From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752051AbeC2Bon (ORCPT ); Wed, 28 Mar 2018 21:44:43 -0400 Received: from mx2.suse.de ([195.135.220.15]:47138 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751187AbeC2Bom (ORCPT ); Wed, 28 Mar 2018 21:44:42 -0400 Date: Wed, 28 Mar 2018 18:32:24 -0700 From: Davidlohr Bueso To: Waiman Long Cc: Ingo Molnar , Peter Zijlstra , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 1/2] locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches Message-ID: <20180329013224.tfryvl6lv5i72jwm@linux-n805> References: <1522246852-17501-1-git-send-email-longman@redhat.com> <1522246852-17501-2-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <1522246852-17501-2-git-send-email-longman@redhat.com> User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 28 Mar 2018, Waiman Long wrote: >+config DEBUG_RWSEMS >+ bool "RW Semaphore debugging: basic checks" >+ depends on DEBUG_KERNEL && RWSEM_SPIN_ON_OWNER Why depend on RWSEM_SPIN_ON_OWNER? Doesn't everyone benefit from this? For example, DEBUG_MUTEXES does not need it. Thanks, Davidlohr