diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2006-09-22 15:22:58 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-09-22 15:22:58 -0700 |
| commit | a8bfca024326560d86c6323b0504288ca55a75fc (patch) | |
| tree | cc3bae75628c57b8f70a0ed66beee62201557bad /drivers/infiniband/ulp/ipoib/ipoib_main.c | |
| parent | 507c33504686e733a14ef0b2dc9db0c20fae4653 (diff) | |
| download | lwn-a8bfca024326560d86c6323b0504288ca55a75fc.tar.gz lwn-a8bfca024326560d86c6323b0504288ca55a75fc.zip | |
IPoIB: Add some likely/unlikely annotations in hot path
Signed-off-by: Eli Cohen <eli@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 867d62742054..1eaf00e9862c 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -620,7 +620,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) struct ipoib_neigh *neigh; unsigned long flags; - if (!spin_trylock_irqsave(&priv->tx_lock, flags)) + if (unlikely(!spin_trylock_irqsave(&priv->tx_lock, flags))) return NETDEV_TX_LOCKED; /* @@ -633,7 +633,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - if (skb->dst && skb->dst->neighbour) { + if (likely(skb->dst && skb->dst->neighbour)) { if (unlikely(!*to_ipoib_neigh(skb->dst->neighbour))) { ipoib_path_lookup(skb, dev); goto out; |