Because we will always borrow the AP reset vector space for AP waking up. We needn't allocate such range to prevent other module to use it. It could simply the code. https://bugzilla.tianocore.org/show_bug.cgi?id=500 Cc: Feng Tian <feng.tian@intel.com> Cc: Michael Kinney <michael.d.kinney@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>