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SubjectRe: [RFC] KVM: mm: fd-based approach for supporting KVM guest private memory
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On 8/31/2021 1:15 PM, David Hildenbrand wrote:
> On 31.08.21 22:01, Andi Kleen wrote:
>>
>>>> Thanks a lot for this summary. A question about the requirement: do
>>>> we or
>>>> do we not have plan to support assigned device to the protected VM?
>>>
>>> Good question, I assume that is stuff for the far far future.
>>
>> It is in principle possible with the current TDX, but not secure. But
>> someone might decide to do it. So it would be good to have basic support
>> at least.
>
> Can you elaborate the "not secure" part? Do you mean, making the
> device only access "shared" memory, not secure/encrypted/whatsoever?


Yes that's right. It can only access shared areas.


-Andi

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