* [qais-yousef:sched-setscheduler-hide 9/9] include/linux/kthread.h:28:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function
@ 2023-08-26 10:29 kernel test robot
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From: kernel test robot @ 2023-08-26 10:29 UTC (permalink / raw)
To: Qais Yousef; +Cc: llvm, oe-kbuild-all
tree: https://github.com/qais-yousef/linux sched-setscheduler-hide
head: e586c67baa1c537a793f135e324cc56df2b6585b
commit: e586c67baa1c537a793f135e324cc56df2b6585b [9/9] kthread: Provide a mechanism to control kthread sched_attr
config: i386-randconfig-r022-20230826 (https://download.01.org/0day-ci/archive/20230826/202308261806.y6VTMxtP-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230826/202308261806.y6VTMxtP-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/202308261806.y6VTMxtP-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from kernel/trace/preemptirq_delay_test.c:14:
>> include/linux/kthread.h:28:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_policy(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:29:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_policy(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:32:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_nice(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:33:60: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_nice(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:36:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_priority(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:37:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_priority(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:40:66: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_runtime(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:41:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_runtime(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:44:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_deadline(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:45:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_deadline(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:48:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_period(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:49:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_period(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:52:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_min(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:53:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_min(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:56:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_max(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:57:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_max(char *buffer, const struct kernel_param *kp);
^
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
task = kthread_run(preemptirq_delay_run, NULL, task_name);
^
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
>> kernel/trace/preemptirq_delay_test.c:155:50: error: expected ';' at end of declaration
16 warnings and 8 errors generated.
--
In file included from kernel/trace/trace_events.c:17:
>> include/linux/kthread.h:28:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_policy(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:29:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_policy(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:32:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_nice(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:33:60: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_nice(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:36:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_priority(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:37:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_priority(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:40:66: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_runtime(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:41:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_runtime(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:44:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_deadline(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:45:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_deadline(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:48:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_period(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:49:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_period(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:52:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_min(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:53:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_min(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:56:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_max(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:57:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_max(char *buffer, const struct kernel_param *kp);
^
16 warnings generated.
--
In file included from drivers/gpu/drm/scheduler/sched_main.c:51:
>> include/linux/kthread.h:28:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_policy(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:29:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_policy(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:32:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_nice(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:33:60: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_nice(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:36:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_priority(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:37:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_priority(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:40:66: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_runtime(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:41:63: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_runtime(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:44:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_deadline(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:45:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_deadline(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:48:65: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_period(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:49:62: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_period(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:52:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_min(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:53:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_min(char *buffer, const struct kernel_param *kp);
^
include/linux/kthread.h:56:67: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_set_sched_util_max(const char *val, const struct kernel_param *kp);
^
include/linux/kthread.h:57:64: warning: declaration of 'struct kernel_param' will not be visible outside of this function [-Wvisibility]
extern int param_get_sched_util_max(char *buffer, const struct kernel_param *kp);
^
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
sched->thread = kthread_run(drm_sched_main, sched, sched->name);
^
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
>> drivers/gpu/drm/scheduler/sched_main.c:1113:53: error: expected ';' at end of declaration
16 warnings and 8 errors generated.
vim +28 include/linux/kthread.h
7
8 #define ___kthread_param(name, type, attr, perm) do { \
9 static type attr; \
10 __module_param_call("kthread." name ".", attr , ¶m_ops_##attr, &attr, perm, -1, 0); \
11 } while(0)
12
13 #define __kthread_param(name, type, attr) \
14 ___kthread_param(name, type, attr, 0644) \
15
16 #define kthread_param(name) do { \
17 __kthread_param(name, unsigned long, sched_policy); \
18 __kthread_param(name, long, sched_nice); \
19 __kthread_param(name, unsigned long, sched_priority); \
20 __kthread_param(name, unsigned long long, sched_runtime); \
21 __kthread_param(name, unsigned long long, sched_deadline); \
22 __kthread_param(name, unsigned long long, sched_period); \
23 __kthread_param(name, unsigned long, sched_util_min); \
24 __kthread_param(name, unsigned long, sched_util_max); \
25 } while (0)
26
27 extern const struct kernel_param_ops param_ops_sched_policy;
> 28 extern int param_set_sched_policy(const char *val, const struct kernel_param *kp);
29 extern int param_get_sched_policy(char *buffer, const struct kernel_param *kp);
30
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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