From: venkatesh.pallipadi on
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(a)>

Modification from first version - Revised kernel parameter documentation.


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