diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_srq.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_srq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c index 14cbbd633d34..40c36ec19016 100644 --- a/drivers/infiniband/hw/ipath/ipath_srq.c +++ b/drivers/infiniband/hw/ipath/ipath_srq.c @@ -80,6 +80,8 @@ int ipath_post_srq_receive(struct ib_srq *ibsrq, struct ib_recv_wr *wr, wqe->num_sge = wr->num_sge; for (i = 0; i < wr->num_sge; i++) wqe->sg_list[i] = wr->sg_list[i]; + /* Make sure queue entry is written before the head index. */ + smp_wmb(); wq->head = next; spin_unlock_irqrestore(&srq->rq.lock, flags); } |
