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

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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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Eric W. Biederman 2009-12-03 02:29:06 +00:00 • committed by David S. Miller

parent d79d792ef9

commit 3a765edadb

1 changed files with 6 additions and 2 deletions

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net/core/net_namespace.c

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