Linux 3.4.1

Conflicts:
	arch/powerpc/kernel/idle.c
	arch/s390/mm/fault.c
	arch/sparc/Kconfig
	arch/sparc/kernel/systbls_64.S
	arch/tile/include/asm/bitops.h
	arch/um/include/asm/pgtable.h
	drivers/mmc/core/cd-gpio.c
	drivers/usb/host/xhci.h