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X-CSE-ConnectionGUID: eQsPqhBRSfC1KRR/8vQwQg== X-CSE-MsgGUID: 2xGAfiqxSCKQJOu92hM9LQ== X-IronPort-AV: E=McAfee;i="6800,10657,11891"; a="88402353" X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="88402353" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2026 08:49:51 -0700 X-CSE-ConnectionGUID: es9ozYrKSOWRakWaRCCJHA== X-CSE-MsgGUID: tLKj2Sk+QsqLBp533tnNwQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="266778527" Received: from lkp-server01.sh.intel.com (HELO 3532383e6126) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 30 Aug 2026 08:49:50 -0700 Received: from kbuild by 3532383e6126 with local (Exim 4.98.2) (envelope-from ) id 1x0hn1-00000000E1c-1SsC; Sun, 30 Aug 2026 15:49:47 +0000 Date: Sun, 30 Aug 2026 23:49:39 +0800 From: kernel test robot To: Thomas Gleixner Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [tglx-devel:irqflags 13/20] include/linux/irqflags.h:205:2: error: call to undeclared function 'arch_safe_halt'; ISO C99 and later do not support implicit function declarations Message-ID: <202608302354.u0E8K78u-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git irqflags head: 59394501f5a285ef270931207a67d2f129403151 commit: 882d92b84f9618f000a4de66daeee48df6d81357 [13/20] irqflags: Cleanup wrappers config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260830/202608302354.u0E8K78u-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 52774473867e49b5891ab9381accf4e5a3ce0024) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260830/202608302354.u0E8K78u-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/202608302354.u0E8K78u-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:14: In file included from include/linux/resource_ext.h:11: In file included from include/linux/slab.h:17: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: >> include/linux/irqflags.h:205:2: error: call to undeclared function 'arch_safe_halt'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 205 | arch_safe_halt(); | ^ include/linux/irqflags.h:205:2: note: did you mean 'raw_safe_halt'? include/linux/irqflags.h:203:29: note: 'raw_safe_halt' declared here 203 | static __always_inline void raw_safe_halt(void) | ^ 204 | { 205 | arch_safe_halt(); | ~~~~~~~~~~~~~~ | raw_safe_halt In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 99 | set->sig[1] | set->sig[0]) == 0; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 101 | return (set->sig[1] | set->sig[0]) == 0; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: vim +/arch_safe_halt +205 include/linux/irqflags.h 202 203 static __always_inline void raw_safe_halt(void) 204 { > 205 arch_safe_halt(); 206 } 207 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki