Re: [virtio-dev] [PATCH v5 01/10] vhost-user: add vhost-user device type

[Nikos Dragazis <ndragazis@arrikto.com>]

On 16/7/20 7:45 Î.Î., Alex BennÃe wrote:

> Nikos Dragazis <ndragazis@arrikto.com> writes:
>
> > +
> > +    When the driver clears VIRTIO_VHOST_USER_SLAVE_UP while the vhost-user
> > +    master is connected, the vhost-user master is disconnected.
> What happens to messages in flight? Do they stay in the queues until
> there is a re-connection?

After the reconnection, the master-slave communication starts from
scratch, i.e., there is no state. At least, this is what I can infer
from the vhost-user spec. So, in-flight vhost-user messages have to be
discarded. We should mention it explicitly in the spec.