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Fri, 11 Apr 2025 20:50:51 +0000 Message-ID: <6be16f07-c066-4076-8ad8-3eefc45c48f7@intel.com> Date: Fri, 11 Apr 2025 13:50:47 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 02/26] x86/resctrl: Remove MSR reading of event configuration value To: Babu Moger , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <4f1551b39f669be01ea3e5938f165d207e2f7c6a.1743725907.git.babu.moger@amd.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <4f1551b39f669be01ea3e5938f165d207e2f7c6a.1743725907.git.babu.moger@amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0020.namprd03.prod.outlook.com (2603:10b6:303:8f::25) To SN7PR11MB7566.namprd11.prod.outlook.com (2603:10b6:806:34d::7) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN7PR11MB7566:EE_|IA0PR11MB7863:EE_ X-MS-Office365-Filtering-Correlation-Id: 5c41b321-4ddf-4928-0c60-08dd793a8b87 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|1800799024|7416014|376014|366016; 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The values are stored in struct rdt_hw_mon_domain. > > It is not required to read the configuration register every time user asks > for it. Use the value stored in struct rdt_hw_mon_domain instead. Storing and maintaining the event configuration creates confusion with the new event configurations introduced in the rest of this series. I think that it will be simpler to keep BMEC support as-is. Reinette