Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them

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On 09/12/2012 09:11 PM, Tejun Heo wrote:
> Hello,
> 
> On Wed, Sep 12, 2012 at 05:49:07PM +0200, Michal Hocko wrote:
>>> While I respect your goal of not warning about any configuration
>>> with max_level = 1, I believe the only sane configuration as soon
>>> as we get any 2nd-level child is use_hierarchy = 1 for everybody.
>>>
>>> Everything aside from it should be warned.
>>
>> Defintely. And that what the above guarantess, doesn't it?
> 
> I'm getting a bit worried that I might not be fully understanding what
> your concern is.  Can you please elaborate what your worries are and
> the transition plan that you have in your mind regarding
> .use_hierarchy?
> 

This is getting confusing for me as well, because I don't know if your
reply was targeted towards me or Michal. As for me, I am in agreement
with what you did, and I merely replied to Michal's concern and
suggestion of not warning in the special 1-st level only setups saying I
side with you.

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