AMD IOMMU interrupt remapping support v2

Hi,

here is the second and revised patch-set to add interrupt remapping
support to the AMD IOMMU driver.

Changes v1->v2:

	* Improved print_iommu_info() function as suggested by Joe
	  Perches
	* Fixed all five problems reported by Fengguang Wu from Intel,
	  thanks again for the extensive compile tests
	* Fixed other sparse warnings I came across while fixing the
	  compile bug reports
	* Dropped patch 3 which introduced another flag into io-apic
	  code. I started to abstract the interrupt remapping support
	  better from the io-apic implementation and will post that as a
	  seperate patch-set (if all goes well probably next week). The
	  new patch-set will make use of the x86_io_apic_ops and
	  x86_msi_ops to get rid of the irq_remapping_enabled checks and
	  branches.
	* Rebased to v3.5-rc6

Please review. Feedback appreciated :-)


Regards,

	Joerg


Diffstat:

 arch/x86/include/asm/hw_irq.h       |   15 +-
 arch/x86/kernel/apic/io_apic.c      |    2 +-
 drivers/iommu/Kconfig               |    2 +-
 drivers/iommu/amd_iommu.c           |  509 +++++++++++++++++++++-
 drivers/iommu/amd_iommu_init.c      |  790 ++++++++++++++++++++++++-----------
 drivers/iommu/amd_iommu_proto.h     |    8 +
 drivers/iommu/amd_iommu_types.h     |   66 ++-
 drivers/iommu/amd_iommu_v2.c        |    2 +-
 drivers/iommu/intel_irq_remapping.c |    6 +-
 drivers/iommu/irq_remapping.c       |   10 +
 drivers/iommu/irq_remapping.h       |    5 +
 11 files changed, 1167 insertions(+), 248 deletions(-)


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