dmar_find_matched_drhd_unit 4120 drivers/iommu/intel-iommu.c drhd = dmar_find_matched_drhd_unit(pdev); dmar_find_matched_drhd_unit 230 drivers/iommu/intel_irq_remapping.c drhd = dmar_find_matched_drhd_unit(dev); dmar_find_matched_drhd_unit 636 include/linux/intel-iommu.h extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);