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Message-ID: <202501040657.5tSQad1Y-lkp@intel.com>
Date: Sat, 4 Jan 2025 07:04:38 +0800
From: kernel test robot <lkp@...el.com>
To: Shrikanth Hegde <sshegde@...ux.ibm.com>, mpe@...erman.id.au,
maddy@...ux.ibm.com, linuxppc-dev@...ts.ozlabs.org
Cc: oe-kbuild-all@...ts.linux.dev, sshegde@...ux.ibm.com, npiggin@...il.com,
christophe.leroy@...roup.eu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] powerpc: Enable dynamic preemption
Hi Shrikanth,
kernel test robot noticed the following build errors:
[auto build test ERROR on powerpc/next]
[cannot apply to powerpc/fixes linus/master v6.13-rc5 next-20241220]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Shrikanth-Hegde/powerpc-Enable-dynamic-preemption/20250103-032131
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link: https://lore.kernel.org/r/20250102191856.499424-2-sshegde%40linux.ibm.com
patch subject: [PATCH v2 1/1] powerpc: Enable dynamic preemption
config: powerpc-randconfig-r072-20250104 (https://download.01.org/0day-ci/archive/20250104/202501040657.5tSQad1Y-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 096551537b2a747a3387726ca618ceeb3950e9bc)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250104/202501040657.5tSQad1Y-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501040657.5tSQad1Y-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:11:
In file included from include/linux/preempt.h:79:
>> arch/powerpc/include/asm/preempt.h:8:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
8 | DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
| ^
| int
>> arch/powerpc/include/asm/preempt.h:8:25: error: a parameter list without types is only allowed in a function definition
8 | DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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: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 arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
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: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'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
vim +/int +8 arch/powerpc/include/asm/preempt.h
6
7 #if defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY)
> 8 DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
9 #endif
10
--
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