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Yet something to improve: [auto build test ERROR on 9e2f40233670c70c25e0681cb66d50d1e2742829] url: https://github.com/intel-lab-lkp/linux/commits/jeffxu-google-com/mm-memfd-MFD_NOEXEC-for-memfd_create/20220806-062430 base: 9e2f40233670c70c25e0681cb66d50d1e2742829 config: csky-allnoconfig (https://download.01.org/0day-ci/archive/20220814/202208140256.CLDuIPhh-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 12.1.0 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/e71897c778df5381c6d1ca858ae096a557a08a2a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review jeffxu-google-com/mm-memfd-MFD_NOEXEC-for-memfd_create/20220806-062430 git checkout e71897c778df5381c6d1ca858ae096a557a08a2a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> csky-linux-ld: kernel/sysctl.o:(.data+0x398): undefined reference to `sysctl_mfd_noexec_scope' >> csky-linux-ld: kernel/sysctl.o:(.data+0x3a8): undefined reference to `mfd_noexec_dointvec_minmax' -- 0-DAY CI Kernel Test Service https://01.org/lkp