From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757147AbaISPyX (ORCPT ); Fri, 19 Sep 2014 11:54:23 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:42296 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756696AbaISPyW (ORCPT ); Fri, 19 Sep 2014 11:54:22 -0400 Date: Fri, 19 Sep 2014 08:54:13 -0700 From: "Paul E. McKenney" To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, 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 tip/core/rcu 0/17] RCU-tasks implementation for 3.18 Message-ID: <20140919155413.GC4723@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20140828191929.GA31795@linux.vnet.ibm.com> <20140918222246.GD2832@worktop.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140918222246.GD2832@worktop.localdomain> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14091915-7164-0000-0000-000004BD8C6C Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 19, 2014 at 12:22:46AM +0200, Peter Zijlstra wrote: > > Looks ok I suppose, Thanks for the last two patches. I started one that > moved the local_irq_disable() around, but this is nicer. Glad you like them! ;-) Longer term, I am thinking in terms of building on your earlier idle-loop patches to make RCU-tasks handle idle tasks in a nice way. And I do have a commit queued to reduce the idle wakeups caused by synchronize_sched_expedited(), hopefully for 3.19. Thanx, Paul