On Thu, Jan 12, 2023 at 04:45:34PM +1100, Alexey Kardashevskiy wrote: > Well, SEV-ES KVM (ES == Encrypted State) does not save/restore them for the > guest (well, as I would expect) as the guest registers are not visible to > host to save, they are intercepted and the VM does this GHCB dance with > VMGEXIT(SVM_EXIT_WRITE_DR7). But they're saved in the VMSA, as Table B-3 says. > Well, the only place in APM is that "Table B-3. Swap Types and the AMD APM > volume 2", and it is pretty brief, do I miss something? I don't understand that question - please elaborate. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette