From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752894AbaBTWTa (ORCPT ); Thu, 20 Feb 2014 17:19:30 -0500 Received: from terminus.zytor.com ([198.137.202.10]:45119 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750954AbaBTWT2 (ORCPT ); Thu, 20 Feb 2014 17:19:28 -0500 Date: Thu, 20 Feb 2014 14:19:10 -0800 From: tip-bot for Fenghua Yu Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, fenghua.yu@intel.com, tglx@linutronix.de, hpa@linux.intel.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, fenghua.yu@intel.com, tglx@linutronix.de, hpa@linux.intel.com In-Reply-To: <1392931491-33237-1-git-send-email-fenghua.yu@intel.com> References: <1392931491-33237-1-git-send-email-fenghua.yu@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/cpufeature] x86, AVX-512: AVX-512 Feature Detection Git-Commit-ID: 8e5780fdeef7dc490b3f0b3a62704593721fa4f3 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 8e5780fdeef7dc490b3f0b3a62704593721fa4f3 Gitweb: http://git.kernel.org/tip/8e5780fdeef7dc490b3f0b3a62704593721fa4f3 Author: Fenghua Yu AuthorDate: Thu, 20 Feb 2014 13:24:50 -0800 Committer: H. Peter Anvin 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 Link: http://lkml.kernel.org/r/1392931491-33237-1-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin Cc: # 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)