linux-kernel - Re: [RFC][PATCH] Fix lock inversion aio_kick

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Message-ID: <44CAC1AF.6010505@oracle.com>
Date:	Fri, 28 Jul 2006 19:02:23 -0700
From:	Zach Brown <zach.brown@...cle.com>
To:	Benjamin LaHaise <bcrl@...ck.org>
CC:	linux-kernel@...r.kernel.org, linux-aio@...ck.org,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [RFC][PATCH] Fix lock inversion aio_kick_handler()

Benjamin LaHaise wrote:
> On Fri, Jul 28, 2006 at 05:10:32PM -0700, Zach Brown wrote:
>> Fix lock inversion aio_kick_handler()
> 
> Doh.  Unfortunately, this patch isn't entirely correct as it could race with 
> __put_ioctx() which sets ioctx->mm = NULL.

Aha, yeah, that's what I was missing.  Thanks.

> Something like the following should do the trick:

Cool, I'll respin and send it out.

- z
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