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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 B3645C433DF for ; Fri, 19 Jun 2020 00:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8556620771 for ; Fri, 19 Jun 2020 00:40:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MSZ5/Xcf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729375AbgFSAkr (ORCPT ); Thu, 18 Jun 2020 20:40:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728192AbgFSAkq (ORCPT ); Thu, 18 Jun 2020 20:40:46 -0400 Received: from mail-qk1-x741.google.com (mail-qk1-x741.google.com [IPv6:2607:f8b0:4864:20::741]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B967EC06174E; Thu, 18 Jun 2020 17:40:44 -0700 (PDT) Received: by mail-qk1-x741.google.com with SMTP id f18so7521408qkh.1; Thu, 18 Jun 2020 17:40:44 -0700 (PDT) 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=Z4CyF9VpPvsJa6rNrAKTTU05ZhFvpQhQT1j9KVSHvC0=; b=MSZ5/XcfxaU6QYf4fz/u+QHOEUVIkMvJiCh9TC0OpGJ0OVtyf1zbGSki4zpunVujq8 bY6Txd1KiJAVYJnuO+DBvHhpztrIjBXnTDzJl77t48yhEx4tel/wP+YXACb5aFx7OzPU GFpyEPgVHeYZLLJVtHyYLdmbur6NXwBdVJanSv6mRFYUdtPOr6I6iyFX/vkaL+Y6QXIg 3nb4Iclau+FZoEULqWwYnvs/y+gEjJHlATTY6RquQmQX5Au6S96p9bti6Mye3R9ZsL+9 brN8sLjpo9+Ym+brwlOLMv0kPhytgA8eijMJoU0dR0YDhH4xkd5cJXfHhhkzzruyZbOL FRUw== 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=Z4CyF9VpPvsJa6rNrAKTTU05ZhFvpQhQT1j9KVSHvC0=; b=lBcyKiNeL1rlTwNk3JG5U5Sgku5QrtaXGGADRZ9kOyt2PYbFFOKpzUWUpyZaJzPuwj UVH5CmLQbaEckUZYETeV/q5sBwx5LouBAGit7e1AkBbc6bWMlZEYSeM3l24flBB8Adq3 yYuLVcWjMpCFOtwatb3DxTpWo7/uYAGaGCu//MV4h5rbF8X6uZq4A6GIpetFa/SCdLXf O/A51Pu4f1mdQLunV+MJ2ok6/IZcnIKik8neaAyny101oJXbRymg4KzI79uXYC9bBpqt cVnJrA2Rsuo1J4dqn7hX9LBudAlKHSowWYJ7iazGtI9hi1Xa705svyadziqMwbgLUN2/ LpAg== X-Gm-Message-State: AOAM533MLCmCXKh/ptW6hLHWWEVh3xNP2PF41e+mTV/d/IGJezHmjSEm yqYhNEwPl2BGEwhXRrhh8Vz5W1S2DSkQEchp1qU= X-Google-Smtp-Source: ABdhPJwvFPqIQWPcaHhjBrezimUpYdI6a3nwcLCrzxoM5unVXsKRxJ2Drx1/mArid/PxpO/qojB3qx6yYi0FERf/DTQ= X-Received: by 2002:a05:620a:b84:: with SMTP id k4mr1161804qkh.39.1592527244020; Thu, 18 Jun 2020 17:40:44 -0700 (PDT) MIME-Version: 1.0 References: <20200616100512.2168860-1-jolsa@kernel.org> <20200616100512.2168860-3-jolsa@kernel.org> In-Reply-To: <20200616100512.2168860-3-jolsa@kernel.org> From: Andrii Nakryiko Date: Thu, 18 Jun 2020 17:40:32 -0700 Message-ID: Subject: Re: [PATCH 02/11] bpf: Compile btfid tool at kernel compilation start To: Jiri Olsa , Arnaldo Carvalho de Melo Cc: Alexei Starovoitov , Daniel Borkmann , Networking , bpf , Song Liu , Yonghong Song , Martin KaFai Lau , David Miller , John Fastabend , Wenbo Zhang , KP Singh , Andrii Nakryiko , Brendan Gregg , Florent Revest , Al Viro Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Tue, Jun 16, 2020 at 3:06 AM Jiri Olsa wrote: > > The btfid tool will be used during the vmlinux linking, > so it's necessary it's ready for it. > Seeing troubles John runs into, I wonder if it maybe would be better to add it to pahole instead? It's already a dependency for anything BTF-related in the kernel. It has libelf, libbpf linked and set up. WDYT? I've cc'ed Arnaldo as well for an opinion. > Signed-off-by: Jiri Olsa > --- > Makefile | 22 ++++++++++++++++++---- > tools/Makefile | 3 +++ > tools/bpf/Makefile | 5 ++++- > 3 files changed, 25 insertions(+), 5 deletions(-) > [...]