Re: [PATCH bpf-next v3 3/6] selftests/bpf: ksyms_btf to test typed ksyms

From: Andrii Nakryiko
Date: Mon Sep 21 2020 - 13:57:17 EST


On Wed, Sep 16, 2020 at 3:39 PM Hao Luo <haoluo@xxxxxxxxxx> wrote:
>
> Selftests for typed ksyms. Tests two types of ksyms: one is a struct,
> the other is a plain int. This tests two paths in the kernel. Struct
> ksyms will be converted into PTR_TO_BTF_ID by the verifier while int
> typed ksyms will be converted into PTR_TO_MEM.
>
> Signed-off-by: Hao Luo <haoluo@xxxxxxxxxx>
> ---

LGTM.

Acked-by: Andrii Nakryiko <andriin@xxxxxx>

> .../testing/selftests/bpf/prog_tests/ksyms.c | 38 ++++------
> .../selftests/bpf/prog_tests/ksyms_btf.c | 70 +++++++++++++++++++
> .../selftests/bpf/progs/test_ksyms_btf.c | 23 ++++++
> tools/testing/selftests/bpf/trace_helpers.c | 27 +++++++
> tools/testing/selftests/bpf/trace_helpers.h | 4 ++
> 5 files changed, 137 insertions(+), 25 deletions(-)
> create mode 100644 tools/testing/selftests/bpf/prog_tests/ksyms_btf.c
> create mode 100644 tools/testing/selftests/bpf/progs/test_ksyms_btf.c
>

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