lkml.org 
[lkml]   [2007]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: why network devices don't do reference counting? (Re: [PATCH] Module use count must be updated as bridges are created/destroyed)
Stephen Hemminger wrote:
> On Thu, 27 Sep 2007 00:18:55 +0200 (CEST)
> Jan Engelhardt <jengelh@computergmbh.de> wrote:
>
>
>> On Sep 26 2007 14:06, Stephen Hemminger wrote:
>>
>>>>> 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.
>>>
>> Except that for ipv6.ko, it's all opposite. After modprobe,
>> it already got a refcount like 8 and you're wondering how
>> to get rid of that.
>>
>
> ipv6 is not a network driver, it is a protocol. You might be able to remove it if you zap
> all the routes and applications, ...
>
Wouldn't it be enough to down all the interfaces and close all the sockets?
No need to bring down every app.

Helge Hafting
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-27 13:57    [W:0.087 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site