Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753023AbaAQRnV (ORCPT ); Fri, 17 Jan 2014 12:43:21 -0500 Received: from terminus.zytor.com ([198.137.202.10]:58183 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751973AbaAQRnT (ORCPT ); Fri, 17 Jan 2014 12:43:19 -0500 Message-ID: <52D96B9D.703@zytor.com> Date: Fri, 17 Jan 2014 09:42:53 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Borislav Petkov CC: Henrique de Moraes Holschuh , Aravind Gopalakrishnan , X86 ML , LKML , Kim Naru , Sherry Hurwitz Subject: Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793 References: <20140114115547.GA29887@pd.tnic> <52D55468.6000000@zytor.com> <20140114153534.GE29865@pd.tnic> <20140114162722.GF29865@pd.tnic> <52D59ACC.3090100@amd.com> <20140114203848.GP29865@pd.tnic> <52D81DB5.7000608@amd.com> <20140117002123.GA9165@khazad-dum.debian.net> <20140117101842.GB8715@pd.tnic> <52D958FC.9020700@zytor.com> <20140117170213.GG8715@pd.tnic> In-Reply-To: <20140117170213.GG8715@pd.tnic> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/17/2014 09:02 AM, Borislav Petkov wrote: > > No, you don't. :-) > > You would much prefer to have the workaround done in the BIOS and only > if there's a coverage hole, only then to do it in the kernel. > Hence the question: did an unfixed BIOS ever make it into a shipping production system? Because if it did, we do have a coverage hole. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/