On Thu, Jan 05, 2023 at 12:17:41PM -0600, Michael Roth wrote: > In the case of SEV, it would still be up to userspace whether or not it > actually wants to make use of UPM functionality like KVM_SET_MEMORY_ATTRIBUTES > and private memslots. Otherwise, to maintain backward-compatibility, > userspace can do things as it has always done and continue running SEV without > relying on private memslots/KVM_SET_MEMORY_ATTRIBUTES or any of the new ioctls. > > For SNP however it is required that userspace uses/implements UPM > functionality. Makes sense to me. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette