[openeuler:openEuler-1.0-LTS 20703/23707] kernel/sched/core.c:5976:9: error: implicit declaration of function 'init_auto_affinity'; did you mean 'irq_set_affinity'? - Kernel

13 Sep 2024


      tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   c46f803e3465bd0ca66716804a4d3e20f586ac0d
commit: 713cfd2684fa5ea08b144d92b9858b932c0f1705 [20703/23707] sched: Introduce smart grid scheduling strategy for cfs
config: arm64-randconfig-004-20240913 (https://download.01.org/0day-ci/archive/20240913/202409131450.IS4ToWpC-lkp@i...)
compiler: aarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409131450.IS4ToWpC-lkp@i...)
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/202409131450.IS4ToWpC-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/sched/core.c:1587:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
    1587 | void sched_set_stop_task(int cpu, struct task_struct *stop)
         |      ^~~~~~~~~~~~~~~~~~~
   kernel/sched/core.c:3771:35: warning: no previous prototype for 'preempt_schedule_irq' [-Wmissing-prototypes]
    3771 | asmlinkage __visible void __sched preempt_schedule_irq(void)
         |                                   ^~~~~~~~~~~~~~~~~~~~
   kernel/sched/core.c: In function 'sched_cpu_activate':
   kernel/sched/core.c:5845:9: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror=implicit-function-declaration]
    5845 |         tg_update_affinity_domains(cpu, 1);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/core.c: In function 'sched_init_smp':
...
...
kernel/sched/core.c:5976:9: error: implicit declaration of function 'init_auto_affinity'; did you mean 'irq_set_affinity'? [-Werror=implicit-function-declaration]
5976 |         init_auto_affinity(&root_task_group);
         |         ^~~~~~~~~~~~~~~~~~
         |         irq_set_affinity
   kernel/sched/core.c:5976:29: error: 'root_task_group' undeclared (first use in this function); did you mean 'task_group'?
    5976 |         init_auto_affinity(&root_task_group);
         |                             ^~~~~~~~~~~~~~~
         |                             task_group
   kernel/sched/core.c:5976:29: note: each undeclared identifier is reported only once for each function it appears in
   kernel/sched/core.c: In function 'sched_init':
   kernel/sched/core.c:6029:39: warning: variable 'ptr' set but not used [-Wunused-but-set-variable]
    6029 |         unsigned long alloc_size = 0, ptr;
         |                                       ^~~
   In file included from include/linux/migrate.h:6,
                    from kernel/sched/sched.h:52,
                    from kernel/sched/core.c:8:
   include/linux/mempolicy.h: At top level:
   include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function]
     329 | static long __do_mbind(unsigned long start, unsigned long len,
         |             ^~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/list.h:9,
                    from include/linux/resource_ext.h:17,
                    from include/linux/acpi.h:26,
                    from drivers/iommu/arm-smmu-v3.c:23:
   drivers/iommu/arm-smmu-v3.c: In function 'arm_smmu_device_hw_probe':
...
...
drivers/iommu/arm-smmu-v3.c:223:55: error: 'CONFIG_CMA_ALIGNMENT' undeclared (first use in this function); did you mean 'CONFIG_CMDLINE'?
