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SubjectRe: [PATCHv3 8/8] cgroup: Add documentation for cgroup namespaces
Hey,

On Tue, Feb 10, 2015 at 11:02:40PM -0600, Eric W. Biederman wrote:
> A slightly off topic comment, for where this thread has gone but
> relevant if we are talking about cgroup namespaces.
>
> If don't implement compatibility with existing userspace, they get a
> nack. A backwards-incompatible change should figure out how to remove
> the need for any namespaces.
>
> Because that is what namespaces are about backwards compatibility.

Are you claiming that namespaces are soley about backwards
compatibility? ie. to trick userland into scoping without letting it
notice? That's a very restricted view and namespaces do provide
further isolation capabilties in addition to what can be achieved
otherwise and it is logical to collect simliar funtionalities there.

Thanks.

--
tejun


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