From: kernel test robot <lkp@intel.com>
To: steven@liquorix.net
Cc: oe-kbuild-all@lists.linux.dev
Subject: [zen:6.7/prjc 294/431] kernel/sched/alt_core.c:4421:3: error: call to undeclared function 'hrtick_start'; ISO C99 and later do not support implicit function declarations
Date: Mon, 29 Jan 2024 09:45:32 +0800 [thread overview]
Message-ID: <202401290939.dGYMLyML-lkp@intel.com> (raw)
tree: https://github.com/zen-kernel/zen-kernel 6.7/prjc
head: 31561c8ccf8a088f0c1ccefa592b221423781ce2
commit: 8ba0ab052a7464503f11589aa0248012e7c8ee16 [294/431] sched/alt: [Sync] 95c74abe404d io_uring: move to separate directory
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20240129/202401290939.dGYMLyML-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240129/202401290939.dGYMLyML-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/202401290939.dGYMLyML-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/sched/alt_core.c:16:
In file included from include/linux/sched/isolation.h:6:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from kernel/sched/alt_core.c:16:
In file included from include/linux/sched/isolation.h:6:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from kernel/sched/alt_core.c:16:
In file included from include/linux/sched/isolation.h:6:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from kernel/sched/alt_core.c:42:
In file included from kernel/sched/sched.h:9:
kernel/sched/alt_sched.h:481:14: warning: declaration of 'struct cpuidle_state' will not be visible outside of this function [-Wvisibility]
481 | struct cpuidle_state *idle_state)
| ^
kernel/sched/alt_core.c:578:14: error: call to undeclared function 'sched_clock_cpu'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
578 | s64 delta = sched_clock_cpu(cpu_of(rq)) - rq->clock;
| ^
kernel/sched/alt_core.c:966:6: warning: no previous prototype for function 'resched_curr' [-Wmissing-prototypes]
966 | void resched_curr(struct rq *rq)
| ^
kernel/sched/alt_core.c:966:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
966 | void resched_curr(struct rq *rq)
| ^
| static
kernel/sched/alt_core.c:989:6: warning: no previous prototype for function 'resched_cpu' [-Wmissing-prototypes]
989 | void resched_cpu(int cpu)
| ^
kernel/sched/alt_core.c:989:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
989 | void resched_cpu(int cpu)
| ^
| static
kernel/sched/alt_core.c:3894:2: error: call to undeclared function 'sched_clock_tick'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
3894 | sched_clock_tick();
| ^
kernel/sched/alt_core.c:3894:2: note: did you mean 'scheduler_tick'?
kernel/sched/alt_core.c:3887:6: note: 'scheduler_tick' declared here
3887 | void scheduler_tick(void)
| ^
3888 | {
3889 | int cpu __maybe_unused = smp_processor_id();
3890 | struct rq *rq = cpu_rq(cpu);
3891 | u64 resched_latency;
3892 |
3893 | arch_scale_freq_tick();
3894 | sched_clock_tick();
| ~~~~~~~~~~~~~~~~
| scheduler_tick
>> kernel/sched/alt_core.c:4421:3: error: call to undeclared function 'hrtick_start'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4421 | hrtick_start(rq, next->time_slice);
| ^
kernel/sched/alt_core.c:4421:3: note: did you mean 'hrtimer_start'?
include/linux/hrtimer.h:415:20: note: 'hrtimer_start' declared here
415 | static inline void hrtimer_start(struct hrtimer *timer, ktime_t tim,
| ^
kernel/sched/alt_core.c:4440:2: error: call to undeclared function 'hrtick_start'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4440 | hrtick_start(rq, next->time_slice);
| ^
kernel/sched/alt_core.c:4558:21: error: use of undeclared identifier 'PF_FROZEN'
4558 | !(prev->flags & PF_FROZEN);
| ^
kernel/sched/alt_core.c:4674:6: error: call to undeclared function 'tsk_is_pi_blocked'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4674 | if (tsk_is_pi_blocked(tsk))
| ^
kernel/sched/alt_core.c:5357:3: error: call to undeclared function 'cpuset_read_lock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
5357 | cpuset_read_lock();
| ^
kernel/sched/alt_core.c:5357:3: note: did you mean 'cpus_read_lock'?
