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-rw-r--r--arch/x86/kvm/vmx/nested.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index bb3a7030eb39..b347d975589d 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3504,6 +3504,18 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
* L2 to IDT_VECTORING_INFO_FIELD.
*/
vmcs12_save_pending_event(vcpu, vmcs12);
+
+ /*
+ * According to spec, there's no need to store the guest's
+ * MSRs if the exit is due to a VM-entry failure that occurs
+ * during or after loading the guest state. Since this exit
+ * does not fall in that category, we need to save the MSRs.
+ */
+ if (nested_vmx_store_msr(vcpu,
+ vmcs12->vm_exit_msr_store_addr,
+ vmcs12->vm_exit_msr_store_count))
+ nested_vmx_abort(vcpu,
+ VMX_ABORT_SAVE_GUEST_MSR_FAIL);
}
/*
@@ -3835,10 +3847,6 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
* immutable.
*/
nested_flush_cached_shadow_vmcs12(vcpu, vmcs12);
-
- if (nested_vmx_store_msr(vcpu, vmcs12->vm_exit_msr_store_addr,
- vmcs12->vm_exit_msr_store_count))
- nested_vmx_abort(vcpu, VMX_ABORT_SAVE_GUEST_MSR_FAIL);
} else {
/*
* The only expected VM-instruction error is "VM entry with