netfilter: nfnetlink: add mutex per subsystem
authorPablo Neira Ayuso <pablo@netfilter.org>
Tue, 5 Feb 2013 00:50:26 +0000 (01:50 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Tue, 5 Feb 2013 03:07:35 +0000 (04:07 +0100)
This patch replaces the global lock to one lock per subsystem.
The per-subsystem lock avoids that processes operating
with different subsystems are synchronized.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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