linux-kernel - [intel-tdx:tdx/guest-rebased 126/133] arch/x86/kernel/tdx-tests.c:66:12: warning: no previous prototype for 'kvm_unit_test_debug

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Date:   Fri, 14 Jan 2022 05:53:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [intel-tdx:tdx/guest-rebased 126/133]
 arch/x86/kernel/tdx-tests.c:66:12: warning: no previous prototype for
 'kvm_unit_test_debug_init'

tree:   https://github.com/intel/tdx.git tdx/guest-rebased
head:   e3995864d37c56f431c93fc3dc454d9c65f5e9ea
commit: a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9 [126/133] x86/tdx-tests: Add a port of a kvm unit test
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220114/202201140556.6bywMkqW-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx tdx/guest-rebased
        git checkout a7d35a3976c3ad98bc3c6522a92f5eb4e3c68fc9
        # 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/

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/tdx-tests.c:66:12: warning: no previous prototype for 'kvm_unit_test_debug_init' [-Wmissing-prototypes]
      66 | int __init kvm_unit_test_debug_init(void)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/kvm_unit_test_debug_init +66 arch/x86/kernel/tdx-tests.c

    65	
  > 66	int __init kvm_unit_test_debug_init(void)

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