Hello Peter,
I am happy with this going in, but we should also enable this in user space, too.
I will take care of this and post a patch soon. I don’t think all fits into one update, so I believe we should release this and follow up with the user space whenever suitable.
Best, -Michael
Reviewed-by: Michael Tremer michael.tremer@ipfire.org
On 9 Jul 2023, at 15:55, Peter Müller peter.mueller@ipfire.org wrote:
This became upstream default (see https://www.phoronix.com/news/Linux-IBT-By-Default-Tip for IT news media coverage), and given its security-relevance, we should adopt this setting as well.
Signed-off-by: Peter Müller peter.mueller@ipfire.org
config/kernel/kernel.config.x86_64-ipfire | 2 +- config/rootfiles/common/x86_64/linux | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel.config.x86_64-ipfire index 6c880ca8a..d70a19656 100644 --- a/config/kernel/kernel.config.x86_64-ipfire +++ b/config/kernel/kernel.config.x86_64-ipfire @@ -431,7 +431,7 @@ CONFIG_X86_PAT=y CONFIG_ARCH_USES_PG_UNCACHED=y CONFIG_X86_UMIP=y CONFIG_CC_HAS_IBT=y -# CONFIG_X86_KERNEL_IBT is not set +CONFIG_X86_KERNEL_IBT=y CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS=y CONFIG_X86_INTEL_TSX_MODE_OFF=y # CONFIG_X86_INTEL_TSX_MODE_ON is not set diff --git a/config/rootfiles/common/x86_64/linux b/config/rootfiles/common/x86_64/linux index fb4ea3a6f..6d00654af 100644 --- a/config/rootfiles/common/x86_64/linux +++ b/config/rootfiles/common/x86_64/linux @@ -11318,6 +11318,7 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/X86_INTERNODE_CACHE_SHIFT #lib/modules/KVER-ipfire/build/include/config/X86_IOPL_IOPERM #lib/modules/KVER-ipfire/build/include/config/X86_IO_APIC +#lib/modules/KVER-ipfire/build/include/config/X86_KERNEL_IBT #lib/modules/KVER-ipfire/build/include/config/X86_L1_CACHE_SHIFT #lib/modules/KVER-ipfire/build/include/config/X86_LOCAL_APIC
#lib/modules/KVER-ipfire/build/include/config/X86_MCE
2.35.3