MWAIT_IN_IDLE
if ((ci->ci_mwait & MWAIT_IN_IDLE) == 0)
#define MWAIT_IDLING (MWAIT_IN_IDLE | MWAIT_KEEP_IDLING)
if ((ci->ci_mwait & MWAIT_IN_IDLE) == 0)
#define MWAIT_IDLING (MWAIT_IN_IDLE | MWAIT_KEEP_IDLING)