Re: [dpdk-dev] [PATCH] vchost: Notify application of ownership change

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2015-08-12 03:34, Xie, Huawei:
> On 8/8/2015 1:21 AM, Jan Kiszka wrote:
> > On VHOST_*_RESET_OWNER, we reinitialize the device but without telling
> > the application. That will cause crashes when it continues to invoke
> > vhost services on the device. Fix it by calling the destruction hook if
> > the device is still in use.
[...]
> > --- a/lib/librte_vhost/virtio-net.c
> > +++ b/lib/librte_vhost/virtio-net.c
> > @@ -402,6 +402,9 @@ reset_owner(struct vhost_device_ctx ctx)
> >
> >  	ll_dev = get_config_ll_entry(ctx);
> >
> > +	if ((ll_dev->dev.flags & VIRTIO_DEV_RUNNING))
> > +		notify_ops->destroy_device(&ll_dev->dev);
> 
> To me this patch makes sense here.
> Whether RESET_OWNER is really needed is another question. Whenever the
> vhost itself needs to process the vhost device, we need to notify the
> switch application to remove it from data plane.

Huawei,
some patches have been accepted for RESET_OWNER management.
Is this patch obsolete?