From: Xue Chaojing xuechaojing@huawei.com
[ Upstream commit b1a200484143a727ce293e0f200a543cc7584152 ]
In rx_alloc_pkts(), there is a loop call of tasklet, which causes 100% cpu utilization, even no packets are being received. This patch fixes this bug.
Signed-off-by: Xue Chaojing xuechaojing@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/huawei/hinic/hinic_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c index 4c0f7eda1166c..06b24a92ed7d4 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c @@ -207,9 +207,9 @@ skb_out: wmb(); /* write all the wqes before update PI */
hinic_rq_update(rxq->rq, prod_idx); + tasklet_schedule(&rxq->rx_task); }
- tasklet_schedule(&rxq->rx_task); return i; }