RE: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Thursday, September 21, 2023 1:34 AM
> 
> On Wed, Sep 20, 2023 at 05:21:52PM +0000, Parav Pandit wrote:
> > > OK so with this summary in mind, can you find any advantages to
> > > inband+mediation that are real or do you just see disadvantages? And
> > > it's a tricky question because I can see some advantages ;)
> >
> > inband + mediation may be useful for nested case.
> 
> Hint: there's more.

Can you please list down?

The starting point of discussion is, there is passthrough member device without mediation in virtio interface layers.
How shall device migration should work for it?