From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932503AbXCBA67 (ORCPT ); Thu, 1 Mar 2007 19:58:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932643AbXCBA67 (ORCPT ); Thu, 1 Mar 2007 19:58:59 -0500 Received: from gw.goop.org ([64.81.55.164]:60804 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932518AbXCBA66 (ORCPT ); Thu, 1 Mar 2007 19:58:58 -0500 Message-ID: <45E776D0.9020609@goop.org> Date: Thu, 01 Mar 2007 16:58:56 -0800 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.9 (X11/20070212) MIME-Version: 1.0 To: Zachary Amsden CC: Andi Kleen , Andrew Morton , linux-kernel@vger.kernel.org, virtualization@lists.osdl.org, xen-devel@lists.xensource.com, Chris Wright , Rusty Russell Subject: Re: [patch 12/26] Xen-paravirt_ops: Fix patch site clobbers to include return register References: <20070301232443.195603797@goop.org> <20070301232527.755495278@goop.org> <45E7738D.5090607@vmware.com> <45E774AB.5090103@goop.org> <45E77569.9010602@vmware.com> In-Reply-To: <45E77569.9010602@vmware.com> 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 Zachary Amsden wrote: >> >> Things like what? Do you mean the %[foo] asm parameter syntax? I think >> those versions are no longer supported - Arjan posted a patch a few days >> ago to convert a pile of asms to this form. Or do you mean something >> else? >> > > I meant having an output in the clobber list, There's no output in the clobber list, just "memory" and "cc". The paravirt_clobber() is the stuff which gets put in the .parainstructions section which tells the patcher what registers are expected to be modified at that callsite (including both temp and output registers). J