linux-kernel - Re: [linux-pm] [RFC][PATCH] PM: Allow wakeup events to abort freezing of tasks

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Message-Id: <201010012324.29283.rjw@sisk.pl>
Date:	Fri, 1 Oct 2010 23:24:29 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [linux-pm] [RFC][PATCH] PM: Allow wakeup events to abort freezing of tasks

On Thursday, September 30, 2010, Pavel Machek wrote:
> On Thu 2010-09-30 00:16:50, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > Subject: PM: Allow wakeup events to abort freezing of tasks
> > 
> > If there is a wakeup event during the freezing of tasks, suspend or
> > hibernation will fail anyway.  Since try_to_freeze_tasks() can take
> > up to 20 seconds to complete or fail, aborting it as soon as a wakeup
> > event is detected improves the worst case wakeup latency.
> > 
> > Based on a patch from Arve Hj??nnev??g.
> > 
> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> 
> Ack.

Thanks!
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