RE: [PATCH v2 03/10] iommufd: Create access in vfio_iommufd_emulated_bind()

From: Nicolin Chen nicolinc@nvidia.com Sent: Wednesday, February 8, 2023 5:18 AM

@@ -141,10 +141,19 @@ static const struct iommufd_access_ops vfio_user_ops = { int vfio_iommufd_emulated_bind(struct vfio_device *vdev, struct iommufd_ctx *ictx, u32 *out_device_id) {

• struct iommufd_access *user;
• lockdep_assert_held(&vdev->dev_set->lock);

• vdev->iommufd_ictx = ictx; iommufd_ctx_get(ictx);

• user = iommufd_access_create(vdev->iommufd_ictx, &vfio_user_ops,

vdev);

• if (IS_ERR(user)) {

• iommufd_ctx_put(vdev->iommufd_ictx);
  

• return PTR_ERR(user);
  

• }
• iommufd_access_set_ioas(user, 0);

this is not required since ioas has been NULL after creation.

otherwise,

Reviewed-by: Kevin Tian kevin.tian@intel.com