From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755891Ab0EKFz3 (ORCPT ); Tue, 11 May 2010 01:55:29 -0400 Received: from cantor.suse.de ([195.135.220.2]:48703 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754324Ab0EKFzZ (ORCPT ); Tue, 11 May 2010 01:55:25 -0400 From: Oliver Neukum Organization: SUSE To: Andrew Morton Subject: Re: [patch]hp_accel: Fix race in device removal Date: Tue, 11 May 2010 07:55:07 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34-rc6-0.1-default; KDE/4.3.5; x86_64; ; ) Cc: Eric Piel , Pavel Machek , Pavel Herrmann , lm-sensors@lm-sensors.org, linux-kernel@vger.kernel.org, stable@kernel.org References: <201005071804.20462.oneukum@suse.de> <20100510154632.bbe181d8.akpm@linux-foundation.org> In-Reply-To: <20100510154632.bbe181d8.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201005110755.07717.oneukum@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, 11. Mai 2010 00:46:32 schrieb Andrew Morton: > But alas, I (and presumably others) cannot confirm that, because you > didn't describe the bug :( This also means that if someone hits a > problem with this driver, they won't easily be able to work out whether > this patch will fix it. > > > Under what circumstances does it trigger? > > What are the observed effects when it triggers? > > Please always include this sort of information when sending bugfixes, thanks. Sorry, the patch closes a window during which a work queue might remain active after the device is removed and would then lead to ACPI calls with undefined behavior. Regards Oliver