* include/linux/pgtable.h:493:21: error: conflicting types for 'ptep_get'
@ 2026-09-24 14:19 kernel test robot
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From: kernel test robot @ 2026-09-24 14:19 UTC (permalink / raw)
To: Anshuman Khandual; +Cc: llvm, oe-kbuild-all, 0day robot
tree: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/s390-mm-Drop-all-pxdp_get/20260923-100220
head: b212352b7f2fdd6516ee447704e5e31fde0c2a8d
commit: 85ab0e85fd6ebe9757f9ba20e039988b46c03efb s390/mm: Drop all pxdp_get()
date: 34 hours ago
config: s390-randconfig-2001-20260924 (https://download.01.org/0day-ci/archive/20260924/202609241621.VOcb82Um-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 7e4b8ae111298941e0c31052a7124ab36f5365b5)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260924/202609241621.VOcb82Um-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/202609241621.VOcb82Um-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/s390/kernel/asm-offsets.c:12:
>> include/linux/pgtable.h:493:21: error: conflicting types for 'ptep_get'
493 | static inline pte_t ptep_get(pte_t *ptep)
| ^
arch/s390/include/asm/pgtable.h:28:21: note: previous declaration is here
28 | static inline pte_t ptep_get(const pte_t *ptep);
| ^
In file included from arch/s390/kernel/asm-offsets.c:12:
>> include/linux/pgtable.h:507:21: error: conflicting types for 'pudp_get'
507 | static inline pud_t pudp_get(pud_t *pudp)
| ^
arch/s390/include/asm/pgtable.h:29:21: note: previous declaration is here
29 | static inline pud_t pudp_get(const pud_t *pudp);
| ^
In file included from arch/s390/kernel/asm-offsets.c:12:
>> include/linux/pgtable.h:514:21: error: conflicting types for 'p4dp_get'
514 | static inline p4d_t p4dp_get(p4d_t *p4dp)
| ^
arch/s390/include/asm/pgtable.h:30:21: note: previous declaration is here
30 | static inline p4d_t p4dp_get(const p4d_t *p4dp);
| ^
In file included from arch/s390/kernel/asm-offsets.c:12:
>> include/linux/pgtable.h:521:21: error: conflicting types for 'pgdp_get'
521 | static inline pgd_t pgdp_get(pgd_t *pgdp)
| ^
arch/s390/include/asm/pgtable.h:31:21: note: previous declaration is here
31 | static inline pgd_t pgdp_get(const pgd_t *pgdp);
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/s390/kernel/asm-offsets.c:16:
In file included from arch/s390/include/asm/stacktrace.h:7:
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 +/ptep_get +493 include/linux/pgtable.h
^1da177e4c3f41 include/asm-generic/pgtable.h Linus Torvalds 2005-04-16 491
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 492 #ifndef ptep_get
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 @493 static inline pte_t ptep_get(pte_t *ptep)
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 494 {
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 495 return READ_ONCE(*ptep);
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 496 }
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 497 #endif
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 498
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 499 #ifndef pmdp_get
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 500 static inline pmd_t pmdp_get(pmd_t *pmdp)
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 501 {
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 502 return READ_ONCE(*pmdp);
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 503 }
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 504 #endif
6c1d2a073a1d85 include/linux/pgtable.h Ryan Roberts 2023-06-12 505
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 506 #ifndef pudp_get
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 @507 static inline pud_t pudp_get(pud_t *pudp)
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 508 {
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 509 return READ_ONCE(*pudp);
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 510 }
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 511 #endif
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 512
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 513 #ifndef p4dp_get
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 @514 static inline p4d_t p4dp_get(p4d_t *p4dp)
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 515 {
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 516 return READ_ONCE(*p4dp);
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 517 }
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 518 #endif
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 519
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 520 #ifndef pgdp_get
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 @521 static inline pgd_t pgdp_get(pgd_t *pgdp)
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 522 {
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 523 return READ_ONCE(*pgdp);
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 524 }
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 525 #endif
eba2591d99d1f1 include/linux/pgtable.h Alexandre Ghiti 2023-12-13 526
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