From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 B1E418489 for ; Thu, 14 Nov 2024 00:17:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731543443; cv=none; b=ANGs70P10DxzIORZsYDM3mjFUH4p1+wAKYvrsypGKVKh9CkoTkuD9wozsLfPaAvH3rVX+FwRIRMCzVLyvAL40Ne2H64gx5yNaYK/QmnJu1YavfFvjfWxluDDo28KRAPXqcmjHiPCqEpBBvYVfQK0RMzQxgboQ7fHoRe3dO+LrB4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731543443; c=relaxed/simple; bh=ZkSSM2q5MnFvLgg48mZuk8LBjeJj2H/nYXDhejRCDUU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YyuQlxJN+vs1tCkQasZY/EKNnrXZC7U17Gt+NafsYF6KugBSF6CDXSzwTyUs++Xcwalcw1n8BmVM4BlhnfX89MMOtFn91po5Y9BbTLRGCb1cFbWV7gzggLqVU2eb3EhIJRL24OIDDQE2RlHld0HWgdAQug2PggrwPsZJBGov9Pw= 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=PpQiZIFq; arc=none smtp.client-ip=192.198.163.19 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="PpQiZIFq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731543441; x=1763079441; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZkSSM2q5MnFvLgg48mZuk8LBjeJj2H/nYXDhejRCDUU=; b=PpQiZIFqTNHYl0UAIR5lTYrBCq+k6tM11vioADDRWUBU+LRyd9R+f9cC dDdRJSBF7PT/aUmXXxXJIplJsE9lFq8J9rwwLvSvQShugOm73fCnwUKDY U3vcBI5SvpBWjrmrZUbtRrnfASY3Vl6O998V6JRRI9ZqfyJb3CD9w7ol1 8JvdS6++pwnR5YW/Cm13B520/4Kg3ezrZxiCtVI0vRBHzdX1oIo6Xs+F6 eZxQPzPBGWDPO8iNVpBFQJnrDylk+M4jMHJej4VYcfEc6uGcby49q7Czl PE5xLi8aQXe4YJZFQUaE2J6mokjxTCgIiAV2BN0nbPeNiT7Pbnaiw+hdS g==; X-CSE-ConnectionGUID: oR31pc8TTBGRr1frp+62fw== X-CSE-MsgGUID: NJFgixbtTk2+8MneHynLTA== X-IronPort-AV: E=McAfee;i="6700,10204,11255"; a="30869500" X-IronPort-AV: E=Sophos;i="6.12,152,1728975600"; d="scan'208";a="30869500" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2024 16:17:18 -0800 X-CSE-ConnectionGUID: NCDS9fs3TSWPUjm/p/Xn3w== X-CSE-MsgGUID: LppNAjtBRamNw5SHSe9vWQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,152,1728975600"; d="scan'208";a="92081163" Received: from agluck-desk3.sc.intel.com ([172.25.222.70]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2024 16:17:18 -0800 From: Tony Luck To: Fenghua Yu , Reinette Chatre , Peter Newman , Jonathan Corbet , x86@kernel.org Cc: James Morse , Jamie Iles , Babu Moger , Randy Dunlap , "Shaopeng Tan (Fujitsu)" , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, patches@lists.linux.dev, Tony Luck Subject: [PATCH v9 5/9] x86/resctrl: Relax checks for mba_MBps mount option Date: Wed, 13 Nov 2024 16:17:07 -0800 Message-ID: <20241114001712.80315-6-tony.luck@intel.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241114001712.80315-1-tony.luck@intel.com> References: <20241114001712.80315-1-tony.luck@intel.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This option may be used with any memory bandwidth monitoring event. Signed-off-by: Tony Luck --- arch/x86/kernel/cpu/resctrl/rdtgroup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index a8022bddf9f7..3a89516e6f56 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -2334,7 +2334,7 @@ static bool supports_mba_mbps(void) struct rdt_resource *rmbm = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl; - return (is_mbm_local_enabled() && + return (is_mbm_enabled() && r->alloc_capable && is_mba_linear() && r->ctrl_scope == rmbm->mon_scope); } @@ -2759,7 +2759,7 @@ static int rdt_parse_param(struct fs_context *fc, struct fs_parameter *param) ctx->enable_cdpl2 = true; return 0; case Opt_mba_mbps: - msg = "mba_MBps requires local MBM and linear scale MBA at L3 scope"; + msg = "mba_MBps requires MBM and linear scale MBA at L3 scope"; if (!supports_mba_mbps()) return invalfc(fc, msg); ctx->enable_mba_mbps = true; -- 2.47.0