netdev - Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl

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Message-ID: <20080821131218.GA9208@gondor.apana.org.au>
Date:	Thu, 21 Aug 2008 23:12:18 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	denys@...p.net.lb
Subject: Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().

On Thu, Aug 21, 2008 at 12:55:01PM +0000, Jarek Poplawski wrote:
> 
> Alas I've to have a break now, anyway I think for now "my" proposal
> should be safer since it worked like this before... But of course
> after good checking your patch should be better.

Well your patch doesn't work and my patch doesn't compile :)

The problem is that qdisc_lookup walks through every txq's list while
the sch_tree_lock protects a single txq only.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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