73c1cd9e11
... from a user-set persistent limit on the said level. Allow to set the user-imposed limit below current deepest available level as the available levels may be dynamically changed by ACPI platform in both directions. Allow "Cmax" as an input value for cx_lowest sysctls to mean that there is not limit and OS can use all available C-states. Retire global cpu_cx_count as it no longer serves any meaningful purpose. Reviewed by: jhb, gianni, sbruno Tested by: sbruno, Vitaly Magerya <vmagerya@gmail.com> MFC after: 2 weeks