linux-kernel - [intel-tdx:kvm-upstream-workaround 99/361] arch/x86/kvm/vmx/vmx.c:4410:5: warning: no previous prototype for 'vmx_get_pid_table

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Date:   Fri, 6 May 2022 05:26:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Chao Gao <chao.gao@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Isaku Yamahata <isaku.yamahata@...el.com>,
        Zeng Guang <guang.zeng@...el.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: [intel-tdx:kvm-upstream-workaround 99/361]
 arch/x86/kvm/vmx/vmx.c:4410:5: warning: no previous prototype for
 'vmx_get_pid_table_order'

tree:   https://github.com/intel/tdx.git kvm-upstream-workaround
head:   3b5b338cdf10dca7a2435d1f86b2dd9f1a3ad833
commit: 833404c859e4357ba656b2d19d5a405ba7bf4ec4 [99/361] KVM: VMX: enable IPI virtualization
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220506/202205060503.iU8bElBs-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/833404c859e4357ba656b2d19d5a405ba7bf4ec4
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream-workaround
        git checkout 833404c859e4357ba656b2d19d5a405ba7bf4ec4
        # 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/kvm/

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/kvm/vmx/vmx.c:4410:5: warning: no previous prototype for 'vmx_get_pid_table_order' [-Wmissing-prototypes]
    4410 | int vmx_get_pid_table_order(struct kvm *kvm)
         |     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/vmx_get_pid_table_order +4410 arch/x86/kvm/vmx/vmx.c

  4409	
> 4410	int vmx_get_pid_table_order(struct kvm *kvm)
  4411	{
  4412		return get_order(kvm->arch.max_vcpu_ids * sizeof(*to_kvm_vmx(kvm)->pid_table));
  4413	}
  4414	

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