linux-kernel - Re: [PATCH] x86 APM: delete Linux kernel APM support

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Message-ID: <20110411130505.GA3301@ucw.cz>
Date:	Mon, 11 Apr 2011 15:05:05 +0200
From:	Pavel Machek <pavel@....cz>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
	Len Brown <lenb@...nel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>, x86@...nel.org,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] x86 APM: delete Linux kernel APM support

Hi!

> >> Well, it kind of does but not really. :-)
> >>
> >> The main problem with APM is that nobody really works on it and I'm not sure
> >> if there are any active users.  At least no one reports any problems with it,
> >> which is kind of surprising, given the number of chages we've made in the PM
> >> core for the last couple of years.  So quite likely it's just become
> >> non-functional over time anyway, but we have no confirmation.
> > 
> > It was working ok last time I tried -- cca 6/2010.
> 
> What aspects of it did you test, and on what platform?

thinkpad 560X.

I tested basic boot, IIRC it did turn backlight off properly in
screensaver and even suspend worked.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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