Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751248AbWCOKIf (ORCPT ); Wed, 15 Mar 2006 05:08:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751384AbWCOKIf (ORCPT ); Wed, 15 Mar 2006 05:08:35 -0500 Received: from 216-99-217-87.dsl.aracnet.com ([216.99.217.87]:26242 "EHLO sorel.sous-sol.org") by vger.kernel.org with ESMTP id S1751248AbWCOKIe (ORCPT ); Wed, 15 Mar 2006 05:08:34 -0500 Date: Wed, 15 Mar 2006 02:13:21 -0800 From: Chris Wright To: Zachary Amsden Cc: Linus Torvalds , Linux Kernel Mailing List , Virtualization Mailing List , Xen-devel , Andrew Morton , Dan Hecht , Dan Arai , Anne Holler , Pratap Subrahmanyam , Christopher Li , Joshua LeVasseur , Chris Wright , Rik Van Riel , Jyothy Reddy , Jack Lo , Kip Macy , Jan Beulich , Ky Srinivasan , Wim Coekaerts , Leendert van Doorn Subject: Re: [RFC, PATCH 10/24] i386 Vmi descriptor changes Message-ID: <20060315101321.GV12807@sorel.sous-sol.org> References: <200603131806.k2DI6jlJ005700@zach-dev.vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200603131806.k2DI6jlJ005700@zach-dev.vmware.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 837 Lines: 18 * Zachary Amsden (zach@vmware.com) wrote: > Descriptor and trap table cleanups. Add cleanly written accessors for > IDT and GDT gates so the subarch may override them. Note that this > allows the hypervisor to transparently tweak the DPL of the descriptors > as well as the RPL of segments in those descriptors, with no unnecessary > kernel code modification. It also allows the hypervisor implementation > of the VMI to tweak the gates, allowing for custom exception frames or > extra layers of indirection above the guest fault / IRQ handlers. Nice cleanups, VMI or not. thanks, -chris - 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/