linux-kernel - Re: [RFC PATCH 1/3] misc_cgroup: introduce misc.events and misc

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Message-ID: <20210910103306.GA24156@blackbody.suse.cz>
Date:   Fri, 10 Sep 2021 12:33:06 +0200
From:   Michal Koutný <mkoutny@...e.com>
To:     brookxu <brookxu.cn@...il.com>, tj@...nel.org
Cc:     Vipin Sharma <vipinsh@...gle.com>, lizefan.x@...edance.com,
        hannes@...xchg.org, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org
Subject: Re: [RFC PATCH 1/3] misc_cgroup: introduce misc.events and
 misc_events.local

On Fri, Sep 10, 2021 at 01:20:37PM +0800, brookxu <brookxu.cn@...il.com> wrote:
> Yeah, this is more reasonable. But there is still one question, whether we
> need to be consistent with other cgroup subsystems, events and events.local
> under v1 should not support hierarchy？

My take is that it's acceptable to present the v2-like files in v1 too
for the sake of simplicity since:
- this is not used yet,
- the v1 is less conventional and
- the presence of events.local would cater even to cases with tasks in
  inner nodes.

It'd be good to have Tejun's insight on this too.

Michal