Re: [Qemu-devel] [RFC 0/2] virtio-vhost-user: add virtio-vhost-user device

[Michael S. Tsirkin]

On Tue, Jan 30, 2018 at 08:09:19PM +0800, Wei Wang wrote:
> Issues:
> Suppose we have both the vhost and virtio-net set up, and vhost pmd <->
> virtio-net pmd communication works well. Now, vhost pmd exits (virtio-net
> pmd is still there). Some time later, we re-run vhost pmd, the vhost pmd
> doesn't know the virtqueue addresses of the virtio-net pmd, unless the
> virtio-net pmd reloads to start the 2nd phase of the vhost-user protocol. So
> the second run of the vhost pmd won't work.
> 
> Any thoughts?
> 
> Best,
> Wei

So vhost in qemu must resend all configuration on reconnect.
Does this address the issues?

-- 
MST