From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968141AbeEYTnM (ORCPT ); Fri, 25 May 2018 15:43:12 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:34268 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967784AbeEYTnJ (ORCPT ); Fri, 25 May 2018 15:43:09 -0400 Date: Fri, 25 May 2018 12:44:41 -0700 From: "Paul E. McKenney" To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, peterz@infradead.org, bigeasy@linutronix.de, qianyue.zj@alibaba-inc.com, efault@gmx.de Subject: Re: [PATCH RFC rcu/x86] Provide early rcu_cpu_starting() callback Reply-To: paulmck@linux.vnet.ibm.com References: <20180525191802.GA7141@linux.vnet.ibm.com> <20180525151933.7fac5e81@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180525151933.7fac5e81@gandalf.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18052519-0056-0000-0000-00000455CD06 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009083; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000262; SDB=6.01037582; UDB=6.00530875; IPR=6.00816711; MB=3.00021296; MTD=3.00000008; XFM=3.00000015; UTC=2018-05-25 19:43:06 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18052519-0057-0000-0000-00000899EBCB Message-Id: <20180525194441.GE3803@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-05-25_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1805250204 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 25, 2018 at 03:19:33PM -0400, Steven Rostedt wrote: > On Fri, 25 May 2018 12:18:02 -0700 > "Paul E. McKenney" wrote: > > > [ paulmck: Add !SMP support, per 0day Test Robot report. ] > > Somehow I read this as: > > [ paulmck: Add NR_CPUS=0 support ] > > no idea why. ;-) ;-) ;-) Well, there is a debate on out-of-thin-air (OOTA) values in the C11 and C++11 memory models. Maybe that is related? ;-) Thanx, Paul