Re: Opteron bug
From: Andi Kleen
Date: Sun Jun 20 2004 - 14:50:56 EST
On Sun, 20 Jun 2004 15:07:59 +0200
Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> 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.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/