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xen-devel
[Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0 |
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From: |
Borislav Petkov <bp@xxxxxxxxx> |
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Date: |
Thu, 13 Oct 2011 00:38:37 +0200 |
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Cc: |
Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tigran Aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx> |
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Delivery-date: |
Mon, 17 Oct 2011 03:36:03 -0700 |
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<4E9615B8.6010507@xxxxxxxx> |
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References: |
<cover.1317060617.git.jeremy.fitzhardinge@xxxxxxxxxx> <4E94E1E5.4070505@xxxxxxxx> <20111012101615.GA14966@aftab> <4E95D9E7.6090304@xxxxxxxxx> <4E95E7FE.6050302@xxxxxxxx> <20111012194543.GD14966@aftab> <4E96146C.5070701@xxxxxxxx> <4E9614AE.1060508@xxxxxxxxx> <4E9615B8.6010507@xxxxxxxx> |
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Mutt/1.5.21 (2010-09-15) |
On Wed, Oct 12, 2011 at 06:33:28PM -0400, Jeremy Fitzhardinge wrote:
> On 10/12/2011 03:29 PM, H. Peter Anvin wrote:
> > On 10/12/2011 03:27 PM, Jeremy Fitzhardinge wrote:
> >>
> >> The current scheme has worked pretty well so far; there doesn't seem to
> >> be a huge concern about it. Have there been actual observed failures
> >> with the current mechanism, or is the drive to make it earlier driven by
> >> an aesthetic desire to make it "as it should be"?
> >>
> >
> > Yes, there has. There is at least one case where we have to print an
> > error message saying "update your BIOS" because our current microcode
> > update is too late.
>
> Is that K8 errata 93 or something else?
AFAIR, that was an Atom erratum fix.
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
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