On Mon, Feb 06, 2023 at 08:49:16AM +0000, Tian, Kevin wrote:
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From: Nicolin Chen nicolinc@nvidia.com Sent: Thursday, February 2, 2023 3:05 PM
Remove the vdev->iommufd_attached check, since the kernel can internally handle a replacement of the IO page table now.
Signed-off-by: Nicolin Chen nicolinc@nvidia.com
drivers/vfio/iommufd.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/vfio/iommufd.c b/drivers/vfio/iommufd.c index 7e09defbcffe..f9e89b3eef69 100644 --- a/drivers/vfio/iommufd.c +++ b/drivers/vfio/iommufd.c @@ -111,9 +111,6 @@ int vfio_iommufd_physical_attach_ioas(struct vfio_device *vdev, u32 *pt_id) return 0; }
if (vdev->iommufd_attached)return -EBUSY;rc = iommufd_device_attach(vdev->iommufd_device, pt_id); if (rc) return rc;also update vfio uapi description to explain the replace semantics.
Will add that. Thanks!