - decrement atomic variable
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically decrements @v by 1.
++ */
++static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "decl %0\n"
+ : "+m" (v->counter));
+ }
+
+@@ -120,7 +236,16 @@ static inline int atomic_dec_and_test(atomic_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "decl %0; sete %1"
++ asm volatile(LOCK_PREFIX "decl %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "incl %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "+m" (v->counter), "=qm" (c)
+ : : "memory");
+ return c != 0;
+@@ -138,7 +263,35 @@ static inline int atomic_inc_and_test(atomic_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "incl %0; sete %1"
++ asm volatile(LOCK_PREFIX "incl %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "decl %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
++ : "+m" (v->counter), "=qm" (c)
++ : : "memory");
++ return c != 0;
++}
++
++/**
++ * atomic_inc_and_test_unchecked - increment and test
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically increments @v by 1
++ * and returns true if the result is zero, or false for all
++ * other cases.
++ */
++static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
++{
++ unsigned char c;
++
++ asm volatile(LOCK_PREFIX "incl %0\n"
++ "sete %1\n"
+ : "+m" (v->counter), "=qm" (c)
+ : : "memory");
+ return c != 0;
+@@ -157,7 +310,16 @@ static inline int atomic_add_negative(int i, atomic_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "addl %2,%0; sets %1"
++ asm volatile(LOCK_PREFIX "addl %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "subl %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sets %1\n"
+ : "+m" (v->counter), "=qm" (c)
+ : "ir" (i) : "memory");
+ return c;
+@@ -179,7 +341,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
+ goto no_xadd;
+ #endif
+ /* Modern 486+ processor */
+- return i + xadd(&v->counter, i);
++ return i + xadd_check_overflow(&v->counter, i);
+
+ #ifdef CONFIG_M386
+ no_xadd: /* Legacy 386 processor */
+@@ -192,6 +354,34 @@ no_xadd: /* Legacy 386 processor */
+ }
+
+ /**
++ * atomic_add_return_unchecked - add integer and return
++ * @i: integer value to add
++ * @v: pointer of type atomic_unchecked_t
++ *
++ * Atomically adds @i to @v and returns @i + @v
++ */
++static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
++{
++#ifdef CONFIG_M386
++ int __i;
++ unsigned long flags;
++ if (unlikely(boot_cpu_data.x86 <= 3))
++ goto no_xadd;
++#endif
++ /* Modern 486+ processor */
++ return i + xadd(&v->counter, i);
++
++#ifdef CONFIG_M386
++no_xadd: /* Legacy 386 processor */
++ raw_local_irq_save(flags);
++ __i = atomic_read_unchecked(v);
++ atomic_set_unchecked(v, i + __i);
++ raw_local_irq_restore(flags);
++ return i + __i;
++#endif
++}
++
++/**
+ * atomic_sub_return - subtract integer and return
+ * @v: pointer of type atomic_t
+ * @i: integer value to subtract
+@@ -204,6 +394,10 @@ static inline int atomic_sub_return(int i, atomic_t *v)
+ }
+
+ #define atomic_inc_return(v) (atomic_add_return(1, v))
++static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
++{
++ return atomic_add_return_unchecked(1, v);
++}
+ #define atomic_dec_return(v) (atomic_sub_return(1, v))
+
+ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+@@ -211,11 +405,21 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+ return cmpxchg(&v->counter, old, new);
+ }
+
++static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
++{
++ return cmpxchg(&v->counter, old, new);
++}
++
+ static inline int atomic_xchg(atomic_t *v, int new)
+ {
+ return xchg(&v->counter, new);
+ }
+
++static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
++{
++ return xchg(&v->counter, new);
++}
++
+ /**
+ * __atomic_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic_t
+@@ -227,12 +431,25 @@ static inline int atomic_xchg(atomic_t *v, int new)
+ */
+ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ {
+- int c, old;
++ int c, old, new;
+ c = atomic_read(v);
+ for (;;) {
+- if (unlikely(c == (u)))
++ if (unlikely(c == u))
+ break;
+- old = atomic_cmpxchg((v), c, c + (a));
++
++ asm volatile("addl %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "subl %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=r" (new)
++ : "0" (c), "ir" (a));
++
++ old = atomic_cmpxchg(v, c, new);
+ if (likely(old == c))
+ break;
+ c = old;
+@@ -240,6 +457,48 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ return c;
+ }
+
++/**
++ * atomic_inc_not_zero_hint - increment if not null
++ * @v: pointer of type atomic_t
++ * @hint: probable value of the atomic before the increment
++ *
++ * This version of atomic_inc_not_zero() gives a hint of probable
++ * value of the atomic. This helps processor to not read the memory
++ * before doing the atomic read/modify/write cycle, lowering
++ * number of bus transactions on some arches.
++ *
++ * Returns: 0 if increment was not done, 1 otherwise.
++ */
++#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint
++static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
++{
++ int val, c = hint, new;
++
++ /* sanity test, should be removed by compiler if hint is a constant */
++ if (!hint)
++ return __atomic_add_unless(v, 1, 0);
++
++ do {
++ asm volatile("incl %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "decl %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=r" (new)
++ : "0" (c));
++
++ val = atomic_cmpxchg(v, c, new);
++ if (val == c)
++ return 1;
++ c = val;
++ } while (c);
++
++ return 0;
++}
+
+ /*
+ * atomic_dec_if_positive - decrement by 1 if old value positive
+@@ -293,14 +552,37 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
+ #endif
+
+ /* These are x86-specific, used by some header files */
+-#define atomic_clear_mask(mask, addr) \
+- asm volatile(LOCK_PREFIX "andl %0,%1" \
+- : : "r" (~(mask)), "m" (*(addr)) : "memory")
++static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
++{
++ asm volatile(LOCK_PREFIX "andl %1,%0"
++ : "+m" (v->counter)
++ : "r" (~(mask))
++ : "memory");
++}
+
+-#define atomic_set_mask(mask, addr) \
+- asm volatile(LOCK_PREFIX "orl %0,%1" \
+- : : "r" ((unsigned)(mask)), "m" (*(addr)) \
+- : "memory")
++static inline void atomic_clear_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "andl %1,%0"
++ : "+m" (v->counter)
++ : "r" (~(mask))
++ : "memory");
++}
++
++static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
++{
++ asm volatile(LOCK_PREFIX "orl %1,%0"
++ : "+m" (v->counter)
++ : "r" (mask)
++ : "memory");
++}
++
++static inline void atomic_set_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "orl %1,%0"
++ : "+m" (v->counter)
++ : "r" (mask)
++ : "memory");
++}
+
+ /* Atomic operations are already serializing on x86 */
+ #define smp_mb__before_atomic_dec() barrier()
+diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
+index b154de7..aadebd8 100644
+--- a/arch/x86/include/asm/atomic64_32.h
++++ b/arch/x86/include/asm/atomic64_32.h
+@@ -12,6 +12,14 @@ typedef struct {
+ u64 __aligned(8) counter;
+ } atomic64_t;
+
++#ifdef CONFIG_PAX_REFCOUNT
++typedef struct {
++ u64 __aligned(8) counter;
++} atomic64_unchecked_t;
++#else
++typedef atomic64_t atomic64_unchecked_t;
++#endif
++
+ #define ATOMIC64_INIT(val) { (val) }
+
+ #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...)
+@@ -37,21 +45,31 @@ typedef struct {
+ ATOMIC64_DECL_ONE(sym##_386)
+
+ ATOMIC64_DECL_ONE(add_386);
++ATOMIC64_DECL_ONE(add_unchecked_386);
+ ATOMIC64_DECL_ONE(sub_386);
++ATOMIC64_DECL_ONE(sub_unchecked_386);
+ ATOMIC64_DECL_ONE(inc_386);
++ATOMIC64_DECL_ONE(inc_unchecked_386);
+ ATOMIC64_DECL_ONE(dec_386);
++ATOMIC64_DECL_ONE(dec_unchecked_386);
+ #endif
+
+ #define alternative_atomic64(f, out, in...) \
+ __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in)
+
+ ATOMIC64_DECL(read);
++ATOMIC64_DECL(read_unchecked);
+ ATOMIC64_DECL(set);
++ATOMIC64_DECL(set_unchecked);
+ ATOMIC64_DECL(xchg);
+ ATOMIC64_DECL(add_return);
++ATOMIC64_DECL(add_return_unchecked);
+ ATOMIC64_DECL(sub_return);
++ATOMIC64_DECL(sub_return_unchecked);
+ ATOMIC64_DECL(inc_return);
++ATOMIC64_DECL(inc_return_unchecked);
+ ATOMIC64_DECL(dec_return);
++ATOMIC64_DECL(dec_return_unchecked);
+ ATOMIC64_DECL(dec_if_positive);
+ ATOMIC64_DECL(inc_not_zero);
+ ATOMIC64_DECL(add_unless);
+@@ -77,6 +95,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n
+ }
+
+ /**
++ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable
++ * @p: pointer to type atomic64_unchecked_t
++ * @o: expected value
++ * @n: new value
++ *
++ * Atomically sets @v to @n if it was equal to @o and returns
++ * the old value.
++ */
++
++static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n)
++{
++ return cmpxchg64(&v->counter, o, n);
++}
++
++/**
+ * atomic64_xchg - xchg atomic64 variable
+ * @v: pointer to type atomic64_t
+ * @n: value to assign
+@@ -112,6 +145,22 @@ static inline void atomic64_set(atomic64_t *v, long long i)
+ }
+
+ /**
++ * atomic64_set_unchecked - set atomic64 variable
++ * @v: pointer to type atomic64_unchecked_t
++ * @n: value to assign
++ *
++ * Atomically sets the value of @v to @n.
++ */
++static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i)
++{
++ unsigned high = (unsigned)(i >> 32);
++ unsigned low = (unsigned)i;
++ alternative_atomic64(set, /* no output */,
++ "S" (v), "b" (low), "c" (high)
++ : "eax", "edx", "memory");
++}
++
++/**
+ * atomic64_read - read atomic64 variable
+ * @v: pointer to type atomic64_t
+ *
+@@ -125,6 +174,19 @@ static inline long long atomic64_read(const atomic64_t *v)
+ }
+
+ /**
++ * atomic64_read_unchecked - read atomic64 variable
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically reads the value of @v and returns it.
++ */
++static inline long long atomic64_read_unchecked(atomic64_unchecked_t *v)
++{
++ long long r;
++ alternative_atomic64(read, "=&A" (r), "c" (v) : "memory");
++ return r;
++ }
++
++/**
+ * atomic64_add_return - add and return
+ * @i: integer value to add
+ * @v: pointer to type atomic64_t
+@@ -139,6 +201,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v)
+ return i;
+ }
+
++/**
++ * atomic64_add_return_unchecked - add and return
++ * @i: integer value to add
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically adds @i to @v and returns @i + *@v
++ */
++static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v)
++{
++ alternative_atomic64(add_return_unchecked,
++ ASM_OUTPUT2("+A" (i), "+c" (v)),
++ ASM_NO_INPUT_CLOBBER("memory"));
++ return i;
++}
++
+ /*
+ * Other variants with different arithmetic operators:
+ */
+@@ -158,6 +235,14 @@ static inline long long atomic64_inc_return(atomic64_t *v)
+ return a;
+ }
+
++static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
++{
++ long long a;
++ alternative_atomic64(inc_return_unchecked, "=&A" (a),
++ "S" (v) : "memory", "ecx");
++ return a;
++}
++
+ static inline long long atomic64_dec_return(atomic64_t *v)
+ {
+ long long a;
+@@ -182,6 +267,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v)
+ }
+
+ /**
++ * atomic64_add_unchecked - add integer to atomic64 variable
++ * @i: integer value to add
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically adds @i to @v.
++ */
++static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v)
++{
++ __alternative_atomic64(add_unchecked, add_return_unchecked,
++ ASM_OUTPUT2("+A" (i), "+c" (v)),
++ ASM_NO_INPUT_CLOBBER("memory"));
++ return i;
++}
++
++/**
+ * atomic64_sub - subtract the atomic64 variable
+ * @i: integer value to subtract
+ * @v: pointer to type atomic64_t
+diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
+index 0e1cbfc..5623683 100644
+--- a/arch/x86/include/asm/atomic64_64.h
++++ b/arch/x86/include/asm/atomic64_64.h
+@@ -18,7 +18,19 @@
+ */
+ static inline long atomic64_read(const atomic64_t *v)
+ {
+- return (*(volatile long *)&(v)->counter);
++ return (*(volatile const long *)&(v)->counter);
++}
++
++/**
++ * atomic64_read_unchecked - read atomic64 variable
++ * @v: pointer of type atomic64_unchecked_t
++ *
++ * Atomically reads the value of @v.
++ * Doesn't imply a read memory barrier.
++ */
++static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
++{
++ return (*(volatile const long *)&(v)->counter);
+ }
+
+ /**
+@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i)
+ }
+
+ /**
++ * atomic64_set_unchecked - set atomic64 variable
++ * @v: pointer to type atomic64_unchecked_t
++ * @i: required value
++ *
++ * Atomically sets the value of @v to @i.
++ */
++static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
++{
++ v->counter = i;
++}
++
++/**
+ * atomic64_add - add integer to atomic64 variable
+ * @i: integer value to add
+ * @v: pointer to type atomic64_t
+@@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64_t *v, long i)
+ */
+ static inline void atomic64_add(long i, atomic64_t *v)
+ {
++ asm volatile(LOCK_PREFIX "addq %1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "subq %1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=m" (v->counter)
++ : "er" (i), "m" (v->counter));
++}
++
++/**
++ * atomic64_add_unchecked - add integer to atomic64 variable
++ * @i: integer value to add
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically adds @i to @v.
++ */
++static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v)
++{
+ asm volatile(LOCK_PREFIX "addq %1,%0"
+ : "=m" (v->counter)
+ : "er" (i), "m" (v->counter));
+@@ -56,7 +102,29 @@ static inline void atomic64_add(long i, atomic64_t *v)
+ */
+ static inline void atomic64_sub(long i, atomic64_t *v)
+ {
+- asm volatile(LOCK_PREFIX "subq %1,%0"
++ asm volatile(LOCK_PREFIX "subq %1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "addq %1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=m" (v->counter)
++ : "er" (i), "m" (v->counter));
++}
++
++/**
++ * atomic64_sub_unchecked - subtract the atomic64 variable
++ * @i: integer value to subtract
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically subtracts @i from @v.
++ */
++static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "subq %1,%0\n"
+ : "=m" (v->counter)
+ : "er" (i), "m" (v->counter));
+ }
+@@ -74,7 +142,16 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "subq %2,%0; sete %1"
++ asm volatile(LOCK_PREFIX "subq %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "addq %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "=m" (v->counter), "=qm" (c)
+ : "er" (i), "m" (v->counter) : "memory");
+ return c;
+@@ -88,6 +165,27 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v)
+ */
+ static inline void atomic64_inc(atomic64_t *v)
+ {
++ asm volatile(LOCK_PREFIX "incq %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "decq %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=m" (v->counter)
++ : "m" (v->counter));
++}
++
++/**
++ * atomic64_inc_unchecked - increment atomic64 variable
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically increments @v by 1.
++ */
++static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
++{
+ asm volatile(LOCK_PREFIX "incq %0"
+ : "=m" (v->counter)
+ : "m" (v->counter));
+@@ -101,7 +199,28 @@ static inline void atomic64_inc(atomic64_t *v)
+ */
+ static inline void atomic64_dec(atomic64_t *v)
+ {
+- asm volatile(LOCK_PREFIX "decq %0"
++ asm volatile(LOCK_PREFIX "decq %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "incq %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=m" (v->counter)
++ : "m" (v->counter));
++}
++
++/**
++ * atomic64_dec_unchecked - decrement atomic64 variable
++ * @v: pointer to type atomic64_t
++ *
++ * Atomically decrements @v by 1.
++ */
++static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
++{
++ asm volatile(LOCK_PREFIX "decq %0\n"
+ : "=m" (v->counter)
+ : "m" (v->counter));
+ }
+@@ -118,7 +237,16 @@ static inline int atomic64_dec_and_test(atomic64_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "decq %0; sete %1"
++ asm volatile(LOCK_PREFIX "decq %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "incq %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "=m" (v->counter), "=qm" (c)
+ : "m" (v->counter) : "memory");
+ return c != 0;
+@@ -136,7 +264,16 @@ static inline int atomic64_inc_and_test(atomic64_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "incq %0; sete %1"
++ asm volatile(LOCK_PREFIX "incq %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "decq %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "=m" (v->counter), "=qm" (c)
+ : "m" (v->counter) : "memory");
+ return c != 0;
+@@ -155,7 +292,16 @@ static inline int atomic64_add_negative(long i, atomic64_t *v)
+ {
+ unsigned char c;
+
+- asm volatile(LOCK_PREFIX "addq %2,%0; sets %1"
++ asm volatile(LOCK_PREFIX "addq %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX "subq %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sets %1\n"
+ : "=m" (v->counter), "=qm" (c)
+ : "er" (i), "m" (v->counter) : "memory");
+ return c;
+@@ -170,6 +316,18 @@ static inline int atomic64_add_negative(long i, atomic64_t *v)
+ */
+ static inline long atomic64_add_return(long i, atomic64_t *v)
+ {
++ return i + xadd_check_overflow(&v->counter, i);
++}
++
++/**
++ * atomic64_add_return_unchecked - add and return
++ * @i: integer value to add
++ * @v: pointer to type atomic64_unchecked_t
++ *
++ * Atomically adds @i to @v and returns @i + @v
++ */
++static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v)
++{
+ return i + xadd(&v->counter, i);
+ }
+
+@@ -179,6 +337,10 @@ static inline long atomic64_sub_return(long i, atomic64_t *v)
+ }
+
+ #define atomic64_inc_return(v) (atomic64_add_return(1, (v)))
++static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
++{
++ return atomic64_add_return_unchecked(1, v);
++}
+ #define atomic64_dec_return(v) (atomic64_sub_return(1, (v)))
+
+ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
+@@ -186,6 +348,11 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
+ return cmpxchg(&v->counter, old, new);
+ }
+
++static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new)
++{
++ return cmpxchg(&v->counter, old, new);
++}
++
+ static inline long atomic64_xchg(atomic64_t *v, long new)
+ {
+ return xchg(&v->counter, new);
+@@ -202,17 +369,30 @@ static inline long atomic64_xchg(atomic64_t *v, long new)
+ */
+ static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
+ {
+- long c, old;
++ long c, old, new;
+ c = atomic64_read(v);
+ for (;;) {
+- if (unlikely(c == (u)))
++ if (unlikely(c == u))
+ break;
+- old = atomic64_cmpxchg((v), c, c + (a));
++
++ asm volatile("add %2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "sub %2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ : "=r" (new)
++ : "0" (c), "ir" (a));
++
++ old = atomic64_cmpxchg(v, c, new);
+ if (likely(old == c))
+ break;
+ c = old;
+ }
+- return c != (u);
++ return c != u;
+ }
+
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
+index 72f5009..2f8b9a9 100644
+--- a/arch/x86/include/asm/bitops.h
++++ b/arch/x86/include/asm/bitops.h
+@@ -40,7 +40,7 @@
+ * a mask operation on a byte.
+ */
+ #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr))
+-#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3))
++#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3))
+ #define CONST_MASK(nr) (1 << ((nr) & 7))
+
+ /**
+diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
+index b13fe63..0dab13a 100644
+--- a/arch/x86/include/asm/boot.h
++++ b/arch/x86/include/asm/boot.h
+@@ -11,10 +11,15 @@
+ #include <asm/pgtable_types.h>
+
+ /* Physical address where kernel should be loaded. */
+-#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
++#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
+ + (CONFIG_PHYSICAL_ALIGN - 1)) \
+ & ~(CONFIG_PHYSICAL_ALIGN - 1))
+
++#ifndef __ASSEMBLY__
++extern unsigned char __LOAD_PHYSICAL_ADDR[];
++#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR)
++#endif
++
+ /* Minimum kernel alignment, as a power of two */
+ #ifdef CONFIG_X86_64
+ #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
+diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
+index 48f99f1..d78ebf9 100644
+--- a/arch/x86/include/asm/cache.h
++++ b/arch/x86/include/asm/cache.h
+@@ -5,12 +5,13 @@
+
+ /* L1 cache line size */
+ #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
+
+ #define __read_mostly __attribute__((__section__(".data..read_mostly")))
++#define __read_only __attribute__((__section__(".data..read_only")))
+
+ #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
+-#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
++#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT)
+
+ #ifdef CONFIG_X86_VSMP
+ #ifdef CONFIG_SMP
+diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
+index 9863ee3..4a1f8e1 100644
+--- a/arch/x86/include/asm/cacheflush.h
++++ b/arch/x86/include/asm/cacheflush.h
+@@ -27,7 +27,7 @@ static inline unsigned long get_page_memtype(struct page *pg)
+ unsigned long pg_flags = pg->flags & _PGMT_MASK;
+
+ if (pg_flags == _PGMT_DEFAULT)
+- return -1;
++ return ~0UL;
+ else if (pg_flags == _PGMT_WC)
+ return _PAGE_CACHE_WC;
+ else if (pg_flags == _PGMT_UC_MINUS)
+diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
+index 46fc474..b02b0f9 100644
+--- a/arch/x86/include/asm/checksum_32.h
++++ b/arch/x86/include/asm/checksum_32.h
+@@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
+ int len, __wsum sum,
+ int *src_err_ptr, int *dst_err_ptr);
+
++asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst,
++ int len, __wsum sum,
++ int *src_err_ptr, int *dst_err_ptr);
++
++asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst,
++ int len, __wsum sum,
++ int *src_err_ptr, int *dst_err_ptr);
++
+ /*
+ * Note: when you get a NULL pointer exception here this means someone
+ * passed in an incorrect kernel address to one of these functions.
+@@ -50,7 +58,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src,
+ int *err_ptr)
+ {
+ might_sleep();
+- return csum_partial_copy_generic((__force void *)src, dst,
++ return csum_partial_copy_generic_from_user((__force void *)src, dst,
+ len, sum, err_ptr, NULL);
+ }
+
+@@ -178,7 +186,7 @@ static inline __wsum csum_and_copy_to_user(const void *src,
+ {
+ might_sleep();
+ if (access_ok(VERIFY_WRITE, dst, len))
+- return csum_partial_copy_generic(src, (__force void *)dst,
++ return csum_partial_copy_generic_to_user(src, (__force void *)dst,
+ len, sum, NULL, err_ptr);
+
+ if (len)
+diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
+index 99480e5..d81165b 100644
+--- a/arch/x86/include/asm/cmpxchg.h
++++ b/arch/x86/include/asm/cmpxchg.h
+@@ -14,8 +14,12 @@ extern void __cmpxchg_wrong_size(void)
+ __compiletime_error("Bad argument size for cmpxchg");
+ extern void __xadd_wrong_size(void)
+ __compiletime_error("Bad argument size for xadd");
++extern void __xadd_check_overflow_wrong_size(void)
++ __compiletime_error("Bad argument size for xadd_check_overflow");
+ extern void __add_wrong_size(void)
+ __compiletime_error("Bad argument size for add");
++extern void __add_check_overflow_wrong_size(void)
++ __compiletime_error("Bad argument size for add_check_overflow");
+
+ /*
+ * Constants for operation sizes. On 32-bit, the 64-bit size it set to
+@@ -67,6 +71,34 @@ extern void __add_wrong_size(void)
+ __ret; \
+ })
+
++#define __xchg_op_check_overflow(ptr, arg, op, lock) \
++ ({ \
++ __typeof__ (*(ptr)) __ret = (arg); \
++ switch (sizeof(*(ptr))) { \
++ case __X86_CASE_L: \
++ asm volatile (lock #op "l %0, %1\n" \
++ "jno 0f\n" \
++ "mov %0,%1\n" \
++ "int $4\n0:\n" \
++ _ASM_EXTABLE(0b, 0b) \
++ : "+r" (__ret), "+m" (*(ptr)) \
++ : : "memory", "cc"); \
++ break; \
++ case __X86_CASE_Q: \
++ asm volatile (lock #op "q %q0, %1\n" \
++ "jno 0f\n" \
++ "mov %0,%1\n" \
++ "int $4\n0:\n" \
++ _ASM_EXTABLE(0b, 0b) \
++ : "+r" (__ret), "+m" (*(ptr)) \
++ : : "memory", "cc"); \
++ break; \
++ default: \
++ __ ## op ## _check_overflow_wrong_size(); \
++ } \
++ __ret; \
++ })
++
+ /*
+ * Note: no "lock" prefix even on SMP: xchg always implies lock anyway.
+ * Since this is generally used to protect other memory information, we
+@@ -167,6 +199,9 @@ extern void __add_wrong_size(void)
+ #define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ")
+ #define xadd_local(ptr, inc) __xadd((ptr), (inc), "")
+
++#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock)
++#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX)
++
+ #define __add(ptr, inc, lock) \
+ ({ \
+ __typeof__ (*(ptr)) __ret = (inc); \
+diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
+index 6b7ee5f..9d664b3 100644
+--- a/arch/x86/include/asm/cpufeature.h
++++ b/arch/x86/include/asm/cpufeature.h
+@@ -202,13 +202,14 @@
+ #define X86_FEATURE_BMI1 (9*32+ 3) /* 1st group bit manipulation extensions */
+ #define X86_FEATURE_HLE (9*32+ 4) /* Hardware Lock Elision */
+ #define X86_FEATURE_AVX2 (9*32+ 5) /* AVX2 instructions */
+-#define X86_FEATURE_SMEP (9*32+ 7) /* Supervisor Mode Execution Protection */
++#define X86_FEATURE_SMEP (9*32+ 7) /* Supervisor Mode Execution Prevention */
+ #define X86_FEATURE_BMI2 (9*32+ 8) /* 2nd group bit manipulation extensions */
+ #define X86_FEATURE_ERMS (9*32+ 9) /* Enhanced REP MOVSB/STOSB */
+ #define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */
+ #define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */
+ #define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */
+ #define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */
++#define X86_FEATURE_SMAP (9*32+20) /* Supervisor Mode Access Prevention */
+
+ #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+
+@@ -373,7 +374,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
+ ".section .discard,\"aw\",@progbits\n"
+ " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
+ ".previous\n"
+- ".section .altinstr_replacement,\"ax\"\n"
++ ".section .altinstr_replacement,\"a\"\n"
+ "3: movb $1,%0\n"
+ "4:\n"
+ ".previous\n"
+diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
+index 8bf1c06..f723dfd 100644
+--- a/arch/x86/include/asm/desc.h
++++ b/arch/x86/include/asm/desc.h
+@@ -4,6 +4,7 @@
+ #include <asm/desc_defs.h>
+ #include <asm/ldt.h>
+ #include <asm/mmu.h>
++#include <asm/pgtable.h>
+
+ #include <linux/smp.h>
+ #include <linux/percpu.h>
+@@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
+
+ desc->type = (info->read_exec_only ^ 1) << 1;
+ desc->type |= info->contents << 2;
++ desc->type |= info->seg_not_present ^ 1;
+
+ desc->s = 1;
+ desc->dpl = 0x3;
+@@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
+ }
+
+ extern struct desc_ptr idt_descr;
+-extern gate_desc idt_table[];
+ extern struct desc_ptr nmi_idt_descr;
+-extern gate_desc nmi_idt_table[];
+-
+-struct gdt_page {
+- struct desc_struct gdt[GDT_ENTRIES];
+-} __attribute__((aligned(PAGE_SIZE)));
+-
+-DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page);
++extern gate_desc idt_table[256];
++extern gate_desc nmi_idt_table[256];
+
++extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)];
+ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
+ {
+- return per_cpu(gdt_page, cpu).gdt;
++ return cpu_gdt_table[cpu];
+ }
+
+ #ifdef CONFIG_X86_64
+@@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type,
+ unsigned long base, unsigned dpl, unsigned flags,
+ unsigned short seg)
+ {
+- gate->a = (seg << 16) | (base & 0xffff);
+- gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8);
++ gate->gate.offset_low = base;
++ gate->gate.seg = seg;
++ gate->gate.reserved = 0;
++ gate->gate.type = type;
++ gate->gate.s = 0;
++ gate->gate.dpl = dpl;
++ gate->gate.p = 1;
++ gate->gate.offset_high = base >> 16;
+ }
+
+ #endif
+@@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
+
+ static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate)
+ {
++ pax_open_kernel();
+ memcpy(&idt[entry], gate, sizeof(*gate));
++ pax_close_kernel();
+ }
+
+ static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc)
+ {
++ pax_open_kernel();
+ memcpy(&ldt[entry], desc, 8);
++ pax_close_kernel();
+ }
+
+ static inline void
+@@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int
+ default: size = sizeof(*gdt); break;
+ }
+
++ pax_open_kernel();
+ memcpy(&gdt[entry], desc, size);
++ pax_close_kernel();
+ }
+
+ static inline void pack_descriptor(struct desc_struct *desc, unsigned long base,
+@@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
+
+ static inline void native_load_tr_desc(void)
+ {
++ pax_open_kernel();
+ asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8));
++ pax_close_kernel();
+ }
+
+ static inline void native_load_gdt(const struct desc_ptr *dtr)
+@@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
+ struct desc_struct *gdt = get_cpu_gdt_table(cpu);
+ unsigned int i;
+
++ pax_open_kernel();
+ for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
+ gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i];
++ pax_close_kernel();
+ }
+
+ #define _LDT_empty(info) \
+@@ -311,7 +324,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit)
+ }
+
+ #ifdef CONFIG_X86_64
+-static inline void set_nmi_gate(int gate, void *addr)
++static inline void set_nmi_gate(int gate, const void *addr)
+ {
+ gate_desc s;
+
+@@ -320,7 +333,7 @@ static inline void set_nmi_gate(int gate, void *addr)
+ }
+ #endif
+
+-static inline void _set_gate(int gate, unsigned type, void *addr,
++static inline void _set_gate(int gate, unsigned type, const void *addr,
+ unsigned dpl, unsigned ist, unsigned seg)
+ {
+ gate_desc s;
+@@ -339,7 +352,7 @@ static inline void _set_gate(int gate, unsigned type, void *addr,
+ * Pentium F0 0F bugfix can have resulted in the mapped
+ * IDT being write-protected.
+ */
+-static inline void set_intr_gate(unsigned int n, void *addr)
++static inline void set_intr_gate(unsigned int n, const void *addr)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS);
+@@ -369,19 +382,19 @@ static inline void alloc_intr_gate(unsigned int n, void *addr)
+ /*
+ * This routine sets up an interrupt gate at directory privilege level 3.
+ */
+-static inline void set_system_intr_gate(unsigned int n, void *addr)
++static inline void set_system_intr_gate(unsigned int n, const void *addr)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS);
+ }
+
+-static inline void set_system_trap_gate(unsigned int n, void *addr)
++static inline void set_system_trap_gate(unsigned int n, const void *addr)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS);
+ }
+
+-static inline void set_trap_gate(unsigned int n, void *addr)
++static inline void set_trap_gate(unsigned int n, const void *addr)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS);
+@@ -390,19 +403,31 @@ static inline void set_trap_gate(unsigned int n, void *addr)
+ static inline void set_task_gate(unsigned int n, unsigned int gdt_entry)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3));
++ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3));
+ }
+
+-static inline void set_intr_gate_ist(int n, void *addr, unsigned ist)
++static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS);
+ }
+
+-static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist)
++static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist)
+ {
+ BUG_ON((unsigned)n > 0xFF);
+ _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS);
+ }
+
++#ifdef CONFIG_X86_32
++static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu)
++{
++ struct desc_struct d;
++
++ if (likely(limit))
++ limit = (limit - 1UL) >> PAGE_SHIFT;
++ pack_descriptor(&d, base, limit, 0xFB, 0xC);
++ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S);
++}
++#endif
++
+ #endif /* _ASM_X86_DESC_H */
+diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
+index 278441f..b95a174 100644
+--- a/arch/x86/include/asm/desc_defs.h
++++ b/arch/x86/include/asm/desc_defs.h
+@@ -31,6 +31,12 @@ struct desc_struct {
+ unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1;
+ unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8;
+ };
++ struct {
++ u16 offset_low;
++ u16 seg;
++ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1;
++ unsigned offset_high: 16;
++ } gate;
+ };
+ } __attribute__((packed));
+
+diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
+index 3778256..c5d4fce 100644
+--- a/arch/x86/include/asm/e820.h
++++ b/arch/x86/include/asm/e820.h
+@@ -69,7 +69,7 @@ struct e820map {
+ #define ISA_START_ADDRESS 0xa0000
+ #define ISA_END_ADDRESS 0x100000
+
+-#define BIOS_BEGIN 0x000a0000
++#define BIOS_BEGIN 0x000c0000
+ #define BIOS_END 0x00100000
+
+ #define BIOS_ROM_BASE 0xffe00000
+diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
+index 5939f44..f8845f6 100644
+--- a/arch/x86/include/asm/elf.h
++++ b/arch/x86/include/asm/elf.h
+@@ -243,7 +243,25 @@ extern int force_personality32;
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
++#ifdef CONFIG_PAX_SEGMEXEC
++#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2)
++#else
+ #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
++#endif
++
++#ifdef CONFIG_PAX_ASLR
++#ifdef CONFIG_X86_32
++#define PAX_ELF_ET_DYN_BASE 0x10000000UL
++
++#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
++#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
++#else
++#define PAX_ELF_ET_DYN_BASE 0x400000UL
++
++#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
++#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
++#endif
++#endif
+
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. This could be done in user space,
+@@ -296,16 +314,12 @@ do { \
+
+ #define ARCH_DLINFO \
+ do { \
+- if (vdso_enabled) \
+- NEW_AUX_ENT(AT_SYSINFO_EHDR, \
+- (unsigned long)current->mm->context.vdso); \
++ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
+ } while (0)
+
+ #define ARCH_DLINFO_X32 \
+ do { \
+- if (vdso_enabled) \
+- NEW_AUX_ENT(AT_SYSINFO_EHDR, \
+- (unsigned long)current->mm->context.vdso); \
++ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
+ } while (0)
+
+ #define AT_SYSINFO 32
+@@ -320,7 +334,7 @@ else \
+
+ #endif /* !CONFIG_X86_32 */
+
+-#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
++#define VDSO_CURRENT_BASE (current->mm->context.vdso)
+
+ #define VDSO_ENTRY \
+ ((unsigned long)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall))
+@@ -336,9 +350,6 @@ extern int x32_setup_additional_pages(struct linux_binprm *bprm,
+ extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
+ #define compat_arch_setup_additional_pages syscall32_setup_pages
+
+-extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+-#define arch_randomize_brk arch_randomize_brk
+-
+ /*
+ * True on X86_32 or when emulating IA32 on X86_64
+ */
+diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
+index 75ce3f4..882e801 100644
+--- a/arch/x86/include/asm/emergency-restart.h
++++ b/arch/x86/include/asm/emergency-restart.h
+@@ -13,6 +13,6 @@ enum reboot_type {
+
+ extern enum reboot_type reboot_type;
+
+-extern void machine_emergency_restart(void);
++extern void machine_emergency_restart(void) __noreturn;
+
+ #endif /* _ASM_X86_EMERGENCY_RESTART_H */
+diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
+index 75f4c6d..ee3eb8f 100644
+--- a/arch/x86/include/asm/fpu-internal.h
++++ b/arch/x86/include/asm/fpu-internal.h
+@@ -86,6 +86,11 @@ static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
+ {
+ int err;
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
++ fx = (struct i387_fxsave_struct __user *)((void *)fx + PAX_USER_SHADOW_BASE);
++#endif
++
+ /* See comment in fxsave() below. */
+ #ifdef CONFIG_AS_FXSAVEQ
+ asm volatile("1: fxrstorq %[fx]\n\t"
+@@ -115,6 +120,11 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
+ {
+ int err;
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
++ fx = (struct i387_fxsave_struct __user *)((void __user *)fx + PAX_USER_SHADOW_BASE);
++#endif
++
+ /*
+ * Clear the bytes not touched by the fxsave and reserved
+ * for the SW usage.
+@@ -271,7 +281,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
+ "emms\n\t" /* clear stack tags */
+ "fildl %P[addr]", /* set F?P to defined value */
+ X86_FEATURE_FXSAVE_LEAK,
+- [addr] "m" (tsk->thread.fpu.has_fpu));
++ [addr] "m" (init_tss[smp_processor_id()].x86_tss.sp0));
+
+ return fpu_restore_checking(&tsk->thread.fpu);
+ }
+diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
+index 71ecbcb..bac10b7 100644
+--- a/arch/x86/include/asm/futex.h
++++ b/arch/x86/include/asm/futex.h
+@@ -11,16 +11,18 @@
+ #include <asm/processor.h>
+
+ #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
++ typecheck(u32 __user *, uaddr); \
+ asm volatile("1:\t" insn "\n" \
+ "2:\t.section .fixup,\"ax\"\n" \
+ "3:\tmov\t%3, %1\n" \
+ "\tjmp\t2b\n" \
+ "\t.previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \
++ : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr))\
+ : "i" (-EFAULT), "0" (oparg), "1" (0))
+
+ #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
++ typecheck(u32 __user *, uaddr); \
+ asm volatile("1:\tmovl %2, %0\n" \
+ "\tmovl\t%0, %3\n" \
+ "\t" insn "\n" \
+@@ -33,7 +35,7 @@
+ _ASM_EXTABLE(1b, 4b) \
+ _ASM_EXTABLE(2b, 4b) \
+ : "=&a" (oldval), "=&r" (ret), \
+- "+m" (*uaddr), "=&r" (tem) \
++ "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \
+ : "r" (oparg), "i" (-EFAULT), "1" (0))
+
+ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
+@@ -60,10 +62,10 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
+
+ switch (op) {
+ case FUTEX_OP_SET:
+- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
++ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ADD:
+- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
++ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval,
+ uaddr, oparg);
+ break;
+ case FUTEX_OP_OR:
+@@ -122,13 +124,13 @@ static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ return -EFAULT;
+
+- asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n"
++ asm volatile("1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"
+ "2:\t.section .fixup, \"ax\"\n"
+ "3:\tmov %3, %0\n"
+ "\tjmp 2b\n"
+ "\t.previous\n"
+ _ASM_EXTABLE(1b, 3b)
+- : "+r" (ret), "=a" (oldval), "+m" (*uaddr)
++ : "+r" (ret), "=a" (oldval), "+m" (*(u32 __user *)____m(uaddr))
+ : "i" (-EFAULT), "r" (newval), "1" (oldval)
+ : "memory"
+ );
+diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
+index eb92a6e..b98b2f4 100644
+--- a/arch/x86/include/asm/hw_irq.h
++++ b/arch/x86/include/asm/hw_irq.h
+@@ -136,8 +136,8 @@ extern void setup_ioapic_dest(void);
+ extern void enable_IO_APIC(void);
+
+ /* Statistics */
+-extern atomic_t irq_err_count;
+-extern atomic_t irq_mis_count;
++extern atomic_unchecked_t irq_err_count;
++extern atomic_unchecked_t irq_mis_count;
+
+ /* EISA */
+ extern void eisa_set_level_irq(unsigned int irq);
+diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
+index d8e8eef..99f81ae 100644
+--- a/arch/x86/include/asm/io.h
++++ b/arch/x86/include/asm/io.h
+@@ -194,6 +194,17 @@ extern void set_iounmap_nonlazy(void);
+
+ #include <linux/vmalloc.h>
+
++#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
++static inline int valid_phys_addr_range(unsigned long addr, size_t count)
++{
++ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
++}
++
++static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count)
++{
++ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
++}
++
+ /*
+ * Convert a virtual cached pointer to an uncached pointer
+ */
+diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
+index bba3cf8..06bc8da 100644
+--- a/arch/x86/include/asm/irqflags.h
++++ b/arch/x86/include/asm/irqflags.h
+@@ -141,6 +141,11 @@ static inline notrace unsigned long arch_local_irq_save(void)
+ sti; \
+ sysexit
+
++#define GET_CR0_INTO_RDI mov %cr0, %rdi
++#define SET_RDI_INTO_CR0 mov %rdi, %cr0
++#define GET_CR3_INTO_RDI mov %cr3, %rdi
++#define SET_RDI_INTO_CR3 mov %rdi, %cr3
++
+ #else
+ #define INTERRUPT_RETURN iret
+ #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
+diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
+index 5478825..839e88c 100644
+--- a/arch/x86/include/asm/kprobes.h
++++ b/arch/x86/include/asm/kprobes.h
+@@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t;
+ #define RELATIVEJUMP_SIZE 5
+ #define RELATIVECALL_OPCODE 0xe8
+ #define RELATIVE_ADDR_SIZE 4
+-#define MAX_STACK_SIZE 64
+-#define MIN_STACK_SIZE(ADDR) \
+- (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
+- THREAD_SIZE - (unsigned long)(ADDR))) \
+- ? (MAX_STACK_SIZE) \
+- : (((unsigned long)current_thread_info()) + \
+- THREAD_SIZE - (unsigned long)(ADDR)))
++#define MAX_STACK_SIZE 64UL
++#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR))
+
+ #define flush_insn_slot(p) do { } while (0)
+
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index 09155d6..d2e6df9 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -694,7 +694,7 @@ struct kvm_x86_ops {
+ int (*check_intercept)(struct kvm_vcpu *vcpu,
+ struct x86_instruction_info *info,
+ enum x86_intercept_stage stage);
+-};
++} __do_const;
+
+ struct kvm_arch_async_pf {
+ u32 token;
+diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
+index c8bed0d..e5721fa 100644
+--- a/arch/x86/include/asm/local.h
++++ b/arch/x86/include/asm/local.h
+@@ -17,26 +17,58 @@ typedef struct {
+
+ static inline void local_inc(local_t *l)
+ {
+- asm volatile(_ASM_INC "%0"
++ asm volatile(_ASM_INC "%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_DEC "%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (l->a.counter));
+ }
+
+ static inline void local_dec(local_t *l)
+ {
+- asm volatile(_ASM_DEC "%0"
++ asm volatile(_ASM_DEC "%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_INC "%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (l->a.counter));
+ }
+
+ static inline void local_add(long i, local_t *l)
+ {
+- asm volatile(_ASM_ADD "%1,%0"
++ asm volatile(_ASM_ADD "%1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_SUB "%1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (l->a.counter)
+ : "ir" (i));
+ }
+
+ static inline void local_sub(long i, local_t *l)
+ {
+- asm volatile(_ASM_SUB "%1,%0"
++ asm volatile(_ASM_SUB "%1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_ADD "%1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (l->a.counter)
+ : "ir" (i));
+ }
+@@ -54,7 +86,16 @@ static inline int local_sub_and_test(long i, local_t *l)
+ {
+ unsigned char c;
+
+- asm volatile(_ASM_SUB "%2,%0; sete %1"
++ asm volatile(_ASM_SUB "%2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_ADD "%2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "+m" (l->a.counter), "=qm" (c)
+ : "ir" (i) : "memory");
+ return c;
+@@ -72,7 +113,16 @@ static inline int local_dec_and_test(local_t *l)
+ {
+ unsigned char c;
+
+- asm volatile(_ASM_DEC "%0; sete %1"
++ asm volatile(_ASM_DEC "%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_INC "%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "+m" (l->a.counter), "=qm" (c)
+ : : "memory");
+ return c != 0;
+@@ -90,7 +140,16 @@ static inline int local_inc_and_test(local_t *l)
+ {
+ unsigned char c;
+
+- asm volatile(_ASM_INC "%0; sete %1"
++ asm volatile(_ASM_INC "%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_DEC "%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sete %1\n"
+ : "+m" (l->a.counter), "=qm" (c)
+ : : "memory");
+ return c != 0;
+@@ -109,7 +168,16 @@ static inline int local_add_negative(long i, local_t *l)
+ {
+ unsigned char c;
+
+- asm volatile(_ASM_ADD "%2,%0; sets %1"
++ asm volatile(_ASM_ADD "%2,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_SUB "%2,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++ "sets %1\n"
+ : "+m" (l->a.counter), "=qm" (c)
+ : "ir" (i) : "memory");
+ return c;
+@@ -132,7 +200,15 @@ static inline long local_add_return(long i, local_t *l)
+ #endif
+ /* Modern 486+ processor */
+ __i = i;
+- asm volatile(_ASM_XADD "%0, %1;"
++ asm volatile(_ASM_XADD "%0, %1\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ _ASM_MOV "%0,%1\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+r" (i), "+m" (l->a.counter)
+ : : "memory");
+ return i + __i;
+diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h
+index 593e51d..fa69c9a 100644
+--- a/arch/x86/include/asm/mman.h
++++ b/arch/x86/include/asm/mman.h
+@@ -5,4 +5,14 @@
+
+ #include <asm-generic/mman.h>
+
++#ifdef __KERNEL__
++#ifndef __ASSEMBLY__
++#ifdef CONFIG_X86_32
++#define arch_mmap_check i386_mmap_check
++int i386_mmap_check(unsigned long addr, unsigned long len,
++ unsigned long flags);
++#endif
++#endif
++#endif
++
+ #endif /* _ASM_X86_MMAN_H */
+diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
+index 5f55e69..e20bfb1 100644
+--- a/arch/x86/include/asm/mmu.h
++++ b/arch/x86/include/asm/mmu.h
+@@ -9,7 +9,7 @@
+ * we put the segment information here.
+ */
+ typedef struct {
+- void *ldt;
++ struct desc_struct *ldt;
+ int size;
+
+ #ifdef CONFIG_X86_64
+@@ -18,7 +18,19 @@ typedef struct {
+ #endif
+
+ struct mutex lock;
+- void *vdso;
++ unsigned long vdso;
++
++#ifdef CONFIG_X86_32
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ unsigned long user_cs_base;
++ unsigned long user_cs_limit;
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
++ cpumask_t cpu_user_cs_mask;
++#endif
++
++#endif
++#endif
+ } mm_context_t;
+
+ #ifdef CONFIG_SMP
+diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
+index cdbf367..adb37ac 100644
+--- a/arch/x86/include/asm/mmu_context.h
++++ b/arch/x86/include/asm/mmu_context.h
+@@ -24,6 +24,18 @@ void destroy_context(struct mm_struct *mm);
+
+ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+ {
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ unsigned int i;
++ pgd_t *pgd;
++
++ pax_open_kernel();
++ pgd = get_cpu_pgd(smp_processor_id());
++ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i)
++ set_pgd_batched(pgd+i, native_make_pgd(0));
++ pax_close_kernel();
++#endif
++
+ #ifdef CONFIG_SMP
+ if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK)
+ this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY);
+@@ -34,16 +46,30 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+ {
+ unsigned cpu = smp_processor_id();
++#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
++ int tlbstate = TLBSTATE_OK;
++#endif
+
+ if (likely(prev != next)) {
+ #ifdef CONFIG_SMP
++#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
++ tlbstate = this_cpu_read(cpu_tlbstate.state);
++#endif
+ this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
+ this_cpu_write(cpu_tlbstate.active_mm, next);
+ #endif
+ cpumask_set_cpu(cpu, mm_cpumask(next));
+
+ /* Re-load page tables */
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ pax_open_kernel();
++ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd);
++ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd);
++ pax_close_kernel();
++ load_cr3(get_cpu_pgd(cpu));
++#else
+ load_cr3(next->pgd);
++#endif
+
+ /* stop flush ipis for the previous mm */
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
+@@ -53,9 +79,38 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ */
+ if (unlikely(prev->context.ldt != next->context.ldt))
+ load_LDT_nolock(&next->context);
+- }
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
++ if (!(__supported_pte_mask & _PAGE_NX)) {
++ smp_mb__before_clear_bit();
++ cpu_clear(cpu, prev->context.cpu_user_cs_mask);
++ smp_mb__after_clear_bit();
++ cpu_set(cpu, next->context.cpu_user_cs_mask);
++ }
++#endif
++
++#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
++ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base ||
++ prev->context.user_cs_limit != next->context.user_cs_limit))
++ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
+ #ifdef CONFIG_SMP
++ else if (unlikely(tlbstate != TLBSTATE_OK))
++ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
++#endif
++#endif
++
++ }
+ else {
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ pax_open_kernel();
++ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd);
++ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd);
++ pax_close_kernel();
++ load_cr3(get_cpu_pgd(cpu));
++#endif
++
++#ifdef CONFIG_SMP
+ this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
+ BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next);
+
+@@ -64,11 +119,28 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ * tlb flush IPI delivery. We must reload CR3
+ * to make sure to use no freed page tables.
+ */
++
++#ifndef CONFIG_PAX_PER_CPU_PGD
+ load_cr3(next->pgd);
++#endif
++
+ load_LDT_nolock(&next->context);
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
++ if (!(__supported_pte_mask & _PAGE_NX))
++ cpu_set(cpu, next->context.cpu_user_cs_mask);
++#endif
++
++#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX)))
++#endif
++ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
++#endif
++
+ }
++#endif
+ }
+-#endif
+ }
+
+ #define activate_mm(prev, next) \
+diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
+index 9eae775..c914fea 100644
+--- a/arch/x86/include/asm/module.h
++++ b/arch/x86/include/asm/module.h
+@@ -5,6 +5,7 @@
+
+ #ifdef CONFIG_X86_64
+ /* X86_64 does not define MODULE_PROC_FAMILY */
++#define MODULE_PROC_FAMILY ""
+ #elif defined CONFIG_M386
+ #define MODULE_PROC_FAMILY "386 "
+ #elif defined CONFIG_M486
+@@ -59,8 +60,20 @@
+ #error unknown processor family
+ #endif
+
+-#ifdef CONFIG_X86_32
+-# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
++#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
++#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS "
++#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR)
++#define MODULE_PAX_KERNEXEC "KERNEXEC_OR "
++#else
++#define MODULE_PAX_KERNEXEC ""
+ #endif
+
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++#define MODULE_PAX_UDEREF "UDEREF "
++#else
++#define MODULE_PAX_UDEREF ""
++#endif
++
++#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF
++
+ #endif /* _ASM_X86_MODULE_H */
+diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
+index 320f7bb..e89f8f8 100644
+--- a/arch/x86/include/asm/page_64_types.h
++++ b/arch/x86/include/asm/page_64_types.h
+@@ -56,7 +56,7 @@ void copy_page(void *to, void *from);
+
+ /* duplicated to the one in bootmem.h */
+ extern unsigned long max_pfn;
+-extern unsigned long phys_base;
++extern const unsigned long phys_base;
+
+ extern unsigned long __phys_addr(unsigned long);
+ #define __phys_reloc_hide(x) (x)
+diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
+index a0facf3..c017b15 100644
+--- a/arch/x86/include/asm/paravirt.h
++++ b/arch/x86/include/asm/paravirt.h
+@@ -632,6 +632,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd)
+ val);
+ }
+
++static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
++{
++ pgdval_t val = native_pgd_val(pgd);
++
++ if (sizeof(pgdval_t) > sizeof(long))
++ PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp,
++ val, (u64)val >> 32);
++ else
++ PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp,
++ val);
++}
++
+ static inline void pgd_clear(pgd_t *pgdp)
+ {
+ set_pgd(pgdp, __pgd(0));
+@@ -713,6 +725,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
+ pv_mmu_ops.set_fixmap(idx, phys, flags);
+ }
+
++#ifdef CONFIG_PAX_KERNEXEC
++static inline unsigned long pax_open_kernel(void)
++{
++ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel);
++}
++
++static inline unsigned long pax_close_kernel(void)
++{
++ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel);
++}
++#else
++static inline unsigned long pax_open_kernel(void) { return 0; }
++static inline unsigned long pax_close_kernel(void) { return 0; }
++#endif
++
+ #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
+
+ static inline int arch_spin_is_locked(struct arch_spinlock *lock)
+@@ -929,7 +956,7 @@ extern void default_banner(void);
+
+ #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4)
+ #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4)
+-#define PARA_INDIRECT(addr) *%cs:addr
++#define PARA_INDIRECT(addr) *%ss:addr
+ #endif
+
+ #define INTERRUPT_RETURN \
+@@ -1004,6 +1031,21 @@ extern void default_banner(void);
+ PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit), \
+ CLBR_NONE, \
+ jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit))
++
++#define GET_CR0_INTO_RDI \
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \
++ mov %rax,%rdi
++
++#define SET_RDI_INTO_CR0 \
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
++
++#define GET_CR3_INTO_RDI \
++ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \
++ mov %rax,%rdi
++
++#define SET_RDI_INTO_CR3 \
++ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3)
++
+ #endif /* CONFIG_X86_32 */
+
+ #endif /* __ASSEMBLY__ */
+diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
+index 142236e..6a6b4a6 100644
+--- a/arch/x86/include/asm/paravirt_types.h
++++ b/arch/x86/include/asm/paravirt_types.h
+@@ -84,20 +84,20 @@ struct pv_init_ops {
+ */
+ unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
+ unsigned long addr, unsigned len);
+-};
++} __no_const;
+
+
+ struct pv_lazy_ops {
+ /* Set deferred update mode, used for batching operations. */
+ void (*enter)(void);
+ void (*leave)(void);
+-};
++} __no_const;
+
+ struct pv_time_ops {
+ unsigned long long (*sched_clock)(void);
+ unsigned long long (*steal_clock)(int cpu);
+ unsigned long (*get_tsc_khz)(void);
+-};
++} __no_const;
+
+ struct pv_cpu_ops {
+ /* hooks for various privileged instructions */
+@@ -191,7 +191,7 @@ struct pv_cpu_ops {
+
+ void (*start_context_switch)(struct task_struct *prev);
+ void (*end_context_switch)(struct task_struct *next);
+-};
++} __no_const;
+
+ struct pv_irq_ops {
+ /*
+@@ -222,7 +222,7 @@ struct pv_apic_ops {
+ unsigned long start_eip,
+ unsigned long start_esp);
+ #endif
+-};
++} __no_const;
+
+ struct pv_mmu_ops {
+ unsigned long (*read_cr2)(void);
+@@ -312,6 +312,7 @@ struct pv_mmu_ops {
+ struct paravirt_callee_save make_pud;
+
+ void (*set_pgd)(pgd_t *pudp, pgd_t pgdval);
++ void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval);
+ #endif /* PAGETABLE_LEVELS == 4 */
+ #endif /* PAGETABLE_LEVELS >= 3 */
+
+@@ -323,6 +324,12 @@ struct pv_mmu_ops {
+ an mfn. We can tell which is which from the index. */
+ void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
+ phys_addr_t phys, pgprot_t flags);
++
++#ifdef CONFIG_PAX_KERNEXEC
++ unsigned long (*pax_open_kernel)(void);
++ unsigned long (*pax_close_kernel)(void);
++#endif
++
+ };
+
+ struct arch_spinlock;
+@@ -333,7 +340,7 @@ struct pv_lock_ops {
+ void (*spin_lock_flags)(struct arch_spinlock *lock, unsigned long flags);
+ int (*spin_trylock)(struct arch_spinlock *lock);
+ void (*spin_unlock)(struct arch_spinlock *lock);
+-};
++} __no_const;
+
+ /* This contains all the paravirt structures: we get a convenient
+ * number for each function using the offset which we use to indicate
+diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
+index b4389a4..7024269 100644
+--- a/arch/x86/include/asm/pgalloc.h
++++ b/arch/x86/include/asm/pgalloc.h
+@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm,
+ pmd_t *pmd, pte_t *pte)
+ {
+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
++ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE));
++}
++
++static inline void pmd_populate_user(struct mm_struct *mm,
++ pmd_t *pmd, pte_t *pte)
++{
++ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
+ set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE));
+ }
+
+@@ -99,12 +106,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
+
+ #ifdef CONFIG_X86_PAE
+ extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
++static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
++{
++ pud_populate(mm, pudp, pmd);
++}
+ #else /* !CONFIG_X86_PAE */
+ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+ {
+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
+ set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
+ }
++
++static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
++{
++ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
++ set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd)));
++}
+ #endif /* CONFIG_X86_PAE */
+
+ #if PAGETABLE_LEVELS > 3
+@@ -114,6 +131,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
+ set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
+ }
+
++static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
++{
++ paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT);
++ set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud)));
++}
++
+ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+ {
+ return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
+diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
+index f2b489c..4f7e2e5 100644
+--- a/arch/x86/include/asm/pgtable-2level.h
++++ b/arch/x86/include/asm/pgtable-2level.h
+@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte)
+
+ static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
+ {
++ pax_open_kernel();
+ *pmdp = pmd;
++ pax_close_kernel();
+ }
+
+ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
+diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
+index 4cc9f2b..5fd9226 100644
+--- a/arch/x86/include/asm/pgtable-3level.h
++++ b/arch/x86/include/asm/pgtable-3level.h
+@@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
+
+ static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
+ {
++ pax_open_kernel();
+ set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd));
++ pax_close_kernel();
+ }
+
+ static inline void native_set_pud(pud_t *pudp, pud_t pud)
+ {
++ pax_open_kernel();
+ set_64bit((unsigned long long *)(pudp), native_pud_val(pud));
++ pax_close_kernel();
+ }
+
+ /*
+diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
+index c3520d7..cf742ef 100644
+--- a/arch/x86/include/asm/pgtable.h
++++ b/arch/x86/include/asm/pgtable.h
+@@ -44,6 +44,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
+
+ #ifndef __PAGETABLE_PUD_FOLDED
+ #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd)
++#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd)
+ #define pgd_clear(pgd) native_pgd_clear(pgd)
+ #endif
+
+@@ -81,12 +82,51 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
+
+ #define arch_end_context_switch(prev) do {} while(0)
+
++#define pax_open_kernel() native_pax_open_kernel()
++#define pax_close_kernel() native_pax_close_kernel()
+ #endif /* CONFIG_PARAVIRT */
+
++#define __HAVE_ARCH_PAX_OPEN_KERNEL
++#define __HAVE_ARCH_PAX_CLOSE_KERNEL
++
++#ifdef CONFIG_PAX_KERNEXEC
++static inline unsigned long native_pax_open_kernel(void)
++{
++ unsigned long cr0;
++
++ preempt_disable();
++ barrier();
++ cr0 = read_cr0() ^ X86_CR0_WP;
++ BUG_ON(unlikely(cr0 & X86_CR0_WP));
++ write_cr0(cr0);
++ return cr0 ^ X86_CR0_WP;
++}
++
++static inline unsigned long native_pax_close_kernel(void)
++{
++ unsigned long cr0;
++
++ cr0 = read_cr0() ^ X86_CR0_WP;
++ BUG_ON(unlikely(!(cr0 & X86_CR0_WP)));
++ write_cr0(cr0);
++ barrier();
++ preempt_enable_no_resched();
++ return cr0 ^ X86_CR0_WP;
++}
++#else
++static inline unsigned long native_pax_open_kernel(void) { return 0; }
++static inline unsigned long native_pax_close_kernel(void) { return 0; }
++#endif
++
+ /*
+ * The following only work if pte_present() is true.
+ * Undefined behaviour if not..
+ */
++static inline int pte_user(pte_t pte)
++{
++ return pte_val(pte) & _PAGE_USER;
++}
++
+ static inline int pte_dirty(pte_t pte)
+ {
+ return pte_flags(pte) & _PAGE_DIRTY;
+@@ -195,9 +235,29 @@ static inline pte_t pte_wrprotect(pte_t pte)
+ return pte_clear_flags(pte, _PAGE_RW);
+ }
+
++static inline pte_t pte_mkread(pte_t pte)
++{
++ return __pte(pte_val(pte) | _PAGE_USER);
++}
++
+ static inline pte_t pte_mkexec(pte_t pte)
+ {
+- return pte_clear_flags(pte, _PAGE_NX);
++#ifdef CONFIG_X86_PAE
++ if (__supported_pte_mask & _PAGE_NX)
++ return pte_clear_flags(pte, _PAGE_NX);
++ else
++#endif
++ return pte_set_flags(pte, _PAGE_USER);
++}
++
++static inline pte_t pte_exprotect(pte_t pte)
++{
++#ifdef CONFIG_X86_PAE
++ if (__supported_pte_mask & _PAGE_NX)
++ return pte_set_flags(pte, _PAGE_NX);
++ else
++#endif
++ return pte_clear_flags(pte, _PAGE_USER);
+ }
+
+ static inline pte_t pte_mkdirty(pte_t pte)
+@@ -389,6 +449,15 @@ pte_t *populate_extra_pte(unsigned long vaddr);
+ #endif
+
+ #ifndef __ASSEMBLY__
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++extern pgd_t cpu_pgd[NR_CPUS][PTRS_PER_PGD];
++static inline pgd_t *get_cpu_pgd(unsigned int cpu)
++{
++ return cpu_pgd[cpu];
++}
++#endif
++
+ #include <linux/mm_types.h>
+
+ static inline int pte_none(pte_t pte)
+@@ -565,7 +634,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
+
+ static inline int pgd_bad(pgd_t pgd)
+ {
+- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE;
++ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE;
+ }
+
+ static inline int pgd_none(pgd_t pgd)
+@@ -588,7 +657,12 @@ static inline int pgd_none(pgd_t pgd)
+ * pgd_offset() returns a (pgd_t *)
+ * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
+ */
+-#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address)))
++#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++#define pgd_offset_cpu(cpu, address) (get_cpu_pgd(cpu) + pgd_index(address))
++#endif
++
+ /*
+ * a shortcut which implies the use of the kernel's pgd, instead
+ * of a process's
+@@ -599,6 +673,20 @@ static inline int pgd_none(pgd_t pgd)
+ #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET)
+ #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY)
+
++#ifdef CONFIG_X86_32
++#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY
++#else
++#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT
++#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT))
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++#define PAX_USER_SHADOW_BASE (_AC(1,UL) << TASK_SIZE_MAX_SHIFT)
++#else
++#define PAX_USER_SHADOW_BASE (_AC(0,UL))
++#endif
++
++#endif
++
+ #ifndef __ASSEMBLY__
+
+ extern int direct_gbpages;
+@@ -763,11 +851,23 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+ * dst and src can be on the same page, but the range must not overlap,
+ * and must not cross a page boundary.
+ */
+-static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
++static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count)
+ {
+- memcpy(dst, src, count * sizeof(pgd_t));
++ pax_open_kernel();
++ while (count--)
++ *dst++ = *src++;
++ pax_close_kernel();
+ }
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src);
++#endif
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src);
++#else
++static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {}
++#endif
+
+ #include <asm-generic/pgtable.h>
+ #endif /* __ASSEMBLY__ */
+diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
+index 0c92113..34a77c6 100644
+--- a/arch/x86/include/asm/pgtable_32.h
++++ b/arch/x86/include/asm/pgtable_32.h
+@@ -25,9 +25,6 @@
+ struct mm_struct;
+ struct vm_area_struct;
+
+-extern pgd_t swapper_pg_dir[1024];
+-extern pgd_t initial_page_table[1024];
+-
+ static inline void pgtable_cache_init(void) { }
+ static inline void check_pgt_cache(void) { }
+ void paging_init(void);
+@@ -48,6 +45,12 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
+ # include <asm/pgtable-2level.h>
+ #endif
+
++extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
++extern pgd_t initial_page_table[PTRS_PER_PGD];
++#ifdef CONFIG_X86_PAE
++extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD];
++#endif
++
+ #if defined(CONFIG_HIGHPTE)
+ #define pte_offset_map(dir, address) \
+ ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
+@@ -62,7 +65,9 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
+ /* Clear a kernel PTE and flush it from the TLB */
+ #define kpte_clear_flush(ptep, vaddr) \
+ do { \
++ pax_open_kernel(); \
+ pte_clear(&init_mm, (vaddr), (ptep)); \
++ pax_close_kernel(); \
+ __flush_tlb_one((vaddr)); \
+ } while (0)
+
+@@ -74,6 +79,9 @@ do { \
+
+ #endif /* !__ASSEMBLY__ */
+
++#define HAVE_ARCH_UNMAPPED_AREA
++#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
++
+ /*
+ * kern_addr_valid() is (1) for FLATMEM and (0) for
+ * SPARSEMEM and DISCONTIGMEM
+diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h
+index ed5903b..c7fe163 100644
+--- a/arch/x86/include/asm/pgtable_32_types.h
++++ b/arch/x86/include/asm/pgtable_32_types.h
+@@ -8,7 +8,7 @@
+ */
+ #ifdef CONFIG_X86_PAE
+ # include <asm/pgtable-3level_types.h>
+-# define PMD_SIZE (1UL << PMD_SHIFT)
++# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)
+ # define PMD_MASK (~(PMD_SIZE - 1))
+ #else
+ # include <asm/pgtable-2level_types.h>
+@@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */
+ # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE)
+ #endif
+
++#ifdef CONFIG_PAX_KERNEXEC
++#ifndef __ASSEMBLY__
++extern unsigned char MODULES_EXEC_VADDR[];
++extern unsigned char MODULES_EXEC_END[];
++#endif
++#include <asm/boot.h>
++#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET)
++#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET)
++#else
++#define ktla_ktva(addr) (addr)
++#define ktva_ktla(addr) (addr)
++#endif
++
+ #define MODULES_VADDR VMALLOC_START
+ #define MODULES_END VMALLOC_END
+ #define MODULES_LEN (MODULES_VADDR - MODULES_END)
+diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
+index 8251be0..4ea8b46 100644
+--- a/arch/x86/include/asm/pgtable_64.h
++++ b/arch/x86/include/asm/pgtable_64.h
+@@ -16,10 +16,14 @@
+
+ extern pud_t level3_kernel_pgt[512];
+ extern pud_t level3_ident_pgt[512];
++extern pud_t level3_vmalloc_start_pgt[512];
++extern pud_t level3_vmalloc_end_pgt[512];
++extern pud_t level3_vmemmap_pgt[512];
++extern pud_t level2_vmemmap_pgt[512];
+ extern pmd_t level2_kernel_pgt[512];
+ extern pmd_t level2_fixmap_pgt[512];
+-extern pmd_t level2_ident_pgt[512];
+-extern pgd_t init_level4_pgt[];
++extern pmd_t level2_ident_pgt[512*2];
++extern pgd_t init_level4_pgt[512];
+
+ #define swapper_pg_dir init_level4_pgt
+
+@@ -61,7 +65,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
+
+ static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
+ {
++ pax_open_kernel();
+ *pmdp = pmd;
++ pax_close_kernel();
+ }
+
+ static inline void native_pmd_clear(pmd_t *pmd)
+@@ -97,7 +103,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
+
+ static inline void native_set_pud(pud_t *pudp, pud_t pud)
+ {
++ pax_open_kernel();
+ *pudp = pud;
++ pax_close_kernel();
+ }
+
+ static inline void native_pud_clear(pud_t *pud)
+@@ -107,6 +115,13 @@ static inline void native_pud_clear(pud_t *pud)
+
+ static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
+ {
++ pax_open_kernel();
++ *pgdp = pgd;
++ pax_close_kernel();
++}
++
++static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
++{
+ *pgdp = pgd;
+ }
+
+diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
+index 766ea16..5b96cb3 100644
+--- a/arch/x86/include/asm/pgtable_64_types.h
++++ b/arch/x86/include/asm/pgtable_64_types.h
+@@ -59,5 +59,10 @@ typedef struct { pteval_t pte; } pte_t;
+ #define MODULES_VADDR _AC(0xffffffffa0000000, UL)
+ #define MODULES_END _AC(0xffffffffff000000, UL)
+ #define MODULES_LEN (MODULES_END - MODULES_VADDR)
++#define MODULES_EXEC_VADDR MODULES_VADDR
++#define MODULES_EXEC_END MODULES_END
++
++#define ktla_ktva(addr) (addr)
++#define ktva_ktla(addr) (addr)
+
+ #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
+diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
+index 013286a..8b42f4f 100644
+--- a/arch/x86/include/asm/pgtable_types.h
++++ b/arch/x86/include/asm/pgtable_types.h
+@@ -16,13 +16,12 @@
+ #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */
+ #define _PAGE_BIT_PAT 7 /* on 4KB pages */
+ #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */
+-#define _PAGE_BIT_UNUSED1 9 /* available for programmer */
++#define _PAGE_BIT_SPECIAL 9 /* special mappings, no associated struct page */
+ #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */
+ #define _PAGE_BIT_HIDDEN 11 /* hidden by kmemcheck */
+ #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */
+-#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1
+-#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1
+-#define _PAGE_BIT_SPLITTING _PAGE_BIT_UNUSED1 /* only valid on a PSE pmd */
++#define _PAGE_BIT_CPA_TEST _PAGE_BIT_SPECIAL
++#define _PAGE_BIT_SPLITTING _PAGE_BIT_SPECIAL /* only valid on a PSE pmd */
+ #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
+
+ /* If _PAGE_BIT_PRESENT is clear, we use these: */
+@@ -40,7 +39,6 @@
+ #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY)
+ #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE)
+ #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
+-#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1)
+ #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP)
+ #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
+ #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
+@@ -57,8 +55,10 @@
+
+ #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
+ #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX)
+-#else
++#elif defined(CONFIG_KMEMCHECK)
+ #define _PAGE_NX (_AT(pteval_t, 0))
++#else
++#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
+ #endif
+
+ #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE)
+@@ -96,6 +96,9 @@
+ #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \
+ _PAGE_ACCESSED)
+
++#define PAGE_READONLY_NOEXEC PAGE_READONLY
++#define PAGE_SHARED_NOEXEC PAGE_SHARED
++
+ #define __PAGE_KERNEL_EXEC \
+ (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL)
+ #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX)
+@@ -106,7 +109,7 @@
+ #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC)
+ #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT)
+ #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD)
+-#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER)
++#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER)
+ #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER)
+ #define __PAGE_KERNEL_VVAR_NOCACHE (__PAGE_KERNEL_VVAR | _PAGE_PCD | _PAGE_PWT)
+ #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE)
+@@ -168,8 +171,8 @@
+ * bits are combined, this will alow user to access the high address mapped
+ * VDSO in the presence of CONFIG_COMPAT_VDSO
+ */
+-#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */
+-#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */
++#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
++#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
+ #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
+ #endif
+
+@@ -207,7 +210,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd)
+ {
+ return native_pgd_val(pgd) & PTE_FLAGS_MASK;
+ }
++#endif
+
++#if PAGETABLE_LEVELS == 3
++#include <asm-generic/pgtable-nopud.h>
++#endif
++
++#if PAGETABLE_LEVELS == 2
++#include <asm-generic/pgtable-nopmd.h>
++#endif
++
++#ifndef __ASSEMBLY__
+ #if PAGETABLE_LEVELS > 3
+ typedef struct { pudval_t pud; } pud_t;
+
+@@ -221,8 +234,6 @@ static inline pudval_t native_pud_val(pud_t pud)
+ return pud.pud;
+ }
+ #else
+-#include <asm-generic/pgtable-nopud.h>
+-
+ static inline pudval_t native_pud_val(pud_t pud)
+ {
+ return native_pgd_val(pud.pgd);
+@@ -242,8 +253,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
+ return pmd.pmd;
+ }
+ #else
+-#include <asm-generic/pgtable-nopmd.h>
+-
+ static inline pmdval_t native_pmd_val(pmd_t pmd)
+ {
+ return native_pgd_val(pmd.pud.pgd);
+@@ -283,7 +292,6 @@ typedef struct page *pgtable_t;
+
+ extern pteval_t __supported_pte_mask;
+ extern void set_nx(void);
+-extern int nx_enabled;
+
+ #define pgprot_writecombine pgprot_writecombine
+ extern pgprot_t pgprot_writecombine(pgprot_t prot);
+diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h
+index aea1d1d..680cf09 100644
+--- a/arch/x86/include/asm/processor-flags.h
++++ b/arch/x86/include/asm/processor-flags.h
+@@ -65,6 +65,7 @@
+ #define X86_CR4_PCIDE 0x00020000 /* enable PCID support */
+ #define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */
+ #define X86_CR4_SMEP 0x00100000 /* enable SMEP support */
++#define X86_CR4_SMAP 0x00200000 /* enable SMAP support */
+
+ /*
+ * x86-64 Task Priority Register, CR8
+diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
+index d048cad..45e350f 100644
+--- a/arch/x86/include/asm/processor.h
++++ b/arch/x86/include/asm/processor.h
+@@ -289,7 +289,7 @@ struct tss_struct {
+
+ } ____cacheline_aligned;
+
+-DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss);
++extern struct tss_struct init_tss[NR_CPUS];
+
+ /*
+ * Save the original ist values for checking stack pointers during debugging
+@@ -822,11 +822,18 @@ static inline void spin_lock_prefetch(const void *x)
+ */
+ #define TASK_SIZE PAGE_OFFSET
+ #define TASK_SIZE_MAX TASK_SIZE
++
++#ifdef CONFIG_PAX_SEGMEXEC
++#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2)
++#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE)
++#else
+ #define STACK_TOP TASK_SIZE
+-#define STACK_TOP_MAX STACK_TOP
++#endif
++
++#define STACK_TOP_MAX TASK_SIZE
+
+ #define INIT_THREAD { \
+- .sp0 = sizeof(init_stack) + (long)&init_stack, \
++ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
+ .vm86_info = NULL, \
+ .sysenter_cs = __KERNEL_CS, \
+ .io_bitmap_ptr = NULL, \
+@@ -840,7 +847,7 @@ static inline void spin_lock_prefetch(const void *x)
+ */
+ #define INIT_TSS { \
+ .x86_tss = { \
+- .sp0 = sizeof(init_stack) + (long)&init_stack, \
++ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
+ .ss0 = __KERNEL_DS, \
+ .ss1 = __KERNEL_CS, \
+ .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \
+@@ -851,11 +858,7 @@ static inline void spin_lock_prefetch(const void *x)
+ extern unsigned long thread_saved_pc(struct task_struct *tsk);
+
+ #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long))
+-#define KSTK_TOP(info) \
+-({ \
+- unsigned long *__ptr = (unsigned long *)(info); \
+- (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \
+-})
++#define KSTK_TOP(info) ((container_of(info, struct task_struct, tinfo))->thread.sp0)
+
+ /*
+ * The below -8 is to reserve 8 bytes on top of the ring0 stack.
+@@ -870,7 +873,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
+ #define task_pt_regs(task) \
+ ({ \
+ struct pt_regs *__regs__; \
+- __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
++ __regs__ = (struct pt_regs *)((task)->thread.sp0); \
+ __regs__ - 1; \
+ })
+
+@@ -880,13 +883,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
+ /*
+ * User space process size. 47bits minus one guard page.
+ */
+-#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE)
++#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE)
+
+ /* This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+ #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \
+- 0xc0000000 : 0xFFFFe000)
++ 0xc0000000 : 0xFFFFf000)
+
+ #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \
+ IA32_PAGE_OFFSET : TASK_SIZE_MAX)
+@@ -897,11 +900,11 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
+ #define STACK_TOP_MAX TASK_SIZE_MAX
+
+ #define INIT_THREAD { \
+- .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
++ .sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
+ }
+
+ #define INIT_TSS { \
+- .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
++ .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
+ }
+
+ /*
+@@ -929,6 +932,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
+ */
+ #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
+
++#ifdef CONFIG_PAX_SEGMEXEC
++#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3))
++#endif
++
+ #define KSTK_EIP(task) (task_pt_regs(task)->ip)
+
+ /* Get/set a process' ability to use the timestamp counter instruction */
+@@ -989,12 +996,12 @@ extern bool cpu_has_amd_erratum(const int *);
+ #define cpu_has_amd_erratum(x) (false)
+ #endif /* CONFIG_CPU_SUP_AMD */
+
+-extern unsigned long arch_align_stack(unsigned long sp);
++#define arch_align_stack(x) ((x) & ~0xfUL)
+ extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
+
+ void default_idle(void);
+ bool set_pm_idle_to_default(void);
+
+-void stop_this_cpu(void *dummy);
++void stop_this_cpu(void *dummy) __noreturn;
+
+ #endif /* _ASM_X86_PROCESSOR_H */
+diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
+index dcfde52..dbfea06 100644
+--- a/arch/x86/include/asm/ptrace.h
++++ b/arch/x86/include/asm/ptrace.h
+@@ -155,28 +155,29 @@ static inline unsigned long regs_return_value(struct pt_regs *regs)
+ }
+
+ /*
+- * user_mode_vm(regs) determines whether a register set came from user mode.
++ * user_mode(regs) determines whether a register set came from user mode.
+ * This is true if V8086 mode was enabled OR if the register set was from
+ * protected mode with RPL-3 CS value. This tricky test checks that with
+ * one comparison. Many places in the kernel can bypass this full check
+- * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
++ * if they have already ruled out V8086 mode, so user_mode_novm(regs) can
++ * be used.
+ */
+-static inline int user_mode(struct pt_regs *regs)
++static inline int user_mode_novm(struct pt_regs *regs)
+ {
+ #ifdef CONFIG_X86_32
+ return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL;
+ #else
+- return !!(regs->cs & 3);
++ return !!(regs->cs & SEGMENT_RPL_MASK);
+ #endif
+ }
+
+-static inline int user_mode_vm(struct pt_regs *regs)
++static inline int user_mode(struct pt_regs *regs)
+ {
+ #ifdef CONFIG_X86_32
+ return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
+ USER_RPL;
+ #else
+- return user_mode(regs);
++ return user_mode_novm(regs);
+ #endif
+ }
+
+@@ -192,15 +193,16 @@ static inline int v8086_mode(struct pt_regs *regs)
+ #ifdef CONFIG_X86_64
+ static inline bool user_64bit_mode(struct pt_regs *regs)
+ {
++ unsigned long cs = regs->cs & 0xffff;
+ #ifndef CONFIG_PARAVIRT
+ /*
+ * On non-paravirt systems, this is the only long mode CPL 3
+ * selector. We do not allow long mode selectors in the LDT.
+ */
+- return regs->cs == __USER_CS;
++ return cs == __USER_CS;
+ #else
+ /* Headers are too twisted for this to go in paravirt.h. */
+- return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;
++ return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs;
+ #endif
+ }
+ #endif
+diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
+index fe1ec5b..dc5c3fe 100644
+--- a/arch/x86/include/asm/realmode.h
++++ b/arch/x86/include/asm/realmode.h
+@@ -22,16 +22,14 @@ struct real_mode_header {
+ #endif
+ /* APM/BIOS reboot */
+ u32 machine_real_restart_asm;
+-#ifdef CONFIG_X86_64
+ u32 machine_real_restart_seg;
+-#endif
+ };
+
+ /* This must match data at trampoline_32/64.S */
+ struct trampoline_header {
+ #ifdef CONFIG_X86_32
+ u32 start;
+- u16 gdt_pad;
++ u16 boot_cs;
+ u16 gdt_limit;
+ u32 gdt_base;
+ #else
+diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
+index a82c4f1..ac45053 100644
+--- a/arch/x86/include/asm/reboot.h
++++ b/arch/x86/include/asm/reboot.h
+@@ -6,13 +6,13 @@
+ struct pt_regs;
+
+ struct machine_ops {
+- void (*restart)(char *cmd);
+- void (*halt)(void);
+- void (*power_off)(void);
++ void (* __noreturn restart)(char *cmd);
++ void (* __noreturn halt)(void);
++ void (* __noreturn power_off)(void);
+ void (*shutdown)(void);
+ void (*crash_shutdown)(struct pt_regs *);
+- void (*emergency_restart)(void);
+-};
++ void (* __noreturn emergency_restart)(void);
++} __no_const;
+
+ extern struct machine_ops machine_ops;
+
+diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
+index 2dbe4a7..ce1db00 100644
+--- a/arch/x86/include/asm/rwsem.h
++++ b/arch/x86/include/asm/rwsem.h
+@@ -64,6 +64,14 @@ static inline void __down_read(struct rw_semaphore *sem)
+ {
+ asm volatile("# beginning down_read\n\t"
+ LOCK_PREFIX _ASM_INC "(%1)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX _ASM_DEC "(%1)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ /* adds 0x00000001 */
+ " jns 1f\n"
+ " call call_rwsem_down_read_failed\n"
+@@ -85,6 +93,14 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
+ "1:\n\t"
+ " mov %1,%2\n\t"
+ " add %3,%2\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "sub %3,%2\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ " jle 2f\n\t"
+ LOCK_PREFIX " cmpxchg %2,%0\n\t"
+ " jnz 1b\n\t"
+@@ -104,6 +120,14 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
+ long tmp;
+ asm volatile("# beginning down_write\n\t"
+ LOCK_PREFIX " xadd %1,(%2)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "mov %1,(%2)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ /* adds 0xffff0001, returns the old value */
+ " test %1,%1\n\t"
+ /* was the count 0 before? */
+@@ -141,6 +165,14 @@ static inline void __up_read(struct rw_semaphore *sem)
+ long tmp;
+ asm volatile("# beginning __up_read\n\t"
+ LOCK_PREFIX " xadd %1,(%2)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "mov %1,(%2)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ /* subtracts 1, returns the old value */
+ " jns 1f\n\t"
+ " call call_rwsem_wake\n" /* expects old value in %edx */
+@@ -159,6 +191,14 @@ static inline void __up_write(struct rw_semaphore *sem)
+ long tmp;
+ asm volatile("# beginning __up_write\n\t"
+ LOCK_PREFIX " xadd %1,(%2)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ "mov %1,(%2)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ /* subtracts 0xffff0001, returns the old value */
+ " jns 1f\n\t"
+ " call call_rwsem_wake\n" /* expects old value in %edx */
+@@ -176,6 +216,14 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
+ {
+ asm volatile("# beginning __downgrade_write\n\t"
+ LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX _ASM_SUB "%2,(%1)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ /*
+ * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386)
+ * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64)
+@@ -194,7 +242,15 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
+ */
+ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
+ {
+- asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0"
++ asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX _ASM_SUB "%1,%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (sem->count)
+ : "er" (delta));
+ }
+@@ -204,7 +260,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
+ */
+ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
+ {
+- return delta + xadd(&sem->count, delta);
++ return delta + xadd_check_overflow(&sem->count, delta);
+ }
+
+ #endif /* __KERNEL__ */
+diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
+index c48a950..c6d7468 100644
+--- a/arch/x86/include/asm/segment.h
++++ b/arch/x86/include/asm/segment.h
+@@ -64,10 +64,15 @@
+ * 26 - ESPFIX small SS
+ * 27 - per-cpu [ offset to per-cpu data area ]
+ * 28 - stack_canary-20 [ for stack protector ]
+- * 29 - unused
+- * 30 - unused
++ * 29 - PCI BIOS CS
++ * 30 - PCI BIOS DS
+ * 31 - TSS for double fault handler
+ */
++#define GDT_ENTRY_KERNEXEC_EFI_CS (1)
++#define GDT_ENTRY_KERNEXEC_EFI_DS (2)
++#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8)
++#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8)
++
+ #define GDT_ENTRY_TLS_MIN 6
+ #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
+
+@@ -79,6 +84,8 @@
+
+ #define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE+0)
+
++#define GDT_ENTRY_KERNEXEC_KERNEL_CS (4)
++
+ #define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE+1)
+
+ #define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE+4)
+@@ -104,6 +111,12 @@
+ #define __KERNEL_STACK_CANARY 0
+ #endif
+
++#define GDT_ENTRY_PCIBIOS_CS (GDT_ENTRY_KERNEL_BASE+17)
++#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8)
++
++#define GDT_ENTRY_PCIBIOS_DS (GDT_ENTRY_KERNEL_BASE+18)
++#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8)
++
+ #define GDT_ENTRY_DOUBLEFAULT_TSS 31
+
+ /*
+@@ -141,7 +154,7 @@
+ */
+
+ /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */
+-#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8)
++#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16)
+
+
+ #else
+@@ -165,6 +178,8 @@
+ #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8+3)
+ #define __USER32_DS __USER_DS
+
++#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7
++
+ #define GDT_ENTRY_TSS 8 /* needs two entries */
+ #define GDT_ENTRY_LDT 10 /* needs two entries */
+ #define GDT_ENTRY_TLS_MIN 12
+@@ -185,6 +200,7 @@
+ #endif
+
+ #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8)
++#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8)
+ #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8)
+ #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8+3)
+ #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8+3)
+@@ -265,7 +281,7 @@ static inline unsigned long get_limit(unsigned long segment)
+ {
+ unsigned long __limit;
+ asm("lsll %1,%0" : "=r" (__limit) : "r" (segment));
+- return __limit + 1;
++ return __limit;
+ }
+
+ #endif /* !__ASSEMBLY__ */
+diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
+index 4f19a15..9e14f27 100644
+--- a/arch/x86/include/asm/smp.h
++++ b/arch/x86/include/asm/smp.h
+@@ -36,7 +36,7 @@ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map);
+ /* cpus sharing the last level cache: */
+ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map);
+ DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id);
+-DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number);
++DECLARE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number);
+
+ static inline struct cpumask *cpu_sibling_mask(int cpu)
+ {
+@@ -79,7 +79,7 @@ struct smp_ops {
+
+ void (*send_call_func_ipi)(const struct cpumask *mask);
+ void (*send_call_func_single_ipi)(int cpu);
+-};
++} __no_const;
+
+ /* Globals due to paravirt */
+ extern void set_cpu_sibling_map(int cpu);
+@@ -190,14 +190,8 @@ extern unsigned disabled_cpus __cpuinitdata;
+ extern int safe_smp_processor_id(void);
+
+ #elif defined(CONFIG_X86_64_SMP)
+-#define raw_smp_processor_id() (this_cpu_read(cpu_number))
+-
+-#define stack_smp_processor_id() \
+-({ \
+- struct thread_info *ti; \
+- __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \
+- ti->cpu; \
+-})
++#define raw_smp_processor_id() (this_cpu_read(cpu_number))
++#define stack_smp_processor_id() raw_smp_processor_id()
+ #define safe_smp_processor_id() smp_processor_id()
+
+ #endif
+diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
+index 33692ea..350a534 100644
+--- a/arch/x86/include/asm/spinlock.h
++++ b/arch/x86/include/asm/spinlock.h
+@@ -172,6 +172,14 @@ static inline int arch_write_can_lock(arch_rwlock_t *lock)
+ static inline void arch_read_lock(arch_rwlock_t *rw)
+ {
+ asm volatile(LOCK_PREFIX READ_LOCK_SIZE(dec) " (%0)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX READ_LOCK_SIZE(inc) " (%0)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ "jns 1f\n"
+ "call __read_lock_failed\n\t"
+ "1:\n"
+@@ -181,6 +189,14 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
+ static inline void arch_write_lock(arch_rwlock_t *rw)
+ {
+ asm volatile(LOCK_PREFIX WRITE_LOCK_SUB(%1) "(%0)\n\t"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX WRITE_LOCK_ADD(%1) "(%0)\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ "jz 1f\n"
+ "call __write_lock_failed\n\t"
+ "1:\n"
+@@ -210,13 +226,29 @@ static inline int arch_write_trylock(arch_rwlock_t *lock)
+
+ static inline void arch_read_unlock(arch_rwlock_t *rw)
+ {
+- asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0"
++ asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX READ_LOCK_SIZE(dec) " %0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ :"+m" (rw->lock) : : "memory");
+ }
+
+ static inline void arch_write_unlock(arch_rwlock_t *rw)
+ {
+- asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0"
++ asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0\n"
++
++#ifdef CONFIG_PAX_REFCOUNT
++ "jno 0f\n"
++ LOCK_PREFIX WRITE_LOCK_SUB(%1) "%0\n"
++ "int $4\n0:\n"
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
+ : "+m" (rw->write) : "i" (RW_LOCK_BIAS) : "memory");
+ }
+
+diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
+index 6a99859..03cb807 100644
+--- a/arch/x86/include/asm/stackprotector.h
++++ b/arch/x86/include/asm/stackprotector.h
+@@ -47,7 +47,7 @@
+ * head_32 for boot CPU and setup_per_cpu_areas() for others.
+ */
+ #define GDT_STACK_CANARY_INIT \
+- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18),
++ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17),
+
+ /*
+ * Initialize the stackprotector canary value.
+@@ -112,7 +112,7 @@ static inline void setup_stack_canary_segment(int cpu)
+
+ static inline void load_stack_canary_segment(void)
+ {
+-#ifdef CONFIG_X86_32
++#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF)
+ asm volatile ("mov %0, %%gs" : : "r" (0));
+ #endif
+ }
+diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
+index 70bbe39..4ae2bd4 100644
+--- a/arch/x86/include/asm/stacktrace.h
++++ b/arch/x86/include/asm/stacktrace.h
+@@ -11,28 +11,20 @@
+
+ extern int kstack_depth_to_print;
+
+-struct thread_info;
++struct task_struct;
+ struct stacktrace_ops;
+
+-typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
+- unsigned long *stack,
+- unsigned long bp,
+- const struct stacktrace_ops *ops,
+- void *data,
+- unsigned long *end,
+- int *graph);
++typedef unsigned long walk_stack_t(struct task_struct *task,
++ void *stack_start,
++ unsigned long *stack,
++ unsigned long bp,
++ const struct stacktrace_ops *ops,
++ void *data,
++ unsigned long *end,
++ int *graph);
+
+-extern unsigned long
+-print_context_stack(struct thread_info *tinfo,
+- unsigned long *stack, unsigned long bp,
+- const struct stacktrace_ops *ops, void *data,
+- unsigned long *end, int *graph);
+-
+-extern unsigned long
+-print_context_stack_bp(struct thread_info *tinfo,
+- unsigned long *stack, unsigned long bp,
+- const struct stacktrace_ops *ops, void *data,
+- unsigned long *end, int *graph);
++extern walk_stack_t print_context_stack;
++extern walk_stack_t print_context_stack_bp;
+
+ /* Generic stack tracer with callbacks */
+
+@@ -40,7 +32,7 @@ struct stacktrace_ops {
+ void (*address)(void *data, unsigned long address, int reliable);
+ /* On negative return stop dumping */
+ int (*stack)(void *data, char *name);
+- walk_stack_t walk_stack;
++ walk_stack_t *walk_stack;
+ };
+
+ void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
+diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
+index 4ec45b3..a4f0a8a 100644
+--- a/arch/x86/include/asm/switch_to.h
++++ b/arch/x86/include/asm/switch_to.h
+@@ -108,7 +108,7 @@ do { \
+ "call __switch_to\n\t" \
+ "movq "__percpu_arg([current_task])",%%rsi\n\t" \
+ __switch_canary \
+- "movq %P[thread_info](%%rsi),%%r8\n\t" \
++ "movq "__percpu_arg([thread_info])",%%r8\n\t" \
+ "movq %%rax,%%rdi\n\t" \
+ "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \
+ "jnz ret_from_fork\n\t" \
+@@ -119,7 +119,7 @@ do { \
+ [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \
+ [ti_flags] "i" (offsetof(struct thread_info, flags)), \
+ [_tif_fork] "i" (_TIF_FORK), \
+- [thread_info] "i" (offsetof(struct task_struct, stack)), \
++ [thread_info] "m" (current_tinfo), \
+ [current_task] "m" (current_task) \
+ __switch_canary_iparam \
+ : "memory", "cc" __EXTRA_CLOBBER)
+diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
+index 3fda9db4..4ca1c61 100644
+--- a/arch/x86/include/asm/sys_ia32.h
++++ b/arch/x86/include/asm/sys_ia32.h
+@@ -40,7 +40,7 @@ asmlinkage long sys32_sigaction(int, struct old_sigaction32 __user *,
+ struct old_sigaction32 __user *);
+ asmlinkage long sys32_alarm(unsigned int);
+
+-asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
++asmlinkage long sys32_waitpid(compat_pid_t, unsigned int __user *, int);
+ asmlinkage long sys32_sysfs(int, u32, u32);
+
+ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t,
+diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
+index 89f794f..1422765 100644
+--- a/arch/x86/include/asm/thread_info.h
++++ b/arch/x86/include/asm/thread_info.h
+@@ -10,6 +10,7 @@
+ #include <linux/compiler.h>
+ #include <asm/page.h>
+ #include <asm/types.h>
++#include <asm/percpu.h>
+
+ /*
+ * low level task data that entry.S needs immediate access to
+@@ -24,7 +25,6 @@ struct exec_domain;
+ #include <linux/atomic.h>
+
+ struct thread_info {
+- struct task_struct *task; /* main task structure */
+ struct exec_domain *exec_domain; /* execution domain */
+ __u32 flags; /* low level flags */
+ __u32 status; /* thread synchronous flags */
+@@ -34,19 +34,13 @@ struct thread_info {
+ mm_segment_t addr_limit;
+ struct restart_block restart_block;
+ void __user *sysenter_return;
+-#ifdef CONFIG_X86_32
+- unsigned long previous_esp; /* ESP of the previous stack in
+- case of nested (IRQ) stacks
+- */
+- __u8 supervisor_stack[0];
+-#endif
++ unsigned long lowest_stack;
+ unsigned int sig_on_uaccess_error:1;
+ unsigned int uaccess_err:1; /* uaccess failed */
+ };
+
+-#define INIT_THREAD_INFO(tsk) \
++#define INIT_THREAD_INFO \
+ { \
+- .task = &tsk, \
+ .exec_domain = &default_exec_domain, \
+ .flags = 0, \
+ .cpu = 0, \
+@@ -57,7 +51,7 @@ struct thread_info {
+ }, \
+ }
+
+-#define init_thread_info (init_thread_union.thread_info)
++#define init_thread_info (init_thread_union.stack)
+ #define init_stack (init_thread_union.stack)
+
+ #else /* !__ASSEMBLY__ */
+@@ -98,6 +92,7 @@ struct thread_info {
+ #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */
+ #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */
+ #define TIF_X32 30 /* 32-bit native x86-64 binary */
++#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */
+
+ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
+ #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+@@ -122,16 +117,18 @@ struct thread_info {
+ #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
+ #define _TIF_ADDR32 (1 << TIF_ADDR32)
+ #define _TIF_X32 (1 << TIF_X32)
++#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
+
+ /* work to do in syscall_trace_enter() */
+ #define _TIF_WORK_SYSCALL_ENTRY \
+ (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \
+- _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT)
++ _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT | \
++ _TIF_GRSEC_SETXID)
+
+ /* work to do in syscall_trace_leave() */
+ #define _TIF_WORK_SYSCALL_EXIT \
+ (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \
+- _TIF_SYSCALL_TRACEPOINT)
++ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
+
+ /* work to do on interrupt/exception return */
+ #define _TIF_WORK_MASK \
+@@ -141,7 +138,8 @@ struct thread_info {
+
+ /* work to do on any return to user space */
+ #define _TIF_ALLWORK_MASK \
+- ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT)
++ ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \
++ _TIF_GRSEC_SETXID)
+
+ /* Only used for 64 bit */
+ #define _TIF_DO_NOTIFY_MASK \
+@@ -157,45 +155,40 @@ struct thread_info {
+
+ #define PREEMPT_ACTIVE 0x10000000
+
+-#ifdef CONFIG_X86_32
+-
+-#define STACK_WARN (THREAD_SIZE/8)
+-/*
+- * macros/functions for gaining access to the thread information structure
+- *
+- * preempt_count needs to be 1 initially, until the scheduler is functional.
+- */
+-#ifndef __ASSEMBLY__
+-
+-
+-/* how to get the current stack pointer from C */
+-register unsigned long current_stack_pointer asm("esp") __used;
+-
+-/* how to get the thread information struct from C */
+-static inline struct thread_info *current_thread_info(void)
+-{
+- return (struct thread_info *)
+- (current_stack_pointer & ~(THREAD_SIZE - 1));
+-}
+-
+-#else /* !__ASSEMBLY__ */
+-
++#ifdef __ASSEMBLY__
+ /* how to get the thread information struct from ASM */
+ #define GET_THREAD_INFO(reg) \
+- movl $-THREAD_SIZE, reg; \
+- andl %esp, reg
++ mov PER_CPU_VAR(current_tinfo), reg
+
+ /* use this one if reg already contains %esp */
+-#define GET_THREAD_INFO_WITH_ESP(reg) \
+- andl $-THREAD_SIZE, reg
++#define GET_THREAD_INFO_WITH_ESP(reg) GET_THREAD_INFO(reg)
++#else
++/* how to get the thread information struct from C */
++DECLARE_PER_CPU(struct thread_info *, current_tinfo);
++
++static __always_inline struct thread_info *current_thread_info(void)
++{
++ return this_cpu_read_stable(current_tinfo);
++}
++#endif
++
++#ifdef CONFIG_X86_32
++
++#define STACK_WARN (THREAD_SIZE/8)
++/*
++ * macros/functions for gaining access to the thread information structure
++ *
++ * preempt_count needs to be 1 initially, until the scheduler is functional.
++ */
++#ifndef __ASSEMBLY__
++
++/* how to get the current stack pointer from C */
++register unsigned long current_stack_pointer asm("esp") __used;
+
+ #endif
+
+ #else /* X86_32 */
+
+-#include <asm/percpu.h>
+-#define KERNEL_STACK_OFFSET (5*8)
+-
+ /*
+ * macros/functions for gaining access to the thread information structure
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+@@ -203,27 +196,8 @@ static inline struct thread_info *current_thread_info(void)
+ #ifndef __ASSEMBLY__
+ DECLARE_PER_CPU(unsigned long, kernel_stack);
+
+-static inline struct thread_info *current_thread_info(void)
+-{
+- struct thread_info *ti;
+- ti = (void *)(this_cpu_read_stable(kernel_stack) +
+- KERNEL_STACK_OFFSET - THREAD_SIZE);
+- return ti;
+-}
+-
+-#else /* !__ASSEMBLY__ */
+-
+-/* how to get the thread information struct from ASM */
+-#define GET_THREAD_INFO(reg) \
+- movq PER_CPU_VAR(kernel_stack),reg ; \
+- subq $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg
+-
+-/*
+- * Same if PER_CPU_VAR(kernel_stack) is, perhaps with some offset, already in
+- * a certain register (to be used in assembler memory operands).
+- */
+-#define THREAD_INFO(reg, off) KERNEL_STACK_OFFSET+(off)-THREAD_SIZE(reg)
+-
++/* how to get the current stack pointer from C */
++register unsigned long current_stack_pointer asm("rsp") __used;
+ #endif
+
+ #endif /* !X86_32 */
+@@ -284,5 +258,12 @@ static inline bool is_ia32_task(void)
+ extern void arch_task_cache_init(void);
+ extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
+ extern void arch_release_task_struct(struct task_struct *tsk);
++
++#define __HAVE_THREAD_FUNCTIONS
++#define task_thread_info(task) (&(task)->tinfo)
++#define task_stack_page(task) ((task)->stack)
++#define setup_thread_stack(p, org) do {} while (0)
++#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1)
++
+ #endif
+ #endif /* _ASM_X86_THREAD_INFO_H */
+diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
+index e1f3a17..1ab364d 100644
+--- a/arch/x86/include/asm/uaccess.h
++++ b/arch/x86/include/asm/uaccess.h
+@@ -7,12 +7,15 @@
+ #include <linux/compiler.h>
+ #include <linux/thread_info.h>
+ #include <linux/string.h>
++#include <linux/sched.h>
+ #include <asm/asm.h>
+ #include <asm/page.h>
+
+ #define VERIFY_READ 0
+ #define VERIFY_WRITE 1
+
++extern void check_object_size(const void *ptr, unsigned long n, bool to);
++
+ /*
+ * The fs value determines whether argument validity checking should be
+ * performed or not. If get_fs() == USER_DS, checking is performed, with
+@@ -28,7 +31,12 @@
+
+ #define get_ds() (KERNEL_DS)
+ #define get_fs() (current_thread_info()->addr_limit)
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
++void __set_fs(mm_segment_t x);
++void set_fs(mm_segment_t x);
++#else
+ #define set_fs(x) (current_thread_info()->addr_limit = (x))
++#endif
+
+ #define segment_eq(a, b) ((a).seg == (b).seg)
+
+@@ -76,8 +84,33 @@
+ * checks that the pointer is in the user space range - after calling
+ * this function, memory access functions may still return -EFAULT.
+ */
+-#define access_ok(type, addr, size) \
+- (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
++#define __access_ok(type, addr, size) (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
++#define access_ok(type, addr, size) \
++({ \
++ long __size = size; \
++ unsigned long __addr = (unsigned long)addr; \
++ unsigned long __addr_ao = __addr & PAGE_MASK; \
++ unsigned long __end_ao = __addr + __size - 1; \
++ bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\
++ if (__ret_ao && unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \
++ while(__addr_ao <= __end_ao) { \
++ char __c_ao; \
++ __addr_ao += PAGE_SIZE; \
++ if (__size > PAGE_SIZE) \
++ cond_resched(); \
++ if (__get_user(__c_ao, (char __user *)__addr)) \
++ break; \
++ if (type != VERIFY_WRITE) { \
++ __addr = __addr_ao; \
++ continue; \
++ } \
++ if (__put_user(__c_ao, (char __user *)__addr)) \
++ break; \
++ __addr = __addr_ao; \
++ } \
++ } \
++ __ret_ao; \
++})
+
+ /*
+ * The exception table consists of pairs of addresses relative to the
+@@ -188,12 +221,20 @@ extern int __get_user_bad(void);
+ asm volatile("call __put_user_" #size : "=a" (__ret_pu) \
+ : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
+
+-
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define __copyuser_seg "gs;"
++#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n"
++#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n"
++#else
++#define __copyuser_seg
++#define __COPYUSER_SET_ES
++#define __COPYUSER_RESTORE_ES
++#endif
+
+ #ifdef CONFIG_X86_32
+ #define __put_user_asm_u64(x, addr, err, errret) \
+- asm volatile("1: movl %%eax,0(%2)\n" \
+- "2: movl %%edx,4(%2)\n" \
++ asm volatile("1: "__copyuser_seg"movl %%eax,0(%2)\n" \
++ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \
+ "3:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "4: movl %3,%0\n" \
+@@ -205,8 +246,8 @@ extern int __get_user_bad(void);
+ : "A" (x), "r" (addr), "i" (errret), "0" (err))
+
+ #define __put_user_asm_ex_u64(x, addr) \
+- asm volatile("1: movl %%eax,0(%1)\n" \
+- "2: movl %%edx,4(%1)\n" \
++ asm volatile("1: "__copyuser_seg"movl %%eax,0(%1)\n" \
++ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \
+ "3:\n" \
+ _ASM_EXTABLE_EX(1b, 2b) \
+ _ASM_EXTABLE_EX(2b, 3b) \
+@@ -258,7 +299,7 @@ extern void __put_user_8(void);
+ __typeof__(*(ptr)) __pu_val; \
+ __chk_user_ptr(ptr); \
+ might_fault(); \
+- __pu_val = x; \
++ __pu_val = (x); \
+ switch (sizeof(*(ptr))) { \
+ case 1: \
+ __put_user_x(1, __pu_val, ptr, __ret_pu); \
+@@ -379,7 +420,7 @@ do { \
+ } while (0)
+
+ #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \
+- asm volatile("1: mov"itype" %2,%"rtype"1\n" \
++ asm volatile("1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\
+ "2:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "3: mov %3,%0\n" \
+@@ -387,7 +428,7 @@ do { \
+ " jmp 2b\n" \
+ ".previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+- : "=r" (err), ltype(x) \
++ : "=r" (err), ltype (x) \
+ : "m" (__m(addr)), "i" (errret), "0" (err))
+
+ #define __get_user_size_ex(x, ptr, size) \
+@@ -412,7 +453,7 @@ do { \
+ } while (0)
+
+ #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
+- asm volatile("1: mov"itype" %1,%"rtype"0\n" \
++ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\
+ "2:\n" \
+ _ASM_EXTABLE_EX(1b, 2b) \
+ : ltype(x) : "m" (__m(addr)))
+@@ -429,13 +470,24 @@ do { \
+ int __gu_err; \
+ unsigned long __gu_val; \
+ __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \
+- (x) = (__force __typeof__(*(ptr)))__gu_val; \
++ (x) = (__typeof__(*(ptr)))__gu_val; \
+ __gu_err; \
+ })
+
+ /* FIXME: this hack is definitely wrong -AK */
+ struct __large_struct { unsigned long buf[100]; };
+-#define __m(x) (*(struct __large_struct __user *)(x))
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define ____m(x) \
++({ \
++ unsigned long ____x = (unsigned long)(x); \
++ if (____x < PAX_USER_SHADOW_BASE) \
++ ____x += PAX_USER_SHADOW_BASE; \
++ (void __user *)____x; \
++})
++#else
++#define ____m(x) (x)
++#endif
++#define __m(x) (*(struct __large_struct __user *)____m(x))
+
+ /*
+ * Tell gcc we read from memory instead of writing: this is because
+@@ -443,7 +495,7 @@ struct __large_struct { unsigned long buf[100]; };
+ * aliasing issues.
+ */
+ #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \
+- asm volatile("1: mov"itype" %"rtype"1,%2\n" \
++ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\
+ "2:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "3: mov %3,%0\n" \
+@@ -451,10 +503,10 @@ struct __large_struct { unsigned long buf[100]; };
+ ".previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+ : "=r"(err) \
+- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err))
++ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err))
+
+ #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \
+- asm volatile("1: mov"itype" %"rtype"0,%1\n" \
++ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\
+ "2:\n" \
+ _ASM_EXTABLE_EX(1b, 2b) \
+ : : ltype(x), "m" (__m(addr)))
+@@ -493,8 +545,12 @@ struct __large_struct { unsigned long buf[100]; };
+ * On error, the variable @x is set to zero.
+ */
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define __get_user(x, ptr) get_user((x), (ptr))
++#else
+ #define __get_user(x, ptr) \
+ __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
++#endif
+
+ /**
+ * __put_user: - Write a simple value into user space, with less checking.
+@@ -516,8 +572,12 @@ struct __large_struct { unsigned long buf[100]; };
+ * Returns zero on success, or -EFAULT on error.
+ */
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define __put_user(x, ptr) put_user((x), (ptr))
++#else
+ #define __put_user(x, ptr) \
+ __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
++#endif
+
+ #define __get_user_unaligned __get_user
+ #define __put_user_unaligned __put_user
+@@ -535,7 +595,7 @@ struct __large_struct { unsigned long buf[100]; };
+ #define get_user_ex(x, ptr) do { \
+ unsigned long __gue_val; \
+ __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \
+- (x) = (__force __typeof__(*(ptr)))__gue_val; \
++ (x) = (__typeof__(*(ptr)))__gue_val; \
+ } while (0)
+
+ #ifdef CONFIG_X86_WP_WORKS_OK
+diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
+index 576e39b..ccd0a39 100644
+--- a/arch/x86/include/asm/uaccess_32.h
++++ b/arch/x86/include/asm/uaccess_32.h
+@@ -11,15 +11,15 @@
+ #include <asm/page.h>
+
+ unsigned long __must_check __copy_to_user_ll
+- (void __user *to, const void *from, unsigned long n);
++ (void __user *to, const void *from, unsigned long n) __size_overflow(3);
+ unsigned long __must_check __copy_from_user_ll
+- (void *to, const void __user *from, unsigned long n);
++ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
+ unsigned long __must_check __copy_from_user_ll_nozero
+- (void *to, const void __user *from, unsigned long n);
++ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
+ unsigned long __must_check __copy_from_user_ll_nocache
+- (void *to, const void __user *from, unsigned long n);
++ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
+ unsigned long __must_check __copy_from_user_ll_nocache_nozero
+- (void *to, const void __user *from, unsigned long n);
++ (void *to, const void __user *from, unsigned long n) __size_overflow(3);
+
+ /**
+ * __copy_to_user_inatomic: - Copy a block of data into user space, with less checking.
+@@ -43,6 +43,9 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero
+ static __always_inline unsigned long __must_check
+ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ if (__builtin_constant_p(n)) {
+ unsigned long ret;
+
+@@ -61,6 +64,8 @@ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
+ return ret;
+ }
+ }
++ if (!__builtin_constant_p(n))
++ check_object_size(from, n, true);
+ return __copy_to_user_ll(to, from, n);
+ }
+
+@@ -82,12 +87,16 @@ static __always_inline unsigned long __must_check
+ __copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
+ might_fault();
++
+ return __copy_to_user_inatomic(to, from, n);
+ }
+
+ static __always_inline unsigned long
+ __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n)
+ {
++ if ((long)n < 0)
++ return n;
++
+ /* Avoid zeroing the tail if the copy fails..
+ * If 'n' is constant and 1, 2, or 4, we do still zero on a failure,
+ * but as the zeroing behaviour is only significant when n is not
+@@ -137,6 +146,10 @@ static __always_inline unsigned long
+ __copy_from_user(void *to, const void __user *from, unsigned long n)
+ {
+ might_fault();
++
++ if ((long)n < 0)
++ return n;
++
+ if (__builtin_constant_p(n)) {
+ unsigned long ret;
+
+@@ -152,6 +165,8 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
+ return ret;
+ }
+ }
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
+ return __copy_from_user_ll(to, from, n);
+ }
+
+@@ -159,6 +174,10 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to,
+ const void __user *from, unsigned long n)
+ {
+ might_fault();
++
++ if ((long)n < 0)
++ return n;
++
+ if (__builtin_constant_p(n)) {
+ unsigned long ret;
+
+@@ -181,15 +200,19 @@ static __always_inline unsigned long
+ __copy_from_user_inatomic_nocache(void *to, const void __user *from,
+ unsigned long n)
+ {
+- return __copy_from_user_ll_nocache_nozero(to, from, n);
++ if ((long)n < 0)
++ return n;
++
++ return __copy_from_user_ll_nocache_nozero(to, from, n);
+ }
+
+-unsigned long __must_check copy_to_user(void __user *to,
+- const void *from, unsigned long n);
+-unsigned long __must_check _copy_from_user(void *to,
+- const void __user *from,
+- unsigned long n);
+-
++extern void copy_to_user_overflow(void)
++#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
++ __compiletime_error("copy_to_user() buffer size is not provably correct")
++#else
++ __compiletime_warning("copy_to_user() buffer size is not provably correct")
++#endif
++;
+
+ extern void copy_from_user_overflow(void)
+ #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+@@ -199,21 +222,65 @@ extern void copy_from_user_overflow(void)
+ #endif
+ ;
+
+-static inline unsigned long __must_check copy_from_user(void *to,
+- const void __user *from,
+- unsigned long n)
++/**
++ * copy_to_user: - Copy a block of data into user space.
++ * @to: Destination address, in user space.
++ * @from: Source address, in kernel space.
++ * @n: Number of bytes to copy.
++ *
++ * Context: User context only. This function may sleep.
++ *
++ * Copy data from kernel space to user space.
++ *
++ * Returns number of bytes that could not be copied.
++ * On success, this will be zero.
++ */
++static inline unsigned long __must_check
++copy_to_user(void __user *to, const void *from, unsigned long n)
+ {
+- int sz = __compiletime_object_size(to);
++ size_t sz = __compiletime_object_size(from);
+
+- if (likely(sz == -1 || sz >= n))
+- n = _copy_from_user(to, from, n);
+- else
++ if (unlikely(sz != (size_t)-1 && sz < n))
++ copy_to_user_overflow();
++ else if (access_ok(VERIFY_WRITE, to, n))
++ n = __copy_to_user(to, from, n);
++ return n;
++}
++
++/**
++ * copy_from_user: - Copy a block of data from user space.
++ * @to: Destination address, in kernel space.
++ * @from: Source address, in user space.
++ * @n: Number of bytes to copy.
++ *
++ * Context: User context only. This function may sleep.
++ *
++ * Copy data from user space to kernel space.
++ *
++ * Returns number of bytes that could not be copied.
++ * On success, this will be zero.
++ *
++ * If some data could not be copied, this function will pad the copied
++ * data to the requested size using zero bytes.
++ */
++static inline unsigned long __must_check
++copy_from_user(void *to, const void __user *from, unsigned long n)
++{
++ size_t sz = __compiletime_object_size(to);
++
++ if (unlikely(sz != (size_t)-1 && sz < n))
+ copy_from_user_overflow();
+-
++ else if (access_ok(VERIFY_READ, from, n))
++ n = __copy_from_user(to, from, n);
++ else if ((long)n > 0) {
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++ memset(to, 0, n);
++ }
+ return n;
+ }
+
+-unsigned long __must_check clear_user(void __user *mem, unsigned long len);
+-unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
++unsigned long __must_check clear_user(void __user *mem, unsigned long len) __size_overflow(2);
++unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2);
+
+ #endif /* _ASM_X86_UACCESS_32_H */
+diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
+index d8def8b..ac7fc15 100644
+--- a/arch/x86/include/asm/uaccess_64.h
++++ b/arch/x86/include/asm/uaccess_64.h
+@@ -10,6 +10,9 @@
+ #include <asm/alternative.h>
+ #include <asm/cpufeature.h>
+ #include <asm/page.h>
++#include <asm/pgtable.h>
++
++#define set_fs(x) (current_thread_info()->addr_limit = (x))
+
+ /*
+ * Copy To/From Userspace
+@@ -17,13 +20,13 @@
+
+ /* Handles exceptions in both to and from, but doesn't do access_ok */
+ __must_check unsigned long
+-copy_user_enhanced_fast_string(void *to, const void *from, unsigned len);
++copy_user_enhanced_fast_string(void *to, const void *from, unsigned len) __size_overflow(3);
+ __must_check unsigned long
+-copy_user_generic_string(void *to, const void *from, unsigned len);
++copy_user_generic_string(void *to, const void *from, unsigned len) __size_overflow(3);
+ __must_check unsigned long
+-copy_user_generic_unrolled(void *to, const void *from, unsigned len);
++copy_user_generic_unrolled(void *to, const void *from, unsigned len) __size_overflow(3);
+
+-static __always_inline __must_check unsigned long
++static __always_inline __must_check __size_overflow(3) unsigned long
+ copy_user_generic(void *to, const void *from, unsigned len)
+ {
+ unsigned ret;
+@@ -41,142 +44,238 @@ copy_user_generic(void *to, const void *from, unsigned len)
+ ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from),
+ "=d" (len)),
+ "1" (to), "2" (from), "3" (len)
+- : "memory", "rcx", "r8", "r9", "r10", "r11");
++ : "memory", "rcx", "r8", "r9", "r11");
+ return ret;
+ }
+
++static __always_inline __must_check unsigned long
++__copy_to_user(void __user *to, const void *from, unsigned long len) __size_overflow(3);
++static __always_inline __must_check unsigned long
++__copy_from_user(void *to, const void __user *from, unsigned long len) __size_overflow(3);
+ __must_check unsigned long
+-_copy_to_user(void __user *to, const void *from, unsigned len);
+-__must_check unsigned long
+-_copy_from_user(void *to, const void __user *from, unsigned len);
+-__must_check unsigned long
+-copy_in_user(void __user *to, const void __user *from, unsigned len);
++copy_in_user(void __user *to, const void __user *from, unsigned long len) __size_overflow(3);
++
++extern void copy_to_user_overflow(void)
++#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
++ __compiletime_error("copy_to_user() buffer size is not provably correct")
++#else
++ __compiletime_warning("copy_to_user() buffer size is not provably correct")
++#endif
++;
++
++extern void copy_from_user_overflow(void)
++#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
++ __compiletime_error("copy_from_user() buffer size is not provably correct")
++#else
++ __compiletime_warning("copy_from_user() buffer size is not provably correct")
++#endif
++;
+
+ static inline unsigned long __must_check copy_from_user(void *to,
+ const void __user *from,
+ unsigned long n)
+ {
+- int sz = __compiletime_object_size(to);
+-
+ might_fault();
+- if (likely(sz == -1 || sz >= n))
+- n = _copy_from_user(to, from, n);
+-#ifdef CONFIG_DEBUG_VM
+- else
+- WARN(1, "Buffer overflow detected!\n");
+-#endif
++
++ if (access_ok(VERIFY_READ, from, n))
++ n = __copy_from_user(to, from, n);
++ else if (n < INT_MAX) {
++ if (!__builtin_constant_p(n))
++ check_object_size(to, n, false);
++ memset(to, 0, n);
++ }
+ return n;
+ }
+
+ static __always_inline __must_check
+-int copy_to_user(void __user *dst, const void *src, unsigned size)
++int copy_to_user(void __user *dst, const void *src, unsigned long size)
+ {
+ might_fault();
+
+- return _copy_to_user(dst, src, size);
++ if (access_ok(VERIFY_WRITE, dst, size))
++ size = __copy_to_user(dst, src, size);
++ return size;
+ }
+
+ static __always_inline __must_check
+-int __copy_from_user(void *dst, const void __user *src, unsigned size)
++unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size)
+ {
+- int ret = 0;
++ size_t sz = __compiletime_object_size(dst);
++ unsigned ret = 0;
+
+ might_fault();
+- if (!__builtin_constant_p(size))
+- return copy_user_generic(dst, (__force void *)src, size);
++
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_READ, src, size))
++ return size;
++#endif
++
++ if (unlikely(sz != (size_t)-1 && sz < size)) {
++ copy_from_user_overflow();
++ return size;
++ }
++
++ if (!__builtin_constant_p(size)) {
++ check_object_size(dst, size, false);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic(dst, (__force_kernel const void *)src, size);
++ }
+ switch (size) {
+- case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src,
++ case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src,
+ ret, "b", "b", "=q", 1);
+ return ret;
+- case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src,
++ case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src,
+ ret, "w", "w", "=r", 2);
+ return ret;
+- case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src,
++ case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src,
+ ret, "l", "k", "=r", 4);
+ return ret;
+- case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src,
++ case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src,
+ ret, "q", "", "=r", 8);
+ return ret;
+ case 10:
+- __get_user_asm(*(u64 *)dst, (u64 __user *)src,
++ __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
+ ret, "q", "", "=r", 10);
+ if (unlikely(ret))
+ return ret;
+ __get_user_asm(*(u16 *)(8 + (char *)dst),
+- (u16 __user *)(8 + (char __user *)src),
++ (const u16 __user *)(8 + (const char __user *)src),
+ ret, "w", "w", "=r", 2);
+ return ret;
+ case 16:
+- __get_user_asm(*(u64 *)dst, (u64 __user *)src,
++ __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
+ ret, "q", "", "=r", 16);
+ if (unlikely(ret))
+ return ret;
+ __get_user_asm(*(u64 *)(8 + (char *)dst),
+- (u64 __user *)(8 + (char __user *)src),
++ (const u64 __user *)(8 + (const char __user *)src),
+ ret, "q", "", "=r", 8);
+ return ret;
+ default:
+- return copy_user_generic(dst, (__force void *)src, size);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic(dst, (__force_kernel const void *)src, size);
+ }
+ }
+
+ static __always_inline __must_check
+-int __copy_to_user(void __user *dst, const void *src, unsigned size)
++unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size)
+ {
+- int ret = 0;
++ size_t sz = __compiletime_object_size(src);
++ unsigned ret = 0;
+
+ might_fault();
+- if (!__builtin_constant_p(size))
+- return copy_user_generic((__force void *)dst, src, size);
++
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_WRITE, dst, size))
++ return size;
++#endif
++
++ if (unlikely(sz != (size_t)-1 && sz < size)) {
++ copy_to_user_overflow();
++ return size;
++ }
++
++ if (!__builtin_constant_p(size)) {
++ check_object_size(src, size, true);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((__force_kernel void *)dst, src, size);
++ }
+ switch (size) {
+- case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst,
++ case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst,
+ ret, "b", "b", "iq", 1);
+ return ret;
+- case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst,
++ case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst,
+ ret, "w", "w", "ir", 2);
+ return ret;
+- case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst,
++ case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst,
+ ret, "l", "k", "ir", 4);
+ return ret;
+- case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst,
++ case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst,
+ ret, "q", "", "er", 8);
+ return ret;
+ case 10:
+- __put_user_asm(*(u64 *)src, (u64 __user *)dst,
++ __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
+ ret, "q", "", "er", 10);
+ if (unlikely(ret))
+ return ret;
+ asm("":::"memory");
+- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst,
++ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst,
+ ret, "w", "w", "ir", 2);
+ return ret;
+ case 16:
+- __put_user_asm(*(u64 *)src, (u64 __user *)dst,
++ __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
+ ret, "q", "", "er", 16);
+ if (unlikely(ret))
+ return ret;
+ asm("":::"memory");
+- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst,
++ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst,
+ ret, "q", "", "er", 8);
+ return ret;
+ default:
+- return copy_user_generic((__force void *)dst, src, size);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((__force_kernel void *)dst, src, size);
+ }
+ }
+
+ static __always_inline __must_check
+-int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
++unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned long size)
+ {
+- int ret = 0;
++ unsigned ret = 0;
+
+ might_fault();
+- if (!__builtin_constant_p(size))
+- return copy_user_generic((__force void *)dst,
+- (__force void *)src, size);
++
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_READ, src, size))
++ return size;
++ if (!__access_ok(VERIFY_WRITE, dst, size))
++ return size;
++#endif
++
++ if (!__builtin_constant_p(size)) {
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((__force_kernel void *)dst,
++ (__force_kernel const void *)src, size);
++ }
+ switch (size) {
+ case 1: {
+ u8 tmp;
+- __get_user_asm(tmp, (u8 __user *)src,
++ __get_user_asm(tmp, (const u8 __user *)src,
+ ret, "b", "b", "=q", 1);
+ if (likely(!ret))
+ __put_user_asm(tmp, (u8 __user *)dst,
+@@ -185,7 +284,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+ }
+ case 2: {
+ u16 tmp;
+- __get_user_asm(tmp, (u16 __user *)src,
++ __get_user_asm(tmp, (const u16 __user *)src,
+ ret, "w", "w", "=r", 2);
+ if (likely(!ret))
+ __put_user_asm(tmp, (u16 __user *)dst,
+@@ -195,7 +294,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+
+ case 4: {
+ u32 tmp;
+- __get_user_asm(tmp, (u32 __user *)src,
++ __get_user_asm(tmp, (const u32 __user *)src,
+ ret, "l", "k", "=r", 4);
+ if (likely(!ret))
+ __put_user_asm(tmp, (u32 __user *)dst,
+@@ -204,7 +303,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+ }
+ case 8: {
+ u64 tmp;
+- __get_user_asm(tmp, (u64 __user *)src,
++ __get_user_asm(tmp, (const u64 __user *)src,
+ ret, "q", "", "=r", 8);
+ if (likely(!ret))
+ __put_user_asm(tmp, (u64 __user *)dst,
+@@ -212,44 +311,89 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+ return ret;
+ }
+ default:
+- return copy_user_generic((__force void *)dst,
+- (__force void *)src, size);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((__force_kernel void *)dst,
++ (__force_kernel const void *)src, size);
+ }
+ }
+
+-__must_check unsigned long clear_user(void __user *mem, unsigned long len);
+-__must_check unsigned long __clear_user(void __user *mem, unsigned long len);
++__must_check unsigned long clear_user(void __user *mem, unsigned long len) __size_overflow(2);
++__must_check unsigned long __clear_user(void __user *mem, unsigned long len) __size_overflow(2);
+
+ static __must_check __always_inline int
+-__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size)
++__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size)
+ {
+- return copy_user_generic(dst, (__force const void *)src, size);
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_READ, src, size))
++ return size;
++
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic(dst, (__force_kernel const void *)src, size);
+ }
+
+-static __must_check __always_inline int
+-__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
++static __must_check __always_inline unsigned long
++__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size)
+ {
+- return copy_user_generic((__force void *)dst, src, size);
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_WRITE, dst, size))
++ return size;
++
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((__force_kernel void *)dst, src, size);
+ }
+
+-extern long __copy_user_nocache(void *dst, const void __user *src,
+- unsigned size, int zerorest);
++extern unsigned long __copy_user_nocache(void *dst, const void __user *src,
++ unsigned long size, int zerorest) __size_overflow(3);
+
+-static inline int
+-__copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
++static inline unsigned long __copy_from_user_nocache(void *dst, const void __user *src, unsigned long size)
+ {
+ might_sleep();
++
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_READ, src, size))
++ return size;
++#endif
++
+ return __copy_user_nocache(dst, src, size, 1);
+ }
+
+-static inline int
+-__copy_from_user_inatomic_nocache(void *dst, const void __user *src,
+- unsigned size)
++static inline unsigned long __copy_from_user_inatomic_nocache(void *dst, const void __user *src,
++ unsigned long size)
+ {
++ if (size > INT_MAX)
++ return size;
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if (!__access_ok(VERIFY_READ, src, size))
++ return size;
++#endif
++
+ return __copy_user_nocache(dst, src, size, 0);
+ }
+
+-unsigned long
+-copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest);
++extern unsigned long
++copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest) __size_overflow(3);
+
+ #endif /* _ASM_X86_UACCESS_64_H */
+diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
+index bb05228..d763d5b 100644
+--- a/arch/x86/include/asm/vdso.h
++++ b/arch/x86/include/asm/vdso.h
+@@ -11,7 +11,7 @@ extern const char VDSO32_PRELINK[];
+ #define VDSO32_SYMBOL(base, name) \
+ ({ \
+ extern const char VDSO32_##name[]; \
+- (void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
++ (void __user *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
+ })
+ #endif
+
+diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h
+index 5b238981..77fdd78 100644
+--- a/arch/x86/include/asm/word-at-a-time.h
++++ b/arch/x86/include/asm/word-at-a-time.h
+@@ -11,7 +11,7 @@
+ * and shift, for example.
+ */
+ struct word_at_a_time {
+- const unsigned long one_bits, high_bits;
++ unsigned long one_bits, high_bits;
+ };
+
+ #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
+index 38155f6..e4184ba 100644
+--- a/arch/x86/include/asm/x86_init.h
++++ b/arch/x86/include/asm/x86_init.h
+@@ -29,7 +29,7 @@ struct x86_init_mpparse {
+ void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
+ void (*find_smp_config)(void);
+ void (*get_smp_config)(unsigned int early);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_resources - platform specific resource related ops
+@@ -43,7 +43,7 @@ struct x86_init_resources {
+ void (*probe_roms)(void);
+ void (*reserve_resources)(void);
+ char *(*memory_setup)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_irqs - platform specific interrupt setup
+@@ -56,7 +56,7 @@ struct x86_init_irqs {
+ void (*pre_vector_init)(void);
+ void (*intr_init)(void);
+ void (*trap_init)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_oem - oem platform specific customizing functions
+@@ -66,7 +66,7 @@ struct x86_init_irqs {
+ struct x86_init_oem {
+ void (*arch_setup)(void);
+ void (*banner)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_mapping - platform specific initial kernel pagetable setup
+@@ -77,7 +77,7 @@ struct x86_init_oem {
+ */
+ struct x86_init_mapping {
+ void (*pagetable_reserve)(u64 start, u64 end);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_paging - platform specific paging functions
+@@ -87,7 +87,7 @@ struct x86_init_mapping {
+ struct x86_init_paging {
+ void (*pagetable_setup_start)(pgd_t *base);
+ void (*pagetable_setup_done)(pgd_t *base);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_timers - platform specific timer setup
+@@ -102,7 +102,7 @@ struct x86_init_timers {
+ void (*tsc_pre_init)(void);
+ void (*timer_init)(void);
+ void (*wallclock_init)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_iommu - platform specific iommu setup
+@@ -110,7 +110,7 @@ struct x86_init_timers {
+ */
+ struct x86_init_iommu {
+ int (*iommu_init)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_pci - platform specific pci init functions
+@@ -124,7 +124,7 @@ struct x86_init_pci {
+ int (*init)(void);
+ void (*init_irq)(void);
+ void (*fixup_irqs)(void);
+-};
++} __no_const;
+
+ /**
+ * struct x86_init_ops - functions for platform specific setup
+@@ -140,7 +140,7 @@ struct x86_init_ops {
+ struct x86_init_timers timers;
+ struct x86_init_iommu iommu;
+ struct x86_init_pci pci;
+-};
++} __no_const;
+
+ /**
+ * struct x86_cpuinit_ops - platform specific cpu hotplug setups
+@@ -151,7 +151,7 @@ struct x86_cpuinit_ops {
+ void (*setup_percpu_clockev)(void);
+ void (*early_percpu_clock_init)(void);
+ void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
+-};
++} __no_const;
+
+ /**
+ * struct x86_platform_ops - platform specific runtime functions
+@@ -177,7 +177,7 @@ struct x86_platform_ops {
+ void (*save_sched_clock_state)(void);
+ void (*restore_sched_clock_state)(void);
+ void (*apic_post_init)(void);
+-};
++} __no_const;
+
+ struct pci_dev;
+
+@@ -186,14 +186,14 @@ struct x86_msi_ops {
+ void (*teardown_msi_irq)(unsigned int irq);
+ void (*teardown_msi_irqs)(struct pci_dev *dev);
+ void (*restore_msi_irqs)(struct pci_dev *dev, int irq);
+-};
++} __no_const;
+
+ struct x86_io_apic_ops {
+ void (*init) (void);
+ unsigned int (*read) (unsigned int apic, unsigned int reg);
+ void (*write) (unsigned int apic, unsigned int reg, unsigned int value);
+ void (*modify)(unsigned int apic, unsigned int reg, unsigned int value);
+-};
++} __no_const;
+
+ extern struct x86_init_ops x86_init;
+ extern struct x86_cpuinit_ops x86_cpuinit;
+diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
+index 8a1b6f9..a29c4e4 100644
+--- a/arch/x86/include/asm/xsave.h
++++ b/arch/x86/include/asm/xsave.h
+@@ -65,6 +65,11 @@ static inline int xsave_user(struct xsave_struct __user *buf)
+ {
+ int err;
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ if ((unsigned long)buf < PAX_USER_SHADOW_BASE)
++ buf = (struct xsave_struct __user *)((void __user*)buf + PAX_USER_SHADOW_BASE);
++#endif
++
+ /*
+ * Clear the xsave header first, so that reserved fields are
+ * initialized to zero.
+@@ -93,10 +98,15 @@ static inline int xsave_user(struct xsave_struct __user *buf)
+ static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask)
+ {
+ int err;
+- struct xsave_struct *xstate = ((__force struct xsave_struct *)buf);
++ struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf);
+ u32 lmask = mask;
+ u32 hmask = mask >> 32;
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ if ((unsigned long)xstate < PAX_USER_SHADOW_BASE)
++ xstate = (struct xsave_struct *)((void *)xstate + PAX_USER_SHADOW_BASE);
++#endif
++
+ __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n"
+ "2:\n"
+ ".section .fixup,\"ax\"\n"
+diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
+index 1b8e5a0..354fd59 100644
+--- a/arch/x86/kernel/acpi/sleep.c
++++ b/arch/x86/kernel/acpi/sleep.c
+@@ -69,8 +69,12 @@ int acpi_suspend_lowlevel(void)
+ #else /* CONFIG_64BIT */
+ #ifdef CONFIG_SMP
+ stack_start = (unsigned long)temp_stack + sizeof(temp_stack);
++
++ pax_open_kernel();
+ early_gdt_descr.address =
+ (unsigned long)get_cpu_gdt_table(smp_processor_id());
++ pax_close_kernel();
++
+ initial_gs = per_cpu_offset(smp_processor_id());
+ #endif
+ initial_code = (unsigned long)wakeup_long64;
+diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
+index 13ab720..95d5442 100644
+--- a/arch/x86/kernel/acpi/wakeup_32.S
++++ b/arch/x86/kernel/acpi/wakeup_32.S
+@@ -30,13 +30,11 @@ wakeup_pmode_return:
+ # and restore the stack ... but you need gdt for this to work
+ movl saved_context_esp, %esp
+
+- movl %cs:saved_magic, %eax
+- cmpl $0x12345678, %eax
++ cmpl $0x12345678, saved_magic
+ jne bogus_magic
+
+ # jump to place where we left off
+- movl saved_eip, %eax
+- jmp *%eax
++ jmp *(saved_eip)
+
+ bogus_magic:
+ jmp bogus_magic
+diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
+index ced4534..3e75d69 100644
+--- a/arch/x86/kernel/alternative.c
++++ b/arch/x86/kernel/alternative.c
+@@ -281,6 +281,13 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
+ */
+ for (a = start; a < end; a++) {
+ instr = (u8 *)&a->instr_offset + a->instr_offset;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++ if (instr < (u8 *)_text || (u8 *)_einittext <= instr)
++ instr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
+ replacement = (u8 *)&a->repl_offset + a->repl_offset;
+ BUG_ON(a->replacementlen > a->instrlen);
+ BUG_ON(a->instrlen > sizeof(insnbuf));
+@@ -312,10 +319,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end,
+ for (poff = start; poff < end; poff++) {
+ u8 *ptr = (u8 *)poff + *poff;
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
++ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
+ if (!*poff || ptr < text || ptr >= text_end)
+ continue;
+ /* turn DS segment override prefix into lock prefix */
+- if (*ptr == 0x3e)
++ if (*ktla_ktva(ptr) == 0x3e)
+ text_poke(ptr, ((unsigned char []){0xf0}), 1);
+ };
+ mutex_unlock(&text_mutex);
+@@ -333,10 +346,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end,
+ for (poff = start; poff < end; poff++) {
+ u8 *ptr = (u8 *)poff + *poff;
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
++ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
+ if (!*poff || ptr < text || ptr >= text_end)
+ continue;
+ /* turn lock prefix into DS segment override prefix */
+- if (*ptr == 0xf0)
++ if (*ktla_ktva(ptr) == 0xf0)
+ text_poke(ptr, ((unsigned char []){0x3E}), 1);
+ };
+ mutex_unlock(&text_mutex);
+@@ -505,7 +524,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start,
+
+ BUG_ON(p->len > MAX_PATCH_LEN);
+ /* prep the buffer with the original instructions */
+- memcpy(insnbuf, p->instr, p->len);
++ memcpy(insnbuf, ktla_ktva(p->instr), p->len);
+ used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf,
+ (unsigned long)p->instr, p->len);
+
+@@ -573,7 +592,7 @@ void __init alternative_instructions(void)
+ if (smp_alt_once)
+ free_init_pages("SMP alternatives",
+ (unsigned long)__smp_locks,
+- (unsigned long)__smp_locks_end);
++ PAGE_ALIGN((unsigned long)__smp_locks_end));
+
+ restart_nmi();
+ }
+@@ -590,13 +609,17 @@ void __init alternative_instructions(void)
+ * instructions. And on the local CPU you need to be protected again NMI or MCE
+ * handlers seeing an inconsistent instruction while you patch.
+ */
+-void *__init_or_module text_poke_early(void *addr, const void *opcode,
++void *__kprobes text_poke_early(void *addr, const void *opcode,
+ size_t len)
+ {
+ unsigned long flags;
+ local_irq_save(flags);
+- memcpy(addr, opcode, len);
++
++ pax_open_kernel();
++ memcpy(ktla_ktva(addr), opcode, len);
+ sync_core();
++ pax_close_kernel();
++
+ local_irq_restore(flags);
+ /* Could also do a CLFLUSH here to speed up CPU recovery; but
+ that causes hangs on some VIA CPUs. */
+@@ -618,36 +641,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode,
+ */
+ void *__kprobes text_poke(void *addr, const void *opcode, size_t len)
+ {
+- unsigned long flags;
+- char *vaddr;
++ unsigned char *vaddr = ktla_ktva(addr);
+ struct page *pages[2];
+- int i;
++ size_t i;
+
+ if (!core_kernel_text((unsigned long)addr)) {
+- pages[0] = vmalloc_to_page(addr);
+- pages[1] = vmalloc_to_page(addr + PAGE_SIZE);
++ pages[0] = vmalloc_to_page(vaddr);
++ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE);
+ } else {
+- pages[0] = virt_to_page(addr);
++ pages[0] = virt_to_page(vaddr);
+ WARN_ON(!PageReserved(pages[0]));
+- pages[1] = virt_to_page(addr + PAGE_SIZE);
++ pages[1] = virt_to_page(vaddr + PAGE_SIZE);
+ }
+ BUG_ON(!pages[0]);
+- local_irq_save(flags);
+- set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0]));
+- if (pages[1])
+- set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1]));
+- vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0);
+- memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len);
+- clear_fixmap(FIX_TEXT_POKE0);
+- if (pages[1])
+- clear_fixmap(FIX_TEXT_POKE1);
+- local_flush_tlb();
+- sync_core();
+- /* Could also do a CLFLUSH here to speed up CPU recovery; but
+- that causes hangs on some VIA CPUs. */
++ text_poke_early(addr, opcode, len);
+ for (i = 0; i < len; i++)
+- BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]);
+- local_irq_restore(flags);
++ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]);
+ return addr;
+ }
+
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
+index 24deb30..94a3426 100644
+--- a/arch/x86/kernel/apic/apic.c
++++ b/arch/x86/kernel/apic/apic.c
+@@ -185,7 +185,7 @@ int first_system_vector = 0xfe;
+ /*
+ * Debug level, exported for io_apic.c
+ */
+-unsigned int apic_verbosity;
++int apic_verbosity;
+
+ int pic_mode;
+
+@@ -1923,7 +1923,7 @@ void smp_error_interrupt(struct pt_regs *regs)
+ apic_write(APIC_ESR, 0);
+ v1 = apic_read(APIC_ESR);
+ ack_APIC_irq();
+- atomic_inc(&irq_err_count);
++ atomic_inc_unchecked(&irq_err_count);
+
+ apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x(%02x)",
+ smp_processor_id(), v0 , v1);
+@@ -2155,7 +2155,9 @@ void __init apic_set_eoi_write(void (*eoi_write)(u32 reg, u32 v))
+ for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
+ /* Should happen once for each apic */
+ WARN_ON((*drv)->eoi_write == eoi_write);
+- (*drv)->eoi_write = eoi_write;
++ pax_open_kernel();
++ *(void **)&(*drv)->eoi_write = eoi_write;
++ pax_close_kernel();
+ }
+ }
+
+diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
+index c265593..137c4ac 100644
+--- a/arch/x86/kernel/apic/io_apic.c
++++ b/arch/x86/kernel/apic/io_apic.c
+@@ -1084,7 +1084,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin,
+ }
+ EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
+
+-void lock_vector_lock(void)
++void lock_vector_lock(void) __acquires(vector_lock)
+ {
+ /* Used to the online set of cpus does not change
+ * during assign_irq_vector.
+@@ -1092,7 +1092,7 @@ void lock_vector_lock(void)
+ raw_spin_lock(&vector_lock);
+ }
+
+-void unlock_vector_lock(void)
++void unlock_vector_lock(void) __releases(vector_lock)
+ {
+ raw_spin_unlock(&vector_lock);
+ }
+@@ -2408,7 +2408,7 @@ static void ack_apic_edge(struct irq_data *data)
+ ack_APIC_irq();
+ }
+
+-atomic_t irq_mis_count;
++atomic_unchecked_t irq_mis_count;
+
+ #ifdef CONFIG_GENERIC_PENDING_IRQ
+ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
+@@ -2549,7 +2549,7 @@ static void ack_apic_level(struct irq_data *data)
+ * at the cpu.
+ */
+ if (!(v & (1 << (i & 0x1f)))) {
+- atomic_inc(&irq_mis_count);
++ atomic_inc_unchecked(&irq_mis_count);
+
+ eoi_ioapic_irq(irq, cfg);
+ }
+diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
+index d65464e..1035d31 100644
+--- a/arch/x86/kernel/apm_32.c
++++ b/arch/x86/kernel/apm_32.c
+@@ -412,7 +412,7 @@ static DEFINE_MUTEX(apm_mutex);
+ * This is for buggy BIOS's that refer to (real mode) segment 0x40
+ * even though they are called in protected mode.
+ */
+-static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
++static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
+ (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
+
+ static const char driver_version[] = "1.16ac"; /* no spaces */
+@@ -590,7 +590,10 @@ static long __apm_bios_call(void *_call)
+ BUG_ON(cpu != 0);
+ gdt = get_cpu_gdt_table(cpu);
+ save_desc_40 = gdt[0x40 / 8];
++
++ pax_open_kernel();
+ gdt[0x40 / 8] = bad_bios_desc;
++ pax_close_kernel();
+
+ apm_irq_save(flags);
+ APM_DO_SAVE_SEGS;
+@@ -599,7 +602,11 @@ static long __apm_bios_call(void *_call)
+ &call->esi);
+ APM_DO_RESTORE_SEGS;
+ apm_irq_restore(flags);
++
++ pax_open_kernel();
+ gdt[0x40 / 8] = save_desc_40;
++ pax_close_kernel();
++
+ put_cpu();
+
+ return call->eax & 0xff;
+@@ -666,7 +673,10 @@ static long __apm_bios_call_simple(void *_call)
+ BUG_ON(cpu != 0);
+ gdt = get_cpu_gdt_table(cpu);
+ save_desc_40 = gdt[0x40 / 8];
++
++ pax_open_kernel();
+ gdt[0x40 / 8] = bad_bios_desc;
++ pax_close_kernel();
+
+ apm_irq_save(flags);
+ APM_DO_SAVE_SEGS;
+@@ -674,7 +684,11 @@ static long __apm_bios_call_simple(void *_call)
+ &call->eax);
+ APM_DO_RESTORE_SEGS;
+ apm_irq_restore(flags);
++
++ pax_open_kernel();
+ gdt[0x40 / 8] = save_desc_40;
++ pax_close_kernel();
++
+ put_cpu();
+ return error;
+ }
+@@ -2345,12 +2359,15 @@ static int __init apm_init(void)
+ * code to that CPU.
+ */
+ gdt = get_cpu_gdt_table(0);
++
++ pax_open_kernel();
+ set_desc_base(&gdt[APM_CS >> 3],
+ (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4));
+ set_desc_base(&gdt[APM_CS_16 >> 3],
+ (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4));
+ set_desc_base(&gdt[APM_DS >> 3],
+ (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4));
++ pax_close_kernel();
+
+ proc_create("apm", 0, NULL, &apm_file_ops);
+
+diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
+index 68de2dc..1f3c720 100644
+--- a/arch/x86/kernel/asm-offsets.c
++++ b/arch/x86/kernel/asm-offsets.c
+@@ -33,6 +33,8 @@ void common(void) {
+ OFFSET(TI_status, thread_info, status);
+ OFFSET(TI_addr_limit, thread_info, addr_limit);
+ OFFSET(TI_preempt_count, thread_info, preempt_count);
++ OFFSET(TI_lowest_stack, thread_info, lowest_stack);
++ DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo));
+
+ BLANK();
+ OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
+@@ -53,8 +55,26 @@ void common(void) {
+ OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
+ OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
+ OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
++
++#ifdef CONFIG_PAX_KERNEXEC
++ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0);
+ #endif
+
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3);
++ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3);
++#ifdef CONFIG_X86_64
++ OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched);
++#endif
++#endif
++
++#endif
++
++ BLANK();
++ DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
++ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
++ DEFINE(THREAD_SIZE_asm, THREAD_SIZE);
++
+ #ifdef CONFIG_XEN
+ BLANK();
+ OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
+diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
+index 1b4754f..fbb4227 100644
+--- a/arch/x86/kernel/asm-offsets_64.c
++++ b/arch/x86/kernel/asm-offsets_64.c
+@@ -76,6 +76,7 @@ int main(void)
+ BLANK();
+ #undef ENTRY
+
++ DEFINE(TSS_size, sizeof(struct tss_struct));
+ OFFSET(TSS_ist, tss_struct, x86_tss.ist);
+ BLANK();
+
+diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
+index d30a6a9..79becab 100644
+--- a/arch/x86/kernel/cpu/Makefile
++++ b/arch/x86/kernel/cpu/Makefile
+@@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg
+ CFLAGS_REMOVE_perf_event.o = -pg
+ endif
+
+-# Make sure load_percpu_segment has no stackprotector
+-nostackp := $(call cc-option, -fno-stack-protector)
+-CFLAGS_common.o := $(nostackp)
+-
+ obj-y := intel_cacheinfo.o scattered.o topology.o
+ obj-y += proc.o capflags.o powerflags.o common.o
+ obj-y += vmware.o hypervisor.o mshyperv.o
+diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
+index 9d92e19..49d7d79 100644
+--- a/arch/x86/kernel/cpu/amd.c
++++ b/arch/x86/kernel/cpu/amd.c
+@@ -724,7 +724,7 @@ static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 *c,
+ unsigned int size)
+ {
+ /* AMD errata T13 (order #21922) */
+- if ((c->x86 == 6)) {
++ if (c->x86 == 6) {
+ /* Duron Rev A0 */
+ if (c->x86_model == 3 && c->x86_mask == 0)
+ size = 64;
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index a5fbc3c..2254849 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -86,60 +86,6 @@ static const struct cpu_dev __cpuinitconst default_cpu = {
+
+ static const struct cpu_dev *this_cpu __cpuinitdata = &default_cpu;
+
+-DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = {
+-#ifdef CONFIG_X86_64
+- /*
+- * We need valid kernel segments for data and code in long mode too
+- * IRET will check the segment types kkeil 2000/10/28
+- * Also sysret mandates a special GDT layout
+- *
+- * TLS descriptors are currently at a different place compared to i386.
+- * Hopefully nobody expects them at a fixed place (Wine?)
+- */
+- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff),
+- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff),
+- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff),
+- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff),
+- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff),
+- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff),
+-#else
+- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff),
+- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
+- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff),
+- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff),
+- /*
+- * Segments used for calling PnP BIOS have byte granularity.
+- * They code segments and data segments have fixed 64k limits,
+- * the transfer segment sizes are set at run time.
+- */
+- /* 32-bit code */
+- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
+- /* 16-bit code */
+- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
+- /* 16-bit data */
+- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff),
+- /* 16-bit data */
+- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0),
+- /* 16-bit data */
+- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0),
+- /*
+- * The APM segments have byte granularity and their bases
+- * are set at run time. All have 64k limits.
+- */
+- /* 32-bit code */
+- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
+- /* 16-bit code */
+- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
+- /* data */
+- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff),
+-
+- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
+- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
+- GDT_STACK_CANARY_INIT
+-#endif
+-} };
+-EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
+-
+ static int __init x86_xsave_setup(char *s)
+ {
+ setup_clear_cpu_cap(X86_FEATURE_XSAVE);
+@@ -376,7 +322,7 @@ void switch_to_new_gdt(int cpu)
+ {
+ struct desc_ptr gdt_descr;
+
+- gdt_descr.address = (long)get_cpu_gdt_table(cpu);
++ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
+ gdt_descr.size = GDT_SIZE - 1;
+ load_gdt(&gdt_descr);
+ /* Reload the per-cpu base */
+@@ -872,6 +818,10 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
+ /* Filter out anything that depends on CPUID levels we don't have */
+ filter_cpuid_features(c, true);
+
++#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
++ setup_clear_cpu_cap(X86_FEATURE_SEP);
++#endif
++
+ /* If the model name is still unset, do table lookup. */
+ if (!c->x86_model_id[0]) {
+ const char *p;
+@@ -1054,10 +1004,12 @@ static __init int setup_disablecpuid(char *arg)
+ }
+ __setup("clearcpuid=", setup_disablecpuid);
+
++DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo;
++EXPORT_PER_CPU_SYMBOL(current_tinfo);
++
+ #ifdef CONFIG_X86_64
+ struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
+-struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1,
+- (unsigned long) nmi_idt_table };
++struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) nmi_idt_table };
+
+ DEFINE_PER_CPU_FIRST(union irq_stack_union,
+ irq_stack_union) __aligned(PAGE_SIZE);
+@@ -1071,7 +1023,7 @@ DEFINE_PER_CPU(struct task_struct *, current_task) ____cacheline_aligned =
+ EXPORT_PER_CPU_SYMBOL(current_task);
+
+ DEFINE_PER_CPU(unsigned long, kernel_stack) =
+- (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE;
++ (unsigned long)&init_thread_union - 16 + THREAD_SIZE;
+ EXPORT_PER_CPU_SYMBOL(kernel_stack);
+
+ DEFINE_PER_CPU(char *, irq_stack_ptr) =
+@@ -1165,7 +1117,7 @@ struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs)
+ {
+ memset(regs, 0, sizeof(struct pt_regs));
+ regs->fs = __KERNEL_PERCPU;
+- regs->gs = __KERNEL_STACK_CANARY;
++ savesegment(gs, regs->gs);
+
+ return regs;
+ }
+@@ -1220,7 +1172,7 @@ void __cpuinit cpu_init(void)
+ int i;
+
+ cpu = stack_smp_processor_id();
+- t = &per_cpu(init_tss, cpu);
++ t = init_tss + cpu;
+ oist = &per_cpu(orig_ist, cpu);
+
+ #ifdef CONFIG_NUMA
+@@ -1246,7 +1198,7 @@ void __cpuinit cpu_init(void)
+ switch_to_new_gdt(cpu);
+ loadsegment(fs, 0);
+
+- load_idt((const struct desc_ptr *)&idt_descr);
++ load_idt(&idt_descr);
+
+ memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
+ syscall_init();
+@@ -1255,7 +1207,6 @@ void __cpuinit cpu_init(void)
+ wrmsrl(MSR_KERNEL_GS_BASE, 0);
+ barrier();
+
+- x86_configure_nx();
+ if (cpu != 0)
+ enable_x2apic();
+
+@@ -1311,7 +1262,7 @@ void __cpuinit cpu_init(void)
+ {
+ int cpu = smp_processor_id();
+ struct task_struct *curr = current;
+- struct tss_struct *t = &per_cpu(init_tss, cpu);
++ struct tss_struct *t = init_tss + cpu;
+ struct thread_struct *thread = &curr->thread;
+
+ if (cpumask_test_and_set_cpu(cpu, cpu_initialized_mask)) {
+diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
+index 0a4ce29..f211176 100644
+--- a/arch/x86/kernel/cpu/intel.c
++++ b/arch/x86/kernel/cpu/intel.c
+@@ -174,7 +174,7 @@ static void __cpuinit trap_init_f00f_bug(void)
+ * Update the IDT descriptor and reload the IDT so that
+ * it uses the read-only mapped virtual address.
+ */
+- idt_descr.address = fix_to_virt(FIX_F00F_IDT);
++ idt_descr.address = (struct desc_struct *)fix_to_virt(FIX_F00F_IDT);
+ load_idt(&idt_descr);
+ }
+ #endif
+diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
+index 292d025..b520c94 100644
+--- a/arch/x86/kernel/cpu/mcheck/mce.c
++++ b/arch/x86/kernel/cpu/mcheck/mce.c
+@@ -45,6 +45,7 @@
+ #include <asm/processor.h>
+ #include <asm/mce.h>
+ #include <asm/msr.h>
++#include <asm/local.h>
+
+ #include "mce-internal.h"
+
+@@ -253,7 +254,7 @@ static void print_mce(struct mce *m)
+ !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
+ m->cs, m->ip);
+
+- if (m->cs == __KERNEL_CS)
++ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS)
+ print_symbol("{%s}", m->ip);
+ pr_cont("\n");
+ }
+@@ -286,10 +287,10 @@ static void print_mce(struct mce *m)
+
+ #define PANIC_TIMEOUT 5 /* 5 seconds */
+
+-static atomic_t mce_paniced;
++static atomic_unchecked_t mce_paniced;
+
+ static int fake_panic;
+-static atomic_t mce_fake_paniced;
++static atomic_unchecked_t mce_fake_paniced;
+
+ /* Panic in progress. Enable interrupts and wait for final IPI */
+ static void wait_for_panic(void)
+@@ -313,7 +314,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
+ /*
+ * Make sure only one CPU runs in machine check panic
+ */
+- if (atomic_inc_return(&mce_paniced) > 1)
++ if (atomic_inc_return_unchecked(&mce_paniced) > 1)
+ wait_for_panic();
+ barrier();
+
+@@ -321,7 +322,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
+ console_verbose();
+ } else {
+ /* Don't log too much for fake panic */
+- if (atomic_inc_return(&mce_fake_paniced) > 1)
++ if (atomic_inc_return_unchecked(&mce_fake_paniced) > 1)
+ return;
+ }
+ /* First print corrected ones that are still unlogged */
+@@ -693,7 +694,7 @@ static int mce_timed_out(u64 *t)
+ * might have been modified by someone else.
+ */
+ rmb();
+- if (atomic_read(&mce_paniced))
++ if (atomic_read_unchecked(&mce_paniced))
+ wait_for_panic();
+ if (!monarch_timeout)
+ goto out;
+@@ -1619,7 +1620,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code)
+ }
+
+ /* Call the installed machine check handler for this CPU setup. */
+-void (*machine_check_vector)(struct pt_regs *, long error_code) =
++void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only =
+ unexpected_machine_check;
+
+ /*
+@@ -1642,7 +1643,9 @@ void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
+ return;
+ }
+
++ pax_open_kernel();
+ machine_check_vector = do_machine_check;
++ pax_close_kernel();
+
+ __mcheck_cpu_init_generic();
+ __mcheck_cpu_init_vendor(c);
+@@ -1656,7 +1659,7 @@ void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
+ */
+
+ static DEFINE_SPINLOCK(mce_chrdev_state_lock);
+-static int mce_chrdev_open_count; /* #times opened */
++static local_t mce_chrdev_open_count; /* #times opened */
+ static int mce_chrdev_open_exclu; /* already open exclusive? */
+
+ static int mce_chrdev_open(struct inode *inode, struct file *file)
+@@ -1664,7 +1667,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
+ spin_lock(&mce_chrdev_state_lock);
+
+ if (mce_chrdev_open_exclu ||
+- (mce_chrdev_open_count && (file->f_flags & O_EXCL))) {
++ (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) {
+ spin_unlock(&mce_chrdev_state_lock);
+
+ return -EBUSY;
+@@ -1672,7 +1675,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
+
+ if (file->f_flags & O_EXCL)
+ mce_chrdev_open_exclu = 1;
+- mce_chrdev_open_count++;
++ local_inc(&mce_chrdev_open_count);
+
+ spin_unlock(&mce_chrdev_state_lock);
+
+@@ -1683,7 +1686,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file)
+ {
+ spin_lock(&mce_chrdev_state_lock);
+
+- mce_chrdev_open_count--;
++ local_dec(&mce_chrdev_open_count);
+ mce_chrdev_open_exclu = 0;
+
+ spin_unlock(&mce_chrdev_state_lock);
+@@ -2407,7 +2410,7 @@ struct dentry *mce_get_debugfs_dir(void)
+ static void mce_reset(void)
+ {
+ cpu_missing = 0;
+- atomic_set(&mce_fake_paniced, 0);
++ atomic_set_unchecked(&mce_fake_paniced, 0);
+ atomic_set(&mce_executing, 0);
+ atomic_set(&mce_callin, 0);
+ atomic_set(&global_nwo, 0);
+diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
+index 2d5454c..51987eb 100644
+--- a/arch/x86/kernel/cpu/mcheck/p5.c
++++ b/arch/x86/kernel/cpu/mcheck/p5.c
+@@ -11,6 +11,7 @@
+ #include <asm/processor.h>
+ #include <asm/mce.h>
+ #include <asm/msr.h>
++#include <asm/pgtable.h>
+
+ /* By default disabled */
+ int mce_p5_enabled __read_mostly;
+@@ -49,7 +50,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c)
+ if (!cpu_has(c, X86_FEATURE_MCE))
+ return;
+
++ pax_open_kernel();
+ machine_check_vector = pentium_machine_check;
++ pax_close_kernel();
+ /* Make sure the vector pointer is visible before we enable MCEs: */
+ wmb();
+
+diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
+index 2d7998f..17c9de1 100644
+--- a/arch/x86/kernel/cpu/mcheck/winchip.c
++++ b/arch/x86/kernel/cpu/mcheck/winchip.c
+@@ -10,6 +10,7 @@
+ #include <asm/processor.h>
+ #include <asm/mce.h>
+ #include <asm/msr.h>
++#include <asm/pgtable.h>
+
+ /* Machine check handler for WinChip C6: */
+ static void winchip_machine_check(struct pt_regs *regs, long error_code)
+@@ -23,7 +24,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c)
+ {
+ u32 lo, hi;
+
++ pax_open_kernel();
+ machine_check_vector = winchip_machine_check;
++ pax_close_kernel();
+ /* Make sure the vector pointer is visible before we enable MCEs: */
+ wmb();
+
+diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
+index 6b96110..0da73eb 100644
+--- a/arch/x86/kernel/cpu/mtrr/main.c
++++ b/arch/x86/kernel/cpu/mtrr/main.c
+@@ -62,7 +62,7 @@ static DEFINE_MUTEX(mtrr_mutex);
+ u64 size_or_mask, size_and_mask;
+ static bool mtrr_aps_delayed_init;
+
+-static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM];
++static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only;
+
+ const struct mtrr_ops *mtrr_if;
+
+diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h
+index df5e41f..816c719 100644
+--- a/arch/x86/kernel/cpu/mtrr/mtrr.h
++++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
+@@ -25,7 +25,7 @@ struct mtrr_ops {
+ int (*validate_add_page)(unsigned long base, unsigned long size,
+ unsigned int type);
+ int (*have_wrcomb)(void);
+-};
++} __do_const;
+
+ extern int generic_get_free_region(unsigned long base, unsigned long size,
+ int replace_reg);
+diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
+index 915b876..171f845 100644
+--- a/arch/x86/kernel/cpu/perf_event.c
++++ b/arch/x86/kernel/cpu/perf_event.c
+@@ -1757,7 +1757,7 @@ static unsigned long get_segment_base(unsigned int segment)
+ if (idx > GDT_ENTRIES)
+ return 0;
+
+- desc = __this_cpu_ptr(&gdt_page.gdt[0]);
++ desc = get_cpu_gdt_table(smp_processor_id());
+ }
+
+ return get_desc_base(desc + idx);
+@@ -1847,7 +1847,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
+ break;
+
+ perf_callchain_store(entry, frame.return_address);
+- fp = frame.next_frame;
++ fp = (const void __force_user *)frame.next_frame;
+ }
+ }
+
+diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
+index 6bca492..36e4496 100644
+--- a/arch/x86/kernel/cpu/perf_event_intel.c
++++ b/arch/x86/kernel/cpu/perf_event_intel.c
+@@ -1947,10 +1947,10 @@ __init int intel_pmu_init(void)
+ * v2 and above have a perf capabilities MSR
+ */
+ if (version > 1) {
+- u64 capabilities;
++ u64 capabilities = x86_pmu.intel_cap.capabilities;
+
+- rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
+- x86_pmu.intel_cap.capabilities = capabilities;
++ if (rdmsrl_safe(MSR_IA32_PERF_CAPABILITIES, &x86_pmu.intel_cap.capabilities))
++ x86_pmu.intel_cap.capabilities = capabilities;
+ }
+
+ intel_ds_init();
+diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
+index 13ad899..f642b9a 100644
+--- a/arch/x86/kernel/crash.c
++++ b/arch/x86/kernel/crash.c
+@@ -36,10 +36,8 @@ static void kdump_nmi_callback(int cpu, struct pt_regs *regs)
+ {
+ #ifdef CONFIG_X86_32
+ struct pt_regs fixed_regs;
+-#endif
+
+-#ifdef CONFIG_X86_32
+- if (!user_mode_vm(regs)) {
++ if (!user_mode(regs)) {
+ crash_fixup_ss_esp(&fixed_regs, regs);
+ regs = &fixed_regs;
+ }
+diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c
+index 37250fe..bf2ec74 100644
+--- a/arch/x86/kernel/doublefault_32.c
++++ b/arch/x86/kernel/doublefault_32.c
+@@ -11,7 +11,7 @@
+
+ #define DOUBLEFAULT_STACKSIZE (1024)
+ static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE];
+-#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE)
++#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2)
+
+ #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM)
+
+@@ -21,7 +21,7 @@ static void doublefault_fn(void)
+ unsigned long gdt, tss;
+
+ store_gdt(&gdt_desc);
+- gdt = gdt_desc.address;
++ gdt = (unsigned long)gdt_desc.address;
+
+ printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size);
+
+@@ -58,10 +58,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = {
+ /* 0x2 bit is always set */
+ .flags = X86_EFLAGS_SF | 0x2,
+ .sp = STACK_START,
+- .es = __USER_DS,
++ .es = __KERNEL_DS,
+ .cs = __KERNEL_CS,
+ .ss = __KERNEL_DS,
+- .ds = __USER_DS,
++ .ds = __KERNEL_DS,
+ .fs = __KERNEL_PERCPU,
+
+ .__cr3 = __pa_nodebug(swapper_pg_dir),
+diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
+index ae42418b..787c16b 100644
+--- a/arch/x86/kernel/dumpstack.c
++++ b/arch/x86/kernel/dumpstack.c
+@@ -2,6 +2,9 @@
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
+ */
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++#define __INCLUDED_BY_HIDESYM 1
++#endif
+ #include <linux/kallsyms.h>
+ #include <linux/kprobes.h>
+ #include <linux/uaccess.h>
+@@ -35,16 +38,14 @@ void printk_address(unsigned long address, int reliable)
+ static void
+ print_ftrace_graph_addr(unsigned long addr, void *data,
+ const struct stacktrace_ops *ops,
+- struct thread_info *tinfo, int *graph)
++ struct task_struct *task, int *graph)
+ {
+- struct task_struct *task;
+ unsigned long ret_addr;
+ int index;
+
+ if (addr != (unsigned long)return_to_handler)
+ return;
+
+- task = tinfo->task;
+ index = task->curr_ret_stack;
+
+ if (!task->ret_stack || index < *graph)
+@@ -61,7 +62,7 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
+ static inline void
+ print_ftrace_graph_addr(unsigned long addr, void *data,
+ const struct stacktrace_ops *ops,
+- struct thread_info *tinfo, int *graph)
++ struct task_struct *task, int *graph)
+ { }
+ #endif
+
+@@ -72,10 +73,8 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
+ * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
+ */
+
+-static inline int valid_stack_ptr(struct thread_info *tinfo,
+- void *p, unsigned int size, void *end)
++static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end)
+ {
+- void *t = tinfo;
+ if (end) {
+ if (p < end && p >= (end-THREAD_SIZE))
+ return 1;
+@@ -86,14 +85,14 @@ static inline int valid_stack_ptr(struct thread_info *tinfo,
+ }
+
+ unsigned long
+-print_context_stack(struct thread_info *tinfo,
++print_context_stack(struct task_struct *task, void *stack_start,
+ unsigned long *stack, unsigned long bp,
+ const struct stacktrace_ops *ops, void *data,
+ unsigned long *end, int *graph)
+ {
+ struct stack_frame *frame = (struct stack_frame *)bp;
+
+- while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) {
++ while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) {
+ unsigned long addr;
+
+ addr = *stack;
+@@ -105,7 +104,7 @@ print_context_stack(struct thread_info *tinfo,
+ } else {
+ ops->address(data, addr, 0);
+ }
+- print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
++ print_ftrace_graph_addr(addr, data, ops, task, graph);
+ }
+ stack++;
+ }
+@@ -114,7 +113,7 @@ print_context_stack(struct thread_info *tinfo,
+ EXPORT_SYMBOL_GPL(print_context_stack);
+
+ unsigned long
+-print_context_stack_bp(struct thread_info *tinfo,
++print_context_stack_bp(struct task_struct *task, void *stack_start,
+ unsigned long *stack, unsigned long bp,
+ const struct stacktrace_ops *ops, void *data,
+ unsigned long *end, int *graph)
+@@ -122,7 +121,7 @@ print_context_stack_bp(struct thread_info *tinfo,
+ struct stack_frame *frame = (struct stack_frame *)bp;
+ unsigned long *ret_addr = &frame->return_address;
+
+- while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) {
++ while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) {
+ unsigned long addr = *ret_addr;
+
+ if (!__kernel_text_address(addr))
+@@ -131,7 +130,7 @@ print_context_stack_bp(struct thread_info *tinfo,
+ ops->address(data, addr, 1);
+ frame = frame->next_frame;
+ ret_addr = &frame->return_address;
+- print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
++ print_ftrace_graph_addr(addr, data, ops, task, graph);
+ }
+
+ return (unsigned long)frame;
+@@ -189,7 +188,7 @@ void dump_stack(void)
+
+ bp = stack_frame(current, NULL);
+ printk("Pid: %d, comm: %.20s %s %s %.*s\n",
+- current->pid, current->comm, print_tainted(),
++ task_pid_nr(current), current->comm, print_tainted(),
+ init_utsname()->release,
+ (int)strcspn(init_utsname()->version, " "),
+ init_utsname()->version);
+@@ -225,6 +224,8 @@ unsigned __kprobes long oops_begin(void)
+ }
+ EXPORT_SYMBOL_GPL(oops_begin);
+
++extern void gr_handle_kernel_exploit(void);
++
+ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
+ {
+ if (regs && kexec_should_crash(current))
+@@ -246,7 +247,10 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
+ panic("Fatal exception in interrupt");
+ if (panic_on_oops)
+ panic("Fatal exception");
+- do_exit(signr);
++
++ gr_handle_kernel_exploit();
++
++ do_group_exit(signr);
+ }
+
+ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
+@@ -274,7 +278,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
+ print_modules();
+ show_regs(regs);
+ #ifdef CONFIG_X86_32
+- if (user_mode_vm(regs)) {
++ if (user_mode(regs)) {
+ sp = regs->sp;
+ ss = regs->ss & 0xffff;
+ } else {
+@@ -302,7 +306,7 @@ void die(const char *str, struct pt_regs *regs, long err)
+ unsigned long flags = oops_begin();
+ int sig = SIGSEGV;
+
+- if (!user_mode_vm(regs))
++ if (!user_mode(regs))
+ report_bug(regs->ip, regs);
+
+ if (__die(str, regs, err))
+diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
+index 1038a41..ac7e5f6 100644
+--- a/arch/x86/kernel/dumpstack_32.c
++++ b/arch/x86/kernel/dumpstack_32.c
+@@ -38,15 +38,13 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ bp = stack_frame(task, regs);
+
+ for (;;) {
+- struct thread_info *context;
++ void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
+
+- context = (struct thread_info *)
+- ((unsigned long)stack & (~(THREAD_SIZE - 1)));
+- bp = ops->walk_stack(context, stack, bp, ops, data, NULL, &graph);
++ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph);
+
+- stack = (unsigned long *)context->previous_esp;
+- if (!stack)
++ if (stack_start == task_stack_page(task))
+ break;
++ stack = *(unsigned long **)stack_start;
+ if (ops->stack(data, "IRQ") < 0)
+ break;
+ touch_nmi_watchdog();
+@@ -86,7 +84,7 @@ void show_regs(struct pt_regs *regs)
+ {
+ int i;
+
+- __show_regs(regs, !user_mode_vm(regs));
++ __show_regs(regs, !user_mode(regs));
+
+ pr_emerg("Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)\n",
+ TASK_COMM_LEN, current->comm, task_pid_nr(current),
+@@ -95,21 +93,22 @@ void show_regs(struct pt_regs *regs)
+ * When in-kernel, we also print out the stack and code at the
+ * time of the fault..
+ */
+- if (!user_mode_vm(regs)) {
++ if (!user_mode(regs)) {
+ unsigned int code_prologue = code_bytes * 43 / 64;
+ unsigned int code_len = code_bytes;
+ unsigned char c;
+ u8 *ip;
++ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(smp_processor_id())[(0xffff & regs->cs) >> 3]);
+
+ pr_emerg("Stack:\n");
+ show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG);
+
+ pr_emerg("Code:");
+
+- ip = (u8 *)regs->ip - code_prologue;
++ ip = (u8 *)regs->ip - code_prologue + cs_base;
+ if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
+ /* try starting at IP */
+- ip = (u8 *)regs->ip;
++ ip = (u8 *)regs->ip + cs_base;
+ code_len = code_len - code_prologue + 1;
+ }
+ for (i = 0; i < code_len; i++, ip++) {
+@@ -118,7 +117,7 @@ void show_regs(struct pt_regs *regs)
+ pr_cont(" Bad EIP value.");
+ break;
+ }
+- if (ip == (u8 *)regs->ip)
++ if (ip == (u8 *)regs->ip + cs_base)
+ pr_cont(" <%02x>", c);
+ else
+ pr_cont(" %02x", c);
+@@ -131,6 +130,7 @@ int is_valid_bugaddr(unsigned long ip)
+ {
+ unsigned short ud2;
+
++ ip = ktla_ktva(ip);
+ if (ip < PAGE_OFFSET)
+ return 0;
+ if (probe_kernel_address((unsigned short *)ip, ud2))
+@@ -138,3 +138,15 @@ int is_valid_bugaddr(unsigned long ip)
+
+ return ud2 == 0x0b0f;
+ }
++
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++void pax_check_alloca(unsigned long size)
++{
++ unsigned long sp = (unsigned long)&sp, stack_left;
++
++ /* all kernel stacks are of the same size */
++ stack_left = sp & (THREAD_SIZE - 1);
++ BUG_ON(stack_left < 256 || size >= stack_left - 256);
++}
++EXPORT_SYMBOL(pax_check_alloca);
++#endif
+diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
+index b653675..33190c0 100644
+--- a/arch/x86/kernel/dumpstack_64.c
++++ b/arch/x86/kernel/dumpstack_64.c
+@@ -119,9 +119,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *irq_stack_end =
+ (unsigned long *)per_cpu(irq_stack_ptr, cpu);
+ unsigned used = 0;
+- struct thread_info *tinfo;
+ int graph = 0;
+ unsigned long dummy;
++ void *stack_start;
+
+ if (!task)
+ task = current;
+@@ -142,10 +142,10 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ * current stack address. If the stacks consist of nested
+ * exceptions
+ */
+- tinfo = task_thread_info(task);
+ for (;;) {
+ char *id;
+ unsigned long *estack_end;
++
+ estack_end = in_exception_stack(cpu, (unsigned long)stack,
+ &used, &id);
+
+@@ -153,7 +153,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ if (ops->stack(data, id) < 0)
+ break;
+
+- bp = ops->walk_stack(tinfo, stack, bp, ops,
++ bp = ops->walk_stack(task, estack_end - EXCEPTION_STKSZ, stack, bp, ops,
+ data, estack_end, &graph);
+ ops->stack(data, "<EOE>");
+ /*
+@@ -161,6 +161,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ * second-to-last pointer (index -2 to end) in the
+ * exception stack:
+ */
++ if ((u16)estack_end[-1] != __KERNEL_DS)
++ goto out;
+ stack = (unsigned long *) estack_end[-2];
+ continue;
+ }
+@@ -172,7 +174,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ if (in_irq_stack(stack, irq_stack, irq_stack_end)) {
+ if (ops->stack(data, "IRQ") < 0)
+ break;
+- bp = ops->walk_stack(tinfo, stack, bp,
++ bp = ops->walk_stack(task, irq_stack, stack, bp,
+ ops, data, irq_stack_end, &graph);
+ /*
+ * We link to the next stack (which would be
+@@ -191,7 +193,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ /*
+ * This handles the process stack:
+ */
+- bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph);
++ stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
++ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph);
++out:
+ put_cpu();
+ }
+ EXPORT_SYMBOL(dump_trace);
+@@ -304,3 +308,50 @@ int is_valid_bugaddr(unsigned long ip)
+
+ return ud2 == 0x0b0f;
+ }
++
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++void pax_check_alloca(unsigned long size)
++{
++ unsigned long sp = (unsigned long)&sp, stack_start, stack_end;
++ unsigned cpu, used;
++ char *id;
++
++ /* check the process stack first */
++ stack_start = (unsigned long)task_stack_page(current);
++ stack_end = stack_start + THREAD_SIZE;
++ if (likely(stack_start <= sp && sp < stack_end)) {
++ unsigned long stack_left = sp & (THREAD_SIZE - 1);
++ BUG_ON(stack_left < 256 || size >= stack_left - 256);
++ return;
++ }
++
++ cpu = get_cpu();
++
++ /* check the irq stacks */
++ stack_end = (unsigned long)per_cpu(irq_stack_ptr, cpu);
++ stack_start = stack_end - IRQ_STACK_SIZE;
++ if (stack_start <= sp && sp < stack_end) {
++ unsigned long stack_left = sp & (IRQ_STACK_SIZE - 1);
++ put_cpu();
++ BUG_ON(stack_left < 256 || size >= stack_left - 256);
++ return;
++ }
++
++ /* check the exception stacks */
++ used = 0;
++ stack_end = (unsigned long)in_exception_stack(cpu, sp, &used, &id);
++ stack_start = stack_end - EXCEPTION_STKSZ;
++ if (stack_end && stack_start <= sp && sp < stack_end) {
++ unsigned long stack_left = sp & (EXCEPTION_STKSZ - 1);
++ put_cpu();
++ BUG_ON(stack_left < 256 || size >= stack_left - 256);
++ return;
++ }
++
++ put_cpu();
++
++ /* unknown stack */
++ BUG();
++}
++EXPORT_SYMBOL(pax_check_alloca);
++#endif
+diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
+index 9b9f18b..9fcaa04 100644
+--- a/arch/x86/kernel/early_printk.c
++++ b/arch/x86/kernel/early_printk.c
+@@ -7,6 +7,7 @@
+ #include <linux/pci_regs.h>
+ #include <linux/pci_ids.h>
+ #include <linux/errno.h>
++#include <linux/sched.h>
+ #include <asm/io.h>
+ #include <asm/processor.h>
+ #include <asm/fcntl.h>
+diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
+index 8f8e8ee..3617d6e 100644
+--- a/arch/x86/kernel/entry_32.S
++++ b/arch/x86/kernel/entry_32.S
+@@ -176,13 +176,153 @@
+ /*CFI_REL_OFFSET gs, PT_GS*/
+ .endm
+ .macro SET_KERNEL_GS reg
++
++#ifdef CONFIG_CC_STACKPROTECTOR
+ movl $(__KERNEL_STACK_CANARY), \reg
++#elif defined(CONFIG_PAX_MEMORY_UDEREF)
++ movl $(__USER_DS), \reg
++#else
++ xorl \reg, \reg
++#endif
++
+ movl \reg, %gs
+ .endm
+
+ #endif /* CONFIG_X86_32_LAZY_GS */
+
+-.macro SAVE_ALL
++.macro pax_enter_kernel
++#ifdef CONFIG_PAX_KERNEXEC
++ call pax_enter_kernel
++#endif
++.endm
++
++.macro pax_exit_kernel
++#ifdef CONFIG_PAX_KERNEXEC
++ call pax_exit_kernel
++#endif
++.endm
++
++#ifdef CONFIG_PAX_KERNEXEC
++ENTRY(pax_enter_kernel)
++#ifdef CONFIG_PARAVIRT
++ pushl %eax
++ pushl %ecx
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0)
++ mov %eax, %esi
++#else
++ mov %cr0, %esi
++#endif
++ bts $16, %esi
++ jnc 1f
++ mov %cs, %esi
++ cmp $__KERNEL_CS, %esi
++ jz 3f
++ ljmp $__KERNEL_CS, $3f
++1: ljmp $__KERNEXEC_KERNEL_CS, $2f
++2:
++#ifdef CONFIG_PARAVIRT
++ mov %esi, %eax
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
++#else
++ mov %esi, %cr0
++#endif
++3:
++#ifdef CONFIG_PARAVIRT
++ popl %ecx
++ popl %eax
++#endif
++ ret
++ENDPROC(pax_enter_kernel)
++
++ENTRY(pax_exit_kernel)
++#ifdef CONFIG_PARAVIRT
++ pushl %eax
++ pushl %ecx
++#endif
++ mov %cs, %esi
++ cmp $__KERNEXEC_KERNEL_CS, %esi
++ jnz 2f
++#ifdef CONFIG_PARAVIRT
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0);
++ mov %eax, %esi
++#else
++ mov %cr0, %esi
++#endif
++ btr $16, %esi
++ ljmp $__KERNEL_CS, $1f
++1:
++#ifdef CONFIG_PARAVIRT
++ mov %esi, %eax
++ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0);
++#else
++ mov %esi, %cr0
++#endif
++2:
++#ifdef CONFIG_PARAVIRT
++ popl %ecx
++ popl %eax
++#endif
++ ret
++ENDPROC(pax_exit_kernel)
++#endif
++
++.macro pax_erase_kstack
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++ call pax_erase_kstack
++#endif
++.endm
++
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++/*
++ * ebp: thread_info
++ */
++ENTRY(pax_erase_kstack)
++ pushl %edi
++ pushl %ecx
++ pushl %eax
++
++ mov TI_lowest_stack(%ebp), %edi
++ mov $-0xBEEF, %eax
++ std
++
++1: mov %edi, %ecx
++ and $THREAD_SIZE_asm - 1, %ecx
++ shr $2, %ecx
++ repne scasl
++ jecxz 2f
++
++ cmp $2*16, %ecx
++ jc 2f
++
++ mov $2*16, %ecx
++ repe scasl
++ jecxz 2f
++ jne 1b
++
++2: cld
++ mov %esp, %ecx
++ sub %edi, %ecx
++
++ cmp $THREAD_SIZE_asm, %ecx
++ jb 3f
++ ud2
++3:
++
++ shr $2, %ecx
++ rep stosl
++
++ mov TI_task_thread_sp0(%ebp), %edi
++ sub $128, %edi
++ mov %edi, TI_lowest_stack(%ebp)
++
++ popl %eax
++ popl %ecx
++ popl %edi
++ ret
++ENDPROC(pax_erase_kstack)
++#endif
++
++.macro __SAVE_ALL _DS
+ cld
+ PUSH_GS
+ pushl_cfi %fs
+@@ -205,7 +345,7 @@
+ CFI_REL_OFFSET ecx, 0
+ pushl_cfi %ebx
+ CFI_REL_OFFSET ebx, 0
+- movl $(__USER_DS), %edx
++ movl $\_DS, %edx
+ movl %edx, %ds
+ movl %edx, %es
+ movl $(__KERNEL_PERCPU), %edx
+@@ -213,6 +353,15 @@
+ SET_KERNEL_GS %edx
+ .endm
+
++.macro SAVE_ALL
++#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
++ __SAVE_ALL __KERNEL_DS
++ pax_enter_kernel
++#else
++ __SAVE_ALL __USER_DS
++#endif
++.endm
++
+ .macro RESTORE_INT_REGS
+ popl_cfi %ebx
+ CFI_RESTORE ebx
+@@ -296,7 +445,7 @@ ENTRY(ret_from_fork)
+ popfl_cfi
+ jmp syscall_exit
+ CFI_ENDPROC
+-END(ret_from_fork)
++ENDPROC(ret_from_fork)
+
+ /*
+ * Interrupt exit functions should be protected against kprobes
+@@ -329,7 +478,15 @@ ret_from_intr:
+ andl $SEGMENT_RPL_MASK, %eax
+ #endif
+ cmpl $USER_RPL, %eax
++
++#ifdef CONFIG_PAX_KERNEXEC
++ jae resume_userspace
++
++ pax_exit_kernel
++ jmp resume_kernel
++#else
+ jb resume_kernel # not returning to v8086 or userspace
++#endif
+
+ ENTRY(resume_userspace)
+ LOCKDEP_SYS_EXIT
+@@ -341,8 +498,8 @@ ENTRY(resume_userspace)
+ andl $_TIF_WORK_MASK, %ecx # is there any work to be done on
+ # int/exception return?
+ jne work_pending
+- jmp restore_all
+-END(ret_from_exception)
++ jmp restore_all_pax
++ENDPROC(ret_from_exception)
+
+ #ifdef CONFIG_PREEMPT
+ ENTRY(resume_kernel)
+@@ -357,7 +514,7 @@ need_resched:
+ jz restore_all
+ call preempt_schedule_irq
+ jmp need_resched
+-END(resume_kernel)
++ENDPROC(resume_kernel)
+ #endif
+ CFI_ENDPROC
+ /*
+@@ -391,28 +548,43 @@ sysenter_past_esp:
+ /*CFI_REL_OFFSET cs, 0*/
+ /*
+ * Push current_thread_info()->sysenter_return to the stack.
+- * A tiny bit of offset fixup is necessary - 4*4 means the 4 words
+- * pushed above; +8 corresponds to copy_thread's esp0 setting.
+ */
+- pushl_cfi ((TI_sysenter_return)-THREAD_SIZE+8+4*4)(%esp)
++ pushl_cfi $0
+ CFI_REL_OFFSET eip, 0
+
+ pushl_cfi %eax
+ SAVE_ALL
++ GET_THREAD_INFO(%ebp)
++ movl TI_sysenter_return(%ebp),%ebp
++ movl %ebp,PT_EIP(%esp)
+ ENABLE_INTERRUPTS(CLBR_NONE)
+
+ /*
+ * Load the potential sixth argument from user stack.
+ * Careful about security.
+ */
++ movl PT_OLDESP(%esp),%ebp
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ mov PT_OLDSS(%esp),%ds
++1: movl %ds:(%ebp),%ebp
++ push %ss
++ pop %ds
++#else
+ cmpl $__PAGE_OFFSET-3,%ebp
+ jae syscall_fault
+ 1: movl (%ebp),%ebp
++#endif
++
+ movl %ebp,PT_EBP(%esp)
+ _ASM_EXTABLE(1b,syscall_fault)
+
+ GET_THREAD_INFO(%ebp)
+
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
+ jnz sysenter_audit
+ sysenter_do_call:
+@@ -427,12 +599,24 @@ sysenter_do_call:
+ testl $_TIF_ALLWORK_MASK, %ecx
+ jne sysexit_audit
+ sysenter_exit:
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pushl_cfi %eax
++ movl %esp, %eax
++ call pax_randomize_kstack
++ popl_cfi %eax
++#endif
++
++ pax_erase_kstack
++
+ /* if something modifies registers it must also disable sysexit */
+ movl PT_EIP(%esp), %edx
+ movl PT_OLDESP(%esp), %ecx
+ xorl %ebp,%ebp
+ TRACE_IRQS_ON
+ 1: mov PT_FS(%esp), %fs
++2: mov PT_DS(%esp), %ds
++3: mov PT_ES(%esp), %es
+ PTGS_TO_GS
+ ENABLE_INTERRUPTS_SYSEXIT
+
+@@ -449,6 +633,9 @@ sysenter_audit:
+ movl %eax,%edx /* 2nd arg: syscall number */
+ movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */
+ call __audit_syscall_entry
++
++ pax_erase_kstack
++
+ pushl_cfi %ebx
+ movl PT_EAX(%esp),%eax /* reload syscall number */
+ jmp sysenter_do_call
+@@ -474,10 +661,16 @@ sysexit_audit:
+
+ CFI_ENDPROC
+ .pushsection .fixup,"ax"
+-2: movl $0,PT_FS(%esp)
++4: movl $0,PT_FS(%esp)
++ jmp 1b
++5: movl $0,PT_DS(%esp)
++ jmp 1b
++6: movl $0,PT_ES(%esp)
+ jmp 1b
+ .popsection
+- _ASM_EXTABLE(1b,2b)
++ _ASM_EXTABLE(1b,4b)
++ _ASM_EXTABLE(2b,5b)
++ _ASM_EXTABLE(3b,6b)
+ PTGS_TO_GS_EX
+ ENDPROC(ia32_sysenter_target)
+
+@@ -491,6 +684,11 @@ ENTRY(system_call)
+ pushl_cfi %eax # save orig_eax
+ SAVE_ALL
+ GET_THREAD_INFO(%ebp)
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
+ # system call tracing in operation / emulation
+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
+ jnz syscall_trace_entry
+@@ -509,6 +707,15 @@ syscall_exit:
+ testl $_TIF_ALLWORK_MASK, %ecx # current->work
+ jne syscall_exit_work
+
++restore_all_pax:
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ movl %esp, %eax
++ call pax_randomize_kstack
++#endif
++
++ pax_erase_kstack
++
+ restore_all:
+ TRACE_IRQS_IRET
+ restore_all_notrace:
+@@ -565,14 +772,34 @@ ldt_ss:
+ * compensating for the offset by changing to the ESPFIX segment with
+ * a base address that matches for the difference.
+ */
+-#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8)
++#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx)
+ mov %esp, %edx /* load kernel esp */
+ mov PT_OLDESP(%esp), %eax /* load userspace esp */
+ mov %dx, %ax /* eax: new kernel esp */
+ sub %eax, %edx /* offset (low word is 0) */
++#ifdef CONFIG_SMP
++ movl PER_CPU_VAR(cpu_number), %ebx
++ shll $PAGE_SHIFT_asm, %ebx
++ addl $cpu_gdt_table, %ebx
++#else
++ movl $cpu_gdt_table, %ebx
++#endif
+ shr $16, %edx
+- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */
+- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ mov %cr0, %esi
++ btr $16, %esi
++ mov %esi, %cr0
++#endif
++
++ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */
++ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ bts $16, %esi
++ mov %esi, %cr0
++#endif
++
+ pushl_cfi $__ESPFIX_SS
+ pushl_cfi %eax /* new kernel esp */
+ /* Disable interrupts, but do not irqtrace this section: we
+@@ -601,35 +828,23 @@ work_resched:
+ movl TI_flags(%ebp), %ecx
+ andl $_TIF_WORK_MASK, %ecx # is there any work to be done other
+ # than syscall tracing?
+- jz restore_all
++ jz restore_all_pax
+ testb $_TIF_NEED_RESCHED, %cl
+ jnz work_resched
+
+ work_notifysig: # deal with pending signals and
+ # notify-resume requests
++ movl %esp, %eax
+ #ifdef CONFIG_VM86
+ testl $X86_EFLAGS_VM, PT_EFLAGS(%esp)
+- movl %esp, %eax
+- jne work_notifysig_v86 # returning to kernel-space or
++ jz 1f # returning to kernel-space or
+ # vm86-space
+- TRACE_IRQS_ON
+- ENABLE_INTERRUPTS(CLBR_NONE)
+- movb PT_CS(%esp), %bl
+- andb $SEGMENT_RPL_MASK, %bl
+- cmpb $USER_RPL, %bl
+- jb resume_kernel
+- xorl %edx, %edx
+- call do_notify_resume
+- jmp resume_userspace
+
+- ALIGN
+-work_notifysig_v86:
+ pushl_cfi %ecx # save ti_flags for do_notify_resume
+ call save_v86_state # %eax contains pt_regs pointer
+ popl_cfi %ecx
+ movl %eax, %esp
+-#else
+- movl %esp, %eax
++1:
+ #endif
+ TRACE_IRQS_ON
+ ENABLE_INTERRUPTS(CLBR_NONE)
+@@ -640,7 +855,7 @@ work_notifysig_v86:
+ xorl %edx, %edx
+ call do_notify_resume
+ jmp resume_userspace
+-END(work_pending)
++ENDPROC(work_pending)
+
+ # perform syscall exit tracing
+ ALIGN
+@@ -648,11 +863,14 @@ syscall_trace_entry:
+ movl $-ENOSYS,PT_EAX(%esp)
+ movl %esp, %eax
+ call syscall_trace_enter
++
++ pax_erase_kstack
++
+ /* What it returned is what we'll actually use. */
+ cmpl $(NR_syscalls), %eax
+ jnae syscall_call
+ jmp syscall_exit
+-END(syscall_trace_entry)
++ENDPROC(syscall_trace_entry)
+
+ # perform syscall exit tracing
+ ALIGN
+@@ -665,20 +883,24 @@ syscall_exit_work:
+ movl %esp, %eax
+ call syscall_trace_leave
+ jmp resume_userspace
+-END(syscall_exit_work)
++ENDPROC(syscall_exit_work)
+ CFI_ENDPROC
+
+ RING0_INT_FRAME # can't unwind into user space anyway
+ syscall_fault:
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ push %ss
++ pop %ds
++#endif
+ GET_THREAD_INFO(%ebp)
+ movl $-EFAULT,PT_EAX(%esp)
+ jmp resume_userspace
+-END(syscall_fault)
++ENDPROC(syscall_fault)
+
+ syscall_badsys:
+ movl $-ENOSYS,PT_EAX(%esp)
+ jmp resume_userspace
+-END(syscall_badsys)
++ENDPROC(syscall_badsys)
+ CFI_ENDPROC
+ /*
+ * End of kprobes section
+@@ -750,6 +972,36 @@ ENTRY(ptregs_clone)
+ CFI_ENDPROC
+ ENDPROC(ptregs_clone)
+
++ ALIGN;
++ENTRY(kernel_execve)
++ CFI_STARTPROC
++ pushl_cfi %ebp
++ sub $PT_OLDSS+4,%esp
++ pushl_cfi %edi
++ pushl_cfi %ecx
++ pushl_cfi %eax
++ lea 3*4(%esp),%edi
++ mov $PT_OLDSS/4+1,%ecx
++ xorl %eax,%eax
++ rep stosl
++ popl_cfi %eax
++ popl_cfi %ecx
++ popl_cfi %edi
++ movl $X86_EFLAGS_IF,PT_EFLAGS(%esp)
++ pushl_cfi %esp
++ call sys_execve
++ add $4,%esp
++ CFI_ADJUST_CFA_OFFSET -4
++ GET_THREAD_INFO(%ebp)
++ test %eax,%eax
++ jz syscall_exit
++ add $PT_OLDSS+4,%esp
++ CFI_ADJUST_CFA_OFFSET -PT_OLDSS-4
++ popl_cfi %ebp
++ ret
++ CFI_ENDPROC
++ENDPROC(kernel_execve)
++
+ .macro FIXUP_ESPFIX_STACK
+ /*
+ * Switch back for ESPFIX stack to the normal zerobased stack
+@@ -759,8 +1011,15 @@ ENDPROC(ptregs_clone)
+ * normal stack and adjusts ESP with the matching offset.
+ */
+ /* fixup the stack */
+- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */
+- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */
++#ifdef CONFIG_SMP
++ movl PER_CPU_VAR(cpu_number), %ebx
++ shll $PAGE_SHIFT_asm, %ebx
++ addl $cpu_gdt_table, %ebx
++#else
++ movl $cpu_gdt_table, %ebx
++#endif
++ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */
++ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */
+ shl $16, %eax
+ addl %esp, %eax /* the adjusted stack pointer */
+ pushl_cfi $__KERNEL_DS
+@@ -813,7 +1072,7 @@ vector=vector+1
+ .endr
+ 2: jmp common_interrupt
+ .endr
+-END(irq_entries_start)
++ENDPROC(irq_entries_start)
+
+ .previous
+ END(interrupt)
+@@ -861,7 +1120,7 @@ ENTRY(coprocessor_error)
+ pushl_cfi $do_coprocessor_error
+ jmp error_code
+ CFI_ENDPROC
+-END(coprocessor_error)
++ENDPROC(coprocessor_error)
+
+ ENTRY(simd_coprocessor_error)
+ RING0_INT_FRAME
+@@ -882,7 +1141,7 @@ ENTRY(simd_coprocessor_error)
+ #endif
+ jmp error_code
+ CFI_ENDPROC
+-END(simd_coprocessor_error)
++ENDPROC(simd_coprocessor_error)
+
+ ENTRY(device_not_available)
+ RING0_INT_FRAME
+@@ -890,18 +1149,18 @@ ENTRY(device_not_available)
+ pushl_cfi $do_device_not_available
+ jmp error_code
+ CFI_ENDPROC
+-END(device_not_available)
++ENDPROC(device_not_available)
+
+ #ifdef CONFIG_PARAVIRT
+ ENTRY(native_iret)
+ iret
+ _ASM_EXTABLE(native_iret, iret_exc)
+-END(native_iret)
++ENDPROC(native_iret)
+
+ ENTRY(native_irq_enable_sysexit)
+ sti
+ sysexit
+-END(native_irq_enable_sysexit)
++ENDPROC(native_irq_enable_sysexit)
+ #endif
+
+ ENTRY(overflow)
+@@ -910,7 +1169,7 @@ ENTRY(overflow)
+ pushl_cfi $do_overflow
+ jmp error_code
+ CFI_ENDPROC
+-END(overflow)
++ENDPROC(overflow)
+
+ ENTRY(bounds)
+ RING0_INT_FRAME
+@@ -918,7 +1177,7 @@ ENTRY(bounds)
+ pushl_cfi $do_bounds
+ jmp error_code
+ CFI_ENDPROC
+-END(bounds)
++ENDPROC(bounds)
+
+ ENTRY(invalid_op)
+ RING0_INT_FRAME
+@@ -926,7 +1185,7 @@ ENTRY(invalid_op)
+ pushl_cfi $do_invalid_op
+ jmp error_code
+ CFI_ENDPROC
+-END(invalid_op)
++ENDPROC(invalid_op)
+
+ ENTRY(coprocessor_segment_overrun)
+ RING0_INT_FRAME
+@@ -934,35 +1193,35 @@ ENTRY(coprocessor_segment_overrun)
+ pushl_cfi $do_coprocessor_segment_overrun
+ jmp error_code
+ CFI_ENDPROC
+-END(coprocessor_segment_overrun)
++ENDPROC(coprocessor_segment_overrun)
+
+ ENTRY(invalid_TSS)
+ RING0_EC_FRAME
+ pushl_cfi $do_invalid_TSS
+ jmp error_code
+ CFI_ENDPROC
+-END(invalid_TSS)
++ENDPROC(invalid_TSS)
+
+ ENTRY(segment_not_present)
+ RING0_EC_FRAME
+ pushl_cfi $do_segment_not_present
+ jmp error_code
+ CFI_ENDPROC
+-END(segment_not_present)
++ENDPROC(segment_not_present)
+
+ ENTRY(stack_segment)
+ RING0_EC_FRAME
+ pushl_cfi $do_stack_segment
+ jmp error_code
+ CFI_ENDPROC
+-END(stack_segment)
++ENDPROC(stack_segment)
+
+ ENTRY(alignment_check)
+ RING0_EC_FRAME
+ pushl_cfi $do_alignment_check
+ jmp error_code
+ CFI_ENDPROC
+-END(alignment_check)
++ENDPROC(alignment_check)
+
+ ENTRY(divide_error)
+ RING0_INT_FRAME
+@@ -970,7 +1229,7 @@ ENTRY(divide_error)
+ pushl_cfi $do_divide_error
+ jmp error_code
+ CFI_ENDPROC
+-END(divide_error)
++ENDPROC(divide_error)
+
+ #ifdef CONFIG_X86_MCE
+ ENTRY(machine_check)
+@@ -979,7 +1238,7 @@ ENTRY(machine_check)
+ pushl_cfi machine_check_vector
+ jmp error_code
+ CFI_ENDPROC
+-END(machine_check)
++ENDPROC(machine_check)
+ #endif
+
+ ENTRY(spurious_interrupt_bug)
+@@ -988,7 +1247,7 @@ ENTRY(spurious_interrupt_bug)
+ pushl_cfi $do_spurious_interrupt_bug
+ jmp error_code
+ CFI_ENDPROC
+-END(spurious_interrupt_bug)
++ENDPROC(spurious_interrupt_bug)
+ /*
+ * End of kprobes section
+ */
+@@ -1102,7 +1361,7 @@ BUILD_INTERRUPT3(xen_hvm_callback_vector, XEN_HVM_EVTCHN_CALLBACK,
+
+ ENTRY(mcount)
+ ret
+-END(mcount)
++ENDPROC(mcount)
+
+ ENTRY(ftrace_caller)
+ cmpl $0, function_trace_stop
+@@ -1131,7 +1390,7 @@ ftrace_graph_call:
+ .globl ftrace_stub
+ ftrace_stub:
+ ret
+-END(ftrace_caller)
++ENDPROC(ftrace_caller)
+
+ #else /* ! CONFIG_DYNAMIC_FTRACE */
+
+@@ -1167,7 +1426,7 @@ trace:
+ popl %ecx
+ popl %eax
+ jmp ftrace_stub
+-END(mcount)
++ENDPROC(mcount)
+ #endif /* CONFIG_DYNAMIC_FTRACE */
+ #endif /* CONFIG_FUNCTION_TRACER */
+
+@@ -1188,7 +1447,7 @@ ENTRY(ftrace_graph_caller)
+ popl %ecx
+ popl %eax
+ ret
+-END(ftrace_graph_caller)
++ENDPROC(ftrace_graph_caller)
+
+ .globl return_to_handler
+ return_to_handler:
+@@ -1243,15 +1502,18 @@ error_code:
+ movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart
+ REG_TO_PTGS %ecx
+ SET_KERNEL_GS %ecx
+- movl $(__USER_DS), %ecx
++ movl $(__KERNEL_DS), %ecx
+ movl %ecx, %ds
+ movl %ecx, %es
++
++ pax_enter_kernel
++
+ TRACE_IRQS_OFF
+ movl %esp,%eax # pt_regs pointer
+ call *%edi
+ jmp ret_from_exception
+ CFI_ENDPROC
+-END(page_fault)
++ENDPROC(page_fault)
+
+ /*
+ * Debug traps and NMI can happen at the one SYSENTER instruction
+@@ -1293,7 +1555,7 @@ debug_stack_correct:
+ call do_debug
+ jmp ret_from_exception
+ CFI_ENDPROC
+-END(debug)
++ENDPROC(debug)
+
+ /*
+ * NMI is doubly nasty. It can happen _while_ we're handling
+@@ -1330,6 +1592,9 @@ nmi_stack_correct:
+ xorl %edx,%edx # zero error code
+ movl %esp,%eax # pt_regs pointer
+ call do_nmi
++
++ pax_exit_kernel
++
+ jmp restore_all_notrace
+ CFI_ENDPROC
+
+@@ -1366,12 +1631,15 @@ nmi_espfix_stack:
+ FIXUP_ESPFIX_STACK # %eax == %esp
+ xorl %edx,%edx # zero error code
+ call do_nmi
++
++ pax_exit_kernel
++
+ RESTORE_REGS
+ lss 12+4(%esp), %esp # back to espfix stack
+ CFI_ADJUST_CFA_OFFSET -24
+ jmp irq_return
+ CFI_ENDPROC
+-END(nmi)
++ENDPROC(nmi)
+
+ ENTRY(int3)
+ RING0_INT_FRAME
+@@ -1383,14 +1651,14 @@ ENTRY(int3)
+ call do_int3
+ jmp ret_from_exception
+ CFI_ENDPROC
+-END(int3)
++ENDPROC(int3)
+
+ ENTRY(general_protection)
+ RING0_EC_FRAME
+ pushl_cfi $do_general_protection
+ jmp error_code
+ CFI_ENDPROC
+-END(general_protection)
++ENDPROC(general_protection)
+
+ #ifdef CONFIG_KVM_GUEST
+ ENTRY(async_page_fault)
+@@ -1398,7 +1666,7 @@ ENTRY(async_page_fault)
+ pushl_cfi $do_async_page_fault
+ jmp error_code
+ CFI_ENDPROC
+-END(async_page_fault)
++ENDPROC(async_page_fault)
+ #endif
+
+ /*
+diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
+index dcdd0ea..de0bb2d 100644
+--- a/arch/x86/kernel/entry_64.S
++++ b/arch/x86/kernel/entry_64.S
+@@ -57,6 +57,8 @@
+ #include <asm/percpu.h>
+ #include <asm/asm.h>
+ #include <linux/err.h>
++#include <asm/pgtable.h>
++#include <asm/alternative-asm.h>
+
+ /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
+ #include <linux/elf-em.h>
+@@ -70,8 +72,9 @@
+ #ifdef CONFIG_FUNCTION_TRACER
+ #ifdef CONFIG_DYNAMIC_FTRACE
+ ENTRY(mcount)
++ pax_force_retaddr
+ retq
+-END(mcount)
++ENDPROC(mcount)
+
+ ENTRY(ftrace_caller)
+ cmpl $0, function_trace_stop
+@@ -94,8 +97,9 @@ GLOBAL(ftrace_graph_call)
+ #endif
+
+ GLOBAL(ftrace_stub)
++ pax_force_retaddr
+ retq
+-END(ftrace_caller)
++ENDPROC(ftrace_caller)
+
+ #else /* ! CONFIG_DYNAMIC_FTRACE */
+ ENTRY(mcount)
+@@ -114,6 +118,7 @@ ENTRY(mcount)
+ #endif
+
+ GLOBAL(ftrace_stub)
++ pax_force_retaddr
+ retq
+
+ trace:
+@@ -123,12 +128,13 @@ trace:
+ movq 8(%rbp), %rsi
+ subq $MCOUNT_INSN_SIZE, %rdi
+
++ pax_force_fptr ftrace_trace_function
+ call *ftrace_trace_function
+
+ MCOUNT_RESTORE_FRAME
+
+ jmp ftrace_stub
+-END(mcount)
++ENDPROC(mcount)
+ #endif /* CONFIG_DYNAMIC_FTRACE */
+ #endif /* CONFIG_FUNCTION_TRACER */
+
+@@ -148,8 +154,9 @@ ENTRY(ftrace_graph_caller)
+
+ MCOUNT_RESTORE_FRAME
+
++ pax_force_retaddr
+ retq
+-END(ftrace_graph_caller)
++ENDPROC(ftrace_graph_caller)
+
+ GLOBAL(return_to_handler)
+ subq $24, %rsp
+@@ -165,6 +172,7 @@ GLOBAL(return_to_handler)
+ movq 8(%rsp), %rdx
+ movq (%rsp), %rax
+ addq $24, %rsp
++ pax_force_fptr %rdi
+ jmp *%rdi
+ #endif
+
+@@ -180,6 +188,280 @@ ENTRY(native_usergs_sysret64)
+ ENDPROC(native_usergs_sysret64)
+ #endif /* CONFIG_PARAVIRT */
+
++ .macro ljmpq sel, off
++#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM)
++ .byte 0x48; ljmp *1234f(%rip)
++ .pushsection .rodata
++ .align 16
++ 1234: .quad \off; .word \sel
++ .popsection
++#else
++ pushq $\sel
++ pushq $\off
++ lretq
++#endif
++ .endm
++
++ .macro pax_enter_kernel
++ pax_set_fptr_mask
++#ifdef CONFIG_PAX_KERNEXEC
++ call pax_enter_kernel
++#endif
++ .endm
++
++ .macro pax_exit_kernel
++#ifdef CONFIG_PAX_KERNEXEC
++ call pax_exit_kernel
++#endif
++ .endm
++
++#ifdef CONFIG_PAX_KERNEXEC
++ENTRY(pax_enter_kernel)
++ pushq %rdi
++
++#ifdef CONFIG_PARAVIRT
++ PV_SAVE_REGS(CLBR_RDI)
++#endif
++
++ GET_CR0_INTO_RDI
++ bts $16,%rdi
++ jnc 3f
++ mov %cs,%edi
++ cmp $__KERNEL_CS,%edi
++ jnz 2f
++1:
++
++#ifdef CONFIG_PARAVIRT
++ PV_RESTORE_REGS(CLBR_RDI)
++#endif
++
++ popq %rdi
++ pax_force_retaddr
++ retq
++
++2: ljmpq __KERNEL_CS,1f
++3: ljmpq __KERNEXEC_KERNEL_CS,4f
++4: SET_RDI_INTO_CR0
++ jmp 1b
++ENDPROC(pax_enter_kernel)
++
++ENTRY(pax_exit_kernel)
++ pushq %rdi
++
++#ifdef CONFIG_PARAVIRT
++ PV_SAVE_REGS(CLBR_RDI)
++#endif
++
++ mov %cs,%rdi
++ cmp $__KERNEXEC_KERNEL_CS,%edi
++ jz 2f
++1:
++
++#ifdef CONFIG_PARAVIRT
++ PV_RESTORE_REGS(CLBR_RDI);
++#endif
++
++ popq %rdi
++ pax_force_retaddr
++ retq
++
++2: GET_CR0_INTO_RDI
++ btr $16,%rdi
++ ljmpq __KERNEL_CS,3f
++3: SET_RDI_INTO_CR0
++ jmp 1b
++#ifdef CONFIG_PARAVIRT
++ PV_RESTORE_REGS(CLBR_RDI);
++#endif
++
++ popq %rdi
++ pax_force_retaddr
++ retq
++ENDPROC(pax_exit_kernel)
++#endif
++
++ .macro pax_enter_kernel_user
++ pax_set_fptr_mask
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ call pax_enter_kernel_user
++#endif
++ .endm
++
++ .macro pax_exit_kernel_user
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ call pax_exit_kernel_user
++#endif
++#ifdef CONFIG_PAX_RANDKSTACK
++ pushq %rax
++ call pax_randomize_kstack
++ popq %rax
++#endif
++ .endm
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ENTRY(pax_enter_kernel_user)
++ pushq %rdi
++ pushq %rbx
++
++#ifdef CONFIG_PARAVIRT
++ PV_SAVE_REGS(CLBR_RDI)
++#endif
++
++ GET_CR3_INTO_RDI
++ mov %rdi,%rbx
++ add $__START_KERNEL_map,%rbx
++ sub phys_base(%rip),%rbx
++
++#ifdef CONFIG_PARAVIRT
++ pushq %rdi
++ cmpl $0, pv_info+PARAVIRT_enabled
++ jz 1f
++ i = 0
++ .rept USER_PGD_PTRS
++ mov i*8(%rbx),%rsi
++ mov $0,%sil
++ lea i*8(%rbx),%rdi
++ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
++ i = i + 1
++ .endr
++ jmp 2f
++1:
++#endif
++
++ i = 0
++ .rept USER_PGD_PTRS
++ movb $0,i*8(%rbx)
++ i = i + 1
++ .endr
++
++#ifdef CONFIG_PARAVIRT
++2: popq %rdi
++#endif
++ SET_RDI_INTO_CR3
++
++#ifdef CONFIG_PAX_KERNEXEC
++ GET_CR0_INTO_RDI
++ bts $16,%rdi
++ SET_RDI_INTO_CR0
++#endif
++
++#ifdef CONFIG_PARAVIRT
++ PV_RESTORE_REGS(CLBR_RDI)
++#endif
++
++ popq %rbx
++ popq %rdi
++ pax_force_retaddr
++ retq
++ENDPROC(pax_enter_kernel_user)
++
++ENTRY(pax_exit_kernel_user)
++ push %rdi
++
++#ifdef CONFIG_PARAVIRT
++ pushq %rbx
++ PV_SAVE_REGS(CLBR_RDI)
++#endif
++
++#ifdef CONFIG_PAX_KERNEXEC
++ GET_CR0_INTO_RDI
++ btr $16,%rdi
++ SET_RDI_INTO_CR0
++#endif
++
++ GET_CR3_INTO_RDI
++ add $__START_KERNEL_map,%rdi
++ sub phys_base(%rip),%rdi
++
++#ifdef CONFIG_PARAVIRT
++ cmpl $0, pv_info+PARAVIRT_enabled
++ jz 1f
++ mov %rdi,%rbx
++ i = 0
++ .rept USER_PGD_PTRS
++ mov i*8(%rbx),%rsi
++ mov $0x67,%sil
++ lea i*8(%rbx),%rdi
++ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
++ i = i + 1
++ .endr
++ jmp 2f
++1:
++#endif
++
++ i = 0
++ .rept USER_PGD_PTRS
++ movb $0x67,i*8(%rdi)
++ i = i + 1
++ .endr
++
++#ifdef CONFIG_PARAVIRT
++2: PV_RESTORE_REGS(CLBR_RDI)
++ popq %rbx
++#endif
++
++ popq %rdi
++ pax_force_retaddr
++ retq
++ENDPROC(pax_exit_kernel_user)
++#endif
++
++.macro pax_erase_kstack
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++ call pax_erase_kstack
++#endif
++.endm
++
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++ENTRY(pax_erase_kstack)
++ pushq %rdi
++ pushq %rcx
++ pushq %rax
++ pushq %r11
++
++ GET_THREAD_INFO(%r11)
++ mov TI_lowest_stack(%r11), %rdi
++ mov $-0xBEEF, %rax
++ std
++
++1: mov %edi, %ecx
++ and $THREAD_SIZE_asm - 1, %ecx
++ shr $3, %ecx
++ repne scasq
++ jecxz 2f
++
++ cmp $2*8, %ecx
++ jc 2f
++
++ mov $2*8, %ecx
++ repe scasq
++ jecxz 2f
++ jne 1b
++
++2: cld
++ mov %esp, %ecx
++ sub %edi, %ecx
++
++ cmp $THREAD_SIZE_asm, %rcx
++ jb 3f
++ ud2
++3:
++
++ shr $3, %ecx
++ rep stosq
++
++ mov TI_task_thread_sp0(%r11), %rdi
++ sub $256, %rdi
++ mov %rdi, TI_lowest_stack(%r11)
++
++ popq %r11
++ popq %rax
++ popq %rcx
++ popq %rdi
++ pax_force_retaddr
++ ret
++ENDPROC(pax_erase_kstack)
++#endif
+
+ .macro TRACE_IRQS_IRETQ offset=ARGOFFSET
+ #ifdef CONFIG_TRACE_IRQFLAGS
+@@ -271,8 +553,8 @@ ENDPROC(native_usergs_sysret64)
+ .endm
+
+ .macro UNFAKE_STACK_FRAME
+- addq $8*6, %rsp
+- CFI_ADJUST_CFA_OFFSET -(6*8)
++ addq $8*6 + ARG_SKIP, %rsp
++ CFI_ADJUST_CFA_OFFSET -(6*8 + ARG_SKIP)
+ .endm
+
+ /*
+@@ -359,7 +641,7 @@ ENDPROC(native_usergs_sysret64)
+ movq %rsp, %rsi
+
+ leaq -RBP(%rsp),%rdi /* arg1 for handler */
+- testl $3, CS-RBP(%rsi)
++ testb $3, CS-RBP(%rsi)
+ je 1f
+ SWAPGS
+ /*
+@@ -394,9 +676,10 @@ ENTRY(save_rest)
+ movq_cfi r15, R15+16
+ movq %r11, 8(%rsp) /* return address */
+ FIXUP_TOP_OF_STACK %r11, 16
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-END(save_rest)
++ENDPROC(save_rest)
+
+ /* save complete stack frame */
+ .pushsection .kprobes.text, "ax"
+@@ -425,9 +708,10 @@ ENTRY(save_paranoid)
+ js 1f /* negative -> in kernel */
+ SWAPGS
+ xorl %ebx,%ebx
+-1: ret
++1: pax_force_retaddr_bts
++ ret
+ CFI_ENDPROC
+-END(save_paranoid)
++ENDPROC(save_paranoid)
+ .popsection
+
+ /*
+@@ -449,7 +733,7 @@ ENTRY(ret_from_fork)
+
+ RESTORE_REST
+
+- testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
++ testb $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
+ jz retint_restore_args
+
+ testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET
+@@ -459,7 +743,7 @@ ENTRY(ret_from_fork)
+ jmp ret_from_sys_call # go to the SYSRET fastpath
+
+ CFI_ENDPROC
+-END(ret_from_fork)
++ENDPROC(ret_from_fork)
+
+ /*
+ * System call entry. Up to 6 arguments in registers are supported.
+@@ -495,7 +779,7 @@ END(ret_from_fork)
+ ENTRY(system_call)
+ CFI_STARTPROC simple
+ CFI_SIGNAL_FRAME
+- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
++ CFI_DEF_CFA rsp,0
+ CFI_REGISTER rip,rcx
+ /*CFI_REGISTER rflags,r11*/
+ SWAPGS_UNSAFE_STACK
+@@ -508,16 +792,23 @@ GLOBAL(system_call_after_swapgs)
+
+ movq %rsp,PER_CPU_VAR(old_rsp)
+ movq PER_CPU_VAR(kernel_stack),%rsp
++ SAVE_ARGS 8*6,0
++ pax_enter_kernel_user
++
++#ifdef CONFIG_PAX_RANDKSTACK
++ pax_erase_kstack
++#endif
++
+ /*
+ * No need to follow this irqs off/on section - it's straight
+ * and short:
+ */
+ ENABLE_INTERRUPTS(CLBR_NONE)
+- SAVE_ARGS 8,0
+ movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
+ movq %rcx,RIP-ARGOFFSET(%rsp)
+ CFI_REL_OFFSET rip,RIP-ARGOFFSET
+- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ GET_THREAD_INFO(%rcx)
++ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx)
+ jnz tracesys
+ system_call_fastpath:
+ #if __SYSCALL_MASK == ~0
+@@ -527,7 +818,7 @@ system_call_fastpath:
+ cmpl $__NR_syscall_max,%eax
+ #endif
+ ja badsys
+- movq %r10,%rcx
++ movq R10-ARGOFFSET(%rsp),%rcx
+ call *sys_call_table(,%rax,8) # XXX: rip relative
+ movq %rax,RAX-ARGOFFSET(%rsp)
+ /*
+@@ -541,10 +832,13 @@ sysret_check:
+ LOCKDEP_SYS_EXIT
+ DISABLE_INTERRUPTS(CLBR_NONE)
+ TRACE_IRQS_OFF
+- movl TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET),%edx
++ GET_THREAD_INFO(%rcx)
++ movl TI_flags(%rcx),%edx
+ andl %edi,%edx
+ jnz sysret_careful
+ CFI_REMEMBER_STATE
++ pax_exit_kernel_user
++ pax_erase_kstack
+ /*
+ * sysretq will re-enable interrupts:
+ */
+@@ -596,14 +890,18 @@ badsys:
+ * jump back to the normal fast path.
+ */
+ auditsys:
+- movq %r10,%r9 /* 6th arg: 4th syscall arg */
++ movq R10-ARGOFFSET(%rsp),%r9 /* 6th arg: 4th syscall arg */
+ movq %rdx,%r8 /* 5th arg: 3rd syscall arg */
+ movq %rsi,%rcx /* 4th arg: 2nd syscall arg */
+ movq %rdi,%rdx /* 3rd arg: 1st syscall arg */
+ movq %rax,%rsi /* 2nd arg: syscall number */
+ movl $AUDIT_ARCH_X86_64,%edi /* 1st arg: audit arch */
+ call __audit_syscall_entry
++
++ pax_erase_kstack
++
+ LOAD_ARGS 0 /* reload call-clobbered registers */
++ pax_set_fptr_mask
+ jmp system_call_fastpath
+
+ /*
+@@ -624,7 +922,7 @@ sysret_audit:
+ /* Do syscall tracing */
+ tracesys:
+ #ifdef CONFIG_AUDITSYSCALL
+- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
++ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%rcx)
+ jz auditsys
+ #endif
+ SAVE_REST
+@@ -632,12 +930,16 @@ tracesys:
+ FIXUP_TOP_OF_STACK %rdi
+ movq %rsp,%rdi
+ call syscall_trace_enter
++
++ pax_erase_kstack
++
+ /*
+ * Reload arg registers from stack in case ptrace changed them.
+ * We don't reload %rax because syscall_trace_enter() returned
+ * the value it wants us to use in the table lookup.
+ */
+ LOAD_ARGS ARGOFFSET, 1
++ pax_set_fptr_mask
+ RESTORE_REST
+ #if __SYSCALL_MASK == ~0
+ cmpq $__NR_syscall_max,%rax
+@@ -646,7 +948,7 @@ tracesys:
+ cmpl $__NR_syscall_max,%eax
+ #endif
+ ja int_ret_from_sys_call /* RAX(%rsp) set to -ENOSYS above */
+- movq %r10,%rcx /* fixup for C */
++ movq R10-ARGOFFSET(%rsp),%rcx /* fixup for C */
+ call *sys_call_table(,%rax,8)
+ movq %rax,RAX-ARGOFFSET(%rsp)
+ /* Use IRET because user could have changed frame */
+@@ -667,7 +969,9 @@ GLOBAL(int_with_check)
+ andl %edi,%edx
+ jnz int_careful
+ andl $~TS_COMPAT,TI_status(%rcx)
+- jmp retint_swapgs
++ pax_exit_kernel_user
++ pax_erase_kstack
++ jmp retint_swapgs_pax
+
+ /* Either reschedule or signal or syscall exit tracking needed. */
+ /* First do a reschedule test. */
+@@ -713,7 +1017,7 @@ int_restore_rest:
+ TRACE_IRQS_OFF
+ jmp int_with_check
+ CFI_ENDPROC
+-END(system_call)
++ENDPROC(system_call)
+
+ /*
+ * Certain special system calls that need to save a complete full stack frame.
+@@ -729,7 +1033,7 @@ ENTRY(\label)
+ call \func
+ jmp ptregscall_common
+ CFI_ENDPROC
+-END(\label)
++ENDPROC(\label)
+ .endm
+
+ PTREGSCALL stub_clone, sys_clone, %r8
+@@ -747,9 +1051,10 @@ ENTRY(ptregscall_common)
+ movq_cfi_restore R12+8, r12
+ movq_cfi_restore RBP+8, rbp
+ movq_cfi_restore RBX+8, rbx
++ pax_force_retaddr
+ ret $REST_SKIP /* pop extended registers */
+ CFI_ENDPROC
+-END(ptregscall_common)
++ENDPROC(ptregscall_common)
+
+ ENTRY(stub_execve)
+ CFI_STARTPROC
+@@ -764,7 +1069,7 @@ ENTRY(stub_execve)
+ RESTORE_REST
+ jmp int_ret_from_sys_call
+ CFI_ENDPROC
+-END(stub_execve)
++ENDPROC(stub_execve)
+
+ /*
+ * sigreturn is special because it needs to restore all registers on return.
+@@ -782,7 +1087,7 @@ ENTRY(stub_rt_sigreturn)
+ RESTORE_REST
+ jmp int_ret_from_sys_call
+ CFI_ENDPROC
+-END(stub_rt_sigreturn)
++ENDPROC(stub_rt_sigreturn)
+
+ #ifdef CONFIG_X86_X32_ABI
+ PTREGSCALL stub_x32_sigaltstack, sys32_sigaltstack, %rdx
+@@ -851,7 +1156,7 @@ vector=vector+1
+ 2: jmp common_interrupt
+ .endr
+ CFI_ENDPROC
+-END(irq_entries_start)
++ENDPROC(irq_entries_start)
+
+ .previous
+ END(interrupt)
+@@ -871,6 +1176,16 @@ END(interrupt)
+ subq $ORIG_RAX-RBP, %rsp
+ CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP
+ SAVE_ARGS_IRQ
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rdi)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ call \func
+ .endm
+
+@@ -902,7 +1217,7 @@ ret_from_intr:
+
+ exit_intr:
+ GET_THREAD_INFO(%rcx)
+- testl $3,CS-ARGOFFSET(%rsp)
++ testb $3,CS-ARGOFFSET(%rsp)
+ je retint_kernel
+
+ /* Interrupt came from user space */
+@@ -924,12 +1239,16 @@ retint_swapgs: /* return to user-space */
+ * The iretq could re-enable interrupts:
+ */
+ DISABLE_INTERRUPTS(CLBR_ANY)
++ pax_exit_kernel_user
++retint_swapgs_pax:
+ TRACE_IRQS_IRETQ
+ SWAPGS
+ jmp restore_args
+
+ retint_restore_args: /* return to kernel space */
+ DISABLE_INTERRUPTS(CLBR_ANY)
++ pax_exit_kernel
++ pax_force_retaddr RIP-ARGOFFSET
+ /*
+ * The iretq could re-enable interrupts:
+ */
+@@ -1012,7 +1331,7 @@ ENTRY(retint_kernel)
+ #endif
+
+ CFI_ENDPROC
+-END(common_interrupt)
++ENDPROC(common_interrupt)
+ /*
+ * End of kprobes section
+ */
+@@ -1029,7 +1348,7 @@ ENTRY(\sym)
+ interrupt \do_sym
+ jmp ret_from_intr
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+ #ifdef CONFIG_SMP
+@@ -1084,12 +1403,22 @@ ENTRY(\sym)
+ CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
+ call error_entry
+ DEFAULT_FRAME 0
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ movq %rsp,%rdi /* pt_regs pointer */
+ xorl %esi,%esi /* no error code */
+ call \do_sym
+ jmp error_exit /* %ebx: no swapgs flag */
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+ .macro paranoidzeroentry sym do_sym
+@@ -1101,15 +1430,25 @@ ENTRY(\sym)
+ CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
+ call save_paranoid
+ TRACE_IRQS_OFF
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ movq %rsp,%rdi /* pt_regs pointer */
+ xorl %esi,%esi /* no error code */
+ call \do_sym
+ jmp paranoid_exit /* %ebx: no swapgs flag */
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+-#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8)
++#define INIT_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r12)
+ .macro paranoidzeroentry_ist sym do_sym ist
+ ENTRY(\sym)
+ INTR_FRAME
+@@ -1119,14 +1458,30 @@ ENTRY(\sym)
+ CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
+ call save_paranoid
+ TRACE_IRQS_OFF_DEBUG
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ movq %rsp,%rdi /* pt_regs pointer */
+ xorl %esi,%esi /* no error code */
++#ifdef CONFIG_SMP
++ imul $TSS_size, PER_CPU_VAR(cpu_number), %r12d
++ lea init_tss(%r12), %r12
++#else
++ lea init_tss(%rip), %r12
++#endif
+ subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist)
+ call \do_sym
+ addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist)
+ jmp paranoid_exit /* %ebx: no swapgs flag */
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+ .macro errorentry sym do_sym
+@@ -1137,13 +1492,23 @@ ENTRY(\sym)
+ CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
+ call error_entry
+ DEFAULT_FRAME 0
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ movq %rsp,%rdi /* pt_regs pointer */
+ movq ORIG_RAX(%rsp),%rsi /* get error code */
+ movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */
+ call \do_sym
+ jmp error_exit /* %ebx: no swapgs flag */
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+ /* error code is on the stack already */
+@@ -1156,13 +1521,23 @@ ENTRY(\sym)
+ call save_paranoid
+ DEFAULT_FRAME 0
+ TRACE_IRQS_OFF
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
+ movq %rsp,%rdi /* pt_regs pointer */
+ movq ORIG_RAX(%rsp),%rsi /* get error code */
+ movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */
+ call \do_sym
+ jmp paranoid_exit /* %ebx: no swapgs flag */
+ CFI_ENDPROC
+-END(\sym)
++ENDPROC(\sym)
+ .endm
+
+ zeroentry divide_error do_divide_error
+@@ -1192,9 +1567,10 @@ gs_change:
+ 2: mfence /* workaround */
+ SWAPGS
+ popfq_cfi
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-END(native_load_gs_index)
++ENDPROC(native_load_gs_index)
+
+ _ASM_EXTABLE(gs_change,bad_gs)
+ .section .fixup,"ax"
+@@ -1213,13 +1589,14 @@ ENTRY(kernel_thread_helper)
+ * Here we are in the child and the registers are set as they were
+ * at kernel_thread() invocation in the parent.
+ */
++ pax_force_fptr %rsi
+ call *%rsi
+ # exit
+ mov %eax, %edi
+ call do_exit
+ ud2 # padding for call trace
+ CFI_ENDPROC
+-END(kernel_thread_helper)
++ENDPROC(kernel_thread_helper)
+
+ /*
+ * execve(). This function needs to use IRET, not SYSRET, to set up all state properly.
+@@ -1246,11 +1623,11 @@ ENTRY(kernel_execve)
+ RESTORE_REST
+ testq %rax,%rax
+ je int_ret_from_sys_call
+- RESTORE_ARGS
+ UNFAKE_STACK_FRAME
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-END(kernel_execve)
++ENDPROC(kernel_execve)
+
+ /* Call softirq on interrupt stack. Interrupts are off. */
+ ENTRY(call_softirq)
+@@ -1268,9 +1645,10 @@ ENTRY(call_softirq)
+ CFI_DEF_CFA_REGISTER rsp
+ CFI_ADJUST_CFA_OFFSET -8
+ decl PER_CPU_VAR(irq_count)
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-END(call_softirq)
++ENDPROC(call_softirq)
+
+ #ifdef CONFIG_XEN
+ zeroentry xen_hypervisor_callback xen_do_hypervisor_callback
+@@ -1308,7 +1686,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs)
+ decl PER_CPU_VAR(irq_count)
+ jmp error_exit
+ CFI_ENDPROC
+-END(xen_do_hypervisor_callback)
++ENDPROC(xen_do_hypervisor_callback)
+
+ /*
+ * Hypervisor uses this for application faults while it executes.
+@@ -1367,7 +1745,7 @@ ENTRY(xen_failsafe_callback)
+ SAVE_ALL
+ jmp error_exit
+ CFI_ENDPROC
+-END(xen_failsafe_callback)
++ENDPROC(xen_failsafe_callback)
+
+ apicinterrupt XEN_HVM_EVTCHN_CALLBACK \
+ xen_hvm_callback_vector xen_evtchn_do_upcall
+@@ -1416,16 +1794,31 @@ ENTRY(paranoid_exit)
+ TRACE_IRQS_OFF_DEBUG
+ testl %ebx,%ebx /* swapgs needed? */
+ jnz paranoid_restore
+- testl $3,CS(%rsp)
++ testb $3,CS(%rsp)
+ jnz paranoid_userspace
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pax_exit_kernel
++ TRACE_IRQS_IRETQ 0
++ SWAPGS_UNSAFE_STACK
++ RESTORE_ALL 8
++ pax_force_retaddr_bts
++ jmp irq_return
++#endif
+ paranoid_swapgs:
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pax_exit_kernel_user
++#else
++ pax_exit_kernel
++#endif
+ TRACE_IRQS_IRETQ 0
+ SWAPGS_UNSAFE_STACK
+ RESTORE_ALL 8
+ jmp irq_return
+ paranoid_restore:
++ pax_exit_kernel
+ TRACE_IRQS_IRETQ_DEBUG 0
+ RESTORE_ALL 8
++ pax_force_retaddr_bts
+ jmp irq_return
+ paranoid_userspace:
+ GET_THREAD_INFO(%rcx)
+@@ -1454,7 +1847,7 @@ paranoid_schedule:
+ TRACE_IRQS_OFF
+ jmp paranoid_userspace
+ CFI_ENDPROC
+-END(paranoid_exit)
++ENDPROC(paranoid_exit)
+
+ /*
+ * Exception entry point. This expects an error code/orig_rax on the stack.
+@@ -1481,12 +1874,13 @@ ENTRY(error_entry)
+ movq_cfi r14, R14+8
+ movq_cfi r15, R15+8
+ xorl %ebx,%ebx
+- testl $3,CS+8(%rsp)
++ testb $3,CS+8(%rsp)
+ je error_kernelspace
+ error_swapgs:
+ SWAPGS
+ error_sti:
+ TRACE_IRQS_OFF
++ pax_force_retaddr_bts
+ ret
+
+ /*
+@@ -1513,7 +1907,7 @@ bstep_iret:
+ movq %rcx,RIP+8(%rsp)
+ jmp error_swapgs
+ CFI_ENDPROC
+-END(error_entry)
++ENDPROC(error_entry)
+
+
+ /* ebx: no swapgs flag (1: don't need swapgs, 0: need it) */
+@@ -1533,7 +1927,7 @@ ENTRY(error_exit)
+ jnz retint_careful
+ jmp retint_swapgs
+ CFI_ENDPROC
+-END(error_exit)
++ENDPROC(error_exit)
+
+ /*
+ * Test if a given stack is an NMI stack or not.
+@@ -1591,9 +1985,11 @@ ENTRY(nmi)
+ * If %cs was not the kernel segment, then the NMI triggered in user
+ * space, which means it is definitely not nested.
+ */
++ cmpl $__KERNEXEC_KERNEL_CS, 16(%rsp)
++ je 1f
+ cmpl $__KERNEL_CS, 16(%rsp)
+ jne first_nmi
+-
++1:
+ /*
+ * Check the special variable on the stack to see if NMIs are
+ * executing.
+@@ -1752,6 +2148,17 @@ end_repeat_nmi:
+ */
+ movq %cr2, %r12
+
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ testb $3, CS(%rsp)
++ jnz 1f
++ pax_enter_kernel
++ jmp 2f
++1: pax_enter_kernel_user
++2:
++#else
++ pax_enter_kernel
++#endif
++
+ /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */
+ movq %rsp,%rdi
+ movq $-1,%rsi
+@@ -1767,21 +2174,32 @@ end_repeat_nmi:
+ testl %ebx,%ebx /* swapgs needed? */
+ jnz nmi_restore
+ nmi_swapgs:
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pax_exit_kernel_user
++#else
++ pax_exit_kernel
++#endif
+ SWAPGS_UNSAFE_STACK
++ RESTORE_ALL 8
++ /* Clear the NMI executing stack variable */
++ movq $0, 10*8(%rsp)
++ jmp irq_return
+ nmi_restore:
++ pax_exit_kernel
+ RESTORE_ALL 8
++ pax_force_retaddr_bts
+ /* Clear the NMI executing stack variable */
+ movq $0, 10*8(%rsp)
+ jmp irq_return
+ CFI_ENDPROC
+-END(nmi)
++ENDPROC(nmi)
+
+ ENTRY(ignore_sysret)
+ CFI_STARTPROC
+ mov $-ENOSYS,%eax
+ sysret
+ CFI_ENDPROC
+-END(ignore_sysret)
++ENDPROC(ignore_sysret)
+
+ /*
+ * End of kprobes section
+diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
+index c3a7cb4..3ad00dc 100644
+--- a/arch/x86/kernel/ftrace.c
++++ b/arch/x86/kernel/ftrace.c
+@@ -105,6 +105,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code,
+ {
+ unsigned char replaced[MCOUNT_INSN_SIZE];
+
++ ip = ktla_ktva(ip);
++
+ /*
+ * Note: Due to modules and __init, code can
+ * disappear and change, we need to protect against faulting
+@@ -212,7 +214,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+ int ret;
+
+- memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
++ memcpy(old, (void *)ktla_ktva((unsigned long)ftrace_call), MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, (unsigned long)func);
+
+ /* See comment above by declaration of modifying_ftrace_code */
+@@ -605,6 +607,8 @@ static int ftrace_mod_jmp(unsigned long ip,
+ {
+ unsigned char code[MCOUNT_INSN_SIZE];
+
++ ip = ktla_ktva(ip);
++
+ if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE))
+ return -EFAULT;
+
+diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
+index c18f59d..9c0c9f6 100644
+--- a/arch/x86/kernel/head32.c
++++ b/arch/x86/kernel/head32.c
+@@ -18,6 +18,7 @@
+ #include <asm/io_apic.h>
+ #include <asm/bios_ebda.h>
+ #include <asm/tlbflush.h>
++#include <asm/boot.h>
+
+ static void __init i386_default_early_setup(void)
+ {
+@@ -30,8 +31,7 @@ static void __init i386_default_early_setup(void)
+
+ void __init i386_start_kernel(void)
+ {
+- memblock_reserve(__pa_symbol(&_text),
+- __pa_symbol(&__bss_stop) - __pa_symbol(&_text));
++ memblock_reserve(LOAD_PHYSICAL_ADDR, __pa_symbol(&__bss_stop) - LOAD_PHYSICAL_ADDR);
+
+ #ifdef CONFIG_BLK_DEV_INITRD
+ /* Reserve INITRD */
+diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
+index d42ab17..87b9555 100644
+--- a/arch/x86/kernel/head_32.S
++++ b/arch/x86/kernel/head_32.S
+@@ -26,6 +26,12 @@
+ /* Physical address */
+ #define pa(X) ((X) - __PAGE_OFFSET)
+
++#ifdef CONFIG_PAX_KERNEXEC
++#define ta(X) (X)
++#else
++#define ta(X) ((X) - __PAGE_OFFSET)
++#endif
++
+ /*
+ * References to members of the new_cpu_data structure.
+ */
+@@ -55,11 +61,7 @@
+ * and small than max_low_pfn, otherwise will waste some page table entries
+ */
+
+-#if PTRS_PER_PMD > 1
+-#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD)
+-#else
+-#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD)
+-#endif
++#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE)
+
+ /* Number of possible pages in the lowmem region */
+ LOWMEM_PAGES = (((1<<32) - __PAGE_OFFSET) >> PAGE_SHIFT)
+@@ -78,6 +80,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE
+ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
+
+ /*
++ * Real beginning of normal "text" segment
++ */
++ENTRY(stext)
++ENTRY(_stext)
++
++/*
+ * 32-bit kernel entrypoint; only used by the boot CPU. On entry,
+ * %esi points to the real-mode code as a 32-bit pointer.
+ * CS and DS must be 4 GB flat segments, but we don't depend on
+@@ -85,6 +93,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
+ * can.
+ */
+ __HEAD
++
++#ifdef CONFIG_PAX_KERNEXEC
++ jmp startup_32
++/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */
++.fill PAGE_SIZE-5,1,0xcc
++#endif
++
+ ENTRY(startup_32)
+ movl pa(stack_start),%ecx
+
+@@ -106,6 +121,59 @@ ENTRY(startup_32)
+ 2:
+ leal -__PAGE_OFFSET(%ecx),%esp
+
++#ifdef CONFIG_SMP
++ movl $pa(cpu_gdt_table),%edi
++ movl $__per_cpu_load,%eax
++ movw %ax,GDT_ENTRY_PERCPU * 8 + 2(%edi)
++ rorl $16,%eax
++ movb %al,GDT_ENTRY_PERCPU * 8 + 4(%edi)
++ movb %ah,GDT_ENTRY_PERCPU * 8 + 7(%edi)
++ movl $__per_cpu_end - 1,%eax
++ subl $__per_cpu_start,%eax
++ movw %ax,GDT_ENTRY_PERCPU * 8 + 0(%edi)
++#endif
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ movl $NR_CPUS,%ecx
++ movl $pa(cpu_gdt_table),%edi
++1:
++ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi)
++ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi)
++ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi)
++ addl $PAGE_SIZE_asm,%edi
++ loop 1b
++#endif
++
++#ifdef CONFIG_PAX_KERNEXEC
++ movl $pa(boot_gdt),%edi
++ movl $__LOAD_PHYSICAL_ADDR,%eax
++ movw %ax,GDT_ENTRY_BOOT_CS * 8 + 2(%edi)
++ rorl $16,%eax
++ movb %al,GDT_ENTRY_BOOT_CS * 8 + 4(%edi)
++ movb %ah,GDT_ENTRY_BOOT_CS * 8 + 7(%edi)
++ rorl $16,%eax
++
++ ljmp $(__BOOT_CS),$1f
++1:
++
++ movl $NR_CPUS,%ecx
++ movl $pa(cpu_gdt_table),%edi
++ addl $__PAGE_OFFSET,%eax
++1:
++ movb $0xc0,GDT_ENTRY_KERNEL_CS * 8 + 6(%edi)
++ movb $0xc0,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 6(%edi)
++ movw %ax,GDT_ENTRY_KERNEL_CS * 8 + 2(%edi)
++ movw %ax,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 2(%edi)
++ rorl $16,%eax
++ movb %al,GDT_ENTRY_KERNEL_CS * 8 + 4(%edi)
++ movb %al,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 4(%edi)
++ movb %ah,GDT_ENTRY_KERNEL_CS * 8 + 7(%edi)
++ movb %ah,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 7(%edi)
++ rorl $16,%eax
++ addl $PAGE_SIZE_asm,%edi
++ loop 1b
++#endif
++
+ /*
+ * Clear BSS first so that there are no surprises...
+ */
+@@ -196,8 +264,11 @@ ENTRY(startup_32)
+ movl %eax, pa(max_pfn_mapped)
+
+ /* Do early initialization of the fixmap area */
+- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
+- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8)
++#ifdef CONFIG_COMPAT_VDSO
++ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8)
++#else
++ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8)
++#endif
+ #else /* Not PAE */
+
+ page_pde_offset = (__PAGE_OFFSET >> 20);
+@@ -227,8 +298,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
+ movl %eax, pa(max_pfn_mapped)
+
+ /* Do early initialization of the fixmap area */
+- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
+- movl %eax,pa(initial_page_table+0xffc)
++#ifdef CONFIG_COMPAT_VDSO
++ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc)
++#else
++ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc)
++#endif
+ #endif
+
+ #ifdef CONFIG_PARAVIRT
+@@ -242,9 +316,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
+ cmpl $num_subarch_entries, %eax
+ jae bad_subarch
+
+- movl pa(subarch_entries)(,%eax,4), %eax
+- subl $__PAGE_OFFSET, %eax
+- jmp *%eax
++ jmp *pa(subarch_entries)(,%eax,4)
+
+ bad_subarch:
+ WEAK(lguest_entry)
+@@ -256,10 +328,10 @@ WEAK(xen_entry)
+ __INITDATA
+
+ subarch_entries:
+- .long default_entry /* normal x86/PC */
+- .long lguest_entry /* lguest hypervisor */
+- .long xen_entry /* Xen hypervisor */
+- .long default_entry /* Moorestown MID */
++ .long ta(default_entry) /* normal x86/PC */
++ .long ta(lguest_entry) /* lguest hypervisor */
++ .long ta(xen_entry) /* Xen hypervisor */
++ .long ta(default_entry) /* Moorestown MID */
+ num_subarch_entries = (. - subarch_entries) / 4
+ .previous
+ #else
+@@ -310,6 +382,7 @@ default_entry:
+ orl %edx,%eax
+ movl %eax,%cr4
+
++#ifdef CONFIG_X86_PAE
+ testb $X86_CR4_PAE, %al # check if PAE is enabled
+ jz 6f
+
+@@ -338,6 +411,9 @@ default_entry:
+ /* Make changes effective */
+ wrmsr
+
++ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4)
++#endif
++
+ 6:
+
+ /*
+@@ -436,14 +512,20 @@ is386: movl $2,%ecx # set MP
+ 1: movl $(__KERNEL_DS),%eax # reload all the segment registers
+ movl %eax,%ss # after changing gdt.
+
+- movl $(__USER_DS),%eax # DS/ES contains default USER segment
++# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment
+ movl %eax,%ds
+ movl %eax,%es
+
+ movl $(__KERNEL_PERCPU), %eax
+ movl %eax,%fs # set this cpu's percpu
+
++#ifdef CONFIG_CC_STACKPROTECTOR
+ movl $(__KERNEL_STACK_CANARY),%eax
++#elif defined(CONFIG_PAX_MEMORY_UDEREF)
++ movl $(__USER_DS),%eax
++#else
++ xorl %eax,%eax
++#endif
+ movl %eax,%gs
+
+ xorl %eax,%eax # Clear LDT
+@@ -520,8 +602,11 @@ setup_once:
+ * relocation. Manually set base address in stack canary
+ * segment descriptor.
+ */
+- movl $gdt_page,%eax
++ movl $cpu_gdt_table,%eax
+ movl $stack_canary,%ecx
++#ifdef CONFIG_SMP
++ addl $__per_cpu_load,%ecx
++#endif
+ movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax)
+ shrl $16, %ecx
+ movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax)
+@@ -552,7 +637,7 @@ ENDPROC(early_idt_handlers)
+ /* This is global to keep gas from relaxing the jumps */
+ ENTRY(early_idt_handler)
+ cld
+- cmpl $2,%ss:early_recursion_flag
++ cmpl $1,%ss:early_recursion_flag
+ je hlt_loop
+ incl %ss:early_recursion_flag
+
+@@ -590,8 +675,8 @@ ENTRY(early_idt_handler)
+ pushl (20+6*4)(%esp) /* trapno */
+ pushl $fault_msg
+ call printk
+-#endif
+ call dump_stack
++#endif
+ hlt_loop:
+ hlt
+ jmp hlt_loop
+@@ -610,8 +695,11 @@ ENDPROC(early_idt_handler)
+ /* This is the default interrupt "handler" :-) */
+ ALIGN
+ ignore_int:
+- cld
+ #ifdef CONFIG_PRINTK
++ cmpl $2,%ss:early_recursion_flag
++ je hlt_loop
++ incl %ss:early_recursion_flag
++ cld
+ pushl %eax
+ pushl %ecx
+ pushl %edx
+@@ -620,9 +708,6 @@ ignore_int:
+ movl $(__KERNEL_DS),%eax
+ movl %eax,%ds
+ movl %eax,%es
+- cmpl $2,early_recursion_flag
+- je hlt_loop
+- incl early_recursion_flag
+ pushl 16(%esp)
+ pushl 24(%esp)
+ pushl 32(%esp)
+@@ -656,29 +741,43 @@ ENTRY(setup_once_ref)
+ /*
+ * BSS section
+ */
+-__PAGE_ALIGNED_BSS
+- .align PAGE_SIZE
+ #ifdef CONFIG_X86_PAE
++.section .initial_pg_pmd,"a",@progbits
+ initial_pg_pmd:
+ .fill 1024*KPMDS,4,0
+ #else
++.section .initial_page_table,"a",@progbits
+ ENTRY(initial_page_table)
+ .fill 1024,4,0
+ #endif
++.section .initial_pg_fixmap,"a",@progbits
+ initial_pg_fixmap:
+ .fill 1024,4,0
++.section .empty_zero_page,"a",@progbits
+ ENTRY(empty_zero_page)
+ .fill 4096,1,0
++.section .swapper_pg_dir,"a",@progbits
+ ENTRY(swapper_pg_dir)
++#ifdef CONFIG_X86_PAE
++ .fill 4,8,0
++#else
+ .fill 1024,4,0
++#endif
++
++/*
++ * The IDT has to be page-aligned to simplify the Pentium
++ * F0 0F bug workaround.. We have a special link segment
++ * for this.
++ */
++.section .idt,"a",@progbits
++ENTRY(idt_table)
++ .fill 256,8,0
+
+ /*
+ * This starts the data section.
+ */
+ #ifdef CONFIG_X86_PAE
+-__PAGE_ALIGNED_DATA
+- /* Page-aligned for the benefit of paravirt? */
+- .align PAGE_SIZE
++.section .initial_page_table,"a",@progbits
+ ENTRY(initial_page_table)
+ .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */
+ # if KPMDS == 3
+@@ -697,12 +796,20 @@ ENTRY(initial_page_table)
+ # error "Kernel PMDs should be 1, 2 or 3"
+ # endif
+ .align PAGE_SIZE /* needs to be page-sized too */
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ENTRY(cpu_pgd)
++ .rept NR_CPUS
++ .fill 4,8,0
++ .endr
++#endif
++
+ #endif
+
+ .data
+ .balign 4
+ ENTRY(stack_start)
+- .long init_thread_union+THREAD_SIZE
++ .long init_thread_union+THREAD_SIZE-8
+
+ __INITRODATA
+ int_msg:
+@@ -730,7 +837,7 @@ fault_msg:
+ * segment size, and 32-bit linear address value:
+ */
+
+- .data
++.section .rodata,"a",@progbits
+ .globl boot_gdt_descr
+ .globl idt_descr
+
+@@ -739,7 +846,7 @@ fault_msg:
+ .word 0 # 32 bit align gdt_desc.address
+ boot_gdt_descr:
+ .word __BOOT_DS+7
+- .long boot_gdt - __PAGE_OFFSET
++ .long pa(boot_gdt)
+
+ .word 0 # 32-bit align idt_desc.address
+ idt_descr:
+@@ -750,7 +857,7 @@ idt_descr:
+ .word 0 # 32 bit align gdt_desc.address
+ ENTRY(early_gdt_descr)
+ .word GDT_ENTRIES*8-1
+- .long gdt_page /* Overwritten for secondary CPUs */
++ .long cpu_gdt_table /* Overwritten for secondary CPUs */
+
+ /*
+ * The boot_gdt must mirror the equivalent in setup.S and is
+@@ -759,5 +866,65 @@ ENTRY(early_gdt_descr)
+ .align L1_CACHE_BYTES
+ ENTRY(boot_gdt)
+ .fill GDT_ENTRY_BOOT_CS,8,0
+- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */
+- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */
++ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */
++ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */
++
++ .align PAGE_SIZE_asm
++ENTRY(cpu_gdt_table)
++ .rept NR_CPUS
++ .quad 0x0000000000000000 /* NULL descriptor */
++ .quad 0x0000000000000000 /* 0x0b reserved */
++ .quad 0x0000000000000000 /* 0x13 reserved */
++ .quad 0x0000000000000000 /* 0x1b reserved */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */
++#else
++ .quad 0x0000000000000000 /* 0x20 unused */
++#endif
++
++ .quad 0x0000000000000000 /* 0x28 unused */
++ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */
++ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */
++ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */
++ .quad 0x0000000000000000 /* 0x4b reserved */
++ .quad 0x0000000000000000 /* 0x53 reserved */
++ .quad 0x0000000000000000 /* 0x5b reserved */
++
++ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */
++ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */
++ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */
++ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */
++
++ .quad 0x0000000000000000 /* 0x80 TSS descriptor */
++ .quad 0x0000000000000000 /* 0x88 LDT descriptor */
++
++ /*
++ * Segments used for calling PnP BIOS have byte granularity.
++ * The code segments and data segments have fixed 64k limits,
++ * the transfer segment sizes are set at run time.
++ */
++ .quad 0x00409b000000ffff /* 0x90 32-bit code */
++ .quad 0x00009b000000ffff /* 0x98 16-bit code */
++ .quad 0x000093000000ffff /* 0xa0 16-bit data */
++ .quad 0x0000930000000000 /* 0xa8 16-bit data */
++ .quad 0x0000930000000000 /* 0xb0 16-bit data */
++
++ /*
++ * The APM segments have byte granularity and their bases
++ * are set at run time. All have 64k limits.
++ */
++ .quad 0x00409b000000ffff /* 0xb8 APM CS code */
++ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */
++ .quad 0x004093000000ffff /* 0xc8 APM DS data */
++
++ .quad 0x00c0930000000000 /* 0xd0 - ESPFIX SS */
++ .quad 0x0040930000000000 /* 0xd8 - PERCPU */
++ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */
++ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */
++ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */
++ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */
++
++ /* Be sure this is zeroed to avoid false validations in Xen */
++ .fill PAGE_SIZE_asm - GDT_SIZE,1,0
++ .endr
+diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
+index 94bf9cc..400455a 100644
+--- a/arch/x86/kernel/head_64.S
++++ b/arch/x86/kernel/head_64.S
+@@ -20,6 +20,8 @@
+ #include <asm/processor-flags.h>
+ #include <asm/percpu.h>
+ #include <asm/nops.h>
++#include <asm/cpufeature.h>
++#include <asm/alternative-asm.h>
+
+ #ifdef CONFIG_PARAVIRT
+ #include <asm/asm-offsets.h>
+@@ -41,6 +43,12 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET)
+ L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET)
+ L4_START_KERNEL = pgd_index(__START_KERNEL_map)
+ L3_START_KERNEL = pud_index(__START_KERNEL_map)
++L4_VMALLOC_START = pgd_index(VMALLOC_START)
++L3_VMALLOC_START = pud_index(VMALLOC_START)
++L4_VMALLOC_END = pgd_index(VMALLOC_END)
++L3_VMALLOC_END = pud_index(VMALLOC_END)
++L4_VMEMMAP_START = pgd_index(VMEMMAP_START)
++L3_VMEMMAP_START = pud_index(VMEMMAP_START)
+
+ .text
+ __HEAD
+@@ -88,35 +96,23 @@ startup_64:
+ */
+ addq %rbp, init_level4_pgt + 0(%rip)
+ addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
++ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip)
++ addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip)
++ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip)
+ addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
+
+ addq %rbp, level3_ident_pgt + 0(%rip)
++#ifndef CONFIG_XEN
++ addq %rbp, level3_ident_pgt + 8(%rip)
++#endif
+
+- addq %rbp, level3_kernel_pgt + (510*8)(%rip)
+- addq %rbp, level3_kernel_pgt + (511*8)(%rip)
++ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip)
++
++ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip)
++ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8+8)(%rip)
+
+ addq %rbp, level2_fixmap_pgt + (506*8)(%rip)
+-
+- /* Add an Identity mapping if I am above 1G */
+- leaq _text(%rip), %rdi
+- andq $PMD_PAGE_MASK, %rdi
+-
+- movq %rdi, %rax
+- shrq $PUD_SHIFT, %rax
+- andq $(PTRS_PER_PUD - 1), %rax
+- jz ident_complete
+-
+- leaq (level2_spare_pgt - __START_KERNEL_map + _KERNPG_TABLE)(%rbp), %rdx
+- leaq level3_ident_pgt(%rip), %rbx
+- movq %rdx, 0(%rbx, %rax, 8)
+-
+- movq %rdi, %rax
+- shrq $PMD_SHIFT, %rax
+- andq $(PTRS_PER_PMD - 1), %rax
+- leaq __PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx
+- leaq level2_spare_pgt(%rip), %rbx
+- movq %rdx, 0(%rbx, %rax, 8)
+-ident_complete:
++ addq %rbp, level2_fixmap_pgt + (507*8)(%rip)
+
+ /*
+ * Fixup the kernel text+data virtual addresses. Note that
+@@ -159,8 +155,8 @@ ENTRY(secondary_startup_64)
+ * after the boot processor executes this code.
+ */
+
+- /* Enable PAE mode and PGE */
+- movl $(X86_CR4_PAE | X86_CR4_PGE), %eax
++ /* Enable PAE mode and PSE/PGE */
++ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %eax
+ movq %rax, %cr4
+
+ /* Setup early boot stage 4 level pagetables. */
+@@ -182,9 +178,17 @@ ENTRY(secondary_startup_64)
+ movl $MSR_EFER, %ecx
+ rdmsr
+ btsl $_EFER_SCE, %eax /* Enable System Call */
+- btl $20,%edi /* No Execute supported? */
++ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */
+ jnc 1f
+ btsl $_EFER_NX, %eax
++ leaq init_level4_pgt(%rip), %rdi
++#ifndef CONFIG_EFI
++ btsq $_PAGE_BIT_NX, 8*L4_PAGE_OFFSET(%rdi)
++#endif
++ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_START(%rdi)
++ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_END(%rdi)
++ btsq $_PAGE_BIT_NX, 8*L4_VMEMMAP_START(%rdi)
++ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip)
+ 1: wrmsr /* Make changes effective */
+
+ /* Setup cr0 */
+@@ -246,6 +250,7 @@ ENTRY(secondary_startup_64)
+ * jump. In addition we need to ensure %cs is set so we make this
+ * a far return.
+ */
++ pax_set_fptr_mask
+ movq initial_code(%rip),%rax
+ pushq $0 # fake return address to stop unwinder
+ pushq $__KERNEL_CS # set correct cs
+@@ -268,7 +273,7 @@ ENTRY(secondary_startup_64)
+ bad_address:
+ jmp bad_address
+
+- .section ".init.text","ax"
++ __INIT
+ .globl early_idt_handlers
+ early_idt_handlers:
+ # 104(%rsp) %rflags
+@@ -347,11 +352,15 @@ ENTRY(early_idt_handler)
+ addq $16,%rsp # drop vector number and error code
+ decl early_recursion_flag(%rip)
+ INTERRUPT_RETURN
++ .previous
+
++ __INITDATA
+ .balign 4
+ early_recursion_flag:
+ .long 0
++ .previous
+
++ .section .rodata,"a",@progbits
+ #ifdef CONFIG_EARLY_PRINTK
+ early_idt_msg:
+ .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n"
+@@ -360,6 +369,7 @@ early_idt_ripmsg:
+ #endif /* CONFIG_EARLY_PRINTK */
+ .previous
+
++ .section .rodata,"a",@progbits
+ #define NEXT_PAGE(name) \
+ .balign PAGE_SIZE; \
+ ENTRY(name)
+@@ -372,7 +382,6 @@ ENTRY(name)
+ i = i + 1 ; \
+ .endr
+
+- .data
+ /*
+ * This default setting generates an ident mapping at address 0x100000
+ * and a mapping for the kernel that precisely maps virtual address
+@@ -383,13 +392,41 @@ NEXT_PAGE(init_level4_pgt)
+ .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
+ .org init_level4_pgt + L4_PAGE_OFFSET*8, 0
+ .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
++ .org init_level4_pgt + L4_VMALLOC_START*8, 0
++ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + _KERNPG_TABLE
++ .org init_level4_pgt + L4_VMALLOC_END*8, 0
++ .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE
++ .org init_level4_pgt + L4_VMEMMAP_START*8, 0
++ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
+ .org init_level4_pgt + L4_START_KERNEL*8, 0
+ /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
+ .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++NEXT_PAGE(cpu_pgd)
++ .rept NR_CPUS
++ .fill 512,8,0
++ .endr
++#endif
++
+ NEXT_PAGE(level3_ident_pgt)
+ .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
++#ifdef CONFIG_XEN
+ .fill 511,8,0
++#else
++ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE
++ .fill 510,8,0
++#endif
++
++NEXT_PAGE(level3_vmalloc_start_pgt)
++ .fill 512,8,0
++
++NEXT_PAGE(level3_vmalloc_end_pgt)
++ .fill 512,8,0
++
++NEXT_PAGE(level3_vmemmap_pgt)
++ .fill L3_VMEMMAP_START,8,0
++ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
+
+ NEXT_PAGE(level3_kernel_pgt)
+ .fill L3_START_KERNEL,8,0
+@@ -397,20 +434,23 @@ NEXT_PAGE(level3_kernel_pgt)
+ .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
+ .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
+
++NEXT_PAGE(level2_vmemmap_pgt)
++ .fill 512,8,0
++
+ NEXT_PAGE(level2_fixmap_pgt)
+- .fill 506,8,0
+- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
+- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
+- .fill 5,8,0
++ .fill 507,8,0
++ .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE
++ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */
++ .fill 4,8,0
+
+-NEXT_PAGE(level1_fixmap_pgt)
++NEXT_PAGE(level1_vsyscall_pgt)
+ .fill 512,8,0
+
+-NEXT_PAGE(level2_ident_pgt)
+- /* Since I easily can, map the first 1G.
++ /* Since I easily can, map the first 2G.
+ * Don't set NX because code runs from these pages.
+ */
+- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
++NEXT_PAGE(level2_ident_pgt)
++ PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD)
+
+ NEXT_PAGE(level2_kernel_pgt)
+ /*
+@@ -423,37 +463,59 @@ NEXT_PAGE(level2_kernel_pgt)
+ * If you want to increase this then increase MODULES_VADDR
+ * too.)
+ */
+- PMDS(0, __PAGE_KERNEL_LARGE_EXEC,
+- KERNEL_IMAGE_SIZE/PMD_SIZE)
+-
+-NEXT_PAGE(level2_spare_pgt)
+- .fill 512, 8, 0
++ PMDS(0, __PAGE_KERNEL_LARGE_EXEC, KERNEL_IMAGE_SIZE/PMD_SIZE)
+
+ #undef PMDS
+ #undef NEXT_PAGE
+
+- .data
++ .align PAGE_SIZE
++ENTRY(cpu_gdt_table)
++ .rept NR_CPUS
++ .quad 0x0000000000000000 /* NULL descriptor */
++ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */
++ .quad 0x00af9b000000ffff /* __KERNEL_CS */
++ .quad 0x00cf93000000ffff /* __KERNEL_DS */
++ .quad 0x00cffb000000ffff /* __USER32_CS */
++ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */
++ .quad 0x00affb000000ffff /* __USER_CS */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */
++#else
++ .quad 0x0 /* unused */
++#endif
++
++ .quad 0,0 /* TSS */
++ .quad 0,0 /* LDT */
++ .quad 0,0,0 /* three TLS descriptors */
++ .quad 0x0000f40000000000 /* node/CPU stored in limit */
++ /* asm/segment.h:GDT_ENTRIES must match this */
++
++ /* zero the remaining page */
++ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0
++ .endr
++
+ .align 16
+ .globl early_gdt_descr
+ early_gdt_descr:
+ .word GDT_ENTRIES*8-1
+ early_gdt_descr_base:
+- .quad INIT_PER_CPU_VAR(gdt_page)
++ .quad cpu_gdt_table
+
+ ENTRY(phys_base)
+ /* This must match the first entry in level2_kernel_pgt */
+ .quad 0x0000000000000000
+
+ #include "../../x86/xen/xen-head.S"
+-
+- .section .bss, "aw", @nobits
++
++ .section .rodata,"a",@progbits
+ .align L1_CACHE_BYTES
+ ENTRY(idt_table)
+- .skip IDT_ENTRIES * 16
++ .fill 512,8,0
+
+ .align L1_CACHE_BYTES
+ ENTRY(nmi_idt_table)
+- .skip IDT_ENTRIES * 16
++ .fill 512,8,0
+
+ __PAGE_ALIGNED_BSS
+ .align PAGE_SIZE
+diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c
+index 9c3bd4a..e1d9b35 100644
+--- a/arch/x86/kernel/i386_ksyms_32.c
++++ b/arch/x86/kernel/i386_ksyms_32.c
+@@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void);
+ EXPORT_SYMBOL(cmpxchg8b_emu);
+ #endif
+
++EXPORT_SYMBOL_GPL(cpu_gdt_table);
++
+ /* Networking helper routines. */
+ EXPORT_SYMBOL(csum_partial_copy_generic);
++EXPORT_SYMBOL(csum_partial_copy_generic_to_user);
++EXPORT_SYMBOL(csum_partial_copy_generic_from_user);
+
+ EXPORT_SYMBOL(__get_user_1);
+ EXPORT_SYMBOL(__get_user_2);
+@@ -36,3 +40,7 @@ EXPORT_SYMBOL(strstr);
+
+ EXPORT_SYMBOL(csum_partial);
+ EXPORT_SYMBOL(empty_zero_page);
++
++#ifdef CONFIG_PAX_KERNEXEC
++EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR);
++#endif
+diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
+index f250431..54097e7 100644
+--- a/arch/x86/kernel/i387.c
++++ b/arch/x86/kernel/i387.c
+@@ -59,7 +59,7 @@ static inline bool interrupted_kernel_fpu_idle(void)
+ static inline bool interrupted_user_mode(void)
+ {
+ struct pt_regs *regs = get_irq_regs();
+- return regs && user_mode_vm(regs);
++ return regs && user_mode(regs);
+ }
+
+ /*
+diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
+index 36d1853..bf25736 100644
+--- a/arch/x86/kernel/i8259.c
++++ b/arch/x86/kernel/i8259.c
+@@ -209,7 +209,7 @@ spurious_8259A_irq:
+ "spurious 8259A interrupt: IRQ%d.\n", irq);
+ spurious_irq_mask |= irqmask;
+ }
+- atomic_inc(&irq_err_count);
++ atomic_inc_unchecked(&irq_err_count);
+ /*
+ * Theoretically we do not have to handle this IRQ,
+ * but in Linux this does not cause problems and is
+diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
+index 8c96897..be66bfa 100644
+--- a/arch/x86/kernel/ioport.c
++++ b/arch/x86/kernel/ioport.c
+@@ -6,6 +6,7 @@
+ #include <linux/sched.h>
+ #include <linux/kernel.h>
+ #include <linux/capability.h>
++#include <linux/security.h>
+ #include <linux/errno.h>
+ #include <linux/types.h>
+ #include <linux/ioport.h>
+@@ -28,6 +29,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
+
+ if ((from + num <= from) || (from + num > IO_BITMAP_BITS))
+ return -EINVAL;
++#ifdef CONFIG_GRKERNSEC_IO
++ if (turn_on && grsec_disable_privio) {
++ gr_handle_ioperm();
++ return -EPERM;
++ }
++#endif
+ if (turn_on && !capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
+@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
+ * because the ->io_bitmap_max value must match the bitmap
+ * contents:
+ */
+- tss = &per_cpu(init_tss, get_cpu());
++ tss = init_tss + get_cpu();
+
+ if (turn_on)
+ bitmap_clear(t->io_bitmap_ptr, from, num);
+@@ -102,6 +109,12 @@ long sys_iopl(unsigned int level, struct pt_regs *regs)
+ return -EINVAL;
+ /* Trying to gain more privileges? */
+ if (level > old) {
++#ifdef CONFIG_GRKERNSEC_IO
++ if (grsec_disable_privio) {
++ gr_handle_iopl();
++ return -EPERM;
++ }
++#endif
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+ }
+diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
+index d44f782..31ab01e 100644
+--- a/arch/x86/kernel/irq.c
++++ b/arch/x86/kernel/irq.c
+@@ -18,7 +18,7 @@
+ #include <asm/mce.h>
+ #include <asm/hw_irq.h>
+
+-atomic_t irq_err_count;
++atomic_unchecked_t irq_err_count;
+
+ /* Function pointer for generic interrupt vector handling */
+ void (*x86_platform_ipi_callback)(void) = NULL;
+@@ -121,9 +121,9 @@ int arch_show_interrupts(struct seq_file *p, int prec)
+ seq_printf(p, "%10u ", per_cpu(mce_poll_count, j));
+ seq_printf(p, " Machine check polls\n");
+ #endif
+- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
++ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count));
+ #if defined(CONFIG_X86_IO_APIC)
+- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
++ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count));
+ #endif
+ return 0;
+ }
+@@ -164,10 +164,10 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
+
+ u64 arch_irq_stat(void)
+ {
+- u64 sum = atomic_read(&irq_err_count);
++ u64 sum = atomic_read_unchecked(&irq_err_count);
+
+ #ifdef CONFIG_X86_IO_APIC
+- sum += atomic_read(&irq_mis_count);
++ sum += atomic_read_unchecked(&irq_mis_count);
+ #endif
+ return sum;
+ }
+diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
+index 344faf8..355f60d 100644
+--- a/arch/x86/kernel/irq_32.c
++++ b/arch/x86/kernel/irq_32.c
+@@ -39,7 +39,7 @@ static int check_stack_overflow(void)
+ __asm__ __volatile__("andl %%esp,%0" :
+ "=r" (sp) : "0" (THREAD_SIZE - 1));
+
+- return sp < (sizeof(struct thread_info) + STACK_WARN);
++ return sp < STACK_WARN;
+ }
+
+ static void print_stack_overflow(void)
+@@ -59,8 +59,8 @@ static inline void print_stack_overflow(void) { }
+ * per-CPU IRQ handling contexts (thread information and stack)
+ */
+ union irq_ctx {
+- struct thread_info tinfo;
+- u32 stack[THREAD_SIZE/sizeof(u32)];
++ unsigned long previous_esp;
++ u32 stack[THREAD_SIZE/sizeof(u32)];
+ } __attribute__((aligned(THREAD_SIZE)));
+
+ static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx);
+@@ -80,10 +80,9 @@ static void call_on_stack(void *func, void *stack)
+ static inline int
+ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+ {
+- union irq_ctx *curctx, *irqctx;
++ union irq_ctx *irqctx;
+ u32 *isp, arg1, arg2;
+
+- curctx = (union irq_ctx *) current_thread_info();
+ irqctx = __this_cpu_read(hardirq_ctx);
+
+ /*
+@@ -92,16 +91,16 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+ * handler) we can't do that and just have to keep using the
+ * current stack (which is the irq stack already after all)
+ */
+- if (unlikely(curctx == irqctx))
++ if (unlikely((void *)current_stack_pointer - (void *)irqctx < THREAD_SIZE))
+ return 0;
+
+ /* build the stack frame on the IRQ stack */
+- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx));
+- irqctx->tinfo.task = curctx->tinfo.task;
+- irqctx->tinfo.previous_esp = current_stack_pointer;
++ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8);
++ irqctx->previous_esp = current_stack_pointer;
+
+- /* Copy the preempt_count so that the [soft]irq checks work. */
+- irqctx->tinfo.preempt_count = curctx->tinfo.preempt_count;
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(MAKE_MM_SEG(0));
++#endif
+
+ if (unlikely(overflow))
+ call_on_stack(print_stack_overflow, isp);
+@@ -113,6 +112,11 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+ : "0" (irq), "1" (desc), "2" (isp),
+ "D" (desc->handle_irq)
+ : "memory", "cc", "ecx");
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(current_thread_info()->addr_limit);
++#endif
++
+ return 1;
+ }
+
+@@ -121,29 +125,14 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+ */
+ void __cpuinit irq_ctx_init(int cpu)
+ {
+- union irq_ctx *irqctx;
+-
+ if (per_cpu(hardirq_ctx, cpu))
+ return;
+
+- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
+- THREADINFO_GFP,
+- THREAD_SIZE_ORDER));
+- memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
+- irqctx->tinfo.cpu = cpu;
+- irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
+- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
+-
+- per_cpu(hardirq_ctx, cpu) = irqctx;
+-
+- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
+- THREADINFO_GFP,
+- THREAD_SIZE_ORDER));
+- memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
+- irqctx->tinfo.cpu = cpu;
+- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
+-
+- per_cpu(softirq_ctx, cpu) = irqctx;
++ per_cpu(hardirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
++ per_cpu(softirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
++
++ printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
++ cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu));
+
+ printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
+ cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu));
+@@ -152,7 +141,6 @@ void __cpuinit irq_ctx_init(int cpu)
+ asmlinkage void do_softirq(void)
+ {
+ unsigned long flags;
+- struct thread_info *curctx;
+ union irq_ctx *irqctx;
+ u32 *isp;
+
+@@ -162,15 +150,22 @@ asmlinkage void do_softirq(void)
+ local_irq_save(flags);
+
+ if (local_softirq_pending()) {
+- curctx = current_thread_info();
+ irqctx = __this_cpu_read(softirq_ctx);
+- irqctx->tinfo.task = curctx->task;
+- irqctx->tinfo.previous_esp = current_stack_pointer;
++ irqctx->previous_esp = current_stack_pointer;
+
+ /* build the stack frame on the softirq stack */
+- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx));
++ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(MAKE_MM_SEG(0));
++#endif
+
+ call_on_stack(__do_softirq, isp);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(current_thread_info()->addr_limit);
++#endif
++
+ /*
+ * Shouldn't happen, we returned above if in_interrupt():
+ */
+@@ -191,7 +186,7 @@ bool handle_irq(unsigned irq, struct pt_regs *regs)
+ if (unlikely(!desc))
+ return false;
+
+- if (user_mode_vm(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
++ if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
+ if (unlikely(overflow))
+ print_stack_overflow();
+ desc->handle_irq(irq, desc);
+diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
+index d04d3ec..ea4b374 100644
+--- a/arch/x86/kernel/irq_64.c
++++ b/arch/x86/kernel/irq_64.c
+@@ -44,7 +44,7 @@ static inline void stack_overflow_check(struct pt_regs *regs)
+ u64 estack_top, estack_bottom;
+ u64 curbase = (u64)task_stack_page(current);
+
+- if (user_mode_vm(regs))
++ if (user_mode(regs))
+ return;
+
+ if (regs->sp >= curbase + sizeof(struct thread_info) +
+diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c
+index dc1404b..bbc43e7 100644
+--- a/arch/x86/kernel/kdebugfs.c
++++ b/arch/x86/kernel/kdebugfs.c
+@@ -27,7 +27,7 @@ struct setup_data_node {
+ u32 len;
+ };
+
+-static ssize_t setup_data_read(struct file *file, char __user *user_buf,
++static ssize_t __size_overflow(3) setup_data_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+ {
+ struct setup_data_node *node = file->private_data;
+diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
+index 3f61904..873cea9 100644
+--- a/arch/x86/kernel/kgdb.c
++++ b/arch/x86/kernel/kgdb.c
+@@ -127,11 +127,11 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
+ #ifdef CONFIG_X86_32
+ switch (regno) {
+ case GDB_SS:
+- if (!user_mode_vm(regs))
++ if (!user_mode(regs))
+ *(unsigned long *)mem = __KERNEL_DS;
+ break;
+ case GDB_SP:
+- if (!user_mode_vm(regs))
++ if (!user_mode(regs))
+ *(unsigned long *)mem = kernel_stack_pointer(regs);
+ break;
+ case GDB_GS:
+@@ -476,12 +476,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
+ case 'k':
+ /* clear the trace bit */
+ linux_regs->flags &= ~X86_EFLAGS_TF;
+- atomic_set(&kgdb_cpu_doing_single_step, -1);
++ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1);
+
+ /* set the trace bit if we're stepping */
+ if (remcomInBuffer[0] == 's') {
+ linux_regs->flags |= X86_EFLAGS_TF;
+- atomic_set(&kgdb_cpu_doing_single_step,
++ atomic_set_unchecked(&kgdb_cpu_doing_single_step,
+ raw_smp_processor_id());
+ }
+
+@@ -546,7 +546,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
+
+ switch (cmd) {
+ case DIE_DEBUG:
+- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
++ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
+ if (user_mode(regs))
+ return single_step_cont(regs, args);
+ break;
+diff --git a/arch/x86/kernel/kprobes-opt.c b/arch/x86/kernel/kprobes-opt.c
+index c5e410e..da6aaf9 100644
+--- a/arch/x86/kernel/kprobes-opt.c
++++ b/arch/x86/kernel/kprobes-opt.c
+@@ -338,7 +338,7 @@ int __kprobes arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
+ * Verify if the address gap is in 2GB range, because this uses
+ * a relative jump.
+ */
+- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
++ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE;
+ if (abs(rel) > 0x7fffffff)
+ return -ERANGE;
+
+@@ -359,11 +359,11 @@ int __kprobes arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
+ synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op);
+
+ /* Set probe function call */
+- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback);
++ synthesize_relcall(buf + TMPL_CALL_IDX, ktla_ktva(optimized_callback));
+
+ /* Set returning jmp instruction at the tail of out-of-line buffer */
+ synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
+- (u8 *)op->kp.addr + op->optinsn.size);
++ (u8 *)ktla_ktva(op->kp.addr) + op->optinsn.size);
+
+ flush_icache_range((unsigned long) buf,
+ (unsigned long) buf + TMPL_END_IDX +
+@@ -385,7 +385,7 @@ static void __kprobes setup_optimize_kprobe(struct text_poke_param *tprm,
+ ((long)op->kp.addr + RELATIVEJUMP_SIZE));
+
+ /* Backup instructions which will be replaced by jump address */
+- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE,
++ memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE,
+ RELATIVE_ADDR_SIZE);
+
+ insn_buf[0] = RELATIVEJUMP_OPCODE;
+diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
+index e2f751e..dffa2a0 100644
+--- a/arch/x86/kernel/kprobes.c
++++ b/arch/x86/kernel/kprobes.c
+@@ -120,8 +120,11 @@ static void __kprobes __synthesize_relative_insn(void *from, void *to, u8 op)
+ } __attribute__((packed)) *insn;
+
+ insn = (struct __arch_relative_insn *)from;
++
++ pax_open_kernel();
+ insn->raddr = (s32)((long)(to) - ((long)(from) + 5));
+ insn->op = op;
++ pax_close_kernel();
+ }
+
+ /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
+@@ -164,7 +167,7 @@ int __kprobes can_boost(kprobe_opcode_t *opcodes)
+ kprobe_opcode_t opcode;
+ kprobe_opcode_t *orig_opcodes = opcodes;
+
+- if (search_exception_tables((unsigned long)opcodes))
++ if (search_exception_tables(ktva_ktla((unsigned long)opcodes)))
+ return 0; /* Page fault may occur on this address. */
+
+ retry:
+@@ -332,7 +335,9 @@ int __kprobes __copy_instruction(u8 *dest, u8 *src)
+ /* Another subsystem puts a breakpoint, failed to recover */
+ if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION)
+ return 0;
++ pax_open_kernel();
+ memcpy(dest, insn.kaddr, insn.length);
++ pax_close_kernel();
+
+ #ifdef CONFIG_X86_64
+ if (insn_rip_relative(&insn)) {
+@@ -355,7 +360,9 @@ int __kprobes __copy_instruction(u8 *dest, u8 *src)
+ newdisp = (u8 *) src + (s64) insn.displacement.value - (u8 *) dest;
+ BUG_ON((s64) (s32) newdisp != newdisp); /* Sanity check. */
+ disp = (u8 *) dest + insn_offset_displacement(&insn);
++ pax_open_kernel();
+ *(s32 *) disp = (s32) newdisp;
++ pax_close_kernel();
+ }
+ #endif
+ return insn.length;
+@@ -485,7 +492,7 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k
+ * nor set current_kprobe, because it doesn't use single
+ * stepping.
+ */
+- regs->ip = (unsigned long)p->ainsn.insn;
++ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
+ preempt_enable_no_resched();
+ return;
+ }
+@@ -504,7 +511,7 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k
+ if (p->opcode == BREAKPOINT_INSTRUCTION)
+ regs->ip = (unsigned long)p->addr;
+ else
+- regs->ip = (unsigned long)p->ainsn.insn;
++ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
+ }
+
+ /*
+@@ -583,7 +590,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
+ setup_singlestep(p, regs, kcb, 0);
+ return 1;
+ }
+- } else if (*addr != BREAKPOINT_INSTRUCTION) {
++ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) {
+ /*
+ * The breakpoint instruction was removed right
+ * after we hit it. Another cpu has removed
+@@ -628,6 +635,9 @@ static void __used __kprobes kretprobe_trampoline_holder(void)
+ " movq %rax, 152(%rsp)\n"
+ RESTORE_REGS_STRING
+ " popfq\n"
++#ifdef KERNEXEC_PLUGIN
++ " btsq $63,(%rsp)\n"
++#endif
+ #else
+ " pushf\n"
+ SAVE_REGS_STRING
+@@ -765,7 +775,7 @@ static void __kprobes
+ resume_execution(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb)
+ {
+ unsigned long *tos = stack_addr(regs);
+- unsigned long copy_ip = (unsigned long)p->ainsn.insn;
++ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn);
+ unsigned long orig_ip = (unsigned long)p->addr;
+ kprobe_opcode_t *insn = p->ainsn.insn;
+
+@@ -947,7 +957,7 @@ kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *d
+ struct die_args *args = data;
+ int ret = NOTIFY_DONE;
+
+- if (args->regs && user_mode_vm(args->regs))
++ if (args->regs && user_mode(args->regs))
+ return ret;
+
+ switch (val) {
+diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
+index ebc9873..1b9724b 100644
+--- a/arch/x86/kernel/ldt.c
++++ b/arch/x86/kernel/ldt.c
+@@ -66,13 +66,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
+ if (reload) {
+ #ifdef CONFIG_SMP
+ preempt_disable();
+- load_LDT(pc);
++ load_LDT_nolock(pc);
+ if (!cpumask_equal(mm_cpumask(current->mm),
+ cpumask_of(smp_processor_id())))
+ smp_call_function(flush_ldt, current->mm, 1);
+ preempt_enable();
+ #else
+- load_LDT(pc);
++ load_LDT_nolock(pc);
+ #endif
+ }
+ if (oldsize) {
+@@ -94,7 +94,7 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old)
+ return err;
+
+ for (i = 0; i < old->size; i++)
+- write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE);
++ write_ldt_entry(new->ldt, i, old->ldt + i);
+ return 0;
+ }
+
+@@ -115,6 +115,24 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+ retval = copy_ldt(&mm->context, &old_mm->context);
+ mutex_unlock(&old_mm->context.lock);
+ }
++
++ if (tsk == current) {
++ mm->context.vdso = 0;
++
++#ifdef CONFIG_X86_32
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ mm->context.user_cs_base = 0UL;
++ mm->context.user_cs_limit = ~0UL;
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
++ cpus_clear(mm->context.cpu_user_cs_mask);
++#endif
++
++#endif
++#endif
++
++ }
++
+ return retval;
+ }
+
+@@ -229,6 +247,13 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
+ }
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) {
++ error = -EINVAL;
++ goto out_unlock;
++ }
++#endif
++
+ fill_ldt(&ldt, &ldt_info);
+ if (oldmode)
+ ldt.avl = 0;
+diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
+index 5b19e4d..6476a76 100644
+--- a/arch/x86/kernel/machine_kexec_32.c
++++ b/arch/x86/kernel/machine_kexec_32.c
+@@ -26,7 +26,7 @@
+ #include <asm/cacheflush.h>
+ #include <asm/debugreg.h>
+
+-static void set_idt(void *newidt, __u16 limit)
++static void set_idt(struct desc_struct *newidt, __u16 limit)
+ {
+ struct desc_ptr curidt;
+
+@@ -38,7 +38,7 @@ static void set_idt(void *newidt, __u16 limit)
+ }
+
+
+-static void set_gdt(void *newgdt, __u16 limit)
++static void set_gdt(struct desc_struct *newgdt, __u16 limit)
+ {
+ struct desc_ptr curgdt;
+
+@@ -216,7 +216,7 @@ void machine_kexec(struct kimage *image)
+ }
+
+ control_page = page_address(image->control_code_page);
+- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE);
++ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE);
+
+ relocate_kernel_ptr = control_page;
+ page_list[PA_CONTROL_PAGE] = __pa(control_page);
+diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
+index 0327e2b..e43737b 100644
+--- a/arch/x86/kernel/microcode_intel.c
++++ b/arch/x86/kernel/microcode_intel.c
+@@ -430,13 +430,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
+
+ static int get_ucode_user(void *to, const void *from, size_t n)
+ {
+- return copy_from_user(to, from, n);
++ return copy_from_user(to, (const void __force_user *)from, n);
+ }
+
+ static enum ucode_state
+ request_microcode_user(int cpu, const void __user *buf, size_t size)
+ {
+- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user);
++ return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user);
+ }
+
+ static void microcode_fini_cpu(int cpu)
+diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
+index 216a4d7..b328f09 100644
+--- a/arch/x86/kernel/module.c
++++ b/arch/x86/kernel/module.c
+@@ -43,15 +43,60 @@ do { \
+ } while (0)
+ #endif
+
+-void *module_alloc(unsigned long size)
++static inline void *__module_alloc(unsigned long size, pgprot_t prot)
+ {
+- if (PAGE_ALIGN(size) > MODULES_LEN)
++ if (size == 0 || PAGE_ALIGN(size) > MODULES_LEN)
+ return NULL;
+ return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
+- GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
++ GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, prot,
+ -1, __builtin_return_address(0));
+ }
+
++void *module_alloc(unsigned long size)
++{
++
++#ifdef CONFIG_PAX_KERNEXEC
++ return __module_alloc(size, PAGE_KERNEL);
++#else
++ return __module_alloc(size, PAGE_KERNEL_EXEC);
++#endif
++
++}
++
++#ifdef CONFIG_PAX_KERNEXEC
++#ifdef CONFIG_X86_32
++void *module_alloc_exec(unsigned long size)
++{
++ struct vm_struct *area;
++
++ if (size == 0)
++ return NULL;
++
++ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END);
++ return area ? area->addr : NULL;
++}
++EXPORT_SYMBOL(module_alloc_exec);
++
++void module_free_exec(struct module *mod, void *module_region)
++{
++ vunmap(module_region);
++}
++EXPORT_SYMBOL(module_free_exec);
++#else
++void module_free_exec(struct module *mod, void *module_region)
++{
++ module_free(mod, module_region);
++}
++EXPORT_SYMBOL(module_free_exec);
++
++void *module_alloc_exec(unsigned long size)
++{
++ return __module_alloc(size, PAGE_KERNEL_RX);
++}
++EXPORT_SYMBOL(module_alloc_exec);
++#endif
++#endif
++
+ #ifdef CONFIG_X86_32
+ int apply_relocate(Elf32_Shdr *sechdrs,
+ const char *strtab,
+@@ -62,14 +107,16 @@ int apply_relocate(Elf32_Shdr *sechdrs,
+ unsigned int i;
+ Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
+ Elf32_Sym *sym;
+- uint32_t *location;
++ uint32_t *plocation, location;
+
+ DEBUGP("Applying relocate section %u to %u\n",
+ relsec, sechdrs[relsec].sh_info);
+ for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
+ /* This is where to make the change */
+- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+- + rel[i].r_offset;
++ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset;
++ location = (uint32_t)plocation;
++ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR)
++ plocation = ktla_ktva((void *)plocation);
+ /* This is the symbol it is referring to. Note that all
+ undefined symbols have been resolved. */
+ sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
+@@ -78,11 +125,15 @@ int apply_relocate(Elf32_Shdr *sechdrs,
+ switch (ELF32_R_TYPE(rel[i].r_info)) {
+ case R_386_32:
+ /* We add the value into the location given */
+- *location += sym->st_value;
++ pax_open_kernel();
++ *plocation += sym->st_value;
++ pax_close_kernel();
+ break;
+ case R_386_PC32:
+ /* Add the value, subtract its position */
+- *location += sym->st_value - (uint32_t)location;
++ pax_open_kernel();
++ *plocation += sym->st_value - location;
++ pax_close_kernel();
+ break;
+ default:
+ pr_err("%s: Unknown relocation: %u\n",
+@@ -127,21 +178,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
+ case R_X86_64_NONE:
+ break;
+ case R_X86_64_64:
++ pax_open_kernel();
+ *(u64 *)loc = val;
++ pax_close_kernel();
+ break;
+ case R_X86_64_32:
++ pax_open_kernel();
+ *(u32 *)loc = val;
++ pax_close_kernel();
+ if (val != *(u32 *)loc)
+ goto overflow;
+ break;
+ case R_X86_64_32S:
++ pax_open_kernel();
+ *(s32 *)loc = val;
++ pax_close_kernel();
+ if ((s64)val != *(s32 *)loc)
+ goto overflow;
+ break;
+ case R_X86_64_PC32:
+ val -= (u64)loc;
++ pax_open_kernel();
+ *(u32 *)loc = val;
++ pax_close_kernel();
++
+ #if 0
+ if ((s64)val != *(s32 *)loc)
+ goto overflow;
+diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
+index f84f5c5..e27e54b 100644
+--- a/arch/x86/kernel/nmi.c
++++ b/arch/x86/kernel/nmi.c
+@@ -479,6 +479,17 @@ static inline void nmi_nesting_postprocess(void)
+ dotraplinkage notrace __kprobes void
+ do_nmi(struct pt_regs *regs, long error_code)
+ {
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (!user_mode(regs)) {
++ unsigned long cs = regs->cs & 0xFFFF;
++ unsigned long ip = ktva_ktla(regs->ip);
++
++ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext)
++ regs->ip = ip;
++ }
++#endif
++
+ nmi_nesting_preprocess(regs);
+
+ nmi_enter();
+diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
+index 676b8c7..870ba04 100644
+--- a/arch/x86/kernel/paravirt-spinlocks.c
++++ b/arch/x86/kernel/paravirt-spinlocks.c
+@@ -13,7 +13,7 @@ default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
+ arch_spin_lock(lock);
+ }
+
+-struct pv_lock_ops pv_lock_ops = {
++struct pv_lock_ops pv_lock_ops __read_only = {
+ #ifdef CONFIG_SMP
+ .spin_is_locked = __ticket_spin_is_locked,
+ .spin_is_contended = __ticket_spin_is_contended,
+diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
+index 17fff18..7bb2088 100644
+--- a/arch/x86/kernel/paravirt.c
++++ b/arch/x86/kernel/paravirt.c
+@@ -55,6 +55,9 @@ u64 _paravirt_ident_64(u64 x)
+ {
+ return x;
+ }
++#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
++PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64);
++#endif
+
+ void __init default_banner(void)
+ {
+@@ -147,15 +150,19 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
+ if (opfunc == NULL)
+ /* If there's no function, patch it with a ud2a (BUG) */
+ ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
+- else if (opfunc == _paravirt_nop)
++ else if (opfunc == (void *)_paravirt_nop)
+ /* If the operation is a nop, then nop the callsite */
+ ret = paravirt_patch_nop();
+
+ /* identity functions just return their single argument */
+- else if (opfunc == _paravirt_ident_32)
++ else if (opfunc == (void *)_paravirt_ident_32)
+ ret = paravirt_patch_ident_32(insnbuf, len);
+- else if (opfunc == _paravirt_ident_64)
++ else if (opfunc == (void *)_paravirt_ident_64)
+ ret = paravirt_patch_ident_64(insnbuf, len);
++#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
++ else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64)
++ ret = paravirt_patch_ident_64(insnbuf, len);
++#endif
+
+ else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
+ type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) ||
+@@ -180,7 +187,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
+ if (insn_len > len || start == NULL)
+ insn_len = len;
+ else
+- memcpy(insnbuf, start, insn_len);
++ memcpy(insnbuf, ktla_ktva(start), insn_len);
+
+ return insn_len;
+ }
+@@ -304,7 +311,7 @@ void arch_flush_lazy_mmu_mode(void)
+ preempt_enable();
+ }
+
+-struct pv_info pv_info = {
++struct pv_info pv_info __read_only = {
+ .name = "bare hardware",
+ .paravirt_enabled = 0,
+ .kernel_rpl = 0,
+@@ -315,16 +322,16 @@ struct pv_info pv_info = {
+ #endif
+ };
+
+-struct pv_init_ops pv_init_ops = {
++struct pv_init_ops pv_init_ops __read_only = {
+ .patch = native_patch,
+ };
+
+-struct pv_time_ops pv_time_ops = {
++struct pv_time_ops pv_time_ops __read_only = {
+ .sched_clock = native_sched_clock,
+ .steal_clock = native_steal_clock,
+ };
+
+-struct pv_irq_ops pv_irq_ops = {
++struct pv_irq_ops pv_irq_ops __read_only = {
+ .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
+ .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
+ .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
+@@ -336,7 +343,7 @@ struct pv_irq_ops pv_irq_ops = {
+ #endif
+ };
+
+-struct pv_cpu_ops pv_cpu_ops = {
++struct pv_cpu_ops pv_cpu_ops __read_only = {
+ .cpuid = native_cpuid,
+ .get_debugreg = native_get_debugreg,
+ .set_debugreg = native_set_debugreg,
+@@ -395,21 +402,26 @@ struct pv_cpu_ops pv_cpu_ops = {
+ .end_context_switch = paravirt_nop,
+ };
+
+-struct pv_apic_ops pv_apic_ops = {
++struct pv_apic_ops pv_apic_ops __read_only = {
+ #ifdef CONFIG_X86_LOCAL_APIC
+ .startup_ipi_hook = paravirt_nop,
+ #endif
+ };
+
+-#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
++#ifdef CONFIG_X86_32
++#ifdef CONFIG_X86_PAE
++/* 64-bit pagetable entries */
++#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64)
++#else
+ /* 32-bit pagetable entries */
+ #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32)
++#endif
+ #else
+ /* 64-bit pagetable entries */
+ #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64)
+ #endif
+
+-struct pv_mmu_ops pv_mmu_ops = {
++struct pv_mmu_ops pv_mmu_ops __read_only = {
+
+ .read_cr2 = native_read_cr2,
+ .write_cr2 = native_write_cr2,
+@@ -459,6 +471,7 @@ struct pv_mmu_ops pv_mmu_ops = {
+ .make_pud = PTE_IDENT,
+
+ .set_pgd = native_set_pgd,
++ .set_pgd_batched = native_set_pgd_batched,
+ #endif
+ #endif /* PAGETABLE_LEVELS >= 3 */
+
+@@ -478,6 +491,12 @@ struct pv_mmu_ops pv_mmu_ops = {
+ },
+
+ .set_fixmap = native_set_fixmap,
++
++#ifdef CONFIG_PAX_KERNEXEC
++ .pax_open_kernel = native_pax_open_kernel,
++ .pax_close_kernel = native_pax_close_kernel,
++#endif
++
+ };
+
+ EXPORT_SYMBOL_GPL(pv_time_ops);
+diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c
+index 35ccf75..7a15747 100644
+--- a/arch/x86/kernel/pci-iommu_table.c
++++ b/arch/x86/kernel/pci-iommu_table.c
+@@ -2,7 +2,7 @@
+ #include <asm/iommu_table.h>
+ #include <linux/string.h>
+ #include <linux/kallsyms.h>
+-
++#include <linux/sched.h>
+
+ #define DEBUG 1
+
+diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
+index ef6a845..8028ed3 100644
+--- a/arch/x86/kernel/process.c
++++ b/arch/x86/kernel/process.c
+@@ -36,7 +36,8 @@
+ * section. Since TSS's are completely CPU-local, we want them
+ * on exact cacheline boundaries, to eliminate cacheline ping-pong.
+ */
+-DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
++struct tss_struct init_tss[NR_CPUS] ____cacheline_internodealigned_in_smp = { [0 ... NR_CPUS-1] = INIT_TSS };
++EXPORT_SYMBOL(init_tss);
+
+ #ifdef CONFIG_X86_64
+ static DEFINE_PER_CPU(unsigned char, is_idle);
+@@ -94,7 +95,7 @@ void arch_task_cache_init(void)
+ task_xstate_cachep =
+ kmem_cache_create("task_xstate", xstate_size,
+ __alignof__(union thread_xstate),
+- SLAB_PANIC | SLAB_NOTRACK, NULL);
++ SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL);
+ }
+
+ static inline void drop_fpu(struct task_struct *tsk)
+@@ -117,7 +118,7 @@ void exit_thread(void)
+ unsigned long *bp = t->io_bitmap_ptr;
+
+ if (bp) {
+- struct tss_struct *tss = &per_cpu(init_tss, get_cpu());
++ struct tss_struct *tss = init_tss + get_cpu();
+
+ t->io_bitmap_ptr = NULL;
+ clear_thread_flag(TIF_IO_BITMAP);
+@@ -148,7 +149,7 @@ void show_regs_common(void)
+ board = dmi_get_system_info(DMI_BOARD_NAME);
+
+ printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s %s%s%s\n",
+- current->pid, current->comm, print_tainted(),
++ task_pid_nr(current), current->comm, print_tainted(),
+ init_utsname()->release,
+ (int)strcspn(init_utsname()->version, " "),
+ init_utsname()->version,
+@@ -161,6 +162,9 @@ void flush_thread(void)
+ {
+ struct task_struct *tsk = current;
+
++#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF)
++ loadsegment(gs, 0);
++#endif
+ flush_ptrace_hw_breakpoint(tsk);
+ memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
+ drop_fpu(tsk);
+@@ -318,10 +322,10 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+ regs.di = (unsigned long) arg;
+
+ #ifdef CONFIG_X86_32
+- regs.ds = __USER_DS;
+- regs.es = __USER_DS;
++ regs.ds = __KERNEL_DS;
++ regs.es = __KERNEL_DS;
+ regs.fs = __KERNEL_PERCPU;
+- regs.gs = __KERNEL_STACK_CANARY;
++ savesegment(gs, regs.gs);
+ #else
+ regs.ss = __KERNEL_DS;
+ #endif
+@@ -407,7 +411,7 @@ static void __exit_idle(void)
+ void exit_idle(void)
+ {
+ /* idle loop has pid 0 */
+- if (current->pid)
++ if (task_pid_nr(current))
+ return;
+ __exit_idle();
+ }
+@@ -516,7 +520,7 @@ bool set_pm_idle_to_default(void)
+
+ return ret;
+ }
+-void stop_this_cpu(void *dummy)
++__noreturn void stop_this_cpu(void *dummy)
+ {
+ local_irq_disable();
+ /*
+@@ -744,16 +748,37 @@ static int __init idle_setup(char *str)
+ }
+ early_param("idle", idle_setup);
+
+-unsigned long arch_align_stack(unsigned long sp)
++#ifdef CONFIG_PAX_RANDKSTACK
++void pax_randomize_kstack(struct pt_regs *regs)
+ {
+- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+- sp -= get_random_int() % 8192;
+- return sp & ~0xf;
+-}
++ struct thread_struct *thread = ¤t->thread;
++ unsigned long time;
+
+-unsigned long arch_randomize_brk(struct mm_struct *mm)
+-{
+- unsigned long range_end = mm->brk + 0x02000000;
+- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
+-}
++ if (!randomize_va_space)
++ return;
++
++ if (v8086_mode(regs))
++ return;
+
++ rdtscl(time);
++
++ /* P4 seems to return a 0 LSB, ignore it */
++#ifdef CONFIG_MPENTIUM4
++ time &= 0x3EUL;
++ time <<= 2;
++#elif defined(CONFIG_X86_64)
++ time &= 0xFUL;
++ time <<= 4;
++#else
++ time &= 0x1FUL;
++ time <<= 3;
++#endif
++
++ thread->sp0 ^= time;
++ load_sp0(init_tss + smp_processor_id(), thread);
++
++#ifdef CONFIG_X86_64
++ this_cpu_write(kernel_stack, thread->sp0);
++#endif
++}
++#endif
+diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
+index 516fa18..80bd9e6 100644
+--- a/arch/x86/kernel/process_32.c
++++ b/arch/x86/kernel/process_32.c
+@@ -64,6 +64,7 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
+ unsigned long thread_saved_pc(struct task_struct *tsk)
+ {
+ return ((unsigned long *)tsk->thread.sp)[3];
++//XXX return tsk->thread.eip;
+ }
+
+ void __show_regs(struct pt_regs *regs, int all)
+@@ -73,15 +74,14 @@ void __show_regs(struct pt_regs *regs, int all)
+ unsigned long sp;
+ unsigned short ss, gs;
+
+- if (user_mode_vm(regs)) {
++ if (user_mode(regs)) {
+ sp = regs->sp;
+ ss = regs->ss & 0xffff;
+- gs = get_user_gs(regs);
+ } else {
+ sp = kernel_stack_pointer(regs);
+ savesegment(ss, ss);
+- savesegment(gs, gs);
+ }
++ gs = get_user_gs(regs);
+
+ show_regs_common();
+
+@@ -134,13 +134,14 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
+ struct task_struct *tsk;
+ int err;
+
+- childregs = task_pt_regs(p);
++ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8;
+ *childregs = *regs;
+ childregs->ax = 0;
+ childregs->sp = sp;
+
+ p->thread.sp = (unsigned long) childregs;
+ p->thread.sp0 = (unsigned long) (childregs+1);
++ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p);
+
+ p->thread.ip = (unsigned long) ret_from_fork;
+
+@@ -231,7 +232,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+ struct thread_struct *prev = &prev_p->thread,
+ *next = &next_p->thread;
+ int cpu = smp_processor_id();
+- struct tss_struct *tss = &per_cpu(init_tss, cpu);
++ struct tss_struct *tss = init_tss + cpu;
+ fpu_switch_t fpu;
+
+ /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
+@@ -255,6 +256,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+ */
+ lazy_save_gs(prev->gs);
+
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(task_thread_info(next_p)->addr_limit);
++#endif
++
+ /*
+ * Load the per-thread Thread-Local Storage descriptor.
+ */
+@@ -285,6 +290,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+ */
+ arch_end_context_switch(next_p);
+
++ this_cpu_write(current_task, next_p);
++ this_cpu_write(current_tinfo, &next_p->tinfo);
++
+ /*
+ * Restore %gs if needed (which is common)
+ */
+@@ -293,8 +301,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+
+ switch_fpu_finish(next_p, fpu);
+
+- this_cpu_write(current_task, next_p);
+-
+ return prev_p;
+ }
+
+@@ -324,4 +330,3 @@ unsigned long get_wchan(struct task_struct *p)
+ } while (count++ < 16);
+ return 0;
+ }
+-
+diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
+index 0a980c9..1d0e689 100644
+--- a/arch/x86/kernel/process_64.c
++++ b/arch/x86/kernel/process_64.c
+@@ -153,8 +153,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
+ struct pt_regs *childregs;
+ struct task_struct *me = current;
+
+- childregs = ((struct pt_regs *)
+- (THREAD_SIZE + task_stack_page(p))) - 1;
++ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 16;
+ *childregs = *regs;
+
+ childregs->ax = 0;
+@@ -166,6 +165,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
+ p->thread.sp = (unsigned long) childregs;
+ p->thread.sp0 = (unsigned long) (childregs+1);
+ p->thread.usersp = me->thread.usersp;
++ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p);
+
+ set_tsk_thread_flag(p, TIF_FORK);
+
+@@ -271,7 +271,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+ struct thread_struct *prev = &prev_p->thread;
+ struct thread_struct *next = &next_p->thread;
+ int cpu = smp_processor_id();
+- struct tss_struct *tss = &per_cpu(init_tss, cpu);
++ struct tss_struct *tss = init_tss + cpu;
+ unsigned fsindex, gsindex;
+ fpu_switch_t fpu;
+
+@@ -353,10 +353,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
+ prev->usersp = this_cpu_read(old_rsp);
+ this_cpu_write(old_rsp, next->usersp);
+ this_cpu_write(current_task, next_p);
++ this_cpu_write(current_tinfo, &next_p->tinfo);
+
+- this_cpu_write(kernel_stack,
+- (unsigned long)task_stack_page(next_p) +
+- THREAD_SIZE - KERNEL_STACK_OFFSET);
++ this_cpu_write(kernel_stack, next->sp0);
+
+ /*
+ * Now maybe reload the debug registers and handle I/O bitmaps
+@@ -425,12 +424,11 @@ unsigned long get_wchan(struct task_struct *p)
+ if (!p || p == current || p->state == TASK_RUNNING)
+ return 0;
+ stack = (unsigned long)task_stack_page(p);
+- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
++ if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64))
+ return 0;
+ fp = *(u64 *)(p->thread.sp);
+ do {
+- if (fp < (unsigned long)stack ||
+- fp >= (unsigned long)stack+THREAD_SIZE)
++ if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64))
+ return 0;
+ ip = *(u64 *)(fp+8);
+ if (!in_sched_functions(ip))
+diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
+index c4c6a5c..905f440 100644
+--- a/arch/x86/kernel/ptrace.c
++++ b/arch/x86/kernel/ptrace.c
+@@ -824,7 +824,7 @@ long arch_ptrace(struct task_struct *child, long request,
+ unsigned long addr, unsigned long data)
+ {
+ int ret;
+- unsigned long __user *datap = (unsigned long __user *)data;
++ unsigned long __user *datap = (__force unsigned long __user *)data;
+
+ switch (request) {
+ /* read the word at location addr in the USER area. */
+@@ -909,14 +909,14 @@ long arch_ptrace(struct task_struct *child, long request,
+ if ((int) addr < 0)
+ return -EIO;
+ ret = do_get_thread_area(child, addr,
+- (struct user_desc __user *)data);
++ (__force struct user_desc __user *) data);
+ break;
+
+ case PTRACE_SET_THREAD_AREA:
+ if ((int) addr < 0)
+ return -EIO;
+ ret = do_set_thread_area(child, addr,
+- (struct user_desc __user *)data, 0);
++ (__force struct user_desc __user *) data, 0);
+ break;
+ #endif
+
+@@ -1426,7 +1426,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
+ memset(info, 0, sizeof(*info));
+ info->si_signo = SIGTRAP;
+ info->si_code = si_code;
+- info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL;
++ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL;
+ }
+
+ void user_single_step_siginfo(struct task_struct *tsk,
+@@ -1455,6 +1455,10 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
+ # define IS_IA32 0
+ #endif
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern void gr_delayed_cred_worker(void);
++#endif
++
+ /*
+ * We must return the syscall number to actually look up in the table.
+ * This can be -1L to skip running any syscall at all.
+@@ -1463,6 +1467,11 @@ long syscall_trace_enter(struct pt_regs *regs)
+ {
+ long ret = 0;
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ /*
+ * If we stepped into a sysenter/syscall insn, it trapped in
+ * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
+@@ -1511,6 +1520,11 @@ void syscall_trace_leave(struct pt_regs *regs)
+ {
+ bool step;
+
++#ifdef CONFIG_GRKERNSEC_SETXID
++ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
++ gr_delayed_cred_worker();
++#endif
++
+ audit_syscall_exit(regs);
+
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
+index 42eb330..139955c 100644
+--- a/arch/x86/kernel/pvclock.c
++++ b/arch/x86/kernel/pvclock.c
+@@ -81,11 +81,11 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src)
+ return pv_tsc_khz;
+ }
+
+-static atomic64_t last_value = ATOMIC64_INIT(0);
++static atomic64_unchecked_t last_value = ATOMIC64_INIT(0);
+
+ void pvclock_resume(void)
+ {
+- atomic64_set(&last_value, 0);
++ atomic64_set_unchecked(&last_value, 0);
+ }
+
+ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
+@@ -121,11 +121,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
+ * updating at the same time, and one of them could be slightly behind,
+ * making the assumption that last_value always go forward fail to hold.
+ */
+- last = atomic64_read(&last_value);
++ last = atomic64_read_unchecked(&last_value);
+ do {
+ if (ret < last)
+ return last;
+- last = atomic64_cmpxchg(&last_value, last, ret);
++ last = atomic64_cmpxchg_unchecked(&last_value, last, ret);
+ } while (unlikely(last != ret));
+
+ return ret;
+diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
+index 52190a9..8074389 100644
+--- a/arch/x86/kernel/reboot.c
++++ b/arch/x86/kernel/reboot.c
+@@ -36,7 +36,7 @@ void (*pm_power_off)(void);
+ EXPORT_SYMBOL(pm_power_off);
+
+ static const struct desc_ptr no_idt = {};
+-static int reboot_mode;
++static unsigned short reboot_mode;
+ enum reboot_type reboot_type = BOOT_ACPI;
+ int reboot_force;
+
+@@ -157,6 +157,11 @@ static int __init set_bios_reboot(const struct dmi_system_id *d)
+
+ void __noreturn machine_real_restart(unsigned int type)
+ {
++
++#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
++ struct desc_struct *gdt;
++#endif
++
+ local_irq_disable();
+
+ /*
+@@ -184,7 +189,29 @@ void __noreturn machine_real_restart(unsigned int type)
+
+ /* Jump to the identity-mapped low memory code */
+ #ifdef CONFIG_X86_32
+- asm volatile("jmpl *%0" : :
++
++#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
++ gdt = get_cpu_gdt_table(smp_processor_id());
++ pax_open_kernel();
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ gdt[GDT_ENTRY_KERNEL_DS].type = 3;
++ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
++ loadsegment(ds, __KERNEL_DS);
++ loadsegment(es, __KERNEL_DS);
++ loadsegment(ss, __KERNEL_DS);
++#endif
++#ifdef CONFIG_PAX_KERNEXEC
++ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0;
++ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0;
++ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0;
++ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff;
++ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf;
++ gdt[GDT_ENTRY_KERNEL_CS].g = 1;
++#endif
++ pax_close_kernel();
++#endif
++
++ asm volatile("ljmpl *%0" : :
+ "rm" (real_mode_header->machine_real_restart_asm),
+ "a" (type));
+ #else
+@@ -539,7 +566,7 @@ void __attribute__((weak)) mach_reboot_fixups(void)
+ * try to force a triple fault and then cycle between hitting the keyboard
+ * controller and doing that
+ */
+-static void native_machine_emergency_restart(void)
++static void __noreturn native_machine_emergency_restart(void)
+ {
+ int i;
+ int attempt = 0;
+@@ -662,13 +689,13 @@ void native_machine_shutdown(void)
+ #endif
+ }
+
+-static void __machine_emergency_restart(int emergency)
++static void __noreturn __machine_emergency_restart(int emergency)
+ {
+ reboot_emergency = emergency;
+ machine_ops.emergency_restart();
+ }
+
+-static void native_machine_restart(char *__unused)
++static void __noreturn native_machine_restart(char *__unused)
+ {
+ pr_notice("machine restart\n");
+
+@@ -677,7 +704,7 @@ static void native_machine_restart(char *__unused)
+ __machine_emergency_restart(0);
+ }
+
+-static void native_machine_halt(void)
++static void __noreturn native_machine_halt(void)
+ {
+ /* Stop other cpus and apics */
+ machine_shutdown();
+@@ -687,7 +714,7 @@ static void native_machine_halt(void)
+ stop_this_cpu(NULL);
+ }
+
+-static void native_machine_power_off(void)
++static void __noreturn native_machine_power_off(void)
+ {
+ if (pm_power_off) {
+ if (!reboot_force)
+@@ -696,6 +723,7 @@ static void native_machine_power_off(void)
+ }
+ /* A fallback in case there is no PM info available */
+ tboot_shutdown(TB_SHUTDOWN_HALT);
++ unreachable();
+ }
+
+ struct machine_ops machine_ops = {
+diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
+index 7a6f3b3..bed145d7 100644
+--- a/arch/x86/kernel/relocate_kernel_64.S
++++ b/arch/x86/kernel/relocate_kernel_64.S
+@@ -11,6 +11,7 @@
+ #include <asm/kexec.h>
+ #include <asm/processor-flags.h>
+ #include <asm/pgtable_types.h>
++#include <asm/alternative-asm.h>
+
+ /*
+ * Must be relocatable PIC code callable as a C function
+@@ -160,13 +161,14 @@ identity_mapped:
+ xorq %rbp, %rbp
+ xorq %r8, %r8
+ xorq %r9, %r9
+- xorq %r10, %r9
++ xorq %r10, %r10
+ xorq %r11, %r11
+ xorq %r12, %r12
+ xorq %r13, %r13
+ xorq %r14, %r14
+ xorq %r15, %r15
+
++ pax_force_retaddr 0, 1
+ ret
+
+ 1:
+diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
+index 5cee802..bc22bc3 100644
+--- a/arch/x86/kernel/setup.c
++++ b/arch/x86/kernel/setup.c
+@@ -440,7 +440,7 @@ static void __init parse_setup_data(void)
+
+ switch (data->type) {
+ case SETUP_E820_EXT:
+- parse_e820_ext(data);
++ parse_e820_ext((struct setup_data __force_kernel *)data);
+ break;
+ case SETUP_DTB:
+ add_dtb(pa_data);
+@@ -632,7 +632,7 @@ static void __init trim_bios_range(void)
+ * area (640->1Mb) as ram even though it is not.
+ * take them out.
+ */
+- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
++ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1);
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+ }
+
+@@ -755,14 +755,14 @@ void __init setup_arch(char **cmdline_p)
+
+ if (!boot_params.hdr.root_flags)
+ root_mountflags &= ~MS_RDONLY;
+- init_mm.start_code = (unsigned long) _text;
+- init_mm.end_code = (unsigned long) _etext;
++ init_mm.start_code = ktla_ktva((unsigned long) _text);
++ init_mm.end_code = ktla_ktva((unsigned long) _etext);
+ init_mm.end_data = (unsigned long) _edata;
+ init_mm.brk = _brk_end;
+
+- code_resource.start = virt_to_phys(_text);
+- code_resource.end = virt_to_phys(_etext)-1;
+- data_resource.start = virt_to_phys(_etext);
++ code_resource.start = virt_to_phys(ktla_ktva(_text));
++ code_resource.end = virt_to_phys(ktla_ktva(_etext))-1;
++ data_resource.start = virt_to_phys(_sdata);
+ data_resource.end = virt_to_phys(_edata)-1;
+ bss_resource.start = virt_to_phys(&__bss_start);
+ bss_resource.end = virt_to_phys(&__bss_stop)-1;
+diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
+index 5cdff03..5810740 100644
+--- a/arch/x86/kernel/setup_percpu.c
++++ b/arch/x86/kernel/setup_percpu.c
+@@ -21,19 +21,17 @@
+ #include <asm/cpu.h>
+ #include <asm/stackprotector.h>
+
+-DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number);
++#ifdef CONFIG_SMP
++DEFINE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number);
+ EXPORT_PER_CPU_SYMBOL(cpu_number);
++#endif
+
+-#ifdef CONFIG_X86_64
+ #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load)
+-#else
+-#define BOOT_PERCPU_OFFSET 0
+-#endif
+
+ DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET;
+ EXPORT_PER_CPU_SYMBOL(this_cpu_off);
+
+-unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = {
++unsigned long __per_cpu_offset[NR_CPUS] __read_only = {
+ [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET,
+ };
+ EXPORT_SYMBOL(__per_cpu_offset);
+@@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu)
+ {
+ #ifdef CONFIG_X86_32
+ struct desc_struct gdt;
++ unsigned long base = per_cpu_offset(cpu);
+
+- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF,
+- 0x2 | DESCTYPE_S, 0x8);
+- gdt.s = 1;
++ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT,
++ 0x83 | DESCTYPE_S, 0xC);
+ write_gdt_entry(get_cpu_gdt_table(cpu),
+ GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
+ #endif
+@@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void)
+ /* alrighty, percpu areas up and running */
+ delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start;
+ for_each_possible_cpu(cpu) {
++#ifdef CONFIG_CC_STACKPROTECTOR
++#ifdef CONFIG_X86_32
++ unsigned long canary = per_cpu(stack_canary.canary, cpu);
++#endif
++#endif
+ per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu];
+ per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu);
+ per_cpu(cpu_number, cpu) = cpu;
+@@ -259,6 +262,12 @@ void __init setup_per_cpu_areas(void)
+ */
+ set_cpu_numa_node(cpu, early_cpu_to_node(cpu));
+ #endif
++#ifdef CONFIG_CC_STACKPROTECTOR
++#ifdef CONFIG_X86_32
++ if (!cpu)
++ per_cpu(stack_canary.canary, cpu) = canary;
++#endif
++#endif
+ /*
+ * Up to this point, the boot CPU has been using .init.data
+ * area. Reload any changed state for the boot CPU.
+diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
+index b280908..6de349e 100644
+--- a/arch/x86/kernel/signal.c
++++ b/arch/x86/kernel/signal.c
+@@ -194,7 +194,7 @@ static unsigned long align_sigframe(unsigned long sp)
+ * Align the stack pointer according to the i386 ABI,
+ * i.e. so that on function entry ((sp + 4) & 15) == 0.
+ */
+- sp = ((sp + 4) & -16ul) - 4;
++ sp = ((sp - 12) & -16ul) - 4;
+ #else /* !CONFIG_X86_32 */
+ sp = round_down(sp, 16) - 8;
+ #endif
+@@ -245,11 +245,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
+ * Return an always-bogus address instead so we will die with SIGSEGV.
+ */
+ if (onsigstack && !likely(on_sig_stack(sp)))
+- return (void __user *)-1L;
++ return (__force void __user *)-1L;
+
+ /* save i387 state */
+ if (used_math() && save_i387_xstate(*fpstate) < 0)
+- return (void __user *)-1L;
++ return (__force void __user *)-1L;
+
+ return (void __user *)sp;
+ }
+@@ -304,9 +304,9 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
+ }
+
+ if (current->mm->context.vdso)
+- restorer = VDSO32_SYMBOL(current->mm->context.vdso, sigreturn);
++ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, sigreturn);
+ else
+- restorer = &frame->retcode;
++ restorer = (void __user *)&frame->retcode;
+ if (ka->sa.sa_flags & SA_RESTORER)
+ restorer = ka->sa.sa_restorer;
+
+@@ -320,7 +320,7 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
+ * reasons and because gdb uses it as a signature to notice
+ * signal handler stack frames.
+ */
+- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode);
++ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode);
+
+ if (err)
+ return -EFAULT;
+@@ -374,7 +374,10 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+ err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
+
+ /* Set up to return from userspace. */
+- restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
++ if (current->mm->context.vdso)
++ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
++ else
++ restorer = (void __user *)&frame->retcode;
+ if (ka->sa.sa_flags & SA_RESTORER)
+ restorer = ka->sa.sa_restorer;
+ put_user_ex(restorer, &frame->pretcode);
+@@ -386,7 +389,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+ * reasons and because gdb uses it as a signature to notice
+ * signal handler stack frames.
+ */
+- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode);
++ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode);
+ } put_user_catch(err);
+
+ if (err)
+diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
+index 7c5a8c3..88d422f 100644
+--- a/arch/x86/kernel/smpboot.c
++++ b/arch/x86/kernel/smpboot.c
+@@ -670,6 +670,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
+ idle->thread.sp = (unsigned long) (((struct pt_regs *)
+ (THREAD_SIZE + task_stack_page(idle))) - 1);
+ per_cpu(current_task, cpu) = idle;
++ per_cpu(current_tinfo, cpu) = &idle->tinfo;
+
+ #ifdef CONFIG_X86_32
+ /* Stack for startup_32 can be just as for start_secondary onwards */
+@@ -677,11 +678,13 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
+ #else
+ clear_tsk_thread_flag(idle, TIF_FORK);
+ initial_gs = per_cpu_offset(cpu);
+- per_cpu(kernel_stack, cpu) =
+- (unsigned long)task_stack_page(idle) -
+- KERNEL_STACK_OFFSET + THREAD_SIZE;
++ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
+ #endif
++
++ pax_open_kernel();
+ early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
++ pax_close_kernel();
++
+ initial_code = (unsigned long)start_secondary;
+ stack_start = idle->thread.sp;
+
+@@ -817,6 +820,12 @@ int __cpuinit native_cpu_up(unsigned int cpu, struct task_struct *tidle)
+
+ per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ clone_pgd_range(get_cpu_pgd(cpu) + KERNEL_PGD_BOUNDARY,
++ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
++ KERNEL_PGD_PTRS);
++#endif
++
+ err = do_boot_cpu(apicid, cpu, tidle);
+ if (err) {
+ pr_debug("do_boot_cpu failed %d\n", err);
+diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
+index c346d11..d43b163 100644
+--- a/arch/x86/kernel/step.c
++++ b/arch/x86/kernel/step.c
+@@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
+ struct desc_struct *desc;
+ unsigned long base;
+
+- seg &= ~7UL;
++ seg >>= 3;
+
+ mutex_lock(&child->mm->context.lock);
+- if (unlikely((seg >> 3) >= child->mm->context.size))
++ if (unlikely(seg >= child->mm->context.size))
+ addr = -1L; /* bogus selector, access would fault */
+ else {
+ desc = child->mm->context.ldt + seg;
+@@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
+ addr += base;
+ }
+ mutex_unlock(&child->mm->context.lock);
+- }
++ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS)
++ addr = ktla_ktva(addr);
+
+ return addr;
+ }
+@@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
+ unsigned char opcode[15];
+ unsigned long addr = convert_ip_to_linear(child, regs);
+
++ if (addr == -EINVAL)
++ return 0;
++
+ copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0);
+ for (i = 0; i < copied; i++) {
+ switch (opcode[i]) {
+diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
+index 0b0cb5f..db6b9ed 100644
+--- a/arch/x86/kernel/sys_i386_32.c
++++ b/arch/x86/kernel/sys_i386_32.c
+@@ -24,17 +24,224 @@
+
+ #include <asm/syscalls.h>
+
+-/*
+- * Do a system call from kernel instead of calling sys_execve so we
+- * end up with proper pt_regs.
+- */
+-int kernel_execve(const char *filename,
+- const char *const argv[],
+- const char *const envp[])
++int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+ {
+- long __res;
+- asm volatile ("int $0x80"
+- : "=a" (__res)
+- : "0" (__NR_execve), "b" (filename), "c" (argv), "d" (envp) : "memory");
+- return __res;
++ unsigned long pax_task_size = TASK_SIZE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ if (len > pax_task_size || addr > pax_task_size - len)
++ return -EINVAL;
++
++ return 0;
++}
++
++unsigned long
++arch_get_unmapped_area(struct file *filp, unsigned long addr,
++ unsigned long len, unsigned long pgoff, unsigned long flags)
++{
++ struct mm_struct *mm = current->mm;
++ struct vm_area_struct *vma;
++ unsigned long start_addr, pax_task_size = TASK_SIZE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
++
++ if (len > pax_task_size)
++ return -ENOMEM;
++
++ if (flags & MAP_FIXED)
++ return addr;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
++ if (addr) {
++ addr = PAGE_ALIGN(addr);
++ if (pax_task_size - len >= addr) {
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ return addr;
++ }
++ }
++ if (len > mm->cached_hole_size) {
++ start_addr = addr = mm->free_area_cache;
++ } else {
++ start_addr = addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
++ }
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE) && start_addr >= mm->mmap_base) {
++ start_addr = 0x00110000UL;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ start_addr += mm->delta_mmap & 0x03FFF000UL;
++#endif
++
++ if (mm->start_brk <= start_addr && start_addr < mm->mmap_base)
++ start_addr = addr = mm->mmap_base;
++ else
++ addr = start_addr;
++ }
++#endif
++
++full_search:
++ for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
++ /* At this point: (!vma || addr < vma->vm_end). */
++ if (pax_task_size - len < addr) {
++ /*
++ * Start a new search - just in case we missed
++ * some holes.
++ */
++ if (start_addr != mm->mmap_base) {
++ start_addr = addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
++ goto full_search;
++ }
++ return -ENOMEM;
++ }
++ if (check_heap_stack_gap(vma, addr, len))
++ break;
++ if (addr + mm->cached_hole_size < vma->vm_start)
++ mm->cached_hole_size = vma->vm_start - addr;
++ addr = vma->vm_end;
++ if (mm->start_brk <= addr && addr < mm->mmap_base) {
++ start_addr = addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
++ goto full_search;
++ }
++ }
++
++ /*
++ * Remember the place where we stopped the search:
++ */
++ mm->free_area_cache = addr + len;
++ return addr;
++}
++
++unsigned long
++arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
++ const unsigned long len, const unsigned long pgoff,
++ const unsigned long flags)
++{
++ struct vm_area_struct *vma;
++ struct mm_struct *mm = current->mm;
++ unsigned long base = mm->mmap_base, addr = addr0, pax_task_size = TASK_SIZE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
++
++ /* requested length too big for entire address space */
++ if (len > pax_task_size)
++ return -ENOMEM;
++
++ if (flags & MAP_FIXED)
++ return addr;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE))
++ goto bottomup;
++#endif
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
++ /* requesting a specific address */
++ if (addr) {
++ addr = PAGE_ALIGN(addr);
++ if (pax_task_size - len >= addr) {
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ return addr;
++ }
++ }
++
++ /* check if free_area_cache is useful for us */
++ if (len <= mm->cached_hole_size) {
++ mm->cached_hole_size = 0;
++ mm->free_area_cache = mm->mmap_base;
++ }
++
++ /* either no address requested or can't fit in requested address hole */
++ addr = mm->free_area_cache;
++
++ /* make sure it can fit in the remaining address space */
++ if (addr > len) {
++ vma = find_vma(mm, addr-len);
++ if (check_heap_stack_gap(vma, addr - len, len))
++ /* remember the address as a hint for next time */
++ return (mm->free_area_cache = addr-len);
++ }
++
++ if (mm->mmap_base < len)
++ goto bottomup;
++
++ addr = mm->mmap_base-len;
++
++ do {
++ /*
++ * Lookup failure means no vma is above this address,
++ * else if new region fits below vma->vm_start,
++ * return with success:
++ */
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ /* remember the address as a hint for next time */
++ return (mm->free_area_cache = addr);
++
++ /* remember the largest hole we saw so far */
++ if (addr + mm->cached_hole_size < vma->vm_start)
++ mm->cached_hole_size = vma->vm_start - addr;
++
++ /* try just below the current vma->vm_start */
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
++
++bottomup:
++ /*
++ * A failed mmap() very likely causes application failure,
++ * so fall back to the bottom-up function here. This scenario
++ * can happen with large stack limits and large mmap()
++ * allocations.
++ */
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE;
++ else
++#endif
++
++ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
++ mm->free_area_cache = mm->mmap_base;
++ mm->cached_hole_size = ~0UL;
++ addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
++ /*
++ * Restore the topdown base:
++ */
++ mm->mmap_base = base;
++ mm->free_area_cache = base;
++ mm->cached_hole_size = ~0UL;
++
++ return addr;
+ }
+diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
+index b4d3c39..82bb73b 100644
+--- a/arch/x86/kernel/sys_x86_64.c
++++ b/arch/x86/kernel/sys_x86_64.c
+@@ -95,8 +95,8 @@ out:
+ return error;
+ }
+
+-static void find_start_end(unsigned long flags, unsigned long *begin,
+- unsigned long *end)
++static void find_start_end(struct mm_struct *mm, unsigned long flags,
++ unsigned long *begin, unsigned long *end)
+ {
+ if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) {
+ unsigned long new_begin;
+@@ -115,7 +115,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
+ *begin = new_begin;
+ }
+ } else {
+- *begin = TASK_UNMAPPED_BASE;
++ *begin = mm->mmap_base;
+ *end = TASK_SIZE;
+ }
+ }
+@@ -132,16 +132,19 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ if (flags & MAP_FIXED)
+ return addr;
+
+- find_start_end(flags, &begin, &end);
++ find_start_end(mm, flags, &begin, &end);
+
+ if (len > end)
+ return -ENOMEM;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ addr = PAGE_ALIGN(addr);
+ vma = find_vma(mm, addr);
+- if (end - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (end - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+ if (((flags & MAP_32BIT) || test_thread_flag(TIF_ADDR32))
+@@ -172,7 +175,7 @@ full_search:
+ }
+ return -ENOMEM;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /*
+ * Remember the place where we stopped the search:
+ */
+@@ -195,7 +198,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ {
+ struct vm_area_struct *vma;
+ struct mm_struct *mm = current->mm;
+- unsigned long addr = addr0, start_addr;
++ unsigned long base = mm->mmap_base, addr = addr0, start_addr;
+
+ /* requested length too big for entire address space */
+ if (len > TASK_SIZE)
+@@ -208,13 +211,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT))
+ goto bottomup;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ /* requesting a specific address */
+ if (addr) {
+ addr = PAGE_ALIGN(addr);
+- vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
+- return addr;
++ if (TASK_SIZE - len >= addr) {
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ return addr;
++ }
+ }
+
+ /* check if free_area_cache is useful for us */
+@@ -240,7 +248,7 @@ try_again:
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (!vma || addr+len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ /* remember the address as a hint for next time */
+ return mm->free_area_cache = addr;
+
+@@ -249,8 +257,8 @@ try_again:
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = vma->vm_start-len;
+- } while (len < vma->vm_start);
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ fail:
+ /*
+@@ -270,13 +278,21 @@ bottomup:
+ * can happen with large stack limits and large mmap()
+ * allocations.
+ */
++ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
++ mm->free_area_cache = mm->mmap_base;
+ mm->cached_hole_size = ~0UL;
+- mm->free_area_cache = TASK_UNMAPPED_BASE;
+ addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
+ /*
+ * Restore the topdown base:
+ */
+- mm->free_area_cache = mm->mmap_base;
++ mm->mmap_base = base;
++ mm->free_area_cache = base;
+ mm->cached_hole_size = ~0UL;
+
+ return addr;
+diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
+index f84fe00..93fe08f 100644
+--- a/arch/x86/kernel/tboot.c
++++ b/arch/x86/kernel/tboot.c
+@@ -220,7 +220,7 @@ static int tboot_setup_sleep(void)
+
+ void tboot_shutdown(u32 shutdown_type)
+ {
+- void (*shutdown)(void);
++ void (* __noreturn shutdown)(void);
+
+ if (!tboot_enabled())
+ return;
+@@ -242,7 +242,7 @@ void tboot_shutdown(u32 shutdown_type)
+
+ switch_to_tboot_pt();
+
+- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry;
++ shutdown = (void *)tboot->shutdown_entry;
+ shutdown();
+
+ /* should not reach here */
+@@ -300,7 +300,7 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
+ return 0;
+ }
+
+-static atomic_t ap_wfs_count;
++static atomic_unchecked_t ap_wfs_count;
+
+ static int tboot_wait_for_aps(int num_aps)
+ {
+@@ -324,9 +324,9 @@ static int __cpuinit tboot_cpu_callback(struct notifier_block *nfb,
+ {
+ switch (action) {
+ case CPU_DYING:
+- atomic_inc(&ap_wfs_count);
++ atomic_inc_unchecked(&ap_wfs_count);
+ if (num_online_cpus() == 1)
+- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count)))
++ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count)))
+ return NOTIFY_BAD;
+ break;
+ }
+@@ -345,7 +345,7 @@ static __init int tboot_late_init(void)
+
+ tboot_create_trampoline();
+
+- atomic_set(&ap_wfs_count, 0);
++ atomic_set_unchecked(&ap_wfs_count, 0);
+ register_hotcpu_notifier(&tboot_cpu_notifier);
+
+ acpi_os_set_prepare_sleep(&tboot_sleep);
+diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
+index 24d3c91..d06b473 100644
+--- a/arch/x86/kernel/time.c
++++ b/arch/x86/kernel/time.c
+@@ -30,9 +30,9 @@ unsigned long profile_pc(struct pt_regs *regs)
+ {
+ unsigned long pc = instruction_pointer(regs);
+
+- if (!user_mode_vm(regs) && in_lock_functions(pc)) {
++ if (!user_mode(regs) && in_lock_functions(pc)) {
+ #ifdef CONFIG_FRAME_POINTER
+- return *(unsigned long *)(regs->bp + sizeof(long));
++ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long)));
+ #else
+ unsigned long *sp =
+ (unsigned long *)kernel_stack_pointer(regs);
+@@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs)
+ * or above a saved flags. Eflags has bits 22-31 zero,
+ * kernel addresses don't.
+ */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ return ktla_ktva(sp[0]);
++#else
+ if (sp[0] >> 22)
+ return sp[0];
+ if (sp[1] >> 22)
+ return sp[1];
+ #endif
++
++#endif
+ }
+ return pc;
+ }
+diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
+index 9d9d2f9..cad418a 100644
+--- a/arch/x86/kernel/tls.c
++++ b/arch/x86/kernel/tls.c
+@@ -84,6 +84,11 @@ int do_set_thread_area(struct task_struct *p, int idx,
+ if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
+ return -EINVAL;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE))
++ return -EINVAL;
++#endif
++
+ set_tls_desc(p, idx, &info, 1);
+
+ return 0;
+@@ -204,7 +209,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset,
+
+ if (kbuf)
+ info = kbuf;
+- else if (__copy_from_user(infobuf, ubuf, count))
++ else if (count > sizeof infobuf || __copy_from_user(infobuf, ubuf, count))
+ return -EFAULT;
+ else
+ info = infobuf;
+diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
+index b481341..5918bbe 100644
+--- a/arch/x86/kernel/traps.c
++++ b/arch/x86/kernel/traps.c
+@@ -70,12 +70,6 @@ asmlinkage int system_call(void);
+
+ /* Do we ignore FPU interrupts ? */
+ char ignore_fpu_irq;
+-
+-/*
+- * The IDT has to be page-aligned to simplify the Pentium
+- * F0 0F bug workaround.
