linux-kernel - Re: [kbuild-all] Re: arch/x86/kernel/cpu/mce/amd.c:552:6: warning: no previous prototype for 'disable_err

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Date:   Thu, 31 Mar 2022 20:48:23 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Borislav Petkov <bp@...e.de>, kernel test robot <lkp@...el.com>
Cc:     Shirish S <Shirish.S@....com>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: [kbuild-all] Re: arch/x86/kernel/cpu/mce/amd.c:552:6: warning: no
 previous prototype for 'disable_err_thresholding'



On 3/30/2022 8:21 PM, Borislav Petkov wrote:
> On Wed, Mar 30, 2022 at 04:45:25PM +0800, kernel test robot wrote:
>> Hi Shirish,
>>
>> FYI, the error/warning still remains.
>>
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   965181d7ef7e1a863477536dc328c23a7ebc8a1d
>> commit: 30aa3d26edb0f3d7992757287eec0ca588a5c259 x86/MCE/AMD: Carve out the MC4_MISC thresholding quirk
>> date:   3 years, 2 months ago
>> config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220330/202203301632.RmI9R5aU-lkp@intel.com/config)
>> compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
>> reproduce (this is a W=1 build):
>>          # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30aa3d26edb0f3d7992757287eec0ca588a5c259
>>          git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>          git fetch --no-tags linus master
>>          git checkout 30aa3d26edb0f3d7992757287eec0ca588a5c259
>>          # save the config file to linux build tree
>>          mkdir build_dir
>>          make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/cpu/mce/ drivers/gpu/drm/i915/
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@...el.com>
>>
>> All warnings (new ones prefixed by >>):
>>
>>>> arch/x86/kernel/cpu/mce/amd.c:552:6: warning: no previous prototype for 'disable_err_thresholding' [-Wmissing-prototypes]
>>       552 | void disable_err_thresholding(struct cpuinfo_x86 *c)
>>           |      ^~~~~~~~~~~~~~~~~~~~~~~~
> 
> I can't trigger this with gcc-9 (Debian 9.3.0-22) 9.3.0 on that commit
> with your .config.
> 
> Please drop this.
> 

Hi Boris,

Sorry about it, something goes wrong, we'll add it to the ignore list.

Best Regards,
Rong Chen