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Date: Sat, 6 Nov 2021 15:58:05 +0800
From: kernel test robot <lkp@...el.com>
To: Valentin Schneider <valentin.schneider@....com>,
linux-kernel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [PATCH] sched: Tweak default dynamic preempt mode selection
Hi Valentin,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/master]
[also build test ERROR on linus/master next-20211106]
[cannot apply to linux/master v5.15]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ea79c24a30aa27ccc4aac26be33f8b73f3f1f59c
config: x86_64-defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/4731291127aa2100c984229a91533b671044a74b
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135
git checkout 4731291127aa2100c984229a91533b671044a74b
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
kernel/sched/core.c:3439:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
3439 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^~~~~~~~~~~~~~~~~~~
In file included from <command-line>:
kernel/sched/core.c: In function 'sched_dynamic_update':
>> include/linux/static_call_types.h:15:34: error: '__SCT__might_resched' undeclared (first use in this function); did you mean '__SCT__cond_resched'?
15 | #define STATIC_CALL_TRAMP_PREFIX __SCT__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:18:34: note: in expansion of macro '__PASTE'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:18:42: note: in expansion of macro 'STATIC_CALL_TRAMP_PREFIX'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:154:10: note: in expansion of macro 'STATIC_CALL_TRAMP'
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^~~~~~~~~~~~~~~~~
kernel/sched/core.c:6575:2: note: in expansion of macro 'static_call_update'
6575 | static_call_update(might_resched, __cond_resched);
| ^~~~~~~~~~~~~~~~~~
include/linux/static_call_types.h:15:34: note: each undeclared identifier is reported only once for each function it appears in
15 | #define STATIC_CALL_TRAMP_PREFIX __SCT__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:18:34: note: in expansion of macro '__PASTE'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:18:42: note: in expansion of macro 'STATIC_CALL_TRAMP_PREFIX'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:154:10: note: in expansion of macro 'STATIC_CALL_TRAMP'
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^~~~~~~~~~~~~~~~~
kernel/sched/core.c:6575:2: note: in expansion of macro 'static_call_update'
6575 | static_call_update(might_resched, __cond_resched);
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/tracepoint.h:22,
from include/trace/events/sched.h:10,
from kernel/sched/core.c:10:
include/linux/static_call.h:154:41: warning: initialization of 'int' from 'int (*)(void)' makes integer from pointer without a cast [-Wint-conversion]
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^
kernel/sched/core.c:6575:2: note: in expansion of macro 'static_call_update'
6575 | static_call_update(might_resched, __cond_resched);
| ^~~~~~~~~~~~~~~~~~
In file included from <command-line>:
>> include/linux/static_call_types.h:9:33: error: '__SCK__might_resched' undeclared (first use in this function); did you mean '__SCK__cond_resched'?
9 | #define STATIC_CALL_KEY_PREFIX __SCK__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:12:32: note: in expansion of macro '__PASTE'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:12:40: note: in expansion of macro 'STATIC_CALL_KEY_PREFIX'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:155:24: note: in expansion of macro 'STATIC_CALL_KEY'
155 | __static_call_update(&STATIC_CALL_KEY(name), \
| ^~~~~~~~~~~~~~~
kernel/sched/core.c:6575:2: note: in expansion of macro 'static_call_update'
6575 | static_call_update(might_resched, __cond_resched);
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/tracepoint.h:22,
from include/trace/events/sched.h:10,
from kernel/sched/core.c:10:
include/linux/static_call.h:156:39: warning: passing argument 3 of '__static_call_update' makes pointer from integer without a cast [-Wint-conversion]
156 | STATIC_CALL_TRAMP_ADDR(name), __F); \
| ^~~
| |
| int
kernel/sched/core.c:6575:2: note: in expansion of macro 'static_call_update'
6575 | static_call_update(might_resched, __cond_resched);
| ^~~~~~~~~~~~~~~~~~
include/linux/static_call.h:177:82: note: expected 'void *' but argument is of type 'int'
177 | extern void __static_call_update(struct static_call_key *key, void *tramp, void *func);
| ~~~~~~^~~~
In file included from <command-line>:
include/linux/static_call_types.h:15:34: error: '__SCT__preempt_schedule' undeclared (first use in this function)
15 | #define STATIC_CALL_TRAMP_PREFIX __SCT__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:18:34: note: in expansion of macro '__PASTE'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:18:42: note: in expansion of macro 'STATIC_CALL_TRAMP_PREFIX'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:154:10: note: in expansion of macro 'STATIC_CALL_TRAMP'
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^~~~~~~~~~~~~~~~~
kernel/sched/core.c:6576:2: note: in expansion of macro 'static_call_update'
6576 | static_call_update(preempt_schedule, __preempt_schedule_func);
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/tracepoint.h:22,
from include/trace/events/sched.h:10,
from kernel/sched/core.c:10:
kernel/sched/core.c:6576:39: error: '__preempt_schedule_func' undeclared (first use in this function); did you mean 'preempt_schedule_irq'?