+- */
+-gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, };
+ #endif
+
+ DECLARE_BITMAP(used_vectors, NR_VECTORS);
+@@ -108,13 +102,13 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
+ }
+
+ static void __kprobes
+-do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
++do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs,
+ long error_code, siginfo_t *info)
+ {
+ struct task_struct *tsk = current;
+
+ #ifdef CONFIG_X86_32
+- if (regs->flags & X86_VM_MASK) {
++ if (v8086_mode(regs)) {
+ /*
+ * traps 0, 1, 3, 4, and 5 should be forwarded to vm86.
+ * On nmi (interrupt 2), do_trap should not be called.
+@@ -125,7 +119,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
+ }
+ #endif
+
+- if (!user_mode(regs))
++ if (!user_mode_novm(regs))
+ goto kernel_trap;
+
+ #ifdef CONFIG_X86_32
+@@ -147,7 +141,7 @@ trap_signal:
+ if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
+ printk_ratelimit()) {
+ pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx",
+- tsk->comm, tsk->pid, str,
++ tsk->comm, task_pid_nr(tsk), str,
+ regs->ip, regs->sp, error_code);
+ print_vma_addr(" in ", regs->ip);
+ pr_cont("\n");
+@@ -164,8 +158,20 @@ kernel_trap:
+ if (!fixup_exception(regs)) {
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_nr = trapnr;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (trapnr == 12 && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS))
++ str = "PAX: suspicious stack segment fault";
++#endif
++
+ die(str, regs, error_code);
+ }
++
++#ifdef CONFIG_PAX_REFCOUNT
++ if (trapnr == 4)
++ pax_report_refcount_overflow(regs);
++#endif
++
+ return;
+
+ #ifdef CONFIG_X86_32
+@@ -258,14 +264,30 @@ do_general_protection(struct pt_regs *regs, long error_code)
+ conditional_sti(regs);
+
+ #ifdef CONFIG_X86_32
+- if (regs->flags & X86_VM_MASK)
++ if (v8086_mode(regs))
+ goto gp_in_vm86;
+ #endif
+
+ tsk = current;
+- if (!user_mode(regs))
++ if (!user_mode_novm(regs))
+ goto gp_in_kernel;
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
++ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) {
++ struct mm_struct *mm = tsk->mm;
++ unsigned long limit;
++
++ down_write(&mm->mmap_sem);
++ limit = mm->context.user_cs_limit;
++ if (limit < TASK_SIZE) {
++ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC);
++ up_write(&mm->mmap_sem);
++ return;
++ }
++ up_write(&mm->mmap_sem);
++ }
++#endif
++
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_nr = X86_TRAP_GP;
+
+@@ -297,6 +319,13 @@ gp_in_kernel:
+ if (notify_die(DIE_GPF, "general protection fault", regs, error_code,
+ X86_TRAP_GP, SIGSEGV) == NOTIFY_STOP)
+ return;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)
++ die("PAX: suspicious general protection fault", regs, error_code);
++ else
++#endif
++
+ die("general protection fault", regs, error_code);
+ }
+
+@@ -432,7 +461,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
+ /* It's safe to allow irq's after DR6 has been saved */
+ preempt_conditional_sti(regs);
+
+- if (regs->flags & X86_VM_MASK) {
++ if (v8086_mode(regs)) {
+ handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code,
+ X86_TRAP_DB);
+ preempt_conditional_cli(regs);
+@@ -447,7 +476,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
+ * We already checked v86 mode above, so we can check for kernel mode
+ * by just checking the CPL of CS.
+ */
+- if ((dr6 & DR_STEP) && !user_mode(regs)) {
++ if ((dr6 & DR_STEP) && !user_mode_novm(regs)) {
+ tsk->thread.debugreg6 &= ~DR_STEP;
+ set_tsk_thread_flag(tsk, TIF_SINGLESTEP);
+ regs->flags &= ~X86_EFLAGS_TF;
+@@ -478,7 +507,7 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
+ return;
+ conditional_sti(regs);
+
+- if (!user_mode_vm(regs))
++ if (!user_mode(regs))
+ {
+ if (!fixup_exception(regs)) {
+ task->thread.error_code = error_code;
+diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
+index 36fd420..7e5892d 100644
+--- a/arch/x86/kernel/uprobes.c
++++ b/arch/x86/kernel/uprobes.c
+@@ -607,7 +607,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
+ int ret = NOTIFY_DONE;
+
+ /* We are only interested in userspace traps */
+- if (regs && !user_mode_vm(regs))
++ if (regs && !user_mode(regs))
+ return NOTIFY_DONE;
+
+ switch (val) {
+diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
+index b9242ba..50c5edd 100644
+--- a/arch/x86/kernel/verify_cpu.S
++++ b/arch/x86/kernel/verify_cpu.S
+@@ -20,6 +20,7 @@
+ * arch/x86/boot/compressed/head_64.S: Boot cpu verification
+ * arch/x86/kernel/trampoline_64.S: secondary processor verification
+ * arch/x86/kernel/head_32.S: processor startup
++ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume
+ *
+ * verify_cpu, returns the status of longmode and SSE in register %eax.
+ * 0: Success 1: Failure
+diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
+index 54abcc0..eb6c848 100644
+--- a/arch/x86/kernel/vm86_32.c
++++ b/arch/x86/kernel/vm86_32.c
+@@ -43,6 +43,7 @@
+ #include <linux/ptrace.h>
+ #include <linux/audit.h>
+ #include <linux/stddef.h>
++#include <linux/grsecurity.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
+@@ -150,7 +151,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs)
+ do_exit(SIGSEGV);
+ }
+
+- tss = &per_cpu(init_tss, get_cpu());
++ tss = init_tss + get_cpu();
+ current->thread.sp0 = current->thread.saved_sp0;
+ current->thread.sysenter_cs = __KERNEL_CS;
+ load_sp0(tss, ¤t->thread);
+@@ -212,6 +213,13 @@ int sys_vm86old(struct vm86_struct __user *v86, struct pt_regs *regs)
+ struct task_struct *tsk;
+ int tmp, ret = -EPERM;
+
++#ifdef CONFIG_GRKERNSEC_VM86
++ if (!capable(CAP_SYS_RAWIO)) {
++ gr_handle_vm86();
++ goto out;
++ }
++#endif
++
+ tsk = current;
+ if (tsk->thread.saved_sp0)
+ goto out;
+@@ -242,6 +250,14 @@ int sys_vm86(unsigned long cmd, unsigned long arg, struct pt_regs *regs)
+ int tmp, ret;
+ struct vm86plus_struct __user *v86;
+
++#ifdef CONFIG_GRKERNSEC_VM86
++ if (!capable(CAP_SYS_RAWIO)) {
++ gr_handle_vm86();
++ ret = -EPERM;
++ goto out;
++ }
++#endif
++
+ tsk = current;
+ switch (cmd) {
+ case VM86_REQUEST_IRQ:
+@@ -328,7 +344,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
+ tsk->thread.saved_fs = info->regs32->fs;
+ tsk->thread.saved_gs = get_user_gs(info->regs32);
+
+- tss = &per_cpu(init_tss, get_cpu());
++ tss = init_tss + get_cpu();
+ tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0;
+ if (cpu_has_sep)
+ tsk->thread.sysenter_cs = 0;
+@@ -535,7 +551,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i,
+ goto cannot_handle;
+ if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored))
+ goto cannot_handle;
+- intr_ptr = (unsigned long __user *) (i << 2);
++ intr_ptr = (__force unsigned long __user *) (i << 2);
+ if (get_user(segoffs, intr_ptr))
+ goto cannot_handle;
+ if ((segoffs >> 16) == BIOSSEG)
+diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
+index 22a1530..8fbaaad 100644
+--- a/arch/x86/kernel/vmlinux.lds.S
++++ b/arch/x86/kernel/vmlinux.lds.S
+@@ -26,6 +26,13 @@
+ #include <asm/page_types.h>
+ #include <asm/cache.h>
+ #include <asm/boot.h>
++#include <asm/segment.h>
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR)
++#else
++#define __KERNEL_TEXT_OFFSET 0
++#endif
+
+ #undef i386 /* in case the preprocessor is a 32bit one */
+
+@@ -69,30 +76,43 @@ jiffies_64 = jiffies;
+
+ PHDRS {
+ text PT_LOAD FLAGS(5); /* R_E */
++#ifdef CONFIG_X86_32
++ module PT_LOAD FLAGS(5); /* R_E */
++#endif
++#ifdef CONFIG_XEN
++ rodata PT_LOAD FLAGS(5); /* R_E */
++#else
++ rodata PT_LOAD FLAGS(4); /* R__ */
++#endif
+ data PT_LOAD FLAGS(6); /* RW_ */
+-#ifdef CONFIG_X86_64
++ init.begin PT_LOAD FLAGS(6); /* RW_ */
+ #ifdef CONFIG_SMP
+ percpu PT_LOAD FLAGS(6); /* RW_ */
+ #endif
++ text.init PT_LOAD FLAGS(5); /* R_E */
++ text.exit PT_LOAD FLAGS(5); /* R_E */
+ init PT_LOAD FLAGS(7); /* RWE */
+-#endif
+ note PT_NOTE FLAGS(0); /* ___ */
+ }
+
+ SECTIONS
+ {
+ #ifdef CONFIG_X86_32
+- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
+- phys_startup_32 = startup_32 - LOAD_OFFSET;
++ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR;
+ #else
+- . = __START_KERNEL;
+- phys_startup_64 = startup_64 - LOAD_OFFSET;
++ . = __START_KERNEL;
+ #endif
+
+ /* Text and read-only data */
+- .text : AT(ADDR(.text) - LOAD_OFFSET) {
+- _text = .;
++ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
+ /* bootstrapping code */
++#ifdef CONFIG_X86_32
++ phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
++#else
++ phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
++#endif
++ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
++ _text = .;
+ HEAD_TEXT
+ #ifdef CONFIG_X86_32
+ . = ALIGN(PAGE_SIZE);
+@@ -108,13 +128,48 @@ SECTIONS
+ IRQENTRY_TEXT
+ *(.fixup)
+ *(.gnu.warning)
+- /* End of text section */
+- _etext = .;
+ } :text = 0x9090
+
+- NOTES :text :note
++ . += __KERNEL_TEXT_OFFSET;
+
+- EXCEPTION_TABLE(16) :text = 0x9090
++#ifdef CONFIG_X86_32
++ . = ALIGN(PAGE_SIZE);
++ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) {
++
++#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_MODULES)
++ MODULES_EXEC_VADDR = .;
++ BYTE(0)
++ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024);
++ . = ALIGN(HPAGE_SIZE) - 1;
++ MODULES_EXEC_END = .;
++#endif
++
++ } :module
++#endif
++
++ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) {
++ /* End of text section */
++ BYTE(0)
++ _etext = . - __KERNEL_TEXT_OFFSET;
++ }
++
++#ifdef CONFIG_X86_32
++ . = ALIGN(PAGE_SIZE);
++ .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) {
++ *(.idt)
++ . = ALIGN(PAGE_SIZE);
++ *(.empty_zero_page)
++ *(.initial_pg_fixmap)
++ *(.initial_pg_pmd)
++ *(.initial_page_table)
++ *(.swapper_pg_dir)
++ } :rodata
++#endif
++
++ . = ALIGN(PAGE_SIZE);
++ NOTES :rodata :note
++
++ EXCEPTION_TABLE(16) :rodata
+
+ #if defined(CONFIG_DEBUG_RODATA)
+ /* .text should occupy whole number of pages */
+@@ -126,16 +181,20 @@ SECTIONS
+
+ /* Data */
+ .data : AT(ADDR(.data) - LOAD_OFFSET) {
++
++#ifdef CONFIG_PAX_KERNEXEC
++ . = ALIGN(HPAGE_SIZE);
++#else
++ . = ALIGN(PAGE_SIZE);
++#endif
++
+ /* Start of data section */
+ _sdata = .;
+
+ /* init_task */
+ INIT_TASK_DATA(THREAD_SIZE)
+
+-#ifdef CONFIG_X86_32
+- /* 32 bit has nosave before _edata */
+ NOSAVE_DATA
+-#endif
+
+ PAGE_ALIGNED_DATA(PAGE_SIZE)
+
+@@ -176,12 +235,19 @@ SECTIONS
+ #endif /* CONFIG_X86_64 */
+
+ /* Init code and data - will be freed after init */
+- . = ALIGN(PAGE_SIZE);
+ .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) {
++ BYTE(0)
++
++#ifdef CONFIG_PAX_KERNEXEC
++ . = ALIGN(HPAGE_SIZE);
++#else
++ . = ALIGN(PAGE_SIZE);
++#endif
++
+ __init_begin = .; /* paired with __init_end */
+- }
++ } :init.begin
+
+-#if defined(CONFIG_X86_64) && defined(CONFIG_SMP)
++#ifdef CONFIG_SMP
+ /*
+ * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the
+ * output PHDR, so the next output section - .init.text - should
+@@ -190,12 +256,27 @@ SECTIONS
+ PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu)
+ #endif
+
+- INIT_TEXT_SECTION(PAGE_SIZE)
+-#ifdef CONFIG_X86_64
+- :init
+-#endif
++ . = ALIGN(PAGE_SIZE);
++ init_begin = .;
++ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) {
++ VMLINUX_SYMBOL(_sinittext) = .;
++ INIT_TEXT
++ VMLINUX_SYMBOL(_einittext) = .;
++ . = ALIGN(PAGE_SIZE);
++ } :text.init
+
+- INIT_DATA_SECTION(16)
++ /*
++ * .exit.text is discard at runtime, not link time, to deal with
++ * references from .altinstructions and .eh_frame
++ */
++ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
++ EXIT_TEXT
++ . = ALIGN(16);
++ } :text.exit
++ . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text);
++
++ . = ALIGN(PAGE_SIZE);
++ INIT_DATA_SECTION(16) :init
+
+ .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
+ __x86_cpu_dev_start = .;
+@@ -257,19 +338,12 @@ SECTIONS
+ }
+
+ . = ALIGN(8);
+- /*
+- * .exit.text is discard at runtime, not link time, to deal with
+- * references from .altinstructions and .eh_frame
+- */
+- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
+- EXIT_TEXT
+- }
+
+ .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
+ EXIT_DATA
+ }
+
+-#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP)
++#ifndef CONFIG_SMP
+ PERCPU_SECTION(INTERNODE_CACHE_BYTES)
+ #endif
+
+@@ -288,16 +362,10 @@ SECTIONS
+ .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
+ __smp_locks = .;
+ *(.smp_locks)
+- . = ALIGN(PAGE_SIZE);
+ __smp_locks_end = .;
++ . = ALIGN(PAGE_SIZE);
+ }
+
+-#ifdef CONFIG_X86_64
+- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
+- NOSAVE_DATA
+- }
+-#endif
+-
+ /* BSS */
+ . = ALIGN(PAGE_SIZE);
+ .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
+@@ -313,6 +381,7 @@ SECTIONS
+ __brk_base = .;
+ . += 64 * 1024; /* 64k alignment slop space */
+ *(.brk_reservation) /* areas brk users have reserved */
++ . = ALIGN(HPAGE_SIZE);
+ __brk_limit = .;
+ }
+
+@@ -339,13 +408,12 @@ SECTIONS
+ * for the boot processor.
+ */
+ #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load
+-INIT_PER_CPU(gdt_page);
+ INIT_PER_CPU(irq_stack_union);
+
+ /*
+ * Build-time check on the image size:
+ */
+-. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE),
++. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE),
+ "kernel image bigger than KERNEL_IMAGE_SIZE");
+
+ #ifdef CONFIG_SMP
+diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
+index 992f890..fc38904 100644
+--- a/arch/x86/kernel/vsmp_64.c
++++ b/arch/x86/kernel/vsmp_64.c
+@@ -217,8 +217,8 @@ static void fill_vector_allocation_domain(int cpu, struct cpumask *retmask,
+ static void vsmp_apic_post_init(void)
+ {
+ /* need to update phys_pkg_id */
+- apic->phys_pkg_id = apicid_phys_pkg_id;
+- apic->vector_allocation_domain = fill_vector_allocation_domain;
++ *(void **)&apic->phys_pkg_id = apicid_phys_pkg_id;
++ *(void **)&apic->vector_allocation_domain = fill_vector_allocation_domain;
+ }
+
+ void __init vsmp_init(void)
+diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
+index 8d141b3..40a0fe4 100644
+--- a/arch/x86/kernel/vsyscall_64.c
++++ b/arch/x86/kernel/vsyscall_64.c
+@@ -56,15 +56,13 @@
+ DEFINE_VVAR(int, vgetcpu_mode);
+ DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data);
+
+-static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE;
++static enum { EMULATE, NONE } vsyscall_mode = EMULATE;
+
+ static int __init vsyscall_setup(char *str)
+ {
+ if (str) {
+ if (!strcmp("emulate", str))
+ vsyscall_mode = EMULATE;
+- else if (!strcmp("native", str))
+- vsyscall_mode = NATIVE;
+ else if (!strcmp("none", str))
+ vsyscall_mode = NONE;
+ else
+@@ -306,8 +304,7 @@ done:
+ return true;
+
+ sigsegv:
+- force_sig(SIGSEGV, current);
+- return true;
++ do_group_exit(SIGKILL);
+ }
+
+ /*
+@@ -360,10 +357,7 @@ void __init map_vsyscall(void)
+ extern char __vvar_page;
+ unsigned long physaddr_vvar_page = __pa_symbol(&__vvar_page);
+
+- __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall,
+- vsyscall_mode == NATIVE
+- ? PAGE_KERNEL_VSYSCALL
+- : PAGE_KERNEL_VVAR);
++ __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR);
+ BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_FIRST_PAGE) !=
+ (unsigned long)VSYSCALL_START);
+
+diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
+index 6020f6f..bedd6e3 100644
+--- a/arch/x86/kernel/x8664_ksyms_64.c
++++ b/arch/x86/kernel/x8664_ksyms_64.c
+@@ -30,8 +30,6 @@ EXPORT_SYMBOL(copy_user_generic_string);
+ EXPORT_SYMBOL(copy_user_generic_unrolled);
+ EXPORT_SYMBOL(copy_user_enhanced_fast_string);
+ EXPORT_SYMBOL(__copy_user_nocache);
+-EXPORT_SYMBOL(_copy_from_user);
+-EXPORT_SYMBOL(_copy_to_user);
+
+ EXPORT_SYMBOL(copy_page);
+ EXPORT_SYMBOL(clear_page);
+diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
+index 3d3e207..1a73ab2 100644
+--- a/arch/x86/kernel/xsave.c
++++ b/arch/x86/kernel/xsave.c
+@@ -132,7 +132,7 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf,
+ fx_sw_user->xstate_size > fx_sw_user->extended_size)
+ return -EINVAL;
+
+- err = __get_user(magic2, (__u32 *) (((void *)fpstate) +
++ err = __get_user(magic2, (__u32 __user *) (((void __user *)fpstate) +
+ fx_sw_user->extended_size -
+ FP_XSTATE_MAGIC2_SIZE));
+ if (err)
+@@ -268,7 +268,7 @@ fx_only:
+ * the other extended state.
+ */
+ xrstor_state(init_xstate_buf, pcntxt_mask & ~XSTATE_FPSSE);
+- return fxrstor_checking((__force struct i387_fxsave_struct *)buf);
++ return fxrstor_checking((struct i387_fxsave_struct __force_kernel *)buf);
+ }
+
+ /*
+@@ -297,7 +297,7 @@ int restore_i387_xstate(void __user *buf)
+ if (use_xsave())
+ err = restore_user_xstate(buf);
+ else
+- err = fxrstor_checking((__force struct i387_fxsave_struct *)
++ err = fxrstor_checking((struct i387_fxsave_struct __force_kernel *)
+ buf);
+ if (unlikely(err)) {
+ /*
+diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
+index 0595f13..b544fa3 100644
+--- a/arch/x86/kvm/cpuid.c
++++ b/arch/x86/kvm/cpuid.c
+@@ -124,15 +124,20 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
+ struct kvm_cpuid2 *cpuid,
+ struct kvm_cpuid_entry2 __user *entries)
+ {
+- int r;
++ int r, i;
+
+ r = -E2BIG;
+ if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
+ goto out;
+ r = -EFAULT;
+- if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
+- cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
++ if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
+ goto out;
++ for (i = 0; i < cpuid->nent; ++i) {
++ struct kvm_cpuid_entry2 cpuid_entry;
++ if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry)))
++ goto out;
++ vcpu->arch.cpuid_entries[i] = cpuid_entry;
++ }
+ vcpu->arch.cpuid_nent = cpuid->nent;
+ kvm_apic_set_version(vcpu);
+ kvm_x86_ops->cpuid_update(vcpu);
+@@ -147,15 +152,19 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
+ struct kvm_cpuid2 *cpuid,
+ struct kvm_cpuid_entry2 __user *entries)
+ {
+- int r;
++ int r, i;
+
+ r = -E2BIG;
+ if (cpuid->nent < vcpu->arch.cpuid_nent)
+ goto out;
+ r = -EFAULT;
+- if (copy_to_user(entries, &vcpu->arch.cpuid_entries,
+- vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
++ if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
+ goto out;
++ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
++ struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i];
++ if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry)))
++ goto out;
++ }
+ return 0;
+
+ out:
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
+index a3b57a2..ebbe732 100644
+--- a/arch/x86/kvm/emulate.c
++++ b/arch/x86/kvm/emulate.c
+@@ -256,6 +256,7 @@ struct gprefix {
+
+ #define ____emulate_2op(ctxt, _op, _x, _y, _suffix, _dsttype) \
+ do { \
++ unsigned long _tmp; \
+ __asm__ __volatile__ ( \
+ _PRE_EFLAGS("0", "4", "2") \
+ _op _suffix " %"_x"3,%1; " \
+@@ -270,8 +271,6 @@ struct gprefix {
+ /* Raw emulation: instruction has two explicit operands. */
+ #define __emulate_2op_nobyte(ctxt,_op,_wx,_wy,_lx,_ly,_qx,_qy) \
+ do { \
+- unsigned long _tmp; \
+- \
+ switch ((ctxt)->dst.bytes) { \
+ case 2: \
+ ____emulate_2op(ctxt,_op,_wx,_wy,"w",u16); \
+@@ -287,7 +286,6 @@ struct gprefix {
+
+ #define __emulate_2op(ctxt,_op,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \
+ do { \
+- unsigned long _tmp; \
+ switch ((ctxt)->dst.bytes) { \
+ case 1: \
+ ____emulate_2op(ctxt,_op,_bx,_by,"b",u8); \
+diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
+index ce87878..ab48aa3 100644
+--- a/arch/x86/kvm/lapic.c
++++ b/arch/x86/kvm/lapic.c
+@@ -54,7 +54,7 @@
+ #define APIC_BUS_CYCLE_NS 1
+
+ /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */
+-#define apic_debug(fmt, arg...)
++#define apic_debug(fmt, arg...) do {} while (0)
+
+ #define APIC_LVT_NUM 6
+ /* 14 is the version for Xeon and Pentium 8.4.8*/
+diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
+index bb7cf01..0348a05 100644
+--- a/arch/x86/kvm/paging_tmpl.h
++++ b/arch/x86/kvm/paging_tmpl.h
+@@ -196,7 +196,7 @@ retry_walk:
+ if (unlikely(kvm_is_error_hva(host_addr)))
+ goto error;
+
+- ptep_user = (pt_element_t __user *)((void *)host_addr + offset);
++ ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset);
+ if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte))))
+ goto error;
+
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
+index baead95..90feeb4 100644
+--- a/arch/x86/kvm/svm.c
++++ b/arch/x86/kvm/svm.c
+@@ -3516,7 +3516,11 @@ static void reload_tss(struct kvm_vcpu *vcpu)
+ int cpu = raw_smp_processor_id();
+
+ struct svm_cpu_data *sd = per_cpu(svm_data, cpu);
++
++ pax_open_kernel();
+ sd->tss_desc->type = 9; /* available 32/64-bit TSS */
++ pax_close_kernel();
++
+ load_TR_desc();
+ }
+
+@@ -3894,6 +3898,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
+ #endif
+ #endif
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ __set_fs(current_thread_info()->addr_limit);
++#endif
++
+ reload_tss(vcpu);
+
+ local_irq_disable();
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index b1eb202..254e292 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -1331,7 +1331,11 @@ static void reload_tss(void)
+ struct desc_struct *descs;
+
+ descs = (void *)gdt->address;
++
++ pax_open_kernel();
+ descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
++ pax_close_kernel();
++
+ load_TR_desc();
+ }
+
+@@ -1541,6 +1545,10 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+ vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */
+ vmcs_writel(HOST_GDTR_BASE, gdt->address); /* 22.2.4 */
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */
++#endif
++
+ rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
+ vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
+ vmx->loaded_vmcs->cpu = cpu;
+@@ -2674,8 +2682,11 @@ static __init int hardware_setup(void)
+ if (!cpu_has_vmx_flexpriority())
+ flexpriority_enabled = 0;
+
+- if (!cpu_has_vmx_tpr_shadow())
+- kvm_x86_ops->update_cr8_intercept = NULL;
++ if (!cpu_has_vmx_tpr_shadow()) {
++ pax_open_kernel();
++ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL;
++ pax_close_kernel();
++ }
+
+ if (enable_ept && !cpu_has_vmx_ept_2m_page())
+ kvm_disable_largepages();
+@@ -3745,7 +3756,10 @@ static void vmx_set_constant_host_state(void)
+
+ vmcs_writel(HOST_CR0, read_cr0() | X86_CR0_TS); /* 22.2.3 */
+ vmcs_writel(HOST_CR4, read_cr4()); /* 22.2.3, 22.2.5 */
++
++#ifndef CONFIG_PAX_PER_CPU_PGD
+ vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */
++#endif
+
+ vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS); /* 22.2.4 */
+ #ifdef CONFIG_X86_64
+@@ -3767,7 +3781,7 @@ static void vmx_set_constant_host_state(void)
+ vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */
+
+ asm("mov $.Lkvm_vmx_return, %0" : "=r"(tmpl));
+- vmcs_writel(HOST_RIP, tmpl); /* 22.2.5 */
++ vmcs_writel(HOST_RIP, ktla_ktva(tmpl)); /* 22.2.5 */
+
+ rdmsr(MSR_IA32_SYSENTER_CS, low32, high32);
+ vmcs_write32(HOST_IA32_SYSENTER_CS, low32);
+@@ -6321,6 +6335,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
+ "jmp .Lkvm_vmx_return \n\t"
+ ".Llaunched: " __ex(ASM_VMX_VMRESUME) "\n\t"
+ ".Lkvm_vmx_return: "
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ "ljmp %[cs],$.Lkvm_vmx_return2\n\t"
++ ".Lkvm_vmx_return2: "
++#endif
++
+ /* Save guest registers, load host registers, keep flags */
+ "mov %0, %c[wordsize](%%"R"sp) \n\t"
+ "pop %0 \n\t"
+@@ -6369,6 +6389,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
+ #endif
+ [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)),
+ [wordsize]"i"(sizeof(ulong))
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ ,[cs]"i"(__KERNEL_CS)
++#endif
++
+ : "cc", "memory"
+ , R"ax", R"bx", R"di", R"si"
+ #ifdef CONFIG_X86_64
+@@ -6376,7 +6401,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
+ #endif
+ );
+
+-#ifndef CONFIG_X86_64
++#ifdef CONFIG_X86_32
+ /*
+ * The sysexit path does not restore ds/es, so we must set them to
+ * a reasonable value ourselves.
+@@ -6385,8 +6410,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
+ * may be executed in interrupt context, which saves and restore segments
+ * around it, nullifying its effect.
+ */
+- loadsegment(ds, __USER_DS);
+- loadsegment(es, __USER_DS);
++ loadsegment(ds, __KERNEL_DS);
++ loadsegment(es, __KERNEL_DS);
++ loadsegment(ss, __KERNEL_DS);
++
++#ifdef CONFIG_PAX_KERNEXEC
++ loadsegment(fs, __KERNEL_PERCPU);
++#endif
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ __set_fs(current_thread_info()->addr_limit);
++#endif
++
+ #endif
+
+ vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 2966c84..207d0cb 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -1379,8 +1379,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
+ {
+ struct kvm *kvm = vcpu->kvm;
+ int lm = is_long_mode(vcpu);
+- u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
+- : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
++ u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64
++ : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
+ u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
+ : kvm->arch.xen_hvm_config.blob_size_32;
+ u32 page_num = data & ~PAGE_MASK;
+@@ -2243,6 +2243,8 @@ long kvm_arch_dev_ioctl(struct file *filp,
+ if (n < msr_list.nmsrs)
+ goto out;
+ r = -EFAULT;
++ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save))
++ goto out;
+ if (copy_to_user(user_msr_list->indices, &msrs_to_save,
+ num_msrs_to_save * sizeof(u32)))
+ goto out;
+@@ -2368,7 +2370,7 @@ static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu,
+ static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
+ struct kvm_interrupt *irq)
+ {
+- if (irq->irq < 0 || irq->irq >= 256)
++ if (irq->irq >= 256)
+ return -EINVAL;
+ if (irqchip_in_kernel(vcpu->kvm))
+ return -ENXIO;
+@@ -4889,7 +4891,7 @@ static void kvm_set_mmio_spte_mask(void)
+ kvm_mmu_set_mmio_spte_mask(mask);
+ }
+
+-int kvm_arch_init(void *opaque)
++int kvm_arch_init(const void *opaque)
+ {
+ int r;
+ struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
+diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
+index 642d880..cc9ebac 100644
+--- a/arch/x86/lguest/boot.c
++++ b/arch/x86/lguest/boot.c
+@@ -1116,12 +1116,12 @@ static u32 lguest_apic_safe_wait_icr_idle(void)
+
+ static void set_lguest_basic_apic_ops(void)
+ {
+- apic->read = lguest_apic_read;
+- apic->write = lguest_apic_write;
+- apic->icr_read = lguest_apic_icr_read;
+- apic->icr_write = lguest_apic_icr_write;
+- apic->wait_icr_idle = lguest_apic_wait_icr_idle;
+- apic->safe_wait_icr_idle = lguest_apic_safe_wait_icr_idle;
++ *(void **)&apic->read = lguest_apic_read;
++ *(void **)&apic->write = lguest_apic_write;
++ *(void **)&apic->icr_read = lguest_apic_icr_read;
++ *(void **)&apic->icr_write = lguest_apic_icr_write;
++ *(void **)&apic->wait_icr_idle = lguest_apic_wait_icr_idle;
++ *(void **)&apic->safe_wait_icr_idle = lguest_apic_safe_wait_icr_idle;
+ };
+ #endif
+
+@@ -1200,9 +1200,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
+ * Rebooting also tells the Host we're finished, but the RESTART flag tells the
+ * Launcher to reboot us.
+ */
+-static void lguest_restart(char *reason)
++static __noreturn void lguest_restart(char *reason)
+ {
+ hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0);
++ BUG();
+ }
+
+ /*G:050
+diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S
+index 00933d5..3a64af9 100644
+--- a/arch/x86/lib/atomic64_386_32.S
++++ b/arch/x86/lib/atomic64_386_32.S
+@@ -48,6 +48,10 @@ BEGIN(read)
+ movl (v), %eax
+ movl 4(v), %edx
+ RET_ENDP
++BEGIN(read_unchecked)
++ movl (v), %eax
++ movl 4(v), %edx
++RET_ENDP
+ #undef v
+
+ #define v %esi
+@@ -55,6 +59,10 @@ BEGIN(set)
+ movl %ebx, (v)
+ movl %ecx, 4(v)
+ RET_ENDP
++BEGIN(set_unchecked)
++ movl %ebx, (v)
++ movl %ecx, 4(v)
++RET_ENDP
+ #undef v
+
+ #define v %esi
+@@ -70,6 +78,20 @@ RET_ENDP
+ BEGIN(add)
+ addl %eax, (v)
+ adcl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 0f
++ subl %eax, (v)
++ sbbl %edx, 4(v)
++ int $4
++0:
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++RET_ENDP
++BEGIN(add_unchecked)
++ addl %eax, (v)
++ adcl %edx, 4(v)
+ RET_ENDP
+ #undef v
+
+@@ -77,6 +99,24 @@ RET_ENDP
+ BEGIN(add_return)
+ addl (v), %eax
+ adcl 4(v), %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
++ movl %eax, (v)
++ movl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++2:
++#endif
++
++RET_ENDP
++BEGIN(add_return_unchecked)
++ addl (v), %eax
++ adcl 4(v), %edx
+ movl %eax, (v)
+ movl %edx, 4(v)
+ RET_ENDP
+@@ -86,6 +126,20 @@ RET_ENDP
+ BEGIN(sub)
+ subl %eax, (v)
+ sbbl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 0f
++ addl %eax, (v)
++ adcl %edx, 4(v)
++ int $4
++0:
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++RET_ENDP
++BEGIN(sub_unchecked)
++ subl %eax, (v)
++ sbbl %edx, 4(v)
+ RET_ENDP
+ #undef v
+
+@@ -96,6 +150,27 @@ BEGIN(sub_return)
+ sbbl $0, %edx
+ addl (v), %eax
+ adcl 4(v), %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
++ movl %eax, (v)
++ movl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++2:
++#endif
++
++RET_ENDP
++BEGIN(sub_return_unchecked)
++ negl %edx
++ negl %eax
++ sbbl $0, %edx
++ addl (v), %eax
++ adcl 4(v), %edx
+ movl %eax, (v)
+ movl %edx, 4(v)
+ RET_ENDP
+@@ -105,6 +180,20 @@ RET_ENDP
+ BEGIN(inc)
+ addl $1, (v)
+ adcl $0, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 0f
++ subl $1, (v)
++ sbbl $0, 4(v)
++ int $4
++0:
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++RET_ENDP
++BEGIN(inc_unchecked)
++ addl $1, (v)
++ adcl $0, 4(v)
+ RET_ENDP
+ #undef v
+
+@@ -114,6 +203,26 @@ BEGIN(inc_return)
+ movl 4(v), %edx
+ addl $1, %eax
+ adcl $0, %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
++ movl %eax, (v)
++ movl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++2:
++#endif
++
++RET_ENDP
++BEGIN(inc_return_unchecked)
++ movl (v), %eax
++ movl 4(v), %edx
++ addl $1, %eax
++ adcl $0, %edx
+ movl %eax, (v)
+ movl %edx, 4(v)
+ RET_ENDP
+@@ -123,6 +232,20 @@ RET_ENDP
+ BEGIN(dec)
+ subl $1, (v)
+ sbbl $0, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 0f
++ addl $1, (v)
++ adcl $0, 4(v)
++ int $4
++0:
++ _ASM_EXTABLE(0b, 0b)
++#endif
++
++RET_ENDP
++BEGIN(dec_unchecked)
++ subl $1, (v)
++ sbbl $0, 4(v)
+ RET_ENDP
+ #undef v
+
+@@ -132,6 +255,26 @@ BEGIN(dec_return)
+ movl 4(v), %edx
+ subl $1, %eax
+ sbbl $0, %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
++ movl %eax, (v)
++ movl %edx, 4(v)
++
++#ifdef CONFIG_PAX_REFCOUNT
++2:
++#endif
++
++RET_ENDP
++BEGIN(dec_return_unchecked)
++ movl (v), %eax
++ movl 4(v), %edx
++ subl $1, %eax
++ sbbl $0, %edx
+ movl %eax, (v)
+ movl %edx, 4(v)
+ RET_ENDP
+@@ -143,6 +286,13 @@ BEGIN(add_unless)
+ adcl %edx, %edi
+ addl (v), %eax
+ adcl 4(v), %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
+ cmpl %eax, %ecx
+ je 3f
+ 1:
+@@ -168,6 +318,13 @@ BEGIN(inc_not_zero)
+ 1:
+ addl $1, %eax
+ adcl $0, %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
+ movl %eax, (v)
+ movl %edx, 4(v)
+ movl $1, %eax
+@@ -186,6 +343,13 @@ BEGIN(dec_if_positive)
+ movl 4(v), %edx
+ subl $1, %eax
+ sbbl $0, %edx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 1f)
++#endif
++
+ js 1f
+ movl %eax, (v)
+ movl %edx, 4(v)
+diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S
+index f5cc9eb..51fa319 100644
+--- a/arch/x86/lib/atomic64_cx8_32.S
++++ b/arch/x86/lib/atomic64_cx8_32.S
+@@ -35,10 +35,20 @@ ENTRY(atomic64_read_cx8)
+ CFI_STARTPROC
+
+ read64 %ecx
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(atomic64_read_cx8)
+
++ENTRY(atomic64_read_unchecked_cx8)
++ CFI_STARTPROC
++
++ read64 %ecx
++ pax_force_retaddr
++ ret
++ CFI_ENDPROC
++ENDPROC(atomic64_read_unchecked_cx8)
++
+ ENTRY(atomic64_set_cx8)
+ CFI_STARTPROC
+
+@@ -48,10 +58,25 @@ ENTRY(atomic64_set_cx8)
+ cmpxchg8b (%esi)
+ jne 1b
+
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(atomic64_set_cx8)
+
++ENTRY(atomic64_set_unchecked_cx8)
++ CFI_STARTPROC
++
++1:
++/* we don't need LOCK_PREFIX since aligned 64-bit writes
++ * are atomic on 586 and newer */
++ cmpxchg8b (%esi)
++ jne 1b
++
++ pax_force_retaddr
++ ret
++ CFI_ENDPROC
++ENDPROC(atomic64_set_unchecked_cx8)
++
+ ENTRY(atomic64_xchg_cx8)
+ CFI_STARTPROC
+
+@@ -60,12 +85,13 @@ ENTRY(atomic64_xchg_cx8)
+ cmpxchg8b (%esi)
+ jne 1b
+
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(atomic64_xchg_cx8)
+
+-.macro addsub_return func ins insc
+-ENTRY(atomic64_\func\()_return_cx8)
++.macro addsub_return func ins insc unchecked=""
++ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
+ CFI_STARTPROC
+ SAVE ebp
+ SAVE ebx
+@@ -82,27 +108,44 @@ ENTRY(atomic64_\func\()_return_cx8)
+ movl %edx, %ecx
+ \ins\()l %esi, %ebx
+ \insc\()l %edi, %ecx
++
++.ifb \unchecked
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++2:
++ _ASM_EXTABLE(2b, 3f)
++#endif
++.endif
++
+ LOCK_PREFIX
+ cmpxchg8b (%ebp)
+ jne 1b
+-
+-10:
+ movl %ebx, %eax
+ movl %ecx, %edx
++
++.ifb \unchecked
++#ifdef CONFIG_PAX_REFCOUNT
++3:
++#endif
++.endif
++
+ RESTORE edi
+ RESTORE esi
+ RESTORE ebx
+ RESTORE ebp
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-ENDPROC(atomic64_\func\()_return_cx8)
++ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
+ .endm
+
+ addsub_return add add adc
+ addsub_return sub sub sbb
++addsub_return add add adc _unchecked
++addsub_return sub sub sbb _unchecked
+
+-.macro incdec_return func ins insc
+-ENTRY(atomic64_\func\()_return_cx8)
++.macro incdec_return func ins insc unchecked=""
++ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
+ CFI_STARTPROC
+ SAVE ebx
+
+@@ -112,21 +155,39 @@ ENTRY(atomic64_\func\()_return_cx8)
+ movl %edx, %ecx
+ \ins\()l $1, %ebx
+ \insc\()l $0, %ecx
++
++.ifb \unchecked
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++2:
++ _ASM_EXTABLE(2b, 3f)
++#endif
++.endif
++
+ LOCK_PREFIX
+ cmpxchg8b (%esi)
+ jne 1b
+
+-10:
+ movl %ebx, %eax
+ movl %ecx, %edx
++
++.ifb \unchecked
++#ifdef CONFIG_PAX_REFCOUNT
++3:
++#endif
++.endif
++
+ RESTORE ebx
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+-ENDPROC(atomic64_\func\()_return_cx8)
++ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
+ .endm
+
+ incdec_return inc add adc
+ incdec_return dec sub sbb
++incdec_return inc add adc _unchecked
++incdec_return dec sub sbb _unchecked
+
+ ENTRY(atomic64_dec_if_positive_cx8)
+ CFI_STARTPROC
+@@ -138,6 +199,13 @@ ENTRY(atomic64_dec_if_positive_cx8)
+ movl %edx, %ecx
+ subl $1, %ebx
+ sbb $0, %ecx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 2f)
++#endif
++
+ js 2f
+ LOCK_PREFIX
+ cmpxchg8b (%esi)
+@@ -147,6 +215,7 @@ ENTRY(atomic64_dec_if_positive_cx8)
+ movl %ebx, %eax
+ movl %ecx, %edx
+ RESTORE ebx
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(atomic64_dec_if_positive_cx8)
+@@ -171,6 +240,13 @@ ENTRY(atomic64_add_unless_cx8)
+ movl %edx, %ecx
+ addl %ebp, %ebx
+ adcl %edi, %ecx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 3f)
++#endif
++
+ LOCK_PREFIX
+ cmpxchg8b (%esi)
+ jne 1b
+@@ -181,6 +257,7 @@ ENTRY(atomic64_add_unless_cx8)
+ CFI_ADJUST_CFA_OFFSET -8
+ RESTORE ebx
+ RESTORE ebp
++ pax_force_retaddr
+ ret
+ 4:
+ cmpl %edx, 4(%esp)
+@@ -203,6 +280,13 @@ ENTRY(atomic64_inc_not_zero_cx8)
+ xorl %ecx, %ecx
+ addl $1, %ebx
+ adcl %edx, %ecx
++
++#ifdef CONFIG_PAX_REFCOUNT
++ into
++1234:
++ _ASM_EXTABLE(1234b, 3f)
++#endif
++
+ LOCK_PREFIX
+ cmpxchg8b (%esi)
+ jne 1b
+@@ -210,6 +294,7 @@ ENTRY(atomic64_inc_not_zero_cx8)
+ movl $1, %eax
+ 3:
+ RESTORE ebx
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(atomic64_inc_not_zero_cx8)
+diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
+index 2af5df3..62b1a5a 100644
+--- a/arch/x86/lib/checksum_32.S
++++ b/arch/x86/lib/checksum_32.S
+@@ -29,7 +29,8 @@
+ #include <asm/dwarf2.h>
+ #include <asm/errno.h>
+ #include <asm/asm.h>
+-
++#include <asm/segment.h>
++
+ /*
+ * computes a partial checksum, e.g. for TCP/UDP fragments
+ */
+@@ -293,9 +294,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst,
+
+ #define ARGBASE 16
+ #define FP 12
+-
+-ENTRY(csum_partial_copy_generic)
++
++ENTRY(csum_partial_copy_generic_to_user)
+ CFI_STARTPROC
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pushl_cfi %gs
++ popl_cfi %es
++ jmp csum_partial_copy_generic
++#endif
++
++ENTRY(csum_partial_copy_generic_from_user)
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pushl_cfi %gs
++ popl_cfi %ds
++#endif
++
++ENTRY(csum_partial_copy_generic)
+ subl $4,%esp
+ CFI_ADJUST_CFA_OFFSET 4
+ pushl_cfi %edi
+@@ -317,7 +333,7 @@ ENTRY(csum_partial_copy_generic)
+ jmp 4f
+ SRC(1: movw (%esi), %bx )
+ addl $2, %esi
+-DST( movw %bx, (%edi) )
++DST( movw %bx, %es:(%edi) )
+ addl $2, %edi
+ addw %bx, %ax
+ adcl $0, %eax
+@@ -329,30 +345,30 @@ DST( movw %bx, (%edi) )
+ SRC(1: movl (%esi), %ebx )
+ SRC( movl 4(%esi), %edx )
+ adcl %ebx, %eax
+-DST( movl %ebx, (%edi) )
++DST( movl %ebx, %es:(%edi) )
+ adcl %edx, %eax
+-DST( movl %edx, 4(%edi) )
++DST( movl %edx, %es:4(%edi) )
+
+ SRC( movl 8(%esi), %ebx )
+ SRC( movl 12(%esi), %edx )
+ adcl %ebx, %eax
+-DST( movl %ebx, 8(%edi) )
++DST( movl %ebx, %es:8(%edi) )
+ adcl %edx, %eax
+-DST( movl %edx, 12(%edi) )
++DST( movl %edx, %es:12(%edi) )
+
+ SRC( movl 16(%esi), %ebx )
+ SRC( movl 20(%esi), %edx )
+ adcl %ebx, %eax
+-DST( movl %ebx, 16(%edi) )
++DST( movl %ebx, %es:16(%edi) )
+ adcl %edx, %eax
+-DST( movl %edx, 20(%edi) )
++DST( movl %edx, %es:20(%edi) )
+
+ SRC( movl 24(%esi), %ebx )
+ SRC( movl 28(%esi), %edx )
+ adcl %ebx, %eax
+-DST( movl %ebx, 24(%edi) )
++DST( movl %ebx, %es:24(%edi) )
+ adcl %edx, %eax
+-DST( movl %edx, 28(%edi) )
++DST( movl %edx, %es:28(%edi) )
+
+ lea 32(%esi), %esi
+ lea 32(%edi), %edi
+@@ -366,7 +382,7 @@ DST( movl %edx, 28(%edi) )
+ shrl $2, %edx # This clears CF
+ SRC(3: movl (%esi), %ebx )
+ adcl %ebx, %eax
+-DST( movl %ebx, (%edi) )
++DST( movl %ebx, %es:(%edi) )
+ lea 4(%esi), %esi
+ lea 4(%edi), %edi
+ dec %edx
+@@ -378,12 +394,12 @@ DST( movl %ebx, (%edi) )
+ jb 5f
+ SRC( movw (%esi), %cx )
+ leal 2(%esi), %esi
+-DST( movw %cx, (%edi) )
++DST( movw %cx, %es:(%edi) )
+ leal 2(%edi), %edi
+ je 6f
+ shll $16,%ecx
+ SRC(5: movb (%esi), %cl )
+-DST( movb %cl, (%edi) )
++DST( movb %cl, %es:(%edi) )
+ 6: addl %ecx, %eax
+ adcl $0, %eax
+ 7:
+@@ -394,7 +410,7 @@ DST( movb %cl, (%edi) )
+
+ 6001:
+ movl ARGBASE+20(%esp), %ebx # src_err_ptr
+- movl $-EFAULT, (%ebx)
++ movl $-EFAULT, %ss:(%ebx)
+
+ # zero the complete destination - computing the rest
+ # is too much work
+@@ -407,11 +423,15 @@ DST( movb %cl, (%edi) )
+
+ 6002:
+ movl ARGBASE+24(%esp), %ebx # dst_err_ptr
+- movl $-EFAULT,(%ebx)
++ movl $-EFAULT,%ss:(%ebx)
+ jmp 5000b
+
+ .previous
+
++ pushl_cfi %ss
++ popl_cfi %ds
++ pushl_cfi %ss
++ popl_cfi %es
+ popl_cfi %ebx
+ CFI_RESTORE ebx
+ popl_cfi %esi
+@@ -421,26 +441,43 @@ DST( movb %cl, (%edi) )
+ popl_cfi %ecx # equivalent to addl $4,%esp
+ ret
+ CFI_ENDPROC
+-ENDPROC(csum_partial_copy_generic)
++ENDPROC(csum_partial_copy_generic_to_user)
+
+ #else
+
+ /* Version for PentiumII/PPro */
+
+ #define ROUND1(x) \
++ nop; nop; nop; \
+ SRC(movl x(%esi), %ebx ) ; \
+ addl %ebx, %eax ; \
+- DST(movl %ebx, x(%edi) ) ;
++ DST(movl %ebx, %es:x(%edi)) ;
+
+ #define ROUND(x) \
++ nop; nop; nop; \
+ SRC(movl x(%esi), %ebx ) ; \
+ adcl %ebx, %eax ; \
+- DST(movl %ebx, x(%edi) ) ;
++ DST(movl %ebx, %es:x(%edi)) ;
+
+ #define ARGBASE 12
+-
+-ENTRY(csum_partial_copy_generic)
++
++ENTRY(csum_partial_copy_generic_to_user)
+ CFI_STARTPROC
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pushl_cfi %gs
++ popl_cfi %es
++ jmp csum_partial_copy_generic
++#endif
++
++ENTRY(csum_partial_copy_generic_from_user)
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pushl_cfi %gs
++ popl_cfi %ds
++#endif
++
++ENTRY(csum_partial_copy_generic)
+ pushl_cfi %ebx
+ CFI_REL_OFFSET ebx, 0
+ pushl_cfi %edi
+@@ -461,7 +498,7 @@ ENTRY(csum_partial_copy_generic)
+ subl %ebx, %edi
+ lea -1(%esi),%edx
+ andl $-32,%edx
+- lea 3f(%ebx,%ebx), %ebx
++ lea 3f(%ebx,%ebx,2), %ebx
+ testl %esi, %esi
+ jmp *%ebx
+ 1: addl $64,%esi
+@@ -482,19 +519,19 @@ ENTRY(csum_partial_copy_generic)
+ jb 5f
+ SRC( movw (%esi), %dx )
+ leal 2(%esi), %esi
+-DST( movw %dx, (%edi) )
++DST( movw %dx, %es:(%edi) )
+ leal 2(%edi), %edi
+ je 6f
+ shll $16,%edx
+ 5:
+ SRC( movb (%esi), %dl )
+-DST( movb %dl, (%edi) )
++DST( movb %dl, %es:(%edi) )
+ 6: addl %edx, %eax
+ adcl $0, %eax
+ 7:
+ .section .fixup, "ax"
+ 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr
+- movl $-EFAULT, (%ebx)
++ movl $-EFAULT, %ss:(%ebx)
+ # zero the complete destination (computing the rest is too much work)
+ movl ARGBASE+8(%esp),%edi # dst
+ movl ARGBASE+12(%esp),%ecx # len
+@@ -502,10 +539,17 @@ DST( movb %dl, (%edi) )
+ rep; stosb
+ jmp 7b
+ 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr
+- movl $-EFAULT, (%ebx)
++ movl $-EFAULT, %ss:(%ebx)
+ jmp 7b
+ .previous
+
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ pushl_cfi %ss
++ popl_cfi %ds
++ pushl_cfi %ss
++ popl_cfi %es
++#endif
++
+ popl_cfi %esi
+ CFI_RESTORE esi
+ popl_cfi %edi
+@@ -514,7 +558,7 @@ DST( movb %dl, (%edi) )
+ CFI_RESTORE ebx
+ ret
+ CFI_ENDPROC
+-ENDPROC(csum_partial_copy_generic)
++ENDPROC(csum_partial_copy_generic_to_user)
+
+ #undef ROUND
+ #undef ROUND1
+diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S
+index f2145cf..cea889d 100644
+--- a/arch/x86/lib/clear_page_64.S
++++ b/arch/x86/lib/clear_page_64.S
+@@ -11,6 +11,7 @@ ENTRY(clear_page_c)
+ movl $4096/8,%ecx
+ xorl %eax,%eax
+ rep stosq
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(clear_page_c)
+@@ -20,6 +21,7 @@ ENTRY(clear_page_c_e)
+ movl $4096,%ecx
+ xorl %eax,%eax
+ rep stosb
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(clear_page_c_e)
+@@ -43,6 +45,7 @@ ENTRY(clear_page)
+ leaq 64(%rdi),%rdi
+ jnz .Lloop
+ nop
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ .Lclear_page_end:
+@@ -58,7 +61,7 @@ ENDPROC(clear_page)
+
+ #include <asm/cpufeature.h>
+
+- .section .altinstr_replacement,"ax"
++ .section .altinstr_replacement,"a"
+ 1: .byte 0xeb /* jmp <disp8> */
+ .byte (clear_page_c - clear_page) - (2f - 1b) /* offset */
+ 2: .byte 0xeb /* jmp <disp8> */
+diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S
+index 1e572c5..2a162cd 100644
+--- a/arch/x86/lib/cmpxchg16b_emu.S
++++ b/arch/x86/lib/cmpxchg16b_emu.S
+@@ -53,11 +53,13 @@ this_cpu_cmpxchg16b_emu:
+
+ popf
+ mov $1, %al
++ pax_force_retaddr
+ ret
+
+ not_same:
+ popf
+ xor %al,%al
++ pax_force_retaddr
+ ret
+
+ CFI_ENDPROC
+diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S
+index 6b34d04..dccb07f 100644
+--- a/arch/x86/lib/copy_page_64.S
++++ b/arch/x86/lib/copy_page_64.S
+@@ -9,6 +9,7 @@ copy_page_c:
+ CFI_STARTPROC
+ movl $4096/8,%ecx
+ rep movsq
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(copy_page_c)
+@@ -20,12 +21,14 @@ ENDPROC(copy_page_c)
+
+ ENTRY(copy_page)
+ CFI_STARTPROC
+- subq $2*8,%rsp
+- CFI_ADJUST_CFA_OFFSET 2*8
++ subq $3*8,%rsp
++ CFI_ADJUST_CFA_OFFSET 3*8
+ movq %rbx,(%rsp)
+ CFI_REL_OFFSET rbx, 0
+ movq %r12,1*8(%rsp)
+ CFI_REL_OFFSET r12, 1*8
++ movq %r13,2*8(%rsp)
++ CFI_REL_OFFSET r13, 2*8
+
+ movl $(4096/64)-5,%ecx
+ .p2align 4
+@@ -37,7 +40,7 @@ ENTRY(copy_page)
+ movq 16 (%rsi), %rdx
+ movq 24 (%rsi), %r8
+ movq 32 (%rsi), %r9
+- movq 40 (%rsi), %r10
++ movq 40 (%rsi), %r13
+ movq 48 (%rsi), %r11
+ movq 56 (%rsi), %r12
+
+@@ -48,7 +51,7 @@ ENTRY(copy_page)
+ movq %rdx, 16 (%rdi)
+ movq %r8, 24 (%rdi)
+ movq %r9, 32 (%rdi)
+- movq %r10, 40 (%rdi)
++ movq %r13, 40 (%rdi)
+ movq %r11, 48 (%rdi)
+ movq %r12, 56 (%rdi)
+
+@@ -67,7 +70,7 @@ ENTRY(copy_page)
+ movq 16 (%rsi), %rdx
+ movq 24 (%rsi), %r8
+ movq 32 (%rsi), %r9
+- movq 40 (%rsi), %r10
++ movq 40 (%rsi), %r13
+ movq 48 (%rsi), %r11
+ movq 56 (%rsi), %r12
+
+@@ -76,7 +79,7 @@ ENTRY(copy_page)
+ movq %rdx, 16 (%rdi)
+ movq %r8, 24 (%rdi)
+ movq %r9, 32 (%rdi)
+- movq %r10, 40 (%rdi)
++ movq %r13, 40 (%rdi)
+ movq %r11, 48 (%rdi)
+ movq %r12, 56 (%rdi)
+
+@@ -89,8 +92,11 @@ ENTRY(copy_page)
+ CFI_RESTORE rbx
+ movq 1*8(%rsp),%r12
+ CFI_RESTORE r12
+- addq $2*8,%rsp
+- CFI_ADJUST_CFA_OFFSET -2*8
++ movq 2*8(%rsp),%r13
++ CFI_RESTORE r13
++ addq $3*8,%rsp
++ CFI_ADJUST_CFA_OFFSET -3*8
++ pax_force_retaddr
+ ret
+ .Lcopy_page_end:
+ CFI_ENDPROC
+@@ -101,7 +107,7 @@ ENDPROC(copy_page)
+
+ #include <asm/cpufeature.h>
+
+- .section .altinstr_replacement,"ax"
++ .section .altinstr_replacement,"a"
+ 1: .byte 0xeb /* jmp <disp8> */
+ .byte (copy_page_c - copy_page) - (2f - 1b) /* offset */
+ 2:
+diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
+index 5b2995f..78e7644 100644
+--- a/arch/x86/lib/copy_user_64.S
++++ b/arch/x86/lib/copy_user_64.S
+@@ -17,6 +17,7 @@
+ #include <asm/cpufeature.h>
+ #include <asm/alternative-asm.h>
+ #include <asm/asm.h>
++#include <asm/pgtable.h>
+
+ /*
+ * By placing feature2 after feature1 in altinstructions section, we logically
+@@ -30,7 +31,7 @@
+ .byte 0xe9 /* 32bit jump */
+ .long \orig-1f /* by default jump to orig */
+ 1:
+- .section .altinstr_replacement,"ax"
++ .section .altinstr_replacement,"a"
+ 2: .byte 0xe9 /* near jump with 32bit immediate */
+ .long \alt1-1b /* offset */ /* or alternatively to alt1 */
+ 3: .byte 0xe9 /* near jump with 32bit immediate */
+@@ -69,47 +70,20 @@
+ #endif
+ .endm
+
+-/* Standard copy_to_user with segment limit checking */
+-ENTRY(_copy_to_user)
+- CFI_STARTPROC
+- GET_THREAD_INFO(%rax)
+- movq %rdi,%rcx
+- addq %rdx,%rcx
+- jc bad_to_user
+- cmpq TI_addr_limit(%rax),%rcx
+- ja bad_to_user
+- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
+- copy_user_generic_unrolled,copy_user_generic_string, \
+- copy_user_enhanced_fast_string
+- CFI_ENDPROC
+-ENDPROC(_copy_to_user)
+-
+-/* Standard copy_from_user with segment limit checking */
+-ENTRY(_copy_from_user)
+- CFI_STARTPROC
+- GET_THREAD_INFO(%rax)
+- movq %rsi,%rcx
+- addq %rdx,%rcx
+- jc bad_from_user
+- cmpq TI_addr_limit(%rax),%rcx
+- ja bad_from_user
+- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
+- copy_user_generic_unrolled,copy_user_generic_string, \
+- copy_user_enhanced_fast_string
+- CFI_ENDPROC
+-ENDPROC(_copy_from_user)
+-
+ .section .fixup,"ax"
+ /* must zero dest */
+ ENTRY(bad_from_user)
+ bad_from_user:
+ CFI_STARTPROC
++ testl %edx,%edx
++ js bad_to_user
+ movl %edx,%ecx
+ xorl %eax,%eax
+ rep
+ stosb
+ bad_to_user:
+ movl %edx,%eax
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(bad_from_user)
+@@ -139,19 +113,19 @@ ENTRY(copy_user_generic_unrolled)
+ jz 17f
+ 1: movq (%rsi),%r8
+ 2: movq 1*8(%rsi),%r9
+-3: movq 2*8(%rsi),%r10
++3: movq 2*8(%rsi),%rax
+ 4: movq 3*8(%rsi),%r11
+ 5: movq %r8,(%rdi)
+ 6: movq %r9,1*8(%rdi)
+-7: movq %r10,2*8(%rdi)
++7: movq %rax,2*8(%rdi)
+ 8: movq %r11,3*8(%rdi)
+ 9: movq 4*8(%rsi),%r8
+ 10: movq 5*8(%rsi),%r9
+-11: movq 6*8(%rsi),%r10
++11: movq 6*8(%rsi),%rax
+ 12: movq 7*8(%rsi),%r11
+ 13: movq %r8,4*8(%rdi)
+ 14: movq %r9,5*8(%rdi)
+-15: movq %r10,6*8(%rdi)
++15: movq %rax,6*8(%rdi)
+ 16: movq %r11,7*8(%rdi)
+ leaq 64(%rsi),%rsi
+ leaq 64(%rdi),%rdi
+@@ -177,6 +151,7 @@ ENTRY(copy_user_generic_unrolled)
+ decl %ecx
+ jnz 21b
+ 23: xor %eax,%eax
++ pax_force_retaddr
+ ret
+
+ .section .fixup,"ax"
+@@ -246,6 +221,7 @@ ENTRY(copy_user_generic_string)
+ 3: rep
+ movsb
+ 4: xorl %eax,%eax
++ pax_force_retaddr
+ ret
+
+ .section .fixup,"ax"
+@@ -279,6 +255,7 @@ ENTRY(copy_user_enhanced_fast_string)
+ 1: rep
+ movsb
+ 2: xorl %eax,%eax
++ pax_force_retaddr
+ ret
+
+ .section .fixup,"ax"
+diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
+index cacddc7..09d49e4 100644
+--- a/arch/x86/lib/copy_user_nocache_64.S
++++ b/arch/x86/lib/copy_user_nocache_64.S
+@@ -8,6 +8,7 @@
+
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
++#include <asm/alternative-asm.h>
+
+ #define FIX_ALIGNMENT 1
+
+@@ -15,6 +16,7 @@
+ #include <asm/asm-offsets.h>
+ #include <asm/thread_info.h>
+ #include <asm/asm.h>
++#include <asm/pgtable.h>
+
+ .macro ALIGN_DESTINATION
+ #ifdef FIX_ALIGNMENT
+@@ -48,6 +50,15 @@
+ */
+ ENTRY(__copy_user_nocache)
+ CFI_STARTPROC
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ mov $PAX_USER_SHADOW_BASE,%rcx
++ cmp %rcx,%rsi
++ jae 1f
++ add %rcx,%rsi
++1:
++#endif
++
+ cmpl $8,%edx
+ jb 20f /* less then 8 bytes, go to byte copy loop */
+ ALIGN_DESTINATION
+@@ -57,19 +68,19 @@ ENTRY(__copy_user_nocache)
+ jz 17f
+ 1: movq (%rsi),%r8
+ 2: movq 1*8(%rsi),%r9
+-3: movq 2*8(%rsi),%r10
++3: movq 2*8(%rsi),%rax
+ 4: movq 3*8(%rsi),%r11
+ 5: movnti %r8,(%rdi)
+ 6: movnti %r9,1*8(%rdi)
+-7: movnti %r10,2*8(%rdi)
++7: movnti %rax,2*8(%rdi)
+ 8: movnti %r11,3*8(%rdi)
+ 9: movq 4*8(%rsi),%r8
+ 10: movq 5*8(%rsi),%r9
+-11: movq 6*8(%rsi),%r10
++11: movq 6*8(%rsi),%rax
+ 12: movq 7*8(%rsi),%r11
+ 13: movnti %r8,4*8(%rdi)
+ 14: movnti %r9,5*8(%rdi)
+-15: movnti %r10,6*8(%rdi)
++15: movnti %rax,6*8(%rdi)
+ 16: movnti %r11,7*8(%rdi)
+ leaq 64(%rsi),%rsi
+ leaq 64(%rdi),%rdi
+@@ -96,6 +107,7 @@ ENTRY(__copy_user_nocache)
+ jnz 21b
+ 23: xorl %eax,%eax
+ sfence
++ pax_force_retaddr
+ ret
+
+ .section .fixup,"ax"
+diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S
+index 2419d5f..953ee51 100644
+--- a/arch/x86/lib/csum-copy_64.S
++++ b/arch/x86/lib/csum-copy_64.S
+@@ -9,6 +9,7 @@
+ #include <asm/dwarf2.h>
+ #include <asm/errno.h>
+ #include <asm/asm.h>
++#include <asm/alternative-asm.h>
+
+ /*
+ * Checksum copy with exception handling.
+@@ -220,6 +221,7 @@ ENTRY(csum_partial_copy_generic)
+ CFI_RESTORE rbp
+ addq $7*8, %rsp
+ CFI_ADJUST_CFA_OFFSET -7*8
++ pax_force_retaddr 0, 1
+ ret
+ CFI_RESTORE_STATE
+
+diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
+index 25b7ae8..3b52ccd 100644
+--- a/arch/x86/lib/csum-wrappers_64.c
++++ b/arch/x86/lib/csum-wrappers_64.c
+@@ -52,7 +52,13 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
+ len -= 2;
+ }
+ }
+- isum = csum_partial_copy_generic((__force const void *)src,
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)src < PAX_USER_SHADOW_BASE)
++ src += PAX_USER_SHADOW_BASE;
++#endif
++
++ isum = csum_partial_copy_generic((const void __force_kernel *)src,
+ dst, len, isum, errp, NULL);
+ if (unlikely(*errp))
+ goto out_err;
+@@ -105,7 +111,13 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
+ }
+
+ *errp = 0;
+- return csum_partial_copy_generic(src, (void __force *)dst,
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
++ dst += PAX_USER_SHADOW_BASE;
++#endif
++
++ return csum_partial_copy_generic(src, (void __force_kernel *)dst,
+ len, isum, NULL, errp);
+ }
+ EXPORT_SYMBOL(csum_partial_copy_to_user);
+diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
+index b33b1fb..219f389 100644
+--- a/arch/x86/lib/getuser.S
++++ b/arch/x86/lib/getuser.S
+@@ -33,15 +33,38 @@
+ #include <asm/asm-offsets.h>
+ #include <asm/thread_info.h>
+ #include <asm/asm.h>
++#include <asm/segment.h>
++#include <asm/pgtable.h>
++#include <asm/alternative-asm.h>
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define __copyuser_seg gs;
++#else
++#define __copyuser_seg
++#endif
+
+ .text
+ ENTRY(__get_user_1)
+ CFI_STARTPROC
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+-1: movzb (%_ASM_AX),%edx
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
++ cmp %_ASM_DX,%_ASM_AX
++ jae 1234f
++ add %_ASM_DX,%_ASM_AX
++1234:
++#endif
++
++#endif
++
++1: __copyuser_seg movzb (%_ASM_AX),%edx
+ xor %eax,%eax
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(__get_user_1)
+@@ -49,12 +72,26 @@ ENDPROC(__get_user_1)
+ ENTRY(__get_user_2)
+ CFI_STARTPROC
+ add $1,%_ASM_AX
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
+ jc bad_get_user
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+-2: movzwl -1(%_ASM_AX),%edx
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
++ cmp %_ASM_DX,%_ASM_AX
++ jae 1234f
++ add %_ASM_DX,%_ASM_AX
++1234:
++#endif
++
++#endif
++
++2: __copyuser_seg movzwl -1(%_ASM_AX),%edx
+ xor %eax,%eax
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(__get_user_2)
+@@ -62,12 +99,26 @@ ENDPROC(__get_user_2)
+ ENTRY(__get_user_4)
+ CFI_STARTPROC
+ add $3,%_ASM_AX
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
+ jc bad_get_user
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+-3: mov -3(%_ASM_AX),%edx
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
++ cmp %_ASM_DX,%_ASM_AX
++ jae 1234f
++ add %_ASM_DX,%_ASM_AX
++1234:
++#endif
++
++#endif
++
++3: __copyuser_seg mov -3(%_ASM_AX),%edx
+ xor %eax,%eax
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(__get_user_4)
+@@ -80,8 +131,18 @@ ENTRY(__get_user_8)
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ mov $PAX_USER_SHADOW_BASE,%_ASM_DX
++ cmp %_ASM_DX,%_ASM_AX
++ jae 1234f
++ add %_ASM_DX,%_ASM_AX
++1234:
++#endif
++
+ 4: movq -7(%_ASM_AX),%_ASM_DX
+ xor %eax,%eax
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(__get_user_8)
+@@ -91,6 +152,7 @@ bad_get_user:
+ CFI_STARTPROC
+ xor %edx,%edx
+ mov $(-EFAULT),%_ASM_AX
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ END(bad_get_user)
+diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
+index b1e6c4b..21ae8fc 100644
+--- a/arch/x86/lib/insn.c
++++ b/arch/x86/lib/insn.c
+@@ -21,6 +21,11 @@
+ #include <linux/string.h>
+ #include <asm/inat.h>
+ #include <asm/insn.h>
++#ifdef __KERNEL__
++#include <asm/pgtable_types.h>
++#else
++#define ktla_ktva(addr) addr
++#endif
+
+ /* Verify next sizeof(t) bytes can be on the same instruction */
+ #define validate_next(t, insn, n) \
+@@ -49,8 +54,8 @@
+ void insn_init(struct insn *insn, const void *kaddr, int x86_64)
+ {
+ memset(insn, 0, sizeof(*insn));
+- insn->kaddr = kaddr;
+- insn->next_byte = kaddr;
++ insn->kaddr = ktla_ktva(kaddr);
++ insn->next_byte = ktla_ktva(kaddr);
+ insn->x86_64 = x86_64 ? 1 : 0;
+ insn->opnd_bytes = 4;
+ if (x86_64)
+diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S
+index 05a95e7..326f2fa 100644
+--- a/arch/x86/lib/iomap_copy_64.S
++++ b/arch/x86/lib/iomap_copy_64.S
+@@ -17,6 +17,7 @@
+
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
++#include <asm/alternative-asm.h>
+
+ /*
+ * override generic version in lib/iomap_copy.c
+@@ -25,6 +26,7 @@ ENTRY(__iowrite32_copy)
+ CFI_STARTPROC
+ movl %edx,%ecx
+ rep movsd
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(__iowrite32_copy)
+diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
+index 1c273be..da9cc0e 100644
+--- a/arch/x86/lib/memcpy_64.S
++++ b/arch/x86/lib/memcpy_64.S
+@@ -33,6 +33,7 @@
+ rep movsq
+ movl %edx, %ecx
+ rep movsb
++ pax_force_retaddr
+ ret
+ .Lmemcpy_e:
+ .previous
+@@ -49,6 +50,7 @@
+ movq %rdi, %rax
+ movq %rdx, %rcx
+ rep movsb
++ pax_force_retaddr
+ ret
+ .Lmemcpy_e_e:
+ .previous
+@@ -76,13 +78,13 @@ ENTRY(memcpy)
+ */
+ movq 0*8(%rsi), %r8
+ movq 1*8(%rsi), %r9
+- movq 2*8(%rsi), %r10
++ movq 2*8(%rsi), %rcx
+ movq 3*8(%rsi), %r11
+ leaq 4*8(%rsi), %rsi
+
+ movq %r8, 0*8(%rdi)
+ movq %r9, 1*8(%rdi)
+- movq %r10, 2*8(%rdi)
++ movq %rcx, 2*8(%rdi)
+ movq %r11, 3*8(%rdi)
+ leaq 4*8(%rdi), %rdi
+ jae .Lcopy_forward_loop
+@@ -105,12 +107,12 @@ ENTRY(memcpy)
+ subq $0x20, %rdx
+ movq -1*8(%rsi), %r8
+ movq -2*8(%rsi), %r9
+- movq -3*8(%rsi), %r10
++ movq -3*8(%rsi), %rcx
+ movq -4*8(%rsi), %r11
+ leaq -4*8(%rsi), %rsi
+ movq %r8, -1*8(%rdi)
+ movq %r9, -2*8(%rdi)
+- movq %r10, -3*8(%rdi)
++ movq %rcx, -3*8(%rdi)
+ movq %r11, -4*8(%rdi)
+ leaq -4*8(%rdi), %rdi
+ jae .Lcopy_backward_loop
+@@ -130,12 +132,13 @@ ENTRY(memcpy)
+ */
+ movq 0*8(%rsi), %r8
+ movq 1*8(%rsi), %r9
+- movq -2*8(%rsi, %rdx), %r10
++ movq -2*8(%rsi, %rdx), %rcx
+ movq -1*8(%rsi, %rdx), %r11
+ movq %r8, 0*8(%rdi)
+ movq %r9, 1*8(%rdi)
+- movq %r10, -2*8(%rdi, %rdx)
++ movq %rcx, -2*8(%rdi, %rdx)
+ movq %r11, -1*8(%rdi, %rdx)
++ pax_force_retaddr
+ retq
+ .p2align 4
+ .Lless_16bytes:
+@@ -148,6 +151,7 @@ ENTRY(memcpy)
+ movq -1*8(%rsi, %rdx), %r9
+ movq %r8, 0*8(%rdi)
+ movq %r9, -1*8(%rdi, %rdx)
++ pax_force_retaddr
+ retq
+ .p2align 4
+ .Lless_8bytes:
+@@ -161,6 +165,7 @@ ENTRY(memcpy)
+ movl -4(%rsi, %rdx), %r8d
+ movl %ecx, (%rdi)
+ movl %r8d, -4(%rdi, %rdx)
++ pax_force_retaddr
+ retq
+ .p2align 4
+ .Lless_3bytes:
+@@ -179,6 +184,7 @@ ENTRY(memcpy)
+ movb %cl, (%rdi)
+
+ .Lend:
++ pax_force_retaddr
+ retq
+ CFI_ENDPROC
+ ENDPROC(memcpy)
+diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
+index ee16461..c39c199 100644
+--- a/arch/x86/lib/memmove_64.S
++++ b/arch/x86/lib/memmove_64.S
+@@ -61,13 +61,13 @@ ENTRY(memmove)
+ 5:
+ sub $0x20, %rdx
+ movq 0*8(%rsi), %r11
+- movq 1*8(%rsi), %r10
++ movq 1*8(%rsi), %rcx
+ movq 2*8(%rsi), %r9
+ movq 3*8(%rsi), %r8
+ leaq 4*8(%rsi), %rsi
+
+ movq %r11, 0*8(%rdi)
+- movq %r10, 1*8(%rdi)
++ movq %rcx, 1*8(%rdi)
+ movq %r9, 2*8(%rdi)
+ movq %r8, 3*8(%rdi)
+ leaq 4*8(%rdi), %rdi
+@@ -81,10 +81,10 @@ ENTRY(memmove)
+ 4:
+ movq %rdx, %rcx
+ movq -8(%rsi, %rdx), %r11
+- lea -8(%rdi, %rdx), %r10
++ lea -8(%rdi, %rdx), %r9
+ shrq $3, %rcx
+ rep movsq
+- movq %r11, (%r10)
++ movq %r11, (%r9)
+ jmp 13f
+ .Lmemmove_end_forward:
+
+@@ -95,14 +95,14 @@ ENTRY(memmove)
+ 7:
+ movq %rdx, %rcx
+ movq (%rsi), %r11
+- movq %rdi, %r10
++ movq %rdi, %r9
+ leaq -8(%rsi, %rdx), %rsi
+ leaq -8(%rdi, %rdx), %rdi
+ shrq $3, %rcx
+ std
+ rep movsq
+ cld
+- movq %r11, (%r10)
++ movq %r11, (%r9)
+ jmp 13f
+
+ /*
+@@ -127,13 +127,13 @@ ENTRY(memmove)
+ 8:
+ subq $0x20, %rdx
+ movq -1*8(%rsi), %r11
+- movq -2*8(%rsi), %r10
++ movq -2*8(%rsi), %rcx
+ movq -3*8(%rsi), %r9
+ movq -4*8(%rsi), %r8
+ leaq -4*8(%rsi), %rsi
+
+ movq %r11, -1*8(%rdi)
+- movq %r10, -2*8(%rdi)
++ movq %rcx, -2*8(%rdi)
+ movq %r9, -3*8(%rdi)
+ movq %r8, -4*8(%rdi)
+ leaq -4*8(%rdi), %rdi
+@@ -151,11 +151,11 @@ ENTRY(memmove)
+ * Move data from 16 bytes to 31 bytes.
+ */
+ movq 0*8(%rsi), %r11
+- movq 1*8(%rsi), %r10
++ movq 1*8(%rsi), %rcx
+ movq -2*8(%rsi, %rdx), %r9
+ movq -1*8(%rsi, %rdx), %r8
+ movq %r11, 0*8(%rdi)
+- movq %r10, 1*8(%rdi)
++ movq %rcx, 1*8(%rdi)
+ movq %r9, -2*8(%rdi, %rdx)
+ movq %r8, -1*8(%rdi, %rdx)
+ jmp 13f
+@@ -167,9 +167,9 @@ ENTRY(memmove)
+ * Move data from 8 bytes to 15 bytes.
+ */
+ movq 0*8(%rsi), %r11
+- movq -1*8(%rsi, %rdx), %r10
++ movq -1*8(%rsi, %rdx), %r9
+ movq %r11, 0*8(%rdi)
+- movq %r10, -1*8(%rdi, %rdx)
++ movq %r9, -1*8(%rdi, %rdx)
+ jmp 13f
+ 10:
+ cmpq $4, %rdx
+@@ -178,9 +178,9 @@ ENTRY(memmove)
+ * Move data from 4 bytes to 7 bytes.
+ */
+ movl (%rsi), %r11d
+- movl -4(%rsi, %rdx), %r10d
++ movl -4(%rsi, %rdx), %r9d
+ movl %r11d, (%rdi)
+- movl %r10d, -4(%rdi, %rdx)
++ movl %r9d, -4(%rdi, %rdx)
+ jmp 13f
+ 11:
+ cmp $2, %rdx
+@@ -189,9 +189,9 @@ ENTRY(memmove)
+ * Move data from 2 bytes to 3 bytes.
+ */
+ movw (%rsi), %r11w
+- movw -2(%rsi, %rdx), %r10w
++ movw -2(%rsi, %rdx), %r9w
+ movw %r11w, (%rdi)
+- movw %r10w, -2(%rdi, %rdx)
++ movw %r9w, -2(%rdi, %rdx)
+ jmp 13f
+ 12:
+ cmp $1, %rdx
+@@ -202,6 +202,7 @@ ENTRY(memmove)
+ movb (%rsi), %r11b
+ movb %r11b, (%rdi)
+ 13:
++ pax_force_retaddr
+ retq
+ CFI_ENDPROC
+
+@@ -210,6 +211,7 @@ ENTRY(memmove)
+ /* Forward moving data. */
+ movq %rdx, %rcx
+ rep movsb
++ pax_force_retaddr
+ retq
+ .Lmemmove_end_forward_efs:
+ .previous
+diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S
+index 2dcb380..963660a 100644
+--- a/arch/x86/lib/memset_64.S
++++ b/arch/x86/lib/memset_64.S
+@@ -30,6 +30,7 @@
+ movl %edx,%ecx
+ rep stosb
+ movq %r9,%rax
++ pax_force_retaddr
+ ret
+ .Lmemset_e:
+ .previous
+@@ -52,6 +53,7 @@
+ movq %rdx,%rcx
+ rep stosb
+ movq %r9,%rax
++ pax_force_retaddr
+ ret
+ .Lmemset_e_e:
+ .previous
+@@ -59,7 +61,7 @@
+ ENTRY(memset)
+ ENTRY(__memset)
+ CFI_STARTPROC
+- movq %rdi,%r10
++ movq %rdi,%r11
+
+ /* expand byte value */
+ movzbl %sil,%ecx
+@@ -117,7 +119,8 @@ ENTRY(__memset)
+ jnz .Lloop_1
+
+ .Lende:
+- movq %r10,%rax
++ movq %r11,%rax
++ pax_force_retaddr
+ ret
+
+ CFI_RESTORE_STATE
+diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c
+index c9f2d9b..e7fd2c0 100644
+--- a/arch/x86/lib/mmx_32.c
++++ b/arch/x86/lib/mmx_32.c
+@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
+ {
+ void *p;
+ int i;
++ unsigned long cr0;
+
+ if (unlikely(in_interrupt()))
+ return __memcpy(to, from, len);
+@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
+ kernel_fpu_begin();
+
+ __asm__ __volatile__ (
+- "1: prefetch (%0)\n" /* This set is 28 bytes */
+- " prefetch 64(%0)\n"
+- " prefetch 128(%0)\n"
+- " prefetch 192(%0)\n"
+- " prefetch 256(%0)\n"
++ "1: prefetch (%1)\n" /* This set is 28 bytes */
++ " prefetch 64(%1)\n"
++ " prefetch 128(%1)\n"
++ " prefetch 192(%1)\n"
++ " prefetch 256(%1)\n"
+ "2: \n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++ "3: \n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+- : : "r" (from));
++ : "=&r" (cr0) : "r" (from) : "ax");
+
+ for ( ; i > 5; i--) {
+ __asm__ __volatile__ (
+- "1: prefetch 320(%0)\n"
+- "2: movq (%0), %%mm0\n"
+- " movq 8(%0), %%mm1\n"
+- " movq 16(%0), %%mm2\n"
+- " movq 24(%0), %%mm3\n"
+- " movq %%mm0, (%1)\n"
+- " movq %%mm1, 8(%1)\n"
+- " movq %%mm2, 16(%1)\n"
+- " movq %%mm3, 24(%1)\n"
+- " movq 32(%0), %%mm0\n"
+- " movq 40(%0), %%mm1\n"
+- " movq 48(%0), %%mm2\n"
+- " movq 56(%0), %%mm3\n"
+- " movq %%mm0, 32(%1)\n"
+- " movq %%mm1, 40(%1)\n"
+- " movq %%mm2, 48(%1)\n"
+- " movq %%mm3, 56(%1)\n"
++ "1: prefetch 320(%1)\n"
++ "2: movq (%1), %%mm0\n"
++ " movq 8(%1), %%mm1\n"
++ " movq 16(%1), %%mm2\n"
++ " movq 24(%1), %%mm3\n"
++ " movq %%mm0, (%2)\n"
++ " movq %%mm1, 8(%2)\n"
++ " movq %%mm2, 16(%2)\n"
++ " movq %%mm3, 24(%2)\n"
++ " movq 32(%1), %%mm0\n"
++ " movq 40(%1), %%mm1\n"
++ " movq 48(%1), %%mm2\n"
++ " movq 56(%1), %%mm3\n"
++ " movq %%mm0, 32(%2)\n"
++ " movq %%mm1, 40(%2)\n"
++ " movq %%mm2, 48(%2)\n"
++ " movq %%mm3, 56(%2)\n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++ "3:\n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+- : : "r" (from), "r" (to) : "memory");
++ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
+
+ from += 64;
+ to += 64;
+@@ -158,6 +187,7 @@ static void fast_clear_page(void *page)
+ static void fast_copy_page(void *to, void *from)
+ {
+ int i;
++ unsigned long cr0;
+
+ kernel_fpu_begin();
+
+@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from)
+ * but that is for later. -AV
+ */
+ __asm__ __volatile__(
+- "1: prefetch (%0)\n"
+- " prefetch 64(%0)\n"
+- " prefetch 128(%0)\n"
+- " prefetch 192(%0)\n"
+- " prefetch 256(%0)\n"
++ "1: prefetch (%1)\n"
++ " prefetch 64(%1)\n"
++ " prefetch 128(%1)\n"
++ " prefetch 192(%1)\n"
++ " prefetch 256(%1)\n"
+ "2: \n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++ "3: \n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+- _ASM_EXTABLE(1b, 3b) : : "r" (from));
++ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
+
+ for (i = 0; i < (4096-320)/64; i++) {
+ __asm__ __volatile__ (
+- "1: prefetch 320(%0)\n"
+- "2: movq (%0), %%mm0\n"
+- " movntq %%mm0, (%1)\n"
+- " movq 8(%0), %%mm1\n"
+- " movntq %%mm1, 8(%1)\n"
+- " movq 16(%0), %%mm2\n"
+- " movntq %%mm2, 16(%1)\n"
+- " movq 24(%0), %%mm3\n"
+- " movntq %%mm3, 24(%1)\n"
+- " movq 32(%0), %%mm4\n"
+- " movntq %%mm4, 32(%1)\n"
+- " movq 40(%0), %%mm5\n"
+- " movntq %%mm5, 40(%1)\n"
+- " movq 48(%0), %%mm6\n"
+- " movntq %%mm6, 48(%1)\n"
+- " movq 56(%0), %%mm7\n"
+- " movntq %%mm7, 56(%1)\n"
++ "1: prefetch 320(%1)\n"
++ "2: movq (%1), %%mm0\n"
++ " movntq %%mm0, (%2)\n"
++ " movq 8(%1), %%mm1\n"
++ " movntq %%mm1, 8(%2)\n"
++ " movq 16(%1), %%mm2\n"
++ " movntq %%mm2, 16(%2)\n"
++ " movq 24(%1), %%mm3\n"
++ " movntq %%mm3, 24(%2)\n"
++ " movq 32(%1), %%mm4\n"
++ " movntq %%mm4, 32(%2)\n"
++ " movq 40(%1), %%mm5\n"
++ " movntq %%mm5, 40(%2)\n"
++ " movq 48(%1), %%mm6\n"
++ " movntq %%mm6, 48(%2)\n"
++ " movq 56(%1), %%mm7\n"
++ " movntq %%mm7, 56(%2)\n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++ "3:\n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory");
++ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
+
+ from += 64;
+ to += 64;
+@@ -280,47 +338,76 @@ static void fast_clear_page(void *page)
+ static void fast_copy_page(void *to, void *from)
+ {
+ int i;
++ unsigned long cr0;
+
+ kernel_fpu_begin();
+
+ __asm__ __volatile__ (
+- "1: prefetch (%0)\n"
+- " prefetch 64(%0)\n"
+- " prefetch 128(%0)\n"
+- " prefetch 192(%0)\n"
+- " prefetch 256(%0)\n"
++ "1: prefetch (%1)\n"
++ " prefetch 64(%1)\n"
++ " prefetch 128(%1)\n"
++ " prefetch 192(%1)\n"
++ " prefetch 256(%1)\n"
+ "2: \n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++ "3: \n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+- _ASM_EXTABLE(1b, 3b) : : "r" (from));
++ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
+
+ for (i = 0; i < 4096/64; i++) {
+ __asm__ __volatile__ (
+- "1: prefetch 320(%0)\n"
+- "2: movq (%0), %%mm0\n"
+- " movq 8(%0), %%mm1\n"
+- " movq 16(%0), %%mm2\n"
+- " movq 24(%0), %%mm3\n"
+- " movq %%mm0, (%1)\n"
+- " movq %%mm1, 8(%1)\n"
+- " movq %%mm2, 16(%1)\n"
+- " movq %%mm3, 24(%1)\n"
+- " movq 32(%0), %%mm0\n"
+- " movq 40(%0), %%mm1\n"
+- " movq 48(%0), %%mm2\n"
+- " movq 56(%0), %%mm3\n"
+- " movq %%mm0, 32(%1)\n"
+- " movq %%mm1, 40(%1)\n"
+- " movq %%mm2, 48(%1)\n"
+- " movq %%mm3, 56(%1)\n"
++ "1: prefetch 320(%1)\n"
++ "2: movq (%1), %%mm0\n"
++ " movq 8(%1), %%mm1\n"
++ " movq 16(%1), %%mm2\n"
++ " movq 24(%1), %%mm3\n"
++ " movq %%mm0, (%2)\n"
++ " movq %%mm1, 8(%2)\n"
++ " movq %%mm2, 16(%2)\n"
++ " movq %%mm3, 24(%2)\n"
++ " movq 32(%1), %%mm0\n"
++ " movq 40(%1), %%mm1\n"
++ " movq 48(%1), %%mm2\n"
++ " movq 56(%1), %%mm3\n"
++ " movq %%mm0, 32(%2)\n"
++ " movq %%mm1, 40(%2)\n"
++ " movq %%mm2, 48(%2)\n"
++ " movq %%mm3, 56(%2)\n"
+ ".section .fixup, \"ax\"\n"
+- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++ "3:\n"
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %%cr0, %0\n"
++ " movl %0, %%eax\n"
++ " andl $0xFFFEFFFF, %%eax\n"
++ " movl %%eax, %%cr0\n"
++#endif
++
++ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
++
++#ifdef CONFIG_PAX_KERNEXEC
++ " movl %0, %%cr0\n"
++#endif
++
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+- : : "r" (from), "r" (to) : "memory");
++ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
+
+ from += 64;
+ to += 64;
+diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S
+index f6d13ee..aca5f0b 100644
+--- a/arch/x86/lib/msr-reg.S
++++ b/arch/x86/lib/msr-reg.S
+@@ -3,6 +3,7 @@
+ #include <asm/dwarf2.h>
+ #include <asm/asm.h>
+ #include <asm/msr.h>
++#include <asm/alternative-asm.h>
+
+ #ifdef CONFIG_X86_64
+ /*
+@@ -16,7 +17,7 @@ ENTRY(\op\()_safe_regs)
+ CFI_STARTPROC
+ pushq_cfi %rbx
+ pushq_cfi %rbp
+- movq %rdi, %r10 /* Save pointer */
++ movq %rdi, %r9 /* Save pointer */
+ xorl %r11d, %r11d /* Return value */
+ movl (%rdi), %eax
+ movl 4(%rdi), %ecx
+@@ -27,16 +28,17 @@ ENTRY(\op\()_safe_regs)
+ movl 28(%rdi), %edi
+ CFI_REMEMBER_STATE
+ 1: \op
+-2: movl %eax, (%r10)
++2: movl %eax, (%r9)
+ movl %r11d, %eax /* Return value */
+- movl %ecx, 4(%r10)
+- movl %edx, 8(%r10)
+- movl %ebx, 12(%r10)
+- movl %ebp, 20(%r10)
+- movl %esi, 24(%r10)
+- movl %edi, 28(%r10)
++ movl %ecx, 4(%r9)
++ movl %edx, 8(%r9)
++ movl %ebx, 12(%r9)
++ movl %ebp, 20(%r9)
++ movl %esi, 24(%r9)
++ movl %edi, 28(%r9)
+ popq_cfi %rbp
+ popq_cfi %rbx
++ pax_force_retaddr
+ ret
+ 3:
+ CFI_RESTORE_STATE
+diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S
+index 7f951c8..ebd573a 100644
+--- a/arch/x86/lib/putuser.S
++++ b/arch/x86/lib/putuser.S
+@@ -15,7 +15,9 @@
+ #include <asm/thread_info.h>
+ #include <asm/errno.h>
+ #include <asm/asm.h>
+-
++#include <asm/segment.h>
++#include <asm/pgtable.h>
++#include <asm/alternative-asm.h>
+
+ /*
+ * __put_user_X
+@@ -29,52 +31,119 @@
+ * as they get called from within inline assembly.
+ */
+
+-#define ENTER CFI_STARTPROC ; \
+- GET_THREAD_INFO(%_ASM_BX)
+-#define EXIT ret ; \
++#define ENTER CFI_STARTPROC
++#define EXIT pax_force_retaddr; ret ; \
+ CFI_ENDPROC
+
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define _DEST %_ASM_CX,%_ASM_BX
++#else
++#define _DEST %_ASM_CX
++#endif
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#define __copyuser_seg gs;
++#else
++#define __copyuser_seg
++#endif
++
+ .text
+ ENTRY(__put_user_1)
+ ENTER
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
++ GET_THREAD_INFO(%_ASM_BX)
+ cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
+ jae bad_put_user
+-1: movb %al,(%_ASM_CX)
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
++ cmp %_ASM_BX,%_ASM_CX
++ jb 1234f
++ xor %ebx,%ebx
++1234:
++#endif
++
++#endif
++
++1: __copyuser_seg movb %al,(_DEST)
+ xor %eax,%eax
+ EXIT
+ ENDPROC(__put_user_1)
+
+ ENTRY(__put_user_2)
+ ENTER
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
++ GET_THREAD_INFO(%_ASM_BX)
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $1,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
+ jae bad_put_user
+-2: movw %ax,(%_ASM_CX)
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
++ cmp %_ASM_BX,%_ASM_CX
++ jb 1234f
++ xor %ebx,%ebx
++1234:
++#endif
++
++#endif
++
++2: __copyuser_seg movw %ax,(_DEST)
+ xor %eax,%eax
+ EXIT
+ ENDPROC(__put_user_2)
+
+ ENTRY(__put_user_4)
+ ENTER
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
++ GET_THREAD_INFO(%_ASM_BX)
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $3,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
+ jae bad_put_user
+-3: movl %eax,(%_ASM_CX)
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
++ cmp %_ASM_BX,%_ASM_CX
++ jb 1234f
++ xor %ebx,%ebx
++1234:
++#endif
++
++#endif
++
++3: __copyuser_seg movl %eax,(_DEST)
+ xor %eax,%eax
+ EXIT
+ ENDPROC(__put_user_4)
+
+ ENTRY(__put_user_8)
+ ENTER
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
++ GET_THREAD_INFO(%_ASM_BX)
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $7,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
+ jae bad_put_user
+-4: mov %_ASM_AX,(%_ASM_CX)
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ mov $PAX_USER_SHADOW_BASE,%_ASM_BX
++ cmp %_ASM_BX,%_ASM_CX
++ jb 1234f
++ xor %ebx,%ebx
++1234:
++#endif
++
++#endif
++
++4: __copyuser_seg mov %_ASM_AX,(_DEST)
+ #ifdef CONFIG_X86_32
+-5: movl %edx,4(%_ASM_CX)
++5: __copyuser_seg movl %edx,4(_DEST)
+ #endif
+ xor %eax,%eax
+ EXIT
+diff --git a/arch/x86/lib/rwlock.S b/arch/x86/lib/rwlock.S
+index 1cad221..de671ee 100644
+--- a/arch/x86/lib/rwlock.S
++++ b/arch/x86/lib/rwlock.S
+@@ -16,13 +16,34 @@ ENTRY(__write_lock_failed)
+ FRAME
+ 0: LOCK_PREFIX
+ WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 1234f
++ LOCK_PREFIX
++ WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr)
++ int $4
++1234:
++ _ASM_EXTABLE(1234b, 1234b)
++#endif
++
+ 1: rep; nop
+ cmpl $WRITE_LOCK_CMP, (%__lock_ptr)
+ jne 1b
+ LOCK_PREFIX
+ WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 1234f
++ LOCK_PREFIX
++ WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr)
++ int $4
++1234:
++ _ASM_EXTABLE(1234b, 1234b)
++#endif
++
+ jnz 0b
+ ENDFRAME
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ END(__write_lock_failed)
+@@ -32,13 +53,34 @@ ENTRY(__read_lock_failed)
+ FRAME
+ 0: LOCK_PREFIX
+ READ_LOCK_SIZE(inc) (%__lock_ptr)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 1234f
++ LOCK_PREFIX
++ READ_LOCK_SIZE(dec) (%__lock_ptr)
++ int $4
++1234:
++ _ASM_EXTABLE(1234b, 1234b)
++#endif
++
+ 1: rep; nop
+ READ_LOCK_SIZE(cmp) $1, (%__lock_ptr)
+ js 1b
+ LOCK_PREFIX
+ READ_LOCK_SIZE(dec) (%__lock_ptr)
++
++#ifdef CONFIG_PAX_REFCOUNT
++ jno 1234f
++ LOCK_PREFIX
++ READ_LOCK_SIZE(inc) (%__lock_ptr)
++ int $4
++1234:
++ _ASM_EXTABLE(1234b, 1234b)
++#endif
++
+ js 0b
+ ENDFRAME
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ END(__read_lock_failed)
+diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S
+index 5dff5f0..cadebf4 100644
+--- a/arch/x86/lib/rwsem.S
++++ b/arch/x86/lib/rwsem.S
+@@ -94,6 +94,7 @@ ENTRY(call_rwsem_down_read_failed)
+ __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
+ CFI_RESTORE __ASM_REG(dx)
+ restore_common_regs
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(call_rwsem_down_read_failed)
+@@ -104,6 +105,7 @@ ENTRY(call_rwsem_down_write_failed)
+ movq %rax,%rdi
+ call rwsem_down_write_failed
+ restore_common_regs
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(call_rwsem_down_write_failed)
+@@ -117,7 +119,8 @@ ENTRY(call_rwsem_wake)
+ movq %rax,%rdi
+ call rwsem_wake
+ restore_common_regs
+-1: ret
++1: pax_force_retaddr
++ ret
+ CFI_ENDPROC
+ ENDPROC(call_rwsem_wake)
+
+@@ -131,6 +134,7 @@ ENTRY(call_rwsem_downgrade_wake)
+ __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
+ CFI_RESTORE __ASM_REG(dx)
+ restore_common_regs
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+ ENDPROC(call_rwsem_downgrade_wake)
+diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
+index a63efd6..ccecad8 100644
+--- a/arch/x86/lib/thunk_64.S
++++ b/arch/x86/lib/thunk_64.S
+@@ -8,6 +8,7 @@
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
+ #include <asm/calling.h>
++#include <asm/alternative-asm.h>
+
+ /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
+ .macro THUNK name, func, put_ret_addr_in_rdi=0
+@@ -41,5 +42,6 @@
+ SAVE_ARGS
+ restore:
+ RESTORE_ARGS
++ pax_force_retaddr
+ ret
+ CFI_ENDPROC
+diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
+index 1781b2f..90368dd 100644
+--- a/arch/x86/lib/usercopy_32.c
++++ b/arch/x86/lib/usercopy_32.c
+@@ -42,10 +42,12 @@ do { \
+ int __d0; \
+ might_fault(); \
+ __asm__ __volatile__( \
++ __COPYUSER_SET_ES \
+ "0: rep; stosl\n" \
+ " movl %2,%0\n" \
+ "1: rep; stosb\n" \
+ "2:\n" \
++ __COPYUSER_RESTORE_ES \
+ ".section .fixup,\"ax\"\n" \
+ "3: lea 0(%2,%0,4),%0\n" \
+ " jmp 2b\n" \
+@@ -97,7 +99,7 @@ EXPORT_SYMBOL(__clear_user);
+
+ #ifdef CONFIG_X86_INTEL_USERCOPY
+ static unsigned long
+-__copy_user_intel(void __user *to, const void *from, unsigned long size)
++__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size)
+ {
+ int d0, d1;
+ __asm__ __volatile__(
+@@ -109,36 +111,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
+ " .align 2,0x90\n"
+ "3: movl 0(%4), %%eax\n"
+ "4: movl 4(%4), %%edx\n"
+- "5: movl %%eax, 0(%3)\n"
+- "6: movl %%edx, 4(%3)\n"
++ "5: "__copyuser_seg" movl %%eax, 0(%3)\n"
++ "6: "__copyuser_seg" movl %%edx, 4(%3)\n"
+ "7: movl 8(%4), %%eax\n"
+ "8: movl 12(%4),%%edx\n"
+- "9: movl %%eax, 8(%3)\n"
+- "10: movl %%edx, 12(%3)\n"
++ "9: "__copyuser_seg" movl %%eax, 8(%3)\n"
++ "10: "__copyuser_seg" movl %%edx, 12(%3)\n"
+ "11: movl 16(%4), %%eax\n"
+ "12: movl 20(%4), %%edx\n"
+- "13: movl %%eax, 16(%3)\n"
+- "14: movl %%edx, 20(%3)\n"
++ "13: "__copyuser_seg" movl %%eax, 16(%3)\n"
++ "14: "__copyuser_seg" movl %%edx, 20(%3)\n"
+ "15: movl 24(%4), %%eax\n"
+ "16: movl 28(%4), %%edx\n"
+- "17: movl %%eax, 24(%3)\n"
+- "18: movl %%edx, 28(%3)\n"
++ "17: "__copyuser_seg" movl %%eax, 24(%3)\n"
++ "18: "__copyuser_seg" movl %%edx, 28(%3)\n"
+ "19: movl 32(%4), %%eax\n"
+ "20: movl 36(%4), %%edx\n"
+- "21: movl %%eax, 32(%3)\n"
+- "22: movl %%edx, 36(%3)\n"
++ "21: "__copyuser_seg" movl %%eax, 32(%3)\n"
++ "22: "__copyuser_seg" movl %%edx, 36(%3)\n"
+ "23: movl 40(%4), %%eax\n"
+ "24: movl 44(%4), %%edx\n"
+- "25: movl %%eax, 40(%3)\n"
+- "26: movl %%edx, 44(%3)\n"
++ "25: "__copyuser_seg" movl %%eax, 40(%3)\n"
++ "26: "__copyuser_seg" movl %%edx, 44(%3)\n"
+ "27: movl 48(%4), %%eax\n"
+ "28: movl 52(%4), %%edx\n"
+- "29: movl %%eax, 48(%3)\n"
+- "30: movl %%edx, 52(%3)\n"
++ "29: "__copyuser_seg" movl %%eax, 48(%3)\n"
++ "30: "__copyuser_seg" movl %%edx, 52(%3)\n"
+ "31: movl 56(%4), %%eax\n"
+ "32: movl 60(%4), %%edx\n"
+- "33: movl %%eax, 56(%3)\n"
+- "34: movl %%edx, 60(%3)\n"
++ "33: "__copyuser_seg" movl %%eax, 56(%3)\n"
++ "34: "__copyuser_seg" movl %%edx, 60(%3)\n"
+ " addl $-64, %0\n"
+ " addl $64, %4\n"
+ " addl $64, %3\n"
+@@ -148,10 +150,12 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
+ " shrl $2, %0\n"
+ " andl $3, %%eax\n"
+ " cld\n"
++ __COPYUSER_SET_ES
+ "99: rep; movsl\n"
+ "36: movl %%eax, %0\n"
+ "37: rep; movsb\n"
+ "100:\n"
++ __COPYUSER_RESTORE_ES
+ ".section .fixup,\"ax\"\n"
+ "101: lea 0(%%eax,%0,4),%0\n"
+ " jmp 100b\n"
+@@ -201,46 +205,150 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
+ }
+
+ static unsigned long
++__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size)
++{
++ int d0, d1;
++ __asm__ __volatile__(
++ " .align 2,0x90\n"
++ "1: "__copyuser_seg" movl 32(%4), %%eax\n"
++ " cmpl $67, %0\n"
++ " jbe 3f\n"
++ "2: "__copyuser_seg" movl 64(%4), %%eax\n"
++ " .align 2,0x90\n"
++ "3: "__copyuser_seg" movl 0(%4), %%eax\n"
++ "4: "__copyuser_seg" movl 4(%4), %%edx\n"
++ "5: movl %%eax, 0(%3)\n"
++ "6: movl %%edx, 4(%3)\n"
++ "7: "__copyuser_seg" movl 8(%4), %%eax\n"
++ "8: "__copyuser_seg" movl 12(%4),%%edx\n"
++ "9: movl %%eax, 8(%3)\n"
++ "10: movl %%edx, 12(%3)\n"
++ "11: "__copyuser_seg" movl 16(%4), %%eax\n"
++ "12: "__copyuser_seg" movl 20(%4), %%edx\n"
++ "13: movl %%eax, 16(%3)\n"
++ "14: movl %%edx, 20(%3)\n"
++ "15: "__copyuser_seg" movl 24(%4), %%eax\n"
++ "16: "__copyuser_seg" movl 28(%4), %%edx\n"
++ "17: movl %%eax, 24(%3)\n"
++ "18: movl %%edx, 28(%3)\n"
++ "19: "__copyuser_seg" movl 32(%4), %%eax\n"
++ "20: "__copyuser_seg" movl 36(%4), %%edx\n"
++ "21: movl %%eax, 32(%3)\n"
++ "22: movl %%edx, 36(%3)\n"
++ "23: "__copyuser_seg" movl 40(%4), %%eax\n"
++ "24: "__copyuser_seg" movl 44(%4), %%edx\n"
++ "25: movl %%eax, 40(%3)\n"
++ "26: movl %%edx, 44(%3)\n"
++ "27: "__copyuser_seg" movl 48(%4), %%eax\n"
++ "28: "__copyuser_seg" movl 52(%4), %%edx\n"
++ "29: movl %%eax, 48(%3)\n"
++ "30: movl %%edx, 52(%3)\n"
++ "31: "__copyuser_seg" movl 56(%4), %%eax\n"
++ "32: "__copyuser_seg" movl 60(%4), %%edx\n"
++ "33: movl %%eax, 56(%3)\n"
++ "34: movl %%edx, 60(%3)\n"
++ " addl $-64, %0\n"
++ " addl $64, %4\n"
++ " addl $64, %3\n"
++ " cmpl $63, %0\n"
++ " ja 1b\n"
++ "35: movl %0, %%eax\n"
++ " shrl $2, %0\n"
++ " andl $3, %%eax\n"
++ " cld\n"
++ "99: rep; "__copyuser_seg" movsl\n"
++ "36: movl %%eax, %0\n"
++ "37: rep; "__copyuser_seg" movsb\n"
++ "100:\n"
++ ".section .fixup,\"ax\"\n"
++ "101: lea 0(%%eax,%0,4),%0\n"
++ " jmp 100b\n"
++ ".previous\n"
++ _ASM_EXTABLE(1b,100b)
++ _ASM_EXTABLE(2b,100b)
++ _ASM_EXTABLE(3b,100b)
++ _ASM_EXTABLE(4b,100b)
++ _ASM_EXTABLE(5b,100b)
++ _ASM_EXTABLE(6b,100b)
++ _ASM_EXTABLE(7b,100b)
++ _ASM_EXTABLE(8b,100b)
++ _ASM_EXTABLE(9b,100b)
++ _ASM_EXTABLE(10b,100b)
++ _ASM_EXTABLE(11b,100b)
++ _ASM_EXTABLE(12b,100b)
++ _ASM_EXTABLE(13b,100b)
++ _ASM_EXTABLE(14b,100b)
++ _ASM_EXTABLE(15b,100b)
++ _ASM_EXTABLE(16b,100b)
++ _ASM_EXTABLE(17b,100b)
++ _ASM_EXTABLE(18b,100b)
++ _ASM_EXTABLE(19b,100b)
++ _ASM_EXTABLE(20b,100b)
++ _ASM_EXTABLE(21b,100b)
++ _ASM_EXTABLE(22b,100b)
++ _ASM_EXTABLE(23b,100b)
++ _ASM_EXTABLE(24b,100b)
++ _ASM_EXTABLE(25b,100b)
++ _ASM_EXTABLE(26b,100b)
++ _ASM_EXTABLE(27b,100b)
++ _ASM_EXTABLE(28b,100b)
++ _ASM_EXTABLE(29b,100b)
++ _ASM_EXTABLE(30b,100b)
++ _ASM_EXTABLE(31b,100b)
++ _ASM_EXTABLE(32b,100b)
++ _ASM_EXTABLE(33b,100b)
++ _ASM_EXTABLE(34b,100b)
++ _ASM_EXTABLE(35b,100b)
++ _ASM_EXTABLE(36b,100b)
++ _ASM_EXTABLE(37b,100b)
++ _ASM_EXTABLE(99b,101b)
++ : "=&c"(size), "=&D" (d0), "=&S" (d1)
++ : "1"(to), "2"(from), "0"(size)
++ : "eax", "edx", "memory");
++ return size;
++}
++
++static unsigned long __size_overflow(3)
+ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
+ {
+ int d0, d1;
+ __asm__ __volatile__(
+ " .align 2,0x90\n"
+- "0: movl 32(%4), %%eax\n"
++ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
+ " cmpl $67, %0\n"
+ " jbe 2f\n"
+- "1: movl 64(%4), %%eax\n"
++ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
+ " .align 2,0x90\n"
+- "2: movl 0(%4), %%eax\n"
+- "21: movl 4(%4), %%edx\n"
++ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
++ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
+ " movl %%eax, 0(%3)\n"
+ " movl %%edx, 4(%3)\n"
+- "3: movl 8(%4), %%eax\n"
+- "31: movl 12(%4),%%edx\n"
++ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
++ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
+ " movl %%eax, 8(%3)\n"
+ " movl %%edx, 12(%3)\n"
+- "4: movl 16(%4), %%eax\n"
+- "41: movl 20(%4), %%edx\n"
++ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
++ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
+ " movl %%eax, 16(%3)\n"
+ " movl %%edx, 20(%3)\n"
+- "10: movl 24(%4), %%eax\n"
+- "51: movl 28(%4), %%edx\n"
++ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
++ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
+ " movl %%eax, 24(%3)\n"
+ " movl %%edx, 28(%3)\n"
+- "11: movl 32(%4), %%eax\n"
+- "61: movl 36(%4), %%edx\n"
++ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
++ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
+ " movl %%eax, 32(%3)\n"
+ " movl %%edx, 36(%3)\n"
+- "12: movl 40(%4), %%eax\n"
+- "71: movl 44(%4), %%edx\n"
++ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
++ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
+ " movl %%eax, 40(%3)\n"
+ " movl %%edx, 44(%3)\n"
+- "13: movl 48(%4), %%eax\n"
+- "81: movl 52(%4), %%edx\n"
++ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
++ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
+ " movl %%eax, 48(%3)\n"
+ " movl %%edx, 52(%3)\n"
+- "14: movl 56(%4), %%eax\n"
+- "91: movl 60(%4), %%edx\n"
++ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
++ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
+ " movl %%eax, 56(%3)\n"
+ " movl %%edx, 60(%3)\n"
+ " addl $-64, %0\n"
+@@ -252,9 +360,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
+ " shrl $2, %0\n"
+ " andl $3, %%eax\n"
+ " cld\n"
+- "6: rep; movsl\n"
++ "6: rep; "__copyuser_seg" movsl\n"
+ " movl %%eax,%0\n"
+- "7: rep; movsb\n"
++ "7: rep; "__copyuser_seg" movsb\n"
+ "8:\n"
+ ".section .fixup,\"ax\"\n"
+ "9: lea 0(%%eax,%0,4),%0\n"
+@@ -297,48 +405,48 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
+ * hyoshiok(a)miraclelinux.com
+ */
+
+-static unsigned long __copy_user_zeroing_intel_nocache(void *to,
++static unsigned long __size_overflow(3) __copy_user_zeroing_intel_nocache(void *to,
+ const void __user *from, unsigned long size)
+ {
+ int d0, d1;
+
+ __asm__ __volatile__(
+ " .align 2,0x90\n"
+- "0: movl 32(%4), %%eax\n"
++ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
+ " cmpl $67, %0\n"
+ " jbe 2f\n"
+- "1: movl 64(%4), %%eax\n"
++ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
+ " .align 2,0x90\n"
+- "2: movl 0(%4), %%eax\n"
+- "21: movl 4(%4), %%edx\n"
++ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
++ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
+ " movnti %%eax, 0(%3)\n"
+ " movnti %%edx, 4(%3)\n"
+- "3: movl 8(%4), %%eax\n"
+- "31: movl 12(%4),%%edx\n"
++ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
++ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
+ " movnti %%eax, 8(%3)\n"
+ " movnti %%edx, 12(%3)\n"
+- "4: movl 16(%4), %%eax\n"
+- "41: movl 20(%4), %%edx\n"
++ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
++ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
+ " movnti %%eax, 16(%3)\n"
+ " movnti %%edx, 20(%3)\n"
+- "10: movl 24(%4), %%eax\n"
+- "51: movl 28(%4), %%edx\n"
++ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
++ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
+ " movnti %%eax, 24(%3)\n"
+ " movnti %%edx, 28(%3)\n"
+- "11: movl 32(%4), %%eax\n"
+- "61: movl 36(%4), %%edx\n"
++ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
++ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
+ " movnti %%eax, 32(%3)\n"
+ " movnti %%edx, 36(%3)\n"
+- "12: movl 40(%4), %%eax\n"
+- "71: movl 44(%4), %%edx\n"
++ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
++ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
+ " movnti %%eax, 40(%3)\n"
+ " movnti %%edx, 44(%3)\n"
+- "13: movl 48(%4), %%eax\n"
+- "81: movl 52(%4), %%edx\n"
++ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
++ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
+ " movnti %%eax, 48(%3)\n"
+ " movnti %%edx, 52(%3)\n"
+- "14: movl 56(%4), %%eax\n"
+- "91: movl 60(%4), %%edx\n"
++ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
++ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
+ " movnti %%eax, 56(%3)\n"
+ " movnti %%edx, 60(%3)\n"
+ " addl $-64, %0\n"
+@@ -351,9 +459,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
+ " shrl $2, %0\n"
+ " andl $3, %%eax\n"
+ " cld\n"
+- "6: rep; movsl\n"
++ "6: rep; "__copyuser_seg" movsl\n"
+ " movl %%eax,%0\n"
+- "7: rep; movsb\n"
++ "7: rep; "__copyuser_seg" movsb\n"
+ "8:\n"
+ ".section .fixup,\"ax\"\n"
+ "9: lea 0(%%eax,%0,4),%0\n"
+@@ -391,48 +499,48 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
+ return size;
+ }
+
+-static unsigned long __copy_user_intel_nocache(void *to,
++static unsigned long __size_overflow(3) __copy_user_intel_nocache(void *to,
+ const void __user *from, unsigned long size)
+ {
+ int d0, d1;
+
+ __asm__ __volatile__(
+ " .align 2,0x90\n"
+- "0: movl 32(%4), %%eax\n"
++ "0: "__copyuser_seg" movl 32(%4), %%eax\n"
+ " cmpl $67, %0\n"
+ " jbe 2f\n"
+- "1: movl 64(%4), %%eax\n"
++ "1: "__copyuser_seg" movl 64(%4), %%eax\n"
+ " .align 2,0x90\n"
+- "2: movl 0(%4), %%eax\n"
+- "21: movl 4(%4), %%edx\n"
++ "2: "__copyuser_seg" movl 0(%4), %%eax\n"
++ "21: "__copyuser_seg" movl 4(%4), %%edx\n"
+ " movnti %%eax, 0(%3)\n"
+ " movnti %%edx, 4(%3)\n"
+- "3: movl 8(%4), %%eax\n"
+- "31: movl 12(%4),%%edx\n"
++ "3: "__copyuser_seg" movl 8(%4), %%eax\n"
++ "31: "__copyuser_seg" movl 12(%4),%%edx\n"
+ " movnti %%eax, 8(%3)\n"
+ " movnti %%edx, 12(%3)\n"
+- "4: movl 16(%4), %%eax\n"
+- "41: movl 20(%4), %%edx\n"
++ "4: "__copyuser_seg" movl 16(%4), %%eax\n"
++ "41: "__copyuser_seg" movl 20(%4), %%edx\n"
+ " movnti %%eax, 16(%3)\n"
+ " movnti %%edx, 20(%3)\n"
+- "10: movl 24(%4), %%eax\n"
+- "51: movl 28(%4), %%edx\n"
++ "10: "__copyuser_seg" movl 24(%4), %%eax\n"
++ "51: "__copyuser_seg" movl 28(%4), %%edx\n"
+ " movnti %%eax, 24(%3)\n"
+ " movnti %%edx, 28(%3)\n"
+- "11: movl 32(%4), %%eax\n"
+- "61: movl 36(%4), %%edx\n"
++ "11: "__copyuser_seg" movl 32(%4), %%eax\n"
++ "61: "__copyuser_seg" movl 36(%4), %%edx\n"
+ " movnti %%eax, 32(%3)\n"
+ " movnti %%edx, 36(%3)\n"
+- "12: movl 40(%4), %%eax\n"
+- "71: movl 44(%4), %%edx\n"
++ "12: "__copyuser_seg" movl 40(%4), %%eax\n"
++ "71: "__copyuser_seg" movl 44(%4), %%edx\n"
+ " movnti %%eax, 40(%3)\n"
+ " movnti %%edx, 44(%3)\n"
+- "13: movl 48(%4), %%eax\n"
+- "81: movl 52(%4), %%edx\n"
++ "13: "__copyuser_seg" movl 48(%4), %%eax\n"
++ "81: "__copyuser_seg" movl 52(%4), %%edx\n"
+ " movnti %%eax, 48(%3)\n"
+ " movnti %%edx, 52(%3)\n"
+- "14: movl 56(%4), %%eax\n"
+- "91: movl 60(%4), %%edx\n"
++ "14: "__copyuser_seg" movl 56(%4), %%eax\n"
++ "91: "__copyuser_seg" movl 60(%4), %%edx\n"
+ " movnti %%eax, 56(%3)\n"
+ " movnti %%edx, 60(%3)\n"
+ " addl $-64, %0\n"
+@@ -445,9 +553,9 @@ static unsigned long __copy_user_intel_nocache(void *to,
+ " shrl $2, %0\n"
+ " andl $3, %%eax\n"
+ " cld\n"
+- "6: rep; movsl\n"
++ "6: rep; "__copyuser_seg" movsl\n"
+ " movl %%eax,%0\n"
+- "7: rep; movsb\n"
++ "7: rep; "__copyuser_seg" movsb\n"
+ "8:\n"
+ ".section .fixup,\"ax\"\n"
+ "9: lea 0(%%eax,%0,4),%0\n"
+@@ -487,32 +595,36 @@ static unsigned long __copy_user_intel_nocache(void *to,
+ */
+ unsigned long __copy_user_zeroing_intel(void *to, const void __user *from,
+ unsigned long size);
+-unsigned long __copy_user_intel(void __user *to, const void *from,
++unsigned long __generic_copy_to_user_intel(void __user *to, const void *from,
++ unsigned long size);
++unsigned long __generic_copy_from_user_intel(void *to, const void __user *from,
+ unsigned long size);
+ unsigned long __copy_user_zeroing_intel_nocache(void *to,
+ const void __user *from, unsigned long size);
+ #endif /* CONFIG_X86_INTEL_USERCOPY */
+
+ /* Generic arbitrary sized copy. */
+-#define __copy_user(to, from, size) \
++#define __copy_user(to, from, size, prefix, set, restore) \
+ do { \
+ int __d0, __d1, __d2; \
+ __asm__ __volatile__( \
++ set \
+ " cmp $7,%0\n" \
+ " jbe 1f\n" \
+ " movl %1,%0\n" \
+ " negl %0\n" \
+ " andl $7,%0\n" \
+ " subl %0,%3\n" \
+- "4: rep; movsb\n" \
++ "4: rep; "prefix"movsb\n" \
+ " movl %3,%0\n" \
+ " shrl $2,%0\n" \
+ " andl $3,%3\n" \
+ " .align 2,0x90\n" \
+- "0: rep; movsl\n" \
++ "0: rep; "prefix"movsl\n" \
+ " movl %3,%0\n" \
+- "1: rep; movsb\n" \
++ "1: rep; "prefix"movsb\n" \
+ "2:\n" \
++ restore \
+ ".section .fixup,\"ax\"\n" \
+ "5: addl %3,%0\n" \
+ " jmp 2b\n" \
+@@ -537,14 +649,14 @@ do { \
+ " negl %0\n" \
+ " andl $7,%0\n" \
+ " subl %0,%3\n" \
+- "4: rep; movsb\n" \
++ "4: rep; "__copyuser_seg"movsb\n" \
+ " movl %3,%0\n" \
+ " shrl $2,%0\n" \
+ " andl $3,%3\n" \
+ " .align 2,0x90\n" \
+- "0: rep; movsl\n" \
++ "0: rep; "__copyuser_seg"movsl\n" \
+ " movl %3,%0\n" \
+- "1: rep; movsb\n" \
++ "1: rep; "__copyuser_seg"movsb\n" \
+ "2:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "5: addl %3,%0\n" \
+@@ -627,9 +739,9 @@ survive:
+ }
+ #endif
+ if (movsl_is_ok(to, from, n))
+- __copy_user(to, from, n);
++ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES);
+ else
+- n = __copy_user_intel(to, from, n);
++ n = __generic_copy_to_user_intel(to, from, n);
+ return n;
+ }
+ EXPORT_SYMBOL(__copy_to_user_ll);
+@@ -649,10 +761,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from,
+ unsigned long n)
+ {
+ if (movsl_is_ok(to, from, n))
+- __copy_user(to, from, n);
++ __copy_user(to, from, n, __copyuser_seg, "", "");
+ else
+- n = __copy_user_intel((void __user *)to,
+- (const void *)from, n);
++ n = __generic_copy_from_user_intel(to, from, n);
+ return n;
+ }
+ EXPORT_SYMBOL(__copy_from_user_ll_nozero);
+@@ -679,65 +790,50 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr
+ if (n > 64 && cpu_has_xmm2)
+ n = __copy_user_intel_nocache(to, from, n);
+ else
+- __copy_user(to, from, n);
++ __copy_user(to, from, n, __copyuser_seg, "", "");
+ #else
+- __copy_user(to, from, n);
++ __copy_user(to, from, n, __copyuser_seg, "", "");
+ #endif
+ return n;
+ }
+ EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero);
+
+-/**
+- * copy_to_user: - Copy a block of data into user space.
+- * @to: Destination address, in user space.
+- * @from: Source address, in kernel space.
+- * @n: Number of bytes to copy.
+- *
+- * Context: User context only. This function may sleep.
+- *
+- * Copy data from kernel space to user space.
+- *
+- * Returns number of bytes that could not be copied.
+- * On success, this will be zero.
+- */
+-unsigned long
+-copy_to_user(void __user *to, const void *from, unsigned long n)
+-{
+- if (access_ok(VERIFY_WRITE, to, n))
+- n = __copy_to_user(to, from, n);
+- return n;
+-}
+-EXPORT_SYMBOL(copy_to_user);
+-
+-/**
+- * copy_from_user: - Copy a block of data from user space.
+- * @to: Destination address, in kernel space.
+- * @from: Source address, in user space.
+- * @n: Number of bytes to copy.
+- *
+- * Context: User context only. This function may sleep.
+- *
+- * Copy data from user space to kernel space.
+- *
+- * Returns number of bytes that could not be copied.
+- * On success, this will be zero.
+- *
+- * If some data could not be copied, this function will pad the copied
+- * data to the requested size using zero bytes.
+- */
+-unsigned long
+-_copy_from_user(void *to, const void __user *from, unsigned long n)
+-{
+- if (access_ok(VERIFY_READ, from, n))
+- n = __copy_from_user(to, from, n);
+- else
+- memset(to, 0, n);
+- return n;
+-}
+-EXPORT_SYMBOL(_copy_from_user);
+-
+ void copy_from_user_overflow(void)
+ {
+ WARN(1, "Buffer overflow detected!\n");
+ }
+ EXPORT_SYMBOL(copy_from_user_overflow);
++
++void copy_to_user_overflow(void)
++{
++ WARN(1, "Buffer overflow detected!\n");
++}
++EXPORT_SYMBOL(copy_to_user_overflow);
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++void __set_fs(mm_segment_t x)
++{
++ switch (x.seg) {
++ case 0:
++ loadsegment(gs, 0);
++ break;
++ case TASK_SIZE_MAX:
++ loadsegment(gs, __USER_DS);
++ break;
++ case -1UL:
++ loadsegment(gs, __KERNEL_DS);
++ break;
++ default:
++ BUG();
++ }
++ return;
++}
++EXPORT_SYMBOL(__set_fs);
++
++void set_fs(mm_segment_t x)
++{
++ current_thread_info()->addr_limit = x;
++ __set_fs(x);
++}
++EXPORT_SYMBOL(set_fs);
++#endif
+diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
+index e5b130b..6690d31 100644
+--- a/arch/x86/lib/usercopy_64.c
++++ b/arch/x86/lib/usercopy_64.c
+@@ -16,6 +16,12 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
+ {
+ long __d0;
+ might_fault();
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)addr < PAX_USER_SHADOW_BASE)
++ addr += PAX_USER_SHADOW_BASE;
++#endif
++
+ /* no memory constraint because it doesn't change any memory gcc knows
+ about */
+ asm volatile(
+@@ -52,12 +58,20 @@ unsigned long clear_user(void __user *to, unsigned long n)
+ }
+ EXPORT_SYMBOL(clear_user);
+
+-unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len)
++unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len)
+ {
+- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
+- return copy_user_generic((__force void *)to, (__force void *)from, len);
+- }
+- return len;
++ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
++
++#ifdef CONFIG_PAX_MEMORY_UDEREF
++ if ((unsigned long)to < PAX_USER_SHADOW_BASE)
++ to += PAX_USER_SHADOW_BASE;
++ if ((unsigned long)from < PAX_USER_SHADOW_BASE)
++ from += PAX_USER_SHADOW_BASE;
++#endif
++
++ return copy_user_generic((void __force_kernel *)to, (void __force_kernel *)from, len);
++ }
++ return len;
+ }
+ EXPORT_SYMBOL(copy_in_user);
+
+@@ -67,7 +81,7 @@ EXPORT_SYMBOL(copy_in_user);
+ * it is not necessary to optimize tail handling.
+ */
+ unsigned long
+-copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
++copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest)
+ {
+ char c;
+ unsigned zero_len;
+@@ -84,3 +98,15 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
+ break;
+ return len;
+ }
++
++void copy_from_user_overflow(void)
++{
++ WARN(1, "Buffer overflow detected!\n");
++}
++EXPORT_SYMBOL(copy_from_user_overflow);
++
++void copy_to_user_overflow(void)
++{
++ WARN(1, "Buffer overflow detected!\n");
++}
++EXPORT_SYMBOL(copy_to_user_overflow);
+diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
+index 903ec1e..c4166b2 100644
+--- a/arch/x86/mm/extable.c
++++ b/arch/x86/mm/extable.c
+@@ -6,12 +6,24 @@
+ static inline unsigned long
+ ex_insn_addr(const struct exception_table_entry *x)
+ {
+- return (unsigned long)&x->insn + x->insn;
++ unsigned long reloc = 0;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
++ return (unsigned long)&x->insn + x->insn + reloc;
+ }
+ static inline unsigned long
+ ex_fixup_addr(const struct exception_table_entry *x)
+ {
+- return (unsigned long)&x->fixup + x->fixup;
++ unsigned long reloc = 0;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
++ return (unsigned long)&x->fixup + x->fixup + reloc;
+ }
+
+ int fixup_exception(struct pt_regs *regs)
+@@ -20,7 +32,7 @@ int fixup_exception(struct pt_regs *regs)
+ unsigned long new_ip;
+
+ #ifdef CONFIG_PNPBIOS
+- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) {
++ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) {
+ extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
+ extern u32 pnp_bios_is_utter_crap;
+ pnp_bios_is_utter_crap = 1;
+@@ -145,6 +157,13 @@ void sort_extable(struct exception_table_entry *start,
+ i += 4;
+ p->fixup -= i;
+ i += 4;
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ BUILD_BUG_ON(!IS_ENABLED(CONFIG_BUILDTIME_EXTABLE_SORT));
++ p->insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++ p->fixup -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
++#endif
++
+ }
+ }
+
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index 76dcd9d..e9dffde 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -13,11 +13,18 @@
+ #include <linux/perf_event.h> /* perf_sw_event */
+ #include <linux/hugetlb.h> /* hstate_index_to_shift */
+ #include <linux/prefetch.h> /* prefetchw */
++#include <linux/unistd.h>
++#include <linux/compiler.h>
+
+ #include <asm/traps.h> /* dotraplinkage, ... */
+ #include <asm/pgalloc.h> /* pgd_*(), ... */
+ #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */
+ #include <asm/fixmap.h> /* VSYSCALL_START */
++#include <asm/tlbflush.h>
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++#include <asm/stacktrace.h>
++#endif
+
+ /*
+ * Page fault error code bits:
+@@ -55,7 +62,7 @@ static inline int __kprobes notify_page_fault(struct pt_regs *regs)
+ int ret = 0;
+
+ /* kprobe_running() needs smp_processor_id() */
+- if (kprobes_built_in() && !user_mode_vm(regs)) {
++ if (kprobes_built_in() && !user_mode(regs)) {
+ preempt_disable();
+ if (kprobe_running() && kprobe_fault_handler(regs, 14))
+ ret = 1;
+@@ -116,7 +123,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
+ return !instr_lo || (instr_lo>>1) == 1;
+ case 0x00:
+ /* Prefetch instruction is 0x0F0D or 0x0F18 */
+- if (probe_kernel_address(instr, opcode))
++ if (user_mode(regs)) {
++ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
++ return 0;
++ } else if (probe_kernel_address(instr, opcode))
+ return 0;
+
+ *prefetch = (instr_lo == 0xF) &&
+@@ -150,7 +160,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr)
+ while (instr < max_instr) {
+ unsigned char opcode;
+
+- if (probe_kernel_address(instr, opcode))
++ if (user_mode(regs)) {
++ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
++ break;
++ } else if (probe_kernel_address(instr, opcode))
+ break;
+
+ instr++;
+@@ -181,6 +194,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
+ force_sig_info(si_signo, &info, tsk);
+ }
+
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address);
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++static int pax_handle_fetch_fault(struct pt_regs *regs);
++#endif
++
++#ifdef CONFIG_PAX_PAGEEXEC
++static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address)
++{
++ pgd_t *pgd;
++ pud_t *pud;
++ pmd_t *pmd;
++
++ pgd = pgd_offset(mm, address);
++ if (!pgd_present(*pgd))
++ return NULL;
++ pud = pud_offset(pgd, address);
++ if (!pud_present(*pud))
++ return NULL;
++ pmd = pmd_offset(pud, address);
++ if (!pmd_present(*pmd))
++ return NULL;
++ return pmd;
++}
++#endif
++
+ DEFINE_SPINLOCK(pgd_lock);
+ LIST_HEAD(pgd_list);
+
+@@ -231,10 +272,22 @@ void vmalloc_sync_all(void)
+ for (address = VMALLOC_START & PMD_MASK;
+ address >= TASK_SIZE && address < FIXADDR_TOP;
+ address += PMD_SIZE) {
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ unsigned long cpu;
++#else
+ struct page *page;
++#endif
+
+ spin_lock(&pgd_lock);
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
++ pgd_t *pgd = get_cpu_pgd(cpu);
++ pmd_t *ret;
++#else
+ list_for_each_entry(page, &pgd_list, lru) {
++ pgd_t *pgd = page_address(page);
+ spinlock_t *pgt_lock;
+ pmd_t *ret;
+
+@@ -242,8 +295,13 @@ void vmalloc_sync_all(void)
+ pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
+
+ spin_lock(pgt_lock);
+- ret = vmalloc_sync_one(page_address(page), address);
++#endif
++
++ ret = vmalloc_sync_one(pgd, address);
++
++#ifndef CONFIG_PAX_PER_CPU_PGD
+ spin_unlock(pgt_lock);
++#endif
+
+ if (!ret)
+ break;
+@@ -277,6 +335,11 @@ static noinline __kprobes int vmalloc_fault(unsigned long address)
+ * an interrupt in the middle of a task switch..
+ */
+ pgd_paddr = read_cr3();
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (pgd_paddr & PHYSICAL_PAGE_MASK));
++#endif
++
+ pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
+ if (!pmd_k)
+ return -1;
+@@ -372,7 +435,14 @@ static noinline __kprobes int vmalloc_fault(unsigned long address)
+ * happen within a race in page table update. In the later
+ * case just flush:
+ */
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (read_cr3() & PHYSICAL_PAGE_MASK));
++ pgd = pgd_offset_cpu(smp_processor_id(), address);
++#else
+ pgd = pgd_offset(current->active_mm, address);
++#endif
++
+ pgd_ref = pgd_offset_k(address);
+ if (pgd_none(*pgd_ref))
+ return -1;
+@@ -540,7 +610,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address)
+ static int is_errata100(struct pt_regs *regs, unsigned long address)
+ {
+ #ifdef CONFIG_X86_64
+- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32))
++ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32))
+ return 1;
+ #endif
+ return 0;
+@@ -567,7 +637,7 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
+ }
+
+ static const char nx_warning[] = KERN_CRIT
+-"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n";
++"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n";
+
+ static void
+ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
+@@ -576,15 +646,26 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
+ if (!oops_may_print())
+ return;
+
+- if (error_code & PF_INSTR) {
++ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) {
+ unsigned int level;
+
+ pte_t *pte = lookup_address(address, &level);
+
+ if (pte && pte_present(*pte) && !pte_exec(*pte))
+- printk(nx_warning, from_kuid(&init_user_ns, current_uid()));
++ printk(nx_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current));
+ }
+
++#ifdef CONFIG_PAX_KERNEXEC
++ if (init_mm.start_code <= address && address < init_mm.end_code) {
++ if (current->signal->curr_ip)
++ printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n",
++ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid());
++ else
++ printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n",
++ current->comm, task_pid_nr(current), current_uid(), current_euid());
++ }
++#endif
++
+ printk(KERN_ALERT "BUG: unable to handle kernel ");
+ if (address < PAGE_SIZE)
+ printk(KERN_CONT "NULL pointer dereference");
+@@ -748,6 +829,21 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
+ }
+ #endif
+
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ if (pax_is_fetch_fault(regs, error_code, address)) {
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ switch (pax_handle_fetch_fault(regs)) {
++ case 2:
++ return;
++ }
++#endif
++
++ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
++ do_group_exit(SIGKILL);
++ }
++#endif
++
+ if (unlikely(show_unhandled_signals))
+ show_signal_msg(regs, error_code, address, tsk);
+
+@@ -844,7 +940,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
+ if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
+ printk(KERN_ERR
+ "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
+- tsk->comm, tsk->pid, address);
++ tsk->comm, task_pid_nr(tsk), address);
+ code = BUS_MCEERR_AR;
+ }
+ #endif
+@@ -900,6 +996,99 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte)
+ return 1;
+ }
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
++static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code)
++{
++ pte_t *pte;
++ pmd_t *pmd;
++ spinlock_t *ptl;
++ unsigned char pte_mask;
++
++ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) ||
++ !(mm->pax_flags & MF_PAX_PAGEEXEC))
++ return 0;
++
++ /* PaX: it's our fault, let's handle it if we can */
++
++ /* PaX: take a look at read faults before acquiring any locks */
++ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) {
++ /* instruction fetch attempt from a protected page in user mode */
++ up_read(&mm->mmap_sem);
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ switch (pax_handle_fetch_fault(regs)) {
++ case 2:
++ return 1;
++ }
++#endif
++
++ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
++ do_group_exit(SIGKILL);
++ }
++
++ pmd = pax_get_pmd(mm, address);
++ if (unlikely(!pmd))
++ return 0;
++
++ pte = pte_offset_map_lock(mm, pmd, address, &ptl);
++ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) {
++ pte_unmap_unlock(pte, ptl);
++ return 0;
++ }
++
++ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) {
++ /* write attempt to a protected page in user mode */
++ pte_unmap_unlock(pte, ptl);
++ return 0;
++ }
++
++#ifdef CONFIG_SMP
++ if (likely(address > get_limit(regs->cs) && cpu_isset(smp_processor_id(), mm->context.cpu_user_cs_mask)))
++#else
++ if (likely(address > get_limit(regs->cs)))
++#endif
++ {
++ set_pte(pte, pte_mkread(*pte));
++ __flush_tlb_one(address);
++ pte_unmap_unlock(pte, ptl);
++ up_read(&mm->mmap_sem);
++ return 1;
++ }
++
++ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1));
++
++ /*
++ * PaX: fill DTLB with user rights and retry
++ */
++ __asm__ __volatile__ (
++ "orb %2,(%1)\n"
++#if defined(CONFIG_M586) || defined(CONFIG_M586TSC)
++/*
++ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's
++ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any*
++ * page fault when examined during a TLB load attempt. this is true not only
++ * for PTEs holding a non-present entry but also present entries that will
++ * raise a page fault (such as those set up by PaX, or the copy-on-write
++ * mechanism). in effect it means that we do *not* need to flush the TLBs
++ * for our target pages since their PTEs are simply not in the TLBs at all.
++
++ * the best thing in omitting it is that we gain around 15-20% speed in the
++ * fast path of the page fault handler and can get rid of tracing since we
++ * can no longer flush unintended entries.
++ */
++ "invlpg (%0)\n"
++#endif
++ __copyuser_seg"testb $0,(%0)\n"
++ "xorb %3,(%1)\n"
++ :
++ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER)
++ : "memory", "cc");
++ pte_unmap_unlock(pte, ptl);
++ up_read(&mm->mmap_sem);
++ return 1;
++}
++#endif
++
+ /*
+ * Handle a spurious fault caused by a stale TLB entry.
+ *
+@@ -972,6 +1161,9 @@ int show_unhandled_signals = 1;
+ static inline int
+ access_error(unsigned long error_code, struct vm_area_struct *vma)
+ {
++ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC))
++ return 1;
++
+ if (error_code & PF_WRITE) {
+ /* write, present and write, not present: */
+ if (unlikely(!(vma->vm_flags & VM_WRITE)))
+@@ -1005,18 +1197,33 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
+ {
+ struct vm_area_struct *vma;
+ struct task_struct *tsk;
+- unsigned long address;
+ struct mm_struct *mm;
+ int fault;
+ int write = error_code & PF_WRITE;
+ unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
+ (write ? FAULT_FLAG_WRITE : 0);
+
+- tsk = current;
+- mm = tsk->mm;
+-
+ /* Get the faulting address: */
+- address = read_cr2();
++ unsigned long address = read_cr2();
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ if (!user_mode(regs) && address < 2 * PAX_USER_SHADOW_BASE) {
++ if (!search_exception_tables(regs->ip)) {
++ printk(KERN_ERR "PAX: please report this to pageexec(a)freemail.hu\n");
++ bad_area_nosemaphore(regs, error_code, address);
++ return;
++ }
++ if (address < PAX_USER_SHADOW_BASE) {
++ printk(KERN_ERR "PAX: please report this to pageexec(a)freemail.hu\n");
++ printk(KERN_ERR "PAX: faulting IP: %pS\n", (void *)regs->ip);
++ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_ERR);
++ } else
++ address -= PAX_USER_SHADOW_BASE;
++ }
++#endif
++
++ tsk = current;
++ mm = tsk->mm;
+
+ /*
+ * Detect and handle instructions that would cause a page fault for
+@@ -1077,7 +1284,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
+ * User-mode registers count as a user access even for any
+ * potential system fault or CPU buglet:
+ */
+- if (user_mode_vm(regs)) {
++ if (user_mode(regs)) {
+ local_irq_enable();
+ error_code |= PF_USER;
+ } else {
+@@ -1132,6 +1339,11 @@ retry:
+ might_sleep();
+ }
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
++ if (pax_handle_pageexec_fault(regs, mm, address, error_code))
++ return;
++#endif
++
+ vma = find_vma(mm, address);
+ if (unlikely(!vma)) {
+ bad_area(regs, error_code, address);
+@@ -1143,18 +1355,24 @@ retry:
+ bad_area(regs, error_code, address);
+ return;
+ }
+- if (error_code & PF_USER) {
+- /*
+- * Accessing the stack below %sp is always a bug.
+- * The large cushion allows instructions like enter
+- * and pusha to work. ("enter $65535, $31" pushes
+- * 32 pointers and then decrements %sp by 65535.)
+- */
+- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) {
+- bad_area(regs, error_code, address);
+- return;
+- }
++ /*
++ * Accessing the stack below %sp is always a bug.
++ * The large cushion allows instructions like enter
++ * and pusha to work. ("enter $65535, $31" pushes
++ * 32 pointers and then decrements %sp by 65535.)
++ */
++ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) {
++ bad_area(regs, error_code, address);
++ return;
+ }
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) {
++ bad_area(regs, error_code, address);
++ return;
++ }
++#endif
++
+ if (unlikely(expand_stack(vma, address))) {
+ bad_area(regs, error_code, address);
+ return;
+@@ -1209,3 +1427,292 @@ good_area:
+
+ up_read(&mm->mmap_sem);
+ }
++
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address)
++{
++ struct mm_struct *mm = current->mm;
++ unsigned long ip = regs->ip;
++
++ if (v8086_mode(regs))
++ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff);
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (mm->pax_flags & MF_PAX_PAGEEXEC) {
++ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR))
++ return true;
++ if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address)
++ return true;
++ return false;
++ }
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
++ if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address))
++ return true;
++ return false;
++ }
++#endif
++
++ return false;
++}
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++static int pax_handle_fetch_fault_32(struct pt_regs *regs)
++{
++ int err;
++
++ do { /* PaX: libffi trampoline emulation */
++ unsigned char mov, jmp;
++ unsigned int addr1, addr2;
++
++#ifdef CONFIG_X86_64
++ if ((regs->ip + 9) >> 32)
++ break;
++#endif
++
++ err = get_user(mov, (unsigned char __user *)regs->ip);
++ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
++ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
++ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
++
++ if (err)
++ break;
++
++ if (mov == 0xB8 && jmp == 0xE9) {
++ regs->ax = addr1;
++ regs->ip = (unsigned int)(regs->ip + addr2 + 10);
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: gcc trampoline emulation #1 */
++ unsigned char mov1, mov2;
++ unsigned short jmp;
++ unsigned int addr1, addr2;
++
++#ifdef CONFIG_X86_64
++ if ((regs->ip + 11) >> 32)
++ break;
++#endif
++
++ err = get_user(mov1, (unsigned char __user *)regs->ip);
++ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
++ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5));
++ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
++ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10));
++
++ if (err)
++ break;
++
++ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) {
++ regs->cx = addr1;
++ regs->ax = addr2;
++ regs->ip = addr2;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: gcc trampoline emulation #2 */
++ unsigned char mov, jmp;
++ unsigned int addr1, addr2;
++
++#ifdef CONFIG_X86_64
++ if ((regs->ip + 9) >> 32)
++ break;
++#endif
++
++ err = get_user(mov, (unsigned char __user *)regs->ip);
++ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
++ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
++ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
++
++ if (err)
++ break;
++
++ if (mov == 0xB9 && jmp == 0xE9) {
++ regs->cx = addr1;
++ regs->ip = (unsigned int)(regs->ip + addr2 + 10);
++ return 2;
++ }
++ } while (0);
++
++ return 1; /* PaX in action */
++}
++
++#ifdef CONFIG_X86_64
++static int pax_handle_fetch_fault_64(struct pt_regs *regs)
++{
++ int err;
++
++ do { /* PaX: libffi trampoline emulation */
++ unsigned short mov1, mov2, jmp1;
++ unsigned char stcclc, jmp2;
++ unsigned long addr1, addr2;
++
++ err = get_user(mov1, (unsigned short __user *)regs->ip);
++ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
++ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
++ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
++ err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20));
++ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21));
++ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23));
++
++ if (err)
++ break;
++
++ if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) {
++ regs->r11 = addr1;
++ regs->r10 = addr2;
++ if (stcclc == 0xF8)
++ regs->flags &= ~X86_EFLAGS_CF;
++ else
++ regs->flags |= X86_EFLAGS_CF;
++ regs->ip = addr1;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: gcc trampoline emulation #1 */
++ unsigned short mov1, mov2, jmp1;
++ unsigned char jmp2;
++ unsigned int addr1;
++ unsigned long addr2;
++
++ err = get_user(mov1, (unsigned short __user *)regs->ip);
++ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2));
++ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6));
++ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8));
++ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16));
++ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18));
++
++ if (err)
++ break;
++
++ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
++ regs->r11 = addr1;
++ regs->r10 = addr2;
++ regs->ip = addr1;
++ return 2;
++ }
++ } while (0);
++
++ do { /* PaX: gcc trampoline emulation #2 */
++ unsigned short mov1, mov2, jmp1;
++ unsigned char jmp2;
++ unsigned long addr1, addr2;
++
++ err = get_user(mov1, (unsigned short __user *)regs->ip);
++ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
++ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
++ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
++ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20));
++ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22));
++
++ if (err)
++ break;
++
++ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
++ regs->r11 = addr1;
++ regs->r10 = addr2;
++ regs->ip = addr1;
++ return 2;
++ }
++ } while (0);
++
++ return 1; /* PaX in action */
++}
++#endif
++
++/*
++ * PaX: decide what to do with offenders (regs->ip = fault address)
++ *
++ * returns 1 when task should be killed
++ * 2 when gcc trampoline was detected
++ */
++static int pax_handle_fetch_fault(struct pt_regs *regs)
++{
++ if (v8086_mode(regs))
++ return 1;
++
++ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
++ return 1;
++
++#ifdef CONFIG_X86_32
++ return pax_handle_fetch_fault_32(regs);
++#else
++ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))
++ return pax_handle_fetch_fault_32(regs);
++ else
++ return pax_handle_fetch_fault_64(regs);
++#endif
++}
++#endif
++
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
++{
++ long i;
++
++ printk(KERN_ERR "PAX: bytes at PC: ");
++ for (i = 0; i < 20; i++) {
++ unsigned char c;
++ if (get_user(c, (unsigned char __force_user *)pc+i))
++ printk(KERN_CONT "?? ");
++ else
++ printk(KERN_CONT "%02x ", c);
++ }
++ printk("\n");
++
++ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long));
++ for (i = -1; i < 80 / (long)sizeof(long); i++) {
++ unsigned long c;
++ if (get_user(c, (unsigned long __force_user *)sp+i)) {
++#ifdef CONFIG_X86_32
++ printk(KERN_CONT "???????? ");
++#else
++ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)))
++ printk(KERN_CONT "???????? ???????? ");
++ else
++ printk(KERN_CONT "???????????????? ");
++#endif
++ } else {
++#ifdef CONFIG_X86_64
++ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) {
++ printk(KERN_CONT "%08x ", (unsigned int)c);
++ printk(KERN_CONT "%08x ", (unsigned int)(c >> 32));
++ } else
++#endif
++ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c);
++ }
++ }
++ printk("\n");
++}
++#endif
++
++/**
++ * probe_kernel_write(): safely attempt to write to a location
++ * @dst: address to write to
++ * @src: pointer to the data that shall be written
++ * @size: size of the data chunk
++ *
++ * Safely write to address @dst from the buffer at @src. If a kernel fault
++ * happens, handle that and return -EFAULT.
++ */
++long notrace probe_kernel_write(void *dst, const void *src, size_t size)
++{
++ long ret;
++ mm_segment_t old_fs = get_fs();
++
++ set_fs(KERNEL_DS);
++ pagefault_disable();
++ pax_open_kernel();
++ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
++ pax_close_kernel();
++ pagefault_enable();
++ set_fs(old_fs);
++
++ return ret ? -EFAULT : 0;
++}
+diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
+index dd74e46..7d26398 100644
+--- a/arch/x86/mm/gup.c
++++ b/arch/x86/mm/gup.c
+@@ -255,7 +255,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
+ addr = start;
+ len = (unsigned long) nr_pages << PAGE_SHIFT;
+ end = start + len;
+- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
++ if (unlikely(!__access_ok(write ? VERIFY_WRITE : VERIFY_READ,
+ (void __user *)start, len)))
+ return 0;
+
+diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
+index 6f31ee5..8ee4164 100644
+--- a/arch/x86/mm/highmem_32.c
++++ b/arch/x86/mm/highmem_32.c
+@@ -44,7 +44,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot)
+ idx = type + KM_TYPE_NR*smp_processor_id();
+ vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
+ BUG_ON(!pte_none(*(kmap_pte-idx)));
++
++ pax_open_kernel();
+ set_pte(kmap_pte-idx, mk_pte(page, prot));
++ pax_close_kernel();
++
+ arch_flush_lazy_mmu_mode();
+
+ return (void *)vaddr;
+diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
+index b91e485..d00e7c9 100644
+--- a/arch/x86/mm/hugetlbpage.c
++++ b/arch/x86/mm/hugetlbpage.c
+@@ -277,13 +277,20 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
+ struct hstate *h = hstate_file(file);
+ struct mm_struct *mm = current->mm;
+ struct vm_area_struct *vma;
+- unsigned long start_addr;
++ unsigned long start_addr, pax_task_size = TASK_SIZE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
+
+ if (len > mm->cached_hole_size) {
+- start_addr = mm->free_area_cache;
++ start_addr = mm->free_area_cache;
+ } else {
+- start_addr = TASK_UNMAPPED_BASE;
+- mm->cached_hole_size = 0;
++ start_addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
+ }
+
+ full_search:
+@@ -291,26 +298,27 @@ full_search:
+
+ for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
+ /* At this point: (!vma || addr < vma->vm_end). */
+- if (TASK_SIZE - len < addr) {
++ if (pax_task_size - len < addr) {
+ /*
+ * Start a new search - just in case we missed
+ * some holes.
+ */
+- if (start_addr != TASK_UNMAPPED_BASE) {
+- start_addr = TASK_UNMAPPED_BASE;
++ if (start_addr != mm->mmap_base) {
++ start_addr = mm->mmap_base;
+ mm->cached_hole_size = 0;
+ goto full_search;
+ }
+ return -ENOMEM;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
+- mm->free_area_cache = addr + len;
+- return addr;
+- }
++ if (check_heap_stack_gap(vma, addr, len))
++ break;
+ if (addr + mm->cached_hole_size < vma->vm_start)
+ mm->cached_hole_size = vma->vm_start - addr;
+ addr = ALIGN(vma->vm_end, huge_page_size(h));
+ }
++
++ mm->free_area_cache = addr + len;
++ return addr;
+ }
+
+ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
+@@ -321,9 +329,8 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
+ struct mm_struct *mm = current->mm;
+ struct vm_area_struct *vma;
+ unsigned long base = mm->mmap_base;
+- unsigned long addr = addr0;
++ unsigned long addr;
+ unsigned long largest_hole = mm->cached_hole_size;
+- unsigned long start_addr;
+
+ /* don't allow allocations above current base */
+ if (mm->free_area_cache > base)
+@@ -333,16 +340,15 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
+ largest_hole = 0;
+ mm->free_area_cache = base;
+ }
+-try_again:
+- start_addr = mm->free_area_cache;
+
+ /* make sure it can fit in the remaining address space */
+ if (mm->free_area_cache < len)
+ goto fail;
+
+ /* either no address requested or can't fit in requested address hole */
+- addr = (mm->free_area_cache - len) & huge_page_mask(h);
++ addr = mm->free_area_cache - len;
+ do {
++ addr &= huge_page_mask(h);
+ /*
+ * Lookup failure means no vma is above this address,
+ * i.e. return with success:
+@@ -351,10 +357,10 @@ try_again:
+ if (!vma)
+ return addr;
+
+- if (addr + len <= vma->vm_start) {
++ if (check_heap_stack_gap(vma, addr, len)) {
+ /* remember the address as a hint for next time */
+- mm->cached_hole_size = largest_hole;
+- return (mm->free_area_cache = addr);
++ mm->cached_hole_size = largest_hole;
++ return (mm->free_area_cache = addr);
+ } else if (mm->free_area_cache == vma->vm_end) {
+ /* pull free_area_cache down to the first hole */
+ mm->free_area_cache = vma->vm_start;
+@@ -363,29 +369,34 @@ try_again:
+
+ /* remember the largest hole we saw so far */
+ if (addr + largest_hole < vma->vm_start)
+- largest_hole = vma->vm_start - addr;
++ largest_hole = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = (vma->vm_start - len) & huge_page_mask(h);
+- } while (len <= vma->vm_start);
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ fail:
+ /*
+- * if hint left us with no space for the requested
+- * mapping then try again:
+- */
+- if (start_addr != base) {
+- mm->free_area_cache = base;
+- largest_hole = 0;
+- goto try_again;
+- }
+- /*
+ * A failed mmap() very likely causes application failure,
+ * so fall back to the bottom-up function here. This scenario
+ * can happen with large stack limits and large mmap()
+ * allocations.
+ */
+- mm->free_area_cache = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE;
++ else
++#endif
++
++ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
++ mm->free_area_cache = mm->mmap_base;
+ mm->cached_hole_size = ~0UL;
+ addr = hugetlb_get_unmapped_area_bottomup(file, addr0,
+ len, pgoff, flags);
+@@ -393,6 +404,7 @@ fail:
+ /*
+ * Restore the topdown base:
+ */
++ mm->mmap_base = base;
+ mm->free_area_cache = base;
+ mm->cached_hole_size = ~0UL;
+
+@@ -406,10 +418,19 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ struct hstate *h = hstate_file(file);
+ struct mm_struct *mm = current->mm;
+ struct vm_area_struct *vma;
++ unsigned long pax_task_size = TASK_SIZE;
+
+ if (len & ~huge_page_mask(h))
+ return -EINVAL;
+- if (len > TASK_SIZE)
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
++
++ if (len > pax_task_size)
+ return -ENOMEM;
+
+ if (flags & MAP_FIXED) {
+@@ -421,8 +442,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ if (addr) {
+ addr = ALIGN(addr, huge_page_size(h));
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
++ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len))
+ return addr;
+ }
+ if (mm->get_unmapped_area == arch_get_unmapped_area)
+diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
+index d7aea41..0fc945b 100644
+--- a/arch/x86/mm/init.c
++++ b/arch/x86/mm/init.c
+@@ -4,6 +4,7 @@
+ #include <linux/swap.h>
+ #include <linux/memblock.h>
+ #include <linux/bootmem.h> /* for max_low_pfn */
++#include <linux/tboot.h>
+
+ #include <asm/cacheflush.h>
+ #include <asm/e820.h>
+@@ -16,6 +17,8 @@
+ #include <asm/tlb.h>
+ #include <asm/proto.h>
+ #include <asm/dma.h> /* for MAX_DMA_PFN */
++#include <asm/desc.h>
++#include <asm/bios_ebda.h>
+
+ unsigned long __initdata pgt_buf_start;
+ unsigned long __meminitdata pgt_buf_end;
+@@ -44,7 +47,7 @@ static void __init find_early_table_space(struct map_range *mr, int nr_range)
+ {
+ int i;
+ unsigned long puds = 0, pmds = 0, ptes = 0, tables;
+- unsigned long start = 0, good_end;
++ unsigned long start = 0x100000, good_end;
+ phys_addr_t base;
+
+ for (i = 0; i < nr_range; i++) {
+@@ -321,10 +324,40 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
+ * Access has to be given to non-kernel-ram areas as well, these contain the PCI
+ * mmio resources as well as potential bios/acpi data regions.
+ */
++
++#ifdef CONFIG_GRKERNSEC_KMEM
++static unsigned int ebda_start __read_only;
++static unsigned int ebda_end __read_only;
++#endif
++
+ int devmem_is_allowed(unsigned long pagenr)
+ {
+- if (pagenr < 256)
++#ifdef CONFIG_GRKERNSEC_KMEM
++ /* allow BDA */
++ if (!pagenr)
+ return 1;
++ /* allow EBDA */
++ if (pagenr >= ebda_start && pagenr < ebda_end)
++ return 1;
++ /* if tboot is in use, allow access to its hardcoded serial log range */
++ if (tboot_enabled() && ((0x60000 >> PAGE_SHIFT) <= pagenr) && (pagenr < (0x68000 >> PAGE_SHIFT)))
++ return 1;
++#else
++ if (!pagenr)
++ return 1;
++#ifdef CONFIG_VM86
++ if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT))
++ return 1;
++#endif
++#endif
++
++ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT))
++ return 1;
++#ifdef CONFIG_GRKERNSEC_KMEM
++ /* throw out everything else below 1MB */
++ if (pagenr <= 256)
++ return 0;
++#endif
+ if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
+ return 0;
+ if (!page_is_ram(pagenr))
+@@ -381,8 +414,117 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
+ #endif
+ }
+
++#ifdef CONFIG_GRKERNSEC_KMEM
++static inline void gr_init_ebda(void)
++{
++ unsigned int ebda_addr;
++ unsigned int ebda_size = 0;
++
++ ebda_addr = get_bios_ebda();
++ if (ebda_addr) {
++ ebda_size = *(unsigned char *)phys_to_virt(ebda_addr);
++ ebda_size <<= 10;
++ }
++ if (ebda_addr && ebda_size) {
++ ebda_start = ebda_addr >> PAGE_SHIFT;
++ ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT;
++ } else {
++ ebda_start = 0x9f000 >> PAGE_SHIFT;
++ ebda_end = 0xa0000 >> PAGE_SHIFT;
++ }
++}
++#else
++static inline void gr_init_ebda(void) { }
++#endif
++
+ void free_initmem(void)
+ {
++#ifdef CONFIG_PAX_KERNEXEC
++#ifdef CONFIG_X86_32
++ /* PaX: limit KERNEL_CS to actual size */
++ unsigned long addr, limit;
++ struct desc_struct d;
++ int cpu;
++#else
++ pgd_t *pgd;
++ pud_t *pud;
++ pmd_t *pmd;
++ unsigned long addr, end;
++#endif
++#endif
++
++ gr_init_ebda();
++
++#ifdef CONFIG_PAX_KERNEXEC
++#ifdef CONFIG_X86_32
++ limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext;
++ limit = (limit - 1UL) >> PAGE_SHIFT;
++
++ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE);
++ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
++ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC);
++ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S);
++ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEXEC_KERNEL_CS, &d, DESCTYPE_S);
++ }
++
++ /* PaX: make KERNEL_CS read-only */
++ addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text));
++ if (!paravirt_enabled())
++ set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT);
++/*
++ for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) {
++ pgd = pgd_offset_k(addr);
++ pud = pud_offset(pgd, addr);
++ pmd = pmd_offset(pud, addr);
++ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
++ }
++*/
++#ifdef CONFIG_X86_PAE
++ set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT);
++/*
++ for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) {
++ pgd = pgd_offset_k(addr);
++ pud = pud_offset(pgd, addr);
++ pmd = pmd_offset(pud, addr);
++ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
++ }
++*/
++#endif
++
++#ifdef CONFIG_MODULES
++ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT);
++#endif
++
++#else
++ /* PaX: make kernel code/rodata read-only, rest non-executable */
++ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) {
++ pgd = pgd_offset_k(addr);
++ pud = pud_offset(pgd, addr);
++ pmd = pmd_offset(pud, addr);
++ if (!pmd_present(*pmd))
++ continue;
++ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata)
++ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
++ else
++ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
++ }
++
++ addr = (unsigned long)__va(__pa(__START_KERNEL_map));
++ end = addr + KERNEL_IMAGE_SIZE;
++ for (; addr < end; addr += PMD_SIZE) {
++ pgd = pgd_offset_k(addr);
++ pud = pud_offset(pgd, addr);
++ pmd = pmd_offset(pud, addr);
++ if (!pmd_present(*pmd))
++ continue;
++ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata)))
++ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
++ }
++#endif
++
++ flush_tlb_all();
++#endif
++
+ free_init_pages("unused kernel memory",
+ (unsigned long)(&__init_begin),
+ (unsigned long)(&__init_end));
+diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
+index 575d86f..4987469 100644
+--- a/arch/x86/mm/init_32.c
++++ b/arch/x86/mm/init_32.c
+@@ -73,36 +73,6 @@ static __init void *alloc_low_page(void)
+ }
+
+ /*
+- * Creates a middle page table and puts a pointer to it in the
+- * given global directory entry. This only returns the gd entry
+- * in non-PAE compilation mode, since the middle layer is folded.
+- */
+-static pmd_t * __init one_md_table_init(pgd_t *pgd)
+-{
+- pud_t *pud;
+- pmd_t *pmd_table;
+-
+-#ifdef CONFIG_X86_PAE
+- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) {
+- if (after_bootmem)
+- pmd_table = (pmd_t *)alloc_bootmem_pages(PAGE_SIZE);
+- else
+- pmd_table = (pmd_t *)alloc_low_page();
+- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT);
+- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
+- pud = pud_offset(pgd, 0);
+- BUG_ON(pmd_table != pmd_offset(pud, 0));
+-
+- return pmd_table;
+- }
+-#endif
+- pud = pud_offset(pgd, 0);
+- pmd_table = pmd_offset(pud, 0);
+-
+- return pmd_table;
+-}
+-
+-/*
+ * Create a page table and place a pointer to it in a middle page
+ * directory entry:
+ */
+@@ -122,13 +92,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
+ page_table = (pte_t *)alloc_low_page();
+
+ paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT);
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE));
++#else
+ set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
++#endif
+ BUG_ON(page_table != pte_offset_kernel(pmd, 0));
+ }
+
+ return pte_offset_kernel(pmd, 0);
+ }
+
++static pmd_t * __init one_md_table_init(pgd_t *pgd)
++{
++ pud_t *pud;
++ pmd_t *pmd_table;
++
++ pud = pud_offset(pgd, 0);
++ pmd_table = pmd_offset(pud, 0);
++
++ return pmd_table;
++}
++
+ pmd_t * __init populate_extra_pmd(unsigned long vaddr)
+ {
+ int pgd_idx = pgd_index(vaddr);
+@@ -202,6 +187,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
+ int pgd_idx, pmd_idx;
+ unsigned long vaddr;
+ pgd_t *pgd;
++ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte = NULL;
+
+@@ -211,8 +197,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
+ pgd = pgd_base + pgd_idx;
+
+ for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) {
+- pmd = one_md_table_init(pgd);
+- pmd = pmd + pmd_index(vaddr);
++ pud = pud_offset(pgd, vaddr);
++ pmd = pmd_offset(pud, vaddr);
++
++#ifdef CONFIG_X86_PAE
++ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
++#endif
++
+ for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end);
+ pmd++, pmd_idx++) {
+ pte = page_table_kmap_check(one_page_table_init(pmd),
+@@ -224,11 +215,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
+ }
+ }
+
+-static inline int is_kernel_text(unsigned long addr)
++static inline int is_kernel_text(unsigned long start, unsigned long end)
+ {
+- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end)
+- return 1;
+- return 0;
++ if ((start > ktla_ktva((unsigned long)_etext) ||
++ end <= ktla_ktva((unsigned long)_stext)) &&
++ (start > ktla_ktva((unsigned long)_einittext) ||
++ end <= ktla_ktva((unsigned long)_sinittext)) &&
++
++#ifdef CONFIG_ACPI_SLEEP
++ (start > (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) &&
++#endif
++
++ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000)))
++ return 0;
++ return 1;
+ }
+
+ /*
+@@ -245,9 +245,10 @@ kernel_physical_mapping_init(unsigned long start,
+ unsigned long last_map_addr = end;
+ unsigned long start_pfn, end_pfn;
+ pgd_t *pgd_base = swapper_pg_dir;
+- int pgd_idx, pmd_idx, pte_ofs;
++ unsigned int pgd_idx, pmd_idx, pte_ofs;
+ unsigned long pfn;
+ pgd_t *pgd;
++ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte;
+ unsigned pages_2m, pages_4k;
+@@ -280,8 +281,13 @@ repeat:
+ pfn = start_pfn;
+ pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
+ pgd = pgd_base + pgd_idx;
+- for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) {
+- pmd = one_md_table_init(pgd);
++ for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) {
++ pud = pud_offset(pgd, 0);
++ pmd = pmd_offset(pud, 0);
++
++#ifdef CONFIG_X86_PAE
++ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
++#endif
+
+ if (pfn >= end_pfn)
+ continue;
+@@ -293,14 +299,13 @@ repeat:
+ #endif
+ for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn;
+ pmd++, pmd_idx++) {
+- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET;
++ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET;
+
+ /*
+ * Map with big pages if possible, otherwise
+ * create normal page tables:
+ */
+ if (use_pse) {
+- unsigned int addr2;
+ pgprot_t prot = PAGE_KERNEL_LARGE;
+ /*
+ * first pass will use the same initial
+@@ -310,11 +315,7 @@ repeat:
+ __pgprot(PTE_IDENT_ATTR |
+ _PAGE_PSE);
+
+- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE +
+- PAGE_OFFSET + PAGE_SIZE-1;
+-
+- if (is_kernel_text(addr) ||
+- is_kernel_text(addr2))
++ if (is_kernel_text(address, address + PMD_SIZE))
+ prot = PAGE_KERNEL_LARGE_EXEC;
+
+ pages_2m++;
+@@ -331,7 +332,7 @@ repeat:
+ pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
+ pte += pte_ofs;
+ for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn;
+- pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) {
++ pte++, pfn++, pte_ofs++, address += PAGE_SIZE) {
+ pgprot_t prot = PAGE_KERNEL;
+ /*
+ * first pass will use the same initial
+@@ -339,7 +340,7 @@ repeat:
+ */
+ pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR);
+
+- if (is_kernel_text(addr))
++ if (is_kernel_text(address, address + PAGE_SIZE))
+ prot = PAGE_KERNEL_EXEC;
+
+ pages_4k++;
+@@ -465,7 +466,7 @@ void __init native_pagetable_setup_start(pgd_t *base)
+
+ pud = pud_offset(pgd, va);
+ pmd = pmd_offset(pud, va);
+- if (!pmd_present(*pmd))
++ if (!pmd_present(*pmd) || pmd_huge(*pmd))
+ break;
+
+ pte = pte_offset_kernel(pmd, va);
+@@ -517,12 +518,10 @@ void __init early_ioremap_page_table_range_init(void)
+
+ static void __init pagetable_init(void)
+ {
+- pgd_t *pgd_base = swapper_pg_dir;
+-
+- permanent_kmaps_init(pgd_base);
++ permanent_kmaps_init(swapper_pg_dir);
+ }
+
+-pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP);
++pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP);
+ EXPORT_SYMBOL_GPL(__supported_pte_mask);
+
+ /* user-defined highmem size */
+@@ -734,6 +733,12 @@ void __init mem_init(void)
+
+ pci_iommu_alloc();
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY,
++ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
++ KERNEL_PGD_PTRS);
++#endif
++
+ #ifdef CONFIG_FLATMEM
+ BUG_ON(!mem_map);
+ #endif
+@@ -760,7 +765,7 @@ void __init mem_init(void)
+ reservedpages++;
+
+ codesize = (unsigned long) &_etext - (unsigned long) &_text;
+- datasize = (unsigned long) &_edata - (unsigned long) &_etext;
++ datasize = (unsigned long) &_edata - (unsigned long) &_sdata;
+ initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
+
+ printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
+@@ -801,10 +806,10 @@ void __init mem_init(void)
+ ((unsigned long)&__init_end -
+ (unsigned long)&__init_begin) >> 10,
+
+- (unsigned long)&_etext, (unsigned long)&_edata,
+- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10,
++ (unsigned long)&_sdata, (unsigned long)&_edata,
++ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10,
+
+- (unsigned long)&_text, (unsigned long)&_etext,
++ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext),
+ ((unsigned long)&_etext - (unsigned long)&_text) >> 10);
+
+ /*
+@@ -882,6 +887,7 @@ void set_kernel_text_rw(void)
+ if (!kernel_set_to_readonly)
+ return;
+
++ start = ktla_ktva(start);
+ pr_debug("Set kernel text: %lx - %lx for read write\n",
+ start, start+size);
+
+@@ -896,6 +902,7 @@ void set_kernel_text_ro(void)
+ if (!kernel_set_to_readonly)
+ return;
+
++ start = ktla_ktva(start);
+ pr_debug("Set kernel text: %lx - %lx for read only\n",
+ start, start+size);
+
+@@ -924,6 +931,7 @@ void mark_rodata_ro(void)
+ unsigned long start = PFN_ALIGN(_text);
+ unsigned long size = PFN_ALIGN(_etext) - start;
+
++ start = ktla_ktva(start);
+ set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
+ printk(KERN_INFO "Write protecting the kernel text: %luk\n",
+ size >> 10);
+diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
+index 3baff25..8b37564 100644
+--- a/arch/x86/mm/init_64.c
++++ b/arch/x86/mm/init_64.c
+@@ -74,7 +74,7 @@ early_param("gbpages", parse_direct_gbpages_on);
+ * around without checking the pgd every time.
+ */
+
+-pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
++pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_IOMAP);
+ EXPORT_SYMBOL_GPL(__supported_pte_mask);
+
+ int force_personality32;
+@@ -107,12 +107,22 @@ void sync_global_pgds(unsigned long start, unsigned long end)
+
+ for (address = start; address <= end; address += PGDIR_SIZE) {
+ const pgd_t *pgd_ref = pgd_offset_k(address);
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ unsigned long cpu;
++#else
+ struct page *page;
++#endif
+
+ if (pgd_none(*pgd_ref))
+ continue;
+
+ spin_lock(&pgd_lock);
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
++ pgd_t *pgd = pgd_offset_cpu(cpu, address);
++#else
+ list_for_each_entry(page, &pgd_list, lru) {
+ pgd_t *pgd;
+ spinlock_t *pgt_lock;
+@@ -121,6 +131,7 @@ void sync_global_pgds(unsigned long start, unsigned long end)
+ /* the pgt_lock only for Xen */
+ pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
+ spin_lock(pgt_lock);
++#endif
+
+ if (pgd_none(*pgd))
+ set_pgd(pgd, *pgd_ref);
+@@ -128,7 +139,10 @@ void sync_global_pgds(unsigned long start, unsigned long end)
+ BUG_ON(pgd_page_vaddr(*pgd)
+ != pgd_page_vaddr(*pgd_ref));
+
++#ifndef CONFIG_PAX_PER_CPU_PGD
+ spin_unlock(pgt_lock);
++#endif
++
+ }
+ spin_unlock(&pgd_lock);
+ }
+@@ -161,7 +175,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr)
+ {
+ if (pgd_none(*pgd)) {
+ pud_t *pud = (pud_t *)spp_getpage();
+- pgd_populate(&init_mm, pgd, pud);
++ pgd_populate_kernel(&init_mm, pgd, pud);
+ if (pud != pud_offset(pgd, 0))
+ printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n",
+ pud, pud_offset(pgd, 0));
+@@ -173,7 +187,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr)
+ {
+ if (pud_none(*pud)) {
+ pmd_t *pmd = (pmd_t *) spp_getpage();
+- pud_populate(&init_mm, pud, pmd);
++ pud_populate_kernel(&init_mm, pud, pmd);
+ if (pmd != pmd_offset(pud, 0))
+ printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n",
+ pmd, pmd_offset(pud, 0));
+@@ -202,7 +216,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
+ pmd = fill_pmd(pud, vaddr);
+ pte = fill_pte(pmd, vaddr);
+
++ pax_open_kernel();
+ set_pte(pte, new_pte);
++ pax_close_kernel();
+
+ /*
+ * It's enough to flush this one mapping.
+@@ -261,14 +277,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size,
+ pgd = pgd_offset_k((unsigned long)__va(phys));
+ if (pgd_none(*pgd)) {
+ pud = (pud_t *) spp_getpage();
+- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE |
+- _PAGE_USER));
++ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE));
+ }
+ pud = pud_offset(pgd, (unsigned long)__va(phys));
+ if (pud_none(*pud)) {
+ pmd = (pmd_t *) spp_getpage();
+- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE |
+- _PAGE_USER));
++ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE));
+ }
+ pmd = pmd_offset(pud, phys);
+ BUG_ON(!pmd_none(*pmd));
+@@ -329,7 +343,7 @@ static __ref void *alloc_low_page(unsigned long *phys)
+ if (pfn >= pgt_buf_top)
+ panic("alloc_low_page: ran out of memory");
+
+- adr = early_memremap(pfn * PAGE_SIZE, PAGE_SIZE);
++ adr = (void __force_kernel *)early_memremap(pfn * PAGE_SIZE, PAGE_SIZE);
+ clear_page(adr);
+ *phys = pfn * PAGE_SIZE;
+ return adr;
+@@ -345,7 +359,7 @@ static __ref void *map_low_page(void *virt)
+
+ phys = __pa(virt);
+ left = phys & (PAGE_SIZE - 1);
+- adr = early_memremap(phys & PAGE_MASK, PAGE_SIZE);
++ adr = (void __force_kernel *)early_memremap(phys & PAGE_MASK, PAGE_SIZE);
+ adr = (void *)(((unsigned long)adr) | left);
+
+ return adr;
+@@ -553,7 +567,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
+ unmap_low_page(pmd);
+
+ spin_lock(&init_mm.page_table_lock);
+- pud_populate(&init_mm, pud, __va(pmd_phys));
++ pud_populate_kernel(&init_mm, pud, __va(pmd_phys));
+ spin_unlock(&init_mm.page_table_lock);
+ }
+ __flush_tlb_all();
+@@ -599,7 +613,7 @@ kernel_physical_mapping_init(unsigned long start,
+ unmap_low_page(pud);
+
+ spin_lock(&init_mm.page_table_lock);
+- pgd_populate(&init_mm, pgd, __va(pud_phys));
++ pgd_populate_kernel(&init_mm, pgd, __va(pud_phys));
+ spin_unlock(&init_mm.page_table_lock);
+ pgd_changed = true;
+ }
+@@ -691,6 +705,12 @@ void __init mem_init(void)
+
+ pci_iommu_alloc();
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY,
++ swapper_pg_dir + KERNEL_PGD_BOUNDARY,
++ KERNEL_PGD_PTRS);
++#endif
++
+ /* clear_bss() already clear the empty_zero_page */
+
+ reservedpages = 0;
+@@ -851,8 +871,8 @@ int kern_addr_valid(unsigned long addr)
+ static struct vm_area_struct gate_vma = {
+ .vm_start = VSYSCALL_START,
+ .vm_end = VSYSCALL_START + (VSYSCALL_MAPPED_PAGES * PAGE_SIZE),
+- .vm_page_prot = PAGE_READONLY_EXEC,
+- .vm_flags = VM_READ | VM_EXEC
++ .vm_page_prot = PAGE_READONLY,
++ .vm_flags = VM_READ
+ };
+
+ struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
+@@ -886,7 +906,7 @@ int in_gate_area_no_mm(unsigned long addr)
+
+ const char *arch_vma_name(struct vm_area_struct *vma)
+ {
+- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
++ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso)
+ return "[vdso]";
+ if (vma == &gate_vma)
+ return "[vsyscall]";
+diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
+index 7b179b4..6bd1777 100644
+--- a/arch/x86/mm/iomap_32.c
++++ b/arch/x86/mm/iomap_32.c
+@@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot)
+ type = kmap_atomic_idx_push();
+ idx = type + KM_TYPE_NR * smp_processor_id();
+ vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
++
++ pax_open_kernel();
+ set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
++ pax_close_kernel();
++
+ arch_flush_lazy_mmu_mode();
+
+ return (void *)vaddr;
+diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
+index 78fe3f1..8293b6f 100644
+--- a/arch/x86/mm/ioremap.c
++++ b/arch/x86/mm/ioremap.c
+@@ -97,7 +97,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
+ for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) {
+ int is_ram = page_is_ram(pfn);
+
+- if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))
++ if (is_ram && pfn_valid(pfn) && (pfn >= 0x100 || !PageReserved(pfn_to_page(pfn))))
+ return NULL;
+ WARN_ON_ONCE(is_ram);
+ }
+@@ -315,6 +315,9 @@ void *xlate_dev_mem_ptr(unsigned long phys)
+
+ /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */
+ if (page_is_ram(start >> PAGE_SHIFT))
++#ifdef CONFIG_HIGHMEM
++ if ((start >> PAGE_SHIFT) < max_low_pfn)
++#endif
+ return __va(phys);
+
+ addr = (void __force *)ioremap_cache(start, PAGE_SIZE);
+@@ -344,7 +347,7 @@ static int __init early_ioremap_debug_setup(char *str)
+ early_param("early_ioremap_debug", early_ioremap_debug_setup);
+
+ static __initdata int after_paging_init;
+-static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
++static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE);
+
+ static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
+ {
+@@ -381,8 +384,7 @@ void __init early_ioremap_init(void)
+ slot_virt[i] = __fix_to_virt(FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*i);
+
+ pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
+- memset(bm_pte, 0, sizeof(bm_pte));
+- pmd_populate_kernel(&init_mm, pmd, bm_pte);
++ pmd_populate_user(&init_mm, pmd, bm_pte);
+
+ /*
+ * The boot-ioremap range spans multiple pmds, for which
+diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
+index d87dd6d..bf3fa66 100644
+--- a/arch/x86/mm/kmemcheck/kmemcheck.c
++++ b/arch/x86/mm/kmemcheck/kmemcheck.c
+@@ -622,9 +622,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
+ * memory (e.g. tracked pages)? For now, we need this to avoid
+ * invoking kmemcheck for PnP BIOS calls.
+ */
+- if (regs->flags & X86_VM_MASK)
++ if (v8086_mode(regs))
+ return false;
+- if (regs->cs != __KERNEL_CS)
++ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS)
+ return false;
+
+ pte = kmemcheck_pte_lookup(address);
+diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
+index 845df68..1d8d29f 100644
+--- a/arch/x86/mm/mmap.c
++++ b/arch/x86/mm/mmap.c
+@@ -52,7 +52,7 @@ static unsigned int stack_maxrandom_size(void)
+ * Leave an at least ~128 MB hole with possible stack randomization.
+ */
+ #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size())
+-#define MAX_GAP (TASK_SIZE/6*5)
++#define MAX_GAP (pax_task_size/6*5)
+
+ static int mmap_is_legacy(void)
+ {
+@@ -82,27 +82,40 @@ static unsigned long mmap_rnd(void)
+ return rnd << PAGE_SHIFT;
+ }
+
+-static unsigned long mmap_base(void)
++static unsigned long mmap_base(struct mm_struct *mm)
+ {
+ unsigned long gap = rlimit(RLIMIT_STACK);
++ unsigned long pax_task_size = TASK_SIZE;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
+
+ if (gap < MIN_GAP)
+ gap = MIN_GAP;
+ else if (gap > MAX_GAP)
+ gap = MAX_GAP;
+
+- return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd());
++ return PAGE_ALIGN(pax_task_size - gap - mmap_rnd());
+ }
+
+ /*
+ * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64
+ * does, but not when emulating X86_32
+ */
+-static unsigned long mmap_legacy_base(void)
++static unsigned long mmap_legacy_base(struct mm_struct *mm)
+ {
+- if (mmap_is_ia32())
++ if (mmap_is_ia32()) {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ return SEGMEXEC_TASK_UNMAPPED_BASE;
++ else
++#endif
++
+ return TASK_UNMAPPED_BASE;
+- else
++ } else
+ return TASK_UNMAPPED_BASE + mmap_rnd();
+ }
+
+@@ -113,11 +126,23 @@ static unsigned long mmap_legacy_base(void)
+ void arch_pick_mmap_layout(struct mm_struct *mm)
+ {
+ if (mmap_is_legacy()) {
+- mm->mmap_base = mmap_legacy_base();
++ mm->mmap_base = mmap_legacy_base(mm);
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ } else {
+- mm->mmap_base = mmap_base();
++ mm->mmap_base = mmap_base(mm);
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
+index dc0b727..dc9d71a 100644
+--- a/arch/x86/mm/mmio-mod.c
++++ b/arch/x86/mm/mmio-mod.c
+@@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs,
+ break;
+ default:
+ {
+- unsigned char *ip = (unsigned char *)instptr;
++ unsigned char *ip = (unsigned char *)ktla_ktva(instptr);
+ my_trace->opcode = MMIO_UNKNOWN_OP;
+ my_trace->width = 0;
+ my_trace->value = (*ip) << 16 | *(ip + 1) << 8 |
+@@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition,
+ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
+ void __iomem *addr)
+ {
+- static atomic_t next_id;
++ static atomic_unchecked_t next_id;
+ struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL);
+ /* These are page-unaligned. */
+ struct mmiotrace_map map = {
+@@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
+ .private = trace
+ },
+ .phys = offset,
+- .id = atomic_inc_return(&next_id)
++ .id = atomic_inc_return_unchecked(&next_id)
+ };
+ map.map_id = trace->id;
+
+diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
+index b008656..773eac2 100644
+--- a/arch/x86/mm/pageattr-test.c
++++ b/arch/x86/mm/pageattr-test.c
+@@ -36,7 +36,7 @@ enum {
+
+ static int pte_testbit(pte_t pte)
+ {
+- return pte_flags(pte) & _PAGE_UNUSED1;
++ return pte_flags(pte) & _PAGE_CPA_TEST;
+ }
+
+ struct split_state {
+diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
+index a718e0d..45efc32 100644
+--- a/arch/x86/mm/pageattr.c
++++ b/arch/x86/mm/pageattr.c
+@@ -261,7 +261,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
+ */
+ #ifdef CONFIG_PCI_BIOS
+ if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT))
+- pgprot_val(forbidden) |= _PAGE_NX;
++ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
+ #endif
+
+ /*
+@@ -269,9 +269,10 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
+ * Does not cover __inittext since that is gone later on. On
+ * 64bit we do not enforce !NX on the low mapping
+ */
+- if (within(address, (unsigned long)_text, (unsigned long)_etext))
+- pgprot_val(forbidden) |= _PAGE_NX;
++ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext)))
++ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
+
++#ifdef CONFIG_DEBUG_RODATA
+ /*
+ * The .rodata section needs to be read-only. Using the pfn
+ * catches all aliases.
+@@ -279,6 +280,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
+ if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT,
+ __pa((unsigned long)__end_rodata) >> PAGE_SHIFT))
+ pgprot_val(forbidden) |= _PAGE_RW;
++#endif
+
+ #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
+ /*
+@@ -317,6 +319,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
+ }
+ #endif
+
++#ifdef CONFIG_PAX_KERNEXEC
++ if (within(pfn, __pa((unsigned long)&_text), __pa((unsigned long)&_sdata))) {
++ pgprot_val(forbidden) |= _PAGE_RW;
++ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
++ }
++#endif
++
+ prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
+
+ return prot;
+@@ -369,23 +378,37 @@ EXPORT_SYMBOL_GPL(lookup_address);
+ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
+ {
+ /* change init_mm */
++ pax_open_kernel();
+ set_pte_atomic(kpte, pte);
++
+ #ifdef CONFIG_X86_32
+ if (!SHARED_KERNEL_PMD) {
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ unsigned long cpu;
++#else
+ struct page *page;
++#endif
+
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
++ pgd_t *pgd = get_cpu_pgd(cpu);
++#else
+ list_for_each_entry(page, &pgd_list, lru) {
+- pgd_t *pgd;
++ pgd_t *pgd = (pgd_t *)page_address(page);
++#endif
++
+ pud_t *pud;
+ pmd_t *pmd;
+
+- pgd = (pgd_t *)page_address(page) + pgd_index(address);
++ pgd += pgd_index(address);
+ pud = pud_offset(pgd, address);
+ pmd = pmd_offset(pud, address);
+ set_pte_atomic((pte_t *)pmd, pte);
+ }
+ }
+ #endif
++ pax_close_kernel();
+ }
+
+ static int
+diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
+index 3d68ef6..7f69136 100644
+--- a/arch/x86/mm/pat.c
++++ b/arch/x86/mm/pat.c
+@@ -376,7 +376,7 @@ int free_memtype(u64 start, u64 end)
+
+ if (!entry) {
+ printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n",
+- current->comm, current->pid, start, end - 1);
++ current->comm, task_pid_nr(current), start, end - 1);
+ return -EINVAL;
+ }
+
+@@ -506,8 +506,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
+
+ while (cursor < to) {
+ if (!devmem_is_allowed(pfn)) {
+- printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx]\n",
+- current->comm, from, to - 1);
++ printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx)\n",
++ current->comm, from, to - 1, cursor);
+ return 0;
+ }
+ cursor += PAGE_SIZE;
+@@ -570,7 +570,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flags)
+ if (ioremap_change_attr((unsigned long)__va(base), id_sz, flags) < 0) {
+ printk(KERN_INFO "%s:%d ioremap_change_attr failed %s "
+ "for [mem %#010Lx-%#010Lx]\n",
+- current->comm, current->pid,
++ current->comm, task_pid_nr(current),
+ cattr_name(flags),
+ base, (unsigned long long)(base + size-1));
+ return -EINVAL;
+@@ -605,7 +605,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
+ flags = lookup_memtype(paddr);
+ if (want_flags != flags) {
+ printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n",
+- current->comm, current->pid,
++ current->comm, task_pid_nr(current),
+ cattr_name(want_flags),
+ (unsigned long long)paddr,
+ (unsigned long long)(paddr + size - 1),
+@@ -627,7 +627,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
+ free_memtype(paddr, paddr + size);
+ printk(KERN_ERR "%s:%d map pfn expected mapping type %s"
+ " for [mem %#010Lx-%#010Lx], got %s\n",
+- current->comm, current->pid,
++ current->comm, task_pid_nr(current),
+ cattr_name(want_flags),
+ (unsigned long long)paddr,
+ (unsigned long long)(paddr + size - 1),
+diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
+index 9f0614d..92ae64a 100644
+--- a/arch/x86/mm/pf_in.c
++++ b/arch/x86/mm/pf_in.c
+@@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned long ins_addr)
+ int i;
+ enum reason_type rv = OTHERS;
+
+- p = (unsigned char *)ins_addr;
++ p = (unsigned char *)ktla_ktva(ins_addr);
+ p += skip_prefix(p, &prf);
+ p += get_opcode(p, &opcode);
+
+@@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr)
+ struct prefix_bits prf;
+ int i;
+
+- p = (unsigned char *)ins_addr;
++ p = (unsigned char *)ktla_ktva(ins_addr);
+ p += skip_prefix(p, &prf);
+ p += get_opcode(p, &opcode);
+
+@@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr)
+ struct prefix_bits prf;
+ int i;
+
+- p = (unsigned char *)ins_addr;
++ p = (unsigned char *)ktla_ktva(ins_addr);
+ p += skip_prefix(p, &prf);
+ p += get_opcode(p, &opcode);
+
+@@ -415,7 +415,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
+ struct prefix_bits prf;
+ int i;
+
+- p = (unsigned char *)ins_addr;
++ p = (unsigned char *)ktla_ktva(ins_addr);
+ p += skip_prefix(p, &prf);
+ p += get_opcode(p, &opcode);
+ for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
+@@ -470,7 +470,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
+ struct prefix_bits prf;
+ int i;
+
+- p = (unsigned char *)ins_addr;
++ p = (unsigned char *)ktla_ktva(ins_addr);
+ p += skip_prefix(p, &prf);
+ p += get_opcode(p, &opcode);
+ for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
+diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
+index 8573b83..4f3ed7e 100644
+--- a/arch/x86/mm/pgtable.c
++++ b/arch/x86/mm/pgtable.c
+@@ -84,10 +84,64 @@ static inline void pgd_list_del(pgd_t *pgd)
+ list_del(&page->lru);
+ }
+
+-#define UNSHARED_PTRS_PER_PGD \
+- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT;
+
++void __shadow_user_pgds(pgd_t *dst, const pgd_t *src)
++{
++ unsigned int count = USER_PGD_PTRS;
+
++ while (count--)
++ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER);
++}
++#endif
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++void __clone_user_pgds(pgd_t *dst, const pgd_t *src)
++{
++ unsigned int count = USER_PGD_PTRS;
++
++ while (count--) {
++ pgd_t pgd;
++
++#ifdef CONFIG_X86_64
++ pgd = __pgd(pgd_val(*src++) | _PAGE_USER);
++#else
++ pgd = *src++;
++#endif
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++ pgd = __pgd(pgd_val(pgd) & clone_pgd_mask);
++#endif
++
++ *dst++ = pgd;
++ }
++
++}
++#endif
++
++#ifdef CONFIG_X86_64
++#define pxd_t pud_t
++#define pyd_t pgd_t
++#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn)
++#define pxd_free(mm, pud) pud_free((mm), (pud))
++#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud))
++#define pyd_offset(mm, address) pgd_offset((mm), (address))
++#define PYD_SIZE PGDIR_SIZE
++#else
++#define pxd_t pmd_t
++#define pyd_t pud_t
++#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn)
++#define pxd_free(mm, pud) pmd_free((mm), (pud))
++#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud))
++#define pyd_offset(mm, address) pud_offset((mm), (address))
++#define PYD_SIZE PUD_SIZE
++#endif
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {}
++static inline void pgd_dtor(pgd_t *pgd) {}
++#else
+ static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm)
+ {
+ BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm));
+@@ -128,6 +182,7 @@ static void pgd_dtor(pgd_t *pgd)
+ pgd_list_del(pgd);
+ spin_unlock(&pgd_lock);
+ }
++#endif
+
+ /*
+ * List of all pgd's needed for non-PAE so it can invalidate entries
+@@ -140,7 +195,7 @@ static void pgd_dtor(pgd_t *pgd)
+ * -- wli
+ */
+
+-#ifdef CONFIG_X86_PAE
++#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
+ /*
+ * In PAE mode, we need to do a cr3 reload (=tlb flush) when
+ * updating the top-level pagetable entries to guarantee the
+@@ -152,7 +207,7 @@ static void pgd_dtor(pgd_t *pgd)
+ * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate
+ * and initialize the kernel pmds here.
+ */
+-#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD
++#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
+
+ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
+ {
+@@ -170,36 +225,38 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
+ */
+ flush_tlb_mm(mm);
+ }
++#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD)
++#define PREALLOCATED_PXDS USER_PGD_PTRS
+ #else /* !CONFIG_X86_PAE */
+
+ /* No need to prepopulate any pagetable entries in non-PAE modes. */
+-#define PREALLOCATED_PMDS 0
++#define PREALLOCATED_PXDS 0
+
+ #endif /* CONFIG_X86_PAE */
+
+-static void free_pmds(pmd_t *pmds[])
++static void free_pxds(pxd_t *pxds[])
+ {
+ int i;
+
+- for(i = 0; i < PREALLOCATED_PMDS; i++)
+- if (pmds[i])
+- free_page((unsigned long)pmds[i]);
++ for(i = 0; i < PREALLOCATED_PXDS; i++)
++ if (pxds[i])
++ free_page((unsigned long)pxds[i]);
+ }
+
+-static int preallocate_pmds(pmd_t *pmds[])
++static int preallocate_pxds(pxd_t *pxds[])
+ {
+ int i;
+ bool failed = false;
+
+- for(i = 0; i < PREALLOCATED_PMDS; i++) {
+- pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP);
+- if (pmd == NULL)
++ for(i = 0; i < PREALLOCATED_PXDS; i++) {
++ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP);
++ if (pxd == NULL)
+ failed = true;
+- pmds[i] = pmd;
++ pxds[i] = pxd;
+ }
+
+ if (failed) {
+- free_pmds(pmds);
++ free_pxds(pxds);
+ return -ENOMEM;
+ }
+
+@@ -212,51 +269,55 @@ static int preallocate_pmds(pmd_t *pmds[])
+ * preallocate which never got a corresponding vma will need to be
+ * freed manually.
+ */
+-static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
++static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp)
+ {
+ int i;
+
+- for(i = 0; i < PREALLOCATED_PMDS; i++) {
++ for(i = 0; i < PREALLOCATED_PXDS; i++) {
+ pgd_t pgd = pgdp[i];
+
+ if (pgd_val(pgd) != 0) {
+- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd);
++ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd);
+
+- pgdp[i] = native_make_pgd(0);
++ set_pgd(pgdp + i, native_make_pgd(0));
+
+- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT);
+- pmd_free(mm, pmd);
++ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT);
++ pxd_free(mm, pxd);
+ }
+ }
+ }
+
+-static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
++static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[])
+ {
+- pud_t *pud;
++ pyd_t *pyd;
+ unsigned long addr;
+ int i;
+
+- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
++ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */
+ return;
+
+- pud = pud_offset(pgd, 0);
++#ifdef CONFIG_X86_64
++ pyd = pyd_offset(mm, 0L);
++#else
++ pyd = pyd_offset(pgd, 0L);
++#endif
+
+- for (addr = i = 0; i < PREALLOCATED_PMDS;
+- i++, pud++, addr += PUD_SIZE) {
+- pmd_t *pmd = pmds[i];
++ for (addr = i = 0; i < PREALLOCATED_PXDS;
++ i++, pyd++, addr += PYD_SIZE) {
++ pxd_t *pxd = pxds[i];
+
+ if (i >= KERNEL_PGD_BOUNDARY)
+- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
+- sizeof(pmd_t) * PTRS_PER_PMD);
++ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
++ sizeof(pxd_t) * PTRS_PER_PMD);
+
+- pud_populate(mm, pud, pmd);
++ pyd_populate(mm, pyd, pxd);
+ }
+ }
+
+ pgd_t *pgd_alloc(struct mm_struct *mm)
+ {
+ pgd_t *pgd;
+- pmd_t *pmds[PREALLOCATED_PMDS];
++ pxd_t *pxds[PREALLOCATED_PXDS];
+
+ pgd = (pgd_t *)__get_free_page(PGALLOC_GFP);
+
+@@ -265,11 +326,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
+
+ mm->pgd = pgd;
+
+- if (preallocate_pmds(pmds) != 0)
++ if (preallocate_pxds(pxds) != 0)
+ goto out_free_pgd;
+
+ if (paravirt_pgd_alloc(mm) != 0)
+- goto out_free_pmds;
++ goto out_free_pxds;
+
+ /*
+ * Make sure that pre-populating the pmds is atomic with
+@@ -279,14 +340,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
+ spin_lock(&pgd_lock);
+
+ pgd_ctor(mm, pgd);
+- pgd_prepopulate_pmd(mm, pgd, pmds);
++ pgd_prepopulate_pxd(mm, pgd, pxds);
+
+ spin_unlock(&pgd_lock);
+
+ return pgd;
+
+-out_free_pmds:
+- free_pmds(pmds);
++out_free_pxds:
++ free_pxds(pxds);
+ out_free_pgd:
+ free_page((unsigned long)pgd);
+ out:
+@@ -295,7 +356,7 @@ out:
+
+ void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+ {
+- pgd_mop_up_pmds(mm, pgd);
++ pgd_mop_up_pxds(mm, pgd);
+ pgd_dtor(pgd);
+ paravirt_pgd_free(mm, pgd);
+ free_page((unsigned long)pgd);
+diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
+index a69bcb8..19068ab 100644
+--- a/arch/x86/mm/pgtable_32.c
++++ b/arch/x86/mm/pgtable_32.c
+@@ -47,10 +47,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
+ return;
+ }
+ pte = pte_offset_kernel(pmd, vaddr);
++
++ pax_open_kernel();
+ if (pte_val(pteval))
+ set_pte_at(&init_mm, vaddr, pte, pteval);
+ else
+ pte_clear(&init_mm, vaddr, pte);
++ pax_close_kernel();
+
+ /*
+ * It's enough to flush this one mapping.
+diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
+index 410531d..0f16030 100644
+--- a/arch/x86/mm/setup_nx.c
++++ b/arch/x86/mm/setup_nx.c
+@@ -5,8 +5,10 @@
+ #include <asm/pgtable.h>
+ #include <asm/proto.h>
+
++#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
+ static int disable_nx __cpuinitdata;
+
++#ifndef CONFIG_PAX_PAGEEXEC
+ /*
+ * noexec = on|off
+ *
+@@ -28,12 +30,17 @@ static int __init noexec_setup(char *str)
+ return 0;
+ }
+ early_param("noexec", noexec_setup);
++#endif
++
++#endif
+
+ void __cpuinit x86_configure_nx(void)
+ {
++#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
+ if (cpu_has_nx && !disable_nx)
+ __supported_pte_mask |= _PAGE_NX;
+ else
++#endif
+ __supported_pte_mask &= ~_PAGE_NX;
+ }
+
+diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
+index 613cd83..3a21f1c 100644
+--- a/arch/x86/mm/tlb.c
++++ b/arch/x86/mm/tlb.c
+@@ -48,7 +48,11 @@ void leave_mm(int cpu)
+ BUG();
+ if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) {
+ cpumask_clear_cpu(cpu, mm_cpumask(active_mm));
++
++#ifndef CONFIG_PAX_PER_CPU_PGD
+ load_cr3(swapper_pg_dir);
++#endif
++
+ }
+ }
+ EXPORT_SYMBOL_GPL(leave_mm);
+diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S
+index 877b9a1..a8ecf42 100644
+--- a/arch/x86/net/bpf_jit.S
++++ b/arch/x86/net/bpf_jit.S
+@@ -9,6 +9,7 @@
+ */
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
++#include <asm/alternative-asm.h>
+
+ /*
+ * Calling convention :
+@@ -35,6 +36,7 @@ sk_load_word_positive_offset:
+ jle bpf_slow_path_word
+ mov (SKBDATA,%rsi),%eax
+ bswap %eax /* ntohl() */
++ pax_force_retaddr
+ ret
+
+ sk_load_half:
+@@ -52,6 +54,7 @@ sk_load_half_positive_offset:
+ jle bpf_slow_path_half
+ movzwl (SKBDATA,%rsi),%eax
+ rol $8,%ax # ntohs()
++ pax_force_retaddr
+ ret
+
+ sk_load_byte:
+@@ -66,6 +69,7 @@ sk_load_byte_positive_offset:
+ cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */
+ jle bpf_slow_path_byte
+ movzbl (SKBDATA,%rsi),%eax
++ pax_force_retaddr
+ ret
+
+ /**
+@@ -87,6 +91,7 @@ sk_load_byte_msh_positive_offset:
+ movzbl (SKBDATA,%rsi),%ebx
+ and $15,%bl
+ shl $2,%bl
++ pax_force_retaddr
+ ret
+
+ /* rsi contains offset and can be scratched */
+@@ -109,6 +114,7 @@ bpf_slow_path_word:
+ js bpf_error
+ mov -12(%rbp),%eax
+ bswap %eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_half:
+@@ -117,12 +123,14 @@ bpf_slow_path_half:
+ mov -12(%rbp),%ax
+ rol $8,%ax
+ movzwl %ax,%eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_byte:
+ bpf_slow_path_common(1)
+ js bpf_error
+ movzbl -12(%rbp),%eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_byte_msh:
+@@ -133,6 +141,7 @@ bpf_slow_path_byte_msh:
+ and $15,%al
+ shl $2,%al
+ xchg %eax,%ebx
++ pax_force_retaddr
+ ret
+
+ #define sk_negative_common(SIZE) \
+@@ -157,6 +166,7 @@ sk_load_word_negative_offset:
+ sk_negative_common(4)
+ mov (%rax), %eax
+ bswap %eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_half_neg:
+@@ -168,6 +178,7 @@ sk_load_half_negative_offset:
+ mov (%rax),%ax
+ rol $8,%ax
+ movzwl %ax,%eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_byte_neg:
+@@ -177,6 +188,7 @@ sk_load_byte_negative_offset:
+ .globl sk_load_byte_negative_offset
+ sk_negative_common(1)
+ movzbl (%rax), %eax
++ pax_force_retaddr
+ ret
+
+ bpf_slow_path_byte_msh_neg:
+@@ -190,6 +202,7 @@ sk_load_byte_msh_negative_offset:
+ and $15,%al
+ shl $2,%al
+ xchg %eax,%ebx
++ pax_force_retaddr
+ ret
+
+ bpf_error:
+@@ -197,4 +210,5 @@ bpf_error:
+ xor %eax,%eax
+ mov -8(%rbp),%rbx
+ leaveq
++ pax_force_retaddr
+ ret
+diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
+index 33643a8..8e44870 100644
+--- a/arch/x86/net/bpf_jit_comp.c
++++ b/arch/x86/net/bpf_jit_comp.c
+@@ -120,6 +120,11 @@ static inline void bpf_flush_icache(void *start, void *end)
+ set_fs(old_fs);
+ }
+
++struct bpf_jit_work {
++ struct work_struct work;
++ void *image;
++};
++
+ #define CHOOSE_LOAD_FUNC(K, func) \
+ ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset)
+
+@@ -146,6 +151,10 @@ void bpf_jit_compile(struct sk_filter *fp)
+ if (addrs == NULL)
+ return;
+
++ fp->work = kmalloc(sizeof(*fp->work), GFP_KERNEL);
++ if (!fp->work)
++ goto out;
++
+ /* Before first pass, make a rough estimation of addrs[]
+ * each bpf instruction is translated to less than 64 bytes
+ */
+@@ -593,17 +602,18 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+ break;
+ default:
+ /* hmm, too complex filter, give up with jit compiler */
+- goto out;
++ goto error;
+ }
+ ilen = prog - temp;
+ if (image) {
+ if (unlikely(proglen + ilen > oldproglen)) {
+ pr_err("bpb_jit_compile fatal error\n");
+- kfree(addrs);
+- module_free(NULL, image);
+- return;
++ module_free_exec(NULL, image);
++ goto error;
+ }
++ pax_open_kernel();
+ memcpy(image + proglen, temp, ilen);
++ pax_close_kernel();
+ }
+ proglen += ilen;
+ addrs[i] = proglen;
+@@ -624,11 +634,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+ break;
+ }
+ if (proglen == oldproglen) {
+- image = module_alloc(max_t(unsigned int,
+- proglen,
+- sizeof(struct work_struct)));
++ image = module_alloc_exec(proglen);
+ if (!image)
+- goto out;
++ goto error;
+ }
+ oldproglen = proglen;
+ }
+@@ -644,7 +652,10 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+ bpf_flush_icache(image, image + proglen);
+
+ fp->bpf_func = (void *)image;
+- }
++ } else
++error:
++ kfree(fp->work);
++
+ out:
+ kfree(addrs);
+ return;
+@@ -652,18 +663,20 @@ out:
+
+ static void jit_free_defer(struct work_struct *arg)
+ {
+- module_free(NULL, arg);
++ module_free_exec(NULL, ((struct bpf_jit_work *)arg)->image);
++ kfree(arg);
+ }
+
+ /* run from softirq, we must use a work_struct to call
+- * module_free() from process context
++ * module_free_exec() from process context
+ */
+ void bpf_jit_free(struct sk_filter *fp)
+ {
+ if (fp->bpf_func != sk_run_filter) {
+- struct work_struct *work = (struct work_struct *)fp->bpf_func;
++ struct work_struct *work = &fp->work->work;
+
+ INIT_WORK(work, jit_free_defer);
++ fp->work->image = fp->bpf_func;
+ schedule_work(work);
+ }
+ }
+diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
+index d6aa6e8..266395a 100644
+--- a/arch/x86/oprofile/backtrace.c
++++ b/arch/x86/oprofile/backtrace.c
+@@ -46,11 +46,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head)
+ struct stack_frame_ia32 *fp;
+ unsigned long bytes;
+
+- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
++ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
+ if (bytes != sizeof(bufhead))
+ return NULL;
+
+- fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame);
++ fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame);
+
+ oprofile_add_trace(bufhead[0].return_address);
+
+@@ -92,7 +92,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head)
+ struct stack_frame bufhead[2];
+ unsigned long bytes;
+
+- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
++ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
+ if (bytes != sizeof(bufhead))
+ return NULL;
+
+@@ -111,7 +111,7 @@ x86_backtrace(struct pt_regs * const regs, unsigned int depth)
+ {
+ struct stack_frame *head = (struct stack_frame *)frame_pointer(regs);
+
+- if (!user_mode_vm(regs)) {
++ if (!user_mode(regs)) {
+ unsigned long stack = kernel_stack_pointer(regs);
+ if (depth)
+ dump_trace(NULL, regs, (unsigned long *)stack, 0,
+diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
+index e14a2ff..3fd6b58 100644
+--- a/arch/x86/pci/mrst.c
++++ b/arch/x86/pci/mrst.c
+@@ -238,7 +238,9 @@ int __init pci_mrst_init(void)
+ printk(KERN_INFO "Intel MID platform detected, using MID PCI ops\n");
+ pci_mmcfg_late_init();
+ pcibios_enable_irq = mrst_pci_irq_enable;
+- pci_root_ops = pci_mrst_ops;
++ pax_open_kernel();
++ memcpy((void *)&pci_root_ops, &pci_mrst_ops, sizeof(pci_mrst_ops));
++ pax_close_kernel();
+ pci_soc_mode = 1;
+ /* Continue with standard init */
+ return 1;
+diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
+index da8fe05..7ee6704 100644
+--- a/arch/x86/pci/pcbios.c
++++ b/arch/x86/pci/pcbios.c
+@@ -79,50 +79,93 @@ union bios32 {
+ static struct {
+ unsigned long address;
+ unsigned short segment;
+-} bios32_indirect = { 0, __KERNEL_CS };
++} bios32_indirect __read_only = { 0, __PCIBIOS_CS };
+
+ /*
+ * Returns the entry point for the given service, NULL on error
+ */
+
+-static unsigned long bios32_service(unsigned long service)
++static unsigned long __devinit bios32_service(unsigned long service)
+ {
+ unsigned char return_code; /* %al */
+ unsigned long address; /* %ebx */
+ unsigned long length; /* %ecx */
+ unsigned long entry; /* %edx */
+ unsigned long flags;
++ struct desc_struct d, *gdt;
+
+ local_irq_save(flags);
+- __asm__("lcall *(%%edi); cld"
++
++ gdt = get_cpu_gdt_table(smp_processor_id());
++
++ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC);
++ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
++ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC);
++ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
++
++ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld"
+ : "=a" (return_code),
+ "=b" (address),
+ "=c" (length),
+ "=d" (entry)
+ : "0" (service),
+ "1" (0),
+- "D" (&bios32_indirect));
++ "D" (&bios32_indirect),
++ "r"(__PCIBIOS_DS)
++ : "memory");
++
++ pax_open_kernel();
++ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0;
++ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0;
++ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0;
++ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0;
++ pax_close_kernel();
++
+ local_irq_restore(flags);
+
+ switch (return_code) {
+- case 0:
+- return address + entry;
+- case 0x80: /* Not present */
+- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
+- return 0;
+- default: /* Shouldn't happen */
+- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
+- service, return_code);
++ case 0: {
++ int cpu;
++ unsigned char flags;
++
++ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry);
++ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) {
++ printk(KERN_WARNING "bios32_service: not valid\n");
+ return 0;
++ }
++ address = address + PAGE_OFFSET;
++ length += 16UL; /* some BIOSs underreport this... */
++ flags = 4;
++ if (length >= 64*1024*1024) {
++ length >>= PAGE_SHIFT;
++ flags |= 8;
++ }
++
++ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
++ gdt = get_cpu_gdt_table(cpu);
++ pack_descriptor(&d, address, length, 0x9b, flags);
++ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
++ pack_descriptor(&d, address, length, 0x93, flags);
++ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
++ }
++ return entry;
++ }
++ case 0x80: /* Not present */
++ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
++ return 0;
++ default: /* Shouldn't happen */
++ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
++ service, return_code);
++ return 0;
+ }
+ }
+
+ static struct {
+ unsigned long address;
+ unsigned short segment;
+-} pci_indirect = { 0, __KERNEL_CS };
++} pci_indirect __read_only = { 0, __PCIBIOS_CS };
+
+-static int pci_bios_present;
++static int pci_bios_present __read_only;
+
+ static int __devinit check_pcibios(void)
+ {
+@@ -131,11 +174,13 @@ static int __devinit check_pcibios(void)
+ unsigned long flags, pcibios_entry;
+
+ if ((pcibios_entry = bios32_service(PCI_SERVICE))) {
+- pci_indirect.address = pcibios_entry + PAGE_OFFSET;
++ pci_indirect.address = pcibios_entry;
+
+ local_irq_save(flags);
+- __asm__(
+- "lcall *(%%edi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%edi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -144,7 +189,8 @@ static int __devinit check_pcibios(void)
+ "=b" (ebx),
+ "=c" (ecx)
+ : "1" (PCIBIOS_PCI_BIOS_PRESENT),
+- "D" (&pci_indirect)
++ "D" (&pci_indirect),
++ "r" (__PCIBIOS_DS)
+ : "memory");
+ local_irq_restore(flags);
+
+@@ -189,7 +235,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+
+ switch (len) {
+ case 1:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -198,7 +247,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+ : "1" (PCIBIOS_READ_CONFIG_BYTE),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ /*
+ * Zero-extend the result beyond 8 bits, do not trust the
+ * BIOS having done it:
+@@ -206,7 +256,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+ *value &= 0xff;
+ break;
+ case 2:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -215,7 +268,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+ : "1" (PCIBIOS_READ_CONFIG_WORD),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ /*
+ * Zero-extend the result beyond 16 bits, do not trust the
+ * BIOS having done it:
+@@ -223,7 +277,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+ *value &= 0xffff;
+ break;
+ case 4:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -232,7 +289,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
+ : "1" (PCIBIOS_READ_CONFIG_DWORD),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ break;
+ }
+
+@@ -256,7 +314,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
+
+ switch (len) {
+ case 1:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -265,10 +326,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
+ "c" (value),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ break;
+ case 2:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -277,10 +342,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
+ "c" (value),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ break;
+ case 4:
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w6, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -289,7 +358,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
+ "c" (value),
+ "b" (bx),
+ "D" ((long)reg),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ break;
+ }
+
+@@ -394,10 +464,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
+
+ DBG("PCI: Fetching IRQ routing table... ");
+ __asm__("push %%es\n\t"
++ "movw %w8, %%ds\n\t"
+ "push %%ds\n\t"
+ "pop %%es\n\t"
+- "lcall *(%%esi); cld\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
+ "pop %%es\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -408,7 +481,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
+ "1" (0),
+ "D" ((long) &opt),
+ "S" (&pci_indirect),
+- "m" (opt)
++ "m" (opt),
++ "r" (__PCIBIOS_DS)
+ : "memory");
+ DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map);
+ if (ret & 0xff00)
+@@ -432,7 +506,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
+ {
+ int ret;
+
+- __asm__("lcall *(%%esi); cld\n\t"
++ __asm__("movw %w5, %%ds\n\t"
++ "lcall *%%ss:(%%esi); cld\n\t"
++ "push %%ss\n\t"
++ "pop %%ds\n"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+@@ -440,7 +517,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
+ : "0" (PCIBIOS_SET_PCI_HW_INT),
+ "b" ((dev->bus->number << 8) | dev->devfn),
+ "c" ((irq << 8) | (pin + 10)),
+- "S" (&pci_indirect));
++ "S" (&pci_indirect),
++ "r" (__PCIBIOS_DS));
+ return !(ret & 0xff00);
+ }
+ EXPORT_SYMBOL(pcibios_set_irq_routing);
+diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
+index 40e4469..1ab536e 100644
+--- a/arch/x86/platform/efi/efi_32.c
++++ b/arch/x86/platform/efi/efi_32.c
+@@ -44,11 +44,22 @@ void efi_call_phys_prelog(void)
+ {
+ struct desc_ptr gdt_descr;
+
++#ifdef CONFIG_PAX_KERNEXEC
++ struct desc_struct d;
++#endif
++
+ local_irq_save(efi_rt_eflags);
+
+ load_cr3(initial_page_table);
+ __flush_tlb_all();
+
++#ifdef CONFIG_PAX_KERNEXEC
++ pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC);
++ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
++ pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC);
++ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
++#endif
++
+ gdt_descr.address = __pa(get_cpu_gdt_table(0));
+ gdt_descr.size = GDT_SIZE - 1;
+ load_gdt(&gdt_descr);
+@@ -58,6 +69,14 @@ void efi_call_phys_epilog(void)
+ {
+ struct desc_ptr gdt_descr;
+
++#ifdef CONFIG_PAX_KERNEXEC
++ struct desc_struct d;
++
++ memset(&d, 0, sizeof d);
++ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
++ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
++#endif
++
+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
+ gdt_descr.size = GDT_SIZE - 1;
+ load_gdt(&gdt_descr);
+diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S
+index fbe66e6..eae5e38 100644
+--- a/arch/x86/platform/efi/efi_stub_32.S
++++ b/arch/x86/platform/efi/efi_stub_32.S
+@@ -6,7 +6,9 @@
+ */
+
+ #include <linux/linkage.h>
++#include <linux/init.h>
+ #include <asm/page_types.h>
++#include <asm/segment.h>
+
+ /*
+ * efi_call_phys(void *, ...) is a function with variable parameters.
+@@ -20,7 +22,7 @@
+ * service functions will comply with gcc calling convention, too.
+ */
+
+-.text
++__INIT
+ ENTRY(efi_call_phys)
+ /*
+ * 0. The function can only be called in Linux kernel. So CS has been
+@@ -36,10 +38,24 @@ ENTRY(efi_call_phys)
+ * The mapping of lower virtual memory has been created in prelog and
+ * epilog.
+ */
+- movl $1f, %edx
+- subl $__PAGE_OFFSET, %edx
+- jmp *%edx
++#ifdef CONFIG_PAX_KERNEXEC
++ movl $(__KERNEXEC_EFI_DS), %edx
++ mov %edx, %ds
++ mov %edx, %es
++ mov %edx, %ss
++ addl $2f,(1f)
++ ljmp *(1f)
++
++__INITDATA
++1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS
++.previous
++
++2:
++ subl $2b,(1b)
++#else
++ jmp 1f-__PAGE_OFFSET
+ 1:
++#endif
+
+ /*
+ * 2. Now on the top of stack is the return
+@@ -47,14 +63,8 @@ ENTRY(efi_call_phys)
+ * parameter 2, ..., param n. To make things easy, we save the return
+ * address of efi_call_phys in a global variable.
+ */
+- popl %edx
+- movl %edx, saved_return_addr
+- /* get the function pointer into ECX*/
+- popl %ecx
+- movl %ecx, efi_rt_function_ptr
+- movl $2f, %edx
+- subl $__PAGE_OFFSET, %edx
+- pushl %edx
++ popl (saved_return_addr)
++ popl (efi_rt_function_ptr)
+
+ /*
+ * 3. Clear PG bit in %CR0.
+@@ -73,9 +83,8 @@ ENTRY(efi_call_phys)
+ /*
+ * 5. Call the physical function.
+ */
+- jmp *%ecx
++ call *(efi_rt_function_ptr-__PAGE_OFFSET)
+
+-2:
+ /*
+ * 6. After EFI runtime service returns, control will return to
+ * following instruction. We'd better readjust stack pointer first.
+@@ -88,35 +97,36 @@ ENTRY(efi_call_phys)
+ movl %cr0, %edx
+ orl $0x80000000, %edx
+ movl %edx, %cr0
+- jmp 1f
+-1:
++
+ /*
+ * 8. Now restore the virtual mode from flat mode by
+ * adding EIP with PAGE_OFFSET.
+ */
+- movl $1f, %edx
+- jmp *%edx
++#ifdef CONFIG_PAX_KERNEXEC
++ movl $(__KERNEL_DS), %edx
++ mov %edx, %ds
++ mov %edx, %es
++ mov %edx, %ss
++ ljmp $(__KERNEL_CS),$1f
++#else
++ jmp 1f+__PAGE_OFFSET
++#endif
+ 1:
+
+ /*
+ * 9. Balance the stack. And because EAX contain the return value,
+ * we'd better not clobber it.
+ */
+- leal efi_rt_function_ptr, %edx
+- movl (%edx), %ecx
+- pushl %ecx
++ pushl (efi_rt_function_ptr)
+
+ /*
+- * 10. Push the saved return address onto the stack and return.
++ * 10. Return to the saved return address.
+ */
+- leal saved_return_addr, %edx
+- movl (%edx), %ecx
+- pushl %ecx
+- ret
++ jmpl *(saved_return_addr)
+ ENDPROC(efi_call_phys)
+ .previous
+
+-.data
++__INITDATA
+ saved_return_addr:
+ .long 0
+ efi_rt_function_ptr:
+diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
+index 4c07cca..2c8427d 100644
+--- a/arch/x86/platform/efi/efi_stub_64.S
++++ b/arch/x86/platform/efi/efi_stub_64.S
+@@ -7,6 +7,7 @@
+ */
+
+ #include <linux/linkage.h>
++#include <asm/alternative-asm.h>
+
+ #define SAVE_XMM \
+ mov %rsp, %rax; \
+@@ -40,6 +41,7 @@ ENTRY(efi_call0)
+ call *%rdi
+ addq $32, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call0)
+
+@@ -50,6 +52,7 @@ ENTRY(efi_call1)
+ call *%rdi
+ addq $32, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call1)
+
+@@ -60,6 +63,7 @@ ENTRY(efi_call2)
+ call *%rdi
+ addq $32, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call2)
+
+@@ -71,6 +75,7 @@ ENTRY(efi_call3)
+ call *%rdi
+ addq $32, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call3)
+
+@@ -83,6 +88,7 @@ ENTRY(efi_call4)
+ call *%rdi
+ addq $32, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call4)
+
+@@ -96,6 +102,7 @@ ENTRY(efi_call5)
+ call *%rdi
+ addq $48, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call5)
+
+@@ -112,5 +119,6 @@ ENTRY(efi_call6)
+ call *%rdi
+ addq $48, %rsp
+ RESTORE_XMM
++ pax_force_retaddr 0, 1
+ ret
+ ENDPROC(efi_call6)
+diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
+index fd41a92..9c33628 100644
+--- a/arch/x86/platform/mrst/mrst.c
++++ b/arch/x86/platform/mrst/mrst.c
+@@ -78,13 +78,15 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
+ EXPORT_SYMBOL_GPL(sfi_mrtc_array);
+ int sfi_mrtc_num;
+
+-static void mrst_power_off(void)
++static __noreturn void mrst_power_off(void)
+ {
++ BUG();
+ }
+
+-static void mrst_reboot(void)
++static __noreturn void mrst_reboot(void)
+ {
+ intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
++ BUG();
+ }
+
+ /* parse all the mtimer info to a static mtimer array */
+diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
+index 218cdb1..fd55c08 100644
+--- a/arch/x86/power/cpu.c
++++ b/arch/x86/power/cpu.c
+@@ -132,7 +132,7 @@ static void do_fpu_end(void)
+ static void fix_processor_context(void)
+ {
+ int cpu = smp_processor_id();
+- struct tss_struct *t = &per_cpu(init_tss, cpu);
++ struct tss_struct *t = init_tss + cpu;
+
+ set_tss_desc(cpu, t); /*
+ * This just modifies memory; should not be
+@@ -142,7 +142,9 @@ static void fix_processor_context(void)
+ */
+
+ #ifdef CONFIG_X86_64
++ pax_open_kernel();
+ get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9;
++ pax_close_kernel();
+
+ syscall_init(); /* This sets MSR_*STAR and related */
+ #endif
+diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
+index cbca565..bae7133 100644
+--- a/arch/x86/realmode/init.c
++++ b/arch/x86/realmode/init.c
+@@ -62,7 +62,13 @@ void __init setup_real_mode(void)
+ __va(real_mode_header->trampoline_header);
+
+ #ifdef CONFIG_X86_32
+- trampoline_header->start = __pa(startup_32_smp);
++ trampoline_header->start = __pa(ktla_ktva(startup_32_smp));
++
++#ifdef CONFIG_PAX_KERNEXEC
++ trampoline_header->start -= LOAD_PHYSICAL_ADDR;
++#endif
++
++ trampoline_header->boot_cs = __BOOT_CS;
+ trampoline_header->gdt_limit = __BOOT_DS + 7;
+ trampoline_header->gdt_base = __pa(boot_gdt);
+ #else
+diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
+index 8869287..d577672 100644
+--- a/arch/x86/realmode/rm/Makefile
++++ b/arch/x86/realmode/rm/Makefile
+@@ -78,5 +78,8 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
+ $(call cc-option, -fno-unit-at-a-time)) \
+ $(call cc-option, -fno-stack-protector) \
+ $(call cc-option, -mpreferred-stack-boundary=2)
++ifdef CONSTIFY_PLUGIN
++KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
++endif
+ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+ GCOV_PROFILE := n
+diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S
+index a28221d..93c40f1 100644
+--- a/arch/x86/realmode/rm/header.S
++++ b/arch/x86/realmode/rm/header.S
+@@ -30,7 +30,9 @@ GLOBAL(real_mode_header)
+ #endif
+ /* APM/BIOS reboot */
+ .long pa_machine_real_restart_asm
+-#ifdef CONFIG_X86_64
++#ifdef CONFIG_X86_32
++ .long __KERNEL_CS
++#else
+ .long __KERNEL32_CS
+ #endif
+ END(real_mode_header)
+diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
+index c1b2791..f9e31c7 100644
+--- a/arch/x86/realmode/rm/trampoline_32.S
++++ b/arch/x86/realmode/rm/trampoline_32.S
+@@ -25,6 +25,12 @@
+ #include <asm/page_types.h>
+ #include "realmode.h"
+
++#ifdef CONFIG_PAX_KERNEXEC
++#define ta(X) (X)
++#else
++#define ta(X) (pa_ ## X)
++#endif
++
+ .text
+ .code16
+
+@@ -39,8 +45,6 @@ ENTRY(trampoline_start)
+
+ cli # We should be safe anyway
+
+- movl tr_start, %eax # where we need to go
+-
+ movl $0xA5A5A5A5, trampoline_status
+ # write marker for master knows we're running
+
+@@ -56,7 +60,7 @@ ENTRY(trampoline_start)
+ movw $1, %dx # protected mode (PE) bit
+ lmsw %dx # into protected mode
+
+- ljmpl $__BOOT_CS, $pa_startup_32
++ ljmpl *(trampoline_header)
+
+ .section ".text32","ax"
+ .code32
+@@ -67,7 +71,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S
+ .balign 8
+ GLOBAL(trampoline_header)
+ tr_start: .space 4
+- tr_gdt_pad: .space 2
++ tr_boot_cs: .space 2
+ tr_gdt: .space 6
+ END(trampoline_header)
+
+diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
+index bb360dc..3e5945f 100644
+--- a/arch/x86/realmode/rm/trampoline_64.S
++++ b/arch/x86/realmode/rm/trampoline_64.S
+@@ -107,7 +107,7 @@ ENTRY(startup_32)
+ wrmsr
+
+ # Enable paging and in turn activate Long Mode
+- movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax
++ movl $(X86_CR0_PG | X86_CR0_PE), %eax
+ movl %eax, %cr0
+
+ /*
+diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
+index 5a1847d..deccb30 100644
+--- a/arch/x86/tools/relocs.c
++++ b/arch/x86/tools/relocs.c
+@@ -12,10 +12,13 @@
+ #include <regex.h>
+ #include <tools/le_byteshift.h>
+
++#include "../../../include/generated/autoconf.h"
++
+ static void die(char *fmt, ...);
+
+ #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+ static Elf32_Ehdr ehdr;
++static Elf32_Phdr *phdr;
+ static unsigned long reloc_count, reloc_idx;
+ static unsigned long *relocs;
+ static unsigned long reloc16_count, reloc16_idx;
+@@ -330,9 +333,39 @@ static void read_ehdr(FILE *fp)
+ }
+ }
+
++static void read_phdrs(FILE *fp)
++{
++ unsigned int i;
++
++ phdr = calloc(ehdr.e_phnum, sizeof(Elf32_Phdr));
++ if (!phdr) {
++ die("Unable to allocate %d program headers\n",
++ ehdr.e_phnum);
++ }
++ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) {
++ die("Seek to %d failed: %s\n",
++ ehdr.e_phoff, strerror(errno));
++ }
++ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) {
++ die("Cannot read ELF program headers: %s\n",
++ strerror(errno));
++ }
++ for(i = 0; i < ehdr.e_phnum; i++) {
++ phdr[i].p_type = elf32_to_cpu(phdr[i].p_type);
++ phdr[i].p_offset = elf32_to_cpu(phdr[i].p_offset);
++ phdr[i].p_vaddr = elf32_to_cpu(phdr[i].p_vaddr);
++ phdr[i].p_paddr = elf32_to_cpu(phdr[i].p_paddr);
++ phdr[i].p_filesz = elf32_to_cpu(phdr[i].p_filesz);
++ phdr[i].p_memsz = elf32_to_cpu(phdr[i].p_memsz);
++ phdr[i].p_flags = elf32_to_cpu(phdr[i].p_flags);
++ phdr[i].p_align = elf32_to_cpu(phdr[i].p_align);
++ }
++
++}
++
+ static void read_shdrs(FILE *fp)
+ {
+- int i;
++ unsigned int i;
+ Elf32_Shdr shdr;
+
+ secs = calloc(ehdr.e_shnum, sizeof(struct section));
+@@ -367,7 +400,7 @@ static void read_shdrs(FILE *fp)
+
+ static void read_strtabs(FILE *fp)
+ {
+- int i;
++ unsigned int i;
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_STRTAB) {
+@@ -392,7 +425,7 @@ static void read_strtabs(FILE *fp)
+
+ static void read_symtabs(FILE *fp)
+ {
+- int i,j;
++ unsigned int i,j;
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_SYMTAB) {
+@@ -423,9 +456,11 @@ static void read_symtabs(FILE *fp)
+ }
+
+
+-static void read_relocs(FILE *fp)
++static void read_relocs(FILE *fp, int use_real_mode)
+ {
+- int i,j;
++ unsigned int i,j;
++ uint32_t base;
++
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_REL) {
+@@ -445,9 +480,22 @@ static void read_relocs(FILE *fp)
+ die("Cannot read symbol table: %s\n",
+ strerror(errno));
+ }
++ base = 0;
++
++#ifdef CONFIG_X86_32
++ for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) {
++ if (phdr[j].p_type != PT_LOAD )
++ continue;
++ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz)
++ continue;
++ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr;
++ break;
++ }
++#endif
++
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
+ Elf32_Rel *rel = &sec->reltab[j];
+- rel->r_offset = elf32_to_cpu(rel->r_offset);
++ rel->r_offset = elf32_to_cpu(rel->r_offset) + base;
+ rel->r_info = elf32_to_cpu(rel->r_info);
+ }
+ }
+@@ -456,13 +504,13 @@ static void read_relocs(FILE *fp)
+
+ static void print_absolute_symbols(void)
+ {
+- int i;
++ unsigned int i;
+ printf("Absolute symbols\n");
+ printf(" Num: Value Size Type Bind Visibility Name\n");
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ char *sym_strtab;
+- int j;
++ unsigned int j;
+
+ if (sec->shdr.sh_type != SHT_SYMTAB) {
+ continue;
+@@ -489,14 +537,14 @@ static void print_absolute_symbols(void)
+
+ static void print_absolute_relocs(void)
+ {
+- int i, printed = 0;
++ unsigned int i, printed = 0;
+
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ struct section *sec_applies, *sec_symtab;
+ char *sym_strtab;
+ Elf32_Sym *sh_symtab;
+- int j;
++ unsigned int j;
+ if (sec->shdr.sh_type != SHT_REL) {
+ continue;
+ }
+@@ -558,13 +606,13 @@ static void print_absolute_relocs(void)
+ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
+ int use_real_mode)
+ {
+- int i;
++ unsigned int i;
+ /* Walk through the relocations */
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ char *sym_strtab;
+ Elf32_Sym *sh_symtab;
+ struct section *sec_applies, *sec_symtab;
+- int j;
++ unsigned int j;
+ struct section *sec = &secs[i];
+
+ if (sec->shdr.sh_type != SHT_REL) {
+@@ -588,6 +636,24 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
+ sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
+ r_type = ELF32_R_TYPE(rel->r_info);
+
++ if (!use_real_mode) {
++ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */
++ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load"))
++ continue;
++
++#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_X86_32)
++ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */
++ if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext"))
++ continue;
++ if (!strcmp(sec_name(sym->st_shndx), ".init.text"))
++ continue;
++ if (!strcmp(sec_name(sym->st_shndx), ".exit.text"))
++ continue;
++ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR"))
++ continue;
++#endif
++ }
++
+ shn_abs = sym->st_shndx == SHN_ABS;
+
+ switch (r_type) {
+@@ -681,7 +747,7 @@ static int write32(unsigned int v, FILE *f)
+
+ static void emit_relocs(int as_text, int use_real_mode)
+ {
+- int i;
++ unsigned int i;
+ /* Count how many relocations I have and allocate space for them. */
+ reloc_count = 0;
+ walk_relocs(count_reloc, use_real_mode);
+@@ -808,10 +874,11 @@ int main(int argc, char **argv)
+ fname, strerror(errno));
+ }
+ read_ehdr(fp);
++ read_phdrs(fp);
+ read_shdrs(fp);
+ read_strtabs(fp);
+ read_symtabs(fp);
+- read_relocs(fp);
++ read_relocs(fp, use_real_mode);
+ if (show_absolute_syms) {
+ print_absolute_symbols();
+ return 0;
+diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
+index fd14be1..e3c79c0 100644
+--- a/arch/x86/vdso/Makefile
++++ b/arch/x86/vdso/Makefile
+@@ -181,7 +181,7 @@ quiet_cmd_vdso = VDSO $@
+ -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
+ sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
+
+-VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
++VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
+ GCOV_PROFILE := n
+
+ #
+diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
+index 0faad64..39ef157 100644
+--- a/arch/x86/vdso/vdso32-setup.c
++++ b/arch/x86/vdso/vdso32-setup.c
+@@ -25,6 +25,7 @@
+ #include <asm/tlbflush.h>
+ #include <asm/vdso.h>
+ #include <asm/proto.h>
++#include <asm/mman.h>
+
+ enum {
+ VDSO_DISABLED = 0,
+@@ -226,7 +227,7 @@ static inline void map_compat_vdso(int map)
+ void enable_sep_cpu(void)
+ {
+ int cpu = get_cpu();
+- struct tss_struct *tss = &per_cpu(init_tss, cpu);
++ struct tss_struct *tss = init_tss + cpu;
+
+ if (!boot_cpu_has(X86_FEATURE_SEP)) {
+ put_cpu();
+@@ -249,7 +250,7 @@ static int __init gate_vma_init(void)
+ gate_vma.vm_start = FIXADDR_USER_START;
+ gate_vma.vm_end = FIXADDR_USER_END;
+ gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
+- gate_vma.vm_page_prot = __P101;
++ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
+
+ return 0;
+ }
+@@ -330,14 +331,14 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ if (compat)
+ addr = VDSO_HIGH_BASE;
+ else {
+- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
++ addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, MAP_EXECUTABLE);
+ if (IS_ERR_VALUE(addr)) {
+ ret = addr;
+ goto up_fail;
+ }
+ }
+
+- current->mm->context.vdso = (void *)addr;
++ current->mm->context.vdso = addr;
+
+ if (compat_uses_vma || !compat) {
+ /*
+@@ -353,11 +354,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ }
+
+ current_thread_info()->sysenter_return =
+- VDSO32_SYMBOL(addr, SYSENTER_RETURN);
++ (__force void __user *)VDSO32_SYMBOL(addr, SYSENTER_RETURN);
+
+ up_fail:
+ if (ret)
+- current->mm->context.vdso = NULL;
++ current->mm->context.vdso = 0;
+
+ up_write(&mm->mmap_sem);
+
+@@ -404,8 +405,14 @@ __initcall(ia32_binfmt_init);
+
+ const char *arch_vma_name(struct vm_area_struct *vma)
+ {
+- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
++ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso)
+ return "[vdso]";
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma->vm_mm && vma->vm_mirror && vma->vm_mirror->vm_start == vma->vm_mm->context.vdso)
++ return "[vdso]";
++#endif
++
+ return NULL;
+ }
+
+@@ -415,7 +422,7 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
+ * Check to see if the corresponding task was created in compat vdso
+ * mode.
+ */
+- if (mm && mm->context.vdso == (void *)VDSO_HIGH_BASE)
++ if (mm && mm->context.vdso == VDSO_HIGH_BASE)
+ return &gate_vma;
+ return NULL;
+ }
+diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
+index 00aaf04..4a26505 100644
+--- a/arch/x86/vdso/vma.c
++++ b/arch/x86/vdso/vma.c
+@@ -16,8 +16,6 @@
+ #include <asm/vdso.h>
+ #include <asm/page.h>
+
+-unsigned int __read_mostly vdso_enabled = 1;
+-
+ extern char vdso_start[], vdso_end[];
+ extern unsigned short vdso_sync_cpuid;
+
+@@ -141,7 +139,6 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
+ * unaligned here as a result of stack start randomization.
+ */
+ addr = PAGE_ALIGN(addr);
+- addr = align_addr(addr, NULL, ALIGN_VDSO);
+
+ return addr;
+ }
+@@ -154,30 +151,31 @@ static int setup_additional_pages(struct linux_binprm *bprm,
+ unsigned size)
+ {
+ struct mm_struct *mm = current->mm;
+- unsigned long addr;
++ unsigned long addr = 0;
+ int ret;
+
+- if (!vdso_enabled)
+- return 0;
+-
+ down_write(&mm->mmap_sem);
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ addr = vdso_addr(mm->start_stack, size);
++ addr = align_addr(addr, NULL, ALIGN_VDSO);
+ addr = get_unmapped_area(NULL, addr, size, 0, 0);
+ if (IS_ERR_VALUE(addr)) {
+ ret = addr;
+ goto up_fail;
+ }
+
+- current->mm->context.vdso = (void *)addr;
++ mm->context.vdso = addr;
+
+ ret = install_special_mapping(mm, addr, size,
+ VM_READ|VM_EXEC|
+ VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC,
+ pages);
+- if (ret) {
+- current->mm->context.vdso = NULL;
+- goto up_fail;
+- }
++ if (ret)
++ mm->context.vdso = 0;
+
+ up_fail:
+ up_write(&mm->mmap_sem);
+@@ -197,10 +195,3 @@ int x32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ vdsox32_size);
+ }
+ #endif
+-
+-static __init int vdso_setup(char *s)
+-{
+- vdso_enabled = simple_strtoul(s, NULL, 0);
+- return 0;
+-}
+-__setup("vdso=", vdso_setup);
+diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
+index c1461de..355f120 100644
+--- a/arch/x86/xen/enlighten.c
++++ b/arch/x86/xen/enlighten.c
+@@ -98,8 +98,6 @@ EXPORT_SYMBOL_GPL(xen_start_info);
+
+ struct shared_info xen_dummy_shared_info;
+
+-void *xen_initial_gdt;
+-
+ RESERVE_BRK(shared_info_page_brk, PAGE_SIZE);
+ __read_mostly int xen_have_vector_callback;
+ EXPORT_SYMBOL_GPL(xen_have_vector_callback);
+@@ -917,21 +915,21 @@ static u32 xen_safe_apic_wait_icr_idle(void)
+
+ static void set_xen_basic_apic_ops(void)
+ {
+- apic->read = xen_apic_read;
+- apic->write = xen_apic_write;
+- apic->icr_read = xen_apic_icr_read;
+- apic->icr_write = xen_apic_icr_write;
+- apic->wait_icr_idle = xen_apic_wait_icr_idle;
+- apic->safe_wait_icr_idle = xen_safe_apic_wait_icr_idle;
+- apic->set_apic_id = xen_set_apic_id;
+- apic->get_apic_id = xen_get_apic_id;
++ *(void **)&apic->read = xen_apic_read;
++ *(void **)&apic->write = xen_apic_write;
++ *(void **)&apic->icr_read = xen_apic_icr_read;
++ *(void **)&apic->icr_write = xen_apic_icr_write;
++ *(void **)&apic->wait_icr_idle = xen_apic_wait_icr_idle;
++ *(void **)&apic->safe_wait_icr_idle = xen_safe_apic_wait_icr_idle;
++ *(void **)&apic->set_apic_id = xen_set_apic_id;
++ *(void **)&apic->get_apic_id = xen_get_apic_id;
+
+ #ifdef CONFIG_SMP
+- apic->send_IPI_allbutself = xen_send_IPI_allbutself;
+- apic->send_IPI_mask_allbutself = xen_send_IPI_mask_allbutself;
+- apic->send_IPI_mask = xen_send_IPI_mask;
+- apic->send_IPI_all = xen_send_IPI_all;
+- apic->send_IPI_self = xen_send_IPI_self;
++ *(void **)&apic->send_IPI_allbutself = xen_send_IPI_allbutself;
++ *(void **)&apic->send_IPI_mask_allbutself = xen_send_IPI_mask_allbutself;
++ *(void **)&apic->send_IPI_mask = xen_send_IPI_mask;
++ *(void **)&apic->send_IPI_all = xen_send_IPI_all;
++ *(void **)&apic->send_IPI_self = xen_send_IPI_self;
+ #endif
+ }
+
+@@ -1221,30 +1219,30 @@ static const struct pv_apic_ops xen_apic_ops __initconst = {
+ #endif
+ };
+
+-static void xen_reboot(int reason)
++static __noreturn void xen_reboot(int reason)
+ {
+ struct sched_shutdown r = { .reason = reason };
+
+- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
+- BUG();
++ HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
++ BUG();
+ }
+
+-static void xen_restart(char *msg)
++static __noreturn void xen_restart(char *msg)
+ {
+ xen_reboot(SHUTDOWN_reboot);
+ }
+
+-static void xen_emergency_restart(void)
++static __noreturn void xen_emergency_restart(void)
+ {
+ xen_reboot(SHUTDOWN_reboot);
+ }
+
+-static void xen_machine_halt(void)
++static __noreturn void xen_machine_halt(void)
+ {
+ xen_reboot(SHUTDOWN_poweroff);
+ }
+
+-static void xen_machine_power_off(void)
++static __noreturn void xen_machine_power_off(void)
+ {
+ if (pm_power_off)
+ pm_power_off();
+@@ -1347,7 +1345,17 @@ asmlinkage void __init xen_start_kernel(void)
+ __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
+
+ /* Work out if we support NX */
+- x86_configure_nx();
++#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
++ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 &&
++ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) {
++ unsigned l, h;
++
++ __supported_pte_mask |= _PAGE_NX;
++ rdmsr(MSR_EFER, l, h);
++ l |= EFER_NX;
++ wrmsr(MSR_EFER, l, h);
++ }
++#endif
+
+ xen_setup_features();
+
+@@ -1378,13 +1386,6 @@ asmlinkage void __init xen_start_kernel(void)
+
+ machine_ops = xen_machine_ops;
+
+- /*
+- * The only reliable way to retain the initial address of the
+- * percpu gdt_page is to remember it here, so we can go and
+- * mark it RW later, when the initial percpu area is freed.
+- */
+- xen_initial_gdt = &per_cpu(gdt_page, 0);
+-
+ xen_smp_init();
+
+ #ifdef CONFIG_ACPI_NUMA
+diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
+index 5141d80..6c9fb41 100644
+--- a/arch/x86/xen/mmu.c
++++ b/arch/x86/xen/mmu.c
+@@ -1765,6 +1765,9 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
+ convert_pfn_mfn(init_level4_pgt);
+ convert_pfn_mfn(level3_ident_pgt);
+ convert_pfn_mfn(level3_kernel_pgt);
++ convert_pfn_mfn(level3_vmalloc_start_pgt);
++ convert_pfn_mfn(level3_vmalloc_end_pgt);
++ convert_pfn_mfn(level3_vmemmap_pgt);
+
+ l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd);
+ l2 = m2v(l3[pud_index(__START_KERNEL_map)].pud);
+@@ -1783,7 +1786,11 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
+ set_page_prot(init_level4_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO);
++ set_page_prot(level3_vmalloc_start_pgt, PAGE_KERNEL_RO);
++ set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO);
++ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO);
++ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO);
+
+@@ -1967,6 +1974,7 @@ static void __init xen_post_allocator_init(void)
+ pv_mmu_ops.set_pud = xen_set_pud;
+ #if PAGETABLE_LEVELS == 4
+ pv_mmu_ops.set_pgd = xen_set_pgd;
++ pv_mmu_ops.set_pgd_batched = xen_set_pgd;
+ #endif
+
+ /* This will work as long as patching hasn't happened yet
+@@ -2048,6 +2056,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = {
+ .pud_val = PV_CALLEE_SAVE(xen_pud_val),
+ .make_pud = PV_CALLEE_SAVE(xen_make_pud),
+ .set_pgd = xen_set_pgd_hyper,
++ .set_pgd_batched = xen_set_pgd_hyper,
+
+ .alloc_pud = xen_alloc_pmd_init,
+ .release_pud = xen_release_pmd_init,
+diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
+index f58dca7..ad21f52 100644
+--- a/arch/x86/xen/smp.c
++++ b/arch/x86/xen/smp.c
+@@ -229,11 +229,6 @@ static void __init xen_smp_prepare_boot_cpu(void)
+ {
+ BUG_ON(smp_processor_id() != 0);
+ native_smp_prepare_boot_cpu();
+-
+- /* We've switched to the "real" per-cpu gdt, so make sure the
+- old memory can be recycled */
+- make_lowmem_page_readwrite(xen_initial_gdt);
+-
+ xen_filter_cpu_maps();
+ xen_setup_vcpu_info_placement();
+ }
+@@ -300,12 +295,12 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
+ gdt = get_cpu_gdt_table(cpu);
+
+ ctxt->flags = VGCF_IN_KERNEL;
+- ctxt->user_regs.ds = __USER_DS;
+- ctxt->user_regs.es = __USER_DS;
++ ctxt->user_regs.ds = __KERNEL_DS;
++ ctxt->user_regs.es = __KERNEL_DS;
+ ctxt->user_regs.ss = __KERNEL_DS;
+ #ifdef CONFIG_X86_32
+ ctxt->user_regs.fs = __KERNEL_PERCPU;
+- ctxt->user_regs.gs = __KERNEL_STACK_CANARY;
++ savesegment(gs, ctxt->user_regs.gs);
+ #else
+ ctxt->gs_base_kernel = per_cpu_offset(cpu);
+ #endif
+@@ -355,13 +350,12 @@ static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle)
+ int rc;
+
+ per_cpu(current_task, cpu) = idle;
++ per_cpu(current_tinfo, cpu) = &idle->tinfo;
+ #ifdef CONFIG_X86_32
+ irq_ctx_init(cpu);
+ #else
+ clear_tsk_thread_flag(idle, TIF_FORK);
+- per_cpu(kernel_stack, cpu) =
+- (unsigned long)task_stack_page(idle) -
+- KERNEL_STACK_OFFSET + THREAD_SIZE;
++ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
+ #endif
+ xen_setup_runstate_info(cpu);
+ xen_setup_timer(cpu);
+diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
+index f9643fc..602e8af 100644
+--- a/arch/x86/xen/xen-asm_32.S
++++ b/arch/x86/xen/xen-asm_32.S
+@@ -84,14 +84,14 @@ ENTRY(xen_iret)
+ ESP_OFFSET=4 # bytes pushed onto stack
+
+ /*
+- * Store vcpu_info pointer for easy access. Do it this way to
+- * avoid having to reload %fs
++ * Store vcpu_info pointer for easy access.
+ */
+ #ifdef CONFIG_SMP
+- GET_THREAD_INFO(%eax)
+- movl TI_cpu(%eax), %eax
+- movl __per_cpu_offset(,%eax,4), %eax
+- mov xen_vcpu(%eax), %eax
++ push %fs
++ mov $(__KERNEL_PERCPU), %eax
++ mov %eax, %fs
++ mov PER_CPU_VAR(xen_vcpu), %eax
++ pop %fs
+ #else
+ movl xen_vcpu, %eax
+ #endif
+diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
+index aaa7291..3f77960 100644
+--- a/arch/x86/xen/xen-head.S
++++ b/arch/x86/xen/xen-head.S
+@@ -19,6 +19,17 @@ ENTRY(startup_xen)
+ #ifdef CONFIG_X86_32
+ mov %esi,xen_start_info
+ mov $init_thread_union+THREAD_SIZE,%esp
++#ifdef CONFIG_SMP
++ movl $cpu_gdt_table,%edi
++ movl $__per_cpu_load,%eax
++ movw %ax,__KERNEL_PERCPU + 2(%edi)
++ rorl $16,%eax
++ movb %al,__KERNEL_PERCPU + 4(%edi)
++ movb %ah,__KERNEL_PERCPU + 7(%edi)
++ movl $__per_cpu_end - 1,%eax
++ subl $__per_cpu_start,%eax
++ movw %ax,__KERNEL_PERCPU + 0(%edi)
++#endif
+ #else
+ mov %rsi,xen_start_info
+ mov $init_thread_union+THREAD_SIZE,%rsp
+diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
+index 202d4c1..99b072a 100644
+--- a/arch/x86/xen/xen-ops.h
++++ b/arch/x86/xen/xen-ops.h
+@@ -10,8 +10,6 @@
+ extern const char xen_hypervisor_callback[];
+ extern const char xen_failsafe_callback[];
+
+-extern void *xen_initial_gdt;
+-
+ struct trap_info;
+ void xen_copy_trap_info(struct trap_info *traps);
+
+diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h
+index 525bd3d..ef888b1 100644
+--- a/arch/xtensa/variants/dc232b/include/variant/core.h
++++ b/arch/xtensa/variants/dc232b/include/variant/core.h
+@@ -119,9 +119,9 @@
+ ----------------------------------------------------------------------*/
+
+ #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */
+-#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */
+ #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */
+ #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */
++#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
+
+ #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */
+ #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
+diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h
+index 2f33760..835e50a 100644
+--- a/arch/xtensa/variants/fsf/include/variant/core.h
++++ b/arch/xtensa/variants/fsf/include/variant/core.h
+@@ -11,6 +11,7 @@
+ #ifndef _XTENSA_CORE_H
+ #define _XTENSA_CORE_H
+
++#include <linux/const.h>
+
+ /****************************************************************************
+ Parameters Useful for Any Code, USER or PRIVILEGED
+@@ -112,9 +113,9 @@
+ ----------------------------------------------------------------------*/
+
+ #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
+-#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
+ #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
+ #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
++#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
+
+ #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */
+ #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */
+diff --git a/arch/xtensa/variants/s6000/include/variant/core.h b/arch/xtensa/variants/s6000/include/variant/core.h
+index af00795..2bb8105 100644
+--- a/arch/xtensa/variants/s6000/include/variant/core.h
++++ b/arch/xtensa/variants/s6000/include/variant/core.h
+@@ -11,6 +11,7 @@
+ #ifndef _XTENSA_CORE_CONFIGURATION_H
+ #define _XTENSA_CORE_CONFIGURATION_H
+
++#include <linux/const.h>
+
+ /****************************************************************************
+ Parameters Useful for Any Code, USER or PRIVILEGED
+@@ -118,9 +119,9 @@
+ ----------------------------------------------------------------------*/
+
+ #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
+-#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
+ #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
+ #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
++#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
+
+ #define XCHAL_ICACHE_SIZE 32768 /* I-cache size in bytes or 0 */
+ #define XCHAL_DCACHE_SIZE 32768 /* D-cache size in bytes or 0 */
+diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c
+index 58916af..9cb880b 100644
+--- a/block/blk-iopoll.c
++++ b/block/blk-iopoll.c
+@@ -77,7 +77,7 @@ void blk_iopoll_complete(struct blk_iopoll *iopoll)
+ }
+ EXPORT_SYMBOL(blk_iopoll_complete);
+
+-static void blk_iopoll_softirq(struct softirq_action *h)
++static void blk_iopoll_softirq(void)
+ {
+ struct list_head *list = &__get_cpu_var(blk_cpu_iopoll);
+ int rearm = 0, budget = blk_iopoll_budget;
+diff --git a/block/blk-map.c b/block/blk-map.c
+index 623e1cd..ca1e109 100644
+--- a/block/blk-map.c
++++ b/block/blk-map.c
+@@ -302,7 +302,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
+ if (!len || !kbuf)
+ return -EINVAL;
+
+- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);
++ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf);
+ if (do_copy)
+ bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);
+ else
+diff --git a/block/blk-softirq.c b/block/blk-softirq.c
+index 467c8de..4bddc6d 100644
+--- a/block/blk-softirq.c
++++ b/block/blk-softirq.c
+@@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
+ * Softirq action handler - move entries to local list and loop over them
+ * while passing them to the queue registered handler.
+ */
+-static void blk_done_softirq(struct softirq_action *h)
++static void blk_done_softirq(void)
+ {
+ struct list_head *cpu_list, local_list;
+
+diff --git a/block/bsg.c b/block/bsg.c
+index ff64ae3..593560c 100644
+--- a/block/bsg.c
++++ b/block/bsg.c
+@@ -176,16 +176,24 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
+ struct sg_io_v4 *hdr, struct bsg_device *bd,
+ fmode_t has_write_perm)
+ {
++ unsigned char tmpcmd[sizeof(rq->__cmd)];
++ unsigned char *cmdptr;
++
+ if (hdr->request_len > BLK_MAX_CDB) {
+ rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL);
+ if (!rq->cmd)
+ return -ENOMEM;
+- }
++ cmdptr = rq->cmd;
++ } else
++ cmdptr = tmpcmd;
+
+- if (copy_from_user(rq->cmd, (void __user *)(unsigned long)hdr->request,
++ if (copy_from_user(cmdptr, (void __user *)(unsigned long)hdr->request,
+ hdr->request_len))
+ return -EFAULT;
+
++ if (cmdptr != rq->cmd)
++ memcpy(rq->cmd, cmdptr, hdr->request_len);
++
+ if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) {
+ if (blk_verify_command(rq->cmd, has_write_perm))
+ return -EPERM;
+diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
+index 7c668c8..db3521c 100644
+--- a/block/compat_ioctl.c
++++ b/block/compat_ioctl.c
+@@ -340,7 +340,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode,
+ err |= __get_user(f->spec1, &uf->spec1);
+ err |= __get_user(f->fmt_gap, &uf->fmt_gap);
+ err |= __get_user(name, &uf->name);
+- f->name = compat_ptr(name);
++ f->name = (void __force_kernel *)compat_ptr(name);
+ if (err) {
+ err = -EFAULT;
+ goto out;
+diff --git a/block/partitions/efi.c b/block/partitions/efi.c
+index 6296b40..417c00f 100644
+--- a/block/partitions/efi.c
++++ b/block/partitions/efi.c
+@@ -234,14 +234,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,
+ if (!gpt)
+ return NULL;
+
++ if (!le32_to_cpu(gpt->num_partition_entries))
++ return NULL;
++ pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL);
++ if (!pte)
++ return NULL;
++
+ count = le32_to_cpu(gpt->num_partition_entries) *
+ le32_to_cpu(gpt->sizeof_partition_entry);
+- if (!count)
+- return NULL;
+- pte = kzalloc(count, GFP_KERNEL);
+- if (!pte)
+- return NULL;
+-
+ if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba),
+ (u8 *) pte,
+ count) < count) {
+diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
+index 9a87daa..fb17486 100644
+--- a/block/scsi_ioctl.c
++++ b/block/scsi_ioctl.c
+@@ -223,8 +223,20 @@ EXPORT_SYMBOL(blk_verify_command);
+ static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
+ struct sg_io_hdr *hdr, fmode_t mode)
+ {
+- if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
++ unsigned char tmpcmd[sizeof(rq->__cmd)];
++ unsigned char *cmdptr;
++
++ if (rq->cmd != rq->__cmd)
++ cmdptr = rq->cmd;
++ else
++ cmdptr = tmpcmd;
++
++ if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len))
+ return -EFAULT;
++
++ if (cmdptr != rq->cmd)
++ memcpy(rq->cmd, cmdptr, hdr->cmd_len);
++
+ if (blk_verify_command(rq->cmd, mode & FMODE_WRITE))
+ return -EPERM;
+
+@@ -433,6 +445,8 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+ int err;
+ unsigned int in_len, out_len, bytes, opcode, cmdlen;
+ char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
++ unsigned char tmpcmd[sizeof(rq->__cmd)];
++ unsigned char *cmdptr;
+
+ if (!sic)
+ return -EINVAL;
+@@ -466,9 +480,18 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+ */
+ err = -EFAULT;
+ rq->cmd_len = cmdlen;
+- if (copy_from_user(rq->cmd, sic->data, cmdlen))
++
++ if (rq->cmd != rq->__cmd)
++ cmdptr = rq->cmd;
++ else
++ cmdptr = tmpcmd;
++
++ if (copy_from_user(cmdptr, sic->data, cmdlen))
+ goto error;
+
++ if (rq->cmd != cmdptr)
++ memcpy(rq->cmd, cmdptr, cmdlen);
++
+ if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
+ goto error;
+
+diff --git a/crypto/cryptd.c b/crypto/cryptd.c
+index 671d4d6..5f24030 100644
+--- a/crypto/cryptd.c
++++ b/crypto/cryptd.c
+@@ -63,7 +63,7 @@ struct cryptd_blkcipher_ctx {
+
+ struct cryptd_blkcipher_request_ctx {
+ crypto_completion_t complete;
+-};
++} __no_const;
+
+ struct cryptd_hash_ctx {
+ struct crypto_shash *child;
+@@ -80,7 +80,7 @@ struct cryptd_aead_ctx {
+
+ struct cryptd_aead_request_ctx {
+ crypto_completion_t complete;
+-};
++} __no_const;
+
+ static void cryptd_queue_worker(struct work_struct *work);
+
+diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
+index e6defd8..c26a225 100644
+--- a/drivers/acpi/apei/cper.c
++++ b/drivers/acpi/apei/cper.c
+@@ -38,12 +38,12 @@
+ */
+ u64 cper_next_record_id(void)
+ {
+- static atomic64_t seq;
++ static atomic64_unchecked_t seq;
+
+- if (!atomic64_read(&seq))
+- atomic64_set(&seq, ((u64)get_seconds()) << 32);
++ if (!atomic64_read_unchecked(&seq))
++ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32);
+
+- return atomic64_inc_return(&seq);
++ return atomic64_inc_return_unchecked(&seq);
+ }
+ EXPORT_SYMBOL_GPL(cper_next_record_id);
+
+diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
+index 7586544..636a2f0 100644
+--- a/drivers/acpi/ec_sys.c
++++ b/drivers/acpi/ec_sys.c
+@@ -12,6 +12,7 @@
+ #include <linux/acpi.h>
+ #include <linux/debugfs.h>
+ #include <linux/module.h>
++#include <linux/uaccess.h>
+ #include "internal.h"
+
+ MODULE_AUTHOR("Thomas Renninger <trenn(a)suse.de>");
+@@ -34,7 +35,7 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
+ * struct acpi_ec *ec = ((struct seq_file *)f->private_data)->private;
+ */
+ unsigned int size = EC_SPACE_SIZE;
+- u8 *data = (u8 *) buf;
++ u8 data;
+ loff_t init_off = *off;
+ int err = 0;
+
+@@ -47,9 +48,11 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
+ size = count;
+
+ while (size) {
+- err = ec_read(*off, &data[*off - init_off]);
++ err = ec_read(*off, &data);
+ if (err)
+ return err;
++ if (put_user(data, &buf[*off - init_off]))
++ return -EFAULT;
+ *off += 1;
+ size--;
+ }
+@@ -65,7 +68,6 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
+
+ unsigned int size = count;
+ loff_t init_off = *off;
+- u8 *data = (u8 *) buf;
+ int err = 0;
+
+ if (*off >= EC_SPACE_SIZE)
+@@ -76,7 +78,9 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
+ }
+
+ while (size) {
+- u8 byte_write = data[*off - init_off];
++ u8 byte_write;
++ if (get_user(byte_write, &buf[*off - init_off]))
++ return -EFAULT;
+ err = ec_write(*off, byte_write);
+ if (err)
+ return err;
+diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
+index 251c7b62..000462d 100644
+--- a/drivers/acpi/proc.c
++++ b/drivers/acpi/proc.c
+@@ -343,19 +343,13 @@ acpi_system_write_wakeup_device(struct file *file,
+ size_t count, loff_t * ppos)
+ {
+ struct list_head *node, *next;
+- char strbuf[5];
+- char str[5] = "";
+- unsigned int len = count;
++ char strbuf[5] = {0};
+
+- if (len > 4)
+- len = 4;
+- if (len < 0)
++ if (count > 4)
++ count = 4;
++ if (copy_from_user(strbuf, buffer, count))
+ return -EFAULT;
+-
+- if (copy_from_user(strbuf, buffer, len))
+- return -EFAULT;
+- strbuf[len] = '\0';
+- sscanf(strbuf, "%s", str);
++ strbuf[count] = '\0';
+
+ mutex_lock(&acpi_device_lock);
+ list_for_each_safe(node, next, &acpi_wakeup_device_list) {
+@@ -364,7 +358,7 @@ acpi_system_write_wakeup_device(struct file *file,
+ if (!dev->wakeup.flags.valid)
+ continue;
+
+- if (!strncmp(dev->pnp.bus_id, str, 4)) {
++ if (!strncmp(dev->pnp.bus_id, strbuf, 4)) {
+ if (device_can_wakeup(&dev->dev)) {
+ bool enable = !device_may_wakeup(&dev->dev);
+ device_set_wakeup_enable(&dev->dev, enable);
+diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
+index bfc31cb..8213ce1 100644
+--- a/drivers/acpi/processor_driver.c
++++ b/drivers/acpi/processor_driver.c
+@@ -551,7 +551,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
+ return 0;
+ #endif
+
+- BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
++ BUG_ON(pr->id >= nr_cpu_ids);
+
+ /*
+ * Buggy BIOS check
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
+index 8e1039c..ea9cbd4 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -4750,7 +4750,7 @@ void ata_qc_free(struct ata_queued_cmd *qc)
+ struct ata_port *ap;
+ unsigned int tag;
+
+- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
++ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
+ ap = qc->ap;
+
+ qc->flags = 0;
+@@ -4766,7 +4766,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc)
+ struct ata_port *ap;
+ struct ata_link *link;
+
+- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
++ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
+ WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE));
+ ap = qc->ap;
+ link = qc->dev->link;
+@@ -5828,6 +5828,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
+ return;
+
+ spin_lock(&lock);
++ pax_open_kernel();
+
+ for (cur = ops->inherits; cur; cur = cur->inherits) {
+ void **inherit = (void **)cur;
+@@ -5841,8 +5842,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
+ if (IS_ERR(*pp))
+ *pp = NULL;
+
+- ops->inherits = NULL;
++ *(struct ata_port_operations **)&ops->inherits = NULL;
+
++ pax_close_kernel();
+ spin_unlock(&lock);
+ }
+
+diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
+index bfaa5cb..3ba1cc3 100644
+--- a/drivers/ata/pata_arasan_cf.c
++++ b/drivers/ata/pata_arasan_cf.c
+@@ -854,7 +854,9 @@ static int __devinit arasan_cf_probe(struct platform_device *pdev)
+ /* Handle platform specific quirks */
+ if (pdata->quirk) {
+ if (pdata->quirk & CF_BROKEN_PIO) {
+- ap->ops->set_piomode = NULL;
++ pax_open_kernel();
++ *(void **)&ap->ops->set_piomode = NULL;
++ pax_close_kernel();
+ ap->pio_mask = 0;
+ }
+ if (pdata->quirk & CF_BROKEN_MWDMA)
+diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
+index f9b983a..887b9d8 100644
+--- a/drivers/atm/adummy.c
++++ b/drivers/atm/adummy.c
+@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ vcc->pop(vcc, skb);
+ else
+ dev_kfree_skb_any(skb);
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+
+ return 0;
+ }
+diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
+index 89b30f3..7964211 100644
+--- a/drivers/atm/ambassador.c
++++ b/drivers/atm/ambassador.c
+@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) {
+ PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx);
+
+ // VC layer stats
+- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
++ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
+
+ // free the descriptor
+ kfree (tx_descr);
+@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
+ dump_skb ("<<<", vc, skb);
+
+ // VC layer stats
+- atomic_inc(&atm_vcc->stats->rx);
++ atomic_inc_unchecked(&atm_vcc->stats->rx);
+ __net_timestamp(skb);
+ // end of our responsibility
+ atm_vcc->push (atm_vcc, skb);
+@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
+ } else {
+ PRINTK (KERN_INFO, "dropped over-size frame");
+ // should we count this?
+- atomic_inc(&atm_vcc->stats->rx_drop);
++ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
+ }
+
+ } else {
+@@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) {
+ }
+
+ if (check_area (skb->data, skb->len)) {
+- atomic_inc(&atm_vcc->stats->tx_err);
++ atomic_inc_unchecked(&atm_vcc->stats->tx_err);
+ return -ENOMEM; // ?
+ }
+
+diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
+index b22d71c..d6e1049 100644
+--- a/drivers/atm/atmtcp.c
++++ b/drivers/atm/atmtcp.c
+@@ -207,7 +207,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
+ if (vcc->pop) vcc->pop(vcc,skb);
+ else dev_kfree_skb(skb);
+ if (dev_data) return 0;
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ return -ENOLINK;
+ }
+ size = skb->len+sizeof(struct atmtcp_hdr);
+@@ -215,7 +215,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
+ if (!new_skb) {
+ if (vcc->pop) vcc->pop(vcc,skb);
+ else dev_kfree_skb(skb);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ return -ENOBUFS;
+ }
+ hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr));
+@@ -226,8 +226,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
+ if (vcc->pop) vcc->pop(vcc,skb);
+ else dev_kfree_skb(skb);
+ out_vcc->push(out_vcc,new_skb);
+- atomic_inc(&vcc->stats->tx);
+- atomic_inc(&out_vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->tx);
++ atomic_inc_unchecked(&out_vcc->stats->rx);
+ return 0;
+ }
+
+@@ -301,7 +301,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
+ out_vcc = find_vcc(dev, ntohs(hdr->vpi), ntohs(hdr->vci));
+ read_unlock(&vcc_sklist_lock);
+ if (!out_vcc) {
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ goto done;
+ }
+ skb_pull(skb,sizeof(struct atmtcp_hdr));
+@@ -313,8 +313,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
+ __net_timestamp(new_skb);
+ skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
+ out_vcc->push(out_vcc,new_skb);
+- atomic_inc(&vcc->stats->tx);
+- atomic_inc(&out_vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->tx);
++ atomic_inc_unchecked(&out_vcc->stats->rx);
+ done:
+ if (vcc->pop) vcc->pop(vcc,skb);
+ else dev_kfree_skb(skb);
+diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
+index 2059ee4..faf51c7 100644
+--- a/drivers/atm/eni.c
++++ b/drivers/atm/eni.c
+@@ -522,7 +522,7 @@ static int rx_aal0(struct atm_vcc *vcc)
+ DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n",
+ vcc->dev->number);
+ length = 0;
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ }
+ else {
+ length = ATM_CELL_SIZE-1; /* no HEC */
+@@ -577,7 +577,7 @@ static int rx_aal5(struct atm_vcc *vcc)
+ size);
+ }
+ eff = length = 0;
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ }
+ else {
+ size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2);
+@@ -594,7 +594,7 @@ static int rx_aal5(struct atm_vcc *vcc)
+ "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n",
+ vcc->dev->number,vcc->vci,length,size << 2,descr);
+ length = eff = 0;
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ }
+ }
+ skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL;
+@@ -767,7 +767,7 @@ rx_dequeued++;
+ vcc->push(vcc,skb);
+ pushed++;
+ }
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+ wake_up(&eni_dev->rx_wait);
+ }
+@@ -1227,7 +1227,7 @@ static void dequeue_tx(struct atm_dev *dev)
+ PCI_DMA_TODEVICE);
+ if (vcc->pop) vcc->pop(vcc,skb);
+ else dev_kfree_skb_irq(skb);
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ wake_up(&eni_dev->tx_wait);
+ dma_complete++;
+ }
+@@ -1567,7 +1567,7 @@ tx_complete++;
+ /*--------------------------------- entries ---------------------------------*/
+
+
+-static const char *media_name[] __devinitdata = {
++static const char *media_name[] __devinitconst = {
+ "MMF", "SMF", "MMF", "03?", /* 0- 3 */
+ "UTP", "05?", "06?", "07?", /* 4- 7 */
+ "TAXI","09?", "10?", "11?", /* 8-11 */
+diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
+index 86fed1b..6dc4721 100644
+--- a/drivers/atm/firestream.c
++++ b/drivers/atm/firestream.c
+@@ -749,7 +749,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q)
+ }
+ }
+
+- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
++ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
+
+ fs_dprintk (FS_DEBUG_TXMEM, "i");
+ fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb);
+@@ -816,7 +816,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
+ #endif
+ skb_put (skb, qe->p1 & 0xffff);
+ ATM_SKB(skb)->vcc = atm_vcc;
+- atomic_inc(&atm_vcc->stats->rx);
++ atomic_inc_unchecked(&atm_vcc->stats->rx);
+ __net_timestamp(skb);
+ fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb);
+ atm_vcc->push (atm_vcc, skb);
+@@ -837,12 +837,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
+ kfree (pe);
+ }
+ if (atm_vcc)
+- atomic_inc(&atm_vcc->stats->rx_drop);
++ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
+ break;
+ case 0x1f: /* Reassembly abort: no buffers. */
+ /* Silently increment error counter. */
+ if (atm_vcc)
+- atomic_inc(&atm_vcc->stats->rx_drop);
++ atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
+ break;
+ default: /* Hmm. Haven't written the code to handle the others yet... -- REW */
+ printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n",
+diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
+index 361f5ae..7fc552d 100644
+--- a/drivers/atm/fore200e.c
++++ b/drivers/atm/fore200e.c
+@@ -933,9 +933,9 @@ fore200e_tx_irq(struct fore200e* fore200e)
+ #endif
+ /* check error condition */
+ if (*entry->status & STATUS_ERROR)
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ else
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ }
+ }
+
+@@ -1084,7 +1084,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
+ if (skb == NULL) {
+ DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len);
+
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ return -ENOMEM;
+ }
+
+@@ -1127,14 +1127,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
+
+ dev_kfree_skb_any(skb);
+
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ return -ENOMEM;
+ }
+
+ ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
+
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
+
+@@ -1212,7 +1212,7 @@ fore200e_rx_irq(struct fore200e* fore200e)
+ DPRINTK(2, "damaged PDU on %d.%d.%d\n",
+ fore200e->atm_dev->number,
+ entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ }
+ }
+
+@@ -1657,7 +1657,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ goto retry_here;
+ }
+
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+
+ fore200e->tx_sat++;
+ DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n",
+diff --git a/drivers/atm/he.c b/drivers/atm/he.c
+index b182c2f..1c6fa8a 100644
+--- a/drivers/atm/he.c
++++ b/drivers/atm/he.c
+@@ -1709,7 +1709,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
+
+ if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) {
+ hprintk("HBUF_ERR! (cid 0x%x)\n", cid);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ goto return_host_buffers;
+ }
+
+@@ -1736,7 +1736,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
+ RBRQ_LEN_ERR(he_dev->rbrq_head)
+ ? "LEN_ERR" : "",
+ vcc->vpi, vcc->vci);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto return_host_buffers;
+ }
+
+@@ -1788,7 +1788,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
+ vcc->push(vcc, skb);
+ spin_lock(&he_dev->global_lock);
+
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ return_host_buffers:
+ ++pdus_assembled;
+@@ -2114,7 +2114,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid)
+ tpd->vcc->pop(tpd->vcc, tpd->skb);
+ else
+ dev_kfree_skb_any(tpd->skb);
+- atomic_inc(&tpd->vcc->stats->tx_err);
++ atomic_inc_unchecked(&tpd->vcc->stats->tx_err);
+ }
+ pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
+ return;
+@@ -2526,7 +2526,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ vcc->pop(vcc, skb);
+ else
+ dev_kfree_skb_any(skb);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ return -EINVAL;
+ }
+
+@@ -2537,7 +2537,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ vcc->pop(vcc, skb);
+ else
+ dev_kfree_skb_any(skb);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ return -EINVAL;
+ }
+ #endif
+@@ -2549,7 +2549,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ vcc->pop(vcc, skb);
+ else
+ dev_kfree_skb_any(skb);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ spin_unlock_irqrestore(&he_dev->global_lock, flags);
+ return -ENOMEM;
+ }
+@@ -2591,7 +2591,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ vcc->pop(vcc, skb);
+ else
+ dev_kfree_skb_any(skb);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ spin_unlock_irqrestore(&he_dev->global_lock, flags);
+ return -ENOMEM;
+ }
+@@ -2622,7 +2622,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ __enqueue_tpd(he_dev, tpd, cid);
+ spin_unlock_irqrestore(&he_dev->global_lock, flags);
+
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+
+ return 0;
+ }
+diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
+index 7d01c2a..4e3ac01 100644
+--- a/drivers/atm/horizon.c
++++ b/drivers/atm/horizon.c
+@@ -1034,7 +1034,7 @@ static void rx_schedule (hrz_dev * dev, int irq) {
+ {
+ struct atm_vcc * vcc = ATM_SKB(skb)->vcc;
+ // VC layer stats
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ __net_timestamp(skb);
+ // end of our responsibility
+ vcc->push (vcc, skb);
+@@ -1186,7 +1186,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) {
+ dev->tx_iovec = NULL;
+
+ // VC layer stats
+- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
++ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
+
+ // free the skb
+ hrz_kfree_skb (skb);
+diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
+index 8974bd2..b856f85 100644
+--- a/drivers/atm/idt77252.c
++++ b/drivers/atm/idt77252.c
+@@ -812,7 +812,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc)
+ else
+ dev_kfree_skb(skb);
+
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ }
+
+ atomic_dec(&scq->used);
+@@ -1075,13 +1075,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ if ((sb = dev_alloc_skb(64)) == NULL) {
+ printk("%s: Can't allocate buffers for aal0.\n",
+ card->name);
+- atomic_add(i, &vcc->stats->rx_drop);
++ atomic_add_unchecked(i, &vcc->stats->rx_drop);
+ break;
+ }
+ if (!atm_charge(vcc, sb->truesize)) {
+ RXPRINTK("%s: atm_charge() dropped aal0 packets.\n",
+ card->name);
+- atomic_add(i - 1, &vcc->stats->rx_drop);
++ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop);
+ dev_kfree_skb(sb);
+ break;
+ }
+@@ -1098,7 +1098,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ ATM_SKB(sb)->vcc = vcc;
+ __net_timestamp(sb);
+ vcc->push(vcc, sb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ cell += ATM_CELL_PAYLOAD;
+ }
+@@ -1135,13 +1135,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ "(CDC: %08x)\n",
+ card->name, len, rpp->len, readl(SAR_REG_CDC));
+ recycle_rx_pool_skb(card, rpp);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ return;
+ }
+ if (stat & SAR_RSQE_CRC) {
+ RXPRINTK("%s: AAL5 CRC error.\n", card->name);
+ recycle_rx_pool_skb(card, rpp);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ return;
+ }
+ if (skb_queue_len(&rpp->queue) > 1) {
+@@ -1152,7 +1152,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ RXPRINTK("%s: Can't alloc RX skb.\n",
+ card->name);
+ recycle_rx_pool_skb(card, rpp);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ return;
+ }
+ if (!atm_charge(vcc, skb->truesize)) {
+@@ -1171,7 +1171,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ __net_timestamp(skb);
+
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ return;
+ }
+@@ -1193,7 +1193,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
+ __net_timestamp(skb);
+
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ if (skb->truesize > SAR_FB_SIZE_3)
+ add_rx_skb(card, 3, SAR_FB_SIZE_3, 1);
+@@ -1304,14 +1304,14 @@ idt77252_rx_raw(struct idt77252_dev *card)
+ if (vcc->qos.aal != ATM_AAL0) {
+ RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n",
+ card->name, vpi, vci);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ goto drop;
+ }
+
+ if ((sb = dev_alloc_skb(64)) == NULL) {
+ printk("%s: Can't allocate buffers for AAL0.\n",
+ card->name);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto drop;
+ }
+
+@@ -1330,7 +1330,7 @@ idt77252_rx_raw(struct idt77252_dev *card)
+ ATM_SKB(sb)->vcc = vcc;
+ __net_timestamp(sb);
+ vcc->push(vcc, sb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+
+ drop:
+ skb_pull(queue, 64);
+@@ -1955,13 +1955,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
+
+ if (vc == NULL) {
+ printk("%s: NULL connection in send().\n", card->name);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+ if (!test_bit(VCF_TX, &vc->flags)) {
+ printk("%s: Trying to transmit on a non-tx VC.\n", card->name);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+@@ -1973,14 +1973,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
+ break;
+ default:
+ printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+
+ if (skb_shinfo(skb)->nr_frags != 0) {
+ printk("%s: No scatter-gather yet.\n", card->name);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+@@ -1988,7 +1988,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
+
+ err = queue_skb(card, vc, skb, oam);
+ if (err) {
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb(skb);
+ return err;
+ }
+@@ -2011,7 +2011,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags)
+ skb = dev_alloc_skb(64);
+ if (!skb) {
+ printk("%s: Out of memory in send_oam().\n", card->name);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ return -ENOMEM;
+ }
+ atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
+diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
+index 96cce6d..62c3ec5 100644
+--- a/drivers/atm/iphase.c
++++ b/drivers/atm/iphase.c
+@@ -1145,7 +1145,7 @@ static int rx_pkt(struct atm_dev *dev)
+ status = (u_short) (buf_desc_ptr->desc_mode);
+ if (status & (RX_CER | RX_PTE | RX_OFL))
+ {
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ IF_ERR(printk("IA: bad packet, dropping it");)
+ if (status & RX_CER) {
+ IF_ERR(printk(" cause: packet CRC error\n");)
+@@ -1168,7 +1168,7 @@ static int rx_pkt(struct atm_dev *dev)
+ len = dma_addr - buf_addr;
+ if (len > iadev->rx_buf_sz) {
+ printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto out_free_desc;
+ }
+
+@@ -1318,7 +1318,7 @@ static void rx_dle_intr(struct atm_dev *dev)
+ ia_vcc = INPH_IA_VCC(vcc);
+ if (ia_vcc == NULL)
+ {
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ atm_return(vcc, skb->truesize);
+ dev_kfree_skb_any(skb);
+ goto INCR_DLE;
+@@ -1330,7 +1330,7 @@ static void rx_dle_intr(struct atm_dev *dev)
+ if ((length > iadev->rx_buf_sz) || (length >
+ (skb->len - sizeof(struct cpcs_trailer))))
+ {
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)",
+ length, skb->len);)
+ atm_return(vcc, skb->truesize);
+@@ -1346,7 +1346,7 @@ static void rx_dle_intr(struct atm_dev *dev)
+
+ IF_RX(printk("rx_dle_intr: skb push");)
+ vcc->push(vcc,skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ iadev->rx_pkt_cnt++;
+ }
+ INCR_DLE:
+@@ -2826,15 +2826,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
+ {
+ struct k_sonet_stats *stats;
+ stats = &PRIV(_ia_dev[board])->sonet_stats;
+- printk("section_bip: %d\n", atomic_read(&stats->section_bip));
+- printk("line_bip : %d\n", atomic_read(&stats->line_bip));
+- printk("path_bip : %d\n", atomic_read(&stats->path_bip));
+- printk("line_febe : %d\n", atomic_read(&stats->line_febe));
+- printk("path_febe : %d\n", atomic_read(&stats->path_febe));
+- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs));
+- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs));
+- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells));
+- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells));
++ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip));
++ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip));
++ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip));
++ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe));
++ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe));
++ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs));
++ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs));
++ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells));
++ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells));
+ }
+ ia_cmds.status = 0;
+ break;
+@@ -2939,7 +2939,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
+ if ((desc == 0) || (desc > iadev->num_tx_desc))
+ {
+ IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);)
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ if (vcc->pop)
+ vcc->pop(vcc, skb);
+ else
+@@ -3044,14 +3044,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
+ ATM_DESC(skb) = vcc->vci;
+ skb_queue_tail(&iadev->tx_dma_q, skb);
+
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ iadev->tx_pkt_cnt++;
+ /* Increment transaction counter */
+ writel(2, iadev->dma+IPHASE5575_TX_COUNTER);
+
+ #if 0
+ /* add flow control logic */
+- if (atomic_read(&vcc->stats->tx) % 20 == 0) {
++ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) {
+ if (iavcc->vc_desc_cnt > 10) {
+ vcc->tx_quota = vcc->tx_quota * 3 / 4;
+ printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota );
+diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
+index 68c7588..7036683 100644
+--- a/drivers/atm/lanai.c
++++ b/drivers/atm/lanai.c
+@@ -1303,7 +1303,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai,
+ vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0);
+ lanai_endtx(lanai, lvcc);
+ lanai_free_skb(lvcc->tx.atmvcc, skb);
+- atomic_inc(&lvcc->tx.atmvcc->stats->tx);
++ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx);
+ }
+
+ /* Try to fill the buffer - don't call unless there is backlog */
+@@ -1426,7 +1426,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr)
+ ATM_SKB(skb)->vcc = lvcc->rx.atmvcc;
+ __net_timestamp(skb);
+ lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb);
+- atomic_inc(&lvcc->rx.atmvcc->stats->rx);
++ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx);
+ out:
+ lvcc->rx.buf.ptr = end;
+ cardvcc_write(lvcc, endptr, vcc_rxreadptr);
+@@ -1667,7 +1667,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
+ DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 "
+ "vcc %d\n", lanai->number, (unsigned int) s, vci);
+ lanai->stats.service_rxnotaal5++;
+- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
++ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
+ return 0;
+ }
+ if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) {
+@@ -1679,7 +1679,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
+ int bytes;
+ read_unlock(&vcc_sklist_lock);
+ DPRINTK("got trashed rx pdu on vci %d\n", vci);
+- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
++ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
+ lvcc->stats.x.aal5.service_trash++;
+ bytes = (SERVICE_GET_END(s) * 16) -
+ (((unsigned long) lvcc->rx.buf.ptr) -
+@@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
+ }
+ if (s & SERVICE_STREAM) {
+ read_unlock(&vcc_sklist_lock);
+- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
++ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
+ lvcc->stats.x.aal5.service_stream++;
+ printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream "
+ "PDU on VCI %d!\n", lanai->number, vci);
+@@ -1699,7 +1699,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
+ return 0;
+ }
+ DPRINTK("got rx crc error on vci %d\n", vci);
+- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
++ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
+ lvcc->stats.x.aal5.service_rxcrc++;
+ lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4];
+ cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr);
+diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
+index 1c70c45..300718d 100644
+--- a/drivers/atm/nicstar.c
++++ b/drivers/atm/nicstar.c
+@@ -1654,7 +1654,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ if ((vc = (vc_map *) vcc->dev_data) == NULL) {
+ printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n",
+ card->index);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb_any(skb);
+ return -EINVAL;
+ }
+@@ -1662,7 +1662,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ if (!vc->tx) {
+ printk("nicstar%d: Trying to transmit on a non-tx VC.\n",
+ card->index);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb_any(skb);
+ return -EINVAL;
+ }
+@@ -1670,14 +1670,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) {
+ printk("nicstar%d: Only AAL0 and AAL5 are supported.\n",
+ card->index);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb_any(skb);
+ return -EINVAL;
+ }
+
+ if (skb_shinfo(skb)->nr_frags != 0) {
+ printk("nicstar%d: No scatter-gather yet.\n", card->index);
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb_any(skb);
+ return -EINVAL;
+ }
+@@ -1725,11 +1725,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+ }
+
+ if (push_scqe(card, vc, scq, &scqe, skb) != 0) {
+- atomic_inc(&vcc->stats->tx_err);
++ atomic_inc_unchecked(&vcc->stats->tx_err);
+ dev_kfree_skb_any(skb);
+ return -EIO;
+ }
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+
+ return 0;
+ }
+@@ -2046,14 +2046,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ printk
+ ("nicstar%d: Can't allocate buffers for aal0.\n",
+ card->index);
+- atomic_add(i, &vcc->stats->rx_drop);
++ atomic_add_unchecked(i, &vcc->stats->rx_drop);
+ break;
+ }
+ if (!atm_charge(vcc, sb->truesize)) {
+ RXPRINTK
+ ("nicstar%d: atm_charge() dropped aal0 packets.\n",
+ card->index);
+- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
++ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
+ dev_kfree_skb_any(sb);
+ break;
+ }
+@@ -2068,7 +2068,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ATM_SKB(sb)->vcc = vcc;
+ __net_timestamp(sb);
+ vcc->push(vcc, sb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ cell += ATM_CELL_PAYLOAD;
+ }
+
+@@ -2085,7 +2085,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ if (iovb == NULL) {
+ printk("nicstar%d: Out of iovec buffers.\n",
+ card->index);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ recycle_rx_buf(card, skb);
+ return;
+ }
+@@ -2109,7 +2109,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ small or large buffer itself. */
+ } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) {
+ printk("nicstar%d: received too big AAL5 SDU.\n", card->index);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
+ NS_MAX_IOVECS);
+ NS_PRV_IOVCNT(iovb) = 0;
+@@ -2129,7 +2129,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ("nicstar%d: Expected a small buffer, and this is not one.\n",
+ card->index);
+ which_list(card, skb);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ recycle_rx_buf(card, skb);
+ vc->rx_iov = NULL;
+ recycle_iov_buf(card, iovb);
+@@ -2142,7 +2142,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ("nicstar%d: Expected a large buffer, and this is not one.\n",
+ card->index);
+ which_list(card, skb);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
+ NS_PRV_IOVCNT(iovb));
+ vc->rx_iov = NULL;
+@@ -2165,7 +2165,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ printk(" - PDU size mismatch.\n");
+ else
+ printk(".\n");
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
+ NS_PRV_IOVCNT(iovb));
+ vc->rx_iov = NULL;
+@@ -2179,7 +2179,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ /* skb points to a small buffer */
+ if (!atm_charge(vcc, skb->truesize)) {
+ push_rxbufs(card, skb);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ } else {
+ skb_put(skb, len);
+ dequeue_sm_buf(card, skb);
+@@ -2189,7 +2189,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ATM_SKB(skb)->vcc = vcc;
+ __net_timestamp(skb);
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+ } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */
+ struct sk_buff *sb;
+@@ -2200,7 +2200,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ if (len <= NS_SMBUFSIZE) {
+ if (!atm_charge(vcc, sb->truesize)) {
+ push_rxbufs(card, sb);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ } else {
+ skb_put(sb, len);
+ dequeue_sm_buf(card, sb);
+@@ -2210,7 +2210,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ATM_SKB(sb)->vcc = vcc;
+ __net_timestamp(sb);
+ vcc->push(vcc, sb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+
+ push_rxbufs(card, skb);
+@@ -2219,7 +2219,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+
+ if (!atm_charge(vcc, skb->truesize)) {
+ push_rxbufs(card, skb);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ } else {
+ dequeue_lg_buf(card, skb);
+ #ifdef NS_USE_DESTRUCTORS
+@@ -2232,7 +2232,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ ATM_SKB(skb)->vcc = vcc;
+ __net_timestamp(skb);
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+
+ push_rxbufs(card, sb);
+@@ -2253,7 +2253,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ printk
+ ("nicstar%d: Out of huge buffers.\n",
+ card->index);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ recycle_iovec_rx_bufs(card,
+ (struct iovec *)
+ iovb->data,
+@@ -2304,7 +2304,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ card->hbpool.count++;
+ } else
+ dev_kfree_skb_any(hb);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ } else {
+ /* Copy the small buffer to the huge buffer */
+ sb = (struct sk_buff *)iov->iov_base;
+@@ -2341,7 +2341,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
+ #endif /* NS_USE_DESTRUCTORS */
+ __net_timestamp(hb);
+ vcc->push(vcc, hb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+ }
+
+diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
+index 9851093..adb2b1e 100644
+--- a/drivers/atm/solos-pci.c
++++ b/drivers/atm/solos-pci.c
+@@ -714,7 +714,7 @@ void solos_bh(unsigned long card_arg)
+ }
+ atm_charge(vcc, skb->truesize);
+ vcc->push(vcc, skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ break;
+
+ case PKT_STATUS:
+@@ -1009,7 +1009,7 @@ static uint32_t fpga_tx(struct solos_card *card)
+ vcc = SKB_CB(oldskb)->vcc;
+
+ if (vcc) {
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ solos_pop(vcc, oldskb);
+ } else
+ dev_kfree_skb_irq(oldskb);
+diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c
+index 0215934..ce9f5b1 100644
+--- a/drivers/atm/suni.c
++++ b/drivers/atm/suni.c
+@@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock);
+
+
+ #define ADD_LIMITED(s,v) \
+- atomic_add((v),&stats->s); \
+- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX);
++ atomic_add_unchecked((v),&stats->s); \
++ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX);
+
+
+ static void suni_hz(unsigned long from_timer)
+diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c
+index 5120a96..e2572bd 100644
+--- a/drivers/atm/uPD98402.c
++++ b/drivers/atm/uPD98402.c
+@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze
+ struct sonet_stats tmp;
+ int error = 0;
+
+- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
++ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
+ sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp);
+ if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp));
+ if (zero && !error) {
+@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
+
+
+ #define ADD_LIMITED(s,v) \
+- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \
+- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \
+- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); }
++ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \
++ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \
++ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); }
+
+
+ static void stat_event(struct atm_dev *dev)
+@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev)
+ if (reason & uPD98402_INT_PFM) stat_event(dev);
+ if (reason & uPD98402_INT_PCO) {
+ (void) GET(PCOCR); /* clear interrupt cause */
+- atomic_add(GET(HECCT),
++ atomic_add_unchecked(GET(HECCT),
+ &PRIV(dev)->sonet_stats.uncorr_hcs);
+ }
+ if ((reason & uPD98402_INT_RFO) &&
+@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev)
+ PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO |
+ uPD98402_INT_LOS),PIMR); /* enable them */
+ (void) fetch_stats(dev,NULL,1); /* clear kernel counters */
+- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1);
+- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1);
+- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1);
++ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1);
++ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1);
++ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1);
+ return 0;
+ }
+
+diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
+index abe4e20..83c4727 100644
+--- a/drivers/atm/zatm.c
++++ b/drivers/atm/zatm.c
+@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
+ }
+ if (!size) {
+ dev_kfree_skb_irq(skb);
+- if (vcc) atomic_inc(&vcc->stats->rx_err);
++ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err);
+ continue;
+ }
+ if (!atm_charge(vcc,skb->truesize)) {
+@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
+ skb->len = size;
+ ATM_SKB(skb)->vcc = vcc;
+ vcc->push(vcc,skb);
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ }
+ zout(pos & 0xffff,MTA(mbx));
+ #if 0 /* probably a stupid idea */
+@@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP |
+ skb_queue_head(&zatm_vcc->backlog,skb);
+ break;
+ }
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+ wake_up(&zatm_vcc->tx_wait);
+ }
+
+diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
+index deb4a45..211eff2 100644
+--- a/drivers/base/devtmpfs.c
++++ b/drivers/base/devtmpfs.c
+@@ -347,7 +347,7 @@ int devtmpfs_mount(const char *mntdir)
+ if (!thread)
+ return 0;
+
+- err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL);
++ err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL);
+ if (err)
+ printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
+ else
+diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
+index cbb463b..babe2cf 100644
+--- a/drivers/base/power/wakeup.c
++++ b/drivers/base/power/wakeup.c
+@@ -29,14 +29,14 @@ bool events_check_enabled __read_mostly;
+ * They need to be modified together atomically, so it's better to use one
+ * atomic variable to hold them both.
+ */
+-static atomic_t combined_event_count = ATOMIC_INIT(0);
++static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0);
+
+ #define IN_PROGRESS_BITS (sizeof(int) * 4)
+ #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1)
+
+ static void split_counters(unsigned int *cnt, unsigned int *inpr)
+ {
+- unsigned int comb = atomic_read(&combined_event_count);
++ unsigned int comb = atomic_read_unchecked(&combined_event_count);
+
+ *cnt = (comb >> IN_PROGRESS_BITS);
+ *inpr = comb & MAX_IN_PROGRESS;
+@@ -385,7 +385,7 @@ static void wakeup_source_activate(struct wakeup_source *ws)
+ ws->start_prevent_time = ws->last_time;
+
+ /* Increment the counter of events in progress. */
+- cec = atomic_inc_return(&combined_event_count);
++ cec = atomic_inc_return_unchecked(&combined_event_count);
+
+ trace_wakeup_source_activate(ws->name, cec);
+ }
+@@ -511,7 +511,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws)
+ * Increment the counter of registered wakeup events and decrement the
+ * couter of wakeup events in progress simultaneously.
+ */
+- cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count);
++ cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count);
+ trace_wakeup_source_deactivate(ws->name, cec);
+
+ split_counters(&cnt, &inpr);
+diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
+index b0f553b..77b928b 100644
+--- a/drivers/block/cciss.c
++++ b/drivers/block/cciss.c
+@@ -1198,6 +1198,8 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
+ int err;
+ u32 cp;
+
++ memset(&arg64, 0, sizeof(arg64));
++
+ err = 0;
+ err |=
+ copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
+@@ -3007,7 +3009,7 @@ static void start_io(ctlr_info_t *h)
+ while (!list_empty(&h->reqQ)) {
+ c = list_entry(h->reqQ.next, CommandList_struct, list);
+ /* can't do anything if fifo is full */
+- if ((h->access.fifo_full(h))) {
++ if ((h->access->fifo_full(h))) {
+ dev_warn(&h->pdev->dev, "fifo full\n");
+ break;
+ }
+@@ -3017,7 +3019,7 @@ static void start_io(ctlr_info_t *h)
+ h->Qdepth--;
+
+ /* Tell the controller execute command */
+- h->access.submit_command(h, c);
++ h->access->submit_command(h, c);
+
+ /* Put job onto the completed Q */
+ addQ(&h->cmpQ, c);
+@@ -3443,17 +3445,17 @@ startio:
+
+ static inline unsigned long get_next_completion(ctlr_info_t *h)
+ {
+- return h->access.command_completed(h);
++ return h->access->command_completed(h);
+ }
+
+ static inline int interrupt_pending(ctlr_info_t *h)
+ {
+- return h->access.intr_pending(h);
++ return h->access->intr_pending(h);
+ }
+
+ static inline long interrupt_not_for_us(ctlr_info_t *h)
+ {
+- return ((h->access.intr_pending(h) == 0) ||
++ return ((h->access->intr_pending(h) == 0) ||
+ (h->interrupts_enabled == 0));
+ }
+
+@@ -3486,7 +3488,7 @@ static inline u32 next_command(ctlr_info_t *h)
+ u32 a;
+
+ if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
+- return h->access.command_completed(h);
++ return h->access->command_completed(h);
+
+ if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
+ a = *(h->reply_pool_head); /* Next cmd in ring buffer */
+@@ -4044,7 +4046,7 @@ static void __devinit cciss_put_controller_into_performant_mode(ctlr_info_t *h)
+ trans_support & CFGTBL_Trans_use_short_tags);
+
+ /* Change the access methods to the performant access methods */
+- h->access = SA5_performant_access;
++ h->access = &SA5_performant_access;
+ h->transMethod = CFGTBL_Trans_Performant;
+
+ return;
+@@ -4316,7 +4318,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
+ if (prod_index < 0)
+ return -ENODEV;
+ h->product_name = products[prod_index].product_name;
+- h->access = *(products[prod_index].access);
++ h->access = products[prod_index].access;
+
+ if (cciss_board_disabled(h)) {
+ dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
+@@ -5041,7 +5043,7 @@ reinit_after_soft_reset:
+ }
+
+ /* make sure the board interrupts are off */
+- h->access.set_intr_mask(h, CCISS_INTR_OFF);
++ h->access->set_intr_mask(h, CCISS_INTR_OFF);
+ rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx);
+ if (rc)
+ goto clean2;
+@@ -5093,7 +5095,7 @@ reinit_after_soft_reset:
+ * fake ones to scoop up any residual completions.
+ */
+ spin_lock_irqsave(&h->lock, flags);
+- h->access.set_intr_mask(h, CCISS_INTR_OFF);
++ h->access->set_intr_mask(h, CCISS_INTR_OFF);
+ spin_unlock_irqrestore(&h->lock, flags);
+ free_irq(h->intr[h->intr_mode], h);
+ rc = cciss_request_irq(h, cciss_msix_discard_completions,
+@@ -5113,9 +5115,9 @@ reinit_after_soft_reset:
+ dev_info(&h->pdev->dev, "Board READY.\n");
+ dev_info(&h->pdev->dev,
+ "Waiting for stale completions to drain.\n");
+- h->access.set_intr_mask(h, CCISS_INTR_ON);
++ h->access->set_intr_mask(h, CCISS_INTR_ON);
+ msleep(10000);
+- h->access.set_intr_mask(h, CCISS_INTR_OFF);
++ h->access->set_intr_mask(h, CCISS_INTR_OFF);
+
+ rc = controller_reset_failed(h->cfgtable);
+ if (rc)
+@@ -5138,7 +5140,7 @@ reinit_after_soft_reset:
+ cciss_scsi_setup(h);
+
+ /* Turn the interrupts on so we can service requests */
+- h->access.set_intr_mask(h, CCISS_INTR_ON);
++ h->access->set_intr_mask(h, CCISS_INTR_ON);
+
+ /* Get the firmware version */
+ inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
+@@ -5211,7 +5213,7 @@ static void cciss_shutdown(struct pci_dev *pdev)
+ kfree(flush_buf);
+ if (return_code != IO_OK)
+ dev_warn(&h->pdev->dev, "Error flushing cache\n");
+- h->access.set_intr_mask(h, CCISS_INTR_OFF);
++ h->access->set_intr_mask(h, CCISS_INTR_OFF);
+ free_irq(h->intr[h->intr_mode], h);
+ }
+
+diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
+index 7fda30e..eb5dfe0 100644
+--- a/drivers/block/cciss.h
++++ b/drivers/block/cciss.h
+@@ -101,7 +101,7 @@ struct ctlr_info
+ /* information about each logical volume */
+ drive_info_struct *drv[CISS_MAX_LUN];
+
+- struct access_method access;
++ struct access_method *access;
+
+ /* queue and queue Info */
+ struct list_head reqQ;
+diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
+index 9125bbe..eede5c8 100644
+--- a/drivers/block/cpqarray.c
++++ b/drivers/block/cpqarray.c
+@@ -404,7 +404,7 @@ static int __devinit cpqarray_register_ctlr( int i, struct pci_dev *pdev)
+ if (register_blkdev(COMPAQ_SMART2_MAJOR+i, hba[i]->devname)) {
+ goto Enomem4;
+ }
+- hba[i]->access.set_intr_mask(hba[i], 0);
++ hba[i]->access->set_intr_mask(hba[i], 0);
+ if (request_irq(hba[i]->intr, do_ida_intr,
+ IRQF_DISABLED|IRQF_SHARED, hba[i]->devname, hba[i]))
+ {
+@@ -459,7 +459,7 @@ static int __devinit cpqarray_register_ctlr( int i, struct pci_dev *pdev)
+ add_timer(&hba[i]->timer);
+
+ /* Enable IRQ now that spinlock and rate limit timer are set up */
+- hba[i]->access.set_intr_mask(hba[i], FIFO_NOT_EMPTY);
++ hba[i]->access->set_intr_mask(hba[i], FIFO_NOT_EMPTY);
+
+ for(j=0; j<NWD; j++) {
+ struct gendisk *disk = ida_gendisk[i][j];
+@@ -694,7 +694,7 @@ DBGINFO(
+ for(i=0; i<NR_PRODUCTS; i++) {
+ if (board_id == products[i].board_id) {
+ c->product_name = products[i].product_name;
+- c->access = *(products[i].access);
++ c->access = products[i].access;
+ break;
+ }
+ }
+@@ -792,7 +792,7 @@ static int __devinit cpqarray_eisa_detect(void)
+ hba[ctlr]->intr = intr;
+ sprintf(hba[ctlr]->devname, "ida%d", nr_ctlr);
+ hba[ctlr]->product_name = products[j].product_name;
+- hba[ctlr]->access = *(products[j].access);
++ hba[ctlr]->access = products[j].access;
+ hba[ctlr]->ctlr = ctlr;
+ hba[ctlr]->board_id = board_id;
+ hba[ctlr]->pci_dev = NULL; /* not PCI */
+@@ -980,7 +980,7 @@ static void start_io(ctlr_info_t *h)
+
+ while((c = h->reqQ) != NULL) {
+ /* Can't do anything if we're busy */
+- if (h->access.fifo_full(h) == 0)
++ if (h->access->fifo_full(h) == 0)
+ return;
+
+ /* Get the first entry from the request Q */
+@@ -988,7 +988,7 @@ static void start_io(ctlr_info_t *h)
+ h->Qdepth--;
+
+ /* Tell the controller to do our bidding */
+- h->access.submit_command(h, c);
++ h->access->submit_command(h, c);
+
+ /* Get onto the completion Q */
+ addQ(&h->cmpQ, c);
+@@ -1050,7 +1050,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
+ unsigned long flags;
+ __u32 a,a1;
+
+- istat = h->access.intr_pending(h);
++ istat = h->access->intr_pending(h);
+ /* Is this interrupt for us? */
+ if (istat == 0)
+ return IRQ_NONE;
+@@ -1061,7 +1061,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
+ */
+ spin_lock_irqsave(IDA_LOCK(h->ctlr), flags);
+ if (istat & FIFO_NOT_EMPTY) {
+- while((a = h->access.command_completed(h))) {
++ while((a = h->access->command_completed(h))) {
+ a1 = a; a &= ~3;
+ if ((c = h->cmpQ) == NULL)
+ {
+@@ -1449,11 +1449,11 @@ static int sendcmd(
+ /*
+ * Disable interrupt
+ */
+- info_p->access.set_intr_mask(info_p, 0);
++ info_p->access->set_intr_mask(info_p, 0);
+ /* Make sure there is room in the command FIFO */
+ /* Actually it should be completely empty at this time. */
+ for (i = 200000; i > 0; i--) {
+- temp = info_p->access.fifo_full(info_p);
++ temp = info_p->access->fifo_full(info_p);
+ if (temp != 0) {
+ break;
+ }
+@@ -1466,7 +1466,7 @@ DBG(
+ /*
+ * Send the cmd
+ */
+- info_p->access.submit_command(info_p, c);
++ info_p->access->submit_command(info_p, c);
+ complete = pollcomplete(ctlr);
+
+ pci_unmap_single(info_p->pci_dev, (dma_addr_t) c->req.sg[0].addr,
+@@ -1549,9 +1549,9 @@ static int revalidate_allvol(ctlr_info_t *host)
+ * we check the new geometry. Then turn interrupts back on when
+ * we're done.
+ */
+- host->access.set_intr_mask(host, 0);
++ host->access->set_intr_mask(host, 0);
+ getgeometry(ctlr);
+- host->access.set_intr_mask(host, FIFO_NOT_EMPTY);
++ host->access->set_intr_mask(host, FIFO_NOT_EMPTY);
+
+ for(i=0; i<NWD; i++) {
+ struct gendisk *disk = ida_gendisk[ctlr][i];
+@@ -1591,7 +1591,7 @@ static int pollcomplete(int ctlr)
+ /* Wait (up to 2 seconds) for a command to complete */
+
+ for (i = 200000; i > 0; i--) {
+- done = hba[ctlr]->access.command_completed(hba[ctlr]);
++ done = hba[ctlr]->access->command_completed(hba[ctlr]);
+ if (done == 0) {
+ udelay(10); /* a short fixed delay */
+ } else
+diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h
+index be73e9d..7fbf140 100644
+--- a/drivers/block/cpqarray.h
++++ b/drivers/block/cpqarray.h
+@@ -99,7 +99,7 @@ struct ctlr_info {
+ drv_info_t drv[NWD];
+ struct proc_dir_entry *proc;
+
+- struct access_method access;
++ struct access_method *access;
+
+ cmdlist_t *reqQ;
+ cmdlist_t *cmpQ;
+diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
+index b953cc7..e3dc580 100644
+--- a/drivers/block/drbd/drbd_int.h
++++ b/drivers/block/drbd/drbd_int.h
+@@ -735,7 +735,7 @@ struct drbd_request;
+ struct drbd_epoch {
+ struct list_head list;
+ unsigned int barrier_nr;
+- atomic_t epoch_size; /* increased on every request added. */
++ atomic_unchecked_t epoch_size; /* increased on every request added. */
+ atomic_t active; /* increased on every req. added, and dec on every finished. */
+ unsigned long flags;
+ };
+@@ -1116,7 +1116,7 @@ struct drbd_conf {
+ void *int_dig_in;
+ void *int_dig_vv;
+ wait_queue_head_t seq_wait;
+- atomic_t packet_seq;
++ atomic_unchecked_t packet_seq;
+ unsigned int peer_seq;
+ spinlock_t peer_seq_lock;
+ unsigned int minor;
+@@ -1658,30 +1658,30 @@ static inline int drbd_setsockopt(struct socket *sock, int level, int optname,
+
+ static inline void drbd_tcp_cork(struct socket *sock)
+ {
+- int __user val = 1;
++ int val = 1;
+ (void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
+- (char __user *)&val, sizeof(val));
++ (char __force_user *)&val, sizeof(val));
+ }
+
+ static inline void drbd_tcp_uncork(struct socket *sock)
+ {
+- int __user val = 0;
++ int val = 0;
+ (void) drbd_setsockopt(sock, SOL_TCP, TCP_CORK,
+- (char __user *)&val, sizeof(val));
++ (char __force_user *)&val, sizeof(val));
+ }
+
+ static inline void drbd_tcp_nodelay(struct socket *sock)
+ {
+- int __user val = 1;
++ int val = 1;
+ (void) drbd_setsockopt(sock, SOL_TCP, TCP_NODELAY,
+- (char __user *)&val, sizeof(val));
++ (char __force_user *)&val, sizeof(val));
+ }
+
+ static inline void drbd_tcp_quickack(struct socket *sock)
+ {
+- int __user val = 2;
++ int val = 2;
+ (void) drbd_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
+- (char __user *)&val, sizeof(val));
++ (char __force_user *)&val, sizeof(val));
+ }
+
+ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo);
+diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
+index f93a032..71c87bf 100644
+--- a/drivers/block/drbd/drbd_main.c
++++ b/drivers/block/drbd/drbd_main.c
+@@ -2567,7 +2567,7 @@ static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packets cmd,
+ p.sector = sector;
+ p.block_id = block_id;
+ p.blksize = blksize;
+- p.seq_num = cpu_to_be32(atomic_add_return(1, &mdev->packet_seq));
++ p.seq_num = cpu_to_be32(atomic_add_return_unchecked(1, &mdev->packet_seq));
+
+ if (!mdev->meta.socket || mdev->state.conn < C_CONNECTED)
+ return false;
+@@ -2865,7 +2865,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
+
+ p.sector = cpu_to_be64(req->sector);
+ p.block_id = (unsigned long)req;
+- p.seq_num = cpu_to_be32(atomic_add_return(1, &mdev->packet_seq));
++ p.seq_num = cpu_to_be32(atomic_add_return_unchecked(1, &mdev->packet_seq));
+
+ dp_flags = bio_flags_to_wire(mdev, req->master_bio->bi_rw);
+
+@@ -3150,7 +3150,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
+ atomic_set(&mdev->unacked_cnt, 0);
+ atomic_set(&mdev->local_cnt, 0);
+ atomic_set(&mdev->net_cnt, 0);
+- atomic_set(&mdev->packet_seq, 0);
++ atomic_set_unchecked(&mdev->packet_seq, 0);
+ atomic_set(&mdev->pp_in_use, 0);
+ atomic_set(&mdev->pp_in_use_by_net, 0);
+ atomic_set(&mdev->rs_sect_in, 0);
+@@ -3232,8 +3232,8 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev)
+ mdev->receiver.t_state);
+
+ /* no need to lock it, I'm the only thread alive */
+- if (atomic_read(&mdev->current_epoch->epoch_size) != 0)
+- dev_err(DEV, "epoch_size:%d\n", atomic_read(&mdev->current_epoch->epoch_size));
++ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size) != 0)
++ dev_err(DEV, "epoch_size:%d\n", atomic_read_unchecked(&mdev->current_epoch->epoch_size));
+ mdev->al_writ_cnt =
+ mdev->bm_writ_cnt =
+ mdev->read_cnt =
+diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
+index edb490a..ecd69da 100644
+--- a/drivers/block/drbd/drbd_nl.c
++++ b/drivers/block/drbd/drbd_nl.c
+@@ -2407,7 +2407,7 @@ static void drbd_connector_callback(struct cn_msg *req, struct netlink_skb_parms
+ module_put(THIS_MODULE);
+ }
+
+-static atomic_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */
++static atomic_unchecked_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */
+
+ static unsigned short *
+ __tl_add_blob(unsigned short *tl, enum drbd_tags tag, const void *data,
+@@ -2478,7 +2478,7 @@ void drbd_bcast_state(struct drbd_conf *mdev, union drbd_state state)
+ cn_reply->id.idx = CN_IDX_DRBD;
+ cn_reply->id.val = CN_VAL_DRBD;
+
+- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
++ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
+ cn_reply->ack = 0; /* not used here. */
+ cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
+ (int)((char *)tl - (char *)reply->tag_list);
+@@ -2510,7 +2510,7 @@ void drbd_bcast_ev_helper(struct drbd_conf *mdev, char *helper_name)
+ cn_reply->id.idx = CN_IDX_DRBD;
+ cn_reply->id.val = CN_VAL_DRBD;
+
+- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
++ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
+ cn_reply->ack = 0; /* not used here. */
+ cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
+ (int)((char *)tl - (char *)reply->tag_list);
+@@ -2588,7 +2588,7 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
+ cn_reply->id.idx = CN_IDX_DRBD;
+ cn_reply->id.val = CN_VAL_DRBD;
+
+- cn_reply->seq = atomic_add_return(1,&drbd_nl_seq);
++ cn_reply->seq = atomic_add_return_unchecked(1,&drbd_nl_seq);
+ cn_reply->ack = 0; // not used here.
+ cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
+ (int)((char*)tl - (char*)reply->tag_list);
+@@ -2627,7 +2627,7 @@ void drbd_bcast_sync_progress(struct drbd_conf *mdev)
+ cn_reply->id.idx = CN_IDX_DRBD;
+ cn_reply->id.val = CN_VAL_DRBD;
+
+- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq);
++ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq);
+ cn_reply->ack = 0; /* not used here. */
+ cn_reply->len = sizeof(struct drbd_nl_cfg_reply) +
+ (int)((char *)tl - (char *)reply->tag_list);
+diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
+index c74ca2d..860c819 100644
+--- a/drivers/block/drbd/drbd_receiver.c
++++ b/drivers/block/drbd/drbd_receiver.c
+@@ -898,7 +898,7 @@ retry:
+ sock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10;
+ sock->sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;
+
+- atomic_set(&mdev->packet_seq, 0);
++ atomic_set_unchecked(&mdev->packet_seq, 0);
+ mdev->peer_seq = 0;
+
+ if (drbd_send_protocol(mdev) == -1)
+@@ -999,7 +999,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
+ do {
+ next_epoch = NULL;
+
+- epoch_size = atomic_read(&epoch->epoch_size);
++ epoch_size = atomic_read_unchecked(&epoch->epoch_size);
+
+ switch (ev & ~EV_CLEANUP) {
+ case EV_PUT:
+@@ -1035,7 +1035,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
+ rv = FE_DESTROYED;
+ } else {
+ epoch->flags = 0;
+- atomic_set(&epoch->epoch_size, 0);
++ atomic_set_unchecked(&epoch->epoch_size, 0);
+ /* atomic_set(&epoch->active, 0); is already zero */
+ if (rv == FE_STILL_LIVE)
+ rv = FE_RECYCLED;
+@@ -1210,14 +1210,14 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign
+ drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
+ drbd_flush(mdev);
+
+- if (atomic_read(&mdev->current_epoch->epoch_size)) {
++ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) {
+ epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
+ if (epoch)
+ break;
+ }
+
+ epoch = mdev->current_epoch;
+- wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0);
++ wait_event(mdev->ee_wait, atomic_read_unchecked(&epoch->epoch_size) == 0);
+
+ D_ASSERT(atomic_read(&epoch->active) == 0);
+ D_ASSERT(epoch->flags == 0);
+@@ -1229,11 +1229,11 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign
+ }
+
+ epoch->flags = 0;
+- atomic_set(&epoch->epoch_size, 0);
++ atomic_set_unchecked(&epoch->epoch_size, 0);
+ atomic_set(&epoch->active, 0);
+
+ spin_lock(&mdev->epoch_lock);
+- if (atomic_read(&mdev->current_epoch->epoch_size)) {
++ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) {
+ list_add(&epoch->list, &mdev->current_epoch->list);
+ mdev->current_epoch = epoch;
+ mdev->epochs++;
+@@ -1702,7 +1702,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
+ spin_unlock(&mdev->peer_seq_lock);
+
+ drbd_send_ack_dp(mdev, P_NEG_ACK, p, data_size);
+- atomic_inc(&mdev->current_epoch->epoch_size);
++ atomic_inc_unchecked(&mdev->current_epoch->epoch_size);
+ return drbd_drain_block(mdev, data_size);
+ }
+
+@@ -1732,7 +1732,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
+
+ spin_lock(&mdev->epoch_lock);
+ e->epoch = mdev->current_epoch;
+- atomic_inc(&e->epoch->epoch_size);
++ atomic_inc_unchecked(&e->epoch->epoch_size);
+ atomic_inc(&e->epoch->active);
+ spin_unlock(&mdev->epoch_lock);
+
+@@ -3954,7 +3954,7 @@ static void drbd_disconnect(struct drbd_conf *mdev)
+ D_ASSERT(list_empty(&mdev->done_ee));
+
+ /* ok, no more ee's on the fly, it is safe to reset the epoch_size */
+- atomic_set(&mdev->current_epoch->epoch_size, 0);
++ atomic_set_unchecked(&mdev->current_epoch->epoch_size, 0);
+ D_ASSERT(list_empty(&mdev->current_epoch->list));
+ }
+
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c
+index 3bba655..6151b66 100644
+--- a/drivers/block/loop.c
++++ b/drivers/block/loop.c
+@@ -226,7 +226,7 @@ static int __do_lo_send_write(struct file *file,
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(get_ds());
+- bw = file->f_op->write(file, buf, len, &pos);
++ bw = file->f_op->write(file, (const char __force_user *)buf, len, &pos);
+ set_fs(old_fs);
+ if (likely(bw == len))
+ return 0;
+diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
+index ea6f632..eafb192 100644
+--- a/drivers/char/Kconfig
++++ b/drivers/char/Kconfig
+@@ -8,7 +8,8 @@ source "drivers/tty/Kconfig"
+
+ config DEVKMEM
+ bool "/dev/kmem virtual device support"
+- default y
++ default n
++ depends on !GRKERNSEC_KMEM
+ help
+ Say Y here if you want to support the /dev/kmem device. The
+ /dev/kmem device is rarely used, but can be used for certain
+@@ -581,6 +582,7 @@ config DEVPORT
+ bool
+ depends on !M68K
+ depends on ISA || PCI
++ depends on !GRKERNSEC_KMEM
+ default y
+
+ source "drivers/s390/char/Kconfig"
+diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
+index 2e04433..22afc64 100644
+--- a/drivers/char/agp/frontend.c
++++ b/drivers/char/agp/frontend.c
+@@ -817,7 +817,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
+ if (copy_from_user(&reserve, arg, sizeof(struct agp_region)))
+ return -EFAULT;
+
+- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment))
++ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv))
+ return -EFAULT;
+
+ client = agp_find_client_by_pid(reserve.pid);
+diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
+index 21cb980..f15107c 100644
+--- a/drivers/char/genrtc.c
++++ b/drivers/char/genrtc.c
+@@ -272,6 +272,7 @@ static int gen_rtc_ioctl(struct file *file,
+ switch (cmd) {
+
+ case RTC_PLL_GET:
++ memset(&pll, 0, sizeof(pll));
+ if (get_rtc_pll(&pll))
+ return -EINVAL;
+ else
+diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
+index dfd7876..c0b0885 100644
+--- a/drivers/char/hpet.c
++++ b/drivers/char/hpet.c
+@@ -571,7 +571,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets,
+ }
+
+ static int
+-hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg,
++hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg,
+ struct hpet_info *info)
+ {
+ struct hpet_timer __iomem *timer;
+diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
+index 2c29942..604c5ba 100644
+--- a/drivers/char/ipmi/ipmi_msghandler.c
++++ b/drivers/char/ipmi/ipmi_msghandler.c
+@@ -420,7 +420,7 @@ struct ipmi_smi {
+ struct proc_dir_entry *proc_dir;
+ char proc_dir_name[10];
+
+- atomic_t stats[IPMI_NUM_STATS];
++ atomic_unchecked_t stats[IPMI_NUM_STATS];
+
+ /*
+ * run_to_completion duplicate of smb_info, smi_info
+@@ -453,9 +453,9 @@ static DEFINE_MUTEX(smi_watchers_mutex);
+
+
+ #define ipmi_inc_stat(intf, stat) \
+- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat])
++ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])
+ #define ipmi_get_stat(intf, stat) \
+- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat]))
++ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]))
+
+ static int is_lan_addr(struct ipmi_addr *addr)
+ {
+@@ -2884,7 +2884,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
+ INIT_LIST_HEAD(&intf->cmd_rcvrs);
+ init_waitqueue_head(&intf->waitq);
+ for (i = 0; i < IPMI_NUM_STATS; i++)
+- atomic_set(&intf->stats[i], 0);
++ atomic_set_unchecked(&intf->stats[i], 0);
+
+ intf->proc_dir = NULL;
+
+diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
+index 83f85cf..279e63f 100644
+--- a/drivers/char/ipmi/ipmi_si_intf.c
++++ b/drivers/char/ipmi/ipmi_si_intf.c
+@@ -275,7 +275,7 @@ struct smi_info {
+ unsigned char slave_addr;
+
+ /* Counters and things for the proc filesystem. */
+- atomic_t stats[SI_NUM_STATS];
++ atomic_unchecked_t stats[SI_NUM_STATS];
+
+ struct task_struct *thread;
+
+@@ -284,9 +284,9 @@ struct smi_info {
+ };
+
+ #define smi_inc_stat(smi, stat) \
+- atomic_inc(&(smi)->stats[SI_STAT_ ## stat])
++ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat])
+ #define smi_get_stat(smi, stat) \
+- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat]))
++ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat]))
+
+ #define SI_MAX_PARMS 4
+
+@@ -3193,7 +3193,7 @@ static int try_smi_init(struct smi_info *new_smi)
+ atomic_set(&new_smi->req_events, 0);
+ new_smi->run_to_completion = 0;
+ for (i = 0; i < SI_NUM_STATS; i++)
+- atomic_set(&new_smi->stats[i], 0);
++ atomic_set_unchecked(&new_smi->stats[i], 0);
+
+ new_smi->interrupt_disabled = 1;
+ atomic_set(&new_smi->stop_operation, 0);
+diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
+index 47ff7e4..0c7d340 100644
+--- a/drivers/char/mbcs.c
++++ b/drivers/char/mbcs.c
+@@ -799,7 +799,7 @@ static int mbcs_remove(struct cx_dev *dev)
+ return 0;
+ }
+
+-static const struct cx_device_id __devinitdata mbcs_id_table[] = {
++static const struct cx_device_id __devinitconst mbcs_id_table[] = {
+ {
+ .part_num = MBCS_PART_NUM,
+ .mfg_num = MBCS_MFG_NUM,
+diff --git a/drivers/char/mem.c b/drivers/char/mem.c
+index e5eedfa..fcab50ea 100644
+--- a/drivers/char/mem.c
++++ b/drivers/char/mem.c
+@@ -18,6 +18,7 @@
+ #include <linux/raw.h>
+ #include <linux/tty.h>
+ #include <linux/capability.h>
++#include <linux/security.h>
+ #include <linux/ptrace.h>
+ #include <linux/device.h>
+ #include <linux/highmem.h>
+@@ -37,6 +38,10 @@
+
+ #define DEVPORT_MINOR 4
+
++#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
++extern const struct file_operations grsec_fops;
++#endif
++
+ static inline unsigned long size_inside_page(unsigned long start,
+ unsigned long size)
+ {
+@@ -68,9 +73,13 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
+
+ while (cursor < to) {
+ if (!devmem_is_allowed(pfn)) {
++#ifdef CONFIG_GRKERNSEC_KMEM
++ gr_handle_mem_readwrite(from, to);
++#else
+ printk(KERN_INFO
+ "Program %s tried to access /dev/mem between %Lx->%Lx.\n",
+ current->comm, from, to);
++#endif
+ return 0;
+ }
+ cursor += PAGE_SIZE;
+@@ -78,6 +87,11 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
+ }
+ return 1;
+ }
++#elif defined(CONFIG_GRKERNSEC_KMEM)
++static inline int range_is_allowed(unsigned long pfn, unsigned long size)
++{
++ return 0;
++}
+ #else
+ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
+ {
+@@ -120,6 +134,7 @@ static ssize_t read_mem(struct file *file, char __user *buf,
+
+ while (count > 0) {
+ unsigned long remaining;
++ char *temp;
+
+ sz = size_inside_page(p, count);
+
+@@ -135,7 +150,23 @@ static ssize_t read_mem(struct file *file, char __user *buf,
+ if (!ptr)
+ return -EFAULT;
+
+- remaining = copy_to_user(buf, ptr, sz);
++#ifdef CONFIG_PAX_USERCOPY
++ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
++ if (!temp) {
++ unxlate_dev_mem_ptr(p, ptr);
++ return -ENOMEM;
++ }
++ memcpy(temp, ptr, sz);
++#else
++ temp = ptr;
++#endif
++
++ remaining = copy_to_user(buf, temp, sz);
++
++#ifdef CONFIG_PAX_USERCOPY
++ kfree(temp);
++#endif
++
+ unxlate_dev_mem_ptr(p, ptr);
+ if (remaining)
+ return -EFAULT;
+@@ -398,9 +429,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+ {
+ unsigned long p = *ppos;
+- ssize_t low_count, read, sz;
++ ssize_t low_count, read, sz, err = 0;
+ char * kbuf; /* k-addr because vread() takes vmlist_lock rwlock */
+- int err = 0;
+
+ read = 0;
+ if (p < (unsigned long) high_memory) {
+@@ -422,6 +452,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
+ }
+ #endif
+ while (low_count > 0) {
++ char *temp;
++
+ sz = size_inside_page(p, low_count);
+
+ /*
+@@ -431,7 +463,22 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
+ */
+ kbuf = xlate_dev_kmem_ptr((char *)p);
+
+- if (copy_to_user(buf, kbuf, sz))
++#ifdef CONFIG_PAX_USERCOPY
++ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
++ if (!temp)
++ return -ENOMEM;
++ memcpy(temp, kbuf, sz);
++#else
++ temp = kbuf;
++#endif
++
++ err = copy_to_user(buf, temp, sz);
++
++#ifdef CONFIG_PAX_USERCOPY
++ kfree(temp);
++#endif
++
++ if (err)
+ return -EFAULT;
+ buf += sz;
+ p += sz;
+@@ -833,6 +880,9 @@ static const struct memdev {
+ #ifdef CONFIG_CRASH_DUMP
+ [12] = { "oldmem", 0, &oldmem_fops, NULL },
+ #endif
++#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
++ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, NULL },
++#endif
+ };
+
+ static int memory_open(struct inode *inode, struct file *filp)
+diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
+index 9df78e2..01ba9ae 100644
+--- a/drivers/char/nvram.c
++++ b/drivers/char/nvram.c
+@@ -247,7 +247,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf,
+
+ spin_unlock_irq(&rtc_lock);
+
+- if (copy_to_user(buf, contents, tmp - contents))
++ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents))
+ return -EFAULT;
+
+ *ppos = i;
+diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
+index 0a484b4..f48ccd1 100644
+--- a/drivers/char/pcmcia/synclink_cs.c
++++ b/drivers/char/pcmcia/synclink_cs.c
+@@ -2340,9 +2340,9 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgslpc_close(%s) entry, count=%d\n",
+- __FILE__,__LINE__, info->device_name, port->count);
++ __FILE__,__LINE__, info->device_name, atomic_read(&port->count));
+
+- WARN_ON(!port->count);
++ WARN_ON(!atomic_read(&port->count));
+
+ if (tty_port_close_start(port, tty, filp) == 0)
+ goto cleanup;
+@@ -2360,7 +2360,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
+ cleanup:
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__,__LINE__,
+- tty->driver->name, port->count);
++ tty->driver->name, atomic_read(&port->count));
+ }
+
+ /* Wait until the transmitter is empty.
+@@ -2502,7 +2502,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
+- __FILE__,__LINE__,tty->driver->name, port->count);
++ __FILE__,__LINE__,tty->driver->name, atomic_read(&port->count));
+
+ /* If port is closing, signal caller to try again */
+ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING){
+@@ -2522,11 +2522,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
+ goto cleanup;
+ }
+ spin_lock(&port->lock);
+- port->count++;
++ atomic_inc(&port->count);
+ spin_unlock(&port->lock);
+ spin_unlock_irqrestore(&info->netlock, flags);
+
+- if (port->count == 1) {
++ if (atomic_read(&port->count) == 1) {
+ /* 1st open on this device, init hardware */
+ retval = startup(info, tty);
+ if (retval < 0)
+@@ -3891,7 +3891,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
+ unsigned short new_crctype;
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ switch (encoding)
+@@ -3994,7 +3994,7 @@ static int hdlcdev_open(struct net_device *dev)
+
+ /* arbitrate between network and tty opens */
+ spin_lock_irqsave(&info->netlock, flags);
+- if (info->port.count != 0 || info->netcount != 0) {
++ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
+ printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
+ spin_unlock_irqrestore(&info->netlock, flags);
+ return -EBUSY;
+@@ -4083,7 +4083,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ if (cmd != SIOCWANDEV)
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index b86eae9..4192a7a 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -272,8 +272,13 @@
+ /*
+ * Configuration information
+ */
++#ifdef CONFIG_GRKERNSEC_RANDNET
++#define INPUT_POOL_WORDS 512
++#define OUTPUT_POOL_WORDS 128
++#else
+ #define INPUT_POOL_WORDS 128
+ #define OUTPUT_POOL_WORDS 32
++#endif
+ #define SEC_XFER_SIZE 512
+ #define EXTRACT_SIZE 10
+
+@@ -313,10 +318,17 @@ static struct poolinfo {
+ int poolwords;
+ int tap1, tap2, tap3, tap4, tap5;
+ } poolinfo_table[] = {
++#ifdef CONFIG_GRKERNSEC_RANDNET
++ /* x^512 + x^411 + x^308 + x^208 +x^104 + x + 1 -- 225 */
++ { 512, 411, 308, 208, 104, 1 },
++ /* x^128 + x^103 + x^76 + x^51 + x^25 + x + 1 -- 105 */
++ { 128, 103, 76, 51, 25, 1 },
++#else
+ /* x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 -- 105 */
+ { 128, 103, 76, 51, 25, 1 },
+ /* x^32 + x^26 + x^20 + x^14 + x^7 + x + 1 -- 15 */
+ { 32, 26, 20, 14, 7, 1 },
++#endif
+ #if 0
+ /* x^2048 + x^1638 + x^1231 + x^819 + x^411 + x + 1 -- 115 */
+ { 2048, 1638, 1231, 819, 411, 1 },
+@@ -527,8 +539,8 @@ static void _mix_pool_bytes(struct entropy_store *r, const void *in,
+ input_rotate += i ? 7 : 14;
+ }
+
+- ACCESS_ONCE(r->input_rotate) = input_rotate;
+- ACCESS_ONCE(r->add_ptr) = i;
++ ACCESS_ONCE_RW(r->input_rotate) = input_rotate;
++ ACCESS_ONCE_RW(r->add_ptr) = i;
+ smp_wmb();
+
+ if (out)
+@@ -799,6 +811,17 @@ void add_disk_randomness(struct gendisk *disk)
+ }
+ #endif
+
++#ifdef CONFIG_PAX_LATENT_ENTROPY
++u64 latent_entropy;
++
++__init void transfer_latent_entropy(void)
++{
++ mix_pool_bytes(&input_pool, &latent_entropy, sizeof(latent_entropy), NULL);
++ mix_pool_bytes(&nonblocking_pool, &latent_entropy, sizeof(latent_entropy), NULL);
++// printk(KERN_INFO "PAX: transferring latent entropy: %16llx\n", latent_entropy);
++}
++#endif
++
+ /*********************************************************************
+ *
+ * Entropy extraction routines
+@@ -1008,7 +1031,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
+
+ extract_buf(r, tmp);
+ i = min_t(int, nbytes, EXTRACT_SIZE);
+- if (copy_to_user(buf, tmp, i)) {
++ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) {
+ ret = -EFAULT;
+ break;
+ }
+@@ -1342,7 +1365,7 @@ EXPORT_SYMBOL(generate_random_uuid);
+ #include <linux/sysctl.h>
+
+ static int min_read_thresh = 8, min_write_thresh;
+-static int max_read_thresh = INPUT_POOL_WORDS * 32;
++static int max_read_thresh = OUTPUT_POOL_WORDS * 32;
+ static int max_write_thresh = INPUT_POOL_WORDS * 32;
+ static char sysctl_bootid[16];
+
+diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
+index f877805..403375a 100644
+--- a/drivers/char/sonypi.c
++++ b/drivers/char/sonypi.c
+@@ -54,6 +54,7 @@
+
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
++#include <asm/local.h>
+
+ #include <linux/sonypi.h>
+
+@@ -490,7 +491,7 @@ static struct sonypi_device {
+ spinlock_t fifo_lock;
+ wait_queue_head_t fifo_proc_list;
+ struct fasync_struct *fifo_async;
+- int open_count;
++ local_t open_count;
+ int model;
+ struct input_dev *input_jog_dev;
+ struct input_dev *input_key_dev;
+@@ -897,7 +898,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on)
+ static int sonypi_misc_release(struct inode *inode, struct file *file)
+ {
+ mutex_lock(&sonypi_device.lock);
+- sonypi_device.open_count--;
++ local_dec(&sonypi_device.open_count);
+ mutex_unlock(&sonypi_device.lock);
+ return 0;
+ }
+@@ -906,9 +907,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file)
+ {
+ mutex_lock(&sonypi_device.lock);
+ /* Flush input queue on first open */
+- if (!sonypi_device.open_count)
++ if (!local_read(&sonypi_device.open_count))
+ kfifo_reset(&sonypi_device.fifo);
+- sonypi_device.open_count++;
++ local_inc(&sonypi_device.open_count);
+ mutex_unlock(&sonypi_device.lock);
+
+ return 0;
+diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
+index 4dc8024..90108d1 100644
+--- a/drivers/char/tpm/tpm.c
++++ b/drivers/char/tpm/tpm.c
+@@ -415,7 +415,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
+ chip->vendor.req_complete_val)
+ goto out_recv;
+
+- if ((status == chip->vendor.req_canceled)) {
++ if (status == chip->vendor.req_canceled) {
+ dev_err(chip->dev, "Operation Canceled\n");
+ rc = -ECANCELED;
+ goto out;
+diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
+index 0636520..169c1d0 100644
+--- a/drivers/char/tpm/tpm_bios.c
++++ b/drivers/char/tpm/tpm_bios.c
+@@ -173,7 +173,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos)
+ event = addr;
+
+ if ((event->event_type == 0 && event->event_size == 0) ||
+- ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit))
++ (event->event_size >= limit - addr - sizeof(struct tcpa_event)))
+ return NULL;
+
+ return addr;
+@@ -198,7 +198,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v,
+ return NULL;
+
+ if ((event->event_type == 0 && event->event_size == 0) ||
+- ((v + sizeof(struct tcpa_event) + event->event_size) >= limit))
++ (event->event_size >= limit - v - sizeof(struct tcpa_event)))
+ return NULL;
+
+ (*pos)++;
+@@ -291,7 +291,8 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
+ int i;
+
+ for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++)
+- seq_putc(m, data[i]);
++ if (!seq_putc(m, data[i]))
++ return -EFAULT;
+
+ return 0;
+ }
+@@ -410,8 +411,13 @@ static int read_log(struct tpm_bios_log *log)
+ log->bios_event_log_end = log->bios_event_log + len;
+
+ virt = acpi_os_map_memory(start, len);
++ if (!virt) {
++ kfree(log->bios_event_log);
++ log->bios_event_log = NULL;
++ return -EFAULT;
++ }
+
+- memcpy(log->bios_event_log, virt, len);
++ memcpy(log->bios_event_log, (const char __force_kernel *)virt, len);
+
+ acpi_os_unmap_memory(virt, len);
+ return 0;
+diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
+index cdf2f54..e55c197 100644
+--- a/drivers/char/virtio_console.c
++++ b/drivers/char/virtio_console.c
+@@ -563,7 +563,7 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count,
+ if (to_user) {
+ ssize_t ret;
+
+- ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count);
++ ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count);
+ if (ret)
+ return -EFAULT;
+ } else {
+@@ -662,7 +662,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
+ if (!port_has_data(port) && !port->host_connected)
+ return 0;
+
+- return fill_readbuf(port, ubuf, count, true);
++ return fill_readbuf(port, (char __force_kernel *)ubuf, count, true);
+ }
+
+ static ssize_t port_fops_write(struct file *filp, const char __user *ubuf,
+diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
+index e164c55..3aabb50 100644
+--- a/drivers/edac/edac_pci_sysfs.c
++++ b/drivers/edac/edac_pci_sysfs.c
+@@ -26,8 +26,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */
+ static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */
+ static int edac_pci_poll_msec = 1000; /* one second workq period */
+
+-static atomic_t pci_parity_count = ATOMIC_INIT(0);
+-static atomic_t pci_nonparity_count = ATOMIC_INIT(0);
++static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0);
++static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0);
+
+ static struct kobject *edac_pci_top_main_kobj;
+ static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0);
+@@ -579,7 +579,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+- atomic_inc(&pci_nonparity_count);
++ atomic_inc_unchecked(&pci_nonparity_count);
+ }
+
+ if (status & (PCI_STATUS_PARITY)) {
+@@ -587,7 +587,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ "Master Data Parity Error on %s\n",
+ pci_name(dev));
+
+- atomic_inc(&pci_parity_count);
++ atomic_inc_unchecked(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+@@ -595,7 +595,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+- atomic_inc(&pci_parity_count);
++ atomic_inc_unchecked(&pci_parity_count);
+ }
+ }
+
+@@ -618,7 +618,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+- atomic_inc(&pci_nonparity_count);
++ atomic_inc_unchecked(&pci_nonparity_count);
+ }
+
+ if (status & (PCI_STATUS_PARITY)) {
+@@ -626,7 +626,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ "Master Data Parity Error on "
+ "%s\n", pci_name(dev));
+
+- atomic_inc(&pci_parity_count);
++ atomic_inc_unchecked(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+@@ -634,7 +634,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+- atomic_inc(&pci_parity_count);
++ atomic_inc_unchecked(&pci_parity_count);
+ }
+ }
+ }
+@@ -676,7 +676,7 @@ void edac_pci_do_parity_check(void)
+ if (!check_pci_errors)
+ return;
+
+- before_count = atomic_read(&pci_parity_count);
++ before_count = atomic_read_unchecked(&pci_parity_count);
+
+ /* scan all PCI devices looking for a Parity Error on devices and
+ * bridges.
