Re: [patch] PID namespace design bug, workaround

[Pavel Emelyanov <xemul@openvz.org>]

Ulrich Drepper wrote:
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> Pavel Emelyanov wrote:
>> With this set we'll be able to mark pid namespaces as EXPERIMENTAL
>> or even BROKEN, so nobody will be able to crate them. So can we, please, 
>> keep things as they are for now - the appropriate fix will be ready 
>> soon.
> 
> You sound far too optimistic for my taste.  I probably haven't seen the
> proposal you have in mind but everything else I have seen simply doesn't
> work without breaking something.

The "fix" I mention is just returning -EINVAL in case user orders 
CLONE_NEWPIDS and compiling out all the namespace cloning code. This 
is just a more elegant way to get rid of pid namespaces rather than 
Ingo proposed.

Here's the root of the set:
http://lkml.org/lkml/2007/10/31/118

Thanks,
Pavel
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