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| author | Eli Cohen <eli@mellanox.co.il> | 2008-07-14 23:48:50 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-07-14 23:48:50 -0700 |
| commit | 5892eff91ad60ba365ae7f75050ce464036c5396 (patch) | |
| tree | 8f1ddce8b1f71688ed60d6d9a8f47ede4e7067fe /drivers/infiniband | |
| parent | c03d4731b5b6de45b95a10bf1d510dde423d6757 (diff) | |
| download | kernel-crypto-5892eff91ad60ba365ae7f75050ce464036c5396.tar.gz kernel-crypto-5892eff91ad60ba365ae7f75050ce464036c5396.tar.xz kernel-crypto-5892eff91ad60ba365ae7f75050ce464036c5396.zip | |
IPoIB: Remove priv->mcast_mutex
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>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 4 |
3 files changed, 0 insertions, 6 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 66a897567ea..b8753222c87 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -277,7 +277,6 @@ struct ipoib_dev_priv { unsigned long flags; - struct mutex mcast_mutex; struct mutex vlan_mutex; struct rb_root path_tree; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index b3fd7e8333c..8be9ea0436e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -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); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 96f9aa79cbb..f50ebe0643e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -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); |