Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752864AbaBQVr1 (ORCPT ); Mon, 17 Feb 2014 16:47:27 -0500 Received: from relay3-d.mail.gandi.net ([217.70.183.195]:45533 "EHLO relay3-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751100AbaBQVrZ (ORCPT ); Mon, 17 Feb 2014 16:47:25 -0500 X-Originating-IP: 50.43.14.201 Date: Mon, 17 Feb 2014 13:47:16 -0800 From: Josh Triplett To: "Paul E. McKenney" 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, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, oleg@redhat.com, sbw@mit.edu Subject: Re: [PATCH tip/core/rcu 0/6] Documentation changes for 3.15 Message-ID: <20140217214716.GD7941@thin> References: <20140217212625.GA4083@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140217212625.GA4083@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 17, 2014 at 01:26:25PM -0800, Paul E. McKenney wrote: > Hello! > > This series provides a variety of documentation updates: > > 1. Update the documentation on actions to take to avoid frenetic > call_rcu() invocations from exhausting memory, including a mention > of internal-to-RCU avoidance measures. > > 2. Add a note to Documentation/memory-barriers.txt stating that > ACCESS_ONCE() provides cache coherence for accesses to any > single given variable. > > 3. Add an explicit statement that in control dependencies, the > condition must include the load in question. > > 4. Add WQ_SYSFS workqueues as a work-offloading option in > Documentation/kernel-per-CPU-kthreads.txt. > > 5. It turns out that some types of control dependencies require > memory barriers, most notably when the exact same store is > at the beginning of both the then-clause and the else-clause. > Document this. > > 6. Fixups to RTFP.txt I've replied to 1, 2, and 5 with comments. For 3, 4, and 6: Reviewed-by: Josh Triplett -- 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/