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

From: "Michael S. Tsirkin" <[email-masked]>
Date: Tue, 2 Jun 2020 01:09:34 -0400

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.

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MST