"Today's new kvm architecture is ia64, aka Itanium 2. Like s390, it is only provided in the git tree, not in the tarball. Windows and Linux guests are supported."
"The big item (in more ways than one) for this release is the addition of s390 support. As it is not actually provided in the tarball, you will need to use git to fetch it. You will also need a mainframe."
"Do we really need 128-bit time? You must be planning to live forever."