XEN was updated to 4.2.2, fixing lots of bugs and several security issues.

Various upstream patches were also merged into this version by our
developers.

Detailed buglist:
- bnc#824676 - Failed to setup devices for vm instance when
start multiple vms simultaneously

- bnc#817799 - sles9sp4 guest fails to start after upgrading to
sles11 sp3

- bnc#826882 - xen: CVE-2013-1432: XSA-58: Page reference
counting error due to XSA-45/CVE-2013-1918 fixes

- Add upstream patch to fix devid assignment in libxl
27184-libxl-devid-fix.patch

- bnc#823608 - xen: XSA-57: libxl allows guest write access to
sensitive console related xenstore keys
27178-libxl-Restrict-permissions-on-PV-console-device-xenstore-nodes.patch
- bnc#823011 - xen: XSA-55: Multiple vulnerabilities in
libelf PV kernel handling

- bnc#808269 - Fully Virtualized Windows VM install is failed on
Ivy Bridge platforms with Xen kernel

- bnc#801663 - performance of mirror lvm unsuitable for production
block-dmmd

- bnc#817904 - [SLES11SP3 BCS Bug] Crashkernel fails to boot after
panic on XEN kernel SP3 Beta 4 and RC1

- Upstream AMD Erratum patch from Jan

- bnc#813675 - - xen: CVE-2013-1919: XSA-46: Several access
permission issues with IRQs for unprivileged guests

- bnc#820917 - CVE-2013-2076: xen: Information leak on
XSAVE/XRSTOR capable AMD CPUs (XSA-52)
- bnc#820919 - CVE-2013-2077: xen: Hypervisor crash due to
missing exception recovery on XRSTOR (XSA-53)
- bnc#820920 - CVE-2013-2078: xen: Hypervisor crash due to
missing exception recovery on XSETBV (XSA-54)
- bnc#808085 - aacraid driver panics mapping INT A when booting
kernel-xen
- bnc#817210 - openSUSE 12.3 Domain 0 doesn't boot with i915
graphics controller under Xen with VT-d enabled

- bnc#819416 - xen: CVE-2013-2072: XSA-56: Buffer overflow
in xencontrol Python bindings affecting xend

- bnc#818183 - xen: CVE-2013-2007: XSA-51: qga set umask 0077 when daemonizing

- add lndir to BuildRequires

- remove xen.migrate.tools_notify_restore_to_hangup_during_migration_--abort_if_busy.patch
It changed migration protocol and upstream wants a different solution

- bnc#802221 - fix xenpaging
readd xenpaging.qemu.flush-cache.patch

- bnc#808269 - Fully Virtualized Windows VM install is failed on
Ivy Bridge platforms with Xen kernel

- Additional fix for bnc#816159
CVE-2013-1918-xsa45-followup.patch

- bnc#817068 - Xen guest with >1 sr-iov vf won't start

- Update to Xen 4.2.2 c/s 26064
The following recent security patches are included in the tarball
CVE-2013-0151-xsa34.patch (bnc#797285)
CVE-2012-6075-xsa41.patch (bnc#797523)
CVE-2013-1917-xsa44.patch (bnc#813673)
CVE-2013-1919-xsa46.patch (bnc#813675)

- bnc#816159 - xen: CVE-2013-1918: XSA-45: Several long
latency operations are not preemptible

- bnc#816163 - xen: CVE-2013-1952: XSA-49: VT-d interrupt
remapping source validation flaw for bridges

- bnc#809662 - can't use pv-grub to start domU (pygrub does work)
xen.spec

- bnc#814709 - Unable to create XEN virtual machines in SLED 11 SP2
on Kyoto

- bnc#813673 - CVE-2013-1917: xen: Xen PV DoS vulnerability with
SYSENTER
- bnc#813675 - CVE-2013-1919: xen: Several access permission
issues with IRQs for unprivileged guests
- bnc#814059 - xen: qemu-nbd format-guessing due to missing
format specification