Messages in this thread Patch in this message | | | From | Xue Chaojing <> | Subject | [PATCH 3/3] net-next/hinic: fix a bug in rx data flow | Date | Thu, 15 Nov 2018 20:05:48 +0000 |
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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> --- 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 93e8f207f6da..f86f2e693224 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c @@ -229,9 +229,9 @@ static int rx_alloc_pkts(struct hinic_rxq *rxq) 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; } -- 2.17.1
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