From: kernel test robot <lkp@intel.com>
To: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Palmer Dabbelt <palmer@rivosinc.com>
Subject: [palmer:for-next 2/8] include/linux/pgtable.h:302:29: error: function cannot return array type 'pgd_t' (aka 'unsigned int[2]')
Date: Thu, 7 Dec 2023 06:37:26 +0800 [thread overview]
Message-ID: <202312070639.zaV2SHvs-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git for-next
head: f95bc0e118cb852a3419f92be510be7356688632
commit: b9f2de9b90f016ce08fdaa3cba88a806dcbfd604 [2/8] mm: Introduce pudp/p4dp/pgdp_get() functions
config: arm-defconfig (https://download.01.org/0day-ci/archive/20231207/202312070639.zaV2SHvs-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231207/202312070639.zaV2SHvs-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/202312070639.zaV2SHvs-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:29:
>> include/linux/pgtable.h:302:29: error: function cannot return array type 'pgd_t' (aka 'unsigned int[2]')
static inline pgd_t pgdp_get(pgd_t *pgdp)
^
>> include/linux/pgtable.h:304:9: warning: incompatible pointer to integer conversion returning 'const volatile pmdval_t *' (aka 'const volatile unsigned int *') from a function with result type 'int' [-Wint-conversion]
return READ_ONCE(*pgdp);
^~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE'
#define READ_ONCE(x) \
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:97:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:97:25: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:113:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:113:27: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:114:5: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds]
(set1->sig[2] == set2->sig[2]) &&
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:114:21: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds]
(set1->sig[2] == set2->sig[2]) &&
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1075:
In file included from include/linux/huge_mm.h:8:
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:156:1: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
_SIG_SET_BINOP(sigorsets, _sig_or)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:137:8: note: expanded from macro '_SIG_SET_BINOP'
a3 = a->sig[3]; a2 = a->sig[2]; \
^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm/kernel/asm-offsets.c:12:
vim +302 include/linux/pgtable.h
300
301 #ifndef pgdp_get
> 302 static inline pgd_t pgdp_get(pgd_t *pgdp)
303 {
> 304 return READ_ONCE(*pgdp);
305 }
306 #endif
307
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-12-06 22:38 UTC|newest]
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