[openeuler:openEuler-1.0-LTS 1943/1943] arch/x86/events/zhaoxin/core.c:505:1: warning: attribute declaration must precede definition

16 Dec 2025

      Hi LeoLiu-oc,

FYI, the error/warning still remains.

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   49bc452fdcb1e9ec3f9bb20cd3e15b865a2933fd
commit: 0ce7c3b6e8a986ee9ef92a07ae18964835446c07 [1943/1943] x86/perf: Add hardware performance events support for Zhaoxin CPU.
config: x86_64-randconfig-005-20251216 (https://download.01.org/0day-ci/archive/20251216/202512161945.q1Ihd2Pk-lkp@i...)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251216/202512161945.q1Ihd2Pk-lkp@i...)

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/202512161945.q1Ihd2Pk-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from <built-in>:2:
   In file included from include/linux/compiler_types.h:59:
   include/linux/compiler-clang.h:20:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined]
      20 | #define __SANITIZE_ADDRESS__
         |         ^
   <built-in>:354:9: note: previous definition is here
     354 | #define __SANITIZE_ADDRESS__ 1
         |         ^
...
...
arch/x86/events/zhaoxin/core.c:505:1: warning: attribute declaration must precede definition [-Wignored-attributes]
     505 | __init int zhaoxin_pmu_init(void)
         | ^
   include/linux/init.h:50:17: note: expanded from macro '__init'
      50 | #define __init          __section(.init.text) __cold  __latent_entropy __noinitretpoline
         |                         ^
   include/linux/compiler_types.h:222:38: note: expanded from macro '__section'
     222 | #define __section(S)            __attribute__((__section__(#S)))
         |                                                ^
   arch/x86/events/zhaoxin/../perf_event.h:1054:19: note: previous definition is here
    1054 | static inline int zhaoxin_pmu_init(void)
         |                   ^
arch/x86/events/zhaoxin/core.c:505:1: warning: attribute declaration must precede definition [-Wignored-attributes]
     505 | __init int zhaoxin_pmu_init(void)
         | ^
   include/linux/init.h:50:39: note: expanded from macro '__init'
      50 | #define __init          __section(.init.text) __cold  __latent_entropy __noinitretpoline
         |                                               ^
   include/linux/compiler_types.h:221:33: note: expanded from macro '__cold'
     221 | #define __cold                  __attribute__((cold))
         |                                                ^
   arch/x86/events/zhaoxin/../perf_event.h:1054:19: note: previous definition is here
    1054 | static inline int zhaoxin_pmu_init(void)
         |                   ^
   arch/x86/events/zhaoxin/core.c:505:12: error: redefinition of 'zhaoxin_pmu_init'
     505 | __init int zhaoxin_pmu_init(void)
         |            ^
   arch/x86/events/zhaoxin/../perf_event.h:1054:19: note: previous definition is here
    1054 | static inline int zhaoxin_pmu_init(void)
         |                   ^
   3 warnings and 1 error generated.
vim +505 arch/x86/events/zhaoxin/core.c

   504
...
505	__init int zhaoxin_pmu_init(void)
-- 
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