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=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 23FCFC433E0 for ; Sun, 17 Jan 2021 20:15:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC383224B8 for ; Sun, 17 Jan 2021 20:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730226AbhAQUPK (ORCPT ); Sun, 17 Jan 2021 15:15:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:46198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728732AbhAQUPI (ORCPT ); Sun, 17 Jan 2021 15:15:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0262221D7F; Sun, 17 Jan 2021 20:14:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610914468; bh=/275w1gmJINORnvZPOCvbcQvFYNu59iWeBPKZ1AiDLE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jbo6wEePj/G4UWwJpJc3Yl6I8K14+p9MFY6rNzEg2khiXV2pIH35IA1oyvlPrXMHZ H9KE+O30jdsfGkpXuzp9XVyGBM9WBymy7cURCikQ2VhCObmDHIMnGWnAwFy4r9Ot1i 0siB0NSpehbI+6hEznDoN22w0sEW2aGthCHHp1e8gXbp9z8YaCHV2ptG9mavRadq4M yPdHlKK/8xovZS97HsRLHvyS6VH59ZH0nc6/K/b1VUuWdbD3iy0Iz7ksAZkw3Md/BG LCAy4p/egLE8B9dvauwF1OSwJd58W2kr5AaSPsYRY7TlQ0C5ZfyVF8yGtlpWB6emg9 UbhigWiEllWaA== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id A020540522; Sun, 17 Jan 2021 17:15:00 -0300 (-03) Date: Sun, 17 Jan 2021 17:15:00 -0300 From: Arnaldo Carvalho de Melo To: Yonghong Song Cc: Nick Desaulniers , Sedat Dilek , Masahiro Yamada , Nathan Chancellor , Andrew Morton , LKML , Clang-Built-Linux ML , Linux Kbuild mailing list , linux-arch , Jakub Jelinek , Fangrui Song , Caroline Tice , Nick Clifton , Jiri Olsa , Andrii Nakryiko Subject: Re: [PATCH v5 0/3] Kbuild: DWARF v5 support Message-ID: <20210117201500.GO457607@kernel.org> References: <20210115210616.404156-1-ndesaulniers@google.com> <7354583d-de40-b6b9-6534-a4f4c038230f@fb.com> <12b6c2ca-4cf7-4edd-faf2-72e3cb59c00e@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <12b6c2ca-4cf7-4edd-faf2-72e3cb59c00e@fb.com> X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org Em Fri, Jan 15, 2021 at 03:43:06PM -0800, Yonghong Song escreveu: > > > On 1/15/21 3:34 PM, Nick Desaulniers wrote: > > On Fri, Jan 15, 2021 at 3:24 PM Yonghong Song wrote: > > > > > > > > > > > > On 1/15/21 1:53 PM, Sedat Dilek wrote: > > > > En plus, I encountered breakage with GCC v10.2.1 and LLVM=1 and > > > > CONFIG_DEBUG_INFO_DWARF4. > > > > So might be good to add a "depends on !DEBUG_INFO_BTF" in this combination. > > > > Can you privately send me your configs that repro? Maybe I can isolate > > it to a set of configs? > > > > > > > > I suggested not to add !DEBUG_INFO_BTF to CONFIG_DEBUG_INFO_DWARF4. > > > It is not there before and adding this may suddenly break some users. > > > > > > If certain combination of gcc/llvm does not work for > > > CONFIG_DEBUG_INFO_DWARF4 with pahole, this is a bug bpf community > > > should fix. > > > > Is there a place I should report bugs? > > You can send bug report to Arnaldo Carvalho de Melo , > dwarves@vger.kernel.org and bpf@vger.kernel.org. I'm coming back from vacation, will try to read the messages and see if I can fix this. Thanks, - Arnaldo > > > > > > > > > > > > > I had some other small nits commented in the single patches. > > > > > > > > As requested in your previous patch-series, feel free to add my: > > > > > > > > Tested-by: Sedat Dilek > > > > Yeah, I'll keep it if v6 is just commit message changes. > > -- - Arnaldo