Hi Ajay, kernel test robot noticed the following build warnings: [auto build test WARNING on shuah-kselftest/next] [also build test WARNING on shuah-kselftest/fixes linus/master rostedt-trace/for-next v6.3 next-20230428] [cannot apply to rostedt-trace/for-next-urgent] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949 base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next patch link: https://lore.kernel.org/r/1683026600-13485-5-git-send-email-akaher%40vmware.com patch subject: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove function config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20230503/202305030611.Kas747Ev-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/9a36b39da0c3fbfe15a3c3a0ed71b52013bac292 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949 git checkout 9a36b39da0c3fbfe15a3c3a0ed71b52013bac292 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash fs/tracefs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305030611.Kas747Ev-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> fs/tracefs/event_inode.c:379:6: sparse: sparse: symbol 'eventfs_remove_rec' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests