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-rw-r--r--arch/x86/kvm/vmx/common.h2
-rw-r--r--arch/x86/kvm/vmx/vmx.c24
2 files changed, 17 insertions, 9 deletions
diff --git a/arch/x86/kvm/vmx/common.h b/arch/x86/kvm/vmx/common.h
index 1f2c2b4ee1da..8fe6a7fa1c68 100644
--- a/arch/x86/kvm/vmx/common.h
+++ b/arch/x86/kvm/vmx/common.h
@@ -177,4 +177,6 @@ static inline void __vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu,
kvm_vcpu_trigger_posted_interrupt(vcpu, POSTED_INTR_VECTOR);
}
+noinstr void vmx_handle_nmi(struct kvm_vcpu *vcpu);
+
#endif /* __KVM_X86_VMX_COMMON_H */
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 279ce9be8995..600e6766024f 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7214,6 +7214,20 @@ static fastpath_t vmx_exit_handlers_fastpath(struct kvm_vcpu *vcpu,
}
}
+noinstr void vmx_handle_nmi(struct kvm_vcpu *vcpu)
+{
+ if ((u16)vmx_get_exit_reason(vcpu).basic != EXIT_REASON_EXCEPTION_NMI ||
+ !is_nmi(vmx_get_intr_info(vcpu)))
+ return;
+
+ kvm_before_interrupt(vcpu, KVM_HANDLING_NMI);
+ if (cpu_feature_enabled(X86_FEATURE_FRED))
+ fred_entry_from_kvm(EVENT_TYPE_NMI, NMI_VECTOR);
+ else
+ vmx_do_nmi_irqoff();
+ kvm_after_interrupt(vcpu);
+}
+
static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
unsigned int flags)
{
@@ -7257,15 +7271,7 @@ static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
if (likely(!vmx_get_exit_reason(vcpu).failed_vmentry))
vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
- if ((u16)vmx_get_exit_reason(vcpu).basic == EXIT_REASON_EXCEPTION_NMI &&
- is_nmi(vmx_get_intr_info(vcpu))) {
- kvm_before_interrupt(vcpu, KVM_HANDLING_NMI);
- if (cpu_feature_enabled(X86_FEATURE_FRED))
- fred_entry_from_kvm(EVENT_TYPE_NMI, NMI_VECTOR);
- else
- vmx_do_nmi_irqoff();
- kvm_after_interrupt(vcpu);
- }
+ vmx_handle_nmi(vcpu);
out:
guest_state_exit_irqoff();