From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756406AbZERPlT (ORCPT ); Mon, 18 May 2009 11:41:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754630AbZERPlL (ORCPT ); Mon, 18 May 2009 11:41:11 -0400 Received: from g4t0017.houston.hp.com ([15.201.24.20]:22028 "EHLO g4t0017.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754537AbZERPlK (ORCPT ); Mon, 18 May 2009 11:41:10 -0400 From: Bjorn Helgaas To: Yinghai Lu Subject: Re: [PATCH] x86: add X86_UPDATE_MPTABLE option Date: Mon, 18 May 2009 09:41:05 -0600 User-Agent: KMail/1.9.10 Cc: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Jesse Barnes , "linux-kernel@vger.kernel.org" , linux-pci@vger.kernel.org References: <4A0DC7DC.7000204@kernel.org> <4A0EED8B.6040704@kernel.org> In-Reply-To: <4A0EED8B.6040704@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200905180941.06988.bjorn.helgaas@hp.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 16 May 2009 10:44:59 am Yinghai Lu wrote: > +config X86_UPDATE_MPTABLE > + bool "Enable update mptable according to acpi" if ACPI > + default n > + depends on X86_MPPARSE && ACPI Is this any use without CONFIG_KEXEC? Maybe it should depend on KEXEC as well? Or maybe we don't need a new option at all, and could just put this code under CONFIG_KEXEC directly. > + ---help--- > + some systems do not have correct mptable. with "update_mptable" or > + "alloc_mptable" kernel could try to update mptable according to DSDT. > + Then could use kexec to start second kernel (even old) without acpi > + support or "acpi=off" Please use English conventions such as starting sentences with capital letters and capitalizing thing like "ACPI." Bjorn