223 | #define Q_MAX_SZ_SHIFT                  (PAGE_SHIFT + CONFIG_CMA_ALIGNMENT)
         |                                                       ^~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:851:36: note: in definition of macro '__typecheck'
     851 |                 (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
         |                                    ^
   include/linux/kernel.h:875:31: note: in expansion of macro '__safe_cmp'
     875 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |                               ^~~~~~~~~~
   include/linux/kernel.h:943:33: note: in expansion of macro '__careful_cmp'
     943 | #define min_t(type, x, y)       __careful_cmp((type)(x), (type)(y), <)
         |                                 ^~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4024:40: note: in expansion of macro 'min_t'
    4024 |         smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
         |                                        ^~~~~
   drivers/iommu/arm-smmu-v3.c:296:42: note: in expansion of macro 'Q_MAX_SZ_SHIFT'
     296 | #define CMDQ_MAX_SZ_SHIFT               (Q_MAX_SZ_SHIFT - CMDQ_ENT_SZ_SHIFT)
         |                                          ^~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4024:51: note: in expansion of macro 'CMDQ_MAX_SZ_SHIFT'
    4024 |         smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
         |                                                   ^~~~~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:223:55: note: each undeclared identifier is reported only once for each function it appears in
     223 | #define Q_MAX_SZ_SHIFT                  (PAGE_SHIFT + CONFIG_CMA_ALIGNMENT)
         |                                                       ^~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:851:36: note: in definition of macro '__typecheck'
     851 |                 (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
         |                                    ^
   include/linux/kernel.h:875:31: note: in expansion of macro '__safe_cmp'
     875 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |                               ^~~~~~~~~~
   include/linux/kernel.h:943:33: note: in expansion of macro '__careful_cmp'
     943 | #define min_t(type, x, y)       __careful_cmp((type)(x), (type)(y), <)
         |                                 ^~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4024:40: note: in expansion of macro 'min_t'
    4024 |         smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
         |                                        ^~~~~
   drivers/iommu/arm-smmu-v3.c:296:42: note: in expansion of macro 'Q_MAX_SZ_SHIFT'
     296 | #define CMDQ_MAX_SZ_SHIFT               (Q_MAX_SZ_SHIFT - CMDQ_ENT_SZ_SHIFT)
         |                                          ^~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4024:51: note: in expansion of macro 'CMDQ_MAX_SZ_SHIFT'
    4024 |         smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
         |                                                   ^~~~~~~~~~~~~~~~~
...
...
include/linux/kernel.h:875:9: error: first argument to '__builtin_choose_expr' not a constant
875 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:943:33: note: in expansion of macro '__careful_cmp'
     943 | #define min_t(type, x, y)       __careful_cmp((type)(x), (type)(y), <)
         |                                 ^~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4024:40: note: in expansion of macro 'min_t'
    4024 |         smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
         |                                        ^~~~~
...
...
include/linux/kernel.h:875:9: error: first argument to '__builtin_choose_expr' not a constant
875 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:943:33: note: in expansion of macro '__careful_cmp'
     943 | #define min_t(type, x, y)       __careful_cmp((type)(x), (type)(y), <)
         |                                 ^~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4038:40: note: in expansion of macro 'min_t'
    4038 |         smmu->evtq.q.llq.max_n_shift = min_t(u32, EVTQ_MAX_SZ_SHIFT,
         |                                        ^~~~~
...
...
include/linux/kernel.h:875:9: error: first argument to '__builtin_choose_expr' not a constant
875 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:943:33: note: in expansion of macro '__careful_cmp'
     943 | #define min_t(type, x, y)       __careful_cmp((type)(x), (type)(y), <)
         |                                 ^~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4040:40: note: in expansion of macro 'min_t'
    4040 |         smmu->priq.q.llq.max_n_shift = min_t(u32, PRIQ_MAX_SZ_SHIFT,
         |                                        ^~~~~
   drivers/iommu/arm-smmu-v3.c: At top level:
   drivers/iommu/arm-smmu-v3.c:4343:5: warning: no previous prototype for 'arm_smmu_set_dev_mpam' [-Wmissing-prototypes]
    4343 | int arm_smmu_set_dev_mpam(struct device *dev, int ssid, int partid, int pmg,
         |     ^~~~~~~~~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4385:5: warning: no previous prototype for 'arm_smmu_get_dev_mpam' [-Wmissing-prototypes]
    4385 | int arm_smmu_get_dev_mpam(struct device *dev, int ssid, int *partid, int *pmg,
         |     ^~~~~~~~~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4399:5: warning: no previous prototype for 'arm_smmu_set_dev_user_mpam_en' [-Wmissing-prototypes]
    4399 | int arm_smmu_set_dev_user_mpam_en(struct device *dev, int user_mpam_en)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/iommu/arm-smmu-v3.c:4417:5: warning: no previous prototype for 'arm_smmu_get_dev_user_mpam_en' [-Wmissing-prototypes]
    4417 | int arm_smmu_get_dev_user_mpam_en(struct device *dev, int *user_mpam_en)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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
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