From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947141AbWKKIE4 (ORCPT ); Sat, 11 Nov 2006 03:04:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1947142AbWKKIE4 (ORCPT ); Sat, 11 Nov 2006 03:04:56 -0500 Received: from caramon.arm.linux.org.uk ([217.147.92.249]:28688 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S1947141AbWKKIEz (ORCPT ); Sat, 11 Nov 2006 03:04:55 -0500 Date: Sat, 11 Nov 2006 08:04:46 +0000 From: Russell King To: "Eric W. Biederman" Cc: Alistair John Strachan , linux-kernel@vger.kernel.org Subject: Re: [PATCH] sysctl: Undeprecate sys_sysctl Message-ID: <20061111080446.GA17861@flint.arm.linux.org.uk> Mail-Followup-To: "Eric W. Biederman" , Alistair John Strachan , linux-kernel@vger.kernel.org References: <200611092317.26459.s0348365@sms.ed.ac.uk> <20061110075640.GA15611@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 10, 2006 at 01:13:16AM -0700, Eric W. Biederman wrote: > Russell King writes: > > Let's not forget that on ARM it's used to get the MMIO region which > > is used for PIO emulation by glibc. Without it, glibc can't detect > > where this region is. > > Is that on all subarches or just some of them? No idea - I don't have that sort of information. Those which are PCI based have the potential to use it if some userspace programmer wants to use the ioperm/inb/outb etc which glibc provides. I have had the occasional bug report that these functions haven't worked when we haven't been exporting the right info via sysctl, so they do seem to get used. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core