From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E108637F014 for ; Mon, 28 Sep 2026 22:15:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790633727; cv=none; b=r+85TW0mCBvAKMTVzvicAyIX3He8JpW4NBl/jqw4EulSe827HkmFJp0FbH9MyN4RNIWRKRTzzxBVxd1cnDbdhJac6VI7oNVRBdbsWyurpNNLtIU1kEShXQOTjEtHcJjJoBtndUw5hnyhlxkhv3aHFaJuvLj2weUZNc4uotb3sV0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790633727; c=relaxed/simple; bh=Lt8FCzYvITElzYlBQf+YZR8q+LpXlOQFy5oBI6Gh+Xs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i85f9q8a7qaaDKkYlvX47tj/50O68JyoA5EqNPg+1Vra5WOIaX//uAKl3t5AiQCuChJNijtiOisXpQgvyZho4YOMiywo/LnPxPzAZR2JdZbl9cQN2iQAdOO1PyD38f+bz0El+tzkr4YKmSkfKE4M8ZdWB1H3chJZGIi4hncEVvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=S2SpZugA; arc=none smtp.client-ip=198.175.65.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="S2SpZugA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790633720; x=1822169720; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Lt8FCzYvITElzYlBQf+YZR8q+LpXlOQFy5oBI6Gh+Xs=; b=S2SpZugAIGWuR3ZVS1XuqVqu2vtTSeOIzoPijjhyD7hEtxdXxBMwDJzy fq564KO9+YuD18p2MD194BmYEU59h31qoT+JopUQDeuAnboJO0986CSHs m8fisrE2upNCljx2mFz0CNgn7i97Yd9HyYcjhg1fwdqZTFPyESxersNt0 bUlsmSSVUDhnLMlAOb7P3MC4oj/9krca2xyxEav47OfFMmMJe+4EDdm2w zbcoBzDWsA+YZen8XzJlD265v/xhss45J9QJG3H92u75m+rK6W/o2YNfh OEbAXl0C71vGEYWtU0ZRygdImCYdqnJe8YMjpyduD0lQp0DNv92K80xRO w==; X-CSE-ConnectionGUID: 1k5X5HdUSmGs+0k5kn6M9A== X-CSE-MsgGUID: 5uilumSJRXGPo9GRCT9iDA== X-IronPort-AV: E=McAfee;i="6800,10657,11919"; a="90387171" X-IronPort-AV: E=Sophos;i="6.27,129,1787036400"; d="scan'208";a="90387171" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2026 15:15:18 -0700 X-CSE-ConnectionGUID: awguaEKjTJ+V7Oo64HerHg== X-CSE-MsgGUID: YIJOq/5qTMyUL3pV9EtD7Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,129,1787036400"; d="scan'208";a="274685460" Received: from lstrano-mobl6.amr.corp.intel.com (HELO agluck-desk3.intel.com) ([10.124.222.143]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2026 15:15:16 -0700 From: Tony Luck To: Fenghua Yu , Reinette Chatre , Maciej Wieczor-Retman , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Chen Yu , David E Box , x86@kernel.org Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, patches@lists.linux.dev, Tony Luck Subject: [PATCH v13 02/25] x86/cpufeatures: Add missing CQM feature dependency Date: Mon, 28 Sep 2026 15:14:46 -0700 Message-ID: <20260928221509.68002-3-tony.luck@intel.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260928221509.68002-1-tony.luck@intel.com> References: <20260928221509.68002-1-tony.luck@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Intel Software Developer's Manual says that software must check that CPUID(0x7,0x0).EBX[12] (Linux X86_FEATURE_CQM) is set before checking for monitoring features in CPUID leaf 0xF. Add the missing dependency of X86_FEATURE_CQM_LLC on X86_FEATURE_CQM. Signed-off-by: Tony Luck Reviewed-by: Reinette Chatre --- v13: Added Reinette RB tag --- arch/x86/kernel/cpu/cpuid-deps.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c index 99801e844b30..93d45b688f6c 100644 --- a/arch/x86/kernel/cpu/cpuid-deps.c +++ b/arch/x86/kernel/cpu/cpuid-deps.c @@ -67,6 +67,7 @@ static const struct cpuid_dep cpuid_deps[] = { { X86_FEATURE_AVX512_4FMAPS, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_VPOPCNTDQ, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_VP2INTERSECT, X86_FEATURE_AVX512VL }, + { X86_FEATURE_CQM_LLC, X86_FEATURE_CQM }, { 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 }, -- 2.55.0