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Message-Id: <20140504154037.711981794@linuxfoundation.org> Date: Sun, 4 May 2014 11:39:26 -0400 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>, "H. Peter Anvin" <hpa@...ux.intel.com> Subject: [PATCH 3.14 057/158] x86, AVX-512: AVX-512 Feature Detection 3.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fenghua Yu <fenghua.yu@...el.com> commit 8e5780fdeef7dc490b3f0b3a62704593721fa4f3 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/x86/include/asm/cpufeature.h | 4 ++++ 1 file changed, 4 insertions(+) --- 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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