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SubjectRe: [RFC] KVM: mm: fd-based approach for supporting KVM guest private memory
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On 9/2/21 2:27 AM, Joerg Roedel wrote:
> On Wed, Sep 01, 2021 at 09:07:59AM -0700, Andy Lutomirski wrote:
>> In principle, you could actually initialize a TDX guest with all of its
>> memory shared and all of it mapped in the host IOMMU.
>
> Not sure how this works in TDX, but in SEV code fetches are always
> treated as encrypted. So this approach would not work with SEV, not to
> speak about attestation, which will not work with this approach either
> :)
>

Oof.

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