On Tue, Jan 23, 2024 at 11:41:01PM -0800, Pawan Gupta wrote: > index 4af140cf5719..79a7e81b9458 100644 > --- a/arch/x86/include/asm/cpufeatures.h > +++ b/arch/x86/include/asm/cpufeatures.h > @@ -308,10 +308,10 @@ > #define X86_FEATURE_SMBA (11*32+21) /* "" Slow Memory Bandwidth Allocation */ > #define X86_FEATURE_BMEC (11*32+22) /* "" Bandwidth Monitoring Event Configuration */ > #define X86_FEATURE_USER_SHSTK (11*32+23) /* Shadow stack support for user mode applications */ > - > #define X86_FEATURE_SRSO (11*32+24) /* "" AMD BTB untrain RETs */ > #define X86_FEATURE_SRSO_ALIAS (11*32+25) /* "" AMD BTB untrain RETs through aliasing */ > #define X86_FEATURE_IBPB_ON_VMEXIT (11*32+26) /* "" Issue an IBPB only on VMEXIT */ > +#define X86_FEATURE_CLEAR_CPU_BUF (11*32+27) /* "" Clear CPU buffers using VERW */ This will need to be rebased. And the "11*32" level is now full in Linus' tree, so this will presumably need to go to a different "level". -- Josh