From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Jens Axboe <axboe@suse.de>,
linux-kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: IDE locking problem
Date: 03 Aug 2003 16:25:22 +0200 [thread overview]
Message-ID: <1059920721.3524.137.camel@gaston> (raw)
In-Reply-To: <3F2D1884.3010001@colorfullife.com>
> 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, but then we enter the
deep guts of the block layer and all this is pretty much obscure
to me. What can be done here ?
Ben.
next prev parent reply other threads:[~2003-08-03 14:25 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 [this message]
2003-08-03 15:35 ` Lou Langholtz
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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