On 2021/1/28 1:42, Christoph Hellwig wrote: > On Mon, Jan 25, 2021 at 05:04:00PM +0800, Shenming Lu wrote: >> +EXPORT_SYMBOL_GPL(vfio_iommu_dev_fault_handler); > > This function is only used in vfio.c itself, so it should not be > exported, but rather marked static. > . > Yeah, it makes sense. Thanks, Shenming