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charset=UTF-8 Date: Thu, 02 Jul 2026 16:22:22 +0900 Message-Id: Cc: , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v5 18/19] rust: drm: Pass registration data to ioctl handlers From: "Alexandre Courbot" To: "Danilo Krummrich" References: <20260628145406.2107056-1-dakr@kernel.org> <20260628145406.2107056-19-dakr@kernel.org> In-Reply-To: <20260628145406.2107056-19-dakr@kernel.org> X-ClientProxiedBy: TY4P301CA0114.JPNP301.PROD.OUTLOOK.COM (2603:1096:405:37e::12) To CH2PR12MB3990.namprd12.prod.outlook.com (2603:10b6:610:28::18) Precedence: bulk X-Mailing-List: nova-gpu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB3990:EE_|LV2PR12MB5869:EE_ X-MS-Office365-Filtering-Correlation-Id: 755d004e-10a7-4a7b-288b-08ded80aab10 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|10070799003|23010399003|376014|7416014|366016|1800799024|22082099003|11063799006|4143699003|18002099003|56012099006; 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The closure's HRTB > ties the lifetime to the closure scope, and the pointer cast shortens it > from 'static internally. The reference is valid for the duration of the > drm_dev_enter/exit critical section held by RegistrationGuard. > > Reviewed-by: Lyude Paul > Signed-off-by: Danilo Krummrich Reviewed-by: Alexandre Courbot (Sashiko's report appears to be invalid - the HRTB is precisely what prevents the behavior it claims is possible)