Re: [RFC PATCH v2 11/17] cgroup: Implement new thread mode semantics

From: Tejun Heo
Date: Thu Jun 01 2017 - 16:52:22 EST


Hello,

On Thu, Jun 01, 2017 at 04:48:48PM -0400, Waiman Long wrote:
> I think we are on agreement here. I should we should just document how
> userland can work around the internal process competition issue by
> setting up the cgroup hierarchy properly. Then we can remove the no
> internal process constraint.

Heh, we agree on the immediate solution but not the final direction.
This requirement affects how controllers implement resource control in
significant ways. It is a restriction which can be worked around in
userland relatively easily. I'd much prefer to keep the invariant
intact.

Thanks.

--
tejun