From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755208Ab0C2JMA (ORCPT ); Mon, 29 Mar 2010 05:12:00 -0400 Received: from casper.infradead.org ([85.118.1.10]:49167 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755077Ab0C2JLh (ORCPT ); Mon, 29 Mar 2010 05:11:37 -0400 Subject: Re: [RFC patch] extable and module add object is static From: Peter Zijlstra To: Lai Jiangshan Cc: Mathieu Desnoyers , "Paul E. McKenney" , akpm@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org, dipankar@in.ibm.com, josh@joshtriplett.org, dvhltc@us.ibm.com, niv@us.ibm.com, tglx@linutronix.de, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, adobriyan@gmail.com In-Reply-To: <4BB004ED.5060106@cn.fujitsu.com> References: <20100327153233.993367557@efficios.com> <20100327224606.GK2343@linux.vnet.ibm.com> <20100327231421.GA4685@Krystal> <20100327232024.GB4685@Krystal> <20100327234314.GL2343@linux.vnet.ibm.com> <20100328000234.GA4924@Krystal> <4BB004ED.5060106@cn.fujitsu.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 29 Mar 2010 10:53:34 +0200 Message-ID: <1269852814.12097.167.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2010-03-29 at 09:39 +0800, Lai Jiangshan wrote: > Mathieu Desnoyers wrote: > > +static int core_object_is_static(void *obj) > > +{ > [...] > > + if (addr >= (unsigned long)__per_cpu_start && > > + addr <= (unsigned long)__per_cpu_end) > > + return 1; > > This may only correct for UP. > You may need arch-special codes for SMP. > Tejun has patches for this.