When CpuCommonFeaturesLib use RegisterCpuFeaturesLib to register CPU features, the CpuFeaturesData->BitMaskSize has already been initialized. So delete redundant PcdGetSize PcdCpuFeaturesSupport in CpuInitDataInitialize. Cc: Eric Dong <eric.dong@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Bell Song <binx.song@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>