namespaces compatibility list

Cedric Le Goater clg at
Tue Nov 6 08:01:31 PST 2007

Pavel Emelyanov wrote:
> Cedric Le Goater wrote:
>> Pavel Emelyanov wrote:
>>> Hi guys!
>>> As you might have seen, recently there was some spontaneous 
>>> discussion about the namespaces-working-together problems.
>>> Ted T'so proposed to create some document that describes what
>>> problems user may have when he/she creates some new namespace,
>>> but keeps others shared. I like this idea, so here's the draft
>>> with the problems I currently have in mind and can describe 
>>> somewhat audibly - the "namespaces compatibility list".
>> that compatibility list could be encoded in the way we check
>> the clone flags in copy_process() and unshare(). It would 
>> also be good to have it as a comment somewhere in kernel/fork.c
> How can we insure, that a new task will not share the files
> with its parent to address the PID namespaces vs VFS namespaces
> interaction? There's no way to do it. We can only keep them in
> one IPC namespace...

? I'm not sure I understand you.


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