tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 990be7492566e0cfb03f18b813b905a67bf29ef1 commit: c499a3120204c834ff963c43d90a5ff33194b34c [3227/3227] KVM: SVM: Add support for booting APs in an SEV-ES guest config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20251013/202510132118.GCFTQYLt-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 39f292ffa13d7ca0d1edff27ac8fd55024bb4d19) rustc: rustc 1.58.0 (02072b482 2022-01-11) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251013/202510132118.GCFTQYLt-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202510132118.GCFTQYLt-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/x86/kvm/x86.c:809:5: warning: no previous prototype for function 'kvm_read_guest_page_mmu' [-Wmissing-prototypes] 809 | int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, | ^ arch/x86/kvm/x86.c:809:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 809 | int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, | ^ | static

...

arch/x86/kvm/x86.c:8661:5: warning: no previous prototype for function '__kvm_vcpu_halt' [-Wmissing-prototypes] 8661 | int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason) | ^ arch/x86/kvm/x86.c:8661:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 8661 | int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason) | ^ | static 2 warnings generated.

vim +/__kvm_vcpu_halt +8661 arch/x86/kvm/x86.c 8660

8661 int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason) 8662 { 8663 ++vcpu->stat.halt_exits; 8664 if (lapic_in_kernel(vcpu)) { 8665 vcpu->arch.mp_state = state; 8666 return 1; 8667 } else { 8668 vcpu->run->exit_reason = reason; 8669 return 0; 8670 } 8671 } 8672

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