Re: [PATCH 01/19] x86/cpufreatures: add AMD CPPC extension feature flag
From: Borislav Petkov <bp@alien8.de>
Date: 2021-09-09 17:58:36
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On Wed, Sep 08, 2021 at 10:59:43PM +0800, Huang Rui wrote:
quoted hunk ↗ jump to hunk
Add Collaborative Processor Performance Control Extension feature flag for AMD processors. Signed-off-by: Huang Rui <ray.huang@amd.com> --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index d0ce5cfd3ac1..f7aea50e3371 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h@@ -313,6 +313,7 @@ #define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ +#define X86_FEATURE_AMD_CPPC_EXT (13*32+27) /* Collaborative Processor Performance Control Extension */
Why not simply X86_FEATURE_AMD_CPPC ?
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Regards/Gruss,
Boris.
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