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authorXuan Zhuo <xuanzhuo@linux.alibaba.com>2021-09-18 14:06:15 +0800
committerDavid S. Miller <davem@davemloft.net>2021-09-19 12:46:17 +0100
commit9ce4e3d6d85600153e61c4b8c3c346bd84d84470 (patch)
tree8b5de1d26d4684fd0b20761bc9a2cb5a8cb63b4b /drivers/net/virtio_net.c
parentdb9c8e2b1e246fc2dc20828932949437793146cc (diff)
virtio_net: use netdev_warn_once to output warn when without enough queues
This warning is output when virtnet does not have enough queues, but it only needs to be printed once to inform the user of this situation. It is not necessary to print it every time. If the user loads xdp frequently, this log appears too much. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 271d38c1d9f8..34f20993ba6b 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2530,8 +2530,8 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
/* XDP requires extra queues for XDP_TX */
if (curr_qp + xdp_qp > vi->max_queue_pairs) {
- netdev_warn(dev, "XDP request %i queues but max is %i. XDP_TX and XDP_REDIRECT will operate in a slower locked tx mode.\n",
- curr_qp + xdp_qp, vi->max_queue_pairs);
+ netdev_warn_once(dev, "XDP request %i queues but max is %i. XDP_TX and XDP_REDIRECT will operate in a slower locked tx mode.\n",
+ curr_qp + xdp_qp, vi->max_queue_pairs);
xdp_qp = 0;
}