On 21.09.2017 17:14, Christian Borntraeger wrote: > The migration interface for ais was introduced with kernel 4.13 > but the capability itself had been active since 4.12. As migration > support is considered necessary lets disable ais in the 2.10 > stable version. A proper fix and re-enablement will be done > for qemu 2.11. > > Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> > Reviewed-by: Cornelia Huck <coh...@redhat.com> > --- > target/s390x/kvm.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c > index c4c5791..eb0dbb3 100644 > --- a/target/s390x/kvm.c > +++ b/target/s390x/kvm.c > @@ -308,8 +308,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s) > } > } > > - /* Try to enable AIS facility */ > - kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0); > + /* > + * The migration interface for ais was introduced with kernel 4.13 > + * but the capability itself had been active since 4.12. As migration > + * support is considered necessary let's disable ais in the 2.10 > + * machine. > + */ > + /* kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0); */ > > qemu_mutex_init(&qemu_sigp_mutex); > >
Reviewed-by: David Hildenbrand <da...@redhat.com> -- Thanks, David
