[frederic-dynticks:timers/core 10/11] kernel/cpu.c:1404:9: error: implicit declaration of function 'tick_assert_timekeeping_handover'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/core
head:   018d96d27486694a8496e3937ac2f7270442c7c3
commit: a8b61acc0092102926a2a5d8aa6c162d9d5762a3 [10/11] tick: Assume timekeeping is correctly handed over upon last offline idle call
config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20231227/202312271944.Un7vt3Si-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231227/202312271944.Un7vt3Si-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/202312271944.Un7vt3Si-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/sched/isolation.h:6,
                    from kernel/cpu.c:13:
   include/linux/tick.h: In function 'tick_cpu_dying':
   include/linux/tick.h:29:1: warning: no return statement in function returning non-void [-Wreturn-type]
      29 | static inline int tick_cpu_dying(unsigned int cpu) { }
         | ^~~~~~
   kernel/cpu.c: In function 'cpuhp_report_idle_dead':
>> kernel/cpu.c:1404:9: error: implicit declaration of function 'tick_assert_timekeeping_handover' [-Werror=implicit-function-declaration]
    1404 |         tick_assert_timekeeping_handover();
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/tick_assert_timekeeping_handover +1404 kernel/cpu.c

  1398	
  1399	void cpuhp_report_idle_dead(void)
  1400	{
  1401		struct cpuhp_cpu_state *st = this_cpu_ptr(&cpuhp_state);
  1402	
  1403		BUG_ON(st->state != CPUHP_AP_OFFLINE);
> 1404		tick_assert_timekeeping_handover();
  1405		rcutree_report_cpu_dead();
  1406		st->state = CPUHP_AP_IDLE_DEAD;
  1407		/*
  1408		 * We cannot call complete after rcutree_report_cpu_dead() so we delegate it
  1409		 * to an online cpu.
  1410		 */
  1411		smp_call_function_single(cpumask_first(cpu_online_mask),
  1412					 cpuhp_complete_idle_dead, st, 0);
  1413	}
  1414	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki