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| author | David S. Miller <davem@davemloft.net> | 2008-07-17 00:53:03 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-17 19:21:30 -0700 |
| commit | 83874000929ed63aef30b44083a9f713135ff040 (patch) | |
| tree | 7646fd185751cad8665eca19aa3f87d13c37eade /drivers/net | |
| parent | c7e4f3bbb4ba4e48ab3b529d5016e454cee1ccd6 (diff) | |
| download | linux-83874000929ed63aef30b44083a9f713135ff040.tar.gz linux-83874000929ed63aef30b44083a9f713135ff040.tar.bz2 linux-83874000929ed63aef30b44083a9f713135ff040.zip | |
pkt_sched: Kill netdev_queue lock.
We can simply use the qdisc->q.lock for all of the
qdisc tree synchronization.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ifb.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 897b05e79ed0..0960e69b2da4 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -35,7 +35,6 @@ #include <linux/moduleparam.h> #include <net/pkt_sched.h> #include <net/net_namespace.h> -#include <linux/lockdep.h> #define TX_TIMEOUT (2*HZ) @@ -228,22 +227,6 @@ static struct rtnl_link_ops ifb_link_ops __read_mostly = { module_param(numifbs, int, 0); MODULE_PARM_DESC(numifbs, "Number of ifb devices"); -/* - * dev_ifb's TX queue lock is usually taken after dev->rx_queue.lock, - * reversely to e.g. qdisc_lock_tree(). It should be safe until - * ifb doesn't take dev's TX queue lock with dev_ifb->rx_queue.lock. - * But lockdep should know that ifb has different locks from dev. - */ -static struct lock_class_key ifb_tx_queue_lock_key; -static struct lock_class_key ifb_rx_queue_lock_key; - -static void set_tx_lockdep_key(struct net_device *dev, - struct netdev_queue *txq, - void *_unused) -{ - lockdep_set_class(&txq->lock, &ifb_tx_queue_lock_key); -} - static int __init ifb_init_one(int index) { struct net_device *dev_ifb; @@ -264,9 +247,6 @@ static int __init ifb_init_one(int index) if (err < 0) goto err; - netdev_for_each_tx_queue(dev_ifb, set_tx_lockdep_key, NULL); - lockdep_set_class(&dev_ifb->rx_queue.lock, &ifb_rx_queue_lock_key); - return 0; err: |