From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752211Ab1JRBMC (ORCPT ); Mon, 17 Oct 2011 21:12:02 -0400 Received: from out5.smtp.messagingengine.com ([66.111.4.29]:54890 "EHLO out5.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751498Ab1JRBMA (ORCPT ); Mon, 17 Oct 2011 21:12:00 -0400 X-Sasl-enc: 6YDehgtuNPxRsaGL8gjk9t8jRH1bYB7jgB671NaVrCTH 1318900319 Date: Mon, 17 Oct 2011 23:11:56 -0200 From: Henrique de Moraes Holschuh To: "H. Peter Anvin" Cc: Konrad Rzeszutek Wilk , Borislav Petkov , Jeremy Fitzhardinge , Xen Devel , the arch/x86 maintainers , Linux Kernel Mailing List , Jeremy Fitzhardinge , Tigran Aivazian , Ingo Molnar , Thomas Gleixner Subject: Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0 Message-ID: <20111018011156.GA20291@khazad-dum.debian.net> References: <4E95E7FE.6050302@goop.org> <20111012194543.GD14966@aftab> <20111012204048.GA22260@phenom.oracle.com> <4E960746.90805@zytor.com> <20111012214013.GD28723@aftab> <4E96198F.4030906@zytor.com> <20111013073352.GB501@aftab> <20111013095708.GA1862@aftab> <20111017170854.GE19756@phenom.dumpdata.com> <4E9C6886.20600@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4E9C6886.20600@zytor.com> X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 17 Oct 2011, H. Peter Anvin wrote: > On 10/17/2011 10:08 AM, Konrad Rzeszutek Wilk wrote: > > > > 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. And how do we apply new microcode at runtime? A new API? -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh