Messages in this thread | | | Subject | Re: [PATCH] x86/cpufeatures: Cleanup AMD speculation feature bits | From | David Woodhouse <> | Date | Fri, 26 Jan 2018 18:45:18 +0000 |
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On Fri, 2018-01-26 at 19:41 +0100, Borislav Petkov wrote: > +#define X86_FEATURE_AMD_IBPB (13*32+12) /* "" Indirect Branch Prediction Barrier MSR */
Stray quotes.
> +#define X86_FEATURE_IBRS (13*32+14) /* Indirect Branch Restricted Speculation */
Please don't call it that. Call it X86_FEATURE_AMD_IBRS and leave X86_FEATURE_IBRS to parallel X86_FEATURE_IBPB as the *software* bit which is vendor-independent. [unhandled content-type:application/x-pkcs7-signature] | |