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SubjectRe: [iio:testing 40/43] ld.lld: error: undefined symbol: __udivdi3
On Sun, 12 Sep 2021 06:43:58 +0800
kernel test robot <lkp@intel.com> 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 <lkp@intel.com>
>
> 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
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>

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