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SubjectRe: [PATCH 5/6] vdpa: introduce virtio pci driver
On Tue, Jun 02, 2020 at 03:12:27PM +0800, Jason Wang wrote:
>
> On 2020/6/2 下午1:09, Michael S. Tsirkin wrote:
> > On Fri, May 29, 2020 at 04:03:02PM +0800, Jason Wang wrote:
> > > Note that since virtio specification does not support get/restore
> > > virtqueue state. So we can not use this driver for VM. This can be
> > > addressed by extending the virtio specification.
> > Looks like exactly the kind of hardware limitation VDPA is supposed to
> > paper over within guest. So I suggest we use this as
> > a litmus test, and find ways for VDPA to handle this without
> > spec changes.
>
>
> Yes, and just to confirm, do you think it's beneficial to extend virtio
> specification to support state get/set?
>
> Thanks

Let's leave that for another day. For now vdpa should be flexible enough
to work on spec compliant VMs.

>
> >

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