From owner-svn-src-all@FreeBSD.ORG  Sun Jun 30 11:10:21 2013
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id 69205469;
 Sun, 30 Jun 2013 11:10:21 +0000 (UTC)
 (envelope-from julian@freebsd.org)
Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16])
 by mx1.freebsd.org (Postfix) with ESMTP id 3EFB71B6F;
 Sun, 30 Jun 2013 11:10:20 +0000 (UTC)
Received: from jre-mbp.elischer.org
 (ppp121-45-226-51.lns20.per1.internode.on.net [121.45.226.51])
 (authenticated bits=0)
 by vps1.elischer.org (8.14.5/8.14.5) with ESMTP id r5UBAF5H072674
 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO);
 Sun, 30 Jun 2013 04:10:18 -0700 (PDT)
 (envelope-from julian@freebsd.org)
Message-ID: <51D01211.2030408@freebsd.org>
Date: Sun, 30 Jun 2013 19:10:09 +0800
From: Julian Elischer <julian@freebsd.org>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8;
 rv:17.0) Gecko/20130620 Thunderbird/17.0.7
MIME-Version: 1.0
To: Jilles Tjoelker <jilles@stack.nl>
Subject: Re: svn commit: r252346 - head/share/man/man9
References: <201306281633.r5SGXjFU017827@svn.freebsd.org>
 <51CEDE2B.60204@freebsd.org> <51CEE326.2010903@freebsd.org>
 <20130629140206.GA25876@stack.nl>
In-Reply-To: <20130629140206.GA25876@stack.nl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org, John Baldwin <jhb@freebsd.org>
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 30 Jun 2013 11:10:21 -0000

On 6/29/13 10:02 PM, Jilles Tjoelker wrote:
> On Sat, Jun 29, 2013 at 09:37:42PM +0800, Julian Elischer wrote:
>> On 6/29/13 9:16 PM, Julian Elischer wrote:
>>>> -If the owner is not currently actually running then the spin step
>>>> is skipped.
>>>> +then a thread attempting to acquire the mutex will spin rather
>>>> than yielding
>>>> +the processor.
>> Am I wrong in thinking that it will only spin for a short while,
>> eventually yielding?
>> The original text said this but the new text implies it will spin
>> forever.
> The code actually spins until the state of the lock changes or the
> owning thread is no longer running.

either way I think this needs clarification.

>