From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [PATCH] Hibernation: Fix lockdep report (v2)
Date: Wed, 14 Nov 2007 13:52:01 +0100 [thread overview]
Message-ID: <1195044721.6924.16.camel@twins> (raw)
In-Reply-To: <1194979533.4299.5.camel@johannes.berg>
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On Tue, 2007-11-13 at 19:45 +0100, Johannes Berg wrote:
> On Sun, 2007-11-04 at 14:59 +0100, Rafael J. Wysocki wrote:
> > [Len, please add this patch to the suspend branch, thanks.]
> > ---
> > From: Johannes Berg <johannes@sipsolutions.net>
> >
> > Lockdep reports a circular locking dependency in the hibernate code
> > because
> > - during system boot hibernate code (from an initcall) locks pm_mutex
> > and then a sysfs buffer mutex via name_to_dev_t
> > - during regular operation hibernate code locks pm_mutex under a
> > sysfs buffer mutex because it's called from sysfs methods.
>
> Ping? Do I need to follow this or will somebody take care to merge it
> before .24 closes?
I can feed it to Linus through the lockdep tree if Len hasn't picked it
up yet, Len?
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next prev parent reply other threads:[~2007-11-14 12:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-04 13:59 [PATCH] Hibernation: Fix lockdep report (v2) Rafael J. Wysocki
2007-11-04 18:38 ` Pavel Machek
2007-11-13 18:45 ` Johannes Berg
2007-11-14 12:52 ` Peter Zijlstra [this message]
2007-11-14 13:11 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2007-11-14 21:25 Rafael J. Wysocki
[not found] <200711142225.58033.rjw@sisk.pl>
[not found] ` <20071114224200.GB7367@ucw.cz>
2007-11-14 21:54 ` Peter Zijlstra
2007-11-14 22:42 ` Pavel Machek
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