Hi Yang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on vhost/linux-next]
[also build test ERROR on tip/auto-latest linus/master v5.7-rc4 next-20200505]
[cannot apply to kvm/linux-next linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    
https://github.com/0day-ci/linux/commits/Yang-Weijiang/Introduce-support-for-guest-CET-feature/20200507-021021
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 
54b35c066417d4856e9d53313f7e98b354274584)
reproduce:
        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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <[email protected]>

All errors (new ones prefixed by >>):

>> arch/x86/kvm/vmx/vmx.c:3026:26: error: use of undeclared identifier 
>> 'X86_FEATURE_SHSTK'; did you mean 'XFEATURE_SSE'?
                   (guest_cpuid_has(vcpu, X86_FEATURE_SHSTK) ||
                                          ^~~~~~~~~~~~~~~~~
                                          XFEATURE_SSE
   arch/x86/include/asm/fpu/types.h:104:2: note: 'XFEATURE_SSE' declared here
           XFEATURE_SSE,
           ^
   arch/x86/kvm/vmx/vmx.c:3027:25: error: use of undeclared identifier 
'X86_FEATURE_IBT'
                   guest_cpuid_has(vcpu, X86_FEATURE_IBT)));
                                         ^
   arch/x86/kvm/vmx/vmx.c:7114:40: error: use of undeclared identifier 
'XFEATURE_MASK_CET_USER'
           incpt = !is_cet_state_supported(vcpu, XFEATURE_MASK_CET_USER);
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7119:40: error: use of undeclared identifier 
>> 'MSR_IA32_U_CET'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_U_CET, MSR_TYPE_RW,
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7121:40: error: use of undeclared identifier 
>> 'MSR_IA32_PL3_SSP'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_PL3_SSP, MSR_TYPE_RW,
                                                 ^
   arch/x86/kvm/vmx/vmx.c:7124:40: error: use of undeclared identifier 
'XFEATURE_MASK_CET_KERNEL'
           incpt = !is_cet_state_supported(vcpu, XFEATURE_MASK_CET_KERNEL);
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7129:40: error: use of undeclared identifier 
>> 'MSR_IA32_S_CET'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_S_CET, MSR_TYPE_RW,
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7131:40: error: use of undeclared identifier 
>> 'MSR_IA32_PL0_SSP'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_PL0_SSP, MSR_TYPE_RW,
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7133:40: error: use of undeclared identifier 
>> 'MSR_IA32_PL1_SSP'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_PL1_SSP, MSR_TYPE_RW,
                                                 ^
>> arch/x86/kvm/vmx/vmx.c:7135:40: error: use of undeclared identifier 
>> 'MSR_IA32_PL2_SSP'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_PL2_SSP, MSR_TYPE_RW,
                                                 ^
   arch/x86/kvm/vmx/vmx.c:7138:34: error: use of undeclared identifier 
'X86_FEATURE_SHSTK'; did you mean 'XFEATURE_SSE'?
           incpt |= !guest_cpuid_has(vcpu, X86_FEATURE_SHSTK);
                                           ^~~~~~~~~~~~~~~~~
                                           XFEATURE_SSE
   arch/x86/include/asm/fpu/types.h:104:2: note: 'XFEATURE_SSE' declared here
           XFEATURE_SSE,
           ^
>> arch/x86/kvm/vmx/vmx.c:7140:40: error: use of undeclared identifier 
>> 'MSR_IA32_INT_SSP_TAB'
           vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_INT_SSP_TAB, 
MSR_TYPE_RW,
                                                 ^
   arch/x86/kvm/vmx/vmx.c:7183:23: error: use of undeclared identifier 
'XFEATURE_MASK_CET_KERNEL'
           if (supported_xss & (XFEATURE_MASK_CET_KERNEL | 
XFEATURE_MASK_CET_USER))
                                ^
   arch/x86/kvm/vmx/vmx.c:7183:50: error: use of undeclared identifier 
'XFEATURE_MASK_CET_USER'
           if (supported_xss & (XFEATURE_MASK_CET_KERNEL | 
XFEATURE_MASK_CET_USER))
                                                           ^
   14 errors generated.

vim +3026 arch/x86/kvm/vmx/vmx.c

  3022  
  3023  static bool is_cet_state_supported(struct kvm_vcpu *vcpu, u32 
xss_states)
  3024  {
  3025          return ((supported_xss & xss_states) &&
> 3026                  (guest_cpuid_has(vcpu, X86_FEATURE_SHSTK) ||
  3027                  guest_cpuid_has(vcpu, X86_FEATURE_IBT)));
  3028  }
  3029  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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