RFR: 8262491: AArch64: CPU description should contain compatible board list [v6]

[Yasumasa Suenaga]

On Wed, 3 Mar 2021 16:49:39 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> So I set `\0` to the tail of `buf` at L178.
>
>> So I set `\0` to the tail of `buf` at L178.
> 
> Which you then overwrite on Line 183. You really do need to move Line 174 to the end.
> I ran a test with the read fulling the whole buffer.

Thanks for your comment! I pushed new commit.

I issue `read()` with `buflen - 1` bytes, then I set `\0' to tail of `buf` after `read()`. And also `\0` will be converted to blank will happen when `read()` return 1 or greater. How about it?

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PR: https://git.openjdk.java.net/jdk/pull/2759