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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_ruc.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_ruc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c
index 56668cb..2623684 100644
--- a/drivers/infiniband/hw/qib/qib_ruc.c
+++ b/drivers/infiniband/hw/qib/qib_ruc.c
@@ -795,6 +795,13 @@ void qib_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe,
if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND))
return;
+ last = qp->s_last;
+ old_last = last;
+ if (++last >= qp->s_size)
+ last = 0;
+ qp->s_last = last;
+ /* See post_send() */
+ barrier();
for (i = 0; i < wqe->wr.num_sge; i++) {
struct rvt_sge *sge = &wqe->sg_list[i];
@@ -822,11 +829,6 @@ void qib_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe,
status != IB_WC_SUCCESS);
}
- last = qp->s_last;
- old_last = last;
- if (++last >= qp->s_size)
- last = 0;
- qp->s_last = last;
if (qp->s_acked == old_last)
qp->s_acked = last;
if (qp->s_cur == old_last)
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