From owner-svn-src-all@FreeBSD.ORG  Tue Feb 28 02:59:05 2012
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 26994106564A;
	Tue, 28 Feb 2012 02:59:05 +0000 (UTC)
	(envelope-from listlog2011@gmail.com)
Received: from freefall.freebsd.org (freefall.freebsd.org
	[IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id 0DAC88FC0C;
	Tue, 28 Feb 2012 02:59:05 +0000 (UTC)
Received: from [127.0.0.1] (localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q1S2x2ZC085097;
	Tue, 28 Feb 2012 02:59:03 GMT (envelope-from listlog2011@gmail.com)
Message-ID: <4F4C42F5.2070006@gmail.com>
Date: Tue, 28 Feb 2012 10:59:01 +0800
From: David Xu <listlog2011@gmail.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1;
	rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2
MIME-Version: 1.0
To: Ivan Voras <ivoras@freebsd.org>
References: <201202271338.q1RDcqEQ020033@svn.freebsd.org>
	<CAF-QHFWA6byF6RcDDMpbAm3UhnwV+B2TW1jP1L85+zWYt-PLkA@mail.gmail.com>
In-Reply-To: <CAF-QHFWA6byF6RcDDMpbAm3UhnwV+B2TW1jP1L85+zWYt-PLkA@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, David Xu <davidxu@freebsd.org>
Subject: Re: svn commit: r232209 - in head: lib/libthr/thread sys/kern
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: davidxu@freebsd.org
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/listinfo/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: Tue, 28 Feb 2012 02:59:05 -0000

On 2012/2/27 22:29, Ivan Voras wrote:
> On 27 February 2012 14:38, David Xu<davidxu@freebsd.org>  wrote:
>> Author: davidxu
>> Date: Mon Feb 27 13:38:52 2012
>> New Revision: 232209
>> URL: http://svn.freebsd.org/changeset/base/232209
>>
>> Log:
>>   Follow changes made in revision 232144, pass absolute timeout to kernel,
>>   this eliminates a clock_gettime() syscall.
> Any chance of a MFC?
>
> I use rwlocks a lot; removing a syscall from all operations looks like
> a nice improvement.
>
Yes, I will do a MFC when it is ready. ;-)