From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753995AbaD2DYE (ORCPT ); Mon, 28 Apr 2014 23:24:04 -0400 Received: from relay5-d.mail.gandi.net ([217.70.183.197]:55354 "EHLO relay5-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753060AbaD2DYA (ORCPT ); Mon, 28 Apr 2014 23:24:00 -0400 X-Originating-IP: 50.43.32.211 Date: Mon, 28 Apr 2014 20:23:45 -0700 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 0/3] Miscellaneous fixes for 3.16 Message-ID: <20140429032345.GA8793@thin> References: <20140428235600.GA12200@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140428235600.GA12200@linux.vnet.ibm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 28, 2014 at 04:56:00PM -0700, Paul E. McKenney wrote: > Hello! > > This series provides miscellaneous fixes: > > 1. Apply ACCESS_ONCE() to unprotected ->gp_flags accesses. > > 2. Fix typo in comment, courtesy of Liu Ping Fan. > > 3. Make RCU CPU stall warnings print grace-period numbers in > signed format to improve readability of stall-warning output. > > 4. Make cpu_needs_another_gp() take future grace-period needs > into account. > > 5. Remove unused ->preemptible field from the rcu_data structure, > courtesty of Iulia Manda. > > 6. Apply ACCESS_ONCE() to unprotected ->jiffies_stall accesses, > courtesty of Iulia Manda. > > 7. Make callers responsible for grace-period kthread wakeup in > order to avoid potential silent grace-period stalls. > > 8. Remove "extern" from RCU function declarations, courtesy of > Iulia Manda. > > 9. Apply ACCESS_ONCE() to additional ->jiffies_stall accesses, > courtesy of Himangi Saraogi. > > 10. Add event tracing to dyntick_save_progress_counter(), courtesy > of Andreea-Cristina Bernat. > > 11. Make rcu_init_one() use nr_cpu_ids instead of NR_CPUS for > data-structure setup limit check, courtesy of Himangi Saraogi. > > 12. Remove redundant kfree_call_rcu() definition by using the > rcu_state pointer, courtesy of Andreea-Cristina Bernat. > > 13. Merge rcu_sched_force_quiescent_state() definition with > rcu_force_quiescent_state() by using the rcu_state pointer, > courtesy of Andreea-Cristina Bernat. > > 14. Document RCU_INIT_POINTER()'s lack of ordering guarantees. > > 15. Automatically bind RCU's grace-period kthreads to timekeeping > CPU for NO_HZ_FULL builds. > > 16. Make large and small sysidle systems use equivalent state machine. > > 17. Remove duplicate resched_cpu() declaration, courtesy of > Pranith Kumar. > > 18. Replace deprecated __this_cpu_ptr() uses with raw_cpu_ptr(), > courtesy of Christoph Lameter. > > 19. Make softirq processing provide a quiescent state only once > per full pass over all softirqs rather than once per action, > courtesy of Eric Dumazet. For all 19: Reviewed-by: Josh Triplett