From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen
 dom0
Date: Wed, 12 Oct 2011 15:34:48 -0700
Message-ID: <4E961608.6060802@zytor.com>
References: <cover.1317060617.git.jeremy.fitzhardinge@citrix.com> <4E94E1E5.4070505@goop.org> <20111012101615.GA14966@aftab> <4E95D9E7.6090304@zytor.com> <4E95E7FE.6050302@goop.org> <20111012194543.GD14966@aftab> <4E96146C.5070701@goop.org> <4E9614AE.1060508@zytor.com> <4E9615B8.6010507@goop.org>
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Borislav Petkov <bp@amd64.org>, the arch/x86 maintainers <x86@kernel.org>, Tigran Aivazian <tigran@aivazian.fsnet.co.uk>, Xen Devel <xen-devel@lists.xensource.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>, Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
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On 10/12/2011 03:33 PM, Jeremy Fitzhardinge wrote:
>>
>> 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?
>

The one I'm thinking about is an Atom erratum, but it's entirely 
possible there are others.

	-hpa