AcoSail/kernel_optimize_test
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IPoIB: Remove priv->mcast_mutex

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No need for a mutex around calls to ib_attach_mcast/ib_detach_mcast
since these operations are synchronized at the HW driver layer.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Eli Cohen 2008-07-14 23:48:50 -07:00 committed by Roland Dreier
parent c03d4731b5
commit 5892eff91a
3 changed files with 0 additions and 6 deletions
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1
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -277,7 +277,6 @@ struct ipoib_dev_priv {
unsigned long flags;
struct mutex mcast_mutex;
struct mutex vlan_mutex;
struct rb_root path_tree;

1
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -1072,7 +1072,6 @@ static void ipoib_setup(struct net_device *dev)
spin_lock_init(&priv->lock);
spin_lock_init(&priv->tx_lock);
mutex_init(&priv->mcast_mutex);
mutex_init(&priv->vlan_mutex);
INIT_LIST_HEAD(&priv->path_list);

4
drivers/infiniband/ulp/ipoib/ipoib_verbs.c
View File

@ -61,9 +61,7 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
}
/* attach QP to multicast group */
mutex_lock(&priv->mcast_mutex);
ret = ib_attach_mcast(priv->qp, mgid, mlid);
mutex_unlock(&priv->mcast_mutex);
if (ret)
ipoib_warn(priv, "failed to attach to multicast group, ret = %d\n", ret);
@ -77,9 +75,7 @@ int ipoib_mcast_detach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
struct ipoib_dev_priv *priv = netdev_priv(dev);
int ret;
mutex_lock(&priv->mcast_mutex);
ret = ib_detach_mcast(priv->qp, mgid, mlid);
mutex_unlock(&priv->mcast_mutex);
if (ret)
ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);