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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: pm list <linux-pm@lists.linux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH] Hibernation: Fix lockdep report (v2)
Date: Wed, 14 Nov 2007 14:11:29 +0100	[thread overview]
Message-ID: <200711141411.30879.rjw@sisk.pl> (raw)
In-Reply-To: <1194979533.4299.5.camel@johannes.berg>

On Tuesday, 13 of November 2007, 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 wanted it to go via Len's tree, but unfortunately Len has not been responsive
recently.

I'll push it to Andrew later today.

Thanks,
Rafael

  parent reply	other threads:[~2007-11-14 13:11 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
2007-11-14 13:11   ` Rafael J. Wysocki [this message]
  -- 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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