From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Mon, 12 Jul 2004 19:10:28 +0000 Subject: Re: serious performance regression due to NX patch Message-Id: <16626.57892.533203.683465@napali.hpl.hp.com> List-Id: References: <200407100528.i6A5SF8h020094@napali.hpl.hp.com> <20040711123803.GD21264@devserv.devel.redhat.com> <20040712182431.GB28281@infradead.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ingo Molnar Cc: Christoph Hellwig , 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 >>>>> On Mon, 12 Jul 2004 14:29:16 -0400 (EDT), Ingo Molnar said: >> Well, it's not. We probably want each new port start to have the ia64 >> behaviour, so it should be abstracted out nicer. Ingo> is it an issue? Each new port will have PT_GNU_STACK, unless they base Ingo> themselves on old compilers. PT_GNU_STACK is pure bloat on new architectures (and ia64). --david From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261169AbUGLTKk (ORCPT ); Mon, 12 Jul 2004 15:10:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261474AbUGLTKk (ORCPT ); Mon, 12 Jul 2004 15:10:40 -0400 Received: from palrel12.hp.com ([156.153.255.237]:16082 "EHLO palrel12.hp.com") by vger.kernel.org with ESMTP id S261184AbUGLTKh (ORCPT ); Mon, 12 Jul 2004 15:10:37 -0400 From: David Mosberger MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16626.57892.533203.683465@napali.hpl.hp.com> Date: Mon, 12 Jul 2004 12:10:28 -0700 To: Ingo Molnar Cc: Christoph Hellwig , 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: References: <200407100528.i6A5SF8h020094@napali.hpl.hp.com> <20040711123803.GD21264@devserv.devel.redhat.com> <20040712182431.GB28281@infradead.org> X-Mailer: VM 7.18 under Emacs 21.3.1 Reply-To: davidm@hpl.hp.com X-URL: http://www.hpl.hp.com/personal/David_Mosberger/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>>>> On Mon, 12 Jul 2004 14:29:16 -0400 (EDT), Ingo Molnar said: >> Well, it's not. We probably want each new port start to have the ia64 >> behaviour, so it should be abstracted out nicer. Ingo> is it an issue? Each new port will have PT_GNU_STACK, unless they base Ingo> themselves on old compilers. PT_GNU_STACK is pure bloat on new architectures (and ia64). --david