6576 | static_call_update(preempt_schedule, __preempt_schedule_func);
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:154:42: note: in definition of macro 'static_call_update'
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^~~~
In file included from <command-line>:
include/linux/static_call_types.h:9:33: error: '__SCK__preempt_schedule' undeclared (first use in this function)
9 | #define STATIC_CALL_KEY_PREFIX __SCK__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:12:32: note: in expansion of macro '__PASTE'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:12:40: note: in expansion of macro 'STATIC_CALL_KEY_PREFIX'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:155:24: note: in expansion of macro 'STATIC_CALL_KEY'
155 | __static_call_update(&STATIC_CALL_KEY(name), \
| ^~~~~~~~~~~~~~~
kernel/sched/core.c:6576:2: note: in expansion of macro 'static_call_update'
6576 | static_call_update(preempt_schedule, __preempt_schedule_func);
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/tracepoint.h:22,
from include/trace/events/sched.h:10,
from kernel/sched/core.c:10:
include/linux/static_call.h:156:39: warning: passing argument 3 of '__static_call_update' makes pointer from integer without a cast [-Wint-conversion]
156 | STATIC_CALL_TRAMP_ADDR(name), __F); \
| ^~~
| |
| int
kernel/sched/core.c:6576:2: note: in expansion of macro 'static_call_update'
6576 | static_call_update(preempt_schedule, __preempt_schedule_func);
| ^~~~~~~~~~~~~~~~~~
include/linux/static_call.h:177:82: note: expected 'void *' but argument is of type 'int'
177 | extern void __static_call_update(struct static_call_key *key, void *tramp, void *func);
| ~~~~~~^~~~
In file included from <command-line>:
include/linux/static_call_types.h:15:34: error: '__SCT__preempt_schedule_notrace' undeclared (first use in this function)
15 | #define STATIC_CALL_TRAMP_PREFIX __SCT__
| ^~~~~~~
include/linux/compiler_types.h:59:23: note: in definition of macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
include/linux/static_call_types.h:18:34: note: in expansion of macro '__PASTE'
vim +15 include/linux/static_call_types.h
115284d89a436e Josh Poimboeuf 2020-08-18 8
115284d89a436e Josh Poimboeuf 2020-08-18 @9 #define STATIC_CALL_KEY_PREFIX __SCK__
9183c3f9ed710a Josh Poimboeuf 2020-08-18 10 #define STATIC_CALL_KEY_PREFIX_STR __stringify(STATIC_CALL_KEY_PREFIX)
9183c3f9ed710a Josh Poimboeuf 2020-08-18 11 #define STATIC_CALL_KEY_PREFIX_LEN (sizeof(STATIC_CALL_KEY_PREFIX_STR) - 1)
115284d89a436e Josh Poimboeuf 2020-08-18 12 #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
73f44fe19d3596 Josh Poimboeuf 2021-01-27 13 #define STATIC_CALL_KEY_STR(name) __stringify(STATIC_CALL_KEY(name))
115284d89a436e Josh Poimboeuf 2020-08-18 14
115284d89a436e Josh Poimboeuf 2020-08-18 @15 #define STATIC_CALL_TRAMP_PREFIX __SCT__
115284d89a436e Josh Poimboeuf 2020-08-18 16 #define STATIC_CALL_TRAMP_PREFIX_STR __stringify(STATIC_CALL_TRAMP_PREFIX)
9183c3f9ed710a Josh Poimboeuf 2020-08-18 17 #define STATIC_CALL_TRAMP_PREFIX_LEN (sizeof(STATIC_CALL_TRAMP_PREFIX_STR) - 1)
115284d89a436e Josh Poimboeuf 2020-08-18 18 #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
115284d89a436e Josh Poimboeuf 2020-08-18 19 #define STATIC_CALL_TRAMP_STR(name) __stringify(STATIC_CALL_TRAMP(name))
115284d89a436e Josh Poimboeuf 2020-08-18 20
---
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https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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