lkml.org 
[lkml]   [2000]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [patch] string-486.h modified
Date
From
> 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)


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:38    [W:0.062 / U:1.444 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site