Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/master] [also build test ERROR on linus/master kvm/linux-next v5.10-rc3 next-20201109] [cannot apply to vhost/linux-next linux/master] [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/Yang-Weijiang/Introduce-support-for-guest-CET-feature/20201106-090915 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 6f72faf4a32303c8bdc6491186b79391e9cf0c7e config: i386-randconfig-r022-20201109 (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/6ad097a38652897acc9b138f8c43f6c61ce92fc5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yang-Weijiang/Introduce-support-for-guest-CET-feature/20201106-090915 git checkout 6ad097a38652897acc9b138f8c43f6c61ce92fc5 # 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 >>): arch/x86/kvm/x86.c: In function 'kvm_set_cr0': arch/x86/kvm/x86.c:850:53: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_DE'? 850 | if (!(cr0 & X86_CR0_WP) && kvm_read_cr4_bits(vcpu, X86_CR4_CET)) | ^~~~~~~~~~~ | X86_CR4_DE arch/x86/kvm/x86.c:850:53: note: each undeclared identifier is reported only once for each function it appears in arch/x86/kvm/x86.c: In function 'kvm_set_cr4': arch/x86/kvm/x86.c:1014:13: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_DE'? 1014 | if ((cr4 & X86_CR4_CET) && !(kvm_read_cr0(vcpu) & X86_CR0_WP)) | ^~~~~~~~~~~ | X86_CR4_DE arch/x86/kvm/x86.c: In function 'kvm_arch_hardware_setup': >> arch/x86/kvm/x86.h:401:22: error: 'X86_FEATURE_SHSTK' undeclared (first use in this function); did you mean 'X86_FEATURE_EST'? 401 | if (!__cpu_has(__c, X86_FEATURE_SHSTK) && \ | ^~~~~~~~~~~~~~~~~ arch/x86/kvm/x86.c:10175:55: note: in definition of macro '__kvm_cpu_cap_has' 10175 | #define __kvm_cpu_cap_has(UNUSED_, f) kvm_cpu_cap_has(f) | ^ arch/x86/kvm/x86.c:10176:22: note: in expansion of macro '__cr4_reserved_bits' 10176 | cr4_reserved_bits = __cr4_reserved_bits(__kvm_cpu_cap_has, UNUSED_); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/kvm/x86.h:402:22: error: 'X86_FEATURE_IBT' undeclared (first use in this function); did you mean 'X86_FEATURE_IBS'? 402 | !__cpu_has(__c, X86_FEATURE_IBT)) \ | ^~~~~~~~~~~~~~~ arch/x86/kvm/x86.c:10175:55: note: in definition of macro '__kvm_cpu_cap_has' 10175 | #define __kvm_cpu_cap_has(UNUSED_, f) kvm_cpu_cap_has(f) | ^ arch/x86/kvm/x86.c:10176:22: note: in expansion of macro '__cr4_reserved_bits' 10176 | cr4_reserved_bits = __cr4_reserved_bits(__kvm_cpu_cap_has, UNUSED_); | ^~~~~~~~~~~~~~~~~~~ In file included from arch/x86/kvm/cpuid.h:5, from arch/x86/kvm/mmu.h:7, from arch/x86/kvm/x86.c:22: arch/x86/kvm/x86.h:403:22: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_DE'? 403 | __reserved_bits |= X86_CR4_CET; \ | ^~~~~~~~~~~ arch/x86/kvm/x86.c:10176:22: note: in expansion of macro '__cr4_reserved_bits' 10176 | cr4_reserved_bits = __cr4_reserved_bits(__kvm_cpu_cap_has, UNUSED_); | ^~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/percpu.h:6, from include/linux/context_tracking_state.h:5, from include/linux/hardirq.h:5, from include/linux/kvm_host.h:7, from arch/x86/kvm/x86.c:19: arch/x86/kvm/x86.c: In function 'kvm_arch_check_processor_compat': >> arch/x86/kvm/x86.h:401:22: error: 'X86_FEATURE_SHSTK' undeclared (first use in this function); did you mean 'X86_FEATURE_EST'? 401 | if (!__cpu_has(__c, X86_FEATURE_SHSTK) && \ | ^~~~~~~~~~~~~~~~~ arch/x86/include/asm/cpufeature.h:118:24: note: in definition of macro 'cpu_has' 118 | (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ | ^~~ arch/x86/kvm/x86.c:10209:6: note: in expansion of macro '__cr4_reserved_bits' 10209 | if (__cr4_reserved_bits(cpu_has, c) != | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/kvm/x86.h:402:22: error: 'X86_FEATURE_IBT' undeclared (first use in this function); did you mean 'X86_FEATURE_IBS'? 