---
features:
  - |
    Introduces the ``powervm`` configuration group which contains the
    ``proc_units_factor`` configuration option. This allows the operator to
    specify the physical processing power to assign per vCPU.
upgrade:
  - |
    Previously the PowerVM driver would default to 0.5 physical processors per
    vCPU, which is the default from the pypowervm library. The default will now
    be 0.1 physical processors per vCPU, from the ``proc_units_factor``
    configuration option in the ``powervm`` configuration group.