From: Corey Minyard <minyard@acm.org>
To: viro@parcelfarce.linux.theplanet.co.uk
Cc: Keith Owens <kaos@ocs.com.au>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: Registering for notifier chains in modules (was Linux 2.4.21-rc3 - ipmi unresolved)
Date: Tue, 27 May 2003 12:09:12 -0500 [thread overview]
Message-ID: <3ED39BB8.9030306@acm.org> (raw)
In-Reply-To: <20030527160247.GA27916@parcelfarce.linux.theplanet.co.uk>
viro@parcelfarce.linux.theplanet.co.uk wrote:
>On Tue, May 27, 2003 at 09:48:53AM -0500, Corey Minyard wrote:
>
>
>
>>>The user does have to do something. Every piece of code that calls
>>>notify_register has to set the new field to __THIS_MODULE. WIthout
>>>that field being set, you are no better off, the race still exists.
>>>
>>>
>>>
>>Why? The user doesn't have to set the field, you can let the
>>registration code do that. I have attached a patch as an example.
>>
>>
>
>How the devil would registration code figure out which module should
>be used?
>
>
You create a new call that also takes the module as a parameter, and
have the old call set the module owner to NULL. You export the new
call, and modules use it.
-Corey
next prev parent reply other threads:[~2003-05-27 16:56 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-22 22:19 Linux 2.4.21-rc3 Marcelo Tosatti
2003-05-22 23:46 ` J.A. Magallon
2003-05-26 17:04 ` Alan Cox
2003-05-23 0:51 ` Barry K. Nathan
2003-05-23 5:32 ` Marc-Christian Petersen
2003-05-23 7:04 ` [BUG] 2.[45] ioperm fix seems broken (was Re: Linux 2.4.21-rc3) Barry K. Nathan
2003-05-23 9:00 ` Barry K. Nathan
2003-05-23 8:27 ` Linux 2.4.21-rc3 Benjamin Herrenschmidt
2003-05-23 13:38 ` Linux 2.4.21-rc3 - ipmi unresolved Eyal Lebedinsky
2003-05-23 13:41 ` Marc-Christian Petersen
2003-05-26 2:09 ` Corey Minyard
2003-05-25 7:57 ` Keith Owens
2003-05-26 3:37 ` Corey Minyard
2003-05-26 3:54 ` Keith Owens
2003-05-27 0:30 ` Corey Minyard
2003-05-27 3:09 ` Keith Owens
2003-05-27 4:45 ` Registering for notifier chains in modules (was Linux 2.4.21-rc3 - ipmi unresolved) Corey Minyard
2003-05-27 5:30 ` Keith Owens
2003-05-27 14:48 ` Corey Minyard
2003-05-27 16:02 ` viro
2003-05-27 17:09 ` Corey Minyard [this message]
2003-05-28 0:15 ` Keith Owens
2003-05-26 17:08 ` Linux 2.4.21-rc3 - ipmi unresolved Alan Cox
2003-05-23 21:10 ` Linux 2.4.21-rc3 [net-pf-4, devfs audio, drm radeon] Gabor Z. Papp
2003-05-25 17:36 ` Linux 2.4.21-rc3 : IDE pb on Alpha Willy Tarreau
2003-05-25 17:00 ` Willy Tarreau
2003-05-25 20:37 ` Mike Fedyk
2003-05-25 20:45 ` Bartlomiej Zolnierkiewicz
2003-05-25 20:55 ` Mike Fedyk
2003-05-25 21:23 ` Bartlomiej Zolnierkiewicz
2003-05-26 7:28 ` Linux 2.4.21-rc3: doesn't build with CONFIG_BLK_DEV_HD_ONLY=y Jerome Chantelauze
2003-05-26 13:16 ` Linux 2.4.21-rc3 Santiago Garcia Mantinan
2003-05-27 1:14 ` Jeff Chua
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