Pull for-2.6.31 into release

arch/ia64/hp/common/sba_iommu.c

arch/ia64/hp/sim/hpsim_irq.c

arch/ia64/include/asm/Kbuild

arch/ia64/include/asm/gcc_intrin.h

arch/ia64/include/asm/hw_irq.h

arch/ia64/include/asm/mca.h

arch/ia64/include/asm/meminit.h

arch/ia64/include/asm/pal.h

arch/ia64/include/asm/processor.h

arch/ia64/include/asm/sal.h

arch/ia64/include/asm/sn/sn_sal.h

arch/ia64/include/asm/types.h

arch/ia64/include/asm/unistd.h

arch/ia64/kernel/efi.c

arch/ia64/kernel/entry.S

arch/ia64/kernel/iosapic.c

arch/ia64/kernel/irq.c

arch/ia64/kernel/irq_ia64.c

arch/ia64/kernel/irq_lsapic.c

arch/ia64/kernel/mca.c