+@@ -688,7 +688,7 @@ void edac_pci_do_parity_check(void)
+ /* Only if operator has selected panic on PCI Error */
+ if (edac_pci_get_panic_on_pe()) {
+ /* If the count is different 'after' from 'before' */
+- if (before_count != atomic_read(&pci_parity_count))
++ if (before_count != atomic_read_unchecked(&pci_parity_count))
+ panic("EDAC: PCI Parity Error");
+ }
+ }
+diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
+index 8c87a5e..a19cbd7 100644
+--- a/drivers/edac/mce_amd.h
++++ b/drivers/edac/mce_amd.h
+@@ -80,7 +80,7 @@ extern const char * const ii_msgs[];
+ struct amd_decoder_ops {
+ bool (*dc_mce)(u16, u8);
+ bool (*ic_mce)(u16, u8);
+-};
++} __no_const;
+
+ void amd_report_gart_errors(bool);
+ void amd_register_ecc_decoder(void (*f)(int, struct mce *));
+diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
+index 57ea7f4..789e3c3 100644
+--- a/drivers/firewire/core-card.c
++++ b/drivers/firewire/core-card.c
+@@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
+
+ void fw_core_remove_card(struct fw_card *card)
+ {
+- struct fw_card_driver dummy_driver = dummy_driver_template;
++ fw_card_driver_no_const dummy_driver = dummy_driver_template;
+
+ card->driver->update_phy_reg(card, 4,
+ PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
+diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
+index f8d2287..5aaf4db 100644
+--- a/drivers/firewire/core-cdev.c
++++ b/drivers/firewire/core-cdev.c
+@@ -1365,8 +1365,7 @@ static int init_iso_resource(struct client *client,
+ int ret;
+
+ if ((request->channels == 0 && request->bandwidth == 0) ||
+- request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL ||
+- request->bandwidth < 0)
++ request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL)
+ return -EINVAL;
+
+ r = kmalloc(sizeof(*r), GFP_KERNEL);
+diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
+index 87d6f2d..5bf9d90 100644
+--- a/drivers/firewire/core-transaction.c
++++ b/drivers/firewire/core-transaction.c
+@@ -37,6 +37,7 @@
+ #include <linux/timer.h>
+ #include <linux/types.h>
+ #include <linux/workqueue.h>
++#include <linux/sched.h>
+
+ #include <asm/byteorder.h>
+
+diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
+index 515a42c..5ecf3ba 100644
+--- a/drivers/firewire/core.h
++++ b/drivers/firewire/core.h
+@@ -111,6 +111,7 @@ struct fw_card_driver {
+
+ int (*stop_iso)(struct fw_iso_context *ctx);
+ };
++typedef struct fw_card_driver __no_const fw_card_driver_no_const;
+
+ void fw_card_initialize(struct fw_card *card,
+ const struct fw_card_driver *driver, struct device *device);
+diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
+index b298158..7ed8432 100644
+--- a/drivers/firmware/dmi_scan.c
++++ b/drivers/firmware/dmi_scan.c
+@@ -452,11 +452,6 @@ void __init dmi_scan_machine(void)
+ }
+ }
+ else {
+- /*
+- * no iounmap() for that ioremap(); it would be a no-op, but
+- * it's so early in setup that sucker gets confused into doing
+- * what it shouldn't if we actually call it.
+- */
+ p = dmi_ioremap(0xF0000, 0x10000);
+ if (p == NULL)
+ goto error;
+@@ -726,7 +721,7 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *),
+ if (buf == NULL)
+ return -1;
+
+- dmi_table(buf, dmi_len, dmi_num, decode, private_data);
++ dmi_table((char __force_kernel *)buf, dmi_len, dmi_num, decode, private_data);
+
+ iounmap(buf);
+ return 0;
+diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c
+index 82d5c20..44a7177 100644
+--- a/drivers/gpio/gpio-vr41xx.c
++++ b/drivers/gpio/gpio-vr41xx.c
+@@ -204,7 +204,7 @@ static int giu_get_irq(unsigned int irq)
+ printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n",
+ maskl, pendl, maskh, pendh);
+
+- atomic_inc(&irq_err_count);
++ atomic_inc_unchecked(&irq_err_count);
+
+ return -EINVAL;
+ }
+diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
+index 3252e70..b5314ace 100644
+--- a/drivers/gpu/drm/drm_crtc_helper.c
++++ b/drivers/gpu/drm/drm_crtc_helper.c
+@@ -286,7 +286,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
+ struct drm_crtc *tmp;
+ int crtc_mask = 1;
+
+- WARN(!crtc, "checking null crtc?\n");
++ BUG_ON(!crtc);
+
+ dev = crtc->dev;
+
+diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
+index 9238de4..a27c72a 100644
+--- a/drivers/gpu/drm/drm_drv.c
++++ b/drivers/gpu/drm/drm_drv.c
+@@ -307,7 +307,7 @@ module_exit(drm_core_exit);
+ /**
+ * Copy and IOCTL return string to user space
+ */
+-static int drm_copy_field(char *buf, size_t *buf_len, const char *value)
++static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value)
+ {
+ int len;
+
+@@ -390,7 +390,7 @@ long drm_ioctl(struct file *filp,
+ return -ENODEV;
+
+ atomic_inc(&dev->ioctl_count);
+- atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_IOCTLS]);
+ ++file_priv->ioctl_count;
+
+ DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
+diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
+index 5062eec..4e3e51f 100644
+--- a/drivers/gpu/drm/drm_fops.c
++++ b/drivers/gpu/drm/drm_fops.c
+@@ -71,7 +71,7 @@ static int drm_setup(struct drm_device * dev)
+ }
+
+ for (i = 0; i < ARRAY_SIZE(dev->counts); i++)
+- atomic_set(&dev->counts[i], 0);
++ atomic_set_unchecked(&dev->counts[i], 0);
+
+ dev->sigdata.lock = NULL;
+
+@@ -134,8 +134,8 @@ int drm_open(struct inode *inode, struct file *filp)
+
+ retcode = drm_open_helper(inode, filp, dev);
+ if (!retcode) {
+- atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
+- if (!dev->open_count++)
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_OPENS]);
++ if (local_inc_return(&dev->open_count) == 1)
+ retcode = drm_setup(dev);
+ }
+ if (!retcode) {
+@@ -422,7 +422,7 @@ int drm_release(struct inode *inode, struct file *filp)
+
+ mutex_lock(&drm_global_mutex);
+
+- DRM_DEBUG("open_count = %d\n", dev->open_count);
++ DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count));
+
+ if (dev->driver->preclose)
+ dev->driver->preclose(dev, file_priv);
+@@ -431,10 +431,10 @@ int drm_release(struct inode *inode, struct file *filp)
+ * Begin inline drm_release
+ */
+
+- DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
++ DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n",
+ task_pid_nr(current),
+ (long)old_encode_dev(file_priv->minor->device),
+- dev->open_count);
++ local_read(&dev->open_count));
+
+ /* Release any auth tokens that might point to this file_priv,
+ (do that under the drm_global_mutex) */
+@@ -530,8 +530,8 @@ int drm_release(struct inode *inode, struct file *filp)
+ * End inline drm_release
+ */
+
+- atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
+- if (!--dev->open_count) {
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_CLOSES]);
++ if (local_dec_and_test(&dev->open_count)) {
+ if (atomic_read(&dev->ioctl_count)) {
+ DRM_ERROR("Device busy: %d\n",
+ atomic_read(&dev->ioctl_count));
+diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
+index c87dc96..326055d 100644
+--- a/drivers/gpu/drm/drm_global.c
++++ b/drivers/gpu/drm/drm_global.c
+@@ -36,7 +36,7 @@
+ struct drm_global_item {
+ struct mutex mutex;
+ void *object;
+- int refcount;
++ atomic_t refcount;
+ };
+
+ static struct drm_global_item glob[DRM_GLOBAL_NUM];
+@@ -49,7 +49,7 @@ void drm_global_init(void)
+ struct drm_global_item *item = &glob[i];
+ mutex_init(&item->mutex);
+ item->object = NULL;
+- item->refcount = 0;
++ atomic_set(&item->refcount, 0);
+ }
+ }
+
+@@ -59,7 +59,7 @@ void drm_global_release(void)
+ for (i = 0; i < DRM_GLOBAL_NUM; ++i) {
+ struct drm_global_item *item = &glob[i];
+ BUG_ON(item->object != NULL);
+- BUG_ON(item->refcount != 0);
++ BUG_ON(atomic_read(&item->refcount) != 0);
+ }
+ }
+
+@@ -70,7 +70,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
+ void *object;
+
+ mutex_lock(&item->mutex);
+- if (item->refcount == 0) {
++ if (atomic_read(&item->refcount) == 0) {
+ item->object = kzalloc(ref->size, GFP_KERNEL);
+ if (unlikely(item->object == NULL)) {
+ ret = -ENOMEM;
+@@ -83,7 +83,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
+ goto out_err;
+
+ }
+- ++item->refcount;
++ atomic_inc(&item->refcount);
+ ref->object = item->object;
+ object = item->object;
+ mutex_unlock(&item->mutex);
+@@ -100,9 +100,9 @@ void drm_global_item_unref(struct drm_global_reference *ref)
+ struct drm_global_item *item = &glob[ref->global_type];
+
+ mutex_lock(&item->mutex);
+- BUG_ON(item->refcount == 0);
++ BUG_ON(atomic_read(&item->refcount) == 0);
+ BUG_ON(ref->object != item->object);
+- if (--item->refcount == 0) {
++ if (atomic_dec_and_test(&item->refcount)) {
+ ref->release(ref);
+ item->object = NULL;
+ }
+diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
+index 8928edb..0c79258 100644
+--- a/drivers/gpu/drm/drm_info.c
++++ b/drivers/gpu/drm/drm_info.c
+@@ -75,10 +75,14 @@ int drm_vm_info(struct seq_file *m, void *data)
+ struct drm_local_map *map;
+ struct drm_map_list *r_list;
+
+- /* Hardcoded from _DRM_FRAME_BUFFER,
+- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
+- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
+- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
++ static const char * const types[] = {
++ [_DRM_FRAME_BUFFER] = "FB",
++ [_DRM_REGISTERS] = "REG",
++ [_DRM_SHM] = "SHM",
++ [_DRM_AGP] = "AGP",
++ [_DRM_SCATTER_GATHER] = "SG",
++ [_DRM_CONSISTENT] = "PCI",
++ [_DRM_GEM] = "GEM" };
+ const char *type;
+ int i;
+
+@@ -89,7 +93,7 @@ int drm_vm_info(struct seq_file *m, void *data)
+ map = r_list->map;
+ if (!map)
+ continue;
+- if (map->type < 0 || map->type > 5)
++ if (map->type >= ARRAY_SIZE(types))
+ type = "??";
+ else
+ type = types[map->type];
+@@ -254,7 +258,11 @@ int drm_vma_info(struct seq_file *m, void *data)
+ vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+ vma->vm_flags & VM_LOCKED ? 'l' : '-',
+ vma->vm_flags & VM_IO ? 'i' : '-',
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ 0);
++#else
+ vma->vm_pgoff);
++#endif
+
+ #if defined(__i386__)
+ pgprot = pgprot_val(vma->vm_page_prot);
+diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
+index 637fcc3..e890b33 100644
+--- a/drivers/gpu/drm/drm_ioc32.c
++++ b/drivers/gpu/drm/drm_ioc32.c
+@@ -457,7 +457,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd,
+ request = compat_alloc_user_space(nbytes);
+ if (!access_ok(VERIFY_WRITE, request, nbytes))
+ return -EFAULT;
+- list = (struct drm_buf_desc *) (request + 1);
++ list = (struct drm_buf_desc __user *) (request + 1);
+
+ if (__put_user(count, &request->count)
+ || __put_user(list, &request->list))
+@@ -518,7 +518,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
+ request = compat_alloc_user_space(nbytes);
+ if (!access_ok(VERIFY_WRITE, request, nbytes))
+ return -EFAULT;
+- list = (struct drm_buf_pub *) (request + 1);
++ list = (struct drm_buf_pub __user *) (request + 1);
+
+ if (__put_user(count, &request->count)
+ || __put_user(list, &request->list))
+diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
+index 64a62c6..ceab35e 100644
+--- a/drivers/gpu/drm/drm_ioctl.c
++++ b/drivers/gpu/drm/drm_ioctl.c
+@@ -252,7 +252,7 @@ int drm_getstats(struct drm_device *dev, void *data,
+ stats->data[i].value =
+ (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0);
+ else
+- stats->data[i].value = atomic_read(&dev->counts[i]);
++ stats->data[i].value = atomic_read_unchecked(&dev->counts[i]);
+ stats->data[i].type = dev->types[i];
+ }
+
+diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
+index 3203955..c8090af 100644
+--- a/drivers/gpu/drm/drm_lock.c
++++ b/drivers/gpu/drm/drm_lock.c
+@@ -86,7 +86,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
+ if (drm_lock_take(&master->lock, lock->context)) {
+ master->lock.file_priv = file_priv;
+ master->lock.lock_time = jiffies;
+- atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_LOCKS]);
+ break; /* Got lock */
+ }
+
+@@ -157,7 +157,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
+ return -EINVAL;
+ }
+
+- atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_UNLOCKS]);
+
+ if (drm_lock_free(&master->lock, lock->context)) {
+ /* FIXME: Should really bail out here. */
+diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
+index 21bcd4a..8e074e0 100644
+--- a/drivers/gpu/drm/drm_stub.c
++++ b/drivers/gpu/drm/drm_stub.c
+@@ -511,7 +511,7 @@ void drm_unplug_dev(struct drm_device *dev)
+
+ drm_device_set_unplugged(dev);
+
+- if (dev->open_count == 0) {
++ if (local_read(&dev->open_count) == 0) {
+ drm_put_dev(dev);
+ }
+ mutex_unlock(&drm_global_mutex);
+diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
+index 463ec68..f5bd2b5 100644
+--- a/drivers/gpu/drm/i810/i810_dma.c
++++ b/drivers/gpu/drm/i810/i810_dma.c
+@@ -946,8 +946,8 @@ static int i810_dma_vertex(struct drm_device *dev, void *data,
+ dma->buflist[vertex->idx],
+ vertex->discard, vertex->used);
+
+- atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
+- atomic_inc(&dev->counts[_DRM_STAT_DMA]);
++ atomic_add_unchecked(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]);
+ sarea_priv->last_enqueue = dev_priv->counter - 1;
+ sarea_priv->last_dispatch = (int)hw_status[5];
+
+@@ -1107,8 +1107,8 @@ static int i810_dma_mc(struct drm_device *dev, void *data,
+ i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used,
+ mc->last_render);
+
+- atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
+- atomic_inc(&dev->counts[_DRM_STAT_DMA]);
++ atomic_add_unchecked(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
++ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]);
+ sarea_priv->last_enqueue = dev_priv->counter - 1;
+ sarea_priv->last_dispatch = (int)hw_status[5];
+
+diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h
+index 6e0acad..93c8289 100644
+--- a/drivers/gpu/drm/i810/i810_drv.h
++++ b/drivers/gpu/drm/i810/i810_drv.h
+@@ -108,8 +108,8 @@ typedef struct drm_i810_private {
+ int page_flipping;
+
+ wait_queue_head_t irq_queue;
+- atomic_t irq_received;
+- atomic_t irq_emitted;
++ atomic_unchecked_t irq_received;
++ atomic_unchecked_t irq_emitted;
+
+ int front_offset;
+ } drm_i810_private_t;
+diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
+index 359f6e8..ada68fd 100644
+--- a/drivers/gpu/drm/i915/i915_debugfs.c
++++ b/drivers/gpu/drm/i915/i915_debugfs.c
+@@ -518,7 +518,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
+ I915_READ(GTIMR));
+ }
+ seq_printf(m, "Interrupts received: %d\n",
+- atomic_read(&dev_priv->irq_received));
++ atomic_read_unchecked(&dev_priv->irq_received));
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ if (IS_GEN6(dev) || IS_GEN7(dev)) {
+ seq_printf(m, "Graphics Interrupt mask (%s): %08x\n",
+diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
+index 914c0df..d47d380 100644
+--- a/drivers/gpu/drm/i915/i915_dma.c
++++ b/drivers/gpu/drm/i915/i915_dma.c
+@@ -1269,7 +1269,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
+ bool can_switch;
+
+ spin_lock(&dev->count_lock);
+- can_switch = (dev->open_count == 0);
++ can_switch = (local_read(&dev->open_count) == 0);
+ spin_unlock(&dev->count_lock);
+ return can_switch;
+ }
+diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
+index 627fe35..c9a7346 100644
+--- a/drivers/gpu/drm/i915/i915_drv.h
++++ b/drivers/gpu/drm/i915/i915_drv.h
+@@ -272,12 +272,12 @@ struct drm_i915_display_funcs {
+ /* render clock increase/decrease */
+ /* display clock increase/decrease */
+ /* pll clock increase/decrease */
+-};
++} __no_const;
+
+ struct drm_i915_gt_funcs {
+ void (*force_wake_get)(struct drm_i915_private *dev_priv);
+ void (*force_wake_put)(struct drm_i915_private *dev_priv);
+-};
++} __no_const;
+
+ struct intel_device_info {
+ u8 gen;
+@@ -408,7 +408,7 @@ typedef struct drm_i915_private {
+ int current_page;
+ int page_flipping;
+
+- atomic_t irq_received;
++ atomic_unchecked_t irq_received;
+
+ /* protects the irq masks */
+ spinlock_t irq_lock;
+@@ -1014,7 +1014,7 @@ struct drm_i915_gem_object {
+ * will be page flipped away on the next vblank. When it
+ * reaches 0, dev_priv->pending_flip_queue will be woken up.
+ */
+- atomic_t pending_flip;
++ atomic_unchecked_t pending_flip;
+ };
+
+ #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
+@@ -1482,7 +1482,7 @@ extern struct i2c_adapter *intel_gmbus_get_adapter(
+ struct drm_i915_private *dev_priv, unsigned port);
+ extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
+ extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
+-extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
++static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
+ {
+ return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
+ }
+diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+index cdf46b5..e785624 100644
+--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
++++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+@@ -189,7 +189,7 @@ i915_gem_object_set_to_gpu_domain(struct drm_i915_gem_object *obj,
+ i915_gem_clflush_object(obj);
+
+ if (obj->base.pending_write_domain)
+- cd->flips |= atomic_read(&obj->pending_flip);
++ cd->flips |= atomic_read_unchecked(&obj->pending_flip);
+
+ /* The actual obj->write_domain will be updated with
+ * pending_write_domain after we emit the accumulated flush for all
+@@ -907,9 +907,9 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec)
+
+ static int
+ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
+- int count)
++ unsigned int count)
+ {
+- int i;
++ unsigned int i;
+
+ for (i = 0; i < count; i++) {
+ char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr;
+diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
+index 73fa3e1..ab2e9b9 100644
+--- a/drivers/gpu/drm/i915/i915_irq.c
++++ b/drivers/gpu/drm/i915/i915_irq.c
+@@ -514,7 +514,7 @@ static irqreturn_t valleyview_irq_handler(DRM_IRQ_ARGS)
+ u32 pipe_stats[I915_MAX_PIPES];
+ bool blc_event;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ while (true) {
+ iir = I915_READ(VLV_IIR);
+@@ -661,7 +661,7 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
+ irqreturn_t ret = IRQ_NONE;
+ int i;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ /* disable master interrupt before clearing iir */
+ de_ier = I915_READ(DEIER);
+@@ -736,7 +736,7 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
+ u32 de_iir, gt_iir, de_ier, pch_iir, pm_iir;
+ u32 hotplug_mask;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ /* disable master interrupt before clearing iir */
+ de_ier = I915_READ(DEIER);
+@@ -1717,7 +1717,7 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
+ {
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+- atomic_set(&dev_priv->irq_received, 0);
++ atomic_set_unchecked(&dev_priv->irq_received, 0);
+
+ I915_WRITE(HWSTAM, 0xeffe);
+
+@@ -1743,7 +1743,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int pipe;
+
+- atomic_set(&dev_priv->irq_received, 0);
++ atomic_set_unchecked(&dev_priv->irq_received, 0);
+
+ /* VLV magic */
+ I915_WRITE(VLV_IMR, 0);
+@@ -2048,7 +2048,7 @@ static void i8xx_irq_preinstall(struct drm_device * dev)
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int pipe;
+
+- atomic_set(&dev_priv->irq_received, 0);
++ atomic_set_unchecked(&dev_priv->irq_received, 0);
+
+ for_each_pipe(pipe)
+ I915_WRITE(PIPESTAT(pipe), 0);
+@@ -2099,7 +2099,7 @@ static irqreturn_t i8xx_irq_handler(DRM_IRQ_ARGS)
+ I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
+ I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ iir = I915_READ16(IIR);
+ if (iir == 0)
+@@ -2184,7 +2184,7 @@ static void i915_irq_preinstall(struct drm_device * dev)
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int pipe;
+
+- atomic_set(&dev_priv->irq_received, 0);
++ atomic_set_unchecked(&dev_priv->irq_received, 0);
+
+ if (I915_HAS_HOTPLUG(dev)) {
+ I915_WRITE(PORT_HOTPLUG_EN, 0);
+@@ -2279,7 +2279,7 @@ static irqreturn_t i915_irq_handler(DRM_IRQ_ARGS)
+ };
+ int pipe, ret = IRQ_NONE;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ iir = I915_READ(IIR);
+ do {
+@@ -2405,7 +2405,7 @@ static void i965_irq_preinstall(struct drm_device * dev)
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int pipe;
+
+- atomic_set(&dev_priv->irq_received, 0);
++ atomic_set_unchecked(&dev_priv->irq_received, 0);
+
+ I915_WRITE(PORT_HOTPLUG_EN, 0);
+ I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
+@@ -2512,7 +2512,7 @@ static irqreturn_t i965_irq_handler(DRM_IRQ_ARGS)
+ int irq_received;
+ int ret = IRQ_NONE, pipe;
+
+- atomic_inc(&dev_priv->irq_received);
++ atomic_inc_unchecked(&dev_priv->irq_received);
+
+ iir = I915_READ(IIR);
+
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index b634f6f..43c62f5 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -2182,7 +2182,7 @@ intel_finish_fb(struct drm_framebuffer *old_fb)
+
+ wait_event(dev_priv->pending_flip_queue,
+ atomic_read(&dev_priv->mm.wedged) ||
+- atomic_read(&obj->pending_flip) == 0);
++ atomic_read_unchecked(&obj->pending_flip) == 0);
+
+ /* Big Hammer, we also need to ensure that any pending
+ * MI_WAIT_FOR_EVENT inside a user batch buffer on the
+@@ -6168,8 +6168,7 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
+
+ obj = work->old_fb_obj;
+
+- atomic_clear_mask(1 << intel_crtc->plane,
+- &obj->pending_flip.counter);
++ atomic_clear_mask_unchecked(1 << intel_crtc->plane, &obj->pending_flip);
+
+ wake_up(&dev_priv->pending_flip_queue);
+ schedule_work(&work->work);
+@@ -6515,7 +6514,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
+ /* Block clients from rendering to the new back buffer until
+ * the flip occurs and the object is no longer visible.
+ */
+- atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
++ atomic_add_unchecked(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
+
+ ret = dev_priv->display.queue_flip(dev, crtc, fb, obj);
+ if (ret)
+@@ -6530,7 +6529,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
+ return 0;
+
+ cleanup_pending:
+- atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
++ atomic_sub_unchecked(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
+ drm_gem_object_unreference(&work->old_fb_obj->base);
+ drm_gem_object_unreference(&obj->base);
+ mutex_unlock(&dev->struct_mutex);
+diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
+index 54558a0..2d97005 100644
+--- a/drivers/gpu/drm/mga/mga_drv.h
++++ b/drivers/gpu/drm/mga/mga_drv.h
+@@ -120,9 +120,9 @@ typedef struct drm_mga_private {
+ u32 clear_cmd;
+ u32 maccess;
+
+- atomic_t vbl_received; /**< Number of vblanks received. */
++ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */
+ wait_queue_head_t fence_queue;
+- atomic_t last_fence_retired;
++ atomic_unchecked_t last_fence_retired;
+ u32 next_fence_to_post;
+
+ unsigned int fb_cpp;
+diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
+index 2581202..f230a8d9 100644
+--- a/drivers/gpu/drm/mga/mga_irq.c
++++ b/drivers/gpu/drm/mga/mga_irq.c
+@@ -44,7 +44,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
+ if (crtc != 0)
+ return 0;
+
+- return atomic_read(&dev_priv->vbl_received);
++ return atomic_read_unchecked(&dev_priv->vbl_received);
+ }
+
+
+@@ -60,7 +60,7 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
+ /* VBLANK interrupt */
+ if (status & MGA_VLINEPEN) {
+ MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
+- atomic_inc(&dev_priv->vbl_received);
++ atomic_inc_unchecked(&dev_priv->vbl_received);
+ drm_handle_vblank(dev, 0);
+ handled = 1;
+ }
+@@ -79,7 +79,7 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
+ if ((prim_start & ~0x03) != (prim_end & ~0x03))
+ MGA_WRITE(MGA_PRIMEND, prim_end);
+
+- atomic_inc(&dev_priv->last_fence_retired);
++ atomic_inc_unchecked(&dev_priv->last_fence_retired);
+ DRM_WAKEUP(&dev_priv->fence_queue);
+ handled = 1;
+ }
+@@ -130,7 +130,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence)
+ * using fences.
+ */
+ DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * DRM_HZ,
+- (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
++ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired))
+ - *sequence) <= (1 << 23)));
+
+ *sequence = cur_fence;
+diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
+index a0a3fe3..209bf10 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
++++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
+@@ -5340,7 +5340,7 @@ parse_bit_U_tbl_entry(struct drm_device *dev, struct nvbios *bios,
+ struct bit_table {
+ const char id;
+ int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *);
+-};
++} __no_const;
+
+ #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry })
+
+diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
+index 4f2cc95..9c6c510 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
++++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
+@@ -302,7 +302,7 @@ struct nouveau_exec_engine {
+ u32 handle, u16 class);
+ void (*set_tile_region)(struct drm_device *dev, int i);
+ void (*tlb_flush)(struct drm_device *, int engine);
+-};
++} __no_const;
+
+ struct nouveau_instmem_engine {
+ void *priv;
+@@ -324,13 +324,13 @@ struct nouveau_instmem_engine {
+ struct nouveau_mc_engine {
+ int (*init)(struct drm_device *dev);
+ void (*takedown)(struct drm_device *dev);
+-};
++} __no_const;
+
+ struct nouveau_timer_engine {
+ int (*init)(struct drm_device *dev);
+ void (*takedown)(struct drm_device *dev);
+ uint64_t (*read)(struct drm_device *dev);
+-};
++} __no_const;
+
+ struct nouveau_fb_engine {
+ int num_tiles;
+@@ -547,7 +547,7 @@ struct nouveau_vram_engine {
+ void (*put)(struct drm_device *, struct nouveau_mem **);
+
+ bool (*flags_valid)(struct drm_device *, u32 tile_flags);
+-};
++} __no_const;
+
+ struct nouveau_engine {
+ struct nouveau_instmem_engine instmem;
+@@ -693,7 +693,7 @@ struct drm_nouveau_private {
+ struct drm_global_reference mem_global_ref;
+ struct ttm_bo_global_ref bo_global_ref;
+ struct ttm_bo_device bdev;
+- atomic_t validate_sequence;
++ atomic_unchecked_t validate_sequence;
+ int (*move)(struct nouveau_channel *,
+ struct ttm_buffer_object *,
+ struct ttm_mem_reg *, struct ttm_mem_reg *);
+diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
+index af7cfb8..aadc2a3 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
++++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
+@@ -318,7 +318,7 @@ validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
+ int trycnt = 0;
+ int ret, i;
+
+- sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
++ sequence = atomic_add_return_unchecked(1, &dev_priv->ttm.validate_sequence);
+ retry:
+ if (++trycnt > 100000) {
+ NV_ERROR(dev, "%s failed and gave up.\n", __func__);
+diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
+index f5e9584..05934ba 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_state.c
++++ b/drivers/gpu/drm/nouveau/nouveau_state.c
+@@ -492,7 +492,7 @@ static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
+ bool can_switch;
+
+ spin_lock(&dev->count_lock);
+- can_switch = (dev->open_count == 0);
++ can_switch = (local_read(&dev->open_count) == 0);
+ spin_unlock(&dev->count_lock);
+ return can_switch;
+ }
+diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
+index 93240bd..c490f60 100644
+--- a/drivers/gpu/drm/nouveau/nv50_sor.c
++++ b/drivers/gpu/drm/nouveau/nv50_sor.c
+@@ -304,7 +304,7 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
+ }
+
+ if (nv_encoder->dcb->type == OUTPUT_DP) {
+- struct dp_train_func func = {
++ static struct dp_train_func func = {
+ .link_set = nv50_sor_dp_link_set,
+ .train_set = nv50_sor_dp_train_set,
+ .train_adj = nv50_sor_dp_train_adj
+diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
+index 8a2fc89..3a5cf40 100644
+--- a/drivers/gpu/drm/nouveau/nvd0_display.c
++++ b/drivers/gpu/drm/nouveau/nvd0_display.c
+@@ -1367,7 +1367,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
+ nv_wait(dev, 0x61c030 + (or * 0x0800), 0x10000000, 0x00000000);
+
+ if (nv_encoder->dcb->type == OUTPUT_DP) {
+- struct dp_train_func func = {
++ static struct dp_train_func func = {
+ .link_set = nvd0_sor_dp_link_set,
+ .train_set = nvd0_sor_dp_train_set,
+ .train_adj = nvd0_sor_dp_train_adj
+diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
+index bcac90b..53bfc76 100644
+--- a/drivers/gpu/drm/r128/r128_cce.c
++++ b/drivers/gpu/drm/r128/r128_cce.c
+@@ -378,7 +378,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init)
+
+ /* GH: Simple idle check.
+ */
+- atomic_set(&dev_priv->idle_count, 0);
++ atomic_set_unchecked(&dev_priv->idle_count, 0);
+
+ /* We don't support anything other than bus-mastering ring mode,
+ * but the ring can be in either AGP or PCI space for the ring
+diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
+index 930c71b..499aded 100644
+--- a/drivers/gpu/drm/r128/r128_drv.h
++++ b/drivers/gpu/drm/r128/r128_drv.h
+@@ -90,14 +90,14 @@ typedef struct drm_r128_private {
+ int is_pci;
+ unsigned long cce_buffers_offset;
+
+- atomic_t idle_count;
++ atomic_unchecked_t idle_count;
+
+ int page_flipping;
+ int current_page;
+ u32 crtc_offset;
+ u32 crtc_offset_cntl;
+
+- atomic_t vbl_received;
++ atomic_unchecked_t vbl_received;
+
+ u32 color_fmt;
+ unsigned int front_offset;
+diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c
+index 429d5a0..7e899ed 100644
+--- a/drivers/gpu/drm/r128/r128_irq.c
++++ b/drivers/gpu/drm/r128/r128_irq.c
+@@ -42,7 +42,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
+ if (crtc != 0)
+ return 0;
+
+- return atomic_read(&dev_priv->vbl_received);
++ return atomic_read_unchecked(&dev_priv->vbl_received);
+ }
+
+ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
+@@ -56,7 +56,7 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
+ /* VBLANK interrupt */
+ if (status & R128_CRTC_VBLANK_INT) {
+ R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
+- atomic_inc(&dev_priv->vbl_received);
++ atomic_inc_unchecked(&dev_priv->vbl_received);
+ drm_handle_vblank(dev, 0);
+ return IRQ_HANDLED;
+ }
+diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c
+index a9e33ce..09edd4b 100644
+--- a/drivers/gpu/drm/r128/r128_state.c
++++ b/drivers/gpu/drm/r128/r128_state.c
+@@ -321,10 +321,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv,
+
+ static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv)
+ {
+- if (atomic_read(&dev_priv->idle_count) == 0)
++ if (atomic_read_unchecked(&dev_priv->idle_count) == 0)
+ r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
+ else
+- atomic_set(&dev_priv->idle_count, 0);
++ atomic_set_unchecked(&dev_priv->idle_count, 0);
+ }
+
+ #endif
+diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
+index 5a82b6b..9e69c73 100644
+--- a/drivers/gpu/drm/radeon/mkregtable.c
++++ b/drivers/gpu/drm/radeon/mkregtable.c
+@@ -637,14 +637,14 @@ static int parser_auth(struct table *t, const char *filename)
+ regex_t mask_rex;
+ regmatch_t match[4];
+ char buf[1024];
+- size_t end;
++ long end;
+ int len;
+ int done = 0;
+ int r;
+ unsigned o;
+ struct offset *offset;
+ char last_reg_s[10];
+- int last_reg;
++ unsigned long last_reg;
+
+ if (regcomp
+ (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) {
+diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
+index 59a1531..3bab49b 100644
+--- a/drivers/gpu/drm/radeon/radeon.h
++++ b/drivers/gpu/drm/radeon/radeon.h
+@@ -711,7 +711,7 @@ struct r600_blit_cp_primitives {
+ int x2, int y2);
+ void (*draw_auto)(struct radeon_device *rdev);
+ void (*set_default_state)(struct radeon_device *rdev);
+-};
++} __no_const;
+
+ struct r600_blit {
+ struct radeon_bo *shader_obj;
+@@ -1216,7 +1216,7 @@ struct radeon_asic {
+ u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
+ void (*post_page_flip)(struct radeon_device *rdev, int crtc);
+ } pflip;
+-};
++} __no_const;
+
+ /*
+ * Asic structures
+diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
+index 7a3daeb..5016171 100644
+--- a/drivers/gpu/drm/radeon/radeon_device.c
++++ b/drivers/gpu/drm/radeon/radeon_device.c
+@@ -952,7 +952,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev)
+ bool can_switch;
+
+ spin_lock(&dev->count_lock);
+- can_switch = (dev->open_count == 0);
++ can_switch = (local_read(&dev->open_count) == 0);
+ spin_unlock(&dev->count_lock);
+ return can_switch;
+ }
+diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
+index a1b59ca..86f2d44 100644
+--- a/drivers/gpu/drm/radeon/radeon_drv.h
++++ b/drivers/gpu/drm/radeon/radeon_drv.h
+@@ -255,7 +255,7 @@ typedef struct drm_radeon_private {
+
+ /* SW interrupt */
+ wait_queue_head_t swi_queue;
+- atomic_t swi_emitted;
++ atomic_unchecked_t swi_emitted;
+ int vblank_crtc;
+ uint32_t irq_enable_reg;
+ uint32_t r500_disp_irq_reg;
+diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c
+index 48b7cea..342236f 100644
+--- a/drivers/gpu/drm/radeon/radeon_ioc32.c
++++ b/drivers/gpu/drm/radeon/radeon_ioc32.c
+@@ -359,7 +359,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
+ request = compat_alloc_user_space(sizeof(*request));
+ if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+ || __put_user(req32.param, &request->param)
+- || __put_user((void __user *)(unsigned long)req32.value,
++ || __put_user((unsigned long)req32.value,
+ &request->value))
+ return -EFAULT;
+
+diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
+index 00da384..32f972d 100644
+--- a/drivers/gpu/drm/radeon/radeon_irq.c
++++ b/drivers/gpu/drm/radeon/radeon_irq.c
+@@ -225,8 +225,8 @@ static int radeon_emit_irq(struct drm_device * dev)
+ unsigned int ret;
+ RING_LOCALS;
+
+- atomic_inc(&dev_priv->swi_emitted);
+- ret = atomic_read(&dev_priv->swi_emitted);
++ atomic_inc_unchecked(&dev_priv->swi_emitted);
++ ret = atomic_read_unchecked(&dev_priv->swi_emitted);
+
+ BEGIN_RING(4);
+ OUT_RING_REG(RADEON_LAST_SWI_REG, ret);
+@@ -352,7 +352,7 @@ int radeon_driver_irq_postinstall(struct drm_device *dev)
+ drm_radeon_private_t *dev_priv =
+ (drm_radeon_private_t *) dev->dev_private;
+
+- atomic_set(&dev_priv->swi_emitted, 0);
++ atomic_set_unchecked(&dev_priv->swi_emitted, 0);
+ DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
+
+ dev->max_vblank_count = 0x001fffff;
+diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
+index e8422ae..d22d4a8 100644
+--- a/drivers/gpu/drm/radeon/radeon_state.c
++++ b/drivers/gpu/drm/radeon/radeon_state.c
+@@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *
+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
+ sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
+
+- if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
++ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
+ sarea_priv->nbox * sizeof(depth_boxes[0])))
+ return -EFAULT;
+
+@@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil
+ {
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_getparam_t *param = data;
+- int value;
++ int value = 0;
+
+ DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
+
+diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
+index 5b71c71..650f9e4 100644
+--- a/drivers/gpu/drm/radeon/radeon_ttm.c
++++ b/drivers/gpu/drm/radeon/radeon_ttm.c
+@@ -822,8 +822,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
+ }
+ if (unlikely(ttm_vm_ops == NULL)) {
+ ttm_vm_ops = vma->vm_ops;
+- radeon_ttm_vm_ops = *ttm_vm_ops;
+- radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
++ pax_open_kernel();
++ memcpy((void *)&radeon_ttm_vm_ops, ttm_vm_ops, sizeof(radeon_ttm_vm_ops));
++ *(void **)&radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
++ pax_close_kernel();
+ }
+ vma->vm_ops = &radeon_ttm_vm_ops;
+ return 0;
+diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
+index 3b663fc..57850f4 100644
+--- a/drivers/gpu/drm/radeon/rs690.c
++++ b/drivers/gpu/drm/radeon/rs690.c
+@@ -304,9 +304,11 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
+ if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
+ rdev->pm.sideport_bandwidth.full)
+ rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
+- read_delay_latency.full = dfixed_const(370 * 800 * 1000);
++ read_delay_latency.full = dfixed_const(800 * 1000);
+ read_delay_latency.full = dfixed_div(read_delay_latency,
+ rdev->pm.igp_sideport_mclk);
++ a.full = dfixed_const(370);
++ read_delay_latency.full = dfixed_mul(read_delay_latency, a);
+ } else {
+ if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
+ rdev->pm.k8_bandwidth.full)
+diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
+index ebc6fac..a8313ed 100644
+--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
++++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
+@@ -394,9 +394,9 @@ static int ttm_pool_get_num_unused_pages(void)
+ static int ttm_pool_mm_shrink(struct shrinker *shrink,
+ struct shrink_control *sc)
+ {
+- static atomic_t start_pool = ATOMIC_INIT(0);
++ static atomic_unchecked_t start_pool = ATOMIC_INIT(0);
+ unsigned i;
+- unsigned pool_offset = atomic_add_return(1, &start_pool);
++ unsigned pool_offset = atomic_add_return_unchecked(1, &start_pool);
+ struct ttm_page_pool *pool;
+ int shrink_pages = sc->nr_to_scan;
+
+diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
+index 88edacc..1e5412b 100644
+--- a/drivers/gpu/drm/via/via_drv.h
++++ b/drivers/gpu/drm/via/via_drv.h
+@@ -51,7 +51,7 @@ typedef struct drm_via_ring_buffer {
+ typedef uint32_t maskarray_t[5];
+
+ typedef struct drm_via_irq {
+- atomic_t irq_received;
++ atomic_unchecked_t irq_received;
+ uint32_t pending_mask;
+ uint32_t enable_mask;
+ wait_queue_head_t irq_queue;
+@@ -75,7 +75,7 @@ typedef struct drm_via_private {
+ struct timeval last_vblank;
+ int last_vblank_valid;
+ unsigned usec_per_vblank;
+- atomic_t vbl_received;
++ atomic_unchecked_t vbl_received;
+ drm_via_state_t hc_state;
+ char pci_buf[VIA_PCI_BUF_SIZE];
+ const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
+diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
+index d391f48..10c8ca3 100644
+--- a/drivers/gpu/drm/via/via_irq.c
++++ b/drivers/gpu/drm/via/via_irq.c
+@@ -102,7 +102,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
+ if (crtc != 0)
+ return 0;
+
+- return atomic_read(&dev_priv->vbl_received);
++ return atomic_read_unchecked(&dev_priv->vbl_received);
+ }
+
+ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
+@@ -117,8 +117,8 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
+
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ if (status & VIA_IRQ_VBLANK_PENDING) {
+- atomic_inc(&dev_priv->vbl_received);
+- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
++ atomic_inc_unchecked(&dev_priv->vbl_received);
++ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) {
+ do_gettimeofday(&cur_vblank);
+ if (dev_priv->last_vblank_valid) {
+ dev_priv->usec_per_vblank =
+@@ -128,7 +128,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
+ dev_priv->last_vblank = cur_vblank;
+ dev_priv->last_vblank_valid = 1;
+ }
+- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
++ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) {
+ DRM_DEBUG("US per vblank is: %u\n",
+ dev_priv->usec_per_vblank);
+ }
+@@ -138,7 +138,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
+
+ for (i = 0; i < dev_priv->num_irqs; ++i) {
+ if (status & cur_irq->pending_mask) {
+- atomic_inc(&cur_irq->irq_received);
++ atomic_inc_unchecked(&cur_irq->irq_received);
+ DRM_WAKEUP(&cur_irq->irq_queue);
+ handled = 1;
+ if (dev_priv->irq_map[drm_via_irq_dma0_td] == i)
+@@ -243,11 +243,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence
+ DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
+ ((VIA_READ(masks[irq][2]) & masks[irq][3]) ==
+ masks[irq][4]));
+- cur_irq_sequence = atomic_read(&cur_irq->irq_received);
++ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received);
+ } else {
+ DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
+ (((cur_irq_sequence =
+- atomic_read(&cur_irq->irq_received)) -
++ atomic_read_unchecked(&cur_irq->irq_received)) -
+ *sequence) <= (1 << 23)));
+ }
+ *sequence = cur_irq_sequence;
+@@ -285,7 +285,7 @@ void via_driver_irq_preinstall(struct drm_device *dev)
+ }
+
+ for (i = 0; i < dev_priv->num_irqs; ++i) {
+- atomic_set(&cur_irq->irq_received, 0);
++ atomic_set_unchecked(&cur_irq->irq_received, 0);
+ cur_irq->enable_mask = dev_priv->irq_masks[i][0];
+ cur_irq->pending_mask = dev_priv->irq_masks[i][1];
+ DRM_INIT_WAITQUEUE(&cur_irq->irq_queue);
+@@ -367,7 +367,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
+ switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) {
+ case VIA_IRQ_RELATIVE:
+ irqwait->request.sequence +=
+- atomic_read(&cur_irq->irq_received);
++ atomic_read_unchecked(&cur_irq->irq_received);
+ irqwait->request.type &= ~_DRM_VBLANK_RELATIVE;
+ case VIA_IRQ_ABSOLUTE:
+ break;
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+index 29c984f..4084f1a 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+@@ -263,7 +263,7 @@ struct vmw_private {
+ * Fencing and IRQs.
+ */
+
+- atomic_t marker_seq;
++ atomic_unchecked_t marker_seq;
+ wait_queue_head_t fence_queue;
+ wait_queue_head_t fifo_queue;
+ int fence_queue_waiters; /* Protected by hw_mutex */
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+index a0c2f12..68ae6cb 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+@@ -137,7 +137,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
+ (unsigned int) min,
+ (unsigned int) fifo->capabilities);
+
+- atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno);
++ atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno);
+ iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE);
+ vmw_marker_queue_init(&fifo->marker_queue);
+ return vmw_fifo_send_fence(dev_priv, &dummy);
+@@ -355,7 +355,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
+ if (reserveable)
+ iowrite32(bytes, fifo_mem +
+ SVGA_FIFO_RESERVED);
+- return fifo_mem + (next_cmd >> 2);
++ return (__le32 __force_kernel *)fifo_mem + (next_cmd >> 2);
+ } else {
+ need_bounce = true;
+ }
+@@ -475,7 +475,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
+
+ fm = vmw_fifo_reserve(dev_priv, bytes);
+ if (unlikely(fm == NULL)) {
+- *seqno = atomic_read(&dev_priv->marker_seq);
++ *seqno = atomic_read_unchecked(&dev_priv->marker_seq);
+ ret = -ENOMEM;
+ (void)vmw_fallback_wait(dev_priv, false, true, *seqno,
+ false, 3*HZ);
+@@ -483,7 +483,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
+ }
+
+ do {
+- *seqno = atomic_add_return(1, &dev_priv->marker_seq);
++ *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq);
+ } while (*seqno == 0);
+
+ if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) {
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+index cabc95f..14b3d77 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+@@ -107,7 +107,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv,
+ * emitted. Then the fence is stale and signaled.
+ */
+
+- ret = ((atomic_read(&dev_priv->marker_seq) - seqno)
++ ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno)
+ > VMW_FENCE_WRAP);
+
+ return ret;
+@@ -138,7 +138,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
+
+ if (fifo_idle)
+ down_read(&fifo_state->rwsem);
+- signal_seq = atomic_read(&dev_priv->marker_seq);
++ signal_seq = atomic_read_unchecked(&dev_priv->marker_seq);
+ ret = 0;
+
+ for (;;) {
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
+index 8a8725c..afed796 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
+@@ -151,7 +151,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv,
+ while (!vmw_lag_lt(queue, us)) {
+ spin_lock(&queue->lock);
+ if (list_empty(&queue->head))
+- seqno = atomic_read(&dev_priv->marker_seq);
++ seqno = atomic_read_unchecked(&dev_priv->marker_seq);
+ else {
+ marker = list_first_entry(&queue->head,
+ struct vmw_marker, head);
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 5de3bb3..08e5063 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -2177,7 +2177,7 @@ static bool hid_ignore(struct hid_device *hdev)
+
+ int hid_add_device(struct hid_device *hdev)
+ {
+- static atomic_t id = ATOMIC_INIT(0);
++ static atomic_unchecked_t id = ATOMIC_INIT(0);
+ int ret;
+
+ if (WARN_ON(hdev->status & HID_STAT_ADDED))
+@@ -2212,7 +2212,7 @@ int hid_add_device(struct hid_device *hdev)
+ /* XXX hack, any other cleaner solution after the driver core
+ * is converted to allow more than 20 bytes as the device name? */
+ dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
+- hdev->vendor, hdev->product, atomic_inc_return(&id));
++ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id));
+
+ hid_debug_register(hdev, dev_name(&hdev->dev));
+ ret = device_add(&hdev->dev);
+diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
+index eec3291..8ed706b 100644
+--- a/drivers/hid/hid-wiimote-debug.c
++++ b/drivers/hid/hid-wiimote-debug.c
+@@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
+ else if (size == 0)
+ return -EIO;
+
+- if (copy_to_user(u, buf, size))
++ if (size > sizeof(buf) || copy_to_user(u, buf, size))
+ return -EFAULT;
+
+ *off += size;
+diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
+index 14599e2..711c965 100644
+--- a/drivers/hid/usbhid/hiddev.c
++++ b/drivers/hid/usbhid/hiddev.c
+@@ -625,7 +625,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ break;
+
+ case HIDIOCAPPLICATION:
+- if (arg < 0 || arg >= hid->maxapplication)
++ if (arg >= hid->maxapplication)
+ break;
+
+ for (i = 0; i < hid->maxcollection; i++)
+diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
+index f4c3d28..82f45a9 100644
+--- a/drivers/hv/channel.c
++++ b/drivers/hv/channel.c
+@@ -402,8 +402,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
+ int ret = 0;
+ int t;
+
+- next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle);
+- atomic_inc(&vmbus_connection.next_gpadl_handle);
++ next_gpadl_handle = atomic_read_unchecked(&vmbus_connection.next_gpadl_handle);
++ atomic_inc_unchecked(&vmbus_connection.next_gpadl_handle);
+
+ ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount);
+ if (ret)
+diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
+index 86f8885..ab9cb2b 100644
+--- a/drivers/hv/hv.c
++++ b/drivers/hv/hv.c
+@@ -132,7 +132,7 @@ static u64 do_hypercall(u64 control, void *input, void *output)
+ u64 output_address = (output) ? virt_to_phys(output) : 0;
+ u32 output_address_hi = output_address >> 32;
+ u32 output_address_lo = output_address & 0xFFFFFFFF;
+- void *hypercall_page = hv_context.hypercall_page;
++ void *hypercall_page = ktva_ktla(hv_context.hypercall_page);
+
+ __asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi),
+ "=a"(hv_status_lo) : "d" (control_hi),
+diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
+index 0614ff3..f0b2b5c 100644
+--- a/drivers/hv/hyperv_vmbus.h
++++ b/drivers/hv/hyperv_vmbus.h
+@@ -555,7 +555,7 @@ enum vmbus_connect_state {
+ struct vmbus_connection {
+ enum vmbus_connect_state conn_state;
+
+- atomic_t next_gpadl_handle;
++ atomic_unchecked_t next_gpadl_handle;
+
+ /*
+ * Represents channel interrupts. Each bit position represents a
+diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
+index 4748086..3abf845 100644
+--- a/drivers/hv/vmbus_drv.c
++++ b/drivers/hv/vmbus_drv.c
+@@ -662,10 +662,10 @@ int vmbus_device_register(struct hv_device *child_device_obj)
+ {
+ int ret = 0;
+
+- static atomic_t device_num = ATOMIC_INIT(0);
++ static atomic_unchecked_t device_num = ATOMIC_INIT(0);
+
+ dev_set_name(&child_device_obj->device, "vmbus_0_%d",
+- atomic_inc_return(&device_num));
++ atomic_inc_return_unchecked(&device_num));
+
+ child_device_obj->device.bus = &hv_bus;
+ child_device_obj->device.parent = &hv_acpi_dev->dev;
+diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
+index 8b011d0..3de24a1 100644
+--- a/drivers/hwmon/sht15.c
++++ b/drivers/hwmon/sht15.c
+@@ -166,7 +166,7 @@ struct sht15_data {
+ int supply_uV;
+ bool supply_uV_valid;
+ struct work_struct update_supply_work;
+- atomic_t interrupt_handled;
++ atomic_unchecked_t interrupt_handled;
+ };
+
+ /**
+@@ -509,13 +509,13 @@ static int sht15_measurement(struct sht15_data *data,
+ return ret;
+
+ gpio_direction_input(data->pdata->gpio_data);
+- atomic_set(&data->interrupt_handled, 0);
++ atomic_set_unchecked(&data->interrupt_handled, 0);
+
+ enable_irq(gpio_to_irq(data->pdata->gpio_data));
+ if (gpio_get_value(data->pdata->gpio_data) == 0) {
+ disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));
+ /* Only relevant if the interrupt hasn't occurred. */
+- if (!atomic_read(&data->interrupt_handled))
++ if (!atomic_read_unchecked(&data->interrupt_handled))
+ schedule_work(&data->read_work);
+ }
+ ret = wait_event_timeout(data->wait_queue,
+@@ -782,7 +782,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d)
+
+ /* First disable the interrupt */
+ disable_irq_nosync(irq);
+- atomic_inc(&data->interrupt_handled);
++ atomic_inc_unchecked(&data->interrupt_handled);
+ /* Then schedule a reading work struct */
+ if (data->state != SHT15_READING_NOTHING)
+ schedule_work(&data->read_work);
+@@ -804,11 +804,11 @@ static void sht15_bh_read_data(struct work_struct *work_s)
+ * If not, then start the interrupt again - care here as could
+ * have gone low in meantime so verify it hasn't!
+ */
+- atomic_set(&data->interrupt_handled, 0);
++ atomic_set_unchecked(&data->interrupt_handled, 0);
+ enable_irq(gpio_to_irq(data->pdata->gpio_data));
+ /* If still not occurred or another handler was scheduled */
+ if (gpio_get_value(data->pdata->gpio_data)
+- || atomic_read(&data->interrupt_handled))
++ || atomic_read_unchecked(&data->interrupt_handled))
+ return;
+ }
+
+diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
+index 378fcb5..5e91fa8 100644
+--- a/drivers/i2c/busses/i2c-amd756-s4882.c
++++ b/drivers/i2c/busses/i2c-amd756-s4882.c
+@@ -43,7 +43,7 @@
+ extern struct i2c_adapter amd756_smbus;
+
+ static struct i2c_adapter *s4882_adapter;
+-static struct i2c_algorithm *s4882_algo;
++static i2c_algorithm_no_const *s4882_algo;
+
+ /* Wrapper access functions for multiplexed SMBus */
+ static DEFINE_MUTEX(amd756_lock);
+diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c
+index 29015eb..af2d8e9 100644
+--- a/drivers/i2c/busses/i2c-nforce2-s4985.c
++++ b/drivers/i2c/busses/i2c-nforce2-s4985.c
+@@ -41,7 +41,7 @@
+ extern struct i2c_adapter *nforce2_smbus;
+
+ static struct i2c_adapter *s4985_adapter;
+-static struct i2c_algorithm *s4985_algo;
++static i2c_algorithm_no_const *s4985_algo;
+
+ /* Wrapper access functions for multiplexed SMBus */
+ static DEFINE_MUTEX(nforce2_lock);
+diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
+index 1038c38..eb92f51 100644
+--- a/drivers/i2c/i2c-mux.c
++++ b/drivers/i2c/i2c-mux.c
+@@ -30,7 +30,7 @@
+ /* multiplexer per channel data */
+ struct i2c_mux_priv {
+ struct i2c_adapter adap;
+- struct i2c_algorithm algo;
++ i2c_algorithm_no_const algo;
+
+ struct i2c_adapter *parent;
+ void *mux_priv; /* the mux chip/device */
+diff --git a/drivers/ide/aec62xx.c b/drivers/ide/aec62xx.c
+index 57d00ca..0145194 100644
+--- a/drivers/ide/aec62xx.c
++++ b/drivers/ide/aec62xx.c
+@@ -181,7 +181,7 @@ static const struct ide_port_ops atp86x_port_ops = {
+ .cable_detect = atp86x_cable_detect,
+ };
+
+-static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
++static const struct ide_port_info aec62xx_chipsets[] __devinitconst = {
+ { /* 0: AEC6210 */
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_aec62xx,
+diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
+index 2c8016a..911a27c 100644
+--- a/drivers/ide/alim15x3.c
++++ b/drivers/ide/alim15x3.c
+@@ -512,7 +512,7 @@ static const struct ide_dma_ops ali_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info ali15x3_chipset __devinitdata = {
++static const struct ide_port_info ali15x3_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_ali15x3,
+ .init_hwif = init_hwif_ali15x3,
+diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
+index 3747b25..56fc995 100644
+--- a/drivers/ide/amd74xx.c
++++ b/drivers/ide/amd74xx.c
+@@ -223,7 +223,7 @@ static const struct ide_port_ops amd_port_ops = {
+ .udma_mask = udma, \
+ }
+
+-static const struct ide_port_info amd74xx_chipsets[] __devinitdata = {
++static const struct ide_port_info amd74xx_chipsets[] __devinitconst = {
+ /* 0: AMD7401 */ DECLARE_AMD_DEV(0x00, ATA_UDMA2),
+ /* 1: AMD7409 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA4),
+ /* 2: AMD7411/7441 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA5),
+diff --git a/drivers/ide/atiixp.c b/drivers/ide/atiixp.c
+index 15f0ead..cb43480 100644
+--- a/drivers/ide/atiixp.c
++++ b/drivers/ide/atiixp.c
+@@ -139,7 +139,7 @@ static const struct ide_port_ops atiixp_port_ops = {
+ .cable_detect = atiixp_cable_detect,
+ };
+
+-static const struct ide_port_info atiixp_pci_info[] __devinitdata = {
++static const struct ide_port_info atiixp_pci_info[] __devinitconst = {
+ { /* 0: IXP200/300/400/700 */
+ .name = DRV_NAME,
+ .enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
+diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
+index 5f80312..d1fc438 100644
+--- a/drivers/ide/cmd64x.c
++++ b/drivers/ide/cmd64x.c
+@@ -327,7 +327,7 @@ static const struct ide_dma_ops cmd646_rev1_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
++static const struct ide_port_info cmd64x_chipsets[] __devinitconst = {
+ { /* 0: CMD643 */
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_cmd64x,
+diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c
+index 2c1e5f7..1444762 100644
+--- a/drivers/ide/cs5520.c
++++ b/drivers/ide/cs5520.c
+@@ -94,7 +94,7 @@ static const struct ide_port_ops cs5520_port_ops = {
+ .set_dma_mode = cs5520_set_dma_mode,
+ };
+
+-static const struct ide_port_info cyrix_chipset __devinitdata = {
++static const struct ide_port_info cyrix_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = { { 0x60, 0x01, 0x01 }, { 0x60, 0x02, 0x02 } },
+ .port_ops = &cs5520_port_ops,
+diff --git a/drivers/ide/cs5530.c b/drivers/ide/cs5530.c
+index 4dc4eb9..49b40ad 100644
+--- a/drivers/ide/cs5530.c
++++ b/drivers/ide/cs5530.c
+@@ -245,7 +245,7 @@ static const struct ide_port_ops cs5530_port_ops = {
+ .udma_filter = cs5530_udma_filter,
+ };
+
+-static const struct ide_port_info cs5530_chipset __devinitdata = {
++static const struct ide_port_info cs5530_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_cs5530,
+ .init_hwif = init_hwif_cs5530,
+diff --git a/drivers/ide/cs5535.c b/drivers/ide/cs5535.c
+index 5059faf..18d4c85 100644
+--- a/drivers/ide/cs5535.c
++++ b/drivers/ide/cs5535.c
+@@ -170,7 +170,7 @@ static const struct ide_port_ops cs5535_port_ops = {
+ .cable_detect = cs5535_cable_detect,
+ };
+
+-static const struct ide_port_info cs5535_chipset __devinitdata = {
++static const struct ide_port_info cs5535_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .port_ops = &cs5535_port_ops,
+ .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE,
+diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
+index 847553f..3ffb49d 100644
+--- a/drivers/ide/cy82c693.c
++++ b/drivers/ide/cy82c693.c
+@@ -163,7 +163,7 @@ static const struct ide_port_ops cy82c693_port_ops = {
+ .set_dma_mode = cy82c693_set_dma_mode,
+ };
+
+-static const struct ide_port_info cy82c693_chipset __devinitdata = {
++static const struct ide_port_info cy82c693_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_iops = init_iops_cy82c693,
+ .port_ops = &cy82c693_port_ops,
+diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
+index 58c51cd..4aec3b8 100644
+--- a/drivers/ide/hpt366.c
++++ b/drivers/ide/hpt366.c
+@@ -443,7 +443,7 @@ static struct hpt_timings hpt37x_timings = {
+ }
+ };
+
+-static const struct hpt_info hpt36x __devinitdata = {
++static const struct hpt_info hpt36x __devinitconst = {
+ .chip_name = "HPT36x",
+ .chip_type = HPT36x,
+ .udma_mask = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2,
+@@ -451,7 +451,7 @@ static const struct hpt_info hpt36x __devinitdata = {
+ .timings = &hpt36x_timings
+ };
+
+-static const struct hpt_info hpt370 __devinitdata = {
++static const struct hpt_info hpt370 __devinitconst = {
+ .chip_name = "HPT370",
+ .chip_type = HPT370,
+ .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
+@@ -459,7 +459,7 @@ static const struct hpt_info hpt370 __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt370a __devinitdata = {
++static const struct hpt_info hpt370a __devinitconst = {
+ .chip_name = "HPT370A",
+ .chip_type = HPT370A,
+ .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
+@@ -467,7 +467,7 @@ static const struct hpt_info hpt370a __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt374 __devinitdata = {
++static const struct hpt_info hpt374 __devinitconst = {
+ .chip_name = "HPT374",
+ .chip_type = HPT374,
+ .udma_mask = ATA_UDMA5,
+@@ -475,7 +475,7 @@ static const struct hpt_info hpt374 __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt372 __devinitdata = {
++static const struct hpt_info hpt372 __devinitconst = {
+ .chip_name = "HPT372",
+ .chip_type = HPT372,
+ .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -483,7 +483,7 @@ static const struct hpt_info hpt372 __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt372a __devinitdata = {
++static const struct hpt_info hpt372a __devinitconst = {
+ .chip_name = "HPT372A",
+ .chip_type = HPT372A,
+ .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -491,7 +491,7 @@ static const struct hpt_info hpt372a __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt302 __devinitdata = {
++static const struct hpt_info hpt302 __devinitconst = {
+ .chip_name = "HPT302",
+ .chip_type = HPT302,
+ .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -499,7 +499,7 @@ static const struct hpt_info hpt302 __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt371 __devinitdata = {
++static const struct hpt_info hpt371 __devinitconst = {
+ .chip_name = "HPT371",
+ .chip_type = HPT371,
+ .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -507,7 +507,7 @@ static const struct hpt_info hpt371 __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt372n __devinitdata = {
++static const struct hpt_info hpt372n __devinitconst = {
+ .chip_name = "HPT372N",
+ .chip_type = HPT372N,
+ .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -515,7 +515,7 @@ static const struct hpt_info hpt372n __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt302n __devinitdata = {
++static const struct hpt_info hpt302n __devinitconst = {
+ .chip_name = "HPT302N",
+ .chip_type = HPT302N,
+ .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -523,7 +523,7 @@ static const struct hpt_info hpt302n __devinitdata = {
+ .timings = &hpt37x_timings
+ };
+
+-static const struct hpt_info hpt371n __devinitdata = {
++static const struct hpt_info hpt371n __devinitconst = {
+ .chip_name = "HPT371N",
+ .chip_type = HPT371N,
+ .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
+@@ -1361,7 +1361,7 @@ static const struct ide_dma_ops hpt36x_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info hpt366_chipsets[] __devinitdata = {
++static const struct ide_port_info hpt366_chipsets[] __devinitconst = {
+ { /* 0: HPT36x */
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_hpt366,
+diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
+index 8126824..55a2798 100644
+--- a/drivers/ide/ide-cd.c
++++ b/drivers/ide/ide-cd.c
+@@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
+ alignment = queue_dma_alignment(q) | q->dma_pad_mask;
+ if ((unsigned long)buf & alignment
+ || blk_rq_bytes(rq) & q->dma_pad_mask
+- || object_is_on_stack(buf))
++ || object_starts_on_stack(buf))
+ drive->dma = 0;
+ }
+ }
+diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
+index 7f56b73..dab5b67 100644
+--- a/drivers/ide/ide-pci-generic.c
++++ b/drivers/ide/ide-pci-generic.c
+@@ -53,7 +53,7 @@ static const struct ide_port_ops netcell_port_ops = {
+ .udma_mask = ATA_UDMA6, \
+ }
+
+-static const struct ide_port_info generic_chipsets[] __devinitdata = {
++static const struct ide_port_info generic_chipsets[] __devinitconst = {
+ /* 0: Unknown */
+ DECLARE_GENERIC_PCI_DEV(0),
+
+diff --git a/drivers/ide/it8172.c b/drivers/ide/it8172.c
+index 560e66d..d5dd180 100644
+--- a/drivers/ide/it8172.c
++++ b/drivers/ide/it8172.c
+@@ -115,7 +115,7 @@ static const struct ide_port_ops it8172_port_ops = {
+ .set_dma_mode = it8172_set_dma_mode,
+ };
+
+-static const struct ide_port_info it8172_port_info __devinitdata = {
++static const struct ide_port_info it8172_port_info __devinitconst = {
+ .name = DRV_NAME,
+ .port_ops = &it8172_port_ops,
+ .enablebits = { {0x41, 0x80, 0x80}, {0x00, 0x00, 0x00} },
+diff --git a/drivers/ide/it8213.c b/drivers/ide/it8213.c
+index 46816ba..1847aeb 100644
+--- a/drivers/ide/it8213.c
++++ b/drivers/ide/it8213.c
+@@ -156,7 +156,7 @@ static const struct ide_port_ops it8213_port_ops = {
+ .cable_detect = it8213_cable_detect,
+ };
+
+-static const struct ide_port_info it8213_chipset __devinitdata = {
++static const struct ide_port_info it8213_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = { {0x41, 0x80, 0x80} },
+ .port_ops = &it8213_port_ops,
+diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
+index 2e3169f..c5611db 100644
+--- a/drivers/ide/it821x.c
++++ b/drivers/ide/it821x.c
+@@ -630,7 +630,7 @@ static const struct ide_port_ops it821x_port_ops = {
+ .cable_detect = it821x_cable_detect,
+ };
+
+-static const struct ide_port_info it821x_chipset __devinitdata = {
++static const struct ide_port_info it821x_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_it821x,
+ .init_hwif = init_hwif_it821x,
+diff --git a/drivers/ide/jmicron.c b/drivers/ide/jmicron.c
+index 74c2c4a..efddd7d 100644
+--- a/drivers/ide/jmicron.c
++++ b/drivers/ide/jmicron.c
+@@ -102,7 +102,7 @@ static const struct ide_port_ops jmicron_port_ops = {
+ .cable_detect = jmicron_cable_detect,
+ };
+
+-static const struct ide_port_info jmicron_chipset __devinitdata = {
++static const struct ide_port_info jmicron_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = { { 0x40, 0x01, 0x01 }, { 0x40, 0x10, 0x10 } },
+ .port_ops = &jmicron_port_ops,
+diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
+index 95327a2..73f78d8 100644
+--- a/drivers/ide/ns87415.c
++++ b/drivers/ide/ns87415.c
+@@ -293,7 +293,7 @@ static const struct ide_dma_ops ns87415_dma_ops = {
+ .dma_sff_read_status = superio_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info ns87415_chipset __devinitdata = {
++static const struct ide_port_info ns87415_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_hwif = init_hwif_ns87415,
+ .tp_ops = &ns87415_tp_ops,
+diff --git a/drivers/ide/opti621.c b/drivers/ide/opti621.c
+index 1a53a4c..39edc66 100644
+--- a/drivers/ide/opti621.c
++++ b/drivers/ide/opti621.c
+@@ -131,7 +131,7 @@ static const struct ide_port_ops opti621_port_ops = {
+ .set_pio_mode = opti621_set_pio_mode,
+ };
+
+-static const struct ide_port_info opti621_chipset __devinitdata = {
++static const struct ide_port_info opti621_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },
+ .port_ops = &opti621_port_ops,
+diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
+index 9546fe2..2e5ceb6 100644
+--- a/drivers/ide/pdc202xx_new.c
++++ b/drivers/ide/pdc202xx_new.c
+@@ -465,7 +465,7 @@ static const struct ide_port_ops pdcnew_port_ops = {
+ .udma_mask = udma, \
+ }
+
+-static const struct ide_port_info pdcnew_chipsets[] __devinitdata = {
++static const struct ide_port_info pdcnew_chipsets[] __devinitconst = {
+ /* 0: PDC202{68,70} */ DECLARE_PDCNEW_DEV(ATA_UDMA5),
+ /* 1: PDC202{69,71,75,76,77} */ DECLARE_PDCNEW_DEV(ATA_UDMA6),
+ };
+diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
+index 3a35ec6..5634510 100644
+--- a/drivers/ide/pdc202xx_old.c
++++ b/drivers/ide/pdc202xx_old.c
+@@ -270,7 +270,7 @@ static const struct ide_dma_ops pdc2026x_dma_ops = {
+ .max_sectors = sectors, \
+ }
+
+-static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = {
++static const struct ide_port_info pdc202xx_chipsets[] __devinitconst = {
+ { /* 0: PDC20246 */
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_pdc202xx,
+diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
+index 1892e81..fe0fd60 100644
+--- a/drivers/ide/piix.c
++++ b/drivers/ide/piix.c
+@@ -344,7 +344,7 @@ static const struct ide_port_ops ich_port_ops = {
+ .udma_mask = udma, \
+ }
+
+-static const struct ide_port_info piix_pci_info[] __devinitdata = {
++static const struct ide_port_info piix_pci_info[] __devinitconst = {
+ /* 0: MPIIX */
+ { /*
+ * MPIIX actually has only a single IDE channel mapped to
+diff --git a/drivers/ide/rz1000.c b/drivers/ide/rz1000.c
+index a6414a8..c04173e 100644
+--- a/drivers/ide/rz1000.c
++++ b/drivers/ide/rz1000.c
+@@ -38,7 +38,7 @@ static int __devinit rz1000_disable_readahead(struct pci_dev *dev)
+ }
+ }
+
+-static const struct ide_port_info rz1000_chipset __devinitdata = {
++static const struct ide_port_info rz1000_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .host_flags = IDE_HFLAG_NO_DMA,
+ };
+diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c
+index 356b9b5..d4758eb 100644
+--- a/drivers/ide/sc1200.c
++++ b/drivers/ide/sc1200.c
+@@ -291,7 +291,7 @@ static const struct ide_dma_ops sc1200_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info sc1200_chipset __devinitdata = {
++static const struct ide_port_info sc1200_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .port_ops = &sc1200_port_ops,
+ .dma_ops = &sc1200_dma_ops,
+diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
+index b7f5b0c..9701038 100644
+--- a/drivers/ide/scc_pata.c
++++ b/drivers/ide/scc_pata.c
+@@ -811,7 +811,7 @@ static const struct ide_dma_ops scc_dma_ops = {
+ .dma_sff_read_status = scc_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info scc_chipset __devinitdata = {
++static const struct ide_port_info scc_chipset __devinitconst = {
+ .name = "sccIDE",
+ .init_iops = init_iops_scc,
+ .init_dma = scc_init_dma,
+diff --git a/drivers/ide/serverworks.c b/drivers/ide/serverworks.c
+index 35fb8da..24d72ef 100644
+--- a/drivers/ide/serverworks.c
++++ b/drivers/ide/serverworks.c
+@@ -337,7 +337,7 @@ static const struct ide_port_ops svwks_port_ops = {
+ .cable_detect = svwks_cable_detect,
+ };
+
+-static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
++static const struct ide_port_info serverworks_chipsets[] __devinitconst = {
+ { /* 0: OSB4 */
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_svwks,
+diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
+index ddeda44..46f7e30 100644
+--- a/drivers/ide/siimage.c
++++ b/drivers/ide/siimage.c
+@@ -719,7 +719,7 @@ static const struct ide_dma_ops sil_dma_ops = {
+ .udma_mask = ATA_UDMA6, \
+ }
+
+-static const struct ide_port_info siimage_chipsets[] __devinitdata = {
++static const struct ide_port_info siimage_chipsets[] __devinitconst = {
+ /* 0: SiI680 */ DECLARE_SII_DEV(&sil_pata_port_ops),
+ /* 1: SiI3112 */ DECLARE_SII_DEV(&sil_sata_port_ops)
+ };
+diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c
+index 4a00225..09e61b4 100644
+--- a/drivers/ide/sis5513.c
++++ b/drivers/ide/sis5513.c
+@@ -563,7 +563,7 @@ static const struct ide_port_ops sis_ata133_port_ops = {
+ .cable_detect = sis_cable_detect,
+ };
+
+-static const struct ide_port_info sis5513_chipset __devinitdata = {
++static const struct ide_port_info sis5513_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_sis5513,
+ .enablebits = { {0x4a, 0x02, 0x02}, {0x4a, 0x04, 0x04} },
+diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
+index f21dc2a..d051cd2 100644
+--- a/drivers/ide/sl82c105.c
++++ b/drivers/ide/sl82c105.c
+@@ -299,7 +299,7 @@ static const struct ide_dma_ops sl82c105_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info sl82c105_chipset __devinitdata = {
++static const struct ide_port_info sl82c105_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_sl82c105,
+ .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}},
+diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c
+index 864ffe0..863a5e9 100644
+--- a/drivers/ide/slc90e66.c
++++ b/drivers/ide/slc90e66.c
+@@ -132,7 +132,7 @@ static const struct ide_port_ops slc90e66_port_ops = {
+ .cable_detect = slc90e66_cable_detect,
+ };
+
+-static const struct ide_port_info slc90e66_chipset __devinitdata = {
++static const struct ide_port_info slc90e66_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = { {0x41, 0x80, 0x80}, {0x43, 0x80, 0x80} },
+ .port_ops = &slc90e66_port_ops,
+diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
+index 4799d5c..1794678 100644
+--- a/drivers/ide/tc86c001.c
++++ b/drivers/ide/tc86c001.c
+@@ -192,7 +192,7 @@ static const struct ide_dma_ops tc86c001_dma_ops = {
+ .dma_sff_read_status = ide_dma_sff_read_status,
+ };
+
+-static const struct ide_port_info tc86c001_chipset __devinitdata = {
++static const struct ide_port_info tc86c001_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_hwif = init_hwif_tc86c001,
+ .port_ops = &tc86c001_port_ops,
+diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
+index 281c914..55ce1b8 100644
+--- a/drivers/ide/triflex.c
++++ b/drivers/ide/triflex.c
+@@ -92,7 +92,7 @@ static const struct ide_port_ops triflex_port_ops = {
+ .set_dma_mode = triflex_set_mode,
+ };
+
+-static const struct ide_port_info triflex_device __devinitdata = {
++static const struct ide_port_info triflex_device __devinitconst = {
+ .name = DRV_NAME,
+ .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}},
+ .port_ops = &triflex_port_ops,
+diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c
+index 4b42ca0..e494a98 100644
+--- a/drivers/ide/trm290.c
++++ b/drivers/ide/trm290.c
+@@ -324,7 +324,7 @@ static struct ide_dma_ops trm290_dma_ops = {
+ .dma_check = trm290_dma_check,
+ };
+
+-static const struct ide_port_info trm290_chipset __devinitdata = {
++static const struct ide_port_info trm290_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_hwif = init_hwif_trm290,
+ .tp_ops = &trm290_tp_ops,
+diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
+index f46f49c..eb77678 100644
+--- a/drivers/ide/via82cxxx.c
++++ b/drivers/ide/via82cxxx.c
+@@ -403,7 +403,7 @@ static const struct ide_port_ops via_port_ops = {
+ .cable_detect = via82cxxx_cable_detect,
+ };
+
+-static const struct ide_port_info via82cxxx_chipset __devinitdata = {
++static const struct ide_port_info via82cxxx_chipset __devinitconst = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_via82cxxx,
+ .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
+diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
+index 73d4531..c90cd2d 100644
+--- a/drivers/ieee802154/fakehard.c
++++ b/drivers/ieee802154/fakehard.c
+@@ -386,7 +386,7 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
+ phy->transmit_power = 0xbf;
+
+ dev->netdev_ops = &fake_ops;
+- dev->ml_priv = &fake_mlme;
++ dev->ml_priv = (void *)&fake_mlme;
+
+ priv = netdev_priv(dev);
+ priv->phy = phy;
+diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
+index d67999f..4c5d083 100644
+--- a/drivers/infiniband/core/cm.c
++++ b/drivers/infiniband/core/cm.c
+@@ -114,7 +114,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS]
+
+ struct cm_counter_group {
+ struct kobject obj;
+- atomic_long_t counter[CM_ATTR_COUNT];
++ atomic_long_unchecked_t counter[CM_ATTR_COUNT];
+ };
+
+ struct cm_counter_attribute {
+@@ -1394,7 +1394,7 @@ static void cm_dup_req_handler(struct cm_work *work,
+ struct ib_mad_send_buf *msg = NULL;
+ int ret;
+
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_REQ_COUNTER]);
+
+ /* Quick state check to discard duplicate REQs. */
+@@ -1778,7 +1778,7 @@ static void cm_dup_rep_handler(struct cm_work *work)
+ if (!cm_id_priv)
+ return;
+
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_REP_COUNTER]);
+ ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg);
+ if (ret)
+@@ -1945,7 +1945,7 @@ static int cm_rtu_handler(struct cm_work *work)
+ if (cm_id_priv->id.state != IB_CM_REP_SENT &&
+ cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) {
+ spin_unlock_irq(&cm_id_priv->lock);
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_RTU_COUNTER]);
+ goto out;
+ }
+@@ -2128,7 +2128,7 @@ static int cm_dreq_handler(struct cm_work *work)
+ cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id,
+ dreq_msg->local_comm_id);
+ if (!cm_id_priv) {
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
+ cm_issue_drep(work->port, work->mad_recv_wc);
+ return -EINVAL;
+@@ -2153,7 +2153,7 @@ static int cm_dreq_handler(struct cm_work *work)
+ case IB_CM_MRA_REP_RCVD:
+ break;
+ case IB_CM_TIMEWAIT:
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
+ if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
+ goto unlock;
+@@ -2167,7 +2167,7 @@ static int cm_dreq_handler(struct cm_work *work)
+ cm_free_msg(msg);
+ goto deref;
+ case IB_CM_DREQ_RCVD:
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
+ goto unlock;
+ default:
+@@ -2534,7 +2534,7 @@ static int cm_mra_handler(struct cm_work *work)
+ ib_modify_mad(cm_id_priv->av.port->mad_agent,
+ cm_id_priv->msg, timeout)) {
+ if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD)
+- atomic_long_inc(&work->port->
++ atomic_long_inc_unchecked(&work->port->
+ counter_group[CM_RECV_DUPLICATES].
+ counter[CM_MRA_COUNTER]);
+ goto out;
+@@ -2543,7 +2543,7 @@ static int cm_mra_handler(struct cm_work *work)
+ break;
+ case IB_CM_MRA_REQ_RCVD:
+ case IB_CM_MRA_REP_RCVD:
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_MRA_COUNTER]);
+ /* fall through */
+ default:
+@@ -2705,7 +2705,7 @@ static int cm_lap_handler(struct cm_work *work)
+ case IB_CM_LAP_IDLE:
+ break;
+ case IB_CM_MRA_LAP_SENT:
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_LAP_COUNTER]);
+ if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
+ goto unlock;
+@@ -2721,7 +2721,7 @@ static int cm_lap_handler(struct cm_work *work)
+ cm_free_msg(msg);
+ goto deref;
+ case IB_CM_LAP_RCVD:
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_LAP_COUNTER]);
+ goto unlock;
+ default:
+@@ -3005,7 +3005,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
+ cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv);
+ if (cur_cm_id_priv) {
+ spin_unlock_irq(&cm.lock);
+- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
++ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_SIDR_REQ_COUNTER]);
+ goto out; /* Duplicate message. */
+ }
+@@ -3217,10 +3217,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent,
+ if (!msg->context[0] && (attr_index != CM_REJ_COUNTER))
+ msg->retries = 1;
+
+- atomic_long_add(1 + msg->retries,
++ atomic_long_add_unchecked(1 + msg->retries,
+ &port->counter_group[CM_XMIT].counter[attr_index]);
+ if (msg->retries)
+- atomic_long_add(msg->retries,
++ atomic_long_add_unchecked(msg->retries,
+ &port->counter_group[CM_XMIT_RETRIES].
+ counter[attr_index]);
+
+@@ -3430,7 +3430,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
+ }
+
+ attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id);
+- atomic_long_inc(&port->counter_group[CM_RECV].
++ atomic_long_inc_unchecked(&port->counter_group[CM_RECV].
+ counter[attr_id - CM_ATTR_ID_OFFSET]);
+
+ work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths,
+@@ -3635,7 +3635,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
+ cm_attr = container_of(attr, struct cm_counter_attribute, attr);
+
+ return sprintf(buf, "%ld\n",
+- atomic_long_read(&group->counter[cm_attr->index]));
++ atomic_long_read_unchecked(&group->counter[cm_attr->index]));
+ }
+
+ static const struct sysfs_ops cm_counter_ops = {
+diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
+index 176c8f9..2627b62 100644
+--- a/drivers/infiniband/core/fmr_pool.c
++++ b/drivers/infiniband/core/fmr_pool.c
+@@ -98,8 +98,8 @@ struct ib_fmr_pool {
+
+ struct task_struct *thread;
+
+- atomic_t req_ser;
+- atomic_t flush_ser;
++ atomic_unchecked_t req_ser;
++ atomic_unchecked_t flush_ser;
+
+ wait_queue_head_t force_wait;
+ };
+@@ -180,10 +180,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
+ struct ib_fmr_pool *pool = pool_ptr;
+
+ do {
+- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) {
++ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) {
+ ib_fmr_batch_release(pool);
+
+- atomic_inc(&pool->flush_ser);
++ atomic_inc_unchecked(&pool->flush_ser);
+ wake_up_interruptible(&pool->force_wait);
+
+ if (pool->flush_function)
+@@ -191,7 +191,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
+ }
+
+ set_current_state(TASK_INTERRUPTIBLE);
+- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 &&
++ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 &&
+ !kthread_should_stop())
+ schedule();
+ __set_current_state(TASK_RUNNING);
+@@ -283,8 +283,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
+ pool->dirty_watermark = params->dirty_watermark;
+ pool->dirty_len = 0;
+ spin_lock_init(&pool->pool_lock);
+- atomic_set(&pool->req_ser, 0);
+- atomic_set(&pool->flush_ser, 0);
++ atomic_set_unchecked(&pool->req_ser, 0);
++ atomic_set_unchecked(&pool->flush_ser, 0);
+ init_waitqueue_head(&pool->force_wait);
+
+ pool->thread = kthread_run(ib_fmr_cleanup_thread,
+@@ -412,11 +412,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
+ }
+ spin_unlock_irq(&pool->pool_lock);
+
+- serial = atomic_inc_return(&pool->req_ser);
++ serial = atomic_inc_return_unchecked(&pool->req_ser);
+ wake_up_process(pool->thread);
+
+ if (wait_event_interruptible(pool->force_wait,
+- atomic_read(&pool->flush_ser) - serial >= 0))
++ atomic_read_unchecked(&pool->flush_ser) - serial >= 0))
+ return -EINTR;
+
+ return 0;
+@@ -526,7 +526,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr)
+ } else {
+ list_add_tail(&fmr->list, &pool->dirty_list);
+ if (++pool->dirty_len >= pool->dirty_watermark) {
+- atomic_inc(&pool->req_ser);
++ atomic_inc_unchecked(&pool->req_ser);
+ wake_up_process(pool->thread);
+ }
+ }
+diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
+index 57e07c6..56d09d4 100644
+--- a/drivers/infiniband/hw/cxgb4/mem.c
++++ b/drivers/infiniband/hw/cxgb4/mem.c
+@@ -122,7 +122,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
+ int err;
+ struct fw_ri_tpte tpt;
+ u32 stag_idx;
+- static atomic_t key;
++ static atomic_unchecked_t key;
+
+ if (c4iw_fatal_error(rdev))
+ return -EIO;
+@@ -139,7 +139,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
+ if (rdev->stats.stag.cur > rdev->stats.stag.max)
+ rdev->stats.stag.max = rdev->stats.stag.cur;
+ mutex_unlock(&rdev->stats.lock);
+- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff);
++ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff);
+ }
+ PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n",
+ __func__, stag_state, type, pdid, stag_idx);
+diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
+index 79b3dbc..96e5fcc 100644
+--- a/drivers/infiniband/hw/ipath/ipath_rc.c
++++ b/drivers/infiniband/hw/ipath/ipath_rc.c
+@@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
+ struct ib_atomic_eth *ateth;
+ struct ipath_ack_entry *e;
+ u64 vaddr;
+- atomic64_t *maddr;
++ atomic64_unchecked_t *maddr;
+ u64 sdata;
+ u32 rkey;
+ u8 next;
+@@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
+ IB_ACCESS_REMOTE_ATOMIC)))
+ goto nack_acc_unlck;
+ /* Perform atomic OP and save result. */
+- maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
++ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
+ sdata = be64_to_cpu(ateth->swap_data);
+ e = &qp->s_ack_queue[qp->r_head_ack_queue];
+ e->atomic_data = (opcode == OP(FETCH_ADD)) ?
+- (u64) atomic64_add_return(sdata, maddr) - sdata :
++ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
+ (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
+ be64_to_cpu(ateth->compare_data),
+ sdata);
+diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
+index 1f95bba..9530f87 100644
+--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
++++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
+@@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
+ unsigned long flags;
+ struct ib_wc wc;
+ u64 sdata;
+- atomic64_t *maddr;
++ atomic64_unchecked_t *maddr;
+ enum ib_wc_status send_status;
+
+ /*
+@@ -382,11 +382,11 @@ again:
+ IB_ACCESS_REMOTE_ATOMIC)))
+ goto acc_err;
+ /* Perform atomic OP and save result. */
+- maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
++ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
+ sdata = wqe->wr.wr.atomic.compare_add;
+ *(u64 *) sqp->s_sge.sge.vaddr =
+ (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ?
+- (u64) atomic64_add_return(sdata, maddr) - sdata :
++ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
+ (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
+ sdata, wqe->wr.wr.atomic.swap);
+ goto send_comp;
+diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
+index 7140199..da60063 100644
+--- a/drivers/infiniband/hw/nes/nes.c
++++ b/drivers/infiniband/hw/nes/nes.c
+@@ -103,7 +103,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
+ LIST_HEAD(nes_adapter_list);
+ static LIST_HEAD(nes_dev_list);
+
+-atomic_t qps_destroyed;
++atomic_unchecked_t qps_destroyed;
+
+ static unsigned int ee_flsh_adapter;
+ static unsigned int sysfs_nonidx_addr;
+@@ -272,7 +272,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
+ struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
+ struct nes_adapter *nesadapter = nesdev->nesadapter;
+
+- atomic_inc(&qps_destroyed);
++ atomic_inc_unchecked(&qps_destroyed);
+
+ /* Free the control structures */
+
+diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
+index c438e46..ca30356 100644
+--- a/drivers/infiniband/hw/nes/nes.h
++++ b/drivers/infiniband/hw/nes/nes.h
+@@ -178,17 +178,17 @@ extern unsigned int nes_debug_level;
+ extern unsigned int wqm_quanta;
+ extern struct list_head nes_adapter_list;
+
+-extern atomic_t cm_connects;
+-extern atomic_t cm_accepts;
+-extern atomic_t cm_disconnects;
+-extern atomic_t cm_closes;
+-extern atomic_t cm_connecteds;
+-extern atomic_t cm_connect_reqs;
+-extern atomic_t cm_rejects;
+-extern atomic_t mod_qp_timouts;
+-extern atomic_t qps_created;
+-extern atomic_t qps_destroyed;
+-extern atomic_t sw_qps_destroyed;
++extern atomic_unchecked_t cm_connects;
++extern atomic_unchecked_t cm_accepts;
++extern atomic_unchecked_t cm_disconnects;
++extern atomic_unchecked_t cm_closes;
++extern atomic_unchecked_t cm_connecteds;
++extern atomic_unchecked_t cm_connect_reqs;
++extern atomic_unchecked_t cm_rejects;
++extern atomic_unchecked_t mod_qp_timouts;
++extern atomic_unchecked_t qps_created;
++extern atomic_unchecked_t qps_destroyed;
++extern atomic_unchecked_t sw_qps_destroyed;
+ extern u32 mh_detected;
+ extern u32 mh_pauses_sent;
+ extern u32 cm_packets_sent;
+@@ -197,16 +197,16 @@ extern u32 cm_packets_created;
+ extern u32 cm_packets_received;
+ extern u32 cm_packets_dropped;
+ extern u32 cm_packets_retrans;
+-extern atomic_t cm_listens_created;
+-extern atomic_t cm_listens_destroyed;
++extern atomic_unchecked_t cm_listens_created;
++extern atomic_unchecked_t cm_listens_destroyed;
+ extern u32 cm_backlog_drops;
+-extern atomic_t cm_loopbacks;
+-extern atomic_t cm_nodes_created;
+-extern atomic_t cm_nodes_destroyed;
+-extern atomic_t cm_accel_dropped_pkts;
+-extern atomic_t cm_resets_recvd;
+-extern atomic_t pau_qps_created;
+-extern atomic_t pau_qps_destroyed;
++extern atomic_unchecked_t cm_loopbacks;
++extern atomic_unchecked_t cm_nodes_created;
++extern atomic_unchecked_t cm_nodes_destroyed;
++extern atomic_unchecked_t cm_accel_dropped_pkts;
++extern atomic_unchecked_t cm_resets_recvd;
++extern atomic_unchecked_t pau_qps_created;
++extern atomic_unchecked_t pau_qps_destroyed;
+
+ extern u32 int_mod_timer_init;
+ extern u32 int_mod_cq_depth_256;
+diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
+index 020e95c..fbb3450 100644
+--- a/drivers/infiniband/hw/nes/nes_cm.c
++++ b/drivers/infiniband/hw/nes/nes_cm.c
+@@ -68,14 +68,14 @@ u32 cm_packets_dropped;
+ u32 cm_packets_retrans;
+ u32 cm_packets_created;
+ u32 cm_packets_received;
+-atomic_t cm_listens_created;
+-atomic_t cm_listens_destroyed;
++atomic_unchecked_t cm_listens_created;
++atomic_unchecked_t cm_listens_destroyed;
+ u32 cm_backlog_drops;
+-atomic_t cm_loopbacks;
+-atomic_t cm_nodes_created;
+-atomic_t cm_nodes_destroyed;
+-atomic_t cm_accel_dropped_pkts;
+-atomic_t cm_resets_recvd;
++atomic_unchecked_t cm_loopbacks;
++atomic_unchecked_t cm_nodes_created;
++atomic_unchecked_t cm_nodes_destroyed;
++atomic_unchecked_t cm_accel_dropped_pkts;
++atomic_unchecked_t cm_resets_recvd;
+
+ static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *);
+ static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *);
+@@ -148,13 +148,13 @@ static struct nes_cm_ops nes_cm_api = {
+
+ static struct nes_cm_core *g_cm_core;
+
+-atomic_t cm_connects;
+-atomic_t cm_accepts;
+-atomic_t cm_disconnects;
+-atomic_t cm_closes;
+-atomic_t cm_connecteds;
+-atomic_t cm_connect_reqs;
+-atomic_t cm_rejects;
++atomic_unchecked_t cm_connects;
++atomic_unchecked_t cm_accepts;
++atomic_unchecked_t cm_disconnects;
++atomic_unchecked_t cm_closes;
++atomic_unchecked_t cm_connecteds;
++atomic_unchecked_t cm_connect_reqs;
++atomic_unchecked_t cm_rejects;
+
+ int nes_add_ref_cm_node(struct nes_cm_node *cm_node)
+ {
+@@ -1279,7 +1279,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
+ kfree(listener);
+ listener = NULL;
+ ret = 0;
+- atomic_inc(&cm_listens_destroyed);
++ atomic_inc_unchecked(&cm_listens_destroyed);
+ } else {
+ spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
+ }
+@@ -1482,7 +1482,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core,
+ cm_node->rem_mac);
+
+ add_hte_node(cm_core, cm_node);
+- atomic_inc(&cm_nodes_created);
++ atomic_inc_unchecked(&cm_nodes_created);
+
+ return cm_node;
+ }
+@@ -1540,7 +1540,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core,
+ }
+
+ atomic_dec(&cm_core->node_cnt);
+- atomic_inc(&cm_nodes_destroyed);
++ atomic_inc_unchecked(&cm_nodes_destroyed);
+ nesqp = cm_node->nesqp;
+ if (nesqp) {
+ nesqp->cm_node = NULL;
+@@ -1604,7 +1604,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc,
+
+ static void drop_packet(struct sk_buff *skb)
+ {
+- atomic_inc(&cm_accel_dropped_pkts);
++ atomic_inc_unchecked(&cm_accel_dropped_pkts);
+ dev_kfree_skb_any(skb);
+ }
+
+@@ -1667,7 +1667,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
+ {
+
+ int reset = 0; /* whether to send reset in case of err.. */
+- atomic_inc(&cm_resets_recvd);
++ atomic_inc_unchecked(&cm_resets_recvd);
+ nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u."
+ " refcnt=%d\n", cm_node, cm_node->state,
+ atomic_read(&cm_node->ref_count));
+@@ -2308,7 +2308,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
+ rem_ref_cm_node(cm_node->cm_core, cm_node);
+ return NULL;
+ }
+- atomic_inc(&cm_loopbacks);
++ atomic_inc_unchecked(&cm_loopbacks);
+ loopbackremotenode->loopbackpartner = cm_node;
+ loopbackremotenode->tcp_cntxt.rcv_wscale =
+ NES_CM_DEFAULT_RCV_WND_SCALE;
+@@ -2583,7 +2583,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
+ nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp);
+ else {
+ rem_ref_cm_node(cm_core, cm_node);
+- atomic_inc(&cm_accel_dropped_pkts);
++ atomic_inc_unchecked(&cm_accel_dropped_pkts);
+ dev_kfree_skb_any(skb);
+ }
+ break;
+@@ -2891,7 +2891,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
+
+ if ((cm_id) && (cm_id->event_handler)) {
+ if (issue_disconn) {
+- atomic_inc(&cm_disconnects);
++ atomic_inc_unchecked(&cm_disconnects);
+ cm_event.event = IW_CM_EVENT_DISCONNECT;
+ cm_event.status = disconn_status;
+ cm_event.local_addr = cm_id->local_addr;
+@@ -2913,7 +2913,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
+ }
+
+ if (issue_close) {
+- atomic_inc(&cm_closes);
++ atomic_inc_unchecked(&cm_closes);
+ nes_disconnect(nesqp, 1);
+
+ cm_id->provider_data = nesqp;
+@@ -3049,7 +3049,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
+
+ nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n",
+ nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener);
+- atomic_inc(&cm_accepts);
++ atomic_inc_unchecked(&cm_accepts);
+
+ nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n",
+ netdev_refcnt_read(nesvnic->netdev));
+@@ -3251,7 +3251,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
+ struct nes_cm_core *cm_core;
+ u8 *start_buff;
+
+- atomic_inc(&cm_rejects);
++ atomic_inc_unchecked(&cm_rejects);
+ cm_node = (struct nes_cm_node *)cm_id->provider_data;
+ loopback = cm_node->loopbackpartner;
+ cm_core = cm_node->cm_core;
+@@ -3311,7 +3311,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
+ ntohl(cm_id->local_addr.sin_addr.s_addr),
+ ntohs(cm_id->local_addr.sin_port));
+
+- atomic_inc(&cm_connects);
++ atomic_inc_unchecked(&cm_connects);
+ nesqp->active_conn = 1;
+
+ /* cache the cm_id in the qp */
+@@ -3421,7 +3421,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
+ g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node);
+ return err;
+ }
+- atomic_inc(&cm_listens_created);
++ atomic_inc_unchecked(&cm_listens_created);
+ }
+
+ cm_id->add_ref(cm_id);
+@@ -3522,7 +3522,7 @@ static void cm_event_connected(struct nes_cm_event *event)
+
+ if (nesqp->destroyed)
+ return;
+- atomic_inc(&cm_connecteds);
++ atomic_inc_unchecked(&cm_connecteds);
+ nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on"
+ " local port 0x%04X. jiffies = %lu.\n",
+ nesqp->hwqp.qp_id,
+@@ -3709,7 +3709,7 @@ static void cm_event_reset(struct nes_cm_event *event)
+
+ cm_id->add_ref(cm_id);
+ ret = cm_id->event_handler(cm_id, &cm_event);
+- atomic_inc(&cm_closes);
++ atomic_inc_unchecked(&cm_closes);
+ cm_event.event = IW_CM_EVENT_CLOSE;
+ cm_event.status = 0;
+ cm_event.provider_data = cm_id->provider_data;
+@@ -3745,7 +3745,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event)
+ return;
+ cm_id = cm_node->cm_id;
+
+- atomic_inc(&cm_connect_reqs);
++ atomic_inc_unchecked(&cm_connect_reqs);
+ nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
+ cm_node, cm_id, jiffies);
+
+@@ -3785,7 +3785,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event)
+ return;
+ cm_id = cm_node->cm_id;
+
+- atomic_inc(&cm_connect_reqs);
++ atomic_inc_unchecked(&cm_connect_reqs);
+ nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
+ cm_node, cm_id, jiffies);
+
+diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c
+index 3ba7be3..c81f6ff 100644
+--- a/drivers/infiniband/hw/nes/nes_mgt.c
++++ b/drivers/infiniband/hw/nes/nes_mgt.c
+@@ -40,8 +40,8 @@
+ #include "nes.h"
+ #include "nes_mgt.h"
+
+-atomic_t pau_qps_created;
+-atomic_t pau_qps_destroyed;
++atomic_unchecked_t pau_qps_created;
++atomic_unchecked_t pau_qps_destroyed;
+
+ static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic)
+ {
+@@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp)
+ {
+ struct sk_buff *skb;
+ unsigned long flags;
+- atomic_inc(&pau_qps_destroyed);
++ atomic_inc_unchecked(&pau_qps_destroyed);
+
+ /* Free packets that have not yet been forwarded */
+ /* Lock is acquired by skb_dequeue when removing the skb */
+@@ -812,7 +812,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *
+ cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]);
+ skb_queue_head_init(&nesqp->pau_list);
+ spin_lock_init(&nesqp->pau_lock);
+- atomic_inc(&pau_qps_created);
++ atomic_inc_unchecked(&pau_qps_created);
+ nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp);
+ }
+
+diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
+index f3a3ecf..57d311d 100644
+--- a/drivers/infiniband/hw/nes/nes_nic.c
++++ b/drivers/infiniband/hw/nes/nes_nic.c
+@@ -1277,39 +1277,39 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
+ target_stat_values[++index] = mh_detected;
+ target_stat_values[++index] = mh_pauses_sent;
+ target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
+- target_stat_values[++index] = atomic_read(&cm_connects);
+- target_stat_values[++index] = atomic_read(&cm_accepts);
+- target_stat_values[++index] = atomic_read(&cm_disconnects);
+- target_stat_values[++index] = atomic_read(&cm_connecteds);
+- target_stat_values[++index] = atomic_read(&cm_connect_reqs);
+- target_stat_values[++index] = atomic_read(&cm_rejects);
+- target_stat_values[++index] = atomic_read(&mod_qp_timouts);
+- target_stat_values[++index] = atomic_read(&qps_created);
+- target_stat_values[++index] = atomic_read(&sw_qps_destroyed);
+- target_stat_values[++index] = atomic_read(&qps_destroyed);
+- target_stat_values[++index] = atomic_read(&cm_closes);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_connects);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects);
++ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts);
++ target_stat_values[++index] = atomic_read_unchecked(&qps_created);
++ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed);
++ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_closes);
+ target_stat_values[++index] = cm_packets_sent;
+ target_stat_values[++index] = cm_packets_bounced;
+ target_stat_values[++index] = cm_packets_created;
+ target_stat_values[++index] = cm_packets_received;
+ target_stat_values[++index] = cm_packets_dropped;
+ target_stat_values[++index] = cm_packets_retrans;
+- target_stat_values[++index] = atomic_read(&cm_listens_created);
+- target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed);
+ target_stat_values[++index] = cm_backlog_drops;
+- target_stat_values[++index] = atomic_read(&cm_loopbacks);
+- target_stat_values[++index] = atomic_read(&cm_nodes_created);
+- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
+- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
+- target_stat_values[++index] = atomic_read(&cm_resets_recvd);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts);
++ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd);
+ target_stat_values[++index] = nesadapter->free_4kpbl;
+ target_stat_values[++index] = nesadapter->free_256pbl;
+ target_stat_values[++index] = int_mod_timer_init;
+ target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
+ target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
+ target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
+- target_stat_values[++index] = atomic_read(&pau_qps_created);
+- target_stat_values[++index] = atomic_read(&pau_qps_destroyed);
++ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created);
++ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed);
+ }
+
+ /**
+diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
+index 8b8812d..a5e1133 100644
+--- a/drivers/infiniband/hw/nes/nes_verbs.c
++++ b/drivers/infiniband/hw/nes/nes_verbs.c
+@@ -46,9 +46,9 @@
+
+ #include <rdma/ib_umem.h>
+
+-atomic_t mod_qp_timouts;
+-atomic_t qps_created;
+-atomic_t sw_qps_destroyed;
++atomic_unchecked_t mod_qp_timouts;
++atomic_unchecked_t qps_created;
++atomic_unchecked_t sw_qps_destroyed;
+
+ static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
+
+@@ -1131,7 +1131,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
+ if (init_attr->create_flags)
+ return ERR_PTR(-EINVAL);
+
+- atomic_inc(&qps_created);
++ atomic_inc_unchecked(&qps_created);
+ switch (init_attr->qp_type) {
+ case IB_QPT_RC:
+ if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) {
+@@ -1460,7 +1460,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp)
+ struct iw_cm_event cm_event;
+ int ret = 0;
+
+- atomic_inc(&sw_qps_destroyed);
++ atomic_inc_unchecked(&sw_qps_destroyed);
+ nesqp->destroyed = 1;
+
+ /* Blow away the connection if it exists. */
+diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
+index 7b1b8669..4b69f85 100644
+--- a/drivers/infiniband/hw/qib/qib.h
++++ b/drivers/infiniband/hw/qib/qib.h
+@@ -51,6 +51,7 @@
+ #include <linux/completion.h>
+ #include <linux/kref.h>
+ #include <linux/sched.h>
++#include <linux/slab.h>
+
+ #include "qib_common.h"
+ #include "qib_verbs.h"
+diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
+index da739d9..da1c7f4 100644
+--- a/drivers/input/gameport/gameport.c
++++ b/drivers/input/gameport/gameport.c
+@@ -487,14 +487,14 @@ EXPORT_SYMBOL(gameport_set_phys);
+ */
+ static void gameport_init_port(struct gameport *gameport)
+ {
+- static atomic_t gameport_no = ATOMIC_INIT(0);
++ static atomic_unchecked_t gameport_no = ATOMIC_INIT(0);
+
+ __module_get(THIS_MODULE);
+
+ mutex_init(&gameport->drv_mutex);
+ device_initialize(&gameport->dev);
+ dev_set_name(&gameport->dev, "gameport%lu",
+- (unsigned long)atomic_inc_return(&gameport_no) - 1);
++ (unsigned long)atomic_inc_return_unchecked(&gameport_no) - 1);
+ gameport->dev.bus = &gameport_bus;
+ gameport->dev.release = gameport_release_port;
+ if (gameport->parent)
+diff --git a/drivers/input/input.c b/drivers/input/input.c
+index 8921c61..f5cd63d 100644
+--- a/drivers/input/input.c
++++ b/drivers/input/input.c
+@@ -1814,7 +1814,7 @@ static void input_cleanse_bitmasks(struct input_dev *dev)
+ */
+ int input_register_device(struct input_dev *dev)
+ {
+- static atomic_t input_no = ATOMIC_INIT(0);
++ static atomic_unchecked_t input_no = ATOMIC_INIT(0);
+ struct input_handler *handler;
+ const char *path;
+ int error;
+@@ -1851,7 +1851,7 @@ int input_register_device(struct input_dev *dev)
+ dev->setkeycode = input_default_setkeycode;
+
+ dev_set_name(&dev->dev, "input%ld",
+- (unsigned long) atomic_inc_return(&input_no) - 1);
++ (unsigned long) atomic_inc_return_unchecked(&input_no) - 1);
+
+ error = device_add(&dev->dev);
+ if (error)
+diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
+index 04c69af..5f92d00 100644
+--- a/drivers/input/joystick/sidewinder.c
++++ b/drivers/input/joystick/sidewinder.c
+@@ -30,6 +30,7 @@
+ #include <linux/kernel.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
++#include <linux/sched.h>
+ #include <linux/init.h>
+ #include <linux/input.h>
+ #include <linux/gameport.h>
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
+index 83811e4..0822b90 100644
+--- a/drivers/input/joystick/xpad.c
++++ b/drivers/input/joystick/xpad.c
+@@ -726,7 +726,7 @@ static void xpad_led_set(struct led_classdev *led_cdev,
+
+ static int xpad_led_probe(struct usb_xpad *xpad)
+ {
+- static atomic_t led_seq = ATOMIC_INIT(0);
++ static atomic_unchecked_t led_seq = ATOMIC_INIT(0);
+ long led_no;
+ struct xpad_led *led;
+ struct led_classdev *led_cdev;
+@@ -739,7 +739,7 @@ static int xpad_led_probe(struct usb_xpad *xpad)
+ if (!led)
+ return -ENOMEM;
+
+- led_no = (long)atomic_inc_return(&led_seq) - 1;
++ led_no = (long)atomic_inc_return_unchecked(&led_seq) - 1;
+
+ snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
+ led->xpad = xpad;
+diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
+index 0110b5a..d3ad144 100644
+--- a/drivers/input/mousedev.c
++++ b/drivers/input/mousedev.c
+@@ -763,7 +763,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer,
+
+ spin_unlock_irq(&client->packet_lock);
+
+- if (copy_to_user(buffer, data, count))
++ if (count > sizeof(data) || copy_to_user(buffer, data, count))
+ return -EFAULT;
+
+ return count;
+diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
+index d0f7533..fb8215b 100644
+--- a/drivers/input/serio/serio.c
++++ b/drivers/input/serio/serio.c
+@@ -496,7 +496,7 @@ static void serio_release_port(struct device *dev)
+ */
+ static void serio_init_port(struct serio *serio)
+ {
+- static atomic_t serio_no = ATOMIC_INIT(0);
++ static atomic_unchecked_t serio_no = ATOMIC_INIT(0);
+
+ __module_get(THIS_MODULE);
+
+@@ -507,7 +507,7 @@ static void serio_init_port(struct serio *serio)
+ mutex_init(&serio->drv_mutex);
+ device_initialize(&serio->dev);
+ dev_set_name(&serio->dev, "serio%ld",
+- (long)atomic_inc_return(&serio_no) - 1);
++ (long)atomic_inc_return_unchecked(&serio_no) - 1);
+ serio->dev.bus = &serio_bus;
+ serio->dev.release = serio_release_port;
+ serio->dev.groups = serio_device_attr_groups;
+diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
+index 38c4bd8..58965d9 100644
+--- a/drivers/isdn/capi/capi.c
++++ b/drivers/isdn/capi/capi.c
+@@ -83,8 +83,8 @@ struct capiminor {
+
+ struct capi20_appl *ap;
+ u32 ncci;
+- atomic_t datahandle;
+- atomic_t msgid;
++ atomic_unchecked_t datahandle;
++ atomic_unchecked_t msgid;
+
+ struct tty_port port;
+ int ttyinstop;
+@@ -392,7 +392,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
+ capimsg_setu16(s, 2, mp->ap->applid);
+ capimsg_setu8 (s, 4, CAPI_DATA_B3);
+ capimsg_setu8 (s, 5, CAPI_RESP);
+- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid));
++ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid));
+ capimsg_setu32(s, 8, mp->ncci);
+ capimsg_setu16(s, 12, datahandle);
+ }
+@@ -513,14 +513,14 @@ static void handle_minor_send(struct capiminor *mp)
+ mp->outbytes -= len;
+ spin_unlock_bh(&mp->outlock);
+
+- datahandle = atomic_inc_return(&mp->datahandle);
++ datahandle = atomic_inc_return_unchecked(&mp->datahandle);
+ skb_push(skb, CAPI_DATA_B3_REQ_LEN);
+ memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
+ capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
+ capimsg_setu16(skb->data, 2, mp->ap->applid);
+ capimsg_setu8 (skb->data, 4, CAPI_DATA_B3);
+ capimsg_setu8 (skb->data, 5, CAPI_REQ);
+- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid));
++ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid));
+ capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */
+ capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */
+ capimsg_setu16(skb->data, 16, len); /* Data length */
+diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
+index a6d9fd2..afdb8a3 100644
+--- a/drivers/isdn/gigaset/interface.c
++++ b/drivers/isdn/gigaset/interface.c
+@@ -160,9 +160,9 @@ static int if_open(struct tty_struct *tty, struct file *filp)
+ }
+ tty->driver_data = cs;
+
+- ++cs->port.count;
++ atomic_inc(&cs->port.count);
+
+- if (cs->port.count == 1) {
++ if (atomic_read(&cs->port.count) == 1) {
+ tty_port_tty_set(&cs->port, tty);
+ tty->low_latency = 1;
+ }
+@@ -186,9 +186,9 @@ static void if_close(struct tty_struct *tty, struct file *filp)
+
+ if (!cs->connected)
+ gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */
+- else if (!cs->port.count)
++ else if (!atomic_read(&cs->port.count))
+ dev_warn(cs->dev, "%s: device not opened\n", __func__);
+- else if (!--cs->port.count)
++ else if (!atomic_dec_return(&cs->port.count))
+ tty_port_tty_set(&cs->port, NULL);
+
+ mutex_unlock(&cs->mutex);
+diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
+index 821f7ac..28d4030 100644
+--- a/drivers/isdn/hardware/avm/b1.c
++++ b/drivers/isdn/hardware/avm/b1.c
+@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file)
+ }
+ if (left) {
+ if (t4file->user) {
+- if (copy_from_user(buf, dp, left))
++ if (left > sizeof buf || copy_from_user(buf, dp, left))
+ return -EFAULT;
+ } else {
+ memcpy(buf, dp, left);
+@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config)
+ }
+ if (left) {
+ if (config->user) {
+- if (copy_from_user(buf, dp, left))
++ if (left > sizeof buf || copy_from_user(buf, dp, left))
+ return -EFAULT;
+ } else {
+ memcpy(buf, dp, left);
+diff --git a/drivers/isdn/hardware/eicon/divasync.h b/drivers/isdn/hardware/eicon/divasync.h
+index dd6b53a..19d9ee6 100644
+--- a/drivers/isdn/hardware/eicon/divasync.h
++++ b/drivers/isdn/hardware/eicon/divasync.h
+@@ -146,7 +146,7 @@ typedef struct _diva_didd_add_adapter {
+ } diva_didd_add_adapter_t;
+ typedef struct _diva_didd_remove_adapter {
+ IDI_CALL p_request;
+-} diva_didd_remove_adapter_t;
++} __no_const diva_didd_remove_adapter_t;
+ typedef struct _diva_didd_read_adapter_array {
+ void *buffer;
+ dword length;
+diff --git a/drivers/isdn/hardware/eicon/xdi_adapter.h b/drivers/isdn/hardware/eicon/xdi_adapter.h
+index d303e65..28bcb7b 100644
+--- a/drivers/isdn/hardware/eicon/xdi_adapter.h
++++ b/drivers/isdn/hardware/eicon/xdi_adapter.h
+@@ -44,7 +44,7 @@ typedef struct _xdi_mbox_t {
+ typedef struct _diva_os_idi_adapter_interface {
+ diva_init_card_proc_t cleanup_adapter_proc;
+ diva_cmd_card_proc_t cmd_proc;
+-} diva_os_idi_adapter_interface_t;
++} __no_const diva_os_idi_adapter_interface_t;
+
+ typedef struct _diva_os_xdi_adapter {
+ struct list_head link;
+diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
+index 7bc5067..fd36232 100644
+--- a/drivers/isdn/i4l/isdn_tty.c
++++ b/drivers/isdn/i4l/isdn_tty.c
+@@ -1505,9 +1505,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
+ port = &info->port;
+ #ifdef ISDN_DEBUG_MODEM_OPEN
+ printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name,
+- port->count);
++ atomic_read(&port->count))
+ #endif
+- port->count++;
++ atomic_inc(&port->count);
+ tty->driver_data = info;
+ port->tty = tty;
+ tty->port = port;
+@@ -1553,7 +1553,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
+ #endif
+ return;
+ }
+- if ((tty->count == 1) && (port->count != 1)) {
++ if ((tty->count == 1) && (atomic_read(&port->count) != 1)) {
+ /*
+ * Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. Info->count should always
+@@ -1562,15 +1562,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
+ * serial port won't be shutdown.
+ */
+ printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, "
+- "info->count is %d\n", port->count);
+- port->count = 1;
++ "info->count is %d\n", atomic_read(&port->count));
++ atomic_set(&port->count, 1);
+ }
+- if (--port->count < 0) {
++ if (atomic_dec_return(&port->count) < 0) {
+ printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n",
+- info->line, port->count);
+- port->count = 0;
++ info->line, atomic_read(&port->count));
++ atomic_set(&port->count, 0);
+ }
+- if (port->count) {
++ if (atomic_read(&port->count)) {
+ #ifdef ISDN_DEBUG_MODEM_OPEN
+ printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n");
+ #endif
+@@ -1624,7 +1624,7 @@ isdn_tty_hangup(struct tty_struct *tty)
+ if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup"))
+ return;
+ isdn_tty_shutdown(info);
+- port->count = 0;
++ atomic_set(&port->count, 0);
+ port->flags &= ~ASYNC_NORMAL_ACTIVE;
+ port->tty = NULL;
+ wake_up_interruptible(&port->open_wait);
+@@ -1964,7 +1964,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
+ for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
+ modem_info *info = &dev->mdm.info[i];
+
+- if (info->port.count == 0)
++ if (atomic_read(&info->port.count) == 0)
+ continue;
+ if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */
+ (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */
+diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
+index e74df7c..03a03ba 100644
+--- a/drivers/isdn/icn/icn.c
++++ b/drivers/isdn/icn/icn.c
+@@ -1045,7 +1045,7 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card)
+ if (count > len)
+ count = len;
+ if (user) {
+- if (copy_from_user(msg, buf, count))
++ if (count > sizeof msg || copy_from_user(msg, buf, count))
+ return -EFAULT;
+ } else
+ memcpy(msg, buf, count);
+diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
+index b5fdcb7..5b6c59f 100644
+--- a/drivers/lguest/core.c
++++ b/drivers/lguest/core.c
+@@ -92,9 +92,17 @@ static __init int map_switcher(void)
+ * it's worked so far. The end address needs +1 because __get_vm_area
+ * allocates an extra guard page, so we need space for that.
+ */
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
++ VM_ALLOC | VM_KERNEXEC, SWITCHER_ADDR, SWITCHER_ADDR
++ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
++#else
+ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
+ VM_ALLOC, SWITCHER_ADDR, SWITCHER_ADDR
+ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
++#endif
++
+ if (!switcher_vma) {
+ err = -ENOMEM;
+ printk("lguest: could not map switcher pages high\n");
+@@ -119,7 +127,7 @@ static __init int map_switcher(void)
+ * Now the Switcher is mapped at the right address, we can't fail!
+ * Copy in the compiled-in Switcher code (from x86/switcher_32.S).
+ */
+- memcpy(switcher_vma->addr, start_switcher_text,
++ memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text),
+ end_switcher_text - start_switcher_text);
+
+ printk(KERN_INFO "lguest: mapped switcher at %p\n",
+diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
+index 39809035..ce25c5e 100644
+--- a/drivers/lguest/x86/core.c
++++ b/drivers/lguest/x86/core.c
+@@ -59,7 +59,7 @@ static struct {
+ /* Offset from where switcher.S was compiled to where we've copied it */
+ static unsigned long switcher_offset(void)
+ {
+- return SWITCHER_ADDR - (unsigned long)start_switcher_text;
++ return SWITCHER_ADDR - (unsigned long)ktla_ktva(start_switcher_text);
+ }
+
+ /* This cpu's struct lguest_pages. */
+@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages)
+ * These copies are pretty cheap, so we do them unconditionally: */
+ /* Save the current Host top-level page directory.
+ */
++
++#ifdef CONFIG_PAX_PER_CPU_PGD
++ pages->state.host_cr3 = read_cr3();
++#else
+ pages->state.host_cr3 = __pa(current->mm->pgd);
++#endif
++
+ /*
+ * Set up the Guest's page tables to see this CPU's pages (and no
+ * other CPU's pages).
+@@ -472,7 +478,7 @@ void __init lguest_arch_host_init(void)
+ * compiled-in switcher code and the high-mapped copy we just made.
+ */
+ for (i = 0; i < IDT_ENTRIES; i++)
+- default_idt_entries[i] += switcher_offset();
++ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset();
+
+ /*
+ * Set up the Switcher's per-cpu areas.
+@@ -555,7 +561,7 @@ void __init lguest_arch_host_init(void)
+ * it will be undisturbed when we switch. To change %cs and jump we
+ * need this structure to feed to Intel's "lcall" instruction.
+ */
+- lguest_entry.offset = (long)switch_to_guest + switcher_offset();
++ lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset();
+ lguest_entry.segment = LGUEST_CS;
+
+ /*
+diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S
+index 40634b0..4f5855e 100644
+--- a/drivers/lguest/x86/switcher_32.S
++++ b/drivers/lguest/x86/switcher_32.S
+@@ -87,6 +87,7 @@
+ #include <asm/page.h>
+ #include <asm/segment.h>
+ #include <asm/lguest.h>
++#include <asm/processor-flags.h>
+
+ // We mark the start of the code to copy
+ // It's placed in .text tho it's never run here
+@@ -149,6 +150,13 @@ ENTRY(switch_to_guest)
+ // Changes type when we load it: damn Intel!
+ // For after we switch over our page tables
+ // That entry will be read-only: we'd crash.
++
++#ifdef CONFIG_PAX_KERNEXEC
++ mov %cr0, %edx
++ xor $X86_CR0_WP, %edx
++ mov %edx, %cr0
++#endif
++
+ movl $(GDT_ENTRY_TSS*8), %edx
+ ltr %dx
+
+@@ -157,9 +165,15 @@ ENTRY(switch_to_guest)
+ // Let's clear it again for our return.
+ // The GDT descriptor of the Host
+ // Points to the table after two "size" bytes
+- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx
++ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax
+ // Clear "used" from type field (byte 5, bit 2)
+- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx)
++ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax)
++
++#ifdef CONFIG_PAX_KERNEXEC
++ mov %cr0, %eax
++ xor $X86_CR0_WP, %eax
++ mov %eax, %cr0
++#endif
+
+ // Once our page table's switched, the Guest is live!
+ // The Host fades as we run this final step.
+@@ -295,13 +309,12 @@ deliver_to_host:
+ // I consulted gcc, and it gave
+ // These instructions, which I gladly credit:
+ leal (%edx,%ebx,8), %eax
+- movzwl (%eax),%edx
+- movl 4(%eax), %eax
+- xorw %ax, %ax
+- orl %eax, %edx
++ movl 4(%eax), %edx
++ movw (%eax), %dx
+ // Now the address of the handler's in %edx
+ // We call it now: its "iret" drops us home.
+- jmp *%edx
++ ljmp $__KERNEL_CS, $1f
++1: jmp *%edx
+
+ // Every interrupt can come to us here
+ // But we must truly tell each apart.
+diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
+index 20e5c2c..9e849a9 100644
+--- a/drivers/macintosh/macio_asic.c
++++ b/drivers/macintosh/macio_asic.c
+@@ -748,7 +748,7 @@ static void __devexit macio_pci_remove(struct pci_dev* pdev)
+ * MacIO is matched against any Apple ID, it's probe() function
+ * will then decide wether it applies or not
+ */
+-static const struct pci_device_id __devinitdata pci_ids [] = { {
++static const struct pci_device_id __devinitconst pci_ids [] = { {
+ .vendor = PCI_VENDOR_ID_APPLE,
+ .device = PCI_ANY_ID,
+ .subvendor = PCI_ANY_ID,
+diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
+index 94e7f6b..2f4a0d8 100644
+--- a/drivers/md/bitmap.c
++++ b/drivers/md/bitmap.c
+@@ -1786,7 +1786,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
+ chunk_kb ? "KB" : "B");
+ if (bitmap->storage.file) {
+ seq_printf(seq, ", file: ");
+- seq_path(seq, &bitmap->storage.file->f_path, " \t\n");
++ seq_path(seq, &bitmap->storage.file->f_path, " \t\n\\");
+ }
+
+ seq_printf(seq, "\n");
+diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
+index afd9598..528d8f9 100644
+--- a/drivers/md/dm-ioctl.c
++++ b/drivers/md/dm-ioctl.c
+@@ -1593,7 +1593,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
+ cmd == DM_LIST_VERSIONS_CMD)
+ return 0;
+
+- if ((cmd == DM_DEV_CREATE_CMD)) {
++ if (cmd == DM_DEV_CREATE_CMD) {
+ if (!*param->name) {
+ DMWARN("name not supplied when creating device");
+ return -EINVAL;
+diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
+index bc5ddba8..b961159 100644
+--- a/drivers/md/dm-raid1.c
++++ b/drivers/md/dm-raid1.c
+@@ -40,7 +40,7 @@ enum dm_raid1_error {
+
+ struct mirror {
+ struct mirror_set *ms;
+- atomic_t error_count;
++ atomic_unchecked_t error_count;
+ unsigned long error_type;
+ struct dm_dev *dev;
+ sector_t offset;
+@@ -185,7 +185,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms)
+ struct mirror *m;
+
+ for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++)
+- if (!atomic_read(&m->error_count))
++ if (!atomic_read_unchecked(&m->error_count))
+ return m;
+
+ return NULL;
+@@ -217,7 +217,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type)
+ * simple way to tell if a device has encountered
+ * errors.
+ */
+- atomic_inc(&m->error_count);
++ atomic_inc_unchecked(&m->error_count);
+
+ if (test_and_set_bit(error_type, &m->error_type))
+ return;
+@@ -408,7 +408,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector)
+ struct mirror *m = get_default_mirror(ms);
+
+ do {
+- if (likely(!atomic_read(&m->error_count)))
++ if (likely(!atomic_read_unchecked(&m->error_count)))
+ return m;
+
+ if (m-- == ms->mirror)
+@@ -422,7 +422,7 @@ static int default_ok(struct mirror *m)
+ {
+ struct mirror *default_mirror = get_default_mirror(m->ms);
+
+- return !atomic_read(&default_mirror->error_count);
++ return !atomic_read_unchecked(&default_mirror->error_count);
+ }
+
+ static int mirror_available(struct mirror_set *ms, struct bio *bio)
+@@ -559,7 +559,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
+ */
+ if (likely(region_in_sync(ms, region, 1)))
+ m = choose_mirror(ms, bio->bi_sector);
+- else if (m && atomic_read(&m->error_count))
++ else if (m && atomic_read_unchecked(&m->error_count))
+ m = NULL;
+
+ if (likely(m))
+@@ -938,7 +938,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
+ }
+
+ ms->mirror[mirror].ms = ms;
+- atomic_set(&(ms->mirror[mirror].error_count), 0);
++ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0);
+ ms->mirror[mirror].error_type = 0;
+ ms->mirror[mirror].offset = offset;
+
+@@ -1356,7 +1356,7 @@ static void mirror_resume(struct dm_target *ti)
+ */
+ static char device_status_char(struct mirror *m)
+ {
+- if (!atomic_read(&(m->error_count)))
++ if (!atomic_read_unchecked(&(m->error_count)))
+ return 'A';
+
+ return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' :
+diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
+index a087bf2..4c94786 100644
+--- a/drivers/md/dm-stripe.c
++++ b/drivers/md/dm-stripe.c
+@@ -20,7 +20,7 @@ struct stripe {
+ struct dm_dev *dev;
+ sector_t physical_start;
+
+- atomic_t error_count;
++ atomic_unchecked_t error_count;
+ };
+
+ struct stripe_c {
+@@ -183,7 +183,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+ kfree(sc);
+ return r;
+ }
+- atomic_set(&(sc->stripe[i].error_count), 0);
++ atomic_set_unchecked(&(sc->stripe[i].error_count), 0);
+ }
+
+ ti->private = sc;
+@@ -324,7 +324,7 @@ static int stripe_status(struct dm_target *ti, status_type_t type,
+ DMEMIT("%d ", sc->stripes);
+ for (i = 0; i < sc->stripes; i++) {
+ DMEMIT("%s ", sc->stripe[i].dev->name);
+- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ?
++ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ?
+ 'D' : 'A';
+ }
+ buffer[i] = '\0';
+@@ -371,8 +371,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio,
+ */
+ for (i = 0; i < sc->stripes; i++)
+ if (!strcmp(sc->stripe[i].dev->name, major_minor)) {
+- atomic_inc(&(sc->stripe[i].error_count));
+- if (atomic_read(&(sc->stripe[i].error_count)) <
++ atomic_inc_unchecked(&(sc->stripe[i].error_count));
++ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) <
+ DM_IO_ERROR_THRESHOLD)
+ schedule_work(&sc->trigger_event);
+ }
+diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
+index 100368e..64262ce 100644
+--- a/drivers/md/dm-table.c
++++ b/drivers/md/dm-table.c
+@@ -390,7 +390,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
+ if (!dev_size)
+ return 0;
+
+- if ((start >= dev_size) || (start + len > dev_size)) {
++ if ((start >= dev_size) || (len > dev_size - start)) {
+ DMWARN("%s: %s too small for target: "
+ "start=%llu, len=%llu, dev_size=%llu",
+ dm_device_name(ti->table->md), bdevname(bdev, b),
+diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
+index 693e149..b7e0fde 100644
+--- a/drivers/md/dm-thin-metadata.c
++++ b/drivers/md/dm-thin-metadata.c
+@@ -397,7 +397,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
+ {
+ pmd->info.tm = pmd->tm;
+ pmd->info.levels = 2;
+- pmd->info.value_type.context = pmd->data_sm;
++ pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
+ pmd->info.value_type.size = sizeof(__le64);
+ pmd->info.value_type.inc = data_block_inc;
+ pmd->info.value_type.dec = data_block_dec;
+@@ -416,7 +416,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
+
+ pmd->bl_info.tm = pmd->tm;
+ pmd->bl_info.levels = 1;
+- pmd->bl_info.value_type.context = pmd->data_sm;
++ pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
+ pmd->bl_info.value_type.size = sizeof(__le64);
+ pmd->bl_info.value_type.inc = data_block_inc;
+ pmd->bl_info.value_type.dec = data_block_dec;
+diff --git a/drivers/md/dm.c b/drivers/md/dm.c
+index 67ffa39..cb3b1dd 100644
+--- a/drivers/md/dm.c
++++ b/drivers/md/dm.c
+@@ -176,9 +176,9 @@ struct mapped_device {
+ /*
+ * Event handling.
+ */
+- atomic_t event_nr;
++ atomic_unchecked_t event_nr;
+ wait_queue_head_t eventq;
+- atomic_t uevent_seq;
++ atomic_unchecked_t uevent_seq;
+ struct list_head uevent_list;
+ spinlock_t uevent_lock; /* Protect access to uevent_list */
+
+@@ -1887,8 +1887,8 @@ static struct mapped_device *alloc_dev(int minor)
+ rwlock_init(&md->map_lock);
+ atomic_set(&md->holders, 1);
+ atomic_set(&md->open_count, 0);
+- atomic_set(&md->event_nr, 0);
+- atomic_set(&md->uevent_seq, 0);
++ atomic_set_unchecked(&md->event_nr, 0);
++ atomic_set_unchecked(&md->uevent_seq, 0);
+ INIT_LIST_HEAD(&md->uevent_list);
+ spin_lock_init(&md->uevent_lock);
+
+@@ -2022,7 +2022,7 @@ static void event_callback(void *context)
+
+ dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj);
+
+- atomic_inc(&md->event_nr);
++ atomic_inc_unchecked(&md->event_nr);
+ wake_up(&md->eventq);
+ }
+
+@@ -2677,18 +2677,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
+
+ uint32_t dm_next_uevent_seq(struct mapped_device *md)
+ {
+- return atomic_add_return(1, &md->uevent_seq);
++ return atomic_add_return_unchecked(1, &md->uevent_seq);
+ }
+
+ uint32_t dm_get_event_nr(struct mapped_device *md)
+ {
+- return atomic_read(&md->event_nr);
++ return atomic_read_unchecked(&md->event_nr);
+ }
+
+ int dm_wait_event(struct mapped_device *md, int event_nr)
+ {
+ return wait_event_interruptible(md->eventq,
+- (event_nr != atomic_read(&md->event_nr)));
++ (event_nr != atomic_read_unchecked(&md->event_nr)));
+ }
+
+ void dm_uevent_add(struct mapped_device *md, struct list_head *elist)
+diff --git a/drivers/md/md.c b/drivers/md/md.c
+index 308e87b..7f365d6 100644
+--- a/drivers/md/md.c
++++ b/drivers/md/md.c
+@@ -277,10 +277,10 @@ EXPORT_SYMBOL_GPL(md_trim_bio);
+ * start build, activate spare
+ */
+ static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
+-static atomic_t md_event_count;
++static atomic_unchecked_t md_event_count;
+ void md_new_event(struct mddev *mddev)
+ {
+- atomic_inc(&md_event_count);
++ atomic_inc_unchecked(&md_event_count);
+ wake_up(&md_event_waiters);
+ }
+ EXPORT_SYMBOL_GPL(md_new_event);
+@@ -290,7 +290,7 @@ EXPORT_SYMBOL_GPL(md_new_event);
+ */
+ static void md_new_event_inintr(struct mddev *mddev)
+ {
+- atomic_inc(&md_event_count);
++ atomic_inc_unchecked(&md_event_count);
+ wake_up(&md_event_waiters);
+ }
+
+@@ -1519,7 +1519,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
+ if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) &&
+ (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET))
+ rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset);
+- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
++ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
+
+ rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256;
+ bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
+@@ -1763,7 +1763,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
+ else
+ sb->resync_offset = cpu_to_le64(0);
+
+- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors));
++ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors));
+
+ sb->raid_disks = cpu_to_le32(mddev->raid_disks);
+ sb->size = cpu_to_le64(mddev->dev_sectors);
+@@ -2757,7 +2757,7 @@ __ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
+ static ssize_t
+ errors_show(struct md_rdev *rdev, char *page)
+ {
+- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
++ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors));
+ }
+
+ static ssize_t
+@@ -2766,7 +2766,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len)
+ char *e;
+ unsigned long n = simple_strtoul(buf, &e, 10);
+ if (*buf && (*e == 0 || *e == '\n')) {
+- atomic_set(&rdev->corrected_errors, n);
++ atomic_set_unchecked(&rdev->corrected_errors, n);
+ return len;
+ }
+ return -EINVAL;
+@@ -3213,8 +3213,8 @@ int md_rdev_init(struct md_rdev *rdev)
+ rdev->sb_loaded = 0;
+ rdev->bb_page = NULL;
+ atomic_set(&rdev->nr_pending, 0);
+- atomic_set(&rdev->read_errors, 0);
+- atomic_set(&rdev->corrected_errors, 0);
++ atomic_set_unchecked(&rdev->read_errors, 0);
++ atomic_set_unchecked(&rdev->corrected_errors, 0);
+
+ INIT_LIST_HEAD(&rdev->same_set);
+ init_waitqueue_head(&rdev->blocked_wait);
+@@ -6947,7 +6947,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
+
+ spin_unlock(&pers_lock);
+ seq_printf(seq, "\n");
+- seq->poll_event = atomic_read(&md_event_count);
++ seq->poll_event = atomic_read_unchecked(&md_event_count);
+ return 0;
+ }
+ if (v == (void*)2) {
+@@ -7050,7 +7050,7 @@ static int md_seq_open(struct inode *inode, struct file *file)
+ return error;
+
+ seq = file->private_data;
+- seq->poll_event = atomic_read(&md_event_count);
++ seq->poll_event = atomic_read_unchecked(&md_event_count);
+ return error;
+ }
+
+@@ -7064,7 +7064,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
+ /* always allow read */
+ mask = POLLIN | POLLRDNORM;
+
+- if (seq->poll_event != atomic_read(&md_event_count))
++ if (seq->poll_event != atomic_read_unchecked(&md_event_count))
+ mask |= POLLERR | POLLPRI;
+ return mask;
+ }
+@@ -7108,7 +7108,7 @@ static int is_mddev_idle(struct mddev *mddev, int init)
+ struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
+ curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
+ (int)part_stat_read(&disk->part0, sectors[1]) -
+- atomic_read(&disk->sync_io);
++ atomic_read_unchecked(&disk->sync_io);
+ /* sync IO will cause sync_io to increase before the disk_stats
+ * as sync_io is counted when a request starts, and
+ * disk_stats is counted when it completes.
+diff --git a/drivers/md/md.h b/drivers/md/md.h
+index f385b03..b600be8 100644
+--- a/drivers/md/md.h
++++ b/drivers/md/md.h
+@@ -94,13 +94,13 @@ struct md_rdev {
+ * only maintained for arrays that
+ * support hot removal
+ */
+- atomic_t read_errors; /* number of consecutive read errors that
++ atomic_unchecked_t read_errors; /* number of consecutive read errors that
+ * we have tried to ignore.
+ */
+ struct timespec last_read_error; /* monotonic time since our
+ * last read error
+ */
+- atomic_t corrected_errors; /* number of corrected read errors,
++ atomic_unchecked_t corrected_errors; /* number of corrected read errors,
+ * for reporting to userspace and storing
+ * in superblock.
+ */
+@@ -432,7 +432,7 @@ static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
+
+ static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors)
+ {
+- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
++ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
+ }
+
+ struct md_personality
+diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
+index f6d29e6..7917f5e 100644
+--- a/drivers/md/persistent-data/dm-space-map-disk.c
++++ b/drivers/md/persistent-data/dm-space-map-disk.c
+@@ -22,7 +22,7 @@
+ * Space map interface.
+ */
+ struct sm_disk {
+- struct dm_space_map sm;
++ dm_space_map_no_const sm;
+
+ struct ll_disk ll;
+ struct ll_disk old_ll;
+diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
+index e89ae5e..062e4c2 100644
+--- a/drivers/md/persistent-data/dm-space-map-metadata.c
++++ b/drivers/md/persistent-data/dm-space-map-metadata.c
+@@ -43,7 +43,7 @@ struct block_op {
+ };
+
+ struct sm_metadata {
+- struct dm_space_map sm;
++ dm_space_map_no_const sm;
+
+ struct ll_disk ll;
+ struct ll_disk old_ll;
+diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h
+index 1cbfc6b..56e1dbb 100644
+--- a/drivers/md/persistent-data/dm-space-map.h
++++ b/drivers/md/persistent-data/dm-space-map.h
+@@ -60,6 +60,7 @@ struct dm_space_map {
+ int (*root_size)(struct dm_space_map *sm, size_t *result);
+ int (*copy_root)(struct dm_space_map *sm, void *copy_to_here_le, size_t len);
+ };
++typedef struct dm_space_map __no_const dm_space_map_no_const;
+
+ /*----------------------------------------------------------------*/
+
+diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
+index 05bb49e..84d7ce6 100644
+--- a/drivers/md/raid1.c
++++ b/drivers/md/raid1.c
+@@ -1810,7 +1810,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
+ if (r1_sync_page_io(rdev, sect, s,
+ bio->bi_io_vec[idx].bv_page,
+ READ) != 0)
+- atomic_add(s, &rdev->corrected_errors);
++ atomic_add_unchecked(s, &rdev->corrected_errors);
+ }
+ sectors -= s;
+ sect += s;
+@@ -2032,7 +2032,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk,
+ test_bit(In_sync, &rdev->flags)) {
+ if (r1_sync_page_io(rdev, sect, s,
+ conf->tmppage, READ)) {
+- atomic_add(s, &rdev->corrected_errors);
++ atomic_add_unchecked(s, &rdev->corrected_errors);
+ printk(KERN_INFO
+ "md/raid1:%s: read error corrected "
+ "(%d sectors at %llu on %s)\n",
+diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
+index a48c215..6bda6f4 100644
+--- a/drivers/md/raid10.c
++++ b/drivers/md/raid10.c
+@@ -1810,7 +1810,7 @@ static void end_sync_read(struct bio *bio, int error)
+ /* The write handler will notice the lack of
+ * R10BIO_Uptodate and record any errors etc
+ */
+- atomic_add(r10_bio->sectors,
++ atomic_add_unchecked(r10_bio->sectors,
+ &conf->mirrors[d].rdev->corrected_errors);
+
+ /* for reconstruct, we always reschedule after a read.
+@@ -2159,7 +2159,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
+ {
+ struct timespec cur_time_mon;
+ unsigned long hours_since_last;
+- unsigned int read_errors = atomic_read(&rdev->read_errors);
++ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors);
+
+ ktime_get_ts(&cur_time_mon);
+
+@@ -2181,9 +2181,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
+ * overflowing the shift of read_errors by hours_since_last.
+ */
+ if (hours_since_last >= 8 * sizeof(read_errors))
+- atomic_set(&rdev->read_errors, 0);
++ atomic_set_unchecked(&rdev->read_errors, 0);
+ else
+- atomic_set(&rdev->read_errors, read_errors >> hours_since_last);
++ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last);
+ }
+
+ static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
+@@ -2237,8 +2237,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+ return;
+
+ check_decay_read_errors(mddev, rdev);
+- atomic_inc(&rdev->read_errors);
+- if (atomic_read(&rdev->read_errors) > max_read_errors) {
++ atomic_inc_unchecked(&rdev->read_errors);
++ if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) {
+ char b[BDEVNAME_SIZE];
+ bdevname(rdev->bdev, b);
+
+@@ -2246,7 +2246,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+ "md/raid10:%s: %s: Raid device exceeded "
+ "read_error threshold [cur %d:max %d]\n",
+ mdname(mddev), b,
+- atomic_read(&rdev->read_errors), max_read_errors);
++ atomic_read_unchecked(&rdev->read_errors), max_read_errors);
+ printk(KERN_NOTICE
+ "md/raid10:%s: %s: Failing raid device\n",
+ mdname(mddev), b);
+@@ -2401,7 +2401,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+ sect +
+ choose_data_offset(r10_bio, rdev)),
+ bdevname(rdev->bdev, b));
+- atomic_add(s, &rdev->corrected_errors);
++ atomic_add_unchecked(s, &rdev->corrected_errors);
+ }
+
+ rdev_dec_pending(rdev, mddev);
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index 0689173..35df76c 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -1756,21 +1756,21 @@ static void raid5_end_read_request(struct bio * bi, int error)
+ mdname(conf->mddev), STRIPE_SECTORS,
+ (unsigned long long)s,
+ bdevname(rdev->bdev, b));
+- atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
++ atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors);
+ clear_bit(R5_ReadError, &sh->dev[i].flags);
+ clear_bit(R5_ReWrite, &sh->dev[i].flags);
+ } else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags))
+ clear_bit(R5_ReadNoMerge, &sh->dev[i].flags);
+
+- if (atomic_read(&rdev->read_errors))
+- atomic_set(&rdev->read_errors, 0);
++ if (atomic_read_unchecked(&rdev->read_errors))
++ atomic_set_unchecked(&rdev->read_errors, 0);
+ } else {
+ const char *bdn = bdevname(rdev->bdev, b);
+ int retry = 0;
+ int set_bad = 0;
+
+ clear_bit(R5_UPTODATE, &sh->dev[i].flags);
+- atomic_inc(&rdev->read_errors);
++ atomic_inc_unchecked(&rdev->read_errors);
+ if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
+ printk_ratelimited(
+ KERN_WARNING
+@@ -1798,7 +1798,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
+ mdname(conf->mddev),
+ (unsigned long long)s,
+ bdn);
+- } else if (atomic_read(&rdev->read_errors)
++ } else if (atomic_read_unchecked(&rdev->read_errors)
+ > conf->max_nr_stripes)
+ printk(KERN_WARNING
+ "md/raid:%s: Too many read errors, failing device %s.\n",
+diff --git a/drivers/media/dvb/ddbridge/ddbridge-core.c b/drivers/media/dvb/ddbridge/ddbridge-core.c
+index ebf3f05..b1f3e77 100644
+--- a/drivers/media/dvb/ddbridge/ddbridge-core.c
++++ b/drivers/media/dvb/ddbridge/ddbridge-core.c
+@@ -1679,7 +1679,7 @@ static struct ddb_info ddb_v6 = {
+ .subvendor = _subvend, .subdevice = _subdev, \
+ .driver_data = (unsigned long)&_driverdata }
+
+-static const struct pci_device_id ddb_id_tbl[] __devinitdata = {
++static const struct pci_device_id ddb_id_tbl[] __devinitconst = {
+ DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
+diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h
+index fa7188a..04a045e 100644
+--- a/drivers/media/dvb/dvb-core/dvb_demux.h
++++ b/drivers/media/dvb/dvb-core/dvb_demux.h
+@@ -73,7 +73,7 @@ struct dvb_demux_feed {
+ union {
+ dmx_ts_cb ts;
+ dmx_section_cb sec;
+- } cb;
++ } __no_const cb;
+
+ struct dvb_demux *demux;
+ void *priv;
+diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
+index 39eab73..60033e7 100644
+--- a/drivers/media/dvb/dvb-core/dvbdev.c
++++ b/drivers/media/dvb/dvb-core/dvbdev.c
+@@ -192,7 +192,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
+ const struct dvb_device *template, void *priv, int type)
+ {
+ struct dvb_device *dvbdev;
+- struct file_operations *dvbdevfops;
++ file_operations_no_const *dvbdevfops;
+ struct device *clsdev;
+ int minor;
+ int id;
+diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
+index 3940bb0..fb3952a 100644
+--- a/drivers/media/dvb/dvb-usb/cxusb.c
++++ b/drivers/media/dvb/dvb-usb/cxusb.c
+@@ -1068,7 +1068,7 @@ static struct dib0070_config dib7070p_dib0070_config = {
+
+ struct dib0700_adapter_state {
+ int (*set_param_save) (struct dvb_frontend *);
+-};
++} __no_const;
+
+ static int dib7070_set_param_override(struct dvb_frontend *fe)
+ {
+diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
+index 9382895..ac8093c 100644
+--- a/drivers/media/dvb/dvb-usb/dw2102.c
++++ b/drivers/media/dvb/dvb-usb/dw2102.c
+@@ -95,7 +95,7 @@ struct su3000_state {
+
+ struct s6x0_state {
+ int (*old_set_voltage)(struct dvb_frontend *f, fe_sec_voltage_t v);
+-};
++} __no_const;
+
+ /* debug */
+ static int dvb_usb_dw2102_debug;
+diff --git a/drivers/media/dvb/frontends/dib3000.h b/drivers/media/dvb/frontends/dib3000.h
+index 404f63a..4796533 100644
+--- a/drivers/media/dvb/frontends/dib3000.h
++++ b/drivers/media/dvb/frontends/dib3000.h
+@@ -39,7 +39,7 @@ struct dib_fe_xfer_ops
+ int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
+ int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
+ int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
+-};
++} __no_const;
+
+ #if defined(CONFIG_DVB_DIB3000MB) || (defined(CONFIG_DVB_DIB3000MB_MODULE) && defined(MODULE))
+ extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
+diff --git a/drivers/media/dvb/ngene/ngene-cards.c b/drivers/media/dvb/ngene/ngene-cards.c
+index 72ee8de..eae0c80 100644
+--- a/drivers/media/dvb/ngene/ngene-cards.c
++++ b/drivers/media/dvb/ngene/ngene-cards.c
+@@ -479,7 +479,7 @@ static struct ngene_info ngene_info_m780 = {
+
+ /****************************************************************************/
+
+-static const struct pci_device_id ngene_id_tbl[] __devinitdata = {
++static const struct pci_device_id ngene_id_tbl[] __devinitconst = {
+ NGENE_ID(0x18c3, 0xabc3, ngene_info_cineS2),
+ NGENE_ID(0x18c3, 0xabc4, ngene_info_cineS2),
+ NGENE_ID(0x18c3, 0xdb01, ngene_info_satixS2),
+diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
+index 697a421..16c5a5f 100644
+--- a/drivers/media/radio/radio-cadet.c
++++ b/drivers/media/radio/radio-cadet.c
+@@ -302,6 +302,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
+ unsigned char readbuf[RDS_BUFFER];
+ int i = 0;
+
++ if (count > RDS_BUFFER)
++ return -EFAULT;
+ mutex_lock(&dev->lock);
+ if (dev->rdsstat == 0)
+ cadet_start_rds(dev);
+@@ -317,7 +319,7 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
+ while (i < count && dev->rdsin != dev->rdsout)
+ readbuf[i++] = dev->rdsbuf[dev->rdsout++];
+
+- if (i && copy_to_user(data, readbuf, i))
++ if (i > sizeof(readbuf) || copy_to_user(data, readbuf, i))
+ i = -EFAULT;
+ unlock:
+ mutex_unlock(&dev->lock);
+diff --git a/drivers/media/radio/radio-tea5777.h b/drivers/media/radio/radio-tea5777.h
+index 55cbd78..428b0da 100644
+--- a/drivers/media/radio/radio-tea5777.h
++++ b/drivers/media/radio/radio-tea5777.h
+@@ -63,7 +63,7 @@ struct radio_tea5777_ops {
+
+ struct radio_tea5777 {
+ struct v4l2_device *v4l2_dev;
+- struct v4l2_file_operations fops;
++ v4l2_file_operations_no_const fops;
+ struct video_device vd; /* video device */
+ bool has_am; /* Device can tune to AM freqs */
+ bool write_before_read; /* must write before read quirk */
+diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h
+index 9cde353..8c6a1c3 100644
+--- a/drivers/media/video/au0828/au0828.h
++++ b/drivers/media/video/au0828/au0828.h
+@@ -191,7 +191,7 @@ struct au0828_dev {
+
+ /* I2C */
+ struct i2c_adapter i2c_adap;
+- struct i2c_algorithm i2c_algo;
++ i2c_algorithm_no_const i2c_algo;
+ struct i2c_client i2c_client;
+ u32 i2c_rc;
+
+diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
+index dfac6e3..c26de31 100644
+--- a/drivers/media/video/cx88/cx88-alsa.c
++++ b/drivers/media/video/cx88/cx88-alsa.c
+@@ -749,7 +749,7 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
+ * Only boards with eeprom and byte 1 at eeprom=1 have it
+ */
+
+-static const struct pci_device_id const cx88_audio_pci_tbl[] __devinitdata = {
++static const struct pci_device_id const cx88_audio_pci_tbl[] __devinitconst = {
+ {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
+ {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
+ {0, }
+diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
+index 88cf9d9..bbc4b2c 100644
+--- a/drivers/media/video/omap/omap_vout.c
++++ b/drivers/media/video/omap/omap_vout.c
+@@ -64,7 +64,6 @@ enum omap_vout_channels {
+ OMAP_VIDEO2,
+ };
+
+-static struct videobuf_queue_ops video_vbq_ops;
+ /* Variables configurable through module params*/
+ static u32 video1_numbuffers = 3;
+ static u32 video2_numbuffers = 3;
+@@ -1000,6 +999,12 @@ static int omap_vout_open(struct file *file)
+ {
+ struct videobuf_queue *q;
+ struct omap_vout_device *vout = NULL;
++ static struct videobuf_queue_ops video_vbq_ops = {
++ .buf_setup = omap_vout_buffer_setup,
++ .buf_prepare = omap_vout_buffer_prepare,
++ .buf_release = omap_vout_buffer_release,
++ .buf_queue = omap_vout_buffer_queue,
++ };
+
+ vout = video_drvdata(file);
+ v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);
+@@ -1017,10 +1022,6 @@ static int omap_vout_open(struct file *file)
+ vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
+ q = &vout->vbq;
+- video_vbq_ops.buf_setup = omap_vout_buffer_setup;
+- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare;
+- video_vbq_ops.buf_release = omap_vout_buffer_release;
+- video_vbq_ops.buf_queue = omap_vout_buffer_queue;
+ spin_lock_init(&vout->vbq_lock);
+
+ videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
+diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+index 036952f..80d356d 100644
+--- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
++++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+@@ -196,7 +196,7 @@ struct pvr2_hdw {
+
+ /* I2C stuff */
+ struct i2c_adapter i2c_adap;
+- struct i2c_algorithm i2c_algo;
++ i2c_algorithm_no_const i2c_algo;
+ pvr2_i2c_func i2c_func[PVR2_I2C_FUNC_CNT];
+ int i2c_cx25840_hack_state;
+ int i2c_linked;
+diff --git a/drivers/media/video/timblogiw.c b/drivers/media/video/timblogiw.c
+index 02194c0..091733b 100644
+--- a/drivers/media/video/timblogiw.c
++++ b/drivers/media/video/timblogiw.c
+@@ -745,7 +745,7 @@ static int timblogiw_mmap(struct file *file, struct vm_area_struct *vma)
+
+ /* Platform device functions */
+
+-static __devinitconst struct v4l2_ioctl_ops timblogiw_ioctl_ops = {
++static __devinitconst v4l2_ioctl_ops_no_const timblogiw_ioctl_ops = {
+ .vidioc_querycap = timblogiw_querycap,
+ .vidioc_enum_fmt_vid_cap = timblogiw_enum_fmt,
+ .vidioc_g_fmt_vid_cap = timblogiw_g_fmt,
+@@ -767,7 +767,7 @@ static __devinitconst struct v4l2_ioctl_ops timblogiw_ioctl_ops = {
+ .vidioc_enum_framesizes = timblogiw_enum_framesizes,
+ };
+
+-static __devinitconst struct v4l2_file_operations timblogiw_fops = {
++static __devinitconst v4l2_file_operations_no_const timblogiw_fops = {
+ .owner = THIS_MODULE,
+ .open = timblogiw_open,
+ .release = timblogiw_close,
+diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
+index d99db56..a16b959 100644
+--- a/drivers/message/fusion/mptbase.c
++++ b/drivers/message/fusion/mptbase.c
+@@ -6751,8 +6751,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
+ seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
+ seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL);
++#else
+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
+ (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
++#endif
++
+ /*
+ * Rounding UP to nearest 4-kB boundary here...
+ */
+diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
+index 551262e..7551198 100644
+--- a/drivers/message/fusion/mptsas.c
++++ b/drivers/message/fusion/mptsas.c
+@@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached)
+ return 0;
+ }
+
++static inline void
++mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
++{
++ if (phy_info->port_details) {
++ phy_info->port_details->rphy = rphy;
++ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
++ ioc->name, rphy));
++ }
++
++ if (rphy) {
++ dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
++ &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
++ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
++ ioc->name, rphy, rphy->dev.release));
++ }
++}
++
+ /* no mutex */
+ static void
+ mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
+@@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
+ return NULL;
+ }
+
+-static inline void
+-mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
+-{
+- if (phy_info->port_details) {
+- phy_info->port_details->rphy = rphy;
+- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
+- ioc->name, rphy));
+- }
+-
+- if (rphy) {
+- dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
+- &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
+- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
+- ioc->name, rphy, rphy->dev.release));
+- }
+-}
+-
+ static inline struct sas_port *
+ mptsas_get_port(struct mptsas_phyinfo *phy_info)
+ {
+diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
+index 0c3ced7..1fe34ec 100644
+--- a/drivers/message/fusion/mptscsih.c
++++ b/drivers/message/fusion/mptscsih.c
+@@ -1270,15 +1270,16 @@ mptscsih_info(struct Scsi_Host *SChost)
+
+ h = shost_priv(SChost);
+
+- if (h) {
+- if (h->info_kbuf == NULL)
+- if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
+- return h->info_kbuf;
+- h->info_kbuf[0] = '\0';
++ if (!h)
++ return NULL;
+
+- mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
+- h->info_kbuf[size-1] = '\0';
+- }
++ if (h->info_kbuf == NULL)
++ if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
++ return h->info_kbuf;
++ h->info_kbuf[0] = '\0';
++
++ mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
++ h->info_kbuf[size-1] = '\0';
+
+ return h->info_kbuf;
+ }
+diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c
+index 8001aa6..b137580 100644
+--- a/drivers/message/i2o/i2o_proc.c
++++ b/drivers/message/i2o/i2o_proc.c
+@@ -255,12 +255,6 @@ static char *scsi_devices[] = {
+ "Array Controller Device"
+ };
+
+-static char *chtostr(char *tmp, u8 *chars, int n)
+-{
+- tmp[0] = 0;
+- return strncat(tmp, (char *)chars, n);
+-}
+-
+ static int i2o_report_query_status(struct seq_file *seq, int block_status,
+ char *group)
+ {
+@@ -790,7 +784,6 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
+ } *result;
+
+ i2o_exec_execute_ddm_table ddm_table;
+- char tmp[28 + 1];
+
+ result = kmalloc(sizeof(*result), GFP_KERNEL);
+ if (!result)
+@@ -825,8 +818,7 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
+
+ seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id);
+ seq_printf(seq, "%-#8x", ddm_table.module_id);
+- seq_printf(seq, "%-29s",
+- chtostr(tmp, ddm_table.module_name_version, 28));
++ seq_printf(seq, "%-.28s", ddm_table.module_name_version);
+ seq_printf(seq, "%9d ", ddm_table.data_size);
+ seq_printf(seq, "%8d", ddm_table.code_size);
+
+@@ -893,7 +885,6 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
+
+ i2o_driver_result_table *result;
+ i2o_driver_store_table *dst;
+- char tmp[28 + 1];
+
+ result = kmalloc(sizeof(i2o_driver_result_table), GFP_KERNEL);
+ if (result == NULL)
+@@ -928,9 +919,8 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
+
+ seq_printf(seq, "%-#7x", dst->i2o_vendor_id);
+ seq_printf(seq, "%-#8x", dst->module_id);
+- seq_printf(seq, "%-29s",
+- chtostr(tmp, dst->module_name_version, 28));
+- seq_printf(seq, "%-9s", chtostr(tmp, dst->date, 8));
++ seq_printf(seq, "%-.28s", dst->module_name_version);
++ seq_printf(seq, "%-.8s", dst->date);
+ seq_printf(seq, "%8d ", dst->module_size);
+ seq_printf(seq, "%8d ", dst->mpb_size);
+ seq_printf(seq, "0x%04x", dst->module_flags);
+@@ -1250,7 +1240,6 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
+ // == (allow) 512d bytes (max)
+ static u16 *work16 = (u16 *) work32;
+ int token;
+- char tmp[16 + 1];
+
+ token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32));
+
+@@ -1262,14 +1251,10 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
+ seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0]));
+ seq_printf(seq, "Owner TID : %0#5x\n", work16[2]);
+ seq_printf(seq, "Parent TID : %0#5x\n", work16[3]);
+- seq_printf(seq, "Vendor info : %s\n",
+- chtostr(tmp, (u8 *) (work32 + 2), 16));
+- seq_printf(seq, "Product info : %s\n",
+- chtostr(tmp, (u8 *) (work32 + 6), 16));
+- seq_printf(seq, "Description : %s\n",
+- chtostr(tmp, (u8 *) (work32 + 10), 16));
+- seq_printf(seq, "Product rev. : %s\n",
+- chtostr(tmp, (u8 *) (work32 + 14), 8));
++ seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2));
++ seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6));
++ seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10));
++ seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14));
+
+ seq_printf(seq, "Serial number : ");
+ print_serial_number(seq, (u8 *) (work32 + 16),
+@@ -1306,8 +1291,6 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
+ u8 pad[256]; // allow up to 256 byte (max) serial number
+ } result;
+
+- char tmp[24 + 1];
+-
+ token = i2o_parm_field_get(d, 0xF101, -1, &result, sizeof(result));
+
+ if (token < 0) {
+@@ -1316,10 +1299,8 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
+ }
+
+ seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid);
+- seq_printf(seq, "Module name : %s\n",
+- chtostr(tmp, result.module_name, 24));
+- seq_printf(seq, "Module revision : %s\n",
+- chtostr(tmp, result.module_rev, 8));
++ seq_printf(seq, "Module name : %.24s\n", result.module_name);
++ seq_printf(seq, "Module revision : %.8s\n", result.module_rev);
+
+ seq_printf(seq, "Serial number : ");
+ print_serial_number(seq, result.serial_number, sizeof(result) - 36);
+@@ -1343,8 +1324,6 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
+ u8 instance_number[4];
+ } result;
+
+- char tmp[64 + 1];
+-
+ token = i2o_parm_field_get(d, 0xF102, -1, &result, sizeof(result));
+
+ if (token < 0) {
+@@ -1352,14 +1331,10 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
+ return 0;
+ }
+
+- seq_printf(seq, "Device name : %s\n",
+- chtostr(tmp, result.device_name, 64));
+- seq_printf(seq, "Service name : %s\n",
+- chtostr(tmp, result.service_name, 64));
+- seq_printf(seq, "Physical name : %s\n",
+- chtostr(tmp, result.physical_location, 64));
+- seq_printf(seq, "Instance number : %s\n",
+- chtostr(tmp, result.instance_number, 4));
++ seq_printf(seq, "Device name : %.64s\n", result.device_name);
++ seq_printf(seq, "Service name : %.64s\n", result.service_name);
++ seq_printf(seq, "Physical name : %.64s\n", result.physical_location);
++ seq_printf(seq, "Instance number : %.4s\n", result.instance_number);
+
+ return 0;
+ }
+diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
+index a8c08f3..155fe3d 100644
+--- a/drivers/message/i2o/iop.c
++++ b/drivers/message/i2o/iop.c
+@@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_controller * c, void *ptr)
+
+ spin_lock_irqsave(&c->context_list_lock, flags);
+
+- if (unlikely(atomic_inc_and_test(&c->context_list_counter)))
+- atomic_inc(&c->context_list_counter);
++ if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter)))
++ atomic_inc_unchecked(&c->context_list_counter);
+
+- entry->context = atomic_read(&c->context_list_counter);
++ entry->context = atomic_read_unchecked(&c->context_list_counter);
+
+ list_add(&entry->list, &c->context_list);
+
+@@ -1077,7 +1077,7 @@ struct i2o_controller *i2o_iop_alloc(void)
+
+ #if BITS_PER_LONG == 64
+ spin_lock_init(&c->context_list_lock);
+- atomic_set(&c->context_list_counter, 0);
++ atomic_set_unchecked(&c->context_list_counter, 0);
+ INIT_LIST_HEAD(&c->context_list);
+ #endif
+
+diff --git a/drivers/mfd/abx500-core.c b/drivers/mfd/abx500-core.c
+index 7ce65f4..e66e9bc 100644
+--- a/drivers/mfd/abx500-core.c
++++ b/drivers/mfd/abx500-core.c
+@@ -15,7 +15,7 @@ static LIST_HEAD(abx500_list);
+
+ struct abx500_device_entry {
+ struct list_head list;
+- struct abx500_ops ops;
++ abx500_ops_no_const ops;
+ struct device *dev;
+ };
+
+diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c
+index 965c480..71f2db9 100644
+--- a/drivers/mfd/janz-cmodio.c
++++ b/drivers/mfd/janz-cmodio.c
+@@ -13,6 +13,7 @@
+
+ #include <linux/kernel.h>
+ #include <linux/module.h>
++#include <linux/slab.h>
+ #include <linux/init.h>
+ #include <linux/pci.h>
+ #include <linux/interrupt.h>
+diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
+index a981e2a..5ca0c8b 100644
+--- a/drivers/misc/lis3lv02d/lis3lv02d.c
++++ b/drivers/misc/lis3lv02d/lis3lv02d.c
+@@ -466,7 +466,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data)
+ * the lid is closed. This leads to interrupts as soon as a little move
+ * is done.
+ */
+- atomic_inc(&lis3->count);
++ atomic_inc_unchecked(&lis3->count);
+
+ wake_up_interruptible(&lis3->misc_wait);
+ kill_fasync(&lis3->async_queue, SIGIO, POLL_IN);
+@@ -552,7 +552,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
+ if (lis3->pm_dev)
+ pm_runtime_get_sync(lis3->pm_dev);
+
+- atomic_set(&lis3->count, 0);
++ atomic_set_unchecked(&lis3->count, 0);
+ return 0;
+ }
+
+@@ -585,7 +585,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
+ add_wait_queue(&lis3->misc_wait, &wait);
+ while (true) {
+ set_current_state(TASK_INTERRUPTIBLE);
+- data = atomic_xchg(&lis3->count, 0);
++ data = atomic_xchg_unchecked(&lis3->count, 0);
+ if (data)
+ break;
+
+@@ -626,7 +626,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)
+ struct lis3lv02d, miscdev);
+
+ poll_wait(file, &lis3->misc_wait, wait);
+- if (atomic_read(&lis3->count))
++ if (atomic_read_unchecked(&lis3->count))
+ return POLLIN | POLLRDNORM;
+ return 0;
+ }
+diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
+index 2b1482a..5d33616 100644
+--- a/drivers/misc/lis3lv02d/lis3lv02d.h
++++ b/drivers/misc/lis3lv02d/lis3lv02d.h
+@@ -266,7 +266,7 @@ struct lis3lv02d {
+ struct input_polled_dev *idev; /* input device */
+ struct platform_device *pdev; /* platform device */
+ struct regulator_bulk_data regulators[2];
+- atomic_t count; /* interrupt count after last read */
++ atomic_unchecked_t count; /* interrupt count after last read */
+ union axis_conversion ac; /* hw -> logical axis */
+ int mapped_btns[3];
+
+diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c
+index 2f30bad..c4c13d0 100644
+--- a/drivers/misc/sgi-gru/gruhandles.c
++++ b/drivers/misc/sgi-gru/gruhandles.c
+@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks)
+ unsigned long nsec;
+
+ nsec = CLKS2NSEC(clks);
+- atomic_long_inc(&mcs_op_statistics[op].count);
+- atomic_long_add(nsec, &mcs_op_statistics[op].total);
++ atomic_long_inc_unchecked(&mcs_op_statistics[op].count);
++ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total);
+ if (mcs_op_statistics[op].max < nsec)
+ mcs_op_statistics[op].max = nsec;
+ }
+diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
+index 950dbe9..eeef0f8 100644
+--- a/drivers/misc/sgi-gru/gruprocfs.c
++++ b/drivers/misc/sgi-gru/gruprocfs.c
+@@ -32,9 +32,9 @@
+
+ #define printstat(s, f) printstat_val(s, &gru_stats.f, #f)
+
+-static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
++static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id)
+ {
+- unsigned long val = atomic_long_read(v);
++ unsigned long val = atomic_long_read_unchecked(v);
+
+ seq_printf(s, "%16lu %s\n", val, id);
+ }
+@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
+
+ seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
+ for (op = 0; op < mcsop_last; op++) {
+- count = atomic_long_read(&mcs_op_statistics[op].count);
+- total = atomic_long_read(&mcs_op_statistics[op].total);
++ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count);
++ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total);
+ max = mcs_op_statistics[op].max;
+ seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count,
+ count ? total / count : 0, max);
+diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
+index 5c3ce24..4915ccb 100644
+--- a/drivers/misc/sgi-gru/grutables.h
++++ b/drivers/misc/sgi-gru/grutables.h
+@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids;
+ * GRU statistics.
+ */
+ struct gru_stats_s {
+- atomic_long_t vdata_alloc;
+- atomic_long_t vdata_free;
+- atomic_long_t gts_alloc;
+- atomic_long_t gts_free;
+- atomic_long_t gms_alloc;
+- atomic_long_t gms_free;
+- atomic_long_t gts_double_allocate;
+- atomic_long_t assign_context;
+- atomic_long_t assign_context_failed;
+- atomic_long_t free_context;
+- atomic_long_t load_user_context;
+- atomic_long_t load_kernel_context;
+- atomic_long_t lock_kernel_context;
+- atomic_long_t unlock_kernel_context;
+- atomic_long_t steal_user_context;
+- atomic_long_t steal_kernel_context;
+- atomic_long_t steal_context_failed;
+- atomic_long_t nopfn;
+- atomic_long_t asid_new;
+- atomic_long_t asid_next;
+- atomic_long_t asid_wrap;
+- atomic_long_t asid_reuse;
+- atomic_long_t intr;
+- atomic_long_t intr_cbr;
+- atomic_long_t intr_tfh;
+- atomic_long_t intr_spurious;
+- atomic_long_t intr_mm_lock_failed;
+- atomic_long_t call_os;
+- atomic_long_t call_os_wait_queue;
+- atomic_long_t user_flush_tlb;
+- atomic_long_t user_unload_context;
+- atomic_long_t user_exception;
+- atomic_long_t set_context_option;
+- atomic_long_t check_context_retarget_intr;
+- atomic_long_t check_context_unload;
+- atomic_long_t tlb_dropin;
+- atomic_long_t tlb_preload_page;
+- atomic_long_t tlb_dropin_fail_no_asid;
+- atomic_long_t tlb_dropin_fail_upm;
+- atomic_long_t tlb_dropin_fail_invalid;
+- atomic_long_t tlb_dropin_fail_range_active;
+- atomic_long_t tlb_dropin_fail_idle;
+- atomic_long_t tlb_dropin_fail_fmm;
+- atomic_long_t tlb_dropin_fail_no_exception;
+- atomic_long_t tfh_stale_on_fault;
+- atomic_long_t mmu_invalidate_range;
+- atomic_long_t mmu_invalidate_page;
+- atomic_long_t flush_tlb;
+- atomic_long_t flush_tlb_gru;
+- atomic_long_t flush_tlb_gru_tgh;
+- atomic_long_t flush_tlb_gru_zero_asid;
++ atomic_long_unchecked_t vdata_alloc;
++ atomic_long_unchecked_t vdata_free;
++ atomic_long_unchecked_t gts_alloc;
++ atomic_long_unchecked_t gts_free;
++ atomic_long_unchecked_t gms_alloc;
++ atomic_long_unchecked_t gms_free;
++ atomic_long_unchecked_t gts_double_allocate;
++ atomic_long_unchecked_t assign_context;
++ atomic_long_unchecked_t assign_context_failed;
++ atomic_long_unchecked_t free_context;
++ atomic_long_unchecked_t load_user_context;
++ atomic_long_unchecked_t load_kernel_context;
++ atomic_long_unchecked_t lock_kernel_context;
++ atomic_long_unchecked_t unlock_kernel_context;
++ atomic_long_unchecked_t steal_user_context;
++ atomic_long_unchecked_t steal_kernel_context;
++ atomic_long_unchecked_t steal_context_failed;
++ atomic_long_unchecked_t nopfn;
++ atomic_long_unchecked_t asid_new;
++ atomic_long_unchecked_t asid_next;
++ atomic_long_unchecked_t asid_wrap;
++ atomic_long_unchecked_t asid_reuse;
++ atomic_long_unchecked_t intr;
++ atomic_long_unchecked_t intr_cbr;
++ atomic_long_unchecked_t intr_tfh;
++ atomic_long_unchecked_t intr_spurious;
++ atomic_long_unchecked_t intr_mm_lock_failed;
++ atomic_long_unchecked_t call_os;
++ atomic_long_unchecked_t call_os_wait_queue;
++ atomic_long_unchecked_t user_flush_tlb;
++ atomic_long_unchecked_t user_unload_context;
++ atomic_long_unchecked_t user_exception;
++ atomic_long_unchecked_t set_context_option;
++ atomic_long_unchecked_t check_context_retarget_intr;
++ atomic_long_unchecked_t check_context_unload;
++ atomic_long_unchecked_t tlb_dropin;
++ atomic_long_unchecked_t tlb_preload_page;
++ atomic_long_unchecked_t tlb_dropin_fail_no_asid;
++ atomic_long_unchecked_t tlb_dropin_fail_upm;
++ atomic_long_unchecked_t tlb_dropin_fail_invalid;
++ atomic_long_unchecked_t tlb_dropin_fail_range_active;
++ atomic_long_unchecked_t tlb_dropin_fail_idle;
++ atomic_long_unchecked_t tlb_dropin_fail_fmm;
++ atomic_long_unchecked_t tlb_dropin_fail_no_exception;
++ atomic_long_unchecked_t tfh_stale_on_fault;
++ atomic_long_unchecked_t mmu_invalidate_range;
++ atomic_long_unchecked_t mmu_invalidate_page;
++ atomic_long_unchecked_t flush_tlb;
++ atomic_long_unchecked_t flush_tlb_gru;
++ atomic_long_unchecked_t flush_tlb_gru_tgh;
++ atomic_long_unchecked_t flush_tlb_gru_zero_asid;
+
+- atomic_long_t copy_gpa;
+- atomic_long_t read_gpa;
++ atomic_long_unchecked_t copy_gpa;
++ atomic_long_unchecked_t read_gpa;
+
+- atomic_long_t mesq_receive;
+- atomic_long_t mesq_receive_none;
+- atomic_long_t mesq_send;
+- atomic_long_t mesq_send_failed;
+- atomic_long_t mesq_noop;
+- atomic_long_t mesq_send_unexpected_error;
+- atomic_long_t mesq_send_lb_overflow;
+- atomic_long_t mesq_send_qlimit_reached;
+- atomic_long_t mesq_send_amo_nacked;
+- atomic_long_t mesq_send_put_nacked;
+- atomic_long_t mesq_page_overflow;
+- atomic_long_t mesq_qf_locked;
+- atomic_long_t mesq_qf_noop_not_full;
+- atomic_long_t mesq_qf_switch_head_failed;
+- atomic_long_t mesq_qf_unexpected_error;
+- atomic_long_t mesq_noop_unexpected_error;
+- atomic_long_t mesq_noop_lb_overflow;
+- atomic_long_t mesq_noop_qlimit_reached;
+- atomic_long_t mesq_noop_amo_nacked;
+- atomic_long_t mesq_noop_put_nacked;
+- atomic_long_t mesq_noop_page_overflow;
++ atomic_long_unchecked_t mesq_receive;
++ atomic_long_unchecked_t mesq_receive_none;
++ atomic_long_unchecked_t mesq_send;
++ atomic_long_unchecked_t mesq_send_failed;
++ atomic_long_unchecked_t mesq_noop;
++ atomic_long_unchecked_t mesq_send_unexpected_error;
++ atomic_long_unchecked_t mesq_send_lb_overflow;
++ atomic_long_unchecked_t mesq_send_qlimit_reached;
++ atomic_long_unchecked_t mesq_send_amo_nacked;
++ atomic_long_unchecked_t mesq_send_put_nacked;
++ atomic_long_unchecked_t mesq_page_overflow;
++ atomic_long_unchecked_t mesq_qf_locked;
++ atomic_long_unchecked_t mesq_qf_noop_not_full;
++ atomic_long_unchecked_t mesq_qf_switch_head_failed;
++ atomic_long_unchecked_t mesq_qf_unexpected_error;
++ atomic_long_unchecked_t mesq_noop_unexpected_error;
++ atomic_long_unchecked_t mesq_noop_lb_overflow;
++ atomic_long_unchecked_t mesq_noop_qlimit_reached;
++ atomic_long_unchecked_t mesq_noop_amo_nacked;
++ atomic_long_unchecked_t mesq_noop_put_nacked;
++ atomic_long_unchecked_t mesq_noop_page_overflow;
+
+ };
+
+@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync,
+ tghop_invalidate, mcsop_last};
+
+ struct mcs_op_statistic {
+- atomic_long_t count;
+- atomic_long_t total;
++ atomic_long_unchecked_t count;
++ atomic_long_unchecked_t total;
+ unsigned long max;
+ };
+
+@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
+
+ #define STAT(id) do { \
+ if (gru_options & OPT_STATS) \
+- atomic_long_inc(&gru_stats.id); \
++ atomic_long_inc_unchecked(&gru_stats.id); \
+ } while (0)
+
+ #ifdef CONFIG_SGI_GRU_DEBUG
+diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
+index c862cd4..0d176fe 100644
+--- a/drivers/misc/sgi-xp/xp.h
++++ b/drivers/misc/sgi-xp/xp.h
+@@ -288,7 +288,7 @@ struct xpc_interface {
+ xpc_notify_func, void *);
+ void (*received) (short, int, void *);
+ enum xp_retval (*partid_to_nasids) (short, void *);
+-};
++} __no_const;
+
+ extern struct xpc_interface xpc_interface;
+
+diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
+index b94d5f7..7f494c5 100644
+--- a/drivers/misc/sgi-xp/xpc.h
++++ b/drivers/misc/sgi-xp/xpc.h
+@@ -835,6 +835,7 @@ struct xpc_arch_operations {
+ void (*received_payload) (struct xpc_channel *, void *);
+ void (*notify_senders_of_disconnect) (struct xpc_channel *);
+ };
++typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const;
+
+ /* struct xpc_partition act_state values (for XPC HB) */
+
+@@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[];
+ /* found in xpc_main.c */
+ extern struct device *xpc_part;
+ extern struct device *xpc_chan;
+-extern struct xpc_arch_operations xpc_arch_ops;
++extern xpc_arch_operations_no_const xpc_arch_ops;
+ extern int xpc_disengage_timelimit;
+ extern int xpc_disengage_timedout;
+ extern int xpc_activate_IRQ_rcvd;
+diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
+index 8d082b4..aa749ae 100644
+--- a/drivers/misc/sgi-xp/xpc_main.c
++++ b/drivers/misc/sgi-xp/xpc_main.c
+@@ -162,7 +162,7 @@ static struct notifier_block xpc_die_notifier = {
+ .notifier_call = xpc_system_die,
+ };
+
+-struct xpc_arch_operations xpc_arch_ops;
++xpc_arch_operations_no_const xpc_arch_ops;
+
+ /*
+ * Timer function to enforce the timelimit on the partition disengage.
+diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
+index 504da71..9722d43 100644
+--- a/drivers/mmc/host/sdhci-pci.c
++++ b/drivers/mmc/host/sdhci-pci.c
+@@ -653,7 +653,7 @@ static const struct sdhci_pci_fixes sdhci_via = {
+ .probe = via_probe,
+ };
+
+-static const struct pci_device_id pci_ids[] __devinitdata = {
++static const struct pci_device_id pci_ids[] __devinitconst = {
+ {
+ .vendor = PCI_VENDOR_ID_RICOH,
+ .device = PCI_DEVICE_ID_RICOH_R5C822,
+diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
+index a4eb8b5..8c0628f 100644
+--- a/drivers/mtd/devices/doc2000.c
++++ b/drivers/mtd/devices/doc2000.c
+@@ -753,7 +753,7 @@ static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,
+
+ /* The ECC will not be calculated correctly if less than 512 is written */
+ /* DBB-
+- if (len != 0x200 && eccbuf)
++ if (len != 0x200)
+ printk(KERN_WARNING
+ "ECC needs a full sector write (adr: %lx size %lx)\n",
+ (long) to, (long) len);
+diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
+index 0650aaf..7718762 100644
+--- a/drivers/mtd/nand/denali.c
++++ b/drivers/mtd/nand/denali.c
+@@ -26,6 +26,7 @@
+ #include <linux/pci.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/module.h>
++#include <linux/slab.h>
+
+ #include "denali.h"
+
+diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
+index 51b9d6a..52af9a7 100644
+--- a/drivers/mtd/nftlmount.c
++++ b/drivers/mtd/nftlmount.c
+@@ -24,6 +24,7 @@
+ #include <asm/errno.h>
+ #include <linux/delay.h>
+ #include <linux/slab.h>
++#include <linux/sched.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/nand.h>
+ #include <linux/mtd/nftl.h>
+diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
+index dc15d24..ef8d2a0 100644
+--- a/drivers/net/bonding/bond_sysfs.c
++++ b/drivers/net/bonding/bond_sysfs.c
+@@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d,
+ goto out;
+ }
+
+- sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
++ sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
+
+ /* check to see if we are clearing primary */
+ if (!strlen(ifname) || buf[0] == '\n') {
+@@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d,
+ goto out;
+ }
+
+- sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
++ sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
+
+ /* check to see if we are clearing active */
+ if (!strlen(ifname) || buf[0] == '\n') {
+diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
+index 57d64b8..623dd86 100644
+--- a/drivers/net/ethernet/atheros/atlx/atl2.c
++++ b/drivers/net/ethernet/atheros/atlx/atl2.c
+@@ -2845,7 +2845,7 @@ static void atl2_force_ps(struct atl2_hw *hw)
+ */
+
+ #define ATL2_PARAM(X, desc) \
+- static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \
++ static const int __devinitconst X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \
+ MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \
+ MODULE_PARM_DESC(X, desc);
+ #else
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+index 0875ecf..794cdf3 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+@@ -3051,9 +3051,8 @@ static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
+ struct eth_stats_info *ether_stat =
+ &bp->slowpath->drv_info_to_mcp.ether_stat;
+
+- /* leave last char as NULL */
+- memcpy(ether_stat->version, DRV_MODULE_VERSION,
+- ETH_STAT_INFO_VERSION_LEN - 1);
++ strlcpy(ether_stat->version, DRV_MODULE_VERSION,
++ ETH_STAT_INFO_VERSION_LEN);
+
+ bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
+ DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
+index f83e033..8b4f43a 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
+@@ -486,7 +486,7 @@ struct bnx2x_rx_mode_obj {
+
+ int (*wait_comp)(struct bnx2x *bp,
+ struct bnx2x_rx_mode_ramrod_params *p);
+-};
++} __no_const;
+
+ /********************** Set multicast group ***********************************/
+
+diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
+index 6d52cb2..bc95640 100644
+--- a/drivers/net/ethernet/broadcom/tg3.h
++++ b/drivers/net/ethernet/broadcom/tg3.h
+@@ -140,6 +140,7 @@
+ #define CHIPREV_ID_5750_A0 0x4000
+ #define CHIPREV_ID_5750_A1 0x4001
+ #define CHIPREV_ID_5750_A3 0x4003
++#define CHIPREV_ID_5750_C1 0x4201
+ #define CHIPREV_ID_5750_C2 0x4202
+ #define CHIPREV_ID_5752_A0_HW 0x5000
+ #define CHIPREV_ID_5752_A0 0x6000
+diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
+index 8cffcdf..aadf043 100644
+--- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h
++++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
+@@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
+ */
+ struct l2t_skb_cb {
+ arp_failure_handler_func arp_failure_handler;
+-};
++} __no_const;
+
+ #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb)
+
+diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
+index f879e92..726f20f 100644
+--- a/drivers/net/ethernet/dec/tulip/de4x5.c
++++ b/drivers/net/ethernet/dec/tulip/de4x5.c
+@@ -5388,7 +5388,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+ for (i=0; i<ETH_ALEN; i++) {
+ tmp.addr[i] = dev->dev_addr[i];
+ }
+- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
++ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
+ break;
+
+ case DE4X5_SET_HWADDR: /* Set the hardware address */
+@@ -5428,7 +5428,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+ spin_lock_irqsave(&lp->lock, flags);
+ memcpy(&statbuf, &lp->pktStats, ioc->len);
+ spin_unlock_irqrestore(&lp->lock, flags);
+- if (copy_to_user(ioc->data, &statbuf, ioc->len))
++ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len))
+ return -EFAULT;
+ break;
+ }
+diff --git a/drivers/net/ethernet/dec/tulip/eeprom.c b/drivers/net/ethernet/dec/tulip/eeprom.c
+index ed7d1dc..d426748 100644
+--- a/drivers/net/ethernet/dec/tulip/eeprom.c
++++ b/drivers/net/ethernet/dec/tulip/eeprom.c
+@@ -79,7 +79,7 @@ static struct eeprom_fixup eeprom_fixups[] __devinitdata = {
+ {NULL}};
+
+
+-static const char *block_name[] __devinitdata = {
++static const char *block_name[] __devinitconst = {
+ "21140 non-MII",
+ "21140 MII PHY",
+ "21142 Serial PHY",
+diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c
+index 75d45f8..3d9c55b 100644
+--- a/drivers/net/ethernet/dec/tulip/uli526x.c
++++ b/drivers/net/ethernet/dec/tulip/uli526x.c
+@@ -129,7 +129,7 @@ struct uli526x_board_info {
+ struct uli_phy_ops {
+ void (*write)(struct uli526x_board_info *, u8, u8, u16);
+ u16 (*read)(struct uli526x_board_info *, u8, u8);
+- } phy;
++ } __no_const phy;
+ struct net_device *next_dev; /* next device */
+ struct pci_dev *pdev; /* PCI device */
+ spinlock_t lock;
+diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c
+index 4d1ffca..7c1ec4d 100644
+--- a/drivers/net/ethernet/dec/tulip/winbond-840.c
++++ b/drivers/net/ethernet/dec/tulip/winbond-840.c
+@@ -236,7 +236,7 @@ struct pci_id_info {
+ int drv_flags; /* Driver use, intended as capability flags. */
+ };
+
+-static const struct pci_id_info pci_id_tbl[] __devinitdata = {
++static const struct pci_id_info pci_id_tbl[] __devinitconst = {
+ { /* Sometime a Level-One switch card. */
+ "Winbond W89c840", CanHaveMII | HasBrokenTx | FDXOnNoMII},
+ { "Winbond W89c840", CanHaveMII | HasBrokenTx},
+diff --git a/drivers/net/ethernet/dlink/sundance.c b/drivers/net/ethernet/dlink/sundance.c
+index d7bb52a..3b83588 100644
+--- a/drivers/net/ethernet/dlink/sundance.c
++++ b/drivers/net/ethernet/dlink/sundance.c
+@@ -218,7 +218,7 @@ enum {
+ struct pci_id_info {
+ const char *name;
+ };
+-static const struct pci_id_info pci_id_tbl[] __devinitdata = {
++static const struct pci_id_info pci_id_tbl[] __devinitconst = {
+ {"D-Link DFE-550TX FAST Ethernet Adapter"},
+ {"D-Link DFE-550FX 100Mbps Fiber-optics Adapter"},
+ {"D-Link DFE-580TX 4 port Server Adapter"},
+diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
+index 78b8aa8..dd6323a 100644
+--- a/drivers/net/ethernet/emulex/benet/be_main.c
++++ b/drivers/net/ethernet/emulex/benet/be_main.c
+@@ -403,7 +403,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val)
+
+ if (wrapped)
+ newacc += 65536;
+- ACCESS_ONCE(*acc) = newacc;
++ ACCESS_ONCE_RW(*acc) = newacc;
+ }
+
+ void be_parse_stats(struct be_adapter *adapter)
+diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
+index 74d749e..eefb1bd 100644
+--- a/drivers/net/ethernet/faraday/ftgmac100.c
++++ b/drivers/net/ethernet/faraday/ftgmac100.c
+@@ -31,6 +31,8 @@
+ #include <linux/netdevice.h>
+ #include <linux/phy.h>
+ #include <linux/platform_device.h>
++#include <linux/interrupt.h>
++#include <linux/irqreturn.h>
+ #include <net/ip.h>
+
+ #include "ftgmac100.h"
+diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c
+index b901a01..1ff32ee 100644
+--- a/drivers/net/ethernet/faraday/ftmac100.c
++++ b/drivers/net/ethernet/faraday/ftmac100.c
+@@ -31,6 +31,8 @@
+ #include <linux/module.h>
+ #include <linux/netdevice.h>
+ #include <linux/platform_device.h>
++#include <linux/interrupt.h>
++#include <linux/irqreturn.h>
+
+ #include "ftmac100.h"
+
+diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c
+index 9d71c9c..0e4a0ac 100644
+--- a/drivers/net/ethernet/fealnx.c
++++ b/drivers/net/ethernet/fealnx.c
+@@ -150,7 +150,7 @@ struct chip_info {
+ int flags;
+ };
+
+-static const struct chip_info skel_netdrv_tbl[] __devinitdata = {
++static const struct chip_info skel_netdrv_tbl[] __devinitconst = {
+ { "100/10M Ethernet PCI Adapter", HAS_MII_XCVR },
+ { "100/10M Ethernet PCI Adapter", HAS_CHIP_XCVR },
+ { "1000/100/10M Ethernet PCI Adapter", HAS_MII_XCVR },
+diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
+index ed5b409..ec37828 100644
+--- a/drivers/net/ethernet/intel/e1000e/hw.h
++++ b/drivers/net/ethernet/intel/e1000e/hw.h
+@@ -797,6 +797,7 @@ struct e1000_mac_operations {
+ void (*rar_set)(struct e1000_hw *, u8 *, u32);
+ s32 (*read_mac_addr)(struct e1000_hw *);
+ };
++typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
+
+ /*
+ * When to use various PHY register access functions:
+@@ -837,6 +838,7 @@ struct e1000_phy_operations {
+ void (*power_up)(struct e1000_hw *);
+ void (*power_down)(struct e1000_hw *);
+ };
++typedef struct e1000_phy_operations __no_const e1000_phy_operations_no_const;
+
+ /* Function pointers for the NVM. */
+ struct e1000_nvm_operations {
+@@ -849,9 +851,10 @@ struct e1000_nvm_operations {
+ s32 (*validate)(struct e1000_hw *);
+ s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
+ };
++typedef struct e1000_nvm_operations __no_const e1000_nvm_operations_no_const;
+
+ struct e1000_mac_info {
+- struct e1000_mac_operations ops;
++ e1000_mac_operations_no_const ops;
+ u8 addr[ETH_ALEN];
+ u8 perm_addr[ETH_ALEN];
+
+@@ -892,7 +895,7 @@ struct e1000_mac_info {
+ };
+
+ struct e1000_phy_info {
+- struct e1000_phy_operations ops;
++ e1000_phy_operations_no_const ops;
+
+ enum e1000_phy_type type;
+
+@@ -926,7 +929,7 @@ struct e1000_phy_info {
+ };
+
+ struct e1000_nvm_info {
+- struct e1000_nvm_operations ops;
++ e1000_nvm_operations_no_const ops;
+
+ enum e1000_nvm_type type;
+ enum e1000_nvm_override override;
+diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h
+index c2a51dc..c2bd262 100644
+--- a/drivers/net/ethernet/intel/igb/e1000_hw.h
++++ b/drivers/net/ethernet/intel/igb/e1000_hw.h
+@@ -327,6 +327,7 @@ struct e1000_mac_operations {
+ void (*release_swfw_sync)(struct e1000_hw *, u16);
+
+ };
++typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
+
+ struct e1000_phy_operations {
+ s32 (*acquire)(struct e1000_hw *);
+@@ -343,6 +344,7 @@ struct e1000_phy_operations {
+ s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
+ s32 (*write_reg)(struct e1000_hw *, u32, u16);
+ };
++typedef struct e1000_phy_operations __no_const e1000_phy_operations_no_const;
+
+ struct e1000_nvm_operations {
+ s32 (*acquire)(struct e1000_hw *);
+@@ -353,6 +355,7 @@ struct e1000_nvm_operations {
+ s32 (*validate)(struct e1000_hw *);
+ s32 (*valid_led_default)(struct e1000_hw *, u16 *);
+ };
++typedef struct e1000_nvm_operations __no_const e1000_nvm_operations_no_const;
+
+ struct e1000_info {
+ s32 (*get_invariants)(struct e1000_hw *);
+@@ -364,7 +367,7 @@ struct e1000_info {
+ extern const struct e1000_info e1000_82575_info;
+
+ struct e1000_mac_info {
+- struct e1000_mac_operations ops;
++ e1000_mac_operations_no_const ops;
+
+ u8 addr[6];
+ u8 perm_addr[6];
+@@ -402,7 +405,7 @@ struct e1000_mac_info {
+ };
+
+ struct e1000_phy_info {
+- struct e1000_phy_operations ops;
++ e1000_phy_operations_no_const ops;
+
+ enum e1000_phy_type type;
+
+@@ -437,7 +440,7 @@ struct e1000_phy_info {
+ };
+
+ struct e1000_nvm_info {
+- struct e1000_nvm_operations ops;
++ e1000_nvm_operations_no_const ops;
+ enum e1000_nvm_type type;
+ enum e1000_nvm_override override;
+
+@@ -482,6 +485,7 @@ struct e1000_mbx_operations {
+ s32 (*check_for_ack)(struct e1000_hw *, u16);
+ s32 (*check_for_rst)(struct e1000_hw *, u16);
+ };
++typedef struct e1000_mbx_operations __no_const e1000_mbx_operations_no_const;
+
+ struct e1000_mbx_stats {
+ u32 msgs_tx;
+@@ -493,7 +497,7 @@ struct e1000_mbx_stats {
+ };
+
+ struct e1000_mbx_info {
+- struct e1000_mbx_operations ops;
++ e1000_mbx_operations_no_const ops;
+ struct e1000_mbx_stats stats;
+ u32 timeout;
+ u32 usec_delay;
+diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h
+index 57db3c6..aa825fc 100644
+--- a/drivers/net/ethernet/intel/igbvf/vf.h
++++ b/drivers/net/ethernet/intel/igbvf/vf.h
+@@ -189,9 +189,10 @@ struct e1000_mac_operations {
+ s32 (*read_mac_addr)(struct e1000_hw *);
+ s32 (*set_vfta)(struct e1000_hw *, u16, bool);
+ };
++typedef struct e1000_mac_operations __no_const e1000_mac_operations_no_const;
+
+ struct e1000_mac_info {
+- struct e1000_mac_operations ops;
++ e1000_mac_operations_no_const ops;
+ u8 addr[6];
+ u8 perm_addr[6];
+
+@@ -213,6 +214,7 @@ struct e1000_mbx_operations {
+ s32 (*check_for_ack)(struct e1000_hw *);
+ s32 (*check_for_rst)(struct e1000_hw *);
+ };
++typedef struct e1000_mbx_operations __no_const e1000_mbx_operations_no_const;
+
+ struct e1000_mbx_stats {
+ u32 msgs_tx;
+@@ -224,7 +226,7 @@ struct e1000_mbx_stats {
+ };
+
+ struct e1000_mbx_info {
+- struct e1000_mbx_operations ops;
++ e1000_mbx_operations_no_const ops;
+ struct e1000_mbx_stats stats;
+ u32 timeout;
+ u32 usec_delay;
+diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+index 3456d56..b688d81 100644
+--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+@@ -884,7 +884,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter)
+ /* store the new cycle speed */
+ adapter->cycle_speed = cycle_speed;
+
+- ACCESS_ONCE(adapter->base_incval) = incval;
++ ACCESS_ONCE_RW(adapter->base_incval) = incval;
+ smp_mb();
+
+ /* grab the ptp lock */
+diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+index 400f86a..7f2e062 100644
+--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+@@ -2799,6 +2799,7 @@ struct ixgbe_eeprom_operations {
+ s32 (*update_checksum)(struct ixgbe_hw *);
+ u16 (*calc_checksum)(struct ixgbe_hw *);
+ };
++typedef struct ixgbe_eeprom_operations __no_const ixgbe_eeprom_operations_no_const;
+
+ struct ixgbe_mac_operations {
+ s32 (*init_hw)(struct ixgbe_hw *);
+@@ -2865,6 +2866,7 @@ struct ixgbe_mac_operations {
+ s32 (*get_thermal_sensor_data)(struct ixgbe_hw *);
+ s32 (*init_thermal_sensor_thresh)(struct ixgbe_hw *hw);
+ };
++typedef struct ixgbe_mac_operations __no_const ixgbe_mac_operations_no_const;
+
+ struct ixgbe_phy_operations {
+ s32 (*identify)(struct ixgbe_hw *);
+@@ -2884,9 +2886,10 @@ struct ixgbe_phy_operations {
+ s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8);
+ s32 (*check_overtemp)(struct ixgbe_hw *);
+ };
++typedef struct ixgbe_phy_operations __no_const ixgbe_phy_operations_no_const;
+
+ struct ixgbe_eeprom_info {
+- struct ixgbe_eeprom_operations ops;
++ ixgbe_eeprom_operations_no_const ops;
+ enum ixgbe_eeprom_type type;
+ u32 semaphore_delay;
+ u16 word_size;
+@@ -2896,7 +2899,7 @@ struct ixgbe_eeprom_info {
+
+ #define IXGBE_FLAGS_DOUBLE_RESET_REQUIRED 0x01
+ struct ixgbe_mac_info {
+- struct ixgbe_mac_operations ops;
++ ixgbe_mac_operations_no_const ops;
+ enum ixgbe_mac_type type;
+ u8 addr[ETH_ALEN];
+ u8 perm_addr[ETH_ALEN];
+@@ -2926,7 +2929,7 @@ struct ixgbe_mac_info {
+ };
+
+ struct ixgbe_phy_info {
+- struct ixgbe_phy_operations ops;
++ ixgbe_phy_operations_no_const ops;
+ struct mdio_if_info mdio;
+ enum ixgbe_phy_type type;
+ u32 id;
+@@ -2954,6 +2957,7 @@ struct ixgbe_mbx_operations {
+ s32 (*check_for_ack)(struct ixgbe_hw *, u16);
+ s32 (*check_for_rst)(struct ixgbe_hw *, u16);
+ };
++typedef struct ixgbe_mbx_operations __no_const ixgbe_mbx_operations_no_const;
+
+ struct ixgbe_mbx_stats {
+ u32 msgs_tx;
+@@ -2965,7 +2969,7 @@ struct ixgbe_mbx_stats {
+ };
+
+ struct ixgbe_mbx_info {
+- struct ixgbe_mbx_operations ops;
++ ixgbe_mbx_operations_no_const ops;
+ struct ixgbe_mbx_stats stats;
+ u32 timeout;
+ u32 usec_delay;
+diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
+index 25c951d..cc7cf33 100644
+--- a/drivers/net/ethernet/intel/ixgbevf/vf.h
++++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
+@@ -70,6 +70,7 @@ struct ixgbe_mac_operations {
+ s32 (*clear_vfta)(struct ixgbe_hw *);
+ s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
+ };
++typedef struct ixgbe_mac_operations __no_const ixgbe_mac_operations_no_const;
+
+ enum ixgbe_mac_type {
+ ixgbe_mac_unknown = 0,
+@@ -79,7 +80,7 @@ enum ixgbe_mac_type {
+ };
+
+ struct ixgbe_mac_info {
+- struct ixgbe_mac_operations ops;
++ ixgbe_mac_operations_no_const ops;
+ u8 addr[6];
+ u8 perm_addr[6];
+
+@@ -103,6 +104,7 @@ struct ixgbe_mbx_operations {
+ s32 (*check_for_ack)(struct ixgbe_hw *);
+ s32 (*check_for_rst)(struct ixgbe_hw *);
+ };
++typedef struct ixgbe_mbx_operations __no_const ixgbe_mbx_operations_no_const;
+
+ struct ixgbe_mbx_stats {
+ u32 msgs_tx;
+@@ -114,7 +116,7 @@ struct ixgbe_mbx_stats {
+ };
+
+ struct ixgbe_mbx_info {
+- struct ixgbe_mbx_operations ops;
++ ixgbe_mbx_operations_no_const ops;
+ struct ixgbe_mbx_stats stats;
+ u32 timeout;
+ u32 udelay;
+diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.h b/drivers/net/ethernet/neterion/vxge/vxge-config.h
+index 9e0c1ee..8471f77 100644
+--- a/drivers/net/ethernet/neterion/vxge/vxge-config.h
++++ b/drivers/net/ethernet/neterion/vxge/vxge-config.h
+@@ -514,7 +514,7 @@ struct vxge_hw_uld_cbs {
+ void (*link_down)(struct __vxge_hw_device *devh);
+ void (*crit_err)(struct __vxge_hw_device *devh,
+ enum vxge_hw_event type, u64 ext_data);
+-};
++} __no_const;
+
+ /*
+ * struct __vxge_hw_blockpool_entry - Block private data structure
+diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.h b/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
+index 4a518a3..936b334 100644
+--- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
++++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.h
+@@ -2088,7 +2088,7 @@ struct vxge_hw_mempool_cbs {
+ struct vxge_hw_mempool_dma *dma_object,
+ u32 index,
+ u32 is_last);
+-};
++} __no_const;
+
+ #define VXGE_HW_VIRTUAL_PATH_HANDLE(vpath) \
+ ((struct __vxge_hw_vpath_handle *)(vpath)->vpath_handles.next)
+diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
+index 53743f7..af8b414 100644
+--- a/drivers/net/ethernet/nxp/lpc_eth.c
++++ b/drivers/net/ethernet/nxp/lpc_eth.c
+@@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
+ pldat->dma_buff_base_p);
+ free_irq(ndev->irq, ndev);
+ iounmap(pldat->net_base);
++ mdiobus_unregister(pldat->mii_bus);
+ mdiobus_free(pldat->mii_bus);
+ clk_disable(pldat->clk);
+ clk_put(pldat->clk);
+diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
+index b47d5b3..273a516 100644
+--- a/drivers/net/ethernet/realtek/r8169.c
++++ b/drivers/net/ethernet/realtek/r8169.c
+@@ -745,22 +745,22 @@ struct rtl8169_private {
+ struct mdio_ops {
+ void (*write)(struct rtl8169_private *, int, int);
+ int (*read)(struct rtl8169_private *, int);
+- } mdio_ops;
++ } __no_const mdio_ops;
+
+ struct pll_power_ops {
+ void (*down)(struct rtl8169_private *);
+ void (*up)(struct rtl8169_private *);
+- } pll_power_ops;
++ } __no_const pll_power_ops;
+
+ struct jumbo_ops {
+ void (*enable)(struct rtl8169_private *);
+ void (*disable)(struct rtl8169_private *);
+- } jumbo_ops;
++ } __no_const jumbo_ops;
+
+ struct csi_ops {
+ void (*write)(struct rtl8169_private *, int, int);
+ u32 (*read)(struct rtl8169_private *, int);
+- } csi_ops;
++ } __no_const csi_ops;
+
+ int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
+ int (*get_settings)(struct net_device *, struct ethtool_cmd *);
+diff --git a/drivers/net/ethernet/sis/sis190.c b/drivers/net/ethernet/sis/sis190.c
+index 4613591..d816601 100644
+--- a/drivers/net/ethernet/sis/sis190.c
++++ b/drivers/net/ethernet/sis/sis190.c
+@@ -1618,7 +1618,7 @@ static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
+ static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
+ struct net_device *dev)
+ {
+- static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
++ static const u16 __devinitconst ids[] = { 0x0965, 0x0966, 0x0968 };
+ struct sis190_private *tp = netdev_priv(dev);
+ struct pci_dev *isa_bridge;
+ u8 reg, tmp8;
+diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+index 0c74a70..3bc6f68 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+@@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode)
+
+ writel(value, ioaddr + MMC_CNTRL);
+
+- pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
+- MMC_CNTRL, value);
++// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
++// MMC_CNTRL, value);
+ }
+
+ /* To mask all all interrupts.*/
+diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
+index 95ceb35..318fc12 100644
+--- a/drivers/net/hyperv/hyperv_net.h
++++ b/drivers/net/hyperv/hyperv_net.h
+@@ -99,7 +99,7 @@ struct rndis_device {
+
+ enum rndis_device_state state;
+ bool link_state;
+- atomic_t new_req_id;
++ atomic_unchecked_t new_req_id;
+
+ spinlock_t request_lock;
+ struct list_head req_list;
+diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
+index 1e88a10..1b01736 100644
+--- a/drivers/net/hyperv/rndis_filter.c
++++ b/drivers/net/hyperv/rndis_filter.c
+@@ -99,7 +99,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev,
+ * template
+ */
+ set = &rndis_msg->msg.set_req;
+- set->req_id = atomic_inc_return(&dev->new_req_id);
++ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
+
+ /* Add to the request list */
+ spin_lock_irqsave(&dev->request_lock, flags);
+@@ -730,7 +730,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev)
+
+ /* Setup the rndis set */
+ halt = &request->request_msg.msg.halt_req;
+- halt->req_id = atomic_inc_return(&dev->new_req_id);
++ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
+
+ /* Ignore return since this msg is optional. */
+ rndis_filter_send_request(dev, request);
+diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
+index daec9b0..6428fcb 100644
+--- a/drivers/net/phy/mdio-bitbang.c
++++ b/drivers/net/phy/mdio-bitbang.c
+@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
+ struct mdiobb_ctrl *ctrl = bus->priv;
+
+ module_put(ctrl->ops->owner);
++ mdiobus_unregister(bus);
+ mdiobus_free(bus);
+ }
+ EXPORT_SYMBOL(free_mdio_bitbang);
+diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
+index 5c05572..389610b 100644
+--- a/drivers/net/ppp/ppp_generic.c
++++ b/drivers/net/ppp/ppp_generic.c
+@@ -986,7 +986,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data;
+ struct ppp_stats stats;
+ struct ppp_comp_stats cstats;
+- char *vers;
+
+ switch (cmd) {
+ case SIOCGPPPSTATS:
+@@ -1008,8 +1007,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ break;
+
+ case SIOCGPPPVER:
+- vers = PPP_VERSION;
+- if (copy_to_user(addr, vers, strlen(vers) + 1))
++ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION)))
+ break;
+ err = 0;
+ break;
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index 3a16d4f..a311cec 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -1367,7 +1367,7 @@ static int set_offload(struct tun_struct *tun, unsigned long arg)
+ }
+
+ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
+- unsigned long arg, int ifreq_len)
++ unsigned long arg, size_t ifreq_len)
+ {
+ struct tun_file *tfile = file->private_data;
+ struct tun_struct *tun;
+@@ -1378,6 +1378,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
+ int vnet_hdr_sz;
+ int ret;
+
++ if (ifreq_len > sizeof ifr)
++ return -EFAULT;
++
+ if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89) {
+ if (copy_from_user(&ifr, argp, ifreq_len))
+ return -EFAULT;
+diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
+index 62f30b4..ff99dfd 100644
+--- a/drivers/net/usb/hso.c
++++ b/drivers/net/usb/hso.c
+@@ -71,7 +71,7 @@
+ #include <asm/byteorder.h>
+ #include <linux/serial_core.h>
+ #include <linux/serial.h>
+-
++#include <asm/local.h>
+
+ #define MOD_AUTHOR "Option Wireless"
+ #define MOD_DESCRIPTION "USB High Speed Option driver"
+@@ -1182,7 +1182,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial)
+ struct urb *urb;
+
+ urb = serial->rx_urb[0];
+- if (serial->port.count > 0) {
++ if (atomic_read(&serial->port.count) > 0) {
+ count = put_rxbuf_data(urb, serial);
+ if (count == -1)
+ return;
+@@ -1218,7 +1218,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
+ DUMP1(urb->transfer_buffer, urb->actual_length);
+
+ /* Anyone listening? */
+- if (serial->port.count == 0)
++ if (atomic_read(&serial->port.count) == 0)
+ return;
+
+ if (status == 0) {
+@@ -1300,8 +1300,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
+ tty_port_tty_set(&serial->port, tty);
+
+ /* check for port already opened, if not set the termios */
+- serial->port.count++;
+- if (serial->port.count == 1) {
++ if (atomic_inc_return(&serial->port.count) == 1) {
+ serial->rx_state = RX_IDLE;
+ /* Force default termio settings */
+ _hso_serial_set_termios(tty, NULL);
+@@ -1313,7 +1312,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
+ result = hso_start_serial_device(serial->parent, GFP_KERNEL);
+ if (result) {
+ hso_stop_serial_device(serial->parent);
+- serial->port.count--;
++ atomic_dec(&serial->port.count);
+ kref_put(&serial->parent->ref, hso_serial_ref_free);
+ }
+ } else {
+@@ -1350,10 +1349,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
+
+ /* reset the rts and dtr */
+ /* do the actual close */
+- serial->port.count--;
++ atomic_dec(&serial->port.count);
+
+- if (serial->port.count <= 0) {
+- serial->port.count = 0;
++ if (atomic_read(&serial->port.count) <= 0) {
++ atomic_set(&serial->port.count, 0);
+ tty_port_tty_set(&serial->port, NULL);
+ if (!usb_gone)
+ hso_stop_serial_device(serial->parent);
+@@ -1429,7 +1428,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old)
+
+ /* the actual setup */
+ spin_lock_irqsave(&serial->serial_lock, flags);
+- if (serial->port.count)
++ if (atomic_read(&serial->port.count))
+ _hso_serial_set_termios(tty, old);
+ else
+ tty->termios = old;
+@@ -1888,7 +1887,7 @@ static void intr_callback(struct urb *urb)
+ D1("Pending read interrupt on port %d\n", i);
+ spin_lock(&serial->serial_lock);
+ if (serial->rx_state == RX_IDLE &&
+- serial->port.count > 0) {
++ atomic_read(&serial->port.count) > 0) {
+ /* Setup and send a ctrl req read on
+ * port i */
+ if (!serial->rx_urb_filled[0]) {
+@@ -3079,7 +3078,7 @@ static int hso_resume(struct usb_interface *iface)
+ /* Start all serial ports */
+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
+ if (serial_table[i] && (serial_table[i]->interface == iface)) {
+- if (dev2ser(serial_table[i])->port.count) {
++ if (atomic_read(&dev2ser(serial_table[i])->port.count)) {
+ result =
+ hso_start_serial_device(serial_table[i], GFP_NOIO);
+ hso_kick_transmit(dev2ser(serial_table[i]));
+diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
+index 6169fbd..40e8422 100644
+--- a/drivers/net/wireless/ath/ath.h
++++ b/drivers/net/wireless/ath/ath.h
+@@ -119,6 +119,7 @@ struct ath_ops {
+ void (*write_flush) (void *);
+ u32 (*rmw)(void *, u32 reg_offset, u32 set, u32 clr);
+ };
++typedef struct ath_ops __no_const ath_ops_no_const;
+
+ struct ath_common;
+ struct ath_bus_ops;
+diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
+index 2aab20e..b761ef8 100644
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -1803,7 +1803,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+ {
+ int ret;
+ struct ath5k_hw *ah = hw->priv;
+- struct ath5k_vif *avf = (void *)vif->drv_priv;
++ struct ath5k_vif *avf;
+ struct sk_buff *skb;
+
+ if (WARN_ON(!vif)) {
+@@ -1818,6 +1818,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+ goto out;
+ }
+
++ avf = (void *)vif->drv_priv;
+ ath5k_txbuf_free_skb(ah, avf->bbuf);
+ avf->bbuf->skb = skb;
+ ret = ath5k_beacon_setup(ah, avf->bbuf);
+diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+index 8d78253..bebbb68 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+@@ -184,8 +184,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+ ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
+ ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
+
+- ACCESS_ONCE(ads->ds_link) = i->link;
+- ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];
++ ACCESS_ONCE_RW(ads->ds_link) = i->link;
++ ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0];
+
+ ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
+ ctl6 = SM(i->keytype, AR_EncrType);
+@@ -199,26 +199,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+
+ if ((i->is_first || i->is_last) &&
+ i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
+- ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0)
+ | set11nTries(i->rates, 1)
+ | set11nTries(i->rates, 2)
+ | set11nTries(i->rates, 3)
+ | (i->dur_update ? AR_DurUpdateEna : 0)
+ | SM(0, AR_BurstDur);
+
+- ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0)
+ | set11nRate(i->rates, 1)
+ | set11nRate(i->rates, 2)
+ | set11nRate(i->rates, 3);
+ } else {
+- ACCESS_ONCE(ads->ds_ctl2) = 0;
+- ACCESS_ONCE(ads->ds_ctl3) = 0;
++ ACCESS_ONCE_RW(ads->ds_ctl2) = 0;
++ ACCESS_ONCE_RW(ads->ds_ctl3) = 0;
+ }
+
+ if (!i->is_first) {
+- ACCESS_ONCE(ads->ds_ctl0) = 0;
+- ACCESS_ONCE(ads->ds_ctl1) = ctl1;
+- ACCESS_ONCE(ads->ds_ctl6) = ctl6;
++ ACCESS_ONCE_RW(ads->ds_ctl0) = 0;
++ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
++ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
+ return;
+ }
+
+@@ -243,7 +243,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+ break;
+ }
+
+- ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
++ ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
+ | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+ | SM(i->txpower, AR_XmitPower)
+ | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+@@ -253,19 +253,19 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+ | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
+ (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
+
+- ACCESS_ONCE(ads->ds_ctl1) = ctl1;
+- ACCESS_ONCE(ads->ds_ctl6) = ctl6;
++ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
++ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
+
+ if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
+ return;
+
+- ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
+ | set11nPktDurRTSCTS(i->rates, 1);
+
+- ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
++ ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
+ | set11nPktDurRTSCTS(i->rates, 3);
+
+- ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
+ | set11nRateFlags(i->rates, 1)
+ | set11nRateFlags(i->rates, 2)
+ | set11nRateFlags(i->rates, 3)
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+index 78816b8..1fcdfae 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+@@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+ (i->qcu << AR_TxQcuNum_S) | desc_len;
+
+ checksum += val;
+- ACCESS_ONCE(ads->info) = val;
++ ACCESS_ONCE_RW(ads->info) = val;
+
+ checksum += i->link;
+- ACCESS_ONCE(ads->link) = i->link;
++ ACCESS_ONCE_RW(ads->link) = i->link;
+
+ checksum += i->buf_addr[0];
+- ACCESS_ONCE(ads->data0) = i->buf_addr[0];
++ ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0];
+ checksum += i->buf_addr[1];
+- ACCESS_ONCE(ads->data1) = i->buf_addr[1];
++ ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1];
+ checksum += i->buf_addr[2];
+- ACCESS_ONCE(ads->data2) = i->buf_addr[2];
++ ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2];
+ checksum += i->buf_addr[3];
+- ACCESS_ONCE(ads->data3) = i->buf_addr[3];
++ ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3];
+
+ checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
+- ACCESS_ONCE(ads->ctl3) = val;
++ ACCESS_ONCE_RW(ads->ctl3) = val;
+ checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
+- ACCESS_ONCE(ads->ctl5) = val;
++ ACCESS_ONCE_RW(ads->ctl5) = val;
+ checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
+- ACCESS_ONCE(ads->ctl7) = val;
++ ACCESS_ONCE_RW(ads->ctl7) = val;
+ checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
+- ACCESS_ONCE(ads->ctl9) = val;
++ ACCESS_ONCE_RW(ads->ctl9) = val;
+
+ checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
+- ACCESS_ONCE(ads->ctl10) = checksum;
++ ACCESS_ONCE_RW(ads->ctl10) = checksum;
+
+ if (i->is_first || i->is_last) {
+- ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0)
+ | set11nTries(i->rates, 1)
+ | set11nTries(i->rates, 2)
+ | set11nTries(i->rates, 3)
+ | (i->dur_update ? AR_DurUpdateEna : 0)
+ | SM(0, AR_BurstDur);
+
+- ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0)
+ | set11nRate(i->rates, 1)
+ | set11nRate(i->rates, 2)
+ | set11nRate(i->rates, 3);
+ } else {
+- ACCESS_ONCE(ads->ctl13) = 0;
+- ACCESS_ONCE(ads->ctl14) = 0;
++ ACCESS_ONCE_RW(ads->ctl13) = 0;
++ ACCESS_ONCE_RW(ads->ctl14) = 0;
+ }
+
+ ads->ctl20 = 0;
+@@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+
+ ctl17 = SM(i->keytype, AR_EncrType);
+ if (!i->is_first) {
+- ACCESS_ONCE(ads->ctl11) = 0;
+- ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
+- ACCESS_ONCE(ads->ctl15) = 0;
+- ACCESS_ONCE(ads->ctl16) = 0;
+- ACCESS_ONCE(ads->ctl17) = ctl17;
+- ACCESS_ONCE(ads->ctl18) = 0;
+- ACCESS_ONCE(ads->ctl19) = 0;
++ ACCESS_ONCE_RW(ads->ctl11) = 0;
++ ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
++ ACCESS_ONCE_RW(ads->ctl15) = 0;
++ ACCESS_ONCE_RW(ads->ctl16) = 0;
++ ACCESS_ONCE_RW(ads->ctl17) = ctl17;
++ ACCESS_ONCE_RW(ads->ctl18) = 0;
++ ACCESS_ONCE_RW(ads->ctl19) = 0;
+ return;
+ }
+
+- ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
++ ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen)
+ | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+ | SM(i->txpower, AR_XmitPower)
+ | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+@@ -135,22 +135,22 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+ val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
+ ctl12 |= SM(val, AR_PAPRDChainMask);
+
+- ACCESS_ONCE(ads->ctl12) = ctl12;
+- ACCESS_ONCE(ads->ctl17) = ctl17;
++ ACCESS_ONCE_RW(ads->ctl12) = ctl12;
++ ACCESS_ONCE_RW(ads->ctl17) = ctl17;
+
+- ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
+ | set11nPktDurRTSCTS(i->rates, 1);
+
+- ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
++ ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
+ | set11nPktDurRTSCTS(i->rates, 3);
+
+- ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
++ ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0)
+ | set11nRateFlags(i->rates, 1)
+ | set11nRateFlags(i->rates, 2)
+ | set11nRateFlags(i->rates, 3)
+ | SM(i->rtscts_rate, AR_RTSCTSRate);
+
+- ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
++ ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding;
+ }
+
+ static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
+diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
+index de6968f..29ac4c1 100644
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -656,7 +656,7 @@ struct ath_hw_private_ops {
+
+ /* ANI */
+ void (*ani_cache_ini_regs)(struct ath_hw *ah);
+-};
++} __no_const;
+
+ /**
+ * struct ath_hw_ops - callbacks used by hardware code and driver code
+@@ -686,7 +686,7 @@ struct ath_hw_ops {
+ void (*antdiv_comb_conf_set)(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf);
+
+-};
++} __no_const;
+
+ struct ath_nf_limits {
+ s16 max;
+@@ -706,7 +706,7 @@ enum ath_cal_list {
+ #define AH_FASTCC 0x4
+
+ struct ath_hw {
+- struct ath_ops reg_ops;
++ ath_ops_no_const reg_ops;
+
+ struct ieee80211_hw *hw;
+ struct ath_common common;
+diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
+index af00e2c..ab04d34 100644
+--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
++++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_int.h
+@@ -545,7 +545,7 @@ struct phy_func_ptr {
+ void (*carrsuppr)(struct brcms_phy *);
+ s32 (*rxsigpwr)(struct brcms_phy *, s32);
+ void (*detach)(struct brcms_phy *);
+-};
++} __no_const;
+
+ struct brcms_phy {
+ struct brcms_phy_pub pubpi_ro;
+diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
+index faec404..a5277f1 100644
+--- a/drivers/net/wireless/iwlegacy/3945-mac.c
++++ b/drivers/net/wireless/iwlegacy/3945-mac.c
+@@ -3611,7 +3611,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ */
+ if (il3945_mod_params.disable_hw_scan) {
+ D_INFO("Disabling hw_scan\n");
+- il3945_mac_ops.hw_scan = NULL;
++ pax_open_kernel();
++ *(void **)&il3945_mac_ops.hw_scan = NULL;
++ pax_close_kernel();
+ }
+
+ D_INFO("*** LOAD DRIVER ***\n");
+diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+index a47b306..297daf2 100644
+--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
++++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+@@ -203,7 +203,7 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[64];
+- int buf_size;
++ size_t buf_size;
+ u32 offset, len;
+
+ memset(buf, 0, sizeof(buf));
+@@ -473,7 +473,7 @@ static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
+ struct iwl_priv *priv = file->private_data;
+
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ u32 reset_flag;
+
+ memset(buf, 0, sizeof(buf));
+@@ -554,7 +554,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int ht40;
+
+ memset(buf, 0, sizeof(buf));
+@@ -606,7 +606,7 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int value;
+
+ memset(buf, 0, sizeof(buf));
+@@ -1871,7 +1871,7 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int clear;
+
+ memset(buf, 0, sizeof(buf));
+@@ -1916,7 +1916,7 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int trace;
+
+ memset(buf, 0, sizeof(buf));
+@@ -1987,7 +1987,7 @@ static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int missed;
+
+ memset(buf, 0, sizeof(buf));
+@@ -2028,7 +2028,7 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
+
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int plcp;
+
+ memset(buf, 0, sizeof(buf));
+@@ -2088,7 +2088,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
+
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int flush;
+
+ memset(buf, 0, sizeof(buf));
+@@ -2178,7 +2178,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
+
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int rts;
+
+ if (!priv->cfg->ht_params)
+@@ -2220,7 +2220,7 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
+ {
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+@@ -2256,7 +2256,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file,
+ struct iwl_priv *priv = file->private_data;
+ u32 event_log_flag;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+
+ /* check that the interface is up */
+ if (!iwl_is_ready(priv))
+@@ -2310,7 +2310,7 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+ u32 calib_disabled;
+- int buf_size;
++ size_t buf_size;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
+index dbeebef..b45a152 100644
+--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
++++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
+@@ -1944,7 +1944,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
+ struct isr_statistics *isr_stats = &trans_pcie->isr_stats;
+
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ u32 reset_flag;
+
+ memset(buf, 0, sizeof(buf));
+@@ -1965,7 +1965,7 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file,
+ {
+ struct iwl_trans *trans = file->private_data;
+ char buf[8];
+- int buf_size;
++ size_t buf_size;
+ int csr;
+
+ memset(buf, 0, sizeof(buf));
+diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
+index 0083839..fcb7225 100644
+--- a/drivers/net/wireless/mac80211_hwsim.c
++++ b/drivers/net/wireless/mac80211_hwsim.c
+@@ -1748,9 +1748,11 @@ static int __init init_mac80211_hwsim(void)
+ return -EINVAL;
+
+ if (fake_hw_scan) {
+- mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
+- mac80211_hwsim_ops.sw_scan_start = NULL;
+- mac80211_hwsim_ops.sw_scan_complete = NULL;
++ pax_open_kernel();
++ *(void **)&mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
++ *(void **)&mac80211_hwsim_ops.sw_scan_start = NULL;
++ *(void **)&mac80211_hwsim_ops.sw_scan_complete = NULL;
++ pax_close_kernel();
+ }
+
+ spin_lock_init(&hwsim_radio_lock);
+diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
+index e7c2a82..582e228 100644
+--- a/drivers/net/wireless/mwifiex/main.h
++++ b/drivers/net/wireless/mwifiex/main.h
+@@ -571,7 +571,7 @@ struct mwifiex_if_ops {
+ int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
+ int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
+ int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
+-};
++} __no_const;
+
+ struct mwifiex_adapter {
+ u8 iface_type;
+diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
+index 7a4ae9e..56e00bd 100644
+--- a/drivers/net/wireless/rndis_wlan.c
++++ b/drivers/net/wireless/rndis_wlan.c
+@@ -1235,7 +1235,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
+
+ netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
+
+- if (rts_threshold < 0 || rts_threshold > 2347)
++ if (rts_threshold > 2347)
+ rts_threshold = 2347;
+
+ tmp = cpu_to_le32(rts_threshold);
+diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
+index 8afb546..0c0dc5c 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
++++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -397,7 +397,7 @@ struct rt2x00_intf {
+ * for hardware which doesn't support hardware
+ * sequence counting.
+ */
+- atomic_t seqno;
++ atomic_unchecked_t seqno;
+ };
+
+ static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
+diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
+index f7e74a0..da71431 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -240,9 +240,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
+ * sequence counter given by mac80211.
+ */
+ if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
+- seqno = atomic_add_return(0x10, &intf->seqno);
++ seqno = atomic_add_return_unchecked(0x10, &intf->seqno);
+ else
+- seqno = atomic_read(&intf->seqno);
++ seqno = atomic_read_unchecked(&intf->seqno);
+
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(seqno);
+diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h
+index fd02060..74ee481 100644
+--- a/drivers/net/wireless/ti/wl1251/wl1251.h
++++ b/drivers/net/wireless/ti/wl1251/wl1251.h
+@@ -266,7 +266,7 @@ struct wl1251_if_operations {
+ void (*reset)(struct wl1251 *wl);
+ void (*enable_irq)(struct wl1251 *wl);
+ void (*disable_irq)(struct wl1251 *wl);
+-};
++} __no_const;
+
+ struct wl1251 {
+ struct ieee80211_hw *hw;
+diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
+index 0ce7a8e..56a0ccf 100644
+--- a/drivers/net/wireless/ti/wlcore/wlcore.h
++++ b/drivers/net/wireless/ti/wlcore/wlcore.h
+@@ -81,7 +81,7 @@ struct wlcore_ops {
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key_conf);
+ u32 (*pre_pkt_send)(struct wl1271 *wl, u32 buf_offset, u32 last_len);
+-};
++} __no_const;
+
+ enum wlcore_partitions {
+ PART_DOWN,
+diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
+index f34b5b2..b5abb9f 100644
+--- a/drivers/oprofile/buffer_sync.c
++++ b/drivers/oprofile/buffer_sync.c
+@@ -343,7 +343,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm)
+ if (cookie == NO_COOKIE)
+ offset = pc;
+ if (cookie == INVALID_COOKIE) {
+- atomic_inc(&oprofile_stats.sample_lost_no_mapping);
++ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
+ offset = pc;
+ }
+ if (cookie != last_cookie) {
+@@ -387,14 +387,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel)
+ /* add userspace sample */
+
+ if (!mm) {
+- atomic_inc(&oprofile_stats.sample_lost_no_mm);
++ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm);
+ return 0;
+ }
+
+ cookie = lookup_dcookie(mm, s->eip, &offset);
+
+ if (cookie == INVALID_COOKIE) {
+- atomic_inc(&oprofile_stats.sample_lost_no_mapping);
++ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
+ return 0;
+ }
+
+@@ -563,7 +563,7 @@ void sync_buffer(int cpu)
+ /* ignore backtraces if failed to add a sample */
+ if (state == sb_bt_start) {
+ state = sb_bt_ignore;
+- atomic_inc(&oprofile_stats.bt_lost_no_mapping);
++ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping);
+ }
+ }
+ release_mm(mm);
+diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
+index c0cc4e7..44d4e54 100644
+--- a/drivers/oprofile/event_buffer.c
++++ b/drivers/oprofile/event_buffer.c
+@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value)
+ }
+
+ if (buffer_pos == buffer_size) {
+- atomic_inc(&oprofile_stats.event_lost_overflow);
++ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow);
+ return;
+ }
+
+diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
+index ed2c3ec..deda85a 100644
+--- a/drivers/oprofile/oprof.c
++++ b/drivers/oprofile/oprof.c
+@@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work)
+ if (oprofile_ops.switch_events())
+ return;
+
+- atomic_inc(&oprofile_stats.multiplex_counter);
++ atomic_inc_unchecked(&oprofile_stats.multiplex_counter);
+ start_switch_worker();
+ }
+
+diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
+index 917d28e..d62d981 100644
+--- a/drivers/oprofile/oprofile_stats.c
++++ b/drivers/oprofile/oprofile_stats.c
+@@ -30,11 +30,11 @@ void oprofile_reset_stats(void)
+ cpu_buf->sample_invalid_eip = 0;
+ }
+
+- atomic_set(&oprofile_stats.sample_lost_no_mm, 0);
+- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0);
+- atomic_set(&oprofile_stats.event_lost_overflow, 0);
+- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0);
+- atomic_set(&oprofile_stats.multiplex_counter, 0);
++ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0);
++ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0);
++ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0);
++ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0);
++ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0);
+ }
+
+
+diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h
+index 38b6fc0..b5cbfce 100644
+--- a/drivers/oprofile/oprofile_stats.h
++++ b/drivers/oprofile/oprofile_stats.h
+@@ -13,11 +13,11 @@
+ #include <linux/atomic.h>
+
+ struct oprofile_stat_struct {
+- atomic_t sample_lost_no_mm;
+- atomic_t sample_lost_no_mapping;
+- atomic_t bt_lost_no_mapping;
+- atomic_t event_lost_overflow;
+- atomic_t multiplex_counter;
++ atomic_unchecked_t sample_lost_no_mm;
++ atomic_unchecked_t sample_lost_no_mapping;
++ atomic_unchecked_t bt_lost_no_mapping;
++ atomic_unchecked_t event_lost_overflow;
++ atomic_unchecked_t multiplex_counter;
+ };
+
+ extern struct oprofile_stat_struct oprofile_stats;
+diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
+index 849357c..b83c1e0 100644
+--- a/drivers/oprofile/oprofilefs.c
++++ b/drivers/oprofile/oprofilefs.c
+@@ -185,7 +185,7 @@ static const struct file_operations atomic_ro_fops = {
+
+
+ int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root,
+- char const *name, atomic_t *val)
++ char const *name, atomic_unchecked_t *val)
+ {
+ return __oprofilefs_create_file(sb, root, name,
+ &atomic_ro_fops, 0444, val);
+diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
+index 3f56bc0..707d642 100644
+--- a/drivers/parport/procfs.c
++++ b/drivers/parport/procfs.c
+@@ -64,7 +64,7 @@ static int do_active_device(ctl_table *table, int write,
+
+ *ppos += len;
+
+- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
++ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0;
+ }
+
+ #ifdef CONFIG_PARPORT_1284
+@@ -106,7 +106,7 @@ static int do_autoprobe(ctl_table *table, int write,
+
+ *ppos += len;
+
+- return copy_to_user (result, buffer, len) ? -EFAULT : 0;
++ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0;
+ }
+ #endif /* IEEE1284.3 support. */
+
+diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h
+index 9fff878..ad0ad53 100644
+--- a/drivers/pci/hotplug/cpci_hotplug.h
++++ b/drivers/pci/hotplug/cpci_hotplug.h
+@@ -59,7 +59,7 @@ struct cpci_hp_controller_ops {
+ int (*hardware_test) (struct slot* slot, u32 value);
+ u8 (*get_power) (struct slot* slot);
+ int (*set_power) (struct slot* slot, int value);
+-};
++} __no_const;
+
+ struct cpci_hp_controller {
+ unsigned int irq;
+diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
+index 76ba8a1..20ca857 100644
+--- a/drivers/pci/hotplug/cpqphp_nvram.c
++++ b/drivers/pci/hotplug/cpqphp_nvram.c
+@@ -428,9 +428,13 @@ static u32 store_HRT (void __iomem *rom_start)
+
+ void compaq_nvram_init (void __iomem *rom_start)
+ {
++
++#ifndef CONFIG_PAX_KERNEXEC
+ if (rom_start) {
+ compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR);
+ }
++#endif
++
+ dbg("int15 entry = %p\n", compaq_int15_entry_point);
+
+ /* initialize our int15 lock */
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index b500840..d7159d3 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -27,9 +27,9 @@
+ #define MODULE_PARAM_PREFIX "pcie_aspm."
+
+ /* Note: those are not register definitions */
+-#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */
+-#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */
+-#define ASPM_STATE_L1 (4) /* L1 state */
++#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */
++#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */
++#define ASPM_STATE_L1 (4U) /* L1 state */
+ #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW)
+ #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1)
+
+diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
+index 61859d0..124539e 100644
+--- a/drivers/pci/probe.c
++++ b/drivers/pci/probe.c
+@@ -173,7 +173,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
+ struct pci_bus_region region;
+ bool bar_too_big = false, bar_disabled = false;
+
+- mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
++ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0;
+
+ /* No printks while decoding is disabled! */
+ if (!dev->mmio_always_on) {
+diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
+index 27911b5..5b6db88 100644
+--- a/drivers/pci/proc.c
++++ b/drivers/pci/proc.c
+@@ -476,7 +476,16 @@ static const struct file_operations proc_bus_pci_dev_operations = {
+ static int __init pci_proc_init(void)
+ {
+ struct pci_dev *dev = NULL;
++
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
++#endif
++#else
+ proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
++#endif
+ proc_create("devices", 0, proc_bus_pci_dir,
+ &proc_bus_pci_dev_operations);
+ proc_initialized = 1;
+diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
+index 52daaa8..d6b81eb 100644
+--- a/drivers/platform/x86/thinkpad_acpi.c
++++ b/drivers/platform/x86/thinkpad_acpi.c
+@@ -2097,7 +2097,7 @@ static int hotkey_mask_get(void)
+ return 0;
+ }
+
+-void static hotkey_mask_warn_incomplete_mask(void)
++static void hotkey_mask_warn_incomplete_mask(void)
+ {
+ /* log only what the user can fix... */
+ const u32 wantedmask = hotkey_driver_mask &
+@@ -2328,11 +2328,6 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
+ }
+ }
+
+-static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+- struct tp_nvram_state *newn,
+- const u32 event_mask)
+-{
+-
+ #define TPACPI_COMPARE_KEY(__scancode, __member) \
+ do { \
+ if ((event_mask & (1 << __scancode)) && \
+@@ -2346,36 +2341,42 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ tpacpi_hotkey_send_key(__scancode); \
+ } while (0)
+
+- void issue_volchange(const unsigned int oldvol,
+- const unsigned int newvol)
+- {
+- unsigned int i = oldvol;
++static void issue_volchange(const unsigned int oldvol,
++ const unsigned int newvol,
++ const u32 event_mask)
++{
++ unsigned int i = oldvol;
+
+- while (i > newvol) {
+- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
+- i--;
+- }
+- while (i < newvol) {
+- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
+- i++;
+- }
++ while (i > newvol) {
++ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
++ i--;
+ }
++ while (i < newvol) {
++ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
++ i++;
++ }
++}
+
+- void issue_brightnesschange(const unsigned int oldbrt,
+- const unsigned int newbrt)
+- {
+- unsigned int i = oldbrt;
++static void issue_brightnesschange(const unsigned int oldbrt,
++ const unsigned int newbrt,
++ const u32 event_mask)
++{
++ unsigned int i = oldbrt;
+
+- while (i > newbrt) {
+- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
+- i--;
+- }
+- while (i < newbrt) {
+- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
+- i++;
+- }
++ while (i > newbrt) {
++ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
++ i--;
++ }
++ while (i < newbrt) {
++ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
++ i++;
+ }
++}
+
++static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
++ struct tp_nvram_state *newn,
++ const u32 event_mask)
++{
+ TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
+ TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
+ TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle);
+@@ -2409,7 +2410,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ oldn->volume_level != newn->volume_level) {
+ /* recently muted, or repeated mute keypress, or
+ * multiple presses ending in mute */
+- issue_volchange(oldn->volume_level, newn->volume_level);
++ issue_volchange(oldn->volume_level, newn->volume_level, event_mask);
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE);
+ }
+ } else {
+@@ -2419,7 +2420,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
+ }
+ if (oldn->volume_level != newn->volume_level) {
+- issue_volchange(oldn->volume_level, newn->volume_level);
++ issue_volchange(oldn->volume_level, newn->volume_level, event_mask);
+ } else if (oldn->volume_toggle != newn->volume_toggle) {
+ /* repeated vol up/down keypress at end of scale ? */
+ if (newn->volume_level == 0)
+@@ -2432,7 +2433,8 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ /* handle brightness */
+ if (oldn->brightness_level != newn->brightness_level) {
+ issue_brightnesschange(oldn->brightness_level,
+- newn->brightness_level);
++ newn->brightness_level,
++ event_mask);
+ } else if (oldn->brightness_toggle != newn->brightness_toggle) {
+ /* repeated key presses that didn't change state */
+ if (newn->brightness_level == 0)
+@@ -2441,10 +2443,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ && !tp_features.bright_unkfw)
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
+ }
++}
+
+ #undef TPACPI_COMPARE_KEY
+ #undef TPACPI_MAY_SEND_KEY
+-}
+
+ /*
+ * Polling driver
+diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
+index 769d265..a3a05ca 100644
+--- a/drivers/pnp/pnpbios/bioscalls.c
++++ b/drivers/pnp/pnpbios/bioscalls.c
+@@ -58,7 +58,7 @@ do { \
+ set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
+ } while(0)
+
+-static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
++static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
+ (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
+
+ /*
+@@ -95,7 +95,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
+
+ cpu = get_cpu();
+ save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8];
++
++ pax_open_kernel();
+ get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc;
++ pax_close_kernel();
+
+ /* On some boxes IRQ's during PnP BIOS calls are deadly. */
+ spin_lock_irqsave(&pnp_bios_lock, flags);
+@@ -133,7 +136,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
+ :"memory");
+ spin_unlock_irqrestore(&pnp_bios_lock, flags);
+
++ pax_open_kernel();
+ get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40;
++ pax_close_kernel();
++
+ put_cpu();
+
+ /* If we get here and this is set then the PnP BIOS faulted on us. */
+@@ -467,7 +473,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base)
+ return status;
+ }
+
+-void pnpbios_calls_init(union pnp_bios_install_struct *header)
++void __init pnpbios_calls_init(union pnp_bios_install_struct *header)
+ {
+ int i;
+
+@@ -475,6 +481,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
+ pnp_bios_callpoint.offset = header->fields.pm16offset;
+ pnp_bios_callpoint.segment = PNP_CS16;
+
++ pax_open_kernel();
++
+ for_each_possible_cpu(i) {
+ struct desc_struct *gdt = get_cpu_gdt_table(i);
+ if (!gdt)
+@@ -486,4 +494,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
+ set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS],
+ (unsigned long)__va(header->fields.pm16dseg));
+ }
++
++ pax_close_kernel();
+ }
+diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
+index b0ecacb..7c9da2e 100644
+--- a/drivers/pnp/resource.c
++++ b/drivers/pnp/resource.c
+@@ -360,7 +360,7 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
+ return 1;
+
+ /* check if the resource is valid */
+- if (*irq < 0 || *irq > 15)
++ if (*irq > 15)
+ return 0;
+
+ /* check if the resource is reserved */
+@@ -424,7 +424,7 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
+ return 1;
+
+ /* check if the resource is valid */
+- if (*dma < 0 || *dma == 4 || *dma > 7)
++ if (*dma == 4 || *dma > 7)
+ return 0;
+
+ /* check if the resource is reserved */
+diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
+index 181ddec..774b6da 100644
+--- a/drivers/power/bq27x00_battery.c
++++ b/drivers/power/bq27x00_battery.c
+@@ -80,7 +80,7 @@
+ struct bq27x00_device_info;
+ struct bq27x00_access_methods {
+ int (*read)(struct bq27x00_device_info *di, u8 reg, bool single);
+-};
++} __no_const;
+
+ enum bq27x00_chip { BQ27000, BQ27500, BQ27425};
+
+diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
+index 8d53174..04c65de 100644
+--- a/drivers/regulator/max8660.c
++++ b/drivers/regulator/max8660.c
+@@ -333,8 +333,10 @@ static int __devinit max8660_probe(struct i2c_client *client,
+ max8660->shadow_regs[MAX8660_OVER1] = 5;
+ } else {
+ /* Otherwise devices can be toggled via software */
+- max8660_dcdc_ops.enable = max8660_dcdc_enable;
+- max8660_dcdc_ops.disable = max8660_dcdc_disable;
++ pax_open_kernel();
++ *(void **)&max8660_dcdc_ops.enable = max8660_dcdc_enable;
++ *(void **)&max8660_dcdc_ops.disable = max8660_dcdc_disable;
++ pax_close_kernel();
+ }
+
+ /*
+diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
+index b388b74..ed82573 100644
+--- a/drivers/regulator/mc13892-regulator.c
++++ b/drivers/regulator/mc13892-regulator.c
+@@ -565,10 +565,12 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
+ }
+ mc13xxx_unlock(mc13892);
+
+- mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
++ pax_open_kernel();
++ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
+ = mc13892_vcam_set_mode;
+- mc13892_regulators[MC13892_VCAM].desc.ops->get_mode
++ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->get_mode
+ = mc13892_vcam_get_mode;
++ pax_close_kernel();
+
+ mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
+ ARRAY_SIZE(mc13892_regulators));
+diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
+index cace6d3..f623fda 100644
+--- a/drivers/rtc/rtc-dev.c
++++ b/drivers/rtc/rtc-dev.c
+@@ -14,6 +14,7 @@
+ #include <linux/module.h>
+ #include <linux/rtc.h>
+ #include <linux/sched.h>
++#include <linux/grsecurity.h>
+ #include "rtc-core.h"
+
+ static dev_t rtc_devt;
+@@ -345,6 +346,8 @@ static long rtc_dev_ioctl(struct file *file,
+ if (copy_from_user(&tm, uarg, sizeof(tm)))
+ return -EFAULT;
+
++ gr_log_timechange();
++
+ return rtc_set_time(rtc, &tm);
+
+ case RTC_PIE_ON:
+diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
+index 9e933a8..4f969f7 100644
+--- a/drivers/scsi/aacraid/aacraid.h
++++ b/drivers/scsi/aacraid/aacraid.h
+@@ -503,7 +503,7 @@ struct adapter_ops
+ int (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
+ /* Administrative operations */
+ int (*adapter_comm)(struct aac_dev * dev, int comm);
+-};
++} __no_const;
+
+ /*
+ * Define which interrupt handler needs to be installed
+diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
+index 7199534..cb7f158 100644
+--- a/drivers/scsi/aacraid/linit.c
++++ b/drivers/scsi/aacraid/linit.c
+@@ -93,7 +93,7 @@ static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
+ #elif defined(__devinitconst)
+ static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
+ #else
+-static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
++static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
+ #endif
+ { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
+ { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
+diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
+index ff80552..1c4120c 100644
+--- a/drivers/scsi/aic94xx/aic94xx_init.c
++++ b/drivers/scsi/aic94xx/aic94xx_init.c
+@@ -1012,7 +1012,7 @@ static struct sas_domain_function_template aic94xx_transport_functions = {
+ .lldd_ata_set_dmamode = asd_set_dmamode,
+ };
+
+-static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
++static const struct pci_device_id aic94xx_pci_table[] __devinitconst = {
+ {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
+ {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
+ {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
+diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
+index 4ad7e36..d004679 100644
+--- a/drivers/scsi/bfa/bfa.h
++++ b/drivers/scsi/bfa/bfa.h
+@@ -196,7 +196,7 @@ struct bfa_hwif_s {
+ u32 *end);
+ int cpe_vec_q0;
+ int rme_vec_q0;
+-};
++} __no_const;
+ typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
+
+ struct bfa_faa_cbfn_s {
+diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
+index f0f80e2..8ec946b 100644
+--- a/drivers/scsi/bfa/bfa_fcpim.c
++++ b/drivers/scsi/bfa/bfa_fcpim.c
+@@ -3715,7 +3715,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+
+ bfa_iotag_attach(fcp);
+
+- fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp);
++ fcp->itn_arr = (bfa_itn_s_no_const *) bfa_mem_kva_curp(fcp);
+ bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr +
+ (fcp->num_itns * sizeof(struct bfa_itn_s));
+ memset(fcp->itn_arr, 0,
+@@ -3773,7 +3773,7 @@ bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
+ void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m))
+ {
+ struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
+- struct bfa_itn_s *itn;
++ bfa_itn_s_no_const *itn;
+
+ itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag);
+ itn->isr = isr;
+diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
+index 36f26da..38a34a8 100644
+--- a/drivers/scsi/bfa/bfa_fcpim.h
++++ b/drivers/scsi/bfa/bfa_fcpim.h
+@@ -37,6 +37,7 @@ struct bfa_iotag_s {
+ struct bfa_itn_s {
+ bfa_isr_func_t isr;
+ };
++typedef struct bfa_itn_s __no_const bfa_itn_s_no_const;
+
+ void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
+ void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m));
+@@ -147,7 +148,7 @@ struct bfa_fcp_mod_s {
+ struct list_head iotag_tio_free_q; /* free IO resources */
+ struct list_head iotag_unused_q; /* unused IO resources*/
+ struct bfa_iotag_s *iotag_arr;
+- struct bfa_itn_s *itn_arr;
++ bfa_itn_s_no_const *itn_arr;
+ int num_ioim_reqs;
+ int num_fwtio_reqs;
+ int num_itns;
+diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
+index 1a99d4b..e85d64b 100644
+--- a/drivers/scsi/bfa/bfa_ioc.h
++++ b/drivers/scsi/bfa/bfa_ioc.h
+@@ -258,7 +258,7 @@ struct bfa_ioc_cbfn_s {
+ bfa_ioc_disable_cbfn_t disable_cbfn;
+ bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
+ bfa_ioc_reset_cbfn_t reset_cbfn;
+-};
++} __no_const;
+
+ /*
+ * IOC event notification mechanism.
+@@ -346,7 +346,7 @@ struct bfa_ioc_hwif_s {
+ void (*ioc_sync_ack) (struct bfa_ioc_s *ioc);
+ bfa_boolean_t (*ioc_sync_complete) (struct bfa_ioc_s *ioc);
+ bfa_boolean_t (*ioc_lpu_read_stat) (struct bfa_ioc_s *ioc);
+-};
++} __no_const;
+
+ /*
+ * Queue element to wait for room in request queue. FIFO order is
+diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
+index 593085a..47aa999 100644
+--- a/drivers/scsi/hosts.c
++++ b/drivers/scsi/hosts.c
+@@ -42,7 +42,7 @@
+ #include "scsi_logging.h"
+
+
+-static atomic_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */
++static atomic_unchecked_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */
+
+
+ static void scsi_host_cls_release(struct device *dev)
+@@ -361,7 +361,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
+ * subtract one because we increment first then return, but we need to
+ * know what the next host number was before increment
+ */
+- shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1;
++ shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1;
+ shost->dma_channel = 0xff;
+
+ /* These three are default values which can be overridden */
+diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
+index f9823f2..7bc3e81 100644
+--- a/drivers/scsi/hpsa.c
++++ b/drivers/scsi/hpsa.c
+@@ -536,7 +536,7 @@ static inline u32 next_command(struct ctlr_info *h, u8 q)
+ unsigned long flags;
+
+ if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
+- return h->access.command_completed(h, q);
++ return h->access->command_completed(h, q);
+
+ if ((rq->head[rq->current_entry] & 1) == rq->wraparound) {
+ a = rq->head[rq->current_entry];
+@@ -3355,7 +3355,7 @@ static void start_io(struct ctlr_info *h)
+ while (!list_empty(&h->reqQ)) {
+ c = list_entry(h->reqQ.next, struct CommandList, list);
+ /* can't do anything if fifo is full */
+- if ((h->access.fifo_full(h))) {
++ if ((h->access->fifo_full(h))) {
+ dev_warn(&h->pdev->dev, "fifo full\n");
+ break;
+ }
+@@ -3377,7 +3377,7 @@ static void start_io(struct ctlr_info *h)
+
+ /* Tell the controller execute command */
+ spin_unlock_irqrestore(&h->lock, flags);
+- h->access.submit_command(h, c);
++ h->access->submit_command(h, c);
+ spin_lock_irqsave(&h->lock, flags);
+ }
+ spin_unlock_irqrestore(&h->lock, flags);
+@@ -3385,17 +3385,17 @@ static void start_io(struct ctlr_info *h)
+
+ static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q)
+ {
+- return h->access.command_completed(h, q);
++ return h->access->command_completed(h, q);
+ }
+
+ static inline bool interrupt_pending(struct ctlr_info *h)
+ {
+- return h->access.intr_pending(h);
++ return h->access->intr_pending(h);
+ }
+
+ static inline long interrupt_not_for_us(struct ctlr_info *h)
+ {
+- return (h->access.intr_pending(h) == 0) ||
++ return (h->access->intr_pending(h) == 0) ||
+ (h->interrupts_enabled == 0);
+ }
+
+@@ -4299,7 +4299,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
+ if (prod_index < 0)
+ return -ENODEV;
+ h->product_name = products[prod_index].product_name;
+- h->access = *(products[prod_index].access);
++ h->access = products[prod_index].access;
+
+ pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+ PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+@@ -4581,7 +4581,7 @@ static void controller_lockup_detected(struct ctlr_info *h)
+
+ assert_spin_locked(&lockup_detector_lock);
+ remove_ctlr_from_lockup_detector_list(h);
+- h->access.set_intr_mask(h, HPSA_INTR_OFF);
++ h->access->set_intr_mask(h, HPSA_INTR_OFF);
+ spin_lock_irqsave(&h->lock, flags);
+ h->lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
+ spin_unlock_irqrestore(&h->lock, flags);
+@@ -4759,7 +4759,7 @@ reinit_after_soft_reset:
+ }
+
+ /* make sure the board interrupts are off */
+- h->access.set_intr_mask(h, HPSA_INTR_OFF);
++ h->access->set_intr_mask(h, HPSA_INTR_OFF);
+
+ if (hpsa_request_irq(h, do_hpsa_intr_msi, do_hpsa_intr_intx))
+ goto clean2;
+@@ -4793,7 +4793,7 @@ reinit_after_soft_reset:
+ * fake ones to scoop up any residual completions.
+ */
+ spin_lock_irqsave(&h->lock, flags);
+- h->access.set_intr_mask(h, HPSA_INTR_OFF);
++ h->access->set_intr_mask(h, HPSA_INTR_OFF);
+ spin_unlock_irqrestore(&h->lock, flags);
+ free_irqs(h);
+ rc = hpsa_request_irq(h, hpsa_msix_discard_completions,
+@@ -4812,9 +4812,9 @@ reinit_after_soft_reset:
+ dev_info(&h->pdev->dev, "Board READY.\n");
+ dev_info(&h->pdev->dev,
+ "Waiting for stale completions to drain.\n");
+- h->access.set_intr_mask(h, HPSA_INTR_ON);
++ h->access->set_intr_mask(h, HPSA_INTR_ON);
+ msleep(10000);
+- h->access.set_intr_mask(h, HPSA_INTR_OFF);
++ h->access->set_intr_mask(h, HPSA_INTR_OFF);
+
+ rc = controller_reset_failed(h->cfgtable);
+ if (rc)
+@@ -4835,7 +4835,7 @@ reinit_after_soft_reset:
+ }
+
+ /* Turn the interrupts on so we can service requests */
+- h->access.set_intr_mask(h, HPSA_INTR_ON);
++ h->access->set_intr_mask(h, HPSA_INTR_ON);
+
+ hpsa_hba_inquiry(h);
+ hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */
+@@ -4887,7 +4887,7 @@ static void hpsa_shutdown(struct pci_dev *pdev)
+ * To write all data in the battery backed cache to disks
+ */
+ hpsa_flush_cache(h);
+- h->access.set_intr_mask(h, HPSA_INTR_OFF);
++ h->access->set_intr_mask(h, HPSA_INTR_OFF);
+ hpsa_free_irqs_and_disable_msix(h);
+ }
+
+@@ -5056,7 +5056,7 @@ static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h,
+ return;
+ }
+ /* Change the access methods to the performant access methods */
+- h->access = SA5_performant_access;
++ h->access = &SA5_performant_access;
+ h->transMethod = CFGTBL_Trans_Performant;
+ }
+
+diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
+index 9816479..c5d4e97 100644
+--- a/drivers/scsi/hpsa.h
++++ b/drivers/scsi/hpsa.h
+@@ -79,7 +79,7 @@ struct ctlr_info {
+ unsigned int msix_vector;
+ unsigned int msi_vector;
+ int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
+- struct access_method access;
++ struct access_method *access;
+
+ /* queue and queue Info */
+ struct list_head reqQ;
+diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
+index f2df059..a3a9930 100644
+--- a/drivers/scsi/ips.h
++++ b/drivers/scsi/ips.h
+@@ -1027,7 +1027,7 @@ typedef struct {
+ int (*intr)(struct ips_ha *);
+ void (*enableint)(struct ips_ha *);
+ uint32_t (*statupd)(struct ips_ha *);
+-} ips_hw_func_t;
++} __no_const ips_hw_func_t;
+
+ typedef struct ips_ha {
+ uint8_t ha_id[IPS_MAX_CHANNELS+1];
+diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
+index c772d8d..35c362c 100644
+--- a/drivers/scsi/libfc/fc_exch.c
++++ b/drivers/scsi/libfc/fc_exch.c
+@@ -100,12 +100,12 @@ struct fc_exch_mgr {
+ u16 pool_max_index;
+
+ struct {
+- atomic_t no_free_exch;
+- atomic_t no_free_exch_xid;
+- atomic_t xid_not_found;
+- atomic_t xid_busy;
+- atomic_t seq_not_found;
+- atomic_t non_bls_resp;
++ atomic_unchecked_t no_free_exch;
++ atomic_unchecked_t no_free_exch_xid;
++ atomic_unchecked_t xid_not_found;
++ atomic_unchecked_t xid_busy;
++ atomic_unchecked_t seq_not_found;
++ atomic_unchecked_t non_bls_resp;
+ } stats;
+ };
+
+@@ -725,7 +725,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,
+ /* allocate memory for exchange */
+ ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC);
+ if (!ep) {
+- atomic_inc(&mp->stats.no_free_exch);
++ atomic_inc_unchecked(&mp->stats.no_free_exch);
+ goto out;
+ }
+ memset(ep, 0, sizeof(*ep));
+@@ -786,7 +786,7 @@ out:
+ return ep;
+ err:
+ spin_unlock_bh(&pool->lock);
+- atomic_inc(&mp->stats.no_free_exch_xid);
++ atomic_inc_unchecked(&mp->stats.no_free_exch_xid);
+ mempool_free(ep, mp->ep_pool);
+ return NULL;
+ }
+@@ -929,7 +929,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
+ xid = ntohs(fh->fh_ox_id); /* we originated exch */
+ ep = fc_exch_find(mp, xid);
+ if (!ep) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ reject = FC_RJT_OX_ID;
+ goto out;
+ }
+@@ -959,7 +959,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
+ ep = fc_exch_find(mp, xid);
+ if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) {
+ if (ep) {
+- atomic_inc(&mp->stats.xid_busy);
++ atomic_inc_unchecked(&mp->stats.xid_busy);
+ reject = FC_RJT_RX_ID;
+ goto rel;
+ }
+@@ -970,7 +970,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
+ }
+ xid = ep->xid; /* get our XID */
+ } else if (!ep) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ reject = FC_RJT_RX_ID; /* XID not found */
+ goto out;
+ }
+@@ -987,7 +987,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
+ } else {
+ sp = &ep->seq;
+ if (sp->id != fh->fh_seq_id) {
+- atomic_inc(&mp->stats.seq_not_found);
++ atomic_inc_unchecked(&mp->stats.seq_not_found);
+ if (f_ctl & FC_FC_END_SEQ) {
+ /*
+ * Update sequence_id based on incoming last
+@@ -1437,22 +1437,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
+
+ ep = fc_exch_find(mp, ntohs(fh->fh_ox_id));
+ if (!ep) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ goto out;
+ }
+ if (ep->esb_stat & ESB_ST_COMPLETE) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ goto rel;
+ }
+ if (ep->rxid == FC_XID_UNKNOWN)
+ ep->rxid = ntohs(fh->fh_rx_id);
+ if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ goto rel;
+ }
+ if (ep->did != ntoh24(fh->fh_s_id) &&
+ ep->did != FC_FID_FLOGI) {
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ goto rel;
+ }
+ sof = fr_sof(fp);
+@@ -1461,7 +1461,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
+ sp->ssb_stat |= SSB_ST_RESP;
+ sp->id = fh->fh_seq_id;
+ } else if (sp->id != fh->fh_seq_id) {
+- atomic_inc(&mp->stats.seq_not_found);
++ atomic_inc_unchecked(&mp->stats.seq_not_found);
+ goto rel;
+ }
+
+@@ -1525,9 +1525,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
+ sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */
+
+ if (!sp)
+- atomic_inc(&mp->stats.xid_not_found);
++ atomic_inc_unchecked(&mp->stats.xid_not_found);
+ else
+- atomic_inc(&mp->stats.non_bls_resp);
++ atomic_inc_unchecked(&mp->stats.non_bls_resp);
+
+ fc_frame_free(fp);
+ }
+@@ -2174,13 +2174,13 @@ void fc_exch_update_stats(struct fc_lport *lport)
+
+ list_for_each_entry(ema, &lport->ema_list, ema_list) {
+ mp = ema->mp;
+- st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch);
++ st->fc_no_free_exch += atomic_read_unchecked(&mp->stats.no_free_exch);
+ st->fc_no_free_exch_xid +=
+- atomic_read(&mp->stats.no_free_exch_xid);
+- st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found);
+- st->fc_xid_busy += atomic_read(&mp->stats.xid_busy);
+- st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found);
+- st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp);
++ atomic_read_unchecked(&mp->stats.no_free_exch_xid);
++ st->fc_xid_not_found += atomic_read_unchecked(&mp->stats.xid_not_found);
++ st->fc_xid_busy += atomic_read_unchecked(&mp->stats.xid_busy);
++ st->fc_seq_not_found += atomic_read_unchecked(&mp->stats.seq_not_found);
++ st->fc_non_bls_resp += atomic_read_unchecked(&mp->stats.non_bls_resp);
+ }
+ }
+ EXPORT_SYMBOL(fc_exch_update_stats);
+diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
+index a59fcdc..abe55f3 100644
+--- a/drivers/scsi/libsas/sas_ata.c
++++ b/drivers/scsi/libsas/sas_ata.c
+@@ -554,7 +554,7 @@ static struct ata_port_operations sas_sata_ops = {
+ .postreset = ata_std_postreset,
+ .error_handler = ata_std_error_handler,
+ .post_internal_cmd = sas_ata_post_internal,
+- .qc_defer = ata_std_qc_defer,
++ .qc_defer = ata_std_qc_defer,
+ .qc_prep = ata_noop_qc_prep,
+ .qc_issue = sas_ata_qc_issue,
+ .qc_fill_rtf = sas_ata_qc_fill_rtf,
+diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
+index a65c05a..a39e402 100644
+--- a/drivers/scsi/lpfc/lpfc.h
++++ b/drivers/scsi/lpfc/lpfc.h
+@@ -420,7 +420,7 @@ struct lpfc_vport {
+ struct dentry *debug_nodelist;
+ struct dentry *vport_debugfs_root;
+ struct lpfc_debugfs_trc *disc_trc;
+- atomic_t disc_trc_cnt;
++ atomic_unchecked_t disc_trc_cnt;
+ #endif
+ uint8_t stat_data_enabled;
+ uint8_t stat_data_blocked;
+@@ -834,8 +834,8 @@ struct lpfc_hba {
+ struct timer_list fabric_block_timer;
+ unsigned long bit_flags;
+ #define FABRIC_COMANDS_BLOCKED 0
+- atomic_t num_rsrc_err;
+- atomic_t num_cmd_success;
++ atomic_unchecked_t num_rsrc_err;
++ atomic_unchecked_t num_cmd_success;
+ unsigned long last_rsrc_error_time;
+ unsigned long last_ramp_down_time;
+ unsigned long last_ramp_up_time;
+@@ -871,7 +871,7 @@ struct lpfc_hba {
+
+ struct dentry *debug_slow_ring_trc;
+ struct lpfc_debugfs_trc *slow_ring_trc;
+- atomic_t slow_ring_trc_cnt;
++ atomic_unchecked_t slow_ring_trc_cnt;
+ /* iDiag debugfs sub-directory */
+ struct dentry *idiag_root;
+ struct dentry *idiag_pci_cfg;
+diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
+index 3217d63..c417981 100644
+--- a/drivers/scsi/lpfc/lpfc_debugfs.c
++++ b/drivers/scsi/lpfc/lpfc_debugfs.c
+@@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
+
+ #include <linux/debugfs.h>
+
+-static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
++static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
+ static unsigned long lpfc_debugfs_start_time = 0L;
+
+ /* iDiag */
+@@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
+ lpfc_debugfs_enable = 0;
+
+ len = 0;
+- index = (atomic_read(&vport->disc_trc_cnt) + 1) &
++ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) &
+ (lpfc_debugfs_max_disc_trc - 1);
+ for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
+ dtp = vport->disc_trc + i;
+@@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
+ lpfc_debugfs_enable = 0;
+
+ len = 0;
+- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
++ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) &
+ (lpfc_debugfs_max_slow_ring_trc - 1);
+ for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
+ dtp = phba->slow_ring_trc + i;
+@@ -636,14 +636,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
+ !vport || !vport->disc_trc)
+ return;
+
+- index = atomic_inc_return(&vport->disc_trc_cnt) &
++ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) &
+ (lpfc_debugfs_max_disc_trc - 1);
+ dtp = vport->disc_trc + index;
+ dtp->fmt = fmt;
+ dtp->data1 = data1;
+ dtp->data2 = data2;
+ dtp->data3 = data3;
+- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
++ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
+ dtp->jif = jiffies;
+ #endif
+ return;
+@@ -674,14 +674,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
+ !phba || !phba->slow_ring_trc)
+ return;
+
+- index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
++ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) &
+ (lpfc_debugfs_max_slow_ring_trc - 1);
+ dtp = phba->slow_ring_trc + index;
+ dtp->fmt = fmt;
+ dtp->data1 = data1;
+ dtp->data2 = data2;
+ dtp->data3 = data3;
+- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
++ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
+ dtp->jif = jiffies;
+ #endif
+ return;
+@@ -4090,7 +4090,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
+ "slow_ring buffer\n");
+ goto debug_failed;
+ }
+- atomic_set(&phba->slow_ring_trc_cnt, 0);
++ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0);
+ memset(phba->slow_ring_trc, 0,
+ (sizeof(struct lpfc_debugfs_trc) *
+ lpfc_debugfs_max_slow_ring_trc));
+@@ -4136,7 +4136,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
+ "buffer\n");
+ goto debug_failed;
+ }
+- atomic_set(&vport->disc_trc_cnt, 0);
++ atomic_set_unchecked(&vport->disc_trc_cnt, 0);
+
+ snprintf(name, sizeof(name), "discovery_trace");
+ vport->debug_disc_trc =
+diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
+index 45c1520..35ba744 100644
+--- a/drivers/scsi/lpfc/lpfc_init.c
++++ b/drivers/scsi/lpfc/lpfc_init.c
+@@ -10478,8 +10478,10 @@ lpfc_init(void)
+ "misc_register returned with status %d", error);
+
+ if (lpfc_enable_npiv) {
+- lpfc_transport_functions.vport_create = lpfc_vport_create;
+- lpfc_transport_functions.vport_delete = lpfc_vport_delete;
++ pax_open_kernel();
++ *(void **)&lpfc_transport_functions.vport_create = lpfc_vport_create;
++ *(void **)&lpfc_transport_functions.vport_delete = lpfc_vport_delete;
++ pax_close_kernel();
+ }
+ lpfc_transport_template =
+ fc_attach_transport(&lpfc_transport_functions);
+diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
+index 925975d..0f1fc07 100644
+--- a/drivers/scsi/lpfc/lpfc_scsi.c
++++ b/drivers/scsi/lpfc/lpfc_scsi.c
+@@ -311,7 +311,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
+ uint32_t evt_posted;
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+- atomic_inc(&phba->num_rsrc_err);
++ atomic_inc_unchecked(&phba->num_rsrc_err);
+ phba->last_rsrc_error_time = jiffies;
+
+ if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) {
+@@ -352,7 +352,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport,
+ unsigned long flags;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t evt_posted;
+- atomic_inc(&phba->num_cmd_success);
++ atomic_inc_unchecked(&phba->num_cmd_success);
+
+ if (vport->cfg_lun_queue_depth <= queue_depth)
+ return;
+@@ -396,8 +396,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
+ unsigned long num_rsrc_err, num_cmd_success;
+ int i;
+
+- num_rsrc_err = atomic_read(&phba->num_rsrc_err);
+- num_cmd_success = atomic_read(&phba->num_cmd_success);
++ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err);
++ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success);
+
+ /*
+ * The error and success command counters are global per
+@@ -425,8 +425,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
+ }
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+- atomic_set(&phba->num_rsrc_err, 0);
+- atomic_set(&phba->num_cmd_success, 0);
++ atomic_set_unchecked(&phba->num_rsrc_err, 0);
++ atomic_set_unchecked(&phba->num_cmd_success, 0);
+ }
+
+ /**
+@@ -460,8 +460,8 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
+ }
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+- atomic_set(&phba->num_rsrc_err, 0);
+- atomic_set(&phba->num_cmd_success, 0);
++ atomic_set_unchecked(&phba->num_rsrc_err, 0);
++ atomic_set_unchecked(&phba->num_cmd_success, 0);
+ }
+
+ /**
+diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
+index ea8a0b4..812a124 100644
+--- a/drivers/scsi/pmcraid.c
++++ b/drivers/scsi/pmcraid.c
+@@ -200,8 +200,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
+ res->scsi_dev = scsi_dev;
+ scsi_dev->hostdata = res;
+ res->change_detected = 0;
+- atomic_set(&res->read_failures, 0);
+- atomic_set(&res->write_failures, 0);
++ atomic_set_unchecked(&res->read_failures, 0);
++ atomic_set_unchecked(&res->write_failures, 0);
+ rc = 0;
+ }
+ spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags);
+@@ -2676,9 +2676,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
+
+ /* If this was a SCSI read/write command keep count of errors */
+ if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD)
+- atomic_inc(&res->read_failures);
++ atomic_inc_unchecked(&res->read_failures);
+ else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD)
+- atomic_inc(&res->write_failures);
++ atomic_inc_unchecked(&res->write_failures);
+
+ if (!RES_IS_GSCSI(res->cfg_entry) &&
+ masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) {
+@@ -3534,7 +3534,7 @@ static int pmcraid_queuecommand_lck(
+ * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
+ * hrrq_id assigned here in queuecommand
+ */
+- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
++ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
+ pinstance->num_hrrq;
+ cmd->cmd_done = pmcraid_io_done;
+
+@@ -3859,7 +3859,7 @@ static long pmcraid_ioctl_passthrough(
+ * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
+ * hrrq_id assigned here in queuecommand
+ */
+- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
++ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
+ pinstance->num_hrrq;
+
+ if (request_size) {
+@@ -4497,7 +4497,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
+
+ pinstance = container_of(workp, struct pmcraid_instance, worker_q);
+ /* add resources only after host is added into system */
+- if (!atomic_read(&pinstance->expose_resources))
++ if (!atomic_read_unchecked(&pinstance->expose_resources))
+ return;
+
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
+@@ -5331,8 +5331,8 @@ static int __devinit pmcraid_init_instance(
+ init_waitqueue_head(&pinstance->reset_wait_q);
+
+ atomic_set(&pinstance->outstanding_cmds, 0);
+- atomic_set(&pinstance->last_message_id, 0);
+- atomic_set(&pinstance->expose_resources, 0);
++ atomic_set_unchecked(&pinstance->last_message_id, 0);
++ atomic_set_unchecked(&pinstance->expose_resources, 0);
+
+ INIT_LIST_HEAD(&pinstance->free_res_q);
+ INIT_LIST_HEAD(&pinstance->used_res_q);
+@@ -6047,7 +6047,7 @@ static int __devinit pmcraid_probe(
+ /* Schedule worker thread to handle CCN and take care of adding and
+ * removing devices to OS
+ */
+- atomic_set(&pinstance->expose_resources, 1);
++ atomic_set_unchecked(&pinstance->expose_resources, 1);
+ schedule_work(&pinstance->worker_q);
+ return rc;
+
+diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
+index e1d150f..6c6df44 100644
+--- a/drivers/scsi/pmcraid.h
++++ b/drivers/scsi/pmcraid.h
+@@ -748,7 +748,7 @@ struct pmcraid_instance {
+ struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS];
+
+ /* Message id as filled in last fired IOARCB, used to identify HRRQ */
+- atomic_t last_message_id;
++ atomic_unchecked_t last_message_id;
+
+ /* configuration table */
+ struct pmcraid_config_table *cfg_table;
+@@ -777,7 +777,7 @@ struct pmcraid_instance {
+ atomic_t outstanding_cmds;
+
+ /* should add/delete resources to mid-layer now ?*/
+- atomic_t expose_resources;
++ atomic_unchecked_t expose_resources;
+
+
+
+@@ -813,8 +813,8 @@ struct pmcraid_resource_entry {
+ struct pmcraid_config_table_entry_ext cfg_entry_ext;
+ };
+ struct scsi_device *scsi_dev; /* Link scsi_device structure */
+- atomic_t read_failures; /* count of failed READ commands */
+- atomic_t write_failures; /* count of failed WRITE commands */
++ atomic_unchecked_t read_failures; /* count of failed READ commands */
++ atomic_unchecked_t write_failures; /* count of failed WRITE commands */
+
+ /* To indicate add/delete/modify during CCN */
+ u8 change_detected;
+diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
+index 5ab9530..2dd80f7 100644
+--- a/drivers/scsi/qla2xxx/qla_attr.c
++++ b/drivers/scsi/qla2xxx/qla_attr.c
+@@ -1855,7 +1855,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
+ return 0;
+ }
+
+-struct fc_function_template qla2xxx_transport_functions = {
++fc_function_template_no_const qla2xxx_transport_functions = {
+
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+@@ -1902,7 +1902,7 @@ struct fc_function_template qla2xxx_transport_functions = {
+ .bsg_timeout = qla24xx_bsg_timeout,
+ };
+
+-struct fc_function_template qla2xxx_transport_vport_functions = {
++fc_function_template_no_const qla2xxx_transport_vport_functions = {
+
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
+index 39007f5..7fafc64 100644
+--- a/drivers/scsi/qla2xxx/qla_def.h
++++ b/drivers/scsi/qla2xxx/qla_def.h
+@@ -2284,7 +2284,7 @@ struct isp_operations {
+ int (*start_scsi) (srb_t *);
+ int (*abort_isp) (struct scsi_qla_host *);
+ int (*iospace_config)(struct qla_hw_data*);
+-};
++} __no_const;
+
+ /* MSI-X Support *************************************************************/
+
+diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
+index 9eacd2d..d79629c 100644
+--- a/drivers/scsi/qla2xxx/qla_gbl.h
++++ b/drivers/scsi/qla2xxx/qla_gbl.h
+@@ -484,8 +484,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *);
+ struct device_attribute;
+ extern struct device_attribute *qla2x00_host_attrs[];
+ struct fc_function_template;
+-extern struct fc_function_template qla2xxx_transport_functions;
+-extern struct fc_function_template qla2xxx_transport_vport_functions;
++extern fc_function_template_no_const qla2xxx_transport_functions;
++extern fc_function_template_no_const qla2xxx_transport_vport_functions;
+ extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
+ extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
+ extern void qla2x00_init_host_attr(scsi_qla_host_t *);
+diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
+index 7fdba7f..1b4b2c2 100644
+--- a/drivers/scsi/qla4xxx/ql4_def.h
++++ b/drivers/scsi/qla4xxx/ql4_def.h
+@@ -268,7 +268,7 @@ struct ddb_entry {
+ * (4000 only) */
+ atomic_t relogin_timer; /* Max Time to wait for
+ * relogin to complete */
+- atomic_t relogin_retry_count; /* Num of times relogin has been
++ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been
+ * retried */
+ uint32_t default_time2wait; /* Default Min time between
+ * relogins (+aens) */
+diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
+index 9da4266..377b3b6 100644
+--- a/drivers/scsi/qla4xxx/ql4_os.c
++++ b/drivers/scsi/qla4xxx/ql4_os.c
+@@ -2615,12 +2615,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+ */
+ if (!iscsi_is_session_online(cls_sess)) {
+ /* Reset retry relogin timer */
+- atomic_inc(&ddb_entry->relogin_retry_count);
++ atomic_inc_unchecked(&ddb_entry->relogin_retry_count);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: index[%d] relogin timed out-retrying"
+ " relogin (%d), retry (%d)\n", __func__,
+ ddb_entry->fw_ddb_index,
+- atomic_read(&ddb_entry->relogin_retry_count),
++ atomic_read_unchecked(&ddb_entry->relogin_retry_count),
+ ddb_entry->default_time2wait + 4));
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ atomic_set(&ddb_entry->retry_relogin_timer,
+@@ -4635,7 +4635,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+
+ atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+ atomic_set(&ddb_entry->relogin_timer, 0);
+- atomic_set(&ddb_entry->relogin_retry_count, 0);
++ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0);
+ def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+ ddb_entry->default_relogin_timeout =
+ (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
+diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
+index 2936b44..546ecdb 100644
+--- a/drivers/scsi/scsi.c
++++ b/drivers/scsi/scsi.c
+@@ -660,7 +660,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
+ unsigned long timeout;
+ int rtn = 0;
+
+- atomic_inc(&cmd->device->iorequest_cnt);
++ atomic_inc_unchecked(&cmd->device->iorequest_cnt);
+
+ /* check if the device is still usable */
+ if (unlikely(cmd->device->sdev_state == SDEV_DEL)) {
+diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
+index faa790f..7e351ddd 100644
+--- a/drivers/scsi/scsi_lib.c
++++ b/drivers/scsi/scsi_lib.c
+@@ -1442,7 +1442,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
+ shost = sdev->host;
+ scsi_init_cmd_errh(cmd);
+ cmd->result = DID_NO_CONNECT << 16;
+- atomic_inc(&cmd->device->iorequest_cnt);
++ atomic_inc_unchecked(&cmd->device->iorequest_cnt);
+
+ /*
+ * SCSI request completion path will do scsi_device_unbusy(),
+@@ -1468,9 +1468,9 @@ static void scsi_softirq_done(struct request *rq)
+
+ INIT_LIST_HEAD(&cmd->eh_entry);
+
+- atomic_inc(&cmd->device->iodone_cnt);
++ atomic_inc_unchecked(&cmd->device->iodone_cnt);
+ if (cmd->result)
+- atomic_inc(&cmd->device->ioerr_cnt);
++ atomic_inc_unchecked(&cmd->device->ioerr_cnt);
+
+ disposition = scsi_decide_disposition(cmd);
+ if (disposition != SUCCESS &&
+diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
+index ce5224c..8c6d071 100644
+--- a/drivers/scsi/scsi_sysfs.c
++++ b/drivers/scsi/scsi_sysfs.c
+@@ -661,7 +661,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
+ { \
+ struct scsi_device *sdev = to_scsi_device(dev); \
+- unsigned long long count = atomic_read(&sdev->field); \
++ unsigned long long count = atomic_read_unchecked(&sdev->field); \
+ return snprintf(buf, 20, "0x%llx\n", count); \
+ } \
+ static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)
+diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
+index 84a1fdf..693b0d6 100644
+--- a/drivers/scsi/scsi_tgt_lib.c
++++ b/drivers/scsi/scsi_tgt_lib.c
+@@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
+ int err;
+
+ dprintk("%lx %u\n", uaddr, len);
+- err = blk_rq_map_user(q, rq, NULL, (void *)uaddr, len, GFP_KERNEL);
++ err = blk_rq_map_user(q, rq, NULL, (void __user *)uaddr, len, GFP_KERNEL);
+ if (err) {
+ /*
+ * TODO: need to fixup sg_tablesize, max_segment_size,
+diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
+index e894ca7..de9d7660 100644
+--- a/drivers/scsi/scsi_transport_fc.c
++++ b/drivers/scsi/scsi_transport_fc.c
+@@ -498,7 +498,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class,
+ * Netlink Infrastructure
+ */
+
+-static atomic_t fc_event_seq;
++static atomic_unchecked_t fc_event_seq;
+
+ /**
+ * fc_get_event_number - Obtain the next sequential FC event number
+@@ -511,7 +511,7 @@ static atomic_t fc_event_seq;
+ u32
+ fc_get_event_number(void)
+ {
+- return atomic_add_return(1, &fc_event_seq);
++ return atomic_add_return_unchecked(1, &fc_event_seq);
+ }
+ EXPORT_SYMBOL(fc_get_event_number);
+
+@@ -659,7 +659,7 @@ static __init int fc_transport_init(void)
+ {
+ int error;
+
+- atomic_set(&fc_event_seq, 0);
++ atomic_set_unchecked(&fc_event_seq, 0);
+
+ error = transport_class_register(&fc_host_class);
+ if (error)
+@@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val)
+ char *cp;
+
+ *val = simple_strtoul(buf, &cp, 0);
+- if ((*cp && (*cp != '\n')) || (*val < 0))
++ if (*cp && (*cp != '\n'))
+ return -EINVAL;
+ /*
+ * Check for overflow; dev_loss_tmo is u32
+diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
+index fa1dfaa..4bb620c 100644
+--- a/drivers/scsi/scsi_transport_iscsi.c
++++ b/drivers/scsi/scsi_transport_iscsi.c
+@@ -79,7 +79,7 @@ struct iscsi_internal {
+ struct transport_container session_cont;
+ };
+
+-static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
++static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */
+ static struct workqueue_struct *iscsi_eh_timer_workq;
+
+ static DEFINE_IDA(iscsi_sess_ida);
+@@ -1064,7 +1064,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
+ int err;
+
+ ihost = shost->shost_data;
+- session->sid = atomic_add_return(1, &iscsi_session_nr);
++ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr);
+
+ if (target_id == ISCSI_MAX_TARGET) {
+ id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL);
+@@ -2943,7 +2943,7 @@ static __init int iscsi_transport_init(void)
+ printk(KERN_INFO "Loading iSCSI transport class v%s.\n",
+ ISCSI_TRANSPORT_VERSION);
+
+- atomic_set(&iscsi_session_nr, 0);
++ atomic_set_unchecked(&iscsi_session_nr, 0);
+
+ err = class_register(&iscsi_transport_class);
+ if (err)
+diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
+index 21a045e..ec89e03 100644
+--- a/drivers/scsi/scsi_transport_srp.c
++++ b/drivers/scsi/scsi_transport_srp.c
+@@ -33,7 +33,7 @@
+ #include "scsi_transport_srp_internal.h"
+
+ struct srp_host_attrs {
+- atomic_t next_port_id;
++ atomic_unchecked_t next_port_id;
+ };
+ #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data)
+
+@@ -62,7 +62,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev,
+ struct Scsi_Host *shost = dev_to_shost(dev);
+ struct srp_host_attrs *srp_host = to_srp_host_attrs(shost);
+
+- atomic_set(&srp_host->next_port_id, 0);
++ atomic_set_unchecked(&srp_host->next_port_id, 0);
+ return 0;
+ }
+
+@@ -211,7 +211,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost,
+ memcpy(rport->port_id, ids->port_id, sizeof(rport->port_id));
+ rport->roles = ids->roles;
+
+- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id);
++ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id);
+ dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id);
+
+ transport_setup_device(&rport->dev);
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index 4df73e5..b691c58 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -2709,7 +2709,7 @@ static int sd_probe(struct device *dev)
+ sdkp->disk = gd;
+ sdkp->index = index;
+ atomic_set(&sdkp->openers, 0);
+- atomic_set(&sdkp->device->ioerr_cnt, 0);
++ atomic_set_unchecked(&sdkp->device->ioerr_cnt, 0);
+
+ if (!sdp->request_queue->rq_timeout) {
+ if (sdp->type != TYPE_MOD)
+diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
+index 9c5c5f2..8414557 100644
+--- a/drivers/scsi/sg.c
++++ b/drivers/scsi/sg.c
+@@ -1101,7 +1101,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
+ sdp->disk->disk_name,
+ MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
+ NULL,
+- (char *)arg);
++ (char __user *)arg);
+ case BLKTRACESTART:
+ return blk_trace_startstop(sdp->device->request_queue, 1);
+ case BLKTRACESTOP:
+diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
+index 84c2861..ece0a31 100644
+--- a/drivers/spi/spi.c
++++ b/drivers/spi/spi.c
+@@ -1453,7 +1453,7 @@ int spi_bus_unlock(struct spi_master *master)
+ EXPORT_SYMBOL_GPL(spi_bus_unlock);
+
+ /* portable code must never pass more than 32 bytes */
+-#define SPI_BUFSIZ max(32,SMP_CACHE_BYTES)
++#define SPI_BUFSIZ max(32UL,SMP_CACHE_BYTES)
+
+ static u8 *buf;
+
+diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
+index 34afc16..ffe44dd 100644
+--- a/drivers/staging/octeon/ethernet-rx.c
++++ b/drivers/staging/octeon/ethernet-rx.c
+@@ -421,11 +421,11 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
+ /* Increment RX stats for virtual ports */
+ if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) {
+ #ifdef CONFIG_64BIT
+- atomic64_add(1, (atomic64_t *)&priv->stats.rx_packets);
+- atomic64_add(skb->len, (atomic64_t *)&priv->stats.rx_bytes);
++ atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_packets);
++ atomic64_add_unchecked(skb->len, (atomic64_unchecked_t *)&priv->stats.rx_bytes);
+ #else
+- atomic_add(1, (atomic_t *)&priv->stats.rx_packets);
+- atomic_add(skb->len, (atomic_t *)&priv->stats.rx_bytes);
++ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_packets);
++ atomic_add_unchecked(skb->len, (atomic_unchecked_t *)&priv->stats.rx_bytes);
+ #endif
+ }
+ netif_receive_skb(skb);
+@@ -437,9 +437,9 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
+ dev->name);
+ */
+ #ifdef CONFIG_64BIT
+- atomic64_add(1, (atomic64_t *)&priv->stats.rx_dropped);
++ atomic64_unchecked_add(1, (atomic64_unchecked_t *)&priv->stats.rx_dropped);
+ #else
+- atomic_add(1, (atomic_t *)&priv->stats.rx_dropped);
++ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_dropped);
+ #endif
+ dev_kfree_skb_irq(skb);
+ }
+diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
+index 683bedc..86dba9a 100644
+--- a/drivers/staging/octeon/ethernet.c
++++ b/drivers/staging/octeon/ethernet.c
+@@ -252,11 +252,11 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
+ * since the RX tasklet also increments it.
+ */
+ #ifdef CONFIG_64BIT
+- atomic64_add(rx_status.dropped_packets,
+- (atomic64_t *)&priv->stats.rx_dropped);
++ atomic64_add_unchecked(rx_status.dropped_packets,
++ (atomic64_unchecked_t *)&priv->stats.rx_dropped);
+ #else
+- atomic_add(rx_status.dropped_packets,
+- (atomic_t *)&priv->stats.rx_dropped);
++ atomic_add_unchecked(rx_status.dropped_packets,
++ (atomic_unchecked_t *)&priv->stats.rx_dropped);
+ #endif
+ }
+
+diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
+index 4beab94..44149ee 100644
+--- a/drivers/staging/omapdrm/omap_drv.c
++++ b/drivers/staging/omapdrm/omap_drv.c
+@@ -761,7 +761,6 @@ static struct drm_driver omap_drm_driver = {
+ .irq_postinstall = dev_irq_postinstall,
+ .irq_uninstall = dev_irq_uninstall,
+ .irq_handler = dev_irq_handler,
+- .reclaim_buffers = drm_core_reclaim_buffers,
+ #ifdef CONFIG_DEBUG_FS
+ .debugfs_init = omap_debugfs_init,
+ .debugfs_cleanup = omap_debugfs_cleanup,
+diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h
+index dc23395..cf7e9b1 100644
+--- a/drivers/staging/rtl8712/rtl871x_io.h
++++ b/drivers/staging/rtl8712/rtl871x_io.h
+@@ -108,7 +108,7 @@ struct _io_ops {
+ u8 *pmem);
+ u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
+ u8 *pmem);
+-};
++} __no_const;
+
+ struct io_req {
+ struct list_head list;
+diff --git a/drivers/staging/sbe-2t3e3/netdev.c b/drivers/staging/sbe-2t3e3/netdev.c
+index c7b5e8b..783d6cb 100644
+--- a/drivers/staging/sbe-2t3e3/netdev.c
++++ b/drivers/staging/sbe-2t3e3/netdev.c
+@@ -51,7 +51,7 @@ int t3e3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ t3e3_if_config(sc, cmd_2t3e3, (char *)¶m, &resp, &rlen);
+
+ if (rlen)
+- if (copy_to_user(data, &resp, rlen))
++ if (rlen > sizeof resp || copy_to_user(data, &resp, rlen))
+ return -EFAULT;
+
+ return 0;
+diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
+index 5d89c0f..9261317 100644
+--- a/drivers/staging/usbip/usbip_common.h
++++ b/drivers/staging/usbip/usbip_common.h
+@@ -289,7 +289,7 @@ struct usbip_device {
+ void (*shutdown)(struct usbip_device *);
+ void (*reset)(struct usbip_device *);
+ void (*unusable)(struct usbip_device *);
+- } eh_ops;
++ } __no_const eh_ops;
+ };
+
+ #define kthread_get_run(threadfn, data, namefmt, ...) \
+diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h
+index c66b8b3..a4a035b 100644
+--- a/drivers/staging/usbip/vhci.h
++++ b/drivers/staging/usbip/vhci.h
+@@ -83,7 +83,7 @@ struct vhci_hcd {
+ unsigned resuming:1;
+ unsigned long re_timeout;
+
+- atomic_t seqnum;
++ atomic_unchecked_t seqnum;
+
+ /*
+ * NOTE:
+diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
+index 12a9a5f..afd8295 100644
+--- a/drivers/staging/usbip/vhci_hcd.c
++++ b/drivers/staging/usbip/vhci_hcd.c
+@@ -471,7 +471,7 @@ static void vhci_tx_urb(struct urb *urb)
+ return;
+ }
+
+- priv->seqnum = atomic_inc_return(&the_controller->seqnum);
++ priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
+ if (priv->seqnum == 0xffff)
+ dev_info(&urb->dev->dev, "seqnum max\n");
+
+@@ -723,7 +723,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
+ return -ENOMEM;
+ }
+
+- unlink->seqnum = atomic_inc_return(&the_controller->seqnum);
++ unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
+ if (unlink->seqnum == 0xffff)
+ pr_info("seqnum max\n");
+
+@@ -911,7 +911,7 @@ static int vhci_start(struct usb_hcd *hcd)
+ vdev->rhport = rhport;
+ }
+
+- atomic_set(&vhci->seqnum, 0);
++ atomic_set_unchecked(&vhci->seqnum, 0);
+ spin_lock_init(&vhci->lock);
+
+ hcd->power_budget = 0; /* no limit */
+diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
+index f0eaf04..5a82e06 100644
+--- a/drivers/staging/usbip/vhci_rx.c
++++ b/drivers/staging/usbip/vhci_rx.c
+@@ -77,7 +77,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
+ if (!urb) {
+ pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
+ pr_info("max seqnum %d\n",
+- atomic_read(&the_controller->seqnum));
++ atomic_read_unchecked(&the_controller->seqnum));
+ usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+ return;
+ }
+diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
+index 6ac6f45..1b208ba 100644
+--- a/drivers/staging/vt6655/hostap.c
++++ b/drivers/staging/vt6655/hostap.c
+@@ -73,14 +73,13 @@ static int msglevel =MSG_LEVEL_INFO;
+ *
+ */
+
++static net_device_ops_no_const apdev_netdev_ops;
++
+ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
+ {
+ PSDevice apdev_priv;
+ struct net_device *dev = pDevice->dev;
+ int ret;
+- const struct net_device_ops apdev_netdev_ops = {
+- .ndo_start_xmit = pDevice->tx_80211,
+- };
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
+
+@@ -92,6 +91,8 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
+ *apdev_priv = *pDevice;
+ memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
+
++ /* only half broken now */
++ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211;
+ pDevice->apdev->netdev_ops = &apdev_netdev_ops;
+
+ pDevice->apdev->type = ARPHRD_IEEE80211;
+diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
+index 682002a..35ed5cf 100644
+--- a/drivers/staging/vt6656/hostap.c
++++ b/drivers/staging/vt6656/hostap.c
+@@ -60,14 +60,13 @@ static int msglevel =MSG_LEVEL_INFO;
+ *
+ */
+
++static net_device_ops_no_const apdev_netdev_ops;
++
+ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
+ {
+ PSDevice apdev_priv;
+ struct net_device *dev = pDevice->dev;
+ int ret;
+- const struct net_device_ops apdev_netdev_ops = {
+- .ndo_start_xmit = pDevice->tx_80211,
+- };
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
+
+@@ -79,6 +78,8 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
+ *apdev_priv = *pDevice;
+ memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
+
++ /* only half broken now */
++ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211;
+ pDevice->apdev->netdev_ops = &apdev_netdev_ops;
+
+ pDevice->apdev->type = ARPHRD_IEEE80211;
+diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
+index 7843dfd..3db105f 100644
+--- a/drivers/staging/wlan-ng/hfa384x_usb.c
++++ b/drivers/staging/wlan-ng/hfa384x_usb.c
+@@ -204,7 +204,7 @@ static void unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
+
+ struct usbctlx_completor {
+ int (*complete) (struct usbctlx_completor *);
+-};
++} __no_const;
+
+ static int
+ hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
+diff --git a/drivers/staging/zcache/tmem.c b/drivers/staging/zcache/tmem.c
+index eaa9021..43f023b 100644
+--- a/drivers/staging/zcache/tmem.c
++++ b/drivers/staging/zcache/tmem.c
+@@ -39,7 +39,7 @@
+ * A tmem host implementation must use this function to register callbacks
+ * for memory allocation.
+ */
+-static struct tmem_hostops tmem_hostops;
++static tmem_hostops_no_const tmem_hostops;
+
+ static void tmem_objnode_tree_init(void);
+
+@@ -53,7 +53,7 @@ void tmem_register_hostops(struct tmem_hostops *m)
+ * A tmem host implementation must use this function to register
+ * callbacks for a page-accessible memory (PAM) implementation
+ */
+-static struct tmem_pamops tmem_pamops;
++static tmem_pamops_no_const tmem_pamops;
+
+ void tmem_register_pamops(struct tmem_pamops *m)
+ {
+diff --git a/drivers/staging/zcache/tmem.h b/drivers/staging/zcache/tmem.h
+index 0d4aa82..f7832d4 100644
+--- a/drivers/staging/zcache/tmem.h
++++ b/drivers/staging/zcache/tmem.h
+@@ -180,6 +180,7 @@ struct tmem_pamops {
+ void (*new_obj)(struct tmem_obj *);
+ int (*replace_in_obj)(void *, struct tmem_obj *);
+ };
++typedef struct tmem_pamops __no_const tmem_pamops_no_const;
+ extern void tmem_register_pamops(struct tmem_pamops *m);
+
+ /* memory allocation methods provided by the host implementation */
+@@ -189,6 +190,7 @@ struct tmem_hostops {
+ struct tmem_objnode *(*objnode_alloc)(struct tmem_pool *);
+ void (*objnode_free)(struct tmem_objnode *, struct tmem_pool *);
+ };
++typedef struct tmem_hostops __no_const tmem_hostops_no_const;
+ extern void tmem_register_hostops(struct tmem_hostops *m);
+
+ /* core tmem accessor functions */
+diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
+index 9fc9a60..68d4c10 100644
+--- a/drivers/target/target_core_device.c
++++ b/drivers/target/target_core_device.c
+@@ -850,20 +850,20 @@ int se_dev_check_shutdown(struct se_device *dev)
+
+ static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
+ {
+- u32 tmp, aligned_max_sectors;
++ u32 aligned_max_sectors;
++ u32 alignment;
+ /*
+ * Limit max_sectors to a PAGE_SIZE aligned value for modern
+ * transport_allocate_data_tasks() operation.
+ */
+- tmp = rounddown((max_sectors * block_size), PAGE_SIZE);
+- aligned_max_sectors = (tmp / block_size);
+- if (max_sectors != aligned_max_sectors) {
+- printk(KERN_INFO "Rounding down aligned max_sectors from %u"
+- " to %u\n", max_sectors, aligned_max_sectors);
+- return aligned_max_sectors;
+- }
++ alignment = max(1ul, PAGE_SIZE / block_size);
++ aligned_max_sectors = rounddown(max_sectors, alignment);
+
+- return max_sectors;
++ if (max_sectors != aligned_max_sectors)
++ pr_info("Rounding down aligned max_sectors from %u to %u\n",
++ max_sectors, aligned_max_sectors);
++
++ return aligned_max_sectors;
+ }
+
+ void se_dev_set_default_attribs(
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index 7502660..f214d9f 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -1098,7 +1098,7 @@ struct se_device *transport_add_device_to_core_hba(
+ spin_lock_init(&dev->se_port_lock);
+ spin_lock_init(&dev->se_tmr_lock);
+ spin_lock_init(&dev->qf_cmd_lock);
+- atomic_set(&dev->dev_ordered_id, 0);
++ atomic_set_unchecked(&dev->dev_ordered_id, 0);
+
+ se_dev_set_default_attribs(dev, dev_limits);
+
+@@ -1288,7 +1288,7 @@ static int transport_check_alloc_task_attr(struct se_cmd *cmd)
+ * Used to determine when ORDERED commands should go from
+ * Dormant to Active status.
+ */
+- cmd->se_ordered_id = atomic_inc_return(&cmd->se_dev->dev_ordered_id);
++ cmd->se_ordered_id = atomic_inc_return_unchecked(&cmd->se_dev->dev_ordered_id);
+ smp_mb__after_atomic_inc();
+ pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n",
+ cmd->se_ordered_id, cmd->sam_task_attr,
+diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
+index e61cabd..7617d26 100644
+--- a/drivers/tty/cyclades.c
++++ b/drivers/tty/cyclades.c
+@@ -1589,10 +1589,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
+ printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line,
+ info->port.count);
+ #endif
+- info->port.count++;
++ atomic_inc(&info->port.count);
+ #ifdef CY_DEBUG_COUNT
+ printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n",
+- current->pid, info->port.count);
++ current->pid, atomic_read(&info->port.count));
+ #endif
+
+ /*
+@@ -3987,7 +3987,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v)
+ for (j = 0; j < cy_card[i].nports; j++) {
+ info = &cy_card[i].ports[j];
+
+- if (info->port.count) {
++ if (atomic_read(&info->port.count)) {
+ /* XXX is the ldisc num worth this? */
+ struct tty_struct *tty;
+ struct tty_ldisc *ld;
+diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
+index 2d691eb..be02ebd 100644
+--- a/drivers/tty/hvc/hvc_console.c
++++ b/drivers/tty/hvc/hvc_console.c
+@@ -315,7 +315,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
+
+ spin_lock_irqsave(&hp->port.lock, flags);
+ /* Check and then increment for fast path open. */
+- if (hp->port.count++ > 0) {
++ if (atomic_inc_return(&hp->port.count) > 1) {
+ spin_unlock_irqrestore(&hp->port.lock, flags);
+ hvc_kick();
+ return 0;
+@@ -366,7 +366,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
+
+ spin_lock_irqsave(&hp->port.lock, flags);
+
+- if (--hp->port.count == 0) {
++ if (atomic_dec_return(&hp->port.count) == 0) {
+ spin_unlock_irqrestore(&hp->port.lock, flags);
+ /* We are done with the tty pointer now. */
+ tty_port_tty_set(&hp->port, NULL);
+@@ -384,9 +384,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
+ */
+ tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT);
+ } else {
+- if (hp->port.count < 0)
++ if (atomic_read(&hp->port.count) < 0)
+ printk(KERN_ERR "hvc_close %X: oops, count is %d\n",
+- hp->vtermno, hp->port.count);
++ hp->vtermno, atomic_read(&hp->port.count));
+ spin_unlock_irqrestore(&hp->port.lock, flags);
+ }
+
+@@ -412,13 +412,13 @@ static void hvc_hangup(struct tty_struct *tty)
+ * open->hangup case this can be called after the final close so prevent
+ * that from happening for now.
+ */
+- if (hp->port.count <= 0) {
++ if (atomic_read(&hp->port.count) <= 0) {
+ spin_unlock_irqrestore(&hp->port.lock, flags);
+ return;
+ }
+
+- temp_open_count = hp->port.count;
+- hp->port.count = 0;
++ temp_open_count = atomic_read(&hp->port.count);
++ atomic_set(&hp->port.count, 0);
+ spin_unlock_irqrestore(&hp->port.lock, flags);
+ tty_port_tty_set(&hp->port, NULL);
+
+@@ -471,7 +471,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count
+ return -EPIPE;
+
+ /* FIXME what's this (unprotected) check for? */
+- if (hp->port.count <= 0)
++ if (atomic_read(&hp->port.count) <= 0)
+ return -EIO;
+
+ spin_lock_irqsave(&hp->lock, flags);
+diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
+index d56788c..12d8f85 100644
+--- a/drivers/tty/hvc/hvcs.c
++++ b/drivers/tty/hvc/hvcs.c
+@@ -83,6 +83,7 @@
+ #include <asm/hvcserver.h>
+ #include <asm/uaccess.h>
+ #include <asm/vio.h>
++#include <asm/local.h>
+
+ /*
+ * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00).
+@@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut
+
+ spin_lock_irqsave(&hvcsd->lock, flags);
+
+- if (hvcsd->port.count > 0) {
++ if (atomic_read(&hvcsd->port.count) > 0) {
+ spin_unlock_irqrestore(&hvcsd->lock, flags);
+ printk(KERN_INFO "HVCS: vterm state unchanged. "
+ "The hvcs device node is still in use.\n");
+@@ -1134,7 +1135,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp)
+ if ((retval = hvcs_partner_connect(hvcsd)))
+ goto error_release;
+
+- hvcsd->port.count = 1;
++ atomic_set(&hvcsd->port.count, 1);
+ hvcsd->port.tty = tty;
+ tty->driver_data = hvcsd;
+
+@@ -1168,7 +1169,7 @@ fast_open:
+
+ spin_lock_irqsave(&hvcsd->lock, flags);
+ tty_port_get(&hvcsd->port);
+- hvcsd->port.count++;
++ atomic_inc(&hvcsd->port.count);
+ hvcsd->todo_mask |= HVCS_SCHED_READ;
+ spin_unlock_irqrestore(&hvcsd->lock, flags);
+
+@@ -1212,7 +1213,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
+ hvcsd = tty->driver_data;
+
+ spin_lock_irqsave(&hvcsd->lock, flags);
+- if (--hvcsd->port.count == 0) {
++ if (atomic_dec_and_test(&hvcsd->port.count)) {
+
+ vio_disable_interrupts(hvcsd->vdev);
+
+@@ -1238,10 +1239,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
+ free_irq(irq, hvcsd);
+ tty_port_put(&hvcsd->port);
+ return;
+- } else if (hvcsd->port.count < 0) {
++ } else if (atomic_read(&hvcsd->port.count) < 0) {
+ printk(KERN_ERR "HVCS: vty-server@%X open_count: %d"
+ " is missmanaged.\n",
+- hvcsd->vdev->unit_address, hvcsd->port.count);
++ hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count));
+ }
+
+ spin_unlock_irqrestore(&hvcsd->lock, flags);
+@@ -1257,7 +1258,7 @@ static void hvcs_hangup(struct tty_struct * tty)
+
+ spin_lock_irqsave(&hvcsd->lock, flags);
+ /* Preserve this so that we know how many kref refs to put */
+- temp_open_count = hvcsd->port.count;
++ temp_open_count = atomic_read(&hvcsd->port.count);
+
+ /*
+ * Don't kref put inside the spinlock because the destruction
+@@ -1272,7 +1273,7 @@ static void hvcs_hangup(struct tty_struct * tty)
+ tty->driver_data = NULL;
+ hvcsd->port.tty = NULL;
+
+- hvcsd->port.count = 0;
++ atomic_set(&hvcsd->port.count, 0);
+
+ /* This will drop any buffered data on the floor which is OK in a hangup
+ * scenario. */
+@@ -1343,7 +1344,7 @@ static int hvcs_write(struct tty_struct *tty,
+ * the middle of a write operation? This is a crummy place to do this
+ * but we want to keep it all in the spinlock.
+ */
+- if (hvcsd->port.count <= 0) {
++ if (atomic_read(&hvcsd->port.count) <= 0) {
+ spin_unlock_irqrestore(&hvcsd->lock, flags);
+ return -ENODEV;
+ }
+@@ -1417,7 +1418,7 @@ static int hvcs_write_room(struct tty_struct *tty)
+ {
+ struct hvcs_struct *hvcsd = tty->driver_data;
+
+- if (!hvcsd || hvcsd->port.count <= 0)
++ if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0)
+ return 0;
+
+ return HVCS_BUFF_LEN - hvcsd->chars_in_buffer;
+diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
+index f8b5fa0..4ba9f89 100644
+--- a/drivers/tty/ipwireless/tty.c
++++ b/drivers/tty/ipwireless/tty.c
+@@ -29,6 +29,7 @@
+ #include <linux/tty_driver.h>
+ #include <linux/tty_flip.h>
+ #include <linux/uaccess.h>
++#include <asm/local.h>
+
+ #include "tty.h"
+ #include "network.h"
+@@ -99,10 +100,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
+ mutex_unlock(&tty->ipw_tty_mutex);
+ return -ENODEV;
+ }
+- if (tty->port.count == 0)
++ if (atomic_read(&tty->port.count) == 0)
+ tty->tx_bytes_queued = 0;
+
+- tty->port.count++;
++ atomic_inc(&tty->port.count);
+
+ tty->port.tty = linux_tty;
+ linux_tty->driver_data = tty;
+@@ -118,9 +119,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
+
+ static void do_ipw_close(struct ipw_tty *tty)
+ {
+- tty->port.count--;
+-
+- if (tty->port.count == 0) {
++ if (atomic_dec_return(&tty->port.count) == 0) {
+ struct tty_struct *linux_tty = tty->port.tty;
+
+ if (linux_tty != NULL) {
+@@ -141,7 +140,7 @@ static void ipw_hangup(struct tty_struct *linux_tty)
+ return;
+
+ mutex_lock(&tty->ipw_tty_mutex);
+- if (tty->port.count == 0) {
++ if (atomic_read(&tty->port.count) == 0) {
+ mutex_unlock(&tty->ipw_tty_mutex);
+ return;
+ }
+@@ -170,7 +169,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data,
+ return;
+ }
+
+- if (!tty->port.count) {
++ if (!atomic_read(&tty->port.count)) {
+ mutex_unlock(&tty->ipw_tty_mutex);
+ return;
+ }
+@@ -212,7 +211,7 @@ static int ipw_write(struct tty_struct *linux_tty,
+ return -ENODEV;
+
+ mutex_lock(&tty->ipw_tty_mutex);
+- if (!tty->port.count) {
++ if (!atomic_read(&tty->port.count)) {
+ mutex_unlock(&tty->ipw_tty_mutex);
+ return -EINVAL;
+ }
+@@ -252,7 +251,7 @@ static int ipw_write_room(struct tty_struct *linux_tty)
+ if (!tty)
+ return -ENODEV;
+
+- if (!tty->port.count)
++ if (!atomic_read(&tty->port.count))
+ return -EINVAL;
+
+ room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued;
+@@ -294,7 +293,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty)
+ if (!tty)
+ return 0;
+
+- if (!tty->port.count)
++ if (!atomic_read(&tty->port.count))
+ return 0;
+
+ return tty->tx_bytes_queued;
+@@ -375,7 +374,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty)
+ if (!tty)
+ return -ENODEV;
+
+- if (!tty->port.count)
++ if (!atomic_read(&tty->port.count))
+ return -EINVAL;
+
+ return get_control_lines(tty);
+@@ -391,7 +390,7 @@ ipw_tiocmset(struct tty_struct *linux_tty,
+ if (!tty)
+ return -ENODEV;
+
+- if (!tty->port.count)
++ if (!atomic_read(&tty->port.count))
+ return -EINVAL;
+
+ return set_control_lines(tty, set, clear);
+@@ -405,7 +404,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty,
+ if (!tty)
+ return -ENODEV;
+
+- if (!tty->port.count)
++ if (!atomic_read(&tty->port.count))
+ return -EINVAL;
+
+ /* FIXME: Exactly how is the tty object locked here .. */
+@@ -561,7 +560,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
+ * are gone */
+ mutex_lock(&ttyj->ipw_tty_mutex);
+ }
+- while (ttyj->port.count)
++ while (atomic_read(&ttyj->port.count))
+ do_ipw_close(ttyj);
+ ipwireless_disassociate_network_ttys(network,
+ ttyj->channel_idx);
+diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
+index 324467d..504cc25 100644
+--- a/drivers/tty/moxa.c
++++ b/drivers/tty/moxa.c
+@@ -1172,7 +1172,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
+ }
+
+ ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
+- ch->port.count++;
++ atomic_inc(&ch->port.count);
+ tty->driver_data = ch;
+ tty_port_tty_set(&ch->port, tty);
+ mutex_lock(&ch->port.mutex);
+diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
+index 90dff82..08119c3 100644
+--- a/drivers/tty/n_gsm.c
++++ b/drivers/tty/n_gsm.c
+@@ -1639,7 +1639,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr)
+ kref_init(&dlci->ref);
+ mutex_init(&dlci->mutex);
+ dlci->fifo = &dlci->_fifo;
+- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) {
++ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) {
+ kfree(dlci);
+ return NULL;
+ }
+@@ -2909,7 +2909,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
+ if (dlci == NULL)
+ return -ENOMEM;
+ port = &dlci->port;
+- port->count++;
++ atomic_inc(&port->count);
+ tty->driver_data = dlci;
+ dlci_get(dlci);
+ dlci_get(dlci->gsm->dlci[0]);
+diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
+index 26f0d0e..b7c4273 100644
+--- a/drivers/tty/n_tty.c
++++ b/drivers/tty/n_tty.c
+@@ -2124,6 +2124,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
+ {
+ *ops = tty_ldisc_N_TTY;
+ ops->owner = NULL;
+- ops->refcount = ops->flags = 0;
++ atomic_set(&ops->refcount, 0);
++ ops->flags = 0;
+ }
+ EXPORT_SYMBOL_GPL(n_tty_inherit_ops);
+diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
+index 5505ffc..7affff9 100644
+--- a/drivers/tty/pty.c
++++ b/drivers/tty/pty.c
+@@ -718,8 +718,10 @@ static void __init unix98_pty_init(void)
+ panic("Couldn't register Unix98 pts driver");
+
+ /* Now create the /dev/ptmx special device */
++ pax_open_kernel();
+ tty_default_fops(&ptmx_fops);
+- ptmx_fops.open = ptmx_open;
++ *(void **)&ptmx_fops.open = ptmx_open;
++ pax_close_kernel();
+
+ cdev_init(&ptmx_cdev, &ptmx_fops);
+ if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) ||
+diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
+index 777d5f9..56d67ca 100644
+--- a/drivers/tty/rocket.c
++++ b/drivers/tty/rocket.c
+@@ -924,7 +924,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
+ tty->driver_data = info;
+ tty_port_tty_set(port, tty);
+
+- if (port->count++ == 0) {
++ if (atomic_inc_return(&port->count) == 1) {
+ atomic_inc(&rp_num_ports_open);
+
+ #ifdef ROCKET_DEBUG_OPEN
+@@ -933,7 +933,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
+ #endif
+ }
+ #ifdef ROCKET_DEBUG_OPEN
+- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count);
++ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic-read(&info->port.count));
+ #endif
+
+ /*
+@@ -1528,7 +1528,7 @@ static void rp_hangup(struct tty_struct *tty)
+ spin_unlock_irqrestore(&info->port.lock, flags);
+ return;
+ }
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ atomic_dec(&rp_num_ports_open);
+ clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
+ spin_unlock_irqrestore(&info->port.lock, flags);
+diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
+index 2b42a01..32a2ed3 100644
+--- a/drivers/tty/serial/kgdboc.c
++++ b/drivers/tty/serial/kgdboc.c
+@@ -24,8 +24,9 @@
+ #define MAX_CONFIG_LEN 40
+
+ static struct kgdb_io kgdboc_io_ops;
++static struct kgdb_io kgdboc_io_ops_console;
+
+-/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */
++/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */
+ static int configured = -1;
+
+ static char config[MAX_CONFIG_LEN];
+@@ -148,6 +149,8 @@ static void cleanup_kgdboc(void)
+ kgdboc_unregister_kbd();
+ if (configured == 1)
+ kgdb_unregister_io_module(&kgdboc_io_ops);
++ else if (configured == 2)
++ kgdb_unregister_io_module(&kgdboc_io_ops_console);
+ }
+
+ static int configure_kgdboc(void)
+@@ -157,13 +160,13 @@ static int configure_kgdboc(void)
+ int err;
+ char *cptr = config;
+ struct console *cons;
++ int is_console = 0;
+
+ err = kgdboc_option_setup(config);
+ if (err || !strlen(config) || isspace(config[0]))
+ goto noconfig;
+
+ err = -ENODEV;
+- kgdboc_io_ops.is_console = 0;
+ kgdb_tty_driver = NULL;
+
+ kgdboc_use_kms = 0;
+@@ -184,7 +187,7 @@ static int configure_kgdboc(void)
+ int idx;
+ if (cons->device && cons->device(cons, &idx) == p &&
+ idx == tty_line) {
+- kgdboc_io_ops.is_console = 1;
++ is_console = 1;
+ break;
+ }
+ cons = cons->next;
+@@ -194,12 +197,16 @@ static int configure_kgdboc(void)
+ kgdb_tty_line = tty_line;
+
+ do_register:
+- err = kgdb_register_io_module(&kgdboc_io_ops);
++ if (is_console) {
++ err = kgdb_register_io_module(&kgdboc_io_ops_console);
++ configured = 2;
++ } else {
++ err = kgdb_register_io_module(&kgdboc_io_ops);
++ configured = 1;
++ }
+ if (err)
+ goto noconfig;
+
+- configured = 1;
+-
+ return 0;
+
+ noconfig:
+@@ -213,7 +220,7 @@ noconfig:
+ static int __init init_kgdboc(void)
+ {
+ /* Already configured? */
+- if (configured == 1)
++ if (configured >= 1)
+ return 0;
+
+ return configure_kgdboc();
+@@ -262,7 +269,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
+ if (config[len - 1] == '\n')
+ config[len - 1] = '\0';
+
+- if (configured == 1)
++ if (configured >= 1)
+ cleanup_kgdboc();
+
+ /* Go and configure with the new params. */
+@@ -302,6 +309,15 @@ static struct kgdb_io kgdboc_io_ops = {
+ .post_exception = kgdboc_post_exp_handler,
+ };
+
++static struct kgdb_io kgdboc_io_ops_console = {
++ .name = "kgdboc",
++ .read_char = kgdboc_get_char,
++ .write_char = kgdboc_put_char,
++ .pre_exception = kgdboc_pre_exp_handler,
++ .post_exception = kgdboc_post_exp_handler,
++ .is_console = 1
++};
++
+ #ifdef CONFIG_KGDB_SERIAL_CONSOLE
+ /* This is only available if kgdboc is a built in for early debugging */
+ static int __init kgdboc_early_init(char *opt)
+diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
+index a21dc8e..fe43e9e 100644
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -1392,7 +1392,7 @@ static void uart_hangup(struct tty_struct *tty)
+ uart_flush_buffer(tty);
+ uart_shutdown(tty, state);
+ spin_lock_irqsave(&port->lock, flags);
+- port->count = 0;
++ atomic_set(&port->count, 0);
+ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
+ spin_unlock_irqrestore(&port->lock, flags);
+ tty_port_tty_set(port, NULL);
+@@ -1488,7 +1488,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
+ goto end;
+ }
+
+- port->count++;
++ atomic_inc(&port->count);
+ if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
+ retval = -ENXIO;
+ goto err_dec_count;
+@@ -1515,7 +1515,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
+ /*
+ * Make sure the device is in D0 state.
+ */
+- if (port->count == 1)
++ if (atomic_read(&port->count) == 1)
+ uart_change_pm(state, 0);
+
+ /*
+@@ -1533,7 +1533,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
+ end:
+ return retval;
+ err_dec_count:
+- port->count--;
++ atomic_inc(&port->count);
+ mutex_unlock(&port->mutex);
+ goto end;
+ }
+diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
+index 593d40a..bdc61f3 100644
+--- a/drivers/tty/synclink.c
++++ b/drivers/tty/synclink.c
+@@ -3095,7 +3095,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgsl_close(%s) entry, count=%d\n",
+- __FILE__,__LINE__, info->device_name, info->port.count);
++ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
+
+ if (tty_port_close_start(&info->port, tty, filp) == 0)
+ goto cleanup;
+@@ -3113,7 +3113,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
+ cleanup:
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__,
+- tty->driver->name, info->port.count);
++ tty->driver->name, atomic_read(&info->port.count));
+
+ } /* end of mgsl_close() */
+
+@@ -3212,8 +3212,8 @@ static void mgsl_hangup(struct tty_struct *tty)
+
+ mgsl_flush_buffer(tty);
+ shutdown(info);
+-
+- info->port.count = 0;
++
++ atomic_set(&info->port.count, 0);
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ info->port.tty = NULL;
+
+@@ -3302,12 +3302,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):block_til_ready before block on %s count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ spin_lock_irqsave(&info->irq_spinlock, flags);
+ if (!tty_hung_up_p(filp)) {
+ extra_count = true;
+- port->count--;
++ atomic_dec(&port->count);
+ }
+ spin_unlock_irqrestore(&info->irq_spinlock, flags);
+ port->blocked_open++;
+@@ -3336,7 +3336,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):block_til_ready blocking on %s count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ tty_unlock();
+ schedule();
+@@ -3348,12 +3348,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
+
+ /* FIXME: Racy on hangup during close wait */
+ if (extra_count)
+- port->count++;
++ atomic_inc(&port->count);
+ port->blocked_open--;
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):block_til_ready after blocking on %s count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ if (!retval)
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+@@ -3398,7 +3398,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):mgsl_open(%s), old ref count = %d\n",
+- __FILE__,__LINE__,tty->driver->name, info->port.count);
++ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
+
+ /* If port is closing, signal caller to try again */
+ if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
+@@ -3417,10 +3417,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
+ spin_unlock_irqrestore(&info->netlock, flags);
+ goto cleanup;
+ }
+- info->port.count++;
++ atomic_inc(&info->port.count);
+ spin_unlock_irqrestore(&info->netlock, flags);
+
+- if (info->port.count == 1) {
++ if (atomic_read(&info->port.count) == 1) {
+ /* 1st open on this device, init hardware */
+ retval = startup(info);
+ if (retval < 0)
+@@ -3444,8 +3444,8 @@ cleanup:
+ if (retval) {
+ if (tty->count == 1)
+ info->port.tty = NULL; /* tty layer will release tty struct */
+- if(info->port.count)
+- info->port.count--;
++ if (atomic_read(&info->port.count))
++ atomic_dec(&info->port.count);
+ }
+
+ return retval;
+@@ -7653,7 +7653,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
+ unsigned short new_crctype;
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ switch (encoding)
+@@ -7748,7 +7748,7 @@ static int hdlcdev_open(struct net_device *dev)
+
+ /* arbitrate between network and tty opens */
+ spin_lock_irqsave(&info->netlock, flags);
+- if (info->port.count != 0 || info->netcount != 0) {
++ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
+ printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
+ spin_unlock_irqrestore(&info->netlock, flags);
+ return -EBUSY;
+@@ -7834,7 +7834,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ if (cmd != SIOCWANDEV)
+diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
+index aa1debf..9297a16 100644
+--- a/drivers/tty/synclink_gt.c
++++ b/drivers/tty/synclink_gt.c
+@@ -671,7 +671,7 @@ static int open(struct tty_struct *tty, struct file *filp)
+ tty->driver_data = info;
+ info->port.tty = tty;
+
+- DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count));
++ DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count)));
+
+ /* If port is closing, signal caller to try again */
+ if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
+@@ -692,10 +692,10 @@ static int open(struct tty_struct *tty, struct file *filp)
+ mutex_unlock(&info->port.mutex);
+ goto cleanup;
+ }
+- info->port.count++;
++ atomic_inc(&info->port.count);
+ spin_unlock_irqrestore(&info->netlock, flags);
+
+- if (info->port.count == 1) {
++ if (atomic_read(&info->port.count) == 1) {
+ /* 1st open on this device, init hardware */
+ retval = startup(info);
+ if (retval < 0) {
+@@ -716,8 +716,8 @@ cleanup:
+ if (retval) {
+ if (tty->count == 1)
+ info->port.tty = NULL; /* tty layer will release tty struct */
+- if(info->port.count)
+- info->port.count--;
++ if(atomic_read(&info->port.count))
++ atomic_dec(&info->port.count);
+ }
+
+ DBGINFO(("%s open rc=%d\n", info->device_name, retval));
+@@ -730,7 +730,7 @@ static void close(struct tty_struct *tty, struct file *filp)
+
+ if (sanity_check(info, tty->name, "close"))
+ return;
+- DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count));
++ DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count)));
+
+ if (tty_port_close_start(&info->port, tty, filp) == 0)
+ goto cleanup;
+@@ -747,7 +747,7 @@ static void close(struct tty_struct *tty, struct file *filp)
+ tty_port_close_end(&info->port, tty);
+ info->port.tty = NULL;
+ cleanup:
+- DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count));
++ DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count)));
+ }
+
+ static void hangup(struct tty_struct *tty)
+@@ -765,7 +765,7 @@ static void hangup(struct tty_struct *tty)
+ shutdown(info);
+
+ spin_lock_irqsave(&info->port.lock, flags);
+- info->port.count = 0;
++ atomic_set(&info->port.count, 0);
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ info->port.tty = NULL;
+ spin_unlock_irqrestore(&info->port.lock, flags);
+@@ -1450,7 +1450,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
+ unsigned short new_crctype;
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ DBGINFO(("%s hdlcdev_attach\n", info->device_name));
+@@ -1545,7 +1545,7 @@ static int hdlcdev_open(struct net_device *dev)
+
+ /* arbitrate between network and tty opens */
+ spin_lock_irqsave(&info->netlock, flags);
+- if (info->port.count != 0 || info->netcount != 0) {
++ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
+ DBGINFO(("%s hdlc_open busy\n", dev->name));
+ spin_unlock_irqrestore(&info->netlock, flags);
+ return -EBUSY;
+@@ -1630,7 +1630,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ DBGINFO(("%s hdlcdev_ioctl\n", dev->name));
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ if (cmd != SIOCWANDEV)
+@@ -2419,7 +2419,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id)
+ if (port == NULL)
+ continue;
+ spin_lock(&port->lock);
+- if ((port->port.count || port->netcount) &&
++ if ((atomic_read(&port->port.count) || port->netcount) &&
+ port->pending_bh && !port->bh_running &&
+ !port->bh_requested) {
+ DBGISR(("%s bh queued\n", port->device_name));
+@@ -3308,7 +3308,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
+ spin_lock_irqsave(&info->lock, flags);
+ if (!tty_hung_up_p(filp)) {
+ extra_count = true;
+- port->count--;
++ atomic_dec(&port->count);
+ }
+ spin_unlock_irqrestore(&info->lock, flags);
+ port->blocked_open++;
+@@ -3345,7 +3345,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
+ remove_wait_queue(&port->open_wait, &wait);
+
+ if (extra_count)
+- port->count++;
++ atomic_inc(&port->count);
+ port->blocked_open--;
+
+ if (!retval)
+diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
+index a3dddc1..8905ab2 100644
+--- a/drivers/tty/synclinkmp.c
++++ b/drivers/tty/synclinkmp.c
+@@ -742,7 +742,7 @@ static int open(struct tty_struct *tty, struct file *filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s open(), old ref count = %d\n",
+- __FILE__,__LINE__,tty->driver->name, info->port.count);
++ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
+
+ /* If port is closing, signal caller to try again */
+ if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
+@@ -761,10 +761,10 @@ static int open(struct tty_struct *tty, struct file *filp)
+ spin_unlock_irqrestore(&info->netlock, flags);
+ goto cleanup;
+ }
+- info->port.count++;
++ atomic_inc(&info->port.count);
+ spin_unlock_irqrestore(&info->netlock, flags);
+
+- if (info->port.count == 1) {
++ if (atomic_read(&info->port.count) == 1) {
+ /* 1st open on this device, init hardware */
+ retval = startup(info);
+ if (retval < 0)
+@@ -788,8 +788,8 @@ cleanup:
+ if (retval) {
+ if (tty->count == 1)
+ info->port.tty = NULL; /* tty layer will release tty struct */
+- if(info->port.count)
+- info->port.count--;
++ if(atomic_read(&info->port.count))
++ atomic_dec(&info->port.count);
+ }
+
+ return retval;
+@@ -807,7 +807,7 @@ static void close(struct tty_struct *tty, struct file *filp)
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s close() entry, count=%d\n",
+- __FILE__,__LINE__, info->device_name, info->port.count);
++ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
+
+ if (tty_port_close_start(&info->port, tty, filp) == 0)
+ goto cleanup;
+@@ -826,7 +826,7 @@ static void close(struct tty_struct *tty, struct file *filp)
+ cleanup:
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
+- tty->driver->name, info->port.count);
++ tty->driver->name, atomic_read(&info->port.count));
+ }
+
+ /* Called by tty_hangup() when a hangup is signaled.
+@@ -849,7 +849,7 @@ static void hangup(struct tty_struct *tty)
+ shutdown(info);
+
+ spin_lock_irqsave(&info->port.lock, flags);
+- info->port.count = 0;
++ atomic_set(&info->port.count, 0);
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ info->port.tty = NULL;
+ spin_unlock_irqrestore(&info->port.lock, flags);
+@@ -1557,7 +1557,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
+ unsigned short new_crctype;
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ switch (encoding)
+@@ -1652,7 +1652,7 @@ static int hdlcdev_open(struct net_device *dev)
+
+ /* arbitrate between network and tty opens */
+ spin_lock_irqsave(&info->netlock, flags);
+- if (info->port.count != 0 || info->netcount != 0) {
++ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
+ printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
+ spin_unlock_irqrestore(&info->netlock, flags);
+ return -EBUSY;
+@@ -1738,7 +1738,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
+
+ /* return error if TTY interface open */
+- if (info->port.count)
++ if (atomic_read(&info->port.count))
+ return -EBUSY;
+
+ if (cmd != SIOCWANDEV)
+@@ -2623,7 +2623,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id)
+ * do not request bottom half processing if the
+ * device is not open in a normal mode.
