netdev - Re: [PATCH net-next-2.6 v2] pkt_sched: gen_estimator: kill est

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Message-ID: <20100608124052.GB9392@ff.dom.local>
Date:	Tue, 8 Jun 2010 12:40:52 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Changli Gao <xiaosuo@...il.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH net-next-2.6 v2] pkt_sched: gen_estimator: kill
	est_lock rwlock

On Tue, Jun 08, 2010 at 02:27:32PM +0200, Eric Dumazet wrote:
> Le mardi 08 juin 2010 ?? 12:15 +0000, Jarek Poplawski a écrit :
> 
> > 
> > Actually, I guess, Changli meant the bug introduced by your previous
> > patch by removing the est_lock. With this lock (and your commit 5d944)
> > bstats (and API) seem "fundamentaly" safe.
> > 
> 
> Sorry, I have no idea of what you want to say, I cant find commit 5d944.
> 

Sorry, I meant the commit mentioned in your changelog which was quoted.

> This was partially addressed in commit 5d944c640b4 (gen_estimator:
> deadlock fix), but same problem exist for all gen_kill_estimator()
> users.

Jarek P.
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