From: kernel test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Subject: arch/x86/include/asm/timex.h:10:7: error: call to undeclared function 'DISABLED_MASK_BIT_SET'; ISO C99 and later do not support implicit function declarations
Date: Fri, 21 Aug 2026 04:49:41 +0800 [thread overview]
Message-ID: <202608210426.fkFfnASG-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cb8a75eec0877810b50aa1c5a833f929525cd2ee
commit: 3ed403bbc967a3138b8e37566510e9b062751372 treewide: Remove CLOCK_TICK_RATE
date: 5 weeks ago
config: um-randconfig-r053-20260820 (https://download.01.org/0day-ci/archive/20260821/202608210426.fkFfnASG-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 935bfc708590c60147a79c7df145bb6e68b1d388)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/202608210426.fkFfnASG-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
| Fixes: 3ed403bbc967 ("treewide: Remove CLOCK_TICK_RATE")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608210426.fkFfnASG-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/um/kernel/asm-offsets.c:6:
In file included from include/linux/crypto.h:18:
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:22:
In file included from include/linux/mm_types.h:16:
In file included from include/linux/uprobes.h:18:
In file included from include/linux/timer.h:6:
In file included from include/linux/ktime.h:25:
In file included from include/linux/jiffies.h:10:
In file included from include/linux/time.h:60:
In file included from include/linux/time32.h:13:
In file included from include/linux/timex.h:67:
In file included from arch/x86/include/asm/timex.h:6:
arch/x86/include/asm/tsc.h:79:7: error: call to undeclared function 'DISABLED_MASK_BIT_SET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
79 | if (!cpu_feature_enabled(X86_FEATURE_TSC))
| ^
arch/um/include/asm/cpufeature.h:52:32: note: expanded from macro 'cpu_feature_enabled'
52 | (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit))
| ^
In file included from arch/um/kernel/asm-offsets.c:6:
In file included from include/linux/crypto.h:18:
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:22:
In file included from include/linux/mm_types.h:16:
In file included from include/linux/uprobes.h:18:
In file included from include/linux/timer.h:6:
In file included from include/linux/ktime.h:25:
In file included from include/linux/jiffies.h:10:
In file included from include/linux/time.h:60:
In file included from include/linux/time32.h:13:
In file included from include/linux/timex.h:67:
>> arch/x86/include/asm/timex.h:10:7: error: call to undeclared function 'DISABLED_MASK_BIT_SET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
10 | if (!cpu_feature_enabled(X86_FEATURE_TSC))
| ^
arch/um/include/asm/cpufeature.h:52:32: note: expanded from macro 'cpu_feature_enabled'
52 | (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit))
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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[1]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
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[1]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:116:5: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
116 | (set1->sig[1] == set2->sig[1]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/um/kernel/asm-offsets.c:8:
In file included from include/linux/audit.h:13:
In file included from include/linux/ptrace.h:7:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:116:21: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
vim +/DISABLED_MASK_BIT_SET +10 arch/x86/include/asm/timex.h
2f0798a3b1c215 include/asm-x86/timex.h Thomas Gleixner 2007-10-12 7
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 8 static inline unsigned long random_get_entropy(void)
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 9 {
5c75b98aa9cd5b arch/x86/include/asm/timex.h Ingo Molnar 2026-04-27 @10 if (!cpu_feature_enabled(X86_FEATURE_TSC))
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 11 return random_get_entropy_fallback();
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 12 return rdtsc();
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 13 }
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 14 #define random_get_entropy random_get_entropy
3bd4abc07a267e arch/x86/include/asm/timex.h Jason A. Donenfeld 2022-04-08 15
:::::: The code at line 10 was first introduced by commit
:::::: 5c75b98aa9cd5b1725b76999d794dc72ebd7a54a x86/cpu: Remove unused !CONFIG_X86_TSC code
:::::: TO: Ingo Molnar <mingo@kernel.org>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-08-20 20:50 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202608210426.fkFfnASG-lkp@intel.com \
--to=lkp@intel.com \
--cc=chleroy@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=tglx@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox