Message ID | 20230928191350.205703-6-tony.luck@intel.com |
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State | New |
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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id w29-20020a63935d000000b00564274c2947si2336631pgm.637.2023.09.29.15.02.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 15:02:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=jrXQzhtD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 66910831337B; Thu, 28 Sep 2023 12:14:28 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232191AbjI1TOP (ORCPT <rfc822;pwkd43@gmail.com> + 21 others); Thu, 28 Sep 2023 15:14:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231925AbjI1TOF (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Thu, 28 Sep 2023 15:14:05 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C17219F; Thu, 28 Sep 2023 12:14:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695928444; x=1727464444; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=SnEmTSRpqMnt7CEuYlf9Sv/kATyxfsRrWWBykdECv8A=; b=jrXQzhtDGETtVcR9ndmTJf5/XMT6vGogDdb3pwF7iEI20LitlXyGlBVB Q5FTh7TPV75TUuvrloxMmA9WfVP66JukAprqew/Qp8bGWHwz8xtjzIKtK 5pEwoGp9tcwWHbqyQSMe97fBYjS4oLGqrYbJQYexXHc+MtcgvhkGI4kZq JVbZAVIyZWYLMrqzFkxGW2ZiRdUF9+p9Fr9bvmL1XmvUFhD/nLqDRmVcU qbEqtleX/aC7EvgFQFOBYtfW6zZxrSrtS4KnZGg/mqzrT3ZwpsA5UPAY7 WO9myZksU7fsa21Q8kocooYy70/eYFZ0b7f1ns0hysVGoJOVobpLNQyjj w==; X-IronPort-AV: E=McAfee;i="6600,9927,10847"; a="367213934" X-IronPort-AV: E=Sophos;i="6.03,185,1694761200"; d="scan'208";a="367213934" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2023 12:14:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10847"; a="779020036" X-IronPort-AV: E=Sophos;i="6.03,185,1694761200"; d="scan'208";a="779020036" Received: from agluck-desk3.sc.intel.com ([172.25.222.74]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2023 12:14:00 -0700 From: Tony Luck <tony.luck@intel.com> To: Fenghua Yu <fenghua.yu@intel.com>, Reinette Chatre <reinette.chatre@intel.com>, Peter Newman <peternewman@google.com>, Jonathan Corbet <corbet@lwn.net>, Shuah Khan <skhan@linuxfoundation.org>, x86@kernel.org Cc: Shaopeng Tan <tan.shaopeng@fujitsu.com>, James Morse <james.morse@arm.com>, Jamie Iles <quic_jiles@quicinc.com>, Babu Moger <babu.moger@amd.com>, Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, patches@lists.linux.dev, Tony Luck <tony.luck@intel.com> Subject: [PATCH v6 5/8] x86/resctrl: Add node-scope to the options for feature scope Date: Thu, 28 Sep 2023 12:13:46 -0700 Message-ID: <20230928191350.205703-6-tony.luck@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230928191350.205703-1-tony.luck@intel.com> References: <20230829234426.64421-1-tony.luck@intel.com> <20230928191350.205703-1-tony.luck@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Thu, 28 Sep 2023 12:14:28 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778054133068408317 X-GMAIL-MSGID: 1778411068713455824 |
Series |
Add support for Sub-NUMA cluster (SNC) systems
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Commit Message
Luck, Tony
Sept. 28, 2023, 7:13 p.m. UTC
Currently supported resctrl features are all domain scoped the same as the
scope of the L2 or L3 caches.
Add RESCTRL_NODE as a new option for features that are scoped at the
same granularity as NUMA nodes. This is needed for Intel's Sub-NUMA
Cluster (SNC) feature where monitoring features are node scoped.
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
Changes since v5:
Updates to commit message.
include/linux/resctrl.h | 1 +
arch/x86/kernel/cpu/resctrl/core.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h index 1c925e3db2ea..18ed787f9798 100644 --- a/include/linux/resctrl.h +++ b/include/linux/resctrl.h @@ -165,6 +165,7 @@ struct resctrl_schema; enum resctrl_scope { RESCTRL_L2_CACHE = 2, RESCTRL_L3_CACHE = 3, + RESCTRL_NODE, }; /** diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 726f00c01079..e61bf919ac78 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -511,6 +511,8 @@ static int get_domain_id_from_scope(int cpu, enum resctrl_scope scope) case RESCTRL_L2_CACHE: case RESCTRL_L3_CACHE: return get_cpu_cacheinfo_id(cpu, scope); + case RESCTRL_NODE: + return cpu_to_node(cpu); default: break; }