[PATCH] KVM: Re-fix vmx hardware_enable() on macbooks

[Avi Kivity]

This incremental patch fixes the macbook issue for real.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Tested-by: Alex Larsson (sometimes testing helps)

------------------------------------------------------------------------
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -534,7 +534,7 @@ static __init void hardware_enable(void 
 	u64 old;
 
 	rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
-	if ((old & 4) == 0)
+	if ((old & 5) != 5)
 		/* enable and lock */
 		wrmsrl(MSR_IA32_FEATURE_CONTROL, old | 5);
 	write_cr4(read_cr4() | CR4_VMXE); /* FIXME: not cpu hotplug safe */
-
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