KVM: s390: vsie: support IBS interpretation

We can easily enable ibs for guest 2, so he 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>

arch/s390/kvm/kvm-s390.c

@@ -277,6 +277,8 @@ static void kvm_s390_cpu_feat_init(void)
 		allow_cpu_feat(KVM_S390_VM_CPU_FEAT_IB);
 	if (sclp.has_cei)
 		allow_cpu_feat(KVM_S390_VM_CPU_FEAT_CEI);
+	if (sclp.has_ibs)
+		allow_cpu_feat(KVM_S390_VM_CPU_FEAT_IBS);
 }
 
 int kvm_arch_init(void *opaque)