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 C5BDBC433FE for ; Fri, 4 Nov 2022 20:02:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229832AbiKDUCa (ORCPT ); Fri, 4 Nov 2022 16:02:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229733AbiKDUBt (ORCPT ); Fri, 4 Nov 2022 16:01:49 -0400 Received: from NAM04-DM6-obe.outbound.protection.outlook.com (mail-dm6nam04on2077.outbound.protection.outlook.com [40.107.102.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65EED4D5C3; Fri, 4 Nov 2022 13:01:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fJ2m/+BEZY5+vQF+kIpddnbkR8WDjpN+S3i0mDkXwLt0kOxvTIurNNVjhnNZvwegajhm2R9bhxwhVH1Tr0eMbiaNaHJczWVJR0sMnjdfOEb/KWS6dCgYyGBHBhxPZZDkjyICIF9juYKoC0T5KgGM81uJ4Y2Oef6/8pTDWJ21+zH/1y0u63v9sfzU6D1a7y2N5hDJLxhQ5+oq4xEKI3fZltIvvy/7RkpgLC2ibE7wJBL9oKjvuqDCXS+ta6cWPM4JFTqUam1tsgePgF5UBCvo39Dfe0bQ/cikbyB2n+HmaT71Oc/c7huF0M6Oif+CHcOrDXpby5jbVD62MYAW6KZ50Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=4Zet5DKiEM4lCLt7BH9iSf59T7ygIwURNyOBh4jTAdo=; b=Gl81TEqDGP4CFDY1RiXgFWTX3DYnr2Lu1NF5kKWL9MUpesbPSyLFKp5oU9FVnCJE2xRJeflchqDrSBUmyH3qV80QGpmkuKnBEjouDYOD6nbePhoXCaTAWGwgep+tvYV3MKB/nwJUuxe7T5hhPKTYQ59Ost1hTv87pNfEmcNUSXSoBW4skHTtsvTanb8/ZzIDRsUNLxFJMu2mLAKtRxleejCE5ZdWGEsPYmZvk7EW1kW9ne9gqizpfvNDUoa7YA6BovY41jnbbDJAxo1P6/6YbcqT1JKRWa6U3/KFcHD7QL7NDRXlujvB2GClfx6U/2XjjAzo2bX11uPDTGNHj0a3YA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=quicinc.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=4Zet5DKiEM4lCLt7BH9iSf59T7ygIwURNyOBh4jTAdo=; b=P89rJWN9Vkm5ucEQT0JXCxLInNaWv9FKUvFvd/0iADKKFBW2tse9vtkM9ROC9CXGSBWgmQ0vIp7stp7UpQA+eqBap6brf7JFiUEBT9mcn++hU2MRbLPUDn1YJOIM+KRfwKvjb+le2G2ZLQa7L7IRZXCYo2jxZewZiXea3Pucl8g= Received: from DM6PR21CA0014.namprd21.prod.outlook.com (2603:10b6:5:174::24) by DS7PR12MB6264.namprd12.prod.outlook.com (2603:10b6:8:94::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5791.20; Fri, 4 Nov 2022 20:01:25 +0000 Received: from DM6NAM11FT018.eop-nam11.prod.protection.outlook.com (2603:10b6:5:174:cafe::99) by DM6PR21CA0014.outlook.office365.com (2603:10b6:5:174::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5813.8 via Frontend Transport; Fri, 4 Nov 2022 20:01:25 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT018.mail.protection.outlook.com (10.13.172.110) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5791.20 via Frontend Transport; Fri, 4 Nov 2022 20:01:25 +0000 Received: from [127.0.1.1] (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 4 Nov 2022 15:01:23 -0500 Subject: [PATCH v8 12/13] x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask() From: Babu Moger To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , Date: Fri, 4 Nov 2022 15:01:22 -0500 Message-ID: <166759208296.3281208.13284924391643463358.stgit@bmoger-ubuntu> In-Reply-To: <166759188265.3281208.11769277079826754455.stgit@bmoger-ubuntu> References: <166759188265.3281208.11769277079826754455.stgit@bmoger-ubuntu> User-Agent: StGit/1.1.dev103+g5369f4c MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT018:EE_|DS7PR12MB6264:EE_ X-MS-Office365-Filtering-Correlation-Id: 012c4d51-8086-4bd5-130c-08dabe9f5a85 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: K9WQqLMErbsClgKaCRwSxSdDJKHwRGhBOEJSbC9ATEuv+LaZiN0eS1vlUpPFeRksEkE9IpTA2YgKvPEtxkj0ONw/yt+jxvxvUgZiHWrfH95unz6SuKFlN1mHOLzokyv9Sm9XRVetCsRNPA5H2l5wav9vDkX5nnD0lOxYqdWFpc05/g97Ltu73eKGC7CkICCh+2hqUVLgcHAu0VmkAr+BXJOVfDgt8uhqKpr2uyWqzkMVm4SOL2iOEui7anjRZTT59JHznrC5UhggSS5EVFbvXVKlXmJotiVjRQDBFUsw4Pp24vT6alqvZ7iJekSDzb2id1HiioZ8n5nYSyAa4gpRs5bxSU00bUbo3PlGs3HXgRYT6ag0M9N8Yr8C2Ggsp3KfKPAJK+ee37LJbBpfcixEGfsenF+y3yLuCo5fx+FCuMQlOLpdq5CcHenazc3GjXGFx7AuruN8VmdfUuh5umtfsSGsuJ2Jo+ArXuapbymypi7cBUGuyu0lvUR4hrwJjQifjC4XooFzd6hVqNsvJO56QIrNDAtFbpcnu5WRvxuf4o3D/QI6S/k2RgQPhqtVaE+9WmnTYUhBNdqfiKWtKkrpZ4+V2ZrD1CC7m/pK1mi6z9pZvXam4AxWW7OiTHZhzeVMhfzogcZpXzMHU7BapFP+KXTDORvc/yZT7LARFjeakUZDGalt+t0ZOuowIG1V+sa1111Tq7R5ZHPVtegfhZCrXmuHBt7Kgt45I0BPERfNDkVQ0eOmNf3ipjqwop2akOtGXleDA/xE3eWjuVOXQ/AmF2qcWDGMux7CC7nWnJPeD5ce9+hb1Dh8rGWW1k36JATxncLkCWH8rG4ii+NJ+9w3cw== X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(7916004)(136003)(396003)(346002)(39860400002)(376002)(451199015)(36840700001)(40470700004)(46966006)(41300700001)(83380400001)(26005)(8936002)(5660300002)(2906002)(44832011)(186003)(9686003)(336012)(426003)(16526019)(7416002)(40460700003)(47076005)(82740400003)(86362001)(103116003)(82310400005)(33716001)(36860700001)(81166007)(356005)(40480700001)(54906003)(316002)(16576012)(4326008)(478600001)(110136005)(70586007)(8676002)(70206006)(71626007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Nov 2022 20:01:25.3313 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 012c4d51-8086-4bd5-130c-08dabe9f5a85 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT018.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6264 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The call on_each_cpu_mask() can run the function on each CPU specified=0A= by cpumask, which may include the local processor. So, replace the call=0A= smp_call_function_many() with on_each_cpu_mask() to simplify the code.=0A= =0A= Signed-off-by: Babu Moger =0A= ---=0A= arch/x86/kernel/cpu/resctrl/rdtgroup.c | 29 ++++++++--------------------= -=0A= 1 file changed, 8 insertions(+), 21 deletions(-)=0A= =0A= diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/r= esctrl/rdtgroup.c=0A= index f37ecc16b34b..6b222f8e58ae 100644=0A= --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c=0A= +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c=0A= @@ -325,12 +325,7 @@ static void update_cpu_closid_rmid(void *info)=0A= static void=0A= update_closid_rmid(const struct cpumask *cpu_mask, struct rdtgroup *r)=0A= {=0A= - int cpu =3D get_cpu();=0A= -=0A= - if (cpumask_test_cpu(cpu, cpu_mask))=0A= - update_cpu_closid_rmid(r);=0A= - smp_call_function_many(cpu_mask, update_cpu_closid_rmid, r, 1);=0A= - put_cpu();=0A= + on_each_cpu_mask(cpu_mask, update_cpu_closid_rmid, r, 1);=0A= }=0A= =0A= static int cpus_mon_write(struct rdtgroup *rdtgrp, cpumask_var_t newmask,= =0A= @@ -2130,13 +2125,9 @@ static int set_cache_qos_cfg(int level, bool enable)= =0A= /* Pick one CPU from each domain instance to update MSR */=0A= cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask);=0A= }=0A= - cpu =3D get_cpu();=0A= - /* Update QOS_CFG MSR on this cpu if it's in cpu_mask. */=0A= - if (cpumask_test_cpu(cpu, cpu_mask))=0A= - update(&enable);=0A= - /* Update QOS_CFG MSR on all other cpus in cpu_mask. */=0A= - smp_call_function_many(cpu_mask, update, &enable, 1);=0A= - put_cpu();=0A= +=0A= + /* Update QOS_CFG MSR on all the CPUs in cpu_mask */=0A= + on_each_cpu_mask(cpu_mask, update, &enable, 1);=0A= =0A= free_cpumask_var(cpu_mask);=0A= =0A= @@ -2613,7 +2604,7 @@ static int reset_all_ctrls(struct rdt_resource *r)=0A= struct msr_param msr_param;=0A= cpumask_var_t cpu_mask;=0A= struct rdt_domain *d;=0A= - int i, cpu;=0A= + int i;=0A= =0A= if (!zalloc_cpumask_var(&cpu_mask, GFP_KERNEL))=0A= return -ENOMEM;=0A= @@ -2634,13 +2625,9 @@ static int reset_all_ctrls(struct rdt_resource *r)= =0A= for (i =3D 0; i < hw_res->num_closid; i++)=0A= hw_dom->ctrl_val[i] =3D r->default_ctrl;=0A= }=0A= - cpu =3D get_cpu();=0A= - /* Update CBM on this cpu if it's in cpu_mask. */=0A= - if (cpumask_test_cpu(cpu, cpu_mask))=0A= - rdt_ctrl_update(&msr_param);=0A= - /* Update CBM on all other cpus in cpu_mask. */=0A= - smp_call_function_many(cpu_mask, rdt_ctrl_update, &msr_param, 1);=0A= - put_cpu();=0A= +=0A= + /* Update CBM on all the CPUs in cpu_mask */=0A= + on_each_cpu_mask(cpu_mask, rdt_ctrl_update, &msr_param, 1);=0A= =0A= free_cpumask_var(cpu_mask);=0A= =0A= =0A=