[RFC 0/4] Virtio uses DMA API for all devices

[Benjamin Herrenschmidt]

On Sun, 2018-08-05 at 03:09 +0300, Michael S. Tsirkin wrote:
> It seems that the fact that within guest it's implemented using a bounce
> buffer and that it's easiest to do by switching virtio to use the DMA API
> isn't something virtio spec concerns itself with.

Right, this is my reasoning as well. See this other (long) email I just
sent to Christoph to explain the whole flow.

> I'm open to suggestions.

Cheers,
Ben.