linux-kernel - Re: [PATCH v3 19/28] cgroup/misc: Add per resource callbacks for CSS events

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Message-Id: <CU4H4O6WHRY2.2Q6YGBQQFJBK5@seitikki>
Date:   Mon, 17 Jul 2023 13:16:04 +0000
From:   "Jarkko Sakkinen" <jarkko@...nel.org>
To:     "Haitao Huang" <haitao.huang@...ux.intel.com>,
        <dave.hansen@...ux.intel.com>, <tj@...nel.org>,
        <linux-kernel@...r.kernel.org>, <linux-sgx@...r.kernel.org>,
        <cgroups@...r.kernel.org>, "Zefan Li" <lizefan.x@...edance.com>,
        "Johannes Weiner" <hannes@...xchg.org>
Cc:     <kai.huang@...el.com>, <reinette.chatre@...el.com>,
        "Kristen Carlson Accardi" <kristen@...ux.intel.com>,
        <zhiquan1.li@...el.com>
Subject: Re: [PATCH v3 19/28] cgroup/misc: Add per resource callbacks for
 CSS events

On Wed Jul 12, 2023 at 11:01 PM UTC, Haitao Huang wrote:
> From: Kristen Carlson Accardi <kristen@...ux.intel.com>
>
> Consumers of the misc cgroup controller might need to perform separate
> actions for Cgroups Subsystem State(CSS) events: cgroup alloc and free.
> In addition, writes to the max value may also need separate action. Add
> the ability to allow downstream users to setup callbacks for these
> operations, and call the corresponding per-resource-type callback when
> appropriate.
>
> This code will be utilized by the SGX driver in a future patch.
>
> Signed-off-by: Kristen Carlson Accardi <kristen@...ux.intel.com>
> Signed-off-by: Haitao Huang <haitao.huang@...ux.intel.com>

Ditto. Belongs to the head of the patch set.

BR, Jarkko