From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 526864CA29A for ; Wed, 16 Sep 2026 23:13:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789600412; cv=none; b=fyDZN/kHDRvj/VimzcWg4U1/xMmNd6aG7989aZzlAjtfybROl+8WHK4Lr7SrxAZ/pREtnzvlQ7qy0zos74iMmTRP/t5MFuypDJg0pPDs65y1n64DFOx91Fn35uir5IrhF36aZikTYQ4BpWAiQvvvtTDMmjdD9pOW63zkBH2MFqo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789600412; c=relaxed/simple; bh=XCX+SCuVuGGp2hSn0gORTZORy11446xuO1qh/nEZE9U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S2nuvNQzVDqQjIWxXYgOCraCNVhnHlkoRfX1elhJx8C9RLQBQek2J63D+CMD+CM85OAHMBtQ19AiqGgszge6R2hgV1JSezMwLirAL7AqNKTMTvqtyWnir9ezV2ntViHlIdRzozpDf0N68Vs3gMxSd6fVCAJcz+XbmKkuraIa7KY= 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=d28sS7u6; arc=none smtp.client-ip=198.175.65.14 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="d28sS7u6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789600412; x=1821136412; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XCX+SCuVuGGp2hSn0gORTZORy11446xuO1qh/nEZE9U=; b=d28sS7u6Pk1iavkKzJr3gTemDLdhy/l4ORUSDZrNxiDSHOrgcAxeGp1b /aGqv+oJEkG1uSa3c4it94xa7ZsrtUutknySPK+q0Mjk7tc8oEtHZffBx /nd6L4pDuOmVL3y5V8VlHxtgi9MRMMSbk0ZNiL2J9CPpzXJpj+ddacfCc ybtJtUDdTZeDE1cLbsDltRJqQo7F3xwyIKpgkQ0g6uf6UM9o3/67R2x8U lW80nkLHEQcNeEqylsi/wX4pCn9ff9aPE8ilzFYxDALoMSYM0V/Az13f7 BbBB9i927EsjBcC+Ygy0fW5SEyDRU7qhXqY6mzRlsx9iyBSu6K5j4IFdL g==; X-CSE-ConnectionGUID: 4ZVRN7mhTYKyacaCTOrgIQ== X-CSE-MsgGUID: wlir2tCJSW61XIgpxpsfXQ== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="93861316" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="93861316" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 16:13:30 -0700 X-CSE-ConnectionGUID: hQxGxMWMRne8pqCNZzK7mQ== X-CSE-MsgGUID: +ni1n5YoRyyxBmVVEGwSYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="277231420" Received: from khuang2-desk.gar.corp.intel.com (HELO agluck-desk3.home.arpa) ([10.124.223.219]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 16:13:30 -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 v12 01/25] x86/cpufeatures: Add missing CQM feature dependency Date: Wed, 16 Sep 2026 16:12:56 -0700 Message-ID: <20260916231320.14502-2-tony.luck@intel.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260916231320.14502-1-tony.luck@intel.com> References: <20260916231320.14502-1-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 --- v12: Drop the X86_FEATURE renames. Just add the missing dependency. --- 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