linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH net-next 1/2] hinic: Fix a irq affinity bug
@ 2020-02-18 19:40 Luo bin
  2020-02-18 19:40 ` [PATCH net-next 2/2] hinic: Fix a bug of setting hw_ioctxt Luo bin
  2020-02-19 18:47 ` [PATCH net-next 1/2] hinic: Fix a irq affinity bug David Miller
  0 siblings, 2 replies; 6+ messages in thread
From: Luo bin @ 2020-02-18 19:40 UTC (permalink / raw)
  To: davem; +Cc: linux-kernel, netdev, aviad.krawczyk, luobin9, luoxianjun

do not use a local variable as an input parameter of irq_set_affinity_hint

Signed-off-by: Luo bin <luobin9@huawei.com>
---
 drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h | 1 +
 drivers/net/ethernet/huawei/hinic/hinic_rx.c    | 5 ++---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
index f4a339b10b10..79091e131418 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
@@ -94,6 +94,7 @@ struct hinic_rq {
 
 	struct hinic_wq         *wq;
 
+	struct cpumask		affinity_mask;
 	u32                     irq;
 	u16                     msix_entry;
 
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index 56ea6d692f1c..2695ad69fca6 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -475,7 +475,6 @@ static int rx_request_irq(struct hinic_rxq *rxq)
 	struct hinic_hwdev *hwdev = nic_dev->hwdev;
 	struct hinic_rq *rq = rxq->rq;
 	struct hinic_qp *qp;
-	struct cpumask mask;
 	int err;
 
 	rx_add_napi(rxq);
@@ -492,8 +491,8 @@ static int rx_request_irq(struct hinic_rxq *rxq)
 	}
 
 	qp = container_of(rq, struct hinic_qp, rq);
-	cpumask_set_cpu(qp->q_id % num_online_cpus(), &mask);
-	return irq_set_affinity_hint(rq->irq, &mask);
+	cpumask_set_cpu(qp->q_id % num_online_cpus(), &rq->affinity_mask);
+	return irq_set_affinity_hint(rq->irq, &rq->affinity_mask);
 }
 
 static void rx_free_irq(struct hinic_rxq *rxq)
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-02-27  8:40 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-02-18 19:40 [PATCH net-next 1/2] hinic: Fix a irq affinity bug Luo bin
2020-02-18 19:40 ` [PATCH net-next 2/2] hinic: Fix a bug of setting hw_ioctxt Luo bin
2020-02-19 18:48   ` David Miller
2020-02-27  8:39     ` luobin (L)
2020-02-19 18:47 ` [PATCH net-next 1/2] hinic: Fix a irq affinity bug David Miller
2020-02-27  8:39   ` luobin (L)

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).