Hi LeoLiu-oc, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3c02090eb0ad149880a8c798014249ad2d642617 commit: 0ce7c3b6e8a986ee9ef92a07ae18964835446c07 [15515/23855] x86/perf: Add hardware performance events support for Zhaoxin CPU. config: x86_64-randconfig-001-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240541.Jo4ftqeo-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240541.Jo4ftqeo-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/202410240541.Jo4ftqeo-lkp@intel.com/ All errors (new ones prefixed by >>):

...

arch/x86/events/zhaoxin/core.c:505:12: error: redefinition of 'zhaoxin_pmu_init' 505 | __init int zhaoxin_pmu_init(void) | ^~~~~~~~~~~~~~~~ In file included from arch/x86/events/zhaoxin/core.c:19: arch/x86/events/zhaoxin/../perf_event.h:1054:19: note: previous definition of 'zhaoxin_pmu_init' with type 'int(void)' 1054 | static inline int zhaoxin_pmu_init(void) | ^~~~~~~~~~~~~~~~

vim +/zhaoxin_pmu_init +505 arch/x86/events/zhaoxin/core.c 504

505 __init int zhaoxin_pmu_init(void)

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