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Message-ID: <0f459fc1-1445-6e83-ace4-b2c42abfe884@iogearbox.net>
Date: Wed, 3 Apr 2024 16:40:38 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Pu Lehui <pulehui@...weicloud.com>, bpf@...r.kernel.org,
 linux-riscv@...ts.infradead.org, netdev@...r.kernel.org
Cc: Björn Töpel <bjorn@...nel.org>,
 Alexei Starovoitov <ast@...nel.org>, Andrii Nakryiko <andrii@...nel.org>,
 Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman
 <eddyz87@...il.com>, Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>,
 Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>,
 Jiri Olsa <jolsa@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
 Pu Lehui <pulehui@...wei.com>
Subject: Re: [PATCH bpf-next v3 2/2] selftests/bpf: Add testcase where 7th
 argment is struct

On 4/3/24 9:28 AM, Pu Lehui wrote:
> From: Pu Lehui <pulehui@...wei.com>
> 
> Add testcase where 7th argument is struct for architectures with 8
> argument registers, and increase the complexity of the struct.
> 
> Signed-off-by: Pu Lehui <pulehui@...wei.com>
> Acked-by: Björn Töpel <bjorn@...nel.org>
> Reviewed-by: Björn Töpel <bjorn@...osinc.com>
> ---
>   tools/testing/selftests/bpf/DENYLIST.aarch64  |  1 +
>   .../selftests/bpf/bpf_testmod/bpf_testmod.c   | 19 ++++++++++
>   .../selftests/bpf/prog_tests/tracing_struct.c | 13 +++++++
>   .../selftests/bpf/progs/tracing_struct.c      | 35 +++++++++++++++++++
>   4 files changed, 68 insertions(+)
> 
> diff --git a/tools/testing/selftests/bpf/DENYLIST.aarch64 b/tools/testing/selftests/bpf/DENYLIST.aarch64
> index d8ade15e2789..639ee3f5bc74 100644
> --- a/tools/testing/selftests/bpf/DENYLIST.aarch64
> +++ b/tools/testing/selftests/bpf/DENYLIST.aarch64
> @@ -6,6 +6,7 @@ kprobe_multi_test                                # needs CONFIG_FPROBE
>   module_attach                                    # prog 'kprobe_multi': failed to auto-attach: -95
>   fentry_test/fentry_many_args                     # fentry_many_args:FAIL:fentry_many_args_attach unexpected error: -524
>   fexit_test/fexit_many_args                       # fexit_many_args:FAIL:fexit_many_args_attach unexpected error: -524
> +tracing_struct                                   # test_fentry:FAIL:tracing_struct__attach unexpected error: -524

Do we need to blacklist the whole test given it had coverage on arm64
before.. perhaps this test here could be done as a new subtest and only
that one is listed for arm64?

>   fill_link_info/kprobe_multi_link_info            # bpf_program__attach_kprobe_multi_opts unexpected error: -95
>   fill_link_info/kretprobe_multi_link_info         # bpf_program__attach_kprobe_multi_opts unexpected error: -95
>   fill_link_info/kprobe_multi_invalid_ubuff        # bpf_program__attach_kprobe_multi_opts unexpected error: -95

Thanks,
Daniel

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