Re: [RFC PATCH 0/5] cgroup/cpuset: A new "isolcpus" paritition

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On Thu, Apr 13, 2023 at 09:22:19PM -0400, Waiman Long wrote:
> I now have a slightly different idea of how to do that. We already have an
> internal cpumask for partitioning - subparts_cpus. I am thinking about
> exposing it as cpuset.cpus.reserve. The current way of creating
> subpartitions will be called automatic reservation and require a direct
> parent/child partition relationship. But as soon as a user write anything to
> it, it will break automatic reservation and require manual reservation going
> forward.
> 
> In that way, we can keep the old behavior, but also support new use cases. I
> am going to work on that.

I'm not sure I fully understand the proposed behavior but it does sound more
quirky.

Thanks.

-- 
tejun



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