+ */
+- if ( port && (port->port.count || port->netcount) &&
++ if ( port && (atomic_read(&port->port.count) || port->netcount) &&
+ port->pending_bh && !port->bh_running &&
+ !port->bh_requested ) {
+ if ( debug_level >= DEBUG_LEVEL_ISR )
+@@ -3321,12 +3321,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s block_til_ready() before block, count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ spin_lock_irqsave(&info->lock, flags);
+ if (!tty_hung_up_p(filp)) {
+ extra_count = true;
+- port->count--;
++ atomic_dec(&port->count);
+ }
+ spin_unlock_irqrestore(&info->lock, flags);
+ port->blocked_open++;
+@@ -3355,7 +3355,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s block_til_ready() count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ tty_unlock();
+ schedule();
+@@ -3366,12 +3366,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
+ remove_wait_queue(&port->open_wait, &wait);
+
+ if (extra_count)
+- port->count++;
++ atomic_inc(&port->count);
+ port->blocked_open--;
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):%s block_til_ready() after, count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, port->count );
++ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
+
+ if (!retval)
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
+index 05728894..b9d44c6 100644
+--- a/drivers/tty/sysrq.c
++++ b/drivers/tty/sysrq.c
+@@ -865,7 +865,7 @@ EXPORT_SYMBOL(unregister_sysrq_key);
+ static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+ {
+- if (count) {
++ if (count && capable(CAP_SYS_ADMIN)) {
+ char c;
+
+ if (get_user(c, buf))
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
+index b425c79..08a3f06 100644
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -3283,7 +3283,7 @@ EXPORT_SYMBOL_GPL(get_current_tty);
+
+ void tty_default_fops(struct file_operations *fops)
+ {
+- *fops = tty_fops;
++ memcpy((void *)fops, &tty_fops, sizeof(tty_fops));
+ }
+
+ /*
+diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
+index 6f99c99..8947bc4 100644
+--- a/drivers/tty/tty_ldisc.c
++++ b/drivers/tty/tty_ldisc.c
+@@ -56,7 +56,7 @@ static void put_ldisc(struct tty_ldisc *ld)
+ if (atomic_dec_and_lock(&ld->users, &tty_ldisc_lock)) {
+ struct tty_ldisc_ops *ldo = ld->ops;
+
+- ldo->refcount--;
++ atomic_dec(&ldo->refcount);
+ module_put(ldo->owner);
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+
+@@ -91,7 +91,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)
+ spin_lock_irqsave(&tty_ldisc_lock, flags);
+ tty_ldiscs[disc] = new_ldisc;
+ new_ldisc->num = disc;
+- new_ldisc->refcount = 0;
++ atomic_set(&new_ldisc->refcount, 0);
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+
+ return ret;
+@@ -119,7 +119,7 @@ int tty_unregister_ldisc(int disc)
+ return -EINVAL;
+
+ spin_lock_irqsave(&tty_ldisc_lock, flags);
+- if (tty_ldiscs[disc]->refcount)
++ if (atomic_read(&tty_ldiscs[disc]->refcount))
+ ret = -EBUSY;
+ else
+ tty_ldiscs[disc] = NULL;
+@@ -140,7 +140,7 @@ static struct tty_ldisc_ops *get_ldops(int disc)
+ if (ldops) {
+ ret = ERR_PTR(-EAGAIN);
+ if (try_module_get(ldops->owner)) {
+- ldops->refcount++;
++ atomic_inc(&ldops->refcount);
+ ret = ldops;
+ }
+ }
+@@ -153,7 +153,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
+ unsigned long flags;
+
+ spin_lock_irqsave(&tty_ldisc_lock, flags);
+- ldops->refcount--;
++ atomic_dec(&ldops->refcount);
+ module_put(ldops->owner);
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+ }
+diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
+index bf6e238..d401c04 100644
+--- a/drivers/tty/tty_port.c
++++ b/drivers/tty/tty_port.c
+@@ -138,7 +138,7 @@ void tty_port_hangup(struct tty_port *port)
+ unsigned long flags;
+
+ spin_lock_irqsave(&port->lock, flags);
+- port->count = 0;
++ atomic_set(&port->count, 0);
+ port->flags &= ~ASYNC_NORMAL_ACTIVE;
+ if (port->tty) {
+ set_bit(TTY_IO_ERROR, &port->tty->flags);
+@@ -264,7 +264,7 @@ int tty_port_block_til_ready(struct tty_port *port,
+ /* The port lock protects the port counts */
+ spin_lock_irqsave(&port->lock, flags);
+ if (!tty_hung_up_p(filp))
+- port->count--;
++ atomic_dec(&port->count);
+ port->blocked_open++;
+ spin_unlock_irqrestore(&port->lock, flags);
+
+@@ -306,7 +306,7 @@ int tty_port_block_til_ready(struct tty_port *port,
+ we must not mess that up further */
+ spin_lock_irqsave(&port->lock, flags);
+ if (!tty_hung_up_p(filp))
+- port->count++;
++ atomic_inc(&port->count);
+ port->blocked_open--;
+ if (retval == 0)
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+@@ -326,19 +326,19 @@ int tty_port_close_start(struct tty_port *port,
+ return 0;
+ }
+
+- if (tty->count == 1 && port->count != 1) {
++ if (tty->count == 1 && atomic_read(&port->count) != 1) {
+ printk(KERN_WARNING
+ "tty_port_close_start: tty->count = 1 port count = %d.\n",
+- port->count);
+- port->count = 1;
++ atomic_read(&port->count));
++ atomic_set(&port->count, 1);
+ }
+- if (--port->count < 0) {
++ if (atomic_dec_return(&port->count) < 0) {
+ printk(KERN_WARNING "tty_port_close_start: count = %d\n",
+- port->count);
+- port->count = 0;
++ atomic_read(&port->count));
++ atomic_set(&port->count, 0);
+ }
+
+- if (port->count) {
++ if (atomic_read(&port->count)) {
+ spin_unlock_irqrestore(&port->lock, flags);
+ if (port->ops->drop)
+ port->ops->drop(port);
+@@ -418,7 +418,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty,
+ {
+ spin_lock_irq(&port->lock);
+ if (!tty_hung_up_p(filp))
+- ++port->count;
++ atomic_inc(&port->count);
+ spin_unlock_irq(&port->lock);
+ tty_port_tty_set(port, tty);
+
+diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
+index 770a854..e5d3db3 100644
+--- a/drivers/tty/vt/keyboard.c
++++ b/drivers/tty/vt/keyboard.c
+@@ -659,6 +659,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag)
+ kbd->kbdmode == VC_OFF) &&
+ value != KVAL(K_SAK))
+ return; /* SAK is allowed even in raw mode */
++
++#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
++ {
++ void *func = fn_handler[value];
++ if (func == fn_show_state || func == fn_show_ptregs ||
++ func == fn_show_mem)
++ return;
++ }
++#endif
++
+ fn_handler[value](vc);
+ }
+
+@@ -1805,9 +1815,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
+ if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry)))
+ return -EFAULT;
+
+- if (!capable(CAP_SYS_TTY_CONFIG))
+- perm = 0;
+-
+ switch (cmd) {
+ case KDGKBENT:
+ /* Ensure another thread doesn't free it under us */
+@@ -1822,6 +1829,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
+ spin_unlock_irqrestore(&kbd_event_lock, flags);
+ return put_user(val, &user_kbe->kb_value);
+ case KDSKBENT:
++ if (!capable(CAP_SYS_TTY_CONFIG))
++ perm = 0;
++
+ if (!perm)
+ return -EPERM;
+ if (!i && v == K_NOSUCHMAP) {
+@@ -1912,9 +1922,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
+ int i, j, k;
+ int ret;
+
+- if (!capable(CAP_SYS_TTY_CONFIG))
+- perm = 0;
+-
+ kbs = kmalloc(sizeof(*kbs), GFP_KERNEL);
+ if (!kbs) {
+ ret = -ENOMEM;
+@@ -1948,6 +1955,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
+ kfree(kbs);
+ return ((p && *p) ? -EOVERFLOW : 0);
+ case KDSKBSENT:
++ if (!capable(CAP_SYS_TTY_CONFIG))
++ perm = 0;
++
+ if (!perm) {
+ ret = -EPERM;
+ goto reterr;
+diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
+index a783d53..cb30d94 100644
+--- a/drivers/uio/uio.c
++++ b/drivers/uio/uio.c
+@@ -25,6 +25,7 @@
+ #include <linux/kobject.h>
+ #include <linux/cdev.h>
+ #include <linux/uio_driver.h>
++#include <asm/local.h>
+
+ #define UIO_MAX_DEVICES (1U << MINORBITS)
+
+@@ -32,10 +33,10 @@ struct uio_device {
+ struct module *owner;
+ struct device *dev;
+ int minor;
+- atomic_t event;
++ atomic_unchecked_t event;
+ struct fasync_struct *async_queue;
+ wait_queue_head_t wait;
+- int vma_count;
++ local_t vma_count;
+ struct uio_info *info;
+ struct kobject *map_dir;
+ struct kobject *portio_dir;
+@@ -242,7 +243,7 @@ static ssize_t show_event(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
+ struct uio_device *idev = dev_get_drvdata(dev);
+- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event));
++ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event));
+ }
+
+ static struct device_attribute uio_class_attributes[] = {
+@@ -408,7 +409,7 @@ void uio_event_notify(struct uio_info *info)
+ {
+ struct uio_device *idev = info->uio_dev;
+
+- atomic_inc(&idev->event);
++ atomic_inc_unchecked(&idev->event);
+ wake_up_interruptible(&idev->wait);
+ kill_fasync(&idev->async_queue, SIGIO, POLL_IN);
+ }
+@@ -461,7 +462,7 @@ static int uio_open(struct inode *inode, struct file *filep)
+ }
+
+ listener->dev = idev;
+- listener->event_count = atomic_read(&idev->event);
++ listener->event_count = atomic_read_unchecked(&idev->event);
+ filep->private_data = listener;
+
+ if (idev->info->open) {
+@@ -512,7 +513,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait)
+ return -EIO;
+
+ poll_wait(filep, &idev->wait, wait);
+- if (listener->event_count != atomic_read(&idev->event))
++ if (listener->event_count != atomic_read_unchecked(&idev->event))
+ return POLLIN | POLLRDNORM;
+ return 0;
+ }
+@@ -537,7 +538,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf,
+ do {
+ set_current_state(TASK_INTERRUPTIBLE);
+
+- event_count = atomic_read(&idev->event);
++ event_count = atomic_read_unchecked(&idev->event);
+ if (event_count != listener->event_count) {
+ if (copy_to_user(buf, &event_count, count))
+ retval = -EFAULT;
+@@ -606,13 +607,13 @@ static int uio_find_mem_index(struct vm_area_struct *vma)
+ static void uio_vma_open(struct vm_area_struct *vma)
+ {
+ struct uio_device *idev = vma->vm_private_data;
+- idev->vma_count++;
++ local_inc(&idev->vma_count);
+ }
+
+ static void uio_vma_close(struct vm_area_struct *vma)
+ {
+ struct uio_device *idev = vma->vm_private_data;
+- idev->vma_count--;
++ local_dec(&idev->vma_count);
+ }
+
+ static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+@@ -821,7 +822,7 @@ int __uio_register_device(struct module *owner,
+ idev->owner = owner;
+ idev->info = info;
+ init_waitqueue_head(&idev->wait);
+- atomic_set(&idev->event, 0);
++ atomic_set_unchecked(&idev->event, 0);
+
+ ret = uio_get_minor(idev);
+ if (ret)
+diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
+index b7eb86a..36d28af 100644
+--- a/drivers/usb/atm/cxacru.c
++++ b/drivers/usb/atm/cxacru.c
+@@ -473,7 +473,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
+ ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp);
+ if (ret < 2)
+ return -EINVAL;
+- if (index < 0 || index > 0x7f)
++ if (index > 0x7f)
+ return -EINVAL;
+ pos += tmp;
+
+diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
+index ee62b35..b663594 100644
+--- a/drivers/usb/atm/usbatm.c
++++ b/drivers/usb/atm/usbatm.c
+@@ -333,7 +333,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
+ if (printk_ratelimit())
+ atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n",
+ __func__, vpi, vci);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ return;
+ }
+
+@@ -361,7 +361,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
+ if (length > ATM_MAX_AAL5_PDU) {
+ atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n",
+ __func__, length, vcc);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto out;
+ }
+
+@@ -370,14 +370,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
+ if (sarb->len < pdu_length) {
+ atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n",
+ __func__, pdu_length, sarb->len, vcc);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto out;
+ }
+
+ if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) {
+ atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n",
+ __func__, vcc);
+- atomic_inc(&vcc->stats->rx_err);
++ atomic_inc_unchecked(&vcc->stats->rx_err);
+ goto out;
+ }
+
+@@ -387,7 +387,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
+ if (printk_ratelimit())
+ atm_err(instance, "%s: no memory for skb (length: %u)!\n",
+ __func__, length);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ goto out;
+ }
+
+@@ -412,7 +412,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
+
+ vcc->push(vcc, skb);
+
+- atomic_inc(&vcc->stats->rx);
++ atomic_inc_unchecked(&vcc->stats->rx);
+ out:
+ skb_trim(sarb, 0);
+ }
+@@ -615,7 +615,7 @@ static void usbatm_tx_process(unsigned long data)
+ struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc;
+
+ usbatm_pop(vcc, skb);
+- atomic_inc(&vcc->stats->tx);
++ atomic_inc_unchecked(&vcc->stats->tx);
+
+ skb = skb_dequeue(&instance->sndqueue);
+ }
+@@ -770,11 +770,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t * pos, char *pag
+ if (!left--)
+ return sprintf(page,
+ "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n",
+- atomic_read(&atm_dev->stats.aal5.tx),
+- atomic_read(&atm_dev->stats.aal5.tx_err),
+- atomic_read(&atm_dev->stats.aal5.rx),
+- atomic_read(&atm_dev->stats.aal5.rx_err),
+- atomic_read(&atm_dev->stats.aal5.rx_drop));
++ atomic_read_unchecked(&atm_dev->stats.aal5.tx),
++ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err),
++ atomic_read_unchecked(&atm_dev->stats.aal5.rx),
++ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err),
++ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop));
+
+ if (!left--) {
+ if (instance->disconnected)
+diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
+index 3440812..2a4ef1f 100644
+--- a/drivers/usb/core/devices.c
++++ b/drivers/usb/core/devices.c
+@@ -126,7 +126,7 @@ static const char format_endpt[] =
+ * time it gets called.
+ */
+ static struct device_connect_event {
+- atomic_t count;
++ atomic_unchecked_t count;
+ wait_queue_head_t wait;
+ } device_event = {
+ .count = ATOMIC_INIT(1),
+@@ -164,7 +164,7 @@ static const struct class_info clas_info[] = {
+
+ void usbfs_conn_disc_event(void)
+ {
+- atomic_add(2, &device_event.count);
++ atomic_add_unchecked(2, &device_event.count);
+ wake_up(&device_event.wait);
+ }
+
+@@ -648,7 +648,7 @@ static unsigned int usb_device_poll(struct file *file,
+
+ poll_wait(file, &device_event.wait, wait);
+
+- event_count = atomic_read(&device_event.count);
++ event_count = atomic_read_unchecked(&device_event.count);
+ if (file->f_version != event_count) {
+ file->f_version = event_count;
+ return POLLIN | POLLRDNORM;
+diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
+index 89dcf15..481800b 100644
+--- a/drivers/usb/early/ehci-dbgp.c
++++ b/drivers/usb/early/ehci-dbgp.c
+@@ -97,7 +97,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len)
+
+ #ifdef CONFIG_KGDB
+ static struct kgdb_io kgdbdbgp_io_ops;
+-#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops)
++static struct kgdb_io kgdbdbgp_io_ops_console;
++#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console)
+ #else
+ #define dbgp_kgdb_mode (0)
+ #endif
+@@ -1035,6 +1036,13 @@ static struct kgdb_io kgdbdbgp_io_ops = {
+ .write_char = kgdbdbgp_write_char,
+ };
+
++static struct kgdb_io kgdbdbgp_io_ops_console = {
++ .name = "kgdbdbgp",
++ .read_char = kgdbdbgp_read_char,
++ .write_char = kgdbdbgp_write_char,
++ .is_console = 1
++};
++
+ static int kgdbdbgp_wait_time;
+
+ static int __init kgdbdbgp_parse_config(char *str)
+@@ -1050,8 +1058,10 @@ static int __init kgdbdbgp_parse_config(char *str)
+ ptr++;
+ kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10);
+ }
+- kgdb_register_io_module(&kgdbdbgp_io_ops);
+- kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1;
++ if (early_dbgp_console.index != -1)
++ kgdb_register_io_module(&kgdbdbgp_io_ops_console);
++ else
++ kgdb_register_io_module(&kgdbdbgp_io_ops);
+
+ return 0;
+ }
+diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
+index da6d479..80ed10b 100644
+--- a/drivers/usb/gadget/u_serial.c
++++ b/drivers/usb/gadget/u_serial.c
+@@ -735,9 +735,9 @@ static int gs_open(struct tty_struct *tty, struct file *file)
+ spin_lock_irq(&port->port_lock);
+
+ /* already open? Great. */
+- if (port->port.count) {
++ if (atomic_read(&port->port.count)) {
+ status = 0;
+- port->port.count++;
++ atomic_inc(&port->port.count);
+
+ /* currently opening/closing? wait ... */
+ } else if (port->openclose) {
+@@ -796,7 +796,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
+ tty->driver_data = port;
+ port->port.tty = tty;
+
+- port->port.count = 1;
++ atomic_set(&port->port.count, 1);
+ port->openclose = false;
+
+ /* if connected, start the I/O stream */
+@@ -838,11 +838,11 @@ static void gs_close(struct tty_struct *tty, struct file *file)
+
+ spin_lock_irq(&port->port_lock);
+
+- if (port->port.count != 1) {
+- if (port->port.count == 0)
++ if (atomic_read(&port->port.count) != 1) {
++ if (atomic_read(&port->port.count) == 0)
+ WARN_ON(1);
+ else
+- --port->port.count;
++ atomic_dec(&port->port.count);
+ goto exit;
+ }
+
+@@ -852,7 +852,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
+ * and sleep if necessary
+ */
+ port->openclose = true;
+- port->port.count = 0;
++ atomic_set(&port->port.count, 0);
+
+ gser = port->port_usb;
+ if (gser && gser->disconnect)
+@@ -1156,7 +1156,7 @@ static int gs_closed(struct gs_port *port)
+ int cond;
+
+ spin_lock_irq(&port->port_lock);
+- cond = (port->port.count == 0) && !port->openclose;
++ cond = (atomic_read(&port->port.count) == 0) && !port->openclose;
+ spin_unlock_irq(&port->port_lock);
+ return cond;
+ }
+@@ -1269,7 +1269,7 @@ int gserial_connect(struct gserial *gser, u8 port_num)
+ /* if it's already open, start I/O ... and notify the serial
+ * protocol about open/close status (connect/disconnect).
+ */
+- if (port->port.count) {
++ if (atomic_read(&port->port.count)) {
+ pr_debug("gserial_connect: start ttyGS%d\n", port->port_num);
+ gs_start_io(port);
+ if (gser->connect)
+@@ -1316,7 +1316,7 @@ void gserial_disconnect(struct gserial *gser)
+
+ port->port_usb = NULL;
+ gser->ioport = NULL;
+- if (port->port.count > 0 || port->openclose) {
++ if (atomic_read(&port->port.count) > 0 || port->openclose) {
+ wake_up_interruptible(&port->drain_wait);
+ if (port->port.tty)
+ tty_hangup(port->port.tty);
+@@ -1332,7 +1332,7 @@ void gserial_disconnect(struct gserial *gser)
+
+ /* finally, free any unused/unusable I/O buffers */
+ spin_lock_irqsave(&port->port_lock, flags);
+- if (port->port.count == 0 && !port->openclose)
++ if (atomic_read(&port->port.count) == 0 && !port->openclose)
+ gs_buf_free(&port->port_write_buf);
+ gs_free_requests(gser->out, &port->read_pool, NULL);
+ gs_free_requests(gser->out, &port->read_queue, NULL);
+diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
+index b9cca6d..75c75df 100644
+--- a/drivers/usb/serial/console.c
++++ b/drivers/usb/serial/console.c
+@@ -127,7 +127,7 @@ static int usb_console_setup(struct console *co, char *options)
+
+ info->port = port;
+
+- ++port->port.count;
++ atomic_inc(&port->port.count);
+ if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) {
+ if (serial->type->set_termios) {
+ /*
+@@ -177,7 +177,7 @@ static int usb_console_setup(struct console *co, char *options)
+ }
+ /* Now that any required fake tty operations are completed restore
+ * the tty port count */
+- --port->port.count;
++ atomic_dec(&port->port.count);
+ /* The console is special in terms of closing the device so
+ * indicate this port is now acting as a system console. */
+ port->port.console = 1;
+@@ -190,7 +190,7 @@ static int usb_console_setup(struct console *co, char *options)
+ free_tty:
+ kfree(tty);
+ reset_open_count:
+- port->port.count = 0;
++ atomic_set(&port->port.count, 0);
+ usb_autopm_put_interface(serial->interface);
+ error_get_interface:
+ usb_serial_put(serial);
+diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h
+index d6bea3e..60b250e 100644
+--- a/drivers/usb/wusbcore/wa-hc.h
++++ b/drivers/usb/wusbcore/wa-hc.h
+@@ -192,7 +192,7 @@ struct wahc {
+ struct list_head xfer_delayed_list;
+ spinlock_t xfer_list_lock;
+ struct work_struct xfer_work;
+- atomic_t xfer_id_count;
++ atomic_unchecked_t xfer_id_count;
+ };
+
+
+@@ -246,7 +246,7 @@ static inline void wa_init(struct wahc *wa)
+ INIT_LIST_HEAD(&wa->xfer_delayed_list);
+ spin_lock_init(&wa->xfer_list_lock);
+ INIT_WORK(&wa->xfer_work, wa_urb_enqueue_run);
+- atomic_set(&wa->xfer_id_count, 1);
++ atomic_set_unchecked(&wa->xfer_id_count, 1);
+ }
+
+ /**
+diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
+index 57c01ab..8a05959 100644
+--- a/drivers/usb/wusbcore/wa-xfer.c
++++ b/drivers/usb/wusbcore/wa-xfer.c
+@@ -296,7 +296,7 @@ out:
+ */
+ static void wa_xfer_id_init(struct wa_xfer *xfer)
+ {
+- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
++ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count);
+ }
+
+ /*
+diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
+index ef82a0d..da8a0b3 100644
+--- a/drivers/vhost/vhost.c
++++ b/drivers/vhost/vhost.c
+@@ -634,7 +634,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
+ return 0;
+ }
+
+-static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
++static long vhost_set_vring(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
+ {
+ struct file *eventfp, *filep = NULL,
+ *pollstart = NULL, *pollstop = NULL;
+diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
+index 747442d..7c0c434 100644
+--- a/drivers/video/aty/aty128fb.c
++++ b/drivers/video/aty/aty128fb.c
+@@ -149,7 +149,7 @@ enum {
+ };
+
+ /* Must match above enum */
+-static const char *r128_family[] __devinitdata = {
++static const char *r128_family[] __devinitconst = {
+ "AGP",
+ "PCI",
+ "PRO AGP",
+diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
+index 5c3960d..15cf8fc 100644
+--- a/drivers/video/fbcmap.c
++++ b/drivers/video/fbcmap.c
+@@ -285,8 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
+ rc = -ENODEV;
+ goto out;
+ }
+- if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
+- !info->fbops->fb_setcmap)) {
++ if (!info->fbops->fb_setcolreg && !info->fbops->fb_setcmap) {
+ rc = -EINVAL;
+ goto out1;
+ }
+diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
+index 0dff12a..2ef47b3 100644
+--- a/drivers/video/fbmem.c
++++ b/drivers/video/fbmem.c
+@@ -428,7 +428,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
+ image->dx += image->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_UD) {
+- for (x = 0; x < num && image->dx >= 0; x++) {
++ for (x = 0; x < num && (__s32)image->dx >= 0; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dx -= image->width + 8;
+ }
+@@ -440,7 +440,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
+ image->dy += image->height + 8;
+ }
+ } else if (rotate == FB_ROTATE_CCW) {
+- for (x = 0; x < num && image->dy >= 0; x++) {
++ for (x = 0; x < num && (__s32)image->dy >= 0; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dy -= image->height + 8;
+ }
+@@ -1166,7 +1166,7 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
+ return -EFAULT;
+ if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
+ return -EINVAL;
+- if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
++ if (con2fb.framebuffer >= FB_MAX)
+ return -EINVAL;
+ if (!registered_fb[con2fb.framebuffer])
+ request_module("fb%d", con2fb.framebuffer);
+diff --git a/drivers/video/geode/gx1fb_core.c b/drivers/video/geode/gx1fb_core.c
+index 5a5d092..265c5ed 100644
+--- a/drivers/video/geode/gx1fb_core.c
++++ b/drivers/video/geode/gx1fb_core.c
+@@ -29,7 +29,7 @@ static int crt_option = 1;
+ static char panel_option[32] = "";
+
+ /* Modes relevant to the GX1 (taken from modedb.c) */
+-static const struct fb_videomode __devinitdata gx1_modedb[] = {
++static const struct fb_videomode __devinitconst gx1_modedb[] = {
+ /* 640x480-60 VESA */
+ { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+diff --git a/drivers/video/gxt4500.c b/drivers/video/gxt4500.c
+index 0fad23f..0e9afa4 100644
+--- a/drivers/video/gxt4500.c
++++ b/drivers/video/gxt4500.c
+@@ -156,7 +156,7 @@ struct gxt4500_par {
+ static char *mode_option;
+
+ /* default mode: 1280x1024 @ 60 Hz, 8 bpp */
+-static const struct fb_videomode defaultmode __devinitdata = {
++static const struct fb_videomode defaultmode __devinitconst = {
+ .refresh = 60,
+ .xres = 1280,
+ .yres = 1024,
+@@ -581,7 +581,7 @@ static int gxt4500_blank(int blank, struct fb_info *info)
+ return 0;
+ }
+
+-static const struct fb_fix_screeninfo gxt4500_fix __devinitdata = {
++static const struct fb_fix_screeninfo gxt4500_fix __devinitconst = {
+ .id = "IBM GXT4500P",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_PSEUDOCOLOR,
+diff --git a/drivers/video/i810/i810_accel.c b/drivers/video/i810/i810_accel.c
+index 7672d2e..b56437f 100644
+--- a/drivers/video/i810/i810_accel.c
++++ b/drivers/video/i810/i810_accel.c
+@@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space)
+ }
+ }
+ printk("ringbuffer lockup!!!\n");
++ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space);
+ i810_report_error(mmio);
+ par->dev_flags |= LOCKUP;
+ info->pixmap.scan_align = 1;
+diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
+index b83f361..2b05a91 100644
+--- a/drivers/video/i810/i810_main.c
++++ b/drivers/video/i810/i810_main.c
+@@ -97,7 +97,7 @@ static int i810fb_blank (int blank_mode, struct fb_info *info);
+ static void i810fb_release_resource (struct fb_info *info, struct i810fb_par *par);
+
+ /* PCI */
+-static const char *i810_pci_list[] __devinitdata = {
++static const char *i810_pci_list[] __devinitconst = {
+ "Intel(R) 810 Framebuffer Device" ,
+ "Intel(R) 810-DC100 Framebuffer Device" ,
+ "Intel(R) 810E Framebuffer Device" ,
+diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
+index de36693..3c63fc2 100644
+--- a/drivers/video/jz4740_fb.c
++++ b/drivers/video/jz4740_fb.c
+@@ -136,7 +136,7 @@ struct jzfb {
+ uint32_t pseudo_palette[16];
+ };
+
+-static const struct fb_fix_screeninfo jzfb_fix __devinitdata = {
++static const struct fb_fix_screeninfo jzfb_fix __devinitconst = {
+ .id = "JZ4740 FB",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm
+index 3c14e43..eafa544 100644
+--- a/drivers/video/logo/logo_linux_clut224.ppm
++++ b/drivers/video/logo/logo_linux_clut224.ppm
+@@ -1,1604 +1,1123 @@
+ P3
+-# Standard 224-color Linux logo
+ 80 80
+ 255
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 6 6 6 6 6 6 10 10 10 10 10 10
+- 10 10 10 6 6 6 6 6 6 6 6 6
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 0 0 0 0 0 0 0 0 0
+- 0 0 0 6 6 6 10 10 10 14 14 14
+- 22 22 22 26 26 26 30 30 30 34 34 34
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++6 6 6 125 124 125 174 174 174 220 221 221 220 221 221 193 200 203
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++4 0 0 4 0 0 26 28 28 125 124 125 174 174 174 193 200 203
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++6 6 6 4 0 0 4 0 0 6 6 6 37 38 37 125 124 125
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++24 26 27 24 26 27 6 6 6 6 6 6 6 6 6 4 0 0
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++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
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++4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 5 5 5
++5 5 5 5 5 5 4 0 0 6 6 6 4 0 0 6 6 6
++6 6 6 6 6 6 6 6 6 4 0 0 6 6 6 4 0 0
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++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5
++4 3 3 6 6 6 4 3 3 6 6 6 6 6 6 6 6 6
++4 0 0 6 6 6 4 0 0 6 6 6 6 6 6 6 6 6
++6 6 6 4 3 3 5 5 5 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 5 5 5 4 3 3 5 5 5 4 0 0 6 6 6
++6 6 6 4 0 0 6 6 6 6 6 6 4 0 0 6 6 6
++4 3 3 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 5 5 5 4 3 3 5 5 5 6 6 6 4 3 3
++4 3 3 6 6 6 6 6 6 4 3 3 6 6 6 4 3 3
++5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 6 6 6
++5 5 5 4 3 3 4 3 3 4 3 3 5 5 5 5 5 5
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 4 3 3
++5 5 5 4 3 3 5 5 5 5 5 5 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
++4 4 4 4 4 4
+diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
+index 38fcfff..0072dcd 100644
+--- a/drivers/video/udlfb.c
++++ b/drivers/video/udlfb.c
+@@ -620,11 +620,11 @@ int dlfb_handle_damage(struct dlfb_data *dev, int x, int y,
+ dlfb_urb_completion(urb);
+
+ error:
+- atomic_add(bytes_sent, &dev->bytes_sent);
+- atomic_add(bytes_identical, &dev->bytes_identical);
+- atomic_add(width*height*2, &dev->bytes_rendered);
++ atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
++ atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
++ atomic_add_unchecked(width*height*2, &dev->bytes_rendered);
+ end_cycles = get_cycles();
+- atomic_add(((unsigned int) ((end_cycles - start_cycles)
++ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
+ >> 10)), /* Kcycles */
+ &dev->cpu_kcycles_used);
+
+@@ -745,11 +745,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info,
+ dlfb_urb_completion(urb);
+
+ error:
+- atomic_add(bytes_sent, &dev->bytes_sent);
+- atomic_add(bytes_identical, &dev->bytes_identical);
+- atomic_add(bytes_rendered, &dev->bytes_rendered);
++ atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
++ atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
++ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered);
+ end_cycles = get_cycles();
+- atomic_add(((unsigned int) ((end_cycles - start_cycles)
++ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
+ >> 10)), /* Kcycles */
+ &dev->cpu_kcycles_used);
+ }
+@@ -1373,7 +1373,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev,
+ struct fb_info *fb_info = dev_get_drvdata(fbdev);
+ struct dlfb_data *dev = fb_info->par;
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+- atomic_read(&dev->bytes_rendered));
++ atomic_read_unchecked(&dev->bytes_rendered));
+ }
+
+ static ssize_t metrics_bytes_identical_show(struct device *fbdev,
+@@ -1381,7 +1381,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev,
+ struct fb_info *fb_info = dev_get_drvdata(fbdev);
+ struct dlfb_data *dev = fb_info->par;
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+- atomic_read(&dev->bytes_identical));
++ atomic_read_unchecked(&dev->bytes_identical));
+ }
+
+ static ssize_t metrics_bytes_sent_show(struct device *fbdev,
+@@ -1389,7 +1389,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev,
+ struct fb_info *fb_info = dev_get_drvdata(fbdev);
+ struct dlfb_data *dev = fb_info->par;
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+- atomic_read(&dev->bytes_sent));
++ atomic_read_unchecked(&dev->bytes_sent));
+ }
+
+ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
+@@ -1397,7 +1397,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
+ struct fb_info *fb_info = dev_get_drvdata(fbdev);
+ struct dlfb_data *dev = fb_info->par;
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+- atomic_read(&dev->cpu_kcycles_used));
++ atomic_read_unchecked(&dev->cpu_kcycles_used));
+ }
+
+ static ssize_t edid_show(
+@@ -1457,10 +1457,10 @@ static ssize_t metrics_reset_store(struct device *fbdev,
+ struct fb_info *fb_info = dev_get_drvdata(fbdev);
+ struct dlfb_data *dev = fb_info->par;
+
+- atomic_set(&dev->bytes_rendered, 0);
+- atomic_set(&dev->bytes_identical, 0);
+- atomic_set(&dev->bytes_sent, 0);
+- atomic_set(&dev->cpu_kcycles_used, 0);
++ atomic_set_unchecked(&dev->bytes_rendered, 0);
++ atomic_set_unchecked(&dev->bytes_identical, 0);
++ atomic_set_unchecked(&dev->bytes_sent, 0);
++ atomic_set_unchecked(&dev->cpu_kcycles_used, 0);
+
+ return count;
+ }
+diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
+index b0e2a42..e2df3ad 100644
+--- a/drivers/video/uvesafb.c
++++ b/drivers/video/uvesafb.c
+@@ -19,6 +19,7 @@
+ #include <linux/io.h>
+ #include <linux/mutex.h>
+ #include <linux/slab.h>
++#include <linux/moduleloader.h>
+ #include <video/edid.h>
+ #include <video/uvesafb.h>
+ #ifdef CONFIG_X86
+@@ -569,10 +570,32 @@ static int __devinit uvesafb_vbe_getpmi(struct uvesafb_ktask *task,
+ if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) {
+ par->pmi_setpal = par->ypan = 0;
+ } else {
++
++#ifdef CONFIG_PAX_KERNEXEC
++#ifdef CONFIG_MODULES
++ par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx);
++#endif
++ if (!par->pmi_code) {
++ par->pmi_setpal = par->ypan = 0;
++ return 0;
++ }
++#endif
++
+ par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4)
+ + task->t.regs.edi);
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ pax_open_kernel();
++ memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx);
++ pax_close_kernel();
++
++ par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]);
++ par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]);
++#else
+ par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1];
+ par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2];
++#endif
++
+ printk(KERN_INFO "uvesafb: protected mode interface info at "
+ "%04x:%04x\n",
+ (u16)task->t.regs.es, (u16)task->t.regs.edi);
+@@ -816,13 +839,14 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info)
+ par->ypan = ypan;
+
+ if (par->pmi_setpal || par->ypan) {
++#if !defined(CONFIG_MODULES) || !defined(CONFIG_PAX_KERNEXEC)
+ if (__supported_pte_mask & _PAGE_NX) {
+ par->pmi_setpal = par->ypan = 0;
+ printk(KERN_WARNING "uvesafb: NX protection is actively."
+ "We have better not to use the PMI.\n");
+- } else {
++ } else
++#endif
+ uvesafb_vbe_getpmi(task, par);
+- }
+ }
+ #else
+ /* The protected mode interface is not available on non-x86. */
+@@ -1836,6 +1860,11 @@ out:
+ if (par->vbe_modes)
+ kfree(par->vbe_modes);
+
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ if (par->pmi_code)
++ module_free_exec(NULL, par->pmi_code);
++#endif
++
+ framebuffer_release(info);
+ return err;
+ }
+@@ -1862,6 +1891,12 @@ static int uvesafb_remove(struct platform_device *dev)
+ kfree(par->vbe_state_orig);
+ if (par->vbe_state_saved)
+ kfree(par->vbe_state_saved);
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ if (par->pmi_code)
++ module_free_exec(NULL, par->pmi_code);
++#endif
++
+ }
+
+ framebuffer_release(info);
+diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
+index 501b340..86bd4cf 100644
+--- a/drivers/video/vesafb.c
++++ b/drivers/video/vesafb.c
+@@ -9,6 +9,7 @@
+ */
+
+ #include <linux/module.h>
++#include <linux/moduleloader.h>
+ #include <linux/kernel.h>
+ #include <linux/errno.h>
+ #include <linux/string.h>
+@@ -52,8 +53,8 @@ static int vram_remap __initdata; /* Set amount of memory to be used */
+ static int vram_total __initdata; /* Set total amount of memory */
+ static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */
+ static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */
+-static void (*pmi_start)(void) __read_mostly;
+-static void (*pmi_pal) (void) __read_mostly;
++static void (*pmi_start)(void) __read_only;
++static void (*pmi_pal) (void) __read_only;
+ static int depth __read_mostly;
+ static int vga_compat __read_mostly;
+ /* --------------------------------------------------------------------- */
+@@ -233,6 +234,7 @@ static int __init vesafb_probe(struct platform_device *dev)
+ unsigned int size_vmode;
+ unsigned int size_remap;
+ unsigned int size_total;
++ void *pmi_code = NULL;
+
+ if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB)
+ return -ENODEV;
+@@ -275,10 +277,6 @@ static int __init vesafb_probe(struct platform_device *dev)
+ size_remap = size_total;
+ vesafb_fix.smem_len = size_remap;
+
+-#ifndef __i386__
+- screen_info.vesapm_seg = 0;
+-#endif
+-
+ if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) {
+ printk(KERN_WARNING
+ "vesafb: cannot reserve video memory at 0x%lx\n",
+@@ -307,9 +305,21 @@ static int __init vesafb_probe(struct platform_device *dev)
+ printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
+ vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages);
+
++#ifdef __i386__
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ pmi_code = module_alloc_exec(screen_info.vesapm_size);
++ if (!pmi_code)
++#elif !defined(CONFIG_PAX_KERNEXEC)
++ if (0)
++#endif
++
++#endif
++ screen_info.vesapm_seg = 0;
++
+ if (screen_info.vesapm_seg) {
+- printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n",
+- screen_info.vesapm_seg,screen_info.vesapm_off);
++ printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n",
++ screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size);
+ }
+
+ if (screen_info.vesapm_seg < 0xc000)
+@@ -317,9 +327,25 @@ static int __init vesafb_probe(struct platform_device *dev)
+
+ if (ypan || pmi_setpal) {
+ unsigned short *pmi_base;
++
+ pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
+- pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
+- pmi_pal = (void*)((char*)pmi_base + pmi_base[2]);
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ pax_open_kernel();
++ memcpy(pmi_code, pmi_base, screen_info.vesapm_size);
++#else
++ pmi_code = pmi_base;
++#endif
++
++ pmi_start = (void*)((char*)pmi_code + pmi_base[1]);
++ pmi_pal = (void*)((char*)pmi_code + pmi_base[2]);
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ pmi_start = ktva_ktla(pmi_start);
++ pmi_pal = ktva_ktla(pmi_pal);
++ pax_close_kernel();
++#endif
++
+ printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal);
+ if (pmi_base[3]) {
+ printk(KERN_INFO "vesafb: pmi: ports = ");
+@@ -488,6 +514,11 @@ static int __init vesafb_probe(struct platform_device *dev)
+ info->node, info->fix.id);
+ return 0;
+ err:
++
++#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
++ module_free_exec(NULL, pmi_code);
++#endif
++
+ if (info->screen_base)
+ iounmap(info->screen_base);
+ framebuffer_release(info);
+diff --git a/drivers/video/via/via_clock.h b/drivers/video/via/via_clock.h
+index 88714ae..16c2e11 100644
+--- a/drivers/video/via/via_clock.h
++++ b/drivers/video/via/via_clock.h
+@@ -56,7 +56,7 @@ struct via_clock {
+
+ void (*set_engine_pll_state)(u8 state);
+ void (*set_engine_pll)(struct via_pll_config config);
+-};
++} __no_const;
+
+
+ static inline u32 get_pll_internal_frequency(u32 ref_freq,
+diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
+index 453db0c..604973e 100644
+--- a/drivers/virtio/virtio_mmio.c
++++ b/drivers/virtio/virtio_mmio.c
+@@ -521,7 +521,7 @@ static int vm_cmdline_set(const char *device,
+
+ resources[0].end = memparse(device, &str) - 1;
+
+- processed = sscanf(str, "@%lli:%u%n:%d%n",
++ processed = sscanf(str, "@%lli:%llu%n:%d%n",
+ &base, &resources[1].start, &consumed,
+ &vm_cmdline_id, &consumed);
+
+diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
+index e56c934..fc22f4b 100644
+--- a/drivers/xen/xen-pciback/conf_space.h
++++ b/drivers/xen/xen-pciback/conf_space.h
+@@ -44,15 +44,15 @@ struct config_field {
+ struct {
+ conf_dword_write write;
+ conf_dword_read read;
+- } dw;
++ } __no_const dw;
+ struct {
+ conf_word_write write;
+ conf_word_read read;
+- } w;
++ } __no_const w;
+ struct {
+ conf_byte_write write;
+ conf_byte_read read;
+- } b;
++ } __no_const b;
+ } u;
+ struct list_head list;
+ };
+diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
+index 89f7625..ac72702 100644
+--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
++++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
+@@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp,
+ goto out;
+
+ /* Can't write a xenbus message larger we can buffer */
+- if ((len + u->len) > sizeof(u->u.buffer)) {
++ if (len > sizeof(u->u.buffer) - u->len) {
+ /* On error, dump existing buffer */
+ u->len = 0;
+ rc = -EINVAL;
+diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c
+index fef20db..d28b1ab 100644
+--- a/drivers/xen/xenfs/xenstored.c
++++ b/drivers/xen/xenfs/xenstored.c
+@@ -24,7 +24,12 @@ static int xsd_release(struct inode *inode, struct file *file)
+ static int xsd_kva_open(struct inode *inode, struct file *file)
+ {
+ file->private_data = (void *)kasprintf(GFP_KERNEL, "0x%p",
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL);
++#else
+ xen_store_interface);
++#endif
++
+ if (!file->private_data)
+ return -ENOMEM;
+ return 0;
+diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
+index cbf9dbb..35c3af7 100644
+--- a/fs/9p/vfs_inode.c
++++ b/fs/9p/vfs_inode.c
+@@ -1329,7 +1329,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
+ void
+ v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
+ {
+- char *s = nd_get_link(nd);
++ const char *s = nd_get_link(nd);
+
+ p9_debug(P9_DEBUG_VFS, " %s %s\n",
+ dentry->d_name.name, IS_ERR(s) ? "<error>" : s);
+diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
+index 0225742..1cd4732 100644
+--- a/fs/Kconfig.binfmt
++++ b/fs/Kconfig.binfmt
+@@ -89,7 +89,7 @@ config HAVE_AOUT
+
+ config BINFMT_AOUT
+ tristate "Kernel support for a.out and ECOFF binaries"
+- depends on HAVE_AOUT
++ depends on HAVE_AOUT && BROKEN
+ ---help---
+ A.out (Assembler.OUTput) is a set of formats for libraries and
+ executables used in the earliest versions of UNIX. Linux used
+diff --git a/fs/aio.c b/fs/aio.c
+index 71f613c..9d01f1f 100644
+--- a/fs/aio.c
++++ b/fs/aio.c
+@@ -111,7 +111,7 @@ static int aio_setup_ring(struct kioctx *ctx)
+ size += sizeof(struct io_event) * nr_events;
+ nr_pages = (size + PAGE_SIZE-1) >> PAGE_SHIFT;
+
+- if (nr_pages < 0)
++ if (nr_pages <= 0)
+ return -EINVAL;
+
+ nr_events = (PAGE_SIZE * nr_pages - sizeof(struct aio_ring)) / sizeof(struct io_event);
+@@ -1373,18 +1373,19 @@ static ssize_t aio_fsync(struct kiocb *iocb)
+ static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat)
+ {
+ ssize_t ret;
++ struct iovec iovstack;
+
+ #ifdef CONFIG_COMPAT
+ if (compat)
+ ret = compat_rw_copy_check_uvector(type,
+ (struct compat_iovec __user *)kiocb->ki_buf,
+- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
++ kiocb->ki_nbytes, 1, &iovstack,
+ &kiocb->ki_iovec);
+ else
+ #endif
+ ret = rw_copy_check_uvector(type,
+ (struct iovec __user *)kiocb->ki_buf,
+- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec,
++ kiocb->ki_nbytes, 1, &iovstack,
+ &kiocb->ki_iovec);
+ if (ret < 0)
+ goto out;
+@@ -1393,6 +1394,10 @@ static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat)
+ if (ret < 0)
+ goto out;
+
++ if (kiocb->ki_iovec == &iovstack) {
++ kiocb->ki_inline_vec = iovstack;
++ kiocb->ki_iovec = &kiocb->ki_inline_vec;
++ }
+ kiocb->ki_nr_segs = kiocb->ki_nbytes;
+ kiocb->ki_cur_seg = 0;
+ /* ki_nbytes/left now reflect bytes instead of segs */
+diff --git a/fs/attr.c b/fs/attr.c
+index 29e38a1..2bc037b 100644
+--- a/fs/attr.c
++++ b/fs/attr.c
+@@ -99,6 +99,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset)
+ unsigned long limit;
+
+ limit = rlimit(RLIMIT_FSIZE);
++ gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1);
+ if (limit != RLIM_INFINITY && offset > limit)
+ goto out_sig;
+ if (offset > inode->i_sb->s_maxbytes)
+diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
+index da8876d..4456166 100644
+--- a/fs/autofs4/waitq.c
++++ b/fs/autofs4/waitq.c
+@@ -61,7 +61,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
+ {
+ unsigned long sigpipe, flags;
+ mm_segment_t fs;
+- const char *data = (const char *)addr;
++ const char __user *data = (const char __force_user *)addr;
+ ssize_t wr = 0;
+
+ sigpipe = sigismember(¤t->pending.signal, SIGPIPE);
+@@ -348,6 +348,10 @@ static int validate_request(struct autofs_wait_queue **wait,
+ return 1;
+ }
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++static atomic_unchecked_t autofs_dummy_name_id = ATOMIC_INIT(0);
++#endif
++
+ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
+ enum autofs_notify notify)
+ {
+@@ -381,7 +385,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
+
+ /* If this is a direct mount request create a dummy name */
+ if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type))
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ /* this name does get written to userland via autofs4_write() */
++ qstr.len = sprintf(name, "%08lx", atomic_inc_return_unchecked(&autofs_dummy_name_id));
++#else
+ qstr.len = sprintf(name, "%p", dentry);
++#endif
+ else {
+ qstr.len = autofs4_getpath(sbi, dentry, &name);
+ if (!qstr.len) {
+diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
+index cf7f3c6..f61080d 100644
+--- a/fs/befs/linuxvfs.c
++++ b/fs/befs/linuxvfs.c
+@@ -502,7 +502,7 @@ static void befs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
+ {
+ befs_inode_info *befs_ino = BEFS_I(dentry->d_inode);
+ if (befs_ino->i_flags & BEFS_LONG_SYMLINK) {
+- char *link = nd_get_link(nd);
++ const char *link = nd_get_link(nd);
+ if (!IS_ERR(link))
+ kfree(link);
+ }
+diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
+index d146e18..12d1bd1 100644
+--- a/fs/binfmt_aout.c
++++ b/fs/binfmt_aout.c
+@@ -16,6 +16,7 @@
+ #include <linux/string.h>
+ #include <linux/fs.h>
+ #include <linux/file.h>
++#include <linux/security.h>
+ #include <linux/stat.h>
+ #include <linux/fcntl.h>
+ #include <linux/ptrace.h>
+@@ -83,6 +84,8 @@ static int aout_core_dump(struct coredump_params *cprm)
+ #endif
+ # define START_STACK(u) ((void __user *)u.start_stack)
+
++ memset(&dump, 0, sizeof(dump));
++
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ has_dumped = 1;
+@@ -94,10 +97,12 @@ static int aout_core_dump(struct coredump_params *cprm)
+
+ /* If the size of the dump file exceeds the rlimit, then see what would happen
+ if we wrote the stack, but not the data area. */
++ gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1);
+ if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit)
+ dump.u_dsize = 0;
+
+ /* Make sure we have enough room to write the stack and data areas. */
++ gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1);
+ if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit)
+ dump.u_ssize = 0;
+
+@@ -231,6 +236,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
+ rlim = rlimit(RLIMIT_DATA);
+ if (rlim >= RLIM_INFINITY)
+ rlim = ~0;
++
++ gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1);
+ if (ex.a_data + ex.a_bss > rlim)
+ return -ENOMEM;
+
+@@ -265,6 +272,27 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
+
+ install_exec_creds(bprm);
+
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++ current->mm->pax_flags = 0UL;
++#endif
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) {
++ current->mm->pax_flags |= MF_PAX_PAGEEXEC;
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if (N_FLAGS(ex) & F_PAX_EMUTRAMP)
++ current->mm->pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (!(N_FLAGS(ex) & F_PAX_MPROTECT))
++ current->mm->pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++ }
++#endif
++
+ if (N_MAGIC(ex) == OMAGIC) {
+ unsigned long text_addr, map_size;
+ loff_t pos;
+@@ -330,7 +358,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
+ }
+
+ error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
+- PROT_READ | PROT_WRITE | PROT_EXEC,
++ PROT_READ | PROT_WRITE,
+ MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE,
+ fd_offset + ex.a_text);
+ if (error != N_DATADDR(ex)) {
+diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
+index 0225fdd..08bda99 100644
+--- a/fs/binfmt_elf.c
++++ b/fs/binfmt_elf.c
+@@ -32,6 +32,7 @@
+ #include <linux/elf.h>
+ #include <linux/utsname.h>
+ #include <linux/coredump.h>
++#include <linux/xattr.h>
+ #include <asm/uaccess.h>
+ #include <asm/param.h>
+ #include <asm/page.h>
+@@ -52,6 +53,10 @@ static int elf_core_dump(struct coredump_params *cprm);
+ #define elf_core_dump NULL
+ #endif
+
++#ifdef CONFIG_PAX_MPROTECT
++static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags);
++#endif
++
+ #if ELF_EXEC_PAGESIZE > PAGE_SIZE
+ #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE
+ #else
+@@ -71,6 +76,11 @@ static struct linux_binfmt elf_format = {
+ .load_binary = load_elf_binary,
+ .load_shlib = load_elf_library,
+ .core_dump = elf_core_dump,
++
++#ifdef CONFIG_PAX_MPROTECT
++ .handle_mprotect= elf_handle_mprotect,
++#endif
++
+ .min_coredump = ELF_EXEC_PAGESIZE,
+ };
+
+@@ -78,6 +88,8 @@ static struct linux_binfmt elf_format = {
+
+ static int set_brk(unsigned long start, unsigned long end)
+ {
++ unsigned long e = end;
++
+ start = ELF_PAGEALIGN(start);
+ end = ELF_PAGEALIGN(end);
+ if (end > start) {
+@@ -86,7 +98,7 @@ static int set_brk(unsigned long start, unsigned long end)
+ if (BAD_ADDR(addr))
+ return addr;
+ }
+- current->mm->start_brk = current->mm->brk = end;
++ current->mm->start_brk = current->mm->brk = e;
+ return 0;
+ }
+
+@@ -147,12 +159,13 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
+ elf_addr_t __user *u_rand_bytes;
+ const char *k_platform = ELF_PLATFORM;
+ const char *k_base_platform = ELF_BASE_PLATFORM;
+- unsigned char k_rand_bytes[16];
++ u32 k_rand_bytes[4];
+ int items;
+ elf_addr_t *elf_info;
+ int ei_index = 0;
+ const struct cred *cred = current_cred();
+ struct vm_area_struct *vma;
++ unsigned long saved_auxv[AT_VECTOR_SIZE];
+
+ /*
+ * In some cases (e.g. Hyper-Threading), we want to avoid L1
+@@ -194,8 +207,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
+ * Generate 16 random bytes for userspace PRNG seeding.
+ */
+ get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes));
+- u_rand_bytes = (elf_addr_t __user *)
+- STACK_ALLOC(p, sizeof(k_rand_bytes));
++ srandom32(k_rand_bytes[0] ^ random32());
++ srandom32(k_rand_bytes[1] ^ random32());
++ srandom32(k_rand_bytes[2] ^ random32());
++ srandom32(k_rand_bytes[3] ^ random32());
++ p = STACK_ROUND(p, sizeof(k_rand_bytes));
++ u_rand_bytes = (elf_addr_t __user *) p;
+ if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
+ return -EFAULT;
+
+@@ -307,9 +324,11 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
+ return -EFAULT;
+ current->mm->env_end = p;
+
++ memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t));
++
+ /* Put the elf_info on the stack in the right place. */
+ sp = (elf_addr_t __user *)envp + 1;
+- if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t)))
++ if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t)))
+ return -EFAULT;
+ return 0;
+ }
+@@ -373,15 +392,14 @@ static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr)
+ an ELF header */
+
+ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
+- struct file *interpreter, unsigned long *interp_map_addr,
+- unsigned long no_base)
++ struct file *interpreter, unsigned long no_base)
+ {
+ struct elf_phdr *elf_phdata;
+ struct elf_phdr *eppnt;
+- unsigned long load_addr = 0;
++ unsigned long load_addr = 0, pax_task_size = TASK_SIZE;
+ int load_addr_set = 0;
+ unsigned long last_bss = 0, elf_bss = 0;
+- unsigned long error = ~0UL;
++ unsigned long error = -EINVAL;
+ unsigned long total_size;
+ int retval, i, size;
+
+@@ -427,6 +445,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
+ goto out_close;
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
+ eppnt = elf_phdata;
+ for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
+ if (eppnt->p_type == PT_LOAD) {
+@@ -450,8 +473,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
+ map_addr = elf_map(interpreter, load_addr + vaddr,
+ eppnt, elf_prot, elf_type, total_size);
+ total_size = 0;
+- if (!*interp_map_addr)
+- *interp_map_addr = map_addr;
+ error = map_addr;
+ if (BAD_ADDR(map_addr))
+ goto out_close;
+@@ -470,8 +491,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
+ k = load_addr + eppnt->p_vaddr;
+ if (BAD_ADDR(k) ||
+ eppnt->p_filesz > eppnt->p_memsz ||
+- eppnt->p_memsz > TASK_SIZE ||
+- TASK_SIZE - eppnt->p_memsz < k) {
++ eppnt->p_memsz > pax_task_size ||
++ pax_task_size - eppnt->p_memsz < k) {
+ error = -ENOMEM;
+ goto out_close;
+ }
+@@ -523,6 +544,311 @@ out:
+ return error;
+ }
+
++#ifdef CONFIG_PAX_PT_PAX_FLAGS
++#ifdef CONFIG_PAX_SOFTMODE
++static unsigned long pax_parse_pt_pax_softmode(const struct elf_phdr * const elf_phdata)
++{
++ unsigned long pax_flags = 0UL;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (elf_phdata->p_flags & PF_PAGEEXEC)
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (elf_phdata->p_flags & PF_SEGMEXEC)
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if ((elf_phdata->p_flags & PF_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)))
++ pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (elf_phdata->p_flags & PF_MPROTECT)
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
++ if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP))
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++ return pax_flags;
++}
++#endif
++
++static unsigned long pax_parse_pt_pax_hardmode(const struct elf_phdr * const elf_phdata)
++{
++ unsigned long pax_flags = 0UL;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(elf_phdata->p_flags & PF_NOPAGEEXEC))
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!(elf_phdata->p_flags & PF_NOSEGMEXEC))
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if (!(elf_phdata->p_flags & PF_NOEMUTRAMP))
++ pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (!(elf_phdata->p_flags & PF_NOMPROTECT))
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
++ if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP))
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++ return pax_flags;
++}
++#endif
++
++#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
++#ifdef CONFIG_PAX_SOFTMODE
++static unsigned long pax_parse_xattr_pax_softmode(unsigned long pax_flags_softmode)
++{
++ unsigned long pax_flags = 0UL;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (pax_flags_softmode & MF_PAX_PAGEEXEC)
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (pax_flags_softmode & MF_PAX_SEGMEXEC)
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if (pax_flags_softmode & MF_PAX_EMUTRAMP)
++ pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (pax_flags_softmode & MF_PAX_MPROTECT)
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
++ if (randomize_va_space && (pax_flags_softmode & MF_PAX_RANDMMAP))
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++ return pax_flags;
++}
++#endif
++
++static unsigned long pax_parse_xattr_pax_hardmode(unsigned long pax_flags_hardmode)
++{
++ unsigned long pax_flags = 0UL;
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(pax_flags_hardmode & MF_PAX_PAGEEXEC))
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!(pax_flags_hardmode & MF_PAX_SEGMEXEC))
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if (!(pax_flags_hardmode & MF_PAX_EMUTRAMP))
++ pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (!(pax_flags_hardmode & MF_PAX_MPROTECT))
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
++ if (randomize_va_space && !(pax_flags_hardmode & MF_PAX_RANDMMAP))
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++ return pax_flags;
++}
++#endif
++
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex)
++{
++ unsigned long pax_flags = 0UL;
++
++#ifdef CONFIG_PAX_EI_PAX
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC))
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC))
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP))
++ pax_flags |= MF_PAX_EMUTRAMP;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT))
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#ifdef CONFIG_PAX_ASLR
++ if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP))
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++#else
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ pax_flags |= MF_PAX_PAGEEXEC;
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_flags |= MF_PAX_SEGMEXEC;
++#endif
++
++#ifdef CONFIG_PAX_MPROTECT
++ pax_flags |= MF_PAX_MPROTECT;
++#endif
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (randomize_va_space)
++ pax_flags |= MF_PAX_RANDMMAP;
++#endif
++
++#endif
++
++ return pax_flags;
++}
++
++static unsigned long pax_parse_pt_pax(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata)
++{
++
++#ifdef CONFIG_PAX_PT_PAX_FLAGS
++ unsigned long i;
++
++ for (i = 0UL; i < elf_ex->e_phnum; i++)
++ if (elf_phdata[i].p_type == PT_PAX_FLAGS) {
++ if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) ||
++ ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) ||
++ ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) ||
++ ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) ||
++ ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP)))
++ return ~0UL;
++
++#ifdef CONFIG_PAX_SOFTMODE
++ if (pax_softmode)
++ return pax_parse_pt_pax_softmode(&elf_phdata[i]);
++ else
++#endif
++
++ return pax_parse_pt_pax_hardmode(&elf_phdata[i]);
++ break;
++ }
++#endif
++
++ return ~0UL;
++}
++
++static unsigned long pax_parse_xattr_pax(struct file * const file)
++{
++
++#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
++ ssize_t xattr_size, i;
++ unsigned char xattr_value[5];
++ unsigned long pax_flags_hardmode = 0UL, pax_flags_softmode = 0UL;
++
++ xattr_size = vfs_getxattr(file->f_path.dentry, XATTR_NAME_PAX_FLAGS, xattr_value, sizeof xattr_value);
++ if (xattr_size <= 0)
++ return ~0UL;
++
++ for (i = 0; i < xattr_size; i++)
++ switch (xattr_value[i]) {
++ default:
++ return ~0UL;
++
++#define parse_flag(option1, option2, flag) \
++ case option1: \
++ pax_flags_hardmode |= MF_PAX_##flag; \
++ break; \
++ case option2: \
++ pax_flags_softmode |= MF_PAX_##flag; \
++ break;
++
++ parse_flag('p', 'P', PAGEEXEC);
++ parse_flag('e', 'E', EMUTRAMP);
++ parse_flag('m', 'M', MPROTECT);
++ parse_flag('r', 'R', RANDMMAP);
++ parse_flag('s', 'S', SEGMEXEC);
++
++#undef parse_flag
++ }
++
++ if (pax_flags_hardmode & pax_flags_softmode)
++ return ~0UL;
++
++#ifdef CONFIG_PAX_SOFTMODE
++ if (pax_softmode)
++ return pax_parse_xattr_pax_softmode(pax_flags_softmode);
++ else
++#endif
++
++ return pax_parse_xattr_pax_hardmode(pax_flags_hardmode);
++#else
++ return ~0UL;
++#endif
++
++}
++
++static long pax_parse_pax_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata, struct file * const file)
++{
++ unsigned long pax_flags, pt_pax_flags, xattr_pax_flags;
++
++ pax_flags = pax_parse_ei_pax(elf_ex);
++ pt_pax_flags = pax_parse_pt_pax(elf_ex, elf_phdata);
++ xattr_pax_flags = pax_parse_xattr_pax(file);
++
++ if (pt_pax_flags == ~0UL)
++ pt_pax_flags = xattr_pax_flags;
++ else if (xattr_pax_flags == ~0UL)
++ xattr_pax_flags = pt_pax_flags;
++ if (pt_pax_flags != xattr_pax_flags)
++ return -EINVAL;
++ if (pt_pax_flags != ~0UL)
++ pax_flags = pt_pax_flags;
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC)
++ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
++ if ((__supported_pte_mask & _PAGE_NX))
++ pax_flags &= ~MF_PAX_SEGMEXEC;
++ else
++ pax_flags &= ~MF_PAX_PAGEEXEC;
++ }
++#endif
++
++ if (0 > pax_check_flags(&pax_flags))
++ return -EINVAL;
++
++ current->mm->pax_flags = pax_flags;
++ return 0;
++}
++#endif
++
+ /*
+ * These are the functions used to load ELF style executables and shared
+ * libraries. There is no binary dependent code anywhere else.
+@@ -539,6 +865,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top)
+ {
+ unsigned int random_variable = 0;
+
++#ifdef CONFIG_PAX_RANDUSTACK
++ if (randomize_va_space)
++ return stack_top - current->mm->delta_stack;
++#endif
++
+ if ((current->flags & PF_RANDOMIZE) &&
+ !(current->personality & ADDR_NO_RANDOMIZE)) {
+ random_variable = get_random_int() & STACK_RND_MASK;
+@@ -557,7 +888,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ unsigned long load_addr = 0, load_bias = 0;
+ int load_addr_set = 0;
+ char * elf_interpreter = NULL;
+- unsigned long error;
++ unsigned long error = 0;
+ struct elf_phdr *elf_ppnt, *elf_phdata;
+ unsigned long elf_bss, elf_brk;
+ int retval, i;
+@@ -567,11 +898,11 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ unsigned long start_code, end_code, start_data, end_data;
+ unsigned long reloc_func_desc __maybe_unused = 0;
+ int executable_stack = EXSTACK_DEFAULT;
+- unsigned long def_flags = 0;
+ struct {
+ struct elfhdr elf_ex;
+ struct elfhdr interp_elf_ex;
+ } *loc;
++ unsigned long pax_task_size = TASK_SIZE;
+
+ loc = kmalloc(sizeof(*loc), GFP_KERNEL);
+ if (!loc) {
+@@ -707,11 +1038,81 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ goto out_free_dentry;
+
+ /* OK, This is the point of no return */
+- current->mm->def_flags = def_flags;
++
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++ current->mm->pax_flags = 0UL;
++#endif
++
++#ifdef CONFIG_PAX_DLRESOLVE
++ current->mm->call_dl_resolve = 0UL;
++#endif
++
++#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
++ current->mm->call_syscall = 0UL;
++#endif
++
++#ifdef CONFIG_PAX_ASLR
++ current->mm->delta_mmap = 0UL;
++ current->mm->delta_stack = 0UL;
++#endif
++
++ current->mm->def_flags = 0;
++
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++ if (0 > pax_parse_pax_flags(&loc->elf_ex, elf_phdata, bprm->file)) {
++ send_sig(SIGKILL, current, 0);
++ goto out_free_dentry;
++ }
++#endif
++
++#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
++ pax_set_initial_flags(bprm);
++#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
++ if (pax_set_initial_flags_func)
++ (pax_set_initial_flags_func)(bprm);
++#endif
++
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++ if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) {
++ current->mm->context.user_cs_limit = PAGE_SIZE;
++ current->mm->def_flags |= VM_PAGEEXEC;
++ }
++#endif
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
++ current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE;
++ current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE;
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++ current->mm->def_flags |= VM_NOHUGEPAGE;
++ }
++#endif
++
++#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC)
++ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
++ set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu());
++ put_cpu();
++ }
++#endif
+
+ /* Do this immediately, since STACK_TOP as used in setup_arg_pages
+ may depend on the personality. */
+ SET_PERSONALITY(loc->elf_ex);
++
++#ifdef CONFIG_PAX_ASLR
++ if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
++ current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT;
++ current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT;
++ }
++#endif
++
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
++ executable_stack = EXSTACK_DISABLE_X;
++ current->personality &= ~READ_IMPLIES_EXEC;
++ } else
++#endif
++
+ if (elf_read_implies_exec(loc->elf_ex, executable_stack))
+ current->personality |= READ_IMPLIES_EXEC;
+
+@@ -802,6 +1203,20 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ #else
+ load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
+ #endif
++
++#ifdef CONFIG_PAX_RANDMMAP
++ /* PaX: randomize base address at the default exe base if requested */
++ if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) {
++#ifdef CONFIG_SPARC64
++ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1);
++#else
++ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT;
++#endif
++ load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias);
++ elf_flags |= MAP_FIXED;
++ }
++#endif
++
+ }
+
+ error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
+@@ -834,9 +1249,9 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ * allowed task size. Note that p_filesz must always be
+ * <= p_memsz so it is only necessary to check p_memsz.
+ */
+- if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
+- elf_ppnt->p_memsz > TASK_SIZE ||
+- TASK_SIZE - elf_ppnt->p_memsz < k) {
++ if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
++ elf_ppnt->p_memsz > pax_task_size ||
++ pax_task_size - elf_ppnt->p_memsz < k) {
+ /* set_brk can never work. Avoid overflows. */
+ send_sig(SIGKILL, current, 0);
+ retval = -EINVAL;
+@@ -875,17 +1290,44 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ goto out_free_dentry;
+ }
+ if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
+- send_sig(SIGSEGV, current, 0);
+- retval = -EFAULT; /* Nobody gets to see this, but.. */
+- goto out_free_dentry;
++ /*
++ * This bss-zeroing can fail if the ELF
++ * file specifies odd protections. So
++ * we don't check the return value
++ */
+ }
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
++ unsigned long start, size;
++
++ start = ELF_PAGEALIGN(elf_brk);
++ size = PAGE_SIZE + ((pax_get_random_long() & ((1UL << 22) - 1UL)) << 4);
++ down_read(¤t->mm->mmap_sem);
++ retval = -ENOMEM;
++ if (!find_vma_intersection(current->mm, start, start + size + PAGE_SIZE)) {
++ unsigned long prot = PROT_NONE;
++
++ up_read(¤t->mm->mmap_sem);
++ current->mm->brk_gap = PAGE_ALIGN(size) >> PAGE_SHIFT;
++// if (current->personality & ADDR_NO_RANDOMIZE)
++// prot = PROT_READ;
++ start = vm_mmap(NULL, start, size, prot, MAP_ANONYMOUS | MAP_FIXED | MAP_PRIVATE, 0);
++ retval = IS_ERR_VALUE(start) ? start : 0;
++ } else
++ up_read(¤t->mm->mmap_sem);
++ if (retval == 0)
++ retval = set_brk(start + size, start + size + PAGE_SIZE);
++ if (retval < 0) {
++ send_sig(SIGKILL, current, 0);
++ goto out_free_dentry;
++ }
++ }
++#endif
++
+ if (elf_interpreter) {
+- unsigned long uninitialized_var(interp_map_addr);
+-
+ elf_entry = load_elf_interp(&loc->interp_elf_ex,
+ interpreter,
+- &interp_map_addr,
+ load_bias);
+ if (!IS_ERR((void *)elf_entry)) {
+ /*
+@@ -1107,7 +1549,7 @@ static bool always_dump_vma(struct vm_area_struct *vma)
+ * Decide what to dump of a segment, part, all or none.
+ */
+ static unsigned long vma_dump_size(struct vm_area_struct *vma,
+- unsigned long mm_flags)
++ unsigned long mm_flags, long signr)
+ {
+ #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type))
+
+@@ -1144,7 +1586,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
+ if (vma->vm_file == NULL)
+ return 0;
+
+- if (FILTER(MAPPED_PRIVATE))
++ if (signr == SIGKILL || FILTER(MAPPED_PRIVATE))
+ goto whole;
+
+ /*
+@@ -1366,9 +1808,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
+ {
+ elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv;
+ int i = 0;
+- do
++ do {
+ i += 2;
+- while (auxv[i - 2] != AT_NULL);
++ } while (auxv[i - 2] != AT_NULL);
+ fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
+ }
+
+@@ -1879,14 +2321,14 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
+ }
+
+ static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma,
+- unsigned long mm_flags)
++ struct coredump_params *cprm)
+ {
+ struct vm_area_struct *vma;
+ size_t size = 0;
+
+ for (vma = first_vma(current, gate_vma); vma != NULL;
+ vma = next_vma(vma, gate_vma))
+- size += vma_dump_size(vma, mm_flags);
++ size += vma_dump_size(vma, cprm->mm_flags, cprm->signr);
+ return size;
+ }
+
+@@ -1980,7 +2422,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+
+ dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
+
+- offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags);
++ offset += elf_core_vma_data_size(gate_vma, cprm);
+ offset += elf_core_extra_data_size();
+ e_shoff = offset;
+
+@@ -1994,10 +2436,12 @@ static int elf_core_dump(struct coredump_params *cprm)
+ offset = dataoff;
+
+ size += sizeof(*elf);
++ gr_learn_resource(current, RLIMIT_CORE, size, 1);
+ if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf)))
+ goto end_coredump;
+
+ size += sizeof(*phdr4note);
++ gr_learn_resource(current, RLIMIT_CORE, size, 1);
+ if (size > cprm->limit
+ || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note)))
+ goto end_coredump;
+@@ -2011,7 +2455,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+ phdr.p_offset = offset;
+ phdr.p_vaddr = vma->vm_start;
+ phdr.p_paddr = 0;
+- phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags);
++ phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags, cprm->signr);
+ phdr.p_memsz = vma->vm_end - vma->vm_start;
+ offset += phdr.p_filesz;
+ phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
+@@ -2022,6 +2466,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+ phdr.p_align = ELF_EXEC_PAGESIZE;
+
+ size += sizeof(phdr);
++ gr_learn_resource(current, RLIMIT_CORE, size, 1);
+ if (size > cprm->limit
+ || !dump_write(cprm->file, &phdr, sizeof(phdr)))
+ goto end_coredump;
+@@ -2046,7 +2491,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+ unsigned long addr;
+ unsigned long end;
+
+- end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags);
++ end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags, cprm->signr);
+
+ for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) {
+ struct page *page;
+@@ -2055,6 +2500,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+ page = get_dump_page(addr);
+ if (page) {
+ void *kaddr = kmap(page);
++ gr_learn_resource(current, RLIMIT_CORE, size + PAGE_SIZE, 1);
+ stop = ((size += PAGE_SIZE) > cprm->limit) ||
+ !dump_write(cprm->file, kaddr,
+ PAGE_SIZE);
+@@ -2072,6 +2518,7 @@ static int elf_core_dump(struct coredump_params *cprm)
+
+ if (e_phnum == PN_XNUM) {
+ size += sizeof(*shdr4extnum);
++ gr_learn_resource(current, RLIMIT_CORE, size, 1);
+ if (size > cprm->limit
+ || !dump_write(cprm->file, shdr4extnum,
+ sizeof(*shdr4extnum)))
+@@ -2092,6 +2539,97 @@ out:
+
+ #endif /* CONFIG_ELF_CORE */
+
++#ifdef CONFIG_PAX_MPROTECT
++/* PaX: non-PIC ELF libraries need relocations on their executable segments
++ * therefore we'll grant them VM_MAYWRITE once during their life. Similarly
++ * we'll remove VM_MAYWRITE for good on RELRO segments.
++ *
++ * The checks favour ld-linux.so behaviour which operates on a per ELF segment
++ * basis because we want to allow the common case and not the special ones.
++ */
++static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags)
++{
++ struct elfhdr elf_h;
++ struct elf_phdr elf_p;
++ unsigned long i;
++ unsigned long oldflags;
++ bool is_textrel_rw, is_textrel_rx, is_relro;
++
++ if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT))
++ return;
++
++ oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ);
++ newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ;
++
++#ifdef CONFIG_PAX_ELFRELOCS
++ /* possible TEXTREL */
++ is_textrel_rw = vma->vm_file && !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ);
++ is_textrel_rx = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ);
++#else
++ is_textrel_rw = false;
++ is_textrel_rx = false;
++#endif
++
++ /* possible RELRO */
++ is_relro = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ);
++
++ if (!is_textrel_rw && !is_textrel_rx && !is_relro)
++ return;
++
++ if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) ||
++ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) ||
++
++#ifdef CONFIG_PAX_ETEXECRELOCS
++ ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
++#else
++ ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) ||
++#endif
++
++ (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
++ !elf_check_arch(&elf_h) ||
++ elf_h.e_phentsize != sizeof(struct elf_phdr) ||
++ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr))
++ return;
++
++ for (i = 0UL; i < elf_h.e_phnum; i++) {
++ if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p)))
++ return;
++ switch (elf_p.p_type) {
++ case PT_DYNAMIC:
++ if (!is_textrel_rw && !is_textrel_rx)
++ continue;
++ i = 0UL;
++ while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) {
++ elf_dyn dyn;
++
++ if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn)))
++ return;
++ if (dyn.d_tag == DT_NULL)
++ return;
++ if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) {
++ gr_log_textrel(vma);
++ if (is_textrel_rw)
++ vma->vm_flags |= VM_MAYWRITE;
++ else
++ /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */
++ vma->vm_flags &= ~VM_MAYWRITE;
++ return;
++ }
++ i++;
++ }
++ return;
++
++ case PT_GNU_RELRO:
++ if (!is_relro)
++ continue;
++ if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start)
++ vma->vm_flags &= ~VM_MAYWRITE;
++ return;
++ }
++ }
++}
++#endif
++
+ static int __init init_elf_binfmt(void)
+ {
+ register_binfmt(&elf_format);
+diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
+index 178cb70..8972997 100644
+--- a/fs/binfmt_flat.c
++++ b/fs/binfmt_flat.c
+@@ -562,7 +562,9 @@ static int load_flat_file(struct linux_binprm * bprm,
+ realdatastart = (unsigned long) -ENOMEM;
+ printk("Unable to allocate RAM for process data, errno %d\n",
+ (int)-realdatastart);
++ down_write(¤t->mm->mmap_sem);
+ vm_munmap(textpos, text_len);
++ up_write(¤t->mm->mmap_sem);
+ ret = realdatastart;
+ goto err;
+ }
+@@ -586,8 +588,10 @@ static int load_flat_file(struct linux_binprm * bprm,
+ }
+ if (IS_ERR_VALUE(result)) {
+ printk("Unable to read data+bss, errno %d\n", (int)-result);
++ down_write(¤t->mm->mmap_sem);
+ vm_munmap(textpos, text_len);
+ vm_munmap(realdatastart, len);
++ up_write(¤t->mm->mmap_sem);
+ ret = result;
+ goto err;
+ }
+@@ -654,8 +658,10 @@ static int load_flat_file(struct linux_binprm * bprm,
+ }
+ if (IS_ERR_VALUE(result)) {
+ printk("Unable to read code+data+bss, errno %d\n",(int)-result);
++ down_write(¤t->mm->mmap_sem);
+ vm_munmap(textpos, text_len + data_len + extra +
+ MAX_SHARED_LIBS * sizeof(unsigned long));
++ up_write(¤t->mm->mmap_sem);
+ ret = result;
+ goto err;
+ }
+diff --git a/fs/bio.c b/fs/bio.c
+index 71072ab..439851b 100644
+--- a/fs/bio.c
++++ b/fs/bio.c
+@@ -842,7 +842,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
+ /*
+ * Overflow, abort
+ */
+- if (end < start)
++ if (end < start || end - start > INT_MAX - nr_pages)
+ return ERR_PTR(-EINVAL);
+
+ nr_pages += end - start;
+@@ -976,7 +976,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
+ /*
+ * Overflow, abort
+ */
+- if (end < start)
++ if (end < start || end - start > INT_MAX - nr_pages)
+ return ERR_PTR(-EINVAL);
+
+ nr_pages += end - start;
+@@ -1238,7 +1238,7 @@ static void bio_copy_kern_endio(struct bio *bio, int err)
+ const int read = bio_data_dir(bio) == READ;
+ struct bio_map_data *bmd = bio->bi_private;
+ int i;
+- char *p = bmd->sgvecs[0].iov_base;
++ char *p = (char __force_kernel *)bmd->sgvecs[0].iov_base;
+
+ __bio_for_each_segment(bvec, bio, i, 0) {
+ char *addr = page_address(bvec->bv_page);
+diff --git a/fs/block_dev.c b/fs/block_dev.c
+index 38e721b..7a9c5bc 100644
+--- a/fs/block_dev.c
++++ b/fs/block_dev.c
+@@ -704,7 +704,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
+ else if (bdev->bd_contains == bdev)
+ return true; /* is a whole device which isn't held */
+
+- else if (whole->bd_holder == bd_may_claim)
++ else if (whole->bd_holder == (void *)bd_may_claim)
+ return true; /* is a partition of a device that is being partitioned */
+ else if (whole->bd_holder != NULL)
+ return false; /* is a partition of a held device */
+diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
+index 9197e2e..7f731f8 100644
+--- a/fs/btrfs/check-integrity.c
++++ b/fs/btrfs/check-integrity.c
+@@ -155,7 +155,7 @@ struct btrfsic_block {
+ union {
+ bio_end_io_t *bio;
+ bh_end_io_t *bh;
+- } orig_bio_bh_end_io;
++ } __no_const orig_bio_bh_end_io;
+ int submit_bio_bh_rw;
+ u64 flush_gen; /* only valid if !never_written */
+ };
+diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
+index 6d183f6..f47cc7a 100644
+--- a/fs/btrfs/ctree.c
++++ b/fs/btrfs/ctree.c
+@@ -1037,9 +1037,12 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
+ free_extent_buffer(buf);
+ add_root_to_dirty_list(root);
+ } else {
+- if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID)
+- parent_start = parent->start;
+- else
++ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
++ if (parent)
++ parent_start = parent->start;
++ else
++ parent_start = 0;
++ } else
+ parent_start = 0;
+
+ WARN_ON(trans->transid != btrfs_header_generation(parent));
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index ec154f9..bf617a7 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -7126,7 +7126,7 @@ fail:
+ return -ENOMEM;
+ }
+
+-static int btrfs_getattr(struct vfsmount *mnt,
++int btrfs_getattr(struct vfsmount *mnt,
+ struct dentry *dentry, struct kstat *stat)
+ {
+ struct inode *inode = dentry->d_inode;
+@@ -7140,6 +7140,14 @@ static int btrfs_getattr(struct vfsmount *mnt,
+ return 0;
+ }
+
++EXPORT_SYMBOL(btrfs_getattr);
++
++dev_t get_btrfs_dev_from_inode(struct inode *inode)
++{
++ return BTRFS_I(inode)->root->anon_dev;
++}
++EXPORT_SYMBOL(get_btrfs_dev_from_inode);
++
+ /*
+ * If a file is moved, it will inherit the cow and compression flags of the new
+ * directory.
+diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
+index 9df50fa..6cd20d0 100644
+--- a/fs/btrfs/ioctl.c
++++ b/fs/btrfs/ioctl.c
+@@ -2942,9 +2942,12 @@ long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
+ for (i = 0; i < num_types; i++) {
+ struct btrfs_space_info *tmp;
+
++ /* Don't copy in more than we allocated */
+ if (!slot_count)
+ break;
+
++ slot_count--;
++
+ info = NULL;
+ rcu_read_lock();
+ list_for_each_entry_rcu(tmp, &root->fs_info->space_info,
+@@ -2966,10 +2969,7 @@ long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
+ memcpy(dest, &space, sizeof(space));
+ dest++;
+ space_args.total_spaces++;
+- slot_count--;
+ }
+- if (!slot_count)
+- break;
+ }
+ up_read(&info->groups_sem);
+ }
+diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
+index 4da0865..01c4778 100644
+--- a/fs/btrfs/relocation.c
++++ b/fs/btrfs/relocation.c
+@@ -1269,7 +1269,7 @@ static int __update_reloc_root(struct btrfs_root *root, int del)
+ }
+ spin_unlock(&rc->reloc_root_tree.lock);
+
+- BUG_ON((struct btrfs_root *)node->data != root);
++ BUG_ON(!node || (struct btrfs_root *)node->data != root);
+
+ if (!del) {
+ spin_lock(&rc->reloc_root_tree.lock);
+diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
+index 622f469..e8d2d55 100644
+--- a/fs/cachefiles/bind.c
++++ b/fs/cachefiles/bind.c
+@@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args)
+ args);
+
+ /* start by checking things over */
+- ASSERT(cache->fstop_percent >= 0 &&
+- cache->fstop_percent < cache->fcull_percent &&
++ ASSERT(cache->fstop_percent < cache->fcull_percent &&
+ cache->fcull_percent < cache->frun_percent &&
+ cache->frun_percent < 100);
+
+- ASSERT(cache->bstop_percent >= 0 &&
+- cache->bstop_percent < cache->bcull_percent &&
++ ASSERT(cache->bstop_percent < cache->bcull_percent &&
+ cache->bcull_percent < cache->brun_percent &&
+ cache->brun_percent < 100);
+
+diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
+index 0a1467b..6a53245 100644
+--- a/fs/cachefiles/daemon.c
++++ b/fs/cachefiles/daemon.c
+@@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(struct file *file, char __user *_buffer,
+ if (n > buflen)
+ return -EMSGSIZE;
+
+- if (copy_to_user(_buffer, buffer, n) != 0)
++ if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0)
+ return -EFAULT;
+
+ return n;
+@@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(struct file *file,
+ if (test_bit(CACHEFILES_DEAD, &cache->flags))
+ return -EIO;
+
+- if (datalen < 0 || datalen > PAGE_SIZE - 1)
++ if (datalen > PAGE_SIZE - 1)
+ return -EOPNOTSUPP;
+
+ /* drag the command string into the kernel so we can parse it */
+@@ -386,7 +386,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
+ if (args[0] != '%' || args[1] != '\0')
+ return -EINVAL;
+
+- if (fstop < 0 || fstop >= cache->fcull_percent)
++ if (fstop >= cache->fcull_percent)
+ return cachefiles_daemon_range_error(cache, args);
+
+ cache->fstop_percent = fstop;
+@@ -458,7 +458,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
+ if (args[0] != '%' || args[1] != '\0')
+ return -EINVAL;
+
+- if (bstop < 0 || bstop >= cache->bcull_percent)
++ if (bstop >= cache->bcull_percent)
+ return cachefiles_daemon_range_error(cache, args);
+
+ cache->bstop_percent = bstop;
+diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
+index bd6bc1b..b627b53 100644
+--- a/fs/cachefiles/internal.h
++++ b/fs/cachefiles/internal.h
+@@ -57,7 +57,7 @@ struct cachefiles_cache {
+ wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */
+ struct rb_root active_nodes; /* active nodes (can't be culled) */
+ rwlock_t active_lock; /* lock for active_nodes */
+- atomic_t gravecounter; /* graveyard uniquifier */
++ atomic_unchecked_t gravecounter; /* graveyard uniquifier */
+ unsigned frun_percent; /* when to stop culling (% files) */
+ unsigned fcull_percent; /* when to start culling (% files) */
+ unsigned fstop_percent; /* when to stop allocating (% files) */
+@@ -169,19 +169,19 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache,
+ * proc.c
+ */
+ #ifdef CONFIG_CACHEFILES_HISTOGRAM
+-extern atomic_t cachefiles_lookup_histogram[HZ];
+-extern atomic_t cachefiles_mkdir_histogram[HZ];
+-extern atomic_t cachefiles_create_histogram[HZ];
++extern atomic_unchecked_t cachefiles_lookup_histogram[HZ];
++extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
++extern atomic_unchecked_t cachefiles_create_histogram[HZ];
+
+ extern int __init cachefiles_proc_init(void);
+ extern void cachefiles_proc_cleanup(void);
+ static inline
+-void cachefiles_hist(atomic_t histogram[], unsigned long start_jif)
++void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif)
+ {
+ unsigned long jif = jiffies - start_jif;
+ if (jif >= HZ)
+ jif = HZ - 1;
+- atomic_inc(&histogram[jif]);
++ atomic_inc_unchecked(&histogram[jif]);
+ }
+
+ #else
+diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
+index b0b5f7c..039bb26 100644
+--- a/fs/cachefiles/namei.c
++++ b/fs/cachefiles/namei.c
+@@ -318,7 +318,7 @@ try_again:
+ /* first step is to make up a grave dentry in the graveyard */
+ sprintf(nbuffer, "%08x%08x",
+ (uint32_t) get_seconds(),
+- (uint32_t) atomic_inc_return(&cache->gravecounter));
++ (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter));
+
+ /* do the multiway lock magic */
+ trap = lock_rename(cache->graveyard, dir);
+diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c
+index eccd339..4c1d995 100644
+--- a/fs/cachefiles/proc.c
++++ b/fs/cachefiles/proc.c
+@@ -14,9 +14,9 @@
+ #include <linux/seq_file.h>
+ #include "internal.h"
+
+-atomic_t cachefiles_lookup_histogram[HZ];
+-atomic_t cachefiles_mkdir_histogram[HZ];
+-atomic_t cachefiles_create_histogram[HZ];
++atomic_unchecked_t cachefiles_lookup_histogram[HZ];
++atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
++atomic_unchecked_t cachefiles_create_histogram[HZ];
+
+ /*
+ * display the latency histogram
+@@ -35,9 +35,9 @@ static int cachefiles_histogram_show(struct seq_file *m, void *v)
+ return 0;
+ default:
+ index = (unsigned long) v - 3;
+- x = atomic_read(&cachefiles_lookup_histogram[index]);
+- y = atomic_read(&cachefiles_mkdir_histogram[index]);
+- z = atomic_read(&cachefiles_create_histogram[index]);
++ x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]);
++ y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]);
++ z = atomic_read_unchecked(&cachefiles_create_histogram[index]);
+ if (x == 0 && y == 0 && z == 0)
+ return 0;
+
+diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
+index c994691..2a1537f 100644
+--- a/fs/cachefiles/rdwr.c
++++ b/fs/cachefiles/rdwr.c
+@@ -945,7 +945,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = file->f_op->write(
+- file, (const void __user *) data, len, &pos);
++ file, (const void __force_user *) data, len, &pos);
+ set_fs(old_fs);
+ kunmap(page);
+ if (ret != len)
+diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
+index e5b7731..b9c59fb 100644
+--- a/fs/ceph/dir.c
++++ b/fs/ceph/dir.c
+@@ -243,7 +243,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
+ struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
+ struct ceph_mds_client *mdsc = fsc->mdsc;
+ unsigned frag = fpos_frag(filp->f_pos);
+- int off = fpos_off(filp->f_pos);
++ unsigned int off = fpos_off(filp->f_pos);
+ int err;
+ u32 ftype;
+ struct ceph_mds_reply_info_parsed *rinfo;
+diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
+index d9ea6ed..1e6c8ac 100644
+--- a/fs/cifs/cifs_debug.c
++++ b/fs/cifs/cifs_debug.c
+@@ -267,8 +267,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
+
+ if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
+ #ifdef CONFIG_CIFS_STATS2
+- atomic_set(&totBufAllocCount, 0);
+- atomic_set(&totSmBufAllocCount, 0);
++ atomic_set_unchecked(&totBufAllocCount, 0);
++ atomic_set_unchecked(&totSmBufAllocCount, 0);
+ #endif /* CONFIG_CIFS_STATS2 */
+ spin_lock(&cifs_tcp_ses_lock);
+ list_for_each(tmp1, &cifs_tcp_ses_list) {
+@@ -281,7 +281,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
+ tcon = list_entry(tmp3,
+ struct cifs_tcon,
+ tcon_list);
+- atomic_set(&tcon->num_smbs_sent, 0);
++ atomic_set_unchecked(&tcon->num_smbs_sent, 0);
+ if (server->ops->clear_stats)
+ server->ops->clear_stats(tcon);
+ }
+@@ -313,8 +313,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
+ smBufAllocCount.counter, cifs_min_small);
+ #ifdef CONFIG_CIFS_STATS2
+ seq_printf(m, "Total Large %d Small %d Allocations\n",
+- atomic_read(&totBufAllocCount),
+- atomic_read(&totSmBufAllocCount));
++ atomic_read_unchecked(&totBufAllocCount),
++ atomic_read_unchecked(&totSmBufAllocCount));
+ #endif /* CONFIG_CIFS_STATS2 */
+
+ seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
+@@ -343,7 +343,7 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
+ if (tcon->need_reconnect)
+ seq_puts(m, "\tDISCONNECTED ");
+ seq_printf(m, "\nSMBs: %d",
+- atomic_read(&tcon->num_smbs_sent));
++ atomic_read_unchecked(&tcon->num_smbs_sent));
+ if (server->ops->print_stats)
+ server->ops->print_stats(m, tcon);
+ }
+diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
+index db8a404..c712e2e 100644
+--- a/fs/cifs/cifsfs.c
++++ b/fs/cifs/cifsfs.c
+@@ -1003,7 +1003,7 @@ cifs_init_request_bufs(void)
+ /* cERROR(1, "CIFSMaxBufSize %d 0x%x",CIFSMaxBufSize,CIFSMaxBufSize); */
+ cifs_req_cachep = kmem_cache_create("cifs_request",
+ CIFSMaxBufSize + max_hdr_size, 0,
+- SLAB_HWCACHE_ALIGN, NULL);
++ SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, NULL);
+ if (cifs_req_cachep == NULL)
+ return -ENOMEM;
+
+@@ -1030,7 +1030,7 @@ cifs_init_request_bufs(void)
+ efficient to alloc 1 per page off the slab compared to 17K (5page)
+ alloc of large cifs buffers even when page debugging is on */
+ cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq",
+- MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN,
++ MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN | SLAB_USERCOPY,
+ NULL);
+ if (cifs_sm_req_cachep == NULL) {
+ mempool_destroy(cifs_req_poolp);
+@@ -1115,8 +1115,8 @@ init_cifs(void)
+ atomic_set(&bufAllocCount, 0);
+ atomic_set(&smBufAllocCount, 0);
+ #ifdef CONFIG_CIFS_STATS2
+- atomic_set(&totBufAllocCount, 0);
+- atomic_set(&totSmBufAllocCount, 0);
++ atomic_set_unchecked(&totBufAllocCount, 0);
++ atomic_set_unchecked(&totSmBufAllocCount, 0);
+ #endif /* CONFIG_CIFS_STATS2 */
+
+ atomic_set(&midCount, 0);
+diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
+index 977dc0e..ba48ab9 100644
+--- a/fs/cifs/cifsglob.h
++++ b/fs/cifs/cifsglob.h
+@@ -590,35 +590,35 @@ struct cifs_tcon {
+ __u16 Flags; /* optional support bits */
+ enum statusEnum tidStatus;
+ #ifdef CONFIG_CIFS_STATS
+- atomic_t num_smbs_sent;
++ atomic_unchecked_t num_smbs_sent;
+ union {
+ struct {
+- atomic_t num_writes;
+- atomic_t num_reads;
+- atomic_t num_flushes;
+- atomic_t num_oplock_brks;
+- atomic_t num_opens;
+- atomic_t num_closes;
+- atomic_t num_deletes;
+- atomic_t num_mkdirs;
+- atomic_t num_posixopens;
+- atomic_t num_posixmkdirs;
+- atomic_t num_rmdirs;
+- atomic_t num_renames;
+- atomic_t num_t2renames;
+- atomic_t num_ffirst;
+- atomic_t num_fnext;
+- atomic_t num_fclose;
+- atomic_t num_hardlinks;
+- atomic_t num_symlinks;
+- atomic_t num_locks;
+- atomic_t num_acl_get;
+- atomic_t num_acl_set;
++ atomic_unchecked_t num_writes;
++ atomic_unchecked_t num_reads;
++ atomic_unchecked_t num_flushes;
++ atomic_unchecked_t num_oplock_brks;
++ atomic_unchecked_t num_opens;
++ atomic_unchecked_t num_closes;
++ atomic_unchecked_t num_deletes;
++ atomic_unchecked_t num_mkdirs;
++ atomic_unchecked_t num_posixopens;
++ atomic_unchecked_t num_posixmkdirs;
++ atomic_unchecked_t num_rmdirs;
++ atomic_unchecked_t num_renames;
++ atomic_unchecked_t num_t2renames;
++ atomic_unchecked_t num_ffirst;
++ atomic_unchecked_t num_fnext;
++ atomic_unchecked_t num_fclose;
++ atomic_unchecked_t num_hardlinks;
++ atomic_unchecked_t num_symlinks;
++ atomic_unchecked_t num_locks;
++ atomic_unchecked_t num_acl_get;
++ atomic_unchecked_t num_acl_set;
+ } cifs_stats;
+ #ifdef CONFIG_CIFS_SMB2
+ struct {
+- atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
+- atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
++ atomic_unchecked_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
++ atomic_unchecked_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
+ } smb2_stats;
+ #endif /* CONFIG_CIFS_SMB2 */
+ } stats;
+@@ -862,7 +862,7 @@ build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
+ }
+
+ #ifdef CONFIG_CIFS_STATS
+-#define cifs_stats_inc atomic_inc
++#define cifs_stats_inc atomic_inc_unchecked
+
+ static inline void cifs_stats_bytes_written(struct cifs_tcon *tcon,
+ unsigned int bytes)
+@@ -1227,8 +1227,8 @@ GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
+ /* Various Debug counters */
+ GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */
+ #ifdef CONFIG_CIFS_STATS2
+-GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
+-GLOBAL_EXTERN atomic_t totSmBufAllocCount;
++GLOBAL_EXTERN atomic_unchecked_t totBufAllocCount; /* total allocated over all time */
++GLOBAL_EXTERN atomic_unchecked_t totSmBufAllocCount;
+ #endif
+ GLOBAL_EXTERN atomic_t smBufAllocCount;
+ GLOBAL_EXTERN atomic_t midCount;
+diff --git a/fs/cifs/link.c b/fs/cifs/link.c
+index e6ce3b1..adc21fd 100644
+--- a/fs/cifs/link.c
++++ b/fs/cifs/link.c
+@@ -602,7 +602,7 @@ symlink_exit:
+
+ void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie)
+ {
+- char *p = nd_get_link(nd);
++ const char *p = nd_get_link(nd);
+ if (!IS_ERR(p))
+ kfree(p);
+ }
+diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
+index ce41fee..ac0d27a 100644
+--- a/fs/cifs/misc.c
++++ b/fs/cifs/misc.c
+@@ -169,7 +169,7 @@ cifs_buf_get(void)
+ memset(ret_buf, 0, buf_size + 3);
+ atomic_inc(&bufAllocCount);
+ #ifdef CONFIG_CIFS_STATS2
+- atomic_inc(&totBufAllocCount);
++ atomic_inc_unchecked(&totBufAllocCount);
+ #endif /* CONFIG_CIFS_STATS2 */
+ }
+
+@@ -204,7 +204,7 @@ cifs_small_buf_get(void)
+ /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
+ atomic_inc(&smBufAllocCount);
+ #ifdef CONFIG_CIFS_STATS2
+- atomic_inc(&totSmBufAllocCount);
++ atomic_inc_unchecked(&totSmBufAllocCount);
+ #endif /* CONFIG_CIFS_STATS2 */
+
+ }
+diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
+index 3129ac7..cc4a948 100644
+--- a/fs/cifs/smb1ops.c
++++ b/fs/cifs/smb1ops.c
+@@ -524,27 +524,27 @@ static void
+ cifs_clear_stats(struct cifs_tcon *tcon)
+ {
+ #ifdef CONFIG_CIFS_STATS
+- atomic_set(&tcon->stats.cifs_stats.num_writes, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_reads, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_flushes, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_opens, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_closes, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_deletes, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_renames, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_fnext, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_fclose, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_locks, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0);
+- atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_writes, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_reads, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_flushes, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_oplock_brks, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_opens, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixopens, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_closes, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_deletes, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_mkdirs, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_rmdirs, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_renames, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_t2renames, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_ffirst, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fnext, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fclose, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_hardlinks, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_symlinks, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_locks, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_get, 0);
++ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_set, 0);
+ #endif
+ }
+
+@@ -553,36 +553,36 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
+ {
+ #ifdef CONFIG_CIFS_STATS
+ seq_printf(m, " Oplocks breaks: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_oplock_brks));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_oplock_brks));
+ seq_printf(m, "\nReads: %d Bytes: %llu",
+- atomic_read(&tcon->stats.cifs_stats.num_reads),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_reads),
+ (long long)(tcon->bytes_read));
+ seq_printf(m, "\nWrites: %d Bytes: %llu",
+- atomic_read(&tcon->stats.cifs_stats.num_writes),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_writes),
+ (long long)(tcon->bytes_written));
+ seq_printf(m, "\nFlushes: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_flushes));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_flushes));
+ seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_locks),
+- atomic_read(&tcon->stats.cifs_stats.num_hardlinks),
+- atomic_read(&tcon->stats.cifs_stats.num_symlinks));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_locks),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_hardlinks),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_symlinks));
+ seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_opens),
+- atomic_read(&tcon->stats.cifs_stats.num_closes),
+- atomic_read(&tcon->stats.cifs_stats.num_deletes));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_opens),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_closes),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_deletes));
+ seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_posixopens),
+- atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixopens),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs));
+ seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
+- atomic_read(&tcon->stats.cifs_stats.num_mkdirs),
+- atomic_read(&tcon->stats.cifs_stats.num_rmdirs));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_mkdirs),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_rmdirs));
+ seq_printf(m, "\nRenames: %d T2 Renames %d",
+- atomic_read(&tcon->stats.cifs_stats.num_renames),
+- atomic_read(&tcon->stats.cifs_stats.num_t2renames));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_renames),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_t2renames));
+ seq_printf(m, "\nFindFirst: %d FNext %d FClose %d",
+- atomic_read(&tcon->stats.cifs_stats.num_ffirst),
+- atomic_read(&tcon->stats.cifs_stats.num_fnext),
+- atomic_read(&tcon->stats.cifs_stats.num_fclose));
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_ffirst),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fnext),
++ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fclose));
+ #endif
+ }
+
+diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
+index 826209b..fa460f4 100644
+--- a/fs/cifs/smb2ops.c
++++ b/fs/cifs/smb2ops.c
+@@ -219,8 +219,8 @@ smb2_clear_stats(struct cifs_tcon *tcon)
+ #ifdef CONFIG_CIFS_STATS
+ int i;
+ for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
+- atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
+- atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
++ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
++ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
+ }
+ #endif
+ }
+@@ -229,66 +229,66 @@ static void
+ smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
+ {
+ #ifdef CONFIG_CIFS_STATS
+- atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
+- atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
++ atomic_unchecked_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
++ atomic_unchecked_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
+ seq_printf(m, "\nNegotiates: %d sent %d failed",
+- atomic_read(&sent[SMB2_NEGOTIATE_HE]),
+- atomic_read(&failed[SMB2_NEGOTIATE_HE]));
++ atomic_read_unchecked(&sent[SMB2_NEGOTIATE_HE]),
++ atomic_read_unchecked(&failed[SMB2_NEGOTIATE_HE]));
+ seq_printf(m, "\nSessionSetups: %d sent %d failed",
+- atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
+- atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
++ atomic_read_unchecked(&sent[SMB2_SESSION_SETUP_HE]),
++ atomic_read_unchecked(&failed[SMB2_SESSION_SETUP_HE]));
+ #define SMB2LOGOFF 0x0002 /* trivial request/resp */
+ seq_printf(m, "\nLogoffs: %d sent %d failed",
+- atomic_read(&sent[SMB2_LOGOFF_HE]),
+- atomic_read(&failed[SMB2_LOGOFF_HE]));
++ atomic_read_unchecked(&sent[SMB2_LOGOFF_HE]),
++ atomic_read_unchecked(&failed[SMB2_LOGOFF_HE]));
+ seq_printf(m, "\nTreeConnects: %d sent %d failed",
+- atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
+- atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
++ atomic_read_unchecked(&sent[SMB2_TREE_CONNECT_HE]),
++ atomic_read_unchecked(&failed[SMB2_TREE_CONNECT_HE]));
+ seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
+- atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
+- atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
++ atomic_read_unchecked(&sent[SMB2_TREE_DISCONNECT_HE]),
++ atomic_read_unchecked(&failed[SMB2_TREE_DISCONNECT_HE]));
+ seq_printf(m, "\nCreates: %d sent %d failed",
+- atomic_read(&sent[SMB2_CREATE_HE]),
+- atomic_read(&failed[SMB2_CREATE_HE]));
++ atomic_read_unchecked(&sent[SMB2_CREATE_HE]),
++ atomic_read_unchecked(&failed[SMB2_CREATE_HE]));
+ seq_printf(m, "\nCloses: %d sent %d failed",
+- atomic_read(&sent[SMB2_CLOSE_HE]),
+- atomic_read(&failed[SMB2_CLOSE_HE]));
++ atomic_read_unchecked(&sent[SMB2_CLOSE_HE]),
++ atomic_read_unchecked(&failed[SMB2_CLOSE_HE]));
+ seq_printf(m, "\nFlushes: %d sent %d failed",
+- atomic_read(&sent[SMB2_FLUSH_HE]),
+- atomic_read(&failed[SMB2_FLUSH_HE]));
++ atomic_read_unchecked(&sent[SMB2_FLUSH_HE]),
++ atomic_read_unchecked(&failed[SMB2_FLUSH_HE]));
+ seq_printf(m, "\nReads: %d sent %d failed",
+- atomic_read(&sent[SMB2_READ_HE]),
+- atomic_read(&failed[SMB2_READ_HE]));
++ atomic_read_unchecked(&sent[SMB2_READ_HE]),
++ atomic_read_unchecked(&failed[SMB2_READ_HE]));
+ seq_printf(m, "\nWrites: %d sent %d failed",
+- atomic_read(&sent[SMB2_WRITE_HE]),
+- atomic_read(&failed[SMB2_WRITE_HE]));
++ atomic_read_unchecked(&sent[SMB2_WRITE_HE]),
++ atomic_read_unchecked(&failed[SMB2_WRITE_HE]));
+ seq_printf(m, "\nLocks: %d sent %d failed",
+- atomic_read(&sent[SMB2_LOCK_HE]),
+- atomic_read(&failed[SMB2_LOCK_HE]));
++ atomic_read_unchecked(&sent[SMB2_LOCK_HE]),
++ atomic_read_unchecked(&failed[SMB2_LOCK_HE]));
+ seq_printf(m, "\nIOCTLs: %d sent %d failed",
+- atomic_read(&sent[SMB2_IOCTL_HE]),
+- atomic_read(&failed[SMB2_IOCTL_HE]));
++ atomic_read_unchecked(&sent[SMB2_IOCTL_HE]),
++ atomic_read_unchecked(&failed[SMB2_IOCTL_HE]));
+ seq_printf(m, "\nCancels: %d sent %d failed",
+- atomic_read(&sent[SMB2_CANCEL_HE]),
+- atomic_read(&failed[SMB2_CANCEL_HE]));
++ atomic_read_unchecked(&sent[SMB2_CANCEL_HE]),
++ atomic_read_unchecked(&failed[SMB2_CANCEL_HE]));
+ seq_printf(m, "\nEchos: %d sent %d failed",
+- atomic_read(&sent[SMB2_ECHO_HE]),
+- atomic_read(&failed[SMB2_ECHO_HE]));
++ atomic_read_unchecked(&sent[SMB2_ECHO_HE]),
++ atomic_read_unchecked(&failed[SMB2_ECHO_HE]));
+ seq_printf(m, "\nQueryDirectories: %d sent %d failed",
+- atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
+- atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
++ atomic_read_unchecked(&sent[SMB2_QUERY_DIRECTORY_HE]),
++ atomic_read_unchecked(&failed[SMB2_QUERY_DIRECTORY_HE]));
+ seq_printf(m, "\nChangeNotifies: %d sent %d failed",
+- atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
+- atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
++ atomic_read_unchecked(&sent[SMB2_CHANGE_NOTIFY_HE]),
++ atomic_read_unchecked(&failed[SMB2_CHANGE_NOTIFY_HE]));
+ seq_printf(m, "\nQueryInfos: %d sent %d failed",
+- atomic_read(&sent[SMB2_QUERY_INFO_HE]),
+- atomic_read(&failed[SMB2_QUERY_INFO_HE]));
++ atomic_read_unchecked(&sent[SMB2_QUERY_INFO_HE]),
++ atomic_read_unchecked(&failed[SMB2_QUERY_INFO_HE]));
+ seq_printf(m, "\nSetInfos: %d sent %d failed",
+- atomic_read(&sent[SMB2_SET_INFO_HE]),
+- atomic_read(&failed[SMB2_SET_INFO_HE]));
++ atomic_read_unchecked(&sent[SMB2_SET_INFO_HE]),
++ atomic_read_unchecked(&failed[SMB2_SET_INFO_HE]));
+ seq_printf(m, "\nOplockBreaks: %d sent %d failed",
+- atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
+- atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
++ atomic_read_unchecked(&sent[SMB2_OPLOCK_BREAK_HE]),
++ atomic_read_unchecked(&failed[SMB2_OPLOCK_BREAK_HE]));
+ #endif
+ }
+
+diff --git a/fs/coda/cache.c b/fs/coda/cache.c
+index 958ae0e..505c9d0 100644
+--- a/fs/coda/cache.c
++++ b/fs/coda/cache.c
+@@ -24,7 +24,7 @@
+ #include "coda_linux.h"
+ #include "coda_cache.h"
+
+-static atomic_t permission_epoch = ATOMIC_INIT(0);
++static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0);
+
+ /* replace or extend an acl cache hit */
+ void coda_cache_enter(struct inode *inode, int mask)
+@@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inode, int mask)
+ struct coda_inode_info *cii = ITOC(inode);
+
+ spin_lock(&cii->c_lock);
+- cii->c_cached_epoch = atomic_read(&permission_epoch);
++ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch);
+ if (cii->c_uid != current_fsuid()) {
+ cii->c_uid = current_fsuid();
+ cii->c_cached_perm = mask;
+@@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode *inode)
+ {
+ struct coda_inode_info *cii = ITOC(inode);
+ spin_lock(&cii->c_lock);
+- cii->c_cached_epoch = atomic_read(&permission_epoch) - 1;
++ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1;
+ spin_unlock(&cii->c_lock);
+ }
+
+ /* remove all acl caches */
+ void coda_cache_clear_all(struct super_block *sb)
+ {
+- atomic_inc(&permission_epoch);
++ atomic_inc_unchecked(&permission_epoch);
+ }
+
+
+@@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode, int mask)
+ spin_lock(&cii->c_lock);
+ hit = (mask & cii->c_cached_perm) == mask &&
+ cii->c_uid == current_fsuid() &&
+- cii->c_cached_epoch == atomic_read(&permission_epoch);
++ cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch);
+ spin_unlock(&cii->c_lock);
+
+ return hit;
+diff --git a/fs/compat.c b/fs/compat.c
+index 1bdb350..9f28287 100644
+--- a/fs/compat.c
++++ b/fs/compat.c
+@@ -490,7 +490,7 @@ compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p)
+
+ set_fs(KERNEL_DS);
+ /* The __user pointer cast is valid because of the set_fs() */
+- ret = sys_io_setup(nr_reqs, (aio_context_t __user *) &ctx64);
++ ret = sys_io_setup(nr_reqs, (aio_context_t __force_user *) &ctx64);
+ set_fs(oldfs);
+ /* truncating is ok because it's a user address */
+ if (!ret)
+@@ -548,7 +548,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
+ goto out;
+
+ ret = -EINVAL;
+- if (nr_segs > UIO_MAXIOV || nr_segs < 0)
++ if (nr_segs > UIO_MAXIOV)
+ goto out;
+ if (nr_segs > fast_segs) {
+ ret = -ENOMEM;
+@@ -831,6 +831,7 @@ struct compat_old_linux_dirent {
+
+ struct compat_readdir_callback {
+ struct compat_old_linux_dirent __user *dirent;
++ struct file * file;
+ int result;
+ };
+
+@@ -848,6 +849,10 @@ static int compat_fillonedir(void *__buf, const char *name, int namlen,
+ buf->result = -EOVERFLOW;
+ return -EOVERFLOW;
+ }
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ buf->result++;
+ dirent = buf->dirent;
+ if (!access_ok(VERIFY_WRITE, dirent,
+@@ -880,6 +885,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
+
+ buf.result = 0;
+ buf.dirent = dirent;
++ buf.file = file;
+
+ error = vfs_readdir(file, compat_fillonedir, &buf);
+ if (buf.result)
+@@ -899,6 +905,7 @@ struct compat_linux_dirent {
+ struct compat_getdents_callback {
+ struct compat_linux_dirent __user *current_dir;
+ struct compat_linux_dirent __user *previous;
++ struct file * file;
+ int count;
+ int error;
+ };
+@@ -920,6 +927,10 @@ static int compat_filldir(void *__buf, const char *name, int namlen,
+ buf->error = -EOVERFLOW;
+ return -EOVERFLOW;
+ }
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ dirent = buf->previous;
+ if (dirent) {
+ if (__put_user(offset, &dirent->d_off))
+@@ -966,6 +977,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
+ buf.previous = NULL;
+ buf.count = count;
+ buf.error = 0;
++ buf.file = file;
+
+ error = vfs_readdir(file, compat_filldir, &buf);
+ if (error >= 0)
+@@ -986,6 +998,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
+ struct compat_getdents_callback64 {
+ struct linux_dirent64 __user *current_dir;
+ struct linux_dirent64 __user *previous;
++ struct file * file;
+ int count;
+ int error;
+ };
+@@ -1002,6 +1015,10 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t
+ buf->error = -EINVAL; /* only used if we fail.. */
+ if (reclen > buf->count)
+ return -EINVAL;
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ dirent = buf->previous;
+
+ if (dirent) {
+@@ -1052,13 +1069,14 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
+ buf.previous = NULL;
+ buf.count = count;
+ buf.error = 0;
++ buf.file = file;
+
+ error = vfs_readdir(file, compat_filldir64, &buf);
+ if (error >= 0)
+ error = buf.error;
+ lastdirent = buf.previous;
+ if (lastdirent) {
+- typeof(lastdirent->d_off) d_off = file->f_pos;
++ typeof(((struct linux_dirent64 *)0)->d_off) d_off = file->f_pos;
+ if (__put_user_unaligned(d_off, &lastdirent->d_off))
+ error = -EFAULT;
+ else
+diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
+index 112e45a..b59845b 100644
+--- a/fs/compat_binfmt_elf.c
++++ b/fs/compat_binfmt_elf.c
+@@ -30,11 +30,13 @@
+ #undef elf_phdr
+ #undef elf_shdr
+ #undef elf_note
++#undef elf_dyn
+ #undef elf_addr_t
+ #define elfhdr elf32_hdr
+ #define elf_phdr elf32_phdr
+ #define elf_shdr elf32_shdr
+ #define elf_note elf32_note
++#define elf_dyn Elf32_Dyn
+ #define elf_addr_t Elf32_Addr
+
+ /*
+diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
+index 5d2069f..75d31d4 100644
+--- a/fs/compat_ioctl.c
++++ b/fs/compat_ioctl.c
+@@ -623,7 +623,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
+ return -EFAULT;
+ if (__get_user(udata, &ss32->iomem_base))
+ return -EFAULT;
+- ss.iomem_base = compat_ptr(udata);
++ ss.iomem_base = (unsigned char __force_kernel *)compat_ptr(udata);
+ if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
+ __get_user(ss.port_high, &ss32->port_high))
+ return -EFAULT;
+@@ -798,7 +798,7 @@ static int compat_ioctl_preallocate(struct file *file,
+ copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
+ copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
+ copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
+- copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
++ copy_in_user(p->l_pad, &p32->l_pad, 4*sizeof(u32)))
+ return -EFAULT;
+
+ return ioctl_preallocate(file, p);
+@@ -1612,8 +1612,8 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
+ static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
+ {
+ unsigned int a, b;
+- a = *(unsigned int *)p;
+- b = *(unsigned int *)q;
++ a = *(const unsigned int *)p;
++ b = *(const unsigned int *)q;
+ if (a > b)
+ return 1;
+ if (a < b)
+diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
+index 7414ae2..d98ad6d 100644
+--- a/fs/configfs/dir.c
++++ b/fs/configfs/dir.c
+@@ -1564,7 +1564,8 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir
+ }
+ for (p=q->next; p!= &parent_sd->s_children; p=p->next) {
+ struct configfs_dirent *next;
+- const char * name;
++ const unsigned char * name;
++ char d_name[sizeof(next->s_dentry->d_iname)];
+ int len;
+ struct inode *inode = NULL;
+
+@@ -1574,7 +1575,12 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir
+ continue;
+
+ name = configfs_get_name(next);
+- len = strlen(name);
++ if (next->s_dentry && name == next->s_dentry->d_iname) {
++ len = next->s_dentry->d_name.len;
++ memcpy(d_name, name, len);
++ name = d_name;
++ } else
++ len = strlen(name);
+
+ /*
+ * We'll have a dentry and an inode for
+diff --git a/fs/dcache.c b/fs/dcache.c
+index 693f95b..95f1223 100644
+--- a/fs/dcache.c
++++ b/fs/dcache.c
+@@ -3164,7 +3164,7 @@ void __init vfs_caches_init(unsigned long mempages)
+ mempages -= reserve;
+
+ names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0,
+- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY, NULL);
+
+ dcache_init();
+ inode_init();
+diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
+index 4733eab..71ef6fa 100644
+--- a/fs/debugfs/inode.c
++++ b/fs/debugfs/inode.c
+@@ -406,7 +406,11 @@ EXPORT_SYMBOL_GPL(debugfs_create_file);
+ */
+ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
+ {
++#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
++ return __create_file(name, S_IFDIR | S_IRWXU,
++#else
+ return __create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
++#endif
+ parent, NULL, NULL);
+ }
+ EXPORT_SYMBOL_GPL(debugfs_create_dir);
+diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
+index cc7709e..7e7211f 100644
+--- a/fs/ecryptfs/inode.c
++++ b/fs/ecryptfs/inode.c
+@@ -674,7 +674,7 @@ static int ecryptfs_readlink_lower(struct dentry *dentry, char **buf,
+ old_fs = get_fs();
+ set_fs(get_ds());
+ rc = lower_dentry->d_inode->i_op->readlink(lower_dentry,
+- (char __user *)lower_buf,
++ (char __force_user *)lower_buf,
+ PATH_MAX);
+ set_fs(old_fs);
+ if (rc < 0)
+@@ -706,7 +706,7 @@ out:
+ static void
+ ecryptfs_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr)
+ {
+- char *buf = nd_get_link(nd);
++ const char *buf = nd_get_link(nd);
+ if (!IS_ERR(buf)) {
+ /* Free the char* */
+ kfree(buf);
+diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
+index 412e6ed..4292d22 100644
+--- a/fs/ecryptfs/miscdev.c
++++ b/fs/ecryptfs/miscdev.c
+@@ -315,7 +315,7 @@ check_list:
+ goto out_unlock_msg_ctx;
+ i = PKT_TYPE_SIZE + PKT_CTR_SIZE;
+ if (msg_ctx->msg) {
+- if (copy_to_user(&buf[i], packet_length, packet_length_size))
++ if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size))
+ goto out_unlock_msg_ctx;
+ i += packet_length_size;
+ if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size))
+diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
+index b2a34a1..162fa69 100644
+--- a/fs/ecryptfs/read_write.c
++++ b/fs/ecryptfs/read_write.c
+@@ -48,7 +48,7 @@ int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
+ return -EIO;
+ fs_save = get_fs();
+ set_fs(get_ds());
+- rc = vfs_write(lower_file, data, size, &offset);
++ rc = vfs_write(lower_file, (const char __force_user *)data, size, &offset);
+ set_fs(fs_save);
+ mark_inode_dirty_sync(ecryptfs_inode);
+ return rc;
+@@ -244,7 +244,7 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
+ return -EIO;
+ fs_save = get_fs();
+ set_fs(get_ds());
+- rc = vfs_read(lower_file, data, size, &offset);
++ rc = vfs_read(lower_file, (char __force_user *)data, size, &offset);
+ set_fs(fs_save);
+ return rc;
+ }
+diff --git a/fs/exec.c b/fs/exec.c
+index fab2c6d..4fa20c0 100644
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -55,6 +55,15 @@
+ #include <linux/pipe_fs_i.h>
+ #include <linux/oom.h>
+ #include <linux/compat.h>
++#include <linux/random.h>
++#include <linux/seq_file.h>
++
++#ifdef CONFIG_PAX_REFCOUNT
++#include <linux/kallsyms.h>
++#include <linux/kdebug.h>
++#endif
++
++#include <trace/events/fs.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/mmu_context.h>
+@@ -66,6 +75,18 @@
+
+ #include <trace/events/sched.h>
+
++#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
++void __weak pax_set_initial_flags(struct linux_binprm *bprm)
++{
++ WARN_ONCE(1, "PAX: PAX_HAVE_ACL_FLAGS was enabled without providing the pax_set_initial_flags callback, this is probably not what you wanted.\n");
++}
++#endif
++
++#ifdef CONFIG_PAX_HOOK_ACL_FLAGS
++void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
++EXPORT_SYMBOL(pax_set_initial_flags_func);
++#endif
++
+ int core_uses_pid;
+ char core_pattern[CORENAME_MAX_SIZE] = "core";
+ unsigned int core_pipe_limit;
+@@ -75,7 +96,7 @@ struct core_name {
+ char *corename;
+ int used, size;
+ };
+-static atomic_t call_count = ATOMIC_INIT(1);
++static atomic_unchecked_t call_count = ATOMIC_INIT(1);
+
+ /* The maximal length of core_pattern is also specified in sysctl.c */
+
+@@ -191,18 +212,10 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+ int write)
+ {
+ struct page *page;
+- int ret;
+
+-#ifdef CONFIG_STACK_GROWSUP
+- if (write) {
+- ret = expand_downwards(bprm->vma, pos);
+- if (ret < 0)
+- return NULL;
+- }
+-#endif
+- ret = get_user_pages(current, bprm->mm, pos,
+- 1, write, 1, &page, NULL);
+- if (ret <= 0)
++ if (0 > expand_downwards(bprm->vma, pos))
++ return NULL;
++ if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL))
+ return NULL;
+
+ if (write) {
+@@ -218,6 +231,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+ if (size <= ARG_MAX)
+ return page;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ // only allow 512KB for argv+env on suid/sgid binaries
++ // to prevent easy ASLR exhaustion
++ if (((bprm->cred->euid != current_euid()) ||
++ (bprm->cred->egid != current_egid())) &&
++ (size > (512 * 1024))) {
++ put_page(page);
++ return NULL;
++ }
++#endif
++
+ /*
+ * Limit to 1/4-th the stack size for the argv+env strings.
+ * This ensures that:
+@@ -277,6 +301,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
+ vma->vm_end = STACK_TOP_MAX;
+ vma->vm_start = vma->vm_end - PAGE_SIZE;
+ vma->vm_flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
++#endif
++
+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+ INIT_LIST_HEAD(&vma->anon_vma_chain);
+
+@@ -287,6 +316,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
+ mm->stack_vm = mm->total_vm = 1;
+ up_write(&mm->mmap_sem);
+ bprm->p = vma->vm_end - sizeof(void *);
++
++#ifdef CONFIG_PAX_RANDUSTACK
++ if (randomize_va_space)
++ bprm->p ^= random32() & ~PAGE_MASK;
++#endif
++
+ return 0;
+ err:
+ up_write(&mm->mmap_sem);
+@@ -395,19 +430,7 @@ err:
+ return err;
+ }
+
+-struct user_arg_ptr {
+-#ifdef CONFIG_COMPAT
+- bool is_compat;
+-#endif
+- union {
+- const char __user *const __user *native;
+-#ifdef CONFIG_COMPAT
+- compat_uptr_t __user *compat;
+-#endif
+- } ptr;
+-};
+-
+-static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
++const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
+ {
+ const char __user *native;
+
+@@ -416,14 +439,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
+ compat_uptr_t compat;
+
+ if (get_user(compat, argv.ptr.compat + nr))
+- return ERR_PTR(-EFAULT);
++ return (const char __force_user *)ERR_PTR(-EFAULT);
+
+ return compat_ptr(compat);
+ }
+ #endif
+
+ if (get_user(native, argv.ptr.native + nr))
+- return ERR_PTR(-EFAULT);
++ return (const char __force_user *)ERR_PTR(-EFAULT);
+
+ return native;
+ }
+@@ -442,7 +465,7 @@ static int count(struct user_arg_ptr argv, int max)
+ if (!p)
+ break;
+
+- if (IS_ERR(p))
++ if (IS_ERR((const char __force_kernel *)p))
+ return -EFAULT;
+
+ if (i++ >= max)
+@@ -476,7 +499,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
+
+ ret = -EFAULT;
+ str = get_user_arg_ptr(argv, argc);
+- if (IS_ERR(str))
++ if (IS_ERR((const char __force_kernel *)str))
+ goto out;
+
+ len = strnlen_user(str, MAX_ARG_STRLEN);
+@@ -558,7 +581,7 @@ int copy_strings_kernel(int argc, const char *const *__argv,
+ int r;
+ mm_segment_t oldfs = get_fs();
+ struct user_arg_ptr argv = {
+- .ptr.native = (const char __user *const __user *)__argv,
++ .ptr.native = (const char __force_user *const __force_user *)__argv,
+ };
+
+ set_fs(KERNEL_DS);
+@@ -593,7 +616,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
+ unsigned long new_end = old_end - shift;
+ struct mmu_gather tlb;
+
+- BUG_ON(new_start > new_end);
++ if (new_start >= new_end || new_start < mmap_min_addr)
++ return -ENOMEM;
+
+ /*
+ * ensure there are no vmas between where we want to go
+@@ -602,6 +626,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
+ if (vma != find_vma(mm, new_start))
+ return -EFAULT;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ BUG_ON(pax_find_mirror_vma(vma));
++#endif
++
+ /*
+ * cover the whole range: [new_start, old_end)
+ */
+@@ -682,10 +710,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
+ stack_top = arch_align_stack(stack_top);
+ stack_top = PAGE_ALIGN(stack_top);
+
+- if (unlikely(stack_top < mmap_min_addr) ||
+- unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr))
+- return -ENOMEM;
+-
+ stack_shift = vma->vm_end - stack_top;
+
+ bprm->p -= stack_shift;
+@@ -697,8 +721,28 @@ int setup_arg_pages(struct linux_binprm *bprm,
+ bprm->exec -= stack_shift;
+
+ down_write(&mm->mmap_sem);
++
++ /* Move stack pages down in memory. */
++ if (stack_shift) {
++ ret = shift_arg_pages(vma, stack_shift);
++ if (ret)
++ goto out_unlock;
++ }
++
+ vm_flags = VM_STACK_FLAGS;
+
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
++ vm_flags &= ~VM_EXEC;
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (mm->pax_flags & MF_PAX_MPROTECT)
++ vm_flags &= ~VM_MAYEXEC;
++#endif
++
++ }
++#endif
++
+ /*
+ * Adjust stack execute permissions; explicitly enable for
+ * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone
+@@ -717,13 +761,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
+ goto out_unlock;
+ BUG_ON(prev != vma);
+
+- /* Move stack pages down in memory. */
+- if (stack_shift) {
+- ret = shift_arg_pages(vma, stack_shift);
+- if (ret)
+- goto out_unlock;
+- }
+-
+ /* mprotect_fixup is overkill to remove the temporary stack flags */
+ vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
+
+@@ -781,6 +818,8 @@ struct file *open_exec(const char *name)
+
+ fsnotify_open(file);
+
++ trace_open_exec(name);
++
+ err = deny_write_access(file);
+ if (err)
+ goto exit;
+@@ -804,7 +843,7 @@ int kernel_read(struct file *file, loff_t offset,
+ old_fs = get_fs();
+ set_fs(get_ds());
+ /* The cast to a user pointer is valid due to the set_fs() */
+- result = vfs_read(file, (void __user *)addr, count, &pos);
++ result = vfs_read(file, (void __force_user *)addr, count, &pos);
+ set_fs(old_fs);
+ return result;
+ }
+@@ -1258,7 +1297,7 @@ static int check_unsafe_exec(struct linux_binprm *bprm)
+ }
+ rcu_read_unlock();
+
+- if (p->fs->users > n_fs) {
++ if (atomic_read(&p->fs->users) > n_fs) {
+ bprm->unsafe |= LSM_UNSAFE_SHARE;
+ } else {
+ res = -EAGAIN;
+@@ -1461,6 +1500,28 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
+
+ EXPORT_SYMBOL(search_binary_handler);
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++static DEFINE_PER_CPU(u64, exec_counter);
++static int __init init_exec_counters(void)
++{
++ unsigned int cpu;
++
++ for_each_possible_cpu(cpu) {
++ per_cpu(exec_counter, cpu) = (u64)cpu;
++ }
++
++ return 0;
++}
++early_initcall(init_exec_counters);
++static inline void increment_exec_counter(void)
++{
++ BUILD_BUG_ON(NR_CPUS > (1 << 16));
++ current->exec_id = this_cpu_add_return(exec_counter, 1 << 16);
++}
++#else
++static inline void increment_exec_counter(void) {}
++#endif
++
+ /*
+ * sys_execve() executes a new program.
+ */
+@@ -1469,6 +1530,11 @@ static int do_execve_common(const char *filename,
+ struct user_arg_ptr envp,
+ struct pt_regs *regs)
+ {
++#ifdef CONFIG_GRKERNSEC
++ struct file *old_exec_file;
++ struct acl_subject_label *old_acl;
++ struct rlimit old_rlim[RLIM_NLIMITS];
++#endif
+ struct linux_binprm *bprm;
+ struct file *file;
+ struct files_struct *displaced;
+@@ -1476,6 +1542,8 @@ static int do_execve_common(const char *filename,
+ int retval;
+ const struct cred *cred = current_cred();
+
++ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(¤t->cred->user->processes), 1);
++
+ /*
+ * We move the actual failure in case of RLIMIT_NPROC excess from
+ * set*uid() to execve() because too many poorly written programs
+@@ -1516,12 +1584,27 @@ static int do_execve_common(const char *filename,
+ if (IS_ERR(file))
+ goto out_unmark;
+
++ if (gr_ptrace_readexec(file, bprm->unsafe)) {
++ retval = -EPERM;
++ goto out_file;
++ }
++
+ sched_exec();
+
+ bprm->file = file;
+ bprm->filename = filename;
+ bprm->interp = filename;
+
++ if (gr_process_user_ban()) {
++ retval = -EPERM;
++ goto out_file;
++ }
++
++ if (!gr_acl_handle_execve(file->f_dentry, file->f_vfsmnt)) {
++ retval = -EACCES;
++ goto out_file;
++ }
++
+ retval = bprm_mm_init(bprm);
+ if (retval)
+ goto out_file;
+@@ -1538,24 +1621,65 @@ static int do_execve_common(const char *filename,
+ if (retval < 0)
+ goto out;
+
++#ifdef CONFIG_GRKERNSEC
++ old_acl = current->acl;
++ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim));
++ old_exec_file = current->exec_file;
++ get_file(file);
++ current->exec_file = file;
++#endif
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ /* limit suid stack to 8MB
++ we saved the old limits above and will restore them if this exec fails
++ */
++ if (((bprm->cred->euid != current_euid()) || (bprm->cred->egid != current_egid())) &&
++ (old_rlim[RLIMIT_STACK].rlim_cur > (8 * 1024 * 1024)))
++ current->signal->rlim[RLIMIT_STACK].rlim_cur = 8 * 1024 * 1024;
++#endif
++
++ if (!gr_tpe_allow(file)) {
++ retval = -EACCES;
++ goto out_fail;
++ }
++
++ if (gr_check_crash_exec(file)) {
++ retval = -EACCES;
++ goto out_fail;
++ }
++
++ retval = gr_set_proc_label(file->f_dentry, file->f_vfsmnt,
++ bprm->unsafe);
++ if (retval < 0)
++ goto out_fail;
++
+ retval = copy_strings_kernel(1, &bprm->filename, bprm);
+ if (retval < 0)
+- goto out;
++ goto out_fail;
+
+ bprm->exec = bprm->p;
+ retval = copy_strings(bprm->envc, envp, bprm);
+ if (retval < 0)
+- goto out;
++ goto out_fail;
+
+ retval = copy_strings(bprm->argc, argv, bprm);
+ if (retval < 0)
+- goto out;
++ goto out_fail;
++
++ gr_log_chroot_exec(file->f_dentry, file->f_vfsmnt);
++
++ gr_handle_exec_args(bprm, argv);
+
+ retval = search_binary_handler(bprm,regs);
+ if (retval < 0)
+- goto out;
++ goto out_fail;
++#ifdef CONFIG_GRKERNSEC
++ if (old_exec_file)
++ fput(old_exec_file);
++#endif
+
+ /* execve succeeded */
++
++ increment_exec_counter();
+ current->fs->in_exec = 0;
+ current->in_execve = 0;
+ acct_update_integrals(current);
+@@ -1564,6 +1688,14 @@ static int do_execve_common(const char *filename,
+ put_files_struct(displaced);
+ return retval;
+
++out_fail:
++#ifdef CONFIG_GRKERNSEC
++ current->acl = old_acl;
++ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim));
++ fput(current->exec_file);
++ current->exec_file = old_exec_file;
++#endif
++
+ out:
+ if (bprm->mm) {
+ acct_arg_size(bprm, 0);
+@@ -1637,7 +1769,7 @@ static int expand_corename(struct core_name *cn)
+ {
+ char *old_corename = cn->corename;
+
+- cn->size = CORENAME_MAX_SIZE * atomic_inc_return(&call_count);
++ cn->size = CORENAME_MAX_SIZE * atomic_inc_return_unchecked(&call_count);
+ cn->corename = krealloc(old_corename, cn->size, GFP_KERNEL);
+
+ if (!cn->corename) {
+@@ -1734,7 +1866,7 @@ static int format_corename(struct core_name *cn, long signr)
+ int pid_in_pattern = 0;
+ int err = 0;
+
+- cn->size = CORENAME_MAX_SIZE * atomic_read(&call_count);
++ cn->size = CORENAME_MAX_SIZE * atomic_read_unchecked(&call_count);
+ cn->corename = kmalloc(cn->size, GFP_KERNEL);
+ cn->used = 0;
+
+@@ -1831,6 +1963,250 @@ out:
+ return ispipe;
+ }
+
++int pax_check_flags(unsigned long *flags)
++{
++ int retval = 0;
++
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC)
++ if (*flags & MF_PAX_SEGMEXEC)
++ {
++ *flags &= ~MF_PAX_SEGMEXEC;
++ retval = -EINVAL;
++ }
++#endif
++
++ if ((*flags & MF_PAX_PAGEEXEC)
++
++#ifdef CONFIG_PAX_PAGEEXEC
++ && (*flags & MF_PAX_SEGMEXEC)
++#endif
++
++ )
++ {
++ *flags &= ~MF_PAX_PAGEEXEC;
++ retval = -EINVAL;
++ }
++
++ if ((*flags & MF_PAX_MPROTECT)
++
++#ifdef CONFIG_PAX_MPROTECT
++ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
++#endif
++
++ )
++ {
++ *flags &= ~MF_PAX_MPROTECT;
++ retval = -EINVAL;
++ }
++
++ if ((*flags & MF_PAX_EMUTRAMP)
++
++#ifdef CONFIG_PAX_EMUTRAMP
++ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
++#endif
++
++ )
++ {
++ *flags &= ~MF_PAX_EMUTRAMP;
++ retval = -EINVAL;
++ }
++
++ return retval;
++}
++
++EXPORT_SYMBOL(pax_check_flags);
++
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++void pax_report_fault(struct pt_regs *regs, void *pc, void *sp)
++{
++ struct task_struct *tsk = current;
++ struct mm_struct *mm = current->mm;
++ char *buffer_exec = (char *)__get_free_page(GFP_KERNEL);
++ char *buffer_fault = (char *)__get_free_page(GFP_KERNEL);
++ char *path_exec = NULL;
++ char *path_fault = NULL;
++ unsigned long start = 0UL, end = 0UL, offset = 0UL;
++
++ if (buffer_exec && buffer_fault) {
++ struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL;
++
++ down_read(&mm->mmap_sem);
++ vma = mm->mmap;
++ while (vma && (!vma_exec || !vma_fault)) {
++ if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file)
++ vma_exec = vma;
++ if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end)
++ vma_fault = vma;
++ vma = vma->vm_next;
++ }
++ if (vma_exec) {
++ path_exec = d_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE);
++ if (IS_ERR(path_exec))
++ path_exec = "<path too long>";
++ else {
++ path_exec = mangle_path(buffer_exec, path_exec, "\t\n\\");
++ if (path_exec) {
++ *path_exec = 0;
++ path_exec = buffer_exec;
++ } else
++ path_exec = "<path too long>";
++ }
++ }
++ if (vma_fault) {
++ start = vma_fault->vm_start;
++ end = vma_fault->vm_end;
++ offset = vma_fault->vm_pgoff << PAGE_SHIFT;
++ if (vma_fault->vm_file) {
++ path_fault = d_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE);
++ if (IS_ERR(path_fault))
++ path_fault = "<path too long>";
++ else {
++ path_fault = mangle_path(buffer_fault, path_fault, "\t\n\\");
++ if (path_fault) {
++ *path_fault = 0;
++ path_fault = buffer_fault;
++ } else
++ path_fault = "<path too long>";
++ }
++ } else
++ path_fault = "<anonymous mapping>";
++ }
++ up_read(&mm->mmap_sem);
++ }
++ if (tsk->signal->curr_ip)
++ printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset);
++ else
++ printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset);
++ printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, "
++ "PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk),
++ task_uid(tsk), task_euid(tsk), pc, sp);
++ free_page((unsigned long)buffer_exec);
++ free_page((unsigned long)buffer_fault);
++ pax_report_insns(regs, pc, sp);
++ do_coredump(SIGKILL, SIGKILL, regs);
++}
++#endif
++
++#ifdef CONFIG_PAX_REFCOUNT
++void pax_report_refcount_overflow(struct pt_regs *regs)
++{
++ if (current->signal->curr_ip)
++ printk(KERN_ERR "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
++ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid());
++ else
++ printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
++ current->comm, task_pid_nr(current), current_uid(), current_euid());
++ print_symbol(KERN_ERR "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs));
++ show_regs(regs);
++ force_sig_info(SIGKILL, SEND_SIG_FORCED, current);
++}
++#endif
++
++#ifdef CONFIG_PAX_USERCOPY
++/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */
++static noinline int check_stack_object(const void *obj, unsigned long len)
++{
++ const void * const stack = task_stack_page(current);
++ const void * const stackend = stack + THREAD_SIZE;
++
++#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
++ const void *frame = NULL;
++ const void *oldframe;
++#endif
++
++ if (obj + len < obj)
++ return -1;
++
++ if (obj + len <= stack || stackend <= obj)
++ return 0;
++
++ if (obj < stack || stackend < obj + len)
++ return -1;
++
++#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
++ oldframe = __builtin_frame_address(1);
++ if (oldframe)
++ frame = __builtin_frame_address(2);
++ /*
++ low ----------------------------------------------> high
++ [saved bp][saved ip][args][local vars][saved bp][saved ip]
++ ^----------------^
++ allow copies only within here
++ */
++ while (stack <= frame && frame < stackend) {
++ /* if obj + len extends past the last frame, this
++ check won't pass and the next frame will be 0,
++ causing us to bail out and correctly report
++ the copy as invalid
++ */
++ if (obj + len <= frame)
++ return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1;
++ oldframe = frame;
++ frame = *(const void * const *)frame;
++ }
++ return -1;
++#else
++ return 1;
++#endif
++}
++
++static __noreturn void pax_report_usercopy(const void *ptr, unsigned long len, bool to, const char *type)
++{
++ if (current->signal->curr_ip)
++ printk(KERN_ERR "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
++ ¤t->signal->curr_ip, to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len);
++ else
++ printk(KERN_ERR "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
++ to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len);
++ dump_stack();
++ gr_handle_kernel_exploit();
++ do_group_exit(SIGKILL);
++}
++#endif
++
++void check_object_size(const void *ptr, unsigned long n, bool to)
++{
++
++#ifdef CONFIG_PAX_USERCOPY
++ const char *type;
++
++ if (!n)
++ return;
++
++ type = check_heap_object(ptr, n, to);
++ if (!type) {
++ if (check_stack_object(ptr, n) != -1)
++ return;
++ type = "<process stack>";
++ }
++
++ pax_report_usercopy(ptr, n, to, type);
++#endif
++
++}
++EXPORT_SYMBOL(check_object_size);
++
++#ifdef CONFIG_PAX_MEMORY_STACKLEAK
++void pax_track_stack(void)
++{
++ unsigned long sp = (unsigned long)&sp;
++ if (sp < current_thread_info()->lowest_stack &&
++ sp > (unsigned long)task_stack_page(current))
++ current_thread_info()->lowest_stack = sp;
++}
++EXPORT_SYMBOL(pax_track_stack);
++#endif
++
++#ifdef CONFIG_PAX_SIZE_OVERFLOW
++void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
++{
++ printk(KERN_ERR "PAX: size overflow detected in function %s %s:%u %s", func, file, line, ssa_name);
++ dump_stack();
++ do_group_exit(SIGKILL);
++}
++EXPORT_SYMBOL(report_size_overflow);
++#endif
++
+ static int zap_process(struct task_struct *start, int exit_code)
+ {
+ struct task_struct *t;
+@@ -2041,17 +2417,17 @@ static void wait_for_dump_helpers(struct file *file)
+ pipe = file->f_path.dentry->d_inode->i_pipe;
+
+ pipe_lock(pipe);
+- pipe->readers++;
+- pipe->writers--;
++ atomic_inc(&pipe->readers);
++ atomic_dec(&pipe->writers);
+
+- while ((pipe->readers > 1) && (!signal_pending(current))) {
++ while ((atomic_read(&pipe->readers) > 1) && (!signal_pending(current))) {
+ wake_up_interruptible_sync(&pipe->wait);
+ kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ pipe_wait(pipe);
+ }
+
+- pipe->readers--;
+- pipe->writers++;
++ atomic_dec(&pipe->readers);
++ atomic_inc(&pipe->writers);
+ pipe_unlock(pipe);
+
+ }
+@@ -2106,7 +2482,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+ int flag = 0;
+ int ispipe;
+ bool need_nonrelative = false;
+- static atomic_t core_dump_count = ATOMIC_INIT(0);
++ static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0);
+ struct coredump_params cprm = {
+ .signr = signr,
+ .regs = regs,
+@@ -2121,6 +2497,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+
+ audit_core_dumps(signr);
+
++ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL)
++ gr_handle_brute_attach(current, cprm.mm_flags);
++
+ binfmt = mm->binfmt;
+ if (!binfmt || !binfmt->core_dump)
+ goto fail;
+@@ -2191,7 +2570,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+ }
+ cprm.limit = RLIM_INFINITY;
+
+- dump_count = atomic_inc_return(&core_dump_count);
++ dump_count = atomic_inc_return_unchecked(&core_dump_count);
+ if (core_pipe_limit && (core_pipe_limit < dump_count)) {
+ printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n",
+ task_tgid_vnr(current), current->comm);
+@@ -2218,6 +2597,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+ } else {
+ struct inode *inode;
+
++ gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1);
++
+ if (cprm.limit < binfmt->min_coredump)
+ goto fail_unlock;
+
+@@ -2269,7 +2650,7 @@ close_fail:
+ filp_close(cprm.file, NULL);
+ fail_dropcount:
+ if (ispipe)
+- atomic_dec(&core_dump_count);
++ atomic_dec_unchecked(&core_dump_count);
+ fail_unlock:
+ kfree(cn.corename);
+ fail_corename:
+@@ -2288,7 +2669,7 @@ fail:
+ */
+ int dump_write(struct file *file, const void *addr, int nr)
+ {
+- return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, addr, nr, &file->f_pos) == nr;
++ return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, (const char __force_user *)addr, nr, &file->f_pos) == nr;
+ }
+ EXPORT_SYMBOL(dump_write);
+
+diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
+index 376aa77..59a129c 100644
+--- a/fs/ext2/balloc.c
++++ b/fs/ext2/balloc.c
+@@ -1190,10 +1190,10 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
+
+ free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
+ root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
+- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
++ if (free_blocks < root_blocks + 1 &&
+ !uid_eq(sbi->s_resuid, current_fsuid()) &&
+ (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
+- !in_group_p (sbi->s_resgid))) {
++ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
+ return 0;
+ }
+ return 1;
+diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
+index 90d901f..159975f 100644
+--- a/fs/ext3/balloc.c
++++ b/fs/ext3/balloc.c
+@@ -1438,10 +1438,10 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi, int use_reservation)
+
+ free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
+ root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
+- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
++ if (free_blocks < root_blocks + 1 &&
+ !use_reservation && !uid_eq(sbi->s_resuid, current_fsuid()) &&
+ (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
+- !in_group_p (sbi->s_resgid))) {
++ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
+ return 0;
+ }
+ return 1;
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index cf18217..8f6b9c3 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -498,8 +498,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
+ /* Hm, nope. Are (enough) root reserved clusters available? */
+ if (uid_eq(sbi->s_resuid, current_fsuid()) ||
+ (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) ||
+- capable(CAP_SYS_RESOURCE) ||
+- (flags & EXT4_MB_USE_ROOT_BLOCKS)) {
++ (flags & EXT4_MB_USE_ROOT_BLOCKS) ||
++ capable_nolog(CAP_SYS_RESOURCE)) {
+
+ if (free_clusters >= (nclusters + dirty_clusters))
+ return 1;
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index 5c69f2b..05dec7f 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -1248,19 +1248,19 @@ struct ext4_sb_info {
+ unsigned long s_mb_last_start;
+
+ /* stats for buddy allocator */
+- atomic_t s_bal_reqs; /* number of reqs with len > 1 */
+- atomic_t s_bal_success; /* we found long enough chunks */
+- atomic_t s_bal_allocated; /* in blocks */
+- atomic_t s_bal_ex_scanned; /* total extents scanned */
+- atomic_t s_bal_goals; /* goal hits */
+- atomic_t s_bal_breaks; /* too long searches */
+- atomic_t s_bal_2orders; /* 2^order hits */
++ atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */
++ atomic_unchecked_t s_bal_success; /* we found long enough chunks */
++ atomic_unchecked_t s_bal_allocated; /* in blocks */
++ atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */
++ atomic_unchecked_t s_bal_goals; /* goal hits */
++ atomic_unchecked_t s_bal_breaks; /* too long searches */
++ atomic_unchecked_t s_bal_2orders; /* 2^order hits */
+ spinlock_t s_bal_lock;
+ unsigned long s_mb_buddies_generated;
+ unsigned long long s_mb_generation_time;
+- atomic_t s_mb_lost_chunks;
+- atomic_t s_mb_preallocated;
+- atomic_t s_mb_discarded;
++ atomic_unchecked_t s_mb_lost_chunks;
++ atomic_unchecked_t s_mb_preallocated;
++ atomic_unchecked_t s_mb_discarded;
+ atomic_t s_lock_busy;
+
+ /* locality groups */
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index b26410c..7383d90 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -1746,7 +1746,7 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac,
+ BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len);
+
+ if (EXT4_SB(sb)->s_mb_stats)
+- atomic_inc(&EXT4_SB(sb)->s_bal_2orders);
++ atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders);
+
+ break;
+ }
+@@ -2040,7 +2040,7 @@ repeat:
+ ac->ac_status = AC_STATUS_CONTINUE;
+ ac->ac_flags |= EXT4_MB_HINT_FIRST;
+ cr = 3;
+- atomic_inc(&sbi->s_mb_lost_chunks);
++ atomic_inc_unchecked(&sbi->s_mb_lost_chunks);
+ goto repeat;
+ }
+ }
+@@ -2551,25 +2551,25 @@ int ext4_mb_release(struct super_block *sb)
+ if (sbi->s_mb_stats) {
+ ext4_msg(sb, KERN_INFO,
+ "mballoc: %u blocks %u reqs (%u success)",
+- atomic_read(&sbi->s_bal_allocated),
+- atomic_read(&sbi->s_bal_reqs),
+- atomic_read(&sbi->s_bal_success));
++ atomic_read_unchecked(&sbi->s_bal_allocated),
++ atomic_read_unchecked(&sbi->s_bal_reqs),
++ atomic_read_unchecked(&sbi->s_bal_success));
+ ext4_msg(sb, KERN_INFO,
+ "mballoc: %u extents scanned, %u goal hits, "
+ "%u 2^N hits, %u breaks, %u lost",
+- atomic_read(&sbi->s_bal_ex_scanned),
+- atomic_read(&sbi->s_bal_goals),
+- atomic_read(&sbi->s_bal_2orders),
+- atomic_read(&sbi->s_bal_breaks),
+- atomic_read(&sbi->s_mb_lost_chunks));
++ atomic_read_unchecked(&sbi->s_bal_ex_scanned),
++ atomic_read_unchecked(&sbi->s_bal_goals),
++ atomic_read_unchecked(&sbi->s_bal_2orders),
++ atomic_read_unchecked(&sbi->s_bal_breaks),
++ atomic_read_unchecked(&sbi->s_mb_lost_chunks));
+ ext4_msg(sb, KERN_INFO,
+ "mballoc: %lu generated and it took %Lu",
+ sbi->s_mb_buddies_generated,
+ sbi->s_mb_generation_time);
+ ext4_msg(sb, KERN_INFO,
+ "mballoc: %u preallocated, %u discarded",
+- atomic_read(&sbi->s_mb_preallocated),
+- atomic_read(&sbi->s_mb_discarded));
++ atomic_read_unchecked(&sbi->s_mb_preallocated),
++ atomic_read_unchecked(&sbi->s_mb_discarded));
+ }
+
+ free_percpu(sbi->s_locality_groups);
+@@ -3051,16 +3051,16 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac)
+ struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
+
+ if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {
+- atomic_inc(&sbi->s_bal_reqs);
+- atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
++ atomic_inc_unchecked(&sbi->s_bal_reqs);
++ atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
+ if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)
+- atomic_inc(&sbi->s_bal_success);
+- atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned);
++ atomic_inc_unchecked(&sbi->s_bal_success);
++ atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned);
+ if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start &&
+ ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group)
+- atomic_inc(&sbi->s_bal_goals);
++ atomic_inc_unchecked(&sbi->s_bal_goals);
+ if (ac->ac_found > sbi->s_mb_max_to_scan)
+- atomic_inc(&sbi->s_bal_breaks);
++ atomic_inc_unchecked(&sbi->s_bal_breaks);
+ }
+
+ if (ac->ac_op == EXT4_MB_HISTORY_ALLOC)
+@@ -3460,7 +3460,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
+ trace_ext4_mb_new_inode_pa(ac, pa);
+
+ ext4_mb_use_inode_pa(ac, pa);
+- atomic_add(pa->pa_free, &sbi->s_mb_preallocated);
++ atomic_add_unchecked(pa->pa_free, &sbi->s_mb_preallocated);
+
+ ei = EXT4_I(ac->ac_inode);
+ grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
+@@ -3520,7 +3520,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
+ trace_ext4_mb_new_group_pa(ac, pa);
+
+ ext4_mb_use_group_pa(ac, pa);
+- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
++ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
+
+ grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
+ lg = ac->ac_lg;
+@@ -3609,7 +3609,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
+ * from the bitmap and continue.
+ */
+ }
+- atomic_add(free, &sbi->s_mb_discarded);
++ atomic_add_unchecked(free, &sbi->s_mb_discarded);
+
+ return err;
+ }
+@@ -3627,7 +3627,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
+ ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
+ BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
+ mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len);
+- atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
++ atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
+ trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len);
+
+ return 0;
+diff --git a/fs/fcntl.c b/fs/fcntl.c
+index 887b5ba..0e3f2c3 100644
+--- a/fs/fcntl.c
++++ b/fs/fcntl.c
+@@ -225,6 +225,11 @@ int __f_setown(struct file *filp, struct pid *pid, enum pid_type type,
+ if (err)
+ return err;
+
++ if (gr_handle_chroot_fowner(pid, type))
++ return -ENOENT;
++ if (gr_check_protected_task_fowner(pid, type))
++ return -EACCES;
++
+ f_modown(filp, pid, type, force);
+ return 0;
+ }
+@@ -267,7 +272,7 @@ pid_t f_getown(struct file *filp)
+
+ static int f_setown_ex(struct file *filp, unsigned long arg)
+ {
+- struct f_owner_ex * __user owner_p = (void * __user)arg;
++ struct f_owner_ex __user *owner_p = (void __user *)arg;
+ struct f_owner_ex owner;
+ struct pid *pid;
+ int type;
+@@ -307,7 +312,7 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
+
+ static int f_getown_ex(struct file *filp, unsigned long arg)
+ {
+- struct f_owner_ex * __user owner_p = (void * __user)arg;
++ struct f_owner_ex __user *owner_p = (void __user *)arg;
+ struct f_owner_ex owner;
+ int ret = 0;
+
+@@ -374,6 +379,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
+ switch (cmd) {
+ case F_DUPFD:
+ case F_DUPFD_CLOEXEC:
++ gr_learn_resource(current, RLIMIT_NOFILE, arg, 0);
+ if (arg >= rlimit(RLIMIT_NOFILE))
+ break;
+ err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0);
+diff --git a/fs/fifo.c b/fs/fifo.c
+index cf6f434..3d7942c 100644
+--- a/fs/fifo.c
++++ b/fs/fifo.c
+@@ -59,10 +59,10 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ */
+ filp->f_op = &read_pipefifo_fops;
+ pipe->r_counter++;
+- if (pipe->readers++ == 0)
++ if (atomic_inc_return(&pipe->readers) == 1)
+ wake_up_partner(inode);
+
+- if (!pipe->writers) {
++ if (!atomic_read(&pipe->writers)) {
+ if ((filp->f_flags & O_NONBLOCK)) {
+ /* suppress POLLHUP until we have
+ * seen a writer */
+@@ -81,15 +81,15 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ * errno=ENXIO when there is no process reading the FIFO.
+ */
+ ret = -ENXIO;
+- if ((filp->f_flags & O_NONBLOCK) && !pipe->readers)
++ if ((filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers))
+ goto err;
+
+ filp->f_op = &write_pipefifo_fops;
+ pipe->w_counter++;
+- if (!pipe->writers++)
++ if (atomic_inc_return(&pipe->writers) == 1)
+ wake_up_partner(inode);
+
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ if (wait_for_partner(inode, &pipe->r_counter))
+ goto err_wr;
+ }
+@@ -104,11 +104,11 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ */
+ filp->f_op = &rdwr_pipefifo_fops;
+
+- pipe->readers++;
+- pipe->writers++;
++ atomic_inc(&pipe->readers);
++ atomic_inc(&pipe->writers);
+ pipe->r_counter++;
+ pipe->w_counter++;
+- if (pipe->readers == 1 || pipe->writers == 1)
++ if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1)
+ wake_up_partner(inode);
+ break;
+
+@@ -122,19 +122,19 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ return 0;
+
+ err_rd:
+- if (!--pipe->readers)
++ if (atomic_dec_and_test(&pipe->readers))
+ wake_up_interruptible(&pipe->wait);
+ ret = -ERESTARTSYS;
+ goto err;
+
+ err_wr:
+- if (!--pipe->writers)
++ if (atomic_dec_and_test(&pipe->writers))
+ wake_up_interruptible(&pipe->wait);
+ ret = -ERESTARTSYS;
+ goto err;
+
+ err:
+- if (!pipe->readers && !pipe->writers)
++ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers))
+ free_pipe_info(inode);
+
+ err_nocleanup:
+diff --git a/fs/file.c b/fs/file.c
+index ba3f605..fade102 100644
+--- a/fs/file.c
++++ b/fs/file.c
+@@ -15,6 +15,7 @@
+ #include <linux/slab.h>
+ #include <linux/vmalloc.h>
+ #include <linux/file.h>
++#include <linux/security.h>
+ #include <linux/fdtable.h>
+ #include <linux/bitops.h>
+ #include <linux/interrupt.h>
+@@ -255,6 +256,7 @@ int expand_files(struct files_struct *files, int nr)
+ * N.B. For clone tasks sharing a files structure, this test
+ * will limit the total number of files that can be opened.
+ */
++ gr_learn_resource(current, RLIMIT_NOFILE, nr, 0);
+ if (nr >= rlimit(RLIMIT_NOFILE))
+ return -EMFILE;
+
+diff --git a/fs/filesystems.c b/fs/filesystems.c
+index 96f2428..f5eeb8e 100644
+--- a/fs/filesystems.c
++++ b/fs/filesystems.c
+@@ -273,7 +273,12 @@ struct file_system_type *get_fs_type(const char *name)
+ int len = dot ? dot - name : strlen(name);
+
+ fs = __get_fs_type(name, len);
++
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ if (!fs && (___request_module(true, "grsec_modharden_fs", "%.*s", len, name) == 0))
++#else
+ if (!fs && (request_module("%.*s", len, name) == 0))
++#endif
+ fs = __get_fs_type(name, len);
+
+ if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
+diff --git a/fs/fs_struct.c b/fs/fs_struct.c
+index 5df4775..9d9336f 100644
+--- a/fs/fs_struct.c
++++ b/fs/fs_struct.c
+@@ -4,6 +4,7 @@
+ #include <linux/path.h>
+ #include <linux/slab.h>
+ #include <linux/fs_struct.h>
++#include <linux/grsecurity.h>
+ #include "internal.h"
+
+ /*
+@@ -19,6 +20,7 @@ void set_fs_root(struct fs_struct *fs, struct path *path)
+ write_seqcount_begin(&fs->seq);
+ old_root = fs->root;
+ fs->root = *path;
++ gr_set_chroot_entries(current, path);
+ write_seqcount_end(&fs->seq);
+ spin_unlock(&fs->lock);
+ if (old_root.dentry)
+@@ -53,6 +55,21 @@ static inline int replace_path(struct path *p, const struct path *old, const str
+ return 1;
+ }
+
++static inline int replace_root_path(struct task_struct *task, struct path *p, const struct path *old, struct path *new)
++{
++ if (likely(p->dentry != old->dentry || p->mnt != old->mnt))
++ return 0;
++ *p = *new;
++
++ /* This function is only called from pivot_root(). Leave our
++ gr_chroot_dentry and is_chrooted flags as-is, so that a
++ pivoted root isn't treated as a chroot
++ */
++ //gr_set_chroot_entries(task, new);
++
++ return 1;
++}
++
+ void chroot_fs_refs(struct path *old_root, struct path *new_root)
+ {
+ struct task_struct *g, *p;
+@@ -67,7 +84,7 @@ void chroot_fs_refs(struct path *old_root, struct path *new_root)
+ int hits = 0;
+ spin_lock(&fs->lock);
+ write_seqcount_begin(&fs->seq);
+- hits += replace_path(&fs->root, old_root, new_root);
++ hits += replace_root_path(p, &fs->root, old_root, new_root);
+ hits += replace_path(&fs->pwd, old_root, new_root);
+ write_seqcount_end(&fs->seq);
+ while (hits--) {
+@@ -99,7 +116,8 @@ void exit_fs(struct task_struct *tsk)
+ task_lock(tsk);
+ spin_lock(&fs->lock);
+ tsk->fs = NULL;
+- kill = !--fs->users;
++ gr_clear_chroot_entries(tsk);
++ kill = !atomic_dec_return(&fs->users);
+ spin_unlock(&fs->lock);
+ task_unlock(tsk);
+ if (kill)
+@@ -112,7 +130,7 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
+ struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL);
+ /* We don't need to lock fs - think why ;-) */
+ if (fs) {
+- fs->users = 1;
++ atomic_set(&fs->users, 1);
+ fs->in_exec = 0;
+ spin_lock_init(&fs->lock);
+ seqcount_init(&fs->seq);
+@@ -121,6 +139,9 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
+ spin_lock(&old->lock);
+ fs->root = old->root;
+ path_get(&fs->root);
++ /* instead of calling gr_set_chroot_entries here,
++ we call it from every caller of this function
++ */
+ fs->pwd = old->pwd;
+ path_get(&fs->pwd);
+ spin_unlock(&old->lock);
+@@ -139,8 +160,9 @@ int unshare_fs_struct(void)
+
+ task_lock(current);
+ spin_lock(&fs->lock);
+- kill = !--fs->users;
++ kill = !atomic_dec_return(&fs->users);
+ current->fs = new_fs;
++ gr_set_chroot_entries(current, &new_fs->root);
+ spin_unlock(&fs->lock);
+ task_unlock(current);
+
+@@ -153,13 +175,13 @@ EXPORT_SYMBOL_GPL(unshare_fs_struct);
+
+ int current_umask(void)
+ {
+- return current->fs->umask;
++ return current->fs->umask | gr_acl_umask();
+ }
+ EXPORT_SYMBOL(current_umask);
+
+ /* to be mentioned only in INIT_TASK */
+ struct fs_struct init_fs = {
+- .users = 1,
++ .users = ATOMIC_INIT(1),
+ .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock),
+ .seq = SEQCNT_ZERO,
+ .umask = 0022,
+@@ -175,12 +197,13 @@ void daemonize_fs_struct(void)
+ task_lock(current);
+
+ spin_lock(&init_fs.lock);
+- init_fs.users++;
++ atomic_inc(&init_fs.users);
+ spin_unlock(&init_fs.lock);
+
+ spin_lock(&fs->lock);
+ current->fs = &init_fs;
+- kill = !--fs->users;
++ gr_set_chroot_entries(current, ¤t->fs->root);
++ kill = !atomic_dec_return(&fs->users);
+ spin_unlock(&fs->lock);
+
+ task_unlock(current);
+diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
+index 9905350..02eaec4 100644
+--- a/fs/fscache/cookie.c
++++ b/fs/fscache/cookie.c
+@@ -68,11 +68,11 @@ struct fscache_cookie *__fscache_acquire_cookie(
+ parent ? (char *) parent->def->name : "<no-parent>",
+ def->name, netfs_data);
+
+- fscache_stat(&fscache_n_acquires);
++ fscache_stat_unchecked(&fscache_n_acquires);
+
+ /* if there's no parent cookie, then we don't create one here either */
+ if (!parent) {
+- fscache_stat(&fscache_n_acquires_null);
++ fscache_stat_unchecked(&fscache_n_acquires_null);
+ _leave(" [no parent]");
+ return NULL;
+ }
+@@ -87,7 +87,7 @@ struct fscache_cookie *__fscache_acquire_cookie(
+ /* allocate and initialise a cookie */
+ cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL);
+ if (!cookie) {
+- fscache_stat(&fscache_n_acquires_oom);
++ fscache_stat_unchecked(&fscache_n_acquires_oom);
+ _leave(" [ENOMEM]");
+ return NULL;
+ }
+@@ -109,13 +109,13 @@ struct fscache_cookie *__fscache_acquire_cookie(
+
+ switch (cookie->def->type) {
+ case FSCACHE_COOKIE_TYPE_INDEX:
+- fscache_stat(&fscache_n_cookie_index);
++ fscache_stat_unchecked(&fscache_n_cookie_index);
+ break;
+ case FSCACHE_COOKIE_TYPE_DATAFILE:
+- fscache_stat(&fscache_n_cookie_data);
++ fscache_stat_unchecked(&fscache_n_cookie_data);
+ break;
+ default:
+- fscache_stat(&fscache_n_cookie_special);
++ fscache_stat_unchecked(&fscache_n_cookie_special);
+ break;
+ }
+
+@@ -126,13 +126,13 @@ struct fscache_cookie *__fscache_acquire_cookie(
+ if (fscache_acquire_non_index_cookie(cookie) < 0) {
+ atomic_dec(&parent->n_children);
+ __fscache_cookie_put(cookie);
+- fscache_stat(&fscache_n_acquires_nobufs);
++ fscache_stat_unchecked(&fscache_n_acquires_nobufs);
+ _leave(" = NULL");
+ return NULL;
+ }
+ }
+
+- fscache_stat(&fscache_n_acquires_ok);
++ fscache_stat_unchecked(&fscache_n_acquires_ok);
+ _leave(" = %p", cookie);
+ return cookie;
+ }
+@@ -168,7 +168,7 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie)
+ cache = fscache_select_cache_for_object(cookie->parent);
+ if (!cache) {
+ up_read(&fscache_addremove_sem);
+- fscache_stat(&fscache_n_acquires_no_cache);
++ fscache_stat_unchecked(&fscache_n_acquires_no_cache);
+ _leave(" = -ENOMEDIUM [no cache]");
+ return -ENOMEDIUM;
+ }
+@@ -256,12 +256,12 @@ static int fscache_alloc_object(struct fscache_cache *cache,
+ object = cache->ops->alloc_object(cache, cookie);
+ fscache_stat_d(&fscache_n_cop_alloc_object);
+ if (IS_ERR(object)) {
+- fscache_stat(&fscache_n_object_no_alloc);
++ fscache_stat_unchecked(&fscache_n_object_no_alloc);
+ ret = PTR_ERR(object);
+ goto error;
+ }
+
+- fscache_stat(&fscache_n_object_alloc);
++ fscache_stat_unchecked(&fscache_n_object_alloc);
+
+ object->debug_id = atomic_inc_return(&fscache_object_debug_id);
+
+@@ -377,10 +377,10 @@ void __fscache_update_cookie(struct fscache_cookie *cookie)
+ struct fscache_object *object;
+ struct hlist_node *_p;
+
+- fscache_stat(&fscache_n_updates);
++ fscache_stat_unchecked(&fscache_n_updates);
+
+ if (!cookie) {
+- fscache_stat(&fscache_n_updates_null);
++ fscache_stat_unchecked(&fscache_n_updates_null);
+ _leave(" [no cookie]");
+ return;
+ }
+@@ -414,12 +414,12 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire)
+ struct fscache_object *object;
+ unsigned long event;
+
+- fscache_stat(&fscache_n_relinquishes);
++ fscache_stat_unchecked(&fscache_n_relinquishes);
+ if (retire)
+- fscache_stat(&fscache_n_relinquishes_retire);
++ fscache_stat_unchecked(&fscache_n_relinquishes_retire);
+
+ if (!cookie) {
+- fscache_stat(&fscache_n_relinquishes_null);
++ fscache_stat_unchecked(&fscache_n_relinquishes_null);
+ _leave(" [no cookie]");
+ return;
+ }
+@@ -435,7 +435,7 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire)
+
+ /* wait for the cookie to finish being instantiated (or to fail) */
+ if (test_bit(FSCACHE_COOKIE_CREATING, &cookie->flags)) {
+- fscache_stat(&fscache_n_relinquishes_waitcrt);
++ fscache_stat_unchecked(&fscache_n_relinquishes_waitcrt);
+ wait_on_bit(&cookie->flags, FSCACHE_COOKIE_CREATING,
+ fscache_wait_bit, TASK_UNINTERRUPTIBLE);
+ }
+diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
+index f6aad48..88dcf26 100644
+--- a/fs/fscache/internal.h
++++ b/fs/fscache/internal.h
+@@ -144,94 +144,94 @@ extern void fscache_proc_cleanup(void);
+ extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
+ extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS];
+
+-extern atomic_t fscache_n_op_pend;
+-extern atomic_t fscache_n_op_run;
+-extern atomic_t fscache_n_op_enqueue;
+-extern atomic_t fscache_n_op_deferred_release;
+-extern atomic_t fscache_n_op_release;
+-extern atomic_t fscache_n_op_gc;
+-extern atomic_t fscache_n_op_cancelled;
+-extern atomic_t fscache_n_op_rejected;
++extern atomic_unchecked_t fscache_n_op_pend;
++extern atomic_unchecked_t fscache_n_op_run;
++extern atomic_unchecked_t fscache_n_op_enqueue;
++extern atomic_unchecked_t fscache_n_op_deferred_release;
++extern atomic_unchecked_t fscache_n_op_release;
++extern atomic_unchecked_t fscache_n_op_gc;
++extern atomic_unchecked_t fscache_n_op_cancelled;
++extern atomic_unchecked_t fscache_n_op_rejected;
+
+-extern atomic_t fscache_n_attr_changed;
+-extern atomic_t fscache_n_attr_changed_ok;
+-extern atomic_t fscache_n_attr_changed_nobufs;
+-extern atomic_t fscache_n_attr_changed_nomem;
+-extern atomic_t fscache_n_attr_changed_calls;
++extern atomic_unchecked_t fscache_n_attr_changed;
++extern atomic_unchecked_t fscache_n_attr_changed_ok;
++extern atomic_unchecked_t fscache_n_attr_changed_nobufs;
++extern atomic_unchecked_t fscache_n_attr_changed_nomem;
++extern atomic_unchecked_t fscache_n_attr_changed_calls;
+
+-extern atomic_t fscache_n_allocs;
+-extern atomic_t fscache_n_allocs_ok;
+-extern atomic_t fscache_n_allocs_wait;
+-extern atomic_t fscache_n_allocs_nobufs;
+-extern atomic_t fscache_n_allocs_intr;
+-extern atomic_t fscache_n_allocs_object_dead;
+-extern atomic_t fscache_n_alloc_ops;
+-extern atomic_t fscache_n_alloc_op_waits;
++extern atomic_unchecked_t fscache_n_allocs;
++extern atomic_unchecked_t fscache_n_allocs_ok;
++extern atomic_unchecked_t fscache_n_allocs_wait;
++extern atomic_unchecked_t fscache_n_allocs_nobufs;
++extern atomic_unchecked_t fscache_n_allocs_intr;
++extern atomic_unchecked_t fscache_n_allocs_object_dead;
++extern atomic_unchecked_t fscache_n_alloc_ops;
++extern atomic_unchecked_t fscache_n_alloc_op_waits;
+
+-extern atomic_t fscache_n_retrievals;
+-extern atomic_t fscache_n_retrievals_ok;
+-extern atomic_t fscache_n_retrievals_wait;
+-extern atomic_t fscache_n_retrievals_nodata;
+-extern atomic_t fscache_n_retrievals_nobufs;
+-extern atomic_t fscache_n_retrievals_intr;
+-extern atomic_t fscache_n_retrievals_nomem;
+-extern atomic_t fscache_n_retrievals_object_dead;
+-extern atomic_t fscache_n_retrieval_ops;
+-extern atomic_t fscache_n_retrieval_op_waits;
++extern atomic_unchecked_t fscache_n_retrievals;
++extern atomic_unchecked_t fscache_n_retrievals_ok;
++extern atomic_unchecked_t fscache_n_retrievals_wait;
++extern atomic_unchecked_t fscache_n_retrievals_nodata;
++extern atomic_unchecked_t fscache_n_retrievals_nobufs;
++extern atomic_unchecked_t fscache_n_retrievals_intr;
++extern atomic_unchecked_t fscache_n_retrievals_nomem;
++extern atomic_unchecked_t fscache_n_retrievals_object_dead;
++extern atomic_unchecked_t fscache_n_retrieval_ops;
++extern atomic_unchecked_t fscache_n_retrieval_op_waits;
+
+-extern atomic_t fscache_n_stores;
+-extern atomic_t fscache_n_stores_ok;
+-extern atomic_t fscache_n_stores_again;
+-extern atomic_t fscache_n_stores_nobufs;
+-extern atomic_t fscache_n_stores_oom;
+-extern atomic_t fscache_n_store_ops;
+-extern atomic_t fscache_n_store_calls;
+-extern atomic_t fscache_n_store_pages;
+-extern atomic_t fscache_n_store_radix_deletes;
+-extern atomic_t fscache_n_store_pages_over_limit;
++extern atomic_unchecked_t fscache_n_stores;
++extern atomic_unchecked_t fscache_n_stores_ok;
++extern atomic_unchecked_t fscache_n_stores_again;
++extern atomic_unchecked_t fscache_n_stores_nobufs;
++extern atomic_unchecked_t fscache_n_stores_oom;
++extern atomic_unchecked_t fscache_n_store_ops;
++extern atomic_unchecked_t fscache_n_store_calls;
++extern atomic_unchecked_t fscache_n_store_pages;
++extern atomic_unchecked_t fscache_n_store_radix_deletes;
++extern atomic_unchecked_t fscache_n_store_pages_over_limit;
+
+-extern atomic_t fscache_n_store_vmscan_not_storing;
+-extern atomic_t fscache_n_store_vmscan_gone;
+-extern atomic_t fscache_n_store_vmscan_busy;
+-extern atomic_t fscache_n_store_vmscan_cancelled;
++extern atomic_unchecked_t fscache_n_store_vmscan_not_storing;
++extern atomic_unchecked_t fscache_n_store_vmscan_gone;
++extern atomic_unchecked_t fscache_n_store_vmscan_busy;
++extern atomic_unchecked_t fscache_n_store_vmscan_cancelled;
+
+-extern atomic_t fscache_n_marks;
+-extern atomic_t fscache_n_uncaches;
++extern atomic_unchecked_t fscache_n_marks;
++extern atomic_unchecked_t fscache_n_uncaches;
+
+-extern atomic_t fscache_n_acquires;
+-extern atomic_t fscache_n_acquires_null;
+-extern atomic_t fscache_n_acquires_no_cache;
+-extern atomic_t fscache_n_acquires_ok;
+-extern atomic_t fscache_n_acquires_nobufs;
+-extern atomic_t fscache_n_acquires_oom;
++extern atomic_unchecked_t fscache_n_acquires;
++extern atomic_unchecked_t fscache_n_acquires_null;
++extern atomic_unchecked_t fscache_n_acquires_no_cache;
++extern atomic_unchecked_t fscache_n_acquires_ok;
++extern atomic_unchecked_t fscache_n_acquires_nobufs;
++extern atomic_unchecked_t fscache_n_acquires_oom;
+
+-extern atomic_t fscache_n_updates;
+-extern atomic_t fscache_n_updates_null;
+-extern atomic_t fscache_n_updates_run;
++extern atomic_unchecked_t fscache_n_updates;
++extern atomic_unchecked_t fscache_n_updates_null;
++extern atomic_unchecked_t fscache_n_updates_run;
+
+-extern atomic_t fscache_n_relinquishes;
+-extern atomic_t fscache_n_relinquishes_null;
+-extern atomic_t fscache_n_relinquishes_waitcrt;
+-extern atomic_t fscache_n_relinquishes_retire;
++extern atomic_unchecked_t fscache_n_relinquishes;
++extern atomic_unchecked_t fscache_n_relinquishes_null;
++extern atomic_unchecked_t fscache_n_relinquishes_waitcrt;
++extern atomic_unchecked_t fscache_n_relinquishes_retire;
+
+-extern atomic_t fscache_n_cookie_index;
+-extern atomic_t fscache_n_cookie_data;
+-extern atomic_t fscache_n_cookie_special;
++extern atomic_unchecked_t fscache_n_cookie_index;
++extern atomic_unchecked_t fscache_n_cookie_data;
++extern atomic_unchecked_t fscache_n_cookie_special;
+
+-extern atomic_t fscache_n_object_alloc;
+-extern atomic_t fscache_n_object_no_alloc;
+-extern atomic_t fscache_n_object_lookups;
+-extern atomic_t fscache_n_object_lookups_negative;
+-extern atomic_t fscache_n_object_lookups_positive;
+-extern atomic_t fscache_n_object_lookups_timed_out;
+-extern atomic_t fscache_n_object_created;
+-extern atomic_t fscache_n_object_avail;
+-extern atomic_t fscache_n_object_dead;
++extern atomic_unchecked_t fscache_n_object_alloc;
++extern atomic_unchecked_t fscache_n_object_no_alloc;
++extern atomic_unchecked_t fscache_n_object_lookups;
++extern atomic_unchecked_t fscache_n_object_lookups_negative;
++extern atomic_unchecked_t fscache_n_object_lookups_positive;
++extern atomic_unchecked_t fscache_n_object_lookups_timed_out;
++extern atomic_unchecked_t fscache_n_object_created;
++extern atomic_unchecked_t fscache_n_object_avail;
++extern atomic_unchecked_t fscache_n_object_dead;
+
+-extern atomic_t fscache_n_checkaux_none;
+-extern atomic_t fscache_n_checkaux_okay;
+-extern atomic_t fscache_n_checkaux_update;
+-extern atomic_t fscache_n_checkaux_obsolete;
++extern atomic_unchecked_t fscache_n_checkaux_none;
++extern atomic_unchecked_t fscache_n_checkaux_okay;
++extern atomic_unchecked_t fscache_n_checkaux_update;
++extern atomic_unchecked_t fscache_n_checkaux_obsolete;
+
+ extern atomic_t fscache_n_cop_alloc_object;
+ extern atomic_t fscache_n_cop_lookup_object;
+@@ -255,6 +255,11 @@ static inline void fscache_stat(atomic_t *stat)
+ atomic_inc(stat);
+ }
+
++static inline void fscache_stat_unchecked(atomic_unchecked_t *stat)
++{
++ atomic_inc_unchecked(stat);
++}
++
+ static inline void fscache_stat_d(atomic_t *stat)
+ {
+ atomic_dec(stat);
+@@ -267,6 +272,7 @@ extern const struct file_operations fscache_stats_fops;
+
+ #define __fscache_stat(stat) (NULL)
+ #define fscache_stat(stat) do {} while (0)
++#define fscache_stat_unchecked(stat) do {} while (0)
+ #define fscache_stat_d(stat) do {} while (0)
+ #endif
+
+diff --git a/fs/fscache/object.c b/fs/fscache/object.c
+index b6b897c..0ffff9c 100644
+--- a/fs/fscache/object.c
++++ b/fs/fscache/object.c
+@@ -128,7 +128,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
+ /* update the object metadata on disk */
+ case FSCACHE_OBJECT_UPDATING:
+ clear_bit(FSCACHE_OBJECT_EV_UPDATE, &object->events);
+- fscache_stat(&fscache_n_updates_run);
++ fscache_stat_unchecked(&fscache_n_updates_run);
+ fscache_stat(&fscache_n_cop_update_object);
+ object->cache->ops->update_object(object);
+ fscache_stat_d(&fscache_n_cop_update_object);
+@@ -217,7 +217,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
+ spin_lock(&object->lock);
+ object->state = FSCACHE_OBJECT_DEAD;
+ spin_unlock(&object->lock);
+- fscache_stat(&fscache_n_object_dead);
++ fscache_stat_unchecked(&fscache_n_object_dead);
+ goto terminal_transit;
+
+ /* handle the parent cache of this object being withdrawn from
+@@ -232,7 +232,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
+ spin_lock(&object->lock);
+ object->state = FSCACHE_OBJECT_DEAD;
+ spin_unlock(&object->lock);
+- fscache_stat(&fscache_n_object_dead);
++ fscache_stat_unchecked(&fscache_n_object_dead);
+ goto terminal_transit;
+
+ /* complain about the object being woken up once it is
+@@ -461,7 +461,7 @@ static void fscache_lookup_object(struct fscache_object *object)
+ parent->cookie->def->name, cookie->def->name,
+ object->cache->tag->name);
+
+- fscache_stat(&fscache_n_object_lookups);
++ fscache_stat_unchecked(&fscache_n_object_lookups);
+ fscache_stat(&fscache_n_cop_lookup_object);
+ ret = object->cache->ops->lookup_object(object);
+ fscache_stat_d(&fscache_n_cop_lookup_object);
+@@ -472,7 +472,7 @@ static void fscache_lookup_object(struct fscache_object *object)
+ if (ret == -ETIMEDOUT) {
+ /* probably stuck behind another object, so move this one to
+ * the back of the queue */
+- fscache_stat(&fscache_n_object_lookups_timed_out);
++ fscache_stat_unchecked(&fscache_n_object_lookups_timed_out);
+ set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events);
+ }
+
+@@ -495,7 +495,7 @@ void fscache_object_lookup_negative(struct fscache_object *object)
+
+ spin_lock(&object->lock);
+ if (object->state == FSCACHE_OBJECT_LOOKING_UP) {
+- fscache_stat(&fscache_n_object_lookups_negative);
++ fscache_stat_unchecked(&fscache_n_object_lookups_negative);
+
+ /* transit here to allow write requests to begin stacking up
+ * and read requests to begin returning ENODATA */
+@@ -541,7 +541,7 @@ void fscache_obtained_object(struct fscache_object *object)
+ * result, in which case there may be data available */
+ spin_lock(&object->lock);
+ if (object->state == FSCACHE_OBJECT_LOOKING_UP) {
+- fscache_stat(&fscache_n_object_lookups_positive);
++ fscache_stat_unchecked(&fscache_n_object_lookups_positive);
+
+ clear_bit(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags);
+
+@@ -555,7 +555,7 @@ void fscache_obtained_object(struct fscache_object *object)
+ set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events);
+ } else {
+ ASSERTCMP(object->state, ==, FSCACHE_OBJECT_CREATING);
+- fscache_stat(&fscache_n_object_created);
++ fscache_stat_unchecked(&fscache_n_object_created);
+
+ object->state = FSCACHE_OBJECT_AVAILABLE;
+ spin_unlock(&object->lock);
+@@ -602,7 +602,7 @@ static void fscache_object_available(struct fscache_object *object)
+ fscache_enqueue_dependents(object);
+
+ fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif);
+- fscache_stat(&fscache_n_object_avail);
++ fscache_stat_unchecked(&fscache_n_object_avail);
+
+ _leave("");
+ }
+@@ -861,7 +861,7 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
+ enum fscache_checkaux result;
+
+ if (!object->cookie->def->check_aux) {
+- fscache_stat(&fscache_n_checkaux_none);
++ fscache_stat_unchecked(&fscache_n_checkaux_none);
+ return FSCACHE_CHECKAUX_OKAY;
+ }
+
+@@ -870,17 +870,17 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
+ switch (result) {
+ /* entry okay as is */
+ case FSCACHE_CHECKAUX_OKAY:
+- fscache_stat(&fscache_n_checkaux_okay);
++ fscache_stat_unchecked(&fscache_n_checkaux_okay);
+ break;
+
+ /* entry requires update */
+ case FSCACHE_CHECKAUX_NEEDS_UPDATE:
+- fscache_stat(&fscache_n_checkaux_update);
++ fscache_stat_unchecked(&fscache_n_checkaux_update);
+ break;
+
+ /* entry requires deletion */
+ case FSCACHE_CHECKAUX_OBSOLETE:
+- fscache_stat(&fscache_n_checkaux_obsolete);
++ fscache_stat_unchecked(&fscache_n_checkaux_obsolete);
+ break;
+
+ default:
+diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
+index 30afdfa..2256596 100644
+--- a/fs/fscache/operation.c
++++ b/fs/fscache/operation.c
+@@ -17,7 +17,7 @@
+ #include <linux/slab.h>
+ #include "internal.h"
+
+-atomic_t fscache_op_debug_id;
++atomic_unchecked_t fscache_op_debug_id;
+ EXPORT_SYMBOL(fscache_op_debug_id);
+
+ /**
+@@ -38,7 +38,7 @@ void fscache_enqueue_operation(struct fscache_operation *op)
+ ASSERTCMP(op->object->state, >=, FSCACHE_OBJECT_AVAILABLE);
+ ASSERTCMP(atomic_read(&op->usage), >, 0);
+
+- fscache_stat(&fscache_n_op_enqueue);
++ fscache_stat_unchecked(&fscache_n_op_enqueue);
+ switch (op->flags & FSCACHE_OP_TYPE) {
+ case FSCACHE_OP_ASYNC:
+ _debug("queue async");
+@@ -69,7 +69,7 @@ static void fscache_run_op(struct fscache_object *object,
+ wake_up_bit(&op->flags, FSCACHE_OP_WAITING);
+ if (op->processor)
+ fscache_enqueue_operation(op);
+- fscache_stat(&fscache_n_op_run);
++ fscache_stat_unchecked(&fscache_n_op_run);
+ }
+
+ /*
+@@ -98,11 +98,11 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
+ if (object->n_ops > 1) {
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ } else if (!list_empty(&object->pending_ops)) {
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ fscache_start_operations(object);
+ } else {
+ ASSERTCMP(object->n_in_progress, ==, 0);
+@@ -118,7 +118,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
+ object->n_exclusive++; /* reads and writes must wait */
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ ret = 0;
+ } else {
+ /* not allowed to submit ops in any other state */
+@@ -203,11 +203,11 @@ int fscache_submit_op(struct fscache_object *object,
+ if (object->n_exclusive > 0) {
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ } else if (!list_empty(&object->pending_ops)) {
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ fscache_start_operations(object);
+ } else {
+ ASSERTCMP(object->n_exclusive, ==, 0);
+@@ -219,12 +219,12 @@ int fscache_submit_op(struct fscache_object *object,
+ object->n_ops++;
+ atomic_inc(&op->usage);
+ list_add_tail(&op->pend_link, &object->pending_ops);
+- fscache_stat(&fscache_n_op_pend);
++ fscache_stat_unchecked(&fscache_n_op_pend);
+ ret = 0;
+ } else if (object->state == FSCACHE_OBJECT_DYING ||
+ object->state == FSCACHE_OBJECT_LC_DYING ||
+ object->state == FSCACHE_OBJECT_WITHDRAWING) {
+- fscache_stat(&fscache_n_op_rejected);
++ fscache_stat_unchecked(&fscache_n_op_rejected);
+ ret = -ENOBUFS;
+ } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) {
+ fscache_report_unexpected_submission(object, op, ostate);
+@@ -294,7 +294,7 @@ int fscache_cancel_op(struct fscache_operation *op)
+
+ ret = -EBUSY;
+ if (!list_empty(&op->pend_link)) {
+- fscache_stat(&fscache_n_op_cancelled);
++ fscache_stat_unchecked(&fscache_n_op_cancelled);
+ list_del_init(&op->pend_link);
+ object->n_ops--;
+ if (test_bit(FSCACHE_OP_EXCLUSIVE, &op->flags))
+@@ -331,7 +331,7 @@ void fscache_put_operation(struct fscache_operation *op)
+ if (test_and_set_bit(FSCACHE_OP_DEAD, &op->flags))
+ BUG();
+
+- fscache_stat(&fscache_n_op_release);
++ fscache_stat_unchecked(&fscache_n_op_release);
+
+ if (op->release) {
+ op->release(op);
+@@ -348,7 +348,7 @@ void fscache_put_operation(struct fscache_operation *op)
+ * lock, and defer it otherwise */
+ if (!spin_trylock(&object->lock)) {
+ _debug("defer put");
+- fscache_stat(&fscache_n_op_deferred_release);
++ fscache_stat_unchecked(&fscache_n_op_deferred_release);
+
+ cache = object->cache;
+ spin_lock(&cache->op_gc_list_lock);
+@@ -410,7 +410,7 @@ void fscache_operation_gc(struct work_struct *work)
+
+ _debug("GC DEFERRED REL OBJ%x OP%x",
+ object->debug_id, op->debug_id);
+- fscache_stat(&fscache_n_op_gc);
++ fscache_stat_unchecked(&fscache_n_op_gc);
+
+ ASSERTCMP(atomic_read(&op->usage), ==, 0);
+
+diff --git a/fs/fscache/page.c b/fs/fscache/page.c
+index 3f7a59b..cf196cc 100644
+--- a/fs/fscache/page.c
++++ b/fs/fscache/page.c
+@@ -60,7 +60,7 @@ bool __fscache_maybe_release_page(struct fscache_cookie *cookie,
+ val = radix_tree_lookup(&cookie->stores, page->index);
+ if (!val) {
+ rcu_read_unlock();
+- fscache_stat(&fscache_n_store_vmscan_not_storing);
++ fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing);
+ __fscache_uncache_page(cookie, page);
+ return true;
+ }
+@@ -90,11 +90,11 @@ bool __fscache_maybe_release_page(struct fscache_cookie *cookie,
+ spin_unlock(&cookie->stores_lock);
+
+ if (xpage) {
+- fscache_stat(&fscache_n_store_vmscan_cancelled);
+- fscache_stat(&fscache_n_store_radix_deletes);
++ fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled);
++ fscache_stat_unchecked(&fscache_n_store_radix_deletes);
+ ASSERTCMP(xpage, ==, page);
+ } else {
+- fscache_stat(&fscache_n_store_vmscan_gone);
++ fscache_stat_unchecked(&fscache_n_store_vmscan_gone);
+ }
+
+ wake_up_bit(&cookie->flags, 0);
+@@ -107,7 +107,7 @@ page_busy:
+ /* we might want to wait here, but that could deadlock the allocator as
+ * the work threads writing to the cache may all end up sleeping
+ * on memory allocation */
+- fscache_stat(&fscache_n_store_vmscan_busy);
++ fscache_stat_unchecked(&fscache_n_store_vmscan_busy);
+ return false;
+ }
+ EXPORT_SYMBOL(__fscache_maybe_release_page);
+@@ -131,7 +131,7 @@ static void fscache_end_page_write(struct fscache_object *object,
+ FSCACHE_COOKIE_STORING_TAG);
+ if (!radix_tree_tag_get(&cookie->stores, page->index,
+ FSCACHE_COOKIE_PENDING_TAG)) {
+- fscache_stat(&fscache_n_store_radix_deletes);
++ fscache_stat_unchecked(&fscache_n_store_radix_deletes);
+ xpage = radix_tree_delete(&cookie->stores, page->index);
+ }
+ spin_unlock(&cookie->stores_lock);
+@@ -152,7 +152,7 @@ static void fscache_attr_changed_op(struct fscache_operation *op)
+
+ _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id);
+
+- fscache_stat(&fscache_n_attr_changed_calls);
++ fscache_stat_unchecked(&fscache_n_attr_changed_calls);
+
+ if (fscache_object_is_active(object)) {
+ fscache_stat(&fscache_n_cop_attr_changed);
+@@ -177,11 +177,11 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
+
+ ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
+
+- fscache_stat(&fscache_n_attr_changed);
++ fscache_stat_unchecked(&fscache_n_attr_changed);
+
+ op = kzalloc(sizeof(*op), GFP_KERNEL);
+ if (!op) {
+- fscache_stat(&fscache_n_attr_changed_nomem);
++ fscache_stat_unchecked(&fscache_n_attr_changed_nomem);
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
+ }
+@@ -199,7 +199,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
+ if (fscache_submit_exclusive_op(object, op) < 0)
+ goto nobufs;
+ spin_unlock(&cookie->lock);
+- fscache_stat(&fscache_n_attr_changed_ok);
++ fscache_stat_unchecked(&fscache_n_attr_changed_ok);
+ fscache_put_operation(op);
+ _leave(" = 0");
+ return 0;
+@@ -207,7 +207,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
+ nobufs:
+ spin_unlock(&cookie->lock);
+ kfree(op);
+- fscache_stat(&fscache_n_attr_changed_nobufs);
++ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs);
+ _leave(" = %d", -ENOBUFS);
+ return -ENOBUFS;
+ }
+@@ -243,7 +243,7 @@ static struct fscache_retrieval *fscache_alloc_retrieval(
+ /* allocate a retrieval operation and attempt to submit it */
+ op = kzalloc(sizeof(*op), GFP_NOIO);
+ if (!op) {
+- fscache_stat(&fscache_n_retrievals_nomem);
++ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
+ return NULL;
+ }
+
+@@ -271,13 +271,13 @@ static int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie)
+ return 0;
+ }
+
+- fscache_stat(&fscache_n_retrievals_wait);
++ fscache_stat_unchecked(&fscache_n_retrievals_wait);
+
+ jif = jiffies;
+ if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP,
+ fscache_wait_bit_interruptible,
+ TASK_INTERRUPTIBLE) != 0) {
+- fscache_stat(&fscache_n_retrievals_intr);
++ fscache_stat_unchecked(&fscache_n_retrievals_intr);
+ _leave(" = -ERESTARTSYS");
+ return -ERESTARTSYS;
+ }
+@@ -295,8 +295,8 @@ static int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie)
+ */
+ static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
+ struct fscache_retrieval *op,
+- atomic_t *stat_op_waits,
+- atomic_t *stat_object_dead)
++ atomic_unchecked_t *stat_op_waits,
++ atomic_unchecked_t *stat_object_dead)
+ {
+ int ret;
+
+@@ -304,7 +304,7 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
+ goto check_if_dead;
+
+ _debug(">>> WT");
+- fscache_stat(stat_op_waits);
++ fscache_stat_unchecked(stat_op_waits);
+ if (wait_on_bit(&op->op.flags, FSCACHE_OP_WAITING,
+ fscache_wait_bit_interruptible,
+ TASK_INTERRUPTIBLE) < 0) {
+@@ -321,7 +321,7 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object,
+
+ check_if_dead:
+ if (unlikely(fscache_object_is_dead(object))) {
+- fscache_stat(stat_object_dead);
++ fscache_stat_unchecked(stat_object_dead);
+ return -ENOBUFS;
+ }
+ return 0;
+@@ -348,7 +348,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
+
+ _enter("%p,%p,,,", cookie, page);
+
+- fscache_stat(&fscache_n_retrievals);
++ fscache_stat_unchecked(&fscache_n_retrievals);
+
+ if (hlist_empty(&cookie->backing_objects))
+ goto nobufs;
+@@ -381,7 +381,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
+ goto nobufs_unlock;
+ spin_unlock(&cookie->lock);
+
+- fscache_stat(&fscache_n_retrieval_ops);
++ fscache_stat_unchecked(&fscache_n_retrieval_ops);
+
+ /* pin the netfs read context in case we need to do the actual netfs
+ * read because we've encountered a cache read failure */
+@@ -411,15 +411,15 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
+
+ error:
+ if (ret == -ENOMEM)
+- fscache_stat(&fscache_n_retrievals_nomem);
++ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
+ else if (ret == -ERESTARTSYS)
+- fscache_stat(&fscache_n_retrievals_intr);
++ fscache_stat_unchecked(&fscache_n_retrievals_intr);
+ else if (ret == -ENODATA)
+- fscache_stat(&fscache_n_retrievals_nodata);
++ fscache_stat_unchecked(&fscache_n_retrievals_nodata);
+ else if (ret < 0)
+- fscache_stat(&fscache_n_retrievals_nobufs);
++ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
+ else
+- fscache_stat(&fscache_n_retrievals_ok);
++ fscache_stat_unchecked(&fscache_n_retrievals_ok);
+
+ fscache_put_retrieval(op);
+ _leave(" = %d", ret);
+@@ -429,7 +429,7 @@ nobufs_unlock:
+ spin_unlock(&cookie->lock);
+ kfree(op);
+ nobufs:
+- fscache_stat(&fscache_n_retrievals_nobufs);
++ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
+ _leave(" = -ENOBUFS");
+ return -ENOBUFS;
+ }
+@@ -467,7 +467,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
+
+ _enter("%p,,%d,,,", cookie, *nr_pages);
+
+- fscache_stat(&fscache_n_retrievals);
++ fscache_stat_unchecked(&fscache_n_retrievals);
+
+ if (hlist_empty(&cookie->backing_objects))
+ goto nobufs;
+@@ -497,7 +497,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
+ goto nobufs_unlock;
+ spin_unlock(&cookie->lock);
+
+- fscache_stat(&fscache_n_retrieval_ops);
++ fscache_stat_unchecked(&fscache_n_retrieval_ops);
+
+ /* pin the netfs read context in case we need to do the actual netfs
+ * read because we've encountered a cache read failure */
+@@ -527,15 +527,15 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
+
+ error:
+ if (ret == -ENOMEM)
+- fscache_stat(&fscache_n_retrievals_nomem);
++ fscache_stat_unchecked(&fscache_n_retrievals_nomem);
+ else if (ret == -ERESTARTSYS)
+- fscache_stat(&fscache_n_retrievals_intr);
++ fscache_stat_unchecked(&fscache_n_retrievals_intr);
+ else if (ret == -ENODATA)
+- fscache_stat(&fscache_n_retrievals_nodata);
++ fscache_stat_unchecked(&fscache_n_retrievals_nodata);
+ else if (ret < 0)
+- fscache_stat(&fscache_n_retrievals_nobufs);
++ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
+ else
+- fscache_stat(&fscache_n_retrievals_ok);
++ fscache_stat_unchecked(&fscache_n_retrievals_ok);
+
+ fscache_put_retrieval(op);
+ _leave(" = %d", ret);
+@@ -545,7 +545,7 @@ nobufs_unlock:
+ spin_unlock(&cookie->lock);
+ kfree(op);
+ nobufs:
+- fscache_stat(&fscache_n_retrievals_nobufs);
++ fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
+ _leave(" = -ENOBUFS");
+ return -ENOBUFS;
+ }
+@@ -569,7 +569,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
+
+ _enter("%p,%p,,,", cookie, page);
+
+- fscache_stat(&fscache_n_allocs);
++ fscache_stat_unchecked(&fscache_n_allocs);
+
+ if (hlist_empty(&cookie->backing_objects))
+ goto nobufs;
+@@ -595,7 +595,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
+ goto nobufs_unlock;
+ spin_unlock(&cookie->lock);
+
+- fscache_stat(&fscache_n_alloc_ops);
++ fscache_stat_unchecked(&fscache_n_alloc_ops);
+
+ ret = fscache_wait_for_retrieval_activation(
+ object, op,
+@@ -611,11 +611,11 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
+
+ error:
+ if (ret == -ERESTARTSYS)
+- fscache_stat(&fscache_n_allocs_intr);
++ fscache_stat_unchecked(&fscache_n_allocs_intr);
+ else if (ret < 0)
+- fscache_stat(&fscache_n_allocs_nobufs);
++ fscache_stat_unchecked(&fscache_n_allocs_nobufs);
+ else
+- fscache_stat(&fscache_n_allocs_ok);
++ fscache_stat_unchecked(&fscache_n_allocs_ok);
+
+ fscache_put_retrieval(op);
+ _leave(" = %d", ret);
+@@ -625,7 +625,7 @@ nobufs_unlock:
+ spin_unlock(&cookie->lock);
+ kfree(op);
+ nobufs:
+- fscache_stat(&fscache_n_allocs_nobufs);
++ fscache_stat_unchecked(&fscache_n_allocs_nobufs);
+ _leave(" = -ENOBUFS");
+ return -ENOBUFS;
+ }
+@@ -666,7 +666,7 @@ static void fscache_write_op(struct fscache_operation *_op)
+
+ spin_lock(&cookie->stores_lock);
+
+- fscache_stat(&fscache_n_store_calls);
++ fscache_stat_unchecked(&fscache_n_store_calls);
+
+ /* find a page to store */
+ page = NULL;
+@@ -677,7 +677,7 @@ static void fscache_write_op(struct fscache_operation *_op)
+ page = results[0];
+ _debug("gang %d [%lx]", n, page->index);
+ if (page->index > op->store_limit) {
+- fscache_stat(&fscache_n_store_pages_over_limit);
++ fscache_stat_unchecked(&fscache_n_store_pages_over_limit);
+ goto superseded;
+ }
+
+@@ -689,7 +689,7 @@ static void fscache_write_op(struct fscache_operation *_op)
+ spin_unlock(&cookie->stores_lock);
+ spin_unlock(&object->lock);
+
+- fscache_stat(&fscache_n_store_pages);
++ fscache_stat_unchecked(&fscache_n_store_pages);
+ fscache_stat(&fscache_n_cop_write_page);
+ ret = object->cache->ops->write_page(op, page);
+ fscache_stat_d(&fscache_n_cop_write_page);
+@@ -757,7 +757,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
+ ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
+ ASSERT(PageFsCache(page));
+
+- fscache_stat(&fscache_n_stores);
++ fscache_stat_unchecked(&fscache_n_stores);
+
+ op = kzalloc(sizeof(*op), GFP_NOIO);
+ if (!op)
+@@ -808,7 +808,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
+ spin_unlock(&cookie->stores_lock);
+ spin_unlock(&object->lock);
+
+- op->op.debug_id = atomic_inc_return(&fscache_op_debug_id);
++ op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
+ op->store_limit = object->store_limit;
+
+ if (fscache_submit_op(object, &op->op) < 0)
+@@ -816,8 +816,8 @@ int __fscache_write_page(struct fscache_cookie *cookie,
+
+ spin_unlock(&cookie->lock);
+ radix_tree_preload_end();
+- fscache_stat(&fscache_n_store_ops);
+- fscache_stat(&fscache_n_stores_ok);
++ fscache_stat_unchecked(&fscache_n_store_ops);
++ fscache_stat_unchecked(&fscache_n_stores_ok);
+
+ /* the work queue now carries its own ref on the object */
+ fscache_put_operation(&op->op);
+@@ -825,14 +825,14 @@ int __fscache_write_page(struct fscache_cookie *cookie,
+ return 0;
+
+ already_queued:
+- fscache_stat(&fscache_n_stores_again);
++ fscache_stat_unchecked(&fscache_n_stores_again);
+ already_pending:
+ spin_unlock(&cookie->stores_lock);
+ spin_unlock(&object->lock);
+ spin_unlock(&cookie->lock);
+ radix_tree_preload_end();
+ kfree(op);
+- fscache_stat(&fscache_n_stores_ok);
++ fscache_stat_unchecked(&fscache_n_stores_ok);
+ _leave(" = 0");
+ return 0;
+
+@@ -851,14 +851,14 @@ nobufs:
+ spin_unlock(&cookie->lock);
+ radix_tree_preload_end();
+ kfree(op);
+- fscache_stat(&fscache_n_stores_nobufs);
++ fscache_stat_unchecked(&fscache_n_stores_nobufs);
+ _leave(" = -ENOBUFS");
+ return -ENOBUFS;
+
+ nomem_free:
+ kfree(op);
+ nomem:
+- fscache_stat(&fscache_n_stores_oom);
++ fscache_stat_unchecked(&fscache_n_stores_oom);
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
+ }
+@@ -876,7 +876,7 @@ void __fscache_uncache_page(struct fscache_cookie *cookie, struct page *page)
+ ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
+ ASSERTCMP(page, !=, NULL);
+
+- fscache_stat(&fscache_n_uncaches);
++ fscache_stat_unchecked(&fscache_n_uncaches);
+
+ /* cache withdrawal may beat us to it */
+ if (!PageFsCache(page))
+@@ -929,7 +929,7 @@ void fscache_mark_pages_cached(struct fscache_retrieval *op,
+ unsigned long loop;
+
+ #ifdef CONFIG_FSCACHE_STATS
+- atomic_add(pagevec->nr, &fscache_n_marks);
++ atomic_add_unchecked(pagevec->nr, &fscache_n_marks);
+ #endif
+
+ for (loop = 0; loop < pagevec->nr; loop++) {
+diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
+index 4765190..2a067f2 100644
+--- a/fs/fscache/stats.c
++++ b/fs/fscache/stats.c
+@@ -18,95 +18,95 @@
+ /*
+ * operation counters
+ */
+-atomic_t fscache_n_op_pend;
+-atomic_t fscache_n_op_run;
+-atomic_t fscache_n_op_enqueue;
+-atomic_t fscache_n_op_requeue;
+-atomic_t fscache_n_op_deferred_release;
+-atomic_t fscache_n_op_release;
+-atomic_t fscache_n_op_gc;
+-atomic_t fscache_n_op_cancelled;
+-atomic_t fscache_n_op_rejected;
++atomic_unchecked_t fscache_n_op_pend;
++atomic_unchecked_t fscache_n_op_run;
++atomic_unchecked_t fscache_n_op_enqueue;
++atomic_unchecked_t fscache_n_op_requeue;
++atomic_unchecked_t fscache_n_op_deferred_release;
++atomic_unchecked_t fscache_n_op_release;
++atomic_unchecked_t fscache_n_op_gc;
++atomic_unchecked_t fscache_n_op_cancelled;
++atomic_unchecked_t fscache_n_op_rejected;
+
+-atomic_t fscache_n_attr_changed;
+-atomic_t fscache_n_attr_changed_ok;
+-atomic_t fscache_n_attr_changed_nobufs;
+-atomic_t fscache_n_attr_changed_nomem;
+-atomic_t fscache_n_attr_changed_calls;
++atomic_unchecked_t fscache_n_attr_changed;
++atomic_unchecked_t fscache_n_attr_changed_ok;
++atomic_unchecked_t fscache_n_attr_changed_nobufs;
++atomic_unchecked_t fscache_n_attr_changed_nomem;
++atomic_unchecked_t fscache_n_attr_changed_calls;
+
+-atomic_t fscache_n_allocs;
+-atomic_t fscache_n_allocs_ok;
+-atomic_t fscache_n_allocs_wait;
+-atomic_t fscache_n_allocs_nobufs;
+-atomic_t fscache_n_allocs_intr;
+-atomic_t fscache_n_allocs_object_dead;
+-atomic_t fscache_n_alloc_ops;
+-atomic_t fscache_n_alloc_op_waits;
++atomic_unchecked_t fscache_n_allocs;
++atomic_unchecked_t fscache_n_allocs_ok;
++atomic_unchecked_t fscache_n_allocs_wait;
++atomic_unchecked_t fscache_n_allocs_nobufs;
++atomic_unchecked_t fscache_n_allocs_intr;
++atomic_unchecked_t fscache_n_allocs_object_dead;
++atomic_unchecked_t fscache_n_alloc_ops;
++atomic_unchecked_t fscache_n_alloc_op_waits;
+
+-atomic_t fscache_n_retrievals;
+-atomic_t fscache_n_retrievals_ok;
+-atomic_t fscache_n_retrievals_wait;
+-atomic_t fscache_n_retrievals_nodata;
+-atomic_t fscache_n_retrievals_nobufs;
+-atomic_t fscache_n_retrievals_intr;
+-atomic_t fscache_n_retrievals_nomem;
+-atomic_t fscache_n_retrievals_object_dead;
+-atomic_t fscache_n_retrieval_ops;
+-atomic_t fscache_n_retrieval_op_waits;
++atomic_unchecked_t fscache_n_retrievals;
++atomic_unchecked_t fscache_n_retrievals_ok;
++atomic_unchecked_t fscache_n_retrievals_wait;
++atomic_unchecked_t fscache_n_retrievals_nodata;
++atomic_unchecked_t fscache_n_retrievals_nobufs;
++atomic_unchecked_t fscache_n_retrievals_intr;
++atomic_unchecked_t fscache_n_retrievals_nomem;
++atomic_unchecked_t fscache_n_retrievals_object_dead;
++atomic_unchecked_t fscache_n_retrieval_ops;
++atomic_unchecked_t fscache_n_retrieval_op_waits;
+
+-atomic_t fscache_n_stores;
+-atomic_t fscache_n_stores_ok;
+-atomic_t fscache_n_stores_again;
+-atomic_t fscache_n_stores_nobufs;
+-atomic_t fscache_n_stores_oom;
+-atomic_t fscache_n_store_ops;
+-atomic_t fscache_n_store_calls;
+-atomic_t fscache_n_store_pages;
+-atomic_t fscache_n_store_radix_deletes;
+-atomic_t fscache_n_store_pages_over_limit;
++atomic_unchecked_t fscache_n_stores;
++atomic_unchecked_t fscache_n_stores_ok;
++atomic_unchecked_t fscache_n_stores_again;
++atomic_unchecked_t fscache_n_stores_nobufs;
++atomic_unchecked_t fscache_n_stores_oom;
++atomic_unchecked_t fscache_n_store_ops;
++atomic_unchecked_t fscache_n_store_calls;
++atomic_unchecked_t fscache_n_store_pages;
++atomic_unchecked_t fscache_n_store_radix_deletes;
++atomic_unchecked_t fscache_n_store_pages_over_limit;
+
+-atomic_t fscache_n_store_vmscan_not_storing;
+-atomic_t fscache_n_store_vmscan_gone;
+-atomic_t fscache_n_store_vmscan_busy;
+-atomic_t fscache_n_store_vmscan_cancelled;
++atomic_unchecked_t fscache_n_store_vmscan_not_storing;
++atomic_unchecked_t fscache_n_store_vmscan_gone;
++atomic_unchecked_t fscache_n_store_vmscan_busy;
++atomic_unchecked_t fscache_n_store_vmscan_cancelled;
+
+-atomic_t fscache_n_marks;
+-atomic_t fscache_n_uncaches;
++atomic_unchecked_t fscache_n_marks;
++atomic_unchecked_t fscache_n_uncaches;
+
+-atomic_t fscache_n_acquires;
+-atomic_t fscache_n_acquires_null;
+-atomic_t fscache_n_acquires_no_cache;
+-atomic_t fscache_n_acquires_ok;
+-atomic_t fscache_n_acquires_nobufs;
+-atomic_t fscache_n_acquires_oom;
++atomic_unchecked_t fscache_n_acquires;
++atomic_unchecked_t fscache_n_acquires_null;
++atomic_unchecked_t fscache_n_acquires_no_cache;
++atomic_unchecked_t fscache_n_acquires_ok;
++atomic_unchecked_t fscache_n_acquires_nobufs;
++atomic_unchecked_t fscache_n_acquires_oom;
+
+-atomic_t fscache_n_updates;
+-atomic_t fscache_n_updates_null;
+-atomic_t fscache_n_updates_run;
++atomic_unchecked_t fscache_n_updates;
++atomic_unchecked_t fscache_n_updates_null;
++atomic_unchecked_t fscache_n_updates_run;
+
+-atomic_t fscache_n_relinquishes;
+-atomic_t fscache_n_relinquishes_null;
+-atomic_t fscache_n_relinquishes_waitcrt;
+-atomic_t fscache_n_relinquishes_retire;
++atomic_unchecked_t fscache_n_relinquishes;
++atomic_unchecked_t fscache_n_relinquishes_null;
++atomic_unchecked_t fscache_n_relinquishes_waitcrt;
++atomic_unchecked_t fscache_n_relinquishes_retire;
+
+-atomic_t fscache_n_cookie_index;
+-atomic_t fscache_n_cookie_data;
+-atomic_t fscache_n_cookie_special;
++atomic_unchecked_t fscache_n_cookie_index;
++atomic_unchecked_t fscache_n_cookie_data;
++atomic_unchecked_t fscache_n_cookie_special;
+
+-atomic_t fscache_n_object_alloc;
+-atomic_t fscache_n_object_no_alloc;
+-atomic_t fscache_n_object_lookups;
+-atomic_t fscache_n_object_lookups_negative;
+-atomic_t fscache_n_object_lookups_positive;
+-atomic_t fscache_n_object_lookups_timed_out;
+-atomic_t fscache_n_object_created;
+-atomic_t fscache_n_object_avail;
+-atomic_t fscache_n_object_dead;
++atomic_unchecked_t fscache_n_object_alloc;
++atomic_unchecked_t fscache_n_object_no_alloc;
++atomic_unchecked_t fscache_n_object_lookups;
++atomic_unchecked_t fscache_n_object_lookups_negative;
++atomic_unchecked_t fscache_n_object_lookups_positive;
++atomic_unchecked_t fscache_n_object_lookups_timed_out;
++atomic_unchecked_t fscache_n_object_created;
++atomic_unchecked_t fscache_n_object_avail;
++atomic_unchecked_t fscache_n_object_dead;
+
+-atomic_t fscache_n_checkaux_none;
+-atomic_t fscache_n_checkaux_okay;
+-atomic_t fscache_n_checkaux_update;
+-atomic_t fscache_n_checkaux_obsolete;
++atomic_unchecked_t fscache_n_checkaux_none;
++atomic_unchecked_t fscache_n_checkaux_okay;
++atomic_unchecked_t fscache_n_checkaux_update;
++atomic_unchecked_t fscache_n_checkaux_obsolete;
+
+ atomic_t fscache_n_cop_alloc_object;
+ atomic_t fscache_n_cop_lookup_object;
+@@ -133,113 +133,113 @@ static int fscache_stats_show(struct seq_file *m, void *v)
+ seq_puts(m, "FS-Cache statistics\n");
+
+ seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n",
+- atomic_read(&fscache_n_cookie_index),
+- atomic_read(&fscache_n_cookie_data),
+- atomic_read(&fscache_n_cookie_special));
++ atomic_read_unchecked(&fscache_n_cookie_index),
++ atomic_read_unchecked(&fscache_n_cookie_data),
++ atomic_read_unchecked(&fscache_n_cookie_special));
+
+ seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n",
+- atomic_read(&fscache_n_object_alloc),
+- atomic_read(&fscache_n_object_no_alloc),
+- atomic_read(&fscache_n_object_avail),
+- atomic_read(&fscache_n_object_dead));
++ atomic_read_unchecked(&fscache_n_object_alloc),
++ atomic_read_unchecked(&fscache_n_object_no_alloc),
++ atomic_read_unchecked(&fscache_n_object_avail),
++ atomic_read_unchecked(&fscache_n_object_dead));
+ seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n",
+- atomic_read(&fscache_n_checkaux_none),
+- atomic_read(&fscache_n_checkaux_okay),
+- atomic_read(&fscache_n_checkaux_update),
+- atomic_read(&fscache_n_checkaux_obsolete));
++ atomic_read_unchecked(&fscache_n_checkaux_none),
++ atomic_read_unchecked(&fscache_n_checkaux_okay),
++ atomic_read_unchecked(&fscache_n_checkaux_update),
++ atomic_read_unchecked(&fscache_n_checkaux_obsolete));
+
+ seq_printf(m, "Pages : mrk=%u unc=%u\n",
+- atomic_read(&fscache_n_marks),
+- atomic_read(&fscache_n_uncaches));
++ atomic_read_unchecked(&fscache_n_marks),
++ atomic_read_unchecked(&fscache_n_uncaches));
+
+ seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
+ " oom=%u\n",
+- atomic_read(&fscache_n_acquires),
+- atomic_read(&fscache_n_acquires_null),
+- atomic_read(&fscache_n_acquires_no_cache),
+- atomic_read(&fscache_n_acquires_ok),
+- atomic_read(&fscache_n_acquires_nobufs),
+- atomic_read(&fscache_n_acquires_oom));
++ atomic_read_unchecked(&fscache_n_acquires),
++ atomic_read_unchecked(&fscache_n_acquires_null),
++ atomic_read_unchecked(&fscache_n_acquires_no_cache),
++ atomic_read_unchecked(&fscache_n_acquires_ok),
++ atomic_read_unchecked(&fscache_n_acquires_nobufs),
++ atomic_read_unchecked(&fscache_n_acquires_oom));
+
+ seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n",
+- atomic_read(&fscache_n_object_lookups),
+- atomic_read(&fscache_n_object_lookups_negative),
+- atomic_read(&fscache_n_object_lookups_positive),
+- atomic_read(&fscache_n_object_created),
+- atomic_read(&fscache_n_object_lookups_timed_out));
++ atomic_read_unchecked(&fscache_n_object_lookups),
++ atomic_read_unchecked(&fscache_n_object_lookups_negative),
++ atomic_read_unchecked(&fscache_n_object_lookups_positive),
++ atomic_read_unchecked(&fscache_n_object_created),
++ atomic_read_unchecked(&fscache_n_object_lookups_timed_out));
+
+ seq_printf(m, "Updates: n=%u nul=%u run=%u\n",
+- atomic_read(&fscache_n_updates),
+- atomic_read(&fscache_n_updates_null),
+- atomic_read(&fscache_n_updates_run));
++ atomic_read_unchecked(&fscache_n_updates),
++ atomic_read_unchecked(&fscache_n_updates_null),
++ atomic_read_unchecked(&fscache_n_updates_run));
+
+ seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n",
+- atomic_read(&fscache_n_relinquishes),
+- atomic_read(&fscache_n_relinquishes_null),
+- atomic_read(&fscache_n_relinquishes_waitcrt),
+- atomic_read(&fscache_n_relinquishes_retire));
++ atomic_read_unchecked(&fscache_n_relinquishes),
++ atomic_read_unchecked(&fscache_n_relinquishes_null),
++ atomic_read_unchecked(&fscache_n_relinquishes_waitcrt),
++ atomic_read_unchecked(&fscache_n_relinquishes_retire));
+
+ seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n",
+- atomic_read(&fscache_n_attr_changed),
+- atomic_read(&fscache_n_attr_changed_ok),
+- atomic_read(&fscache_n_attr_changed_nobufs),
+- atomic_read(&fscache_n_attr_changed_nomem),
+- atomic_read(&fscache_n_attr_changed_calls));
++ atomic_read_unchecked(&fscache_n_attr_changed),
++ atomic_read_unchecked(&fscache_n_attr_changed_ok),
++ atomic_read_unchecked(&fscache_n_attr_changed_nobufs),
++ atomic_read_unchecked(&fscache_n_attr_changed_nomem),
++ atomic_read_unchecked(&fscache_n_attr_changed_calls));
+
+ seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n",
+- atomic_read(&fscache_n_allocs),
+- atomic_read(&fscache_n_allocs_ok),
+- atomic_read(&fscache_n_allocs_wait),
+- atomic_read(&fscache_n_allocs_nobufs),
+- atomic_read(&fscache_n_allocs_intr));
++ atomic_read_unchecked(&fscache_n_allocs),
++ atomic_read_unchecked(&fscache_n_allocs_ok),
++ atomic_read_unchecked(&fscache_n_allocs_wait),
++ atomic_read_unchecked(&fscache_n_allocs_nobufs),
++ atomic_read_unchecked(&fscache_n_allocs_intr));
+ seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n",
+- atomic_read(&fscache_n_alloc_ops),
+- atomic_read(&fscache_n_alloc_op_waits),
+- atomic_read(&fscache_n_allocs_object_dead));
++ atomic_read_unchecked(&fscache_n_alloc_ops),
++ atomic_read_unchecked(&fscache_n_alloc_op_waits),
++ atomic_read_unchecked(&fscache_n_allocs_object_dead));
+
+ seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u"
+ " int=%u oom=%u\n",
+- atomic_read(&fscache_n_retrievals),
+- atomic_read(&fscache_n_retrievals_ok),
+- atomic_read(&fscache_n_retrievals_wait),
+- atomic_read(&fscache_n_retrievals_nodata),
+- atomic_read(&fscache_n_retrievals_nobufs),
+- atomic_read(&fscache_n_retrievals_intr),
+- atomic_read(&fscache_n_retrievals_nomem));
++ atomic_read_unchecked(&fscache_n_retrievals),
++ atomic_read_unchecked(&fscache_n_retrievals_ok),
++ atomic_read_unchecked(&fscache_n_retrievals_wait),
++ atomic_read_unchecked(&fscache_n_retrievals_nodata),
++ atomic_read_unchecked(&fscache_n_retrievals_nobufs),
++ atomic_read_unchecked(&fscache_n_retrievals_intr),
++ atomic_read_unchecked(&fscache_n_retrievals_nomem));
+ seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n",
+- atomic_read(&fscache_n_retrieval_ops),
+- atomic_read(&fscache_n_retrieval_op_waits),
+- atomic_read(&fscache_n_retrievals_object_dead));
++ atomic_read_unchecked(&fscache_n_retrieval_ops),
++ atomic_read_unchecked(&fscache_n_retrieval_op_waits),
++ atomic_read_unchecked(&fscache_n_retrievals_object_dead));
+
+ seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n",
+- atomic_read(&fscache_n_stores),
+- atomic_read(&fscache_n_stores_ok),
+- atomic_read(&fscache_n_stores_again),
+- atomic_read(&fscache_n_stores_nobufs),
+- atomic_read(&fscache_n_stores_oom));
++ atomic_read_unchecked(&fscache_n_stores),
++ atomic_read_unchecked(&fscache_n_stores_ok),
++ atomic_read_unchecked(&fscache_n_stores_again),
++ atomic_read_unchecked(&fscache_n_stores_nobufs),
++ atomic_read_unchecked(&fscache_n_stores_oom));
+ seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n",
+- atomic_read(&fscache_n_store_ops),
+- atomic_read(&fscache_n_store_calls),
+- atomic_read(&fscache_n_store_pages),
+- atomic_read(&fscache_n_store_radix_deletes),
+- atomic_read(&fscache_n_store_pages_over_limit));
++ atomic_read_unchecked(&fscache_n_store_ops),
++ atomic_read_unchecked(&fscache_n_store_calls),
++ atomic_read_unchecked(&fscache_n_store_pages),
++ atomic_read_unchecked(&fscache_n_store_radix_deletes),
++ atomic_read_unchecked(&fscache_n_store_pages_over_limit));
+
+ seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u\n",
+- atomic_read(&fscache_n_store_vmscan_not_storing),
+- atomic_read(&fscache_n_store_vmscan_gone),
+- atomic_read(&fscache_n_store_vmscan_busy),
+- atomic_read(&fscache_n_store_vmscan_cancelled));
++ atomic_read_unchecked(&fscache_n_store_vmscan_not_storing),
++ atomic_read_unchecked(&fscache_n_store_vmscan_gone),
++ atomic_read_unchecked(&fscache_n_store_vmscan_busy),
++ atomic_read_unchecked(&fscache_n_store_vmscan_cancelled));
+
+ seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n",
+- atomic_read(&fscache_n_op_pend),
+- atomic_read(&fscache_n_op_run),
+- atomic_read(&fscache_n_op_enqueue),
+- atomic_read(&fscache_n_op_cancelled),
+- atomic_read(&fscache_n_op_rejected));
++ atomic_read_unchecked(&fscache_n_op_pend),
++ atomic_read_unchecked(&fscache_n_op_run),
++ atomic_read_unchecked(&fscache_n_op_enqueue),
++ atomic_read_unchecked(&fscache_n_op_cancelled),
++ atomic_read_unchecked(&fscache_n_op_rejected));
+ seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n",
+- atomic_read(&fscache_n_op_deferred_release),
+- atomic_read(&fscache_n_op_release),
+- atomic_read(&fscache_n_op_gc));
++ atomic_read_unchecked(&fscache_n_op_deferred_release),
++ atomic_read_unchecked(&fscache_n_op_release),
++ atomic_read_unchecked(&fscache_n_op_gc));
+
+ seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n",
+ atomic_read(&fscache_n_cop_alloc_object),
+diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
+index ee8d550..7189d8c 100644
+--- a/fs/fuse/cuse.c
++++ b/fs/fuse/cuse.c
+@@ -585,10 +585,12 @@ static int __init cuse_init(void)
+ INIT_LIST_HEAD(&cuse_conntbl[i]);
+
+ /* inherit and extend fuse_dev_operations */
+- cuse_channel_fops = fuse_dev_operations;
+- cuse_channel_fops.owner = THIS_MODULE;
+- cuse_channel_fops.open = cuse_channel_open;
+- cuse_channel_fops.release = cuse_channel_release;
++ pax_open_kernel();
++ memcpy((void *)&cuse_channel_fops, &fuse_dev_operations, sizeof(fuse_dev_operations));
++ *(void **)&cuse_channel_fops.owner = THIS_MODULE;
++ *(void **)&cuse_channel_fops.open = cuse_channel_open;
++ *(void **)&cuse_channel_fops.release = cuse_channel_release;
++ pax_close_kernel();
+
+ cuse_class = class_create(THIS_MODULE, "cuse");
+ if (IS_ERR(cuse_class))
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
+index f4246cf..b4aed1d 100644
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -1242,7 +1242,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
+ ret = 0;
+ pipe_lock(pipe);
+
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ if (!ret)
+ ret = -EPIPE;
+diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
+index 324bc08..4fdd56e 100644
+--- a/fs/fuse/dir.c
++++ b/fs/fuse/dir.c
+@@ -1226,7 +1226,7 @@ static char *read_link(struct dentry *dentry)
+ return link;
+ }
+
+-static void free_link(char *link)
++static void free_link(const char *link)
+ {
+ if (!IS_ERR(link))
+ free_page((unsigned long) link);
+diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
+index 753af3d..f7b021a 100644
+--- a/fs/gfs2/inode.c
++++ b/fs/gfs2/inode.c
+@@ -1498,7 +1498,7 @@ out:
+
+ static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
+ {
+- char *s = nd_get_link(nd);
++ const char *s = nd_get_link(nd);
+ if (!IS_ERR(s))
+ kfree(s);
+ }
+diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
+index 8349a89..51a0254 100644
+--- a/fs/hugetlbfs/inode.c
++++ b/fs/hugetlbfs/inode.c
+@@ -920,7 +920,7 @@ static struct file_system_type hugetlbfs_fs_type = {
+ .kill_sb = kill_litter_super,
+ };
+
+-static struct vfsmount *hugetlbfs_vfsmount;
++struct vfsmount *hugetlbfs_vfsmount;
+
+ static int can_do_hugetlb_shm(void)
+ {
+diff --git a/fs/inode.c b/fs/inode.c
+index ac8d904..9f45d40 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -867,8 +867,8 @@ unsigned int get_next_ino(void)
+
+ #ifdef CONFIG_SMP
+ if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) {
+- static atomic_t shared_last_ino;
+- int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino);
++ static atomic_unchecked_t shared_last_ino;
++ int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino);
+
+ res = next - LAST_INO_BATCH;
+ }
+diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
+index 4a6cf28..d3a29d3 100644
+--- a/fs/jffs2/erase.c
++++ b/fs/jffs2/erase.c
+@@ -452,7 +452,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
+ struct jffs2_unknown_node marker = {
+ .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK),
+ .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
+- .totlen = cpu_to_je32(c->cleanmarker_size)
++ .totlen = cpu_to_je32(c->cleanmarker_size),
++ .hdr_crc = cpu_to_je32(0)
+ };
+
+ jffs2_prealloc_raw_node_refs(c, jeb, 1);
+diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
+index a6597d6..41b30ec 100644
+--- a/fs/jffs2/wbuf.c
++++ b/fs/jffs2/wbuf.c
+@@ -1023,7 +1023,8 @@ static const struct jffs2_unknown_node oob_cleanmarker =
+ {
+ .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK),
+ .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
+- .totlen = constant_cpu_to_je32(8)
++ .totlen = constant_cpu_to_je32(8),
++ .hdr_crc = constant_cpu_to_je32(0)
+ };
+
+ /*
+diff --git a/fs/jfs/super.c b/fs/jfs/super.c
+index c55c745..f67ee56 100644
+--- a/fs/jfs/super.c
++++ b/fs/jfs/super.c
+@@ -806,7 +806,7 @@ static int __init init_jfs_fs(void)
+
+ jfs_inode_cachep =
+ kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
+- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
++ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY,
+ init_once);
+ if (jfs_inode_cachep == NULL)
+ return -ENOMEM;
+diff --git a/fs/libfs.c b/fs/libfs.c
+index a74cb17..37fcbe4 100644
+--- a/fs/libfs.c
++++ b/fs/libfs.c
+@@ -165,6 +165,9 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
+
+ for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
+ struct dentry *next;
++ char d_name[sizeof(next->d_iname)];
++ const unsigned char *name;
++
+ next = list_entry(p, struct dentry, d_u.d_child);
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+@@ -174,7 +177,12 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
+
+ spin_unlock(&next->d_lock);
+ spin_unlock(&dentry->d_lock);
+- if (filldir(dirent, next->d_name.name,
++ name = next->d_name.name;
++ if (name == next->d_iname) {
++ memcpy(d_name, name, next->d_name.len);
++ name = d_name;
++ }
++ if (filldir(dirent, name,
+ next->d_name.len, filp->f_pos,
+ next->d_inode->i_ino,
+ dt_type(next->d_inode)) < 0)
+diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
+index 05d2912..760abfa 100644
+--- a/fs/lockd/clntproc.c
++++ b/fs/lockd/clntproc.c
+@@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt_cancel_ops;
+ /*
+ * Cookie counter for NLM requests
+ */
+-static atomic_t nlm_cookie = ATOMIC_INIT(0x1234);
++static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234);
+
+ void nlmclnt_next_cookie(struct nlm_cookie *c)
+ {
+- u32 cookie = atomic_inc_return(&nlm_cookie);
++ u32 cookie = atomic_inc_return_unchecked(&nlm_cookie);
+
+ memcpy(c->data, &cookie, 4);
+ c->len=4;
+diff --git a/fs/locks.c b/fs/locks.c
+index 7e81bfc..c3649aa 100644
+--- a/fs/locks.c
++++ b/fs/locks.c
+@@ -2066,16 +2066,16 @@ void locks_remove_flock(struct file *filp)
+ return;
+
+ if (filp->f_op && filp->f_op->flock) {
+- struct file_lock fl = {
++ struct file_lock flock = {
+ .fl_pid = current->tgid,
+ .fl_file = filp,
+ .fl_flags = FL_FLOCK,
+ .fl_type = F_UNLCK,
+ .fl_end = OFFSET_MAX,
+ };
+- filp->f_op->flock(filp, F_SETLKW, &fl);
+- if (fl.fl_ops && fl.fl_ops->fl_release_private)
+- fl.fl_ops->fl_release_private(&fl);
++ filp->f_op->flock(filp, F_SETLKW, &flock);
++ if (flock.fl_ops && flock.fl_ops->fl_release_private)
++ flock.fl_ops->fl_release_private(&flock);
+ }
+
+ lock_flocks();
+diff --git a/fs/namei.c b/fs/namei.c
+index 091c4b7..fbcb268 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -265,16 +265,32 @@ int generic_permission(struct inode *inode, int mask)
+ if (ret != -EACCES)
+ return ret;
+
++#ifdef CONFIG_GRKERNSEC
++ /* we'll block if we have to log due to a denied capability use */
++ if (mask & MAY_NOT_BLOCK)
++ return -ECHILD;
++#endif
++
+ if (S_ISDIR(inode->i_mode)) {
+ /* DACs are overridable for directories */
+- if (inode_capable(inode, CAP_DAC_OVERRIDE))
+- return 0;
+ if (!(mask & MAY_WRITE))
+- if (inode_capable(inode, CAP_DAC_READ_SEARCH))
++ if (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) ||
++ inode_capable(inode, CAP_DAC_READ_SEARCH))
+ return 0;
++ if (inode_capable(inode, CAP_DAC_OVERRIDE))
++ return 0;
+ return -EACCES;
+ }
+ /*
++ * Searching includes executable on directories, else just read.
++ */
++ mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
++ if (mask == MAY_READ)
++ if (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) ||
++ inode_capable(inode, CAP_DAC_READ_SEARCH))
++ return 0;
++
++ /*
+ * Read/write DACs are always overridable.
+ * Executable DACs are overridable when there is
+ * at least one exec bit set.
+@@ -283,14 +299,6 @@ int generic_permission(struct inode *inode, int mask)
+ if (inode_capable(inode, CAP_DAC_OVERRIDE))
+ return 0;
+
+- /*
+- * Searching includes executable on directories, else just read.
+- */
+- mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
+- if (mask == MAY_READ)
+- if (inode_capable(inode, CAP_DAC_READ_SEARCH))
+- return 0;
+-
+ return -EACCES;
+ }
+
+@@ -772,7 +780,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
+ {
+ struct dentry *dentry = link->dentry;
+ int error;
+- char *s;
++ const char *s;
+
+ BUG_ON(nd->flags & LOOKUP_RCU);
+
+@@ -793,6 +801,12 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
+ if (error)
+ goto out_put_nd_path;
+
++ if (gr_handle_follow_link(dentry->d_parent->d_inode,
++ dentry->d_inode, dentry, nd->path.mnt)) {
++ error = -EACCES;
++ goto out_put_nd_path;
++ }
++
+ nd->last_type = LAST_BIND;
+ *p = dentry->d_inode->i_op->follow_link(dentry, nd);
+ error = PTR_ERR(*p);
+@@ -1550,6 +1564,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd)
+ break;
+ res = walk_component(nd, path, &nd->last,
+ nd->last_type, LOOKUP_FOLLOW);
++ if (res >= 0 && gr_handle_symlink_owner(&link, nd->inode))
++ res = -EACCES;
+ put_link(nd, &link, cookie);
+ } while (res > 0);
+
+@@ -1648,7 +1664,7 @@ EXPORT_SYMBOL(full_name_hash);
+ static inline unsigned long hash_name(const char *name, unsigned int *hashp)
+ {
+ unsigned long a, b, adata, bdata, mask, hash, len;
+- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
++ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+
+ hash = a = 0;
+ len = -sizeof(unsigned long);
+@@ -1943,6 +1959,8 @@ static int path_lookupat(int dfd, const char *name,
+ if (err)
+ break;
+ err = lookup_last(nd, &path);
++ if (!err && gr_handle_symlink_owner(&link, nd->inode))
++ err = -EACCES;
+ put_link(nd, &link, cookie);
+ }
+ }
+@@ -1950,6 +1968,21 @@ static int path_lookupat(int dfd, const char *name,
+ if (!err)
+ err = complete_walk(nd);
+
++ if (!(nd->flags & LOOKUP_PARENT)) {
++#ifdef CONFIG_GRKERNSEC
++ if (flags & LOOKUP_RCU) {
++ if (!err)
++ path_put(&nd->path);
++ err = -ECHILD;
++ } else
++#endif
++ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
++ if (!err)
++ path_put(&nd->path);
++ err = -ENOENT;
++ }
++ }
++
+ if (!err && nd->flags & LOOKUP_DIRECTORY) {
+ if (!nd->inode->i_op->lookup) {
+ path_put(&nd->path);
+@@ -1977,6 +2010,15 @@ static int do_path_lookup(int dfd, const char *name,
+ retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd);
+
+ if (likely(!retval)) {
++ if (*name != '/' && nd->path.dentry && nd->inode) {
++#ifdef CONFIG_GRKERNSEC
++ if (flags & LOOKUP_RCU)
++ return -ECHILD;
++#endif
++ if (!gr_chroot_fchdir(nd->path.dentry, nd->path.mnt))
++ return -ENOENT;
++ }
++
+ if (unlikely(!audit_dummy_context())) {
+ if (nd->path.dentry && nd->inode)
+ audit_inode(name, nd->path.dentry);
+@@ -2336,6 +2378,13 @@ static int may_open(struct path *path, int acc_mode, int flag)
+ if (flag & O_NOATIME && !inode_owner_or_capable(inode))
+ return -EPERM;
+
++ if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode))
++ return -EPERM;
++ if (gr_handle_rawio(inode))
++ return -EPERM;
++ if (!gr_acl_handle_open(dentry, path->mnt, acc_mode))
++ return -EACCES;
++
+ return 0;
+ }
+
+@@ -2557,7 +2606,7 @@ looked_up:
+ * cleared otherwise prior to returning.
+ */
+ static int lookup_open(struct nameidata *nd, struct path *path,
+- struct file *file,
++ struct path *link, struct file *file,
+ const struct open_flags *op,
+ bool got_write, int *opened)
+ {
+@@ -2592,6 +2641,17 @@ static int lookup_open(struct nameidata *nd, struct path *path,
+ /* Negative dentry, just create the file */
+ if (!dentry->d_inode && (op->open_flag & O_CREAT)) {
+ umode_t mode = op->mode;
++
++ if (link && gr_handle_symlink_owner(link, dir->d_inode)) {
++ error = -EACCES;
++ goto out_dput;
++ }
++
++ if (!gr_acl_handle_creat(dentry, dir, nd->path.mnt, op->open_flag, op->acc_mode, mode)) {
++ error = -EACCES;
++ goto out_dput;
++ }
++
+ if (!IS_POSIXACL(dir->d_inode))
+ mode &= ~current_umask();
+ /*
+@@ -2613,6 +2673,8 @@ static int lookup_open(struct nameidata *nd, struct path *path,
+ nd->flags & LOOKUP_EXCL);
+ if (error)
+ goto out_dput;
++ else
++ gr_handle_create(dentry, nd->path.mnt);
+ }
+ out_no_open:
+ path->dentry = dentry;
+@@ -2627,7 +2689,7 @@ out_dput:
+ /*
+ * Handle the last step of open()
+ */
+-static int do_last(struct nameidata *nd, struct path *path,
++static int do_last(struct nameidata *nd, struct path *path, struct path *link,
+ struct file *file, const struct open_flags *op,
+ int *opened, const char *pathname)
+ {
+@@ -2656,16 +2718,44 @@ static int do_last(struct nameidata *nd, struct path *path,
+ error = complete_walk(nd);
+ if (error)
+ return error;
++#ifdef CONFIG_GRKERNSEC
++ if (nd->flags & LOOKUP_RCU) {
++ error = -ECHILD;
++ goto out;
++ }
++#endif
++ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
++ error = -ENOENT;
++ goto out;
++ }
+ audit_inode(pathname, nd->path.dentry);
+ if (open_flag & O_CREAT) {
+ error = -EISDIR;
+ goto out;
+ }
++ if (link && gr_handle_symlink_owner(link, nd->inode)) {
++ error = -EACCES;
++ goto out;
++ }
+ goto finish_open;
+ case LAST_BIND:
+ error = complete_walk(nd);
+ if (error)
+ return error;
++#ifdef CONFIG_GRKERNSEC
++ if (nd->flags & LOOKUP_RCU) {
++ error = -ECHILD;
++ goto out;
++ }
++#endif
++ if (!gr_acl_handle_hidden_file(dir, nd->path.mnt)) {
++ error = -ENOENT;
++ goto out;
++ }
++ if (link && gr_handle_symlink_owner(link, nd->inode)) {
++ error = -EACCES;
++ goto out;
++ }
+ audit_inode(pathname, dir);
+ goto finish_open;
+ }
+@@ -2714,7 +2804,7 @@ retry_lookup:
+ */
+ }
+ mutex_lock(&dir->d_inode->i_mutex);
+- error = lookup_open(nd, path, file, op, got_write, opened);
++ error = lookup_open(nd, path, link, file, op, got_write, opened);
+ mutex_unlock(&dir->d_inode->i_mutex);
+
+ if (error <= 0) {
+@@ -2738,11 +2828,28 @@ retry_lookup:
+ goto finish_open_created;
+ }
+
++ if (!gr_acl_handle_hidden_file(path->dentry, nd->path.mnt)) {
++ error = -ENOENT;
++ goto exit_dput;
++ }
++ if (link && gr_handle_symlink_owner(link, path->dentry->d_inode)) {
++ error = -EACCES;
++ goto exit_dput;
++ }
++
+ /*
+ * create/update audit record if it already exists.
+ */
+- if (path->dentry->d_inode)
++ if (path->dentry->d_inode) {
++ /* only check if O_CREAT is specified, all other checks need to go
++ into may_open */
++ if (gr_handle_fifo(path->dentry, path->mnt, dir, open_flag, acc_mode)) {
++ error = -EACCES;
++ goto exit_dput;
++ }
++
+ audit_inode(pathname, path->dentry);
++ }
+
+ /*
+ * If atomic_open() acquired write access it is dropped now due to
+@@ -2783,6 +2890,11 @@ finish_lookup:
+ }
+ }
+ BUG_ON(inode != path->dentry->d_inode);
++ /* if we're resolving a symlink to another symlink */
++ if (link && gr_handle_symlink_owner(link, inode)) {
++ error = -EACCES;
++ goto out;
++ }
+ return 1;
+ }
+
+@@ -2792,7 +2904,6 @@ finish_lookup:
+ save_parent.dentry = nd->path.dentry;
+ save_parent.mnt = mntget(path->mnt);
+ nd->path.dentry = path->dentry;
+-
+ }
+ nd->inode = inode;
+ /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
+@@ -2801,6 +2912,22 @@ finish_lookup:
+ path_put(&save_parent);
+ return error;
+ }
++
++#ifdef CONFIG_GRKERNSEC
++ if (nd->flags & LOOKUP_RCU) {
++ error = -ECHILD;
++ goto out;
++ }
++#endif
++ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
++ error = -ENOENT;
++ goto out;
++ }
++ if (link && gr_handle_symlink_owner(link, nd->inode)) {
++ error = -EACCES;
++ goto out;
++ }
++
+ error = -EISDIR;
+ if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode))
+ goto out;
+@@ -2899,7 +3026,7 @@ static struct file *path_openat(int dfd, const char *pathname,
+ if (unlikely(error))
+ goto out;
+
+- error = do_last(nd, &path, file, op, &opened, pathname);
++ error = do_last(nd, &path, NULL, file, op, &opened, pathname);
+ while (unlikely(error > 0)) { /* trailing symlink */
+ struct path link = path;
+ void *cookie;
+@@ -2917,7 +3044,7 @@ static struct file *path_openat(int dfd, const char *pathname,
+ error = follow_link(&link, nd, &cookie);
+ if (unlikely(error))
+ break;
+- error = do_last(nd, &path, file, op, &opened, pathname);
++ error = do_last(nd, &path, &link, file, op, &opened, pathname);
+ put_link(nd, &link, cookie);
+ }
+ out:
+@@ -3006,8 +3133,12 @@ struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path
+ goto unlock;
+
+ error = -EEXIST;
+- if (dentry->d_inode)
++ if (dentry->d_inode) {
++ if (!gr_acl_handle_hidden_file(dentry, nd.path.mnt)) {
++ error = -ENOENT;
++ }
+ goto fail;
++ }
+ /*
+ * Special case - lookup gave negative, but... we had foo/bar/
+ * From the vfs_mknod() POV we just have a negative dentry -
+@@ -3058,6 +3189,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat
+ }
+ EXPORT_SYMBOL(user_path_create);
+
++static struct dentry *user_path_create_with_name(int dfd, const char __user *pathname, struct path *path, char **to, int is_dir)
++{
++ char *tmp = getname(pathname);
++ struct dentry *res;
++ if (IS_ERR(tmp))
++ return ERR_CAST(tmp);
++ res = kern_path_create(dfd, tmp, path, is_dir);
++ if (IS_ERR(res))
++ putname(tmp);
++ else
++ *to = tmp;
++ return res;
++}
++
+ int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+ {
+ int error = may_create(dir, dentry);
+@@ -3119,6 +3264,17 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+
+ if (!IS_POSIXACL(path.dentry->d_inode))
+ mode &= ~current_umask();
++
++ if (gr_handle_chroot_mknod(dentry, path.mnt, mode)) {
++ error = -EPERM;
++ goto out;
++ }
++
++ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
++ error = -EACCES;
++ goto out;
++ }
++
+ error = security_path_mknod(&path, dentry, mode, dev);
+ if (error)
+ goto out;
+@@ -3135,6 +3291,8 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+ break;
+ }
+ out:
++ if (!error)
++ gr_handle_create(dentry, path.mnt);
+ done_path_create(&path, dentry);
+ return error;
+ }
+@@ -3181,9 +3339,18 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+
+ if (!IS_POSIXACL(path.dentry->d_inode))
+ mode &= ~current_umask();
++
++ if (!gr_acl_handle_mkdir(dentry, path.dentry, path.mnt)) {
++ error = -EACCES;
++ goto out;
++ }
++
+ error = security_path_mkdir(&path, dentry, mode);
+ if (!error)
+ error = vfs_mkdir(path.dentry->d_inode, dentry, mode);
++ if (!error)
++ gr_handle_create(dentry, path.mnt);
++out:
+ done_path_create(&path, dentry);
+ return error;
+ }
+@@ -3260,6 +3427,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
+ char * name;
+ struct dentry *dentry;
+ struct nameidata nd;
++ ino_t saved_ino = 0;
++ dev_t saved_dev = 0;
+
+ error = user_path_parent(dfd, pathname, &nd, &name);
+ if (error)
+@@ -3291,10 +3460,21 @@ static long do_rmdir(int dfd, const char __user *pathname)
+ error = -ENOENT;
+ goto exit3;
+ }
++
++ saved_ino = dentry->d_inode->i_ino;
++ saved_dev = gr_get_dev_from_dentry(dentry);
++
++ if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) {
++ error = -EACCES;
++ goto exit3;
++ }
++
+ error = security_path_rmdir(&nd.path, dentry);
+ if (error)
+ goto exit3;
+ error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
++ if (!error && (saved_dev || saved_ino))
++ gr_handle_delete(saved_ino, saved_dev);
+ exit3:
+ dput(dentry);
+ exit2:
+@@ -3356,6 +3536,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
+ struct dentry *dentry;
+ struct nameidata nd;
+ struct inode *inode = NULL;
++ ino_t saved_ino = 0;
++ dev_t saved_dev = 0;
+
+ error = user_path_parent(dfd, pathname, &nd, &name);
+ if (error)
+@@ -3381,10 +3563,22 @@ static long do_unlinkat(int dfd, const char __user *pathname)
+ if (!inode)
+ goto slashes;
+ ihold(inode);
++
++ if (inode->i_nlink <= 1) {
++ saved_ino = inode->i_ino;
++ saved_dev = gr_get_dev_from_dentry(dentry);
++ }
++ if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) {
++ error = -EACCES;
++ goto exit2;
++ }
++
+ error = security_path_unlink(&nd.path, dentry);
+ if (error)
+ goto exit2;
+ error = vfs_unlink(nd.path.dentry->d_inode, dentry);
++ if (!error && (saved_ino || saved_dev))
++ gr_handle_delete(saved_ino, saved_dev);
+ exit2:
+ dput(dentry);
+ }
+@@ -3456,9 +3650,17 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
+ if (IS_ERR(dentry))
+ goto out_putname;
+
++ if (!gr_acl_handle_symlink(dentry, path.dentry, path.mnt, from)) {
++ error = -EACCES;
++ goto out;
++ }
++
+ error = security_path_symlink(&path, dentry, from);
+ if (!error)
+ error = vfs_symlink(path.dentry->d_inode, dentry, from);
++ if (!error)
++ gr_handle_create(dentry, path.mnt);
++out:
+ done_path_create(&path, dentry);
+ out_putname:
+ putname(from);
+@@ -3528,6 +3730,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+ {
+ struct dentry *new_dentry;
+ struct path old_path, new_path;
++ char *to = NULL;
+ int how = 0;
+ int error;
+
+@@ -3551,7 +3754,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+ if (error)
+ return error;
+
+- new_dentry = user_path_create(newdfd, newname, &new_path, 0);
++ new_dentry = user_path_create_with_name(newdfd, newname, &new_path, &to, 0);
+ error = PTR_ERR(new_dentry);
+ if (IS_ERR(new_dentry))
+ goto out;
+@@ -3562,11 +3765,28 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+ error = may_linkat(&old_path);
+ if (unlikely(error))
+ goto out_dput;
++
++ if (gr_handle_hardlink(old_path.dentry, old_path.mnt,
++ old_path.dentry->d_inode,
++ old_path.dentry->d_inode->i_mode, to)) {
++ error = -EACCES;
++ goto out_dput;
++ }
++
++ if (!gr_acl_handle_link(new_dentry, new_path.dentry, new_path.mnt,
++ old_path.dentry, old_path.mnt, to)) {
++ error = -EACCES;
++ goto out_dput;
++ }
++
+ error = security_path_link(old_path.dentry, &new_path, new_dentry);
+ if (error)
+ goto out_dput;
+ error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry);
++ if (!error)
++ gr_handle_create(new_dentry, new_path.mnt);
+ out_dput:
++ putname(to);
+ done_path_create(&new_path, new_dentry);
+ out:
+ path_put(&old_path);
+@@ -3802,12 +4022,21 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
+ if (new_dentry == trap)
+ goto exit5;
+
++ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt,
++ old_dentry, old_dir->d_inode, oldnd.path.mnt,
++ to);
++ if (error)
++ goto exit5;
++
+ error = security_path_rename(&oldnd.path, old_dentry,
+ &newnd.path, new_dentry);
+ if (error)
+ goto exit5;
+ error = vfs_rename(old_dir->d_inode, old_dentry,
+ new_dir->d_inode, new_dentry);
++ if (!error)
++ gr_handle_rename(old_dir->d_inode, new_dir->d_inode, old_dentry,
++ new_dentry, oldnd.path.mnt, new_dentry->d_inode ? 1 : 0);
+ exit5:
+ dput(new_dentry);
+ exit4:
+@@ -3832,6 +4061,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna
+
+ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link)
+ {
++ char tmpbuf[64];
++ const char *newlink;
+ int len;
+
+ len = PTR_ERR(link);
+@@ -3841,7 +4072,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c
+ len = strlen(link);
+ if (len > (unsigned) buflen)
+ len = buflen;
+- if (copy_to_user(buffer, link, len))
++
++ if (len < sizeof(tmpbuf)) {
++ memcpy(tmpbuf, link, len);
++ newlink = tmpbuf;
++ } else
++ newlink = link;
++
++ if (copy_to_user(buffer, newlink, len))
+ len = -EFAULT;
+ out:
+ return len;
+diff --git a/fs/namespace.c b/fs/namespace.c
+index 7bdf790..eb79c4b 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -1212,6 +1212,9 @@ static int do_umount(struct mount *mnt, int flags)
+ if (!(sb->s_flags & MS_RDONLY))
+ retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
+ up_write(&sb->s_umount);
++
++ gr_log_remount(mnt->mnt_devname, retval);
++
+ return retval;
+ }
+
+@@ -1231,6 +1234,9 @@ static int do_umount(struct mount *mnt, int flags)
+ br_write_unlock(&vfsmount_lock);
+ up_write(&namespace_sem);
+ release_mounts(&umount_list);
++
++ gr_log_unmount(mnt->mnt_devname, retval);
++
+ return retval;
+ }
+
+@@ -2244,6 +2250,16 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
+ MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
+ MS_STRICTATIME);
+
++ if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) {
++ retval = -EPERM;
++ goto dput_out;
++ }
++
++ if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) {
++ retval = -EPERM;
++ goto dput_out;
++ }
++
+ if (flags & MS_REMOUNT)
+ retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
+ data_page);
+@@ -2258,6 +2274,9 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
+ dev_name, data_page);
+ dput_out:
+ path_put(&path);
++
++ gr_log_mount(dev_name, dir_name, retval);
++
+ return retval;
+ }
+
+@@ -2516,6 +2535,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
+ if (error)
+ goto out2;
+
++ if (gr_handle_chroot_pivot()) {
++ error = -EPERM;
++ goto out2;
++ }
++
+ get_fs_root(current->fs, &root);
+ error = lock_mount(&old);
+ if (error)
+diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
+index 9b47610..066975e 100644
+--- a/fs/nfs/inode.c
++++ b/fs/nfs/inode.c
+@@ -1026,16 +1026,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt
+ return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
+ }
+
+-static atomic_long_t nfs_attr_generation_counter;
++static atomic_long_unchecked_t nfs_attr_generation_counter;
+
+ static unsigned long nfs_read_attr_generation_counter(void)
+ {
+- return atomic_long_read(&nfs_attr_generation_counter);
++ return atomic_long_read_unchecked(&nfs_attr_generation_counter);
+ }
+
+ unsigned long nfs_inc_attr_generation_counter(void)
+ {
+- return atomic_long_inc_return(&nfs_attr_generation_counter);
++ return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter);
+ }
+
+ void nfs_fattr_init(struct nfs_fattr *fattr)
+diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
+index a9269f1..5490437 100644
+--- a/fs/nfsd/vfs.c
++++ b/fs/nfsd/vfs.c
+@@ -941,7 +941,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
+ } else {
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+- host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset);
++ host_err = vfs_readv(file, (struct iovec __force_user *)vec, vlen, &offset);
+ set_fs(oldfs);
+ }
+
+@@ -1045,7 +1045,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
+
+ /* Write the data. */
+ oldfs = get_fs(); set_fs(KERNEL_DS);
+- host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &offset);
++ host_err = vfs_writev(file, (struct iovec __force_user *)vec, vlen, &offset);
+ set_fs(oldfs);
+ if (host_err < 0)
+ goto out_nfserr;
+@@ -1581,7 +1581,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
+ */
+
+ oldfs = get_fs(); set_fs(KERNEL_DS);
+- host_err = inode->i_op->readlink(path.dentry, buf, *lenp);
++ host_err = inode->i_op->readlink(path.dentry, (char __force_user *)buf, *lenp);
+ set_fs(oldfs);
+
+ if (host_err < 0)
+diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
+index d438036..0ecadde 100644
+--- a/fs/notify/fanotify/fanotify_user.c
++++ b/fs/notify/fanotify/fanotify_user.c
+@@ -274,7 +274,8 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
+ goto out_close_fd;
+
+ ret = -EFAULT;
+- if (copy_to_user(buf, &fanotify_event_metadata,
++ if (fanotify_event_metadata.event_len > sizeof fanotify_event_metadata ||
++ copy_to_user(buf, &fanotify_event_metadata,
+ fanotify_event_metadata.event_len))
+ goto out_kill_access_response;
+
+diff --git a/fs/notify/notification.c b/fs/notify/notification.c
+index c887b13..0fdf472 100644
+--- a/fs/notify/notification.c
++++ b/fs/notify/notification.c
+@@ -57,7 +57,7 @@ static struct kmem_cache *fsnotify_event_holder_cachep;
+ * get set to 0 so it will never get 'freed'
+ */
+ static struct fsnotify_event *q_overflow_event;
+-static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
++static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0);
+
+ /**
+ * fsnotify_get_cookie - return a unique cookie for use in synchronizing events.
+@@ -65,7 +65,7 @@ static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
+ */
+ u32 fsnotify_get_cookie(void)
+ {
+- return atomic_inc_return(&fsnotify_sync_cookie);
++ return atomic_inc_return_unchecked(&fsnotify_sync_cookie);
+ }
+ EXPORT_SYMBOL_GPL(fsnotify_get_cookie);
+
+diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
+index 99e3610..02c1068 100644
+--- a/fs/ntfs/dir.c
++++ b/fs/ntfs/dir.c
+@@ -1329,7 +1329,7 @@ find_next_index_buffer:
+ ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK &
+ ~(s64)(ndir->itype.index.block_size - 1)));
+ /* Bounds checks. */
+- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
++ if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
+ ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
+ "inode 0x%lx or driver bug.", vdir->i_ino);
+ goto err_out;
+diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
+index 1ecf464..e1ff8bf 100644
+--- a/fs/ntfs/file.c
++++ b/fs/ntfs/file.c
+@@ -2232,6 +2232,6 @@ const struct inode_operations ntfs_file_inode_ops = {
+ #endif /* NTFS_RW */
+ };
+
+-const struct file_operations ntfs_empty_file_ops = {};
++const struct file_operations ntfs_empty_file_ops __read_only;
+
+-const struct inode_operations ntfs_empty_inode_ops = {};
++const struct inode_operations ntfs_empty_inode_ops __read_only;
+diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
+index a9f78c7..ed8a381 100644
+--- a/fs/ocfs2/localalloc.c
++++ b/fs/ocfs2/localalloc.c
+@@ -1279,7 +1279,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
+ goto bail;
+ }
+
+- atomic_inc(&osb->alloc_stats.moves);
++ atomic_inc_unchecked(&osb->alloc_stats.moves);
+
+ bail:
+ if (handle)
+diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
+index d355e6e..578d905 100644
+--- a/fs/ocfs2/ocfs2.h
++++ b/fs/ocfs2/ocfs2.h
+@@ -235,11 +235,11 @@ enum ocfs2_vol_state
+
+ struct ocfs2_alloc_stats
+ {
+- atomic_t moves;
+- atomic_t local_data;
+- atomic_t bitmap_data;
+- atomic_t bg_allocs;
+- atomic_t bg_extends;
++ atomic_unchecked_t moves;
++ atomic_unchecked_t local_data;
++ atomic_unchecked_t bitmap_data;
++ atomic_unchecked_t bg_allocs;
++ atomic_unchecked_t bg_extends;
+ };
+
+ enum ocfs2_local_alloc_state
+diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
+index f169da4..9112253 100644
+--- a/fs/ocfs2/suballoc.c
++++ b/fs/ocfs2/suballoc.c
+@@ -872,7 +872,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
+ mlog_errno(status);
+ goto bail;
+ }
+- atomic_inc(&osb->alloc_stats.bg_extends);
++ atomic_inc_unchecked(&osb->alloc_stats.bg_extends);
+
+ /* You should never ask for this much metadata */
+ BUG_ON(bits_wanted >
+@@ -2008,7 +2008,7 @@ int ocfs2_claim_metadata(handle_t *handle,
+ mlog_errno(status);
+ goto bail;
+ }
+- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
++ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
+
+ *suballoc_loc = res.sr_bg_blkno;
+ *suballoc_bit_start = res.sr_bit_offset;
+@@ -2172,7 +2172,7 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle,
+ trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno,
+ res->sr_bits);
+
+- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
++ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
+
+ BUG_ON(res->sr_bits != 1);
+
+@@ -2214,7 +2214,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
+ mlog_errno(status);
+ goto bail;
+ }
+- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
++ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
+
+ BUG_ON(res.sr_bits != 1);
+
+@@ -2318,7 +2318,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
+ cluster_start,
+ num_clusters);
+ if (!status)
+- atomic_inc(&osb->alloc_stats.local_data);
++ atomic_inc_unchecked(&osb->alloc_stats.local_data);
+ } else {
+ if (min_clusters > (osb->bitmap_cpg - 1)) {
+ /* The only paths asking for contiguousness
+@@ -2344,7 +2344,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
+ ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode,
+ res.sr_bg_blkno,
+ res.sr_bit_offset);
+- atomic_inc(&osb->alloc_stats.bitmap_data);
++ atomic_inc_unchecked(&osb->alloc_stats.bitmap_data);
+ *num_clusters = res.sr_bits;
+ }
+ }
+diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
+index 68f4541..89cfe6a 100644
+--- a/fs/ocfs2/super.c
++++ b/fs/ocfs2/super.c
+@@ -301,11 +301,11 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
+ "%10s => GlobalAllocs: %d LocalAllocs: %d "
+ "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n",
+ "Stats",
+- atomic_read(&osb->alloc_stats.bitmap_data),
+- atomic_read(&osb->alloc_stats.local_data),
+- atomic_read(&osb->alloc_stats.bg_allocs),
+- atomic_read(&osb->alloc_stats.moves),
+- atomic_read(&osb->alloc_stats.bg_extends));
++ atomic_read_unchecked(&osb->alloc_stats.bitmap_data),
++ atomic_read_unchecked(&osb->alloc_stats.local_data),
++ atomic_read_unchecked(&osb->alloc_stats.bg_allocs),
++ atomic_read_unchecked(&osb->alloc_stats.moves),
++ atomic_read_unchecked(&osb->alloc_stats.bg_extends));
+
+ out += snprintf(buf + out, len - out,
+ "%10s => State: %u Descriptor: %llu Size: %u bits "
+@@ -2116,11 +2116,11 @@ static int ocfs2_initialize_super(struct super_block *sb,
+ spin_lock_init(&osb->osb_xattr_lock);
+ ocfs2_init_steal_slots(osb);
+
+- atomic_set(&osb->alloc_stats.moves, 0);
+- atomic_set(&osb->alloc_stats.local_data, 0);
+- atomic_set(&osb->alloc_stats.bitmap_data, 0);
+- atomic_set(&osb->alloc_stats.bg_allocs, 0);
+- atomic_set(&osb->alloc_stats.bg_extends, 0);
++ atomic_set_unchecked(&osb->alloc_stats.moves, 0);
++ atomic_set_unchecked(&osb->alloc_stats.local_data, 0);
++ atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0);
++ atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0);
++ atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0);
+
+ /* Copy the blockcheck stats from the superblock probe */
+ osb->osb_ecc_stats = *stats;
+diff --git a/fs/open.c b/fs/open.c
+index e1f2cdb..3bd5f39 100644
+--- a/fs/open.c
++++ b/fs/open.c
+@@ -31,6 +31,8 @@
+ #include <linux/ima.h>
+ #include <linux/dnotify.h>
+
++#define CREATE_TRACE_POINTS
++#include <trace/events/fs.h>
+ #include "internal.h"
+
+ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
+@@ -112,6 +114,10 @@ static long do_sys_truncate(const char __user *pathname, loff_t length)
+ error = locks_verify_truncate(inode, NULL, length);
+ if (!error)
+ error = security_path_truncate(&path);
++
++ if (!error && !gr_acl_handle_truncate(path.dentry, path.mnt))
++ error = -EACCES;
++
+ if (!error)
+ error = do_truncate(path.dentry, length, 0, NULL);
+
+@@ -364,6 +370,9 @@ SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
+ if (__mnt_is_readonly(path.mnt))
+ res = -EROFS;
+
++ if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode))
++ res = -EACCES;
++
+ out_path_release:
+ path_put(&path);
+ out:
+@@ -390,6 +399,8 @@ SYSCALL_DEFINE1(chdir, const char __user *, filename)
+ if (error)
+ goto dput_and_out;
+
++ gr_log_chdir(path.dentry, path.mnt);
++
+ set_fs_pwd(current->fs, &path);
+
+ dput_and_out:
+@@ -416,6 +427,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd)
+ goto out_putf;
+
+ error = inode_permission(inode, MAY_EXEC | MAY_CHDIR);
++
++ if (!error && !gr_chroot_fchdir(file->f_path.dentry, file->f_path.mnt))
++ error = -EPERM;
++
++ if (!error)
++ gr_log_chdir(file->f_path.dentry, file->f_path.mnt);
++
+ if (!error)
+ set_fs_pwd(current->fs, &file->f_path);
+ out_putf:
+@@ -444,7 +462,13 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
+ if (error)
+ goto dput_and_out;
+
++ if (gr_handle_chroot_chroot(path.dentry, path.mnt))
++ goto dput_and_out;
++
+ set_fs_root(current->fs, &path);
++
++ gr_handle_chroot_chdir(&path);
++
+ error = 0;
+ dput_and_out:
+ path_put(&path);
+@@ -462,6 +486,16 @@ static int chmod_common(struct path *path, umode_t mode)
+ if (error)
+ return error;
+ mutex_lock(&inode->i_mutex);
++
++ if (!gr_acl_handle_chmod(path->dentry, path->mnt, &mode)) {
++ error = -EACCES;
++ goto out_unlock;
++ }
++ if (gr_handle_chroot_chmod(path->dentry, path->mnt, mode)) {
++ error = -EACCES;
++ goto out_unlock;
++ }
++
+ error = security_path_chmod(path, mode);
+ if (error)
+ goto out_unlock;
+@@ -517,6 +551,9 @@ static int chown_common(struct path *path, uid_t user, gid_t group)
+ uid = make_kuid(current_user_ns(), user);
+ gid = make_kgid(current_user_ns(), group);
+
++ if (!gr_acl_handle_chown(path->dentry, path->mnt))
++ return -EACCES;
++
+ newattrs.ia_valid = ATTR_CTIME;
+ if (user != (uid_t) -1) {
+ if (!uid_valid(uid))
+@@ -958,6 +995,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode)
+ } else {
+ fsnotify_open(f);
+ fd_install(fd, f);
++ trace_do_sys_open(tmp, flags, mode);
+ }
+ }
+ putname(tmp);
+diff --git a/fs/pipe.c b/fs/pipe.c
+index 8d85d70..581036b 100644
+--- a/fs/pipe.c
++++ b/fs/pipe.c
+@@ -438,9 +438,9 @@ redo:
+ }
+ if (bufs) /* More to do? */
+ continue;
+- if (!pipe->writers)
++ if (!atomic_read(&pipe->writers))
+ break;
+- if (!pipe->waiting_writers) {
++ if (!atomic_read(&pipe->waiting_writers)) {
+ /* syscall merging: Usually we must not sleep
+ * if O_NONBLOCK is set, or if we got some data.
+ * But if a writer sleeps in kernel space, then
+@@ -504,7 +504,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov,
+ mutex_lock(&inode->i_mutex);
+ pipe = inode->i_pipe;
+
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ ret = -EPIPE;
+ goto out;
+@@ -553,7 +553,7 @@ redo1:
+ for (;;) {
+ int bufs;
+
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ if (!ret)
+ ret = -EPIPE;
+@@ -644,9 +644,9 @@ redo2:
+ kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ do_wakeup = 0;
+ }
+- pipe->waiting_writers++;
++ atomic_inc(&pipe->waiting_writers);
+ pipe_wait(pipe);
+- pipe->waiting_writers--;
++ atomic_dec(&pipe->waiting_writers);
+ }
+ out:
+ mutex_unlock(&inode->i_mutex);
+@@ -716,7 +716,7 @@ pipe_poll(struct file *filp, poll_table *wait)
+ mask = 0;
+ if (filp->f_mode & FMODE_READ) {
+ mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0;
+- if (!pipe->writers && filp->f_version != pipe->w_counter)
++ if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter)
+ mask |= POLLHUP;
+ }
+
+@@ -726,7 +726,7 @@ pipe_poll(struct file *filp, poll_table *wait)
+ * Most Unices do not set POLLERR for FIFOs but on Linux they
+ * behave exactly like pipes for poll().
+ */
+- if (!pipe->readers)
++ if (!atomic_read(&pipe->readers))
+ mask |= POLLERR;
+ }
+
+@@ -740,10 +740,10 @@ pipe_release(struct inode *inode, int decr, int decw)
+
+ mutex_lock(&inode->i_mutex);
+ pipe = inode->i_pipe;
+- pipe->readers -= decr;
+- pipe->writers -= decw;
++ atomic_sub(decr, &pipe->readers);
++ atomic_sub(decw, &pipe->writers);
+
+- if (!pipe->readers && !pipe->writers) {
++ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers)) {
+ free_pipe_info(inode);
+ } else {
+ wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP);
+@@ -833,7 +833,7 @@ pipe_read_open(struct inode *inode, struct file *filp)
+
+ if (inode->i_pipe) {
+ ret = 0;
+- inode->i_pipe->readers++;
++ atomic_inc(&inode->i_pipe->readers);
+ }
+
+ mutex_unlock(&inode->i_mutex);
+@@ -850,7 +850,7 @@ pipe_write_open(struct inode *inode, struct file *filp)
+
+ if (inode->i_pipe) {
+ ret = 0;
+- inode->i_pipe->writers++;
++ atomic_inc(&inode->i_pipe->writers);
+ }
+
+ mutex_unlock(&inode->i_mutex);
+@@ -868,9 +868,9 @@ pipe_rdwr_open(struct inode *inode, struct file *filp)
+ if (inode->i_pipe) {
+ ret = 0;
+ if (filp->f_mode & FMODE_READ)
+- inode->i_pipe->readers++;
++ atomic_inc(&inode->i_pipe->readers);
+ if (filp->f_mode & FMODE_WRITE)
+- inode->i_pipe->writers++;
++ atomic_inc(&inode->i_pipe->writers);
+ }
+
+ mutex_unlock(&inode->i_mutex);
+@@ -962,7 +962,7 @@ void free_pipe_info(struct inode *inode)
+ inode->i_pipe = NULL;
+ }
+
+-static struct vfsmount *pipe_mnt __read_mostly;
++struct vfsmount *pipe_mnt __read_mostly;
+
+ /*
+ * pipefs_dname() is called from d_path().
+@@ -992,7 +992,8 @@ static struct inode * get_pipe_inode(void)
+ goto fail_iput;
+ inode->i_pipe = pipe;
+
+- pipe->readers = pipe->writers = 1;
++ atomic_set(&pipe->readers, 1);
++ atomic_set(&pipe->writers, 1);
+ inode->i_fop = &rdwr_pipefifo_fops;
+
+ /*
+diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
+index 15af622..0e9f4467 100644
+--- a/fs/proc/Kconfig
++++ b/fs/proc/Kconfig
+@@ -30,12 +30,12 @@ config PROC_FS
+
+ config PROC_KCORE
+ bool "/proc/kcore support" if !ARM
+- depends on PROC_FS && MMU
++ depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD
+
+ config PROC_VMCORE
+ bool "/proc/vmcore support"
+- depends on PROC_FS && CRASH_DUMP
+- default y
++ depends on PROC_FS && CRASH_DUMP && !GRKERNSEC
++ default n
+ help
+ Exports the dump image of crashed kernel in ELF format.
+
+@@ -59,8 +59,8 @@ config PROC_SYSCTL
+ limited in memory.
+
+ config PROC_PAGE_MONITOR
+- default y
+- depends on PROC_FS && MMU
++ default n
++ depends on PROC_FS && MMU && !GRKERNSEC
+ bool "Enable /proc page monitoring" if EXPERT
+ help
+ Various /proc files exist to monitor process memory utilization:
+diff --git a/fs/proc/array.c b/fs/proc/array.c
+index c1c207c..01ce725 100644
+--- a/fs/proc/array.c
++++ b/fs/proc/array.c
+@@ -60,6 +60,7 @@
+ #include <linux/tty.h>
+ #include <linux/string.h>
+ #include <linux/mman.h>
++#include <linux/grsecurity.h>
+ #include <linux/proc_fs.h>
+ #include <linux/ioport.h>
+ #include <linux/uaccess.h>
+@@ -346,6 +347,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
+ seq_putc(m, '\n');
+ }
+
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++static inline void task_pax(struct seq_file *m, struct task_struct *p)
++{
++ if (p->mm)
++ seq_printf(m, "PaX:\t%c%c%c%c%c\n",
++ p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p',
++ p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e',
++ p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm',
++ p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r',
++ p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's');
++ else
++ seq_printf(m, "PaX:\t-----\n");
++}
++#endif
++
+ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
+ {
+@@ -363,9 +379,24 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ task_cpus_allowed(m, task);
+ cpuset_task_status_allowed(m, task);
+ task_context_switch_counts(m, task);
++
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++ task_pax(m, task);
++#endif
++
++#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
++ task_grsec_rbac(m, task);
++#endif
++
+ return 0;
+ }
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
++ (_mm->pax_flags & MF_PAX_RANDMMAP || \
++ _mm->pax_flags & MF_PAX_SEGMEXEC))
++#endif
++
+ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task, int whole)
+ {
+@@ -387,6 +418,13 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
+ char tcomm[sizeof(task->comm)];
+ unsigned long flags;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (current->exec_id != m->exec_id) {
++ gr_log_badprocpid("stat");
++ return 0;
++ }
++#endif
++
+ state = *get_task_state(task);
+ vsize = eip = esp = 0;
+ permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
+@@ -458,6 +496,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
+ gtime = task->gtime;
+ }
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (PAX_RAND_FLAGS(mm)) {
++ eip = 0;
++ esp = 0;
++ wchan = 0;
++ }
++#endif
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ wchan = 0;
++ eip =0;
++ esp =0;
++#endif
++
+ /* scale priority and nice values from timeslices to -20..20 */
+ /* to make it look like a "normal" Unix priority/nice value */
+ priority = task_prio(task);
+@@ -494,9 +545,15 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
+ seq_put_decimal_ull(m, ' ', vsize);
+ seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0);
+ seq_put_decimal_ull(m, ' ', rsslim);
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0));
++ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0));
++ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0));
++#else
+ seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0);
+ seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0);
+ seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0);
++#endif
+ seq_put_decimal_ull(m, ' ', esp);
+ seq_put_decimal_ull(m, ' ', eip);
+ /* The signal information here is obsolete.
+@@ -518,7 +575,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
+ seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime));
+ seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime));
+
+- if (mm && permitted) {
++ if (mm && permitted
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ && !PAX_RAND_FLAGS(mm)
++#endif
++ ) {
+ seq_put_decimal_ull(m, ' ', mm->start_data);
+ seq_put_decimal_ull(m, ' ', mm->end_data);
+ seq_put_decimal_ull(m, ' ', mm->start_brk);
+@@ -556,8 +617,15 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
+ {
+ unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0;
+- struct mm_struct *mm = get_task_mm(task);
++ struct mm_struct *mm;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (current->exec_id != m->exec_id) {
++ gr_log_badprocpid("statm");
++ return 0;
++ }
++#endif
++ mm = get_task_mm(task);
+ if (mm) {
+ size = task_statm(mm, &shared, &text, &data, &resident);
+ mmput(mm);
+@@ -580,6 +648,13 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ return 0;
+ }
+
++#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
++int proc_pid_ipaddr(struct task_struct *task, char *buffer)
++{
++ return sprintf(buffer, "%pI4\n", &task->signal->curr_ip);
++}
++#endif
++
+ #ifdef CONFIG_CHECKPOINT_RESTORE
+ static struct pid *
+ get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos)
+diff --git a/fs/proc/base.c b/fs/proc/base.c
+index 1b6c84c..66b738b 100644
+--- a/fs/proc/base.c
++++ b/fs/proc/base.c
+@@ -110,6 +110,14 @@ struct pid_entry {
+ union proc_op op;
+ };
+
++struct getdents_callback {
++ struct linux_dirent __user * current_dir;
++ struct linux_dirent __user * previous;
++ struct file * file;
++ int count;
++ int error;
++};
++
+ #define NOD(NAME, MODE, IOP, FOP, OP) { \
+ .name = (NAME), \
+ .len = sizeof(NAME) - 1, \
+@@ -209,6 +217,9 @@ static int proc_pid_cmdline(struct task_struct *task, char * buffer)
+ if (!mm->arg_end)
+ goto out_mm; /* Shh! No looking before we're done */
+
++ if (gr_acl_handle_procpidmem(task))
++ goto out_mm;
++
+ len = mm->arg_end - mm->arg_start;
+
+ if (len > PAGE_SIZE)
+@@ -236,12 +247,28 @@ out:
+ return res;
+ }
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
++ (_mm->pax_flags & MF_PAX_RANDMMAP || \
++ _mm->pax_flags & MF_PAX_SEGMEXEC))
++#endif
++
+ static int proc_pid_auxv(struct task_struct *task, char *buffer)
+ {
+ struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ);
+ int res = PTR_ERR(mm);
+ if (mm && !IS_ERR(mm)) {
+ unsigned int nwords = 0;
++
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ /* allow if we're currently ptracing this task */
++ if (PAX_RAND_FLAGS(mm) &&
++ (!(task->ptrace & PT_PTRACED) || (task->parent != current))) {
++ mmput(mm);
++ return 0;
++ }
++#endif
++
+ do {
+ nwords += 2;
+ } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */
+@@ -255,7 +282,7 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer)
+ }
+
+
+-#ifdef CONFIG_KALLSYMS
++#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ /*
+ * Provides a wchan file via kallsyms in a proper one-value-per-file format.
+ * Returns the resolved symbol. If that fails, simply return the address.
+@@ -294,7 +321,7 @@ static void unlock_trace(struct task_struct *task)
+ mutex_unlock(&task->signal->cred_guard_mutex);
+ }
+
+-#ifdef CONFIG_STACKTRACE
++#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+
+ #define MAX_STACK_TRACE_DEPTH 64
+
+@@ -486,7 +513,7 @@ static int proc_pid_limits(struct task_struct *task, char *buffer)
+ return count;
+ }
+
+-#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
++#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
+ static int proc_pid_syscall(struct task_struct *task, char *buffer)
+ {
+ long nr;
+@@ -515,7 +542,7 @@ static int proc_pid_syscall(struct task_struct *task, char *buffer)
+ /************************************************************************/
+
+ /* permission checks */
+-static int proc_fd_access_allowed(struct inode *inode)
++static int proc_fd_access_allowed(struct inode *inode, unsigned int log)
+ {
+ struct task_struct *task;
+ int allowed = 0;
+@@ -525,7 +552,10 @@ static int proc_fd_access_allowed(struct inode *inode)
+ */
+ task = get_proc_task(inode);
+ if (task) {
+- allowed = ptrace_may_access(task, PTRACE_MODE_READ);
++ if (log)
++ allowed = ptrace_may_access(task, PTRACE_MODE_READ);
++ else
++ allowed = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
+ put_task_struct(task);
+ }
+ return allowed;
+@@ -563,10 +593,35 @@ static bool has_pid_permissions(struct pid_namespace *pid,
+ struct task_struct *task,
+ int hide_pid_min)
+ {
++ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
++ return false;
++
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ rcu_read_lock();
++ {
++ const struct cred *tmpcred = current_cred();
++ const struct cred *cred = __task_cred(task);
++
++ if (!tmpcred->uid || (tmpcred->uid == cred->uid)
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ || in_group_p(grsec_proc_gid)
++#endif
++ ) {
++ rcu_read_unlock();
++ return true;
++ }
++ }
++ rcu_read_unlock();
++
++ if (!pid->hide_pid)
++ return false;
++#endif
++
+ if (pid->hide_pid < hide_pid_min)
+ return true;
+ if (in_group_p(pid->pid_gid))
+ return true;
++
+ return ptrace_may_access(task, PTRACE_MODE_READ);
+ }
+
+@@ -584,7 +639,11 @@ static int proc_pid_permission(struct inode *inode, int mask)
+ put_task_struct(task);
+
+ if (!has_perms) {
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ {
++#else
+ if (pid->hide_pid == 2) {
++#endif
+ /*
+ * Let's make getdents(), stat(), and open()
+ * consistent with each other. If a process
+@@ -682,6 +741,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
+ if (!task)
+ return -ESRCH;
+
++ if (gr_acl_handle_procpidmem(task)) {
++ put_task_struct(task);
++ return -EPERM;
++ }
++
+ mm = mm_access(task, mode);
+ put_task_struct(task);
+
+@@ -697,6 +761,10 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
+
+ file->private_data = mm;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ file->f_version = current->exec_id;
++#endif
++
+ return 0;
+ }
+
+@@ -718,6 +786,17 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
+ ssize_t copied;
+ char *page;
+
++#ifdef CONFIG_GRKERNSEC
++ if (write)
++ return -EPERM;
++#endif
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (file->f_version != current->exec_id) {
++ gr_log_badprocpid("mem");
++ return 0;
++ }
++#endif
++
+ if (!mm)
+ return 0;
+
+@@ -822,6 +901,13 @@ static ssize_t environ_read(struct file *file, char __user *buf,
+ if (!mm)
+ return 0;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (file->f_version != current->exec_id) {
++ gr_log_badprocpid("environ");
++ return 0;
++ }
++#endif
++
+ page = (char *)__get_free_page(GFP_TEMPORARY);
+ if (!page)
+ return -ENOMEM;
+@@ -1435,7 +1521,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
+ int error = -EACCES;
+
+ /* Are we allowed to snoop on the tasks file descriptors? */
+- if (!proc_fd_access_allowed(inode))
++ if (!proc_fd_access_allowed(inode, 0))
+ goto out;
+
+ error = PROC_I(inode)->op.proc_get_link(dentry, &path);
+@@ -1479,8 +1565,18 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
+ struct path path;
+
+ /* Are we allowed to snoop on the tasks file descriptors? */
+- if (!proc_fd_access_allowed(inode))
+- goto out;
++ /* logging this is needed for learning on chromium to work properly,
++ but we don't want to flood the logs from 'ps' which does a readlink
++ on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn
++ CAP_SYS_PTRACE as it's not necessary for its basic functionality
++ */
++ if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') {
++ if (!proc_fd_access_allowed(inode,0))
++ goto out;
++ } else {
++ if (!proc_fd_access_allowed(inode,1))
++ goto out;
++ }
+
+ error = PROC_I(inode)->op.proc_get_link(dentry, &path);
+ if (error)
+@@ -1545,7 +1641,11 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t
+ rcu_read_lock();
+ cred = __task_cred(task);
+ inode->i_uid = cred->euid;
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ inode->i_gid = grsec_proc_gid;
++#else
+ inode->i_gid = cred->egid;
++#endif
+ rcu_read_unlock();
+ }
+ security_task_to_inode(task, inode);
+@@ -1581,10 +1681,19 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+ return -ENOENT;
+ }
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
++#endif
+ task_dumpable(task)) {
+ cred = __task_cred(task);
+ stat->uid = cred->euid;
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ stat->gid = grsec_proc_gid;
++#else
+ stat->gid = cred->egid;
++#endif
+ }
+ }
+ rcu_read_unlock();
+@@ -1622,11 +1731,20 @@ int pid_revalidate(struct dentry *dentry, unsigned int flags)
+
+ if (task) {
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
++#endif
+ task_dumpable(task)) {
+ rcu_read_lock();
+ cred = __task_cred(task);
+ inode->i_uid = cred->euid;
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ inode->i_gid = grsec_proc_gid;
++#else
+ inode->i_gid = cred->egid;
++#endif
+ rcu_read_unlock();
+ } else {
+ inode->i_uid = GLOBAL_ROOT_UID;
+@@ -1744,7 +1862,8 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
+ int fd = proc_fd(inode);
+
+ if (task) {
+- files = get_files_struct(task);
++ if (!gr_acl_handle_procpidmem(task))
++ files = get_files_struct(task);
+ put_task_struct(task);
+ }
+ if (files) {
+@@ -2343,11 +2462,21 @@ static const struct file_operations proc_map_files_operations = {
+ */
+ static int proc_fd_permission(struct inode *inode, int mask)
+ {
++ struct task_struct *task;
+ int rv = generic_permission(inode, mask);
+- if (rv == 0)
+- return 0;
++
+ if (task_pid(current) == proc_pid(inode))
+ rv = 0;
++
++ task = get_proc_task(inode);
++ if (task == NULL)
++ return rv;
++
++ if (gr_acl_handle_procpidmem(task))
++ rv = -EACCES;
++
++ put_task_struct(task);
++
+ return rv;
+ }
+
+@@ -2457,6 +2586,9 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
+ if (!task)
+ goto out_no_task;
+
++ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
++ goto out;
++
+ /*
+ * Yes, it does not scale. And it should not. Don't add
+ * new entries into /proc/<tgid>/ without very good reasons.
+@@ -2501,6 +2633,9 @@ static int proc_pident_readdir(struct file *filp,
+ if (!task)
+ goto out_no_task;
+
++ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
++ goto out;
++
+ ret = 0;
+ i = filp->f_pos;
+ switch (i) {
+@@ -2771,7 +2906,7 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
+ static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
+ void *cookie)
+ {
+- char *s = nd_get_link(nd);
++ const char *s = nd_get_link(nd);
+ if (!IS_ERR(s))
+ __putname(s);
+ }
+@@ -3040,7 +3175,7 @@ static const struct pid_entry tgid_base_stuff[] = {
+ REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations),
+ #endif
+ REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
+-#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
++#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
+ INF("syscall", S_IRUGO, proc_pid_syscall),
+ #endif
+ INF("cmdline", S_IRUGO, proc_pid_cmdline),
+@@ -3065,10 +3200,10 @@ static const struct pid_entry tgid_base_stuff[] = {
+ #ifdef CONFIG_SECURITY
+ DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
+ #endif
+-#ifdef CONFIG_KALLSYMS
++#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ INF("wchan", S_IRUGO, proc_pid_wchan),
+ #endif
+-#ifdef CONFIG_STACKTRACE
++#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ ONE("stack", S_IRUGO, proc_pid_stack),
+ #endif
+ #ifdef CONFIG_SCHEDSTATS
+@@ -3102,6 +3237,9 @@ static const struct pid_entry tgid_base_stuff[] = {
+ #ifdef CONFIG_HARDWALL
+ INF("hardwall", S_IRUGO, proc_pid_hardwall),
+ #endif
++#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
++ INF("ipaddr", S_IRUSR, proc_pid_ipaddr),
++#endif
+ #ifdef CONFIG_USER_NS
+ REG("uid_map", S_IRUGO|S_IWUSR, proc_uid_map_operations),
+ REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
+@@ -3233,7 +3371,14 @@ static struct dentry *proc_pid_instantiate(struct inode *dir,
+ if (!inode)
+ goto out;
+
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR;
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ inode->i_gid = grsec_proc_gid;
++ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP;
++#else
+ inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
++#endif
+ inode->i_op = &proc_tgid_base_inode_operations;
+ inode->i_fop = &proc_tgid_base_operations;
+ inode->i_flags|=S_IMMUTABLE;
+@@ -3275,7 +3420,11 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsign
+ if (!task)
+ goto out;
+
++ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
++ goto out_put_task;
++
+ result = proc_pid_instantiate(dir, dentry, task, NULL);
++out_put_task:
+ put_task_struct(task);
+ out:
+ return result;
+@@ -3338,6 +3487,8 @@ static int proc_pid_fill_cache(struct file *filp, void *dirent, filldir_t filldi
+ static int fake_filldir(void *buf, const char *name, int namelen,
+ loff_t offset, u64 ino, unsigned d_type)
+ {
++ struct getdents_callback * __buf = (struct getdents_callback *) buf;
++ __buf->error = -EINVAL;
+ return 0;
+ }
+
+@@ -3404,7 +3555,7 @@ static const struct pid_entry tid_base_stuff[] = {
+ REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
+ #endif
+ REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
+-#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
++#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
+ INF("syscall", S_IRUGO, proc_pid_syscall),
+ #endif
+ INF("cmdline", S_IRUGO, proc_pid_cmdline),
+@@ -3431,10 +3582,10 @@ static const struct pid_entry tid_base_stuff[] = {
+ #ifdef CONFIG_SECURITY
+ DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
+ #endif
+-#ifdef CONFIG_KALLSYMS
++#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ INF("wchan", S_IRUGO, proc_pid_wchan),
+ #endif
+-#ifdef CONFIG_STACKTRACE
++#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ ONE("stack", S_IRUGO, proc_pid_stack),
+ #endif
+ #ifdef CONFIG_SCHEDSTATS
+diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
+index 82676e3..5f8518a 100644
+--- a/fs/proc/cmdline.c
++++ b/fs/proc/cmdline.c
+@@ -23,7 +23,11 @@ static const struct file_operations cmdline_proc_fops = {
+
+ static int __init proc_cmdline_init(void)
+ {
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++ proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops);
++#else
+ proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
++#endif
+ return 0;
+ }
+ module_init(proc_cmdline_init);
+diff --git a/fs/proc/devices.c b/fs/proc/devices.c
+index b143471..bb105e5 100644
+--- a/fs/proc/devices.c
++++ b/fs/proc/devices.c
+@@ -64,7 +64,11 @@ static const struct file_operations proc_devinfo_operations = {
+
+ static int __init proc_devices_init(void)
+ {
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++ proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations);
++#else
+ proc_create("devices", 0, NULL, &proc_devinfo_operations);
++#endif
+ return 0;
+ }
+ module_init(proc_devices_init);
+diff --git a/fs/proc/inode.c b/fs/proc/inode.c
+index 7ac817b..c5c9eb0 100644
+--- a/fs/proc/inode.c
++++ b/fs/proc/inode.c
+@@ -21,11 +21,17 @@
+ #include <linux/seq_file.h>
+ #include <linux/slab.h>
+ #include <linux/mount.h>
++#include <linux/grsecurity.h>
+
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+
++#ifdef CONFIG_PROC_SYSCTL
++extern const struct inode_operations proc_sys_inode_operations;
++extern const struct inode_operations proc_sys_dir_operations;
++#endif
++
+ static void proc_evict_inode(struct inode *inode)
+ {
+ struct proc_dir_entry *de;
+@@ -51,6 +57,13 @@ static void proc_evict_inode(struct inode *inode)
+ ns_ops = PROC_I(inode)->ns_ops;
+ if (ns_ops && ns_ops->put)
+ ns_ops->put(PROC_I(inode)->ns);
++
++#ifdef CONFIG_PROC_SYSCTL
++ if (inode->i_op == &proc_sys_inode_operations ||
++ inode->i_op == &proc_sys_dir_operations)
++ gr_handle_delete(inode->i_ino, inode->i_sb->s_dev);
++#endif
++
+ }
+
+ static struct kmem_cache * proc_inode_cachep;
+@@ -456,7 +469,11 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
+ if (de->mode) {
+ inode->i_mode = de->mode;
+ inode->i_uid = de->uid;
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ inode->i_gid = grsec_proc_gid;
++#else
+ inode->i_gid = de->gid;
++#endif
+ }
+ if (de->size)
+ inode->i_size = de->size;
+diff --git a/fs/proc/internal.h b/fs/proc/internal.h
+index e1167a1..bd24f20 100644
+--- a/fs/proc/internal.h
++++ b/fs/proc/internal.h
+@@ -52,6 +52,9 @@ extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task);
+ extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task);
++#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
++extern int proc_pid_ipaddr(struct task_struct *task, char *buffer);
++#endif
+ extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+
+ extern const struct file_operations proc_tid_children_operations;
+diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
+index 86c67ee..cdca321 100644
+--- a/fs/proc/kcore.c
++++ b/fs/proc/kcore.c
+@@ -480,9 +480,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
+ * the addresses in the elf_phdr on our list.
+ */
+ start = kc_offset_to_vaddr(*fpos - elf_buflen);
+- if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)
++ tsz = PAGE_SIZE - (start & ~PAGE_MASK);
++ if (tsz > buflen)
+ tsz = buflen;
+-
++
+ while (buflen) {
+ struct kcore_list *m;
+
+@@ -511,20 +512,23 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
+ kfree(elf_buf);
+ } else {
+ if (kern_addr_valid(start)) {
+- unsigned long n;
++ char *elf_buf;
++ mm_segment_t oldfs;
+
+- n = copy_to_user(buffer, (char *)start, tsz);
+- /*
+- * We cannot distinguish between fault on source
+- * and fault on destination. When this happens
+- * we clear too and hope it will trigger the
+- * EFAULT again.
+- */
+- if (n) {
+- if (clear_user(buffer + tsz - n,
+- n))
++ elf_buf = kmalloc(tsz, GFP_KERNEL);
++ if (!elf_buf)
++ return -ENOMEM;
++ oldfs = get_fs();
++ set_fs(KERNEL_DS);
++ if (!__copy_from_user(elf_buf, (const void __user *)start, tsz)) {
++ set_fs(oldfs);
++ if (copy_to_user(buffer, elf_buf, tsz)) {
++ kfree(elf_buf);
+ return -EFAULT;
++ }
+ }
++ set_fs(oldfs);
++ kfree(elf_buf);
+ } else {
+ if (clear_user(buffer, tsz))
+ return -EFAULT;
+@@ -544,6 +548,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
+
+ static int open_kcore(struct inode *inode, struct file *filp)
+ {
++#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
++ return -EPERM;
++#endif
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+ if (kcore_need_update)
+diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
+index 80e4645..53e5fcf 100644
+--- a/fs/proc/meminfo.c
++++ b/fs/proc/meminfo.c
+@@ -158,7 +158,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
+ vmi.used >> 10,
+ vmi.largest_chunk >> 10
+ #ifdef CONFIG_MEMORY_FAILURE
+- ,atomic_long_read(&mce_bad_pages) << (PAGE_SHIFT - 10)
++ ,atomic_long_read_unchecked(&mce_bad_pages) << (PAGE_SHIFT - 10)
+ #endif
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ ,K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) *
+diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
+index b1822dd..df622cb 100644
+--- a/fs/proc/nommu.c
++++ b/fs/proc/nommu.c
+@@ -66,7 +66,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
+ if (len < 1)
+ len = 1;
+ seq_printf(m, "%*c", len, ' ');
+- seq_path(m, &file->f_path, "");
++ seq_path(m, &file->f_path, "\n\\");
+ }
+
+ seq_putc(m, '\n');
+diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
+index fe72cd0..cb9b67d 100644
+--- a/fs/proc/proc_net.c
++++ b/fs/proc/proc_net.c
+@@ -23,6 +23,7 @@
+ #include <linux/nsproxy.h>
+ #include <net/net_namespace.h>
+ #include <linux/seq_file.h>
++#include <linux/grsecurity.h>
+
+ #include "internal.h"
+
+@@ -105,6 +106,17 @@ static struct net *get_proc_task_net(struct inode *dir)
+ struct task_struct *task;
+ struct nsproxy *ns;
+ struct net *net = NULL;
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ const struct cred *cred = current_cred();
++#endif
++
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ if (cred->fsuid)
++ return net;
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ if (cred->fsuid && !in_group_p(grsec_proc_gid))
++ return net;
++#endif
+
+ rcu_read_lock();
+ task = pid_task(proc_pid(dir), PIDTYPE_PID);
+diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
+index eb7cc91..7327a46 100644
+--- a/fs/proc/proc_sysctl.c
++++ b/fs/proc/proc_sysctl.c
+@@ -12,11 +12,15 @@
+ #include <linux/module.h>
+ #include "internal.h"
+
++extern int gr_handle_chroot_sysctl(const int op);
++extern int gr_handle_sysctl_mod(const char *dirname, const char *name,
++ const int op);
++
+ static const struct dentry_operations proc_sys_dentry_operations;
+ static const struct file_operations proc_sys_file_operations;
+-static const struct inode_operations proc_sys_inode_operations;
++const struct inode_operations proc_sys_inode_operations;
+ static const struct file_operations proc_sys_dir_file_operations;
+-static const struct inode_operations proc_sys_dir_operations;
++const struct inode_operations proc_sys_dir_operations;
+
+ void proc_sys_poll_notify(struct ctl_table_poll *poll)
+ {
+@@ -467,6 +471,9 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
+
+ err = NULL;
+ d_set_d_op(dentry, &proc_sys_dentry_operations);
++
++ gr_handle_proc_create(dentry, inode);
++
+ d_add(dentry, inode);
+
+ out:
+@@ -482,18 +489,20 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
+ struct inode *inode = filp->f_path.dentry->d_inode;
+ struct ctl_table_header *head = grab_header(inode);
+ struct ctl_table *table = PROC_I(inode)->sysctl_entry;
++ int op = write ? MAY_WRITE : MAY_READ;
+ ssize_t error;
+ size_t res;
+
+ if (IS_ERR(head))
+ return PTR_ERR(head);
+
++
+ /*
+ * At this point we know that the sysctl was not unregistered
+ * and won't be until we finish.
+ */
+ error = -EPERM;
+- if (sysctl_perm(head->root, table, write ? MAY_WRITE : MAY_READ))
++ if (sysctl_perm(head->root, table, op))
+ goto out;
+
+ /* if that can happen at all, it should be -EINVAL, not -EISDIR */
+@@ -501,6 +510,22 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
+ if (!table->proc_handler)
+ goto out;
+
++#ifdef CONFIG_GRKERNSEC
++ error = -EPERM;
++ if (gr_handle_chroot_sysctl(op))
++ goto out;
++ dget(filp->f_path.dentry);
++ if (gr_handle_sysctl_mod(filp->f_path.dentry->d_parent->d_name.name, table->procname, op)) {
++ dput(filp->f_path.dentry);
++ goto out;
++ }
++ dput(filp->f_path.dentry);
++ if (!gr_acl_handle_open(filp->f_path.dentry, filp->f_path.mnt, op))
++ goto out;
++ if (write && !capable(CAP_SYS_ADMIN))
++ goto out;
++#endif
++
+ /* careful: calling conventions are nasty here */
+ res = count;
+ error = table->proc_handler(table, write, buf, &res, ppos);
+@@ -598,6 +623,9 @@ static int proc_sys_fill_cache(struct file *filp, void *dirent,
+ return -ENOMEM;
+ } else {
+ d_set_d_op(child, &proc_sys_dentry_operations);
++
++ gr_handle_proc_create(child, inode);
++
+ d_add(child, inode);
+ }
+ } else {
+@@ -641,6 +669,9 @@ static int scan(struct ctl_table_header *head, ctl_table *table,
+ if ((*pos)++ < file->f_pos)
+ return 0;
+
++ if (!gr_acl_handle_hidden_file(file->f_path.dentry, file->f_path.mnt))
++ return 0;
++
+ if (unlikely(S_ISLNK(table->mode)))
+ res = proc_sys_link_fill_cache(file, dirent, filldir, head, table);
+ else
+@@ -758,6 +789,9 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct
+ if (IS_ERR(head))
+ return PTR_ERR(head);
+
++ if (table && !gr_acl_handle_hidden_file(dentry, mnt))
++ return -ENOENT;
++
+ generic_fillattr(inode, stat);
+ if (table)
+ stat->mode = (stat->mode & S_IFMT) | table->mode;
+@@ -780,13 +814,13 @@ static const struct file_operations proc_sys_dir_file_operations = {
+ .llseek = generic_file_llseek,
+ };
+
+-static const struct inode_operations proc_sys_inode_operations = {
++const struct inode_operations proc_sys_inode_operations = {
+ .permission = proc_sys_permission,
+ .setattr = proc_sys_setattr,
+ .getattr = proc_sys_getattr,
+ };
+
+-static const struct inode_operations proc_sys_dir_operations = {
++const struct inode_operations proc_sys_dir_operations = {
+ .lookup = proc_sys_lookup,
+ .permission = proc_sys_permission,
+ .setattr = proc_sys_setattr,
+diff --git a/fs/proc/root.c b/fs/proc/root.c
+index 9a2d9fd..ddfc92a 100644
+--- a/fs/proc/root.c
++++ b/fs/proc/root.c
+@@ -187,7 +187,15 @@ void __init proc_root_init(void)
+ #ifdef CONFIG_PROC_DEVICETREE
+ proc_device_tree_init();
+ #endif
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
++#endif
++#else
+ proc_mkdir("bus", NULL);
++#endif
+ proc_sys_init();
+ }
+
+diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
+index 4540b8f..1b9772f 100644
+--- a/fs/proc/task_mmu.c
++++ b/fs/proc/task_mmu.c
+@@ -11,12 +11,19 @@
+ #include <linux/rmap.h>
+ #include <linux/swap.h>
+ #include <linux/swapops.h>
++#include <linux/grsecurity.h>
+
+ #include <asm/elf.h>
+ #include <asm/uaccess.h>
+ #include <asm/tlbflush.h>
+ #include "internal.h"
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
++ (_mm->pax_flags & MF_PAX_RANDMMAP || \
++ _mm->pax_flags & MF_PAX_SEGMEXEC))
++#endif
++
+ void task_mem(struct seq_file *m, struct mm_struct *mm)
+ {
+ unsigned long data, text, lib, swap;
+@@ -52,8 +59,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
+ "VmExe:\t%8lu kB\n"
+ "VmLib:\t%8lu kB\n"
+ "VmPTE:\t%8lu kB\n"
+- "VmSwap:\t%8lu kB\n",
+- hiwater_vm << (PAGE_SHIFT-10),
++ "VmSwap:\t%8lu kB\n"
++
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++ "CsBase:\t%8lx\nCsLim:\t%8lx\n"
++#endif
++
++ ,hiwater_vm << (PAGE_SHIFT-10),
+ (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
+ mm->locked_vm << (PAGE_SHIFT-10),
+ mm->pinned_vm << (PAGE_SHIFT-10),
+@@ -62,7 +74,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
+ data << (PAGE_SHIFT-10),
+ mm->stack_vm << (PAGE_SHIFT-10), text, lib,
+ (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
+- swap << (PAGE_SHIFT-10));
++ swap << (PAGE_SHIFT-10)
++
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_base
++ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_limit
++#else
++ , mm->context.user_cs_base
++ , mm->context.user_cs_limit
++#endif
++#endif
++
++ );
+ }
+
+ unsigned long task_vsize(struct mm_struct *mm)
+@@ -231,13 +255,13 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
+ pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
+ }
+
+- /* We don't show the stack guard page in /proc/maps */
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start;
++ end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end;
++#else
+ start = vma->vm_start;
+- if (stack_guard_page_start(vma, start))
+- start += PAGE_SIZE;
+ end = vma->vm_end;
+- if (stack_guard_page_end(vma, end))
+- end -= PAGE_SIZE;
++#endif
+
+ seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
+ start,
+@@ -246,7 +270,11 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
+ flags & VM_WRITE ? 'w' : '-',
+ flags & VM_EXEC ? 'x' : '-',
+ flags & VM_MAYSHARE ? 's' : 'p',
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ PAX_RAND_FLAGS(mm) ? 0UL : pgoff,
++#else
+ pgoff,
++#endif
+ MAJOR(dev), MINOR(dev), ino, &len);
+
+ /*
+@@ -255,7 +283,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
+ */
+ if (file) {
+ pad_len_spaces(m, len);
+- seq_path(m, &file->f_path, "\n");
++ seq_path(m, &file->f_path, "\n\\");
+ goto done;
+ }
+
+@@ -281,8 +309,9 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
+ * Thread stack in /proc/PID/task/TID/maps or
+ * the main process stack.
+ */
+- if (!is_pid || (vma->vm_start <= mm->start_stack &&
+- vma->vm_end >= mm->start_stack)) {
++ if (!is_pid || (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) ||
++ (vma->vm_start <= mm->start_stack &&
++ vma->vm_end >= mm->start_stack)) {
+ name = "[stack]";
+ } else {
+ /* Thread stack in /proc/PID/maps */
+@@ -306,6 +335,13 @@ static int show_map(struct seq_file *m, void *v, int is_pid)
+ struct proc_maps_private *priv = m->private;
+ struct task_struct *task = priv->task;
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (current->exec_id != m->exec_id) {
++ gr_log_badprocpid("maps");
++ return 0;
++ }
++#endif
++
+ show_map_vma(m, vma, is_pid);
+
+ if (m->count < m->size) /* vma is copied successfully */
+@@ -492,12 +528,23 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
+ .private = &mss,
+ };
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (current->exec_id != m->exec_id) {
++ gr_log_badprocpid("smaps");
++ return 0;
++ }
++#endif
+ memset(&mss, 0, sizeof mss);
+- mss.vma = vma;
+- /* mmap_sem is held in m_start */
+- if (vma->vm_mm && !is_vm_hugetlb_page(vma))
+- walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
+-
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (!PAX_RAND_FLAGS(vma->vm_mm)) {
++#endif
++ mss.vma = vma;
++ /* mmap_sem is held in m_start */
++ if (vma->vm_mm && !is_vm_hugetlb_page(vma))
++ walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ }
++#endif
+ show_map_vma(m, vma, is_pid);
+
+ seq_printf(m,
+@@ -515,7 +562,11 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
+ "KernelPageSize: %8lu kB\n"
+ "MMUPageSize: %8lu kB\n"
+ "Locked: %8lu kB\n",
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10,
++#else
+ (vma->vm_end - vma->vm_start) >> 10,
++#endif
+ mss.resident >> 10,
+ (unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
+ mss.shared_clean >> 10,
+@@ -1164,6 +1215,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
+ int n;
+ char buffer[50];
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (current->exec_id != m->exec_id) {
++ gr_log_badprocpid("numa_maps");
++ return 0;
++ }
++#endif
++
+ if (!mm)
+ return 0;
+
+@@ -1181,11 +1239,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
+ mpol_to_str(buffer, sizeof(buffer), pol, 0);
+ mpol_cond_put(pol);
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ seq_printf(m, "%08lx %s", PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : vma->vm_start, buffer);
++#else
+ seq_printf(m, "%08lx %s", vma->vm_start, buffer);
++#endif
+
+ if (file) {
+ seq_printf(m, " file=");
+- seq_path(m, &file->f_path, "\n\t= ");
++ seq_path(m, &file->f_path, "\n\t\\= ");
+ } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
+ seq_printf(m, " heap");
+ } else {
+diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
+index 1ccfa53..0848f95 100644
+--- a/fs/proc/task_nommu.c
++++ b/fs/proc/task_nommu.c
+@@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
+ else
+ bytes += kobjsize(mm);
+
+- if (current->fs && current->fs->users > 1)
++ if (current->fs && atomic_read(¤t->fs->users) > 1)
+ sbytes += kobjsize(current->fs);
+ else
+ bytes += kobjsize(current->fs);
+@@ -168,7 +168,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
+
+ if (file) {
+ pad_len_spaces(m, len);
+- seq_path(m, &file->f_path, "");
++ seq_path(m, &file->f_path, "\n\\");
+ } else if (mm) {
+ pid_t tid = vm_is_stack(priv->task, vma, is_pid);
+
+diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
+index d67908b..d13f6a6 100644
+--- a/fs/quota/netlink.c
++++ b/fs/quota/netlink.c
+@@ -33,7 +33,7 @@ static struct genl_family quota_genl_family = {
+ void quota_send_warning(short type, unsigned int id, dev_t dev,
+ const char warntype)
+ {
+- static atomic_t seq;
++ static atomic_unchecked_t seq;
+ struct sk_buff *skb;
+ void *msg_head;
+ int ret;
+@@ -49,7 +49,7 @@ void quota_send_warning(short type, unsigned int id, dev_t dev,
+ "VFS: Not enough memory to send quota warning.\n");
+ return;
+ }
+- msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq),
++ msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq),
+ "a_genl_family, 0, QUOTA_NL_C_WARNING);
+ if (!msg_head) {
+ printk(KERN_ERR
+diff --git a/fs/readdir.c b/fs/readdir.c
+index 39e3370..20d446d 100644
+--- a/fs/readdir.c
++++ b/fs/readdir.c
+@@ -17,6 +17,7 @@
+ #include <linux/security.h>
+ #include <linux/syscalls.h>
+ #include <linux/unistd.h>
++#include <linux/namei.h>
+
+ #include <asm/uaccess.h>
+
+@@ -67,6 +68,7 @@ struct old_linux_dirent {
+
+ struct readdir_callback {
+ struct old_linux_dirent __user * dirent;
++ struct file * file;
+ int result;
+ };
+
+@@ -84,6 +86,10 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset
+ buf->result = -EOVERFLOW;
+ return -EOVERFLOW;
+ }
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ buf->result++;
+ dirent = buf->dirent;
+ if (!access_ok(VERIFY_WRITE, dirent,
+@@ -116,6 +122,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
+
+ buf.result = 0;
+ buf.dirent = dirent;
++ buf.file = file;
+
+ error = vfs_readdir(file, fillonedir, &buf);
+ if (buf.result)
+@@ -141,6 +148,7 @@ struct linux_dirent {
+ struct getdents_callback {
+ struct linux_dirent __user * current_dir;
+ struct linux_dirent __user * previous;
++ struct file * file;
+ int count;
+ int error;
+ };
+@@ -162,6 +170,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
+ buf->error = -EOVERFLOW;
+ return -EOVERFLOW;
+ }
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ dirent = buf->previous;
+ if (dirent) {
+ if (__put_user(offset, &dirent->d_off))
+@@ -208,6 +220,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
+ buf.previous = NULL;
+ buf.count = count;
+ buf.error = 0;
++ buf.file = file;
+
+ error = vfs_readdir(file, filldir, &buf);
+ if (error >= 0)
+@@ -226,6 +239,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
+ struct getdents_callback64 {
+ struct linux_dirent64 __user * current_dir;
+ struct linux_dirent64 __user * previous;
++ struct file *file;
+ int count;
+ int error;
+ };
+@@ -241,6 +255,10 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset,
+ buf->error = -EINVAL; /* only used if we fail.. */
+ if (reclen > buf->count)
+ return -EINVAL;
++
++ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
++ return 0;
++
+ dirent = buf->previous;
+ if (dirent) {
+ if (__put_user(offset, &dirent->d_off))
+@@ -287,6 +305,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
+
+ buf.current_dir = dirent;
+ buf.previous = NULL;
++ buf.file = file;
+ buf.count = count;
+ buf.error = 0;
+
+@@ -295,7 +314,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
+ error = buf.error;
+ lastdirent = buf.previous;
+ if (lastdirent) {
+- typeof(lastdirent->d_off) d_off = file->f_pos;
++ typeof(((struct linux_dirent64 *)0)->d_off) d_off = file->f_pos;
+ if (__put_user(d_off, &lastdirent->d_off))
+ error = -EFAULT;
+ else
+diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
+index 2b7882b..1c5ef48 100644
+--- a/fs/reiserfs/do_balan.c
++++ b/fs/reiserfs/do_balan.c
+@@ -2051,7 +2051,7 @@ void do_balance(struct tree_balance *tb, /* tree_balance structure */
+ return;
+ }
+
+- atomic_inc(&(fs_generation(tb->tb_sb)));
++ atomic_inc_unchecked(&(fs_generation(tb->tb_sb)));
+ do_balance_starts(tb);
+
+ /* balance leaf returns 0 except if combining L R and S into
+diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
+index e60e870..f40ac16 100644
+--- a/fs/reiserfs/procfs.c
++++ b/fs/reiserfs/procfs.c
+@@ -112,7 +112,7 @@ static int show_super(struct seq_file *m, struct super_block *sb)
+ "SMALL_TAILS " : "NO_TAILS ",
+ replay_only(sb) ? "REPLAY_ONLY " : "",
+ convert_reiserfs(sb) ? "CONV " : "",
+- atomic_read(&r->s_generation_counter),
++ atomic_read_unchecked(&r->s_generation_counter),
+ SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes),
+ SF(s_do_balance), SF(s_unneeded_left_neighbor),
+ SF(s_good_search_by_key_reada), SF(s_bmaps),
+diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
+index 33215f5..c5d427a 100644
+--- a/fs/reiserfs/reiserfs.h
++++ b/fs/reiserfs/reiserfs.h
+@@ -453,7 +453,7 @@ struct reiserfs_sb_info {
+ /* Comment? -Hans */
+ wait_queue_head_t s_wait;
+ /* To be obsoleted soon by per buffer seals.. -Hans */
+- atomic_t s_generation_counter; // increased by one every time the
++ atomic_unchecked_t s_generation_counter; // increased by one every time the
+ // tree gets re-balanced
+ unsigned long s_properties; /* File system properties. Currently holds
+ on-disk FS format */
+@@ -1978,7 +1978,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode)
+ #define REISERFS_USER_MEM 1 /* reiserfs user memory mode */
+
+ #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter)
+-#define get_generation(s) atomic_read (&fs_generation(s))
++#define get_generation(s) atomic_read_unchecked (&fs_generation(s))
+ #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen)
+ #define __fs_changed(gen,s) (gen != get_generation (s))
+ #define fs_changed(gen,s) \
+diff --git a/fs/select.c b/fs/select.c
+index db14c78..3aae1bd 100644
+--- a/fs/select.c
++++ b/fs/select.c
+@@ -20,6 +20,7 @@
+ #include <linux/export.h>
+ #include <linux/slab.h>
+ #include <linux/poll.h>
++#include <linux/security.h>
+ #include <linux/personality.h> /* for STICKY_TIMEOUTS */
+ #include <linux/file.h>
+ #include <linux/fdtable.h>
+@@ -831,6 +832,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
+ struct poll_list *walk = head;
+ unsigned long todo = nfds;
+
++ gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1);
+ if (nfds > rlimit(RLIMIT_NOFILE))
+ return -EINVAL;
+
+diff --git a/fs/seq_file.c b/fs/seq_file.c
+index 14cf9de..adc4d5b 100644
+--- a/fs/seq_file.c
++++ b/fs/seq_file.c
+@@ -9,6 +9,7 @@
+ #include <linux/export.h>
+ #include <linux/seq_file.h>
+ #include <linux/slab.h>
++#include <linux/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/page.h>
+@@ -56,6 +57,9 @@ int seq_open(struct file *file, const struct seq_operations *op)
+ memset(p, 0, sizeof(*p));
+ mutex_init(&p->lock);
+ p->op = op;
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ p->exec_id = current->exec_id;
++#endif
+
+ /*
+ * Wrappers around seq_open(e.g. swaps_open) need to be
+@@ -92,7 +96,7 @@ static int traverse(struct seq_file *m, loff_t offset)
+ return 0;
+ }
+ if (!m->buf) {
+- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
++ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY);
+ if (!m->buf)
+ return -ENOMEM;
+ }
+@@ -132,7 +136,7 @@ static int traverse(struct seq_file *m, loff_t offset)
+ Eoverflow:
+ m->op->stop(m, p);
+ kfree(m->buf);
+- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
++ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY);
+ return !m->buf ? -ENOMEM : -EAGAIN;
+ }
+
+@@ -187,7 +191,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
+
+ /* grab buffer if we didn't have one */
+ if (!m->buf) {
+- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
++ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY);
+ if (!m->buf)
+ goto Enomem;
+ }
+@@ -228,7 +232,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
+ goto Fill;
+ m->op->stop(m, p);
+ kfree(m->buf);
+- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
++ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY);
+ if (!m->buf)
+ goto Enomem;
+ m->count = 0;
+@@ -577,7 +581,7 @@ static void single_stop(struct seq_file *p, void *v)
+ int single_open(struct file *file, int (*show)(struct seq_file *, void *),
+ void *data)
+ {
+- struct seq_operations *op = kmalloc(sizeof(*op), GFP_KERNEL);
++ seq_operations_no_const *op = kmalloc(sizeof(*op), GFP_KERNEL);
+ int res = -ENOMEM;
+
+ if (op) {
+diff --git a/fs/splice.c b/fs/splice.c
+index 41514dd..6564a93 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -194,7 +194,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
+ pipe_lock(pipe);
+
+ for (;;) {
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ if (!ret)
+ ret = -EPIPE;
+@@ -248,9 +248,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
+ do_wakeup = 0;
+ }
+
+- pipe->waiting_writers++;
++ atomic_inc(&pipe->waiting_writers);
+ pipe_wait(pipe);
+- pipe->waiting_writers--;
++ atomic_dec(&pipe->waiting_writers);
+ }
+
+ pipe_unlock(pipe);
+@@ -563,7 +563,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec,
+ old_fs = get_fs();
+ set_fs(get_ds());
+ /* The cast to a user pointer is valid due to the set_fs() */
+- res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos);
++ res = vfs_readv(file, (const struct iovec __force_user *)vec, vlen, &pos);
+ set_fs(old_fs);
+
+ return res;
+@@ -578,7 +578,7 @@ static ssize_t kernel_write(struct file *file, const char *buf, size_t count,
+ old_fs = get_fs();
+ set_fs(get_ds());
+ /* The cast to a user pointer is valid due to the set_fs() */
+- res = vfs_write(file, (const char __user *)buf, count, &pos);
++ res = vfs_write(file, (const char __force_user *)buf, count, &pos);
+ set_fs(old_fs);
+
+ return res;
+@@ -630,7 +630,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
+ goto err;
+
+ this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset);
+- vec[i].iov_base = (void __user *) page_address(page);
++ vec[i].iov_base = (void __force_user *) page_address(page);
+ vec[i].iov_len = this_len;
+ spd.pages[i] = page;
+ spd.nr_pages++;
+@@ -849,10 +849,10 @@ EXPORT_SYMBOL(splice_from_pipe_feed);
+ int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd)
+ {
+ while (!pipe->nrbufs) {
+- if (!pipe->writers)
++ if (!atomic_read(&pipe->writers))
+ return 0;
+
+- if (!pipe->waiting_writers && sd->num_spliced)
++ if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced)
+ return 0;
+
+ if (sd->flags & SPLICE_F_NONBLOCK)
+@@ -1190,7 +1190,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
+ * out of the pipe right after the splice_to_pipe(). So set
+ * PIPE_READERS appropriately.
+ */
+- pipe->readers = 1;
++ atomic_set(&pipe->readers, 1);
+
+ current->splice_pipe = pipe;
+ }
+@@ -1743,9 +1743,9 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
+ ret = -ERESTARTSYS;
+ break;
+ }
+- if (!pipe->writers)
++ if (!atomic_read(&pipe->writers))
+ break;
+- if (!pipe->waiting_writers) {
++ if (!atomic_read(&pipe->waiting_writers)) {
+ if (flags & SPLICE_F_NONBLOCK) {
+ ret = -EAGAIN;
+ break;
+@@ -1777,7 +1777,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
+ pipe_lock(pipe);
+
+ while (pipe->nrbufs >= pipe->buffers) {
+- if (!pipe->readers) {
++ if (!atomic_read(&pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ ret = -EPIPE;
+ break;
+@@ -1790,9 +1790,9 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
+ ret = -ERESTARTSYS;
+ break;
+ }
+- pipe->waiting_writers++;
++ atomic_inc(&pipe->waiting_writers);
+ pipe_wait(pipe);
+- pipe->waiting_writers--;
++ atomic_dec(&pipe->waiting_writers);
+ }
+
+ pipe_unlock(pipe);
+@@ -1828,14 +1828,14 @@ retry:
+ pipe_double_lock(ipipe, opipe);
+
+ do {
+- if (!opipe->readers) {
++ if (!atomic_read(&opipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ if (!ret)
+ ret = -EPIPE;
+ break;
+ }
+
+- if (!ipipe->nrbufs && !ipipe->writers)
++ if (!ipipe->nrbufs && !atomic_read(&ipipe->writers))
+ break;
+
+ /*
+@@ -1932,7 +1932,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
+ pipe_double_lock(ipipe, opipe);
+
+ do {
+- if (!opipe->readers) {
++ if (!atomic_read(&opipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ if (!ret)
+ ret = -EPIPE;
+@@ -1977,7 +1977,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
+ * return EAGAIN if we have the potential of some data in the
+ * future, otherwise just return 0
+ */
+- if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK))
++ if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK))
+ ret = -EAGAIN;
+
+ pipe_unlock(ipipe);
+diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
+index 2fbdff6..5530a61 100644
+--- a/fs/sysfs/dir.c
++++ b/fs/sysfs/dir.c
+@@ -685,6 +685,18 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
+ struct sysfs_dirent *sd;
+ int rc;
+
++#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
++ const char *parent_name = parent_sd->s_name;
++
++ mode = S_IFDIR | S_IRWXU;
++
++ if ((!strcmp(parent_name, "") && (!strcmp(name, "devices") || !strcmp(name, "fs"))) ||
++ (!strcmp(parent_name, "devices") && !strcmp(name, "system")) ||
++ (!strcmp(parent_name, "fs") && (!strcmp(name, "selinux") || !strcmp(name, "fuse"))) ||
++ (!strcmp(parent_name, "system") && !strcmp(name, "cpu")))
++ mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
++#endif
++
+ /* allocate */
+ sd = sysfs_new_dirent(name, mode, SYSFS_DIR);
+ if (!sd)
+diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
+index 00012e3..8392349 100644
+--- a/fs/sysfs/file.c
++++ b/fs/sysfs/file.c
+@@ -37,7 +37,7 @@ static DEFINE_SPINLOCK(sysfs_open_dirent_lock);
+
+ struct sysfs_open_dirent {
+ atomic_t refcnt;
+- atomic_t event;
++ atomic_unchecked_t event;
+ wait_queue_head_t poll;
+ struct list_head buffers; /* goes through sysfs_buffer.list */
+ };
+@@ -81,7 +81,7 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
+ if (!sysfs_get_active(attr_sd))
+ return -ENODEV;
+
+- buffer->event = atomic_read(&attr_sd->s_attr.open->event);
++ buffer->event = atomic_read_unchecked(&attr_sd->s_attr.open->event);
+ count = ops->show(kobj, attr_sd->s_attr.attr, buffer->page);
+
+ sysfs_put_active(attr_sd);
+@@ -287,7 +287,7 @@ static int sysfs_get_open_dirent(struct sysfs_dirent *sd,
+ return -ENOMEM;
+
+ atomic_set(&new_od->refcnt, 0);
+- atomic_set(&new_od->event, 1);
++ atomic_set_unchecked(&new_od->event, 1);
+ init_waitqueue_head(&new_od->poll);
+ INIT_LIST_HEAD(&new_od->buffers);
+ goto retry;
+@@ -432,7 +432,7 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait)
+
+ sysfs_put_active(attr_sd);
+
+- if (buffer->event != atomic_read(&od->event))
++ if (buffer->event != atomic_read_unchecked(&od->event))
+ goto trigger;
+
+ return DEFAULT_POLLMASK;
+@@ -451,7 +451,7 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd)
+
+ od = sd->s_attr.open;
+ if (od) {
+- atomic_inc(&od->event);
++ atomic_inc_unchecked(&od->event);
+ wake_up_interruptible(&od->poll);
+ }
+
+diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
+index a7ac78f..02158e1 100644
+--- a/fs/sysfs/symlink.c
++++ b/fs/sysfs/symlink.c
+@@ -286,7 +286,7 @@ static void *sysfs_follow_link(struct dentry *dentry, struct nameidata *nd)
+
+ static void sysfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
+ {
+- char *page = nd_get_link(nd);
++ const char *page = nd_get_link(nd);
+ if (!IS_ERR(page))
+ free_page((unsigned long)page);
+ }
+diff --git a/fs/udf/misc.c b/fs/udf/misc.c
+index c175b4d..8f36a16 100644
+--- a/fs/udf/misc.c
++++ b/fs/udf/misc.c
+@@ -289,7 +289,7 @@ void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
+
+ u8 udf_tag_checksum(const struct tag *t)
+ {
+- u8 *data = (u8 *)t;
++ const u8 *data = (const u8 *)t;
+ u8 checksum = 0;
+ int i;
+ for (i = 0; i < sizeof(struct tag); ++i)
+diff --git a/fs/utimes.c b/fs/utimes.c
+index fa4dbe4..e12d1b9 100644
+--- a/fs/utimes.c
++++ b/fs/utimes.c
+@@ -1,6 +1,7 @@
+ #include <linux/compiler.h>
+ #include <linux/file.h>
+ #include <linux/fs.h>
++#include <linux/security.h>
+ #include <linux/linkage.h>
+ #include <linux/mount.h>
+ #include <linux/namei.h>
+@@ -101,6 +102,12 @@ static int utimes_common(struct path *path, struct timespec *times)
+ goto mnt_drop_write_and_out;
+ }
+ }
++
++ if (!gr_acl_handle_utime(path->dentry, path->mnt)) {
++ error = -EACCES;
++ goto mnt_drop_write_and_out;
++ }
++
+ mutex_lock(&inode->i_mutex);
+ error = notify_change(path->dentry, &newattrs);
+ mutex_unlock(&inode->i_mutex);
+diff --git a/fs/xattr.c b/fs/xattr.c
+index 4d45b71..2ec08e10 100644
+--- a/fs/xattr.c
++++ b/fs/xattr.c
+@@ -316,7 +316,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr);
+ * Extended attribute SET operations
+ */
+ static long
+-setxattr(struct dentry *d, const char __user *name, const void __user *value,
++setxattr(struct path *path, const char __user *name, const void __user *value,
+ size_t size, int flags)
+ {
+ int error;
+@@ -349,7 +349,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
+ }
+ }
+
+- error = vfs_setxattr(d, kname, kvalue, size, flags);
++ if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) {
++ error = -EACCES;
++ goto out;
++ }
++
++ error = vfs_setxattr(path->dentry, kname, kvalue, size, flags);
+ out:
+ if (vvalue)
+ vfree(vvalue);
+@@ -370,7 +375,7 @@ SYSCALL_DEFINE5(setxattr, const char __user *, pathname,
+ return error;
+ error = mnt_want_write(path.mnt);
+ if (!error) {
+- error = setxattr(path.dentry, name, value, size, flags);
++ error = setxattr(&path, name, value, size, flags);
+ mnt_drop_write(path.mnt);
+ }
+ path_put(&path);
+@@ -389,7 +394,7 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
+ return error;
+ error = mnt_want_write(path.mnt);
+ if (!error) {
+- error = setxattr(path.dentry, name, value, size, flags);
++ error = setxattr(&path, name, value, size, flags);
+ mnt_drop_write(path.mnt);
+ }
+ path_put(&path);
+@@ -401,17 +406,15 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
+ {
+ int fput_needed;
+ struct file *f;
+- struct dentry *dentry;
+ int error = -EBADF;
+
+ f = fget_light(fd, &fput_needed);
+ if (!f)
+ return error;
+- dentry = f->f_path.dentry;
+- audit_inode(NULL, dentry);
++ audit_inode(NULL, f->f_path.dentry);
+ error = mnt_want_write_file(f);
+ if (!error) {
+- error = setxattr(dentry, name, value, size, flags);
++ error = setxattr(&f->f_path, name, value, size, flags);
+ mnt_drop_write_file(f);
+ }
+ fput_light(f, fput_needed);
+diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c
+index 69d06b0..c0996e5 100644
+--- a/fs/xattr_acl.c
++++ b/fs/xattr_acl.c
+@@ -17,8 +17,8 @@
+ struct posix_acl *
+ posix_acl_from_xattr(const void *value, size_t size)
+ {
+- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value;
+- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end;
++ const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value;
++ const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end;
+ int count;
+ struct posix_acl *acl;
+ struct posix_acl_entry *acl_e;
+diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
+index 848ffa7..1f249bf 100644
+--- a/fs/xfs/xfs_bmap.c
++++ b/fs/xfs/xfs_bmap.c
+@@ -189,7 +189,7 @@ xfs_bmap_validate_ret(
+ int nmap,
+ int ret_nmap);
+ #else
+-#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)
++#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do {} while (0)
+ #endif /* DEBUG */
+
+ STATIC int
+diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
+index 1b9fc3e..e1bdde0 100644
+--- a/fs/xfs/xfs_dir2_sf.c
++++ b/fs/xfs/xfs_dir2_sf.c
+@@ -851,7 +851,15 @@ xfs_dir2_sf_getdents(
+ }
+
+ ino = xfs_dir2_sfe_get_ino(sfp, sfep);
+- if (filldir(dirent, (char *)sfep->name, sfep->namelen,
++ if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) {
++ char name[sfep->namelen];
++ memcpy(name, sfep->name, sfep->namelen);
++ if (filldir(dirent, name, sfep->namelen,
++ off & 0x7fffffff, ino, DT_UNKNOWN)) {
++ *offset = off & 0x7fffffff;
++ return 0;
++ }
++ } else if (filldir(dirent, (char *)sfep->name, sfep->namelen,
+ off & 0x7fffffff, ino, DT_UNKNOWN)) {
+ *offset = off & 0x7fffffff;
+ return 0;
+diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
+index 0e0232c..fa5c3fe 100644
+--- a/fs/xfs/xfs_ioctl.c
++++ b/fs/xfs/xfs_ioctl.c
+@@ -126,7 +126,7 @@ xfs_find_handle(
+ }
+
+ error = -EFAULT;
+- if (copy_to_user(hreq->ohandle, &handle, hsize) ||
++ if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) ||
+ copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
+ goto out_put;
+
+diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
+index 4e00cf0..3374374 100644
+--- a/fs/xfs/xfs_iops.c
++++ b/fs/xfs/xfs_iops.c
+@@ -394,7 +394,7 @@ xfs_vn_put_link(
+ struct nameidata *nd,
+ void *p)
+ {
+- char *s = nd_get_link(nd);
++ const char *s = nd_get_link(nd);
+
+ if (!IS_ERR(s))
+ kfree(s);
+diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig
+new file mode 100644
+index 0000000..d38b430
+--- /dev/null
++++ b/grsecurity/Kconfig
+@@ -0,0 +1,947 @@
++#
++# grecurity configuration
++#
++menu "Memory Protections"
++depends on GRKERNSEC
++
++config GRKERNSEC_KMEM
++ bool "Deny reading/writing to /dev/kmem, /dev/mem, and /dev/port"
++ default y if GRKERNSEC_CONFIG_AUTO
++ select STRICT_DEVMEM if (X86 || ARM || TILE || S390)
++ help
++ If you say Y here, /dev/kmem and /dev/mem won't be allowed to
++ be written to or read from to modify or leak the contents of the running
++ kernel. /dev/port will also not be allowed to be opened. If you have module
++ support disabled, enabling this will close up four ways that are
++ currently used to insert malicious code into the running kernel.
++ Even with all these features enabled, we still highly recommend that
++ you use the RBAC system, as it is still possible for an attacker to
++ modify the running kernel through privileged I/O granted by ioperm/iopl.
++ If you are not using XFree86, you may be able to stop this additional
++ case by enabling the 'Disable privileged I/O' option. Though nothing
++ legitimately writes to /dev/kmem, XFree86 does need to write to /dev/mem,
++ but only to video memory, which is the only writing we allow in this
++ case. If /dev/kmem or /dev/mem are mmaped without PROT_WRITE, they will
++ not be allowed to mprotect it with PROT_WRITE later.
++ It is highly recommended that you say Y here if you meet all the
++ conditions above.
++
++config GRKERNSEC_VM86
++ bool "Restrict VM86 mode"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
++ depends on X86_32
++
++ help
++ If you say Y here, only processes with CAP_SYS_RAWIO will be able to
++ make use of a special execution mode on 32bit x86 processors called
++ Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain
++ video cards and will still work with this option enabled. The purpose
++ of the option is to prevent exploitation of emulation errors in
++ virtualization of vm86 mode like the one discovered in VMWare in 2009.
++ Nearly all users should be able to enable this option.
++
++config GRKERNSEC_IO
++ bool "Disable privileged I/O"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
++ depends on X86
++ select RTC_CLASS
++ select RTC_INTF_DEV
++ select RTC_DRV_CMOS
++
++ help
++ If you say Y here, all ioperm and iopl calls will return an error.
++ Ioperm and iopl can be used to modify the running kernel.
++ Unfortunately, some programs need this access to operate properly,
++ the most notable of which are XFree86 and hwclock. hwclock can be
++ remedied by having RTC support in the kernel, so real-time
++ clock support is enabled if this option is enabled, to ensure
++ that hwclock operates correctly. XFree86 still will not
++ operate correctly with this option enabled, so DO NOT CHOOSE Y
++ IF YOU USE XFree86. If you use XFree86 and you still want to
++ protect your kernel against modification, use the RBAC system.
++
++config GRKERNSEC_PROC_MEMMAP
++ bool "Harden ASLR against information leaks and entropy reduction"
++ default y if (GRKERNSEC_CONFIG_AUTO || PAX_NOEXEC || PAX_ASLR)
++ depends on PAX_NOEXEC || PAX_ASLR
++ help
++ If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will
++ give no information about the addresses of its mappings if
++ PaX features that rely on random addresses are enabled on the task.
++ In addition to sanitizing this information and disabling other
++ dangerous sources of information, this option causes reads of sensitive
++ /proc/<pid> entries where the file descriptor was opened in a different
++ task than the one performing the read. Such attempts are logged.
++ This option also limits argv/env strings for suid/sgid binaries
++ to 512KB to prevent a complete exhaustion of the stack entropy provided
++ by ASLR. Finally, it places an 8MB stack resource limit on suid/sgid
++ binaries to prevent alternative mmap layouts from being abused.
++
++ If you use PaX it is essential that you say Y here as it closes up
++ several holes that make full ASLR useless locally.
++
++config GRKERNSEC_BRUTE
++ bool "Deter exploit bruteforcing"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, attempts to bruteforce exploits against forking
++ daemons such as apache or sshd, as well as against suid/sgid binaries
++ will be deterred. When a child of a forking daemon is killed by PaX
++ or crashes due to an illegal instruction or other suspicious signal,
++ the parent process will be delayed 30 seconds upon every subsequent
++ fork until the administrator is able to assess the situation and
++ restart the daemon.
++ In the suid/sgid case, the attempt is logged, the user has all their
++ processes terminated, and they are prevented from executing any further
++ processes for 15 minutes.
++ It is recommended that you also enable signal logging in the auditing
++ section so that logs are generated when a process triggers a suspicious
++ signal.
++ If the sysctl option is enabled, a sysctl option with name
++ "deter_bruteforce" is created.
++
++
++config GRKERNSEC_MODHARDEN
++ bool "Harden module auto-loading"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on MODULES
++ help
++ If you say Y here, module auto-loading in response to use of some
++ feature implemented by an unloaded module will be restricted to
++ root users. Enabling this option helps defend against attacks
++ by unprivileged users who abuse the auto-loading behavior to
++ cause a vulnerable module to load that is then exploited.
++
++ If this option prevents a legitimate use of auto-loading for a
++ non-root user, the administrator can execute modprobe manually
++ with the exact name of the module mentioned in the alert log.
++ Alternatively, the administrator can add the module to the list
++ of modules loaded at boot by modifying init scripts.
++
++ Modification of init scripts will most likely be needed on
++ Ubuntu servers with encrypted home directory support enabled,
++ as the first non-root user logging in will cause the ecb(aes),
++ ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded.
++
++config GRKERNSEC_HIDESYM
++ bool "Hide kernel symbols"
++ default y if GRKERNSEC_CONFIG_AUTO
++ select PAX_USERCOPY_SLABS
++ help
++ If you say Y here, getting information on loaded modules, and
++ displaying all kernel symbols through a syscall will be restricted
++ to users with CAP_SYS_MODULE. For software compatibility reasons,
++ /proc/kallsyms will be restricted to the root user. The RBAC
++ system can hide that entry even from root.
++
++ This option also prevents leaking of kernel addresses through
++ several /proc entries.
++
++ Note that this option is only effective provided the following
++ conditions are met:
++ 1) The kernel using grsecurity is not precompiled by some distribution
++ 2) You have also enabled GRKERNSEC_DMESG
++ 3) You are using the RBAC system and hiding other files such as your
++ kernel image and System.map. Alternatively, enabling this option
++ causes the permissions on /boot, /lib/modules, and the kernel
++ source directory to change at compile time to prevent
++ reading by non-root users.
++ If the above conditions are met, this option will aid in providing a
++ useful protection against local kernel exploitation of overflows
++ and arbitrary read/write vulnerabilities.
++
++config GRKERNSEC_KERN_LOCKOUT
++ bool "Active kernel exploit response"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on X86 || ARM || PPC || SPARC
++ help
++ If you say Y here, when a PaX alert is triggered due to suspicious
++ activity in the kernel (from KERNEXEC/UDEREF/USERCOPY)
++ or an OOPS occurs due to bad memory accesses, instead of just
++ terminating the offending process (and potentially allowing
++ a subsequent exploit from the same user), we will take one of two
++ actions:
++ If the user was root, we will panic the system
++ If the user was non-root, we will log the attempt, terminate
++ all processes owned by the user, then prevent them from creating
++ any new processes until the system is restarted
++ This deters repeated kernel exploitation/bruteforcing attempts
++ and is useful for later forensics.
