Use likely/unlikely in data tx flow
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
Acked-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
---
Index: openib-1.1-rc6/drivers/infiniband/ulp/ipoib/ipoib_main.c
===================================================================
--- openib-1.1-rc6.orig/drivers/infiniband/ulp/ipoib/ipoib_main.c
2006-09-21 15:43:49.000000000 +0300
+++ openib-1.1-rc6/drivers/infiniband/ulp/ipoib/ipoib_main.c 2006-09-21
15:46:26.000000000 +0300
@@ -643,7 +643,7 @@
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;
/*
@@ -656,7 +656,7 @@
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;
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