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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25B05C43217 for ; Thu, 1 Dec 2022 19:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231172AbiLAT5d (ORCPT ); Thu, 1 Dec 2022 14:57:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230321AbiLAT5S (ORCPT ); Thu, 1 Dec 2022 14:57:18 -0500 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D61092A10 for ; Thu, 1 Dec 2022 11:57:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669924638; x=1701460638; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FuioOk9lkJV3UqTyerhKrNp8li4XyFOaJM/neBGnO78=; b=Ze8ep/UlnqH4qh7kzQh7aTefBmzGmkoARBgBLw0MOKm1gd8KzD4I835v dXtkrtAE90m35K2wupMiKpuvnR5hirGjhg+md0zlvfvWP8RswrAKxdhsq i3hnUCvb+RB21QXhyiKlAIIHdHimXi+A3xkZb9ugNVOZZn49ceRHZeXEd RqaXvauAPyL5BzVfTDMTKyJjsea+Qb+mQ5ojq7EVqTBT/Do86sJTsGd6f J36BraxTrr66IY0uwo44E9aV5FKzuwm/UiSfoB4yJu57ZspD89qWWcMRx OPakwsBKPO7J9NPcHjssU15rLbZoGTHC45Exiu/eSBupNiGZzmvldKoHD w==; X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="303391872" X-IronPort-AV: E=Sophos;i="5.96,210,1665471600"; d="scan'208";a="303391872" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2022 11:57:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="708205083" X-IronPort-AV: E=Sophos;i="5.96,210,1665471600"; d="scan'208";a="708205083" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmsmga008.fm.intel.com with ESMTP; 01 Dec 2022 11:57:16 -0800 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, linux-kernel@vger.kernel.org Cc: ak@linux.intel.com, eranian@google.com, irogers@google.com, Kan Liang Subject: [PATCH 4/9] x86/cpufeatures: Add Architectural PerfMon Extension bit Date: Thu, 1 Dec 2022 11:56:59 -0800 Message-Id: <20221201195704.2330866-4-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221201195704.2330866-1-kan.liang@linux.intel.com> References: <20221201195704.2330866-1-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang CPUID.(EAX=07H, ECX=1):EAX[8] indicates whether the Architectural PerfMon Extension leaf (CPUID leaf 23) is supported. The "X86_FEATURE_..., word 12" is already mirrored from CPUID "0x00000007:1 (EAX)". Add X86_FEATURE_ARCH_PERFMON_EXT under the "word 12" section. The new Architectural PerfMon Extension leaf (CPUID leaf 23) will be supported in the perf_events subsystem later. The feature will not appear in /proc/cpuinfo. Signed-off-by: Kan Liang --- 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 b71f4f2ecdd5..9f05a0bb93ca 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -308,6 +308,7 @@ /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */ #define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ +#define X86_FEATURE_ARCH_PERFMON_EXT (12*32+ 8) /* "" Intel Architectural PerfMon Extension */ /* AMD-defined CPU features, CPUID level 0x80000008 (EBX), word 13 */ #define X86_FEATURE_CLZERO (13*32+ 0) /* CLZERO instruction */ -- 2.35.1