On Tue, Apr 04, 2023 at 05:59:01PM +0200, Eric Auger wrote: > > but the hot reset shall fail as the group is not owned by the user. > > sure it shall but I fail to understand if the reset fails or the device > plug is somehow delayed until the reset completes. It is just racy today - vfio_pci_dev_set_resettable() doesn't hold any locks across the pci_walk_bus() check to prevent hot plug in while it is working on the reset. Jason