Method and apparatus to support enhanced energy efficiency in a processing system

Abstract

A first partition of a processing system may use polling to communicate with a device. In addition, the first partition may provide an interface that allows a second partition of the processing system to communicate with the device without requiring the second partition to use polling. For example, the first partition may present the device to the second partition as an interrupt-driven device. In one embodiment, the first partition creates an interface that presents a universal serial bus (USB) peripheral device to the second partition as a legacy peripheral device. The second partition my therefore use the device without conducting polling, and may consume less energy than a partition that conducts polling. Other embodiments are described and claimed.

Dependencies are inferred from the claim text.