++
++endmenu
++menu "Role Based Access Control Options"
++depends on GRKERNSEC
++
++config GRKERNSEC_RBAC_DEBUG
++ bool
++
++config GRKERNSEC_NO_RBAC
++ bool "Disable RBAC system"
++ help
++ If you say Y here, the /dev/grsec device will be removed from the kernel,
++ preventing the RBAC system from being enabled. You should only say Y
++ here if you have no intention of using the RBAC system, so as to prevent
++ an attacker with root access from misusing the RBAC system to hide files
++ and processes when loadable module support and /dev/[k]mem have been
++ locked down.
++
++config GRKERNSEC_ACL_HIDEKERN
++ bool "Hide kernel processes"
++ help
++ If you say Y here, all kernel threads will be hidden to all
++ processes but those whose subject has the "view hidden processes"
++ flag.
++
++config GRKERNSEC_ACL_MAXTRIES
++ int "Maximum tries before password lockout"
++ default 3
++ help
++ This option enforces the maximum number of times a user can attempt
++ to authorize themselves with the grsecurity RBAC system before being
++ denied the ability to attempt authorization again for a specified time.
++ The lower the number, the harder it will be to brute-force a password.
++
++config GRKERNSEC_ACL_TIMEOUT
++ int "Time to wait after max password tries, in seconds"
++ default 30
++ help
++ This option specifies the time the user must wait after attempting to
++ authorize to the RBAC system with the maximum number of invalid
++ passwords. The higher the number, the harder it will be to brute-force
++ a password.
++
++endmenu
++menu "Filesystem Protections"
++depends on GRKERNSEC
++
++config GRKERNSEC_PROC
++ bool "Proc restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, the permissions of the /proc filesystem
++ will be altered to enhance system security and privacy. You MUST
++ choose either a user only restriction or a user and group restriction.
++ Depending upon the option you choose, you can either restrict users to
++ see only the processes they themselves run, or choose a group that can
++ view all processes and files normally restricted to root if you choose
++ the "restrict to user only" option. NOTE: If you're running identd or
++ ntpd as a non-root user, you will have to run it as the group you
++ specify here.
++
++config GRKERNSEC_PROC_USER
++ bool "Restrict /proc to user only"
++ depends on GRKERNSEC_PROC
++ help
++ If you say Y here, non-root users will only be able to view their own
++ processes, and restricts them from viewing network-related information,
++ and viewing kernel symbol and module information.
++
++config GRKERNSEC_PROC_USERGROUP
++ bool "Allow special group"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER
++ help
++ If you say Y here, you will be able to select a group that will be
++ able to view all processes and network-related information. If you've
++ enabled GRKERNSEC_HIDESYM, kernel and symbol information may still
++ remain hidden. This option is useful if you want to run identd as
++ a non-root user. The group you select may also be chosen at boot time
++ via "grsec_proc_gid=" on the kernel commandline.
++
++config GRKERNSEC_PROC_GID
++ int "GID for special group"
++ depends on GRKERNSEC_PROC_USERGROUP
++ default 1001
++
++config GRKERNSEC_PROC_ADD
++ bool "Additional restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP
++ help
++ If you say Y here, additional restrictions will be placed on
++ /proc that keep normal users from viewing device information and
++ slabinfo information that could be useful for exploits.
++
++config GRKERNSEC_LINK
++ bool "Linking restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, /tmp race exploits will be prevented, since users
++ will no longer be able to follow symlinks owned by other users in
++ world-writable +t directories (e.g. /tmp), unless the owner of the
++ symlink is the owner of the directory. users will also not be
++ able to hardlink to files they do not own. If the sysctl option is
++ enabled, a sysctl option with name "linking_restrictions" is created.
++
++config GRKERNSEC_SYMLINKOWN
++ bool "Kernel-enforced SymlinksIfOwnerMatch"
++ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
++ help
++ Apache's SymlinksIfOwnerMatch option has an inherent race condition
++ that prevents it from being used as a security feature. As Apache
++ verifies the symlink by performing a stat() against the target of
++ the symlink before it is followed, an attacker can setup a symlink
++ to point to a same-owned file, then replace the symlink with one
++ that targets another user's file just after Apache "validates" the
++ symlink -- a classic TOCTOU race. If you say Y here, a complete,
++ race-free replacement for Apache's "SymlinksIfOwnerMatch" option
++ will be in place for the group you specify. If the sysctl option
++ is enabled, a sysctl option with name "enforce_symlinksifowner" is
++ created.
++
++config GRKERNSEC_SYMLINKOWN_GID
++ int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
++ depends on GRKERNSEC_SYMLINKOWN
++ default 1006
++ help
++ Setting this GID determines what group kernel-enforced
++ SymlinksIfOwnerMatch will be enabled for. If the sysctl option
++ is enabled, a sysctl option with name "symlinkown_gid" is created.
++
++config GRKERNSEC_FIFO
++ bool "FIFO restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, users will not be able to write to FIFOs they don't
++ own in world-writable +t directories (e.g. /tmp), unless the owner of
++ the FIFO is the same owner of the directory it's held in. If the sysctl
++ option is enabled, a sysctl option with name "fifo_restrictions" is
++ created.
++
++config GRKERNSEC_SYSFS_RESTRICT
++ bool "Sysfs/debugfs restriction"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
++ depends on SYSFS
++ help
++ If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and
++ any filesystem normally mounted under it (e.g. debugfs) will be
++ mostly accessible only by root. These filesystems generally provide access
++ to hardware and debug information that isn't appropriate for unprivileged
++ users of the system. Sysfs and debugfs have also become a large source
++ of new vulnerabilities, ranging from infoleaks to local compromise.
++ There has been very little oversight with an eye toward security involved
++ in adding new exporters of information to these filesystems, so their
++ use is discouraged.
++ For reasons of compatibility, a few directories have been whitelisted
++ for access by non-root users:
++ /sys/fs/selinux
++ /sys/fs/fuse
++ /sys/devices/system/cpu
++
++config GRKERNSEC_ROFS
++ bool "Runtime read-only mount protection"
++ help
++ If you say Y here, a sysctl option with name "romount_protect" will
++ be created. By setting this option to 1 at runtime, filesystems
++ will be protected in the following ways:
++ * No new writable mounts will be allowed
++ * Existing read-only mounts won't be able to be remounted read/write
++ * Write operations will be denied on all block devices
++ This option acts independently of grsec_lock: once it is set to 1,
++ it cannot be turned off. Therefore, please be mindful of the resulting
++ behavior if this option is enabled in an init script on a read-only
++ filesystem. This feature is mainly intended for secure embedded systems.
++
++config GRKERNSEC_CHROOT
++ bool "Chroot jail restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, you will be able to choose several options that will
++ make breaking out of a chrooted jail much more difficult. If you
++ encounter no software incompatibilities with the following options, it
++ is recommended that you enable each one.
++
++config GRKERNSEC_CHROOT_MOUNT
++ bool "Deny mounts"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to
++ mount or remount filesystems. If the sysctl option is enabled, a
++ sysctl option with name "chroot_deny_mount" is created.
++
++config GRKERNSEC_CHROOT_DOUBLE
++ bool "Deny double-chroots"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to chroot
++ again outside the chroot. This is a widely used method of breaking
++ out of a chroot jail and should not be allowed. If the sysctl
++ option is enabled, a sysctl option with name
++ "chroot_deny_chroot" is created.
++
++config GRKERNSEC_CHROOT_PIVOT
++ bool "Deny pivot_root in chroot"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to use
++ a function called pivot_root() that was introduced in Linux 2.3.41. It
++ works similar to chroot in that it changes the root filesystem. This
++ function could be misused in a chrooted process to attempt to break out
++ of the chroot, and therefore should not be allowed. If the sysctl
++ option is enabled, a sysctl option with name "chroot_deny_pivot" is
++ created.
++
++config GRKERNSEC_CHROOT_CHDIR
++ bool "Enforce chdir(\"/\") on all chroots"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, the current working directory of all newly-chrooted
++ applications will be set to the the root directory of the chroot.
++ The man page on chroot(2) states:
++ Note that this call does not change the current working
++ directory, so that `.' can be outside the tree rooted at
++ `/'. In particular, the super-user can escape from a
++ `chroot jail' by doing `mkdir foo; chroot foo; cd ..'.
++
++ It is recommended that you say Y here, since it's not known to break
++ any software. If the sysctl option is enabled, a sysctl option with
++ name "chroot_enforce_chdir" is created.
++
++config GRKERNSEC_CHROOT_CHMOD
++ bool "Deny (f)chmod +s"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to chmod
++ or fchmod files to make them have suid or sgid bits. This protects
++ against another published method of breaking a chroot. If the sysctl
++ option is enabled, a sysctl option with name "chroot_deny_chmod" is
++ created.
++
++config GRKERNSEC_CHROOT_FCHDIR
++ bool "Deny fchdir out of chroot"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, a well-known method of breaking chroots by fchdir'ing
++ to a file descriptor of the chrooting process that points to a directory
++ outside the filesystem will be stopped. If the sysctl option
++ is enabled, a sysctl option with name "chroot_deny_fchdir" is created.
++
++config GRKERNSEC_CHROOT_MKNOD
++ bool "Deny mknod"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be allowed to
++ mknod. The problem with using mknod inside a chroot is that it
++ would allow an attacker to create a device entry that is the same
++ as one on the physical root of your system, which could range from
++ anything from the console device to a device for your harddrive (which
++ they could then use to wipe the drive or steal data). It is recommended
++ that you say Y here, unless you run into software incompatibilities.
++ If the sysctl option is enabled, a sysctl option with name
++ "chroot_deny_mknod" is created.
++
++config GRKERNSEC_CHROOT_SHMAT
++ bool "Deny shmat() out of chroot"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to attach
++ to shared memory segments that were created outside of the chroot jail.
++ It is recommended that you say Y here. If the sysctl option is enabled,
++ a sysctl option with name "chroot_deny_shmat" is created.
++
++config GRKERNSEC_CHROOT_UNIX
++ bool "Deny access to abstract AF_UNIX sockets out of chroot"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to
++ connect to abstract (meaning not belonging to a filesystem) Unix
++ domain sockets that were bound outside of a chroot. It is recommended
++ that you say Y here. If the sysctl option is enabled, a sysctl option
++ with name "chroot_deny_unix" is created.
++
++config GRKERNSEC_CHROOT_FINDTASK
++ bool "Protect outside processes"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to
++ kill, send signals with fcntl, ptrace, capget, getpgid, setpgid,
++ getsid, or view any process outside of the chroot. If the sysctl
++ option is enabled, a sysctl option with name "chroot_findtask" is
++ created.
++
++config GRKERNSEC_CHROOT_NICE
++ bool "Restrict priority changes"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, processes inside a chroot will not be able to raise
++ the priority of processes in the chroot, or alter the priority of
++ processes outside the chroot. This provides more security than simply
++ removing CAP_SYS_NICE from the process' capability set. If the
++ sysctl option is enabled, a sysctl option with name "chroot_restrict_nice"
++ is created.
++
++config GRKERNSEC_CHROOT_SYSCTL
++ bool "Deny sysctl writes"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, an attacker in a chroot will not be able to
++ write to sysctl entries, either by sysctl(2) or through a /proc
++ interface. It is strongly recommended that you say Y here. If the
++ sysctl option is enabled, a sysctl option with name
++ "chroot_deny_sysctl" is created.
++
++config GRKERNSEC_CHROOT_CAPS
++ bool "Capability restrictions"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_CHROOT
++ help
++ If you say Y here, the capabilities on all processes within a
++ chroot jail will be lowered to stop module insertion, raw i/o,
++ system and net admin tasks, rebooting the system, modifying immutable
++ files, modifying IPC owned by another, and changing the system time.
++ This is left an option because it can break some apps. Disable this
++ if your chrooted apps are having problems performing those kinds of
++ tasks. If the sysctl option is enabled, a sysctl option with
++ name "chroot_caps" is created.
++
++endmenu
++menu "Kernel Auditing"
++depends on GRKERNSEC
++
++config GRKERNSEC_AUDIT_GROUP
++ bool "Single group for auditing"
++ help
++ If you say Y here, the exec, chdir, and (un)mount logging features
++ will only operate on a group you specify. This option is recommended
++ if you only want to watch certain users instead of having a large
++ amount of logs from the entire system. If the sysctl option is enabled,
++ a sysctl option with name "audit_group" is created.
++
++config GRKERNSEC_AUDIT_GID
++ int "GID for auditing"
++ depends on GRKERNSEC_AUDIT_GROUP
++ default 1007
++
++config GRKERNSEC_EXECLOG
++ bool "Exec logging"
++ help
++ If you say Y here, all execve() calls will be logged (since the
++ other exec*() calls are frontends to execve(), all execution
++ will be logged). Useful for shell-servers that like to keep track
++ of their users. If the sysctl option is enabled, a sysctl option with
++ name "exec_logging" is created.
++ WARNING: This option when enabled will produce a LOT of logs, especially
++ on an active system.
++
++config GRKERNSEC_RESLOG
++ bool "Resource logging"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, all attempts to overstep resource limits will
++ be logged with the resource name, the requested size, and the current
++ limit. It is highly recommended that you say Y here. If the sysctl
++ option is enabled, a sysctl option with name "resource_logging" is
++ created. If the RBAC system is enabled, the sysctl value is ignored.
++
++config GRKERNSEC_CHROOT_EXECLOG
++ bool "Log execs within chroot"
++ help
++ If you say Y here, all executions inside a chroot jail will be logged
++ to syslog. This can cause a large amount of logs if certain
++ applications (eg. djb's daemontools) are installed on the system, and
++ is therefore left as an option. If the sysctl option is enabled, a
++ sysctl option with name "chroot_execlog" is created.
++
++config GRKERNSEC_AUDIT_PTRACE
++ bool "Ptrace logging"
++ help
++ If you say Y here, all attempts to attach to a process via ptrace
++ will be logged. If the sysctl option is enabled, a sysctl option
++ with name "audit_ptrace" is created.
++
++config GRKERNSEC_AUDIT_CHDIR
++ bool "Chdir logging"
++ help
++ If you say Y here, all chdir() calls will be logged. If the sysctl
++ option is enabled, a sysctl option with name "audit_chdir" is created.
++
++config GRKERNSEC_AUDIT_MOUNT
++ bool "(Un)Mount logging"
++ help
++ If you say Y here, all mounts and unmounts will be logged. If the
++ sysctl option is enabled, a sysctl option with name "audit_mount" is
++ created.
++
++config GRKERNSEC_SIGNAL
++ bool "Signal logging"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, certain important signals will be logged, such as
++ SIGSEGV, which will as a result inform you of when a error in a program
++ occurred, which in some cases could mean a possible exploit attempt.
++ If the sysctl option is enabled, a sysctl option with name
++ "signal_logging" is created.
++
++config GRKERNSEC_FORKFAIL
++ bool "Fork failure logging"
++ help
++ If you say Y here, all failed fork() attempts will be logged.
++ This could suggest a fork bomb, or someone attempting to overstep
++ their process limit. If the sysctl option is enabled, a sysctl option
++ with name "forkfail_logging" is created.
++
++config GRKERNSEC_TIME
++ bool "Time change logging"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, any changes of the system clock will be logged.
++ If the sysctl option is enabled, a sysctl option with name
++ "timechange_logging" is created.
++
++config GRKERNSEC_PROC_IPADDR
++ bool "/proc/<pid>/ipaddr support"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, a new entry will be added to each /proc/<pid>
++ directory that contains the IP address of the person using the task.
++ The IP is carried across local TCP and AF_UNIX stream sockets.
++ This information can be useful for IDS/IPSes to perform remote response
++ to a local attack. The entry is readable by only the owner of the
++ process (and root if he has CAP_DAC_OVERRIDE, which can be removed via
++ the RBAC system), and thus does not create privacy concerns.
++
++config GRKERNSEC_RWXMAP_LOG
++ bool 'Denied RWX mmap/mprotect logging'
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT
++ help
++ If you say Y here, calls to mmap() and mprotect() with explicit
++ usage of PROT_WRITE and PROT_EXEC together will be logged when
++ denied by the PAX_MPROTECT feature. If the sysctl option is
++ enabled, a sysctl option with name "rwxmap_logging" is created.
++
++config GRKERNSEC_AUDIT_TEXTREL
++ bool 'ELF text relocations logging (READ HELP)'
++ depends on PAX_MPROTECT
++ help
++ If you say Y here, text relocations will be logged with the filename
++ of the offending library or binary. The purpose of the feature is
++ to help Linux distribution developers get rid of libraries and
++ binaries that need text relocations which hinder the future progress
++ of PaX. Only Linux distribution developers should say Y here, and
++ never on a production machine, as this option creates an information
++ leak that could aid an attacker in defeating the randomization of
++ a single memory region. If the sysctl option is enabled, a sysctl
++ option with name "audit_textrel" is created.
++
++endmenu
++
++menu "Executable Protections"
++depends on GRKERNSEC
++
++config GRKERNSEC_DMESG
++ bool "Dmesg(8) restriction"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, non-root users will not be able to use dmesg(8)
++ to view up to the last 4kb of messages in the kernel's log buffer.
++ The kernel's log buffer often contains kernel addresses and other
++ identifying information useful to an attacker in fingerprinting a
++ system for a targeted exploit.
++ If the sysctl option is enabled, a sysctl option with name "dmesg" is
++ created.
++
++config GRKERNSEC_HARDEN_PTRACE
++ bool "Deter ptrace-based process snooping"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, TTY sniffers and other malicious monitoring
++ programs implemented through ptrace will be defeated. If you
++ have been using the RBAC system, this option has already been
++ enabled for several years for all users, with the ability to make
++ fine-grained exceptions.
++
++ This option only affects the ability of non-root users to ptrace
++ processes that are not a descendent of the ptracing process.
++ This means that strace ./binary and gdb ./binary will still work,
++ but attaching to arbitrary processes will not. If the sysctl
++ option is enabled, a sysctl option with name "harden_ptrace" is
++ created.
++
++config GRKERNSEC_PTRACE_READEXEC
++ bool "Require read access to ptrace sensitive binaries"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, unprivileged users will not be able to ptrace unreadable
++ binaries. This option is useful in environments that
++ remove the read bits (e.g. file mode 4711) from suid binaries to
++ prevent infoleaking of their contents. This option adds
++ consistency to the use of that file mode, as the binary could normally
++ be read out when run without privileges while ptracing.
++
++ If the sysctl option is enabled, a sysctl option with name "ptrace_readexec"
++ is created.
++
++config GRKERNSEC_SETXID
++ bool "Enforce consistent multithreaded privileges"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on (X86 || SPARC64 || PPC || ARM || MIPS)
++ help
++ If you say Y here, a change from a root uid to a non-root uid
++ in a multithreaded application will cause the resulting uids,
++ gids, supplementary groups, and capabilities in that thread
++ to be propagated to the other threads of the process. In most
++ cases this is unnecessary, as glibc will emulate this behavior
++ on behalf of the application. Other libcs do not act in the
++ same way, allowing the other threads of the process to continue
++ running with root privileges. If the sysctl option is enabled,
++ a sysctl option with name "consistent_setxid" is created.
++
++config GRKERNSEC_TPE
++ bool "Trusted Path Execution (TPE)"
++ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
++ help
++ If you say Y here, you will be able to choose a gid to add to the
++ supplementary groups of users you want to mark as "untrusted."
++ These users will not be able to execute any files that are not in
++ root-owned directories writable only by root. If the sysctl option
++ is enabled, a sysctl option with name "tpe" is created.
++
++config GRKERNSEC_TPE_ALL
++ bool "Partially restrict all non-root users"
++ depends on GRKERNSEC_TPE
++ help
++ If you say Y here, all non-root users will be covered under
++ a weaker TPE restriction. This is separate from, and in addition to,
++ the main TPE options that you have selected elsewhere. Thus, if a
++ "trusted" GID is chosen, this restriction applies to even that GID.
++ Under this restriction, all non-root users will only be allowed to
++ execute files in directories they own that are not group or
++ world-writable, or in directories owned by root and writable only by
++ root. If the sysctl option is enabled, a sysctl option with name
++ "tpe_restrict_all" is created.
++
++config GRKERNSEC_TPE_INVERT
++ bool "Invert GID option"
++ depends on GRKERNSEC_TPE
++ help
++ If you say Y here, the group you specify in the TPE configuration will
++ decide what group TPE restrictions will be *disabled* for. This
++ option is useful if you want TPE restrictions to be applied to most
++ users on the system. If the sysctl option is enabled, a sysctl option
++ with name "tpe_invert" is created. Unlike other sysctl options, this
++ entry will default to on for backward-compatibility.
++
++config GRKERNSEC_TPE_GID
++ int
++ default GRKERNSEC_TPE_UNTRUSTED_GID if (GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT)
++ default GRKERNSEC_TPE_TRUSTED_GID if (GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT)
++
++config GRKERNSEC_TPE_UNTRUSTED_GID
++ int "GID for TPE-untrusted users"
++ depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT
++ default 1005
++ help
++ Setting this GID determines what group TPE restrictions will be
++ *enabled* for. If the sysctl option is enabled, a sysctl option
++ with name "tpe_gid" is created.
++
++config GRKERNSEC_TPE_TRUSTED_GID
++ int "GID for TPE-trusted users"
++ depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT
++ default 1005
++ help
++ Setting this GID determines what group TPE restrictions will be
++ *disabled* for. If the sysctl option is enabled, a sysctl option
++ with name "tpe_gid" is created.
++
++endmenu
++menu "Network Protections"
++depends on GRKERNSEC
++
++config GRKERNSEC_RANDNET
++ bool "Larger entropy pools"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, the entropy pools used for many features of Linux
++ and grsecurity will be doubled in size. Since several grsecurity
++ features use additional randomness, it is recommended that you say Y
++ here. Saying Y here has a similar effect as modifying
++ /proc/sys/kernel/random/poolsize.
++
++config GRKERNSEC_BLACKHOLE
++ bool "TCP/UDP blackhole and LAST_ACK DoS prevention"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on NET
++ help
++ If you say Y here, neither TCP resets nor ICMP
++ destination-unreachable packets will be sent in response to packets
++ sent to ports for which no associated listening process exists.
++ This feature supports both IPV4 and IPV6 and exempts the
++ loopback interface from blackholing. Enabling this feature
++ makes a host more resilient to DoS attacks and reduces network
++ visibility against scanners.
++
++ The blackhole feature as-implemented is equivalent to the FreeBSD
++ blackhole feature, as it prevents RST responses to all packets, not
++ just SYNs. Under most application behavior this causes no
++ problems, but applications (like haproxy) may not close certain
++ connections in a way that cleanly terminates them on the remote
++ end, leaving the remote host in LAST_ACK state. Because of this
++ side-effect and to prevent intentional LAST_ACK DoSes, this
++ feature also adds automatic mitigation against such attacks.
++ The mitigation drastically reduces the amount of time a socket
++ can spend in LAST_ACK state. If you're using haproxy and not
++ all servers it connects to have this option enabled, consider
++ disabling this feature on the haproxy host.
++
++ If the sysctl option is enabled, two sysctl options with names
++ "ip_blackhole" and "lastack_retries" will be created.
++ While "ip_blackhole" takes the standard zero/non-zero on/off
++ toggle, "lastack_retries" uses the same kinds of values as
++ "tcp_retries1" and "tcp_retries2". The default value of 4
++ prevents a socket from lasting more than 45 seconds in LAST_ACK
++ state.
++
++config GRKERNSEC_SOCKET
++ bool "Socket restrictions"
++ depends on NET
++ help
++ If you say Y here, you will be able to choose from several options.
++ If you assign a GID on your system and add it to the supplementary
++ groups of users you want to restrict socket access to, this patch
++ will perform up to three things, based on the option(s) you choose.
++
++config GRKERNSEC_SOCKET_ALL
++ bool "Deny any sockets to group"
++ depends on GRKERNSEC_SOCKET
++ help
++ If you say Y here, you will be able to choose a GID of whose users will
++ be unable to connect to other hosts from your machine or run server
++ applications from your machine. If the sysctl option is enabled, a
++ sysctl option with name "socket_all" is created.
++
++config GRKERNSEC_SOCKET_ALL_GID
++ int "GID to deny all sockets for"
++ depends on GRKERNSEC_SOCKET_ALL
++ default 1004
++ help
++ Here you can choose the GID to disable socket access for. Remember to
++ add the users you want socket access disabled for to the GID
++ specified here. If the sysctl option is enabled, a sysctl option
++ with name "socket_all_gid" is created.
++
++config GRKERNSEC_SOCKET_CLIENT
++ bool "Deny client sockets to group"
++ depends on GRKERNSEC_SOCKET
++ help
++ If you say Y here, you will be able to choose a GID of whose users will
++ be unable to connect to other hosts from your machine, but will be
++ able to run servers. If this option is enabled, all users in the group
++ you specify will have to use passive mode when initiating ftp transfers
++ from the shell on your machine. If the sysctl option is enabled, a
++ sysctl option with name "socket_client" is created.
++
++config GRKERNSEC_SOCKET_CLIENT_GID
++ int "GID to deny client sockets for"
++ depends on GRKERNSEC_SOCKET_CLIENT
++ default 1003
++ help
++ Here you can choose the GID to disable client socket access for.
++ Remember to add the users you want client socket access disabled for to
++ the GID specified here. If the sysctl option is enabled, a sysctl
++ option with name "socket_client_gid" is created.
++
++config GRKERNSEC_SOCKET_SERVER
++ bool "Deny server sockets to group"
++ depends on GRKERNSEC_SOCKET
++ help
++ If you say Y here, you will be able to choose a GID of whose users will
++ be unable to run server applications from your machine. If the sysctl
++ option is enabled, a sysctl option with name "socket_server" is created.
++
++config GRKERNSEC_SOCKET_SERVER_GID
++ int "GID to deny server sockets for"
++ depends on GRKERNSEC_SOCKET_SERVER
++ default 1002
++ help
++ Here you can choose the GID to disable server socket access for.
++ Remember to add the users you want server socket access disabled for to
++ the GID specified here. If the sysctl option is enabled, a sysctl
++ option with name "socket_server_gid" is created.
++
++endmenu
++menu "Sysctl Support"
++depends on GRKERNSEC && SYSCTL
++
++config GRKERNSEC_SYSCTL
++ bool "Sysctl support"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ If you say Y here, you will be able to change the options that
++ grsecurity runs with at bootup, without having to recompile your
++ kernel. You can echo values to files in /proc/sys/kernel/grsecurity
++ to enable (1) or disable (0) various features. All the sysctl entries
++ are mutable until the "grsec_lock" entry is set to a non-zero value.
++ All features enabled in the kernel configuration are disabled at boot
++ if you do not say Y to the "Turn on features by default" option.
++ All options should be set at startup, and the grsec_lock entry should
++ be set to a non-zero value after all the options are set.
++ *THIS IS EXTREMELY IMPORTANT*
++
++config GRKERNSEC_SYSCTL_DISTRO
++ bool "Extra sysctl support for distro makers (READ HELP)"
++ depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO
++ help
++ If you say Y here, additional sysctl options will be created
++ for features that affect processes running as root. Therefore,
++ it is critical when using this option that the grsec_lock entry be
++ enabled after boot. Only distros with prebuilt kernel packages
++ with this option enabled that can ensure grsec_lock is enabled
++ after boot should use this option.
++ *Failure to set grsec_lock after boot makes all grsec features
++ this option covers useless*
++
++ Currently this option creates the following sysctl entries:
++ "Disable Privileged I/O": "disable_priv_io"
++
++config GRKERNSEC_SYSCTL_ON
++ bool "Turn on features by default"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC_SYSCTL
++ help
++ If you say Y here, instead of having all features enabled in the
++ kernel configuration disabled at boot time, the features will be
++ enabled at boot time. It is recommended you say Y here unless
++ there is some reason you would want all sysctl-tunable features to
++ be disabled by default. As mentioned elsewhere, it is important
++ to enable the grsec_lock entry once you have finished modifying
++ the sysctl entries.
++
++endmenu
++menu "Logging Options"
++depends on GRKERNSEC
++
++config GRKERNSEC_FLOODTIME
++ int "Seconds in between log messages (minimum)"
++ default 10
++ help
++ This option allows you to enforce the number of seconds between
++ grsecurity log messages. The default should be suitable for most
++ people, however, if you choose to change it, choose a value small enough
++ to allow informative logs to be produced, but large enough to
++ prevent flooding.
++
++config GRKERNSEC_FLOODBURST
++ int "Number of messages in a burst (maximum)"
++ default 6
++ help
++ This option allows you to choose the maximum number of messages allowed
++ within the flood time interval you chose in a separate option. The
++ default should be suitable for most people, however if you find that
++ many of your logs are being interpreted as flooding, you may want to
++ raise this value.
++
++endmenu
+diff --git a/grsecurity/Makefile b/grsecurity/Makefile
+new file mode 100644
+index 0000000..1b9afa9
+--- /dev/null
++++ b/grsecurity/Makefile
+@@ -0,0 +1,38 @@
++# grsecurity's ACL system was originally written in 2001 by Michael Dalton
++# during 2001-2009 it has been completely redesigned by Brad Spengler
++# into an RBAC system
++#
++# All code in this directory and various hooks inserted throughout the kernel
++# are copyright Brad Spengler - Open Source Security, Inc., and released
++# under the GPL v2 or higher
++
++KBUILD_CFLAGS += -Werror
++
++obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \
++ grsec_mount.o grsec_sig.o grsec_sysctl.o \
++ grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o
++
++obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \
++ gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \
++ gracl_learn.o grsec_log.o
++obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o
++
++ifdef CONFIG_NET
++obj-y += grsec_sock.o
++obj-$(CONFIG_GRKERNSEC) += gracl_ip.o
++endif
++
++ifndef CONFIG_GRKERNSEC
++obj-y += grsec_disabled.o
++endif
++
++ifdef CONFIG_GRKERNSEC_HIDESYM
++extra-y := grsec_hidesym.o
++$(obj)/grsec_hidesym.o:
++ @-chmod -f 500 /boot
++ @-chmod -f 500 /lib/modules
++ @-chmod -f 500 /lib64/modules
++ @-chmod -f 500 /lib32/modules
++ @-chmod -f 700 .
++ @echo ' grsec: protected kernel image paths'
++endif
+diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c
+new file mode 100644
+index 0000000..3d58260
+--- /dev/null
++++ b/grsecurity/gracl.c
+@@ -0,0 +1,4029 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/sched.h>
++#include <linux/mm.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/namei.h>
++#include <linux/mount.h>
++#include <linux/tty.h>
++#include <linux/proc_fs.h>
++#include <linux/lglock.h>
++#include <linux/slab.h>
++#include <linux/vmalloc.h>
++#include <linux/types.h>
++#include <linux/sysctl.h>
++#include <linux/netdevice.h>
++#include <linux/ptrace.h>
++#include <linux/gracl.h>
++#include <linux/gralloc.h>
++#include <linux/security.h>
++#include <linux/grinternal.h>
++#include <linux/pid_namespace.h>
++#include <linux/stop_machine.h>
++#include <linux/fdtable.h>
++#include <linux/percpu.h>
++#include <linux/lglock.h>
++#include "../fs/mount.h"
++
++#include <asm/uaccess.h>
++#include <asm/errno.h>
++#include <asm/mman.h>
++
++extern struct lglock vfsmount_lock;
++
++static struct acl_role_db acl_role_set;
++static struct name_db name_set;
++static struct inodev_db inodev_set;
++
++/* for keeping track of userspace pointers used for subjects, so we
++ can share references in the kernel as well
++*/
++
++static struct path real_root;
++
++static struct acl_subj_map_db subj_map_set;
++
++static struct acl_role_label *default_role;
++
++static struct acl_role_label *role_list;
++
++static u16 acl_sp_role_value;
++
++extern char *gr_shared_page[4];
++static DEFINE_MUTEX(gr_dev_mutex);
++DEFINE_RWLOCK(gr_inode_lock);
++
++struct gr_arg *gr_usermode;
++
++static unsigned int gr_status __read_only = GR_STATUS_INIT;
++
++extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum);
++extern void gr_clear_learn_entries(void);
++
++#ifdef CONFIG_GRKERNSEC_RESLOG
++extern void gr_log_resource(const struct task_struct *task,
++ const int res, const unsigned long wanted, const int gt);
++#endif
++
++unsigned char *gr_system_salt;
++unsigned char *gr_system_sum;
++
++static struct sprole_pw **acl_special_roles = NULL;
++static __u16 num_sprole_pws = 0;
++
++static struct acl_role_label *kernel_role = NULL;
++
++static unsigned int gr_auth_attempts = 0;
++static unsigned long gr_auth_expires = 0UL;
++
++#ifdef CONFIG_NET
++extern struct vfsmount *sock_mnt;
++#endif
++
++extern struct vfsmount *pipe_mnt;
++extern struct vfsmount *shm_mnt;
++#ifdef CONFIG_HUGETLBFS
++extern struct vfsmount *hugetlbfs_vfsmount;
++#endif
++
++static struct acl_object_label *fakefs_obj_rw;
++static struct acl_object_label *fakefs_obj_rwx;
++
++extern int gr_init_uidset(void);
++extern void gr_free_uidset(void);
++extern void gr_remove_uid(uid_t uid);
++extern int gr_find_uid(uid_t uid);
++
++__inline__ int
++gr_acl_is_enabled(void)
++{
++ return (gr_status & GR_READY);
++}
++
++#ifdef CONFIG_BTRFS_FS
++extern dev_t get_btrfs_dev_from_inode(struct inode *inode);
++extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
++#endif
++
++static inline dev_t __get_dev(const struct dentry *dentry)
++{
++#ifdef CONFIG_BTRFS_FS
++ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr)
++ return get_btrfs_dev_from_inode(dentry->d_inode);
++ else
++#endif
++ return dentry->d_inode->i_sb->s_dev;
++}
++
++dev_t gr_get_dev_from_dentry(struct dentry *dentry)
++{
++ return __get_dev(dentry);
++}
++
++static char gr_task_roletype_to_char(struct task_struct *task)
++{
++ switch (task->role->roletype &
++ (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP |
++ GR_ROLE_SPECIAL)) {
++ case GR_ROLE_DEFAULT:
++ return 'D';
++ case GR_ROLE_USER:
++ return 'U';
++ case GR_ROLE_GROUP:
++ return 'G';
++ case GR_ROLE_SPECIAL:
++ return 'S';
++ }
++
++ return 'X';
++}
++
++char gr_roletype_to_char(void)
++{
++ return gr_task_roletype_to_char(current);
++}
++
++__inline__ int
++gr_acl_tpe_check(void)
++{
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++ if (current->role->roletype & GR_ROLE_TPE)
++ return 1;
++ else
++ return 0;
++}
++
++int
++gr_handle_rawio(const struct inode *inode)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ if (inode && S_ISBLK(inode->i_mode) &&
++ grsec_enable_chroot_caps && proc_is_chrooted(current) &&
++ !capable(CAP_SYS_RAWIO))
++ return 1;
++#endif
++ return 0;
++}
++
++static int
++gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb)
++{
++ if (likely(lena != lenb))
++ return 0;
++
++ return !memcmp(a, b, lena);
++}
++
++static int prepend(char **buffer, int *buflen, const char *str, int namelen)
++{
++ *buflen -= namelen;
++ if (*buflen < 0)
++ return -ENAMETOOLONG;
++ *buffer -= namelen;
++ memcpy(*buffer, str, namelen);
++ return 0;
++}
++
++static int prepend_name(char **buffer, int *buflen, struct qstr *name)
++{
++ return prepend(buffer, buflen, name->name, name->len);
++}
++
++static int prepend_path(const struct path *path, struct path *root,
++ char **buffer, int *buflen)
++{
++ struct dentry *dentry = path->dentry;
++ struct vfsmount *vfsmnt = path->mnt;
++ struct mount *mnt = real_mount(vfsmnt);
++ bool slash = false;
++ int error = 0;
++
++ while (dentry != root->dentry || vfsmnt != root->mnt) {
++ struct dentry * parent;
++
++ if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) {
++ /* Global root? */
++ if (!mnt_has_parent(mnt)) {
++ goto out;
++ }
++ dentry = mnt->mnt_mountpoint;
++ mnt = mnt->mnt_parent;
++ vfsmnt = &mnt->mnt;
++ continue;
++ }
++ parent = dentry->d_parent;
++ prefetch(parent);
++ spin_lock(&dentry->d_lock);
++ error = prepend_name(buffer, buflen, &dentry->d_name);
++ spin_unlock(&dentry->d_lock);
++ if (!error)
++ error = prepend(buffer, buflen, "/", 1);
++ if (error)
++ break;
++
++ slash = true;
++ dentry = parent;
++ }
++
++out:
++ if (!error && !slash)
++ error = prepend(buffer, buflen, "/", 1);
++
++ return error;
++}
++
++/* this must be called with vfsmount_lock and rename_lock held */
++
++static char *__our_d_path(const struct path *path, struct path *root,
++ char *buf, int buflen)
++{
++ char *res = buf + buflen;
++ int error;
++
++ prepend(&res, &buflen, "\0", 1);
++ error = prepend_path(path, root, &res, &buflen);
++ if (error)
++ return ERR_PTR(error);
++
++ return res;
++}
++
++static char *
++gen_full_path(struct path *path, struct path *root, char *buf, int buflen)
++{
++ char *retval;
++
++ retval = __our_d_path(path, root, buf, buflen);
++ if (unlikely(IS_ERR(retval)))
++ retval = strcpy(buf, "<path too long>");
++ else if (unlikely(retval[1] == '/' && retval[2] == '\0'))
++ retval[1] = '\0';
++
++ return retval;
++}
++
++static char *
++__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
++ char *buf, int buflen)
++{
++ struct path path;
++ char *res;
++
++ path.dentry = (struct dentry *)dentry;
++ path.mnt = (struct vfsmount *)vfsmnt;
++
++ /* we can use real_root.dentry, real_root.mnt, because this is only called
++ by the RBAC system */
++ res = gen_full_path(&path, &real_root, buf, buflen);
++
++ return res;
++}
++
++static char *
++d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
++ char *buf, int buflen)
++{
++ char *res;
++ struct path path;
++ struct path root;
++ struct task_struct *reaper = init_pid_ns.child_reaper;
++
++ path.dentry = (struct dentry *)dentry;
++ path.mnt = (struct vfsmount *)vfsmnt;
++
++ /* we can't use real_root.dentry, real_root.mnt, because they belong only to the RBAC system */
++ get_fs_root(reaper->fs, &root);
++
++ write_seqlock(&rename_lock);
++ br_read_lock(&vfsmount_lock);
++ res = gen_full_path(&path, &root, buf, buflen);
++ br_read_unlock(&vfsmount_lock);
++ write_sequnlock(&rename_lock);
++
++ path_put(&root);
++ return res;
++}
++
++static char *
++gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ char *ret;
++ write_seqlock(&rename_lock);
++ br_read_lock(&vfsmount_lock);
++ ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
++ PAGE_SIZE);
++ br_read_unlock(&vfsmount_lock);
++ write_sequnlock(&rename_lock);
++ return ret;
++}
++
++static char *
++gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ char *ret;
++ char *buf;
++ int buflen;
++
++ write_seqlock(&rename_lock);
++ br_read_lock(&vfsmount_lock);
++ buf = per_cpu_ptr(gr_shared_page[0], smp_processor_id());
++ ret = __d_real_path(dentry, mnt, buf, PAGE_SIZE - 6);
++ buflen = (int)(ret - buf);
++ if (buflen >= 5)
++ prepend(&ret, &buflen, "/proc", 5);
++ else
++ ret = strcpy(buf, "<path too long>");
++ br_read_unlock(&vfsmount_lock);
++ write_sequnlock(&rename_lock);
++ return ret;
++}
++
++char *
++gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
++ PAGE_SIZE);
++}
++
++char *
++gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
++ PAGE_SIZE);
++}
++
++char *
++gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()),
++ PAGE_SIZE);
++}
++
++char *
++gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()),
++ PAGE_SIZE);
++}
++
++char *
++gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()),
++ PAGE_SIZE);
++}
++
++__inline__ __u32
++to_gr_audit(const __u32 reqmode)
++{
++ /* masks off auditable permission flags, then shifts them to create
++ auditing flags, and adds the special case of append auditing if
++ we're requesting write */
++ return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0));
++}
++
++struct acl_subject_label *
++lookup_subject_map(const struct acl_subject_label *userp)
++{
++ unsigned int index = shash(userp, subj_map_set.s_size);
++ struct subject_map *match;
++
++ match = subj_map_set.s_hash[index];
++
++ while (match && match->user != userp)
++ match = match->next;
++
++ if (match != NULL)
++ return match->kernel;
++ else
++ return NULL;
++}
++
++static void
++insert_subj_map_entry(struct subject_map *subjmap)
++{
++ unsigned int index = shash(subjmap->user, subj_map_set.s_size);
++ struct subject_map **curr;
++
++ subjmap->prev = NULL;
++
++ curr = &subj_map_set.s_hash[index];
++ if (*curr != NULL)
++ (*curr)->prev = subjmap;
++
++ subjmap->next = *curr;
++ *curr = subjmap;
++
++ return;
++}
++
++static struct acl_role_label *
++lookup_acl_role_label(const struct task_struct *task, const uid_t uid,
++ const gid_t gid)
++{
++ unsigned int index = rhash(uid, GR_ROLE_USER, acl_role_set.r_size);
++ struct acl_role_label *match;
++ struct role_allowed_ip *ipp;
++ unsigned int x;
++ u32 curr_ip = task->signal->curr_ip;
++
++ task->signal->saved_ip = curr_ip;
++
++ match = acl_role_set.r_hash[index];
++
++ while (match) {
++ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) {
++ for (x = 0; x < match->domain_child_num; x++) {
++ if (match->domain_children[x] == uid)
++ goto found;
++ }
++ } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER)
++ break;
++ match = match->next;
++ }
++found:
++ if (match == NULL) {
++ try_group:
++ index = rhash(gid, GR_ROLE_GROUP, acl_role_set.r_size);
++ match = acl_role_set.r_hash[index];
++
++ while (match) {
++ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) {
++ for (x = 0; x < match->domain_child_num; x++) {
++ if (match->domain_children[x] == gid)
++ goto found2;
++ }
++ } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP)
++ break;
++ match = match->next;
++ }
++found2:
++ if (match == NULL)
++ match = default_role;
++ if (match->allowed_ips == NULL)
++ return match;
++ else {
++ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
++ if (likely
++ ((ntohl(curr_ip) & ipp->netmask) ==
++ (ntohl(ipp->addr) & ipp->netmask)))
++ return match;
++ }
++ match = default_role;
++ }
++ } else if (match->allowed_ips == NULL) {
++ return match;
++ } else {
++ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
++ if (likely
++ ((ntohl(curr_ip) & ipp->netmask) ==
++ (ntohl(ipp->addr) & ipp->netmask)))
++ return match;
++ }
++ goto try_group;
++ }
++
++ return match;
++}
++
++struct acl_subject_label *
++lookup_acl_subj_label(const ino_t ino, const dev_t dev,
++ const struct acl_role_label *role)
++{
++ unsigned int index = fhash(ino, dev, role->subj_hash_size);
++ struct acl_subject_label *match;
++
++ match = role->subj_hash[index];
++
++ while (match && (match->inode != ino || match->device != dev ||
++ (match->mode & GR_DELETED))) {
++ match = match->next;
++ }
++
++ if (match && !(match->mode & GR_DELETED))
++ return match;
++ else
++ return NULL;
++}
++
++struct acl_subject_label *
++lookup_acl_subj_label_deleted(const ino_t ino, const dev_t dev,
++ const struct acl_role_label *role)
++{
++ unsigned int index = fhash(ino, dev, role->subj_hash_size);
++ struct acl_subject_label *match;
++
++ match = role->subj_hash[index];
++
++ while (match && (match->inode != ino || match->device != dev ||
++ !(match->mode & GR_DELETED))) {
++ match = match->next;
++ }
++
++ if (match && (match->mode & GR_DELETED))
++ return match;
++ else
++ return NULL;
++}
++
++static struct acl_object_label *
++lookup_acl_obj_label(const ino_t ino, const dev_t dev,
++ const struct acl_subject_label *subj)
++{
++ unsigned int index = fhash(ino, dev, subj->obj_hash_size);
++ struct acl_object_label *match;
++
++ match = subj->obj_hash[index];
++
++ while (match && (match->inode != ino || match->device != dev ||
++ (match->mode & GR_DELETED))) {
++ match = match->next;
++ }
++
++ if (match && !(match->mode & GR_DELETED))
++ return match;
++ else
++ return NULL;
++}
++
++static struct acl_object_label *
++lookup_acl_obj_label_create(const ino_t ino, const dev_t dev,
++ const struct acl_subject_label *subj)
++{
++ unsigned int index = fhash(ino, dev, subj->obj_hash_size);
++ struct acl_object_label *match;
++
++ match = subj->obj_hash[index];
++
++ while (match && (match->inode != ino || match->device != dev ||
++ !(match->mode & GR_DELETED))) {
++ match = match->next;
++ }
++
++ if (match && (match->mode & GR_DELETED))
++ return match;
++
++ match = subj->obj_hash[index];
++
++ while (match && (match->inode != ino || match->device != dev ||
++ (match->mode & GR_DELETED))) {
++ match = match->next;
++ }
++
++ if (match && !(match->mode & GR_DELETED))
++ return match;
++ else
++ return NULL;
++}
++
++static struct name_entry *
++lookup_name_entry(const char *name)
++{
++ unsigned int len = strlen(name);
++ unsigned int key = full_name_hash(name, len);
++ unsigned int index = key % name_set.n_size;
++ struct name_entry *match;
++
++ match = name_set.n_hash[index];
++
++ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len)))
++ match = match->next;
++
++ return match;
++}
++
++static struct name_entry *
++lookup_name_entry_create(const char *name)
++{
++ unsigned int len = strlen(name);
++ unsigned int key = full_name_hash(name, len);
++ unsigned int index = key % name_set.n_size;
++ struct name_entry *match;
++
++ match = name_set.n_hash[index];
++
++ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
++ !match->deleted))
++ match = match->next;
++
++ if (match && match->deleted)
++ return match;
++
++ match = name_set.n_hash[index];
++
++ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
++ match->deleted))
++ match = match->next;
++
++ if (match && !match->deleted)
++ return match;
++ else
++ return NULL;
++}
++
++static struct inodev_entry *
++lookup_inodev_entry(const ino_t ino, const dev_t dev)
++{
++ unsigned int index = fhash(ino, dev, inodev_set.i_size);
++ struct inodev_entry *match;
++
++ match = inodev_set.i_hash[index];
++
++ while (match && (match->nentry->inode != ino || match->nentry->device != dev))
++ match = match->next;
++
++ return match;
++}
++
++static void
++insert_inodev_entry(struct inodev_entry *entry)
++{
++ unsigned int index = fhash(entry->nentry->inode, entry->nentry->device,
++ inodev_set.i_size);
++ struct inodev_entry **curr;
++
++ entry->prev = NULL;
++
++ curr = &inodev_set.i_hash[index];
++ if (*curr != NULL)
++ (*curr)->prev = entry;
++
++ entry->next = *curr;
++ *curr = entry;
++
++ return;
++}
++
++static void
++__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid)
++{
++ unsigned int index =
++ rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), acl_role_set.r_size);
++ struct acl_role_label **curr;
++ struct acl_role_label *tmp, *tmp2;
++
++ curr = &acl_role_set.r_hash[index];
++
++ /* simple case, slot is empty, just set it to our role */
++ if (*curr == NULL) {
++ *curr = role;
++ } else {
++ /* example:
++ 1 -> 2 -> 3 (adding 2 -> 3 to here)
++ 2 -> 3
++ */
++ /* first check to see if we can already be reached via this slot */
++ tmp = *curr;
++ while (tmp && tmp != role)
++ tmp = tmp->next;
++ if (tmp == role) {
++ /* we don't need to add ourselves to this slot's chain */
++ return;
++ }
++ /* we need to add ourselves to this chain, two cases */
++ if (role->next == NULL) {
++ /* simple case, append the current chain to our role */
++ role->next = *curr;
++ *curr = role;
++ } else {
++ /* 1 -> 2 -> 3 -> 4
++ 2 -> 3 -> 4
++ 3 -> 4 (adding 1 -> 2 -> 3 -> 4 to here)
++ */
++ /* trickier case: walk our role's chain until we find
++ the role for the start of the current slot's chain */
++ tmp = role;
++ tmp2 = *curr;
++ while (tmp->next && tmp->next != tmp2)
++ tmp = tmp->next;
++ if (tmp->next == tmp2) {
++ /* from example above, we found 3, so just
++ replace this slot's chain with ours */
++ *curr = role;
++ } else {
++ /* we didn't find a subset of our role's chain
++ in the current slot's chain, so append their
++ chain to ours, and set us as the first role in
++ the slot's chain
++
++ we could fold this case with the case above,
++ but making it explicit for clarity
++ */
++ tmp->next = tmp2;
++ *curr = role;
++ }
++ }
++ }
++
++ return;
++}
++
++static void
++insert_acl_role_label(struct acl_role_label *role)
++{
++ int i;
++
++ if (role_list == NULL) {
++ role_list = role;
++ role->prev = NULL;
++ } else {
++ role->prev = role_list;
++ role_list = role;
++ }
++
++ /* used for hash chains */
++ role->next = NULL;
++
++ if (role->roletype & GR_ROLE_DOMAIN) {
++ for (i = 0; i < role->domain_child_num; i++)
++ __insert_acl_role_label(role, role->domain_children[i]);
++ } else
++ __insert_acl_role_label(role, role->uidgid);
++}
++
++static int
++insert_name_entry(char *name, const ino_t inode, const dev_t device, __u8 deleted)
++{
++ struct name_entry **curr, *nentry;
++ struct inodev_entry *ientry;
++ unsigned int len = strlen(name);
++ unsigned int key = full_name_hash(name, len);
++ unsigned int index = key % name_set.n_size;
++
++ curr = &name_set.n_hash[index];
++
++ while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len)))
++ curr = &((*curr)->next);
++
++ if (*curr != NULL)
++ return 1;
++
++ nentry = acl_alloc(sizeof (struct name_entry));
++ if (nentry == NULL)
++ return 0;
++ ientry = acl_alloc(sizeof (struct inodev_entry));
++ if (ientry == NULL)
++ return 0;
++ ientry->nentry = nentry;
++
++ nentry->key = key;
++ nentry->name = name;
++ nentry->inode = inode;
++ nentry->device = device;
++ nentry->len = len;
++ nentry->deleted = deleted;
++
++ nentry->prev = NULL;
++ curr = &name_set.n_hash[index];
++ if (*curr != NULL)
++ (*curr)->prev = nentry;
++ nentry->next = *curr;
++ *curr = nentry;
++
++ /* insert us into the table searchable by inode/dev */
++ insert_inodev_entry(ientry);
++
++ return 1;
++}
++
++static void
++insert_acl_obj_label(struct acl_object_label *obj,
++ struct acl_subject_label *subj)
++{
++ unsigned int index =
++ fhash(obj->inode, obj->device, subj->obj_hash_size);
++ struct acl_object_label **curr;
++
++
++ obj->prev = NULL;
++
++ curr = &subj->obj_hash[index];
++ if (*curr != NULL)
++ (*curr)->prev = obj;
++
++ obj->next = *curr;
++ *curr = obj;
++
++ return;
++}
++
++static void
++insert_acl_subj_label(struct acl_subject_label *obj,
++ struct acl_role_label *role)
++{
++ unsigned int index = fhash(obj->inode, obj->device, role->subj_hash_size);
++ struct acl_subject_label **curr;
++
++ obj->prev = NULL;
++
++ curr = &role->subj_hash[index];
++ if (*curr != NULL)
++ (*curr)->prev = obj;
++
++ obj->next = *curr;
++ *curr = obj;
++
++ return;
++}
++
++/* allocating chained hash tables, so optimal size is where lambda ~ 1 */
++
++static void *
++create_table(__u32 * len, int elementsize)
++{
++ unsigned int table_sizes[] = {
++ 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381,
++ 32749, 65521, 131071, 262139, 524287, 1048573, 2097143,
++ 4194301, 8388593, 16777213, 33554393, 67108859
++ };
++ void *newtable = NULL;
++ unsigned int pwr = 0;
++
++ while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) &&
++ table_sizes[pwr] <= *len)
++ pwr++;
++
++ if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize))
++ return newtable;
++
++ if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE)
++ newtable =
++ kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL);
++ else
++ newtable = vmalloc(table_sizes[pwr] * elementsize);
++
++ *len = table_sizes[pwr];
++
++ return newtable;
++}
++
++static int
++init_variables(const struct gr_arg *arg)
++{
++ struct task_struct *reaper = init_pid_ns.child_reaper;
++ unsigned int stacksize;
++
++ subj_map_set.s_size = arg->role_db.num_subjects;
++ acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children;
++ name_set.n_size = arg->role_db.num_objects;
++ inodev_set.i_size = arg->role_db.num_objects;
++
++ if (!subj_map_set.s_size || !acl_role_set.r_size ||
++ !name_set.n_size || !inodev_set.i_size)
++ return 1;
++
++ if (!gr_init_uidset())
++ return 1;
++
++ /* set up the stack that holds allocation info */
++
++ stacksize = arg->role_db.num_pointers + 5;
++
++ if (!acl_alloc_stack_init(stacksize))
++ return 1;
++
++ /* grab reference for the real root dentry and vfsmount */
++ get_fs_root(reaper->fs, &real_root);
++
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", __get_dev(real_root.dentry), real_root.dentry->d_inode->i_ino);
++#endif
++
++ fakefs_obj_rw = acl_alloc(sizeof(struct acl_object_label));
++ if (fakefs_obj_rw == NULL)
++ return 1;
++ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE;
++
++ fakefs_obj_rwx = acl_alloc(sizeof(struct acl_object_label));
++ if (fakefs_obj_rwx == NULL)
++ return 1;
++ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC;
++
++ subj_map_set.s_hash =
++ (struct subject_map **) create_table(&subj_map_set.s_size, sizeof(void *));
++ acl_role_set.r_hash =
++ (struct acl_role_label **) create_table(&acl_role_set.r_size, sizeof(void *));
++ name_set.n_hash = (struct name_entry **) create_table(&name_set.n_size, sizeof(void *));
++ inodev_set.i_hash =
++ (struct inodev_entry **) create_table(&inodev_set.i_size, sizeof(void *));
++
++ if (!subj_map_set.s_hash || !acl_role_set.r_hash ||
++ !name_set.n_hash || !inodev_set.i_hash)
++ return 1;
++
++ memset(subj_map_set.s_hash, 0,
++ sizeof(struct subject_map *) * subj_map_set.s_size);
++ memset(acl_role_set.r_hash, 0,
++ sizeof (struct acl_role_label *) * acl_role_set.r_size);
++ memset(name_set.n_hash, 0,
++ sizeof (struct name_entry *) * name_set.n_size);
++ memset(inodev_set.i_hash, 0,
++ sizeof (struct inodev_entry *) * inodev_set.i_size);
++
++ return 0;
++}
++
++/* free information not needed after startup
++ currently contains user->kernel pointer mappings for subjects
++*/
++
++static void
++free_init_variables(void)
++{
++ __u32 i;
++
++ if (subj_map_set.s_hash) {
++ for (i = 0; i < subj_map_set.s_size; i++) {
++ if (subj_map_set.s_hash[i]) {
++ kfree(subj_map_set.s_hash[i]);
++ subj_map_set.s_hash[i] = NULL;
++ }
++ }
++
++ if ((subj_map_set.s_size * sizeof (struct subject_map *)) <=
++ PAGE_SIZE)
++ kfree(subj_map_set.s_hash);
++ else
++ vfree(subj_map_set.s_hash);
++ }
++
++ return;
++}
++
++static void
++free_variables(void)
++{
++ struct acl_subject_label *s;
++ struct acl_role_label *r;
++ struct task_struct *task, *task2;
++ unsigned int x;
++
++ gr_clear_learn_entries();
++
++ read_lock(&tasklist_lock);
++ do_each_thread(task2, task) {
++ task->acl_sp_role = 0;
++ task->acl_role_id = 0;
++ task->acl = NULL;
++ task->role = NULL;
++ } while_each_thread(task2, task);
++ read_unlock(&tasklist_lock);
++
++ /* release the reference to the real root dentry and vfsmount */
++ path_put(&real_root);
++ memset(&real_root, 0, sizeof(real_root));
++
++ /* free all object hash tables */
++
++ FOR_EACH_ROLE_START(r)
++ if (r->subj_hash == NULL)
++ goto next_role;
++ FOR_EACH_SUBJECT_START(r, s, x)
++ if (s->obj_hash == NULL)
++ break;
++ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
++ kfree(s->obj_hash);
++ else
++ vfree(s->obj_hash);
++ FOR_EACH_SUBJECT_END(s, x)
++ FOR_EACH_NESTED_SUBJECT_START(r, s)
++ if (s->obj_hash == NULL)
++ break;
++ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
++ kfree(s->obj_hash);
++ else
++ vfree(s->obj_hash);
++ FOR_EACH_NESTED_SUBJECT_END(s)
++ if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE)
++ kfree(r->subj_hash);
++ else
++ vfree(r->subj_hash);
++ r->subj_hash = NULL;
++next_role:
++ FOR_EACH_ROLE_END(r)
++
++ acl_free_all();
++
++ if (acl_role_set.r_hash) {
++ if ((acl_role_set.r_size * sizeof (struct acl_role_label *)) <=
++ PAGE_SIZE)
++ kfree(acl_role_set.r_hash);
++ else
++ vfree(acl_role_set.r_hash);
++ }
++ if (name_set.n_hash) {
++ if ((name_set.n_size * sizeof (struct name_entry *)) <=
++ PAGE_SIZE)
++ kfree(name_set.n_hash);
++ else
++ vfree(name_set.n_hash);
++ }
++
++ if (inodev_set.i_hash) {
++ if ((inodev_set.i_size * sizeof (struct inodev_entry *)) <=
++ PAGE_SIZE)
++ kfree(inodev_set.i_hash);
++ else
++ vfree(inodev_set.i_hash);
++ }
++
++ gr_free_uidset();
++
++ memset(&name_set, 0, sizeof (struct name_db));
++ memset(&inodev_set, 0, sizeof (struct inodev_db));
++ memset(&acl_role_set, 0, sizeof (struct acl_role_db));
++ memset(&subj_map_set, 0, sizeof (struct acl_subj_map_db));
++
++ default_role = NULL;
++ kernel_role = NULL;
++ role_list = NULL;
++
++ return;
++}
++
++static __u32
++count_user_objs(struct acl_object_label *userp)
++{
++ struct acl_object_label o_tmp;
++ __u32 num = 0;
++
++ while (userp) {
++ if (copy_from_user(&o_tmp, userp,
++ sizeof (struct acl_object_label)))
++ break;
++
++ userp = o_tmp.prev;
++ num++;
++ }
++
++ return num;
++}
++
++static struct acl_subject_label *
++do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role);
++
++static int
++copy_user_glob(struct acl_object_label *obj)
++{
++ struct acl_object_label *g_tmp, **guser;
++ unsigned int len;
++ char *tmp;
++
++ if (obj->globbed == NULL)
++ return 0;
++
++ guser = &obj->globbed;
++ while (*guser) {
++ g_tmp = (struct acl_object_label *)
++ acl_alloc(sizeof (struct acl_object_label));
++ if (g_tmp == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(g_tmp, *guser,
++ sizeof (struct acl_object_label)))
++ return -EFAULT;
++
++ len = strnlen_user(g_tmp->filename, PATH_MAX);
++
++ if (!len || len >= PATH_MAX)
++ return -EINVAL;
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(tmp, g_tmp->filename, len))
++ return -EFAULT;
++ tmp[len-1] = '\0';
++ g_tmp->filename = tmp;
++
++ *guser = g_tmp;
++ guser = &(g_tmp->next);
++ }
++
++ return 0;
++}
++
++static int
++copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj,
++ struct acl_role_label *role)
++{
++ struct acl_object_label *o_tmp;
++ unsigned int len;
++ int ret;
++ char *tmp;
++
++ while (userp) {
++ if ((o_tmp = (struct acl_object_label *)
++ acl_alloc(sizeof (struct acl_object_label))) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(o_tmp, userp,
++ sizeof (struct acl_object_label)))
++ return -EFAULT;
++
++ userp = o_tmp->prev;
++
++ len = strnlen_user(o_tmp->filename, PATH_MAX);
++
++ if (!len || len >= PATH_MAX)
++ return -EINVAL;
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(tmp, o_tmp->filename, len))
++ return -EFAULT;
++ tmp[len-1] = '\0';
++ o_tmp->filename = tmp;
++
++ insert_acl_obj_label(o_tmp, subj);
++ if (!insert_name_entry(o_tmp->filename, o_tmp->inode,
++ o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0))
++ return -ENOMEM;
++
++ ret = copy_user_glob(o_tmp);
++ if (ret)
++ return ret;
++
++ if (o_tmp->nested) {
++ o_tmp->nested = do_copy_user_subj(o_tmp->nested, role);
++ if (IS_ERR(o_tmp->nested))
++ return PTR_ERR(o_tmp->nested);
++
++ /* insert into nested subject list */
++ o_tmp->nested->next = role->hash->first;
++ role->hash->first = o_tmp->nested;
++ }
++ }
++
++ return 0;
++}
++
++static __u32
++count_user_subjs(struct acl_subject_label *userp)
++{
++ struct acl_subject_label s_tmp;
++ __u32 num = 0;
++
++ while (userp) {
++ if (copy_from_user(&s_tmp, userp,
++ sizeof (struct acl_subject_label)))
++ break;
++
++ userp = s_tmp.prev;
++ /* do not count nested subjects against this count, since
++ they are not included in the hash table, but are
++ attached to objects. We have already counted
++ the subjects in userspace for the allocation
++ stack
++ */
++ if (!(s_tmp.mode & GR_NESTED))
++ num++;
++ }
++
++ return num;
++}
++
++static int
++copy_user_allowedips(struct acl_role_label *rolep)
++{
++ struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast;
++
++ ruserip = rolep->allowed_ips;
++
++ while (ruserip) {
++ rlast = rtmp;
++
++ if ((rtmp = (struct role_allowed_ip *)
++ acl_alloc(sizeof (struct role_allowed_ip))) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(rtmp, ruserip,
++ sizeof (struct role_allowed_ip)))
++ return -EFAULT;
++
++ ruserip = rtmp->prev;
++
++ if (!rlast) {
++ rtmp->prev = NULL;
++ rolep->allowed_ips = rtmp;
++ } else {
++ rlast->next = rtmp;
++ rtmp->prev = rlast;
++ }
++
++ if (!ruserip)
++ rtmp->next = NULL;
++ }
++
++ return 0;
++}
++
++static int
++copy_user_transitions(struct acl_role_label *rolep)
++{
++ struct role_transition *rusertp, *rtmp = NULL, *rlast;
++
++ unsigned int len;
++ char *tmp;
++
++ rusertp = rolep->transitions;
++
++ while (rusertp) {
++ rlast = rtmp;
++
++ if ((rtmp = (struct role_transition *)
++ acl_alloc(sizeof (struct role_transition))) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(rtmp, rusertp,
++ sizeof (struct role_transition)))
++ return -EFAULT;
++
++ rusertp = rtmp->prev;
++
++ len = strnlen_user(rtmp->rolename, GR_SPROLE_LEN);
++
++ if (!len || len >= GR_SPROLE_LEN)
++ return -EINVAL;
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(tmp, rtmp->rolename, len))
++ return -EFAULT;
++ tmp[len-1] = '\0';
++ rtmp->rolename = tmp;
++
++ if (!rlast) {
++ rtmp->prev = NULL;
++ rolep->transitions = rtmp;
++ } else {
++ rlast->next = rtmp;
++ rtmp->prev = rlast;
++ }
++
++ if (!rusertp)
++ rtmp->next = NULL;
++ }
++
++ return 0;
++}
++
++static struct acl_subject_label *
++do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role)
++{
++ struct acl_subject_label *s_tmp = NULL, *s_tmp2;
++ unsigned int len;
++ char *tmp;
++ __u32 num_objs;
++ struct acl_ip_label **i_tmp, *i_utmp2;
++ struct gr_hash_struct ghash;
++ struct subject_map *subjmap;
++ unsigned int i_num;
++ int err;
++
++ s_tmp = lookup_subject_map(userp);
++
++ /* we've already copied this subject into the kernel, just return
++ the reference to it, and don't copy it over again
++ */
++ if (s_tmp)
++ return(s_tmp);
++
++ if ((s_tmp = (struct acl_subject_label *)
++ acl_alloc(sizeof (struct acl_subject_label))) == NULL)
++ return ERR_PTR(-ENOMEM);
++
++ subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL);
++ if (subjmap == NULL)
++ return ERR_PTR(-ENOMEM);
++
++ subjmap->user = userp;
++ subjmap->kernel = s_tmp;
++ insert_subj_map_entry(subjmap);
++
++ if (copy_from_user(s_tmp, userp,
++ sizeof (struct acl_subject_label)))
++ return ERR_PTR(-EFAULT);
++
++ len = strnlen_user(s_tmp->filename, PATH_MAX);
++
++ if (!len || len >= PATH_MAX)
++ return ERR_PTR(-EINVAL);
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return ERR_PTR(-ENOMEM);
++
++ if (copy_from_user(tmp, s_tmp->filename, len))
++ return ERR_PTR(-EFAULT);
++ tmp[len-1] = '\0';
++ s_tmp->filename = tmp;
++
++ if (!strcmp(s_tmp->filename, "/"))
++ role->root_label = s_tmp;
++
++ if (copy_from_user(&ghash, s_tmp->hash, sizeof(struct gr_hash_struct)))
++ return ERR_PTR(-EFAULT);
++
++ /* copy user and group transition tables */
++
++ if (s_tmp->user_trans_num) {
++ uid_t *uidlist;
++
++ uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t));
++ if (uidlist == NULL)
++ return ERR_PTR(-ENOMEM);
++ if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t)))
++ return ERR_PTR(-EFAULT);
++
++ s_tmp->user_transitions = uidlist;
++ }
++
++ if (s_tmp->group_trans_num) {
++ gid_t *gidlist;
++
++ gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t));
++ if (gidlist == NULL)
++ return ERR_PTR(-ENOMEM);
++ if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t)))
++ return ERR_PTR(-EFAULT);
++
++ s_tmp->group_transitions = gidlist;
++ }
++
++ /* set up object hash table */
++ num_objs = count_user_objs(ghash.first);
++
++ s_tmp->obj_hash_size = num_objs;
++ s_tmp->obj_hash =
++ (struct acl_object_label **)
++ create_table(&(s_tmp->obj_hash_size), sizeof(void *));
++
++ if (!s_tmp->obj_hash)
++ return ERR_PTR(-ENOMEM);
++
++ memset(s_tmp->obj_hash, 0,
++ s_tmp->obj_hash_size *
++ sizeof (struct acl_object_label *));
++
++ /* add in objects */
++ err = copy_user_objs(ghash.first, s_tmp, role);
++
++ if (err)
++ return ERR_PTR(err);
++
++ /* set pointer for parent subject */
++ if (s_tmp->parent_subject) {
++ s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role);
++
++ if (IS_ERR(s_tmp2))
++ return s_tmp2;
++
++ s_tmp->parent_subject = s_tmp2;
++ }
++
++ /* add in ip acls */
++
++ if (!s_tmp->ip_num) {
++ s_tmp->ips = NULL;
++ goto insert;
++ }
++
++ i_tmp =
++ (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num,
++ sizeof (struct acl_ip_label *));
++
++ if (!i_tmp)
++ return ERR_PTR(-ENOMEM);
++
++ for (i_num = 0; i_num < s_tmp->ip_num; i_num++) {
++ *(i_tmp + i_num) =
++ (struct acl_ip_label *)
++ acl_alloc(sizeof (struct acl_ip_label));
++ if (!*(i_tmp + i_num))
++ return ERR_PTR(-ENOMEM);
++
++ if (copy_from_user
++ (&i_utmp2, s_tmp->ips + i_num,
++ sizeof (struct acl_ip_label *)))
++ return ERR_PTR(-EFAULT);
++
++ if (copy_from_user
++ (*(i_tmp + i_num), i_utmp2,
++ sizeof (struct acl_ip_label)))
++ return ERR_PTR(-EFAULT);
++
++ if ((*(i_tmp + i_num))->iface == NULL)
++ continue;
++
++ len = strnlen_user((*(i_tmp + i_num))->iface, IFNAMSIZ);
++ if (!len || len >= IFNAMSIZ)
++ return ERR_PTR(-EINVAL);
++ tmp = acl_alloc(len);
++ if (tmp == NULL)
++ return ERR_PTR(-ENOMEM);
++ if (copy_from_user(tmp, (*(i_tmp + i_num))->iface, len))
++ return ERR_PTR(-EFAULT);
++ (*(i_tmp + i_num))->iface = tmp;
++ }
++
++ s_tmp->ips = i_tmp;
++
++insert:
++ if (!insert_name_entry(s_tmp->filename, s_tmp->inode,
++ s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0))
++ return ERR_PTR(-ENOMEM);
++
++ return s_tmp;
++}
++
++static int
++copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role)
++{
++ struct acl_subject_label s_pre;
++ struct acl_subject_label * ret;
++ int err;
++
++ while (userp) {
++ if (copy_from_user(&s_pre, userp,
++ sizeof (struct acl_subject_label)))
++ return -EFAULT;
++
++ /* do not add nested subjects here, add
++ while parsing objects
++ */
++
++ if (s_pre.mode & GR_NESTED) {
++ userp = s_pre.prev;
++ continue;
++ }
++
++ ret = do_copy_user_subj(userp, role);
++
++ err = PTR_ERR(ret);
++ if (IS_ERR(ret))
++ return err;
++
++ insert_acl_subj_label(ret, role);
++
++ userp = s_pre.prev;
++ }
++
++ return 0;
++}
++
++static int
++copy_user_acl(struct gr_arg *arg)
++{
++ struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2;
++ struct acl_subject_label *subj_list;
++ struct sprole_pw *sptmp;
++ struct gr_hash_struct *ghash;
++ uid_t *domainlist;
++ unsigned int r_num;
++ unsigned int len;
++ char *tmp;
++ int err = 0;
++ __u16 i;
++ __u32 num_subjs;
++
++ /* we need a default and kernel role */
++ if (arg->role_db.num_roles < 2)
++ return -EINVAL;
++
++ /* copy special role authentication info from userspace */
++
++ num_sprole_pws = arg->num_sprole_pws;
++ acl_special_roles = (struct sprole_pw **) acl_alloc_num(num_sprole_pws, sizeof(struct sprole_pw *));
++
++ if (!acl_special_roles && num_sprole_pws)
++ return -ENOMEM;
++
++ for (i = 0; i < num_sprole_pws; i++) {
++ sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw));
++ if (!sptmp)
++ return -ENOMEM;
++ if (copy_from_user(sptmp, arg->sprole_pws + i,
++ sizeof (struct sprole_pw)))
++ return -EFAULT;
++
++ len = strnlen_user(sptmp->rolename, GR_SPROLE_LEN);
++
++ if (!len || len >= GR_SPROLE_LEN)
++ return -EINVAL;
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(tmp, sptmp->rolename, len))
++ return -EFAULT;
++
++ tmp[len-1] = '\0';
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "Copying special role %s\n", tmp);
++#endif
++ sptmp->rolename = tmp;
++ acl_special_roles[i] = sptmp;
++ }
++
++ r_utmp = (struct acl_role_label **) arg->role_db.r_table;
++
++ for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) {
++ r_tmp = acl_alloc(sizeof (struct acl_role_label));
++
++ if (!r_tmp)
++ return -ENOMEM;
++
++ if (copy_from_user(&r_utmp2, r_utmp + r_num,
++ sizeof (struct acl_role_label *)))
++ return -EFAULT;
++
++ if (copy_from_user(r_tmp, r_utmp2,
++ sizeof (struct acl_role_label)))
++ return -EFAULT;
++
++ len = strnlen_user(r_tmp->rolename, GR_SPROLE_LEN);
++
++ if (!len || len >= PATH_MAX)
++ return -EINVAL;
++
++ if ((tmp = (char *) acl_alloc(len)) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(tmp, r_tmp->rolename, len))
++ return -EFAULT;
++
++ tmp[len-1] = '\0';
++ r_tmp->rolename = tmp;
++
++ if (!strcmp(r_tmp->rolename, "default")
++ && (r_tmp->roletype & GR_ROLE_DEFAULT)) {
++ default_role = r_tmp;
++ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) {
++ kernel_role = r_tmp;
++ }
++
++ if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(ghash, r_tmp->hash, sizeof(struct gr_hash_struct)))
++ return -EFAULT;
++
++ r_tmp->hash = ghash;
++
++ num_subjs = count_user_subjs(r_tmp->hash->first);
++
++ r_tmp->subj_hash_size = num_subjs;
++ r_tmp->subj_hash =
++ (struct acl_subject_label **)
++ create_table(&(r_tmp->subj_hash_size), sizeof(void *));
++
++ if (!r_tmp->subj_hash)
++ return -ENOMEM;
++
++ err = copy_user_allowedips(r_tmp);
++ if (err)
++ return err;
++
++ /* copy domain info */
++ if (r_tmp->domain_children != NULL) {
++ domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t));
++ if (domainlist == NULL)
++ return -ENOMEM;
++
++ if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t)))
++ return -EFAULT;
++
++ r_tmp->domain_children = domainlist;
++ }
++
++ err = copy_user_transitions(r_tmp);
++ if (err)
++ return err;
++
++ memset(r_tmp->subj_hash, 0,
++ r_tmp->subj_hash_size *
++ sizeof (struct acl_subject_label *));
++
++ /* acquire the list of subjects, then NULL out
++ the list prior to parsing the subjects for this role,
++ as during this parsing the list is replaced with a list
++ of *nested* subjects for the role
++ */
++ subj_list = r_tmp->hash->first;
++
++ /* set nested subject list to null */
++ r_tmp->hash->first = NULL;
++
++ err = copy_user_subjs(subj_list, r_tmp);
++
++ if (err)
++ return err;
++
++ insert_acl_role_label(r_tmp);
++ }
++
++ if (default_role == NULL || kernel_role == NULL)
++ return -EINVAL;
++
++ return err;
++}
++
++static int
++gracl_init(struct gr_arg *args)
++{
++ int error = 0;
++
++ memcpy(gr_system_salt, args->salt, GR_SALT_LEN);
++ memcpy(gr_system_sum, args->sum, GR_SHA_LEN);
++
++ if (init_variables(args)) {
++ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION);
++ error = -ENOMEM;
++ free_variables();
++ goto out;
++ }
++
++ error = copy_user_acl(args);
++ free_init_variables();
++ if (error) {
++ free_variables();
++ goto out;
++ }
++
++ if ((error = gr_set_acls(0))) {
++ free_variables();
++ goto out;
++ }
++
++ pax_open_kernel();
++ gr_status |= GR_READY;
++ pax_close_kernel();
++
++ out:
++ return error;
++}
++
++/* derived from glibc fnmatch() 0: match, 1: no match*/
++
++static int
++glob_match(const char *p, const char *n)
++{
++ char c;
++
++ while ((c = *p++) != '\0') {
++ switch (c) {
++ case '?':
++ if (*n == '\0')
++ return 1;
++ else if (*n == '/')
++ return 1;
++ break;
++ case '\\':
++ if (*n != c)
++ return 1;
++ break;
++ case '*':
++ for (c = *p++; c == '?' || c == '*'; c = *p++) {
++ if (*n == '/')
++ return 1;
++ else if (c == '?') {
++ if (*n == '\0')
++ return 1;
++ else
++ ++n;
++ }
++ }
++ if (c == '\0') {
++ return 0;
++ } else {
++ const char *endp;
++
++ if ((endp = strchr(n, '/')) == NULL)
++ endp = n + strlen(n);
++
++ if (c == '[') {
++ for (--p; n < endp; ++n)
++ if (!glob_match(p, n))
++ return 0;
++ } else if (c == '/') {
++ while (*n != '\0' && *n != '/')
++ ++n;
++ if (*n == '/' && !glob_match(p, n + 1))
++ return 0;
++ } else {
++ for (--p; n < endp; ++n)
++ if (*n == c && !glob_match(p, n))
++ return 0;
++ }
++
++ return 1;
++ }
++ case '[':
++ {
++ int not;
++ char cold;
++
++ if (*n == '\0' || *n == '/')
++ return 1;
++
++ not = (*p == '!' || *p == '^');
++ if (not)
++ ++p;
++
++ c = *p++;
++ for (;;) {
++ unsigned char fn = (unsigned char)*n;
++
++ if (c == '\0')
++ return 1;
++ else {
++ if (c == fn)
++ goto matched;
++ cold = c;
++ c = *p++;
++
++ if (c == '-' && *p != ']') {
++ unsigned char cend = *p++;
++
++ if (cend == '\0')
++ return 1;
++
++ if (cold <= fn && fn <= cend)
++ goto matched;
++
++ c = *p++;
++ }
++ }
++
++ if (c == ']')
++ break;
++ }
++ if (!not)
++ return 1;
++ break;
++ matched:
++ while (c != ']') {
++ if (c == '\0')
++ return 1;
++
++ c = *p++;
++ }
++ if (not)
++ return 1;
++ }
++ break;
++ default:
++ if (c != *n)
++ return 1;
++ }
++
++ ++n;
++ }
++
++ if (*n == '\0')
++ return 0;
++
++ if (*n == '/')
++ return 0;
++
++ return 1;
++}
++
++static struct acl_object_label *
++chk_glob_label(struct acl_object_label *globbed,
++ const struct dentry *dentry, const struct vfsmount *mnt, char **path)
++{
++ struct acl_object_label *tmp;
++
++ if (*path == NULL)
++ *path = gr_to_filename_nolock(dentry, mnt);
++
++ tmp = globbed;
++
++ while (tmp) {
++ if (!glob_match(tmp->filename, *path))
++ return tmp;
++ tmp = tmp->next;
++ }
++
++ return NULL;
++}
++
++static struct acl_object_label *
++__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
++ const ino_t curr_ino, const dev_t curr_dev,
++ const struct acl_subject_label *subj, char **path, const int checkglob)
++{
++ struct acl_subject_label *tmpsubj;
++ struct acl_object_label *retval;
++ struct acl_object_label *retval2;
++
++ tmpsubj = (struct acl_subject_label *) subj;
++ read_lock(&gr_inode_lock);
++ do {
++ retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj);
++ if (retval) {
++ if (checkglob && retval->globbed) {
++ retval2 = chk_glob_label(retval->globbed, orig_dentry, orig_mnt, path);
++ if (retval2)
++ retval = retval2;
++ }
++ break;
++ }
++ } while ((tmpsubj = tmpsubj->parent_subject));
++ read_unlock(&gr_inode_lock);
++
++ return retval;
++}
++
++static __inline__ struct acl_object_label *
++full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
++ struct dentry *curr_dentry,
++ const struct acl_subject_label *subj, char **path, const int checkglob)
++{
++ int newglob = checkglob;
++ ino_t inode;
++ dev_t device;
++
++ /* if we aren't checking a subdirectory of the original path yet, don't do glob checking
++ as we don't want a / * rule to match instead of the / object
++ don't do this for create lookups that call this function though, since they're looking up
++ on the parent and thus need globbing checks on all paths
++ */
++ if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB)
++ newglob = GR_NO_GLOB;
++
++ spin_lock(&curr_dentry->d_lock);
++ inode = curr_dentry->d_inode->i_ino;
++ device = __get_dev(curr_dentry);
++ spin_unlock(&curr_dentry->d_lock);
++
++ return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob);
++}
++
++static struct acl_object_label *
++__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
++ const struct acl_subject_label *subj, char *path, const int checkglob)
++{
++ struct dentry *dentry = (struct dentry *) l_dentry;
++ struct vfsmount *mnt = (struct vfsmount *) l_mnt;
++ struct mount *real_mnt = real_mount(mnt);
++ struct acl_object_label *retval;
++ struct dentry *parent;
++
++ write_seqlock(&rename_lock);
++ br_read_lock(&vfsmount_lock);
++
++ if (unlikely((mnt == shm_mnt && dentry->d_inode->i_nlink == 0) || mnt == pipe_mnt ||
++#ifdef CONFIG_NET
++ mnt == sock_mnt ||
++#endif
++#ifdef CONFIG_HUGETLBFS
++ (mnt == hugetlbfs_vfsmount && dentry->d_inode->i_nlink == 0) ||
++#endif
++ /* ignore Eric Biederman */
++ IS_PRIVATE(l_dentry->d_inode))) {
++ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw;
++ goto out;
++ }
++
++ for (;;) {
++ if (dentry == real_root.dentry && mnt == real_root.mnt)
++ break;
++
++ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
++ if (!mnt_has_parent(real_mnt))
++ break;
++
++ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
++ if (retval != NULL)
++ goto out;
++
++ dentry = real_mnt->mnt_mountpoint;
++ real_mnt = real_mnt->mnt_parent;
++ mnt = &real_mnt->mnt;
++ continue;
++ }
++
++ parent = dentry->d_parent;
++ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
++ if (retval != NULL)
++ goto out;
++
++ dentry = parent;
++ }
++
++ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
++
++ /* real_root is pinned so we don't have to hold a reference */
++ if (retval == NULL)
++ retval = full_lookup(l_dentry, l_mnt, real_root.dentry, subj, &path, checkglob);
++out:
++ br_read_unlock(&vfsmount_lock);
++ write_sequnlock(&rename_lock);
++
++ BUG_ON(retval == NULL);
++
++ return retval;
++}
++
++static __inline__ struct acl_object_label *
++chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
++ const struct acl_subject_label *subj)
++{
++ char *path = NULL;
++ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB);
++}
++
++static __inline__ struct acl_object_label *
++chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
++ const struct acl_subject_label *subj)
++{
++ char *path = NULL;
++ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB);
++}
++
++static __inline__ struct acl_object_label *
++chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
++ const struct acl_subject_label *subj, char *path)
++{
++ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB);
++}
++
++static struct acl_subject_label *
++chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
++ const struct acl_role_label *role)
++{
++ struct dentry *dentry = (struct dentry *) l_dentry;
++ struct vfsmount *mnt = (struct vfsmount *) l_mnt;
++ struct mount *real_mnt = real_mount(mnt);
++ struct acl_subject_label *retval;
++ struct dentry *parent;
++
++ write_seqlock(&rename_lock);
++ br_read_lock(&vfsmount_lock);
++
++ for (;;) {
++ if (dentry == real_root.dentry && mnt == real_root.mnt)
++ break;
++ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
++ if (!mnt_has_parent(real_mnt))
++ break;
++
++ spin_lock(&dentry->d_lock);
++ read_lock(&gr_inode_lock);
++ retval =
++ lookup_acl_subj_label(dentry->d_inode->i_ino,
++ __get_dev(dentry), role);
++ read_unlock(&gr_inode_lock);
++ spin_unlock(&dentry->d_lock);
++ if (retval != NULL)
++ goto out;
++
++ dentry = real_mnt->mnt_mountpoint;
++ real_mnt = real_mnt->mnt_parent;
++ mnt = &real_mnt->mnt;
++ continue;
++ }
++
++ spin_lock(&dentry->d_lock);
++ read_lock(&gr_inode_lock);
++ retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
++ __get_dev(dentry), role);
++ read_unlock(&gr_inode_lock);
++ parent = dentry->d_parent;
++ spin_unlock(&dentry->d_lock);
++
++ if (retval != NULL)
++ goto out;
++
++ dentry = parent;
++ }
++
++ spin_lock(&dentry->d_lock);
++ read_lock(&gr_inode_lock);
++ retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
++ __get_dev(dentry), role);
++ read_unlock(&gr_inode_lock);
++ spin_unlock(&dentry->d_lock);
++
++ if (unlikely(retval == NULL)) {
++ /* real_root is pinned, we don't need to hold a reference */
++ read_lock(&gr_inode_lock);
++ retval = lookup_acl_subj_label(real_root.dentry->d_inode->i_ino,
++ __get_dev(real_root.dentry), role);
++ read_unlock(&gr_inode_lock);
++ }
++out:
++ br_read_unlock(&vfsmount_lock);
++ write_sequnlock(&rename_lock);
++
++ BUG_ON(retval == NULL);
++
++ return retval;
++}
++
++static void
++gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode)
++{
++ struct task_struct *task = current;
++ const struct cred *cred = current_cred();
++
++ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype,
++ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
++ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
++ 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip);
++
++ return;
++}
++
++static void
++gr_log_learn_id_change(const char type, const unsigned int real,
++ const unsigned int effective, const unsigned int fs)
++{
++ struct task_struct *task = current;
++ const struct cred *cred = current_cred();
++
++ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype,
++ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
++ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
++ type, real, effective, fs, &task->signal->saved_ip);
++
++ return;
++}
++
++__u32
++gr_search_file(const struct dentry * dentry, const __u32 mode,
++ const struct vfsmount * mnt)
++{
++ __u32 retval = mode;
++ struct acl_subject_label *curracl;
++ struct acl_object_label *currobj;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return (mode & ~GR_AUDITS);
++
++ curracl = current->acl;
++
++ currobj = chk_obj_label(dentry, mnt, curracl);
++ retval = currobj->mode & mode;
++
++ /* if we're opening a specified transfer file for writing
++ (e.g. /dev/initctl), then transfer our role to init
++ */
++ if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE &&
++ current->role->roletype & GR_ROLE_PERSIST)) {
++ struct task_struct *task = init_pid_ns.child_reaper;
++
++ if (task->role != current->role) {
++ task->acl_sp_role = 0;
++ task->acl_role_id = current->acl_role_id;
++ task->role = current->role;
++ rcu_read_lock();
++ read_lock(&grsec_exec_file_lock);
++ gr_apply_subject_to_task(task);
++ read_unlock(&grsec_exec_file_lock);
++ rcu_read_unlock();
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG);
++ }
++ }
++
++ if (unlikely
++ ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE)
++ && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) {
++ __u32 new_mode = mode;
++
++ new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
++
++ retval = new_mode;
++
++ if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN)
++ new_mode |= GR_INHERIT;
++
++ if (!(mode & GR_NOLEARN))
++ gr_log_learn(dentry, mnt, new_mode);
++ }
++
++ return retval;
++}
++
++struct acl_object_label *gr_get_create_object(const struct dentry *new_dentry,
++ const struct dentry *parent,
++ const struct vfsmount *mnt)
++{
++ struct name_entry *match;
++ struct acl_object_label *matchpo;
++ struct acl_subject_label *curracl;
++ char *path;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return NULL;
++
++ preempt_disable();
++ path = gr_to_filename_rbac(new_dentry, mnt);
++ match = lookup_name_entry_create(path);
++
++ curracl = current->acl;
++
++ if (match) {
++ read_lock(&gr_inode_lock);
++ matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl);
++ read_unlock(&gr_inode_lock);
++
++ if (matchpo) {
++ preempt_enable();
++ return matchpo;
++ }
++ }
++
++ // lookup parent
++
++ matchpo = chk_obj_create_label(parent, mnt, curracl, path);
++
++ preempt_enable();
++ return matchpo;
++}
++
++__u32
++gr_check_create(const struct dentry * new_dentry, const struct dentry * parent,
++ const struct vfsmount * mnt, const __u32 mode)
++{
++ struct acl_object_label *matchpo;
++ __u32 retval;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return (mode & ~GR_AUDITS);
++
++ matchpo = gr_get_create_object(new_dentry, parent, mnt);
++
++ retval = matchpo->mode & mode;
++
++ if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS)))
++ && (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
++ __u32 new_mode = mode;
++
++ new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
++
++ gr_log_learn(new_dentry, mnt, new_mode);
++ return new_mode;
++ }
++
++ return retval;
++}
++
++__u32
++gr_check_link(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt,
++ const struct dentry * old_dentry, const struct vfsmount * old_mnt)
++{
++ struct acl_object_label *obj;
++ __u32 oldmode, newmode;
++ __u32 needmode;
++ __u32 checkmodes = GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | GR_SETID | GR_READ |
++ GR_DELETE | GR_INHERIT;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return (GR_CREATE | GR_LINK);
++
++ obj = chk_obj_label(old_dentry, old_mnt, current->acl);
++ oldmode = obj->mode;
++
++ obj = gr_get_create_object(new_dentry, parent_dentry, parent_mnt);
++ newmode = obj->mode;
++
++ needmode = newmode & checkmodes;
++
++ // old name for hardlink must have at least the permissions of the new name
++ if ((oldmode & needmode) != needmode)
++ goto bad;
++
++ // if old name had restrictions/auditing, make sure the new name does as well
++ needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS);
++
++ // don't allow hardlinking of suid/sgid/fcapped files without permission
++ if (is_privileged_binary(old_dentry))
++ needmode |= GR_SETID;
++
++ if ((newmode & needmode) != needmode)
++ goto bad;
++
++ // enforce minimum permissions
++ if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK))
++ return newmode;
++bad:
++ needmode = oldmode;
++ if (is_privileged_binary(old_dentry))
++ needmode |= GR_SETID;
++
++ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) {
++ gr_log_learn(old_dentry, old_mnt, needmode | GR_CREATE | GR_LINK);
++ return (GR_CREATE | GR_LINK);
++ } else if (newmode & GR_SUPPRESS)
++ return GR_SUPPRESS;
++ else
++ return 0;
++}
++
++int
++gr_check_hidden_task(const struct task_struct *task)
++{
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++
++ if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW))
++ return 1;
++
++ return 0;
++}
++
++int
++gr_check_protected_task(const struct task_struct *task)
++{
++ if (unlikely(!(gr_status & GR_READY) || !task))
++ return 0;
++
++ if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
++ task->acl != current->acl)
++ return 1;
++
++ return 0;
++}
++
++int
++gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
++{
++ struct task_struct *p;
++ int ret = 0;
++
++ if (unlikely(!(gr_status & GR_READY) || !pid))
++ return ret;
++
++ read_lock(&tasklist_lock);
++ do_each_pid_task(pid, type, p) {
++ if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
++ p->acl != current->acl) {
++ ret = 1;
++ goto out;
++ }
++ } while_each_pid_task(pid, type, p);
++out:
++ read_unlock(&tasklist_lock);
++
++ return ret;
++}
++
++void
++gr_copy_label(struct task_struct *tsk)
++{
++ tsk->signal->used_accept = 0;
++ tsk->acl_sp_role = 0;
++ tsk->acl_role_id = current->acl_role_id;
++ tsk->acl = current->acl;
++ tsk->role = current->role;
++ tsk->signal->curr_ip = current->signal->curr_ip;
++ tsk->signal->saved_ip = current->signal->saved_ip;
++ if (current->exec_file)
++ get_file(current->exec_file);
++ tsk->exec_file = current->exec_file;
++ tsk->is_writable = current->is_writable;
++ if (unlikely(current->signal->used_accept)) {
++ current->signal->curr_ip = 0;
++ current->signal->saved_ip = 0;
++ }
++
++ return;
++}
++
++static void
++gr_set_proc_res(struct task_struct *task)
++{
++ struct acl_subject_label *proc;
++ unsigned short i;
++
++ proc = task->acl;
++
++ if (proc->mode & (GR_LEARN | GR_INHERITLEARN))
++ return;
++
++ for (i = 0; i < RLIM_NLIMITS; i++) {
++ if (!(proc->resmask & (1 << i)))
++ continue;
++
++ task->signal->rlim[i].rlim_cur = proc->res[i].rlim_cur;
++ task->signal->rlim[i].rlim_max = proc->res[i].rlim_max;
++ }
++
++ return;
++}
++
++extern int __gr_process_user_ban(struct user_struct *user);
++
++int
++gr_check_user_change(int real, int effective, int fs)
++{
++ unsigned int i;
++ __u16 num;
++ uid_t *uidlist;
++ int curuid;
++ int realok = 0;
++ int effectiveok = 0;
++ int fsok = 0;
++
++#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
++ struct user_struct *user;
++
++ if (real == -1)
++ goto skipit;
++
++ user = find_user(real);
++ if (user == NULL)
++ goto skipit;
++
++ if (__gr_process_user_ban(user)) {
++ /* for find_user */
++ free_uid(user);
++ return 1;
++ }
++
++ /* for find_user */
++ free_uid(user);
++
++skipit:
++#endif
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++
++ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
++ gr_log_learn_id_change('u', real, effective, fs);
++
++ num = current->acl->user_trans_num;
++ uidlist = current->acl->user_transitions;
++
++ if (uidlist == NULL)
++ return 0;
++
++ if (real == -1)
++ realok = 1;
++ if (effective == -1)
++ effectiveok = 1;
++ if (fs == -1)
++ fsok = 1;
++
++ if (current->acl->user_trans_type & GR_ID_ALLOW) {
++ for (i = 0; i < num; i++) {
++ curuid = (int)uidlist[i];
++ if (real == curuid)
++ realok = 1;
++ if (effective == curuid)
++ effectiveok = 1;
++ if (fs == curuid)
++ fsok = 1;
++ }
++ } else if (current->acl->user_trans_type & GR_ID_DENY) {
++ for (i = 0; i < num; i++) {
++ curuid = (int)uidlist[i];
++ if (real == curuid)
++ break;
++ if (effective == curuid)
++ break;
++ if (fs == curuid)
++ break;
++ }
++ /* not in deny list */
++ if (i == num) {
++ realok = 1;
++ effectiveok = 1;
++ fsok = 1;
++ }
++ }
++
++ if (realok && effectiveok && fsok)
++ return 0;
++ else {
++ gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real);
++ return 1;
++ }
++}
++
++int
++gr_check_group_change(int real, int effective, int fs)
++{
++ unsigned int i;
++ __u16 num;
++ gid_t *gidlist;
++ int curgid;
++ int realok = 0;
++ int effectiveok = 0;
++ int fsok = 0;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++
++ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
++ gr_log_learn_id_change('g', real, effective, fs);
++
++ num = current->acl->group_trans_num;
++ gidlist = current->acl->group_transitions;
++
++ if (gidlist == NULL)
++ return 0;
++
++ if (real == -1)
++ realok = 1;
++ if (effective == -1)
++ effectiveok = 1;
++ if (fs == -1)
++ fsok = 1;
++
++ if (current->acl->group_trans_type & GR_ID_ALLOW) {
++ for (i = 0; i < num; i++) {
++ curgid = (int)gidlist[i];
++ if (real == curgid)
++ realok = 1;
++ if (effective == curgid)
++ effectiveok = 1;
++ if (fs == curgid)
++ fsok = 1;
++ }
++ } else if (current->acl->group_trans_type & GR_ID_DENY) {
++ for (i = 0; i < num; i++) {
++ curgid = (int)gidlist[i];
++ if (real == curgid)
++ break;
++ if (effective == curgid)
++ break;
++ if (fs == curgid)
++ break;
++ }
++ /* not in deny list */
++ if (i == num) {
++ realok = 1;
++ effectiveok = 1;
++ fsok = 1;
++ }
++ }
++
++ if (realok && effectiveok && fsok)
++ return 0;
++ else {
++ gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real);
++ return 1;
++ }
++}
++
++extern int gr_acl_is_capable(const int cap);
++
++void
++gr_set_role_label(struct task_struct *task, const uid_t uid, const uid_t gid)
++{
++ struct acl_role_label *role = task->role;
++ struct acl_subject_label *subj = NULL;
++ struct acl_object_label *obj;
++ struct file *filp;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ filp = task->exec_file;
++
++ /* kernel process, we'll give them the kernel role */
++ if (unlikely(!filp)) {
++ task->role = kernel_role;
++ task->acl = kernel_role->root_label;
++ return;
++ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL))
++ role = lookup_acl_role_label(task, uid, gid);
++
++ /* don't change the role if we're not a privileged process */
++ if (role && task->role != role &&
++ (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) ||
++ ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID))))
++ return;
++
++ /* perform subject lookup in possibly new role
++ we can use this result below in the case where role == task->role
++ */
++ subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role);
++
++ /* if we changed uid/gid, but result in the same role
++ and are using inheritance, don't lose the inherited subject
++ if current subject is other than what normal lookup
++ would result in, we arrived via inheritance, don't
++ lose subject
++ */
++ if (role != task->role || (!(task->acl->mode & GR_INHERITLEARN) &&
++ (subj == task->acl)))
++ task->acl = subj;
++
++ task->role = role;
++
++ task->is_writable = 0;
++
++ /* ignore additional mmap checks for processes that are writable
++ by the default ACL */
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
++#endif
++
++ gr_set_proc_res(task);
++
++ return;
++}
++
++int
++gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
++ const int unsafe_flags)
++{
++ struct task_struct *task = current;
++ struct acl_subject_label *newacl;
++ struct acl_object_label *obj;
++ __u32 retmode;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++
++ newacl = chk_subj_label(dentry, mnt, task->role);
++
++ /* special handling for if we did an strace -f -p <pid> from an admin role, where pid then
++ did an exec
++ */
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ if (task->ptrace && task->parent && ((task->parent->role->roletype & GR_ROLE_GOD) ||
++ (task->parent->acl->mode & GR_POVERRIDE))) {
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ goto skip_check;
++ }
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++
++ if (unsafe_flags && !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) &&
++ !(task->role->roletype & GR_ROLE_GOD) &&
++ !gr_search_file(dentry, GR_PTRACERD, mnt) &&
++ !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
++ if (unsafe_flags & LSM_UNSAFE_SHARE)
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt);
++ else
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt);
++ return -EACCES;
++ }
++
++skip_check:
++
++ obj = chk_obj_label(dentry, mnt, task->acl);
++ retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT);
++
++ if (!(task->acl->mode & GR_INHERITLEARN) &&
++ ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) {
++ if (obj->nested)
++ task->acl = obj->nested;
++ else
++ task->acl = newacl;
++ } else if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT)
++ gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt);
++
++ task->is_writable = 0;
++
++ /* ignore additional mmap checks for processes that are writable
++ by the default ACL */
++ obj = chk_obj_label(dentry, mnt, default_role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++ obj = chk_obj_label(dentry, mnt, task->role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++
++ gr_set_proc_res(task);
++
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
++#endif
++ return 0;
++}
++
++/* always called with valid inodev ptr */
++static void
++do_handle_delete(struct inodev_entry *inodev, const ino_t ino, const dev_t dev)
++{
++ struct acl_object_label *matchpo;
++ struct acl_subject_label *matchps;
++ struct acl_subject_label *subj;
++ struct acl_role_label *role;
++ unsigned int x;
++
++ FOR_EACH_ROLE_START(role)
++ FOR_EACH_SUBJECT_START(role, subj, x)
++ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL)
++ matchpo->mode |= GR_DELETED;
++ FOR_EACH_SUBJECT_END(subj,x)
++ FOR_EACH_NESTED_SUBJECT_START(role, subj)
++ /* nested subjects aren't in the role's subj_hash table */
++ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL)
++ matchpo->mode |= GR_DELETED;
++ FOR_EACH_NESTED_SUBJECT_END(subj)
++ if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL)
++ matchps->mode |= GR_DELETED;
++ FOR_EACH_ROLE_END(role)
++
++ inodev->nentry->deleted = 1;
++
++ return;
++}
++
++void
++gr_handle_delete(const ino_t ino, const dev_t dev)
++{
++ struct inodev_entry *inodev;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ write_lock(&gr_inode_lock);
++ inodev = lookup_inodev_entry(ino, dev);
++ if (inodev != NULL)
++ do_handle_delete(inodev, ino, dev);
++ write_unlock(&gr_inode_lock);
++
++ return;
++}
++
++static void
++update_acl_obj_label(const ino_t oldinode, const dev_t olddevice,
++ const ino_t newinode, const dev_t newdevice,
++ struct acl_subject_label *subj)
++{
++ unsigned int index = fhash(oldinode, olddevice, subj->obj_hash_size);
++ struct acl_object_label *match;
++
++ match = subj->obj_hash[index];
++
++ while (match && (match->inode != oldinode ||
++ match->device != olddevice ||
++ !(match->mode & GR_DELETED)))
++ match = match->next;
++
++ if (match && (match->inode == oldinode)
++ && (match->device == olddevice)
++ && (match->mode & GR_DELETED)) {
++ if (match->prev == NULL) {
++ subj->obj_hash[index] = match->next;
++ if (match->next != NULL)
++ match->next->prev = NULL;
++ } else {
++ match->prev->next = match->next;
++ if (match->next != NULL)
++ match->next->prev = match->prev;
++ }
++ match->prev = NULL;
++ match->next = NULL;
++ match->inode = newinode;
++ match->device = newdevice;
++ match->mode &= ~GR_DELETED;
++
++ insert_acl_obj_label(match, subj);
++ }
++
++ return;
++}
++
++static void
++update_acl_subj_label(const ino_t oldinode, const dev_t olddevice,
++ const ino_t newinode, const dev_t newdevice,
++ struct acl_role_label *role)
++{
++ unsigned int index = fhash(oldinode, olddevice, role->subj_hash_size);
++ struct acl_subject_label *match;
++
++ match = role->subj_hash[index];
++
++ while (match && (match->inode != oldinode ||
++ match->device != olddevice ||
++ !(match->mode & GR_DELETED)))
++ match = match->next;
++
++ if (match && (match->inode == oldinode)
++ && (match->device == olddevice)
++ && (match->mode & GR_DELETED)) {
++ if (match->prev == NULL) {
++ role->subj_hash[index] = match->next;
++ if (match->next != NULL)
++ match->next->prev = NULL;
++ } else {
++ match->prev->next = match->next;
++ if (match->next != NULL)
++ match->next->prev = match->prev;
++ }
++ match->prev = NULL;
++ match->next = NULL;
++ match->inode = newinode;
++ match->device = newdevice;
++ match->mode &= ~GR_DELETED;
++
++ insert_acl_subj_label(match, role);
++ }
++
++ return;
++}
++
++static void
++update_inodev_entry(const ino_t oldinode, const dev_t olddevice,
++ const ino_t newinode, const dev_t newdevice)
++{
++ unsigned int index = fhash(oldinode, olddevice, inodev_set.i_size);
++ struct inodev_entry *match;
++
++ match = inodev_set.i_hash[index];
++
++ while (match && (match->nentry->inode != oldinode ||
++ match->nentry->device != olddevice || !match->nentry->deleted))
++ match = match->next;
++
++ if (match && (match->nentry->inode == oldinode)
++ && (match->nentry->device == olddevice) &&
++ match->nentry->deleted) {
++ if (match->prev == NULL) {
++ inodev_set.i_hash[index] = match->next;
++ if (match->next != NULL)
++ match->next->prev = NULL;
++ } else {
++ match->prev->next = match->next;
++ if (match->next != NULL)
++ match->next->prev = match->prev;
++ }
++ match->prev = NULL;
++ match->next = NULL;
++ match->nentry->inode = newinode;
++ match->nentry->device = newdevice;
++ match->nentry->deleted = 0;
++
++ insert_inodev_entry(match);
++ }
++
++ return;
++}
++
++static void
++__do_handle_create(const struct name_entry *matchn, ino_t ino, dev_t dev)
++{
++ struct acl_subject_label *subj;
++ struct acl_role_label *role;
++ unsigned int x;
++
++ FOR_EACH_ROLE_START(role)
++ update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role);
++
++ FOR_EACH_NESTED_SUBJECT_START(role, subj)
++ if ((subj->inode == ino) && (subj->device == dev)) {
++ subj->inode = ino;
++ subj->device = dev;
++ }
++ /* nested subjects aren't in the role's subj_hash table */
++ update_acl_obj_label(matchn->inode, matchn->device,
++ ino, dev, subj);
++ FOR_EACH_NESTED_SUBJECT_END(subj)
++ FOR_EACH_SUBJECT_START(role, subj, x)
++ update_acl_obj_label(matchn->inode, matchn->device,
++ ino, dev, subj);
++ FOR_EACH_SUBJECT_END(subj,x)
++ FOR_EACH_ROLE_END(role)
++
++ update_inodev_entry(matchn->inode, matchn->device, ino, dev);
++
++ return;
++}
++
++static void
++do_handle_create(const struct name_entry *matchn, const struct dentry *dentry,
++ const struct vfsmount *mnt)
++{
++ ino_t ino = dentry->d_inode->i_ino;
++ dev_t dev = __get_dev(dentry);
++
++ __do_handle_create(matchn, ino, dev);
++
++ return;
++}
++
++void
++gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ struct name_entry *matchn;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ preempt_disable();
++ matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt));
++
++ if (unlikely((unsigned long)matchn)) {
++ write_lock(&gr_inode_lock);
++ do_handle_create(matchn, dentry, mnt);
++ write_unlock(&gr_inode_lock);
++ }
++ preempt_enable();
++
++ return;
++}
++
++void
++gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
++{
++ struct name_entry *matchn;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ preempt_disable();
++ matchn = lookup_name_entry(gr_to_proc_filename_rbac(dentry, init_pid_ns.proc_mnt));
++
++ if (unlikely((unsigned long)matchn)) {
++ write_lock(&gr_inode_lock);
++ __do_handle_create(matchn, inode->i_ino, inode->i_sb->s_dev);
++ write_unlock(&gr_inode_lock);
++ }
++ preempt_enable();
++
++ return;
++}
++
++void
++gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
++ struct dentry *old_dentry,
++ struct dentry *new_dentry,
++ struct vfsmount *mnt, const __u8 replace)
++{
++ struct name_entry *matchn;
++ struct inodev_entry *inodev;
++ struct inode *inode = new_dentry->d_inode;
++ ino_t old_ino = old_dentry->d_inode->i_ino;
++ dev_t old_dev = __get_dev(old_dentry);
++
++ /* vfs_rename swaps the name and parent link for old_dentry and
++ new_dentry
++ at this point, old_dentry has the new name, parent link, and inode
++ for the renamed file
++ if a file is being replaced by a rename, new_dentry has the inode
++ and name for the replaced file
++ */
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ preempt_disable();
++ matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt));
++
++ /* we wouldn't have to check d_inode if it weren't for
++ NFS silly-renaming
++ */
++
++ write_lock(&gr_inode_lock);
++ if (unlikely(replace && inode)) {
++ ino_t new_ino = inode->i_ino;
++ dev_t new_dev = __get_dev(new_dentry);
++
++ inodev = lookup_inodev_entry(new_ino, new_dev);
++ if (inodev != NULL && ((inode->i_nlink <= 1) || S_ISDIR(inode->i_mode)))
++ do_handle_delete(inodev, new_ino, new_dev);
++ }
++
++ inodev = lookup_inodev_entry(old_ino, old_dev);
++ if (inodev != NULL && ((old_dentry->d_inode->i_nlink <= 1) || S_ISDIR(old_dentry->d_inode->i_mode)))
++ do_handle_delete(inodev, old_ino, old_dev);
++
++ if (unlikely((unsigned long)matchn))
++ do_handle_create(matchn, old_dentry, mnt);
++
++ write_unlock(&gr_inode_lock);
++ preempt_enable();
++
++ return;
++}
++
++static int
++lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt,
++ unsigned char **sum)
++{
++ struct acl_role_label *r;
++ struct role_allowed_ip *ipp;
++ struct role_transition *trans;
++ unsigned int i;
++ int found = 0;
++ u32 curr_ip = current->signal->curr_ip;
++
++ current->signal->saved_ip = curr_ip;
++
++ /* check transition table */
++
++ for (trans = current->role->transitions; trans; trans = trans->next) {
++ if (!strcmp(rolename, trans->rolename)) {
++ found = 1;
++ break;
++ }
++ }
++
++ if (!found)
++ return 0;
++
++ /* handle special roles that do not require authentication
++ and check ip */
++
++ FOR_EACH_ROLE_START(r)
++ if (!strcmp(rolename, r->rolename) &&
++ (r->roletype & GR_ROLE_SPECIAL)) {
++ found = 0;
++ if (r->allowed_ips != NULL) {
++ for (ipp = r->allowed_ips; ipp; ipp = ipp->next) {
++ if ((ntohl(curr_ip) & ipp->netmask) ==
++ (ntohl(ipp->addr) & ipp->netmask))
++ found = 1;
++ }
++ } else
++ found = 2;
++ if (!found)
++ return 0;
++
++ if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) ||
++ ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) {
++ *salt = NULL;
++ *sum = NULL;
++ return 1;
++ }
++ }
++ FOR_EACH_ROLE_END(r)
++
++ for (i = 0; i < num_sprole_pws; i++) {
++ if (!strcmp(rolename, acl_special_roles[i]->rolename)) {
++ *salt = acl_special_roles[i]->salt;
++ *sum = acl_special_roles[i]->sum;
++ return 1;
++ }
++ }
++
++ return 0;
++}
++
++static void
++assign_special_role(char *rolename)
++{
++ struct acl_object_label *obj;
++ struct acl_role_label *r;
++ struct acl_role_label *assigned = NULL;
++ struct task_struct *tsk;
++ struct file *filp;
++
++ FOR_EACH_ROLE_START(r)
++ if (!strcmp(rolename, r->rolename) &&
++ (r->roletype & GR_ROLE_SPECIAL)) {
++ assigned = r;
++ break;
++ }
++ FOR_EACH_ROLE_END(r)
++
++ if (!assigned)
++ return;
++
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++
++ tsk = current->real_parent;
++ if (tsk == NULL)
++ goto out_unlock;
++
++ filp = tsk->exec_file;
++ if (filp == NULL)
++ goto out_unlock;
++
++ tsk->is_writable = 0;
++
++ tsk->acl_sp_role = 1;
++ tsk->acl_role_id = ++acl_sp_role_value;
++ tsk->role = assigned;
++ tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role);
++
++ /* ignore additional mmap checks for processes that are writable
++ by the default ACL */
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ tsk->is_writable = 1;
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ tsk->is_writable = 1;
++
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename, tsk->acl->filename, tsk->comm, tsk->pid);
++#endif
++
++out_unlock:
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ return;
++}
++
++int gr_check_secure_terminal(struct task_struct *task)
++{
++ struct task_struct *p, *p2, *p3;
++ struct files_struct *files;
++ struct fdtable *fdt;
++ struct file *our_file = NULL, *file;
++ int i;
++
++ if (task->signal->tty == NULL)
++ return 1;
++
++ files = get_files_struct(task);
++ if (files != NULL) {
++ rcu_read_lock();
++ fdt = files_fdtable(files);
++ for (i=0; i < fdt->max_fds; i++) {
++ file = fcheck_files(files, i);
++ if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) {
++ get_file(file);
++ our_file = file;
++ }
++ }
++ rcu_read_unlock();
++ put_files_struct(files);
++ }
++
++ if (our_file == NULL)
++ return 1;
++
++ read_lock(&tasklist_lock);
++ do_each_thread(p2, p) {
++ files = get_files_struct(p);
++ if (files == NULL ||
++ (p->signal && p->signal->tty == task->signal->tty)) {
++ if (files != NULL)
++ put_files_struct(files);
++ continue;
++ }
++ rcu_read_lock();
++ fdt = files_fdtable(files);
++ for (i=0; i < fdt->max_fds; i++) {
++ file = fcheck_files(files, i);
++ if (file && S_ISCHR(file->f_path.dentry->d_inode->i_mode) &&
++ file->f_path.dentry->d_inode->i_rdev == our_file->f_path.dentry->d_inode->i_rdev) {
++ p3 = task;
++ while (p3->pid > 0) {
++ if (p3 == p)
++ break;
++ p3 = p3->real_parent;
++ }
++ if (p3 == p)
++ break;
++ gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p);
++ gr_handle_alertkill(p);
++ rcu_read_unlock();
++ put_files_struct(files);
++ read_unlock(&tasklist_lock);
++ fput(our_file);
++ return 0;
++ }
++ }
++ rcu_read_unlock();
++ put_files_struct(files);
++ } while_each_thread(p2, p);
++ read_unlock(&tasklist_lock);
++
++ fput(our_file);
++ return 1;
++}
++
++static int gr_rbac_disable(void *unused)
++{
++ pax_open_kernel();
++ gr_status &= ~GR_READY;
++ pax_close_kernel();
++
++ return 0;
++}
++
++ssize_t
++write_grsec_handler(struct file *file, const char * buf, size_t count, loff_t *ppos)
++{
++ struct gr_arg_wrapper uwrap;
++ unsigned char *sprole_salt = NULL;
++ unsigned char *sprole_sum = NULL;
++ int error = sizeof (struct gr_arg_wrapper);
++ int error2 = 0;
++
++ mutex_lock(&gr_dev_mutex);
++
++ if ((gr_status & GR_READY) && !(current->acl->mode & GR_KERNELAUTH)) {
++ error = -EPERM;
++ goto out;
++ }
++
++ if (count != sizeof (struct gr_arg_wrapper)) {
++ gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)sizeof(struct gr_arg_wrapper));
++ error = -EINVAL;
++ goto out;
++ }
++
++
++ if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) {
++ gr_auth_expires = 0;
++ gr_auth_attempts = 0;
++ }
++
++ if (copy_from_user(&uwrap, buf, sizeof (struct gr_arg_wrapper))) {
++ error = -EFAULT;
++ goto out;
++ }
++
++ if ((uwrap.version != GRSECURITY_VERSION) || (uwrap.size != sizeof(struct gr_arg))) {
++ error = -EINVAL;
++ goto out;
++ }
++
++ if (copy_from_user(gr_usermode, uwrap.arg, sizeof (struct gr_arg))) {
++ error = -EFAULT;
++ goto out;
++ }
++
++ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM &&
++ gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
++ time_after(gr_auth_expires, get_seconds())) {
++ error = -EBUSY;
++ goto out;
++ }
++
++ /* if non-root trying to do anything other than use a special role,
++ do not attempt authentication, do not count towards authentication
++ locking
++ */
++
++ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS &&
++ gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM &&
++ !uid_eq(current_uid(), GLOBAL_ROOT_UID)) {
++ error = -EPERM;
++ goto out;
++ }
++
++ /* ensure pw and special role name are null terminated */
++
++ gr_usermode->pw[GR_PW_LEN - 1] = '\0';
++ gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0';
++
++ /* Okay.
++ * We have our enough of the argument structure..(we have yet
++ * to copy_from_user the tables themselves) . Copy the tables
++ * only if we need them, i.e. for loading operations. */
++
++ switch (gr_usermode->mode) {
++ case GR_STATUS:
++ if (gr_status & GR_READY) {
++ error = 1;
++ if (!gr_check_secure_terminal(current))
++ error = 3;
++ } else
++ error = 2;
++ goto out;
++ case GR_SHUTDOWN:
++ if ((gr_status & GR_READY)
++ && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
++ stop_machine(gr_rbac_disable, NULL, NULL);
++ free_variables();
++ memset(gr_usermode, 0, sizeof (struct gr_arg));
++ memset(gr_system_salt, 0, GR_SALT_LEN);
++ memset(gr_system_sum, 0, GR_SHA_LEN);
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG);
++ } else if (gr_status & GR_READY) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG);
++ error = -EPERM;
++ } else {
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG);
++ error = -EAGAIN;
++ }
++ break;
++ case GR_ENABLE:
++ if (!(gr_status & GR_READY) && !(error2 = gracl_init(gr_usermode)))
++ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION);
++ else {
++ if (gr_status & GR_READY)
++ error = -EAGAIN;
++ else
++ error = error2;
++ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION);
++ }
++ break;
++ case GR_RELOAD:
++ if (!(gr_status & GR_READY)) {
++ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION);
++ error = -EAGAIN;
++ } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
++ stop_machine(gr_rbac_disable, NULL, NULL);
++ free_variables();
++ error2 = gracl_init(gr_usermode);
++ if (!error2)
++ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION);
++ else {
++ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
++ error = error2;
++ }
++ } else {
++ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
++ error = -EPERM;
++ }
++ break;
++ case GR_SEGVMOD:
++ if (unlikely(!(gr_status & GR_READY))) {
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG);
++ error = -EAGAIN;
++ break;
++ }
++
++ if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG);
++ if (gr_usermode->segv_device && gr_usermode->segv_inode) {
++ struct acl_subject_label *segvacl;
++ segvacl =
++ lookup_acl_subj_label(gr_usermode->segv_inode,
++ gr_usermode->segv_device,
++ current->role);
++ if (segvacl) {
++ segvacl->crashes = 0;
++ segvacl->expires = 0;
++ }
++ } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) {
++ gr_remove_uid(gr_usermode->segv_uid);
++ }
++ } else {
++ gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG);
++ error = -EPERM;
++ }
++ break;
++ case GR_SPROLE:
++ case GR_SPROLEPAM:
++ if (unlikely(!(gr_status & GR_READY))) {
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG);
++ error = -EAGAIN;
++ break;
++ }
++
++ if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) {
++ current->role->expires = 0;
++ current->role->auth_attempts = 0;
++ }
++
++ if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
++ time_after(current->role->expires, get_seconds())) {
++ error = -EBUSY;
++ goto out;
++ }
++
++ if (lookup_special_role_auth
++ (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum)
++ && ((!sprole_salt && !sprole_sum)
++ || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) {
++ char *p = "";
++ assign_special_role(gr_usermode->sp_role);
++ read_lock(&tasklist_lock);
++ if (current->real_parent)
++ p = current->real_parent->role->rolename;
++ read_unlock(&tasklist_lock);
++ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG,
++ p, acl_sp_role_value);
++ } else {
++ gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role);
++ error = -EPERM;
++ if(!(current->role->auth_attempts++))
++ current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
++
++ goto out;
++ }
++ break;
++ case GR_UNSPROLE:
++ if (unlikely(!(gr_status & GR_READY))) {
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG);
++ error = -EAGAIN;
++ break;
++ }
++
++ if (current->role->roletype & GR_ROLE_SPECIAL) {
++ char *p = "";
++ int i = 0;
++
++ read_lock(&tasklist_lock);
++ if (current->real_parent) {
++ p = current->real_parent->role->rolename;
++ i = current->real_parent->acl_role_id;
++ }
++ read_unlock(&tasklist_lock);
++
++ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i);
++ gr_set_acls(1);
++ } else {
++ error = -EPERM;
++ goto out;
++ }
++ break;
++ default:
++ gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode);
++ error = -EINVAL;
++ break;
++ }
++
++ if (error != -EPERM)
++ goto out;
++
++ if(!(gr_auth_attempts++))
++ gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
++
++ out:
++ mutex_unlock(&gr_dev_mutex);
++ return error;
++}
++
++/* must be called with
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++*/
++int gr_apply_subject_to_task(struct task_struct *task)
++{
++ struct acl_object_label *obj;
++ char *tmpname;
++ struct acl_subject_label *tmpsubj;
++ struct file *filp;
++ struct name_entry *nmatch;
++
++ filp = task->exec_file;
++ if (filp == NULL)
++ return 0;
++
++ /* the following is to apply the correct subject
++ on binaries running when the RBAC system
++ is enabled, when the binaries have been
++ replaced or deleted since their execution
++ -----
++ when the RBAC system starts, the inode/dev
++ from exec_file will be one the RBAC system
++ is unaware of. It only knows the inode/dev
++ of the present file on disk, or the absence
++ of it.
++ */
++ preempt_disable();
++ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt);
++
++ nmatch = lookup_name_entry(tmpname);
++ preempt_enable();
++ tmpsubj = NULL;
++ if (nmatch) {
++ if (nmatch->deleted)
++ tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role);
++ else
++ tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role);
++ if (tmpsubj != NULL)
++ task->acl = tmpsubj;
++ }
++ if (tmpsubj == NULL)
++ task->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt,
++ task->role);
++ if (task->acl) {
++ task->is_writable = 0;
++ /* ignore additional mmap checks for processes that are writable
++ by the default ACL */
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
++ if (unlikely(obj->mode & GR_WRITE))
++ task->is_writable = 1;
++
++ gr_set_proc_res(task);
++
++#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
++ printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename);
++#endif
++ } else {
++ return 1;
++ }
++
++ return 0;
++}
++
++int
++gr_set_acls(const int type)
++{
++ struct task_struct *task, *task2;
++ struct acl_role_label *role = current->role;
++ __u16 acl_role_id = current->acl_role_id;
++ const struct cred *cred;
++ int ret;
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++ do_each_thread(task2, task) {
++ /* check to see if we're called from the exit handler,
++ if so, only replace ACLs that have inherited the admin
++ ACL */
++
++ if (type && (task->role != role ||
++ task->acl_role_id != acl_role_id))
++ continue;
++
++ task->acl_role_id = 0;
++ task->acl_sp_role = 0;
++
++ if (task->exec_file) {
++ cred = __task_cred(task);
++ task->role = lookup_acl_role_label(task, cred->uid, cred->gid);
++ ret = gr_apply_subject_to_task(task);
++ if (ret) {
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task->pid);
++ return ret;
++ }
++ } else {
++ // it's a kernel process
++ task->role = kernel_role;
++ task->acl = kernel_role->root_label;
++#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN
++ task->acl->mode &= ~GR_PROCFIND;
++#endif
++ }
++ } while_each_thread(task2, task);
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++
++ return 0;
++}
++
++void
++gr_learn_resource(const struct task_struct *task,
++ const int res, const unsigned long wanted, const int gt)
++{
++ struct acl_subject_label *acl;
++ const struct cred *cred;
++
++ if (unlikely((gr_status & GR_READY) &&
++ task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))))
++ goto skip_reslog;
++
++#ifdef CONFIG_GRKERNSEC_RESLOG
++ gr_log_resource(task, res, wanted, gt);
++#endif
++ skip_reslog:
++
++ if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS))
++ return;
++
++ acl = task->acl;
++
++ if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) ||
++ !(acl->resmask & (1 << (unsigned short) res))))
++ return;
++
++ if (wanted >= acl->res[res].rlim_cur) {
++ unsigned long res_add;
++
++ res_add = wanted;
++ switch (res) {
++ case RLIMIT_CPU:
++ res_add += GR_RLIM_CPU_BUMP;
++ break;
++ case RLIMIT_FSIZE:
++ res_add += GR_RLIM_FSIZE_BUMP;
++ break;
++ case RLIMIT_DATA:
++ res_add += GR_RLIM_DATA_BUMP;
++ break;
++ case RLIMIT_STACK:
++ res_add += GR_RLIM_STACK_BUMP;
++ break;
++ case RLIMIT_CORE:
++ res_add += GR_RLIM_CORE_BUMP;
++ break;
++ case RLIMIT_RSS:
++ res_add += GR_RLIM_RSS_BUMP;
++ break;
++ case RLIMIT_NPROC:
++ res_add += GR_RLIM_NPROC_BUMP;
++ break;
++ case RLIMIT_NOFILE:
++ res_add += GR_RLIM_NOFILE_BUMP;
++ break;
++ case RLIMIT_MEMLOCK:
++ res_add += GR_RLIM_MEMLOCK_BUMP;
++ break;
++ case RLIMIT_AS:
++ res_add += GR_RLIM_AS_BUMP;
++ break;
++ case RLIMIT_LOCKS:
++ res_add += GR_RLIM_LOCKS_BUMP;
++ break;
++ case RLIMIT_SIGPENDING:
++ res_add += GR_RLIM_SIGPENDING_BUMP;
++ break;
++ case RLIMIT_MSGQUEUE:
++ res_add += GR_RLIM_MSGQUEUE_BUMP;
++ break;
++ case RLIMIT_NICE:
++ res_add += GR_RLIM_NICE_BUMP;
++ break;
++ case RLIMIT_RTPRIO:
++ res_add += GR_RLIM_RTPRIO_BUMP;
++ break;
++ case RLIMIT_RTTIME:
++ res_add += GR_RLIM_RTTIME_BUMP;
++ break;
++ }
++
++ acl->res[res].rlim_cur = res_add;
++
++ if (wanted > acl->res[res].rlim_max)
++ acl->res[res].rlim_max = res_add;
++
++ /* only log the subject filename, since resource logging is supported for
++ single-subject learning only */
++ rcu_read_lock();
++ cred = __task_cred(task);
++ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
++ task->role->roletype, cred->uid, cred->gid, acl->filename,
++ acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max,
++ "", (unsigned long) res, &task->signal->saved_ip);
++ rcu_read_unlock();
++ }
++
++ return;
++}
++
++#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR))
++void
++pax_set_initial_flags(struct linux_binprm *bprm)
++{
++ struct task_struct *task = current;
++ struct acl_subject_label *proc;
++ unsigned long flags;
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ flags = pax_get_flags(task);
++
++ proc = task->acl;
++
++ if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC)
++ flags &= ~MF_PAX_PAGEEXEC;
++ if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC)
++ flags &= ~MF_PAX_SEGMEXEC;
++ if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP)
++ flags &= ~MF_PAX_RANDMMAP;
++ if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP)
++ flags &= ~MF_PAX_EMUTRAMP;
++ if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT)
++ flags &= ~MF_PAX_MPROTECT;
++
++ if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC)
++ flags |= MF_PAX_PAGEEXEC;
++ if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC)
++ flags |= MF_PAX_SEGMEXEC;
++ if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP)
++ flags |= MF_PAX_RANDMMAP;
++ if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP)
++ flags |= MF_PAX_EMUTRAMP;
++ if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT)
++ flags |= MF_PAX_MPROTECT;
++
++ pax_set_flags(task, flags);
++
++ return;
++}
++#endif
++
++int
++gr_handle_proc_ptrace(struct task_struct *task)
++{
++ struct file *filp;
++ struct task_struct *tmp = task;
++ struct task_struct *curtemp = current;
++ __u32 retmode;
++
++#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++#endif
++
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++ filp = task->exec_file;
++
++ while (tmp->pid > 0) {
++ if (tmp == curtemp)
++ break;
++ tmp = tmp->real_parent;
++ }
++
++ if (!filp || (tmp->pid == 0 && ((grsec_enable_harden_ptrace && !uid_eq(current_uid(), GLOBAL_ROOT_UID) && !(gr_status & GR_READY)) ||
++ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) {
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ return 1;
++ }
++
++#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ if (!(gr_status & GR_READY)) {
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ return 0;
++ }
++#endif
++
++ retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt);
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++
++ if (retmode & GR_NOPTRACE)
++ return 1;
++
++ if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD)
++ && (current->acl != task->acl || (current->acl != current->role->root_label
++ && current->pid != task->pid)))
++ return 1;
++
++ return 0;
++}
++
++void task_grsec_rbac(struct seq_file *m, struct task_struct *p)
++{
++ if (unlikely(!(gr_status & GR_READY)))
++ return;
++
++ if (!(current->role->roletype & GR_ROLE_GOD))
++ return;
++
++ seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n",
++ p->role->rolename, gr_task_roletype_to_char(p),
++ p->acl->filename);
++}
++
++int
++gr_handle_ptrace(struct task_struct *task, const long request)
++{
++ struct task_struct *tmp = task;
++ struct task_struct *curtemp = current;
++ __u32 retmode;
++
++#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++#endif
++ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
++ read_lock(&tasklist_lock);
++ while (tmp->pid > 0) {
++ if (tmp == curtemp)
++ break;
++ tmp = tmp->real_parent;
++ }
++
++ if (tmp->pid == 0 && ((grsec_enable_harden_ptrace && !uid_eq(current_uid(), GLOBAL_ROOT_UID) && !(gr_status & GR_READY)) ||
++ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) {
++ read_unlock(&tasklist_lock);
++ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
++ return 1;
++ }
++ read_unlock(&tasklist_lock);
++ }
++
++#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ if (!(gr_status & GR_READY))
++ return 0;
++#endif
++
++ read_lock(&grsec_exec_file_lock);
++ if (unlikely(!task->exec_file)) {
++ read_unlock(&grsec_exec_file_lock);
++ return 0;
++ }
++
++ retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt);
++ read_unlock(&grsec_exec_file_lock);
++
++ if (retmode & GR_NOPTRACE) {
++ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
++ return 1;
++ }
++
++ if (retmode & GR_PTRACERD) {
++ switch (request) {
++ case PTRACE_SEIZE:
++ case PTRACE_POKETEXT:
++ case PTRACE_POKEDATA:
++ case PTRACE_POKEUSR:
++#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64)
++ case PTRACE_SETREGS:
++ case PTRACE_SETFPREGS:
++#endif
++#ifdef CONFIG_X86
++ case PTRACE_SETFPXREGS:
++#endif
++#ifdef CONFIG_ALTIVEC
++ case PTRACE_SETVRREGS:
++#endif
++ return 1;
++ default:
++ return 0;
++ }
++ } else if (!(current->acl->mode & GR_POVERRIDE) &&
++ !(current->role->roletype & GR_ROLE_GOD) &&
++ (current->acl != task->acl)) {
++ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
++ return 1;
++ }
++
++ return 0;
++}
++
++static int is_writable_mmap(const struct file *filp)
++{
++ struct task_struct *task = current;
++ struct acl_object_label *obj, *obj2;
++
++ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) &&
++ !task->is_writable && S_ISREG(filp->f_path.dentry->d_inode->i_mode) && (filp->f_path.mnt != shm_mnt || (filp->f_path.dentry->d_inode->i_nlink > 0))) {
++ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label);
++ obj2 = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt,
++ task->role->root_label);
++ if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, filp->f_path.dentry, filp->f_path.mnt);
++ return 1;
++ }
++ }
++ return 0;
++}
++
++int
++gr_acl_handle_mmap(const struct file *file, const unsigned long prot)
++{
++ __u32 mode;
++
++ if (unlikely(!file || !(prot & PROT_EXEC)))
++ return 1;
++
++ if (is_writable_mmap(file))
++ return 0;
++
++ mode =
++ gr_search_file(file->f_path.dentry,
++ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
++ file->f_path.mnt);
++
++ if (!gr_tpe_allow(file))
++ return 0;
++
++ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
++ return 0;
++ } else if (unlikely(!(mode & GR_EXEC))) {
++ return 0;
++ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
++ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
++ return 1;
++ }
++
++ return 1;
++}
++
++int
++gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
++{
++ __u32 mode;
++
++ if (unlikely(!file || !(prot & PROT_EXEC)))
++ return 1;
++
++ if (is_writable_mmap(file))
++ return 0;
++
++ mode =
++ gr_search_file(file->f_path.dentry,
++ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
++ file->f_path.mnt);
++
++ if (!gr_tpe_allow(file))
++ return 0;
++
++ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
++ return 0;
++ } else if (unlikely(!(mode & GR_EXEC))) {
++ return 0;
++ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
++ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
++ return 1;
++ }
++
++ return 1;
++}
++
++void
++gr_acl_handle_psacct(struct task_struct *task, const long code)
++{
++ unsigned long runtime;
++ unsigned long cputime;
++ unsigned int wday, cday;
++ __u8 whr, chr;
++ __u8 wmin, cmin;
++ __u8 wsec, csec;
++ struct timespec timeval;
++
++ if (unlikely(!(gr_status & GR_READY) || !task->acl ||
++ !(task->acl->mode & GR_PROCACCT)))
++ return;
++
++ do_posix_clock_monotonic_gettime(&timeval);
++ runtime = timeval.tv_sec - task->start_time.tv_sec;
++ wday = runtime / (3600 * 24);
++ runtime -= wday * (3600 * 24);
++ whr = runtime / 3600;
++ runtime -= whr * 3600;
++ wmin = runtime / 60;
++ runtime -= wmin * 60;
++ wsec = runtime;
++
++ cputime = (task->utime + task->stime) / HZ;
++ cday = cputime / (3600 * 24);
++ cputime -= cday * (3600 * 24);
++ chr = cputime / 3600;
++ cputime -= chr * 3600;
++ cmin = cputime / 60;
++ cputime -= cmin * 60;
++ csec = cputime;
++
++ gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code);
++
++ return;
++}
++
++void gr_set_kernel_label(struct task_struct *task)
++{
++ if (gr_status & GR_READY) {
++ task->role = kernel_role;
++ task->acl = kernel_role->root_label;
++ }
++ return;
++}
++
++#ifdef CONFIG_TASKSTATS
++int gr_is_taskstats_denied(int pid)
++{
++ struct task_struct *task;
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ const struct cred *cred;
++#endif
++ int ret = 0;
++
++ /* restrict taskstats viewing to un-chrooted root users
++ who have the 'view' subject flag if the RBAC system is enabled
++ */
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ task = find_task_by_vpid(pid);
++ if (task) {
++#ifdef CONFIG_GRKERNSEC_CHROOT
++ if (proc_is_chrooted(task))
++ ret = -EACCES;
++#endif
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ cred = __task_cred(task);
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID))
++ ret = -EACCES;
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID) && !groups_search(cred->group_info, grsec_proc_gid))
++ ret = -EACCES;
++#endif
++#endif
++ if (gr_status & GR_READY) {
++ if (!(task->acl->mode & GR_VIEW))
++ ret = -EACCES;
++ }
++ } else
++ ret = -ENOENT;
++
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++
++ return ret;
++}
++#endif
++
++/* AUXV entries are filled via a descendant of search_binary_handler
++ after we've already applied the subject for the target
++*/
++int gr_acl_enable_at_secure(void)
++{
++ if (unlikely(!(gr_status & GR_READY)))
++ return 0;
++
++ if (current->acl->mode & GR_ATSECURE)
++ return 1;
++
++ return 0;
++}
++
++int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const ino_t ino)
++{
++ struct task_struct *task = current;
++ struct dentry *dentry = file->f_path.dentry;
++ struct vfsmount *mnt = file->f_path.mnt;
++ struct acl_object_label *obj, *tmp;
++ struct acl_subject_label *subj;
++ unsigned int bufsize;
++ int is_not_root;
++ char *path;
++ dev_t dev = __get_dev(dentry);
++
++ if (unlikely(!(gr_status & GR_READY)))
++ return 1;
++
++ if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))
++ return 1;
++
++ /* ignore Eric Biederman */
++ if (IS_PRIVATE(dentry->d_inode))
++ return 1;
++
++ subj = task->acl;
++ read_lock(&gr_inode_lock);
++ do {
++ obj = lookup_acl_obj_label(ino, dev, subj);
++ if (obj != NULL) {
++ read_unlock(&gr_inode_lock);
++ return (obj->mode & GR_FIND) ? 1 : 0;
++ }
++ } while ((subj = subj->parent_subject));
++ read_unlock(&gr_inode_lock);
++
++ /* this is purely an optimization since we're looking for an object
++ for the directory we're doing a readdir on
++ if it's possible for any globbed object to match the entry we're
++ filling into the directory, then the object we find here will be
++ an anchor point with attached globbed objects
++ */
++ obj = chk_obj_label_noglob(dentry, mnt, task->acl);
++ if (obj->globbed == NULL)
++ return (obj->mode & GR_FIND) ? 1 : 0;
++
++ is_not_root = ((obj->filename[0] == '/') &&
++ (obj->filename[1] == '\0')) ? 0 : 1;
++ bufsize = PAGE_SIZE - namelen - is_not_root;
++
++ /* check bufsize > PAGE_SIZE || bufsize == 0 */
++ if (unlikely((bufsize - 1) > (PAGE_SIZE - 1)))
++ return 1;
++
++ preempt_disable();
++ path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
++ bufsize);
++
++ bufsize = strlen(path);
++
++ /* if base is "/", don't append an additional slash */
++ if (is_not_root)
++ *(path + bufsize) = '/';
++ memcpy(path + bufsize + is_not_root, name, namelen);
++ *(path + bufsize + namelen + is_not_root) = '\0';
++
++ tmp = obj->globbed;
++ while (tmp) {
++ if (!glob_match(tmp->filename, path)) {
++ preempt_enable();
++ return (tmp->mode & GR_FIND) ? 1 : 0;
++ }
++ tmp = tmp->next;
++ }
++ preempt_enable();
++ return (obj->mode & GR_FIND) ? 1 : 0;
++}
++
++#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE
++EXPORT_SYMBOL(gr_acl_is_enabled);
++#endif
++EXPORT_SYMBOL(gr_learn_resource);
++EXPORT_SYMBOL(gr_set_kernel_label);
++#ifdef CONFIG_SECURITY
++EXPORT_SYMBOL(gr_check_user_change);
++EXPORT_SYMBOL(gr_check_group_change);
++#endif
++
+diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c
+new file mode 100644
+index 0000000..34fefda
+--- /dev/null
++++ b/grsecurity/gracl_alloc.c
+@@ -0,0 +1,105 @@
++#include <linux/kernel.h>
++#include <linux/mm.h>
++#include <linux/slab.h>
++#include <linux/vmalloc.h>
++#include <linux/gracl.h>
++#include <linux/grsecurity.h>
++
++static unsigned long alloc_stack_next = 1;
++static unsigned long alloc_stack_size = 1;
++static void **alloc_stack;
++
++static __inline__ int
++alloc_pop(void)
++{
++ if (alloc_stack_next == 1)
++ return 0;
++
++ kfree(alloc_stack[alloc_stack_next - 2]);
++
++ alloc_stack_next--;
++
++ return 1;
++}
++
++static __inline__ int
++alloc_push(void *buf)
++{
++ if (alloc_stack_next >= alloc_stack_size)
++ return 1;
++
++ alloc_stack[alloc_stack_next - 1] = buf;
++
++ alloc_stack_next++;
++
++ return 0;
++}
++
++void *
++acl_alloc(unsigned long len)
++{
++ void *ret = NULL;
++
++ if (!len || len > PAGE_SIZE)
++ goto out;
++
++ ret = kmalloc(len, GFP_KERNEL);
++
++ if (ret) {
++ if (alloc_push(ret)) {
++ kfree(ret);
++ ret = NULL;
++ }
++ }
++
++out:
++ return ret;
++}
++
++void *
++acl_alloc_num(unsigned long num, unsigned long len)
++{
++ if (!len || (num > (PAGE_SIZE / len)))
++ return NULL;
++
++ return acl_alloc(num * len);
++}
++
++void
++acl_free_all(void)
++{
++ if (gr_acl_is_enabled() || !alloc_stack)
++ return;
++
++ while (alloc_pop()) ;
++
++ if (alloc_stack) {
++ if ((alloc_stack_size * sizeof (void *)) <= PAGE_SIZE)
++ kfree(alloc_stack);
++ else
++ vfree(alloc_stack);
++ }
++
++ alloc_stack = NULL;
++ alloc_stack_size = 1;
++ alloc_stack_next = 1;
++
++ return;
++}
++
++int
++acl_alloc_stack_init(unsigned long size)
++{
++ if ((size * sizeof (void *)) <= PAGE_SIZE)
++ alloc_stack =
++ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL);
++ else
++ alloc_stack = (void **) vmalloc(size * sizeof (void *));
++
++ alloc_stack_size = size;
++
++ if (!alloc_stack)
++ return 0;
++ else
++ return 1;
++}
+diff --git a/grsecurity/gracl_cap.c b/grsecurity/gracl_cap.c
+new file mode 100644
+index 0000000..6d21049
+--- /dev/null
++++ b/grsecurity/gracl_cap.c
+@@ -0,0 +1,110 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/sched.h>
++#include <linux/gracl.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++extern const char *captab_log[];
++extern int captab_log_entries;
++
++int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
++{
++ struct acl_subject_label *curracl;
++ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
++ kernel_cap_t cap_audit = __cap_empty_set;
++
++ if (!gr_acl_is_enabled())
++ return 1;
++
++ curracl = task->acl;
++
++ cap_drop = curracl->cap_lower;
++ cap_mask = curracl->cap_mask;
++ cap_audit = curracl->cap_invert_audit;
++
++ while ((curracl = curracl->parent_subject)) {
++ /* if the cap isn't specified in the current computed mask but is specified in the
++ current level subject, and is lowered in the current level subject, then add
++ it to the set of dropped capabilities
++ otherwise, add the current level subject's mask to the current computed mask
++ */
++ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
++ cap_raise(cap_mask, cap);
++ if (cap_raised(curracl->cap_lower, cap))
++ cap_raise(cap_drop, cap);
++ if (cap_raised(curracl->cap_invert_audit, cap))
++ cap_raise(cap_audit, cap);
++ }
++ }
++
++ if (!cap_raised(cap_drop, cap)) {
++ if (cap_raised(cap_audit, cap))
++ gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]);
++ return 1;
++ }
++
++ curracl = task->acl;
++
++ if ((curracl->mode & (GR_LEARN | GR_INHERITLEARN))
++ && cap_raised(cred->cap_effective, cap)) {
++ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
++ task->role->roletype, cred->uid,
++ cred->gid, task->exec_file ?
++ gr_to_filename(task->exec_file->f_path.dentry,
++ task->exec_file->f_path.mnt) : curracl->filename,
++ curracl->filename, 0UL,
++ 0UL, "", (unsigned long) cap, &task->signal->saved_ip);
++ return 1;
++ }
++
++ if ((cap >= 0) && (cap < captab_log_entries) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap))
++ gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]);
++
++ return 0;
++}
++
++int
++gr_acl_is_capable(const int cap)
++{
++ return gr_task_acl_is_capable(current, current_cred(), cap);
++}
++
++int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap)
++{
++ struct acl_subject_label *curracl;
++ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
++
++ if (!gr_acl_is_enabled())
++ return 1;
++
++ curracl = task->acl;
++
++ cap_drop = curracl->cap_lower;
++ cap_mask = curracl->cap_mask;
++
++ while ((curracl = curracl->parent_subject)) {
++ /* if the cap isn't specified in the current computed mask but is specified in the
++ current level subject, and is lowered in the current level subject, then add
++ it to the set of dropped capabilities
++ otherwise, add the current level subject's mask to the current computed mask
++ */
++ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
++ cap_raise(cap_mask, cap);
++ if (cap_raised(curracl->cap_lower, cap))
++ cap_raise(cap_drop, cap);
++ }
++ }
++
++ if (!cap_raised(cap_drop, cap))
++ return 1;
++
++ return 0;
++}
++
++int
++gr_acl_is_capable_nolog(const int cap)
++{
++ return gr_task_acl_is_capable_nolog(current, cap);
++}
++
+diff --git a/grsecurity/gracl_fs.c b/grsecurity/gracl_fs.c
+new file mode 100644
+index 0000000..d28e241
+--- /dev/null
++++ b/grsecurity/gracl_fs.c
+@@ -0,0 +1,437 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/types.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/stat.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++#include <linux/gracl.h>
++
++umode_t
++gr_acl_umask(void)
++{
++ if (unlikely(!gr_acl_is_enabled()))
++ return 0;
++
++ return current->role->umask;
++}
++
++__u32
++gr_acl_handle_hidden_file(const struct dentry * dentry,
++ const struct vfsmount * mnt)
++{
++ __u32 mode;
++
++ if (unlikely(!dentry->d_inode))
++ return GR_FIND;
++
++ mode =
++ gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt);
++
++ if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) {
++ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
++ return mode;
++ } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
++ return 0;
++ } else if (unlikely(!(mode & GR_FIND)))
++ return 0;
++
++ return GR_FIND;
++}
++
++__u32
++gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
++ int acc_mode)
++{
++ __u32 reqmode = GR_FIND;
++ __u32 mode;
++
++ if (unlikely(!dentry->d_inode))
++ return reqmode;
++
++ if (acc_mode & MAY_APPEND)
++ reqmode |= GR_APPEND;
++ else if (acc_mode & MAY_WRITE)
++ reqmode |= GR_WRITE;
++ if ((acc_mode & MAY_READ) && !S_ISDIR(dentry->d_inode->i_mode))
++ reqmode |= GR_READ;
++
++ mode =
++ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
++ mnt);
++
++ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
++ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : reqmode &
++ GR_APPEND ? " appending" : "");
++ return reqmode;
++ } else
++ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
++ {
++ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : reqmode &
++ GR_APPEND ? " appending" : "");
++ return 0;
++ } else if (unlikely((mode & reqmode) != reqmode))
++ return 0;
++
++ return reqmode;
++}
++
++__u32
++gr_acl_handle_creat(const struct dentry * dentry,
++ const struct dentry * p_dentry,
++ const struct vfsmount * p_mnt, int open_flags, int acc_mode,
++ const int imode)
++{
++ __u32 reqmode = GR_WRITE | GR_CREATE;
++ __u32 mode;
++
++ if (acc_mode & MAY_APPEND)
++ reqmode |= GR_APPEND;
++ // if a directory was required or the directory already exists, then
++ // don't count this open as a read
++ if ((acc_mode & MAY_READ) &&
++ !((open_flags & O_DIRECTORY) || (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode))))
++ reqmode |= GR_READ;
++ if ((open_flags & O_CREAT) &&
++ ((imode & S_ISUID) || ((imode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
++ reqmode |= GR_SETID;
++
++ mode =
++ gr_check_create(dentry, p_dentry, p_mnt,
++ reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
++
++ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
++ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : reqmode &
++ GR_APPEND ? " appending" : "");
++ return reqmode;
++ } else
++ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
++ {
++ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : reqmode &
++ GR_APPEND ? " appending" : "");
++ return 0;
++ } else if (unlikely((mode & reqmode) != reqmode))
++ return 0;
++
++ return reqmode;
++}
++
++__u32
++gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt,
++ const int fmode)
++{
++ __u32 mode, reqmode = GR_FIND;
++
++ if ((fmode & S_IXOTH) && !S_ISDIR(dentry->d_inode->i_mode))
++ reqmode |= GR_EXEC;
++ if (fmode & S_IWOTH)
++ reqmode |= GR_WRITE;
++ if (fmode & S_IROTH)
++ reqmode |= GR_READ;
++
++ mode =
++ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
++ mnt);
++
++ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
++ gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : "",
++ reqmode & GR_EXEC ? " executing" : "");
++ return reqmode;
++ } else
++ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
++ {
++ gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
++ reqmode & GR_READ ? " reading" : "",
++ reqmode & GR_WRITE ? " writing" : "",
++ reqmode & GR_EXEC ? " executing" : "");
++ return 0;
++ } else if (unlikely((mode & reqmode) != reqmode))
++ return 0;
++
++ return reqmode;
++}
++
++static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt)
++{
++ __u32 mode;
++
++ mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt);
++
++ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
++ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt);
++ return mode;
++ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt);
++ return 0;
++ } else if (unlikely((mode & (reqmode)) != (reqmode)))
++ return 0;
++
++ return (reqmode);
++}
++
++__u32
++gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt,
++ umode_t *modeptr)
++{
++ umode_t mode;
++
++ *modeptr &= ~gr_acl_umask();
++ mode = *modeptr;
++
++ if (unlikely(dentry->d_inode && S_ISSOCK(dentry->d_inode->i_mode)))
++ return 1;
++
++ if (unlikely(dentry->d_inode && !S_ISDIR(dentry->d_inode->i_mode) &&
++ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))) {
++ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID,
++ GR_CHMOD_ACL_MSG);
++ } else {
++ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG);
++ }
++}
++
++__u32
++gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE,
++ GR_UNIXCONNECT_ACL_MSG);
++}
++
++/* hardlinks require at minimum create and link permission,
++ any additional privilege required is based on the
++ privilege of the file being linked to
++*/
++__u32
++gr_acl_handle_link(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt,
++ const struct dentry * old_dentry,
++ const struct vfsmount * old_mnt, const char *to)
++{
++ __u32 mode;
++ __u32 needmode = GR_CREATE | GR_LINK;
++ __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK;
++
++ mode =
++ gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry,
++ old_mnt);
++
++ if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) {
++ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to);
++ return mode;
++ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to);
++ return 0;
++ } else if (unlikely((mode & needmode) != needmode))
++ return 0;
++
++ return 1;
++}
++
++__u32
++gr_acl_handle_symlink(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt, const char *from)
++{
++ __u32 needmode = GR_WRITE | GR_CREATE;
++ __u32 mode;
++
++ mode =
++ gr_check_create(new_dentry, parent_dentry, parent_mnt,
++ GR_CREATE | GR_AUDIT_CREATE |
++ GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS);
++
++ if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) {
++ gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt);
++ return mode;
++ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt);
++ return 0;
++ } else if (unlikely((mode & needmode) != needmode))
++ return 0;
++
++ return (GR_WRITE | GR_CREATE);
++}
++
++static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt)
++{
++ __u32 mode;
++
++ mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
++
++ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
++ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt);
++ return mode;
++ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
++ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt);
++ return 0;
++ } else if (unlikely((mode & (reqmode)) != (reqmode)))
++ return 0;
++
++ return (reqmode);
++}
++
++__u32
++gr_acl_handle_mknod(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt,
++ const int mode)
++{
++ __u32 reqmode = GR_WRITE | GR_CREATE;
++ if (unlikely((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
++ reqmode |= GR_SETID;
++
++ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
++ reqmode, GR_MKNOD_ACL_MSG);
++}
++
++__u32
++gr_acl_handle_mkdir(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt)
++{
++ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
++ GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG);
++}
++
++#define RENAME_CHECK_SUCCESS(old, new) \
++ (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \
++ ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)))
++
++int
++gr_acl_handle_rename(struct dentry *new_dentry,
++ struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ struct dentry *old_dentry,
++ struct inode *old_parent_inode,
++ struct vfsmount *old_mnt, const char *newname)
++{
++ __u32 comp1, comp2;
++ int error = 0;
++
++ if (unlikely(!gr_acl_is_enabled()))
++ return 0;
++
++ if (!new_dentry->d_inode) {
++ comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt,
++ GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ |
++ GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS);
++ comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE |
++ GR_DELETE | GR_AUDIT_DELETE |
++ GR_AUDIT_READ | GR_AUDIT_WRITE |
++ GR_SUPPRESS, old_mnt);
++ } else {
++ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE |
++ GR_CREATE | GR_DELETE |
++ GR_AUDIT_CREATE | GR_AUDIT_DELETE |
++ GR_AUDIT_READ | GR_AUDIT_WRITE |
++ GR_SUPPRESS, parent_mnt);
++ comp2 =
++ gr_search_file(old_dentry,
++ GR_READ | GR_WRITE | GR_AUDIT_READ |
++ GR_DELETE | GR_AUDIT_DELETE |
++ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt);
++ }
++
++ if (RENAME_CHECK_SUCCESS(comp1, comp2) &&
++ ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS)))
++ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname);
++ else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS)
++ && !(comp2 & GR_SUPPRESS)) {
++ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname);
++ error = -EACCES;
++ } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2)))
++ error = -EACCES;
++
++ return error;
++}
++
++void
++gr_acl_handle_exit(void)
++{
++ u16 id;
++ char *rolename;
++ struct file *exec_file;
++
++ if (unlikely(current->acl_sp_role && gr_acl_is_enabled() &&
++ !(current->role->roletype & GR_ROLE_PERSIST))) {
++ id = current->acl_role_id;
++ rolename = current->role->rolename;
++ gr_set_acls(1);
++ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id);
++ }
++
++ write_lock(&grsec_exec_file_lock);
++ exec_file = current->exec_file;
++ current->exec_file = NULL;
++ write_unlock(&grsec_exec_file_lock);
++
++ if (exec_file)
++ fput(exec_file);
++}
++
++int
++gr_acl_handle_procpidmem(const struct task_struct *task)
++{
++ if (unlikely(!gr_acl_is_enabled()))
++ return 0;
++
++ if (task != current && task->acl->mode & GR_PROTPROCFD)
++ return -EACCES;
++
++ return 0;
++}
+diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c
+new file mode 100644
+index 0000000..58800a7
+--- /dev/null
++++ b/grsecurity/gracl_ip.c
+@@ -0,0 +1,384 @@
++#include <linux/kernel.h>
++#include <asm/uaccess.h>
++#include <asm/errno.h>
++#include <net/sock.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/net.h>
++#include <linux/in.h>
++#include <linux/skbuff.h>
++#include <linux/ip.h>
++#include <linux/udp.h>
++#include <linux/types.h>
++#include <linux/sched.h>
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <linux/gracl.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++#define GR_BIND 0x01
++#define GR_CONNECT 0x02
++#define GR_INVERT 0x04
++#define GR_BINDOVERRIDE 0x08
++#define GR_CONNECTOVERRIDE 0x10
++#define GR_SOCK_FAMILY 0x20
++
++static const char * gr_protocols[IPPROTO_MAX] = {
++ "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt",
++ "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet",
++ "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1",
++ "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp",
++ "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++",
++ "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre",
++ "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile",
++ "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63",
++ "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv",
++ "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak",
++ "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf",
++ "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp",
++ "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim",
++ "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip",
++ "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp",
++ "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup",
++ "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135",
++ "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143",
++ "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151",
++ "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159",
++ "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167",
++ "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175",
++ "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183",
++ "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191",
++ "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199",
++ "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207",
++ "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215",
++ "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223",
++ "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231",
++ "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239",
++ "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247",
++ "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255",
++ };
++
++static const char * gr_socktypes[SOCK_MAX] = {
++ "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6",
++ "unknown:7", "unknown:8", "unknown:9", "packet"
++ };
++
++static const char * gr_sockfamilies[AF_MAX+1] = {
++ "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25",
++ "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash",
++ "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28",
++ "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf"
++ };
++
++const char *
++gr_proto_to_name(unsigned char proto)
++{
++ return gr_protocols[proto];
++}
++
++const char *
++gr_socktype_to_name(unsigned char type)
++{
++ return gr_socktypes[type];
++}
++
++const char *
++gr_sockfamily_to_name(unsigned char family)
++{
++ return gr_sockfamilies[family];
++}
++
++int
++gr_search_socket(const int domain, const int type, const int protocol)
++{
++ struct acl_subject_label *curr;
++ const struct cred *cred = current_cred();
++
++ if (unlikely(!gr_acl_is_enabled()))
++ goto exit;
++
++ if ((domain < 0) || (type < 0) || (protocol < 0) ||
++ (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX))
++ goto exit; // let the kernel handle it
++
++ curr = current->acl;
++
++ if (curr->sock_families[domain / 32] & (1 << (domain % 32))) {
++ /* the family is allowed, if this is PF_INET allow it only if
++ the extra sock type/protocol checks pass */
++ if (domain == PF_INET)
++ goto inet_check;
++ goto exit;
++ } else {
++ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
++ __u32 fakeip = 0;
++ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
++ current->role->roletype, cred->uid,
++ cred->gid, current->exec_file ?
++ gr_to_filename(current->exec_file->f_path.dentry,
++ current->exec_file->f_path.mnt) :
++ curr->filename, curr->filename,
++ &fakeip, domain, 0, 0, GR_SOCK_FAMILY,
++ ¤t->signal->saved_ip);
++ goto exit;
++ }
++ goto exit_fail;
++ }
++
++inet_check:
++ /* the rest of this checking is for IPv4 only */
++ if (!curr->ips)
++ goto exit;
++
++ if ((curr->ip_type & (1 << type)) &&
++ (curr->ip_proto[protocol / 32] & (1 << (protocol % 32))))
++ goto exit;
++
++ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
++ /* we don't place acls on raw sockets , and sometimes
++ dgram/ip sockets are opened for ioctl and not
++ bind/connect, so we'll fake a bind learn log */
++ if (type == SOCK_RAW || type == SOCK_PACKET) {
++ __u32 fakeip = 0;
++ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
++ current->role->roletype, cred->uid,
++ cred->gid, current->exec_file ?
++ gr_to_filename(current->exec_file->f_path.dentry,
++ current->exec_file->f_path.mnt) :
++ curr->filename, curr->filename,
++ &fakeip, 0, type,
++ protocol, GR_CONNECT, ¤t->signal->saved_ip);
++ } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) {
++ __u32 fakeip = 0;
++ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
++ current->role->roletype, cred->uid,
++ cred->gid, current->exec_file ?
++ gr_to_filename(current->exec_file->f_path.dentry,
++ current->exec_file->f_path.mnt) :
++ curr->filename, curr->filename,
++ &fakeip, 0, type,
++ protocol, GR_BIND, ¤t->signal->saved_ip);
++ }
++ /* we'll log when they use connect or bind */
++ goto exit;
++ }
++
++exit_fail:
++ if (domain == PF_INET)
++ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain),
++ gr_socktype_to_name(type), gr_proto_to_name(protocol));
++ else
++ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain),
++ gr_socktype_to_name(type), protocol);
++
++ return 0;
++exit:
++ return 1;
++}
++
++int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask)
++{
++ if ((ip->mode & mode) &&
++ (ip_port >= ip->low) &&
++ (ip_port <= ip->high) &&
++ ((ntohl(ip_addr) & our_netmask) ==
++ (ntohl(our_addr) & our_netmask))
++ && (ip->proto[protocol / 32] & (1 << (protocol % 32)))
++ && (ip->type & (1 << type))) {
++ if (ip->mode & GR_INVERT)
++ return 2; // specifically denied
++ else
++ return 1; // allowed
++ }
++
++ return 0; // not specifically allowed, may continue parsing
++}
++
++static int
++gr_search_connectbind(const int full_mode, struct sock *sk,
++ struct sockaddr_in *addr, const int type)
++{
++ char iface[IFNAMSIZ] = {0};
++ struct acl_subject_label *curr;
++ struct acl_ip_label *ip;
++ struct inet_sock *isk;
++ struct net_device *dev;
++ struct in_device *idev;
++ unsigned long i;
++ int ret;
++ int mode = full_mode & (GR_BIND | GR_CONNECT);
++ __u32 ip_addr = 0;
++ __u32 our_addr;
++ __u32 our_netmask;
++ char *p;
++ __u16 ip_port = 0;
++ const struct cred *cred = current_cred();
++
++ if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET))
++ return 0;
++
++ curr = current->acl;
++ isk = inet_sk(sk);
++
++ /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */
++ if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0)
++ addr->sin_addr.s_addr = curr->inaddr_any_override;
++ if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) {
++ struct sockaddr_in saddr;
++ int err;
++
++ saddr.sin_family = AF_INET;
++ saddr.sin_addr.s_addr = curr->inaddr_any_override;
++ saddr.sin_port = isk->inet_sport;
++
++ err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
++ if (err)
++ return err;
++
++ err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
++ if (err)
++ return err;
++ }
++
++ if (!curr->ips)
++ return 0;
++
++ ip_addr = addr->sin_addr.s_addr;
++ ip_port = ntohs(addr->sin_port);
++
++ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
++ security_learn(GR_IP_LEARN_MSG, current->role->rolename,
++ current->role->roletype, cred->uid,
++ cred->gid, current->exec_file ?
++ gr_to_filename(current->exec_file->f_path.dentry,
++ current->exec_file->f_path.mnt) :
++ curr->filename, curr->filename,
++ &ip_addr, ip_port, type,
++ sk->sk_protocol, mode, ¤t->signal->saved_ip);
++ return 0;
++ }
++
++ for (i = 0; i < curr->ip_num; i++) {
++ ip = *(curr->ips + i);
++ if (ip->iface != NULL) {
++ strncpy(iface, ip->iface, IFNAMSIZ - 1);
++ p = strchr(iface, ':');
++ if (p != NULL)
++ *p = '\0';
++ dev = dev_get_by_name(sock_net(sk), iface);
++ if (dev == NULL)
++ continue;
++ idev = in_dev_get(dev);
++ if (idev == NULL) {
++ dev_put(dev);
++ continue;
++ }
++ rcu_read_lock();
++ for_ifa(idev) {
++ if (!strcmp(ip->iface, ifa->ifa_label)) {
++ our_addr = ifa->ifa_address;
++ our_netmask = 0xffffffff;
++ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
++ if (ret == 1) {
++ rcu_read_unlock();
++ in_dev_put(idev);
++ dev_put(dev);
++ return 0;
++ } else if (ret == 2) {
++ rcu_read_unlock();
++ in_dev_put(idev);
++ dev_put(dev);
++ goto denied;
++ }
++ }
++ } endfor_ifa(idev);
++ rcu_read_unlock();
++ in_dev_put(idev);
++ dev_put(dev);
++ } else {
++ our_addr = ip->addr;
++ our_netmask = ip->netmask;
++ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
++ if (ret == 1)
++ return 0;
++ else if (ret == 2)
++ goto denied;
++ }
++ }
++
++denied:
++ if (mode == GR_BIND)
++ gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
++ else if (mode == GR_CONNECT)
++ gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
++
++ return -EACCES;
++}
++
++int
++gr_search_connect(struct socket *sock, struct sockaddr_in *addr)
++{
++ /* always allow disconnection of dgram sockets with connect */
++ if (addr->sin_family == AF_UNSPEC)
++ return 0;
++ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type);
++}
++
++int
++gr_search_bind(struct socket *sock, struct sockaddr_in *addr)
++{
++ return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type);
++}
++
++int gr_search_listen(struct socket *sock)
++{
++ struct sock *sk = sock->sk;
++ struct sockaddr_in addr;
++
++ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
++ addr.sin_port = inet_sk(sk)->inet_sport;
++
++ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
++}
++
++int gr_search_accept(struct socket *sock)
++{
++ struct sock *sk = sock->sk;
++ struct sockaddr_in addr;
++
++ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
++ addr.sin_port = inet_sk(sk)->inet_sport;
++
++ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
++}
++
++int
++gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr)
++{
++ if (addr)
++ return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM);
++ else {
++ struct sockaddr_in sin;
++ const struct inet_sock *inet = inet_sk(sk);
++
++ sin.sin_addr.s_addr = inet->inet_daddr;
++ sin.sin_port = inet->inet_dport;
++
++ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
++ }
++}
++
++int
++gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb)
++{
++ struct sockaddr_in sin;
++
++ if (unlikely(skb->len < sizeof (struct udphdr)))
++ return 0; // skip this packet
++
++ sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin.sin_port = udp_hdr(skb)->source;
++
++ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
++}
+diff --git a/grsecurity/gracl_learn.c b/grsecurity/gracl_learn.c
+new file mode 100644
+index 0000000..25f54ef
+--- /dev/null
++++ b/grsecurity/gracl_learn.c
+@@ -0,0 +1,207 @@
++#include <linux/kernel.h>
++#include <linux/mm.h>
++#include <linux/sched.h>
++#include <linux/poll.h>
++#include <linux/string.h>
++#include <linux/file.h>
++#include <linux/types.h>
++#include <linux/vmalloc.h>
++#include <linux/grinternal.h>
++
++extern ssize_t write_grsec_handler(struct file * file, const char __user * buf,
++ size_t count, loff_t *ppos);
++extern int gr_acl_is_enabled(void);
++
++static DECLARE_WAIT_QUEUE_HEAD(learn_wait);
++static int gr_learn_attached;
++
++/* use a 512k buffer */
++#define LEARN_BUFFER_SIZE (512 * 1024)
++
++static DEFINE_SPINLOCK(gr_learn_lock);
++static DEFINE_MUTEX(gr_learn_user_mutex);
++
++/* we need to maintain two buffers, so that the kernel context of grlearn
++ uses a semaphore around the userspace copying, and the other kernel contexts
++ use a spinlock when copying into the buffer, since they cannot sleep
++*/
++static char *learn_buffer;
++static char *learn_buffer_user;
++static int learn_buffer_len;
++static int learn_buffer_user_len;
++
++static ssize_t
++read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos)
++{
++ DECLARE_WAITQUEUE(wait, current);
++ ssize_t retval = 0;
++
++ add_wait_queue(&learn_wait, &wait);
++ set_current_state(TASK_INTERRUPTIBLE);
++ do {
++ mutex_lock(&gr_learn_user_mutex);
++ spin_lock(&gr_learn_lock);
++ if (learn_buffer_len)
++ break;
++ spin_unlock(&gr_learn_lock);
++ mutex_unlock(&gr_learn_user_mutex);
++ if (file->f_flags & O_NONBLOCK) {
++ retval = -EAGAIN;
++ goto out;
++ }
++ if (signal_pending(current)) {
++ retval = -ERESTARTSYS;
++ goto out;
++ }
++
++ schedule();
++ } while (1);
++
++ memcpy(learn_buffer_user, learn_buffer, learn_buffer_len);
++ learn_buffer_user_len = learn_buffer_len;
++ retval = learn_buffer_len;
++ learn_buffer_len = 0;
++
++ spin_unlock(&gr_learn_lock);
++
++ if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len))
++ retval = -EFAULT;
++
++ mutex_unlock(&gr_learn_user_mutex);
++out:
++ set_current_state(TASK_RUNNING);
++ remove_wait_queue(&learn_wait, &wait);
++ return retval;
++}
++
++static unsigned int
++poll_learn(struct file * file, poll_table * wait)
++{
++ poll_wait(file, &learn_wait, wait);
++
++ if (learn_buffer_len)
++ return (POLLIN | POLLRDNORM);
++
++ return 0;
++}
++
++void
++gr_clear_learn_entries(void)
++{
++ char *tmp;
++
++ mutex_lock(&gr_learn_user_mutex);
++ spin_lock(&gr_learn_lock);
++ tmp = learn_buffer;
++ learn_buffer = NULL;
++ spin_unlock(&gr_learn_lock);
++ if (tmp)
++ vfree(tmp);
++ if (learn_buffer_user != NULL) {
++ vfree(learn_buffer_user);
++ learn_buffer_user = NULL;
++ }
++ learn_buffer_len = 0;
++ mutex_unlock(&gr_learn_user_mutex);
++
++ return;
++}
++
++void
++gr_add_learn_entry(const char *fmt, ...)
++{
++ va_list args;
++ unsigned int len;
++
++ if (!gr_learn_attached)
++ return;
++
++ spin_lock(&gr_learn_lock);
++
++ /* leave a gap at the end so we know when it's "full" but don't have to
++ compute the exact length of the string we're trying to append
++ */
++ if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) {
++ spin_unlock(&gr_learn_lock);
++ wake_up_interruptible(&learn_wait);
++ return;
++ }
++ if (learn_buffer == NULL) {
++ spin_unlock(&gr_learn_lock);
++ return;
++ }
++
++ va_start(args, fmt);
++ len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args);
++ va_end(args);
++
++ learn_buffer_len += len + 1;
++
++ spin_unlock(&gr_learn_lock);
++ wake_up_interruptible(&learn_wait);
++
++ return;
++}
++
++static int
++open_learn(struct inode *inode, struct file *file)
++{
++ if (file->f_mode & FMODE_READ && gr_learn_attached)
++ return -EBUSY;
++ if (file->f_mode & FMODE_READ) {
++ int retval = 0;
++ mutex_lock(&gr_learn_user_mutex);
++ if (learn_buffer == NULL)
++ learn_buffer = vmalloc(LEARN_BUFFER_SIZE);
++ if (learn_buffer_user == NULL)
++ learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE);
++ if (learn_buffer == NULL) {
++ retval = -ENOMEM;
++ goto out_error;
++ }
++ if (learn_buffer_user == NULL) {
++ retval = -ENOMEM;
++ goto out_error;
++ }
++ learn_buffer_len = 0;
++ learn_buffer_user_len = 0;
++ gr_learn_attached = 1;
++out_error:
++ mutex_unlock(&gr_learn_user_mutex);
++ return retval;
++ }
++ return 0;
++}
++
++static int
++close_learn(struct inode *inode, struct file *file)
++{
++ if (file->f_mode & FMODE_READ) {
++ char *tmp = NULL;
++ mutex_lock(&gr_learn_user_mutex);
++ spin_lock(&gr_learn_lock);
++ tmp = learn_buffer;
++ learn_buffer = NULL;
++ spin_unlock(&gr_learn_lock);
++ if (tmp)
++ vfree(tmp);
++ if (learn_buffer_user != NULL) {
++ vfree(learn_buffer_user);
++ learn_buffer_user = NULL;
++ }
++ learn_buffer_len = 0;
++ learn_buffer_user_len = 0;
++ gr_learn_attached = 0;
++ mutex_unlock(&gr_learn_user_mutex);
++ }
++
++ return 0;
++}
++
++const struct file_operations grsec_fops = {
++ .read = read_learn,
++ .write = write_grsec_handler,
++ .open = open_learn,
++ .release = close_learn,
++ .poll = poll_learn,
++};
+diff --git a/grsecurity/gracl_res.c b/grsecurity/gracl_res.c
+new file mode 100644
+index 0000000..39645c9
+--- /dev/null
++++ b/grsecurity/gracl_res.c
+@@ -0,0 +1,68 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/gracl.h>
++#include <linux/grinternal.h>
++
++static const char *restab_log[] = {
++ [RLIMIT_CPU] = "RLIMIT_CPU",
++ [RLIMIT_FSIZE] = "RLIMIT_FSIZE",
++ [RLIMIT_DATA] = "RLIMIT_DATA",
++ [RLIMIT_STACK] = "RLIMIT_STACK",
++ [RLIMIT_CORE] = "RLIMIT_CORE",
++ [RLIMIT_RSS] = "RLIMIT_RSS",
++ [RLIMIT_NPROC] = "RLIMIT_NPROC",
++ [RLIMIT_NOFILE] = "RLIMIT_NOFILE",
++ [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK",
++ [RLIMIT_AS] = "RLIMIT_AS",
++ [RLIMIT_LOCKS] = "RLIMIT_LOCKS",
++ [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING",
++ [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE",
++ [RLIMIT_NICE] = "RLIMIT_NICE",
++ [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO",
++ [RLIMIT_RTTIME] = "RLIMIT_RTTIME",
++ [GR_CRASH_RES] = "RLIMIT_CRASH"
++};
++
++void
++gr_log_resource(const struct task_struct *task,
++ const int res, const unsigned long wanted, const int gt)
++{
++ const struct cred *cred;
++ unsigned long rlim;
++
++ if (!gr_acl_is_enabled() && !grsec_resource_logging)
++ return;
++
++ // not yet supported resource
++ if (unlikely(!restab_log[res]))
++ return;
++
++ if (res == RLIMIT_CPU || res == RLIMIT_RTTIME)
++ rlim = task_rlimit_max(task, res);
++ else
++ rlim = task_rlimit(task, res);
++
++ if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim)))
++ return;
++
++ rcu_read_lock();
++ cred = __task_cred(task);
++
++ if (res == RLIMIT_NPROC &&
++ (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) ||
++ cap_raised(cred->cap_effective, CAP_SYS_RESOURCE)))
++ goto out_rcu_unlock;
++ else if (res == RLIMIT_MEMLOCK &&
++ cap_raised(cred->cap_effective, CAP_IPC_LOCK))
++ goto out_rcu_unlock;
++ else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE))
++ goto out_rcu_unlock;
++ rcu_read_unlock();
++
++ gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim);
++
++ return;
++out_rcu_unlock:
++ rcu_read_unlock();
++ return;
++}
+diff --git a/grsecurity/gracl_segv.c b/grsecurity/gracl_segv.c
+new file mode 100644
+index 0000000..25197e9
+--- /dev/null
++++ b/grsecurity/gracl_segv.c
+@@ -0,0 +1,299 @@
++#include <linux/kernel.h>
++#include <linux/mm.h>
++#include <asm/uaccess.h>
++#include <asm/errno.h>
++#include <asm/mman.h>
++#include <net/sock.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/net.h>
++#include <linux/in.h>
++#include <linux/slab.h>
++#include <linux/types.h>
++#include <linux/sched.h>
++#include <linux/timer.h>
++#include <linux/gracl.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++static struct crash_uid *uid_set;
++static unsigned short uid_used;
++static DEFINE_SPINLOCK(gr_uid_lock);
++extern rwlock_t gr_inode_lock;
++extern struct acl_subject_label *
++ lookup_acl_subj_label(const ino_t inode, const dev_t dev,
++ struct acl_role_label *role);
++
++#ifdef CONFIG_BTRFS_FS
++extern dev_t get_btrfs_dev_from_inode(struct inode *inode);
++extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
++#endif
++
++static inline dev_t __get_dev(const struct dentry *dentry)
++{
++#ifdef CONFIG_BTRFS_FS
++ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr)
++ return get_btrfs_dev_from_inode(dentry->d_inode);
++ else
++#endif
++ return dentry->d_inode->i_sb->s_dev;
++}
++
++int
++gr_init_uidset(void)
++{
++ uid_set =
++ kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL);
++ uid_used = 0;
++
++ return uid_set ? 1 : 0;
++}
++
++void
++gr_free_uidset(void)
++{
++ if (uid_set)
++ kfree(uid_set);
++
++ return;
++}
++
++int
++gr_find_uid(const uid_t uid)
++{
++ struct crash_uid *tmp = uid_set;
++ uid_t buid;
++ int low = 0, high = uid_used - 1, mid;
++
++ while (high >= low) {
++ mid = (low + high) >> 1;
++ buid = tmp[mid].uid;
++ if (buid == uid)
++ return mid;
++ if (buid > uid)
++ high = mid - 1;
++ if (buid < uid)
++ low = mid + 1;
++ }
++
++ return -1;
++}
++
++static __inline__ void
++gr_insertsort(void)
++{
++ unsigned short i, j;
++ struct crash_uid index;
++
++ for (i = 1; i < uid_used; i++) {
++ index = uid_set[i];
++ j = i;
++ while ((j > 0) && uid_set[j - 1].uid > index.uid) {
++ uid_set[j] = uid_set[j - 1];
++ j--;
++ }
++ uid_set[j] = index;
++ }
++
++ return;
++}
++
++static __inline__ void
++gr_insert_uid(const uid_t uid, const unsigned long expires)
++{
++ int loc;
++
++ if (uid_used == GR_UIDTABLE_MAX)
++ return;
++
++ loc = gr_find_uid(uid);
++
++ if (loc >= 0) {
++ uid_set[loc].expires = expires;
++ return;
++ }
++
++ uid_set[uid_used].uid = uid;
++ uid_set[uid_used].expires = expires;
++ uid_used++;
++
++ gr_insertsort();
++
++ return;
++}
++
++void
++gr_remove_uid(const unsigned short loc)
++{
++ unsigned short i;
++
++ for (i = loc + 1; i < uid_used; i++)
++ uid_set[i - 1] = uid_set[i];
++
++ uid_used--;
++
++ return;
++}
++
++int
++gr_check_crash_uid(const uid_t uid)
++{
++ int loc;
++ int ret = 0;
++
++ if (unlikely(!gr_acl_is_enabled()))
++ return 0;
++
++ spin_lock(&gr_uid_lock);
++ loc = gr_find_uid(uid);
++
++ if (loc < 0)
++ goto out_unlock;
++
++ if (time_before_eq(uid_set[loc].expires, get_seconds()))
++ gr_remove_uid(loc);
++ else
++ ret = 1;
++
++out_unlock:
++ spin_unlock(&gr_uid_lock);
++ return ret;
++}
++
++static __inline__ int
++proc_is_setxid(const struct cred *cred)
++{
++ if (!uid_eq(cred->uid, cred->euid) || !uid_eq(cred->uid, cred->suid) ||
++ !uid_eq(cred->uid, cred->fsuid))
++ return 1;
++ if (!uid_eq(cred->gid, cred->egid) || !uid_eq(cred->gid, cred->sgid) ||
++ !uid_eq(cred->gid, cred->fsgid))
++ return 1;
++
++ return 0;
++}
++
++extern int gr_fake_force_sig(int sig, struct task_struct *t);
++
++void
++gr_handle_crash(struct task_struct *task, const int sig)
++{
++ struct acl_subject_label *curr;
++ struct task_struct *tsk, *tsk2;
++ const struct cred *cred;
++ const struct cred *cred2;
++
++ if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL)
++ return;
++
++ if (unlikely(!gr_acl_is_enabled()))
++ return;
++
++ curr = task->acl;
++
++ if (!(curr->resmask & (1 << GR_CRASH_RES)))
++ return;
++
++ if (time_before_eq(curr->expires, get_seconds())) {
++ curr->expires = 0;
++ curr->crashes = 0;
++ }
++
++ curr->crashes++;
++
++ if (!curr->expires)
++ curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max;
++
++ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
++ time_after(curr->expires, get_seconds())) {
++ rcu_read_lock();
++ cred = __task_cred(task);
++ if (!uid_eq(cred->uid, GLOBAL_ROOT_UID) && proc_is_setxid(cred)) {
++ gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
++ spin_lock(&gr_uid_lock);
++ gr_insert_uid(cred->uid, curr->expires);
++ spin_unlock(&gr_uid_lock);
++ curr->expires = 0;
++ curr->crashes = 0;
++ read_lock(&tasklist_lock);
++ do_each_thread(tsk2, tsk) {
++ cred2 = __task_cred(tsk);
++ if (tsk != task && uid_eq(cred2->uid, cred->uid))
++ gr_fake_force_sig(SIGKILL, tsk);
++ } while_each_thread(tsk2, tsk);
++ read_unlock(&tasklist_lock);
++ } else {
++ gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++ do_each_thread(tsk2, tsk) {
++ if (likely(tsk != task)) {
++ // if this thread has the same subject as the one that triggered
++ // RES_CRASH and it's the same binary, kill it
++ if (tsk->acl == task->acl && tsk->exec_file == task->exec_file)
++ gr_fake_force_sig(SIGKILL, tsk);
++ }
++ } while_each_thread(tsk2, tsk);
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ }
++ rcu_read_unlock();
++ }
++
++ return;
++}
++
++int
++gr_check_crash_exec(const struct file *filp)
++{
++ struct acl_subject_label *curr;
++
++ if (unlikely(!gr_acl_is_enabled()))
++ return 0;
++
++ read_lock(&gr_inode_lock);
++ curr = lookup_acl_subj_label(filp->f_path.dentry->d_inode->i_ino,
++ __get_dev(filp->f_path.dentry),
++ current->role);
++ read_unlock(&gr_inode_lock);
++
++ if (!curr || !(curr->resmask & (1 << GR_CRASH_RES)) ||
++ (!curr->crashes && !curr->expires))
++ return 0;
++
++ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
++ time_after(curr->expires, get_seconds()))
++ return 1;
++ else if (time_before_eq(curr->expires, get_seconds())) {
++ curr->crashes = 0;
++ curr->expires = 0;
++ }
++
++ return 0;
++}
++
++void
++gr_handle_alertkill(struct task_struct *task)
++{
++ struct acl_subject_label *curracl;
++ __u32 curr_ip;
++ struct task_struct *p, *p2;
++
++ if (unlikely(!gr_acl_is_enabled()))
++ return;
++
++ curracl = task->acl;
++ curr_ip = task->signal->curr_ip;
++
++ if ((curracl->mode & GR_KILLIPPROC) && curr_ip) {
++ read_lock(&tasklist_lock);
++ do_each_thread(p2, p) {
++ if (p->signal->curr_ip == curr_ip)
++ gr_fake_force_sig(SIGKILL, p);
++ } while_each_thread(p2, p);
++ read_unlock(&tasklist_lock);
++ } else if (curracl->mode & GR_KILLPROC)
++ gr_fake_force_sig(SIGKILL, task);
++
++ return;
++}
+diff --git a/grsecurity/gracl_shm.c b/grsecurity/gracl_shm.c
+new file mode 100644
+index 0000000..9d83a69
+--- /dev/null
++++ b/grsecurity/gracl_shm.c
+@@ -0,0 +1,40 @@
++#include <linux/kernel.h>
++#include <linux/mm.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/ipc.h>
++#include <linux/gracl.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++int
++gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
++ const time_t shm_createtime, const uid_t cuid, const int shmid)
++{
++ struct task_struct *task;
++
++ if (!gr_acl_is_enabled())
++ return 1;
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++
++ task = find_task_by_vpid(shm_cprid);
++
++ if (unlikely(!task))
++ task = find_task_by_vpid(shm_lapid);
++
++ if (unlikely(task && (time_before_eq((unsigned long)task->start_time.tv_sec, (unsigned long)shm_createtime) ||
++ (task->pid == shm_lapid)) &&
++ (task->acl->mode & GR_PROTSHM) &&
++ (task->acl != current->acl))) {
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, cuid, shm_cprid, shmid);
++ return 0;
++ }
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++
++ return 1;
++}
+diff --git a/grsecurity/grsec_chdir.c b/grsecurity/grsec_chdir.c
+new file mode 100644
+index 0000000..bc0be01
+--- /dev/null
++++ b/grsecurity/grsec_chdir.c
+@@ -0,0 +1,19 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++void
++gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
++ if ((grsec_enable_chdir && grsec_enable_group &&
++ in_group_p(grsec_audit_gid)) || (grsec_enable_chdir &&
++ !grsec_enable_group)) {
++ gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt);
++ }
++#endif
++ return;
++}
+diff --git a/grsecurity/grsec_chroot.c b/grsecurity/grsec_chroot.c
+new file mode 100644
+index 0000000..9807ee2
+--- /dev/null
++++ b/grsecurity/grsec_chroot.c
+@@ -0,0 +1,368 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/mount.h>
++#include <linux/types.h>
++#include "../fs/mount.h"
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++void gr_set_chroot_entries(struct task_struct *task, struct path *path)
++{
++#ifdef CONFIG_GRKERNSEC
++ if (task->pid > 1 && path->dentry != init_task.fs->root.dentry &&
++ path->dentry != task->nsproxy->mnt_ns->root->mnt.mnt_root)
++ task->gr_is_chrooted = 1;
++ else
++ task->gr_is_chrooted = 0;
++
++ task->gr_chroot_dentry = path->dentry;
++#endif
++ return;
++}
++
++void gr_clear_chroot_entries(struct task_struct *task)
++{
++#ifdef CONFIG_GRKERNSEC
++ task->gr_is_chrooted = 0;
++ task->gr_chroot_dentry = NULL;
++#endif
++ return;
++}
++
++int
++gr_handle_chroot_unix(const pid_t pid)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
++ struct task_struct *p;
++
++ if (unlikely(!grsec_enable_chroot_unix))
++ return 1;
++
++ if (likely(!proc_is_chrooted(current)))
++ return 1;
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ p = find_task_by_vpid_unrestricted(pid);
++ if (unlikely(p && !have_same_root(current, p))) {
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG);
++ return 0;
++ }
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++#endif
++ return 1;
++}
++
++int
++gr_handle_chroot_nice(void)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
++ if (grsec_enable_chroot_nice && proc_is_chrooted(current)) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_setpriority(struct task_struct *p, const int niceval)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
++ if (grsec_enable_chroot_nice && (niceval < task_nice(p))
++ && proc_is_chrooted(current)) {
++ gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, p->pid);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_rawio(const struct inode *inode)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ if (grsec_enable_chroot_caps && proc_is_chrooted(current) &&
++ inode && S_ISBLK(inode->i_mode) && !capable(CAP_SYS_RAWIO))
++ return 1;
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_fowner(struct pid *pid, enum pid_type type)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++ struct task_struct *p;
++ int ret = 0;
++ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid)
++ return ret;
++
++ read_lock(&tasklist_lock);
++ do_each_pid_task(pid, type, p) {
++ if (!have_same_root(current, p)) {
++ ret = 1;
++ goto out;
++ }
++ } while_each_pid_task(pid, type, p);
++out:
++ read_unlock(&tasklist_lock);
++ return ret;
++#endif
++ return 0;
++}
++
++int
++gr_pid_is_chrooted(struct task_struct *p)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL)
++ return 0;
++
++ if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) ||
++ !have_same_root(current, p)) {
++ return 1;
++ }
++#endif
++ return 0;
++}
++
++EXPORT_SYMBOL(gr_pid_is_chrooted);
++
++#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR)
++int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt)
++{
++ struct path path, currentroot;
++ int ret = 0;
++
++ path.dentry = (struct dentry *)u_dentry;
++ path.mnt = (struct vfsmount *)u_mnt;
++ get_fs_root(current->fs, ¤troot);
++ if (path_is_under(&path, ¤troot))
++ ret = 1;
++ path_put(¤troot);
++
++ return ret;
++}
++#endif
++
++int
++gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
++ if (!grsec_enable_chroot_fchdir)
++ return 1;
++
++ if (!proc_is_chrooted(current))
++ return 1;
++ else if (!gr_is_outside_chroot(u_dentry, u_mnt)) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt);
++ return 0;
++ }
++#endif
++ return 1;
++}
++
++int
++gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
++ const time_t shm_createtime)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
++ struct task_struct *p;
++ time_t starttime;
++
++ if (unlikely(!grsec_enable_chroot_shmat))
++ return 1;
++
++ if (likely(!proc_is_chrooted(current)))
++ return 1;
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++
++ if ((p = find_task_by_vpid_unrestricted(shm_cprid))) {
++ starttime = p->start_time.tv_sec;
++ if (time_before_eq((unsigned long)starttime, (unsigned long)shm_createtime)) {
++ if (have_same_root(current, p)) {
++ goto allow;
++ } else {
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
++ return 0;
++ }
++ }
++ /* creator exited, pid reuse, fall through to next check */
++ }
++ if ((p = find_task_by_vpid_unrestricted(shm_lapid))) {
++ if (unlikely(!have_same_root(current, p))) {
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
++ return 0;
++ }
++ }
++
++allow:
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++#endif
++ return 1;
++}
++
++void
++gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
++ if (grsec_enable_chroot_execlog && proc_is_chrooted(current))
++ gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt);
++#endif
++ return;
++}
++
++int
++gr_handle_chroot_mknod(const struct dentry *dentry,
++ const struct vfsmount *mnt, const int mode)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
++ if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) &&
++ proc_is_chrooted(current)) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_mount(const struct dentry *dentry,
++ const struct vfsmount *mnt, const char *dev_name)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
++ if (grsec_enable_chroot_mount && proc_is_chrooted(current)) {
++ gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_pivot(void)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
++ if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
++ if (grsec_enable_chroot_double && proc_is_chrooted(current) &&
++ !gr_is_outside_chroot(dentry, mnt)) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++extern const char *captab_log[];
++extern int captab_log_entries;
++
++int
++gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
++ kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
++ if (cap_raised(chroot_caps, cap)) {
++ if (cap_raised(cred->cap_effective, cap) && cap < captab_log_entries) {
++ gr_log_cap(GR_DONT_AUDIT, GR_CAP_CHROOT_MSG, task, captab_log[cap]);
++ }
++ return 0;
++ }
++ }
++#endif
++ return 1;
++}
++
++int
++gr_chroot_is_capable(const int cap)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ return gr_task_chroot_is_capable(current, current_cred(), cap);
++#endif
++ return 1;
++}
++
++int
++gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
++ kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
++ if (cap_raised(chroot_caps, cap)) {
++ return 0;
++ }
++ }
++#endif
++ return 1;
++}
++
++int
++gr_chroot_is_capable_nolog(const int cap)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ return gr_task_chroot_is_capable_nolog(current, cap);
++#endif
++ return 1;
++}
++
++int
++gr_handle_chroot_sysctl(const int op)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
++ if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) &&
++ proc_is_chrooted(current))
++ return -EACCES;
++#endif
++ return 0;
++}
++
++void
++gr_handle_chroot_chdir(struct path *path)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
++ if (grsec_enable_chroot_chdir)
++ set_fs_pwd(current->fs, path);
++#endif
++ return;
++}
++
++int
++gr_handle_chroot_chmod(const struct dentry *dentry,
++ const struct vfsmount *mnt, const int mode)
++{
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
++ /* allow chmod +s on directories, but not files */
++ if (grsec_enable_chroot_chmod && !S_ISDIR(dentry->d_inode->i_mode) &&
++ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) &&
++ proc_is_chrooted(current)) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_disabled.c b/grsecurity/grsec_disabled.c
+new file mode 100644
+index 0000000..213ad8b
+--- /dev/null
++++ b/grsecurity/grsec_disabled.c
+@@ -0,0 +1,437 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/kdev_t.h>
++#include <linux/net.h>
++#include <linux/in.h>
++#include <linux/ip.h>
++#include <linux/skbuff.h>
++#include <linux/sysctl.h>
++
++#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
++void
++pax_set_initial_flags(struct linux_binprm *bprm)
++{
++ return;
++}
++#endif
++
++#ifdef CONFIG_SYSCTL
++__u32
++gr_handle_sysctl(const struct ctl_table * table, const int op)
++{
++ return 0;
++}
++#endif
++
++#ifdef CONFIG_TASKSTATS
++int gr_is_taskstats_denied(int pid)
++{
++ return 0;
++}
++#endif
++
++int
++gr_acl_is_enabled(void)
++{
++ return 0;
++}
++
++void
++gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
++{
++ return;
++}
++
++int
++gr_handle_rawio(const struct inode *inode)
++{
++ return 0;
++}
++
++void
++gr_acl_handle_psacct(struct task_struct *task, const long code)
++{
++ return;
++}
++
++int
++gr_handle_ptrace(struct task_struct *task, const long request)
++{
++ return 0;
++}
++
++int
++gr_handle_proc_ptrace(struct task_struct *task)
++{
++ return 0;
++}
++
++void
++gr_learn_resource(const struct task_struct *task,
++ const int res, const unsigned long wanted, const int gt)
++{
++ return;
++}
++
++int
++gr_set_acls(const int type)
++{
++ return 0;
++}
++
++int
++gr_check_hidden_task(const struct task_struct *tsk)
++{
++ return 0;
++}
++
++int
++gr_check_protected_task(const struct task_struct *task)
++{
++ return 0;
++}
++
++int
++gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
++{
++ return 0;
++}
++
++void
++gr_copy_label(struct task_struct *tsk)
++{
++ return;
++}
++
++void
++gr_set_pax_flags(struct task_struct *task)
++{
++ return;
++}
++
++int
++gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
++ const int unsafe_share)
++{
++ return 0;
++}
++
++void
++gr_handle_delete(const ino_t ino, const dev_t dev)
++{
++ return;
++}
++
++void
++gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
++{
++ return;
++}
++
++void
++gr_handle_crash(struct task_struct *task, const int sig)
++{
++ return;
++}
++
++int
++gr_check_crash_exec(const struct file *filp)
++{
++ return 0;
++}
++
++int
++gr_check_crash_uid(const uid_t uid)
++{
++ return 0;
++}
++
++void
++gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
++ struct dentry *old_dentry,
++ struct dentry *new_dentry,
++ struct vfsmount *mnt, const __u8 replace)
++{
++ return;
++}
++
++int
++gr_search_socket(const int family, const int type, const int protocol)
++{
++ return 1;
++}
++
++int
++gr_search_connectbind(const int mode, const struct socket *sock,
++ const struct sockaddr_in *addr)
++{
++ return 0;
++}
++
++void
++gr_handle_alertkill(struct task_struct *task)
++{
++ return;
++}
++
++__u32
++gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_hidden_file(const struct dentry * dentry,
++ const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
++ int acc_mode)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++int
++gr_acl_handle_mmap(const struct file *file, const unsigned long prot,
++ unsigned int *vm_flags)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_truncate(const struct dentry * dentry,
++ const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_access(const struct dentry * dentry,
++ const struct vfsmount * mnt, const int fmode)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt,
++ umode_t *mode)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++void
++grsecurity_init(void)
++{
++ return;
++}
++
++umode_t gr_acl_umask(void)
++{
++ return 0;
++}
++
++__u32
++gr_acl_handle_mknod(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt,
++ const int mode)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_mkdir(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_symlink(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt, const char *from)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_link(const struct dentry * new_dentry,
++ const struct dentry * parent_dentry,
++ const struct vfsmount * parent_mnt,
++ const struct dentry * old_dentry,
++ const struct vfsmount * old_mnt, const char *to)
++{
++ return 1;
++}
++
++int
++gr_acl_handle_rename(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ const struct dentry *old_dentry,
++ const struct inode *old_parent_inode,
++ const struct vfsmount *old_mnt, const char *newname)
++{
++ return 0;
++}
++
++int
++gr_acl_handle_filldir(const struct file *file, const char *name,
++ const int namelen, const ino_t ino)
++{
++ return 1;
++}
++
++int
++gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
++ const time_t shm_createtime, const uid_t cuid, const int shmid)
++{
++ return 1;
++}
++
++int
++gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr)
++{
++ return 0;
++}
++
++int
++gr_search_accept(const struct socket *sock)
++{
++ return 0;
++}
++
++int
++gr_search_listen(const struct socket *sock)
++{
++ return 0;
++}
++
++int
++gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr)
++{
++ return 0;
++}
++
++__u32
++gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt)
++{
++ return 1;
++}
++
++__u32
++gr_acl_handle_creat(const struct dentry * dentry,
++ const struct dentry * p_dentry,
++ const struct vfsmount * p_mnt, int open_flags, int acc_mode,
++ const int imode)
++{
++ return 1;
++}
++
++void
++gr_acl_handle_exit(void)
++{
++ return;
++}
++
++int
++gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
++{
++ return 1;
++}
++
++void
++gr_set_role_label(const uid_t uid, const gid_t gid)
++{
++ return;
++}
++
++int
++gr_acl_handle_procpidmem(const struct task_struct *task)
++{
++ return 0;
++}
++
++int
++gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb)
++{
++ return 0;
++}
++
++int
++gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr)
++{
++ return 0;
++}
++
++void
++gr_set_kernel_label(struct task_struct *task)
++{
++ return;
++}
++
++int
++gr_check_user_change(int real, int effective, int fs)
++{
++ return 0;
++}
++
++int
++gr_check_group_change(int real, int effective, int fs)
++{
++ return 0;
++}
++
++int gr_acl_enable_at_secure(void)
++{
++ return 0;
++}
++
++dev_t gr_get_dev_from_dentry(struct dentry *dentry)
++{
++ return dentry->d_inode->i_sb->s_dev;
++}
++
++EXPORT_SYMBOL(gr_learn_resource);
++EXPORT_SYMBOL(gr_set_kernel_label);
++#ifdef CONFIG_SECURITY
++EXPORT_SYMBOL(gr_check_user_change);
++EXPORT_SYMBOL(gr_check_group_change);
++#endif
+diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c
+new file mode 100644
+index 0000000..abfa971
+--- /dev/null
++++ b/grsecurity/grsec_exec.c
+@@ -0,0 +1,174 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/binfmts.h>
++#include <linux/fs.h>
++#include <linux/types.h>
++#include <linux/grdefs.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++#include <linux/capability.h>
++#include <linux/module.h>
++
++#include <asm/uaccess.h>
++
++#ifdef CONFIG_GRKERNSEC_EXECLOG
++static char gr_exec_arg_buf[132];
++static DEFINE_MUTEX(gr_exec_arg_mutex);
++#endif
++
++extern const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr);
++
++void
++gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv)
++{
++#ifdef CONFIG_GRKERNSEC_EXECLOG
++ char *grarg = gr_exec_arg_buf;
++ unsigned int i, x, execlen = 0;
++ char c;
++
++ if (!((grsec_enable_execlog && grsec_enable_group &&
++ in_group_p(grsec_audit_gid))
++ || (grsec_enable_execlog && !grsec_enable_group)))
++ return;
++
++ mutex_lock(&gr_exec_arg_mutex);
++ memset(grarg, 0, sizeof(gr_exec_arg_buf));
++
++ for (i = 0; i < bprm->argc && execlen < 128; i++) {
++ const char __user *p;
++ unsigned int len;
++
++ p = get_user_arg_ptr(argv, i);
++ if (IS_ERR(p))
++ goto log;
++
++ len = strnlen_user(p, 128 - execlen);
++ if (len > 128 - execlen)
++ len = 128 - execlen;
++ else if (len > 0)
++ len--;
++ if (copy_from_user(grarg + execlen, p, len))
++ goto log;
++
++ /* rewrite unprintable characters */
++ for (x = 0; x < len; x++) {
++ c = *(grarg + execlen + x);
++ if (c < 32 || c > 126)
++ *(grarg + execlen + x) = ' ';
++ }
++
++ execlen += len;
++ *(grarg + execlen) = ' ';
++ *(grarg + execlen + 1) = '\0';
++ execlen++;
++ }
++
++ log:
++ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry,
++ bprm->file->f_path.mnt, grarg);
++ mutex_unlock(&gr_exec_arg_mutex);
++#endif
++ return;
++}
++
++#ifdef CONFIG_GRKERNSEC
++extern int gr_acl_is_capable(const int cap);
++extern int gr_acl_is_capable_nolog(const int cap);
++extern int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
++extern int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap);
++extern int gr_chroot_is_capable(const int cap);
++extern int gr_chroot_is_capable_nolog(const int cap);
++extern int gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
++extern int gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap);
++#endif
++
++const char *captab_log[] = {
++ "CAP_CHOWN",
++ "CAP_DAC_OVERRIDE",
++ "CAP_DAC_READ_SEARCH",
++ "CAP_FOWNER",
++ "CAP_FSETID",
++ "CAP_KILL",
++ "CAP_SETGID",
++ "CAP_SETUID",
++ "CAP_SETPCAP",
++ "CAP_LINUX_IMMUTABLE",
++ "CAP_NET_BIND_SERVICE",
++ "CAP_NET_BROADCAST",
++ "CAP_NET_ADMIN",
++ "CAP_NET_RAW",
++ "CAP_IPC_LOCK",
++ "CAP_IPC_OWNER",
++ "CAP_SYS_MODULE",
++ "CAP_SYS_RAWIO",
++ "CAP_SYS_CHROOT",
++ "CAP_SYS_PTRACE",
++ "CAP_SYS_PACCT",
++ "CAP_SYS_ADMIN",
++ "CAP_SYS_BOOT",
++ "CAP_SYS_NICE",
++ "CAP_SYS_RESOURCE",
++ "CAP_SYS_TIME",
++ "CAP_SYS_TTY_CONFIG",
++ "CAP_MKNOD",
++ "CAP_LEASE",
++ "CAP_AUDIT_WRITE",
++ "CAP_AUDIT_CONTROL",
++ "CAP_SETFCAP",
++ "CAP_MAC_OVERRIDE",
++ "CAP_MAC_ADMIN",
++ "CAP_SYSLOG",
++ "CAP_WAKE_ALARM"
++};
++
++int captab_log_entries = sizeof(captab_log)/sizeof(captab_log[0]);
++
++int gr_is_capable(const int cap)
++{
++#ifdef CONFIG_GRKERNSEC
++ if (gr_acl_is_capable(cap) && gr_chroot_is_capable(cap))
++ return 1;
++ return 0;
++#else
++ return 1;
++#endif
++}
++
++int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
++{
++#ifdef CONFIG_GRKERNSEC
++ if (gr_task_acl_is_capable(task, cred, cap) && gr_task_chroot_is_capable(task, cred, cap))
++ return 1;
++ return 0;
++#else
++ return 1;
++#endif
++}
++
++int gr_is_capable_nolog(const int cap)
++{
++#ifdef CONFIG_GRKERNSEC
++ if (gr_acl_is_capable_nolog(cap) && gr_chroot_is_capable_nolog(cap))
++ return 1;
++ return 0;
++#else
++ return 1;
++#endif
++}
++
++int gr_task_is_capable_nolog(const struct task_struct *task, const int cap)
++{
++#ifdef CONFIG_GRKERNSEC
++ if (gr_task_acl_is_capable_nolog(task, cap) && gr_task_chroot_is_capable_nolog(task, cap))
++ return 1;
++ return 0;
++#else
++ return 1;
++#endif
++}
++
++EXPORT_SYMBOL(gr_is_capable);
++EXPORT_SYMBOL(gr_is_capable_nolog);
++EXPORT_SYMBOL(gr_task_is_capable);
++EXPORT_SYMBOL(gr_task_is_capable_nolog);
+diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c
+new file mode 100644
+index 0000000..d3ee748
+--- /dev/null
++++ b/grsecurity/grsec_fifo.c
+@@ -0,0 +1,24 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/grinternal.h>
++
++int
++gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt,
++ const struct dentry *dir, const int flag, const int acc_mode)
++{
++#ifdef CONFIG_GRKERNSEC_FIFO
++ const struct cred *cred = current_cred();
++
++ if (grsec_enable_fifo && S_ISFIFO(dentry->d_inode->i_mode) &&
++ !(flag & O_EXCL) && (dir->d_inode->i_mode & S_ISVTX) &&
++ (dentry->d_inode->i_uid != dir->d_inode->i_uid) &&
++ (cred->fsuid != dentry->d_inode->i_uid)) {
++ if (!inode_permission(dentry->d_inode, acc_mode))
++ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, dentry->d_inode->i_uid, dentry->d_inode->i_gid);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_fork.c b/grsecurity/grsec_fork.c
+new file mode 100644
+index 0000000..8ca18bf
+--- /dev/null
++++ b/grsecurity/grsec_fork.c
+@@ -0,0 +1,23 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++#include <linux/errno.h>
++
++void
++gr_log_forkfail(const int retval)
++{
++#ifdef CONFIG_GRKERNSEC_FORKFAIL
++ if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) {
++ switch (retval) {
++ case -EAGAIN:
++ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN");
++ break;
++ case -ENOMEM:
++ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM");
++ break;
++ }
++ }
++#endif
++ return;
++}
+diff --git a/grsecurity/grsec_init.c b/grsecurity/grsec_init.c
+new file mode 100644
+index 0000000..05a6015
+--- /dev/null
++++ b/grsecurity/grsec_init.c
+@@ -0,0 +1,283 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mm.h>
++#include <linux/gracl.h>
++#include <linux/slab.h>
++#include <linux/vmalloc.h>
++#include <linux/percpu.h>
++#include <linux/module.h>
++
++int grsec_enable_ptrace_readexec;
++int grsec_enable_setxid;
++int grsec_enable_symlinkown;
++int grsec_symlinkown_gid;
++int grsec_enable_brute;
++int grsec_enable_link;
++int grsec_enable_dmesg;
++int grsec_enable_harden_ptrace;
++int grsec_enable_fifo;
++int grsec_enable_execlog;
++int grsec_enable_signal;
++int grsec_enable_forkfail;
++int grsec_enable_audit_ptrace;
++int grsec_enable_time;
++int grsec_enable_audit_textrel;
++int grsec_enable_group;
++int grsec_audit_gid;
++int grsec_enable_chdir;
++int grsec_enable_mount;
++int grsec_enable_rofs;
++int grsec_enable_chroot_findtask;
++int grsec_enable_chroot_mount;
++int grsec_enable_chroot_shmat;
++int grsec_enable_chroot_fchdir;
++int grsec_enable_chroot_double;
++int grsec_enable_chroot_pivot;
++int grsec_enable_chroot_chdir;
++int grsec_enable_chroot_chmod;
++int grsec_enable_chroot_mknod;
++int grsec_enable_chroot_nice;
++int grsec_enable_chroot_execlog;
++int grsec_enable_chroot_caps;
++int grsec_enable_chroot_sysctl;
++int grsec_enable_chroot_unix;
++int grsec_enable_tpe;
++int grsec_tpe_gid;
++int grsec_enable_blackhole;
++#ifdef CONFIG_IPV6_MODULE
++EXPORT_SYMBOL(grsec_enable_blackhole);
++#endif
++int grsec_lastack_retries;
++int grsec_enable_tpe_all;
++int grsec_enable_tpe_invert;
++int grsec_enable_socket_all;
++int grsec_socket_all_gid;
++int grsec_enable_socket_client;
++int grsec_socket_client_gid;
++int grsec_enable_socket_server;
++int grsec_socket_server_gid;
++int grsec_resource_logging;
++int grsec_disable_privio;
++int grsec_enable_log_rwxmaps;
++int grsec_lock;
++
++DEFINE_SPINLOCK(grsec_alert_lock);
++unsigned long grsec_alert_wtime = 0;
++unsigned long grsec_alert_fyet = 0;
++
++DEFINE_SPINLOCK(grsec_audit_lock);
++
++DEFINE_RWLOCK(grsec_exec_file_lock);
++
++char *gr_shared_page[4];
++
++char *gr_alert_log_fmt;
++char *gr_audit_log_fmt;
++char *gr_alert_log_buf;
++char *gr_audit_log_buf;
++
++extern struct gr_arg *gr_usermode;
++extern unsigned char *gr_system_salt;
++extern unsigned char *gr_system_sum;
++
++void __init
++grsecurity_init(void)
++{
++ int j;
++ /* create the per-cpu shared pages */
++
++#ifdef CONFIG_X86
++ memset((char *)(0x41a + PAGE_OFFSET), 0, 36);
++#endif
++
++ for (j = 0; j < 4; j++) {
++ gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long));
++ if (gr_shared_page[j] == NULL) {
++ panic("Unable to allocate grsecurity shared page");
++ return;
++ }
++ }
++
++ /* allocate log buffers */
++ gr_alert_log_fmt = kmalloc(512, GFP_KERNEL);
++ if (!gr_alert_log_fmt) {
++ panic("Unable to allocate grsecurity alert log format buffer");
++ return;
++ }
++ gr_audit_log_fmt = kmalloc(512, GFP_KERNEL);
++ if (!gr_audit_log_fmt) {
++ panic("Unable to allocate grsecurity audit log format buffer");
++ return;
++ }
++ gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
++ if (!gr_alert_log_buf) {
++ panic("Unable to allocate grsecurity alert log buffer");
++ return;
++ }
++ gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
++ if (!gr_audit_log_buf) {
++ panic("Unable to allocate grsecurity audit log buffer");
++ return;
++ }
++
++ /* allocate memory for authentication structure */
++ gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL);
++ gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL);
++ gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL);
++
++ if (!gr_usermode || !gr_system_salt || !gr_system_sum) {
++ panic("Unable to allocate grsecurity authentication structure");
++ return;
++ }
++
++
++#ifdef CONFIG_GRKERNSEC_IO
++#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO)
++ grsec_disable_privio = 1;
++#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON)
++ grsec_disable_privio = 1;
++#else
++ grsec_disable_privio = 0;
++#endif
++#endif
++
++#ifdef CONFIG_GRKERNSEC_TPE_INVERT
++ /* for backward compatibility, tpe_invert always defaults to on if
++ enabled in the kernel
++ */
++ grsec_enable_tpe_invert = 1;
++#endif
++
++#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON)
++#ifndef CONFIG_GRKERNSEC_SYSCTL
++ grsec_lock = 1;
++#endif
++
++#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
++ grsec_enable_audit_textrel = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
++ grsec_enable_log_rwxmaps = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
++ grsec_enable_group = 1;
++ grsec_audit_gid = CONFIG_GRKERNSEC_AUDIT_GID;
++#endif
++#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
++ grsec_enable_ptrace_readexec = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
++ grsec_enable_chdir = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ grsec_enable_harden_ptrace = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
++ grsec_enable_mount = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_LINK
++ grsec_enable_link = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_BRUTE
++ grsec_enable_brute = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_DMESG
++ grsec_enable_dmesg = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ grsec_enable_blackhole = 1;
++ grsec_lastack_retries = 4;
++#endif
++#ifdef CONFIG_GRKERNSEC_FIFO
++ grsec_enable_fifo = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_EXECLOG
++ grsec_enable_execlog = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_SETXID
++ grsec_enable_setxid = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_SIGNAL
++ grsec_enable_signal = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_FORKFAIL
++ grsec_enable_forkfail = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_TIME
++ grsec_enable_time = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_RESLOG
++ grsec_resource_logging = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++ grsec_enable_chroot_findtask = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
++ grsec_enable_chroot_unix = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
++ grsec_enable_chroot_mount = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
++ grsec_enable_chroot_fchdir = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
++ grsec_enable_chroot_shmat = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
++ grsec_enable_audit_ptrace = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
++ grsec_enable_chroot_double = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
++ grsec_enable_chroot_pivot = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
++ grsec_enable_chroot_chdir = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
++ grsec_enable_chroot_chmod = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
++ grsec_enable_chroot_mknod = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
++ grsec_enable_chroot_nice = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
++ grsec_enable_chroot_execlog = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ grsec_enable_chroot_caps = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
++ grsec_enable_chroot_sysctl = 1;
++#endif
++#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
++ grsec_enable_symlinkown = 1;
++ grsec_symlinkown_gid = CONFIG_GRKERNSEC_SYMLINKOWN_GID;
++#endif
++#ifdef CONFIG_GRKERNSEC_TPE
++ grsec_enable_tpe = 1;
++ grsec_tpe_gid = CONFIG_GRKERNSEC_TPE_GID;
++#ifdef CONFIG_GRKERNSEC_TPE_ALL
++ grsec_enable_tpe_all = 1;
++#endif
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
++ grsec_enable_socket_all = 1;
++ grsec_socket_all_gid = CONFIG_GRKERNSEC_SOCKET_ALL_GID;
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
++ grsec_enable_socket_client = 1;
++ grsec_socket_client_gid = CONFIG_GRKERNSEC_SOCKET_CLIENT_GID;
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
++ grsec_enable_socket_server = 1;
++ grsec_socket_server_gid = CONFIG_GRKERNSEC_SOCKET_SERVER_GID;
++#endif
++#endif
++
++ return;
++}
+diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c
+new file mode 100644
+index 0000000..589481f
+--- /dev/null
++++ b/grsecurity/grsec_link.c
+@@ -0,0 +1,58 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/grinternal.h>
++
++int gr_handle_symlink_owner(const struct path *link, const struct inode *target)
++{
++#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
++ const struct inode *link_inode = link->dentry->d_inode;
++
++ if (grsec_enable_symlinkown && in_group_p(grsec_symlinkown_gid) &&
++ /* ignore root-owned links, e.g. /proc/self */
++ !uid_eq(link_inode->i_uid, GLOBAL_ROOT_UID) && target &&
++ !uid_eq(link_inode->i_uid, target->i_uid)) {
++ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINKOWNER_MSG, link->dentry, link->mnt, link_inode->i_uid, target->i_uid);
++ return 1;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_follow_link(const struct inode *parent,
++ const struct inode *inode,
++ const struct dentry *dentry, const struct vfsmount *mnt)
++{
++#ifdef CONFIG_GRKERNSEC_LINK
++ const struct cred *cred = current_cred();
++
++ if (grsec_enable_link && S_ISLNK(inode->i_mode) &&
++ (parent->i_mode & S_ISVTX) && !uid_eq(parent->i_uid, inode->i_uid) &&
++ (parent->i_mode & S_IWOTH) && !uid_eq(cred->fsuid, inode->i_uid)) {
++ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_hardlink(const struct dentry *dentry,
++ const struct vfsmount *mnt,
++ struct inode *inode, const int mode, const char *to)
++{
++#ifdef CONFIG_GRKERNSEC_LINK
++ const struct cred *cred = current_cred();
++
++ if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) &&
++ (!S_ISREG(mode) || is_privileged_binary(dentry) ||
++ (inode_permission(inode, MAY_READ | MAY_WRITE))) &&
++ !capable(CAP_FOWNER) && !uid_eq(cred->uid, GLOBAL_ROOT_UID)) {
++ gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to);
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_log.c b/grsecurity/grsec_log.c
+new file mode 100644
+index 0000000..a45d2e9
+--- /dev/null
++++ b/grsecurity/grsec_log.c
+@@ -0,0 +1,322 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/tty.h>
++#include <linux/fs.h>
++#include <linux/grinternal.h>
++
++#ifdef CONFIG_TREE_PREEMPT_RCU
++#define DISABLE_PREEMPT() preempt_disable()
++#define ENABLE_PREEMPT() preempt_enable()
++#else
++#define DISABLE_PREEMPT()
++#define ENABLE_PREEMPT()
++#endif
++
++#define BEGIN_LOCKS(x) \
++ DISABLE_PREEMPT(); \
++ rcu_read_lock(); \
++ read_lock(&tasklist_lock); \
++ read_lock(&grsec_exec_file_lock); \
++ if (x != GR_DO_AUDIT) \
++ spin_lock(&grsec_alert_lock); \
++ else \
++ spin_lock(&grsec_audit_lock)
++
++#define END_LOCKS(x) \
++ if (x != GR_DO_AUDIT) \
++ spin_unlock(&grsec_alert_lock); \
++ else \
++ spin_unlock(&grsec_audit_lock); \
++ read_unlock(&grsec_exec_file_lock); \
++ read_unlock(&tasklist_lock); \
++ rcu_read_unlock(); \
++ ENABLE_PREEMPT(); \
++ if (x == GR_DONT_AUDIT) \
++ gr_handle_alertkill(current)
++
++enum {
++ FLOODING,
++ NO_FLOODING
++};
++
++extern char *gr_alert_log_fmt;
++extern char *gr_audit_log_fmt;
++extern char *gr_alert_log_buf;
++extern char *gr_audit_log_buf;
++
++static int gr_log_start(int audit)
++{
++ char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT;
++ char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt;
++ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
++#if (CONFIG_GRKERNSEC_FLOODTIME > 0 && CONFIG_GRKERNSEC_FLOODBURST > 0)
++ unsigned long curr_secs = get_seconds();
++
++ if (audit == GR_DO_AUDIT)
++ goto set_fmt;
++
++ if (!grsec_alert_wtime || time_after(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)) {
++ grsec_alert_wtime = curr_secs;
++ grsec_alert_fyet = 0;
++ } else if (time_before_eq(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)
++ && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) {
++ grsec_alert_fyet++;
++ } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) {
++ grsec_alert_wtime = curr_secs;
++ grsec_alert_fyet++;
++ printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME);
++ return FLOODING;
++ }
++ else return FLOODING;
++
++set_fmt:
++#endif
++ memset(buf, 0, PAGE_SIZE);
++ if (current->signal->curr_ip && gr_acl_is_enabled()) {
++ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) ");
++ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
++ } else if (current->signal->curr_ip) {
++ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: ");
++ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip);
++ } else if (gr_acl_is_enabled()) {
++ sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) ");
++ snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
++ } else {
++ sprintf(fmt, "%s%s", loglevel, "grsec: ");
++ strcpy(buf, fmt);
++ }
++
++ return NO_FLOODING;
++}
++
++static void gr_log_middle(int audit, const char *msg, va_list ap)
++ __attribute__ ((format (printf, 2, 0)));
++
++static void gr_log_middle(int audit, const char *msg, va_list ap)
++{
++ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
++ unsigned int len = strlen(buf);
++
++ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
++
++ return;
++}
++
++static void gr_log_middle_varargs(int audit, const char *msg, ...)
++ __attribute__ ((format (printf, 2, 3)));
++
++static void gr_log_middle_varargs(int audit, const char *msg, ...)
++{
++ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
++ unsigned int len = strlen(buf);
++ va_list ap;
++
++ va_start(ap, msg);
++ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
++ va_end(ap);
++
++ return;
++}
++
++static void gr_log_end(int audit, int append_default)
++{
++ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
++
++ if (append_default) {
++ unsigned int len = strlen(buf);
++ snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, DEFAULTSECARGS(current, current_cred(), __task_cred(current->real_parent)));
++ }
++
++ printk("%s\n", buf);
++
++ return;
++}
++
++void gr_log_varargs(int audit, const char *msg, int argtypes, ...)
++{
++ int logtype;
++ char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied";
++ char *str1 = NULL, *str2 = NULL, *str3 = NULL;
++ void *voidptr = NULL;
++ int num1 = 0, num2 = 0;
++ unsigned long ulong1 = 0, ulong2 = 0;
++ struct dentry *dentry = NULL;
++ struct vfsmount *mnt = NULL;
++ struct file *file = NULL;
++ struct task_struct *task = NULL;
++ const struct cred *cred, *pcred;
++ va_list ap;
++
++ BEGIN_LOCKS(audit);
++ logtype = gr_log_start(audit);
++ if (logtype == FLOODING) {
++ END_LOCKS(audit);
++ return;
++ }
++ va_start(ap, argtypes);
++ switch (argtypes) {
++ case GR_TTYSNIFF:
++ task = va_arg(ap, struct task_struct *);
++ gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task->pid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid);
++ break;
++ case GR_SYSCTL_HIDDEN:
++ str1 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, result, str1);
++ break;
++ case GR_RBAC:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt));
++ break;
++ case GR_RBAC_STR:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ str1 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1);
++ break;
++ case GR_STR_RBAC:
++ str1 = va_arg(ap, char *);
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt));
++ break;
++ case GR_RBAC_MODE2:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ str1 = va_arg(ap, char *);
++ str2 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2);
++ break;
++ case GR_RBAC_MODE3:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ str1 = va_arg(ap, char *);
++ str2 = va_arg(ap, char *);
++ str3 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3);
++ break;
++ case GR_FILENAME:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt));
++ break;
++ case GR_STR_FILENAME:
++ str1 = va_arg(ap, char *);
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt));
++ break;
++ case GR_FILENAME_STR:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ str1 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1);
++ break;
++ case GR_FILENAME_TWO_INT:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ num1 = va_arg(ap, int);
++ num2 = va_arg(ap, int);
++ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2);
++ break;
++ case GR_FILENAME_TWO_INT_STR:
++ dentry = va_arg(ap, struct dentry *);
++ mnt = va_arg(ap, struct vfsmount *);
++ num1 = va_arg(ap, int);
++ num2 = va_arg(ap, int);
++ str1 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1);
++ break;
++ case GR_TEXTREL:
++ file = va_arg(ap, struct file *);
++ ulong1 = va_arg(ap, unsigned long);
++ ulong2 = va_arg(ap, unsigned long);
++ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2);
++ break;
++ case GR_PTRACE:
++ task = va_arg(ap, struct task_struct *);
++ gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task->pid);
++ break;
++ case GR_RESOURCE:
++ task = va_arg(ap, struct task_struct *);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++ ulong1 = va_arg(ap, unsigned long);
++ str1 = va_arg(ap, char *);
++ ulong2 = va_arg(ap, unsigned long);
++ gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
++ break;
++ case GR_CAP:
++ task = va_arg(ap, struct task_struct *);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++ str1 = va_arg(ap, char *);
++ gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
++ break;
++ case GR_SIG:
++ str1 = va_arg(ap, char *);
++ voidptr = va_arg(ap, void *);
++ gr_log_middle_varargs(audit, msg, str1, voidptr);
++ break;
++ case GR_SIG2:
++ task = va_arg(ap, struct task_struct *);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++ num1 = va_arg(ap, int);
++ gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid);
++ break;
++ case GR_CRASH1:
++ task = va_arg(ap, struct task_struct *);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++ ulong1 = va_arg(ap, unsigned long);
++ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, cred->uid, ulong1);
++ break;
++ case GR_CRASH2:
++ task = va_arg(ap, struct task_struct *);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++ ulong1 = va_arg(ap, unsigned long);
++ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, ulong1);
++ break;
++ case GR_RWXMAP:
++ file = va_arg(ap, struct file *);
++ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>");
++ break;
++ case GR_PSACCT:
++ {
++ unsigned int wday, cday;
++ __u8 whr, chr;
++ __u8 wmin, cmin;
++ __u8 wsec, csec;
++ char cur_tty[64] = { 0 };
++ char parent_tty[64] = { 0 };
++
++ task = va_arg(ap, struct task_struct *);
++ wday = va_arg(ap, unsigned int);
++ cday = va_arg(ap, unsigned int);
++ whr = va_arg(ap, int);
++ chr = va_arg(ap, int);
++ wmin = va_arg(ap, int);
++ cmin = va_arg(ap, int);
++ wsec = va_arg(ap, int);
++ csec = va_arg(ap, int);
++ ulong1 = va_arg(ap, unsigned long);
++ cred = __task_cred(task);
++ pcred = __task_cred(task->real_parent);
++
++ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), cred->uid, cred->euid, cred->gid, cred->egid, wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), pcred->uid, pcred->euid, pcred->gid, pcred->egid);
++ }
++ break;
++ default:
++ gr_log_middle(audit, msg, ap);
++ }
++ va_end(ap);
++ // these don't need DEFAULTSECARGS printed on the end
++ if (argtypes == GR_CRASH1 || argtypes == GR_CRASH2)
++ gr_log_end(audit, 0);
++ else
++ gr_log_end(audit, 1);
++ END_LOCKS(audit);
++}
+diff --git a/grsecurity/grsec_mem.c b/grsecurity/grsec_mem.c
+new file mode 100644
+index 0000000..f536303
+--- /dev/null
++++ b/grsecurity/grsec_mem.c
+@@ -0,0 +1,40 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mm.h>
++#include <linux/mman.h>
++#include <linux/grinternal.h>
++
++void
++gr_handle_ioperm(void)
++{
++ gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG);
++ return;
++}
++
++void
++gr_handle_iopl(void)
++{
++ gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG);
++ return;
++}
++
++void
++gr_handle_mem_readwrite(u64 from, u64 to)
++{
++ gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to);
++ return;
++}
++
++void
++gr_handle_vm86(void)
++{
++ gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG);
++ return;
++}
++
++void
++gr_log_badprocpid(const char *entry)
++{
++ gr_log_str(GR_DONT_AUDIT, GR_BADPROCPID_MSG, entry);
++ return;
++}
+diff --git a/grsecurity/grsec_mount.c b/grsecurity/grsec_mount.c
+new file mode 100644
+index 0000000..2131422
+--- /dev/null
++++ b/grsecurity/grsec_mount.c
+@@ -0,0 +1,62 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mount.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++void
++gr_log_remount(const char *devname, const int retval)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
++ if (grsec_enable_mount && (retval >= 0))
++ gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none");
++#endif
++ return;
++}
++
++void
++gr_log_unmount(const char *devname, const int retval)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
++ if (grsec_enable_mount && (retval >= 0))
++ gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none");
++#endif
++ return;
++}
++
++void
++gr_log_mount(const char *from, const char *to, const int retval)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
++ if (grsec_enable_mount && (retval >= 0))
++ gr_log_str_str(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to);
++#endif
++ return;
++}
++
++int
++gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags)
++{
++#ifdef CONFIG_GRKERNSEC_ROFS
++ if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) {
++ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt);
++ return -EPERM;
++ } else
++ return 0;
++#endif
++ return 0;
++}
++
++int
++gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode)
++{
++#ifdef CONFIG_GRKERNSEC_ROFS
++ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) &&
++ dentry->d_inode && S_ISBLK(dentry->d_inode->i_mode)) {
++ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt);
++ return -EPERM;
++ } else
++ return 0;
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_pax.c b/grsecurity/grsec_pax.c
+new file mode 100644
+index 0000000..a3b12a0
+--- /dev/null
++++ b/grsecurity/grsec_pax.c
+@@ -0,0 +1,36 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mm.h>
++#include <linux/file.h>
++#include <linux/grinternal.h>
++#include <linux/grsecurity.h>
++
++void
++gr_log_textrel(struct vm_area_struct * vma)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
++ if (grsec_enable_audit_textrel)
++ gr_log_textrel_ulong_ulong(GR_DO_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff);
++#endif
++ return;
++}
++
++void
++gr_log_rwxmmap(struct file *file)
++{
++#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
++ if (grsec_enable_log_rwxmaps)
++ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file);
++#endif
++ return;
++}
++
++void
++gr_log_rwxmprotect(struct file *file)
++{
++#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
++ if (grsec_enable_log_rwxmaps)
++ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, file);
++#endif
++ return;
++}
+diff --git a/grsecurity/grsec_ptrace.c b/grsecurity/grsec_ptrace.c
+new file mode 100644
+index 0000000..f7f29aa
+--- /dev/null
++++ b/grsecurity/grsec_ptrace.c
+@@ -0,0 +1,30 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/grinternal.h>
++#include <linux/security.h>
++
++void
++gr_audit_ptrace(struct task_struct *task)
++{
++#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
++ if (grsec_enable_audit_ptrace)
++ gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task);
++#endif
++ return;
++}
++
++int
++gr_ptrace_readexec(struct file *file, int unsafe_flags)
++{
++#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
++ const struct dentry *dentry = file->f_path.dentry;
++ const struct vfsmount *mnt = file->f_path.mnt;
++
++ if (grsec_enable_ptrace_readexec && (unsafe_flags & LSM_UNSAFE_PTRACE) &&
++ (inode_permission(dentry->d_inode, MAY_READ) || !gr_acl_handle_open(dentry, mnt, MAY_READ))) {
++ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_READEXEC_MSG, dentry, mnt);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_sig.c b/grsecurity/grsec_sig.c
+new file mode 100644
+index 0000000..b4ac94c
+--- /dev/null
++++ b/grsecurity/grsec_sig.c
+@@ -0,0 +1,209 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/delay.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++#include <linux/hardirq.h>
++
++char *signames[] = {
++ [SIGSEGV] = "Segmentation fault",
++ [SIGILL] = "Illegal instruction",
++ [SIGABRT] = "Abort",
++ [SIGBUS] = "Invalid alignment/Bus error"
++};
++
++void
++gr_log_signal(const int sig, const void *addr, const struct task_struct *t)
++{
++#ifdef CONFIG_GRKERNSEC_SIGNAL
++ if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) ||
++ (sig == SIGABRT) || (sig == SIGBUS))) {
++ if (t->pid == current->pid) {
++ gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr);
++ } else {
++ gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig);
++ }
++ }
++#endif
++ return;
++}
++
++int
++gr_handle_signal(const struct task_struct *p, const int sig)
++{
++#ifdef CONFIG_GRKERNSEC
++ /* ignore the 0 signal for protected task checks */
++ if (current->pid > 1 && sig && gr_check_protected_task(p)) {
++ gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig);
++ return -EPERM;
++ } else if (gr_pid_is_chrooted((struct task_struct *)p)) {
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++#ifdef CONFIG_GRKERNSEC
++extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t);
++
++int gr_fake_force_sig(int sig, struct task_struct *t)
++{
++ unsigned long int flags;
++ int ret, blocked, ignored;
++ struct k_sigaction *action;
++
++ spin_lock_irqsave(&t->sighand->siglock, flags);
++ action = &t->sighand->action[sig-1];
++ ignored = action->sa.sa_handler == SIG_IGN;
++ blocked = sigismember(&t->blocked, sig);
++ if (blocked || ignored) {
++ action->sa.sa_handler = SIG_DFL;
++ if (blocked) {
++ sigdelset(&t->blocked, sig);
++ recalc_sigpending_and_wake(t);
++ }
++ }
++ if (action->sa.sa_handler == SIG_DFL)
++ t->signal->flags &= ~SIGNAL_UNKILLABLE;
++ ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t);
++
++ spin_unlock_irqrestore(&t->sighand->siglock, flags);
++
++ return ret;
++}
++#endif
++
++#ifdef CONFIG_GRKERNSEC_BRUTE
++#define GR_USER_BAN_TIME (15 * 60)
++
++static int __get_dumpable(unsigned long mm_flags)
++{
++ int ret;
++
++ ret = mm_flags & MMF_DUMPABLE_MASK;
++ return (ret >= 2) ? 2 : ret;
++}
++#endif
++
++void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags)
++{
++#ifdef CONFIG_GRKERNSEC_BRUTE
++ kuid_t uid = GLOBAL_ROOT_UID;
++
++ if (!grsec_enable_brute)
++ return;
++
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ read_lock(&grsec_exec_file_lock);
++ if (p->real_parent && p->real_parent->exec_file == p->exec_file)
++ p->real_parent->brute = 1;
++ else {
++ const struct cred *cred = __task_cred(p), *cred2;
++ struct task_struct *tsk, *tsk2;
++
++ if (!__get_dumpable(mm_flags) && !uid_eq(cred->uid, GLOBAL_ROOT_UID)) {
++ struct user_struct *user;
++
++ uid = cred->uid;
++
++ /* this is put upon execution past expiration */
++ user = find_user(uid);
++ if (user == NULL)
++ goto unlock;
++ user->banned = 1;
++ user->ban_expires = get_seconds() + GR_USER_BAN_TIME;
++ if (user->ban_expires == ~0UL)
++ user->ban_expires--;
++
++ do_each_thread(tsk2, tsk) {
++ cred2 = __task_cred(tsk);
++ if (tsk != p && uid_eq(cred2->uid, uid))
++ gr_fake_force_sig(SIGKILL, tsk);
++ } while_each_thread(tsk2, tsk);
++ }
++ }
++unlock:
++ read_unlock(&grsec_exec_file_lock);
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++
++ if (!uid_eq(uid, GLOBAL_ROOT_UID))
++ printk(KERN_ALERT "grsec: bruteforce prevention initiated against uid %u, banning for %d minutes\n",
++ from_kuid_munged(&init_user_ns, uid), GR_USER_BAN_TIME / 60);
++
++#endif
++ return;
++}
++
++void gr_handle_brute_check(void)
++{
++#ifdef CONFIG_GRKERNSEC_BRUTE
++ if (current->brute)
++ msleep(30 * 1000);
++#endif
++ return;
++}
++
++void gr_handle_kernel_exploit(void)
++{
++#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
++ const struct cred *cred;
++ struct task_struct *tsk, *tsk2;
++ struct user_struct *user;
++ kuid_t uid;
++
++ if (in_irq() || in_serving_softirq() || in_nmi())
++ panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context");
++
++ uid = current_uid();
++
++ if (uid_eq(uid, GLOBAL_ROOT_UID))
++ panic("grsec: halting the system due to suspicious kernel crash caused by root");
++ else {
++ /* kill all the processes of this user, hold a reference
++ to their creds struct, and prevent them from creating
++ another process until system reset
++ */
++ printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n",
++ from_kuid_munged(&init_user_ns, uid));
++ /* we intentionally leak this ref */
++ user = get_uid(current->cred->user);
++ if (user) {
++ user->banned = 1;
++ user->ban_expires = ~0UL;
++ }
++
++ read_lock(&tasklist_lock);
++ do_each_thread(tsk2, tsk) {
++ cred = __task_cred(tsk);
++ if (uid_eq(cred->uid, uid))
++ gr_fake_force_sig(SIGKILL, tsk);
++ } while_each_thread(tsk2, tsk);
++ read_unlock(&tasklist_lock);
++ }
++#endif
++}
++
++int __gr_process_user_ban(struct user_struct *user)
++{
++#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
++ if (unlikely(user->banned)) {
++ if (user->ban_expires != ~0UL && time_after_eq(get_seconds(), user->ban_expires)) {
++ user->banned = 0;
++ user->ban_expires = 0;
++ free_uid(user);
++ } else
++ return -EPERM;
++ }
++#endif
++ return 0;
++}
++
++int gr_process_user_ban(void)
++{
++#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
++ return __gr_process_user_ban(current->cred->user);
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_sock.c b/grsecurity/grsec_sock.c
+new file mode 100644
+index 0000000..4030d57
+--- /dev/null
++++ b/grsecurity/grsec_sock.c
+@@ -0,0 +1,244 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/net.h>
++#include <linux/in.h>
++#include <linux/ip.h>
++#include <net/sock.h>
++#include <net/inet_sock.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++#include <linux/gracl.h>
++
++extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb);
++extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr);
++
++EXPORT_SYMBOL(gr_search_udp_recvmsg);
++EXPORT_SYMBOL(gr_search_udp_sendmsg);
++
++#ifdef CONFIG_UNIX_MODULE
++EXPORT_SYMBOL(gr_acl_handle_unix);
++EXPORT_SYMBOL(gr_acl_handle_mknod);
++EXPORT_SYMBOL(gr_handle_chroot_unix);
++EXPORT_SYMBOL(gr_handle_create);
++#endif
++
++#ifdef CONFIG_GRKERNSEC
++#define gr_conn_table_size 32749
++struct conn_table_entry {
++ struct conn_table_entry *next;
++ struct signal_struct *sig;
++};
++
++struct conn_table_entry *gr_conn_table[gr_conn_table_size];
++DEFINE_SPINLOCK(gr_conn_table_lock);
++
++extern const char * gr_socktype_to_name(unsigned char type);
++extern const char * gr_proto_to_name(unsigned char proto);
++extern const char * gr_sockfamily_to_name(unsigned char family);
++
++static __inline__ int
++conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size)
++{
++ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size);
++}
++
++static __inline__ int
++conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr,
++ __u16 sport, __u16 dport)
++{
++ if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr &&
++ sig->gr_sport == sport && sig->gr_dport == dport))
++ return 1;
++ else
++ return 0;
++}
++
++static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent)
++{
++ struct conn_table_entry **match;
++ unsigned int index;
++
++ index = conn_hash(sig->gr_saddr, sig->gr_daddr,
++ sig->gr_sport, sig->gr_dport,
++ gr_conn_table_size);
++
++ newent->sig = sig;
++
++ match = &gr_conn_table[index];
++ newent->next = *match;
++ *match = newent;
++
++ return;
++}
++
++static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig)
++{
++ struct conn_table_entry *match, *last = NULL;
++ unsigned int index;
++
++ index = conn_hash(sig->gr_saddr, sig->gr_daddr,
++ sig->gr_sport, sig->gr_dport,
++ gr_conn_table_size);
++
++ match = gr_conn_table[index];
++ while (match && !conn_match(match->sig,
++ sig->gr_saddr, sig->gr_daddr, sig->gr_sport,
++ sig->gr_dport)) {
++ last = match;
++ match = match->next;
++ }
++
++ if (match) {
++ if (last)
++ last->next = match->next;
++ else
++ gr_conn_table[index] = NULL;
++ kfree(match);
++ }
++
++ return;
++}
++
++static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr,
++ __u16 sport, __u16 dport)
++{
++ struct conn_table_entry *match;
++ unsigned int index;
++
++ index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size);
++
++ match = gr_conn_table[index];
++ while (match && !conn_match(match->sig, saddr, daddr, sport, dport))
++ match = match->next;
++
++ if (match)
++ return match->sig;
++ else
++ return NULL;
++}
++
++#endif
++
++void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet)
++{
++#ifdef CONFIG_GRKERNSEC
++ struct signal_struct *sig = task->signal;
++ struct conn_table_entry *newent;
++
++ newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC);
++ if (newent == NULL)
++ return;
++ /* no bh lock needed since we are called with bh disabled */
++ spin_lock(&gr_conn_table_lock);
++ gr_del_task_from_ip_table_nolock(sig);
++ sig->gr_saddr = inet->inet_rcv_saddr;
++ sig->gr_daddr = inet->inet_daddr;
++ sig->gr_sport = inet->inet_sport;
++ sig->gr_dport = inet->inet_dport;
++ gr_add_to_task_ip_table_nolock(sig, newent);
++ spin_unlock(&gr_conn_table_lock);
++#endif
++ return;
++}
++
++void gr_del_task_from_ip_table(struct task_struct *task)
++{
++#ifdef CONFIG_GRKERNSEC
++ spin_lock_bh(&gr_conn_table_lock);
++ gr_del_task_from_ip_table_nolock(task->signal);
++ spin_unlock_bh(&gr_conn_table_lock);
++#endif
++ return;
++}
++
++void
++gr_attach_curr_ip(const struct sock *sk)
++{
++#ifdef CONFIG_GRKERNSEC
++ struct signal_struct *p, *set;
++ const struct inet_sock *inet = inet_sk(sk);
++
++ if (unlikely(sk->sk_protocol != IPPROTO_TCP))
++ return;
++
++ set = current->signal;
++
++ spin_lock_bh(&gr_conn_table_lock);
++ p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr,
++ inet->inet_dport, inet->inet_sport);
++ if (unlikely(p != NULL)) {
++ set->curr_ip = p->curr_ip;
++ set->used_accept = 1;
++ gr_del_task_from_ip_table_nolock(p);
++ spin_unlock_bh(&gr_conn_table_lock);
++ return;
++ }
++ spin_unlock_bh(&gr_conn_table_lock);
++
++ set->curr_ip = inet->inet_daddr;
++ set->used_accept = 1;
++#endif
++ return;
++}
++
++int
++gr_handle_sock_all(const int family, const int type, const int protocol)
++{
++#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
++ if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) &&
++ (family != AF_UNIX)) {
++ if (family == AF_INET)
++ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol));
++ else
++ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_sock_server(const struct sockaddr *sck)
++{
++#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
++ if (grsec_enable_socket_server &&
++ in_group_p(grsec_socket_server_gid) &&
++ sck && (sck->sa_family != AF_UNIX) &&
++ (sck->sa_family != AF_LOCAL)) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_sock_server_other(const struct sock *sck)
++{
++#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
++ if (grsec_enable_socket_server &&
++ in_group_p(grsec_socket_server_gid) &&
++ sck && (sck->sk_family != AF_UNIX) &&
++ (sck->sk_family != AF_LOCAL)) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++int
++gr_handle_sock_client(const struct sockaddr *sck)
++{
++#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
++ if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) &&
++ sck && (sck->sa_family != AF_UNIX) &&
++ (sck->sa_family != AF_LOCAL)) {
++ gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
+diff --git a/grsecurity/grsec_sysctl.c b/grsecurity/grsec_sysctl.c
+new file mode 100644
+index 0000000..f55ef0f
+--- /dev/null
++++ b/grsecurity/grsec_sysctl.c
+@@ -0,0 +1,469 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/sysctl.h>
++#include <linux/grsecurity.h>
++#include <linux/grinternal.h>
++
++int
++gr_handle_sysctl_mod(const char *dirname, const char *name, const int op)
++{
++#ifdef CONFIG_GRKERNSEC_SYSCTL
++ if (dirname == NULL || name == NULL)
++ return 0;
++ if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) {
++ gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name);
++ return -EACCES;
++ }
++#endif
++ return 0;
++}
++
++#ifdef CONFIG_GRKERNSEC_ROFS
++static int __maybe_unused one = 1;
++#endif
++
++#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS)
++struct ctl_table grsecurity_table[] = {
++#ifdef CONFIG_GRKERNSEC_SYSCTL
++#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO
++#ifdef CONFIG_GRKERNSEC_IO
++ {
++ .procname = "disable_priv_io",
++ .data = &grsec_disable_privio,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#endif
++#ifdef CONFIG_GRKERNSEC_LINK
++ {
++ .procname = "linking_restrictions",
++ .data = &grsec_enable_link,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
++ {
++ .procname = "enforce_symlinksifowner",
++ .data = &grsec_enable_symlinkown,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "symlinkown_gid",
++ .data = &grsec_symlinkown_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_BRUTE
++ {
++ .procname = "deter_bruteforce",
++ .data = &grsec_enable_brute,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_FIFO
++ {
++ .procname = "fifo_restrictions",
++ .data = &grsec_enable_fifo,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
++ {
++ .procname = "ptrace_readexec",
++ .data = &grsec_enable_ptrace_readexec,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SETXID
++ {
++ .procname = "consistent_setxid",
++ .data = &grsec_enable_setxid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ {
++ .procname = "ip_blackhole",
++ .data = &grsec_enable_blackhole,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "lastack_retries",
++ .data = &grsec_lastack_retries,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_EXECLOG
++ {
++ .procname = "exec_logging",
++ .data = &grsec_enable_execlog,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
++ {
++ .procname = "rwxmap_logging",
++ .data = &grsec_enable_log_rwxmaps,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SIGNAL
++ {
++ .procname = "signal_logging",
++ .data = &grsec_enable_signal,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_FORKFAIL
++ {
++ .procname = "forkfail_logging",
++ .data = &grsec_enable_forkfail,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_TIME
++ {
++ .procname = "timechange_logging",
++ .data = &grsec_enable_time,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
++ {
++ .procname = "chroot_deny_shmat",
++ .data = &grsec_enable_chroot_shmat,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
++ {
++ .procname = "chroot_deny_unix",
++ .data = &grsec_enable_chroot_unix,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
++ {
++ .procname = "chroot_deny_mount",
++ .data = &grsec_enable_chroot_mount,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
++ {
++ .procname = "chroot_deny_fchdir",
++ .data = &grsec_enable_chroot_fchdir,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
++ {
++ .procname = "chroot_deny_chroot",
++ .data = &grsec_enable_chroot_double,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
++ {
++ .procname = "chroot_deny_pivot",
++ .data = &grsec_enable_chroot_pivot,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
++ {
++ .procname = "chroot_enforce_chdir",
++ .data = &grsec_enable_chroot_chdir,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
++ {
++ .procname = "chroot_deny_chmod",
++ .data = &grsec_enable_chroot_chmod,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
++ {
++ .procname = "chroot_deny_mknod",
++ .data = &grsec_enable_chroot_mknod,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
++ {
++ .procname = "chroot_restrict_nice",
++ .data = &grsec_enable_chroot_nice,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
++ {
++ .procname = "chroot_execlog",
++ .data = &grsec_enable_chroot_execlog,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
++ {
++ .procname = "chroot_caps",
++ .data = &grsec_enable_chroot_caps,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
++ {
++ .procname = "chroot_deny_sysctl",
++ .data = &grsec_enable_chroot_sysctl,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_TPE
++ {
++ .procname = "tpe",
++ .data = &grsec_enable_tpe,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "tpe_gid",
++ .data = &grsec_tpe_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_TPE_INVERT
++ {
++ .procname = "tpe_invert",
++ .data = &grsec_enable_tpe_invert,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_TPE_ALL
++ {
++ .procname = "tpe_restrict_all",
++ .data = &grsec_enable_tpe_all,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
++ {
++ .procname = "socket_all",
++ .data = &grsec_enable_socket_all,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "socket_all_gid",
++ .data = &grsec_socket_all_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
++ {
++ .procname = "socket_client",
++ .data = &grsec_enable_socket_client,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "socket_client_gid",
++ .data = &grsec_socket_client_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
++ {
++ .procname = "socket_server",
++ .data = &grsec_enable_socket_server,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "socket_server_gid",
++ .data = &grsec_socket_server_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
++ {
++ .procname = "audit_group",
++ .data = &grsec_enable_group,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++ {
++ .procname = "audit_gid",
++ .data = &grsec_audit_gid,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
++ {
++ .procname = "audit_chdir",
++ .data = &grsec_enable_chdir,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
++ {
++ .procname = "audit_mount",
++ .data = &grsec_enable_mount,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL
++ {
++ .procname = "audit_textrel",
++ .data = &grsec_enable_audit_textrel,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_DMESG
++ {
++ .procname = "dmesg",
++ .data = &grsec_enable_dmesg,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++ {
++ .procname = "chroot_findtask",
++ .data = &grsec_enable_chroot_findtask,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_RESLOG
++ {
++ .procname = "resource_logging",
++ .data = &grsec_resource_logging,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
++ {
++ .procname = "audit_ptrace",
++ .data = &grsec_enable_audit_ptrace,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
++ {
++ .procname = "harden_ptrace",
++ .data = &grsec_enable_harden_ptrace,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++ {
++ .procname = "grsec_lock",
++ .data = &grsec_lock,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++#endif
++#ifdef CONFIG_GRKERNSEC_ROFS
++ {
++ .procname = "romount_protect",
++ .data = &grsec_enable_rofs,
++ .maxlen = sizeof(int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec_minmax,
++ .extra1 = &one,
++ .extra2 = &one,
++ },
++#endif
++ { }
++};
++#endif
+diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c
+new file mode 100644
+index 0000000..0dc13c3
+--- /dev/null
++++ b/grsecurity/grsec_time.c
+@@ -0,0 +1,16 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/grinternal.h>
++#include <linux/module.h>
++
++void
++gr_log_timechange(void)
++{
++#ifdef CONFIG_GRKERNSEC_TIME
++ if (grsec_enable_time)
++ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG);
++#endif
++ return;
++}
++
++EXPORT_SYMBOL(gr_log_timechange);
+diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c
+new file mode 100644
+index 0000000..07e0dc0
+--- /dev/null
++++ b/grsecurity/grsec_tpe.c
+@@ -0,0 +1,73 @@
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++#include <linux/grinternal.h>
++
++extern int gr_acl_tpe_check(void);
++
++int
++gr_tpe_allow(const struct file *file)
++{
++#ifdef CONFIG_GRKERNSEC
++ struct inode *inode = file->f_path.dentry->d_parent->d_inode;
++ const struct cred *cred = current_cred();
++ char *msg = NULL;
++ char *msg2 = NULL;
++
++ // never restrict root
++ if (!cred->uid)
++ return 1;
++
++ if (grsec_enable_tpe) {
++#ifdef CONFIG_GRKERNSEC_TPE_INVERT
++ if (grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid))
++ msg = "not being in trusted group";
++ else if (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid))
++ msg = "being in untrusted group";
++#else
++ if (in_group_p(grsec_tpe_gid))
++ msg = "being in untrusted group";
++#endif
++ }
++ if (!msg && gr_acl_tpe_check())
++ msg = "being in untrusted role";
++
++ // not in any affected group/role
++ if (!msg)
++ goto next_check;
++
++ if (inode->i_uid)
++ msg2 = "file in non-root-owned directory";
++ else if (inode->i_mode & S_IWOTH)
++ msg2 = "file in world-writable directory";
++ else if (inode->i_mode & S_IWGRP)
++ msg2 = "file in group-writable directory";
++
++ if (msg && msg2) {
++ char fullmsg[70] = {0};
++ snprintf(fullmsg, sizeof(fullmsg)-1, "%s and %s", msg, msg2);
++ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, fullmsg, file->f_path.dentry, file->f_path.mnt);
++ return 0;
++ }
++ msg = NULL;
++next_check:
++#ifdef CONFIG_GRKERNSEC_TPE_ALL
++ if (!grsec_enable_tpe || !grsec_enable_tpe_all)
++ return 1;
++
++ if (inode->i_uid && (inode->i_uid != cred->uid))
++ msg = "directory not owned by user";
++ else if (inode->i_mode & S_IWOTH)
++ msg = "file in world-writable directory";
++ else if (inode->i_mode & S_IWGRP)
++ msg = "file in group-writable directory";
++
++ if (msg) {
++ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, msg, file->f_path.dentry, file->f_path.mnt);
++ return 0;
++ }
++#endif
++#endif
++ return 1;
++}
+diff --git a/grsecurity/grsum.c b/grsecurity/grsum.c
+new file mode 100644
+index 0000000..9f7b1ac
+--- /dev/null
++++ b/grsecurity/grsum.c
+@@ -0,0 +1,61 @@
++#include <linux/err.h>
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mm.h>
++#include <linux/scatterlist.h>
++#include <linux/crypto.h>
++#include <linux/gracl.h>
++
++
++#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE)
++#error "crypto and sha256 must be built into the kernel"
++#endif
++
++int
++chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum)
++{
++ char *p;
++ struct crypto_hash *tfm;
++ struct hash_desc desc;
++ struct scatterlist sg;
++ unsigned char temp_sum[GR_SHA_LEN];
++ volatile int retval = 0;
++ volatile int dummy = 0;
++ unsigned int i;
++
++ sg_init_table(&sg, 1);
++
++ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC);
++ if (IS_ERR(tfm)) {
++ /* should never happen, since sha256 should be built in */
++ return 1;
++ }
++
++ desc.tfm = tfm;
++ desc.flags = 0;
++
++ crypto_hash_init(&desc);
++
++ p = salt;
++ sg_set_buf(&sg, p, GR_SALT_LEN);
++ crypto_hash_update(&desc, &sg, sg.length);
++
++ p = entry->pw;
++ sg_set_buf(&sg, p, strlen(p));
++
++ crypto_hash_update(&desc, &sg, sg.length);
++
++ crypto_hash_final(&desc, temp_sum);
++
++ memset(entry->pw, 0, GR_PW_LEN);
++
++ for (i = 0; i < GR_SHA_LEN; i++)
++ if (sum[i] != temp_sum[i])
++ retval = 1;
++ else
++ dummy = 1; // waste a cycle
++
++ crypto_free_hash(tfm);
++
++ return retval;
++}
+diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
+index bde976e..a1cc32a 100644
+--- a/include/acpi/acpi_bus.h
++++ b/include/acpi/acpi_bus.h
+@@ -136,7 +136,7 @@ struct acpi_device_ops {
+ acpi_op_bind bind;
+ acpi_op_unbind unbind;
+ acpi_op_notify notify;
+-};
++} __no_const;
+
+ #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
+
+diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
+index 77ff547..181834f 100644
+--- a/include/asm-generic/4level-fixup.h
++++ b/include/asm-generic/4level-fixup.h
+@@ -13,8 +13,10 @@
+ #define pmd_alloc(mm, pud, address) \
+ ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
+ NULL: pmd_offset(pud, address))
++#define pmd_alloc_kernel(mm, pud, address) pmd_alloc((mm), (pud), (address))
+
+ #define pud_alloc(mm, pgd, address) (pgd)
++#define pud_alloc_kernel(mm, pgd, address) pud_alloc((mm), (pgd), (address))
+ #define pud_offset(pgd, start) (pgd)
+ #define pud_none(pud) 0
+ #define pud_bad(pud) 0
+diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
+index b7babf0..3ba8aee 100644
+--- a/include/asm-generic/atomic-long.h
++++ b/include/asm-generic/atomic-long.h
+@@ -22,6 +22,12 @@
+
+ typedef atomic64_t atomic_long_t;
+
++#ifdef CONFIG_PAX_REFCOUNT
++typedef atomic64_unchecked_t atomic_long_unchecked_t;
++#else
++typedef atomic64_t atomic_long_unchecked_t;
++#endif
++
+ #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
+
+ static inline long atomic_long_read(atomic_long_t *l)
+@@ -31,6 +37,15 @@ static inline long atomic_long_read(atomic_long_t *l)
+ return (long)atomic64_read(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ return (long)atomic64_read_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_set(atomic_long_t *l, long i)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -38,6 +53,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
+ atomic64_set(v, i);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ atomic64_set_unchecked(v, i);
++}
++#endif
++
+ static inline void atomic_long_inc(atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
+ atomic64_inc(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ atomic64_inc_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_dec(atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
+ atomic64_dec(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ atomic64_dec_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_add(long i, atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -59,6 +101,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
+ atomic64_add(i, v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ atomic64_add_unchecked(i, v);
++}
++#endif
++
+ static inline void atomic_long_sub(long i, atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -66,6 +117,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
+ atomic64_sub(i, v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ atomic64_sub_unchecked(i, v);
++}
++#endif
++
+ static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -115,6 +175,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
+ return (long)atomic64_inc_return(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
++
++ return (long)atomic64_inc_return_unchecked(v);
++}
++#endif
++
+ static inline long atomic_long_dec_return(atomic_long_t *l)
+ {
+ atomic64_t *v = (atomic64_t *)l;
+@@ -140,6 +209,12 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
+
+ typedef atomic_t atomic_long_t;
+
++#ifdef CONFIG_PAX_REFCOUNT
++typedef atomic_unchecked_t atomic_long_unchecked_t;
++#else
++typedef atomic_t atomic_long_unchecked_t;
++#endif
++
+ #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
+ static inline long atomic_long_read(atomic_long_t *l)
+ {
+@@ -148,6 +223,15 @@ static inline long atomic_long_read(atomic_long_t *l)
+ return (long)atomic_read(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ return (long)atomic_read_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_set(atomic_long_t *l, long i)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -155,6 +239,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
+ atomic_set(v, i);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ atomic_set_unchecked(v, i);
++}
++#endif
++
+ static inline void atomic_long_inc(atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -162,6 +255,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
+ atomic_inc(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ atomic_inc_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_dec(atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -169,6 +271,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
+ atomic_dec(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ atomic_dec_unchecked(v);
++}
++#endif
++
+ static inline void atomic_long_add(long i, atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -176,6 +287,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
+ atomic_add(i, v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ atomic_add_unchecked(i, v);
++}
++#endif
++
+ static inline void atomic_long_sub(long i, atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -183,6 +303,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
+ atomic_sub(i, v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ atomic_sub_unchecked(i, v);
++}
++#endif
++
+ static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -232,6 +361,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
+ return (long)atomic_inc_return(v);
+ }
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
++{
++ atomic_unchecked_t *v = (atomic_unchecked_t *)l;
++
++ return (long)atomic_inc_return_unchecked(v);
++}
++#endif
++
+ static inline long atomic_long_dec_return(atomic_long_t *l)
+ {
+ atomic_t *v = (atomic_t *)l;
+@@ -255,4 +393,55 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
+
+ #endif /* BITS_PER_LONG == 64 */
+
++#ifdef CONFIG_PAX_REFCOUNT
++static inline void pax_refcount_needs_these_functions(void)
++{
++ atomic_read_unchecked((atomic_unchecked_t *)NULL);
++ atomic_set_unchecked((atomic_unchecked_t *)NULL, 0);
++ atomic_add_unchecked(0, (atomic_unchecked_t *)NULL);
++ atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL);
++ atomic_inc_unchecked((atomic_unchecked_t *)NULL);
++ (void)atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL);
++ atomic_inc_return_unchecked((atomic_unchecked_t *)NULL);
++ atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL);
++ atomic_dec_unchecked((atomic_unchecked_t *)NULL);
++ atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0);
++ (void)atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0);
++#ifdef CONFIG_X86
++ atomic_clear_mask_unchecked(0, NULL);
++ atomic_set_mask_unchecked(0, NULL);
++#endif
++
++ atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL);
++ atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0);
++ atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL);
++ atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL);
++ atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL);
++ atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL);
++ atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL);
++}
++#else
++#define atomic_read_unchecked(v) atomic_read(v)
++#define atomic_set_unchecked(v, i) atomic_set((v), (i))
++#define atomic_add_unchecked(i, v) atomic_add((i), (v))
++#define atomic_sub_unchecked(i, v) atomic_sub((i), (v))
++#define atomic_inc_unchecked(v) atomic_inc(v)
++#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v)
++#define atomic_inc_return_unchecked(v) atomic_inc_return(v)
++#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v))
++#define atomic_dec_unchecked(v) atomic_dec(v)
++#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n))
++#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i))
++#define atomic_clear_mask_unchecked(mask, v) atomic_clear_mask((mask), (v))
++#define atomic_set_mask_unchecked(mask, v) atomic_set_mask((mask), (v))
++
++#define atomic_long_read_unchecked(v) atomic_long_read(v)
++#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i))
++#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v))
++#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v))
++#define atomic_long_inc_unchecked(v) atomic_long_inc(v)
++#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v)
++#define atomic_long_dec_unchecked(v) atomic_long_dec(v)
++#endif
++
+ #endif /* _ASM_GENERIC_ATOMIC_LONG_H */
+diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
+index 1ced641..c896ee8 100644
+--- a/include/asm-generic/atomic.h
++++ b/include/asm-generic/atomic.h
+@@ -159,7 +159,7 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
+ * Atomically clears the bits set in @mask from @v
+ */
+ #ifndef atomic_clear_mask
+-static inline void atomic_clear_mask(unsigned long mask, atomic_t *v)
++static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
+ {
+ unsigned long flags;
+
+diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
+index b18ce4f..2ee2843 100644
+--- a/include/asm-generic/atomic64.h
++++ b/include/asm-generic/atomic64.h
+@@ -16,6 +16,8 @@ typedef struct {
+ long long counter;
+ } atomic64_t;
+
++typedef atomic64_t atomic64_unchecked_t;
++
+ #define ATOMIC64_INIT(i) { (i) }
+
+ extern long long atomic64_read(const atomic64_t *v);
+@@ -39,4 +41,14 @@ extern int atomic64_add_unless(atomic64_t *v, long long a, long long u);
+ #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
+ #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
+
++#define atomic64_read_unchecked(v) atomic64_read(v)
++#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
++#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
++#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
++#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
++#define atomic64_inc_unchecked(v) atomic64_inc(v)
++#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
++#define atomic64_dec_unchecked(v) atomic64_dec(v)
++#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
++
+ #endif /* _ASM_GENERIC_ATOMIC64_H */
+diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h
+index 1bfcfe5..e04c5c9 100644
+--- a/include/asm-generic/cache.h
++++ b/include/asm-generic/cache.h
+@@ -6,7 +6,7 @@
+ * cache lines need to provide their own cache.h.
+ */
+
+-#define L1_CACHE_SHIFT 5
+-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
++#define L1_CACHE_SHIFT 5UL
++#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT)
+
+ #endif /* __ASM_GENERIC_CACHE_H */
+diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h
+index 0d68a1e..b74a761 100644
+--- a/include/asm-generic/emergency-restart.h
++++ b/include/asm-generic/emergency-restart.h
+@@ -1,7 +1,7 @@
+ #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H
+ #define _ASM_GENERIC_EMERGENCY_RESTART_H
+
+-static inline void machine_emergency_restart(void)
++static inline __noreturn void machine_emergency_restart(void)
+ {
+ machine_restart(NULL);
+ }
+diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
+index 90f99c7..00ce236 100644
+--- a/include/asm-generic/kmap_types.h
++++ b/include/asm-generic/kmap_types.h
+@@ -2,9 +2,9 @@
+ #define _ASM_GENERIC_KMAP_TYPES_H
+
+ #ifdef __WITH_KM_FENCE
+-# define KM_TYPE_NR 41
++# define KM_TYPE_NR 42
+ #else
+-# define KM_TYPE_NR 20
++# define KM_TYPE_NR 21
+ #endif
+
+ #endif
+diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
+index 9ceb03b..2efbcbd 100644
+--- a/include/asm-generic/local.h
++++ b/include/asm-generic/local.h
+@@ -39,6 +39,7 @@ typedef struct
+ #define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
+ #define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a))
+ #define local_inc_return(l) atomic_long_inc_return(&(l)->a)
++#define local_dec_return(l) atomic_long_dec_return(&(l)->a)
+
+ #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
+ #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
+diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
+index 725612b..9cc513a 100644
+--- a/include/asm-generic/pgtable-nopmd.h
++++ b/include/asm-generic/pgtable-nopmd.h
+@@ -1,14 +1,19 @@
+ #ifndef _PGTABLE_NOPMD_H
+ #define _PGTABLE_NOPMD_H
+
+-#ifndef __ASSEMBLY__
+-
+ #include <asm-generic/pgtable-nopud.h>
+
+-struct mm_struct;
+-
+ #define __PAGETABLE_PMD_FOLDED
+
++#define PMD_SHIFT PUD_SHIFT
++#define PTRS_PER_PMD 1
++#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT)
++#define PMD_MASK (~(PMD_SIZE-1))
++
++#ifndef __ASSEMBLY__
++
++struct mm_struct;
++
+ /*
+ * Having the pmd type consist of a pud gets the size right, and allows
+ * us to conceptually access the pud entry that this pmd is folded into
+@@ -16,11 +21,6 @@ struct mm_struct;
+ */
+ typedef struct { pud_t pud; } pmd_t;
+
+-#define PMD_SHIFT PUD_SHIFT
+-#define PTRS_PER_PMD 1
+-#define PMD_SIZE (1UL << PMD_SHIFT)
+-#define PMD_MASK (~(PMD_SIZE-1))
+-
+ /*
+ * The "pud_xxx()" functions here are trivial for a folded two-level
+ * setup: the pmd is never bad, and a pmd always exists (as it's folded
+diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
+index 810431d..0ec4804f 100644
+--- a/include/asm-generic/pgtable-nopud.h
++++ b/include/asm-generic/pgtable-nopud.h
+@@ -1,10 +1,15 @@
+ #ifndef _PGTABLE_NOPUD_H
+ #define _PGTABLE_NOPUD_H
+
+-#ifndef __ASSEMBLY__
+-
+ #define __PAGETABLE_PUD_FOLDED
+
++#define PUD_SHIFT PGDIR_SHIFT
++#define PTRS_PER_PUD 1
++#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT)
++#define PUD_MASK (~(PUD_SIZE-1))
++
++#ifndef __ASSEMBLY__
++
+ /*
+ * Having the pud type consist of a pgd gets the size right, and allows
+ * us to conceptually access the pgd entry that this pud is folded into
+@@ -12,11 +17,6 @@
+ */
+ typedef struct { pgd_t pgd; } pud_t;
+
+-#define PUD_SHIFT PGDIR_SHIFT
+-#define PTRS_PER_PUD 1
+-#define PUD_SIZE (1UL << PUD_SHIFT)
+-#define PUD_MASK (~(PUD_SIZE-1))
+-
+ /*
+ * The "pgd_xxx()" functions here are trivial for a folded two-level
+ * setup: the pud is never bad, and a pud always exists (as it's folded
+@@ -29,6 +29,7 @@ static inline void pgd_clear(pgd_t *pgd) { }
+ #define pud_ERROR(pud) (pgd_ERROR((pud).pgd))
+
+ #define pgd_populate(mm, pgd, pud) do { } while (0)
++#define pgd_populate_kernel(mm, pgd, pud) do { } while (0)
+ /*
+ * (puds are folded into pgds so this doesn't get actually called,
+ * but the define is needed for a generic inline function.)
+diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
+index ff4947b..f48183f 100644
+--- a/include/asm-generic/pgtable.h
++++ b/include/asm-generic/pgtable.h
+@@ -530,6 +530,14 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
+ #endif
+ }
+
++#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL
++static inline unsigned long pax_open_kernel(void) { return 0; }
++#endif
++
++#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL
++static inline unsigned long pax_close_kernel(void) { return 0; }
++#endif
++
+ #endif /* CONFIG_MMU */
+
+ #endif /* !__ASSEMBLY__ */
+diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
+index 4e2e1cc..12c266b 100644
+--- a/include/asm-generic/vmlinux.lds.h
++++ b/include/asm-generic/vmlinux.lds.h
+@@ -218,6 +218,7 @@
+ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__start_rodata) = .; \
+ *(.rodata) *(.rodata.*) \
++ *(.data..read_only) \
+ *(__vermagic) /* Kernel version magic */ \
+ . = ALIGN(8); \
+ VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \
+@@ -716,17 +717,18 @@
+ * section in the linker script will go there too. @phdr should have
+ * a leading colon.
+ *
+- * Note that this macros defines __per_cpu_load as an absolute symbol.
++ * Note that this macros defines per_cpu_load as an absolute symbol.
+ * If there is no need to put the percpu section at a predetermined
+ * address, use PERCPU_SECTION.
+ */
+ #define PERCPU_VADDR(cacheline, vaddr, phdr) \
+- VMLINUX_SYMBOL(__per_cpu_load) = .; \
+- .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \
++ per_cpu_load = .; \
++ .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \
+ - LOAD_OFFSET) { \
++ VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \
+ PERCPU_INPUT(cacheline) \
+ } phdr \
+- . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
++ . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu);
+
+ /**
+ * PERCPU_SECTION - define output section for percpu area, simple version
+diff --git a/include/drm/drmP.h b/include/drm/drmP.h
+index d6b67bb..a272c29 100644
+--- a/include/drm/drmP.h
++++ b/include/drm/drmP.h
+@@ -72,6 +72,7 @@
+ #include <linux/workqueue.h>
+ #include <linux/poll.h>
+ #include <asm/pgalloc.h>
++#include <asm/local.h>
+ #include "drm.h"
+
+ #include <linux/idr.h>
+@@ -1067,7 +1068,7 @@ struct drm_device {
+
+ /** \name Usage Counters */
+ /*@{ */
+- int open_count; /**< Outstanding files open */
++ local_t open_count; /**< Outstanding files open */
+ atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
+ atomic_t vma_count; /**< Outstanding vma areas open */
+ int buf_use; /**< Buffers in use -- cannot alloc */
+@@ -1078,7 +1079,7 @@ struct drm_device {
+ /*@{ */
+ unsigned long counters;
+ enum drm_stat_type types[15];
+- atomic_t counts[15];
++ atomic_unchecked_t counts[15];
+ /*@} */
+
+ struct list_head filelist;
+diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
+index e01cc80..319855d 100644
+--- a/include/drm/drm_crtc_helper.h
++++ b/include/drm/drm_crtc_helper.h
+@@ -81,7 +81,7 @@ struct drm_crtc_helper_funcs {
+
+ /* disable crtc when not in use - more explicit than dpms off */
+ void (*disable)(struct drm_crtc *crtc);
+-};
++} __no_const;
+
+ /**
+ * drm_encoder_helper_funcs - helper operations for encoders
+@@ -109,7 +109,7 @@ struct drm_encoder_helper_funcs {
+ struct drm_connector *connector);
+ /* disable encoder when not in use - more explicit than dpms off */
+ void (*disable)(struct drm_encoder *encoder);
+-};
++} __no_const;
+
+ /**
+ * drm_connector_helper_funcs - helper operations for connectors
+diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
+index d6d1da4..fdd1ac5 100644
+--- a/include/drm/ttm/ttm_memory.h
++++ b/include/drm/ttm/ttm_memory.h
+@@ -48,7 +48,7 @@
+
+ struct ttm_mem_shrink {
+ int (*do_shrink) (struct ttm_mem_shrink *);
+-};
++} __no_const;
+
+ /**
+ * struct ttm_mem_global - Global memory accounting structure.
+diff --git a/include/linux/a.out.h b/include/linux/a.out.h
+index e86dfca..40cc55f 100644
+--- a/include/linux/a.out.h
++++ b/include/linux/a.out.h
+@@ -39,6 +39,14 @@ enum machine_type {
+ M_MIPS2 = 152 /* MIPS R6000/R4000 binary */
+ };
+
++/* Constants for the N_FLAGS field */
++#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
++#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */
++#define F_PAX_MPROTECT 4 /* Restrict mprotect() */
++#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */
++/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
++#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
++
+ #if !defined (N_MAGIC)
+ #define N_MAGIC(exec) ((exec).a_info & 0xffff)
+ #endif
+diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
+index 06fd4bb..1caec0d 100644
+--- a/include/linux/atmdev.h
++++ b/include/linux/atmdev.h
+@@ -237,7 +237,7 @@ struct compat_atm_iobuf {
+ #endif
+
+ struct k_atm_aal_stats {
+-#define __HANDLE_ITEM(i) atomic_t i
++#define __HANDLE_ITEM(i) atomic_unchecked_t i
+ __AAL_STAT_ITEMS
+ #undef __HANDLE_ITEM
+ };
+diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
+index 366422b..1fa7f84 100644
+--- a/include/linux/binfmts.h
++++ b/include/linux/binfmts.h
+@@ -89,6 +89,7 @@ struct linux_binfmt {
+ int (*load_binary)(struct linux_binprm *, struct pt_regs * regs);
+ int (*load_shlib)(struct file *);
+ int (*core_dump)(struct coredump_params *cprm);
++ void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags);
+ unsigned long min_coredump; /* minimal dump size */
+ };
+
+diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
+index 4a2ab7c..a2de7a8 100644
+--- a/include/linux/blkdev.h
++++ b/include/linux/blkdev.h
+@@ -1420,7 +1420,7 @@ struct block_device_operations {
+ /* this callback is with swap_lock and sometimes page table lock held */
+ void (*swap_slot_free_notify) (struct block_device *, unsigned long);
+ struct module *owner;
+-};
++} __do_const;
+
+ extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
+ unsigned long);
+diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
+index 4d1a074..88f929a 100644
+--- a/include/linux/blktrace_api.h
++++ b/include/linux/blktrace_api.h
+@@ -162,7 +162,7 @@ struct blk_trace {
+ struct dentry *dir;
+ struct dentry *dropped_file;
+ struct dentry *msg_file;
+- atomic_t dropped;
++ atomic_unchecked_t dropped;
+ };
+
+ extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
+diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
+index 83195fb..0b0f77d 100644
+--- a/include/linux/byteorder/little_endian.h
++++ b/include/linux/byteorder/little_endian.h
+@@ -42,51 +42,51 @@
+
+ static inline __le64 __cpu_to_le64p(const __u64 *p)
+ {
+- return (__force __le64)*p;
++ return (__force const __le64)*p;
+ }
+ static inline __u64 __le64_to_cpup(const __le64 *p)
+ {
+- return (__force __u64)*p;
++ return (__force const __u64)*p;
+ }
+ static inline __le32 __cpu_to_le32p(const __u32 *p)
+ {
+- return (__force __le32)*p;
++ return (__force const __le32)*p;
+ }
+ static inline __u32 __le32_to_cpup(const __le32 *p)
+ {
+- return (__force __u32)*p;
++ return (__force const __u32)*p;
+ }
+ static inline __le16 __cpu_to_le16p(const __u16 *p)
+ {
+- return (__force __le16)*p;
++ return (__force const __le16)*p;
+ }
+ static inline __u16 __le16_to_cpup(const __le16 *p)
+ {
+- return (__force __u16)*p;
++ return (__force const __u16)*p;
+ }
+ static inline __be64 __cpu_to_be64p(const __u64 *p)
+ {
+- return (__force __be64)__swab64p(p);
++ return (__force const __be64)__swab64p(p);
+ }
+ static inline __u64 __be64_to_cpup(const __be64 *p)
+ {
+- return __swab64p((__u64 *)p);
++ return __swab64p((const __u64 *)p);
+ }
+ static inline __be32 __cpu_to_be32p(const __u32 *p)
+ {
+- return (__force __be32)__swab32p(p);
++ return (__force const __be32)__swab32p(p);
+ }
+ static inline __u32 __be32_to_cpup(const __be32 *p)
+ {
+- return __swab32p((__u32 *)p);
++ return __swab32p((const __u32 *)p);
+ }
+ static inline __be16 __cpu_to_be16p(const __u16 *p)
+ {
+- return (__force __be16)__swab16p(p);
++ return (__force const __be16)__swab16p(p);
+ }
+ static inline __u16 __be16_to_cpup(const __be16 *p)
+ {
+- return __swab16p((__u16 *)p);
++ return __swab16p((const __u16 *)p);
+ }
+ #define __cpu_to_le64s(x) do { (void)(x); } while (0)
+ #define __le64_to_cpus(x) do { (void)(x); } while (0)
+diff --git a/include/linux/cache.h b/include/linux/cache.h
+index 4c57065..4307975 100644
+--- a/include/linux/cache.h
++++ b/include/linux/cache.h
+@@ -16,6 +16,10 @@
+ #define __read_mostly
+ #endif
+
++#ifndef __read_only
++#define __read_only __read_mostly
++#endif
++
+ #ifndef ____cacheline_aligned
+ #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
+ #endif
+diff --git a/include/linux/capability.h b/include/linux/capability.h
+index d10b7ed..0288b79 100644
+--- a/include/linux/capability.h
++++ b/include/linux/capability.h
+@@ -553,10 +553,15 @@ extern bool capable(int cap);
+ extern bool ns_capable(struct user_namespace *ns, int cap);
+ extern bool nsown_capable(int cap);
+ extern bool inode_capable(const struct inode *inode, int cap);
++extern bool capable_nolog(int cap);
++extern bool ns_capable_nolog(struct user_namespace *ns, int cap);
++extern bool inode_capable_nolog(const struct inode *inode, int cap);
+
+ /* audit system wants to get cap info from files as well */
+ extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
+
++extern int is_privileged_binary(const struct dentry *dentry);
++
+ #endif /* __KERNEL__ */
+
+ #endif /* !_LINUX_CAPABILITY_H */
+diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
+index 42e55de..1cd0e66 100644
+--- a/include/linux/cleancache.h
++++ b/include/linux/cleancache.h
+@@ -31,7 +31,7 @@ struct cleancache_ops {
+ void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);
+ void (*invalidate_inode)(int, struct cleancache_filekey);
+ void (*invalidate_fs)(int);
+-};
++} __no_const;
+
+ extern struct cleancache_ops
+ cleancache_register_ops(struct cleancache_ops *ops);
+diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
+index 77335fa..6cbe7dd 100644
+--- a/include/linux/clk-provider.h
++++ b/include/linux/clk-provider.h
+@@ -111,6 +111,7 @@ struct clk_ops {
+ unsigned long);
+ void (*init)(struct clk_hw *hw);
+ };
++typedef struct clk_ops __no_const clk_ops_no_const;
+
+ /**
+ * struct clk_init_data - holds init data that's common to all clocks and is
+diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
+index 934bc34..1b47129 100644
+--- a/include/linux/compiler-gcc4.h
++++ b/include/linux/compiler-gcc4.h
+@@ -32,6 +32,21 @@
+ #define __linktime_error(message) __attribute__((__error__(message)))
+
+ #if __GNUC_MINOR__ >= 5
++
++#ifdef CONSTIFY_PLUGIN
++#define __no_const __attribute__((no_const))
++#define __do_const __attribute__((do_const))
++#endif
++
++#ifdef SIZE_OVERFLOW_PLUGIN
++#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__)))
++#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__)))
++#endif
++
++#ifdef LATENT_ENTROPY_PLUGIN
++#define __latent_entropy __attribute__((latent_entropy))
++#endif
++
+ /*
+ * Mark a position in code as unreachable. This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+@@ -47,6 +62,11 @@
+ #define __noclone __attribute__((__noclone__))
+
+ #endif
++
++#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__)))
++#define __bos(ptr, arg) __builtin_object_size((ptr), (arg))
++#define __bos0(ptr) __bos((ptr), 0)
++#define __bos1(ptr) __bos((ptr), 1)
+ #endif
+
+ #if __GNUC_MINOR__ >= 6
+diff --git a/include/linux/compiler.h b/include/linux/compiler.h
+index f430e41..38be90f 100644
+--- a/include/linux/compiler.h
++++ b/include/linux/compiler.h
+@@ -5,31 +5,62 @@
+
+ #ifdef __CHECKER__
+ # define __user __attribute__((noderef, address_space(1)))
++# define __force_user __force __user
+ # define __kernel __attribute__((address_space(0)))
++# define __force_kernel __force __kernel
+ # define __safe __attribute__((safe))
+ # define __force __attribute__((force))
+ # define __nocast __attribute__((nocast))
+ # define __iomem __attribute__((noderef, address_space(2)))
++# define __force_iomem __force __iomem
+ # define __acquires(x) __attribute__((context(x,0,1)))
+ # define __releases(x) __attribute__((context(x,1,0)))
+ # define __acquire(x) __context__(x,1)
+ # define __release(x) __context__(x,-1)
+ # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
+ # define __percpu __attribute__((noderef, address_space(3)))
++# define __force_percpu __force __percpu
+ #ifdef CONFIG_SPARSE_RCU_POINTER
+ # define __rcu __attribute__((noderef, address_space(4)))
++# define __force_rcu __force __rcu
+ #else
+ # define __rcu
++# define __force_rcu
+ #endif
+ extern void __chk_user_ptr(const volatile void __user *);
+ extern void __chk_io_ptr(const volatile void __iomem *);
++#elif defined(CHECKER_PLUGIN)
++//# define __user
++//# define __force_user
++//# define __kernel
++//# define __force_kernel
++# define __safe
++# define __force
++# define __nocast
++# define __iomem
++# define __force_iomem
++# define __chk_user_ptr(x) (void)0
++# define __chk_io_ptr(x) (void)0
++# define __builtin_warning(x, y...) (1)
++# define __acquires(x)
++# define __releases(x)
++# define __acquire(x) (void)0
++# define __release(x) (void)0
++# define __cond_lock(x,c) (c)
++# define __percpu
++# define __force_percpu
++# define __rcu
++# define __force_rcu
+ #else
+ # define __user
++# define __force_user
+ # define __kernel
++# define __force_kernel
+ # define __safe
+ # define __force
+ # define __nocast
+ # define __iomem
++# define __force_iomem
+ # define __chk_user_ptr(x) (void)0
+ # define __chk_io_ptr(x) (void)0
+ # define __builtin_warning(x, y...) (1)
+@@ -39,7 +70,9 @@ extern void __chk_io_ptr(const volatile void __iomem *);
+ # define __release(x) (void)0
+ # define __cond_lock(x,c) (c)
+ # define __percpu
++# define __force_percpu
+ # define __rcu
++# define __force_rcu
+ #endif
+
+ #ifdef __KERNEL__
+@@ -264,6 +297,26 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
+ # define __attribute_const__ /* unimplemented */
+ #endif
+
++#ifndef __no_const
++# define __no_const
++#endif
++
++#ifndef __do_const
++# define __do_const
++#endif
++
++#ifndef __size_overflow
++# define __size_overflow(...)
++#endif
++
++#ifndef __intentional_overflow
++# define __intentional_overflow(...)
++#endif
++
++#ifndef __latent_entropy
++# define __latent_entropy
++#endif
++
+ /*
+ * Tell gcc if a function is cold. The compiler will assume any path
+ * directly leading to the call is unlikely.
+@@ -273,6 +326,22 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
+ #define __cold
+ #endif
+
++#ifndef __alloc_size
++#define __alloc_size(...)
++#endif
++
++#ifndef __bos
++#define __bos(ptr, arg)
++#endif
++
++#ifndef __bos0
++#define __bos0(ptr)
++#endif
++
++#ifndef __bos1
++#define __bos1(ptr)
++#endif
++
+ /* Simple shorthand for a section definition */
+ #ifndef __section
+ # define __section(S) __attribute__ ((__section__(#S)))
+@@ -312,6 +381,7 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
+ * use is to mediate communication between process-level code and irq/NMI
+ * handlers, all running on the same CPU.
+ */
+-#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
++#define ACCESS_ONCE(x) (*(volatile const typeof(x) *)&(x))
++#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x))
+
+ #endif /* __LINUX_COMPILER_H */
+diff --git a/include/linux/cred.h b/include/linux/cred.h
+index ebbed2c..908cc2c 100644
+--- a/include/linux/cred.h
++++ b/include/linux/cred.h
+@@ -208,6 +208,9 @@ static inline void validate_creds_for_do_exit(struct task_struct *tsk)
+ static inline void validate_process_creds(void)
+ {
+ }
++static inline void validate_task_creds(struct task_struct *task)
++{
++}
+ #endif
+
+ /**
+diff --git a/include/linux/crypto.h b/include/linux/crypto.h
+index b92eadf..b4ecdc1 100644
+--- a/include/linux/crypto.h
++++ b/include/linux/crypto.h
+@@ -373,7 +373,7 @@ struct cipher_tfm {
+ const u8 *key, unsigned int keylen);
+ void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
+ void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
+-};
++} __no_const;
+
+ struct hash_tfm {
+ int (*init)(struct hash_desc *desc);
+@@ -394,13 +394,13 @@ struct compress_tfm {
+ int (*cot_decompress)(struct crypto_tfm *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen);
+-};
++} __no_const;
+
+ struct rng_tfm {
+ int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
+ unsigned int dlen);
+ int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
+-};
++} __no_const;
+
+ #define crt_ablkcipher crt_u.ablkcipher
+ #define crt_aead crt_u.aead
+diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
+index 7925bf0..d5143d2 100644
+--- a/include/linux/decompress/mm.h
++++ b/include/linux/decompress/mm.h
+@@ -77,7 +77,7 @@ static void free(void *where)
+ * warnings when not needed (indeed large_malloc / large_free are not
+ * needed by inflate */
+
+-#define malloc(a) kmalloc(a, GFP_KERNEL)
++#define malloc(a) kmalloc((a), GFP_KERNEL)
+ #define free(a) kfree(a)
+
+ #define large_malloc(a) vmalloc(a)
+diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
+index 94af418..b1ca7a2 100644
+--- a/include/linux/dma-mapping.h
++++ b/include/linux/dma-mapping.h
+@@ -54,7 +54,7 @@ struct dma_map_ops {
+ u64 (*get_required_mask)(struct device *dev);
+ #endif
+ int is_phys;
+-};
++} __do_const;
+
+ #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
+
+diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
+index 9c02a45..89fdd73 100644
+--- a/include/linux/dmaengine.h
++++ b/include/linux/dmaengine.h
+@@ -1017,9 +1017,9 @@ struct dma_pinned_list {
+ struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len);
+ void dma_unpin_iovec_pages(struct dma_pinned_list* pinned_list);
+
+-dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
++dma_cookie_t __intentional_overflow(0) dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
+ struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len);
+-dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
++dma_cookie_t __intentional_overflow(0) dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
+ struct dma_pinned_list *pinned_list, struct page *page,
+ unsigned int offset, size_t len);
+
+diff --git a/include/linux/efi.h b/include/linux/efi.h
+index 5782114..e9b1ba1 100644
+--- a/include/linux/efi.h
++++ b/include/linux/efi.h
+@@ -640,7 +640,7 @@ struct efivar_operations {
+ efi_get_variable_t *get_variable;
+ efi_get_next_variable_t *get_next_variable;
+ efi_set_variable_t *set_variable;
+-};
++} __no_const;
+
+ struct efivars {
+ /*
+diff --git a/include/linux/elf.h b/include/linux/elf.h
+index 999b4f5..57753b4 100644
+--- a/include/linux/elf.h
++++ b/include/linux/elf.h
+@@ -40,6 +40,17 @@ typedef __s64 Elf64_Sxword;
+ #define PT_GNU_EH_FRAME 0x6474e550
+
+ #define PT_GNU_STACK (PT_LOOS + 0x474e551)
++#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
++
++#define PT_PAX_FLAGS (PT_LOOS + 0x5041580)
++
++/* Constants for the e_flags field */
++#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
++#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */
++#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */
++#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */
++/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
++#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
+
+ /*
+ * Extended Numbering
+@@ -97,6 +108,8 @@ typedef __s64 Elf64_Sxword;
+ #define DT_DEBUG 21
+ #define DT_TEXTREL 22
+ #define DT_JMPREL 23
++#define DT_FLAGS 30
++ #define DF_TEXTREL 0x00000004
+ #define DT_ENCODING 32
+ #define OLD_DT_LOOS 0x60000000
+ #define DT_LOOS 0x6000000d
+@@ -243,6 +256,19 @@ typedef struct elf64_hdr {
+ #define PF_W 0x2
+ #define PF_X 0x1
+
++#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */
++#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */
++#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */
++#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */
++#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */
++#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */
++/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */
++/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */
++#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */
++#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */
++#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */
++#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */
++
+ typedef struct elf32_phdr{
+ Elf32_Word p_type;
+ Elf32_Off p_offset;
+@@ -335,6 +361,8 @@ typedef struct elf64_shdr {
+ #define EI_OSABI 7
+ #define EI_PAD 8
+
++#define EI_PAX 14
++
+ #define ELFMAG0 0x7f /* EI_MAG */
+ #define ELFMAG1 'E'
+ #define ELFMAG2 'L'
+@@ -421,6 +449,7 @@ extern Elf32_Dyn _DYNAMIC [];
+ #define elf_note elf32_note
+ #define elf_addr_t Elf32_Off
+ #define Elf_Half Elf32_Half
++#define elf_dyn Elf32_Dyn
+
+ #else
+
+@@ -431,6 +460,7 @@ extern Elf64_Dyn _DYNAMIC [];
+ #define elf_note elf64_note
+ #define elf_addr_t Elf64_Off
+ #define Elf_Half Elf64_Half
++#define elf_dyn Elf64_Dyn
+
+ #endif
+
+diff --git a/include/linux/filter.h b/include/linux/filter.h
+index 82b0135..917914d 100644
+--- a/include/linux/filter.h
++++ b/include/linux/filter.h
+@@ -146,6 +146,7 @@ struct compat_sock_fprog {
+
+ struct sk_buff;
+ struct sock;
++struct bpf_jit_work;
+
+ struct sk_filter
+ {
+@@ -153,6 +154,9 @@ struct sk_filter
+ unsigned int len; /* Number of filter blocks */
+ unsigned int (*bpf_func)(const struct sk_buff *skb,
+ const struct sock_filter *filter);
++#ifdef CONFIG_BPF_JIT
++ struct bpf_jit_work *work;
++#endif
+ struct rcu_head rcu;
+ struct sock_filter insns[0];
+ };
+diff --git a/include/linux/firewire.h b/include/linux/firewire.h
+index db04ec5..f6ed627 100644
+--- a/include/linux/firewire.h
++++ b/include/linux/firewire.h
+@@ -430,7 +430,7 @@ struct fw_iso_context {
+ union {
+ fw_iso_callback_t sc;
+ fw_iso_mc_callback_t mc;
+- } callback;
++ } __no_const callback;
+ void *callback_data;
+ };
+
+diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
+index 0e4e2ee..4ff4312 100644
+--- a/include/linux/frontswap.h
++++ b/include/linux/frontswap.h
+@@ -11,7 +11,7 @@ struct frontswap_ops {
+ int (*load)(unsigned, pgoff_t, struct page *);
+ void (*invalidate_page)(unsigned, pgoff_t);
+ void (*invalidate_area)(unsigned);
+-};
++} __no_const;
+
+ extern bool frontswap_enabled;
+ extern struct frontswap_ops
+diff --git a/include/linux/fs.h b/include/linux/fs.h
+index aa11047..7d046d0 100644
+--- a/include/linux/fs.h
++++ b/include/linux/fs.h
+@@ -1802,7 +1802,8 @@ struct file_operations {
+ int (*setlease)(struct file *, long, struct file_lock **);
+ long (*fallocate)(struct file *file, int mode, loff_t offset,
+ loff_t len);
+-};
++} __do_const;
++typedef struct file_operations __no_const file_operations_no_const;
+
+ struct inode_operations {
+ struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
+diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
+index 003dc0f..3c4ea97 100644
+--- a/include/linux/fs_struct.h
++++ b/include/linux/fs_struct.h
+@@ -6,7 +6,7 @@
+ #include <linux/seqlock.h>
+
+ struct fs_struct {
+- int users;
++ atomic_t users;
+ spinlock_t lock;
+ seqcount_t seq;
+ int umask;
+diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
+index ce31408..b1ad003 100644
+--- a/include/linux/fscache-cache.h
++++ b/include/linux/fscache-cache.h
+@@ -102,7 +102,7 @@ struct fscache_operation {
+ fscache_operation_release_t release;
+ };
+
+-extern atomic_t fscache_op_debug_id;
++extern atomic_unchecked_t fscache_op_debug_id;
+ extern void fscache_op_work_func(struct work_struct *work);
+
+ extern void fscache_enqueue_operation(struct fscache_operation *);
+@@ -122,7 +122,7 @@ static inline void fscache_operation_init(struct fscache_operation *op,
+ {
+ INIT_WORK(&op->work, fscache_op_work_func);
+ atomic_set(&op->usage, 1);
+- op->debug_id = atomic_inc_return(&fscache_op_debug_id);
++ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
+ op->processor = processor;
+ op->release = release;
+ INIT_LIST_HEAD(&op->pend_link);
+diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
+index a6dfe69..569586df 100644
+--- a/include/linux/fsnotify.h
++++ b/include/linux/fsnotify.h
+@@ -315,7 +315,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
+ */
+ static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name)
+ {
+- return kstrdup(name, GFP_KERNEL);
++ return (const unsigned char *)kstrdup((const char *)name, GFP_KERNEL);
+ }
+
+ /*
+diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
+index 63d966d..cdcb717 100644
+--- a/include/linux/fsnotify_backend.h
++++ b/include/linux/fsnotify_backend.h
+@@ -105,6 +105,7 @@ struct fsnotify_ops {
+ void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
+ void (*free_event_priv)(struct fsnotify_event_private_data *priv);
+ };
++typedef struct fsnotify_ops __no_const fsnotify_ops_no_const;
+
+ /*
+ * A group is a "thing" that wants to receive notification about filesystem
+diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
+index 642928c..e6c83a7 100644
+--- a/include/linux/ftrace_event.h
++++ b/include/linux/ftrace_event.h
+@@ -97,7 +97,7 @@ struct trace_event_functions {
+ trace_print_func raw;
+ trace_print_func hex;
+ trace_print_func binary;
+-};
++} __no_const;
+
+ struct trace_event {
+ struct hlist_node node;
+@@ -266,7 +266,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
+ extern int trace_add_event_call(struct ftrace_event_call *call);
+ extern void trace_remove_event_call(struct ftrace_event_call *call);
+
+-#define is_signed_type(type) (((type)(-1)) < 0)
++#define is_signed_type(type) (((type)(-1)) < (type)1)
+
+ int trace_set_clr_event(const char *system, const char *event, int set);
+
+diff --git a/include/linux/genhd.h b/include/linux/genhd.h
+index 4f440b3..342233a 100644
+--- a/include/linux/genhd.h
++++ b/include/linux/genhd.h
+@@ -190,7 +190,7 @@ struct gendisk {
+ struct kobject *slave_dir;
+
+ struct timer_rand_state *random;
+- atomic_t sync_io; /* RAID */
++ atomic_unchecked_t sync_io; /* RAID */
+ struct disk_events *ev;
+ #ifdef CONFIG_BLK_DEV_INTEGRITY
+ struct blk_integrity *integrity;
+diff --git a/include/linux/gfp.h b/include/linux/gfp.h
+index 4883f39..26688a8 100644
+--- a/include/linux/gfp.h
++++ b/include/linux/gfp.h
+@@ -39,6 +39,12 @@ struct vm_area_struct;
+ #define ___GFP_OTHER_NODE 0x800000u
+ #define ___GFP_WRITE 0x1000000u
+
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++#define ___GFP_USERCOPY 0x2000000u
++#else
++#define ___GFP_USERCOPY 0
++#endif
++
+ /*
+ * GFP bitmasks..
+ *
+@@ -93,6 +99,7 @@ struct vm_area_struct;
+ #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD)
+ #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */
+ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */
++#define __GFP_USERCOPY ((__force gfp_t)___GFP_USERCOPY)/* Allocator intends to copy page to/from userland */
+
+ /*
+ * This may seem redundant, but it's a way of annotating false positives vs.
+@@ -100,7 +107,7 @@ struct vm_area_struct;
+ */
+ #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
+
+-#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */
++#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */
+ #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
+
+ /* This equals 0, but use constants in case they ever change */
+@@ -154,6 +161,8 @@ struct vm_area_struct;
+ /* 4GB DMA on some platforms */
+ #define GFP_DMA32 __GFP_DMA32
+
++#define GFP_USERCOPY __GFP_USERCOPY
++
+ /* Convert GFP flags to their corresponding migrate type */
+ static inline int allocflags_to_migratetype(gfp_t gfp_flags)
+ {
+diff --git a/include/linux/gracl.h b/include/linux/gracl.h
+new file mode 100644
+index 0000000..c938b1f
+--- /dev/null
++++ b/include/linux/gracl.h
+@@ -0,0 +1,319 @@
++#ifndef GR_ACL_H
++#define GR_ACL_H
++
++#include <linux/grdefs.h>
++#include <linux/resource.h>
++#include <linux/capability.h>
++#include <linux/dcache.h>
++#include <asm/resource.h>
++
++/* Major status information */
++
++#define GR_VERSION "grsecurity 2.9.1"
++#define GRSECURITY_VERSION 0x2901
++
++enum {
++ GR_SHUTDOWN = 0,
++ GR_ENABLE = 1,
++ GR_SPROLE = 2,
++ GR_RELOAD = 3,
++ GR_SEGVMOD = 4,
++ GR_STATUS = 5,
++ GR_UNSPROLE = 6,
++ GR_PASSSET = 7,
++ GR_SPROLEPAM = 8,
++};
++
++/* Password setup definitions
++ * kernel/grhash.c */
++enum {
++ GR_PW_LEN = 128,
++ GR_SALT_LEN = 16,
++ GR_SHA_LEN = 32,
++};
++
++enum {
++ GR_SPROLE_LEN = 64,
++};
++
++enum {
++ GR_NO_GLOB = 0,
++ GR_REG_GLOB,
++ GR_CREATE_GLOB
++};
++
++#define GR_NLIMITS 32
++
++/* Begin Data Structures */
++
++struct sprole_pw {
++ unsigned char *rolename;
++ unsigned char salt[GR_SALT_LEN];
++ unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */
++};
++
++struct name_entry {
++ __u32 key;
++ ino_t inode;
++ dev_t device;
++ char *name;
++ __u16 len;
++ __u8 deleted;
++ struct name_entry *prev;
++ struct name_entry *next;
++};
++
++struct inodev_entry {
++ struct name_entry *nentry;
++ struct inodev_entry *prev;
++ struct inodev_entry *next;
++};
++
++struct acl_role_db {
++ struct acl_role_label **r_hash;
++ __u32 r_size;
++};
++
++struct inodev_db {
++ struct inodev_entry **i_hash;
++ __u32 i_size;
++};
++
++struct name_db {
++ struct name_entry **n_hash;
++ __u32 n_size;
++};
++
++struct crash_uid {
++ uid_t uid;
++ unsigned long expires;
++};
++
++struct gr_hash_struct {
++ void **table;
++ void **nametable;
++ void *first;
++ __u32 table_size;
++ __u32 used_size;
++ int type;
++};
++
++/* Userspace Grsecurity ACL data structures */
++
++struct acl_subject_label {
++ char *filename;
++ ino_t inode;
++ dev_t device;
++ __u32 mode;
++ kernel_cap_t cap_mask;
++ kernel_cap_t cap_lower;
++ kernel_cap_t cap_invert_audit;
++
++ struct rlimit res[GR_NLIMITS];
++ __u32 resmask;
++
++ __u8 user_trans_type;
++ __u8 group_trans_type;
++ uid_t *user_transitions;
++ gid_t *group_transitions;
++ __u16 user_trans_num;
++ __u16 group_trans_num;
++
++ __u32 sock_families[2];
++ __u32 ip_proto[8];
++ __u32 ip_type;
++ struct acl_ip_label **ips;
++ __u32 ip_num;
++ __u32 inaddr_any_override;
++
++ __u32 crashes;
++ unsigned long expires;
++
++ struct acl_subject_label *parent_subject;
++ struct gr_hash_struct *hash;
++ struct acl_subject_label *prev;
++ struct acl_subject_label *next;
++
++ struct acl_object_label **obj_hash;
++ __u32 obj_hash_size;
++ __u16 pax_flags;
++};
++
++struct role_allowed_ip {
++ __u32 addr;
++ __u32 netmask;
++
++ struct role_allowed_ip *prev;
++ struct role_allowed_ip *next;
++};
++
++struct role_transition {
++ char *rolename;
++
++ struct role_transition *prev;
++ struct role_transition *next;
++};
++
++struct acl_role_label {
++ char *rolename;
++ uid_t uidgid;
++ __u16 roletype;
++
++ __u16 auth_attempts;
++ unsigned long expires;
++
++ struct acl_subject_label *root_label;
++ struct gr_hash_struct *hash;
++
++ struct acl_role_label *prev;
++ struct acl_role_label *next;
++
++ struct role_transition *transitions;
++ struct role_allowed_ip *allowed_ips;
++ uid_t *domain_children;
++ __u16 domain_child_num;
++
++ umode_t umask;
++
++ struct acl_subject_label **subj_hash;
++ __u32 subj_hash_size;
++};
++
++struct user_acl_role_db {
++ struct acl_role_label **r_table;
++ __u32 num_pointers; /* Number of allocations to track */
++ __u32 num_roles; /* Number of roles */
++ __u32 num_domain_children; /* Number of domain children */
++ __u32 num_subjects; /* Number of subjects */
++ __u32 num_objects; /* Number of objects */
++};
++
++struct acl_object_label {
++ char *filename;
++ ino_t inode;
++ dev_t device;
++ __u32 mode;
++
++ struct acl_subject_label *nested;
++ struct acl_object_label *globbed;
++
++ /* next two structures not used */
++
++ struct acl_object_label *prev;
++ struct acl_object_label *next;
++};
++
++struct acl_ip_label {
++ char *iface;
++ __u32 addr;
++ __u32 netmask;
++ __u16 low, high;
++ __u8 mode;
++ __u32 type;
++ __u32 proto[8];
++
++ /* next two structures not used */
++
++ struct acl_ip_label *prev;
++ struct acl_ip_label *next;
++};
++
++struct gr_arg {
++ struct user_acl_role_db role_db;
++ unsigned char pw[GR_PW_LEN];
++ unsigned char salt[GR_SALT_LEN];
++ unsigned char sum[GR_SHA_LEN];
++ unsigned char sp_role[GR_SPROLE_LEN];
++ struct sprole_pw *sprole_pws;
++ dev_t segv_device;
++ ino_t segv_inode;
++ uid_t segv_uid;
++ __u16 num_sprole_pws;
++ __u16 mode;
++};
++
++struct gr_arg_wrapper {
++ struct gr_arg *arg;
++ __u32 version;
++ __u32 size;
++};
++
++struct subject_map {
++ struct acl_subject_label *user;
++ struct acl_subject_label *kernel;
++ struct subject_map *prev;
++ struct subject_map *next;
++};
++
++struct acl_subj_map_db {
++ struct subject_map **s_hash;
++ __u32 s_size;
++};
++
++/* End Data Structures Section */
++
++/* Hash functions generated by empirical testing by Brad Spengler
++ Makes good use of the low bits of the inode. Generally 0-1 times
++ in loop for successful match. 0-3 for unsuccessful match.
++ Shift/add algorithm with modulus of table size and an XOR*/
++
++static __inline__ unsigned int
++rhash(const uid_t uid, const __u16 type, const unsigned int sz)
++{
++ return ((((uid + type) << (16 + type)) ^ uid) % sz);
++}
++
++ static __inline__ unsigned int
++shash(const struct acl_subject_label *userp, const unsigned int sz)
++{
++ return ((const unsigned long)userp % sz);
++}
++
++static __inline__ unsigned int
++fhash(const ino_t ino, const dev_t dev, const unsigned int sz)
++{
++ return (((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9))) % sz);
++}
++
++static __inline__ unsigned int
++nhash(const char *name, const __u16 len, const unsigned int sz)
++{
++ return full_name_hash((const unsigned char *)name, len) % sz;
++}
++
++#define FOR_EACH_ROLE_START(role) \
++ role = role_list; \
++ while (role) {
++
++#define FOR_EACH_ROLE_END(role) \
++ role = role->prev; \
++ }
++
++#define FOR_EACH_SUBJECT_START(role,subj,iter) \
++ subj = NULL; \
++ iter = 0; \
++ while (iter < role->subj_hash_size) { \
++ if (subj == NULL) \
++ subj = role->subj_hash[iter]; \
++ if (subj == NULL) { \
++ iter++; \
++ continue; \
++ }
++
++#define FOR_EACH_SUBJECT_END(subj,iter) \
++ subj = subj->next; \
++ if (subj == NULL) \
++ iter++; \
++ }
++
++
++#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \
++ subj = role->hash->first; \
++ while (subj != NULL) {
++
++#define FOR_EACH_NESTED_SUBJECT_END(subj) \
++ subj = subj->next; \
++ }
++
++#endif
++
+diff --git a/include/linux/gralloc.h b/include/linux/gralloc.h
+new file mode 100644
+index 0000000..323ecf2
+--- /dev/null
++++ b/include/linux/gralloc.h
+@@ -0,0 +1,9 @@
++#ifndef __GRALLOC_H
++#define __GRALLOC_H
++
++void acl_free_all(void);
++int acl_alloc_stack_init(unsigned long size);
++void *acl_alloc(unsigned long len);
++void *acl_alloc_num(unsigned long num, unsigned long len);
++
++#endif
+diff --git a/include/linux/grdefs.h b/include/linux/grdefs.h
+new file mode 100644
+index 0000000..b30e9bc
+--- /dev/null
++++ b/include/linux/grdefs.h
+@@ -0,0 +1,140 @@
++#ifndef GRDEFS_H
++#define GRDEFS_H
++
++/* Begin grsecurity status declarations */
++
++enum {
++ GR_READY = 0x01,
++ GR_STATUS_INIT = 0x00 // disabled state
++};
++
++/* Begin ACL declarations */
++
++/* Role flags */
++
++enum {
++ GR_ROLE_USER = 0x0001,
++ GR_ROLE_GROUP = 0x0002,
++ GR_ROLE_DEFAULT = 0x0004,
++ GR_ROLE_SPECIAL = 0x0008,
++ GR_ROLE_AUTH = 0x0010,
++ GR_ROLE_NOPW = 0x0020,
++ GR_ROLE_GOD = 0x0040,
++ GR_ROLE_LEARN = 0x0080,
++ GR_ROLE_TPE = 0x0100,
++ GR_ROLE_DOMAIN = 0x0200,
++ GR_ROLE_PAM = 0x0400,
++ GR_ROLE_PERSIST = 0x0800
++};
++
++/* ACL Subject and Object mode flags */
++enum {
++ GR_DELETED = 0x80000000
++};
++
++/* ACL Object-only mode flags */
++enum {
++ GR_READ = 0x00000001,
++ GR_APPEND = 0x00000002,
++ GR_WRITE = 0x00000004,
++ GR_EXEC = 0x00000008,
++ GR_FIND = 0x00000010,
++ GR_INHERIT = 0x00000020,
++ GR_SETID = 0x00000040,
++ GR_CREATE = 0x00000080,
++ GR_DELETE = 0x00000100,
++ GR_LINK = 0x00000200,
++ GR_AUDIT_READ = 0x00000400,
++ GR_AUDIT_APPEND = 0x00000800,
++ GR_AUDIT_WRITE = 0x00001000,
++ GR_AUDIT_EXEC = 0x00002000,
++ GR_AUDIT_FIND = 0x00004000,
++ GR_AUDIT_INHERIT= 0x00008000,
++ GR_AUDIT_SETID = 0x00010000,
++ GR_AUDIT_CREATE = 0x00020000,
++ GR_AUDIT_DELETE = 0x00040000,
++ GR_AUDIT_LINK = 0x00080000,
++ GR_PTRACERD = 0x00100000,
++ GR_NOPTRACE = 0x00200000,
++ GR_SUPPRESS = 0x00400000,
++ GR_NOLEARN = 0x00800000,
++ GR_INIT_TRANSFER= 0x01000000
++};
++
++#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \
++ GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \
++ GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK)
++
++/* ACL subject-only mode flags */
++enum {
++ GR_KILL = 0x00000001,
++ GR_VIEW = 0x00000002,
++ GR_PROTECTED = 0x00000004,
++ GR_LEARN = 0x00000008,
++ GR_OVERRIDE = 0x00000010,
++ /* just a placeholder, this mode is only used in userspace */
++ GR_DUMMY = 0x00000020,
++ GR_PROTSHM = 0x00000040,
++ GR_KILLPROC = 0x00000080,
++ GR_KILLIPPROC = 0x00000100,
++ /* just a placeholder, this mode is only used in userspace */
++ GR_NOTROJAN = 0x00000200,
++ GR_PROTPROCFD = 0x00000400,
++ GR_PROCACCT = 0x00000800,
++ GR_RELAXPTRACE = 0x00001000,
++ GR_NESTED = 0x00002000,
++ GR_INHERITLEARN = 0x00004000,
++ GR_PROCFIND = 0x00008000,
++ GR_POVERRIDE = 0x00010000,
++ GR_KERNELAUTH = 0x00020000,
++ GR_ATSECURE = 0x00040000,
++ GR_SHMEXEC = 0x00080000
++};
++
++enum {
++ GR_PAX_ENABLE_SEGMEXEC = 0x0001,
++ GR_PAX_ENABLE_PAGEEXEC = 0x0002,
++ GR_PAX_ENABLE_MPROTECT = 0x0004,
++ GR_PAX_ENABLE_RANDMMAP = 0x0008,
++ GR_PAX_ENABLE_EMUTRAMP = 0x0010,
++ GR_PAX_DISABLE_SEGMEXEC = 0x0100,
++ GR_PAX_DISABLE_PAGEEXEC = 0x0200,
++ GR_PAX_DISABLE_MPROTECT = 0x0400,
++ GR_PAX_DISABLE_RANDMMAP = 0x0800,
++ GR_PAX_DISABLE_EMUTRAMP = 0x1000,
++};
++
++enum {
++ GR_ID_USER = 0x01,
++ GR_ID_GROUP = 0x02,
++};
++
++enum {
++ GR_ID_ALLOW = 0x01,
++ GR_ID_DENY = 0x02,
++};
++
++#define GR_CRASH_RES 31
++#define GR_UIDTABLE_MAX 500
++
++/* begin resource learning section */
++enum {
++ GR_RLIM_CPU_BUMP = 60,
++ GR_RLIM_FSIZE_BUMP = 50000,
++ GR_RLIM_DATA_BUMP = 10000,
++ GR_RLIM_STACK_BUMP = 1000,
++ GR_RLIM_CORE_BUMP = 10000,
++ GR_RLIM_RSS_BUMP = 500000,
++ GR_RLIM_NPROC_BUMP = 1,
++ GR_RLIM_NOFILE_BUMP = 5,
++ GR_RLIM_MEMLOCK_BUMP = 50000,
++ GR_RLIM_AS_BUMP = 500000,
++ GR_RLIM_LOCKS_BUMP = 2,
++ GR_RLIM_SIGPENDING_BUMP = 5,
++ GR_RLIM_MSGQUEUE_BUMP = 10000,
++ GR_RLIM_NICE_BUMP = 1,
++ GR_RLIM_RTPRIO_BUMP = 1,
++ GR_RLIM_RTTIME_BUMP = 1000000
++};
++
++#endif
+diff --git a/include/linux/grinternal.h b/include/linux/grinternal.h
+new file mode 100644
+index 0000000..c9292f7
+--- /dev/null
++++ b/include/linux/grinternal.h
+@@ -0,0 +1,223 @@
++#ifndef __GRINTERNAL_H
++#define __GRINTERNAL_H
++
++#ifdef CONFIG_GRKERNSEC
++
++#include <linux/fs.h>
++#include <linux/mnt_namespace.h>
++#include <linux/nsproxy.h>
++#include <linux/gracl.h>
++#include <linux/grdefs.h>
++#include <linux/grmsg.h>
++
++void gr_add_learn_entry(const char *fmt, ...)
++ __attribute__ ((format (printf, 1, 2)));
++__u32 gr_search_file(const struct dentry *dentry, const __u32 mode,
++ const struct vfsmount *mnt);
++__u32 gr_check_create(const struct dentry *new_dentry,
++ const struct dentry *parent,
++ const struct vfsmount *mnt, const __u32 mode);
++int gr_check_protected_task(const struct task_struct *task);
++__u32 to_gr_audit(const __u32 reqmode);
++int gr_set_acls(const int type);
++int gr_apply_subject_to_task(struct task_struct *task);
++int gr_acl_is_enabled(void);
++char gr_roletype_to_char(void);
++
++void gr_handle_alertkill(struct task_struct *task);
++char *gr_to_filename(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++char *gr_to_filename1(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++char *gr_to_filename2(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++char *gr_to_filename3(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++
++extern int grsec_enable_ptrace_readexec;
++extern int grsec_enable_harden_ptrace;
++extern int grsec_enable_link;
++extern int grsec_enable_fifo;
++extern int grsec_enable_execve;
++extern int grsec_enable_shm;
++extern int grsec_enable_execlog;
++extern int grsec_enable_signal;
++extern int grsec_enable_audit_ptrace;
++extern int grsec_enable_forkfail;
++extern int grsec_enable_time;
++extern int grsec_enable_rofs;
++extern int grsec_enable_chroot_shmat;
++extern int grsec_enable_chroot_mount;
++extern int grsec_enable_chroot_double;
++extern int grsec_enable_chroot_pivot;
++extern int grsec_enable_chroot_chdir;
++extern int grsec_enable_chroot_chmod;
++extern int grsec_enable_chroot_mknod;
++extern int grsec_enable_chroot_fchdir;
++extern int grsec_enable_chroot_nice;
++extern int grsec_enable_chroot_execlog;
++extern int grsec_enable_chroot_caps;
++extern int grsec_enable_chroot_sysctl;
++extern int grsec_enable_chroot_unix;
++extern int grsec_enable_symlinkown;
++extern int grsec_symlinkown_gid;
++extern int grsec_enable_tpe;
++extern int grsec_tpe_gid;
++extern int grsec_enable_tpe_all;
++extern int grsec_enable_tpe_invert;
++extern int grsec_enable_socket_all;
++extern int grsec_socket_all_gid;
++extern int grsec_enable_socket_client;
++extern int grsec_socket_client_gid;
++extern int grsec_enable_socket_server;
++extern int grsec_socket_server_gid;
++extern int grsec_audit_gid;
++extern int grsec_enable_group;
++extern int grsec_enable_audit_textrel;
++extern int grsec_enable_log_rwxmaps;
++extern int grsec_enable_mount;
++extern int grsec_enable_chdir;
++extern int grsec_resource_logging;
++extern int grsec_enable_blackhole;
++extern int grsec_lastack_retries;
++extern int grsec_enable_brute;
++extern int grsec_lock;
++
++extern spinlock_t grsec_alert_lock;
++extern unsigned long grsec_alert_wtime;
++extern unsigned long grsec_alert_fyet;
++
++extern spinlock_t grsec_audit_lock;
++
++extern rwlock_t grsec_exec_file_lock;
++
++#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \
++ gr_to_filename2((tsk)->exec_file->f_path.dentry, \
++ (tsk)->exec_file->f_vfsmnt) : "/")
++
++#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \
++ gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \
++ (tsk)->real_parent->exec_file->f_vfsmnt) : "/")
++
++#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \
++ gr_to_filename((tsk)->exec_file->f_path.dentry, \
++ (tsk)->exec_file->f_vfsmnt) : "/")
++
++#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \
++ gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \
++ (tsk)->real_parent->exec_file->f_vfsmnt) : "/")
++
++#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted)
++
++#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry)
++
++#define DEFAULTSECARGS(task, cred, pcred) gr_task_fullpath(task), (task)->comm, \
++ (task)->pid, (cred)->uid, \
++ (cred)->euid, (cred)->gid, (cred)->egid, \
++ gr_parent_task_fullpath(task), \
++ (task)->real_parent->comm, (task)->real_parent->pid, \
++ (pcred)->uid, (pcred)->euid, \
++ (pcred)->gid, (pcred)->egid
++
++#define GR_CHROOT_CAPS {{ \
++ CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \
++ CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \
++ CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \
++ CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \
++ CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \
++ CAP_TO_MASK(CAP_IPC_OWNER) | CAP_TO_MASK(CAP_SETFCAP), \
++ CAP_TO_MASK(CAP_SYSLOG) | CAP_TO_MASK(CAP_MAC_ADMIN) }}
++
++#define security_learn(normal_msg,args...) \
++({ \
++ read_lock(&grsec_exec_file_lock); \
++ gr_add_learn_entry(normal_msg "\n", ## args); \
++ read_unlock(&grsec_exec_file_lock); \
++})
++
++enum {
++ GR_DO_AUDIT,
++ GR_DONT_AUDIT,
++ /* used for non-audit messages that we shouldn't kill the task on */
++ GR_DONT_AUDIT_GOOD
++};
++
++enum {
++ GR_TTYSNIFF,
++ GR_RBAC,
++ GR_RBAC_STR,
++ GR_STR_RBAC,
++ GR_RBAC_MODE2,
++ GR_RBAC_MODE3,
++ GR_FILENAME,
++ GR_SYSCTL_HIDDEN,
++ GR_NOARGS,
++ GR_ONE_INT,
++ GR_ONE_INT_TWO_STR,
++ GR_ONE_STR,
++ GR_STR_INT,
++ GR_TWO_STR_INT,
++ GR_TWO_INT,
++ GR_TWO_U64,
++ GR_THREE_INT,
++ GR_FIVE_INT_TWO_STR,
++ GR_TWO_STR,
++ GR_THREE_STR,
++ GR_FOUR_STR,
++ GR_STR_FILENAME,
++ GR_FILENAME_STR,
++ GR_FILENAME_TWO_INT,
++ GR_FILENAME_TWO_INT_STR,
++ GR_TEXTREL,
++ GR_PTRACE,
++ GR_RESOURCE,
++ GR_CAP,
++ GR_SIG,
++ GR_SIG2,
++ GR_CRASH1,
++ GR_CRASH2,
++ GR_PSACCT,
++ GR_RWXMAP
++};
++
++#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str)
++#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task)
++#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt)
++#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str)
++#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt)
++#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2)
++#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3)
++#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt)
++#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS)
++#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num)
++#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2)
++#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str)
++#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num)
++#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2)
++#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2)
++#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3)
++#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2)
++#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2)
++#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num)
++#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3)
++#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4)
++#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt)
++#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str)
++#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2)
++#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str)
++#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2)
++#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task)
++#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2)
++#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str)
++#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr)
++#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num)
++#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong)
++#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1)
++#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9)
++#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str)
++
++void gr_log_varargs(int audit, const char *msg, int argtypes, ...);
++
++#endif
++
++#endif
+diff --git a/include/linux/grmsg.h b/include/linux/grmsg.h
+new file mode 100644
+index 0000000..54f4e85
+--- /dev/null
++++ b/include/linux/grmsg.h
+@@ -0,0 +1,110 @@
++#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u"
++#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u"
++#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by "
++#define GR_STOPMOD_MSG "denied modification of module state by "
++#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by "
++#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by "
++#define GR_IOPERM_MSG "denied use of ioperm() by "
++#define GR_IOPL_MSG "denied use of iopl() by "
++#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by "
++#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by "
++#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by "
++#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by "
++#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by "
++#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4"
++#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4"
++#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by "
++#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by "
++#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by "
++#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by "
++#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by "
++#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by "
++#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by "
++#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against "
++#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by "
++#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by "
++#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by "
++#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by "
++#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for "
++#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by "
++#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by "
++#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by "
++#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by "
++#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by "
++#define GR_EXEC_ACL_MSG "%s execution of %.950s by "
++#define GR_EXEC_TPE_MSG "denied untrusted exec (due to %.70s) of %.950s by "
++#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds"
++#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds"
++#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by "
++#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by "
++#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by "
++#define GR_ATIME_ACL_MSG "%s access time change of %.950s by "
++#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by "
++#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by "
++#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by "
++#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by "
++#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by "
++#define GR_CHOWN_ACL_MSG "%s chown of %.950s by "
++#define GR_SETXATTR_ACL_MSG "%s setting extended attributes of %.950s by "
++#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by "
++#define GR_INITF_ACL_MSG "init_variables() failed %s by "
++#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader"
++#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbage by "
++#define GR_SHUTS_ACL_MSG "shutdown auth success for "
++#define GR_SHUTF_ACL_MSG "shutdown auth failure for "
++#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for "
++#define GR_SEGVMODS_ACL_MSG "segvmod auth success for "
++#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for "
++#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for "
++#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by "
++#define GR_ENABLEF_ACL_MSG "unable to load %s for "
++#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system"
++#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by "
++#define GR_RELOADF_ACL_MSG "failed reload of %s for "
++#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for "
++#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by "
++#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by "
++#define GR_SPROLEF_ACL_MSG "special role %s failure for "
++#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for "
++#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by "
++#define GR_INVMODE_ACL_MSG "invalid mode %d by "
++#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by "
++#define GR_FAILFORK_MSG "failed fork with errno %s by "
++#define GR_NICE_CHROOT_MSG "denied priority change by "
++#define GR_UNISIGLOG_MSG "%.32s occurred at %p in "
++#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by "
++#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by "
++#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by "
++#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by "
++#define GR_TIME_MSG "time set by "
++#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by "
++#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by "
++#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by "
++#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by "
++#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by "
++#define GR_BIND_MSG "denied bind() by "
++#define GR_CONNECT_MSG "denied connect() by "
++#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by "
++#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by "
++#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4"
++#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process "
++#define GR_CAP_ACL_MSG "use of %s denied for "
++#define GR_CAP_CHROOT_MSG "use of %s in chroot denied for "
++#define GR_CAP_ACL_MSG2 "use of %s permitted for "
++#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for "
++#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for "
++#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by "
++#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by "
++#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by "
++#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by "
++#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by "
++#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for "
++#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by "
++#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by "
++#define GR_TEXTREL_AUDIT_MSG "text relocation in %s, VMA:0x%08lx 0x%08lx by "
++#define GR_VM86_MSG "denied use of vm86 by "
++#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by "
++#define GR_PTRACE_READEXEC_MSG "denied ptrace of unreadable binary %.950s by "
++#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by "
++#define GR_BADPROCPID_MSG "denied read of sensitive /proc/pid/%s entry via fd passed across exec by "
++#define GR_SYMLINKOWNER_MSG "denied following symlink %.950s since symlink owner %u does not match target owner %u, by "
+diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h
+new file mode 100644
+index 0000000..f9b9a21
+--- /dev/null
++++ b/include/linux/grsecurity.h
+@@ -0,0 +1,238 @@
++#ifndef GR_SECURITY_H
++#define GR_SECURITY_H
++#include <linux/fs.h>
++#include <linux/fs_struct.h>
++#include <linux/binfmts.h>
++#include <linux/gracl.h>
++
++/* notify of brain-dead configs */
++#if defined(CONFIG_GRKERNSEC_PROC_USER) && defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++#error "CONFIG_GRKERNSEC_PROC_USER and CONFIG_GRKERNSEC_PROC_USERGROUP cannot both be enabled."
++#endif
++#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC)
++#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled."
++#endif
++#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP)
++#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled."
++#endif
++#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR)
++#error "CONFIG_PAX enabled, but no PaX options are enabled."
++#endif
++
++#include <linux/compat.h>
++
++struct user_arg_ptr {
++#ifdef CONFIG_COMPAT
++ bool is_compat;
++#endif
++ union {
++ const char __user *const __user *native;
++#ifdef CONFIG_COMPAT
++ compat_uptr_t __user *compat;
++#endif
++ } ptr;
++};
++
++void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags);
++void gr_handle_brute_check(void);
++void gr_handle_kernel_exploit(void);
++int gr_process_user_ban(void);
++
++char gr_roletype_to_char(void);
++
++int gr_acl_enable_at_secure(void);
++
++int gr_check_user_change(int real, int effective, int fs);
++int gr_check_group_change(int real, int effective, int fs);
++
++void gr_del_task_from_ip_table(struct task_struct *p);
++
++int gr_pid_is_chrooted(struct task_struct *p);
++int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type);
++int gr_handle_chroot_nice(void);
++int gr_handle_chroot_sysctl(const int op);
++int gr_handle_chroot_setpriority(struct task_struct *p,
++ const int niceval);
++int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt);
++int gr_handle_chroot_chroot(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_handle_chroot_chdir(struct path *path);
++int gr_handle_chroot_chmod(const struct dentry *dentry,
++ const struct vfsmount *mnt, const int mode);
++int gr_handle_chroot_mknod(const struct dentry *dentry,
++ const struct vfsmount *mnt, const int mode);
++int gr_handle_chroot_mount(const struct dentry *dentry,
++ const struct vfsmount *mnt,
++ const char *dev_name);
++int gr_handle_chroot_pivot(void);
++int gr_handle_chroot_unix(const pid_t pid);
++
++int gr_handle_rawio(const struct inode *inode);
++
++void gr_handle_ioperm(void);
++void gr_handle_iopl(void);
++
++umode_t gr_acl_umask(void);
++
++int gr_tpe_allow(const struct file *file);
++
++void gr_set_chroot_entries(struct task_struct *task, struct path *path);
++void gr_clear_chroot_entries(struct task_struct *task);
++
++void gr_log_forkfail(const int retval);
++void gr_log_timechange(void);
++void gr_log_signal(const int sig, const void *addr, const struct task_struct *t);
++void gr_log_chdir(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_log_chroot_exec(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv);
++void gr_log_remount(const char *devname, const int retval);
++void gr_log_unmount(const char *devname, const int retval);
++void gr_log_mount(const char *from, const char *to, const int retval);
++void gr_log_textrel(struct vm_area_struct *vma);
++void gr_log_rwxmmap(struct file *file);
++void gr_log_rwxmprotect(struct file *file);
++
++int gr_handle_follow_link(const struct inode *parent,
++ const struct inode *inode,
++ const struct dentry *dentry,
++ const struct vfsmount *mnt);
++int gr_handle_fifo(const struct dentry *dentry,
++ const struct vfsmount *mnt,
++ const struct dentry *dir, const int flag,
++ const int acc_mode);
++int gr_handle_hardlink(const struct dentry *dentry,
++ const struct vfsmount *mnt,
++ struct inode *inode,
++ const int mode, const char *to);
++
++int gr_is_capable(const int cap);
++int gr_is_capable_nolog(const int cap);
++int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
++int gr_task_is_capable_nolog(const struct task_struct *task, const int cap);
++
++void gr_learn_resource(const struct task_struct *task, const int limit,
++ const unsigned long wanted, const int gt);
++void gr_copy_label(struct task_struct *tsk);
++void gr_handle_crash(struct task_struct *task, const int sig);
++int gr_handle_signal(const struct task_struct *p, const int sig);
++int gr_check_crash_uid(const uid_t uid);
++int gr_check_protected_task(const struct task_struct *task);
++int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type);
++int gr_acl_handle_mmap(const struct file *file,
++ const unsigned long prot);
++int gr_acl_handle_mprotect(const struct file *file,
++ const unsigned long prot);
++int gr_check_hidden_task(const struct task_struct *tsk);
++__u32 gr_acl_handle_truncate(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++__u32 gr_acl_handle_utime(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++__u32 gr_acl_handle_access(const struct dentry *dentry,
++ const struct vfsmount *mnt, const int fmode);
++__u32 gr_acl_handle_chmod(const struct dentry *dentry,
++ const struct vfsmount *mnt, umode_t *mode);
++__u32 gr_acl_handle_chown(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++__u32 gr_acl_handle_setxattr(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++int gr_handle_ptrace(struct task_struct *task, const long request);
++int gr_handle_proc_ptrace(struct task_struct *task);
++__u32 gr_acl_handle_execve(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++int gr_check_crash_exec(const struct file *filp);
++int gr_acl_is_enabled(void);
++void gr_set_kernel_label(struct task_struct *task);
++void gr_set_role_label(struct task_struct *task, const uid_t uid,
++ const gid_t gid);
++int gr_set_proc_label(const struct dentry *dentry,
++ const struct vfsmount *mnt,
++ const int unsafe_flags);
++__u32 gr_acl_handle_hidden_file(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++__u32 gr_acl_handle_open(const struct dentry *dentry,
++ const struct vfsmount *mnt, int acc_mode);
++__u32 gr_acl_handle_creat(const struct dentry *dentry,
++ const struct dentry *p_dentry,
++ const struct vfsmount *p_mnt,
++ int open_flags, int acc_mode, const int imode);
++void gr_handle_create(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_handle_proc_create(const struct dentry *dentry,
++ const struct inode *inode);
++__u32 gr_acl_handle_mknod(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ const int mode);
++__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt);
++__u32 gr_acl_handle_rmdir(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_handle_delete(const ino_t ino, const dev_t dev);
++__u32 gr_acl_handle_unlink(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++__u32 gr_acl_handle_symlink(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ const char *from);
++__u32 gr_acl_handle_link(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ const struct dentry *old_dentry,
++ const struct vfsmount *old_mnt, const char *to);
++int gr_handle_symlink_owner(const struct path *link, const struct inode *target);
++int gr_acl_handle_rename(struct dentry *new_dentry,
++ struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ struct dentry *old_dentry,
++ struct inode *old_parent_inode,
++ struct vfsmount *old_mnt, const char *newname);
++void gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
++ struct dentry *old_dentry,
++ struct dentry *new_dentry,
++ struct vfsmount *mnt, const __u8 replace);
++__u32 gr_check_link(const struct dentry *new_dentry,
++ const struct dentry *parent_dentry,
++ const struct vfsmount *parent_mnt,
++ const struct dentry *old_dentry,
++ const struct vfsmount *old_mnt);
++int gr_acl_handle_filldir(const struct file *file, const char *name,
++ const unsigned int namelen, const ino_t ino);
++
++__u32 gr_acl_handle_unix(const struct dentry *dentry,
++ const struct vfsmount *mnt);
++void gr_acl_handle_exit(void);
++void gr_acl_handle_psacct(struct task_struct *task, const long code);
++int gr_acl_handle_procpidmem(const struct task_struct *task);
++int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags);
++int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode);
++void gr_audit_ptrace(struct task_struct *task);
++dev_t gr_get_dev_from_dentry(struct dentry *dentry);
++
++int gr_ptrace_readexec(struct file *file, int unsafe_flags);
++
++#ifdef CONFIG_GRKERNSEC
++void task_grsec_rbac(struct seq_file *m, struct task_struct *p);
++void gr_handle_vm86(void);
++void gr_handle_mem_readwrite(u64 from, u64 to);
++
++void gr_log_badprocpid(const char *entry);
++
++extern int grsec_enable_dmesg;
++extern int grsec_disable_privio;
++
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++extern int grsec_proc_gid;
++#endif
++
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++extern int grsec_enable_chroot_findtask;
++#endif
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern int grsec_enable_setxid;
++#endif
++#endif
++
++#endif
+diff --git a/include/linux/grsock.h b/include/linux/grsock.h
+new file mode 100644
+index 0000000..e7ffaaf
+--- /dev/null
++++ b/include/linux/grsock.h
+@@ -0,0 +1,19 @@
++#ifndef __GRSOCK_H
++#define __GRSOCK_H
++
++extern void gr_attach_curr_ip(const struct sock *sk);
++extern int gr_handle_sock_all(const int family, const int type,
++ const int protocol);
++extern int gr_handle_sock_server(const struct sockaddr *sck);
++extern int gr_handle_sock_server_other(const struct sock *sck);
++extern int gr_handle_sock_client(const struct sockaddr *sck);
++extern int gr_search_connect(struct socket * sock,
++ struct sockaddr_in * addr);
++extern int gr_search_bind(struct socket * sock,
++ struct sockaddr_in * addr);
++extern int gr_search_listen(struct socket * sock);
++extern int gr_search_accept(struct socket * sock);
++extern int gr_search_socket(const int domain, const int type,
++ const int protocol);
++
++#endif
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index 42970de..5db3c92 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -705,7 +705,7 @@ struct hid_ll_driver {
+ unsigned int code, int value);
+
+ int (*parse)(struct hid_device *hdev);
+-};
++} __no_const;
+
+ #define PM_HINT_FULLON 1<<5
+ #define PM_HINT_NORMAL 1<<1
+diff --git a/include/linux/highmem.h b/include/linux/highmem.h
+index ef788b5..ac41b7b 100644
+--- a/include/linux/highmem.h
++++ b/include/linux/highmem.h
+@@ -189,6 +189,18 @@ static inline void clear_highpage(struct page *page)
+ kunmap_atomic(kaddr);
+ }
+
++static inline void sanitize_highpage(struct page *page)
++{
++ void *kaddr;
++ unsigned long flags;
++
++ local_irq_save(flags);
++ kaddr = kmap_atomic(page);
++ clear_page(kaddr);
++ kunmap_atomic(kaddr);
++ local_irq_restore(flags);
++}
++
+ static inline void zero_user_segments(struct page *page,
+ unsigned start1, unsigned end1,
+ unsigned start2, unsigned end2)
+diff --git a/include/linux/i2c.h b/include/linux/i2c.h
+index 5970266..1c48c3b 100644
+--- a/include/linux/i2c.h
++++ b/include/linux/i2c.h
+@@ -369,6 +369,7 @@ struct i2c_algorithm {
+ /* To determine what the adapter supports */
+ u32 (*functionality) (struct i2c_adapter *);
+ };
++typedef struct i2c_algorithm __no_const i2c_algorithm_no_const;
+
+ /*
+ * i2c_adapter is the structure used to identify a physical i2c bus along
+diff --git a/include/linux/i2o.h b/include/linux/i2o.h
+index d23c3c2..eb63c81 100644
+--- a/include/linux/i2o.h
++++ b/include/linux/i2o.h
+@@ -565,7 +565,7 @@ struct i2o_controller {
+ struct i2o_device *exec; /* Executive */
+ #if BITS_PER_LONG == 64
+ spinlock_t context_list_lock; /* lock for context_list */
+- atomic_t context_list_counter; /* needed for unique contexts */
++ atomic_unchecked_t context_list_counter; /* needed for unique contexts */
+ struct list_head context_list; /* list of context id's
+ and pointers */
+ #endif
+diff --git a/include/linux/if_team.h b/include/linux/if_team.h
+index aa2e167..84024ce 100644
+--- a/include/linux/if_team.h
++++ b/include/linux/if_team.h
+@@ -109,6 +109,7 @@ struct team_mode_ops {
+ void (*port_enabled)(struct team *team, struct team_port *port);
+ void (*port_disabled)(struct team *team, struct team_port *port);
+ };
++typedef struct team_mode_ops __no_const team_mode_ops_no_const;
+
+ enum team_option_type {
+ TEAM_OPTION_TYPE_U32,
+@@ -181,7 +182,7 @@ struct team {
+ struct list_head option_inst_list; /* list of option instances */
+
+ const struct team_mode *mode;
+- struct team_mode_ops ops;
++ team_mode_ops_no_const ops;
+ long mode_priv[TEAM_MODE_PRIV_LONGS];
+ };
+
+diff --git a/include/linux/init.h b/include/linux/init.h
+index 5e664f6..0a1225c 100644
+--- a/include/linux/init.h
++++ b/include/linux/init.h
+@@ -39,9 +39,15 @@
+ * Also note, that this data cannot be "const".
