linux-kernel - [patch 0/2] Support for IA32_ENERGY_PERF_BIAS MSR

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Date:	Thu, 04 Mar 2010 15:14:54 -0800
From:	venkatesh.pallipadi@...el.com
To:	Ingo Molnar <mingo@...e.hu>, H Peter Anvin <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Len Brown <lenb@...nel.org>, Dave Jones <davej@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	Venkatesh Pallipadi <venkatesh.pallipadi@...il.com>
Subject: [patch 0/2] Support for IA32_ENERGY_PERF_BIAS MSR - v2

There is a new hardware feature, which lets system software to set
Energy Performance Preference. This is a opaque knob in the form of
IA32_ENERGY_PERF_BIAS MSR, which has a 4 bit Energy Performance
Preference Hint.

The support for this feature is indicated by CPUID.06H.ECX.bit3. Refer to
Intel Architectures Software Developer's Manual for more info.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>

---
Modification from first version - Revised kernel parameter documentation.

-- 

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