Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932330AbWHVSQ2 (ORCPT ); Tue, 22 Aug 2006 14:16:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932331AbWHVSQ1 (ORCPT ); Tue, 22 Aug 2006 14:16:27 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:22183 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S932330AbWHVSQ1 (ORCPT ); Tue, 22 Aug 2006 14:16:27 -0400 Subject: Re: [PATCH] paravirt.h From: Alan Cox To: Zachary Amsden Cc: Andi Kleen , virtualization@lists.osdl.org, Adrian Bunk , Andrew Morton , Chris Wright , Linux Kernel Mailing List , Arjan van de Ven In-Reply-To: <44EB40A3.50700@vmware.com> References: <1155202505.18420.5.camel@localhost.localdomain> <200608221550.57603.ak@muc.de> <20060822142519.GX11651@stusta.de> <200608221654.10558.ak@muc.de> <44EB40A3.50700@vmware.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Tue, 22 Aug 2006 19:35:03 +0100 Message-Id: <1156271703.27114.32.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 690 Lines: 15 Ar Maw, 2006-08-22 am 10:36 -0700, ysgrifennodd Zachary Amsden: > Write protection is great as a debug option to find accidental memory > corruptions. It is useless as a technique to prevent subversion. Um > hello, you're already at CPL-0. Just rewrite the page tables already. That depends upon how clever you are. However if you want to load a hypervisor under a running kernel and from it then you need an updatable paravirt_ops. Alan - 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/