From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753446AbcFOVp5 (ORCPT ); Wed, 15 Jun 2016 17:45:57 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57130 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752384AbcFOVpz (ORCPT ); Wed, 15 Jun 2016 17:45:55 -0400 X-IBM-Helo: d01dlp03.pok.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org Date: Wed, 15 Jun 2016 14:45:50 -0700 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com Subject: [PATCH tip/core/rcu 0/12] Miscellaneous RCU fixes for 4.8 Reply-To: paulmck@linux.vnet.ibm.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16061521-0040-0000-0000-000000934264 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16061521-0041-0000-0000-0000046D206B Message-Id: <20160615214550.GA4931@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-06-15_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606150231 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series contains miscellaneous fixes: 1. Fix outdated rcu_scheduler_active comment. 2. Fix outdated hotplug-exclusion comment in rcu_gp_init(). 3. Remove some superfluous lines, courtesy of Peter Zijlstra. 4. Move expedited code from tree.c to tree_exp.h. 5. Move expedited code from tree_plugin.h to tree_exp.h. 6. Document RCU_NONIDLE() restrictions in comment header. 7. No ordering for rcu_assign_pointer() of NULL. 8. Disable TASKS_RCU for usermode Linux in preparation for making call_rcu_tasks() tolerate being invoked with interrupts disabled. 9. Make call_rcu_tasks() tolerate first call with irqs disabled. 10. Fix a typo in a comment. 11. Panic on RCU Stall at user's option, courtesy of Daniel Bristot de Oliveira. 12. Correctly handle sparse possible cpus, courtesy of Mark Rutland. Thanx, Paul ------------------------------------------------------------------------ Documentation/sysctl/kernel.txt | 12 include/linux/kernel.h | 1 include/linux/rcupdate.h | 23 + init/Kconfig | 1 kernel/rcu/rcutorture.c | 2 kernel/rcu/tree.c | 586 +--------------------------------- kernel/rcu/tree.h | 15 kernel/rcu/tree_exp.h | 674 +++++++++++++++++++++++++++++++++++++++- kernel/rcu/tree_plugin.h | 93 ----- kernel/rcu/update.c | 7 kernel/sched/fair.c | 2 kernel/sysctl.c | 11 12 files changed, 757 insertions(+), 670 deletions(-)