On 03.02.20 14:19, Christian Borntraeger wrote: > From: Janosch Frank <frankja@xxxxxxxxxxxxx> > > The SPX instruction is handled by the ulravisor. We do get a s/ulravisor/ultravisor/ > notification intercept, though. Let us update our internal view. > > In addition to that, when the guest prefix page is not secure, an > intercept 112 (0x70) is indicated. To avoid this for the most common > cases, we can make the guest prefix page protected whenever we pin it. > We have to deal with 112 nevertheless, e.g. when some host code triggers > an export (e.g. qemu dump guest memory). We can simply re-run the > pinning logic by doing a no-op prefix change. > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> -- Thanks, David / dhildenb
