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SubjectRe: [PATCH 5/6] vdpa: introduce virtio pci driver

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?



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