From owner-freebsd-arch  Thu Feb 21  0:40:10 2002
Delivered-To: freebsd-arch@freebsd.org
Received: from rwcrmhc52.attbi.com (rwcrmhc52.attbi.com [216.148.227.88])
	by hub.freebsd.org (Postfix) with ESMTP
	id AD74A37B404; Thu, 21 Feb 2002 00:40:07 -0800 (PST)
Received: from InterJet.elischer.org ([12.232.206.8])
          by rwcrmhc52.attbi.com
          (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP
          id <20020221084007.LXHW1147.rwcrmhc52.attbi.com@InterJet.elischer.org>;
          Thu, 21 Feb 2002 08:40:07 +0000
Received: from localhost (localhost.elischer.org [127.0.0.1])
	by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id AAA66782;
	Thu, 21 Feb 2002 00:23:07 -0800 (PST)
Date: Thu, 21 Feb 2002 00:23:05 -0800 (PST)
From: Julian Elischer <julian@elischer.org>
To: Matthew Dillon <dillon@apollo.backplane.com>
Cc: jhb@FreeBSD.ORG, arch@FreeBSD.ORG
Subject: Re: that INVARIANT/ucred freeing stuff.
In-Reply-To: <200202210755.g1L7t5F93967@apollo.backplane.com>
Message-ID: <Pine.BSF.4.21.0202210019480.66508-100000@InterJet.elischer.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-arch@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-arch.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-arch>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-arch>
X-Loop: FreeBSD.ORG

If he REALLY wants it to be zero, then we can just hold it in another
field, and zero the one that is referenced..i.e.on leaving the kernel:
td->td_held_ucred == td->td_ucred;
td->td_ucred = NULL;

and on entering the kernel:
td->td_ucred = td->td_held_ucred;
td->td_held_ucred = NULL;
if (td->td_ucred != p->p_ucred) 
	cred_update_thread(td);


On Wed, 20 Feb 2002, Matthew Dillon wrote:

> 
> :I REALLY want to just rip it out!
> :
> :julian
> 
>     Ditto.  I don't mind optioning it (i.e. option to recover zeroing code,
>     default to rip it out), but I would much prefer to simply see it gone.
> 
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@backplane.com>
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-arch" in the body of the message
> 


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message