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Date:   Thu, 23 Sep 2021 06:01:09 -1000
From:   Tejun Heo <>
To:     Xingyou Chen <>
Cc:     Vipin Sharma <>,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Subject: Re: [PATCH v4 0/3] cgroup: New misc cgroup controller

On Thu, Sep 23, 2021 at 11:38:49PM +0800, Xingyou Chen wrote:
> > Misc controller is a generic controller which can be used by these
> > kinds of resources.
> Will we make this dynamic? Let resources be registered via something
> like misc_cg_res_{register,unregister}, at compile time or runtime,
> instead of hard coded into misc_res_name/misc_res_capacity etc.
> There are needs as noted in drmcg session earlier this year. We may
> make misc cgroup stable, and let device drivers to register their
> own resources.

Not too likely given that the need for one-off resources for a specific
driver seems to indicate lack of proper abstraction and control mechanism
more than anything else. Even for cases where there are genuine needs for
per-hardware knobs, I think it's prudent to enforce a review cycle which
involves people who aren't directly working on the specific driver.



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