From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751717AbdG0TYd (ORCPT ); Thu, 27 Jul 2017 15:24:33 -0400 Received: from mail-qt0-f176.google.com ([209.85.216.176]:36668 "EHLO mail-qt0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751461AbdG0TYb (ORCPT ); Thu, 27 Jul 2017 15:24:31 -0400 Date: Thu, 27 Jul 2017 15:24:27 -0400 From: Tejun Heo To: Michael Bringmann Cc: Nathan Fontenot , Lai Jiangshan , linux-kernel@vger.kernel.org Subject: Re: [PATCH v6] workqueue: Fix edge cases for calc of pool's cpumask Message-ID: <20170727192427.GJ742618@devbig577.frc2.facebook.com> References: <5c421712-fb38-3020-d3fc-b9bdea792cd3@linux.vnet.ibm.com> <47ac4fb9-a316-0125-7d4e-73cf602d891e@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 27, 2017 at 02:12:52PM -0500, Michael Bringmann wrote: > > >> > >> /* yeap, return possible CPUs in @node that @attrs wants */ > >> cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]); > >> + > >> + if (cpumask_empty(cpumask)) { > >> + pr_warn_once("WARNING: workqueue cpumask: onl intersect > " > > ^^^ > > This message doesn't seem right, or I am missing something, "onl"? > > Shorthand for 'online' in long message. Let's please spell it out. Thanks. -- tejun