detect_intel_iommu  640 arch/ia64/mm/init.c 	detect_intel_iommu();
detect_intel_iommu 1903 drivers/iommu/dmar.c IOMMU_INIT_POST(detect_intel_iommu);
detect_intel_iommu  123 include/linux/dmar.h extern int detect_intel_iommu(void);