From 119a9c01a5922600a78106d9bbdd6aaafc851a27 Mon Sep 17 00:00:00 2001
From: Jan Dakinevich <jan.dakinevich@gmail.com>
Date: Sun, 4 Sep 2016 21:22:47 +0300
Subject: KVM: nVMX: pass valid guest linear-address to the L1

If EPT support is exposed to L1 hypervisor, guest linear-address field
of VMCS should contain GVA of L2, the access to which caused EPT violation.

Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
Reviewed-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ccb0356..4c1a814 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -10500,6 +10500,9 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
 		vmcs12->guest_pdptr3 = vmcs_read64(GUEST_PDPTR3);
 	}
 
+	if (nested_cpu_has_ept(vmcs12))
+		vmcs12->guest_linear_address = vmcs_readl(GUEST_LINEAR_ADDRESS);
+
 	if (nested_cpu_has_vid(vmcs12))
 		vmcs12->guest_intr_status = vmcs_read16(GUEST_INTR_STATUS);
 
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