+ //\r
+ // IA32 Stack Guard need use task switch to switch stack that need\r
+ // write GDT and TSS, so AllocateCodePages() could not be used here\r
+ // as code pages will be set to RO. \r
+ //\r
+ GdtTssTables = (UINT8*)AllocatePages (EFI_SIZE_TO_PAGES (mGdtBufferSize));\r