include/linux/cpu.h:148:20: note: 'cpus_read_lock' declared here
148 | static inline void cpus_read_lock(void) { }
| ^
kernel/sched/alt_core.c:5405:4: error: call to undeclared function 'cpuset_read_unlock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
5405 | cpuset_read_unlock();
| ^
kernel/sched/alt_core.c:5437:3: error: call to undeclared function 'cpuset_read_unlock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
5437 | cpuset_read_unlock();
| ^
kernel/sched/alt_core.c:5451:3: error: call to undeclared function 'cpuset_read_unlock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
5451 | cpuset_read_unlock();
| ^
kernel/sched/alt_core.c:7238:13: warning: no previous prototype for function 'sched_init_smp' [-Wmissing-prototypes]
7238 | void __init sched_init_smp(void)
| ^
kernel/sched/alt_core.c:7238:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7238 | void __init sched_init_smp(void)
| ^
| static
kernel/sched/alt_core.c:7278:13: warning: no previous prototype for function 'sched_init' [-Wmissing-prototypes]
7278 | void __init sched_init(void)
| ^
kernel/sched/alt_core.c:7278:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7278 | void __init sched_init(void)
| ^
| static
kernel/sched/alt_core.c:7633:20: warning: no previous prototype for function 'sched_create_group' [-Wmissing-prototypes]
7633 | struct task_group *sched_create_group(struct task_group *parent)
| ^
kernel/sched/alt_core.c:7633:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7633 | struct task_group *sched_create_group(struct task_group *parent)
| ^
| static
kernel/sched/alt_core.c:7644:6: warning: no previous prototype for function 'sched_online_group' [-Wmissing-prototypes]
7644 | void sched_online_group(struct task_group *tg, struct task_group *parent)
| ^
kernel/sched/alt_core.c:7644:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7644 | void sched_online_group(struct task_group *tg, struct task_group *parent)
| ^
| static
kernel/sched/alt_core.c:7655:6: warning: no previous prototype for function 'sched_destroy_group' [-Wmissing-prototypes]
7655 | void sched_destroy_group(struct task_group *tg)
| ^
kernel/sched/alt_core.c:7655:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7655 | void sched_destroy_group(struct task_group *tg)
| ^
| static
kernel/sched/alt_core.c:7661:6: warning: no previous prototype for function 'sched_release_group' [-Wmissing-prototypes]
7661 | void sched_release_group(struct task_group *tg)
| ^
kernel/sched/alt_core.c:7661:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7661 | void sched_release_group(struct task_group *tg)
| ^
| static
kernel/sched/alt_core.c:7731:5: warning: no previous prototype for function 'sched_group_set_shares' [-Wmissing-prototypes]
7731 | int sched_group_set_shares(struct task_group *tg, unsigned long shares)
| ^
kernel/sched/alt_core.c:7731:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
7731 | int sched_group_set_shares(struct task_group *tg, unsigned long shares)
| ^
| static
22 warnings and 10 errors generated.
vim +/hrtick_start +4421 kernel/sched/alt_core.c
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4399
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4400 static inline struct task_struct *
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4401 choose_next_task(struct rq *rq, int cpu, struct task_struct *prev)
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4402 {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4403 struct task_struct *next;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4404
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4405 if (unlikely(rq->skip)) {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4406 next = rq_runnable_task(rq);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4407 if (next == rq->idle) {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4408 #ifdef CONFIG_SMP
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4409 if (!take_other_rq_tasks(rq, cpu)) {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4410 #endif
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4411 rq->skip = NULL;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4412 schedstat_inc(rq->sched_goidle);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4413 return next;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4414 #ifdef CONFIG_SMP
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4415 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4416 next = rq_runnable_task(rq);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4417 #endif
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4418 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4419 rq->skip = NULL;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4420 #ifdef CONFIG_HIGH_RES_TIMERS
fbfe8ff6c6b93b Alfred Chen 2019-08-19 @4421 hrtick_start(rq, next->time_slice);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4422 #endif
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4423 return next;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4424 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4425
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4426 next = sched_rq_first_task(rq);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4427 if (next == rq->idle) {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4428 #ifdef CONFIG_SMP
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4429 if (!take_other_rq_tasks(rq, cpu)) {
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4430 #endif
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4431 schedstat_inc(rq->sched_goidle);
c05e232dfa21b5 Alfred Chen 2020-08-09 4432 /*printk(KERN_INFO "sched: choose_next_task(%d) idle %px\n", cpu, next);*/
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4433 return next;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4434 #ifdef CONFIG_SMP
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4435 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4436 next = sched_rq_first_task(rq);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4437 #endif
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4438 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4439 #ifdef CONFIG_HIGH_RES_TIMERS
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4440 hrtick_start(rq, next->time_slice);
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4441 #endif
c05e232dfa21b5 Alfred Chen 2020-08-09 4442 /*printk(KERN_INFO "sched: choose_next_task(%d) next %px\n", cpu,
c05e232dfa21b5 Alfred Chen 2020-08-09 4443 * next);*/
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4444 return next;
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4445 }
fbfe8ff6c6b93b Alfred Chen 2019-08-19 4446
:::::: The code at line 4421 was first introduced by commit
:::::: fbfe8ff6c6b93b06975504d6aed3ebf3c0a6c25a Project C v5.7.5-r2
:::::: TO: Alfred Chen <cchalpha@gmail.com>
:::::: CC: Alfred Chen <cchalpha@gmail.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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