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    SubjectRe: [PATCH bpf-next v7 5/8] selftests/bpf: Test cgroup_iter.
    On Mon, Aug 8, 2022 at 5:20 PM Andrii Nakryiko
    <andrii.nakryiko@gmail.com> wrote:
    >
    > On Fri, Aug 5, 2022 at 2:49 PM Hao Luo <haoluo@google.com> wrote:
    > >
    > > Add a selftest for cgroup_iter. The selftest creates a mini cgroup tree
    > > of the following structure:
    > >
    > > ROOT (working cgroup)
    > > |
    > > PARENT
    > > / \
    > > CHILD1 CHILD2
    > >
    > > and tests the following scenarios:
    > >
    > > - invalid cgroup fd.
    > > - pre-order walk over descendants from PARENT.
    > > - post-order walk over descendants from PARENT.
    > > - walk of ancestors from PARENT.
    > > - walk from PARENT in the default order, which is pre-order.
    > > - process only a single object (i.e. PARENT).
    > > - early termination.
    > >
    > > Acked-by: Yonghong Song <yhs@fb.com>
    > > Signed-off-by: Hao Luo <haoluo@google.com>
    > > ---
    >
    > LGTM.
    >
    > Acked-by: Andrii Nakryiko <andrii@kernel.org>
    >

    Thanks!

    > > .../selftests/bpf/prog_tests/cgroup_iter.c | 237 ++++++++++++++++++
    > > tools/testing/selftests/bpf/progs/bpf_iter.h | 7 +
    > > .../testing/selftests/bpf/progs/cgroup_iter.c | 39 +++
    > > 3 files changed, 283 insertions(+)
    > > create mode 100644 tools/testing/selftests/bpf/prog_tests/cgroup_iter.c
    > > create mode 100644 tools/testing/selftests/bpf/progs/cgroup_iter.c
    > >
    >
    > [...]

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