Soulskill from the onward-and-upward dept.
LarsKurth writes "The Xen.org open source community just released a new version of the Xen Hypervisor, Xen 4.1. Feature highlights include a new prototype scheduler for latency-sensitive workloads, better support for very large systems (>255 CPUs, 1GB/2MB super page sizes), new security features, and many others. During the development cycle of Xen 4.1, the Xen community worked closely with upstream Linux projects to ensure that Xen dom0 support and Xen guest support are available from unmodified Linux distributions. The release announcement contains a full list of changes."
The best book on programming for the layman is "Alice in Wonderland";
but that's because it's the best book on anything for the layman.