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Tue, 13 May 2025 21:18:44 +0000 Message-ID: Date: Tue, 13 May 2025 14:18:43 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 07/30] x86/resctrl: Check all domains are offline in resctrl_exit() To: James Morse , , CC: Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , Babu Moger , , "D Scott Phillips OS" , , , , , , Jamie Iles , Xin Hao , , , , David Hildenbrand , Rex Nie , "Dave Martin" , Koba Ko , Shanker Donthineni , , Shaopeng Tan References: <20250513171547.15194-1-james.morse@arm.com> <20250513171547.15194-8-james.morse@arm.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <20250513171547.15194-8-james.morse@arm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SJ0P220CA0001.NAMP220.PROD.OUTLOOK.COM (2603:10b6:a03:41b::7) 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_|PH0PR11MB5783:EE_ X-MS-Office365-Filtering-Correlation-Id: 628cda17-43e7-4132-6d88-08dd9263be34 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|7053199007; 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If any domain were online, the limbo or overflow handler could > be scheduled to run. > > Add a check for any online control or monitor domains, and document that > the architecture code is required to offline all monitor and control > domains before calling resctrl_exit(). > > Suggested-by: Reinette Chatre > Signed-off-by: James Morse > Tested-by: Babu Moger > Tested-by: Shaopeng Tan > --- Reviewed-by: Reinette Chatre Reinette