On Thu, 27 Apr 2023 12:34:33 +0800, Wenliang Wang <wangwenliang.1995@xxxxxxxxxxxxx> wrote: > For multi-queue and large rx-ring-size use case, the following error Cound you give we one number for example? > occurred when free_unused_bufs: > rcu: INFO: rcu_sched self-detected stall on CPU. > > Signed-off-by: Wenliang Wang <wangwenliang.1995@xxxxxxxxxxxxx> > --- > drivers/net/virtio_net.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index ea1bd4bb326d..21d8382fd2c7 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -3565,6 +3565,7 @@ static void free_unused_bufs(struct virtnet_info *vi) > struct virtqueue *vq = vi->rq[i].vq; > while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) > virtnet_rq_free_unused_buf(vq, buf); > + schedule(); Just for rq? Do we need to do the same thing for sq? Thanks. > } > } > > -- > 2.20.1 > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
