On Sat, Apr 16, 2022 at 12:42:50AM +0000, Tian, Kevin wrote: > Then what about PPC? w/o holding a reference to container is there > any impact on spapr_tce_table which is attached to the group? > I don't know the relationship between this table and vfio container > and whether there is a lifetime dependency in between. table seems to have its own FD so it should be refcounted independently and not indirectly rely on the vfio container. It seemed like there was enough protection there.. Jason