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Subject[intel-tdx:kvm-upstream 73/152] arch/x86/kvm/vmx/main.c:25:14: error: lvalue required as left operand of assignment
tree:   https://github.com/intel/tdx.git kvm-upstream
head: bdfe06c17daab60c196ff80c1d98467a1d3734fa
commit: 3545bcde2d72e4b5b5f16571788aac0ddb5f49a5 [73/152] KVM: TDX: Add KVM TDX system-wide initialization and teardown
config: i386-randconfig-m021-20211216 (https://download.01.org/0day-ci/archive/20211216/202112162007.5fUQkqjb-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/3545bcde2d72e4b5b5f16571788aac0ddb5f49a5
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx kvm-upstream
git checkout 3545bcde2d72e4b5b5f16571788aac0ddb5f49a5
# 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@intel.com>

All errors (new ones prefixed by >>):

arch/x86/kvm/vmx/main.c: In function 'vt_hardware_setup':
>> arch/x86/kvm/vmx/main.c:25:14: error: lvalue required as left operand of assignment
25 | enable_tdx = false;
| ^
--
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) {}
| ^~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors


vim +25 arch/x86/kvm/vmx/main.c

15
16 static __init int vt_hardware_setup(void)
17 {
18 int ret;
19
20 ret = vmx_hardware_setup();
21 if (ret)
22 return ret;
23
24 if (enable_tdx && tdx_hardware_setup(&vt_x86_ops))
> 25 enable_tdx = false;
26 return 0;
27 }
28

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

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