From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752643AbcCBOIh (ORCPT ); Wed, 2 Mar 2016 09:08:37 -0500 Received: from e17.ny.us.ibm.com ([129.33.205.207]:46046 "EHLO e17.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907AbcCBOIg (ORCPT ); Wed, 2 Mar 2016 09:08:36 -0500 X-IBM-Helo: d01dlp03.pok.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org Date: Wed, 2 Mar 2016 06:08:31 -0800 From: "Paul E. McKenney" To: Peter Zijlstra Cc: Boqun Feng , linux-kernel@vger.kernel.org, Ingo Molnar , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , sasha.levin@oracle.com Subject: Re: [RFC v2 0/6] Track RCU dereferences in RCU read-side critical sections Message-ID: <20160302140831.GX3577@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20160225153724.GL3522@linux.vnet.ibm.com> <20160226030627.GA2431@fixme-laptop.cn.ibm.com> <20160226112521.GZ6356@twins.programming.kicks-ass.net> <20160229011220.GA1583@fixme-laptop.cn.ibm.com> <20160229124318.GM6356@twins.programming.kicks-ass.net> <20160301093242.GA29874@fixme-laptop.cn.ibm.com> <20160301095707.GP6356@twins.programming.kicks-ass.net> <20160301100134.GW6375@twins.programming.kicks-ass.net> <20160302063718.GA5721@fixme-laptop.cn.ibm.com> <20160302101823.GB6357@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160302101823.GB6357@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16030214-0041-0000-0000-0000036F407A Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 02, 2016 at 11:18:23AM +0100, Peter Zijlstra wrote: > On Wed, Mar 02, 2016 at 02:37:18PM +0800, Boqun Feng wrote: > > I come up with something you may not like ;-) , which is taking the > > strings of the expressions, for example: > > Heh, cute. Better than nothing I suppose. It would be very good to get feedback from people using RCU heavily. Some RCU read-side critical sections access a lot of fields, which might make this sort of notation a bit of a maintainability issue. Thanx, Paul