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 38273CA0EC3 for ; Mon, 11 Sep 2023 22:24:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240651AbjIKWWY (ORCPT ); Mon, 11 Sep 2023 18:22:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243839AbjIKR6b (ORCPT ); Mon, 11 Sep 2023 13:58:31 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A57ADE0; Mon, 11 Sep 2023 10:58:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694455106; x=1725991106; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=kC/vBkk3eTWW5McEjiiuPdirLljZAi6W1e8KlhZbA0o=; b=H20z29iRVe0IaC+6Hl8RPsRyTZout1gkEoDZOF/lPwxfrRYBxW/SHl1z Ng04qiIp9M3rTD+Fo8/LAAZtPVIioA5n5naaq5y0YmiGreIqOvTo2M+iO ukwl9WSbqq+qlV6TM4Qe9OM/I1tWUwriPSE0Upk4eWw9pqU7kdOCVgrHj SNEboUTW+Ltyv1Jr8zUQFGwmTBPzoP57w/6hfeMH+Mjc+SQgd+P2jxntu vr8y4eGO34kadqg64matzD0cL7hM/WPseS8Y0aDe/+YL6Pi/00b7FByW5 mt3WPreABHtPgrV3R/ay2vDP9m72cNQ7KOLXZ/q2wUOVtomj2SkPE0wV7 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10830"; a="378070731" X-IronPort-AV: E=Sophos;i="6.02,244,1688454000"; d="scan'208";a="378070731" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Sep 2023 10:58:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10830"; a="990198940" X-IronPort-AV: E=Sophos;i="6.02,244,1688454000"; d="scan'208";a="990198940" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by fmsmga006.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 11 Sep 2023 10:58:19 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Mon, 11 Sep 2023 10:58:19 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Mon, 11 Sep 2023 10:58:18 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32 via Frontend Transport; Mon, 11 Sep 2023 10:58:18 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (104.47.59.169) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.32; Mon, 11 Sep 2023 10:58:18 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=T/i/7UniAK36Y4yic1Y6J2L1N8KEpxJABAZ21op08hsbSBkqenc/UigSFJMXlA5vdimU7uEIedjlLLZclksk4JsEd2DwLHsFrz6a/WdR0qEVAujEvGQsGXR/kqyhUZbZ7lvP+Ryb/hEZnJ8bGVhVdeh2n+UuXgS8mOdwvYaOuvANv+PkVlfhTJ6EXCXtP4UzeeJ3Fn66ETij/OdJjYkYox1bFjeGtpct4IxmO6NrZ1jKixLP9tn+8md0MvUM0FoLYt9gGZo9TJJRGmKsN9RZlIRkn3mAYsd3eeFTEJ5nkX4aLHxyIhH0h2kb6ZwZftUpAHCj2akLF2bD4rNxmLtC7g== 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=GSrNFS0FqM9N8SfnAsCFZ6eyE685aq4iZWrqfA4LGdk=; b=HKu02+2Y2mXhpADb0DhkuEiE5S98G6jzU3Gh3/2GqxiV77bhg2SJCeMfNEjNhIQDFfH0yETqtUdOdupsqOEDHa//151Aq9muBhUiIjnEJvmsu7MKD9sNwPG+YDb4teB+FB24bLb1EA7s96Xp+X7t8eW0jQzEGA7rXiGFTmajUTxaKwaRHB89B17OSzYDItNxD5o5SPSwQcXS7iZg2d6Z0yLxcaje5Ysn6sH2Sck+aJV88YE+F7n0wtPUBgk1JS19ye86Y7WniTxEeEZUrYiMOAx9+KhzO7jMuF4F+2WXTKy10pV9yX9PzIQjq4lxLU42qfO3PXRRmTHm/Os+gn8L+w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from IA1PR11MB6097.namprd11.prod.outlook.com (2603:10b6:208:3d7::17) by CO1PR11MB4834.namprd11.prod.outlook.com (2603:10b6:303:90::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.35; Mon, 11 Sep 2023 17:58:16 +0000 Received: from IA1PR11MB6097.namprd11.prod.outlook.com ([fe80::7109:4aa5:6a6d:c3d4]) by IA1PR11MB6097.namprd11.prod.outlook.com ([fe80::7109:4aa5:6a6d:c3d4%5]) with mapi id 15.20.6768.036; Mon, 11 Sep 2023 17:58:16 +0000 Message-ID: <84f04d1e-0715-d765-4bb7-e1a1d8616fce@intel.com> Date: Mon, 11 Sep 2023 10:58:19 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.11.0 Subject: Re: [PATCH v9 6/9] x86/resctrl: Move default group file creation to mount Content-Language: en-US To: Babu Moger , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20230907235128.19120-1-babu.moger@amd.com> <20230907235128.19120-7-babu.moger@amd.com> From: Fenghua Yu In-Reply-To: <20230907235128.19120-7-babu.moger@amd.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BY5PR13CA0027.namprd13.prod.outlook.com (2603:10b6:a03:180::40) To IA1PR11MB6097.namprd11.prod.outlook.com (2603:10b6:208:3d7::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR11MB6097:EE_|CO1PR11MB4834:EE_ X-MS-Office365-Filtering-Correlation-Id: 61103eda-e925-4f71-b5e1-08dbb2f0ac64 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:IA1PR11MB6097.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39860400002)(346002)(136003)(366004)(376002)(396003)(451199024)(1800799009)(186009)(5660300002)(4326008)(41300700001)(66946007)(316002)(66476007)(44832011)(31686004)(8676002)(8936002)(66556008)(31696002)(36756003)(478600001)(53546011)(7406005)(6486002)(7416002)(4744005)(2906002)(86362001)(2616005)(83380400001)(6506007)(26005)(38100700002)(6512007)(82960400001)(45980500001)(43740500002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?WUovVFhpS0Q4UFNCSEVTQ0FUTEdFc0RtYmpMQW9qL09KdUF3VDZkeDlwdzlZ?= =?utf-8?B?SzhHclpKS2JGWFdXTmxZU0I1MGg4ZGc5cy9PamlKK1d4dTNoZUh5Yk5uNld2?= =?utf-8?B?bzdueWNMZnQ3UEJMZ1lxNnhWeHExUkNCeENNbWVXNGRDYzZkdGxlaEtMY1VO?= =?utf-8?B?OG13enAvNkM3YUxiOWQyTEN2MEpIeTdjZkJwN0U3K1hXdmNCdkhpRktvMVZa?= =?utf-8?B?ZWdiZ0RlR1ZDSFIyY1RkY0pUQTYyMGlvY0tIbEJ3YjRKalhyUEZLdnE3S2hm?= =?utf-8?B?S1Z2bEZhcWhMclh2TVIydFlCSDZkam44K05pb2pVWFlmcEYyd1VPTGZqaHVo?= =?utf-8?B?TnNpdXJCVDJBVVZIekxrbzY1SzNBUEFQVEdoUjNaenVaMHd6ei9hemxZSU1V?= =?utf-8?B?V0ZzV1RxV3Y4QzNhZlgrb1BHdWFPdTJxRVNoQUxXdHVXemJSNUJTQVFuZ1Rt?= =?utf-8?B?ZXErblQxVWZNL3pmNm1LR255dzBlUk51UGlCZFNsZ2tyWTlrd3dwRXF5ODB0?= =?utf-8?B?clpPcFp4V255NXAwREZaYllUUmNNOEJGZGt0SHNzTTUwb2JCQko4TC8wUGVk?= =?utf-8?B?cjhyaGJFdXpvQmROY2k5bDBhNzZwQ3cwd1pFV3ppYVRYNzN6Q3dmT09OUlVG?= =?utf-8?B?Nnh4Q1NYaFQxOHN3TEVCU1VKQ0IyK2wwTjR2MHdCSXVFUFRzVjZQcDl1djdh?= =?utf-8?B?YjQ5QzN3c3ZzeEJwa1huN3JESkZQWFhQdmExMG9tYWpBaEVaZzhsM2VmUzB4?