Merge branch 'x86/signal' into core/signal

Conflicts:
	arch/x86/kernel/cpu/feature_names.c
	arch/x86/kernel/setup.c
	drivers/pci/intel-iommu.c
	include/asm-x86/cpufeature.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>