From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 17:52:14 +0000 (+0000)
Subject: ipv6 sit: RCU conversion phase II
X-Git-Tag: v2.6.33-rc1~388^2~710
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4543c10de267bdd4f9acdb7708456909ed7eed3c;p=pandora-kernel.git

ipv6 sit: RCU conversion phase II

SIT tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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