Messages in this thread | | | Date | Thu, 1 Jul 2021 08:38:07 +0800 | From | kernel test robot <> | Subject | tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception' |
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Hi Paolo,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 440462198d9c45e48f2d8d9b18c5702d92282f46 commit: b8917b4ae44d1b945f6fba3d8ee6777edb44633b Merge tag 'kvmarm-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD date: 5 days ago config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8917b4ae44d1b945f6fba3d8ee6777edb44633b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b8917b4ae44d1b945f6fba3d8ee6777edb44633b # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests install
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
x86_64/hyperv_features.c: In function 'main': x86_64/hyperv_features.c:618:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 618 | vm_handle_exception(vm, GP_VECTOR, guest_gp_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/ccHVDiCb.o: in function `main': >> tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception' >> collect2: error: ld returned 1 exit status -- x86_64/mmu_role_test.c: In function 'mmu_role_test': x86_64/mmu_role_test.c:74:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 74 | vm_handle_exception(vm, PF_VECTOR, guest_pf_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/ccbPeCPt.o: in function `mmu_role_test': >> tools/testing/selftests/kvm/x86_64/mmu_role_test.c:74: undefined reference to `vm_handle_exception' >> collect2: error: ld returned 1 exit status -- x86_64/hyperv_features.c: In function 'main': x86_64/hyperv_features.c:618:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 618 | vm_handle_exception(vm, GP_VECTOR, guest_gp_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/cc9s0XgX.o: in function `main': >> tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception' >> collect2: error: ld returned 1 exit status -- x86_64/mmu_role_test.c: In function 'mmu_role_test': x86_64/mmu_role_test.c:74:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 74 | vm_handle_exception(vm, PF_VECTOR, guest_pf_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/cc0l2qLq.o: in function `mmu_role_test': >> tools/testing/selftests/kvm/x86_64/mmu_role_test.c:74: undefined reference to `vm_handle_exception' >> collect2: error: ld returned 1 exit status
vim +618 tools/testing/selftests/kvm/x86_64/hyperv_features.c
e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 593 e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 594 int main(void) e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 595 { e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 596 struct kvm_cpuid2 *best; e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 597 struct kvm_vm *vm; e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 598 vm_vaddr_t msr_gva, hcall_page, hcall_params; e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 599 struct kvm_enable_cap cap = { e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 600 .cap = KVM_CAP_HYPERV_ENFORCE_CPUID, e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 601 .args = {1} e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 602 }; e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 603 e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 604 /* Test MSRs */ e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 605 vm = vm_create_default(VCPU_ID, 0, guest_msr); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 606 a9db9609c0e41d Sean Christopherson 2021-06-22 607 msr_gva = vm_vaddr_alloc_page(vm); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 608 memset(addr_gva2hva(vm, msr_gva), 0x0, getpagesize()); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 609 vcpu_args_set(vm, VCPU_ID, 1, msr_gva); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 610 vcpu_enable_cap(vm, VCPU_ID, &cap); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 611 e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 612 vcpu_set_hv_cpuid(vm, VCPU_ID); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 613 e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 614 best = kvm_get_supported_hv_cpuid(); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 615 e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 616 vm_init_descriptor_tables(vm); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 617 vcpu_init_descriptor_tables(vm, VCPU_ID); e2e1cc1fbe54a9 Vitaly Kuznetsov 2021-05-21 @618 vm_handle_exception(vm, GP_VECTOR, guest_gp_handler);
:::::: The code at line 618 was first introduced by commit :::::: e2e1cc1fbe54a9520956a4539a3676d2ebf122dd KVM: selftests: Introduce hyperv_features test
:::::: TO: Vitaly Kuznetsov <vkuznets@redhat.com> :::::: CC: Paolo Bonzini <pbonzini@redhat.com>
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