Re: [PATCH 2/7] x86: Add definitions for the Intel Hardware Feedback Interface
From: Borislav Petkov <bp@alien8.de>
Date: 2021-11-06 10:30:59
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linux-doc, lkml
On Fri, Nov 05, 2021 at 06:33:07PM -0700, Ricardo Neri wrote:
quoted hunk ↗ jump to hunk
Add the CPUID feature bit and the model-specific registers needed to identify and configure the Intel Hardware Feedback Interface. Cc: Andi Kleen <redacted> Cc: Aubrey Li <redacted> Cc: Len Brown <redacted> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Tim Chen <redacted> Cc: "Ravi V. Shankar" <redacted> Signed-off-by: Ricardo Neri <redacted> --- 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.
https://people.kernel.org/tglx/notes-about-netiquette