* [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump'
@ 2022-01-08 0:41 kernel test robot
2022-01-08 4:28 ` Paul E. McKenney
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2022-01-08 0:41 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: kbuild-all, linux-kernel
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: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220108/202201080834.rGuSv2SS-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# 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
make W=1 O=build_dir ARCH=um SUBARCH=i386 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:254:5: warning: no previous prototype for 'timer_migration_handler' [-Wmissing-prototypes]
254 | int timer_migration_handler(struct ctl_table *table, int write,
| ^~~~~~~~~~~~~~~~~~~~~~~
>> kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' [-Wmissing-prototypes]
1776 | void tick_setup_sched_timer_dump(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump'
2022-01-08 0:41 [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' kernel test robot
@ 2022-01-08 4:28 ` Paul E. McKenney
0 siblings, 0 replies; 2+ messages in thread
From: Paul E. McKenney @ 2022-01-08 4:28 UTC (permalink / raw)
To: kernel test robot; +Cc: kbuild-all, linux-kernel
On Sat, Jan 08, 2022 at 08:41:32AM +0800, kernel test robot wrote:
> 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: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220108/202201080834.rGuSv2SS-lkp@intel.com/config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
> # 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
> make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash kernel/time/
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
Good catch, but this was due to debug code that has since been removed.
Thanx, Paul
> All warnings (new ones prefixed by >>):
>
> kernel/time/timer.c:254:5: warning: no previous prototype for 'timer_migration_handler' [-Wmissing-prototypes]
> 254 | int timer_migration_handler(struct ctl_table *table, int write,
> | ^~~~~~~~~~~~~~~~~~~~~~~
> >> kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' [-Wmissing-prototypes]
> 1776 | void tick_setup_sched_timer_dump(void)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> 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
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-01-08 4:28 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-08 0:41 [paulmck-rcu:dev.2022.01.04a 55/55] kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' kernel test robot
2022-01-08 4:28 ` Paul E. McKenney
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).