tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git deferred-inactivation-5.14 head: 77e8ee4ef7dcff86e0848e876cff8de28808a253 commit: ff61fd32f3a0f1bb9794d9f8fc02de5ec9c2fb40 [20/24] xfs: parallelize inode inactivation config: arm-randconfig-r006-20210613 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/comm... git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs deferred-inactivation-5.14 git checkout ff61fd32f3a0f1bb9794d9f8fc02de5ec9c2fb40 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): do_div(ag_space, 100); ^~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:228:28: note: expanded from macro 'do_div' (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ do_div(ag_space, 100); ^~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:245:22: note: expanded from macro 'do_div' __rem = __div64_32(&(n), __base); \ ^~~~ arch/arm/include/asm/div64.h:24:45: note: passing argument to parameter 'n' here static inline uint32_t __div64_32(uint64_t *n, uint32_t base) ^ do_div(ag_space, 100); ^~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:241:25: note: expanded from macro 'do_div' } else if (likely(((n) >> 32) == 0)) { \ ^ ~~ include/linux/compiler.h:45:39: note: expanded from macro 'likely' # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x))) ^ include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__' ______r = __builtin_expect(!!(x), expect); \ ^ do_div(ag_space, 100); ^~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:241:25: note: expanded from macro 'do_div' } else if (likely(((n) >> 32) == 0)) { \ ^ ~~ include/linux/compiler.h:45:66: note: expanded from macro 'likely' # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x))) ^ include/linux/compiler.h:35:19: note: expanded from macro '__branch_check__' expect, is_constant); \ ^~~~~~~~~~~ 3 warnings and 1 error generated. vim +373 fs/xfs/xfs_mount.c 360 361 /* 362 * precalculate the low space thresholds for dynamic speculative preallocation. 363 */ 364 void 365 xfs_set_low_space_thresholds( 366 struct xfs_mount *mp) 367 { 368 uint64_t space = mp->m_sb.sb_dblocks; 369 uint32_t ag_space = mp->m_sb.sb_agblocks; 370 int i; 371 372 do_div(space, 100); 374 375 for (i = 0; i < XFS_LOWSP_MAX; i++) { 376 mp->m_low_space[i] = space * (i + 1); 377 mp->m_ag_low_space[i] = ag_space * (i + 1); 378 } 379 } 380 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org