Hello all, My code base is newest kvm.git and my patch is based on commit ID: c128dbfa0f879f8ce7b79054037889b0b2240728, which has define those variables, Many thanks! Regards, Yang -----Original Message----- From: lkp Sent: Friday, November 24, 2017 10:36 AM To: Zhong, Yang <yang.zhong@xxxxxxxxx> Cc: kbuild-all@xxxxxx; kvm@xxxxxxxxxxxxxxx; pbonzini@xxxxxxxxxx; Zhong, Yang <yang.zhong@xxxxxxxxx> Subject: Re: [PATCH] KVM: Expose new cpu features to guest Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on v4.14] [cannot apply to kvm/linux-next next-20171122] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Yang-Zhong/KVM-Expose-new-cpu-features-to-guest/20171124-085014 config: i386-randconfig-x001-201747 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): arch/x86/kvm/cpuid.c: In function '__do_cpuid_ent': >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_AVX512_VBMI2' >> undeclared (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ >> arch/x86/kvm/cpuid.c:391:3: note: in expansion of macro 'F' F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | ^ arch/x86/kvm/cpuid.c:68:18: note: each undeclared identifier is reported only once for each function it appears in #define F(x) bit(X86_FEATURE_##x) ^ >> arch/x86/kvm/cpuid.c:391:3: note: in expansion of macro 'F' F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | ^ >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_GFNI' undeclared >> (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ arch/x86/kvm/cpuid.c:391:21: note: in expansion of macro 'F' F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | ^ >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_VAES' undeclared >> (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ arch/x86/kvm/cpuid.c:391:31: note: in expansion of macro 'F' F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | ^ >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_VPCLMULQDQ' >> undeclared (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ arch/x86/kvm/cpuid.c:391:41: note: in expansion of macro 'F' F(AVX512_VBMI2) | F(GFNI) | F(VAES) | F(VPCLMULQDQ) | ^ >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_AVX512_VNNI' >> undeclared (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ arch/x86/kvm/cpuid.c:392:3: note: in expansion of macro 'F' F(AVX512_VNNI) | F(AVX512_BITALG) | F(AVX512_VPOPCNTDQ); ^ >> arch/x86/kvm/cpuid.c:68:18: error: 'X86_FEATURE_AVX512_BITALG' >> undeclared (first use in this function) #define F(x) bit(X86_FEATURE_##x) ^ arch/x86/kvm/cpuid.c:392:20: note: in expansion of macro 'F' F(AVX512_VNNI) | F(AVX512_BITALG) | F(AVX512_VPOPCNTDQ); ^ vim +/X86_FEATURE_AVX512_VBMI2 +68 arch/x86/kvm/cpuid.c 4ff41732 Paolo Bonzini 2014-02-24 67 5c404cab Paolo Bonzini 2014-12-03 @68 #define F(x) bit(X86_FEATURE_##x) 5c404cab Paolo Bonzini 2014-12-03 69 :::::: The code at line 68 was first introduced by commit :::::: 5c404cabd1b5c125653ac573cb9284bdf42b658a KVM: x86: use F() macro throughout cpuid.c :::::: TO: Paolo Bonzini <pbonzini@xxxxxxxxxx> :::::: CC: Paolo Bonzini <pbonzini@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
