From: Eric W. Biederman <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:06 +0000 (+0000)
Subject: netns: Add an explicit rcu_barrier to unregister_pernet_{device|subsys}
X-Git-Tag: v2.6.33-rc1~388^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a765edadb28cc736d185f67d1ba6bedcc85f4b9;p=pandora-kernel.git

netns: Add an explicit rcu_barrier to unregister_pernet_{device|subsys}

This allows namespace exit methods to batch work that comes requires an
rcu barrier using call_rcu without having to treat the
unregister_pernet_operations cases specially.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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