Re: [RFC PATCH] virtio_ring: Use DMA API if guest memory is encrypted

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Hello,

Just going back to this question which I wasn't able to answer.

Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx> writes:

> Michael S. Tsirkin <mst@xxxxxxxxxx> writes:
>
>> So far so good, but now a question:
>>
>> how are we handling guest address width limitations?
>> Is VIRTIO_F_ACCESS_PLATFORM_IDENTITY_ADDRESS subject to
>> guest address width limitations?
>> I am guessing we can make them so ...
>> This needs to be documented.
>
> I'm not sure. I will get back to you on this.

We don't have address width limitations between host and guest.

--
Thiago Jung Bauermann
IBM Linux Technology Center

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