On Tue, Sep 14, 2021 at 01:41:03PM +0100, Jonathan Cameron wrote: > On Sun, 12 Sep 2021 06:43:58 +0800 > kernel test robot wrote: > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing > > head: 77a4a019161bcba51af1dbbeadc04795840fb3e0 > > commit: f7da4339ca510e4476ea35cb9fd44f3f190706c5 [40/43] counter: Internalize sysfs interface code > > config: i386-randconfig-r022-20210911 (attached as .config) > > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 261cbe98c38f8c1ee1a482fe76511110e790f58a) > > 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://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?id=f7da4339ca510e4476ea35cb9fd44f3f190706c5 > > git remote add iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git > > git fetch --no-tags iio testing > > git checkout f7da4339ca510e4476ea35cb9fd44f3f190706c5 > > # save the attached .config to linux build tree > > mkdir build_dir > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=i386 SHELL=/bin/bash > > > > If you fix the issue, kindly add following tag as appropriate > > Reported-by: kernel test robot > > > > All errors (new ones prefixed by >>): > > > > >> ld.lld: error: undefined symbol: __udivdi3 > > >>> referenced by intel-qep.c:290 (drivers/counter/intel-qep.c:290) > > >>> counter/intel-qep.o:(intel_qep_spike_filter_ns_write) in archive drivers/built-in.a > This is a result of a change to passing in a u64 instead of a string. I've applied a fix > that uses do_div() and pushed out as testing again. > > William, please sanity check that fix looks right to you. > > Thanks, > > Jonathan Your do_div() change seems sane to me; would div_u64_rem() work here as well, or is do_div preferred because we're not using the remainder? I'm CCing Jarkko Nikula as well to keep them in the loop. William Breathitt Gray