From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965003AbbEMBHo (ORCPT ); Tue, 12 May 2015 21:07:44 -0400 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:34425 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934024AbbEMBHn (ORCPT ); Tue, 12 May 2015 21:07:43 -0400 Date: Tue, 12 May 2015 18:07:37 -0700 From: josh@joshtriplett.org To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com Subject: Re: [PATCH tip/core/rcu 0/13] Torture-test updates for 4.2 Message-ID: <20150513010737.GH14292@cloud> References: <20150512225753.GA5012@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150512225753.GA5012@linux.vnet.ibm.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 12, 2015 at 03:57:53PM -0700, Paul E. McKenney wrote: > Hello! > > This series contains torture-test updates: > > 1. Use correct locking primitive, thus avoiding deadlock, courtesy > of Alexey Kodanev. > > 2. Exchange TREE03 and TREE04 geometries in order to improve bug-location > rates. > > 3. Exchange TREE03 and TREE08 NR_CPUS, speed up CPU hotplug to further > improve bug-location rates. > > 4. Allow negative values of nreaders to in order to oversubscribe > the CPUs, again to improve bug-location rates. > > 5. Change longdelay_us to longdelay_ms in order to better reflect > reality. (Not that gcc cares, but people reading the code just > might.) > > 6. Replace open-coded memory barriers with the shiny new > smp_store_release() and smp_load_acquire() primitives. > > 7. Test SRCU cleanup code path in order to improve test coverage. > > 8. Avoid explicitly setting CONFIG_TASKS_RCU, given that it is > now set implicitly based on other configuration options. > > 9. Update configuration fragments from CONFIG_RCU_FANOUT_EXACT to > the new rcutree.rcu_fanout_exact= boot parameter. > > 10. Make rcutorture scripts force RCU_EXPERT so that they can still > build the needed kernel configurations. > > 11. Update TREE_RCU-kconfig.txt to describe new kernel-parameter > setup. > > 12. Make torture scripts display "make oldconfig" errors > > 13. Allow repetition factors in Kconfig-fragment lists. Because > typing 48 repetitions of "TINY02" is getting old. I replied to patches 4 and 11 with feedback. For the rest: Reviewed-by: Josh Triplett