Re: [virtio-dev] Re: [PATCH v6] vsock: add vsock device

[Ian Campbell <ian.campbell@docker.com>]

On 28 April 2016 at 17:06, Stefan Hajnoczi <stefanha@redhat.com> wrote:
> Interestingly the vhost "backend" uses a workqueue and a send packet
> list so it doesn't block.  I'll take a look at using the same approach
> in virtio_transport.c.

Doesn't the use of a list like this open up the issue of the frontend
requiring the backend to queue an arbitrarily large number of pending
replies (by send TX requests requiring a response more quickly than it
populates the RX ring, either by mistake or by being malicious?)

Ian.