On 18.02.20 10:37, Christian Borntraeger wrote: > > > On 18.02.20 10:33, David Hildenbrand wrote: > eliver_prog(struct kvm_vcpu *vcpu) >>> { >>> struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; >>> @@ -856,6 +871,9 @@ static int __must_check __deliver_prog(struct kvm_vcpu *vcpu) >>> trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, KVM_S390_PROGRAM_INT, >>> pgm_info.code, 0); >>> >>> + if (kvm_s390_pv_is_protected(vcpu->kvm)) >> >> Can we actually ever have PER set, and what would happen if so? >> Shouldn't we also return -EINVAL? > > The ultravisor would add a concurrent PER event if appropriate. > Please add that to the patch description. Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb