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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?AUfZ3Th7SWRjvV3p6QH0JVZNj8B1b6ybdcDtqGuxYecnkw4kiluTrNOcJTlh?= =?us-ascii?Q?n0VY3LK+K5NnXzC4qdeXop9pQcE0ciriBW2RHtXNacW7Kf7WQfK9E51rJcgr?= =?us-ascii?Q?MleLkyw8cwpde6NMHOZx/15QaM2qDdpOiWRiBsdSFUnPOAyll3gRKASFoiM5?= =?us-ascii?Q?iztRWfYB1SgsdjOdzlOdW+MKPDhdRciM0VEoHqYso1P2aWK2DbS0wT1yC0NY?= =?us-ascii?Q?LUkWXJFtg98ZU1ZK9nVlMRwwIvVZmbbv4tRf1Y/vG4gXZHLxmia8bC+nxxWV?= =?us-ascii?Q?XFfMMMtkZLvC2Q2a1AcypGdprOnytgqDuX7d0YalH/jn67flRTC5/31VKIFq?= =?us-ascii?Q?QkZ0PaiyVWAZ+g7qPRq1VKD+Y57YTanwJuSUDxV3dtx7pk+bsSvRbY/nur61?= =?us-ascii?Q?8BtCm0XxLhxgZfCVmaHYr13FWVvIxFP34dBBK1hhpDXx0tinkZbc4ODaxqww?= =?us-ascii?Q?ddayUw7eWEWh2jL78M21mk+A6cIaEYiNS8plYfnyywGdjasvJCEpH5cKeohD?= =?us-ascii?Q?L/F6uicudo1v20W5JK2D0yBBdXzUZVZI77NByjBFc1YzWwQSy1JY06VRio95?= =?us-ascii?Q?+JqInwyZJL2xbkPCIm8Im1syxFpl56qn09MQTsse5EzAWrNkT1haJtrQINER?= =?us-ascii?Q?YuzBI20q6pfuMOeU+k8HNQ7SN0b4a1t6E9bRIfgCK/Pxm2VipjRYqJTEMftN?= =?us-ascii?Q?Q1w8nUMjjV/A98EzA0vDzj5YL+Gx9zsLQDdYIdLTFwjnY2kb6xtp/WYvSqBN?= =?us-ascii?Q?Abj3VR3XyRxGzlekUrAgqvp+zE+6pI6zZc2L0xV6pkaoSyPRkcyKWBj+OX9c?= =?us-ascii?Q?2ZXl50myQZGMiDAfC6BqAzk/+FmxDQ6ddfcouKjBzwaOKQRK6wBlvXPZ987I?= =?us-ascii?Q?MlgSosNph/RlRM4DYAAE5XxUUcJC4onWsB7TyT3j6fpsRcaoVajD+abr/Ecq?= =?us-ascii?Q?W0YuLcxRoEGxM9sooR7hPLGF03zyhYEc6kWddiMUxQ3UmnBpdr3oAHBNVYio?= =?us-ascii?Q?KtlpJjKMwzACjoeSWivynYZz43hN+9/5bWqeEyyDR/C2FwMIjz6WBG5qdpkT?= =?us-ascii?Q?kyH/aBDau9zIqShUv7EP1ZidNIEju/t4bhBc8QfXUIQItXP312PKTU6eNz1x?= =?us-ascii?Q?pKZngFSxr0wzIOdOmT6eYByKCmqMfZx3469vJWIMtbvk//TB3EaGNTh3z9aK?= =?us-ascii?Q?a0b1UAOBhCiTsvE1XNlxcwFTj3WcXguDswU47iffKYU0Y7NeT2cypfqhdzk9?= =?us-ascii?Q?5yVYkWTmUPDnizguxZ1HlQJhC/MwAHzGsII6NpFc7Euo/HvpdZYOGnbMismD?= =?us-ascii?Q?Ho9yIPrc9LKxDoCUrkpKpVPSSTKFGGCDmhFE4GqZzfB4ckOBg9TyB3LxjuRZ?= =?us-ascii?Q?Q3EnciuE9Kub8LwvjQiKKYfOV47Lcw0Lxqb8a2i5+S5mocmx/WIqb0pRzynq?= =?us-ascii?Q?cu2OjZ5q8OM9xC9uJpI7MtWFOy05XS625f+KYDsMwg2IDoX1wpBzp4fDd8lC?= =?us-ascii?Q?WRR2I1mE/DYCy5emx7YRrGUzr+qX+y3GfYLIo1xoti2NtyG8MOYwdkS2gWha?= =?us-ascii?Q?7PBQq2H5DHEetAGzxzrgiJgo3TVvJfrvKezfKhwa?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 57346cde-b778-402d-24d9-08db66978b52 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2023 14:08:46.8969 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: zSZt8AllVIUHrg1ULRIPSwpzJQqKOpSAXS84QG8rGKv0nYH/hq39OWSs+6ZUzsRg X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6424 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 24, 2023 at 06:41:41PM -0700, Nicolin Chen wrote: > Upon a quick check, I think we could. Though it'd be slightly > mismatched with the domain_alloc op, it should be fine since > iommufd is likely to be the only caller. Ideally the main op would return ERR_PTR too Jason