From: Pavel Machek <pavel@ucw.cz>
To: Arve Hj?nnev?g <arve@android.com>
Cc: Brian Swetland <swetland@google.com>,
linux-pm@lists.linux-foundation.org,
Uli Luckas <u.luckas@road.de>,
Nigel Cunningham <ncunningham@crca.org.au>
Subject: Re: [RFC][PATCH 00/11] Android PM extensions
Date: Wed, 4 Feb 2009 14:29:35 +0100 [thread overview]
Message-ID: <20090204132934.GB1218@ucw.cz> (raw)
In-Reply-To: <d6200be20902022018k7fda9120yb7321f5341050ce8@mail.gmail.com>
> > For example, if one process tries to start an auto-suspend, and at the
> > same time another process writes "mem" to /sys/power/state? Then the
> > second process should take precedence and the system should go into
> > suspend. When it wakes up again, the first process would still be
> > waiting for an auto-suspend to occur. I suppose the details don't
> > matter much because it's not likely to crop up often.
>
> I'll make a change to make any write to /sys/power/state disable
> wakelocks. I'll probably also add a config option to remove
> /sys/power/state.
>
> Before I post another patch series I have a few questions:
> - Should I merge the wakelock and early-suspend api patches with their
> implementations? (I initially implemented the api on top of the old
> android_power driver, but we not longer use this)
I think so.
> - Once wakelocks are disabled by writing to /sys/power/state, is there
> any demand for re-enabling wakelock support?
I do not think wakelocks should be disabled. They should probably be
ignored for echo mem > state, but disabling them sounds wrong.
--
(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:[~2009-02-04 13:29 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 1:27 [RFC][PATCH 00/11] Android PM extensions Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 01/11] PM: Add wake lock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 02/11] PM: Add early suspend api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 03/11] PM: Implement wakelock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 04/11] PM: Implement early suspend api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 05/11] PM: Enable early suspend through /sys/power/state Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 06/11] PM: Add user-space wake lock api Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 07/11] PM: wakelock: Abort task freezing if a wake lock is held Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 08/11] PM: earlysuspend: Add console switch when user requested sleep state changes Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 09/11] PM: earlysuspend: Removing dependence on console Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 10/11] Input: Hold wake lock while event queue is not empty Arve Hjønnevåg
2009-01-14 1:27 ` [PATCH 11/11] ledtrig-sleep: Add led trigger for sleep debugging Arve Hjønnevåg
2009-01-30 12:43 ` [PATCH 06/11] PM: Add user-space wake lock api Uli Luckas
2009-01-31 0:17 ` Arve Hjønnevåg
2009-01-31 7:24 ` Brian Swetland
2009-01-28 19:34 ` [PATCH 05/11] PM: Enable early suspend through /sys/power/state Pavel Machek
2009-01-31 3:13 ` Arve Hjønnevåg
2009-01-31 15:49 ` Alan Stern
2009-02-02 11:44 ` Pavel Machek
2009-02-02 11:45 ` Pavel Machek
2009-02-02 22:36 ` Arve Hjønnevåg
2009-01-14 9:48 ` [PATCH 04/11] PM: Implement early suspend api Nigel Cunningham
2009-01-14 23:57 ` Arve Hjønnevåg
2009-01-14 9:30 ` [PATCH 03/11] PM: Implement wakelock api Nigel Cunningham
2009-01-14 23:28 ` Arve Hjønnevåg
2009-01-14 9:17 ` [PATCH 02/11] PM: Add early suspend api Nigel Cunningham
2009-01-14 23:18 ` Arve Hjønnevåg
2009-01-14 9:09 ` [PATCH 01/11] PM: Add wake lock api Nigel Cunningham
2009-01-14 23:07 ` Arve Hjønnevåg
2009-01-14 9:01 ` [RFC][PATCH 00/11] Android PM extensions Nigel Cunningham
2009-01-15 0:10 ` Arve Hjønnevåg
2009-01-15 4:42 ` Arve Hjønnevåg
2009-01-15 15:08 ` Alan Stern
2009-01-15 20:34 ` Arve Hjønnevåg
2009-01-29 13:04 ` Pavel Machek
2009-01-30 1:16 ` Arve Hjønnevåg
2009-01-30 3:27 ` Alan Stern
2009-01-30 4:40 ` Arve Hjønnevåg
2009-01-30 6:04 ` Arve Hjønnevåg
2009-02-02 11:49 ` Pavel Machek
2009-01-30 9:11 ` Pavel Machek
2009-01-30 12:34 ` Uli Luckas
2009-02-02 11:46 ` Pavel Machek
2009-01-30 15:13 ` Alan Stern
2009-01-31 0:02 ` Arve Hjønnevåg
2009-01-31 16:19 ` Alan Stern
2009-01-31 23:28 ` Arve Hjønnevåg
2009-02-02 10:42 ` Uli Luckas
2009-02-02 15:05 ` Alan Stern
2009-02-02 16:15 ` Uli Luckas
2009-02-02 16:35 ` Alan Stern
2009-02-03 20:15 ` Pavel Machek
2009-01-31 7:47 ` Brian Swetland
2009-01-31 15:41 ` Alan Stern
2009-01-31 18:39 ` Rafael J. Wysocki
2009-01-31 18:54 ` Igor Stoppa
2009-02-01 1:04 ` Arve Hjønnevåg
2009-02-02 11:55 ` Pavel Machek
2009-01-31 22:41 ` Arve Hjønnevåg
2009-01-31 23:20 ` Rafael J. Wysocki
2009-01-31 23:32 ` Arve Hjønnevåg
2009-02-01 0:18 ` Rafael J. Wysocki
2009-02-01 1:17 ` Arve Hjønnevåg
2009-02-01 1:32 ` Rafael J. Wysocki
2009-02-01 2:14 ` Arve Hjønnevåg
2009-02-01 12:30 ` Rafael J. Wysocki
2009-02-01 14:03 ` Woodruff, Richard
2009-02-01 17:43 ` Alan Stern
2009-02-01 19:27 ` Woodruff, Richard
2009-02-02 11:00 ` Uli Luckas
2009-02-02 15:09 ` Alan Stern
2009-02-02 16:24 ` Uli Luckas
2009-02-02 21:47 ` Nigel Cunningham
2009-02-02 23:21 ` Arve Hjønnevåg
2009-02-02 23:51 ` Nigel Cunningham
2009-02-03 0:08 ` Arve Hjønnevåg
2009-02-04 13:25 ` Pavel Machek
2009-02-02 23:10 ` Arve Hjønnevåg
2009-02-03 3:27 ` Alan Stern
2009-02-03 4:18 ` Arve Hjønnevåg
2009-02-03 20:30 ` Alan Stern
2009-02-04 13:29 ` Pavel Machek [this message]
2009-02-02 11:56 ` Pavel Machek
2009-02-02 12:38 ` Uli Luckas
2009-01-30 9:08 ` Pavel Machek
2009-01-30 9:25 ` Brian Swetland
2009-01-28 19:31 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2009-02-05 2:50 Arve Hjønnevåg
2009-02-06 23:51 ` Rafael J. Wysocki
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