From ef9a9d1183b36fbf3de327f44596533b770c3005 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 17:51:26 +0000
Subject: ipv6 sit: RCU conversion phase I

SIT tunnels use one rwlock to protect their prl entries.

This first patch adds RCU locking for prl management,
with standard call_rcu() calls.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ipip.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/net/ipip.h')

diff --git a/include/net/ipip.h b/include/net/ipip.h
index 86f1c8bd040c..b3db2fd6e61c 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -45,6 +45,7 @@ struct ip_tunnel_prl_entry
 	struct ip_tunnel_prl_entry	*next;
 	__be32				addr;
 	u16				flags;
+	struct rcu_head			rcu_head;
 };
 
 #define IPTUNNEL_XMIT() do {						\
-- 
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