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Thu, 18 Sep 2025 21:49:34 +0000 Message-ID: <502228b9-ecc9-4c2a-b268-a51fc14d4c1e@intel.com> Date: Thu, 18 Sep 2025 14:49:32 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 03/28] x86,fs/resctrl: Refactor domain_remove_cpu_mon() ready for new domain types To: Tony Luck , Fenghua Yu , "Maciej Wieczor-Retman" , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Chen Yu CC: , , References: <20250912221053.11349-1-tony.luck@intel.com> <20250912221053.11349-4-tony.luck@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <20250912221053.11349-4-tony.luck@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BY5PR13CA0008.namprd13.prod.outlook.com (2603:10b6:a03:180::21) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|SJ0PR11MB4799:EE_ X-MS-Office365-Filtering-Correlation-Id: 82ba214b-1ff4-44f5-5930-08ddf6fd41ba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; 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Above sentence can be dropped. > > The RDT_RESOURCE_L3 resource carries a lot of state in the domain > structures which needs to be dealt with when a domain is taken offline > by removing the last CPU in the domain. > > New telemetry events will be associated with a new package scoped > resource with new domain structures. Above is intended to be problem statement but the problem is unclear without connection how the solution below solves it. > > Refactor domain_remove_cpu_mon() so all the L3 processing is separate > from general actions of clearing the CPU bit in the mask and removing > sub-directories from the mon_data directory. Can "and removing sub-directories from the mon_data directory" now be dropped to match the change made to this patch? > > Signed-off-by: Tony Luck > --- Reinette