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authorDavid S. Miller <davem@davemloft.net>2008-04-02 22:35:23 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-02 22:35:23 -0700
commite1ec1b8ccdf0df6000faa8c2d985ca5f94157e5a (patch)
tree4e1ca325dde22f1ac21c9da0be509e87e922e604 /net/sched
parentc0f39322c335412339dec16ebfd2a05ceba5ebcf (diff)
parent802fb176d8c635ae42da31b80841c26e8c7338a0 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/s2io.c
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/sch_generic.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 10b5c0887ff..b741618e4d5 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -184,10 +184,22 @@ static inline int qdisc_restart(struct net_device *dev)
void __qdisc_run(struct net_device *dev)
{
- do {
- if (!qdisc_restart(dev))
+ unsigned long start_time = jiffies;
+
+ while (qdisc_restart(dev)) {
+ if (netif_queue_stopped(dev))
+ break;
+
+ /*
+ * Postpone processing if
+ * 1. another process needs the CPU;
+ * 2. we've been doing it for too long.
+ */
+ if (need_resched() || jiffies != start_time) {
+ netif_schedule(dev);
break;
- } while (!netif_queue_stopped(dev));
+ }
+ }
clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state);
}