From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753324AbaIAKTe (ORCPT ); Mon, 1 Sep 2014 06:19:34 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:51603 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752577AbaIAKTd (ORCPT ); Mon, 1 Sep 2014 06:19:33 -0400 X-Sasl-enc: by0gF7GvqBrB233197R136GgaWr8Lb0o6PbYrdwesnsf 1409566771 Date: Mon, 1 Sep 2014 07:19:19 -0300 From: Henrique de Moraes Holschuh To: Borislav Petkov Cc: "H. Peter Anvin" , Fenghua Yu , linux-kernel@vger.kernel.org Subject: Re: early microcode: how to disable at runtime? Message-ID: <20140901101919.GA2902@khazad-dum.debian.net> References: <20140809231911.GA4843@khazad-dum.debian.net> <20140831194548.GA12628@khazad-dum.debian.net> <54037C07.8060703@zytor.com> <20140831201126.GB12628@khazad-dum.debian.net> <20140901051302.GA28402@nazgul.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140901051302.GA28402@nazgul.tnic> X-GPG-Fingerprint1: 4096R/39CB4807 C467 A717 507B BAFE D3C1 6092 0BD9 E811 39CB 4807 X-GPG-Fingerprint2: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 01 Sep 2014, Borislav Petkov wrote: > On Sun, Aug 31, 2014 at 05:11:26PM -0300, Henrique de Moraes Holschuh wrote: > > > Probably more like something more like arch/x86/boot/cmdline.c. Maybe > > > we could even make it sharable. > > > > Looks like that would work, yes. > > Guys, guys, please relax and check the code first: "dis_ucode_ldr". Thanks! Now we just need it added to Documentation/kernel-parameters.txt and to get it backported to -stable. This parameter is not a "debugging aid", it is a "save the day" bug workaround aid... I can't say I like the parameter name, though :p -- "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