To do that the driver parses the Power Management data and uploads
said information to the Xen hypervisor. Then the Xen hypervisor can
- select the proper Cx and Pxx states. It also registers itslef as the
+ select the proper Cx and Pxx states. It also registers itself as the
SMM so that other drivers (such as ACPI cpufreq scaling driver) will
not load.