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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-04-20 17:02:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:29:22 -0700 |
| commit | 9be9a6b983314dd57e2c5ba548dee8b53d338ac3 (patch) | |
| tree | 93972a232c26fd4175bf3bf0af0299fcc18a64a3 | |
| parent | 42dc9cd54b7290f862874a2544e50395e5719985 (diff) | |
| download | linux-9be9a6b983314dd57e2c5ba548dee8b53d338ac3.tar.gz linux-9be9a6b983314dd57e2c5ba548dee8b53d338ac3.tar.xz | |
[NET]: Get rid of netdev_nit
It isn't any faster to test a boolean global variable than do a simple
check for empty list.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/core/dev.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index c8f5ea9aea81..431998d9cee9 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -226,12 +226,6 @@ extern void netdev_unregister_sysfs(struct net_device *); *******************************************************************************/ /* - * For efficiency - */ - -static int netdev_nit; - -/* * Add a protocol ID to the list. Now that the input handler is * smarter we can dispense with all the messy stuff that used to be * here. @@ -265,10 +259,9 @@ void dev_add_pack(struct packet_type *pt) int hash; spin_lock_bh(&ptype_lock); - if (pt->type == htons(ETH_P_ALL)) { - netdev_nit++; + if (pt->type == htons(ETH_P_ALL)) list_add_rcu(&pt->list, &ptype_all); - } else { + else { hash = ntohs(pt->type) & 15; list_add_rcu(&pt->list, &ptype_base[hash]); } @@ -295,10 +288,9 @@ void __dev_remove_pack(struct packet_type *pt) spin_lock_bh(&ptype_lock); - if (pt->type == htons(ETH_P_ALL)) { - netdev_nit--; + if (pt->type == htons(ETH_P_ALL)) head = &ptype_all; - } else + else head = &ptype_base[ntohs(pt->type) & 15]; list_for_each_entry(pt1, head, list) { @@ -1330,7 +1322,7 @@ static int dev_gso_segment(struct sk_buff *skb) int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { if (likely(!skb->next)) { - if (netdev_nit) + if (!list_empty(&ptype_all)) dev_queue_xmit_nit(skb, dev); if (netif_needs_gso(dev, skb)) { |