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[net-next,02/12] net: hns3: use napi_schedule_irqoff in hard interrupts handlers

Message ID 1557110932-683-3-git-send-email-tanhuazhong@huawei.com
State Accepted
Delegated to: David Miller
Headers show
Series cleanup & optimizations & bugfixes for HNS3 driver | expand

Commit Message

tanhuazhong May 6, 2019, 2:48 a.m. UTC 
From: Yunsheng Lin <linyunsheng@huawei.com>

napi_schedule_irqoff is introduced to be used from hard interrupts
handlers or when irqs are already masked, see:

https://lists.openwall.net/netdev/2014/10/29/2

So this patch replaces napi_schedule with napi_schedule_irqoff.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 06dda77..ff3c9f1 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -74,7 +74,7 @@  static irqreturn_t hns3_irq_handle(int irq, void *vector)
 {
 	struct hns3_enet_tqp_vector *tqp_vector = vector;
 
-	napi_schedule(&tqp_vector->napi);
+	napi_schedule_irqoff(&tqp_vector->napi);
 
 	return IRQ_HANDLED;
 }