From owner-freebsd-hackers@FreeBSD.ORG  Fri Mar 28 19:44:44 2014
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 84EE7AD5;
 Fri, 28 Mar 2014 19:44:44 +0000 (UTC)
Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "vps1.elischer.org",
 Issuer "CA Cert Signing Authority" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 57FD5AB6;
 Fri, 28 Mar 2014 19:44:44 +0000 (UTC)
Received: from julian-mbp3.pixel8networks.com
 (50-196-156-133-static.hfc.comcastbusiness.net [50.196.156.133])
 (authenticated bits=0)
 by vps1.elischer.org (8.14.8/8.14.8) with ESMTP id s2SJif6M022821
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO);
 Fri, 28 Mar 2014 12:44:42 -0700 (PDT)
 (envelope-from julian@freebsd.org)
Message-ID: <5335D126.7040904@freebsd.org>
Date: Fri, 28 Mar 2014 12:44:38 -0700
From: Julian Elischer <julian@freebsd.org>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9;
 rv:24.0) Gecko/20100101 Thunderbird/24.4.0
MIME-Version: 1.0
To: Chris Torek <torek@mail.torek.net>, freebsd-hackers@freebsd.org,
 kib@freebsd.org
Subject: Re: slight problem with r254457 (kthread_add fix)
References: <201403280932.s2S9W5s3073181@elf.torek.net>
In-Reply-To: <201403280932.s2S9W5s3073181@elf.torek.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers/>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 28 Mar 2014 19:44:44 -0000

On 3/28/14, 2:32 AM, Chris Torek wrote:
> (Overall, I like the "make MD code clean things up" method
> better.  Depending on thread0 state is pretty hacky.  It's
> just more work to check everything.)
>
> (I remember when someone, I think it may have been Mike Karels,
> shuffled all the members of "struct proc" around so that we could
> use the bcopy-some, bzero-some method to speed up fork().  It's
> a hack too, but it's a nice one, and it's still in there, in
> modified form. :-) )
yes I kept that when I made the separate thread structure.
both the thread and process structures do the same thing..

>
> Chris
>