Re: [PATCH] xen: don't require virtio with grants for non-PV guests

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Wed, Jun 15, 2022 at 01:39:01PM +0200, Juergen Gross wrote:
> No, it doesn't. I'm working on a qemu patch series enabling the qemu
> based backends to support grants with virtio. The code is working fine
> on x86, too (apart from the fact that the backends aren't ready yet).

The code right now in mainline only ever sets the ops for DMA.  So
I can't see how you could make it work.