From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753590Ab1LLXmb (ORCPT ); Mon, 12 Dec 2011 18:42:31 -0500 Received: from terminus.zytor.com ([198.137.202.10]:43314 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751346Ab1LLXma (ORCPT ); Mon, 12 Dec 2011 18:42:30 -0500 Message-ID: <4EE69158.5080805@zytor.com> Date: Mon, 12 Dec 2011 15:42:16 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 MIME-Version: 1.0 To: Yinghai Lu CC: "Berck E. Nash" , Ingo Molnar , "linux-kernel@vger.kernel.org" , Suresh Siddha Subject: Re: x2apic boot failure on recent sandy bridge system References: <4EE2BC33.80902@gmail.com> <20111211075713.GA20790@elte.hu> <4EE5291C.1030302@gmail.com> In-Reply-To: X-Enigmail-Version: 1.3.4 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 12/11/2011 07:40 PM, Yinghai Lu wrote: > -v2: use x2apic_disabled instead of nox2apic, Suggested by Thomas > update x2apic_supported with x2apic_disabled, Suggested by Thomas This is ugly. Typically we have no- for boolean options. If we have a multivalue option it should be option=value, i.e. x2apic=disabled. We can allow x2apic_supported as a backwards compatibility option. -hpa