net-use-cpu-light-in-ip-send-unicast-reply.patch

Subject: net: Use get_cpu_light() in ip_send_unicast_reply()
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 01 Oct 2012 17:12:35 +0100

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 net/ipv4/ip_output.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-stable/net/ipv4/ip_output.c
===================================================================
--- linux-stable.orig/net/ipv4/ip_output.c
+++ linux-stable/net/ipv4/ip_output.c
@@ -1516,7 +1516,8 @@ void ip_send_unicast_reply(struct net *n
 	if (IS_ERR(rt))
 		return;
 
-	inet = &get_cpu_var(unicast_sock);
+	get_cpu_light();
+	inet = &__get_cpu_var(unicast_sock);
 
 	inet->tos = arg->tos;
 	sk = &inet->sk;
@@ -1540,7 +1541,7 @@ void ip_send_unicast_reply(struct net *n
 		ip_push_pending_frames(sk, &fl4);
 	}
 
-	put_cpu_var(unicast_sock);
+	put_cpu_light();
 
 	ip_rt_put(rt);
 }