tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e94bd4ec45ac156616da285a0bf03056cd7430fc commit: fb01916e3b56de4c9c6510202b446365082bdd3c [10764/11415] samples: add hung_task detector mutex blocking sample config: i386-randconfig-r111-20250318 (https://download.01.org/0day-ci/archive/20250318/202503180827.4StpuFrD-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250318/202503180827.4StpuFrD-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503180827.4StpuFrD-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> samples/hung_task/hung_task_mutex.c:25:15: sparse: sparse: symbol 'hung_task_dir' was not declared. Should it be static? vim +/hung_task_dir +25 samples/hung_task/hung_task_mutex.c 22 23 static const char dummy_string[] = "This is a dummy string."; 24 static DEFINE_MUTEX(dummy_mutex); > 25 struct dentry *hung_task_dir; 26 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
