On Mon, Nov 09, 2015 at 06:15:13PM -0800, Rich Lane wrote:
> QEMU sends this message first when shutting down. There was previously no way
> for the dataplane to know that the virtio_net instance had become unusable and
> it would segfault when trying to do RX/TX.
>
> Signed-off-by: Rich Lane <rlane at bigswitch.com>
Thanks. Even I have same patch in my patch queue (I have some other
issues to fix), you got my ack.
Acked-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
--yliu
> ---
> lib/librte_vhost/virtio-net.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
> index 14278de..39a6a5e 100644
> --- a/lib/librte_vhost/virtio-net.c
> +++ b/lib/librte_vhost/virtio-net.c
> @@ -436,6 +436,9 @@ reset_owner(struct vhost_device_ctx ctx)
> if (dev == NULL)
> return -1;
>
> + if (dev->flags & VIRTIO_DEV_RUNNING)
> + notify_ops->destroy_device(dev);
> +
> device_fh = dev->device_fh;
> cleanup_device(dev);
> init_device(dev);
> --
> 1.9.1
