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path: root/drivers/infiniband/hw/hns/hns_roce_cq.c
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_cq.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cq.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index 1b6d16af8c..2517c972c6 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -151,7 +151,7 @@ static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
return ret;
}
- ret = xa_err(xa_store(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL));
+ ret = xa_err(xa_store_irq(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL));
if (ret) {
ibdev_err(ibdev, "failed to xa_store CQ, ret = %d.\n", ret);
goto err_put;
@@ -164,7 +164,7 @@ static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
return 0;
err_xa:
- xa_erase(&cq_table->array, hr_cq->cqn);
+ xa_erase_irq(&cq_table->array, hr_cq->cqn);
err_put:
hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
@@ -183,7 +183,7 @@ static void free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
dev_err(dev, "DESTROY_CQ failed (%d) for CQN %06lx\n", ret,
hr_cq->cqn);
- xa_erase(&cq_table->array, hr_cq->cqn);
+ xa_erase_irq(&cq_table->array, hr_cq->cqn);
/* Waiting interrupt process procedure carried out */
synchronize_irq(hr_dev->eq_table.eq[hr_cq->vector].irq);
@@ -477,13 +477,6 @@ void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type)
struct ib_event event;
struct ib_cq *ibcq;
- hr_cq = xa_load(&hr_dev->cq_table.array,
- cqn & (hr_dev->caps.num_cqs - 1));
- if (!hr_cq) {
- dev_warn(dev, "async event for bogus CQ 0x%06x\n", cqn);
- return;
- }
-
if (event_type != HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID &&
event_type != HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR &&
event_type != HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW) {
@@ -492,7 +485,16 @@ void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type)
return;
}
- refcount_inc(&hr_cq->refcount);
+ xa_lock(&hr_dev->cq_table.array);
+ hr_cq = xa_load(&hr_dev->cq_table.array,
+ cqn & (hr_dev->caps.num_cqs - 1));
+ if (hr_cq)
+ refcount_inc(&hr_cq->refcount);
+ xa_unlock(&hr_dev->cq_table.array);
+ if (!hr_cq) {
+ dev_warn(dev, "async event for bogus CQ 0x%06x\n", cqn);
+ return;
+ }
ibcq = &hr_cq->ib_cq;
if (ibcq->event_handler) {