From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756172AbbAWQNo (ORCPT ); Fri, 23 Jan 2015 11:13:44 -0500 Received: from www.linutronix.de ([62.245.132.108]:37526 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756161AbbAWQNk (ORCPT ); Fri, 23 Jan 2015 11:13:40 -0500 Date: Fri, 23 Jan 2015 17:13:19 +0100 (CET) From: Thomas Gleixner To: Borislav Petkov cc: LKML , Jiang Liu , Joerg Roedel , x86@kernel.org, Tony Luck Subject: Re: [patch 01/23] x86/apic: Avoid open coded x2apic detection In-Reply-To: Message-ID: References: <20150115210458.625399149@linutronix.de> <20150115211702.285038186@linutronix.de> <20150116095927.GA18880@pd.tnic> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 22 Jan 2015, Thomas Gleixner wrote: > On Fri, 16 Jan 2015, Borislav Petkov wrote: > > > > #define x2apic_supported() (cpu_has_x2apic) > > > > which does the cpufeature test. > > > > Can we agree on one interface only and simplify this a bit more? > > I think I do that later on, but will make sure. We can't do that some places want the cpu_has_x2apic check even when X2APIC=n. x2apic_supported() is compiled to 0 when X2APIC=n. Thanks, tglx