+ */
+
++#ifdef MODULE
++#define add_latent_entropy
++#else
++#define add_latent_entropy __latent_entropy
++#endif
++
+ /* These are for everybody (although not all archs will actually
+ discard it in modules) */
+-#define __init __section(.init.text) __cold notrace
++#define __init __section(.init.text) __cold notrace add_latent_entropy
+ #define __initdata __section(.init.data)
+ #define __initconst __section(.init.rodata)
+ #define __exitdata __section(.exit.data)
+@@ -83,7 +89,7 @@
+ #define __exit __section(.exit.text) __exitused __cold notrace
+
+ /* Used for HOTPLUG */
+-#define __devinit __section(.devinit.text) __cold notrace
++#define __devinit __section(.devinit.text) __cold notrace add_latent_entropy
+ #define __devinitdata __section(.devinit.data)
+ #define __devinitconst __section(.devinit.rodata)
+ #define __devexit __section(.devexit.text) __exitused __cold notrace
+@@ -91,7 +97,7 @@
+ #define __devexitconst __section(.devexit.rodata)
+
+ /* Used for HOTPLUG_CPU */
+-#define __cpuinit __section(.cpuinit.text) __cold notrace
++#define __cpuinit __section(.cpuinit.text) __cold notrace add_latent_entropy
+ #define __cpuinitdata __section(.cpuinit.data)
+ #define __cpuinitconst __section(.cpuinit.rodata)
+ #define __cpuexit __section(.cpuexit.text) __exitused __cold notrace
+@@ -99,7 +105,7 @@
+ #define __cpuexitconst __section(.cpuexit.rodata)
+
+ /* Used for MEMORY_HOTPLUG */
+-#define __meminit __section(.meminit.text) __cold notrace
++#define __meminit __section(.meminit.text) __cold notrace add_latent_entropy
+ #define __meminitdata __section(.meminit.data)
+ #define __meminitconst __section(.meminit.rodata)
+ #define __memexit __section(.memexit.text) __exitused __cold notrace
+diff --git a/include/linux/init_task.h b/include/linux/init_task.h
+index 89f1cb1..7986c0f 100644
+--- a/include/linux/init_task.h
++++ b/include/linux/init_task.h
+@@ -143,6 +143,12 @@ extern struct task_group root_task_group;
+
+ #define INIT_TASK_COMM "swapper"
+
++#ifdef CONFIG_X86
++#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO,
++#else
++#define INIT_TASK_THREAD_INFO
++#endif
++
+ /*
+ * INIT_TASK is used to set up the first task table, touch at
+ * your own risk!. Base=0, limit=0x1fffff (=2MB)
+@@ -182,6 +188,7 @@ extern struct task_group root_task_group;
+ RCU_POINTER_INITIALIZER(cred, &init_cred), \
+ .comm = INIT_TASK_COMM, \
+ .thread = INIT_THREAD, \
++ INIT_TASK_THREAD_INFO \
+ .fs = &init_fs, \
+ .files = &init_files, \
+ .signal = &init_signals, \
+diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
+index 78e2ada..745564d 100644
+--- a/include/linux/intel-iommu.h
++++ b/include/linux/intel-iommu.h
+@@ -296,7 +296,7 @@ struct iommu_flush {
+ u8 fm, u64 type);
+ void (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
+ unsigned int size_order, u64 type);
+-};
++} __no_const;
+
+ enum {
+ SR_DMAR_FECTL_REG,
+diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
+index c5f856a..d29c117 100644
+--- a/include/linux/interrupt.h
++++ b/include/linux/interrupt.h
+@@ -433,7 +433,7 @@ enum
+ /* map softirq index to softirq name. update 'softirq_to_name' in
+ * kernel/softirq.c when adding a new softirq.
+ */
+-extern char *softirq_to_name[NR_SOFTIRQS];
++extern const char * const softirq_to_name[NR_SOFTIRQS];
+
+ /* softirq mask and active fields moved to irq_cpustat_t in
+ * asm/hardirq.h to get better cache usage. KAO
+@@ -441,12 +441,12 @@ extern char *softirq_to_name[NR_SOFTIRQS];
+
+ struct softirq_action
+ {
+- void (*action)(struct softirq_action *);
++ void (*action)(void);
+ };
+
+ asmlinkage void do_softirq(void);
+ asmlinkage void __do_softirq(void);
+-extern void open_softirq(int nr, void (*action)(struct softirq_action *));
++extern void open_softirq(int nr, void (*action)(void));
+ extern void softirq_init(void);
+ extern void __raise_softirq_irqoff(unsigned int nr);
+
+diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
+index 6883e19..06992b1 100644
+--- a/include/linux/kallsyms.h
++++ b/include/linux/kallsyms.h
+@@ -15,7 +15,8 @@
+
+ struct module;
+
+-#ifdef CONFIG_KALLSYMS
++#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS)
++#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ /* Lookup the address for a symbol. Returns 0 if not found. */
+ unsigned long kallsyms_lookup_name(const char *name);
+
+@@ -106,6 +107,17 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u
+ /* Stupid that this does nothing, but I didn't create this mess. */
+ #define __print_symbol(fmt, addr)
+ #endif /*CONFIG_KALLSYMS*/
++#else /* when included by kallsyms.c, vsnprintf.c, or
++ arch/x86/kernel/dumpstack.c, with HIDESYM enabled */
++extern void __print_symbol(const char *fmt, unsigned long address);
++extern int sprint_backtrace(char *buffer, unsigned long address);
++extern int sprint_symbol(char *buffer, unsigned long address);
++extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
++const char *kallsyms_lookup(unsigned long addr,
++ unsigned long *symbolsize,
++ unsigned long *offset,
++ char **modname, char *namebuf);
++#endif
+
+ /* This macro allows us to keep printk typechecking */
+ static __printf(1, 2)
+diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
+index c4d2fc1..5df9c19 100644
+--- a/include/linux/kgdb.h
++++ b/include/linux/kgdb.h
+@@ -53,7 +53,7 @@ extern int kgdb_connected;
+ extern int kgdb_io_module_registered;
+
+ extern atomic_t kgdb_setting_breakpoint;
+-extern atomic_t kgdb_cpu_doing_single_step;
++extern atomic_unchecked_t kgdb_cpu_doing_single_step;
+
+ extern struct task_struct *kgdb_usethread;
+ extern struct task_struct *kgdb_contthread;
+@@ -252,7 +252,7 @@ struct kgdb_arch {
+ void (*disable_hw_break)(struct pt_regs *regs);
+ void (*remove_all_hw_break)(void);
+ void (*correct_hw_break)(void);
+-};
++} __do_const;
+
+ /**
+ * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB.
+@@ -277,7 +277,7 @@ struct kgdb_io {
+ void (*pre_exception) (void);
+ void (*post_exception) (void);
+ int is_console;
+-};
++} __do_const;
+
+ extern struct kgdb_arch arch_kgdb_ops;
+
+diff --git a/include/linux/kmod.h b/include/linux/kmod.h
+index 5398d58..5883a34 100644
+--- a/include/linux/kmod.h
++++ b/include/linux/kmod.h
+@@ -34,6 +34,8 @@ extern char modprobe_path[]; /* for sysctl */
+ * usually useless though. */
+ extern __printf(2, 3)
+ int __request_module(bool wait, const char *name, ...);
++extern __printf(3, 4)
++int ___request_module(bool wait, char *param_name, const char *name, ...);
+ #define request_module(mod...) __request_module(true, mod)
+ #define request_module_nowait(mod...) __request_module(false, mod)
+ #define try_then_request_module(x, mod...) \
+diff --git a/include/linux/kref.h b/include/linux/kref.h
+index 65af688..0592677 100644
+--- a/include/linux/kref.h
++++ b/include/linux/kref.h
+@@ -64,7 +64,7 @@ static inline void kref_get(struct kref *kref)
+ static inline int kref_sub(struct kref *kref, unsigned int count,
+ void (*release)(struct kref *kref))
+ {
+- WARN_ON(release == NULL);
++ BUG_ON(release == NULL);
+
+ if (atomic_sub_and_test((int) count, &kref->refcount)) {
+ release(kref);
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index b70b48b..0d7153b 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -351,7 +351,7 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
+ void vcpu_load(struct kvm_vcpu *vcpu);
+ void vcpu_put(struct kvm_vcpu *vcpu);
+
+-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
++int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+ struct module *module);
+ void kvm_exit(void);
+
+@@ -517,7 +517,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
+ struct kvm_guest_debug *dbg);
+ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+
+-int kvm_arch_init(void *opaque);
++int kvm_arch_init(const void *opaque);
+ void kvm_arch_exit(void);
+
+ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
+diff --git a/include/linux/libata.h b/include/linux/libata.h
+index 64f90e1..32b945b 100644
+--- a/include/linux/libata.h
++++ b/include/linux/libata.h
+@@ -909,7 +909,7 @@ struct ata_port_operations {
+ * fields must be pointers.
+ */
+ const struct ata_port_operations *inherits;
+-};
++} __do_const;
+
+ struct ata_port_info {
+ unsigned long flags;
+diff --git a/include/linux/memory.h b/include/linux/memory.h
+index ff9a9f8..c715deb 100644
+--- a/include/linux/memory.h
++++ b/include/linux/memory.h
+@@ -143,7 +143,7 @@ struct memory_accessor {
+ size_t count);
+ ssize_t (*write)(struct memory_accessor *, const char *buf,
+ off_t offset, size_t count);
+-};
++} __no_const;
+
+ /*
+ * Kernel text modification mutex, used for code patching. Users of this lock
+diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
+index 1318ca6..7521340 100644
+--- a/include/linux/mfd/abx500.h
++++ b/include/linux/mfd/abx500.h
+@@ -452,6 +452,7 @@ struct abx500_ops {
+ int (*event_registers_startup_state_get) (struct device *, u8 *);
+ int (*startup_irq_enabled) (struct device *, unsigned int);
+ };
++typedef struct abx500_ops __no_const abx500_ops_no_const;
+
+ int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
+ void abx500_remove_ops(struct device *dev);
+diff --git a/include/linux/mfd/abx500/ux500_chargalg.h b/include/linux/mfd/abx500/ux500_chargalg.h
+index 9b07725..3d55001 100644
+--- a/include/linux/mfd/abx500/ux500_chargalg.h
++++ b/include/linux/mfd/abx500/ux500_chargalg.h
+@@ -19,7 +19,7 @@ struct ux500_charger_ops {
+ int (*enable) (struct ux500_charger *, int, int, int);
+ int (*kick_wd) (struct ux500_charger *);
+ int (*update_curr) (struct ux500_charger *, int);
+-};
++} __no_const;
+
+ /**
+ * struct ux500_charger - power supply ux500 charger sub class
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index 311be90..5f1638c 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -116,7 +116,14 @@ extern unsigned int kobjsize(const void *objp);
+
+ #define VM_CAN_NONLINEAR 0x08000000 /* Has ->fault & does nonlinear pages */
+ #define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
++#define VM_SAO 0x00000000 /* Strong Access Ordering (powerpc) */
++#define VM_PAGEEXEC 0x20000000 /* vma->vm_page_prot needs special handling */
++#else
+ #define VM_SAO 0x20000000 /* Strong Access Ordering (powerpc) */
++#endif
++
+ #define VM_PFN_AT_MMAP 0x40000000 /* PFNMAP vma that is fully mapped at mmap time */
+ #define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */
+
+@@ -1038,34 +1045,6 @@ int set_page_dirty(struct page *page);
+ int set_page_dirty_lock(struct page *page);
+ int clear_page_dirty_for_io(struct page *page);
+
+-/* Is the vma a continuation of the stack vma above it? */
+-static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
+-{
+- return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
+-}
+-
+-static inline int stack_guard_page_start(struct vm_area_struct *vma,
+- unsigned long addr)
+-{
+- return (vma->vm_flags & VM_GROWSDOWN) &&
+- (vma->vm_start == addr) &&
+- !vma_growsdown(vma->vm_prev, addr);
+-}
+-
+-/* Is the vma a continuation of the stack vma below it? */
+-static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)
+-{
+- return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);
+-}
+-
+-static inline int stack_guard_page_end(struct vm_area_struct *vma,
+- unsigned long addr)
+-{
+- return (vma->vm_flags & VM_GROWSUP) &&
+- (vma->vm_end == addr) &&
+- !vma_growsup(vma->vm_next, addr);
+-}
+-
+ extern pid_t
+ vm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);
+
+@@ -1164,6 +1143,15 @@ static inline void sync_mm_rss(struct mm_struct *mm)
+ }
+ #endif
+
++#ifdef CONFIG_MMU
++pgprot_t vm_get_page_prot(vm_flags_t vm_flags);
++#else
++static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
++{
++ return __pgprot(0);
++}
++#endif
++
+ int vma_wants_writenotify(struct vm_area_struct *vma);
+
+ extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
+@@ -1182,8 +1170,15 @@ static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
+ {
+ return 0;
+ }
++
++static inline int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd,
++ unsigned long address)
++{
++ return 0;
++}
+ #else
+ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
++int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
+ #endif
+
+ #ifdef __PAGETABLE_PMD_FOLDED
+@@ -1192,8 +1187,15 @@ static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
+ {
+ return 0;
+ }
++
++static inline int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud,
++ unsigned long address)
++{
++ return 0;
++}
+ #else
+ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
++int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address);
+ #endif
+
+ int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+@@ -1211,11 +1213,23 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long a
+ NULL: pud_offset(pgd, address);
+ }
+
++static inline pud_t *pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
++{
++ return (unlikely(pgd_none(*pgd)) && __pud_alloc_kernel(mm, pgd, address))?
++ NULL: pud_offset(pgd, address);
++}
++
+ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
+ {
+ return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
+ NULL: pmd_offset(pud, address);
+ }
++
++static inline pmd_t *pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
++{
++ return (unlikely(pud_none(*pud)) && __pmd_alloc_kernel(mm, pud, address))?
++ NULL: pmd_offset(pud, address);
++}
+ #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
+
+ #if USE_SPLIT_PTLOCKS
+@@ -1426,6 +1440,7 @@ extern unsigned long do_mmap_pgoff(struct file *, unsigned long,
+ unsigned long, unsigned long,
+ unsigned long, unsigned long);
+ extern int do_munmap(struct mm_struct *, unsigned long, size_t);
++extern int __do_munmap(struct mm_struct *, unsigned long, size_t);
+
+ /* These take the mm semaphore themselves */
+ extern unsigned long vm_brk(unsigned long, unsigned long);
+@@ -1489,6 +1504,10 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add
+ extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
+ struct vm_area_struct **pprev);
+
++extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma);
++extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma);
++extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl);
++
+ /* Look up the first VMA which intersects the interval start_addr..end_addr-1,
+ NULL if none. Assume start_addr < end_addr. */
+ static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)
+@@ -1517,15 +1536,6 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
+ return vma;
+ }
+
+-#ifdef CONFIG_MMU
+-pgprot_t vm_get_page_prot(unsigned long vm_flags);
+-#else
+-static inline pgprot_t vm_get_page_prot(unsigned long vm_flags)
+-{
+- return __pgprot(0);
+-}
+-#endif
+-
+ struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);
+ int remap_pfn_range(struct vm_area_struct *, unsigned long addr,
+ unsigned long pfn, unsigned long size, pgprot_t);
+@@ -1631,7 +1641,7 @@ extern int unpoison_memory(unsigned long pfn);
+ extern int sysctl_memory_failure_early_kill;
+ extern int sysctl_memory_failure_recovery;
+ extern void shake_page(struct page *p, int access);
+-extern atomic_long_t mce_bad_pages;
++extern atomic_long_unchecked_t mce_bad_pages;
+ extern int soft_offline_page(struct page *page, int flags);
+
+ extern void dump_page(struct page *page);
+@@ -1662,5 +1672,11 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; }
+ static inline bool page_is_guard(struct page *page) { return false; }
+ #endif /* CONFIG_DEBUG_PAGEALLOC */
+
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot);
++#else
++static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {}
++#endif
++
+ #endif /* __KERNEL__ */
+ #endif /* _LINUX_MM_H */
+diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
+index bf78672..debc693 100644
+--- a/include/linux/mm_types.h
++++ b/include/linux/mm_types.h
+@@ -279,6 +279,8 @@ struct vm_area_struct {
+ #ifdef CONFIG_NUMA
+ struct mempolicy *vm_policy; /* NUMA policy for the VMA */
+ #endif
++
++ struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */
+ };
+
+ struct core_thread {
+@@ -353,7 +355,7 @@ struct mm_struct {
+ unsigned long def_flags;
+ unsigned long nr_ptes; /* Page table pages */
+ unsigned long start_code, end_code, start_data, end_data;
+- unsigned long start_brk, brk, start_stack;
++ unsigned long brk_gap, start_brk, brk, start_stack;
+ unsigned long arg_start, arg_end, env_start, env_end;
+
+ unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
+@@ -405,6 +407,24 @@ struct mm_struct {
+ struct cpumask cpumask_allocation;
+ #endif
+ struct uprobes_state uprobes_state;
++
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++ unsigned long pax_flags;
++#endif
++
++#ifdef CONFIG_PAX_DLRESOLVE
++ unsigned long call_dl_resolve;
++#endif
++
++#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
++ unsigned long call_syscall;
++#endif
++
++#ifdef CONFIG_PAX_ASLR
++ unsigned long delta_mmap; /* randomized offset */
++ unsigned long delta_stack; /* randomized offset */
++#endif
++
+ };
+
+ static inline void mm_init_cpumask(struct mm_struct *mm)
+diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
+index 1d1b1e1..2a13c78 100644
+--- a/include/linux/mmu_notifier.h
++++ b/include/linux/mmu_notifier.h
+@@ -255,12 +255,12 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
+ */
+ #define ptep_clear_flush_notify(__vma, __address, __ptep) \
+ ({ \
+- pte_t __pte; \
++ pte_t ___pte; \
+ struct vm_area_struct *___vma = __vma; \
+ unsigned long ___address = __address; \
+- __pte = ptep_clear_flush(___vma, ___address, __ptep); \
++ ___pte = ptep_clear_flush(___vma, ___address, __ptep); \
+ mmu_notifier_invalidate_page(___vma->vm_mm, ___address); \
+- __pte; \
++ ___pte; \
+ })
+
+ #define pmdp_clear_flush_notify(__vma, __address, __pmdp) \
+diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
+index 2daa54f..bfdf2f5 100644
+--- a/include/linux/mmzone.h
++++ b/include/linux/mmzone.h
+@@ -414,7 +414,7 @@ struct zone {
+ unsigned long flags; /* zone flags, see below */
+
+ /* Zone statistics */
+- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
++ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
+
+ /*
+ * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
+diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
+index 6955045..ebdb7cd 100644
+--- a/include/linux/mod_devicetable.h
++++ b/include/linux/mod_devicetable.h
+@@ -12,7 +12,7 @@
+ typedef unsigned long kernel_ulong_t;
+ #endif
+
+-#define PCI_ANY_ID (~0)
++#define PCI_ANY_ID ((__u16)~0)
+
+ struct pci_device_id {
+ __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
+@@ -139,7 +139,7 @@ struct usb_device_id {
+ #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
+ #define USB_DEVICE_ID_MATCH_INT_NUMBER 0x0400
+
+-#define HID_ANY_ID (~0)
++#define HID_ANY_ID (~0U)
+ #define HID_BUS_ANY 0xffff
+ #define HID_GROUP_ANY 0x0000
+
+diff --git a/include/linux/module.h b/include/linux/module.h
+index fbcafe2..e5d9587 100644
+--- a/include/linux/module.h
++++ b/include/linux/module.h
+@@ -17,6 +17,7 @@
+ #include <linux/moduleparam.h>
+ #include <linux/tracepoint.h>
+ #include <linux/export.h>
++#include <linux/fs.h>
+
+ #include <linux/percpu.h>
+ #include <asm/module.h>
+@@ -273,19 +274,16 @@ struct module
+ int (*init)(void);
+
+ /* If this is non-NULL, vfree after init() returns */
+- void *module_init;
++ void *module_init_rx, *module_init_rw;
+
+ /* Here is the actual code + data, vfree'd on unload. */
+- void *module_core;
++ void *module_core_rx, *module_core_rw;
+
+ /* Here are the sizes of the init and core sections */
+- unsigned int init_size, core_size;
++ unsigned int init_size_rw, core_size_rw;
+
+ /* The size of the executable code in each section. */
+- unsigned int init_text_size, core_text_size;
+-
+- /* Size of RO sections of the module (text+rodata) */
+- unsigned int init_ro_size, core_ro_size;
++ unsigned int init_size_rx, core_size_rx;
+
+ /* Arch-specific module values */
+ struct mod_arch_specific arch;
+@@ -341,6 +339,10 @@ struct module
+ #ifdef CONFIG_EVENT_TRACING
+ struct ftrace_event_call **trace_events;
+ unsigned int num_trace_events;
++ struct file_operations trace_id;
++ struct file_operations trace_enable;
++ struct file_operations trace_format;
++ struct file_operations trace_filter;
+ #endif
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD
+ unsigned int num_ftrace_callsites;
+@@ -388,16 +390,46 @@ bool is_module_address(unsigned long addr);
+ bool is_module_percpu_address(unsigned long addr);
+ bool is_module_text_address(unsigned long addr);
+
++static inline int within_module_range(unsigned long addr, void *start, unsigned long size)
++{
++
++#ifdef CONFIG_PAX_KERNEXEC
++ if (ktla_ktva(addr) >= (unsigned long)start &&
++ ktla_ktva(addr) < (unsigned long)start + size)
++ return 1;
++#endif
++
++ return ((void *)addr >= start && (void *)addr < start + size);
++}
++
++static inline int within_module_core_rx(unsigned long addr, struct module *mod)
++{
++ return within_module_range(addr, mod->module_core_rx, mod->core_size_rx);
++}
++
++static inline int within_module_core_rw(unsigned long addr, struct module *mod)
++{
++ return within_module_range(addr, mod->module_core_rw, mod->core_size_rw);
++}
++
++static inline int within_module_init_rx(unsigned long addr, struct module *mod)
++{
++ return within_module_range(addr, mod->module_init_rx, mod->init_size_rx);
++}
++
++static inline int within_module_init_rw(unsigned long addr, struct module *mod)
++{
++ return within_module_range(addr, mod->module_init_rw, mod->init_size_rw);
++}
++
+ static inline int within_module_core(unsigned long addr, struct module *mod)
+ {
+- return (unsigned long)mod->module_core <= addr &&
+- addr < (unsigned long)mod->module_core + mod->core_size;
++ return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod);
+ }
+
+ static inline int within_module_init(unsigned long addr, struct module *mod)
+ {
+- return (unsigned long)mod->module_init <= addr &&
+- addr < (unsigned long)mod->module_init + mod->init_size;
++ return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod);
+ }
+
+ /* Search for module by name: must hold module_mutex. */
+diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
+index b2be02e..72d2f78 100644
+--- a/include/linux/moduleloader.h
++++ b/include/linux/moduleloader.h
+@@ -23,11 +23,23 @@ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
+
+ /* Allocator used for allocating struct module, core sections and init
+ sections. Returns NULL on failure. */
+-void *module_alloc(unsigned long size);
++void *module_alloc(unsigned long size) __size_overflow(1);
++
++#ifdef CONFIG_PAX_KERNEXEC
++void *module_alloc_exec(unsigned long size) __size_overflow(1);
++#else
++#define module_alloc_exec(x) module_alloc(x)
++#endif
+
+ /* Free memory returned from module_alloc. */
+ void module_free(struct module *mod, void *module_region);
+
++#ifdef CONFIG_PAX_KERNEXEC
++void module_free_exec(struct module *mod, void *module_region);
++#else
++#define module_free_exec(x, y) module_free((x), (y))
++#endif
++
+ /* Apply the given relocation to the (simplified) ELF. Return -error
+ or 0. */
+ int apply_relocate(Elf_Shdr *sechdrs,
+diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
+index d6a5806..7c13347 100644
+--- a/include/linux/moduleparam.h
++++ b/include/linux/moduleparam.h
+@@ -286,7 +286,7 @@ static inline void __kernel_param_unlock(void)
+ * @len is usually just sizeof(string).
+ */
+ #define module_param_string(name, string, len, perm) \
+- static const struct kparam_string __param_string_##name \
++ static const struct kparam_string __param_string_##name __used \
+ = { len, string }; \
+ __module_param_call(MODULE_PARAM_PREFIX, name, \
+ ¶m_ops_string, \
+@@ -425,7 +425,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp);
+ */
+ #define module_param_array_named(name, array, type, nump, perm) \
+ param_check_##type(name, &(array)[0]); \
+- static const struct kparam_array __param_arr_##name \
++ static const struct kparam_array __param_arr_##name __used \
+ = { .max = ARRAY_SIZE(array), .num = nump, \
+ .ops = ¶m_ops_##type, \
+ .elemsize = sizeof(array[0]), .elem = array }; \
+diff --git a/include/linux/namei.h b/include/linux/namei.h
+index 4bf19d8..5268cea 100644
+--- a/include/linux/namei.h
++++ b/include/linux/namei.h
+@@ -18,7 +18,7 @@ struct nameidata {
+ unsigned seq;
+ int last_type;
+ unsigned depth;
+- char *saved_names[MAX_NESTED_LINKS + 1];
++ const char *saved_names[MAX_NESTED_LINKS + 1];
+ };
+
+ /*
+@@ -83,12 +83,12 @@ extern void unlock_rename(struct dentry *, struct dentry *);
+
+ extern void nd_jump_link(struct nameidata *nd, struct path *path);
+
+-static inline void nd_set_link(struct nameidata *nd, char *path)
++static inline void nd_set_link(struct nameidata *nd, const char *path)
+ {
+ nd->saved_names[nd->depth] = path;
+ }
+
+-static inline char *nd_get_link(struct nameidata *nd)
++static inline const char *nd_get_link(const struct nameidata *nd)
+ {
+ return nd->saved_names[nd->depth];
+ }
+diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
+index 59dc05f3..c905a34 100644
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1027,6 +1027,7 @@ struct net_device_ops {
+ struct net_device *dev,
+ int idx);
+ };
++typedef struct net_device_ops __no_const net_device_ops_no_const;
+
+ /*
+ * The DEVICE structure.
+@@ -1087,7 +1088,7 @@ struct net_device {
+ int iflink;
+
+ struct net_device_stats stats;
+- atomic_long_t rx_dropped; /* dropped packets by core network
++ atomic_long_unchecked_t rx_dropped; /* dropped packets by core network
+ * Do not use this in drivers.
+ */
+
+diff --git a/include/linux/netfilter/xt_gradm.h b/include/linux/netfilter/xt_gradm.h
+new file mode 100644
+index 0000000..33f4af8
+--- /dev/null
++++ b/include/linux/netfilter/xt_gradm.h
+@@ -0,0 +1,9 @@
++#ifndef _LINUX_NETFILTER_XT_GRADM_H
++#define _LINUX_NETFILTER_XT_GRADM_H 1
++
++struct xt_gradm_mtinfo {
++ __u16 flags;
++ __u16 invflags;
++};
++
++#endif
+diff --git a/include/linux/of_pdt.h b/include/linux/of_pdt.h
+index c65a18a..0c05f3a 100644
+--- a/include/linux/of_pdt.h
++++ b/include/linux/of_pdt.h
+@@ -32,7 +32,7 @@ struct of_pdt_ops {
+
+ /* return 0 on success; fill in 'len' with number of bytes in path */
+ int (*pkg2path)(phandle node, char *buf, const int buflen, int *len);
+-};
++} __no_const;
+
+ extern void *prom_early_alloc(unsigned long size);
+
+diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
+index a4c5624..79d6d88 100644
+--- a/include/linux/oprofile.h
++++ b/include/linux/oprofile.h
+@@ -139,9 +139,9 @@ int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
+ int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root,
+ char const * name, ulong * val);
+
+-/** Create a file for read-only access to an atomic_t. */
++/** Create a file for read-only access to an atomic_unchecked_t. */
+ int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
+- char const * name, atomic_t * val);
++ char const * name, atomic_unchecked_t * val);
+
+ /** create a directory */
+ struct dentry * oprofilefs_mkdir(struct super_block * sb, struct dentry * root,
+diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
+index bdb4161..f373d41 100644
+--- a/include/linux/perf_event.h
++++ b/include/linux/perf_event.h
+@@ -882,8 +882,8 @@ struct perf_event {
+
+ enum perf_event_active_state state;
+ unsigned int attach_state;
+- local64_t count;
+- atomic64_t child_count;
++ local64_t count; /* PaX: fix it one day */
++ atomic64_unchecked_t child_count;
+
+ /*
+ * These are the total time in nanoseconds that the event
+@@ -934,8 +934,8 @@ struct perf_event {
+ * These accumulate total time (in nanoseconds) that children
+ * events have been enabled and running, respectively.
+ */
+- atomic64_t child_total_time_enabled;
+- atomic64_t child_total_time_running;
++ atomic64_unchecked_t child_total_time_enabled;
++ atomic64_unchecked_t child_total_time_running;
+
+ /*
+ * Protect attach/detach and child_list:
+diff --git a/include/linux/personality.h b/include/linux/personality.h
+index 8fc7dd1a..c19d89e 100644
+--- a/include/linux/personality.h
++++ b/include/linux/personality.h
+@@ -44,6 +44,7 @@ enum {
+ #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \
+ ADDR_NO_RANDOMIZE | \
+ ADDR_COMPAT_LAYOUT | \
++ ADDR_LIMIT_3GB | \
+ MMAP_PAGE_ZERO)
+
+ /*
+diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
+index ad1a427..6419649 100644
+--- a/include/linux/pipe_fs_i.h
++++ b/include/linux/pipe_fs_i.h
+@@ -45,9 +45,9 @@ struct pipe_buffer {
+ struct pipe_inode_info {
+ wait_queue_head_t wait;
+ unsigned int nrbufs, curbuf, buffers;
+- unsigned int readers;
+- unsigned int writers;
+- unsigned int waiting_writers;
++ atomic_t readers;
++ atomic_t writers;
++ atomic_t waiting_writers;
+ unsigned int r_counter;
+ unsigned int w_counter;
+ struct page *tmp_page;
+diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
+index f271860..6b3bec5 100644
+--- a/include/linux/pm_runtime.h
++++ b/include/linux/pm_runtime.h
+@@ -97,7 +97,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev)
+
+ static inline void pm_runtime_mark_last_busy(struct device *dev)
+ {
+- ACCESS_ONCE(dev->power.last_busy) = jiffies;
++ ACCESS_ONCE_RW(dev->power.last_busy) = jiffies;
+ }
+
+ #else /* !CONFIG_PM_RUNTIME */
+diff --git a/include/linux/poison.h b/include/linux/poison.h
+index 2110a81..13a11bb 100644
+--- a/include/linux/poison.h
++++ b/include/linux/poison.h
+@@ -19,8 +19,8 @@
+ * under normal circumstances, used to verify that nobody uses
+ * non-initialized list entries.
+ */
+-#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
+-#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)
++#define LIST_POISON1 ((void *) (long)0xFFFFFF01)
++#define LIST_POISON2 ((void *) (long)0xFFFFFF02)
+
+ /********** include/linux/timer.h **********/
+ /*
+diff --git a/include/linux/preempt.h b/include/linux/preempt.h
+index 5a710b9..0b0dab9 100644
+--- a/include/linux/preempt.h
++++ b/include/linux/preempt.h
+@@ -126,7 +126,7 @@ struct preempt_ops {
+ void (*sched_in)(struct preempt_notifier *notifier, int cpu);
+ void (*sched_out)(struct preempt_notifier *notifier,
+ struct task_struct *next);
+-};
++} __no_const;
+
+ /**
+ * preempt_notifier - key for installing preemption notifiers
+diff --git a/include/linux/printk.h b/include/linux/printk.h
+index 9afc01e..92c32e8 100644
+--- a/include/linux/printk.h
++++ b/include/linux/printk.h
+@@ -101,6 +101,8 @@ void early_printk(const char *fmt, ...);
+ extern int printk_needs_cpu(int cpu);
+ extern void printk_tick(void);
+
++extern int kptr_restrict;
++
+ #ifdef CONFIG_PRINTK
+ asmlinkage __printf(5, 0)
+ int vprintk_emit(int facility, int level,
+@@ -135,7 +137,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
+
+ extern int printk_delay_msec;
+ extern int dmesg_restrict;
+-extern int kptr_restrict;
+
+ void log_buf_kexec_setup(void);
+ void __init setup_log_buf(int early);
+diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
+index 3fd2e87..d93a721 100644
+--- a/include/linux/proc_fs.h
++++ b/include/linux/proc_fs.h
+@@ -155,6 +155,18 @@ static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
+ return proc_create_data(name, mode, parent, proc_fops, NULL);
+ }
+
++static inline struct proc_dir_entry *proc_create_grsec(const char *name, umode_t mode,
++ struct proc_dir_entry *parent, const struct file_operations *proc_fops)
++{
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL);
++#else
++ return proc_create_data(name, mode, parent, proc_fops, NULL);
++#endif
++}
++
+ static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
+ umode_t mode, struct proc_dir_entry *base,
+ read_proc_t *read_proc, void * data)
+@@ -258,7 +270,7 @@ union proc_op {
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
+-};
++} __no_const;
+
+ struct ctl_table_header;
+ struct ctl_table;
+diff --git a/include/linux/random.h b/include/linux/random.h
+index ac621ce..c1215f3 100644
+--- a/include/linux/random.h
++++ b/include/linux/random.h
+@@ -53,6 +53,10 @@ extern void add_input_randomness(unsigned int type, unsigned int code,
+ unsigned int value);
+ extern void add_interrupt_randomness(int irq, int irq_flags);
+
++#ifdef CONFIG_PAX_LATENT_ENTROPY
++extern void transfer_latent_entropy(void);
++#endif
++
+ extern void get_random_bytes(void *buf, int nbytes);
+ extern void get_random_bytes_arch(void *buf, int nbytes);
+ void generate_random_uuid(unsigned char uuid_out[16]);
+@@ -69,12 +73,17 @@ void srandom32(u32 seed);
+
+ u32 prandom32(struct rnd_state *);
+
++static inline unsigned long pax_get_random_long(void)
++{
++ return random32() + (sizeof(long) > 4 ? (unsigned long)random32() << 32 : 0);
++}
++
+ /*
+ * Handle minimum values for seeds
+ */
+ static inline u32 __seed(u32 x, u32 m)
+ {
+- return (x < m) ? x + m : x;
++ return (x <= m) ? x + m + 1 : x;
+ }
+
+ /**
+diff --git a/include/linux/reboot.h b/include/linux/reboot.h
+index e0879a7..a12f962 100644
+--- a/include/linux/reboot.h
++++ b/include/linux/reboot.h
+@@ -52,9 +52,9 @@ extern int unregister_reboot_notifier(struct notifier_block *);
+ * Architecture-specific implementations of sys_reboot commands.
+ */
+
+-extern void machine_restart(char *cmd);
+-extern void machine_halt(void);
+-extern void machine_power_off(void);
++extern void machine_restart(char *cmd) __noreturn;
++extern void machine_halt(void) __noreturn;
++extern void machine_power_off(void) __noreturn;
+
+ extern void machine_shutdown(void);
+ struct pt_regs;
+@@ -65,9 +65,9 @@ extern void machine_crash_shutdown(struct pt_regs *);
+ */
+
+ extern void kernel_restart_prepare(char *cmd);
+-extern void kernel_restart(char *cmd);
+-extern void kernel_halt(void);
+-extern void kernel_power_off(void);
++extern void kernel_restart(char *cmd) __noreturn;
++extern void kernel_halt(void) __noreturn;
++extern void kernel_power_off(void) __noreturn;
+
+ extern int C_A_D; /* for sysctl */
+ void ctrl_alt_del(void);
+@@ -81,7 +81,7 @@ extern int orderly_poweroff(bool force);
+ * Emergency restart, callable from an interrupt handler.
+ */
+
+-extern void emergency_restart(void);
++extern void emergency_restart(void) __noreturn;
+ #include <asm/emergency-restart.h>
+
+ #endif
+diff --git a/include/linux/relay.h b/include/linux/relay.h
+index 91cacc3..b55ff74 100644
+--- a/include/linux/relay.h
++++ b/include/linux/relay.h
+@@ -160,7 +160,7 @@ struct rchan_callbacks
+ * The callback should return 0 if successful, negative if not.
+ */
+ int (*remove_buf_file)(struct dentry *dentry);
+-};
++} __no_const;
+
+ /*
+ * CONFIG_RELAY kernel API, kernel/relay.c
+diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
+index 6fdf027..ff72610 100644
+--- a/include/linux/rfkill.h
++++ b/include/linux/rfkill.h
+@@ -147,6 +147,7 @@ struct rfkill_ops {
+ void (*query)(struct rfkill *rfkill, void *data);
+ int (*set_block)(void *data, bool blocked);
+ };
++typedef struct rfkill_ops __no_const rfkill_ops_no_const;
+
+ #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+ /**
+diff --git a/include/linux/rio.h b/include/linux/rio.h
+index a90ebad..fd87b5d 100644
+--- a/include/linux/rio.h
++++ b/include/linux/rio.h
+@@ -321,7 +321,7 @@ struct rio_ops {
+ int mbox, void *buffer, size_t len);
+ int (*add_inb_buffer)(struct rio_mport *mport, int mbox, void *buf);
+ void *(*get_inb_message)(struct rio_mport *mport, int mbox);
+-};
++} __no_const;
+
+ #define RIO_RESOURCE_MEM 0x00000100
+ #define RIO_RESOURCE_DOORBELL 0x00000200
+diff --git a/include/linux/rmap.h b/include/linux/rmap.h
+index 3fce545..b4fed6e 100644
+--- a/include/linux/rmap.h
++++ b/include/linux/rmap.h
+@@ -119,9 +119,9 @@ static inline void anon_vma_unlock(struct anon_vma *anon_vma)
+ void anon_vma_init(void); /* create anon_vma_cachep */
+ int anon_vma_prepare(struct vm_area_struct *);
+ void unlink_anon_vmas(struct vm_area_struct *);
+-int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *);
++int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *);
+ void anon_vma_moveto_tail(struct vm_area_struct *);
+-int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *);
++int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *);
+
+ static inline void anon_vma_merge(struct vm_area_struct *vma,
+ struct vm_area_struct *next)
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 23bddac..5976055 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -101,6 +101,7 @@ struct bio_list;
+ struct fs_struct;
+ struct perf_event_context;
+ struct blk_plug;
++struct linux_binprm;
+
+ /*
+ * List of flags we want to share for kernel threads,
+@@ -384,10 +385,13 @@ struct user_namespace;
+ #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
+
+ extern int sysctl_max_map_count;
++extern unsigned long sysctl_heap_stack_gap;
+
+ #include <linux/aio.h>
+
+ #ifdef CONFIG_MMU
++extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len);
++extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len);
+ extern void arch_pick_mmap_layout(struct mm_struct *mm);
+ extern unsigned long
+ arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
+@@ -651,6 +655,17 @@ struct signal_struct {
+ #ifdef CONFIG_TASKSTATS
+ struct taskstats *stats;
+ #endif
++
++#ifdef CONFIG_GRKERNSEC
++ u32 curr_ip;
++ u32 saved_ip;
++ u32 gr_saddr;
++ u32 gr_daddr;
++ u16 gr_sport;
++ u16 gr_dport;
++ u8 used_accept:1;
++#endif
++
+ #ifdef CONFIG_AUDIT
+ unsigned audit_tty;
+ struct tty_audit_buf *tty_audit_buf;
+@@ -734,6 +749,11 @@ struct user_struct {
+ struct key *session_keyring; /* UID's default session keyring */
+ #endif
+
++#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE)
++ unsigned int banned;
++ unsigned long ban_expires;
++#endif
++
+ /* Hash table maintenance information */
+ struct hlist_node uidhash_node;
+ kuid_t uid;
+@@ -1356,8 +1376,8 @@ struct task_struct {
+ struct list_head thread_group;
+
+ struct completion *vfork_done; /* for vfork() */
+- int __user *set_child_tid; /* CLONE_CHILD_SETTID */
+- int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
++ pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */
++ pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
+
+ cputime_t utime, stime, utimescaled, stimescaled;
+ cputime_t gtime;
+@@ -1373,11 +1393,6 @@ struct task_struct {
+ struct task_cputime cputime_expires;
+ struct list_head cpu_timers[3];
+
+-/* process credentials */
+- const struct cred __rcu *real_cred; /* objective and real subjective task
+- * credentials (COW) */
+- const struct cred __rcu *cred; /* effective (overridable) subjective task
+- * credentials (COW) */
+ char comm[TASK_COMM_LEN]; /* executable name excluding path
+ - access with [gs]et_task_comm (which lock
+ it with task_lock())
+@@ -1394,6 +1409,10 @@ struct task_struct {
+ #endif
+ /* CPU-specific state of this task */
+ struct thread_struct thread;
++/* thread_info moved to task_struct */
++#ifdef CONFIG_X86
++ struct thread_info tinfo;
++#endif
+ /* filesystem information */
+ struct fs_struct *fs;
+ /* open file information */
+@@ -1467,6 +1486,10 @@ struct task_struct {
+ gfp_t lockdep_reclaim_gfp;
+ #endif
+
++/* process credentials */
++ const struct cred __rcu *real_cred; /* objective and real subjective task
++ * credentials (COW) */
++
+ /* journalling filesystem info */
+ void *journal_info;
+
+@@ -1505,6 +1528,10 @@ struct task_struct {
+ /* cg_list protected by css_set_lock and tsk->alloc_lock */
+ struct list_head cg_list;
+ #endif
++
++ const struct cred __rcu *cred; /* effective (overridable) subjective task
++ * credentials (COW) */
++
+ #ifdef CONFIG_FUTEX
+ struct robust_list_head __user *robust_list;
+ #ifdef CONFIG_COMPAT
+@@ -1589,8 +1616,74 @@ struct task_struct {
+ #ifdef CONFIG_UPROBES
+ struct uprobe_task *utask;
+ #endif
++
++#ifdef CONFIG_GRKERNSEC
++ /* grsecurity */
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ u64 exec_id;
++#endif
++#ifdef CONFIG_GRKERNSEC_SETXID
++ const struct cred *delayed_cred;
++#endif
++ struct dentry *gr_chroot_dentry;
++ struct acl_subject_label *acl;
++ struct acl_role_label *role;
++ struct file *exec_file;
++ u16 acl_role_id;
++ /* is this the task that authenticated to the special role */
++ u8 acl_sp_role;
++ u8 is_writable;
++ u8 brute;
++ u8 gr_is_chrooted;
++#endif
++
+ };
+
++#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */
++#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */
++#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */
++#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */
++/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */
++#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */
++
++#ifdef CONFIG_PAX_SOFTMODE
++extern int pax_softmode;
++#endif
++
++extern int pax_check_flags(unsigned long *);
++
++/* if tsk != current then task_lock must be held on it */
++#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
++static inline unsigned long pax_get_flags(struct task_struct *tsk)
++{
++ if (likely(tsk->mm))
++ return tsk->mm->pax_flags;
++ else
++ return 0UL;
++}
++
++/* if tsk != current then task_lock must be held on it */
++static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags)
++{
++ if (likely(tsk->mm)) {
++ tsk->mm->pax_flags = flags;
++ return 0;
++ }
++ return -EINVAL;
++}
++#endif
++
++#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
++extern void pax_set_initial_flags(struct linux_binprm *bprm);
++#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
++extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
++#endif
++
++extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp);
++extern void pax_report_insns(struct pt_regs *regs, void *pc, void *sp);
++extern void pax_report_refcount_overflow(struct pt_regs *regs);
++extern void check_object_size(const void *ptr, unsigned long n, bool to);
++
+ /* Future-safe accessor for struct task_struct's cpus_allowed. */
+ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
+
+@@ -2125,7 +2218,9 @@ void yield(void);
+ extern struct exec_domain default_exec_domain;
+
+ union thread_union {
++#ifndef CONFIG_X86
+ struct thread_info thread_info;
++#endif
+ unsigned long stack[THREAD_SIZE/sizeof(long)];
+ };
+
+@@ -2158,6 +2253,7 @@ extern struct pid_namespace init_pid_ns;
+ */
+
+ extern struct task_struct *find_task_by_vpid(pid_t nr);
++extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr);
+ extern struct task_struct *find_task_by_pid_ns(pid_t nr,
+ struct pid_namespace *ns);
+
+@@ -2314,7 +2410,7 @@ extern void __cleanup_sighand(struct sighand_struct *);
+ extern void exit_itimers(struct signal_struct *);
+ extern void flush_itimer_signals(void);
+
+-extern void do_group_exit(int);
++extern __noreturn void do_group_exit(int);
+
+ extern void daemonize(const char *, ...);
+ extern int allow_signal(int);
+@@ -2515,9 +2611,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
+
+ #endif
+
+-static inline int object_is_on_stack(void *obj)
++static inline int object_starts_on_stack(void *obj)
+ {
+- void *stack = task_stack_page(current);
++ const void *stack = task_stack_page(current);
+
+ return (obj >= stack) && (obj < (stack + THREAD_SIZE));
+ }
+diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
+index 899fbb4..1cb4138 100644
+--- a/include/linux/screen_info.h
++++ b/include/linux/screen_info.h
+@@ -43,7 +43,8 @@ struct screen_info {
+ __u16 pages; /* 0x32 */
+ __u16 vesa_attributes; /* 0x34 */
+ __u32 capabilities; /* 0x36 */
+- __u8 _reserved[6]; /* 0x3a */
++ __u16 vesapm_size; /* 0x3a */
++ __u8 _reserved[4]; /* 0x3c */
+ } __attribute__((packed));
+
+ #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
+diff --git a/include/linux/security.h b/include/linux/security.h
+index d143b8e..9f27b95 100644
+--- a/include/linux/security.h
++++ b/include/linux/security.h
+@@ -26,6 +26,7 @@
+ #include <linux/capability.h>
+ #include <linux/slab.h>
+ #include <linux/err.h>
++#include <linux/grsecurity.h>
+
+ struct linux_binprm;
+ struct cred;
+diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
+index 83c44ee..e8a9eba 100644
+--- a/include/linux/seq_file.h
++++ b/include/linux/seq_file.h
+@@ -25,6 +25,9 @@ struct seq_file {
+ struct mutex lock;
+ const struct seq_operations *op;
+ int poll_event;
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ u64 exec_id;
++#endif
+ void *private;
+ };
+
+@@ -34,6 +37,7 @@ struct seq_operations {
+ void * (*next) (struct seq_file *m, void *v, loff_t *pos);
+ int (*show) (struct seq_file *m, void *v);
+ };
++typedef struct seq_operations __no_const seq_operations_no_const;
+
+ #define SEQ_SKIP 1
+
+diff --git a/include/linux/shm.h b/include/linux/shm.h
+index edd0868..f98feee 100644
+--- a/include/linux/shm.h
++++ b/include/linux/shm.h
+@@ -98,6 +98,10 @@ struct shmid_kernel /* private to the kernel */
+
+ /* The task created the shm object. NULL if the task is dead. */
+ struct task_struct *shm_creator;
++#ifdef CONFIG_GRKERNSEC
++ time_t shm_createtime;
++ pid_t shm_lapid;
++#endif
+ };
+
+ /* shm_mode upper byte flags */
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index f3165d2..2cb3cb7 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -577,7 +577,7 @@ extern bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from,
+ extern struct sk_buff *__alloc_skb(unsigned int size,
+ gfp_t priority, int flags, int node);
+ extern struct sk_buff *build_skb(void *data, unsigned int frag_size);
+-static inline struct sk_buff *alloc_skb(unsigned int size,
++static inline struct sk_buff * __intentional_overflow(0) alloc_skb(unsigned int size,
+ gfp_t priority)
+ {
+ return __alloc_skb(size, priority, 0, NUMA_NO_NODE);
+@@ -687,7 +687,7 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb)
+ */
+ static inline int skb_queue_empty(const struct sk_buff_head *list)
+ {
+- return list->next == (struct sk_buff *)list;
++ return list->next == (const struct sk_buff *)list;
+ }
+
+ /**
+@@ -700,7 +700,7 @@ static inline int skb_queue_empty(const struct sk_buff_head *list)
+ static inline bool skb_queue_is_last(const struct sk_buff_head *list,
+ const struct sk_buff *skb)
+ {
+- return skb->next == (struct sk_buff *)list;
++ return skb->next == (const struct sk_buff *)list;
+ }
+
+ /**
+@@ -713,7 +713,7 @@ static inline bool skb_queue_is_last(const struct sk_buff_head *list,
+ static inline bool skb_queue_is_first(const struct sk_buff_head *list,
+ const struct sk_buff *skb)
+ {
+- return skb->prev == (struct sk_buff *)list;
++ return skb->prev == (const struct sk_buff *)list;
+ }
+
+ /**
+@@ -1623,7 +1623,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
+ * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
+ */
+ #ifndef NET_SKB_PAD
+-#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
++#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES)
+ #endif
+
+ extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);
+@@ -2201,7 +2201,7 @@ extern struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags,
+ int noblock, int *err);
+ extern unsigned int datagram_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait);
+-extern int skb_copy_datagram_iovec(const struct sk_buff *from,
++extern int __intentional_overflow(0) skb_copy_datagram_iovec(const struct sk_buff *from,
+ int offset, struct iovec *to,
+ int size);
+ extern int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
+diff --git a/include/linux/slab.h b/include/linux/slab.h
+index 0dd2dfa..2b8677c 100644
+--- a/include/linux/slab.h
++++ b/include/linux/slab.h
+@@ -11,12 +11,20 @@
+
+ #include <linux/gfp.h>
+ #include <linux/types.h>
++#include <linux/err.h>
+
+ /*
+ * Flags to pass to kmem_cache_create().
+ * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set.
+ */
+ #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */
++#else
++#define SLAB_USERCOPY 0x00000000UL
++#endif
++
+ #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */
+ #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */
+ #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */
+@@ -87,10 +95,13 @@
+ * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can.
+ * Both make kfree a no-op.
+ */
+-#define ZERO_SIZE_PTR ((void *)16)
++#define ZERO_SIZE_PTR \
++({ \
++ BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\
++ (void *)(-MAX_ERRNO-1L); \
++})
+
+-#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \
+- (unsigned long)ZERO_SIZE_PTR)
++#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1)
+
+ /*
+ * Common fields provided in kmem_cache by all slab allocators
+@@ -185,6 +196,8 @@ void * __must_check krealloc(const void *, size_t, gfp_t);
+ void kfree(const void *);
+ void kzfree(const void *);
+ size_t ksize(const void *);
++const char *check_heap_object(const void *ptr, unsigned long n, bool to);
++bool is_usercopy_object(const void *ptr);
+
+ /*
+ * Allocator specific definitions. These are mainly used to establish optimized
+@@ -322,7 +335,7 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
+ */
+ #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
+ (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
+-extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
++extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long) __size_overflow(1);
+ #define kmalloc_track_caller(size, flags) \
+ __kmalloc_track_caller(size, flags, _RET_IP_)
+ #else
+@@ -341,7 +354,7 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
+ */
+ #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
+ (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
+-extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
++extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long) __size_overflow(1);
+ #define kmalloc_node_track_caller(size, flags, node) \
+ __kmalloc_node_track_caller(size, flags, node, \
+ _RET_IP_)
+diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
+index 0c634fa..8616300 100644
+--- a/include/linux/slab_def.h
++++ b/include/linux/slab_def.h
+@@ -69,10 +69,10 @@ struct kmem_cache {
+ unsigned long node_allocs;
+ unsigned long node_frees;
+ unsigned long node_overflow;
+- atomic_t allochit;
+- atomic_t allocmiss;
+- atomic_t freehit;
+- atomic_t freemiss;
++ atomic_unchecked_t allochit;
++ atomic_unchecked_t allocmiss;
++ atomic_unchecked_t freehit;
++ atomic_unchecked_t freemiss;
+
+ /*
+ * If debugging is enabled, then the allocator can add additional
+@@ -105,11 +105,16 @@ struct cache_sizes {
+ #ifdef CONFIG_ZONE_DMA
+ struct kmem_cache *cs_dmacachep;
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ struct kmem_cache *cs_usercopycachep;
++#endif
++
+ };
+ extern struct cache_sizes malloc_sizes[];
+
+ void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
+-void *__kmalloc(size_t size, gfp_t flags);
++void *__kmalloc(size_t size, gfp_t flags) __size_overflow(1);
+
+ #ifdef CONFIG_TRACING
+ extern void *kmem_cache_alloc_trace(size_t size,
+@@ -152,6 +157,13 @@ found:
+ cachep = malloc_sizes[i].cs_dmacachep;
+ else
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ if (flags & GFP_USERCOPY)
++ cachep = malloc_sizes[i].cs_usercopycachep;
++ else
++#endif
++
+ cachep = malloc_sizes[i].cs_cachep;
+
+ ret = kmem_cache_alloc_trace(size, cachep, flags);
+@@ -162,7 +174,7 @@ found:
+ }
+
+ #ifdef CONFIG_NUMA
+-extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
++extern void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
+ extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
+
+ #ifdef CONFIG_TRACING
+@@ -205,6 +217,13 @@ found:
+ cachep = malloc_sizes[i].cs_dmacachep;
+ else
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ if (flags & GFP_USERCOPY)
++ cachep = malloc_sizes[i].cs_usercopycachep;
++ else
++#endif
++
+ cachep = malloc_sizes[i].cs_cachep;
+
+ return kmem_cache_alloc_node_trace(size, cachep, flags, node);
+diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
+index 0ec00b3..22b4715 100644
+--- a/include/linux/slob_def.h
++++ b/include/linux/slob_def.h
+@@ -9,7 +9,7 @@ static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep,
+ return kmem_cache_alloc_node(cachep, flags, -1);
+ }
+
+-void *__kmalloc_node(size_t size, gfp_t flags, int node);
++void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
+
+ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
+ {
+@@ -29,7 +29,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
+ return __kmalloc_node(size, flags, -1);
+ }
+
+-static __always_inline void *__kmalloc(size_t size, gfp_t flags)
++static __always_inline __size_overflow(1) void *__kmalloc(size_t size, gfp_t flags)
+ {
+ return kmalloc(size, flags);
+ }
+diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
+index df448ad..b99e7f6 100644
+--- a/include/linux/slub_def.h
++++ b/include/linux/slub_def.h
+@@ -91,7 +91,7 @@ struct kmem_cache {
+ struct kmem_cache_order_objects max;
+ struct kmem_cache_order_objects min;
+ gfp_t allocflags; /* gfp flags to use on each alloc */
+- int refcount; /* Refcount for slab cache destroy */
++ atomic_t refcount; /* Refcount for slab cache destroy */
+ void (*ctor)(void *);
+ int inuse; /* Offset to metadata */
+ int align; /* Alignment */
+@@ -152,7 +152,7 @@ extern struct kmem_cache *kmalloc_caches[SLUB_PAGE_SHIFT];
+ * Sorry that the following has to be that ugly but some versions of GCC
+ * have trouble with constant propagation and loops.
+ */
+-static __always_inline int kmalloc_index(size_t size)
++static __always_inline __size_overflow(1) int kmalloc_index(size_t size)
+ {
+ if (!size)
+ return 0;
+@@ -217,7 +217,7 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
+ }
+
+ void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
+-void *__kmalloc(size_t size, gfp_t flags);
++void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1) __size_overflow(1);
+
+ static __always_inline void *
+ kmalloc_order(size_t size, gfp_t flags, unsigned int order)
+@@ -258,7 +258,7 @@ kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
+ }
+ #endif
+
+-static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
++static __always_inline __size_overflow(1) void *kmalloc_large(size_t size, gfp_t flags)
+ {
+ unsigned int order = get_order(size);
+ return kmalloc_order_trace(size, flags, order);
+@@ -283,7 +283,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
+ }
+
+ #ifdef CONFIG_NUMA
+-void *__kmalloc_node(size_t size, gfp_t flags, int node);
++void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1);
+ void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
+
+ #ifdef CONFIG_TRACING
+diff --git a/include/linux/sonet.h b/include/linux/sonet.h
+index de8832d..0147b46 100644
+--- a/include/linux/sonet.h
++++ b/include/linux/sonet.h
+@@ -61,7 +61,7 @@ struct sonet_stats {
+ #include <linux/atomic.h>
+
+ struct k_sonet_stats {
+-#define __HANDLE_ITEM(i) atomic_t i
++#define __HANDLE_ITEM(i) atomic_unchecked_t i
+ __SONET_ITEMS
+ #undef __HANDLE_ITEM
+ };
+diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
+index 523547e..2cb7140 100644
+--- a/include/linux/sunrpc/clnt.h
++++ b/include/linux/sunrpc/clnt.h
+@@ -174,9 +174,9 @@ static inline unsigned short rpc_get_port(const struct sockaddr *sap)
+ {
+ switch (sap->sa_family) {
+ case AF_INET:
+- return ntohs(((struct sockaddr_in *)sap)->sin_port);
++ return ntohs(((const struct sockaddr_in *)sap)->sin_port);
+ case AF_INET6:
+- return ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
++ return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port);
+ }
+ return 0;
+ }
+@@ -209,7 +209,7 @@ static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1,
+ static inline bool __rpc_copy_addr4(struct sockaddr *dst,
+ const struct sockaddr *src)
+ {
+- const struct sockaddr_in *ssin = (struct sockaddr_in *) src;
++ const struct sockaddr_in *ssin = (const struct sockaddr_in *) src;
+ struct sockaddr_in *dsin = (struct sockaddr_in *) dst;
+
+ dsin->sin_family = ssin->sin_family;
+@@ -312,7 +312,7 @@ static inline u32 rpc_get_scope_id(const struct sockaddr *sa)
+ if (sa->sa_family != AF_INET6)
+ return 0;
+
+- return ((struct sockaddr_in6 *) sa)->sin6_scope_id;
++ return ((const struct sockaddr_in6 *) sa)->sin6_scope_id;
+ }
+
+ #endif /* __KERNEL__ */
+diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
+index dc0c3cc..8503fb6 100644
+--- a/include/linux/sunrpc/sched.h
++++ b/include/linux/sunrpc/sched.h
+@@ -106,6 +106,7 @@ struct rpc_call_ops {
+ void (*rpc_count_stats)(struct rpc_task *, void *);
+ void (*rpc_release)(void *);
+ };
++typedef struct rpc_call_ops __no_const rpc_call_ops_no_const;
+
+ struct rpc_task_setup {
+ struct rpc_task *task;
+diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
+index 0b8e3e6..33e0a01 100644
+--- a/include/linux/sunrpc/svc_rdma.h
++++ b/include/linux/sunrpc/svc_rdma.h
+@@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord;
+ extern unsigned int svcrdma_max_requests;
+ extern unsigned int svcrdma_max_req_size;
+
+-extern atomic_t rdma_stat_recv;
+-extern atomic_t rdma_stat_read;
+-extern atomic_t rdma_stat_write;
+-extern atomic_t rdma_stat_sq_starve;
+-extern atomic_t rdma_stat_rq_starve;
+-extern atomic_t rdma_stat_rq_poll;
+-extern atomic_t rdma_stat_rq_prod;
+-extern atomic_t rdma_stat_sq_poll;
+-extern atomic_t rdma_stat_sq_prod;
++extern atomic_unchecked_t rdma_stat_recv;
++extern atomic_unchecked_t rdma_stat_read;
++extern atomic_unchecked_t rdma_stat_write;
++extern atomic_unchecked_t rdma_stat_sq_starve;
++extern atomic_unchecked_t rdma_stat_rq_starve;
++extern atomic_unchecked_t rdma_stat_rq_poll;
++extern atomic_unchecked_t rdma_stat_rq_prod;
++extern atomic_unchecked_t rdma_stat_sq_poll;
++extern atomic_unchecked_t rdma_stat_sq_prod;
+
+ #define RPCRDMA_VERSION 1
+
+diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
+index c34b4c8..a65b67d 100644
+--- a/include/linux/sysctl.h
++++ b/include/linux/sysctl.h
+@@ -155,7 +155,11 @@ enum
+ KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */
+ };
+
+-
++#ifdef CONFIG_PAX_SOFTMODE
++enum {
++ PAX_SOFTMODE=1 /* PaX: disable/enable soft mode */
++};
++#endif
+
+ /* CTL_VM names: */
+ enum
+@@ -948,6 +952,8 @@ typedef int proc_handler (struct ctl_table *ctl, int write,
+
+ extern int proc_dostring(struct ctl_table *, int,
+ void __user *, size_t *, loff_t *);
++extern int proc_dostring_modpriv(struct ctl_table *, int,
++ void __user *, size_t *, loff_t *);
+ extern int proc_dointvec(struct ctl_table *, int,
+ void __user *, size_t *, loff_t *);
+ extern int proc_dointvec_minmax(struct ctl_table *, int,
+diff --git a/include/linux/tty.h b/include/linux/tty.h
+index 9f47ab5..73da944 100644
+--- a/include/linux/tty.h
++++ b/include/linux/tty.h
+@@ -225,7 +225,7 @@ struct tty_port {
+ const struct tty_port_operations *ops; /* Port operations */
+ spinlock_t lock; /* Lock protecting tty field */
+ int blocked_open; /* Waiting to open */
+- int count; /* Usage count */
++ atomic_t count; /* Usage count */
+ wait_queue_head_t open_wait; /* Open waiters */
+ wait_queue_head_t close_wait; /* Close waiters */
+ wait_queue_head_t delta_msr_wait; /* Modem status change */
+@@ -525,7 +525,7 @@ extern int tty_port_open(struct tty_port *port,
+ struct tty_struct *tty, struct file *filp);
+ static inline int tty_port_users(struct tty_port *port)
+ {
+- return port->count + port->blocked_open;
++ return atomic_read(&port->count) + port->blocked_open;
+ }
+
+ extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
+diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
+index fb79dd8d..07d4773 100644
+--- a/include/linux/tty_ldisc.h
++++ b/include/linux/tty_ldisc.h
+@@ -149,7 +149,7 @@ struct tty_ldisc_ops {
+
+ struct module *owner;
+
+- int refcount;
++ atomic_t refcount;
+ };
+
+ struct tty_ldisc {
+diff --git a/include/linux/types.h b/include/linux/types.h
+index bf0dd75..a1f23aaa 100644
+--- a/include/linux/types.h
++++ b/include/linux/types.h
+@@ -220,10 +220,26 @@ typedef struct {
+ int counter;
+ } atomic_t;
+
++#ifdef CONFIG_PAX_REFCOUNT
++typedef struct {
++ int counter;
++} atomic_unchecked_t;
++#else
++typedef atomic_t atomic_unchecked_t;
++#endif
++
+ #ifdef CONFIG_64BIT
+ typedef struct {
+ long counter;
+ } atomic64_t;
++
++#ifdef CONFIG_PAX_REFCOUNT
++typedef struct {
++ long counter;
++} atomic64_unchecked_t;
++#else
++typedef atomic64_t atomic64_unchecked_t;
++#endif
+ #endif
+
+ struct list_head {
+diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
+index 5ca0951..ab496a5 100644
+--- a/include/linux/uaccess.h
++++ b/include/linux/uaccess.h
+@@ -76,11 +76,11 @@ static inline unsigned long __copy_from_user_nocache(void *to,
+ long ret; \
+ mm_segment_t old_fs = get_fs(); \
+ \
+- set_fs(KERNEL_DS); \
+ pagefault_disable(); \
+- ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \
+- pagefault_enable(); \
++ set_fs(KERNEL_DS); \
++ ret = __copy_from_user_inatomic(&(retval), (typeof(retval) __force_user *)(addr), sizeof(retval)); \
+ set_fs(old_fs); \
++ pagefault_enable(); \
+ ret; \
+ })
+
+diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h
+index 99c1b4d..bb94261 100644
+--- a/include/linux/unaligned/access_ok.h
++++ b/include/linux/unaligned/access_ok.h
+@@ -6,32 +6,32 @@
+
+ static inline u16 get_unaligned_le16(const void *p)
+ {
+- return le16_to_cpup((__le16 *)p);
++ return le16_to_cpup((const __le16 *)p);
+ }
+
+ static inline u32 get_unaligned_le32(const void *p)
+ {
+- return le32_to_cpup((__le32 *)p);
++ return le32_to_cpup((const __le32 *)p);
+ }
+
+ static inline u64 get_unaligned_le64(const void *p)
+ {
+- return le64_to_cpup((__le64 *)p);
++ return le64_to_cpup((const __le64 *)p);
+ }
+
+ static inline u16 get_unaligned_be16(const void *p)
+ {
+- return be16_to_cpup((__be16 *)p);
++ return be16_to_cpup((const __be16 *)p);
+ }
+
+ static inline u32 get_unaligned_be32(const void *p)
+ {
+- return be32_to_cpup((__be32 *)p);
++ return be32_to_cpup((const __be32 *)p);
+ }
+
+ static inline u64 get_unaligned_be64(const void *p)
+ {
+- return be64_to_cpup((__be64 *)p);
++ return be64_to_cpup((const __be64 *)p);
+ }
+
+ static inline void put_unaligned_le16(u16 val, void *p)
+diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
+index c5d36c6..8478c90 100644
+--- a/include/linux/usb/renesas_usbhs.h
++++ b/include/linux/usb/renesas_usbhs.h
+@@ -39,7 +39,7 @@ enum {
+ */
+ struct renesas_usbhs_driver_callback {
+ int (*notify_hotplug)(struct platform_device *pdev);
+-};
++} __no_const;
+
+ /*
+ * callback functions for platform
+@@ -97,7 +97,7 @@ struct renesas_usbhs_platform_callback {
+ * VBUS control is needed for Host
+ */
+ int (*set_vbus)(struct platform_device *pdev, int enable);
+-};
++} __no_const;
+
+ /*
+ * parameters for renesas usbhs
+diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
+index 6f8fbcf..8259001 100644
+--- a/include/linux/vermagic.h
++++ b/include/linux/vermagic.h
+@@ -25,9 +25,35 @@
+ #define MODULE_ARCH_VERMAGIC ""
+ #endif
+
++#ifdef CONFIG_PAX_REFCOUNT
++#define MODULE_PAX_REFCOUNT "REFCOUNT "
++#else
++#define MODULE_PAX_REFCOUNT ""
++#endif
++
++#ifdef CONSTIFY_PLUGIN
++#define MODULE_CONSTIFY_PLUGIN "CONSTIFY_PLUGIN "
++#else
++#define MODULE_CONSTIFY_PLUGIN ""
++#endif
++
++#ifdef STACKLEAK_PLUGIN
++#define MODULE_STACKLEAK_PLUGIN "STACKLEAK_PLUGIN "
++#else
++#define MODULE_STACKLEAK_PLUGIN ""
++#endif
++
++#ifdef CONFIG_GRKERNSEC
++#define MODULE_GRSEC "GRSEC "
++#else
++#define MODULE_GRSEC ""
++#endif
++
+ #define VERMAGIC_STRING \
+ UTS_RELEASE " " \
+ MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
+ MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
+- MODULE_ARCH_VERMAGIC
++ MODULE_ARCH_VERMAGIC \
++ MODULE_PAX_REFCOUNT MODULE_CONSTIFY_PLUGIN MODULE_STACKLEAK_PLUGIN \
++ MODULE_GRSEC
+
+diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
+index 6071e91..ca6a489 100644
+--- a/include/linux/vmalloc.h
++++ b/include/linux/vmalloc.h
+@@ -14,6 +14,11 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */
+ #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
+ #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */
+ #define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
++#define VM_KERNEXEC 0x00000040 /* allocate from executable kernel memory range */
++#endif
++
+ /* bits [20..32] reserved for arch specific ioremap internals */
+
+ /*
+@@ -62,7 +67,7 @@ extern void *vmalloc_32_user(unsigned long size);
+ extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
+ extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
+ unsigned long start, unsigned long end, gfp_t gfp_mask,
+- pgprot_t prot, int node, const void *caller);
++ pgprot_t prot, int node, const void *caller) __size_overflow(1);
+ extern void vfree(const void *addr);
+
+ extern void *vmap(struct page **pages, unsigned int count,
+@@ -124,8 +129,8 @@ extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes);
+ extern void free_vm_area(struct vm_struct *area);
+
+ /* for /dev/kmem */
+-extern long vread(char *buf, char *addr, unsigned long count);
+-extern long vwrite(char *buf, char *addr, unsigned long count);
++extern long vread(char *buf, char *addr, unsigned long count) __size_overflow(3);
++extern long vwrite(char *buf, char *addr, unsigned long count) __size_overflow(3);
+
+ /*
+ * Internals. Dont't use..
+diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
+index ad2cfd5..74c94ad 100644
+--- a/include/linux/vmstat.h
++++ b/include/linux/vmstat.h
+@@ -87,18 +87,18 @@ static inline void vm_events_fold_cpu(int cpu)
+ /*
+ * Zone based page accounting with per cpu differentials.
+ */
+-extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
++extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
+
+ static inline void zone_page_state_add(long x, struct zone *zone,
+ enum zone_stat_item item)
+ {
+- atomic_long_add(x, &zone->vm_stat[item]);
+- atomic_long_add(x, &vm_stat[item]);
++ atomic_long_add_unchecked(x, &zone->vm_stat[item]);
++ atomic_long_add_unchecked(x, &vm_stat[item]);
+ }
+
+ static inline unsigned long global_page_state(enum zone_stat_item item)
+ {
+- long x = atomic_long_read(&vm_stat[item]);
++ long x = atomic_long_read_unchecked(&vm_stat[item]);
+ #ifdef CONFIG_SMP
+ if (x < 0)
+ x = 0;
+@@ -109,7 +109,7 @@ static inline unsigned long global_page_state(enum zone_stat_item item)
+ static inline unsigned long zone_page_state(struct zone *zone,
+ enum zone_stat_item item)
+ {
+- long x = atomic_long_read(&zone->vm_stat[item]);
++ long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
+ #ifdef CONFIG_SMP
+ if (x < 0)
+ x = 0;
+@@ -126,7 +126,7 @@ static inline unsigned long zone_page_state(struct zone *zone,
+ static inline unsigned long zone_page_state_snapshot(struct zone *zone,
+ enum zone_stat_item item)
+ {
+- long x = atomic_long_read(&zone->vm_stat[item]);
++ long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
+
+ #ifdef CONFIG_SMP
+ int cpu;
+@@ -216,8 +216,8 @@ static inline void __mod_zone_page_state(struct zone *zone,
+
+ static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
+ {
+- atomic_long_inc(&zone->vm_stat[item]);
+- atomic_long_inc(&vm_stat[item]);
++ atomic_long_inc_unchecked(&zone->vm_stat[item]);
++ atomic_long_inc_unchecked(&vm_stat[item]);
+ }
+
+ static inline void __inc_zone_page_state(struct page *page,
+@@ -228,8 +228,8 @@ static inline void __inc_zone_page_state(struct page *page,
+
+ static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
+ {
+- atomic_long_dec(&zone->vm_stat[item]);
+- atomic_long_dec(&vm_stat[item]);
++ atomic_long_dec_unchecked(&zone->vm_stat[item]);
++ atomic_long_dec_unchecked(&vm_stat[item]);
+ }
+
+ static inline void __dec_zone_page_state(struct page *page,
+diff --git a/include/linux/xattr.h b/include/linux/xattr.h
+index e5d1220..ef6e406 100644
+--- a/include/linux/xattr.h
++++ b/include/linux/xattr.h
+@@ -57,6 +57,11 @@
+ #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default"
+ #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT
+
++/* User namespace */
++#define XATTR_PAX_PREFIX XATTR_USER_PREFIX "pax."
++#define XATTR_PAX_FLAGS_SUFFIX "flags"
++#define XATTR_NAME_PAX_FLAGS XATTR_PAX_PREFIX XATTR_PAX_FLAGS_SUFFIX
++
+ #ifdef __KERNEL__
+
+ #include <linux/types.h>
+diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h
+index 944ecdf..a3994fc 100644
+--- a/include/media/saa7146_vv.h
++++ b/include/media/saa7146_vv.h
+@@ -161,8 +161,8 @@ struct saa7146_ext_vv
+ int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
+
+ /* the extension can override this */
+- struct v4l2_ioctl_ops vid_ops;
+- struct v4l2_ioctl_ops vbi_ops;
++ v4l2_ioctl_ops_no_const vid_ops;
++ v4l2_ioctl_ops_no_const vbi_ops;
+ /* pointer to the saa7146 core ops */
+ const struct v4l2_ioctl_ops *core_ops;
+
+diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
+index 5c416cd..20021aa 100644
+--- a/include/media/v4l2-dev.h
++++ b/include/media/v4l2-dev.h
+@@ -73,7 +73,8 @@ struct v4l2_file_operations {
+ int (*mmap) (struct file *, struct vm_area_struct *);
+ int (*open) (struct file *);
+ int (*release) (struct file *);
+-};
++} __do_const;
++typedef struct v4l2_file_operations __no_const v4l2_file_operations_no_const;
+
+ /*
+ * Newer version of video_device, handled by videodev2.c
+diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
+index e614c9c..20602b7 100644
+--- a/include/media/v4l2-ioctl.h
++++ b/include/media/v4l2-ioctl.h
+@@ -289,7 +289,7 @@ struct v4l2_ioctl_ops {
+ long (*vidioc_default) (struct file *file, void *fh,
+ bool valid_prio, int cmd, void *arg);
+ };
+-
++typedef struct v4l2_ioctl_ops __no_const v4l2_ioctl_ops_no_const;
+
+ /* v4l debugging and diagnostics */
+
+diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h
+index bcb9cc3..f4ec722e 100644
+--- a/include/net/caif/caif_hsi.h
++++ b/include/net/caif/caif_hsi.h
+@@ -98,7 +98,7 @@ struct cfhsi_cb_ops {
+ void (*rx_done_cb) (struct cfhsi_cb_ops *drv);
+ void (*wake_up_cb) (struct cfhsi_cb_ops *drv);
+ void (*wake_down_cb) (struct cfhsi_cb_ops *drv);
+-};
++} __no_const;
+
+ /* Structure implemented by HSI device. */
+ struct cfhsi_ops {
+diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h
+index 9e5425b..8136ffc 100644
+--- a/include/net/caif/cfctrl.h
++++ b/include/net/caif/cfctrl.h
+@@ -52,7 +52,7 @@ struct cfctrl_rsp {
+ void (*radioset_rsp)(void);
+ void (*reject_rsp)(struct cflayer *layer, u8 linkid,
+ struct cflayer *client_layer);
+-};
++} __no_const;
+
+ /* Link Setup Parameters for CAIF-Links. */
+ struct cfctrl_link_param {
+@@ -101,8 +101,8 @@ struct cfctrl_request_info {
+ struct cfctrl {
+ struct cfsrvl serv;
+ struct cfctrl_rsp res;
+- atomic_t req_seq_no;
+- atomic_t rsp_seq_no;
++ atomic_unchecked_t req_seq_no;
++ atomic_unchecked_t rsp_seq_no;
+ struct list_head list;
+ /* Protects from simultaneous access to first_req list */
+ spinlock_t info_list_lock;
+diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
+index f10553c..fb5204b 100644
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -2633,6 +2633,15 @@ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);
+ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc);
+
+ /**
++ * ieee80211_get_mesh_hdrlen - get mesh extension header length
++ * @meshhdr: the mesh extension header, only the flags field
++ * (first byte) will be accessed
++ * Returns the length of the extension header, which is always at
++ * least 6 bytes and at most 18 if address 5 and 6 are present.
++ */
++unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
++
++/**
+ * DOC: Data path helpers
+ *
+ * In addition to generic utilities, cfg80211 also offers
+diff --git a/include/net/flow.h b/include/net/flow.h
+index 628e11b..4c475df 100644
+--- a/include/net/flow.h
++++ b/include/net/flow.h
+@@ -221,6 +221,6 @@ extern struct flow_cache_object *flow_cache_lookup(
+
+ extern void flow_cache_flush(void);
+ extern void flow_cache_flush_deferred(void);
+-extern atomic_t flow_cache_genid;
++extern atomic_unchecked_t flow_cache_genid;
+
+ #endif
+diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
+index 53f464d..ba76aaa 100644
+--- a/include/net/inetpeer.h
++++ b/include/net/inetpeer.h
+@@ -47,8 +47,8 @@ struct inet_peer {
+ */
+ union {
+ struct {
+- atomic_t rid; /* Frag reception counter */
+- atomic_t ip_id_count; /* IP ID for the next packet */
++ atomic_unchecked_t rid; /* Frag reception counter */
++ atomic_unchecked_t ip_id_count; /* IP ID for the next packet */
+ };
+ struct rcu_head rcu;
+ struct inet_peer *gc_next;
+@@ -182,11 +182,11 @@ static inline int inet_getid(struct inet_peer *p, int more)
+ more++;
+ inet_peer_refcheck(p);
+ do {
+- old = atomic_read(&p->ip_id_count);
++ old = atomic_read_unchecked(&p->ip_id_count);
+ new = old + more;
+ if (!new)
+ new = 1;
+- } while (atomic_cmpxchg(&p->ip_id_count, old, new) != old);
++ } while (atomic_cmpxchg_unchecked(&p->ip_id_count, old, new) != old);
+ return new;
+ }
+
+diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
+index 9497be1..5a4fafe 100644
+--- a/include/net/ip_fib.h
++++ b/include/net/ip_fib.h
+@@ -169,7 +169,7 @@ extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
+
+ #define FIB_RES_SADDR(net, res) \
+ ((FIB_RES_NH(res).nh_saddr_genid == \
+- atomic_read(&(net)->ipv4.dev_addr_genid)) ? \
++ atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \
+ FIB_RES_NH(res).nh_saddr : \
+ fib_info_update_nh_saddr((net), &FIB_RES_NH(res)))
+ #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw)
+diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
+index 95374d1..2300e36 100644
+--- a/include/net/ip_vs.h
++++ b/include/net/ip_vs.h
+@@ -510,7 +510,7 @@ struct ip_vs_conn {
+ struct ip_vs_conn *control; /* Master control connection */
+ atomic_t n_control; /* Number of controlled ones */
+ struct ip_vs_dest *dest; /* real server */
+- atomic_t in_pkts; /* incoming packet counter */
++ atomic_unchecked_t in_pkts; /* incoming packet counter */
+
+ /* packet transmitter for different forwarding methods. If it
+ mangles the packet, it must return NF_DROP or better NF_STOLEN,
+@@ -648,7 +648,7 @@ struct ip_vs_dest {
+ __be16 port; /* port number of the server */
+ union nf_inet_addr addr; /* IP address of the server */
+ volatile unsigned int flags; /* dest status flags */
+- atomic_t conn_flags; /* flags to copy to conn */
++ atomic_unchecked_t conn_flags; /* flags to copy to conn */
+ atomic_t weight; /* server weight */
+
+ atomic_t refcnt; /* reference counter */
+diff --git a/include/net/irda/ircomm_core.h b/include/net/irda/ircomm_core.h
+index 69b610a..fe3962c 100644
+--- a/include/net/irda/ircomm_core.h
++++ b/include/net/irda/ircomm_core.h
+@@ -51,7 +51,7 @@ typedef struct {
+ int (*connect_response)(struct ircomm_cb *, struct sk_buff *);
+ int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *,
+ struct ircomm_info *);
+-} call_t;
++} __no_const call_t;
+
+ struct ircomm_cb {
+ irda_queue_t queue;
+diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h
+index 59ba38bc..d515662 100644
+--- a/include/net/irda/ircomm_tty.h
++++ b/include/net/irda/ircomm_tty.h
+@@ -35,6 +35,7 @@
+ #include <linux/termios.h>
+ #include <linux/timer.h>
+ #include <linux/tty.h> /* struct tty_struct */
++#include <asm/local.h>
+
+ #include <net/irda/irias_object.h>
+ #include <net/irda/ircomm_core.h>
+@@ -105,8 +106,8 @@ struct ircomm_tty_cb {
+ unsigned short close_delay;
+ unsigned short closing_wait; /* time to wait before closing */
+
+- int open_count;
+- int blocked_open; /* # of blocked opens */
++ local_t open_count;
++ local_t blocked_open; /* # of blocked opens */
+
+ /* Protect concurent access to :
+ * o self->open_count
+diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
+index cc7c197..9f2da2a 100644
+--- a/include/net/iucv/af_iucv.h
++++ b/include/net/iucv/af_iucv.h
+@@ -141,7 +141,7 @@ struct iucv_sock {
+ struct iucv_sock_list {
+ struct hlist_head head;
+ rwlock_t lock;
+- atomic_t autobind_name;
++ atomic_unchecked_t autobind_name;
+ };
+
+ unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
+diff --git a/include/net/neighbour.h b/include/net/neighbour.h
+index 344d898..2ae1302 100644
+--- a/include/net/neighbour.h
++++ b/include/net/neighbour.h
+@@ -123,7 +123,7 @@ struct neigh_ops {
+ void (*error_report)(struct neighbour *, struct sk_buff *);
+ int (*output)(struct neighbour *, struct sk_buff *);
+ int (*connected_output)(struct neighbour *, struct sk_buff *);
+-};
++} __do_const;
+
+ struct pneigh_entry {
+ struct pneigh_entry *next;
+diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
+index fd87963..312a11f 100644
+--- a/include/net/net_namespace.h
++++ b/include/net/net_namespace.h
+@@ -102,7 +102,7 @@ struct net {
+ #endif
+ struct netns_ipvs *ipvs;
+ struct sock *diag_nlsk;
+- atomic_t rt_genid;
++ atomic_unchecked_t rt_genid;
+ };
+
+
+@@ -303,12 +303,12 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
+
+ static inline int rt_genid(struct net *net)
+ {
+- return atomic_read(&net->rt_genid);
++ return atomic_read_unchecked(&net->rt_genid);
+ }
+
+ static inline void rt_genid_bump(struct net *net)
+ {
+- atomic_inc(&net->rt_genid);
++ atomic_inc_unchecked(&net->rt_genid);
+ }
+
+ #endif /* __NET_NET_NAMESPACE_H */
+diff --git a/include/net/netdma.h b/include/net/netdma.h
+index 8ba8ce2..99b7fff 100644
+--- a/include/net/netdma.h
++++ b/include/net/netdma.h
+@@ -24,7 +24,7 @@
+ #include <linux/dmaengine.h>
+ #include <linux/skbuff.h>
+
+-int dma_skb_copy_datagram_iovec(struct dma_chan* chan,
++int __intentional_overflow(3,5) dma_skb_copy_datagram_iovec(struct dma_chan* chan,
+ struct sk_buff *skb, int offset, struct iovec *to,
+ size_t len, struct dma_pinned_list *pinned_list);
+
+diff --git a/include/net/netlink.h b/include/net/netlink.h
+index 785f37a..c81dc0c 100644
+--- a/include/net/netlink.h
++++ b/include/net/netlink.h
+@@ -520,7 +520,7 @@ static inline void *nlmsg_get_pos(struct sk_buff *skb)
+ static inline void nlmsg_trim(struct sk_buff *skb, const void *mark)
+ {
+ if (mark)
+- skb_trim(skb, (unsigned char *) mark - skb->data);
++ skb_trim(skb, (const unsigned char *) mark - skb->data);
+ }
+
+ /**
+diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
+index eb24dbc..567d6ed 100644
+--- a/include/net/netns/ipv4.h
++++ b/include/net/netns/ipv4.h
+@@ -65,7 +65,7 @@ struct netns_ipv4 {
+ unsigned int sysctl_ping_group_range[2];
+ long sysctl_tcp_mem[3];
+
+- atomic_t dev_addr_genid;
++ atomic_unchecked_t dev_addr_genid;
+
+ #ifdef CONFIG_IP_MROUTE
+ #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
+diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
+index ff49964..1411fee 100644
+--- a/include/net/sctp/sctp.h
++++ b/include/net/sctp/sctp.h
+@@ -320,9 +320,9 @@ do { \
+
+ #else /* SCTP_DEBUG */
+
+-#define SCTP_DEBUG_PRINTK(whatever...)
+-#define SCTP_DEBUG_PRINTK_CONT(fmt, args...)
+-#define SCTP_DEBUG_PRINTK_IPADDR(whatever...)
++#define SCTP_DEBUG_PRINTK(whatever...) do {} while (0)
++#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) do {} while (0)
++#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) do {} while (0)
+ #define SCTP_ENABLE_DEBUG
+ #define SCTP_DISABLE_DEBUG
+ #define SCTP_ASSERT(expr, str, func)
+diff --git a/include/net/sock.h b/include/net/sock.h
+index adb7da2..1100002 100644
+--- a/include/net/sock.h
++++ b/include/net/sock.h
+@@ -305,7 +305,7 @@ struct sock {
+ #ifdef CONFIG_RPS
+ __u32 sk_rxhash;
+ #endif
+- atomic_t sk_drops;
++ atomic_unchecked_t sk_drops;
+ int sk_rcvbuf;
+
+ struct sk_filter __rcu *sk_filter;
+@@ -1764,7 +1764,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)
+ }
+
+ static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,
+- char __user *from, char *to,
++ char __user *from, unsigned char *to,
+ int copy, int offset)
+ {
+ if (skb->ip_summed == CHECKSUM_NONE) {
+@@ -2023,7 +2023,7 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
+ }
+ }
+
+-struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
++struct sk_buff * __intentional_overflow(0) sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
+
+ static inline struct page *sk_stream_alloc_page(struct sock *sk)
+ {
+diff --git a/include/net/tcp.h b/include/net/tcp.h
+index 1f000ff..e5a8dfb 100644
+--- a/include/net/tcp.h
++++ b/include/net/tcp.h
+@@ -508,7 +508,7 @@ extern void tcp_retransmit_timer(struct sock *sk);
+ extern void tcp_xmit_retransmit_queue(struct sock *);
+ extern void tcp_simple_retransmit(struct sock *);
+ extern int tcp_trim_head(struct sock *, struct sk_buff *, u32);
+-extern int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int);
++extern int __intentional_overflow(3) tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int);
+
+ extern void tcp_send_probe0(struct sock *);
+ extern void tcp_send_partial(struct sock *);
+@@ -677,8 +677,8 @@ struct tcp_skb_cb {
+ struct inet6_skb_parm h6;
+ #endif
+ } header; /* For incoming frames */
+- __u32 seq; /* Starting sequence number */
+- __u32 end_seq; /* SEQ + FIN + SYN + datalen */
++ __u32 seq __intentional_overflow(0); /* Starting sequence number */
++ __u32 end_seq __intentional_overflow(0); /* SEQ + FIN + SYN + datalen */
+ __u32 when; /* used to compute rtt's */
+ __u8 tcp_flags; /* TCP header flags. (tcp[13]) */
+
+@@ -692,7 +692,7 @@ struct tcp_skb_cb {
+
+ __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */
+ /* 1 byte hole */
+- __u32 ack_seq; /* Sequence number ACK'd */
++ __u32 ack_seq __intentional_overflow(0); /* Sequence number ACK'd */
+ };
+
+ #define TCP_SKB_CB(__skb) ((struct tcp_skb_cb *)&((__skb)->cb[0]))
+@@ -1502,7 +1502,7 @@ struct tcp_seq_afinfo {
+ char *name;
+ sa_family_t family;
+ const struct file_operations *seq_fops;
+- struct seq_operations seq_ops;
++ seq_operations_no_const seq_ops;
+ };
+
+ struct tcp_iter_state {
+diff --git a/include/net/udp.h b/include/net/udp.h
+index 065f379..b661b40 100644
+--- a/include/net/udp.h
++++ b/include/net/udp.h
+@@ -244,7 +244,7 @@ struct udp_seq_afinfo {
+ sa_family_t family;
+ struct udp_table *udp_table;
+ const struct file_operations *seq_fops;
+- struct seq_operations seq_ops;
++ seq_operations_no_const seq_ops;
+ };
+
+ struct udp_iter_state {
+diff --git a/include/net/xfrm.h b/include/net/xfrm.h
+index 639dd13..15b206c 100644
+--- a/include/net/xfrm.h
++++ b/include/net/xfrm.h
+@@ -514,7 +514,7 @@ struct xfrm_policy {
+ struct timer_list timer;
+
+ struct flow_cache_object flo;
+- atomic_t genid;
++ atomic_unchecked_t genid;
+ u32 priority;
+ u32 index;
+ struct xfrm_mark mark;
+diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
+index 1a046b1..ee0bef0 100644
+--- a/include/rdma/iw_cm.h
++++ b/include/rdma/iw_cm.h
+@@ -122,7 +122,7 @@ struct iw_cm_verbs {
+ int backlog);
+
+ int (*destroy_listen)(struct iw_cm_id *cm_id);
+-};
++} __no_const;
+
+ /**
+ * iw_create_cm_id - Create an IW CM identifier.
+diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
+index 399162b..b337f1a 100644
+--- a/include/scsi/libfc.h
++++ b/include/scsi/libfc.h
+@@ -762,6 +762,7 @@ struct libfc_function_template {
+ */
+ void (*disc_stop_final) (struct fc_lport *);
+ };
++typedef struct libfc_function_template __no_const libfc_function_template_no_const;
+
+ /**
+ * struct fc_disc - Discovery context
+@@ -866,7 +867,7 @@ struct fc_lport {
+ struct fc_vport *vport;
+
+ /* Operational Information */
+- struct libfc_function_template tt;
++ libfc_function_template_no_const tt;
+ u8 link_up;
+ u8 qfull;
+ enum fc_lport_state state;
+diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
+index 9895f69..f1418f0 100644
+--- a/include/scsi/scsi_device.h
++++ b/include/scsi/scsi_device.h
+@@ -166,9 +166,9 @@ struct scsi_device {
+ unsigned int max_device_blocked; /* what device_blocked counts down from */
+ #define SCSI_DEFAULT_DEVICE_BLOCKED 3
+
+- atomic_t iorequest_cnt;
+- atomic_t iodone_cnt;
+- atomic_t ioerr_cnt;
++ atomic_unchecked_t iorequest_cnt;
++ atomic_unchecked_t iodone_cnt;
++ atomic_unchecked_t ioerr_cnt;
+
+ struct device sdev_gendev,
+ sdev_dev;
+diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
+index b797e8f..8e2c3aa 100644
+--- a/include/scsi/scsi_transport_fc.h
++++ b/include/scsi/scsi_transport_fc.h
+@@ -751,7 +751,8 @@ struct fc_function_template {
+ unsigned long show_host_system_hostname:1;
+
+ unsigned long disable_target_scan:1;
+-};
++} __do_const;
++typedef struct fc_function_template __no_const fc_function_template_no_const;
+
+
+ /**
+diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
+index 030b87c..98a6954 100644
+--- a/include/sound/ak4xxx-adda.h
++++ b/include/sound/ak4xxx-adda.h
+@@ -35,7 +35,7 @@ struct snd_ak4xxx_ops {
+ void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+ unsigned char val);
+ void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
+-};
++} __no_const;
+
+ #define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
+
+diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
+index 8c05e47..2b5df97 100644
+--- a/include/sound/hwdep.h
++++ b/include/sound/hwdep.h
+@@ -49,7 +49,7 @@ struct snd_hwdep_ops {
+ struct snd_hwdep_dsp_status *status);
+ int (*dsp_load)(struct snd_hwdep *hw,
+ struct snd_hwdep_dsp_image *image);
+-};
++} __no_const;
+
+ struct snd_hwdep {
+ struct snd_card *card;
+diff --git a/include/sound/info.h b/include/sound/info.h
+index 9ca1a49..aba1728 100644
+--- a/include/sound/info.h
++++ b/include/sound/info.h
+@@ -44,7 +44,7 @@ struct snd_info_entry_text {
+ struct snd_info_buffer *buffer);
+ void (*write)(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer);
+-};
++} __no_const;
+
+ struct snd_info_entry_ops {
+ int (*open)(struct snd_info_entry *entry,
+diff --git a/include/sound/pcm.h b/include/sound/pcm.h
+index cdca2ab..10bbe05 100644
+--- a/include/sound/pcm.h
++++ b/include/sound/pcm.h
+@@ -81,6 +81,7 @@ struct snd_pcm_ops {
+ int (*mmap)(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
+ int (*ack)(struct snd_pcm_substream *substream);
+ };
++typedef struct snd_pcm_ops __no_const snd_pcm_ops_no_const;
+
+ /*
+ *
+diff --git a/include/sound/sb16_csp.h b/include/sound/sb16_csp.h
+index af1b49e..a5d55a5 100644
+--- a/include/sound/sb16_csp.h
++++ b/include/sound/sb16_csp.h
+@@ -146,7 +146,7 @@ struct snd_sb_csp_ops {
+ int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
+ int (*csp_stop) (struct snd_sb_csp * p);
+ int (*csp_qsound_transfer) (struct snd_sb_csp * p);
+-};
++} __no_const;
+
+ /*
+ * CSP private data
+diff --git a/include/sound/soc.h b/include/sound/soc.h
+index e063380..e8077d5 100644
+--- a/include/sound/soc.h
++++ b/include/sound/soc.h
+@@ -801,7 +801,7 @@ struct snd_soc_platform_driver {
+ unsigned int (*read)(struct snd_soc_platform *, unsigned int);
+ int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
+ int (*bespoke_trigger)(struct snd_pcm_substream *, int);
+-};
++} __do_const;
+
+ struct snd_soc_platform {
+ const char *name;
+@@ -1016,7 +1016,7 @@ struct snd_soc_pcm_runtime {
+ struct snd_soc_dai_link *dai_link;
+ struct mutex pcm_mutex;
+ enum snd_soc_pcm_subclass pcm_subclass;
+- struct snd_pcm_ops ops;
++ snd_pcm_ops_no_const ops;
+
+ unsigned int dev_registered:1;
+
+diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h
+index fe8590c..aaed363 100644
+--- a/include/sound/tea575x-tuner.h
++++ b/include/sound/tea575x-tuner.h
+@@ -48,7 +48,7 @@ struct snd_tea575x_ops {
+
+ struct snd_tea575x {
+ struct v4l2_device *v4l2_dev;
+- struct v4l2_file_operations fops;
++ v4l2_file_operations_no_const fops;
+ struct video_device vd; /* video device */
+ int radio_nr; /* radio_nr */
+ bool tea5759; /* 5759 chip is present */
+diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
+index 5be8937..a8e46e9 100644
+--- a/include/target/target_core_base.h
++++ b/include/target/target_core_base.h
+@@ -434,7 +434,7 @@ struct t10_reservation_ops {
+ int (*t10_seq_non_holder)(struct se_cmd *, unsigned char *, u32);
+ int (*t10_pr_register)(struct se_cmd *);
+ int (*t10_pr_clear)(struct se_cmd *);
+-};
++} __no_const;
+
+ struct t10_reservation {
+ /* Reservation effects all target ports */
+@@ -758,7 +758,7 @@ struct se_device {
+ spinlock_t stats_lock;
+ /* Active commands on this virtual SE device */
+ atomic_t simple_cmds;
+- atomic_t dev_ordered_id;
++ atomic_unchecked_t dev_ordered_id;
+ atomic_t dev_ordered_sync;
+ atomic_t dev_qf_count;
+ struct se_obj dev_obj;
+diff --git a/include/trace/events/fs.h b/include/trace/events/fs.h
+new file mode 100644
+index 0000000..2efe49d
+--- /dev/null
++++ b/include/trace/events/fs.h
+@@ -0,0 +1,53 @@
++#undef TRACE_SYSTEM
++#define TRACE_SYSTEM fs
++
++#if !defined(_TRACE_FS_H) || defined(TRACE_HEADER_MULTI_READ)
++#define _TRACE_FS_H
++
++#include <linux/fs.h>
++#include <linux/tracepoint.h>
++
++TRACE_EVENT(do_sys_open,
++
++ TP_PROTO(char *filename, int flags, int mode),
++
++ TP_ARGS(filename, flags, mode),
++
++ TP_STRUCT__entry(
++ __string( filename, filename )
++ __field( int, flags )
++ __field( int, mode )
++ ),
++
++ TP_fast_assign(
++ __assign_str(filename, filename);
++ __entry->flags = flags;
++ __entry->mode = mode;
++ ),
++
++ TP_printk("\"%s\" %x %o",
++ __get_str(filename), __entry->flags, __entry->mode)
++);
++
++TRACE_EVENT(open_exec,
++
++ TP_PROTO(const char *filename),
++
++ TP_ARGS(filename),
++
++ TP_STRUCT__entry(
++ __string( filename, filename )
++ ),
++
++ TP_fast_assign(
++ __assign_str(filename, filename);
++ ),
++
++ TP_printk("\"%s\"",
++ __get_str(filename))
++);
++
++#endif /* _TRACE_FS_H */
++
++/* This part must be outside protection */
++#include <trace/define_trace.h>
+diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
+index 1c09820..7f5ec79 100644
+--- a/include/trace/events/irq.h
++++ b/include/trace/events/irq.h
+@@ -36,7 +36,7 @@ struct softirq_action;
+ */
+ TRACE_EVENT(irq_handler_entry,
+
+- TP_PROTO(int irq, struct irqaction *action),
++ TP_PROTO(int irq, const struct irqaction *action),
+
+ TP_ARGS(irq, action),
+
+@@ -66,7 +66,7 @@ TRACE_EVENT(irq_handler_entry,
+ */
+ TRACE_EVENT(irq_handler_exit,
+
+- TP_PROTO(int irq, struct irqaction *action, int ret),
++ TP_PROTO(int irq, const struct irqaction *action, int ret),
+
+ TP_ARGS(irq, action, ret),
+
+diff --git a/include/video/udlfb.h b/include/video/udlfb.h
+index f9466fa..f4e2b81 100644
+--- a/include/video/udlfb.h
++++ b/include/video/udlfb.h
+@@ -53,10 +53,10 @@ struct dlfb_data {
+ u32 pseudo_palette[256];
+ int blank_mode; /*one of FB_BLANK_ */
+ /* blit-only rendering path metrics, exposed through sysfs */
+- atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
+- atomic_t bytes_identical; /* saved effort with backbuffer comparison */
+- atomic_t bytes_sent; /* to usb, after compression including overhead */
+- atomic_t cpu_kcycles_used; /* transpired during pixel processing */
++ atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */
++ atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */
++ atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */
++ atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */
+ };
+
+ #define NR_USB_REQUEST_I2C_SUB_IO 0x02
+diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h
+index 0993a22..32ba2fe 100644
+--- a/include/video/uvesafb.h
++++ b/include/video/uvesafb.h
+@@ -177,6 +177,7 @@ struct uvesafb_par {
+ u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */
+ u8 pmi_setpal; /* PMI for palette changes */
+ u16 *pmi_base; /* protected mode interface location */
++ u8 *pmi_code; /* protected mode code location */
+ void *pmi_start;
+ void *pmi_pal;
+ u8 *vbe_state_orig; /*
+diff --git a/init/Kconfig b/init/Kconfig
+index af6c7f8..5c188f8 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -850,6 +850,7 @@ endif # CGROUPS
+
+ config CHECKPOINT_RESTORE
+ bool "Checkpoint/restore support" if EXPERT
++ depends on !GRKERNSEC
+ default n
+ help
+ Enables additional kernel features in a sake of checkpoint/restore.
+@@ -1029,6 +1030,7 @@ config UIDGID_CONVERTED
+ # Security modules
+ depends on SECURITY_TOMOYO = n
+ depends on SECURITY_APPARMOR = n
++ depends on GRKERNSEC = n
+
+ config UIDGID_STRICT_TYPE_CHECKS
+ bool "Require conversions between uid/gids and their internal representation"
+@@ -1416,7 +1418,7 @@ config SLUB_DEBUG
+
+ config COMPAT_BRK
+ bool "Disable heap randomization"
+- default y
++ default n
+ help
+ Randomizing heap placement makes heap exploits harder, but it
+ also breaks ancient binaries (including anything libc5 based).
+@@ -1599,7 +1601,7 @@ config INIT_ALL_POSSIBLE
+ config STOP_MACHINE
+ bool
+ default y
+- depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU
++ depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU || GRKERNSEC
+ help
+ Need stop_machine() primitive.
+
+diff --git a/init/Makefile b/init/Makefile
+index 7bc47ee..6da2dc7 100644
+--- a/init/Makefile
++++ b/init/Makefile
+@@ -2,6 +2,9 @@
+ # Makefile for the linux kernel.
+ #
+
++ccflags-y := $(GCC_PLUGINS_CFLAGS)
++asflags-y := $(GCC_PLUGINS_AFLAGS)
++
+ obj-y := main.o version.o mounts.o
+ ifneq ($(CONFIG_BLK_DEV_INITRD),y)
+ obj-y += noinitramfs.o
+diff --git a/init/do_mounts.c b/init/do_mounts.c
+index d3f0aee..c9322f5 100644
+--- a/init/do_mounts.c
++++ b/init/do_mounts.c
+@@ -336,11 +336,11 @@ static void __init get_fs_names(char *page)
+ static int __init do_mount_root(char *name, char *fs, int flags, void *data)
+ {
+ struct super_block *s;
+- int err = sys_mount(name, "/root", fs, flags, data);
++ int err = sys_mount((char __force_user *)name, (char __force_user *)"/root", (char __force_user *)fs, flags, (void __force_user *)data);
+ if (err)
+ return err;
+
+- sys_chdir("/root");
++ sys_chdir((const char __force_user *)"/root");
+ s = current->fs->pwd.dentry->d_sb;
+ ROOT_DEV = s->s_dev;
+ printk(KERN_INFO
+@@ -460,18 +460,18 @@ void __init change_floppy(char *fmt, ...)
+ va_start(args, fmt);
+ vsprintf(buf, fmt, args);
+ va_end(args);
+- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
++ fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0);
+ if (fd >= 0) {
+ sys_ioctl(fd, FDEJECT, 0);
+ sys_close(fd);
+ }
+ printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf);
+- fd = sys_open("/dev/console", O_RDWR, 0);
++ fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0);
+ if (fd >= 0) {
+ sys_ioctl(fd, TCGETS, (long)&termios);
+ termios.c_lflag &= ~ICANON;
+ sys_ioctl(fd, TCSETSF, (long)&termios);
+- sys_read(fd, &c, 1);
++ sys_read(fd, (char __user *)&c, 1);
+ termios.c_lflag |= ICANON;
+ sys_ioctl(fd, TCSETSF, (long)&termios);
+ sys_close(fd);
+@@ -565,6 +565,6 @@ void __init prepare_namespace(void)
+ mount_root();
+ out:
+ devtmpfs_mount("dev");
+- sys_mount(".", "/", NULL, MS_MOVE, NULL);
+- sys_chroot(".");
++ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
++ sys_chroot((const char __force_user *)".");
+ }
+diff --git a/init/do_mounts.h b/init/do_mounts.h
+index f5b978a..69dbfe8 100644
+--- a/init/do_mounts.h
++++ b/init/do_mounts.h
+@@ -15,15 +15,15 @@ extern int root_mountflags;
+
+ static inline int create_dev(char *name, dev_t dev)
+ {
+- sys_unlink(name);
+- return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
++ sys_unlink((char __force_user *)name);
++ return sys_mknod((char __force_user *)name, S_IFBLK|0600, new_encode_dev(dev));
+ }
+
+ #if BITS_PER_LONG == 32
+ static inline u32 bstat(char *name)
+ {
+ struct stat64 stat;
+- if (sys_stat64(name, &stat) != 0)
++ if (sys_stat64((char __force_user *)name, (struct stat64 __force_user *)&stat) != 0)
+ return 0;
+ if (!S_ISBLK(stat.st_mode))
+ return 0;
+@@ -35,7 +35,7 @@ static inline u32 bstat(char *name)
+ static inline u32 bstat(char *name)
+ {
+ struct stat stat;
+- if (sys_newstat(name, &stat) != 0)
++ if (sys_newstat((const char __force_user *)name, (struct stat __force_user *)&stat) != 0)
+ return 0;
+ if (!S_ISBLK(stat.st_mode))
+ return 0;
+diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
+index 135959a2..28a3f43 100644
+--- a/init/do_mounts_initrd.c
++++ b/init/do_mounts_initrd.c
+@@ -53,13 +53,13 @@ static void __init handle_initrd(void)
+ create_dev("/dev/root.old", Root_RAM0);
+ /* mount initrd on rootfs' /root */
+ mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
+- sys_mkdir("/old", 0700);
+- root_fd = sys_open("/", 0, 0);
+- old_fd = sys_open("/old", 0, 0);
++ sys_mkdir((const char __force_user *)"/old", 0700);
++ root_fd = sys_open((const char __force_user *)"/", 0, 0);
++ old_fd = sys_open((const char __force_user *)"/old", 0, 0);
+ /* move initrd over / and chdir/chroot in initrd root */
+- sys_chdir("/root");
+- sys_mount(".", "/", NULL, MS_MOVE, NULL);
+- sys_chroot(".");
++ sys_chdir((const char __force_user *)"/root");
++ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
++ sys_chroot((const char __force_user *)".");
+
+ /*
+ * In case that a resume from disk is carried out by linuxrc or one of
+@@ -76,15 +76,15 @@ static void __init handle_initrd(void)
+
+ /* move initrd to rootfs' /old */
+ sys_fchdir(old_fd);
+- sys_mount("/", ".", NULL, MS_MOVE, NULL);
++ sys_mount((char __force_user *)"/", (char __force_user *)".", NULL, MS_MOVE, NULL);
+ /* switch root and cwd back to / of rootfs */
+ sys_fchdir(root_fd);
+- sys_chroot(".");
++ sys_chroot((const char __force_user *)".");
+ sys_close(old_fd);
+ sys_close(root_fd);
+
+ if (new_decode_dev(real_root_dev) == Root_RAM0) {
+- sys_chdir("/old");
++ sys_chdir((const char __force_user *)"/old");
+ return;
+ }
+
+@@ -92,17 +92,17 @@ static void __init handle_initrd(void)
+ mount_root();
+
+ printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
+- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
++ error = sys_mount((char __force_user *)"/old", (char __force_user *)"/root/initrd", NULL, MS_MOVE, NULL);
+ if (!error)
+ printk("okay\n");
+ else {
+- int fd = sys_open("/dev/root.old", O_RDWR, 0);
++ int fd = sys_open((const char __force_user *)"/dev/root.old", O_RDWR, 0);
+ if (error == -ENOENT)
+ printk("/initrd does not exist. Ignored.\n");
+ else
+ printk("failed\n");
+ printk(KERN_NOTICE "Unmounting old root\n");
+- sys_umount("/old", MNT_DETACH);
++ sys_umount((char __force_user *)"/old", MNT_DETACH);
+ printk(KERN_NOTICE "Trying to free ramdisk memory ... ");
+ if (fd < 0) {
+ error = fd;
+@@ -125,11 +125,11 @@ int __init initrd_load(void)
+ * mounted in the normal path.
+ */
+ if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) {
+- sys_unlink("/initrd.image");
++ sys_unlink((const char __force_user *)"/initrd.image");
+ handle_initrd();
+ return 1;
+ }
+ }
+- sys_unlink("/initrd.image");
++ sys_unlink((const char __force_user *)"/initrd.image");
+ return 0;
+ }
+diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
+index 8cb6db5..d729f50 100644
+--- a/init/do_mounts_md.c
++++ b/init/do_mounts_md.c
+@@ -180,7 +180,7 @@ static void __init md_setup_drive(void)
+ partitioned ? "_d" : "", minor,
+ md_setup_args[ent].device_names);
+
+- fd = sys_open(name, 0, 0);
++ fd = sys_open((char __force_user *)name, 0, 0);
+ if (fd < 0) {
+ printk(KERN_ERR "md: open failed - cannot start "
+ "array %s\n", name);
+@@ -243,7 +243,7 @@ static void __init md_setup_drive(void)
+ * array without it
+ */
+ sys_close(fd);
+- fd = sys_open(name, 0, 0);
++ fd = sys_open((char __force_user *)name, 0, 0);
+ sys_ioctl(fd, BLKRRPART, 0);
+ }
+ sys_close(fd);
+@@ -293,7 +293,7 @@ static void __init autodetect_raid(void)
+
+ wait_for_device_probe();
+
+- fd = sys_open("/dev/md0", 0, 0);
++ fd = sys_open((const char __force_user *) "/dev/md0", 0, 0);
+ if (fd >= 0) {
+ sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
+ sys_close(fd);
+diff --git a/init/init_task.c b/init/init_task.c
+index 8b2f399..f0797c9 100644
+--- a/init/init_task.c
++++ b/init/init_task.c
+@@ -20,5 +20,9 @@ EXPORT_SYMBOL(init_task);
+ * Initial thread structure. Alignment of this is handled by a special
+ * linker map entry.
+ */
++#ifdef CONFIG_X86
++union thread_union init_thread_union __init_task_data;
++#else
+ union thread_union init_thread_union __init_task_data =
+ { INIT_THREAD_INFO(init_task) };
++#endif
+diff --git a/init/initramfs.c b/init/initramfs.c
+index 84c6bf1..8899338 100644
+--- a/init/initramfs.c
++++ b/init/initramfs.c
+@@ -84,7 +84,7 @@ static void __init free_hash(void)
+ }
+ }
+
+-static long __init do_utime(char *filename, time_t mtime)
++static long __init do_utime(char __force_user *filename, time_t mtime)
+ {
+ struct timespec t[2];
+
+@@ -119,7 +119,7 @@ static void __init dir_utime(void)
+ struct dir_entry *de, *tmp;
+ list_for_each_entry_safe(de, tmp, &dir_list, list) {
+ list_del(&de->list);
+- do_utime(de->name, de->mtime);
++ do_utime((char __force_user *)de->name, de->mtime);
+ kfree(de->name);
+ kfree(de);
+ }
+@@ -281,7 +281,7 @@ static int __init maybe_link(void)
+ if (nlink >= 2) {
+ char *old = find_link(major, minor, ino, mode, collected);
+ if (old)
+- return (sys_link(old, collected) < 0) ? -1 : 1;
++ return (sys_link((char __force_user *)old, (char __force_user *)collected) < 0) ? -1 : 1;
+ }
+ return 0;
+ }
+@@ -290,11 +290,11 @@ static void __init clean_path(char *path, umode_t mode)
+ {
+ struct stat st;
+
+- if (!sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) {
++ if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode^mode) & S_IFMT) {
+ if (S_ISDIR(st.st_mode))
+- sys_rmdir(path);
++ sys_rmdir((char __force_user *)path);
+ else
+- sys_unlink(path);
++ sys_unlink((char __force_user *)path);
+ }
+ }
+
+@@ -315,7 +315,7 @@ static int __init do_name(void)
+ int openflags = O_WRONLY|O_CREAT;
+ if (ml != 1)
+ openflags |= O_TRUNC;
+- wfd = sys_open(collected, openflags, mode);
++ wfd = sys_open((char __force_user *)collected, openflags, mode);
+
+ if (wfd >= 0) {
+ sys_fchown(wfd, uid, gid);
+@@ -327,17 +327,17 @@ static int __init do_name(void)
+ }
+ }
+ } else if (S_ISDIR(mode)) {
+- sys_mkdir(collected, mode);
+- sys_chown(collected, uid, gid);
+- sys_chmod(collected, mode);
++ sys_mkdir((char __force_user *)collected, mode);
++ sys_chown((char __force_user *)collected, uid, gid);
++ sys_chmod((char __force_user *)collected, mode);
+ dir_add(collected, mtime);
+ } else if (S_ISBLK(mode) || S_ISCHR(mode) ||
+ S_ISFIFO(mode) || S_ISSOCK(mode)) {
+ if (maybe_link() == 0) {
+- sys_mknod(collected, mode, rdev);
+- sys_chown(collected, uid, gid);
+- sys_chmod(collected, mode);
+- do_utime(collected, mtime);
++ sys_mknod((char __force_user *)collected, mode, rdev);
++ sys_chown((char __force_user *)collected, uid, gid);
++ sys_chmod((char __force_user *)collected, mode);
++ do_utime((char __force_user *)collected, mtime);
+ }
+ }
+ return 0;
+@@ -346,15 +346,15 @@ static int __init do_name(void)
+ static int __init do_copy(void)
+ {
+ if (count >= body_len) {
+- sys_write(wfd, victim, body_len);
++ sys_write(wfd, (char __force_user *)victim, body_len);
+ sys_close(wfd);
+- do_utime(vcollected, mtime);
++ do_utime((char __force_user *)vcollected, mtime);
+ kfree(vcollected);
+ eat(body_len);
+ state = SkipIt;
+ return 0;
+ } else {
+- sys_write(wfd, victim, count);
++ sys_write(wfd, (char __force_user *)victim, count);
+ body_len -= count;
+ eat(count);
+ return 1;
+@@ -365,9 +365,9 @@ static int __init do_symlink(void)
+ {
+ collected[N_ALIGN(name_len) + body_len] = '\0';
+ clean_path(collected, 0);
+- sys_symlink(collected + N_ALIGN(name_len), collected);
+- sys_lchown(collected, uid, gid);
+- do_utime(collected, mtime);
++ sys_symlink((char __force_user *)collected + N_ALIGN(name_len), (char __force_user *)collected);
++ sys_lchown((char __force_user *)collected, uid, gid);
++ do_utime((char __force_user *)collected, mtime);
+ state = SkipIt;
+ next_state = Reset;
+ return 0;
+diff --git a/init/main.c b/init/main.c
+index d61ec54..bd3144f 100644
+--- a/init/main.c
++++ b/init/main.c
+@@ -96,6 +96,8 @@ static inline void mark_rodata_ro(void) { }
+ extern void tc_init(void);
+ #endif
+
++extern void grsecurity_init(void);
++
+ /*
+ * Debug helper: via this flag we know that we are in 'early bootup code'
+ * where only the boot processor is running with IRQ disabled. This means
+@@ -149,6 +151,61 @@ static int __init set_reset_devices(char *str)
+
+ __setup("reset_devices", set_reset_devices);
+
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++int grsec_proc_gid = CONFIG_GRKERNSEC_PROC_GID;
++static int __init setup_grsec_proc_gid(char *str)
++{
++ grsec_proc_gid = (int)simple_strtol(str, NULL, 0);
++ return 1;
++}
++__setup("grsec_proc_gid=", setup_grsec_proc_gid);
++#endif
++
++#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
++extern char pax_enter_kernel_user[];
++extern char pax_exit_kernel_user[];
++extern pgdval_t clone_pgd_mask;
++#endif
++
++#if defined(CONFIG_X86) && defined(CONFIG_PAX_MEMORY_UDEREF)
++static int __init setup_pax_nouderef(char *str)
++{
++#ifdef CONFIG_X86_32
++ unsigned int cpu;
++ struct desc_struct *gdt;
++
++ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
++ gdt = get_cpu_gdt_table(cpu);
++ gdt[GDT_ENTRY_KERNEL_DS].type = 3;
++ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
++ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf;
++ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf;
++ }
++ loadsegment(ds, __KERNEL_DS);
++ loadsegment(es, __KERNEL_DS);
++ loadsegment(ss, __KERNEL_DS);
++#else
++ memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1);
++ memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1);
++ clone_pgd_mask = ~(pgdval_t)0UL;
++#endif
++
++ return 0;
++}
++early_param("pax_nouderef", setup_pax_nouderef);
++#endif
++
++#ifdef CONFIG_PAX_SOFTMODE
++int pax_softmode;
++
++static int __init setup_pax_softmode(char *str)
++{
++ get_option(&str, &pax_softmode);
++ return 1;
++}
++__setup("pax_softmode=", setup_pax_softmode);
++#endif
++
+ static const char * argv_init[MAX_INIT_ARGS+2] = { "init", NULL, };
+ const char * envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
+ static const char *panic_later, *panic_param;
+@@ -678,6 +735,7 @@ int __init_or_module do_one_initcall(initcall_t fn)
+ {
+ int count = preempt_count();
+ int ret;
++ const char *msg1 = "", *msg2 = "";
+
+ if (initcall_debug)
+ ret = do_one_initcall_debug(fn);
+@@ -690,15 +748,15 @@ int __init_or_module do_one_initcall(initcall_t fn)
+ sprintf(msgbuf, "error code %d ", ret);
+
+ if (preempt_count() != count) {
+- strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
++ msg1 = " preemption imbalance";
+ preempt_count() = count;
+ }
+ if (irqs_disabled()) {
+- strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
++ msg2 = " disabled interrupts";
+ local_irq_enable();
+ }
+- if (msgbuf[0]) {
+- printk("initcall %pF returned with %s\n", fn, msgbuf);
++ if (msgbuf[0] || *msg1 || *msg2) {
++ printk("initcall %pF returned with %s%s%s\n", fn, msgbuf, msg1, msg2);
+ }
+
+ return ret;
+@@ -752,8 +810,14 @@ static void __init do_initcall_level(int level)
+ level, level,
+ &repair_env_string);
+
+- for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
++ for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) {
+ do_one_initcall(*fn);
++
++#ifdef CONFIG_PAX_LATENT_ENTROPY
++ transfer_latent_entropy();
++#endif
++
++ }
+ }
+
+ static void __init do_initcalls(void)
+@@ -787,8 +851,14 @@ static void __init do_pre_smp_initcalls(void)
+ {
+ initcall_t *fn;
+
+- for (fn = __initcall_start; fn < __initcall0_start; fn++)
++ for (fn = __initcall_start; fn < __initcall0_start; fn++) {
+ do_one_initcall(*fn);
++
++#ifdef CONFIG_PAX_LATENT_ENTROPY
++ transfer_latent_entropy();
++#endif
++
++ }
+ }
+
+ static void run_init_process(const char *init_filename)
+@@ -870,7 +940,7 @@ static int __init kernel_init(void * unused)
+ do_basic_setup();
+
+ /* Open the /dev/console on the rootfs, this should never fail */
+- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
++ if (sys_open((const char __force_user *) "/dev/console", O_RDWR, 0) < 0)
+ printk(KERN_WARNING "Warning: unable to open an initial console.\n");
+
+ (void) sys_dup(0);
+@@ -883,11 +953,13 @@ static int __init kernel_init(void * unused)
+ if (!ramdisk_execute_command)
+ ramdisk_execute_command = "/init";
+
+- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
++ if (sys_access((const char __force_user *) ramdisk_execute_command, 0) != 0) {
+ ramdisk_execute_command = NULL;
+ prepare_namespace();
+ }
+
++ grsecurity_init();
++
+ /*
+ * Ok, we have completed the initial bootup, and
+ * we're essentially up and running. Get rid of the
+diff --git a/ipc/mqueue.c b/ipc/mqueue.c
+index 9a08acc..e65ebe7 100644
+--- a/ipc/mqueue.c
++++ b/ipc/mqueue.c
+@@ -279,6 +279,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
+ mq_bytes = mq_treesize + (info->attr.mq_maxmsg *
+ info->attr.mq_msgsize);
+
++ gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1);
+ spin_lock(&mq_lock);
+ if (u->mq_bytes + mq_bytes < u->mq_bytes ||
+ u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
+diff --git a/ipc/msg.c b/ipc/msg.c
+index 7385de2..a8180e08 100644
+--- a/ipc/msg.c
++++ b/ipc/msg.c
+@@ -309,18 +309,19 @@ static inline int msg_security(struct kern_ipc_perm *ipcp, int msgflg)
+ return security_msg_queue_associate(msq, msgflg);
+ }
+
++static struct ipc_ops msg_ops = {
++ .getnew = newque,
++ .associate = msg_security,
++ .more_checks = NULL
++};
++
+ SYSCALL_DEFINE2(msgget, key_t, key, int, msgflg)
+ {
+ struct ipc_namespace *ns;
+- struct ipc_ops msg_ops;
+ struct ipc_params msg_params;
+
+ ns = current->nsproxy->ipc_ns;
+
+- msg_ops.getnew = newque;
+- msg_ops.associate = msg_security;
+- msg_ops.more_checks = NULL;
+-
+ msg_params.key = key;
+ msg_params.flg = msgflg;
+
+diff --git a/ipc/sem.c b/ipc/sem.c
+index 5215a81..cfc0cac 100644
+--- a/ipc/sem.c
++++ b/ipc/sem.c
+@@ -364,10 +364,15 @@ static inline int sem_more_checks(struct kern_ipc_perm *ipcp,
+ return 0;
+ }
+
++static struct ipc_ops sem_ops = {
++ .getnew = newary,
++ .associate = sem_security,
++ .more_checks = sem_more_checks
++};
++
+ SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg)
+ {
+ struct ipc_namespace *ns;
+- struct ipc_ops sem_ops;
+ struct ipc_params sem_params;
+
+ ns = current->nsproxy->ipc_ns;
+@@ -375,10 +380,6 @@ SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg)
+ if (nsems < 0 || nsems > ns->sc_semmsl)
+ return -EINVAL;
+
+- sem_ops.getnew = newary;
+- sem_ops.associate = sem_security;
+- sem_ops.more_checks = sem_more_checks;
+-
+ sem_params.key = key;
+ sem_params.flg = semflg;
+ sem_params.u.nsems = nsems;
+diff --git a/ipc/shm.c b/ipc/shm.c
+index 00faa05..7040960 100644
+--- a/ipc/shm.c
++++ b/ipc/shm.c
+@@ -69,6 +69,14 @@ static void shm_destroy (struct ipc_namespace *ns, struct shmid_kernel *shp);
+ static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
+ #endif
+
++#ifdef CONFIG_GRKERNSEC
++extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
++ const time_t shm_createtime, const uid_t cuid,
++ const int shmid);
++extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
++ const time_t shm_createtime);
++#endif
++
+ void shm_init_ns(struct ipc_namespace *ns)
+ {
+ ns->shm_ctlmax = SHMMAX;
+@@ -520,6 +528,14 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
+ shp->shm_lprid = 0;
+ shp->shm_atim = shp->shm_dtim = 0;
+ shp->shm_ctim = get_seconds();
++#ifdef CONFIG_GRKERNSEC
++ {
++ struct timespec timeval;
++ do_posix_clock_monotonic_gettime(&timeval);
++
++ shp->shm_createtime = timeval.tv_sec;
++ }
++#endif
+ shp->shm_segsz = size;
+ shp->shm_nattch = 0;
+ shp->shm_file = file;
+@@ -571,18 +587,19 @@ static inline int shm_more_checks(struct kern_ipc_perm *ipcp,
+ return 0;
+ }
+
++static struct ipc_ops shm_ops = {
++ .getnew = newseg,
++ .associate = shm_security,
++ .more_checks = shm_more_checks
++};
++
+ SYSCALL_DEFINE3(shmget, key_t, key, size_t, size, int, shmflg)
+ {
+ struct ipc_namespace *ns;
+- struct ipc_ops shm_ops;
+ struct ipc_params shm_params;
+
+ ns = current->nsproxy->ipc_ns;
+
+- shm_ops.getnew = newseg;
+- shm_ops.associate = shm_security;
+- shm_ops.more_checks = shm_more_checks;
+-
+ shm_params.key = key;
+ shm_params.flg = shmflg;
+ shm_params.u.size = size;
+@@ -1001,6 +1018,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
+ f_mode = FMODE_READ | FMODE_WRITE;
+ }
+ if (shmflg & SHM_EXEC) {
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (current->mm->pax_flags & MF_PAX_MPROTECT)
++ goto out;
++#endif
++
+ prot |= PROT_EXEC;
+ acc_mode |= S_IXUGO;
+ }
+@@ -1024,9 +1047,21 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
+ if (err)
+ goto out_unlock;
+
++#ifdef CONFIG_GRKERNSEC
++ if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime,
++ shp->shm_perm.cuid, shmid) ||
++ !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) {
++ err = -EACCES;
++ goto out_unlock;
++ }
++#endif
++
+ path = shp->shm_file->f_path;
+ path_get(&path);
+ shp->shm_nattch++;
++#ifdef CONFIG_GRKERNSEC
++ shp->shm_lapid = current->pid;
++#endif
+ size = i_size_read(path.dentry->d_inode);
+ shm_unlock(shp);
+
+diff --git a/kernel/acct.c b/kernel/acct.c
+index 02e6167..54824f7 100644
+--- a/kernel/acct.c
++++ b/kernel/acct.c
+@@ -550,7 +550,7 @@ static void do_acct_process(struct bsd_acct_struct *acct,
+ */
+ flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+ current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
+- file->f_op->write(file, (char *)&ac,
++ file->f_op->write(file, (char __force_user *)&ac,
+ sizeof(acct_t), &file->f_pos);
+ current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim;
+ set_fs(fs);
+diff --git a/kernel/audit.c b/kernel/audit.c
+index a8c84be..8bd034c 100644
+--- a/kernel/audit.c
++++ b/kernel/audit.c
+@@ -115,7 +115,7 @@ u32 audit_sig_sid = 0;
+ 3) suppressed due to audit_rate_limit
+ 4) suppressed due to audit_backlog_limit
+ */
+-static atomic_t audit_lost = ATOMIC_INIT(0);
++static atomic_unchecked_t audit_lost = ATOMIC_INIT(0);
+
+ /* The netlink socket. */
+ static struct sock *audit_sock;
+@@ -237,7 +237,7 @@ void audit_log_lost(const char *message)
+ unsigned long now;
+ int print;
+
+- atomic_inc(&audit_lost);
++ atomic_inc_unchecked(&audit_lost);
+
+ print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit);
+
+@@ -256,7 +256,7 @@ void audit_log_lost(const char *message)
+ printk(KERN_WARNING
+ "audit: audit_lost=%d audit_rate_limit=%d "
+ "audit_backlog_limit=%d\n",
+- atomic_read(&audit_lost),
++ atomic_read_unchecked(&audit_lost),
+ audit_rate_limit,
+ audit_backlog_limit);
+ audit_panic(message);
+@@ -690,7 +690,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ status_set.pid = audit_pid;
+ status_set.rate_limit = audit_rate_limit;
+ status_set.backlog_limit = audit_backlog_limit;
+- status_set.lost = atomic_read(&audit_lost);
++ status_set.lost = atomic_read_unchecked(&audit_lost);
+ status_set.backlog = skb_queue_len(&audit_skb_queue);
+ audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_GET, 0, 0,
+ &status_set, sizeof(status_set));
+diff --git a/kernel/auditsc.c b/kernel/auditsc.c
+index 4b96415..d8c16ee 100644
+--- a/kernel/auditsc.c
++++ b/kernel/auditsc.c
+@@ -2289,7 +2289,7 @@ int auditsc_get_stamp(struct audit_context *ctx,
+ }
+
+ /* global counter which is incremented every time something logs in */
+-static atomic_t session_id = ATOMIC_INIT(0);
++static atomic_unchecked_t session_id = ATOMIC_INIT(0);
+
+ /**
+ * audit_set_loginuid - set current task's audit_context loginuid
+@@ -2313,7 +2313,7 @@ int audit_set_loginuid(uid_t loginuid)
+ return -EPERM;
+ #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+
+- sessionid = atomic_inc_return(&session_id);
++ sessionid = atomic_inc_return_unchecked(&session_id);
+ if (context && context->in_syscall) {
+ struct audit_buffer *ab;
+
+diff --git a/kernel/capability.c b/kernel/capability.c
+index 493d972..ea17248 100644
+--- a/kernel/capability.c
++++ b/kernel/capability.c
+@@ -202,6 +202,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr)
+ * before modification is attempted and the application
+ * fails.
+ */
++ if (tocopy > ARRAY_SIZE(kdata))
++ return -EFAULT;
++
+ if (copy_to_user(dataptr, kdata, tocopy
+ * sizeof(struct __user_cap_data_struct))) {
+ return -EFAULT;
+@@ -303,10 +306,11 @@ bool has_ns_capability(struct task_struct *t,
+ int ret;
+
+ rcu_read_lock();
+- ret = security_capable(__task_cred(t), ns, cap);
++ ret = security_capable(__task_cred(t), ns, cap) == 0 &&
++ gr_task_is_capable(t, __task_cred(t), cap);
+ rcu_read_unlock();
+
+- return (ret == 0);
++ return ret;
+ }
+
+ /**
+@@ -343,10 +347,10 @@ bool has_ns_capability_noaudit(struct task_struct *t,
+ int ret;
+
+ rcu_read_lock();
+- ret = security_capable_noaudit(__task_cred(t), ns, cap);
++ ret = security_capable_noaudit(__task_cred(t), ns, cap) == 0 && gr_task_is_capable_nolog(t, cap);
+ rcu_read_unlock();
+
+- return (ret == 0);
++ return ret;
+ }
+
+ /**
+@@ -384,7 +388,7 @@ bool ns_capable(struct user_namespace *ns, int cap)
+ BUG();
+ }
+
+- if (security_capable(current_cred(), ns, cap) == 0) {
++ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable(cap)) {
+ current->flags |= PF_SUPERPRIV;
+ return true;
+ }
+@@ -392,6 +396,21 @@ bool ns_capable(struct user_namespace *ns, int cap)
+ }
+ EXPORT_SYMBOL(ns_capable);
+
++bool ns_capable_nolog(struct user_namespace *ns, int cap)
++{
++ if (unlikely(!cap_valid(cap))) {
++ printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap);
++ BUG();
++ }
++
++ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable_nolog(cap)) {
++ current->flags |= PF_SUPERPRIV;
++ return true;
++ }
++ return false;
++}
++EXPORT_SYMBOL(ns_capable_nolog);
++
+ /**
+ * capable - Determine if the current task has a superior capability in effect
+ * @cap: The capability to be tested for
+@@ -408,6 +427,12 @@ bool capable(int cap)
+ }
+ EXPORT_SYMBOL(capable);
+
++bool capable_nolog(int cap)
++{
++ return ns_capable_nolog(&init_user_ns, cap);
++}
++EXPORT_SYMBOL(capable_nolog);
++
+ /**
+ * nsown_capable - Check superior capability to one's own user_ns
+ * @cap: The capability in question
+@@ -440,3 +465,10 @@ bool inode_capable(const struct inode *inode, int cap)
+
+ return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid);
+ }
++
++bool inode_capable_nolog(const struct inode *inode, int cap)
++{
++ struct user_namespace *ns = current_user_ns();
++
++ return ns_capable_nolog(ns, cap) && kuid_has_mapping(ns, inode->i_uid);
++}
+diff --git a/kernel/cgroup.c b/kernel/cgroup.c
+index ff2bce5..a41e8f9 100644
+--- a/kernel/cgroup.c
++++ b/kernel/cgroup.c
+@@ -5390,7 +5390,7 @@ static int cgroup_css_links_read(struct cgroup *cont,
+ struct css_set *cg = link->cg;
+ struct task_struct *task;
+ int count = 0;
+- seq_printf(seq, "css_set %p\n", cg);
++ seq_printf(seq, "css_set %pK\n", cg);
+ list_for_each_entry(task, &cg->tasks, cg_list) {
+ if (count++ > MAX_TASKS_SHOWN_PER_CSS) {
+ seq_puts(seq, " ...\n");
+diff --git a/kernel/compat.c b/kernel/compat.c
+index c28a306..b4d0cf3 100644
+--- a/kernel/compat.c
++++ b/kernel/compat.c
+@@ -13,6 +13,7 @@
+
+ #include <linux/linkage.h>
+ #include <linux/compat.h>
++#include <linux/module.h>
+ #include <linux/errno.h>
+ #include <linux/time.h>
+ #include <linux/signal.h>
+@@ -220,7 +221,7 @@ static long compat_nanosleep_restart(struct restart_block *restart)
+ mm_segment_t oldfs;
+ long ret;
+
+- restart->nanosleep.rmtp = (struct timespec __user *) &rmt;
++ restart->nanosleep.rmtp = (struct timespec __force_user *) &rmt;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = hrtimer_nanosleep_restart(restart);
+@@ -252,7 +253,7 @@ asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = hrtimer_nanosleep(&tu,
+- rmtp ? (struct timespec __user *)&rmt : NULL,
++ rmtp ? (struct timespec __force_user *)&rmt : NULL,
+ HRTIMER_MODE_REL, CLOCK_MONOTONIC);
+ set_fs(oldfs);
+
+@@ -361,7 +362,7 @@ asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set)
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+- ret = sys_sigpending((old_sigset_t __user *) &s);
++ ret = sys_sigpending((old_sigset_t __force_user *) &s);
+ set_fs(old_fs);
+ if (ret == 0)
+ ret = put_user(s, set);
+@@ -451,7 +452,7 @@ asmlinkage long compat_sys_old_getrlimit(unsigned int resource,
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+- ret = sys_old_getrlimit(resource, &r);
++ ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r);
+ set_fs(old_fs);
+
+ if (!ret) {
+@@ -523,7 +524,7 @@ asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru)
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+- ret = sys_getrusage(who, (struct rusage __user *) &r);
++ ret = sys_getrusage(who, (struct rusage __force_user *) &r);
+ set_fs(old_fs);
+
+ if (ret)
+@@ -550,8 +551,8 @@ compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
+ set_fs (KERNEL_DS);
+ ret = sys_wait4(pid,
+ (stat_addr ?
+- (unsigned int __user *) &status : NULL),
+- options, (struct rusage __user *) &r);
++ (unsigned int __force_user *) &status : NULL),
++ options, (struct rusage __force_user *) &r);
+ set_fs (old_fs);
+
+ if (ret > 0) {
+@@ -576,8 +577,8 @@ asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
+ memset(&info, 0, sizeof(info));
+
+ set_fs(KERNEL_DS);
+- ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options,
+- uru ? (struct rusage __user *)&ru : NULL);
++ ret = sys_waitid(which, pid, (siginfo_t __force_user *)&info, options,
++ uru ? (struct rusage __force_user *)&ru : NULL);
+ set_fs(old_fs);
+
+ if ((ret < 0) || (info.si_signo == 0))
+@@ -707,8 +708,8 @@ long compat_sys_timer_settime(timer_t timer_id, int flags,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_timer_settime(timer_id, flags,
+- (struct itimerspec __user *) &newts,
+- (struct itimerspec __user *) &oldts);
++ (struct itimerspec __force_user *) &newts,
++ (struct itimerspec __force_user *) &oldts);
+ set_fs(oldfs);
+ if (!err && old && put_compat_itimerspec(old, &oldts))
+ return -EFAULT;
+@@ -725,7 +726,7 @@ long compat_sys_timer_gettime(timer_t timer_id,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_timer_gettime(timer_id,
+- (struct itimerspec __user *) &ts);
++ (struct itimerspec __force_user *) &ts);
+ set_fs(oldfs);
+ if (!err && put_compat_itimerspec(setting, &ts))
+ return -EFAULT;
+@@ -744,7 +745,7 @@ long compat_sys_clock_settime(clockid_t which_clock,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_clock_settime(which_clock,
+- (struct timespec __user *) &ts);
++ (struct timespec __force_user *) &ts);
+ set_fs(oldfs);
+ return err;
+ }
+@@ -759,7 +760,7 @@ long compat_sys_clock_gettime(clockid_t which_clock,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_clock_gettime(which_clock,
+- (struct timespec __user *) &ts);
++ (struct timespec __force_user *) &ts);
+ set_fs(oldfs);
+ if (!err && put_compat_timespec(&ts, tp))
+ return -EFAULT;
+@@ -779,7 +780,7 @@ long compat_sys_clock_adjtime(clockid_t which_clock,
+
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+- ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc);
++ ret = sys_clock_adjtime(which_clock, (struct timex __force_user *) &txc);
+ set_fs(oldfs);
+
+ err = compat_put_timex(utp, &txc);
+@@ -799,7 +800,7 @@ long compat_sys_clock_getres(clockid_t which_clock,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_clock_getres(which_clock,
+- (struct timespec __user *) &ts);
++ (struct timespec __force_user *) &ts);
+ set_fs(oldfs);
+ if (!err && tp && put_compat_timespec(&ts, tp))
+ return -EFAULT;
+@@ -811,9 +812,9 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart)
+ long err;
+ mm_segment_t oldfs;
+ struct timespec tu;
+- struct compat_timespec *rmtp = restart->nanosleep.compat_rmtp;
++ struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp;
+
+- restart->nanosleep.rmtp = (struct timespec __user *) &tu;
++ restart->nanosleep.rmtp = (struct timespec __force_user *) &tu;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = clock_nanosleep_restart(restart);
+@@ -845,8 +846,8 @@ long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_clock_nanosleep(which_clock, flags,
+- (struct timespec __user *) &in,
+- (struct timespec __user *) &out);
++ (struct timespec __force_user *) &in,
++ (struct timespec __force_user *) &out);
+ set_fs(oldfs);
+
+ if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&
+diff --git a/kernel/configs.c b/kernel/configs.c
+index 42e8fa0..9e7406b 100644
+--- a/kernel/configs.c
++++ b/kernel/configs.c
+@@ -74,8 +74,19 @@ static int __init ikconfig_init(void)
+ struct proc_dir_entry *entry;
+
+ /* create the current config file */
++#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
++#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM)
++ entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL,
++ &ikconfig_file_ops);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL,
++ &ikconfig_file_ops);
++#endif
++#else
+ entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
+ &ikconfig_file_ops);
++#endif
++
+ if (!entry)
+ return -ENOMEM;
+
+diff --git a/kernel/cred.c b/kernel/cred.c
+index de728ac..e3c267c 100644
+--- a/kernel/cred.c
++++ b/kernel/cred.c
+@@ -207,6 +207,16 @@ void exit_creds(struct task_struct *tsk)
+ validate_creds(cred);
+ alter_cred_subscribers(cred, -1);
+ put_cred(cred);
++
++#ifdef CONFIG_GRKERNSEC_SETXID
++ cred = (struct cred *) tsk->delayed_cred;
++ if (cred != NULL) {
++ tsk->delayed_cred = NULL;
++ validate_creds(cred);
++ alter_cred_subscribers(cred, -1);
++ put_cred(cred);
++ }
++#endif
+ }
+
+ /**
+@@ -469,7 +479,7 @@ error_put:
+ * Always returns 0 thus allowing this function to be tail-called at the end
+ * of, say, sys_setgid().
+ */
+-int commit_creds(struct cred *new)
++static int __commit_creds(struct cred *new)
+ {
+ struct task_struct *task = current;
+ const struct cred *old = task->real_cred;
+@@ -488,6 +498,8 @@ int commit_creds(struct cred *new)
+
+ get_cred(new); /* we will require a ref for the subj creds too */
+
++ gr_set_role_label(task, new->uid, new->gid);
++
+ /* dumpability changes */
+ if (!uid_eq(old->euid, new->euid) ||
+ !gid_eq(old->egid, new->egid) ||
+@@ -537,6 +549,101 @@ int commit_creds(struct cred *new)
+ put_cred(old);
+ return 0;
+ }
++#ifdef CONFIG_GRKERNSEC_SETXID
++extern int set_user(struct cred *new);
++
++void gr_delayed_cred_worker(void)
++{
++ const struct cred *new = current->delayed_cred;
++ struct cred *ncred;
++
++ current->delayed_cred = NULL;
++
++ if (current_uid() && new != NULL) {
++ // from doing get_cred on it when queueing this
++ put_cred(new);
++ return;
++ } else if (new == NULL)
++ return;
++
++ ncred = prepare_creds();
++ if (!ncred)
++ goto die;
++ // uids
++ ncred->uid = new->uid;
++ ncred->euid = new->euid;
++ ncred->suid = new->suid;
++ ncred->fsuid = new->fsuid;
++ // gids
++ ncred->gid = new->gid;
++ ncred->egid = new->egid;
++ ncred->sgid = new->sgid;
++ ncred->fsgid = new->fsgid;
++ // groups
++ if (set_groups(ncred, new->group_info) < 0) {
++ abort_creds(ncred);
++ goto die;
++ }
++ // caps
++ ncred->securebits = new->securebits;
++ ncred->cap_inheritable = new->cap_inheritable;
++ ncred->cap_permitted = new->cap_permitted;
++ ncred->cap_effective = new->cap_effective;
++ ncred->cap_bset = new->cap_bset;
++
++ if (set_user(ncred)) {
++ abort_creds(ncred);
++ goto die;
++ }
++
++ // from doing get_cred on it when queueing this
++ put_cred(new);
++
++ __commit_creds(ncred);
++ return;
++die:
++ // from doing get_cred on it when queueing this
++ put_cred(new);
++ do_group_exit(SIGKILL);
++}
++#endif
++
++int commit_creds(struct cred *new)
++{
++#ifdef CONFIG_GRKERNSEC_SETXID
++ int ret;
++ int schedule_it = 0;
++ struct task_struct *t;
++
++ /* we won't get called with tasklist_lock held for writing
++ and interrupts disabled as the cred struct in that case is
++ init_cred
++ */
++ if (grsec_enable_setxid && !current_is_single_threaded() &&
++ !current_uid() && new->uid) {
++ schedule_it = 1;
++ }
++ ret = __commit_creds(new);
++ if (schedule_it) {
++ rcu_read_lock();
++ read_lock(&tasklist_lock);
++ for (t = next_thread(current); t != current;
++ t = next_thread(t)) {
++ if (t->delayed_cred == NULL) {
++ t->delayed_cred = get_cred(new);
++ set_tsk_thread_flag(t, TIF_GRSEC_SETXID);
++ set_tsk_need_resched(t);
++ }
++ }
++ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
++ }
++ return ret;
++#else
++ return __commit_creds(new);
++#endif
++}
++
+ EXPORT_SYMBOL(commit_creds);
+
+ /**
+diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
+index 0557f24..1a00d9a 100644
+--- a/kernel/debug/debug_core.c
++++ b/kernel/debug/debug_core.c
+@@ -122,7 +122,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_lock);
+ */
+ static atomic_t masters_in_kgdb;
+ static atomic_t slaves_in_kgdb;
+-static atomic_t kgdb_break_tasklet_var;
++static atomic_unchecked_t kgdb_break_tasklet_var;
+ atomic_t kgdb_setting_breakpoint;
+
+ struct task_struct *kgdb_usethread;
+@@ -132,7 +132,7 @@ int kgdb_single_step;
+ static pid_t kgdb_sstep_pid;
+
+ /* to keep track of the CPU which is doing the single stepping*/
+-atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
++atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
+
+ /*
+ * If you are debugging a problem where roundup (the collection of
+@@ -540,7 +540,7 @@ return_normal:
+ * kernel will only try for the value of sstep_tries before
+ * giving up and continuing on.
+ */
+- if (atomic_read(&kgdb_cpu_doing_single_step) != -1 &&
++ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 &&
+ (kgdb_info[cpu].task &&
+ kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
+ atomic_set(&kgdb_active, -1);
+@@ -634,8 +634,8 @@ cpu_master_loop:
+ }
+
+ kgdb_restore:
+- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
+- int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step);
++ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
++ int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step);
+ if (kgdb_info[sstep_cpu].task)
+ kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid;
+ else
+@@ -861,18 +861,18 @@ static void kgdb_unregister_callbacks(void)
+ static void kgdb_tasklet_bpt(unsigned long ing)
+ {
+ kgdb_breakpoint();
+- atomic_set(&kgdb_break_tasklet_var, 0);
++ atomic_set_unchecked(&kgdb_break_tasklet_var, 0);
+ }
+
+ static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0);
+
+ void kgdb_schedule_breakpoint(void)
+ {
+- if (atomic_read(&kgdb_break_tasklet_var) ||
++ if (atomic_read_unchecked(&kgdb_break_tasklet_var) ||
+ atomic_read(&kgdb_active) != -1 ||
+ atomic_read(&kgdb_setting_breakpoint))
+ return;
+- atomic_inc(&kgdb_break_tasklet_var);
++ atomic_inc_unchecked(&kgdb_break_tasklet_var);
+ tasklet_schedule(&kgdb_tasklet_breakpoint);
+ }
+ EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint);
+diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
+index 31df170..bc98840 100644
+--- a/kernel/debug/kdb/kdb_main.c
++++ b/kernel/debug/kdb/kdb_main.c
+@@ -1971,7 +1971,7 @@ static int kdb_lsmod(int argc, const char **argv)
+ list_for_each_entry(mod, kdb_modules, list) {
+
+ kdb_printf("%-20s%8u 0x%p ", mod->name,
+- mod->core_size, (void *)mod);
++ mod->core_size_rx + mod->core_size_rw, (void *)mod);
+ #ifdef CONFIG_MODULE_UNLOAD
+ kdb_printf("%4ld ", module_refcount(mod));
+ #endif
+@@ -1981,7 +1981,7 @@ static int kdb_lsmod(int argc, const char **argv)
+ kdb_printf(" (Loading)");
+ else
+ kdb_printf(" (Live)");
+- kdb_printf(" 0x%p", mod->module_core);
++ kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw);
+
+ #ifdef CONFIG_MODULE_UNLOAD
+ {
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 7fee567..8affa2c 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -181,7 +181,7 @@ int perf_proc_update_handler(struct ctl_table *table, int write,
+ return 0;
+ }
+
+-static atomic64_t perf_event_id;
++static atomic64_unchecked_t perf_event_id;
+
+ static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx,
+ enum event_type_t event_type);
+@@ -2665,7 +2665,7 @@ static void __perf_event_read(void *info)
+
+ static inline u64 perf_event_count(struct perf_event *event)
+ {
+- return local64_read(&event->count) + atomic64_read(&event->child_count);
++ return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count);
+ }
+
+ static u64 perf_event_read(struct perf_event *event)
+@@ -2995,9 +2995,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running)
+ mutex_lock(&event->child_mutex);
+ total += perf_event_read(event);
+ *enabled += event->total_time_enabled +
+- atomic64_read(&event->child_total_time_enabled);
++ atomic64_read_unchecked(&event->child_total_time_enabled);
+ *running += event->total_time_running +
+- atomic64_read(&event->child_total_time_running);
++ atomic64_read_unchecked(&event->child_total_time_running);
+
+ list_for_each_entry(child, &event->child_list, child_list) {
+ total += perf_event_read(child);
+@@ -3406,10 +3406,10 @@ void perf_event_update_userpage(struct perf_event *event)
+ userpg->offset -= local64_read(&event->hw.prev_count);
+
+ userpg->time_enabled = enabled +
+- atomic64_read(&event->child_total_time_enabled);
++ atomic64_read_unchecked(&event->child_total_time_enabled);
+
+ userpg->time_running = running +
+- atomic64_read(&event->child_total_time_running);
++ atomic64_read_unchecked(&event->child_total_time_running);
+
+ arch_perf_update_userpage(userpg, now);
+
+@@ -3842,11 +3842,11 @@ static void perf_output_read_one(struct perf_output_handle *handle,
+ values[n++] = perf_event_count(event);
+ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
+ values[n++] = enabled +
+- atomic64_read(&event->child_total_time_enabled);
++ atomic64_read_unchecked(&event->child_total_time_enabled);
+ }
+ if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
+ values[n++] = running +
+- atomic64_read(&event->child_total_time_running);
++ atomic64_read_unchecked(&event->child_total_time_running);
+ }
+ if (read_format & PERF_FORMAT_ID)
+ values[n++] = primary_event_id(event);
+@@ -4524,12 +4524,12 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
+ * need to add enough zero bytes after the string to handle
+ * the 64bit alignment we do later.
+ */
+- buf = kzalloc(PATH_MAX + sizeof(u64), GFP_KERNEL);
++ buf = kzalloc(PATH_MAX, GFP_KERNEL);
+ if (!buf) {
+ name = strncpy(tmp, "//enomem", sizeof(tmp));
+ goto got_name;
+ }
+- name = d_path(&file->f_path, buf, PATH_MAX);
++ name = d_path(&file->f_path, buf, PATH_MAX - sizeof(u64));
+ if (IS_ERR(name)) {
+ name = strncpy(tmp, "//toolong", sizeof(tmp));
+ goto got_name;
+@@ -5968,7 +5968,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
+ event->parent = parent_event;
+
+ event->ns = get_pid_ns(current->nsproxy->pid_ns);
+- event->id = atomic64_inc_return(&perf_event_id);
++ event->id = atomic64_inc_return_unchecked(&perf_event_id);
+
+ event->state = PERF_EVENT_STATE_INACTIVE;
+
+@@ -6567,10 +6567,10 @@ static void sync_child_event(struct perf_event *child_event,
+ /*
+ * Add back the child's count to the parent's count:
+ */
+- atomic64_add(child_val, &parent_event->child_count);
+- atomic64_add(child_event->total_time_enabled,
++ atomic64_add_unchecked(child_val, &parent_event->child_count);
++ atomic64_add_unchecked(child_event->total_time_enabled,
+ &parent_event->child_total_time_enabled);
+- atomic64_add(child_event->total_time_running,
++ atomic64_add_unchecked(child_event->total_time_running,
+ &parent_event->child_total_time_running);
+
+ /*
+diff --git a/kernel/exit.c b/kernel/exit.c
+index f65345f9..9c28dab 100644
+--- a/kernel/exit.c
++++ b/kernel/exit.c
+@@ -59,6 +59,10 @@
+ #include <asm/pgtable.h>
+ #include <asm/mmu_context.h>
+
++#ifdef CONFIG_GRKERNSEC
++extern rwlock_t grsec_exec_file_lock;
++#endif
++
+ static void exit_mm(struct task_struct * tsk);
+
+ static void __unhash_process(struct task_struct *p, bool group_dead)
+@@ -182,6 +186,10 @@ void release_task(struct task_struct * p)
+ struct task_struct *leader;
+ int zap_leader;
+ repeat:
++#ifdef CONFIG_NET
++ gr_del_task_from_ip_table(p);
++#endif
++
+ /* don't need to get the RCU readlock here - the process is dead and
+ * can't be modifying its own credentials. But shut RCU-lockdep up */
+ rcu_read_lock();
+@@ -394,7 +402,7 @@ int allow_signal(int sig)
+ * know it'll be handled, so that they don't get converted to
+ * SIGKILL or just silently dropped.
+ */
+- current->sighand->action[(sig)-1].sa.sa_handler = (void __user *)2;
++ current->sighand->action[(sig)-1].sa.sa_handler = (__force void __user *)2;
+ recalc_sigpending();
+ spin_unlock_irq(¤t->sighand->siglock);
+ return 0;
+@@ -430,6 +438,17 @@ void daemonize(const char *name, ...)
+ vsnprintf(current->comm, sizeof(current->comm), name, args);
+ va_end(args);
+
++#ifdef CONFIG_GRKERNSEC
++ write_lock(&grsec_exec_file_lock);
++ if (current->exec_file) {
++ fput(current->exec_file);
++ current->exec_file = NULL;
++ }
++ write_unlock(&grsec_exec_file_lock);
++#endif
++
++ gr_set_kernel_label(current);
++
+ /*
+ * If we were started as result of loading a module, close all of the
+ * user space pages. We don't need them, and if we didn't close them
+@@ -907,6 +926,8 @@ void do_exit(long code)
+ struct task_struct *tsk = current;
+ int group_dead;
+
++ set_fs(USER_DS);
++
+ profile_task_exit(tsk);
+
+ WARN_ON(blk_needs_flush_plug(tsk));
+@@ -923,7 +944,6 @@ void do_exit(long code)
+ * mm_release()->clear_child_tid() from writing to a user-controlled
+ * kernel address.
+ */
+- set_fs(USER_DS);
+
+ ptrace_event(PTRACE_EVENT_EXIT, code);
+
+@@ -982,6 +1002,9 @@ void do_exit(long code)
+ tsk->exit_code = code;
+ taskstats_exit(tsk, group_dead);
+
++ gr_acl_handle_psacct(tsk, code);
++ gr_acl_handle_exit();
++
+ exit_mm(tsk);
+
+ if (group_dead)
+@@ -1099,7 +1122,7 @@ SYSCALL_DEFINE1(exit, int, error_code)
+ * Take down every thread in the group. This is called by fatal signals
+ * as well as by sys_exit_group (below).
+ */
+-void
++__noreturn void
+ do_group_exit(int exit_code)
+ {
+ struct signal_struct *sig = current->signal;
+diff --git a/kernel/fork.c b/kernel/fork.c
+index 2c8857e..288c9c7 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -318,7 +318,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
+ *stackend = STACK_END_MAGIC; /* for overflow detection */
+
+ #ifdef CONFIG_CC_STACKPROTECTOR
+- tsk->stack_canary = get_random_int();
++ tsk->stack_canary = pax_get_random_long();
+ #endif
+
+ /*
+@@ -343,13 +343,78 @@ free_tsk:
+ }
+
+ #ifdef CONFIG_MMU
++static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct mm_struct *oldmm, struct vm_area_struct *mpnt)
++{
++ struct vm_area_struct *tmp;
++ unsigned long charge;
++ struct mempolicy *pol;
++ struct file *file;
++
++ charge = 0;
++ if (mpnt->vm_flags & VM_ACCOUNT) {
++ unsigned long len = vma_pages(mpnt);
++
++ if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
++ goto fail_nomem;
++ charge = len;
++ }
++ tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
++ if (!tmp)
++ goto fail_nomem;
++ *tmp = *mpnt;
++ tmp->vm_mm = mm;
++ INIT_LIST_HEAD(&tmp->anon_vma_chain);
++ pol = mpol_dup(vma_policy(mpnt));
++ if (IS_ERR(pol))
++ goto fail_nomem_policy;
++ vma_set_policy(tmp, pol);
++ if (anon_vma_fork(tmp, mpnt))
++ goto fail_nomem_anon_vma_fork;
++ tmp->vm_flags &= ~VM_LOCKED;
++ tmp->vm_next = tmp->vm_prev = NULL;
++ tmp->vm_mirror = NULL;
++ file = tmp->vm_file;
++ if (file) {
++ struct inode *inode = file->f_path.dentry->d_inode;
++ struct address_space *mapping = file->f_mapping;
++
++ get_file(file);
++ if (tmp->vm_flags & VM_DENYWRITE)
++ atomic_dec(&inode->i_writecount);
++ mutex_lock(&mapping->i_mmap_mutex);
++ if (tmp->vm_flags & VM_SHARED)
++ mapping->i_mmap_writable++;
++ flush_dcache_mmap_lock(mapping);
++ /* insert tmp into the share list, just after mpnt */
++ vma_prio_tree_add(tmp, mpnt);
++ flush_dcache_mmap_unlock(mapping);
++ mutex_unlock(&mapping->i_mmap_mutex);
++ }
++
++ /*
++ * Clear hugetlb-related page reserves for children. This only
++ * affects MAP_PRIVATE mappings. Faults generated by the child
++ * are not guaranteed to succeed, even if read-only
++ */
++ if (is_vm_hugetlb_page(tmp))
++ reset_vma_resv_huge_pages(tmp);
++
++ return tmp;
++
++fail_nomem_anon_vma_fork:
++ mpol_put(pol);
++fail_nomem_policy:
++ kmem_cache_free(vm_area_cachep, tmp);
++fail_nomem:
++ vm_unacct_memory(charge);
++ return NULL;
++}
++
+ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
+ {
+ struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
+ struct rb_node **rb_link, *rb_parent;
+ int retval;
+- unsigned long charge;
+- struct mempolicy *pol;
+
+ down_write(&oldmm->mmap_sem);
+ flush_cache_dup_mm(oldmm);
+@@ -361,8 +426,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
+ mm->locked_vm = 0;
+ mm->mmap = NULL;
+ mm->mmap_cache = NULL;
+- mm->free_area_cache = oldmm->mmap_base;
+- mm->cached_hole_size = ~0UL;
++ mm->free_area_cache = oldmm->free_area_cache;
++ mm->cached_hole_size = oldmm->cached_hole_size;
+ mm->map_count = 0;
+ cpumask_clear(mm_cpumask(mm));
+ mm->mm_rb = RB_ROOT;
+@@ -378,52 +443,15 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
+
+ prev = NULL;
+ for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {
+- struct file *file;
+-
+ if (mpnt->vm_flags & VM_DONTCOPY) {
+ vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
+ -vma_pages(mpnt));
+ continue;
+ }
+- charge = 0;
+- if (mpnt->vm_flags & VM_ACCOUNT) {
+- unsigned long len = vma_pages(mpnt);
+-
+- if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
+- goto fail_nomem;
+- charge = len;
+- }
+- tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+- if (!tmp)
+- goto fail_nomem;
+- *tmp = *mpnt;
+- INIT_LIST_HEAD(&tmp->anon_vma_chain);
+- pol = mpol_dup(vma_policy(mpnt));
+- retval = PTR_ERR(pol);
+- if (IS_ERR(pol))
+- goto fail_nomem_policy;
+- vma_set_policy(tmp, pol);
+- tmp->vm_mm = mm;
+- if (anon_vma_fork(tmp, mpnt))
+- goto fail_nomem_anon_vma_fork;
+- tmp->vm_flags &= ~VM_LOCKED;
+- tmp->vm_next = tmp->vm_prev = NULL;
+- file = tmp->vm_file;
+- if (file) {
+- struct inode *inode = file->f_path.dentry->d_inode;
+- struct address_space *mapping = file->f_mapping;
+-
+- get_file(file);
+- if (tmp->vm_flags & VM_DENYWRITE)
+- atomic_dec(&inode->i_writecount);
+- mutex_lock(&mapping->i_mmap_mutex);
+- if (tmp->vm_flags & VM_SHARED)
+- mapping->i_mmap_writable++;
+- flush_dcache_mmap_lock(mapping);
+- /* insert tmp into the share list, just after mpnt */
+- vma_prio_tree_add(tmp, mpnt);
+- flush_dcache_mmap_unlock(mapping);
+- mutex_unlock(&mapping->i_mmap_mutex);
++ tmp = dup_vma(mm, oldmm, mpnt);
++ if (!tmp) {
++ retval = -ENOMEM;
++ goto out;
+ }
+
+ /*
+@@ -455,9 +483,34 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
+ if (retval)
+ goto out;
+
+- if (file)
++ if (tmp->vm_file)
+ uprobe_mmap(tmp);
+ }
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (oldmm->pax_flags & MF_PAX_SEGMEXEC) {
++ struct vm_area_struct *mpnt_m;
++
++ for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) {
++ BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm);
++
++ if (!mpnt->vm_mirror)
++ continue;
++
++ if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) {
++ BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt);
++ mpnt->vm_mirror = mpnt_m;
++ } else {
++ BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm);
++ mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror;
++ mpnt_m->vm_mirror->vm_mirror = mpnt_m;
++ mpnt->vm_mirror->vm_mirror = mpnt;
++ }
++ }
++ BUG_ON(mpnt_m);
++ }
++#endif
++
+ /* a new mm has just been created */
+ arch_dup_mmap(oldmm, mm);
+ retval = 0;
+@@ -466,14 +519,6 @@ out:
+ flush_tlb_mm(oldmm);
+ up_write(&oldmm->mmap_sem);
+ return retval;
+-fail_nomem_anon_vma_fork:
+- mpol_put(pol);
+-fail_nomem_policy:
+- kmem_cache_free(vm_area_cachep, tmp);
+-fail_nomem:
+- retval = -ENOMEM;
+- vm_unacct_memory(charge);
+- goto out;
+ }
+
+ static inline int mm_alloc_pgd(struct mm_struct *mm)
+@@ -710,8 +755,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
+ return ERR_PTR(err);
+
+ mm = get_task_mm(task);
+- if (mm && mm != current->mm &&
+- !ptrace_may_access(task, mode)) {
++ if (mm && ((mm != current->mm && !ptrace_may_access(task, mode)) ||
++ (mode == PTRACE_MODE_ATTACH && (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task))))) {
+ mmput(mm);
+ mm = ERR_PTR(-EACCES);
+ }
+@@ -932,13 +977,20 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
+ spin_unlock(&fs->lock);
+ return -EAGAIN;
+ }
+- fs->users++;
++ atomic_inc(&fs->users);
+ spin_unlock(&fs->lock);
+ return 0;
+ }
+ tsk->fs = copy_fs_struct(fs);
+ if (!tsk->fs)
+ return -ENOMEM;
++ /* Carry through gr_chroot_dentry and is_chrooted instead
++ of recomputing it here. Already copied when the task struct
++ is duplicated. This allows pivot_root to not be treated as
++ a chroot
++ */
++ //gr_set_chroot_entries(tsk, &tsk->fs->root);
++
+ return 0;
+ }
+
+@@ -1205,6 +1257,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
+ DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
+ #endif
+ retval = -EAGAIN;
++
++ gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0);
++
+ if (atomic_read(&p->real_cred->user->processes) >=
+ task_rlimit(p, RLIMIT_NPROC)) {
+ if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
+@@ -1427,6 +1482,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
+ /* Need tasklist lock for parent etc handling! */
+ write_lock_irq(&tasklist_lock);
+
++ /* synchronizes with gr_set_acls() */
++ gr_copy_label(p);
++
+ /* CLONE_PARENT re-uses the old parent */
+ if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
+ p->real_parent = current->real_parent;
+@@ -1537,6 +1595,8 @@ bad_fork_cleanup_count:
+ bad_fork_free:
+ free_task(p);
+ fork_out:
++ gr_log_forkfail(retval);
++
+ return ERR_PTR(retval);
+ }
+
+@@ -1637,6 +1697,8 @@ long do_fork(unsigned long clone_flags,
+ if (clone_flags & CLONE_PARENT_SETTID)
+ put_user(nr, parent_tidptr);
+
++ gr_handle_brute_check();
++
+ if (clone_flags & CLONE_VFORK) {
+ p->vfork_done = &vfork;
+ init_completion(&vfork);
+@@ -1735,7 +1797,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp)
+ return 0;
+
+ /* don't need lock here; in the worst case we'll do useless copy */
+- if (fs->users == 1)
++ if (atomic_read(&fs->users) == 1)
+ return 0;
+
+ *new_fsp = copy_fs_struct(fs);
+@@ -1824,7 +1886,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
+ fs = current->fs;
+ spin_lock(&fs->lock);
+ current->fs = new_fs;
+- if (--fs->users)
++ gr_set_chroot_entries(current, ¤t->fs->root);
++ if (atomic_dec_return(&fs->users))
+ new_fs = NULL;
+ else
+ new_fs = fs;
+diff --git a/kernel/futex.c b/kernel/futex.c
+index 3717e7b..473c750 100644
+--- a/kernel/futex.c
++++ b/kernel/futex.c
+@@ -54,6 +54,7 @@
+ #include <linux/mount.h>
+ #include <linux/pagemap.h>
+ #include <linux/syscalls.h>
++#include <linux/ptrace.h>
+ #include <linux/signal.h>
+ #include <linux/export.h>
+ #include <linux/magic.h>
+@@ -239,6 +240,11 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, int rw)
+ struct page *page, *page_head;
+ int err, ro = 0;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE)
++ return -EFAULT;
++#endif
++
+ /*
+ * The futex address must be "naturally" aligned.
+ */
+@@ -2714,6 +2720,7 @@ static int __init futex_init(void)
+ {
+ u32 curval;
+ int i;
++ mm_segment_t oldfs;
+
+ /*
+ * This will fail and we want it. Some arch implementations do
+@@ -2725,8 +2732,11 @@ static int __init futex_init(void)
+ * implementation, the non-functional ones will return
+ * -ENOSYS.
+ */
++ oldfs = get_fs();
++ set_fs(USER_DS);
+ if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT)
+ futex_cmpxchg_enabled = 1;
++ set_fs(oldfs);
+
+ for (i = 0; i < ARRAY_SIZE(futex_queues); i++) {
+ plist_head_init(&futex_queues[i].chain);
+diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
+index 9b22d03..6295b62 100644
+--- a/kernel/gcov/base.c
++++ b/kernel/gcov/base.c
+@@ -102,11 +102,6 @@ void gcov_enable_events(void)
+ }
+
+ #ifdef CONFIG_MODULES
+-static inline int within(void *addr, void *start, unsigned long size)
+-{
+- return ((addr >= start) && (addr < start + size));
+-}
+-
+ /* Update list and generate events when modules are unloaded. */
+ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
+ void *data)
+@@ -121,7 +116,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
+ prev = NULL;
+ /* Remove entries located in module from linked list. */
+ for (info = gcov_info_head; info; info = info->next) {
+- if (within(info, mod->module_core, mod->core_size)) {
++ if (within_module_core_rw((unsigned long)info, mod)) {
+ if (prev)
+ prev->next = info->next;
+ else
+diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
+index 6db7a5e..25b6648 100644
+--- a/kernel/hrtimer.c
++++ b/kernel/hrtimer.c
+@@ -1407,7 +1407,7 @@ void hrtimer_peek_ahead_timers(void)
+ local_irq_restore(flags);
+ }
+
+-static void run_hrtimer_softirq(struct softirq_action *h)
++static void run_hrtimer_softirq(void)
+ {
+ struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
+
+diff --git a/kernel/jump_label.c b/kernel/jump_label.c
+index 4304919..408c4c0 100644
+--- a/kernel/jump_label.c
++++ b/kernel/jump_label.c
+@@ -13,6 +13,7 @@
+ #include <linux/sort.h>
+ #include <linux/err.h>
+ #include <linux/static_key.h>
++#include <linux/mm.h>
+
+ #ifdef HAVE_JUMP_LABEL
+
+@@ -50,7 +51,9 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop)
+
+ size = (((unsigned long)stop - (unsigned long)start)
+ / sizeof(struct jump_entry));
++ pax_open_kernel();
+ sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL);
++ pax_close_kernel();
+ }
+
+ static void jump_label_update(struct static_key *key, int enable);
+@@ -356,10 +359,12 @@ static void jump_label_invalidate_module_init(struct module *mod)
+ struct jump_entry *iter_stop = iter_start + mod->num_jump_entries;
+ struct jump_entry *iter;
+
++ pax_open_kernel();
+ for (iter = iter_start; iter < iter_stop; iter++) {
+ if (within_module_init(iter->code, mod))
+ iter->code = 0;
+ }
++ pax_close_kernel();
+ }
+
+ static int
+diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
+index 2169fee..45c017a 100644
+--- a/kernel/kallsyms.c
++++ b/kernel/kallsyms.c
+@@ -11,6 +11,9 @@
+ * Changed the compression method from stem compression to "table lookup"
+ * compression (see scripts/kallsyms.c for a more complete description)
+ */
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++#define __INCLUDED_BY_HIDESYM 1
++#endif
+ #include <linux/kallsyms.h>
+ #include <linux/module.h>
+ #include <linux/init.h>
+@@ -53,12 +56,33 @@ extern const unsigned long kallsyms_markers[] __attribute__((weak));
+
+ static inline int is_kernel_inittext(unsigned long addr)
+ {
++ if (system_state != SYSTEM_BOOTING)
++ return 0;
++
+ if (addr >= (unsigned long)_sinittext
+ && addr <= (unsigned long)_einittext)
+ return 1;
+ return 0;
+ }
+
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++#ifdef CONFIG_MODULES
++static inline int is_module_text(unsigned long addr)
++{
++ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END)
++ return 1;
++
++ addr = ktla_ktva(addr);
++ return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END;
++}
++#else
++static inline int is_module_text(unsigned long addr)
++{
++ return 0;
++}
++#endif
++#endif
++
+ static inline int is_kernel_text(unsigned long addr)
+ {
+ if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) ||
+@@ -69,13 +93,28 @@ static inline int is_kernel_text(unsigned long addr)
+
+ static inline int is_kernel(unsigned long addr)
+ {
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (is_kernel_text(addr) || is_kernel_inittext(addr))
++ return 1;
++
++ if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end)
++#else
+ if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
++#endif
++
+ return 1;
+ return in_gate_area_no_mm(addr);
+ }
+
+ static int is_ksym_addr(unsigned long addr)
+ {
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (is_module_text(addr))
++ return 0;
++#endif
++
+ if (all_var)
+ return is_kernel(addr);
+
+@@ -470,7 +509,6 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter)
+
+ static void reset_iter(struct kallsym_iter *iter, loff_t new_pos)
+ {
+- iter->name[0] = '\0';
+ iter->nameoff = get_symbol_offset(new_pos);
+ iter->pos = new_pos;
+ }
+@@ -518,6 +556,11 @@ static int s_show(struct seq_file *m, void *p)
+ {
+ struct kallsym_iter *iter = m->private;
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ if (current_uid())
++ return 0;
++#endif
++
+ /* Some debugging symbols have no name. Ignore them. */
+ if (!iter->name[0])
+ return 0;
+@@ -531,6 +574,7 @@ static int s_show(struct seq_file *m, void *p)
+ */
+ type = iter->exported ? toupper(iter->type) :
+ tolower(iter->type);
++
+ seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value,
+ type, iter->name, iter->module_name);
+ } else
+@@ -556,7 +600,7 @@ static int kallsyms_open(struct inode *inode, struct file *file)
+ struct kallsym_iter *iter;
+ int ret;
+
+- iter = kmalloc(sizeof(*iter), GFP_KERNEL);
++ iter = kzalloc(sizeof(*iter), GFP_KERNEL);
+ if (!iter)
+ return -ENOMEM;
+ reset_iter(iter, 0);
+diff --git a/kernel/kcmp.c b/kernel/kcmp.c
+index 30b7b22..c726387 100644
+--- a/kernel/kcmp.c
++++ b/kernel/kcmp.c
+@@ -98,6 +98,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
+ struct task_struct *task1, *task2;
+ int ret;
+
++#ifdef CONFIG_GRKERNSEC
++ return -ENOSYS;
++#endif
++
+ rcu_read_lock();
+
+ /*
+diff --git a/kernel/kexec.c b/kernel/kexec.c
+index 0668d58..591b6fc 100644
+--- a/kernel/kexec.c
++++ b/kernel/kexec.c
+@@ -1046,7 +1046,8 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry,
+ unsigned long flags)
+ {
+ struct compat_kexec_segment in;
+- struct kexec_segment out, __user *ksegments;
++ struct kexec_segment out;
++ struct kexec_segment __user *ksegments;
+ unsigned long i, result;
+
+ /* Don't allow clients that don't understand the native
+diff --git a/kernel/kmod.c b/kernel/kmod.c
+index 6f99aea..eb6e3a0 100644
+--- a/kernel/kmod.c
++++ b/kernel/kmod.c
+@@ -73,7 +73,7 @@ static void free_modprobe_argv(struct subprocess_info *info)
+ kfree(info->argv);
+ }
+
+-static int call_modprobe(char *module_name, int wait)
++static int call_modprobe(char *module_name, char *module_param, int wait)
+ {
+ static char *envp[] = {
+ "HOME=/",
+@@ -82,7 +82,7 @@ static int call_modprobe(char *module_name, int wait)
+ NULL
+ };
+
+- char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL);
++ char **argv = kmalloc(sizeof(char *[6]), GFP_KERNEL);
+ if (!argv)
+ goto out;
+
+@@ -94,7 +94,8 @@ static int call_modprobe(char *module_name, int wait)
+ argv[1] = "-q";
+ argv[2] = "--";
+ argv[3] = module_name; /* check free_modprobe_argv() */
+- argv[4] = NULL;
++ argv[4] = module_param;
++ argv[5] = NULL;
+
+ return call_usermodehelper_fns(modprobe_path, argv, envp,
+ wait | UMH_KILLABLE, NULL, free_modprobe_argv, NULL);
+@@ -119,9 +120,8 @@ out:
+ * If module auto-loading support is disabled then this function
+ * becomes a no-operation.
+ */
+-int __request_module(bool wait, const char *fmt, ...)
++static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap)
+ {
+- va_list args;
+ char module_name[MODULE_NAME_LEN];
+ unsigned int max_modprobes;
+ int ret;
+@@ -129,9 +129,7 @@ int __request_module(bool wait, const char *fmt, ...)
+ #define MAX_KMOD_CONCURRENT 50 /* Completely arbitrary value - KAO */
+ static int kmod_loop_msg;
+
+- va_start(args, fmt);
+- ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args);
+- va_end(args);
++ ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap);
+ if (ret >= MODULE_NAME_LEN)
+ return -ENAMETOOLONG;
+
+@@ -139,6 +137,20 @@ int __request_module(bool wait, const char *fmt, ...)
+ if (ret)
+ return ret;
+
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ if (!current_uid()) {
++ /* hack to workaround consolekit/udisks stupidity */
++ read_lock(&tasklist_lock);
++ if (!strcmp(current->comm, "mount") &&
++ current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) {
++ read_unlock(&tasklist_lock);
++ printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name);
++ return -EPERM;
++ }
++ read_unlock(&tasklist_lock);
++ }
++#endif
++
+ /* If modprobe needs a service that is in a module, we get a recursive
+ * loop. Limit the number of running kmod threads to max_threads/2 or
+ * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method
+@@ -167,11 +179,52 @@ int __request_module(bool wait, const char *fmt, ...)
+
+ trace_module_request(module_name, wait, _RET_IP_);
+
+- ret = call_modprobe(module_name, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
++ ret = call_modprobe(module_name, module_param, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
+
+ atomic_dec(&kmod_concurrent);
+ return ret;
+ }
++
++int ___request_module(bool wait, char *module_param, const char *fmt, ...)
++{
++ va_list args;
++ int ret;
++
++ va_start(args, fmt);
++ ret = ____request_module(wait, module_param, fmt, args);
++ va_end(args);
++
++ return ret;
++}
++
++int __request_module(bool wait, const char *fmt, ...)
++{
++ va_list args;
++ int ret;
++
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ if (current_uid()) {
++ char module_param[MODULE_NAME_LEN];
++
++ memset(module_param, 0, sizeof(module_param));
++
++ snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", current_uid());
++
++ va_start(args, fmt);
++ ret = ____request_module(wait, module_param, fmt, args);
++ va_end(args);
++
++ return ret;
++ }
++#endif
++
++ va_start(args, fmt);
++ ret = ____request_module(wait, NULL, fmt, args);
++ va_end(args);
++
++ return ret;
++}
++
+ EXPORT_SYMBOL(__request_module);
+ #endif /* CONFIG_MODULES */
+
+@@ -280,7 +333,7 @@ static int wait_for_helper(void *data)
+ *
+ * Thus the __user pointer cast is valid here.
+ */
+- sys_wait4(pid, (int __user *)&ret, 0, NULL);
++ sys_wait4(pid, (int __force_user *)&ret, 0, NULL);
+
+ /*
+ * If ret is 0, either ____call_usermodehelper failed and the
+diff --git a/kernel/kprobes.c b/kernel/kprobes.c
+index c62b854..6fc810d 100644
+--- a/kernel/kprobes.c
++++ b/kernel/kprobes.c
+@@ -185,7 +185,7 @@ static kprobe_opcode_t __kprobes *__get_insn_slot(struct kprobe_insn_cache *c)
+ * kernel image and loaded module images reside. This is required
+ * so x86_64 can correctly handle the %rip-relative fixups.
+ */
+- kip->insns = module_alloc(PAGE_SIZE);
++ kip->insns = module_alloc_exec(PAGE_SIZE);
+ if (!kip->insns) {
+ kfree(kip);
+ return NULL;
+@@ -225,7 +225,7 @@ static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx)
+ */
+ if (!list_is_singular(&kip->list)) {
+ list_del(&kip->list);
+- module_free(NULL, kip->insns);
++ module_free_exec(NULL, kip->insns);
+ kfree(kip);
+ }
+ return 1;
+@@ -1955,7 +1955,7 @@ static int __init init_kprobes(void)
+ {
+ int i, err = 0;
+ unsigned long offset = 0, size = 0;
+- char *modname, namebuf[128];
++ char *modname, namebuf[KSYM_NAME_LEN];
+ const char *symbol_name;
+ void *addr;
+ struct kprobe_blackpoint *kb;
+@@ -2040,11 +2040,11 @@ static void __kprobes report_probe(struct seq_file *pi, struct kprobe *p,
+ kprobe_type = "k";
+
+ if (sym)
+- seq_printf(pi, "%p %s %s+0x%x %s ",
++ seq_printf(pi, "%pK %s %s+0x%x %s ",
+ p->addr, kprobe_type, sym, offset,
+ (modname ? modname : " "));
+ else
+- seq_printf(pi, "%p %s %p ",
++ seq_printf(pi, "%pK %s %pK ",
+ p->addr, kprobe_type, p->addr);
+
+ if (!pp)
+@@ -2081,7 +2081,7 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
+ const char *sym = NULL;
+ unsigned int i = *(loff_t *) v;
+ unsigned long offset = 0;
+- char *modname, namebuf[128];
++ char *modname, namebuf[KSYM_NAME_LEN];
+
+ head = &kprobe_table[i];
+ preempt_disable();
+diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
+index 4e316e1..5501eef 100644
+--- a/kernel/ksysfs.c
++++ b/kernel/ksysfs.c
+@@ -47,6 +47,8 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
+ {
+ if (count+1 > UEVENT_HELPER_PATH_LEN)
+ return -ENOENT;
++ if (!capable(CAP_SYS_ADMIN))
++ return -EPERM;
+ memcpy(uevent_helper, buf, count);
+ uevent_helper[count] = '\0';
+ if (count && uevent_helper[count-1] == '\n')
+diff --git a/kernel/lockdep.c b/kernel/lockdep.c
+index ea9ee45..67ebc8f 100644
+--- a/kernel/lockdep.c
++++ b/kernel/lockdep.c
+@@ -590,6 +590,10 @@ static int static_obj(void *obj)
+ end = (unsigned long) &_end,
+ addr = (unsigned long) obj;
+
++#ifdef CONFIG_PAX_KERNEXEC
++ start = ktla_ktva(start);
++#endif
++
+ /*
+ * static variable?
+ */
+@@ -730,6 +734,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
+ if (!static_obj(lock->key)) {
+ debug_locks_off();
+ printk("INFO: trying to register non-static key.\n");
++ printk("lock:%pS key:%pS.\n", lock, lock->key);
+ printk("the code is fine but needs lockdep annotation.\n");
+ printk("turning off the locking correctness validator.\n");
+ dump_stack();
+@@ -3042,7 +3047,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
+ if (!class)
+ return 0;
+ }
+- atomic_inc((atomic_t *)&class->ops);
++ atomic_inc_unchecked((atomic_unchecked_t *)&class->ops);
+ if (very_verbose(class)) {
+ printk("\nacquire class [%p] %s", class->key, class->name);
+ if (class->name_version > 1)
+diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
+index 91c32a0..7b88d63 100644
+--- a/kernel/lockdep_proc.c
++++ b/kernel/lockdep_proc.c
+@@ -39,7 +39,7 @@ static void l_stop(struct seq_file *m, void *v)
+
+ static void print_name(struct seq_file *m, struct lock_class *class)
+ {
+- char str[128];
++ char str[KSYM_NAME_LEN];
+ const char *name = class->name;
+
+ if (!name) {
+@@ -65,7 +65,7 @@ static int l_show(struct seq_file *m, void *v)
+ return 0;
+ }
+
+- seq_printf(m, "%p", class->key);
++ seq_printf(m, "%pK", class->key);
+ #ifdef CONFIG_DEBUG_LOCKDEP
+ seq_printf(m, " OPS:%8ld", class->ops);
+ #endif
+@@ -83,7 +83,7 @@ static int l_show(struct seq_file *m, void *v)
+
+ list_for_each_entry(entry, &class->locks_after, entry) {
+ if (entry->distance == 1) {
+- seq_printf(m, " -> [%p] ", entry->class->key);
++ seq_printf(m, " -> [%pK] ", entry->class->key);
+ print_name(m, entry->class);
+ seq_puts(m, "\n");
+ }
+@@ -152,7 +152,7 @@ static int lc_show(struct seq_file *m, void *v)
+ if (!class->key)
+ continue;
+
+- seq_printf(m, "[%p] ", class->key);
++ seq_printf(m, "[%pK] ", class->key);
+ print_name(m, class);
+ seq_puts(m, "\n");
+ }
+@@ -495,7 +495,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
+ if (!i)
+ seq_line(m, '-', 40-namelen, namelen);
+
+- snprintf(ip, sizeof(ip), "[<%p>]",
++ snprintf(ip, sizeof(ip), "[<%pK>]",
+ (void *)class->contention_point[i]);
+ seq_printf(m, "%40s %14lu %29s %pS\n",
+ name, stats->contention_point[i],
+@@ -510,7 +510,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
+ if (!i)
+ seq_line(m, '-', 40-namelen, namelen);
+
+- snprintf(ip, sizeof(ip), "[<%p>]",
++ snprintf(ip, sizeof(ip), "[<%pK>]",
+ (void *)class->contending_point[i]);
+ seq_printf(m, "%40s %14lu %29s %pS\n",
+ name, stats->contending_point[i],
+diff --git a/kernel/module.c b/kernel/module.c
+index 9ad9ee9..de7a157 100644
+--- a/kernel/module.c
++++ b/kernel/module.c
+@@ -58,6 +58,7 @@
+ #include <linux/jump_label.h>
+ #include <linux/pfn.h>
+ #include <linux/bsearch.h>
++#include <linux/grsecurity.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/module.h>
+@@ -114,7 +115,8 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list);
+
+ /* Bounds of module allocation, for speeding __module_address.
+ * Protected by module_mutex. */
+-static unsigned long module_addr_min = -1UL, module_addr_max = 0;
++static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0;
++static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0;
+
+ int register_module_notifier(struct notifier_block * nb)
+ {
+@@ -278,7 +280,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
+ return true;
+
+ list_for_each_entry_rcu(mod, &modules, list) {
+- struct symsearch arr[] = {
++ struct symsearch modarr[] = {
+ { mod->syms, mod->syms + mod->num_syms, mod->crcs,
+ NOT_GPL_ONLY, false },
+ { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms,
+@@ -300,7 +302,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
+ #endif
+ };
+
+- if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data))
++ if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data))
+ return true;
+ }
+ return false;
+@@ -432,7 +434,7 @@ static inline void __percpu *mod_percpu(struct module *mod)
+ static int percpu_modalloc(struct module *mod,
+ unsigned long size, unsigned long align)
+ {
+- if (align > PAGE_SIZE) {
++ if (align-1 >= PAGE_SIZE) {
+ printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n",
+ mod->name, align, PAGE_SIZE);
+ align = PAGE_SIZE;
+@@ -1032,7 +1034,7 @@ struct module_attribute module_uevent =
+ static ssize_t show_coresize(struct module_attribute *mattr,
+ struct module_kobject *mk, char *buffer)
+ {
+- return sprintf(buffer, "%u\n", mk->mod->core_size);
++ return sprintf(buffer, "%u\n", mk->mod->core_size_rx + mk->mod->core_size_rw);
+ }
+
+ static struct module_attribute modinfo_coresize =
+@@ -1041,7 +1043,7 @@ static struct module_attribute modinfo_coresize =
+ static ssize_t show_initsize(struct module_attribute *mattr,
+ struct module_kobject *mk, char *buffer)
+ {
+- return sprintf(buffer, "%u\n", mk->mod->init_size);
++ return sprintf(buffer, "%u\n", mk->mod->init_size_rx + mk->mod->init_size_rw);
+ }
+
+ static struct module_attribute modinfo_initsize =
+@@ -1255,7 +1257,7 @@ resolve_symbol_wait(struct module *mod,
+ */
+ #ifdef CONFIG_SYSFS
+
+-#ifdef CONFIG_KALLSYMS
++#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
+ static inline bool sect_empty(const Elf_Shdr *sect)
+ {
+ return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0;
+@@ -1721,21 +1723,21 @@ static void set_section_ro_nx(void *base,
+
+ static void unset_module_core_ro_nx(struct module *mod)
+ {
+- set_page_attributes(mod->module_core + mod->core_text_size,
+- mod->module_core + mod->core_size,
++ set_page_attributes(mod->module_core_rw,
++ mod->module_core_rw + mod->core_size_rw,
+ set_memory_x);
+- set_page_attributes(mod->module_core,
+- mod->module_core + mod->core_ro_size,
++ set_page_attributes(mod->module_core_rx,
++ mod->module_core_rx + mod->core_size_rx,
+ set_memory_rw);
+ }
+
+ static void unset_module_init_ro_nx(struct module *mod)
+ {
+- set_page_attributes(mod->module_init + mod->init_text_size,
+- mod->module_init + mod->init_size,
++ set_page_attributes(mod->module_init_rw,
++ mod->module_init_rw + mod->init_size_rw,
+ set_memory_x);
+- set_page_attributes(mod->module_init,
+- mod->module_init + mod->init_ro_size,
++ set_page_attributes(mod->module_init_rx,
++ mod->module_init_rx + mod->init_size_rx,
+ set_memory_rw);
+ }
+
+@@ -1746,14 +1748,14 @@ void set_all_modules_text_rw(void)
+
+ mutex_lock(&module_mutex);
+ list_for_each_entry_rcu(mod, &modules, list) {
+- if ((mod->module_core) && (mod->core_text_size)) {
+- set_page_attributes(mod->module_core,
+- mod->module_core + mod->core_text_size,
++ if ((mod->module_core_rx) && (mod->core_size_rx)) {
++ set_page_attributes(mod->module_core_rx,
++ mod->module_core_rx + mod->core_size_rx,
+ set_memory_rw);
+ }
+- if ((mod->module_init) && (mod->init_text_size)) {
+- set_page_attributes(mod->module_init,
+- mod->module_init + mod->init_text_size,
++ if ((mod->module_init_rx) && (mod->init_size_rx)) {
++ set_page_attributes(mod->module_init_rx,
++ mod->module_init_rx + mod->init_size_rx,
+ set_memory_rw);
+ }
+ }
+@@ -1767,14 +1769,14 @@ void set_all_modules_text_ro(void)
+
+ mutex_lock(&module_mutex);
+ list_for_each_entry_rcu(mod, &modules, list) {
+- if ((mod->module_core) && (mod->core_text_size)) {
+- set_page_attributes(mod->module_core,
+- mod->module_core + mod->core_text_size,
++ if ((mod->module_core_rx) && (mod->core_size_rx)) {
++ set_page_attributes(mod->module_core_rx,
++ mod->module_core_rx + mod->core_size_rx,
+ set_memory_ro);
+ }
+- if ((mod->module_init) && (mod->init_text_size)) {
+- set_page_attributes(mod->module_init,
+- mod->module_init + mod->init_text_size,
++ if ((mod->module_init_rx) && (mod->init_size_rx)) {
++ set_page_attributes(mod->module_init_rx,
++ mod->module_init_rx + mod->init_size_rx,
+ set_memory_ro);
+ }
+ }
+@@ -1820,16 +1822,19 @@ static void free_module(struct module *mod)
+
+ /* This may be NULL, but that's OK */
+ unset_module_init_ro_nx(mod);
+- module_free(mod, mod->module_init);
++ module_free(mod, mod->module_init_rw);
++ module_free_exec(mod, mod->module_init_rx);
+ kfree(mod->args);
+ percpu_modfree(mod);
+
+ /* Free lock-classes: */
+- lockdep_free_key_range(mod->module_core, mod->core_size);
++ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx);
++ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw);
+
+ /* Finally, free the core (containing the module structure) */
+ unset_module_core_ro_nx(mod);
+- module_free(mod, mod->module_core);
++ module_free_exec(mod, mod->module_core_rx);
++ module_free(mod, mod->module_core_rw);
+
+ #ifdef CONFIG_MPU
+ update_protections(current->mm);
+@@ -1899,9 +1904,31 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
+ int ret = 0;
+ const struct kernel_symbol *ksym;
+
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ int is_fs_load = 0;
++ int register_filesystem_found = 0;
++ char *p;
++
++ p = strstr(mod->args, "grsec_modharden_fs");
++ if (p) {
++ char *endptr = p + strlen("grsec_modharden_fs");
++ /* copy \0 as well */
++ memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1);
++ is_fs_load = 1;
++ }
++#endif
++
+ for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) {
+ const char *name = info->strtab + sym[i].st_name;
+
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ /* it's a real shame this will never get ripped and copied
++ upstream! ;(
++ */
++ if (is_fs_load && !strcmp(name, "register_filesystem"))
++ register_filesystem_found = 1;
++#endif
++
+ switch (sym[i].st_shndx) {
+ case SHN_COMMON:
+ /* We compiled with -fno-common. These are not
+@@ -1922,7 +1949,9 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
+ ksym = resolve_symbol_wait(mod, info, name);
+ /* Ok if resolved. */
+ if (ksym && !IS_ERR(ksym)) {
++ pax_open_kernel();
+ sym[i].st_value = ksym->value;
++ pax_close_kernel();
+ break;
+ }
+
+@@ -1941,11 +1970,20 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
+ secbase = (unsigned long)mod_percpu(mod);
+ else
+ secbase = info->sechdrs[sym[i].st_shndx].sh_addr;
++ pax_open_kernel();
+ sym[i].st_value += secbase;
++ pax_close_kernel();
+ break;
+ }
+ }
+
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ if (is_fs_load && !register_filesystem_found) {
++ printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name);
++ ret = -EPERM;
++ }
++#endif
++
+ return ret;
+ }
+
+@@ -2049,22 +2087,12 @@ static void layout_sections(struct module *mod, struct load_info *info)
+ || s->sh_entsize != ~0UL
+ || strstarts(sname, ".init"))
+ continue;
+- s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
++ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
++ s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i);
++ else
++ s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i);
+ pr_debug("\t%s\n", sname);
+ }
+- switch (m) {
+- case 0: /* executable */
+- mod->core_size = debug_align(mod->core_size);
+- mod->core_text_size = mod->core_size;
+- break;
+- case 1: /* RO: text and ro-data */
+- mod->core_size = debug_align(mod->core_size);
+- mod->core_ro_size = mod->core_size;
+- break;
+- case 3: /* whole core */
+- mod->core_size = debug_align(mod->core_size);
+- break;
+- }
+ }
+
+ pr_debug("Init section allocation order:\n");
+@@ -2078,23 +2106,13 @@ static void layout_sections(struct module *mod, struct load_info *info)
+ || s->sh_entsize != ~0UL
+ || !strstarts(sname, ".init"))
+ continue;
+- s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
+- | INIT_OFFSET_MASK);
++ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
++ s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i);
++ else
++ s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i);
++ s->sh_entsize |= INIT_OFFSET_MASK;
+ pr_debug("\t%s\n", sname);
+ }
+- switch (m) {
+- case 0: /* executable */
+- mod->init_size = debug_align(mod->init_size);
+- mod->init_text_size = mod->init_size;
+- break;
+- case 1: /* RO: text and ro-data */
+- mod->init_size = debug_align(mod->init_size);
+- mod->init_ro_size = mod->init_size;
+- break;
+- case 3: /* whole init */
+- mod->init_size = debug_align(mod->init_size);
+- break;
+- }
+ }
+ }
+
+@@ -2266,7 +2284,7 @@ static void layout_symtab(struct module *mod, struct load_info *info)
+
+ /* Put symbol section at end of init part of module. */
+ symsect->sh_flags |= SHF_ALLOC;
+- symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect,
++ symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect,
+ info->index.sym) | INIT_OFFSET_MASK;
+ pr_debug("\t%s\n", info->secstrings + symsect->sh_name);
+
+@@ -2281,13 +2299,13 @@ static void layout_symtab(struct module *mod, struct load_info *info)
+ }
+
+ /* Append room for core symbols at end of core part. */
+- info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1);
+- info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym);
+- mod->core_size += strtab_size;
++ info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1);
++ info->stroffs = mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym);
++ mod->core_size_rx += strtab_size;
+
+ /* Put string table section at end of init part of module. */
+ strsect->sh_flags |= SHF_ALLOC;
+- strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect,
++ strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect,
+ info->index.str) | INIT_OFFSET_MASK;
+ pr_debug("\t%s\n", info->secstrings + strsect->sh_name);
+ }
+@@ -2305,12 +2323,14 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
+ /* Make sure we get permanent strtab: don't use info->strtab. */
+ mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr;
+
++ pax_open_kernel();
++
+ /* Set types up while we still have access to sections. */
+ for (i = 0; i < mod->num_symtab; i++)
+ mod->symtab[i].st_info = elf_type(&mod->symtab[i], info);
+
+- mod->core_symtab = dst = mod->module_core + info->symoffs;
+- mod->core_strtab = s = mod->module_core + info->stroffs;
++ mod->core_symtab = dst = mod->module_core_rx + info->symoffs;
++ mod->core_strtab = s = mod->module_core_rx + info->stroffs;
+ src = mod->symtab;
+ *dst = *src;
+ *s++ = 0;
+@@ -2323,6 +2343,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
+ s += strlcpy(s, &mod->strtab[src->st_name], KSYM_NAME_LEN) + 1;
+ }
+ mod->core_num_syms = ndst;
++
++ pax_close_kernel();
+ }
+ #else
+ static inline void layout_symtab(struct module *mod, struct load_info *info)
+@@ -2356,17 +2378,33 @@ void * __weak module_alloc(unsigned long size)
+ return size == 0 ? NULL : vmalloc_exec(size);
+ }
+
+-static void *module_alloc_update_bounds(unsigned long size)
++static void *module_alloc_update_bounds_rw(unsigned long size)
+ {
+ void *ret = module_alloc(size);
+
+ if (ret) {
+ mutex_lock(&module_mutex);
+ /* Update module bounds. */
+- if ((unsigned long)ret < module_addr_min)
+- module_addr_min = (unsigned long)ret;
+- if ((unsigned long)ret + size > module_addr_max)
+- module_addr_max = (unsigned long)ret + size;
++ if ((unsigned long)ret < module_addr_min_rw)
++ module_addr_min_rw = (unsigned long)ret;
++ if ((unsigned long)ret + size > module_addr_max_rw)
++ module_addr_max_rw = (unsigned long)ret + size;
++ mutex_unlock(&module_mutex);
++ }
++ return ret;
++}
++
++static void *module_alloc_update_bounds_rx(unsigned long size)
++{
++ void *ret = module_alloc_exec(size);
++
++ if (ret) {
++ mutex_lock(&module_mutex);
++ /* Update module bounds. */
++ if ((unsigned long)ret < module_addr_min_rx)
++ module_addr_min_rx = (unsigned long)ret;
++ if ((unsigned long)ret + size > module_addr_max_rx)
++ module_addr_max_rx = (unsigned long)ret + size;
+ mutex_unlock(&module_mutex);
+ }
+ return ret;
+@@ -2544,8 +2582,14 @@ static struct module *setup_load_info(struct load_info *info)
+ static int check_modinfo(struct module *mod, struct load_info *info)
+ {
+ const char *modmagic = get_modinfo(info, "vermagic");
++ const char *license = get_modinfo(info, "license");
+ int err;
+
++#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
++ if (!license || !license_is_gpl_compatible(license))
++ return -ENOEXEC;
++#endif
++
+ /* This is allowed: modprobe --force will invalidate it. */
+ if (!modmagic) {
+ err = try_to_force_load(mod, "bad vermagic");
+@@ -2568,7 +2612,7 @@ static int check_modinfo(struct module *mod, struct load_info *info)
+ }
+
+ /* Set up license info based on the info section */
+- set_license(mod, get_modinfo(info, "license"));
++ set_license(mod, license);
+
+ return 0;
+ }
+@@ -2662,7 +2706,7 @@ static int move_module(struct module *mod, struct load_info *info)
+ void *ptr;
+
+ /* Do the allocs. */
+- ptr = module_alloc_update_bounds(mod->core_size);
++ ptr = module_alloc_update_bounds_rw(mod->core_size_rw);
+ /*
+ * The pointer to this block is stored in the module structure
+ * which is inside the block. Just mark it as not being a
+@@ -2672,23 +2716,50 @@ static int move_module(struct module *mod, struct load_info *info)
+ if (!ptr)
+ return -ENOMEM;
+
+- memset(ptr, 0, mod->core_size);
+- mod->module_core = ptr;
++ memset(ptr, 0, mod->core_size_rw);
++ mod->module_core_rw = ptr;
+
+- ptr = module_alloc_update_bounds(mod->init_size);
++ ptr = module_alloc_update_bounds_rw(mod->init_size_rw);
+ /*
+ * The pointer to this block is stored in the module structure
+ * which is inside the block. This block doesn't need to be
+ * scanned as it contains data and code that will be freed
+ * after the module is initialized.
+ */
+- kmemleak_ignore(ptr);
+- if (!ptr && mod->init_size) {
+- module_free(mod, mod->module_core);
++ kmemleak_not_leak(ptr);
++ if (!ptr && mod->init_size_rw) {
++ module_free(mod, mod->module_core_rw);
+ return -ENOMEM;
+ }
+- memset(ptr, 0, mod->init_size);
+- mod->module_init = ptr;
++ memset(ptr, 0, mod->init_size_rw);
++ mod->module_init_rw = ptr;
++
++ ptr = module_alloc_update_bounds_rx(mod->core_size_rx);
++ kmemleak_not_leak(ptr);
++ if (!ptr) {
++ module_free(mod, mod->module_init_rw);
++ module_free(mod, mod->module_core_rw);
++ return -ENOMEM;
++ }
++
++ pax_open_kernel();
++ memset(ptr, 0, mod->core_size_rx);
++ pax_close_kernel();
++ mod->module_core_rx = ptr;
++
++ ptr = module_alloc_update_bounds_rx(mod->init_size_rx);
++ kmemleak_not_leak(ptr);
++ if (!ptr && mod->init_size_rx) {
++ module_free_exec(mod, mod->module_core_rx);
++ module_free(mod, mod->module_init_rw);
++ module_free(mod, mod->module_core_rw);
++ return -ENOMEM;
++ }
++
++ pax_open_kernel();
++ memset(ptr, 0, mod->init_size_rx);
++ pax_close_kernel();
++ mod->module_init_rx = ptr;
+
+ /* Transfer each section which specifies SHF_ALLOC */
+ pr_debug("final section addresses:\n");
+@@ -2699,16 +2770,45 @@ static int move_module(struct module *mod, struct load_info *info)
+ if (!(shdr->sh_flags & SHF_ALLOC))
+ continue;
+
+- if (shdr->sh_entsize & INIT_OFFSET_MASK)
+- dest = mod->module_init
+- + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
+- else
+- dest = mod->module_core + shdr->sh_entsize;
++ if (shdr->sh_entsize & INIT_OFFSET_MASK) {
++ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
++ dest = mod->module_init_rw
++ + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
++ else
++ dest = mod->module_init_rx
++ + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
++ } else {
++ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
++ dest = mod->module_core_rw + shdr->sh_entsize;
++ else
++ dest = mod->module_core_rx + shdr->sh_entsize;
++ }
++
++ if (shdr->sh_type != SHT_NOBITS) {
++
++#ifdef CONFIG_PAX_KERNEXEC
++#ifdef CONFIG_X86_64
++ if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR))
++ set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT);
++#endif
++ if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) {
++ pax_open_kernel();
++ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
++ pax_close_kernel();
++ } else
++#endif
+
+- if (shdr->sh_type != SHT_NOBITS)
+ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
++ }
+ /* Update sh_addr to point to copy in image. */
+- shdr->sh_addr = (unsigned long)dest;
++
++#ifdef CONFIG_PAX_KERNEXEC
++ if (shdr->sh_flags & SHF_EXECINSTR)
++ shdr->sh_addr = ktva_ktla((unsigned long)dest);
++ else
++#endif
++
++ shdr->sh_addr = (unsigned long)dest;
+ pr_debug("\t0x%lx %s\n",
+ (long)shdr->sh_addr, info->secstrings + shdr->sh_name);
+ }
+@@ -2763,12 +2863,12 @@ static void flush_module_icache(const struct module *mod)
+ * Do it before processing of module parameters, so the module
+ * can provide parameter accessor functions of its own.
+ */
+- if (mod->module_init)
+- flush_icache_range((unsigned long)mod->module_init,
+- (unsigned long)mod->module_init
+- + mod->init_size);
+- flush_icache_range((unsigned long)mod->module_core,
+- (unsigned long)mod->module_core + mod->core_size);
++ if (mod->module_init_rx)
++ flush_icache_range((unsigned long)mod->module_init_rx,
++ (unsigned long)mod->module_init_rx
++ + mod->init_size_rx);
++ flush_icache_range((unsigned long)mod->module_core_rx,
++ (unsigned long)mod->module_core_rx + mod->core_size_rx);
+
+ set_fs(old_fs);
+ }
+@@ -2838,8 +2938,10 @@ out:
+ static void module_deallocate(struct module *mod, struct load_info *info)
+ {
+ percpu_modfree(mod);
+- module_free(mod, mod->module_init);
+- module_free(mod, mod->module_core);
++ module_free_exec(mod, mod->module_init_rx);
++ module_free_exec(mod, mod->module_core_rx);
++ module_free(mod, mod->module_init_rw);
++ module_free(mod, mod->module_core_rw);
+ }
+
+ int __weak module_finalize(const Elf_Ehdr *hdr,
+@@ -2852,7 +2954,9 @@ int __weak module_finalize(const Elf_Ehdr *hdr,
+ static int post_relocation(struct module *mod, const struct load_info *info)
+ {
+ /* Sort exception table now relocations are done. */
++ pax_open_kernel();
+ sort_extable(mod->extable, mod->extable + mod->num_exentries);
++ pax_close_kernel();
+
+ /* Copy relocated percpu area over. */
+ percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr,
+@@ -2903,9 +3007,38 @@ static struct module *load_module(void __user *umod,
+ if (err)
+ goto free_unload;
+
++ /* Now copy in args */
++ mod->args = strndup_user(uargs, ~0UL >> 1);
++ if (IS_ERR(mod->args)) {
++ err = PTR_ERR(mod->args);
++ goto free_unload;
++ }
++
+ /* Set up MODINFO_ATTR fields */
+ setup_modinfo(mod, &info);
+
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ {
++ char *p, *p2;
++
++ if (strstr(mod->args, "grsec_modharden_netdev")) {
++ printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name);
++ err = -EPERM;
++ goto free_modinfo;
++ } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) {
++ p += strlen("grsec_modharden_normal");
++ p2 = strstr(p, "_");
++ if (p2) {
++ *p2 = '\0';
++ printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p);
++ *p2 = '_';
++ }
++ err = -EPERM;
++ goto free_modinfo;
++ }
++ }
++#endif
++
+ /* Fix up syms, so that st_value is a pointer to location. */
+ err = simplify_symbols(mod, &info);
+ if (err < 0)
+@@ -2921,13 +3054,6 @@ static struct module *load_module(void __user *umod,
+
+ flush_module_icache(mod);
+
+- /* Now copy in args */
+- mod->args = strndup_user(uargs, ~0UL >> 1);
+- if (IS_ERR(mod->args)) {
+- err = PTR_ERR(mod->args);
+- goto free_arch_cleanup;
+- }
+-
+ /* Mark state as coming so strong_try_module_get() ignores us. */
+ mod->state = MODULE_STATE_COMING;
+
+@@ -2985,11 +3111,10 @@ static struct module *load_module(void __user *umod,
+ unlock:
+ mutex_unlock(&module_mutex);
+ synchronize_sched();
+- kfree(mod->args);
+- free_arch_cleanup:
+ module_arch_cleanup(mod);
+ free_modinfo:
+ free_modinfo(mod);
++ kfree(mod->args);
+ free_unload:
+ module_unload_free(mod);
+ free_module:
+@@ -3030,16 +3155,16 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
+ MODULE_STATE_COMING, mod);
+
+ /* Set RO and NX regions for core */
+- set_section_ro_nx(mod->module_core,
+- mod->core_text_size,
+- mod->core_ro_size,
+- mod->core_size);
++ set_section_ro_nx(mod->module_core_rx,
++ mod->core_size_rx,
++ mod->core_size_rx,
++ mod->core_size_rx);
+
+ /* Set RO and NX regions for init */
+- set_section_ro_nx(mod->module_init,
+- mod->init_text_size,
+- mod->init_ro_size,
+- mod->init_size);
++ set_section_ro_nx(mod->module_init_rx,
++ mod->init_size_rx,
++ mod->init_size_rx,
++ mod->init_size_rx);
+
+ do_mod_ctors(mod);
+ /* Start the module */
+@@ -3085,11 +3210,12 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
+ mod->strtab = mod->core_strtab;
+ #endif
+ unset_module_init_ro_nx(mod);
+- module_free(mod, mod->module_init);
+- mod->module_init = NULL;
+- mod->init_size = 0;
+- mod->init_ro_size = 0;
+- mod->init_text_size = 0;
++ module_free(mod, mod->module_init_rw);
++ module_free_exec(mod, mod->module_init_rx);
++ mod->module_init_rw = NULL;
++ mod->module_init_rx = NULL;
++ mod->init_size_rw = 0;
++ mod->init_size_rx = 0;
+ mutex_unlock(&module_mutex);
+
+ return 0;
+@@ -3120,10 +3246,16 @@ static const char *get_ksymbol(struct module *mod,
+ unsigned long nextval;
+
+ /* At worse, next value is at end of module */
+- if (within_module_init(addr, mod))
+- nextval = (unsigned long)mod->module_init+mod->init_text_size;
++ if (within_module_init_rx(addr, mod))
++ nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx;
++ else if (within_module_init_rw(addr, mod))
++ nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw;
++ else if (within_module_core_rx(addr, mod))
++ nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx;
++ else if (within_module_core_rw(addr, mod))
++ nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw;
+ else
+- nextval = (unsigned long)mod->module_core+mod->core_text_size;
++ return NULL;
+
+ /* Scan for closest preceding symbol, and next symbol. (ELF
+ starts real symbols at 1). */
+@@ -3358,7 +3490,7 @@ static int m_show(struct seq_file *m, void *p)
+ char buf[8];
+
+ seq_printf(m, "%s %u",
+- mod->name, mod->init_size + mod->core_size);
++ mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw);
+ print_unload_info(m, mod);
+
+ /* Informative for users. */
+@@ -3367,7 +3499,7 @@ static int m_show(struct seq_file *m, void *p)
+ mod->state == MODULE_STATE_COMING ? "Loading":
+ "Live");
+ /* Used by oprofile and other similar tools. */
+- seq_printf(m, " 0x%pK", mod->module_core);
++ seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw);
+
+ /* Taints info */
+ if (mod->taints)
+@@ -3403,7 +3535,17 @@ static const struct file_operations proc_modules_operations = {
+
+ static int __init proc_modules_init(void)
+ {
++#ifndef CONFIG_GRKERNSEC_HIDESYM
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations);
++#else
+ proc_create("modules", 0, NULL, &proc_modules_operations);
++#endif
++#else
++ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
++#endif
+ return 0;
+ }
+ module_init(proc_modules_init);
+@@ -3462,12 +3604,12 @@ struct module *__module_address(unsigned long addr)
+ {
+ struct module *mod;
+
+- if (addr < module_addr_min || addr > module_addr_max)
++ if ((addr < module_addr_min_rx || addr > module_addr_max_rx) &&
++ (addr < module_addr_min_rw || addr > module_addr_max_rw))
+ return NULL;
+
+ list_for_each_entry_rcu(mod, &modules, list)
+- if (within_module_core(addr, mod)
+- || within_module_init(addr, mod))
++ if (within_module_init(addr, mod) || within_module_core(addr, mod))
+ return mod;
+ return NULL;
+ }
+@@ -3501,11 +3643,20 @@ bool is_module_text_address(unsigned long addr)
+ */
+ struct module *__module_text_address(unsigned long addr)
+ {
+- struct module *mod = __module_address(addr);
++ struct module *mod;
++
++#ifdef CONFIG_X86_32
++ addr = ktla_ktva(addr);
++#endif
++
++ if (addr < module_addr_min_rx || addr > module_addr_max_rx)
++ return NULL;
++
++ mod = __module_address(addr);
++
+ if (mod) {
+ /* Make sure it's within the text section. */
+- if (!within(addr, mod->module_init, mod->init_text_size)
+- && !within(addr, mod->module_core, mod->core_text_size))
++ if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod))
+ mod = NULL;
+ }
+ return mod;
+diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c
+index 7e3443f..b2a1e6b 100644
+--- a/kernel/mutex-debug.c
++++ b/kernel/mutex-debug.c
+@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter)
+ }
+
+ void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
+- struct thread_info *ti)
++ struct task_struct *task)
+ {
+ SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock));
+
+ /* Mark the current thread as blocked on the lock: */
+- ti->task->blocked_on = waiter;
++ task->blocked_on = waiter;
+ }
+
+ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
+- struct thread_info *ti)
++ struct task_struct *task)
+ {
+ DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list));
+- DEBUG_LOCKS_WARN_ON(waiter->task != ti->task);
+- DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter);
+- ti->task->blocked_on = NULL;
++ DEBUG_LOCKS_WARN_ON(waiter->task != task);
++ DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter);
++ task->blocked_on = NULL;
+
+ list_del_init(&waiter->list);
+ waiter->task = NULL;
+diff --git a/kernel/mutex-debug.h b/kernel/mutex-debug.h
+index 0799fd3..d06ae3b 100644
+--- a/kernel/mutex-debug.h
++++ b/kernel/mutex-debug.h
+@@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock,
+ extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
+ extern void debug_mutex_add_waiter(struct mutex *lock,
+ struct mutex_waiter *waiter,
+- struct thread_info *ti);
++ struct task_struct *task);
+ extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
+- struct thread_info *ti);
++ struct task_struct *task);
+ extern void debug_mutex_unlock(struct mutex *lock);
+ extern void debug_mutex_init(struct mutex *lock, const char *name,
+ struct lock_class_key *key);
+diff --git a/kernel/mutex.c b/kernel/mutex.c
+index a307cc9..27fd2e9 100644
+--- a/kernel/mutex.c
++++ b/kernel/mutex.c
+@@ -198,7 +198,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
+ spin_lock_mutex(&lock->wait_lock, flags);
+
+ debug_mutex_lock_common(lock, &waiter);
+- debug_mutex_add_waiter(lock, &waiter, task_thread_info(task));
++ debug_mutex_add_waiter(lock, &waiter, task);
+
+ /* add waiting tasks to the end of the waitqueue (FIFO): */
+ list_add_tail(&waiter.list, &lock->wait_list);
+@@ -227,8 +227,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
+ * TASK_UNINTERRUPTIBLE case.)
+ */
+ if (unlikely(signal_pending_state(state, task))) {
+- mutex_remove_waiter(lock, &waiter,
+- task_thread_info(task));
++ mutex_remove_waiter(lock, &waiter, task);
+ mutex_release(&lock->dep_map, 1, ip);
+ spin_unlock_mutex(&lock->wait_lock, flags);
+
+@@ -247,7 +246,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
+ done:
+ lock_acquired(&lock->dep_map, ip);
+ /* got the lock - rejoice! */
+- mutex_remove_waiter(lock, &waiter, current_thread_info());
++ mutex_remove_waiter(lock, &waiter, task);
+ mutex_set_owner(lock);
+
+ /* set it to 0 if there are no waiters left: */
+diff --git a/kernel/panic.c b/kernel/panic.c
+index e1b2822..5edc1d9 100644
+--- a/kernel/panic.c
++++ b/kernel/panic.c
+@@ -410,7 +410,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller,
+ const char *board;
+
+ printk(KERN_WARNING "------------[ cut here ]------------\n");
+- printk(KERN_WARNING "WARNING: at %s:%d %pS()\n", file, line, caller);
++ printk(KERN_WARNING "WARNING: at %s:%d %pA()\n", file, line, caller);
+ board = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (board)
+ printk(KERN_WARNING "Hardware name: %s\n", board);
+@@ -465,7 +465,8 @@ EXPORT_SYMBOL(warn_slowpath_null);
+ */
+ void __stack_chk_fail(void)
+ {
+- panic("stack-protector: Kernel stack is corrupted in: %p\n",
++ dump_stack();
++ panic("stack-protector: Kernel stack is corrupted in: %pA\n",
+ __builtin_return_address(0));
+ }
+ EXPORT_SYMBOL(__stack_chk_fail);
+diff --git a/kernel/pid.c b/kernel/pid.c
+index e86b291a..e8b0fb5 100644
+--- a/kernel/pid.c
++++ b/kernel/pid.c
+@@ -33,6 +33,7 @@
+ #include <linux/rculist.h>
+ #include <linux/bootmem.h>
+ #include <linux/hash.h>
++#include <linux/security.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/init_task.h>
+ #include <linux/syscalls.h>
+@@ -45,7 +46,7 @@ struct pid init_struct_pid = INIT_STRUCT_PID;
+
+ int pid_max = PID_MAX_DEFAULT;
+
+-#define RESERVED_PIDS 300
++#define RESERVED_PIDS 500
+
+ int pid_max_min = RESERVED_PIDS + 1;
+ int pid_max_max = PID_MAX_LIMIT;
+@@ -420,10 +421,18 @@ EXPORT_SYMBOL(pid_task);
+ */
+ struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
+ {
++ struct task_struct *task;
++
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
+- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++
++ task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++
++ if (gr_pid_is_chrooted(task))
++ return NULL;
++
++ return task;
+ }
+
+ struct task_struct *find_task_by_vpid(pid_t vnr)
+@@ -431,6 +440,14 @@ struct task_struct *find_task_by_vpid(pid_t vnr)
+ return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns);
+ }
+
++struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr)
++{
++ rcu_lockdep_assert(rcu_read_lock_held(),
++ "find_task_by_pid_ns() needs rcu_read_lock()"
++ " protection");
++ return pid_task(find_pid_ns(vnr, current->nsproxy->pid_ns), PIDTYPE_PID);
++}
++
+ struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
+ {
+ struct pid *pid;
+diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
+index 125cb67..a4d1c30 100644
+--- a/kernel/posix-cpu-timers.c
++++ b/kernel/posix-cpu-timers.c
+@@ -6,6 +6,7 @@
+ #include <linux/posix-timers.h>
+ #include <linux/errno.h>
+ #include <linux/math64.h>
++#include <linux/security.h>
+ #include <asm/uaccess.h>
+ #include <linux/kernel_stat.h>
+ #include <trace/events/timer.h>
+@@ -1578,14 +1579,14 @@ struct k_clock clock_posix_cpu = {
+
+ static __init int init_posix_cpu_timers(void)
+ {
+- struct k_clock process = {
++ static struct k_clock process = {
+ .clock_getres = process_cpu_clock_getres,
+ .clock_get = process_cpu_clock_get,
+ .timer_create = process_cpu_timer_create,
+ .nsleep = process_cpu_nsleep,
+ .nsleep_restart = process_cpu_nsleep_restart,
+ };
+- struct k_clock thread = {
++ static struct k_clock thread = {
+ .clock_getres = thread_cpu_clock_getres,
+ .clock_get = thread_cpu_clock_get,
+ .timer_create = thread_cpu_timer_create,
+diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
+index 69185ae..cc2847a 100644
+--- a/kernel/posix-timers.c
++++ b/kernel/posix-timers.c
+@@ -43,6 +43,7 @@
+ #include <linux/idr.h>
+ #include <linux/posix-clock.h>
+ #include <linux/posix-timers.h>
++#include <linux/grsecurity.h>
+ #include <linux/syscalls.h>
+ #include <linux/wait.h>
+ #include <linux/workqueue.h>
+@@ -129,7 +130,7 @@ static DEFINE_SPINLOCK(idr_lock);
+ * which we beg off on and pass to do_sys_settimeofday().
+ */
+
+-static struct k_clock posix_clocks[MAX_CLOCKS];
++static struct k_clock *posix_clocks[MAX_CLOCKS];
+
+ /*
+ * These ones are defined below.
+@@ -227,7 +228,7 @@ static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp)
+ */
+ static __init int init_posix_timers(void)
+ {
+- struct k_clock clock_realtime = {
++ static struct k_clock clock_realtime = {
+ .clock_getres = hrtimer_get_res,
+ .clock_get = posix_clock_realtime_get,
+ .clock_set = posix_clock_realtime_set,
+@@ -239,7 +240,7 @@ static __init int init_posix_timers(void)
+ .timer_get = common_timer_get,
+ .timer_del = common_timer_del,
+ };
+- struct k_clock clock_monotonic = {
++ static struct k_clock clock_monotonic = {
+ .clock_getres = hrtimer_get_res,
+ .clock_get = posix_ktime_get_ts,
+ .nsleep = common_nsleep,
+@@ -249,19 +250,19 @@ static __init int init_posix_timers(void)
+ .timer_get = common_timer_get,
+ .timer_del = common_timer_del,
+ };
+- struct k_clock clock_monotonic_raw = {
++ static struct k_clock clock_monotonic_raw = {
+ .clock_getres = hrtimer_get_res,
+ .clock_get = posix_get_monotonic_raw,
+ };
+- struct k_clock clock_realtime_coarse = {
++ static struct k_clock clock_realtime_coarse = {
+ .clock_getres = posix_get_coarse_res,
+ .clock_get = posix_get_realtime_coarse,
+ };
+- struct k_clock clock_monotonic_coarse = {
++ static struct k_clock clock_monotonic_coarse = {
+ .clock_getres = posix_get_coarse_res,
+ .clock_get = posix_get_monotonic_coarse,
+ };
+- struct k_clock clock_boottime = {
++ static struct k_clock clock_boottime = {
+ .clock_getres = hrtimer_get_res,
+ .clock_get = posix_get_boottime,
+ .nsleep = common_nsleep,
+@@ -473,7 +474,7 @@ void posix_timers_register_clock(const clockid_t clock_id,
+ return;
+ }
+
+- posix_clocks[clock_id] = *new_clock;
++ posix_clocks[clock_id] = new_clock;
+ }
+ EXPORT_SYMBOL_GPL(posix_timers_register_clock);
+
+@@ -519,9 +520,9 @@ static struct k_clock *clockid_to_kclock(const clockid_t id)
+ return (id & CLOCKFD_MASK) == CLOCKFD ?
+ &clock_posix_dynamic : &clock_posix_cpu;
+
+- if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres)
++ if (id >= MAX_CLOCKS || !posix_clocks[id] || !posix_clocks[id]->clock_getres)
+ return NULL;
+- return &posix_clocks[id];
++ return posix_clocks[id];
+ }
+
+ static int common_timer_create(struct k_itimer *new_timer)
+@@ -959,6 +960,13 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
+ if (copy_from_user(&new_tp, tp, sizeof (*tp)))
+ return -EFAULT;
+
++ /* only the CLOCK_REALTIME clock can be set, all other clocks
++ have their clock_set fptr set to a nosettime dummy function
++ CLOCK_REALTIME has a NULL clock_set fptr which causes it to
++ call common_clock_set, which calls do_sys_settimeofday, which
++ we hook
++ */
++
+ return kc->clock_set(which_clock, &new_tp);
+ }
+
+diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c
+index d523593..68197a4 100644
+--- a/kernel/power/poweroff.c
++++ b/kernel/power/poweroff.c
+@@ -37,7 +37,7 @@ static struct sysrq_key_op sysrq_poweroff_op = {
+ .enable_mask = SYSRQ_ENABLE_BOOT,
+ };
+
+-static int pm_sysrq_init(void)
++static int __init pm_sysrq_init(void)
+ {
+ register_sysrq_key('o', &sysrq_poweroff_op);
+ return 0;
+diff --git a/kernel/power/process.c b/kernel/power/process.c
+index 19db29f..33b52b6 100644
+--- a/kernel/power/process.c
++++ b/kernel/power/process.c
+@@ -33,6 +33,7 @@ static int try_to_freeze_tasks(bool user_only)
+ u64 elapsed_csecs64;
+ unsigned int elapsed_csecs;
+ bool wakeup = false;
++ bool timedout = false;
+
+ do_gettimeofday(&start);
+
+@@ -43,6 +44,8 @@ static int try_to_freeze_tasks(bool user_only)
+
+ while (true) {
+ todo = 0;
++ if (time_after(jiffies, end_time))
++ timedout = true;
+ read_lock(&tasklist_lock);
+ do_each_thread(g, p) {
+ if (p == current || !freeze_task(p))
+@@ -58,9 +61,13 @@ static int try_to_freeze_tasks(bool user_only)
+ * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING
+ * transition can't race with task state testing here.
+ */
+- if (!task_is_stopped_or_traced(p) &&
+- !freezer_should_skip(p))
++ if (!task_is_stopped_or_traced(p) && !freezer_should_skip(p)) {
+ todo++;
++ if (timedout) {
++ printk(KERN_ERR "Task refusing to freeze:\n");
++ sched_show_task(p);
++ }
++ }
+ } while_each_thread(g, p);
+ read_unlock(&tasklist_lock);
+
+@@ -69,7 +76,7 @@ static int try_to_freeze_tasks(bool user_only)
+ todo += wq_busy;
+ }
+
+- if (!todo || time_after(jiffies, end_time))
++ if (!todo || timedout)
+ break;
+
+ if (pm_wakeup_pending()) {
+diff --git a/kernel/printk.c b/kernel/printk.c
+index 66a2ea3..10f3a01 100644
+--- a/kernel/printk.c
++++ b/kernel/printk.c
+@@ -817,6 +817,11 @@ static int check_syslog_permissions(int type, bool from_file)
+ if (from_file && type != SYSLOG_ACTION_OPEN)
+ return 0;
+
++#ifdef CONFIG_GRKERNSEC_DMESG
++ if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN))
++ return -EPERM;
++#endif
++
+ if (syslog_action_restricted(type)) {
+ if (capable(CAP_SYSLOG))
+ return 0;
+diff --git a/kernel/profile.c b/kernel/profile.c
+index 76b8e77..a2930e8 100644
+--- a/kernel/profile.c
++++ b/kernel/profile.c
+@@ -39,7 +39,7 @@ struct profile_hit {
+ /* Oprofile timer tick hook */
+ static int (*timer_hook)(struct pt_regs *) __read_mostly;
+
+-static atomic_t *prof_buffer;
++static atomic_unchecked_t *prof_buffer;
+ static unsigned long prof_len, prof_shift;
+
+ int prof_on __read_mostly;
+@@ -281,7 +281,7 @@ static void profile_flip_buffers(void)
+ hits[i].pc = 0;
+ continue;
+ }
+- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
++ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
+ hits[i].hits = hits[i].pc = 0;
+ }
+ }
+@@ -342,9 +342,9 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
+ * Add the current hit(s) and flush the write-queue out
+ * to the global buffer:
+ */
+- atomic_add(nr_hits, &prof_buffer[pc]);
++ atomic_add_unchecked(nr_hits, &prof_buffer[pc]);
+ for (i = 0; i < NR_PROFILE_HIT; ++i) {
+- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
++ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
+ hits[i].pc = hits[i].hits = 0;
+ }
+ out:
+@@ -419,7 +419,7 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
+ {
+ unsigned long pc;
+ pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift;
+- atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
++ atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
+ }
+ #endif /* !CONFIG_SMP */
+
+@@ -517,7 +517,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
+ return -EFAULT;
+ buf++; p++; count--; read++;
+ }
+- pnt = (char *)prof_buffer + p - sizeof(atomic_t);
++ pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t);
+ if (copy_to_user(buf, (void *)pnt, count))
+ return -EFAULT;
+ read += count;
+@@ -548,7 +548,7 @@ static ssize_t write_profile(struct file *file, const char __user *buf,
+ }
+ #endif
+ profile_discard_flip_buffers();
+- memset(prof_buffer, 0, prof_len * sizeof(atomic_t));
++ memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t));
+ return count;
+ }
+
+diff --git a/kernel/ptrace.c b/kernel/ptrace.c
+index a232bb5..2a65ef9 100644
+--- a/kernel/ptrace.c
++++ b/kernel/ptrace.c
+@@ -279,7 +279,7 @@ static int ptrace_attach(struct task_struct *task, long request,
+
+ if (seize)
+ flags |= PT_SEIZED;
+- if (ns_capable(task_user_ns(task), CAP_SYS_PTRACE))
++ if (ns_capable_nolog(task_user_ns(task), CAP_SYS_PTRACE))
+ flags |= PT_PTRACE_CAP;
+ task->ptrace = flags;
+
+@@ -486,7 +486,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst
+ break;
+ return -EIO;
+ }
+- if (copy_to_user(dst, buf, retval))
++ if (retval > sizeof(buf) || copy_to_user(dst, buf, retval))
+ return -EFAULT;
+ copied += retval;
+ src += retval;
+@@ -671,7 +671,7 @@ int ptrace_request(struct task_struct *child, long request,
+ bool seized = child->ptrace & PT_SEIZED;
+ int ret = -EIO;
+ siginfo_t siginfo, *si;
+- void __user *datavp = (void __user *) data;
++ void __user *datavp = (__force void __user *) data;
+ unsigned long __user *datalp = datavp;
+ unsigned long flags;
+
+@@ -873,14 +873,21 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
+ goto out;
+ }
+
++ if (gr_handle_ptrace(child, request)) {
++ ret = -EPERM;
++ goto out_put_task_struct;
++ }
++
+ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
+ ret = ptrace_attach(child, request, addr, data);
+ /*
+ * Some architectures need to do book-keeping after
+ * a ptrace attach.
+ */
+- if (!ret)
++ if (!ret) {
+ arch_ptrace_attach(child);
++ gr_audit_ptrace(child);
++ }
+ goto out_put_task_struct;
+ }
+
+@@ -906,7 +913,7 @@ int generic_ptrace_peekdata(struct task_struct *tsk, unsigned long addr,
+ copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0);
+ if (copied != sizeof(tmp))
+ return -EIO;
+- return put_user(tmp, (unsigned long __user *)data);
++ return put_user(tmp, (__force unsigned long __user *)data);
+ }
+
+ int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr,
+@@ -1016,14 +1023,21 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
+ goto out;
+ }
+
++ if (gr_handle_ptrace(child, request)) {
++ ret = -EPERM;
++ goto out_put_task_struct;
++ }
++
+ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
+ ret = ptrace_attach(child, request, addr, data);
+ /*
+ * Some architectures need to do book-keeping after
+ * a ptrace attach.
+ */
+- if (!ret)
++ if (!ret) {
+ arch_ptrace_attach(child);
++ gr_audit_ptrace(child);
++ }
+ goto out_put_task_struct;
+ }
+
+diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
+index 547b1fe..65e874e 100644
+--- a/kernel/rcutiny.c
++++ b/kernel/rcutiny.c
+@@ -46,7 +46,7 @@
+ struct rcu_ctrlblk;
+ static void invoke_rcu_callbacks(void);
+ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp);
+-static void rcu_process_callbacks(struct softirq_action *unused);
++static void rcu_process_callbacks(void);
+ static void __call_rcu(struct rcu_head *head,
+ void (*func)(struct rcu_head *rcu),
+ struct rcu_ctrlblk *rcp);
+@@ -307,7 +307,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
+ rcu_is_callbacks_kthread()));
+ }
+
+-static void rcu_process_callbacks(struct softirq_action *unused)
++static void rcu_process_callbacks(void)
+ {
+ __rcu_process_callbacks(&rcu_sched_ctrlblk);
+ __rcu_process_callbacks(&rcu_bh_ctrlblk);
+diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
+index 918fd1e..85089bb 100644
+--- a/kernel/rcutiny_plugin.h
++++ b/kernel/rcutiny_plugin.h
+@@ -893,7 +893,7 @@ static int rcu_kthread(void *arg)
+ have_rcu_kthread_work = morework;
+ local_irq_restore(flags);
+ if (work)
+- rcu_process_callbacks(NULL);
++ rcu_process_callbacks();
+ schedule_timeout_interruptible(1); /* Leave CPU for others. */
+ }
+
+diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
+index 25b1503..1988a74 100644
+--- a/kernel/rcutorture.c
++++ b/kernel/rcutorture.c
+@@ -162,12 +162,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_count) =
+ { 0 };
+ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_batch) =
+ { 0 };
+-static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
+-static atomic_t n_rcu_torture_alloc;
+-static atomic_t n_rcu_torture_alloc_fail;
+-static atomic_t n_rcu_torture_free;
+-static atomic_t n_rcu_torture_mberror;
+-static atomic_t n_rcu_torture_error;
++static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
++static atomic_unchecked_t n_rcu_torture_alloc;
++static atomic_unchecked_t n_rcu_torture_alloc_fail;
++static atomic_unchecked_t n_rcu_torture_free;
++static atomic_unchecked_t n_rcu_torture_mberror;
++static atomic_unchecked_t n_rcu_torture_error;
+ static long n_rcu_torture_barrier_error;
+ static long n_rcu_torture_boost_ktrerror;
+ static long n_rcu_torture_boost_rterror;
+@@ -265,11 +265,11 @@ rcu_torture_alloc(void)
+
+ spin_lock_bh(&rcu_torture_lock);
+ if (list_empty(&rcu_torture_freelist)) {
+- atomic_inc(&n_rcu_torture_alloc_fail);
++ atomic_inc_unchecked(&n_rcu_torture_alloc_fail);
+ spin_unlock_bh(&rcu_torture_lock);
+ return NULL;
+ }
+- atomic_inc(&n_rcu_torture_alloc);
++ atomic_inc_unchecked(&n_rcu_torture_alloc);
+ p = rcu_torture_freelist.next;
+ list_del_init(p);
+ spin_unlock_bh(&rcu_torture_lock);
+@@ -282,7 +282,7 @@ rcu_torture_alloc(void)
+ static void
+ rcu_torture_free(struct rcu_torture *p)
+ {
+- atomic_inc(&n_rcu_torture_free);
++ atomic_inc_unchecked(&n_rcu_torture_free);
+ spin_lock_bh(&rcu_torture_lock);
+ list_add_tail(&p->rtort_free, &rcu_torture_freelist);
+ spin_unlock_bh(&rcu_torture_lock);
+@@ -403,7 +403,7 @@ rcu_torture_cb(struct rcu_head *p)
+ i = rp->rtort_pipe_count;
+ if (i > RCU_TORTURE_PIPE_LEN)
+ i = RCU_TORTURE_PIPE_LEN;
+- atomic_inc(&rcu_torture_wcount[i]);
++ atomic_inc_unchecked(&rcu_torture_wcount[i]);
+ if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) {
+ rp->rtort_mbtest = 0;
+ rcu_torture_free(rp);
+@@ -452,7 +452,7 @@ static void rcu_sync_torture_deferred_free(struct rcu_torture *p)
+ i = rp->rtort_pipe_count;
+ if (i > RCU_TORTURE_PIPE_LEN)
+ i = RCU_TORTURE_PIPE_LEN;
+- atomic_inc(&rcu_torture_wcount[i]);
++ atomic_inc_unchecked(&rcu_torture_wcount[i]);
+ if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) {
+ rp->rtort_mbtest = 0;
+ list_del(&rp->rtort_free);
+@@ -995,7 +995,7 @@ rcu_torture_writer(void *arg)
+ i = old_rp->rtort_pipe_count;
+ if (i > RCU_TORTURE_PIPE_LEN)
+ i = RCU_TORTURE_PIPE_LEN;
+- atomic_inc(&rcu_torture_wcount[i]);
++ atomic_inc_unchecked(&rcu_torture_wcount[i]);
+ old_rp->rtort_pipe_count++;
+ cur_ops->deferred_free(old_rp);
+ }
+@@ -1080,7 +1080,7 @@ static void rcu_torture_timer(unsigned long unused)
+ }
+ do_trace_rcu_torture_read(cur_ops->name, &p->rtort_rcu);
+ if (p->rtort_mbtest == 0)
+- atomic_inc(&n_rcu_torture_mberror);
++ atomic_inc_unchecked(&n_rcu_torture_mberror);
+ spin_lock(&rand_lock);
+ cur_ops->read_delay(&rand);
+ n_rcu_torture_timers++;
+@@ -1144,7 +1144,7 @@ rcu_torture_reader(void *arg)
+ }
+ do_trace_rcu_torture_read(cur_ops->name, &p->rtort_rcu);
+ if (p->rtort_mbtest == 0)
+- atomic_inc(&n_rcu_torture_mberror);
++ atomic_inc_unchecked(&n_rcu_torture_mberror);
+ cur_ops->read_delay(&rand);
+ preempt_disable();
+ pipe_count = p->rtort_pipe_count;
+@@ -1203,11 +1203,11 @@ rcu_torture_printk(char *page)
+ rcu_torture_current,
+ rcu_torture_current_version,
+ list_empty(&rcu_torture_freelist),
+- atomic_read(&n_rcu_torture_alloc),
+- atomic_read(&n_rcu_torture_alloc_fail),
+- atomic_read(&n_rcu_torture_free));
++ atomic_read_unchecked(&n_rcu_torture_alloc),
++ atomic_read_unchecked(&n_rcu_torture_alloc_fail),
++ atomic_read_unchecked(&n_rcu_torture_free));
+ cnt += sprintf(&page[cnt], "rtmbe: %d rtbke: %ld rtbre: %ld ",
+- atomic_read(&n_rcu_torture_mberror),
++ atomic_read_unchecked(&n_rcu_torture_mberror),
+ n_rcu_torture_boost_ktrerror,
+ n_rcu_torture_boost_rterror);
+ cnt += sprintf(&page[cnt], "rtbf: %ld rtb: %ld nt: %ld ",
+@@ -1224,14 +1224,14 @@ rcu_torture_printk(char *page)
+ n_barrier_attempts,
+ n_rcu_torture_barrier_error);
+ cnt += sprintf(&page[cnt], "\n%s%s ", torture_type, TORTURE_FLAG);
+- if (atomic_read(&n_rcu_torture_mberror) != 0 ||
++ if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 ||
+ n_rcu_torture_barrier_error != 0 ||
+ n_rcu_torture_boost_ktrerror != 0 ||
+ n_rcu_torture_boost_rterror != 0 ||
+ n_rcu_torture_boost_failure != 0 ||
+ i > 1) {
+ cnt += sprintf(&page[cnt], "!!! ");
+- atomic_inc(&n_rcu_torture_error);
++ atomic_inc_unchecked(&n_rcu_torture_error);
+ WARN_ON_ONCE(1);
+ }
+ cnt += sprintf(&page[cnt], "Reader Pipe: ");
+@@ -1245,7 +1245,7 @@ rcu_torture_printk(char *page)
+ cnt += sprintf(&page[cnt], "Free-Block Circulation: ");
+ for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
+ cnt += sprintf(&page[cnt], " %d",
+- atomic_read(&rcu_torture_wcount[i]));
++ atomic_read_unchecked(&rcu_torture_wcount[i]));
+ }
+ cnt += sprintf(&page[cnt], "\n");
+ if (cur_ops->stats)
+@@ -1905,7 +1905,7 @@ rcu_torture_cleanup(void)
+
+ if (cur_ops->cleanup)
+ cur_ops->cleanup();
+- if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
++ if (atomic_read_unchecked(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
+ rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE");
+ else if (n_online_successes != n_online_attempts ||
+ n_offline_successes != n_offline_attempts)
+@@ -1974,18 +1974,18 @@ rcu_torture_init(void)
+
+ rcu_torture_current = NULL;
+ rcu_torture_current_version = 0;
+- atomic_set(&n_rcu_torture_alloc, 0);
+- atomic_set(&n_rcu_torture_alloc_fail, 0);
+- atomic_set(&n_rcu_torture_free, 0);
+- atomic_set(&n_rcu_torture_mberror, 0);
+- atomic_set(&n_rcu_torture_error, 0);
++ atomic_set_unchecked(&n_rcu_torture_alloc, 0);
++ atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0);
++ atomic_set_unchecked(&n_rcu_torture_free, 0);
++ atomic_set_unchecked(&n_rcu_torture_mberror, 0);
++ atomic_set_unchecked(&n_rcu_torture_error, 0);
+ n_rcu_torture_barrier_error = 0;
+ n_rcu_torture_boost_ktrerror = 0;
+ n_rcu_torture_boost_rterror = 0;
+ n_rcu_torture_boost_failure = 0;
+ n_rcu_torture_boosts = 0;
+ for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++)
+- atomic_set(&rcu_torture_wcount[i], 0);
++ atomic_set_unchecked(&rcu_torture_wcount[i], 0);
+ for_each_possible_cpu(cpu) {
+ for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
+ per_cpu(rcu_torture_count, cpu)[i] = 0;
+diff --git a/kernel/rcutree.c b/kernel/rcutree.c
+index f7bcd9e..8973e14 100644
+--- a/kernel/rcutree.c
++++ b/kernel/rcutree.c
+@@ -369,9 +369,9 @@ static void rcu_idle_enter_common(struct rcu_dynticks *rdtp, long long oldval)
+ rcu_prepare_for_idle(smp_processor_id());
+ /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
+ smp_mb__before_atomic_inc(); /* See above. */
+- atomic_inc(&rdtp->dynticks);
++ atomic_inc_unchecked(&rdtp->dynticks);
+ smp_mb__after_atomic_inc(); /* Force ordering with next sojourn. */
+- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
++ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
+
+ /*
+ * The idle task is not permitted to enter the idle loop while
+@@ -460,10 +460,10 @@ void rcu_irq_exit(void)
+ static void rcu_idle_exit_common(struct rcu_dynticks *rdtp, long long oldval)
+ {
+ smp_mb__before_atomic_inc(); /* Force ordering w/previous sojourn. */
+- atomic_inc(&rdtp->dynticks);
++ atomic_inc_unchecked(&rdtp->dynticks);
+ /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
+ smp_mb__after_atomic_inc(); /* See above. */
+- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
++ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
+ rcu_cleanup_after_idle(smp_processor_id());
+ trace_rcu_dyntick("End", oldval, rdtp->dynticks_nesting);
+ if (!is_idle_task(current)) {
+@@ -557,14 +557,14 @@ void rcu_nmi_enter(void)
+ struct rcu_dynticks *rdtp = &__get_cpu_var(rcu_dynticks);
+
+ if (rdtp->dynticks_nmi_nesting == 0 &&
+- (atomic_read(&rdtp->dynticks) & 0x1))
++ (atomic_read_unchecked(&rdtp->dynticks) & 0x1))
+ return;
+ rdtp->dynticks_nmi_nesting++;
+ smp_mb__before_atomic_inc(); /* Force delay from prior write. */
+- atomic_inc(&rdtp->dynticks);
++ atomic_inc_unchecked(&rdtp->dynticks);
+ /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
+ smp_mb__after_atomic_inc(); /* See above. */
+- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
++ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
+ }
+
+ /**
+@@ -583,9 +583,9 @@ void rcu_nmi_exit(void)
+ return;
+ /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
+ smp_mb__before_atomic_inc(); /* See above. */
+- atomic_inc(&rdtp->dynticks);
++ atomic_inc_unchecked(&rdtp->dynticks);
+ smp_mb__after_atomic_inc(); /* Force delay to next write. */
+- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
++ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
+ }
+
+ /**
+@@ -599,7 +599,7 @@ int rcu_is_cpu_idle(void)
+ int ret;
+
+ preempt_disable();
+- ret = (atomic_read(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0;
++ ret = (atomic_read_unchecked(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0;
+ preempt_enable();
+ return ret;
+ }
+@@ -667,7 +667,7 @@ int rcu_is_cpu_rrupt_from_idle(void)
+ */
+ static int dyntick_save_progress_counter(struct rcu_data *rdp)
+ {
+- rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks);
++ rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
+ return (rdp->dynticks_snap & 0x1) == 0;
+ }
+
+@@ -682,7 +682,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
+ unsigned int curr;
+ unsigned int snap;
+
+- curr = (unsigned int)atomic_add_return(0, &rdp->dynticks->dynticks);
++ curr = (unsigned int)atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
+ snap = (unsigned int)rdp->dynticks_snap;
+
+ /*
+@@ -712,10 +712,10 @@ static int jiffies_till_stall_check(void)
+ * for CONFIG_RCU_CPU_STALL_TIMEOUT.
+ */
+ if (till_stall_check < 3) {
+- ACCESS_ONCE(rcu_cpu_stall_timeout) = 3;
++ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 3;
+ till_stall_check = 3;
+ } else if (till_stall_check > 300) {
+- ACCESS_ONCE(rcu_cpu_stall_timeout) = 300;
++ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 300;
+ till_stall_check = 300;
+ }
+ return till_stall_check * HZ + RCU_STALL_DELAY_DELTA;
+@@ -1351,7 +1351,7 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp,
+ rsp->qlen += rdp->qlen;
+ rdp->n_cbs_orphaned += rdp->qlen;
+ rdp->qlen_lazy = 0;
+- ACCESS_ONCE(rdp->qlen) = 0;
++ ACCESS_ONCE_RW(rdp->qlen) = 0;
+ }
+
+ /*
+@@ -1604,7 +1604,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
+ }
+ smp_mb(); /* List handling before counting for rcu_barrier(). */
+ rdp->qlen_lazy -= count_lazy;
+- ACCESS_ONCE(rdp->qlen) -= count;
++ ACCESS_ONCE_RW(rdp->qlen) -= count;
+ rdp->n_cbs_invoked += count;
+
+ /* Reinstate batch limit if we have worked down the excess. */
+@@ -1836,7 +1836,7 @@ __rcu_process_callbacks(struct rcu_state *rsp)
+ /*
+ * Do RCU core processing for the current CPU.
+ */
+-static void rcu_process_callbacks(struct softirq_action *unused)
++static void rcu_process_callbacks(void)
+ {
+ struct rcu_state *rsp;
+
+@@ -1943,7 +1943,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
+ rdp = this_cpu_ptr(rsp->rda);
+
+ /* Add the callback to our list. */
+- ACCESS_ONCE(rdp->qlen)++;
++ ACCESS_ONCE_RW(rdp->qlen)++;
+ if (lazy)
+ rdp->qlen_lazy++;
+ else
+@@ -2057,8 +2057,8 @@ void synchronize_rcu_bh(void)
+ }
+ EXPORT_SYMBOL_GPL(synchronize_rcu_bh);
+
+-static atomic_t sync_sched_expedited_started = ATOMIC_INIT(0);
+-static atomic_t sync_sched_expedited_done = ATOMIC_INIT(0);
++static atomic_unchecked_t sync_sched_expedited_started = ATOMIC_INIT(0);
++static atomic_unchecked_t sync_sched_expedited_done = ATOMIC_INIT(0);
+
+ static int synchronize_sched_expedited_cpu_stop(void *data)
+ {
+@@ -2119,7 +2119,7 @@ void synchronize_sched_expedited(void)
+ int firstsnap, s, snap, trycount = 0;
+
+ /* Note that atomic_inc_return() implies full memory barrier. */
+- firstsnap = snap = atomic_inc_return(&sync_sched_expedited_started);
++ firstsnap = snap = atomic_inc_return_unchecked(&sync_sched_expedited_started);
+ get_online_cpus();
+ WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id()));
+
+@@ -2141,7 +2141,7 @@ void synchronize_sched_expedited(void)
+ }
+
+ /* Check to see if someone else did our work for us. */
+- s = atomic_read(&sync_sched_expedited_done);
++ s = atomic_read_unchecked(&sync_sched_expedited_done);
+ if (UINT_CMP_GE((unsigned)s, (unsigned)firstsnap)) {
+ smp_mb(); /* ensure test happens before caller kfree */
+ return;
+@@ -2156,7 +2156,7 @@ void synchronize_sched_expedited(void)
+ * grace period works for us.
+ */
+ get_online_cpus();
+- snap = atomic_read(&sync_sched_expedited_started);
++ snap = atomic_read_unchecked(&sync_sched_expedited_started);
+ smp_mb(); /* ensure read is before try_stop_cpus(). */
+ }
+
+@@ -2167,12 +2167,12 @@ void synchronize_sched_expedited(void)
+ * than we did beat us to the punch.
+ */
+ do {
+- s = atomic_read(&sync_sched_expedited_done);
++ s = atomic_read_unchecked(&sync_sched_expedited_done);
+ if (UINT_CMP_GE((unsigned)s, (unsigned)snap)) {
+ smp_mb(); /* ensure test happens before caller kfree */
+ break;
+ }
+- } while (atomic_cmpxchg(&sync_sched_expedited_done, s, snap) != s);
++ } while (atomic_cmpxchg_unchecked(&sync_sched_expedited_done, s, snap) != s);
+
+ put_online_cpus();
+ }
+@@ -2366,7 +2366,7 @@ static void _rcu_barrier(struct rcu_state *rsp)
+ * ACCESS_ONCE() to prevent the compiler from speculating
+ * the increment to precede the early-exit check.
+ */
+- ACCESS_ONCE(rsp->n_barrier_done)++;
++ ACCESS_ONCE_RW(rsp->n_barrier_done)++;
+ WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 1);
+ _rcu_barrier_trace(rsp, "Inc1", -1, rsp->n_barrier_done);
+ smp_mb(); /* Order ->n_barrier_done increment with below mechanism. */
+@@ -2448,7 +2448,7 @@ static void _rcu_barrier(struct rcu_state *rsp)
+
+ /* Increment ->n_barrier_done to prevent duplicate work. */
+ smp_mb(); /* Keep increment after above mechanism. */
+- ACCESS_ONCE(rsp->n_barrier_done)++;
++ ACCESS_ONCE_RW(rsp->n_barrier_done)++;
+ WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 0);
+ _rcu_barrier_trace(rsp, "Inc2", -1, rsp->n_barrier_done);
+ smp_mb(); /* Keep increment before caller's subsequent code. */
+@@ -2495,10 +2495,10 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
+ rdp->grpmask = 1UL << (cpu - rdp->mynode->grplo);
+ init_callback_list(rdp);
+ rdp->qlen_lazy = 0;
+- ACCESS_ONCE(rdp->qlen) = 0;
++ ACCESS_ONCE_RW(rdp->qlen) = 0;
+ rdp->dynticks = &per_cpu(rcu_dynticks, cpu);
+ WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
+- WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1);
++ WARN_ON_ONCE(atomic_read_unchecked(&rdp->dynticks->dynticks) != 1);
+ rdp->cpu = cpu;
+ rdp->rsp = rsp;
+ raw_spin_unlock_irqrestore(&rnp->lock, flags);
+@@ -2526,8 +2526,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
+ rdp->n_force_qs_snap = rsp->n_force_qs;
+ rdp->blimit = blimit;
+ rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE;
+- atomic_set(&rdp->dynticks->dynticks,
+- (atomic_read(&rdp->dynticks->dynticks) & ~0x1) + 1);
++ atomic_set_unchecked(&rdp->dynticks->dynticks,
++ (atomic_read_unchecked(&rdp->dynticks->dynticks) & ~0x1) + 1);
+ rcu_prepare_for_idle_init(cpu);
+ raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */
+
+diff --git a/kernel/rcutree.h b/kernel/rcutree.h
+index 4d29169..d104a3c 100644
+--- a/kernel/rcutree.h
++++ b/kernel/rcutree.h
+@@ -86,7 +86,7 @@ struct rcu_dynticks {
+ long long dynticks_nesting; /* Track irq/process nesting level. */
+ /* Process level is worth LLONG_MAX/2. */
+ int dynticks_nmi_nesting; /* Track NMI nesting level. */
+- atomic_t dynticks; /* Even value for idle, else odd. */
++ atomic_unchecked_t dynticks;/* Even value for idle, else odd. */
+ #ifdef CONFIG_RCU_FAST_NO_HZ
+ int dyntick_drain; /* Prepare-for-idle state variable. */
+ unsigned long dyntick_holdoff;
+diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
+index 7f3244c..417d606 100644
+--- a/kernel/rcutree_plugin.h
++++ b/kernel/rcutree_plugin.h
+@@ -843,7 +843,7 @@ void synchronize_rcu_expedited(void)
+
+ /* Clean up and exit. */
+ smp_mb(); /* ensure expedited GP seen before counter increment. */
+- ACCESS_ONCE(sync_rcu_preempt_exp_count)++;
++ ACCESS_ONCE_RW(sync_rcu_preempt_exp_count)++;
+ unlock_mb_ret:
+ mutex_unlock(&sync_rcu_preempt_exp_mutex);
+ mb_ret:
+diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
+index abffb48..cbfa6d3 100644
+--- a/kernel/rcutree_trace.c
++++ b/kernel/rcutree_trace.c
+@@ -93,7 +93,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
+ rdp->passed_quiesce, rdp->passed_quiesce_gpnum,
+ rdp->qs_pending);
+ seq_printf(m, " dt=%d/%llx/%d df=%lu",
+- atomic_read(&rdp->dynticks->dynticks),
++ atomic_read_unchecked(&rdp->dynticks->dynticks),
+ rdp->dynticks->dynticks_nesting,
+ rdp->dynticks->dynticks_nmi_nesting,
+ rdp->dynticks_fqs);
+@@ -157,7 +157,7 @@ static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp)
+ rdp->passed_quiesce, rdp->passed_quiesce_gpnum,
+ rdp->qs_pending);
+ seq_printf(m, ",%d,%llx,%d,%lu",
+- atomic_read(&rdp->dynticks->dynticks),
++ atomic_read_unchecked(&rdp->dynticks->dynticks),
+ rdp->dynticks->dynticks_nesting,
+ rdp->dynticks->dynticks_nmi_nesting,
+ rdp->dynticks_fqs);
+diff --git a/kernel/resource.c b/kernel/resource.c
+index 34d4588..10baa6a 100644
+--- a/kernel/resource.c
++++ b/kernel/resource.c
+@@ -143,8 +143,18 @@ static const struct file_operations proc_iomem_operations = {
+
+ static int __init ioresources_init(void)
+ {
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++#ifdef CONFIG_GRKERNSEC_PROC_USER
++ proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations);
++ proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations);
++#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
++ proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations);
++ proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations);
++#endif
++#else
+ proc_create("ioports", 0, NULL, &proc_ioports_operations);
+ proc_create("iomem", 0, NULL, &proc_iomem_operations);
++#endif
+ return 0;
+ }
+ __initcall(ioresources_init);
+diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
+index 98ec494..4241d6d 100644
+--- a/kernel/rtmutex-tester.c
++++ b/kernel/rtmutex-tester.c
+@@ -20,7 +20,7 @@
+ #define MAX_RT_TEST_MUTEXES 8
+
+ static spinlock_t rttest_lock;
+-static atomic_t rttest_event;
++static atomic_unchecked_t rttest_event;
+
+ struct test_thread_data {
+ int opcode;
+@@ -61,7 +61,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
+
+ case RTTEST_LOCKCONT:
+ td->mutexes[td->opdata] = 1;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ return 0;
+
+ case RTTEST_RESET:
+@@ -74,7 +74,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
+ return 0;
+
+ case RTTEST_RESETEVENT:
+- atomic_set(&rttest_event, 0);
++ atomic_set_unchecked(&rttest_event, 0);
+ return 0;
+
+ default:
+@@ -91,9 +91,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
+ return ret;
+
+ td->mutexes[id] = 1;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ rt_mutex_lock(&mutexes[id]);
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ td->mutexes[id] = 4;
+ return 0;
+
+@@ -104,9 +104,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
+ return ret;
+
+ td->mutexes[id] = 1;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ ret = rt_mutex_lock_interruptible(&mutexes[id], 0);
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ td->mutexes[id] = ret ? 0 : 4;
+ return ret ? -EINTR : 0;
+
+@@ -115,9 +115,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
+ if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4)
+ return ret;
+
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ rt_mutex_unlock(&mutexes[id]);
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ td->mutexes[id] = 0;
+ return 0;
+
+@@ -164,7 +164,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
+ break;
+
+ td->mutexes[dat] = 2;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ break;
+
+ default:
+@@ -184,7 +184,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
+ return;
+
+ td->mutexes[dat] = 3;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ break;
+
+ case RTTEST_LOCKNOWAIT:
+@@ -196,7 +196,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
+ return;
+
+ td->mutexes[dat] = 1;
+- td->event = atomic_add_return(1, &rttest_event);
++ td->event = atomic_add_return_unchecked(1, &rttest_event);
+ return;
+
+ default:
+diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c
+index 0984a21..939f183 100644
+--- a/kernel/sched/auto_group.c
++++ b/kernel/sched/auto_group.c
+@@ -11,7 +11,7 @@
+
+ unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
+ static struct autogroup autogroup_default;
+-static atomic_t autogroup_seq_nr;
++static atomic_unchecked_t autogroup_seq_nr;
+
+ void __init autogroup_init(struct task_struct *init_task)
+ {
+@@ -78,7 +78,7 @@ static inline struct autogroup *autogroup_create(void)
+
+ kref_init(&ag->kref);
+ init_rwsem(&ag->lock);
+- ag->id = atomic_inc_return(&autogroup_seq_nr);
++ ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr);
+ ag->tg = tg;
+ #ifdef CONFIG_RT_GROUP_SCHED
+ /*
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 1a48cdb..d3949ff 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -4103,6 +4103,8 @@ int can_nice(const struct task_struct *p, const int nice)
+ /* convert nice value [19,-20] to rlimit style value [1,40] */
+ int nice_rlim = 20 - nice;
+
++ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1);
++
+ return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
+ capable(CAP_SYS_NICE));
+ }
+@@ -4136,7 +4138,8 @@ SYSCALL_DEFINE1(nice, int, increment)
+ if (nice > 19)
+ nice = 19;
+
+- if (increment < 0 && !can_nice(current, nice))
++ if (increment < 0 && (!can_nice(current, nice) ||
++ gr_handle_chroot_nice()))
+ return -EPERM;
+
+ retval = security_task_setnice(current, nice);
+@@ -4290,6 +4293,7 @@ recheck:
+ unsigned long rlim_rtprio =
+ task_rlimit(p, RLIMIT_RTPRIO);
+
++ gr_learn_resource(p, RLIMIT_RTPRIO, param->sched_priority, 1);
+ /* can't set/change the rt policy */
+ if (policy != p->policy && !rlim_rtprio)
+ return -EPERM;
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index 96e2b18..bb31eec 100644
+--- a/kernel/sched/fair.c
++++ b/kernel/sched/fair.c
+@@ -4923,7 +4923,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle) { }
+ * run_rebalance_domains is triggered when needed from the scheduler tick.
+ * Also triggered for nohz idle balancing (with nohz_balancing_kick set).
+ */
+-static void run_rebalance_domains(struct softirq_action *h)
++static void run_rebalance_domains(void)
+ {
+ int this_cpu = smp_processor_id();
+ struct rq *this_rq = cpu_rq(this_cpu);
+diff --git a/kernel/signal.c b/kernel/signal.c
+index be4f856..453401c 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -48,12 +48,12 @@ static struct kmem_cache *sigqueue_cachep;
+
+ int print_fatal_signals __read_mostly;
+
+-static void __user *sig_handler(struct task_struct *t, int sig)
++static __sighandler_t sig_handler(struct task_struct *t, int sig)
+ {
+ return t->sighand->action[sig - 1].sa.sa_handler;
+ }
+
+-static int sig_handler_ignored(void __user *handler, int sig)
++static int sig_handler_ignored(__sighandler_t handler, int sig)
+ {
+ /* Is it explicitly or implicitly ignored? */
+ return handler == SIG_IGN ||
+@@ -62,7 +62,7 @@ static int sig_handler_ignored(void __user *handler, int sig)
+
+ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
+ {
+- void __user *handler;
++ __sighandler_t handler;
+
+ handler = sig_handler(t, sig);
+
+@@ -366,6 +366,9 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi
+ atomic_inc(&user->sigpending);
+ rcu_read_unlock();
+
++ if (!override_rlimit)
++ gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1);
++
+ if (override_rlimit ||
+ atomic_read(&user->sigpending) <=
+ task_rlimit(t, RLIMIT_SIGPENDING)) {
+@@ -490,7 +493,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
+
+ int unhandled_signal(struct task_struct *tsk, int sig)
+ {
+- void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler;
++ __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler;
+ if (is_global_init(tsk))
+ return 1;
+ if (handler != SIG_IGN && handler != SIG_DFL)
+@@ -816,6 +819,13 @@ static int check_kill_permission(int sig, struct siginfo *info,
+ }
+ }
+
++ /* allow glibc communication via tgkill to other threads in our
++ thread group */
++ if ((info == SEND_SIG_NOINFO || info->si_code != SI_TKILL ||
++ sig != (SIGRTMIN+1) || task_tgid_vnr(t) != info->si_pid)
++ && gr_handle_signal(t, sig))
++ return -EPERM;
++
+ return security_task_kill(t, info, sig, 0);
+ }
+
+@@ -1197,7 +1207,7 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
+ return send_signal(sig, info, p, 1);
+ }
+
+-static int
++int
+ specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
+ {
+ return send_signal(sig, info, t, 0);
+@@ -1234,6 +1244,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
+ unsigned long int flags;
+ int ret, blocked, ignored;
+ struct k_sigaction *action;
++ int is_unhandled = 0;
+
+ spin_lock_irqsave(&t->sighand->siglock, flags);
+ action = &t->sighand->action[sig-1];
+@@ -1248,9 +1259,18 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
+ }
+ if (action->sa.sa_handler == SIG_DFL)
+ t->signal->flags &= ~SIGNAL_UNKILLABLE;
++ if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL)
++ is_unhandled = 1;
+ ret = specific_send_sig_info(sig, info, t);
+ spin_unlock_irqrestore(&t->sighand->siglock, flags);
+
++ /* only deal with unhandled signals, java etc trigger SIGSEGV during
++ normal operation */
++ if (is_unhandled) {
++ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t);
++ gr_handle_crash(t, sig);
++ }
++
+ return ret;
+ }
+
+@@ -1317,8 +1337,11 @@ int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
+ ret = check_kill_permission(sig, info, p);
+ rcu_read_unlock();
+
+- if (!ret && sig)
++ if (!ret && sig) {
+ ret = do_send_sig_info(sig, info, p, true);
++ if (!ret)
++ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p);
++ }
+
+ return ret;
+ }
+@@ -2873,7 +2896,15 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info)
+ int error = -ESRCH;
+
+ rcu_read_lock();
+- p = find_task_by_vpid(pid);
++#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
++ /* allow glibc communication via tgkill to other threads in our
++ thread group */
++ if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL &&
++ sig == (SIGRTMIN+1) && tgid == info->si_pid)
++ p = find_task_by_vpid_unrestricted(pid);
++ else
++#endif
++ p = find_task_by_vpid(pid);
+ if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) {
+ error = check_kill_permission(sig, info, p);
+ /*
+diff --git a/kernel/softirq.c b/kernel/softirq.c
+index b73e681..645ab62 100644
+--- a/kernel/softirq.c
++++ b/kernel/softirq.c
+@@ -56,7 +56,7 @@ static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp
+
+ DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
+
+-char *softirq_to_name[NR_SOFTIRQS] = {
++const char * const softirq_to_name[NR_SOFTIRQS] = {
+ "HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "BLOCK_IOPOLL",
+ "TASKLET", "SCHED", "HRTIMER", "RCU"
+ };
+@@ -243,7 +243,7 @@ restart:
+ kstat_incr_softirqs_this_cpu(vec_nr);
+
+ trace_softirq_entry(vec_nr);
+- h->action(h);
++ h->action();
+ trace_softirq_exit(vec_nr);
+ if (unlikely(prev_count != preempt_count())) {
+ printk(KERN_ERR "huh, entered softirq %u %s %p"
+@@ -390,9 +390,11 @@ void __raise_softirq_irqoff(unsigned int nr)
+ or_softirq_pending(1UL << nr);
+ }
+
+-void open_softirq(int nr, void (*action)(struct softirq_action *))
++void open_softirq(int nr, void (*action)(void))
+ {
+- softirq_vec[nr].action = action;
++ pax_open_kernel();
++ *(void **)&softirq_vec[nr].action = action;
++ pax_close_kernel();
+ }
+
+ /*
+@@ -446,7 +448,7 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t)
+
+ EXPORT_SYMBOL(__tasklet_hi_schedule_first);
+
+-static void tasklet_action(struct softirq_action *a)
++static void tasklet_action(void)
+ {
+ struct tasklet_struct *list;
+
+@@ -481,7 +483,7 @@ static void tasklet_action(struct softirq_action *a)
+ }
+ }
+
+-static void tasklet_hi_action(struct softirq_action *a)
++static void tasklet_hi_action(void)
+ {
+ struct tasklet_struct *list;
+
+diff --git a/kernel/srcu.c b/kernel/srcu.c
+index 2095be3..9a5b89d 100644
+--- a/kernel/srcu.c
++++ b/kernel/srcu.c
+@@ -302,9 +302,9 @@ int __srcu_read_lock(struct srcu_struct *sp)
+ preempt_disable();
+ idx = rcu_dereference_index_check(sp->completed,
+ rcu_read_lock_sched_held()) & 0x1;
+- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1;
++ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1;
+ smp_mb(); /* B */ /* Avoid leaking the critical section. */
+- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1;
++ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1;
+ preempt_enable();
+ return idx;
+ }
+@@ -320,7 +320,7 @@ void __srcu_read_unlock(struct srcu_struct *sp, int idx)
+ {
+ preempt_disable();
+ smp_mb(); /* C */ /* Avoid leaking the critical section. */
+- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) -= 1;
++ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) -= 1;
+ preempt_enable();
+ }
+ EXPORT_SYMBOL_GPL(__srcu_read_unlock);
+diff --git a/kernel/sys.c b/kernel/sys.c
+index 909148a..cd51acf 100644
+--- a/kernel/sys.c
++++ b/kernel/sys.c
+@@ -157,6 +157,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error)
+ error = -EACCES;
+ goto out;
+ }
++
++ if (gr_handle_chroot_setpriority(p, niceval)) {
++ error = -EACCES;
++ goto out;
++ }
++
+ no_nice = security_task_setnice(p, niceval);
+ if (no_nice) {
+ error = no_nice;
+@@ -595,6 +601,9 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid)
+ goto error;
+ }
+
++ if (gr_check_group_change(new->gid, new->egid, -1))
++ goto error;
++
+ if (rgid != (gid_t) -1 ||
+ (egid != (gid_t) -1 && !gid_eq(kegid, old->gid)))
+ new->sgid = new->egid;
+@@ -630,6 +639,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid)
+ old = current_cred();
+
+ retval = -EPERM;
++
++ if (gr_check_group_change(kgid, kgid, kgid))
++ goto error;
++
+ if (nsown_capable(CAP_SETGID))
+ new->gid = new->egid = new->sgid = new->fsgid = kgid;
+ else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid))
+@@ -647,7 +660,7 @@ error:
+ /*
+ * change the user struct in a credentials set to match the new UID
+ */
+-static int set_user(struct cred *new)
++int set_user(struct cred *new)
+ {
+ struct user_struct *new_user;
+
+@@ -727,6 +740,9 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid)
+ goto error;
+ }
+
++ if (gr_check_user_change(new->uid, new->euid, -1))
++ goto error;
++
+ if (!uid_eq(new->uid, old->uid)) {
+ retval = set_user(new);
+ if (retval < 0)
+@@ -777,6 +793,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid)
+ old = current_cred();
+
+ retval = -EPERM;
++
++ if (gr_check_crash_uid(kuid))
++ goto error;
++ if (gr_check_user_change(kuid, kuid, kuid))
++ goto error;
++
+ if (nsown_capable(CAP_SETUID)) {
+ new->suid = new->uid = kuid;
+ if (!uid_eq(kuid, old->uid)) {
+@@ -846,6 +868,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
+ goto error;
+ }
+
++ if (gr_check_user_change(kruid, keuid, -1))
++ goto error;
++
+ if (ruid != (uid_t) -1) {
+ new->uid = kruid;
+ if (!uid_eq(kruid, old->uid)) {
+@@ -928,6 +953,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
+ goto error;
+ }
+
++ if (gr_check_group_change(krgid, kegid, -1))
++ goto error;
++
+ if (rgid != (gid_t) -1)
+ new->gid = krgid;
+ if (egid != (gid_t) -1)
+@@ -981,6 +1009,9 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
+ if (!uid_valid(kuid))
+ return old_fsuid;
+
++ if (gr_check_user_change(-1, -1, kuid))
++ goto error;
++
+ new = prepare_creds();
+ if (!new)
+ return old_fsuid;
+@@ -995,6 +1026,7 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
+ }
+ }
+
++error:
+ abort_creds(new);
+ return old_fsuid;
+
+@@ -1027,12 +1059,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid)
+ if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->egid) ||
+ gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) ||
+ nsown_capable(CAP_SETGID)) {
++ if (gr_check_group_change(-1, -1, kgid))
++ goto error;
++
+ if (!gid_eq(kgid, old->fsgid)) {
+ new->fsgid = kgid;
+ goto change_okay;
+ }
+ }
+
++error:
+ abort_creds(new);
+ return old_fsgid;
+
+@@ -1340,19 +1376,19 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
+ return -EFAULT;
+
+ down_read(&uts_sem);
+- error = __copy_to_user(&name->sysname, &utsname()->sysname,
++ error = __copy_to_user(name->sysname, &utsname()->sysname,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+- error |= __copy_to_user(&name->nodename, &utsname()->nodename,
++ error |= __copy_to_user(name->nodename, &utsname()->nodename,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+- error |= __copy_to_user(&name->release, &utsname()->release,
++ error |= __copy_to_user(name->release, &utsname()->release,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->release + __OLD_UTS_LEN);
+- error |= __copy_to_user(&name->version, &utsname()->version,
++ error |= __copy_to_user(name->version, &utsname()->version,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->version + __OLD_UTS_LEN);
+- error |= __copy_to_user(&name->machine, &utsname()->machine,
++ error |= __copy_to_user(name->machine, &utsname()->machine,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->machine + __OLD_UTS_LEN);
+ up_read(&uts_sem);
+@@ -2026,7 +2062,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
+ error = get_dumpable(me->mm);
+ break;
+ case PR_SET_DUMPABLE:
+- if (arg2 < 0 || arg2 > 1) {
++ if (arg2 > 1) {
+ error = -EINVAL;
+ break;
+ }
+diff --git a/kernel/sysctl.c b/kernel/sysctl.c
+index 87174ef..68cbb82 100644
+--- a/kernel/sysctl.c
++++ b/kernel/sysctl.c
+@@ -92,7 +92,6 @@
+
+
+ #if defined(CONFIG_SYSCTL)
+-
+ /* External variables not in a header file. */
+ extern int sysctl_overcommit_memory;
+ extern int sysctl_overcommit_ratio;
+@@ -170,10 +169,8 @@ static int proc_taint(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
+ #endif
+
+-#ifdef CONFIG_PRINTK
+ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
+-#endif
+
+ static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
+@@ -202,6 +199,8 @@ static int sysrq_sysctl_handler(ctl_table *table, int write,
+
+ #endif
+
++extern struct ctl_table grsecurity_table[];
++
+ static struct ctl_table kern_table[];
+ static struct ctl_table vm_table[];
+ static struct ctl_table fs_table[];
+@@ -216,6 +215,20 @@ extern struct ctl_table epoll_table[];
+ int sysctl_legacy_va_layout;
+ #endif
+
++#ifdef CONFIG_PAX_SOFTMODE
++static ctl_table pax_table[] = {
++ {
++ .procname = "softmode",
++ .data = &pax_softmode,
++ .maxlen = sizeof(unsigned int),
++ .mode = 0600,
++ .proc_handler = &proc_dointvec,
++ },
++
++ { }
++};
++#endif
++
+ /* The default sysctl tables: */
+
+ static struct ctl_table sysctl_base_table[] = {
+@@ -262,6 +275,22 @@ static int max_extfrag_threshold = 1000;
+ #endif
+
+ static struct ctl_table kern_table[] = {
++#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS)
++ {
++ .procname = "grsecurity",
++ .mode = 0500,
++ .child = grsecurity_table,
++ },
++#endif
++
++#ifdef CONFIG_PAX_SOFTMODE
++ {
++ .procname = "pax",
++ .mode = 0500,
++ .child = pax_table,
++ },
++#endif
++
+ {
+ .procname = "sched_child_runs_first",
+ .data = &sysctl_sched_child_runs_first,
+@@ -546,7 +575,7 @@ static struct ctl_table kern_table[] = {
+ .data = &modprobe_path,
+ .maxlen = KMOD_PATH_LEN,
+ .mode = 0644,
+- .proc_handler = proc_dostring,
++ .proc_handler = proc_dostring_modpriv,
+ },
+ {
+ .procname = "modules_disabled",
+@@ -713,16 +742,20 @@ static struct ctl_table kern_table[] = {
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
++#endif
+ {
+ .procname = "kptr_restrict",
+ .data = &kptr_restrict,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax_sysadmin,
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ .extra1 = &two,
++#else
+ .extra1 = &zero,
++#endif
+ .extra2 = &two,
+ },
+-#endif
+ {
+ .procname = "ngroups_max",
+ .data = &ngroups_max,
+@@ -1219,6 +1252,13 @@ static struct ctl_table vm_table[] = {
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
++ {
++ .procname = "heap_stack_gap",
++ .data = &sysctl_heap_stack_gap,
++ .maxlen = sizeof(sysctl_heap_stack_gap),
++ .mode = 0644,
++ .proc_handler = proc_doulongvec_minmax,
++ },
+ #else
+ {
+ .procname = "nr_trim_pages",
+@@ -1670,6 +1710,16 @@ int proc_dostring(struct ctl_table *table, int write,
+ buffer, lenp, ppos);
+ }
+
++int proc_dostring_modpriv(struct ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
++{
++ if (write && !capable(CAP_SYS_MODULE))
++ return -EPERM;
++
++ return _proc_do_string(table->data, table->maxlen, write,
++ buffer, lenp, ppos);
++}
++
+ static size_t proc_skip_spaces(char **buf)
+ {
+ size_t ret;
+@@ -1775,6 +1825,8 @@ static int proc_put_long(void __user **buf, size_t *size, unsigned long val,
+ len = strlen(tmp);
+ if (len > *size)
+ len = *size;
++ if (len > sizeof(tmp))
++ len = sizeof(tmp);
+ if (copy_to_user(*buf, tmp, len))
+ return -EFAULT;
+ *size -= len;
+@@ -1967,7 +2019,6 @@ static int proc_taint(struct ctl_table *table, int write,
+ return err;
+ }
+
+-#ifdef CONFIG_PRINTK
+ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+ {
+@@ -1976,7 +2027,6 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
+
+ return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ }
+-#endif
+
+ struct do_proc_dointvec_minmax_conv_param {
+ int *min;
+@@ -2119,8 +2169,11 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
+ *i = val;
+ } else {
+ val = convdiv * (*i) / convmul;
+- if (!first)
++ if (!first) {
+ err = proc_put_char(&buffer, &left, '\t');
++ if (err)
++ break;
++ }
+ err = proc_put_long(&buffer, &left, val, false);
+ if (err)
+ break;
+@@ -2512,6 +2565,12 @@ int proc_dostring(struct ctl_table *table, int write,
+ return -ENOSYS;
+ }
+
++int proc_dostring_modpriv(struct ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
++{
++ return -ENOSYS;
++}
++
+ int proc_dointvec(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+ {
+@@ -2568,5 +2627,6 @@ EXPORT_SYMBOL(proc_dointvec_minmax);
+ EXPORT_SYMBOL(proc_dointvec_userhz_jiffies);
+ EXPORT_SYMBOL(proc_dointvec_ms_jiffies);
+ EXPORT_SYMBOL(proc_dostring);
++EXPORT_SYMBOL(proc_dostring_modpriv);
+ EXPORT_SYMBOL(proc_doulongvec_minmax);
+ EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax);
+diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
+index 65bdcf1..21eb831 100644
+--- a/kernel/sysctl_binary.c
++++ b/kernel/sysctl_binary.c
+@@ -989,7 +989,7 @@ static ssize_t bin_intvec(struct file *file,
+ int i;
+
+ set_fs(KERNEL_DS);
+- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
++ result = vfs_read(file, (char __force_user *)buffer, BUFSZ - 1, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out_kfree;
+@@ -1034,7 +1034,7 @@ static ssize_t bin_intvec(struct file *file,
+ }
+
+ set_fs(KERNEL_DS);
+- result = vfs_write(file, buffer, str - buffer, &pos);
++ result = vfs_write(file, (const char __force_user *)buffer, str - buffer, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out_kfree;
+@@ -1067,7 +1067,7 @@ static ssize_t bin_ulongvec(struct file *file,
+ int i;
+
+ set_fs(KERNEL_DS);
+- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
++ result = vfs_read(file, (char __force_user *)buffer, BUFSZ - 1, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out_kfree;
+@@ -1112,7 +1112,7 @@ static ssize_t bin_ulongvec(struct file *file,
+ }
+
+ set_fs(KERNEL_DS);
+- result = vfs_write(file, buffer, str - buffer, &pos);
++ result = vfs_write(file, (const char __force_user *)buffer, str - buffer, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out_kfree;
+@@ -1138,7 +1138,7 @@ static ssize_t bin_uuid(struct file *file,
+ int i;
+
+ set_fs(KERNEL_DS);
+- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
++ result = vfs_read(file, (char __force_user *)buf, sizeof(buf) - 1, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out;
+@@ -1185,7 +1185,7 @@ static ssize_t bin_dn_node_address(struct file *file,
+ __le16 dnaddr;
+
+ set_fs(KERNEL_DS);
+- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
++ result = vfs_read(file, (char __force_user *)buf, sizeof(buf) - 1, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out;
+@@ -1233,7 +1233,7 @@ static ssize_t bin_dn_node_address(struct file *file,
+ le16_to_cpu(dnaddr) & 0x3ff);
+
+ set_fs(KERNEL_DS);
+- result = vfs_write(file, buf, len, &pos);
++ result = vfs_write(file, (const char __force_user *)buf, len, &pos);
+ set_fs(old_fs);
+ if (result < 0)
+ goto out;
+diff --git a/kernel/taskstats.c b/kernel/taskstats.c
+index d0a3279..db0ad99 100644
+--- a/kernel/taskstats.c
++++ b/kernel/taskstats.c
+@@ -27,9 +27,12 @@
+ #include <linux/cgroup.h>
+ #include <linux/fs.h>
+ #include <linux/file.h>
++#include <linux/grsecurity.h>
+ #include <net/genetlink.h>
+ #include <linux/atomic.h>
+
++extern int gr_is_taskstats_denied(int pid);
++
+ /*
+ * Maximum length of a cpumask that can be specified in
+ * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute
+@@ -561,6 +564,9 @@ err:
+
+ static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info)
+ {
++ if (gr_is_taskstats_denied(current->pid))
++ return -EACCES;
++
+ if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK])
+ return cmd_attr_register_cpumask(info);
+ else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK])
+diff --git a/kernel/time.c b/kernel/time.c
+index ba744cf..267b7c5 100644
+--- a/kernel/time.c
++++ b/kernel/time.c
+@@ -163,6 +163,11 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz)
+ return error;
+
+ if (tz) {
++ /* we log in do_settimeofday called below, so don't log twice
++ */
++ if (!tv)
++ gr_log_timechange();
++
+ sys_tz = *tz;
+ update_vsyscall_tz();
+ if (firsttime) {
+diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
+index aa27d39..34d221c 100644
+--- a/kernel/time/alarmtimer.c
++++ b/kernel/time/alarmtimer.c
+@@ -779,7 +779,7 @@ static int __init alarmtimer_init(void)
+ struct platform_device *pdev;
+ int error = 0;
+ int i;
+- struct k_clock alarm_clock = {
++ static struct k_clock alarm_clock = {
+ .clock_getres = alarm_clock_getres,
+ .clock_get = alarm_clock_get,
+ .timer_create = alarm_timer_create,
+diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
+index f113755..ec24223 100644
+--- a/kernel/time/tick-broadcast.c
++++ b/kernel/time/tick-broadcast.c
+@@ -115,7 +115,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
+ * then clear the broadcast bit.
+ */
+ if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) {
+- int cpu = smp_processor_id();
++ cpu = smp_processor_id();
+
+ cpumask_clear_cpu(cpu, tick_get_broadcast_mask());
+ tick_broadcast_clear_oneshot(cpu);
+diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
+index f791637..00051de 100644
+--- a/kernel/time/timekeeping.c
++++ b/kernel/time/timekeeping.c
+@@ -14,6 +14,7 @@
+ #include <linux/init.h>
+ #include <linux/mm.h>
+ #include <linux/sched.h>
++#include <linux/grsecurity.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/clocksource.h>
+ #include <linux/jiffies.h>
+@@ -434,6 +435,8 @@ int do_settimeofday(const struct timespec *tv)
+ if (!timespec_valid_strict(tv))
+ return -EINVAL;
+
++ gr_log_timechange();
++
+ write_seqlock_irqsave(&tk->lock, flags);
+
+ timekeeping_forward_now(tk);
+diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
+index af5a7e9..715611a 100644
+--- a/kernel/time/timer_list.c
++++ b/kernel/time/timer_list.c
+@@ -38,12 +38,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases);
+
+ static void print_name_offset(struct seq_file *m, void *sym)
+ {
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ SEQ_printf(m, "<%p>", NULL);
++#else
+ char symname[KSYM_NAME_LEN];
+
+ if (lookup_symbol_name((unsigned long)sym, symname) < 0)
+ SEQ_printf(m, "<%pK>", sym);
+ else
+ SEQ_printf(m, "%s", symname);
++#endif
+ }
+
+ static void
+@@ -112,7 +116,11 @@ next_one:
+ static void
+ print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
+ {
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ SEQ_printf(m, " .base: %p\n", NULL);
++#else
+ SEQ_printf(m, " .base: %pK\n", base);
++#endif
+ SEQ_printf(m, " .index: %d\n",
+ base->index);
+ SEQ_printf(m, " .resolution: %Lu nsecs\n",
+@@ -293,7 +301,11 @@ static int __init init_timer_list_procfs(void)
+ {
+ struct proc_dir_entry *pe;
+
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops);
++#else
+ pe = proc_create("timer_list", 0444, NULL, &timer_list_fops);
++#endif
+ if (!pe)
+ return -ENOMEM;
+ return 0;
+diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
+index 0b537f2..40d6c20 100644
+--- a/kernel/time/timer_stats.c
++++ b/kernel/time/timer_stats.c
+@@ -116,7 +116,7 @@ static ktime_t time_start, time_stop;
+ static unsigned long nr_entries;
+ static struct entry entries[MAX_ENTRIES];
+
+-static atomic_t overflow_count;
++static atomic_unchecked_t overflow_count;
+
+ /*
+ * The entries are in a hash-table, for fast lookup:
+@@ -140,7 +140,7 @@ static void reset_entries(void)
+ nr_entries = 0;
+ memset(entries, 0, sizeof(entries));
+ memset(tstat_hash_table, 0, sizeof(tstat_hash_table));
+- atomic_set(&overflow_count, 0);
++ atomic_set_unchecked(&overflow_count, 0);
+ }
+
+ static struct entry *alloc_entry(void)
+@@ -261,7 +261,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
+ if (likely(entry))
+ entry->count++;
+ else
+- atomic_inc(&overflow_count);
++ atomic_inc_unchecked(&overflow_count);
+
+ out_unlock:
+ raw_spin_unlock_irqrestore(lock, flags);
+@@ -269,12 +269,16 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
+
+ static void print_name_offset(struct seq_file *m, unsigned long addr)
+ {
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ seq_printf(m, "<%p>", NULL);
++#else
+ char symname[KSYM_NAME_LEN];
+
+ if (lookup_symbol_name(addr, symname) < 0)
+- seq_printf(m, "<%p>", (void *)addr);
++ seq_printf(m, "<%pK>", (void *)addr);
+ else
+ seq_printf(m, "%s", symname);
++#endif
+ }
+
+ static int tstats_show(struct seq_file *m, void *v)
+@@ -300,9 +304,9 @@ static int tstats_show(struct seq_file *m, void *v)
+
+ seq_puts(m, "Timer Stats Version: v0.2\n");
+ seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms);
+- if (atomic_read(&overflow_count))
++ if (atomic_read_unchecked(&overflow_count))
+ seq_printf(m, "Overflow: %d entries\n",
+- atomic_read(&overflow_count));
++ atomic_read_unchecked(&overflow_count));
+
+ for (i = 0; i < nr_entries; i++) {
+ entry = entries + i;
+@@ -417,7 +421,11 @@ static int __init init_tstats_procfs(void)
+ {
+ struct proc_dir_entry *pe;
+
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++ pe = proc_create("timer_stats", 0600, NULL, &tstats_fops);
++#else
+ pe = proc_create("timer_stats", 0644, NULL, &tstats_fops);
++#endif
+ if (!pe)
+ return -ENOMEM;
+ return 0;
+diff --git a/kernel/timer.c b/kernel/timer.c
+index 46ef2b1..ad081f144 100644
+--- a/kernel/timer.c
++++ b/kernel/timer.c
+@@ -1377,7 +1377,7 @@ void update_process_times(int user_tick)
+ /*
+ * This function runs timers and the timer-tq in bottom half context.
+ */
+-static void run_timer_softirq(struct softirq_action *h)
++static void run_timer_softirq(void)
+ {
+ struct tvec_base *base = __this_cpu_read(tvec_bases);
+
+diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
+index c0bd030..62a1927 100644
+--- a/kernel/trace/blktrace.c
++++ b/kernel/trace/blktrace.c
+@@ -317,7 +317,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
+ struct blk_trace *bt = filp->private_data;
+ char buf[16];
+
+- snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped));
++ snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped));
+
+ return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
+ }
+@@ -375,7 +375,7 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf,
+ return 1;
+
+ bt = buf->chan->private_data;
+- atomic_inc(&bt->dropped);
++ atomic_inc_unchecked(&bt->dropped);
+ return 0;
+ }
+
+@@ -476,7 +476,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
+
+ bt->dir = dir;
+ bt->dev = dev;
+- atomic_set(&bt->dropped, 0);
++ atomic_set_unchecked(&bt->dropped, 0);
+
+ ret = -EIO;
+ bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt,
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index b4f20fb..483c5fa 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -1785,12 +1785,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec)
+ if (unlikely(ftrace_disabled))
+ return 0;
+
++ ret = ftrace_arch_code_modify_prepare();
++ FTRACE_WARN_ON(ret);
++ if (ret)
++ return 0;
++
+ ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
++ FTRACE_WARN_ON(ftrace_arch_code_modify_post_process());
+ if (ret) {
+ ftrace_bug(ret, ip);
+- return 0;
+ }
+- return 1;
++ return ret ? 0 : 1;
+ }
+
+ /*
+@@ -2885,7 +2890,7 @@ static void ftrace_free_entry_rcu(struct rcu_head *rhp)
+
+ int
+ register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
+- void *data)
++ void *data)
+ {
+ struct ftrace_func_probe *entry;
+ struct ftrace_page *pg;
+@@ -3697,8 +3702,10 @@ static int ftrace_process_locs(struct module *mod,
+ if (!count)
+ return 0;
+
++ pax_open_kernel();
+ sort(start, count, sizeof(*start),
+ ftrace_cmp_ips, ftrace_swap_ips);
++ pax_close_kernel();
+
+ start_pg = ftrace_allocate_pages(count);
+ if (!start_pg)
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 5c38c81..88012af 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -4437,10 +4437,9 @@ static const struct file_operations tracing_dyn_info_fops = {
+ };
+ #endif
+
+-static struct dentry *d_tracer;
+-
+ struct dentry *tracing_init_dentry(void)
+ {
++ static struct dentry *d_tracer;
+ static int once;
+
+ if (d_tracer)
+@@ -4460,10 +4459,9 @@ struct dentry *tracing_init_dentry(void)
+ return d_tracer;
+ }
+
+-static struct dentry *d_percpu;
+-
+ struct dentry *tracing_dentry_percpu(void)
+ {
++ static struct dentry *d_percpu;
+ static int once;
+ struct dentry *d_tracer;
+
+diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
+index 29111da..d190fe2 100644
+--- a/kernel/trace/trace_events.c
++++ b/kernel/trace/trace_events.c
+@@ -1308,10 +1308,6 @@ static LIST_HEAD(ftrace_module_file_list);
+ struct ftrace_module_file_ops {
+ struct list_head list;
+ struct module *mod;
+- struct file_operations id;
+- struct file_operations enable;
+- struct file_operations format;
+- struct file_operations filter;
+ };
+
+ static struct ftrace_module_file_ops *
+@@ -1332,17 +1328,12 @@ trace_create_file_ops(struct module *mod)
+
+ file_ops->mod = mod;
+
+- file_ops->id = ftrace_event_id_fops;
+- file_ops->id.owner = mod;
+-
+- file_ops->enable = ftrace_enable_fops;
+- file_ops->enable.owner = mod;
+-
+- file_ops->filter = ftrace_event_filter_fops;
+- file_ops->filter.owner = mod;
+-
+- file_ops->format = ftrace_event_format_fops;
+- file_ops->format.owner = mod;
++ pax_open_kernel();
++ *(void **)&mod->trace_id.owner = mod;
++ *(void **)&mod->trace_enable.owner = mod;
++ *(void **)&mod->trace_filter.owner = mod;
++ *(void **)&mod->trace_format.owner = mod;
++ pax_close_kernel();
+
+ list_add(&file_ops->list, &ftrace_module_file_list);
+
+@@ -1366,8 +1357,8 @@ static void trace_module_add_events(struct module *mod)
+
+ for_each_event(call, start, end) {
+ __trace_add_event_call(*call, mod,
+- &file_ops->id, &file_ops->enable,
+- &file_ops->filter, &file_ops->format);
++ &mod->trace_id, &mod->trace_enable,
++ &mod->trace_filter, &mod->trace_format);
+ }
+ }
+
+diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
+index fd3c8aa..5f324a6 100644
+--- a/kernel/trace/trace_mmiotrace.c
++++ b/kernel/trace/trace_mmiotrace.c
+@@ -24,7 +24,7 @@ struct header_iter {
+ static struct trace_array *mmio_trace_array;
+ static bool overrun_detected;
+ static unsigned long prev_overruns;
+-static atomic_t dropped_count;
++static atomic_unchecked_t dropped_count;
+
+ static void mmio_reset_data(struct trace_array *tr)
+ {
+@@ -127,7 +127,7 @@ static void mmio_close(struct trace_iterator *iter)
+
+ static unsigned long count_overruns(struct trace_iterator *iter)
+ {
+- unsigned long cnt = atomic_xchg(&dropped_count, 0);
++ unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0);
+ unsigned long over = ring_buffer_overruns(iter->tr->buffer);
+
+ if (over > prev_overruns)
+@@ -317,7 +317,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
+ event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
+ sizeof(*entry), 0, pc);
+ if (!event) {
+- atomic_inc(&dropped_count);
++ atomic_inc_unchecked(&dropped_count);
+ return;
+ }
+ entry = ring_buffer_event_data(event);
+@@ -347,7 +347,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
+ event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
+ sizeof(*entry), 0, pc);
+ if (!event) {
+- atomic_inc(&dropped_count);
++ atomic_inc_unchecked(&dropped_count);
+ return;
+ }
+ entry = ring_buffer_event_data(event);
+diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
+index 123b189..97b81f5 100644
+--- a/kernel/trace/trace_output.c
++++ b/kernel/trace/trace_output.c
+@@ -278,7 +278,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path)
+
+ p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len);
+ if (!IS_ERR(p)) {
+- p = mangle_path(s->buffer + s->len, p, "\n");
++ p = mangle_path(s->buffer + s->len, p, "\n\\");
+ if (p) {
+ s->len = p - s->buffer;
+ return 1;
+diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
+index d4545f4..a9010a1 100644
+--- a/kernel/trace/trace_stack.c
++++ b/kernel/trace/trace_stack.c
+@@ -53,7 +53,7 @@ static inline void check_stack(void)
+ return;
+
+ /* we do not handle interrupt stacks yet */
+- if (!object_is_on_stack(&this_size))
++ if (!object_starts_on_stack(&this_size))
+ return;
+
+ local_irq_save(flags);
+diff --git a/kernel/workqueue.c b/kernel/workqueue.c
+index 872bd6d..31601a2 100644
+--- a/kernel/workqueue.c
++++ b/kernel/workqueue.c
+@@ -1422,7 +1422,7 @@ retry:
+ /* morph UNBOUND to REBIND atomically */
+ worker_flags &= ~WORKER_UNBOUND;
+ worker_flags |= WORKER_REBIND;
+- ACCESS_ONCE(worker->flags) = worker_flags;
++ ACCESS_ONCE_RW(worker->flags) = worker_flags;
+
+ idle_rebind.cnt++;
+ worker->idle_rebind = &idle_rebind;
+@@ -1448,7 +1448,7 @@ retry:
+ /* morph UNBOUND to REBIND atomically */
+ worker_flags &= ~WORKER_UNBOUND;
+ worker_flags |= WORKER_REBIND;
+- ACCESS_ONCE(worker->flags) = worker_flags;
++ ACCESS_ONCE_RW(worker->flags) = worker_flags;
+
+ if (test_and_set_bit(WORK_STRUCT_PENDING_BIT,
+ work_data_bits(rebind_work)))
+diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
+index 2403a63..5c4be4c 100644
+--- a/lib/Kconfig.debug
++++ b/lib/Kconfig.debug
+@@ -1252,6 +1252,7 @@ config LATENCYTOP
+ depends on DEBUG_KERNEL
+ depends on STACKTRACE_SUPPORT
+ depends on PROC_FS
++ depends on !GRKERNSEC_HIDESYM
+ select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND
+ select KALLSYMS
+ select KALLSYMS_ALL
+@@ -1267,7 +1268,7 @@ source kernel/trace/Kconfig
+
+ config PROVIDE_OHCI1394_DMA_INIT
+ bool "Remote debugging over FireWire early on boot"
+- depends on PCI && X86
++ depends on PCI && X86 && !GRKERNSEC
+ help
+ If you want to debug problems which hang or crash the kernel early
+ on boot and the crashing machine has a FireWire port, you can use
+@@ -1296,7 +1297,7 @@ config PROVIDE_OHCI1394_DMA_INIT
+
+ config FIREWIRE_OHCI_REMOTE_DMA
+ bool "Remote debugging over FireWire with firewire-ohci"
+- depends on FIREWIRE_OHCI
++ depends on FIREWIRE_OHCI && !GRKERNSEC
+ help
+ This option lets you use the FireWire bus for remote debugging
+ with help of the firewire-ohci driver. It enables unfiltered
+diff --git a/lib/bitmap.c b/lib/bitmap.c
+index 06fdfa1..97c5c7d 100644
+--- a/lib/bitmap.c
++++ b/lib/bitmap.c
+@@ -422,7 +422,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
+ {
+ int c, old_c, totaldigits, ndigits, nchunks, nbits;
+ u32 chunk;
+- const char __user __force *ubuf = (const char __user __force *)buf;
++ const char __user *ubuf = (const char __force_user *)buf;
+
+ bitmap_zero(maskp, nmaskbits);
+
+@@ -507,7 +507,7 @@ int bitmap_parse_user(const char __user *ubuf,
+ {
+ if (!access_ok(VERIFY_READ, ubuf, ulen))
+ return -EFAULT;
+- return __bitmap_parse((const char __force *)ubuf,
++ return __bitmap_parse((const char __force_kernel *)ubuf,
+ ulen, 1, maskp, nmaskbits);
+
+ }
+@@ -598,7 +598,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen,
+ {
+ unsigned a, b;
+ int c, old_c, totaldigits;
+- const char __user __force *ubuf = (const char __user __force *)buf;
++ const char __user *ubuf = (const char __force_user *)buf;
+ int exp_digit, in_range;
+
+ totaldigits = c = 0;
+@@ -698,7 +698,7 @@ int bitmap_parselist_user(const char __user *ubuf,
+ {
+ if (!access_ok(VERIFY_READ, ubuf, ulen))
+ return -EFAULT;
+- return __bitmap_parselist((const char __force *)ubuf,
++ return __bitmap_parselist((const char __force_kernel *)ubuf,
+ ulen, 1, maskp, nmaskbits);
+ }
+ EXPORT_SYMBOL(bitmap_parselist_user);
+diff --git a/lib/bug.c b/lib/bug.c
+index a28c141..2bd3d95 100644
+--- a/lib/bug.c
++++ b/lib/bug.c
+@@ -133,6 +133,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
+ return BUG_TRAP_TYPE_NONE;
+
+ bug = find_bug(bugaddr);
++ if (!bug)
++ return BUG_TRAP_TYPE_NONE;
+
+ file = NULL;
+ line = 0;
+diff --git a/lib/debugobjects.c b/lib/debugobjects.c
+index d11808c..dc2d6f8 100644
+--- a/lib/debugobjects.c
++++ b/lib/debugobjects.c
+@@ -287,7 +287,7 @@ static void debug_object_is_on_stack(void *addr, int onstack)
+ if (limit > 4)
+ return;
+
+- is_on_stack = object_is_on_stack(addr);
++ is_on_stack = object_starts_on_stack(addr);
+ if (is_on_stack == onstack)
+ return;
+
+diff --git a/lib/devres.c b/lib/devres.c
+index 80b9c76..9e32279 100644
+--- a/lib/devres.c
++++ b/lib/devres.c
+@@ -80,7 +80,7 @@ EXPORT_SYMBOL(devm_ioremap_nocache);
+ void devm_iounmap(struct device *dev, void __iomem *addr)
+ {
+ WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match,
+- (void *)addr));
++ (void __force *)addr));
+ iounmap(addr);
+ }
+ EXPORT_SYMBOL(devm_iounmap);
+@@ -192,7 +192,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr)
+ {
+ ioport_unmap(addr);
+ WARN_ON(devres_destroy(dev, devm_ioport_map_release,
+- devm_ioport_map_match, (void *)addr));
++ devm_ioport_map_match, (void __force *)addr));
+ }
+ EXPORT_SYMBOL(devm_ioport_unmap);
+
+diff --git a/lib/dma-debug.c b/lib/dma-debug.c
+index 66ce414..6f0a0dd 100644
+--- a/lib/dma-debug.c
++++ b/lib/dma-debug.c
+@@ -924,7 +924,7 @@ out:
+
+ static void check_for_stack(struct device *dev, void *addr)
+ {
+- if (object_is_on_stack(addr))
++ if (object_starts_on_stack(addr))
+ err_printk(dev, NULL, "DMA-API: device driver maps memory from"
+ "stack [addr=%p]\n", addr);
+ }
+diff --git a/lib/inflate.c b/lib/inflate.c
+index 013a761..c28f3fc 100644
+--- a/lib/inflate.c
++++ b/lib/inflate.c
+@@ -269,7 +269,7 @@ static void free(void *where)
+ malloc_ptr = free_mem_ptr;
+ }
+ #else
+-#define malloc(a) kmalloc(a, GFP_KERNEL)
++#define malloc(a) kmalloc((a), GFP_KERNEL)
+ #define free(a) kfree(a)
+ #endif
+
+diff --git a/lib/ioremap.c b/lib/ioremap.c
+index 0c9216c..863bd89 100644
+--- a/lib/ioremap.c
++++ b/lib/ioremap.c
+@@ -38,7 +38,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
+ unsigned long next;
+
+ phys_addr -= addr;
+- pmd = pmd_alloc(&init_mm, pud, addr);
++ pmd = pmd_alloc_kernel(&init_mm, pud, addr);
+ if (!pmd)
+ return -ENOMEM;
+ do {
+@@ -56,7 +56,7 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr,
+ unsigned long next;
+
+ phys_addr -= addr;
+- pud = pud_alloc(&init_mm, pgd, addr);
++ pud = pud_alloc_kernel(&init_mm, pgd, addr);
+ if (!pud)
+ return -ENOMEM;
+ do {
+diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c
+index bd2bea9..6b3c95e 100644
+--- a/lib/is_single_threaded.c
++++ b/lib/is_single_threaded.c
+@@ -22,6 +22,9 @@ bool current_is_single_threaded(void)
+ struct task_struct *p, *t;
+ bool ret;
+
++ if (!mm)
++ return true;
++
+ if (atomic_read(&task->signal->live) != 1)
+ return false;
+
+diff --git a/lib/radix-tree.c b/lib/radix-tree.c
+index e796429..6e38f9f 100644
+--- a/lib/radix-tree.c
++++ b/lib/radix-tree.c
+@@ -92,7 +92,7 @@ struct radix_tree_preload {
+ int nr;
+ struct radix_tree_node *nodes[RADIX_TREE_PRELOAD_SIZE];
+ };
+-static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
++static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads);
+
+ static inline void *ptr_to_indirect(void *ptr)
+ {
+diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
+index bb2b201..46abaf9 100644
+--- a/lib/strncpy_from_user.c
++++ b/lib/strncpy_from_user.c
+@@ -21,7 +21,7 @@
+ */
+ static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max)
+ {
+- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
++ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+ long res = 0;
+
+ /*
+diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
+index a28df52..3d55877 100644
+--- a/lib/strnlen_user.c
++++ b/lib/strnlen_user.c
+@@ -26,7 +26,7 @@
+ */
+ static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max)
+ {
+- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
++ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+ long align, res = 0;
+ unsigned long c;
+
+diff --git a/lib/vsprintf.c b/lib/vsprintf.c
+index 0e33754..50a0e63 100644
+--- a/lib/vsprintf.c
++++ b/lib/vsprintf.c
+@@ -16,6 +16,9 @@
+ * - scnprintf and vscnprintf
+ */
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++#define __INCLUDED_BY_HIDESYM 1
++#endif
+ #include <stdarg.h>
+ #include <linux/module.h> /* for KSYM_SYMBOL_LEN */
+ #include <linux/types.h>
+@@ -536,7 +539,7 @@ char *symbol_string(char *buf, char *end, void *ptr,
+ char sym[KSYM_SYMBOL_LEN];
+ if (ext == 'B')
+ sprint_backtrace(sym, value);
+- else if (ext != 'f' && ext != 's')
++ else if (ext != 'f' && ext != 's' && ext != 'a')
+ sprint_symbol(sym, value);
+ else
+ sprint_symbol_no_offset(sym, value);
+@@ -969,7 +972,11 @@ char *netdev_feature_string(char *buf, char *end, const u8 *addr,
+ return number(buf, end, *(const netdev_features_t *)addr, spec);
+ }
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++int kptr_restrict __read_mostly = 2;
++#else
+ int kptr_restrict __read_mostly;
++#endif
+
+ /*
+ * Show a '%p' thing. A kernel extension is that the '%p' is followed
+@@ -983,6 +990,8 @@ int kptr_restrict __read_mostly;
+ * - 'S' For symbolic direct pointers with offset
+ * - 's' For symbolic direct pointers without offset
+ * - 'B' For backtraced symbolic direct pointers with offset
++ * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM
++ * - 'a' For symbolic direct pointers without offset approved for use with GRKERNSEC_HIDESYM
+ * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref]
+ * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201]
+ * - 'M' For a 6-byte MAC address, it prints the address in the
+@@ -1038,12 +1047,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+
+ if (!ptr && *fmt != 'K') {
+ /*
+- * Print (null) with the same width as a pointer so it makes
++ * Print (nil) with the same width as a pointer so it makes
+ * tabular output look nice.
+ */
+ if (spec.field_width == -1)
+ spec.field_width = default_width;
+- return string(buf, end, "(null)", spec);
++ return string(buf, end, "(nil)", spec);
+ }
+
+ switch (*fmt) {
+@@ -1053,6 +1062,13 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+ /* Fallthrough */
+ case 'S':
+ case 's':
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ break;
++#else
++ return symbol_string(buf, end, ptr, spec, *fmt);
++#endif
++ case 'A':
++ case 'a':
+ case 'B':
+ return symbol_string(buf, end, ptr, spec, *fmt);
+ case 'R':
+@@ -1093,6 +1109,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+ va_end(va);
+ return buf;
+ }
++ case 'P':
++ break;
+ case 'K':
+ /*
+ * %pK cannot be used in IRQ context because its test
+@@ -1116,6 +1134,21 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+ }
+ break;
+ }
++
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ /* 'P' = approved pointers to copy to userland,
++ as in the /proc/kallsyms case, as we make it display nothing
++ for non-root users, and the real contents for root users
++ Also ignore 'K' pointers, since we force their NULLing for non-root users
++ above
++ */
++ if (ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'K' && is_usercopy_object(buf)) {
++ printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender(a)grsecurity.net.\n");
++ dump_stack();
++ ptr = NULL;
++ }
++#endif
++
+ spec.flags |= SMALL;
+ if (spec.field_width == -1) {
+ spec.field_width = default_width;
+@@ -1831,11 +1864,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
+ typeof(type) value; \
+ if (sizeof(type) == 8) { \
+ args = PTR_ALIGN(args, sizeof(u32)); \
+- *(u32 *)&value = *(u32 *)args; \
+- *((u32 *)&value + 1) = *(u32 *)(args + 4); \
++ *(u32 *)&value = *(const u32 *)args; \
++ *((u32 *)&value + 1) = *(const u32 *)(args + 4); \
+ } else { \
+ args = PTR_ALIGN(args, sizeof(type)); \
+- value = *(typeof(type) *)args; \
++ value = *(const typeof(type) *)args; \
+ } \
+ args += sizeof(type); \
+ value; \
+@@ -1898,7 +1931,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
+ case FORMAT_TYPE_STR: {
+ const char *str_arg = args;
+ args += strlen(str_arg) + 1;
+- str = string(str, end, (char *)str_arg, spec);
++ str = string(str, end, str_arg, spec);
+ break;
+ }
+
+diff --git a/localversion-grsec b/localversion-grsec
+new file mode 100644
+index 0000000..7cd6065
+--- /dev/null
++++ b/localversion-grsec
+@@ -0,0 +1 @@
++-grsec
+diff --git a/mm/Kconfig b/mm/Kconfig
+index d5c8019..f513038 100644
+--- a/mm/Kconfig
++++ b/mm/Kconfig
+@@ -251,10 +251,10 @@ config KSM
+ root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set).
+
+ config DEFAULT_MMAP_MIN_ADDR
+- int "Low address space to protect from user allocation"
++ int "Low address space to protect from user allocation"
+ depends on MMU
+- default 4096
+- help
++ default 65536
++ help
+ This is the portion of low virtual memory which should be protected
+ from userspace allocation. Keeping a user from writing to low pages
+ can help reduce the impact of kernel NULL pointer bugs.
+@@ -285,7 +285,7 @@ config MEMORY_FAILURE
+
+ config HWPOISON_INJECT
+ tristate "HWPoison pages injector"
+- depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS
++ depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS && !GRKERNSEC
+ select PROC_PAGE_MONITOR
+
+ config NOMMU_INITIAL_TRIM_EXCESS
+diff --git a/mm/filemap.c b/mm/filemap.c
+index 3843445..4fe6833 100644
+--- a/mm/filemap.c
++++ b/mm/filemap.c
+@@ -1746,7 +1746,7 @@ int generic_file_mmap(struct file * file, struct vm_area_struct * vma)
+ struct address_space *mapping = file->f_mapping;
+
+ if (!mapping->a_ops->readpage)
+- return -ENOEXEC;
++ return -ENODEV;
+ file_accessed(file);
+ vma->vm_ops = &generic_file_vm_ops;
+ vma->vm_flags |= VM_CAN_NONLINEAR;
+@@ -2087,6 +2087,7 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i
+ *pos = i_size_read(inode);
+
+ if (limit != RLIM_INFINITY) {
++ gr_learn_resource(current, RLIMIT_FSIZE,*pos, 0);
+ if (*pos >= limit) {
+ send_sig(SIGXFSZ, current, 0);
+ return -EFBIG;
+diff --git a/mm/fremap.c b/mm/fremap.c
+index 9ed4fd4..c42648d 100644
+--- a/mm/fremap.c
++++ b/mm/fremap.c
+@@ -155,6 +155,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
+ retry:
+ vma = find_vma(mm, start);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC))
++ goto out;
++#endif
++
+ /*
+ * Make sure the vma is shared, that it supports prefaulting,
+ * and that the remapped range is valid and fully within
+diff --git a/mm/highmem.c b/mm/highmem.c
+index d517cd1..006a1c5 100644
+--- a/mm/highmem.c
++++ b/mm/highmem.c
+@@ -137,9 +137,10 @@ static void flush_all_zero_pkmaps(void)
+ * So no dangers, even with speculative execution.
+ */
+ page = pte_page(pkmap_page_table[i]);
++ pax_open_kernel();
+ pte_clear(&init_mm, (unsigned long)page_address(page),
+ &pkmap_page_table[i]);
+-
++ pax_close_kernel();
+ set_page_address(page, NULL);
+ need_flush = 1;
+ }
+@@ -198,9 +199,11 @@ start:
+ }
+ }
+ vaddr = PKMAP_ADDR(last_pkmap_nr);
++
++ pax_open_kernel();
+ set_pte_at(&init_mm, vaddr,
+ &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot));
+-
++ pax_close_kernel();
+ pkmap_count[last_pkmap_nr] = 1;
+ set_page_address(page, (void *)vaddr);
+
+diff --git a/mm/huge_memory.c b/mm/huge_memory.c
+index 141dbb6..ebff057 100644
+--- a/mm/huge_memory.c
++++ b/mm/huge_memory.c
+@@ -735,7 +735,7 @@ out:
+ * run pte_offset_map on the pmd, if an huge pmd could
+ * materialize from under us from a different thread.
+ */
+- if (unlikely(__pte_alloc(mm, vma, pmd, address)))
++ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address)))
+ return VM_FAULT_OOM;
+ /* if an huge pmd materialized from under us just retry later */
+ if (unlikely(pmd_trans_huge(*pmd)))
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index 3adceaf..dccfea3 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -2512,6 +2512,27 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
+ return 1;
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m)
++{
++ struct mm_struct *mm = vma->vm_mm;
++ struct vm_area_struct *vma_m;
++ unsigned long address_m;
++ pte_t *ptep_m;
++
++ vma_m = pax_find_mirror_vma(vma);
++ if (!vma_m)
++ return;
++
++ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
++ address_m = address + SEGMEXEC_TASK_SIZE;
++ ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK);
++ get_page(page_m);
++ hugepage_add_anon_rmap(page_m, vma_m, address_m);
++ set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0));
++}
++#endif
++
+ /*
+ * Hugetlb_cow() should be called with page lock of the original hugepage held.
+ * Called with hugetlb_instantiation_mutex held and pte_page locked so we
+@@ -2628,6 +2649,11 @@ retry_avoidcopy:
+ make_huge_pte(vma, new_page, 1));
+ page_remove_rmap(old_page);
+ hugepage_add_new_anon_rmap(new_page, vma, address);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_huge_pte(vma, address, new_page);
++#endif
++
+ /* Make the old page be freed below */
+ new_page = old_page;
+ mmu_notifier_invalidate_range_end(mm,
+@@ -2786,6 +2812,10 @@ retry:
+ && (vma->vm_flags & VM_SHARED)));
+ set_huge_pte_at(mm, address, ptep, new_pte);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_huge_pte(vma, address, page);
++#endif
++
+ if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
+ /* Optimization, do the COW without a second fault */
+ ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page);
+@@ -2815,6 +2845,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ static DEFINE_MUTEX(hugetlb_instantiation_mutex);
+ struct hstate *h = hstate_vma(vma);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ address &= huge_page_mask(h);
+
+ ptep = huge_pte_offset(mm, address);
+@@ -2828,6 +2862,26 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ VM_FAULT_SET_HINDEX(hstate_index(h));
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m) {
++ unsigned long address_m;
++
++ if (vma->vm_start > vma_m->vm_start) {
++ address_m = address;
++ address -= SEGMEXEC_TASK_SIZE;
++ vma = vma_m;
++ h = hstate_vma(vma);
++ } else
++ address_m = address + SEGMEXEC_TASK_SIZE;
++
++ if (!huge_pte_alloc(mm, address_m, huge_page_size(h)))
++ return VM_FAULT_OOM;
++ address_m &= HPAGE_MASK;
++ unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL);
++ }
++#endif
++
+ ptep = huge_pte_alloc(mm, address, huge_page_size(h));
+ if (!ptep)
+ return VM_FAULT_OOM;
+diff --git a/mm/internal.h b/mm/internal.h
+index b8c91b3..93e95a3 100644
+--- a/mm/internal.h
++++ b/mm/internal.h
+@@ -95,6 +95,7 @@ extern void putback_lru_page(struct page *page);
+ * in mm/page_alloc.c
+ */
+ extern void __free_pages_bootmem(struct page *page, unsigned int order);
++extern void free_compound_page(struct page *page);
+ extern void prep_compound_page(struct page *page, unsigned long order);
+ #ifdef CONFIG_MEMORY_FAILURE
+ extern bool is_free_buddy_page(struct page *page);
+diff --git a/mm/kmemleak.c b/mm/kmemleak.c
+index 45eb621..6ccd8ea 100644
+--- a/mm/kmemleak.c
++++ b/mm/kmemleak.c
+@@ -363,7 +363,7 @@ static void print_unreferenced(struct seq_file *seq,
+
+ for (i = 0; i < object->trace_len; i++) {
+ void *ptr = (void *)object->trace[i];
+- seq_printf(seq, " [<%p>] %pS\n", ptr, ptr);
++ seq_printf(seq, " [<%p>] %pA\n", ptr, ptr);
+ }
+ }
+
+diff --git a/mm/maccess.c b/mm/maccess.c
+index d53adf9..03a24bf 100644
+--- a/mm/maccess.c
++++ b/mm/maccess.c
+@@ -26,7 +26,7 @@ long __probe_kernel_read(void *dst, const void *src, size_t size)
+ set_fs(KERNEL_DS);
+ pagefault_disable();
+ ret = __copy_from_user_inatomic(dst,
+- (__force const void __user *)src, size);
++ (const void __force_user *)src, size);
+ pagefault_enable();
+ set_fs(old_fs);
+
+@@ -53,7 +53,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size)
+
+ set_fs(KERNEL_DS);
+ pagefault_disable();
+- ret = __copy_to_user_inatomic((__force void __user *)dst, src, size);
++ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
+ pagefault_enable();
+ set_fs(old_fs);
+
+diff --git a/mm/madvise.c b/mm/madvise.c
+index 14d260f..b2a80fd 100644
+--- a/mm/madvise.c
++++ b/mm/madvise.c
+@@ -48,6 +48,10 @@ static long madvise_behavior(struct vm_area_struct * vma,
+ pgoff_t pgoff;
+ unsigned long new_flags = vma->vm_flags;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ switch (behavior) {
+ case MADV_NORMAL:
+ new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;
+@@ -119,6 +123,13 @@ success:
+ /*
+ * vm_flags is protected by the mmap_sem held in write mode.
+ */
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m)
++ vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT);
++#endif
++
+ vma->vm_flags = new_flags;
+
+ out:
+@@ -177,6 +188,11 @@ static long madvise_dontneed(struct vm_area_struct * vma,
+ struct vm_area_struct ** prev,
+ unsigned long start, unsigned long end)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ *prev = vma;
+ if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP))
+ return -EINVAL;
+@@ -189,6 +205,21 @@ static long madvise_dontneed(struct vm_area_struct * vma,
+ zap_page_range(vma, start, end - start, &details);
+ } else
+ zap_page_range(vma, start, end - start, NULL);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m) {
++ if (unlikely(vma->vm_flags & VM_NONLINEAR)) {
++ struct zap_details details = {
++ .nonlinear_vma = vma_m,
++ .last_index = ULONG_MAX,
++ };
++ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, &details);
++ } else
++ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, NULL);
++ }
++#endif
++
+ return 0;
+ }
+
+@@ -393,6 +424,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
+ if (end < start)
+ goto out;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
++ if (end > SEGMEXEC_TASK_SIZE)
++ goto out;
++ } else
++#endif
++
++ if (end > TASK_SIZE)
++ goto out;
++
+ error = 0;
+ if (end == start)
+ goto out;
+diff --git a/mm/memory-failure.c b/mm/memory-failure.c
+index a6e2141..eaf5aad 100644
+--- a/mm/memory-failure.c
++++ b/mm/memory-failure.c
+@@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0;
+
+ int sysctl_memory_failure_recovery __read_mostly = 1;
+
+-atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
++atomic_long_unchecked_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
+
+ #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
+
+@@ -202,7 +202,7 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno,
+ pfn, t->comm, t->pid);
+ si.si_signo = SIGBUS;
+ si.si_errno = 0;
+- si.si_addr = (void *)addr;
++ si.si_addr = (void __user *)addr;
+ #ifdef __ARCH_SI_TRAPNO
+ si.si_trapno = trapno;
+ #endif
+@@ -1038,7 +1038,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
+ }
+
+ nr_pages = 1 << compound_trans_order(hpage);
+- atomic_long_add(nr_pages, &mce_bad_pages);
++ atomic_long_add_unchecked(nr_pages, &mce_bad_pages);
+
+ /*
+ * We need/can do nothing about count=0 pages.
+@@ -1068,7 +1068,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
+ if (!PageHWPoison(hpage)
+ || (hwpoison_filter(p) && TestClearPageHWPoison(p))
+ || (p != hpage && TestSetPageHWPoison(hpage))) {
+- atomic_long_sub(nr_pages, &mce_bad_pages);
++ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
+ return 0;
+ }
+ set_page_hwpoison_huge_page(hpage);
+@@ -1126,7 +1126,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
+ }
+ if (hwpoison_filter(p)) {
+ if (TestClearPageHWPoison(p))
+- atomic_long_sub(nr_pages, &mce_bad_pages);
++ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
+ unlock_page(hpage);
+ put_page(hpage);
+ return 0;
+@@ -1321,7 +1321,7 @@ int unpoison_memory(unsigned long pfn)
+ return 0;
+ }
+ if (TestClearPageHWPoison(p))
+- atomic_long_sub(nr_pages, &mce_bad_pages);
++ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
+ pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
+ return 0;
+ }
+@@ -1335,7 +1335,7 @@ int unpoison_memory(unsigned long pfn)
+ */
+ if (TestClearPageHWPoison(page)) {
+ pr_info("MCE: Software-unpoisoned page %#lx\n", pfn);
+- atomic_long_sub(nr_pages, &mce_bad_pages);
++ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages);
+ freeit = 1;
+ if (PageHuge(page))
+ clear_page_hwpoison_huge_page(page);
+@@ -1440,7 +1440,7 @@ static int soft_offline_huge_page(struct page *page, int flags)
+ }
+ done:
+ if (!PageHWPoison(hpage))
+- atomic_long_add(1 << compound_trans_order(hpage),
++ atomic_long_add_unchecked(1 << compound_trans_order(hpage),
+ &mce_bad_pages);
+ set_page_hwpoison_huge_page(hpage);
+ dequeue_hwpoisoned_huge_page(hpage);
+@@ -1572,7 +1572,7 @@ int soft_offline_page(struct page *page, int flags)
+ return ret;
+
+ done:
+- atomic_long_add(1, &mce_bad_pages);
++ atomic_long_add_unchecked(1, &mce_bad_pages);
+ SetPageHWPoison(page);
+ /* keep elevated page count for bad page */
+ return ret;
+diff --git a/mm/memory.c b/mm/memory.c
+index 5736170..8e04800 100644
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -426,6 +426,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
+ free_pte_range(tlb, pmd, addr);
+ } while (pmd++, addr = next, addr != end);
+
++#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD)
+ start &= PUD_MASK;
+ if (start < floor)
+ return;
+@@ -440,6 +441,8 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
+ pmd = pmd_offset(pud, start);
+ pud_clear(pud);
+ pmd_free_tlb(tlb, pmd, start);
++#endif
++
+ }
+
+ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
+@@ -459,6 +462,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
+ free_pmd_range(tlb, pud, addr, next, floor, ceiling);
+ } while (pud++, addr = next, addr != end);
+
++#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD)
+ start &= PGDIR_MASK;
+ if (start < floor)
+ return;
+@@ -473,6 +477,8 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
+ pud = pud_offset(pgd, start);
+ pgd_clear(pgd);
+ pud_free_tlb(tlb, pud, start);
++#endif
++
+ }
+
+ /*
+@@ -1614,12 +1620,6 @@ no_page_table:
+ return page;
+ }
+
+-static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)
+-{
+- return stack_guard_page_start(vma, addr) ||
+- stack_guard_page_end(vma, addr+PAGE_SIZE);
+-}
+-
+ /**
+ * __get_user_pages() - pin user pages in memory
+ * @tsk: task_struct of target task
+@@ -1692,10 +1692,10 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+ (VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);
+ i = 0;
+
+- do {
++ while (nr_pages) {
+ struct vm_area_struct *vma;
+
+- vma = find_extend_vma(mm, start);
++ vma = find_vma(mm, start);
+ if (!vma && in_gate_area(mm, start)) {
+ unsigned long pg = start & PAGE_MASK;
+ pgd_t *pgd;
+@@ -1743,7 +1743,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+ goto next_page;
+ }
+
+- if (!vma ||
++ if (!vma || start < vma->vm_start ||
+ (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||
+ !(vm_flags & vma->vm_flags))
+ return i ? : -EFAULT;
+@@ -1770,11 +1770,6 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+ int ret;
+ unsigned int fault_flags = 0;
+
+- /* For mlock, just skip the stack guard page. */
+- if (foll_flags & FOLL_MLOCK) {
+- if (stack_guard_page(vma, start))
+- goto next_page;
+- }
+ if (foll_flags & FOLL_WRITE)
+ fault_flags |= FAULT_FLAG_WRITE;
+ if (nonblocking)
+@@ -1848,7 +1843,7 @@ next_page:
+ start += PAGE_SIZE;
+ nr_pages--;
+ } while (nr_pages && start < vma->vm_end);
+- } while (nr_pages);
++ }
+ return i;
+ }
+ EXPORT_SYMBOL(__get_user_pages);
+@@ -2055,6 +2050,10 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
+ page_add_file_rmap(page);
+ set_pte_at(mm, addr, pte, mk_pte(page, prot));
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_file_pte(vma, addr, page, ptl);
++#endif
++
+ retval = 0;
+ pte_unmap_unlock(pte, ptl);
+ return retval;
+@@ -2089,10 +2088,22 @@ out:
+ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
+ struct page *page)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ if (addr < vma->vm_start || addr >= vma->vm_end)
+ return -EFAULT;
+ if (!page_count(page))
+ return -EINVAL;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m)
++ vma_m->vm_flags |= VM_INSERTPAGE;
++#endif
++
+ vma->vm_flags |= VM_INSERTPAGE;
+ return insert_page(vma, addr, page, vma->vm_page_prot);
+ }
+@@ -2178,6 +2189,7 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
+ unsigned long pfn)
+ {
+ BUG_ON(!(vma->vm_flags & VM_MIXEDMAP));
++ BUG_ON(vma->vm_mirror);
+
+ if (addr < vma->vm_start || addr >= vma->vm_end)
+ return -EFAULT;
+@@ -2385,7 +2397,9 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,
+
+ BUG_ON(pud_huge(*pud));
+
+- pmd = pmd_alloc(mm, pud, addr);
++ pmd = (mm == &init_mm) ?
++ pmd_alloc_kernel(mm, pud, addr) :
++ pmd_alloc(mm, pud, addr);
+ if (!pmd)
+ return -ENOMEM;
+ do {
+@@ -2405,7 +2419,9 @@ static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long next;
+ int err;
+
+- pud = pud_alloc(mm, pgd, addr);
++ pud = (mm == &init_mm) ?
