summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/hfi1/rc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/hfi1/rc.c')
-rw-r--r--drivers/infiniband/hw/hfi1/rc.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index af5f7936f7e5..7eb5d50578ba 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -302,7 +302,6 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND))
goto bail;
/* We are in the error state, flush the work request. */
- smp_read_barrier_depends(); /* see post_one_send() */
if (qp->s_last == READ_ONCE(qp->s_head))
goto bail;
/* If DMAs are in progress, we can't flush immediately. */
@@ -346,7 +345,6 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
newreq = 0;
if (qp->s_cur == qp->s_tail) {
/* Check if send work queue is empty. */
- smp_read_barrier_depends(); /* see post_one_send() */
if (qp->s_tail == READ_ONCE(qp->s_head)) {
clear_ahg(qp);
goto bail;
@@ -900,7 +898,6 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd,
}
/* Ensure s_rdma_ack_cnt changes are committed */
- smp_read_barrier_depends();
if (qp->s_rdma_ack_cnt) {
hfi1_queue_rc_ack(qp, is_fecn);
return;
@@ -1562,7 +1559,6 @@ static void rc_rcv_resp(struct hfi1_packet *packet)
trace_hfi1_ack(qp, psn);
/* Ignore invalid responses. */
- smp_read_barrier_depends(); /* see post_one_send */
if (cmp_psn(psn, READ_ONCE(qp->s_next_psn)) >= 0)
goto ack_done;