From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7AC8C4321A for ; Fri, 28 Jun 2019 12:18:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FFA5205F4 for ; Fri, 28 Jun 2019 12:18:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbfF1MSJ (ORCPT ); Fri, 28 Jun 2019 08:18:09 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:22930 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726542AbfF1MSJ (ORCPT ); Fri, 28 Jun 2019 08:18:09 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5SC97ib124194; Fri, 28 Jun 2019 08:17:47 -0400 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 2tdgr6n8nt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jun 2019 08:17:47 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x5SC9iTY001900; Fri, 28 Jun 2019 12:17:46 GMT Received: from b01cxnp23034.gho.pok.ibm.com (b01cxnp23034.gho.pok.ibm.com [9.57.198.29]) by ppma01dal.us.ibm.com with ESMTP id 2t9by7ncqc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jun 2019 12:17:46 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5SCHjag49152486 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 28 Jun 2019 12:17:45 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 75543B205F; Fri, 28 Jun 2019 12:17:45 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 55737B2064; Fri, 28 Jun 2019 12:17:45 +0000 (GMT) Received: from paulmck-ThinkPad-W541 (unknown [9.80.201.148]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 28 Jun 2019 12:17:45 +0000 (GMT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id C17A416C6BA0; Fri, 28 Jun 2019 05:17:45 -0700 (PDT) Date: Fri, 28 Jun 2019 05:17:45 -0700 From: "Paul E. McKenney" To: Peter Zijlstra Cc: Frederic Weisbecker , linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de Subject: Re: [PATCH] time/tick-broadcast: Fix tick_broadcast_offline() lockdep complaint Message-ID: <20190628121745.GP26519@linux.ibm.com> Reply-To: paulmck@linux.ibm.com References: <20190624234422.GP26519@linux.ibm.com> <20190625004300.GB17497@lerouge> <20190625075139.GT3436@hirez.programming.kicks-ass.net> <20190625122514.GA23880@lenoir> <20190625135430.GW26519@linux.ibm.com> <20190625140538.GC3419@hirez.programming.kicks-ass.net> <20190625141624.GX26519@linux.ibm.com> <20190625162058.GB23880@lenoir> <20190625165238.GJ26519@linux.ibm.com> <20190628073712.GR3419@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190628073712.GR3419@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-28_05:,, 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 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906280146 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 28, 2019 at 09:37:12AM +0200, Peter Zijlstra wrote: > On Tue, Jun 25, 2019 at 09:52:38AM -0700, Paul E. McKenney wrote: > > Very well, the commit is as shown below. This is on current -rcu, > > but feel free to take it if you would like, Peter. Just let me know > > and I will mark it so that I don't push it myself. (I need to keep > > it in -rcu until I rebase onto a version of mainline that contains > > it so as to avoid spurious rcutorture failures.) > > Looks good. I'll pick it up and then we need to take care when all lands > in tip. Thank you! My instance of the patch is in a part of the -rcu tree that won't hit -tip until after v5.3-rc5, so there is a good chance that the -tip sequencing will Just Work. Stranger things have happened. ;-) Thanx, Paul