On Fri, Mar 03, 2023 at 02:13:30AM +0000, Tian, Kevin wrote: > > From: Jason Gunthorpe <jgg@xxxxxxxxxx> > > Sent: Thursday, March 2, 2023 8:52 PM > > > > > > > > @@ -98,7 +195,7 @@ struct iommufd_device > > *iommufd_device_bind(struct > > > > iommufd_ctx *ictx, > > > > /* The calling driver is a user until iommufd_device_unbind() */ > > > > refcount_inc(&idev->obj.users); > > > > /* group refcount moves into iommufd_device */ > > > > - idev->group = group; > > > > + idev->igroup = igroup; > > > > > > the comment about group refcount is stale now. > > > > You mean it should say 'igroup refcount' ? > > > > The original comment refers to the refcnt of iommu group. > > Now that refcnt is held by iommufd_group and no movement per se. igroup has a reference as well and it is this reference that is now being moved Jason
