Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/tegra' and 'core' into next

Conflicts:
	drivers/iommu/amd_iommu.c
	drivers/iommu/tegra-gart.c
	drivers/iommu/tegra-smmu.c