netdev - Re: 2.6.25rc7 lockdep trace

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Message-ID: <20080611131449.GD4171@ff.dom.local>
Date:	Wed, 11 Jun 2008 13:14:49 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	johannes@...solutions.net, davej@...emonkey.org.uk,
	netdev@...r.kernel.org
Subject: Re: 2.6.25rc7 lockdep trace

On 11-06-2008 07:40, David Miller wrote:
...
> cassini: Does flush_scheduled_work() from ->change_mtu() method, which
> 	 also holds RTNL semaphore.  Seems tricky to fix as it's trying
> 	 to schedule work and then immediately wait for it to
> 	 complete synchronously before returning from the ->change_mtu
> 	 method.  Maybe calling cas_reset_task() directly would work,
> 	 but this could conflict with reset tasks scheduled in other
> 	 contexts.  NOT FIXED

Could you give an example of such a conflict? (I wonder how it's
avoided with current solution.)

Jarek P.
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