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From: Lou Langholtz <ldl@aros.net>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Manfred Spraul <manfred@colorfullife.com>,
	Jens Axboe <axboe@suse.de>,
	linux-kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: IDE locking problem
Date: Sun, 03 Aug 2003 09:35:22 -0600	[thread overview]
Message-ID: <3F2D2BBA.70205@aros.net> (raw)
In-Reply-To: <1059920721.3524.137.camel@gaston>

Benjamin Herrenschmidt wrote:

>>The last step is bad - sooner or later the queue will be kfreed, and if 
>>there are bozos around that still have references, they would access 
>>random memory. It must be guaranteed that all references expired before 
>>the tear down begins. Just leaving a dead flag set is not sufficient.
>>    
>>
>Jens ? I see no refcounting of the queue,. . .
>
struct request_queue's kobj field perhaps?


  reply	other threads:[~2003-08-03 15:35 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-03 14:13 IDE locking problem Manfred Spraul
2003-08-03 14:25 ` Benjamin Herrenschmidt
2003-08-03 15:35   ` Lou Langholtz [this message]
2003-08-04  5:40     ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2003-08-03  8:42 Benjamin Herrenschmidt
2003-08-03  9:58 ` Benjamin Herrenschmidt
2003-08-05  0:28   ` Bartlomiej Zolnierkiewicz
2003-08-05  8:08     ` Benjamin Herrenschmidt
2003-08-05 10:49       ` Bartlomiej Zolnierkiewicz
2003-08-05 11:18         ` Benjamin Herrenschmidt
2003-08-05 12:30           ` Bartlomiej Zolnierkiewicz
2003-08-05 17:13             ` Alan Cox
2003-08-03 10:04 ` Jens Axboe
2003-08-03 10:08   ` Jens Axboe
2003-08-03 10:11   ` Benjamin Herrenschmidt
2003-08-03 10:20     ` Jens Axboe

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