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-rw-r--r--arch/x86/kvm/vmx/nested.h16
-rw-r--r--arch/x86/kvm/vmx/vmx.c4
2 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx/nested.h b/arch/x86/kvm/vmx/nested.h
index e8f4a74f7251..d6112b3e9ecf 100644
--- a/arch/x86/kvm/vmx/nested.h
+++ b/arch/x86/kvm/vmx/nested.h
@@ -81,12 +81,16 @@ static inline bool nested_ept_ad_enabled(struct kvm_vcpu *vcpu)
}
/*
- * Reflect a VM Exit into L1.
+ * Conditionally reflect a VM-Exit into L1. Returns %true if the VM-Exit was
+ * reflected into L1.
*/
-static inline int nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu,
- u32 exit_reason)
+static inline bool nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu,
+ u32 exit_reason)
{
- u32 exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+ u32 exit_intr_info;
+
+ if (!nested_vmx_exit_reflected(vcpu, exit_reason))
+ return false;
/*
* At this point, the exit interruption info in exit_intr_info
@@ -94,6 +98,8 @@ static inline int nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu,
* we need to query the in-kernel LAPIC.
*/
WARN_ON(exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT);
+
+ exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
if ((exit_intr_info &
(INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
(INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) {
@@ -105,7 +111,7 @@ static inline int nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu,
nested_vmx_vmexit(vcpu, exit_reason, exit_intr_info,
vmcs_readl(EXIT_QUALIFICATION));
- return 1;
+ return true;
}
/*
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index aa1b8cf7c915..d92ed73b22da 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5905,8 +5905,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu,
*/
nested_mark_vmcs12_pages_dirty(vcpu);
- if (nested_vmx_exit_reflected(vcpu, exit_reason))
- return nested_vmx_reflect_vmexit(vcpu, exit_reason);
+ if (nested_vmx_reflect_vmexit(vcpu, exit_reason))
+ return 1;
}
if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) {