qi_flush_iotlb   2985 drivers/iommu/intel-iommu.c 		iommu->flush.flush_iotlb = qi_flush_iotlb;
qi_flush_iotlb    646 include/linux/intel-iommu.h extern void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,