From: David Miller <davem@davemloft.net>
To: jengelh@computergmbh.de
Cc: shemminger@linux-foundation.org, helge.hafting@aitel.hist.no,
olecom@flower.upol.cz, jbeulich@novell.com,
bridge@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: why network devices don't do reference counting?
Date: Thu, 27 Sep 2007 12:15:22 -0700 (PDT) [thread overview]
Message-ID: <20070927.121522.52884745.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0709271654270.30621@fbirervta.pbzchgretzou.qr>
From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Thu, 27 Sep 2007 16:55:36 +0200 (CEST)
>
> On Sep 27 2007 07:51, Stephen Hemminger wrote:
> >
> >You need every socket to close and all routes to go away including the
> >routes through loopback device, and still there probably are control
> >sockets buried inside ipv6 that hold ref count.
> >
> >IMHO the kernel should just admit that IPV6 can't be removed.
>
> I cannot accept that. If ipv6.ko has a way to tack ipv6 structs onto all
> sockets, interfaces and addresses, it should also be able to untack it
> again.
Then you do the work and see how incredibly difficult the
implementation is, others have tried. It's not trivial
and at best it's a very time consuming piece of work to
embark on.
Until then it's un-removable, plain as that :-)
I don't know why we're wasting our fingers discussing this
at all to be honest with you.
next prev parent reply other threads:[~2007-09-27 19:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-26 7:53 [PATCH] Module use count must be updated as bridges are created/destroyed Jan Beulich
2007-09-26 15:37 ` Stephen Hemminger
2007-09-26 21:06 ` why network devices don't do reference counting? (Re: [PATCH] Module use count must be updated as bridges are created/destroyed) Oleg Verych
2007-09-26 21:06 ` Stephen Hemminger
2007-09-26 22:18 ` Jan Engelhardt
2007-09-26 22:33 ` Stephen Hemminger
2007-09-26 22:57 ` why network devices don't do reference counting? David Miller
2007-09-27 11:54 ` why network devices don't do reference counting? (Re: [PATCH] Module use count must be updated as bridges are created/destroyed) Helge Hafting
2007-09-27 14:51 ` Stephen Hemminger
2007-09-27 14:55 ` Jan Engelhardt
2007-09-27 19:15 ` David Miller [this message]
2007-09-27 19:01 ` why network devices don't do reference counting? David Miller
[not found] ` <46FAA013.76E4.0078.0@novell.com>
[not found] ` <20070926101252.3ccbb987@freepuppy.rosehill>
2007-09-27 7:40 ` [PATCH] Module use count must be updated as bridges are created/destroyed Jan Beulich
2007-09-27 14:48 ` Stephen Hemminger
2007-09-27 15:05 ` Jan Beulich
2007-09-28 5:37 ` Herbert Xu
2007-09-28 18:11 ` Stephen Hemminger
2007-09-29 0:55 ` Herbert Xu
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