@@ -2999,8 +2999,10 @@ int bnxt_re_req_notify_cq(struct ib_cq *ib_cq,
enum ib_cq_notify_flags ib_cqn_flags)
{
struct bnxt_re_cq *cq = container_of(ib_cq, struct bnxt_re_cq, ib_cq);
- int type = 0;
+ int type = 0, rc = 0;
+ unsigned long flags;
+ spin_lock_irqsave(&cq->cq_lock, flags);
/* Trigger on the very next completion */
if (ib_cqn_flags & IB_CQ_NEXT_COMP)
type = DBR_DBR_TYPE_CQ_ARMALL;
@@ -3010,12 +3012,15 @@ int bnxt_re_req_notify_cq(struct ib_cq *ib_cq,
/* Poll to see if there are missed events */
if ((ib_cqn_flags & IB_CQ_REPORT_MISSED_EVENTS) &&
- !(bnxt_qplib_is_cq_empty(&cq->qplib_cq)))
- return 1;
-
+ !(bnxt_qplib_is_cq_empty(&cq->qplib_cq))) {
+ rc = 1;
+ goto exit;
+ }
bnxt_qplib_req_notify_cq(&cq->qplib_cq, type);
- return 0;
+exit:
+ spin_unlock_irqrestore(&cq->cq_lock, flags);
+ return rc;
}
/* Memory Regions */
Synchronize poll_cq and req_notify_cq verbs using cq_lock, instead of the lower level qplib->hwq.lock. Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)