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

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It seems macbooks set bit 2 but not bit 0, which is an "enabled but vmxon will
fault" setting.

Signed-off-by: Avi Kivity <[email protected]>
Tested-by: Alex Larsson (sometimes testing helps)
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Avi Kivity 2006-12-13 00:34:16 -08:00 • committed by Linus Torvalds
commit bfdc0c280a
1 changed files with 1 additions and 1 deletions
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2
drivers/kvm/vmx.c
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@ -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 */