Pull Xen fixes from Konrad Rzeszutek Wilk:
- Compile warnings and errors (one on x86, two on ARM)
- WARNING in xen-pciback
- Use the acpi_processor_get_performance_info instead of the 'register'
version
* tag 'stable/for-linus-3.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/acpi: remove redundant acpi/acpi_drivers.h include
xen: arm: mandate EABI and use generic atomic operations.
acpi: Export the acpi_processor_get_performance_info
xen/pciback: Don't disable a PCI device that is already disabled.