K 10
svn:author
V 3
cem
K 8
svn:date
V 27
2020-02-01T19:49:13.105496Z
K 7
svn:log
V 348
hwpstate_intel(4): Add fallback EPP using PERF_BIAS MSR

Per Intel SDM (Vol 3b Part 2), if HWP indicates EPP (energy-performance
preference) is not supported, the hardware instead uses the ENERGY_PERF_BIAS
MSR.  In the epp sysctl handler, fall back to that MSR if HWP does not
support EPP and CPUID indicates the ENERGY_PERF_BIAS MSR is supported.

END