From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750749AbVHPXud (ORCPT ); Tue, 16 Aug 2005 19:50:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750752AbVHPXud (ORCPT ); Tue, 16 Aug 2005 19:50:33 -0400 Received: from terminus.zytor.com ([209.128.68.124]:12248 "EHLO terminus.zytor.com") by vger.kernel.org with ESMTP id S1750749AbVHPXuc (ORCPT ); Tue, 16 Aug 2005 19:50:32 -0400 Message-ID: <43027B9D.90107@zytor.com> Date: Tue, 16 Aug 2005 16:49:49 -0700 From: "H. Peter Anvin" User-Agent: Mozilla Thunderbird 1.0.6-1.1.fc4 (X11/20050720) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andi Kleen CC: zach@vmware.com, akpm@osdl.org, chrisl@vmware.com, chrisw@osdl.org, Keir.Fraser@cl.cam.ac.uk, linux-kernel@vger.kernel.org, m+Ian.Pratt@cl.cam.ac.uk, mbligh@mbligh.org, pratap@vmware.com, virtualization@lists.osdl.org, zwane@arm.linux.org.uk Subject: Re: [PATCH 8/14] i386 / Add a per cpu gdt accessor References: <200508110456.j7B4ue56019587@zach-dev.vmware.com> <20050816234725.GI27628@wotan.suse.de> In-Reply-To: <20050816234725.GI27628@wotan.suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > On Wed, Aug 10, 2005 at 09:56:40PM -0700, zach@vmware.com wrote: > >>Add an accessor function for getting the per-CPU gdt. Callee must already >>have the CPU. > > > What is the accessor good for? > > It looks just like code obfuscation to me. He wants accessors so he can override them in Xen. -hpa