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From:   Andrii Nakryiko <andrii.nakryiko@gmail.com>
Date:   Thu, 25 Aug 2022 14:56:45 -0700
Message-ID: <CAEf4BzaQOj3QqEbKKXhgUmWMF3gef-8+a-dYoe_t4=g+cM2KaQ@mail.gmail.com>
Subject: Re: [PATCH bpf-next 0/2] Add CGROUP prefix to cgroup_iter_order
To:     Hao Luo <haoluo@google.com>
Cc:     linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
        netdev@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
        Andrii Nakryiko <andrii@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <martin.lau@linux.dev>,
        Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
        KP Singh <kpsingh@kernel.org>,
        John Fastabend <john.fastabend@gmail.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Stanislav Fomichev <sdf@google.com>,
        Yosry Ahmed <yosryahmed@google.com>
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On Thu, Aug 25, 2022 at 2:39 PM Hao Luo <haoluo@google.com> wrote:
>
> As suggested by Andrii, add 'CGROUP' to cgroup_iter_order. This fix is
> divided into two patches. Patch 1/2 fixes the commit that introduced
> cgroup_iter. Patch 2/2 fixes the selftest that uses the
> cgroup_iter_order. This is because the selftest was introduced in a

but if you split rename into two patches, you break selftests build
and thus potentially bisectability of selftests regressions. So I
think you have to keep both in the same patch.

With that:

Acked-by: Andrii Nakryiko <andrii@kernel.org>

> different commit. I tested this patchset via the following command:
>
>   test_progs -t cgroup,iter,btf_dump
>
> Hao Luo (2):
>   bpf: Add CGROUP to cgroup_iter order
>   selftests/bpf: Fix test that uses cgroup_iter order
>
>  include/uapi/linux/bpf.h                      | 10 +++---
>  kernel/bpf/cgroup_iter.c                      | 32 +++++++++----------
>  tools/include/uapi/linux/bpf.h                | 10 +++---
>  .../selftests/bpf/prog_tests/btf_dump.c       |  2 +-
>  .../prog_tests/cgroup_hierarchical_stats.c    |  2 +-
>  .../selftests/bpf/prog_tests/cgroup_iter.c    | 10 +++---
>  6 files changed, 33 insertions(+), 33 deletions(-)
>
> --
> 2.37.2.672.g94769d06f0-goog
>