Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp1333464img; Fri, 22 Mar 2019 23:35:37 -0700 (PDT) X-Google-Smtp-Source: APXvYqxd/OLe79DtuDQ6LM+M77EnNL9vVVKOlXXgOvCiK8H03Ye/QMas8qpS+5uinO2LBlA/0S4w X-Received: by 2002:a65:4204:: with SMTP id c4mr12900937pgq.136.1553322936924; Fri, 22 Mar 2019 23:35:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553322936; cv=none; d=google.com; s=arc-20160816; b=WBeJyyq3WULi1SwPp2JQ68el5VvVnf3GMUgS64nZlZFnF21UTnqixm4u6gXVOpjKVT M4fPuB4q2Ehlanc6zJSSFnN9QpRtM76fxBNBUgXZ1Vx73ojwDBuw03tVZ4WKFQ6H0TU0 11pPm7DtFFElkibVsYAa5eIjJye/l9U+TpWlTAvMXvKpkX9rGZqBzXkVWRYVoAciZ8XP CMvN1fiP+8a/qL9xtGcWq7IZzB8xz7ad0FITN9BI6fJ86Bp40ou8nJPQeUiMjiq83E4b SSqSsybsFBejcAZBhIrTDeDLFKKf4HkV+fnR2vlGqvCsvnhYJZ4kPYuOAY9F62ImjtN8 DcMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=SUPXamqJbfqnGvximebsn25dUbdzZ4/1KmzsufQXD/Q=; b=kMgixB+NGyUrBGGfnIzs2RRTZ0oWIGiRELyPuM5yQ83Ur0onlZTnGWrYInBzngRjGH nw/G7Lbx0GgMde/l1w9/7uylpvdg+Egoi+eOtj7xAM3jT+i41m/sxRHqHKlhSPUIeOnA 1oYacyxNuTnFENoGXCONG4rJDkWDEucwDX50WNJuxLprnJKM02NK4kSdxgPRsntt1+Os o++eB2mU0rUjOg+ZhP3T01YoSvkwMAL9eFhDWLyXH8o3HZAH3KkurmKoHNIhOpg9J1gP kiGk0YXTNtJ2d67OD1Tq74MMJCqfq4pm58x8kK7suedriVpoHo3i6GA8zFto9W3hUG1D F/ww== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=vACviAQD; 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 t9si8401358pgl.290.2019.03.22.23.35.21; Fri, 22 Mar 2019 23:35:36 -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; dkim=pass header.i=@kernel.org header.s=default header.b=vACviAQD; 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 S1726478AbfCWGdS (ORCPT + 99 others); Sat, 23 Mar 2019 02:33:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:35720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726046AbfCWGdS (ORCPT ); Sat, 23 Mar 2019 02:33:18 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 84767218B0; Sat, 23 Mar 2019 06:33:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553322798; bh=h4GOi6W9NlH/jO055LyAVrumrXCY+vgkg+KpAF8DfKA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vACviAQDl+M6M+7QhveZGl0qulXynfB1C7V1WdIDnm/ue8oVB4utAvaIQHkiOQIxQ UDgwARg0p8o+yooJXAkSxMDwy11ILGV3CmYh053Lk15w16wmwr9E+yT5NN3PmZ+W/y eaM8cYSS6zTbGeeasPMhMfYY9E91KY+5htspxuYs= Date: Sat, 23 Mar 2019 07:33:15 +0100 From: Greg Kroah-Hartman To: "He, Bo" Cc: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "Zhang, Jun" , "Paul E. McKenney" , "Xiao, Jin" , "Bai, Jie A" Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt Message-ID: <20190323063315.GB31361@kroah.com> References: <20190322111210.465931067@linuxfoundation.org> <20190322111220.102008032@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 22, 2019 at 04:00:17PM +0000, He, Bo wrote: > Hi, Greg: > Can you hold on the 3.18-stable branch, it seems there are some issue, please see the comments from Paul: > > Comments from Paul: > I subjected all of the others to light rcutorture testing, which they passed. This v3.18 patch hung, however. Trying it again with stock > v3.18 got the same hang, so I believe we can exonerate the patch and give it a good firm "maybe" on 3.18. > > Worth paying special attention to further test results from 3.18.x, though! Ok, I've dropped this from the 3.18.y queue now, thanks. greg k-h