This document discusses using paravirtualized devices in Linux guests running on Xen in HVM (hardware virtual machine) mode. It offers the benefits of HVM like installing the same as native while also providing access to fast paravirtualized devices. Initial support added xenbus and grant table support while later enhancements added ballooning, spinlocks, and interrupt/MSI remapping. Benchmarks sh
![Linux PV on HVM](https://cdn-ak-scissors.b.st-hatena.com/image/square/a80203c08822ab4626e85877fca4ce935b7c37f2/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2F6stefanospvhvm-110811091118-phpapp01-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)