Messages in this thread | | | Date | Tue, 02 Mar 2010 16:06:49 -0800 | From | venkatesh.pallipadi@intel ... | Subject | [patch 0/2] Support for IA32_ENERGY_PERF_BIAS MSR |
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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@intel.com>
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