KVM: s390: vsie: support intervention-bypass
We can easily enable intervention bypass for guest 2, so it can use it
for guest 3.
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/vsie.c b/arch/s390/kvm/vsie.c
index ea65bf2..d29bd59 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -322,6 +322,8 @@
scb_s->ecb3 |= scb_o->ecb3 & 0x01U;
if (test_kvm_cpu_feat(vcpu->kvm, KVM_S390_VM_CPU_FEAT_SIIF))
scb_s->eca |= scb_o->eca & 0x00000001U;
+ if (test_kvm_cpu_feat(vcpu->kvm, KVM_S390_VM_CPU_FEAT_IB))
+ scb_s->eca |= scb_o->eca & 0x40000000U;
prepare_ibc(vcpu, vsie_page);
rc = shadow_crycb(vcpu, vsie_page);