kvm security and bug fix update

[kvm-83-105.0.1.el5_4.27]

• Add kvm-add-oracle-workaround-for-libvirt-bug.patch
  [kvm-83-105.el5_4.27]
• kvm-kernel-KVM-VMX-Check-cpl-before-emulating-debug-register-ac.patch [bz#563516]
• Resolves: bz#563516
  (KVM: Check cpl before emulating debug register access [rhel-5.4.z])
  [kvm-83-105.el5_4.26]
• kvm-kernel-KVM-Don-t-check-access-permission-when-loading-segme.patch [bz#563464]
• kvm-kernel-KVM-Disable-move-to-segment-registers-and-jump-far-i.patch [bz#563464]
• Resolves: bz#563464
  (EMBARGOED CVE-2010-0419 kvm: emulator privilege escalation segment selector check [rhel-5.4.z])
  [kvm-83-105.el5_4.25]
• kvm-virtio-blk-Fix-reads-turned-into-writes-after-read-e.patch [bz#562776]
• kvm-virtio-blk-Handle-bdrv_aio_read-write-NULL-return.patch [bz#562776]
• Resolves: bz#562776
  (Guest image corruption after RHEV-H update to 5.4-2.1.3.el5_4rhev2_1)
  [kvm-83-105.el5_4.24]
• Apply bz#561022 patches again (undo the reverts from kvm-83-105.el5_4.23)
• kvm-qemu-add-routines-for-atomic-16-bit-accesses-take-2.patch [bz#561022]
• kvm-qemu-virtio-atomic-access-for-index-values-take-2.patch [bz#561022]
• Resolves: bz#561022
  (QEMU terminates without warning with virtio-net and SMP enabled)
  [kvm-83-105.el5_4.23]
• Revert bz#561022 patches by now, until they get better testing
• kvm-Revert-qemu-virtio-atomic-access-for-index-values.patch [bz#561022]
• kvm-Revert-qemu-add-routines-for-atomic-16-bit-accesses.patch [bz#561022]
• Related: bz#561022
  (QEMU terminates without warning with virtio-net and SMP enabled)