linux-kernel - [intel-tdx:kvm-upstream 74/152] arch/x86/kvm/vmx/tdx_stubs.c:10:5: error: no previous prototype for 'tdx_dev

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Message-ID: <202112162154.fSEMJNMD-lkp@intel.com>
Date:   Thu, 16 Dec 2021 21:03:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Isaku Yamahata <isaku.yamahata@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: [intel-tdx:kvm-upstream 74/152] arch/x86/kvm/vmx/tdx_stubs.c:10:5:
 error: no previous prototype for 'tdx_dev_ioctl'

tree:   https://github.com/intel/tdx.git kvm-upstream
head:   bdfe06c17daab60c196ff80c1d98467a1d3734fa
commit: a7aca922f6abdf63d234853308401894d6c4106d [74/152] KVM: TDX: x86: Add support for device-scoped KVM_MEMORY_ENCRYPT_OP
config: i386-randconfig-m021-20211216 (https://download.01.org/0day-ci/archive/20211216/202112162154.fSEMJNMD-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/a7aca922f6abdf63d234853308401894d6c4106d
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream
        git checkout a7aca922f6abdf63d234853308401894d6c4106d
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arch/x86/kvm/vmx/tdx_stubs.c:4:13: error: no previous prototype for 'tdx_pre_kvm_init' [-Werror=missing-prototypes]
       4 | void __init tdx_pre_kvm_init(unsigned int *vcpu_size,
         |             ^~~~~~~~~~~~~~~~
   arch/x86/kvm/vmx/tdx_stubs.c:6:12: error: no previous prototype for 'tdx_hardware_setup' [-Werror=missing-prototypes]
       6 | int __init tdx_hardware_setup(struct kvm_x86_ops *x86_ops) { return -EOPNOTSUPP; }
         |            ^~~~~~~~~~~~~~~~~~
   arch/x86/kvm/vmx/tdx_stubs.c:7:6: error: no previous prototype for 'tdx_hardware_enable' [-Werror=missing-prototypes]
       7 | void tdx_hardware_enable(void) {}
         |      ^~~~~~~~~~~~~~~~~~~
   arch/x86/kvm/vmx/tdx_stubs.c:8:6: error: no previous prototype for 'tdx_hardware_disable' [-Werror=missing-prototypes]
       8 | void tdx_hardware_disable(void) {}
         |      ^~~~~~~~~~~~~~~~~~~~
>> arch/x86/kvm/vmx/tdx_stubs.c:10:5: error: no previous prototype for 'tdx_dev_ioctl' [-Werror=missing-prototypes]
      10 | int tdx_dev_ioctl(void __user *argp) { return -EOPNOTSUPP; }
         |     ^~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/tdx_dev_ioctl +10 arch/x86/kvm/vmx/tdx_stubs.c

     9	
  > 10	int tdx_dev_ioctl(void __user *argp) { return -EOPNOTSUPP; }

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