Re: [ANNOUNCE] udev 0.1 release

Andrew Morton (akpm@digeo.com)
Sat, 12 Apr 2003 01:52:53 -0700

Oliver Neukum <oliver@neukum.org> wrote:
>
>
> > The pipe/socket solution is probably better anyway, I was just
> > wondering why /sbin/hotplug wasn't serialized from the start.
>
> It was. Deadlocks happened and the semaphore was removed.
> I don't remember details. They might be in the archives.
>

register_netdevice() is called under rtnl_lock. It calls
net_run_sbin_hotplug() which ends up waiting on ifconfig. But
ifconfig needs rtnl_lock.

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