On Fri, Mar 10, 2023 at 02:12:21PM +0000, Liu, Yi L wrote: > > The ops are NULL if !CONFIG_IOMMUFD. The previous code was OK > > because > > it checked for non-null bind before demanding the others be non-null. > > Now we want the no-dma drivers to reuse the emulated iommu op set, > so if CONFIG_IOMMUFD==y, bind_iommufd/unbind_iommufd/attach_ioas > should be non-null for all the drivers registered to vfio. Is it? Yes Jason