[mingo-tip:WIP.sched/core 20/43] kernel/sched/core.c:3866:undefined reference to `__smp_call_single_queue'

[mingo-tip:WIP.sched/core 20/43] kernel/sched/core.c:3866:undefined reference to `__smp_call_single_queue'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git WIP.sched/core
head:   731a8585a149733b0b5d8d2d80385810e2cc7791
commit: 9575f83b90508bfb5a891d2997589bddb0202dcd [20/43] sched/smp: Make SMP unconditional
config: csky-randconfig-002-20250528 (https://download.01.org/0day-ci/archive/20250528/202505280555.fVSODtNV-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250528/202505280555.fVSODtNV-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/202505280555.fVSODtNV-lkp@intel.com/

All errors (new ones prefixed by >>):

   csky-linux-ld: kernel/sched/core.o: in function `__ttwu_queue_wakelist':
>> kernel/sched/core.c:3866:(.text+0x6d76): undefined reference to `__smp_call_single_queue'
   csky-linux-ld: kernel/sched/core.o: in function `ttwu_queue':
   kernel/sched/core.c:3973:(.text+0x6dbc): undefined reference to `__smp_call_single_queue'


vim +3866 kernel/sched/core.c

ca38062e57e977 kernel/sched.c      Suresh Siddha  2011-10-03  3852  
ca38062e57e977 kernel/sched.c      Suresh Siddha  2011-10-03  3853  /*
2ebb1771755060 kernel/sched/core.c Mel Gorman     2020-05-24  3854   * Queue a task on the target CPUs wake_list and wake the CPU via IPI if
2ebb1771755060 kernel/sched/core.c Mel Gorman     2020-05-24  3855   * necessary. The wakee CPU on receipt of the IPI will queue the task
2ebb1771755060 kernel/sched/core.c Mel Gorman     2020-05-24  3856   * via sched_ttwu_wakeup() for activation so the wakee incurs the cost
2ebb1771755060 kernel/sched/core.c Mel Gorman     2020-05-24  3857   * of the wakeup instead of the waker.
ca38062e57e977 kernel/sched.c      Suresh Siddha  2011-10-03  3858   */
2ebb1771755060 kernel/sched/core.c Mel Gorman     2020-05-24  3859  static void __ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags)
317f394160e9be kernel/sched.c      Peter Zijlstra 2011-04-05  3860  {
e3baac47f0e82c kernel/sched/core.c Peter Zijlstra 2014-06-04  3861  	struct rq *rq = cpu_rq(cpu);
e3baac47f0e82c kernel/sched/core.c Peter Zijlstra 2014-06-04  3862  
b7e7ade34e6188 kernel/sched/core.c Peter Zijlstra 2016-05-23  3863  	p->sched_remote_wakeup = !!(wake_flags & WF_MIGRATED);
b7e7ade34e6188 kernel/sched/core.c Peter Zijlstra 2016-05-23  3864  
126c2092e5c8b2 kernel/sched/core.c Peter Zijlstra 2020-05-26  3865  	WRITE_ONCE(rq->ttwu_pending, 1);
8c4890d1c3358f kernel/sched/core.c Peter Zijlstra 2020-06-22 @3866  	__smp_call_single_queue(cpu, &p->wake_entry.llist);
317f394160e9be kernel/sched.c      Peter Zijlstra 2011-04-05  3867  }
d6aa8f85f16379 kernel/sched.c      Peter Zijlstra 2011-05-26  3868  

:::::: The code at line 3866 was first introduced by commit
:::::: 8c4890d1c3358fb8023d46e1e554c41d54f02878 smp, irq_work: Continue smp_call_function*() and irq_work*() integration

:::::: TO: Peter Zijlstra <peterz@infradead.org>
:::::: CC: Borislav Petkov <bp@suse.de>

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