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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 6DDF6C433F4 for ; Mon, 24 Sep 2018 17:57:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EE2B2098A for ; Mon, 24 Sep 2018 17:57:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EE2B2098A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730312AbeIYAAX (ORCPT ); Mon, 24 Sep 2018 20:00:23 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53756 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728480AbeIYAAX (ORCPT ); Mon, 24 Sep 2018 20:00:23 -0400 Received: from localhost (ip-213-127-77-73.ip.prioritytelecom.net [213.127.77.73]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 5AEBCFF1; Mon, 24 Sep 2018 17:57:03 +0000 (UTC) Date: Mon, 24 Sep 2018 19:56:59 +0200 From: Greg Kroah-Hartman To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Sasha Levin Subject: Re: [PATCH 4.18 207/235] rcu: Fix grace-period hangs due to race with CPU offline Message-ID: <20180924175659.GA19402@kroah.com> References: <20180924113103.999624566@linuxfoundation.org> <20180924113124.637508442@linuxfoundation.org> <20180924164406.GE4222@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180924164406.GE4222@linux.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 24, 2018 at 09:44:06AM -0700, Paul E. McKenney wrote: > On Mon, Sep 24, 2018 at 01:53:13PM +0200, Greg Kroah-Hartman wrote: > > 4.18-stable review patch. If anyone has any objections, please let me know. > > This should not be needed in 4.18 because of a number of crude but > effective grace-period forward-progress failsafes. I have not tested > it in isolation. It looks harmless enough, but all testing has been in > conjunction with a large number of preceding patches. > > I therefore strongly recommend against backporting this one. Now dropped from all 3 queues, thanks for letting me know. greg k-h