[rt-devel:linux-5.19.y-rt-rebase 9/51] kernel/sched/core.c:3058:1: warning: '__sched_setaffinity' used but never defined
From: kernel test robot
Date: Wed Jul 20 2022 - 01:45:18 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.19.y-rt-rebase
head: 398bbc77845fdc2ffca4a523eeadd5707338b0d3
commit: 088b0c2db600fb1a2b5687a9a4d1a069a624eee7 [9/51] sched: Consider task_struct::saved_state in wait_task_inactive().
config: s390-randconfig-r044-20220718 (https://download.01.org/0day-ci/archive/20220720/202207201330.PNv5wnSX-lkp@xxxxxxxxx/config)
compiler: s390-linux-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=088b0c2db600fb1a2b5687a9a4d1a069a624eee7
git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
git fetch --no-tags rt-devel linux-5.19.y-rt-rebase
git checkout 088b0c2db600fb1a2b5687a9a4d1a069a624eee7
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash kernel/sched/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
kernel/sched/core.c: In function 'wait_task_inactive':
kernel/sched/core.c:11195:2: error: unterminated argument list invoking macro "if"
11195 | }
| ^
kernel/sched/core.c:11196: error: expected '(' at end of input
kernel/sched/core.c:3310:33: note: '-Wmisleading-indentation' is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers
3310 | if (READ_ONCE(p->__state != match_state)
| ^~
kernel/sched/core.c:3310:33: note: adding '-flarge-source-files' will allow for more column-tracking support, at the expense of compilation time and memory
kernel/sched/core.c:3310:33: error: expected declaration or statement at end of input
kernel/sched/core.c:3308:38: warning: unused variable 'mismatch' [-Wunused-variable]
3308 | bool mismatch = false;
| ^~~~~~~~
kernel/sched/core.c:3310:33: error: expected declaration or statement at end of input
3310 | if (READ_ONCE(p->__state != match_state)
| ^~
kernel/sched/core.c:3310:33: error: expected declaration or statement at end of input
kernel/sched/core.c:3310:33: error: expected declaration or statement at end of input
kernel/sched/core.c:3283:14: warning: unused variable 'update_ncsw' [-Wunused-variable]
3283 | bool update_ncsw;
| ^~~~~~~~~~~
kernel/sched/core.c:3282:14: warning: unused variable 'saved_state_match' [-Wunused-variable]
3282 | bool saved_state_match;
| ^~~~~~~~~~~~~~~~~
kernel/sched/core.c:3280:23: warning: unused variable 'ncsw' [-Wunused-variable]
3280 | unsigned long ncsw;
| ^~~~
kernel/sched/core.c:3279:25: warning: unused variable 'rf' [-Wunused-variable]
3279 | struct rq_flags rf;
| ^~
kernel/sched/core.c:3278:22: warning: unused variable 'queued' [-Wunused-variable]
3278 | int running, queued;
| ^~~~~~
kernel/sched/core.c:3278:13: warning: unused variable 'running' [-Wunused-variable]
3278 | int running, queued;
| ^~~~~~~
kernel/sched/core.c: At top level:
>> kernel/sched/core.c:3058:1: warning: '__sched_setaffinity' used but never defined
3058 | __sched_setaffinity(struct task_struct *p, const struct cpumask *mask);
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:2210:13: warning: 'migrate_disable_switch' defined but not used [-Wunused-function]
2210 | static void migrate_disable_switch(struct rq *rq, struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:2142:12: warning: 'effective_prio' defined but not used [-Wunused-function]
2142 | static int effective_prio(struct task_struct *p)
| ^~~~~~~~~~~~~~
kernel/sched/core.c:2030:13: warning: '__setscheduler_uclamp' defined but not used [-Wunused-function]
2030 | static void __setscheduler_uclamp(struct task_struct *p,
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:1272:13: warning: 'set_load_weight' defined but not used [-Wunused-function]
1272 | static void set_load_weight(struct task_struct *p, bool update_load)
| ^~~~~~~~~~~~~~~
kernel/sched/core.c:1165:13: warning: 'nohz_csd_func' defined but not used [-Wunused-function]
1165 | static void nohz_csd_func(void *info)
| ^~~~~~~~~~~~~
kernel/sched/core.c:931:13: warning: 'set_nr_if_polling' defined but not used [-Wunused-function]
931 | static bool set_nr_if_polling(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~
kernel/sched/core.c:851:13: warning: 'hrtick_rq_init' defined but not used [-Wunused-function]
851 | static void hrtick_rq_init(struct rq *rq)
| ^~~~~~~~~~~~~~
kernel/sched/core.c:761:13: warning: 'hrtick_clear' defined but not used [-Wunused-function]
761 | static void hrtick_clear(struct rq *rq)
| ^~~~~~~~~~~~
kernel/sched/core.c:282:28: warning: 'sched_core_next' defined but not used [-Wunused-function]
282 | static struct task_struct *sched_core_next(struct task_struct *p, unsigned long cookie)
| ^~~~~~~~~~~~~~~
kernel/sched/core.c:268:28: warning: 'sched_core_find' defined but not used [-Wunused-function]
268 | static struct task_struct *sched_core_find(struct rq *rq, unsigned long cookie)
| ^~~~~~~~~~~~~~~
vim +/__sched_setaffinity +3058 kernel/sched/core.c
07ec77a1d4e825 Will Deacon 2021-07-30 3056
07ec77a1d4e825 Will Deacon 2021-07-30 3057 static int
07ec77a1d4e825 Will Deacon 2021-07-30 @3058 __sched_setaffinity(struct task_struct *p, const struct cpumask *mask);
07ec77a1d4e825 Will Deacon 2021-07-30 3059
:::::: The code at line 3058 was first introduced by commit
:::::: 07ec77a1d4e82526e1588979fff2f024f8e96df2 sched: Allow task CPU affinity to be restricted on asymmetric systems
:::::: TO: Will Deacon <will@xxxxxxxxxx>
:::::: CC: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
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