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X-CSE-ConnectionGUID: zFowSBgsR3ySYcPB1udFVg== X-CSE-MsgGUID: OBYRXK2bSTO/2vFhmrqjVQ== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="71956491" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="71956491" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2026 18:53:41 -0700 X-CSE-ConnectionGUID: uLB3+yjaTvKR1wLSLP/A+A== X-CSE-MsgGUID: dHg1WxDZQ9yZ2AnDWwcZrg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="259929405" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa005.fm.intel.com with ESMTP; 10 Jul 2026 18:53:39 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wiMuO-00000000JcI-1v6c; Sat, 11 Jul 2026 01:53:36 +0000 Date: Sat, 11 Jul 2026 09:52:50 +0800 From: kernel test robot To: "Christophe Leroy (CS GROUP)" Cc: oe-kbuild-all@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, Madhavan Srinivasan , Shrikanth Hegde Subject: [powerpc:fixes-test 10/12] include/linux/static_call.h:223:9: warning: data definition has no type or storage class Message-ID: <202607110847.u4TL0RJC-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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 | 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 :::::: CC: Ingo Molnar -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki