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charset=UTF-8 Date: Thu, 02 Jul 2026 15:06:37 +0900 Message-Id: From: "Alexandre Courbot" To: "Danilo Krummrich" Cc: , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v5 12/19] rust: drm: Add RegistrationGuard for drm_dev_enter/exit critical sections References: <20260628145406.2107056-1-dakr@kernel.org> <20260628145406.2107056-13-dakr@kernel.org> In-Reply-To: <20260628145406.2107056-13-dakr@kernel.org> X-ClientProxiedBy: TY4PR01CA0037.jpnprd01.prod.outlook.com (2603:1096:405:2bd::10) To CH2PR12MB3990.namprd12.prod.outlook.com (2603:10b6:610:28::18) 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: CH2PR12MB3990:EE_|MN0PR12MB5810:EE_ X-MS-Office365-Filtering-Correlation-Id: 52cbcf6c-490f-4989-6b66-08ded800157f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024|23010399003|10070799003|6133799003|4143699003|18002099003|56012099006|11063799006|22082099003; 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The > guard is obtained from Device and proves at runtime that the > device is still registered. > > Switch Registration::drop from drm_dev_unregister() to drm_dev_unplug() > to provide the SRCU barrier that RegistrationGuard's safety argument > relies on. > > Reviewed-by: Lyude Paul > Signed-off-by: Danilo Krummrich Reviewed-by: Alexandre Courbot