++ pud_alloc_kernel(mm, pgd, addr) :
++ pud_alloc(mm, pgd, addr);
+ if (!pud)
+ return -ENOMEM;
+ do {
+@@ -2493,6 +2509,186 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
+ copy_user_highpage(dst, src, va, vma);
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd)
++{
++ struct mm_struct *mm = vma->vm_mm;
++ spinlock_t *ptl;
++ pte_t *pte, entry;
++
++ pte = pte_offset_map_lock(mm, pmd, address, &ptl);
++ entry = *pte;
++ if (!pte_present(entry)) {
++ if (!pte_none(entry)) {
++ BUG_ON(pte_file(entry));
++ free_swap_and_cache(pte_to_swp_entry(entry));
++ pte_clear_not_present_full(mm, address, pte, 0);
++ }
++ } else {
++ struct page *page;
++
++ flush_cache_page(vma, address, pte_pfn(entry));
++ entry = ptep_clear_flush(vma, address, pte);
++ BUG_ON(pte_dirty(entry));
++ page = vm_normal_page(vma, address, entry);
++ if (page) {
++ update_hiwater_rss(mm);
++ if (PageAnon(page))
++ dec_mm_counter_fast(mm, MM_ANONPAGES);
++ else
++ dec_mm_counter_fast(mm, MM_FILEPAGES);
++ page_remove_rmap(page);
++ page_cache_release(page);
++ }
++ }
++ pte_unmap_unlock(pte, ptl);
++}
++
++/* PaX: if vma is mirrored, synchronize the mirror's PTE
++ *
++ * the ptl of the lower mapped page is held on entry and is not released on exit
++ * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc)
++ */
++static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
++{
++ struct mm_struct *mm = vma->vm_mm;
++ unsigned long address_m;
++ spinlock_t *ptl_m;
++ struct vm_area_struct *vma_m;
++ pmd_t *pmd_m;
++ pte_t *pte_m, entry_m;
++
++ BUG_ON(!page_m || !PageAnon(page_m));
++
++ vma_m = pax_find_mirror_vma(vma);
++ if (!vma_m)
++ return;
++
++ BUG_ON(!PageLocked(page_m));
++ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
++ address_m = address + SEGMEXEC_TASK_SIZE;
++ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
++ pte_m = pte_offset_map(pmd_m, address_m);
++ ptl_m = pte_lockptr(mm, pmd_m);
++ if (ptl != ptl_m) {
++ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
++ if (!pte_none(*pte_m))
++ goto out;
++ }
++
++ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
++ page_cache_get(page_m);
++ page_add_anon_rmap(page_m, vma_m, address_m);
++ inc_mm_counter_fast(mm, MM_ANONPAGES);
++ set_pte_at(mm, address_m, pte_m, entry_m);
++ update_mmu_cache(vma_m, address_m, entry_m);
++out:
++ if (ptl != ptl_m)
++ spin_unlock(ptl_m);
++ pte_unmap(pte_m);
++ unlock_page(page_m);
++}
++
++void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
++{
++ struct mm_struct *mm = vma->vm_mm;
++ unsigned long address_m;
++ spinlock_t *ptl_m;
++ struct vm_area_struct *vma_m;
++ pmd_t *pmd_m;
++ pte_t *pte_m, entry_m;
++
++ BUG_ON(!page_m || PageAnon(page_m));
++
++ vma_m = pax_find_mirror_vma(vma);
++ if (!vma_m)
++ return;
++
++ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
++ address_m = address + SEGMEXEC_TASK_SIZE;
++ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
++ pte_m = pte_offset_map(pmd_m, address_m);
++ ptl_m = pte_lockptr(mm, pmd_m);
++ if (ptl != ptl_m) {
++ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
++ if (!pte_none(*pte_m))
++ goto out;
++ }
++
++ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
++ page_cache_get(page_m);
++ page_add_file_rmap(page_m);
++ inc_mm_counter_fast(mm, MM_FILEPAGES);
++ set_pte_at(mm, address_m, pte_m, entry_m);
++ update_mmu_cache(vma_m, address_m, entry_m);
++out:
++ if (ptl != ptl_m)
++ spin_unlock(ptl_m);
++ pte_unmap(pte_m);
++}
++
++static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl)
++{
++ struct mm_struct *mm = vma->vm_mm;
++ unsigned long address_m;
++ spinlock_t *ptl_m;
++ struct vm_area_struct *vma_m;
++ pmd_t *pmd_m;
++ pte_t *pte_m, entry_m;
++
++ vma_m = pax_find_mirror_vma(vma);
++ if (!vma_m)
++ return;
++
++ BUG_ON(address >= SEGMEXEC_TASK_SIZE);
++ address_m = address + SEGMEXEC_TASK_SIZE;
++ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
++ pte_m = pte_offset_map(pmd_m, address_m);
++ ptl_m = pte_lockptr(mm, pmd_m);
++ if (ptl != ptl_m) {
++ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
++ if (!pte_none(*pte_m))
++ goto out;
++ }
++
++ entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot);
++ set_pte_at(mm, address_m, pte_m, entry_m);
++out:
++ if (ptl != ptl_m)
++ spin_unlock(ptl_m);
++ pte_unmap(pte_m);
++}
++
++static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl)
++{
++ struct page *page_m;
++ pte_t entry;
++
++ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC))
++ goto out;
++
++ entry = *pte;
++ page_m = vm_normal_page(vma, address, entry);
++ if (!page_m)
++ pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl);
++ else if (PageAnon(page_m)) {
++ if (pax_find_mirror_vma(vma)) {
++ pte_unmap_unlock(pte, ptl);
++ lock_page(page_m);
++ pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl);
++ if (pte_same(entry, *pte))
++ pax_mirror_anon_pte(vma, address, page_m, ptl);
++ else
++ unlock_page(page_m);
++ }
++ } else
++ pax_mirror_file_pte(vma, address, page_m, ptl);
++
++out:
++ pte_unmap_unlock(pte, ptl);
++}
++#endif
++
+ /*
+ * This routine handles present pages, when users try to write
+ * to a shared page. It is done by copying the page to a new address
+@@ -2703,6 +2899,12 @@ gotten:
+ */
+ page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
+ if (likely(pte_same(*page_table, orig_pte))) {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (pax_find_mirror_vma(vma))
++ BUG_ON(!trylock_page(new_page));
++#endif
++
+ if (old_page) {
+ if (!PageAnon(old_page)) {
+ dec_mm_counter_fast(mm, MM_FILEPAGES);
+@@ -2754,6 +2956,10 @@ gotten:
+ page_remove_rmap(old_page);
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_anon_pte(vma, address, new_page, ptl);
++#endif
++
+ /* Free the old page.. */
+ new_page = old_page;
+ ret |= VM_FAULT_WRITE;
+@@ -3033,6 +3239,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
+ swap_free(entry);
+ if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
+ try_to_free_swap(page);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma))
++#endif
++
+ unlock_page(page);
+ if (swapcache) {
+ /*
+@@ -3056,6 +3267,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
+
+ /* No need to invalidate - it was non-present before */
+ update_mmu_cache(vma, address, page_table);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_anon_pte(vma, address, page, ptl);
++#endif
++
+ unlock:
+ pte_unmap_unlock(page_table, ptl);
+ out:
+@@ -3075,40 +3291,6 @@ out_release:
+ }
+
+ /*
+- * This is like a special single-page "expand_{down|up}wards()",
+- * except we must first make sure that 'address{-|+}PAGE_SIZE'
+- * doesn't hit another vma.
+- */
+-static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)
+-{
+- address &= PAGE_MASK;
+- if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {
+- struct vm_area_struct *prev = vma->vm_prev;
+-
+- /*
+- * Is there a mapping abutting this one below?
+- *
+- * That's only ok if it's the same stack mapping
+- * that has gotten split..
+- */
+- if (prev && prev->vm_end == address)
+- return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;
+-
+- expand_downwards(vma, address - PAGE_SIZE);
+- }
+- if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {
+- struct vm_area_struct *next = vma->vm_next;
+-
+- /* As VM_GROWSDOWN but s/below/above/ */
+- if (next && next->vm_start == address + PAGE_SIZE)
+- return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;
+-
+- expand_upwards(vma, address + PAGE_SIZE);
+- }
+- return 0;
+-}
+-
+-/*
+ * We enter with non-exclusive mmap_sem (to exclude vma changes,
+ * but allow concurrent faults), and pte mapped but not yet locked.
+ * We return with mmap_sem still held, but pte unmapped and unlocked.
+@@ -3117,27 +3299,23 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long address, pte_t *page_table, pmd_t *pmd,
+ unsigned int flags)
+ {
+- struct page *page;
++ struct page *page = NULL;
+ spinlock_t *ptl;
+ pte_t entry;
+
+- pte_unmap(page_table);
+-
+- /* Check if we need to add a guard page to the stack */
+- if (check_stack_guard_page(vma, address) < 0)
+- return VM_FAULT_SIGBUS;
+-
+- /* Use the zero-page for reads */
+ if (!(flags & FAULT_FLAG_WRITE)) {
+ entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
+ vma->vm_page_prot));
+- page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
++ ptl = pte_lockptr(mm, pmd);
++ spin_lock(ptl);
+ if (!pte_none(*page_table))
+ goto unlock;
+ goto setpte;
+ }
+
+ /* Allocate our own private page. */
++ pte_unmap(page_table);
++
+ if (unlikely(anon_vma_prepare(vma)))
+ goto oom;
+ page = alloc_zeroed_user_highpage_movable(vma, address);
+@@ -3156,6 +3334,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
+ if (!pte_none(*page_table))
+ goto release;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (pax_find_mirror_vma(vma))
++ BUG_ON(!trylock_page(page));
++#endif
++
+ inc_mm_counter_fast(mm, MM_ANONPAGES);
+ page_add_new_anon_rmap(page, vma, address);
+ setpte:
+@@ -3163,6 +3346,12 @@ setpte:
+
+ /* No need to invalidate - it was non-present before */
+ update_mmu_cache(vma, address, page_table);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (page)
++ pax_mirror_anon_pte(vma, address, page, ptl);
++#endif
++
+ unlock:
+ pte_unmap_unlock(page_table, ptl);
+ return 0;
+@@ -3306,6 +3495,12 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ */
+ /* Only go through if we didn't race with anybody else... */
+ if (likely(pte_same(*page_table, orig_pte))) {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (anon && pax_find_mirror_vma(vma))
++ BUG_ON(!trylock_page(page));
++#endif
++
+ flush_icache_page(vma, page);
+ entry = mk_pte(page, vma->vm_page_prot);
+ if (flags & FAULT_FLAG_WRITE)
+@@ -3325,6 +3520,14 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+
+ /* no need to invalidate: a not-present page won't be cached */
+ update_mmu_cache(vma, address, page_table);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (anon)
++ pax_mirror_anon_pte(vma, address, page, ptl);
++ else
++ pax_mirror_file_pte(vma, address, page, ptl);
++#endif
++
+ } else {
+ if (cow_page)
+ mem_cgroup_uncharge_page(cow_page);
+@@ -3479,6 +3682,12 @@ int handle_pte_fault(struct mm_struct *mm,
+ if (flags & FAULT_FLAG_WRITE)
+ flush_tlb_fix_spurious_fault(vma, address);
+ }
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ pax_mirror_pte(vma, address, pte, pmd, ptl);
++ return 0;
++#endif
++
+ unlock:
+ pte_unmap_unlock(pte, ptl);
+ return 0;
+@@ -3495,6 +3704,10 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ pmd_t *pmd;
+ pte_t *pte;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ __set_current_state(TASK_RUNNING);
+
+ count_vm_event(PGFAULT);
+@@ -3506,6 +3719,34 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ if (unlikely(is_vm_hugetlb_page(vma)))
+ return hugetlb_fault(mm, vma, address, flags);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m) {
++ unsigned long address_m;
++ pgd_t *pgd_m;
++ pud_t *pud_m;
++ pmd_t *pmd_m;
++
++ if (vma->vm_start > vma_m->vm_start) {
++ address_m = address;
++ address -= SEGMEXEC_TASK_SIZE;
++ vma = vma_m;
++ } else
++ address_m = address + SEGMEXEC_TASK_SIZE;
++
++ pgd_m = pgd_offset(mm, address_m);
++ pud_m = pud_alloc(mm, pgd_m, address_m);
++ if (!pud_m)
++ return VM_FAULT_OOM;
++ pmd_m = pmd_alloc(mm, pud_m, address_m);
++ if (!pmd_m)
++ return VM_FAULT_OOM;
++ if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m))
++ return VM_FAULT_OOM;
++ pax_unmap_mirror_pte(vma_m, address_m, pmd_m);
++ }
++#endif
++
+ retry:
+ pgd = pgd_offset(mm, address);
+ pud = pud_alloc(mm, pgd, address);
+@@ -3547,7 +3788,7 @@ retry:
+ * run pte_offset_map on the pmd, if an huge pmd could
+ * materialize from under us from a different thread.
+ */
+- if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address))
++ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address)))
+ return VM_FAULT_OOM;
+ /* if an huge pmd materialized from under us just retry later */
+ if (unlikely(pmd_trans_huge(*pmd)))
+@@ -3584,6 +3825,23 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
+ spin_unlock(&mm->page_table_lock);
+ return 0;
+ }
++
++int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
++{
++ pud_t *new = pud_alloc_one(mm, address);
++ if (!new)
++ return -ENOMEM;
++
++ smp_wmb(); /* See comment in __pte_alloc */
++
++ spin_lock(&mm->page_table_lock);
++ if (pgd_present(*pgd)) /* Another has populated it */
++ pud_free(mm, new);
++ else
++ pgd_populate_kernel(mm, pgd, new);
++ spin_unlock(&mm->page_table_lock);
++ return 0;
++}
+ #endif /* __PAGETABLE_PUD_FOLDED */
+
+ #ifndef __PAGETABLE_PMD_FOLDED
+@@ -3614,6 +3872,30 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
+ spin_unlock(&mm->page_table_lock);
+ return 0;
+ }
++
++int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
++{
++ pmd_t *new = pmd_alloc_one(mm, address);
++ if (!new)
++ return -ENOMEM;
++
++ smp_wmb(); /* See comment in __pte_alloc */
++
++ spin_lock(&mm->page_table_lock);
++#ifndef __ARCH_HAS_4LEVEL_HACK
++ if (pud_present(*pud)) /* Another has populated it */
++ pmd_free(mm, new);
++ else
++ pud_populate_kernel(mm, pud, new);
++#else
++ if (pgd_present(*pud)) /* Another has populated it */
++ pmd_free(mm, new);
++ else
++ pgd_populate_kernel(mm, pud, new);
++#endif /* __ARCH_HAS_4LEVEL_HACK */
++ spin_unlock(&mm->page_table_lock);
++ return 0;
++}
+ #endif /* __PAGETABLE_PMD_FOLDED */
+
+ int make_pages_present(unsigned long addr, unsigned long end)
+@@ -3651,7 +3933,7 @@ static int __init gate_vma_init(void)
+ gate_vma.vm_start = FIXADDR_USER_START;
+ gate_vma.vm_end = FIXADDR_USER_END;
+ gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
+- gate_vma.vm_page_prot = __P101;
++ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
+
+ return 0;
+ }
+diff --git a/mm/mempolicy.c b/mm/mempolicy.c
+index 3d64b36..c6ab69c 100644
+--- a/mm/mempolicy.c
++++ b/mm/mempolicy.c
+@@ -655,6 +655,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
+ unsigned long vmstart;
+ unsigned long vmend;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++#endif
++
+ vma = find_vma(mm, start);
+ if (!vma || vma->vm_start > start)
+ return -EFAULT;
+@@ -691,9 +695,20 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
+ if (err)
+ goto out;
+ }
++
+ err = vma_replace_policy(vma, new_pol);
+ if (err)
+ goto out;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++ if (vma_m) {
++ err = vma_replace_policy(vma_m, new_pol);
++ if (err)
++ goto out;
++ }
++#endif
++
+ }
+
+ out:
+@@ -1147,6 +1162,17 @@ static long do_mbind(unsigned long start, unsigned long len,
+
+ if (end < start)
+ return -EINVAL;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
++ if (end > SEGMEXEC_TASK_SIZE)
++ return -EINVAL;
++ } else
++#endif
++
++ if (end > TASK_SIZE)
++ return -EINVAL;
++
+ if (end == start)
+ return 0;
+
+@@ -1370,8 +1396,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
+ */
+ tcred = __task_cred(task);
+ if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
+- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
+- !capable(CAP_SYS_NICE)) {
++ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) {
+ rcu_read_unlock();
+ err = -EPERM;
+ goto out_put;
+@@ -1402,6 +1427,15 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
+ goto out;
+ }
+
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++ if (mm != current->mm &&
++ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) {
++ mmput(mm);
++ err = -EPERM;
++ goto out;
++ }
++#endif
++
+ err = do_migrate_pages(mm, old, new,
+ capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
+
+diff --git a/mm/migrate.c b/mm/migrate.c
+index 77ed2d7..317d528 100644
+--- a/mm/migrate.c
++++ b/mm/migrate.c
+@@ -1350,8 +1350,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
+ */
+ tcred = __task_cred(task);
+ if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
+- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
+- !capable(CAP_SYS_NICE)) {
++ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) {
+ rcu_read_unlock();
+ err = -EPERM;
+ goto out;
+diff --git a/mm/mlock.c b/mm/mlock.c
+index ef726e8..cd7f1ec 100644
+--- a/mm/mlock.c
++++ b/mm/mlock.c
+@@ -13,6 +13,7 @@
+ #include <linux/pagemap.h>
+ #include <linux/mempolicy.h>
+ #include <linux/syscalls.h>
++#include <linux/security.h>
+ #include <linux/sched.h>
+ #include <linux/export.h>
+ #include <linux/rmap.h>
+@@ -376,7 +377,7 @@ static int do_mlock(unsigned long start, size_t len, int on)
+ {
+ unsigned long nstart, end, tmp;
+ struct vm_area_struct * vma, * prev;
+- int error;
++ int error = 0;
+
+ VM_BUG_ON(start & ~PAGE_MASK);
+ VM_BUG_ON(len != PAGE_ALIGN(len));
+@@ -385,6 +386,9 @@ static int do_mlock(unsigned long start, size_t len, int on)
+ return -EINVAL;
+ if (end == start)
+ return 0;
++ if (end > TASK_SIZE)
++ return -EINVAL;
++
+ vma = find_vma(current->mm, start);
+ if (!vma || vma->vm_start > start)
+ return -ENOMEM;
+@@ -396,6 +400,11 @@ static int do_mlock(unsigned long start, size_t len, int on)
+ for (nstart = start ; ; ) {
+ vm_flags_t newflags;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
++ break;
++#endif
++
+ /* Here we know that vma->vm_start <= nstart < vma->vm_end. */
+
+ newflags = vma->vm_flags | VM_LOCKED;
+@@ -501,6 +510,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
+ lock_limit >>= PAGE_SHIFT;
+
+ /* check against resource limits */
++ gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1);
+ if ((locked <= lock_limit) || capable(CAP_IPC_LOCK))
+ error = do_mlock(start, len, 1);
+ up_write(¤t->mm->mmap_sem);
+@@ -524,17 +534,23 @@ SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)
+ static int do_mlockall(int flags)
+ {
+ struct vm_area_struct * vma, * prev = NULL;
+- unsigned int def_flags = 0;
+
+ if (flags & MCL_FUTURE)
+- def_flags = VM_LOCKED;
+- current->mm->def_flags = def_flags;
++ current->mm->def_flags |= VM_LOCKED;
++ else
++ current->mm->def_flags &= ~VM_LOCKED;
+ if (flags == MCL_FUTURE)
+ goto out;
+
+ for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {
+ vm_flags_t newflags;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
++ break;
++#endif
++
++ BUG_ON(vma->vm_end > TASK_SIZE);
+ newflags = vma->vm_flags | VM_LOCKED;
+ if (!(flags & MCL_CURRENT))
+ newflags &= ~VM_LOCKED;
+@@ -567,6 +583,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
+ lock_limit >>= PAGE_SHIFT;
+
+ ret = -ENOMEM;
++ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1);
+ if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) ||
+ capable(CAP_IPC_LOCK))
+ ret = do_mlockall(flags);
+diff --git a/mm/mmap.c b/mm/mmap.c
+index ae18a48..86cf99e 100644
+--- a/mm/mmap.c
++++ b/mm/mmap.c
+@@ -47,6 +47,16 @@
+ #define arch_rebalance_pgtables(addr, len) (addr)
+ #endif
+
++static inline void verify_mm_writelocked(struct mm_struct *mm)
++{
++#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX)
++ if (unlikely(down_read_trylock(&mm->mmap_sem))) {
++ up_read(&mm->mmap_sem);
++ BUG();
++ }
++#endif
++}
++
+ static void unmap_region(struct mm_struct *mm,
+ struct vm_area_struct *vma, struct vm_area_struct *prev,
+ unsigned long start, unsigned long end);
+@@ -72,22 +82,32 @@ static void unmap_region(struct mm_struct *mm,
+ * x: (no) no x: (no) yes x: (no) yes x: (yes) yes
+ *
+ */
+-pgprot_t protection_map[16] = {
++pgprot_t protection_map[16] __read_only = {
+ __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
+ __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
+ };
+
+-pgprot_t vm_get_page_prot(unsigned long vm_flags)
++pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
+ {
+- return __pgprot(pgprot_val(protection_map[vm_flags &
++ pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags &
+ (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
+ pgprot_val(arch_vm_get_page_prot(vm_flags)));
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
++ if (!(__supported_pte_mask & _PAGE_NX) &&
++ (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC &&
++ (vm_flags & (VM_READ | VM_WRITE)))
++ prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot)))));
++#endif
++
++ return prot;
+ }
+ EXPORT_SYMBOL(vm_get_page_prot);
+
+ int sysctl_overcommit_memory __read_mostly = OVERCOMMIT_GUESS; /* heuristic overcommit */
+ int sysctl_overcommit_ratio __read_mostly = 50; /* default is 50% */
+ int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
++unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024;
+ /*
+ * Make sure vm_committed_as in one cacheline and not cacheline shared with
+ * other variables. It can be updated by several CPUs frequently.
+@@ -229,6 +249,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
+ struct vm_area_struct *next = vma->vm_next;
+
+ might_sleep();
++ BUG_ON(vma->vm_mirror);
+ if (vma->vm_ops && vma->vm_ops->close)
+ vma->vm_ops->close(vma);
+ if (vma->vm_file) {
+@@ -275,6 +296,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
+ * not page aligned -Ram Gupta
+ */
+ rlim = rlimit(RLIMIT_DATA);
++ gr_learn_resource(current, RLIMIT_DATA, (brk - mm->start_brk) + (mm->end_data - mm->start_data), 1);
+ if (rlim < RLIM_INFINITY && (brk - mm->start_brk) +
+ (mm->end_data - mm->start_data) > rlim)
+ goto out;
+@@ -708,6 +730,12 @@ static int
+ can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags,
+ struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE)
++ return 0;
++#endif
++
+ if (is_mergeable_vma(vma, file, vm_flags) &&
+ is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
+ if (vma->vm_pgoff == vm_pgoff)
+@@ -727,6 +755,12 @@ static int
+ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
+ struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE)
++ return 0;
++#endif
++
+ if (is_mergeable_vma(vma, file, vm_flags) &&
+ is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
+ pgoff_t vm_pglen;
+@@ -769,13 +803,20 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
+ struct vm_area_struct *vma_merge(struct mm_struct *mm,
+ struct vm_area_struct *prev, unsigned long addr,
+ unsigned long end, unsigned long vm_flags,
+- struct anon_vma *anon_vma, struct file *file,
++ struct anon_vma *anon_vma, struct file *file,
+ pgoff_t pgoff, struct mempolicy *policy)
+ {
+ pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
+ struct vm_area_struct *area, *next;
+ int err;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE;
++ struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL;
++
++ BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end);
++#endif
++
+ /*
+ * We later require that vma->vm_flags == vm_flags,
+ * so this tests vma->vm_flags & VM_SPECIAL, too.
+@@ -791,6 +832,15 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
+ if (next && next->vm_end == end) /* cases 6, 7, 8 */
+ next = next->vm_next;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (prev)
++ prev_m = pax_find_mirror_vma(prev);
++ if (area)
++ area_m = pax_find_mirror_vma(area);
++ if (next)
++ next_m = pax_find_mirror_vma(next);
++#endif
++
+ /*
+ * Can it merge with the predecessor?
+ */
+@@ -810,9 +860,24 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
+ /* cases 1, 6 */
+ err = vma_adjust(prev, prev->vm_start,
+ next->vm_end, prev->vm_pgoff, NULL);
+- } else /* cases 2, 5, 7 */
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!err && prev_m)
++ err = vma_adjust(prev_m, prev_m->vm_start,
++ next_m->vm_end, prev_m->vm_pgoff, NULL);
++#endif
++
++ } else { /* cases 2, 5, 7 */
+ err = vma_adjust(prev, prev->vm_start,
+ end, prev->vm_pgoff, NULL);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!err && prev_m)
++ err = vma_adjust(prev_m, prev_m->vm_start,
++ end_m, prev_m->vm_pgoff, NULL);
++#endif
++
++ }
+ if (err)
+ return NULL;
+ khugepaged_enter_vma_merge(prev);
+@@ -826,12 +891,27 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
+ mpol_equal(policy, vma_policy(next)) &&
+ can_vma_merge_before(next, vm_flags,
+ anon_vma, file, pgoff+pglen)) {
+- if (prev && addr < prev->vm_end) /* case 4 */
++ if (prev && addr < prev->vm_end) { /* case 4 */
+ err = vma_adjust(prev, prev->vm_start,
+ addr, prev->vm_pgoff, NULL);
+- else /* cases 3, 8 */
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!err && prev_m)
++ err = vma_adjust(prev_m, prev_m->vm_start,
++ addr_m, prev_m->vm_pgoff, NULL);
++#endif
++
++ } else { /* cases 3, 8 */
+ err = vma_adjust(area, addr, next->vm_end,
+ next->vm_pgoff - pglen, NULL);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!err && area_m)
++ err = vma_adjust(area_m, addr_m, next_m->vm_end,
++ next_m->vm_pgoff - pglen, NULL);
++#endif
++
++ }
+ if (err)
+ return NULL;
+ khugepaged_enter_vma_merge(area);
+@@ -940,16 +1020,13 @@ none:
+ void vm_stat_account(struct mm_struct *mm, unsigned long flags,
+ struct file *file, long pages)
+ {
+- const unsigned long stack_flags
+- = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN);
+-
+ mm->total_vm += pages;
+
+ if (file) {
+ mm->shared_vm += pages;
+ if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC)
+ mm->exec_vm += pages;
+- } else if (flags & stack_flags)
++ } else if (flags & (VM_GROWSUP|VM_GROWSDOWN))
+ mm->stack_vm += pages;
+ if (flags & (VM_RESERVED|VM_IO))
+ mm->reserved_vm += pages;
+@@ -987,7 +1064,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
+ * (the exception is when the underlying filesystem is noexec
+ * mounted, in which case we dont add PROT_EXEC.)
+ */
+- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
++ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
+ if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC)))
+ prot |= PROT_EXEC;
+
+@@ -1013,7 +1090,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
+ /* Obtain the address to map to. we verify (or select) it and ensure
+ * that it represents a valid section of the address space.
+ */
+- addr = get_unmapped_area(file, addr, len, pgoff, flags);
++ addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0));
+ if (addr & ~PAGE_MASK)
+ return addr;
+
+@@ -1024,6 +1101,36 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
+ vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) |
+ mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
+
++#ifdef CONFIG_PAX_MPROTECT
++ if (mm->pax_flags & MF_PAX_MPROTECT) {
++#ifndef CONFIG_PAX_MPROTECT_COMPAT
++ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) {
++ gr_log_rwxmmap(file);
++
++#ifdef CONFIG_PAX_EMUPLT
++ vm_flags &= ~VM_EXEC;
++#else
++ return -EPERM;
++#endif
++
++ }
++
++ if (!(vm_flags & VM_EXEC))
++ vm_flags &= ~VM_MAYEXEC;
++#else
++ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
++ vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
++#endif
++ else
++ vm_flags &= ~VM_MAYWRITE;
++ }
++#endif
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
++ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file)
++ vm_flags &= ~VM_PAGEEXEC;
++#endif
++
+ if (flags & MAP_LOCKED)
+ if (!can_do_mlock())
+ return -EPERM;
+@@ -1035,6 +1142,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
+ locked += mm->locked_vm;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
+ lock_limit >>= PAGE_SHIFT;
++ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
+ if (locked > lock_limit && !capable(CAP_IPC_LOCK))
+ return -EAGAIN;
+ }
+@@ -1101,6 +1209,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
+ }
+ }
+
++ if (!gr_acl_handle_mmap(file, prot))
++ return -EACCES;
++
+ return mmap_region(file, addr, len, flags, vm_flags, pgoff);
+ }
+
+@@ -1177,7 +1288,7 @@ int vma_wants_writenotify(struct vm_area_struct *vma)
+ vm_flags_t vm_flags = vma->vm_flags;
+
+ /* If it was private or non-writable, the write bit is already clear */
+- if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED)))
++ if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED))
+ return 0;
+
+ /* The backer wishes to know when pages are first written to? */
+@@ -1226,14 +1337,24 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
+ unsigned long charged = 0;
+ struct inode *inode = file ? file->f_path.dentry->d_inode : NULL;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m = NULL;
++#endif
++
++ /*
++ * mm->mmap_sem is required to protect against another thread
++ * changing the mappings in case we sleep.
++ */
++ verify_mm_writelocked(mm);
++
+ /* Clear old maps */
+ error = -ENOMEM;
+-munmap_back:
+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
+ if (vma && vma->vm_start < addr + len) {
+ if (do_munmap(mm, addr, len))
+ return -ENOMEM;
+- goto munmap_back;
++ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
++ BUG_ON(vma && vma->vm_start < addr + len);
+ }
+
+ /* Check against address space limit. */
+@@ -1282,6 +1403,16 @@ munmap_back:
+ goto unacct_error;
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) {
++ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
++ if (!vma_m) {
++ error = -ENOMEM;
++ goto free_vma;
++ }
++ }
++#endif
++
+ vma->vm_mm = mm;
+ vma->vm_start = addr;
+ vma->vm_end = addr + len;
+@@ -1306,6 +1437,19 @@ munmap_back:
+ error = file->f_op->mmap(file, vma);
+ if (error)
+ goto unmap_and_free_vma;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m && (vm_flags & VM_EXECUTABLE))
++ added_exe_file_vma(mm);
++#endif
++
++#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
++ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) {
++ vma->vm_flags |= VM_PAGEEXEC;
++ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
++ }
++#endif
++
+ if (vm_flags & VM_EXECUTABLE)
+ added_exe_file_vma(mm);
+
+@@ -1343,6 +1487,11 @@ munmap_back:
+ vma_link(mm, vma, prev, rb_link, rb_parent);
+ file = vma->vm_file;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m)
++ BUG_ON(pax_mirror_vma(vma_m, vma));
++#endif
++
+ /* Once vma denies write, undo our temporary denial count */
+ if (correct_wcount)
+ atomic_inc(&inode->i_writecount);
+@@ -1350,6 +1499,7 @@ out:
+ perf_event_mmap(vma);
+
+ vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
++ track_exec_limit(mm, addr, addr + len, vm_flags);
+ if (vm_flags & VM_LOCKED) {
+ if (!mlock_vma_pages_range(vma, addr, addr + len))
+ mm->locked_vm += (len >> PAGE_SHIFT);
+@@ -1371,6 +1521,12 @@ unmap_and_free_vma:
+ unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end);
+ charged = 0;
+ free_vma:
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m)
++ kmem_cache_free(vm_area_cachep, vma_m);
++#endif
++
+ kmem_cache_free(vm_area_cachep, vma);
+ unacct_error:
+ if (charged)
+@@ -1378,6 +1534,44 @@ unacct_error:
+ return error;
+ }
+
++bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len)
++{
++ if (!vma) {
++#ifdef CONFIG_STACK_GROWSUP
++ if (addr > sysctl_heap_stack_gap)
++ vma = find_vma(current->mm, addr - sysctl_heap_stack_gap);
++ else
++ vma = find_vma(current->mm, 0);
++ if (vma && (vma->vm_flags & VM_GROWSUP))
++ return false;
++#endif
++ return true;
++ }
++
++ if (addr + len > vma->vm_start)
++ return false;
++
++ if (vma->vm_flags & VM_GROWSDOWN)
++ return sysctl_heap_stack_gap <= vma->vm_start - addr - len;
++#ifdef CONFIG_STACK_GROWSUP
++ else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP))
++ return addr - vma->vm_prev->vm_end <= sysctl_heap_stack_gap;
++#endif
++
++ return true;
++}
++
++unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len)
++{
++ if (vma->vm_start < len)
++ return -ENOMEM;
++ if (!(vma->vm_flags & VM_GROWSDOWN))
++ return vma->vm_start - len;
++ if (sysctl_heap_stack_gap <= vma->vm_start - len)
++ return vma->vm_start - len - sysctl_heap_stack_gap;
++ return -ENOMEM;
++}
++
+ /* Get an address range which is currently unmapped.
+ * For shmat() with addr=0.
+ *
+@@ -1404,18 +1598,23 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
+ if (flags & MAP_FIXED)
+ return addr;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ if (addr) {
+ addr = PAGE_ALIGN(addr);
+- vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
+- return addr;
++ if (TASK_SIZE - len >= addr) {
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ return addr;
++ }
+ }
+ if (len > mm->cached_hole_size) {
+- start_addr = addr = mm->free_area_cache;
++ start_addr = addr = mm->free_area_cache;
+ } else {
+- start_addr = addr = TASK_UNMAPPED_BASE;
+- mm->cached_hole_size = 0;
++ start_addr = addr = mm->mmap_base;
++ mm->cached_hole_size = 0;
+ }
+
+ full_search:
+@@ -1426,34 +1625,40 @@ full_search:
+ * Start a new search - just in case we missed
+ * some holes.
+ */
+- if (start_addr != TASK_UNMAPPED_BASE) {
+- addr = TASK_UNMAPPED_BASE;
+- start_addr = addr;
++ if (start_addr != mm->mmap_base) {
++ start_addr = addr = mm->mmap_base;
+ mm->cached_hole_size = 0;
+ goto full_search;
+ }
+ return -ENOMEM;
+ }
+- if (!vma || addr + len <= vma->vm_start) {
+- /*
+- * Remember the place where we stopped the search:
+- */
+- mm->free_area_cache = addr + len;
+- return addr;
+- }
++ if (check_heap_stack_gap(vma, addr, len))
++ break;
+ if (addr + mm->cached_hole_size < vma->vm_start)
+ mm->cached_hole_size = vma->vm_start - addr;
+ addr = vma->vm_end;
+ }
++
++ /*
++ * Remember the place where we stopped the search:
++ */
++ mm->free_area_cache = addr + len;
++ return addr;
+ }
+ #endif
+
+ void arch_unmap_area(struct mm_struct *mm, unsigned long addr)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr)
++ return;
++#endif
++
+ /*
+ * Is this a new hole at the lowest possible address?
+ */
+- if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache)
++ if (addr >= mm->mmap_base && addr < mm->free_area_cache)
+ mm->free_area_cache = addr;
+ }
+
+@@ -1469,7 +1674,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ {
+ struct vm_area_struct *vma;
+ struct mm_struct *mm = current->mm;
+- unsigned long addr = addr0, start_addr;
++ unsigned long base = mm->mmap_base, addr = addr0, start_addr;
+
+ /* requested length too big for entire address space */
+ if (len > TASK_SIZE)
+@@ -1478,13 +1683,18 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+ if (flags & MAP_FIXED)
+ return addr;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (!(mm->pax_flags & MF_PAX_RANDMMAP))
++#endif
++
+ /* requesting a specific address */
+ if (addr) {
+ addr = PAGE_ALIGN(addr);
+- vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
+- (!vma || addr + len <= vma->vm_start))
+- return addr;
++ if (TASK_SIZE - len >= addr) {
++ vma = find_vma(mm, addr);
++ if (check_heap_stack_gap(vma, addr, len))
++ return addr;
++ }
+ }
+
+ /* check if free_area_cache is useful for us */
+@@ -1508,7 +1718,7 @@ try_again:
+ * return with success:
+ */
+ vma = find_vma(mm, addr);
+- if (!vma || addr+len <= vma->vm_start)
++ if (check_heap_stack_gap(vma, addr, len))
+ /* remember the address as a hint for next time */
+ return (mm->free_area_cache = addr);
+
+@@ -1517,8 +1727,8 @@ try_again:
+ mm->cached_hole_size = vma->vm_start - addr;
+
+ /* try just below the current vma->vm_start */
+- addr = vma->vm_start-len;
+- } while (len < vma->vm_start);
++ addr = skip_heap_stack_gap(vma, len);
++ } while (!IS_ERR_VALUE(addr));
+
+ fail:
+ /*
+@@ -1541,13 +1751,21 @@ fail:
+ * can happen with large stack limits and large mmap()
+ * allocations.
+ */
++ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
++ mm->free_area_cache = mm->mmap_base;
+ mm->cached_hole_size = ~0UL;
+- mm->free_area_cache = TASK_UNMAPPED_BASE;
+ addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
+ /*
+ * Restore the topdown base:
+ */
+- mm->free_area_cache = mm->mmap_base;
++ mm->mmap_base = base;
++ mm->free_area_cache = base;
+ mm->cached_hole_size = ~0UL;
+
+ return addr;
+@@ -1556,6 +1774,12 @@ fail:
+
+ void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr)
++ return;
++#endif
++
+ /*
+ * Is this a new hole at the highest possible address?
+ */
+@@ -1563,8 +1787,10 @@ void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
+ mm->free_area_cache = addr;
+
+ /* dont allow allocations above current base */
+- if (mm->free_area_cache > mm->mmap_base)
++ if (mm->free_area_cache > mm->mmap_base) {
+ mm->free_area_cache = mm->mmap_base;
++ mm->cached_hole_size = ~0UL;
++ }
+ }
+
+ unsigned long
+@@ -1663,6 +1889,28 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr,
+ return vma;
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma)
++{
++ struct vm_area_struct *vma_m;
++
++ BUG_ON(!vma || vma->vm_start >= vma->vm_end);
++ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) {
++ BUG_ON(vma->vm_mirror);
++ return NULL;
++ }
++ BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end);
++ vma_m = vma->vm_mirror;
++ BUG_ON(!vma_m || vma_m->vm_mirror != vma);
++ BUG_ON(vma->vm_file != vma_m->vm_file);
++ BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start);
++ BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff);
++ BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root);
++ BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED | VM_RESERVED));
++ return vma_m;
++}
++#endif
++
+ /*
+ * Verify that the stack growth is acceptable and
+ * update accounting. This is shared with both the
+@@ -1679,6 +1927,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+ return -ENOMEM;
+
+ /* Stack limit test */
++ gr_learn_resource(current, RLIMIT_STACK, size, 1);
+ if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
+ return -ENOMEM;
+
+@@ -1689,6 +1938,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+ locked = mm->locked_vm + grow;
+ limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
+ limit >>= PAGE_SHIFT;
++ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
+ if (locked > limit && !capable(CAP_IPC_LOCK))
+ return -ENOMEM;
+ }
+@@ -1718,37 +1968,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+ * PA-RISC uses this for its stack; IA64 for its Register Backing Store.
+ * vma is the last one with address > vma->vm_end. Have to extend vma.
+ */
++#ifndef CONFIG_IA64
++static
++#endif
+ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
+ {
+ int error;
++ bool locknext;
+
+ if (!(vma->vm_flags & VM_GROWSUP))
+ return -EFAULT;
+
++ /* Also guard against wrapping around to address 0. */
++ if (address < PAGE_ALIGN(address+1))
++ address = PAGE_ALIGN(address+1);
++ else
++ return -ENOMEM;
++
+ /*
+ * We must make sure the anon_vma is allocated
+ * so that the anon_vma locking is not a noop.
+ */
+ if (unlikely(anon_vma_prepare(vma)))
+ return -ENOMEM;
++ locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN);
++ if (locknext && anon_vma_prepare(vma->vm_next))
++ return -ENOMEM;
+ vma_lock_anon_vma(vma);
++ if (locknext)
++ vma_lock_anon_vma(vma->vm_next);
+
+ /*
+ * vma->vm_start/vm_end cannot change under us because the caller
+ * is required to hold the mmap_sem in read mode. We need the
+- * anon_vma lock to serialize against concurrent expand_stacks.
+- * Also guard against wrapping around to address 0.
++ * anon_vma locks to serialize against concurrent expand_stacks
++ * and expand_upwards.
+ */
+- if (address < PAGE_ALIGN(address+4))
+- address = PAGE_ALIGN(address+4);
+- else {
+- vma_unlock_anon_vma(vma);
+- return -ENOMEM;
+- }
+ error = 0;
+
+ /* Somebody else might have raced and expanded it already */
+- if (address > vma->vm_end) {
++ if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap)
++ error = -ENOMEM;
++ else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) {
+ unsigned long size, grow;
+
+ size = address - vma->vm_start;
+@@ -1763,6 +2024,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
+ }
+ }
+ }
++ if (locknext)
++ vma_unlock_anon_vma(vma->vm_next);
+ vma_unlock_anon_vma(vma);
+ khugepaged_enter_vma_merge(vma);
+ return error;
+@@ -1776,6 +2039,8 @@ int expand_downwards(struct vm_area_struct *vma,
+ unsigned long address)
+ {
+ int error;
++ bool lockprev = false;
++ struct vm_area_struct *prev;
+
+ /*
+ * We must make sure the anon_vma is allocated
+@@ -1789,6 +2054,15 @@ int expand_downwards(struct vm_area_struct *vma,
+ if (error)
+ return error;
+
++ prev = vma->vm_prev;
++#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64)
++ lockprev = prev && (prev->vm_flags & VM_GROWSUP);
++#endif
++ if (lockprev && anon_vma_prepare(prev))
++ return -ENOMEM;
++ if (lockprev)
++ vma_lock_anon_vma(prev);
++
+ vma_lock_anon_vma(vma);
+
+ /*
+@@ -1798,9 +2072,17 @@ int expand_downwards(struct vm_area_struct *vma,
+ */
+
+ /* Somebody else might have raced and expanded it already */
+- if (address < vma->vm_start) {
++ if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap)
++ error = -ENOMEM;
++ else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) {
+ unsigned long size, grow;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m;
++
++ vma_m = pax_find_mirror_vma(vma);
++#endif
++
+ size = vma->vm_end - address;
+ grow = (vma->vm_start - address) >> PAGE_SHIFT;
+
+@@ -1810,11 +2092,22 @@ int expand_downwards(struct vm_area_struct *vma,
+ if (!error) {
+ vma->vm_start = address;
+ vma->vm_pgoff -= grow;
++ track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m) {
++ vma_m->vm_start -= grow << PAGE_SHIFT;
++ vma_m->vm_pgoff -= grow;
++ }
++#endif
++
+ perf_event_mmap(vma);
+ }
+ }
+ }
+ vma_unlock_anon_vma(vma);
++ if (lockprev)
++ vma_unlock_anon_vma(prev);
+ khugepaged_enter_vma_merge(vma);
+ return error;
+ }
+@@ -1886,6 +2179,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
+ do {
+ long nrpages = vma_pages(vma);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) {
++ vma = remove_vma(vma);
++ continue;
++ }
++#endif
++
+ if (vma->vm_flags & VM_ACCOUNT)
+ nr_accounted += nrpages;
+ vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
+@@ -1931,6 +2231,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
+ insertion_point = (prev ? &prev->vm_next : &mm->mmap);
+ vma->vm_prev = NULL;
+ do {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma->vm_mirror) {
++ BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma);
++ vma->vm_mirror->vm_mirror = NULL;
++ vma->vm_mirror->vm_flags &= ~VM_EXEC;
++ vma->vm_mirror = NULL;
++ }
++#endif
++
+ rb_erase(&vma->vm_rb, &mm->mm_rb);
+ mm->map_count--;
+ tail_vma = vma;
+@@ -1959,14 +2269,33 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+ struct vm_area_struct *new;
+ int err = -ENOMEM;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m, *new_m = NULL;
++ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE;
++#endif
++
+ if (is_vm_hugetlb_page(vma) && (addr &
+ ~(huge_page_mask(hstate_vma(vma)))))
+ return -EINVAL;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ vma_m = pax_find_mirror_vma(vma);
++#endif
++
+ new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ if (!new)
+ goto out_err;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m) {
++ new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
++ if (!new_m) {
++ kmem_cache_free(vm_area_cachep, new);
++ goto out_err;
++ }
++ }
++#endif
++
+ /* most fields are the same, copy all, and then fixup */
+ *new = *vma;
+
+@@ -1979,6 +2308,22 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+ new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT);
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m) {
++ *new_m = *vma_m;
++ INIT_LIST_HEAD(&new_m->anon_vma_chain);
++ new_m->vm_mirror = new;
++ new->vm_mirror = new_m;
++
++ if (new_below)
++ new_m->vm_end = addr_m;
++ else {
++ new_m->vm_start = addr_m;
++ new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT);
++ }
++ }
++#endif
++
+ pol = mpol_dup(vma_policy(vma));
+ if (IS_ERR(pol)) {
+ err = PTR_ERR(pol);
+@@ -2004,6 +2349,42 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+ else
+ err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (!err && vma_m) {
++ if (anon_vma_clone(new_m, vma_m))
++ goto out_free_mpol;
++
++ mpol_get(pol);
++ vma_set_policy(new_m, pol);
++
++ if (new_m->vm_file) {
++ get_file(new_m->vm_file);
++ if (vma_m->vm_flags & VM_EXECUTABLE)
++ added_exe_file_vma(mm);
++ }
++
++ if (new_m->vm_ops && new_m->vm_ops->open)
++ new_m->vm_ops->open(new_m);
++
++ if (new_below)
++ err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff +
++ ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m);
++ else
++ err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m);
++
++ if (err) {
++ if (new_m->vm_ops && new_m->vm_ops->close)
++ new_m->vm_ops->close(new_m);
++ if (new_m->vm_file) {
++ if (vma_m->vm_flags & VM_EXECUTABLE)
++ removed_exe_file_vma(mm);
++ fput(new_m->vm_file);
++ }
++ mpol_put(pol);
++ }
++ }
++#endif
++
+ /* Success. */
+ if (!err)
+ return 0;
+@@ -2016,10 +2397,18 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+ removed_exe_file_vma(mm);
+ fput(new->vm_file);
+ }
+- unlink_anon_vmas(new);
+ out_free_mpol:
+ mpol_put(pol);
+ out_free_vma:
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (new_m) {
++ unlink_anon_vmas(new_m);
++ kmem_cache_free(vm_area_cachep, new_m);
++ }
++#endif
++
++ unlink_anon_vmas(new);
+ kmem_cache_free(vm_area_cachep, new);
+ out_err:
+ return err;
+@@ -2032,6 +2421,15 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, int new_below)
+ {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC) {
++ BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE);
++ if (mm->map_count >= sysctl_max_map_count-1)
++ return -ENOMEM;
++ } else
++#endif
++
+ if (mm->map_count >= sysctl_max_map_count)
+ return -ENOMEM;
+
+@@ -2043,11 +2441,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+ * work. This now handles partial unmappings.
+ * Jeremy Fitzhardinge <jeremy(a)goop.org>
+ */
++#ifdef CONFIG_PAX_SEGMEXEC
+ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
+ {
++ int ret = __do_munmap(mm, start, len);
++ if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC))
++ return ret;
++
++ return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len);
++}
++
++int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
++#else
++int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
++#endif
++{
+ unsigned long end;
+ struct vm_area_struct *vma, *prev, *last;
+
++ /*
++ * mm->mmap_sem is required to protect against another thread
++ * changing the mappings in case we sleep.
++ */
++ verify_mm_writelocked(mm);
++
+ if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start)
+ return -EINVAL;
+
+@@ -2122,6 +2539,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
+ /* Fix up all other VM information */
+ remove_vma_list(mm, vma);
+
++ track_exec_limit(mm, start, end, 0UL);
++
+ return 0;
+ }
+
+@@ -2130,6 +2549,13 @@ int vm_munmap(unsigned long start, size_t len)
+ int ret;
+ struct mm_struct *mm = current->mm;
+
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) &&
++ (len > SEGMEXEC_TASK_SIZE || start > SEGMEXEC_TASK_SIZE-len))
++ return -EINVAL;
++#endif
++
+ down_write(&mm->mmap_sem);
+ ret = do_munmap(mm, start, len);
+ up_write(&mm->mmap_sem);
+@@ -2143,16 +2569,6 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
+ return vm_munmap(addr, len);
+ }
+
+-static inline void verify_mm_writelocked(struct mm_struct *mm)
+-{
+-#ifdef CONFIG_DEBUG_VM
+- if (unlikely(down_read_trylock(&mm->mmap_sem))) {
+- WARN_ON(1);
+- up_read(&mm->mmap_sem);
+- }
+-#endif
+-}
+-
+ /*
+ * this is really a simplified "do_mmap". it only handles
+ * anonymous maps. eventually we may be able to do some
+@@ -2166,6 +2582,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
+ struct rb_node ** rb_link, * rb_parent;
+ pgoff_t pgoff = addr >> PAGE_SHIFT;
+ int error;
++ unsigned long charged;
+
+ len = PAGE_ALIGN(len);
+ if (!len)
+@@ -2173,16 +2590,30 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
+
+ flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
+
++#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
++ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
++ flags &= ~VM_EXEC;
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (mm->pax_flags & MF_PAX_MPROTECT)
++ flags &= ~VM_MAYEXEC;
++#endif
++
++ }
++#endif
++
+ error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED);
+ if (error & ~PAGE_MASK)
+ return error;
+
++ charged = len >> PAGE_SHIFT;
++
+ /*
+ * mlock MCL_FUTURE?
+ */
+ if (mm->def_flags & VM_LOCKED) {
+ unsigned long locked, lock_limit;
+- locked = len >> PAGE_SHIFT;
++ locked = charged;
+ locked += mm->locked_vm;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
+ lock_limit >>= PAGE_SHIFT;
+@@ -2199,22 +2630,22 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
+ /*
+ * Clear old maps. this also does some error checking for us
+ */
+- munmap_back:
+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
+ if (vma && vma->vm_start < addr + len) {
+ if (do_munmap(mm, addr, len))
+ return -ENOMEM;
+- goto munmap_back;
+- }
++ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent);
++ BUG_ON(vma && vma->vm_start < addr + len);
++ }
+
+ /* Check against address space limits *after* clearing old maps... */
+- if (!may_expand_vm(mm, len >> PAGE_SHIFT))
++ if (!may_expand_vm(mm, charged))
+ return -ENOMEM;
+
+ if (mm->map_count > sysctl_max_map_count)
+ return -ENOMEM;
+
+- if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT))
++ if (security_vm_enough_memory_mm(mm, charged))
+ return -ENOMEM;
+
+ /* Can we just expand an old private anonymous mapping? */
+@@ -2228,7 +2659,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
+ */
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
+ if (!vma) {
+- vm_unacct_memory(len >> PAGE_SHIFT);
++ vm_unacct_memory(charged);
+ return -ENOMEM;
+ }
+
+@@ -2242,11 +2673,12 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
+ vma_link(mm, vma, prev, rb_link, rb_parent);
+ out:
+ perf_event_mmap(vma);
+- mm->total_vm += len >> PAGE_SHIFT;
++ mm->total_vm += charged;
+ if (flags & VM_LOCKED) {
+ if (!mlock_vma_pages_range(vma, addr, addr + len))
+- mm->locked_vm += (len >> PAGE_SHIFT);
++ mm->locked_vm += charged;
+ }
++ track_exec_limit(mm, addr, addr + len, flags);
+ return addr;
+ }
+
+@@ -2304,6 +2736,7 @@ void exit_mmap(struct mm_struct *mm)
+ while (vma) {
+ if (vma->vm_flags & VM_ACCOUNT)
+ nr_accounted += vma_pages(vma);
++ vma->vm_mirror = NULL;
+ vma = remove_vma(vma);
+ }
+ vm_unacct_memory(nr_accounted);
+@@ -2320,6 +2753,13 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
+ struct vm_area_struct * __vma, * prev;
+ struct rb_node ** rb_link, * rb_parent;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m = NULL;
++#endif
++
++ if (security_mmap_addr(vma->vm_start))
++ return -EPERM;
++
+ /*
+ * The vm_pgoff of a purely anonymous vma should be irrelevant
+ * until its first write fault, when page's anon_vma and index
+@@ -2343,7 +2783,21 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
+ security_vm_enough_memory_mm(mm, vma_pages(vma)))
+ return -ENOMEM;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) {
++ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
++ if (!vma_m)
++ return -ENOMEM;
++ }
++#endif
++
+ vma_link(mm, vma, prev, rb_link, rb_parent);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (vma_m)
++ BUG_ON(pax_mirror_vma(vma_m, vma));
++#endif
++
+ return 0;
+ }
+
+@@ -2362,6 +2816,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
+ struct mempolicy *pol;
+ bool faulted_in_anon_vma = true;
+
++ BUG_ON(vma->vm_mirror);
++
+ /*
+ * If anonymous vma has not yet been faulted, update new pgoff
+ * to match new location, to increase its chance of merging.
+@@ -2430,6 +2886,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
+ return NULL;
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma)
++{
++ struct vm_area_struct *prev_m;
++ struct rb_node **rb_link_m, *rb_parent_m;
++ struct mempolicy *pol_m;
++
++ BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC));
++ BUG_ON(vma->vm_mirror || vma_m->vm_mirror);
++ BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m)));
++ *vma_m = *vma;
++ INIT_LIST_HEAD(&vma_m->anon_vma_chain);
++ if (anon_vma_clone(vma_m, vma))
++ return -ENOMEM;
++ pol_m = vma_policy(vma_m);
++ mpol_get(pol_m);
++ vma_set_policy(vma_m, pol_m);
++ vma_m->vm_start += SEGMEXEC_TASK_SIZE;
++ vma_m->vm_end += SEGMEXEC_TASK_SIZE;
++ vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED);
++ vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags);
++ if (vma_m->vm_file)
++ get_file(vma_m->vm_file);
++ if (vma_m->vm_ops && vma_m->vm_ops->open)
++ vma_m->vm_ops->open(vma_m);
++ find_vma_prepare(vma->vm_mm, vma_m->vm_start, &prev_m, &rb_link_m, &rb_parent_m);
++ vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m);
++ vma_m->vm_mirror = vma;
++ vma->vm_mirror = vma_m;
++ return 0;
++}
++#endif
++
+ /*
+ * Return true if the calling process may expand its vm space by the passed
+ * number of pages
+@@ -2441,6 +2930,12 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
+
+ lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT;
+
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ cur -= mm->brk_gap;
++#endif
++
++ gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1);
+ if (cur + npages > lim)
+ return 0;
+ return 1;
+@@ -2511,6 +3006,22 @@ int install_special_mapping(struct mm_struct *mm,
+ vma->vm_start = addr;
+ vma->vm_end = addr + len;
+
++#ifdef CONFIG_PAX_MPROTECT
++ if (mm->pax_flags & MF_PAX_MPROTECT) {
++#ifndef CONFIG_PAX_MPROTECT_COMPAT
++ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC))
++ return -EPERM;
++ if (!(vm_flags & VM_EXEC))
++ vm_flags &= ~VM_MAYEXEC;
++#else
++ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
++ vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
++#endif
++ else
++ vm_flags &= ~VM_MAYWRITE;
++ }
++#endif
++
+ vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND;
+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+
+diff --git a/mm/mprotect.c b/mm/mprotect.c
+index a409926..8b32e6d 100644
+--- a/mm/mprotect.c
++++ b/mm/mprotect.c
+@@ -23,10 +23,17 @@
+ #include <linux/mmu_notifier.h>
+ #include <linux/migrate.h>
+ #include <linux/perf_event.h>
++
++#ifdef CONFIG_PAX_MPROTECT
++#include <linux/elf.h>
++#include <linux/binfmts.h>
++#endif
++
+ #include <asm/uaccess.h>
+ #include <asm/pgtable.h>
+ #include <asm/cacheflush.h>
+ #include <asm/tlbflush.h>
++#include <asm/mmu_context.h>
+
+ #ifndef pgprot_modify
+ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
+@@ -141,6 +148,48 @@ static void change_protection(struct vm_area_struct *vma,
+ flush_tlb_range(vma, start, end);
+ }
+
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++/* called while holding the mmap semaphor for writing except stack expansion */
++void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot)
++{
++ unsigned long oldlimit, newlimit = 0UL;
++
++ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX))
++ return;
++
++ spin_lock(&mm->page_table_lock);
++ oldlimit = mm->context.user_cs_limit;
++ if ((prot & VM_EXEC) && oldlimit < end)
++ /* USER_CS limit moved up */
++ newlimit = end;
++ else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end)
++ /* USER_CS limit moved down */
++ newlimit = start;
++
++ if (newlimit) {
++ mm->context.user_cs_limit = newlimit;
++
++#ifdef CONFIG_SMP
++ wmb();
++ cpus_clear(mm->context.cpu_user_cs_mask);
++ cpu_set(smp_processor_id(), mm->context.cpu_user_cs_mask);
++#endif
++
++ set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id());
++ }
++ spin_unlock(&mm->page_table_lock);
++ if (newlimit == end) {
++ struct vm_area_struct *vma = find_vma(mm, oldlimit);
++
++ for (; vma && vma->vm_start < end; vma = vma->vm_next)
++ if (is_vm_hugetlb_page(vma))
++ hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot);
++ else
++ change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma));
++ }
++}
++#endif
++
+ int
+ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
+ unsigned long start, unsigned long end, unsigned long newflags)
+@@ -153,11 +202,29 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
+ int error;
+ int dirty_accountable = 0;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m = NULL;
++ unsigned long start_m, end_m;
++
++ start_m = start + SEGMEXEC_TASK_SIZE;
++ end_m = end + SEGMEXEC_TASK_SIZE;
++#endif
++
+ if (newflags == oldflags) {
+ *pprev = vma;
+ return 0;
+ }
+
++ if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) {
++ struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next;
++
++ if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end)
++ return -ENOMEM;
++
++ if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end)
++ return -ENOMEM;
++ }
++
+ /*
+ * If we make a private mapping writable we increase our commit;
+ * but (without finer accounting) cannot reduce our commit if we
+@@ -174,6 +241,42 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
+ }
+ }
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) {
++ if (start != vma->vm_start) {
++ error = split_vma(mm, vma, start, 1);
++ if (error)
++ goto fail;
++ BUG_ON(!*pprev || (*pprev)->vm_next == vma);
++ *pprev = (*pprev)->vm_next;
++ }
++
++ if (end != vma->vm_end) {
++ error = split_vma(mm, vma, end, 0);
++ if (error)
++ goto fail;
++ }
++
++ if (pax_find_mirror_vma(vma)) {
++ error = __do_munmap(mm, start_m, end_m - start_m);
++ if (error)
++ goto fail;
++ } else {
++ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
++ if (!vma_m) {
++ error = -ENOMEM;
++ goto fail;
++ }
++ vma->vm_flags = newflags;
++ error = pax_mirror_vma(vma_m, vma);
++ if (error) {
++ vma->vm_flags = oldflags;
++ goto fail;
++ }
++ }
++ }
++#endif
++
+ /*
+ * First try to merge with previous and/or next vma.
+ */
+@@ -204,9 +307,21 @@ success:
+ * vm_flags and vm_page_prot are protected by the mmap_sem
+ * held in write mode.
+ */
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ))
++ pax_find_mirror_vma(vma)->vm_flags ^= VM_READ;
++#endif
++
+ vma->vm_flags = newflags;
++
++#ifdef CONFIG_PAX_MPROTECT
++ if (mm->binfmt && mm->binfmt->handle_mprotect)
++ mm->binfmt->handle_mprotect(vma, newflags);
++#endif
++
+ vma->vm_page_prot = pgprot_modify(vma->vm_page_prot,
+- vm_get_page_prot(newflags));
++ vm_get_page_prot(vma->vm_flags));
+
+ if (vma_wants_writenotify(vma)) {
+ vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED);
+@@ -248,6 +363,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
+ end = start + len;
+ if (end <= start)
+ return -ENOMEM;
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
++ if (end > SEGMEXEC_TASK_SIZE)
++ return -EINVAL;
++ } else
++#endif
++
++ if (end > TASK_SIZE)
++ return -EINVAL;
++
+ if (!arch_validate_prot(prot))
+ return -EINVAL;
+
+@@ -255,7 +381,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
+ /*
+ * Does the application expect PROT_READ to imply PROT_EXEC:
+ */
+- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
++ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
+ prot |= PROT_EXEC;
+
+ vm_flags = calc_vm_prot_bits(prot);
+@@ -288,6 +414,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
+ if (start > vma->vm_start)
+ prev = vma;
+
++#ifdef CONFIG_PAX_MPROTECT
++ if (current->mm->binfmt && current->mm->binfmt->handle_mprotect)
++ current->mm->binfmt->handle_mprotect(vma, vm_flags);
++#endif
++
+ for (nstart = start ; ; ) {
+ unsigned long newflags;
+
+@@ -297,6 +428,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
+
+ /* newflags >> 4 shift VM_MAY% in place of VM_% */
+ if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) {
++ if (prot & (PROT_WRITE | PROT_EXEC))
++ gr_log_rwxmprotect(vma->vm_file);
++
++ error = -EACCES;
++ goto out;
++ }
++
++ if (!gr_acl_handle_mprotect(vma->vm_file, prot)) {
+ error = -EACCES;
+ goto out;
+ }
+@@ -311,6 +450,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
+ error = mprotect_fixup(vma, &prev, nstart, tmp, newflags);
+ if (error)
+ goto out;
++
++ track_exec_limit(current->mm, nstart, tmp, vm_flags);
++
+ nstart = tmp;
+
+ if (nstart < prev->vm_end)
+diff --git a/mm/mremap.c b/mm/mremap.c
+index cc06d0e..40b5d18 100644
+--- a/mm/mremap.c
++++ b/mm/mremap.c
+@@ -106,6 +106,12 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
+ continue;
+ pte = ptep_get_and_clear(mm, old_addr, old_pte);
+ pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr);
++
++#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
++ if (!(__supported_pte_mask & _PAGE_NX) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC)
++ pte = pte_exprotect(pte);
++#endif
++
+ set_pte_at(mm, new_addr, new_pte, pte);
+ }
+
+@@ -298,6 +304,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
+ if (is_vm_hugetlb_page(vma))
+ goto Einval;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (pax_find_mirror_vma(vma))
++ goto Einval;
++#endif
++
+ /* We can't remap across vm area boundaries */
+ if (old_len > vma->vm_end - addr)
+ goto Efault;
+@@ -354,20 +365,25 @@ static unsigned long mremap_to(unsigned long addr,
+ unsigned long ret = -EINVAL;
+ unsigned long charged = 0;
+ unsigned long map_flags;
++ unsigned long pax_task_size = TASK_SIZE;
+
+ if (new_addr & ~PAGE_MASK)
+ goto out;
+
+- if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
++
++ if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len)
+ goto out;
+
+ /* Check if the location we're moving into overlaps the
+ * old location at all, and fail if it does.
+ */
+- if ((new_addr <= addr) && (new_addr+new_len) > addr)
+- goto out;
+-
+- if ((addr <= new_addr) && (addr+old_len) > new_addr)
++ if (addr + old_len > new_addr && new_addr + new_len > addr)
+ goto out;
+
+ ret = do_munmap(mm, new_addr, new_len);
+@@ -435,6 +451,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
+ struct vm_area_struct *vma;
+ unsigned long ret = -EINVAL;
+ unsigned long charged = 0;
++ unsigned long pax_task_size = TASK_SIZE;
+
+ down_write(¤t->mm->mmap_sem);
+
+@@ -455,6 +472,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
+ if (!new_len)
+ goto out;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (mm->pax_flags & MF_PAX_SEGMEXEC)
++ pax_task_size = SEGMEXEC_TASK_SIZE;
++#endif
++
++ pax_task_size -= PAGE_SIZE;
++
++ if (new_len > pax_task_size || addr > pax_task_size-new_len ||
++ old_len > pax_task_size || addr > pax_task_size-old_len)
++ goto out;
++
+ if (flags & MREMAP_FIXED) {
+ if (flags & MREMAP_MAYMOVE)
+ ret = mremap_to(addr, old_len, new_addr, new_len);
+@@ -503,6 +531,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
+ addr + new_len);
+ }
+ ret = addr;
++ track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags);
+ goto out;
+ }
+ }
+@@ -526,7 +555,12 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
+ goto out;
+ }
+
++ map_flags = vma->vm_flags;
+ ret = move_vma(vma, addr, old_len, new_len, new_addr);
++ if (!(ret & ~PAGE_MASK)) {
++ track_exec_limit(current->mm, addr, addr + old_len, 0UL);
++ track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags);
++ }
+ }
+ out:
+ if (ret & ~PAGE_MASK)
+diff --git a/mm/nommu.c b/mm/nommu.c
+index d4b0c10..ed421b5 100644
+--- a/mm/nommu.c
++++ b/mm/nommu.c
+@@ -62,7 +62,6 @@ int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */
+ int sysctl_overcommit_ratio = 50; /* default is 50% */
+ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT;
+ int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS;
+-int heap_stack_gap = 0;
+
+ atomic_long_t mmap_pages_allocated;
+
+@@ -827,15 +826,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+ EXPORT_SYMBOL(find_vma);
+
+ /*
+- * find a VMA
+- * - we don't extend stack VMAs under NOMMU conditions
+- */
+-struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr)
+-{
+- return find_vma(mm, addr);
+-}
+-
+-/*
+ * expand a stack to a given address
+ * - not supported under NOMMU conditions
+ */
+@@ -1551,6 +1541,7 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+
+ /* most fields are the same, copy all, and then fixup */
+ *new = *vma;
++ INIT_LIST_HEAD(&new->anon_vma_chain);
+ *region = *vma->vm_region;
+ new->vm_region = region;
+
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index c13ea75..081ab2c 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -340,7 +340,7 @@ out:
+ * This usage means that zero-order pages may not be compound.
+ */
+
+-static void free_compound_page(struct page *page)
++void free_compound_page(struct page *page)
+ {
+ __free_pages_ok(page, compound_order(page));
+ }
+@@ -697,6 +697,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
+ int i;
+ int bad = 0;
+
++#ifdef CONFIG_PAX_MEMORY_SANITIZE
++ unsigned long index = 1UL << order;
++#endif
++
+ trace_mm_page_free(page, order);
+ kmemcheck_free_shadow(page, order);
+
+@@ -712,6 +716,12 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
+ debug_check_no_obj_freed(page_address(page),
+ PAGE_SIZE << order);
+ }
++
++#ifdef CONFIG_PAX_MEMORY_SANITIZE
++ for (; index; --index)
++ sanitize_highpage(page + index - 1);
++#endif
++
+ arch_free_page(page, order);
+ kernel_map_pages(page, 1 << order, 0);
+
+@@ -853,8 +863,10 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
+ arch_alloc_page(page, order);
+ kernel_map_pages(page, 1 << order, 1);
+
++#ifndef CONFIG_PAX_MEMORY_SANITIZE
+ if (gfp_flags & __GFP_ZERO)
+ prep_zero_page(page, order, gfp_flags);
++#endif
+
+ if (order && (gfp_flags & __GFP_COMP))
+ prep_compound_page(page, order);
+@@ -3648,7 +3660,13 @@ static int pageblock_is_reserved(unsigned long start_pfn, unsigned long end_pfn)
+ unsigned long pfn;
+
+ for (pfn = start_pfn; pfn < end_pfn; pfn++) {
++#ifdef CONFIG_X86_32
++ /* boot failures in VMware 8 on 32bit vanilla since
++ this change */
++ if (!pfn_valid(pfn) || PageReserved(pfn_to_page(pfn)))
++#else
+ if (!pfn_valid_within(pfn) || PageReserved(pfn_to_page(pfn)))
++#endif
+ return 1;
+ }
+ return 0;
+diff --git a/mm/percpu.c b/mm/percpu.c
+index bb4be74..a43ea85 100644
+--- a/mm/percpu.c
++++ b/mm/percpu.c
+@@ -122,7 +122,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly;
+ static unsigned int pcpu_high_unit_cpu __read_mostly;
+
+ /* the address of the first chunk which starts with the kernel static area */
+-void *pcpu_base_addr __read_mostly;
++void *pcpu_base_addr __read_only;
+ EXPORT_SYMBOL_GPL(pcpu_base_addr);
+
+ static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */
+diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
+index 926b466..b23df53 100644
+--- a/mm/process_vm_access.c
++++ b/mm/process_vm_access.c
+@@ -13,6 +13,7 @@
+ #include <linux/uio.h>
+ #include <linux/sched.h>
+ #include <linux/highmem.h>
++#include <linux/security.h>
+ #include <linux/ptrace.h>
+ #include <linux/slab.h>
+ #include <linux/syscalls.h>
+@@ -258,19 +259,19 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
+ size_t iov_l_curr_offset = 0;
+ ssize_t iov_len;
+
++ return -ENOSYS; // PaX: until properly audited
++
+ /*
+ * Work out how many pages of struct pages we're going to need
+ * when eventually calling get_user_pages
+ */
+ for (i = 0; i < riovcnt; i++) {
+ iov_len = rvec[i].iov_len;
+- if (iov_len > 0) {
+- nr_pages_iov = ((unsigned long)rvec[i].iov_base
+- + iov_len)
+- / PAGE_SIZE - (unsigned long)rvec[i].iov_base
+- / PAGE_SIZE + 1;
+- nr_pages = max(nr_pages, nr_pages_iov);
+- }
++ if (iov_len <= 0)
++ continue;
++ nr_pages_iov = ((unsigned long)rvec[i].iov_base + iov_len) / PAGE_SIZE -
++ (unsigned long)rvec[i].iov_base / PAGE_SIZE + 1;
++ nr_pages = max(nr_pages, nr_pages_iov);
+ }
+
+ if (nr_pages == 0)
+@@ -298,6 +299,11 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
+ goto free_proc_pages;
+ }
+
++ if (gr_handle_ptrace(task, vm_write ? PTRACE_POKETEXT : PTRACE_ATTACH)) {
++ rc = -EPERM;
++ goto put_task_struct;
++ }
++
+ mm = mm_access(task, PTRACE_MODE_ATTACH);
+ if (!mm || IS_ERR(mm)) {
+ rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
+diff --git a/mm/rmap.c b/mm/rmap.c
+index aa95e59..b681a63 100644
+--- a/mm/rmap.c
++++ b/mm/rmap.c
+@@ -168,6 +168,10 @@ int anon_vma_prepare(struct vm_area_struct *vma)
+ struct anon_vma *anon_vma = vma->anon_vma;
+ struct anon_vma_chain *avc;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct anon_vma_chain *avc_m = NULL;
++#endif
++
+ might_sleep();
+ if (unlikely(!anon_vma)) {
+ struct mm_struct *mm = vma->vm_mm;
+@@ -177,6 +181,12 @@ int anon_vma_prepare(struct vm_area_struct *vma)
+ if (!avc)
+ goto out_enomem;
+
++#ifdef CONFIG_PAX_SEGMEXEC
++ avc_m = anon_vma_chain_alloc(GFP_KERNEL);
++ if (!avc_m)
++ goto out_enomem_free_avc;
++#endif
++
+ anon_vma = find_mergeable_anon_vma(vma);
+ allocated = NULL;
+ if (!anon_vma) {
+@@ -190,6 +200,18 @@ int anon_vma_prepare(struct vm_area_struct *vma)
+ /* page_table_lock to protect against threads */
+ spin_lock(&mm->page_table_lock);
+ if (likely(!vma->anon_vma)) {
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ struct vm_area_struct *vma_m = pax_find_mirror_vma(vma);
++
++ if (vma_m) {
++ BUG_ON(vma_m->anon_vma);
++ vma_m->anon_vma = anon_vma;
++ anon_vma_chain_link(vma_m, avc_m, anon_vma);
++ avc_m = NULL;
++ }
++#endif
++
+ vma->anon_vma = anon_vma;
+ anon_vma_chain_link(vma, avc, anon_vma);
+ allocated = NULL;
+@@ -200,12 +222,24 @@ int anon_vma_prepare(struct vm_area_struct *vma)
+
+ if (unlikely(allocated))
+ put_anon_vma(allocated);
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (unlikely(avc_m))
++ anon_vma_chain_free(avc_m);
++#endif
++
+ if (unlikely(avc))
+ anon_vma_chain_free(avc);
+ }
+ return 0;
+
+ out_enomem_free_avc:
++
++#ifdef CONFIG_PAX_SEGMEXEC
++ if (avc_m)
++ anon_vma_chain_free(avc_m);
++#endif
++
+ anon_vma_chain_free(avc);
+ out_enomem:
+ return -ENOMEM;
+@@ -241,7 +275,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root)
+ * Attach the anon_vmas from src to dst.
+ * Returns 0 on success, -ENOMEM on failure.
+ */
+-int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
++int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src)
+ {
+ struct anon_vma_chain *avc, *pavc;
+ struct anon_vma *root = NULL;
+@@ -319,7 +353,7 @@ void anon_vma_moveto_tail(struct vm_area_struct *dst)
+ * the corresponding VMA in the parent process is attached to.
+ * Returns 0 on success, non-zero on failure.
+ */
+-int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
++int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma)
+ {
+ struct anon_vma_chain *avc;
+ struct anon_vma *anon_vma;
+diff --git a/mm/shmem.c b/mm/shmem.c
+index d2eeca1..3f160be 100644
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -31,7 +31,7 @@
+ #include <linux/export.h>
+ #include <linux/swap.h>
+
+-static struct vfsmount *shm_mnt;
++struct vfsmount *shm_mnt;
+
+ #ifdef CONFIG_SHMEM
+ /*
+@@ -75,7 +75,7 @@ static struct vfsmount *shm_mnt;
+ #define BOGO_DIRENT_SIZE 20
+
+ /* Symlink up to this size is kmalloc'ed instead of using a swappable page */
+-#define SHORT_SYMLINK_LEN 128
++#define SHORT_SYMLINK_LEN 64
+
+ struct shmem_xattr {
+ struct list_head list; /* anchored by shmem_inode_info->xattr_list */
+@@ -2594,8 +2594,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
+ int err = -ENOMEM;
+
+ /* Round up to L1_CACHE_BYTES to resist false sharing */
+- sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info),
+- L1_CACHE_BYTES), GFP_KERNEL);
++ sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL);
+ if (!sbinfo)
+ return -ENOMEM;
+
+diff --git a/mm/slab.c b/mm/slab.c
+index d066037..5bb78d9 100644
+--- a/mm/slab.c
++++ b/mm/slab.c
+@@ -164,7 +164,7 @@ static bool pfmemalloc_active __read_mostly;
+
+ /* Legal flag mask for kmem_cache_create(). */
+ #if DEBUG
+-# define CREATE_MASK (SLAB_RED_ZONE | \
++# define CREATE_MASK (SLAB_USERCOPY | SLAB_RED_ZONE | \
+ SLAB_POISON | SLAB_HWCACHE_ALIGN | \
+ SLAB_CACHE_DMA | \
+ SLAB_STORE_USER | \
+@@ -172,7 +172,7 @@ static bool pfmemalloc_active __read_mostly;
+ SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \
+ SLAB_DEBUG_OBJECTS | SLAB_NOLEAKTRACE | SLAB_NOTRACK)
+ #else
+-# define CREATE_MASK (SLAB_HWCACHE_ALIGN | \
++# define CREATE_MASK (SLAB_USERCOPY | SLAB_HWCACHE_ALIGN | \
+ SLAB_CACHE_DMA | \
+ SLAB_RECLAIM_ACCOUNT | SLAB_PANIC | \
+ SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \
+@@ -322,7 +322,7 @@ struct kmem_list3 {
+ * Need this for bootstrapping a per node allocator.
+ */
+ #define NUM_INIT_LISTS (3 * MAX_NUMNODES)
+-static struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS];
++static struct kmem_list3 initkmem_list3[NUM_INIT_LISTS];
+ #define CACHE_CACHE 0
+ #define SIZE_AC MAX_NUMNODES
+ #define SIZE_L3 (2 * MAX_NUMNODES)
+@@ -423,10 +423,10 @@ static void kmem_list3_init(struct kmem_list3 *parent)
+ if ((x)->max_freeable < i) \
+ (x)->max_freeable = i; \
+ } while (0)
+-#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit)
+-#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss)
+-#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit)
+-#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss)
++#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit)
++#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss)
++#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit)
++#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss)
+ #else
+ #define STATS_INC_ACTIVE(x) do { } while (0)
+ #define STATS_DEC_ACTIVE(x) do { } while (0)
+@@ -549,7 +549,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct slab *slab,
+ * reciprocal_divide(offset, cache->reciprocal_buffer_size)
+ */
+ static inline unsigned int obj_to_index(const struct kmem_cache *cache,
+- const struct slab *slab, void *obj)
++ const struct slab *slab, const void *obj)
+ {
+ u32 offset = (obj - slab->s_mem);
+ return reciprocal_divide(offset, cache->reciprocal_buffer_size);
+@@ -570,12 +570,13 @@ EXPORT_SYMBOL(malloc_sizes);
+ struct cache_names {
+ char *name;
+ char *name_dma;
++ char *name_usercopy;
+ };
+
+ static struct cache_names __initdata cache_names[] = {
+-#define CACHE(x) { .name = "size-" #x, .name_dma = "size-" #x "(DMA)" },
++#define CACHE(x) { .name = "size-" #x, .name_dma = "size-" #x "(DMA)", .name_usercopy = "size-" #x "(USERCOPY)" },
+ #include <linux/kmalloc_sizes.h>
+- {NULL,}
++ {NULL}
+ #undef CACHE
+ };
+
+@@ -736,6 +737,12 @@ static inline struct kmem_cache *__find_general_cachep(size_t size,
+ if (unlikely(gfpflags & GFP_DMA))
+ return csizep->cs_dmacachep;
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ if (unlikely(gfpflags & GFP_USERCOPY))
++ return csizep->cs_usercopycachep;
++#endif
++
+ return csizep->cs_cachep;
+ }
+
+@@ -1684,7 +1691,7 @@ void __init kmem_cache_init(void)
+ sizes[INDEX_AC].cs_cachep = __kmem_cache_create(names[INDEX_AC].name,
+ sizes[INDEX_AC].cs_size,
+ ARCH_KMALLOC_MINALIGN,
+- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
++ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
+ NULL);
+
+ if (INDEX_AC != INDEX_L3) {
+@@ -1692,7 +1699,7 @@ void __init kmem_cache_init(void)
+ __kmem_cache_create(names[INDEX_L3].name,
+ sizes[INDEX_L3].cs_size,
+ ARCH_KMALLOC_MINALIGN,
+- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
++ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
+ NULL);
+ }
+
+@@ -1710,7 +1717,7 @@ void __init kmem_cache_init(void)
+ sizes->cs_cachep = __kmem_cache_create(names->name,
+ sizes->cs_size,
+ ARCH_KMALLOC_MINALIGN,
+- ARCH_KMALLOC_FLAGS|SLAB_PANIC,
++ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
+ NULL);
+ }
+ #ifdef CONFIG_ZONE_DMA
+@@ -1722,6 +1729,16 @@ void __init kmem_cache_init(void)
+ SLAB_PANIC,
+ NULL);
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ sizes->cs_usercopycachep = kmem_cache_create(
++ names->name_usercopy,
++ sizes->cs_size,
++ ARCH_KMALLOC_MINALIGN,
++ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY,
++ NULL);
++#endif
++
+ sizes++;
+ names++;
+ }
+@@ -4467,10 +4484,10 @@ static int s_show(struct seq_file *m, void *p)
+ }
+ /* cpu stats */
+ {
+- unsigned long allochit = atomic_read(&cachep->allochit);
+- unsigned long allocmiss = atomic_read(&cachep->allocmiss);
+- unsigned long freehit = atomic_read(&cachep->freehit);
+- unsigned long freemiss = atomic_read(&cachep->freemiss);
++ unsigned long allochit = atomic_read_unchecked(&cachep->allochit);
++ unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss);
++ unsigned long freehit = atomic_read_unchecked(&cachep->freehit);
++ unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss);
+
+ seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu",
+ allochit, allocmiss, freehit, freemiss);
+@@ -4729,13 +4746,71 @@ static int __init slab_proc_init(void)
+ {
+ proc_create("slabinfo",S_IWUSR|S_IRUSR,NULL,&proc_slabinfo_operations);
+ #ifdef CONFIG_DEBUG_SLAB_LEAK
+- proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
++ proc_create("slab_allocators", S_IRUSR, NULL, &proc_slabstats_operations);
+ #endif
+ return 0;
+ }
+ module_init(slab_proc_init);
+ #endif
+
++bool is_usercopy_object(const void *ptr)
++{
++ struct page *page;
++ struct kmem_cache *cachep;
++
++ if (ZERO_OR_NULL_PTR(ptr))
++ return false;
++
++ if (!slab_is_available())
++ return false;
++
++ if (!virt_addr_valid(ptr))
++ return false;
++
++ page = virt_to_head_page(ptr);
++
++ if (!PageSlab(page))
++ return false;
++
++ cachep = page_get_cache(page);
++ return cachep->flags & SLAB_USERCOPY;
++}
++
++#ifdef CONFIG_PAX_USERCOPY
++const char *check_heap_object(const void *ptr, unsigned long n, bool to)
++{
++ struct page *page;
++ struct kmem_cache *cachep;
++ struct slab *slabp;
++ unsigned int objnr;
++ unsigned long offset;
++
++ if (ZERO_OR_NULL_PTR(ptr))
++ return "<null>";
++
++ if (!virt_addr_valid(ptr))
++ return NULL;
++
++ page = virt_to_head_page(ptr);
++
++ if (!PageSlab(page))
++ return NULL;
++
++ cachep = page_get_cache(page);
++ if (!(cachep->flags & SLAB_USERCOPY))
++ return cachep->name;
++
++ slabp = page->slab_page;
++ objnr = obj_to_index(cachep, slabp, ptr);
++ BUG_ON(objnr >= cachep->num);
++ offset = ptr - index_to_obj(cachep, slabp, objnr) - obj_offset(cachep);
++ if (offset <= cachep->object_size && n <= cachep->object_size - offset)
++ return NULL;
++
++ return cachep->name;
++}
++#endif
++
+ /**
+ * ksize - get the actual amount of memory allocated for a given object
+ * @objp: Pointer to the object
+diff --git a/mm/slob.c b/mm/slob.c
+index 45d4ca7..88943c1 100644
+--- a/mm/slob.c
++++ b/mm/slob.c
+@@ -159,7 +159,7 @@ static void set_slob(slob_t *s, slobidx_t size, slob_t *next)
+ /*
+ * Return the size of a slob block.
+ */
+-static slobidx_t slob_units(slob_t *s)
++static slobidx_t slob_units(const slob_t *s)
+ {
+ if (s->units > 0)
+ return s->units;
+@@ -169,7 +169,7 @@ static slobidx_t slob_units(slob_t *s)
+ /*
+ * Return the next free slob block pointer after this one.
+ */
+-static slob_t *slob_next(slob_t *s)
++static slob_t *slob_next(const slob_t *s)
+ {
+ slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK);
+ slobidx_t next;
+@@ -184,14 +184,14 @@ static slob_t *slob_next(slob_t *s)
+ /*
+ * Returns true if s is the last free block in its page.
+ */
+-static int slob_last(slob_t *s)
++static int slob_last(const slob_t *s)
+ {
+ return !((unsigned long)slob_next(s) & ~PAGE_MASK);
+ }
+
+-static void *slob_new_pages(gfp_t gfp, int order, int node)
++static struct page *slob_new_pages(gfp_t gfp, unsigned int order, int node)
+ {
+- void *page;
++ struct page *page;
+
+ #ifdef CONFIG_NUMA
+ if (node != -1)
+@@ -203,14 +203,18 @@ static void *slob_new_pages(gfp_t gfp, int order, int node)
+ if (!page)
+ return NULL;
+
+- return page_address(page);
++ __SetPageSlab(page);
++ return page;
+ }
+
+-static void slob_free_pages(void *b, int order)
++static void slob_free_pages(struct page *sp, int order)
+ {
+ if (current->reclaim_state)
+ current->reclaim_state->reclaimed_slab += 1 << order;
+- free_pages((unsigned long)b, order);
++ __ClearPageSlab(sp);
++ reset_page_mapcount(sp);
++ sp->private = 0;
++ __free_pages(sp, order);
+ }
+
+ /*
+@@ -315,15 +319,15 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
+
+ /* Not enough space: must allocate a new page */
+ if (!b) {
+- b = slob_new_pages(gfp & ~__GFP_ZERO, 0, node);
+- if (!b)
++ sp = slob_new_pages(gfp & ~__GFP_ZERO, 0, node);
++ if (!sp)
+ return NULL;
+- sp = virt_to_page(b);
+- __SetPageSlab(sp);
++ b = page_address(sp);
+
+ spin_lock_irqsave(&slob_lock, flags);
+ sp->units = SLOB_UNITS(PAGE_SIZE);
+ sp->freelist = b;
++ sp->private = 0;
+ INIT_LIST_HEAD(&sp->list);
+ set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE));
+ set_slob_page_free(sp, slob_list);
+@@ -361,9 +365,7 @@ static void slob_free(void *block, int size)
+ if (slob_page_free(sp))
+ clear_slob_page_free(sp);
+ spin_unlock_irqrestore(&slob_lock, flags);
+- __ClearPageSlab(sp);
+- reset_page_mapcount(sp);
+- slob_free_pages(b, 0);
++ slob_free_pages(sp, 0);
+ return;
+ }
+
+@@ -425,11 +427,10 @@ out:
+ * End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend.
+ */
+
+-void *__kmalloc_node(size_t size, gfp_t gfp, int node)
++static void *__kmalloc_node_align(size_t size, gfp_t gfp, int node, int align)
+ {
+- unsigned int *m;
+- int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
+- void *ret;
++ slob_t *m;
++ void *ret = NULL;
+
+ gfp &= gfp_allowed_mask;
+
+@@ -443,20 +444,23 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
+
+ if (!m)
+ return NULL;
+- *m = size;
++ BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT);
++ BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT);
++ m[0].units = size;
++ m[1].units = align;
+ ret = (void *)m + align;
+
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, size + align, gfp, node);
+ } else {
+ unsigned int order = get_order(size);
++ struct page *page;
+
+ if (likely(order))
+ gfp |= __GFP_COMP;
+- ret = slob_new_pages(gfp, order, node);
+- if (ret) {
+- struct page *page;
+- page = virt_to_page(ret);
++ page = slob_new_pages(gfp, order, node);
++ if (page) {
++ ret = page_address(page);
+ page->private = size;
+ }
+
+@@ -464,7 +468,16 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
+ size, PAGE_SIZE << order, gfp, node);
+ }
+
+- kmemleak_alloc(ret, size, 1, gfp);
++ return ret;
++}
++
++void *__kmalloc_node(size_t size, gfp_t gfp, int node)
++{
++ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
++ void *ret = __kmalloc_node_align(size, gfp, node, align);
++
++ if (!ZERO_OR_NULL_PTR(ret))
++ kmemleak_alloc(ret, size, 1, gfp);
+ return ret;
+ }
+ EXPORT_SYMBOL(__kmalloc_node);
+@@ -480,15 +493,91 @@ void kfree(const void *block)
+ kmemleak_free(block);
+
+ sp = virt_to_page(block);
+- if (PageSlab(sp)) {
++ VM_BUG_ON(!PageSlab(sp));
++ if (!sp->private) {
+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
+- unsigned int *m = (unsigned int *)(block - align);
+- slob_free(m, *m + align);
+- } else
++ slob_t *m = (slob_t *)(block - align);
++ slob_free(m, m[0].units + align);
++ } else {
++ __ClearPageSlab(sp);
++ reset_page_mapcount(sp);
++ sp->private = 0;
+ put_page(sp);
++ }
+ }
+ EXPORT_SYMBOL(kfree);
+
++bool is_usercopy_object(const void *ptr)
++{
++ if (!slab_is_available())
++ return false;
++
++ // PAX: TODO
++
++ return false;
++}
++
++#ifdef CONFIG_PAX_USERCOPY
++const char *check_heap_object(const void *ptr, unsigned long n, bool to)
++{
++ struct page *page;
++ const slob_t *free;
++ const void *base;
++ unsigned long flags;
++
++ if (ZERO_OR_NULL_PTR(ptr))
++ return "<null>";
++
++ if (!virt_addr_valid(ptr))
++ return NULL;
++
++ page = virt_to_head_page(ptr);
++ if (!PageSlab(page))
++ return NULL;
++
++ if (page->private) {
++ base = page;
++ if (base <= ptr && n <= page->private - (ptr - base))
++ return NULL;
++ return "<slob>";
++ }
++
++ /* some tricky double walking to find the chunk */
++ spin_lock_irqsave(&slob_lock, flags);
++ base = (void *)((unsigned long)ptr & PAGE_MASK);
++ free = page->freelist;
++
++ while (!slob_last(free) && (void *)free <= ptr) {
++ base = free + slob_units(free);
++ free = slob_next(free);
++ }
++
++ while (base < (void *)free) {
++ slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units;
++ int size = SLOB_UNIT * SLOB_UNITS(m + align);
++ int offset;
++
++ if (ptr < base + align)
++ break;
++
++ offset = ptr - base - align;
++ if (offset >= m) {
++ base += size;
++ continue;
++ }
++
++ if (n > m - offset)
++ break;
++
++ spin_unlock_irqrestore(&slob_lock, flags);
++ return NULL;
++ }
++
++ spin_unlock_irqrestore(&slob_lock, flags);
++ return "<slob>";
++}
++#endif
++
+ /* can't use ksize for kmem_cache_alloc memory, only kmalloc */
+ size_t ksize(const void *block)
+ {
+@@ -499,10 +588,11 @@ size_t ksize(const void *block)
+ return 0;
+
+ sp = virt_to_page(block);
+- if (PageSlab(sp)) {
++ VM_BUG_ON(!PageSlab(sp));
++ if (!sp->private) {
+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
+- unsigned int *m = (unsigned int *)(block - align);
+- return SLOB_UNITS(*m) * SLOB_UNIT;
++ slob_t *m = (slob_t *)(block - align);
++ return SLOB_UNITS(m[0].units) * SLOB_UNIT;
+ } else
+ return sp->private;
+ }
+@@ -513,8 +603,13 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
+ {
+ struct kmem_cache *c;
+
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ c = __kmalloc_node_align(sizeof(struct kmem_cache),
++ GFP_KERNEL, -1, ARCH_KMALLOC_MINALIGN);
++#else
+ c = slob_alloc(sizeof(struct kmem_cache),
+ GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
++#endif
+
+ if (c) {
+ c->name = name;
+@@ -549,23 +644,33 @@ EXPORT_SYMBOL(kmem_cache_destroy);
+
+ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
+ {
+- void *b;
++ void *b = NULL;
+
+ flags &= gfp_allowed_mask;
+
+ lockdep_trace_alloc(flags);
+
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ b = __kmalloc_node_align(c->size, flags, node, c->align);
++#else
+ if (c->size < PAGE_SIZE) {
+ b = slob_alloc(c->size, flags, c->align, node);
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ SLOB_UNITS(c->size) * SLOB_UNIT,
+ flags, node);
+ } else {
+- b = slob_new_pages(flags, get_order(c->size), node);
++ struct page *sp;
++
++ sp = slob_new_pages(flags, get_order(c->size), node);
++ if (sp) {
++ b = page_address(sp);
++ sp->private = c->size;
++ }
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ PAGE_SIZE << get_order(c->size),
+ flags, node);
+ }
++#endif
+
+ if (c->ctor)
+ c->ctor(b);
+@@ -577,10 +682,14 @@ EXPORT_SYMBOL(kmem_cache_alloc_node);
+
+ static void __kmem_cache_free(void *b, int size)
+ {
+- if (size < PAGE_SIZE)
++ struct page *sp;
++
++ sp = virt_to_page(b);
++ BUG_ON(!PageSlab(sp));
++ if (!sp->private)
+ slob_free(b, size);
+ else
+- slob_free_pages(b, get_order(size));
++ slob_free_pages(sp, get_order(size));
+ }
+
+ static void kmem_rcu_free(struct rcu_head *head)
+@@ -593,17 +702,31 @@ static void kmem_rcu_free(struct rcu_head *head)
+
+ void kmem_cache_free(struct kmem_cache *c, void *b)
+ {
++ int size = c->size;
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ if (size + c->align < PAGE_SIZE) {
++ size += c->align;
++ b -= c->align;
++ }
++#endif
++
+ kmemleak_free_recursive(b, c->flags);
+ if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) {
+ struct slob_rcu *slob_rcu;
+- slob_rcu = b + (c->size - sizeof(struct slob_rcu));
+- slob_rcu->size = c->size;
++ slob_rcu = b + (size - sizeof(struct slob_rcu));
++ slob_rcu->size = size;
+ call_rcu(&slob_rcu->head, kmem_rcu_free);
+ } else {
+- __kmem_cache_free(b, c->size);
++ __kmem_cache_free(b, size);
+ }
+
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ trace_kfree(_RET_IP_, b);
++#else
+ trace_kmem_cache_free(_RET_IP_, b);
++#endif
++
+ }
+ EXPORT_SYMBOL(kmem_cache_free);
+
+diff --git a/mm/slub.c b/mm/slub.c
+index 2fdd96f..1e2f893 100644
+--- a/mm/slub.c
++++ b/mm/slub.c
+@@ -201,7 +201,7 @@ struct track {
+
+ enum track_item { TRACK_ALLOC, TRACK_FREE };
+
+-#ifdef CONFIG_SYSFS
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ static int sysfs_slab_add(struct kmem_cache *);
+ static int sysfs_slab_alias(struct kmem_cache *, const char *);
+ static void sysfs_slab_remove(struct kmem_cache *);
+@@ -525,7 +525,7 @@ static void print_track(const char *s, struct track *t)
+ if (!t->addr)
+ return;
+
+- printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n",
++ printk(KERN_ERR "INFO: %s in %pA age=%lu cpu=%u pid=%d\n",
+ s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid);
+ #ifdef CONFIG_STACKTRACE
+ {
+@@ -2612,6 +2612,8 @@ void kmem_cache_free(struct kmem_cache *s, void *x)
+
+ page = virt_to_head_page(x);
+
++ BUG_ON(!PageSlab(page));
++
+ slab_free(s, page, x, _RET_IP_);
+
+ trace_kmem_cache_free(_RET_IP_, x);
+@@ -2645,7 +2647,7 @@ static int slub_min_objects;
+ * Merge control. If this is set then no merging of slab caches will occur.
+ * (Could be removed. This was introduced to pacify the merge skeptics.)
+ */
+-static int slub_nomerge;
++static int slub_nomerge = 1;
+
+ /*
+ * Calculate the order of allocation given an slab object size.
+@@ -3098,7 +3100,7 @@ static int kmem_cache_open(struct kmem_cache *s,
+ else
+ s->cpu_partial = 30;
+
+- s->refcount = 1;
++ atomic_set(&s->refcount, 1);
+ #ifdef CONFIG_NUMA
+ s->remote_node_defrag_ratio = 1000;
+ #endif
+@@ -3202,8 +3204,7 @@ static inline int kmem_cache_close(struct kmem_cache *s)
+ void kmem_cache_destroy(struct kmem_cache *s)
+ {
+ mutex_lock(&slab_mutex);
+- s->refcount--;
+- if (!s->refcount) {
++ if (atomic_dec_and_test(&s->refcount)) {
+ list_del(&s->list);
+ mutex_unlock(&slab_mutex);
+ if (kmem_cache_close(s)) {
+@@ -3232,6 +3233,10 @@ static struct kmem_cache *kmem_cache;
+ static struct kmem_cache *kmalloc_dma_caches[SLUB_PAGE_SHIFT];
+ #endif
+
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++static struct kmem_cache *kmalloc_usercopy_caches[SLUB_PAGE_SHIFT];
++#endif
++
+ static int __init setup_slub_min_order(char *str)
+ {
+ get_option(&str, &slub_min_order);
+@@ -3346,6 +3351,13 @@ static struct kmem_cache *get_slab(size_t size, gfp_t flags)
+ return kmalloc_dma_caches[index];
+
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ if (flags & SLAB_USERCOPY)
++ return kmalloc_usercopy_caches[index];
++
++#endif
++
+ return kmalloc_caches[index];
+ }
+
+@@ -3414,6 +3426,59 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
+ EXPORT_SYMBOL(__kmalloc_node);
+ #endif
+
++bool is_usercopy_object(const void *ptr)
++{
++ struct page *page;
++ struct kmem_cache *s;
++
++ if (ZERO_OR_NULL_PTR(ptr))
++ return false;
++
++ if (!slab_is_available())
++ return false;
++
++ if (!virt_addr_valid(ptr))
++ return false;
++
++ page = virt_to_head_page(ptr);
++
++ if (!PageSlab(page))
++ return false;
++
++ s = page->slab;
++ return s->flags & SLAB_USERCOPY;
++}
++
++#ifdef CONFIG_PAX_USERCOPY
++const char *check_heap_object(const void *ptr, unsigned long n, bool to)
++{
++ struct page *page;
++ struct kmem_cache *s;
++ unsigned long offset;
++
++ if (ZERO_OR_NULL_PTR(ptr))
++ return "<null>";
++
++ if (!virt_addr_valid(ptr))
++ return NULL;
++
++ page = virt_to_head_page(ptr);
++
++ if (!PageSlab(page))
++ return NULL;
++
++ s = page->slab;
++ if (!(s->flags & SLAB_USERCOPY))
++ return s->name;
++
++ offset = (ptr - page_address(page)) % s->size;
++ if (offset <= s->object_size && n <= s->object_size - offset)
++ return NULL;
++
++ return s->name;
++}
++#endif
++
+ size_t ksize(const void *object)
+ {
+ struct page *page;
+@@ -3688,7 +3753,7 @@ static void __init kmem_cache_bootstrap_fixup(struct kmem_cache *s)
+ int node;
+
+ list_add(&s->list, &slab_caches);
+- s->refcount = -1;
++ atomic_set(&s->refcount, -1);
+
+ for_each_node_state(node, N_NORMAL_MEMORY) {
+ struct kmem_cache_node *n = get_node(s, node);
+@@ -3808,17 +3873,17 @@ void __init kmem_cache_init(void)
+
+ /* Caches that are not of the two-to-the-power-of size */
+ if (KMALLOC_MIN_SIZE <= 32) {
+- kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, 0);
++ kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, SLAB_USERCOPY);
+ caches++;
+ }
+
+ if (KMALLOC_MIN_SIZE <= 64) {
+- kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, 0);
++ kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, SLAB_USERCOPY);
+ caches++;
+ }
+
+ for (i = KMALLOC_SHIFT_LOW; i < SLUB_PAGE_SHIFT; i++) {
+- kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, 0);
++ kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, SLAB_USERCOPY);
+ caches++;
+ }
+
+@@ -3860,6 +3925,22 @@ void __init kmem_cache_init(void)
+ }
+ }
+ #endif
++
++#ifdef CONFIG_PAX_USERCOPY_SLABS
++ for (i = 0; i < SLUB_PAGE_SHIFT; i++) {
++ struct kmem_cache *s = kmalloc_caches[i];
++
++ if (s && s->size) {
++ char *name = kasprintf(GFP_NOWAIT,
++ "usercopy-kmalloc-%d", s->object_size);
++
++ BUG_ON(!name);
++ kmalloc_usercopy_caches[i] = create_kmalloc_cache(name,
++ s->object_size, SLAB_USERCOPY);
++ }
++ }
++#endif
++
+ printk(KERN_INFO
+ "SLUB: Genslabs=%d, HWalign=%d, Order=%d-%d, MinObjects=%d,"
+ " CPUs=%d, Nodes=%d\n",
+@@ -3886,7 +3967,7 @@ static int slab_unmergeable(struct kmem_cache *s)
+ /*
+ * We may have set a slab to be unmergeable during bootstrap.
+ */
+- if (s->refcount < 0)
++ if (atomic_read(&s->refcount) < 0)
+ return 1;
+
+ return 0;
+@@ -3941,7 +4022,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
+
+ s = find_mergeable(size, align, flags, name, ctor);
+ if (s) {
+- s->refcount++;
++ atomic_inc(&s->refcount);
+ /*
+ * Adjust the object sizes so that we clear
+ * the complete object on kzalloc.
+@@ -3950,7 +4031,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
+ s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *)));
+
+ if (sysfs_slab_alias(s, name)) {
+- s->refcount--;
++ atomic_dec(&s->refcount);
+ return NULL;
+ }
+ return s;
+@@ -4072,7 +4153,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
+ }
+ #endif
+
+-#ifdef CONFIG_SYSFS
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ static int count_inuse(struct page *page)
+ {
+ return page->inuse;
+@@ -4459,12 +4540,12 @@ static void resiliency_test(void)
+ validate_slab_cache(kmalloc_caches[9]);
+ }
+ #else
+-#ifdef CONFIG_SYSFS
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ static void resiliency_test(void) {};
+ #endif
+ #endif
+
+-#ifdef CONFIG_SYSFS
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ enum slab_stat_type {
+ SL_ALL, /* All slabs */
+ SL_PARTIAL, /* Only partially allocated slabs */
+@@ -4708,7 +4789,7 @@ SLAB_ATTR_RO(ctor);
+
+ static ssize_t aliases_show(struct kmem_cache *s, char *buf)
+ {
+- return sprintf(buf, "%d\n", s->refcount - 1);
++ return sprintf(buf, "%d\n", atomic_read(&s->refcount) - 1);
+ }
+ SLAB_ATTR_RO(aliases);
+
+@@ -5279,6 +5360,7 @@ static char *create_unique_id(struct kmem_cache *s)
+ return name;
+ }
+
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ static int sysfs_slab_add(struct kmem_cache *s)
+ {
+ int err;
+@@ -5341,6 +5423,7 @@ static void sysfs_slab_remove(struct kmem_cache *s)
+ kobject_del(&s->kobj);
+ kobject_put(&s->kobj);
+ }
++#endif
+
+ /*
+ * Need to buffer aliases during bootup until sysfs becomes
+@@ -5354,6 +5437,7 @@ struct saved_alias {
+
+ static struct saved_alias *alias_list;
+
++#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
+ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
+ {
+ struct saved_alias *al;
+@@ -5376,6 +5460,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
+ alias_list = al;
+ return 0;
+ }
++#endif
+
+ static int __init slab_sysfs_init(void)
+ {
+diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
+index 1b7e22a..3fcd4f3 100644
+--- a/mm/sparse-vmemmap.c
++++ b/mm/sparse-vmemmap.c
+@@ -128,7 +128,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
+ void *p = vmemmap_alloc_block(PAGE_SIZE, node);
+ if (!p)
+ return NULL;
+- pud_populate(&init_mm, pud, p);
++ pud_populate_kernel(&init_mm, pud, p);
+ }
+ return pud;
+ }
+@@ -140,7 +140,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
+ void *p = vmemmap_alloc_block(PAGE_SIZE, node);
+ if (!p)
+ return NULL;
+- pgd_populate(&init_mm, pgd, p);
++ pgd_populate_kernel(&init_mm, pgd, p);
+ }
+ return pgd;
+ }
+diff --git a/mm/swap.c b/mm/swap.c
+index 7782588..228c784 100644
+--- a/mm/swap.c
++++ b/mm/swap.c
+@@ -30,6 +30,7 @@
+ #include <linux/backing-dev.h>
+ #include <linux/memcontrol.h>
+ #include <linux/gfp.h>
++#include <linux/hugetlb.h>
+
+ #include "internal.h"
+
+@@ -72,6 +73,8 @@ static void __put_compound_page(struct page *page)
+
+ __page_cache_release(page);
+ dtor = get_compound_page_dtor(page);
++ if (!PageHuge(page))
++ BUG_ON(dtor != free_compound_page);
+ (*dtor)(page);
+ }
+
+diff --git a/mm/swapfile.c b/mm/swapfile.c
+index 14e254c..a6af32c 100644
+--- a/mm/swapfile.c
++++ b/mm/swapfile.c
+@@ -64,7 +64,7 @@ static DEFINE_MUTEX(swapon_mutex);
+
+ static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait);
+ /* Activity counter to indicate that a swapon or swapoff has occurred */
+-static atomic_t proc_poll_event = ATOMIC_INIT(0);
++static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0);
+
+ static inline unsigned char swap_count(unsigned char ent)
+ {
+@@ -1603,7 +1603,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
+ }
+ filp_close(swap_file, NULL);
+ err = 0;
+- atomic_inc(&proc_poll_event);
++ atomic_inc_unchecked(&proc_poll_event);
+ wake_up_interruptible(&proc_poll_wait);
+
+ out_dput:
+@@ -1619,8 +1619,8 @@ static unsigned swaps_poll(struct file *file, poll_table *wait)
+
+ poll_wait(file, &proc_poll_wait, wait);
+
+- if (seq->poll_event != atomic_read(&proc_poll_event)) {
+- seq->poll_event = atomic_read(&proc_poll_event);
++ if (seq->poll_event != atomic_read_unchecked(&proc_poll_event)) {
++ seq->poll_event = atomic_read_unchecked(&proc_poll_event);
+ return POLLIN | POLLRDNORM | POLLERR | POLLPRI;
+ }
+
+@@ -1718,7 +1718,7 @@ static int swaps_open(struct inode *inode, struct file *file)
+ return ret;
+
+ seq = file->private_data;
+- seq->poll_event = atomic_read(&proc_poll_event);
++ seq->poll_event = atomic_read_unchecked(&proc_poll_event);
+ return 0;
+ }
+
+@@ -2060,7 +2060,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
+ (frontswap_map) ? "FS" : "");
+
+ mutex_unlock(&swapon_mutex);
+- atomic_inc(&proc_poll_event);
++ atomic_inc_unchecked(&proc_poll_event);
+ wake_up_interruptible(&proc_poll_wait);
+
+ if (S_ISREG(inode->i_mode))
+diff --git a/mm/util.c b/mm/util.c
+index 8c7265a..c96d884 100644
+--- a/mm/util.c
++++ b/mm/util.c
+@@ -285,6 +285,12 @@ done:
+ void arch_pick_mmap_layout(struct mm_struct *mm)
+ {
+ mm->mmap_base = TASK_UNMAPPED_BASE;
++
++#ifdef CONFIG_PAX_RANDMMAP
++ if (mm->pax_flags & MF_PAX_RANDMMAP)
++ mm->mmap_base += mm->delta_mmap;
++#endif
++
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+ }
+diff --git a/mm/vmalloc.c b/mm/vmalloc.c
+index 2bb90b1..ed47e53 100644
+--- a/mm/vmalloc.c
++++ b/mm/vmalloc.c
+@@ -39,8 +39,19 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
+
+ pte = pte_offset_kernel(pmd, addr);
+ do {
+- pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
+- WARN_ON(!pte_none(ptent) && !pte_present(ptent));
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) {
++ BUG_ON(!pte_exec(*pte));
++ set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC));
++ continue;
++ }
++#endif
++
++ {
++ pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
++ WARN_ON(!pte_none(ptent) && !pte_present(ptent));
++ }
+ } while (pte++, addr += PAGE_SIZE, addr != end);
+ }
+
+@@ -91,6 +102,7 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
+ unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ {
+ pte_t *pte;
++ int ret = -ENOMEM;
+
+ /*
+ * nr is a running index into the array which helps higher level
+@@ -100,17 +112,30 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
+ pte = pte_alloc_kernel(pmd, addr);
+ if (!pte)
+ return -ENOMEM;
++
++ pax_open_kernel();
+ do {
+ struct page *page = pages[*nr];
+
+- if (WARN_ON(!pte_none(*pte)))
+- return -EBUSY;
+- if (WARN_ON(!page))
+- return -ENOMEM;
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (pgprot_val(prot) & _PAGE_NX)
++#endif
++
++ if (WARN_ON(!pte_none(*pte))) {
++ ret = -EBUSY;
++ goto out;
++ }
++ if (WARN_ON(!page)) {
++ ret = -ENOMEM;
++ goto out;
++ }
+ set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
+ (*nr)++;
+ } while (pte++, addr += PAGE_SIZE, addr != end);
+- return 0;
++ ret = 0;
++out:
++ pax_close_kernel();
++ return ret;
+ }
+
+ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
+@@ -119,7 +144,7 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
+ pmd_t *pmd;
+ unsigned long next;
+
+- pmd = pmd_alloc(&init_mm, pud, addr);
++ pmd = pmd_alloc_kernel(&init_mm, pud, addr);
+ if (!pmd)
+ return -ENOMEM;
+ do {
+@@ -136,7 +161,7 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
+ pud_t *pud;
+ unsigned long next;
+
+- pud = pud_alloc(&init_mm, pgd, addr);
++ pud = pud_alloc_kernel(&init_mm, pgd, addr);
+ if (!pud)
+ return -ENOMEM;
+ do {
+@@ -191,11 +216,20 @@ int is_vmalloc_or_module_addr(const void *x)
+ * and fall back on vmalloc() if that fails. Others
+ * just put it in the vmalloc space.
+ */
+-#if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
++#ifdef CONFIG_MODULES
++#ifdef MODULES_VADDR
+ unsigned long addr = (unsigned long)x;
+ if (addr >= MODULES_VADDR && addr < MODULES_END)
+ return 1;
+ #endif
++
++#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
++ if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END)
++ return 1;
++#endif
++
++#endif
++
+ return is_vmalloc_addr(x);
+ }
+
+@@ -216,8 +250,14 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
+
+ if (!pgd_none(*pgd)) {
+ pud_t *pud = pud_offset(pgd, addr);
++#ifdef CONFIG_X86
++ if (!pud_large(*pud))
++#endif
+ if (!pud_none(*pud)) {
+ pmd_t *pmd = pmd_offset(pud, addr);
++#ifdef CONFIG_X86
++ if (!pmd_large(*pmd))
++#endif
+ if (!pmd_none(*pmd)) {
+ pte_t *ptep, pte;
+
+@@ -329,7 +369,7 @@ static void purge_vmap_area_lazy(void);
+ * Allocate a region of KVA of the specified size and alignment, within the
+ * vstart and vend.
+ */
+-static struct vmap_area *alloc_vmap_area(unsigned long size,
++static __size_overflow(1) struct vmap_area *alloc_vmap_area(unsigned long size,
+ unsigned long align,
+ unsigned long vstart, unsigned long vend,
+ int node, gfp_t gfp_mask)
+@@ -1328,6 +1368,16 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
+ struct vm_struct *area;
+
+ BUG_ON(in_interrupt());
++
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
++ if (flags & VM_KERNEXEC) {
++ if (start != VMALLOC_START || end != VMALLOC_END)
++ return NULL;
++ start = (unsigned long)MODULES_EXEC_VADDR;
++ end = (unsigned long)MODULES_EXEC_END;
++ }
++#endif
++
+ if (flags & VM_IOREMAP) {
+ int bit = fls(size);
+
+@@ -1568,6 +1618,11 @@ void *vmap(struct page **pages, unsigned int count,
+ if (count > totalram_pages)
+ return NULL;
+
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
++ if (!(pgprot_val(prot) & _PAGE_NX))
++ flags |= VM_KERNEXEC;
++#endif
++
+ area = get_vm_area_caller((count << PAGE_SHIFT), flags,
+ __builtin_return_address(0));
+ if (!area)
+@@ -1669,6 +1724,13 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
+ if (!size || (size >> PAGE_SHIFT) > totalram_pages)
+ goto fail;
+
++#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
++ if (!(pgprot_val(prot) & _PAGE_NX))
++ area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST | VM_KERNEXEC,
++ VMALLOC_START, VMALLOC_END, node, gfp_mask, caller);
++ else
++#endif
++
+ area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST,
+ start, end, node, gfp_mask, caller);
+ if (!area)
+@@ -1842,10 +1904,9 @@ EXPORT_SYMBOL(vzalloc_node);
+ * For tight control over page level allocator and protection flags
+ * use __vmalloc() instead.
+ */
+-
+ void *vmalloc_exec(unsigned long size)
+ {
+- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
++ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC,
+ -1, __builtin_return_address(0));
+ }
+
+@@ -2136,6 +2197,8 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
+ unsigned long uaddr = vma->vm_start;
+ unsigned long usize = vma->vm_end - vma->vm_start;
+
++ BUG_ON(vma->vm_mirror);
++
+ if ((PAGE_SIZE-1) & (unsigned long)addr)
+ return -EINVAL;
+
+@@ -2572,7 +2635,7 @@ static int s_show(struct seq_file *m, void *p)
+ {
+ struct vm_struct *v = p;
+
+- seq_printf(m, "0x%p-0x%p %7ld",
++ seq_printf(m, "0x%pK-0x%pK %7ld",
+ v->addr, v->addr + v->size, v->size);
+
+ if (v->caller)
+diff --git a/mm/vmstat.c b/mm/vmstat.c
+index df7a674..8b4a4f3 100644
+--- a/mm/vmstat.c
++++ b/mm/vmstat.c
+@@ -78,7 +78,7 @@ void vm_events_fold_cpu(int cpu)
+ *
+ * vm_stat contains the global counters
+ */
+-atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
++atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
+ EXPORT_SYMBOL(vm_stat);
+
+ #ifdef CONFIG_SMP
+@@ -454,7 +454,7 @@ void refresh_cpu_vm_stats(int cpu)
+ v = p->vm_stat_diff[i];
+ p->vm_stat_diff[i] = 0;
+ local_irq_restore(flags);
+- atomic_long_add(v, &zone->vm_stat[i]);
++ atomic_long_add_unchecked(v, &zone->vm_stat[i]);
+ global_diff[i] += v;
+ #ifdef CONFIG_NUMA
+ /* 3 seconds idle till flush */
+@@ -492,7 +492,7 @@ void refresh_cpu_vm_stats(int cpu)
+
+ for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+ if (global_diff[i])
+- atomic_long_add(global_diff[i], &vm_stat[i]);
++ atomic_long_add_unchecked(global_diff[i], &vm_stat[i]);
+ }
+
+ #endif
+@@ -1212,10 +1212,20 @@ static int __init setup_vmstat(void)
+ start_cpu_timer(cpu);
+ #endif
+ #ifdef CONFIG_PROC_FS
+- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
+- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
+- proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
+- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
++ {
++ mode_t gr_mode = S_IRUGO;
++#ifdef CONFIG_GRKERNSEC_PROC_ADD
++ gr_mode = S_IRUSR;
++#endif
++ proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations);
++ proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops);
++#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
++ proc_create("vmstat", gr_mode | S_IRGRP, NULL, &proc_vmstat_file_operations);
++#else
++ proc_create("vmstat", gr_mode, NULL, &proc_vmstat_file_operations);
++#endif
++ proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations);
++ }
+ #endif
+ return 0;
+ }
+diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
+index 9096bcb..43ed7bb 100644
+--- a/net/8021q/vlan.c
++++ b/net/8021q/vlan.c
+@@ -557,8 +557,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg)
+ err = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ break;
+- if ((args.u.name_type >= 0) &&
+- (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) {
++ if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) {
+ struct vlan_net *vn;
+
+ vn = net_generic(net, vlan_net_id);
+diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
+index 6449bae..8c1f454 100644
+--- a/net/9p/trans_fd.c
++++ b/net/9p/trans_fd.c
+@@ -425,7 +425,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len)
+ oldfs = get_fs();
+ set_fs(get_ds());
+ /* The cast to a user pointer is valid due to the set_fs() */
+- ret = vfs_write(ts->wr, (__force void __user *)v, len, &ts->wr->f_pos);
++ ret = vfs_write(ts->wr, (void __force_user *)v, len, &ts->wr->f_pos);
+ set_fs(oldfs);
+
+ if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
+diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
+index 876fbe8..8bbea9f 100644
+--- a/net/atm/atm_misc.c
++++ b/net/atm/atm_misc.c
+@@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int truesize)
+ if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf)
+ return 1;
+ atm_return(vcc, truesize);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ return 0;
+ }
+ EXPORT_SYMBOL(atm_charge);
+@@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc, int pdu_size,
+ }
+ }
+ atm_return(vcc, guess);
+- atomic_inc(&vcc->stats->rx_drop);
++ atomic_inc_unchecked(&vcc->stats->rx_drop);
+ return NULL;
+ }
+ EXPORT_SYMBOL(atm_alloc_charge);
+@@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal);
+
+ void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to)
+ {
+-#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
++#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
+ __SONET_ITEMS
+ #undef __HANDLE_ITEM
+ }
+@@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats);
+
+ void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to)
+ {
+-#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
++#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i)
+ __SONET_ITEMS
+ #undef __HANDLE_ITEM
+ }
+diff --git a/net/atm/lec.h b/net/atm/lec.h
+index a86aff9..3a0d6f6 100644
+--- a/net/atm/lec.h
++++ b/net/atm/lec.h
+@@ -48,7 +48,7 @@ struct lane2_ops {
+ const u8 *tlvs, u32 sizeoftlvs);
+ void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr,
+ const u8 *tlvs, u32 sizeoftlvs);
+-};
++} __no_const;
+
+ /*
+ * ATM LAN Emulation supports both LLC & Dix Ethernet EtherType
+diff --git a/net/atm/mpc.h b/net/atm/mpc.h
+index 0919a88..a23d54e 100644
+--- a/net/atm/mpc.h
++++ b/net/atm/mpc.h
+@@ -33,7 +33,7 @@ struct mpoa_client {
+ struct mpc_parameters parameters; /* parameters for this client */
+
+ const struct net_device_ops *old_ops;
+- struct net_device_ops new_ops;
++ net_device_ops_no_const new_ops;
+ };
+
+
+diff --git a/net/atm/proc.c b/net/atm/proc.c
+index 0d020de..011c7bb 100644
+--- a/net/atm/proc.c
++++ b/net/atm/proc.c
+@@ -45,9 +45,9 @@ static void add_stats(struct seq_file *seq, const char *aal,
+ const struct k_atm_aal_stats *stats)
+ {
+ seq_printf(seq, "%s ( %d %d %d %d %d )", aal,
+- atomic_read(&stats->tx), atomic_read(&stats->tx_err),
+- atomic_read(&stats->rx), atomic_read(&stats->rx_err),
+- atomic_read(&stats->rx_drop));
++ atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err),
++ atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err),
++ atomic_read_unchecked(&stats->rx_drop));
+ }
+
+ static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev)
+diff --git a/net/atm/resources.c b/net/atm/resources.c
+index 23f45ce..c748f1a 100644
+--- a/net/atm/resources.c
++++ b/net/atm/resources.c
+@@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister);
+ static void copy_aal_stats(struct k_atm_aal_stats *from,
+ struct atm_aal_stats *to)
+ {
+-#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
++#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
+ __AAL_STAT_ITEMS
+ #undef __HANDLE_ITEM
+ }
+@@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_aal_stats *from,
+ static void subtract_aal_stats(struct k_atm_aal_stats *from,
+ struct atm_aal_stats *to)
+ {
+-#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
++#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i)
+ __AAL_STAT_ITEMS
+ #undef __HANDLE_ITEM
+ }
+diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
+index 469daab..262851c 100644
+--- a/net/batman-adv/bat_iv_ogm.c
++++ b/net/batman-adv/bat_iv_ogm.c
+@@ -62,7 +62,7 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
+
+ /* randomize initial seqno to avoid collision */
+ get_random_bytes(&random_seqno, sizeof(random_seqno));
+- atomic_set(&hard_iface->seqno, random_seqno);
++ atomic_set_unchecked(&hard_iface->seqno, random_seqno);
+
+ hard_iface->packet_len = BATADV_OGM_HLEN;
+ hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
+@@ -600,8 +600,8 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
+
+ /* change sequence number to network order */
+ batadv_ogm_packet->seqno =
+- htonl((uint32_t)atomic_read(&hard_iface->seqno));
+- atomic_inc(&hard_iface->seqno);
++ htonl((uint32_t)atomic_read_unchecked(&hard_iface->seqno));
++ atomic_inc_unchecked(&hard_iface->seqno);
+
+ batadv_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
+ batadv_ogm_packet->tt_crc = htons(bat_priv->tt_crc);
+@@ -1001,7 +1001,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
+ return;
+
+ /* could be changed by schedule_own_packet() */
+- if_incoming_seqno = atomic_read(&if_incoming->seqno);
++ if_incoming_seqno = atomic_read_unchecked(&if_incoming->seqno);
+
+ if (batadv_ogm_packet->flags & BATADV_DIRECTLINK)
+ has_directlink_flag = 1;
+diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
+index 282bf6e..4b2603d 100644
+--- a/net/batman-adv/hard-interface.c
++++ b/net/batman-adv/hard-interface.c
+@@ -320,7 +320,7 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
+ hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;
+ dev_add_pack(&hard_iface->batman_adv_ptype);
+
+- atomic_set(&hard_iface->frag_seqno, 1);
++ atomic_set_unchecked(&hard_iface->frag_seqno, 1);
+ batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",
+ hard_iface->net_dev->name);
+
+@@ -443,7 +443,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
+ /* This can't be called via a bat_priv callback because
+ * we have no bat_priv yet.
+ */
+- atomic_set(&hard_iface->seqno, 1);
++ atomic_set_unchecked(&hard_iface->seqno, 1);
+ hard_iface->packet_buff = NULL;
+
+ return hard_iface;
+diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
+index 21c5357..768be1a 100644
+--- a/net/batman-adv/soft-interface.c
++++ b/net/batman-adv/soft-interface.c
+@@ -227,7 +227,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
+
+ /* set broadcast sequence number */
+ bcast_packet->seqno =
+- htonl(atomic_inc_return(&bat_priv->bcast_seqno));
++ htonl(atomic_inc_return_unchecked(&bat_priv->bcast_seqno));
+
+ batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
+
+@@ -407,7 +407,7 @@ struct net_device *batadv_softif_create(const char *name)
+ atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN);
+
+ atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
+- atomic_set(&bat_priv->bcast_seqno, 1);
++ atomic_set_unchecked(&bat_priv->bcast_seqno, 1);
+ atomic_set(&bat_priv->ttvn, 0);
+ atomic_set(&bat_priv->tt_local_changes, 0);
+ atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
+index 12635fd..d99d837 100644
+--- a/net/batman-adv/types.h
++++ b/net/batman-adv/types.h
+@@ -33,8 +33,8 @@ struct batadv_hard_iface {
+ int16_t if_num;
+ char if_status;
+ struct net_device *net_dev;
+- atomic_t seqno;
+- atomic_t frag_seqno;
++ atomic_unchecked_t seqno;
++ atomic_unchecked_t frag_seqno;
+ unsigned char *packet_buff;
+ int packet_len;
+ struct kobject *hardif_obj;
+@@ -176,7 +176,7 @@ struct batadv_priv {
+ atomic_t orig_interval; /* uint */
+ atomic_t hop_penalty; /* uint */
+ atomic_t log_level; /* uint */
+- atomic_t bcast_seqno;
++ atomic_unchecked_t bcast_seqno;
+ atomic_t bcast_queue_left;
+ atomic_t batman_queue_left;
+ atomic_t ttvn; /* translation table version number */
+diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
+index 0016464..0ef3e53 100644
+--- a/net/batman-adv/unicast.c
++++ b/net/batman-adv/unicast.c
+@@ -269,7 +269,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
+ frag1->flags = BATADV_UNI_FRAG_HEAD | large_tail;
+ frag2->flags = large_tail;
+
+- seqno = atomic_add_return(2, &hard_iface->frag_seqno);
++ seqno = atomic_add_return_unchecked(2, &hard_iface->frag_seqno);
+ frag1->seqno = htons(seqno - 1);
+ frag2->seqno = htons(seqno);
+
+diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
+index d5ace1e..231c4bf 100644
+--- a/net/bluetooth/hci_sock.c
++++ b/net/bluetooth/hci_sock.c
+@@ -934,7 +934,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname,
+ uf.event_mask[1] = *((u32 *) f->event_mask + 1);
+ }
+
+- len = min_t(unsigned int, len, sizeof(uf));
++ len = min((size_t)len, sizeof(uf));
+ if (copy_from_user(&uf, optval, len)) {
+ err = -EFAULT;
+ break;
+diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
+index 38c00f1..e9d566e 100644
+--- a/net/bluetooth/l2cap_core.c
++++ b/net/bluetooth/l2cap_core.c
+@@ -3165,8 +3165,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
+ break;
+
+ case L2CAP_CONF_RFC:
+- if (olen == sizeof(rfc))
+- memcpy(&rfc, (void *)val, olen);
++ if (olen != sizeof(rfc))
++ break;
++
++ memcpy(&rfc, (void *)val, olen);
+
+ if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
+ rfc.mode != chan->mode)
+diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
+index 34bbe1c..451c19b 100644
+--- a/net/bluetooth/l2cap_sock.c
++++ b/net/bluetooth/l2cap_sock.c
+@@ -467,7 +467,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
+ struct sock *sk = sock->sk;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ struct l2cap_options opts;
+- int len, err = 0;
++ int err = 0;
++ size_t len = optlen;
+ u32 opt;
+
+ BT_DBG("sk %p", sk);
+@@ -489,7 +490,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
+ opts.max_tx = chan->max_tx;
+ opts.txwin_size = chan->tx_win;
+
+- len = min_t(unsigned int, sizeof(opts), optlen);
++ len = min(sizeof(opts), len);
+ if (copy_from_user((char *) &opts, optval, len)) {
+ err = -EFAULT;
+ break;
+@@ -567,7 +568,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
+ struct bt_security sec;
+ struct bt_power pwr;
+ struct l2cap_conn *conn;
+- int len, err = 0;
++ int err = 0;
++ size_t len = optlen;
+ u32 opt;
+
+ BT_DBG("sk %p", sk);
+@@ -590,7 +592,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
+
+ sec.level = BT_SECURITY_LOW;
+
+- len = min_t(unsigned int, sizeof(sec), optlen);
++ len = min(sizeof(sec), len);
+ if (copy_from_user((char *) &sec, optval, len)) {
+ err = -EFAULT;
+ break;
+@@ -687,7 +689,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
+
+ pwr.force_active = BT_POWER_FORCE_ACTIVE_ON;
+
+- len = min_t(unsigned int, sizeof(pwr), optlen);
++ len = min(sizeof(pwr), len);
+ if (copy_from_user((char *) &pwr, optval, len)) {
+ err = -EFAULT;
+ break;
+diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
+index 1a17850..65a3129 100644
+--- a/net/bluetooth/rfcomm/sock.c
++++ b/net/bluetooth/rfcomm/sock.c
+@@ -667,7 +667,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
+ struct sock *sk = sock->sk;
+ struct bt_security sec;
+ int err = 0;
+- size_t len;
++ size_t len = optlen;
+ u32 opt;
+
+ BT_DBG("sk %p", sk);
+@@ -689,7 +689,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
+
+ sec.level = BT_SECURITY_LOW;
+
+- len = min_t(unsigned int, sizeof(sec), optlen);
++ len = min(sizeof(sec), len);
+ if (copy_from_user((char *) &sec, optval, len)) {
+ err = -EFAULT;
+ break;
+diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
+index 56f1823..da44330 100644
+--- a/net/bluetooth/rfcomm/tty.c
++++ b/net/bluetooth/rfcomm/tty.c
+@@ -309,7 +309,7 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev)
+ BUG_ON(test_and_set_bit(RFCOMM_TTY_RELEASED, &dev->flags));
+
+ spin_lock_irqsave(&dev->port.lock, flags);
+- if (dev->port.count > 0) {
++ if (atomic_read(&dev->port.count) > 0) {
+ spin_unlock_irqrestore(&dev->port.lock, flags);
+ return;
+ }
+@@ -664,10 +664,10 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
+ return -ENODEV;
+
+ BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst),
+- dev->channel, dev->port.count);
++ dev->channel, atomic_read(&dev->port.count));
+
+ spin_lock_irqsave(&dev->port.lock, flags);
+- if (++dev->port.count > 1) {
++ if (atomic_inc_return(&dev->port.count) > 1) {
+ spin_unlock_irqrestore(&dev->port.lock, flags);
+ return 0;
+ }
+@@ -732,10 +732,10 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
+ return;
+
+ BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,
+- dev->port.count);
++ atomic_read(&dev->port.count));
+
+ spin_lock_irqsave(&dev->port.lock, flags);
+- if (!--dev->port.count) {
++ if (!atomic_dec_return(&dev->port.count)) {
+ spin_unlock_irqrestore(&dev->port.lock, flags);
+ if (dev->tty_dev->parent)
+ device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST);
+diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
+index 5fe2ff3..121d696 100644
+--- a/net/bridge/netfilter/ebtables.c
++++ b/net/bridge/netfilter/ebtables.c
+@@ -1523,7 +1523,7 @@ static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+ tmp.valid_hooks = t->table->valid_hooks;
+ }
+ mutex_unlock(&ebt_mutex);
+- if (copy_to_user(user, &tmp, *len) != 0){
++ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0){
+ BUGPRINT("c2u Didn't work\n");
+ ret = -EFAULT;
+ break;
+@@ -2327,7 +2327,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
+ goto out;
+ tmp.valid_hooks = t->valid_hooks;
+
+- if (copy_to_user(user, &tmp, *len) != 0) {
++ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) {
+ ret = -EFAULT;
+ break;
+ }
+@@ -2338,7 +2338,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
+ tmp.entries_size = t->table->entries_size;
+ tmp.valid_hooks = t->table->valid_hooks;
+
+- if (copy_to_user(user, &tmp, *len) != 0) {
++ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) {
+ ret = -EFAULT;
+ break;
+ }
+diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c
+index 44f270f..1f5602d 100644
+--- a/net/caif/cfctrl.c
++++ b/net/caif/cfctrl.c
+@@ -10,6 +10,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/slab.h>
+ #include <linux/pkt_sched.h>
++#include <linux/sched.h>
+ #include <net/caif/caif_layer.h>
+ #include <net/caif/cfpkt.h>
+ #include <net/caif/cfctrl.h>
+@@ -43,8 +44,8 @@ struct cflayer *cfctrl_create(void)
+ memset(&dev_info, 0, sizeof(dev_info));
+ dev_info.id = 0xff;
+ cfsrvl_init(&this->serv, 0, &dev_info, false);
+- atomic_set(&this->req_seq_no, 1);
+- atomic_set(&this->rsp_seq_no, 1);
++ atomic_set_unchecked(&this->req_seq_no, 1);
++ atomic_set_unchecked(&this->rsp_seq_no, 1);
+ this->serv.layer.receive = cfctrl_recv;
+ sprintf(this->serv.layer.name, "ctrl");
+ this->serv.layer.ctrlcmd = cfctrl_ctrlcmd;
+@@ -130,8 +131,8 @@ static void cfctrl_insert_req(struct cfctrl *ctrl,
+ struct cfctrl_request_info *req)
+ {
+ spin_lock_bh(&ctrl->info_list_lock);
+- atomic_inc(&ctrl->req_seq_no);
+- req->sequence_no = atomic_read(&ctrl->req_seq_no);
++ atomic_inc_unchecked(&ctrl->req_seq_no);
++ req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no);
+ list_add_tail(&req->list, &ctrl->list);
+ spin_unlock_bh(&ctrl->info_list_lock);
+ }
+@@ -149,7 +150,7 @@ static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl,
+ if (p != first)
+ pr_warn("Requests are not received in order\n");
+
+- atomic_set(&ctrl->rsp_seq_no,
++ atomic_set_unchecked(&ctrl->rsp_seq_no,
+ p->sequence_no);
+ list_del(&p->list);
+ goto out;
+diff --git a/net/can/gw.c b/net/can/gw.c
+index b54d5e6..91c3b25 100644
+--- a/net/can/gw.c
++++ b/net/can/gw.c
+@@ -96,7 +96,7 @@ struct cf_mod {
+ struct {
+ void (*xor)(struct can_frame *cf, struct cgw_csum_xor *xor);
+ void (*crc8)(struct can_frame *cf, struct cgw_csum_crc8 *crc8);
+- } csumfunc;
++ } __no_const csumfunc;
+ };
+
+
+diff --git a/net/compat.c b/net/compat.c
+index 74ed1d7..3695bd9 100644
+--- a/net/compat.c
++++ b/net/compat.c
+@@ -71,9 +71,9 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
+ __get_user(kmsg->msg_controllen, &umsg->msg_controllen) ||
+ __get_user(kmsg->msg_flags, &umsg->msg_flags))
+ return -EFAULT;
+- kmsg->msg_name = compat_ptr(tmp1);
+- kmsg->msg_iov = compat_ptr(tmp2);
+- kmsg->msg_control = compat_ptr(tmp3);
++ kmsg->msg_name = (void __force_kernel *)compat_ptr(tmp1);
++ kmsg->msg_iov = (void __force_kernel *)compat_ptr(tmp2);
++ kmsg->msg_control = (void __force_kernel *)compat_ptr(tmp3);
+ return 0;
+ }
+
+@@ -85,7 +85,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
+
+ if (kern_msg->msg_namelen) {
+ if (mode == VERIFY_READ) {
+- int err = move_addr_to_kernel(kern_msg->msg_name,
++ int err = move_addr_to_kernel((void __force_user *)kern_msg->msg_name,
+ kern_msg->msg_namelen,
+ kern_address);
+ if (err < 0)
+@@ -96,7 +96,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
+ kern_msg->msg_name = NULL;
+
+ tot_len = iov_from_user_compat_to_kern(kern_iov,
+- (struct compat_iovec __user *)kern_msg->msg_iov,
++ (struct compat_iovec __force_user *)kern_msg->msg_iov,
+ kern_msg->msg_iovlen);
+ if (tot_len >= 0)
+ kern_msg->msg_iov = kern_iov;
+@@ -116,20 +116,20 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
+
+ #define CMSG_COMPAT_FIRSTHDR(msg) \
+ (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \
+- (struct compat_cmsghdr __user *)((msg)->msg_control) : \
++ (struct compat_cmsghdr __force_user *)((msg)->msg_control) : \
+ (struct compat_cmsghdr __user *)NULL)
+
+ #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \
+ ((ucmlen) >= sizeof(struct compat_cmsghdr) && \
+ (ucmlen) <= (unsigned long) \
+ ((mhdr)->msg_controllen - \
+- ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
++ ((char __force_kernel *)(ucmsg) - (char *)(mhdr)->msg_control)))
+
+ static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg,
+ struct compat_cmsghdr __user *cmsg, int cmsg_len)
+ {
+ char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len);
+- if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) >
++ if ((unsigned long)(ptr + 1 - (char __force_user *)msg->msg_control) >
+ msg->msg_controllen)
+ return NULL;
+ return (struct compat_cmsghdr __user *)ptr;
+@@ -219,7 +219,7 @@ Efault:
+
+ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
+ {
+- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
++ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
+ struct compat_cmsghdr cmhdr;
+ struct compat_timeval ctv;
+ struct compat_timespec cts[3];
+@@ -275,7 +275,7 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
+
+ void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
+ {
+- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
++ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
+ int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int);
+ int fdnum = scm->fp->count;
+ struct file **fp = scm->fp->fp;
+@@ -364,7 +364,7 @@ static int do_set_sock_timeout(struct socket *sock, int level,
+ return -EFAULT;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+- err = sock_setsockopt(sock, level, optname, (char *)&ktime, sizeof(ktime));
++ err = sock_setsockopt(sock, level, optname, (char __force_user *)&ktime, sizeof(ktime));
+ set_fs(old_fs);
+
+ return err;
+@@ -425,7 +425,7 @@ static int do_get_sock_timeout(struct socket *sock, int level, int optname,
+ len = sizeof(ktime);
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+- err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len);
++ err = sock_getsockopt(sock, level, optname, (char __force_user *) &ktime, (int __force_user *)&len);
+ set_fs(old_fs);
+
+ if (!err) {
+@@ -568,7 +568,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
+ case MCAST_JOIN_GROUP:
+ case MCAST_LEAVE_GROUP:
+ {
+- struct compat_group_req __user *gr32 = (void *)optval;
++ struct compat_group_req __user *gr32 = (void __user *)optval;
+ struct group_req __user *kgr =
+ compat_alloc_user_space(sizeof(struct group_req));
+ u32 interface;
+@@ -589,7 +589,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
+ case MCAST_BLOCK_SOURCE:
+ case MCAST_UNBLOCK_SOURCE:
+ {
+- struct compat_group_source_req __user *gsr32 = (void *)optval;
++ struct compat_group_source_req __user *gsr32 = (void __user *)optval;
+ struct group_source_req __user *kgsr = compat_alloc_user_space(
+ sizeof(struct group_source_req));
+ u32 interface;
+@@ -610,7 +610,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
+ }
+ case MCAST_MSFILTER:
+ {
+- struct compat_group_filter __user *gf32 = (void *)optval;
++ struct compat_group_filter __user *gf32 = (void __user *)optval;
+ struct group_filter __user *kgf;
+ u32 interface, fmode, numsrc;
+
+@@ -648,7 +648,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname,
+ char __user *optval, int __user *optlen,
+ int (*getsockopt)(struct sock *, int, int, char __user *, int __user *))
+ {
+- struct compat_group_filter __user *gf32 = (void *)optval;
++ struct compat_group_filter __user *gf32 = (void __user *)optval;
+ struct group_filter __user *kgf;
+ int __user *koptlen;
+ u32 interface, fmode, numsrc;
+@@ -797,7 +797,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
+
+ if (call < SYS_SOCKET || call > SYS_SENDMMSG)
+ return -EINVAL;
+- if (copy_from_user(a, args, nas[call]))
++ if (nas[call] > sizeof a || copy_from_user(a, args, nas[call]))
+ return -EFAULT;
+ a0 = a[0];
+ a1 = a[1];
+diff --git a/net/core/datagram.c b/net/core/datagram.c
+index 0337e2b..47914a0 100644
+--- a/net/core/datagram.c
++++ b/net/core/datagram.c
+@@ -289,7 +289,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
+ }
+
+ kfree_skb(skb);
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ sk_mem_reclaim_partial(sk);
+
+ return err;
+diff --git a/net/core/dev.c b/net/core/dev.c
+index 2fb9f59..d9a07df 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -1138,9 +1138,13 @@ void dev_load(struct net *net, const char *name)
+ if (no_module && capable(CAP_NET_ADMIN))
+ no_module = request_module("netdev-%s", name);
+ if (no_module && capable(CAP_SYS_MODULE)) {
++#ifdef CONFIG_GRKERNSEC_MODHARDEN
++ ___request_module(true, "grsec_modharden_netdev", "%s", name);
++#else
+ if (!request_module("%s", name))
+ pr_warn("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n",
+ name);
++#endif
+ }
+ }
+ EXPORT_SYMBOL(dev_load);
+@@ -1605,7 +1609,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
+ {
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
+- atomic_long_inc(&dev->rx_dropped);
++ atomic_long_inc_unchecked(&dev->rx_dropped);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -1615,7 +1619,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
+ nf_reset(skb);
+
+ if (unlikely(!is_skb_forwardable(dev, skb))) {
+- atomic_long_inc(&dev->rx_dropped);
++ atomic_long_inc_unchecked(&dev->rx_dropped);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -2071,7 +2075,7 @@ static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
+
+ struct dev_gso_cb {
+ void (*destructor)(struct sk_buff *skb);
+-};
++} __no_const;
+
+ #define DEV_GSO_CB(skb) ((struct dev_gso_cb *)(skb)->cb)
+
+@@ -2928,7 +2932,7 @@ enqueue:
+
+ local_irq_restore(flags);
+
+- atomic_long_inc(&skb->dev->rx_dropped);
++ atomic_long_inc_unchecked(&skb->dev->rx_dropped);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -3000,7 +3004,7 @@ int netif_rx_ni(struct sk_buff *skb)
+ }
+ EXPORT_SYMBOL(netif_rx_ni);
+
+-static void net_tx_action(struct softirq_action *h)
++static void net_tx_action(void)
+ {
+ struct softnet_data *sd = &__get_cpu_var(softnet_data);
+
+@@ -3331,7 +3335,7 @@ ncls:
+ ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
+ } else {
+ drop:
+- atomic_long_inc(&skb->dev->rx_dropped);
++ atomic_long_inc_unchecked(&skb->dev->rx_dropped);
+ kfree_skb(skb);
+ /* Jamal, now you will not able to escape explaining
+ * me how you were going to use this. :-)
+@@ -3898,7 +3902,7 @@ void netif_napi_del(struct napi_struct *napi)
+ }
+ EXPORT_SYMBOL(netif_napi_del);
+
+-static void net_rx_action(struct softirq_action *h)
++static void net_rx_action(void)
+ {
+ struct softnet_data *sd = &__get_cpu_var(softnet_data);
+ unsigned long time_limit = jiffies + 2;
+@@ -4368,8 +4372,13 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
+ else
+ seq_printf(seq, "%04x", ntohs(pt->type));
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ seq_printf(seq, " %-8s %p\n",
++ pt->dev ? pt->dev->name : "", NULL);
++#else
+ seq_printf(seq, " %-8s %pF\n",
+ pt->dev ? pt->dev->name : "", pt->func);
++#endif
+ }
+
+ return 0;
+@@ -5922,7 +5931,7 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
+ } else {
+ netdev_stats_to_stats64(storage, &dev->stats);
+ }
+- storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
++ storage->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped);
+ return storage;
+ }
+ EXPORT_SYMBOL(dev_get_stats);
+diff --git a/net/core/flow.c b/net/core/flow.c
+index e318c7e..168b1d0 100644
+--- a/net/core/flow.c
++++ b/net/core/flow.c
+@@ -61,7 +61,7 @@ struct flow_cache {
+ struct timer_list rnd_timer;
+ };
+
+-atomic_t flow_cache_genid = ATOMIC_INIT(0);
++atomic_unchecked_t flow_cache_genid = ATOMIC_INIT(0);
+ EXPORT_SYMBOL(flow_cache_genid);
+ static struct flow_cache flow_cache_global;
+ static struct kmem_cache *flow_cachep __read_mostly;
+@@ -86,7 +86,7 @@ static void flow_cache_new_hashrnd(unsigned long arg)
+
+ static int flow_entry_valid(struct flow_cache_entry *fle)
+ {
+- if (atomic_read(&flow_cache_genid) != fle->genid)
++ if (atomic_read_unchecked(&flow_cache_genid) != fle->genid)
+ return 0;
+ if (fle->object && !fle->object->ops->check(fle->object))
+ return 0;
+@@ -259,7 +259,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
+ hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]);
+ fcp->hash_count++;
+ }
+- } else if (likely(fle->genid == atomic_read(&flow_cache_genid))) {
++ } else if (likely(fle->genid == atomic_read_unchecked(&flow_cache_genid))) {
+ flo = fle->object;
+ if (!flo)
+ goto ret_object;
+@@ -280,7 +280,7 @@ nocache:
+ }
+ flo = resolver(net, key, family, dir, flo, ctx);
+ if (fle) {
+- fle->genid = atomic_read(&flow_cache_genid);
++ fle->genid = atomic_read_unchecked(&flow_cache_genid);
+ if (!IS_ERR(flo))
+ fle->object = flo;
+ else
+diff --git a/net/core/iovec.c b/net/core/iovec.c
+index 7e7aeb0..2a998cb 100644
+--- a/net/core/iovec.c
++++ b/net/core/iovec.c
+@@ -42,7 +42,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
+ if (m->msg_namelen) {
+ if (mode == VERIFY_READ) {
+ void __user *namep;
+- namep = (void __user __force *) m->msg_name;
++ namep = (void __force_user *) m->msg_name;
+ err = move_addr_to_kernel(namep, m->msg_namelen,
+ address);
+ if (err < 0)
+@@ -54,7 +54,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
+ }
+
+ size = m->msg_iovlen * sizeof(struct iovec);
+- if (copy_from_user(iov, (void __user __force *) m->msg_iov, size))
++ if (copy_from_user(iov, (void __force_user *) m->msg_iov, size))
+ return -EFAULT;
+
+ m->msg_iov = iov;
+diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
+index 2c5a0a0..a45f90c 100644
+--- a/net/core/rtnetlink.c
++++ b/net/core/rtnetlink.c
+@@ -58,7 +58,7 @@ struct rtnl_link {
+ rtnl_doit_func doit;
+ rtnl_dumpit_func dumpit;
+ rtnl_calcit_func calcit;
+-};
++} __no_const;
+
+ static DEFINE_MUTEX(rtnl_mutex);
+
+diff --git a/net/core/scm.c b/net/core/scm.c
+index 040cebe..5b1e312 100644
+--- a/net/core/scm.c
++++ b/net/core/scm.c
+@@ -203,7 +203,7 @@ EXPORT_SYMBOL(__scm_send);
+ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
+ {
+ struct cmsghdr __user *cm
+- = (__force struct cmsghdr __user *)msg->msg_control;
++ = (struct cmsghdr __force_user *)msg->msg_control;
+ struct cmsghdr cmhdr;
+ int cmlen = CMSG_LEN(len);
+ int err;
+@@ -226,7 +226,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
+ err = -EFAULT;
+ if (copy_to_user(cm, &cmhdr, sizeof cmhdr))
+ goto out;
+- if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr)))
++ if (copy_to_user((void __force_user *)CMSG_DATA((void __force_kernel *)cm), data, cmlen - sizeof(struct cmsghdr)))
+ goto out;
+ cmlen = CMSG_SPACE(len);
+ if (msg->msg_controllen < cmlen)
+@@ -242,7 +242,7 @@ EXPORT_SYMBOL(put_cmsg);
+ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
+ {
+ struct cmsghdr __user *cm
+- = (__force struct cmsghdr __user*)msg->msg_control;
++ = (struct cmsghdr __force_user *)msg->msg_control;
+
+ int fdmax = 0;
+ int fdnum = scm->fp->count;
+@@ -262,7 +262,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
+ if (fdnum < fdmax)
+ fdmax = fdnum;
+
+- for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax;
++ for (i=0, cmfptr=(int __force_user *)CMSG_DATA((void __force_kernel *)cm); i<fdmax;
+ i++, cmfptr++)
+ {
+ struct socket *sock;
+diff --git a/net/core/sock.c b/net/core/sock.c
+index a6000fb..d4aee72 100644
+--- a/net/core/sock.c
++++ b/net/core/sock.c
+@@ -399,7 +399,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ struct sk_buff_head *list = &sk->sk_receive_queue;
+
+ if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ trace_sock_rcvqueue_full(sk, skb);
+ return -ENOMEM;
+ }
+@@ -409,7 +409,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ return err;
+
+ if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ return -ENOBUFS;
+ }
+
+@@ -429,7 +429,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ skb_dst_force(skb);
+
+ spin_lock_irqsave(&list->lock, flags);
+- skb->dropcount = atomic_read(&sk->sk_drops);
++ skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
+ __skb_queue_tail(list, skb);
+ spin_unlock_irqrestore(&list->lock, flags);
+
+@@ -449,7 +449,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
+ skb->dev = NULL;
+
+ if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ goto discard_and_relse;
+ }
+ if (nested)
+@@ -467,7 +467,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
+ mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
+ } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
+ bh_unlock_sock(sk);
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ goto discard_and_relse;
+ }
+
+@@ -886,12 +886,12 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
+ struct timeval tm;
+ } v;
+
+- int lv = sizeof(int);
+- int len;
++ unsigned int lv = sizeof(int);
++ unsigned int len;
+
+ if (get_user(len, optlen))
+ return -EFAULT;
+- if (len < 0)
++ if (len > INT_MAX)
+ return -EINVAL;
+
+ memset(&v, 0, sizeof(v));
+@@ -1039,11 +1039,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
+
+ case SO_PEERNAME:
+ {
+- char address[128];
++ char address[_K_SS_MAXSIZE];
+
+ if (sock->ops->getname(sock, (struct sockaddr *)address, &lv, 2))
+ return -ENOTCONN;
+- if (lv < len)
++ if (lv < len || sizeof address < len)
+ return -EINVAL;
+ if (copy_to_user(optval, address, len))
+ return -EFAULT;
+@@ -1091,7 +1091,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
+
+ if (len > lv)
+ len = lv;
+- if (copy_to_user(optval, &v, len))
++ if (len > sizeof(v) || copy_to_user(optval, &v, len))
+ return -EFAULT;
+ lenout:
+ if (put_user(len, optlen))
+@@ -2193,7 +2193,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
+ */
+ smp_wmb();
+ atomic_set(&sk->sk_refcnt, 1);
+- atomic_set(&sk->sk_drops, 0);
++ atomic_set_unchecked(&sk->sk_drops, 0);
+ }
+ EXPORT_SYMBOL(sock_init_data);
+
+diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
+index 9d8755e..26de8bc 100644
+--- a/net/core/sock_diag.c
++++ b/net/core/sock_diag.c
+@@ -15,20 +15,27 @@ static DEFINE_MUTEX(sock_diag_table_mutex);
+
+ int sock_diag_check_cookie(void *sk, __u32 *cookie)
+ {
++#ifndef CONFIG_GRKERNSEC_HIDESYM
+ if ((cookie[0] != INET_DIAG_NOCOOKIE ||
+ cookie[1] != INET_DIAG_NOCOOKIE) &&
+ ((u32)(unsigned long)sk != cookie[0] ||
+ (u32)((((unsigned long)sk) >> 31) >> 1) != cookie[1]))
+ return -ESTALE;
+ else
++#endif
+ return 0;
+ }
+ EXPORT_SYMBOL_GPL(sock_diag_check_cookie);
+
+ void sock_diag_save_cookie(void *sk, __u32 *cookie)
+ {
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ cookie[0] = 0;
++ cookie[1] = 0;
++#else
+ cookie[0] = (u32)(unsigned long)sk;
+ cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
++#endif
+ }
+ EXPORT_SYMBOL_GPL(sock_diag_save_cookie);
+
+diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
+index a55eecc..dd8428c 100644
+--- a/net/decnet/sysctl_net_decnet.c
++++ b/net/decnet/sysctl_net_decnet.c
+@@ -174,7 +174,7 @@ static int dn_node_address_handler(ctl_table *table, int write,
+
+ if (len > *lenp) len = *lenp;
+
+- if (copy_to_user(buffer, addr, len))
++ if (len > sizeof addr || copy_to_user(buffer, addr, len))
+ return -EFAULT;
+
+ *lenp = len;
+@@ -237,7 +237,7 @@ static int dn_def_dev_handler(ctl_table *table, int write,
+
+ if (len > *lenp) len = *lenp;
+
+- if (copy_to_user(buffer, devname, len))
++ if (len > sizeof devname || copy_to_user(buffer, devname, len))
+ return -EFAULT;
+
+ *lenp = len;
+diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
+index f444ac7..b7bdda9 100644
+--- a/net/ipv4/fib_frontend.c
++++ b/net/ipv4/fib_frontend.c
+@@ -1020,12 +1020,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
+ #ifdef CONFIG_IP_ROUTE_MULTIPATH
+ fib_sync_up(dev);
+ #endif
+- atomic_inc(&net->ipv4.dev_addr_genid);
++ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
+ rt_cache_flush(dev_net(dev));
+ break;
+ case NETDEV_DOWN:
+ fib_del_ifaddr(ifa, NULL);
+- atomic_inc(&net->ipv4.dev_addr_genid);
++ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
+ if (ifa->ifa_dev->ifa_list == NULL) {
+ /* Last address was deleted from this interface.
+ * Disable IP.
+@@ -1062,7 +1062,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
+ #ifdef CONFIG_IP_ROUTE_MULTIPATH
+ fib_sync_up(dev);
+ #endif
+- atomic_inc(&net->ipv4.dev_addr_genid);
++ atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
+ rt_cache_flush(dev_net(dev));
+ break;
+ case NETDEV_DOWN:
+diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
+index 9633661..4e0bc08 100644
+--- a/net/ipv4/fib_semantics.c
++++ b/net/ipv4/fib_semantics.c
+@@ -767,7 +767,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
+ nh->nh_saddr = inet_select_addr(nh->nh_dev,
+ nh->nh_gw,
+ nh->nh_parent->fib_scope);
+- nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
++ nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid);
+
+ return nh->nh_saddr;
+ }
+diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
+index 7880af9..70f92a3 100644
+--- a/net/ipv4/inet_hashtables.c
++++ b/net/ipv4/inet_hashtables.c
+@@ -18,12 +18,15 @@
+ #include <linux/sched.h>
+ #include <linux/slab.h>
+ #include <linux/wait.h>
++#include <linux/security.h>
+
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
+ #include <net/ip.h>
+
++extern void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet);
++
+ /*
+ * Allocate and initialize a new local port bind bucket.
+ * The bindhash mutex for snum's hash chain must be held here.
+@@ -530,6 +533,8 @@ ok:
+ twrefcnt += inet_twsk_bind_unhash(tw, hinfo);
+ spin_unlock(&head->lock);
+
++ gr_update_task_in_ip_table(current, inet_sk(sk));
++
+ if (tw) {
+ inet_twsk_deschedule(tw, death_row);
+ while (twrefcnt) {
+diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
+index c7527f6..d8bba61 100644
+--- a/net/ipv4/inetpeer.c
++++ b/net/ipv4/inetpeer.c
+@@ -503,8 +503,8 @@ relookup:
+ if (p) {
+ p->daddr = *daddr;
+ atomic_set(&p->refcnt, 1);
+- atomic_set(&p->rid, 0);
+- atomic_set(&p->ip_id_count,
++ atomic_set_unchecked(&p->rid, 0);
++ atomic_set_unchecked(&p->ip_id_count,
+ (daddr->family == AF_INET) ?
+ secure_ip_id(daddr->addr.a4) :
+ secure_ipv6_id(daddr->addr.a6));
+diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
+index 8d07c97..d0812ef 100644
+--- a/net/ipv4/ip_fragment.c
++++ b/net/ipv4/ip_fragment.c
+@@ -322,7 +322,7 @@ static inline int ip_frag_too_far(struct ipq *qp)
+ return 0;
+
+ start = qp->rid;
+- end = atomic_inc_return(&peer->rid);
++ end = atomic_inc_return_unchecked(&peer->rid);
+ qp->rid = end;
+
+ rc = qp->q.fragments && (end - start) > max;
+diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
+index 5eea4a8..49819c2 100644
+--- a/net/ipv4/ip_sockglue.c
++++ b/net/ipv4/ip_sockglue.c
+@@ -1142,7 +1142,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
+ len = min_t(unsigned int, len, opt->optlen);
+ if (put_user(len, optlen))
+ return -EFAULT;
+- if (copy_to_user(optval, opt->__data, len))
++ if ((len > (sizeof(optbuf) - sizeof(struct ip_options))) ||
++ copy_to_user(optval, opt->__data, len))
+ return -EFAULT;
+ return 0;
+ }
+@@ -1273,7 +1274,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
+ if (sk->sk_type != SOCK_STREAM)
+ return -ENOPROTOOPT;
+
+- msg.msg_control = optval;
++ msg.msg_control = (void __force_kernel *)optval;
+ msg.msg_controllen = len;
+ msg.msg_flags = flags;
+
+diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
+index 67e8a6b..386764d 100644
+--- a/net/ipv4/ipconfig.c
++++ b/net/ipv4/ipconfig.c
+@@ -321,7 +321,7 @@ static int __init ic_devinet_ioctl(unsigned int cmd, struct ifreq *arg)
+
+ mm_segment_t oldfs = get_fs();
+ set_fs(get_ds());
+- res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
++ res = devinet_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
+ set_fs(oldfs);
+ return res;
+ }
+@@ -332,7 +332,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg)
+
+ mm_segment_t oldfs = get_fs();
+ set_fs(get_ds());
+- res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
++ res = dev_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
+ set_fs(oldfs);
+ return res;
+ }
+@@ -343,7 +343,7 @@ static int __init ic_route_ioctl(unsigned int cmd, struct rtentry *arg)
+
+ mm_segment_t oldfs = get_fs();
+ set_fs(get_ds());
+- res = ip_rt_ioctl(&init_net, cmd, (void __user *) arg);
++ res = ip_rt_ioctl(&init_net, cmd, (void __force_user *) arg);
+ set_fs(oldfs);
+ return res;
+ }
+diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
+index 97e61ea..cac1bbb 100644
+--- a/net/ipv4/netfilter/arp_tables.c
++++ b/net/ipv4/netfilter/arp_tables.c
+@@ -879,14 +879,14 @@ static int compat_table_info(const struct xt_table_info *info,
+ #endif
+
+ static int get_info(struct net *net, void __user *user,
+- const int *len, int compat)
++ int len, int compat)
+ {
+ char name[XT_TABLE_MAXNAMELEN];
+ struct xt_table *t;
+ int ret;
+
+- if (*len != sizeof(struct arpt_getinfo)) {
+- duprintf("length %u != %Zu\n", *len,
++ if (len != sizeof(struct arpt_getinfo)) {
++ duprintf("length %u != %Zu\n", len,
+ sizeof(struct arpt_getinfo));
+ return -EINVAL;
+ }
+@@ -923,7 +923,7 @@ static int get_info(struct net *net, void __user *user,
+ info.size = private->size;
+ strcpy(info.name, name);
+
+- if (copy_to_user(user, &info, *len) != 0)
++ if (copy_to_user(user, &info, len) != 0)
+ ret = -EFAULT;
+ else
+ ret = 0;
+@@ -1682,7 +1682,7 @@ static int compat_do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user,
+
+ switch (cmd) {
+ case ARPT_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 1);
++ ret = get_info(sock_net(sk), user, *len, 1);
+ break;
+ case ARPT_SO_GET_ENTRIES:
+ ret = compat_get_entries(sock_net(sk), user, len);
+@@ -1727,7 +1727,7 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len
+
+ switch (cmd) {
+ case ARPT_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 0);
++ ret = get_info(sock_net(sk), user, *len, 0);
+ break;
+
+ case ARPT_SO_GET_ENTRIES:
+diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
+index 170b1fd..6105b91 100644
+--- a/net/ipv4/netfilter/ip_tables.c
++++ b/net/ipv4/netfilter/ip_tables.c
+@@ -1068,14 +1068,14 @@ static int compat_table_info(const struct xt_table_info *info,
+ #endif
+
+ static int get_info(struct net *net, void __user *user,
+- const int *len, int compat)
++ int len, int compat)
+ {
+ char name[XT_TABLE_MAXNAMELEN];
+ struct xt_table *t;
+ int ret;
+
+- if (*len != sizeof(struct ipt_getinfo)) {
+- duprintf("length %u != %zu\n", *len,
++ if (len != sizeof(struct ipt_getinfo)) {
++ duprintf("length %u != %zu\n", len,
+ sizeof(struct ipt_getinfo));
+ return -EINVAL;
+ }
+@@ -1112,7 +1112,7 @@ static int get_info(struct net *net, void __user *user,
+ info.size = private->size;
+ strcpy(info.name, name);
+
+- if (copy_to_user(user, &info, *len) != 0)
++ if (copy_to_user(user, &info, len) != 0)
+ ret = -EFAULT;
+ else
+ ret = 0;
+@@ -1966,7 +1966,7 @@ compat_do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+
+ switch (cmd) {
+ case IPT_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 1);
++ ret = get_info(sock_net(sk), user, *len, 1);
+ break;
+ case IPT_SO_GET_ENTRIES:
+ ret = compat_get_entries(sock_net(sk), user, len);
+@@ -2013,7 +2013,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+
+ switch (cmd) {
+ case IPT_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 0);
++ ret = get_info(sock_net(sk), user, *len, 0);
+ break;
+
+ case IPT_SO_GET_ENTRIES:
+diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
+index 6232d47..6b88607 100644
+--- a/net/ipv4/ping.c
++++ b/net/ipv4/ping.c
+@@ -847,7 +847,7 @@ static void ping_format_sock(struct sock *sp, struct seq_file *f,
+ sk_rmem_alloc_get(sp),
+ 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+ atomic_read(&sp->sk_refcnt), sp,
+- atomic_read(&sp->sk_drops), len);
++ atomic_read_unchecked(&sp->sk_drops), len);
+ }
+
+ static int ping_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
+index d23c657..cb69cc2 100644
+--- a/net/ipv4/raw.c
++++ b/net/ipv4/raw.c
+@@ -311,7 +311,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ int raw_rcv(struct sock *sk, struct sk_buff *skb)
+ {
+ if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -747,16 +747,20 @@ static int raw_init(struct sock *sk)
+
+ static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen)
+ {
++ struct icmp_filter filter;
++
+ if (optlen > sizeof(struct icmp_filter))
+ optlen = sizeof(struct icmp_filter);
+- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen))
++ if (copy_from_user(&filter, optval, optlen))
+ return -EFAULT;
++ raw_sk(sk)->filter = filter;
+ return 0;
+ }
+
+ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen)
+ {
+ int len, ret = -EFAULT;
++ struct icmp_filter filter;
+
+ if (get_user(len, optlen))
+ goto out;
+@@ -766,8 +770,8 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o
+ if (len > sizeof(struct icmp_filter))
+ len = sizeof(struct icmp_filter);
+ ret = -EFAULT;
+- if (put_user(len, optlen) ||
+- copy_to_user(optval, &raw_sk(sk)->filter, len))
++ filter = raw_sk(sk)->filter;
++ if (put_user(len, optlen) || len > sizeof filter || copy_to_user(optval, &filter, len))
+ goto out;
+ ret = 0;
+ out: return ret;
+@@ -995,7 +999,13 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
+ sk_wmem_alloc_get(sp),
+ sk_rmem_alloc_get(sp),
+ 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
++ atomic_read(&sp->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sp,
++#endif
++ atomic_read_unchecked(&sp->sk_drops));
+ }
+
+ static int raw_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 2a1383c..ff99572 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -2523,7 +2523,7 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
+
+ static __net_init int rt_genid_init(struct net *net)
+ {
+- atomic_set(&net->rt_genid, 0);
++ atomic_set_unchecked(&net->rt_genid, 0);
+ get_random_bytes(&net->ipv4.dev_addr_genid,
+ sizeof(net->ipv4.dev_addr_genid));
+ return 0;
+diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
+index 813b43a..834857f 100644
+--- a/net/ipv4/tcp_illinois.c
++++ b/net/ipv4/tcp_illinois.c
+@@ -313,11 +313,13 @@ static void tcp_illinois_info(struct sock *sk, u32 ext,
+ .tcpv_rttcnt = ca->cnt_rtt,
+ .tcpv_minrtt = ca->base_rtt,
+ };
+- u64 t = ca->sum_rtt;
+
+- do_div(t, ca->cnt_rtt);
+- info.tcpv_rtt = t;
++ if (info.tcpv_rttcnt > 0) {
++ u64 t = ca->sum_rtt;
+
++ do_div(t, info.tcpv_rttcnt);
++ info.tcpv_rtt = t;
++ }
+ nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
+ }
+ }
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index d377f48..f19e3ec 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -4556,6 +4556,9 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)
+ struct tcphdr *th;
+ bool fragstolen;
+
++ if (size == 0)
++ return 0;
++
+ skb = alloc_skb(size + sizeof(*th), sk->sk_allocation);
+ if (!skb)
+ goto err;
+@@ -4728,7 +4731,7 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
+ * simplifies code)
+ */
+ static void
+-tcp_collapse(struct sock *sk, struct sk_buff_head *list,
++__intentional_overflow(5,6) tcp_collapse(struct sock *sk, struct sk_buff_head *list,
+ struct sk_buff *head, struct sk_buff *tail,
+ u32 start, u32 end)
+ {
+diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
+index db7bfad..bfea796 100644
+--- a/net/ipv4/tcp_ipv4.c
++++ b/net/ipv4/tcp_ipv4.c
+@@ -90,6 +90,10 @@ int sysctl_tcp_low_latency __read_mostly;
+ EXPORT_SYMBOL(sysctl_tcp_low_latency);
+
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_enable_blackhole;
++#endif
++
+ #ifdef CONFIG_TCP_MD5SIG
+ static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
+ __be32 daddr, __be32 saddr, const struct tcphdr *th);
+@@ -1664,6 +1668,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
+ return 0;
+
+ reset:
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole)
++#endif
+ tcp_v4_send_reset(rsk, skb);
+ discard:
+ kfree_skb(skb);
+@@ -1764,12 +1771,19 @@ int tcp_v4_rcv(struct sk_buff *skb)
+ TCP_SKB_CB(skb)->sacked = 0;
+
+ sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
+- if (!sk)
++ if (!sk) {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ ret = 1;
++#endif
+ goto no_tcp_socket;
+-
++ }
+ process:
+- if (sk->sk_state == TCP_TIME_WAIT)
++ if (sk->sk_state == TCP_TIME_WAIT) {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ ret = 2;
++#endif
+ goto do_time_wait;
++ }
+
+ if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+@@ -1820,6 +1834,10 @@ no_tcp_socket:
+ bad_packet:
+ TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
+ } else {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole || (ret == 1 &&
++ (skb->dev->flags & IFF_LOOPBACK)))
++#endif
+ tcp_v4_send_reset(NULL, skb);
+ }
+
+@@ -2415,7 +2433,11 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
+ 0, /* non standard timer */
+ 0, /* open_requests have no inode */
+ atomic_read(&sk->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
+ req,
++#endif
+ len);
+ }
+
+@@ -2465,7 +2487,12 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
+ sock_i_uid(sk),
+ icsk->icsk_probes_out,
+ sock_i_ino(sk),
+- atomic_read(&sk->sk_refcnt), sk,
++ atomic_read(&sk->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sk,
++#endif
+ jiffies_to_clock_t(icsk->icsk_rto),
+ jiffies_to_clock_t(icsk->icsk_ack.ato),
+ (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
+@@ -2493,7 +2520,13 @@ static void get_timewait4_sock(const struct inet_timewait_sock *tw,
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n",
+ i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
+ 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
+- atomic_read(&tw->tw_refcnt), tw, len);
++ atomic_read(&tw->tw_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ tw,
++#endif
++ len);
+ }
+
+ #define TMPSZ 150
+diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
+index 6ff7f10..38de56e 100644
+--- a/net/ipv4/tcp_minisocks.c
++++ b/net/ipv4/tcp_minisocks.c
+@@ -27,6 +27,10 @@
+ #include <net/inet_common.h>
+ #include <net/xfrm.h>
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_enable_blackhole;
++#endif
++
+ int sysctl_tcp_syncookies __read_mostly = 1;
+ EXPORT_SYMBOL(sysctl_tcp_syncookies);
+
+@@ -707,6 +711,10 @@ listen_overflow:
+
+ embryonic_reset:
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_EMBRYONICRSTS);
++
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole)
++#endif
+ if (!(flg & TCP_FLAG_RST))
+ req->rsk_ops->send_reset(sk, skb);
+
+diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
+index 4526fe6..1a34e43 100644
+--- a/net/ipv4/tcp_probe.c
++++ b/net/ipv4/tcp_probe.c
+@@ -204,7 +204,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
+ if (cnt + width >= len)
+ break;
+
+- if (copy_to_user(buf + cnt, tbuf, width))
++ if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width))
+ return -EFAULT;
+ cnt += width;
+ }
+diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
+index b774a03..3873efe 100644
+--- a/net/ipv4/tcp_timer.c
++++ b/net/ipv4/tcp_timer.c
+@@ -22,6 +22,10 @@
+ #include <linux/gfp.h>
+ #include <net/tcp.h>
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_lastack_retries;
++#endif
++
+ int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES;
+ int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES;
+ int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME;
+@@ -185,6 +189,13 @@ static int tcp_write_timeout(struct sock *sk)
+ }
+ }
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if ((sk->sk_state == TCP_LAST_ACK) &&
++ (grsec_lastack_retries > 0) &&
++ (grsec_lastack_retries < retry_until))
++ retry_until = grsec_lastack_retries;
++#endif
++
+ if (retransmits_timed_out(sk, retry_until,
+ syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) {
+ /* Has it gone just too far? */
+diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
+index 2814f66..fa2b223 100644
+--- a/net/ipv4/udp.c
++++ b/net/ipv4/udp.c
+@@ -87,6 +87,7 @@
+ #include <linux/types.h>
+ #include <linux/fcntl.h>
+ #include <linux/module.h>
++#include <linux/security.h>
+ #include <linux/socket.h>
+ #include <linux/sockios.h>
+ #include <linux/igmp.h>
+@@ -111,6 +112,10 @@
+ #include <trace/events/skb.h>
+ #include "udp_impl.h"
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_enable_blackhole;
++#endif
++
+ struct udp_table udp_table __read_mostly;
+ EXPORT_SYMBOL(udp_table);
+
+@@ -569,6 +574,9 @@ found:
+ return s;
+ }
+
++extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb);
++extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr);
++
+ /*
+ * This routine is called by the ICMP module when it gets some
+ * sort of error condition. If err < 0 then the socket should
+@@ -864,9 +872,18 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+ dport = usin->sin_port;
+ if (dport == 0)
+ return -EINVAL;
++
++ err = gr_search_udp_sendmsg(sk, usin);
++ if (err)
++ return err;
+ } else {
+ if (sk->sk_state != TCP_ESTABLISHED)
+ return -EDESTADDRREQ;
++
++ err = gr_search_udp_sendmsg(sk, NULL);
++ if (err)
++ return err;
++
+ daddr = inet->inet_daddr;
+ dport = inet->inet_dport;
+ /* Open fast path for connected socket.
+@@ -1108,7 +1125,7 @@ static unsigned int first_packet_length(struct sock *sk)
+ udp_lib_checksum_complete(skb)) {
+ UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
+ IS_UDPLITE(sk));
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ __skb_unlink(skb, rcvq);
+ __skb_queue_tail(&list_kill, skb);
+ }
+@@ -1194,6 +1211,10 @@ try_again:
+ if (!skb)
+ goto out;
+
++ err = gr_search_udp_recvmsg(sk, skb);
++ if (err)
++ goto out_free;
++
+ ulen = skb->len - sizeof(struct udphdr);
+ copied = len;
+ if (copied > ulen)
+@@ -1227,7 +1248,7 @@ try_again:
+ if (unlikely(err)) {
+ trace_kfree_skb(skb, udp_recvmsg);
+ if (!peeked) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ UDP_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_INERRORS, is_udplite);
+ }
+@@ -1510,7 +1531,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+
+ drop:
+ UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return -1;
+ }
+@@ -1529,7 +1550,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
+ skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
+
+ if (!skb1) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
+ IS_UDPLITE(sk));
+ UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
+@@ -1698,6 +1719,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
+ goto csum_error;
+
+ UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
++#endif
+ icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
+
+ /*
+@@ -2116,8 +2140,13 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
+ sk_wmem_alloc_get(sp),
+ sk_rmem_alloc_get(sp),
+ 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+- atomic_read(&sp->sk_refcnt), sp,
+- atomic_read(&sp->sk_drops), len);
++ atomic_read(&sp->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sp,
++#endif
++ atomic_read_unchecked(&sp->sk_drops), len);
+ }
+
+ int udp4_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
+index b10374d..0baa1f9 100644
+--- a/net/ipv6/addrconf.c
++++ b/net/ipv6/addrconf.c
+@@ -2144,7 +2144,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
+ p.iph.ihl = 5;
+ p.iph.protocol = IPPROTO_IPV6;
+ p.iph.ttl = 64;
+- ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
++ ifr.ifr_ifru.ifru_data = (void __force_user *)&p;
+
+ if (ops->ndo_do_ioctl) {
+ mm_segment_t oldfs = get_fs();
+diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
+index ba6d13d..6899122 100644
+--- a/net/ipv6/ipv6_sockglue.c
++++ b/net/ipv6/ipv6_sockglue.c
+@@ -989,7 +989,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
+ if (sk->sk_type != SOCK_STREAM)
+ return -ENOPROTOOPT;
+
+- msg.msg_control = optval;
++ msg.msg_control = (void __force_kernel *)optval;
+ msg.msg_controllen = len;
+ msg.msg_flags = flags;
+
+diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
+index d7cb045..8c0ded6 100644
+--- a/net/ipv6/netfilter/ip6_tables.c
++++ b/net/ipv6/netfilter/ip6_tables.c
+@@ -1078,14 +1078,14 @@ static int compat_table_info(const struct xt_table_info *info,
+ #endif
+
+ static int get_info(struct net *net, void __user *user,
+- const int *len, int compat)
++ int len, int compat)
+ {
+ char name[XT_TABLE_MAXNAMELEN];
+ struct xt_table *t;
+ int ret;
+
+- if (*len != sizeof(struct ip6t_getinfo)) {
+- duprintf("length %u != %zu\n", *len,
++ if (len != sizeof(struct ip6t_getinfo)) {
++ duprintf("length %u != %zu\n", len,
+ sizeof(struct ip6t_getinfo));
+ return -EINVAL;
+ }
+@@ -1122,7 +1122,7 @@ static int get_info(struct net *net, void __user *user,
+ info.size = private->size;
+ strcpy(info.name, name);
+
+- if (copy_to_user(user, &info, *len) != 0)
++ if (copy_to_user(user, &info, len) != 0)
+ ret = -EFAULT;
+ else
+ ret = 0;
+@@ -1976,7 +1976,7 @@ compat_do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+
+ switch (cmd) {
+ case IP6T_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 1);
++ ret = get_info(sock_net(sk), user, *len, 1);
+ break;
+ case IP6T_SO_GET_ENTRIES:
+ ret = compat_get_entries(sock_net(sk), user, len);
+@@ -2023,7 +2023,7 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+
+ switch (cmd) {
+ case IP6T_SO_GET_INFO:
+- ret = get_info(sock_net(sk), user, len, 0);
++ ret = get_info(sock_net(sk), user, *len, 0);
+ break;
+
+ case IP6T_SO_GET_ENTRIES:
+diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
+index 4a5f78b..3f22ebe 100644
+--- a/net/ipv6/raw.c
++++ b/net/ipv6/raw.c
+@@ -379,7 +379,7 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ {
+ if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&
+ skb_checksum_complete(skb)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -407,7 +407,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
+ struct raw6_sock *rp = raw6_sk(sk);
+
+ if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -431,7 +431,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
+
+ if (inet->hdrincl) {
+ if (skb_checksum_complete(skb)) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+@@ -604,7 +604,7 @@ out:
+ return err;
+ }
+
+-static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
++static int rawv6_send_hdrinc(struct sock *sk, void *from, unsigned int length,
+ struct flowi6 *fl6, struct dst_entry **dstp,
+ unsigned int flags)
+ {
+@@ -916,12 +916,15 @@ do_confirm:
+ static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
+ char __user *optval, int optlen)
+ {
++ struct icmp6_filter filter;
++
+ switch (optname) {
+ case ICMPV6_FILTER:
+ if (optlen > sizeof(struct icmp6_filter))
+ optlen = sizeof(struct icmp6_filter);
+- if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
++ if (copy_from_user(&filter, optval, optlen))
+ return -EFAULT;
++ raw6_sk(sk)->filter = filter;
+ return 0;
+ default:
+ return -ENOPROTOOPT;
+@@ -934,6 +937,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen)
+ {
+ int len;
++ struct icmp6_filter filter;
+
+ switch (optname) {
+ case ICMPV6_FILTER:
+@@ -945,7 +949,8 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+ len = sizeof(struct icmp6_filter);
+ if (put_user(len, optlen))
+ return -EFAULT;
+- if (copy_to_user(optval, &raw6_sk(sk)->filter, len))
++ filter = raw6_sk(sk)->filter;
++ if (len > sizeof filter || copy_to_user(optval, &filter, len))
+ return -EFAULT;
+ return 0;
+ default:
+@@ -1252,7 +1257,13 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
+ 0, 0L, 0,
+ sock_i_uid(sp), 0,
+ sock_i_ino(sp),
+- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
++ atomic_read(&sp->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sp,
++#endif
++ atomic_read_unchecked(&sp->sk_drops));
+ }
+
+ static int raw6_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
+index 7e32d42..5d975ba 100644
+--- a/net/ipv6/tcp_ipv6.c
++++ b/net/ipv6/tcp_ipv6.c
+@@ -106,6 +106,10 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
+ inet6_sk(sk)->rx_dst_cookie = rt->rt6i_node->fn_sernum;
+ }
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_enable_blackhole;
++#endif
++
+ static void tcp_v6_hash(struct sock *sk)
+ {
+ if (sk->sk_state != TCP_CLOSE) {
+@@ -1511,6 +1515,9 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
+ return 0;
+
+ reset:
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole)
++#endif
+ tcp_v6_send_reset(sk, skb);
+ discard:
+ if (opt_skb)
+@@ -1592,12 +1599,20 @@ static int tcp_v6_rcv(struct sk_buff *skb)
+ TCP_SKB_CB(skb)->sacked = 0;
+
+ sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
+- if (!sk)
++ if (!sk) {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ ret = 1;
++#endif
+ goto no_tcp_socket;
++ }
+
+ process:
+- if (sk->sk_state == TCP_TIME_WAIT)
++ if (sk->sk_state == TCP_TIME_WAIT) {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ ret = 2;
++#endif
+ goto do_time_wait;
++ }
+
+ if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) {
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+@@ -1646,6 +1661,10 @@ no_tcp_socket:
+ bad_packet:
+ TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
+ } else {
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole || (ret == 1 &&
++ (skb->dev->flags & IFF_LOOPBACK)))
++#endif
+ tcp_v6_send_reset(NULL, skb);
+ }
+
+@@ -1857,7 +1876,13 @@ static void get_openreq6(struct seq_file *seq,
+ uid,
+ 0, /* non standard timer */
+ 0, /* open_requests have no inode */
+- 0, req);
++ 0,
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL
++#else
++ req
++#endif
++ );
+ }
+
+ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
+@@ -1907,7 +1932,12 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
+ sock_i_uid(sp),
+ icsk->icsk_probes_out,
+ sock_i_ino(sp),
+- atomic_read(&sp->sk_refcnt), sp,
++ atomic_read(&sp->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sp,
++#endif
+ jiffies_to_clock_t(icsk->icsk_rto),
+ jiffies_to_clock_t(icsk->icsk_ack.ato),
+ (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong,
+@@ -1942,7 +1972,13 @@ static void get_timewait6_sock(struct seq_file *seq,
+ dest->s6_addr32[2], dest->s6_addr32[3], destp,
+ tw->tw_substate, 0, 0,
+ 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
+- atomic_read(&tw->tw_refcnt), tw);
++ atomic_read(&tw->tw_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL
++#else
++ tw
++#endif
++ );
+ }
+
+ static int tcp6_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
+index 07e2bfe..328dae8 100644
+--- a/net/ipv6/udp.c
++++ b/net/ipv6/udp.c
+@@ -51,6 +51,10 @@
+ #include <trace/events/skb.h>
+ #include "udp_impl.h"
+
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++extern int grsec_enable_blackhole;
++#endif
++
+ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
+ {
+ const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
+@@ -395,7 +399,7 @@ try_again:
+ if (unlikely(err)) {
+ trace_kfree_skb(skb, udpv6_recvmsg);
+ if (!peeked) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ if (is_udp4)
+ UDP_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_INERRORS,
+@@ -633,7 +637,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ return rc;
+ drop:
+ UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ kfree_skb(skb);
+ return -1;
+ }
+@@ -691,7 +695,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
+ if (likely(skb1 == NULL))
+ skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
+ if (!skb1) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
+ IS_UDPLITE(sk));
+ UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
+@@ -862,6 +866,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
+ goto discard;
+
+ UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
++#ifdef CONFIG_GRKERNSEC_BLACKHOLE
++ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
++#endif
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
+
+ kfree_skb(skb);
+@@ -1471,8 +1478,13 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
+ 0, 0L, 0,
+ sock_i_uid(sp), 0,
+ sock_i_ino(sp),
+- atomic_read(&sp->sk_refcnt), sp,
+- atomic_read(&sp->sk_drops));
++ atomic_read(&sp->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sp,
++#endif
++ atomic_read_unchecked(&sp->sk_drops));
+ }
+
+ int udp6_seq_show(struct seq_file *seq, void *v)
+diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
+index 6b9d5a0..4dffaf1 100644
+--- a/net/irda/ircomm/ircomm_tty.c
++++ b/net/irda/ircomm/ircomm_tty.c
+@@ -281,16 +281,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
+ add_wait_queue(&self->open_wait, &wait);
+
+ IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, self->open_count );
++ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) );
+
+ /* As far as I can see, we protect open_count - Jean II */
+ spin_lock_irqsave(&self->spinlock, flags);
+ if (!tty_hung_up_p(filp)) {
+ extra_count = 1;
+- self->open_count--;
++ local_dec(&self->open_count);
+ }
+ spin_unlock_irqrestore(&self->spinlock, flags);
+- self->blocked_open++;
++ local_inc(&self->blocked_open);
+
+ while (1) {
+ if (tty->termios->c_cflag & CBAUD) {
+@@ -330,7 +330,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
+ }
+
+ IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, self->open_count );
++ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) );
+
+ schedule();
+ }
+@@ -341,13 +341,13 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
+ if (extra_count) {
+ /* ++ is not atomic, so this should be protected - Jean II */
+ spin_lock_irqsave(&self->spinlock, flags);
+- self->open_count++;
++ local_inc(&self->open_count);
+ spin_unlock_irqrestore(&self->spinlock, flags);
+ }
+- self->blocked_open--;
++ local_dec(&self->blocked_open);
+
+ IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n",
+- __FILE__,__LINE__, tty->driver->name, self->open_count);
++ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count));
+
+ if (!retval)
+ self->flags |= ASYNC_NORMAL_ACTIVE;
+@@ -412,14 +412,14 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
+ }
+ /* ++ is not atomic, so this should be protected - Jean II */
+ spin_lock_irqsave(&self->spinlock, flags);
+- self->open_count++;
++ local_inc(&self->open_count);
+
+ tty->driver_data = self;
+ self->tty = tty;
+ spin_unlock_irqrestore(&self->spinlock, flags);
+
+ IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name,
+- self->line, self->open_count);
++ self->line, local_read(&self->open_count));
+
+ /* Not really used by us, but lets do it anyway */
+ self->tty->low_latency = (self->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+@@ -505,7 +505,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
+ return;
+ }
+
+- if ((tty->count == 1) && (self->open_count != 1)) {
++ if ((tty->count == 1) && (local_read(&self->open_count) != 1)) {
+ /*
+ * Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. state->count should always
+@@ -515,16 +515,16 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
+ */
+ IRDA_DEBUG(0, "%s(), bad serial port count; "
+ "tty->count is 1, state->count is %d\n", __func__ ,
+- self->open_count);
+- self->open_count = 1;
++ local_read(&self->open_count));
++ local_set(&self->open_count, 1);
+ }
+
+- if (--self->open_count < 0) {
++ if (local_dec_return(&self->open_count) < 0) {
+ IRDA_ERROR("%s(), bad serial port count for ttys%d: %d\n",
+- __func__, self->line, self->open_count);
+- self->open_count = 0;
++ __func__, self->line, local_read(&self->open_count));
++ local_set(&self->open_count, 0);
+ }
+- if (self->open_count) {
++ if (local_read(&self->open_count)) {
+ spin_unlock_irqrestore(&self->spinlock, flags);
+
+ IRDA_DEBUG(0, "%s(), open count > 0\n", __func__ );
+@@ -556,7 +556,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
+ tty->closing = 0;
+ self->tty = NULL;
+
+- if (self->blocked_open) {
++ if (local_read(&self->blocked_open)) {
+ if (self->close_delay)
+ schedule_timeout_interruptible(self->close_delay);
+ wake_up_interruptible(&self->open_wait);
+@@ -1008,7 +1008,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty)
+ spin_lock_irqsave(&self->spinlock, flags);
+ self->flags &= ~ASYNC_NORMAL_ACTIVE;
+ self->tty = NULL;
+- self->open_count = 0;
++ local_set(&self->open_count, 0);
+ spin_unlock_irqrestore(&self->spinlock, flags);
+
+ wake_up_interruptible(&self->open_wait);
+@@ -1355,7 +1355,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m)
+ seq_putc(m, '\n');
+
+ seq_printf(m, "Role: %s\n", self->client ? "client" : "server");
+- seq_printf(m, "Open count: %d\n", self->open_count);
++ seq_printf(m, "Open count: %d\n", local_read(&self->open_count));
+ seq_printf(m, "Max data size: %d\n", self->max_data_size);
+ seq_printf(m, "Max header size: %d\n", self->max_header_size);
+
+diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
+index cd6f7a9..e63fe89 100644
+--- a/net/iucv/af_iucv.c
++++ b/net/iucv/af_iucv.c
+@@ -782,10 +782,10 @@ static int iucv_sock_autobind(struct sock *sk)
+
+ write_lock_bh(&iucv_sk_list.lock);
+
+- sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name));
++ sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
+ while (__iucv_get_sock_by_name(name)) {
+ sprintf(name, "%08x",
+- atomic_inc_return(&iucv_sk_list.autobind_name));
++ atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
+ }
+
+ write_unlock_bh(&iucv_sk_list.lock);
+diff --git a/net/key/af_key.c b/net/key/af_key.c
+index 34e4185..8823368 100644
+--- a/net/key/af_key.c
++++ b/net/key/af_key.c
+@@ -3016,10 +3016,10 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struc
+ static u32 get_acqseq(void)
+ {
+ u32 res;
+- static atomic_t acqseq;
++ static atomic_unchecked_t acqseq;
+
+ do {
+- res = atomic_inc_return(&acqseq);
++ res = atomic_inc_return_unchecked(&acqseq);
+ } while (!res);
+ return res;
+ }
+diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
+index 3bfb34a..69bf48d 100644
+--- a/net/l2tp/l2tp_eth.c
++++ b/net/l2tp/l2tp_eth.c
+@@ -290,6 +290,7 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p
+
+ out_del_dev:
+ free_netdev(dev);
++ spriv->dev = NULL;
+ out_del_session:
+ l2tp_session_delete(session);
+ out:
+diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
+index 5746d62..327aa07 100644
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -1074,7 +1074,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
+ sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
+ sdata->u.ibss.ibss_join_req = jiffies;
+
+- memcpy(sdata->u.ibss.ssid, params->ssid, IEEE80211_MAX_SSID_LEN);
++ memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len);
+ sdata->u.ibss.ssid_len = params->ssid_len;
+
+ mutex_unlock(&sdata->u.ibss.mtx);
+diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
+index bb61f77..3788d63 100644
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -28,6 +28,7 @@
+ #include <net/ieee80211_radiotap.h>
+ #include <net/cfg80211.h>
+ #include <net/mac80211.h>
++#include <asm/local.h>
+ #include "key.h"
+ #include "sta_info.h"
+ #include "debug.h"
+@@ -840,7 +841,7 @@ struct ieee80211_local {
+ /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
+ spinlock_t queue_stop_reason_lock;
+
+- int open_count;
++ local_t open_count;
+ int monitors, cooked_mntrs;
+ /* number of interfaces with corresponding FIF_ flags */
+ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
+diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
+index c93d395..a305570 100644
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -454,7 +454,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+ break;
+ }
+
+- if (local->open_count == 0) {
++ if (local_read(&local->open_count) == 0) {
+ res = drv_start(local);
+ if (res)
+ goto err_del_bss;
+@@ -497,7 +497,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+ break;
+ }
+
+- if (local->monitors == 0 && local->open_count == 0) {
++ if (local->monitors == 0 && local_read(&local->open_count) == 0) {
+ res = ieee80211_add_virtual_monitor(local);
+ if (res)
+ goto err_stop;
+@@ -594,7 +594,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+ mutex_unlock(&local->mtx);
+
+ if (coming_up)
+- local->open_count++;
++ local_inc(&local->open_count);
+
+ if (hw_reconf_flags)
+ ieee80211_hw_config(local, hw_reconf_flags);
+@@ -607,7 +607,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+ err_del_interface:
+ drv_remove_interface(local, sdata);
+ err_stop:
+- if (!local->open_count)
++ if (!local_read(&local->open_count))
+ drv_stop(local);
+ err_del_bss:
+ sdata->bss = NULL;
+@@ -736,7 +736,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
+ }
+
+ if (going_down)
+- local->open_count--;
++ local_dec(&local->open_count);
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+@@ -796,7 +796,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
+
+ ieee80211_recalc_ps(local, -1);
+
+- if (local->open_count == 0) {
++ if (local_read(&local->open_count) == 0) {
+ if (local->ops->napi_poll)
+ napi_disable(&local->napi);
+ ieee80211_clear_tx_pending(local);
+@@ -828,7 +828,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+- if (local->monitors == local->open_count && local->monitors > 0)
++ if (local->monitors == local_read(&local->open_count) && local->monitors > 0)
+ ieee80211_add_virtual_monitor(local);
+ }
+
+diff --git a/net/mac80211/main.c b/net/mac80211/main.c
+index c26e231..8916637 100644
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -166,7 +166,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
+ local->hw.conf.power_level = power;
+ }
+
+- if (changed && local->open_count) {
++ if (changed && local_read(&local->open_count)) {
+ ret = drv_config(local, changed);
+ /*
+ * Goal:
+diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
+index 5c572e7..ecf75ce 100644
+--- a/net/mac80211/pm.c
++++ b/net/mac80211/pm.c
+@@ -34,7 +34,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+
+- if (!local->open_count)
++ if (!local_read(&local->open_count))
+ goto suspend;
+
+ ieee80211_scan_cancel(local);
+@@ -72,7 +72,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
+ cancel_work_sync(&local->dynamic_ps_enable_work);
+ del_timer_sync(&local->dynamic_ps_timer);
+
+- local->wowlan = wowlan && local->open_count;
++ local->wowlan = wowlan && local_read(&local->open_count);
+ if (local->wowlan) {
+ int err = drv_suspend(local, wowlan);
+ if (err < 0) {
+@@ -143,7 +143,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
+ drv_remove_interface(local, sdata);
+
+ /* stop hardware - this must stop RX */
+- if (local->open_count)
++ if (local_read(&local->open_count))
+ ieee80211_stop_device(local);
+
+ suspend:
+diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
+index 3313c11..bec9f17 100644
+--- a/net/mac80211/rate.c
++++ b/net/mac80211/rate.c
+@@ -494,7 +494,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
+
+ ASSERT_RTNL();
+
+- if (local->open_count)
++ if (local_read(&local->open_count))
+ return -EBUSY;
+
+ if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
+diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c
+index c97a065..ff61928 100644
+--- a/net/mac80211/rc80211_pid_debugfs.c
++++ b/net/mac80211/rc80211_pid_debugfs.c
+@@ -193,7 +193,7 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf,
+
+ spin_unlock_irqrestore(&events->lock, status);
+
+- if (copy_to_user(buf, pb, p))
++ if (p > sizeof(pb) || copy_to_user(buf, pb, p))
+ return -EFAULT;
+
+ return p;
+diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
+index 0cb4ede..884155d 100644
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -491,6 +491,11 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
+
+ if (ieee80211_is_action(hdr->frame_control)) {
+ u8 category;
++
++ /* make sure category field is present */
++ if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE)
++ return RX_DROP_MONITOR;
++
+ mgmt = (struct ieee80211_mgmt *)hdr;
+ category = mgmt->u.action.category;
+ if (category != WLAN_CATEGORY_MESH_ACTION &&
+@@ -1426,7 +1431,6 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
+ frag = sc & IEEE80211_SCTL_FRAG;
+
+ if (likely((!ieee80211_has_morefrags(fc) && frag == 0) ||
+- (rx->skb)->len < 24 ||
+ is_multicast_ether_addr(hdr->addr1))) {
+ /* not fragmented */
+ goto out;
+@@ -1849,6 +1853,20 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
+
+ hdr = (struct ieee80211_hdr *) skb->data;
+ hdrlen = ieee80211_hdrlen(hdr->frame_control);
++
++ /* make sure fixed part of mesh header is there, also checks skb len */
++ if (!pskb_may_pull(rx->skb, hdrlen + 6))
++ return RX_DROP_MONITOR;
++
++ mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);
++
++ /* make sure full mesh header is there, also checks skb len */
++ if (!pskb_may_pull(rx->skb,
++ hdrlen + ieee80211_get_mesh_hdrlen(mesh_hdr)))
++ return RX_DROP_MONITOR;
++
++ /* reload pointers */
++ hdr = (struct ieee80211_hdr *) skb->data;
+ mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);
+
+ /* frame is in RMC, don't forward */
+@@ -1871,9 +1889,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ mpp_addr = hdr->addr3;
+ proxied_addr = mesh_hdr->eaddr1;
+- } else {
++ } else if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6) {
++ /* has_a4 already checked in ieee80211_rx_mesh_check */
+ mpp_addr = hdr->addr4;
+ proxied_addr = mesh_hdr->eaddr2;
++ } else {
++ return RX_DROP_MONITOR;
+ }
+
+ rcu_read_lock();
+@@ -2313,6 +2334,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
+ }
+ break;
+ case WLAN_CATEGORY_SELF_PROTECTED:
++ if (len < (IEEE80211_MIN_ACTION_SIZE +
++ sizeof(mgmt->u.action.u.self_prot.action_code)))
++ break;
++
+ switch (mgmt->u.action.u.self_prot.action_code) {
+ case WLAN_SP_MESH_PEERING_OPEN:
+ case WLAN_SP_MESH_PEERING_CLOSE:
+@@ -2331,6 +2356,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
+ }
+ break;
+ case WLAN_CATEGORY_MESH_ACTION:
++ if (len < (IEEE80211_MIN_ACTION_SIZE +
++ sizeof(mgmt->u.action.u.mesh_action.action_code)))
++ break;
++
+ if (!ieee80211_vif_is_mesh(&sdata->vif))
+ break;
+ if (mesh_action_is_path_sel(mgmt) &&
+@@ -2865,10 +2894,15 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
+ if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))
+ local->dot11ReceivedFragmentCount++;
+
+- if (ieee80211_is_mgmt(fc))
+- err = skb_linearize(skb);
+- else
++ if (ieee80211_is_mgmt(fc)) {
++ /* drop frame if too short for header */
++ if (skb->len < ieee80211_hdrlen(fc))
++ err = -ENOBUFS;
++ else
++ err = skb_linearize(skb);
++ } else {
+ err = !pskb_may_pull(skb, ieee80211_hdrlen(fc));
++ }
+
+ if (err) {
+ dev_kfree_skb(skb);
+diff --git a/net/mac80211/util.c b/net/mac80211/util.c
+index c9b52f7..4da1014 100644
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -1251,7 +1251,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
+ }
+ #endif
+ /* everything else happens only if HW was up & running */
+- if (!local->open_count)
++ if (!local_read(&local->open_count))
+ goto wake_up;
+
+ /*
+diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
+index c19b214..471fad1 100644
+--- a/net/netfilter/Kconfig
++++ b/net/netfilter/Kconfig
+@@ -872,6 +872,16 @@ config NETFILTER_XT_MATCH_ESP
+
+ To compile it as a module, choose M here. If unsure, say N.
+
++config NETFILTER_XT_MATCH_GRADM
++ tristate '"gradm" match support'
++ depends on NETFILTER_XTABLES && NETFILTER_ADVANCED
++ depends on GRKERNSEC && !GRKERNSEC_NO_RBAC
++ ---help---
++ The gradm match allows to match on grsecurity RBAC being enabled.
++ It is useful when iptables rules are applied early on bootup to
++ prevent connections to the machine (except from a trusted host)
++ while the RBAC system is disabled.
++
+ config NETFILTER_XT_MATCH_HASHLIMIT
+ tristate '"hashlimit" match support'
+ depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n)
+diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
+index 1c5160f..145ae21 100644
+--- a/net/netfilter/Makefile
++++ b/net/netfilter/Makefile
+@@ -90,6 +90,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_ECN) += xt_ecn.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o
++obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
+diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
+index 1548df9..98ad9b4 100644
+--- a/net/netfilter/ipvs/ip_vs_conn.c
++++ b/net/netfilter/ipvs/ip_vs_conn.c
+@@ -557,7 +557,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
+ /* Increase the refcnt counter of the dest */
+ atomic_inc(&dest->refcnt);
+
+- conn_flags = atomic_read(&dest->conn_flags);
++ conn_flags = atomic_read_unchecked(&dest->conn_flags);
+ if (cp->protocol != IPPROTO_UDP)
+ conn_flags &= ~IP_VS_CONN_F_ONE_PACKET;
+ flags = cp->flags;
+@@ -902,7 +902,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
+ atomic_set(&cp->refcnt, 1);
+
+ atomic_set(&cp->n_control, 0);
+- atomic_set(&cp->in_pkts, 0);
++ atomic_set_unchecked(&cp->in_pkts, 0);
+
+ atomic_inc(&ipvs->conn_count);
+ if (flags & IP_VS_CONN_F_NO_CPORT)
+@@ -1183,7 +1183,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
+
+ /* Don't drop the entry if its number of incoming packets is not
+ located in [0, 8] */
+- i = atomic_read(&cp->in_pkts);
++ i = atomic_read_unchecked(&cp->in_pkts);
+ if (i > 8 || i < 0) return 0;
+
+ if (!todrop_rate[i]) return 0;
+diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
+index b54ecce..fc5f6cf 100644
+--- a/net/netfilter/ipvs/ip_vs_core.c
++++ b/net/netfilter/ipvs/ip_vs_core.c
+@@ -562,7 +562,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
+ ret = cp->packet_xmit(skb, cp, pd->pp);
+ /* do not touch skb anymore */
+
+- atomic_inc(&cp->in_pkts);
++ atomic_inc_unchecked(&cp->in_pkts);
+ ip_vs_conn_put(cp);
+ return ret;
+ }
+@@ -1611,7 +1611,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
+ if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
+ pkts = sysctl_sync_threshold(ipvs);
+ else
+- pkts = atomic_add_return(1, &cp->in_pkts);
++ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
+
+ if (ipvs->sync_state & IP_VS_STATE_MASTER)
+ ip_vs_sync_conn(net, cp, pkts);
+diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
+index f51013c..c99ee52 100644
+--- a/net/netfilter/ipvs/ip_vs_ctl.c
++++ b/net/netfilter/ipvs/ip_vs_ctl.c
+@@ -788,7 +788,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
+ ip_vs_rs_hash(ipvs, dest);
+ write_unlock_bh(&ipvs->rs_lock);
+ }
+- atomic_set(&dest->conn_flags, conn_flags);
++ atomic_set_unchecked(&dest->conn_flags, conn_flags);
+
+ /* bind the service */
+ if (!dest->svc) {
+@@ -2076,7 +2076,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
+ " %-7s %-6d %-10d %-10d\n",
+ &dest->addr.in6,
+ ntohs(dest->port),
+- ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
++ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
+ atomic_read(&dest->weight),
+ atomic_read(&dest->activeconns),
+ atomic_read(&dest->inactconns));
+@@ -2087,7 +2087,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
+ "%-7s %-6d %-10d %-10d\n",
+ ntohl(dest->addr.ip),
+ ntohs(dest->port),
+- ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
++ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
+ atomic_read(&dest->weight),
+ atomic_read(&dest->activeconns),
+ atomic_read(&dest->inactconns));
+@@ -2557,7 +2557,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
+
+ entry.addr = dest->addr.ip;
+ entry.port = dest->port;
+- entry.conn_flags = atomic_read(&dest->conn_flags);
++ entry.conn_flags = atomic_read_unchecked(&dest->conn_flags);
+ entry.weight = atomic_read(&dest->weight);
+ entry.u_threshold = dest->u_threshold;
+ entry.l_threshold = dest->l_threshold;
+@@ -3092,7 +3092,7 @@ static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest)
+ if (nla_put(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr) ||
+ nla_put_u16(skb, IPVS_DEST_ATTR_PORT, dest->port) ||
+ nla_put_u32(skb, IPVS_DEST_ATTR_FWD_METHOD,
+- (atomic_read(&dest->conn_flags) &
++ (atomic_read_unchecked(&dest->conn_flags) &
+ IP_VS_CONN_F_FWD_MASK)) ||
+ nla_put_u32(skb, IPVS_DEST_ATTR_WEIGHT,
+ atomic_read(&dest->weight)) ||
+diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
+index effa10c..9058928 100644
+--- a/net/netfilter/ipvs/ip_vs_sync.c
++++ b/net/netfilter/ipvs/ip_vs_sync.c
+@@ -596,7 +596,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
+ cp = cp->control;
+ if (cp) {
+ if (cp->flags & IP_VS_CONN_F_TEMPLATE)
+- pkts = atomic_add_return(1, &cp->in_pkts);
++ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
+ else
+ pkts = sysctl_sync_threshold(ipvs);
+ ip_vs_sync_conn(net, cp->control, pkts);
+@@ -758,7 +758,7 @@ control:
+ if (!cp)
+ return;
+ if (cp->flags & IP_VS_CONN_F_TEMPLATE)
+- pkts = atomic_add_return(1, &cp->in_pkts);
++ pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
+ else
+ pkts = sysctl_sync_threshold(ipvs);
+ goto sloop;
+@@ -885,7 +885,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
+
+ if (opt)
+ memcpy(&cp->in_seq, opt, sizeof(*opt));
+- atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs));
++ atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs));
+ cp->state = state;
+ cp->old_state = cp->state;
+ /*
+diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
+index c3c6291..3376d73 100644
+--- a/net/netfilter/ipvs/ip_vs_xmit.c
++++ b/net/netfilter/ipvs/ip_vs_xmit.c
+@@ -1157,7 +1157,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
+ else
+ rc = NF_ACCEPT;
+ /* do not touch skb anymore */
+- atomic_inc(&cp->in_pkts);
++ atomic_inc_unchecked(&cp->in_pkts);
+ goto out;
+ }
+
+@@ -1278,7 +1278,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
+ else
+ rc = NF_ACCEPT;
+ /* do not touch skb anymore */
+- atomic_inc(&cp->in_pkts);
++ atomic_inc_unchecked(&cp->in_pkts);
+ goto out;
+ }
+
+diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
+index 2ceec64..a5b8a61 100644
+--- a/net/netfilter/nf_conntrack_core.c
++++ b/net/netfilter/nf_conntrack_core.c
+@@ -1529,6 +1529,10 @@ err_extend:
+ #define UNCONFIRMED_NULLS_VAL ((1<<30)+0)
+ #define DYING_NULLS_VAL ((1<<30)+1)
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++static atomic_unchecked_t conntrack_cache_id = ATOMIC_INIT(0);
++#endif
++
+ static int nf_conntrack_init_net(struct net *net)
+ {
+ int ret;
+@@ -1542,7 +1546,11 @@ static int nf_conntrack_init_net(struct net *net)
+ goto err_stat;
+ }
+
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08lx", atomic_inc_return_unchecked(&conntrack_cache_id));
++#else
+ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net);
++#endif
+ if (!net->ct.slabname) {
+ ret = -ENOMEM;
+ goto err_slabname;
+diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
+index 5cfb5be..217c6d8 100644
+--- a/net/netfilter/nfnetlink_log.c
++++ b/net/netfilter/nfnetlink_log.c
+@@ -70,7 +70,7 @@ struct nfulnl_instance {
+ };
+
+ static DEFINE_SPINLOCK(instances_lock);
+-static atomic_t global_seq;
++static atomic_unchecked_t global_seq;
+
+ #define INSTANCE_BUCKETS 16
+ static struct hlist_head instance_table[INSTANCE_BUCKETS];
+@@ -523,7 +523,7 @@ __build_packet_message(struct nfulnl_instance *inst,
+ /* global sequence number */
+ if ((inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) &&
+ nla_put_be32(inst->skb, NFULA_SEQ_GLOBAL,
+- htonl(atomic_inc_return(&global_seq))))
++ htonl(atomic_inc_return_unchecked(&global_seq))))
+ goto nla_put_failure;
+
+ if (data_len) {
+diff --git a/net/netfilter/xt_gradm.c b/net/netfilter/xt_gradm.c
+new file mode 100644
+index 0000000..6905327
+--- /dev/null
++++ b/net/netfilter/xt_gradm.c
+@@ -0,0 +1,51 @@
++/*
++ * gradm match for netfilter
++ * Copyright © Zbigniew Krzystolik, 2010
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License; either version
++ * 2 or 3 as published by the Free Software Foundation.
++ */
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/skbuff.h>
++#include <linux/netfilter/x_tables.h>
++#include <linux/grsecurity.h>
++#include <linux/netfilter/xt_gradm.h>
++
++static bool
++gradm_mt(const struct sk_buff *skb, struct xt_action_param *par)
++{
++ const struct xt_gradm_mtinfo *info = par->matchinfo;
++ bool retval = false;
++ if (gr_acl_is_enabled())
++ retval = true;
++ return retval ^ info->invflags;
++}
++
++static struct xt_match gradm_mt_reg __read_mostly = {
++ .name = "gradm",
++ .revision = 0,
++ .family = NFPROTO_UNSPEC,
++ .match = gradm_mt,
++ .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)),
++ .me = THIS_MODULE,
++};
++
++static int __init gradm_mt_init(void)
++{
++ return xt_register_match(&gradm_mt_reg);
++}
++
++static void __exit gradm_mt_exit(void)
++{
++ xt_unregister_match(&gradm_mt_reg);
++}
++
++module_init(gradm_mt_init);
++module_exit(gradm_mt_exit);
++MODULE_AUTHOR("Zbigniew Krzystolik <zbyniu(a)destrukcja.pl>");
++MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS("ipt_gradm");
++MODULE_ALIAS("ip6t_gradm");
+diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c
+index 4fe4fb4..87a89e5 100644
+--- a/net/netfilter/xt_statistic.c
++++ b/net/netfilter/xt_statistic.c
+@@ -19,7 +19,7 @@
+ #include <linux/module.h>
+
+ struct xt_statistic_priv {
+- atomic_t count;
++ atomic_unchecked_t count;
+ } ____cacheline_aligned_in_smp;
+
+ MODULE_LICENSE("GPL");
+@@ -42,9 +42,9 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par)
+ break;
+ case XT_STATISTIC_MODE_NTH:
+ do {
+- oval = atomic_read(&info->master->count);
++ oval = atomic_read_unchecked(&info->master->count);
+ nval = (oval == info->u.nth.every) ? 0 : oval + 1;
+- } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval);
++ } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval);
+ if (nval == 0)
+ ret = !ret;
+ break;
+@@ -64,7 +64,7 @@ static int statistic_mt_check(const struct xt_mtchk_param *par)
+ info->master = kzalloc(sizeof(*info->master), GFP_KERNEL);
+ if (info->master == NULL)
+ return -ENOMEM;
+- atomic_set(&info->master->count, info->u.nth.count);
++ atomic_set_unchecked(&info->master->count, info->u.nth.count);
+
+ return 0;
+ }
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+index 9172179..a4035c4 100644
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -769,7 +769,7 @@ static void netlink_overrun(struct sock *sk)
+ sk->sk_error_report(sk);
+ }
+ }
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ }
+
+ static struct sock *netlink_getsockbypid(struct sock *ssk, u32 pid)
+@@ -2059,7 +2059,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
+ sk_wmem_alloc_get(s),
+ nlk->cb,
+ atomic_read(&s->sk_refcnt),
+- atomic_read(&s->sk_drops),
++ atomic_read_unchecked(&s->sk_drops),
+ sock_i_ino(s)
+ );
+
+diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
+index 7261eb8..44e8ac6 100644
+--- a/net/netrom/af_netrom.c
++++ b/net/netrom/af_netrom.c
+@@ -838,6 +838,7 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr,
+ struct sock *sk = sock->sk;
+ struct nr_sock *nr = nr_sk(sk);
+
++ memset(sax, 0, sizeof(*sax));
+ lock_sock(sk);
+ if (peer != 0) {
+ if (sk->sk_state != TCP_ESTABLISHED) {
+@@ -852,7 +853,6 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr,
+ *uaddr_len = sizeof(struct full_sockaddr_ax25);
+ } else {
+ sax->fsa_ax25.sax25_family = AF_NETROM;
+- sax->fsa_ax25.sax25_ndigis = 0;
+ sax->fsa_ax25.sax25_call = nr->source_addr;
+ *uaddr_len = sizeof(struct sockaddr_ax25);
+ }
+diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
+index ddeb9aa..e18fffd 100644
+--- a/net/nfc/llcp/sock.c
++++ b/net/nfc/llcp/sock.c
+@@ -443,15 +443,11 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
+ pr_debug("sock %p sk %p flags 0x%x\n", sock, sk, flags);
+
+ if (!addr || len < sizeof(struct sockaddr_nfc) ||
+- addr->sa_family != AF_NFC) {
+- pr_err("Invalid socket\n");
++ addr->sa_family != AF_NFC)
+ return -EINVAL;
+- }
+
+- if (addr->service_name_len == 0 && addr->dsap == 0) {
+- pr_err("Missing service name or dsap\n");
++ if (addr->service_name_len == 0 && addr->dsap == 0)
+ return -EINVAL;
+- }
+
+ pr_debug("addr dev_idx=%u target_idx=%u protocol=%u\n", addr->dev_idx,
+ addr->target_idx, addr->nfc_protocol);
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index c5c9e2a..4814ab1 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -1689,7 +1689,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
+
+ spin_lock(&sk->sk_receive_queue.lock);
+ po->stats.tp_packets++;
+- skb->dropcount = atomic_read(&sk->sk_drops);
++ skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
+ __skb_queue_tail(&sk->sk_receive_queue, skb);
+ spin_unlock(&sk->sk_receive_queue.lock);
+ sk->sk_data_ready(sk, skb->len);
+@@ -1698,7 +1698,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
+ drop_n_acct:
+ spin_lock(&sk->sk_receive_queue.lock);
+ po->stats.tp_drops++;
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ spin_unlock(&sk->sk_receive_queue.lock);
+
+ drop_n_restore:
+@@ -2642,6 +2642,7 @@ out:
+
+ static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len)
+ {
++ struct sock_extended_err ee;
+ struct sock_exterr_skb *serr;
+ struct sk_buff *skb, *skb2;
+ int copied, err;
+@@ -2663,8 +2664,9 @@ static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len)
+ sock_recv_timestamp(msg, sk, skb);
+
+ serr = SKB_EXT_ERR(skb);
++ ee = serr->ee;
+ put_cmsg(msg, SOL_PACKET, PACKET_TX_TIMESTAMP,
+- sizeof(serr->ee), &serr->ee);
++ sizeof ee, &ee);
+
+ msg->msg_flags |= MSG_ERRQUEUE;
+ err = copied;
+@@ -3276,7 +3278,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
+ case PACKET_HDRLEN:
+ if (len > sizeof(int))
+ len = sizeof(int);
+- if (copy_from_user(&val, optval, len))
++ if (len > sizeof(val) || copy_from_user(&val, optval, len))
+ return -EFAULT;
+ switch (val) {
+ case TPACKET_V1:
+@@ -3315,7 +3317,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
+ len = lv;
+ if (put_user(len, optlen))
+ return -EFAULT;
+- if (copy_to_user(optval, data, len))
++ if (len > sizeof(st) || copy_to_user(optval, data, len))
+ return -EFAULT;
+ return 0;
+ }
+diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
+index 5a940db..f0b9c12 100644
+--- a/net/phonet/af_phonet.c
++++ b/net/phonet/af_phonet.c
+@@ -41,7 +41,7 @@ static struct phonet_protocol *phonet_proto_get(unsigned int protocol)
+ {
+ struct phonet_protocol *pp;
+
+- if (protocol >= PHONET_NPROTO)
++ if (protocol < 0 || protocol >= PHONET_NPROTO)
+ return NULL;
+
+ rcu_read_lock();
+@@ -469,7 +469,7 @@ int __init_or_module phonet_proto_register(unsigned int protocol,
+ {
+ int err = 0;
+
+- if (protocol >= PHONET_NPROTO)
++ if (protocol < 0 || protocol >= PHONET_NPROTO)
+ return -EINVAL;
+
+ err = proto_register(pp->prot, 1);
+diff --git a/net/phonet/pep.c b/net/phonet/pep.c
+index 576f22c..bc7a71b 100644
+--- a/net/phonet/pep.c
++++ b/net/phonet/pep.c
+@@ -388,7 +388,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
+
+ case PNS_PEP_CTRL_REQ:
+ if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ break;
+ }
+ __skb_pull(skb, 4);
+@@ -409,7 +409,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
+ }
+
+ if (pn->rx_credits == 0) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ err = -ENOBUFS;
+ break;
+ }
+@@ -580,7 +580,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb)
+ }
+
+ if (pn->rx_credits == 0) {
+- atomic_inc(&sk->sk_drops);
++ atomic_inc_unchecked(&sk->sk_drops);
+ err = NET_RX_DROP;
+ break;
+ }
+diff --git a/net/phonet/socket.c b/net/phonet/socket.c
+index 0acc943..c727611 100644
+--- a/net/phonet/socket.c
++++ b/net/phonet/socket.c
+@@ -613,8 +613,13 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
+ pn->resource, sk->sk_state,
+ sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
+ sock_i_uid(sk), sock_i_ino(sk),
+- atomic_read(&sk->sk_refcnt), sk,
+- atomic_read(&sk->sk_drops), &len);
++ atomic_read(&sk->sk_refcnt),
++#ifdef CONFIG_GRKERNSEC_HIDESYM
++ NULL,
++#else
++ sk,
++#endif
++ atomic_read_unchecked(&sk->sk_drops), &len);
+ }
+ seq_printf(seq, "%*s\n", 127 - len, "");
+ return 0;
+diff --git a/net/rds/cong.c b/net/rds/cong.c
+index e5b65ac..f3b6fb7 100644
+--- a/net/rds/cong.c
++++ b/net/rds/cong.c
+@@ -78,7 +78,7 @@
+ * finds that the saved generation number is smaller than the global generation
+ * number, it wakes up the process.
+ */
+-static atomic_t rds_cong_generation = ATOMIC_INIT(0);
++static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0);
+
+ /*
+ * Congestion monitoring
+@@ -233,7 +233,7 @@ void rds_cong_map_updated(struct rds_cong_map *map, uint64_t portmask)
+ rdsdebug("waking map %p for %pI4\n",
+ map, &map->m_addr);
+ rds_stats_inc(s_cong_update_received);
+- atomic_inc(&rds_cong_generation);
++ atomic_inc_unchecked(&rds_cong_generation);
+ if (waitqueue_active(&map->m_waitq))
+ wake_up(&map->m_waitq);
+ if (waitqueue_active(&rds_poll_waitq))
+@@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated);
+
+ int rds_cong_updated_since(unsigned long *recent)
+ {
+- unsigned long gen = atomic_read(&rds_cong_generation);
++ unsigned long gen = atomic_read_unchecked(&rds_cong_generation);
+
+ if (likely(*recent == gen))
+ return 0;
+diff --git a/net/rds/ib.h b/net/rds/ib.h
+index 8d2b3d5..227ec5b 100644
+--- a/net/rds/ib.h
++++ b/net/rds/ib.h
+@@ -128,7 +128,7 @@ struct rds_ib_connection {
+ /* sending acks */
+ unsigned long i_ack_flags;
+ #ifdef KERNEL_HAS_ATOMIC64
+- atomic64_t i_ack_next; /* next ACK to send */
++ atomic64_unchecked_t i_ack_next; /* next ACK to send */
+ #else
+ spinlock_t i_ack_lock; /* protect i_ack_next */
+ u64 i_ack_next; /* next ACK to send */
+diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
+index a1e1162..265e129 100644
+--- a/net/rds/ib_cm.c
++++ b/net/rds/ib_cm.c
+@@ -718,7 +718,7 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
+ /* Clear the ACK state */
+ clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
+ #ifdef KERNEL_HAS_ATOMIC64
+- atomic64_set(&ic->i_ack_next, 0);
++ atomic64_set_unchecked(&ic->i_ack_next, 0);
+ #else
+ ic->i_ack_next = 0;
+ #endif
+diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
+index 8d19491..05a3e65 100644
+--- a/net/rds/ib_recv.c
++++ b/net/rds/ib_recv.c
+@@ -592,7 +592,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
+ static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq,
+ int ack_required)
+ {
+- atomic64_set(&ic->i_ack_next, seq);
++ atomic64_set_unchecked(&ic->i_ack_next, seq);
+ if (ack_required) {
+ smp_mb__before_clear_bit();
+ set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
+@@ -604,7 +604,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
+ clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
+ smp_mb__after_clear_bit();
+
+- return atomic64_read(&ic->i_ack_next);
++ return atomic64_read_unchecked(&ic->i_ack_next);
+ }
+ #endif
+
+diff --git a/net/rds/iw.h b/net/rds/iw.h
+index 04ce3b1..48119a6 100644
+--- a/net/rds/iw.h
++++ b/net/rds/iw.h
+@@ -134,7 +134,7 @@ struct rds_iw_connection {
+ /* sending acks */
+ unsigned long i_ack_flags;
+ #ifdef KERNEL_HAS_ATOMIC64
+- atomic64_t i_ack_next; /* next ACK to send */
++ atomic64_unchecked_t i_ack_next; /* next ACK to send */
+ #else
+ spinlock_t i_ack_lock; /* protect i_ack_next */
+ u64 i_ack_next; /* next ACK to send */
+diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
+index a91e1db..cf3053f 100644
+--- a/net/rds/iw_cm.c
++++ b/net/rds/iw_cm.c
+@@ -663,7 +663,7 @@ void rds_iw_conn_shutdown(struct rds_connection *conn)
+ /* Clear the ACK state */
+ clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
+ #ifdef KERNEL_HAS_ATOMIC64
+- atomic64_set(&ic->i_ack_next, 0);
++ atomic64_set_unchecked(&ic->i_ack_next, 0);
+ #else
+ ic->i_ack_next = 0;
+ #endif
+diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
+index 4503335..db566b4 100644
+--- a/net/rds/iw_recv.c
++++ b/net/rds/iw_recv.c
+@@ -427,7 +427,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
+ static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq,
+ int ack_required)
+ {
+- atomic64_set(&ic->i_ack_next, seq);
++ atomic64_set_unchecked(&ic->i_ack_next, seq);
+ if (ack_required) {
+ smp_mb__before_clear_bit();
+ set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
+@@ -439,7 +439,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
+ clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
+ smp_mb__after_clear_bit();
+
+- return atomic64_read(&ic->i_ack_next);
++ return atomic64_read_unchecked(&ic->i_ack_next);
+ }
+ #endif
+
+diff --git a/net/rds/tcp.c b/net/rds/tcp.c
+index edac9ef..16bcb98 100644
+--- a/net/rds/tcp.c
++++ b/net/rds/tcp.c
+@@ -59,7 +59,7 @@ void rds_tcp_nonagle(struct socket *sock)
+ int val = 1;
+
+ set_fs(KERNEL_DS);
+- sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __user *)&val,
++ sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __force_user *)&val,
+ sizeof(val));
+ set_fs(oldfs);
+ }
+diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
+index 1b4fd68..2234175 100644
+--- a/net/rds/tcp_send.c
++++ b/net/rds/tcp_send.c
+@@ -43,7 +43,7 @@ static void rds_tcp_cork(struct socket *sock, int val)
+
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+- sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __user *)&val,
++ sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __force_user *)&val,
+ sizeof(val));
+ set_fs(oldfs);
+ }
+diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
+index 05996d0..5a1dfe0 100644
+--- a/net/rxrpc/af_rxrpc.c
++++ b/net/rxrpc/af_rxrpc.c
+@@ -39,7 +39,7 @@ static const struct proto_ops rxrpc_rpc_ops;
+ __be32 rxrpc_epoch;
+
+ /* current debugging ID */
+-atomic_t rxrpc_debug_id;
++atomic_unchecked_t rxrpc_debug_id;
+
+ /* count of skbs currently in use */
+ atomic_t rxrpc_n_skbs;
+diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
+index e4d9cbc..b229649 100644
+--- a/net/rxrpc/ar-ack.c
++++ b/net/rxrpc/ar-ack.c
+@@ -175,7 +175,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
+
+ _enter("{%d,%d,%d,%d},",
+ call->acks_hard, call->acks_unacked,
+- atomic_read(&call->sequence),
++ atomic_read_unchecked(&call->sequence),
+ CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz));
+
+ stop = 0;
+@@ -199,7 +199,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
+
+ /* each Tx packet has a new serial number */
+ sp->hdr.serial =
+- htonl(atomic_inc_return(&call->conn->serial));
++ htonl(atomic_inc_return_unchecked(&call->conn->serial));
+
+ hdr = (struct rxrpc_header *) txb->head;
+ hdr->serial = sp->hdr.serial;
+@@ -403,7 +403,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, u32 hard)
+ */
+ static void rxrpc_clear_tx_window(struct rxrpc_call *call)
+ {
+- rxrpc_rotate_tx_window(call, atomic_read(&call->sequence));
++ rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence));
+ }
+
+ /*
+@@ -629,7 +629,7 @@ process_further:
+
+ latest = ntohl(sp->hdr.serial);
+ hard = ntohl(ack.firstPacket);
+- tx = atomic_read(&call->sequence);
++ tx = atomic_read_unchecked(&call->sequence);
+
+ _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
+ latest,
+@@ -1161,7 +1161,7 @@ void rxrpc_process_call(struct work_struct *work)
+ goto maybe_reschedule;
+
+ send_ACK_with_skew:
+- ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) -
++ ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) -
+ ntohl(ack.serial));
+ send_ACK:
+ mtu = call->conn->trans->peer->if_mtu;
+@@ -1173,7 +1173,7 @@ send_ACK:
+ ackinfo.rxMTU = htonl(5692);
+ ackinfo.jumbo_max = htonl(4);
+
+- hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
++ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
+ _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
+ ntohl(hdr.serial),
+ ntohs(ack.maxSkew),
+@@ -1191,7 +1191,7 @@ send_ACK:
+ send_message:
+ _debug("send message");
+
+- hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
++ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
+ _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial));
+ send_message_2:
+
+diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c
+index a3bbb36..3341fb9 100644
+--- a/net/rxrpc/ar-call.c
++++ b/net/rxrpc/ar-call.c
+@@ -83,7 +83,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
+ spin_lock_init(&call->lock);
+ rwlock_init(&call->state_lock);
+ atomic_set(&call->usage, 1);
+- call->debug_id = atomic_inc_return(&rxrpc_debug_id);
++ call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
+ call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
+
+ memset(&call->sock_node, 0xed, sizeof(call->sock_node));
+diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
+index 4106ca9..a338d7a 100644
+--- a/net/rxrpc/ar-connection.c
++++ b/net/rxrpc/ar-connection.c
+@@ -206,7 +206,7 @@ static struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp)
+ rwlock_init(&conn->lock);
+ spin_lock_init(&conn->state_lock);
+ atomic_set(&conn->usage, 1);
+- conn->debug_id = atomic_inc_return(&rxrpc_debug_id);
++ conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
+ conn->avail_calls = RXRPC_MAXCALLS;
+ conn->size_align = 4;
+ conn->header_size = sizeof(struct rxrpc_header);
+diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c
+index e7ed43a..6afa140 100644
+--- a/net/rxrpc/ar-connevent.c
++++ b/net/rxrpc/ar-connevent.c
+@@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
+
+ len = iov[0].iov_len + iov[1].iov_len;
+
+- hdr.serial = htonl(atomic_inc_return(&conn->serial));
++ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
+ _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code);
+
+ ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
+diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c
+index 529572f..c758ca7 100644
+--- a/net/rxrpc/ar-input.c
++++ b/net/rxrpc/ar-input.c
+@@ -340,9 +340,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
+ /* track the latest serial number on this connection for ACK packet
+ * information */
+ serial = ntohl(sp->hdr.serial);
+- hi_serial = atomic_read(&call->conn->hi_serial);
++ hi_serial = atomic_read_unchecked(&call->conn->hi_serial);
+ while (serial > hi_serial)
+- hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial,
++ hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial,
+ serial);
+
+ /* request ACK generation for any ACK or DATA packet that requests
+diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
+index a693aca..81e7293 100644
+--- a/net/rxrpc/ar-internal.h
++++ b/net/rxrpc/ar-internal.h
+@@ -272,8 +272,8 @@ struct rxrpc_connection {
+ int error; /* error code for local abort */
+ int debug_id; /* debug ID for printks */
+ unsigned int call_counter; /* call ID counter */
+- atomic_t serial; /* packet serial number counter */
+- atomic_t hi_serial; /* highest serial number received */
++ atomic_unchecked_t serial; /* packet serial number counter */
++ atomic_unchecked_t hi_serial; /* highest serial number received */
+ u8 avail_calls; /* number of calls available */
+ u8 size_align; /* data size alignment (for security) */
+ u8 header_size; /* rxrpc + security header size */
+@@ -346,7 +346,7 @@ struct rxrpc_call {
+ spinlock_t lock;
+ rwlock_t state_lock; /* lock for state transition */
+ atomic_t usage;
+- atomic_t sequence; /* Tx data packet sequence counter */
++ atomic_unchecked_t sequence; /* Tx data packet sequence counter */
+ u32 abort_code; /* local/remote abort code */
+ enum { /* current state of call */
+ RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */
+@@ -420,7 +420,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
+ */
+ extern atomic_t rxrpc_n_skbs;
+ extern __be32 rxrpc_epoch;
+-extern atomic_t rxrpc_debug_id;
++extern atomic_unchecked_t rxrpc_debug_id;
+ extern struct workqueue_struct *rxrpc_workqueue;
+
+ /*
+diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c
+index 87f7135..74d3703 100644
+--- a/net/rxrpc/ar-local.c
++++ b/net/rxrpc/ar-local.c
+@@ -45,7 +45,7 @@ struct rxrpc_local *rxrpc_alloc_local(struct sockaddr_rxrpc *srx)
+ spin_lock_init(&local->lock);
+ rwlock_init(&local->services_lock);
+ atomic_set(&local->usage, 1);
+- local->debug_id = atomic_inc_return(&rxrpc_debug_id);
++ local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
+ memcpy(&local->srx, srx, sizeof(*srx));
+ }
+
+diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c
+index e1ac183..b43e10e 100644
+--- a/net/rxrpc/ar-output.c
++++ b/net/rxrpc/ar-output.c
+@@ -682,9 +682,9 @@ static int rxrpc_send_data(struct kiocb *iocb,
+ sp->hdr.cid = call->cid;
+ sp->hdr.callNumber = call->call_id;
+ sp->hdr.seq =
+- htonl(atomic_inc_return(&call->sequence));
++ htonl(atomic_inc_return_unchecked(&call->sequence));
+ sp->hdr.serial =
+- htonl(atomic_inc_return(&conn->serial));
++ htonl(atomic_inc_return_unchecked(&conn->serial));
+ sp->hdr.type = RXRPC_PACKET_TYPE_DATA;
+ sp->hdr.userStatus = 0;
+ sp->hdr.securityIndex = conn->security_ix;
+diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
+index bebaa43..2644591 100644
+--- a/net/rxrpc/ar-peer.c
++++ b/net/rxrpc/ar-peer.c
+@@ -72,7 +72,7 @@ static struct rxrpc_peer *rxrpc_alloc_peer(struct sockaddr_rxrpc *srx,
+ INIT_LIST_HEAD(&peer->error_targets);
+ spin_lock_init(&peer->lock);
+ atomic_set(&peer->usage, 1);
+- peer->debug_id = atomic_inc_return(&rxrpc_debug_id);
++ peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
+ memcpy(&peer->srx, srx, sizeof(*srx));
+
+ rxrpc_assess_MTU_size(peer);
+diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c
+index 38047f7..9f48511 100644
+--- a/net/rxrpc/ar-proc.c
++++ b/net/rxrpc/ar-proc.c
+@@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
+ atomic_read(&conn->usage),
+ rxrpc_conn_states[conn->state],
+ key_serial(conn->key),
+- atomic_read(&conn->serial),
+- atomic_read(&conn->hi_serial));
++ atomic_read_unchecked(&conn->serial),
++ atomic_read_unchecked(&conn->hi_serial));
+
+ return 0;
+ }
+diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c
+index 92df566..87ec1bf 100644
+--- a/net/rxrpc/ar-transport.c
++++ b/net/rxrpc/ar-transport.c
+@@ -47,7 +47,7 @@ static struct rxrpc_transport *rxrpc_alloc_transport(struct rxrpc_local *local,
+ spin_lock_init(&trans->client_lock);
+ rwlock_init(&trans->conn_lock);
+ atomic_set(&trans->usage, 1);
+- trans->debug_id = atomic_inc_return(&rxrpc_debug_id);
++ trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
+
+ if (peer->srx.transport.family == AF_INET) {
+ switch (peer->srx.transport_type) {
+diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
+index f226709..0e735a8 100644
+--- a/net/rxrpc/rxkad.c
++++ b/net/rxrpc/rxkad.c
+@@ -610,7 +610,7 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn)
+
+ len = iov[0].iov_len + iov[1].iov_len;
+
+- hdr.serial = htonl(atomic_inc_return(&conn->serial));
++ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
+ _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial));
+
+ ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
+@@ -660,7 +660,7 @@ static int rxkad_send_response(struct rxrpc_connection *conn,
+
+ len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len;
+
+- hdr->serial = htonl(atomic_inc_return(&conn->serial));
++ hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial));
+ _proto("Tx RESPONSE %%%u", ntohl(hdr->serial));
+
+ ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len);
+diff --git a/net/sctp/proc.c b/net/sctp/proc.c
+index 1e2eee8..ce3967e 100644
+--- a/net/sctp/proc.c
++++ b/net/sctp/proc.c
+@@ -319,7 +319,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
+ seq_printf(seq,
+ "%8pK %8pK %-3d %-3d %-2d %-4d "
+ "%4d %8d %8d %7d %5lu %-5d %5d ",
+- assoc, sk, sctp_sk(sk)->type, sk->sk_state,
++ assoc, sk,
++ sctp_sk(sk)->type, sk->sk_state,
+ assoc->state, hash,
+ assoc->assoc_id,
+ assoc->sndbuf_used,
+diff --git a/net/sctp/socket.c b/net/sctp/socket.c
+index 5e25981..dbda919 100644
+--- a/net/sctp/socket.c
++++ b/net/sctp/socket.c
+@@ -4630,6 +4630,8 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
+ addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
+ if (space_left < addrlen)
+ return -ENOMEM;
++ if (addrlen > sizeof(temp) || addrlen < 0)
++ return -EFAULT;
+ if (copy_to_user(to, &temp, addrlen))
+ return -EFAULT;
+ to += addrlen;
+diff --git a/net/socket.c b/net/socket.c
+index edc3c4a..4b4e4a8 100644
+--- a/net/socket.c
++++ b/net/socket.c
+@@ -88,6 +88,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/magic.h>
+ #include <linux/slab.h>
++#include <linux/in.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -105,6 +106,8 @@
+ #include <linux/sockios.h>
+ #include <linux/atalk.h>
+
++#include <linux/grsock.h>
++
+ static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
+ static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos);
+@@ -321,7 +324,7 @@ static struct dentry *sockfs_mount(struct file_system_type *fs_type,
+ &sockfs_dentry_operations, SOCKFS_MAGIC);
+ }
+
+-static struct vfsmount *sock_mnt __read_mostly;
++struct vfsmount *sock_mnt __read_mostly;
+
+ static struct file_system_type sock_fs_type = {
+ .name = "sockfs",
+@@ -1209,6 +1212,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
+ return -EAFNOSUPPORT;
+ if (type < 0 || type >= SOCK_MAX)
+ return -EINVAL;
++ if (protocol < 0)
++ return -EINVAL;
+
+ /* Compatibility.
+
+@@ -1340,6 +1345,16 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol)
+ if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
+ flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
+
++ if(!gr_search_socket(family, type, protocol)) {
++ retval = -EACCES;
++ goto out;
++ }
++
++ if (gr_handle_sock_all(family, type, protocol)) {
++ retval = -EACCES;
++ goto out;
++ }
++
+ retval = sock_create(family, type, protocol, &sock);
+ if (retval < 0)
+ goto out;
+@@ -1452,6 +1467,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
+ if (sock) {
+ err = move_addr_to_kernel(umyaddr, addrlen, &address);
+ if (err >= 0) {
++ if (gr_handle_sock_server((struct sockaddr *)&address)) {
++ err = -EACCES;
++ goto error;
++ }
++ err = gr_search_bind(sock, (struct sockaddr_in *)&address);
++ if (err)
++ goto error;
++
+ err = security_socket_bind(sock,
+ (struct sockaddr *)&address,
+ addrlen);
+@@ -1460,6 +1483,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
+ (struct sockaddr *)
+ &address, addrlen);
+ }
++error:
+ fput_light(sock->file, fput_needed);
+ }
+ return err;
+@@ -1483,10 +1507,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog)
+ if ((unsigned int)backlog > somaxconn)
+ backlog = somaxconn;
+
++ if (gr_handle_sock_server_other(sock->sk)) {
++ err = -EPERM;
++ goto error;
++ }
++
++ err = gr_search_listen(sock);
++ if (err)
++ goto error;
++
+ err = security_socket_listen(sock, backlog);
+ if (!err)
+ err = sock->ops->listen(sock, backlog);
+
++error:
+ fput_light(sock->file, fput_needed);
+ }
+ return err;
+@@ -1530,6 +1564,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
+ newsock->type = sock->type;
+ newsock->ops = sock->ops;
+
++ if (gr_handle_sock_server_other(sock->sk)) {
++ err = -EPERM;
++ sock_release(newsock);
++ goto out_put;
++ }
++
++ err = gr_search_accept(sock);
++ if (err) {
++ sock_release(newsock);
++ goto out_put;
++ }
++
+ /*
+ * We don't need try_module_get here, as the listening socket (sock)
+ * has the protocol module (sock->ops->owner) held.
+@@ -1568,6 +1614,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
+ fd_install(newfd, newfile);
+ err = newfd;
+
++ gr_attach_curr_ip(newsock->sk);
++
+ out_put:
+ fput_light(sock->file, fput_needed);
+ out:
+@@ -1600,6 +1648,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
+ int, addrlen)
+ {
+ struct socket *sock;
++ struct sockaddr *sck;
+ struct sockaddr_storage address;
+ int err, fput_needed;
+
+@@ -1610,6 +1659,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
+ if (err < 0)
+ goto out_put;
+
++ sck = (struct sockaddr *)&address;
++
++ if (gr_handle_sock_client(sck)) {
++ err = -EACCES;
++ goto out_put;
++ }
++
++ err = gr_search_connect(sock, (struct sockaddr_in *)sck);
++ if (err)
++ goto out_put;
++
+ err =
+ security_socket_connect(sock, (struct sockaddr *)&address, addrlen);
+ if (err)
+@@ -1964,7 +2024,7 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
+ * checking falls down on this.
+ */
+ if (copy_from_user(ctl_buf,
+- (void __user __force *)msg_sys->msg_control,
++ (void __force_user *)msg_sys->msg_control,
+ ctl_len))
+ goto out_freectl;
+ msg_sys->msg_control = ctl_buf;
+@@ -2132,7 +2192,7 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+ * kernel msghdr to use the kernel address space)
+ */
+
+- uaddr = (__force void __user *)msg_sys->msg_name;
++ uaddr = (void __force_user *)msg_sys->msg_name;
+ uaddr_len = COMPAT_NAMELEN(msg);
+ if (MSG_CMSG_COMPAT & flags) {
+ err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
+@@ -2761,7 +2821,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
+ }
+
+ ifr = compat_alloc_user_space(buf_size);
+- rxnfc = (void *)ifr + ALIGN(sizeof(struct ifreq), 8);
++ rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8);
+
+ if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+ return -EFAULT;
+@@ -2785,12 +2845,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
+ offsetof(struct ethtool_rxnfc, fs.ring_cookie));
+
+ if (copy_in_user(rxnfc, compat_rxnfc,
+- (void *)(&rxnfc->fs.m_ext + 1) -
+- (void *)rxnfc) ||
++ (void __user *)(&rxnfc->fs.m_ext + 1) -
++ (void __user *)rxnfc) ||
+ copy_in_user(&rxnfc->fs.ring_cookie,
+ &compat_rxnfc->fs.ring_cookie,
+- (void *)(&rxnfc->fs.location + 1) -
+- (void *)&rxnfc->fs.ring_cookie) ||
++ (void __user *)(&rxnfc->fs.location + 1) -
++ (void __user *)&rxnfc->fs.ring_cookie) ||
+ copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
+ sizeof(rxnfc->rule_cnt)))
+ return -EFAULT;
+@@ -2802,12 +2862,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
+
+ if (convert_out) {
+ if (copy_in_user(compat_rxnfc, rxnfc,
+- (const void *)(&rxnfc->fs.m_ext + 1) -
+- (const void *)rxnfc) ||
++ (const void __user *)(&rxnfc->fs.m_ext + 1) -
++ (const void __user *)rxnfc) ||
+ copy_in_user(&compat_rxnfc->fs.ring_cookie,
+ &rxnfc->fs.ring_cookie,
+- (const void *)(&rxnfc->fs.location + 1) -
+- (const void *)&rxnfc->fs.ring_cookie) ||
++ (const void __user *)(&rxnfc->fs.location + 1) -
++ (const void __user *)&rxnfc->fs.ring_cookie) ||
+ copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt,
+ sizeof(rxnfc->rule_cnt)))
+ return -EFAULT;
+@@ -2877,7 +2937,7 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ err = dev_ioctl(net, cmd,
+- (struct ifreq __user __force *) &kifr);
++ (struct ifreq __force_user *) &kifr);
+ set_fs(old_fs);
+
+ return err;
+@@ -2986,7 +3046,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
+
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+- err = dev_ioctl(net, cmd, (void __user __force *)&ifr);
++ err = dev_ioctl(net, cmd, (void __force_user *)&ifr);
+ set_fs(old_fs);
+
+ if (cmd == SIOCGIFMAP && !err) {
+@@ -3091,7 +3151,7 @@ static int routing_ioctl(struct net *net, struct socket *sock,
+ ret |= __get_user(rtdev, &(ur4->rt_dev));
+ if (rtdev) {
+ ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
+- r4.rt_dev = (char __user __force *)devname;
++ r4.rt_dev = (char __force_user *)devname;
+ devname[15] = 0;
+ } else
+ r4.rt_dev = NULL;
+@@ -3317,8 +3377,8 @@ int kernel_getsockopt(struct socket *sock, int level, int optname,
+ int __user *uoptlen;
+ int err;
+
+- uoptval = (char __user __force *) optval;
+- uoptlen = (int __user __force *) optlen;
++ uoptval = (char __force_user *) optval;
++ uoptlen = (int __force_user *) optlen;
+
+ set_fs(KERNEL_DS);
+ if (level == SOL_SOCKET)
+@@ -3338,7 +3398,7 @@ int kernel_setsockopt(struct socket *sock, int level, int optname,
+ char __user *uoptval;
+ int err;
+
+- uoptval = (char __user __force *) optval;
++ uoptval = (char __force_user *) optval;
+
+ set_fs(KERNEL_DS);
+ if (level == SOL_SOCKET)
+diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
+index 128494e..775d0e0 100644
+--- a/net/sunrpc/sched.c
++++ b/net/sunrpc/sched.c
+@@ -240,9 +240,9 @@ static int rpc_wait_bit_killable(void *word)
+ #ifdef RPC_DEBUG
+ static void rpc_task_set_debuginfo(struct rpc_task *task)
+ {
+- static atomic_t rpc_pid;
++ static atomic_unchecked_t rpc_pid;
+
+- task->tk_pid = atomic_inc_return(&rpc_pid);
++ task->tk_pid = atomic_inc_return_unchecked(&rpc_pid);
+ }
+ #else
+ static inline void rpc_task_set_debuginfo(struct rpc_task *task)
+diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
+index 8343737..677025e 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma.c
++++ b/net/sunrpc/xprtrdma/svc_rdma.c
+@@ -62,15 +62,15 @@ unsigned int svcrdma_max_req_size = RPCRDMA_MAX_REQ_SIZE;
+ static unsigned int min_max_inline = 4096;
+ static unsigned int max_max_inline = 65536;
+
+-atomic_t rdma_stat_recv;
+-atomic_t rdma_stat_read;
+-atomic_t rdma_stat_write;
+-atomic_t rdma_stat_sq_starve;
+-atomic_t rdma_stat_rq_starve;
+-atomic_t rdma_stat_rq_poll;
+-atomic_t rdma_stat_rq_prod;
+-atomic_t rdma_stat_sq_poll;
+-atomic_t rdma_stat_sq_prod;
++atomic_unchecked_t rdma_stat_recv;
++atomic_unchecked_t rdma_stat_read;
++atomic_unchecked_t rdma_stat_write;
++atomic_unchecked_t rdma_stat_sq_starve;
++atomic_unchecked_t rdma_stat_rq_starve;
++atomic_unchecked_t rdma_stat_rq_poll;
++atomic_unchecked_t rdma_stat_rq_prod;
++atomic_unchecked_t rdma_stat_sq_poll;
++atomic_unchecked_t rdma_stat_sq_prod;
+
+ /* Temporary NFS request map and context caches */
+ struct kmem_cache *svc_rdma_map_cachep;
+@@ -110,7 +110,7 @@ static int read_reset_stat(ctl_table *table, int write,
+ len -= *ppos;
+ if (len > *lenp)
+ len = *lenp;
+- if (len && copy_to_user(buffer, str_buf, len))
++ if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len)))
+ return -EFAULT;
+ *lenp = len;
+ *ppos += len;
+@@ -151,63 +151,63 @@ static ctl_table svcrdma_parm_table[] = {
+ {
+ .procname = "rdma_stat_read",
+ .data = &rdma_stat_read,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_recv",
+ .data = &rdma_stat_recv,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_write",
+ .data = &rdma_stat_write,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_sq_starve",
+ .data = &rdma_stat_sq_starve,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_rq_starve",
+ .data = &rdma_stat_rq_starve,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_rq_poll",
+ .data = &rdma_stat_rq_poll,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_rq_prod",
+ .data = &rdma_stat_rq_prod,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_sq_poll",
+ .data = &rdma_stat_sq_poll,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+ {
+ .procname = "rdma_stat_sq_prod",
+ .data = &rdma_stat_sq_prod,
+- .maxlen = sizeof(atomic_t),
++ .maxlen = sizeof(atomic_unchecked_t),
+ .mode = 0644,
+ .proc_handler = read_reset_stat,
+ },
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+index 41cb63b..c4a1489 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+@@ -501,7 +501,7 @@ next_sge:
+ svc_rdma_put_context(ctxt, 0);
+ goto out;
+ }
+- atomic_inc(&rdma_stat_read);
++ atomic_inc_unchecked(&rdma_stat_read);
+
+ if (read_wr.num_sge < chl_map->ch[ch_no].count) {
+ chl_map->ch[ch_no].count -= read_wr.num_sge;
+@@ -611,7 +611,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
+ dto_q);
+ list_del_init(&ctxt->dto_q);
+ } else {
+- atomic_inc(&rdma_stat_rq_starve);
++ atomic_inc_unchecked(&rdma_stat_rq_starve);
+ clear_bit(XPT_DATA, &xprt->xpt_flags);
+ ctxt = NULL;
+ }
+@@ -631,7 +631,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
+ dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n",
+ ctxt, rdma_xprt, rqstp, ctxt->wc_status);
+ BUG_ON(ctxt->wc_status != IB_WC_SUCCESS);
+- atomic_inc(&rdma_stat_recv);
++ atomic_inc_unchecked(&rdma_stat_recv);
+
+ /* Build up the XDR from the receive buffers. */
+ rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len);
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+index 42eb7ba..c887c45 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+@@ -362,7 +362,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
+ write_wr.wr.rdma.remote_addr = to;
+
+ /* Post It */
+- atomic_inc(&rdma_stat_write);
++ atomic_inc_unchecked(&rdma_stat_write);
+ if (svc_rdma_send(xprt, &write_wr))
+ goto err;
+ return 0;
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
+index 73b428b..5f3f8f3 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
+@@ -292,7 +292,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
+ return;
+
+ ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP);
+- atomic_inc(&rdma_stat_rq_poll);
++ atomic_inc_unchecked(&rdma_stat_rq_poll);
+
+ while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) {
+ ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id;
+@@ -314,7 +314,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
+ }
+
+ if (ctxt)
+- atomic_inc(&rdma_stat_rq_prod);
++ atomic_inc_unchecked(&rdma_stat_rq_prod);
+
+ set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
+ /*
+@@ -386,7 +386,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
+ return;
+
+ ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP);
+- atomic_inc(&rdma_stat_sq_poll);
++ atomic_inc_unchecked(&rdma_stat_sq_poll);
+ while ((ret = ib_poll_cq(cq, 1, &wc)) > 0) {
+ if (wc.status != IB_WC_SUCCESS)
+ /* Close the transport */
+@@ -404,7 +404,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
+ }
+
+ if (ctxt)
+- atomic_inc(&rdma_stat_sq_prod);
++ atomic_inc_unchecked(&rdma_stat_sq_prod);
+ }
+
+ static void sq_comp_handler(struct ib_cq *cq, void *cq_context)
+@@ -1266,7 +1266,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
+ spin_lock_bh(&xprt->sc_lock);
+ if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) {
+ spin_unlock_bh(&xprt->sc_lock);
+- atomic_inc(&rdma_stat_sq_starve);
++ atomic_inc_unchecked(&rdma_stat_sq_starve);
+
+ /* See if we can opportunistically reap SQ WR to make room */
+ sq_cq_reap(xprt);
+diff --git a/net/sysctl_net.c b/net/sysctl_net.c
+index e3a6e37..be2ea77 100644
+--- a/net/sysctl_net.c
++++ b/net/sysctl_net.c
+@@ -43,7 +43,7 @@ static int net_ctl_permissions(struct ctl_table_root *root,
+ struct ctl_table *table)
+ {
+ /* Allow network administrator to have same access as root. */
+- if (capable(CAP_NET_ADMIN)) {
++ if (capable_nolog(CAP_NET_ADMIN)) {
+ int mode = (table->mode >> 6) & 7;
+ return (mode << 6) | (mode << 3) | mode;
+ }
+diff --git a/net/tipc/link.c b/net/tipc/link.c
+index 1c1e615..113e0ae 100644
+--- a/net/tipc/link.c
++++ b/net/tipc/link.c
+@@ -1171,7 +1171,7 @@ static int link_send_sections_long(struct tipc_port *sender,
+ struct tipc_msg fragm_hdr;
+ struct sk_buff *buf, *buf_chain, *prev;
+ u32 fragm_crs, fragm_rest, hsz, sect_rest;
+- const unchar *sect_crs;
++ const unchar __user *sect_crs;
+ int curr_sect;
+ u32 fragm_no;
+
+@@ -1212,7 +1212,7 @@ again:
+
+ if (!sect_rest) {
+ sect_rest = msg_sect[++curr_sect].iov_len;
+- sect_crs = (const unchar *)msg_sect[curr_sect].iov_base;
++ sect_crs = (const unchar __user *)msg_sect[curr_sect].iov_base;
+ }
+
+ if (sect_rest < fragm_rest)
+@@ -1231,7 +1231,7 @@ error:
+ }
+ } else
+ skb_copy_to_linear_data_offset(buf, fragm_crs,
+- sect_crs, sz);
++ (const void __force_kernel *)sect_crs, sz);
+ sect_crs += sz;
+ sect_rest -= sz;
+ fragm_crs += sz;
+diff --git a/net/tipc/msg.c b/net/tipc/msg.c
+index f2db8a8..9245aa4 100644
+--- a/net/tipc/msg.c
++++ b/net/tipc/msg.c
+@@ -98,7 +98,7 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
+ msg_sect[cnt].iov_len);
+ else
+ skb_copy_to_linear_data_offset(*buf, pos,
+- msg_sect[cnt].iov_base,
++ (const void __force_kernel *)msg_sect[cnt].iov_base,
+ msg_sect[cnt].iov_len);
+ pos += msg_sect[cnt].iov_len;
+ }
+diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
+index 5ed5965..90abe34 100644
+--- a/net/tipc/subscr.c
++++ b/net/tipc/subscr.c
+@@ -96,7 +96,7 @@ static void subscr_send_event(struct tipc_subscription *sub,
+ {
+ struct iovec msg_sect;
+
+- msg_sect.iov_base = (void *)&sub->evt;
++ msg_sect.iov_base = (void __force_user *)&sub->evt;
+ msg_sect.iov_len = sizeof(struct tipc_event);
+
+ sub->evt.event = htohl(event, sub->swap);
+diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
+index c5ee4ff..e905948 100644
+--- a/net/unix/af_unix.c
++++ b/net/unix/af_unix.c
+@@ -789,6 +789,12 @@ static struct sock *unix_find_other(struct net *net,
+ err = -ECONNREFUSED;
+ if (!S_ISSOCK(inode->i_mode))
+ goto put_fail;
++
++ if (!gr_acl_handle_unix(path.dentry, path.mnt)) {
++ err = -EACCES;
++ goto put_fail;
++ }
++
+ u = unix_find_socket_byinode(inode);
+ if (!u)
+ goto put_fail;
+@@ -809,6 +815,13 @@ static struct sock *unix_find_other(struct net *net,
+ if (u) {
+ struct dentry *dentry;
+ dentry = unix_sk(u)->path.dentry;
++
++ if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) {
++ err = -EPERM;
++ sock_put(u);
++ goto fail;
++ }
++
+ if (dentry)
+ touch_atime(&unix_sk(u)->path);
+ } else
+@@ -842,12 +855,18 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
+ */
+ err = security_path_mknod(&path, dentry, mode, 0);
+ if (!err) {
++ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
++ err = -EACCES;
++ goto out;
++ }
+ err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
+ if (!err) {
+ res->mnt = mntget(path.mnt);
+ res->dentry = dget(dentry);
++ gr_handle_create(dentry, path.mnt);
+ }
+ }
++out:
+ done_path_create(&path, dentry);
+ return err;
+ }
+diff --git a/net/wireless/core.h b/net/wireless/core.h
+index bc7430b..35349de 100644
+--- a/net/wireless/core.h
++++ b/net/wireless/core.h
+@@ -28,7 +28,7 @@ struct cfg80211_registered_device {
+ struct mutex mtx;
+
+ /* rfkill support */
+- struct rfkill_ops rfkill_ops;
++ rfkill_ops_no_const rfkill_ops;
+ struct rfkill *rfkill;
+ struct work_struct rfkill_sync;
+
+diff --git a/net/wireless/util.c b/net/wireless/util.c
+index 994e2f0..f67aeb1 100644
+--- a/net/wireless/util.c
++++ b/net/wireless/util.c
+@@ -309,7 +309,7 @@ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb)
+ }
+ EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb);
+
+-static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
++unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
+ {
+ int ae = meshhdr->flags & MESH_FLAGS_AE;
+ /* 7.1.3.5a.2 */
+@@ -326,6 +326,7 @@ static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
+ return 6;
+ }
+ }
++EXPORT_SYMBOL(ieee80211_get_mesh_hdrlen);
+
+ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
+ enum nl80211_iftype iftype)
+diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
+index b0eb7aa..7d73e82 100644
+--- a/net/wireless/wext-core.c
++++ b/net/wireless/wext-core.c
+@@ -748,8 +748,7 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
+ */
+
+ /* Support for very large requests */
+- if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
+- (user_length > descr->max_tokens)) {
++ if (user_length > descr->max_tokens) {
+ /* Allow userspace to GET more than max so
+ * we can support any size GET requests.
+ * There is still a limit : -ENOMEM.
+@@ -788,22 +787,6 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
+ }
+ }
+
+- if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) {
+- /*
+- * If this is a GET, but not NOMAX, it means that the extra
+- * data is not bounded by userspace, but by max_tokens. Thus
+- * set the length to max_tokens. This matches the extra data
+- * allocation.
+- * The driver should fill it with the number of tokens it
+- * provided, and it may check iwp->length rather than having
+- * knowledge of max_tokens. If the driver doesn't change the
+- * iwp->length, this ioctl just copies back max_token tokens
+- * filled with zeroes. Hopefully the driver isn't claiming
+- * them to be valid data.
+- */
+- iwp->length = descr->max_tokens;
+- }
+-
+ err = handler(dev, info, (union iwreq_data *) iwp, extra);
+
+ iwp->length += essid_compat;
+diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
+index 387848e..a6667a2 100644
+--- a/net/xfrm/xfrm_policy.c
++++ b/net/xfrm/xfrm_policy.c
+@@ -300,7 +300,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy)
+ {
+ policy->walk.dead = 1;
+
+- atomic_inc(&policy->genid);
++ atomic_inc_unchecked(&policy->genid);
+
+ if (del_timer(&policy->timer))
+ xfrm_pol_put(policy);
+@@ -584,7 +584,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
+ hlist_add_head(&policy->bydst, chain);
+ xfrm_pol_hold(policy);
+ net->xfrm.policy_count[dir]++;
+- atomic_inc(&flow_cache_genid);
++ atomic_inc_unchecked(&flow_cache_genid);
+ rt_genid_bump(net);
+ if (delpol)
+ __xfrm_policy_unlink(delpol, dir);
+@@ -1533,7 +1533,7 @@ free_dst:
+ goto out;
+ }
+
+-static int inline
++static inline int
+ xfrm_dst_alloc_copy(void **target, const void *src, int size)
+ {
+ if (!*target) {
+@@ -1545,7 +1545,7 @@ xfrm_dst_alloc_copy(void **target, const void *src, int size)
+ return 0;
+ }
+
+-static int inline
++static inline int
+ xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel)
+ {
+ #ifdef CONFIG_XFRM_SUB_POLICY
+@@ -1557,7 +1557,7 @@ xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel)
+ #endif
+ }
+
+-static int inline
++static inline int
+ xfrm_dst_update_origin(struct dst_entry *dst, const struct flowi *fl)
+ {
+ #ifdef CONFIG_XFRM_SUB_POLICY
+@@ -1651,7 +1651,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
+
+ xdst->num_pols = num_pols;
+ memcpy(xdst->pols, pols, sizeof(struct xfrm_policy*) * num_pols);
+- xdst->policy_genid = atomic_read(&pols[0]->genid);
++ xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid);
+
+ return xdst;
+ }
+@@ -2352,7 +2352,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first)
+ if (xdst->xfrm_genid != dst->xfrm->genid)
+ return 0;
+ if (xdst->num_pols > 0 &&
+- xdst->policy_genid != atomic_read(&xdst->pols[0]->genid))
++ xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid))
+ return 0;
+
+ mtu = dst_mtu(dst->child);
+@@ -2891,7 +2891,7 @@ static int xfrm_policy_migrate(struct xfrm_policy *pol,
+ sizeof(pol->xfrm_vec[i].saddr));
+ pol->xfrm_vec[i].encap_family = mp->new_family;
+ /* flush bundles */
+- atomic_inc(&pol->genid);
++ atomic_inc_unchecked(&pol->genid);
+ }
+ }
+
+diff --git a/scripts/Makefile.build b/scripts/Makefile.build
+index ff1720d..ed8475e 100644
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -111,7 +111,7 @@ endif
+ endif
+
+ # Do not include host rules unless needed
+-ifneq ($(hostprogs-y)$(hostprogs-m),)
++ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
+ include scripts/Makefile.host
+ endif
+
+diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
+index 686cb0d..9d653bf 100644
+--- a/scripts/Makefile.clean
++++ b/scripts/Makefile.clean
+@@ -43,7 +43,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
+ __clean-files := $(extra-y) $(always) \
+ $(targets) $(clean-files) \
+ $(host-progs) \
+- $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
++ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
++ $(hostlibs-y) $(hostlibs-m) $(hostlibs-)
+
+ __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
+
+diff --git a/scripts/Makefile.host b/scripts/Makefile.host
+index 1ac414f..38575f7 100644
+--- a/scripts/Makefile.host
++++ b/scripts/Makefile.host
+@@ -31,6 +31,8 @@
+ # Note: Shared libraries consisting of C++ files are not supported
+
+ __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
++__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m))
++__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
+
+ # C code
+ # Executables compiled from a single .c file
+@@ -54,11 +56,15 @@ host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
+ # Shared libaries (only .c supported)
+ # Shared libraries (.so) - all .so files referenced in "xxx-objs"
+ host-cshlib := $(sort $(filter %.so, $(host-cobjs)))
++host-cshlib += $(sort $(filter %.so, $(__hostlibs)))
++host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs)))
+ # Remove .so files from "xxx-objs"
+ host-cobjs := $(filter-out %.so,$(host-cobjs))
++host-cxxobjs := $(filter-out %.so,$(host-cxxobjs))
+
+-#Object (.o) files used by the shared libaries
++# Object (.o) files used by the shared libaries
+ host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
++host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
+
+ # output directory for programs/.o files
+ # hostprogs-y := tools/build may have been specified. Retrieve directory
+@@ -82,7 +88,9 @@ host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
+ host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti))
+ host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
+ host-cshlib := $(addprefix $(obj)/,$(host-cshlib))
++host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib))
+ host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs))
++host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs))
+ host-objdirs := $(addprefix $(obj)/,$(host-objdirs))
+
+ obj-dirs += $(host-objdirs)
+@@ -156,6 +164,13 @@ quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
+ $(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
+ $(call if_changed_dep,host-cshobjs)
+
++# Compile .c file, create position independent .o file
++# host-cxxshobjs -> .o
++quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
++ cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
++$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
++ $(call if_changed_dep,host-cxxshobjs)
++
+ # Link a shared library, based on position independent .o files
+ # *.o -> .so shared library (host-cshlib)
+ quiet_cmd_host-cshlib = HOSTLLD -shared $@
+@@ -165,6 +180,15 @@ quiet_cmd_host-cshlib = HOSTLLD -shared $@
+ $(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
+ $(call if_changed,host-cshlib)
+
++# Link a shared library, based on position independent .o files
++# *.o -> .so shared library (host-cxxshlib)
++quiet_cmd_host-cxxshlib = HOSTLLD -shared $@
++ cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \
++ $(addprefix $(obj)/,$($(@F:.so=-objs))) \
++ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
++$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE
++ $(call if_changed,host-cxxshlib)
++
+ targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\
+- $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs)
++ $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs)
+
+diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
+index cb1f50c..cef2a7c 100644
+--- a/scripts/basic/fixdep.c
++++ b/scripts/basic/fixdep.c
+@@ -161,7 +161,7 @@ static unsigned int strhash(const char *str, unsigned int sz)
+ /*
+ * Lookup a value in the configuration string.
+ */
+-static int is_defined_config(const char *name, int len, unsigned int hash)
++static int is_defined_config(const char *name, unsigned int len, unsigned int hash)
+ {
+ struct item *aux;
+
+@@ -211,10 +211,10 @@ static void clear_config(void)
+ /*
+ * Record the use of a CONFIG_* word.
+ */
+-static void use_config(const char *m, int slen)
++static void use_config(const char *m, unsigned int slen)
+ {
+ unsigned int hash = strhash(m, slen);
+- int c, i;
++ unsigned int c, i;
+
+ if (is_defined_config(m, slen, hash))
+ return;
+@@ -235,9 +235,9 @@ static void use_config(const char *m, int slen)
+
+ static void parse_config_file(const char *map, size_t len)
+ {
+- const int *end = (const int *) (map + len);
++ const unsigned int *end = (const unsigned int *) (map + len);
+ /* start at +1, so that p can never be < map */
+- const int *m = (const int *) map + 1;
++ const unsigned int *m = (const unsigned int *) map + 1;
+ const char *p, *q;
+
+ for (; m < end; m++) {
+@@ -406,7 +406,7 @@ static void print_deps(void)
+ static void traps(void)
+ {
+ static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
+- int *p = (int *)test;
++ unsigned int *p = (unsigned int *)test;
+
+ if (*p != INT_CONF) {
+ fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
+diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh
+new file mode 100644
+index 0000000..008ac1a
+--- /dev/null
++++ b/scripts/gcc-plugin.sh
+@@ -0,0 +1,17 @@
++#!/bin/bash
++plugincc=`$1 -x c -shared - -o /dev/null -I\`$3 -print-file-name=plugin\`/include 2>&1 <<EOF
++#include "gcc-plugin.h"
++#include "tree.h"
++#include "tm.h"
++#include "rtl.h"
++#ifdef ENABLE_BUILD_WITH_CXX
++#warning $2
++#else
++#warning $1
++#endif
++EOF`
++if [ $? -eq 0 ]
++then
++ [[ "$plugincc" =~ "$1" ]] && echo "$1"
++ [[ "$plugincc" =~ "$2" ]] && echo "$2"
++fi
+diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
+index b3d907e..a4782ab 100644
+--- a/scripts/link-vmlinux.sh
++++ b/scripts/link-vmlinux.sh
+@@ -152,7 +152,7 @@ else
+ fi;
+
+ # final build of init/
+-${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
++${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" GCC_PLUGINS_AFLAGS="${GCC_PLUGINS_AFLAGS}"
+
+ kallsymso=""
+ kallsyms_vmlinux=""
+diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
+index 7ed6864..b6e90e6 100644
+--- a/scripts/mod/file2alias.c
++++ b/scripts/mod/file2alias.c
+@@ -128,7 +128,7 @@ static void device_id_check(const char *modname, const char *device_id,
+ unsigned long size, unsigned long id_size,
+ void *symval)
+ {
+- int i;
++ unsigned int i;
+
+ if (size % id_size || size < id_size) {
+ if (cross_build != 0)
+@@ -158,7 +158,7 @@ static void device_id_check(const char *modname, const char *device_id,
+ /* USB is special because the bcdDevice can be matched against a numeric range */
+ /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
+ static void do_usb_entry(struct usb_device_id *id,
+- unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
++ unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits,
+ unsigned char range_lo, unsigned char range_hi,
+ unsigned char max, struct module *mod)
+ {
+@@ -262,7 +262,7 @@ static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
+ {
+ unsigned int devlo, devhi;
+ unsigned char chi, clo, max;
+- int ndigits;
++ unsigned int ndigits;
+
+ id->match_flags = TO_NATIVE(id->match_flags);
+ id->idVendor = TO_NATIVE(id->idVendor);
+@@ -507,7 +507,7 @@ static void do_pnp_device_entry(void *symval, unsigned long size,
+ for (i = 0; i < count; i++) {
+ const char *id = (char *)devs[i].id;
+ char acpi_id[sizeof(devs[0].id)];
+- int j;
++ unsigned int j;
+
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
+@@ -537,7 +537,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
+
+ for (j = 0; j < PNP_MAX_DEVICES; j++) {
+ const char *id = (char *)card->devs[j].id;
+- int i2, j2;
++ unsigned int i2, j2;
+ int dup = 0;
+
+ if (!id[0])
+@@ -563,7 +563,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
+ /* add an individual alias for every device entry */
+ if (!dup) {
+ char acpi_id[sizeof(card->devs[0].id)];
+- int k;
++ unsigned int k;
+
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
+@@ -888,7 +888,7 @@ static void dmi_ascii_filter(char *d, const char *s)
+ static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
+ char *alias)
+ {
+- int i, j;
++ unsigned int i, j;
+
+ sprintf(alias, "dmi*");
+
+diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
+index 68e9f5e..ac7759b 100644
+--- a/scripts/mod/modpost.c
++++ b/scripts/mod/modpost.c
+@@ -930,6 +930,7 @@ enum mismatch {
+ ANY_INIT_TO_ANY_EXIT,
+ ANY_EXIT_TO_ANY_INIT,
+ EXPORT_TO_INIT_EXIT,
++ DATA_TO_TEXT
+ };
+
+ struct sectioncheck {
+@@ -1044,6 +1045,12 @@ const struct sectioncheck sectioncheck[] = {
+ .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL },
+ .mismatch = EXPORT_TO_INIT_EXIT,
+ .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
++},
++/* Do not reference code from writable data */
++{
++ .fromsec = { DATA_SECTIONS, NULL },
++ .tosec = { TEXT_SECTIONS, NULL },
++ .mismatch = DATA_TO_TEXT
+ }
+ };
+
+@@ -1166,10 +1173,10 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
+ continue;
+ if (ELF_ST_TYPE(sym->st_info) == STT_SECTION)
+ continue;
+- if (sym->st_value == addr)
+- return sym;
+ /* Find a symbol nearby - addr are maybe negative */
+ d = sym->st_value - addr;
++ if (d == 0)
++ return sym;
+ if (d < 0)
+ d = addr - sym->st_value;
+ if (d < distance) {
+@@ -1448,6 +1455,14 @@ static void report_sec_mismatch(const char *modname,
+ tosym, prl_to, prl_to, tosym);
+ free(prl_to);
+ break;
++ case DATA_TO_TEXT:
++#if 0
++ fprintf(stderr,
++ "The %s %s:%s references\n"
++ "the %s %s:%s%s\n",
++ from, fromsec, fromsym, to, tosec, tosym, to_p);
++#endif
++ break;
+ }
+ fprintf(stderr, "\n");
+ }
+@@ -1682,7 +1697,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
+ static void check_sec_ref(struct module *mod, const char *modname,
+ struct elf_info *elf)
+ {
+- int i;
++ unsigned int i;
+ Elf_Shdr *sechdrs = elf->sechdrs;
+
+ /* Walk through all sections */
+@@ -1780,7 +1795,7 @@ void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf,
+ va_end(ap);
+ }
+
+-void buf_write(struct buffer *buf, const char *s, int len)
++void buf_write(struct buffer *buf, const char *s, unsigned int len)
+ {
+ if (buf->size - buf->pos < len) {
+ buf->size += len + SZ;
+@@ -1998,7 +2013,7 @@ static void write_if_changed(struct buffer *b, const char *fname)
+ if (fstat(fileno(file), &st) < 0)
+ goto close_write;
+
+- if (st.st_size != b->pos)
++ if (st.st_size != (off_t)b->pos)
+ goto close_write;
+
+ tmp = NOFAIL(malloc(b->pos));
+diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
+index 51207e4..f7d603d 100644
+--- a/scripts/mod/modpost.h
++++ b/scripts/mod/modpost.h
+@@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *expr);
+
+ struct buffer {
+ char *p;
+- int pos;
+- int size;
++ unsigned int pos;
++ unsigned int size;
+ };
+
+ void __attribute__((format(printf, 2, 3)))
+ buf_printf(struct buffer *buf, const char *fmt, ...);
+
+ void
+-buf_write(struct buffer *buf, const char *s, int len);
++buf_write(struct buffer *buf, const char *s, unsigned int len);
+
+ struct module {
+ struct module *next;
+diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
+index 9dfcd6d..099068e 100644
+--- a/scripts/mod/sumversion.c
++++ b/scripts/mod/sumversion.c
+@@ -470,7 +470,7 @@ static void write_version(const char *filename, const char *sum,
+ goto out;
+ }
+
+- if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) {
++ if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) {
+ warn("writing sum in %s failed: %s\n",
+ filename, strerror(errno));
+ goto out;
+diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c
+index 5c11312..72742b5 100644
+--- a/scripts/pnmtologo.c
++++ b/scripts/pnmtologo.c
+@@ -237,14 +237,14 @@ static void write_header(void)
+ fprintf(out, " * Linux logo %s\n", logoname);
+ fputs(" */\n\n", out);
+ fputs("#include <linux/linux_logo.h>\n\n", out);
+- fprintf(out, "static unsigned char %s_data[] __initdata = {\n",
++ fprintf(out, "static unsigned char %s_data[] = {\n",
+ logoname);
+ }
+
+ static void write_footer(void)
+ {
+ fputs("\n};\n\n", out);
+- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname);
++ fprintf(out, "const struct linux_logo %s = {\n", logoname);
+ fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]);
+ fprintf(out, "\t.width\t\t= %d,\n", logo_width);
+ fprintf(out, "\t.height\t\t= %d,\n", logo_height);
+@@ -374,7 +374,7 @@ static void write_logo_clut224(void)
+ fputs("\n};\n\n", out);
+
+ /* write logo clut */
+- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n",
++ fprintf(out, "static unsigned char %s_clut[] = {\n",
+ logoname);
+ write_hex_cnt = 0;
+ for (i = 0; i < logo_clutsize; i++) {
+diff --git a/security/Kconfig b/security/Kconfig
+index e9c6ac7..e7feb0d 100644
+--- a/security/Kconfig
++++ b/security/Kconfig
+@@ -4,6 +4,896 @@
+
+ menu "Security options"
+
++menu "Grsecurity"
++
++ config ARCH_TRACK_EXEC_LIMIT
++ bool
++
++ config PAX_KERNEXEC_PLUGIN
++ bool
++
++ config PAX_PER_CPU_PGD
++ bool
++
++ config TASK_SIZE_MAX_SHIFT
++ int
++ depends on X86_64
++ default 47 if !PAX_PER_CPU_PGD
++ default 42 if PAX_PER_CPU_PGD
++
++ config PAX_ENABLE_PAE
++ bool
++ default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM))
++
++ config PAX_USERCOPY_SLABS
++ bool
++
++config GRKERNSEC
++ bool "Grsecurity"
++ select CRYPTO
++ select CRYPTO_SHA256
++ select PROC_FS
++ select STOP_MACHINE
++ help
++ If you say Y here, you will be able to configure many features
++ that will enhance the security of your system. It is highly
++ recommended that you say Y here and read through the help
++ for each option so that you fully understand the features and
++ can evaluate their usefulness for your machine.
++
++choice
++ prompt "Configuration Method"
++ depends on GRKERNSEC
++ default GRKERNSEC_CONFIG_CUSTOM
++ help
++
++config GRKERNSEC_CONFIG_AUTO
++ bool "Automatic"
++ help
++ If you choose this configuration method, you'll be able to answer a small
++ number of simple questions about how you plan to use this kernel.
++ The settings of grsecurity and PaX will be automatically configured for
++ the highest commonly-used settings within the provided constraints.
++
++ If you require additional configuration, custom changes can still be made
++ from the "custom configuration" menu.
++
++config GRKERNSEC_CONFIG_CUSTOM
++ bool "Custom"
++ help
++ If you choose this configuration method, you'll be able to configure all
++ grsecurity and PaX settings manually. Via this method, no options are
++ automatically enabled.
++
++endchoice
++
++choice
++ prompt "Usage Type"
++ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
++ default GRKERNSEC_CONFIG_SERVER
++ help
++
++config GRKERNSEC_CONFIG_SERVER
++ bool "Server"
++ help
++ Choose this option if you plan to use this kernel on a server.
++
++config GRKERNSEC_CONFIG_DESKTOP
++ bool "Desktop"
++ help
++ Choose this option if you plan to use this kernel on a desktop.
++
++endchoice
++
++choice
++ prompt "Virtualization Type"
++ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO)
++ default GRKERNSEC_CONFIG_VIRT_NONE
++ help
++
++config GRKERNSEC_CONFIG_VIRT_NONE
++ bool "None"
++ help
++ Choose this option if this kernel will be run on bare metal.
++
++config GRKERNSEC_CONFIG_VIRT_GUEST
++ bool "Guest"
++ help
++ Choose this option if this kernel will be run as a VM guest.
++
++config GRKERNSEC_CONFIG_VIRT_HOST
++ bool "Host"
++ help
++ Choose this option if this kernel will be run as a VM host.
++
++endchoice
++
++choice
++ prompt "Virtualization Hardware"
++ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
++ help
++
++config GRKERNSEC_CONFIG_VIRT_EPT
++ bool "EPT/RVI Processor Support"
++ depends on X86
++ help
++ Choose this option if your CPU supports the EPT or RVI features of 2nd-gen
++ hardware virtualization. This allows for additional kernel hardening protections
++ to operate without additional performance impact.
++
++ To see if your Intel processor supports EPT, see:
++ http://ark.intel.com/Products/VirtualizationTechnology
++ (Most Core i3/5/7 support EPT)
++
++ To see if your AMD processor supports RVI, see:
++ http://support.amd.com/us/kbarticles/Pages/GPU120AMDRVICPUsHyperVWin8.aspx
++
++config GRKERNSEC_CONFIG_VIRT_SOFT
++ bool "First-gen/No Hardware Virtualization"
++ help
++ Choose this option if you use an Atom/Pentium/Core 2 processor that either doesn't
++ support hardware virtualization or doesn't support the EPT/RVI extensions.
++
++endchoice
++
++choice
++ prompt "Virtualization Software"
++ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
++ help
++
++config GRKERNSEC_CONFIG_VIRT_XEN
++ bool "Xen"
++ help
++ Choose this option if this kernel is running as a Xen guest or host.
++
++config GRKERNSEC_CONFIG_VIRT_VMWARE
++ bool "VMWare"
++ help
++ Choose this option if this kernel is running as a VMWare guest or host.
++
++config GRKERNSEC_CONFIG_VIRT_KVM
++ bool "KVM"
++ help
++ Choose this option if this kernel is running as a KVM guest or host.
++
++config GRKERNSEC_CONFIG_VIRT_VIRTUALBOX
++ bool "VirtualBox"
++ help
++ Choose this option if this kernel is running as a VirtualBox guest or host.
++
++endchoice
++
++choice
++ prompt "Required Priorities"
++ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
++ default GRKERNSEC_CONFIG_PRIORITY_PERF
++ help
++
++config GRKERNSEC_CONFIG_PRIORITY_PERF
++ bool "Performance"
++ help
++ Choose this option if performance is of highest priority for this deployment
++ of grsecurity. Features like UDEREF on a 64bit kernel, kernel stack clearing,
++ and freed memory sanitizing will be disabled.
++
++config GRKERNSEC_CONFIG_PRIORITY_SECURITY
++ bool "Security"
++ help
++ Choose this option if security is of highest priority for this deployment of
++ grsecurity. UDEREF, kernel stack clearing, and freed memory sanitizing will
++ be enabled for this kernel. In a worst-case scenario, these features can
++ introduce a 20% performance hit (UDEREF on x64 contributing half of this hit).
++
++endchoice
++
++menu "Default Special Groups"
++depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
++
++config GRKERNSEC_PROC_GID
++ int "GID exempted from /proc restrictions"
++ default 1001
++ help
++ Setting this GID determines which group will be exempted from
++ grsecurity's /proc restrictions, allowing users of the specified
++ group to view network statistics and the existence of other users'
++ processes on the system. This GID may also be chosen at boot time
++ via "grsec_proc_gid=" on the kernel commandline.
++
++config GRKERNSEC_TPE_UNTRUSTED_GID
++ int "GID for TPE-untrusted users"
++ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT
++ default 1005
++ help
++ Setting this GID determines which group untrusted users should
++ be added to. These users will be placed under grsecurity's Trusted Path
++ Execution mechanism, preventing them from executing their own binaries.
++ The users will only be able to execute binaries in directories owned and
++ writable only by the root user. If the sysctl option is enabled, a sysctl
++ option with name "tpe_gid" is created.
++
++config GRKERNSEC_TPE_TRUSTED_GID
++ int "GID for TPE-trusted users"
++ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT
++ default 1005
++ help
++ Setting this GID determines what group TPE restrictions will be
++ *disabled* for. If the sysctl option is enabled, a sysctl option
++ with name "tpe_gid" is created.
++
++config GRKERNSEC_SYMLINKOWN_GID
++ int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
++ depends on GRKERNSEC_CONFIG_SERVER
++ default 1006
++ help
++ Setting this GID determines what group kernel-enforced
++ SymlinksIfOwnerMatch will be enabled for. If the sysctl option
++ is enabled, a sysctl option with name "symlinkown_gid" is created.
++
++
++endmenu
++
++menu "Customize Configuration"
++depends on GRKERNSEC
++
++menu "PaX"
++
++config PAX
++ bool "Enable various PaX features"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86)
++ help
++ This allows you to enable various PaX features. PaX adds
++ intrusion prevention mechanisms to the kernel that reduce
++ the risks posed by exploitable memory corruption bugs.
++
++menu "PaX Control"
++ depends on PAX
++
++config PAX_SOFTMODE
++ bool 'Support soft mode'
++ help
++ Enabling this option will allow you to run PaX in soft mode, that
++ is, PaX features will not be enforced by default, only on executables
++ marked explicitly. You must also enable PT_PAX_FLAGS or XATTR_PAX_FLAGS
++ support as they are the only way to mark executables for soft mode use.
++
++ Soft mode can be activated by using the "pax_softmode=1" kernel command
++ line option on boot. Furthermore you can control various PaX features
++ at runtime via the entries in /proc/sys/kernel/pax.
++
++config PAX_EI_PAX
++ bool 'Use legacy ELF header marking'
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ Enabling this option will allow you to control PaX features on
++ a per executable basis via the 'chpax' utility available at
++ http://pax.grsecurity.net/. The control flags will be read from
++ an otherwise reserved part of the ELF header. This marking has
++ numerous drawbacks (no support for soft-mode, toolchain does not
++ know about the non-standard use of the ELF header) therefore it
++ has been deprecated in favour of PT_PAX_FLAGS and XATTR_PAX_FLAGS
++ support.
++
++ Note that if you enable PT_PAX_FLAGS or XATTR_PAX_FLAGS marking
++ support as well, they will override the legacy EI_PAX marks.
++
++ If you enable none of the marking options then all applications
++ will run with PaX enabled on them by default.
++
++config PAX_PT_PAX_FLAGS
++ bool 'Use ELF program header marking'
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ Enabling this option will allow you to control PaX features on
++ a per executable basis via the 'paxctl' utility available at
++ http://pax.grsecurity.net/. The control flags will be read from
++ a PaX specific ELF program header (PT_PAX_FLAGS). This marking
++ has the benefits of supporting both soft mode and being fully
++ integrated into the toolchain (the binutils patch is available
++ from http://pax.grsecurity.net).
++
++ Note that if you enable the legacy EI_PAX marking support as well,
++ the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks.
++
++ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
++ must make sure that the marks are the same if a binary has both marks.
++
++ If you enable none of the marking options then all applications
++ will run with PaX enabled on them by default.
++
++config PAX_XATTR_PAX_FLAGS
++ bool 'Use filesystem extended attributes marking'
++ default y if GRKERNSEC_CONFIG_AUTO
++ select CIFS_XATTR if CIFS
++ select EXT2_FS_XATTR if EXT2_FS
++ select EXT3_FS_XATTR if EXT3_FS
++ select EXT4_FS_XATTR if EXT4_FS
++ select JFFS2_FS_XATTR if JFFS2_FS
++ select REISERFS_FS_XATTR if REISERFS_FS
++ select SQUASHFS_XATTR if SQUASHFS
++ select TMPFS_XATTR if TMPFS
++ select UBIFS_FS_XATTR if UBIFS_FS
++ help
++ Enabling this option will allow you to control PaX features on
++ a per executable basis via the 'setfattr' utility. The control
++ flags will be read from the user.pax.flags extended attribute of
++ the file. This marking has the benefit of supporting binary-only
++ applications that self-check themselves (e.g., skype) and would
++ not tolerate chpax/paxctl changes. The main drawback is that
++ extended attributes are not supported by some filesystems (e.g.,
++ isofs, udf, vfat) so copying files through such filesystems will
++ lose the extended attributes and these PaX markings.
++
++ Note that if you enable the legacy EI_PAX marking support as well,
++ the EI_PAX marks will be overridden by the XATTR_PAX_FLAGS marks.
++
++ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
++ must make sure that the marks are the same if a binary has both marks.
++
++ If you enable none of the marking options then all applications
++ will run with PaX enabled on them by default.
++
++choice
++ prompt 'MAC system integration'
++ default PAX_HAVE_ACL_FLAGS
++ help
++ Mandatory Access Control systems have the option of controlling
++ PaX flags on a per executable basis, choose the method supported
++ by your particular system.
++
++ - "none": if your MAC system does not interact with PaX,
++ - "direct": if your MAC system defines pax_set_initial_flags() itself,
++ - "hook": if your MAC system uses the pax_set_initial_flags_func callback.
++
++ NOTE: this option is for developers/integrators only.
++
++ config PAX_NO_ACL_FLAGS
++ bool 'none'
++
++ config PAX_HAVE_ACL_FLAGS
++ bool 'direct'
++
++ config PAX_HOOK_ACL_FLAGS
++ bool 'hook'
++endchoice
++
++endmenu
++
++menu "Non-executable pages"
++ depends on PAX
++
++config PAX_NOEXEC
++ bool "Enforce non-executable pages"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on ALPHA || (ARM && (CPU_V6 || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86
++ help
++ By design some architectures do not allow for protecting memory
++ pages against execution or even if they do, Linux does not make
++ use of this feature. In practice this means that if a page is
++ readable (such as the stack or heap) it is also executable.
++
++ There is a well known exploit technique that makes use of this
++ fact and a common programming mistake where an attacker can
++ introduce code of his choice somewhere in the attacked program's
++ memory (typically the stack or the heap) and then execute it.
++
++ If the attacked program was running with different (typically
++ higher) privileges than that of the attacker, then he can elevate
++ his own privilege level (e.g. get a root shell, write to files for
++ which he does not have write access to, etc).
++
++ Enabling this option will let you choose from various features
++ that prevent the injection and execution of 'foreign' code in
++ a program.
++
++ This will also break programs that rely on the old behaviour and
++ expect that dynamically allocated memory via the malloc() family
++ of functions is executable (which it is not). Notable examples
++ are the XFree86 4.x server, the java runtime and wine.
++
++config PAX_PAGEEXEC
++ bool "Paging based non-executable pages"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7)
++ select S390_SWITCH_AMODE if S390
++ select S390_EXEC_PROTECT if S390
++ select ARCH_TRACK_EXEC_LIMIT if X86_32
++ help
++ This implementation is based on the paging feature of the CPU.
++ On i386 without hardware non-executable bit support there is a
++ variable but usually low performance impact, however on Intel's
++ P4 core based CPUs it is very high so you should not enable this
++ for kernels meant to be used on such CPUs.
++
++ On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386
++ with hardware non-executable bit support there is no performance
++ impact, on ppc the impact is negligible.
++
++ Note that several architectures require various emulations due to
++ badly designed userland ABIs, this will cause a performance impact
++ but will disappear as soon as userland is fixed. For example, ppc
++ userland MUST have been built with secure-plt by a recent toolchain.
++
++config PAX_SEGMEXEC
++ bool "Segmentation based non-executable pages"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on PAX_NOEXEC && X86_32
++ help
++ This implementation is based on the segmentation feature of the
++ CPU and has a very small performance impact, however applications
++ will be limited to a 1.5 GB address space instead of the normal
++ 3 GB.
++
++config PAX_EMUTRAMP
++ bool "Emulate trampolines" if (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86)
++ default y if PARISC
++ help
++ There are some programs and libraries that for one reason or
++ another attempt to execute special small code snippets from
++ non-executable memory pages. Most notable examples are the
++ signal handler return code generated by the kernel itself and
++ the GCC trampolines.
++
++ If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then
++ such programs will no longer work under your kernel.
++
++ As a remedy you can say Y here and use the 'chpax' or 'paxctl'
++ utilities to enable trampoline emulation for the affected programs
++ yet still have the protection provided by the non-executable pages.
++
++ On parisc you MUST enable this option and EMUSIGRT as well, otherwise
++ your system will not even boot.
++
++ Alternatively you can say N here and use the 'chpax' or 'paxctl'
++ utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC
++ for the affected files.
++
++ NOTE: enabling this feature *may* open up a loophole in the
++ protection provided by non-executable pages that an attacker
++ could abuse. Therefore the best solution is to not have any
++ files on your system that would require this option. This can
++ be achieved by not using libc5 (which relies on the kernel
++ signal handler return code) and not using or rewriting programs
++ that make use of the nested function implementation of GCC.
++ Skilled users can just fix GCC itself so that it implements
++ nested function calls in a way that does not interfere with PaX.
++
++config PAX_EMUSIGRT
++ bool "Automatically emulate sigreturn trampolines"
++ depends on PAX_EMUTRAMP && PARISC
++ default y
++ help
++ Enabling this option will have the kernel automatically detect
++ and emulate signal return trampolines executing on the stack
++ that would otherwise lead to task termination.
++
++ This solution is intended as a temporary one for users with
++ legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17,
++ Modula-3 runtime, etc) or executables linked to such, basically
++ everything that does not specify its own SA_RESTORER function in
++ normal executable memory like glibc 2.1+ does.
++
++ On parisc you MUST enable this option, otherwise your system will
++ not even boot.
++
++ NOTE: this feature cannot be disabled on a per executable basis
++ and since it *does* open up a loophole in the protection provided
++ by non-executable pages, the best solution is to not have any
++ files on your system that would require this option.
++
++config PAX_MPROTECT
++ bool "Restrict mprotect()"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC)
++ help
++ Enabling this option will prevent programs from
++ - changing the executable status of memory pages that were
++ not originally created as executable,
++ - making read-only executable pages writable again,
++ - creating executable pages from anonymous memory,
++ - making read-only-after-relocations (RELRO) data pages writable again.
++
++ You should say Y here to complete the protection provided by
++ the enforcement of non-executable pages.
++
++ NOTE: you can use the 'chpax' or 'paxctl' utilities to control
++ this feature on a per file basis.
++
++config PAX_MPROTECT_COMPAT
++ bool "Use legacy/compat protection demoting (read help)"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
++ depends on PAX_MPROTECT
++ help
++ The current implementation of PAX_MPROTECT denies RWX allocations/mprotects
++ by sending the proper error code to the application. For some broken
++ userland, this can cause problems with Python or other applications. The
++ current implementation however allows for applications like clamav to
++ detect if JIT compilation/execution is allowed and to fall back gracefully
++ to an interpreter-based mode if it does not. While we encourage everyone
++ to use the current implementation as-is and push upstream to fix broken
++ userland (note that the RWX logging option can assist with this), in some
++ environments this may not be possible. Having to disable MPROTECT
++ completely on certain binaries reduces the security benefit of PaX,
++ so this option is provided for those environments to revert to the old
++ behavior.
++
++config PAX_ELFRELOCS
++ bool "Allow ELF text relocations (read help)"
++ depends on PAX_MPROTECT
++ default n
++ help
++ Non-executable pages and mprotect() restrictions are effective
++ in preventing the introduction of new executable code into an
++ attacked task's address space. There remain only two venues
++ for this kind of attack: if the attacker can execute already
++ existing code in the attacked task then he can either have it
++ create and mmap() a file containing his code or have it mmap()
++ an already existing ELF library that does not have position
++ independent code in it and use mprotect() on it to make it
++ writable and copy his code there. While protecting against
++ the former approach is beyond PaX, the latter can be prevented
++ by having only PIC ELF libraries on one's system (which do not
++ need to relocate their code). If you are sure this is your case,
++ as is the case with all modern Linux distributions, then leave
++ this option disabled. You should say 'n' here.
++
++config PAX_ETEXECRELOCS
++ bool "Allow ELF ET_EXEC text relocations"
++ depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC)
++ select PAX_ELFRELOCS
++ default y
++ help
++ On some architectures there are incorrectly created applications
++ that require text relocations and would not work without enabling
++ this option. If you are an alpha, ia64 or parisc user, you should
++ enable this option and disable it once you have made sure that
++ none of your applications need it.
++
++config PAX_EMUPLT
++ bool "Automatically emulate ELF PLT"
++ depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC)
++ default y
++ help
++ Enabling this option will have the kernel automatically detect
++ and emulate the Procedure Linkage Table entries in ELF files.
++ On some architectures such entries are in writable memory, and
++ become non-executable leading to task termination. Therefore
++ it is mandatory that you enable this option on alpha, parisc,
++ sparc and sparc64, otherwise your system would not even boot.
++
++ NOTE: this feature *does* open up a loophole in the protection
++ provided by the non-executable pages, therefore the proper
++ solution is to modify the toolchain to produce a PLT that does
++ not need to be writable.
++
++config PAX_DLRESOLVE
++ bool 'Emulate old glibc resolver stub'
++ depends on PAX_EMUPLT && SPARC
++ default n
++ help
++ This option is needed if userland has an old glibc (before 2.4)
++ that puts a 'save' instruction into the runtime generated resolver
++ stub that needs special emulation.
++
++config PAX_KERNEXEC
++ bool "Enforce non-executable kernel pages"
++ default y if GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_NONE || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_GUEST) || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_KVM))
++ depends on (PPC || X86) && (!X86_32 || X86_WP_WORKS_OK) && !XEN
++ select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE)
++ select PAX_KERNEXEC_PLUGIN if X86_64
++ help
++ This is the kernel land equivalent of PAGEEXEC and MPROTECT,
++ that is, enabling this option will make it harder to inject
++ and execute 'foreign' code in kernel memory itself.
++
++choice
++ prompt "Return Address Instrumentation Method"
++ default PAX_KERNEXEC_PLUGIN_METHOD_BTS
++ depends on PAX_KERNEXEC_PLUGIN
++ help
++ Select the method used to instrument function pointer dereferences.
++ Note that binary modules cannot be instrumented by this approach.
++
++ Note that the implementation requires a gcc with plugin support,
++ i.e., gcc 4.5 or newer. You may need to install the supporting
++ headers explicitly in addition to the normal gcc package.
++
++ config PAX_KERNEXEC_PLUGIN_METHOD_BTS
++ bool "bts"
++ help
++ This method is compatible with binary only modules but has
++ a higher runtime overhead.
++
++ config PAX_KERNEXEC_PLUGIN_METHOD_OR
++ bool "or"
++ depends on !PARAVIRT
++ help
++ This method is incompatible with binary only modules but has
++ a lower runtime overhead.
++endchoice
++
++config PAX_KERNEXEC_PLUGIN_METHOD
++ string
++ default "bts" if PAX_KERNEXEC_PLUGIN_METHOD_BTS
++ default "or" if PAX_KERNEXEC_PLUGIN_METHOD_OR
++ default ""
++
++config PAX_KERNEXEC_MODULE_TEXT
++ int "Minimum amount of memory reserved for module code"
++ default "4" if (!GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_SERVER)
++ default "12" if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
++ depends on PAX_KERNEXEC && X86_32 && MODULES
++ help
++ Due to implementation details the kernel must reserve a fixed
++ amount of memory for module code at compile time that cannot be
++ changed at runtime. Here you can specify the minimum amount
++ in MB that will be reserved. Due to the same implementation
++ details this size will always be rounded up to the next 2/4 MB
++ boundary (depends on PAE) so the actually available memory for
++ module code will usually be more than this minimum.
++
++ The default 4 MB should be enough for most users but if you have
++ an excessive number of modules (e.g., most distribution configs
++ compile many drivers as modules) or use huge modules such as
++ nvidia's kernel driver, you will need to adjust this amount.
++ A good rule of thumb is to look at your currently loaded kernel
++ modules and add up their sizes.
++
++endmenu
++
++menu "Address Space Layout Randomization"
++ depends on PAX
++
++config PAX_ASLR
++ bool "Address Space Layout Randomization"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ Many if not most exploit techniques rely on the knowledge of
++ certain addresses in the attacked program. The following options
++ will allow the kernel to apply a certain amount of randomization
++ to specific parts of the program thereby forcing an attacker to
++ guess them in most cases. Any failed guess will most likely crash
++ the attacked program which allows the kernel to detect such attempts
++ and react on them. PaX itself provides no reaction mechanisms,
++ instead it is strongly encouraged that you make use of Nergal's
++ segvguard (ftp://ftp.pl.openwall.com/misc/segvguard/) or grsecurity's
++ (http://www.grsecurity.net/) built-in crash detection features or
++ develop one yourself.
++
++ By saying Y here you can choose to randomize the following areas:
++ - top of the task's kernel stack
++ - top of the task's userland stack
++ - base address for mmap() requests that do not specify one
++ (this includes all libraries)
++ - base address of the main executable
++
++ It is strongly recommended to say Y here as address space layout
++ randomization has negligible impact on performance yet it provides
++ a very effective protection.
++
++ NOTE: you can use the 'chpax' or 'paxctl' utilities to control
++ this feature on a per file basis.
++
++config PAX_RANDKSTACK
++ bool "Randomize kernel stack base"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on X86_TSC && X86
++ help
++ By saying Y here the kernel will randomize every task's kernel
++ stack on every system call. This will not only force an attacker
++ to guess it but also prevent him from making use of possible
++ leaked information about it.
++
++ Since the kernel stack is a rather scarce resource, randomization
++ may cause unexpected stack overflows, therefore you should very
++ carefully test your system. Note that once enabled in the kernel
++ configuration, this feature cannot be disabled on a per file basis.
++
++config PAX_RANDUSTACK
++ bool "Randomize user stack base"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on PAX_ASLR
++ help
++ By saying Y here the kernel will randomize every task's userland
++ stack. The randomization is done in two steps where the second
++ one may apply a big amount of shift to the top of the stack and
++ cause problems for programs that want to use lots of memory (more
++ than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is).
++ For this reason the second step can be controlled by 'chpax' or
++ 'paxctl' on a per file basis.
++
++config PAX_RANDMMAP
++ bool "Randomize mmap() base"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on PAX_ASLR
++ help
++ By saying Y here the kernel will use a randomized base address for
++ mmap() requests that do not specify one themselves. As a result
++ all dynamically loaded libraries will appear at random addresses
++ and therefore be harder to exploit by a technique where an attacker
++ attempts to execute library code for his purposes (e.g. spawn a
++ shell from an exploited program that is running at an elevated
++ privilege level).
++
++ Furthermore, if a program is relinked as a dynamic ELF file, its
++ base address will be randomized as well, completing the full
++ randomization of the address space layout. Attacking such programs
++ becomes a guess game. You can find an example of doing this at
++ http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at
++ http://www.grsecurity.net/grsec-gcc-specs.tar.gz .
++
++ NOTE: you can use the 'chpax' or 'paxctl' utilities to control this
++ feature on a per file basis.
++
++endmenu
++
++menu "Miscellaneous hardening features"
++
++config PAX_MEMORY_SANITIZE
++ bool "Sanitize all freed memory"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
++ depends on !HIBERNATION
++ help
++ By saying Y here the kernel will erase memory pages as soon as they
++ are freed. This in turn reduces the lifetime of data stored in the
++ pages, making it less likely that sensitive information such as
++ passwords, cryptographic secrets, etc stay in memory for too long.
++
++ This is especially useful for programs whose runtime is short, long
++ lived processes and the kernel itself benefit from this as long as
++ they operate on whole memory pages and ensure timely freeing of pages
++ that may hold sensitive information.
++
++ The tradeoff is performance impact, on a single CPU system kernel
++ compilation sees a 3% slowdown, other systems and workloads may vary
++ and you are advised to test this feature on your expected workload
++ before deploying it.
++
++ Note that this feature does not protect data stored in live pages,
++ e.g., process memory swapped to disk may stay there for a long time.
++
++config PAX_MEMORY_STACKLEAK
++ bool "Sanitize kernel stack"
++ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
++ depends on X86
++ help
++ By saying Y here the kernel will erase the kernel stack before it
++ returns from a system call. This in turn reduces the information
++ that a kernel stack leak bug can reveal.
++
++ Note that such a bug can still leak information that was put on
++ the stack by the current system call (the one eventually triggering
++ the bug) but traces of earlier system calls on the kernel stack
++ cannot leak anymore.
++
++ The tradeoff is performance impact: on a single CPU system kernel
++ compilation sees a 1% slowdown, other systems and workloads may vary
++ and you are advised to test this feature on your expected workload
++ before deploying it.
++
++ Note that the full feature requires a gcc with plugin support,
++ i.e., gcc 4.5 or newer. You may need to install the supporting
++ headers explicitly in addition to the normal gcc package. Using
++ older gcc versions means that functions with large enough stack
++ frames may leave uninitialized memory behind that may be exposed
++ to a later syscall leaking the stack.
++
++config PAX_MEMORY_UDEREF
++ bool "Prevent invalid userland pointer dereference"
++ default y if GRKERNSEC_CONFIG_AUTO && (X86_32 || (X86_64 && GRKERNSEC_CONFIG_PRIORITY_SECURITY)) && (GRKERNSEC_CONFIG_VIRT_NONE || GRKERNSEC_CONFIG_VIRT_EPT)
++ depends on X86 && !UML_X86 && !XEN
++ select PAX_PER_CPU_PGD if X86_64
++ help
++ By saying Y here the kernel will be prevented from dereferencing
++ userland pointers in contexts where the kernel expects only kernel
++ pointers. This is both a useful runtime debugging feature and a
++ security measure that prevents exploiting a class of kernel bugs.
++
++ The tradeoff is that some virtualization solutions may experience
++ a huge slowdown and therefore you should not enable this feature
++ for kernels meant to run in such environments. Whether a given VM
++ solution is affected or not is best determined by simply trying it
++ out, the performance impact will be obvious right on boot as this
++ mechanism engages from very early on. A good rule of thumb is that
++ VMs running on CPUs without hardware virtualization support (i.e.,
++ the majority of IA-32 CPUs) will likely experience the slowdown.
++
++config PAX_REFCOUNT
++ bool "Prevent various kernel object reference counter overflows"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on GRKERNSEC && ((ARM && (CPU_32v6 || CPU_32v6K || CPU_32v7)) || SPARC64 || X86)
++ help
++ By saying Y here the kernel will detect and prevent overflowing
++ various (but not all) kinds of object reference counters. Such
++ overflows can normally occur due to bugs only and are often, if
++ not always, exploitable.
++
++ The tradeoff is that data structures protected by an overflowed
++ refcount will never be freed and therefore will leak memory. Note
++ that this leak also happens even without this protection but in
++ that case the overflow can eventually trigger the freeing of the
++ data structure while it is still being used elsewhere, resulting
++ in the exploitable situation that this feature prevents.
++
++ Since this has a negligible performance impact, you should enable
++ this feature.
++
++config PAX_USERCOPY
++ bool "Harden heap object copies between kernel and userland"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on X86 || PPC || SPARC || ARM
++ depends on GRKERNSEC && (SLAB || SLUB || SLOB)
++ select PAX_USERCOPY_SLABS
++ help
++ By saying Y here the kernel will enforce the size of heap objects
++ when they are copied in either direction between the kernel and
++ userland, even if only a part of the heap object is copied.
++
++ Specifically, this checking prevents information leaking from the
++ kernel heap during kernel to userland copies (if the kernel heap
++ object is otherwise fully initialized) and prevents kernel heap
++ overflows during userland to kernel copies.
++
++ Note that the current implementation provides the strictest bounds
++ checks for the SLUB allocator.
++
++ Enabling this option also enables per-slab cache protection against
++ data in a given cache being copied into/out of via userland
++ accessors. Though the whitelist of regions will be reduced over
++ time, it notably protects important data structures like task structs.
++
++ If frame pointers are enabled on x86, this option will also restrict
++ copies into and out of the kernel stack to local variables within a
++ single frame.
++
++ Since this has a negligible performance impact, you should enable
++ this feature.
++
++config PAX_SIZE_OVERFLOW
++ bool "Prevent various integer overflows in function size parameters"
++ default y if GRKERNSEC_CONFIG_AUTO
++ depends on X86
++ help
++ By saying Y here the kernel recomputes expressions of function
++ arguments marked by a size_overflow attribute with double integer
++ precision (DImode/TImode for 32/64 bit integer types).
++
++ The recomputed argument is checked against TYPE_MAX and an event
++ is logged on overflow and the triggering process is killed.
++
++ Homepage: http://www.grsecurity.net/~ephox/overflow_plugin/
++
++ Note that the implementation requires a gcc with plugin support,
++ i.e., gcc 4.5 or newer. You may need to install the supporting
++ headers explicitly in addition to the normal gcc package.
++
++config PAX_LATENT_ENTROPY
++ bool "Generate some entropy during boot"
++ default y if GRKERNSEC_CONFIG_AUTO
++ help
++ By saying Y here the kernel will instrument early boot code to
++ extract some entropy from both original and artificially created
++ program state. This will help especially embedded systems where
++ there is little 'natural' source of entropy normally. The cost
++ is some slowdown of the boot process.
++
++ Note that the implementation requires a gcc with plugin support,
++ i.e., gcc 4.5 or newer. You may need to install the supporting
++ headers explicitly in addition to the normal gcc package.
++
++ Note that entropy extracted this way is not cryptographically
++ secure!
++
++endmenu
++
++endmenu
++
++source grsecurity/Kconfig
++
++endmenu
++
++endmenu
++
+ source security/keys/Kconfig
+
+ config SECURITY_DMESG_RESTRICT
+@@ -103,7 +993,7 @@ config INTEL_TXT
+ config LSM_MMAP_MIN_ADDR
+ int "Low address space for LSM to protect from user allocation"
+ depends on SECURITY && SECURITY_SELINUX
+- default 32768 if ARM
++ default 32768 if ALPHA || ARM || PARISC || SPARC32
+ default 65536
+ help
+ This is the portion of low virtual memory which should be protected
+diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
+index 8ea39aa..8569ac5 100644
+--- a/security/apparmor/lsm.c
++++ b/security/apparmor/lsm.c
+@@ -614,7 +614,7 @@ static int apparmor_task_setrlimit(struct task_struct *task,
+ return error;
+ }
+
+-static struct security_operations apparmor_ops = {
++static struct security_operations apparmor_ops __read_only = {
+ .name = "apparmor",
+
+ .ptrace_access_check = apparmor_ptrace_access_check,
+diff --git a/security/commoncap.c b/security/commoncap.c
+index 6dbae46..d5611fd 100644
+--- a/security/commoncap.c
++++ b/security/commoncap.c
+@@ -415,6 +415,32 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
+ return 0;
+ }
+
++/* returns:
++ 1 for suid privilege
++ 2 for sgid privilege
++ 3 for fscap privilege
++*/
++int is_privileged_binary(const struct dentry *dentry)
++{
++ struct cpu_vfs_cap_data capdata;
++ struct inode *inode = dentry->d_inode;
++
++ if (!inode || S_ISDIR(inode->i_mode))
++ return 0;
++
++ if (inode->i_mode & S_ISUID)
++ return 1;
++ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))
++ return 2;
++
++ if (!get_vfs_caps_from_disk(dentry, &capdata)) {
++ if (!cap_isclear(capdata.inheritable) || !cap_isclear(capdata.permitted))
++ return 3;
++ }
++
++ return 0;
++}
++
+ /*
+ * Attempt to get the on-exec apply capability sets for an executable file from
+ * its xattrs and, if present, apply them to the proposed credentials being
+@@ -583,6 +609,9 @@ int cap_bprm_secureexec(struct linux_binprm *bprm)
+ const struct cred *cred = current_cred();
+ kuid_t root_uid = make_kuid(cred->user_ns, 0);
+
++ if (gr_acl_enable_at_secure())
++ return 1;
++
+ if (!uid_eq(cred->uid, root_uid)) {
+ if (bprm->cap_effective)
+ return 1;
+diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
+index e7c99fd..5b2fa24 100644
+--- a/security/integrity/ima/ima.h
++++ b/security/integrity/ima/ima.h
+@@ -95,8 +95,8 @@ void ima_add_violation(struct inode *inode, const unsigned char *filename,
+ extern spinlock_t ima_queue_lock;
+
+ struct ima_h_table {
+- atomic_long_t len; /* number of stored measurements in the list */
+- atomic_long_t violations;
++ atomic_long_unchecked_t len; /* number of stored measurements in the list */
++ atomic_long_unchecked_t violations;
+ struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE];
+ };
+ extern struct ima_h_table ima_htable;
+diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
+index 032ff03..c428a74 100644
+--- a/security/integrity/ima/ima_api.c
++++ b/security/integrity/ima/ima_api.c
+@@ -75,7 +75,7 @@ void ima_add_violation(struct inode *inode, const unsigned char *filename,
+ int result;
+
+ /* can overflow, only indicator */
+- atomic_long_inc(&ima_htable.violations);
++ atomic_long_inc_unchecked(&ima_htable.violations);
+
+ entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+ if (!entry) {
+diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
+index 38477c9..87a60c7 100644
+--- a/security/integrity/ima/ima_fs.c
++++ b/security/integrity/ima/ima_fs.c
+@@ -28,12 +28,12 @@
+ static int valid_policy = 1;
+ #define TMPBUFLEN 12
+ static ssize_t ima_show_htable_value(char __user *buf, size_t count,
+- loff_t *ppos, atomic_long_t *val)
++ loff_t *ppos, atomic_long_unchecked_t *val)
+ {
+ char tmpbuf[TMPBUFLEN];
+ ssize_t len;
+
+- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val));
++ len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val));
+ return simple_read_from_buffer(buf, count, ppos, tmpbuf, len);
+ }
+
+diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c
+index 55a6271..ad829c3 100644
+--- a/security/integrity/ima/ima_queue.c
++++ b/security/integrity/ima/ima_queue.c
+@@ -81,7 +81,7 @@ static int ima_add_digest_entry(struct ima_template_entry *entry)
+ INIT_LIST_HEAD(&qe->later);
+ list_add_tail_rcu(&qe->later, &ima_measurements);
+
+- atomic_long_inc(&ima_htable.len);
++ atomic_long_inc_unchecked(&ima_htable.len);
+ key = ima_hash_key(entry->digest);
+ hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]);
+ return 0;
+diff --git a/security/keys/compat.c b/security/keys/compat.c
+index 1c26176..64a1ba2 100644
+--- a/security/keys/compat.c
++++ b/security/keys/compat.c
+@@ -44,7 +44,7 @@ static long compat_keyctl_instantiate_key_iov(
+ if (ret == 0)
+ goto no_payload_free;
+
+- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
++ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
+
+ if (iov != iovstack)
+ kfree(iov);
+diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
+index 3364fbf..1f10f31 100644
+--- a/security/keys/keyctl.c
++++ b/security/keys/keyctl.c
+@@ -966,7 +966,7 @@ static int keyctl_change_reqkey_auth(struct key *key)
+ /*
+ * Copy the iovec data from userspace
+ */
+-static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
++static long copy_from_user_iovec(void *buffer, const struct iovec __user *iov,
+ unsigned ioc)
+ {
+ for (; ioc > 0; ioc--) {
+@@ -988,7 +988,7 @@ static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
+ * If successful, 0 will be returned.
+ */
+ long keyctl_instantiate_key_common(key_serial_t id,
+- const struct iovec *payload_iov,
++ const struct iovec __user *payload_iov,
+ unsigned ioc,
+ size_t plen,
+ key_serial_t ringid)
+@@ -1083,7 +1083,7 @@ long keyctl_instantiate_key(key_serial_t id,
+ [0].iov_len = plen
+ };
+
+- return keyctl_instantiate_key_common(id, iov, 1, plen, ringid);
++ return keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, 1, plen, ringid);
+ }
+
+ return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid);
+@@ -1116,7 +1116,7 @@ long keyctl_instantiate_key_iov(key_serial_t id,
+ if (ret == 0)
+ goto no_payload_free;
+
+- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
++ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
+
+ if (iov != iovstack)
+ kfree(iov);
+diff --git a/security/keys/keyring.c b/security/keys/keyring.c
+index 81e7852..2b2ecc3 100644
+--- a/security/keys/keyring.c
++++ b/security/keys/keyring.c
+@@ -227,16 +227,16 @@ static long keyring_read(const struct key *keyring,
+ ret = -EFAULT;
+
+ for (loop = 0; loop < klist->nkeys; loop++) {
++ key_serial_t serial;
+ key = rcu_deref_link_locked(klist, loop,
+ keyring);
++ serial = key->serial;
+
+ tmp = sizeof(key_serial_t);
+ if (tmp > buflen)
+ tmp = buflen;
+
+- if (copy_to_user(buffer,
+- &key->serial,
+- tmp) != 0)
++ if (copy_to_user(buffer, &serial, tmp))
+ goto error;
+
+ buflen -= tmp;
+diff --git a/security/min_addr.c b/security/min_addr.c
+index f728728..6457a0c 100644
+--- a/security/min_addr.c
++++ b/security/min_addr.c
+@@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
+ */
+ static void update_mmap_min_addr(void)
+ {
++#ifndef SPARC
+ #ifdef CONFIG_LSM_MMAP_MIN_ADDR
+ if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR)
+ mmap_min_addr = dac_mmap_min_addr;
+@@ -22,6 +23,7 @@ static void update_mmap_min_addr(void)
+ #else
+ mmap_min_addr = dac_mmap_min_addr;
+ #endif
++#endif
+ }
+
+ /*
+diff --git a/security/security.c b/security/security.c
+index 860aeb3..45765c0 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -20,6 +20,7 @@
+ #include <linux/ima.h>
+ #include <linux/evm.h>
+ #include <linux/fsnotify.h>
++#include <linux/mm.h>
+ #include <linux/mman.h>
+ #include <linux/mount.h>
+ #include <linux/personality.h>
+@@ -32,8 +33,8 @@
+ static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
+ CONFIG_DEFAULT_SECURITY;
+
+-static struct security_operations *security_ops;
+-static struct security_operations default_security_ops = {
++static struct security_operations *security_ops __read_only;
++static struct security_operations default_security_ops __read_only = {
+ .name = "default",
+ };
+
+@@ -74,7 +75,9 @@ int __init security_init(void)
+
+ void reset_security_ops(void)
+ {
++ pax_open_kernel();
+ security_ops = &default_security_ops;
++ pax_close_kernel();
+ }
+
+ /* Save user chosen LSM */
+diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
+index 6c77f63..7496c76 100644
+--- a/security/selinux/hooks.c
++++ b/security/selinux/hooks.c
+@@ -95,8 +95,6 @@
+
+ #define NUM_SEL_MNT_OPTS 5
+
+-extern struct security_operations *security_ops;
+-
+ /* SECMARK reference count */
+ static atomic_t selinux_secmark_refcount = ATOMIC_INIT(0);
+
+@@ -5511,7 +5509,7 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
+
+ #endif
+
+-static struct security_operations selinux_ops = {
++static struct security_operations selinux_ops __read_only = {
+ .name = "selinux",
+
+ .ptrace_access_check = selinux_ptrace_access_check,
+diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
+index 65f67cb..3f141ef 100644
+--- a/security/selinux/include/xfrm.h
++++ b/security/selinux/include/xfrm.h
+@@ -50,7 +50,7 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
+
+ static inline void selinux_xfrm_notify_policyload(void)
+ {
+- atomic_inc(&flow_cache_genid);
++ atomic_inc_unchecked(&flow_cache_genid);
+ rt_genid_bump(&init_net);
+ }
+ #else
+diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
+index 8221514..5c4775f 100644
+--- a/security/smack/smack_lsm.c
++++ b/security/smack/smack_lsm.c
+@@ -3429,7 +3429,7 @@ static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
+ return 0;
+ }
+
+-struct security_operations smack_ops = {
++struct security_operations smack_ops __read_only = {
+ .name = "smack",
+
+ .ptrace_access_check = smack_ptrace_access_check,
+diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
+index c2d04a5..e6a1aeb 100644
+--- a/security/tomoyo/tomoyo.c
++++ b/security/tomoyo/tomoyo.c
+@@ -501,7 +501,7 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg,
+ * tomoyo_security_ops is a "struct security_operations" which is used for
+ * registering TOMOYO.
+ */
+-static struct security_operations tomoyo_security_ops = {
++static struct security_operations tomoyo_security_ops __read_only = {
+ .name = "tomoyo",
+ .cred_alloc_blank = tomoyo_cred_alloc_blank,
+ .cred_prepare = tomoyo_cred_prepare,
+diff --git a/security/yama/Kconfig b/security/yama/Kconfig
+index 51d6709..1f3dbe2 100644
+--- a/security/yama/Kconfig
++++ b/security/yama/Kconfig
+@@ -1,6 +1,6 @@
+ config SECURITY_YAMA
+ bool "Yama support"
+- depends on SECURITY
++ depends on SECURITY && !GRKERNSEC
+ select SECURITYFS
+ select SECURITY_PATH
+ default n
+diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
+index 4cedc69..e59d8a3 100644
+--- a/sound/aoa/codecs/onyx.c
++++ b/sound/aoa/codecs/onyx.c
+@@ -54,7 +54,7 @@ struct onyx {
+ spdif_locked:1,
+ analog_locked:1,
+ original_mute:2;
+- int open_count;
++ local_t open_count;
+ struct codec_info *codec_info;
+
+ /* mutex serializes concurrent access to the device
+@@ -753,7 +753,7 @@ static int onyx_open(struct codec_info_item *cii,
+ struct onyx *onyx = cii->codec_data;
+
+ mutex_lock(&onyx->mutex);
+- onyx->open_count++;
++ local_inc(&onyx->open_count);
+ mutex_unlock(&onyx->mutex);
+
+ return 0;
+@@ -765,8 +765,7 @@ static int onyx_close(struct codec_info_item *cii,
+ struct onyx *onyx = cii->codec_data;
+
+ mutex_lock(&onyx->mutex);
+- onyx->open_count--;
+- if (!onyx->open_count)
++ if (local_dec_and_test(&onyx->open_count))
+ onyx->spdif_locked = onyx->analog_locked = 0;
+ mutex_unlock(&onyx->mutex);
+
+diff --git a/sound/aoa/codecs/onyx.h b/sound/aoa/codecs/onyx.h
+index ffd2025..df062c9 100644
+--- a/sound/aoa/codecs/onyx.h
++++ b/sound/aoa/codecs/onyx.h
+@@ -11,6 +11,7 @@
+ #include <linux/i2c.h>
+ #include <asm/pmac_low_i2c.h>
+ #include <asm/prom.h>
++#include <asm/local.h>
+
+ /* PCM3052 register definitions */
+
+diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
+index 08fde00..0bf641a 100644
+--- a/sound/core/oss/pcm_oss.c
++++ b/sound/core/oss/pcm_oss.c
+@@ -1189,10 +1189,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const
+ if (in_kernel) {
+ mm_segment_t fs;
+ fs = snd_enter_user();
+- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
++ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
+ snd_leave_user(fs);
+ } else {
+- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
++ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
+ }
+ if (ret != -EPIPE && ret != -ESTRPIPE)
+ break;
+@@ -1234,10 +1234,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p
+ if (in_kernel) {
+ mm_segment_t fs;
+ fs = snd_enter_user();
+- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
++ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
+ snd_leave_user(fs);
+ } else {
+- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
++ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
+ }
+ if (ret == -EPIPE) {
+ if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
+@@ -1337,7 +1337,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
+ struct snd_pcm_plugin_channel *channels;
+ size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
+ if (!in_kernel) {
+- if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))
++ if (copy_from_user(runtime->oss.buffer, (const char __force_user *)buf, bytes))
+ return -EFAULT;
+ buf = runtime->oss.buffer;
+ }
+@@ -1407,7 +1407,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
+ }
+ } else {
+ tmp = snd_pcm_oss_write2(substream,
+- (const char __force *)buf,
++ (const char __force_kernel *)buf,
+ runtime->oss.period_bytes, 0);
+ if (tmp <= 0)
+ goto err;
+@@ -1433,7 +1433,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ snd_pcm_sframes_t frames, frames1;
+ #ifdef CONFIG_SND_PCM_OSS_PLUGINS
+- char __user *final_dst = (char __force __user *)buf;
++ char __user *final_dst = (char __force_user *)buf;
+ if (runtime->oss.plugin_first) {
+ struct snd_pcm_plugin_channel *channels;
+ size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8;
+@@ -1495,7 +1495,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
+ xfer += tmp;
+ runtime->oss.buffer_used -= tmp;
+ } else {
+- tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
++ tmp = snd_pcm_oss_read2(substream, (char __force_kernel *)buf,
+ runtime->oss.period_bytes, 0);
+ if (tmp <= 0)
+ goto err;
+@@ -1663,7 +1663,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ size1);
+ size1 /= runtime->channels; /* frames */
+ fs = snd_enter_user();
+- snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1);
++ snd_pcm_lib_write(substream, (void __force_user *)runtime->oss.buffer, size1);
+ snd_leave_user(fs);
+ }
+ } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
+diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
+index 91cdf94..4085161 100644
+--- a/sound/core/pcm_compat.c
++++ b/sound/core/pcm_compat.c
+@@ -31,7 +31,7 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
+ int err;
+
+ fs = snd_enter_user();
+- err = snd_pcm_delay(substream, &delay);
++ err = snd_pcm_delay(substream, (snd_pcm_sframes_t __force_user *)&delay);
+ snd_leave_user(fs);
+ if (err < 0)
+ return err;
+diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
+index 53b5ada..2db94c8 100644
+--- a/sound/core/pcm_native.c
++++ b/sound/core/pcm_native.c
+@@ -2780,11 +2780,11 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
+ switch (substream->stream) {
+ case SNDRV_PCM_STREAM_PLAYBACK:
+ result = snd_pcm_playback_ioctl1(NULL, substream, cmd,
+- (void __user *)arg);
++ (void __force_user *)arg);
+ break;
+ case SNDRV_PCM_STREAM_CAPTURE:
+ result = snd_pcm_capture_ioctl1(NULL, substream, cmd,
+- (void __user *)arg);
++ (void __force_user *)arg);
+ break;
+ default:
+ result = -EINVAL;
+diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
+index 5cf8d65..912a79c 100644
+--- a/sound/core/seq/seq_device.c
++++ b/sound/core/seq/seq_device.c
+@@ -64,7 +64,7 @@ struct ops_list {
+ int argsize; /* argument size */
+
+ /* operators */
+- struct snd_seq_dev_ops ops;
++ struct snd_seq_dev_ops *ops;
+
+ /* registred devices */
+ struct list_head dev_list; /* list of devices */
+@@ -333,7 +333,7 @@ int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry,
+
+ mutex_lock(&ops->reg_mutex);
+ /* copy driver operators */
+- ops->ops = *entry;
++ ops->ops = entry;
+ ops->driver |= DRIVER_LOADED;
+ ops->argsize = argsize;
+
+@@ -463,7 +463,7 @@ static int init_device(struct snd_seq_device *dev, struct ops_list *ops)
+ dev->name, ops->id, ops->argsize, dev->argsize);
+ return -EINVAL;
+ }
+- if (ops->ops.init_device(dev) >= 0) {
++ if (ops->ops->init_device(dev) >= 0) {
+ dev->status = SNDRV_SEQ_DEVICE_REGISTERED;
+ ops->num_init_devices++;
+ } else {
+@@ -490,7 +490,7 @@ static int free_device(struct snd_seq_device *dev, struct ops_list *ops)
+ dev->name, ops->id, ops->argsize, dev->argsize);
+ return -EINVAL;
+ }
+- if ((result = ops->ops.free_device(dev)) >= 0 || result == -ENXIO) {
++ if ((result = ops->ops->free_device(dev)) >= 0 || result == -ENXIO) {
+ dev->status = SNDRV_SEQ_DEVICE_FREE;
+ dev->driver_data = NULL;
+ ops->num_init_devices--;
+diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
+index 2d5514b..3afae9c 100644
+--- a/sound/drivers/mts64.c
++++ b/sound/drivers/mts64.c
+@@ -29,6 +29,7 @@
+ #include <sound/initval.h>
+ #include <sound/rawmidi.h>
+ #include <sound/control.h>
++#include <asm/local.h>
+
+ #define CARD_NAME "Miditerminal 4140"
+ #define DRIVER_NAME "MTS64"
+@@ -67,7 +68,7 @@ struct mts64 {
+ struct pardevice *pardev;
+ int pardev_claimed;
+
+- int open_count;
++ local_t open_count;
+ int current_midi_output_port;
+ int current_midi_input_port;
+ u8 mode[MTS64_NUM_INPUT_PORTS];
+@@ -697,7 +698,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
+ {
+ struct mts64 *mts = substream->rmidi->private_data;
+
+- if (mts->open_count == 0) {
++ if (local_read(&mts->open_count) == 0) {
+ /* We don't need a spinlock here, because this is just called
+ if the device has not been opened before.
