Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752762Ab1EJUpN (ORCPT ); Tue, 10 May 2011 16:45:13 -0400 Received: from terminus.zytor.com ([198.137.202.10]:38119 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752659Ab1EJUpJ (ORCPT ); Tue, 10 May 2011 16:45:09 -0400 Message-ID: <4DC9A3A2.20000@zytor.com> Date: Tue, 10 May 2011 13:44:18 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9 MIME-Version: 1.0 To: Seiji Aguchi CC: Borislav Petkov , Greg KH , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "Luck, Tony" , "xiyou.wangcong@gmail.com" , "mikew@google.com" , "a.p.zijlstra@chello.nl" , Andrew Morton , "tj@kernel.org" , "fweisbec@gmail.com" , "dle-develop@lists.sourceforge.net" , Satoru Moriya Subject: Re: [RFC][PATCH] pstore: EFI Support References: <5C4C569E8A4B9B42A84A977CF070A35B2C16FB4712@USINDEVS01.corp.hds.com> <20110510161137.GA14522@kroah.com> <20110510165728.GC3347@gere.osrc.amd.com> <5C4C569E8A4B9B42A84A977CF070A35B2C16FB4815@USINDEVS01.corp.hds.com> In-Reply-To: <5C4C569E8A4B9B42A84A977CF070A35B2C16FB4815@USINDEVS01.corp.hds.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 738 Lines: 21 On 05/10/2011 12:18 PM, Seiji Aguchi wrote: > Hi, > > Thank you for your comments. > >> Btw, is this case of the possibility for APEI of corrupting NVRAM >> storage something you actually experienced on a real machine or simply a >> conclusion from looking at APEI code doing ioremap()? > > I simply concluded from looking at ioremap() of APEI code. > The thing is that you're effectively betting that the EFI method will be less broken than our kernels. That is not at all given... -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/