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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2014-07-16 14:09:34 -07:00
parent 7a575f6b90 b6603fe574
commit 1a98c69af1
561 changed files with 5004 additions and 3113 deletions
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30
net/core/dev.c
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@@ -148,6 +148,9 @@ struct list_head ptype_all __read_mostly; /* Taps */
static struct list_head offload_base __read_mostly;
static int netif_rx_internal(struct sk_buff *skb);
static int call_netdevice_notifiers_info(unsigned long val,
struct net_device *dev,
struct netdev_notifier_info *info);
/*
* The @dev_base_head list is protected by @dev_base_lock and the rtnl
@@ -1214,7 +1217,11 @@ EXPORT_SYMBOL(netdev_features_change);
void netdev_state_change(struct net_device *dev)
{
if (dev->flags & IFF_UP) {
call_netdevice_notifiers(NETDEV_CHANGE, dev);
struct netdev_notifier_change_info change_info;
change_info.flags_changed = 0;
call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
&change_info.info);
rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL);
}
}
@@ -4234,9 +4241,8 @@ static int process_backlog(struct napi_struct *napi, int quota)
#endif
napi->weight = weight_p;
local_irq_disable();
while (work < quota) {
while (1) {
struct sk_buff *skb;
unsigned int qlen;
while ((skb = __skb_dequeue(&sd->process_queue))) {
local_irq_enable();
@@ -4250,24 +4256,24 @@ static int process_backlog(struct napi_struct *napi, int quota)
}
rps_lock(sd);
qlen = skb_queue_len(&sd->input_pkt_queue);
if (qlen)
skb_queue_splice_tail_init(&sd->input_pkt_queue,
&sd->process_queue);
if (qlen < quota - work) {
if (skb_queue_empty(&sd->input_pkt_queue)) {
/*
* Inline a custom version of __napi_complete().
* only current cpu owns and manipulates this napi,
* and NAPI_STATE_SCHED is the only possible flag set on backlog.
* we can use a plain write instead of clear_bit(),
* and NAPI_STATE_SCHED is the only possible flag set
* on backlog.
* We can use a plain write instead of clear_bit(),
* and we dont need an smp_mb() memory barrier.
*/
list_del(&napi->poll_list);
napi->state = 0;
rps_unlock(sd);
quota = work + qlen;
break;
}
skb_queue_splice_tail_init(&sd->input_pkt_queue,
&sd->process_queue);
rps_unlock(sd);
}
local_irq_enable();