* [ammarfaizi2-block:paulmck/linux-rcu/dev 53/55] include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'?
@ 2022-05-19 2:42 kernel test robot
2022-05-19 3:55 ` Paul E. McKenney
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2022-05-19 2:42 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: kbuild-all, GNU/Weeb Mailing List, linux-kernel
tree: https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev
head: b2a7e376a9dcfa2de46236696dfdd48275edf63d
commit: 840470b0e655a13aae153f3b46d1e02fadf5c06a [53/55] fixup! tasks-rcu: Track blocked RCU Tasks Trace readers
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220519/[email protected]/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://github.com/ammarfaizi2/linux-block/commit/840470b0e655a13aae153f3b46d1e02fadf5c06a
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev
git checkout 840470b0e655a13aae153f3b46d1e02fadf5c06a
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
kernel/sched/core.c:5235:20: warning: no previous prototype for 'task_sched_runtime' [-Wmissing-prototypes]
5235 | unsigned long long task_sched_runtime(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:11,
from include/linux/dcache.h:8,
from include/linux/fs.h:8,
from include/linux/highmem.h:5,
from kernel/sched/core.c:9:
kernel/sched/core.c: In function '__schedule':
>> include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'? [-Werror=implicit-function-declaration]
207 | #define rcu_tasks_qs(t, preempt) rcu_tasks_trace_qs(t);
| ^~~~~~~~~~~~~~~~~~
include/linux/rcutiny.h:74:17: note: in expansion of macro 'rcu_tasks_qs'
74 | rcu_tasks_qs(current, (preempt)); \
| ^~~~~~~~~~~~
kernel/sched/core.c:6279:9: note: in expansion of macro 'rcu_note_context_switch'
6279 | rcu_note_context_switch(!!sched_mode);
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: At top level:
kernel/sched/core.c:9432:13: warning: no previous prototype for 'sched_init_smp' [-Wmissing-prototypes]
9432 | void __init sched_init_smp(void)
| ^~~~~~~~~~~~~~
kernel/sched/core.c:9460:13: warning: no previous prototype for 'sched_init' [-Wmissing-prototypes]
9460 | void __init sched_init(void)
| ^~~~~~~~~~
cc1: some warnings being treated as errors
vim +207 include/linux/rcupdate.h
201
202 #define rcu_note_voluntary_context_switch(t) rcu_tasks_qs(t, false)
203 void exit_tasks_rcu_start(void);
204 void exit_tasks_rcu_finish(void);
205 #else /* #ifdef CONFIG_TASKS_RCU_GENERIC */
206 #define rcu_tasks_classic_qs(t, preempt) do { } while (0)
> 207 #define rcu_tasks_qs(t, preempt) rcu_tasks_trace_qs(t);
208 #define rcu_note_voluntary_context_switch(t) do { } while (0)
209 #define call_rcu_tasks call_rcu
210 #define synchronize_rcu_tasks synchronize_rcu
211 static inline void exit_tasks_rcu_start(void) { }
212 static inline void exit_tasks_rcu_finish(void) { }
213 #endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */
214
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ammarfaizi2-block:paulmck/linux-rcu/dev 53/55] include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'?
2022-05-19 2:42 [ammarfaizi2-block:paulmck/linux-rcu/dev 53/55] include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'? kernel test robot
@ 2022-05-19 3:55 ` Paul E. McKenney
0 siblings, 0 replies; 2+ messages in thread
From: Paul E. McKenney @ 2022-05-19 3:55 UTC (permalink / raw)
To: kernel test robot; +Cc: kbuild-all, GNU/Weeb Mailing List, linux-kernel
On Thu, May 19, 2022 at 10:42:19AM +0800, kernel test robot wrote:
> tree: https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev
> head: b2a7e376a9dcfa2de46236696dfdd48275edf63d
> commit: 840470b0e655a13aae153f3b46d1e02fadf5c06a [53/55] fixup! tasks-rcu: Track blocked RCU Tasks Trace readers
> config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220519/[email protected]/config)
> compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
> reproduce (this is a W=1 build):
> # https://github.com/ammarfaizi2/linux-block/commit/840470b0e655a13aae153f3b46d1e02fadf5c06a
> git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
> git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev
> git checkout 840470b0e655a13aae153f3b46d1e02fadf5c06a
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <[email protected]>
Good catch, fix is not on -rcu and will be folded into the original
with attribution.
Thanx, Paul
> All errors (new ones prefixed by >>):
>
> kernel/sched/core.c:5235:20: warning: no previous prototype for 'task_sched_runtime' [-Wmissing-prototypes]
> 5235 | unsigned long long task_sched_runtime(struct task_struct *p)
> | ^~~~~~~~~~~~~~~~~~
> In file included from include/linux/rculist.h:11,
> from include/linux/dcache.h:8,
> from include/linux/fs.h:8,
> from include/linux/highmem.h:5,
> from kernel/sched/core.c:9:
> kernel/sched/core.c: In function '__schedule':
> >> include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'? [-Werror=implicit-function-declaration]
> 207 | #define rcu_tasks_qs(t, preempt) rcu_tasks_trace_qs(t);
> | ^~~~~~~~~~~~~~~~~~
> include/linux/rcutiny.h:74:17: note: in expansion of macro 'rcu_tasks_qs'
> 74 | rcu_tasks_qs(current, (preempt)); \
> | ^~~~~~~~~~~~
> kernel/sched/core.c:6279:9: note: in expansion of macro 'rcu_note_context_switch'
> 6279 | rcu_note_context_switch(!!sched_mode);
> | ^~~~~~~~~~~~~~~~~~~~~~~
> kernel/sched/core.c: At top level:
> kernel/sched/core.c:9432:13: warning: no previous prototype for 'sched_init_smp' [-Wmissing-prototypes]
> 9432 | void __init sched_init_smp(void)
> | ^~~~~~~~~~~~~~
> kernel/sched/core.c:9460:13: warning: no previous prototype for 'sched_init' [-Wmissing-prototypes]
> 9460 | void __init sched_init(void)
> | ^~~~~~~~~~
> cc1: some warnings being treated as errors
>
>
> vim +207 include/linux/rcupdate.h
>
> 201
> 202 #define rcu_note_voluntary_context_switch(t) rcu_tasks_qs(t, false)
> 203 void exit_tasks_rcu_start(void);
> 204 void exit_tasks_rcu_finish(void);
> 205 #else /* #ifdef CONFIG_TASKS_RCU_GENERIC */
> 206 #define rcu_tasks_classic_qs(t, preempt) do { } while (0)
> > 207 #define rcu_tasks_qs(t, preempt) rcu_tasks_trace_qs(t);
> 208 #define rcu_note_voluntary_context_switch(t) do { } while (0)
> 209 #define call_rcu_tasks call_rcu
> 210 #define synchronize_rcu_tasks synchronize_rcu
> 211 static inline void exit_tasks_rcu_start(void) { }
> 212 static inline void exit_tasks_rcu_finish(void) { }
> 213 #endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */
> 214
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp
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2022-05-19 2:42 [ammarfaizi2-block:paulmck/linux-rcu/dev 53/55] include/linux/rcupdate.h:207:34: error: implicit declaration of function 'rcu_tasks_trace_qs'; did you mean 'rcu_tasks_classic_qs'? kernel test robot
2022-05-19 3:55 ` Paul E. McKenney
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