> + /* Try to enable AIS facility */
> + kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0);
> +
> qemu_mutex_init(&qemu_sigp_mutex);
>
> return 0;
> @@ -2635,6 +2638,10 @@ void kvm_s390_get_host_cpu_model(S390CPUModel *model,
> Error **errp)
> set_bit(S390_FEAT_CMM, model->features);
> }
>
> + /* set zpci and aen facilities */
This comment is not helpful. This should rather say something like "we
emulate a zPCI bus in QEMU, therefore we don't depend on the host
capabilities"
> + set_bit(S390_FEAT_ZPCI, model->features);
> + set_bit(S390_FEAT_ADAPTER_EVENT_NOTIFICATION, model->features);
> +
> if (s390_known_cpu_type(cpu_type)) {
> /* we want the exact model, even if some features are missing */
> model->def = s390_find_cpu_def(cpu_type, ibc_gen(unblocked_ibc),
>
--
Thanks,
David
