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Fri, 11 Jul 2025 19:27:31 -0700 Date: Fri, 11 Jul 2025 19:27:29 -0700 From: Nicolin Chen To: Xu Yilun CC: , , , , , , , , , , , , , Subject: Re: [PATCH v4 5/7] iommufd/vdevice: Remove struct device reference from struct vdevice Message-ID: References: <20250709040234.1773573-1-yilun.xu@linux.intel.com> <20250709040234.1773573-6-yilun.xu@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250709040234.1773573-6-yilun.xu@linux.intel.com> X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE37:EE_|LV2PR12MB5869:EE_ X-MS-Office365-Filtering-Correlation-Id: bca914d2-b9e1-48b5-457b-08ddc0eba915 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|7416014|82310400026|376014|7053199007; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jul 2025 02:27:34.2098 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bca914d2-b9e1-48b5-457b-08ddc0eba915 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE37.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5869 On Wed, Jul 09, 2025 at 12:02:32PM +0800, Xu Yilun wrote: > Remove struct device *dev from struct vdevice. > > The dev pointer is the Plan B for vdevice to reference the physical > device. As now vdev->idev is added without refcounting concern, just > use vdev->idev->dev when needed. > > Reviewed-by: Jason Gunthorpe > Reviewed-by: Lu Baolu > Signed-off-by: Xu Yilun Reviewed-by: Nicolin Chen