RE: [PATCH v2 04/11] iommufd: Pass parent hwpt and user_data to iommufd_hw_pagetable_alloc()

Tian, Kevin
2023-05-19T09:39:30Z

> From: Liu, Yi L <yi.l.liu@intel.com>
> Sent: Thursday, May 11, 2023 10:39 PM
> @@ -89,9 +101,15 @@ iommufd_hw_pagetable_alloc(struct iommufd_ctx
> *ictx, struct iommufd_ioas *ioas,
> /* Pairs with iommufd_hw_pagetable_destroy() */
> refcount_inc(&ioas->obj.users);
> hwpt->ioas = ioas;

presumably a user hwpt doesn't need store ioas?