On Thu, 31 Jan 2019 22:21:01 +0100 David Hildenbrand <da...@redhat.com> wrote:
> Thinking out loud: > > We should migrate the flag in the future. This is already a problem > right now, as the timer is also not migrated. > > If the unplug request is sent and we migrate before the guest can react, > the unplug would not happen. > > However, looks like migration of zpci devices is not implemented _at all_. Oh, joy. > > This does not matter for pci passthrough (main use case). But when > wanting to use e.g. virtio-pci-net, things are shaky after migration. > > So this is future work. > Hopefully folks running s390x guests are rather using virtio-ccw devices anyway... I agree that this needs to be taken care of on top of these changes. Should we mark zpci devices unmigratable, or does it work for some values of "work"?