linux-kernel - Re: [PATCH] compiler-clang: remove version check for BPF Tracing

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Message-ID: <CANiq72m9xX78==qAyu5dKPv-26tPh=ia4xORivvpvwbtoENSqQ@mail.gmail.com>
Date:   Thu, 5 Nov 2020 03:22:46 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Chen Yu <yu.chen.surf@...il.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andrii@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Marco Elver <elver@...gle.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Randy Dunlap <rdunlap@...radead.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Ingo Molnar <mingo@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] compiler-clang: remove version check for BPF Tracing

On Wed, Nov 4, 2020 at 8:11 PM Nick Desaulniers <ndesaulniers@...gle.com> wrote:
>
> bpftrace parses the kernel headers and uses Clang under the hood. Remove
> the version check when __BPF_TRACING__ is defined (as bpftrace does) so
> that this tool can continue to parse kernel headers, even with older
> clang sources.

Acked-by: Miguel Ojeda <ojeda@...nel.org>

Cheers,
Miguel