linux-2.6.18-xen-3.3.0.tar.gz
----------------

This tarball contains the released source code for Xen 3.3.
Instructions for building Xen from source can be found inside the
archive.

The sources include the
 - The Xen 3.3 hypervisor
 - host (dom0) tools to control the hypervisor
 - documentation (in unformatted source code form as applicable)
 - Patches and tools for building a modified 2.6.18 kernel to
   support host (dom0) operation

Installation Instructions

You need to install mercurial, and clone the kernel repository with:

hg clone http://xenbits.xensource.com/linux-2.6.18-xen.hg

in the directory where you unpacked the xen-3.3 tarball. 

See also:

http://lists.xensource.com/archives/html/xen-users/2008-01/msg00699.html