From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753486AbaA3PcI (ORCPT ); Thu, 30 Jan 2014 10:32:08 -0500 Received: from terminus.zytor.com ([198.137.202.10]:56234 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752848AbaA3PcG (ORCPT ); Thu, 30 Jan 2014 10:32:06 -0500 Message-ID: <52EA704D.2000809@zytor.com> Date: Thu, 30 Jan 2014 07:31:25 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: stefani@seibold.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, ak@linux.intel.com, aarcange@redhat.com, john.stultz@linaro.org, luto@amacapital.net, xemul@parallels.com, gorcunov@openvz.org, andriy.shevchenko@linux.intel.com CC: Martin.Runge@rohde-schwarz.com, Andreas.Brief@rohde-schwarz.com Subject: Re: [PATCH 0/4] Add 32 bit VDSO time function support References: <1391078953-1575-1-git-send-email-stefani@seibold.net> In-Reply-To: <1391078953-1575-1-git-send-email-stefani@seibold.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/30/2014 02:49 AM, stefani@seibold.net wrote: > The VDSO page for a 32 bit resided now on 0xffffc000, followed by the VVAR and > HPET page. Any reason to not move the vdso base page to the top, in order to avoid breaking broken applications? It seems a fairly innocuous shuffle... probably little gain, but very little cost. -hpa