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Message-ID: <tip-8e5780fdeef7dc490b3f0b3a62704593721fa4f3@git.kernel.org> Date: Thu, 20 Feb 2014 14:19:10 -0800 From: tip-bot for Fenghua Yu <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org, fenghua.yu@...el.com, tglx@...utronix.de, hpa@...ux.intel.com Subject: [tip:x86/cpufeature] x86, AVX-512: AVX-512 Feature Detection Commit-ID: 8e5780fdeef7dc490b3f0b3a62704593721fa4f3 Gitweb: http://git.kernel.org/tip/8e5780fdeef7dc490b3f0b3a62704593721fa4f3 Author: Fenghua Yu <fenghua.yu@...el.com> AuthorDate: Thu, 20 Feb 2014 13:24:50 -0800 Committer: H. Peter Anvin <hpa@...ux.intel.com> CommitDate: Thu, 20 Feb 2014 13:56:55 -0800 x86, AVX-512: AVX-512 Feature Detection AVX-512 is an extention of AVX2. Its spec can be found at: http://download-software.intel.com/sites/default/files/managed/71/2e/319433-017.pdf This patch detects AVX-512 features by CPUID. Signed-off-by: Fenghua Yu <fenghua.yu@...el.com> Link: http://lkml.kernel.org/r/1392931491-33237-1-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com> Cc: <stable@...r.kernel.org> # hw enabling --- arch/x86/include/asm/cpufeature.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index e099f95..5f12968 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -217,9 +217,13 @@ #define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */ #define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */ #define X86_FEATURE_MPX (9*32+14) /* Memory Protection Extension */ +#define X86_FEATURE_AVX512F (9*32+16) /* AVX-512 Foundation */ #define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */ #define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */ #define X86_FEATURE_SMAP (9*32+20) /* Supervisor Mode Access Prevention */ +#define X86_FEATURE_AVX512PF (9*32+26) /* AVX-512 Prefetch */ +#define X86_FEATURE_AVX512ER (9*32+27) /* AVX-512 Exponential and Reciprocal */ +#define X86_FEATURE_AVX512CD (9*32+28) /* AVX-512 Conflict Detection */ /* * BUG word(s) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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