---

yaml
---
r: 96178
b: refs/heads/master
c: 12137c5
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ab69b3cf1219e0d07bb4ea373f36b1de38af531c
+refs/heads/master: 12137c593d127c6c1a3eb050674da047682badaf

trunk/drivers/infiniband/hw/ehca/ehca_classes.h

@@ -192,6 +192,8 @@ struct ehca_qp {
 	int mtu_shift;
 	u32 message_count;
 	u32 packet_count;
+	atomic_t nr_events; /* events seen */
+	wait_queue_head_t wait_completion;
 };
 
 #define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ)

trunk/drivers/infiniband/hw/ehca/ehca_irq.c

@@ -204,6 +204,8 @@ static void qp_event_callback(struct ehca_shca *shca, u64 eqe,
 
 	read_lock(&ehca_qp_idr_lock);
 	qp = idr_find(&ehca_qp_idr, token);
+	if (qp)
+		atomic_inc(&qp->nr_events);
 	read_unlock(&ehca_qp_idr_lock);
 
 	if (!qp)
@@ -223,6 +225,8 @@ static void qp_event_callback(struct ehca_shca *shca, u64 eqe,
 	if (fatal && qp->ext_type == EQPT_SRQBASE)
 		dispatch_qp_event(shca, qp, IB_EVENT_QP_LAST_WQE_REACHED);
 
+	if (atomic_dec_and_test(&qp->nr_events))
+		wake_up(&qp->wait_completion);
 	return;
 }
 

trunk/drivers/infiniband/hw/ehca/ehca_qp.c

@@ -566,6 +566,8 @@ static struct ehca_qp *internal_create_qp(
 		return ERR_PTR(-ENOMEM);
 	}
 
+	atomic_set(&my_qp->nr_events, 0);
+	init_waitqueue_head(&my_qp->wait_completion);
 	spin_lock_init(&my_qp->spinlock_s);
 	spin_lock_init(&my_qp->spinlock_r);
 	my_qp->qp_type = qp_type;
@@ -1934,6 +1936,9 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
 	idr_remove(&ehca_qp_idr, my_qp->token);
 	write_unlock_irqrestore(&ehca_qp_idr_lock, flags);
 
+	/* now wait until all pending events have completed */
+	wait_event(my_qp->wait_completion, !atomic_read(&my_qp->nr_events));
+
 	h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp);
 	if (h_ret != H_SUCCESS) {
 		ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%li "