Hi Jeff, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on v5.15-rc6] [also build test ERROR on next-20211021] [cannot apply to tip/perf/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jeff-Xie/trace-Add-trace-any-ker... base: 519d81956ee277b4419c723adfb154603c2565ba config: powerpc-allyesconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/215d03dac45677f4ea859542fc2c2fe52... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeff-Xie/trace-Add-trace-any-kernel-object/20211022-025447 git checkout 215d03dac45677f4ea859542fc2c2fe524e29fa1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): kernel/trace/trace_events_trigger.c: In function 'trace_object_trigger': 1717 | param = regs_get_kernel_argument(obj_param->regs, obj_param->param - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~ | regs_get_kernel_stack_nth cc1: all warnings being treated as errors vim +1717 kernel/trace/trace_events_trigger.c 1713 1714 struct object_trigger_param *obj_param = data->private_data; 1715 unsigned long param; 1716 1718 set_trace_object((void *)param); 1719 } 1720 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org