On Fri, Jul 26, 2024 at 2:08 PM Michael S. Tsirkin <m...@redhat.com> wrote: > > On Thu, Jul 25, 2024 at 06:18:20PM -0400, Peter Xu wrote: > > On Tue, Aug 01, 2023 at 01:31:48AM +0300, Yuri Benditovich wrote: > > > USO features of virtio-net device depend on kernel ability > > > to support them, for backward compatibility by default the > > > features are disabled on 8.0 and earlier. > > > > > > Signed-off-by: Yuri Benditovich <yuri.benditov...@daynix.com> > > > Signed-off-by: Andrew Melnychecnko <and...@daynix.com> > > > > Looks like this patch broke migration when the VM starts on a host that has > > USO supported, to another host that doesn't.. > > This was always the case with all offloads. The answer at the moment is, > don't do this.
Sometimes, it's not easy for management to know this. For example, in the past we suffered from the removal of UFO .... > Long term, we need to start exposing management APIs > to discover this, and management has to disable unsupported features. > > -- > MST > Thanks
