[PATCH 10/39] KVM: VMX: Add module parameter and emulation flag.

[Avi Kivity]

From: Mohammed Gamal <m.gamal005@xxxxxxxxx>

The patch adds the module parameter required to enable emulating invalid
guest state, as well as the emulation_required flag used to drive
emulation whenever needed.

Signed-off-by: Mohammed Gamal <m.gamal005@xxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
 arch/x86/kvm/vmx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e889b76..7c5f611 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -49,6 +49,9 @@ module_param(flexpriority_enabled, bool, 0);
 static int enable_ept = 1;
 module_param(enable_ept, bool, 0);
 
+static int emulate_invalid_guest_state = 0;
+module_param(emulate_invalid_guest_state, bool, 0);
+
 struct vmcs {
 	u32 revision_id;
 	u32 abort;
@@ -86,6 +89,7 @@ struct vcpu_vmx {
 		} irq;
 	} rmode;
 	int vpid;
+	bool emulation_required;
 };
 
 static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
-- 
1.6.0.1

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