Re: [Documentation] State of CPU controller in cgroup v2

[Peter Zijlstra]

On Thu, Sep 15, 2016 at 01:08:07PM -0700, Andy Lutomirski wrote:
> BTW, Mike keeps mentioning exclusive cgroups as problematic with the
> no-internal-tasks constraints.  Do exclusive cgroups still exist in
> cgroup2?  Could we perhaps just remove that capability entirely?  I've
> never understood what problem exlusive cpusets and such solve that
> can't be more comprehensibly solved by just assigning the cpusets the
> normal inclusive way.

Without exclusive sets we cannot split the sched_domain structure.
Which leads to not being able to actually partition things. That would
break DL for one.