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From: kernel test robot <lkp@intel.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	kvm@vger.kernel.org, Robert Hu <robert.hu@intel.com>,
	Farrah Chen <farrah.chen@intel.com>,
	Danmei Wei <danmei.wei@intel.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline'
Date: Fri, 7 May 2021 08:13:51 +0800	[thread overview]
Message-ID: <202105070840.f1TZQ4rC-lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head:   c6d517aecd40b25ea05c593962b2c4b085092343
commit: 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc [11/44] x86/kvm: Teardown PV features on boot CPU as well
config: x86_64-randconfig-a001-20210506 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
        git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
        git fetch --no-tags kvm queue
        git checkout 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
        # 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@intel.com>

All errors (new ones prefixed by >>):

>> arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline' [-Werror,-Wimplicit-function-declaration]
           kvm_guest_cpu_offline();
           ^
   arch/x86/kernel/kvm.c:672:2: note: did you mean 'kvm_guest_cpu_init'?
   arch/x86/kernel/kvm.c:332:13: note: 'kvm_guest_cpu_init' declared here
   static void kvm_guest_cpu_init(void)
               ^
>> arch/x86/kernel/kvm.c:679:2: error: implicit declaration of function 'kvm_cpu_online' [-Werror,-Wimplicit-function-declaration]
           kvm_cpu_online(raw_smp_processor_id());
           ^
   2 errors generated.


vim +/kvm_guest_cpu_offline +672 arch/x86/kernel/kvm.c

   669	
   670	static int kvm_suspend(void)
   671	{
 > 672		kvm_guest_cpu_offline();
   673	
   674		return 0;
   675	}
   676	
   677	static void kvm_resume(void)
   678	{
 > 679		kvm_cpu_online(raw_smp_processor_id());
   680	}
   681	

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

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             reply	other threads:[~2021-05-07  0:14 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-07  0:13 kernel test robot [this message]
2021-05-07  7:44 ` Paolo Bonzini
2021-05-07  8:52   ` Vitaly Kuznetsov

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