[patch 1/1][NETNS][IPV6] protect addrconf from loopback registration

[YOSHIFUJI Hideaki / 吉藤英明]

In article <m16407450i.fsf at ebiederm.dsl.xmission.com> (at Mon, 12 Nov 2007 12:50:53 -0700), ebiederm at xmission.com (Eric W. Biederman) says:

> My opinion is that both your analysis is slightly off (as to the cause
> of your problems) and that your approach to fix your problem is wrong
> because you don't untangle the knot you keep it.
:
> I have register_pernet_subsys and register_per_net_device to ensure
> that when we create a new network namespace all of the subsystems are
> initialized before the network devices are initialize.  So ipv6 should
> be ready before we initialize the new loopback device comes into
> existence.

User may not load ipv6.ko at boot, and then do "modprobe ipv6".
Do you take this into account?

--yoshfuji