From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751759Ab1A0G5R (ORCPT ); Thu, 27 Jan 2011 01:57:17 -0500 Received: from e32.co.us.ibm.com ([32.97.110.150]:53445 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750866Ab1A0G5Q (ORCPT ); Thu, 27 Jan 2011 01:57:16 -0500 Date: Thu, 27 Jan 2011 12:20:32 +0530 From: Srikar Dronamraju To: Peter Zijlstra Cc: Ingo Molnar , Steven Rostedt , Arnaldo Carvalho de Melo , Linus Torvalds , Masami Hiramatsu , Christoph Hellwig , Andi Kleen , Oleg Nesterov , LKML , SystemTap , Linux-mm , Jim Keniston , Frederic Weisbecker , Ananth N Mavinakayanahalli , Andrew Morton , "Paul E. McKenney" Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 16/20] 16: uprobes: register a notifier for uprobes. Message-ID: <20110127065032.GQ19725@linux.vnet.ibm.com> Reply-To: Srikar Dronamraju References: <20101216095714.23751.52601.sendpatchset@localhost6.localdomain6> <20101216100021.23751.19275.sendpatchset@localhost6.localdomain6> <1295963778.28776.1058.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1295963778.28776.1058.camel@laptop> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra [2011-01-25 14:56:18]: > On Thu, 2010-12-16 at 15:30 +0530, Srikar Dronamraju wrote: > > Uprobe needs to be intimated on int3 and singlestep exceptions. > > Hence uprobes registers a die notifier so that its notified of the events. > > Why isn't this part of the previous patch? This splitup really doesn't > make sense. The die notifier which is introduced in patch 15 is arch dependent (i.e x86). Whereever possible I have kept the arch dependent parts separate from the arch independent parts so that porting to another architecture becomes easier and clear. -- Thanks and Regards Srikar