Re: [PATCH v4 05/17] x86/cpufeatures: Enumerate IA32_CORE_CAPABILITIES MSR

Dave Hansen
2019-03-04T18:53:37Z

On 3/1/19 6:44 PM, Fenghua Yu wrote:
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index 6d6122524711..350eeccd0ce9 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -349,6 +349,7 @@
> #define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */
> #define X86_FEATURE_FLUSH_L1D (18*32+28) /* Flush L1D cache */
> #define X86_FEATURE_ARCH_CAPABILITIES (18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */
> +#define X86_FEATURE_CORE_CAPABILITY (18*32+30) /* IA32_CORE_CAPABILITY MSR */
> #define X86_FEATURE_SPEC_CTRL_SSBD (18*32+31) /* "" Speculative Store Bypass Disable */

What does this feature end up looking like in /proc/cpuinfo?