[edk2-devel] [PATCH v9 0/4] Add safe unaccepted memory behavior

[Ard Biesheuvel]

On Wed, 25 Jan 2023 at 10:18, Gerd Hoffmann <kraxel at redhat.com> wrote:
>
> On Wed, Jan 25, 2023 at 10:01:47AM +0100, Ard Biesheuvel wrote:
>
> > Exactly. And my Fedora kernel has those bits enabled by default.
> >
> > So I suppose the way forward here is to expose this protocol only on
> > OVMF builds that target SEV-SNP, instead of introducing it as a
> > generic CoCo feature.
>
> OVMF builds already adapt at runtime, so this needs to be a runtime
> check too.  But IIRC the module already checks whenever SNP-SEV or TDX
> is active before installing, so we only need to tweak that check to drop
> the TDX check.
>

Sure. But Dionna's series introduces a new CocoDxe driver that is
intended to carry shared logic, but we should probably add this stuff
to AmdSevDxe instead.


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