linux-kernel - [tip:x86/bugs 2/4] drivers/base/cpu.c:512:9: warning: no previous prototype for 'cpu_show_not

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Message-ID: <202308101956.oRj1ls7s-lkp@intel.com>
Date:   Thu, 10 Aug 2023 19:12:39 +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, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nikolay Borisov <nik.borisov@...e.com>
Subject: [tip:x86/bugs 2/4] drivers/base/cpu.c:512:9: warning: no previous
 prototype for 'cpu_show_not_affected'

Hi Borislav,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/bugs
head:   cbe8ded48b939b9d55d2c5589ab56caa7b530709
commit: 0fddfe338210aa018137c03030c581f5ea4be282 [2/4] driver core: cpu: Unify redundant silly stubs
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230810/202308101956.oRj1ls7s-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230810/202308101956.oRj1ls7s-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/202308101956.oRj1ls7s-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/base/cpu.c:512:9: warning: no previous prototype for 'cpu_show_not_affected' [-Wmissing-prototypes]
     512 | ssize_t cpu_show_not_affected(struct device *dev,
         |         ^~~~~~~~~~~~~~~~~~~~~
   drivers/base/cpu.c:537:16: warning: no previous prototype for 'cpu_show_gds' [-Wmissing-prototypes]
     537 | ssize_t __weak cpu_show_gds(struct device *dev,
         |                ^~~~~~~~~~~~


vim +/cpu_show_not_affected +512 drivers/base/cpu.c

   510	
   511	#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
 > 512	ssize_t cpu_show_not_affected(struct device *dev,
   513				      struct device_attribute *attr, char *buf)
   514	{
   515		return sysfs_emit(buf, "Not affected\n");
   516	}
   517	

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