Today, KVM-67 was released adding support for the ppc 44x embedded processors. Similar to s390 and ia64, you need to get this architecuture support from the git tree.

Additionally, kvm-67 was merged with the qemu-svn.

Below shows the changelog announced on the devel mailing list.

Changes from kvm-66:
- s390/ia64: compile fix (Christian Borntraeger)
- s390: change virtio interrupt to follow arch specification
(Christian Borntraeger)
- close vcpu refcounting race (Al Viro)
- code cleanups (Hollis Blanchard, Christian Borntraeger)
- ppc 44x support (Hollis Blanchard, Jerone Young)
- reduce cr8 intercepts on AMD (Joerg Roedel)
- speeds up Vista x64
- fix locking in paravirt mmu support (Marcelo Tosatti)
- fix ppc build on non-44x (Stephen Rothwell)
- fix PIT time-drift compensation with multiple guests (Marcelo Tosatti)
- merge qemu-svn
- spin up vcpu threads before setting lapic contents
- pass disk geometery to extboot loader (Ryan Harper)
- separate header copying from source copying in 'make sync'
- implement 'hypervisor present' cpuid bit
- fix address truncation on ia64 (Jes Sorensen)
- handle nic/storage hotplug failure gracefully (Chris Wright)
- more kvm_stat display options
- fix qemu system_powerdown with Linux guests

You can download kvm-67 here.