linux-kernel - Re: [Patch v2] Implement thermal limiting in the generic thermal class

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Message-ID: <20080617185345.GA5847@ucw.cz>
Date:	Tue, 17 Jun 2008 20:53:45 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	rui.zhang@...el.com, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Patch v2] Implement thermal limiting in the generic thermal class

Hi!

> In the absence of an explicitly defined passive cooling zone any                                                                                                                                        
> machine unable to manage its thermal profile through active cooling will                                                                                                                                
> reach its critical shutdown temperature and power off, resulting in                                                                                                                                     
> potential data loss. Add support to the generic thermal class for                                                                                                                                       
> initiating passive cooling at a temperature defaulting to just below the                                                                                                                                
> critical temperature, with this value being overridable by the admin via                                                                                                                                
> sysfs.                                                                             

This means we get two copies of passive cooling code: one generic, and
one in acpi. Can we make sure we have just one of them?

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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