KVM: VMX: Emulate invalid guest state by default

Our emulation should be complete enough that we can emulate guests
while they are in big real mode, or in a mode transition that is not
virtualizable without unrestricted guest support.

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c61eb34..a2b9dd9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -74,7 +74,7 @@
 static bool __read_mostly enable_ept_ad_bits = 1;
 module_param_named(eptad, enable_ept_ad_bits, bool, S_IRUGO);
 
-static bool __read_mostly emulate_invalid_guest_state = 0;
+static bool __read_mostly emulate_invalid_guest_state = true;
 module_param(emulate_invalid_guest_state, bool, S_IRUGO);
 
 static bool __read_mostly vmm_exclusive = 1;