From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756545AbYAHUct (ORCPT ); Tue, 8 Jan 2008 15:32:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750715AbYAHUcj (ORCPT ); Tue, 8 Jan 2008 15:32:39 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:38519 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751006AbYAHUci (ORCPT ); Tue, 8 Jan 2008 15:32:38 -0500 Date: Tue, 8 Jan 2008 20:32:36 +0000 From: Christoph Hellwig To: Pekka Paalanen Cc: linux-kernel@vger.kernel.org, jbeulich@novell.com, proski@gnu.org Subject: Re: Replacement for page fault notifiers? Message-ID: <20080108203235.GA772@infradead.org> References: <20080108210638.5c9e093a@daedalus.pq.iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080108210638.5c9e093a@daedalus.pq.iki.fi> User-Agent: Mutt/1.5.17 (2007-11-01) X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 08, 2008 at 09:06:38PM +0200, Pekka Paalanen wrote: > - Is there anything coming to replace register_page_fault_notifier()? no. > - Has someone found another way to accomplish the same without patching > the kernel? no. > - Should I start writing a patch to bring back the notifiers, based on > the commit that removed them? no. > People started to complain to me that mmio-trace does not compile for > 2.6.24. At least the Nouveau project is a regular user of mmio-trace > for reverse-engineering, and the tool should be easy to use. Therefore > I would prefer not to force casual contributors to patch their kernels > as it might be too much for some. I am hoping that 2.6.25, if not > 2.6.24, would contain a mechanism to accomplish what I need. Please make mmio tracing generic enough so it works for every device and submit it for inclusion as a config option.