Re: [PATCH net-next v6 10/10] virtio_net: xsk: rx: free the unused xsk buffer

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On Thu, Jun 20, 2024 at 12:46:24PM +0200, Paolo Abeni wrote:
> On Tue, 2024-06-18 at 15:56 +0800, Xuan Zhuo wrote:
> > Release the xsk buffer, when the queue is releasing or the queue is
> > resizing.
> > 
> > Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/net/virtio_net.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> > index cfa106aa8039..33695b86bd99 100644
> > --- a/drivers/net/virtio_net.c
> > +++ b/drivers/net/virtio_net.c
> > @@ -967,6 +967,11 @@ static void virtnet_rq_unmap_free_buf(struct virtqueue *vq, void *buf)
> >  
> >  	rq = &vi->rq[i];
> >  
> > +	if (rq->xsk.pool) {
> > +		xsk_buff_free((struct xdp_buff *)buf);
> > +		return;
> > +	}
> > +
> >  	if (!vi->big_packets || vi->mergeable_rx_bufs)
> >  		virtnet_rq_unmap(rq, buf, 0);
> 
> 
> I'm under the impression this should be squashed in a previous patch,
> likely "virtio_net: xsk: bind/unbind xsk for rx"
> 
> Thanks,
> 
> Paolo


agreed, looks weird.





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