Re: [Qemu-devel] [PATCH for-2.5] virtio-blk/dataplane: parentize compat iothread

[Cornelia Huck <cornelia.huck@de.ibm.com>]

On Mon, 7 Dec 2015 16:33:11 +0000
Peter Maydell <peter.maydell@linaro.org> wrote:

> On 7 December 2015 at 16:27, Cornelia Huck <cornelia.huck@de.ibm.com> wrote:
> > On Mon,  7 Dec 2015 16:50:01 +0100
> > Cornelia Huck <cornelia.huck@de.ibm.com> wrote:
> >
> >> For x-data-plane=true, we create an iothread automatically for
> >> compatibility. Commit d21e877 ("iothread: include id in thread name")
> >> exposed that this iothread missed correct parenthood: fix this.
> >>
> >> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
> >> ---
> >>  hw/block/dataplane/virtio-blk.c | 3 +++
> >>  1 file changed, 3 insertions(+)
> >>
> >> diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
> >> index c42ddeb..c7e5668 100644
> >> --- a/hw/block/dataplane/virtio-blk.c
> >> +++ b/hw/block/dataplane/virtio-blk.c
> >> @@ -187,6 +187,9 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *conf,
> >>          object_initialize(&s->internal_iothread_obj,
> >>                            sizeof(s->internal_iothread_obj),
> >>                            TYPE_IOTHREAD);
> >> +        object_property_add_child(OBJECT(conf), TYPE_IOTHREAD,
> >> +                                  OBJECT(&s->internal_iothread_obj),
> >> +                                  &error_abort);
> >>          user_creatable_complete(OBJECT(&s->internal_iothread_obj), &error_abort);
> >>          s->iothread = &s->internal_iothread_obj;
> >>      }
> >
> > Scratch that, does not work... (I thought I was hitting the other
> > segfault in the block backend processing...)
> 
> Should I go ahead and apply Fam's "remove x-data-plane" patch then?

That's probably the quickest solution, as the iothread name patch is
useful and I haven't been able to come up with a correct patch.