---

yaml
---
r: 57011
b: refs/heads/master
c: c0be5fb
h: refs/heads/master
i:
  57009: 5026e25
  57007: 3ce3e45
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 02d89b87081f516ad3993637f9b75db0d9786554
+refs/heads/master: c0be5fb5f835110652911ea8b88ad78f841e5b45

trunk/drivers/infiniband/hw/mlx4/qp.c

@@ -270,9 +270,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 			    struct ib_qp_init_attr *init_attr,
 			    struct ib_udata *udata, int sqpn, struct mlx4_ib_qp *qp)
 {
-	struct mlx4_wqe_ctrl_seg *ctrl;
 	int err;
-	int i;
 
 	mutex_init(&qp->mutex);
 	spin_lock_init(&qp->sq.lock);
@@ -352,11 +350,6 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 		if (err)
 			goto err_mtt;
 
-		for (i = 0; i < qp->sq.max; ++i) {
-			ctrl = get_send_wqe(qp, i);
-			ctrl->owner_opcode = cpu_to_be32(1 << 31);
-		}
-
 		qp->sq.wrid  = kmalloc(qp->sq.max * sizeof (u64), GFP_KERNEL);
 		qp->rq.wrid  = kmalloc(qp->rq.max * sizeof (u64), GFP_KERNEL);
 
@@ -878,6 +871,21 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 	else
 		sqd_event = 0;
 
+	/*
+	 * Before passing a kernel QP to the HW, make sure that the
+	 * ownership bits of the send queue are set so that the
+	 * hardware doesn't start processing stale work requests.
+	 */
+	if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
+		struct mlx4_wqe_ctrl_seg *ctrl;
+		int i;
+
+		for (i = 0; i < qp->sq.max; ++i) {
+			ctrl = get_send_wqe(qp, i);
+			ctrl->owner_opcode = cpu_to_be32(1 << 31);
+		}
+	}
+
 	err = mlx4_qp_modify(dev->dev, &qp->mtt, to_mlx4_state(cur_state),
 			     to_mlx4_state(new_state), context, optpar,
 			     sqd_event, &qp->mqp);