* [zen:5.14/prjc 1/221] kernel/sched/alt_core.c:652:6: warning: no previous prototype for 'resched_curr'
@ 2021-09-27 19:39 kernel test robot
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From: kernel test robot @ 2021-09-27 19:39 UTC (permalink / raw)
To: kbuild-all
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tree: https://github.com/zen-kernel/zen-kernel 5.14/prjc
head: a74cb46b3e41b71e5eb452467ef2000188afe8d7
commit: f746b5817d3274fa4f458f87f6b452e7304b1d64 [1/221] Project C v5.7.5-r2
config: mips-randconfig-r012-20210927 (attached as .config)
compiler: mips-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/zen-kernel/zen-kernel/commit/f746b5817d3274fa4f458f87f6b452e7304b1d64
git remote add zen https://github.com/zen-kernel/zen-kernel
git fetch --no-tags zen 5.14/prjc
git checkout f746b5817d3274fa4f458f87f6b452e7304b1d64
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from kernel/sched/alt_core.c:191:
kernel/sched/alt_core.c: In function 'dequeue_task':
kernel/sched/bmq_imp.h:52:9: error: implicit declaration of function 'sched_info_dequeued'; did you mean 'sched_info_dequeue'? [-Werror=implicit-function-declaration]
52 | sched_info_dequeued(rq, p); \
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:444:9: note: in expansion of macro '__SCHED_DEQUEUE_TASK'
444 | __SCHED_DEQUEUE_TASK(p, rq, flags, update_sched_rq_watermark(rq));
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'enqueue_task':
kernel/sched/bmq_imp.h:61:9: error: implicit declaration of function 'sched_info_queued'; did you mean 'sched_info_enqueue'? [-Werror=implicit-function-declaration]
61 | sched_info_queued(rq, p); \
| ^~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:461:9: note: in expansion of macro '__SCHED_ENQUEUE_TASK'
461 | __SCHED_ENQUEUE_TASK(p, rq, flags);
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: At top level:
>> kernel/sched/alt_core.c:652:6: warning: no previous prototype for 'resched_curr' [-Wmissing-prototypes]
652 | void resched_curr(struct rq *rq)
| ^~~~~~~~~~~~
>> kernel/sched/alt_core.c:675:6: warning: no previous prototype for 'resched_cpu' [-Wmissing-prototypes]
675 | void resched_cpu(int cpu)
| ^~~~~~~~~~~
>> kernel/sched/alt_core.c:883:6: warning: no previous prototype for 'hrtick_start' [-Wmissing-prototypes]
883 | void hrtick_start(struct rq *rq, u64 delay)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'activate_task':
kernel/sched/alt_core.c:955:13: error: implicit declaration of function 'task_contributes_to_load' [-Werror=implicit-function-declaration]
955 | if (task_contributes_to_load(p))
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'ttwu_do_wakeup':
kernel/sched/alt_core.c:1578:12: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
1578 | p->state = TASK_RUNNING;
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'try_to_wake_up':
kernel/sched/alt_core.c:1793:26: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
1793 | if (!(p->state & state))
| ^~~~~
| __state
kernel/sched/alt_core.c:1799:20: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
1799 | p->state = TASK_RUNNING;
| ^~~~~
| __state
kernel/sched/alt_core.c:1812:18: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
1812 | if (!(p->state & state))
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'sched_fork':
kernel/sched/alt_core.c:1973:12: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
1973 | p->state = TASK_NEW;
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'wake_up_new_task':
kernel/sched/alt_core.c:2136:12: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
2136 | p->state = TASK_RUNNING;
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'finish_task_switch':
kernel/sched/alt_core.c:2384:28: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
2384 | prev_state = prev->state;
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'schedule_tail':
kernel/sched/alt_core.c:2433:20: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
2433 | struct rq *rq;
| ^~
kernel/sched/alt_core.c: At top level:
kernel/sched/alt_core.c:2518:15: error: conflicting types for 'nr_running'; have 'long unsigned int(void)'
2518 | unsigned long nr_running(void)
| ^~~~~~~~~~
In file included from kernel/sched/alt_sched.h:16,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/stat.h:20:21: note: previous declaration of 'nr_running' with type 'unsigned int(void)'
20 | extern unsigned int nr_running(void);
| ^~~~~~~~~~
kernel/sched/alt_core.c:2565:15: error: conflicting types for 'nr_iowait_cpu'; have 'long unsigned int(int)'
2565 | unsigned long nr_iowait_cpu(int cpu)
| ^~~~~~~~~~~~~
