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Wed, 4 Jun 2025 03:49:27 +0000 Message-ID: <60fc7751-d26e-4e6b-99ee-58e99f1e3783@intel.com> Date: Tue, 3 Jun 2025 20:49:25 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 15/29] fs/resctrl: Add an architectural hook called for each mount To: Tony Luck , Fenghua Yu , "Maciej Wieczor-Retman" , Peter Newman , James Morse , Babu Moger , Drew Fustini , Dave Martin , Anil Keshavamurthy , Chen Yu CC: , , References: <20250521225049.132551-1-tony.luck@intel.com> <20250521225049.132551-16-tony.luck@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <20250521225049.132551-16-tony.luck@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SJ0PR03CA0084.namprd03.prod.outlook.com (2603:10b6:a03:331::29) 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_|SJ2PR11MB7599:EE_ X-MS-Office365-Filtering-Correlation-Id: 2c4949a0-748f-4ab3-a254-08dda31acdb0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|921020; 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> } > > +void resctrl_arch_pre_mount(void) > +{ > + static atomic_t only_once; Looks like the custom is to initialize with ATOMIC_INIT(0). Reinette