register_notifier 2011 drivers/vfio/vfio.c if (likely(driver && driver->ops->register_notifier)) register_notifier 2012 drivers/vfio/vfio.c ret = driver->ops->register_notifier(container->iommu_data, register_notifier 2357 drivers/vfio/vfio_iommu_type1.c .register_notifier = vfio_iommu_type1_register_notifier, register_notifier 80 include/linux/vfio.h int (*register_notifier)(void *iommu_data,