In file included from kernel/sched/alt_sched.h:16,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/stat.h:23:21: note: previous declaration of 'nr_iowait_cpu' with type 'unsigned int(int)'
23 | extern unsigned int nr_iowait_cpu(int cpu);
| ^~~~~~~~~~~~~
kernel/sched/alt_core.c:2600:15: error: conflicting types for 'nr_iowait'; have 'long unsigned int(void)'
2600 | unsigned long nr_iowait(void)
| ^~~~~~~~~
In file included from kernel/sched/alt_sched.h:16,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/stat.h:22:21: note: previous declaration of 'nr_iowait' with type 'unsigned int(void)'
22 | extern unsigned int nr_iowait(void);
| ^~~~~~~~~
kernel/sched/alt_core.c:2706:6: error: conflicting types for 'arch_set_thermal_pressure'; have 'void(struct cpumask *, long unsigned int)'
2706 | void arch_set_thermal_pressure(struct cpumask *cpus,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/sched/alt_sched.h:19,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/topology.h:264:6: note: previous definition of 'arch_set_thermal_pressure' with type 'void(const struct cpumask *, long unsigned int)'
264 | void arch_set_thermal_pressure(const struct cpumask *cpus,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'scheduler_tick':
kernel/sched/alt_core.c:2753:9: error: implicit declaration of function 'psi_task_tick'; did you mean 'put_task_stack'? [-Werror=implicit-function-declaration]
2753 | psi_task_tick(rq);
| ^~~~~~~~~~~~~
| put_task_stack
kernel/sched/alt_core.c: In function '__schedule_bug':
kernel/sched/alt_core.c:3097:30: warning: passing argument 1 of 'print_ip_sym' makes pointer from integer without a cast [-Wint-conversion]
3097 | print_ip_sym(preempt_disable_ip);
| ^~~~~~~~~~~~~~~~~~
| |
| long unsigned int
In file included from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from kernel/sched/alt_sched.h:24,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/kallsyms.h:177:45: note: expected 'const char *' but argument is of type 'long unsigned int'
177 | static inline void print_ip_sym(const char *loglvl, unsigned long ip)
--
177 | static inline void print_ip_sym(const char *loglvl, unsigned long ip)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c: In function '__schedule':
kernel/sched/alt_core.c:3357:31: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
3357 | if (!preempt && prev->state) {
| ^~~~~
| __state
kernel/sched/alt_core.c:3358:48: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
3358 | if (signal_pending_state(prev->state, prev)) {
| ^~~~~
| __state
kernel/sched/alt_core.c:3359:31: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
3359 | prev->state = TASK_RUNNING;
| ^~~~~
| __state
kernel/sched/alt_core.c: In function 'sched_submit_work':
kernel/sched/alt_core.c:3438:19: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
3438 | if (!tsk->state)
| ^~~~~
| __state
In file included from include/asm-generic/bug.h:7,
from arch/mips/include/asm/bug.h:42,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from include/asm-generic/current.h:5,
from ./arch/mips/include/generated/asm/current.h:1,
from include/linux/sched.h:12,
from kernel/sched/alt_sched.h:4,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
kernel/sched/alt_core.c: In function 'schedule_idle':
kernel/sched/alt_core.c:3512:31: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
3512 | WARN_ON_ONCE(current->state);
| ^~~~~
include/linux/once_lite.h:15:41: note: in definition of macro 'DO_ONCE_LITE_IF'
15 | bool __ret_do_once = !!(condition); \
| ^~~~~~~~~
kernel/sched/alt_core.c:3512:9: note: in expansion of macro 'WARN_ON_ONCE'
3512 | WARN_ON_ONCE(current->state);
| ^~~~~~~~~~~~
kernel/sched/alt_core.c: In function '__sched_setscheduler':
kernel/sched/alt_core.c:4031:46: error: 'MAX_USER_RT_PRIO' undeclared (first use in this function); did you mean 'MAX_RT_PRIO'?
4031 | (p->mm && attr->sched_priority > MAX_USER_RT_PRIO - 1) ||
| ^~~~~~~~~~~~~~~~
| MAX_RT_PRIO
kernel/sched/alt_core.c:4031:46: note: each undeclared identifier is reported only once for each function it appears in
kernel/sched/alt_core.c: At top level:
kernel/sched/alt_core.c:4749:13: error: redefinition of '_cond_resched'
4749 | int __sched _cond_resched(void)
| ^~~~~~~~~~~~~
In file included from kernel/sched/alt_sched.h:4,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched.h:1948:19: note: previous definition of '_cond_resched' with type 'int(void)'
1948 | static inline int _cond_resched(void)
| ^~~~~~~~~~~~~
kernel/sched/alt_core.c: In function '__do_sys_sched_get_priority_max':
kernel/sched/alt_core.c:4902:23: error: 'MAX_USER_RT_PRIO' undeclared (first use in this function); did you mean 'MAX_RT_PRIO'?
