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SubjectRe: Opteron bug
On Sun, 20 Jun 2004 15:07:59 +0200
Manfred Spraul <manfred@colorfullife.com> wrote:

> Andi wrote:
>
> >The kernel never uses backwards REP prefixes.
> >
> >
> Huh? memmove uses backwards rep movsb on x86-64, at least in 2.6.5:

Hmm, you're right. I forgot that. Ok, I will change it, although
it's unlikely to be a real problem.

> But the bug appears to be so rare that it shouldn't matter - lets wait
> for the microcode update. Btw, is there a runtime microcode updater for
> Opteron cpus, similar to the Intel microcode driver?

AMD seems to only release microcode updates to BIOS vendors.

-Andi

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