Messages in this thread | | | Date | Thu, 27 Sep 2007 13:54:23 +0200 | From | Helge Hafting <> | Subject | Re: why network devices don't do reference counting? (Re: [PATCH] Module use count must be updated as bridges are created/destroyed) |
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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.
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