From owner-cvs-all@FreeBSD.ORG Tue Jan 31 18:39:50 2006 Return-Path: X-Original-To: cvs-all@freebsd.org Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1CED616A468; Tue, 31 Jan 2006 18:39:50 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id 71A5843D5E; Tue, 31 Jan 2006 18:39:47 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.5b3) with ESMTP id 7417303 for multiple; Tue, 31 Jan 2006 13:38:43 -0500 Received: from localhost (john@localhost [127.0.0.1]) by server.baldwin.cx (8.13.4/8.13.4) with ESMTP id k0VIdgEt085358; Tue, 31 Jan 2006 13:39:42 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: Peter Jeremy Date: Tue, 31 Jan 2006 13:40:49 -0500 User-Agent: KMail/1.9.1 References: <200601272313.k0RNDQHI064747@repoman.freebsd.org> <20060128141445.GC2341@turion.vk2pj.dyndns.org> In-Reply-To: <20060128141445.GC2341@turion.vk2pj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200601311340.51250.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1263/Tue Jan 31 09:48:20 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-1.4 required=4.2 tests=ALL_TRUSTED autolearn=failed version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx X-Server: High Performance Mail Server - http://surgemail.com r=1653887525 Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/conf files options src/sys/kern kern_rwlock.c subr_lock.c src/sys/sys lock.h rwlock.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2006 18:39:50 -0000 On Saturday 28 January 2006 09:14, Peter Jeremy wrote: > On Fri, 2006-Jan-27 23:13:26 +0000, John Baldwin wrote: > > Log: > > Add a basic reader/writer lock implementation to the kernel. > > Thank you. This looks interesting. > > > Tested on: i386 (4 cpu box with a kernel module that used 4 threads > > that randomly chose between read locks and write locks > > that ran w/o panicing for over a day solid. It usually > > panic'd within a few seconds when there were bugs during > > testing. :) The kernel module source is available on > > request.) > > Can I suggest that this module be committed into tools/regression or > similar so that it is generally available. I can I guess. I have 3 currently (crash, evtest, and crash2 (which is the latest one that uses multiple threads, crash just has a single thread)). -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org