linux-kernel - [intel-tdx:guest-filter 10/28] arch/x86/coco/core.c:35:6: warning: old-style function definition

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Date:   Wed, 29 Jun 2022 00:21:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: [intel-tdx:guest-filter 10/28] arch/x86/coco/core.c:35:6: warning:
 old-style function definition

tree:   https://github.com/intel/tdx.git guest-filter
head:   0a555e67b143701a81612d819e693cf5786de418
commit: f0270b8da57a2d69e1eb8aa9c79ad9b6a01c90ab [10/28] x86/tdx: Add command line option to disable TDX guest filter support
config: x86_64-allyesconfig
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/f0270b8da57a2d69e1eb8aa9c79ad9b6a01c90ab
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-filter
        git checkout f0270b8da57a2d69e1eb8aa9c79ad9b6a01c90ab
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   arch/x86/coco/core.c: In function 'cc_filter_enabled':
>> arch/x86/coco/core.c:35:6: warning: old-style function definition [-Wold-style-definition]
      35 | bool cc_filter_enabled()
         |      ^~~~~~~~~~~~~~~~~


vim +35 arch/x86/coco/core.c

    34	
  > 35	bool cc_filter_enabled()
    36	{
    37		return cc_filter_status;
    38	}
    39	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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