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Date: Tue, 14 Sep 2021 05:06:37 +0800
From: kernel test robot <lkp@...el.com>
To: Frederic Weisbecker <frederic@...nel.org>,
Peter Zijlstra <peterz@...radead.org>
Cc: kbuild-all@...ts.01.org, LKML <linux-kernel@...r.kernel.org>,
Frederic Weisbecker <frederic@...nel.org>,
Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v2] sched: Provide Kconfig support for default dynamic
preempt mode
Hi Frederic,
I love your patch! Yet something to improve:
[auto build test ERROR on tip/master]
[also build test ERROR on tip/sched/core linus/master linux/master v5.15-rc1 next-20210913]
[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/Frederic-Weisbecker/sched-Provide-Kconfig-support-for-default-dynamic-preempt-mode/20210913-191741
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 5448a9e9f16a1b95790df7ef58686331aa3935a6
config: mips-randconfig-r014-20210913 (attached as .config)
compiler: mips64-linux-gcc (GCC) 11.2.0
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://github.com/0day-ci/linux/commit/647b5f90d1328cf6cba7a89c957255a3c38c4e86
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Frederic-Weisbecker/sched-Provide-Kconfig-support-for-default-dynamic-preempt-mode/20210913-191741
git checkout 647b5f90d1328cf6cba7a89c957255a3c38c4e86
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
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 >>):
In file included from include/linux/list.h:9,
from include/linux/smp.h:12,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/compat.h:10,
from arch/mips/kernel/asm-offsets.c:12:
include/linux/kernel.h: In function 'might_resched':
>> include/linux/kernel.h:104:9: error: implicit declaration of function 'static_call_mod'; did you mean 'static_call'? [-Werror=implicit-function-declaration]
104 | static_call_mod(might_resched)();
| ^~~~~~~~~~~~~~~
| static_call
>> include/linux/kernel.h:104:9: error: called object is not a function or function pointer
In file included from include/linux/sched/signal.h:7,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/compat.h:17,
from arch/mips/kernel/asm-offsets.c:12:
include/linux/sched.h: In function '_cond_resched':
>> include/linux/sched.h:2022:32: error: 'cond_resched' undeclared (first use in this function); did you mean '_cond_resched'?
2022 | return static_call_mod(cond_resched)();
| ^~~~~~~~~~~~
| _cond_resched
include/linux/sched.h:2022:32: note: each undeclared identifier is reported only once for each function it appears in
arch/mips/kernel/asm-offsets.c: At top level:
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
26 | void output_ptreg_defines(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
78 | void output_task_defines(void)
| ^~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
92 | void output_thread_info_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
108 | void output_thread_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
136 | void output_thread_fpu_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
179 | void output_mm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:240:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
240 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
253 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:320:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
320 | void output_pbe_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:332:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
332 | void output_pm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:346:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
346 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/list.h:9,
from include/linux/smp.h:12,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/compat.h:10,
from arch/mips/kernel/asm-offsets.c:12:
include/linux/kernel.h: In function 'might_resched':
>> include/linux/kernel.h:104:9: error: implicit declaration of function 'static_call_mod'; did you mean 'static_call'? [-Werror=implicit-function-declaration]
104 | static_call_mod(might_resched)();
| ^~~~~~~~~~~~~~~
| static_call
>> include/linux/kernel.h:104:9: error: called object is not a function or function pointer
In file included from include/linux/sched/signal.h:7,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/compat.h:17,
from arch/mips/kernel/asm-offsets.c:12:
include/linux/sched.h: In function '_cond_resched':
>> include/linux/sched.h:2022:32: error: 'cond_resched' undeclared (first use in this function); did you mean '_cond_resched'?
2022 | return static_call_mod(cond_resched)();
| ^~~~~~~~~~~~
| _cond_resched
include/linux/sched.h:2022:32: note: each undeclared identifier is reported only once for each function it appears in
arch/mips/kernel/asm-offsets.c: At top level:
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
26 | void output_ptreg_defines(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
78 | void output_task_defines(void)
| ^~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
92 | void output_thread_info_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
108 | void output_thread_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
136 | void output_thread_fpu_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
179 | void output_mm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:240:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
240 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
253 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:320:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
320 | void output_pbe_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:332:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
332 | void output_pm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:346:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
346 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:121: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1225: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +104 include/linux/kernel.h
b965f1ddb47daa Peter Zijlstra (Intel 2021-01-18 101)
b965f1ddb47daa Peter Zijlstra (Intel 2021-01-18 102) static __always_inline void might_resched(void)
b965f1ddb47daa Peter Zijlstra (Intel 2021-01-18 103) {
ef72661e28c64a Peter Zijlstra 2021-01-25 @104 static_call_mod(might_resched)();
b965f1ddb47daa Peter Zijlstra (Intel 2021-01-18 105) }
b965f1ddb47daa Peter Zijlstra (Intel 2021-01-18 106)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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