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Thu, 3 Jul 2025 16:21:10 +0000 Message-ID: Date: Thu, 3 Jul 2025 09:21:07 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v14 30/32] fs/resctrl: Hide the BMEC related files when mbm_event mode is enabled To: , , , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <4769751d1de7c4f66b1c7f3c5ea7eeeb49951363.1749848715.git.babu.moger@amd.com> <3c753f3c-e91b-4cfe-983d-efe8ff07b750@intel.com> <471975cf-1094-42dd-a965-f536cf399d0a@amd.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <471975cf-1094-42dd-a965-f536cf399d0a@amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR04CA0271.namprd04.prod.outlook.com (2603:10b6:303:89::6) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|LV3PR11MB8742:EE_ X-MS-Office365-Filtering-Correlation-Id: 04c418f3-4890-4c2d-3520-08ddba4d9f2d 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;ARA:13230040|7416014|1800799024|376014|366016; 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Why >> are new event configuration files needed? > > New interface that enables users to read and write memory transaction > events using human-readable strings, simplifying configuration and > improving usability. I find the "simplifying configuration and improving usability" a bit vague for a changelog. The cover letter already claims that ABMC and BMEC are incompatible and links to some email discussions. I think it will be helpful to summarize here why ABMC and BMEC are considered incompatible and then use that as motivation to hide BMEC. The motivation in this changelog is to "avoid confusion" but the motivation is stronger than that. > > In future it can be extended to create free form event names. > >> >>> >>> To avoid the confusion, hide BMEC-related files when mbm_event counter >>> assignment mode is enabled and update the mon_features display accordingly. Reinette