From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.linux.org.uk (parcelfarce.linux.theplanet.co.uk [195.92.249.252]) by dsl2.external.hp.com (Postfix) with ESMTP id 24B764829 for ; Wed, 15 Jan 2003 11:46:37 -0700 (MST) Received: from willy by www.linux.org.uk with local (Exim 3.33 #5) id 18YsYe-000394-00; Wed, 15 Jan 2003 18:46:36 +0000 Date: Wed, 15 Jan 2003 18:46:36 +0000 From: Matthew Wilcox To: John David Anglin Cc: "FARINATI, LEANDRO" , parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] 64 userspace Message-ID: <20030115184636.M26554@parcelfarce.linux.theplanet.co.uk> References: <9A0482A7BD2506488AD9417C93F3714F011A1AE6@xsp01.brazil.hp.com> <200301151840.h0FIeS9I018903@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200301151840.h0FIeS9I018903@hiauly1.hia.nrc.ca>; from dave@hiauly1.hia.nrc.ca on Wed, Jan 15, 2003 at 01:40:28PM -0500 Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: On Wed, Jan 15, 2003 at 01:40:28PM -0500, John David Anglin wrote: > To my knowledge, there isn't one. Roughly what is required is: > > 1) Kernel -- design and implement 64-bit system calls. Another piece of the kernelside puzzle is designing the VM layout for 64-bit processes. Do we want to (as ia64 does) reserve parts of the address space for the kernel? Map shared libraries in different quadrants from the user process? Keep data in yet another quadrant? It's a lot of work, and I'm not sure the will is there to make it happen. -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk