diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index b326420ac883..a7ed06d88697 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -30,6 +30,7 @@ #include "lapic.h" #include "svm.h" #include "hyperv.h" +#include "pmu.h" #define CC KVM_NESTED_VMENTER_CONSISTENCY_CHECK @@ -1140,11 +1141,22 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu) return kvm_handle_memory_failure(vcpu, X86EMUL_IO_NEEDED, NULL); /* Advance RIP past VMRUN as part of the nested #VMEXIT. */ - return kvm_skip_emulated_instruction(vcpu); + if (!svm_skip_emulated_instruction(vcpu)) + return 0; + + kvm_pmu_instruction_retired(vcpu); + return 1; } - /* At this point, VMRUN is guaranteed to not fault; advance RIP. */ - ret = kvm_skip_emulated_instruction(vcpu); + /* + * At this point, VMRUN is guaranteed to not fault; advance RIP. + * + * FIXME: If TF is set on VMRUN should inject a #DB (or handle guest + * debugging) right after #VMEXIT, right now it's just ignored. + */ + ret = svm_skip_emulated_instruction(vcpu); + if (ret) + kvm_pmu_instruction_retired(vcpu); /* * Since vmcb01 is not in use, we can use it to store some of the L1 diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 62d374ceffc1..ab1014986b91 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -333,7 +333,7 @@ static int __svm_skip_emulated_instruction(struct kvm_vcpu *vcpu, return 1; } -static int svm_skip_emulated_instruction(struct kvm_vcpu *vcpu) +int svm_skip_emulated_instruction(struct kvm_vcpu *vcpu) { return __svm_skip_emulated_instruction(vcpu, EMULTYPE_SKIP, true); } diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 2b6733dffd76..e5d9984ef632 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -832,6 +832,8 @@ static inline void svm_enable_intercept_for_msr(struct kvm_vcpu *vcpu, svm_set_intercept_for_msr(vcpu, msr, type, true); } +int svm_skip_emulated_instruction(struct kvm_vcpu *vcpu); + /* nested.c */ #define NESTED_EXIT_HOST 0 /* Exit handled on host level */