Hi Chenyi, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on v5.11-rc2 next-20210108] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Chenyi-Qiang/Add-KVM-support-for-bus-lock-debug-exception/20210108-144848 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: i386-randconfig-r015-20210108 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/fd0365cd4650a48a76379269b7cebd40ee38e52c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chenyi-Qiang/Add-KVM-support-for-bus-lock-debug-exception/20210108-144848 git checkout fd0365cd4650a48a76379269b7cebd40ee38e52c # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/x86/kvm/cpuid.c:21: arch/x86/kvm/cpuid.c: In function 'kvm_set_cpu_caps': >> arch/x86/kvm/cpuid.h:98:42: error: 'X86_FEATURE_BUS_LOCK_DETECT' undeclared (first use in this function); did you mean 'X86_FEATURE_SPLIT_LOCK_DETECT'? 98 | #define feature_bit(name) __feature_bit(X86_FEATURE_##name) | ^~~~~~~~~~~~ arch/x86/kvm/cpuid.c:55:11: note: in expansion of macro 'feature_bit' 55 | #define F feature_bit | ^~~~~~~~~~~ arch/x86/kvm/cpuid.c:406:3: note: in expansion of macro 'F' 406 | F(BUS_LOCK_DETECT) | ^ arch/x86/kvm/cpuid.h:98:42: note: each undeclared identifier is reported only once for each function it appears in 98 | #define feature_bit(name) __feature_bit(X86_FEATURE_##name) | ^~~~~~~~~~~~ arch/x86/kvm/cpuid.c:55:11: note: in expansion of macro 'feature_bit' 55 | #define F feature_bit | ^~~~~~~~~~~ arch/x86/kvm/cpuid.c:406:3: note: in expansion of macro 'F' 406 | F(BUS_LOCK_DETECT) | ^ -- In file included from include/linux/export.h:43, from include/linux/linkage.h:7, from include/linux/fs.h:5, from include/linux/highmem.h:5, from arch/x86/kvm/vmx/vmx.c:16: arch/x86/kvm/vmx/vmx.c: In function 'vmx_set_msr': >> arch/x86/kvm/vmx/vmx.c:151:20: error: 'DEBUGCTLMSR_BUS_LOCK_DETECT' undeclared (first use in this function) 151 | DEBUGCTLMSR_BTF | DEBUGCTLMSR_BUS_LOCK_DETECT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ arch/x86/kvm/vmx/vmx.c:2011:3: note: in expansion of macro 'if' 2011 | if (data & ~MSR_VMX_SUPPORTED_DEBUGCTL) | ^~ arch/x86/kvm/vmx/vmx.c:2011:15: note: in expansion of macro 'MSR_VMX_SUPPORTED_DEBUGCTL' 2011 | if (data & ~MSR_VMX_SUPPORTED_DEBUGCTL) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kvm/vmx/vmx.c:151:20: note: each undeclared identifier is reported only once for each function it appears in 151 | DEBUGCTLMSR_BTF | DEBUGCTLMSR_BUS_LOCK_DETECT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ arch/x86/kvm/vmx/vmx.c:2011:3: note: in expansion of macro 'if' 2011 | if (data & ~MSR_VMX_SUPPORTED_DEBUGCTL) | ^~ arch/x86/kvm/vmx/vmx.c:2011:15: note: in expansion of macro 'MSR_VMX_SUPPORTED_DEBUGCTL' 2011 | if (data & ~MSR_VMX_SUPPORTED_DEBUGCTL) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/kvm/vmx/vmx.c:2016:30: error: 'X86_FEATURE_BUS_LOCK_DETECT' undeclared (first use in this function); did you mean 'X86_FEATURE_SPLIT_LOCK_DETECT'? 2016 | !guest_cpuid_has(vcpu, X86_FEATURE_BUS_LOCK_DETECT)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ arch/x86/kvm/vmx/vmx.c:2014:3: note: in expansion of macro 'if' 2014 | if (!msr_info->host_initiated && | ^~ vim +98 arch/x86/kvm/cpuid.h a0a2260c12d8658 Sean Christopherson 2019-12-17 97 87382003e355592 Sean Christopherson 2019-12-17 @98 #define feature_bit(name) __feature_bit(X86_FEATURE_##name) 87382003e355592 Sean Christopherson 2019-12-17 99 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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