Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp3791655imm; Wed, 5 Sep 2018 06:10:25 -0700 (PDT) X-Google-Smtp-Source: ANB0VdbvhRF4Y44w1Y1QnIuGIZs+6+OFlfkS5esCH4jpZJ6HGnQqZrGPhIXrOrIrpJpvkFehahPJ X-Received: by 2002:a17:902:6a8a:: with SMTP id n10-v6mr3912064plk.288.1536153025271; Wed, 05 Sep 2018 06:10:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536153025; cv=none; d=google.com; s=arc-20160816; b=V1dML+c/9XX5zJdVHTM5f3ZGnnuZvBGAlfSZ/Gr/pzeQP3TpnRbaVLQ29d7DcN5nrG F8XxmQisbPUP9mpKnri5vYeR/SA3mEgORmjpTdtQaOVqRhOiiVpCZNj32xRPKx+9l97h frEc7LKIWCOQPb7yHNkpOGTLaT9scJHIu6/qOs5mn7eaGurdiytflc6Bl5lllPCynKdM TCWvyIexYPBFMtKJp3YXUndGoKupmQ5WM1eC9BKGb5onymZ1bYPLNhD7Du8SA1Ur9RCx 7YQPlBWNATF2NKekCzoY4HVTTxdv4Ag6warWqUEmyYFIoUQxmZ4Tin05Dgh9DVqtLMND WCBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=77eLmKiQ58h7co2gz735bmwKXaz8Wxqx4zyKeKd8DjA=; b=JdKLLfqI/Nt+FGHPdPc3zhajdZTv5v7AGN0tRtbS2tOSuy4o9sXSwYe9sWNqVJh9fi yjyCbGbvONFiOZ7/eDjS8vudwzZC62y7ykFIaIWU056Zuo8UCQuotarygRIrHjU2Wk88 nLmmYcEJFWRx7OJe9hA6RHcfQeOuTR7bz0b7Wh+sZy8G586Nr7CHO/TR+LQlE4qcXPsu sEO/eWnY1Q4iCK7BrmgGYGxA/wccFpKgDxiyjXcTaYLfVz3sFLCpAoGx0SBrGxHK7xTy dg1JTrXO99yigrhZutgDcYADcz5A62f0+ZDvAZEDxqD1JiBgyafs8Hig2XGYiKwG5bpz O2yw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e12-v6si1681374pls.372.2018.09.05.06.10.09; Wed, 05 Sep 2018 06:10:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727626AbeIERhR (ORCPT + 99 others); Wed, 5 Sep 2018 13:37:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:34068 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725868AbeIERhR (ORCPT ); Wed, 5 Sep 2018 13:37:17 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 26910206BA; Wed, 5 Sep 2018 13:07:04 +0000 (UTC) Date: Wed, 5 Sep 2018 09:07:02 -0400 From: Steven Rostedt To: "Paul E. McKenney" Cc: Borislav Petkov , x86-ml , Peter Zijlstra , lkml , joel@joelfernandes.org Subject: Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle! Message-ID: <20180905090702.339d94b2@gandalf.local.home> In-Reply-To: <20180905125941.GE4225@linux.vnet.ibm.com> References: <20180901173559.GC26871@zn.tnic> <20180901175442.GO4225@linux.vnet.ibm.com> <20180901184531.72ffb792@vmware.local.home> <20180902041639.GQ4225@linux.vnet.ibm.com> <20180904162611.6a120068@gandalf.local.home> <20180904205321.GQ4225@linux.vnet.ibm.com> <20180905082254.GA2237@zn.tnic> <20180905125941.GE4225@linux.vnet.ibm.com> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 5 Sep 2018 05:59:41 -0700 "Paul E. McKenney" wrote: > On Wed, Sep 05, 2018 at 10:22:54AM +0200, Borislav Petkov wrote: > > On Tue, Sep 04, 2018 at 01:53:21PM -0700, Paul E. McKenney wrote: > > > I must defer to Borislav on this one. Assuming it has the desired > > > effect, I am good with it. > > > > It did survive a bunch of reboots (the WARN would fire after boot > > finishes, normally) so I guess we can run with it and see how it works > > out in the next couple of weeks. > > > > Thanks guys! > > Woo-hoo!!! Thank you for testing this! OK, I'll make this into an official patch and put it into my test suite. I should be able to push it out to Linus tomorrow. -- Steve