Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756837AbYJQX24 (ORCPT ); Fri, 17 Oct 2008 19:28:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753670AbYJQX2s (ORCPT ); Fri, 17 Oct 2008 19:28:48 -0400 Received: from mx1.redhat.com ([66.187.233.31]:43576 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753285AbYJQX2s (ORCPT ); Fri, 17 Oct 2008 19:28:48 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Alan Stern , prasad@linux.vnet.ibm.com, Linux Kernel Mailing List , , , , , Subject: Re: [RFC Patch 3/9] Modifying generic debug exception to use virtual debug registers In-Reply-To: Roland McGrath's message of Friday, 17 October 2008 16:24:30 -0700 <20081017232430.9F48C1544CB@magilla.localdomain> X-Fcc: ~/Mail/linus References: <20081016192247.20F831542DA@magilla.localdomain> <20081017232430.9F48C1544CB@magilla.localdomain> X-Shopping-List: (1) Dynastic flotation consumers (2) Deviant abolitionists (3) Meteoritic miscreant pencils Message-Id: <20081017232745.789551544CB@magilla.localdomain> Date: Fri, 17 Oct 2008 16:27:45 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 542 Lines: 14 > kprobes stays as it, returns NOTIFY_STOP iff it's swallowing the step. Oops, I think this breaks if there was also a ptrace db[0-3] hit in the same exception. In that case, kprobes would need to not return NOTIFY_STOP when it otherwise would, if thread.vdr6 has low bits set. Thanks, Roland -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/