On Wed, 18 Mar 2020 10:30:47 -0400 Janosch Frank <fran...@linux.ibm.com> wrote:
> From: Christian Borntraeger <borntrae...@de.ibm.com> > > The unpack facility is an indication that diagnose 308 subcodes 8-10 > are available to the guest. That means, that the guest can put itself > into protected mode. > > Once it is in protected mode, the hardware stops any attempt of VM > introspection by the hypervisor. > > Some features are currently not supported in protected mode: > * vfio devices > * Migration > * Huge page backings > > Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> > Reviewed-by: David Hildenbrand <da...@redhat.com> > Reviewed-by: Claudio Imbrenda <imbre...@linux.ibm.com> > Signed-off-by: Janosch Frank <fran...@linux.ibm.com> > --- > target/s390x/gen-features.c | 1 + > target/s390x/kvm.c | 8 ++++++++ > 2 files changed, 9 insertions(+) Reviewed-by: Cornelia Huck <coh...@redhat.com>