62deb62d99
Introduce guarded storage support for KVM guests on s390. We need to enable the capability, extend machine check validity, sigp store-additional-status-at-address, and migration. The feature is fenced for older machine type versions. Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>