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net: Update [e/in]gress_needed static key to modern api

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No changes in semantics -- key init is false; replace

static_key_slow_inc|dec   with   static_branch_inc|dec
static_key_false          with   static_branch_unlikely

Added a '_key' suffix to both ingress_needed and egress_needed,
for better self documentation.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Davidlohr Bueso 2018-05-08 09:07:00 -07:00 committed by David S. Miller
parent a7950ae821
commit aabf6772cc
1 changed files with 8 additions and 8 deletions
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16
net/core/dev.c
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@ -1755,33 +1755,33 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
EXPORT_SYMBOL(call_netdevice_notifiers);
#ifdef CONFIG_NET_INGRESS
static struct static_key ingress_needed __read_mostly;
static DEFINE_STATIC_KEY_FALSE(ingress_needed_key);
void net_inc_ingress_queue(void)
{
static_key_slow_inc(&ingress_needed);
static_branch_inc(&ingress_needed_key);
}
EXPORT_SYMBOL_GPL(net_inc_ingress_queue);
void net_dec_ingress_queue(void)
{
static_key_slow_dec(&ingress_needed);
static_branch_dec(&ingress_needed_key);
}
EXPORT_SYMBOL_GPL(net_dec_ingress_queue);
#endif
#ifdef CONFIG_NET_EGRESS
static struct static_key egress_needed __read_mostly;
static DEFINE_STATIC_KEY_FALSE(egress_needed_key);
void net_inc_egress_queue(void)
{
static_key_slow_inc(&egress_needed);
static_branch_inc(&egress_needed_key);
}
EXPORT_SYMBOL_GPL(net_inc_egress_queue);
void net_dec_egress_queue(void)
{
static_key_slow_dec(&egress_needed);
static_branch_dec(&egress_needed_key);
}
EXPORT_SYMBOL_GPL(net_dec_egress_queue);
#endif
@ -3532,7 +3532,7 @@ static int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv)
#ifdef CONFIG_NET_CLS_ACT
skb->tc_at_ingress = 0;
# ifdef CONFIG_NET_EGRESS
if (static_key_false(&egress_needed)) {
if (static_branch_unlikely(&egress_needed_key)) {
skb = sch_handle_egress(skb, &rc, dev);
if (!skb)
goto out;
@ -4566,7 +4566,7 @@ another_round:
skip_taps:
#ifdef CONFIG_NET_INGRESS
if (static_key_false(&ingress_needed)) {
if (static_branch_unlikely(&ingress_needed_key)) {
skb = sch_handle_ingress(skb, &pt_prev, &ret, orig_dev);
if (!skb)
goto out;