[PATCH] Kernel: Mitigate Straight-Line-Speculation on x86_64

See https://lwn.net/Articles/877845/ for the rationale behind this. The feature is currently only available on the x86_64 platform.

Signed-off-by: Peter Müller peter.mueller@ipfire.org --- config/kernel/kernel.config.x86_64-ipfire | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel.config.x86_64-ipfire index b84698235..b88390314 100644 --- a/config/kernel/kernel.config.x86_64-ipfire +++ b/config/kernel/kernel.config.x86_64-ipfire @@ -322,6 +322,8 @@ CONFIG_X86_X2APIC=y CONFIG_X86_MPPARSE=y # CONFIG_GOLDFISH is not set CONFIG_RETPOLINE=y +CONFIG_CC_HAS_SLS=y +CONFIG_SLS=y # CONFIG_X86_CPU_RESCTRL is not set CONFIG_X86_EXTENDED_PLATFORM=y # CONFIG_X86_VSMP is not set