On Tue, Jun 14, 2022 at 03:02:27PM +0300, Kirill A. Shutemov wrote: > But, this approach does not work for unaccepted memory. For TDX, a load > from unaccepted memory will not lead to a recoverable exception within > the guest. The guest will exit to the VMM where the only recourse is to > terminate the guest. FTR, this random-memory-access-to-unaccepted-memory-is-deadly thing is really silly. We should be able to handle such cases - because they do happen often - in a more resilient way. Just look at the complex dance this patch needs to do just to avoid this. IOW, this part of the coco technology needs improvement. Just sayin... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette