From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 9 Jun 2010 13:47:41 +0000 (+0200)
Subject: netfilter: ip_queue: rwlock to spinlock conversion
X-Git-Tag: v2.6.36-rc1~571^2~577^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5756d346c7cdefcd84a8ac4901167cdfb5447b69;p=pandora-kernel.git

netfilter: ip_queue: rwlock to spinlock conversion

Converts queue_lock rwlock to a spinlock.

(readlocked part can be changed by reads of integer values)

One atomic operation instead of four per ipq_enqueue_packet() call.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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