On Fri, May 19, 2023 at 09:34:38AM +0000, Tian, Kevin wrote: > > From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > > 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? hwpt->ioas has the refcount and mutex that are used by a user hwpt too throughout the hwpt functions. Thanks Nic
