From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 9 Sep 2010 04:31:35 +0000 (-0700)
Subject: net: inet_add_protocol() can use cmpxchg()
X-Git-Tag: v2.6.37-rc1~147^2~501
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0386005ff2a729998735e10769d99e1acbc2dd1;p=pandora-kernel.git

net: inet_add_protocol() can use cmpxchg()

Use cmpxchg() to get rid of spinlocks in inet_add_protocol() and
friends.

inet_protos[] & inet6_protos[] are moved to read_mostly section

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