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SFS:(13230001)(4636009)(366004)(66946007)(38100700002)(86362001)(316002)(110136005)(921005)(2906002)(66476007)(66556008)(8676002)(4326008)(5660300002)(8936002)(186003)(2616005)(83380400001)(966005)(6486002)(508600001)(6512007)(26005)(6506007)(36756003)(7416002)(4216001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 07e02a3d-54b4-4ca2-8482-08da48d9c281 X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB4192.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2022 23:02:13.6747 (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: MzA7npUfYY1CM4yVUFrZxO3xxGh9ZGBBmmmmcVuyDKQqax+/fYxYZVNXOZmcwDRa X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB3593 Subject: [Intel-gfx] [PATCH v2 0/2] Remove the VFIO_IOMMU_NOTIFY_DMA_UNMAP notifier X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christoph Hellwig Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This is the last notifier toward the drivers, replace it with a simple op callback in the vfio_device_ops. v2: - Declare and initialize variables in intel_vgpu_dma_unmap() - Remove 'vendor' when touching comments - Remove kdoc for vfio dma_unmap notifier - Add WARN_ON to vfio_register_emulated_iommu_dev() since dma_unmap is mandatory - Move dma_unmap call loop to vfio_notify_dma_unmap() - Document why the double mutex is being used and why the mutex lock is dropped when calling dma_unmap v1: https://lore.kernel.org/r/0-v1-896844109f36+a-vfio_unmap_notif_jgg@nvidia.com Signed-off-by: Jason Gunthorpe Jason Gunthorpe (2): vfio: Replace the DMA unmapping notifier with a callback vfio: Replace the iommu notifier with a device list drivers/gpu/drm/i915/gvt/gvt.h | 1 - drivers/gpu/drm/i915/gvt/kvmgt.c | 75 +++++------------- drivers/s390/cio/vfio_ccw_ops.c | 41 +++------- drivers/s390/cio/vfio_ccw_private.h | 1 - drivers/s390/crypto/vfio_ap_ops.c | 53 ++----------- drivers/s390/crypto/vfio_ap_private.h | 3 - drivers/vfio/vfio.c | 108 ++++++-------------------- drivers/vfio/vfio.h | 9 +-- drivers/vfio/vfio_iommu_type1.c | 103 +++++++++++++++--------- include/linux/vfio.h | 21 +---- 10 files changed, 134 insertions(+), 281 deletions(-) base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56