linux-kernel - Re: [RFC][PATCH 1/2] ACPI: Idle Processor PM Improvements

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Message-ID: <20060830194317.GA9116@srcf.ucam.org>
Date:	Wed, 30 Aug 2006 20:43:17 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Cc:	Adam Belay <abelay@...ell.com>, "Brown, Len" <len.brown@...el.com>,
	ACPI ML <linux-acpi@...r.kernel.org>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	Arjan van de Ven <arjan@...ux.intel.com>, devel@...top.org
Subject: Re: [RFC][PATCH 1/2] ACPI: Idle Processor PM Improvements

On Wed, Aug 30, 2006 at 11:40:16AM -0700, Pallipadi, Venkatesh wrote:

(Added devel@...top.org to the Cc:)

> While we are at cleaning up the code, I think it will be much better to 
> move out C-state policy out of this acpi code altogether. We should have

That would be helpful. For the One Laptop Per Child project (or whatever 
it's called today), it would be advantageous to run without acpi. At the 
moment that would cost us deeper C states, so an interface to allow a 
platform driver to register and provide the same functionality without 
code duplication would be helpful.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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