xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

netdev: Move _xmit_lock and xmit_lock_owner into netdev_queue.

Browse Source 
Accesses are mostly structured such that when there are multiple TX
queues the code transformations will be a little bit simpler.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-07-08 23:13:53 -07:00
parent eb6aafe3f8
commit c773e847ea
10 changed files with 146 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
net/sched/sch_generic.c
View File

@@ -92,10 +92,9 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
struct netdev_queue *dev_queue,
struct Qdisc *q)
{
struct net_device *dev = dev_queue->dev;
int ret;
if (unlikely(dev->xmit_lock_owner == smp_processor_id())) {
if (unlikely(dev_queue->xmit_lock_owner == smp_processor_id())) {
/*
* Same CPU holding the lock. It may be a transient
* configuration error, when hard_start_xmit() recurses. We
@@ -105,7 +104,7 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
kfree_skb(skb);
if (net_ratelimit())
printk(KERN_WARNING "Dead loop on netdevice %s, "
"fix it urgently!\n", dev->name);
"fix it urgently!\n", dev_queue->dev->name);
ret = qdisc_qlen(q);
} else {
/*
@@ -155,10 +154,10 @@ static inline int qdisc_restart(struct netdev_queue *txq)
dev = txq->dev;
HARD_TX_LOCK(dev, smp_processor_id());
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (!netif_subqueue_stopped(dev, skb))
ret = dev_hard_start_xmit(skb, dev);
HARD_TX_UNLOCK(dev);
HARD_TX_UNLOCK(dev, txq);
spin_lock(&txq->lock);
q = txq->qdisc;