linux-kernel - [tip:master 20/20] arch/x86/include/asm/microcode.h:29:20: error: redefinition of 'amd_check

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Date:   Tue, 15 Aug 2023 02:51:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Borislav Petkov (AMD)" <bp@...en8.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        x86@...nel.org
Subject: [tip:master 20/20] arch/x86/include/asm/microcode.h:29:20: error:
 redefinition of 'amd_check_microcode'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
head:   d2915b8e76b3a598febd7348799d745cb741a2f5
commit: d2915b8e76b3a598febd7348799d745cb741a2f5 [20/20] Merge x86/microcode into tip/master
config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20230815/202308150231.ThoHOoid-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230815/202308150231.ThoHOoid-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308150231.ThoHOoid-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/x86/kernel/smpboot.c:80:
>> arch/x86/include/asm/microcode.h:29:20: error: redefinition of 'amd_check_microcode'
      29 | static inline void amd_check_microcode(void) {}
         |                    ^~~~~~~~~~~~~~~~~~~
   In file included from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:60,
                    from arch/x86/include/asm/preempt.h:9,
                    from include/linux/preempt.h:79,
                    from include/linux/smp.h:110,
                    from arch/x86/kernel/smpboot.c:43:
   arch/x86/include/asm/processor.h:694:20: note: previous definition of 'amd_check_microcode' with type 'void(void)'
     694 | static inline void amd_check_microcode(void)            { }
         |                    ^~~~~~~~~~~~~~~~~~~


vim +/amd_check_microcode +29 arch/x86/include/asm/microcode.h

    25	
    26	#ifdef CONFIG_CPU_SUP_AMD
    27	extern void amd_check_microcode(void);
    28	#else
  > 29	static inline void amd_check_microcode(void) {}
    30	#endif
    31	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki