On Thu, Dec 05, 2024 at 05:40:33AM -0500, Michael S. Tsirkin wrote:
> On Wed, Dec 04, 2024 at 02:07:20PM +0900, Koichiro Den wrote:
> > This will be used in the following commits, to ensure DQL reset occurs
> > iff. all unused buffers are actually recycled.
> >
> > Cc: <stable@vger.kernel.org> # v6.11+
> > Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
>
> to avoid adding an unused function, squash with a patch that uses it.
I originally seperated this out because some were supposed to land stable
tree while others not, and this was the common prerequisite. However, this
can be squahsed with [5/7] regardless of that, and should be done so as you
pointed out.
I'll do so and send v4 later, thanks for the review.
>
>
> > ---
> > drivers/net/virtio_net.c | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> > index 1b7a85e75e14..b3cbbd8052e4 100644
> > --- a/drivers/net/virtio_net.c
> > +++ b/drivers/net/virtio_net.c
> > @@ -503,6 +503,7 @@ struct virtio_net_common_hdr {
> > static struct virtio_net_common_hdr xsk_hdr;
> >
> > static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf);
> > +static void virtnet_sq_free_unused_buf_done(struct virtqueue *vq);
> > static int virtnet_xdp_handler(struct bpf_prog *xdp_prog, struct xdp_buff *xdp,
> > struct net_device *dev,
> > unsigned int *xdp_xmit,
> > @@ -6233,6 +6234,14 @@ static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf)
> > }
> > }
> >
> > +static void virtnet_sq_free_unused_buf_done(struct virtqueue *vq)
> > +{
> > + struct virtnet_info *vi = vq->vdev->priv;
> > + int i = vq2txq(vq);
> > +
> > + netdev_tx_reset_queue(netdev_get_tx_queue(vi->dev, i));
> > +}
> > +
> > static void free_unused_bufs(struct virtnet_info *vi)
> > {
> > void *buf;
> > --
> > 2.43.0
>