Re: [PATCH 0/5] x86: Impplement support for unaccepted memory

Kirill A. Shutemov
2021-08-12T10:10:47Z

On Thu, Aug 12, 2021 at 10:23:24AM +0200, Joerg Roedel wrote:
> Hi Kirill,
>
> On Tue, Aug 10, 2021 at 09:26:21AM +0300, Kirill A. Shutemov wrote:
> > Accepting happens via a protocol specific for the Virtrual Machine
> > platform.
>
> That sentence bothers me a bit. Can you explain what it VMM specific in
> the acceptance protocol?

For TDX we have a signle MapGPA hypercall to VMM plus TDAcceptPage for
every accepted page to TDX Module. SEV-SNP has to something similar.

--
Kirill A. Shutemov