netdev - Re: [PATCH bpf-next v3 4/4] bpf_trace: pass array of u64 values in kprobe

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Message-ID: <CAEf4BzYCU-jz9aks3q4Y+nvjkTyoqnW4CAL6KujioLOoAiJ3YA@mail.gmail.com>
Date:   Fri, 20 May 2022 16:16:57 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Eugene Syromiatnikov <esyr@...hat.com>
Cc:     Jiri Olsa <olsajiri@...il.com>, Yonghong Song <yhs@...com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH bpf-next v3 4/4] bpf_trace: pass array of u64 values in kprobe_multi.addrs

On Thu, May 19, 2022 at 10:34 AM Eugene Syromiatnikov <esyr@...hat.com> wrote:
>
> On Wed, May 18, 2022 at 04:48:59PM -0700, Andrii Nakryiko wrote:
> > Not sure how you can do that without having extra test_progs variant
> > that's running in compat mode?
>
> I think, all bpf selftests are to be run in compat mode as well,
> now is a good time to enable this as any.
>

It's going to add a noticeable delay to CI runs, which is bad. Until
we have everything set up to run test_progs flavors in parallel,
adding compat flavor is not an option.