Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752772AbbEKHxS (ORCPT ); Mon, 11 May 2015 03:53:18 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:38896 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751058AbbEKHxP (ORCPT ); Mon, 11 May 2015 03:53:15 -0400 Message-ID: <55505FE9.8070505@suse.cz> Date: Mon, 11 May 2015 09:53:13 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Michal Kubecek , Mike Galbraith CC: Greg Kroah-Hartman , Josh Hunt , LKML , stable , Calvin Owens , "Paul E. McKenney" Subject: Re: [PATCH 3.19 016/175] ksoftirqd: Enable IRQs and call cond_resched() before poking RCU References: <20150304061026.134125919@linuxfoundation.org> <20150304061029.058110661@linuxfoundation.org> <20150501205205.GC2265@kroah.com> <1430536490.3137.30.camel@gmail.com> <20150511073739.GA27366@unicorn.suse.cz> In-Reply-To: <20150511073739.GA27366@unicorn.suse.cz> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1446 Lines: 42 On 05/11/2015, 09:37 AM, Michal Kubecek wrote: > On Sat, May 02, 2015 at 05:14:50AM +0200, Mike Galbraith wrote: >> On Fri, 2015-05-01 at 22:52 +0200, Greg Kroah-Hartman wrote: >>> On Fri, May 01, 2015 at 03:00:00PM -0500, Josh Hunt wrote: >>>> On Wed, Mar 4, 2015 at 12:13 AM, Greg Kroah-Hartman >>>> wrote: >>>>> 3.19-stable review patch. If anyone has any objections, please let me know. >>>>> >>>>> ------------------ >>>>> >>>>> From: Calvin Owens >>>>> >>>>> commit 28423ad283d5348793b0c45cc9b1af058e776fd6 upstream. >>>>> >>>>> While debugging an issue with excessive softirq usage, I encountered the >>>>> following note in commit 3e339b5dae24a706 ("softirq: Use hotplug thread >>>>> infrastructure"): >>>>> >>>>> [ paulmck: Call rcu_note_context_switch() with interrupts enabled. ] ... >>>> Sorry for the delay in noticing this, but should this be applied to >>>> 3.14-stable as well? >>> >>> Why should it? >> >> The regression inducing change arrived in 3.7-rc1. > > I guess stable-3.12.y should have it too, then (with a trivial refresh > for the comment added in 3.13). Yes, I already put it into 3.12. Thanks. -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/