On Wed, Oct 06, 2021 at 09:28:50AM +0100, Dr. David Alan Gilbert wrote: > To me it feels the same as the distinction between vhost-kernel and qemu > backended virtio that we get in net and others - in principal it's just > another implementation.
In net it's actually like this. Same -device, a different netdev. > A tricky part is guaranteeing the set of visible virtio features between > implementations; we have that problem when we use vhost-kernel and run > on a newer/older kernel and gain virtio features; the same will be true > with vhost-user implementations. That's not new but yes we need to work on this. > But this would make the structure of a vhost-user implementation quite > different. > > Dave Right. That's why I'm reluctant to just add a new device type that has special compatibility requirements. > > > > > > -- > > > > MST > > > > > > > -- > > > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK > > > -- > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK