iommu_group_register_notifier  919 drivers/iommu/iommu.c EXPORT_SYMBOL_GPL(iommu_group_register_notifier);
iommu_group_register_notifier  356 drivers/vfio/vfio.c 	ret = iommu_group_register_notifier(iommu_group, &group->nb);
iommu_group_register_notifier  466 include/linux/iommu.h extern int iommu_group_register_notifier(struct iommu_group *group,