Re: [PATCHv5 06/12] x86/boot/compressed: Handle unaccepted memory

Kirill A. Shutemov
2022-05-13T14:46:59Z

On Fri, May 13, 2022 at 11:01:43AM +0200, Borislav Petkov wrote:
> + mroth
> - brijesh
>
> On Thu, May 12, 2022 at 10:34:02PM -0700, Dionna Amalie Glaze wrote:
> > Kirill, I've been tracking these changes to see if we can handle the
> > unaccepted memory type for SEV-SNP, but testing has been an issue. The
> > proposed patch in Ovmf to introduce unaccepted memory seems to have
> > stalled out last September
> > (https://www.mail-archive.com/devel@edk2.groups.io/msg35842.html) and
> > is particularly difficult to adapt to SEV-SNP since it doesn't follow
> > the TDVF way of initializing all memory. Is there a different
> > development I might have missed so that we might test these cases?
> > Without the UEFI introducing EFI_UNACCEPTED_MEMORY type, any kernel
> > uses are essentially dead code.

+ Min, Jiaqi.

I don't follow firmware development. Min, Jiaqi, could you comment?

--
Kirill A. Shutemov