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DateSun, 12 Aug 2007 20:26:33 -0700 (PDT)
FromLinus Torvalds <>
SubjectRe: [PATCH] [1/12] x86: Work around mmio config space quirk on AMD Fam10h

On Sun, 12 Aug 2007, Dave Jones wrote:
> 
> This does make me wonder, why these weren't caught in -mm ?

I'm worried that -mm isn't getting a lot of exposure these days. People do 
run it, but I wonder how many..

That said, a lot of machines won't ever use MMCFG (especially the old ones 
- and most of the new ones would run x86-64), so that probably explains at 
least that one.

But the x86-64 alternates code would hit anybody who had the "use rep movs 
for best performance" code, and I'm surprised that one wasn't caught 
earlier. X86_FEATURE_REP_GOOD is not uncommon (Core 2 has it). So I assume 
that one wasn't really in -mm at all.

		Linus
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