On Tue, Jan 17, 2023 at 5:02 AM Michael S. Tsirkin <m...@redhat.com> wrote: > > On Wed, Dec 07, 2022 at 09:56:20AM +0100, Eugenio Perez Martin wrote: > > > A dumb question, any reason we need bother with virtio-net? It looks > > > to me it's not a must and would complicate migration compatibility. > > > > > > I guess virtio-blk is the better place. > > > > > > > I'm fine to start with -blk, but if -net devices are processing > > buffers out of order we have chances of losing descriptors too. > > > > We can wait for more feedback to prioritize correctly this though. > > > > Thanks! > > Traditionally vhost serialized everything when dropping the VQ. > Would be interesting to hear from hardware vendors on whether > it's hard or easy to do in hardware.
The feedback is some vendors will do the serialization while others are not. > But I suspect all devices will want the capability eventually > because why not, if we have the code let's just do it everywhere. Yes, but it's more about priority/compatibility other than whether it is needed. We want to let the migration work as earlier as possible for vendor to test and try. Thanks > > -- > MST >