IOMMU_INIT_POST   845 arch/x86/kernel/amd_gart_64.c IOMMU_INIT_POST(gart_iommu_hole_init);
IOMMU_INIT_POST  1586 arch/x86/kernel/pci-calgary_64.c IOMMU_INIT_POST(detect_calgary);
IOMMU_INIT_POST  1903 drivers/iommu/dmar.c IOMMU_INIT_POST(detect_intel_iommu);