* [openeuler:OLK-6.6 691/2356] arch/arm64/include/asm/elf.h:223:9: warning: 'COMPAT_ARCH_DLINFO' macro redefined
@ 2024-01-12 12:36 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-01-12 12:36 UTC (permalink / raw)
To: kernel; +Cc: oe-kbuild-all
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
head: ea6de9f6732d495c506f9c140b4ec17c957e1b77
commit: 7de3ab4c3dd938fae3626a6344830b018eb7ba4f [691/2356] arm64: introduce binfmt_elf32.c
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240112/202401122047.CyxICDOd-lkp@intel.com/config)
compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 9bde5becb44ea071f5e1fa1f5d4071dc8788b18c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240112/202401122047.CyxICDOd-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/202401122047.CyxICDOd-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm64/kernel/binfmt_elf32.c:27:
In file included from arch/arm64/kernel/../../../fs/compat_binfmt_elf.c:17:
In file included from include/linux/elfcore-compat.h:5:
In file included from include/linux/elf.h:6:
>> arch/arm64/include/asm/elf.h:223:9: warning: 'COMPAT_ARCH_DLINFO' macro redefined [-Wmacro-redefined]
223 | #define COMPAT_ARCH_DLINFO \
| ^
arch/arm64/kernel/binfmt_elf32.c:20:9: note: previous definition is here
20 | #define COMPAT_ARCH_DLINFO
| ^
1 warning generated.
vim +/COMPAT_ARCH_DLINFO +223 arch/arm64/include/asm/elf.h
7de3ab4c3dd938 Yury Norov 2023-11-27 221
85751e9e5b1480 Vincenzo Frascino 2019-07-10 222 #ifdef CONFIG_COMPAT_VDSO
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 @223 #define COMPAT_ARCH_DLINFO \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 224 do { \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 225 /* \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 226 * Note that we use Elf64_Off instead of elf_addr_t because \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 227 * elf_addr_t in compat is defined as Elf32_Addr and casting \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 228 * current->mm->context.vdso to it triggers a cast warning of \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 229 * cast from pointer to integer of different size. \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 230 */ \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 231 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 232 (Elf64_Off)current->mm->context.vdso); \
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 233 } while (0)
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 234 #else
f668cd1673aa2e Catalin Marinas 2012-03-05 235 #define COMPAT_ARCH_DLINFO
1e3f17f55aec65 Vincenzo Frascino 2019-06-21 236 #endif
7de3ab4c3dd938 Yury Norov 2023-11-27 237
:::::: The code at line 223 was first introduced by commit
:::::: 1e3f17f55aec6510f88ff65dcbaae13435af0ba6 arm64: elf: VDSO code page discovery
:::::: TO: Vincenzo Frascino <vincenzo.frascino@arm.com>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-01-12 12:36 [openeuler:OLK-6.6 691/2356] arch/arm64/include/asm/elf.h:223:9: warning: 'COMPAT_ARCH_DLINFO' macro redefined kernel test robot
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