On 2020/6/18 6:33, kernel test robot wrote:
> [auto build test ERROR on next-20200616]
> [cannot apply to tip/perf/core arm/for-next tip/x86/asm linus/master v5.8-rc1 v5.7
v5.7-rc7 v5.8-rc1]
> [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/Xiaoming-Ni/All-arch-remove-syst...
> base: 27f70ec4fa0e0f419031f1b8d61b1a788244e313
> config: s390-randconfig-r005-20200617 (attached as .config)
> compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project
487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44)
> 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
> # install s390 cross compiling tool for clang build
> # apt-get install binutils-s390-linux-gnu
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp(a)intel.com>
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> s390x-linux-gnu-ld: arch/s390/kernel/entry.o: in function `sys_call_table_emu':
> > > (.rodata+0x1288): undefined reference to `__s390_'
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
>
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
Sorry, I don't have a s390 compiler locally
Can you help verify the fix patch