Re: [PATCH v2 1/1] s390_sthyi.2: New page for s390-specific s390_sthyi(2)

[QingFeng Hao <haoqf-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

在 2017/11/22 22:19, Michael Kerrisk (man-pages) 写道:
> 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.
Return values 1 and 2 are reserved currently, I'll add that like "Return 
value of 1
and 2 are reserved." Thanks!
>
> Cheers,
>
> Michael
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-- 
Regards
QingFeng Hao

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