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Wed, 9 Jul 2025 22:13:54 +0000 Message-ID: <9696596c-59cd-4d8c-b6a5-50977947e31b@intel.com> Date: Wed, 9 Jul 2025 15:13:52 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 23/30] x86/resctrl: Handle domain creation/deletion for RDT_RESOURCE_PERF_PKG To: Tony Luck , Fenghua Yu , "Maciej Wieczor-Retman" , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Anil Keshavamurthy , Chen Yu CC: , , References: <20250626164941.106341-1-tony.luck@intel.com> <20250626164941.106341-24-tony.luck@intel.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <20250626164941.106341-24-tony.luck@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4P222CA0023.NAMP222.PROD.OUTLOOK.COM (2603:10b6:303:114::28) 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_|SJ0PR11MB6791:EE_ X-MS-Office365-Filtering-Correlation-Id: deb6771c-2db6-4161-9f60-08ddbf35e4a3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016|921020; 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There are structures > that hold the 64-bit values of counters, and elements to keep track of > the overflow and limbo threads. > > None of these are needed for the PERF_PKG resource. The hardware counters > are wide enough that they do not wrap around for decades. > > Define a new rdt_perf_pkg_mon_domain structure which just consists of > the standard rdt_domain_hdr to keep track of domain id and CPU mask. > > Change domain_add_cpu_mon(), domain_remove_cpu_mon(), > resctrl_offline_mon_domain(), and resctrl_online_mon_domain() to check This patch does not seem to contain all the changes referred to here, there are not changes to resctrl_offline_mon_domain() or resctrl_online_mon_domain(). > resource type and perform only the operations needed for domains in the > PERF_PKG resource. > > Signed-off-by: Tony Luck > --- Patch looks good to me. Reinette