Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on next-20200326] [cannot apply to vhost/linux-next tip/auto-latest linus/master linux/master v5.6-rc7] [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/20200327-040801 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: x86_64-randconfig-g001-20200327 (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/kvm_host.h:36:0, from arch/x86/kvm/emulate.c:21: arch/x86/kvm/emulate.c: In function 'check_cr_write': >> arch/x86/include/asm/kvm_host.h:99:8: error: 'X86_CR4_CET' undeclared (first use in this function); did you mean 'X86_CR4_PCE'? | X86_CR4_CET)) ^ arch/x86/kvm/emulate.c:4206:3: note: in expansion of macro 'CR4_RESERVED_BITS' CR4_RESERVED_BITS, ^~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:99:8: note: each undeclared identifier is reported only once for each function it appears in | X86_CR4_CET)) ^ arch/x86/kvm/emulate.c:4206:3: note: in expansion of macro 'CR4_RESERVED_BITS' CR4_RESERVED_BITS, ^~~~~~~~~~~~~~~~~ vim +99 arch/x86/include/asm/kvm_host.h 51 52 #define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \ 53 KVM_DIRTY_LOG_INITIALLY_SET) 54 55 /* x86-specific vcpu->requests bit members */ 56 #define KVM_REQ_MIGRATE_TIMER KVM_ARCH_REQ(0) 57 #define KVM_REQ_REPORT_TPR_ACCESS KVM_ARCH_REQ(1) 58 #define KVM_REQ_TRIPLE_FAULT KVM_ARCH_REQ(2) 59 #define KVM_REQ_MMU_SYNC KVM_ARCH_REQ(3) 60 #define KVM_REQ_CLOCK_UPDATE KVM_ARCH_REQ(4) 61 #define KVM_REQ_LOAD_MMU_PGD KVM_ARCH_REQ(5) 62 #define KVM_REQ_EVENT KVM_ARCH_REQ(6) 63 #define KVM_REQ_APF_HALT KVM_ARCH_REQ(7) 64 #define KVM_REQ_STEAL_UPDATE KVM_ARCH_REQ(8) 65 #define KVM_REQ_NMI KVM_ARCH_REQ(9) 66 #define KVM_REQ_PMU KVM_ARCH_REQ(10) 67 #define KVM_REQ_PMI KVM_ARCH_REQ(11) 68 #define KVM_REQ_SMI KVM_ARCH_REQ(12) 69 #define KVM_REQ_MASTERCLOCK_UPDATE KVM_ARCH_REQ(13) 70 #define KVM_REQ_MCLOCK_INPROGRESS \ 71 KVM_ARCH_REQ_FLAGS(14, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) 72 #define KVM_REQ_SCAN_IOAPIC \ 73 KVM_ARCH_REQ_FLAGS(15, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) 74 #define KVM_REQ_GLOBAL_CLOCK_UPDATE KVM_ARCH_REQ(16) 75 #define KVM_REQ_APIC_PAGE_RELOAD \ 76 KVM_ARCH_REQ_FLAGS(17, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) 77 #define KVM_REQ_HV_CRASH KVM_ARCH_REQ(18) 78 #define KVM_REQ_IOAPIC_EOI_EXIT KVM_ARCH_REQ(19) 79 #define KVM_REQ_HV_RESET KVM_ARCH_REQ(20) 80 #define KVM_REQ_HV_EXIT KVM_ARCH_REQ(21) 81 #define KVM_REQ_HV_STIMER KVM_ARCH_REQ(22) 82 #define KVM_REQ_LOAD_EOI_EXITMAP KVM_ARCH_REQ(23) 83 #define KVM_REQ_GET_VMCS12_PAGES KVM_ARCH_REQ(24) 84 #define KVM_REQ_APICV_UPDATE \ 85 KVM_ARCH_REQ_FLAGS(25, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) 86 87 #define CR0_RESERVED_BITS \ 88 (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ 89 | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ 90 | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) 91 92 #define CR4_RESERVED_BITS \ 93 (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ 94 | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ 95 | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \ 96 | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \ 97 | X86_CR4_OSXMMEXCPT | X86_CR4_LA57 | X86_CR4_VMXE \ 98 | X86_CR4_SMAP | X86_CR4_PKE | X86_CR4_UMIP \ > 99 | X86_CR4_CET)) 100 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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