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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 924FDC433E0 for ; Thu, 14 Jan 2021 22:06:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59D2923A5E for ; Thu, 14 Jan 2021 22:06:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728726AbhANWGd (ORCPT ); Thu, 14 Jan 2021 17:06:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727001AbhANWGd (ORCPT ); Thu, 14 Jan 2021 17:06:33 -0500 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5560C061575 for ; Thu, 14 Jan 2021 14:05:52 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id b8so3641285plx.0 for ; Thu, 14 Jan 2021 14:05:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wUgYvY8oKdE3vIqZqcGoJhcy0h+YbWsnar8Vy45H+Zw=; b=Rd9jHYrSVUXCUh5LBL4lAM8F8G8OgyipJPKll16dm2Nq6G7LwGn88bawjaXil2i5kE X1pd4CoND9ovjDGpCGRcVDRv7vZftTtRFH4sVqxN5LVwKye4+EaAsQei8baaweCD/vFW wZXWCB1lXDPn0KTDSGnFwUIdecbEauhaZcviOoJ1UcrqWL1/nJlKNc6ThmYejFQl8vm6 EDl2QjvOBqiVr3FBF1t2ZcCNs6RbxWuWLCH4rXMDe6WWC31uRjc+28QaJOUFPHcFq40y /yeVMnbeaU7uWN4k7oYO4zXD1Pn6fFZEUZYuKsR0cYHsxyDOrDt9tue29Z0t0IKx+xoz 5ygg== 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=wUgYvY8oKdE3vIqZqcGoJhcy0h+YbWsnar8Vy45H+Zw=; b=HVXFLdKIvG4AX8txtkylwKAC7YVsiY18LHZqLbgyrdb4LMN8cdZhWJQ2u8BS/EAuRp 76MXFQJTLWh2M8J8HI+gjeDbsi4SGR3pomSq/BWUD2e0Dl7cf+94Fg81pqfLcJ03wk27 rYDkyLAW9V4GNq08VI58L9H8BZV6JibsVP+xNYlH8PlfR7Paq3SLePtfR6JnChTEmUO6 cfOtBn5RgALbpb572OAqQ5Laqqx1L7Fhi21jh9DMsohtQYEyHO3E/1drAvgEFVHVSpgV zS5rCS6hP20JsluUSJd0Dq5tFQd1x++YBb4hCNXeaG0hmtjAenGjlWxhsJhWnEpfLhES tsNQ== X-Gm-Message-State: AOAM530BtuB6Cbo9lTGwBb7ySe8bHZ8ouL2hFmY8dQtJ8DkDMBPdKQWt 8V00GpfEBR7DagKFABC7e+uPoIpLkQQp+Abx6aO+7Q== X-Google-Smtp-Source: ABdhPJybc1mnEOSz/+QA7bXuVM7o3AS0QB7BDUZsKrUmopd9KJuholI4kaLK3H5ZWdzv9+8W5KxM7v83TFqY8YlGLeQ= X-Received: by 2002:a17:902:26a:b029:da:af47:77c7 with SMTP id 97-20020a170902026ab02900daaf4777c7mr9613780plc.10.1610661952331; Thu, 14 Jan 2021 14:05:52 -0800 (PST) MIME-Version: 1.0 References: <20201204011129.2493105-1-ndesaulniers@google.com> <20201204011129.2493105-3-ndesaulniers@google.com> <5707cd3c-03f2-a806-c087-075d4f207bee@fb.com> In-Reply-To: From: Nick Desaulniers Date: Thu, 14 Jan 2021 14:05:41 -0800 Message-ID: Subject: Re: [PATCH v3 0/2] Kbuild: DWARF v5 support To: Sedat Dilek Cc: Yonghong Song , Jiri Olsa , Andrii Nakryiko , Arnaldo Carvalho de Melo , Caroline Tice , Arvind Sankar , Jakub Jelinek , Fangrui Song , Clang-Built-Linux ML , Nick Clifton , bpf , Masahiro Yamada Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, Jan 14, 2021 at 1:52 PM Sedat Dilek wrote: > > Today, I have observed and reported (see [1]) bpf/btf/pahole issues > with Clang v12 (from apt.llvm.org) and DWARF-4 ("four"). > Cannot speak for other compilers and its version. If these are not specific to DWARF5, then it sounds like CONFIG_DEBUG_INFO_DWARF4 should also be marked as `depends on !DEBUG_INFO_BTF`? (or !BTF && CC=clang) > > - Sedat - > > [1] https://lore.kernel.org/bpf/CA+icZUWb3OyaSQAso8LhsRifZnpxAfDtuRwgB786qEJ3GQ+kRw@mail.gmail.com/T/#m6d05cc6c634e9cee89060b2522abc78c3705ea4c -- Thanks, ~Nick Desaulniers