On Mon, Jun 14, 2021 at 02:49:51PM +0100, Robin Murphy wrote: > FWIW, I think a better generalisation for this would be allowing > set_memory_decrypted() to return an address rather than implicitly > operating in-place, and hide all the various hypervisor hooks behind that. Yes, something like that would be a good idea. As-is set_memory_decrypted is a pretty horribly API anyway due to passing the address as void, and taking a size parameter while it works in units of pages. So I'd very much welcome a major overhaul of this API.