[PATCH] KVM: Fix vmx hardware_enable() on macbooks

It seems macbooks set bit 2 but not bit 0, which is an "enabled but vmxon will
fault" setting.
Signed-off-by: NAvi Kivity <avi@qumranet.com>
Tested-by: Alex Larsson (sometimes testing helps)
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/kvm/vmx.c

@@ -534,7 +534,7 @@ static __init void hardware_enable(void *garbage)
 	u64 old;
 
 	rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
-	if ((old & 5) == 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 */