Re: [Qemu-devel] [PATCH v3] numa: we don't implement NUMA for s390x

[Cornelia Huck <cohuck@redhat.com>]

On Tue, 27 Feb 2018 12:02:55 +0100
David Hildenbrand <david@redhat.com> wrote:

> Right now it is possible to crash QEMU for s390x by providing e.g.
>     -numa node,nodeid=0,cpus=0-1
> 
> Problem is, that numa.c uses mc->cpu_index_to_instance_props as an
> indicator whether NUMA is supported by a machine type. We don't
> implement NUMA for s390x ("topology") yet. However we need
> mc->cpu_index_to_instance_props for query-cpus.
> 
> So let's fix this case by also checking for mc->get_default_cpu_node_id,
> which will be needed by machine_set_cpu_numa_node().
> 
> qemu-system-s390x: -numa node,nodeid=0,cpus=0-1: NUMA is not supported by
>                    this machine-type
> 
> While at it, make s390_cpu_index_to_props() look like on other
> architectures.
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
>  hw/s390x/s390-virtio-ccw.c | 8 +++++---
>  numa.c                     | 2 +-
>  2 files changed, 6 insertions(+), 4 deletions(-)

Thanks, applied.