Hello QingFeng, > +.SH RETURN VALUE > +On success, the return value of > +.BR s390_sthyi () > +matches the condition code of the STHYI instructions, which is a value > +between 0-3 (that is: emulation succeeded). > +Return value of 0 indicates that CPU capacity information is stored to > +.I buffer. > +Return value of 3 indicates "unsupported function code" and buffer's > +content is unchanged. Another question. What about the return values 1 and 2? Can they occur? If yes, we should explain them. If they are reserved for future use, we should say that. Cheers, Michael -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
