* [tglx-devel:irqflags 14/22] include/linux/irqflags.h:205:2: error: call to undeclared function 'arch_safe_halt'; ISO C99 and later do not support implicit function declarations
@ 2026-09-05 14:13 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-05 14:13 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git irqflags
head: 60735555f9a14d6c3e0a576e9ea7bcdb883ce747
commit: ca3baf1f465a10907f3cdb979a8c24f3ea6894c1 [14/22] irqflags: Cleanup wrappers
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260905/202609052250.YHjJQHnT-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 0edd1b088cc36b4faee80358c925a91e16006258)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260905/202609052250.YHjJQHnT-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/202609052250.YHjJQHnT-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:7:
In file included from include/linux/rhashtable-types.h:12:
In file included from include/linux/alloc_tag.h:16:
>> 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/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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[2]') [-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/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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[2]') [-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/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->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/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->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/hexagon/kernel/asm-offsets.c:13:
In file included from include/linux/compat.h:17:
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:
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
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2026-09-05 14:13 [tglx-devel:irqflags 14/22] include/linux/irqflags.h:205:2: error: call to undeclared function 'arch_safe_halt'; ISO C99 and later do not support implicit function declarations kernel test robot
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