Eric W. Biederman wrote:
> This patch makes loopback_dev per network namespace.  Adding
> code to create a different loopback device for each network
> namespace and adding the code to free a loopback device
> when a network namespace exits.
> 
> This patch modifies all users the loopback_dev so they
> access it as init_net.loopback_dev, keeping all of the
> code compiling and working.  A later pass will be needed to
> update the users to use something other than the initial network
> namespace.

A pity that an important bit of explanation is missed. The
initialization of loopback_dev is moved from a chain of devices
(init_module) to a subsystem initialization to keep proper order, i.e.
we must be sure that the initialization order is correct.

Regards,
	Den
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