Re: [patch] string-486.h modified

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Sep 01 2000 - 16:38:41 EDT

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> However, in 2.5.0 we should apply it, and force it on *all* cpus just
> to test it well. Then in 2.5.10 we should turn it off for
> pentium/MMX+.

Even original pentium has hardware optimised rep movs fast paths. Its just
a few cpus they disable it via undocumented magic (ditto it seems a couple
of PII chip steppings judging by msr usage traces of bioses coming up in
bochs)

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