From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932670AbcHVPiX (ORCPT ); Mon, 22 Aug 2016 11:38:23 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38780 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754844AbcHVPiU (ORCPT ); Mon, 22 Aug 2016 11:38:20 -0400 X-IBM-Helo: d03dlp01.boulder.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com Date: Mon, 22 Aug 2016 08:38:25 -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 0/3] CPU hotplug changes for 4.9 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-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16082215-0016-0000-0000-0000047A6A33 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00005629; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000183; SDB=6.00748121; UDB=6.00353037; IPR=6.00520786; BA=6.00004672; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00012420; XFM=3.00000011; UTC=2016-08-22 15:38:17 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16082215-0017-0000-0000-0000323AA4E2 Message-Id: <20160822153825.GA9242@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-22_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608220162 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series contains a few CPU-hotplug updates: 1. Provide exact tracking of incoming CPUs, which means that there is now a definite point in the CPU-hotplug code at which RCU starts paying attention to incoming CPUs. 2. Get rid of obsolete CPU_STARTING reference, courtesy of Sebastian Andrzej Siewior. 3. Convert rcutorture's CPU-hotplug handling to use the shiny new state machine, courtesy of Sebastian Andrzej Siewior. Thanx, Paul ------------------------------------------------------------------------ include/linux/rcupdate.h | 1 kernel/cpu.c | 3 +- kernel/rcu/rcutorture.c | 52 ++++++++++++----------------------------------- kernel/rcu/tree.c | 32 ++++++++++++++++++++++++++-- 4 files changed, 46 insertions(+), 42 deletions(-)