KVM: VMX: Avoid exit when setting cr8 if the local apic is in the kernel
With apic in userspace, we must exit to userspace after a cr8 write in order
to update the tpr. But if the apic is in the kernel, the exit is unnecessary.
Noticed by Joerg Roedel.
Signed-off-by: NAvi Kivity <avi@qumranet.com>
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