tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7d549995d4e0d99b68e8a7793a0d23da6fc40fe8 commit: 277a20a498d30753f5d8a607dbf967bc163552c1 lib: add fast path for find_next_*_bit() date: 3 months ago config: xtensa-buildonly-randconfig-r002-20210728 (attached as .config) compiler: xtensa-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=277a20a498d30753f5d8a607dbf967bc163552c1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 277a20a498d30753f5d8a607dbf967bc163552c1 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.text.unlikely+0x21b0): Section mismatch in reference from the function jent_panic() to the variable .init.data:initcall_level_names The function jent_panic() references the variable __initdata initcall_level_names. This is often because jent_panic lacks a __initdata annotation or the annotation of initcall_level_names is wrong. The below error/warnings are from parent commit: << WARNING: modpost: vmlinux.o(.text.unlikely+0x25fc): Section mismatch in reference from the function bitmap_equal() to the variable .init.rodata:__setup_str_initcall_blacklist --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org