[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: Avi Kivity <avi@qumranet.com>
Tested-by: Alex Larsson (sometimes testing helps)
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index ea3bdbb..f0f0b1a 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -534,7 +534,7 @@
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 */