netdev - Re: [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver

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Message-ID: <20080212104208.GD2582@ff.dom.local>
Date:	Tue, 12 Feb 2008 10:42:08 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	James Chapman <jchapman@...alix.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver

On Mon, Feb 11, 2008 at 11:42:12PM +0000, James Chapman wrote:
> Jarek Poplawski wrote:
>> On Mon, Feb 11, 2008 at 11:49:24PM +0100, Jarek Poplawski wrote:
>>> On Mon, Feb 11, 2008 at 10:19:35PM +0000, James Chapman wrote:
>>> ...
>>>> Below is example output from lockdep. The oops is reproducible when 
>>>>  creating/deleting lots of sessions while passing data. The lock is 
>>>> being  acquired for read and write in softirq contexts.
>>
>> ...Hmmm... And according to this, changing read_locks should be
>> necessary too.
>
> The patch changes both read and write locks.

Right! This was only "errata" to my earlier comment where I considered
only lockdep info and forgot about yours...

Sorry,
Jarek P.
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