402 | !__cpu_has(__c, X86_FEATURE_IBT)) \ | ^~~~~~~~~~~~~~~ arch/x86/include/asm/cpufeature.h:118:24: note: in definition of macro 'cpu_has' 118 | (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ | ^~~ arch/x86/kvm/x86.c:10209:6: note: in expansion of macro '__cr4_reserved_bits' 10209 | if (__cr4_reserved_bits(cpu_has, c) != | ^~~~~~~~~~~~~~~~~~~ In file included from arch/x86/kvm/cpuid.h:5, from arch/x86/kvm/mmu.h:7, from arch/x86/kvm/x86.c:22: arch/x86/kvm/x86.h:403:22: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_DE'? 403 | __reserved_bits |= X86_CR4_CET; \ | ^~~~~~~~~~~ arch/x86/kvm/x86.c:10209:6: note: in expansion of macro '__cr4_reserved_bits' 10209 | if (__cr4_reserved_bits(cpu_has, c) != | ^~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/kvm/cpuid.h:5, from arch/x86/kvm/cpuid.c:21: arch/x86/kvm/cpuid.c: In function 'kvm_vcpu_after_set_cpuid': >> arch/x86/kvm/x86.h:401:22: error: 'X86_FEATURE_SHSTK' undeclared (first use in this function); did you mean 'X86_FEATURE_EST'? 401 | if (!__cpu_has(__c, X86_FEATURE_SHSTK) && \ | ^~~~~~~~~~~~~~~~~ arch/x86/kvm/cpuid.c:185:6: note: in expansion of macro '__cr4_reserved_bits' 185 | __cr4_reserved_bits(guest_cpuid_has, vcpu); | ^~~~~~~~~~~~~~~~~~~ arch/x86/kvm/x86.h:401:22: note: each undeclared identifier is reported only once for each function it appears in 401 | if (!__cpu_has(__c, X86_FEATURE_SHSTK) && \ | ^~~~~~~~~~~~~~~~~ arch/x86/kvm/cpuid.c:185:6: note: in expansion of macro '__cr4_reserved_bits' 185 | __cr4_reserved_bits(guest_cpuid_has, vcpu); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/kvm/x86.h:402:22: error: 'X86_FEATURE_IBT' undeclared (first use in this function); did you mean 'X86_FEATURE_IBS'? 402 | !__cpu_has(__c, X86_FEATURE_IBT)) \ | ^~~~~~~~~~~~~~~ arch/x86/kvm/cpuid.c:185:6: note: in expansion of macro '__cr4_reserved_bits' 185 | __cr4_reserved_bits(guest_cpuid_has, vcpu); | ^~~~~~~~~~~~~~~~~~~ arch/x86/kvm/x86.h:403:22: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_MCE'? 403 | __reserved_bits |= X86_CR4_CET; \ | ^~~~~~~~~~~ arch/x86/kvm/cpuid.c:185:6: note: in expansion of macro '__cr4_reserved_bits' 185 | __cr4_reserved_bits(guest_cpuid_has, vcpu); | ^~~~~~~~~~~~~~~~~~~ vim +401 arch/x86/kvm/x86.h 380 381 #define __cr4_reserved_bits(__cpu_has, __c) \ 382 ({ \ 383 u64 __reserved_bits = CR4_RESERVED_BITS; \ 384 \ 385 if (!__cpu_has(__c, X86_FEATURE_XSAVE)) \ 386 __reserved_bits |= X86_CR4_OSXSAVE; \ 387 if (!__cpu_has(__c, X86_FEATURE_SMEP)) \ 388 __reserved_bits |= X86_CR4_SMEP; \ 389 if (!__cpu_has(__c, X86_FEATURE_SMAP)) \ 390 __reserved_bits |= X86_CR4_SMAP; \ 391 if (!__cpu_has(__c, X86_FEATURE_FSGSBASE)) \ 392 __reserved_bits |= X86_CR4_FSGSBASE; \ 393 if (!__cpu_has(__c, X86_FEATURE_PKU)) \ 394 __reserved_bits |= X86_CR4_PKE; \ 395 if (!__cpu_has(__c, X86_FEATURE_LA57)) \ 396 __reserved_bits |= X86_CR4_LA57; \ 397 if (!__cpu_has(__c, X86_FEATURE_UMIP)) \ 398 __reserved_bits |= X86_CR4_UMIP; \ 399 if (!__cpu_has(__c, X86_FEATURE_VMX)) \ 400 __reserved_bits |= X86_CR4_VMXE; \ > 401 if (!__cpu_has(__c, X86_FEATURE_SHSTK) && \ > 402 !__cpu_has(__c, X86_FEATURE_IBT)) \ 403 __reserved_bits |= X86_CR4_CET; \ 404 __reserved_bits; \ 405 }) 406 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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