tree: https://github.com/jimc/linux.git dd-diet-7a head: 339f85c1771b8c7c26600a40081b2b67ed852e2c commit: 2dfeb66f9b91e813da83b16aab267a09ec265e0d [35/36] dyndbg: add print-once and print-ratelimited features. RFC. config: h8300-randconfig-r012-20210714 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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://github.com/jimc/linux/commit/2dfeb66f9b91e813da83b16aab267a09ec26... git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dd-diet-7a git checkout 2dfeb66f9b91e813da83b16aab267a09ec265e0d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): lib/dynamic_debug.c: In function 'dd_rl_fetch': 1485 | u64 key = (u64)desc; | ^ vim +1485 lib/dynamic_debug.c 1478 1479 /* 1480 * called when enabled callsite has _DPRINTK_FLAGS_RATELIMITED flag 1481 * set (echo +pr >control), it hashes on &table-header+index 1482 */ 1483 static struct dd_ratelimit *dd_rl_fetch(struct _ddebug *desc) 1484 { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org