From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Michael Buesch <mb@bu3sch.de>,
pm list <linux-pm@lists.linux-foundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Len Brown <lenb@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
bcm43xx-dev@lists.berlios.de,
Alessandro Rubini <rubini@vision.unipv.it>,
Richard Purdie <rpurdie@rpsys.net>
Subject: Re: [PATCH -mm 5/5] b43: Avoid unregistering device objects during suspend
Date: Fri, 25 Jan 2008 07:47:46 +0000 [thread overview]
Message-ID: <20080125074746.GC4134@ucw.cz> (raw)
In-Reply-To: <200801250137.34275.rjw@sisk.pl>
On Fri 2008-01-25 01:37:33, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> Modify the b43 driver to avoid deadlocking suspend and resume,
> which happens as a result of attempting to unregister device objects
> locked by the PM core during suspend/resume cycles. Also, make it
> use a suspend-safe method of unregistering device object in the
> resume error path.
>
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> Acked-by: Michael Buesch <mb@bu3sch.de>
Maybe we should have global suspend_in_progress (or maybe system_state
== suspending?) and automatically switch to schedule_removal() while
it is set?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-01-25 8:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-25 0:27 [PATCH -mm 0/5] b43: Fix suspend/resume deadlock Rafael J. Wysocki
2008-01-25 0:30 ` [PATCH -mm 1/5] PM: Export device_pm_schedule_removal Rafael J. Wysocki
2008-01-25 7:44 ` Pavel Machek
2008-01-28 17:59 ` patch pm-export-device_pm_schedule_removal.patch added to gregkh-2.6 tree gregkh
2008-01-25 0:31 ` [PATCH -mm 2/5] Misc: Add possibility to remove misc devices during suspend/resume Rafael J. Wysocki
2008-01-25 0:35 ` [PATCH -mm 3/5] HWRNG: Add possibility to remove hwrng " Rafael J. Wysocki
2008-01-25 0:36 ` [PATCH -mm 4/5] Leds: Add possibility to remove leds classdevs " Rafael J. Wysocki
2008-01-25 0:37 ` [PATCH -mm 5/5] b43: Avoid unregistering device objects during suspend Rafael J. Wysocki
2008-01-25 7:47 ` Pavel Machek [this message]
2008-01-25 10:13 ` Michael Buesch
2008-01-25 11:45 ` Rafael J. Wysocki
2008-01-25 14:58 ` Alan Stern
2008-01-25 21:16 ` Pavel Machek
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