Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20201104191052.390657-1-ndesaulniers@google.com>
In-Reply-To: <20201104191052.390657-1-ndesaulniers@google.com>
From:   Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Date:   Thu, 5 Nov 2020 03:22:46 +0100
Message-ID: <CANiq72m9xX78==qAyu5dKPv-26tPh=ia4xORivvpvwbtoENSqQ@mail.gmail.com>
Subject: Re: [PATCH] compiler-clang: remove version check for BPF Tracing
To:     Nick Desaulniers <ndesaulniers@google.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Chen Yu <yu.chen.surf@gmail.com>,
        Jarkko Sakkinen <jarkko@kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        Andrii Nakryiko <andrii@kernel.org>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@chromium.org>,
        Nathan Chancellor <natechancellor@gmail.com>,
        Kees Cook <keescook@chromium.org>,
        Marco Elver <elver@google.com>,
        Arvind Sankar <nivedita@alum.mit.edu>,
        Randy Dunlap <rdunlap@infradead.org>,
        Sami Tolvanen <samitolvanen@google.com>,
        Ingo Molnar <mingo@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Network Development <netdev@vger.kernel.org>,
        bpf <bpf@vger.kernel.org>,
        clang-built-linux <clang-built-linux@googlegroups.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Wed, Nov 4, 2020 at 8:11 PM Nick Desaulniers <ndesaulniers@google.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@kernel.org>

Cheers,
Miguel