Re: [PATCH 2/7] x86: Add definitions for the Intel Hardware Feedback Interface

[Borislav Petkov]

On Fri, Nov 05, 2021 at 06:33:07PM -0700, Ricardo Neri wrote:
> Add the CPUID feature bit and the model-specific registers needed to
> identify and configure the Intel Hardware Feedback Interface.
> 
> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> Cc: Aubrey Li <aubrey.li@xxxxxxxxxxxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
> Cc: "Ravi V. Shankar" <ravi.v.shankar@xxxxxxxxx>
> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@xxxxxxxxxxxxxxx>
> ---
>  arch/x86/include/asm/cpufeatures.h | 1 +
>  arch/x86/include/asm/msr-index.h   | 6 ++++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index d0ce5cfd3ac1..d76d8daf1b2b 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -325,6 +325,7 @@
>  #define X86_FEATURE_HWP_ACT_WINDOW	(14*32+ 9) /* HWP Activity Window */
>  #define X86_FEATURE_HWP_EPP		(14*32+10) /* HWP Energy Perf. Preference */
>  #define X86_FEATURE_HWP_PKG_REQ		(14*32+11) /* HWP Package Level Request */
> +#define X86_FEATURE_INTEL_HFI		(14*32+19) /* Hardware Feedback Interface */

X86_FEATURE_HFI

i.e., without the vendor name is perfectly fine.

-- 
Regards/Gruss,
    Boris.

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