linux-kernel - Re: [PATCH bpf-next 0/4] Support storing struct cgroup * objects as kptrs

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Message-Id: <166915801701.32558.522988930386371911.git-patchwork-notify@kernel.org>
Date:   Tue, 22 Nov 2022 23:00:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     David Vernet <void@...ifault.com>
Cc:     bpf@...r.kernel.org, ast@...nel.org, andrii@...nel.org,
        daniel@...earbox.net, martin.lau@...ux.dev, yhs@...com,
        song@...nel.org, sdf@...gle.com, john.fastabend@...il.com,
        kpsingh@...nel.org, jolsa@...nel.org, haoluo@...gle.com,
        tj@...nel.org, kernel-team@...com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next 0/4] Support storing struct cgroup * objects as kptrs

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Mon, 21 Nov 2022 23:54:54 -0600 you wrote:
> In [0], we added support for storing struct task_struct * objects as
> kptrs. This patch set extends this effort to also include storing struct
> cgroup * object as kptrs.
> 
> As with tasks, there are many possible use cases for storing cgroups in
> maps. During tracing, for example, it could be useful to query cgroup
> statistics such as PSI averages, or tracking which tasks are migrating
> to and from the cgroup.
> 
> [...]

Here is the summary with links:
  - [bpf-next,1/4] bpf: Enable cgroups to be used as kptrs
    https://git.kernel.org/bpf/bpf-next/c/fda01efc6160
  - [bpf-next,2/4] selftests/bpf: Add cgroup kfunc / kptr selftests
    https://git.kernel.org/bpf/bpf-next/c/f583ddf15e57
  - [bpf-next,3/4] bpf: Add bpf_cgroup_ancestor() kfunc
    https://git.kernel.org/bpf/bpf-next/c/5ca786707829
  - [bpf-next,4/4] selftests/bpf: Add selftests for bpf_cgroup_ancestor() kfunc
    https://git.kernel.org/bpf/bpf-next/c/227a89cf5041

You are awesome, thank you!
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