Linux 3.4.5

Conflicts:
	arch/powerpc/kernel/irq.c
	arch/powerpc/kvm/book3s_hv_rmhandlers.S
	arch/powerpc/mm/numa.c
	arch/powerpc/platforms/cell/pervasive.c
	arch/powerpc/platforms/pseries/iommu.c
	arch/powerpc/platforms/pseries/processor_idle.c
	arch/powerpc/xmon/xmon.c
	drivers/usb/host/xhci-hub.c