[PATCH net-next] ipv6: icmp: use this_cpu_read() in icmpv6_sk()

[Eric Dumazet]

In general, this_cpu_read(*X) is faster than *this_cpu_ptr(X)

Also remove the inline attibute, totally useless.

Signed-off-by: Eric Dumazet <eduma...@google.com>
Cc: Kefeng Wang <wangkefeng.w...@huawei.com>
---
 net/ipv6/icmp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 
afb915807cd0109e02df6e0858319c0ff78c33e8..d274f5b64afe0c5325d6f14c33842b7da61653e8
 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -79,9 +79,9 @@
  *
  *     On SMP we have one ICMP socket per-cpu.
  */
-static inline struct sock *icmpv6_sk(struct net *net)
+static struct sock *icmpv6_sk(struct net *net)
 {
-       return *this_cpu_ptr(net->ipv6.icmp_sk);
+       return this_cpu_read(*net->ipv6.icmp_sk);
 }
 
 static int icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-- 
2.22.0.rc1.257.g3120a18244-goog