no need for a stack on exit() since u gets freed in a different context, also s/P_MD/P_MD_REGS
no need for a stack on exit() since u gets freed in a different context, also s/P_MD/P_MD_REGS

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars