Hi, On Fri, Aug 4, 2023 at 12:19 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: bdffb18b5dd8071cd25685b966f380a30b1fadaa > commit: 838b3b76220d5b1bc53e4186d8936c5ec6810bf0 [6492/7272] watchdog/hardlockup: avoid large stack frames in watchdog_hardlockup_check() > config: x86_64-randconfig-x012-20230731 (https://download.01.org/0day-ci/archive/20230804/202308041501.2T8kM1gb-lkp@xxxxxxxxx/config) > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 > reproduce: (https://download.01.org/0day-ci/archive/20230804/202308041501.2T8kM1gb-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/202308041501.2T8kM1gb-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > >> kernel/watchdog.c:111:12: warning: 'hardlockup_all_cpu_backtrace_proc_handler' defined but not used [-Wunused-function] > 111 | static int hardlockup_all_cpu_backtrace_proc_handler(struct ctl_table *table, int write, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +/hardlockup_all_cpu_backtrace_proc_handler +111 kernel/watchdog.c > > 110 > > 111 static int hardlockup_all_cpu_backtrace_proc_handler(struct ctl_table *table, int write, Leaving breadcrumbs here. The expected plan to fix this is to replace the v2 patch with v4: https://lore.kernel.org/r/20230804065935.v4.2.I501ab68cb926ee33a7c87e063d207abf09b9943c@changeid/ -Doug