Re: [RFC][patch 0/1] fix allnoconfig for net-2.6.24

[Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>]

Eric W. Biederman wrote:
> dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org writes:
> 
>> The kernel compilation fails with allnoconfig with an unresolved to init_net.
>> I tryed to figure out how to fix that. The problem is raised because the
>> init_net
>> variable is defined as extern in net_namespace.h while the variable is declared
>> in net_namespace.c. This file is not compiled because of the config options and
>> that leads to the compilation error.
> 
> Ok.  We seem to have the same issue with the ipc namespace.
> And it uses the INIT_IPC_NS macro to handle it.
> 
> I wonder if we can do something similar here.
> 
> It looks like the initialization of nsproxy is the big gotcha.
> 
>> I noticed the uts namespace defines the init_uts_ns in init/version.c, so I
>> moved
>> the init_net to this file too. The compilation error is fixed.
>>
>> But I don't like really this approach because:
>> 	1 - we fall under a part not covered by the network
>> 	2 - we add a new include net_namespace.h in version.c
>>
>> Does this fix seems correct ? I just want to fix it for now to have net-2.6.24
>> compiling for all configs.
> 
> I think we can probably spend a couple more hours and fix things cleanly.
> If that we can't figure out a clean solution I'm happy to deal with the
> hack.  But if we can find something clean and maintainable I would
> very much prefer that.
> 
> So do you think you can come up with something based on the model
> of INIT_IPC_NS?

Sure, I will send it in a few hours ...