diff options
| -rw-r--r-- | drivers/staging/rdma/hfi1/pio.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/staging/rdma/hfi1/pio.c b/drivers/staging/rdma/hfi1/pio.c index e888e214356b..c6849ce9e5eb 100644 --- a/drivers/staging/rdma/hfi1/pio.c +++ b/drivers/staging/rdma/hfi1/pio.c @@ -1545,7 +1545,7 @@ static void sc_piobufavail(struct send_context *sc) struct iowait *wait; if (n == ARRAY_SIZE(qps)) - goto full; + break; wait = list_first_entry(list, struct iowait, list); qp = iowait_to_qp(wait); priv = qp->priv; @@ -1554,12 +1554,14 @@ static void sc_piobufavail(struct send_context *sc) qps[n++] = qp; } /* - * Counting: only call wantpiobuf_intr() if there were waiters and they - * are now all gone. + * If there had been waiters and there are more + * insure that we redo the force to avoid a potential hang. */ - if (n) + if (n) { hfi1_sc_wantpiobuf_intr(sc, 0); -full: + if (!list_empty(list)) + hfi1_sc_wantpiobuf_intr(sc, 1); + } write_sequnlock_irqrestore(&dev->iowait_lock, flags); for (i = 0; i < n; i++) |