Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751582AbdFWENf (ORCPT ); Fri, 23 Jun 2017 00:13:35 -0400 Received: from ozlabs.org ([103.22.144.67]:38857 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077AbdFWENd (ORCPT ); Fri, 23 Jun 2017 00:13:33 -0400 From: Michael Ellerman To: Thomas Gleixner , Thiago Jung Bauermann Cc: 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: 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: Notmuch/0.21 (https://notmuchmail.org) Date: Fri, 23 Jun 2017 14:13:32 +1000 Message-ID: <87bmpfqr2r.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 24 Thomas Gleixner writes: > 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? Yes please. Here's an ack if you like: Acked-by: Michael Ellerman cheers