From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750990AbdAQBIN (ORCPT ); Mon, 16 Jan 2017 20:08:13 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:41157 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbdAQBIF (ORCPT ); Mon, 16 Jan 2017 20:08:05 -0500 Date: Mon, 16 Jan 2017 17:07:36 -0800 From: "Paul E. McKenney" To: Josh Triplett Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, 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: Re: [PATCH tip/core/rcu 0/20] Miscellaneous fixes for 4.11 Reply-To: paulmck@linux.vnet.ibm.com References: <20170114091255.GA20854@linux.vnet.ibm.com> <20170116080917.dr3fqaxt7kexo7f6@x> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170116080917.dr3fqaxt7kexo7f6@x> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17011701-0020-0000-0000-00000B1753FF X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00006447; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000199; SDB=6.00808606; UDB=6.00393825; IPR=6.00585965; BA=6.00005062; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00013943; XFM=3.00000011; UTC=2017-01-17 01:07:40 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17011701-0021-0000-0000-00005942C85F Message-Id: <20170117010736.GZ5238@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-01-16_18:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701170011 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 16, 2017 at 12:09:20AM -0800, Josh Triplett wrote: > On Sat, Jan 14, 2017 at 01:12:55AM -0800, Paul E. McKenney wrote: > > Hello! > > > > This series provides miscellaneous fixes: > > > > 1. Make RCU_EXPEDITE_BOOT be the default in order to speed up > > boot, courtesy of Sebastian Andrzej Siewior. > > > > 2. Make RCU suspicious-access lockdep splats use pr_err(). > > > > 3. Disable sys_membarrier when nohz_full is enabled, courtesy > > of Mathieu Desnoyers. > > > > 4. Only dump stalled-tasks stacks if there was a real stall, courtesy > > of Byungchul Park. > > > > 5. Remove unneeded rcu_process_callbacks() declarations. > > > > 6. Remove unused but set "mask" variable, courtesy of Tobias Klauser. > > > > 7. Remove short-term CPU kicking. > > > > 8. Add long-term CPU kicking. > > > > 9. Once again use NMI-based stack traces in stall warnings. > > > > 10. Add functions to test for trivial grace periods. > > > > 11. Make cond_resched() provide RCU quiescent state, which will > > hopefully lead to the removal of cond_resched_rcu_qs(). > > > > 12. Re-enable TASKS_RCU for User Mode Linux. > > > > 13. Don't wake rcuc/X kthreads on NOCB CPUs. > > > > 14. Add comment headers to expedited-grace-period counter functions. > > > > 15. Make rcu_cpu_starting() use its "cpu" argument. > > > > 16. Enable RCU tracepoints by default to aid in debugging, courtesy > > of Matt Fleming. > > > > 17. Fix comment in rcu_organize_nocb_kthreads(), which no longer > > spawns kthreads. > > > > 18. Clarify comments about when llist locking is needed, courtesy > > of Joel Fernandes. > > > > 19. Eliminate unused expedited_normal counter. > > > > 20. Add lockdep checks to synchronous expedited primitives. > > I replied to patches 2, 8, 10, and 11 with comments. For the rest: > Reviewed-by: Josh Triplett Applied, thank you! Thanx, Paul