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From: Andi Kleen <ak@suse.de>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org, rjwysocki@sisk.pl
Subject: Re: Opteron bug
Date: Sun, 20 Jun 2004 23:49:59 +0200	[thread overview]
Message-ID: <20040620234959.667ef8a2.ak@suse.de> (raw)
In-Reply-To: <40D58C2F.3010508@colorfullife.com>

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
 

  reply	other threads:[~2004-06-20 19:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-20 13:07 Opteron bug Manfred Spraul
2004-06-20 21:49 ` Andi Kleen [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-06-19 20:29 R. J. Wysocki
2004-06-20 13:22 ` Andi Kleen
2004-06-20 11:47   ` R. J. Wysocki
2004-06-20 12:02     ` Jakub Jelinek
     [not found]       ` <200406210254.53124.vda@port.imtp.ilyichevsk.odessa.ua>
2004-06-21  5:29         ` Jakub Jelinek
2004-06-20 13:49     ` Andi Kleen

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