Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753816AbdFVVmA (ORCPT ); Thu, 22 Jun 2017 17:42:00 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:57657 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753770AbdFVVl7 (ORCPT ); Thu, 22 Jun 2017 17:41:59 -0400 Date: Thu, 22 Jun 2017 23:41:51 +0200 (CEST) From: Thomas Gleixner To: Thiago Jung Bauermann cc: Michael Ellerman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, John Allen , Michael Bringmann , Nathan Fontenot , Sebastian Andrzej Siewior Subject: Re: [PATCH] powerpc: Only obtain cpu_hotplug_lock if called by rtasd In-Reply-To: <878tkjn7uo.fsf@linux.vnet.ibm.com> Message-ID: References: <1497996510-4032-1-git-send-email-bauerman@linux.vnet.ibm.com> <8737attzw5.fsf@concordia.ellerman.id.au> <87h8z8g6wu.fsf@linux.vnet.ibm.com> <87r2ycqigf.fsf@concordia.ellerman.id.au> <878tkjn7uo.fsf@linux.vnet.ibm.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 20 On Thu, 22 Jun 2017, Thiago Jung Bauermann wrote: > Michael Bringmann provided this information: > >> It's not hard to backport both this patch and commit fe5595c07400 > >> ("stop_machine: Provide stop_machine_cpuslocked()") from branch > >> smp/hotplug in tip.git for stable. > > > > Yeah but it's not really my business backporting that unfortunately. > > Sorry, I wasn't clear. I was offering to provide backported patches for > the relevant stable branches. > > Though that will only be necessary if we also backport the topology > fixes as well. So shall I pick up the fix and route it through tip smp/hotplug where the cpu hotplug core changes reside on which that patch depends on? Thanks, tglx