From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 8 Jun 2010 23:39:10 +0000 (+0000)
Subject: pkt_sched: gen_estimator: add a new lock
X-Git-Tag: v2.6.35-rc3~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae638c47dc040b8def16d05dc6acdd527628f231;p=pandora-kernel.git

pkt_sched: gen_estimator: add a new lock

gen_kill_estimator() / gen_new_estimator() is not always called with
RTNL held.

net/netfilter/xt_RATEEST.c is one user of these API that do not hold
RTNL, so random corruptions can occur between "tc" and "iptables".

Add a new fine grained lock instead of trying to use RTNL in netfilter.

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