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Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode upd

from [H. Peter Anvin] [Permanent Link][Original]
To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Mon, 17 Oct 2011 10:40:22 -0700
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tigran Aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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On 10/17/2011 10:08 AM, Konrad Rzeszutek Wilk wrote:
> 
> <scratches his head>
> You are still using the microcode API (the existing one) to
> program the CPUs right? It is just that you are fetching the images
> much much earlier than it currently is done?
> 

No, the goal is to ditch the existing API and load the CPUs very early
in the start path.

        -hpa

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