Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750708AbWEZHkx (ORCPT ); Fri, 26 May 2006 03:40:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750720AbWEZHkx (ORCPT ); Fri, 26 May 2006 03:40:53 -0400 Received: from cantor2.suse.de ([195.135.220.15]:16804 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1750708AbWEZHkx (ORCPT ); Fri, 26 May 2006 03:40:53 -0400 Message-ID: <4476B0F6.2000708@suse.de> Date: Fri, 26 May 2006 09:40:38 +0200 From: Gerd Hoffmann User-Agent: Thunderbird 1.5.0.2 (X11/20060411) MIME-Version: 1.0 To: Magnus Damm Cc: "Eric W. Biederman" , fastboot@lists.osdl.org, linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [Fastboot] [PATCH 03/03] kexec: Avoid overwriting the current pgd (V2, x86_64) References: <20060524044232.14219.68240.sendpatchset@cherry.local> <20060524044247.14219.13579.sendpatchset@cherry.local> <1148545616.5793.180.camel@localhost> In-Reply-To: <1148545616.5793.180.camel@localhost> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 680 Lines: 21 > 1a. The C-code in xen_machine_kexec() performs a hypercall. > > 1b. The hypervisor jumps to the assembly code. > After prepare we've created a NX-safe mapping for the control page. We > jump to that NX-safe address to transfer control to the assembly code. This is about kexec'ing the physical machine, not the virtual machine, right? cheers, Gerd -- Gerd Hoffmann http://www.suse.de/~kraxel/julika-dora.jpeg - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/