-bnc#766284 - compiled-in ata_piix driver issues with PVonHVM guests
Update xen_pvdrivers.conf to match not only libata but also ata_piix
This avoids IO errors in the piix driver caused by unplugged hardware

- Update to Xen 4.1.3 c/s 23336

- Upstream or pending upstream patches from Jan
25587-fix-off-by-one-parsing-error.patch
25616-x86-MCi_CTL-default.patch
25617-vtd-qinval-addr.patch
25688-x86-nr_irqs_gsi.patch

- Build all files with optimization (fortify source does not work
with -O0).

- bnc#773393 - VUL-0: CVE-2012-3433: xen: HVM guest destroy p2m
teardown host DoS vulnerability
CVE-2012-3433-xsa11.patch
- bnc#773401 - VUL-1: CVE-2012-3432: xen: HVM guest user mode MMIO
emulation DoS
25682-x86-inconsistent-io-state.patch

- bnc#762484 - VUL-1: CVE-2012-2625: xen: pv bootloader doesn't
check the size of the bzip2 or lzma compressed kernel, leading to
denial of service
25589-pygrub-size-limits.patch

- Make it build with latest TeXLive 2012 with new package layout

- bnc#767273 - unsupported /var/lock/subsys is still used by xendomains
init.xendomains

- bnc#766283 - opensuse 12.2 pv guests can not start after
installation due to lack of grub2 support in the host