diff options
author | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
commit | 95ee46aa8698f2000647dfb362400fadbb5807cf (patch) | |
tree | e5a05c7297f997e191c73091934e42e3195c0e40 /net/sched/sch_generic.c | |
parent | cfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff) | |
parent | 92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff) |
Merge branch 'linus' into release
Conflicts:
drivers/acpi/debug.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r-- | net/sched/sch_generic.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index a63029ef3ed..2aeb3a4386a 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -96,7 +96,7 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb, * Another cpu is holding lock, requeue & delay xmits for * some time. */ - __get_cpu_var(softnet_data).cpu_collision++; + __this_cpu_inc(softnet_data.cpu_collision); ret = dev_requeue_skb(skb, q); } @@ -205,7 +205,7 @@ void __qdisc_run(struct Qdisc *q) } } - clear_bit(__QDISC_STATE_RUNNING, &q->state); + qdisc_run_end(q); } unsigned long dev_trans_start(struct net_device *dev) @@ -327,6 +327,24 @@ void netif_carrier_off(struct net_device *dev) } EXPORT_SYMBOL(netif_carrier_off); +/** + * netif_notify_peers - notify network peers about existence of @dev + * @dev: network device + * + * Generate traffic such that interested network peers are aware of + * @dev, such as by generating a gratuitous ARP. This may be used when + * a device wants to inform the rest of the network about some sort of + * reconfiguration such as a failover event or virtual machine + * migration. + */ +void netif_notify_peers(struct net_device *dev) +{ + rtnl_lock(); + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); + rtnl_unlock(); +} +EXPORT_SYMBOL(netif_notify_peers); + /* "NOOP" scheduler: the best scheduler, recommended for all interfaces under all circumstances. It is difficult to invent anything faster or cheaper. @@ -543,6 +561,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, INIT_LIST_HEAD(&sch->list); skb_queue_head_init(&sch->q); + spin_lock_init(&sch->busylock); sch->ops = ops; sch->enqueue = ops->enqueue; sch->dequeue = ops->dequeue; @@ -779,7 +798,7 @@ static bool some_qdisc_is_busy(struct net_device *dev) spin_lock_bh(root_lock); - val = (test_bit(__QDISC_STATE_RUNNING, &q->state) || + val = (qdisc_is_running(q) || test_bit(__QDISC_STATE_SCHED, &q->state)); spin_unlock_bh(root_lock); |