Hi Julian, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on arnd-asm-generic/master soc/for-next linus/master v6.11 next-20240926] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-__memcpy_-to-from-io-and-__memset_io-into-iomap_copy-c/20240925-225627 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240925132420.821473-3-jvetter%40kalrayinc.com patch subject: [PATCH v6 2/5] Replace generic memcpy and memset by IO memcpy functions config: um-randconfig-r072-20240927 (https://download.01.org/0day-ci/archive/20240927/202409271356.SXoT779W-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240927/202409271356.SXoT779W-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409271356.SXoT779W-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): WARNING: modpost: missing MODULE_DESCRIPTION() in lib/zlib_inflate/zlib_inflate.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o >> ERROR: modpost: "__memcpy_fromio" [drivers/mtd/chips/cfi_cmdset_0002.ko] undefined! >> ERROR: modpost: "__memcpy_fromio" [drivers/mtd/chips/map_ram.ko] undefined! >> ERROR: modpost: "__memcpy_toio" [drivers/mtd/chips/map_ram.ko] undefined! >> ERROR: modpost: "__memcpy_fromio" [drivers/mtd/chips/map_rom.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