= =?utf-8?B?RCtkSW52Zm5YKzNpczdreDNGYVQ5dlVjUVIrU09UYUNpNjF6eDMzMzROalFV?= =?utf-8?B?SEhMbkVlNCtTNjN2MTAvQjlqTkxxSVdNcndvblBnZHBsaDlDbllyQjRxZ3FL?= =?utf-8?B?cndFblI5WUhZdmVtVnVJcGlQbHR1UEdoWExDYXVycEFZaDE3OVZXbTRWK05u?= =?utf-8?B?UlFxS3ZkbWlnVnFabHpieG5yWW1sejZnOFY1WnRqbHJyMWZQRDV6bWZoVm8y?= =?utf-8?B?eFRDRTJac3NJTGJqMzNIaHNnWUMxZFNBVFQwbmNZK25OTStZc2dPS0dSakpk?= =?utf-8?B?Y0JBUlBTUVAvL0FOOTNZTjdia290bGJOam1OZDdhZlFMQlNQcU5wQW1qVlF5?= =?utf-8?B?YXdsME9lUThOQmVwbDlubnFmbklMeXNPRGlUTEdYNEhuRURlZDc4aFZJeXIx?= =?utf-8?B?ZnMvWEtNNmdVNTZQZWlETVZZVElMbTk0ZHlFclVtVzlPZHJjRnNiTEhnR3FG?= =?utf-8?B?Snh2NWQrb0NPQ2Vmdzg2NzFRNnJoZityQ3Y1aGpJMWFMSTF4RTVhZkQwR1ZF?= =?utf-8?B?M3E2NmRhTlZvOFF2QU1kenRvTkxFeHJNMGk4ZXlMb0tnajMwaWpVVUlBRy9X?= =?utf-8?B?VEtod09NaCtsd3NGbEpVYzVNSUtGWXVRenBSQXdEVUszUWtFRVdld3pyd1Aw?= =?utf-8?B?VmwxcjdvaEpUM2xkdzdZenI3aGJJUjIrVnJkek5uU3BIK280Z0Z0VVFOWWZF?= =?utf-8?B?OXE0TFB2NURsSDR4Vmxuc2N3aE53UXN0bGF0dVVtWmhHZWpQNFc2R1BjVkhh?= =?utf-8?B?c1BucGhrK1Jiem1uaTdteDhIc0hmanVtaFdLLzd4U1RFd1NlY3RXRFJOVm9q?= =?utf-8?B?UXpZOURna2Q0aEhOQ2U3clVneWFDcC90OUFISlBxQUY5ak5mSnUzRFMwdXZF?= =?utf-8?B?UTlHNFR3elBlb0FvYXZDL3VDQktDampyV3Y2MDFsSkVNaXdobEROWjhWRVZ0?= =?utf-8?B?MS9CV053UnEzTW9EWmYvYUk5RGVzc0JKb2tuT1hmcmVTeS9VdTB5b3VnRFV6?= =?utf-8?B?WHhKMTdXdmkwdXJOZmVMTy9qUTFZZ2d1TERNQjE4UC9qRitXczFTWFBrcHE4?= =?utf-8?B?THpVQ3E1QUFGVngybTlLNmwrbE1NR3ZqN01FSGozVjIxT1VpNU9EQys1ZmNT?= =?utf-8?B?azVuT2ovdkFENkhsemlQYlZmN1BBQmZXODFnS2lJMzNSZ2RwNXZQOEo0VTdB?= =?utf-8?B?YWFSK3BrTkRrNGZPRHpFdDB3MWlBSHhjYzd4bklMUVFwdzhVMGJNYTdvc1pw?= =?utf-8?B?RERKK0V2Nm5Id0tBVHB2ZSswMDBkNUFacC9oN0NkM1h0UUpEcVJ0Z0NWVlVr?= =?utf-8?Q?35ik94mzT9Fltd+xu31W90AAK?= X-MS-Exchange-CrossTenant-Network-Message-Id: 61103eda-e925-4f71-b5e1-08dbb2f0ac64 X-MS-Exchange-CrossTenant-AuthSource: IA1PR11MB6097.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2023 17:58:15.9536 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Zd1PCRqh8OP9AZjGji9Kxrf7H/09sfc6sRkBIvjLbT/Yp31h7qToF85egCngcb8km57289Vqrd2Bq7MyctpxMw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB4834 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/7/23 16:51, Babu Moger wrote: > The default resource group and its files are created during kernel > init time. Upcoming changes will make some resctrl files optional > based on a mount parameter. If optional files are to be added to the > default group based on the mount option, then each new file needs to > be created separately and call kernfs_activate() again. > > Create all files of the default resource group during resctrl > mount, destroyed during unmount, to avoid scattering resctrl > file addition across two separate code flows. > > Suggested-by: Reinette Chatre > Signed-off-by: Babu Moger Reviewed-by: Fenghua Yu Thanks. -Fenghua