netdev - Re: [PATCH net-2.6 v2] pkt_sched: gen

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Message-Id: <20100610.225441.258124673.davem@davemloft.net>
Date:	Thu, 10 Jun 2010 22:54:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	xiaosuo@...il.com, netdev@...r.kernel.org, shemminger@...tta.com,
	jarkao2@...il.com, kaber@...sh.net
Subject: Re: [PATCH net-2.6 v2] pkt_sched: gen_estimator: add a new lock

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 09 Jun 2010 11:39:10 +0200

> [PATCH net-2.6 v2] 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@...il.com>

Wow, a lot of discussion to read and digest for this one :-)

Applied, thanks!
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