From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751722AbaILOu6 (ORCPT ); Fri, 12 Sep 2014 10:50:58 -0400 Received: from homie.mail.dreamhost.com ([208.97.132.208]:41337 "EHLO homiemail-a61.g.dreamhost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750944AbaILOu4 (ORCPT ); Fri, 12 Sep 2014 10:50:56 -0400 Message-ID: <1410533379.2166.14.camel@linux-t7sj.site> Subject: Re: [PATCH 8/9] locktorture: Support rwsems From: Davidlohr Bueso To: Peter Zijlstra Cc: paulmck@linux.vnet.ibm.com, mingo@kernel.org, linux-kernel@vger.kernel.org Date: Fri, 12 Sep 2014 07:49:39 -0700 In-Reply-To: <20140912073729.GK346@worktop.programming.kicks-ass.net> References: <1410493224-3312-1-git-send-email-dave@stgolabs.net> <1410496890.2166.11.camel@linux-t7sj.site> <20140912073729.GK346@worktop.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2014-09-12 at 09:37 +0200, Peter Zijlstra wrote: > On Thu, Sep 11, 2014 at 09:41:30PM -0700, Davidlohr Bueso wrote: > > We can easily do so with our new reader lock support. Just an arbitrary > > design default: readers have higher (5x) critical region latencies than > > writers: 50 ms and 10 ms, respectively. > > > > Nice, could you copy/paste this into a rwlock test as well? Indeed, if folks like what the see in this patchset then adding more locks is pretty trivial.