From: kernel test robot <lkp@intel.com>
To: "Mukesh Kumar Chaurasiya (IBM)" <mkchauras@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michal Suchánek " <msuchanek@suse.de>
Subject: [powerpc:fixes-test 12/12] arch/powerpc/include/asm/ptrace.h:245:23: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations
Date: Sat, 11 Jul 2026 11:12:13 +0800 [thread overview]
Message-ID: <202607111027.VbonWf7Z-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git fixes-test
head: afc2830892a128a13a65f677271a0a48aeb61b5e
commit: afc2830892a128a13a65f677271a0a48aeb61b5e [12/12] powerpc/syscall: Fix syscall skip handling for seccomp and ptrace
config: powerpc-randconfig-r112-20260711 (https://download.01.org/0day-ci/archive/20260711/202607111027.VbonWf7Z-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260711/202607111027.VbonWf7Z-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/202607111027.VbonWf7Z-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:5:
In file included from include/linux/user.h:1:
In file included from arch/powerpc/include/asm/user.h:5:
>> arch/powerpc/include/asm/ptrace.h:245:23: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
245 | regs->entry_flags |= SYSCALL_ENTRY_RET_SET;
| ^
arch/powerpc/include/asm/ptrace.h:241:31: note: expanded from macro 'SYSCALL_ENTRY_RET_SET'
241 | #define SYSCALL_ENTRY_RET_SET BIT(0)
| ^
arch/powerpc/include/asm/ptrace.h:250:36: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
250 | bool set = !!(regs->entry_flags & SYSCALL_ENTRY_RET_SET);
| ^
arch/powerpc/include/asm/ptrace.h:241:31: note: expanded from macro 'SYSCALL_ENTRY_RET_SET'
241 | #define SYSCALL_ENTRY_RET_SET BIT(0)
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:157:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:8: note: expanded from macro '_SIG_SET_BINOP'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:157:1: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:24: note: expanded from macro '_SIG_SET_BINOP'
vim +/BIT +245 arch/powerpc/include/asm/ptrace.h
242
243 static inline void set_syscall_entry_ret(struct pt_regs *regs)
244 {
> 245 regs->entry_flags |= SYSCALL_ENTRY_RET_SET;
246 }
247
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-07-11 3:12 UTC|newest]
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