XEN was updated to fix various denial of service issues.

- bnc#789945 - CVE-2012-5510: xen: Grant table version
switch list corruption vulnerability (XSA-26)

- bnc#789944 - CVE-2012-5511: xen: Several HVM operations do
not validate the range of their inputs (XSA-27)

- bnc#789940 - CVE-2012-5512: xen: HVMOP_get_mem_access
crash / HVMOP_set_mem_access information leak (XSA-28)

- bnc#789951 - CVE-2012-5513: xen: XENMEM_exchange may
overwrite hypervisor memory (XSA-29)

- bnc#789948 - CVE-2012-5514: xen: Missing unlock in
guest_physmap_mark_populate_on_demand() (XSA-30)

- bnc#789950 - CVE-2012-5515: xen: Several memory hypercall
operations allow invalid extent order values (XSA-31)

- bnc#789988 - FATAL PAGE FAULT in hypervisor (arch_do_domctl)

- Upstream patches from Jan
26132-tmem-save-NULL-check.patch
26134-x86-shadow-invlpg-check.patch
26148-vcpu-timer-overflow.patch (Replaces CVE-2012-4535-xsa20.patch)
26149-x86-p2m-physmap-error-path.patch (Replaces CVE-2012-4537-xsa22.patch)
26150-x86-shadow-unhook-toplevel-check.patch (Replaces CVE-2012-4538-xsa23.patch)

- bnc#777628 - guest "disappears" after live migration
Updated block-dmmd script

- Fix exception in balloon.py and osdep.py
xen-max-free-mem.diff
- bnc#792476 - efi files missing in latest XEN update
Revert c/s 25751 EFI Makefile changes in 23614-x86_64-EFI-boot.patch