From: kernel test robot <lkp@intel.com>
To: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>
Subject: [powerpc:fixes-test 10/12] include/linux/static_call.h:223:9: warning: data definition has no type or storage class
Date: Sat, 11 Jul 2026 09:52:50 +0800 [thread overview]
Message-ID: <202607110847.u4TL0RJC-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git fixes-test
head: afc2830892a128a13a65f677271a0a48aeb61b5e
commit: 4747e17fe063720a30b1c0075bae3e8f8acd26f4 [10/12] powerpc/32: Use HAVE_PREEMPT_DYNAMIC_CALL instead of HAVE_PREEMPT_DYNAMIC_KEY
config: powerpc-randconfig-001-20260711 (https://download.01.org/0day-ci/archive/20260711/202607110847.u4TL0RJC-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260711/202607110847.u4TL0RJC-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/202607110847.u4TL0RJC-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/tracepoint.h:22,
from include/trace/syscall.h:5,
from include/linux/syscalls.h:95,
from include/linux/syscalls_api.h:1,
from kernel/sched/core.c:16:
>> include/linux/static_call.h:223:9: warning: data definition has no type or storage class
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7449:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7449 | EXPORT_STATIC_CALL_TRAMP(preempt_schedule);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:223:9: error: type defaults to 'int' in declaration of 'ARCH_ADD_TRAMP_KEY' [-Werror=implicit-int]
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7449:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7449 | EXPORT_STATIC_CALL_TRAMP(preempt_schedule);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/core.c:7449:1: warning: parameter names (without types) in function declaration
In file included from include/linux/tracepoint.h:22,
from include/trace/syscall.h:5,
from include/linux/syscalls.h:95,
from include/linux/syscalls_api.h:1,
from kernel/sched/core.c:16:
>> include/linux/static_call.h:223:9: warning: data definition has no type or storage class
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7522:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7522 | EXPORT_STATIC_CALL_TRAMP(preempt_schedule_notrace);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:223:9: error: type defaults to 'int' in declaration of 'ARCH_ADD_TRAMP_KEY' [-Werror=implicit-int]
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7522:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7522 | EXPORT_STATIC_CALL_TRAMP(preempt_schedule_notrace);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7522:1: warning: parameter names (without types) in function declaration
In file included from include/linux/tracepoint.h:22,
from include/trace/syscall.h:5,
from include/linux/syscalls.h:95,
from include/linux/syscalls_api.h:1,
from kernel/sched/core.c:16:
>> include/linux/static_call.h:223:9: warning: data definition has no type or storage class
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7769:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7769 | EXPORT_STATIC_CALL_TRAMP(cond_resched);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:223:9: error: type defaults to 'int' in declaration of 'ARCH_ADD_TRAMP_KEY' [-Werror=implicit-int]
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7769:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7769 | EXPORT_STATIC_CALL_TRAMP(cond_resched);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7769:1: warning: parameter names (without types) in function declaration
In file included from include/linux/tracepoint.h:22,
from include/trace/syscall.h:5,
from include/linux/syscalls.h:95,
from include/linux/syscalls_api.h:1,
from kernel/sched/core.c:16:
>> include/linux/static_call.h:223:9: warning: data definition has no type or storage class
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7774:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7774 | EXPORT_STATIC_CALL_TRAMP(might_resched);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:223:9: error: type defaults to 'int' in declaration of 'ARCH_ADD_TRAMP_KEY' [-Werror=implicit-int]
223 | ARCH_ADD_TRAMP_KEY(name)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7774:1: note: in expansion of macro 'EXPORT_STATIC_CALL_TRAMP'
7774 | EXPORT_STATIC_CALL_TRAMP(might_resched);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:7774:1: warning: parameter names (without types) in function declaration
cc1: some warnings being treated as errors
vim +223 include/linux/static_call.h
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 212
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 213 #define EXPORT_STATIC_CALL(name) \
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 214 EXPORT_SYMBOL(STATIC_CALL_KEY(name)); \
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 215 EXPORT_SYMBOL(STATIC_CALL_TRAMP(name))
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 216 #define EXPORT_STATIC_CALL_GPL(name) \
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 217 EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 218 EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name))
9183c3f9ed710a8 Josh Poimboeuf 2020-08-18 219
73f44fe19d35963 Josh Poimboeuf 2021-01-27 220 /* Leave the key unexported, so modules can't change static call targets: */
73f44fe19d35963 Josh Poimboeuf 2021-01-27 221 #define EXPORT_STATIC_CALL_TRAMP(name) \
73f44fe19d35963 Josh Poimboeuf 2021-01-27 222 EXPORT_SYMBOL(STATIC_CALL_TRAMP(name)); \
73f44fe19d35963 Josh Poimboeuf 2021-01-27 @223 ARCH_ADD_TRAMP_KEY(name)
73f44fe19d35963 Josh Poimboeuf 2021-01-27 224 #define EXPORT_STATIC_CALL_TRAMP_GPL(name) \
73f44fe19d35963 Josh Poimboeuf 2021-01-27 225 EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name)); \
73f44fe19d35963 Josh Poimboeuf 2021-01-27 226 ARCH_ADD_TRAMP_KEY(name)
73f44fe19d35963 Josh Poimboeuf 2021-01-27 227
:::::: The code at line 223 was first introduced by commit
:::::: 73f44fe19d359635a607e8e8daa0da4001c1cfc2 static_call: Allow module use without exposing static_call_key
:::::: TO: Josh Poimboeuf <jpoimboe@redhat.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-07-11 1:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-11 1:52 kernel test robot [this message]
2026-07-11 7:40 ` [powerpc:fixes-test 10/12] include/linux/static_call.h:223:9: warning: data definition has no type or storage class Christophe Leroy (CS GROUP)
2026-07-11 13:20 ` Shrikanth Hegde
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