Messages in this thread | | | Date | Wed, 15 Jun 2022 15:46:59 +0200 | Subject | Re: [PATCH] xen: don't require virtio with grants for non-PV guests | From | Juergen Gross <> |
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On 15.06.22 15:43, Christoph Hellwig wrote: > On Wed, Jun 15, 2022 at 02:53:54PM +0200, Juergen Gross wrote: >> On 15.06.22 13:54, Christoph Hellwig wrote: >>> 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. >> >> Ah, you are right. I was using a guest with an older version of the series. >> Sorry for the noise. > > No problem. But whatever you end up using to enable the grant DMA > ops n x86 should also require the platform access feature. We already > have that information so we can make use of it.
Yes, of course.
Juergen [unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] | |