From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752763AbdGEVxs (ORCPT ); Wed, 5 Jul 2017 17:53:48 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:57684 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752502AbdGEVxq (ORCPT ); Wed, 5 Jul 2017 17:53:46 -0400 Date: Wed, 5 Jul 2017 14:53:34 -0700 From: Andrew Morton To: Thomas Gleixner Cc: LKML , linux-mm@kvack.org, Andrey Ryabinin , Michal Hocko , Vlastimil Babka , Vladimir Davydov , Peter Zijlstra Subject: Re: [patch V2 0/2] mm/memory_hotplug: Cure potential deadlocks vs. cpu hotplug lock Message-Id: <20170705145334.d73a30dda944855349e522ed@linux-foundation.org> In-Reply-To: <20170704093232.995040438@linutronix.de> References: <20170704093232.995040438@linutronix.de> X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.23; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 04 Jul 2017 11:32:32 +0200 Thomas Gleixner wrote: > Andrey reported a potential deadlock with the memory hotplug lock and the > cpu hotplug lock. > > The following series addresses this by reworking the memory hotplug locking > and fixing up the potential deadlock scenarios. Do you think we should squeeze this into 4.13-rc1, or can we afford to take the more cautious route?