Hi, On Sun, Mar 28, 2021, at 11:42, kernel test robot wrote: > > All errors (new ones prefixed by >>): > > >> nios2-linux-ld: drivers/iommu/io-pgtable.o:(.rodata+0x1c): undefined reference to `io_pgtable_apple_dart_init_fns' > > That one was me not being careful enough when removing the Kconfig flag compared to v1. Fixed by moving [ARM_APPLE_DART] = &io_pgtable_apple_dart_init_fns, into the #ifdef CONFIG_IOMMU_IO_PGTABLE_LPAE region in drivers/iommu/io-pgtable.c a few lines above. Thanks, Sven