From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754029AbaCBX5i (ORCPT ); Sun, 2 Mar 2014 18:57:38 -0500 Received: from terminus.zytor.com ([198.137.202.10]:47923 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753681AbaCBX5g (ORCPT ); Sun, 2 Mar 2014 18:57:36 -0500 Message-ID: <5313C54D.3020603@zytor.com> Date: Sun, 02 Mar 2014 15:57:01 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: "Li, Aubrey" , Matthew Garrett CC: "H. Peter Anvin" , "alan@linux.intel.com" , linux-kernel@vger.kernel.org, Len.Brown@intel.com, Adam Williamson Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop References: <53110977.8080907@linux.intel.com> <53121496.8060603@linux.intel.com> <20140301172256.GA29417@srcf.ucam.org> <53123DCF.7040500@zytor.com> <20140301202139.GA9759@srcf.ucam.org> <53127AA7.8040700@linux.intel.com> <53127C4B.1060505@zytor.com> <53128DA0.9060105@linux.intel.com> <53129256.6060704@zytor.com> <20140302022334.GA1131@srcf.ucam.org> <53130A46.1010801@linux.intel.com> <5313AD1B.6050403@linux.intel.com> In-Reply-To: <5313AD1B.6050403@linux.intel.com> 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 03/02/2014 02:13 PM, Li, Aubrey wrote: > > No really. Given that we add all of the known methods into the default > list, and BIOS is the last method, if your system hits BIOS, that means > ACPI/KBD/EFI/PCI can't make your system reboot, so BIOS should make it > work. > Or it means the KBD port had delayed effects -- this is the really ugly one. But yes, I suspect that sequence is the best that we can currently come up with... -hpa