From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E0CAC76188 for ; Mon, 22 Jul 2019 08:44:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53BE521E6B for ; Mon, 22 Jul 2019 08:44:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="h2ul/eMb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728646AbfGVIoA (ORCPT ); Mon, 22 Jul 2019 04:44:00 -0400 Received: from terminus.zytor.com ([198.137.202.136]:34357 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727699AbfGVIn7 (ORCPT ); Mon, 22 Jul 2019 04:43:59 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x6M8hr5X3745124 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 22 Jul 2019 01:43:53 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x6M8hr5X3745124 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019071901; t=1563785034; bh=CS1azoszph5hEAVXSC7iyTdwY2pVw8kAHb+rJAfhovw=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=h2ul/eMbOwgT/QTtyeMCLgQGyEZLBPLI793O2tLGn7dr13QZw/ZaT7oBLCSjc821C 9rJPxtLs4UDzR1r65XeF3b9mdJ4YA5fsxqLxiwA3WLJVZUV9EftDLJQL6Ou/lV9gqJ YHricN8LAjqt1OT1t52BCRzPh/b3hftnnSIxsANhGRhCeYS0EQsQBT+cuPgUuGlcxE Nf12Oi6bQoi14+keG6ZFR7RJFoCD9S4zzRUG73JYHR2GaNY0WZPa3cXlVw22JeoO25 wyFebkHQHj3zs9+cxmeVKlxHxa1gHcEiXV3RLAJI0OXvtvEZmhK7PlY7RE6r8yv5Ol nrqx6gtsiwHAA== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x6M8hqN23745120; Mon, 22 Jul 2019 01:43:52 -0700 Date: Mon, 22 Jul 2019 01:43:52 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Gayatri Kammela Message-ID: Cc: mingo@kernel.org, hpa@zytor.com, gayatri.kammela@intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org Reply-To: linux-kernel@vger.kernel.org, tglx@linutronix.de, gayatri.kammela@intel.com, hpa@zytor.com, mingo@kernel.org In-Reply-To: <20190717234632.32673-3-gayatri.kammela@intel.com> References: <20190717234632.32673-3-gayatri.kammela@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/cpu] x86/cpufeatures: Enable a new AVX512 CPU feature Git-Commit-ID: 018ebca8bd704f18d56f8fff38e2c3d76d7d39fb 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 018ebca8bd704f18d56f8fff38e2c3d76d7d39fb Gitweb: https://git.kernel.org/tip/018ebca8bd704f18d56f8fff38e2c3d76d7d39fb Author: Gayatri Kammela AuthorDate: Wed, 17 Jul 2019 16:46:32 -0700 Committer: Thomas Gleixner CommitDate: Mon, 22 Jul 2019 10:38:25 +0200 x86/cpufeatures: Enable a new AVX512 CPU feature Add a new AVX512 instruction group/feature for enumeration in /proc/cpuinfo: AVX512_VP2INTERSECT. CPUID.(EAX=7,ECX=0):EDX[bit 8] AVX512_VP2INTERSECT Detailed information of CPUID bits for this feature can be found in the Intel Architecture Intsruction Set Extensions Programming Reference document (refer to Table 1-2). A copy of this document is available at https://bugzilla.kernel.org/show_bug.cgi?id=204215. Signed-off-by: Gayatri Kammela Signed-off-by: Thomas Gleixner Link: https://lkml.kernel.org/r/20190717234632.32673-3-gayatri.kammela@intel.com --- arch/x86/include/asm/cpufeatures.h | 1 + arch/x86/kernel/cpu/cpuid-deps.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 998c2cc08363..56f53bf3bbbf 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -353,6 +353,7 @@ /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */ #define X86_FEATURE_AVX512_4VNNIW (18*32+ 2) /* AVX-512 Neural Network Instructions */ #define X86_FEATURE_AVX512_4FMAPS (18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */ +#define X86_FEATURE_AVX512_VP2INTERSECT (18*32+ 8) /* AVX-512 Intersect for D/Q */ #define X86_FEATURE_MD_CLEAR (18*32+10) /* VERW clears CPU buffers */ #define X86_FEATURE_TSX_FORCE_ABORT (18*32+13) /* "" TSX_FORCE_ABORT */ #define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */ diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c index 630a9f77fb6b..3cbe24ca80ab 100644 --- a/arch/x86/kernel/cpu/cpuid-deps.c +++ b/arch/x86/kernel/cpu/cpuid-deps.c @@ -64,6 +64,7 @@ static const struct cpuid_dep cpuid_deps[] = { { X86_FEATURE_AVX512_4VNNIW, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_4FMAPS, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_VPOPCNTDQ, X86_FEATURE_AVX512F }, + { X86_FEATURE_AVX512_VP2INTERSECT, X86_FEATURE_AVX512VL }, { X86_FEATURE_CQM_OCCUP_LLC, X86_FEATURE_CQM_LLC }, { X86_FEATURE_CQM_MBM_TOTAL, X86_FEATURE_CQM_LLC }, { X86_FEATURE_CQM_MBM_LOCAL, X86_FEATURE_CQM_LLC },