linux-kernel - Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0

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Message-ID: <4E96198F.4030906@zytor.com>
Date:	Wed, 12 Oct 2011 15:49:51 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...64.org>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Xen Devel <xen-devel@...ts.xensource.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen
 dom0

The stickiest part of all of this is where to leave the microcode so the 
kernel can get to it way early.  We could use the linked list, but that 
would mean bootloader enabling; another idea was to stick it as a prefix 
to the initramfs identified by a signature.

	-hpa

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