From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932166AbXAQJqI (ORCPT ); Wed, 17 Jan 2007 04:46:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932173AbXAQJqH (ORCPT ); Wed, 17 Jan 2007 04:46:07 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:39881 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932166AbXAQJqG (ORCPT ); Wed, 17 Jan 2007 04:46:06 -0500 Date: Wed, 17 Jan 2007 10:44:54 +0100 From: Ingo Molnar To: Alan Stern Cc: Andrew Morton , Prasanna S Panchamukhi , Kernel development list , Roland McGrath Subject: Re: [PATCH] Kwatch: kernel watchpoints using CPU debug registers Message-ID: <20070117094454.GB19093@elte.hu> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -3.3 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-3.3 required=5.9 tests=ALL_TRUSTED autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Alan Stern wrote: > From: Alan Stern > > This patch (as839) implements the Kwatch (kernel-space hardware-based > watchpoints) API for the i386 architecture. The API is explained in > the kerneldoc for register_kwatch() in arch/i386/kernel/kwatch.c. i think it would be nice to have this ontop of Roland's utrace infrastructure, which nicely modularizes all hardware debugging capabilities and detaches it from ptrace. Ingo