From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754681AbXJIAVm (ORCPT ); Mon, 8 Oct 2007 20:21:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752245AbXJIAVf (ORCPT ); Mon, 8 Oct 2007 20:21:35 -0400 Received: from gw.goop.org ([64.81.55.164]:34731 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751570AbXJIAVe (ORCPT ); Mon, 8 Oct 2007 20:21:34 -0400 Message-ID: <470AC959.1050508@goop.org> Date: Mon, 08 Oct 2007 17:20:41 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Arjan van de Ven CC: Ingo Molnar , Linux Kernel Mailing List Subject: Re: lockdep: how to tell it multiple pte locks is OK? References: <47087D45.2010904@goop.org> <20071007095853.13a8755d@laptopd505.fenrus.org> <20071007104658.655565e3@laptopd505.fenrus.org> In-Reply-To: <20071007104658.655565e3@laptopd505.fenrus.org> X-Enigmail-Version: 0.95.3 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 Arjan van de Ven wrote: > s/implemented/merged/ :) > > IN fact shared pagetables are already there for hugepages. > For small pages it's a patch at this point. > Is it kept up to date? Where does it live? > no I'm not saying that. I'm just saying that I'm worried about the > locking robustness of your trick in general. > Hm, well I won't need to re-pin shared ptes anyway, so I think it's moot. J