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

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Message-ID: <20100930142903.GA1442@ucw.cz>
Date:	Thu, 30 Sep 2010 16:29:06 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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 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.

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