Re: [Qemu-devel] [PATCH v7 16/24] vhost user: add rarp sending after live migration for legacy guest

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Oct 02, 2015 at 09:55:01AM -0400, Marc-André Lureau wrote:
> 
> 
> ----- Original Message -----
> > On Thu, Oct 01, 2015 at 07:24:00PM +0200, marcandre.lureau@redhat.com wrote:
> > > diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
> > > index 840f443..da66b64 100644
> > > --- a/hw/net/vhost_net.c
> > > +++ b/hw/net/vhost_net.c
> > > @@ -388,6 +388,18 @@ void vhost_net_cleanup(struct vhost_net *net)
> > >      g_free(net);
> > >  }
> > >  
> > > +int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
> > > +{
> > > +    const VhostOps *vhost_ops = net->dev.vhost_ops;
> > > +    int r = -1;
> > > +
> > > +    if (vhost_ops->vhost_migration_done) {
> > > +        r = vhost_ops->vhost_migration_done(&net->dev, mac_addr);
> > > +    }
> > > +
> > > +    return r;
> > > +}
> > > +
> > >  bool vhost_net_virtqueue_pending(VHostNetState *net, int idx)
> > >  {
> > >      return vhost_virtqueue_pending(&net->dev, idx);
> > > @@ -479,6 +491,11 @@ void vhost_net_virtqueue_mask(VHostNetState *net,
> > > VirtIODevice *dev,
> > >  {
> > >  }
> > >  
> > > +int vhost_net_notify_migration_done(struct vhost_net *net)
> > > +{
> > > +    return -1;
> > > +}
> > > +
> > >  VHostNetState *get_vhost_net(NetClientState *nc)
> > >  {
> > >      return 0;
> > 
> > This signature does not fit the one above.
> > How was this tested?
> > 
> 
> Good question, I totally missed that. It has been there since Thibaut v6 series.
> 
> I guess we all compile with CONFIG_VHOST_NET, and adding the missing char* mac_addr is enough to fix this.

You will catch this if you build and test all targets.

-- 
MST