From: "Bartłomiej Zimoń" <uzi18@o2.pl>
To: linux-kernel@vger.kernel.org
Cc: awalls@radix.net, linux-pm@lists.linux-foundation.org,
danborkmann@googlemail.com
Subject: Re: [suspend/resume] Re: userspace notification from module
Date: Mon, 04 Jan 2010 01:51:40 +0100 [thread overview]
Message-ID: <a522f3c.3bab16d1.4b413b9c.ec43__16590.8377072357$1262619350$gmane$org@o2.pl> (raw)
In-Reply-To: <201001040045.39517.rjw@sisk.pl>
Dnia 4 stycznia 2010 0:45 "Rafael J. Wysocki" <rjw@sisk.pl> napisał(a):
> On Monday 04 January 2010, Bartłomiej Zimoń wrote:
> > Thx Rafael - now it clear to me.
> > And what do You think about sending extra signals to processes?
>
> I don't see a problem with this in principle, although I don't think signals
> are very suitable for this particular purpose, because you need two-way
> communication between the power manager and the processes it's going to
> notify (because it has to wait for the processes to finish their preparations
> and to tell it that they are ready).
>
> For this purpose it's better to have a file descriptor you can block on (like a
> socket or a pipe) while the other side is doing it's job.
>
So let's create one in power/user.c or use /sys/power/state for this :)
Best regards.
Bartłomiej Zimoń
PLD Linux, Kadu Team, FreeRunner user
http://kadu-im.blogspot.com/
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next prev parent reply other threads:[~2010-01-04 0:51 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-02 13:29 userspace notification from module Bartłomiej Zimoń
2010-01-02 14:04 ` Daniel Borkmann
2010-01-02 14:27 ` [suspend/resume] " Bartłomiej Zimoń
2010-01-02 15:11 ` Oliver Neukum
[not found] ` <6f52f5b81001020713j5435cfadr1143806a9026adc2@mail.gmail.com>
2010-01-02 15:15 ` Daniel Borkmann
2010-01-02 15:40 ` Andy Walls
2010-01-02 15:56 ` Daniel Borkmann
2010-01-02 18:26 ` Bartłomiej Zimoń
2010-01-02 21:01 ` Rafael J. Wysocki
[not found] ` <7cf4f51f.5fc2a5cd.4b3fc3ad.c849c@o2.pl>
2010-01-02 23:29 ` Rafael J. Wysocki
2010-01-02 23:29 ` Rafael J. Wysocki
2010-01-03 1:03 ` Bartłomiej Zimoń
2010-01-03 9:30 ` Daniel Borkmann
2010-01-03 9:30 ` Daniel Borkmann
2010-01-03 10:06 ` Daniel Borkmann
2010-01-03 10:06 ` Daniel Borkmann
2010-01-03 11:01 ` Bartłomiej Zimoń
2010-01-03 21:49 ` Rafael J. Wysocki
2010-01-03 21:49 ` Rafael J. Wysocki
2010-01-04 13:38 ` Stefan Seyfried
2010-01-04 13:38 ` Stefan Seyfried
2010-01-03 21:33 ` Rafael J. Wysocki
2010-01-03 21:33 ` Rafael J. Wysocki
2010-01-03 21:29 ` Rafael J. Wysocki
2010-01-03 21:29 ` Rafael J. Wysocki
2010-01-03 22:53 ` Bartłomiej Zimoń
2010-01-03 23:30 ` Rafael J. Wysocki
2010-01-03 23:30 ` Rafael J. Wysocki
2010-01-03 23:35 ` Bartłomiej Zimoń
2010-01-03 23:45 ` Rafael J. Wysocki
2010-01-03 23:45 ` Rafael J. Wysocki
2010-01-04 0:51 ` Bartłomiej Zimoń [this message]
2010-01-04 0:51 ` Bartłomiej Zimoń
2010-01-04 1:06 ` Bartłomiej Zimoń
2010-01-04 19:43 ` Rafael J. Wysocki
2010-01-05 9:07 ` [linux-pm] " Anders Eriksson
2010-01-05 21:02 ` Bartłomiej Zimoń
2010-01-05 21:23 ` [linux-pm] " Rafael J. Wysocki
2010-01-05 22:12 ` Bartłomiej Zimoń
2010-01-05 22:12 ` [linux-pm] " Bartłomiej Zimoń
2010-01-05 23:03 ` Rafael J. Wysocki
2010-01-05 23:03 ` [linux-pm] " Rafael J. Wysocki
2010-01-05 23:37 ` Bartłomiej Zimoń
2010-01-06 14:35 ` [linux-pm] " Anders Eriksson
2010-01-06 20:37 ` [linux-pm] [suspend/resume] Re: userspace notific ation " Bartłomiej Zimoń
2010-01-06 20:49 ` Roland Dreier
2010-01-06 20:56 ` Roland Dreier
2010-01-06 20:56 ` Roland Dreier
2010-01-06 20:49 ` Roland Dreier
2010-01-06 20:37 ` Bartłomiej Zimoń
2010-01-15 20:02 ` [suspend/resume] Re: userspace notification " Pavel Machek
2010-01-15 20:02 ` [linux-pm] " Pavel Machek
2010-01-06 14:35 ` Anders Eriksson
2010-01-05 21:23 ` Rafael J. Wysocki
2010-01-05 21:26 ` [linux-pm] " Stefan Seyfried
2010-01-05 22:22 ` Bartłomiej Zimoń
2010-01-05 23:05 ` Rafael J. Wysocki
2010-01-05 23:05 ` [linux-pm] " Rafael J. Wysocki
2010-01-06 0:43 ` Bartłomiej Zimoń
2010-01-06 10:10 ` Stefan Seyfried
2010-01-05 21:26 ` Stefan Seyfried
2010-01-05 9:07 ` Anders Eriksson
2010-01-04 19:43 ` Rafael J. Wysocki
2010-01-04 12:46 ` Daniel Borkmann
2010-01-04 19:45 ` Rafael J. Wysocki
2010-01-04 19:45 ` Rafael J. Wysocki
2010-01-04 12:46 ` Daniel Borkmann
2010-01-03 23:35 ` Bartłomiej Zimoń
2010-01-03 17:20 ` Bartłomiej Zimoń
2010-01-03 17:20 ` Bartłomiej Zimoń
2010-01-03 21:50 ` Rafael J. Wysocki
2010-01-03 21:50 ` Rafael J. Wysocki
2010-01-09 10:32 ` Pavel Machek
2010-01-09 13:40 ` Rafael J. Wysocki
2010-01-15 20:03 ` Pavel Machek
2010-01-15 20:03 ` Pavel Machek
2010-01-15 22:14 ` Rafael J. Wysocki
2010-01-15 22:14 ` Rafael J. Wysocki
2010-01-16 3:00 ` Eric Miao
2010-01-16 3:00 ` Eric Miao
2010-01-16 17:00 ` Stanislav Brabec
2010-01-16 17:00 ` Stanislav Brabec
2010-01-16 18:12 ` Pavel Machek
2010-01-16 18:12 ` Pavel Machek
2010-01-16 22:05 ` Rafael J. Wysocki
2010-01-16 22:05 ` Rafael J. Wysocki
2010-01-16 22:19 ` Pavel Machek
2010-01-16 22:19 ` Pavel Machek
2010-01-16 22:25 ` Pavel Machek
2010-01-16 22:25 ` Pavel Machek
2010-01-16 22:31 ` Rafael J. Wysocki
2010-01-16 22:31 ` Rafael J. Wysocki
2010-01-16 22:26 ` Rafael J. Wysocki
2010-01-16 22:26 ` Rafael J. Wysocki
2010-01-17 13:07 ` Pavel Machek
2010-01-17 13:07 ` Pavel Machek
2010-01-17 13:26 ` Russell King - ARM Linux
2010-01-17 13:26 ` Russell King - ARM Linux
2010-01-19 5:15 ` Pavel Machek
2010-01-19 5:15 ` Pavel Machek
2010-01-16 22:32 ` Russell King - ARM Linux
2010-01-16 22:32 ` Russell King - ARM Linux
2010-01-16 18:12 ` Pavel Machek
2010-01-16 18:12 ` Pavel Machek
2010-01-16 18:12 ` Pavel Machek
2010-01-16 18:12 ` Pavel Machek
2010-01-16 22:07 ` Rafael J. Wysocki
2010-01-16 22:07 ` Rafael J. Wysocki
2010-01-16 22:14 ` Pavel Machek
2010-01-16 22:14 ` Pavel Machek
2010-01-16 22:21 ` Rafael J. Wysocki
2010-01-16 22:21 ` Rafael J. Wysocki
2010-01-02 21:20 ` Bartłomiej Zimoń
2010-01-02 14:31 ` Bartłomiej Zimoń
2010-01-02 22:34 Bartłomiej Zimoń
2010-01-03 8:31 Bartłomiej Zimoń
2010-01-03 11:06 Bartłomiej Zimoń
2010-01-03 23:17 Bartłomiej Zimoń
2010-01-03 23:17 Bartłomiej Zimoń
2010-01-06 1:05 [linux-pm] " Bartłomiej Zimoń
2010-01-06 22:48 ` Rafael J. Wysocki
2010-01-06 1:05 Bartłomiej Zimoń
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