From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752770AbaGaQtN (ORCPT ); Thu, 31 Jul 2014 12:49:13 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:37436 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750859AbaGaQtL (ORCPT ); Thu, 31 Jul 2014 12:49:11 -0400 Date: Thu, 31 Jul 2014 09:49:04 -0700 From: "Paul E. McKenney" To: Peter Zijlstra Cc: josh@joshtriplett.org, linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, tglx@linutronix.de, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com Subject: Re: [PATCH v2 tip/core/rcu 0/10] RCU-tasks implementation Message-ID: <20140731164904.GU11241@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20140731003914.GA3872@linux.vnet.ibm.com> <20140731161902.GA12697@cloud> <20140731163012.GA19379@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140731163012.GA19379@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: 14073116-0928-0000-0000-000003C1FFE5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 31, 2014 at 06:30:12PM +0200, Peter Zijlstra wrote: > On Thu, Jul 31, 2014 at 09:19:02AM -0700, josh@joshtriplett.org wrote: > > Also, ideally this should remain entirely optional; nothing in the core > > kernel should depend on it. > > I suspect Steve wants it for ftrace :-) This is my guess as well. ;-) Steven should be back next week, and perhaps we will learn more then. Thanx, Paul