Hi Jessica, I love your patch! Yet something to improve: [auto build test ERROR on kbuild/for-next] [also build test ERROR on v5.6-rc4 next-20200302] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Jessica-Yu/modpost-rework-and-co... base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next config: openrisc-randconfig-a001-20200302 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ERROR: modpost: "__mulsi3" [lib/test_bpf.ko] undefined! ERROR: modpost: "__mulsi3" [lib/math/prime_numbers.ko] undefined! ERROR: modpost: "__mulsi3" [net/sunrpc/auth_gss/auth_rpcgss.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-logitech-hidpp.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-lg-g15.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-logitech.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-gt683r.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-elan.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid-asus.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/hid.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hid/usbhid/usbhid.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83l786ng.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83627ehf.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tmp513.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tmp401.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tmp103.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tmp102.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/thmc50.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tc74.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/amc6821.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/smsc47m192.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/smsc47b397.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/smm665.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/shtc1.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/sht15.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/pc87360.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ntc_thermistor.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/nct6683.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/tc654.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/mcp3021.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/mc13783-adc.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max6697.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max6650.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max6639.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max6621.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max1668.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max1619.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/max16065.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4261.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4260.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4245.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4222.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4215.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc4151.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc2990.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ltc2947-core.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm95245.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm95241.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm93.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm87.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm85.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm80.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm77.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm75.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lm73.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/lineage-pem.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/jc42.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/it87.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ina3221.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ina2xx.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ibmaem.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/gpio-fan.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/gl520sm.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/g762.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/g760a.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/f75375s.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/emc6w201.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/emc1403.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ds1621.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ds620.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/drivetemp.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/dme1737.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/aspeed-pwm-tacho.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adt7462.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adt7411.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ads7828.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adm9240.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adm1029.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adm1026.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adm1025.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adm1021.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/adc128d818.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ad7418.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/ad7414.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83791d.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83781d.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83795.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/w83773g.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/hwmon/hwmon-vid.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/ata/libahci.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/ata/libata.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/temperature/mlx90632.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/temperature/mlx90614.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/proximity/srf04.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/proximity/isl29501.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/t5403.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/st_pressure.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/ms5637.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/ms5611_core.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/mpl115.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/hp03.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/pressure/dlhl60d.ko] undefined! ERROR: modpost: "__mulsi3" [drivers/iio/potentiostat/lmp91000.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org