* [davidhildenbrand:rmap_batching 3/11] include/linux/pgtable.h:227:3: error: call to undeclared function 'ptep_set_wrprotect'; ISO C99 and later do not support implicit function declarations
@ 2024-01-20 16:44 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-01-20 16:44 UTC (permalink / raw)
To: David Hildenbrand; +Cc: llvm, oe-kbuild-all
tree: https://github.com/davidhildenbrand/linux rmap_batching
head: c54f3b69b7a799efa06dbf58a60db9b3fac04111
commit: d84c9158468598cb15b038bca27fd80e113b456c [3/11] mm/memory: optimize fork() with PTE-mapped THP
config: arm-mmp2_defconfig (https://download.01.org/0day-ci/archive/20240121/202401210031.nDeCDGF7-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240121/202401210031.nDeCDGF7-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/202401210031.nDeCDGF7-lkp@intel.com/
All errors (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:218:38: error: use of undeclared identifier 'PFN_PTE_SHIFT'
return __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT));
^
>> include/linux/pgtable.h:227:3: error: call to undeclared function 'ptep_set_wrprotect'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
ptep_set_wrprotect(mm, addr, ptep);
^
include/linux/pgtable.h:227:3: note: did you mean 'pte_wrprotect'?
arch/arm/include/asm/pgtable.h:226:21: note: 'pte_wrprotect' declared here
static inline pte_t pte_wrprotect(pte_t pte)
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:29:
include/linux/pgtable.h:638:20: error: static declaration of 'ptep_set_wrprotect' follows non-static declaration
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long address, pte_t *ptep)
^
include/linux/pgtable.h:227:3: note: previous implicit declaration is here
ptep_set_wrprotect(mm, addr, ptep);
^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1095:
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:98:11: 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:1095:
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:98:25: 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:1095:
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:114:11: 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:1095:
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:114:27: 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:1095:
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:115:5: 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:1095:
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:115:21: 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:1095:
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:157:1: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
vim +/ptep_set_wrprotect +227 include/linux/pgtable.h
221
222 #ifndef wrprotect_ptes
223 static inline void wrprotect_ptes(struct mm_struct *mm, unsigned long addr,
224 pte_t *ptep, unsigned int nr)
225 {
226 for (;;) {
> 227 ptep_set_wrprotect(mm, addr, ptep);
228 if (--nr == 0)
229 break;
230 ptep++;
231 addr += PAGE_SIZE;
232 }
233 }
234 #endif
235
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-01-20 16:44 [davidhildenbrand:rmap_batching 3/11] include/linux/pgtable.h:227:3: error: call to undeclared function 'ptep_set_wrprotect'; ISO C99 and later do not support implicit function declarations kernel test robot
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