linux-kernel - Re: 2.6.22 regression: thermal trip points

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Date:	Thu, 2 Aug 2007 16:07:43 +0000
From:	Pavel Machek <pavel@....cz>
To:	Knut Petersen <Knut_Petersen@...nline.de>
Cc:	trenn@...e.de, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...l.org>, mjg59@...f.ucam.org,
	lenb@...nel.org,
	Adrian Schröter <adrian@...e.de>,
	"Zhang, Rui" <rui.zhang@...el.com>,
	Jean Delvare <khali@...ux-fr.org>,
	Alexey Starikovskiy <aystarik@...il.com>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: 2.6.22 regression: thermal trip points

Hi!

> Well, it would not be the first time to eliminate a regression by
> reverting a
> patch after it was accepted previously.
> >> Sanity checks that trip points only can get lowered (compared to initial
> >> provided ones) needs to be added.
> >> Len, Rui: For short-term can some 
> But I _need_ to raise the unreasonably low passive trip point. We could
> decide to
> protect the innocent user by allowing write access to trip_points only
> after a previous

Actually, you should lower your active trip point, and keep cpu temp
below 50C.

> echo "I know what I am doing" >
> /proc/acpi/thermal_zone/THRM/enable_really_dangerous_options

No... but patch that only permits lowering could be acceptable.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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