On Thu, Aug 12, 2021 at 11:22:51PM +0300, Kirill A. Shutemov wrote: > On Thu, Aug 12, 2021 at 12:33:11PM -0700, Andi Kleen wrote: > > I think Joerg's question was if TDX has a single ABI for all hypervisors. > > The GHCI specification supports both hypervisor specific and hypervisor > > agnostic calls. But these basic operations like MapGPA are all hypervisor > > agnostic. The only differences would be in the existing hypervisor specific > > PV code. > > My point was that TDX and SEV-SNP going to be different and we need a way > to hook the right protocol for each. Yeah, okay, thanks for the clarification. My misunderstanding was that there could be per-hypervisor contract on what memory is pre-accepted and what Linux is responsible for. Thanks, Joerg
