From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261159AbUGLSck (ORCPT ); Mon, 12 Jul 2004 14:32:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261405AbUGLSck (ORCPT ); Mon, 12 Jul 2004 14:32:40 -0400 Received: from mx1.redhat.com ([66.187.233.31]:36299 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261159AbUGLScg (ORCPT ); Mon, 12 Jul 2004 14:32:36 -0400 Date: Mon, 12 Jul 2004 14:29:16 -0400 (EDT) From: Ingo Molnar X-X-Sender: mingo@devserv.devel.redhat.com To: Christoph Hellwig cc: Jakub Jelinek , davidm@hpl.hp.com, suresh.b.siddha@intel.com, jun.nakajima@intel.com, Andrew Morton , Linus Torvalds , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: serious performance regression due to NX patch In-Reply-To: <20040712182431.GB28281@infradead.org> Message-ID: References: <200407100528.i6A5SF8h020094@napali.hpl.hp.com> <20040711123803.GD21264@devserv.devel.redhat.com> <20040712182431.GB28281@infradead.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Jul 2004, Christoph Hellwig wrote: > On Mon, Jul 12, 2004 at 02:08:11PM -0400, Ingo Molnar wrote: > > the #ifdef could be made an arch inline or define. But it's really > > academic as only ia64 seems to have this problem. So i'd suggest the patch > > below. > > Well, it's not. We probably want each new port start to have the ia64 > behaviour, so it should be abstracted out nicer. is it an issue? Each new port will have PT_GNU_STACK, unless they base themselves on old compilers. Ingo