+ So there aren't any IRQs from the device */
+@@ -705,7 +706,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
+
+ msleep(50);
+ }
+- ++(mts->open_count);
++ local_inc(&mts->open_count);
+
+ return 0;
+ }
+@@ -715,8 +716,7 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
+ struct mts64 *mts = substream->rmidi->private_data;
+ unsigned long flags;
+
+- --(mts->open_count);
+- if (mts->open_count == 0) {
++ if (local_dec_return(&mts->open_count) == 0) {
+ /* We need the spinlock_irqsave here because we can still
+ have IRQs at this point */
+ spin_lock_irqsave(&mts->lock, flags);
+@@ -725,8 +725,8 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
+
+ msleep(500);
+
+- } else if (mts->open_count < 0)
+- mts->open_count = 0;
++ } else if (local_read(&mts->open_count) < 0)
++ local_set(&mts->open_count, 0);
+
+ return 0;
+ }
+diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
+index b953fb4..1999c01 100644
+--- a/sound/drivers/opl4/opl4_lib.c
++++ b/sound/drivers/opl4/opl4_lib.c
+@@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch <clemens(a)ladisch.de>");
+ MODULE_DESCRIPTION("OPL4 driver");
+ MODULE_LICENSE("GPL");
+
+-static void inline snd_opl4_wait(struct snd_opl4 *opl4)
++static inline void snd_opl4_wait(struct snd_opl4 *opl4)
+ {
+ int timeout = 10;
+ while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0)
+diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
+index 8364855..59f2e2b 100644
+--- a/sound/drivers/portman2x4.c
++++ b/sound/drivers/portman2x4.c
+@@ -48,6 +48,7 @@
+ #include <sound/initval.h>
+ #include <sound/rawmidi.h>
+ #include <sound/control.h>
++#include <asm/local.h>
+
+ #define CARD_NAME "Portman 2x4"
+ #define DRIVER_NAME "portman"
+@@ -85,7 +86,7 @@ struct portman {
+ struct pardevice *pardev;
+ int pardev_claimed;
+
+- int open_count;
++ local_t open_count;
+ int mode[PORTMAN_NUM_INPUT_PORTS];
+ struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS];
+ };
+diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c
+index ea995af..f1bfa37 100644
+--- a/sound/firewire/amdtp.c
++++ b/sound/firewire/amdtp.c
+@@ -389,7 +389,7 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle)
+ ptr = s->pcm_buffer_pointer + data_blocks;
+ if (ptr >= pcm->runtime->buffer_size)
+ ptr -= pcm->runtime->buffer_size;
+- ACCESS_ONCE(s->pcm_buffer_pointer) = ptr;
++ ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr;
+
+ s->pcm_period_pointer += data_blocks;
+ if (s->pcm_period_pointer >= pcm->runtime->period_size) {
+@@ -557,7 +557,7 @@ EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer);
+ */
+ void amdtp_out_stream_update(struct amdtp_out_stream *s)
+ {
+- ACCESS_ONCE(s->source_node_id_field) =
++ ACCESS_ONCE_RW(s->source_node_id_field) =
+ (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24;
+ }
+ EXPORT_SYMBOL(amdtp_out_stream_update);
+diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
+index b680c5e..061b7a0 100644
+--- a/sound/firewire/amdtp.h
++++ b/sound/firewire/amdtp.h
+@@ -139,7 +139,7 @@ static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s)
+ static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s,
+ struct snd_pcm_substream *pcm)
+ {
+- ACCESS_ONCE(s->pcm) = pcm;
++ ACCESS_ONCE_RW(s->pcm) = pcm;
+ }
+
+ static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc)
+diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
+index d428ffe..751ef78 100644
+--- a/sound/firewire/isight.c
++++ b/sound/firewire/isight.c
+@@ -96,7 +96,7 @@ static void isight_update_pointers(struct isight *isight, unsigned int count)
+ ptr += count;
+ if (ptr >= runtime->buffer_size)
+ ptr -= runtime->buffer_size;
+- ACCESS_ONCE(isight->buffer_pointer) = ptr;
++ ACCESS_ONCE_RW(isight->buffer_pointer) = ptr;
+
+ isight->period_counter += count;
+ if (isight->period_counter >= runtime->period_size) {
+@@ -307,7 +307,7 @@ static int isight_hw_params(struct snd_pcm_substream *substream,
+ if (err < 0)
+ return err;
+
+- ACCESS_ONCE(isight->pcm_active) = true;
++ ACCESS_ONCE_RW(isight->pcm_active) = true;
+
+ return 0;
+ }
+@@ -340,7 +340,7 @@ static int isight_hw_free(struct snd_pcm_substream *substream)
+ {
+ struct isight *isight = substream->private_data;
+
+- ACCESS_ONCE(isight->pcm_active) = false;
++ ACCESS_ONCE_RW(isight->pcm_active) = false;
+
+ mutex_lock(&isight->mutex);
+ isight_stop_streaming(isight);
+@@ -433,10 +433,10 @@ static int isight_trigger(struct snd_pcm_substream *substream, int cmd)
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+- ACCESS_ONCE(isight->pcm_running) = true;
++ ACCESS_ONCE_RW(isight->pcm_running) = true;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+- ACCESS_ONCE(isight->pcm_running) = false;
++ ACCESS_ONCE_RW(isight->pcm_running) = false;
+ break;
+ default:
+ return -EINVAL;
+diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
+index 7bd5e33..1fcab12 100644
+--- a/sound/isa/cmi8330.c
++++ b/sound/isa/cmi8330.c
+@@ -172,7 +172,7 @@ struct snd_cmi8330 {
+
+ struct snd_pcm *pcm;
+ struct snd_cmi8330_stream {
+- struct snd_pcm_ops ops;
++ snd_pcm_ops_no_const ops;
+ snd_pcm_open_callback_t open;
+ void *private_data; /* sb or wss */
+ } streams[2];
+diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c
+index b2b3c01..e1c1e1f 100644
+--- a/sound/oss/sb_audio.c
++++ b/sound/oss/sb_audio.c
+@@ -903,7 +903,7 @@ sb16_copy_from_user(int dev,
+ buf16 = (signed short *)(localbuf + localoffs);
+ while (c)
+ {
+- locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
++ locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
+ if (copy_from_user(lbuf8,
+ userbuf+useroffs + p,
+ locallen))
+diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
+index 7d8803a..559f8d0 100644
+--- a/sound/oss/swarm_cs4297a.c
++++ b/sound/oss/swarm_cs4297a.c
+@@ -2621,7 +2621,6 @@ static int __init cs4297a_init(void)
+ {
+ struct cs4297a_state *s;
+ u32 pwr, id;
+- mm_segment_t fs;
+ int rval;
+ #ifndef CONFIG_BCM_CS4297A_CSWARM
+ u64 cfg;
+@@ -2711,22 +2710,23 @@ static int __init cs4297a_init(void)
+ if (!rval) {
+ char *sb1250_duart_present;
+
++#if 0
++ mm_segment_t fs;
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+-#if 0
+ val = SOUND_MASK_LINE;
+ mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val);
+ for (i = 0; i < ARRAY_SIZE(initvol); i++) {
+ val = initvol[i].vol;
+ mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val);
+ }
++ set_fs(fs);
+ // cs4297a_write_ac97(s, 0x18, 0x0808);
+ #else
+ // cs4297a_write_ac97(s, 0x5e, 0x180);
+ cs4297a_write_ac97(s, 0x02, 0x0808);
+ cs4297a_write_ac97(s, 0x18, 0x0808);
+ #endif
+- set_fs(fs);
+
+ list_add(&s->list, &cs4297a_devs);
+
+diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
+index e5a7e19..4049063 100644
+--- a/sound/pci/hda/hda_codec.h
++++ b/sound/pci/hda/hda_codec.h
+@@ -614,7 +614,7 @@ struct hda_bus_ops {
+ /* notify power-up/down from codec to controller */
+ void (*pm_notify)(struct hda_bus *bus);
+ #endif
+-};
++} __no_const;
+
+ /* template to pass to the bus constructor */
+ struct hda_bus_template {
+@@ -714,6 +714,7 @@ struct hda_codec_ops {
+ #endif
+ void (*reboot_notify)(struct hda_codec *codec);
+ };
++typedef struct hda_codec_ops __no_const hda_codec_ops_no_const;
+
+ /* record for amp information cache */
+ struct hda_cache_head {
+@@ -744,7 +745,7 @@ struct hda_pcm_ops {
+ struct snd_pcm_substream *substream);
+ int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
+ struct snd_pcm_substream *substream);
+-};
++} __no_const;
+
+ /* PCM information for each substream */
+ struct hda_pcm_stream {
+@@ -802,7 +803,7 @@ struct hda_codec {
+ const char *modelname; /* model name for preset */
+
+ /* set by patch */
+- struct hda_codec_ops patch_ops;
++ hda_codec_ops_no_const patch_ops;
+
+ /* PCM to create, set by patch_ops.build_pcms callback */
+ unsigned int num_pcms;
+diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
+index 0da778a..bc38b84 100644
+--- a/sound/pci/ice1712/ice1712.h
++++ b/sound/pci/ice1712/ice1712.h
+@@ -269,7 +269,7 @@ struct snd_ak4xxx_private {
+ unsigned int mask_flags; /* total mask bits */
+ struct snd_akm4xxx_ops {
+ void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
+- } ops;
++ } __no_const ops;
+ };
+
+ struct snd_ice1712_spdif {
+@@ -285,7 +285,7 @@ struct snd_ice1712_spdif {
+ int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
+ void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
+ int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
+- } ops;
++ } __no_const ops;
+ };
+
+
+diff --git a/sound/pci/ymfpci/ymfpci.h b/sound/pci/ymfpci/ymfpci.h
+index bddc405..2c0733c 100644
+--- a/sound/pci/ymfpci/ymfpci.h
++++ b/sound/pci/ymfpci/ymfpci.h
+@@ -358,7 +358,7 @@ struct snd_ymfpci {
+ spinlock_t reg_lock;
+ spinlock_t voice_lock;
+ wait_queue_head_t interrupt_sleep;
+- atomic_t interrupt_sleep_count;
++ atomic_unchecked_t interrupt_sleep_count;
+ struct snd_info_entry *proc_entry;
+ const struct firmware *dsp_microcode;
+ const struct firmware *controller_microcode;
+diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
+index 62b2363..ee77972 100644
+--- a/sound/pci/ymfpci/ymfpci_main.c
++++ b/sound/pci/ymfpci/ymfpci_main.c
+@@ -203,8 +203,8 @@ static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
+ if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
+ break;
+ }
+- if (atomic_read(&chip->interrupt_sleep_count)) {
+- atomic_set(&chip->interrupt_sleep_count, 0);
++ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
++ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
+ wake_up(&chip->interrupt_sleep);
+ }
+ __end:
+@@ -788,7 +788,7 @@ static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
+ continue;
+ init_waitqueue_entry(&wait, current);
+ add_wait_queue(&chip->interrupt_sleep, &wait);
+- atomic_inc(&chip->interrupt_sleep_count);
++ atomic_inc_unchecked(&chip->interrupt_sleep_count);
+ schedule_timeout_uninterruptible(msecs_to_jiffies(50));
+ remove_wait_queue(&chip->interrupt_sleep, &wait);
+ }
+@@ -826,8 +826,8 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
+ snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
+ spin_unlock(&chip->reg_lock);
+
+- if (atomic_read(&chip->interrupt_sleep_count)) {
+- atomic_set(&chip->interrupt_sleep_count, 0);
++ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
++ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
+ wake_up(&chip->interrupt_sleep);
+ }
+ }
+@@ -2402,7 +2402,7 @@ int __devinit snd_ymfpci_create(struct snd_card *card,
+ spin_lock_init(&chip->reg_lock);
+ spin_lock_init(&chip->voice_lock);
+ init_waitqueue_head(&chip->interrupt_sleep);
+- atomic_set(&chip->interrupt_sleep_count, 0);
++ atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
+ chip->card = card;
+ chip->pci = pci;
+ chip->irq = -1;
+diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore
+new file mode 100644
+index 0000000..50f2f2f
+--- /dev/null
++++ b/tools/gcc/.gitignore
+@@ -0,0 +1 @@
++size_overflow_hash.h
+diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile
+new file mode 100644
+index 0000000..1d09b7e
+--- /dev/null
++++ b/tools/gcc/Makefile
+@@ -0,0 +1,43 @@
++#CC := gcc
++#PLUGIN_SOURCE_FILES := pax_plugin.c
++#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES))
++GCCPLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
++#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -std=gnu99
++
++ifeq ($(PLUGINCC),$(HOSTCC))
++HOSTLIBS := hostlibs
++HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(GCCPLUGINS_DIR)/include/c-family -std=gnu99 -ggdb
++else
++HOSTLIBS := hostcxxlibs
++HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(GCCPLUGINS_DIR)/include/c-family -std=gnu++98 -ggdb -Wno-unused-parameter
++endif
++
++$(HOSTLIBS)-y := constify_plugin.so
++$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STACKLEAK) += stackleak_plugin.so
++$(HOSTLIBS)-$(CONFIG_KALLOCSTAT_PLUGIN) += kallocstat_plugin.so
++$(HOSTLIBS)-$(CONFIG_PAX_KERNEXEC_PLUGIN) += kernexec_plugin.so
++$(HOSTLIBS)-$(CONFIG_CHECKER_PLUGIN) += checker_plugin.so
++$(HOSTLIBS)-y += colorize_plugin.so
++$(HOSTLIBS)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so
++$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so
++
++always := $($(HOSTLIBS)-y)
++
++constify_plugin-objs := constify_plugin.o
++stackleak_plugin-objs := stackleak_plugin.o
++kallocstat_plugin-objs := kallocstat_plugin.o
++kernexec_plugin-objs := kernexec_plugin.o
++checker_plugin-objs := checker_plugin.o
++colorize_plugin-objs := colorize_plugin.o
++size_overflow_plugin-objs := size_overflow_plugin.o
++latent_entropy_plugin-objs := latent_entropy_plugin.o
++
++$(obj)/size_overflow_plugin.o: $(objtree)/$(obj)/size_overflow_hash.h
++
++quiet_cmd_build_size_overflow_hash = GENHASH $@
++ cmd_build_size_overflow_hash = \
++ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -d $< -o $@
++$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE
++ $(call if_changed,build_size_overflow_hash)
++
++targets += size_overflow_hash.h
+diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c
+new file mode 100644
+index 0000000..d41b5af
+--- /dev/null
++++ b/tools/gcc/checker_plugin.c
+@@ -0,0 +1,171 @@
++/*
++ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to implement various sparse (source code checker) features
++ *
++ * TODO:
++ * - define separate __iomem, __percpu and __rcu address spaces (lots of code to patch)
++ *
++ * BUGS:
++ * - none known
++ */
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++//#include "expr.h" where are you...
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++#include "tree-flow.h"
++#include "target.h"
++
++extern void c_register_addr_space (const char *str, addr_space_t as);
++extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
++extern enum machine_mode default_addr_space_address_mode (addr_space_t);
++extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as);
++extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as);
++extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as);
++
++extern void print_gimple_stmt(FILE *, gimple, int, int);
++extern rtx emit_move_insn(rtx x, rtx y);
++
++int plugin_is_GPL_compatible;
++
++static struct plugin_info checker_plugin_info = {
++ .version = "201111150100",
++};
++
++#define ADDR_SPACE_KERNEL 0
++#define ADDR_SPACE_FORCE_KERNEL 1
++#define ADDR_SPACE_USER 2
++#define ADDR_SPACE_FORCE_USER 3
++#define ADDR_SPACE_IOMEM 0
++#define ADDR_SPACE_FORCE_IOMEM 0
++#define ADDR_SPACE_PERCPU 0
++#define ADDR_SPACE_FORCE_PERCPU 0
++#define ADDR_SPACE_RCU 0
++#define ADDR_SPACE_FORCE_RCU 0
++
++static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace)
++{
++ return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC);
++}
++
++static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace)
++{
++ return default_addr_space_address_mode(ADDR_SPACE_GENERIC);
++}
++
++static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as)
++{
++ return default_addr_space_valid_pointer_mode(mode, as);
++}
++
++static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as)
++{
++ return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC);
++}
++
++static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as)
++{
++ return default_addr_space_legitimize_address(x, oldx, mode, as);
++}
++
++static bool checker_addr_space_subset_p(addr_space_t subset, addr_space_t superset)
++{
++ if (subset == ADDR_SPACE_FORCE_KERNEL && superset == ADDR_SPACE_KERNEL)
++ return true;
++
++ if (subset == ADDR_SPACE_FORCE_USER && superset == ADDR_SPACE_USER)
++ return true;
++
++ if (subset == ADDR_SPACE_FORCE_IOMEM && superset == ADDR_SPACE_IOMEM)
++ return true;
++
++ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_USER)
++ return true;
++
++ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_IOMEM)
++ return true;
++
++ if (subset == ADDR_SPACE_USER && superset == ADDR_SPACE_FORCE_KERNEL)
++ return true;
++
++ if (subset == ADDR_SPACE_IOMEM && superset == ADDR_SPACE_FORCE_KERNEL)
++ return true;
++
++ return subset == superset;
++}
++
++static rtx checker_addr_space_convert(rtx op, tree from_type, tree to_type)
++{
++// addr_space_t from_as = TYPE_ADDR_SPACE(TREE_TYPE(from_type));
++// addr_space_t to_as = TYPE_ADDR_SPACE(TREE_TYPE(to_type));
++
++ return op;
++}
++
++static void register_checker_address_spaces(void *event_data, void *data)
++{
++ c_register_addr_space("__kernel", ADDR_SPACE_KERNEL);
++ c_register_addr_space("__force_kernel", ADDR_SPACE_FORCE_KERNEL);
++ c_register_addr_space("__user", ADDR_SPACE_USER);
++ c_register_addr_space("__force_user", ADDR_SPACE_FORCE_USER);
++// c_register_addr_space("__iomem", ADDR_SPACE_IOMEM);
++// c_register_addr_space("__force_iomem", ADDR_SPACE_FORCE_IOMEM);
++// c_register_addr_space("__percpu", ADDR_SPACE_PERCPU);
++// c_register_addr_space("__force_percpu", ADDR_SPACE_FORCE_PERCPU);
++// c_register_addr_space("__rcu", ADDR_SPACE_RCU);
++// c_register_addr_space("__force_rcu", ADDR_SPACE_FORCE_RCU);
++
++ targetm.addr_space.pointer_mode = checker_addr_space_pointer_mode;
++ targetm.addr_space.address_mode = checker_addr_space_address_mode;
++ targetm.addr_space.valid_pointer_mode = checker_addr_space_valid_pointer_mode;
++ targetm.addr_space.legitimate_address_p = checker_addr_space_legitimate_address_p;
++// targetm.addr_space.legitimize_address = checker_addr_space_legitimize_address;
++ targetm.addr_space.subset_p = checker_addr_space_subset_p;
++ targetm.addr_space.convert = checker_addr_space_convert;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ const int argc = plugin_info->argc;
++ const struct plugin_argument * const argv = plugin_info->argv;
++ int i;
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &checker_plugin_info);
++
++ for (i = 0; i < argc; ++i)
++ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++
++ if (TARGET_64BIT == 0)
++ return 0;
++
++ register_callback(plugin_name, PLUGIN_PRAGMAS, register_checker_address_spaces, NULL);
++
++ return 0;
++}
+diff --git a/tools/gcc/colorize_plugin.c b/tools/gcc/colorize_plugin.c
+new file mode 100644
+index 0000000..846aeb0
+--- /dev/null
++++ b/tools/gcc/colorize_plugin.c
+@@ -0,0 +1,148 @@
++/*
++ * Copyright 2012 by PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to colorize diagnostic output
++ *
++ */
++
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++
++int plugin_is_GPL_compatible;
++
++static struct plugin_info colorize_plugin_info = {
++ .version = "201203092200",
++ .help = NULL,
++};
++
++#define GREEN "\033[32m\033[2m"
++#define LIGHTGREEN "\033[32m\033[1m"
++#define YELLOW "\033[33m\033[2m"
++#define LIGHTYELLOW "\033[33m\033[1m"
++#define RED "\033[31m\033[2m"
++#define LIGHTRED "\033[31m\033[1m"
++#define BLUE "\033[34m\033[2m"
++#define LIGHTBLUE "\033[34m\033[1m"
++#define BRIGHT "\033[m\033[1m"
++#define NORMAL "\033[m"
++
++static diagnostic_starter_fn old_starter;
++static diagnostic_finalizer_fn old_finalizer;
++
++static void start_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
++{
++ const char *color;
++ char *newprefix;
++
++ switch (diagnostic->kind) {
++ case DK_NOTE:
++ color = LIGHTBLUE;
++ break;
++
++ case DK_PEDWARN:
++ case DK_WARNING:
++ color = LIGHTYELLOW;
++ break;
++
++ case DK_ERROR:
++ case DK_FATAL:
++ case DK_ICE:
++ case DK_PERMERROR:
++ case DK_SORRY:
++ color = LIGHTRED;
++ break;
++
++ default:
++ color = NORMAL;
++ }
++
++ old_starter(context, diagnostic);
++ if (-1 == asprintf(&newprefix, "%s%s" NORMAL, color, context->printer->prefix))
++ return;
++ pp_destroy_prefix(context->printer);
++ pp_set_prefix(context->printer, newprefix);
++}
++
++static void finalize_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
++{
++ old_finalizer(context, diagnostic);
++}
++
++static void colorize_arm(void)
++{
++ old_starter = diagnostic_starter(global_dc);
++ old_finalizer = diagnostic_finalizer(global_dc);
++
++ diagnostic_starter(global_dc) = start_colorize;
++ diagnostic_finalizer(global_dc) = finalize_colorize;
++}
++
++static unsigned int execute_colorize_rearm(void)
++{
++ if (diagnostic_starter(global_dc) == start_colorize)
++ return 0;
++
++ colorize_arm();
++ return 0;
++}
++
++struct simple_ipa_opt_pass pass_ipa_colorize_rearm = {
++ .pass = {
++ .type = SIMPLE_IPA_PASS,
++ .name = "colorize_rearm",
++ .gate = NULL,
++ .execute = execute_colorize_rearm,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = 0
++ }
++};
++
++static void colorize_start_unit(void *gcc_data, void *user_data)
++{
++ colorize_arm();
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ struct register_pass_info colorize_rearm_pass_info = {
++ .pass = &pass_ipa_colorize_rearm.pass,
++ .reference_pass_name = "*free_lang_data",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &colorize_plugin_info);
++ register_callback(plugin_name, PLUGIN_START_UNIT, &colorize_start_unit, NULL);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &colorize_rearm_pass_info);
++ return 0;
++}
+diff --git a/tools/gcc/constify_plugin.c b/tools/gcc/constify_plugin.c
+new file mode 100644
+index 0000000..92ed719
+--- /dev/null
++++ b/tools/gcc/constify_plugin.c
+@@ -0,0 +1,331 @@
++/*
++ * Copyright 2011 by Emese Revfy <re.emese(a)gmail.com>
++ * Copyright 2011 by PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2, or (at your option) v3
++ *
++ * This gcc plugin constifies all structures which contain only function pointers or are explicitly marked for constification.
++ *
++ * Homepage:
++ * http://www.grsecurity.net/~ephox/const_plugin/
++ *
++ * Usage:
++ * $ gcc -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -o constify_plugin.so constify_plugin.c
++ * $ gcc -fplugin=constify_plugin.so test.c -O2
++ */
++
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++#include "tree-flow.h"
++
++#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
++
++int plugin_is_GPL_compatible;
++
++static struct plugin_info const_plugin_info = {
++ .version = "201205300030",
++ .help = "no-constify\tturn off constification\n",
++};
++
++static void deconstify_tree(tree node);
++
++static void deconstify_type(tree type)
++{
++ tree field;
++
++ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) {
++ tree type = TREE_TYPE(field);
++
++ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
++ continue;
++ if (!TYPE_READONLY(type))
++ continue;
++
++ deconstify_tree(field);
++ }
++ TYPE_READONLY(type) = 0;
++ C_TYPE_FIELDS_READONLY(type) = 0;
++}
++
++static void deconstify_tree(tree node)
++{
++ tree old_type, new_type, field;
++
++ old_type = TREE_TYPE(node);
++
++ gcc_assert(TYPE_READONLY(old_type) && (TYPE_QUALS(old_type) & TYPE_QUAL_CONST));
++
++ new_type = build_qualified_type(old_type, TYPE_QUALS(old_type) & ~TYPE_QUAL_CONST);
++ TYPE_FIELDS(new_type) = copy_list(TYPE_FIELDS(new_type));
++ for (field = TYPE_FIELDS(new_type); field; field = TREE_CHAIN(field))
++ DECL_FIELD_CONTEXT(field) = new_type;
++
++ deconstify_type(new_type);
++
++ TREE_READONLY(node) = 0;
++ TREE_TYPE(node) = new_type;
++}
++
++static tree handle_no_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
++{
++ tree type;
++
++ *no_add_attrs = true;
++ if (TREE_CODE(*node) == FUNCTION_DECL) {
++ error("%qE attribute does not apply to functions", name);
++ return NULL_TREE;
++ }
++
++ if (TREE_CODE(*node) == VAR_DECL) {
++ error("%qE attribute does not apply to variables", name);
++ return NULL_TREE;
++ }
++
++ if (TYPE_P(*node)) {
++ if (TREE_CODE(*node) == RECORD_TYPE || TREE_CODE(*node) == UNION_TYPE)
++ *no_add_attrs = false;
++ else
++ error("%qE attribute applies to struct and union types only", name);
++ return NULL_TREE;
++ }
++
++ type = TREE_TYPE(*node);
++
++ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) {
++ error("%qE attribute applies to struct and union types only", name);
++ return NULL_TREE;
++ }
++
++ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) {
++ error("%qE attribute is already applied to the type", name);
++ return NULL_TREE;
++ }
++
++ if (TREE_CODE(*node) == TYPE_DECL && !TYPE_READONLY(type)) {
++ error("%qE attribute used on type that is not constified", name);
++ return NULL_TREE;
++ }
++
++ if (TREE_CODE(*node) == TYPE_DECL) {
++ deconstify_tree(*node);
++ return NULL_TREE;
++ }
++
++ return NULL_TREE;
++}
++
++static void constify_type(tree type)
++{
++ TYPE_READONLY(type) = 1;
++ C_TYPE_FIELDS_READONLY(type) = 1;
++}
++
++static tree handle_do_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
++{
++ *no_add_attrs = true;
++ if (!TYPE_P(*node)) {
++ error("%qE attribute applies to types only", name);
++ return NULL_TREE;
++ }
++
++ if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) {
++ error("%qE attribute applies to struct and union types only", name);
++ return NULL_TREE;
++ }
++
++ *no_add_attrs = false;
++ constify_type(*node);
++ return NULL_TREE;
++}
++
++static struct attribute_spec no_const_attr = {
++ .name = "no_const",
++ .min_length = 0,
++ .max_length = 0,
++ .decl_required = false,
++ .type_required = false,
++ .function_type_required = false,
++ .handler = handle_no_const_attribute,
++#if BUILDING_GCC_VERSION >= 4007
++ .affects_type_identity = true
++#endif
++};
++
++static struct attribute_spec do_const_attr = {
++ .name = "do_const",
++ .min_length = 0,
++ .max_length = 0,
++ .decl_required = false,
++ .type_required = false,
++ .function_type_required = false,
++ .handler = handle_do_const_attribute,
++#if BUILDING_GCC_VERSION >= 4007
++ .affects_type_identity = true
++#endif
++};
++
++static void register_attributes(void *event_data, void *data)
++{
++ register_attribute(&no_const_attr);
++ register_attribute(&do_const_attr);
++}
++
++static bool is_fptr(tree field)
++{
++ tree ptr = TREE_TYPE(field);
++
++ if (TREE_CODE(ptr) != POINTER_TYPE)
++ return false;
++
++ return TREE_CODE(TREE_TYPE(ptr)) == FUNCTION_TYPE;
++}
++
++static bool walk_struct(tree node)
++{
++ tree field;
++
++ if (TYPE_FIELDS(node) == NULL_TREE)
++ return false;
++
++ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(node))) {
++ gcc_assert(!TYPE_READONLY(node));
++ deconstify_type(node);
++ return false;
++ }
++
++ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
++ tree type = TREE_TYPE(field);
++ enum tree_code code = TREE_CODE(type);
++
++ if (node == type)
++ return false;
++ if (code == RECORD_TYPE || code == UNION_TYPE) {
++ if (!(walk_struct(type)))
++ return false;
++ } else if (!is_fptr(field) && !TREE_READONLY(field))
++ return false;
++ }
++ return true;
++}
++
++static void finish_type(void *event_data, void *data)
++{
++ tree type = (tree)event_data;
++
++ if (type == NULL_TREE || type == error_mark_node)
++ return;
++
++ if (TYPE_READONLY(type))
++ return;
++
++ if (walk_struct(type))
++ constify_type(type);
++}
++
++static unsigned int check_local_variables(void);
++
++struct gimple_opt_pass pass_local_variable = {
++ {
++ .type = GIMPLE_PASS,
++ .name = "check_local_variables",
++ .gate = NULL,
++ .execute = check_local_variables,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = 0
++ }
++};
++
++static unsigned int check_local_variables(void)
++{
++ tree var;
++ referenced_var_iterator rvi;
++
++#if BUILDING_GCC_VERSION == 4005
++ FOR_EACH_REFERENCED_VAR(var, rvi) {
++#else
++ FOR_EACH_REFERENCED_VAR(cfun, var, rvi) {
++#endif
++ tree type = TREE_TYPE(var);
++
++ if (!DECL_P(var) || TREE_STATIC(var) || DECL_EXTERNAL(var))
++ continue;
++
++ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
++ continue;
++
++ if (!TYPE_READONLY(type))
++ continue;
++
++// if (lookup_attribute("no_const", DECL_ATTRIBUTES(var)))
++// continue;
++
++// if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type)))
++// continue;
++
++ if (walk_struct(type)) {
++ error_at(DECL_SOURCE_LOCATION(var), "constified variable %qE cannot be local", var);
++ return 1;
++ }
++ }
++ return 0;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ const int argc = plugin_info->argc;
++ const struct plugin_argument * const argv = plugin_info->argv;
++ int i;
++ bool constify = true;
++
++ struct register_pass_info local_variable_pass_info = {
++ .pass = &pass_local_variable.pass,
++ .reference_pass_name = "*referenced_vars",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ for (i = 0; i < argc; ++i) {
++ if (!(strcmp(argv[i].key, "no-constify"))) {
++ constify = false;
++ continue;
++ }
++ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info);
++ if (constify) {
++ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &local_variable_pass_info);
++ }
++ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
++
++ return 0;
++}
+diff --git a/tools/gcc/generate_size_overflow_hash.sh b/tools/gcc/generate_size_overflow_hash.sh
+new file mode 100644
+index 0000000..02c6bec
+--- /dev/null
++++ b/tools/gcc/generate_size_overflow_hash.sh
+@@ -0,0 +1,94 @@
++#!/bin/bash
++
++# This script generates the hash table (size_overflow_hash.h) for the size_overflow gcc plugin (size_overflow_plugin.c).
++
++header1="size_overflow_hash.h"
++database="size_overflow_hash.data"
++n=65536
++
++usage() {
++cat <<EOF
++usage: $0 options
++OPTIONS:
++ -h|--help help
++ -o header file
++ -d database file
++ -n hash array size
++EOF
++ return 0
++}
++
++while true
++do
++ case "$1" in
++ -h|--help) usage && exit 0;;
++ -n) n=$2; shift 2;;
++ -o) header1="$2"; shift 2;;
++ -d) database="$2"; shift 2;;
++ --) shift 1; break ;;
++ *) break ;;
++ esac
++done
++
++create_defines() {
++ for i in `seq 1 32`
++ do
++ echo -e "#define PARAM"$i" (1U << "$i")" >> "$header1"
++ done
++ echo >> "$header1"
++}
++
++create_structs () {
++ rm -f "$header1"
++
++ create_defines
++
++ cat "$database" | while read data
++ do
++ data_array=($data)
++ struct_hash_name="${data_array[0]}"
++ funcn="${data_array[1]}"
++ params="${data_array[2]}"
++ next="${data_array[5]}"
++
++ echo "const struct size_overflow_hash $struct_hash_name = {" >> "$header1"
++
++ echo -e "\t.next\t= $next,\n\t.name\t= \"$funcn\"," >> "$header1"
++ echo -en "\t.param\t= " >> "$header1"
++ line=
++ for param_num in ${params//-/ };
++ do
++ line="${line}PARAM"$param_num"|"
++ done
++
++ echo -e "${line%?},\n};\n" >> "$header1"
++ done
++}
++
++create_headers () {
++ echo "const struct size_overflow_hash * const size_overflow_hash[$n] = {" >> "$header1"
++}
++
++create_array_elements () {
++ index=0
++ grep -v "nohasharray" $database | sort -n -k 4 | while read data
++ do
++ data_array=($data)
++ i="${data_array[3]}"
++ hash="${data_array[4]}"
++ while [[ $index -lt $i ]]
++ do
++ echo -e "\t["$index"]\t= NULL," >> "$header1"
++ index=$(($index + 1))
++ done
++ index=$(($index + 1))
++ echo -e "\t["$i"]\t= &"$hash"," >> "$header1"
++ done
++ echo '};' >> $header1
++}
++
++create_structs
++create_headers
++create_array_elements
++
++exit 0
+diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c
+new file mode 100644
+index 0000000..a86e422
+--- /dev/null
++++ b/tools/gcc/kallocstat_plugin.c
+@@ -0,0 +1,167 @@
++/*
++ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to find the distribution of k*alloc sizes
++ *
++ * TODO:
++ *
++ * BUGS:
++ * - none known
++ */
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++//#include "expr.h" where are you...
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++
++extern void print_gimple_stmt(FILE *, gimple, int, int);
++
++int plugin_is_GPL_compatible;
++
++static const char * const kalloc_functions[] = {
++ "__kmalloc",
++ "kmalloc",
++ "kmalloc_large",
++ "kmalloc_node",
++ "kmalloc_order",
++ "kmalloc_order_trace",
++ "kmalloc_slab",
++ "kzalloc",
++ "kzalloc_node",
++};
++
++static struct plugin_info kallocstat_plugin_info = {
++ .version = "201111150100",
++};
++
++static unsigned int execute_kallocstat(void);
++
++static struct gimple_opt_pass kallocstat_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "kallocstat",
++ .gate = NULL,
++ .execute = execute_kallocstat,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = 0
++ }
++};
++
++static bool is_kalloc(const char *fnname)
++{
++ size_t i;
++
++ for (i = 0; i < ARRAY_SIZE(kalloc_functions); i++)
++ if (!strcmp(fnname, kalloc_functions[i]))
++ return true;
++ return false;
++}
++
++static unsigned int execute_kallocstat(void)
++{
++ basic_block bb;
++
++ // 1. loop through BBs and GIMPLE statements
++ FOR_EACH_BB(bb) {
++ gimple_stmt_iterator gsi;
++ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++ // gimple match:
++ tree fndecl, size;
++ gimple call_stmt;
++ const char *fnname;
++
++ // is it a call
++ call_stmt = gsi_stmt(gsi);
++ if (!is_gimple_call(call_stmt))
++ continue;
++ fndecl = gimple_call_fndecl(call_stmt);
++ if (fndecl == NULL_TREE)
++ continue;
++ if (TREE_CODE(fndecl) != FUNCTION_DECL)
++ continue;
++
++ // is it a call to k*alloc
++ fnname = IDENTIFIER_POINTER(DECL_NAME(fndecl));
++ if (!is_kalloc(fnname))
++ continue;
++
++ // is the size arg the result of a simple const assignment
++ size = gimple_call_arg(call_stmt, 0);
++ while (true) {
++ gimple def_stmt;
++ expanded_location xloc;
++ size_t size_val;
++
++ if (TREE_CODE(size) != SSA_NAME)
++ break;
++ def_stmt = SSA_NAME_DEF_STMT(size);
++ if (!def_stmt || !is_gimple_assign(def_stmt))
++ break;
++ if (gimple_num_ops(def_stmt) != 2)
++ break;
++ size = gimple_assign_rhs1(def_stmt);
++ if (!TREE_CONSTANT(size))
++ continue;
++ xloc = expand_location(gimple_location(def_stmt));
++ if (!xloc.file)
++ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
++ size_val = TREE_INT_CST_LOW(size);
++ fprintf(stderr, "kallocsize: %8zu %8zx %s %s:%u\n", size_val, size_val, fnname, xloc.file, xloc.line);
++ break;
++ }
++//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
++//debug_tree(gimple_call_fn(call_stmt));
++//print_node(stderr, "pax", fndecl, 4);
++ }
++ }
++
++ return 0;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ struct register_pass_info kallocstat_pass_info = {
++ .pass = &kallocstat_pass.pass,
++ .reference_pass_name = "ssa",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &kallocstat_plugin_info);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kallocstat_pass_info);
++
++ return 0;
++}
+diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c
+new file mode 100644
+index 0000000..98011fa
+--- /dev/null
++++ b/tools/gcc/kernexec_plugin.c
+@@ -0,0 +1,427 @@
++/*
++ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to make KERNEXEC/amd64 almost as good as it is on i386
++ *
++ * TODO:
++ *
++ * BUGS:
++ * - none known
++ */
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++//#include "expr.h" where are you...
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++#include "tree-flow.h"
++
++extern void print_gimple_stmt(FILE *, gimple, int, int);
++extern rtx emit_move_insn(rtx x, rtx y);
++
++int plugin_is_GPL_compatible;
++
++static struct plugin_info kernexec_plugin_info = {
++ .version = "201111291120",
++ .help = "method=[bts|or]\tinstrumentation method\n"
++};
++
++static unsigned int execute_kernexec_reload(void);
++static unsigned int execute_kernexec_fptr(void);
++static unsigned int execute_kernexec_retaddr(void);
++static bool kernexec_cmodel_check(void);
++
++static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *);
++static void (*kernexec_instrument_retaddr)(rtx);
++
++static struct gimple_opt_pass kernexec_reload_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "kernexec_reload",
++ .gate = kernexec_cmodel_check,
++ .execute = execute_kernexec_reload,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
++ }
++};
++
++static struct gimple_opt_pass kernexec_fptr_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "kernexec_fptr",
++ .gate = kernexec_cmodel_check,
++ .execute = execute_kernexec_fptr,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
++ }
++};
++
++static struct rtl_opt_pass kernexec_retaddr_pass = {
++ .pass = {
++ .type = RTL_PASS,
++ .name = "kernexec_retaddr",
++ .gate = kernexec_cmodel_check,
++ .execute = execute_kernexec_retaddr,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = TODO_dump_func | TODO_ggc_collect
++ }
++};
++
++static bool kernexec_cmodel_check(void)
++{
++ tree section;
++
++ if (ix86_cmodel != CM_KERNEL)
++ return false;
++
++ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl));
++ if (!section || !TREE_VALUE(section))
++ return true;
++
++ section = TREE_VALUE(TREE_VALUE(section));
++ if (strncmp(TREE_STRING_POINTER(section), ".vsyscall_", 10))
++ return true;
++
++ return false;
++}
++
++/*
++ * add special KERNEXEC instrumentation: reload %r10 after it has been clobbered
++ */
++static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi)
++{
++ gimple asm_movabs_stmt;
++
++ // build asm volatile("movabs $0x8000000000000000, %%r10\n\t" : : : );
++ asm_movabs_stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r10\n\t", NULL, NULL, NULL, NULL);
++ gimple_asm_set_volatile(asm_movabs_stmt, true);
++ gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING);
++ update_stmt(asm_movabs_stmt);
++}
++
++/*
++ * find all asm() stmts that clobber r10 and add a reload of r10
++ */
++static unsigned int execute_kernexec_reload(void)
++{
++ basic_block bb;
++
++ // 1. loop through BBs and GIMPLE statements
++ FOR_EACH_BB(bb) {
++ gimple_stmt_iterator gsi;
++
++ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++ // gimple match: __asm__ ("" : : : "r10");
++ gimple asm_stmt;
++ size_t nclobbers;
++
++ // is it an asm ...
++ asm_stmt = gsi_stmt(gsi);
++ if (gimple_code(asm_stmt) != GIMPLE_ASM)
++ continue;
++
++ // ... clobbering r10
++ nclobbers = gimple_asm_nclobbers(asm_stmt);
++ while (nclobbers--) {
++ tree op = gimple_asm_clobber_op(asm_stmt, nclobbers);
++ if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r10"))
++ continue;
++ kernexec_reload_fptr_mask(&gsi);
++//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO);
++ break;
++ }
++ }
++ }
++
++ return 0;
++}
++
++/*
++ * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce
++ * a non-canonical address from a userland ptr and will just trigger a GPF on dereference
++ */
++static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi)
++{
++ gimple assign_intptr, assign_new_fptr, call_stmt;
++ tree intptr, old_fptr, new_fptr, kernexec_mask;
++
++ call_stmt = gsi_stmt(*gsi);
++ old_fptr = gimple_call_fn(call_stmt);
++
++ // create temporary unsigned long variable used for bitops and cast fptr to it
++ intptr = create_tmp_var(long_unsigned_type_node, "kernexec_bts");
++ add_referenced_var(intptr);
++ mark_sym_for_renaming(intptr);
++ assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr));
++ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
++ update_stmt(assign_intptr);
++
++ // apply logical or to temporary unsigned long and bitmask
++ kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL);
++// kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL);
++ assign_intptr = gimple_build_assign(intptr, fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask));
++ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
++ update_stmt(assign_intptr);
++
++ // cast temporary unsigned long back to a temporary fptr variable
++ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_fptr");
++ add_referenced_var(new_fptr);
++ mark_sym_for_renaming(new_fptr);
++ assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr));
++ gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT);
++ update_stmt(assign_new_fptr);
++
++ // replace call stmt fn with the new fptr
++ gimple_call_set_fn(call_stmt, new_fptr);
++ update_stmt(call_stmt);
++}
++
++static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi)
++{
++ gimple asm_or_stmt, call_stmt;
++ tree old_fptr, new_fptr, input, output;
++ VEC(tree, gc) *inputs = NULL;
++ VEC(tree, gc) *outputs = NULL;
++
++ call_stmt = gsi_stmt(*gsi);
++ old_fptr = gimple_call_fn(call_stmt);
++
++ // create temporary fptr variable
++ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_or");
++ add_referenced_var(new_fptr);
++ mark_sym_for_renaming(new_fptr);
++
++ // build asm volatile("orq %%r10, %0\n\t" : "=r"(new_fptr) : "0"(old_fptr));
++ input = build_tree_list(NULL_TREE, build_string(2, "0"));
++ input = chainon(NULL_TREE, build_tree_list(input, old_fptr));
++ output = build_tree_list(NULL_TREE, build_string(3, "=r"));
++ output = chainon(NULL_TREE, build_tree_list(output, new_fptr));
++ VEC_safe_push(tree, gc, inputs, input);
++ VEC_safe_push(tree, gc, outputs, output);
++ asm_or_stmt = gimple_build_asm_vec("orq %%r10, %0\n\t", inputs, outputs, NULL, NULL);
++ gimple_asm_set_volatile(asm_or_stmt, true);
++ gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT);
++ update_stmt(asm_or_stmt);
++
++ // replace call stmt fn with the new fptr
++ gimple_call_set_fn(call_stmt, new_fptr);
++ update_stmt(call_stmt);
++}
++
++/*
++ * find all C level function pointer dereferences and forcibly set the highest bit of the pointer
++ */
++static unsigned int execute_kernexec_fptr(void)
++{
++ basic_block bb;
++
++ // 1. loop through BBs and GIMPLE statements
++ FOR_EACH_BB(bb) {
++ gimple_stmt_iterator gsi;
++
++ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++ // gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D));
++ tree fn;
++ gimple call_stmt;
++
++ // is it a call ...
++ call_stmt = gsi_stmt(gsi);
++ if (!is_gimple_call(call_stmt))
++ continue;
++ fn = gimple_call_fn(call_stmt);
++ if (TREE_CODE(fn) == ADDR_EXPR)
++ continue;
++ if (TREE_CODE(fn) != SSA_NAME)
++ gcc_unreachable();
++
++ // ... through a function pointer
++ fn = SSA_NAME_VAR(fn);
++ if (TREE_CODE(fn) != VAR_DECL && TREE_CODE(fn) != PARM_DECL)
++ continue;
++ fn = TREE_TYPE(fn);
++ if (TREE_CODE(fn) != POINTER_TYPE)
++ continue;
++ fn = TREE_TYPE(fn);
++ if (TREE_CODE(fn) != FUNCTION_TYPE)
++ continue;
++
++ kernexec_instrument_fptr(&gsi);
++
++//debug_tree(gimple_call_fn(call_stmt));
++//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
++ }
++ }
++
++ return 0;
++}
++
++// add special KERNEXEC instrumentation: btsq $63,(%rsp) just before retn
++static void kernexec_instrument_retaddr_bts(rtx insn)
++{
++ rtx btsq;
++ rtvec argvec, constraintvec, labelvec;
++ int line;
++
++ // create asm volatile("btsq $63,(%%rsp)":::)
++ argvec = rtvec_alloc(0);
++ constraintvec = rtvec_alloc(0);
++ labelvec = rtvec_alloc(0);
++ line = expand_location(RTL_LOCATION(insn)).line;
++ btsq = gen_rtx_ASM_OPERANDS(VOIDmode, "btsq $63,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
++ MEM_VOLATILE_P(btsq) = 1;
++// RTX_FRAME_RELATED_P(btsq) = 1; // not for ASM_OPERANDS
++ emit_insn_before(btsq, insn);
++}
++
++// add special KERNEXEC instrumentation: orq %r10,(%rsp) just before retn
++static void kernexec_instrument_retaddr_or(rtx insn)
++{
++ rtx orq;
++ rtvec argvec, constraintvec, labelvec;
++ int line;
++
++ // create asm volatile("orq %%r10,(%%rsp)":::)
++ argvec = rtvec_alloc(0);
++ constraintvec = rtvec_alloc(0);
++ labelvec = rtvec_alloc(0);
++ line = expand_location(RTL_LOCATION(insn)).line;
++ orq = gen_rtx_ASM_OPERANDS(VOIDmode, "orq %%r10,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
++ MEM_VOLATILE_P(orq) = 1;
++// RTX_FRAME_RELATED_P(orq) = 1; // not for ASM_OPERANDS
++ emit_insn_before(orq, insn);
++}
++
++/*
++ * find all asm level function returns and forcibly set the highest bit of the return address
++ */
++static unsigned int execute_kernexec_retaddr(void)
++{
++ rtx insn;
++
++ // 1. find function returns
++ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
++ // rtl match: (jump_insn 41 40 42 2 (return) fptr.c:42 634 {return_internal} (nil))
++ // (jump_insn 12 9 11 2 (parallel [ (return) (unspec [ (0) ] UNSPEC_REP) ]) fptr.c:46 635 {return_internal_long} (nil))
++ rtx body;
++
++ // is it a retn
++ if (!JUMP_P(insn))
++ continue;
++ body = PATTERN(insn);
++ if (GET_CODE(body) == PARALLEL)
++ body = XVECEXP(body, 0, 0);
++ if (GET_CODE(body) != RETURN)
++ continue;
++ kernexec_instrument_retaddr(insn);
++ }
++
++// print_simple_rtl(stderr, get_insns());
++// print_rtl(stderr, get_insns());
++
++ return 0;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ const int argc = plugin_info->argc;
++ const struct plugin_argument * const argv = plugin_info->argv;
++ int i;
++ struct register_pass_info kernexec_reload_pass_info = {
++ .pass = &kernexec_reload_pass.pass,
++ .reference_pass_name = "ssa",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++ struct register_pass_info kernexec_fptr_pass_info = {
++ .pass = &kernexec_fptr_pass.pass,
++ .reference_pass_name = "ssa",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++ struct register_pass_info kernexec_retaddr_pass_info = {
++ .pass = &kernexec_retaddr_pass.pass,
++ .reference_pass_name = "pro_and_epilogue",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &kernexec_plugin_info);
++
++ if (TARGET_64BIT == 0)
++ return 0;
++
++ for (i = 0; i < argc; ++i) {
++ if (!strcmp(argv[i].key, "method")) {
++ if (!argv[i].value) {
++ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ continue;
++ }
++ if (!strcmp(argv[i].value, "bts")) {
++ kernexec_instrument_fptr = kernexec_instrument_fptr_bts;
++ kernexec_instrument_retaddr = kernexec_instrument_retaddr_bts;
++ } else if (!strcmp(argv[i].value, "or")) {
++ kernexec_instrument_fptr = kernexec_instrument_fptr_or;
++ kernexec_instrument_retaddr = kernexec_instrument_retaddr_or;
++ fix_register("r10", 1, 1);
++ } else
++ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
++ continue;
++ }
++ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ }
++ if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr)
++ error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name);
++
++ if (kernexec_instrument_fptr == kernexec_instrument_fptr_or)
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info);
++
++ return 0;
++}
+diff --git a/tools/gcc/latent_entropy_plugin.c b/tools/gcc/latent_entropy_plugin.c
+new file mode 100644
+index 0000000..b8008f7
+--- /dev/null
++++ b/tools/gcc/latent_entropy_plugin.c
+@@ -0,0 +1,295 @@
++/*
++ * Copyright 2012 by the PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to help generate a little bit of entropy from program state,
++ * used during boot in the kernel
++ *
++ * TODO:
++ * - add ipa pass to identify not explicitly marked candidate functions
++ * - mix in more program state (function arguments/return values, loop variables, etc)
++ * - more instrumentation control via attribute parameters
++ *
++ * BUGS:
++ * - LTO needs -flto-partition=none for now
++ */
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++//#include "expr.h" where are you...
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++#include "tree-flow.h"
++
++int plugin_is_GPL_compatible;
++
++static tree latent_entropy_decl;
++
++static struct plugin_info latent_entropy_plugin_info = {
++ .version = "201207271820",
++ .help = NULL
++};
++
++static unsigned int execute_latent_entropy(void);
++static bool gate_latent_entropy(void);
++
++static struct gimple_opt_pass latent_entropy_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "latent_entropy",
++ .gate = gate_latent_entropy,
++ .execute = execute_latent_entropy,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = PROP_gimple_leh | PROP_cfg,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
++ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa
++ }
++};
++
++static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
++{
++ if (TREE_CODE(*node) != FUNCTION_DECL) {
++ *no_add_attrs = true;
++ error("%qE attribute only applies to functions", name);
++ }
++ return NULL_TREE;
++}
++
++static struct attribute_spec latent_entropy_attr = {
++ .name = "latent_entropy",
++ .min_length = 0,
++ .max_length = 0,
++ .decl_required = true,
++ .type_required = false,
++ .function_type_required = false,
++ .handler = handle_latent_entropy_attribute,
++#if BUILDING_GCC_VERSION >= 4007
++ .affects_type_identity = false
++#endif
++};
++
++static void register_attributes(void *event_data, void *data)
++{
++ register_attribute(&latent_entropy_attr);
++}
++
++static bool gate_latent_entropy(void)
++{
++ tree latent_entropy_attr;
++
++ latent_entropy_attr = lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl));
++ return latent_entropy_attr != NULL_TREE;
++}
++
++static unsigned HOST_WIDE_INT seed;
++static unsigned HOST_WIDE_INT get_random_const(void)
++{
++ seed = (seed >> 1U) ^ (-(seed & 1ULL) & 0xD800000000000000ULL);
++ return seed;
++}
++
++static enum tree_code get_op(tree *rhs)
++{
++ static enum tree_code op;
++ unsigned HOST_WIDE_INT random_const;
++
++ random_const = get_random_const();
++
++ switch (op) {
++ case BIT_XOR_EXPR:
++ op = PLUS_EXPR;
++ break;
++
++ case PLUS_EXPR:
++ if (rhs) {
++ op = LROTATE_EXPR;
++ random_const &= HOST_BITS_PER_WIDE_INT - 1;
++ break;
++ }
++
++ case LROTATE_EXPR:
++ default:
++ op = BIT_XOR_EXPR;
++ break;
++ }
++ if (rhs)
++ *rhs = build_int_cstu(unsigned_intDI_type_node, random_const);
++ return op;
++}
++
++static void perturb_local_entropy(basic_block bb, tree local_entropy)
++{
++ gimple_stmt_iterator gsi;
++ gimple assign;
++ tree addxorrol, rhs;
++ enum tree_code op;
++
++ op = get_op(&rhs);
++ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, op, unsigned_intDI_type_node, local_entropy, rhs);
++ assign = gimple_build_assign(local_entropy, addxorrol);
++ find_referenced_vars_in(assign);
++//debug_bb(bb);
++ gsi = gsi_after_labels(bb);
++ gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++}
++
++static void perturb_latent_entropy(basic_block bb, tree rhs)
++{
++ gimple_stmt_iterator gsi;
++ gimple assign;
++ tree addxorrol, temp;
++
++ // 1. create temporary copy of latent_entropy
++ temp = create_tmp_var(unsigned_intDI_type_node, "temp_latent_entropy");
++ add_referenced_var(temp);
++ mark_sym_for_renaming(temp);
++
++ // 2. read...
++ assign = gimple_build_assign(temp, latent_entropy_decl);
++ find_referenced_vars_in(assign);
++ gsi = gsi_after_labels(bb);
++ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++
++ // 3. ...modify...
++ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, get_op(NULL), unsigned_intDI_type_node, temp, rhs);
++ assign = gimple_build_assign(temp, addxorrol);
++ find_referenced_vars_in(assign);
++ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++
++ // 4. ...write latent_entropy
++ assign = gimple_build_assign(latent_entropy_decl, temp);
++ find_referenced_vars_in(assign);
++ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++}
++
++static unsigned int execute_latent_entropy(void)
++{
++ basic_block bb;
++ gimple assign;
++ gimple_stmt_iterator gsi;
++ tree local_entropy;
++
++ if (!latent_entropy_decl) {
++ struct varpool_node *node;
++
++ for (node = varpool_nodes; node; node = node->next) {
++ tree var = node->decl;
++ if (strcmp(IDENTIFIER_POINTER(DECL_NAME(var)), "latent_entropy"))
++ continue;
++ latent_entropy_decl = var;
++// debug_tree(var);
++ break;
++ }
++ if (!latent_entropy_decl) {
++// debug_tree(current_function_decl);
++ return 0;
++ }
++ }
++
++//fprintf(stderr, "latent_entropy: %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl)));
++
++ // 1. create local entropy variable
++ local_entropy = create_tmp_var(unsigned_intDI_type_node, "local_entropy");
++ add_referenced_var(local_entropy);
++ mark_sym_for_renaming(local_entropy);
++
++ // 2. initialize local entropy variable
++ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
++ if (dom_info_available_p(CDI_DOMINATORS))
++ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR);
++ gsi = gsi_start_bb(bb);
++
++ assign = gimple_build_assign(local_entropy, build_int_cstu(unsigned_intDI_type_node, get_random_const()));
++// gimple_set_location(assign, loc);
++ find_referenced_vars_in(assign);
++ gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++ bb = bb->next_bb;
++
++ // 3. instrument each BB with an operation on the local entropy variable
++ while (bb != EXIT_BLOCK_PTR) {
++ perturb_local_entropy(bb, local_entropy);
++ bb = bb->next_bb;
++ };
++
++ // 4. mix local entropy into the global entropy variable
++ perturb_latent_entropy(EXIT_BLOCK_PTR->prev_bb, local_entropy);
++ return 0;
++}
++
++static void start_unit_callback(void *gcc_data, void *user_data)
++{
++#if BUILDING_GCC_VERSION >= 4007
++ seed = get_random_seed(false);
++#else
++ sscanf(get_random_seed(false), "%" HOST_WIDE_INT_PRINT "x", &seed);
++ seed *= seed;
++#endif
++
++ if (in_lto_p)
++ return;
++
++ // extern u64 latent_entropy
++ latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, get_identifier("latent_entropy"), unsigned_intDI_type_node);
++
++ TREE_STATIC(latent_entropy_decl) = 1;
++ TREE_PUBLIC(latent_entropy_decl) = 1;
++ TREE_USED(latent_entropy_decl) = 1;
++ TREE_THIS_VOLATILE(latent_entropy_decl) = 1;
++ DECL_EXTERNAL(latent_entropy_decl) = 1;
++ DECL_ARTIFICIAL(latent_entropy_decl) = 0;
++ DECL_INITIAL(latent_entropy_decl) = NULL;
++// DECL_ASSEMBLER_NAME(latent_entropy_decl);
++// varpool_finalize_decl(latent_entropy_decl);
++// varpool_mark_needed_node(latent_entropy_decl);
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ struct register_pass_info latent_entropy_pass_info = {
++ .pass = &latent_entropy_pass.pass,
++ .reference_pass_name = "optimized",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_BEFORE
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &latent_entropy_plugin_info);
++ register_callback ("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &latent_entropy_pass_info);
++ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
++
++ return 0;
++}
+diff --git a/tools/gcc/size_overflow_hash.data b/tools/gcc/size_overflow_hash.data
+new file mode 100644
+index 0000000..9332f17
+--- /dev/null
++++ b/tools/gcc/size_overflow_hash.data
+@@ -0,0 +1,3597 @@
++_000001_hash alloc_dr 2 65495 _000001_hash NULL
++_000002_hash __copy_from_user 3 10918 _000002_hash NULL
++_000003_hash copy_from_user 3 17559 _000003_hash NULL
++_000004_hash __copy_from_user_inatomic 3 4365 _000004_hash NULL
++_000005_hash __copy_from_user_nocache 3 39351 _000005_hash NULL
++_000006_hash __copy_to_user_inatomic 3 19214 _000006_hash NULL
++_000007_hash do_xip_mapping_read 5 60297 _000007_hash NULL
++_000008_hash hugetlbfs_read 3 11268 _000008_hash NULL
++_000009_hash kmalloc 1 60432 _003302_hash NULL nohasharray
++_000010_hash kmalloc_array 1-2 9444 _000010_hash NULL
++_000012_hash __kmalloc_reserve 1 17080 _000012_hash NULL
++_000013_hash kmalloc_slab 1 11917 _000013_hash NULL
++_000014_hash kmemdup 2 64015 _000014_hash NULL
++_000015_hash __krealloc 2 14857 _000340_hash NULL nohasharray
++_000016_hash memdup_user 2 59590 _000016_hash NULL
++_000017_hash module_alloc 1 63630 _000017_hash NULL
++_000018_hash read_default_ldt 2 14302 _000018_hash NULL
++_000019_hash read_kcore 3 63488 _000019_hash NULL
++_000020_hash read_ldt 2 47570 _000020_hash NULL
++_000021_hash read_zero 3 19366 _000021_hash NULL
++_000022_hash __vmalloc_node 1 39308 _000022_hash NULL
++_000023_hash aac_convert_sgraw2 4 51598 _000023_hash NULL
++_000024_hash aa_simple_write_to_buffer 4-3 49683 _000024_hash NULL
++_000025_hash ablkcipher_copy_iv 3 64140 _000025_hash NULL
++_000026_hash ablkcipher_next_slow 3-4 47274 _000026_hash NULL
++_000028_hash acpi_battery_write_alarm 3 1240 _000028_hash NULL
++_000029_hash acpi_os_allocate 1 14892 _000029_hash NULL
++_000030_hash acpi_system_write_wakeup_device 3 34853 _000030_hash NULL
++_000031_hash adu_write 3 30487 _000031_hash NULL
++_000032_hash aer_inject_write 3 52399 _000032_hash NULL
++_000033_hash afs_alloc_flat_call 2-3 36399 _000033_hash NULL
++_000035_hash afs_proc_cells_write 3 61139 _000035_hash NULL
++_000036_hash afs_proc_rootcell_write 3 15822 _000036_hash NULL
++_000037_hash agp_3_5_isochronous_node_enable 3 49465 _000037_hash NULL
++_000038_hash agp_alloc_page_array 1 22554 _000038_hash NULL
++_000039_hash ah_alloc_tmp 2-3 54378 _000039_hash NULL
++_000041_hash ahash_setkey_unaligned 3 33521 _000041_hash NULL
++_000042_hash alg_setkey 3 31485 _000042_hash NULL
++_000043_hash aligned_kmalloc 1 3628 _000043_hash NULL
++_000044_hash alloc_context 1 3194 _000044_hash NULL
++_000045_hash alloc_ep_req 2 54860 _000045_hash NULL
++_000046_hash alloc_fdmem 1 27083 _000046_hash NULL
++_000047_hash alloc_flex_gd 1 57259 _000047_hash NULL
++_000048_hash alloc_sglist 1-3-2 22960 _000048_hash NULL
++_000049_hash __alloc_skb 1 23940 _000049_hash NULL
++_000050_hash aoedev_flush 2 44398 _000050_hash NULL
++_000051_hash append_to_buffer 3 63550 _000051_hash NULL
++_000052_hash asix_read_cmd 5 13245 _000052_hash NULL
++_000053_hash asix_write_cmd 5 58192 _000053_hash NULL
++_000054_hash at76_set_card_command 4 4471 _000054_hash NULL
++_000055_hash ath6kl_add_bss_if_needed 6 24317 _000055_hash NULL
++_000056_hash ath6kl_debug_roam_tbl_event 3 5224 _000056_hash NULL
++_000057_hash ath6kl_mgmt_powersave_ap 6 13791 _000057_hash NULL
++_000058_hash ath6kl_send_go_probe_resp 3 21113 _000058_hash NULL
++_000059_hash ath6kl_set_ap_probe_resp_ies 3 50539 _000059_hash NULL
++_000060_hash ath6kl_set_assoc_req_ies 3 43185 _000060_hash NULL
++_000061_hash ath6kl_wmi_bssinfo_event_rx 3 2275 _000061_hash NULL
++_000062_hash ath6kl_wmi_send_action_cmd 7 58860 _000062_hash NULL
++_000063_hash __ath6kl_wmi_send_mgmt_cmd 7 38971 _000063_hash NULL
++_000064_hash attach_hdlc_protocol 3 19986 _000064_hash NULL
++_000065_hash audio_write 4 54261 _001782_hash NULL nohasharray
++_000066_hash audit_unpack_string 3 13748 _000066_hash NULL
++_000067_hash ax25_setsockopt 5 42740 _000067_hash NULL
++_000068_hash b43_debugfs_write 3 34838 _000068_hash NULL
++_000069_hash b43legacy_debugfs_write 3 28556 _000069_hash NULL
++_000070_hash batadv_hash_new 1 40491 _000070_hash NULL
++_000071_hash batadv_orig_node_add_if 2 18433 _000071_hash NULL
++_000072_hash batadv_orig_node_del_if 2 4 _000072_hash NULL
++_000073_hash batadv_tt_changes_fill_buff 4 40323 _000073_hash NULL
++_000074_hash batadv_tt_realloc_packet_buff 4 49960 _000074_hash NULL
++_000075_hash bch_alloc 1 4593 _000075_hash NULL
++_000076_hash befs_nls2utf 3 17163 _000076_hash NULL
++_000077_hash befs_utf2nls 3 25628 _000077_hash NULL
++_000078_hash bfad_debugfs_write_regrd 3 15218 _000078_hash NULL
++_000079_hash bfad_debugfs_write_regwr 3 61841 _000079_hash NULL
++_000080_hash bio_alloc_map_data 1-2 50782 _000080_hash NULL
++_000082_hash bio_kmalloc 2 54672 _000082_hash NULL
++_000083_hash bitmap_storage_alloc 2 55077 _000083_hash NULL
++_000084_hash blkcipher_copy_iv 3 24075 _000084_hash NULL
++_000085_hash blkcipher_next_slow 3-4 52733 _000085_hash NULL
++_000087_hash bl_pipe_downcall 3 34264 _000087_hash NULL
++_000088_hash bnad_debugfs_write_regrd 3 6706 _000088_hash NULL
++_000089_hash bnad_debugfs_write_regwr 3 57500 _000089_hash NULL
++_000090_hash bnx2fc_cmd_mgr_alloc 2-3 24873 _000090_hash NULL
++_000092_hash bnx2fc_process_unsol_compl 2 15576 _000092_hash NULL
++_000093_hash bnx2_nvram_write 2-4 7790 _000093_hash NULL
++_000095_hash btmrvl_gpiogap_write 3 35053 _000095_hash NULL
++_000096_hash btmrvl_hscfgcmd_write 3 27143 _000096_hash NULL
++_000097_hash btmrvl_hscmd_write 3 27089 _000097_hash NULL
++_000098_hash btmrvl_hsmode_write 3 42252 _000098_hash NULL
++_000099_hash btmrvl_pscmd_write 3 29504 _000099_hash NULL
++_000100_hash btmrvl_psmode_write 3 3703 _000100_hash NULL
++_000101_hash btrfs_alloc_delayed_item 1 11678 _000101_hash NULL
++_000102_hash c4iw_id_table_alloc 3 48163 _000102_hash NULL
++_000103_hash cache_do_downcall 3 6926 _000103_hash NULL
++_000104_hash cachefiles_cook_key 2 33274 _000104_hash NULL
++_000105_hash cachefiles_daemon_write 3 43535 _000105_hash NULL
++_000106_hash capi_write 3 35104 _003607_hash NULL nohasharray
++_000107_hash carl9170_debugfs_write 3 50857 _000107_hash NULL
++_000108_hash cciss_allocate_sg_chain_blocks 2-3 5368 _000108_hash NULL
++_000110_hash cciss_proc_write 3 10259 _000110_hash NULL
++_000111_hash cdrom_read_cdda_old 4 27664 _000111_hash NULL
++_000112_hash ceph_alloc_page_vector 1 18710 _000112_hash NULL
++_000113_hash ceph_buffer_new 1 35974 _000113_hash NULL
++_000114_hash ceph_copy_user_to_page_vector 3-4 656 _000114_hash NULL
++_000116_hash ceph_get_direct_page_vector 2 41917 _000116_hash NULL
++_000117_hash ceph_msg_new 2 5846 _000117_hash NULL
++_000118_hash ceph_setxattr 4 18913 _000118_hash NULL
++_000119_hash cfi_read_pri 3 24366 _000119_hash NULL
++_000120_hash cgroup_write_string 5 10900 _000120_hash NULL
++_000121_hash cgroup_write_X64 5 54514 _000121_hash NULL
++_000122_hash change_xattr 5 61390 _000122_hash NULL
++_000123_hash check_load_and_stores 2 2143 _000123_hash NULL
++_000124_hash cifs_idmap_key_instantiate 3 54503 _000124_hash NULL
++_000125_hash cifs_security_flags_proc_write 3 5484 _000125_hash NULL
++_000126_hash cifs_setxattr 4 23957 _000126_hash NULL
++_000127_hash cifs_spnego_key_instantiate 3 23588 _000127_hash NULL
++_000128_hash cld_pipe_downcall 3 15058 _000128_hash NULL
++_000129_hash clear_refs_write 3 61904 _000129_hash NULL
++_000130_hash clusterip_proc_write 3 44729 _000130_hash NULL
++_000131_hash cm4040_write 3 58079 _000131_hash NULL
++_000132_hash cm_copy_private_data 2 3649 _000132_hash NULL
++_000133_hash cmm_write 3 2896 _000133_hash NULL
++_000134_hash cm_write 3 36858 _000134_hash NULL
++_000135_hash coda_psdev_write 3 1711 _000135_hash NULL
++_000136_hash codec_reg_read_file 3 36280 _000136_hash NULL
++_000137_hash command_file_write 3 31318 _000137_hash NULL
++_000138_hash command_write 3 58841 _000138_hash NULL
++_000139_hash comm_write 3 44537 _001714_hash NULL nohasharray
++_000140_hash concat_writev 3 21451 _000140_hash NULL
++_000141_hash copy_and_check 3 19089 _000141_hash NULL
++_000142_hash copy_from_user_toio 3 31966 _000142_hash NULL
++_000143_hash copy_items 6 50140 _000143_hash NULL
++_000144_hash copy_macs 4 45534 _000144_hash NULL
++_000145_hash __copy_to_user 3 17551 _000145_hash NULL
++_000146_hash copy_vm86_regs_from_user 3 45340 _000146_hash NULL
++_000147_hash core_sys_select 1 47494 _000147_hash NULL
++_000148_hash cosa_write 3 1774 _000148_hash NULL
++_000149_hash cp210x_set_config 4 46447 _000149_hash NULL
++_000150_hash create_entry 2 33479 _000150_hash NULL
++_000151_hash create_queues 2-3 9088 _000151_hash NULL
++_000153_hash create_xattr 5 54106 _000153_hash NULL
++_000154_hash create_xattr_datum 5 33356 _003443_hash NULL nohasharray
++_000155_hash csum_partial_copy_fromiovecend 3-4 9957 _000155_hash NULL
++_000157_hash ctrl_out 3-5 8712 _000157_hash NULL
++_000159_hash cxacru_cm_get_array 4 4412 _000159_hash NULL
++_000160_hash cxgbi_alloc_big_mem 1 4707 _000160_hash NULL
++_000161_hash dac960_user_command_proc_write 3 3071 _000161_hash NULL
++_000162_hash datablob_format 2 39571 _002490_hash NULL nohasharray
++_000163_hash dccp_feat_clone_sp_val 3 11942 _000163_hash NULL
++_000164_hash dccp_setsockopt_ccid 4 30701 _000164_hash NULL
++_000165_hash dccp_setsockopt_cscov 2 37766 _000165_hash NULL
++_000166_hash dccp_setsockopt_service 4 65336 _000166_hash NULL
++_000167_hash ddebug_proc_write 3 18055 _000167_hash NULL
++_000168_hash dev_config 3 8506 _000168_hash NULL
++_000169_hash device_write 3 45156 _000169_hash NULL
++_000170_hash devm_kzalloc 2 4966 _000170_hash NULL
++_000171_hash devres_alloc 2 551 _000171_hash NULL
++_000172_hash dfs_file_write 3 41196 _000172_hash NULL
++_000173_hash direct_entry 3 38836 _000173_hash NULL
++_000174_hash dispatch_ioctl 2 32357 _000174_hash NULL
++_000175_hash dispatch_proc_write 3 44320 _000175_hash NULL
++_000176_hash diva_os_copy_from_user 4 7792 _000176_hash NULL
++_000177_hash dlm_alloc_pagevec 1 54296 _000177_hash NULL
++_000178_hash dlmfs_file_read 3 28385 _000178_hash NULL
++_000179_hash dlmfs_file_write 3 6892 _000179_hash NULL
++_000180_hash dm_read 3 15674 _000180_hash NULL
++_000181_hash dm_write 3 2513 _000181_hash NULL
++_000182_hash __dn_setsockopt 5 13060 _000182_hash NULL
++_000183_hash dns_query 3 9676 _000183_hash NULL
++_000184_hash dns_resolver_instantiate 3 63314 _000184_hash NULL
++_000185_hash do_add_counters 3 3992 _000185_hash NULL
++_000186_hash __do_config_autodelink 3 58763 _000186_hash NULL
++_000187_hash do_ip_setsockopt 5 41852 _000187_hash NULL
++_000188_hash do_ipv6_setsockopt 5 18215 _000188_hash NULL
++_000189_hash do_ip_vs_set_ctl 4 48641 _000189_hash NULL
++_000190_hash do_kimage_alloc 3 64827 _000190_hash NULL
++_000191_hash do_register_entry 4 29478 _000191_hash NULL
++_000192_hash do_tty_write 5 44896 _000192_hash NULL
++_000193_hash do_update_counters 4 2259 _000193_hash NULL
++_000194_hash dsp_write 2 46218 _000194_hash NULL
++_000195_hash dup_to_netobj 3 26363 _000195_hash NULL
++_000196_hash dwc3_link_state_write 3 12641 _000196_hash NULL
++_000197_hash dwc3_mode_write 3 51997 _000197_hash NULL
++_000198_hash dwc3_testmode_write 3 30516 _000198_hash NULL
++_000199_hash ecryptfs_copy_filename 4 11868 _000199_hash NULL
++_000200_hash ecryptfs_miscdev_write 3 26847 _000200_hash NULL
++_000201_hash ecryptfs_send_miscdev 2 64816 _000201_hash NULL
++_000202_hash efx_tsoh_heap_alloc 2 58545 _000202_hash NULL
++_000203_hash emi26_writememory 4 57908 _000203_hash NULL
++_000204_hash emi62_writememory 4 29731 _000204_hash NULL
++_000205_hash encrypted_instantiate 3 3168 _000205_hash NULL
++_000206_hash encrypted_update 3 13414 _000206_hash NULL
++_000207_hash ep0_write 3 14536 _001422_hash NULL nohasharray
++_000208_hash ep_read 3 58813 _000208_hash NULL
++_000209_hash ep_write 3 59008 _000209_hash NULL
++_000210_hash erst_dbg_write 3 46715 _000210_hash NULL
++_000211_hash esp_alloc_tmp 2-3 40558 _000211_hash NULL
++_000213_hash evdev_do_ioctl 2 24459 _000213_hash NULL
++_000214_hash exofs_read_lookup_dev_table 3 17733 _000214_hash NULL
++_000215_hash ext4_kvmalloc 1 14796 _000215_hash NULL
++_000216_hash ezusb_writememory 4 45976 _000216_hash NULL
++_000217_hash fanotify_write 3 64623 _000217_hash NULL
++_000218_hash fd_copyin 3 56247 _000218_hash NULL
++_000219_hash ffs_epfile_io 3 64886 _000219_hash NULL
++_000220_hash ffs_prepare_buffer 2 59892 _000220_hash NULL
++_000221_hash f_hidg_write 3 7932 _000221_hash NULL
++_000222_hash file_read_actor 4 1401 _000222_hash NULL
++_000223_hash fill_write_buffer 3 3142 _000223_hash NULL
++_000224_hash __find_xattr 6 2117 _002425_hash NULL nohasharray
++_000225_hash fl_create 5 56435 _000225_hash NULL
++_000226_hash fs_path_ensure_buf 2 59445 _000226_hash NULL
++_000227_hash ftdi_elan_write 3 57309 _000227_hash NULL
++_000228_hash fw_iso_buffer_alloc 2 13704 _000228_hash NULL
++_000229_hash garmin_write_bulk 3 58191 _000229_hash NULL
++_000230_hash garp_attr_create 3 3883 _000230_hash NULL
++_000231_hash get_arg 3 5694 _000231_hash NULL
++_000232_hash getdqbuf 1 62908 _000232_hash NULL
++_000233_hash get_fdb_entries 3 41916 _000233_hash NULL
++_000234_hash get_fd_set 1 3866 _000234_hash NULL
++_000235_hash get_indirect_ea 4 51869 _000235_hash NULL
++_000236_hash get_registers 3 26187 _000236_hash NULL
++_000237_hash get_scq 2 10897 _000237_hash NULL
++_000238_hash get_server_iovec 2 16804 _000238_hash NULL
++_000239_hash get_ucode_user 3 38202 _000239_hash NULL
++_000240_hash get_user_cpu_mask 2 14861 _000240_hash NULL
++_000241_hash gfs2_alloc_sort_buffer 1 18275 _000241_hash NULL
++_000242_hash gfs2_glock_nq_m 1 20347 _000242_hash NULL
++_000243_hash gigaset_initcs 2 43753 _000243_hash NULL
++_000244_hash gigaset_initdriver 2 1060 _000244_hash NULL
++_000245_hash groups_alloc 1 7614 _000245_hash NULL
++_000246_hash gs_alloc_req 2 58883 _000246_hash NULL
++_000247_hash gs_buf_alloc 2 25067 _000247_hash NULL
++_000248_hash gsm_data_alloc 3 42437 _000248_hash NULL
++_000249_hash gss_pipe_downcall 3 23182 _000249_hash NULL
++_000250_hash handle_request 9 10024 _000250_hash NULL
++_000251_hash hashtab_create 3 33769 _000251_hash NULL
++_000252_hash hcd_buffer_alloc 2 27495 _000252_hash NULL
++_000253_hash hci_sock_setsockopt 5 28993 _000253_hash NULL
++_000254_hash heap_init 2 49617 _000254_hash NULL
++_000255_hash hest_ghes_dev_register 1 46766 _000255_hash NULL
++_000256_hash hidg_alloc_ep_req 2 10159 _000256_hash NULL
++_000257_hash hid_parse_report 3 51737 _000257_hash NULL
++_000258_hash hidraw_get_report 3 45609 _000258_hash NULL
++_000259_hash hidraw_report_event 3 20503 _000259_hash NULL
++_000260_hash hidraw_send_report 3 23449 _000260_hash NULL
++_000261_hash hpfs_translate_name 3 41497 _000261_hash NULL
++_000262_hash hysdn_conf_write 3 52145 _000262_hash NULL
++_000263_hash __i2400mu_send_barker 3 23652 _000263_hash NULL
++_000264_hash i2cdev_read 3 1206 _000264_hash NULL
++_000265_hash i2cdev_write 3 23310 _000265_hash NULL
++_000266_hash i2o_parm_field_get 5 34477 _000266_hash NULL
++_000267_hash i2o_parm_table_get 6 61635 _000267_hash NULL
++_000268_hash ib_copy_from_udata 3 59502 _000268_hash NULL
++_000269_hash ib_ucm_alloc_data 3 36885 _000269_hash NULL
++_000270_hash ib_umad_write 3 47993 _000270_hash NULL
++_000271_hash ib_uverbs_unmarshall_recv 5 12251 _000271_hash NULL
++_000272_hash icn_writecmd 2 38629 _000272_hash NULL
++_000273_hash ide_driver_proc_write 3 32493 _000273_hash NULL
++_000274_hash ide_settings_proc_write 3 35110 _000274_hash NULL
++_000275_hash idetape_chrdev_write 3 53976 _000275_hash NULL
++_000276_hash idmap_pipe_downcall 3 14591 _000276_hash NULL
++_000277_hash ieee80211_build_probe_req 7-5 27660 _000277_hash NULL
++_000278_hash ieee80211_if_write 3 34894 _000278_hash NULL
++_000279_hash if_write 3 51756 _000279_hash NULL
++_000280_hash ilo_write 3 64378 _000280_hash NULL
++_000281_hash ima_write_policy 3 40548 _000281_hash NULL
++_000282_hash init_data_container 1 60709 _000282_hash NULL
++_000283_hash init_send_hfcd 1 34586 _000283_hash NULL
++_000284_hash insert_dent 7 65034 _000284_hash NULL
++_000285_hash interpret_user_input 2 19393 _000285_hash NULL
++_000286_hash int_proc_write 3 39542 _000286_hash NULL
++_000287_hash ioctl_private_iw_point 7 1273 _000287_hash NULL
++_000288_hash iov_iter_copy_from_user 4 31942 _000288_hash NULL
++_000289_hash iov_iter_copy_from_user_atomic 4 56368 _000289_hash NULL
++_000290_hash iowarrior_write 3 18604 _000290_hash NULL
++_000291_hash ipc_alloc 1 1192 _000291_hash NULL
++_000292_hash ipc_rcu_alloc 1 21208 _000292_hash NULL
++_000293_hash ip_options_get_from_user 4 64958 _000293_hash NULL
++_000294_hash ipv6_renew_option 3 38813 _000294_hash NULL
++_000295_hash ip_vs_conn_fill_param_sync 6 29771 _001898_hash NULL nohasharray
++_000296_hash ip_vs_create_timeout_table 2 64478 _000296_hash NULL
++_000297_hash ipw_queue_tx_init 3 49161 _000297_hash NULL
++_000298_hash irda_setsockopt 5 19824 _000298_hash NULL
++_000299_hash irias_new_octseq_value 2 13596 _003821_hash NULL nohasharray
++_000300_hash irnet_ctrl_write 3 24139 _000300_hash NULL
++_000301_hash isdn_add_channels 3 40905 _000301_hash NULL
++_000302_hash isdn_ppp_fill_rq 2 41428 _000302_hash NULL
++_000303_hash isdn_ppp_write 4 29109 _000303_hash NULL
++_000304_hash isdn_read 3 50021 _000304_hash NULL
++_000305_hash isdn_v110_open 3 2418 _000305_hash NULL
++_000306_hash isdn_writebuf_stub 4 52383 _000306_hash NULL
++_000307_hash islpci_mgt_transmit 5 34133 _000307_hash NULL
++_000308_hash iso_callback 3 43208 _000308_hash NULL
++_000309_hash iso_packets_buffer_init 3-4 29061 _000309_hash NULL
++_000310_hash it821x_firmware_command 3 8628 _000310_hash NULL
++_000311_hash iwch_alloc_fastreg_pbl 2 40153 _000311_hash NULL
++_000312_hash iwl_calib_set 3 34400 _003754_hash NULL nohasharray
++_000313_hash jbd2_journal_init_revoke_table 1 36336 _000313_hash NULL
++_000314_hash jffs2_alloc_full_dirent 1 60179 _001158_hash NULL nohasharray
++_000315_hash journal_init_revoke_table 1 56331 _000315_hash NULL
++_000316_hash kcalloc 1-2 27770 _000316_hash NULL
++_000318_hash keyctl_instantiate_key_common 4 47889 _000318_hash NULL
++_000319_hash keyctl_update_key 3 26061 _000319_hash NULL
++_000320_hash __kfifo_alloc 2-3 22173 _000320_hash NULL
++_000322_hash kfifo_copy_from_user 3 5091 _000322_hash NULL
++_000323_hash kmalloc_node 1 50163 _003818_hash NULL nohasharray
++_000324_hash kmalloc_parameter 1 65279 _000324_hash NULL
++_000325_hash kmem_alloc 1 31920 _000325_hash NULL
++_000326_hash kobj_map 2-3 9566 _000326_hash NULL
++_000328_hash kone_receive 4 4690 _000328_hash NULL
++_000329_hash kone_send 4 63435 _000329_hash NULL
++_000330_hash krealloc 2 14908 _000330_hash NULL
++_000331_hash kvmalloc 1 32646 _000331_hash NULL
++_000332_hash kvm_read_guest_atomic 4 10765 _000332_hash NULL
++_000333_hash kvm_read_guest_cached 4 39666 _000333_hash NULL
++_000334_hash kvm_read_guest_page 5 18074 _000334_hash NULL
++_000335_hash kzalloc 1 54740 _000335_hash NULL
++_000336_hash l2cap_sock_setsockopt 5 50207 _000336_hash NULL
++_000337_hash l2cap_sock_setsockopt_old 4 29346 _000337_hash NULL
++_000338_hash lane2_associate_req 4 45398 _000338_hash NULL
++_000339_hash lbs_debugfs_write 3 48413 _000339_hash NULL
++_000340_hash lcd_write 3 14857 _000340_hash &_000015_hash
++_000341_hash ldm_frag_add 2 5611 _000341_hash NULL
++_000342_hash __lgread 4 31668 _000342_hash NULL
++_000343_hash libipw_alloc_txb 1-3-2 27579 _000343_hash NULL
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++_000795_hash cifs_writedata_alloc 1 32880 _003097_hash NULL nohasharray
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++_000909_hash if_writecmd 2 815 _000909_hash NULL
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++_000971_hash kvm_write_guest_page 5 63555 _002812_hash NULL nohasharray
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++_001046_hash osst_write 3 31581 _001046_hash NULL
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++_001060_hash pep_sendmsg 4 62524 _001060_hash NULL
++_001061_hash pfkey_sendmsg 4 47394 _001061_hash NULL
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++_001163_hash sisusb_send_packet 2 20891 _001163_hash NULL
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++_001236_hash sys_keyctl 4 33708 _001236_hash &_001011_hash
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++_001238_hash sys_llistxattr 3 4532 _001238_hash NULL
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++_001245_hash sys_setgroups 1 48668 _001245_hash &_001181_hash
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++_001255_hash timeradd_entry 3 49850 _001255_hash NULL
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++_001259_hash tomoyo_commit_ok 2 20167 _001259_hash NULL
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++_001264_hash tty_write 3 5494 _001264_hash NULL
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++_001332_hash __alloc_bootmem_nopanic 1 65397 _001332_hash NULL
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++_001336_hash alloc_dummy_extent_buffer 2 56374 _001336_hash NULL
++_001337_hash ____alloc_ei_netdev 1 51475 _001337_hash NULL
++_001338_hash alloc_etherdev_mqs 1 36450 _001338_hash NULL
++_001339_hash alloc_extent_buffer 3 52824 _001339_hash NULL
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++_001344_hash alloc_irdadev 1 19140 _001344_hash NULL
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++_001346_hash alloc_ltalkdev 1 38071 _001346_hash NULL
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++_001348_hash alloc_orinocodev 1 21371 _001348_hash NULL
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++_001354_hash alloc_wr 1-2 24635 _001354_hash NULL
++_001356_hash async_setkey 3 35521 _001356_hash NULL
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++_001360_hash ath6kl_connect_event 7-9-8 14267 _001360_hash NULL
++_001361_hash ath6kl_fwlog_block_read 3 49836 _001361_hash NULL
++_001362_hash ath6kl_fwlog_read 3 32101 _001362_hash NULL
++_001363_hash ath9k_wmi_cmd 4 327 _001363_hash NULL
++_001364_hash ath_rx_init 2 43564 _001364_hash NULL
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++_001367_hash atm_get_addr 3 31221 _001367_hash NULL
++_001368_hash audit_log_n_hex 3 45617 _001368_hash NULL
++_001369_hash audit_log_n_string 3 31705 _001369_hash NULL
++_001370_hash ax25_output 2 22736 _001370_hash NULL
++_001371_hash bcsp_prepare_pkt 3 12961 _001371_hash NULL
++_001372_hash bdx_rxdb_create 1 46525 _001372_hash NULL
++_001373_hash bdx_tx_db_init 2 41719 _001373_hash NULL
++_001374_hash bio_map_kern 3 64751 _001374_hash NULL
++_001375_hash bits_to_user 2-3 47733 _001375_hash NULL
++_001377_hash __blk_queue_init_tags 2 9778 _001377_hash NULL
++_001378_hash blk_queue_resize_tags 2 28670 _001378_hash NULL
++_001379_hash blk_rq_map_user_iov 5 16772 _001379_hash NULL
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++_001381_hash brcmf_alloc_wdev 1 60347 _001381_hash NULL
++_001382_hash __btrfs_buffered_write 3 35311 _002735_hash NULL nohasharray
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++_001384_hash btrfs_map_block 3 64379 _001384_hash NULL
++_001385_hash bt_skb_alloc 1 6404 _001385_hash NULL
++_001386_hash c4_add_card 3 54968 _001386_hash NULL
++_001387_hash cache_read 3 24790 _001387_hash NULL
++_001388_hash cache_write 3 13589 _001388_hash NULL
++_001389_hash calc_hmac 3 32010 _001389_hash NULL
++_001390_hash capinc_tty_write 3 28539 _001390_hash NULL
++_001391_hash ccid_getsockopt_builtin_ccids 2 53634 _001391_hash NULL
++_001392_hash ceph_copy_page_vector_to_user 3-4 31270 _001392_hash NULL
++_001394_hash ceph_parse_server_name 2 60318 _001394_hash NULL
++_001395_hash ceph_read_dir 3 17005 _001395_hash NULL
++_001396_hash cfg80211_roamed 5-7 32632 _001396_hash NULL
++_001398_hash cfpkt_add_body 3 44630 _001398_hash NULL
++_001399_hash cfpkt_create_pfx 1-2 23594 _001399_hash NULL
++_001401_hash cmd_complete 6 51629 _001401_hash NULL
++_001402_hash cmtp_add_msgpart 4 9252 _001402_hash NULL
++_001403_hash cmtp_send_interopmsg 7 376 _001403_hash NULL
++_001404_hash coda_psdev_read 3 35029 _001404_hash NULL
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++_001407_hash copy_entries_to_user 1 52367 _001407_hash NULL
++_001408_hash copy_from_buf 2-4 27308 _001408_hash NULL
++_001410_hash copy_oldmem_page 3-1 26164 _001410_hash NULL
++_001411_hash copy_to_user_fromio 3 57432 _001411_hash NULL
++_001412_hash cryptd_hash_setkey 3 42781 _001412_hash NULL
++_001413_hash crypto_authenc_esn_setkey 3 6985 _001413_hash NULL
++_001414_hash crypto_authenc_setkey 3 80 _001414_hash NULL
++_001415_hash cxgb3_get_cpl_reply_skb 2 10620 _001415_hash NULL
++_001416_hash cxgbi_ddp_reserve 4 30091 _001416_hash NULL
++_001417_hash cxio_init_resource_fifo 3 28764 _001417_hash NULL
++_001418_hash cxio_init_resource_fifo_random 3 47151 _001418_hash NULL
++_001419_hash datablob_hmac_append 3 40038 _001419_hash NULL
++_001420_hash datablob_hmac_verify 4 24786 _001420_hash NULL
++_001421_hash dataflash_read_fact_otp 3-2 33204 _001421_hash NULL
++_001422_hash dataflash_read_user_otp 3-2 14536 _001422_hash &_000207_hash
++_001423_hash dccp_feat_register_sp 5 17914 _001423_hash NULL
++_001424_hash dccp_setsockopt 5 60367 _001424_hash NULL
++_001425_hash __dev_alloc_skb 1 28681 _001425_hash NULL
++_001426_hash disk_expand_part_tbl 2 30561 _001426_hash NULL
++_001427_hash diva_os_alloc_message_buffer 1 64568 _001427_hash NULL
++_001428_hash diva_os_copy_to_user 4 48508 _001428_hash NULL
++_001429_hash diva_os_malloc 2 16406 _001429_hash NULL
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++_001620_hash qla4xxx_post_ping_evt_work 4 8074 _001819_hash NULL nohasharray
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++_001694_hash snd_rawmidi_kernel_read1 4 36740 _001694_hash NULL
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++_001779_hash vol_cdev_read 3 8968 _001779_hash &_001665_hash
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++_001782_hash wusb_prf 7 54261 _001782_hash &_000065_hash
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++_001848_hash bfad_debugfs_read_regrd 3 57830 _001848_hash NULL
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++_001895_hash console_store 4 36007 _001895_hash NULL
++_001896_hash cpuset_common_file_read 5 8800 _001896_hash NULL
++_001897_hash create_subvol 4 30836 _001897_hash NULL
++_001898_hash cxio_hal_init_resource 2-7-6 29771 _001898_hash &_000295_hash
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++_001911_hash debugfs_read 3 62535 _001911_hash NULL
++_001912_hash debug_output 3 18575 _001912_hash NULL
++_001913_hash debug_read 3 19322 _001913_hash NULL
++_001914_hash dev_alloc_skb 1 19517 _001914_hash &_001366_hash
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++_001916_hash diva_alloc_dma_map 2 23798 _001916_hash NULL
++_001917_hash diva_xdi_write 4 63975 _001917_hash NULL
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++_001919_hash dma_memcpy_to_iovec 5 12173 _001919_hash NULL
++_001920_hash dma_show_regs 3 35266 _001920_hash NULL
++_001921_hash dm_exception_table_init 2 39645 _001921_hash &_001149_hash
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++_001924_hash dn_recvmsg 4 17213 _001924_hash NULL
++_001925_hash dns_resolver_read 3 54658 _001925_hash NULL
++_001926_hash do_msgrcv 4 5590 _001926_hash NULL
++_001927_hash do_syslog 3 56807 _001927_hash NULL
++_001928_hash dpcm_state_read_file 3 65489 _001928_hash NULL
++_001929_hash dsp_cmx_send_member 2 15625 _001929_hash NULL
++_001930_hash fallback_on_nodma_alloc 2 35332 _001930_hash NULL
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++_001932_hash fc_frame_alloc_fill 2 59394 _001932_hash NULL
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++_001936_hash fragmentation_threshold_read 3 61718 _001936_hash NULL
++_001937_hash fuse_conn_limit_read 3 20084 _001937_hash NULL
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++_001939_hash fuse_file_aio_write 4 46399 _001939_hash NULL
++_001940_hash generic_readlink 3 32654 _001940_hash NULL
++_001941_hash gre_manip_pkt 2 38785 _001941_hash NULL
++_001942_hash handle_eviocgbit 3 44193 _001942_hash NULL
++_001943_hash handle_response 5 55951 _001943_hash NULL
++_001944_hash handle_response_icmp 7 39574 _001944_hash NULL
++_001945_hash hash_recvmsg 4 50924 _001945_hash NULL
++_001946_hash hci_send_cmd 3 43810 _001946_hash NULL
++_001947_hash hci_si_event 3 1404 _001947_hash NULL
++_001948_hash help 4 14971 _001948_hash NULL
++_001949_hash hfcpci_empty_bfifo 4 62323 _001949_hash NULL
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++_001951_hash ht40allow_map_read 3 55209 _001951_hash &_001512_hash
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++_001953_hash hysdn_conf_read 3 42324 _001953_hash NULL
++_001954_hash hysdn_sched_rx 3 60533 _001954_hash NULL
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++_001956_hash i2400m_tx_stats_read 3 28527 _001956_hash NULL
++_001957_hash icmp_manip_pkt 2 48801 _001957_hash NULL
++_001958_hash idmouse_read 3 63374 _001958_hash NULL
++_001959_hash ieee80211_if_read 3 6785 _001959_hash NULL
++_001960_hash ieee80211_rx_bss_info 3 61630 _001960_hash NULL
++_001961_hash ikconfig_read_current 3 1658 _001961_hash NULL
++_001962_hash il3945_sta_dbgfs_stats_table_read 3 48802 _001962_hash NULL
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++_001965_hash il3945_ucode_tx_stats_read 3 36016 _001965_hash NULL
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++_001967_hash il4965_rs_sta_dbgfs_scale_table_read 3 38564 _001967_hash NULL
++_001968_hash il4965_rs_sta_dbgfs_stats_table_read 3 49206 _001968_hash NULL
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++_001970_hash il4965_ucode_rx_stats_read 3 61948 _001970_hash NULL
++_001971_hash il4965_ucode_tx_stats_read 3 12064 _001971_hash NULL
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++_001974_hash il_dbgfs_disable_ht40_read 3 42386 _001974_hash NULL
++_001975_hash il_dbgfs_fh_reg_read 3 40993 _001975_hash NULL
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++_001977_hash il_dbgfs_interrupt_read 3 3351 _001977_hash NULL
++_001978_hash il_dbgfs_missed_beacon_read 3 59956 _001978_hash NULL
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++_001980_hash il_dbgfs_power_save_status_read 3 43165 _001980_hash NULL
++_001981_hash il_dbgfs_qos_read 3 33615 _001981_hash NULL
++_001982_hash il_dbgfs_rxon_filter_flags_read 3 19281 _001982_hash NULL
++_001983_hash il_dbgfs_rxon_flags_read 3 59950 _001983_hash &_001904_hash
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++_001987_hash il_dbgfs_sram_read 3 62296 _001987_hash NULL
++_001988_hash il_dbgfs_stations_read 3 21532 _001988_hash NULL
++_001989_hash il_dbgfs_status_read 3 58388 _001989_hash NULL
++_001990_hash il_dbgfs_tx_queue_read 3 55668 _001990_hash NULL
++_001991_hash il_dbgfs_tx_stats_read 3 32913 _001991_hash NULL
++_001992_hash ima_show_htable_value 2 57136 _001992_hash NULL
++_001994_hash intel_fake_agp_alloc_by_type 1 1 _001994_hash NULL
++_001995_hash ip4ip6_err 5 36772 _001995_hash NULL
++_001996_hash ip6_append_data 4-5 36490 _003601_hash NULL nohasharray
++_001997_hash ip6ip6_err 5 18308 _001997_hash NULL
++_001998_hash __ip_append_data 7-8 36191 _001998_hash NULL
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++_002000_hash ip_vs_icmp_xmit_v6 4 20464 _002000_hash NULL
++_002001_hash ipw_write 3 59807 _002001_hash NULL
++_002002_hash irda_recvmsg_stream 4 35280 _002002_hash NULL
++_002003_hash irq_domain_add_simple 2 46734 _002003_hash NULL
++_002004_hash __iscsi_complete_pdu 4 10726 _002004_hash NULL
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++_002006_hash iscsi_tcp_conn_setup 2 16376 _002006_hash NULL
++_002007_hash iwl_dbgfs_bt_traffic_read 3 35534 _002007_hash NULL
++_002008_hash iwl_dbgfs_calib_disabled_read 3 22649 _002008_hash NULL
++_002009_hash iwl_dbgfs_chain_noise_read 3 46355 _002009_hash NULL
++_002010_hash iwl_dbgfs_channels_read 3 6784 _002010_hash NULL
++_002011_hash iwl_dbgfs_current_sleep_command_read 3 2081 _002011_hash NULL
++_002012_hash iwl_dbgfs_disable_ht40_read 3 35761 _002012_hash NULL
++_002013_hash iwl_dbgfs_fh_reg_read 3 879 _002013_hash &_000406_hash
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++_002016_hash iwl_dbgfs_missed_beacon_read 3 50584 _002016_hash NULL
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++_002018_hash iwl_dbgfs_plcp_delta_read 3 55407 _002018_hash NULL
++_002019_hash iwl_dbgfs_power_save_status_read 3 54392 _002019_hash NULL
++_002020_hash iwl_dbgfs_protection_mode_read 3 13943 _002020_hash NULL
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++_002034_hash iwl_dbgfs_thermal_throttling_read 3 38779 _002034_hash NULL
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++_002038_hash iwl_dbgfs_ucode_rx_stats_read 3 58023 _002038_hash NULL
++_002039_hash iwl_dbgfs_ucode_tracing_read 3 47983 _002039_hash &_000356_hash
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++_002043_hash kernel_readv 3 35617 _002043_hash NULL
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++_002046_hash key_key_read 3 3241 _002046_hash NULL
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++_002048_hash key_rx_spec_read 3 12736 _002048_hash NULL
++_002049_hash key_tx_spec_read 3 4862 _002049_hash NULL
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++_002055_hash l2cap_build_cmd 4 48676 _002055_hash NULL
++_002056_hash l2cap_chan_send 3 49995 _002056_hash NULL
++_002057_hash l2cap_segment_sdu 4 48772 _002057_hash NULL
++_002058_hash l2down_create 4 21755 _002058_hash NULL
++_002059_hash l2tp_xmit_skb 3 42672 _002059_hash NULL
++_002060_hash l2up_create 3 6430 _002060_hash NULL
++_002061_hash lbs_debugfs_read 3 30721 _002061_hash NULL
++_002062_hash lbs_dev_info 3 51023 _002062_hash NULL
++_002063_hash lbs_host_sleep_read 3 31013 _002063_hash NULL
++_002064_hash lbs_rdbbp_read 3 45805 _002064_hash NULL
++_002065_hash lbs_rdmac_read 3 418 _002065_hash NULL
++_002066_hash lbs_rdrf_read 3 41431 _002066_hash NULL
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++_002068_hash lbs_threshold_read 5 21046 _002068_hash NULL
++_002069_hash ldisc_receive 4 41516 _002069_hash NULL
++_002070_hash libfc_vport_create 2 4415 _002070_hash NULL
++_002073_hash lkdtm_debugfs_read 3 45752 _002073_hash NULL
++_002074_hash llcp_sock_recvmsg 4 13556 _002074_hash NULL
++_002075_hash long_retry_limit_read 3 59766 _002075_hash NULL
++_002076_hash lpfc_debugfs_dif_err_read 3 36303 _002076_hash NULL
++_002077_hash lpfc_debugfs_read 3 16566 _002077_hash NULL
++_002078_hash lpfc_idiag_baracc_read 3 58466 _002972_hash NULL nohasharray
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++_002080_hash lpfc_idiag_drbacc_read 3 15948 _002080_hash NULL
++_002081_hash lpfc_idiag_extacc_read 3 48301 _002081_hash NULL
++_002082_hash lpfc_idiag_mbxacc_read 3 28061 _002082_hash NULL
++_002083_hash lpfc_idiag_pcicfg_read 3 50334 _002083_hash NULL
++_002084_hash lpfc_idiag_queacc_read 3 13950 _002084_hash NULL
++_002085_hash lpfc_idiag_queinfo_read 3 55662 _002085_hash NULL
++_002086_hash lro_gen_skb 6 2644 _002086_hash NULL
++_002087_hash mac80211_format_buffer 2 41010 _002087_hash NULL
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++_002091_hash macvtap_put_user 4 55609 _002091_hash NULL
++_002092_hash macvtap_sendmsg 4 30629 _002092_hash NULL
++_002093_hash mangle_packet 6-8 27864 _002093_hash NULL
++_002095_hash manip_pkt 3 7741 _002095_hash NULL
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++_002097_hash mempool_create_page_pool 1 30189 _002097_hash NULL
++_002098_hash mempool_create_slab_pool 1 62907 _002098_hash NULL
++_002099_hash mgmt_device_found 10 14146 _002099_hash NULL
++_002100_hash minstrel_stats_read 3 17290 _002100_hash NULL
++_002101_hash mmc_ext_csd_read 3 13205 _002101_hash NULL
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++_002103_hash mon_stat_read 3 25238 _002103_hash NULL
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++_002110_hash mwifiex_regrdwr_read 3 34472 _002110_hash NULL
++_002111_hash named_prepare_buf 2 24532 _002111_hash NULL
++_002112_hash nci_send_cmd 3 58206 _002112_hash NULL
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++_002114_hash netpoll_send_udp 3 58955 _002114_hash NULL
++_002115_hash nfcwilink_send_bts_cmd 3 10802 _002115_hash NULL
++_002116_hash nf_nat_mangle_tcp_packet 5-7 8643 _002116_hash NULL
++_002119_hash nfsd_vfs_read 6 62605 _002616_hash NULL nohasharray
++_002120_hash nfsd_vfs_write 6 54577 _002120_hash NULL
++_002121_hash nfs_idmap_lookup_id 2 10660 _002121_hash NULL
++_002122_hash ntfs_rl_realloc 3 56831 _002122_hash &_000370_hash
++_002123_hash ntfs_rl_realloc_nofail 3 32173 _002123_hash NULL
++_002124_hash o2hb_debug_read 3 37851 _002124_hash NULL
++_002125_hash o2net_debug_read 3 52105 _002125_hash NULL
++_002126_hash ocfs2_control_read 3 56405 _002126_hash NULL
++_002127_hash ocfs2_debug_read 3 14507 _002127_hash NULL
++_002128_hash oom_adjust_read 3 25127 _002128_hash NULL
++_002129_hash oom_score_adj_read 3 39921 _002426_hash NULL nohasharray
++_002130_hash oprofilefs_str_to_user 3 42182 _002130_hash NULL
++_002131_hash oprofilefs_ulong_to_user 3 11582 _002131_hash NULL
++_002132_hash osd_req_add_get_attr_list 3 49278 _002132_hash NULL
++_002133_hash _osd_req_list_objects 6 4204 _002133_hash NULL
++_002134_hash osd_req_read_kern 5 59990 _002134_hash NULL
++_002135_hash osd_req_write_kern 5 53486 _002135_hash NULL
++_002136_hash osst_read 3 40237 _002136_hash NULL
++_002137_hash p54_alloc_skb 3 34366 _002137_hash &_000485_hash
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++_002142_hash packet_sendmsg 4 24954 _002142_hash NULL
++_002143_hash page_readlink 3 23346 _002143_hash NULL
++_002144_hash pcf50633_write_block 3 2124 _002144_hash NULL
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++_002147_hash pep_indicate 5 38611 _002147_hash NULL
++_002148_hash pep_reply 5 50582 _002148_hash NULL
++_002149_hash pipe_handler_request 5 50774 _003582_hash NULL nohasharray
++_002150_hash platform_list_read_file 3 34734 _002150_hash NULL
++_002151_hash pm860x_bulk_write 3 43875 _002151_hash NULL
++_002152_hash pm_qos_power_read 3 55891 _002152_hash NULL
++_002153_hash port_show_regs 3 5904 _002153_hash NULL
++_002154_hash proc_coredump_filter_read 3 39153 _002154_hash NULL
++_002155_hash proc_fdinfo_read 3 62043 _002155_hash NULL
++_002156_hash proc_file_read 3 53905 _002156_hash NULL
++_002157_hash proc_info_read 3 63344 _002157_hash NULL
++_002158_hash proc_loginuid_read 3 15631 _002158_hash NULL
++_002159_hash proc_pid_attr_read 3 10173 _002159_hash NULL
++_002160_hash proc_pid_readlink 3 52186 _002160_hash NULL
++_002161_hash proc_read 3 43614 _002161_hash NULL
++_002162_hash proc_self_readlink 3 38094 _002162_hash NULL
++_002163_hash proc_sessionid_read 3 6911 _002299_hash NULL nohasharray
++_002164_hash provide_user_output 3 41105 _002164_hash NULL
++_002165_hash pskb_network_may_pull 2 35336 _002165_hash NULL
++_002166_hash pskb_pull 2 65005 _002166_hash NULL
++_002167_hash pstore_file_read 3 57288 _002167_hash NULL
++_002168_hash ql_process_mac_rx_page 4 15543 _002168_hash NULL
++_002169_hash ql_process_mac_rx_skb 4 6689 _002169_hash NULL
++_002170_hash queues_read 3 24877 _002170_hash NULL
++_002171_hash raw_recvmsg 4 17277 _002171_hash NULL
++_002172_hash rcname_read 3 25919 _002172_hash NULL
++_002173_hash read_4k_modal_eeprom 3 30212 _002173_hash NULL
++_002174_hash read_9287_modal_eeprom 3 59327 _002174_hash NULL
++_002175_hash reada_find_extent 2 63486 _002175_hash NULL
++_002176_hash read_def_modal_eeprom 3 14041 _002176_hash NULL
++_002177_hash read_enabled_file_bool 3 37744 _002177_hash NULL
++_002178_hash read_file_ani 3 23161 _002178_hash NULL
++_002179_hash read_file_antenna 3 13574 _002179_hash NULL
++_002180_hash read_file_base_eeprom 3 42168 _002180_hash NULL
++_002181_hash read_file_beacon 3 32595 _002181_hash NULL
++_002182_hash read_file_blob 3 57406 _002182_hash NULL
++_002183_hash read_file_bool 3 4180 _002183_hash NULL
++_002184_hash read_file_credit_dist_stats 3 54367 _002184_hash NULL
++_002185_hash read_file_debug 3 58256 _002185_hash NULL
++_002186_hash read_file_disable_ani 3 6536 _002186_hash NULL
++_002187_hash read_file_dma 3 9530 _002187_hash NULL
++_002188_hash read_file_dump_nfcal 3 18766 _002188_hash NULL
++_002189_hash read_file_frameerrors 3 64001 _002189_hash NULL
++_002190_hash read_file_interrupt 3 61742 _002197_hash NULL nohasharray
++_002191_hash read_file_misc 3 9948 _002191_hash NULL
++_002192_hash read_file_modal_eeprom 3 39909 _002192_hash NULL
++_002193_hash read_file_queue 3 40895 _002193_hash NULL
++_002194_hash read_file_rcstat 3 22854 _002194_hash NULL
++_002195_hash read_file_recv 3 48232 _002195_hash NULL
++_002196_hash read_file_regidx 3 33370 _002196_hash NULL
++_002197_hash read_file_regval 3 61742 _002197_hash &_002190_hash
++_002198_hash read_file_reset 3 52310 _002198_hash NULL
++_002199_hash read_file_rx_chainmask 3 41605 _002199_hash NULL
++_002200_hash read_file_slot 3 50111 _002200_hash NULL
++_002201_hash read_file_stations 3 35795 _002201_hash NULL
++_002202_hash read_file_tgt_int_stats 3 20697 _002202_hash NULL
++_002203_hash read_file_tgt_rx_stats 3 33944 _002203_hash NULL
++_002204_hash read_file_tgt_stats 3 8959 _002204_hash NULL
++_002205_hash read_file_tgt_tx_stats 3 51847 _002205_hash NULL
++_002206_hash read_file_tx_chainmask 3 3829 _002206_hash NULL
++_002207_hash read_file_war_stats 3 292 _002207_hash NULL
++_002208_hash read_file_xmit 3 21487 _002208_hash NULL
++_002209_hash read_flush_pipefs 3 20171 _002209_hash NULL
++_002210_hash read_flush_procfs 3 27642 _002210_hash NULL
++_002211_hash read_from_oldmem 2 3337 _002211_hash NULL
++_002212_hash read_oldmem 3 55658 _002212_hash NULL
++_002213_hash receive_packet 2 12367 _002213_hash NULL
++_002214_hash regmap_name_read_file 3 39379 _002214_hash NULL
++_002215_hash repair_io_failure 4 4815 _002215_hash NULL
++_002216_hash request_key_and_link 4 42693 _002216_hash NULL
++_002217_hash res_counter_read 4 33499 _002217_hash NULL
++_002218_hash rfcomm_tty_write 3 51603 _002218_hash NULL
++_002219_hash rs_sta_dbgfs_rate_scale_data_read 3 47165 _002219_hash NULL
++_002220_hash rs_sta_dbgfs_scale_table_read 3 40262 _002220_hash NULL
++_002221_hash rs_sta_dbgfs_stats_table_read 3 56573 _002221_hash NULL
++_002222_hash rts_threshold_read 3 44384 _002222_hash NULL
++_002223_hash rxrpc_sendmsg 4 29049 _002223_hash NULL
++_002224_hash scrub_setup_recheck_block 3-4 56245 _002224_hash NULL
++_002226_hash scsi_adjust_queue_depth 3 12802 _002226_hash NULL
++_002227_hash sctp_make_abort 3 34459 _002227_hash NULL
++_002228_hash sctp_make_asconf 3 4078 _002228_hash NULL
++_002229_hash sctp_make_asconf_ack 3 31726 _002229_hash NULL
++_002230_hash sctp_make_datafrag_empty 3 34737 _002230_hash NULL
++_002231_hash sctp_make_fwdtsn 3 53265 _002231_hash NULL
++_002232_hash sctp_make_heartbeat_ack 4 34411 _002232_hash NULL
++_002233_hash sctp_make_init 4 58401 _002233_hash NULL
++_002234_hash sctp_make_init_ack 4 3335 _002234_hash NULL
++_002235_hash sctp_make_op_error_space 3 5528 _002235_hash NULL
++_002236_hash sctp_manip_pkt 2 40620 _002236_hash NULL
++_002237_hash selinux_inode_notifysecctx 3 36896 _002237_hash NULL
++_002238_hash sel_read_avc_cache_threshold 3 33942 _002238_hash NULL
++_002239_hash sel_read_avc_hash_stats 3 1984 _002239_hash NULL
++_002240_hash sel_read_bool 3 24236 _002240_hash NULL
++_002241_hash sel_read_checkreqprot 3 33068 _002241_hash NULL
++_002242_hash sel_read_class 3 12669 _002960_hash NULL nohasharray
++_002243_hash sel_read_enforce 3 2828 _002243_hash NULL
++_002244_hash sel_read_handle_status 3 56139 _002244_hash NULL
++_002245_hash sel_read_handle_unknown 3 57933 _002245_hash NULL
++_002246_hash sel_read_initcon 3 32362 _002246_hash NULL
++_002247_hash sel_read_mls 3 25369 _002247_hash NULL
++_002248_hash sel_read_perm 3 42302 _002248_hash NULL
++_002249_hash sel_read_policy 3 55947 _002249_hash NULL
++_002250_hash sel_read_policycap 3 28544 _002250_hash NULL
++_002251_hash sel_read_policyvers 3 55 _002827_hash NULL nohasharray
++_002252_hash send_mpa_reject 3 7135 _002252_hash NULL
++_002253_hash send_mpa_reply 3 32372 _002253_hash NULL
++_002254_hash send_msg 4 37323 _002254_hash NULL
++_002255_hash send_packet 4 52960 _002255_hash NULL
++_002256_hash set_rxd_buffer_pointer 8 9950 _002256_hash NULL
++_002257_hash sge_rx 3 50594 _002257_hash NULL
++_002258_hash short_retry_limit_read 3 4687 _002258_hash NULL
++_002259_hash simple_attr_read 3 24738 _002259_hash NULL
++_002260_hash simple_transaction_read 3 17076 _002260_hash NULL
++_002261_hash sisusbcon_bmove 5-7-6 21873 _002261_hash NULL
++_002264_hash sisusbcon_clear 3-5-4 64329 _002264_hash NULL
++_002267_hash sisusbcon_putcs 3 57630 _002267_hash &_001043_hash
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++_002269_hash sisusbcon_scroll_area 3-4 25899 _002269_hash NULL
++_002271_hash skb_copy_datagram_const_iovec 2-5-4 48102 _002271_hash NULL
++_002274_hash skb_copy_datagram_iovec 2-4 5806 _002274_hash NULL
++_002276_hash skb_gro_header_slow 2 34958 _002276_hash NULL
++_002277_hash smk_read_ambient 3 61220 _002277_hash NULL
++_002278_hash smk_read_direct 3 15803 _002278_hash NULL
++_002279_hash smk_read_doi 3 30813 _002279_hash NULL
++_002280_hash smk_read_logging 3 37804 _002280_hash NULL
++_002281_hash smk_read_mapped 3 7562 _002281_hash NULL
++_002282_hash smk_read_onlycap 3 3855 _002282_hash NULL
++_002283_hash smp_build_cmd 3 45853 _002283_hash NULL
++_002284_hash snapshot_read 3 22601 _002284_hash NULL
++_002285_hash snd_cs4281_BA0_read 5 6847 _002285_hash NULL
++_002286_hash snd_cs4281_BA1_read 5 20323 _002286_hash NULL
++_002287_hash snd_cs46xx_io_read 5 45734 _002287_hash NULL
++_002288_hash snd_gus_dram_read 4 56686 _002288_hash NULL
++_002289_hash snd_mixart_BA0_read 5 45069 _002289_hash NULL
++_002290_hash snd_mixart_BA1_read 5 5082 _002290_hash NULL
++_002291_hash snd_pcm_oss_read 3 28317 _002291_hash NULL
++_002292_hash snd_pcm_plug_alloc 2 42339 _002292_hash NULL
++_002293_hash snd_rawmidi_kernel_read 3 4328 _002293_hash NULL
++_002294_hash snd_rawmidi_read 3 56337 _002294_hash NULL
++_002295_hash snd_rme32_capture_copy 5 39653 _002295_hash NULL
++_002296_hash snd_rme96_capture_copy 5 58484 _002296_hash NULL
++_002297_hash snd_soc_hw_bulk_write_raw 4 14245 _002297_hash NULL
++_002298_hash sock_alloc_send_skb 2 23720 _002298_hash NULL
++_002299_hash spi_show_regs 3 6911 _002299_hash &_002163_hash
++_002300_hash sta_agg_status_read 3 14058 _002300_hash NULL
++_002301_hash sta_connected_time_read 3 17435 _002301_hash NULL
++_002302_hash sta_flags_read 3 56710 _002302_hash NULL
++_002303_hash sta_ht_capa_read 3 10366 _002303_hash NULL
++_002304_hash sta_last_seq_ctrl_read 3 19106 _002304_hash NULL
++_002305_hash sta_num_ps_buf_frames_read 3 1488 _002305_hash NULL
++_002306_hash st_read 3 51251 _002306_hash NULL
++_002307_hash supply_map_read_file 3 10608 _002307_hash NULL
++_002308_hash sysfs_read_file 3 42113 _002308_hash NULL
++_002309_hash sys_preadv 3 17100 _002309_hash NULL
++_002310_hash sys_pwritev 3 41722 _002310_hash NULL
++_002311_hash sys_readv 3 50664 _002311_hash NULL
++_002312_hash sys_rt_sigpending 2 24961 _002312_hash NULL
++_002313_hash sys_writev 3 28384 _002313_hash NULL
++_002314_hash tcf_csum_skb_nextlayer 3 64025 _002314_hash NULL
++_002315_hash tcp_fragment 3 20436 _002315_hash NULL
++_002316_hash tcp_manip_pkt 2 14202 _002316_hash NULL
++_002317_hash teiup_create 3 43201 _002317_hash NULL
++_002318_hash test_iso_queue 5 62534 _002318_hash NULL
++_002319_hash tg3_run_loopback 2 30093 _002319_hash NULL
++_002320_hash tipc_msg_build 4 12326 _002320_hash NULL
++_002321_hash TSS_authhmac 3 12839 _002321_hash NULL
++_002322_hash TSS_checkhmac1 5 31429 _002322_hash NULL
++_002323_hash TSS_checkhmac2 5-7 40520 _002323_hash NULL
++_002325_hash tty_audit_log 8 47280 _002325_hash NULL
++_002326_hash tty_buffer_request_room 2 23228 _002326_hash NULL
++_002327_hash tty_insert_flip_string_fixed_flag 4 37428 _002327_hash NULL
++_002328_hash tty_insert_flip_string_flags 4 30969 _002328_hash NULL
++_002329_hash tty_prepare_flip_string 3 39955 _002329_hash NULL
++_002330_hash tty_prepare_flip_string_flags 4 59240 _002330_hash NULL
++_002331_hash tun_alloc_skb 2-4-3 41216 _002331_hash NULL
++_002334_hash tun_sendmsg 4 10337 _002334_hash NULL
++_002335_hash u32_array_read 3 2219 _002335_hash NULL
++_002336_hash ubi_io_write_data 4-5 40305 _002336_hash NULL
++_002338_hash udplite_manip_pkt 2 62433 _002338_hash NULL
++_002339_hash udp_manip_pkt 2 50770 _002339_hash NULL
++_002340_hash uhci_debug_read 3 5911 _002340_hash NULL
++_002341_hash um_idi_read 3 850 _002341_hash NULL
++_002342_hash unix_seqpacket_sendmsg 4 27893 _002342_hash NULL
++_002343_hash unix_stream_recvmsg 4 35210 _002343_hash NULL
++_002344_hash unlink_simple 3 47506 _002344_hash NULL
++_002345_hash use_pool 2 64607 _002345_hash NULL
++_002346_hash v9fs_fid_readn 4 60544 _002346_hash NULL
++_002347_hash v9fs_file_read 3 40858 _002347_hash NULL
++_002348_hash vhci_read 3 47878 _002348_hash NULL
++_002349_hash vhost_add_used_and_signal_n 4 8038 _002349_hash NULL
++_002350_hash vmbus_open 2-3 12154 _002350_hash NULL
++_002352_hash vxge_rx_alloc 3 52024 _002352_hash NULL
++_002353_hash waiters_read 3 40902 _002353_hash NULL
++_002354_hash wm8994_bulk_write 3 13615 _002354_hash NULL
++_002355_hash write_pbl 4 59583 _002355_hash NULL
++_002356_hash wusb_prf_256 7 29203 _002356_hash NULL
++_002357_hash wusb_prf_64 7 51065 _002357_hash NULL
++_002358_hash _xfs_buf_alloc 3 38058 _002358_hash NULL
++_002359_hash xfs_buf_read_uncached 3 42844 _002359_hash NULL
++_002360_hash xfs_file_buffered_aio_write 4 11492 _002360_hash NULL
++_002361_hash xfs_iext_add 3 41422 _002361_hash NULL
++_002362_hash xfs_iext_remove_direct 3 40744 _002362_hash NULL
++_002363_hash xfs_readdir 3 41200 _002363_hash NULL
++_002364_hash xfs_trans_get_efd 3 51148 _002364_hash NULL
++_002365_hash xfs_trans_get_efi 2 7898 _002365_hash NULL
++_002366_hash xlog_bread_offset 3 60030 _002366_hash NULL
++_002367_hash xlog_get_bp 2 23229 _002367_hash NULL
++_002368_hash xz_dec_init 2 29029 _002368_hash NULL
++_002369_hash aac_change_queue_depth 2 825 _002369_hash NULL
++_002370_hash add_rx_skb 3 8257 _002370_hash NULL
++_002371_hash afs_extract_data 5 50261 _002371_hash NULL
++_002372_hash arcmsr_adjust_disk_queue_depth 2 16756 _002372_hash NULL
++_002373_hash atalk_recvmsg 4 22053 _002373_hash NULL
++_002374_hash ath6kl_buf_alloc 1 57304 _002374_hash NULL
++_002376_hash atomic_read_file 3 16227 _002376_hash NULL
++_002377_hash ax25_recvmsg 4 64441 _002377_hash NULL
++_002378_hash batadv_add_packet 3 12136 _002378_hash NULL
++_002379_hash batadv_iv_ogm_aggregate_new 2 54761 _002379_hash NULL
++_002380_hash batadv_tt_response_fill_table 1 39236 _002380_hash NULL
++_002381_hash beiscsi_process_async_pdu 7 39834 _002381_hash NULL
++_002382_hash bioset_create 1 5580 _002382_hash NULL
++_002383_hash bioset_integrity_create 2 62708 _002383_hash NULL
++_002384_hash biovec_create_pools 2 9575 _002384_hash NULL
++_002385_hash bnx2fc_process_l2_frame_compl 3 65072 _002385_hash NULL
++_002386_hash brcmf_sdbrcm_died_dump 3 15841 _002386_hash NULL
++_002387_hash brcmu_pkt_buf_get_skb 1 5556 _002387_hash NULL
++_002388_hash br_send_bpdu 3 29669 _002388_hash NULL
++_002389_hash btrfs_error_discard_extent 2 50444 _002389_hash NULL
++_002390_hash __btrfs_free_reserved_extent 2 31207 _002390_hash NULL
++_002391_hash btrfsic_cmp_log_and_dev_bytenr 2 49628 _002391_hash NULL
++_002392_hash btrfsic_create_link_to_next_block 4 58246 _002392_hash NULL
++_002393_hash btrfs_init_new_buffer 4 55761 _002393_hash NULL
++_002394_hash btrfs_mksubvol 3 58240 _002394_hash NULL
++_002395_hash bt_skb_send_alloc 2 6581 _002395_hash NULL
++_002396_hash bt_sock_recvmsg 4 12316 _002396_hash NULL
++_002397_hash bt_sock_stream_recvmsg 4 52518 _002397_hash NULL
++_002398_hash c4iw_reject_cr 3 28174 _002398_hash NULL
++_002399_hash caif_seqpkt_recvmsg 4 32241 _002399_hash NULL
++_002400_hash carl9170_rx_copy_data 2 21656 _002400_hash NULL
++_002401_hash cfpkt_append 3 61206 _002401_hash NULL
++_002402_hash cfpkt_setlen 2 49343 _002402_hash NULL
++_002403_hash cgroup_file_read 3 28804 _002403_hash NULL
++_002404_hash cosa_net_setup_rx 2 38594 _002404_hash NULL
++_002405_hash cpu_type_read 3 36540 _002405_hash NULL
++_002406_hash cxgb4_pktgl_to_skb 2 61899 _002406_hash NULL
++_002408_hash dccp_recvmsg 4 16056 _002408_hash NULL
++_002409_hash ddp_clear_map 4 46152 _002409_hash NULL
++_002410_hash ddp_set_map 4 751 _002410_hash NULL
++_002411_hash depth_read 3 31112 _002411_hash NULL
++_002412_hash dfs_global_file_read 3 7787 _002412_hash NULL
++_002413_hash dgram_recvmsg 4 23104 _002413_hash NULL
++_002414_hash diva_init_dma_map 3 58336 _002414_hash NULL
++_002415_hash divas_write 3 63901 _002415_hash NULL
++_002416_hash dma_push_rx 2 39973 _002416_hash NULL
++_002417_hash dma_skb_copy_datagram_iovec 3-5 21516 _002417_hash NULL
++_002419_hash dm_table_create 3 35687 _002419_hash NULL
++_002420_hash dn_alloc_send_pskb 2 4465 _002420_hash NULL
++_002421_hash dn_nsp_return_disc 2 60296 _002421_hash NULL
++_002422_hash dn_nsp_send_disc 2 23469 _002422_hash NULL
++_002423_hash dsp_tone_hw_message 3 17678 _002423_hash NULL
++_002424_hash e1000_check_copybreak 3 62448 _002424_hash NULL
++_002425_hash enable_read 3 2117 _002425_hash &_000224_hash
++_002426_hash exofs_read_kern 6 39921 _002426_hash &_002129_hash
++_002427_hash fast_rx_path 3 59214 _002427_hash NULL
++_002428_hash fc_change_queue_depth 2 36841 _002428_hash NULL
++_002429_hash fc_fcp_frame_alloc 2 12624 _002429_hash NULL
++_002430_hash fcoe_ctlr_send_keep_alive 3 15308 _002430_hash NULL
++_002431_hash frequency_read 3 64031 _003698_hash NULL nohasharray
++_002432_hash ftdi_process_packet 5 45005 _002432_hash NULL
++_002433_hash fuse_conn_congestion_threshold_read 3 51028 _002433_hash NULL
++_002434_hash fuse_conn_max_background_read 3 10855 _002434_hash NULL
++_002435_hash fwnet_incoming_packet 3 40380 _002435_hash NULL
++_002436_hash fwnet_pd_new 4 39947 _003402_hash NULL nohasharray
++_002437_hash get_alua_req 3 4166 _002437_hash NULL
++_002438_hash get_rdac_req 3 45882 _002438_hash NULL
++_002439_hash got_frame 2 16028 _002439_hash NULL
++_002440_hash gsm_mux_rx_netchar 3 33336 _002440_hash NULL
++_002441_hash hci_sock_recvmsg 4 7072 _002441_hash NULL
++_002442_hash hdlcdev_rx 3 997 _002442_hash NULL
++_002443_hash hdlc_empty_fifo 2 18397 _002443_hash NULL
++_002444_hash hfc_empty_fifo 2 57972 _002444_hash NULL
++_002445_hash hfcpci_empty_fifo 4 2427 _002445_hash NULL
++_002446_hash hfcsusb_rx_frame 3 52745 _002446_hash NULL
++_002447_hash hidp_output_raw_report 3 5629 _002447_hash NULL
++_002448_hash hpsa_change_queue_depth 2 15449 _002448_hash NULL
++_002449_hash hptiop_adjust_disk_queue_depth 2 20122 _002449_hash NULL
++_002450_hash hscx_empty_fifo 2 13360 _002450_hash NULL
++_002451_hash hysdn_rx_netpkt 3 16136 _002451_hash NULL
++_002452_hash i2o_pool_alloc 4 55485 _002452_hash NULL
++_002453_hash ide_queue_pc_tail 5 11673 _002453_hash NULL
++_002454_hash ide_raw_taskfile 4 42355 _002454_hash NULL
++_002455_hash idetape_queue_rw_tail 3 29562 _002455_hash NULL
++_002456_hash ieee80211_amsdu_to_8023s 5 15561 _002456_hash NULL
++_002457_hash ieee80211_fragment 4 33112 _002457_hash NULL
++_002458_hash ieee80211_if_read_aid 3 9705 _002458_hash NULL
++_002459_hash ieee80211_if_read_auto_open_plinks 3 38268 _002459_hash &_000374_hash
++_002460_hash ieee80211_if_read_ave_beacon 3 64924 _002460_hash NULL
++_002461_hash ieee80211_if_read_bssid 3 35161 _002461_hash NULL
++_002462_hash ieee80211_if_read_channel_type 3 23884 _002462_hash NULL
++_002463_hash ieee80211_if_read_dot11MeshConfirmTimeout 3 60670 _002463_hash NULL
++_002464_hash ieee80211_if_read_dot11MeshForwarding 3 13940 _002464_hash NULL
++_002465_hash ieee80211_if_read_dot11MeshGateAnnouncementProtocol 3 14486 _002465_hash NULL
++_002466_hash ieee80211_if_read_dot11MeshHoldingTimeout 3 47356 _002466_hash NULL
++_002467_hash ieee80211_if_read_dot11MeshHWMPactivePathTimeout 3 7368 _002467_hash NULL
++_002468_hash ieee80211_if_read_dot11MeshHWMPactivePathToRootTimeout 3 17618 _002468_hash NULL
++_002469_hash ieee80211_if_read_dot11MeshHWMPconfirmationInterval 3 57722 _002469_hash NULL
++_002470_hash ieee80211_if_read_dot11MeshHWMPmaxPREQretries 3 59829 _002470_hash NULL
++_002471_hash ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime 3 1589 _002471_hash NULL
++_002472_hash ieee80211_if_read_dot11MeshHWMPperrMinInterval 3 17346 _002472_hash NULL
++_002473_hash ieee80211_if_read_dot11MeshHWMPpreqMinInterval 3 24208 _002473_hash NULL
++_002474_hash ieee80211_if_read_dot11MeshHWMPRannInterval 3 2249 _002474_hash NULL
++_002475_hash ieee80211_if_read_dot11MeshHWMProotInterval 3 27873 _002475_hash NULL
++_002476_hash ieee80211_if_read_dot11MeshHWMPRootMode 3 51441 _002476_hash NULL
++_002477_hash ieee80211_if_read_dot11MeshMaxPeerLinks 3 23878 _002477_hash NULL
++_002478_hash ieee80211_if_read_dot11MeshMaxRetries 3 12756 _002478_hash NULL
++_002479_hash ieee80211_if_read_dot11MeshRetryTimeout 3 52168 _002479_hash NULL
++_002480_hash ieee80211_if_read_dot11MeshTTL 3 58307 _002480_hash NULL
++_002481_hash ieee80211_if_read_dropped_frames_congestion 3 32603 _002481_hash NULL
++_002482_hash ieee80211_if_read_dropped_frames_no_route 3 33383 _002482_hash NULL
++_002483_hash ieee80211_if_read_dropped_frames_ttl 3 44500 _002483_hash NULL
++_002484_hash ieee80211_if_read_drop_unencrypted 3 37053 _002484_hash NULL
++_002485_hash ieee80211_if_read_dtim_count 3 38419 _002485_hash NULL
++_002486_hash ieee80211_if_read_element_ttl 3 18869 _002486_hash NULL
++_002487_hash ieee80211_if_read_estab_plinks 3 32533 _002487_hash NULL
++_002488_hash ieee80211_if_read_flags 3 57470 _002919_hash NULL nohasharray
++_002489_hash ieee80211_if_read_fwded_frames 3 36520 _002489_hash NULL
++_002490_hash ieee80211_if_read_fwded_mcast 3 39571 _002490_hash &_000162_hash
++_002491_hash ieee80211_if_read_fwded_unicast 3 59740 _002491_hash &_001697_hash
++_002492_hash ieee80211_if_read_ht_opmode 3 29044 _002492_hash NULL
++_002493_hash ieee80211_if_read_last_beacon 3 31257 _002493_hash NULL
++_002494_hash ieee80211_if_read_min_discovery_timeout 3 13946 _002494_hash NULL
++_002495_hash ieee80211_if_read_num_buffered_multicast 3 12716 _002495_hash NULL
++_002496_hash ieee80211_if_read_num_mcast_sta 3 12419 _002496_hash NULL
++_002497_hash ieee80211_if_read_num_sta_ps 3 34722 _002497_hash NULL
++_002498_hash ieee80211_if_read_path_refresh_time 3 25545 _002498_hash NULL
++_002499_hash ieee80211_if_read_peer 3 45233 _002499_hash NULL
++_002500_hash ieee80211_if_read_rc_rateidx_mask_2ghz 3 61570 _002500_hash NULL
++_002501_hash ieee80211_if_read_rc_rateidx_mask_5ghz 3 27183 _002501_hash NULL
++_002502_hash ieee80211_if_read_rc_rateidx_mcs_mask_2ghz 3 37675 _002502_hash NULL
++_002503_hash ieee80211_if_read_rc_rateidx_mcs_mask_5ghz 3 44423 _002503_hash NULL
++_002504_hash ieee80211_if_read_rssi_threshold 3 49260 _002504_hash NULL
++_002505_hash ieee80211_if_read_smps 3 27416 _002505_hash NULL
++_002506_hash ieee80211_if_read_state 3 9813 _002707_hash NULL nohasharray
++_002507_hash ieee80211_if_read_tkip_mic_test 3 19565 _002507_hash NULL
++_002508_hash ieee80211_if_read_tsf 3 16420 _002508_hash NULL
++_002509_hash ieee80211_if_read_uapsd_max_sp_len 3 15067 _002509_hash NULL
++_002510_hash ieee80211_if_read_uapsd_queues 3 55150 _002510_hash NULL
++_002511_hash ieee80211_mgmt_tx 9 46860 _002511_hash NULL
++_002512_hash ieee80211_probereq_get 4-6 29069 _002512_hash NULL
++_002514_hash ieee80211_rx_mgmt_beacon 3 24430 _002514_hash NULL
++_002515_hash ieee80211_rx_mgmt_probe_resp 3 6918 _002515_hash NULL
++_002516_hash ieee80211_send_auth 5 24121 _002516_hash NULL
++_002517_hash ieee80211_set_probe_resp 3 10077 _002517_hash NULL
++_002518_hash ieee80211_tdls_mgmt 8 9581 _002518_hash NULL
++_002519_hash ima_show_htable_violations 3 10619 _002519_hash NULL
++_002520_hash ima_show_measurements_count 3 23536 _002520_hash NULL
++_002521_hash insert_one_name 7 61668 _002521_hash NULL
++_002522_hash ip6_ufo_append_data 5-7-6 4780 _002522_hash NULL
++_002525_hash ip_append_data 5-6 16942 _002525_hash NULL
++_002526_hash ip_make_skb 5-6 13129 _002526_hash NULL
++_002527_hash ip_nat_sdp_port 6 52938 _002527_hash NULL
++_002528_hash ip_nat_sip_expect 7 45693 _002528_hash NULL
++_002529_hash ipr_change_queue_depth 2 6431 _002529_hash NULL
++_002530_hash ip_recv_error 3 23109 _002530_hash NULL
++_002531_hash ip_ufo_append_data 6-8-7 12775 _002531_hash NULL
++_002534_hash ipv6_recv_error 3 56347 _002534_hash NULL
++_002535_hash ipv6_recv_rxpmtu 3 7142 _002535_hash NULL
++_002536_hash ipw_packet_received_skb 2 1230 _002536_hash NULL
++_002537_hash ipx_recvmsg 4 44366 _002537_hash NULL
++_002538_hash irda_recvmsg_dgram 4 32631 _002538_hash NULL
++_002539_hash iscsi_change_queue_depth 2 23416 _002539_hash NULL
++_002540_hash iscsi_complete_pdu 4 48372 _002540_hash NULL
++_002541_hash iwch_reject_cr 3 23901 _002541_hash NULL
++_002542_hash ixgb_check_copybreak 3 5847 _002542_hash NULL
++_002543_hash key_conf_hw_key_idx_read 3 25003 _002543_hash NULL
++_002544_hash key_conf_keyidx_read 3 42443 _002544_hash NULL
++_002545_hash key_conf_keylen_read 3 49758 _002545_hash NULL
++_002546_hash key_flags_read 3 25931 _002546_hash NULL
++_002547_hash key_ifindex_read 3 31411 _002547_hash NULL
++_002548_hash key_tx_rx_count_read 3 44742 _002548_hash NULL
++_002549_hash kmsg_read 3 46514 _002549_hash NULL
++_002550_hash l1oip_socket_parse 4 4507 _002550_hash NULL
++_002551_hash l2cap_send_cmd 4 14548 _002551_hash NULL
++_002552_hash l2cap_sock_sendmsg 4 63427 _002552_hash NULL
++_002553_hash l2tp_ip6_recvmsg 4 62874 _002553_hash NULL
++_002554_hash l2tp_ip6_sendmsg 4 7461 _002554_hash NULL
++_002555_hash l2tp_ip_recvmsg 4 22681 _002555_hash NULL
++_002556_hash lbs_bcnmiss_read 3 8678 _002556_hash NULL
++_002557_hash lbs_failcount_read 3 31063 _002557_hash NULL
++_002558_hash lbs_highrssi_read 3 64089 _002558_hash NULL
++_002559_hash lbs_highsnr_read 3 5931 _002559_hash NULL
++_002560_hash lbs_lowrssi_read 3 32242 _002560_hash NULL
++_002561_hash lbs_lowsnr_read 3 29571 _002561_hash NULL
++_002563_hash llc_ui_recvmsg 4 3826 _002563_hash NULL
++_002564_hash lowpan_fragment_xmit 3-4 22095 _002564_hash NULL
++_002566_hash lpfc_change_queue_depth 2 25905 _002566_hash NULL
++_002568_hash macvtap_do_read 4 36555 _002568_hash &_002050_hash
++_002569_hash mangle_sdp_packet 9 36279 _002569_hash NULL
++_002570_hash map_addr 6 4666 _002570_hash NULL
++_002571_hash mcs_unwrap_fir 3 25733 _002571_hash NULL
++_002572_hash mcs_unwrap_mir 3 9455 _002572_hash NULL
++_002573_hash megaraid_change_queue_depth 2 64815 _002573_hash NULL
++_002574_hash megasas_change_queue_depth 2 32747 _002574_hash NULL
++_002575_hash mld_newpack 2 50950 _002575_hash NULL
++_002576_hash mptscsih_change_queue_depth 2 26036 _002576_hash NULL
++_002577_hash named_distribute 4 48544 _002577_hash NULL
++_002578_hash NCR_700_change_queue_depth 2 31742 _002578_hash NULL
++_002579_hash netlink_recvmsg 4 61600 _002579_hash NULL
++_002580_hash nfc_alloc_send_skb 4 3167 _002580_hash NULL
++_002581_hash nf_nat_ftp 5 47948 _002581_hash NULL
++_002582_hash nfsctl_transaction_read 3 48250 _002582_hash NULL
++_002583_hash nfsd_read 5 19568 _002583_hash NULL
++_002584_hash nfsd_read_file 6 62241 _002584_hash NULL
++_002585_hash nfsd_write 6 54809 _002585_hash NULL
++_002586_hash nfs_map_group_to_gid 3 15892 _002586_hash NULL
++_002587_hash nfs_map_name_to_uid 3 51132 _002587_hash NULL
++_002588_hash nr_recvmsg 4 12649 _002588_hash NULL
++_002589_hash ntfs_rl_append 2-4 6037 _002589_hash NULL
++_002591_hash ntfs_rl_insert 2-4 4931 _002591_hash NULL
++_002593_hash ntfs_rl_replace 2-4 14136 _002593_hash NULL
++_002595_hash ntfs_rl_split 2-4 52328 _002595_hash NULL
++_002597_hash osd_req_list_collection_objects 5 36664 _002597_hash NULL
++_002598_hash osd_req_list_partition_objects 5 56464 _002598_hash NULL
++_002599_hash osd_req_read_sg 5 47905 _002599_hash NULL
++_002600_hash osd_req_write_sg 5 50908 _002600_hash NULL
++_002602_hash p54_download_eeprom 4 43842 _002602_hash NULL
++_002604_hash packet_recv_error 3 16669 _002604_hash NULL
++_002605_hash packet_recvmsg 4 47700 _002605_hash NULL
++_002606_hash pep_recvmsg 4 19402 _002606_hash NULL
++_002607_hash pfkey_recvmsg 4 53604 _002607_hash NULL
++_002608_hash ping_recvmsg 4 25597 _002608_hash NULL
++_002609_hash pmcraid_change_queue_depth 2 9116 _002609_hash NULL
++_002610_hash pn_recvmsg 4 30887 _002610_hash NULL
++_002611_hash pointer_size_read 3 51863 _002611_hash NULL
++_002612_hash power_read 3 15939 _002612_hash NULL
++_002613_hash pppoe_recvmsg 4 15073 _002613_hash NULL
++_002614_hash pppol2tp_recvmsg 4 57742 _002993_hash NULL nohasharray
++_002615_hash ppp_tx_cp 5 62044 _002615_hash NULL
++_002616_hash prism2_send_mgmt 4 62605 _002616_hash &_002119_hash
++_002617_hash prism2_sta_send_mgmt 5 43916 _002617_hash NULL
++_002618_hash prison_create 1 43623 _002618_hash NULL
++_002619_hash qla2x00_adjust_sdev_qdepth_up 2 20097 _002619_hash NULL
++_002620_hash qla2x00_change_queue_depth 2 24742 _002620_hash NULL
++_002621_hash _queue_data 4 54983 _002621_hash NULL
++_002622_hash raw_recvmsg 4 52529 _002622_hash NULL
++_002623_hash rawsock_recvmsg 4 12144 _002623_hash NULL
++_002624_hash rawv6_recvmsg 4 30265 _002624_hash NULL
++_002625_hash rds_tcp_data_recv 3 53476 _002625_hash NULL
++_002626_hash reada_add_block 2 54247 _002626_hash NULL
++_002627_hash readahead_tree_block 3 36285 _002627_hash NULL
++_002628_hash reada_tree_block_flagged 3 18402 _002628_hash NULL
++_002629_hash read_dma 3 55086 _002629_hash NULL
++_002630_hash read_fifo 3 826 _002630_hash NULL
++_002631_hash read_tree_block 3 841 _002631_hash NULL
++_002632_hash receive_copy 3 12216 _002632_hash NULL
++_002633_hash recover_peb 6-7 29238 _002633_hash NULL
++_002635_hash recv_msg 4 48709 _002635_hash NULL
++_002636_hash recv_stream 4 30138 _002636_hash NULL
++_002637_hash _req_append_segment 2 41031 _002637_hash NULL
++_002638_hash request_key_async 4 6990 _002638_hash NULL
++_002639_hash request_key_async_with_auxdata 4 46624 _002639_hash NULL
++_002640_hash request_key_with_auxdata 4 24515 _002640_hash NULL
++_002641_hash rose_recvmsg 4 2368 _002641_hash &_001788_hash
++_002642_hash rtl8169_try_rx_copy 3 705 _002642_hash NULL
++_002643_hash _rtl92s_firmware_downloadcode 3 14021 _002643_hash NULL
++_002644_hash rx_data 4 60442 _002644_hash NULL
++_002645_hash rxrpc_recvmsg 4 26233 _002645_hash NULL
++_002646_hash sas_change_queue_depth 2 18555 _002646_hash NULL
++_002647_hash scsi_activate_tcq 2 42640 _002647_hash NULL
++_002648_hash scsi_deactivate_tcq 2 47086 _002648_hash NULL
++_002649_hash scsi_execute 5 33596 _002649_hash NULL
++_002650_hash _scsih_adjust_queue_depth 2 1083 _002650_hash NULL
++_002651_hash scsi_init_shared_tag_map 2 59812 _002651_hash NULL
++_002652_hash scsi_track_queue_full 2 44239 _002652_hash NULL
++_002653_hash sctp_abort_pkt_new 5 55218 _002653_hash NULL
++_002654_hash sctp_make_abort_violation 4 27959 _002654_hash NULL
++_002655_hash sctp_make_op_error 5-6 7057 _002655_hash NULL
++_002657_hash sctp_recvmsg 4 23265 _002657_hash NULL
++_002658_hash send_stream 4 3397 _002658_hash NULL
++_002659_hash sis190_try_rx_copy 3 57069 _002659_hash NULL
++_002664_hash skb_copy_and_csum_datagram_iovec 2 24466 _002664_hash NULL
++_002666_hash skge_rx_get 3 40598 _002666_hash NULL
++_002667_hash smp_send_cmd 3 512 _002667_hash NULL
++_002668_hash snd_gf1_mem_proc_dump 5 16926 _003499_hash NULL nohasharray
++_002669_hash sta_dev_read 3 14782 _002669_hash NULL
++_002670_hash sta_inactive_ms_read 3 25690 _002670_hash NULL
++_002671_hash sta_last_signal_read 3 31818 _002671_hash NULL
++_002672_hash stats_dot11ACKFailureCount_read 3 45558 _002672_hash NULL
++_002673_hash stats_dot11FCSErrorCount_read 3 28154 _002673_hash NULL
++_002674_hash stats_dot11RTSFailureCount_read 3 43948 _002674_hash NULL
++_002675_hash stats_dot11RTSSuccessCount_read 3 33065 _002675_hash NULL
++_002676_hash storvsc_connect_to_vsp 2 22 _002676_hash NULL
++_002677_hash sys_msgrcv 3 959 _002677_hash NULL
++_002678_hash sys_syslog 3 10746 _002678_hash NULL
++_002679_hash tcf_csum_ipv4_icmp 3 9258 _002679_hash NULL
++_002680_hash tcf_csum_ipv4_igmp 3 60446 _002680_hash NULL
++_002681_hash tcf_csum_ipv4_tcp 4 39713 _002681_hash NULL
++_002682_hash tcf_csum_ipv4_udp 4 30777 _002682_hash NULL
++_002683_hash tcf_csum_ipv6_icmp 4 11738 _002683_hash NULL
++_002684_hash tcf_csum_ipv6_tcp 4 54877 _002684_hash NULL
++_002685_hash tcf_csum_ipv6_udp 4 25241 _002685_hash NULL
++_002686_hash tcm_loop_change_queue_depth 2 42454 _002686_hash NULL
++_002687_hash tcp_copy_to_iovec 3 28344 _002687_hash NULL
++_002688_hash tcp_mark_head_lost 2 35895 _002688_hash NULL
++_002689_hash tcp_match_skb_to_sack 4 23568 _002689_hash NULL
++_002690_hash timeout_read 3 47915 _002690_hash NULL
++_002691_hash tipc_multicast 5 49144 _002691_hash NULL
++_002692_hash tipc_port_recv_sections 4 42890 _002692_hash NULL
++_002693_hash tipc_port_reject_sections 5 55229 _002693_hash NULL
++_002694_hash total_ps_buffered_read 3 16365 _002694_hash NULL
++_002695_hash tso_fragment 3 29050 _002695_hash NULL
++_002696_hash tty_insert_flip_string 3 34042 _002696_hash NULL
++_002698_hash tun_put_user 4 59849 _002698_hash NULL
++_002699_hash twa_change_queue_depth 2 48808 _002699_hash NULL
++_002700_hash tw_change_queue_depth 2 11116 _002700_hash NULL
++_002701_hash twl_change_queue_depth 2 41342 _002701_hash NULL
++_002702_hash ubi_eba_atomic_leb_change 5 60379 _002702_hash NULL
++_002703_hash ubi_eba_write_leb 5-6 36029 _002703_hash NULL
++_002705_hash ubi_eba_write_leb_st 5 44343 _002705_hash NULL
++_002706_hash udp_recvmsg 4 42558 _002706_hash NULL
++_002707_hash udpv6_recvmsg 4 9813 _002707_hash &_002506_hash
++_002708_hash udpv6_sendmsg 4 22316 _002708_hash NULL
++_002709_hash ulong_read_file 3 42304 _002709_hash &_000522_hash
++_002710_hash unix_dgram_recvmsg 4 14952 _002710_hash NULL
++_002711_hash user_power_read 3 39414 _002711_hash NULL
++_002712_hash v9fs_direct_read 3 45546 _002712_hash NULL
++_002713_hash v9fs_file_readn 4 36353 _002713_hash &_001799_hash
++_002714_hash vcc_recvmsg 4 37198 _002714_hash NULL
++_002715_hash velocity_rx_copy 2 34583 _002715_hash NULL
++_002716_hash W6692_empty_Bfifo 2 47804 _002716_hash NULL
++_002717_hash wep_iv_read 3 54744 _002717_hash NULL
++_002718_hash x25_recvmsg 4 42777 _002718_hash NULL
++_002719_hash xfs_buf_get_map 3 24522 _002719_hash NULL
++_002720_hash xfs_file_aio_write 4 33234 _002720_hash NULL
++_002721_hash xfs_iext_insert 3 18667 _002741_hash NULL nohasharray
++_002722_hash xfs_iext_remove 3 50909 _002722_hash NULL
++_002723_hash xlog_do_recovery_pass 3 21618 _002723_hash NULL
++_002724_hash xlog_find_verify_log_record 2 18870 _002724_hash NULL
++_002725_hash zd_mac_rx 3 38296 _002725_hash NULL
++_002726_hash aircable_process_packet 5 46639 _002726_hash NULL
++_002727_hash ath6kl_wmi_get_new_buf 1 52304 _002727_hash NULL
++_002728_hash batadv_iv_ogm_queue_add 3 46319 _002728_hash NULL
++_002729_hash batadv_receive_client_update_packet 3 41578 _002729_hash NULL
++_002730_hash batadv_receive_server_sync_packet 3 26577 _002730_hash &_000494_hash
++_002731_hash brcmf_alloc_pkt_and_read 2 63116 _002731_hash &_002028_hash
++_002732_hash brcmf_sdcard_recv_buf 6 38179 _002732_hash NULL
++_002733_hash brcmf_sdcard_rwdata 5 65041 _002733_hash NULL
++_002734_hash brcmf_sdcard_send_buf 6 7713 _002734_hash NULL
++_002735_hash brcmf_sdio_forensic_read 3 35311 _002735_hash &_001382_hash
++_002736_hash btrfs_alloc_free_block 3 8986 _002736_hash NULL
++_002737_hash btrfs_free_and_pin_reserved_extent 2 53016 _002737_hash NULL
++_002738_hash btrfs_free_reserved_extent 2 9867 _002738_hash NULL
++_002739_hash carl9170_handle_mpdu 3 11056 _002739_hash NULL
++_002740_hash do_trimming 3 26952 _002740_hash NULL
++_002741_hash edge_tty_recv 4 18667 _002741_hash &_002721_hash
++_002742_hash fwnet_receive_packet 9 50537 _002742_hash NULL
++_002743_hash gigaset_if_receive 3 4861 _002743_hash NULL
++_002744_hash gsm_dlci_data 3 14155 _002744_hash NULL
++_002745_hash handle_rx_packet 3 58993 _002745_hash NULL
++_002746_hash HDLC_irq 2 8709 _002746_hash NULL
++_002747_hash hdlc_rpr_irq 2 10240 _002747_hash NULL
++_002749_hash ifx_spi_insert_flip_string 3 51752 _002749_hash NULL
++_002753_hash ip_nat_sdp_media 8 23386 _002753_hash NULL
++_002754_hash ip_send_unicast_reply 6 38714 _002754_hash NULL
++_002756_hash ipwireless_network_packet_received 4 51277 _002756_hash NULL
++_002757_hash ipwireless_tty_received 3 49154 _002757_hash NULL
++_002758_hash iscsi_iser_recv 4 41948 _002758_hash NULL
++_002759_hash l2cap_bredr_sig_cmd 3 49065 _002759_hash NULL
++_002760_hash l2cap_sock_alloc_skb_cb 2 33532 _002760_hash NULL
++_002761_hash l2cap_sock_recvmsg 4 59886 _002761_hash NULL
++_002762_hash llcp_allocate_pdu 3 19866 _002762_hash NULL
++_002763_hash macvtap_recvmsg 4 63949 _002763_hash NULL
++_002764_hash osd_req_list_dev_partitions 4 60027 _002764_hash NULL
++_002765_hash osd_req_list_partition_collections 5 38223 _002765_hash NULL
++_002766_hash osst_do_scsi 4 44410 _002766_hash NULL
++_002767_hash ping_sendmsg 4 3782 _002767_hash NULL
++_002768_hash ppp_cp_event 6 2965 _002768_hash NULL
++_002769_hash pty_write 3 44757 _002769_hash &_001733_hash
++_002770_hash push_rx 3 28939 _002770_hash NULL
++_002772_hash qla2x00_handle_queue_full 2 24365 _002772_hash NULL
++_002773_hash qla4xxx_change_queue_depth 2 1268 _002773_hash NULL
++_002774_hash rfcomm_sock_recvmsg 4 22227 _002774_hash NULL
++_002775_hash scsi_execute_req 5 42088 _002775_hash NULL
++_002776_hash _scsih_change_queue_depth 2 26230 _002776_hash NULL
++_002777_hash sctp_sf_abort_violation 6 38380 _002777_hash NULL
++_002778_hash send_to_tty 3 45141 _002778_hash NULL
++_002780_hash sky2_receive 2 13407 _002780_hash NULL
++_002781_hash spi_execute 5 28736 _002781_hash NULL
++_002782_hash submit_inquiry 3 42108 _002782_hash NULL
++_002783_hash tcp_dma_try_early_copy 3 4457 _002783_hash NULL
++_002784_hash tcp_sacktag_walk 6 49703 _002784_hash NULL
++_002785_hash tcp_write_xmit 2 64602 _002785_hash NULL
++_002786_hash ti_recv 4 22027 _002786_hash NULL
++_002787_hash tun_do_read 4 50800 _002787_hash NULL
++_002788_hash ubi_leb_change 4 10289 _002788_hash NULL
++_002789_hash ubi_leb_write 4-5 5478 _002789_hash NULL
++_002791_hash udp_sendmsg 4 4492 _002791_hash NULL
++_002792_hash unix_seqpacket_recvmsg 4 23062 _002792_hash &_000477_hash
++_002793_hash v9fs_cached_file_read 3 2514 _002793_hash NULL
++_002794_hash write_leb 5 36957 _002794_hash NULL
++_002795_hash xfs_buf_read_map 3 40226 _002795_hash NULL
++_002796_hash xfs_trans_get_buf_map 4 2927 _002796_hash NULL
++_002797_hash xlog_do_log_recovery 3 17550 _002797_hash NULL
++_002798_hash ath6kl_wmi_add_wow_pattern_cmd 4 12842 _002798_hash NULL
++_002799_hash ath6kl_wmi_beginscan_cmd 8 25462 _002799_hash NULL
++_002800_hash ath6kl_wmi_send_probe_response_cmd 6 31728 _002800_hash NULL
++_002801_hash ath6kl_wmi_set_appie_cmd 5 39266 _002801_hash NULL
++_002802_hash ath6kl_wmi_set_ie_cmd 6 37260 _002802_hash NULL
++_002803_hash ath6kl_wmi_startscan_cmd 8 33674 _002803_hash NULL
++_002804_hash ath6kl_wmi_test_cmd 3 27312 _002804_hash NULL
++_002805_hash brcmf_sdbrcm_membytes 3-5 37324 _002805_hash NULL
++_002807_hash brcmf_sdbrcm_read_control 3 22721 _002807_hash NULL
++_002808_hash brcmf_tx_frame 3 20978 _002808_hash NULL
++_002809_hash __carl9170_rx 3 56784 _002809_hash NULL
++_002810_hash ch_do_scsi 4 31171 _002810_hash NULL
++_002811_hash dbg_leb_change 4 23555 _002811_hash NULL
++_002812_hash dbg_leb_write 4-5 63555 _002812_hash &_000971_hash
++_002814_hash gluebi_write 3 27905 _002814_hash NULL
++_002815_hash hdlc_irq_one 2 3944 _002815_hash NULL
++_002819_hash iser_rcv_completion 2 8048 _002819_hash NULL
++_002820_hash lock_loop 1 61681 _002820_hash NULL
++_002821_hash process_rcvd_data 3 6679 _002821_hash NULL
++_002822_hash brcmf_sdbrcm_bus_txctl 3 42492 _002822_hash NULL
++_002823_hash carl9170_rx 3 13272 _002823_hash NULL
++_002824_hash carl9170_rx_stream 3 1334 _002824_hash NULL
++_002826_hash mpt_lan_receive_post_turbo 2 13592 _002826_hash NULL
++_002827_hash padzero 1 55 _002827_hash &_002251_hash
++_002828_hash scsi_mode_sense 5 16835 _002828_hash NULL
++_002829_hash scsi_vpd_inquiry 4 30040 _002829_hash NULL
++_002830_hash ses_recv_diag 4 47143 _002830_hash &_000679_hash
++_002831_hash ses_send_diag 4 64527 _002831_hash NULL
++_002832_hash tcp_push_one 2 48816 _002832_hash NULL
++_002833_hash __tcp_push_pending_frames 2 48148 _002833_hash NULL
++_002834_hash trim_bitmaps 3 24158 _002834_hash NULL
++_002835_hash tun_recvmsg 4 48463 _002835_hash NULL
++_002836_hash ubifs_leb_change 4 17789 _002836_hash NULL
++_002837_hash ubifs_leb_write 4-5 22679 _002837_hash NULL
++_002839_hash xfs_buf_readahead_map 3 44248 _002839_hash &_000851_hash
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++_002841_hash xlog_do_recover 3 59789 _002841_hash NULL
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++_002843_hash do_write_orph_node 2 64343 _002843_hash NULL
++_002844_hash fix_unclean_leb 3 23188 _002844_hash NULL
++_002845_hash fixup_leb 3 43256 _002845_hash NULL
++_002846_hash recover_head 3 17904 _002846_hash NULL
++_002847_hash scsi_get_vpd_page 4 51951 _002847_hash NULL
++_002848_hash sd_do_mode_sense 5 11507 _002848_hash NULL
++_002849_hash tcp_push 3 10680 _002849_hash NULL
++_002850_hash ubifs_wbuf_write_nolock 3 64946 _002850_hash NULL
++_002851_hash ubifs_write_node 3-5 11258 _002851_hash NULL
++_002852_hash ubifs_recover_leb 3 60639 _002852_hash NULL
++_002853_hash write_head 4 30481 _002853_hash NULL
++_002854_hash write_node 4 33121 _002854_hash NULL
++_002855_hash ubifs_recover_log_leb 3 12079 _002855_hash NULL
++_002856_hash replay_log_leb 3 18704 _002856_hash NULL
++_002857_hash alloc_cpu_rmap 1 65363 _002857_hash NULL
++_002858_hash alloc_ebda_hpc 1-2 50046 _002858_hash NULL
++_002860_hash alloc_sched_domains 1 28972 _002860_hash NULL
++_002861_hash amthi_read 4 45831 _002861_hash NULL
++_002862_hash bcm_char_read 3 31750 _002862_hash NULL
++_002863_hash BcmCopySection 5 2035 _002863_hash NULL
++_002864_hash buffer_from_user 3 51826 _002864_hash NULL
++_002865_hash buffer_to_user 3 35439 _002865_hash NULL
++_002866_hash card_send_command 3 40757 _002866_hash NULL
++_002867_hash chd_dec_fetch_cdata 3 50926 _002867_hash NULL
++_002868_hash copy_nodes_to_user 2 63807 _002868_hash NULL
++_002869_hash create_log 2 8225 _002869_hash NULL
++_002870_hash crystalhd_create_dio_pool 2 3427 _002870_hash NULL
++_002871_hash crystalhd_user_data 3 18407 _002871_hash NULL
++_002872_hash do_pages_stat 2 4437 _002872_hash NULL
++_002873_hash do_read_log_to_user 4 3236 _002873_hash NULL
++_002874_hash do_write_log_from_user 3 39362 _002874_hash NULL
++_002875_hash evm_read_key 3 54674 _002875_hash NULL
++_002876_hash evm_write_key 3 27715 _002876_hash NULL
++_002877_hash fir16_create 3 5574 _002877_hash NULL
++_002878_hash get_nodes 3 39012 _002878_hash NULL
++_002879_hash __iio_allocate_kfifo 2-3 55738 _002879_hash NULL
++_002881_hash __iio_allocate_sw_ring_buffer 3 4843 _002881_hash NULL
++_002882_hash iio_debugfs_read_reg 3 60908 _002882_hash NULL
++_002883_hash iio_debugfs_write_reg 3 22742 _002883_hash NULL
++_002884_hash iio_device_alloc 1 41440 _002884_hash NULL
++_002885_hash iio_event_chrdev_read 3 54757 _002885_hash NULL
++_002886_hash iio_read_first_n_kfifo 2 57910 _002886_hash NULL
++_002887_hash iio_read_first_n_sw_rb 2 51911 _002887_hash NULL
++_002888_hash ioapic_setup_resources 1 35255 _002888_hash NULL
++_002889_hash keymap_store 4 45406 _002889_hash NULL
++_002890_hash line6_alloc_sysex_buffer 4 28225 _002890_hash NULL
++_002891_hash line6_dumpreq_initbuf 3 53123 _002891_hash NULL
++_002892_hash line6_midibuf_init 2 52425 _002892_hash NULL
++_002893_hash _malloc 1 54077 _002893_hash NULL
++_002894_hash mei_read 3 6507 _002894_hash NULL
++_002895_hash mei_write 3 4005 _002895_hash NULL
++_002896_hash msg_set 3 51725 _002896_hash NULL
++_002897_hash newpart 6 47485 _002897_hash NULL
++_002898_hash OS_kmalloc 1 36909 _002898_hash NULL
++_002899_hash OS_mem_token_alloc 1 14276 _002899_hash NULL
++_002900_hash packet_came 3 18072 _002900_hash NULL
++_002901_hash pcpu_alloc_bootmem 2 62074 _002901_hash NULL
++_002902_hash pcpu_build_alloc_info 1-3-2 41443 _002902_hash NULL
++_002905_hash pcpu_get_vm_areas 3 50085 _002905_hash NULL
++_002906_hash resource_from_user 3 30341 _002906_hash NULL
++_002907_hash rtsx_read_cfg_seq 3-5 48139 _002907_hash NULL
++_002909_hash rtsx_write_cfg_seq 3-5 27485 _002909_hash NULL
++_002911_hash sca3000_read_data 4 57064 _002911_hash NULL
++_002912_hash sca3000_read_first_n_hw_rb 2 11479 _002912_hash NULL
++_002913_hash send_midi_async 3 57463 _002913_hash NULL
++_002914_hash sep_create_dcb_dmatables_context 6 37551 _002914_hash NULL
++_002915_hash sep_create_dcb_dmatables_context_kernel 6 49728 _002915_hash NULL
++_002916_hash sep_create_msgarea_context 4 33829 _002916_hash NULL
++_002917_hash sep_lli_table_secure_dma 2-3 64042 _002917_hash NULL
++_002919_hash sep_lock_user_pages 2-3 57470 _002919_hash &_002488_hash
++_002921_hash sep_prepare_input_output_dma_table_in_dcb 4-5-2-3 63087 _002921_hash NULL
++_002923_hash sep_read 3 17161 _002923_hash NULL
++_002924_hash TransmitTcb 4 12989 _002924_hash NULL
++_002925_hash ValidateDSDParamsChecksum 3 63654 _002925_hash NULL
++_002926_hash Wb35Reg_BurstWrite 4 62327 _002926_hash NULL
++_002927_hash alloc_irq_cpu_rmap 1 28459 _002927_hash NULL
++_002928_hash InterfaceTransmitPacket 3 42058 _002928_hash NULL
++_002929_hash line6_dumpreq_init 3 34473 _002929_hash NULL
++_002931_hash pcpu_embed_first_chunk 1-3-2 24224 _002931_hash NULL
++_002933_hash pcpu_fc_alloc 2 11818 _002933_hash NULL
++_002934_hash pcpu_page_first_chunk 1 20712 _002934_hash NULL
++_002935_hash pod_alloc_sysex_buffer 3 31651 _002935_hash NULL
++_002936_hash r8712_usbctrl_vendorreq 6 48489 _002936_hash NULL
++_002937_hash r871x_set_wpa_ie 3 7000 _002937_hash NULL
++_002938_hash sep_prepare_input_dma_table 2-3 2009 _002938_hash NULL
++_002940_hash sep_prepare_input_output_dma_table 2-4-3 63429 _002940_hash NULL
++_002943_hash sys_get_mempolicy 3 30379 _002943_hash NULL
++_002944_hash sys_mbind 5 7990 _002944_hash NULL
++_002945_hash sys_migrate_pages 2 39825 _002945_hash NULL
++_002946_hash sys_move_pages 2 42626 _002946_hash NULL
++_002947_hash sys_set_mempolicy 3 32608 _002947_hash NULL
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++_002949_hash vme_user_read 3 55338 _002949_hash NULL
++_002950_hash vme_user_write 3 15587 _002950_hash NULL
++_002954_hash variax_set_raw2 4 32374 _002954_hash NULL
++_002955_hash copy_in_user 3 57502 _002955_hash NULL
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++_002957_hash rfc4106_set_key 3 54519 _002957_hash NULL
++_002958_hash sparse_early_usemaps_alloc_pgdat_section 2 62304 _002958_hash NULL
++_002959_hash sparse_early_usemaps_alloc_node 4 9269 _002959_hash NULL
++_002960_hash sparse_mem_maps_populate_node 4 12669 _002960_hash &_002242_hash
++_002961_hash vmemmap_alloc_block 1 43245 _002961_hash NULL
++_002962_hash sparse_early_mem_maps_alloc_node 4 36971 _002962_hash NULL
++_002963_hash vmemmap_alloc_block_buf 1 61126 _002963_hash NULL
++_002964_hash alloc_mr 1 45935 _002964_hash NULL
++_002965_hash atomic_counters_read 3 48827 _002965_hash NULL
++_002966_hash atomic_stats_read 3 36228 _002966_hash NULL
++_002967_hash capabilities_read 3 58457 _002967_hash NULL
++_002968_hash compat_core_sys_select 1 65285 _002968_hash NULL
++_002969_hash compat_dccp_setsockopt 5 51263 _002969_hash NULL
++_002970_hash compat_do_arpt_set_ctl 4 12184 _002970_hash NULL
++_002971_hash compat_do_ip6t_set_ctl 4 3184 _002971_hash NULL
++_002972_hash compat_do_ipt_set_ctl 4 58466 _002972_hash &_002078_hash
++_002973_hash compat_filldir 3 32999 _002973_hash NULL
++_002974_hash compat_filldir64 3 35354 _002974_hash NULL
++_002975_hash compat_fillonedir 3 15620 _002975_hash NULL
++_002976_hash compat_ip_setsockopt 5 13870 _003094_hash NULL nohasharray
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++_002978_hash compat_mpctl_ioctl 2 45671 _002978_hash NULL
++_002979_hash compat_raw_setsockopt 5 30634 _002979_hash NULL
++_002980_hash compat_rawv6_setsockopt 5 4967 _002980_hash NULL
++_002981_hash compat_rw_copy_check_uvector 3 22001 _003263_hash NULL nohasharray
++_002982_hash compat_sock_setsockopt 5 23 _002982_hash NULL
++_002983_hash compat_sys_get_mempolicy 3 31109 _002983_hash NULL
++_002984_hash compat_sys_kexec_load 2 35674 _002984_hash NULL
++_002985_hash compat_sys_keyctl 4 9639 _002985_hash NULL
++_002986_hash compat_sys_mbind 5 36256 _002986_hash NULL
++_002987_hash compat_sys_migrate_pages 2 3157 _002987_hash NULL
++_002988_hash compat_sys_move_pages 2 5861 _002988_hash NULL
++_002989_hash compat_sys_mq_timedsend 3 31060 _002989_hash NULL
++_002990_hash compat_sys_msgrcv 2 7482 _002990_hash NULL
++_002991_hash compat_sys_msgsnd 2 10738 _002991_hash NULL
++_002992_hash compat_sys_semtimedop 3 3606 _002992_hash NULL
++_002993_hash compat_sys_set_mempolicy 3 57742 _002993_hash &_002614_hash
++_002994_hash __copy_in_user 3 34790 _002994_hash NULL
++_002995_hash dev_counters_read 3 19216 _002995_hash NULL
++_002996_hash dev_names_read 3 38509 _002996_hash NULL
++_002997_hash driver_names_read 3 60399 _002997_hash NULL
++_002998_hash driver_stats_read 3 8944 _002998_hash NULL
++_002999_hash evdev_ioctl_compat 2 13851 _002999_hash NULL
++_003000_hash evtchn_read 3 3569 _003000_hash NULL
++_003001_hash evtchn_write 3 43278 _003001_hash NULL
++_003002_hash fat_compat_ioctl_filldir 3 36328 _003002_hash NULL
++_003003_hash flash_read 3 57843 _003003_hash NULL
++_003004_hash flash_write 3 62354 _003004_hash NULL
++_003005_hash fw_device_op_compat_ioctl 2 42804 _003005_hash NULL
++_003006_hash gather_array 3 56641 _003006_hash NULL
++_003007_hash ghash_async_setkey 3 60001 _003007_hash NULL
++_003008_hash gntdev_alloc_map 2 35145 _003008_hash NULL
++_003009_hash gnttab_map 2 56439 _003009_hash NULL
++_003010_hash gru_alloc_gts 2-3 60056 _003010_hash &_000981_hash
++_003012_hash hiddev_compat_ioctl 2 41255 _003012_hash NULL
++_003013_hash init_cdev 1 8274 _003013_hash NULL
++_003014_hash init_per_cpu 1 17880 _003014_hash NULL
++_003015_hash ipath_create_cq 2 45586 _003015_hash NULL
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++_003017_hash ipath_init_qp_table 2 25167 _003017_hash NULL
++_003018_hash ipath_resize_cq 2 712 _003018_hash NULL
++_003019_hash joydev_compat_ioctl 2 8765 _003019_hash NULL
++_003020_hash mon_bin_compat_ioctl 3 50234 _003020_hash NULL
++_003021_hash options_write 3 47243 _003021_hash NULL
++_003022_hash portcntrs_1_read 3 47253 _003022_hash NULL
++_003023_hash portcntrs_2_read 3 56586 _003023_hash NULL
++_003024_hash portnames_read 3 41958 _003024_hash NULL
++_003025_hash ptc_proc_write 3 12076 _003025_hash NULL
++_003026_hash put_cmsg_compat 4 35937 _003026_hash NULL
++_003027_hash qib_alloc_devdata 2 51819 _003027_hash NULL
++_003028_hash qib_alloc_fast_reg_page_list 2 10507 _003028_hash NULL
++_003029_hash qib_cdev_init 1 34778 _003029_hash NULL
++_003030_hash qib_create_cq 2 27497 _003030_hash NULL
++_003031_hash qib_diag_write 3 62133 _003031_hash NULL
++_003032_hash qib_get_base_info 3 11369 _003032_hash NULL
++_003033_hash qib_resize_cq 2 53090 _003033_hash NULL
++_003034_hash qsfp_1_read 3 21915 _003034_hash NULL
++_003035_hash qsfp_2_read 3 31491 _003035_hash NULL
++_003036_hash queue_reply 3 22416 _003036_hash NULL
++_003037_hash spidev_compat_ioctl 2 63778 _003037_hash NULL
++_003038_hash split 2 11691 _003038_hash NULL
++_003039_hash stats_read_ul 3 32751 _003039_hash NULL
++_003040_hash sys32_ipc 3 7238 _003040_hash NULL
++_003041_hash sys32_rt_sigpending 2 25814 _003041_hash NULL
++_003042_hash tunables_read 3 36385 _003042_hash NULL
++_003043_hash tunables_write 3 59563 _003043_hash NULL
++_003044_hash xenbus_file_write 3 6282 _003044_hash NULL
++_003045_hash xlbd_reserve_minors 1-2 18365 _003045_hash NULL
++_003047_hash xpc_kmalloc_cacheline_aligned 1 42895 _003047_hash NULL
++_003048_hash xpc_kzalloc_cacheline_aligned 1 65433 _003048_hash NULL
++_003049_hash xsd_read 3 15653 _003049_hash NULL
++_003050_hash compat_do_readv_writev 4 49102 _003050_hash NULL
++_003051_hash compat_keyctl_instantiate_key_iov 3 57431 _003088_hash NULL nohasharray
++_003052_hash compat_process_vm_rw 3-5 22254 _003052_hash NULL
++_003054_hash compat_sys_select 1 16131 _003054_hash NULL
++_003055_hash compat_sys_setsockopt 5 3326 _003055_hash NULL
++_003056_hash compat_udp_setsockopt 5 38840 _003056_hash NULL
++_003057_hash compat_udpv6_setsockopt 5 42981 _003057_hash NULL
++_003058_hash do_compat_pselect 1 10398 _003058_hash NULL
++_003059_hash gnttab_expand 1 15817 _003059_hash NULL
++_003060_hash ipath_cdev_init 1 37752 _003060_hash NULL
++_003061_hash ipath_reg_phys_mr 3 23918 _003061_hash &_000999_hash
++_003062_hash qib_alloc_fast_reg_mr 2 12526 _003062_hash NULL
++_003063_hash qib_reg_phys_mr 3 60202 _003063_hash &_000897_hash
++_003064_hash compat_readv 3 30273 _003064_hash NULL
++_003065_hash compat_sys_process_vm_readv 3-5 15374 _003065_hash NULL
++_003067_hash compat_sys_process_vm_writev 3-5 41194 _003067_hash NULL
++_003069_hash compat_sys_pselect6 1 14105 _003069_hash NULL
++_003070_hash compat_writev 3 60063 _003070_hash NULL
++_003071_hash get_free_entries 1 46030 _003071_hash NULL
++_003072_hash compat_sys_preadv64 3 24283 _003072_hash NULL
++_003073_hash compat_sys_pwritev64 3 51151 _003073_hash NULL
++_003074_hash compat_sys_readv 3 20911 _003074_hash NULL
++_003075_hash compat_sys_writev 3 5784 _003075_hash NULL
++_003076_hash gnttab_alloc_grant_references 1 18240 _003076_hash NULL
++_003077_hash compat_sys_preadv 3 583 _003077_hash NULL
++_003078_hash compat_sys_pwritev 3 17886 _003078_hash NULL
++_003079_hash aes_decrypt_fail_read 3 54815 _003079_hash NULL
++_003080_hash aes_decrypt_interrupt_read 3 19910 _003080_hash NULL
++_003081_hash aes_decrypt_packets_read 3 10155 _003081_hash NULL
++_003082_hash aes_encrypt_fail_read 3 32562 _003082_hash NULL
++_003083_hash aes_encrypt_interrupt_read 3 39919 _003083_hash NULL
++_003084_hash aes_encrypt_packets_read 3 48666 _003084_hash NULL
++_003085_hash agp_remap 2 30665 _003085_hash NULL
++_003086_hash alloc_apertures 1 56561 _003086_hash NULL
++_003087_hash allocate_probes 1 40204 _003087_hash NULL
++_003088_hash alloc_ftrace_hash 1 57431 _003088_hash &_003051_hash
++_003089_hash alloc_page_cgroup 1 2919 _003089_hash NULL
++_003090_hash __alloc_preds 2 9492 _003090_hash NULL
++_003091_hash __alloc_pred_stack 2 26687 _003091_hash NULL
++_003092_hash alloc_sched_domains 1 47756 _003092_hash NULL
++_003093_hash alloc_trace_probe 6 38720 _003093_hash NULL
++_003094_hash alloc_trace_uprobe 3 13870 _003094_hash &_002976_hash
++_003095_hash ath6kl_sdio_alloc_prep_scat_req 2 51986 _003095_hash NULL
++_003096_hash ath6kl_usb_post_recv_transfers 2 32892 _003096_hash NULL
++_003097_hash ath6kl_usb_submit_ctrl_in 6 32880 _003097_hash &_000795_hash
++_003098_hash ath6kl_usb_submit_ctrl_out 6 9978 _003098_hash NULL
++_003099_hash av7110_ipack_init 2 46655 _003099_hash NULL
++_003100_hash av7110_vbi_write 3 34384 _003100_hash NULL
++_003101_hash bin_uuid 3 28999 _003101_hash NULL
++_003102_hash blk_dropped_read 3 4168 _003102_hash NULL
++_003103_hash blk_msg_write 3 13655 _003103_hash NULL
++_003104_hash brcmf_usbdev_qinit 2 19090 _003104_hash &_001715_hash
++_003105_hash brcmf_usb_dl_cmd 4 53130 _003105_hash NULL
++_003106_hash ci_ll_init 3 12930 _003106_hash NULL
++_003107_hash ci_ll_write 4 3740 _003107_hash NULL
++_003108_hash conf_read 3 55786 _003108_hash NULL
++_003109_hash __copy_from_user_inatomic_nocache 3 49921 _003109_hash NULL
++_003110_hash cx24116_writeregN 4 41975 _003110_hash NULL
++_003111_hash cyttsp_probe 4 1940 _003111_hash NULL
++_003112_hash dccpprobe_read 3 52549 _003112_hash NULL
++_003113_hash ddb_input_read 3 9743 _003113_hash NULL
++_003114_hash ddb_output_write 3 31902 _003114_hash NULL
++_003115_hash __devres_alloc 2 25598 _003115_hash NULL
++_003116_hash dma_rx_errors_read 3 52045 _003116_hash NULL
++_003117_hash dma_rx_requested_read 3 65354 _003117_hash NULL
++_003118_hash dma_tx_errors_read 3 46060 _003118_hash NULL
++_003119_hash dma_tx_requested_read 3 16110 _003203_hash NULL nohasharray
++_003120_hash do_dmabuf_dirty_sou 7 3017 _003120_hash NULL
++_003121_hash do_surface_dirty_sou 7 39678 _003121_hash NULL
++_003122_hash driver_state_read 3 17194 _003122_hash &_001511_hash
++_003123_hash drm_agp_bind_pages 3 56748 _003123_hash NULL
++_003124_hash drm_buffer_alloc 2 44405 _003124_hash NULL
++_003125_hash drm_calloc_large 1-2 65421 _003125_hash NULL
++_003127_hash drm_fb_helper_init 3-4 19044 _003127_hash NULL
++_003129_hash drm_ht_create 2 18853 _003129_hash NULL
++_003130_hash drm_ioctl 2 42813 _003130_hash NULL
++_003131_hash drm_malloc_ab 1-2 16831 _003131_hash NULL
++_003133_hash drm_mode_crtc_set_gamma_size 2 31881 _003133_hash NULL
++_003134_hash drm_plane_init 6 28731 _003134_hash NULL
++_003135_hash drm_property_create 4 51239 _003135_hash NULL
++_003136_hash drm_property_create_blob 2 7414 _003136_hash NULL
++_003137_hash drm_vblank_init 2 11362 _003137_hash NULL
++_003138_hash drm_vmalloc_dma 1 14550 _003138_hash NULL
++_003139_hash dvb_aplay 3 56296 _003139_hash NULL
++_003140_hash dvb_ca_en50221_init 4 45718 _003140_hash NULL
++_003141_hash dvb_ca_en50221_io_write 3 43533 _003141_hash NULL
++_003142_hash dvb_dmxdev_set_buffer_size 2 55643 _003142_hash NULL
++_003143_hash dvbdmx_write 3 19423 _003143_hash NULL
++_003144_hash dvb_dvr_set_buffer_size 2 9840 _003144_hash NULL
++_003145_hash dvb_net_sec 3 37884 _003145_hash NULL
++_003146_hash dvb_play 3 50814 _003146_hash NULL
++_003147_hash dvb_ringbuffer_pkt_read_user 2-5-3 4303 _003147_hash NULL
++_003150_hash dvb_ringbuffer_read_user 3 56702 _003150_hash NULL
++_003151_hash dvb_usercopy 2 14036 _003151_hash NULL
++_003152_hash dw210x_op_rw 6 39915 _003152_hash NULL
++_003153_hash edt_ft5x06_debugfs_raw_data_read 3 28002 _003153_hash NULL
++_003154_hash em_canid_change 3 14150 _003154_hash NULL
++_003155_hash event_calibration_read 3 21083 _003155_hash NULL
++_003156_hash event_enable_read 3 7074 _003156_hash NULL
++_003157_hash event_filter_read 3 23494 _003157_hash NULL
++_003158_hash event_filter_write 3 56609 _003158_hash NULL
++_003159_hash event_heart_beat_read 3 48961 _003159_hash NULL
++_003160_hash event_id_read 3 64288 _003160_hash &_001300_hash
++_003161_hash event_oom_late_read 3 61175 _003161_hash &_001054_hash
++_003162_hash event_phy_transmit_error_read 3 10471 _003162_hash NULL
++_003163_hash event_rx_mem_empty_read 3 40363 _003163_hash NULL
++_003164_hash event_rx_mismatch_read 3 38518 _003164_hash NULL
++_003165_hash event_rx_pool_read 3 25792 _003165_hash NULL
++_003166_hash event_tx_stuck_read 3 19305 _003166_hash NULL
++_003167_hash excessive_retries_read 3 60425 _003167_hash NULL
++_003168_hash flexcop_device_kmalloc 1 54793 _003168_hash NULL
++_003169_hash fm_send_cmd 5 39639 _003169_hash NULL
++_003170_hash __fprog_create 2 41263 _003170_hash NULL
++_003171_hash fq_codel_zalloc 1 15378 _003171_hash NULL
++_003172_hash ftrace_pid_write 3 39710 _003172_hash NULL
++_003173_hash ftrace_profile_read 3 21327 _003173_hash NULL
++_003174_hash fw_stats_raw_read 3 1369 _003174_hash NULL
++_003175_hash get_info 3 55681 _003175_hash NULL
++_003176_hash __get_vm_area_node 1 55305 _003176_hash NULL
++_003177_hash gpio_power_read 3 36059 _003177_hash NULL
++_003178_hash h5_prepare_pkt 4 12085 _003178_hash NULL
++_003179_hash hsc_msg_alloc 1 60990 _003179_hash NULL
++_003180_hash hsc_write 3 55875 _003180_hash NULL
++_003181_hash hsi_alloc_controller 1 41802 _003181_hash NULL
++_003182_hash hsi_register_board_info 2 13820 _003182_hash NULL
++_003183_hash hugetlb_cgroup_read 5 49259 _003183_hash NULL
++_003184_hash i915_cache_sharing_read 3 24775 _003184_hash NULL
++_003185_hash i915_cache_sharing_write 3 57961 _003185_hash NULL
++_003186_hash i915_max_freq_read 3 20581 _003186_hash NULL
++_003187_hash i915_max_freq_write 3 11350 _003187_hash NULL
++_003188_hash i915_min_freq_read 3 38470 _003188_hash NULL
++_003189_hash i915_min_freq_write 3 10981 _003189_hash NULL
++_003190_hash i915_ring_stop_read 3 42549 _003190_hash &_000740_hash
++_003191_hash i915_ring_stop_write 3 59010 _003191_hash NULL
++_003192_hash i915_wedged_read 3 35474 _003192_hash NULL
++_003193_hash i915_wedged_write 3 47771 _003193_hash NULL
++_003194_hash ieee802154_alloc_device 1 13767 _003194_hash NULL
++_003195_hash intel_sdvo_write_cmd 4 54377 _003195_hash &_000832_hash
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++_003197_hash isr_commands_read 3 41398 _003197_hash NULL
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++_003199_hash isr_dma0_done_read 3 8574 _003199_hash NULL
++_003200_hash isr_dma1_done_read 3 48159 _003200_hash NULL
++_003201_hash isr_fiqs_read 3 34687 _003201_hash NULL
++_003202_hash isr_host_acknowledges_read 3 54136 _003202_hash NULL
++_003203_hash isr_hw_pm_mode_changes_read 3 16110 _003203_hash &_003119_hash
++_003204_hash isr_irqs_read 3 9181 _003204_hash NULL
++_003205_hash isr_low_rssi_read 3 64789 _003205_hash NULL
++_003206_hash isr_pci_pm_read 3 30271 _003206_hash NULL
++_003207_hash isr_rx_headers_read 3 38325 _003207_hash NULL
++_003208_hash isr_rx_mem_overflow_read 3 43025 _003208_hash NULL
++_003209_hash isr_rx_procs_read 3 31804 _003209_hash NULL
++_003210_hash isr_rx_rdys_read 3 35283 _003210_hash NULL
++_003211_hash isr_tx_exch_complete_read 3 16103 _003211_hash NULL
++_003212_hash isr_tx_procs_read 3 23084 _003212_hash NULL
++_003213_hash isr_wakeups_read 3 49607 _003213_hash NULL
++_003214_hash LoadBitmap 2 19658 _003214_hash NULL
++_003215_hash mem_cgroup_read 5 22461 _003215_hash NULL
++_003216_hash mic_calc_failure_read 3 59700 _003216_hash NULL
++_003217_hash mic_rx_pkts_read 3 27972 _003217_hash NULL
++_003218_hash __module_alloc 1 50004 _003218_hash NULL
++_003219_hash module_alloc_update_bounds_rw 1 63233 _003219_hash NULL
++_003220_hash module_alloc_update_bounds_rx 1 58634 _003220_hash NULL
++_003221_hash mwifiex_usb_submit_rx_urb 2 54558 _003221_hash NULL
++_003222_hash nfc_hci_hcp_message_tx 6 14534 _003222_hash NULL
++_003223_hash nfc_hci_set_param 5 40697 _003223_hash NULL
++_003224_hash nfc_shdlc_alloc_skb 2 12741 _003224_hash NULL
++_003225_hash opera1_xilinx_rw 5 31453 _003225_hash NULL
++_003226_hash persistent_ram_vmap 1-2 709 _003226_hash NULL
++_003228_hash prctl_set_mm 3 64538 _003228_hash NULL
++_003229_hash probe_kernel_write 3 17481 _003229_hash NULL
++_003230_hash proc_fault_inject_read 3 36802 _003230_hash NULL
++_003231_hash proc_fault_inject_write 3 21058 _003231_hash NULL
++_003232_hash ps_pspoll_max_apturn_read 3 6699 _003232_hash NULL
++_003233_hash ps_pspoll_timeouts_read 3 11776 _003233_hash NULL
++_003234_hash ps_pspoll_utilization_read 3 5361 _003234_hash NULL
++_003235_hash ps_upsd_max_apturn_read 3 19918 _003235_hash NULL
++_003236_hash ps_upsd_max_sptime_read 3 63362 _003236_hash NULL
++_003237_hash ps_upsd_timeouts_read 3 28924 _003237_hash NULL
++_003238_hash ps_upsd_utilization_read 3 51669 _003238_hash NULL
++_003239_hash ptp_filter_init 2 36780 _003239_hash NULL
++_003240_hash pwr_disable_ps_read 3 13176 _003240_hash NULL
++_003241_hash pwr_elp_enter_read 3 5324 _003241_hash NULL
++_003242_hash pwr_enable_ps_read 3 17686 _003242_hash NULL
++_003243_hash pwr_fix_tsf_ps_read 3 26627 _003243_hash NULL
++_003244_hash pwr_missing_bcns_read 3 25824 _003244_hash NULL
++_003245_hash pwr_power_save_off_read 3 18355 _003245_hash NULL
++_003246_hash pwr_ps_enter_read 3 26935 _003246_hash &_000512_hash
++_003247_hash pwr_rcvd_awake_beacons_read 3 50505 _003247_hash NULL
++_003248_hash pwr_rcvd_beacons_read 3 52836 _003248_hash NULL
++_003249_hash pwr_tx_without_ps_read 3 48423 _003249_hash NULL
++_003250_hash pwr_tx_with_ps_read 3 60851 _003250_hash NULL
++_003251_hash pwr_wake_on_host_read 3 26321 _003251_hash NULL
++_003252_hash pwr_wake_on_timer_exp_read 3 22640 _003252_hash NULL
++_003253_hash rb_simple_read 3 45972 _003253_hash NULL
++_003254_hash read_file_dfs 3 43145 _003254_hash NULL
++_003255_hash retry_count_read 3 52129 _003255_hash NULL
++_003256_hash rx_dropped_read 3 44799 _003256_hash NULL
++_003257_hash rx_fcs_err_read 3 62844 _003257_hash NULL
++_003258_hash rx_hdr_overflow_read 3 64407 _003258_hash NULL
++_003259_hash rx_hw_stuck_read 3 57179 _003259_hash NULL
++_003260_hash rx_out_of_mem_read 3 10157 _003260_hash NULL
++_003261_hash rx_path_reset_read 3 23801 _003261_hash NULL
++_003262_hash rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read 3 55106 _003262_hash NULL
++_003263_hash rxpipe_descr_host_int_trig_rx_data_read 3 22001 _003263_hash &_002981_hash
++_003264_hash rxpipe_missed_beacon_host_int_trig_rx_data_read 3 63405 _003264_hash NULL
++_003265_hash rxpipe_rx_prep_beacon_drop_read 3 2403 _003265_hash NULL
++_003266_hash rxpipe_tx_xfr_host_int_trig_rx_data_read 3 35538 _003266_hash NULL
++_003267_hash rx_reset_counter_read 3 58001 _003267_hash NULL
++_003268_hash rx_xfr_hint_trig_read 3 40283 _003268_hash NULL
++_003269_hash saa7146_vmalloc_build_pgtable 2 19780 _003269_hash NULL
++_003270_hash sched_feat_write 3 55202 _003270_hash NULL
++_003271_hash sd_alloc_ctl_entry 1 29708 _003271_hash NULL
++_003272_hash shmem_pread_fast 3 34147 _003272_hash NULL
++_003273_hash shmem_pread_slow 3 3198 _003273_hash NULL
++_003274_hash shmem_pwrite_slow 3 31741 _003274_hash NULL
++_003275_hash show_header 3 4722 _003275_hash &_000745_hash
++_003276_hash stack_max_size_read 3 1445 _003276_hash NULL
++_003277_hash subsystem_filter_read 3 62310 _003277_hash NULL
++_003278_hash subsystem_filter_write 3 13022 _003278_hash NULL
++_003279_hash swap_cgroup_swapon 2 13614 _003279_hash NULL
++_003280_hash system_enable_read 3 25815 _003280_hash NULL
++_003281_hash tda10048_writeregbulk 4 11050 _003281_hash NULL
++_003282_hash tlbflush_read_file 3 64661 _003282_hash NULL
++_003283_hash trace_options_core_read 3 47390 _003283_hash NULL
++_003284_hash trace_options_read 3 11419 _003284_hash NULL
++_003285_hash trace_parser_get_init 2 31379 _003285_hash NULL
++_003286_hash traceprobe_probes_write 3 64969 _003286_hash NULL
++_003287_hash trace_seq_to_user 3 65398 _003287_hash NULL
++_003288_hash tracing_buffers_read 3 11124 _003288_hash NULL
++_003289_hash tracing_clock_write 3 27961 _003289_hash NULL
++_003290_hash tracing_cpumask_read 3 7010 _003290_hash NULL
++_003291_hash tracing_ctrl_read 3 46922 _003291_hash NULL
++_003292_hash tracing_entries_read 3 8345 _003292_hash NULL
++_003293_hash tracing_max_lat_read 3 8890 _003293_hash NULL
++_003294_hash tracing_read_dyn_info 3 45468 _003294_hash NULL
++_003295_hash tracing_readme_read 3 16493 _003295_hash NULL
++_003296_hash tracing_saved_cmdlines_read 3 21434 _003296_hash NULL
++_003297_hash tracing_set_trace_read 3 44122 _003297_hash NULL
++_003298_hash tracing_set_trace_write 3 57096 _003298_hash NULL
++_003299_hash tracing_stats_read 3 34537 _003299_hash NULL
++_003300_hash tracing_total_entries_read 3 62817 _003300_hash NULL
++_003301_hash tracing_trace_options_write 3 153 _003301_hash NULL
++_003302_hash tstats_write 3 60432 _003302_hash &_000009_hash
++_003303_hash ttm_bo_fbdev_io 4 9805 _003303_hash NULL
++_003304_hash ttm_bo_io 5 47000 _003304_hash NULL
++_003305_hash ttm_dma_page_pool_free 2 34135 _003305_hash NULL
++_003306_hash ttm_page_pool_free 2 61661 _003306_hash NULL
++_003307_hash ttusb2_msg 4 3100 _003307_hash NULL
++_003308_hash tx_internal_desc_overflow_read 3 47300 _003308_hash NULL
++_003309_hash tx_queue_len_read 3 1463 _003309_hash NULL
++_003310_hash tx_queue_status_read 3 44978 _003310_hash NULL
++_003311_hash u_memcpya 2-3 30139 _003311_hash NULL
++_003313_hash usb_allocate_stream_buffers 3 8964 _003313_hash NULL
++_003314_hash vifs_state_read 3 33762 _003314_hash NULL
++_003315_hash vmalloc_to_sg 2 58354 _003315_hash NULL
++_003316_hash vm_map_ram 2 23078 _003316_hash &_001095_hash
++_003317_hash vmw_execbuf_process 5 22885 _003317_hash NULL
++_003318_hash vmw_fifo_reserve 2 12141 _003318_hash NULL
++_003319_hash vmw_kms_present 9 38130 _003319_hash NULL
++_003320_hash vmw_kms_readback 6 5727 _003320_hash NULL
++_003321_hash wep_addr_key_count_read 3 20174 _003321_hash NULL
++_003322_hash wep_decrypt_fail_read 3 58567 _003322_hash NULL
++_003323_hash wep_default_key_count_read 3 43035 _003323_hash NULL
++_003324_hash wep_interrupt_read 3 41492 _003324_hash NULL
++_003325_hash wep_key_not_found_read 3 13377 _003325_hash &_000952_hash
++_003326_hash wep_packets_read 3 18751 _003326_hash NULL
++_003327_hash wl1251_cmd_template_set 4 6172 _003327_hash NULL
++_003328_hash wl1271_format_buffer 2 20834 _003328_hash NULL
++_003329_hash wl1271_rx_filter_alloc_field 5 46721 _003329_hash NULL
++_003330_hash wl12xx_cmd_build_probe_req 6-8 54946 _003330_hash NULL
++_003332_hash wlcore_alloc_hw 1 7785 _003332_hash NULL
++_003333_hash aggr_size_rx_size_read 3 33526 _003333_hash NULL
++_003334_hash aggr_size_tx_agg_vs_rate_read 3 21438 _003334_hash NULL
++_003335_hash alloc_and_copy_ftrace_hash 1 29368 _003335_hash NULL
++_003336_hash alloc_bulk_urbs_generic 5 12127 _003336_hash NULL
++_003337_hash alloc_ieee80211 1 20063 _003337_hash NULL
++_003338_hash alloc_ieee80211_rsl 1 34564 _003338_hash NULL
++_003339_hash alloc_perm_bits 2 1532 _003339_hash NULL
++_003340_hash alloc_private 2 22399 _003340_hash NULL
++_003341_hash alloc_rtllib 1 51136 _003341_hash NULL
++_003342_hash alloc_rx_desc_ring 2 18016 _003342_hash NULL
++_003343_hash arcfb_write 3 8702 _003343_hash NULL
++_003344_hash ath6kl_usb_bmi_read 3 48745 _003344_hash NULL
++_003345_hash ath6kl_usb_bmi_write 3 2454 _003345_hash &_001020_hash
++_003346_hash ath6kl_usb_ctrl_msg_exchange 4 33327 _003346_hash NULL
++_003347_hash au0828_init_isoc 2-3 61917 _003347_hash NULL
++_003349_hash auok190xfb_write 3 37001 _003349_hash NULL
++_003350_hash beacon_interval_read 3 7091 _003350_hash NULL
++_003351_hash brcmf_usb_attach 1-2 44656 _003351_hash NULL
++_003353_hash broadsheetfb_write 3 39976 _003353_hash NULL
++_003354_hash broadsheet_spiflash_rewrite_sector 2 54864 _003354_hash NULL
++_003355_hash ci13xxx_add_device 3 14456 _003355_hash NULL
++_003356_hash cmpk_message_handle_tx 4 54024 _003356_hash NULL
++_003357_hash comedi_alloc_subdevices 2 29207 _003357_hash NULL
++_003358_hash comedi_buf_alloc 3 24822 _003358_hash NULL
++_003359_hash comedi_read 3 13199 _003359_hash NULL
++_003360_hash comedi_write 3 47926 _003360_hash NULL
++_003361_hash create_trace_probe 1 20175 _003361_hash NULL
++_003362_hash create_trace_uprobe 1 13184 _003362_hash NULL
++_003363_hash cx18_copy_buf_to_user 4 22735 _003363_hash NULL
++_003364_hash cx231xx_init_bulk 2-3 47024 _003364_hash NULL
++_003366_hash cx231xx_init_isoc 2-3 56453 _003366_hash NULL
++_003368_hash cx231xx_init_vbi_isoc 2-3 28053 _003368_hash NULL
++_003370_hash da9052_group_write 3 4534 _003370_hash NULL
++_003371_hash debug_debug1_read 3 8856 _003371_hash NULL
++_003372_hash debug_debug2_read 3 30526 _003372_hash NULL
++_003373_hash debug_debug3_read 3 56894 _003373_hash NULL
++_003374_hash debug_debug4_read 3 61367 _003374_hash NULL
++_003375_hash debug_debug5_read 3 2291 _003375_hash NULL
++_003376_hash debug_debug6_read 3 33168 _003376_hash NULL
++_003377_hash dev_read 3 56369 _003377_hash NULL
++_003378_hash do_dmabuf_dirty_ldu 6 52241 _003378_hash NULL
++_003379_hash drm_compat_ioctl 2 51717 _003379_hash NULL
++_003380_hash drm_mode_create_tv_properties 2 23122 _003380_hash NULL
++_003381_hash drm_property_create_bitmask 5 30195 _003381_hash NULL
++_003382_hash drm_property_create_enum 5 29201 _003382_hash NULL
++_003383_hash dsp_buffer_alloc 2 11684 _003383_hash NULL
++_003384_hash dt3155_alloc_coherent 2 58073 _003384_hash NULL
++_003385_hash dtim_interval_read 3 654 _003385_hash NULL
++_003386_hash dvb_audio_write 3 51275 _003386_hash NULL
++_003387_hash dvb_ca_en50221_io_ioctl 2 26490 _003387_hash NULL
++_003388_hash dvb_ca_write 3 41171 _003388_hash NULL
++_003389_hash dvb_demux_ioctl 2 42733 _003389_hash NULL
++_003390_hash dvb_dmxdev_buffer_read 4 20682 _003390_hash NULL
++_003391_hash dvb_dvr_ioctl 2 49182 _003391_hash NULL
++_003392_hash dvb_generic_ioctl 2 21810 _003392_hash NULL
++_003393_hash dvb_net_ioctl 2 61559 _003393_hash NULL
++_003394_hash dvb_net_sec_callback 2 28786 _003394_hash NULL
++_003396_hash dvb_video_write 3 754 _003396_hash NULL
++_003397_hash dynamic_ps_timeout_read 3 10110 _003397_hash NULL
++_003398_hash easycap_alsa_vmalloc 2 14426 _003398_hash NULL
++_003399_hash em28xx_alloc_isoc 4 46892 _003399_hash NULL
++_003400_hash error_error_bar_retry_read 3 64305 _003400_hash NULL
++_003401_hash error_error_frame_cts_nul_flid_read 3 17262 _003401_hash NULL
++_003402_hash error_error_frame_read 3 39947 _003402_hash &_002436_hash
++_003403_hash error_error_null_Frame_tx_start_read 3 55024 _003403_hash NULL
++_003404_hash error_error_numll_frame_cts_start_read 3 47781 _003404_hash NULL
++_003405_hash ext_sd_execute_read_data 9 48589 _003405_hash NULL
++_003406_hash ext_sd_execute_write_data 9 8175 _003406_hash NULL
++_003407_hash fast_user_write 5 20494 _003407_hash NULL
++_003408_hash f_audio_buffer_alloc 1 41110 _003408_hash NULL
++_003409_hash fb_alloc_cmap_gfp 2 20792 _003409_hash NULL
++_003410_hash fbcon_do_set_font 2-3 4079 _003410_hash NULL
++_003412_hash fb_read 3 33506 _003412_hash NULL
++_003413_hash fb_sys_read 3 13778 _003413_hash NULL
++_003414_hash fb_sys_write 3 33130 _003414_hash NULL
++_003415_hash fb_write 3 46924 _003415_hash NULL
++_003416_hash firmwareUpload 3 32794 _003416_hash NULL
++_003417_hash fmc_send_cmd 5 20435 _003417_hash NULL
++_003418_hash fops_read 3 40672 _003418_hash NULL
++_003419_hash forced_ps_read 3 31685 _003419_hash NULL
++_003420_hash frame_alloc 4 15981 _003420_hash NULL
++_003421_hash framebuffer_alloc 1 59145 _003421_hash NULL
++_003422_hash ftrace_write 3 29551 _003422_hash NULL
++_003423_hash fw_download_code 3 13249 _003423_hash NULL
++_003424_hash fwSendNullPacket 2 54618 _003424_hash NULL
++_003425_hash gdm_wimax_netif_rx 3 43423 _003425_hash &_001810_hash
++_003426_hash get_vm_area 1 18080 _003426_hash NULL
++_003427_hash __get_vm_area 1 61599 _003427_hash NULL
++_003428_hash get_vm_area_caller 1 10527 _003428_hash NULL
++_003429_hash __get_vm_area_caller 1 56416 _003828_hash NULL nohasharray
++_003430_hash gspca_dev_probe2 4 59833 _003430_hash NULL
++_003431_hash hdpvr_read 3 9273 _003431_hash NULL
++_003432_hash hecubafb_write 3 26942 _003432_hash NULL
++_003433_hash i915_compat_ioctl 2 3656 _003433_hash NULL
++_003434_hash i915_gem_execbuffer_relocate_slow 7 25355 _003434_hash NULL
++_003435_hash ieee80211_alloc_txb 1-2 52477 _003435_hash NULL
++_003437_hash ieee80211_authentication_req 3 63973 _003437_hash NULL
++_003438_hash ieee80211_wx_set_gen_ie 3 51399 _003438_hash NULL
++_003439_hash ieee80211_wx_set_gen_ie_rsl 3 3521 _003458_hash NULL nohasharray
++_003440_hash intel_sdvo_set_value 4 2311 _003440_hash NULL
++_003441_hash ir_lirc_transmit_ir 3 64403 _003441_hash NULL
++_003442_hash irq_blk_threshold_read 3 33666 _003442_hash NULL
++_003443_hash irq_pkt_threshold_read 3 33356 _003443_hash &_000154_hash
++_003444_hash irq_timeout_read 3 54653 _003444_hash NULL
++_003445_hash ivtv_buf_copy_from_user 4 25502 _003445_hash NULL
++_003446_hash ivtv_copy_buf_to_user 4 6159 _003446_hash NULL
++_003447_hash ivtvfb_write 3 40023 _003447_hash NULL
++_003448_hash kgdb_hex2mem 3 24755 _003448_hash NULL
++_003449_hash lirc_buffer_init 2-3 53282 _003449_hash NULL
++_003451_hash lirc_write 3 20604 _003451_hash NULL
++_003452_hash mce_request_packet 3 1073 _003452_hash NULL
++_003453_hash media_entity_init 2-4 15870 _003453_hash &_001742_hash
++_003455_hash mem_fw_gen_free_mem_blks_read 3 11413 _003455_hash NULL
++_003456_hash mem_fwlog_free_mem_blks_read 3 59616 _003456_hash NULL
++_003457_hash mem_rx_free_mem_blks_read 3 675 _003457_hash NULL
++_003458_hash mem_tx_free_mem_blks_read 3 3521 _003458_hash &_003439_hash
++_003459_hash metronomefb_write 3 8823 _003459_hash NULL
++_003460_hash mga_compat_ioctl 2 52170 _003460_hash NULL
++_003461_hash mmio_read 4 40348 _003461_hash NULL
++_003462_hash netlink_send 5 38434 _003462_hash NULL
++_003463_hash nfc_hci_execute_cmd 5 43882 _003463_hash NULL
++_003464_hash nfc_hci_send_event 5 21452 _003464_hash NULL
++_003465_hash nfc_hci_send_response 5 56462 _003465_hash NULL
++_003466_hash ni_gpct_device_construct 5 610 _003466_hash NULL
++_003467_hash nouveau_compat_ioctl 2 28305 _003467_hash NULL
++_003468_hash odev_update 2 50169 _003468_hash NULL
++_003469_hash opera1_usb_i2c_msgxfer 4 64521 _003469_hash NULL
++_003470_hash OSDSetBlock 2-4 38986 _003470_hash NULL
++_003472_hash oz_add_farewell 5 20652 _003472_hash NULL
++_003473_hash oz_cdev_read 3 20659 _003473_hash NULL
++_003474_hash oz_cdev_write 3 33852 _003474_hash NULL
++_003475_hash oz_ep_alloc 2 5587 _003475_hash NULL
++_003476_hash oz_events_read 3 47535 _003476_hash NULL
++_003477_hash persistent_ram_buffer_map 1-2 11332 _003477_hash NULL
++_003479_hash pipeline_cs_rx_packet_in_read 3 37089 _003479_hash NULL
++_003480_hash pipeline_cs_rx_packet_out_read 3 58926 _003480_hash NULL
++_003481_hash pipeline_csum_to_rx_xfer_swi_read 3 15403 _003481_hash NULL
++_003482_hash pipeline_dec_packet_in_fifo_full_read 3 33052 _003482_hash NULL
++_003483_hash pipeline_dec_packet_in_read 3 47076 _003483_hash NULL
++_003484_hash pipeline_dec_packet_out_read 3 54052 _003484_hash NULL
++_003485_hash pipeline_defrag_to_csum_swi_read 3 63037 _003485_hash NULL
++_003486_hash pipeline_enc_rx_stat_fifo_int_read 3 7107 _003486_hash NULL
++_003487_hash pipeline_enc_tx_stat_fifo_int_read 3 14680 _003487_hash NULL
++_003488_hash pipeline_hs_tx_stat_fifo_int_read 3 15642 _003488_hash &_001260_hash
++_003489_hash pipeline_pipeline_fifo_full_read 3 34095 _003489_hash NULL
++_003490_hash pipeline_post_proc_swi_read 3 24108 _003490_hash NULL
++_003491_hash pipeline_pre_proc_swi_read 3 3898 _003491_hash NULL
++_003492_hash pipeline_pre_to_defrag_swi_read 3 56321 _003492_hash NULL
++_003493_hash pipeline_rx_complete_stat_fifo_int_read 3 40671 _003493_hash NULL
++_003494_hash pipeline_sec_frag_swi_read 3 30294 _003494_hash NULL
++_003495_hash pipeline_tcp_rx_stat_fifo_int_read 3 26745 _003495_hash NULL
++_003496_hash pipeline_tcp_tx_stat_fifo_int_read 3 32589 _003496_hash NULL
++_003497_hash play_iframe 3 8219 _003497_hash NULL
++_003498_hash probes_write 3 29711 _003498_hash NULL
++_003499_hash psb_unlocked_ioctl 2 16926 _003499_hash &_002668_hash
++_003500_hash ps_poll_ps_poll_max_ap_turn_read 3 53140 _003500_hash NULL
++_003501_hash ps_poll_ps_poll_timeouts_read 3 5934 _003501_hash NULL
++_003502_hash ps_poll_ps_poll_utilization_read 3 39383 _003502_hash NULL
++_003503_hash ps_poll_upsd_max_ap_turn_read 3 42050 _003503_hash NULL
++_003504_hash ps_poll_upsd_timeouts_read 3 36755 _003504_hash NULL
++_003505_hash ps_poll_upsd_utilization_read 3 28519 _003505_hash NULL
++_003506_hash pvr2_ioread_read 3 10720 _003506_hash &_001669_hash
++_003507_hash pvr2_ioread_set_sync_key 3 59882 _003507_hash NULL
++_003508_hash pvr2_stream_buffer_count 2 33719 _003508_hash NULL
++_003509_hash pwr_connection_out_of_sync_read 3 35061 _003509_hash NULL
++_003510_hash pwr_cont_miss_bcns_spread_read 3 39250 _003515_hash NULL nohasharray
++_003511_hash pwr_missing_bcns_cnt_read 3 45113 _003511_hash NULL
++_003512_hash pwr_rcvd_awake_bcns_cnt_read 3 12632 _003512_hash NULL
++_003513_hash pwr_rcvd_bcns_cnt_read 3 4774 _003513_hash NULL
++_003514_hash qc_capture 3 19298 _003514_hash NULL
++_003515_hash r128_compat_ioctl 2 39250 _003515_hash &_003510_hash
++_003516_hash radeon_compat_ioctl 2 59150 _003516_hash NULL
++_003517_hash radeon_kms_compat_ioctl 2 51371 _003517_hash NULL
++_003518_hash Realloc 2 34961 _003518_hash NULL
++_003519_hash redrat3_transmit_ir 3 64244 _003519_hash NULL
++_003520_hash reg_w_buf 3 27724 _003520_hash NULL
++_003521_hash reg_w_ixbuf 4 34736 _003521_hash NULL
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++_003524_hash rtllib_authentication_req 3 26713 _003524_hash NULL
++_003525_hash rtllib_wx_set_gen_ie 3 59808 _003525_hash NULL
++_003526_hash rts51x_transfer_data_partial 6 5735 _003526_hash NULL
++_003527_hash rvmalloc 1 46873 _003527_hash NULL
++_003528_hash rx_decrypt_key_not_found_read 3 37820 _003528_hash NULL
++_003529_hash rx_defrag_called_read 3 1897 _003529_hash NULL
++_003530_hash rx_defrag_decrypt_failed_read 3 41411 _003530_hash NULL
++_003531_hash rx_defrag_init_called_read 3 35935 _003531_hash NULL
++_003532_hash rx_defrag_in_process_called_read 3 59338 _003532_hash NULL
++_003533_hash rx_defrag_need_decrypt_read 3 42253 _003533_hash NULL
++_003534_hash rx_defrag_need_defrag_read 3 28117 _003534_hash NULL
++_003535_hash rx_defrag_tkip_called_read 3 21031 _003535_hash NULL
++_003536_hash rx_filter_accum_arp_pend_requests_read 3 11003 _003536_hash NULL
++_003537_hash rx_filter_arp_filter_read 3 61914 _003537_hash NULL
++_003538_hash rx_filter_beacon_filter_read 3 49279 _003538_hash NULL
++_003539_hash rx_filter_data_filter_read 3 30098 _003539_hash NULL
++_003540_hash rx_filter_dup_filter_read 3 37238 _003540_hash NULL
++_003541_hash rx_filter_ibss_filter_read 3 50167 _003541_hash NULL
++_003542_hash rx_filter_max_arp_queue_dep_read 3 5851 _003542_hash NULL
++_003543_hash rx_filter_mc_filter_read 3 25712 _003543_hash NULL
++_003544_hash rx_filter_protection_filter_read 3 39282 _003544_hash NULL
++_003545_hash rx_rate_rx_frames_per_rates_read 3 7282 _003545_hash NULL
++_003546_hash rx_rx_beacon_early_term_read 3 21559 _003546_hash NULL
++_003547_hash rx_rx_checksum_result_read 3 50617 _003547_hash NULL
++_003548_hash rx_rx_cmplt_read 3 14753 _003548_hash NULL
++_003549_hash rx_rx_cmplt_task_read 3 35226 _003549_hash NULL
++_003550_hash rx_rx_defrag_end_read 3 505 _003550_hash NULL
++_003551_hash rx_rx_defrag_read 3 2010 _003551_hash NULL
++_003552_hash rx_rx_done_read 3 65217 _003552_hash NULL
++_003553_hash rx_rx_dropped_frame_read 3 23748 _003553_hash NULL
++_003554_hash rx_rx_frame_checksum_read 3 40140 _003554_hash NULL
++_003555_hash rx_rx_hdr_overflow_read 3 35002 _003555_hash NULL
++_003556_hash rx_rx_out_of_mpdu_nodes_read 3 64668 _003556_hash NULL
++_003557_hash rx_rx_phy_hdr_read 3 20950 _003557_hash NULL
++_003558_hash rx_rx_pre_complt_read 3 41653 _003558_hash NULL
++_003559_hash rx_rx_timeout_read 3 62389 _003559_hash NULL
++_003560_hash rx_rx_timeout_wa_read 3 50204 _003560_hash NULL
++_003561_hash rx_rx_tkip_replays_read 3 60193 _003561_hash NULL
++_003562_hash rx_rx_wa_ba_not_expected_read 3 61341 _003562_hash NULL
++_003563_hash rx_rx_wa_density_dropped_frame_read 3 26095 _003563_hash NULL
++_003564_hash rx_streaming_always_read 3 49401 _003564_hash NULL
++_003565_hash rx_streaming_interval_read 3 55291 _003565_hash NULL
++_003566_hash saa7164_buffer_alloc_user 2 9627 _003566_hash NULL
++_003567_hash send_control_msg 6 48498 _003567_hash NULL
++_003568_hash SendTxCommandPacket 3 42901 _003568_hash NULL
++_003569_hash setup_window 2-7-5-4 59178 _003569_hash NULL
++_003573_hash shmem_pwrite_fast 3 46842 _003573_hash NULL
++_003574_hash sleep_auth_read 3 19159 _003574_hash NULL
++_003575_hash sn9c102_read 3 29305 _003575_hash NULL
++_003576_hash snd_pcm_alloc_vmalloc_buffer 2 44595 _003576_hash NULL
++_003577_hash split_scan_timeout_read 3 20029 _003577_hash NULL
++_003578_hash stk_prepare_sio_buffers 2 57168 _003578_hash NULL
++_003579_hash store_debug_level 3 35652 _003579_hash NULL
++_003580_hash suspend_dtim_interval_read 3 64971 _003580_hash NULL
++_003581_hash sys_prctl 4 8766 _003581_hash NULL
++_003582_hash tm6000_read_write_usb 7 50774 _003582_hash &_002149_hash
++_003583_hash tracing_read_pipe 3 35312 _003583_hash NULL
++_003584_hash ts_read 3 44687 _003584_hash NULL
++_003585_hash ts_write 3 64336 _003585_hash NULL
++_003586_hash tt3650_ci_msg 4 57219 _003586_hash NULL
++_003587_hash ttm_object_device_init 2 10321 _003587_hash NULL
++_003588_hash ttm_object_file_init 2 27804 _003588_hash NULL
++_003589_hash tx_frag_bad_mblk_num_read 3 28064 _003589_hash NULL
++_003590_hash tx_frag_cache_hit_read 3 29639 _003590_hash NULL
++_003591_hash tx_frag_cache_miss_read 3 28394 _003591_hash NULL
++_003592_hash tx_frag_called_read 3 1748 _003592_hash NULL
++_003593_hash tx_frag_failed_read 3 43540 _003593_hash NULL
++_003594_hash tx_frag_init_called_read 3 48377 _003594_hash NULL
++_003595_hash tx_frag_in_process_called_read 3 1290 _003595_hash NULL
++_003596_hash tx_frag_key_not_found_read 3 22971 _003596_hash NULL
++_003597_hash tx_frag_mpdu_alloc_failed_read 3 41167 _003597_hash NULL
++_003598_hash tx_frag_need_fragmentation_read 3 50153 _003598_hash NULL
++_003599_hash tx_frag_tkip_called_read 3 31575 _003599_hash NULL
++_003600_hash tx_tx_burst_programmed_read 3 20320 _003600_hash NULL
++_003601_hash tx_tx_checksum_result_read 3 36490 _003601_hash &_001996_hash
++_003602_hash tx_tx_cmplt_read 3 35854 _003602_hash NULL
++_003603_hash tx_tx_data_prepared_read 3 43497 _003603_hash NULL
++_003604_hash tx_tx_data_programmed_read 3 36871 _003604_hash NULL
++_003605_hash tx_tx_done_data_read 3 6799 _003605_hash NULL
++_003606_hash tx_tx_done_int_template_read 3 55511 _003606_hash &_001887_hash
++_003607_hash tx_tx_done_template_read 3 35104 _003607_hash &_000106_hash
++_003608_hash tx_tx_exch_expiry_read 3 8749 _003608_hash NULL
++_003609_hash tx_tx_exch_pending_read 3 53018 _003609_hash NULL
++_003610_hash tx_tx_exch_read 3 52986 _003610_hash NULL
++_003611_hash tx_tx_frame_checksum_read 3 41553 _003611_hash NULL
++_003612_hash tx_tx_imm_resp_read 3 55964 _003612_hash NULL
++_003613_hash tx_tx_prepared_descs_read 3 9221 _003613_hash NULL
++_003614_hash tx_tx_retry_data_read 3 1926 _003614_hash NULL
++_003615_hash tx_tx_retry_template_read 3 57623 _003615_hash NULL
++_003616_hash tx_tx_start_data_read 3 53219 _003616_hash NULL
++_003617_hash tx_tx_start_fw_gen_read 3 58648 _003617_hash NULL
++_003618_hash tx_tx_start_int_templates_read 3 58324 _003618_hash NULL
++_003619_hash tx_tx_start_null_frame_read 3 6281 _003619_hash NULL
++_003620_hash tx_tx_starts_read 3 3617 _003620_hash NULL
++_003621_hash tx_tx_start_templates_read 3 17164 _003621_hash NULL
++_003622_hash tx_tx_template_prepared_read 3 30424 _003622_hash NULL
++_003623_hash tx_tx_template_programmed_read 3 30461 _003623_hash NULL
++_003624_hash udi_log_event 3 58105 _003624_hash NULL
++_003625_hash udl_prime_create 2 57159 _003625_hash NULL
++_003626_hash uf_create_device_nodes 2 24948 _003626_hash NULL
++_003627_hash uf_sme_queue_message 3 15697 _003627_hash NULL
++_003628_hash ufx_alloc_urb_list 3 10349 _003628_hash NULL
++_003629_hash unifi_net_data_malloc 3 24716 _003629_hash NULL
++_003630_hash unifi_read 3 14899 _003630_hash NULL
++_003631_hash unifi_write 3 65012 _003631_hash NULL
++_003632_hash usb_buffer_alloc 2 36276 _003632_hash NULL
++_003633_hash usbvision_rvmalloc 1 19655 _003633_hash NULL
++_003634_hash usbvision_v4l2_read 3 34386 _003634_hash NULL
++_003635_hash uvc_alloc_buffers 2-3 9656 _003635_hash NULL
++_003637_hash uvc_alloc_entity 3-4 20836 _003637_hash NULL
++_003639_hash uvc_debugfs_stats_read 3 56651 _003639_hash NULL
++_003640_hash uvc_simplify_fraction 3 31303 _003640_hash NULL
++_003641_hash v4l2_ctrl_new 7 24927 _003641_hash NULL
++_003642_hash v4l2_event_subscribe 3 53687 _003642_hash NULL
++_003643_hash v4l_stk_read 3 39672 _003643_hash NULL
++_003644_hash __vb2_perform_fileio 3 63033 _003644_hash NULL
++_003645_hash vfd_write 3 14717 _003645_hash NULL
++_003646_hash vfio_config_do_rw 3 46091 _003646_hash NULL
++_003647_hash vfio_msi_enable 2 20906 _003647_hash NULL
++_003648_hash viafb_dvp0_proc_write 3 23023 _003648_hash NULL
++_003649_hash viafb_dvp1_proc_write 3 48864 _003649_hash NULL
++_003650_hash viafb_vt1636_proc_write 3 16018 _003650_hash NULL
++_003651_hash __videobuf_alloc_vb 1 27062 _003651_hash NULL
++_003652_hash __videobuf_alloc_vb 1 5665 _003652_hash NULL
++_003653_hash __videobuf_copy_to_user 4 15423 _003653_hash NULL
++_003654_hash videobuf_dma_init_kernel 3 6963 _003654_hash NULL
++_003655_hash videobuf_pages_to_sg 2 3708 _003655_hash NULL
++_003656_hash videobuf_vmalloc_to_sg 2 4548 _003656_hash NULL
++_003657_hash video_usercopy 2 62151 _003657_hash NULL
++_003658_hash virtscsi_alloc_tgt 2 6643 _003658_hash NULL
++_003659_hash vmw_cursor_update_image 3-4 16332 _003659_hash NULL
++_003661_hash vmw_framebuffer_dmabuf_dirty 6 37661 _003661_hash &_001116_hash
++_003662_hash vmw_framebuffer_surface_dirty 6 48132 _003662_hash NULL
++_003663_hash vmw_gmr2_bind 3 21305 _003663_hash NULL
++_003664_hash vmw_unlocked_ioctl 2 19212 _003664_hash NULL
++_003665_hash w9966_v4l_read 3 31148 _003665_hash NULL
++_003666_hash wl1273_fm_fops_write 3 60621 _003666_hash NULL
++_003667_hash zoran_write 3 22404 _003667_hash NULL
++_003668_hash alloc_vm_area 1 15989 _003668_hash NULL
++_003669_hash cx18_copy_mdl_to_user 4 45549 _003669_hash NULL
++_003670_hash dlfb_ops_write 3 64150 _003670_hash NULL
++_003671_hash dvb_demux_read 3 13981 _003671_hash NULL
++_003672_hash dvb_dmxdev_read_sec 4 7892 _003672_hash NULL
++_003673_hash dvb_dvr_read 3 17073 _003673_hash NULL
++_003674_hash em28xx_init_isoc 4 62883 _003674_hash &_000729_hash
++_003675_hash fb_alloc_cmap 2 6554 _003675_hash NULL
++_003676_hash gspca_dev_probe 4 2570 _003676_hash NULL
++_003677_hash ieee80211_auth_challenge 3 18810 _003677_hash NULL
++_003678_hash ieee80211_rtl_auth_challenge 3 61897 _003678_hash NULL
++_003679_hash init_pci_cap_msi_perm 2 59033 _003679_hash NULL
++_003680_hash __ioremap_caller 1-2 21800 _003680_hash NULL
++_003682_hash ivtv_read 3 57796 _003682_hash NULL
++_003683_hash ivtv_v4l2_write 3 39226 _003683_hash NULL
++_003684_hash mce_async_out 3 58056 _003684_hash NULL
++_003685_hash mce_flush_rx_buffer 2 14976 _003685_hash NULL
++_003686_hash ms_read_multiple_pages 4-5 8052 _003686_hash NULL
++_003688_hash ms_write_multiple_pages 5-6 10362 _003688_hash NULL
++_003690_hash nfc_hci_send_cmd 5 55714 _003690_hash NULL
++_003691_hash persistent_ram_new 1-2 40501 _003691_hash NULL
++_003693_hash picolcd_fb_write 3 2318 _003693_hash NULL
++_003694_hash process_bulk_data_command 4 38906 _003694_hash NULL
++_003695_hash pvr2_v4l2_read 3 18006 _003695_hash NULL
++_003696_hash qcam_read 3 13977 _003696_hash NULL
++_003697_hash register_unifi_sdio 2 55239 _003697_hash NULL
++_003698_hash resize_async_buffer 4 64031 _003698_hash &_002431_hash
++_003699_hash rtllib_auth_challenge 3 12493 _003699_hash NULL
++_003702_hash stk_allocate_buffers 2 16291 _003702_hash NULL
++_003703_hash subdev_ioctl 2 28417 _003703_hash NULL
++_003704_hash _sys_packet_req 4 46793 _003704_hash NULL
++_003705_hash tm6000_i2c_recv_regs16 5 2949 _003705_hash NULL
++_003706_hash tm6000_i2c_recv_regs 5 46215 _003706_hash NULL
++_003707_hash tm6000_i2c_send_regs 5 20250 _003707_hash NULL
++_003708_hash tt3650_ci_msg_locked 4 8013 _003708_hash NULL
++_003709_hash ufx_ops_write 3 54848 _003709_hash NULL
++_003710_hash update_macheader 7 1775 _003710_hash NULL
++_003711_hash usbdux_attach_common 4 51764 _003750_hash NULL nohasharray
++_003712_hash usbduxfast_attach_common 4 52538 _003712_hash NULL
++_003713_hash usbduxsigma_attach_common 4 40847 _003713_hash NULL
++_003714_hash uvc_v4l2_ioctl 2 8411 _003714_hash NULL
++_003715_hash v4l2_ctrl_new_int_menu 4 41151 _003715_hash NULL
++_003716_hash v4l2_ctrl_new_std 5 45748 _003716_hash &_000497_hash
++_003717_hash v4l2_ctrl_new_std_menu 4 6221 _003717_hash NULL
++_003718_hash vb2_read 3 42703 _003718_hash NULL
++_003719_hash vb2_write 3 31948 _003719_hash NULL
++_003720_hash vfio_pci_set_msi_trigger 3-4 26507 _003720_hash NULL
++_003722_hash viafb_iga1_odev_proc_write 3 36241 _003722_hash NULL
++_003723_hash viafb_iga2_odev_proc_write 3 2363 _003723_hash NULL
++_003724_hash __videobuf_alloc_cached 1 12740 _003724_hash NULL
++_003725_hash __videobuf_alloc_uncached 1 55711 _003725_hash NULL
++_003726_hash __videobuf_copy_stream 4 44769 _003726_hash NULL
++_003727_hash videobuf_read_one 3 31637 _003727_hash NULL
++_003728_hash video_ioctl2 2 21380 _003728_hash NULL
++_003729_hash vmap 2 15025 _003729_hash NULL
++_003730_hash vmw_cursor_update_dmabuf 3-4 32045 _003730_hash NULL
++_003732_hash vmw_gmr_bind 3 44130 _003732_hash NULL
++_003733_hash xd_read_multiple_pages 4-5 11422 _003733_hash NULL
++_003735_hash xd_write_multiple_pages 5-6 53633 _003735_hash NULL
++_003737_hash xenfb_write 3 43412 _003737_hash NULL
++_003738_hash arch_gnttab_map_shared 3 41306 _003738_hash NULL
++_003739_hash arch_gnttab_map_status 3 49812 _003739_hash NULL
++_003740_hash bttv_read 3 11432 _003740_hash NULL
++_003741_hash cx18_read 3 23699 _003741_hash NULL
++_003742_hash cx2341x_ctrl_new_menu 3 49700 _003742_hash NULL
++_003743_hash cx2341x_ctrl_new_std 4 57061 _003743_hash NULL
++_003744_hash cx25821_video_ioctl 2 30188 _003744_hash NULL
++_003745_hash dt3155_read 3 59226 _003745_hash NULL
++_003746_hash ioremap_cache 1-2 47189 _003746_hash NULL
++_003748_hash ioremap_nocache 1-2 2439 _003748_hash NULL
++_003750_hash ioremap_prot 1-2 51764 _003750_hash &_003711_hash
++_003752_hash ioremap_wc 1-2 62695 _003752_hash NULL
++_003754_hash ivtv_read_pos 3 34400 _003754_hash &_000312_hash
++_003755_hash mcam_v4l_read 3 36513 _003755_hash NULL
++_003756_hash ms_rw_multi_sector 3-4 7459 _003756_hash NULL
++_003758_hash pvr2_v4l2_ioctl 2 24398 _003758_hash &_000877_hash
++_003759_hash ramoops_init_prz 5 12134 _003759_hash NULL
++_003761_hash ttm_bo_kmap_ttm 3 5922 _003761_hash NULL
++_003762_hash uf_ap_process_data_pdu 7 25860 _003762_hash NULL
++_003763_hash vb2_fop_read 3 24080 _003763_hash NULL
++_003764_hash vb2_fop_write 3 30420 _003764_hash NULL
++_003765_hash videobuf_read_stream 3 14956 _003765_hash NULL
++_003766_hash video_read 3 28148 _003766_hash NULL
++_003767_hash vmw_du_crtc_cursor_set 4-5 28479 _003767_hash NULL
++_003769_hash xd_rw 3-4 49020 _003769_hash NULL
++_003771_hash zoran_ioctl 2 30465 _003771_hash NULL
++_003772_hash zr364xx_read 3 2354 _003772_hash NULL
++_003773_hash acpi_os_ioremap 1-2 49523 _003773_hash NULL
++_003775_hash au0828_v4l2_read 3 40220 _003775_hash NULL
++_003776_hash ca91cx42_alloc_resource 2 10502 _003776_hash NULL
++_003778_hash cx18_read_pos 3 4683 _003778_hash NULL
++_003779_hash cx18_v4l2_read 3 21196 _003779_hash NULL
++_003780_hash cx231xx_v4l2_read 3 55014 _003780_hash NULL
++_003781_hash devm_ioremap_nocache 2-3 2036 _003781_hash NULL
++_003783_hash do_test 1 15766 _003783_hash NULL
++_003784_hash __einj_error_trigger 1 17707 _003784_hash &_001764_hash
++_003785_hash em28xx_v4l2_read 3 16701 _003785_hash NULL
++_003786_hash init_chip_wc_pat 2 62768 _003786_hash NULL
++_003787_hash intel_render_ring_init_dri 2-3 45446 _003787_hash NULL
++_003789_hash io_mapping_create_wc 1-2 1354 _003789_hash NULL
++_003791_hash iommu_map_mmio_space 1 30919 _003791_hash NULL
++_003792_hash ioremap 1-2 23172 _003792_hash NULL
++_003794_hash ivtv_v4l2_read 3 1964 _003794_hash NULL
++_003795_hash mga_ioremap 1-2 8571 _003795_hash NULL
++_003797_hash mpeg_read 3 6708 _003797_hash NULL
++_003798_hash msix_map_region 3 3411 _003798_hash NULL
++_003799_hash ms_rw 3-4 17220 _003799_hash NULL
++_003801_hash pci_iomap 3 47575 _003801_hash NULL
++_003802_hash pd_video_read 3 24510 _003802_hash NULL
++_003803_hash sfi_map_memory 1-2 5183 _003803_hash NULL
++_003805_hash solo_enc_read 3 33553 _003805_hash NULL
++_003806_hash solo_v4l2_read 3 59247 _003806_hash NULL
++_003807_hash timblogiw_read 3 48305 _003807_hash NULL
++_003808_hash tm6000_read 3 4151 _003808_hash NULL
++_003809_hash tsi148_alloc_resource 2 24563 _003809_hash NULL
++_003810_hash ttm_bo_ioremap 2-3 31082 _003810_hash NULL
++_003812_hash ttm_bo_kmap 3-2 60118 _003812_hash NULL
++_003813_hash vb2_vmalloc_get_userptr 3 31374 _003813_hash NULL
++_003814_hash vbi_read 3 63673 _003814_hash NULL
++_003815_hash viacam_read 3 54526 _003815_hash NULL
++_003816_hash xlate_dev_mem_ptr 1 15291 _003816_hash &_001231_hash
++_003817_hash a4t_cs_init 3 27734 _003817_hash NULL
++_003818_hash aac_nark_ioremap 2 50163 _003818_hash &_000323_hash
++_003819_hash aac_rkt_ioremap 2 3333 _003819_hash NULL
++_003820_hash aac_rx_ioremap 2 52410 _003820_hash NULL
++_003821_hash aac_sa_ioremap 2 13596 _003821_hash &_000299_hash
++_003822_hash aac_src_ioremap 2 41688 _003822_hash NULL
++_003823_hash aac_srcv_ioremap 2 6659 _003823_hash NULL
++_003824_hash acpi_map 1-2 58725 _003824_hash NULL
++_003826_hash acpi_os_read_memory 1-3 54186 _003826_hash NULL
++_003828_hash acpi_os_write_memory 1-3 56416 _003828_hash &_003429_hash
++_003830_hash atyfb_setup_generic 3 49151 _003830_hash NULL
++_003831_hash ca91cx42_master_set 4 23146 _003831_hash NULL
++_003832_hash check_mirror 1-2 57342 _003832_hash &_001753_hash
++_003834_hash cycx_setup 4 47562 _003834_hash NULL
++_003835_hash devm_ioremap 2-3 29235 _003835_hash NULL
++_003837_hash divasa_remap_pci_bar 3-4 23485 _003837_hash &_000979_hash
++_003839_hash doc_probe 1 23285 _003839_hash NULL
++_003840_hash DoC_Probe 1 57534 _003840_hash NULL
++_003841_hash efi_ioremap 1-2 3492 _003841_hash &_001137_hash
++_003843_hash ems_pcmcia_add_card 2 62627 _003843_hash NULL
++_003844_hash isp1760_register 1-2 628 _003844_hash NULL
++_003846_hash mid_get_vbt_data_r0 2 10876 _003846_hash NULL
++_003847_hash mid_get_vbt_data_r10 2 6308 _003847_hash NULL
++_003848_hash mid_get_vbt_data_r1 2 26170 _003848_hash NULL
++_003849_hash mthca_map_reg 2-3 5664 _003849_hash NULL
++_003851_hash mthca_setup_cmd_doorbells 2 53954 _003851_hash NULL
++_003852_hash netxen_nic_map_indirect_address_128M 2 42257 _003852_hash NULL
++_003853_hash pcim_iomap 3 58334 _003853_hash NULL
++_003854_hash persistent_ram_iomap 1-2 47156 _003854_hash NULL
++_003856_hash read_vbt_r0 1 503 _003856_hash NULL
++_003857_hash read_vbt_r10 1 60679 _003857_hash NULL
++_003858_hash register_device 2-3 60015 _003858_hash NULL
++_003860_hash remap_pci_mem 1-2 15966 _003860_hash NULL
++_003862_hash rtl_port_map 1-2 2385 _003862_hash NULL
++_003864_hash sfi_map_table 1 5462 _003864_hash NULL
++_003865_hash sriov_enable_migration 2 14889 _003865_hash NULL
++_003866_hash ssb_bus_scan 2 36578 _003866_hash NULL
++_003867_hash ssb_ioremap 2 5228 _003867_hash NULL
++_003868_hash tpci200_slot_map_space 2 3848 _003868_hash NULL
++_003869_hash tpm_tis_init 2-3 15304 _003869_hash NULL
++_003871_hash tsi148_master_set 4 14685 _003871_hash NULL
++_003872_hash acpi_os_map_memory 1-2 11161 _003872_hash NULL
++_003874_hash com90xx_found 3 13974 _003874_hash NULL
++_003875_hash netxen_nic_hw_read_wx_128M 2 26858 _003875_hash NULL
++_003876_hash netxen_nic_hw_write_wx_128M 2 33488 _003876_hash NULL
++_003877_hash sfi_check_table 1 6772 _003877_hash NULL
++_003878_hash sfi_sysfs_install_table 1 51688 _003878_hash NULL
++_003879_hash sriov_enable 2 59689 _003879_hash NULL
++_003880_hash ssb_bus_register 3 65183 _003880_hash NULL
++_003881_hash acpi_ex_system_memory_space_handler 2 31192 _003881_hash NULL
++_003882_hash acpi_tb_check_xsdt 1 21862 _003882_hash NULL
++_003883_hash acpi_tb_install_table 1 12988 _003883_hash NULL
++_003884_hash acpi_tb_parse_root_table 1 53455 _003884_hash NULL
++_003885_hash check_vendor_extension 1 3254 _003885_hash NULL
++_003886_hash pci_enable_sriov 2 35745 _003886_hash NULL
++_003887_hash ssb_bus_pcmciabus_register 3 56020 _003887_hash NULL
++_003888_hash ssb_bus_ssbbus_register 2 2217 _003888_hash NULL
++_003889_hash lpfc_sli_probe_sriov_nr_virtfn 2 26004 _003889_hash NULL
++_003890_hash alloc_vm_area 1 36149 _003890_hash NULL
++_003891_hash cma_create_area 2 38642 _003891_hash NULL
++_003893_hash fbcon_prepare_logo 5 6246 _003893_hash NULL
++_003894_hash io_mapping_map_wc 2 19284 _003894_hash NULL
++_003895_hash nfs_dns_resolve_name 3 25036 _003895_hash NULL
++_003896_hash nfs_parse_server_name 2 1899 _003896_hash NULL
+diff --git a/tools/gcc/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin.c
+new file mode 100644
+index 0000000..244559e
+--- /dev/null
++++ b/tools/gcc/size_overflow_plugin.c
+@@ -0,0 +1,1879 @@
++/*
++ * Copyright 2011, 2012 by Emese Revfy <re.emese(a)gmail.com>
++ * Licensed under the GPL v2, or (at your option) v3
++ *
++ * Homepage:
++ * http://www.grsecurity.net/~ephox/overflow_plugin/
++ *
++ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
++ * with double integer precision (DImode/TImode for 32/64 bit integer types).
++ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
++ *
++ * Usage:
++ * $ gcc -I`gcc -print-file-name=plugin`/include/c-family -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -ggdb -Wall -W -Wno-missing-field-initializers -o size_overflow_plugin.so size_overflow_plugin.c
++ * $ gcc -fplugin=size_overflow_plugin.so test.c -O2
++ */
++
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "intl.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "toplev.h"
++#include "function.h"
++#include "tree-flow.h"
++#include "plugin.h"
++#include "gimple.h"
++#include "c-common.h"
++#include "diagnostic.h"
++#include "cfgloop.h"
++
++#if BUILDING_GCC_VERSION >= 4007
++#include "c-tree.h"
++#else
++#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
++#endif
++
++struct size_overflow_hash {
++ const struct size_overflow_hash * const next;
++ const char * const name;
++ const unsigned int param;
++};
++
++#include "size_overflow_hash.h"
++
++enum marked {
++ MARKED_NO, MARKED_YES, MARKED_NOT_INTENTIONAL
++};
++
++#define __unused __attribute__((__unused__))
++#define NAME(node) IDENTIFIER_POINTER(DECL_NAME(node))
++#define NAME_LEN(node) IDENTIFIER_LENGTH(DECL_NAME(node))
++#define BEFORE_STMT true
++#define AFTER_STMT false
++#define CREATE_NEW_VAR NULL_TREE
++#define CODES_LIMIT 32
++#define MAX_PARAM 32
++#define MY_STMT GF_PLF_1
++#define NO_CAST_CHECK GF_PLF_2
++
++#if BUILDING_GCC_VERSION == 4005
++#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
++#endif
++
++int plugin_is_GPL_compatible;
++void debug_gimple_stmt(gimple gs);
++
++static tree expand(struct pointer_set_t *visited, tree lhs);
++static bool pre_expand(struct pointer_set_t *visited, const_tree lhs);
++static tree report_size_overflow_decl;
++static const_tree const_char_ptr_type_node;
++static unsigned int handle_function(void);
++static void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before);
++static tree get_size_overflow_type(gimple stmt, const_tree node);
++static tree dup_assign(struct pointer_set_t *visited, gimple oldstmt, tree size_overflow_type, tree rhs1, tree rhs2, tree __unused rhs3);
++
++static struct plugin_info size_overflow_plugin_info = {
++ .version = "20120930beta",
++ .help = "no-size-overflow\tturn off size overflow checking\n",
++};
++
++static tree handle_size_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs)
++{
++ unsigned int arg_count;
++ enum tree_code code = TREE_CODE(*node);
++
++ switch (code) {
++ case FUNCTION_DECL:
++ arg_count = type_num_arguments(TREE_TYPE(*node));
++ break;
++ case FUNCTION_TYPE:
++ case METHOD_TYPE:
++ arg_count = type_num_arguments(*node);
++ break;
++ default:
++ *no_add_attrs = true;
++ error("%s: %qE attribute only applies to functions", __func__, name);
++ return NULL_TREE;
++ }
++
++ for (; args; args = TREE_CHAIN(args)) {
++ tree position = TREE_VALUE(args);
++ if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_HIGH(position) || TREE_INT_CST_LOW(position) < 1 || TREE_INT_CST_LOW(position) > arg_count ) {
++ error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position));
++ *no_add_attrs = true;
++ }
++ }
++ return NULL_TREE;
++}
++
++static const char* get_asm_name(tree node)
++{
++ return IDENTIFIER_POINTER(DECL_ASSEMBLER_NAME(node));
++}
++
++static tree handle_intentional_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs)
++{
++ unsigned int arg_count, arg_num;
++ enum tree_code code = TREE_CODE(*node);
++
++ switch (code) {
++ case FUNCTION_DECL:
++ arg_count = type_num_arguments(TREE_TYPE(*node));
++ break;
++ case FUNCTION_TYPE:
++ case METHOD_TYPE:
++ arg_count = type_num_arguments(*node);
++ break;
++ case FIELD_DECL:
++ arg_num = TREE_INT_CST_LOW(TREE_VALUE(args));
++ if (arg_num != 0) {
++ *no_add_attrs = true;
++ error("%s: %qE attribute parameter can only be 0 in structure fields", __func__, name);
++ }
++ return NULL_TREE;
++ default:
++ *no_add_attrs = true;
++ error("%qE attribute only applies to functions", name);
++ return NULL_TREE;
++ }
++
++ for (; args; args = TREE_CHAIN(args)) {
++ tree position = TREE_VALUE(args);
++ if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_HIGH(position) || TREE_INT_CST_LOW(position) > arg_count ) {
++ error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position));
++ *no_add_attrs = true;
++ }
++ }
++ return NULL_TREE;
++}
++
++static struct attribute_spec size_overflow_attr = {
++ .name = "size_overflow",
++ .min_length = 1,
++ .max_length = -1,
++ .decl_required = true,
++ .type_required = false,
++ .function_type_required = false,
++ .handler = handle_size_overflow_attribute,
++#if BUILDING_GCC_VERSION >= 4007
++ .affects_type_identity = false
++#endif
++};
++
++static struct attribute_spec intentional_overflow_attr = {
++ .name = "intentional_overflow",
++ .min_length = 1,
++ .max_length = -1,
++ .decl_required = true,
++ .type_required = false,
++ .function_type_required = false,
++ .handler = handle_intentional_overflow_attribute,
++#if BUILDING_GCC_VERSION >= 4007
++ .affects_type_identity = false
++#endif
++};
++
++static void register_attributes(void __unused *event_data, void __unused *data)
++{
++ register_attribute(&size_overflow_attr);
++ register_attribute(&intentional_overflow_attr);
++}
++
++// http://www.team5150.com/~andrew/noncryptohashzoo2~/CrapWow.html
++static unsigned int CrapWow(const char *key, unsigned int len, unsigned int seed)
++{
++#define cwfold( a, b, lo, hi ) { p = (unsigned int)(a) * (unsigned long long)(b); lo ^= (unsigned int)p; hi ^= (unsigned int)(p >> 32); }
++#define cwmixa( in ) { cwfold( in, m, k, h ); }
++#define cwmixb( in ) { cwfold( in, n, h, k ); }
++
++ unsigned int m = 0x57559429;
++ unsigned int n = 0x5052acdb;
++ const unsigned int *key4 = (const unsigned int *)key;
++ unsigned int h = len;
++ unsigned int k = len + seed + n;
++ unsigned long long p;
++
++ while (len >= 8) {
++ cwmixb(key4[0]) cwmixa(key4[1]) key4 += 2;
++ len -= 8;
++ }
++ if (len >= 4) {
++ cwmixb(key4[0]) key4 += 1;
++ len -= 4;
++ }
++ if (len)
++ cwmixa(key4[0] & ((1 << (len * 8)) - 1 ));
++ cwmixb(h ^ (k + n));
++ return k ^ h;
++
++#undef cwfold
++#undef cwmixa
++#undef cwmixb
++}
++
++static inline unsigned int get_hash_num(const char *fndecl, const char *tree_codes, unsigned int len, unsigned int seed)
++{
++ unsigned int fn = CrapWow(fndecl, strlen(fndecl), seed) & 0xffff;
++ unsigned int codes = CrapWow(tree_codes, len, seed) & 0xffff;
++ return fn ^ codes;
++}
++
++static inline tree get_original_function_decl(tree fndecl)
++{
++ if (DECL_ABSTRACT_ORIGIN(fndecl))
++ return DECL_ABSTRACT_ORIGIN(fndecl);
++ return fndecl;
++}
++
++static inline gimple get_def_stmt(const_tree node)
++{
++ gcc_assert(node != NULL_TREE);
++ gcc_assert(TREE_CODE(node) == SSA_NAME);
++ return SSA_NAME_DEF_STMT(node);
++}
++
++static unsigned char get_tree_code(const_tree type)
++{
++ switch (TREE_CODE(type)) {
++ case ARRAY_TYPE:
++ return 0;
++ case BOOLEAN_TYPE:
++ return 1;
++ case ENUMERAL_TYPE:
++ return 2;
++ case FUNCTION_TYPE:
++ return 3;
++ case INTEGER_TYPE:
++ return 4;
++ case POINTER_TYPE:
++ return 5;
++ case RECORD_TYPE:
++ return 6;
++ case UNION_TYPE:
++ return 7;
++ case VOID_TYPE:
++ return 8;
++ case REAL_TYPE:
++ return 9;
++ case VECTOR_TYPE:
++ return 10;
++ case REFERENCE_TYPE:
++ return 11;
++ case OFFSET_TYPE:
++ return 12;
++ case COMPLEX_TYPE:
++ return 13;
++ default:
++ debug_tree((tree)type);
++ gcc_unreachable();
++ }
++}
++
++static size_t add_type_codes(const_tree type, unsigned char *tree_codes, size_t len)
++{
++ gcc_assert(type != NULL_TREE);
++
++ while (type && len < CODES_LIMIT) {
++ tree_codes[len] = get_tree_code(type);
++ len++;
++ type = TREE_TYPE(type);
++ }
++ return len;
++}
++
++static unsigned int get_function_decl(const_tree fndecl, unsigned char *tree_codes)
++{
++ const_tree arg, result, arg_field, type = TREE_TYPE(fndecl);
++ enum tree_code code = TREE_CODE(type);
++ size_t len = 0;
++
++ gcc_assert(code == FUNCTION_TYPE || code == METHOD_TYPE);
++
++ arg = TYPE_ARG_TYPES(type);
++ // skip builtins __builtin_constant_p
++ if (!arg && DECL_BUILT_IN(fndecl))
++ return 0;
++
++ if (TREE_CODE_CLASS(code) == tcc_type)
++ result = type;
++ else
++ result = DECL_RESULT(fndecl);
++
++ gcc_assert(result != NULL_TREE);
++ len = add_type_codes(TREE_TYPE(result), tree_codes, len);
++
++ if (arg == NULL_TREE) {
++ gcc_assert(CODE_CONTAINS_STRUCT(TREE_CODE(fndecl), TS_DECL_NON_COMMON));
++ arg_field = DECL_ARGUMENT_FLD(fndecl);
++ if (arg_field == NULL_TREE)
++ return 0;
++ arg = TREE_TYPE(arg_field);
++ len = add_type_codes(arg, tree_codes, len);
++ gcc_assert(len != 0);
++ return len;
++ }
++
++ gcc_assert(arg != NULL_TREE && TREE_CODE(arg) == TREE_LIST);
++ while (arg && len < CODES_LIMIT) {
++ len = add_type_codes(TREE_VALUE(arg), tree_codes, len);
++ arg = TREE_CHAIN(arg);
++ }
++
++ gcc_assert(len != 0);
++ return len;
++}
++
++static const struct size_overflow_hash *get_function_hash(tree fndecl)
++{
++ unsigned int hash;
++ const struct size_overflow_hash *entry;
++ unsigned char tree_codes[CODES_LIMIT];
++ size_t len;
++ const char *func_name = get_asm_name(fndecl);
++
++ len = get_function_decl(fndecl, tree_codes);
++ if (len == 0)
++ return NULL;
++
++ hash = get_hash_num(func_name, (const char*) tree_codes, len, 0);
++
++ entry = size_overflow_hash[hash];
++ while (entry) {
++ if (!strcmp(entry->name, func_name))
++ return entry;
++ entry = entry->next;
++ }
++
++ return NULL;
++}
++
++static void check_arg_type(const_tree arg)
++{
++ const_tree type = TREE_TYPE(arg);
++ enum tree_code code = TREE_CODE(type);
++
++ gcc_assert(code == INTEGER_TYPE || code == ENUMERAL_TYPE ||
++ (code == POINTER_TYPE && TREE_CODE(TREE_TYPE(type)) == VOID_TYPE) ||
++ (code == POINTER_TYPE && TREE_CODE(TREE_TYPE(type)) == INTEGER_TYPE));
++}
++
++static int find_arg_number(const_tree arg, tree func)
++{
++ tree var;
++ unsigned int argnum = 1;
++
++ if (TREE_CODE(arg) == SSA_NAME)
++ arg = SSA_NAME_VAR(arg);
++
++ for (var = DECL_ARGUMENTS(func); var; var = TREE_CHAIN(var)) {
++ if (strcmp(NAME(arg), NAME(var))) {
++ argnum++;
++ continue;
++ }
++ check_arg_type(var);
++ return argnum;
++ }
++ gcc_unreachable();
++}
++
++static tree create_new_var(tree type)
++{
++ tree new_var = create_tmp_var(type, "cicus");
++
++ add_referenced_var(new_var);
++ mark_sym_for_renaming(new_var);
++ return new_var;
++}
++
++static gimple create_binary_assign(enum tree_code code, gimple stmt, tree rhs1, tree rhs2)
++{
++ gimple assign;
++ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
++ tree type = TREE_TYPE(rhs1);
++ tree lhs = create_new_var(type);
++
++ assign = gimple_build_assign_with_ops(code, lhs, rhs1, rhs2);
++ gimple_set_lhs(assign, make_ssa_name(lhs, assign));
++
++ gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++ gimple_set_plf(assign, MY_STMT, true);
++ return assign;
++}
++
++static bool is_bool(const_tree node)
++{
++ const_tree type;
++
++ if (node == NULL_TREE)
++ return false;
++
++ type = TREE_TYPE(node);
++ if (!INTEGRAL_TYPE_P(type))
++ return false;
++ if (TREE_CODE(type) == BOOLEAN_TYPE)
++ return true;
++ if (TYPE_PRECISION(type) == 1)
++ return true;
++ return false;
++}
++
++static tree cast_a_tree(tree type, tree var)
++{
++ gcc_assert(type != NULL_TREE);
++ gcc_assert(var != NULL_TREE);
++ gcc_assert(fold_convertible_p(type, var));
++
++ return fold_convert(type, var);
++}
++
++static gimple build_cast_stmt(tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before)
++{
++ gimple assign;
++
++ gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE);
++ if (gsi_end_p(*gsi) && before == AFTER_STMT)
++ gcc_unreachable();
++
++ if (lhs == CREATE_NEW_VAR)
++ lhs = create_new_var(dst_type);
++
++ assign = gimple_build_assign(lhs, cast_a_tree(dst_type, rhs));
++
++ if (!gsi_end_p(*gsi)) {
++ location_t loc = gimple_location(gsi_stmt(*gsi));
++ gimple_set_location(assign, loc);
++ }
++
++ gimple_set_lhs(assign, make_ssa_name(lhs, assign));
++
++ if (before)
++ gsi_insert_before(gsi, assign, GSI_NEW_STMT);
++ else
++ gsi_insert_after(gsi, assign, GSI_NEW_STMT);
++ update_stmt(assign);
++ gimple_set_plf(assign, MY_STMT, true);
++
++ return assign;
++}
++
++static tree cast_to_new_size_overflow_type(gimple stmt, tree new_rhs1, tree size_overflow_type, bool before)
++{
++ const_gimple assign;
++ gimple_stmt_iterator gsi;
++
++ if (new_rhs1 == NULL_TREE)
++ return NULL_TREE;
++
++ if (!useless_type_conversion_p(TREE_TYPE(new_rhs1), size_overflow_type)) {
++ gsi = gsi_for_stmt(stmt);
++ assign = build_cast_stmt(size_overflow_type, new_rhs1, CREATE_NEW_VAR, &gsi, before);
++ return gimple_get_lhs(assign);
++ }
++ return new_rhs1;
++}
++
++static tree follow_overflow_type_and_dup(struct pointer_set_t *visited, gimple stmt, const_tree node, tree new_rhs1, tree new_rhs2, tree new_rhs3)
++{
++ tree size_overflow_type = get_size_overflow_type(stmt, node);
++
++ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
++
++ if (new_rhs2 != NULL_TREE)
++ new_rhs2 = cast_to_new_size_overflow_type(stmt, new_rhs2, size_overflow_type, BEFORE_STMT);
++
++ if (new_rhs3 != NULL_TREE)
++ new_rhs3 = cast_to_new_size_overflow_type(stmt, new_rhs3, size_overflow_type, BEFORE_STMT);
++
++ return dup_assign(visited, stmt, size_overflow_type, new_rhs1, new_rhs2, new_rhs3);
++}
++
++
++static tree create_assign(struct pointer_set_t *visited, gimple oldstmt, tree rhs1, bool before)
++{
++ tree size_overflow_type, lhs;
++ gimple stmt;
++ gimple_stmt_iterator gsi;
++
++ if (rhs1 == NULL_TREE) {
++ debug_gimple_stmt(oldstmt);
++ error("%s: rhs1 is NULL_TREE", __func__);
++ gcc_unreachable();
++ }
++
++ if (gimple_code(oldstmt) == GIMPLE_ASM)
++ lhs = rhs1;
++ else
++ lhs = gimple_get_lhs(oldstmt);
++
++ gsi = gsi_for_stmt(oldstmt);
++ pointer_set_insert(visited, oldstmt);
++ if (lookup_stmt_eh_lp(oldstmt) != 0) {
++ basic_block next_bb, cur_bb;
++ const_edge e;
++
++ gcc_assert(before == false);
++ gcc_assert(stmt_can_throw_internal(oldstmt));
++ gcc_assert(gimple_code(oldstmt) == GIMPLE_CALL);
++ gcc_assert(!gsi_end_p(gsi));
++
++ cur_bb = gimple_bb(oldstmt);
++ next_bb = cur_bb->next_bb;
++ e = find_edge(cur_bb, next_bb);
++ gcc_assert(e != NULL);
++ gcc_assert(e->flags & EDGE_FALLTHRU);
++
++ gsi = gsi_after_labels(next_bb);
++ gcc_assert(!gsi_end_p(gsi));
++
++ before = true;
++ oldstmt = gsi_stmt(gsi);
++ }
++
++ size_overflow_type = get_size_overflow_type(oldstmt, lhs);
++
++ stmt = build_cast_stmt(size_overflow_type, rhs1, CREATE_NEW_VAR, &gsi, before);
++ gimple_set_plf(stmt, MY_STMT, true);
++ return gimple_get_lhs(stmt);
++}
++
++static tree dup_assign(struct pointer_set_t *visited, gimple oldstmt, tree size_overflow_type, tree rhs1, tree rhs2, tree __unused rhs3)
++{
++ gimple stmt;
++ gimple_stmt_iterator gsi;
++ tree new_var, lhs = gimple_get_lhs(oldstmt);
++
++ if (gimple_plf(oldstmt, MY_STMT))
++ return lhs;
++
++ if (gimple_num_ops(oldstmt) != 4 && rhs1 == NULL_TREE) {
++ rhs1 = gimple_assign_rhs1(oldstmt);
++ rhs1 = create_assign(visited, oldstmt, rhs1, BEFORE_STMT);
++ }
++ if (gimple_num_ops(oldstmt) == 3 && rhs2 == NULL_TREE) {
++ rhs2 = gimple_assign_rhs2(oldstmt);
++ rhs2 = create_assign(visited, oldstmt, rhs2, BEFORE_STMT);
++ }
++
++ stmt = gimple_copy(oldstmt);
++ gimple_set_location(stmt, gimple_location(oldstmt));
++ gimple_set_plf(stmt, MY_STMT, true);
++
++ if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR)
++ gimple_assign_set_rhs_code(stmt, MULT_EXPR);
++
++ if (is_bool(lhs))
++ new_var = SSA_NAME_VAR(lhs);
++ else
++ new_var = create_new_var(size_overflow_type);
++ new_var = make_ssa_name(new_var, stmt);
++ gimple_set_lhs(stmt, new_var);
++
++ if (rhs1 != NULL_TREE) {
++ if (!gimple_assign_cast_p(oldstmt))
++ rhs1 = cast_a_tree(size_overflow_type, rhs1);
++ gimple_assign_set_rhs1(stmt, rhs1);
++ }
++
++ if (rhs2 != NULL_TREE)
++ gimple_assign_set_rhs2(stmt, rhs2);
++#if BUILDING_GCC_VERSION >= 4007
++ if (rhs3 != NULL_TREE)
++ gimple_assign_set_rhs3(stmt, rhs3);
++#endif
++ gimple_set_vuse(stmt, gimple_vuse(oldstmt));
++ gimple_set_vdef(stmt, gimple_vdef(oldstmt));
++
++ gsi = gsi_for_stmt(oldstmt);
++ gsi_insert_after(&gsi, stmt, GSI_SAME_STMT);
++ update_stmt(stmt);
++ pointer_set_insert(visited, oldstmt);
++ return gimple_get_lhs(stmt);
++}
++
++static gimple overflow_create_phi_node(gimple oldstmt, tree result)
++{
++ basic_block bb;
++ gimple phi;
++ gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt);
++
++ bb = gsi_bb(gsi);
++
++ phi = create_phi_node(result, bb);
++ gsi = gsi_last(phi_nodes(bb));
++ gsi_remove(&gsi, false);
++
++ gsi = gsi_for_stmt(oldstmt);
++ gsi_insert_after(&gsi, phi, GSI_NEW_STMT);
++ gimple_set_bb(phi, bb);
++ gimple_set_plf(phi, MY_STMT, true);
++ return phi;
++}
++
++static basic_block create_a_first_bb(void)
++{
++ basic_block first_bb;
++
++ first_bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
++ if (dom_info_available_p(CDI_DOMINATORS))
++ set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR);
++ return first_bb;
++}
++
++static tree cast_old_phi_arg(gimple oldstmt, tree size_overflow_type, tree arg, tree new_var, unsigned int i)
++{
++ basic_block bb;
++ const_gimple newstmt;
++ gimple_stmt_iterator gsi;
++ bool before = BEFORE_STMT;
++
++ if (TREE_CODE(arg) == SSA_NAME && gimple_code(get_def_stmt(arg)) != GIMPLE_NOP) {
++ gsi = gsi_for_stmt(get_def_stmt(arg));
++ newstmt = build_cast_stmt(size_overflow_type, arg, new_var, &gsi, AFTER_STMT);
++ return gimple_get_lhs(newstmt);
++ }
++
++ bb = gimple_phi_arg_edge(oldstmt, i)->src;
++ gsi = gsi_after_labels(bb);
++ if (bb->index == 0) {
++ bb = create_a_first_bb();
++ gsi = gsi_start_bb(bb);
++ }
++ newstmt = build_cast_stmt(size_overflow_type, arg, new_var, &gsi, before);
++ return gimple_get_lhs(newstmt);
++}
++
++static const_gimple handle_new_phi_arg(const_tree arg, tree new_var, tree new_rhs)
++{
++ gimple newstmt;
++ gimple_stmt_iterator gsi;
++ void (*gsi_insert)(gimple_stmt_iterator *, gimple, enum gsi_iterator_update);
++ gimple def_newstmt = get_def_stmt(new_rhs);
++
++ gsi_insert = gsi_insert_after;
++ gsi = gsi_for_stmt(def_newstmt);
++
++ switch (gimple_code(get_def_stmt(arg))) {
++ case GIMPLE_PHI:
++ newstmt = gimple_build_assign(new_var, new_rhs);
++ gsi = gsi_after_labels(gimple_bb(def_newstmt));
++ gsi_insert = gsi_insert_before;
++ break;
++ case GIMPLE_ASM:
++ case GIMPLE_CALL:
++ newstmt = gimple_build_assign(new_var, new_rhs);
++ break;
++ case GIMPLE_ASSIGN:
++ newstmt = gimple_build_assign(new_var, gimple_get_lhs(def_newstmt));
++ break;
++ default:
++ /* unknown gimple_code (handle_build_new_phi_arg) */
++ gcc_unreachable();
++ }
++
++ gimple_set_lhs(newstmt, make_ssa_name(new_var, newstmt));
++ gsi_insert(&gsi, newstmt, GSI_NEW_STMT);
++ gimple_set_plf(newstmt, MY_STMT, true);
++ update_stmt(newstmt);
++ return newstmt;
++}
++
++static tree build_new_phi_arg(struct pointer_set_t *visited, tree size_overflow_type, tree arg, tree new_var)
++{
++ const_gimple newstmt;
++ gimple def_stmt;
++ tree new_rhs;
++
++ new_rhs = expand(visited, arg);
++ if (new_rhs == NULL_TREE)
++ return NULL_TREE;
++
++ def_stmt = get_def_stmt(new_rhs);
++ if (gimple_code(def_stmt) == GIMPLE_NOP)
++ return NULL_TREE;
++ new_rhs = cast_to_new_size_overflow_type(def_stmt, new_rhs, size_overflow_type, AFTER_STMT);
++
++ newstmt = handle_new_phi_arg(arg, new_var, new_rhs);
++ return gimple_get_lhs(newstmt);
++}
++
++static tree build_new_phi(struct pointer_set_t *visited, tree orig_result)
++{
++ gimple phi, oldstmt = get_def_stmt(orig_result);
++ tree new_result, size_overflow_type;
++ unsigned int i;
++ unsigned int n = gimple_phi_num_args(oldstmt);
++
++ size_overflow_type = get_size_overflow_type(oldstmt, orig_result);
++
++ new_result = create_new_var(size_overflow_type);
++
++ pointer_set_insert(visited, oldstmt);
++ phi = overflow_create_phi_node(oldstmt, new_result);
++ for (i = 0; i < n; i++) {
++ tree arg, lhs;
++
++ arg = gimple_phi_arg_def(oldstmt, i);
++ if (is_gimple_constant(arg))
++ arg = cast_a_tree(size_overflow_type, arg);
++ lhs = build_new_phi_arg(visited, size_overflow_type, arg, new_result);
++ if (lhs == NULL_TREE)
++ lhs = cast_old_phi_arg(oldstmt, size_overflow_type, arg, new_result, i);
++ add_phi_arg(phi, lhs, gimple_phi_arg_edge(oldstmt, i), gimple_location(oldstmt));
++ }
++
++ update_stmt(phi);
++ return gimple_phi_result(phi);
++}
++
++static tree change_assign_rhs(gimple stmt, const_tree orig_rhs, tree new_rhs)
++{
++ const_gimple assign;
++ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
++ tree origtype = TREE_TYPE(orig_rhs);
++
++ gcc_assert(gimple_code(stmt) == GIMPLE_ASSIGN);
++
++ assign = build_cast_stmt(origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
++ return gimple_get_lhs(assign);
++}
++
++static void change_rhs1(gimple stmt, tree new_rhs1)
++{
++ tree assign_rhs;
++ const_tree rhs = gimple_assign_rhs1(stmt);
++
++ assign_rhs = change_assign_rhs(stmt, rhs, new_rhs1);
++ gimple_assign_set_rhs1(stmt, assign_rhs);
++ update_stmt(stmt);
++}
++
++static bool check_mode_type(const_gimple stmt)
++{
++ const_tree lhs = gimple_get_lhs(stmt);
++ const_tree lhs_type = TREE_TYPE(lhs);
++ const_tree rhs_type = TREE_TYPE(gimple_assign_rhs1(stmt));
++ enum machine_mode lhs_mode = TYPE_MODE(lhs_type);
++ enum machine_mode rhs_mode = TYPE_MODE(rhs_type);
++
++ if (rhs_mode == lhs_mode && TYPE_UNSIGNED(rhs_type) == TYPE_UNSIGNED(lhs_type))
++ return false;
++
++ if (rhs_mode == SImode && lhs_mode == DImode && (TYPE_UNSIGNED(rhs_type) || !TYPE_UNSIGNED(lhs_type)))
++ return false;
++
++ return true;
++}
++
++static bool check_undefined_integer_operation(const_gimple stmt)
++{
++ const_gimple def_stmt;
++ const_tree lhs = gimple_get_lhs(stmt);
++ const_tree rhs1 = gimple_assign_rhs1(stmt);
++ const_tree rhs1_type = TREE_TYPE(rhs1);
++ const_tree lhs_type = TREE_TYPE(lhs);
++
++ if (TYPE_MODE(rhs1_type) != TYPE_MODE(lhs_type) || TYPE_UNSIGNED(rhs1_type) == TYPE_UNSIGNED(lhs_type))
++ return false;
++
++ def_stmt = get_def_stmt(rhs1);
++ if (gimple_code(def_stmt) != GIMPLE_ASSIGN)
++ return false;
++
++ if (gimple_assign_rhs_code(def_stmt) != MINUS_EXPR)
++ return false;
++ return true;
++}
++
++static bool is_a_cast_and_const_overflow(const_tree no_const_rhs)
++{
++ const_tree rhs1, lhs, rhs1_type, lhs_type;
++ enum machine_mode lhs_mode, rhs_mode;
++ gimple def_stmt = get_def_stmt(no_const_rhs);
++
++ if (!gimple_assign_cast_p(def_stmt))
++ return false;
++
++ rhs1 = gimple_assign_rhs1(def_stmt);
++ lhs = gimple_get_lhs(def_stmt);
++ rhs1_type = TREE_TYPE(rhs1);
++ lhs_type = TREE_TYPE(lhs);
++ rhs_mode = TYPE_MODE(rhs1_type);
++ lhs_mode = TYPE_MODE(lhs_type);
++ if (TYPE_UNSIGNED(lhs_type) == TYPE_UNSIGNED(rhs1_type) || lhs_mode != rhs_mode)
++ return false;
++
++ return true;
++}
++
++static tree handle_unary_rhs(struct pointer_set_t *visited, gimple stmt)
++{
++ tree size_overflow_type, lhs = gimple_get_lhs(stmt);
++ tree new_rhs1, rhs1 = gimple_assign_rhs1(stmt);
++ const_tree rhs1_type = TREE_TYPE(rhs1);
++ const_tree lhs_type = TREE_TYPE(lhs);
++
++ new_rhs1 = expand(visited, rhs1);
++
++ if (new_rhs1 == NULL_TREE || TREE_CODE(rhs1_type) == POINTER_TYPE)
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++
++ if (gimple_plf(stmt, MY_STMT))
++ return lhs;
++
++ if (gimple_plf(stmt, NO_CAST_CHECK))
++ return follow_overflow_type_and_dup(visited, stmt, rhs1, new_rhs1, NULL_TREE, NULL_TREE);
++
++ if (gimple_assign_rhs_code(stmt) == BIT_NOT_EXPR) {
++ size_overflow_type = get_size_overflow_type(stmt, rhs1);
++ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
++ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, BEFORE_STMT);
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++ }
++
++ if (!gimple_assign_cast_p(stmt) || check_undefined_integer_operation(stmt))
++ return follow_overflow_type_and_dup(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
++
++ size_overflow_type = get_size_overflow_type(stmt, rhs1);
++ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
++
++ change_rhs1(stmt, new_rhs1);
++ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, BEFORE_STMT);
++
++ rhs1 = gimple_assign_rhs1(stmt);
++ rhs1_type = TREE_TYPE(rhs1);
++ if (TYPE_UNSIGNED(rhs1_type) != TYPE_UNSIGNED(lhs_type))
++ return create_assign(visited, stmt, rhs1, AFTER_STMT);
++
++ if (!check_mode_type(stmt))
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++
++ size_overflow_type = get_size_overflow_type(stmt, lhs);
++ new_rhs1 = cast_to_new_size_overflow_type(stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
++
++ check_size_overflow(stmt, size_overflow_type, new_rhs1, lhs, BEFORE_STMT);
++
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++}
++
++static tree handle_unary_ops(struct pointer_set_t *visited, tree lhs)
++{
++ gimple def_stmt = get_def_stmt(lhs);
++ tree rhs1 = gimple_assign_rhs1(def_stmt);
++
++ if (is_gimple_constant(rhs1))
++ return create_assign(visited, def_stmt, lhs, AFTER_STMT);
++
++ gcc_assert(TREE_CODE(rhs1) != COND_EXPR);
++ switch (TREE_CODE(rhs1)) {
++ case SSA_NAME:
++ return handle_unary_rhs(visited, def_stmt);
++ case ARRAY_REF:
++ case BIT_FIELD_REF:
++ case ADDR_EXPR:
++ case COMPONENT_REF:
++ case INDIRECT_REF:
++#if BUILDING_GCC_VERSION >= 4006
++ case MEM_REF:
++#endif
++ case PARM_DECL:
++ case TARGET_MEM_REF:
++ case VAR_DECL:
++ return create_assign(visited, def_stmt, lhs, AFTER_STMT);
++
++ default:
++ debug_gimple_stmt(def_stmt);
++ debug_tree(rhs1);
++ gcc_unreachable();
++ }
++}
++
++static void insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value)
++{
++ gimple cond_stmt;
++ gimple_stmt_iterator gsi = gsi_last_bb(cond_bb);
++
++ cond_stmt = gimple_build_cond(cond_code, arg, type_value, NULL_TREE, NULL_TREE);
++ gsi_insert_after(&gsi, cond_stmt, GSI_CONTINUE_LINKING);
++ update_stmt(cond_stmt);
++}
++
++static tree create_string_param(tree string)
++{
++ tree i_type, a_type;
++ const int length = TREE_STRING_LENGTH(string);
++
++ gcc_assert(length > 0);
++
++ i_type = build_index_type(build_int_cst(NULL_TREE, length - 1));
++ a_type = build_array_type(char_type_node, i_type);
++
++ TREE_TYPE(string) = a_type;
++ TREE_CONSTANT(string) = 1;
++ TREE_READONLY(string) = 1;
++
++ return build1(ADDR_EXPR, ptr_type_node, string);
++}
++
++static void insert_cond_result(basic_block bb_true, const_gimple stmt, const_tree arg, bool min)
++{
++ gimple func_stmt;
++ const_gimple def_stmt;
++ const_tree loc_line;
++ tree loc_file, ssa_name, current_func;
++ expanded_location xloc;
++ char ssa_name_buf[256];
++ gimple_stmt_iterator gsi = gsi_start_bb(bb_true);
++
++ def_stmt = get_def_stmt(arg);
++ xloc = expand_location(gimple_location(def_stmt));
++
++ if (!gimple_has_location(def_stmt)) {
++ xloc = expand_location(gimple_location(stmt));
++ if (!gimple_has_location(stmt))
++ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
++ }
++
++ loc_line = build_int_cstu(unsigned_type_node, xloc.line);
++
++ loc_file = build_string(strlen(xloc.file) + 1, xloc.file);
++ loc_file = create_string_param(loc_file);
++
++ current_func = build_string(NAME_LEN(current_function_decl) + 1, NAME(current_function_decl));
++ current_func = create_string_param(current_func);
++
++ snprintf(ssa_name_buf, 256, "%s_%u (%s)\n", NAME(SSA_NAME_VAR(arg)), SSA_NAME_VERSION(arg), min ? "min" : "max");
++ ssa_name = build_string(256, ssa_name_buf);
++ ssa_name = create_string_param(ssa_name);
++
++ // void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
++ func_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name);
++
++ gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING);
++}
++
++static void __unused print_the_code_insertions(const_gimple stmt)
++{
++ location_t loc = gimple_location(stmt);
++
++ inform(loc, "Integer size_overflow check applied here.");
++}
++
++static void insert_check_size_overflow(gimple stmt, enum tree_code cond_code, tree arg, tree type_value, bool before, bool min)
++{
++ basic_block cond_bb, join_bb, bb_true;
++ edge e;
++ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
++
++ cond_bb = gimple_bb(stmt);
++ if (before)
++ gsi_prev(&gsi);
++ if (gsi_end_p(gsi))
++ e = split_block_after_labels(cond_bb);
++ else
++ e = split_block(cond_bb, gsi_stmt(gsi));
++ cond_bb = e->src;
++ join_bb = e->dest;
++ e->flags = EDGE_FALSE_VALUE;
++ e->probability = REG_BR_PROB_BASE;
++
++ bb_true = create_empty_bb(cond_bb);
++ make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE);
++ make_edge(cond_bb, join_bb, EDGE_FALSE_VALUE);
++ make_edge(bb_true, join_bb, EDGE_FALLTHRU);
++
++ if (dom_info_available_p(CDI_DOMINATORS)) {
++ set_immediate_dominator(CDI_DOMINATORS, bb_true, cond_bb);
++ set_immediate_dominator(CDI_DOMINATORS, join_bb, cond_bb);
++ }
++
++ if (current_loops != NULL) {
++ gcc_assert(cond_bb->loop_father == join_bb->loop_father);
++ add_bb_to_loop(bb_true, cond_bb->loop_father);
++ }
++
++ insert_cond(cond_bb, arg, cond_code, type_value);
++ insert_cond_result(bb_true, stmt, arg, min);
++
++// print_the_code_insertions(stmt);
++}
++
++static void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before)
++{
++ const_tree rhs_type = TREE_TYPE(rhs);
++ tree cast_rhs_type, type_max_type, type_min_type, type_max, type_min;
++
++ gcc_assert(rhs_type != NULL_TREE);
++ if (TREE_CODE(rhs_type) == POINTER_TYPE)
++ return;
++
++ gcc_assert(TREE_CODE(rhs_type) == INTEGER_TYPE || TREE_CODE(rhs_type) == BOOLEAN_TYPE || TREE_CODE(rhs_type) == ENUMERAL_TYPE);
++
++ type_max = cast_a_tree(size_overflow_type, TYPE_MAX_VALUE(rhs_type));
++ type_min = cast_a_tree(size_overflow_type, TYPE_MIN_VALUE(rhs_type));
++
++ gcc_assert(!TREE_OVERFLOW(type_max));
++
++ cast_rhs_type = TREE_TYPE(cast_rhs);
++ type_max_type = TREE_TYPE(type_max);
++ type_min_type = TREE_TYPE(type_min);
++ gcc_assert(useless_type_conversion_p(cast_rhs_type, type_max_type));
++ gcc_assert(useless_type_conversion_p(type_max_type, type_min_type));
++
++ insert_check_size_overflow(stmt, GT_EXPR, cast_rhs, type_max, before, false);
++ insert_check_size_overflow(stmt, LT_EXPR, cast_rhs, type_min, before, true);
++}
++
++static tree get_size_overflow_type_for_intentional_overflow(gimple def_stmt, tree change_rhs)
++{
++ gimple change_rhs_def_stmt;
++ tree lhs = gimple_get_lhs(def_stmt);
++ tree lhs_type = TREE_TYPE(lhs);
++ tree rhs1_type = TREE_TYPE(gimple_assign_rhs1(def_stmt));
++ tree rhs2_type = TREE_TYPE(gimple_assign_rhs2(def_stmt));
++
++ if (change_rhs == NULL_TREE)
++ return get_size_overflow_type(def_stmt, lhs);
++
++ change_rhs_def_stmt = get_def_stmt(change_rhs);
++
++ if (TREE_CODE_CLASS(gimple_assign_rhs_code(def_stmt)) == tcc_comparison)
++ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
++
++ if (gimple_assign_rhs_code(def_stmt) == LSHIFT_EXPR)
++ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
++
++ if (gimple_assign_rhs_code(def_stmt) == RSHIFT_EXPR)
++ return get_size_overflow_type(change_rhs_def_stmt, change_rhs);
++
++ if (!useless_type_conversion_p(lhs_type, rhs1_type) || !useless_type_conversion_p(rhs1_type, rhs2_type)) {
++ debug_gimple_stmt(def_stmt);
++ gcc_unreachable();
++ }
++
++ return get_size_overflow_type(def_stmt, lhs);
++}
++
++static bool is_a_constant_overflow(const_gimple stmt, const_tree rhs)
++{
++ if (gimple_assign_rhs_code(stmt) == MIN_EXPR)
++ return false;
++ if (!is_gimple_constant(rhs))
++ return false;
++ return true;
++}
++
++static tree get_cast_def_stmt_rhs(const_tree new_rhs)
++{
++ gimple def_stmt;
++
++ def_stmt = get_def_stmt(new_rhs);
++ // get_size_overflow_type
++ if (LONG_TYPE_SIZE != GET_MODE_BITSIZE(SImode))
++ gcc_assert(gimple_assign_cast_p(def_stmt));
++ return gimple_assign_rhs1(def_stmt);
++}
++
++static tree cast_to_int_TI_type_and_check(gimple stmt, tree new_rhs)
++{
++ gimple_stmt_iterator gsi;
++ const_gimple cast_stmt;
++ gimple def_stmt;
++ enum machine_mode mode = TYPE_MODE(TREE_TYPE(new_rhs));
++
++ if (mode != TImode && mode != DImode) {
++ def_stmt = get_def_stmt(new_rhs);
++ gcc_assert(gimple_assign_cast_p(def_stmt));
++ new_rhs = gimple_assign_rhs1(def_stmt);
++ mode = TYPE_MODE(TREE_TYPE(new_rhs));
++ }
++
++ gcc_assert(mode == TImode || mode == DImode);
++
++ if (mode == TYPE_MODE(intTI_type_node) && useless_type_conversion_p(TREE_TYPE(new_rhs), intTI_type_node))
++ return new_rhs;
++
++ gsi = gsi_for_stmt(stmt);
++ cast_stmt = build_cast_stmt(intTI_type_node, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
++ new_rhs = gimple_get_lhs(cast_stmt);
++
++ if (mode == DImode)
++ return new_rhs;
++
++ check_size_overflow(stmt, intTI_type_node, new_rhs, new_rhs, BEFORE_STMT);
++
++ return new_rhs;
++}
++
++static bool is_an_integer_trunction(const_gimple stmt)
++{
++ gimple rhs1_def_stmt, rhs2_def_stmt;
++ const_tree rhs1_def_stmt_rhs1, rhs2_def_stmt_rhs1;
++ enum machine_mode rhs1_def_stmt_rhs1_mode, rhs2_def_stmt_rhs1_mode;
++ const_tree rhs1 = gimple_assign_rhs1(stmt);
++ const_tree rhs2 = gimple_assign_rhs2(stmt);
++ enum machine_mode rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1));
++ enum machine_mode rhs2_mode = TYPE_MODE(TREE_TYPE(rhs2));
++
++ if (is_gimple_constant(rhs1) || is_gimple_constant(rhs2))
++ return false;
++
++ gcc_assert(TREE_CODE(rhs1) == SSA_NAME && TREE_CODE(rhs2) == SSA_NAME);
++
++ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR || rhs1_mode != SImode || rhs2_mode != SImode)
++ return false;
++
++ rhs1_def_stmt = get_def_stmt(rhs1);
++ rhs2_def_stmt = get_def_stmt(rhs2);
++ if (!gimple_assign_cast_p(rhs1_def_stmt) || !gimple_assign_cast_p(rhs2_def_stmt))
++ return false;
++
++ rhs1_def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt);
++ rhs2_def_stmt_rhs1 = gimple_assign_rhs1(rhs2_def_stmt);
++ rhs1_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_rhs1));
++ rhs2_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_rhs1));
++ if (rhs1_def_stmt_rhs1_mode != DImode || rhs2_def_stmt_rhs1_mode != DImode)
++ return false;
++
++ gimple_set_plf(rhs1_def_stmt, NO_CAST_CHECK, true);
++ gimple_set_plf(rhs2_def_stmt, NO_CAST_CHECK, true);
++ return true;
++}
++
++static tree handle_integer_truncation(struct pointer_set_t *visited, const_tree lhs)
++{
++ tree new_rhs1, new_rhs2;
++ tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs;
++ tree new_rhs1_def_stmt_rhs1_type, new_rhs2_def_stmt_rhs1_type;
++ gimple assign, stmt = get_def_stmt(lhs);
++ tree rhs1 = gimple_assign_rhs1(stmt);
++ tree rhs2 = gimple_assign_rhs2(stmt);
++
++ if (!is_an_integer_trunction(stmt))
++ return NULL_TREE;
++
++ new_rhs1 = expand(visited, rhs1);
++ new_rhs2 = expand(visited, rhs2);
++
++ new_rhs1_def_stmt_rhs1 = get_cast_def_stmt_rhs(new_rhs1);
++ new_rhs2_def_stmt_rhs1 = get_cast_def_stmt_rhs(new_rhs2);
++
++ new_rhs1_def_stmt_rhs1_type = TREE_TYPE(new_rhs1_def_stmt_rhs1);
++ new_rhs2_def_stmt_rhs1_type = TREE_TYPE(new_rhs2_def_stmt_rhs1);
++
++ if (!useless_type_conversion_p(new_rhs1_def_stmt_rhs1_type, new_rhs2_def_stmt_rhs1_type)) {
++ new_rhs1_def_stmt_rhs1 = cast_to_int_TI_type_and_check(stmt, new_rhs1_def_stmt_rhs1);
++ new_rhs2_def_stmt_rhs1 = cast_to_int_TI_type_and_check(stmt, new_rhs2_def_stmt_rhs1);
++ }
++
++ assign = create_binary_assign(MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1);
++ new_lhs = gimple_get_lhs(assign);
++ check_size_overflow(assign, TREE_TYPE(new_lhs), new_lhs, rhs1, AFTER_STMT);
++
++ return follow_overflow_type_and_dup(visited, stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
++}
++
++static bool is_a_neg_overflow(const_gimple stmt, const_tree rhs)
++{
++ const_gimple def_stmt;
++
++ if (TREE_CODE(rhs) != SSA_NAME)
++ return false;
++
++ if (gimple_assign_rhs_code(stmt) != PLUS_EXPR)
++ return false;
++
++ def_stmt = get_def_stmt(rhs);
++ if (gimple_code(def_stmt) != GIMPLE_ASSIGN || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR)
++ return false;
++
++ return true;
++}
++
++static tree handle_intentional_overflow(struct pointer_set_t *visited, bool check_overflow, gimple stmt, tree change_rhs, tree new_rhs1, tree new_rhs2)
++{
++ tree new_rhs, size_overflow_type, orig_rhs;
++ void (*gimple_assign_set_rhs)(gimple, tree);
++ tree rhs1 = gimple_assign_rhs1(stmt);
++ tree rhs2 = gimple_assign_rhs2(stmt);
++ tree lhs = gimple_get_lhs(stmt);
++
++ if (change_rhs == NULL_TREE)
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++
++ if (new_rhs2 == NULL_TREE) {
++ size_overflow_type = get_size_overflow_type_for_intentional_overflow(stmt, new_rhs1);
++ new_rhs2 = cast_a_tree(size_overflow_type, rhs2);
++ orig_rhs = rhs1;
++ gimple_assign_set_rhs = &gimple_assign_set_rhs1;
++ } else {
++ size_overflow_type = get_size_overflow_type_for_intentional_overflow(stmt, new_rhs2);
++ new_rhs1 = cast_a_tree(size_overflow_type, rhs1);
++ orig_rhs = rhs2;
++ gimple_assign_set_rhs = &gimple_assign_set_rhs2;
++ }
++
++ change_rhs = cast_to_new_size_overflow_type(stmt, change_rhs, size_overflow_type, BEFORE_STMT);
++
++ if (check_overflow)
++ check_size_overflow(stmt, size_overflow_type, change_rhs, orig_rhs, BEFORE_STMT);
++
++ new_rhs = change_assign_rhs(stmt, orig_rhs, change_rhs);
++ gimple_assign_set_rhs(stmt, new_rhs);
++ update_stmt(stmt);
++
++ return create_assign(visited, stmt, lhs, AFTER_STMT);
++}
++
++static tree handle_binary_ops(struct pointer_set_t *visited, tree lhs)
++{
++ tree rhs1, rhs2, new_lhs;
++ gimple def_stmt = get_def_stmt(lhs);
++ tree new_rhs1 = NULL_TREE;
++ tree new_rhs2 = NULL_TREE;
++
++ rhs1 = gimple_assign_rhs1(def_stmt);
++ rhs2 = gimple_assign_rhs2(def_stmt);
++
++ /* no DImode/TImode division in the 32/64 bit kernel */
++ switch (gimple_assign_rhs_code(def_stmt)) {
++ case RDIV_EXPR:
++ case TRUNC_DIV_EXPR:
++ case CEIL_DIV_EXPR:
++ case FLOOR_DIV_EXPR:
++ case ROUND_DIV_EXPR:
++ case TRUNC_MOD_EXPR:
++ case CEIL_MOD_EXPR:
++ case FLOOR_MOD_EXPR:
++ case ROUND_MOD_EXPR:
++ case EXACT_DIV_EXPR:
++ case POINTER_PLUS_EXPR:
++ case BIT_AND_EXPR:
++ return create_assign(visited, def_stmt, lhs, AFTER_STMT);
++ default:
++ break;
++ }
++
++ new_lhs = handle_integer_truncation(visited, lhs);
++ if (new_lhs != NULL_TREE)
++ return new_lhs;
++
++ if (TREE_CODE(rhs1) == SSA_NAME)
++ new_rhs1 = expand(visited, rhs1);
++ if (TREE_CODE(rhs2) == SSA_NAME)
++ new_rhs2 = expand(visited, rhs2);
++
++ if (is_a_neg_overflow(def_stmt, rhs2))
++ return handle_intentional_overflow(visited, true, def_stmt, new_rhs1, new_rhs1, NULL_TREE);
++ if (is_a_neg_overflow(def_stmt, rhs1))
++ return handle_intentional_overflow(visited, true, def_stmt, new_rhs2, NULL_TREE, new_rhs2);
++
++ if (is_a_constant_overflow(def_stmt, rhs2))
++ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs1), def_stmt, new_rhs1, new_rhs1, NULL_TREE);
++ if (is_a_constant_overflow(def_stmt, rhs1))
++ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, NULL_TREE, new_rhs2);
++
++ return follow_overflow_type_and_dup(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
++}
++
++#if BUILDING_GCC_VERSION >= 4007
++static tree get_new_rhs(struct pointer_set_t *visited, tree size_overflow_type, tree rhs)
++{
++ if (is_gimple_constant(rhs))
++ return cast_a_tree(size_overflow_type, rhs);
++ if (TREE_CODE(rhs) != SSA_NAME)
++ return NULL_TREE;
++ return expand(visited, rhs);
++}
++
++static tree handle_ternary_ops(struct pointer_set_t *visited, tree lhs)
++{
++ tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type;
++ gimple def_stmt = get_def_stmt(lhs);
++
++ size_overflow_type = get_size_overflow_type(def_stmt, lhs);
++
++ rhs1 = gimple_assign_rhs1(def_stmt);
++ rhs2 = gimple_assign_rhs2(def_stmt);
++ rhs3 = gimple_assign_rhs3(def_stmt);
++ new_rhs1 = get_new_rhs(visited, size_overflow_type, rhs1);
++ new_rhs2 = get_new_rhs(visited, size_overflow_type, rhs2);
++ new_rhs3 = get_new_rhs(visited, size_overflow_type, rhs3);
++
++ return follow_overflow_type_and_dup(visited, def_stmt, lhs, new_rhs1, new_rhs2, new_rhs3);
++}
++#endif
++
++static tree get_size_overflow_type(gimple stmt, const_tree node)
++{
++ const_tree type;
++
++ gcc_assert(node != NULL_TREE);
++
++ type = TREE_TYPE(node);
++
++ if (gimple_plf(stmt, MY_STMT))
++ return TREE_TYPE(node);
++
++ switch (TYPE_MODE(type)) {
++ case QImode:
++ return (TYPE_UNSIGNED(type)) ? unsigned_intHI_type_node : intHI_type_node;
++ case HImode:
++ return (TYPE_UNSIGNED(type)) ? unsigned_intSI_type_node : intSI_type_node;
++ case SImode:
++ return (TYPE_UNSIGNED(type)) ? unsigned_intDI_type_node : intDI_type_node;
++ case DImode:
++ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode))
++ return (TYPE_UNSIGNED(type)) ? unsigned_intDI_type_node : intDI_type_node;
++ return (TYPE_UNSIGNED(type)) ? unsigned_intTI_type_node : intTI_type_node;
++ default:
++ debug_tree((tree)node);
++ error("%s: unsupported gcc configuration.", __func__);
++ gcc_unreachable();
++ }
++}
++
++static tree expand_visited(gimple def_stmt)
++{
++ const_gimple next_stmt;
++ gimple_stmt_iterator gsi = gsi_for_stmt(def_stmt);
++
++ gsi_next(&gsi);
++ next_stmt = gsi_stmt(gsi);
++
++ gcc_assert(gimple_plf((gimple)next_stmt, MY_STMT));
++
++ switch (gimple_code(next_stmt)) {
++ case GIMPLE_ASSIGN:
++ return gimple_get_lhs(next_stmt);
++ case GIMPLE_PHI:
++ return gimple_phi_result(next_stmt);
++ case GIMPLE_CALL:
++ return gimple_call_lhs(next_stmt);
++ default:
++ return NULL_TREE;
++ }
++}
++
++static tree expand(struct pointer_set_t *visited, tree lhs)
++{
++ gimple def_stmt;
++ enum tree_code code = TREE_CODE(TREE_TYPE(lhs));
++
++ if (is_gimple_constant(lhs))
++ return NULL_TREE;
++
++ if (TREE_CODE(lhs) == ADDR_EXPR)
++ return NULL_TREE;
++
++ if (code == REAL_TYPE)
++ return NULL_TREE;
++
++ gcc_assert(code == INTEGER_TYPE || code == POINTER_TYPE || code == BOOLEAN_TYPE || code == ENUMERAL_TYPE);
++
++
++ def_stmt = get_def_stmt(lhs);
++
++ if (!def_stmt)
++ return NULL_TREE;
++
++ if (gimple_plf(def_stmt, MY_STMT))
++ return lhs;
++
++ if (pointer_set_contains(visited, def_stmt))
++ return expand_visited(def_stmt);
++
++ switch (gimple_code(def_stmt)) {
++ case GIMPLE_NOP:
++ return NULL_TREE;
++ case GIMPLE_PHI:
++ return build_new_phi(visited, lhs);
++ case GIMPLE_CALL:
++ case GIMPLE_ASM:
++ return create_assign(visited, def_stmt, lhs, AFTER_STMT);
++ case GIMPLE_ASSIGN:
++ switch (gimple_num_ops(def_stmt)) {
++ case 2:
++ return handle_unary_ops(visited, lhs);
++ case 3:
++ return handle_binary_ops(visited, lhs);
++#if BUILDING_GCC_VERSION >= 4007
++ case 4:
++ return handle_ternary_ops(visited, lhs);
++#endif
++ }
++ default:
++ debug_gimple_stmt(def_stmt);
++ error("%s: unknown gimple code", __func__);
++ gcc_unreachable();
++ }
++}
++
++static void change_function_arg(gimple stmt, const_tree origarg, unsigned int argnum, tree newarg)
++{
++ const_gimple assign;
++ gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
++ tree origtype = TREE_TYPE(origarg);
++
++ gcc_assert(gimple_code(stmt) == GIMPLE_CALL);
++
++ assign = build_cast_stmt(origtype, newarg, CREATE_NEW_VAR, &gsi, BEFORE_STMT);
++
++ gimple_call_set_arg(stmt, argnum, gimple_get_lhs(assign));
++ update_stmt(stmt);
++}
++
++static bool get_function_arg(unsigned int* argnum, const_tree fndecl)
++{
++ const char *origid;
++ tree arg;
++ const_tree origarg;
++
++ if (!DECL_ABSTRACT_ORIGIN(fndecl))
++ return true;
++
++ origarg = DECL_ARGUMENTS(DECL_ABSTRACT_ORIGIN(fndecl));
++ while (origarg && *argnum) {
++ (*argnum)--;
++ origarg = TREE_CHAIN(origarg);
++ }
++
++ gcc_assert(*argnum == 0);
++
++ gcc_assert(origarg != NULL_TREE);
++ origid = NAME(origarg);
++ *argnum = 0;
++ for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN(arg)) {
++ if (!strcmp(origid, NAME(arg)))
++ return true;
++ (*argnum)++;
++ }
++ return false;
++}
++
++static bool skip_types(const_tree var)
++{
++ switch (TREE_CODE(var)) {
++ case ADDR_EXPR:
++#if BUILDING_GCC_VERSION >= 4006
++ case MEM_REF:
++#endif
++ case ARRAY_REF:
++ case BIT_FIELD_REF:
++ case INDIRECT_REF:
++ case TARGET_MEM_REF:
++ case VAR_DECL:
++ return true;
++ default:
++ break;
++ }
++ return false;
++}
++
++static bool walk_phi(struct pointer_set_t *visited, const_tree result)
++{
++ gimple phi = get_def_stmt(result);
++ unsigned int i, n = gimple_phi_num_args(phi);
++
++ if (!phi)
++ return false;
++
++ pointer_set_insert(visited, phi);
++ for (i = 0; i < n; i++) {
++ const_tree arg = gimple_phi_arg_def(phi, i);
++ if (pre_expand(visited, arg))
++ return true;
++ }
++ return false;
++}
++
++static bool walk_unary_ops(struct pointer_set_t *visited, const_tree lhs)
++{
++ gimple def_stmt = get_def_stmt(lhs);
++ const_tree rhs;
++
++ if (!def_stmt)
++ return false;
++
++ rhs = gimple_assign_rhs1(def_stmt);
++ if (pre_expand(visited, rhs))
++ return true;
++ return false;
++}
++
++static bool walk_binary_ops(struct pointer_set_t *visited, const_tree lhs)
++{
++ bool rhs1_found, rhs2_found;
++ gimple def_stmt = get_def_stmt(lhs);
++ const_tree rhs1, rhs2;
++
++ if (!def_stmt)
++ return false;
++
++ rhs1 = gimple_assign_rhs1(def_stmt);
++ rhs2 = gimple_assign_rhs2(def_stmt);
++ rhs1_found = pre_expand(visited, rhs1);
++ rhs2_found = pre_expand(visited, rhs2);
++
++ return rhs1_found || rhs2_found;
++}
++
++static const_tree search_field_decl(const_tree comp_ref)
++{
++ const_tree field = NULL_TREE;
++ unsigned int i, len = TREE_OPERAND_LENGTH(comp_ref);
++
++ for (i = 0; i < len; i++) {
++ field = TREE_OPERAND(comp_ref, i);
++ if (TREE_CODE(field) == FIELD_DECL)
++ break;
++ }
++ gcc_assert(TREE_CODE(field) == FIELD_DECL);
++ return field;
++}
++
++static enum marked mark_status(const_tree fndecl, unsigned int argnum)
++{
++ const_tree attr, p;
++
++ attr = lookup_attribute("intentional_overflow", DECL_ATTRIBUTES(fndecl));
++ if (!attr || !TREE_VALUE(attr))
++ return MARKED_NO;
++
++ p = TREE_VALUE(attr);
++ if (!TREE_INT_CST_LOW(TREE_VALUE(p)))
++ return MARKED_NOT_INTENTIONAL;
++
++ do {
++ if (argnum == TREE_INT_CST_LOW(TREE_VALUE(p)))
++ return MARKED_YES;
++ p = TREE_CHAIN(p);
++ } while (p);
++
++ return MARKED_NO;
++}
++
++static void print_missing_msg(tree func, unsigned int argnum)
++{
++ unsigned int new_hash;
++ size_t len;
++ unsigned char tree_codes[CODES_LIMIT];
++ location_t loc = DECL_SOURCE_LOCATION(func);
++ const char *curfunc = get_asm_name(func);
++
++ len = get_function_decl(func, tree_codes);
++ new_hash = get_hash_num(curfunc, (const char *) tree_codes, len, 0);
++ inform(loc, "Function %s is missing from the size_overflow hash table +%s+%u+%u+", curfunc, curfunc, argnum, new_hash);
++}
++
++static unsigned int search_missing_attribute(const_tree arg)
++{
++ const_tree type = TREE_TYPE(arg);
++ tree func = get_original_function_decl(current_function_decl);
++ unsigned int argnum;
++ const struct size_overflow_hash *hash;
++
++ gcc_assert(TREE_CODE(arg) != COMPONENT_REF);
++
++ if (TREE_CODE(type) == POINTER_TYPE)
++ return 0;
++
++ argnum = find_arg_number(arg, func);
++ if (argnum == 0)
++ return 0;
++
++ if (lookup_attribute("size_overflow", DECL_ATTRIBUTES(func)))
++ return argnum;
++
++ hash = get_function_hash(func);
++ if (!hash || !(hash->param & (1U << argnum))) {
++ print_missing_msg(func, argnum);
++ return 0;
++ }
++ return argnum;
++}
++
++static bool is_already_marked(const_tree lhs)
++{
++ unsigned int argnum;
++ const_tree fndecl;
++
++ argnum = search_missing_attribute(lhs);
++ fndecl = get_original_function_decl(current_function_decl);
++ if (argnum && mark_status(fndecl, argnum) == MARKED_YES)
++ return true;
++ return false;
++}
++
++static bool pre_expand(struct pointer_set_t *visited, const_tree lhs)
++{
++ const_gimple def_stmt;
++
++ if (is_gimple_constant(lhs))
++ return false;
++
++ if (skip_types(lhs))
++ return false;
++
++ if (TREE_CODE(lhs) == PARM_DECL)
++ return is_already_marked(lhs);
++
++ if (TREE_CODE(lhs) == COMPONENT_REF) {
++ const_tree field, attr;
++
++ field = search_field_decl(lhs);
++ attr = lookup_attribute("intentional_overflow", DECL_ATTRIBUTES(field));
++ if (!attr || !TREE_VALUE(attr))
++ return false;
++ return true;
++ }
++
++ def_stmt = get_def_stmt(lhs);
++
++ if (!def_stmt)
++ return false;
++
++ if (pointer_set_contains(visited, def_stmt))
++ return false;
++
++ switch (gimple_code(def_stmt)) {
++ case GIMPLE_NOP:
++ if (TREE_CODE(SSA_NAME_VAR(lhs)) == PARM_DECL)
++ return is_already_marked(lhs);
++ return false;
++ case GIMPLE_PHI:
++ return walk_phi(visited, lhs);
++ case GIMPLE_CALL:
++ case GIMPLE_ASM:
++ return false;
++ case GIMPLE_ASSIGN:
++ switch (gimple_num_ops(def_stmt)) {
++ case 2:
++ return walk_unary_ops(visited, lhs);
++ case 3:
++ return walk_binary_ops(visited, lhs);
++ }
++ default:
++ debug_gimple_stmt((gimple)def_stmt);
++ error("%s: unknown gimple code", __func__);
++ gcc_unreachable();
++ }
++}
++
++static bool search_attributes(tree fndecl, const_tree arg, unsigned int argnum)
++{
++ struct pointer_set_t *visited;
++ bool is_found;
++ enum marked is_marked;
++ location_t loc;
++
++ visited = pointer_set_create();
++ is_found = pre_expand(visited, arg);
++ pointer_set_destroy(visited);
++
++ is_marked = mark_status(fndecl, argnum + 1);
++ if ((is_found && is_marked == MARKED_YES) || is_marked == MARKED_NOT_INTENTIONAL)
++ return true;
++
++ if (is_found) {
++ loc = DECL_SOURCE_LOCATION(fndecl);
++ inform(loc, "The intentional_overflow attribute is missing from +%s+%u+", get_asm_name(fndecl), argnum + 1);
++ return true;
++ }
++ return false;
++}
++
++static void handle_function_arg(gimple stmt, tree fndecl, unsigned int argnum)
++{
++ struct pointer_set_t *visited;
++ tree arg, newarg;
++ bool match;
++
++ match = get_function_arg(&argnum, fndecl);
++ if (!match)
++ return;
++ gcc_assert(gimple_call_num_args(stmt) > argnum);
++ arg = gimple_call_arg(stmt, argnum);
++ if (arg == NULL_TREE)
++ return;
++
++ if (is_gimple_constant(arg))
++ return;
++
++ if (search_attributes(fndecl, arg, argnum))
++ return;
++
++ if (TREE_CODE(arg) != SSA_NAME)
++ return;
++
++ check_arg_type(arg);
++
++ visited = pointer_set_create();
++ newarg = expand(visited, arg);
++ pointer_set_destroy(visited);
++
++ if (newarg == NULL_TREE)
++ return;
++
++ change_function_arg(stmt, arg, argnum, newarg);
++
++ check_size_overflow(stmt, TREE_TYPE(newarg), newarg, arg, BEFORE_STMT);
++}
++
++static void handle_function_by_attribute(gimple stmt, const_tree attr, tree fndecl)
++{
++ tree p = TREE_VALUE(attr);
++ do {
++ handle_function_arg(stmt, fndecl, TREE_INT_CST_LOW(TREE_VALUE(p))-1);
++ p = TREE_CHAIN(p);
++ } while (p);
++}
++
++static void handle_function_by_hash(gimple stmt, tree fndecl)
++{
++ tree orig_fndecl;
++ unsigned int num;
++ const struct size_overflow_hash *hash;
++
++ orig_fndecl = get_original_function_decl(fndecl);
++ if (C_DECL_IMPLICIT(orig_fndecl))
++ return;
++ hash = get_function_hash(orig_fndecl);
++ if (!hash)
++ return;
++
++ for (num = 1; num <= MAX_PARAM; num++)
++ if (hash->param & (1U << num))
++ handle_function_arg(stmt, fndecl, num - 1);
++}
++
++static void set_plf_false(void)
++{
++ basic_block bb;
++
++ FOR_ALL_BB(bb) {
++ gimple_stmt_iterator si;
++
++ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si))
++ gimple_set_plf(gsi_stmt(si), MY_STMT, false);
++ for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si))
++ gimple_set_plf(gsi_stmt(si), MY_STMT, false);
++ }
++}
++
++static unsigned int handle_function(void)
++{
++ basic_block next, bb = ENTRY_BLOCK_PTR->next_bb;
++
++ set_plf_false();
++
++ do {
++ gimple_stmt_iterator gsi;
++ next = bb->next_bb;
++
++ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++ tree fndecl, attr;
++ gimple stmt = gsi_stmt(gsi);
++
++ if (!(is_gimple_call(stmt)))
++ continue;
++ fndecl = gimple_call_fndecl(stmt);
++ if (fndecl == NULL_TREE)
++ continue;
++ if (gimple_call_num_args(stmt) == 0)
++ continue;
++ attr = lookup_attribute("size_overflow", DECL_ATTRIBUTES(fndecl));
++ if (!attr || !TREE_VALUE(attr))
++ handle_function_by_hash(stmt, fndecl);
++ else
++ handle_function_by_attribute(stmt, attr, fndecl);
++ gsi = gsi_for_stmt(stmt);
++ next = gimple_bb(stmt)->next_bb;
++ }
++ bb = next;
++ } while (bb);
++ return 0;
++}
++
++static struct gimple_opt_pass size_overflow_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "size_overflow",
++ .gate = NULL,
++ .execute = handle_function,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = PROP_cfg | PROP_referenced_vars,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow
++ }
++};
++
++static void start_unit_callback(void __unused *gcc_data, void __unused *user_data)
++{
++ tree fntype;
++
++ const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0));
++
++ // void report_size_overflow(const char *loc_file, unsigned int loc_line, const char *current_func, const char *ssa_var)
++ fntype = build_function_type_list(void_type_node,
++ const_char_ptr_type_node,
++ unsigned_type_node,
++ const_char_ptr_type_node,
++ const_char_ptr_type_node,
++ NULL_TREE);
++ report_size_overflow_decl = build_fn_decl("report_size_overflow", fntype);
++
++ DECL_ASSEMBLER_NAME(report_size_overflow_decl);
++ TREE_PUBLIC(report_size_overflow_decl) = 1;
++ DECL_EXTERNAL(report_size_overflow_decl) = 1;
++ DECL_ARTIFICIAL(report_size_overflow_decl) = 1;
++ TREE_THIS_VOLATILE(report_size_overflow_decl) = 1;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ int i;
++ const char * const plugin_name = plugin_info->base_name;
++ const int argc = plugin_info->argc;
++ const struct plugin_argument * const argv = plugin_info->argv;
++ bool enable = true;
++
++ struct register_pass_info size_overflow_pass_info = {
++ .pass = &size_overflow_pass.pass,
++ .reference_pass_name = "ssa",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_AFTER
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ for (i = 0; i < argc; ++i) {
++ if (!strcmp(argv[i].key, "no-size-overflow")) {
++ enable = false;
++ continue;
++ }
++ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &size_overflow_plugin_info);
++ if (enable) {
++ register_callback("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &size_overflow_pass_info);
++ }
++ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
++
++ return 0;
++}
+diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c
+new file mode 100644
+index 0000000..38d2014
+--- /dev/null
++++ b/tools/gcc/stackleak_plugin.c
+@@ -0,0 +1,313 @@
++/*
++ * Copyright 2011 by the PaX Team <pageexec(a)freemail.hu>
++ * Licensed under the GPL v2
++ *
++ * Note: the choice of the license means that the compilation process is
++ * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
++ * but for the kernel it doesn't matter since it doesn't link against
++ * any of the gcc libraries
++ *
++ * gcc plugin to help implement various PaX features
++ *
++ * - track lowest stack pointer
++ *
++ * TODO:
++ * - initialize all local variables
++ *
++ * BUGS:
++ * - none known
++ */
++#include "gcc-plugin.h"
++#include "config.h"
++#include "system.h"
++#include "coretypes.h"
++#include "tree.h"
++#include "tree-pass.h"
++#include "flags.h"
++#include "intl.h"
++#include "toplev.h"
++#include "plugin.h"
++//#include "expr.h" where are you...
++#include "diagnostic.h"
++#include "plugin-version.h"
++#include "tm.h"
++#include "function.h"
++#include "basic-block.h"
++#include "gimple.h"
++#include "rtl.h"
++#include "emit-rtl.h"
++
++extern void print_gimple_stmt(FILE *, gimple, int, int);
++
++int plugin_is_GPL_compatible;
++
++static int track_frame_size = -1;
++static const char track_function[] = "pax_track_stack";
++static const char check_function[] = "pax_check_alloca";
++static bool init_locals;
++
++static struct plugin_info stackleak_plugin_info = {
++ .version = "201203140940",
++ .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n"
++// "initialize-locals\t\tforcibly initialize all stack frames\n"
++};
++
++static bool gate_stackleak_track_stack(void);
++static unsigned int execute_stackleak_tree_instrument(void);
++static unsigned int execute_stackleak_final(void);
++
++static struct gimple_opt_pass stackleak_tree_instrument_pass = {
++ .pass = {
++ .type = GIMPLE_PASS,
++ .name = "stackleak_tree_instrument",
++ .gate = gate_stackleak_track_stack,
++ .execute = execute_stackleak_tree_instrument,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = PROP_gimple_leh | PROP_cfg,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
++ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa
++ }
++};
++
++static struct rtl_opt_pass stackleak_final_rtl_opt_pass = {
++ .pass = {
++ .type = RTL_PASS,
++ .name = "stackleak_final",
++ .gate = gate_stackleak_track_stack,
++ .execute = execute_stackleak_final,
++ .sub = NULL,
++ .next = NULL,
++ .static_pass_number = 0,
++ .tv_id = TV_NONE,
++ .properties_required = 0,
++ .properties_provided = 0,
++ .properties_destroyed = 0,
++ .todo_flags_start = 0,
++ .todo_flags_finish = TODO_dump_func
++ }
++};
++
++static bool gate_stackleak_track_stack(void)
++{
++ return track_frame_size >= 0;
++}
++
++static void stackleak_check_alloca(gimple_stmt_iterator *gsi)
++{
++ gimple check_alloca;
++ tree fntype, fndecl, alloca_size;
++
++ fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE);
++ fndecl = build_fn_decl(check_function, fntype);
++ DECL_ASSEMBLER_NAME(fndecl); // for LTO
++
++ // insert call to void pax_check_alloca(unsigned long size)
++ alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0);
++ check_alloca = gimple_build_call(fndecl, 1, alloca_size);
++ gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT);
++}
++
++static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi)
++{
++ gimple track_stack;
++ tree fntype, fndecl;
++
++ fntype = build_function_type_list(void_type_node, NULL_TREE);
++ fndecl = build_fn_decl(track_function, fntype);
++ DECL_ASSEMBLER_NAME(fndecl); // for LTO
++
++ // insert call to void pax_track_stack(void)
++ track_stack = gimple_build_call(fndecl, 0);
++ gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING);
++}
++
++#if BUILDING_GCC_VERSION == 4005
++static bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
++{
++ tree fndecl;
++
++ if (!is_gimple_call(stmt))
++ return false;
++ fndecl = gimple_call_fndecl(stmt);
++ if (!fndecl)
++ return false;
++ if (DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
++ return false;
++// print_node(stderr, "pax", fndecl, 4);
++ return DECL_FUNCTION_CODE(fndecl) == code;
++}
++#endif
++
++static bool is_alloca(gimple stmt)
++{
++ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA))
++ return true;
++
++#if BUILDING_GCC_VERSION >= 4007
++ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN))
++ return true;
++#endif
++
++ return false;
++}
++
++static unsigned int execute_stackleak_tree_instrument(void)
++{
++ basic_block bb, entry_bb;
++ bool prologue_instrumented = false, is_leaf = true;
++
++ entry_bb = ENTRY_BLOCK_PTR_FOR_FUNCTION(cfun)->next_bb;
++
++ // 1. loop through BBs and GIMPLE statements
++ FOR_EACH_BB(bb) {
++ gimple_stmt_iterator gsi;
++
++ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++ gimple stmt;
++
++ stmt = gsi_stmt(gsi);
++
++ if (is_gimple_call(stmt))
++ is_leaf = false;
++
++ // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450>
++ if (!is_alloca(stmt))
++ continue;
++
++ // 2. insert stack overflow check before each __builtin_alloca call
++ stackleak_check_alloca(&gsi);
++
++ // 3. insert track call after each __builtin_alloca call
++ stackleak_add_instrumentation(&gsi);
++ if (bb == entry_bb)
++ prologue_instrumented = true;
++ }
++ }
++
++ // special cases for some bad linux code: taking the address of static inline functions will materialize them
++ // but we mustn't instrument some of them as the resulting stack alignment required by the function call ABI
++ // will break other assumptions regarding the expected (but not otherwise enforced) register clobbering ABI.
++ // case in point: native_save_fl on amd64 when optimized for size clobbers rdx if it were instrumented here.
++ if (is_leaf && !TREE_PUBLIC(current_function_decl) && DECL_DECLARED_INLINE_P(current_function_decl))
++ return 0;
++ if (is_leaf && !strncmp(IDENTIFIER_POINTER(DECL_NAME(current_function_decl)), "_paravirt_", 10))
++ return 0;
++
++ // 4. insert track call at the beginning
++ if (!prologue_instrumented) {
++ gimple_stmt_iterator gsi;
++
++ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
++ if (dom_info_available_p(CDI_DOMINATORS))
++ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR);
++ gsi = gsi_start_bb(bb);
++ stackleak_add_instrumentation(&gsi);
++ }
++
++ return 0;
++}
++
++static unsigned int execute_stackleak_final(void)
++{
++ rtx insn;
++
++ if (cfun->calls_alloca)
++ return 0;
++
++ // keep calls only if function frame is big enough
++ if (get_frame_size() >= track_frame_size)
++ return 0;
++
++ // 1. find pax_track_stack calls
++ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
++ // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil))
++ rtx body;
++
++ if (!CALL_P(insn))
++ continue;
++ body = PATTERN(insn);
++ if (GET_CODE(body) != CALL)
++ continue;
++ body = XEXP(body, 0);
++ if (GET_CODE(body) != MEM)
++ continue;
++ body = XEXP(body, 0);
++ if (GET_CODE(body) != SYMBOL_REF)
++ continue;
++ if (strcmp(XSTR(body, 0), track_function))
++ continue;
++// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
++ // 2. delete call
++ insn = delete_insn_and_edges(insn);
++#if BUILDING_GCC_VERSION >= 4007
++ if (GET_CODE(insn) == NOTE && NOTE_KIND(insn) == NOTE_INSN_CALL_ARG_LOCATION)
++ insn = delete_insn_and_edges(insn);
++#endif
++ }
++
++// print_simple_rtl(stderr, get_insns());
++// print_rtl(stderr, get_insns());
++// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
++
++ return 0;
++}
++
++int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
++{
++ const char * const plugin_name = plugin_info->base_name;
++ const int argc = plugin_info->argc;
++ const struct plugin_argument * const argv = plugin_info->argv;
++ int i;
++ struct register_pass_info stackleak_tree_instrument_pass_info = {
++ .pass = &stackleak_tree_instrument_pass.pass,
++// .reference_pass_name = "tree_profile",
++ .reference_pass_name = "optimized",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_BEFORE
++ };
++ struct register_pass_info stackleak_final_pass_info = {
++ .pass = &stackleak_final_rtl_opt_pass.pass,
++ .reference_pass_name = "final",
++ .ref_pass_instance_number = 1,
++ .pos_op = PASS_POS_INSERT_BEFORE
++ };
++
++ if (!plugin_default_version_check(version, &gcc_version)) {
++ error(G_("incompatible gcc/plugin versions"));
++ return 1;
++ }
++
++ register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info);
++
++ for (i = 0; i < argc; ++i) {
++ if (!strcmp(argv[i].key, "track-lowest-sp")) {
++ if (!argv[i].value) {
++ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ continue;
++ }
++ track_frame_size = atoi(argv[i].value);
++ if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0)
++ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
++ continue;
++ }
++ if (!strcmp(argv[i].key, "initialize-locals")) {
++ if (argv[i].value) {
++ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
++ continue;
++ }
++ init_locals = true;
++ continue;
++ }
++ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
++ }
++
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_tree_instrument_pass_info);
++ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_final_pass_info);
++
++ return 0;
++}
+diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h
+index 6789d78..4afd019e 100644
+--- a/tools/perf/util/include/asm/alternative-asm.h
++++ b/tools/perf/util/include/asm/alternative-asm.h
+@@ -5,4 +5,7 @@
+
+ #define altinstruction_entry #
+
++ .macro pax_force_retaddr rip=0, reload=0
++ .endm
++
+ #endif
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index d617f69..6b445d2 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -75,7 +75,7 @@ LIST_HEAD(vm_list);
+
+ static cpumask_var_t cpus_hardware_enabled;
+ static int kvm_usage_count = 0;
+-static atomic_t hardware_enable_failed;
++static atomic_unchecked_t hardware_enable_failed;
+
+ struct kmem_cache *kvm_vcpu_cache;
+ EXPORT_SYMBOL_GPL(kvm_vcpu_cache);
+@@ -715,7 +715,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
+ /* We can read the guest memory with __xxx_user() later on. */
+ if (user_alloc &&
+ ((mem->userspace_addr & (PAGE_SIZE - 1)) ||
+- !access_ok(VERIFY_WRITE,
++ !__access_ok(VERIFY_WRITE,
+ (void __user *)(unsigned long)mem->userspace_addr,
+ mem->memory_size)))
+ goto out;
+@@ -2304,7 +2304,7 @@ static void hardware_enable_nolock(void *junk)
+
+ if (r) {
+ cpumask_clear_cpu(cpu, cpus_hardware_enabled);
+- atomic_inc(&hardware_enable_failed);
++ atomic_inc_unchecked(&hardware_enable_failed);
+ printk(KERN_INFO "kvm: enabling virtualization on "
+ "CPU%d failed\n", cpu);
+ }
+@@ -2358,10 +2358,10 @@ static int hardware_enable_all(void)
+
+ kvm_usage_count++;
+ if (kvm_usage_count == 1) {
+- atomic_set(&hardware_enable_failed, 0);
++ atomic_set_unchecked(&hardware_enable_failed, 0);
+ on_each_cpu(hardware_enable_nolock, NULL, 1);
+
+- if (atomic_read(&hardware_enable_failed)) {
++ if (atomic_read_unchecked(&hardware_enable_failed)) {
+ hardware_disable_all_nolock();
+ r = -EBUSY;
+ }
+@@ -2722,7 +2722,7 @@ static void kvm_sched_out(struct preempt_notifier *pn,
+ kvm_arch_vcpu_put(vcpu);
+ }
+
+-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
++int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+ struct module *module)
+ {
+ int r;
+@@ -2785,7 +2785,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+ if (!vcpu_align)
+ vcpu_align = __alignof__(struct kvm_vcpu);
+ kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align,
+- 0, NULL);
++ SLAB_USERCOPY, NULL);
+ if (!kvm_vcpu_cache) {
+ r = -ENOMEM;
+ goto out_free_3;
+@@ -2795,9 +2795,11 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+ if (r)
+ goto out_free;
+
+- kvm_chardev_ops.owner = module;
+- kvm_vm_fops.owner = module;
+- kvm_vcpu_fops.owner = module;
++ pax_open_kernel();
++ *(void **)&kvm_chardev_ops.owner = module;
++ *(void **)&kvm_vm_fops.owner = module;
++ *(void **)&kvm_vcpu_fops.owner = module;
++ pax_close_kernel();
+
+ r = misc_register(&kvm_dev);
+ if (r) {
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IPFire 3.x development tree
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[git.ipfire.org] IPFire 2.x development tree branch, core64, updated. 145f3588120ca2a576af262358bb9266ceff6327
by git＠ipfire.org 11 Nov '12
by git＠ipfire.org 11 Nov '12
11 Nov '12
This is an automated email from the git hooks/post-receive script. It was
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The branch, core64 has been updated
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- Log -----------------------------------------------------------------
commit 145f3588120ca2a576af262358bb9266ceff6327
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sun Nov 11 11:14:22 2012 +0100
core64: add need reboot if outgoingfw is used.
-----------------------------------------------------------------------
Summary of changes:
config/rootfiles/core/64/update.sh | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
Difference in files:
diff --git a/config/rootfiles/core/64/update.sh b/config/rootfiles/core/64/update.sh
index c1e7545..54339ef 100644
--- a/config/rootfiles/core/64/update.sh
+++ b/config/rootfiles/core/64/update.sh
@@ -71,8 +71,10 @@ perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
sync
-# This update need a reboot...
-#touch /var/run/need_reboot
+# This update need a reboot if outgoingfw is used
+if [ -s /var/ipfire/outgoing/rules ]; then
+ touch /var/run/need_reboot
+fi
#
#Finish
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IPFire 2.x development tree
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[git.ipfire.org] IPFire 2.x development tree branch, thirteen, updated. 1d3d1bbc2b7ce6da767069ec90fd5d382fa6fd4f
by git＠ipfire.org 10 Nov '12
by git＠ipfire.org 10 Nov '12
10 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
commit 1d3d1bbc2b7ce6da767069ec90fd5d382fa6fd4f
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 23:10:41 2012 +0100
updater: remove old arm kernel/initrd/modules.
-----------------------------------------------------------------------
Summary of changes:
config/rootfiles/core/65/update.sh | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
Difference in files:
diff --git a/config/rootfiles/core/65/update.sh b/config/rootfiles/core/65/update.sh
index c7cb75d..3ac74e2 100644
--- a/config/rootfiles/core/65/update.sh
+++ b/config/rootfiles/core/65/update.sh
@@ -98,7 +98,9 @@ rm -rf /boot/System.map-*
rm -rf /boot/config-*
rm -rf /boot/ipfirerd-*
rm -rf /boot/vmlinuz-*
-rm -rf /lib/modules/*-ipfire
+rm -rf /boot/uImage-ipfire-*
+rm -rf /boot/uInit-ipfire-*
+rm -rf /lib/modules
#
# Remove old udev rules.
#
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IPFire 2.x development tree
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[git.ipfire.org] IPFire 2.x development tree branch, thirteen, updated. 7a1da02bd94f0b587fc74b59217363239057f8fe
by git＠ipfire.org 10 Nov '12
by git＠ipfire.org 10 Nov '12
10 Nov '12
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- Log -----------------------------------------------------------------
commit 7a1da02bd94f0b587fc74b59217363239057f8fe
Merge: 8b24674 590bdf1
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 22:59:53 2012 +0100
Merge branch 'thirteen' of ssh://git.ipfire.org/pub/git/ipfire-2.x into thirteen
commit 8b246743fa274e016ba2dd8b59b7f7651b8f53fc
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Fri Nov 9 09:55:18 2012 +0100
udev: add missing alsa rules.
-----------------------------------------------------------------------
Summary of changes:
config/rootfiles/common/udev | 1 +
config/udev/25-alsa.rules | 8 ++++++++
lfs/udev | 4 ++++
3 files changed, 13 insertions(+), 0 deletions(-)
create mode 100644 config/udev/25-alsa.rules
Difference in files:
diff --git a/config/rootfiles/common/udev b/config/rootfiles/common/udev
index 0d513f6..bacd0cb 100644
--- a/config/rootfiles/common/udev
+++ b/config/rootfiles/common/udev
@@ -30,6 +30,7 @@ lib/udev
#lib/udev/path_id
#lib/udev/rule_generator.functions
#lib/udev/rules.d
+#lib/udev/rules.d/25-alsa.rules
#lib/udev/rules.d/50-firmware.rules
#lib/udev/rules.d/50-udev-default.rules
#lib/udev/rules.d/60-cdrom_id.rules
diff --git a/config/udev/25-alsa.rules b/config/udev/25-alsa.rules
new file mode 100644
index 0000000..3e930cd
--- /dev/null
+++ b/config/udev/25-alsa.rules
@@ -0,0 +1,8 @@
+# alsa device go in their own subdirectory
+
+KERNEL=="controlC[0-9]*", NAME="snd/%k", GROUP="audio"
+KERNEL=="hw[CD0-9]*", NAME="snd/%k", GROUP="audio"
+KERNEL=="pcm[CD0-9cp]*", NAME="snd/%k", GROUP="audio"
+KERNEL=="midiC[D0-9]*", NAME="snd/%k", GROUP="audio"
+KERNEL=="timer", NAME="snd/%k", GROUP="audio"
+KERNEL=="seq", NAME="snd/%k", GROUP="audio"
diff --git a/lfs/udev b/lfs/udev
index a16ba6f..9ebec2f 100644
--- a/lfs/udev
+++ b/lfs/udev
@@ -97,6 +97,10 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
# Blacklist some modules
cp -vf $(DIR_SRC)/config/udev/blacklist /etc/modprobe.d/blacklist
+ # Install alsa rules.
+ install -v -m 644 $(DIR_SRC)/config/udev/25-alsa.rules \
+ /lib/udev/rules.d
+
# Install codel rules.
install -v -m 644 $(DIR_SRC)/config/udev/99-codel.rules \
/lib/udev/rules.d
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[git.ipfire.org] IPFire 2.x development tree branch, thirteen, updated. 590bdf1b931a7fbede1e65192d824833c852ee5e
by git＠ipfire.org 10 Nov '12
by git＠ipfire.org 10 Nov '12
10 Nov '12
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not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
commit 590bdf1b931a7fbede1e65192d824833c852ee5e
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 22:44:18 2012 +0100
updater: add some sanity checks.
commit 88cb3aa68ec070f7dbb8607e12c29cda08ea8952
Merge: db7a755 6f8891c
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 16:44:40 2012 +0100
Merge remote-tracking branch 'origin/next' into thirteen
-----------------------------------------------------------------------
Summary of changes:
config/rootfiles/core/64/filelists/files | 1 +
config/rootfiles/core/64/update.sh | 2 +-
config/rootfiles/core/65/update.sh | 21 ++++++++++++++++++---
langs/es/cgi-bin/es.pl | 4 ----
langs/pl/cgi-bin/pl.pl | 4 ----
lfs/GeoIP | 4 ++--
make.sh | 2 +-
7 files changed, 23 insertions(+), 15 deletions(-)
Difference in files:
diff --git a/config/rootfiles/core/64/filelists/files b/config/rootfiles/core/64/filelists/files
index a3b99c8..072fc70 100644
--- a/config/rootfiles/core/64/filelists/files
+++ b/config/rootfiles/core/64/filelists/files
@@ -4,3 +4,4 @@ etc/rc.d/init.d/firewall
srv/web/ipfire/cgi-bin/credits.cgi
srv/web/ipfire/cgi-bin/ids.cgi
var/ipfire/outgoing/bin/outgoingfw.pl
+var/ipfire/langs
diff --git a/config/rootfiles/core/64/update.sh b/config/rootfiles/core/64/update.sh
index 00394d1..c1e7545 100644
--- a/config/rootfiles/core/64/update.sh
+++ b/config/rootfiles/core/64/update.sh
@@ -46,7 +46,7 @@ extract_files
#
#Update Language cache
-#perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
+perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
#Rebuild module dep's
#arch=`uname -m`
diff --git a/config/rootfiles/core/65/update.sh b/config/rootfiles/core/65/update.sh
index 5325086..c7cb75d 100644
--- a/config/rootfiles/core/65/update.sh
+++ b/config/rootfiles/core/65/update.sh
@@ -42,6 +42,21 @@ do
done
#
+# Do some sanity checks.
+
+if [ "$(grep " xavf " /opt/pakfire/lib/functions.sh)" == "" ]; then
+ /usr/bin/logger -p syslog.emerg -t core-upgrade-$core \
+ "ERROR: this update need a newer pakfire version (core64)."
+ exit 1
+fi
+if [ ! "$(mount | grep " reiser4 (")" == "" ]; then
+ /usr/bin/logger -p syslog.emerg -t core-upgrade-$core \
+ "ERROR: cannot update because there is a reiser4 fs mounted."
+ exit 2
+fi
+
+#
+#
KVER="3.2.33"
MOUNT=`grep "kernel" /boot/grub/grub.conf | tail -n 1`
# Nur den letzten Parameter verwenden
@@ -195,9 +210,9 @@ echo '/opt/pakfire/pakfire update -y --force' >> /tmp/pak_update
echo '/opt/pakfire/pakfire upgrade -y' >> /tmp/pak_update
echo '/opt/pakfire/pakfire upgrade -y' >> /tmp/pak_update
echo '/opt/pakfire/pakfire upgrade -y' >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-65 "Upgrade finished. If you use a customized grub.cfg"' >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-65 "Check it before reboot !!!"' >> /tmp/pak_update
-echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-65 " *** Please reboot... *** "' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core "Upgrade finished. If you use a customized grub.cfg"' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core "Check it before reboot !!!"' >> /tmp/pak_update
+echo '/usr/bin/logger -p syslog.emerg -t core-upgrade-$core " *** Please reboot... *** "' >> /tmp/pak_update
echo 'touch /var/run/need_reboot ' >> /tmp/pak_update
#
chmod +x /tmp/pak_update
diff --git a/langs/es/cgi-bin/es.pl b/langs/es/cgi-bin/es.pl
index f96284f..365630a 100644
--- a/langs/es/cgi-bin/es.pl
+++ b/langs/es/cgi-bin/es.pl
@@ -1328,14 +1328,10 @@
'ovpn config' => 'Configruación de OVPN',
'ovpn device' => 'Dispositivo OpenVPN',
'ovpn dl' => 'Configuración de descargas OVPN',
-'ovpn errmsg green already pushed' => 'Route for green network is always set',
-'ovpn errmsg invalid ip or mask' => 'Invalid network-address or subnetmask',
'ovpn log' => 'Registro de log de OVPN',
'ovpn on blue' => 'OpenVPN en BLUE',
'ovpn on orange' => 'OpenVPN en ORANGE',
'ovpn on red' => 'OpenVPN en RED',
-'ovpn routes push' => 'Routes (one per line):',
-'ovpn routes push options' => 'Route push options',
'ovpn server status' => 'Status actual del servidor OpenVPN:',
'ovpn subnet' => 'Subred de OpenVPN (ej. 10.0.10.0/255.255.255.0',
'ovpn subnet is invalid' => 'Subred de OpenVPN no es válida.',
diff --git a/langs/pl/cgi-bin/pl.pl b/langs/pl/cgi-bin/pl.pl
index e0d64a0..12439e4 100644
--- a/langs/pl/cgi-bin/pl.pl
+++ b/langs/pl/cgi-bin/pl.pl
@@ -1351,14 +1351,10 @@
'ovpn config' => 'OVPN-Konfig',
'ovpn device' => 'Urządzenie OpenVPN:',
'ovpn dl' => 'Pobierz konfig OVPN',
-'ovpn errmsg green already pushed' => 'Route for green network is always set',
-'ovpn errmsg invalid ip or mask' => 'Invalid network-address or subnetmask',
'ovpn log' => 'Log OVPN',
'ovpn on blue' => 'OpenVPN na int. BLUE',
'ovpn on orange' => 'OpenVPN na int. ORANGE',
'ovpn on red' => 'OpenVPN na int. RED',
-'ovpn routes push' => 'Routes (one per line):',
-'ovpn routes push options' => 'Route push options',
'ovpn server status' => 'Stan serwera OpenVPN:',
'ovpn subnet' => 'Podsieć OpenVPN (np. 10.0.10.0/255.255.255.0)',
'ovpn subnet is invalid' => 'Podsieć OpenVPN jest niepoprawna.',
diff --git a/lfs/GeoIP b/lfs/GeoIP
index 3dd7e6f..68254a7 100644
--- a/lfs/GeoIP
+++ b/lfs/GeoIP
@@ -25,7 +25,7 @@
include Config
VER = 1.17
-DATVER = 02102012
+DATVER = 06112012
THISAPP = Geo-IP-PurePerl-$(VER)
DL_FILE = $(THISAPP).tar.gz
@@ -43,7 +43,7 @@ $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
GeoIP.dat-$(DATVER).gz = $(DL_FROM)/GeoIP.dat-$(DATVER).gz
$(DL_FILE)_MD5 = 42a6b9d4dd2563a20c8998556216e1de
-GeoIP.dat-$(DATVER).gz_MD5 = 371c7ea4a8c8b963594ec3031e798696
+GeoIP.dat-$(DATVER).gz_MD5 = a8677695b0abecb69707ebe2444e64f9
install : $(TARGET)
diff --git a/make.sh b/make.sh
index 278c807..b60723d 100755
--- a/make.sh
+++ b/make.sh
@@ -26,7 +26,7 @@ NAME="IPFire" # Software name
SNAME="ipfire" # Short name
VERSION="2.13" # Version number
CORE="64" # Core Level (Filename)
-PAKFIRE_CORE="63" # Core Level (PAKFIRE)
+PAKFIRE_CORE="64" # Core Level (PAKFIRE)
GIT_BRANCH=`git status | head -n1 | cut -d" " -f4` # Git Branch
SLOGAN="www.ipfire.org" # Software slogan
CONFIG_ROOT=/var/ipfire # Configuration rootdir
hooks/post-receive
--
IPFire 2.x development tree
1
0
[git.ipfire.org] IPFire 3.x development tree branch, master, updated. c1ee9eb8538197f4b4fcb053104bcecaa5080ab4
by git＠ipfire.org 10 Nov '12
by git＠ipfire.org 10 Nov '12
10 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "IPFire 3.x development tree".
The branch, master has been updated
via c1ee9eb8538197f4b4fcb053104bcecaa5080ab4 (commit)
from b5fc1f03aee5960a7f7a4dadd53d3f1d3f0b030e (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit c1ee9eb8538197f4b4fcb053104bcecaa5080ab4
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date: Sat Nov 10 22:18:39 2012 +0100
bwm-ng: Use libstatgrab.
-----------------------------------------------------------------------
Summary of changes:
bwm-ng/bwm-ng.nm | 20 +++++++++++++++++++-
1 files changed, 19 insertions(+), 1 deletions(-)
Difference in files:
diff --git a/bwm-ng/bwm-ng.nm b/bwm-ng/bwm-ng.nm
index d319cc1..24cdfdd 100644
--- a/bwm-ng/bwm-ng.nm
+++ b/bwm-ng/bwm-ng.nm
@@ -5,7 +5,7 @@
name = bwm-ng
version = 0.6
-release = 1
+release = 2
groups = Networking/Statistics
url = http://www.gropp.org/?id=projects&sub=bwm-ng
@@ -20,12 +20,30 @@ source_dl = http://www.gropp.org/bwm-ng/
build
requires
+ libstatgrab-devel
ncurses-devel
end
+
+ configure_options += \
+ --enable-64bit \
+ --enable-netstatbyte \
+ --enable-netstatlink \
+ --with-ncurses \
+ --with-time \
+ --with-getopt_long \
+ --with-getifaddrs \
+ --with-sysctl \
+ --with-procnetdev \
+ --with-libstatgrab \
+ --with-netstatlinux \
+ --without-strip
end
packages
package %{name}
+ requires
+ procps
+ end
end
package %{name}-debuginfo
hooks/post-receive
--
IPFire 3.x development tree
1
0
[git.ipfire.org] IPFire 2.x development tree branch, core64, created. 6f8891ccc776e62448e1e08d3efbada21a8fd447
by git＠ipfire.org 10 Nov '12
by git＠ipfire.org 10 Nov '12
10 Nov '12
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "IPFire 2.x development tree".
The branch, core64 has been created
at 6f8891ccc776e62448e1e08d3efbada21a8fd447 (commit)
- Log -----------------------------------------------------------------
commit 6f8891ccc776e62448e1e08d3efbada21a8fd447
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 16:29:09 2012 +0100
finished core64.
commit b4a91e662d70122da6d22b4136b792ebaa23061b
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 16:28:15 2012 +0100
GeoIP: update database to 6.11.2012.
commit 24510a3563d196586caf9b34fb359e5b60f339cf
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 16:27:51 2012 +0100
core64: add langs to updater and update cache.
commit b5c5e2d84de59abc3a09061b38c4027780383fb6
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date: Sat Nov 10 16:25:54 2012 +0100
langs: remove not translated ovpn strings.
Don't add english strings to other language files!
English will automaticly used if the string is not defined.
-----------------------------------------------------------------------
hooks/post-receive
--
IPFire 2.x development tree
1
0