From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@ucw.cz>
Subject: Re: [PATCH 1/2] PM: fast power off - core
Date: Sun, 28 Jan 2007 20:12:41 +0100
Message-ID: <20070128191241.GA13596@elf.ucw.cz>
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Cc: Andrew Morton <akpm@osdl.org>, linux-kernel-owner@vger.kernel.org, linux-pm@lists.osdl.org
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Hi!

> Fastpoweroff  allows a user to power down the system without using rc kill
> scripts. This is used in the advent of a battery operated device about to=
 lose
> power.  The user interface is vis sysfs /sys/power/fastpoweroff. A simple=
 cat of
> the fastpoweroff will list any registered profiles.  To invoke
> the profile sequence, echo {profile name} > /sys/power/fastpoweroff.

No, we do not want "poweroff profiles" in kernel. Sorry.

rc kill scripts should be fast enough, if not, fix them. If it is
impossible (time is spent in kernel waiting for network card to shut
off), fix that.

What you want is pretty much "echo b > ..../sysrq; halt --now".

									Pavel
-- =

(english) http://www.livejournal.com/~pavelmachek
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