4902 | ret = MAX_USER_RT_PRIO-1;
| ^~~~~~~~~~~~~~~~
| MAX_RT_PRIO
kernel/sched/alt_core.c: In function 'sched_show_task':
kernel/sched/alt_core.c:5010:16: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
5010 | if (p->state == TASK_RUNNING)
| ^~~~~
| __state
kernel/sched/alt_core.c:5025:9: error: too few arguments to function 'show_stack'
5025 | show_stack(p, NULL);
| ^~~~~~~~~~
In file included from kernel/sched/alt_sched.h:9,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/debug.h:33:13: note: declared here
33 | extern void show_stack(struct task_struct *task, unsigned long *sp,
| ^~~~~~~~~~
kernel/sched/alt_core.c: In function 'state_filter_match':
kernel/sched/alt_core.c:5038:18: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
5038 | if (!(p->state & state_filter))
| ^~~~~
| __state
kernel/sched/alt_core.c:5045:56: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
5045 | if (state_filter == TASK_UNINTERRUPTIBLE && p->state == TASK_IDLE)
| ^~~~~
| __state
kernel/sched/alt_core.c: At top level:
kernel/sched/alt_core.c:5052:6: error: conflicting types for 'show_state_filter'; have 'void(long unsigned int)'
5052 | void show_state_filter(unsigned long state_filter)
| ^~~~~~~~~~~~~~~~~
In file included from kernel/sched/alt_sched.h:9,
from kernel/sched/sched.h:6,
from kernel/sched/alt_core.c:14:
include/linux/sched/debug.h:17:13: note: previous declaration of 'show_state_filter' with type 'void(unsigned int)'
17 | extern void show_state_filter(unsigned int state_filter);
| ^~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'init_idle':
kernel/sched/alt_core.c:5118:15: error: 'struct task_struct' has no member named 'state'; did you mean '__state'?
5118 | idle->state = TASK_RUNNING;
| ^~~~~
| __state
kernel/sched/alt_core.c: At top level:
>> kernel/sched/alt_core.c:5813:20: warning: no previous prototype for 'sched_create_group' [-Wmissing-prototypes]
5813 | struct task_group *sched_create_group(struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~
>> kernel/sched/alt_core.c:5824:6: warning: no previous prototype for 'sched_online_group' [-Wmissing-prototypes]
5824 | void sched_online_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~
>> kernel/sched/alt_core.c:5835:6: warning: no previous prototype for 'sched_destroy_group' [-Wmissing-prototypes]
5835 | void sched_destroy_group(struct task_group *tg)
| ^~~~~~~~~~~~~~~~~~~
>> kernel/sched/alt_core.c:5841:6: warning: no previous prototype for 'sched_offline_group' [-Wmissing-prototypes]
5841 | void sched_offline_group(struct task_group *tg)
| ^~~~~~~~~~~~~~~~~~~
>> kernel/sched/alt_core.c:5933:27: warning: initialized field overwritten [-Woverride-init]
5933 | .legacy_cftypes = cpu_legacy_files,
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:5933:27: note: (near initialization for 'cpu_cgrp_subsys.legacy_cftypes')
kernel/sched/alt_core.c:142:18: warning: 'sched_sg_idle_mask' defined but not used [-Wunused-variable]
142 | static cpumask_t sched_sg_idle_mask ____cacheline_aligned_in_smp;
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/resched_curr +652 kernel/sched/alt_core.c
644
645 /*
646 * resched_curr - mark rq's current task 'to be rescheduled now'.
647 *
648 * On UP this means the setting of the need_resched flag, on SMP it
649 * might also involve a cross-CPU call to trigger the scheduler on
650 * the target CPU.
651 */
> 652 void resched_curr(struct rq *rq)
653 {
654 struct task_struct *curr = rq->curr;
655 int cpu;
656
657 lockdep_assert_held(&rq->lock);
658
659 if (test_tsk_need_resched(curr))
660 return;
661
662 cpu = cpu_of(rq);
663 if (cpu == smp_processor_id()) {
664 set_tsk_need_resched(curr);
665 set_preempt_need_resched();
666 return;
667 }
668
669 if (set_nr_and_not_polling(curr))
670 smp_send_reschedule(cpu);
671 else
672 trace_sched_wake_idle_without_ipi(cpu);
673 }
674
> 675 void resched_cpu(int cpu)
676 {
677 struct rq *rq = cpu_rq(cpu);
678 unsigned long flags;
679
680 raw_spin_lock_irqsave(&rq->lock, flags);
681 if (cpu_online(cpu) || cpu == smp_processor_id())
682 resched_curr(cpu_rq(cpu));
683 raw_spin_unlock_irqrestore(&rq->lock, flags);
684 }
685
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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