[frederic-dynticks:timers/hotplug 14/15] kernel/time/tick-sched.c:1575:6: error: redefinition of 'tick_sched_timer_dying'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/hotplug
head:   378e195ce2fd96d90ed7c1cde9033cb7079a7274
commit: 9cd2efa0d41453db9d7e6bc813bde58daa3f0449 [14/15] tick: Shut down low-res tick from dying CPU
config: arm-randconfig-r052-20240128 (https://download.01.org/0day-ci/archive/20240129/202401291549.QU9vTGce-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240129/202401291549.QU9vTGce-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401291549.QU9vTGce-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/time/tick-sched.c:1575:6: error: redefinition of 'tick_sched_timer_dying'
    1575 | void tick_sched_timer_dying(int cpu)
         |      ^~~~~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/tick-internal.h:9,
                    from kernel/time/tick-sched.c:32:
   kernel/time/tick-sched.h:111:20: note: previous definition of 'tick_sched_timer_dying' with type 'void(int)'
     111 | static inline void tick_sched_timer_dying(int cpu) { }
         |                    ^~~~~~~~~~~~~~~~~~~~~~


vim +/tick_sched_timer_dying +1575 kernel/time/tick-sched.c

  1570	
  1571	/*
  1572	 * Shut down the tick and make sure the CPU won't try to retake the timekeeping
  1573	 * duty before disabling IRQs in idle for the last time.
  1574	 */
> 1575	void tick_sched_timer_dying(int cpu)
  1576	{
  1577		struct tick_device *td = &per_cpu(tick_cpu_device, cpu);
  1578		struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
  1579		struct clock_event_device *dev = td->evtdev;
  1580		ktime_t idle_sleeptime, iowait_sleeptime;
  1581	
  1582		/* This must happen before hrtimers are migrated! */
  1583		tick_sched_timer_cancel(ts);
  1584	
  1585		/*
  1586		 * If the clockevents doesn't support CLOCK_EVT_STATE_ONESHOT_STOPPED,
  1587		 * make sure not to call low-res tick handler.
  1588		 */
  1589		if (tick_sched_flag_test(ts, TS_FLAG_NOHZ))
  1590			dev->event_handler = clockevents_handle_noop;
  1591	
  1592		idle_sleeptime = ts->idle_sleeptime;
  1593		iowait_sleeptime = ts->iowait_sleeptime;
  1594		memset(ts, 0, sizeof(*ts));
  1595		ts->idle_sleeptime = idle_sleeptime;
  1596		ts->iowait_sleeptime = iowait_sleeptime;
  1597	}
  1598	

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