From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Oleg Verych <olecom@flower.upol.cz>
Cc: "Jan Beulich" <jbeulich@novell.com>,
<bridge@lists.linux-foundation.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: why network devices don't do reference counting? (Re: [PATCH] Module use count must be updated as bridges are created/destroyed)
Date: Wed, 26 Sep 2007 14:06:08 -0700 [thread overview]
Message-ID: <20070926140608.6e6d3d0c@freepuppy.rosehill> (raw)
In-Reply-To: <E1Iae5t-0007Sk-Vu@flower>
On Wed, 26 Sep 2007 23:06:53 +0200
Oleg Verych <olecom@flower.upol.cz> wrote:
> * Wed, 26 Sep 2007 08:37:05 -0700
> * Organization: Linux Foundation
> >
> > On Wed, 26 Sep 2007 08:53:27 +0100
> > "Jan Beulich" <jbeulich@novell.com> wrote:
> >
> >> Otherwise 'modprobe -r' on a module having a dependency on bridge will
> >> implicitly unload bridge, bringing down all connectivity that was
> >> using bridges.
> >>
> >> Signed-off-by: Jan Beulich <jbeulich@novell.com>
> >>
> >
> > No, network devices don't do reference counting.
>
> Could you explain why, please?
>
> After `udevd` on boot loads lots of unused crap, i surrendered, and use
> $(rmmod `lsmod | just first column`). Networing bravely wipes away. OK,
> there are lots of configs: udev, hotplug, modprobe, that somebody might
> like to fix. But it came to the end with me. I just don't care. So,
> please answer :)
> ____
For hotplug and other reasons, the network developers decided that being
able to remove a network module at any time was a good thing. It works.
--
Stephen Hemminger <shemminger@linux-foundation.org>
next prev parent reply other threads:[~2007-09-26 21:06 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 [this message]
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 ` why network devices don't do reference counting? David Miller
2007-09-27 19:01 ` 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070926140608.6e6d3d0c@freepuppy.rosehill \
--to=shemminger@linux-foundation.org \
--cc=bridge@lists.linux-foundation.org \
--cc=jbeulich@novell.com \
--cc=linux-kernel@vger.kernel.org \
--cc=olecom@flower.upol.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®