From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753440AbcA2ITg (ORCPT ); Fri, 29 Jan 2016 03:19:36 -0500 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:46450 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752271AbcA2ITf (ORCPT ); Fri, 29 Jan 2016 03:19:35 -0500 X-Original-SENDERIP: 156.147.1.151 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Fri, 29 Jan 2016 17:19:11 +0900 From: Byungchul Park To: Peter Hurley Cc: akpm@linux-foundation.org, mingo@kernel.org, linux-kernel@vger.kernel.org, akinobu.mita@gmail.com, jack@suse.cz, torvalds@linux-foundation.org Subject: Re: [PATCH v4] lib/spinlock_debug.c: prevent a recursive cycle in the debug code Message-ID: <20160129081911.GG31266@X58A-UD3R> References: <1453896061-14102-1-git-send-email-byungchul.park@lge.com> <56A9497F.6010206@hurleysoftware.com> <20160128071502.GA31266@X58A-UD3R> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160128071502.GA31266@X58A-UD3R> 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, Jan 28, 2016 at 04:15:02PM +0900, Byungchul Park wrote: > On Wed, Jan 27, 2016 at 02:49:35PM -0800, Peter Hurley wrote: > > And we already have lockdep turned off to avoid triggering a recursive > > lockdep report (which I think is a mistake). > > Yes, we already have a way to turn off the lock debug so that we can > avoid it. So I used it in v4. > > thanks, > byungchul > > > > > I think we should be working toward properly handling recursion > > in printk(). And it would be better once it is done to handle the recursion properly. But I think, not now.. > > > > Regards, > > Peter Hurley