[PATCHv3 8/8] cgroup: Add documentation for cgroup namespaces

[Eric W. Biederman]

ebiederm at xmission.com (Eric W. Biederman) writes:

> Tejun Heo <tj at kernel.org> writes:
>
>> On Wed, Jan 07, 2015 at 05:02:17PM -0600, Eric W. Biederman wrote:
>>> Ignoring namespace details for a moment. The following should be
>>> possible with a unified hierarchy.  If it is not it is a show stopper
>>> of a regression.
>>
>> The -o SUBSYS option doesn't exist.  Jesus, at least get yourself
>> familiar with the basics before claiming random stuff.

Oh let's see I got that command line option out of /proc/mounts and yes
it works.  Perhaps it doesn't if I invoke unified hiearchies but the
option does in fact exist and work.

Now I really do need to test report regressions, and send probably send
regression fixes.  If I understand your strange ranting I think you just
told me that option that -o SUBSYS does work with unified hierarchies.

Tejun.  I asked you specifically about this case 2 years ago at plumbers
and you personally told me this would continue to work.  I am going to
hold you to that.

Fixing bugs is one thing.  Gratuitious regressions that make supporting
existing user space applications insane is another.

Eric