From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759648AbZAMSsf (ORCPT ); Tue, 13 Jan 2009 13:48:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758210AbZAMSsR (ORCPT ); Tue, 13 Jan 2009 13:48:17 -0500 Received: from proxy2.bredband.net ([195.54.101.72]:55233 "EHLO proxy2.bredband.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757298AbZAMSsR (ORCPT ); Tue, 13 Jan 2009 13:48:17 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvoXADtwbEnVcsfHPGdsb2JhbAAIiQuKfQEBAQE1AbwEhW8 Message-ID: <496CE1EF.3090005@sundmangroup.com> Date: Tue, 13 Jan 2009 19:48:15 +0100 From: Matias User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: "H. Peter Anvin" , Bryon Roche CC: LKML Subject: Re: Intel x86 Dual Core & Linux AMP References: <496C8A98.90309@sundmangroup.com> <496CDDA2.8080206@zytor.com> In-Reply-To: <496CDDA2.8080206@zytor.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ok, thanks for your answers! I have been working with PowerPC processors in the past and looking at Freescale's 8641D it is possible to boot two different kernels on it's both cores. Cheers // Matias H. Peter Anvin skrev: > Matias wrote: > >> Is there a way to boot a normal standard home x86 dual core PC with two >> different Linux Kernels without a hypervisor? >> The idea is of course to give the Kernels their own address space and >> their own rootfile systems, the devices would be unique for each kernel >> etc. >> >> Can this be done with a standard BIOS and GRUB/LILO? >> > > No. There are way too many shared resources, such as address space and > interrupt system. You need a central resource to arbitrate those > resources, i.e. a hypervisor. > > -hpa > >