From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757098AbZGESap (ORCPT ); Sun, 5 Jul 2009 14:30:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753494AbZGESai (ORCPT ); Sun, 5 Jul 2009 14:30:38 -0400 Received: from terminus.zytor.com ([198.137.202.10]:32994 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752495AbZGESah (ORCPT ); Sun, 5 Jul 2009 14:30:37 -0400 Message-ID: <4A50E323.6060109@zytor.com> Date: Sun, 05 Jul 2009 10:30:11 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: "Maciej W. Rozycki" CC: Cyrill Gorcunov , Ingo Molnar , Thomas Gleixner , Yinghai Lu , LKML Subject: Re: [RFC -tip] x86,apic -- reduce disable_apic usage References: <20090705162044.GC4791@lenovo> In-Reply-To: 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 Maciej W. Rozycki wrote: > > How do you set cpu_has_apic for systems with discrete local APICs? The > CPUID flag is not set in this case. > Well, should it be? We do set flags when they're appropriate to us, and if the semantics are such as that is inappropriate we can set a custom bit. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.