From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752798Ab3HRBhp (ORCPT ); Sat, 17 Aug 2013 21:37:45 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:45452 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752374Ab3HRBho (ORCPT ); Sat, 17 Aug 2013 21:37:44 -0400 Date: Sat, 17 Aug 2013 18:37:35 -0700 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, 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, sbw@mit.edu Subject: [PATCH tip/core/rcu 0/11] Fixes for 3.12 Message-ID: <20130818013735.GA27234@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13081801-7182-0000-0000-0000081FEFA5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series contains a number of miscellaneous fixes: 1. Switch to expedited grace periods during hibernation operations (courtesy of Borislav Petkov). 2. Restrict above expediting to systems of 256 or fewer CPUs. 3. Make RCU debugobjects fixup actions leak callbacks rather than risking corrupting the callback lists. 4. Propagate above callback leaking to debugobjects's callers. 5. Make call_rcu() leak callbacks when debugobjects indicates an error. 6. Switch to expedited grace periods during suspend/resume operations (Courtesy of Bjørn Mork). 7. Avoid needless self-wakeups from the grace-period kthreads. 8. Make list_first_or_null_rcu() use list_entry_rcu() (courtesy of Tejun Heo). 9. Fix irq_work_queue() build error for TREE_PREEMPT_RCU for some configurations (courtesy of James Hogan). 10. Simplify _rcu_barrier() processing per Linus Torvalds feedback. 11. Avoid signed-overflow undefined behavior in time_after() and friends. Thanx, Paul b/include/linux/debugobjects.h | 6 +- b/include/linux/jiffies.h | 8 +-- b/include/linux/rculist.h | 5 +- b/init/Kconfig | 1 b/kernel/rcu.h | 10 ++-- b/kernel/rcupdate.c | 100 ----------------------------------------- b/kernel/rcutree.c | 62 ++++++++++++++++++++++--- b/lib/debugobjects.c | 20 +++++--- 8 files changed, 86 insertions(+), 126 deletions(-)