From d6d9ca0fec6aea0f2e4064474a1c5cdbed873c63 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 19 Jul 2010 10:48:49 +0000
Subject: [PATCH] net: this_cpu_xxx conversions
Use modern this_cpu_xxx() api, saving few bytes on x86
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/sock.c | 5 ++---
net/sched/sch_generic.c | 2 +-
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/net/core/sock.c b/net/core/sock.c
index 363bc260157c..b05b9b6ddb87 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2232,8 +2232,7 @@ static DECLARE_BITMAP(proto_inuse_idx, PROTO_INUSE_NR);
#ifdef CONFIG_NET_NS
void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
{
- int cpu = smp_processor_id();
- per_cpu_ptr(net->core.inuse, cpu)->val[prot->inuse_idx] += val;
+ __this_cpu_add(net->core.inuse->val[prot->inuse_idx], val);
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
@@ -2279,7 +2278,7 @@ static DEFINE_PER_CPU(struct prot_inuse, prot_inuse);
void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
{
- __get_cpu_var(prot_inuse).val[prot->inuse_idx] += val;
+ __this_cpu_add(prot_inuse.val[prot->inuse_idx], val);
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index d20fcd2a5519..2aeb3a4386a1 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);
}
--
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