KVM: s390: vsie: support 64-bit-SCAO
Let's provide the 64-bit-SCAO facility to guest 2, so he can set up a SCA
for guest 3 that has a 64 bit address. Please note that we already require
the 64 bit SCAO for our vsie implementation, in order to forward the SCA
directly (by pinning the page).
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3fb1242..e0c5a57 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -265,6 +265,8 @@
!test_facility(3))
return;
allow_cpu_feat(KVM_S390_VM_CPU_FEAT_SIEF2);
+ if (sclp.has_64bscao)
+ allow_cpu_feat(KVM_S390_VM_CPU_FEAT_64BSCAO);
}
int kvm_arch_init(void *opaque)