From: kernel test robot <lkp@intel.com>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org
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'
Date: Sat, 8 Jan 2022 11:14:31 +0800 [thread overview]
Message-ID: <202201081127.geEljsMv-lkp@intel.com> (raw)
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
reply other threads:[~2022-01-08 3:15 UTC|newest]
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