From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753852AbbHXF3V (ORCPT ); Mon, 24 Aug 2015 01:29:21 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:33643 "EHLO e35.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751273AbbHXF3U (ORCPT ); Mon, 24 Aug 2015 01:29:20 -0400 X-Helo: d03dlp03.boulder.ibm.com X-MailFrom: paulmck@linux.vnet.ibm.com X-RcptTo: linux-kernel@vger.kernel.org Date: Sun, 23 Aug 2015 22:29:15 -0700 From: "Paul E. McKenney" To: David Miller Cc: josh@joshtriplett.org, linux-kernel@vger.kernel.org Subject: Re: two RCU torture bugs Message-ID: <20150824052915.GD11078@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20150823.220749.376054183826529698.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150823.220749.376054183826529698.davem@davemloft.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15082405-0013-0000-0000-000016DB154D Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Aug 23, 2015 at 10:07:49PM -0700, David Miller wrote: > > 1) Doc bug, documentation mentions torture_type such as "rcu_sync", > but those don't seem to exist. > > 2) If you specify an unrecognized type, the module cannot be unloaded. > Amusingly it says that it cannot unload because the unrecognized > torture test type you requested is "running" :-) Clearly Iftekhar was mutating the wrong code. ;-) And clearly I need to occasionally test failure cases. There is code that is supposed to unwind upon failure, but it has apparently bitrotted... Thanx, Paul