tree b5231b4e6965b4ac629c3e9feb0613e366780d0e
parent 7dff59efbb0e8b0f81c95fd40379c0d0c757c808
author Eric Dumazet <eric.dumazet@gmail.com> 1284548844 +0000
committer David S. Miller <davem@davemloft.net> 1284604186 -0700

ipip: get rid of ipip_lock

As RTNL is held while doing tunnels inserts and deletes, we can remove
ipip_lock spinlock. My initial RCU conversion was conservative and
converted the rwlock to spinlock, with no RTNL requirement.

Use appropriate rcu annotations and modern lockdep checks as well.

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