Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754729AbZJUVKM (ORCPT ); Wed, 21 Oct 2009 17:10:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753803AbZJUVKL (ORCPT ); Wed, 21 Oct 2009 17:10:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28492 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753701AbZJUVKK (ORCPT ); Wed, 21 Oct 2009 17:10:10 -0400 Date: Wed, 21 Oct 2009 17:08:35 -0400 From: Chuck Ebbert To: Eric Sandeen Cc: Arjan van de Ven , Ingo Molnar , Dave Jones , Linux Kernel , Thomas Gleixner , esandeen@redhat.com, "H. Peter Anvin" Subject: Re: Unnecessary overhead with stack protector. Message-ID: <20091021170835.6cd9bd52@katamari.usersys.redhat.com> In-Reply-To: <4ADF5FE2.7070604@redhat.com> References: <20091015183540.GA8098@redhat.com> <20091015190720.GA19467@elte.hu> <4ADF2DAA.9030604@redhat.com> <20091021110053.26ab9982@infradead.org> <4ADF59F8.7010205@redhat.com> <4ADF5C6B.80605@redhat.com> <4ADF5FE2.7070604@redhat.com> Organization: Red Hat, Inc. Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 618 Lines: 14 On Wed, 21 Oct 2009 14:24:18 -0500 Eric Sandeen wrote: > > Forgive me if I'm not using the right tools to look, but it seems to me > that in the aggregate, CC_STACKPROTECTOR_ALL has a pretty big impact. FWIW, I think we'll end up either disabling the stackprotector completely in Fedora, or at least reverting the patch that adds all that overhead. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/