netdev - Re: [Patch net-next] ipv6: exit early in addrconf

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Message-ID: <CAM_iQpXSX4q9ZPCXrqZpCFXLduzvXgx_AgFsgHCR8wj00R8PUA@mail.gmail.com>
Date:	Fri, 12 Sep 2014 17:10:32 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Hannes Frederic Sowa <hannes@...hat.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [Patch net-next] ipv6: exit early in addrconf_notify() if IPv6 is disabled

On Fri, Sep 12, 2014 at 1:18 PM, Hannes Frederic Sowa <hannes@...hat.com> wrote:
>
> disable_ipv6 is absolutely bad implemented. It should not be in the ipv6
> procfs namespace at all. An inet6_dev must be available to manage this
> knob! Thus we are automagically subscribed to all ipv6 LL multicast
> groups.


Exactly, this is chicken and egg problem and is why we have ipv6_idev_add()
in the NETDEV_REGISTER event.
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