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From: Marcel Holtmann <marcel@holtmann.org>
To: Greg KH <greg@kroah.com>
Cc: Dmitry Torokhov <dtor_core@ameritech.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Manuel Estrada Sainz <ranty@debian.org>,
	Patrick Mochel <mochel@osdl.org>
Subject: Re: [2.6 PATCH/RFC] Firmware loader - fix races and resource dealloocation problems
Date: Tue, 23 Dec 2003 00:42:42 +0100	[thread overview]
Message-ID: <1072136562.2876.32.camel@pegasus> (raw)
In-Reply-To: <20031222093759.GB30235@kroah.com>

Hi Greg,

> > It seems that implementation of the firmware loader is racy as it relies
> > on kobject hotplug handler. Unfortunately that handler runs too early,
> > before firmware class attributes controlling the loading process, are
> > created. This causes firmware loading fail at least half of the times on
> > my laptop.
> 
> Um, why not have your script wait until the files are present?  That
> will remove any race conditions you will have.

the firmware.agent script that is now in linux-hotplug already do a
"sleep 1" if the the loading file is not present.

Regards

Marcel



  reply	other threads:[~2003-12-22 23:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-21  6:37 [2.6 PATCH/RFC] Firmware loader - fix races and resource dealloocation problems Dmitry Torokhov
2003-12-22  9:37 ` Greg KH
2003-12-22 23:42   ` Marcel Holtmann [this message]
2003-12-23  3:29   ` Dmitry Torokhov
2003-12-23  8:48     ` Marcel Holtmann
2003-12-27  5:29       ` [2.6 PATCH/RFC] Firmware loader fixes - take 2 Dmitry Torokhov
2003-12-27  5:29         ` [2.6 PATCH/RFC] Firmware loader fixes - take 2 (patch 1/2) Dmitry Torokhov
2003-12-27  5:30           ` [2.6 PATCH/RFC] Firmware loader fixes - take 2 (patch 2/2) Dmitry Torokhov
2003-12-31 21:31             ` Greg KH
2003-12-31 22:16           ` [2.6 PATCH/RFC] Firmware loader fixes - take 2 (patch 1/2) Manuel Estrada Sainz
2003-12-31 22:32       ` [2.6 PATCH/RFC] Firmware loader - fix races and resource dealloocation problems Manuel Estrada Sainz
2003-12-31 23:03         ` Greg KH
2003-12-22 23:05 ` Manuel Estrada Sainz
2003-12-22 23:22   ` Greg KH
2003-12-26 17:29     ` Manuel Estrada Sainz

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