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Thu, 10 Jul 2025 11:32:00 +0000 Message-ID: <42d5e1e1-f418-46a3-9b80-67173609d390@intel.com> Date: Thu, 10 Jul 2025 19:31:48 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [tip:sched/core] [sched/smp] 06ddd17521: BUG:using_smp_processor_id()in_preemptible To: Sebastian Andrzej Siewior CC: kernel test robot , Ingo Molnar , , , , , Peter Zijlstra , Dietmar Eggemann , Juri Lelli , "Linus Torvalds" , Mel Gorman , Shrikanth Hegde , Steven Rostedt , Valentin Schneider , "Vincent Guittot" , References: <202507100448.6b88d6f1-lkp@intel.com> <6cf071f3-ff5b-4025-8ce7-2f2cceb03984@intel.com> <20250710062528.T-Obm39T@linutronix.de> <292e70ed-aae5-4f52-8f85-80cba7ff301d@intel.com> <20250710081114.5wnABNG7@linutronix.de> <99573578-95e8-4b97-b2c8-d8229e4816e5@intel.com> <20250710104740.XLv9MRX1@linutronix.de> Content-Language: en-US From: "Chen, Yu C" In-Reply-To: <20250710104740.XLv9MRX1@linutronix.de> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SG2PR04CA0159.apcprd04.prod.outlook.com (2603:1096:4::21) To DM4PR11MB6020.namprd11.prod.outlook.com (2603:10b6:8:61::19) 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: DM4PR11MB6020:EE_|LV2PR11MB6023:EE_ X-MS-Office365-Filtering-Correlation-Id: 90401aef-651c-4d32-537c-08ddbfa5628d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016|7416014; 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So there is still a CONFIG_SMP to check migrate_disbled >> in debug_smp_processor_id(), and that was skipped if we do not >> have CONFIG_SMP set. > > Exactly, sorry for that. > I planned to let you do the figuring out and sending the patch but got > confused midway, had to look it up and then had the patch ready and > decided to send it… > No worries! Thanks for the patch. Glad it’s sorted. thanks, Chenyu>> thanks, >> Chenyu>> Thanks, > Sebastian