Messages in this thread | | | Date | Sat, 8 Jan 2022 11:14:31 +0800 | From | kernel test robot <> | Subject | [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for function 'tick_setup_sched_timer_dump' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2022.01.04a head: 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 commit: 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 [55/55] squash! EXP timers: Non-nohz_full last-resort jiffies update on IRQ entry config: hexagon-randconfig-r011-20220108 (https://download.01.org/0day-ci/archive/20220108/202201081127.geEljsMv-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f3a344d2125fa37e59bae1b0874442c650a19607) 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://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=64595d0dff992756e8c6d53c0e9f1e3e50c451f7 git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags paulmck-rcu dev.2022.01.04a git checkout 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/time/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> kernel/time/timer.c:1776:6: warning: no previous prototype for function 'tick_setup_sched_timer_dump' [-Wmissing-prototypes] void tick_setup_sched_timer_dump(void) ^ kernel/time/timer.c:1776:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void tick_setup_sched_timer_dump(void) ^ static 1 warning generated.
vim +/tick_setup_sched_timer_dump +1776 kernel/time/timer.c
1775 > 1776 void tick_setup_sched_timer_dump(void) 1777 { 1778 int cpu; 1779 int j = jiffies; 1780 1781 pr_alert("%s state", __func__); 1782 for_each_possible_cpu(cpu) 1783 pr_cont(" j/c %x/%d %c", 1784 (int)(j - per_cpu(tick_setup_sched_timer_jiffies, cpu)) & 0xfff, 1785 per_cpu(tick_setup_sched_timer_jiffies_count, cpu), 1786 ".H"[per_cpu(tick_setup_sched_timer_help_needed, cpu)]); 1787 pr_cont("\n"); 1788 } 1789
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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