From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3205BC2D0A3 for ; Thu, 5 Nov 2020 02:22:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B797120782 for ; Thu, 5 Nov 2020 02:22:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lJQGK9Gn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727098AbgKECW6 (ORCPT ); Wed, 4 Nov 2020 21:22:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726777AbgKECW5 (ORCPT ); Wed, 4 Nov 2020 21:22:57 -0500 Received: from mail-yb1-xb43.google.com (mail-yb1-xb43.google.com [IPv6:2607:f8b0:4864:20::b43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1228C0613CF; Wed, 4 Nov 2020 18:22:57 -0800 (PST) Received: by mail-yb1-xb43.google.com with SMTP id c129so656893yba.8; Wed, 04 Nov 2020 18:22:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=g/cUsKBy9aLzWUWC4mZ7IACQUgXjiEVgWxOTM1gmtNM=; b=lJQGK9GnG7+J1uANBdbm8uKpq19z1gyaLw66X3197v/Eh+m5OlnLslNEYbVlu8g8CK ZZCnFYLl5Bg0lLnvaFFI1+OYo7uzQVhzaiqM6sHwmLyZ9/KoO3qTEUZkhQcgB9KRfnN8 eBdIre3o2wwrMhl29bF+4M29TxDUhxpZKGuUz1EFvsuPhwlVpdYE7NaiLIrNBLmW+yRK fjVq88UCPkLDlKQXQfSHgItIJYak4Ljuwd4tMTACe9e6YmQ9YE7US7DwHu4bArcX5+a6 j4txsOjCj/2V7wFzO1I6TLS6nAiHUfJ8LxaIomR58GCxyFdn5cWMEb+SRFCpj8rQMXas 48/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=g/cUsKBy9aLzWUWC4mZ7IACQUgXjiEVgWxOTM1gmtNM=; b=USs2oOA9l7cEf+ri2zh9DSD1gmsqOqfElq/Ejj58i8cXVX0sLHvKrDtVE/MLi3M315 o4N+czi150b9VGEtTPOirkdfTBROSfJY+5fodMwVdHKkwxOvHhY/EMURLnRBcj04vXAf AcLWLKdMLUdXngufmCIXF7h6GobF/Ladpw28q1Svv3wqAzu8KAqe09g+GjvFztuLR07N iVICTM3oTbvQxlofnHY/dhRAuyw3nFmjhRDRh1Qp96vucnc0aVem+eCkqbPGzCWaRo4w cGk+ELS6VfNGiTtPc9WroIqEOjNZHsuypf5wkBD6ntcoeEUdgxuOBoJqJC6Vm8t7xool zlZw== X-Gm-Message-State: AOAM531WjYji2XwWqpgZ68Ks8VrKmeEF/6e3HgIkblf7xktxkrhOqbBX ei+/q99uJri5O/Vf4PSXLbfGCx6YJkLln/myPlY= X-Google-Smtp-Source: ABdhPJzNhaZ8T0cY5P/wh86IVEQo+Ph/kiGxD5Z+mYUIy/qaoPMQYrjpqQBI12hm6aFBmXdv28Ug9NWJ3cexImZ50Do= X-Received: by 2002:a25:bf89:: with SMTP id l9mr709494ybk.22.1604542976980; Wed, 04 Nov 2020 18:22:56 -0800 (PST) MIME-Version: 1.0 References: <20201104191052.390657-1-ndesaulniers@google.com> In-Reply-To: <20201104191052.390657-1-ndesaulniers@google.com> From: Miguel Ojeda Date: Thu, 5 Nov 2020 03:22:46 +0100 Message-ID: Subject: Re: [PATCH] compiler-clang: remove version check for BPF Tracing To: Nick Desaulniers Cc: Andrew Morton , Chen Yu , Jarkko Sakkinen , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , Nathan Chancellor , Kees Cook , Marco Elver , Arvind Sankar , Randy Dunlap , Sami Tolvanen , Ingo Molnar , linux-kernel , Network Development , bpf , clang-built-linux Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, Nov 4, 2020 at 8:11 PM Nick Desaulniers 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 Cheers, Miguel