Hi Yu, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20220517] url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/bugfix-for-blk-throttle/20220518-151713 base: 47c1c54d1bcd0a69a56b49473bc20f17b70e5242 config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220518/202205182347.tMOOqyfL-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f8345dbaf4ed491742aab29834aff66b4930c087 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yu-Kuai/bugfix-for-blk-throttle/20220518-151713 git checkout f8345dbaf4ed491742aab29834aff66b4930c087 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): m68k-linux-ld: block/blk-throttle.o: in function `tg_conf_updated': >> blk-throttle.c:(.text+0x25bc): undefined reference to `__udivdi3' >> m68k-linux-ld: blk-throttle.c:(.text+0x2626): undefined reference to `__udivdi3' `.exit.text' referenced in section `.data' of sound/soc/codecs/tlv320adc3xxx.o: defined in discarded section `.exit.text' of sound/soc/codecs/tlv320adc3xxx.o -- 0-DAY CI Kernel Test Service https://01.org/lkp
