diff options
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_ib.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 72626c348174..cb02466a0eb9 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -659,6 +659,24 @@ void ipoib_reap_ah(struct work_struct *work) round_jiffies_relative(HZ)); } +static void ipoib_flush_ah(struct net_device *dev, int flush) +{ + struct ipoib_dev_priv *priv = netdev_priv(dev); + + cancel_delayed_work(&priv->ah_reap_task); + if (flush) + flush_workqueue(ipoib_workqueue); + ipoib_reap_ah(&priv->ah_reap_task.work); +} + +static void ipoib_stop_ah(struct net_device *dev, int flush) +{ + struct ipoib_dev_priv *priv = netdev_priv(dev); + + set_bit(IPOIB_STOP_REAPER, &priv->flags); + ipoib_flush_ah(dev, flush); +} + static void ipoib_ib_tx_timer_func(unsigned long ctx) { drain_tx_cq((struct net_device *)ctx); @@ -877,24 +895,7 @@ timeout: if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE)) ipoib_warn(priv, "Failed to modify QP to RESET state\n"); - /* Wait for all AHs to be reaped */ - set_bit(IPOIB_STOP_REAPER, &priv->flags); - cancel_delayed_work(&priv->ah_reap_task); - if (flush) - flush_workqueue(ipoib_workqueue); - - begin = jiffies; - - while (!list_empty(&priv->dead_ahs)) { - __ipoib_reap_ah(dev); - - if (time_after(jiffies, begin + HZ)) { - ipoib_warn(priv, "timing out; will leak address handles\n"); - break; - } - - msleep(1); - } + ipoib_flush_ah(dev, flush); ib_req_notify_cq(priv->recv_cq, IB_CQ_NEXT_COMP); @@ -1037,6 +1038,7 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, if (level == IPOIB_FLUSH_LIGHT) { ipoib_mark_paths_invalid(dev); ipoib_mcast_dev_flush(dev); + ipoib_flush_ah(dev, 0); } if (level >= IPOIB_FLUSH_NORMAL) @@ -1100,6 +1102,14 @@ void ipoib_ib_dev_cleanup(struct net_device *dev) ipoib_mcast_stop_thread(dev, 1); ipoib_mcast_dev_flush(dev); + /* + * All of our ah references aren't free until after + * ipoib_mcast_dev_flush(), ipoib_flush_paths, and + * the neighbor garbage collection is stopped and reaped. + * That should all be done now, so make a final ah flush. + */ + ipoib_stop_ah(dev, 1); + ipoib_transport_dev_cleanup(dev); } |