[RESEND][PATCH] KVM: VMX: Report VNMI emulation

[Jan Kiszka <jan.kiszka@siemens.com>]

In case we ever have to debug possibly NMI-related issues of the guest,
it may help to correlate them with the VNMI emulation for older VMX
CPUs.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 arch/x86/kvm/vmx.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: b/arch/x86/kvm/vmx.c
===================================================================
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3671,6 +3671,10 @@ static int __init vmx_init(void)
 
 	ept_sync_global();
 
+	if (!cpu_has_virtual_nmis())
+		printk(KERN_WARNING
+		       "kvm: emulating NMI window via interrupt window\n");
+
 	return 0;
 
 out2: