netdev - Re: [PATCH 6/6] selftest/bpf: Add test for allowed trampolines count

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Message-ID: <CAADnVQJO7cObUhqLbEB6+hKaPj1SStNfuhzXShC1XmAt217y8g@mail.gmail.com>
Date:   Tue, 21 Jan 2020 16:10:26 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Andrii Nakryiko <andriin@...com>,
        Yonghong Song <yhs@...com>, Martin KaFai Lau <kafai@...com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        David Miller <davem@...hat.com>,
        Björn Töpel <bjorn.topel@...el.com>,
        John Fastabend <john.fastabend@...il.com>
Subject: Re: [PATCH 6/6] selftest/bpf: Add test for allowed trampolines count

On Tue, Jan 21, 2020 at 4:05 AM Jiri Olsa <jolsa@...nel.org> wrote:
>
> There's limit of 40 programs tht can be attached
> to trampoline for one function. Adding test that
> tries to attach that many plus one extra that needs
> to fail.
>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

I don't mind another test. Just pointing out that there is one
for this purpose already :)
prog_tests/fexit_stress.c
Yours is better. Mine wasn't that sophisticated. :)