linux-kernel - Re: Generic events for wake up from S1-S4

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Date:	Thu, 23 Jul 2009 16:57:57 +0200
From:	Pavel Machek <pavel@....cz>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
Cc:	"Luis R. Rodriguez" <mcgrof@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	Johannes Berg <johannes@...solutions.net>,
	"John W. Linville" <linville@...driver.com>,
	Jouni Malinen <j@...fi>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Stephen Chen <Stephen.Chen@...eros.com>
Subject: Re: Generic events for wake up from S1-S4

On Sat 2009-07-18 20:56:10, Henrique de Moraes Holschuh wrote:
> On Sat, 18 Jul 2009, Luis R. Rodriguez wrote:
> > Hm yeah, but I doubt someone will do that, generally we'd get one wake
> > up event. Can't we just report the first one and ignore the rest?
> 
> Well, I'd say keeping it simple is best, here.  What if you ignore the more
> interesting wakeup events by chance (and it is really up to userspace to
> know what it considers interesting...)?  IMHO, just issue as many
> notifications as needed, let userspace filter it if it wants.
> 
> But if you guys are talking about something really generic, shouldn't it
> also provide the important "why" along with the "who"?
> 
> Even for the most common cases, the "why" is useful: userspace may well want
> to run special routines when it wakes up because of WoL and WoW (instead of
> a key press, lid open or mouse movement...).

What special routines?

Note that the "why" is unreliable by design. Network driver will
ignore WoL during run-time, right?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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