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Commit c88a7858 authored by Selvin Xavier's avatar Selvin Xavier Committed by Doug Ledford
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RDMA/bnxt_re: Flush CQ notification Work Queue before destroying QP 



Destroy_qp shall wait for any outstanding CQ notification to be
flushed out before proceeding with QP destroy. Flushing the WQ
before destroying the QP.

Signed-off-by: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 237379fc

drivers/infiniband/hw/bnxt_re/ib_verbs.c

+1 −0
Original line number Diff line number Diff line
@@ -785,6 +785,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp) 
	struct bnxt_re_dev *rdev = qp->rdev;

	int rc;



	bnxt_qplib_flush_cqn_wq(&qp->qplib_qp);

	bnxt_qplib_del_flush_qp(&qp->qplib_qp);

	rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp);

	if (rc) {

drivers/infiniband/hw/bnxt_re/qplib_fp.c

+7 −0
Original line number Diff line number Diff line
@@ -2537,3 +2537,10 @@ void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type) 
	atomic_set(&cq->arm_state, 1);

	spin_unlock_irqrestore(&cq->hwq.lock, flags);

}



void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp)

{

	flush_workqueue(qp->scq->nq->cqn_wq);

	if (qp->scq != qp->rcq)

		flush_workqueue(qp->rcq->nq->cqn_wq);

}

drivers/infiniband/hw/bnxt_re/qplib_fp.h

+1 −0
Original line number Diff line number Diff line
@@ -478,4 +478,5 @@ void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp, 
int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq,

				  struct bnxt_qplib_cqe *cqe,

				  int num_cqes);

void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp);

#endif /* __BNXT_QPLIB_FP_H__ */