linux-kernel - Re: [PATCH] x86/split_lock: add split lock counter

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Message-ID: <202312161122.4Y1qkw0S-lkp@intel.com>
Date: Sat, 16 Dec 2023 11:27:36 +0800
From: kernel test robot <lkp@...el.com>
To: Maksim Davydov <davydov-max@...dex-team.ru>,
	linux-kernel@...r.kernel.org, x86@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, davydov-max@...dex-team.ru,
	den-plotnikov@...dex-team.ru, tony.luck@...el.com,
	tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
	dave.hansen@...ux.intel.com, hpa@...or.com, peterz@...radead.org,
	juri.lelli@...hat.com, vincent.guittot@...aro.org
Subject: Re: [PATCH] x86/split_lock: add split lock counter

Hi Maksim,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/x86/core]
[also build test WARNING on tip/master tip/sched/core linus/master tip/auto-latest v6.7-rc5 next-20231215]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Maksim-Davydov/x86-split_lock-add-split-lock-counter/20231215-220639
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20231215140113.57173-1-davydov-max%40yandex-team.ru
patch subject: [PATCH] x86/split_lock: add split lock counter
config: um-defconfig (https://download.01.org/0day-ci/archive/20231216/202312161122.4Y1qkw0S-lkp@intel.com/config)
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/20231216/202312161122.4Y1qkw0S-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/202312161122.4Y1qkw0S-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/proc/base.c:101:
>> arch/x86/include/asm/cpu.h:36:31: warning: 'struct cpuinfo_x86' declared inside parameter list will not be visible outside of this definition or declaration
      36 | int mwait_usable(const struct cpuinfo_x86 *);
         |                               ^~~~~~~~~~~
   arch/x86/include/asm/cpu.h:42:37: warning: 'struct cpuinfo_x86' declared inside parameter list will not be visible outside of this definition or declaration
      42 | extern void __init sld_setup(struct cpuinfo_x86 *c);
         |                                     ^~~~~~~~~~~
   arch/x86/include/asm/cpu.h:85:32: warning: 'struct cpuinfo_x86' declared inside parameter list will not be visible outside of this definition or declaration
      85 | void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
         |                                ^~~~~~~~~~~


vim +36 arch/x86/include/asm/cpu.h

bb6e89df9028b2 Thomas Gleixner        2022-04-15  35  
1c9d16e3591109 Borislav Petkov        2011-02-11 @36  int mwait_usable(const struct cpuinfo_x86 *);
6d652ea1d05639 Jaswinder Singh Rajput 2009-01-07  37  

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