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

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Message-ID: <8233.1248381087@turing-police.cc.vt.edu>
Date:	Thu, 23 Jul 2009 16:31:27 -0400
From:	Valdis.Kletnieks@...edu
To:	Pavel Machek <pavel@....cz>
Cc:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	"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 Thu, 23 Jul 2009 21:51:14 +0200, Pavel Machek said:

> Ok, but then we should not be talking about wake up events,
> but... events.
> 
> Like "lid opened", "wake packet came", ... . And deliver them even
> when they happen during run-time. That's okay with me.

That's actually a sane thing to do - for instance, one of the main uses
of "wake on LAN" in many environments is to wake up a box to do software
upgrades.  And if we're already up-and-running, and we "know" (from site
policy) that a W-o-L packet is only sent because IT is pushing updates,
it may make a lot of sense to catch a "wake packet" event, and go ahead
and start the software updater *anyhow* (with suitable notification/confirm
dialog to the poor guy still working on that presentation at 2AM, of course :)

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