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[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>
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@ -534,7 +534,7 @@ static __init void hardware_enable(void *garbage)
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u64 old;
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rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
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if ((old & 5) == 0)
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if ((old & 5) != 5)
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/* enable and lock */
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wrmsrl(MSR_IA32_FEATURE_CONTROL, old | 5);
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write_cr4(read_cr4() | CR4_VMXE); /* FIXME: not cpu hotplug safe */
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