linux-kernel - Re: [PATCH 0/5] Add P state driver for Intel Core Processors

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Message-ID: <20130212214949.GA1003@redhat.com>
Date:	Tue, 12 Feb 2013 16:49:49 -0500
From:	Dave Jones <davej@...hat.com>
To:	dirk.brandewie@...il.com
Cc:	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org
Subject: Re: [PATCH 0/5] Add P state driver for Intel Core Processors

On Wed, Feb 06, 2013 at 09:02:07AM -0800, dirk.brandewie@...il.com wrote:
 > From: Dirk Brandewie <dirk.brandewie@...il.com>
 > 
 > This driver implements a scaling driver with an internal governor for
 > Intel Core processors.  The driver follows the same model as the
 > Transmeta scaling driver (longrun.c) and implements the setpolicy()
 > instead of target().  Scaling drivers that implement setpolicy() are
 > assmuned to implement internal governors by the cpufreq core. All the
 > logic for selecting the current P state is contained within the driver
 > no external governor is used by the cpufreq core.
 > 
 > At the moment only Intel SandyBridge processors are supported. As
 > testing on SandyBridge+ processors is completed support will be added
 > to the driver.

Won't you also need to patch drivers/cpufreq/acpi-cpufreq.c to not load
on the processors that you want this driver to run on ?

	Dave

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