Virtualization - Dec 2020 - [RFC v2 06/13] vduse: Introduce VDUSE - vDPA Device in Userspace

On 2020/12/24 ??4:34, Yongji Xie wrote:
>> Yes, the disadvantage is the performance. But it should be simpler (I
>> guess) and we know it can succeed.
>>
> Yes, another advantage is that we can support the VM using anonymous
memory.

Exactly.

>
>>> I think I can try this in v3. And the
>>> MMU-based IOMMU implementation can be a future optimization in the
>>> virtio-vdpa case. What's your opinion?
>> Maybe I was wrong, but I think we can try as what has been proposed
here
>> first and use shadow virtqueue as backup plan if we fail.
>>
> OK, I will continue to work on this proposal.

Thanks
>