From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 24 Jun 2001 23:50:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 24 Jun 2001 23:50:03 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:21833 "EHLO flinx.biederman.org") by vger.kernel.org with ESMTP id ; Sun, 24 Jun 2001 23:49:57 -0400 To: Alan Cox Cc: pzycrow@hotmail.com (John Nilsson), linux-kernel@vger.kernel.org Subject: Re: Some experience of linux on a Laptop In-Reply-To: From: ebiederm@xmission.com (Eric W. Biederman) Date: 24 Jun 2001 21:45:23 -0600 In-Reply-To: Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.5 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan Cox writes: > > 8: A way to change kernel without rebooting. I have no diskdrive or cddrive > > in my laptop so I often do drastic things when I install a new distribution. > > Thats actually an incredibly hard problem to solve. The only people who do > this level of stuff are some of the telephony folks, and the expensive > tandem non-stop boxes. If you don't care about preserving user space it is a solved problem. I have a patch that is currently up to 2.4.2 that works on both alpha, and x86. Porting to other archtietures also looks very simple. I wrote it so I can use the linux kernel in conjunction with some use space code as a bootloader. Eric