Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752916AbdFVMYv (ORCPT ); Thu, 22 Jun 2017 08:24:51 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:55195 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750854AbdFVMYu (ORCPT ); Thu, 22 Jun 2017 08:24:50 -0400 Date: Thu, 22 Jun 2017 14:24:42 +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: <87h8z8g6wu.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> 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: 566 Lines: 18 On Wed, 21 Jun 2017, Thiago Jung Bauermann wrote: > Michael Ellerman writes: > >> Notes: > >> This patch applies on tip/smp/hotplug, it should probably be carried there. > > > > stop_machine_cpuslocked() doesn't exist in mainline so I think it has to > > be carried there right? > > Yes. I said "probably" because I don't know if you want to wait > until that branch is merged so that you can carry this patch in your > tree. I'll pick it up for 4.12 and you folks can figure out the backporting once that hits Linus tree. Thanks, tglx