copy
//0x2 bytes (sizeof)
union _KPRCB_BPB_STATE
{
    USHORT CpuIdle:1;                                                       //0x0
    USHORT FlushRsbOnTrap:1;                                                //0x0
    USHORT IbpbOnReturn:1;                                                  //0x0
    USHORT IbpbOnTrap:1;                                                    //0x0
    USHORT IbpbOnRetpolineExit:1;                                           //0x0
    USHORT FlushRsbOnReturn:1;                                              //0x0
    USHORT FlushRsbOnRetpolineExit:1;                                       //0x0
    USHORT FlushBhbOnTrap:1;                                                //0x0
    USHORT DivideOnReturn:1;                                                //0x0
    USHORT VerwOnNonKvaReturn:1;                                            //0x0
    USHORT Spare:6;                                                         //0x0
    USHORT AllFlags;                                                        //0x0
};