Re: [Xen-devel] [PATCH v5 00/10] virtio DMA API, yet again

[Wei Liu]

Nice work, Andy.

On Thu, Jan 28, 2016 at 06:31:13PM -0800, Andy Lutomirski wrote:
> This switches virtio to use the DMA API on Xen and if requested by
> module option.
> 
> This fixes virtio on Xen, and it should break anything because it's
> off by default on everything except Xen PV on x86.
> 

What is your setup? My understanding is that virtio doesn't work on PV
guest as of now because a suitable transport is missing.

Wei.