linux-kernel - [morse:mpam/snapshot/v5.16 4/137] arch/x86/kernel/cpu/resctrl/core.c:417:6: warning: no previous prototype for function 'domain

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Message-ID: <202201260732.58wp6s70-lkp@intel.com>
Date:   Wed, 26 Jan 2022 07:32:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     James Morse <james.morse@....com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [morse:mpam/snapshot/v5.16 4/137]
 arch/x86/kernel/cpu/resctrl/core.c:417:6: warning: no previous prototype for
 function 'domain_free'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.16
head:   364c1c42b229912132e1615c2ce15be7154e2156
commit: 22965510f006f9207f1615ffb3543c9314ac6d01 [4/137] x86/resctrl: Group struct rdt_hw_domain cleanup
config: i386-randconfig-a011-20220124 (https://download.01.org/0day-ci/archive/20220126/202201260732.58wp6s70-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 997e128e2a78f5a5434fc75997441ae1ee76f8a4)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=22965510f006f9207f1615ffb3543c9314ac6d01
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse mpam/snapshot/v5.16
        git checkout 22965510f006f9207f1615ffb3543c9314ac6d01
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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/resctrl/core.c:417:6: warning: no previous prototype for function 'domain_free' [-Wmissing-prototypes]
   void domain_free(struct rdt_hw_domain *hw_dom)
        ^
   arch/x86/kernel/cpu/resctrl/core.c:417:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void domain_free(struct rdt_hw_domain *hw_dom)
   ^
   static 
   1 warning generated.


vim +/domain_free +417 arch/x86/kernel/cpu/resctrl/core.c

   416	
 > 417	void domain_free(struct rdt_hw_domain *hw_dom)
   418	{
   419		kfree(hw_dom->ctrl_val);
   420		kfree(hw_dom->mbps_val);
   421		kfree(hw_dom);
   422	}
   423	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org