CPU_FTRS_POSSIBLE
(CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature));
if (!(CPU_FTRS_POSSIBLE & feature))
(CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \
~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \
CPU_FTRS_POSSIBLE,
(unsigned long)CPU_FTRS_POSSIBLE);