linux-kernel - Re: [linux-pm] [suspend/resume] Re: userspace notification from module

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Message-Id: <201001062348.13137.rjw@sisk.pl>
Date:	Wed, 6 Jan 2010 23:48:13 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Bartłomiej Zimoń <uzi18@...pl>
Cc:	linux-kernel@...r.kernel.org, aeriksson@...tmail.fm,
	stefan.seyfried@...glemail.com,
	linux-pm@...ts.linux-foundation.org, danborkmann@...glemail.com,
	awalls@...ix.net
Subject: Re: [linux-pm] [suspend/resume] Re: userspace 
 notification	 from module

On Wednesday 06 January 2010, Bartłomiej Zimoń wrote:
> Dnia 6 stycznia 2010 0:05 	"Rafael J. Wysocki" <rjw@...k.pl> napisał(a):
> > Well, I think you have some specific issue with pm-utils, but you're not
> > telling us what it is.  So, why exactly is pm-utils not suitable for your
> > needs?
> > 
> 
> Rafael to be honest it's more dbus specific. I'm talking about 
> dbus as it is standard for system<->apps communication.

That was my impression. :-)

Well, I don't like dbus too, but ...

> But please understand if we'll create kernel device with simple pm notification
> It could be hooked by udev and next ... by DeviceKit-power/upower and after that
> we have real standard. But to have this we must export "power" device - something 
> like my proof-of-concept module. This could be realy good start.

... that doesn't make me think it should be sneakily replaced with "magic"
kernel modules or similar stuff.

As I already said many times in this thread before, please look for a solution
in the user space.

Rafael
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