Re: [PATCH] [RFC] c/r: Add UTS support

[Cedric Le Goater <legoater-GANU6spQydw@public.gmane.org>]

Dan Smith wrote:
> DL> I guess it will be esay to implement with a nsproxy level counter.
> DL> Each time you unshare, the new nsproxy count is incremented.
> DL> Assuming the init_nsproxy is level 0, when the nsproxy counter is
> DL> > 1, the process is uncheckpointable.
> 
> This should also be possible by just making sure that the nsproxy of
> the root process being checkpointed is the same as any of the
> children, correct?  That way we avoid having to modify the core
> nsproxy bits and can still reject any nested namespaces.

Daniel L, could we cleanup the patch we have on ns_group which filters
out the clone() done with the 'wrong' clone flags ? 

Thanks,

C.