* [openeuler:openEuler-1.0-LTS 1668/1668] kernel/sched/core.c:5976:22: error: use of undeclared identifier 'root_task_group'; did you mean 'task_group'?
@ 2025-07-23 16:53 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-07-23 16:53 UTC (permalink / raw)
To: kernel, zhangchangzhong; +Cc: oe-kbuild-all
Hi Hui,
FYI, the error/warning still remains.
tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head: ec206d272f0e39511777d67fe7995c8b6fd1681b
commit: 713cfd2684fa5ea08b144d92b9858b932c0f1705 [1668/1668] sched: Introduce smart grid scheduling strategy for cfs
config: x86_64-buildonly-randconfig-006-20250620 (https://download.01.org/0day-ci/archive/20250724/202507240004.EXSTt6VO-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250724/202507240004.EXSTt6VO-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/202507240004.EXSTt6VO-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/sched/core.c:1587:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes]
1587 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^
kernel/sched/core.c:1587:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
1587 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^
| static
kernel/sched/core.c:3771:35: warning: no previous prototype for function 'preempt_schedule_irq' [-Wmissing-prototypes]
3771 | asmlinkage __visible void __sched preempt_schedule_irq(void)
| ^
kernel/sched/core.c:3771:22: note: declare 'static' if the function is not intended to be used outside of this translation unit
3771 | asmlinkage __visible void __sched preempt_schedule_irq(void)
| ^
| static
kernel/sched/core.c:5845:2: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror,-Wimplicit-function-declaration]
5845 | tg_update_affinity_domains(cpu, 1);
| ^
kernel/sched/core.c:5904:2: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror,-Wimplicit-function-declaration]
5904 | tg_update_affinity_domains(cpu, 0);
| ^
kernel/sched/core.c:5976:2: error: implicit declaration of function 'init_auto_affinity' [-Werror,-Wimplicit-function-declaration]
5976 | init_auto_affinity(&root_task_group);
| ^
kernel/sched/core.c:5976:2: note: did you mean 'irq_set_affinity'?
include/linux/interrupt.h:292:1: note: 'irq_set_affinity' declared here
292 | irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
| ^
>> kernel/sched/core.c:5976:22: error: use of undeclared identifier 'root_task_group'; did you mean 'task_group'?
5976 | init_auto_affinity(&root_task_group);
| ^~~~~~~~~~~~~~~
| task_group
kernel/sched/sched.h:1444:34: note: 'task_group' declared here
1444 | static inline struct task_group *task_group(struct task_struct *p)
| ^
kernel/sched/core.c:6029:32: warning: variable 'ptr' set but not used [-Wunused-but-set-variable]
6029 | unsigned long alloc_size = 0, ptr;
| ^
3 warnings and 4 errors generated.
vim +5976 kernel/sched/core.c
5949
5950 void __init sched_init_smp(void)
5951 {
5952 sched_init_numa();
5953
5954 /*
5955 * There's no userspace yet to cause hotplug operations; hence all the
5956 * CPU masks are stable and all blatant races in the below code cannot
5957 * happen. The hotplug lock is nevertheless taken to satisfy lockdep,
5958 * but there won't be any contention on it.
5959 */
5960 cpus_read_lock();
5961 mutex_lock(&sched_domains_mutex);
5962 sched_init_domains(cpu_active_mask);
5963 mutex_unlock(&sched_domains_mutex);
5964 cpus_read_unlock();
5965
5966 /* Move init over to a non-isolated CPU */
5967 if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0)
5968 BUG();
5969 sched_init_granularity();
5970
5971 init_sched_rt_class();
5972 init_sched_dl_class();
5973
5974 sched_smp_initialized = true;
5975
> 5976 init_auto_affinity(&root_task_group);
5977 }
5978
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* [openeuler:openEuler-1.0-LTS 1668/1668] kernel/sched/core.c:5976:22: error: use of undeclared identifier 'root_task_group'; did you mean 'task_group'?
@ 2025-10-25 22:02 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-10-25 22:02 UTC (permalink / raw)
To: kernel, zhangchangzhong; +Cc: oe-kbuild-all
Hi Hui,
FYI, the error/warning still remains.
tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head: ee55f6a88c1f70120d9cec8244c5cd10f0c4dce9
commit: 713cfd2684fa5ea08b144d92b9858b932c0f1705 [1668/1668] sched: Introduce smart grid scheduling strategy for cfs
config: x86_64-buildonly-randconfig-006-20250620 (https://download.01.org/0day-ci/archive/20251026/202510260511.Ac2yFRes-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251026/202510260511.Ac2yFRes-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/202510260511.Ac2yFRes-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/sched/core.c:1587:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes]
1587 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^
kernel/sched/core.c:1587:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
1587 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^
| static
kernel/sched/core.c:3771:35: warning: no previous prototype for function 'preempt_schedule_irq' [-Wmissing-prototypes]
3771 | asmlinkage __visible void __sched preempt_schedule_irq(void)
| ^
kernel/sched/core.c:3771:22: note: declare 'static' if the function is not intended to be used outside of this translation unit
3771 | asmlinkage __visible void __sched preempt_schedule_irq(void)
| ^
| static
kernel/sched/core.c:5845:2: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror,-Wimplicit-function-declaration]
5845 | tg_update_affinity_domains(cpu, 1);
| ^
kernel/sched/core.c:5904:2: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror,-Wimplicit-function-declaration]
5904 | tg_update_affinity_domains(cpu, 0);
| ^
kernel/sched/core.c:5976:2: error: implicit declaration of function 'init_auto_affinity' [-Werror,-Wimplicit-function-declaration]
5976 | init_auto_affinity(&root_task_group);
| ^
kernel/sched/core.c:5976:2: note: did you mean 'irq_set_affinity'?
include/linux/interrupt.h:292:1: note: 'irq_set_affinity' declared here
292 | irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
| ^
>> kernel/sched/core.c:5976:22: error: use of undeclared identifier 'root_task_group'; did you mean 'task_group'?
5976 | init_auto_affinity(&root_task_group);
| ^~~~~~~~~~~~~~~
| task_group
kernel/sched/sched.h:1444:34: note: 'task_group' declared here
1444 | static inline struct task_group *task_group(struct task_struct *p)
| ^
kernel/sched/core.c:6029:32: warning: variable 'ptr' set but not used [-Wunused-but-set-variable]
6029 | unsigned long alloc_size = 0, ptr;
| ^
3 warnings and 4 errors generated.
vim +5976 kernel/sched/core.c
5949
5950 void __init sched_init_smp(void)
5951 {
5952 sched_init_numa();
5953
5954 /*
5955 * There's no userspace yet to cause hotplug operations; hence all the
5956 * CPU masks are stable and all blatant races in the below code cannot
5957 * happen. The hotplug lock is nevertheless taken to satisfy lockdep,
5958 * but there won't be any contention on it.
5959 */
5960 cpus_read_lock();
5961 mutex_lock(&sched_domains_mutex);
5962 sched_init_domains(cpu_active_mask);
5963 mutex_unlock(&sched_domains_mutex);
5964 cpus_read_unlock();
5965
5966 /* Move init over to a non-isolated CPU */
5967 if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0)
5968 BUG();
5969 sched_init_granularity();
5970
5971 init_sched_rt_class();
5972 init_sched_dl_class();
5973
5974 sched_smp_initialized = true;
5975
> 5976 init_auto_affinity(&root_task_group);
5977 }
5978
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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