linux-kernel - Re: [bpf-next v3 2/2] selftests/bpf: Add testcases for pinning to errpath

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Date:   Wed, 21 Sep 2022 17:38:10 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Wang Yufen <wangyufen@...wei.com>
Cc:     andrii@...nel.org, ast@...nel.org, daniel@...earbox.net,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu, davem@...emloft.net,
        kuba@...nel.org, hawk@...nel.org, nathan@...nel.org,
        ndesaulniers@...gle.com, trix@...hat.com, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: Re: [bpf-next v3 2/2] selftests/bpf: Add testcases for pinning to errpath

On Sun, Sep 18, 2022 at 7:28 PM Wang Yufen <wangyufen@...wei.com> wrote:
>
> Add testcases for map and prog pin to errpath.
>
> Signed-off-by: Wang Yufen <wangyufen@...wei.com>
> ---

let's drop this selftest, it does global system manipulations just to
check those two if conditions inside pathname_concat(), probably not
worth it.

Also for the future, we shouldn't use CHECK() in new selftests (we
still have CHECK()s because there are like 2 thousand of them in old
selftest, so clean up is not trivial).

>  tools/testing/selftests/bpf/prog_tests/pinning.c   | 67 ++++++++++++++++++++++
>  .../selftests/bpf/progs/test_pinning_path.c        | 19 ++++++
>  2 files changed, 86 insertions(+)
>  create mode 100644 tools/testing/selftests/bpf/progs/test_pinning_path.c
>

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