linux-kernel - [morse:mpam/resctrl_monitors_in_bytes/v2 6/23] arch/x86/kernel/cpu/resctrl/core.c:417:6: warning: no previous prototype for function 'domain

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Message-ID: <202110090033.fJBFosXT-lkp@intel.com>
Date:   Sat, 9 Oct 2021 00:33:35 +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/resctrl_monitors_in_bytes/v2 6/23]
 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/resctrl_monitors_in_bytes/v2
head:   fd62aabfdf309ee282f1fb717eed9c027ada76ae
commit: 58a2a784a61e4c1030db7b5a3e3db5494347a3cd [6/23] x86/resctrl: Group struct rdt_hw_domain cleanup
config: x86_64-randconfig-r034-20211008 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 8ed2e8e04ff42eb4d8009999ae1fd341a30bf6c0)
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=58a2a784a61e4c1030db7b5a3e3db5494347a3cd
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse mpam/resctrl_monitors_in_bytes/v2
        git checkout 58a2a784a61e4c1030db7b5a3e3db5494347a3cd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

Download attachment ".config.gz" of type "application/gzip" (37940 bytes)