Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751967AbaAQAZm (ORCPT ); Thu, 16 Jan 2014 19:25:42 -0500 Received: from terminus.zytor.com ([198.137.202.10]:47202 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751642AbaAQAZk (ORCPT ); Thu, 16 Jan 2014 19:25:40 -0500 Message-ID: <52D87862.2080904@zytor.com> Date: Thu, 16 Jan 2014 16:25:06 -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: Henrique de Moraes Holschuh , Aravind Gopalakrishnan CC: Borislav Petkov , X86 ML , LKML , Kim Naru , Sherry Hurwitz Subject: Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793 References: <20140114114133.GA31473@khazad-dum.debian.net> <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> In-Reply-To: <20140117002123.GA9165@khazad-dum.debian.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/16/2014 04:21 PM, Henrique de Moraes Holschuh wrote: > On Thu, 16 Jan 2014, Aravind Gopalakrishnan wrote: >> We might want to still have a software fix for this just in case >> someone uses older BIOSes.. > > There is no "just in case" when it comes to someone using outdated firmware. > It is a *given*, except for hardware that is only used in HPC and multiple > (> 2) socket servers/workstations (which might be the case here, I don't > know what processors we're talking about). > > The vast majority of PC users will never update their firmware, unless the > update is automatically offered to them, and sometimes not even in that > case. > Yes, the real question is: did the broken BIOS ship in production systems? We don't care about engineering samples/beta boxes, but once it is sold as a product, it is real. -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/